British Lichens

Species Gallery

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Species names have been updated and follow The Lichens of Great Britain and Ireland (2009) or more recent changes.
Number of species illustrated = 788 species in 237 genera (776 lichens and 12 parasites).
New this month:- March:- 2 new species:-

Stereocaulon glareosum. Ray Woods. With pale cephalodia. On the lead-rich tips of the Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales. small LARGE

Gyalidiopsis crenulata. Ray Woods. With Placopsis lambii on heavy metal rich boulder. Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales. small LARGE

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Abrothallus (parasitic fungi)

Abrothallus bertianus. Neil Sanderson. Parasitising Melanelixia glabratula on oak, Busketts Wood, New Forest. small LARGE

Acarospora

Acarospora cervina. M Sutcliffe. On limestone field wall. Westgate, Weardale, Co Durham, England. small LARGE

Acarospora cervina. Ishpi Blatchley. On calcareous sandstone headstone. Farnborough Churchyard, Warwickshire. small LARGE

Acarospora fuscata. M Sutcliffe. On sandstone, Pithouse crags, kielder forest, Northumberland, England. small LARGE

Acarospora fuscata. F G Jones. Nant Ffrancon, Wales. small LARGE small LARGE

Acarospora moenium. M Sutcliffe. On asbestos roof. Horton Woods, Northamptonshire. small LARGE small LARGE

Acarospora nitrophila. Mark Powell. On sandstone paving slabs. Wimpole Hall Estate (NT), Cambridgeshire. small LARGE small LARGE Paraphyses Habitat

Acarospora sinopica. M Sutcliffe. On iron-rich boulder in car park, Braemar, Scotland. small LARGE

Acarospora sinopica. B J Coppins. On vertical rock face in copper mine. Tomnadashan Mine SSSI, Scotland. small LARGE

Acarospora sinopica. F G Jones. Disused copper mine. N Wales. small LARGE

Acarospora smaragdula is now Myriospora smaragdula.

Acrocordia

Acrocordia conoidea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE

Acrocordia gemmata. Mike Simms. On Ash. Charleville estate, Tullamore, Co. Offaly, Ireland. small LARGE

Acrocordia gemmata. M Sutcliffe. On ash. Near Ballygrant, Islay, Scotland. small LARGE Ascus & spores

Actidium

Actidium hysterioides (not lichenized). Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus. small LARGE

Agonimia

Agonimia globulifera. M Sutcliffe. On moss on limestone. Llanymynech Rocks, Shropshire. small LARGE
Perithecium squash showing sterile lattice structure inside.

Agonimia tristicula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Agonimia tristicula. M Sutcliffe. On Collema on limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Agonimia tristicula (fertile). M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small LARGE small LARGE

Agyrium

Agyrium rufum (non-lichenized). Mike Sutcliffe. On bare wood. Craighouse, Jura, Scotland. small LARGE

Alectoria

Alectoria nigricans. Dave Genney. Cuilags, Scotland. small LARGE

Alectoria sarmentosa ssp. sarmentosa. Dave Genney. Creag nan clag, invernesshire, Scotland. small LARGE

small LARGE

Alectoria sarmentosa ssp. vexillifera. Dave Genney. On Arctostaphylos alpinus. Meallan nan Uan, Strathconnon, Scotland. small LARGE

Allantoparmelia

Allantoparmelia alpicola. M Sutcliffe. On quartzite. Liathach, Torridon, Scotland. small LARGE Small LARGE Small LARGE Habitat

Allantoparmelia alpicola. M Sutcliffe. On sandstone. Dead Stones, Co Durham, England. small LARGE

Amandinea

Amandinea lecideina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small LARGE

Amandinea punctata. M Sutcliffe. On trunk of plane tree. Gateshead, England. small LARGE

Ameliella

Ameliella andreaeicola. Ralph Common. Collected by Les Street. Cairngorms, Scotland. small LARGE

Anaptychia

Anaptychia ciliaris ssp ciliaris. Steve Price. On limestone wall. Perry Dale, Derbyshire. small LARGE

Anaptychia ciliaris ssp mamillata. M Sutcliffe. On Coastal whin sill. Lindisfarne, Northumberland. small LARGE

Anaptychia ciliaris ssp mamillata. S Davey. North Berwick, East Lothian, Scotland. small LARGE

Anaptychia runcinata. M Sutcliffe. On Dalradian schist, Imachar point, Isle of Arran, Scotland. small LARGE

Anaptychia runcinata. M Sutcliffe. On coastal shale. The Capstan, Ilfracombe, Devon, England. small LARGE

Anisomeridium

Anisomeridium biforme. M Sutcliffe. On ash. Ilfracombe, Devon, England. small LARGE spores

Anisomeridium polipori. M Sutcliffe. On bryophytes. Yew crags, Northumberland. small LARGE Habitat

Anisomeridium ranunculosporum. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Anisomeridium ranunculosporum. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire. small LARGE

Arctoparmelia

Arctoparmelia incurva. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England. small LARGE Habitat

Arthonia

Arthonia anombrophila. Neil Sanderson. On an old oak in pasture woodland, Inishcreagh, Lower Lough Erne, Fermanagh, Northern Ireland. small LARGE

Arthonia arthonioides. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small LARGE

Arthonia astroidestera. Neil Sanderson. On old holly. Matley Wood, New Forest. small LARGE small

Arthonia cinnabarina. M Sutcliffe. On hazel. Raasay, Scotland. small LARGE

Arthonia elegans. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland. small LARGE

Arthonia excipienda. Neil Sanderson. From young hazel stem. Hazel - ash pasture woodland, Coille Thogabhaig, Skye (scale in mm). small LARGE

Arthonia fuscopurpurea. M Sutcliffe. On Peltigera hymenina. Taynish, Argyll and Bute, Scotland. small LARGE small LARGE

Arthonia ilicina. M Sutcliffe. Raasay, Scotland. small LARGE

Arthonia ilicina. Neil Sanderson. On old holly. Matley Wood, New Forest. small LARGE (bottom)

Arthonia leucopellaea. M Sutcliffe. On oak. Talladale, Wester Ross, Scotland. small LARGE

Arthonia pruinata. M J Simms. On parkland oak, Tynan, Co. Armagh, Northern Ireland. small LARGE

Arthonia pruinata. M Sutcliffe. On oak trunk. Nettlecombe Park, Somerset. small LARGE small LARGE

Arthonia radiata. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE Small LARGE

Arthonia spadicea. S Davey. Durfold Gill, West Sussex, England. small LARGE

Arthonia stellaris. Neil Sanderson. On rowan in oceanic ravine. Ceunant Llennyrch, Meirionnydd. small

Arthonia vinosa. M Sutcliffe. On oak. Great wood, Eggleston, Durham, England. small LARGE

Arthonia vinosa. S Davey. small LARGE

Arthonia zwackhii Neil Sanderson. Growing on Phlyctis argena. On ancient beech, New Forest. small LARGE

Arthonia zwackhii. Neil Sanderson. Growing on Phlyctis argena, rain track on Beech, Wood Crates, New Forest, England. small LARGE

Arthopyrenia

Arthopyrenia analepta. M Sutcliffe. On ash. Torridon Wood, Wester Ross, Scotland. With Trentepohlia algae growing on top. small LARGE Spore

Arthopyrenia analepta. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire. small LARGE

Arthopyrenia cinereopruinosa (non-lichenized). M Sutcliffe. On hazel. Raasay, Scotland. small LARGE

Arthopyrenia nitescens. M Sutcliffe. On hazel. Raasay, Scotland. small LARGE

Arthopyrenia platypyrenia(non-lichenized). Steve Price. On ivy stem. Isle of Luing, Argyll, Scotland. small LARGE

Arthopyrenia salicis. Mark Powell. From old wattle rod, c1700. Riseley, Bedfordshire. small LARGE

Arthothelium

Arthothelium ruanum. Neil Sanderson. On old holly. Matley Wood, New Forest. small LARGE (dark thallus)

Arthrorhaphis (parasitic fungi)

Arthrorhaphis aeruginosa S Davey. Near Blencathra, Cumbria, England. small LARGE

Aspicilia

Aspicilia caesiocinerea M Sutcliffe. On horizontal surface of schist sea stack. Imachar point, Isle of Arran, Scotland. small LARGE

Aspicilia calcarea. M Sutcliffe. On limestone boulder. Birk Rigg Farm, Forest in Teesdale, Durham, England. small LARGE

Aspicilia contorta M Sutcliffe. On limestone. Disused quarry, Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE Small LARGE

Aspicilia contorta subsp. hoffmanniana. Mike Simms. On Ash. Charleville estate, Tullamore, Co. Offaly, Ireland. small LARGE

Aspicilia grisea. M Sutcliffe. On old tyre. Isle of Hoy, Scotland. small LARGE

Aspicilia grisea. M Sutcliffe. On standing stone. Finlaggan, Islay, Scotland. small LARGE small LARGE Habitat

Aspicilia leprosescens. S Davey. North Berwick, East Lothian, Scotland. small

Aspicilia moenium is now placed in Acarospora.

Aspicilia radiosa. S Davey. Toller Porcorum Churchyard, Dorset, England. small

Bacidia

Bacidia arnoldiana. S Davey. Downton Gorge, Shropshire, England. small LARGE

Bacidia assulata. Andy Cross. Wound track on ancient Beech, The Knowles, New Forest. small LARGE

Bacidia bagliettoana. M Sutcliffe. On plant detritus. Tideslow Rake, Derbyshire. small LARGE

Bacidia delicata. Simon Davey. South Crofty Mine, Cambourne, Cornwall. small LARGE

Bacidia egenula. Mark Powell. On ironstone fragments in drain. Thorpe Malsor churchyard, Kettering, Northamptonshire. small LARGE Section in K Section in water

Bacidia incompta. Simon Davey. On ancient ash. Hatfield Park, Hertfordshire. small LARGE

Bacidia incompta. Dave Genney. Inverfarigaig, Invernesshire. small LARGE

Bacidia inundata. M J Simms. On sandstone in Owngar River, Co. Cork, Ireland. small LARGE

Bacidia laurocerasi. Simon Davey. (with scale insects) Brackett's Copse, Dorset. small LARGE

Bacidia saxenii. Mark Powell. On softwood peg. Rushmere Estate, Buckinghamshire. small small (with algae) Section in K Section in water

Bacidia scopulicola. Simon Davey. St Brelade's Churchyard, Jersey. small LARGE

Bacidia squamellosa M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Bacidia squamellosa. Simon Davey. Herbarium specimen. small LARGE

Bacidia sulphurella. Mark Powell. small LARGE Conidia

Bacidia viridifarinosa. Simon Davey. Parham Park, West Sussex. small LARGE

Bactrospora

Bactrospora homalotropa. M Sutcliffe. On hazel. Manish Beg, Raasay, Scotland. small LARGE spores

Bactrospora homalotropa. M Sutcliffe. On rowan. Brae, Raasay, Scotland. small LARGE

Baeomyces

Baeomyces placophyllus. M Sutcliffe. On vertical, mossy, riverside rock. Glen Quoich, Braemar, Scotland. small LARGE

Baeomyces rufus. M Sutcliffe. On gravel. Stonecroft Mine SSSI, Northumberland. small LARGE

Bagliettoa

Bagliettoa calciseda. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Belonia

Belonia nidarosiensis. M Sutcliffe. On shaded limestone wall. Near Lathkill Dale, Bakewell, Derbyshire, England. small LARGE Habitat 1 Habitat 2

Biatora

Biatora chrysantha M Sutcliffe. On oak. Great wood, Eggleston, Durham, England. small LARGE

Biatora vernalis Andy Cross. On old Ash, Creaganour Woods, Loch Rannoch, Perthshire. small LARGE

Biatora veteranorum. M Sutcliffe. On ancient oak lignum. Old deer park, Chatsworth, Derbyshire. small LARGE

Biatorella

Biatorella fossarum. Neil Sanderson. On compacted soil in old limestone quarries. Portland Bill, England. small LARGE

Biatoropsis (parasitic fungi)

Biatoropsis usnearum. M Sutcliffe. Parasitizing Usnea subfloridana. Raasay, Scotland. small LARGE

Bilimbia

Bilimbia lobulata . M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small LARGE

Bilimbia sabuletorum. M Sutcliffe. On moss at base of tombstone. Burial ground, Whitefarland point, Isle of Arran, Scotland. small LARGE

Blarneya has been renamed as Tylophoron.

Botryolepraria

Botryolepraria lesdainii. M Sutcliffe. On limestone. Lathkill Dale, Derbyshire. small LARGE

Bryoria

Bryoria capillaris. Neil Sanderson. On pine. Cadha Beag, Rothiemurchus. small LARGE

Bryoria chalybeiformis. M Sutcliffe. From mossy turf. Summit of Ben Rinnes, Aberdeenshire. small LARGE

Bryoria fuscescens. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England. small LARGE

Buellia

Buellia aethalea. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England. small LARGE

Buellia aethalea. M Sutcliffe. On granite boulder. Pirnmill, Isle of Arran, Scotland. small LARGE

Buellia disciformis. M Sutcliffe. On birch (Betula). Torridon wood, Wester Ross, Scotland. small LARGE Small LARGE Spores

Buellia griseovirens. M J Simms. On ash. Hillsborough Park, Co. Down, N Ireland. small LARGE

Buellia hyperbolica. Neil Sanderson. On acidic old oak, in pasture woodland, Ashurst Wood, New Forest. small LARGE

Buellia stellulata M Sutcliffe. On coastal basalt. Isle of Hoy, Scotland. small LARGE

Buellia violaceofusca. M Sutcliffe. On oak bark crevice. Great Wood, Durham, England. small LARGE

Buellia violaceofusca. D Genney. On oak. Cawdor Wood, Scotland. small LARGE

Bunodophoron

Bunodophoron melanocarpum. M Sutcliffe. On sandstone. Whitchester Crag, Bellingham, Northumberland. small LARGE

Bunodophoron melanocarpum. Neil Sanderson. Fallen birch. Derrybawn, Glendalough, Co Wicklow. small LARGE

Byssoloma

Byssoloma leucoblepharum. Andy Cross. On base-rich old oak. Bignell Wood, New Forest. small LARGE

Byssoloma subdiscordans. Neil Sanderson. On sallow in moorland scrub. Big Dog hill, Fermanagh, N Ireland. small LARGE

Calicium

Calicium corynellum. M Sutcliffe. On dry underhang of sandstone headstone. Whitfield Churchyard. Northumberland. small LARGE small LARGE Habitat

Calicium glaucellum. M Sutcliffe. On decorticated pine. Glen Quoich, Scotland. small LARGE

Calicium glaucellum. M Sutcliffe. On pine post. Near Strathdon, Aberdeenshire, Scotland. small

Calicium hyperelloides. Neil Sanderson. In crevice on old Oak, Parkland, Castle Archdale, Fermanagh. small LARGE

Calicium salicinum. Neil Sanderson. Lignum on standing dead beech, New Forest. small LARGE

Calicium viride. M Sutcliffe. On oak. Derwent Gorge NNR, Durham. small LARGE

Caloplaca

Caloplaca arnoldii subsp. obliterata. M Sutcliffe. On siliceous, coastal rock. East Lothian, Scotland. small LARGE

Caloplaca aurantia. D McCutcheon. On limestone. Gower, Wales. small LARGE

Caloplaca aurantia. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland. small LARGE small LARGE

Caloplaca aurantia (R) and C. flavescens (L) compared. M J Simms. On coastal limestone. Loughshinny, Co. Dublin, Ireland. small LARGE

Caloplaca cerina. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small LARGE

Caloplaca cerinella. John Norton. On white poplar. Gosport, Hampshire. small LARGE

Caloplaca chalybaea. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Caloplaca chlorina. M J Simms. On concrete wall. South Woodburn reservoir, Carrickfergus, Co. Antrim. Northern Ireland. small

Caloplaca chlorina. M Sutcliffe. On coastal sandstone boulder. Isle of Hoy, Scotland. small LARGE

Caloplaca chlorina. M Sutcliffe. On mortared wall. National Botanic Garden of Wales, Carmarthenshire. small LARGE

Caloplaca chrysodeta. M Sutcliffe. On limestone in sheltered underhang. Lathkill Dale, Derbyshire. small LARGE

Caloplaca cirrochroa. M Sutcliffe. On limestone. Lismore Island, Scotland. small LARGE

Caloplaca citrina. M Sutcliffe. On wall. The rose garden, Saltwell Park, Gateshead, England. small LARGE Habitat

Caloplaca crenularia. M Sutcliffe. On silicious tomb stone. burial ground, Imachir point, Isle of Arran, Scotland. small LARGE

Caloplaca decipiens. M J Simms. On asbestos roofing, Bishops Cleeve, Gloucestershire. (with C. saxicola, C. holocarpa and Xanthoria parietina) small LARGE

Caloplaca decipiens. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Caloplaca dichroa. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Caloplaca ferruginea. M J Simms. On hawthorn. Milltown, Co. Galway, Ireland. small LARGE

Caloplaca ferruginea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland. small LARGE

Caloplaca flavescens. M Sutcliffe. On horizontal limestone. Slit wood, County Durham. small LARGE Small LARGE

Caloplaca flavescens. M Sutcliffe. On oolitic limestone of church. Leicestershire. small LARGE

Caloplaca flavescens. Jeff Blincow. On gravestone, Castle Ashby, Northampton, England. small LARGE

Caloplaca flavocitrina. M Sutcliffe. On concrete paving slab. Cemetery, Darlington, England. small LARGE

Caloplaca flavocitrina. M Sutcliffe. On boundary wall. Bradgate Park, Leicestershire, England. small LARGE

Caloplaca flavocitrina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small LARGE small LARGE

Caloplaca haematites. Neil Sanderson. On twig of white poplar on edge of water meadow. Goodworth Clatford, Hampshire. small LARGE small LARGE

Caloplaca holocarpa s.lat. M Sutcliffe. On broadleaved tree. Allensford, Durham, England. small LARGE

Caloplaca lactea. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small LARGE

Caloplaca lactea. Ishpi Blatchley. On top of limestone chest tomb. Wye churchyard, Kent. small LARGE

Caloplaca littorea. M Sutcliffe. On basalt sea cliff, xeric supralittoral zone. Drumadoon point, Arran, Scotland. small LARGE

Caloplaca luteoalba. John Douglass. On sycamore. Kilham, Northumberland. small LARGE small LARGE

Caloplaca luteoalba. M Sutcliffe. On elm. Golspie, Scotland. small LARGE

Caloplaca marina. M Sutcliffe. On serpentine sea cliff, above High Water Mark. Kynance Cove, The Lizard, Cornwall, England. small LARGE

Caloplaca oasis. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Caloplaca obscurella Fertile. Mark Powell. On elder lignum, Riseley, Bedfordshire. small LARGE Spores

Caloplaca obscurella Sterile. Mark Powell. On willow bark. Sutton Park, Warkwickshire. small LARGE

Caloplaca ochracea. M J Simms. On well-lit hard limestone, Kilcorney, the Burren, Co. Clare, Ireland. small LARGE

Caloplaca ochracea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE

Caloplaca phlogena. Mark Powell. On Elder bark, Fyfield Down near Marlborough. small LARGE

Caloplaca pyracea. Neil Sanderson. On twig of white poplar on edge of water meadow. Goodworth Clatford, Hampshire. small LARGE

Caloplaca ruderum. M Sutcliffe. On calcareous church wall, Norfolk, England. small LARGE

Caloplaca saxicola. D McCutcheon. On asbestos roof sheet. Morpeth, Northumberland, England. small LARGE

Caloplaca suaedae. Steve Price. On shrubby seablight. Overy Staithe, Norfolk. small LARGE

Caloplaca teicholyta. M Sutcliffe. On limestone gravestone. St Martin's, Epsom, Surrey. small LARGE Habitat

Caloplaca thallincola. D McCutcheon. On coastal limestone boulder. Gower, Wales. small LARGE

Caloplaca thallincola. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon. small LARGE

Caloplaca thallincola. M Sutcliffe. On Verrucaria maura on tidal rocks. Am Scriodan, Isle of Arran, Scotland. small LARGE

Caloplaca thallincola. Jeff Blincow. On sea wall, Barmouth, Gwynedd, Wales. small LARGE

Caloplaca ulcerosa. John Douglass. Near Carham, Northumberland. small LARGE

Caloplaca variabilis. M J Simms. on asbestos roofing (with Aspicilia contorta contorta), Bishops Cleeve, Gloucestershire. small LARGE

Caloplaca verruculifera. D McCutcheon. On vertical coastal rocks. Gurnards Head, Cornwall, England. small LARGE

Caloplaca verruculifera. M Sutcliffe. On whin sill near seabird colony. Farne Islands, Northumberland, England. small LARGE small LARGE Habitat

Caloplaca xantholyta. M J Simms. On shaded limestone, Kilcorney, the Burren, Co. Clare, Ireland. small LARGE

Caloplaca xantholyta. M Sutcliffe. On limestone in sheltered underhang. Lathkill Dale, Derbyshire. small LARGE small LARGE

Calvitimela

Calvitimela armeniaca. Neil Sanderson. On granite boulder at 1205m. Sgor an Locain Uaine, Mar Lodge Estate, Cairngorms. small LARGE

Candelaria

Candelaria concolor. M J Simms. On wayside tree, Tyrellspass, Co. Westmeath, Ireland. small LARGE

Candelaria concolor. Neil Sanderson. On beech branch, north of Allum Green, New Forest. small LARGE

Candelariella

Candelariella coralliza. M Sutcliffe. On standing stone. Finlaggan, Islay, Scotland. small LARGE Habitat

Candelariella medians. M J Simms. On marble headstone, Templetown, Co. Louth, Ireland. small LARGE

Candelariella medians. M Sutcliffe. On limestone headstone. St Martin's, Epsom, Surrey. small LARGE Habitat

Candelariella medians. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Candelariella reflexa. Mark Powell. On dead hawthorn. Riseley, Bedfordshire. small LARGE

Candelariella reflexa. M Sutcliffe. On gorse stem. Trerhiwarth, Llangynog, Montgomeryshire. small LARGE

Candelariella vitellina. M Sutcliffe. Sandstone wall. Stocksfield, Northumberland, England. small LARGE

Candelariella vitellina. M Sutcliffe. On sandstone wall. Coanwood, Northumberland. small LARGE habitat

Candelariella vitellina. M J Simms. On wooden bridge. Muckno Lake, Castleblayney, Co. Monaghan, Ireland. small LARGE

Carbonea

Carbonea assimilis. B J Coppins. South facing basalt outcrop. Traprain Law, East Lothian, Scotland. small LARGE

Carbonea vitellinaria. M Sutcliffe. Parasitic on Candelariella vitellina. Bradgate Park, Leicestershire, England. small LARGE

Catapyrenium

Catapyrenium cinereum. M Sutcliffe. On coastal earth bank. Hawick, Isle of Hoy, Scotland. small LARGE

Catapyrenium psoromoides. Bryan Edwards. On limestone. Chudleigh Rocks, Devon. small LARGE Habitat

Catapyrenium psoromoides. Bryan Edwards. On ash. Dewlish Park, Dorset. small small Habitat

Catapyrenium squamulosum has now been placed in Placidium.

Catillaria Catillaria alba is now Biatora veteranorum.

Catillaria chalybeia. M Sutcliffe. On siliceous tombstone. Darlington, England. small LARGE

Catillaria lenticularis. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire. small LARGE

Catolechia

Catolechia wahlenbergii. Alan Fryday. Aonach Mor, Scotland. small LARGE

Cavernularia

Cavernularia hultenii. Neil Sanderson. On ancient Salix Caprea ssp sphacelata. Creag Meagaidh. Scotland. small LARGE

Cavernularia hultenii. M Sutcliffe. On birch. Raasay, Scotland. small LARGE small LARGE Habitat

Cetraria

Comparison of C. aculeata and C. muricata. C. aculeata on the left. small LARGE

Cetraria aculeata. M Sutcliffe. On peat at base of rotting pine stump. Mar Lodge Estate. Braemar, Scotland. small LARGE

Cetraria islandica. M Sutcliffe. Upland calcareous grassland. Teesdale, England. small LARGE

Cetraria muricata. M Sutcliffe. From summit rocks. Beinn Alligin, Torridon, Scotland. small LARGE

Cetraria sepincola. D Genney. Scotland. small LARGE

Cetraria sepincola. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus. small LARGE (at left)

Cetrelia

Cetrelia olivetorum. M Sutcliffe. On mossy oak trunk. Lochaline, Morvern, Scotland. small LARGE

Cetrelia olivetorum (cetrarioides chemotype). Jenny Seawright. On Alder. Glengarrif woods, County Cork, Eire. small LARGE small LARGE

Chaenotheca

Chaenotheca brunneola. M Sutcliffe. On decorticated pine. Glen Quoich, Scotland. small LARGE

Chaenotheca brunneola. M Sutcliffe. On decorticated pine trunk. Loch Maree, Wester Ross. small LARGE

Chaenotheca chrysocephala. M Sutcliffe. In oak bark crevice. Great Wood, Co. Durham, England. small LARGE

Chaenotheca ferruginea. M Sutcliffe. On trunk of mature oak. Lambley, Haltwhistle, Northumberland, England. small LARGE

Chaenotheca ferruginea. Infertile area showing conspicuous yellow-orange patches (K+ red). small LARGE

Chaenotheca furfuracea. M Sutcliffe. On plant debris in sheltered underhang. Near Strathdon, Aberdeenshire. small LARGE small LARGE

Chaenotheca gracilenta. Dave Genney. Inverfarigaig, Invernesshire. small LARGE LARGE

Chaenotheca hispidula. B J Coppins. On old sycamore. Seton Collegiate Church, East Lothian. small

Chaenotheca stemonea. M Sutcliffe. In oak bark crevice. Old deer park, Chatsworth, Derbyshire. small LARGE

Chaenotheca trichialis. M Sutcliffe. In oak bark crevice. Great Wood, Co. Durham, England. small LARGE

Chaenotheca trichialis. Alan Hale. Great Wood, Gregynog, Montgomeryshire, Wales. small LARGE

Chrysothrix

Chrysothrix candelaris. M Sutcliffe. Dry Overhanging oak branch. Glen Tilt, Blair Atholl, Scotland. small LARGE

Chrysothrix chlorina. M Sutcliffe. Overhanging riverside cliff. Braemar, Scotland. small LARGE

Chrysothrix flavovirens. M Sutcliffe. On decorticate oak. National Botanic Garden of Wales, Carmarthen. small LARGE small LARGE Habitat

Cladonia

Cladonia arbuscula. Neil Sanderson. On heath. Copythorn Common, Hampshire. small LARGE small LARGE

Cladonia bellidiflora. Jim Deacon. small

Cladonia botrytes. M Sutcliffe. On pine stump. Kindrogan field Centre, Scotland. small LARGE

Cladonia caespiticia. M Sutcliffe. Islay, Scotland. small LARGE

Cladonia caespiticia. Dave Genney. Scotland. small LARGE

Cladonia callosa. Neil Sanderson. On sandy humus. On side of old hollow way, White Moor, New Forest. small LARGE Habitat

Cladonia cariosa. Neil Sanderson. On sand bank in parched acid grassland, Stanway Pit, Colchester, Essex. small LARGE Small LARGE

Cladonia ciliata var. ciliata. Neil Sanderson. In sand sedge � Cladonia community colonising formerly eroded sand. Frensham Great Pond, Surrey. small LARGE

Cladonia ciliata var. ciliata. Neil Sanderson. Showing podetia arising from ephemeral primary thallus. On open heath. Acres Down, New Forest. small LARGE

Cladonia ciliata var. ciliata. Neil Sanderson. On open heath. Acres Down, New Forest. small LARGE

Cladonia ciliata var. tenuis. M J Simms. In acid grassland. Templemoyle Church, Co. Monaghan, Ireland. small LARGE

Cladonia coccifera. Bill Burns. On dry-stane dyke. Muir of Dinnet NNR, Aberdeenshire. small LARGE

Cladonia cornuta. Neil Sanderson. North facing dune. Winterton on Sea, Norfolk. small LARGE

Cladonia deformis. M Sutcliffe. On fallen dead pine, Glen Quoich, Braemar, Scotland. small LARGE

Cladonia digitata. M Sutcliffe. On bark of veteran oak. Chatsworth Estate, Derbyshire. small LARGE

Cladonia fimbriata. M Sutcliffe. On moorland, High Rigg, Keswick, Cumbria. small LARGE

Cladonia foliacea. M Sutcliffe. Short coastal grassland. East Lothian, Scotland. small LARGE

Cladonia furcata. M Sutcliffe. On moorland, High Rigg, Keswick, Cumbria. small LARGE

Cladonia glauca. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small LARGE small LARGE habitat

Cladonia gracilis. Neil Sanderson. Parched acid grassland on shingle. Dungeness, Kent, England. small LARGE

Cladonia gracilis. M Sutcliffe. Acid soil. Whitchester crag. Bellingham, Northumberland, England. small LARGE

Cladonia humilis. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small LARGE small LARGE

Cladonia macilenta. M Sutcliffe. On hazel. Ardnahoe Loch, near Port Askaig, Islay. small LARGE

Cladonia macilenta. Neil Sanderson. On bank in hollow way in heathland. White Moor, New Forest. small LARGE

Cladonia maxima. Neil Sanderson. In late snow patch amongst Deschampsia flexuosa at 1225m. Wells of Dee, Mar Lodge Estate, Cairngorms. small LARGE small LARGE

Cladonia mediterranea. N Sanderson. In short, grazed heath. Ogdens, New Forest. small LARGE small LARGE

Cladonia parasitica. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Cladonia parasitica. M Sutcliffe. On dead oak trunk. Old deer park, Chatsworth, Derbyshire. small LARGE

Cladonia parasitica. M Sutcliffe. On decaying oak trunk. Dinefwr deer park, Carmarthenshire. small LARGE Habitat

Cladonia phyllophora. N Sanderson. On abandoned path in heath, Ogdens, New Forest. small LARGE small LARGE small

Cladonia phyllophora. N Sanderson. In open heath. Whitemoor, Lyndhurst, New Forest. small LARGE

Cladonia pleurota. Neil Sanderson. On lignum on fallen pine. Cadha Beag, Rothiemurchus. small LARGE

Cladonia pocillum. M Sutcliffe. On moss on limestone. Lathkill Dale, Derbyshire. small LARGE

Cladonia polydactyla. M Sutcliffe. Decayed wood/peat. Kielder Forest, Northumberland. small LARGE

Cladonia polydactyla. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small LARGE small LARGE habitat

Cladonia portentosa. M Sutcliffe. On peat. Kielder Forest, Northumberland. small LARGE

Cladonia ramulosa. M Sutcliffe. Amoung mosses on limestone wall. Malham moss tarn, West Yorkshire. small LARGE

Cladonia ramulosa. M Sutcliffe. Sandstone. Kielder Forest, Northumberland. small LARGE

Cladonia ramulosa. Neil Sanderson. On sandy humus. On side of old hollow way, White Moor, New Forest. small LARGE small LARGE

Cladonia rangiformis. M Sutcliffe. On coastal turf. Near Isle of Whithorn, Dumfries and Galloway, Scotland. small LARGE Habitat

Cladonia scabriuscula. M J Simms. On granite wall, Legananny, Co. Down, N Ireland. small LARGE

Cladonia squamosa. M Sutcliffe. On thin, rocky soil under pine. Glen Quoich, Braemar, Scotland. small LARGE

Cladonia squamosa. M Sutcliffe. On base of alder trunk. Inverawe Country Park, Taynuilt, Scotland. small LARGE

Cladonia strepsilis. M Sutcliffe. On open, wet heath. Loch Maree, Wester Ross. small LARGE Small LARGE

Cladonia subcervicornis. D Genney small LARGE

Cladonia subcervicornis. M Sutcliffe. On humus. Dun Caan, Raasay, Scotland. small LARGE

Cladonia subcervicornis. Neil Sanderson. In open short heath. White Moor, New Forest. Fertile small LARGE. Wet small LARGE

Cladonia subcervicornis. Neil Sanderson. In open short heath in WWII gravel pit. Yew Tree Heath, New Forest. small LARGE.

Cladonia subulata. Neil Sanderson. In heathland. Holmsley Ridge, New Forest. small LARGE

Cladonia sulphurina. M Sutcliffe small LARGE

Cladonia symphycarpia. Neil Sanderson. 19th century chalk spoil heaps. Micheldever Chalkies, Hampshire, England. small LARGE

Cladonia trassii. Neil Sanderson. In boulder field, in late snow patch, 1070m. Garbh Choire Mor, Mar Lodge Estate, Cairngorms. small LARGE Habitat

Cladonia uncialis subsp biuncialis. M Sutcliffe. Peat. Whitchester Moor, Northumberland. small LARGE

Cladonia uncialis subsp uncialis. D Genney small LARGE

Cladonia uncialis subsp uncialis. M Sutcliffe. Heathland. Kielder Forest, Northumberland. small LARGE

Cladonia zopfii. Neil Sanderson. Short grazed heath. Ogdens, New Forest. small LARGE

Clauzadea

Clauzadea immersa (with Leptogium diffractum). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small LARGE

Clauzadea immersa. M Sutcliffe. On limestone. Long Dale, Derbyshire. small LARGE

Clauzadea monticola. M Sutcliffe small LARGE

Clauzadea monticola. M Sutcliffe. On granite wall. Beinn Eighe campsite, Wester Ross, Scotland. small LARGE small LARGE

Clauzadeana

Clauzadeana macula. N Hodgetts small LARGE

Cliostomum

Cliostomum flavidulum. Neil Sanderson. On oak. Cliostomum flavidulum (paler left) and Pyrrhospora quernea (darker with black prothallus right). Old Lodge Warren, East Sussex. small LARGE Pd+ red small LARGE

Cliostomum griffithii. M Sutcliffe. On mature sycamore. Morpeth, Northumberland. small LARGE

Cliostomum griffithii. M Sutcliffe. On mature oak. Great Wood, Co. Durham, England. small LARGE

Collema
Comparison with Leptogium

Collema auriforme. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE Small LARGE

Collema auriforme. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire. small LARGE

Collema auriforme. M Sutcliffe. Raasay, Scotland. small LARGE

Collema crispum. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE Small LARGE Small LARGE

Collema cristatum. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE Small LARGE

Collema cristatum var. marginale. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small LARGE

Collema fasciculare. M Sutcliffe. On oak by river. Talladale, Wester Ross, Scotland. small LARGE

Collema flaccidum. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland small LARGE

Collema flaccidum. M Sutcliffe. On schist. Meall nan Tarmachan, Scotland. small LARGE

Collema flaccidum parasitised by Myxophora leptogiifera. M Sutcliffe. On sycamore, Raasay, Scotland. small LARGE

Collema fragile. M Sutcliffe. On limestone boulders at base of cliff. Lismore Island. Scotland. small LARGE

Collema fragile. M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small LARGE

Collema fragrans (with the moss Zygodon forsteri). Neil Sanderson. New forest, England. small LARGE

Collema furfuraceum. M Sutcliffe. On sycamore. Gairloch, Wester Ross, Scotland. small LARGE

Collema furfuraceum. Dave Genney. Scotland. small LARGE

Collema fuscovirens. M Sutcliffe. On limestone. Llanymynech Hill, Pant, Wales. small LARGE small LARGE small LARGE Habitat

Collema fuscovirens (wet). M Sutcliffe. On top of limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Collema multipartitum. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland. small LARGE small LARGE

Collema subflaccidum. Ray Woods. On outcrop. SW Henllyn Mawr, Llandeilo Graban, Radnorshire, Wales. small LARGE Habitat

Collema subnigrescens. M Sutcliffe. On stream-side serpentine outcrop. Kynance cove, Cornwall, England. small LARGE Small LARGE

Collema tenax. M Sutcliffe. On shaded wall. Glasserton churchyard near Whithorn, Dumfries and Galloway, Scotland. small LARGE small LARGE

Collemopsidium

Collemopsidium foveolatum. M Sutcliffe. On barnacle shell. Jura, Scotland. small LARGE

Collemopsidium sublitorale. M Sutcliffe. On limpet shell. Islay, Scotland. small LARGE Habitat

Cornicularia

Cornicularia normoerica. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland. small LARGE small LARGE Habitat

Cornicularia normoerica. Dave Genney. Near Dalnacreich, Scotland. small LARGE

Cresponea

Cresponea premnea. Theresa Greenaway. On oak. Petworth park, West Sussex. small LARGE

Cresponea premnea. Neil Sanderson. On old oak, James Hill, New Forest. Shows pynidia where two thalli meet. small LARGE

Cresponea premnea. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire. small LARGE Section and spores

Cyphelium

Cyphelium inquinans. M Sutcliffe. On pine. Glen Quoich, Braemar, Scotland. small LARGE

Cyphelium tigillare. M Sutcliffe. On low, decorticated pine branch. Glen Quoich, Braemar, Scotland. small LARGE small LARGE Habitat

Cystocoleus

Cystocoleus ebeneus. M Sutcliffe. Vertical granite outcrop. Inverawe Country Park, Taynuilt, Scotland. small LARGE micropic (showing thin, dark, wiggly fungal hyphae growing on thick Trentepohlia algae. Droplets of a carotenoid, which give this alga its orange colour, have spilled out)

Cystocoleus ebeneus M Sutcliffe. On sandstone. Enegars, Isle of Hoy, Scotland. small LARGE

Degelia

Degelia atlantica. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. small LARGE

Degelia atlantica. M Sutcliffe. On Sycamore. Gairloch, Scotland. small LARGE

Degelia atlantica. M Sutcliffe. On hazel. Raasay, Scotland. small LARGE

Degelia cyanoloma. M Sutcliffe. On oak (with Pannaria rubiginosa top left). Lochaline, Morvern, Scotland. small LARGE

Degelia cyanoloma. M Sutcliffe. Woodland west of Torridon, Scotland. small LARGE

Degelia cyanoloma. M Sutcliffe. On sycamore. Isle of Raasay, Scotland. small LARGE

Degelia ligulata. Ray Woods. On damp, slightly basic, north-facing sandstone sea cliffs. Gateholm Island, Pembrokeshire, Wales. small LARGE

Degelia plumbea (right) with D. cyanoloma. Steve Price. Corrieshalloch, Scotland. small LARGE

Dermatocarpon

Dermatocarpon intestiniforme. M Sutcliffe. Very shaded vertical rock face (conglomerate). Dunstaffnage Castle, Dunbeg, Scotland. small LARGE small LARGE small LARGE

Dermatocarpon intestiniforme. M Sutcliffe. Exposed, flushed, coastal, conglomerate slab. Gairloch, Wester Ross, Scotland. small LARGE small LARGE small LARGE Habitat

Dermatocarpon intestiniforme. Jenny Seawright. On rocky headland, Zetland, Beara peninsula, Co. Cork, Eire. small LARGE

Dermatocarpon intestiniforme. F G Jones. On slate retaining wall. Gilfach Du National Slate Museum, Llanberis, Wales. small LARGE

Dermatocarpon leptophyllodes. M J Simms. On rock in Afon Ysgethin, North Wales. small LARGE

Dermatocarpon luridum. M J Simms. On rock in Afon Ysgethin, North Wales. small LARGE

Dermatocarpon luridum. M Sutcliffe. In limestone crevice. Lathkill Dale, Derbyshire. small LARGE

Dermatocarpon meiophyllizum. Jenny Seawright. On rock beside stream. Ballingeary, County Cork, Eire. small LARGE small LARGE

Dermatocarpon miniatum. M Sutcliffe. Basalt sea cliff, in drainage cleft. East Lothian, Scotland. small LARGE

Dermatocarpon miniatum. M Sutcliffe. Conglomerate cliff, in rain track. Dunstaffnage Castle, Dunbeg, Scotland. small LARGE small LARGE

Dermatocarpon miniatum. F G Jones. On slate retaining wall. Gilfach Du National Slate Museum, Llanberis, Wales. small LARGE Habitat

Dibaeis

Dibaeis baeomyces. M Sutcliffe. On peat at edge of track. Flowerdale Forest, Wester Ross, Scotland. small LARGE

Dibaeis baeomyces. Ray Woods. Eaglebrook. small LARGE

Dibaeis baeomyces. Neil Sanderson. On acid soil at edge of heathland path. Longwater lawn, New Forest. small LARGE UV fluorescence

Dimerella

Dimerella lutea. M Sutcliffe. On shaded oak trunk. Lochaline, Morvern, Scotland. small LARGE

Dimerella lutea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland. small LARGE

Dimerella pineti. Mark Powell. On shaded hazel bark at Bowd Lane Copse, Northamptonshire. small LARGE Spores

Dimerella pineti. M Sutcliffe. On branch of mature elm. East coast of Raasay, Scotland. small LARGE Habitat

Diploicia

Diploicia canescens. M Sutcliffe. On coastal shale. Ilfracombe, Devon, England. small LARGE

Diploicia canescens (with algae growing on it). F G Jones. On slate gravestone. Llandyfrydog, N Wales. small LARGE

Diploicia canescens (fertile). M J Simms. On mature sycamore, Castleward, Co. Down. small LARGE

Diploschistes

Diploschistes gypsaceus. N Hodgetts small LARGE

Diploschistes muscorum. Neil Sanderson. Established on the ground in parched acid grassland, Stanway Pit, Colchester, Essex. small LARGE

Diploschistes muscorum. Neil Sanderson. overgrowing Cladonia species, in parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire. small

Diploschistes muscorum. M Sutcliffe. On open, dune grassland. Golspie, Scotland. small LARGE small LARGE

Diploschistes scruposus. M Sutcliffe. On sandstone wall, Northumberland. small LARGE

Diploschistes scruposus. M J Simms. On granite wall, Legananny, Co. Down, N Ireland. small LARGE

Diplotomma

Diplotomma alboatrum. M Sutcliffe. On calcareous wall of church, Norfolk, England. small LARGE

Diplotomma alboatrum. M Sutcliffe. On serpentine cliff above High Water Mark. Kynance cove, The Lizard, Cornwall. England. small LARGE

Diplotomma murorum. Mark Powell. On Caloplaca teicholyta on limestone parapet of bridge. Felmersham, Bedfordshire. small LARGE small LARGE

Dirina

Dirina massiliensis f sorediata. M Sutcliffe. Basalt sea cliff. Drumadoon Point, Isle of Arran, Scotland. small LARGE

Dirina massiliensis f sorediata. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight. small LARGE

Dirina massiliensis f. sorediata. M Sutcliffe. On wall of covered entrance. Dinefwr castle, Carmarthenshire. small LARGE Habitat

Dirina massiliensis f massiliensis with f sorediata. Neil Sanderson. Overhanging limestone, Penn's Weare, Isle of Portland, Dorset. small LARGE

Enterographa

Enterographa brezhonega. Andy Cross. (det Neil Sanderson, conf. Laurens Sparrius) new to Britain. The white pseudostromata formed from convoluted groups of lirellae parasitising Porina rosei. Great Wood, New forest, Hampshire. small LARGE

Enterographa crassa. M Sutcliffe. On Sycamore in dense woodland, The Cairn, Ilfracombe, Devon. small LARGE

Enterographa elaborata. Neil Sanderson. New forest, Hampshire. small LARGE

Enterographa elaborata. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire. small LARGE

Enterographa elaborata. Neil Sanderson. With E. crassa (top right), on rain track on old beech, James Hill, New Forest. small LARGE

Labels

Enterographa hutchinsiae. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire. small LARGE Labels

Enterographa pitardii. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland. small LARGE

Enterographa sorediata (fertile). Neil Sanderson. On oak. New Forest, Hampshire. small LARGE

Enterographa sorediata. Neil Sanderson. On oak. Lanhydrock, Cornwall. small LARGE small LARGE

Enterographa sorediata. Neil Sanderson. On oak. Very strongly sorediate specimen showing the orange � red Pd reaction. The pinkish tinge is typical of hydrated soredia. Clovelly, Devon. small LARGE

Eopyrenula

Eopyrenula grandicula (with Arthothelium ruanum below). Neil Sanderson. On hazel in oceanic ravine. Ceunant Llennyrch, Meirionnydd. small LARGE

Ephebe

Ephebe lanata. M J Simms. On riverside rock face, Afon Treweunydd, North Wales. small LARGE

Epilichen

Epilichen scabrosus. M Sutcliffe. On Baeomyces rufus. On mine spoil, Derbyshire. small LARGE

Evernia

Evernia prunastri. M Sutcliffe. On hazel. Stonehaugh, Northumberland, England. small LARGE

Evernia prunastri. Sarah Lovett. On hawthorn. West Somerset, England. small LARGE

Farnoldia

Farnoldia jurana. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire. small LARGE

Fellhanera

Fellhanera bouteillei. M Sutcliffe. On yew. Great Wood, Egglestone, Durham, England. small LARGE

Fellhaneropsis

Fellhaneropsis myrtillicola. B J Coppins. On twigs and needles of Pseudotsuga menziesii. Monynut Forest, Scotland. small LARGE

Flavoparmelia

Flavoparmelia caperata. M Sutcliffe. On hawthorn. The Cairn, Ilfracombe, Devon, England. small LARGE

Flavoparmelia caperata. M Sutcliffe. On coastal shale. Ilfracombe, Devon. small LARGE

Flavoparmelia caperata (fertile). Neil Sanderson. On oak branch. Buskets Wood, New Forest. small LARGE

Flavoparmelia soredians. M Sutcliffe. On beech tree. East Lothian, Scotland. small LARGE

Frutidella

Frutidella caesioatra. Andy Cross. On low mossy boulder at 1215m. Edge of the Wells of Dee, Cairngorms, Scotland. small LARGE

Fulgensia

Fulgensia fulgens. Robin Crump. Wales. small LARGE small LARGE

Fuscidea

Fuscidea austera. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE small LARGE

Fuscidea cyathoides. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales. small LARGE

Fuscidea cyathoides. N Hodgetts small LARGE

Fuscidea cyathoides. M Sutcliffe. On sandstone, Kielder Forest, Northumberland. small LARGE

Fuscidea gothoburgensis. Steve Price. Corrieshalloch, Scotland. small LARGE

Fuscidea gothoburgensis. M Sutcliffe. On quartzite. Islay, Scotland. small LARGE

Fuscidea kochiana. M Sutcliffe. On sandstone. Dead stones, Co. Durham, England. small LARGE small LARGE small LARGE small LARGE

Fuscidea lightfootii. M Sutcliffe. On plastic pipe. Dunstaffnage Marine Lab, near Oban, Scotland. small LARGE

Fuscidea lightfootii. M Sutcliffe. On broadleaved tree. Bowlees, Teesdale, England. small LARGE

Fuscidea lightfootii. M Sutcliffe. On fence post. Finlaggan, Islay, Scotland. small LARGE

Fuscidea lygaea. M Sutcliffe. On quartzite. Islay, Scotland. small LARGE

Fuscidea praeruptorum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE small LARGE

Fuscidea praeruptorum. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE

Fuscopannaria

Fuscopannaria ignobilis. Dave Genney. Inverfarigaig, Invernesshire. small LARGE

Fuscopannaria mediterranea. M Sutcliffe. On mossy ash tree. Inverawe Country Park, Strathclyde, Scotland. small LARGE

Fuscopannaria sampaiana. M Sutcliffe. On oak trunk. Lochaline, Morvern, Scotland. small LARGE

Gomphillus

Gomphillus calycioides. Neil Sanderson. The Burren, Ireland. small LARGE

Graphina

Graphina anguina. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland. small LARGE

Graphina anguina. M Sutcliffe. On sycamore. Near Ballygrant, Islay, Scotland. small LARGE small LARGE

Graphina pauciloculata (clusters of small lirellae). Neil Sanderson. On Graphina ruiziana on hazel. Draynes Wood, Cornwall. small LARGE

Graphina ruiziana. Neil Sanderson. With small clusters of Graphina pauciloculata on hazel. Draynes Wood, Cornwall. small LARGE

Graphis

Graphis elegans. M Sutcliffe. On beech. Hesleyside Park, Northumberland. small LARGE small LARGE

Graphis scripta. M Sutcliffe. On beech, the Cairn, Ilfracombe, Devon, England. small LARGE

Gyalecta

Gyalecta jenensis. M Sutcliffe. On limestone cliff. Lismore Island, scotland. small LARGE

Gyalecta truncigena. M Sutcliffe. On branch of mature elm. East coast of Raasay, Scotland. small LARGE small LARGE Habitat

Gyalecta ulmi. N Hodgetts. small LARGE

Gyalecta ulmi. M Sutcliffe. On limestone. Yew crags, Northumberland. small LARGE

Gyalidiopsis

Gyalidiopsis crenulata. Ray Woods. With Placopsis lambii on heavy metal rich boulder. Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales. small LARGE

Gyalidiopsis muscicola. Dave Genney. Scotland. small LARGE

Gyalideopsis muscicola. M Sutcliffe. On moss. Argyll, Scotland. small LARGE

Haematomma

Haematomma ochroleucum var porphyrium. M Sutcliffe. vertical face of tombstone, Norfolk, England. small LARGE

Haematomma ochroleucum fertile. M Sutcliffe. On sandstone. Grut Fea, Isle of Hoy, Scotland. small LARGE

Hertelidea

Hertelidea botryosa. M Sutcliffe. On fallen dead pine. Glen Quoich. Scotland. small LARGE

Hertelidea botryosa. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire. small LARGE

Habitat

Heterodermia
Heterodermia japonica has been wrongly applied to British and Irish specimens and is H. obscurata.

Heterodermia obscurata. Dave Genney. Knapdale SSSI, Argyll and Bute. small LARGE

Heterodermia leucomela. M Sutcliffe. Coastal serpentine rocks, The Lizard, Cornwall, England. small LARGE

Heterodermia leucomela. Theresa Greenaway. Saddle Point, Pembrokeshire, Wales. small LARGE

Heterodermia leucomela. Neil Sanderson. On beech twig. The Deer Park, Boconnoc, Cornwall. small LARGE

Heterodermia leucomela. Peter Lambley. On coastal heath. Kynance Cove, The Lizard, Cornwall. small LARGE

Heterodermia propagulifera. Peter Lambley. On coastal heath. Tresco, Isles of Scilly. small LARGE

Homostegia (parasitic fungi)

Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland. small LARGE

Hymenelia

Hymenelia epulotica. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Hymenelia epulotica. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Hyperphyscia

Hyperphyscia adglutinata. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England. small LARGE

Hypocenomyce

Hypocenomyce friesii. Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus. small LARGE

Hypocenomyce scalaris. M Sutcliffe. On standing dead pine. Glen Quoich, Braemar, Scotland. small LARGE

Hypogymnia

Hypogymnia farinacea. M Sutcliffe. On siliceous rock. Rannerdale Knotts, Cumbria. small LARGE

Hypogymnia farinacea. Andy Acton. On Scots pine. Scotland. small small LARGE

Hypogymnia physodes. M Sutcliffe. On artificial sign of nature reserve, Williamston, Northumberland, England. small LARGE

Hypogymnia physodes. M Sutcliffe. On sandstone boulder. Hadrian's Wall area, Northumberland, England. large

Hypogymnia physodes. M Sutcliffe. On pine. Loch Maree, Scotland. small

Hypogymnia physodes fertile. Dave Genney. Scotland. small LARGE

Hypogymnia tubulosa. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England. small LARGE

Hypogymnia vittata. M Sutcliffe. On open, dune grassland. Golspie, Scotland. small LARGE small LARGE small LARGE

Hypotrachyna

Hypotrachyna afrorevoluta. Neil Sanderson. On oak branch. Plain Green, Busketts Wood, New Forest. small LARGE

Hypotrachyna afrorevoluta compared with Hypotrachyna revoluta (left). Neil Sanderson. small LARGE

Hypotrachyna britannica. M J Simms. On ash by Clare River, Milltown, Co. Galway, Ireland. small LARGE

Hypotrachyna laevigata. M Sutcliffe. On broadleaved tree. Morvern, Scotland. small LARGE

Hypotrachyna laevigata. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland. small LARGE

Hypotrachyna revoluta. M Sutcliffe. On oak. Ulverscroft, Leicestershire, England. small LARGE small LARGE Habitat

Hypotrachyna sinuosa. M J Simms. On sycamore branch, Fahee North, the Burren, Co. Clare, Ireland. small LARGE

Hypotrachyna sinuosa. M Sutcliffe. On birch. Raasay, Scotland. small LARGE

Hypotrachyna taylorensis. M Sutcliffe. On large horizontal branch at woodland edge. Morvern, Scotland. small LARGE

Icmadophila

Icmadophila ericetorum. M Sutcliffe. On peat. Glen Quoich, Braemar, Scotland. small LARGE

Imshaugia

Imshaugia aleurites. M Sutcliffe. On old wooden bridge. Glen Quoich, Braemar, Scotland. small LARGE

Imshaugia aleurites. fertile. M Sutcliffe. On rotting pine stump. Glen Quoich, Braemar, Scotland. small LARGE

Imshaugia aleurites. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE

Imshaugia aleurites. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire. small LARGE

Ionapsis

Ionaspis lacustris. M Sutcliffe. Screapadal, Raasay, Scotland. small LARGE

Ionaspis epulotica is now Hymenelia epulotica.

Jamesiella

Jamesiella anastomosans showing hyphophores. Mark Powell. On Oak branch near Salisbury. small LARGE

Lasallia

Lasallia pustulata. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire. small LARGE

Lasallia pustulata. F G Jones. On siliceous Roche Moutonnee. Nant Ffrancon, N Wales. small LARGE

Lasallia pustulata. F G Jones. N Wales. Dry small LARGE Wet small LARGE

Lecanactis

Lecanactis abietina. M Sutcliffe. Sycamore. Roddam Dene, Wooler, Northumberland, England. small LARGE

Lecanactis abietina (fertile). M Sutcliffe. Sycamore. Roddam Dene, Wooler, Northumberland, England. small LARGE

Lecanactis subabietina. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire. small LARGE

Lecania

Lecania aipospila. M Sutcliffe. On coastal basalt. South Hoy, Orkneys, Scotland. small LARGE

Lecania atrynoides. M Sutcliffe. On coastal shale. Rockham beach, North Devon. small LARGE small LARGE Ascus & spores (in KI) Apothecium when wet Habitat

Lecania cuprea. Simon Davey. On limestone pavement. Great Asby, Westmorland. small LARGE

Lecania cyrtella. M Sutcliffe. On elder. Newburn, Newcastle-upon-Tyne. small LARGE small LARGE

Lecania inundata. M Sutcliffe. On iron sheet. Tideslow Rake, Derbyshire. small LARGE Habitat

Lecania naegelii. Mark Powell. On ash twig. Minera churchyard, Denbighshire. small LARGE

Lecania rabenhorstii M Sutcliffe. Hoy church, Isle of Hoy, Scotland. small LARGE

Lecania subfuscula. M Sutcliffe. On coastal turf (surrounded by undescribed Bacidea). South Hoy, Orkneys, Scotland. small LARGE

Lecanographa

Lecanographa amylacea. D Genney. On oak. Cawdor Wood, Scotland. small LARGE small LARGE small LARGE

Lecanographa dialeuca. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland. small LARGE

Lecanographa grumulosa. Neil Sanderson. On overhanging limestone. Penn's Weare, Isle of Portland. small LARGE

Lecanographa lyncea. Neil Sanderson. On ivy stem on sandstone cliff in oceanic woodland, Correl Glen, Co. Fermanagh. small LARGE

Lecanora

Lecanora agardhiana. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire. small

Lecanora albella. Mark Powell. Showing PD+. On Oak branch near Salisbury. small LARGE

Lecanora albescens. M Sutcliffe. On vertical tombstone. Cemetery, Darlington, England. small LARGE

Lecanora antiqua. M Sutcliffe. On church wall. Leicestershire, England. small LARGE Small LARGE

Lecanora antiqua. M J Simms. On weathered, perspex information board (C+yellow). Knockiveagh, Co Down, N. Ireland. small LARGE

Lecanora antiqua. M Sutcliffe. On Whitfield Church (east side), Northumberland. small LARGE

Lecanora argentata. M Sutcliffe. On sycamore. Roddam Dene, Northumberland. small LARGE small LARGE Apothecium section

Lecanora atrosulphurea M Sutcliffe. On sandstone boulder. Ward Hill, Isle of Hoy, Scotland. small LARGE Habitat

Lecanora barkmaniana. M Sutcliffe. On broadleaved tree. National Botanic Garden of Wales, Carmarthen. small LARGE

Lecanora campestris var. campestris. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small LARGE

Lecanora campestris var. dolomitica. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small LARGE

Lecanora carpinea. M Sutcliffe. On maple. Portsoy, Aberdeenshire, Scotland. small LARGE

Lecanora carpinea. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire. small LARGE

Lecanora chlarotera. M Sutcliffe. On ash. Devon. small LARGE

Lecanora cinereofusca. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye. small LARGE small LARGE

Lecanora conferta is now Lecanora antiqua.

Lecanora confusa. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecanora conizaeoides. M Sutcliffe. On pine. Ingram, Northumberland. small LARGE

Lecanora crenulata. M Sutcliffe. On tombstone. Cemetery, Darlington, England. small LARGE

Lecanora crenulata. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire. small

Lecanora dispersa. M Sutcliffe. On dolomitised limestone. Harboro' rocks, Derbyshire. small LARGE small LARGE

Lecanora expallens. M Sutcliffe. On young broadleaved tree, Allensford, Durham, England. small LARGE

Lecanora expallens. M Sutcliffe. On south side of church. Kilmory, Arran, Scotland. Small LARGE small LARGE

Lecanora expallens. M Sutcliffe. On old wooden gatepost. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecanora farinaria. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecanora fugiens. M J Simms. On coastal sandstone. Fisherstreet, Co. Clare, Ireland. small LARGE

Lecanora gangaleoides. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England. small LARGE

Lecanora gangaleoides. M Sutcliffe. On whin sill (andesite). Sewingshields crag, Northumberland, England. small LARGE

Lecanora intricata. M Sutcliffe. On drystone wall. Teesdale, Durham. small LARGE

Lecanora intumescens. Neil Sanderson. On Rowan. Cadha Beag, Rothiemurchus. small LARGE small LARGE

Lecanora jamesii. Theresa Greenaway. On Salix. Stackpole, Pembrokeshire, Wales. small LARGE

Lecanora leptacina. Neil Sanderson. On boulder in late snow patch. Garbh Choire Mor, Mar Lodge Estate. small LARGE

Lecanora muralis. M Sutcliffe. On whin sill, near Hadrian's Wall, Northumberland, England. small LARGE

Lecanora muralis. M Sutcliffe. On low wall. Saltwell Park, Gateshead, England. small LARGE habitat

Lecanora orosthea. M Sutcliffe. On siliceous volcanic tuff. Bradgate Park, Leicestershire, England. small LARGE small LARGE

Lecanora pannonica. M Sutcliffe. Vertical face of brick wall. Norfolk, England. small LARGE

Lecanora pannonica. Mark Powell. On sandstone. Bridge at Felmersham, Bedfordshire. small LARGE small LARGE

Lecanora persimilis. M Sutcliffe. On sycamore twig. Near Strathdon, Scotland. small LARGE small LARGE

Lecanora persimilis. M Sutcliffe. On ash twig. Ardnahoe loch, Islay, Scotland. small LARGE

Lecanora polytropa. M Sutcliffe. On drystone wall. Teesdale, Durham. (L. polytropa middle, surrounded by L. intricata and L. soralifera) small LARGE

Lecanora pulicaris. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England. small LARGE

Lecanora quercicola. Neil Sanderson. Melbury Park, England. small LARGE

Lecanora rupicola. M Sutcliffe. Vertical tombstone. Kilmory, Arran, Scotland. small LARGE LARGE

Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small LARGE

Lecanora saligna. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecanora saligna. M Sutcliffe. On oak wood. Chatsworth Estate, Derbyshire. small LARGE

Lecanora sinuosa. John Garrett. On ash. Suffolk. small LARGE

Lecanora soralifera. M Sutcliffe. On drystone wall (with L. polytropa). Teesdale, Durham. small LARGE

Lecanora soralifera. M Sutcliffe. On basalt. Teesdale, England. small LARGE

Lecanora sublivescens Andy Cross. On sunny trunk of old beech, New Forest. small LARGE

Lecanora sublivescens. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire. small LARGE small LARGE

Lecanora sulphurea . M Sutcliffe. On sandstone. Isle of Hoy, Scotland. small LARGE

Lecanora swartzii. N Hodgetts small LARGE

Lecanora symmicta. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecanora varia. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England. small LARGE

Lecanora zosterae M Sutcliffe. On decaying grass at top of earth bank along coast. Isle of Hoy, Scotland. small LARGE small LARGE Habitat

Lecidea

Lecidea fuliginosa. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE small LARGE

Lecidea fuscoatra s. lat. M Sutcliffe small LARGE

Lecidea fuscoatra s. lat. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire. small LARGE

Lecidea grisella. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE small LARGE

Lecidea hypnorum. M Sutcliffe. On moss on limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Lecidea hypopta. M Sutcliffe. On oak lignum. Old deer park, Chatsworth Estate, Derbyshire. small LARGE Habitat

Lecidea lactea (showing K+red). M Sutcliffe. On acidic rock. Islay, Scotland. small LARGE

Lecidea lapicida. M Sutcliffe. On siliceous rock. Glen Buchat, Aberdeenshire, Scotland. small LARGE

Lecidea lithophila. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE small LARGE

Lecidea nylanderi. M Sutcliffe. On pine lignum, Braemar, Scotland. small LARGE

Lecidea nylanderi. M Sutcliffe. small

Lecidea turgidula. Neil Sanderson. On lignum on fallen pine. Rothiemurchus. small LARGE

Lecidea turgidula. Neil Sanderson. On standing dead oak. Mallard Wood, New Forest. small LARGE

Lecidella

Lecidella asema M Sutcliffe. On coastal sandstone. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecidella carpathica. Mark Powell. On old wooden railway sleepers of footbridge. small Section in K

Lecidella elaeochroma. M Sutcliffe. On oak twig. Ilfracombe, Devon, England. small LARGE

Lecidella scabra. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small LARGE

Lecidella scabra. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Lecidella stigmatea. M Sutcliffe. On mortar. Boundary wall. Bradgate Park, Leicestershire. small LARGE

Lecidella stigmatea. M Sutcliffe. On Whitfield Church, Northumberland. small LARGE

Lecidoma

Lecidoma demissum. Andy Cross. On southern slope of Sgor an Lochain Uaine at 1150m, Scotland. small LARGE

Lepraria

Lepraria ecorticata. M Sutcliffe. On sandstone in dry underhang. Great Wood, Durham, England. small LARGE Habitat

Lepraria incana. M Sutcliffe. On shaded gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE small LARGE Habitat

Lepraria lobificans. M Sutcliffe. On birch. Jura, Scotland. small LARGE

Lepraria membranacea. M Sutcliffe. On underhang of sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England. small LARGE

Lepraria membranacea. M Sutcliffe. small LARGE

Lepraria nivalis. M J Simms. On shaded limestone, Kilcorney, the Burren, Co. Clare, Ireland. small LARGE

Lepraria nivalis. M Sutcliffe. On virtical limestone. Yew crags, West Allendale, Northumberland. small LARGE

Lepraria nivalis. M Sutcliffe. Shaded limestone cliff. Lathkill Dale, Derbyshire. small LARGE

Lepraria rigidula. M Sutcliffe. Kindrogan Field Centre, Scotland. small LARGE

Leprocaulon

Leprocaulon microscopicum. M Sutcliffe. On vertical shale. Ilfracombe, Devon. small LARGE

Leptogium
Comparison with Collema

Leptogium brebissonii. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small LARGE small LARGE

Leptogium britannicum. M Sutcliffe. On limestone seacliff. Lismore Island, scotland. small LARGE

Leptogium burgessii. (fertile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland. small LARGE LARGE

Leptogium burgessii. (sterile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland. small LARGE

Leptogium cochleatum. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland. small LARGE

Leptogium coralloideum. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye. small LARGE

Leptogium cyanescens. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland. small LARGE small LARGE

Leptogium cyanescens. M Sutcliffe. On shaded mossy rocks. Torridon Wood, Wester Ross, Scotland. small LARGE

Leptogium diffractum (with Clauzadea immersa). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small LARGE

Leptogium gelatinosum. M Sutcliffe. On limestone tombstone. St John's in the Vale church, Cumbria. small LARGE small LARGE small LARGE

Leptogium gelatinosum. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small LARGE

Leptogium lichenoides. M Sutcliffe. On mossy oak. Inverawe Country Park, Taynuilt, Scotland. small LARGE

Leptogium masiliense. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small LARGE

Leptogium palmatum. Neil Sanderson. In winter damp parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire. small LARGE

Leptogium plicatile. M J Simms. On basalt boulders in stream, South Woodburn Glen, Carrickfergus, Northern Ireland. small LARGE Small LARGE

Leptogium pulvinatum. M Sutcliffe. On moss overgrowing limestone, Lathkill Dale, Derbyshire. small LARGE

Leptogium saturninum. Dave Genney. Scotland. small LARGE

Leptogium schraderi. M Sutcliffe. Derbyshire. small LARGE

Leptogium subtile. M Sutcliffe. On decaying plant remains at mine spoil site, Derbyshire. small LARGE

Leptogium tenuissimum. Neil Sanderson. on sand bank in parched acid grassland, Stanway Pit, Colchester, Essex. small LARGE

Leptogium teretiusculum. M Sutcliffe. Near Screapadal, Raasay, Scotland. small LARGE

Lichenomphalia

Lichenomphalia alpina. Ray Woods. near Llanelwedd, Radnorshire, Wales. small LARGE

Lichenomphalia alpina. Dave Genney. With fruiting body surrounded by L. hudsoniana. small LARGE

Lichenomphalia hudsoniana. M Sutcliffe. On peaty soil. Whitchester Moor, Northumberland. small LARGE

Lichenomphalia hudsoniana. Dave Genney. Connival, Scotland. small

LARGE

Lichenomphalia umbellifera. Ray Woods. On north-facing, peaty bank on Carngafallt, Llanwrthwl, Brecknock, Wales. small LARGE

Lichenomphalia umbellifera. M Sutcliffe. On humus. Brada Hill, Northumberland. small LARGE small LARGE

Lichenomphalia umbellifera. M J Simms. On exposed peat. Glenhead, near Larne, Co. Antrim, N Ireland. small LARGE small LARGE

Lichina

Lichina confinis. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon. small LARGE

Llimonaea

Llimonaea sorediata (with Roccella phycopsis). Neil Sanderson. On oak. Clovelly, Devon. small LARGE

Lobaria

Lobaria amplissima. M Sutcliffe. On ash. Lochaline, Morvern, Scotland. small LARGE

Lobaria amplissima. (dry). Neil Sanderson. On ancient Salix caprea ssp sphacelata Loch Ericht, Scotland. small LARGE

Lobaria amplissima. Dave Genney. Fairy Isles, Knapdale, Argyll and Bute. small LARGE

Lobaria pulmonaria. (dry). M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland. small LARGE

Lobaria pulmonaria. (wet). M Sutcliffe. Sycamore. Brodick Castle, Isle of Arran, Scotland. small LARGE

Lobaria pulmonaria (young). M Sutcliffe. On broadleaf tree. Near Ardilistry, S.E. Islay, Scotland. small LARGE

Lobaria pulmonaria. Dave Genney. Ormidale House, Scotland. small LARGE

Lobaria scrobiculata. M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland. small LARGE

Lobaria scrobiculata. M Sutcliffe. Oak. Morvern, Scotland. small LARGE

Lobaria scrobiculata. M Sutcliffe. On roadside wall. Inverawe Country Park, Taynuilt, Scotland. small LARGE

Lobaria scrobiculata. (fertile). M Sutcliffe. Oak. Talladale, Loch Maree, Scotland. small LARGE

Lobaria virens. M Sutcliffe. Oak trunk. Lochaline, Morvern, Scotland. small LARGE

Lobaria virens. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. LARGE

Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland. small LARGE

Lopadium

Lopadium disciforme. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Lopadium disciforme. Dave Genney. Scotland. small LARGE

Loxospora

Loxospora elatina. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Loxospora elatina. M Sutcliffe. On oak. Jura, Scotland. small LARGE

Marchandiomyces (parasitic fungi)

Marchandiomyces corallinus. M Sutcliffe. Parasitic on Parmelia sulcata. Ingram, Northumberland. small LARGE

Massalongia

Massalongia carnosa. Ray Woods. beside the Afon Pisgottwr, Allt Rhyd y Groes, Rhandirmywyn, Carmarthenshire, Wales. small LARGE

Megalaria

Megalaria grossa. M Sutcliffe. On mossy, shaded, coastal aspen. Badachro, Wester Ross, Scotland. small LARGE

Megalaria grossa. M Sutcliffe. On mossy ash. Glen Tilt, Blair Atholl, Scotland. small LARGE

Megalaria grossa. Dave Genney. Scotland. small LARGE Small LARGE

Megalaria laureri Neil Sanderson. Expanding into a wound track on ancient beech. New Forest. small LARGE

Megalaria laureri. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa. Rain track on Beech. James's Hill, New Forest. small LARGE

Megalaria pulverea. M Sutcliffe. On Magnolia. Brodick Castle gardens, Arran, Scotland. small LARGE

Megalaria pulverea. Dave Genney. Scotland. small LARGE

Megalospora

Megalospora tuberculosa Neil Sanderson. On moss on old ash. New Forest. small LARGE

Megalospora tuberculosa. Neil Sanderson. Ash tree, in open hazel - ash wood, Coille Thogabhaig, Skye. small LARGE

Megaspora

Megaspora verrucosa. Neil Sanderson. Creag Mhor, Glen Tilt, Perthshire. small LARGE

Melanelia

Melanelia hepatizon. M Sutcliffe. On schist. Ben Lawers, Scotland. small LARGE

Melanelixia
Melanelixia fuliginosa and M. glabratula are now shown to be separate species.
Reference:- Arup, U. and Berlin, S. A taxonomic study of Melanelixia fuliginosa in Europe. The Lichenologist 43 (part 2).

Melanelixia fuliginosa. M Sutcliffe small LARGE

Melanelixia glabratula. M Sutcliffe. On ash. Roddam Dene, Wooler, Northumberland, England. small LARGE

Melanelixia glabratula apothecia. M Sutcliffe. On ash. Roddam Dene, Wooler, Northumberland, England. small LARGE

Melanelixia subaurifera. M Sutcliffe. On pasture tree. Strathdon, Scotland. small LARGE

Melanohalea

Melanohalea elegantula. M Sutcliffe. On sycamore. Whitfield Church, Northumberland. small LARGE

Melanohalea exasperata. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE

Melanohalea exasperatula. M Sutcliffe. On oak. Old deer park, Chatsworth Estate, Derbyshire. small LARGE

Melanohalea laciniatula. M Sutcliffe. On beech. Edinburgh. small LARGE

Melanohalea septentrionalis. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus. small LARGE (right and vertical branch)

Melaspilea

Melaspilea atroides. M Sutcliffe. Raasay, Scotland. small LARGE

Melaspilea lentiginosa. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa. Rain track on Beech. James's Hill, New Forest. small LARGE

Melaspilea lentiginosa. Neil Sanderson. Parasitic on Phaeographis dendritica. On old beech. James's Hill, New Forest. small LARGE

Melaspilea ochrothalamia. John Norton. Parasitising Rinodina efflorescens on young oak. Wood crates, New Forest, England. small LARGE

Menegazzia

Menegazzia terebrata. M Sutcliffe. Trees. Lochaline, Morvern, Scotland. small LARGE

Menegazzia terebrata. M Sutcliffe. On birch. Raasay, Scotland. small LARGE

Micarea

Micarea alabastrites. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Micarea alabastrites. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small LARGE small LARGE

Micarea alabastrites. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex. small LARGE

Micarea coppinsii M Sutcliffe. On sandstone boulder. Ward Hill, Isle of Hoy, Scotland. small LARGE

Micarea denigrata. M Sutcliffe. On decaying Cladonia. Highcliffe Mine, Eyam, Derbyshire. small LARGE

Micarea erratica. Mark Powell. On old wooden railway sleepers of footbridge. small Section in K

Micarea hedlundii. Neil Sanderson. On standing dead oak. Tantany Wood, New Forest. small LARGE

Micarea lignaria. M Sutcliffe. On acidic rock under pine. Glen Quoich, Braemar, Scotland. small LARGE

Micarea lignaria. M Sutcliffe. On fallen dead pine. Glen Quoich, Braemar, Scotland. small LARGE

Micarea melaena. M Sutcliffe. On decorticated oak. Great Wood, Eggleston, Durham, England. small LARGE Habitat

Micarea peliocarpa M Sutcliffe. On upland peat. Ward Hill, Isle of Hoy, Scotland. small LARGE Habitat

Micarea prasina. Jim Deacon. small

Micarea prasinella. Dave Genney. On moss in ravine. Dundonnel, Scotland. small LARGE

Micarea stipitata. M Sutcliffe. On moss. Screapadal, Raasay, Scotland. small LARGE

Micarea xanthonica. M Sutcliffe. On acidic bark. Raasay, Scotland. small LARGE

Miriquidica

Miriquidica leucophaea. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England. small LARGE small LARGE

Miriquidica nigroleprosa. N Hodgetts small LARGE

Miriquidica pycnocarpa. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Miriquidica pycnocarpa form sorediata. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Mniaecia

Mniaecia jungermanniae. M Sutcliffe. On liverworts on inclined gritstone boulder. Lud's church (ravine), near Allgreave, Staffordshire. small LARGE small LARGE Ascus Habitat 1 Habitat 2

Moelleropsis

Moelleropsis nebulosa. B J Coppins. On crumbling Old Red sandstone, conglomerate and soil. Monynut Water, East Lothian, scotland. small LARGE

Moelleropsis nebulosa. M Sutcliffe. On bare soil. Black Mountain, Carmarthenshire. small LARGE

Multiclavula

Multiclavula vernalis. (TBC) Ray Woods. On a decorticate log, shore of Loch Arienas, Ardtornish, Scotland. small LARGE

Mycobilimbia

Mycobilimbia epixanthoides. B J Coppins. On ash. Craighall Gorge SSSI, Perthshire, Scotland. small LARGE

Mycobilimbia pilularis. M Sutcliffe. On shaded oak. Great wood, Eggleston, Durham, England. small LARGE small LARGE

Mycoblastus

Mycoblastus alpinum. M Sutcliffe. On gritstone boulder. Chatsworth Estate, Derbyshire. small LARGE

Mycoblastus caesius. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small LARGE

Mycoblastus fucatus has been renamed as Violella fucata.

Mycoblastus sanguinarius. M Sutcliffe. On pine. Glen Quoich, Scotland. small LARGE

Mycoblastus sanguinarius. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE

Mycoblastus sanguinarius f. leprosus. Neil Sanderson. On pine. Cadha Beag, Rothiemurchus. small LARGE

Mycoporum

Mycoporum antecellens. Neil Sanderson. On beech. Savernake Forest, Wiltshire. small LARGE

Mycoporum antecellens . M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland. small LARGE

Mycoporum lacteum. Neil Sanderson. On ancient holly. James's Hill, New Forest. small LARGE

Myriospora

Myriospora smaragdula. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE

Myriospora smaragdula. M Sutcliffe. On sandstone sculpture. Holwick, Teesdale. small LARGE Habitat

Myxophora (parasitic fungi)

Myxophora leptogiifera parasitizing Collema flaccidum. M Sutcliffe. On sycamore, Raasay, Scotland. small LARGE

Nectriopsis (parasitic fungi)

Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland. small LARGE

Nectriopsis physciicola. Jenny Seawright. Parasitic on Physcia aipolia, on Ash, Ballingeary, Co. Cork. Eire. small LARGE small

Nephroma

Nephroma laevigatum. M Sutcliffe. On broadleaf tree. Glen Quoich, Braemar, Scotland. small LARGE

Nephroma laevigatum. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Nephroma laevigatum. M J Simms. On hazel by river, Ervey Wood, Co. Derry, Northern Ireland. small LARGE

Nephroma parile. Ray Woods. On ash in a walled garden, Hafod, Cardiganshire, Wales. small LARGE

Nephroma tangeriense (awaiting confirmation of identity). Dave Genney. Knapdale SSSI, Argyll and Bute. small LARGE

Nephroma tangeriense. Peter Lambley. Kynance Cove, The Lizard, Cornwall. small LARGE

Normandina

Normandina acroglypta. M Sutcliffe. On ash. RSPB reserve, Gruinart, Islay, Scotland. small LARGE

Normandina pulchella. M Sutcliffe. On ash. Torridon, Wester Ross, Scotland. small LARGE

Normandina pulchella. M J Simms. On Degelia atlantica. Hazel woodland. Fahee North, Carran, The Burren, Co. Clare. small LARGE

Normandina pulchella (fertile). M Sutcliffe. On broadleaved tree. Rudha na Gailich, Jura, Scotland. small LARGE

Ochrolechia

Ochrolechia androgyna. M Sutcliffe. small LARGE

Ochrolechia androgyna. M Sutcliffe. On coastal schist. Isle of Arran, Scotland. medium

Ochrolechia androgyna. M Sutcliffe. On riverside sycamore. near Haltwhistle, Northumberland. large small

Ochrolechia androgyna. (fertile). M Sutcliffe. On oak. Talladale, Loch Maree, Scotland. small LARGE

Ochrolechia frigida. M Sutcliffe. In calcareous grassland. Cronkley Fell, Teesdale, England. small LARGE

Ochrolechia frigida. Dave Genney small LARGE small LARGE

Ochrolechia inaequatula. M Sutcliffe. On short, trampled, coastal grassland. East Lothian, Scotland. small LARGE

Ochrolechia microstictoides. M Sutcliffe. On pine bark. Loch Maree, Wester Ross, Scotland. small LARGE

Ochrolechia microstictoides. M Sutcliffe. On pine wood. Mar Lodge Estate, Braemar, Scotland. small LARGE

Ochrolechia parella. M Sutcliffe. On coastal shale. Isle of Whithorn, Scotland. small LARGE

Ochrolechia parella. M Sutcliffe. On coastal rocks. Kynance Cove, The Lizard, Cornwall, England. small LARGE

Ochrolechia subviridis. M Sutcliffe. On old oak. Dalavich oakwood, Scotland. small LARGE

Ochrolechia szatalaensis. M Sutcliffe. On rowan. Loch Maree, Wester Ross, Scotland. small LARGE small LARGE small LARGE

Ochrolechia tartarea. M Sutcliffe. On sandstone crag, Northumberland, England. small LARGE

Ochrolechia tartarea. (apothecia emerging). M Sutcliffe small LARGE

Ochrolechia turneri. M Sutcliffe. On old wood post, Stonehaugh, Northumberland, England. small LARGE

Opegrapha

Opegrapha areniseda. Maxine Putnam. On church wall. Combe Martin, Devon. small LARGE small

Opegrapha atra. M Sutcliffe. On ash. Near Ballygrant, Islay, Scotland. small LARGE small LARGE Ascus & spores

Opegrapha calcarea. M Sutcliffe. On coastal shale. Ilfracombe, Devon. small LARGE

Opegrapha calcarea. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small LARGE

Opegrapha corticola. Neil Sanderson. On ancient Beech, Mark Ash wood, New Forest. small LARGE

Opegrapha dolomitica. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland. small LARGE

Opegrapha gyrocarpa. M Sutcliffe. On underhang of shaded coastal schist. Imachar point, Arran, Scotland. small LARGE

Opegrapha gyrocarpa. Steve Price. On gritstone wall. Combes, Derbyshire. small LARGE

Opegrapha herbarum. Mark Powell. On elder. Galsey Wood, Bedfordshire. small LARGE Spore and ascus

Opegrapha ochrocheila. M Sutcliffe. On oak. Ardtornish, Lochaline, Scotland. small LARGE

Opegrapha prosodea. Neil Sanderson. On Old hedgerow oak. Lymington, Hampshire. small LARGE

Opegrapha pulvinata. M Sutcliffe. Parasitic on Dermatocarpon intestiniforme. Gairloch, Scotland. small LARGE

Opegrapha rufescens. Mark Powell. On ash. Galsey Wood, Bedfordshire. small Spores

Opegrapha rupestris. M Sutcliffe. Parasitic on Verrucaria baldensis, on limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE

Opegrapha subelevata. M Sutcliffe. On coastal shale containing limestone strata. Watermouth, Devon, England. small LARGE small LARGE small LARGE Habitat

Opegrapha thelotrematis. M Sutcliffe. On Thelotrema. Raasay, Scotland. small LARGE

Opegrapha varia. M Sutcliffe. On sycamore. Roddam Dene, near Wooler, Northumberland, England. small LARGE

Opegrapha vermicellifera. Andy Cross. On rain track of old beech. Bignell Wood, New Forest. small LARGE

Opegrapha viridipruinosa. Neil Sanderson. on Japanese quince in garden, Fair Oak, Hampshire. small LARGE

Opegrapha vulgata. M Sutcliffe. Shaded mature sycamore. Brodick Castle, Isle of Arran, Scotland. small LARGE

Opegrapha vulgata. M Sutcliffe. The Cairn, Ilfracombe, Devon. small LARGE

Opegrapha xerica. M Sutcliffe. Raasay, Scotland. small LARGE small LARGE

Ophioparma

Ophioparma ventosa f. ventosa. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England. small LARGE

Ophioparma ventosa f. subfestiva. M Sutcliffe. small LARGE

Pachyphiale

Pachyphiale carneola. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Pachyphiale carneola. M Sutcliffe. On oak. Talladale, Loch Maree, Scotland. small LARGE

Pannaria

Pannaria conoplea. M Sutcliffe. On oak. Talladale, Loch Maree, Wester Ross, Scotland. small LARGE

Pannaria rubiginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Pannaria rubiginosa. M Sutcliffe. On aspen. Badachro, Wester Ross. small LARGE

Pannaria rubiginosa. M Sutcliffe. Raasay, Scotland. small LARGE

Parmelia
Where have all the Parmelias gone?

Parmelia discordans. M Sutcliffe. On base of pine. Loch Maree, Scotland. small LARGE Small LARGE

Parmelia ernstiae. M Sutcliffe. On mature oak. Inverawe Country Park, Taynuilt, Scotland. small LARGE small LARGE

Parmelia ernstiae. M Sutcliffe. On mature oak. Derwent Gorge and Horsleyhope Ravine SSSI, Durham, England. small LARGE Small LARGE

Parmelia omphalodes. M Sutcliffe. Whitchester crag, Bellingham, Northumberland. small LARGE

Parmelia saxatilis. M Sutcliffe. On coastal sandstone. Isle of Whithorn, Dumfries and Galloway, Scotland. small LARGE

Parmelia saxatilis. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE

Parmelia saxatilis. (fertile). M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland. small LARGE

Parmelia saxatilis. M Sutcliffe. On tree trunk. Bowlees visitor's centre, Teesdale, England. small LARGE

Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland. small LARGE

Parmelia sulcata. M Sutcliffe. small LARGE

Parmelia sulcata. mature and fertile. M Sutcliffe. small LARGE

Parmelia sulcata. M Sutcliffe. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE

Parmelia sulcata. Sarah Lovett. On hawthorn. West Somerset, England. small LARGE

Marchandiomyces corallinus. M Sutcliffe. Parasitic on Parmelia sulcata. Ingram, Northumberland. small LARGE

Parmeliella

Parmeliella parvula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Parmeliella parvula. M Sutcliffe. On broadleaved tree. Talladale, Loch Maree, Scotland. small LARGE

Parmeliella parvula. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE

Parmeliella triptophylla. M Sutcliffe. On birch. Raasay, Scotland. small LARGE

Parmelina

Parmelina carporrhizans. M Sutcliffe. On coastal sycamore. Watermouth, North Devon, England. small LARGE Ascocarp rhizines Habitat

Parmelina pastillifera. M Sutcliffe. Sea wall. Ilfracombe, Devon. small LARGE small LARGE Habitat

Parmelina tiliacea. M Sutcliffe. On lime tree. Whitfield Church, Northumberland. small LARGE

Parmelinopsis

Parmelinopsis horrescens. M Sutcliffe. On birch. Coed Crafnant, Llanbedr, Meirionydd, Wales. small LARGE small LARGE

Parmelinopsis horrescens. Neil Sanderson. On beech, Shave Wood, New Forest. small LARGE

Parmelinopsis minarum. Neil Sanderson. On oak branch in pasture woodland, New Forest. small LARGE

Parmeliopsis

Parmeliopsis ambigua. M Sutcliffe. On sandstone. Whitchester Moor, Northumberland, England. small LARGE Small LARGE

Parmeliopsis ambigua. Neil Sanderson. On high cut pine stump. Cadha Beag, Rothiemurchus. small LARGE

Parmeliopsis hyperopta. M Sutcliffe. On broadleaved tree. Raasay. Scotland. small LARGE

Parmotrema

Parmotrema crinitum. M Sutcliffe. On boulders at base of sea cliff. An Scriodan, Isle of Arran, Scotland. small LARGE

Parmotrema perlatum. M Sutcliffe. small LARGE

Parmotrema perlatum. Steve Price. With Umbilicaria deusta. Burbage Brook, Sheffield. small LARGE

Parmotrema perlatum. Theresa Greenaway. Orielton, Pembrokeshire, Wales. small LARGE

Parmotrema pseudoreticulatum. Neil Sanderson. On ash in old parkland. The Oaks, Shane's Castle, Co. Antrim. N Ireland. small LARGE small LARGE

Parmotrema reticulatum. John Norton. On beech. Wood crates, New Forest, England. small LARGE

Parmotrema robustum. Peter Lambley. West Lizard, Cornwall. small LARGE small LARGE

Peltigera

Peltigera britannica. M Sutcliffe. Mossy tree bole. Kindrogan field centre, Scotland. small LARGE

Peltigera britannica. Barbara Ballinger. Birchwood, Loch Morie, Scotland. With blue green morph developing. small LARGE

Peltigera britannica. Dave Genney. Scotland. small LARGE

Peltigera canina. Neil Sanderson. In acid grassland, Wolmer Forest, Hampshire. small LARGE small LARGE Lower surface

Peltigera collina. M Sutcliffe. On mossy tree. Kindrogan Field Centre, Scotland. small LARGE

Peltigera didactyla. Stewart Taylor. In shallow heathy pit. Boat of Garten, Invernesshire. small small

Peltigera horizontalis. M Sutcliffe. Broadleaved woodland, Lochaline, Scotland. small LARGE

Peltigera horizontalis. M Sutcliffe. Broadleaved woodland, Cumbria, England. small

Peltigera horizontalis. M Sutcliffe. On mossy rocks. Great Wood, Eggleston, Durham. small

LARGE

Peltigera hymenina. M Sutcliffe. small LARGE

Peltigera leucophlebia. M Sutcliffe. small LARGE

Peltigera leucophlebia. Jane Bowman. Glen Moriston, Scotland. small LARGE small LARGE

Peltigera malacea. Dave Genney. At Ferry Links, Loch Fleet NNR, Scotland. small LARGE

Peltigera malacea. Stewart Taylor. With P. didactyla and P. membranacea in a shallow heathy pit. Boat of Garten, Invernesshire. small LARGE

Peltigera membranacea. M Sutcliffe. small LARGE

Peltigera membranacea. M Sutcliffe. On mossy rocks. Glen Quoich, braemar, Scotland. small

Peltigera neckeri. Steve Price. On lead mine spoil. Hassop Common, Derbyshire, England. small LARGE

Peltigera polydactylon. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Peltigera polydactylon. Andy Cross. Allt Feith Lair, Glen Tilt, Perthshire. small LARGE

Peltigera praetextata. M Sutcliffe. On sheltered stream bank. Andrew's Cleugh, Northumberland. small LARGE

Peltigera praetextata. M Sutcliffe. Mossy sandstone on bank of river South Tyne. Near Lambley, Haltwhistle, Northumberland. small LARGE

Peltigera rufescens. M Sutcliffe. Upland calcareous grassland, Teesdale, England. small LARGE

Peltigera rufescens. Neil Sanderson. In acid grassland, Wolmer Forest, Hampshire. small LARGE Lower surface

Peltigera rufescens. P Jackson. small

Peltigera scabrosella. D Genney. Cawdor Wood, Scotland. small LARGE Small LARGE Small LARGE

Peltigera scabrosella. Neil Sanderson. On boulder in ravine. Cawdor Wood, Nairn, Scotland. small LARGE small LARGE

Peltigera venosa. M Sutcliffe. On heavy metal contaminated shingle. River South Tyne, Northumberland. small LARGE

Peltigera venosa. M Sutcliffe. small LARGE

Pertusaria

Pertusaria albescens. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small LARGE

small LARGE

Pertusaria albescens. M Sutcliffe. On oak. Penrhyn Castle, Bangor, North Wales. small LARGE

Pertusaria albescens var. albescens. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex. small LARGE

Pertusaria albescens var corallina. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE

Pertusaria amara. M Sutcliffe. On sycamore. Northumberland, England. small LARGE

Pertusaria amara. M Sutcliffe. Raasay, Scotland. small LARGE

Pertusaria amara. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland. small LARGE

Pertusaria amara f. pulvinata. Neil Sanderson. Mark Ash wood, New Forest. small LARGE

Pertusaria aspergilla. M J Simms. On granite (P+red). Knockiveagh, Co Down, N. Ireland. small LARGE

Pertusaria aspergilla. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales. small LARGE small LARGE

Pertusaria borealis. Neil Sanderson. On lignum on fallen pine. Rothiemurchus. small LARGE

Pertusaria coccodes. M J Simms. On mature ash, Tynan Park, Co. Armagh, Northern Ireland. small LARGE

Pertusaria coccodes. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE

Pertusaria corallina. M Sutcliffe. On sandstone boulder, Queen's crag, Northumberland, England. small LARGE

Pertusaria corallina fertile. Neil Sanderson. Bluestone, Mynydd Preseli, Pembrokeshire. small LARGE

Pertusaria excludens. M J Simms. (Showing K+y to r) On granite wall, Legananny, Co. Down, N Ireland. small LARGE

Pertusaria excludens. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small LARGE small LARGE

Pertusaria flavida. M Sutcliffe. On oak. Penrhyn Castle, Bangor, North Wales. small LARGE

Pertusaria flavida. Theresa Greenaway. On oak trunk. Knepp Castle Estate, West Sussex. small LARGE

Pertusaria hemisphaerica. M Sutcliffe. On oak. Great Wood, Durham, England. small LARGE

Pertusaria hemisphaerica. Showing C+ red. Andy Cross. On oak. North shore of Loch Rannoch, Scotland. small LARGE

Pertusaria hymenea. M Sutcliffe. On sycamore trunk, Score valley, Ilfracombe, Devon. small LARGE

Pertusaria lactea. M Sutcliffe. On schist. Glen Quoich, Scotland. small LARGE

Pertusaria leioplaca. M Sutcliffe. On rowan. Kindrogan Field Centre, Pitlochry, Scotland. small LARGE

Pertusaria leioplaca. M Sutcliffe. On ash. Roddam Dene, near Wooler, Northumberland, England. small LARGE

Pertusaria multipuncta. John Norton. On oak. Wood crates, New Forest, England. small LARGE

Pertusaria multipuncta. M Sutcliffe. On birch. Raasay, Scotland. small LARGE

small LARGE

Pertusaria oculata. Neil Sanderson. On windblown low montane heath. Creag Mhigeachaidh, Glen Feshie. small LARGE

Pertusaria ophthalmiza. Neil Sanderson. On old alder. Loch Ericht, Scotland. small LARGE

Pertusaria ophthalmiza. M Sutcliffe. On birch. Talladale, Loch Maree, Wester Ross, Scotland. small LARGE small LARGE

Pertusaria pertusa. M Sutcliffe. small LARGE

Pertusaria pertusa. M Sutcliffe. On oak. Great Wood, County Durham. small LARGE

Pertusaria pluripuncta. Peter Lambley. Tresco, Isles of Scilly. small LARGE

Pertusaria pseudocorallina. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small LARGE

Pertusaria pseudocorallina. Theresa Greenaway. On basalt. Wooltack, Pembrokeshire, Wales. small LARGE

Pertusaria pseudocorallina fertile. Steve Price. On raised beach cliff. Isle of Luing, Scotland. small LARGE

Pertusaria pustulata. Neil Sanderson. On beech. Plain Green, Busketts Wood, New Forest. small LARGE

Pertusaria pustulata. Neil Sanderson. On holly. White Moor, New Forest. small LARGE

Pertusaria velata Neil Sanderson. On old beech. New Forest. small LARGE

Petractis

Petractis clausa. Steve Price. On carboniferous limestone, Milldale, Derbyshire. small LARGE

Petractis clausa. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire. small LARGE Habitat

Phaeographis

Phaeographis dendritica. Theresa Greenaway. Orielton, Pembrokeshire, Wales. small LARGE

Phaeographis dendritica. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland. small LARGE

Phaeographis smithii. Neil Sanderson. On old Hazel. Monks Wood, Melbury Park, Dorset. small LARGE

Phaeophyscia

Phaeophyscia orbicularis. M Sutcliffe. On broadleaved tree. Cemetery, Darlington, England. small LARGE

Phaeophyscia orbicularis. M Sutcliffe. On birch trunk. Shibdon Pond, Blaydon, Tyne and Wear, England. small LARGE

Phlyctis

Phlyctis agelaea. Neil Sanderson. On ancient beech, Busketts Wood, New Forest. small LARGE

Phlyctis argena. M Sutcliffe. On broadleaved tree. small LARGE

Phylloblastia

Phylloblastia inexpectata. Mark Powell. On Rhododendron leaf. Groby, Leicestershire. small LARGE Cortical cells and algal cell clusters spores

Physcia

Physcia adscendens. M Sutcliffe. On coastal shale. The Capstan, Ilfracombe, Devon. small LARGE

Physcia adscendens. M Sutcliffe. On cherry trunk. Shibdon Pond, Blaydon, Tyne and Wear, England. small LARGE

Physcia aipolia. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE

Physcia caesia. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire. small LARGE

Physcia clementei. Ishpi Blatchley. On Ragstone headstone, Stansted church, Kent. small LARGE

Physcia clementei (fertile). Ishpi Blatchley. On Ragstone headstone, Pluckley Church, Kent. small LARGE

Physcia stellaris. M Sutcliffe. On sycamore. Teesdale, England. small LARGE

Physcia tenella. M Sutcliffe. On rowan. Kindrogan FSC, Pitlochry, Scotland. small LARGE

Physcia tenella. M Sutcliffe. On oak twig. Ilfracombe, Devon. small

Physcia tenella. (fertile). M Sutcliffe. On dog rose stem. Shibdon Pond, Blaydon, Tyne and Wear, England. small LARGE

Physcia tribacia. John Norton. On weathered plywood (poultry shed). Curdridge, Hampshire. small LARGE

Physcia tribacioides. M Sutcliffe. On serpentine. The Lizard, Cornwall, England. small LARGE Habitat

Physconia

Physconia distorta. M Sutcliffe. On broadleaved tree. Glen Tilt, Scotland. small LARGE

Physconia distorta. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small LARGE

Physconia enteroxantha. M Sutcliffe. On sycamore. Near Strathdon, Aberdeenshire, Scotland. small LARGE

Physconia grisea. M Sutcliffe. On wall of church. Norfolk, England. small LARGE

Physconia perisidiosa Neil Sanderson. On ash tree in old coppice. Fyfield Down, N Wiltshire. small LARGE

Physconia perisidiosa. Debbie Allan. On Ash. Curdridge, Hampshire. small LARGE

Piccolia

Piccolia ochrophora. Mark Powell. On elder. Chesterton, Cambridge. small LARGE Ascus

Pilophorus

Pilophorus strumaticus. M Sutcliffe. On granite. Dun Caan, Raasay, Scotland. small LARGE

Placidium

Placidium squamulosum. M Sutcliffe. On limestone. Lismore Island, Scotland. small LARGE

Placidium squamulosum. Charles David. On earth filling in the walls at Vale Castle, Guernsey. small LARGE

Placopsis

Placopsis gelida. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small LARGE

Placopsis lambii. M J Simms. on siliceous volcaniclastics, Afon Treweunydd, Snowdonia, North Wales. small LARGE

Placopsis lambii. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Placopsis lambii. M Sutcliffe. On basalt. Teesdale, England. small LARGE small LARGE

habitat

Placopyrenium

Placopyrenium fuscellum. M Sutcliffe. On mortar of roadside wall with Caloplaca flavescens. Score Valley, Ilfracombe, Devon. small LARGE

Placynthiella

Placynthiella icmalea. M Sutcliffe. On dead pine leaves. The Wou, Kielder Forest, Northumberland. small LARGE

Placynthiella uliginosa. M Sutcliffe. On plant debris. Inverawe Country Park, Taynuilt, Scotland. small LARGE Section

Placynthium

Placynthium flabellosum. M J Simms. On rock. Afon Ysgethin, North Wales. small LARGE

Placynthium nigrum. M Sutcliffe. On mortar of sea wall. Ilfracombe, Devon, England. small LARGE

Platismatia

Platismatia glauca. M Sutcliffe. Shade morph on mossy oak trunk. Lochaline, Morvern, Scotland. small LARGE

Platismatia glauca (fertile). M Sutcliffe. On oak. Talladale, Loch Maree, Wester Ross. small LARGE

Platismatia glauca. M Sutcliffe. Exposed morph on sandstone. Pithouse Crag, Kielder Forest, Northumberland. small LARGE small LARGE

Platismatia glauca. Theresa Greenaway. Fallen twig. Holne Chase Wood, Devon. small LARGE

Platismatia norvegica. Neil Sanderson. On old birch. Eilean a' Ghiubhais, south of Loch Treig, Scotland. small LARGE

Pleurosticta acetabulum

Pleurosticta acetabulum. John Douglass. Kindrogan Field Centre, Perth and Kinross. small LARGE

Polyblastia

Polyblastia agraria. M Sutcliffe. On decaying mosses. Highcliffe Mine, Eyam, Derbyshire. small LARGE small LARGE Ascus

Polysporina
Polysporina lapponica is now re-named as Polysporina subfuscescens.

Polysporina simplex. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Polysporina subfuscescens. M Sutcliffe. Parasitic on Acarospora fuscata. Church window ledge, Leicestershire, England. small LARGE

Porina

Porina aenea. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE Small

Porina borreri. Neil Sanderson. On wound track on old beech, James Hill, New Forest. small LARGE

Porina hibernica. Neil Sanderson. On old oak, James Hill, New Forest. small LARGE

Porina linearis. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Porina rosei. Ray Woods. Stanner NNR, Radnorshire, Wales. small LARGE

Porina rosei. Neil Sanderson. On old Oak. James's Hill, New Forest. small LARGE

Porina rosei. Neil Sanderson. On old oak, James Hill, New Forest. small LARGE

Porocyphus

Porocyphus kenmorensis. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland. small LARGE

Porpidia

Porpidia cinereoatra. M Sutcliffe. small LARGE

Porpidia crustulata. M Sutcliffe. On granite. Summit of Ben Rinnes, Aberdeenshire. small LARGE

Porpidia flavocruenta. Alan Fryday. small LARGE

Porpidia islandica. Alan Fryday. small LARGE

Porpidia melinodes. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small LARGE

Porpidia nadvornikiana. Alan Fryday. small LARGE

Porpidia pachythallina. Alan Fryday. small LARGE

Porpidia platycarpoides M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small LARGE

Porpidia platycarpoides. M Sutcliffe. On coastal shale. Isle of Whithorn, Scotland. small LARGE small LARGE Ascus (K/I) and section

Porpidia rugosa. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE

Porpidia soredizodes. M Sutcliffe. Tombstone. Darlington, England. small LARGE

Porpidia speirea. M Sutcliffe. Limestone pebble. Teesdale, England. small LARGE

Porpidia striata. M Sutcliffe. On siliceous wall. Kindrogan Field Centre, Scotland. small LARGE

Porpidia striata. Alan Fryday. small LARGE

Porpidia superba f. sorediata. Alan Fryday. small LARGE

Porpidia tuberculosa (with Porpidia crustulata). M J Simms. On basalt. Glenhead, near Larne, Co. Antrim, N Ireland. small LARGE

Porpidia tuberculosa (purple). M Sutcliffe. On quartzite. Liathach, Torridon, Scotland. small LARGE Small LARGE Habitat

Porpidia tuberculosa. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Protoblastenia

Protoblastenia calva. M Sutcliffe. On Carboniferous limestone. Lathkill Dale, Derbyshire. small LARGE

Protoblastenia incrustans. Ray Woods. On limestone, Lathkill Dale, Derbyshire. small LARGE

Protoblastenia incrustans. M Sutcliffe. On limestone. Long Dale, Derbyshire. small LARGE

Protoblastenia rupestris. M Sutcliffe. On mortar. Stocksfield, Northumberland. small LARGE

Protoblastenia rupestris. M Sutcliffe. On limestone. Disused quarry, Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE

Protomicarea

Protomicarea limosa. Neil Sanderson. In late snow patch. Wells of Dee, Mar Lodge Estate. small LARGE

Protopannaria

Protopannaria pezizoides. M Sutcliffe. small LARGE

Protopannaria pezizoides. M J Simms. Hazel woodland. Termon, The Burren, Co. Clare. small LARGE

Protopannaria pezizoides. Dave Genney. Inverfarigaig, Invernesshire. small LARGE

Protoparmelia

Protoparmelia badia. M Sutcliffe. small LARGE

Protoparmelia badia. M Sutcliffe. On volcanic tuff. Bradgate park, Leicestershire. small LARGE

Protoparmelia badia. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE

Protoparmelia memnonia. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE small LARGE

Protoparmelia ochrococca. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE

Protoparmelia oleagina. Neil Sanderson. On dead branch on pine. Native pinewood, Moormore, Rothiemurchus. small LARGE

Pseudevernia

Pseudevernia furfuracea. M Sutcliffe. On gravestone, Simonburn, Northumberland, England. small LARGE

Pseudevernia furfuracea. M Sutcliffe. On fence post. Kilhope Moor, Co Durham. small LARGE

Pseudocyphellaria

Pseudocyphellaria aurata. Peter Lambley. On coastal heath. St Martins, Isles of Scilly. small LARGE small LARGE small LARGE

Pseudocyphellaria crocata. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland. small LARGE

Pseudocyphellaria crocata. M Sutcliffe. Coille an leathraich woodland, Raasay, Scotland. small LARGE

Pseudocyphellaria intricata. M Sutcliffe. On mossy rocks in woodland. Lochaline, Scotland. small LARGE

Pseudocyphellaria intricata. Neil Sanderson. Atlantic hazel wood. Cathair Chimain, The Burren, Ireland. small LARGE

Pseudocyphellaria intricata. Neil Sanderson. On hazel in hazel-ash wood, Coille Thogabhaig, Skye. small LARGE

Pseudocyphellaria lacerata. Andy Cross. On coastal rock. South Kintyre, Scotland. small LARGE

Psilolechia

Psilolechia clavulifera. Mark Powell. On upturned rootplate of windblown tree, Cooper's Hill, Ampthill, Bedfordshire. small LARGE

Psilolechia clavulifera. Mark Powell. On upturned larch rootplate. Horton Woods, Northamptonshire. small LARGE

Psilolechia leprosa. B J Coppins. On wall of cave of copper mine. Tomnadashan Mine SSSI, Scotland. small LARGE

Psilolechia leprosa. Don Smith. small LARGE

Psilolechia leprosa. M Sutcliffe. On church wall beneath copper lantern. Leicestershire. small LARGE Habitat

Psilolechia lucida. M Sutcliffe. On gravestone, Darlington, England. small LARGE

Psilolechia lucida fertile. M Sutcliffe. On gravestone. St Michael's Church, Ingram, Northumberland. small LARGE

Psora

Psora decipiens. M Sutcliffe. On schist. Meall nan Tarmachan, Scotland. small LARGE

Psora lurida is now renamed as Romjularia lurida

Psoroglaena

Psoroglaena stigonemoides. David Hill. On mossy bark. small LARGE

Psoroma

Psoroma hypnorum. M Sutcliffe. On mossy waterside wall, Glen Quoich, Braemar, Scotland. small LARGE

Punctelia

Punctelia borreri. M Sutcliffe. Deciduous tree. Ilfracombe, Devon. small LARGE

Punctelia jeckeri (formerly ulophylla). M Sutcliffe. On oak (with H. revoluta). Ulverscroft, Leicestershire, England. small LARGE

Punctelia jeckeri. M J Simms. On Sycamore. Garristown, Co. Dublin, Ireland. small LARGE

Punctelia jeckeri . M Sutcliffe. On sycamore. Ingram, Northumberland. small LARGE

Punctelia reddenda. M Sutcliffe. On oak. New Forest, Hampshire. small LARGE

Punctelia subrudecta. M Sutcliffe. On oak. Ulverscroft, Leicestershire, England. small LARGE

Punctelia subrudecta. M J Simms. On wooden bridge. Muckno Lake, Castleblayney, Co. Monaghan, Ireland. small LARGE

Punctelia subrudecta. Jeff Blincow. On deciduous tree, Gayton, Northampton, England. small LARGE

Pycnora

Pycnora sorophora. Neil Sanderson. On high cut pine stump. Native pinewood, Rothiemurchus. small LARGE

Pycnora xanthococca (showing Pd+ yellow). Neil Sanderson. On standing dead pine. Allt nam Bo, Glen Feshie. small LARGE

Pycnothelia

Pycnothelia papillaria M Sutcliffe. On upland heath. Ward hill, Isle of Hoy, Scotland. small LARGE

Pycnothelia papillaria. Neil Sanderson. In open short heath. White Moor, New Forest. small LARGE.

Pyrenula

Pyrenula acutispora. Neil Sanderson. on Hazel, Slievecarran, above St Mac Duach's Church, The Burren, Ireland. small LARGE

Pyrenula chlorospila. M J Simms. On Hazel. Townley Hall Forest Park, Co. Meath, Ireland. small LARGE

Pyrenula chlorospila. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire. small LARGE

Labels

Pyrenula chlorospila. Neil Sanderson. On fallen beech. The Ridge, Busketts Wood, New Forest. small LARGE

Pyrenula hibernica. M J Simms. On dead rowan. Gortlecka, The Burren, Ireland. small LARGE

Pyrenula hibernica. Neil Sanderson. On hazel. Slievecarran, The Burren, Co. Clare, Ireland. small LARGE

Pyrenula hibernica. Neil Sanderson. On hazel. Dark coloured shade form with immersed perithecia. Ceunant Llennyrch, Meirionnydd, Wales. small LARGE

Pyrenula laevigata. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small LARGE

Pyrenula laevigata. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland. small LARGE

Pyrenula macrospora. M Sutcliffe. On sycamore in dense woodland, Ilfracombe, Devon. small LARGE

Pyrenula macrospora. M Sutcliffe. On sycamore. Ballygrant, Islay. small LARGE Ascus and spores

Pyrenula nitida. John Norton. On ancient beech. Wood crates, New Forest, England. small LARGE

Pyrenula occidentalis. M Sutcliffe. On ash. Lochaline, Argyll, Scotland. small LARGE

Pyrenula occidentalis. M J Simms. On hazel. Coskeam, The Burren, Ireland. small LARGE

Skyttea pyrenulae. M Sutcliffe. Parasitizing Pyrenula occidentalis. Raasay, Scotland. small LARGE small LARGE

Pyrrhospora

Pyrrhospora quernea. M Sutcliffe. On base of mature alder. Whitchester Moor, Northumberland, England. small LARGE

Racodium

Racodium rupestre. M Sutcliffe. On rock. small LARGE micropic showing linear arrangement of hyphae.

Ramalina

Ramalina canariensis. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England. small LARGE Habitat

Ramalina canariensis. M Sutcliffe. Kynance Cove. small LARGE

Ramalina cuspidata. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland. small LARGE

Ramalina farinacea. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England. small LARGE

Ramalina fastigiata. M Sutcliffe. On oak twig. Ilfracombe, Devon, England. small LARGE

Ramalina fastigiata. M Sutcliffe. Sycamore (Acer). Ilfracombe, Devon, England. small LARGE

Ramalina fastigiata. Sarah Lovett. On hawthorn. West Somerset, England. small LARGE

Ramalina fraxinea. M Sutcliffe. On rowan. Pitlochry, Scotland. small LARGE

Ramalina fraxinea. M Sutcliffe. On broadleaved tree. Near Strathdon, Aberdeenshire. small LARGE

Ramalina lacera. Ray Woods. On oak weatherboards of old barn, Beulah, Brecknock, Wales. small LARGE

Ramalina siliquosa. M Sutcliffe. Coastal rocks. Arran, Scotland. small LARGE

Ramalina subfarinacea. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland. small LARGE

Ramalina subfarinacea. M Sutcliffe. On ruined building. Raasay, Scotland. small LARGE small LARGE

Ramonia

Ramonia chrysophaea. Neil Sanderson. Base rich oak bark. Outwood, Langley Wood NNR, Wiltshire. small LARGE

Rhizocarpon

Rhizocarpon cinereovirens. Alan Fryday. small LARGE

Rhizocarpon eupetraeoides. M Sutcliffe. On granite (summit scree). Ben Rinnes, Aberdeenshire. small LARGE Spores Habitat

Rhizocarpon furfurosum. B J Coppins. On vertical rock faces of old copper mine. Tomnadashan Mine SSSI, Scotland. small LARGE

Rhizocarpon gemminatum. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE

Rhizocarpon geographicum. M Sutcliffe. On whin sill, Sewingshield crag, Northumberland, England. small LARGE

Rhizocarpon lecanorinum. M Sutcliffe. On sandstone. Ward Hill, Isle of Hoy, Scotland. small LARGE

Rhizocarpon oederi. M Sutcliffe. On basalt. Teesdale, England. small LARGE

Rhizocarpon petraeum. Dave Genney. small LARGE

Rhizocarpon reductum. M Sutcliffe. On tombstone. Darlington, England. small LARGE

Rhizocarpon ridescens. B J Coppins. Creag Choinnich, Braemar, Scotland. small LARGE

Rhizocarpon ridescens. Katie Grundy. Creag Choinnich, Braemar, Scotland. small LARGE

Rhizocarpon ridescens. Heleen Plaisier. Creag Choinnich, Braemar, Scotland. small LARGE small LARGE

Rimularia

Rimularia furvella. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small LARGE

Rimularia gyrizans. Steve Price. On sandstone. Callow Bank, Derbyshire. small LARGE

Rimularia intercedens. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small LARGE

Rinodina

Rinodina efflorescens. John Norton. Parasitised by Melaspilea ochrothalamia. On young oak. Wood crates, New Forest, England. small LARGE

Rinodina oleae. M Sutcliffe. On old wall. Allensford, Durham, England. small LARGE

Rinodina oleae. M Sutcliffe. On wall. The rose garden, Saltwell Park, gateshead, England. small LARGE

Rinodina roboris. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England. small LARGE Small LARGE

Rinodina sophodes. M Sutcliffe. On oak twig. Ilfracombe, Devon, England. small LARGE

Rinodina sophodes. M Sutcliffe. On aspen. Portsoy, Aberdeenshire, Scotland. small LARGE

Roccella

Roccella fuciformis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon. small LARGE

Roccella fuciformis. Peter Lambley. Tresco, Isles of Scilly. small LARGE

Roccella phycopsis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon. small LARGE

Roccella phycopsis. Theresa Greenaway. St Davids, Pembrokeshire, Wales. small LARGE

Romjularia

Romjularia lurida. Ndurie Abah. On limestone. Cave Dale, Castleton, Derbyshire. small LARGE

Roselliniella

Roselliniella sp. Neil Sanderson. Parasitic on Pertusaria pertusa North of Allum Green, New Forest. small LARGE
A strict parasite of Pertusaria pertusa, with a single perithecia taking over a fertile wart. Spores brown, 16 - 24 x 12 µm. Mainly simple (but a few spores with septa near one end) so far only collected from slow growing, old beeches in the New Forest and Melbury Park. Any collections from other areas welcomed by Neil Sanderson.

Sagiolechia

Sagiolechia protuberans. Mark Powell. On shady limestone crags. Upper Wharfedale, Yorkshire. small LARGE Spores

Sarcogyne

Sarcogyne privigna. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE small LARGE

Sarcogyne regularis. M Sutcliffe. On mortar. Stocksfield, Northumberland. small LARGE

Sarcogyne regularis. M Sutcliffe. On mortar. Near Lathkill Dale, Derbyshire. small LARGE Multi-spored ascus

Sarcosagium

Sarcosagium campestre var. campestre. M Sutcliffe. On mine spoil, Derbyshire. small LARGE

Schaereria

Schaereria cinereorufa. M Sutcliffe. On granite. Ben Rinnes, Aberdeenshire, Scotland. small LARGE small LARGE Ascus (K/I stain)

Schaereria fuscocinerea. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales. small LARGE Ascus (KI) and spore

Schismatomma

Schismatomma decolorans. M Sutcliffe. On oak. Great Wood, Eggleston, Durham. small LARGE

Schismatomma decolorans. M J Simms. small LARGE

Schismatomma decolorans (fertile). Neil Sanderson. Fertile and sterile thalli on old beech, New Forest. small LARGE

Schismatomma decolorans. N Sanderson. On ancient oak (Partly invading Enterographa crassa). Medieval deer park, Prak Hill, Abbeyleix, Co Laois, Ireland. small LARGE

Schismatomma graphidioides. Stewart Taylor. On aspen. Abernethy Forest. Scotland. small LARGE

Schismatomma quercicola. N Sanderson. On birch (with Graphina ruiziana) in oak-birch pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland. small LARGE

Schismatomma umbrinum. N Sanderson. On dry overhung acid rock in upland pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland. small LARGE small LARGE

Sclerococcum

Sclerococcum griseisporodochium. M Sutcliffe. Showing pale mauve soredia. On Opegrapha dolomitica. Yew crags, West Allendale, Northumberland. small LARGE

Sclerococcum sphaerale. Neil Sanderson. Parasitic on Pertusaria corallina. Bluestone, Mynydd Preseli, Pembrokeshire. small LARGE

Sclerophora

Sclerophora peronella. Neil Sanderson. On wound track on birch, Kennapole Hill, Loch an Eilein, Rothiemurchus. small LARGE small LARGE

Scoliciosporum

Scoliciosporum chlorococcum. Mark Powell. On dead hawthorn twigs. Riseley, Bedfordshire. small LARGE Spores

Scoliciosporum curvatum. Mark Powell. On yew twig. Derwen churchyard, Denbighshire. small Ascus

Scoliciosporum pruinosum. M Sutcliffe. On SE-facing unshaded sycamore trunk. Longhirst, Northumberland. small LARGE

Scoliciosporum umbrinum. M Sutcliffe. On rusty cattle grid. Teesdale, Durham, England. small LARGE Habitat

Scoliciosporum umbrinum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE

Skyttea (parasitic fungi)

Skyttea pyrenulae. M Sutcliffe. Parasitizing Pyrenula occidentalis. Raasay, Scotland. small LARGE small LARGE

Solenopsora

Solenopsora candicans. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight. small LARGE

Solenopsora candicans. M Sutcliffe. On dolomatised carboniferous limestone. Harboro rocks, Derbyshire. small LARGE

Solenopsora candicans. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire. small LARGE

Solenopsora holophaea. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight. small LARGE

Solenopsora liparina. Peter Lambley. Kynance Cove, The Lizard, Cornwall. small LARGE

Solenopsora vulturiensis. M Sutcliffe. On coastal shale. Ilfracombe, Devon. small LARGE

Solenopsora vulturiensis. M J Simms. On damp coastal cliff, Waterloo, Larne, Co. Antrim, N Ireland. small LARGE

Solorina

Solorina crocea. M Sutcliffe. On montane heath. Ben Lawers, Scotland. small LARGE

Solorina crocea. Dave Genney. small LARGE

Solorina saccata. M Sutcliffe. On calcareous grassland. Cronkley Fell, Teesdale, County Durham. small LARGE

Solorina saccata. M Sutcliffe. On limestone cliff. Lismore Island, Scotland. small LARGE

Solorina saccata. M J Simms. On limestone wall. Kilcorney, The Burren, Ireland. small LARGE

Solorina saccata. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland. small LARGE

Solorina saccata. M Sutcliffe. On limestone. Lathkill Dale, Derbyshire. small LARGE small LARGE

Solorina spongiosa. Kery Dalby. From near the Gaur hydroelectric station, Rannoch, Perthshire. small LARGE

Sphaerophorus

Sphaerophorus fragilis. D Genney. small LARGE

Sphaerophorus fragilis. M Sutcliffe. On siliceous rock. Rannerdale Knotts, Cumbria. small LARGE Small LARGE Small LARGE

Sphaerophorus globosus. M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland. small LARGE

Sphinctrina

Sphinctrina tubiformis. Neil Sanderson. On Pertusaria leioplaca high up trunk of ancient beech. Busketts Wood, New Forest. small LARGE small LARGE

Squamarina

Squamarina cartilaginea. M Sutcliffe. On limestone cliff. Lismore Island, scotland. small LARGE

Squamarina lentigera. Peter Lambley. On open calcareous grassland. Breklands, Suffolk. small LARGE

Stenocybe (not lichenized)

Stenocybe nitida. M Sutcliffe. In moss on oak. Gleann Dubh, Morvern, Scotland. small LARGE

Stereocaulon

Stereocaulon dactylophyllum. Maxine Putnam. Haytor. Dartmoor, Devon. small LARGE small LARGE

Stereocaulon dactylophyllum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland. small LARGE

Stereocaulon glareosum. Ray Woods. With pale cephalodia. On the lead-rich tips of the Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales. small LARGE

Stereocaulon leucophaeopsis. M Sutcliffe. On old wall. Raasay, Scotland. small LARGE

Stereocaulon nanodes. M J Simms. On weathered tarmac. Waterloo, Larne, Co. Antrim, N Ireland. small LARGE

Stereocaulon pileatum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland. small LARGE

Stereocaulon vesuvianum. D Genney. small LARGE

Stereocaulon vesuvianum fertile. M Sutcliffe. On sandstone. Cronkley Fell, Teesdale, England. small LARGE

Sticta

Sticta canariensis (cyanobacterial morph). M Sutcliffe. On siliceous rock outcrop in woodland. Lochaline, Morvern, Scotland. small LARGE

Sticta canariensis (cyanobacterial and green algal morphs). M Sutcliffe. On very shaded conglomerate outcrop under woodland. Dunstaffnage Castle. Dunbeg, Scotland. small LARGE

Sticta canariensis (cyanobacterial and green algal morphs). M J Simms. On damp basalt cliff, South Woodburn Glen, Carrickfergus, Co. Antrim. small

Sticta fuliginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE

Sticta fuliginosa. Neil Sanderson. On wound track on birch, Falls of Falloch, Glen Falloch, West Perthsire. small LARGE

Sticta limbata. M Sutcliffe. On mossy coastal rocks, Imachar point, Isle of Arran, Scotland. small

LARGE

Sticta limbata. M Sutcliffe. On magnolia. Brodick Castle, Isle of Arran, Scotland. LARGE

Sticta sylvatica. M Sutcliffe. On sycamore, Brodick Castle, Isle of Arran, Scotland. small LARGE

Strangospora

Strangospora moriformis. M Sutcliffe. On decorticated Scot's pine. Glen Quoich, Braemar, Scotland. small

Strigula

Strigula tagananae. Neil Sanderson. On old hazel. Termon, The Burren, Ireland. small LARGE

Strigula taylorii. Neil Sanderson. On beech in wound track. Shave Wood, New Forest. small LARGE

Synalissa

Synalissa ramulosa. Neil Sanderson. On Psora lurida limestone slab, old quarries, Portland Bill, England. small LARGE

Teloschistes

Teloschistes chrysophthalmus. Jeremy Gray. On dead, fallen apple tree. Herefordshire, England. small LARGE small LARGE

Teloschistes chrysophthalmus. Paul Whelan. On hawthorn. Co Cork, Ireland. small LARGE

Teloschistes flavicans. M Sutcliffe. On serpentine. The Lizard, Cornwall, England. small LARGE Habitat

Teloschistes flavicans. Mike Smith. Bardsey Island, Wales. small LARGE

Teloschistes flavicans. Peter Lambley. On coastal heath. Castle Down, Tresco, Isles of Scilly. small LARGE

Tephromela

Tephromela atra. M Sutcliffe. On siliceous wall, Simonburn, Northumberland, England. small LARGE MATURE

Tephromela atra. Dave Genney. Coastal boulder. W Scotland. small LARGE

Tephromela atra var torulosa. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE

Thamnolia

Thamnolia vermicularis var. subuliformis. M Sutcliffe. On montane heath. Ben Lawers, Scotland. small LARGE

Thamnolia vermicularis var. subuliformis. D Genney. small LARGE

Thelidium

Thelidium decipiens. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Thelidium papulare. Steve Price. On carboniferous limestone. Peter Dale, Derbyshire. small LARGE

Thelidium papulare. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire. small LARGE

Thelocarpon

Thelocarpon coccosporum. M Sutcliffe. On sandstone headstone. Whitfield Churchyard. Northumberland. small LARGE

Thelocarpon olivaceum. B J Coppins. On basalt stones in cutting, N-facing slope. small LARGE

Thelopsis

Thelopsis rubella. John Norton. On beech. Wood crates, New Forest, England. small LARGE

Thelotrema

Thelotrema lepadinum. M Sutcliffe. small LARGE

Thelotrema lepadinum. M Sutcliffe. On oak. Baldersdale Wood SSSI, Co Durham. small LARGE

Thelotrema petractoides. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small LARGE

Thrombium

Thrombium epigaeum. M Sutcliffe. On soil. Along path to Penrhyn Castle, North Wales. small LARGE Ascus and spore Habitat

Toninia

Toninia aromatica. M Sutcliffe. On flushed, coastal basalt. East Lothian, Scotland. small LARGE

Toninia aromatica. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small LARGE

Toninia episema. David Hill. On Aspicilia calcarea. small LARGE

Toninia sedifolia. M Sutcliffe. On flushed basalt sea cliff. East Lothian, Scotland. small LARGE

Toninia sedifolia. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire. small LARGE

Toninia verrucarioides. M Sutcliffe. On Placynthium nigrum. Lathkill Dale, Derbyshire. small LARGE

Trapelia

Trapelia coarctata. M Sutcliffe. On sandstone pebble, forest track. Kielder Forest, Northumberland. small LARGE

Trapelia corticola. M Sutcliffe. On oak. Great Wood, Egglestone, Durham, England. small LARGE

Trapelia corticola. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE

Trapelia glebulosa (previously involuta). M Sutcliffe. In sheltered niche on sea stack. Imachar point, Isle of Arran, Scotland. small LARGE

Trapelia glebulosa. M J Simms. small LARGE

Trapelia glebulosa. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Trapelia obtegens. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Trapelia placodioides. M Sutcliffe. On sandstone. Teesdale, Durham. small LARGE

Trapelia placodioides. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Trapeliopsis

Trapeliopsis flexuosa. M Sutcliffe. On oak lignum. Rudha na Gailich, Jura, Scotland. small LARGE

Trapeliopsis flexuosa. M J Simms. On wooden post. Glenhead, near Larne, Co. Antrim, N Ireland. small LARGE

Trapeliopsis granulosa. M Sutcliffe. On rotten wood. Kielder Forest, Northumberland, England. small LARGE

Trapeliopsis granulosa. M Sutcliffe. On root plate of wind-blown pine. Kielder Forest, Northumberland, England. small LARGE

Trapeliopsis granulosa. M Sutcliffe. On oak lignum. Old deer park, Chatsworth, Derbyshire. small LARGE

Trapeliopsis pseudogranulosa. M Sutcliffe. On Alder. Whitchester Moor, Northumberland, England. small LARGE

Trapeliopsis pseudogranulosa. Dave Genney. Scotland. small LARGE

Tremolecia

Tremolecia atrata. M Sutcliffe. On granite boulder, Mar Lodge Estate, Braemar, Scotland. small LARGE

Tuckermannopsis

Tuckermannopsis chlorophylla. M Sutcliffe. On broadleaved tree. Ilfracombe, Devon, England. small LARGE

Tuckermannopsis chlorophylla. Dave Genney. Scotland. small LARGE Small LARGE

Tylophoron

Tylophoron hibernicum. Neil Sanderson. Overgrowing Lecanactis abietina on dry side of old oak, ravine edge in parkland, Glenarm Great Deer Park, Antrim, Northern Ireland. small LARGE

Tylophoron hibernicum. Alan Hale. Cwlm Cletwr in North Ceredigion, Wales. small LARGE

Umbilicaria

Umbilicaria crustulosa. David Clarke. Langdale, Cumbria. small LARGE

Umbilicaria cylindrica. M Sutcliffe. On sandstone, Upper Teesdale, Durham, England. small LARGE Apothecia

Umbilicaria cylindrica. Dave Genney. Scotland. small LARGE

Umbilicaria deusta. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England. small LARGE

Umbilicaria deusta. Steve Price. With Parmotrema perlatum. Burbage Brook, Sheffield. small LARGE

Umbilicaria polyphylla. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England. small LARGE

Umbilicaria polyrrhiza. M Sutcliffe. On sandstone, Muckle Moss, Northumberland, England. small LARGE

Umbilicaria polyrrhiza. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland. small LARGE

Umbilicaria torrefacta. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland. small LARGE lower surface Habitat

Usnea

Usnea articulata. M J Simms. On conifer, Minterne Magna Gardens, Dorset, England. small LARGE

Usnea articulata. Robin Crump. Wales. small LARGE small LARGE

Usnea articulata. Steve Price. Holkham Dunes, Norfolk. small LARGE

Usnea ceratina. Robin Crump. Wales. small small LARGE

Usnea ceratina. Neil Sanderson. On oak. Mark Ash wood, New Forest. small LARGE

Habitat

Usnea ceratina fertile. Maxine Putnam. On a large. Twitchen, North Molton, Devon. small LARGE

Usnea cornuta. Robin Crump. Wales. small LARGE small LARGE

Usnea filipendula. M Sutcliffe. On beech. Pentland Hills, Scotland. small LARGE

Usnea florida. Robin Crump. Wales. small LARGE small LARGE

Usnea florida. M Sutcliffe. On apple. Glynhir Mansion, Llandybie, Carmarthenshire. small LARGE

Usnea glabrescens. Neil Sanderson. On oak. Derrybawn, Glendalough, Wicklow, Ireland. small LARGE small LARGE

Usnea hirta. M Sutcliffe. On beech. Pentland Hills, Scotland. small LARGE small LARGE

Usnea rubicunda. M J Simms. On hawthorn. Berneens, The Burren, Ireland. small LARGE

Usnea subfloridana (fertile). M Sutcliffe. Scotland. small LARGE

Usnea subfloridana. M Sutcliffe. On birch. Raasay, Scotland. small LARGE

Biatoropsis usnearum. M Sutcliffe. Parasitizing Usnea subfloridana. Raasay, Scotland. small LARGE

Kalchbrenneriella cyanescens. M Sutcliffe. Parasitic on Usnea flammea. Rudha na Gailich, Jura, Scotland. small LARGE

Vahliella

Vahliella atlantica. M Sutcliffe. On sea cliff. Rackwick, Isle of Hoy, Scotland. small LARGE

Verrucaria

Verrucaria amphibia. M Sutcliffe. On basalt, littoral zone. East Lothian, Scotland. small LARGE

Verrucaria baldensis. M Sutcliffe. On limestone wall. Finlaggan, Islay, Scotland. small LARGE

Verrucaria caerulea. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Verrucaria calciseda is now Bagliettoa calciseda

Verrucaria fuscella is now re-named as Placopyrenium fuscellum

Verrucaria latericola. Steve Price. On limestone outcrop. Sandpoint, Somerset. small LARGE

Verrucaria maura. M Sutcliffe. On tidal rocks. Am Scriodan, Isle of Arran, Scotland. small LARGE

Verrucaria mucosa. M Sutcliffe. On wave-polished serpentine below barnacle zone. Kynance cove, The Lizard, Cornwall. small LARGE Habitat

Verrucaria mucosa. M Sutcliffe. small LARGE small

Verrucaria mucosa. M Sutcliffe. On sandstone. Redpoint beach, near Gairloch, Scotland. Habitat

Verrucaria nigrescens. M Sutcliffe. On siliceous tombstone. Darlington, England. small LARGE

Verrucaria pinguicula. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Vezdaea

Vezdaea aestivalis. M Sutcliffe. Derbyshire. small LARGE

Vezdaea aestivalis (older specimen). M Sutcliffe. Overgrowing mosses on limestone wall. Malham moss tarn, West Yorkshire. small LARGE

Vezdaea cobria. National Museum of Wales. Medium

Vezdaea rheocarpa. National Museum of Wales. Medium

Violella

Violella fucata. M Sutcliffe. On birch. Ardnahoe Loch, Islay, Scotland. small LARGE

Vulpicida

Vulpicida pinastri. M Sutcliffe. On pine stump. Kindrogan Field Centre, Scotland. small LARGE

Xanthoparmelia

Xanthoparmelia conspersa. M Sutcliffe. Thirlmere, Cumbria, England. small LARGE

Xanthoparmelia conspersa. M Sutcliffe. On coastal boulders. Drumadoon point, Arran, Scotland. small LARGE

Xanthoparmelia conspersa. M Sutcliffe. On sandstone, High Rigg, Keswick, Cumbria. small LARGE

Xanthoparmelia loxodes. Ray Woods. Cwm Berwyn, Radnorshire, Wales. small

Xanthoparmelia loxodes. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE small LARGE

Xanthoparmelia mougeotii. M J Simms. On granite, Knockiveagh, Co. Down, N Ireland. small LARGE

Xanthoparmelia mougeotii. M Sutcliffe. On granite. Raasay, Scotland. small LARGE

Xanthoparmelia mougeotii. M Sutcliffe. On pine garden seat. Brackenrigg, Keswick, Cumbria. small LARGE

Xanthoparmelia mougeotii. F G Jones. Gwaith copper mine. Nant Ffrancon, Wales. small LARGE

Xanthoparmelia verruculifera. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Xanthoria

Xanthoria aureola. M Sutcliffe. On coastal rock. Rudha na Gailich, Jura, Scotland. small LARGE

Xanthoria aureola. M Sutcliffe. On coastal rocks. Lismore Island, scotland. small LARGE

Xanthoria calcicola. Jeff Blincow. On gravestone, Brafield, Northampton, England. small LARGE

Xanthoria calcicola. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Xanthoria candelaria. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland. small LARGE

Xanthoria candelaria. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE

Xanthoria elegans. M Sutcliffe. On siliceous wall. Kindrogan Field Centre, Scotland. small LARGE

Xanthoria elegans. M J Simms. On concrete wall, foot of Slieve Croob, Co. Down, Northern Ireland. small LARGE

Xanthoria elegans. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Xanthoria parietina. M Sutcliffe. On painted railing. Saltwell Road, Gateshead, England. small LARGE

Xanthoria parietina . M Sutcliffe. On serpentine. Near Kynance cove, Cornwall, England. small LARGE Small LARGE

Xanthoria parietina. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Xanthoria parietina. M Sutcliffe. Shade form on sycamore. Teesdale, England. small LARGE

Xanthoria polycarpa. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland. small LARGE

Xanthoria polycarpa. M Sutcliffe. On broadleaved twig (With X. parietina lobe upper right). Saltwell Park, Gateshead, England. small LARGE Small LARGE

Xanthoria ucrainica. M Sutcliffe. On volcanic tuff. Bradgate park, leicestershire. small LARGE

Xanthoria ulophyllodes. John Douglass. Near Carham, Northumberland. small LARGE

Xanthoria ulophyllodes. John Douglass. Kindrogan Field Centre, Perth and Kinross. small LARGE

Xerotrema

Xerotrema megalospora. Neil Sanderson. On standing dead pine. Native pinewood, Allt nam Bo, Glen Feshie. small LARGE

Xerotrema quercicola (with Imshaugia aleurites). Neil Sanderson. On vertical lignum on fallen dead oak. Denny Wood, New Forest. small Large

Xerotrema quercicola. N Sanderson. On fallen oak. Powerscourt Deer Park, Wicklow, Ireland. small LARGE

Xylographa

Xylographa parallela. M Sutcliffe. On decorticated pine. Braemar, Scotland. small LARGE

Xylographa vitiligo. M Sutcliffe. On decorticated pine. Braemar, Scotland. small LARGE Small LARGE