British Lichens

Species Gallery

Shortcuts to genera: A B C D E F G H I L M N O P R S T U V X

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So far 605 species (200 genera). Species names have been updated and follow The Lichens of Great Britain and Ireland.

What's new this month? February 2010:- 13 new species, 2 existing species:-

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

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

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

Ramonia chrysophaea. Neil Sanderson. Base rich oak bark. Outwood, Langley Wood NNR, Wiltshire. small LARGE

Usnea articulata. Steve Price. Holkham Dunes, Norfolk. small LARGE

Xerotrema quercicola. Neil Sanderson. On standing dead Oak. Ashurst Wood, New Forest. small

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

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

Thelocarpon coccosporum. M Sutcliffe. On sandstone headstone. Whitfield Churchyard. Northumberland. small LARGE

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

Porpidia crustulata. M Sutcliffe. On granite. Summit of Ben Rinnes, Aberdeenshire. small LARGE

Catapyrenium squamulosum. Charles David. On earth filling in the walls at Vale Castle, Guernsey. small LARGE

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

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Acarospora

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

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

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

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

Acrocordia

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

Agonimia

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

Arctoparmelia

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

Arthonia

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

Arthonia cinnabarina. M Sutcliffe. On bark, The Cairn, Ilfracombe, Devon, England small LARGE

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

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

Arthonia vinosa. S Davey. small LARGE

Arthonia zwackhii N Sanderson. Parasite on Phlyctis argena. On ancient beech, New Forest. small LARGE

Arthonia zwackhii. N Sanderson. Parasitic 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

Arthrorhaphis

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

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

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

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 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 viridifarinosa. Simon Davey. Parham Park, West Sussex. 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

Biatorella

Biatorella fossarum. N Sanderson. On compacted soil in old limestone quarries. Portland Bill, England. 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

Botryolepraria

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

Bryoria

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. Mike 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 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

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

Caloplaca

Caloplaca arnoldii. 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 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 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 holocarpa. 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 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 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. Mike 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 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

Candelaria

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

Candelariella

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 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. David Genney. small

Catapyrenium squamulosum. Charles David. On earth filling in the walls at Vale Castle, Guernsey. small LARGE

Catillaria

Catillaria alba. M Sutcliffe. On ancient oak lignum. Old deer park, Chatsworth, Derbyshire. small LARGE

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. N Sanderson. On ancient Salix Caprea ssp sphacelata. Creag Meagaidh. Scotland. small LARGE

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. Herbarium sample from summit rocks. Beinn Alligin, Torridon, Scotland. small LARGE

Cetraria sepincola. D Genney. Scotland. small LARGE

Cetrelia

Cetrelia olivetorum. M Sutcliffe. On mossy oak trunk. Lochaline, Morvern, Scotland. 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 root of wind blown pine. Kindrogan Field Centre, Scotland. small LARGE

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

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

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

Cladonia

Cladonia bellidiflora. Jim Deacon. small

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

Cladonia caespiticia. Dave Genney. Scotland. small LARGE

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

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

Cladonia coccifera. P Jackson. small

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

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

Cladonia gracilis. N 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. Base of tombstone. Cemetery, Darlington, England. 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 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. Sandstone. Kielder Forest, Northumberland. small LARGE

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 sulphurina. M Sutcliffe small LARGE

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

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

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 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. Mike 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 crispum. Mike 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. Mike Sutcliffe. on sycamore. Gairloch, Wester Ross, Scotland. small LARGE

Collema furfuraceum. Dave Genney. Scotland. small LARGE

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

Collema multipartitum. Mike 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. Mike Sutcliffe. on stream-side serpentine outcrop. Kynance cove, Cornwall, England. small LARGE Small LARGE

Cornicularia

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

Cornicularia normoerica. 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

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 LARGE small

Cyphelium tigillare. 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 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

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 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 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

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

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

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 LARGE 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

Diplotoma

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

Diplotoma alboatrum. M Sutcliffe. On serpentine cliff above High Water Mark. Kynance cove, The Lizard, Cornwall. England. 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. 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. N Sanderson. On ancient beech (wound track). New Forest, Hampshire. small LARGE Labels

Enterographa hutchinsiae. N 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). N Sanderson. On oak. New Forest, Hampshire. small LARGE

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

Enterographa sorediata. N 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

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

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

Fulgensia

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

Fuscidea

Fuscidea cyathoides. N Hodgetts small LARGE

Fuscidea cyathoides. M Sutcliffe. On sandstone, Kielder Forest, Northumberland. 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 praeruptorum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small LARGE 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

Graphis

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 ulmi. N Hodgetts. small LARGE

Gyalidiopsis

Gyalidiopsis muscicola. Dave Genney. Scotland. small LARGE

Haematomma

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

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 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 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 Habitat

Hypotrachyna revoluta. M Sutcliffe. small LARGE

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

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

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

Lecania

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

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

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

Lecanora

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

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

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

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

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 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. Dave Genney. Scotland. small LARGE

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

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

Lecanora muralis. M Sutcliffe. On painted railing. Saltwell Road, 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 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 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 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. M Sutcliffe small LARGE

Lecidea fuscoatra. 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 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

Lecidella

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

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

Lepraria

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

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 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 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 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). N Sanderson. On oak. Clovelly, Devon. small LARGE

Lobaria

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

Lobaria amplissima. (dry). N 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. 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

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 N 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 N Sanderson. On moss on old ash. New Forest. 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 subsp fuliginosa. M Sutcliffe small LARGE

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

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

Melanelixia subaurifera. Mike 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 laciniatula. M Sutcliffe. On beech. Edinburgh. small LARGE

Melaspilea

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

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

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

Miriquidica

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

Moelleropsis

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

Mycoblastis

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

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

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

Mycoporum

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

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

Normandina

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

Ochrolechia

Ochrolechia androgyna. M Sutcliffe small LARGE

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

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

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

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

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

Opegrapha rupestris. M Sutcliffe. Parasitic on Verrucaria baldensis, on limestone. Wolfscote Dale, Hartington, Derbyshire. 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 vulgata. M Sutcliffe. Shaded mature sycamore. Brodick Castle, Isle of Arran, Scotland. small LARGE

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

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

Parmelina

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

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

Parmelinopsis

Parmelinopsis horrescens. Simon Davey. Ganllwyd NNR, Merionethshire. 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

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 reticulatum. John Norton. On beech. Wood crates, New Forest, England. 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 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 membranacea. M Sutcliffe. small LARGE

Peltigera membranacea. M Sutcliffe. On mossy rocks. Glen Quoich, braemar, Scotland. 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 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 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 var corallina. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE

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

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

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

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

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

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

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

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

Petractis

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

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 argena. M Sutcliffe. On broadleaved tree. small LARGE

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 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 tribacioides. M Sutcliffe. On serpentine. The Lizard, Cornwall, England. small LARGE Habitat

Physconia

Physconia distorta. M Sutcliffe 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 N Sanderson. On ash tree in old coppice. Fyfield Down, N Wiltshire. small LARGE

Pilophorus

Pilophorus strumaticus. Dave Genney. Scotland. small LARGE Small LARGE

Pilophorus strumaticus. M Sutcliffe. On granite. Dun Caan, Raasay, Scotland. small LARGE

Placidium

Placidium squamulosum. M Sutcliffe. On limestone. Lismore Island, Scotland. 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. Dave Genney. Scotland. small LARGE

Placopsis lambii. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Placopsis lambii. M Sutcliffe. On basalt. Teesdale, England. small LARGE

habitat

Placynthiella

Placynthiella icmalea. M Sutcliffe. On dead pine leaves. The Wou, Kielder Forest, Northumberland. small LARGE

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

Polysporina

Polysporina lapponica. M Sutcliffe. Parasitic on Acarospora fuscata. Church window ledge, Leicestershire, England. small LARGE

Polysporina simplex. Mike Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland. small LARGE

Porina

Porina aenea. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE Small

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

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 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 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. Mike 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

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 ochrococca. M Sutcliffe. On pine. Loch Maree, Scotland. 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 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. On old Oak. James's Hill, New Forest. small LARGE

Psilolechia

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

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

Pycnothelia

Pycnothelia papillaria M Sutcliffe. On upland heath. Ward hill, Isle of Hoy, Scotland.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. N Sanderson. On ancient beech (wound track). New Forest, Hampshire. small LARGE

Labels

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 macrospora. M Sutcliffe. On sycamore in dense woodland, Ilfracombe, Devon. small LARGE

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

Pyrrhospora

Pyrrhospora quernea. M Sutcliffe. On base of mature alder. Whitchester Moor, Northumberland, England. small LARGE

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 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

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 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. The Lion's face, Braemar, Scotland. small LARGE

Rimularia

Rimularia furvella. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. 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 phycopsis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon. small LARGE

Roccella phycopsis. Theresa Greenaway. St Davids, Pembrokeshire, Wales. 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.

Sarcogyne

Sarcogyne regularis. M Sutcliffe. On mortar. Stocksfield, Northumberland. small LARGE

Sarcosagium

Sarcosagium campestre var. campestre. M Sutcliffe. On mine spoil, Derbyshire. small LARGE

Schaereria

Schaereria cinereorufa. Mike Sutcliffe. On granite. Ben Rinnes, Aberdeenshire, Scotland. small LARGE small LARGE Ascus (K/I stain)

Schismatomma

Schismatomma decolorans. M Sutcliffe. On oak. Great Wood, Eggleston, Durham. small LARGE

Schismatomma decolorans. M J Simms. small LARGE

Schismatomma decolorans (fertile). N Sanderson. Fertile and sterile thalli on old beech, New Forest. small LARGE

Sclerococcum

Sclerococcum griseisporodochium. M Sutcliffe. Parasitic on Opegrapha dolomitica (pale mauve soredia). Yew crags, West Allendale, Northumberland. small LARGE

Scoliciosporum

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

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 holophaea. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight. 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

Squamarina

Squamarina cartilaginea. M Sutcliffe. On limestone cliff. Lismore Island, scotland. small LARGE

Stenocybe (not lichenised)

Stenocybe nitida. M Sutcliffe. In moss on oak. Gleann Dubh, Morvern, Scotland. small LARGE

Stereocaulon

Stereocaulon dactylophyllum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland. 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 dufourii. M Sutcliffe. On siliceous rock outcrop in woodland. Lochaline, Morvern, Scotland. small LARGE

Sticta dufourii. (with green algal morph) M Sutcliffe. On very shaded conglomerate outcrop under woodland. Dunstaffnage Castle. Dunbeg, Scotland. small LARGE

Sticta dufourii. (with green algal morph = S. canariensis lobules) 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 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

Synalissa

Synalissa ramulosa. N 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

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

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 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 J Simms. On wooden post. Glenhead, near Larne, Co. Antrim, N Ireland. small LARGE

Trapeliopsis granulosa. M Sutcliffe. On root plate of wind-blown pine. Kielder Forest, Northumberland, England. 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 atrata

Tremolecia atrata. M Sutcliffe. On granite boulder, Mar Lodge Estate, Braemar, Scotland. small LARGE

Tuckermanopsis

Tuckermanopsis chlorophylla. M Sutcliffe. On broadleaved tree. Ilfracombe, Devon, England. small LARGE

Tuckermanopsis chlorophylla. Dave Genney. Scotland. small LARGE Small LARGE

Umbilicaria

Umbilicaria cylindrica. M Sutcliffe. On sandstone, Upper Teesdale, Durham, England. small LARGE

Umbilicaria cylindrica. Dave Genney. Scotland. small LARGE

Umbilicaria deusta. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England. 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 cornuta. Robin Crump. Wales. small LARGE small LARGE

Usnea florida. Robin Crump. Wales. 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

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 caerulea. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Verrucaria calciseda (now Bagliettoa calciseda but you can see it here for free for a limited period). M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE

Verrucaria fuscella. M Sutcliffe. On mortar of roadside wall with Caloplaca flavescens. Score Valley, Ilfracombe, Devon. 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 cobria. National Museum of Wales. Medium

Vezdaea rheocarpa. National Museum of Wales. Medium

Xanthoparmelia

Xanthoparmelia conspersa. M Sutcliffe. Thirlmere, Cumbria, England. small LARGE

Xanthoparmelia conspersa. M Sutcliffe. On coastal boulders. Drumadoon point, Arran, Scotland. 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 verruculifera. M Sutcliffe. On basalt. Brada Hill, Northumberland. small LARGE

Xanthoria

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. Mike 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 (previously ectaneoides). M Sutcliffe. On serpentine. Near Kynance cove, Cornwall, England. small LARGE Small LARGE

Xanthoria parietina. Mike 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

Xerotrema

Xerotrema quercicola. Neil Sanderson. On standing dead Oak. Ashurst Wood, New Forest. small

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