LAFF Home Non-lichenized Ascomycota Larger Basidiomycota Rusts, smuts, and allies Month-by-month Habitats
Top 100 Candidate species for targeted surveys - lichens and lichenicolous fungi
Information on the target species will be developed over the coming months. The table below contains those that are already featured in this website...
| Species (links to species information) | Associated organisms/substrata | Localities | Last recorded (pre project) | Successful search (during project lifespan) | British sites | ||||
| Pre-1965 | 1965-June 2014 | July 2014-present (LAFF) | Extant (since 1965) | ||||||
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Acarospora subrufula | A lichen of siliceous rocks in extreme maritime environments | Apparently fairly common in the Channel Is, otherwise known only from the Scilly Isles and a possible site near Land's End in Cornwall. Found on Great Ganilly, St Martin's, Scilly Isles; unsuccessful search in suitable habitat in VC1 W Cornwall. | 1982 | Yes | 3 | 2 | 1 | 3 |
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Biatora veteranorum | On rotting wood of ancient trees, currently known from Pinus, Quercus and Salix | Scattered throughout the UK; most records are in Scotland but also reported from veteran trees in Bedfordshire, Derbyshire and Shropshire. | 2013 | Yes | 0 | 13 | 1 | 14 |
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Caloplaca caesiorufella | An inconspicuous lichen with brownish red apothecia and a poorly developed grey thallus | A boreal species, reported from Shetland and St Kilda. Recent searches on Shetland in known localities have been unsuccessful. | 2013 | Yes | 0 | 2 | 1 | 3 |
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Caloplaca haematites | A lichen with red apothecial discs, on smooth bark of various trees | Only reported once in the last 100 years, from Hampshire. | 2011 | 5 | 2 | 0 | 2 | |
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Catolechia wahlenbergii | A rare species of high mountains on soil, rock and decayed vegetation | Scattered throughout the northern and western Highlands. | 2009 | 3 | 9 | 0 | 9 | |
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Dacampia rhizocarpicola | A parasite of the riverine lichen Rhizocarpon lavatum | Only known from two ascomata (!) in a site in Glen Esk, E Scotland. Searched for by multiple lichenologists at the only known locality (which is not well defined) - not found. | 2010 | 0 | 1 | 0 | 1 | |
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Gyalidea roseola | A lichen of limestone and micaceous sandstone, only known in GB&I from old lead mine sites | Reported from the Strontian region of SW Scotland (there apparently extinct), Argyll and the Southern Uplands. | 2005 | Yes | 1 | 3 | 3 | 5 |
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Gyalolechia bracteata | A lichen of soil crevices and rock, on metamorphosed ("sugar") limestone - formerly known as Fulgensia bracteata | Only known from a single site in the Ben Alder range, VC97 W Inverness-shire. | 1994 | 1 | 1 | 0 | 1 | |
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Heterodermia propagulifera | A lichen of exposed coastal turf | Only reported from three of the Scilly Isles (VC01 West Cornwall and Scilly Isles). | 2014 | Yes | 3(3) | |||
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Hypogymnia vittata | A lichen on sand in fixed dunes | Only known from a single dune system in East Sutherland. | 2013 | Yes | 1 | 2 | 1 | 2 |
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Lecania coeruleorubella | A lichen on limestone and mortar of church walls | Long presumed extinct, but recently rediscovered in Hertfordshire. | 2013 | 1 | 1 | 0 | 1 | |
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Lecania coerulescens | A lichen found on limestone and calcareous sandstone walls | Only one recent GB&I record, from central Norfolk. | 2011 | 1 | 1 | 0 | 1 | |
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Lecidea inops | A lichen found on copper-rich rocks in mine spoil | Reported from a single site in Westmorland, with records from other parts of N England needing confirmation. | 1984 | 0 | 1 | 0 | 1 | |
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Lichenochora epifulgens | A parasite of the rare sand-dune lichen Gyalolechia fulgens | Originally reported from a single locality in Wales (Pembrokeshire); the original site has been resurveyed in 2011 and 2015 and the population is still extant. Three sites are now known in Cornwall. | 2009 | Yes | 1 | 5 | 5 | 5 |
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Lobothallia melanaspis | A lichen on quartzite rocks in freshwater habitats | Only known from one site in Sutherland. | 1995 | Yes | 1 | 1 | 1 | 1 |
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Melanelixia subargentifera | A foliose lichen reported from bark of Juglans regia | Only reported from one site in E Scotland, now possibly extinct. | 1983 | 0 | 1 | 0 | 1 | |
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PDF - Species Datasheet |
One of the few lichenized basidiomycetes in the UK, with brightly coloured club-shaped fruit-bodes | England (N Hampshire), Scotland (N Harris, W Lewis, Canna, Shetlands). Unsuccessful searches at the Shetland and N. Harris localities. | 2011 | Yes | 1 | 4 | 2 | 6 |
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Nephroma arcticum | A lichen on montane Rhacomitrium heaths | Only known from two localities in the northern Scottish Highlands. | 1994 | 3 | 2 | 0 | 2 | |
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Peltigera lepidophora | A small brown foliose lichen on mossy ledges in a river gorge | Critically endangered, only known from a single site in Perthshire. | 2004 | 0 | 1 | 0 | 1 | |
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Peltigera malacea | A large green foliose lichen, primarily known from coniferous forest over sand dunes | Apparently common in Moray, but restricted in distribution. | 2015 | Yes | 5 | 13 | 8 | 13 |
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Peltigera scabrosa | A foliose lichen on the ground on mountain ridges | Only known from two sites, in Ross-shire and Orkney. | 1984 | 0 | 2 | 0 | 2 | |
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Porina sudetica | A lichen found on decaying moss in mine sites | Only reported from two sites, one in Cornwall and the other in Mid Perthshire. | 1991 | 0 | 4 | 0 | 4 | |
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Siphula ceratites | A lichen with sterile thalli on peaty soil in montane habitats | Reported from various sites in Wester Ross, Skye and Sutherland. | 2011 | Yes | 4 | 7 | 3 | 7 |
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Umbilicaria spodochroa | On calcareous rock by a sea loch | Only definitely known from a single location in VC108 W Sutherland. Searched for unsuccessfully in 2016 - the population may have been obliterated by a track accessing a fish farm. | 1974 | 0 | 1 | 0 | 1 | |
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Usnea subscabrosa | A beard lichen growing on maritime granitic rocks | Only definitely reported from the Isles of Scilly. Searched for unsuccessfully in Mar. 2016. | 2013 | 1 | 1 | 0 | 1 | |