Irish lichens
Lichenicolous fungi
Lichenicolous fungi
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Incertae sedis
Species: Sclerococcum sphaerale On Pertusaria corallina. Killarney, Co. Kerry, SW Ireland A lichenicolous hyphomycete forming small black tufts of clearly delimited sporodochia (0.1-0.5 mm diam.) on the host thallus and causing the hosts isidia to be suppressed. Conidia are light to dark brown, subglobose or spherical with thick walls, the individual cells (4-)6-10 µm in diameter and clustered in small groups of 2-6(-9). Only the anamorph is known. Usually on Lepra corallina (Pertusaria corallina) but occasionally recorded on Pertusaria pseudocorallina. Most frequent in upland areas. |
Sclerococcum sphaerale. November 2010