Athelia arachnoidea

    Description

    This aggressive fungal pathogen of lichens and free-living, chlorococcoid algae, forms white to cream, ring-like growths. The fruiting body is thin and arachnoid (like cob-webs), often barren but frequently producing small, brownish sclerotia and, less often, mostly two-spored basidia from its upper surface, basidia without basal clamps.

    Identification difficulty
    Habitat

    On rocks and tree trunks where the host lichens are present.

    When to see it

    All year round

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map