Fungi Outer Hebrides

Family: Teloschistaceae

Caloplaca thallincola (Wedd.) Du Rietz

Type: Crustose

Very common all round Britain on coastal rocks, frequently growing over the black crusts of Hydropunctaria maura. Typically placoidioid, but the lobes are often discontinuous on rough surfaces

Chris Johnson

Smith et al. editors (2009) The Lichens of Great Britain and Ireland
Dobson (2018) Lichens: an Illustrated Guide to the British and Irish Species