Fungi Outer Hebrides

Family: Collemataceae

Collema subflaccidum Degel.

Type: Foliose

Similar to Collema flaccidum but the numerous isidia are rounded. The preferred habitat is trees but not unknown from siliceous rock

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