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

References: 
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

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