Fungi Outer Hebrides


Family: Rhizocarpaceae

Rhizocarpon geographicum (L.) DC.

Map Lichen

Type: Crustose

Conspicuous bright yellow-green crustose lichen with flat black apothecia. Rather common on granitic rock

Determiner: 
Chris Johnson

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

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