Fungi Outer Hebrides


Family: Parmeliaceae

Xanthoparmelia conspersa (Ehrh. ex Ach.) Hal

Type: Foliose

Thallus foliose, green-grey or distinctly yellow-grey with peg-like isidia on the older lobe surfaces. Lower surface black. Apothecia with red-brown discs and pale, often undulate, crenulate margins. Common and widespread on siliceous rocks, often in exposed locations

Determiner: 
Christine 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
Thell & Moberg, editors (2011) Nordic Lichen Flora, Volume 4: Parmeliaceae

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