Irish lichens

Fuscidea cyathoides
Order: Incertae sedis       Family: Fuscideaceae

Species: Fuscidea cyathoides

Growth type crustose.
Photos: On shaded rocks. Ballingeary area, Cork, Ireland.
Identified by Mike Simms and John Douglass

Very variable, warm-brown or greyish, greenish-white in shade, smooth or rough, cracked or areolate. Surrounded by black prothallus which is often visible between the areoles. Sessile apothecia, convex dark-brown or black discs with paler margins.
K+ dirty-yellow, P+ red, UV-

Widespread throughout Ireland on siliceous upland rocks.

Similar: Fuscidea kochiana and Fuscidea lygaea


Fuscidea cyathoides


Fuscidea cyathoides


Fuscidea cyathoides


Fuscidea cyathoides
Fuscidea cyathoides. December 2008 and August 2009

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