Irish lichens

Collema fasciculare

Order: Peltigerales       Family: Collemataceae

Species: Collema fasciculare

Growth type foliose.
Photos: Killarney National Park, Co. Kerry, SW Ireland.
Identified by John Douglass

Thallus forms small pulpy cushions, very swollen and easily loosened when wet. Lobes often indistinct, short, wrinkled, sometimes lobulate. Apothecia are abundant and often cover the thallus with flat discs, the margins thick and +/- wrinkled.

Occurs among moss on trunks of mature trees, usually Ash and Hazel, in western oceanic woodlands. Chemical reactions negative.


Collema fasciculare


Collema fasciculare


Collema fasciculare
Collema fasciculare November 2009

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