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Black-green lichen on limestone

Observed: 22nd November 2012 By: pf339
S159 Neighbourhood Nature - course complete
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Black-green lichen on limestone
Description:

Dark black-green thallus growing on limestone gravestone. Lobes visible at outer edge of thallus. Inside outer edge, thallus covered with globular isidia and many tiny plates like small lobes. Possibly Collema crispum .

Identifications

Caution: Do NOT use iSpot to identify fungi to eat!

Some fungi are very poisonous so a mistaken ID could have serious consequences.

Species interactions

No interactions present.

Comments

pf339's picture

Identification

Thanks once again for help with an identification. Much appreciated.
Phil