Observation 13149: Collema nigrescens (Huds.) DC.
When: 2007-02-23
Herbarium specimen reported

Notes: On exposed weathered fence post.
THALLUS: very thin and stretched, olive to black, matte, wrinkly, no isidia at all, naked below
APO: abundant, minute (0.2-0.5 mm), not pruinose, black to reddish

Need to look at spores to be sure of ID.

Proposed Names

58% (1)
Eye3 Eyes3
Used references: Brodo

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-10-26 23:18:57 CST (-0500)
Last modified: 2008-10-26 23:18:57 CST (-0500)
Viewed: 114 times, last viewed: 2016-10-25 12:03:50 CDT (-0400)