Observation 213632: Verrucaria nigrescens Pers.

Proposed Names

2% (2)
Eye3
Recognized by sight
84% (1)
Eyes3
Based on microscopic features: lower medulla black, involucrellum merging with black layer, spores ~18-22×10-12µm

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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This goes all over the place.
By: Andrew Khitsun (Andrew)
2015-08-23 02:40:06 SAST (+0200)

Some bodies are typical flattened “tiles” of Acaraspora. Some are bulging up to become warty. Some are brown, and some are black (they look black to a naked eye, but actually dark brown under microscope). Some pictures show several different types, merging into or bordering each other. I am stumped. Collected bunch of specimens -I hope someone can help disentangle this mess.

Created: 2015-08-23 02:03:34 SAST (+0200)
Last modified: 2016-01-09 09:40:10 SAST (+0200)
Viewed: 60 times, last viewed: 2016-12-06 10:44:44 SAST (+0200)
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