Observation 209502: Lecidella stigmatea (Ach.) Hertel & Leuckert

Proposed Names

2% (2)
Recognized by sight
92% (2)
Eye3 Eyes3
Based on microscopic features: spores 8 per ascus, thick-walled, ~15×7.5µm, epihymenium and outer exciple dark green-black, inner exciple pale reddish-brown, hypothecium hyaline, hymenium clear
Based on chemical features: thallus, what little there is, is K+y

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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It’s that common on sandstones species again,
By: Andrew Khitsun (Andrew)
2015-07-10 17:27:04 PDT (-0700)

where apothecia bunch up into clusters, and sometimes the lichen forms nice patterns. Some apothecia are smaller and look like a perfect donut with hole not punched out. Those are seen in the last photo. I wonder if two species are involved.

Created: 2015-07-10 17:19:10 PDT (-0700)
Last modified: 2016-01-12 21:11:23 PST (-0800)
Viewed: 22 times, last viewed: 2016-10-22 01:44:42 PDT (-0700)
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