Observation 21731: Psora himalayana (Church. Bab.) Timdal

When: 2009-05-28

Collection location: Vavenby Limestone South, British Columbia, Canada [Click for map]

Who: Jason Hollinger (jason)

Specimen available

Found lots of this growing all over moss in dry exposed sites on limestone slopes.

SQUAMULES pruinose around margin, K-, C-, KC-
APOTHECIA black, soon convex and emarginate
EPIHYMENIUM red-brown, POL+ bright red-brown, K+ red (visible even under dissecting scope), C-
HYPOTHECIUM hyaline, POL-, K-, C-
SPORES 8 per ascus, hyaline, simple, smooth, elliptical, rather variable,
8.8-13 × 6.4-7.9 µm (avg 10 × 6.9 µm) (Q=1.5) (N=13)

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Lichen Flora of the Greater Sonoran Region, Lichens of North America
Based on microscopic features
Based on chemical features

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2009-06-05 15:01:16 PDT (-0700)
Last modified: 2009-06-05 15:01:16 PDT (-0700)
Viewed: 146 times, last viewed: 2017-06-05 21:17:51 PDT (-0700)
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