Observation 21733: Toninia sedifolia (Scop.) Timdal
When: 2009-05-28
Herbarium specimen reported

Notes: This was common though not as abundant as Psora himalayana on limestone cliff, pebbles and among moss, mostly in exposed locations.

SQUAMULES very convex, very strongly and coarsely white pruinose, K-, C-, KC-
APOTHECIA laminal, black, mostly epruinose, soon very convex and large, appearing inset between squamules
EPIHYMENIUM gray, lightening somewhat in K (should have been K+ violet?), POL-
HYPOTHECIUM brown, K-, POL+ faintly whitish
SPORES fusiform, tapering to one end, simple (oil drops are obscuring what could be 1-3 septa), hyaline, 17-19 × 3.4-4.4 µm (Q=3.8-5.7) (N=4)

Images

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old apothecium
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young apothecia
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Apothecial section in water at 100×.
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Spores in K at 1000×.

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Lichen Flora of the Greater Sonoran Region and 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 15:13:18 PDT (-0700)
Last modified: 2009-06-05 15:13:18 PDT (-0700)
Viewed: 99 times, last viewed: 2016-05-14 23:35:19 PDT (-0700)
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