on shaded granitic outcrop at top of ridge around 4000 to 4500’ in oak-doug fir forest


apothecial section in water at 100x
apothecial section in water at 100x, cross-polarized
close-up of margin in water at 400x

Proposed Names

87% (1)
Used references: Lichen Flora of the Greater Sonoran Desert Region, Vol. II. 2004. Ryan, Lumbsch, Messuti, Printzen, Sliwa, Nash.
Based on microscopic features: cortex and epihymenium filled with minute POL+ white crystals that clear in K, spores about 12 × 6 µm
Based on chemical features: all spot tests negative

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