Observation 48548: Acarospora obpallens (Nyl.) Zahlbr.

Notes:
on exposed granitic outcrop in chaparral around 2000’

Images

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93719
apothecial section in water at 100x
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apothecial section in water at 100x, cross-polarized
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thalline margin and spore-filled ascus in water at 400x
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spores in ascus in water at 1000x

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Lichen Flora of the Greater Sonoran Desert Region, Vol. III. 2007. treatment by K. Knudsen.
Based on microscopic features: many spores per ascus, algal layer thick and continuous, thallus pitted, apothecia heavily pruinose
Based on chemical features: cortex and epihymenium C+r

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-07-14 16:45:28 PDT (-0700)
Last modified: 2010-07-14 16:45:32 PDT (-0700)
Viewed: 34 times, last viewed: 2017-10-15 15:58:18 PDT (-0700)
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