Observation 60221: Bacidia schweinitzii (Fr. ex E. Michener) A. Schneider
When: 2010-11-07
Herbarium specimen reported

Notes: on siliceous sandstone outcrop in shaded forest near top of ridge

This looks identical to classic Bacidia schweinitzii, except that it’s not supposed to grow on rock. It can grow on moss, and there is a very thin moss covering on this specimen.

Images

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apothecial section in water at 100x
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apothecial section in water at 100x, cross-polarized
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spores in water at 400x

Proposed Names

87% (1)
Eye3 Eyes3
Used references: det. by James Lendemer — he notes that it is, in fact, unusual to find this on rock
Based on microscopic features: acicular, multi-septate, nonspiraled spores; dark green epihymenium, red-brown hypothecium

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-12-04 08:50:20 PST (-0800)
Last modified: 2011-02-01 16:00:14 PST (-0800)
Viewed: 172 times, last viewed: 2016-11-29 15:52:23 PST (-0800)
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