Observation 212748: Acarospora fuscata (Schrader) Arnold

When: 2015-07-29

Collection location: Kangaroo Lake State Natural Area, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

Specimen available

Proposed Names

2% (2)
Recognized by sight
92% (2)
Eye3 Eyes3
Recognized by sight: lower surface black, squamules broadly-attached (not stipitate)
Based on microscopic features: algal layer even and uninterrupted
Based on chemical features: C+r

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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The bedrock is dolomite here, with dolomite slabs scattered around,
By: Andrew Khitsun (Andrew)
2015-08-13 19:13:01 PDT (-0700)

but this boulder laying all by itself in the woods appears to be something like a quartzite under microscope. Perhaps glacial erratic.

Created: 2015-08-13 19:01:12 PDT (-0700)
Last modified: 2016-01-17 11:03:31 PST (-0800)
Viewed: 43 times, last viewed: 2018-04-08 20:02:14 PDT (-0700)
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