Observation 105904: Trypethelium virens Tuck. ex Michener
When: 2012-08-06
Herbarium specimen reported

Proposed Names

29% (1)
Recognized by sight
76% (2)
Eye3 Eyes3
Used references: ID suggested by Jason Hollinger

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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According to Thomson, T.virens is only found on Fagus in Door county,
By: Andrew Khitsun (Andrew)
2015-12-25 21:12:53 PST (-0800)

so it seems to be perfect match

Jim Bennett did not nail this species down yet but doesn’t think it’s Arthonia.
By: Andrew Khitsun (Andrew)
2014-11-09 08:52:48 PST (-0800)

Here is microscopy:
Perithecia present; Multiple ostioles; Spores 13×5, dark brown, simple, 2 oil drops, ellipsoid to orange-slice-shape; Thallus UV+y; Algae Chroococcus or Trentepohlia.

This species is only on American Beech (Fagus grandifolia), as far as I could say.
By: Andrew Khitsun (Andrew)
2012-08-18 18:04:20 PDT (-0700)

Created: 2012-08-18 17:30:53 PDT (-0700)
Last modified: 2015-12-25 22:35:38 PST (-0800)
Viewed: 37 times, last viewed: 2017-02-10 12:16:09 PST (-0800)
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