Observation 166717: Parmotrema A. Massal.

When: 2014-06-05

Collection location: MP 14.5 E. Larch Mountain Rd., Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Obs. is for largish lichen with brown to black reverse growing on Noble fir trunk.


Proposed Names

29% (1)
Used references: Brodo, Lichens of North America. Matches P. arnodii but lacking cilia. Reverse is either black (upper photo), or brown (lower photo).
28% (1)
Recognized by sight: just young?

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= Observer’s choice
= Current consensus


Add Comment
Could be Parmotrema
By: Jason Hollinger (jason)
2014-06-17 09:51:23 CEST (+0200)

Could also be (yet another!) young Platismatia glauca. It’s hard to say when they’re so young. Need to wait for it to start reproducing (soredia, isidia, apothecia, whatever it’s going to do!)

Created: 2014-06-06 06:33:05 CEST (+0200)
Last modified: 2014-06-21 00:36:09 CEST (+0200)
Viewed: 18 times, last viewed: 2019-07-14 02:32:33 CEST (+0200)
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