Observation 106338: Lichen P. Micheli

When: 2011-05-12

Collection location: Millersylvania State Park, Thurston Co., Washington, USA [Click for map]

Who: Drew Henderson (Hendre17)

No specimen available

On rock-similar in appearance to Ichmadophila ericetorum.

Proposed Names

63% (2)
Eye3 Eyes3
Recognized by sight
28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Thanks Jason-
By: Drew Henderson (Hendre17)
2012-08-21 12:46:03 PDT (-0700)

Been going through lots of old observations that I never got around to posting. Just moved to Yakima, WA which is desert and has annual rainfall of under 1 inch :( Kinda unfortunate with this one because I’d love to do some KOH testing or at least update an image after rain(but I’m out of town now). Pertusia looks pretty similar and the soralia definitely looks correct from images I’ve tracked down online and from Brodo/Sharnoff.

Always appreciate your vast knowledge and willingness to give free education at MO!

Spot tests might help narrow down options a lot
By: Jason Hollinger (jason)
2012-08-21 12:09:41 PDT (-0700)

It has the look of Pertusaria to me, just based on the off-white, flowing, thick thallus and wart-like soralia. It’s possible that there are apothecia hiding within those warts, by the way, which would all but clinch the genus at least.

Created: 2012-08-21 11:56:30 PDT (-0700)
Last modified: 2012-08-21 12:07:08 PDT (-0700)
Viewed: 19 times, last viewed: 2017-06-13 19:36:32 PDT (-0700)
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