Observation 91099: Caloplaca flavovirescens (Wulfen) Dalla Torre & Sarnth.
When: 2012-03-25
Herbarium specimen reported

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I’ve noticed that too
By: Jason Hollinger (jason)
2012-03-27 19:01:35 CST (-0500)

The thallus is yellow, so presumably has some anthraquinone pigments in it, but often doesn’t react in K. Must just be because it’s so thin.

K+ Deep Purple
By: Andrew Khitsun (Andrew)
2012-03-27 17:18:30 CST (-0500)

The color changes on apothecia mostly. The thallus darkens too a little bit, but apothecia have instantaneous color change when touched by KOH.

Created: 2012-03-27 16:49:07 CST (-0500)
Last modified: 2012-03-27 16:53:15 CST (-0500)
Viewed: 36 times, last viewed: 2016-10-24 12:54:46 CDT (-0400)
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