Observation 114935: Heterodermia speciosa (Wulfen) Trevisan
When: 2012-09-01
Herbarium specimen reported

Proposed Names

-11% (2)
Recognized by sight
92% (2)
Eye3 Eyes3
Used references: ID confirmed by Jason Hollinger

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I totally agree
By: Jason Hollinger (jason)
2012-10-30 20:07:53 CDT (-0400)

Good sample to have on hand for comparison material when you aren’t sure about if the lower surface of something is corticate or not. The most useful character here — though I’m sure other species do this occasionally, too — is the strikingly white and abundant cilia. This is typical for H. speciosa. I see this character used in several keys, although it makes me cringe each time. Maybe it really is reliable. I just find that very surprising. I remain skeptical.

Thallus K+ yellow
By: Andrew Khitsun (Andrew)
2012-10-30 19:29:44 CDT (-0400)

Lower surface white, may or may not be corticate (hard to determine for me – it’s somewhat fibrous but firm), rhizines white. Soredia labriform, going over the lobe tips onto the underside.

Created: 2012-10-30 19:07:27 CDT (-0400)
Last modified: 2015-12-20 21:49:19 CST (-0500)
Viewed: 46 times, last viewed: 2016-10-26 12:57:07 CDT (-0400)
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