Observation 88260: Physconia detersa (Nyl.) Poelt
When: 2011-05-13
No herbarium specimen

Proposed Names

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Eye3 Eyes3
Recognized by sight

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Know the rare species
By: Jason Hollinger (jason)
2012-02-26 15:08:45 PST (-0800)

Advice I read in a bird book once. Point here is you should start taking every opportunity when you see this thing to scratch it open to see the medulla. Not all P. enteroxantha has distinctly yellowish medulla, but many do. When in doubt, collect, verify later. Since you know exactly what to look for, you’ll find it in no time! It’s there, I’m sure of it. Make a special effort next time you’re in Door County, in particular.

Not much to choose from
By: Andrew Khitsun (Andrew)
2012-02-26 14:36:26 PST (-0800)

Since P.enteroxantha has not (yet) been reported from WI, it should be P.detersa by default. Of course, maybe this was my chance to discover P.enteroxantha in the state, and I blew it by not picking up the specimen :-(

What’s our reasoning on these things now?
By: Jason Hollinger (jason)
2012-02-26 14:22:02 PST (-0800)

We’ve decided this is unlikely to be P. leucoleiptes because the soralia are too continuous along the margins, right? That leaves only P. detersa and P. enteroxantha as options? (P. perisidiosa has soralia under tips, not along interior margins.) Are there any other sorediate ones to consider? You said P. enteroxantha is rare or unreported in Wisconsin?

Created: 2012-02-26 14:08:42 PST (-0800)
Last modified: 2012-02-26 14:19:30 PST (-0800)
Viewed: 30 times, last viewed: 2016-10-23 15:31:08 PDT (-0700)
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