Observation 98295: Pleopsidium flavum (Bellardi) Körber

When: 2012-06-24

Collection location: Madera Canyon, Santa Rita Mountains, Pima Co., Arizona, USA [Click for map]


Who: Ivan Rodriguez (Ivan Rodriguez)

No specimen available

More interested in the brighter lime/neon green lichen. Could it be that the paler (or discolored?) one is of the same species but older? I’m unsure either way.

Proposed Names

55% (1)
Recognized by sight
91% (2)
Eye3 Eyes3
Recognized by sight: bright yellow, conspicuously lobate crust with immersed aspicilioid apothecia
Used references: Sonoran Flora; the other species is very rare in the Sonoran region

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Thank you Jason
By: Ivan Rodriguez (Ivan Rodriguez)
2012-06-25 17:11:06 PDT (-0700)

I could not agree more with that ID, thanks as always for the help! And yes, it is truly a beautiful color. Its always amazing how differing species mix on the same object; I know there was a rusty orange lichen on this rock as well. I will have to provide detailed photos of that on the next hike!

The pale one is probably Dimelaena oreina again
By: Jason Hollinger (jason)
2012-06-25 17:04:58 PDT (-0700)

The Pleopsidium is a really beauty.

Created: 2012-06-25 16:49:48 PDT (-0700)
Last modified: 2012-06-25 17:11:23 PDT (-0700)
Viewed: 74 times, last viewed: 2018-01-02 19:21:51 PST (-0800)
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