Observation 23406: Candelaria concolor (Dickson) Stein
When: 2009-07-21
No herbarium specimen

Notes: Tiny yellow minutely frondular lichen, mostly crustose on bark of Quercus palustra. Specimen near center of photo about 3mm across. This is as close as I was able to get and still be a little in focus.

Proposed Names

57% (1)
Recognized by sight
86% (1)
Eye3 Eyes3
Used references: In Brodo’s Lichens of North America, the only lichen typically less than 1cm across known from the West Coast.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
wider world
By: Jason Hollinger (jason)
2009-07-22 13:34:24 CDT (-0400)

Haha! If you’ve mastered hypogeous fungi, lichens should be a cinch. :) Happy to help.

Thanks, Jason!
By: Daniel B. Wheeler (Tuberale)
2009-07-22 11:06:25 CDT (-0400)

Found it immediately, as I suspect you knew I would. The yellow coloration is striking, which may be why Brodo calls it Flame lichen, and certainly the scientific name is a clue, too. There’s a much wider world out there today! Lichens are totally cool! But my expertise is still in the (young) learner stage, I’m afraid.

Surely it must be Candelaria?
By: Jason Hollinger (jason)
2009-07-21 23:04:12 CDT (-0400)

But I guess some Xanthoria s.l. can also rarely be that pale and that small. Nothing else has a chance.

Created: 2009-07-21 21:17:11 CDT (-0400)
Last modified: 2009-07-21 21:17:11 CDT (-0400)
Viewed: 84 times, last viewed: 2016-10-28 05:41:07 CDT (-0400)
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