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but I’m far from being an expert in any lichen genera, let alone Caloplaca, one of the biggest and widely represented here; I have no checklist, key or any other of the tools necessary to deepen the knowledge on it.
Regarding this particular observation, I agree with Jason that it reminds C. saxicola (I don’t know C. galactophyla), but probably there are others to consider; the fading colors at the margin of thallus almost resembles those of C. aurantia that nevertheless has a distinct thallus; Summarizing: I don’t know.
These were very difficult to photograph in the blazing sun on the open bluff. So pardon bad pictures, but I want to know what it is and possibly re-take those pictures next year if this is worthy of the trip there. The substrate is supposed to be dolomite (or dolomitic limestone as it’s sometimes called).
Created: 2014-11-16 16:31:26 PST (-0800)
Last modified: 2014-11-27 18:30:30 PST (-0800)
Viewed: 51 times, last viewed: 2017-07-04 17:02:54 PDT (-0700)