Observation 21639: Caloplaca citrina (Hoffm.) Th. Fr.
When: 2009-05-28
Herbarium specimen reported

Notes: Found this growing in sheltered spots on limestone cliff. Very pale yellow color suggested Chrysothrix but K+r reaction immediately confirms Caloplaca. There are several species in the C. citrina complex, and they have not been studied in this area.

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58% (1)
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Used references: Lichen Flora of the Greater Sonoran Region — only treatment I have of saxicolous crusts in western North America…
Based on chemical features: K+r soredia

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Eyes3 = Current consensus

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Created: 2009-06-03 22:57:48 EDT (-0400)
Last modified: 2009-06-03 22:57:48 EDT (-0400)
Viewed: 39 times, last viewed: 2016-10-25 04:03:27 EDT (-0400)
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