Observation 72411: Caloplaca saxicola (Hoffm.) Nordin

When: 2011-07-20

Collection location: American River Bike Trail, Sacramento, California, USA [Click for map]

Who: Byrain

No specimen available

Growing on a large exposed rock along a bike path.

Proposed Names

28% (1)
Recognized by sight
56% (1)
Recognized by sight: Only real choices are C. saxicola, C. ignea, C. impolita, and C. trachyphylla. The last has long rough lobes. C. ignea is supposed to be distinctively reddish toward the center. C. impolita should have flat lobes, while C. saxicola has these short convex smooth orange lobes that your photo shows.
Based on microscopic features: Wetmore, C.M. & E.I. Käernefelt. 1998. The lobate and subfruticose species of Caloplaca in North and Central America. The Bryologist. 101(2): 230-255.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2011-07-21 14:27:53 CDT (-0400)
Last modified: 2011-07-26 00:08:22 CDT (-0400)
Viewed: 41 times, last viewed: 2017-06-09 18:51:03 CDT (-0400)
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