Observation 60223: Pertusaria plittiana Erichsen
When: 2010-11-07
Herbarium specimen reported

Notes: on siliceous sandstone outcrop in shaded forest near ridge top

This is the only saxicolous, poriform Pertusaria with norstictic acid in the Ozarks, so microscopy unnecessary. The UV+ ice-blue is not mentioned, but was reliable among the several specimens I collected.

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Ozark Keys, Harris & Ladd 2005.
Based on chemical features: medulla K+ yellow to bright red, C-, KC-, UV+ ice-blue

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-12-04 12:02:37 CST (-0500)
Last modified: 2010-12-04 12:02:40 CST (-0500)
Viewed: 12 times, last viewed: 2017-02-13 11:40:11 CST (-0500)
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