Observation 86844: Dirinaria picta (Sw.) Clem. & Shear
When: 2012-01-19
Herbarium specimen reported

Notes: Partial herbarium specimen in personal herbarium.

Proposed Names

6% (2)
Eye3
Used references: Lichens of North America
56% (1)
Eyes3
Recognized by sight: I think the lobes are too concave and distinct to be applanata.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Foliose, strictly speaking
By: Jason Hollinger (jason)
2012-01-23 10:46:48 PST (-0800)

Dirinaria look crustose, but if you’re very careful you can remove it from the substrate with the lower cortex intact. Crocynia additionally should be distinctly “cottony”, since it lacks both upper and lower cortex. Dirinaria, incidentally_ are excellent test subjects to calibrate your UV light: they fluoresce strongly ice-blue at 350 nm, but do not (or hardly) fluoresce in the more common 370+ nm wavelengths.

Created: 2012-01-21 20:05:20 PST (-0800)
Last modified: 2012-01-23 10:48:05 PST (-0800)
Viewed: 66 times, last viewed: 2017-02-08 06:02:16 PST (-0800)
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