Observation 11630: Physcia neogaea R.C. Harris
When: 2007-12-09
Herbarium specimen reported

Notes: foliose lichen, on bright exposed dogwood bark by canal (Piscidia piscipula)
THALLUS: light gray, not spotted, lobes 0.5-1.0 mm, closely appressed, imbricate, convex, fanned tips, verrucose in center, white below w/ tiny white rhizines
APOTHECIA: up to 1 mm wide, slightly convex to slightly concave, heavily white pruinose

Images

23069
This one appears to be highly maculate, however the white mottling is from verrucae being worn by wind and elements. The tips are clearly emaculate (up close — not clear in photo).
23070
darker one on the right is Physcia neogaea, lighter more closely-appressed one on left is Dirinaria purpurascens

Proposed Names

87% (1)
Eye3 Eyes3
Used references: R. C. Harris’s informal keys

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2008-09-27 15:05:33 PDT (-0700)
Last modified: 2008-09-27 15:05:33 PDT (-0700)
Viewed: 86 times, last viewed: 2016-10-21 23:19:22 PDT (-0700)