Observation 33666: Ochrolechia africana
When: 2010-02-07
Herbarium specimen reported

Notes: Locality: 35°12’47.92"N, 85°55’20.20"W, el. 586 m. Woodlands.

Substrate and habitat: Growing on a branch of scarlet oak, Quercus coccinea, brought to the ground by recent rain storms, in a park-like residential area bordering oak-dominated eastern deciduous woodland at the western rim of the Cumberland Plateau.

Chemistry:
cortex: C-, K-, KC-
medulla and epihymenium: C+ rose red (fading quickly)
medulla: K-, KC+ pinkish orange (fading quickly)
thallus under UV: pale bluish violet, epihymenia appear light-colored (very pale greenish under 10x lens)

References:
Sharnoff’s Ochrolechia africana gallery
CNALH images and locality map, and a larger, interactive locality map.

Voucher specimen:
United States, Tennessee, Franklin County, Sewanee, Woodlands. 07 Feb 2010. Chris Parrish 0043, det. James C. Lendemer (NY)

Common name: frosty saucer lichen

Proposed Names

28% (1)
Eye3 Eyes3
Used references: Brodo, Sharnoff, and Sharnoff, 2001, pp.463-470; Harris and Ladd, 2005, pp.157-158

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-02-16 23:12:17 PST (-0800)
Last modified: 2010-02-16 23:12:17 PST (-0800)
Viewed: 131 times, last viewed: 2016-03-23 12:06:21 PDT (-0700)
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