When: 2010-02-07

Collection location: Sewanee, Franklin Co., Tennessee, USA [Click for map]

Who: Chris Parrish (kitparrish)

Specimen available

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: medulla: C-, K+ yellow but wine red where it meets the cortex, KC- (bleaches much of the yellow and red), P+ bright yellow immediately

Identification: Parmotrema with prominant marginal cilia, marginal soredia, dark brown undersurface with ivory white patches beneath several lobes, rhizine-free areas below outer lobes, and medulla staining K+ yellow and red and Pd+ bright yellow.

Sharnoff’s Parmotrema hypotropum 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 0042, det. James C. Lendemer (NY)

Common name: powdered ruffle lichen

Species Lists


marginal cilia and upper surface of lobe, 10x
bifurcate cilia, 25x
undersurface and rhizines, 20x
undersurface and rhizines, 20x
undersurface and rhizines, 12.5x
marginal soralia, 40x
marginal soralia, 50x

Proposed Names

28% (1)
Used references: Brodo, Sharnoff, and Sharnoff, 2001, pp.489-502

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= Observer’s choice
= Current consensus


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Created: 2010-02-12 01:14:45 CST (-0600)
Last modified: 2010-02-12 01:14:45 CST (-0600)
Viewed: 199 times, last viewed: 2019-02-01 22:08:52 CST (-0600)
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