Observation 33597: Parmotrema reticulatum (Taylor) M. Choisy
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+ yellow to dark red to dark brown, KC- (bleaches much of the color), Pd+ yellow to orange in tiny spots and along cracks
Medulla: C-, K+ bright yellow to orange to red to dark red to dark brown, Pd+ bright orange immediately

References:
Sharnoff’s Parmotrema reticulatum gallery
CNALH images, description, and locality map, and a larger, interactive locality map.

Voucher specimen: United States, Tennessee, Franklin County, Sewanee, Woodlands. 07 Feb 2010. Chris Parrish 0051, det. James C. Lendemer (NY).

Common name: cracked ruffle lichen

Species Lists

Images

78082
78083
78084
78087
cracked thallus, 25x
78088
cracked thallus, 25x
78090
laminal macular network, 80x
78091
marginal soredia, 40x
78092
lobe with thin brown border; rhizines right up to thallus margin, 25x
78095
forked rhizines, 80x
78098
lower cortex brown near margin, black in center, 16x

Proposed Names

28% (1)
Eye3 Eyes3
Used references: Brodo, Sharnoff, and Sharnoff, 2001, pp.642-643; Harris and Ladd, 2005, p.171

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-02-14 23:51:44 CST (-0500)
Last modified: 2010-06-09 01:37:26 CDT (-0400)
Viewed: 284 times, last viewed: 2016-10-27 10:43:02 CDT (-0400)
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