Observation 34818: Platismatia tuckermanii (Oakes) Culb. & C. Culb.
When: 2010-03-12
Herbarium specimen reported

Notes: Location: 35°12’38.36"N 85°54’0.40"W el. 587 m, Beckwith’s Point Trail.

Substrate and habitat: Growing on the branches of a sprawling mountain laurel, Kalmia latifolia, near the rim of a widening canyon, in oak-hickory woodland on the western rim of the Cumberland Plateau.

Chemistry:
medulla: C-, K-, KC-, Pd-.

Identification: Spreading corticolous lichen with broad lobes with reticulate ridges and white maculae, imbedded marginal pycnidia, and largely white lower surface. Similar species include members of the Tuckermannopsis ciliaris group (T. americana, ciliaris, and orbata), which have projecting, barrel-like, marginal pycnidia and (often) cilia, and lack the strongly ridged, maculate upper cortex.

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

Voucher specimen:
United States, Tennessee, Franklin County, Sewanee, Beckwith’s Point Trail. 12 Mar 2010. Chris Parrish 0076, det. James C. Lendemer (NY).

Common name: crumpled rag lichen.

Species Lists

Images

81216
81212
81213
81215
81219
upper surface, 7.1x
81220
upper surface 12.5x
81225
upper surface 16x
81226
apothecia, 20x
81227
apothecia, 25x
81228
apothecia, 20x
81229
apothecia, 25x
81230
apothecium emerging from lobe margin, 25x
81236
lower cortex, 12.5x
81237
lower cortex, 12.5x
81238
lower cortex with rhizines, 50x

Proposed Names

85% (1)
Eye3 Eyes3
Used references: Hinds and Hinds, 2005, pp.413-416

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-03-14 16:47:34 PDT (-0700)
Last modified: 2010-06-09 00:03:00 PDT (-0700)
Viewed: 246 times, last viewed: 2016-10-31 01:49:33 PDT (-0700)
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