When: 2009-01-31

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

Who: Chris Parrish (kitparrish)

Specimen available

Notes:
Locations:
35°13’49.26"N 85°57’47.14"W, el. 575 m. Dotson Point Trail.
35°12’59.44"N, 85°54’30.99"W , el. 444 m, Shake Rag Hollow.
35°12’38.36"N, 85°54’0.40"W, el. 587 m, Beckwith’s Point Trail.

Substrates and habitats:
Dotson Point Trail and Beckwith’s Point Trail: growing about 2 m above the ground on the trunk of a tree under oak-dominated eastern deciduous hardwood forest at the edge of the western escarpment of the Cumberland Plateau.
Shake Rag Hollow: growing on a downed tree branch, about 1 m long and 3 cm in diameter, found on the forest floor, in an oak and tulip-poplar cove forest at the top of a canyon on the western rim of the Cumberland Plateau.

Characterization: corticolous lichen with
(1) jumbled lobes and folds
(2) numerous apothecia in a range of sizes
(3) numerous black pycnidia imbedded in thallus surfaces
(4) jet black undersurface
(5) forked rhizines

Identification: The specimen in these photos from Shake Rag Hollow was identified by Gary Perlmutter at the UNC Herbarium as Hypotrachyna livida.

Photos:
Dotson Point Trail, 2009_01_21: 35445
Shake Rag Hollow, 2009_03_18: 42594, 42596-42607
Beckwith’s Point Trail, 2009_04_05: 42608-42611

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

Voucher specimen: Tennessee, Franklin County, Sewanee, Shake Rag Hollow, 18 Mar 2009, Chris Parrish 0020, det. Gary Perlmutter (NCU)

Common name: wrinkled loop lichen

Species Lists

Images

Beckwith’s Point Trail, 2009_04_05
Dotson Point Trail, 2009_01_21
thallus, 7.1x
thallus, 12.5x
thallus folds, 20x
lobes, 20x
lobes, 32x
pycnidia, 20x
pycnidia, 50x
apothecia, 10x
apothecia, 16x
apothecia, 25x
black undersurface and rhizines, 40x
black undersurface and rhizines, 50x
black undersurface and rhizines, 63x
Beckwith’s Point Trail, 2009_04_05
Beckwith’s Point Trail, 2009_04_05
Beckwith’s Point Trail, 2009_04_05

Proposed Names

46% (2)
Used references: Brodo, Sharnoff, and Sharnoff, p.358

Please login to propose your own names and vote on existing names.

= Observer’s choice
= Current consensus

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Created: 2009-02-02 10:45:33 IST (+0530)
Last modified: 2009-02-02 10:45:33 IST (+0530)
Viewed: 303 times, last viewed: 2019-07-13 15:01:32 IST (+0530)
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