When: 2009-02-14

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

Who: Chris Parrish (kitparrish)

Specimen available

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

Substrate: Growing with patches of mosses and other lichens on the ground just behind sheets of sandstone “rim-rock” at the rim of a steep canyon.

Habitat: Oak-dominated, eastern deciduous forest at the western escarpment of the Cumberland Plateau.

This lichen’s prostrate form suggests inflated antlers forming a tiny, spiny thicket. It is one of the “thorn lichens,” a group which includes Cladonia uncialis, caroliniana, and others.

Voucher specimen: Tennessee, Franklin County, Sewanee, Beckwith’s Point Trail, 21 Mar 2009, Chris Parrish 0027, det. Gary Perlmutter (NCU)

Note added 28 Apr 2009:

Identification: Specimens were determined by Gary Perlmutter at the UNC Herbarium to represent “Cladonia cf. uncialis (the ‘cf.’ means could be; the KC- doesn’t fit; needs verification).”

Common name: thorn cladonia

Species Lists


Beckwith’s Point Trail, 2009-02-14
branches, 7.1x
branches, 7.1x
branches, 10x
branches, 12.5x
branches, 12.5x
branches, 16x
branches, 40x
x-section thru podetium, 32x
Beckwith’s Point Trail, 2009-02-14
Beckwith’s Point Trail, 2009-02-14

Proposed Names

28% (1)
Used references: Brodo, Sharnoff, and Sharnoff, p.277-278

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= Observer’s choice
= Current consensus


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