FL, Keys, 20071212
Dove Creek Hammock, flowers and lichens.

Bay side, among the Tillandsia mostly, all open sunny habitat.

25.0326 +/- 0.0007N (25+2/60-2/92.22/60) 80.5034 +/- 0.0007W (80+30/60+8.5/84.22/60)

Leptogium chloromelum [] [voucher]

GEN gel lichen, on buttonwood bark
THAL fairly large, deep brown-gray, extremely wrinkled, corticate
APO abundant, red-brown, lecanorine, rough but non-lobulate marg, to 1.5mm wide

smoky-eye [voucher]

Physcia maculate-keys [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL lt gray, conspic maculate, convex, lobes ~0.3-0.4mm wide, well-branched and spreading, not imbr, intricate-looking, white bel w scattered short white to black rhiz, no soredia
MED white
APO to 1mm wide, lecanorine, black to brown, heavily white pruinose, flat, prom smooth even rim
<RC Harris> calls this "Physcia sp. Small 7569".

Physcia crispa [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL lt greenish gray, not marked
lobes spreading, 3-5mm wide
marg somewhat turned up, white bel w scattered white to black short rhiz, fine soredia starting along marg but soon covering entire center (some looking lie laminal round soralia where it covers entire lobe-tips in the center)
APO a few on one thallus, marg v prom and curled in a bit, tiny, black, not pruinose, some margs sorediate

Pyxine berteriana [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL lt greenish gray to whitish, not marked, flat, lobes ~0.2-0.3mm, highly branched, not imbr, black bel w many short black rhiz
MED yellow
APO lecideine, black, to 0.7mm wide, sl convex, prom thin black marg, white thalline rim outside black rim on some apo on one thallus, not pruinose, fairly well-raised above thallus

Dirinaria applanata [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL lt gray, appressed, lobe tips fan-shaped, smooth black bel w no rhiz, round soralia scattered in center
MED white
APO none

Coccocarpia palmicola? [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL gray to dk gray, matte-shiny, smooth, flat w min uplifted marg, lobes to 1-1.5mm wide, lobes spreading and overlapping a bit, d fuzzy tangle of bluish-black hairs below and protruding sl, covered w min cyl isidia except on 2-3mm naked marg
APO none
This looks identical to 20060702 from CabinCove, but I have no literature that covers this group with me.

Parmotrema tinctorum? [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL lt greenish gray, smooth near tips, gently ruffled, mostly attached, no markings
libes rounded, 4-6mm wide
pale brown bel near tips to black in center, smooth and shiny and naked bel near marg, cyl isidia scattered in older parts but breaking down into soredia
MED white
APO none
If Parmotrema, <RC Harris> clearly says it should be P. tinctorum, but it doesn't look like P. to me. The only other choice is Canoparmelia, in which case it should be C. amazonica. It should be med C+r if P. t., med K- if C. a..

Parmotrema [] [voucher]

GEN foliose lichen, on buttonwood bark
THAL v lt gray, smooth, gently ruffled, mostly attached, no markings
lobes rounded, 4-7mm wide
pale brown bel near tips to black in center, smooth and shiny and naked bel near marg, fine soralia in piles on high spots in older portions
MED white
APO none
Require chemical analysis to identify.