PART 1
PART 1
PART 1
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16. Thallus coarse, generally somewhat upright to sprawling ;<br />
tips abruptly narrowed, generally not curved downward;<br />
usnic acid only in Florida material .................................................................C. caroliniana Schweinitz ex Tuck.<br />
16. Thallus thin; tips gradually narrowing and downward pointing;<br />
usnic acid only in Florida material .................................................................................. C. dimorphoclada Robbins<br />
15. Podetia gray-white, ecorticate; podetial wall very thick, with scattered<br />
cartilaginous strands; south to Broward County ........................................................................ C. pachycladodes Vainio<br />
14. Cortex well developed............................................................................................................................................................ 17<br />
17. Podetia coarse, erect, hollow, perforate; PD-, squamatic acid;<br />
Highlands and Okaloosa counties ........................................................................................................ C. perforata Evans<br />
17. Podetia delicate, in lax, tangled, recumbent colonies; PD+ yellow<br />
(baeomycesic and squamatic acids); north to Polk County......................................... C. subsetacea Robbins ex Evans<br />
13. Podetia simple or sparingly branched........................................................................................................................................ 18<br />
18. Thallus PD-............................................................................................................................................................................ 19<br />
19. Podetia not forming cups ................................................................................................................................................ 20<br />
20. Squamules coarse, maculate; podetia proliferating, perforate,<br />
broadly expanded above; numerous apothecia on ultimate<br />
proliferations; squamatic acid; on Taxodium; Franklin and<br />
Liberty counties........................................................................................................................... C. buckii R. C. Harris<br />
20. Squamules thinner, emaculate; podetia mostly simple, mostly decorticate,<br />
narrower than the apothecia; barbatic acid; Duval and Seminole counties...................................................................<br />
................................................................................................................................... C. botryocarpa Merr. ex Sandst.<br />
19. Podetia forming broad cups, coarsely sorediate/areolate; grayanic acid;<br />
northern Florida .........................................................................................................................C. grayi Merr. ex Sandst.<br />
18. Thallus PD+ yellow, orange or orange-red ........................................................................................................................... 21<br />
21. Thallus PD+ yellow or orange .......................................................................................................................................... 22<br />
22. Podetia not forming cups ........................................................................................................................................... 23<br />
23. Squamules linear, large; podetia rarely squamulose, broader at top;<br />
norstictic acid or norstictic and stictic acids ......................................................................................................... 24<br />
24. Norstictic and stictic acids; south to Polk County ..............................................................C. polycarpia Merr.<br />
24. Norstictic acid ± atranorin; northern Florida.................................................................. C. polycarpoides Nyl.<br />
23. Squamules irregular, small; podetia often squamulose; thamnolic or<br />
baeomycesic acid ................................................................................................................................................. 25<br />
25. Thallus KOH+ deep yellow (thamnolic and barbatic acids)........................................................................... 26<br />
26. Cortex dispersed, coarsely areolate/squamulose; podetia<br />
short, rarely branched; central Florida ......................................................................... C. santensis Tuck.<br />
26. Cortex continuous; podetia taller, with few squamules,<br />
commonly branched, especially above; south to Polk County .................................... C. floridana Vainio<br />
25. Thallus KOH- ................................................................................................................................................. 27<br />
27. Squamules and podetia C-, KC-(baeomycesic and<br />
squamatic acids); podetia densely squamulose;<br />
south to Charlotte County..................................................................... C. beaumontii (Tuck.) Vainio<br />
27. Squamules and podetia C+, KC+ blue-green (strepsilin,<br />
baeomycesic and squamatic acids); podetia usually not<br />
densely squamulose, often lacking; rare, Holmes and<br />
Washington counties ........................................................................... C. strepsilis (Ach.) Grognot<br />
32