PART 1
PART 1
PART 1
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1. Thallus and apothecial margin greenish yellow; ascospores Pachysporaria-type,<br />
20-27 × 11-13 µm; central Florida ...................................................................................................................R. lepida (Nyl.) Müll. Arg.<br />
PERTUSARIALES<br />
PERTUSARIACEAE Körber<br />
OCHROLECHIA Massal.<br />
1. Thallus not pustulate-isidiate, smooth to rugose, rugae often vermiform;<br />
apothecial cortex C-, medulla C+ red (gyrophoric acid with accessory<br />
lichexanthone and methylhiascic acids); throughout the state...................................................................................O. africana Vainio<br />
1. Thallus pustulate-isidiate; pustules and thalline rugae very irregular, occasionally<br />
breaking down into a granular sorediose crust; apothecia mostly without<br />
cortex; apothecial medulla C+ red, (gyrophoric acid and 5-O-methylhiascic acid);<br />
Liberty and Marion counties ................................................................................................................................... O. antillarum Brodo<br />
PERTUSARIA DC.<br />
1. Ascomata discoid, lecanorate, often heavily pruinose or sorediate above or sterile and<br />
soraliate; ascospores l-2/ascus when present [if photobiont is Trentepohlia or chemistry<br />
is not one of those below, these will be treated in key to sterile sorediate crusts]................................................................................ 2<br />
2. Thallus UV+ yellow (lichexanthone)..................................................................................................................................................... 3<br />
3A. Lecanoric acid; wart C+ red; often fertile; south to Lake County....................................................................P. pulchella Malme<br />
3B. Hypothamnolic acid; wart KOH+ lavender, KC+ red, PD-;<br />
sometimes fertile; Duval, Liberty and Walton counties ......................................................................P. hypothamnolica Dibben<br />
3C. Picrolichenic acid; wart KOH-, C-, KC+ violet, PD-;<br />
sterile; Putnam and Wakulla counties ...............................................................................................................P. ventosa Malme<br />
3D. Baeomycesic acid, unknowns, squamatic acid (tr.);<br />
wart KOH-, C-, KC-, PD+ yellow; often fertile;<br />
south to Lee County ........................................................................................................................................ P. floridana Dibben<br />
3E. Haemathamnolic acid; wart KOH+ yellow becoming brownish,<br />
C-, KC-, PD+ orange; rarely fertile; throughout the state ..............................................................................P. copiosa Erichsen<br />
3F. Thamnolic acid; wart KOH+ yellow, C-, KC-, PD+ orange;<br />
south to Lake County.....................................................................................................................................Pertusaria sp. 25229<br />
3G. Stictic acid; wart KOH+ yellow, C-, KC-, PD+ pink-orange;<br />
Marion County .....................................................................................................................................Pertusaria sp. Buck 16889<br />
2. Thallus UV- or UV+ pinkish [if appropriate chemistry is not found, specimen is either a<br />
lichexanthone deficient form of the above group or not a Pertusaria] ............................................................................................... 4<br />
4. Thallus UV-, cortical xanthone lacking; usually fertile ..................................................................................................................... 5<br />
5A. Lecanoric acid; wart C+ red; south to Orange County........................................................................... P. velata (Turner) Nyl.<br />
5B. Picrolichenic acid; wart KOH-, C-, KC+ violet, PD-; Duval County.......................................................... P. amara (Ach.) Nyl.<br />
5C. Thamnolic acid; wart KOH+ yellow, C-, KC-, PD+ orange;<br />
Volusia County..................................................................................................................................P. trachythallina Erichsen<br />
5D. Fumarprotocetraric acid; wart KOH-, C-, KC-, PD+<br />
orange-red; Leon and Wakulla counties........................................................................................ P. multipunctoides Dibben<br />
4. Thallus UV+ pinkish (coronatone); stictic acid agg.; wart KOH+ yellow, C-, KC-,<br />
PD+ pink-orange; sterile; Duval, Highlands, Liberty and Nassau counties ............................................... P. expolita R. C. Harris<br />
1. Apothecia with small pore-like disk......................................................................................................................................................... 6<br />
6. Ascospores 8/ascus ............................................................................................................................................................................. 7<br />
7. Cortex UV+ orange, pink or UV- ...................................................................................................................................................... 8<br />
8. Cortex UV+ orange (thiophaninic acid)......................................................................................................................................... 9<br />
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