PART 1
PART 1
PART 1
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ascospores 1-2 × 4-celled, 13-16 × 7-10 µm; throughout Florida .............................................M. glaucescens (Nyl.) Hale<br />
5. Thallus PD+ red (protocetraric acid); ascomata large, emergent with<br />
a simple to divided columella; ascospores 1-3 × 5-6-celled, 16-24 × 12-14 µm;<br />
Collier, Dade, Lee and Lake counties............................................................................................... M. bahianum (Ach.) Hale<br />
4. Thallus PD- (no substances), with large polygonal crystals, usually with<br />
pockets of bright red pigment; ascospores 2 × 4-celled, 14-18 × 10-14 µm;<br />
throughout Florida ....................................................................................................................................M. wightii (Taylor) Hale<br />
3. Spores 1-2/ascus, densely muriform, 70-130 × 20-30 µm; thallus PD+ orange<br />
(stictic acid agg.); common, south to Highalnds County ...............................................................M. reclusum (Krempelh.) Hale<br />
2. Ascospores colorless; apothecia smaller ........................................................................................................................................... 8<br />
8. Spores submuriform........................................................................................................................................................................ 9<br />
9. Apothecia small, 0.3-0.4 mm across, immersed; thallus light gray with<br />
numerous crystals; psoromic acid; ascospores 1-3 × 3-5-celled,<br />
9-20 × 4-6 µm; south to Hillsborough County .....................................................................................M. rugiferum (Harm.) Hale<br />
9. Apothecia larger, to 1.0 man, emergent, with broad rounded pore;<br />
thallus pale tan with numerous crystals; stictic acid agg. or acid deficient;<br />
ascospores 1-2 × 6-7-celled, 18-25 × 6-8 µm; throughout Florida ................................................... M. peninsulae R. C. Harris<br />
8. Spores transversely septate.......................................................................................................................................................... 10<br />
10. Cortex UV+ yellow, medulla PD- (lichexanthone, hypoprotocetraric acid);<br />
ascospores 4-celled, 10-12 × 5-6 µm; Dade and Monroe counties ................................................... M. glauculum (Nyl.) Hale<br />
10. Cortex UV-, medulla PD+ yellow (psoromic acid); ascospores 3-4-celled,<br />
9-15 × 4-7 µm; Alachua County....................................................................................................... M. terebratulum (Nyl.) Hale<br />
1. Thallus sorediate; protocetraric acid; ascospores colorless, 6-10-celled,<br />
42-46 × 9-11 µm; throughout Florida ................................................................................................................ M. erodens R. C. Harris<br />
NADVORNIKIA Tibell<br />
1. Thallus sorediate; throughout Florida ..............................................................................................................N. sorediata R. C. Harris<br />
1. Thallus not sorediate; Highlands County..................................................................................................N. hawaiiensis (Tuck.) Tibell<br />
OCELLULARIA G. Meyer<br />
1. Ascospores colorless .............................................................................................................................................................................. 2<br />
2. Ascospores transversely septate ......................................................................................................................................................... 3<br />
3. Ascoma smaller; medulla C-; ascospores under 50 µm long........................................................................................................... 4<br />
4. Thallus PD+ yellow or PD- ............................................................................................................................................................ 5<br />
5. Thallus PD+ yellow (psoromic acid).......................................................................................................................................... 6<br />
6. Columella present .................................................................................................................................................................. 7<br />
7. Ascospores 6-8-celled, 17-24 × 6-7 µm; apothecial margin<br />
not erect; pore usually small; columella undivided; common,<br />
throughout Florida ................................................................................................................ O. granulosa (Tuck.) Zahlbr.<br />
7. Ascospores 8(-9)-celled, 23-33 × 5-6 µm; apothecial margin<br />
erect; disk ± broad; columella becoming reticulate; rare,<br />
Collier County .............................................................................................................O. emersa (Krempelh.) Müll. Arg.<br />
6. Columella absent; ascospores 6-8-celled, 25-32 × 9-11 µm;<br />
Monroe County (Keys)..................................................................................................................Ocellularia sp. Small 9122<br />
5. Thallus PD- (no substances); apothecia emergent; rim often eroding<br />
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