Ramalina culbersonianum
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Ramalina culbersonianum 1 On hardwood bark. From Big Thicket National Preserve, eastern Texas. |
Ramalina culbersonianum 2 On hardwood twig. From Big Thicket National Preserve, eastern Texas. |
Ramalina culbersonianum 3 (stenosporic acid chemotype; verified by Scott LaGreca) On hardwood bark. From Great Smoky Mountains National Park, North Carolina. |
Ramalina culbersonianum 4 (acid-deficient chemotype; det. Scott LaGreca) On wooden fence. From the Natchez Trace Parkway, Mississippi. |