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Upper Thallus Surface
upper surface color - overall*
bright white (atranorin white; vermicularis-white)
greyish green
greenish grey
whitish grey
green
brownish grey
upper surface pruina - presence/absence*
absent
present
upper surface pruina - abundance*
scarce
abundant
Lower Thallus Surface & Attachment
lower surface color - overall*
white
brownish black
brown
grey
black
Vegetative Propagules
isidia - presence/absence*
absent
present
soralia - presence/absence*
present
absent
Thallus Margin & Appendages
cilia - presence/absence*
present
absent
Roger Rosentreter & Ann DeBolt
Species Count: 5
Parmeliaceae
Physciaceae