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Ascospores
ascospores septation
absent
present
ascospores wall pigmentation*
medium brownish
hyaline
Upper Thallus Surface
upper surface color - overall*
greenish white
brownish white
green
brownish grey
greyish green
grey
brown
bluish grey
whitish grey
Lower Thallus Surface & Attachment
lower surface color - overall*
white
brown
reddish blue
black
James P. Bennett and Clifford M. Wetmore
Species Count: 3
Parmeliaceae
Physciaceae