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