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Ascomata
ascomata disc curvature*
convex
weakly convex
epihymenium (epithecium) pigmentation*
black
brown
Ascospores
ascospores septation
absent
present
Upper Thallus Surface
upper surface color - overall*
brownish orange
brownish green
brownish grey
greenish brown
grey
upper surface structure*
verruculose
rugose (wrinkled)
Lower Thallus Surface & Attachment
lower surface color - overall*
grey
brown
yellowish white
rhizine absence/presence*
present
absent
James P. Bennett and Clifford M. Wetmore
Species Count: 2
Umbilicariaceae