Home >> Checklist: New River Gorge National River >> Previous version of Key >> Identification Key (new version): New River Gorge National River
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Ascomata
ascomata disc curvature*
weakly convex
convex
epihymenium (epithecium) pigmentation*
black
brown
Ascospores
ascospores septation
absent
present
Upper Thallus Surface
upper surface color - overall*
brownish orange
brownish green
grey
greenish brown
brownish 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
Umbilicaria mammulata
Umbilicaria papulosa