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Taxon:

Display as:
Thallus
  thallus surface colour
   brownish grey
   grey
   brownish green
   greenish brown
   orangish-brown
  thallus primary subunits structure
   verruculose
   granulose
   folded (rugose)
  thallus undersurface overall colour
   grey
   yellowish white
   brown
  thallus undersurface rhizines
   absent
   present
Ascomata
  ascomata disc curvature
   weakly convex
   convex
  ascomata hymenium uppermost layer pigmentation
   brown
   black
Ascospores
  ascospores septation
   present
   absent

New River Gorge National River

James P. Bennett and Clifford M. Wetmore
Species Count: 2

Umbilicariaceae