Taxón:

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General
  substrate
   rock (unspecified)
   bark
   non-calciferous rock
Thallus Growth Morphology
  crustose growth forms
   granular
   rimose
   areolate (flattened areoles)
Ascomata
  ascomata disc curvature*
   weakly convex
   convex
  ascomata disc color*
   black
   brown
   blackish brown
Asci
  tholus amyloidity pattern*
   amyloid and with wide, axial body divergent towards apex (Lecanora-type)
   entirely amyloid
   with amyloid cap
Ascospores
  ascospores septation
   absent
   present
  ascospores wall pigmentation*
   pale brownish
   medium brownish
Upper Thallus Surface
  upper surface color - overall*
   brownish orange
   greenish grey
   reddish brown
   grey
   brownish green
   brownish grey
   yellowish grey
   brown
   greenish brown
  upper surface pruina - presence/absence*
   present
   absent
  upper surface structure*
   smooth
   verruculose
   rugose (wrinkled)
   verrucose

Harpers Ferry National Historical Park

James P. Bennett and Clifford M. Wetmore
Cuenta de especies: 3

Pertusariaceae

Umbilicariaceae