Home >> Checklist: Harpers Ferry National Historical Park >> Previous version of Key >> Identification Key (new version): Harpers Ferry National Historical Park
Filter/Display Options
Family/Genus Filter:
Sort by:
Display images:
General
substrate
non-calciferous rock
bark
rock (unspecified)
Thallus Growth Morphology
crustose growth forms
granular
rimose
areolate (flattened areoles)
Ascomata
ascomata disc curvature*
weakly convex
convex
ascomata disc color*
blackish brown
black
brown
Asci
tholus amyloidity pattern*
amyloid and with wide, axial body divergent towards apex (Lecanora-type)
with amyloid cap
entirely amyloid
Ascospores
ascospores septation
present
absent
ascospores wall pigmentation*
medium brownish
pale brownish
Upper Thallus Surface
upper surface color - overall*
brownish orange
brownish green
greenish grey
brownish grey
grey
brown
greenish brown
yellowish grey
reddish brown
upper surface pruina - presence/absence*
present
absent
upper surface structure*
smooth
rugose (wrinkled)
verrucose
verruculose
James P. Bennett and Clifford M. Wetmore
Species Count: 3
Pertusariaceae
Pertusaria pustulata
Umbilicariaceae
Umbilicaria mammulata
Umbilicaria papulosa