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General
substrate
soil
bark
non-calciferous rock
rock (unspecified)
Ascomata
ascomata margin color*
reddish yellow
black
photobiont abundance in the thalline exciple (= amphithecium)*
absent
present
epihymenium (epithecium) pigmentation*
reddish brown
brown
Asci
tholus amyloidity pattern*
with amyloid tube
entirely amyloid
Ascospores
ascospores septation
present
absent
Upper Thallus Surface
upper surface color - overall*
bright white (atranorin white; vermicularis-white)
reddish white
whitish red
reddish yellow
yellow
brown
red
reddish brown
yellowish red
Lower Thallus Surface & Attachment
lower surface structures - presence/absence*
present
absent
Carlsbad Caverns National Park (New Mexico)
James P. Bennett and Clifford M. Wetmore
Species Count: 2
Psoraceae
Psora crenata
Teloschistaceae
Xanthomendoza fallax