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Contributed by Harvard University Botany Libraries.
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Transcription
Section Arthopyrenia
P. epidermidis (Ach.O
P. fallax (Nyl.) Ach.
P. punctiformis (Pers.) Naeg.
P. stigmatella (Sm.) Merl.
P. analeptoides
P. hyalospora (Nyl.) Tuck.
P. rhyponia (Ach.) Hepp
Section Leptoraphis
P. oxyspora
Section Microthelia
P. theleina (Ach.) Tuck.
P. cinerella (Flot.) Willey
P. " v. quadriloculata Fink.
Section Polyblastia
P. lactea (Mudd.) Tuck.
P. nivea Merl.
TRYPETHELIIUM
P. virens Tuck.
MYCOPORUM
M. pycnocarpum Nyl.
M. heterosporum Merl.
P. quercus (Mudd.)
P. (leptoraphis) castrensis Tuck
B. epura
B. schweinitzii
B. chlorina