Calkins, N. Am. Lich.
W. W. Calkins

Field Museum of Natural History
Catalog #: C0350494F
af93b175-4eb9-4a09-836f-0dcfd364a63f
W. W. Calkins #241
Arthonia punctiformis Ach.
U.S.A., Florida, Duval, Jacksonville; Jacksonville

Field Museum of Natural History
Catalog #: C0350492F
a8bb6d54-3e88-4d57-b50e-e1a249a589ca
W. W. Calkins #241-B
Arthonia punctiformis Ach.
U.S.A., Florida