Sullivant & Lesquereux, Musci Bor.-Amer. Ed. 2
Charles L. Lesquereux [1 - 536]

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.229105
urn:uuid:af773824-9c41-4bb0-85cd-45e82cdec750
s.n.
Orthotrichum psilocarpum James in Sull.
United States of America, Pennsylvania, near Philadelphia

University of Wisconsin - Madison
Catalog #: WIS-B-0017318
Unknown #s.n.
Orthotrichum pusillum Mitt.
United States, Pennsylvania