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

University of Michigan Herbarium
Catalog #: 604923
Hall #s. n.
Pyramidula tetragona (Brid.) Brid.
USA

Academy of Natural Sciences of Drexel University
Catalog #: PH00125624
Hall #s.n.
Pyramidula tetragona (Brid.) Brid.
USA, No locality on label

University of Wisconsin - Madison
Catalog #: WIS-B-0046725
Hall #s.n.
Physcomitrium tetragonum Fürnr.
USA, Location Unknown