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

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.223844
Ditrichum tortile (Schrad.) Brockm.
United States of America

Academy of Natural Sciences of Drexel University
Catalog #: PH00081870
Ditrichum pusillum (Hedw.) Hampe
North America

University of Wisconsin - Madison
Catalog #: WIS-B-0043848
[collector unspecified] #s.n.
Ditrichum pusillum (Hedw.) Hampe
, [no information]

University of Michigan Herbarium
Catalog #: 571354
[no data] #s. n.
Ditrichum pusillum (Hedw.) Hampe
, [no data]