Drummond, Musci Amer.
Thomas Drummond

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0032740
Hypnum cupressiforme Hedw.
North America, unknown location

Academy of Natural Sciences of Drexel University
Catalog #: PH00112888
T. Drummond #1828
Hypnum cupressiforme Hedw.
Canada, Collected chiefly in the ROCKY MTS., British North America

Field Museum of Natural History
Catalog #: C1065276F
Thomas Drummond #s.n.
Hypnum hamulosum Schimp.
United States, [precise locality unknown]