Drummond, Musci Amer.
Thomas Drummond

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0038645
Oncophorus virens (Hedw.) Brid.
North America, unknown location, near the Rocky Mountains

University of Michigan Herbarium
Catalog #: 591770
T. Drummond #s. n.
Oncophorus wahlenbergii Brid.
, Near the Rocky Mountains.

Academy of Natural Sciences of Drexel University
Catalog #: PH00084441
T. Drummond #s.n.
Dicranum microcarpum
Canada, Rocky Mts.