Drummond, Musci Amer.
Thomas Drummond

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0029067
#24
Gymnostomum aeruginosum Sm.
Canada, Manitoba, on the Columbia River, and rocks on the borders of Lake Winipeg

Academy of Natural Sciences of Drexel University
Catalog #: PH00110852
T. Drummond #s.n.
Gymnostomum rupestre Schleich. ex Schwägr.
Canada, Collected chiefly in the ROCKY MTS., British North America

Field Museum of Natural History
Catalog #: C1057460F
defd32d8-927c-47f3-9563-aff5ace31c3a
Thomas Drummond #s.n.
Gymnostomum rupestre
Canada, Manitoba, SChistose rocks on the Columbia River, and rocks on the borders of Lake Winipeg

University of Michigan Herbarium
Catalog #: 580109
[no data] #s. n.
Gymnostomum aeruginosum Sm.
, Columbia River, and Lake Winipeg