Drummond, Musci Amer.
Thomas Drummond

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0039310
#151
Orthotrichum affine Schrad. ex Brid.
Canada, unknown location, Upper Canada, and about Lake Superior

University of Michigan Herbarium
Catalog #: 592781
T. Drummond #s. n.
Orthotrichum anomalum Hedw.
Canada, About Lake Superior.

Field Museum of Natural History
Catalog #: C1038869F
55327ee6-cec2-4ab6-be9c-7a75be369b35
Thomas Drummond #s.n.
Orthotrichum affine Schrad. ex Brid.
Canada, Upper Canada, and about Lake Superior

Academy of Natural Sciences of Drexel University
Catalog #: PH00122442
Thomas Drummond #s.n.
Orthotrichum affine Schrad. ex Brid.
Canada, Collected chiefly in the ROCKY MTS., British North America