Crum & Anderson, Mosses N. Amer.
Crum & Anderson [1 - 1000 or more]

University of Michigan Herbarium
Catalog #: 604364
L. E. Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
USA, Louisiana, Livingston, Colywell Creek, NE of Port Vincent

University of Florida Herbarium
Catalog #: FLAS B43502
Leweis E. Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colyell Creek, northeast of Port Vincent

University of Colorado, Museum of Natural History Herbarium Bryophyte Collection
Catalog #: COLO-B-0046643
Lewis E Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colywell Creek, northeast of Port Vincent

University of Wisconsin - Madison
Catalog #: WIS-B-0030788
Lewis E Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colywell Creek, northeast of Port Vincent.

Wesley E. Niles Herbarium, University of Nevada, Las Vegas
Catalog #: UNLV-B-0003062
Lewis E Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colywell Creek, northeast of Port Vincent.

Michigan State University
Catalog #: MSC-B-0008123
Lewis E. Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colywell Creek, northeast of Port Vincent

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0045521
Lewis E. Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
USA, Louisiana, Livingston, Colywell Creek, northeast of Port Vincent

Willard Sherman Turrell Herbarium, Miami University
Catalog #: 000036979
Lewis E. Anderson #23716 02 October 1980
Ptychomitrium drummondii (Wilson) Sull.
United States, Louisiana, Livingston, Colywell Creek, norteast of Port Vincent