Underwood & Cook, Hepat. Amer.
Underwood, L.M.; Cook, O.F. [1 - 200]

University of Michigan Herbarium
Catalog #: 701577
C. V. Piper #s. n. 00 June 1892
Phaeoceros hallii (Austin) Prosk.
USA, Washington, Seattle; [no data]

University of Colorado, Museum of Natural History Herbarium Bryophyte Collection
Catalog #: COLO-B-0003818
C. V. Piper #s.n. 00 June 1892
Anthoceros hallii Austin
United States, Washington, King, Seattle

University of Colorado, Museum of Natural History Herbarium Bryophyte Collection
Catalog #: COLO-B-0003819
C. V. Piper #s.n. 00 June 1892
Anthoceros hallii Austin
United States, Washington, King, Seattle

Michigan State University
Catalog #: MSC-B-0013875
C. V. Piper #s.n. 00 June 1892
Anthoceros hallii Austin
United States, Washington, Seattle

Michigan State University
Catalog #: MSC-B-0013874
C. V. Piper #s.n. 00 June 1892
Anthoceros hallii Austin
United States, Washington, Seattle

University of Wisconsin - Madison
Catalog #: WIS-B-0025410
C.V. Piper #s.n. 00 June 1892
Anthoceros fusiformis Austin
United States, Washington, Seattle

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.220678
urn:uuid:52ca298b-4c69-4ee4-8152-4a4871af3116
Charles Vancouver Piper s.n. 00 June 1892
Anthoceros hallii Austin
United States of America, Washington, King, Seattle; Seattle