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

University of Michigan Herbarium
Catalog #: 701623
C. V. Piper #s. n. 00 June 1892
Phaeoceros laevis ssp. laevis (L.) Prosk.
USA, Washington, Seattle

Michigan State University
Catalog #: MSC-B-0013878
C. V. Piper #s.n. 00 June 1892
Anthoceros laevis L.
United States, Washington, Seattle

Michigan State University
Catalog #: MSC-B-0013876
C. V. Piper #s.n. 00 June 1892
Anthoceros laevis L.
United States, Washington, Seattle

University of Colorado, Museum of Natural History
Catalog #: COLO-B-0038773
C. V. Piper #s.n. 00 June 1892
Phaeoceros laevis (L.) Prosk.
United States, Washington, Seattle

University of Colorado, Museum of Natural History
Catalog #: COLO-B-0038779
C. V. Piper #s.n. 00 June 1892
Phaeoceros laevis (L.) Prosk.
United States, Washington, Seattle

University of Wisconsin - Madison
Catalog #: WIS-B-0025445
C.V. Piper #s.n. 00 June 1892
Phaeoceros laevis (L.) Prosk.
United States, Washington, Seattle

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.220842
urn:uuid:a3c7ea75-d0de-4e8c-a1a2-3203f5919dd9
Charles Vancouver Piper s.n. 00 June 1892
Anthoceros pearsonii M. Howe
United States of America, Washington, King, Seattle; Seattle

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.220844
urn:uuid:3270fa42-932a-40d4-a3d7-d8a610aa81f4
Charles Vancouver Piper s.n. 00 June 1892
Anthoceros pearsonii M. Howe
United States of America, Washington, King, Seattle; Seattle