J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00041243
Ellis #s.n. 00 December 1896
Piggotia negundinis E. & D.
Canada, London

Brown University Herbarium
Catalog #: CBRU00001637
J Dearness s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, London;

Purdue University, Kriebel Herbarium
Catalog #: PUL00019402
J Dearness s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, London;

University of Florida Herbarium
Catalog #: FLAS-F-11821
J. Dearness s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, Middlesex, London

Michigan State University Herbarium
Catalog #: MSC0219939
J. Dearness s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, London;

University of California Berkeley, University Herbarium
Catalog #: UC152040
J. Dearness s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0031589
J. Dearness #s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, London;

Clemson University Herbarium
Catalog #: CLEMS-F0002713
J. Dearness #s.n. 00 December 1896
Piggotia negundinis Ellis & Dearn.
Canada, Ontario, London; London; 42.9833 -81.25