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Wisconsin

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Polygonum hydropiper Michx.

W. E. McClain
Polygonum lapathifolium L.

W. E. McClain
Polygonum pensylvanicum L.

W. E. McClain
Polygonum pensylvanicum L.

W. E. McClain
Polygonum punctatum Ell.

W. E. McClain
Polygonum sagittatum L.

W. E. McClain
Polygonum sagittatum L.

W. E. McClain
Polygonum scandens L.

W. E. McClain
Polygonum scandens L.

W. E. McClain
Rumex orbiculatus A. Gray

W. E. McClain
Rumex orbiculatus A. Gray

W. E. McClain
Rumex verticillatus L.

W. E. McClain
Rumex verticillatus L.

W. E. McClain
Sparganium chlorocarpum Rydb.

W. E. McClain
Polygonum lapathifolium L.

W. E. McClain and W. Pichon
Vallisneria americana Michx.

C. J. Nelson
Polygonum amphibium L.

P. Thiel
Sparganium eurycarpum Engelm. ex A. Gray

P. Thiel
Elodea canadensis Michx.

G. Lenser
Galium concinnum Torr. & Gray

Deon Nontelle
Galium triflorum Michx.

Deon Nontelle
Galium triflorum Michx.

Deon Nontelle
Viola pallens (Banks ex Ging) Brainerd

Deon M. Nontelle
Viola pensylvanica Michx.

Deon M. Nontelle
Viola sagittata Ait.

Deon M. Nontelle