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Polygonaceae

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Polygonum scandens L.

W. E. McClain
Polygonum scandens L.

W. E. McClain
Polygonum setaceum var. interjectum Fernald

W. E. McClain
Rumex acetosella L.

W. E. McClain
Rumex altissimus Wood

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
Polygonum arenastrum Jord. ex Boreau

W. E. McClain and W. Pichon
Polygonum aviculare L.

W. E. McClain and W. Pichon
Polygonum lapathifolium L.

W. E. McClain and W. Pichon
Polygonum lapathifolium L.

W. E. McClain and W. Pichon
Polygonum lapathifolium L.

W. E. McClain and W. Pichon
Polygonum lapathifolium L.

W. E. McClain and W. Pichon
Polygonum persicaria L.

W. E. McClain and W. Pichon
Rumex altissimus Wood

W. E. McClain and W. Pichon
Rumex altissimus Wood

W. E. McClain and W. Pichon
Rumex crispus L.

W. E. McClain and W. Pichon
Rumex crispus L.

W. E. McClain and W. Pichon
Rumex crispus L.

W. E. McClain and W. Pichon
Rumex verticillatus L.

W. E. McClain and Wayne Pichon
Polygonum convolvulus L.

R. N. Nyboer
Polygonum pensylvanicum L.

R. W. Nyboer
Polygonum punctatum Ell.

R. W. Nyboer