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Polygonaceae

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Polygonum arenastrum Jord. ex Boreau

Parker and McClain
Polygonum persicaria L.

Parker and McClain
Polygonum persicaria L.

Parker and McClain
Polygonum punctatum Ell.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum scandens L.

Parker and McClain
Polygonum virginianum L.

Parker and McClain
Polygonum virginianum L.

Parker and McClain
Polygonum sagittatum L.

Parker and McClain
Polygonum sagittatum L.

Parker and McClain
Polygonum cuspidatum Siebold & Zucc.

Parker and Pichon
Polygonum cuspidatum Siebold & Zucc.

Parker and Pichon
Rumex crispus L.

Parker and Pichon
Polygonum sagittatum L.

Loy R. Phillippe
Polygonum pensylvanicum L.

Wayne M. Pichon and H. Parker
Polygonum pensylvanicum L.

Wayne M. Pichon and H. Parker
Polygonum punctatum Ell.

Wayne M. Pichon and H. Parker
Polygonum sagittatum L.

Wayne M. Pichon and H. Parker
Polygonum sagittatum L.

Wayne M. Pichon and H. Parker
Rumex acetosella L.

Wayne M. Pichon and H. Parker
Rumex acetosella L.

Wayne M. Pichon and H. Parker
Rumex crispus L.

Wayne M. Pichon and H. Parker
Rumex verticillatus L.

Wayne M. Pichon and H. Parker
Polygonum hydropiperoides Michx.

Jonathan Clark