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Polygonaceae

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Polygonum virginianum L.

R. W. Nyboer
Rumex obtusifolius L.

R. W. Nyboer
Rumex acetosella L.

Loy R. Phillippe
Polygonum lapathifolium L.

Wayne M. Pichon and W. McClain
Polygonum pensylvanicum L.

Wayne M. Pichon and W. McClain
Polygonum punctatum Ell.

Wayne M. Pichon and W. McClain
Polygonum punctatum Ell.

Wayne M. Pichon and W. McClain
Rumex crispus L.

Rodgers and Mullens
Polygonum amphibium L.

P. Thiel
Polygonum cespitosum var. longisetum (Bruijn) A.N. Steward

M. Bratovich
Polygonum virginianum L.

Larry Dennis
Brunnichia ovata (Walter) Shinners

John E. Ebinger
Polygonum amphibium L.

John E. Ebinger
Polygonum amphibium L.

John E. Ebinger
Polygonum cuspidatum Siebold & Zucc.

John E. Ebinger
Polygonum hydropiper Michx.

John E. Ebinger
Polygonum hydropiperoides Michx.

John E. Ebinger
Polygonum lapathifolium L.

John E. Ebinger
Polygonum lapathifolium L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger
Polygonum pensylvanicum L.

John E. Ebinger