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Polygonaceae

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Polygonum virginianum L.

Hiram F. Thut and Pippen
Polygonum scandens L.

Hiram F. Thut and R. Pippen
Polygonum paronychia Cham. & Schltdl.

Albert Steward
Rumex acetosella L.

Ernest L. Stover and Hiram F. Thut
Polygonum lapathifolium L.

Hiram F. Thut
Polygonum lapathifolium L.

Hiram F. Thut
Polygonum virginianum L.

Ernest L. Stover
Polygonum virginianum L.

Leland Jacob Gier
Polygonum arifolium L.

A. E. Radford
Polygonum cuspidatum Siebold & Zucc.

Virginius Heber Chase
Polygonella articulata (L.) Meisn.

Tom Clark
Polygonum cilinode Michx.

Tom Clark
Polygonum convolvulus L.

Tom Clark
Rumex acetosella L.

Tom Clark
Polygonum amphibium L.

K. E. Damann
Polygonum densiflorum Meisn.

B. Rambo
Polygonum amphibium L.

Tom Clark
Polygonum amphibium L.

Tom Clark
Polygonum lapathifolium L.

Tom Clark
Polygonum bicorne Raf.

G. Winterringer
Polygonum cuspidatum Siebold & Zucc.
Polygonum convolvulus L.

Agnes Chase
Rumex acetosella L.

C. J. Norwood
Polygonum persicaria L.

G. J. Norwood
Rumex crispus L.

G. J. Norwood