polygonum

Knotweed, Douglas' knotweed, Austin knotweed, Engelmann's knotweed, Johnston's knotweed, Large kno

Polygonum douglasii

Polygonaceae

Alpine Knotweed, Alaska wild rhubarb

Polygonum alpinum

Polygonaceae

Small-Leaved Knotweed, Oval-leaf knotweed

Polygonum arenastrum

Polygonaceae

He Shou Wu, Tuber fleeceflower

Polygonum multiflorum

Polygonaceae

Prince's Feather, Kiss me over the garden gate

Polygonum orientale

Polygonaceae

American Bistort

Polygonum bistortoides

Polygonaceae

Polygonum conspicuum

Polygonaceae

Black Bindweed

Polygonum convolvulus

Polygonaceae

Polygonum equisetiforme

Polygonaceae

Curlytop Knotweed

Polygonum lapathifolium

Polygonaceae

Oriental lady's thumb

Polygonum longisetum

Polygonaceae

Pygmy smartweed

Polygonum minus

Polygonaceae