Plants

Polygonum fibrilliferum

Polygonum floribundum

Fowler's Knotweed

Polygonum fowleri

Jeju knotweed

Polygonum fusco-ochreatum

Polygonum geniculatum

Polygonum glandulosopilosum

Polygonum glaucescens

Sea Knotweed

Polygonum glaucum

Polygonum graminifolium

Polygonum gussonei

Polygonum herniarioides

oddsepal knotweed

Polygonum heterosepalum

Hickman's knotweed

Polygonum hickmanii

Polygonum hirsutum

Polygonum hohuanshanense

Polygonum huichunense

Alaska knotweed

Polygonum humifusum

Polygonum hydropiperoides

Polygonum hyrcanicum

Polygonum icaricum

Polygonum idaeum

Polygonum ilanense

Polygonum inflexum

Polygonum inglesii

Polygonum intramongolicum

Polygonum iranicum

Polygonum istanbulicum

Polygonum junceum

Polygonum kelloggii

Polygonum kolumense

narrowpoint knotweed

Polygonum leptocarpum

Polygonum libani

Polygonum longiocreatum

Polygonum longipes

Polygonum luzuloides

Palouse knotweed

Polygonum majus