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Daphnopsis leguizamensis

Archidendron ellipticum subsp. ellipticum

Daphnopsis pillopillo

Persicaria capitata

Japanese knotweed

Podachaenium chimalapanum

Fallopia convolvulus

Black bindweed

Polygonum douglasii

Douglas's knotweed

Polygonum equisetiforme

Horsetail knotweed

Persicaria glabra

Denseflower knotweed

Polygonum glaucum

Seaside knotweed

Persicaria hispida

Persicaria hydropiper

Marsh-pepper smartweed

Persicaria longiseta

Bristly lady's-thumb

Persicaria hydropiperoides

False water-pepper

Polygonum minimum

Broadleaf knotweed

Persicaria orientalis

Prince's-feather

Polygonum oxyspermum

Strand-vogelknöterich

Persicaria sagittata

American tearthumb

Polygonum patulum

Polygonum polygaloides

Polygala knotweed