Polygonaceae

Fagopyrum

esculentum (Buckwheat)

sagittatum (see esculentum)

Polygonum

amphibium (Water Smartweed)

arifolium (Halberd-leaved Tearthumb)

aviculare (Prostrate Knotweed)

caespitosum (Long-bristled Smartweed)

coccineum (see amphibium)

convolvulus (Black Bindweed)

cuspidatum (Japanese Knotweed)

erectum (Erect Knotweed)

hydropiper (Common Smartweed)

hydropiperoides (Mild Water Pepper)

lapathifolium (Pale Smartweed)

muehlenbergi (see amphibium)

pensylvanicum (Pennsylvania Smartweed)

perfoliatum (Asiatic Tearthumb)

persicaria (Lady's Thumb)

prolificum  (see) ramosissimum

ramosissimum (Bushy Knotweed)

sagittatum (Arrow-leaved Tearthumb)

scandens (Climbing False Buckwheat)

virginiana (Virginia Knotweed)

viviparum (Alpine Smartweed)

Rumex

acetosa (Garden Sorrel)

acetosella (Sheep Sorrel)

crispus (Curled Dock)

obtusifolius (Broad Dock)

orbiculatus (Water Dock)

verticillatus (Swamp Dock)

Tovara (see Polygonum)