Polygonaceae


( All these species are forbs. )

	*Fallopia japonica*	Japanese knotweed
	*Fallopia scandens*	climbing false buckwheat
	*Persicaria amphibia*	water smartweed
	*Persicaria arifolia*	halberd-leaved tear-thumb
	*Persicaria careyi*	Carey's smartweed
	*Persicaria hydropiper*	water pepper
	*Persicaria hydropiperoides*	mild water pepper
	*Persicaria lapathifolia*	dock-leaved smartweed
	*Persicaria longiseta*	tufted smartweed
	*Persicaria maculosa*	lady's thumb
	*Persicaria pensylvanica*	Pennsylvania smartweed
	*Persicaria sagitatta*	arrow-leaved tear-thumb
	*Persicaria virginiana*	jumpseed
	*Rumex acetosella*	sheep sorrel
	*Rumex britannica*	great water dock
	*Rumex crispus*	curly dock
	*Rumex obtusifolius*	broad-leaved dock