List of invasive plant species in New Jersey

Spring in Duke Island Park showing invasive lesser celandine (*Ranunculus ficaria*)

Numerous plants have been introduced to the US state of New Jersey in the last four hundred years, and many of them have become invasive species that compete with the native plants and suppress their growth. Duke Farms identified 55 invasive species on its property and investigates methods to control them. Major invaders are:^[1]

Picture	Scientific Name	Common Name
	Acer platanoides	Norway maple
	Ailanthus altissima	tree of heaven
	Alliaria petiolata	garlic mustad
	Ampelopsis glandulosa
	Aralia elata	Japanese angelica tree
	Berberis thunbergii	Japanese barberry
	Celastrus orbiculatus	Oriental bittersweet
	Centaurea maculosa	spotted knapweed
	Cirsium arvense	Canada thistle
	Dipsacus fullonum	wild teasel
	Elaeagnus umbellata	Japanese silverberry
	Euonymus alatus	winged spindle
	Lonicera japonica	Japanese honeysuckle
	Lonicera maackii	Amur honeysuckle
	Lythrum salicaria	purple loosestrife
	Microstegium vimineum	Japanese stiltgrass
	Miscanthus sinensis	maiden silvergrass
	Ranunculus ficaria	lesser celandine
	Reynoutria japonica	Asian knotweed
	Rhamnus cathartica	buckthorn
	Robinia pseudoacacia	black locust
	Rosa multiflora	multiflora rose
	Rubus phoenicolasius	Japanese wineberry