Tier 4 - Widespread
Acer platanoides | Norway Maple |
Ailanthus altissima | Tree-of-heaven |
Alliaria petiolata | Garlic mustard |
Artemisia vulgaris | Mugwort |
Berberis thunbergii | Japanese barberry |
Berberis vulgaris | Common barberry, European barberry |
Celastrus orbiculatus | Oriental bittersweet |
Centaurea jacea | Brown knapweed, Brown starthistle |
Centaurea nigra | Black knapweed, Lesser knapweed |
Centaurea stoebe | Spotted knapweed |
Cirsium arvense | Canada thistle |
Cirsium vulgare | Bull thistle |
Dipsacus fullonum | Fuller's teasel, common teasel, venuscup |
Elaeagnus umbellata | Autumn Olive |
Euonymus alatus | Burning-bush, Winged spindle |
Iris pseudacorus | Yellow Iris |
Lonicera japonica | Japanese honeysuckle |
Lonicera morrowii | Morrow's Honeysuckle |
Lonicera x bella | Showy fly honeysuckle/Bell's honeysuckle |
Lythrum salicaria | Purple loosestrife |
Microstegium vimineum | Japanese stiltgrass |
Morus alba | White mulberry |
Myosotis scorpioides | True forget-me-not, water forget-me-not |
Myriophyllum spicatum | Eurasian Watermilfoil |
Pastinaca sativa | Wild parsnip |
Phalaris arundinacea | Reed canarygrass |
Phragmites australis | Common reed grass |
Polygonum cuspidatum, Polygonum sachalinensis and Polygonum × bohemica | Knotweed: Japanese knotweed, giant knotweed and Bohemian knotweed |
Potamogeton crispus | Curly-leaf pondweed |
Prunus avium | Bird cherry |
Rhamnus cathartica | Common buckthorn |
Robinia pseudoacacia | Black Locust |
Rosa multiflora | Multiflora rose |
Rubus phoenicolasius | Wineberry |
Wisteria floribunda | Japanese wisteria |
Wisteria sinensis | Chinese wisteria |