Absinth Wormwood

Artemisia absinthium

Austrian Fieldcress

Rorippa austriaca

Baby's Breath

Gypsophila paniculata

Black Henbane

Hyoscyamus niger

Blackgrass

Alopecurus myosuroides

Buffalobur

Solanum rostratum

Bull Thistle

Cirsium vulgare

Canada Thistle

Cirsium arvense

Cereal Rye

Secale cereale

Common Barberry

Berberis vulgaris

Common Catsear

Hypochaeris radicata

Common Groundsel

Senecio vulgaris

Common St. Johnswort

Hypericum perforatum

Common Teasel

Dipsacus fullonum

Curlyleaf Pondweed

Potamogeton crispus

English Hawthorn

Crataegus monogyna

English Ivy

Hedera helix 'Baltica', 'Pittsburgh', and 'Star'; Hedera hibernica 'Hibernica'

Eurasian watermilfoil hybrid

Myriophyllum spicatum x Myriophyllum sibiricum

Evergreen Blackberry

Rubus laciniatus

Field Bindweed

Convolvulus arvensis

Fragrant Waterlily

Nymphaea odorata

Green Alkanet

Pentaglottis sempervirens

Hairy Whitetop

Lepidium appelianum

Himalayan Blackberry

Rubus armeniacus

Hoary Cress

Lepidium draba

Italian Arum

Arum italicum

Japanese Eelgrass

Nanozostera japonica

Jointed Goatgrass

Aegilops cylindrica

Jubata Grass

Cortaderia jubata

Lawnweed

Soliva sessilis

Lepyrodiclis

Lepyrodiclis holosteoides

Longspine Sandbur

Cenchrus longispinus

Medusahead

Taeniatherum caput-medusae

Nonnative Cattails

Typha species

Old Man's Beard

Clematis vitalba

Oxeye Daisy

Leucanthemum vulgare

Pampas Grass

Cortaderia selloana

Perennial Sowthistle

Sonchus arvensis ssp. arvensis

Reed Canarygrass

Phalaris arundinacea

Russian Olive

Elaeagnus angustifolia

Scentless Mayweed

Matricaria perforata

Smoothseed Alfalfa Dodder

Cuscuta approximata

Spikeweed

Centromadia pungens

Spiny Cocklebur

Xanthium spinosum

Spotted Jewelweed

Impatiens capensis

Swainsonpea

Sphaerophysa salsula

Tree-of-Heaven

Ailanthus altissima

Ventenata

Ventenata dubia

White Cockle

Silene latifolia ssp. alba

Wild Carrot

Daucus carota

Yellow Flag Iris

Iris pseudacorus

Yellow Toadflax

Linaria vulgaris