Non-Native Plant Quarantine Species

Canada thistle - Cirsium arvensis
Common crupina - Crupina vulgaris
Dalmation toadflax - Linaria dalmatica
Diffuse knapweed - Centaurea diffusa
Dodder - Cuscuta spp.
Eurasian water milfoil - Myriophyllum spicatum
Field bindweed - Convolvulus arvensis
Hoary cress Cardaria draba
Johnsongrass - Sorghum halepense
Leafy spurge - Euphorbia esula & E. pseudovirgata
Multiflora rose - Rosa multiflora
Musk thistle - Carduus nutans
Perennial pepperweed - Lepidium latifolium
Perennial sowthistle - Sonchus arvensis
Plumeless thistle - Carduus acanthoides
Purple loosestrife - Lythrum salicaria & L. virgatum (all hybrids)
Rush skeletonweed - Chondrilla juncea
Russian knapweed - Centaurea repens
Spotted knapweed - Centaurea maculosa
St. Johnswort - Hypericum perforatum
Yellow starthistle - Centaurea solstitialis
Yellow toadflax - Linaria vulgaris