Invasive Species: Impatiens glandulifera, Ornamental Jewelweed
Ornamental jewelweed is an invasive annual. It is a succulent that can grow to be 3 to 10 ft. (0.9 to 3 m) tall. The stems are purple-tinged and hollow with opposite or …
Fatoua villosa, Mulberryweed
Invasive Species: Fatoua villosa, Mulberryweed
Mulberryweed is an invasive annual that can grow to 2.6 ft. (0.8 m) tall. Stems are branched, erect, and have hooked hairs. Leaves are alternate, stipulate (deciduous), petiolate, 1 to 3.9 in. (2.5 to …
Chelidonium majus, Greater Celandine
Invasive Species: Chelidonium majus, Greater Celandine
Greater celandine is an invasive perennial native to Europe and the Mediterranean region. It can reach from 1 to 4 ft. (0.3 to 1.2 m) in height. The leaves are up to 14 …
Verbascum thapsus, Common Mullein
Invasive Species: Verbascum thapsus, Common Mullein
Common mullein is a biennial forb native to Eurasia and Africa. Plants are unbranched and can grow to more than 6.6 ft. (2 m) tall. First-year plants develop as a basal rosette of …
Tussilago farfara, Coltsfoot
Invasive Species: Tussilago farfara, Coltsfoot
Coltsfoot is a perennial, herbaceous plant that invades disturbed areas throughout much of the eastern United States. The basal leaves are heart-shaped, slightly toothed, and up to 6 in. (15.2 cm) wide. The dandelion-like …
Torilis japonica, Japanese Hedgeparsley
Invasive Species: Torilis japonica, Japanese Hedgeparsley
Japanese hedgeparsley is a biennial herb that grows 2-4 ft. (0.6-1.2 m) tall when flowering. First-year rosettes are low, parsley-like, and green into fall. The stem leaves are alternate, fern-like, 2-5 in. (5.1-12.7 …
Stellaria media, Common Chickweed
Invasive Species: Stellaria media, Common Chickweed
Common chickweed is an invasive annual, low-growing herb native to Europe. Stems are decumbent, to 19.7 in. (50 cm) long with a longitudinal line of hairs. Leaves are opposite, oval, to 0.8 in. …
Melilotus officinalis, Yellow Sweetclover
Invasive Species: Melilotus officinalis, Yellow Sweetclover
Yellow sweetclover is an invasive annual to short-lived perennial herb native to Eurasia. Plants can grow to approximately 6.5 ft. (2 m) in height and can sometimes be woody at the base. Leaves …
Linaria vulgaris, Yellow Toadflax
Invasive Species: Linaria vulgaris, Yellow Toadflax
Yellow toadflax is an invasive perennial herb that can reach 3.3 ft. (1 m) tall. Leaves are nearly sessile, drooping, linear, and 1 to 2 in. (2.5 to 5 cm) long. Leaves can …
Leucanthemum vulgare, Oxeye Daisy
Invasive Species: Leucanthemum vulgare, Oxeye Daisy
Oxeye daisy is an invasive perennial that can reach from 1 to 3 ft. (0.3 to 1 m) in height. A single plant can produce from one to 40 flowering stems. Leaves are …