Securigera varia, Crownvetch


Invasive Species: Securigera varia, Crownvetch

Crownvetch is a low-growing, invasive, herbaceous vine that usually forms thickets up to 3 ft. (0.9 m) in height. The leaves are pinnately compound with 9 to 25 pairs of leaflets and a terminal …

Cynanchum louiseae, Black Swallowwort


Invasive Species: Cynanchum louiseae, Black Swallowwort

Black swallowwort is an invasive herbaceous, twinning, perennial vine. Leaves are opposite, dark green, oval, shiny, entire, 3 to 4 in. (7.6 to 10.2 cm) long, and 2 to 3 in. (5.1 to …

Humulus japonicus, Japanese Hop


Invasive Species: Humulus japonicus, Japanese Hop

Japanese hop is an invasive¬†annual, climbing or trailing vine that is native to eastern Asia. This vine has five-lobed leaves (generally), downward pointing prickles on the stem and bracts at the base …

Dioscorea alata, Winged Yam


Invasive Species: Dioscorea alata, Winged Yam

Winged yam is an invasive herbaceous, twining vine that can grow to lengths exceeding 30 ft. (9.1 m). It invades open to shady areas in the extreme southeastern United States. Leaves are opposite, …

Vinca minor, Common Periwinkle


Invasive Species: Vinca minor, Common Periwinkle

Common periwinkle, a common invader throughout most of the United States, is an evergreen to semievergreen trailing vine that reaches up to 6.6 ft. (2 m) in length. Vines can reach a height …

Dioscorea bulbifera, Air Potato


Invasive Species: Dioscorea bulbifera, Air Potato

Air potato is an invasive herbaceous, twining vine that can grow to lengths exceeding 60 ft. (18 m). It invades open areas in the subtropical Southeastern United States. The leaves are alternate, 8 …

Paederia foetida, Skunk Vine


Invasive Species: Paederia foetida, Skunk Vine

Skunk vine is an invasive perennial climbing or trailing vine that can grow to 30 ft. (9.1 m) long. Plants originate from a woody rootstock and can invade natural and disturbed areas of …

Euonymus fortunei, Winter Creeper


Invasive Species: Euonymus fortunei, Winter Creeper

Winter creeper is an evergreen, woody vine that invades forests throughout the Eastern United States. The plant can be a small shrub growing in mats along the forest floor to 3 ft (0.9 …

Wisteria sinensis, Chinese Wisteria


Invasive Species: Wisteria sinensis, Chinese Wisteria

Chinese wisteria is an invasive deciduous woody vine capable of growing to a height of 40 ft. (12.2 m). Stems can be up to 10 in. (25.4 cm) in diameter, with smooth, gray-brown …