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, …
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, …
Wetland nightshade is a sprawling, semi-woody shrub that invades wetlands in Florida. The green stems are up to 15 ft. (4.6 m) long and prickly. Leaves are alternate, to 10 in. (25 cm) …
Parrotfeather watermilfoil is an herbaceous, rooted, submerged/emergent plant that invades aquatic habitats throughout much of the United States. Stems are stout and blue-green in color. Leaves are abundant, whorled, pinnately compound, and finely …
Fig buttercup is a short (up to 12 in. [30.5 cm]), herbaceous perennial that invades forests throughout the East, Midwest and Pacific Northwest regions of the United States. The basal leaves are dark …
Oriental ladysthumb is an invasive annual forb that can reach 6 to 30 in. (15.2 to 76.2 cm) in height and can be either erect or sprawling. Leaves are elongate, narrow, and pointed …
Prickly lettuce is an invasive annual or biennial that can reach heights of 6 ft. (1.8m). Cauline leaves (on the stem) are alternate, 2 to 14 in. (5 to 36 cm) long; they …
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 …
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 …
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 …
Black locust is a deciduous tree that, while native to parts of the United States, has spread to and become invasive in other parts of the country. Trees grow from 40 to 100 …