Content tagged "terrestrial invasive species"

Tussilago farfara, Coltsfoot

Gardens & Landscapes Invasive Species Updated: October 05, 2012

Coltsfoot is a perennial, herbaceous plant that invades disturbed areas throughout much of the eastern United States. The basal leaves are heart-shaped,...

Arthraxon hispidus, Small Carpgrass

Gardens & Landscapes Invasive Species Updated: October 05, 2012

Small carpgrass is an invasive annual grass that was introduced into the United States, either accidentally or by immigrants, from Japan and eastern Asia....

Bromus tectorum, Cheatgrass

Gardens & Landscapes Invasive Species Updated: October 05, 2012

Cheatgrass is an annual grass that forms tufts up to 2 ft. (0.6 m) tall. The leaves and sheaths are covered in short, soft hairs. The flowers occur as...

Paspalum quadrifarium, Tussock Paspalum

Gardens & Landscapes Invasive Species Updated: October 05, 2012

Tussock paspalum is an invasive perennial plant that grows in large, bluish-green bunches, or tufts, reaching 6 ft. (1.8 m) in height. Leaves are 5.9-15.7...

Elymus repens, Quackgrass

Gardens & Landscapes Invasive Species Updated: October 05, 2012

Quackgrass is an invasive perennial, cool-season, rhizomatous grass. The stems are green to whitish, erect to decumbent and can grow to 3 ft (0.9 m) tall....

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...

Pastinaca sativa, Wild Parsnip

Wild parsnip is a biennial/perennial herb that can grow up to 4 ft. (1.2 m) in height. Leaves are alternate, compound, and branched with jagged teeth....

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)...

Salvia aethiopis, Mediterranean Sage

Mediterranean sage is an invasive biennial plant with square stems reaching up to 3 ft. (0.9 m) tall. Fine, woolly hairs cover the stems, new leaves, and...

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...

Solanum torvum, Turkey Berry

Turkey berry is a broadleaved, evergreen shrub or small tree that invades a variety of ecosystems in Florida. Plants can grow to 16 ft. (4.9 m) in height....

Hyoscyamus niger, Black Henbane

Black henbane is an invasive annual or biennial plant that can grow to 3 ft. (1 m) in height. The fetid-smelling leaves are alternate, simple, toothed, up to...

Hemerocallis fulva, Orange Daylily

Orange daylily is a popular ornamental that has escaped to invade natural and disturbed areas throughout the United States. Plants are 2 to 4 ft. (0.6 to 1.2...

Xanthium strumarium, Common Cocklebur

Common cocklebur is an invasive annual herb, with several regional varieties, some possibly native to North America. Historically, the seeds were eaten by...

Galega officinalis, Goatsrue

Goatsrue is an invasive plant found in Utah, Pennsylvania, and New York. Goatsrue is listed as a Federal Noxious Weed. It is an herbaceous, perennial plant...

Ligustrum lucidum, Glossy Privet

Glossy privet is a semi-evergreen shrub or small tree that grows up to 40 ft (12.2 m) in height. This invasive plant out-competes many native species.  The...

Ligustrum sinense, Chinese Privet

Invasive Species Updated: April 30, 2012

Chinese privet invades and damages native ecosystems. Privet's dense growth shades out native plants, especially in the forest understories and along...

Ulmus pumila, Siberian Elm

Siberian elm is an invasive tree that forms dense thickets, shading and crowding out native plants. It is a deciduous tree that grows up to 70 ft. (21.3 m)...

Centaurea solstitialis, Yellow Starthistle

Yellow starthistle invades a wide variety of habitats. It is an annual that can grow from 0.25 to 3 ft. (0.1 to 1 m) in height. Leaves near the base are...

Colocasia esculenta, Coco Yam

Coco yam is an invasive perennial forb that originates from a large corm and can grow to 4 ft. (1.5 m) in height. Leaves, supported by petioles that are 3...

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...

Acer ginnala, Amur Maple

Amur maple is an invasive multi-stemmed shrub or small tree that grows from 10 to 20 ft. (3 to 6 m) tall. The leaves are opposite and simple. They are...

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...

Imperata cylindrica, Cogongrass

Cogongrass is an aggressively invasive, colony-forming perennial grass that can grow to 6 ft. (1.8 m) tall. Leaves have off-center, whitish midribs and...

Miscanthus sinensis, Chinese Silvergrass

Chinese silvergrass is a densely bunched grass that grows up to 12 ft. (3.7 m) tall and invades roadsides, forest edges, old fields, and other disturbed...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.