An upright annual or shortlived perennial in the aster family (Asteraceae) growing to a height of 1-5 feet and having slender, leafy, branched stems bearing several golden yellow, daisy-like flower heads. Leaves are approximately 6 inches long, opposite, pinnately divided, and segments toothed. Flowers head are 1-2 inches wide blooming August-October. Seed-like fruits are flat, ovoid, usually with 2 barbed spines.
Habitat
Wet meadows, roadside ditches, abandoned fields, low ground, open bottomlands, stream banks, and other damp areas such as ditches.
Distribution
This species is reported from states shaded on Plants Database map.
Ecological Impacts
The prickly fruit are known as beggars'-ticks with 2-pronged "stickers" that cling to clothing in autumn. This species spreads to displace native plant species.
Control and Management
Manual - Mow to prevent encroachment.
Chemical - It can be effectively controlled using any of several readily available general use herbicides such as glyphosate, dicaba, or picloram. Follow label and state requirements.
U.S. Forest Service (Lead Author);Sidney Draggan (Topic Editor) "Bearded Beggarticks". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth October 30, 2010; Last revised Date December 7, 2010; Retrieved May 24, 2012 <http://www.eoearth.org/article/Bearded_Beggarticks>
The Author
Established in 1905, the Forest Service is an agency of the U.S. Department of Agriculture. The Forest Service manages public lands in national forests and grasslands. Gifford Pinchot, the first Chief of the Forest Service, summed up the mission of the Forest Service— "to provide the greatest amount of good for the greatest amount of people in the long run." National forests and grasslands encompass 193 million acres of land, which is an area equivalent to the size of ... (Full Bio)
Bearded Beggarticks
Bidens aristosa (Michx.) Britt.
This article was produced by the USDA Forest Service, Forest Health Staff, Newtown Square, PA. WOW 01-21-05. Invasive Plants website.
An upright annual or shortlived perennial in the aster family (Asteraceae) growing to a height of 1-5 feet and having slender, leafy, branched stems bearing several golden yellow, daisy-like flower heads. Leaves are approximately 6 inches long, opposite, pinnately divided, and segments toothed. Flowers head are 1-2 inches wide blooming August-October. Seed-like fruits are flat, ovoid, usually with 2 barbed spines.
Habitat
Wet meadows, roadside ditches, abandoned fields, low ground, open bottomlands, stream banks, and other damp areas such as ditches.
Distribution
This species is reported from states shaded on Plants Database map.
Ecological Impacts
The prickly fruit are known as beggars'-ticks with 2-pronged "stickers" that cling to clothing in autumn. This species spreads to displace native plant species.
Control and Management
Manual - Mow to prevent encroachment.
Chemical - It can be effectively controlled using any of several readily available general use herbicides such as glyphosate, dicaba, or picloram. Follow label and state requirements.
This species is reported from states shaded on Plants Database map.
Flowers, Bearded beggarticks.
Reference
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