Bidens vulgata is a species of flowering plant in the daisy family known by the common names big devils beggarticks and tall beggarticks. It is native to eastern and central North America from Nova Scotia to northern Georgia and as far west as the Rocky Mountains. It is an introduced species on the West Coast of North America as well as parts of Europe.
Bidens vulgata is an annual herb producing a hairy stem which generally grows 30 to 50 centimeters (12 to 20 inches) tall but often grows much taller, exceeding 100 cm (39 in). The leaves are made up of several lance-shaped leaflets each up to 8 centimeters long. The inflorescence produces several small flower heads with centers of yellow disc florets and a fringe of 3 to 5 yellow ray florets a few millimeters in length. Some heads lack ray florets. The fruit is a flattened achene with two sharp barbs at one end. The species grows primarily in wet locations such as swamps, marshes, streambanks, etc.
- The Plant List, Bidens vulgata Greene
- Tropicos, Bidens vulgata Greene
- "Bidens vulgata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 9 January 2016.
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
- Biota of North America Program 2014 county distribution map
- Altervista Flora Italiana, Forbicina comune, Bidens vulgata Greene
- Flora of North America, Bidens vulgata Greene, Pittonia. 4: 72. 1899.
- Greene, Edward Lee 1899. Pittonia 4(21A): 72 as Bidens vulgatus
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