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Bidens trichosperma
Also called Hairy Seed Beggarticks, Southern Tickseed Sunflower, Marsh Beggarticks, Marsh Tickseed, Tall Swamp Marigold, Tickseed Sunflower
Bidens trichosperma, the marsh beggar-ticks or marsh tickseed, is a North American species of flowering plant in the family Asteraceae. It is native to central Canada (Quebec, Ontario) and to the eastern and north-central United States (primarily the Northeast, Great Lakes, and northern Great Plains, with a few isolated populations in the Southeast).
Bidens trichosperma is an annual herb up to 150 cm (60 inches) tall. It produces numerous yellow flower heads containing both disc florets and ray florets. The species is commonly found in marshes and along estuaries.
Bidens acrifolia · Bidens acuticaulis · Romerillo · Kokolau · Vancouver Island beggarticks · Bearded beggarticks · Arizona beggarticks · Beck's water-marigold · Delmarva beggarticks · Bigelow's beggarticks · Spanish needles · Bidens cabopulmensis
Text excerpted from the Wikipedia article Bidens trichosperma by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
