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Wasowski, Sally and Andy
Bidens aristosa (Michx.) Britton
Bearded beggarticks, Tickseed sunflower
Synonym(s): Bidens aristosa var. fritcheyi, Bidens aristosa var. mutica, Bidens aristosa var. retrorsa, Bidens involucrata, Bidens polylepis, Bidens polylepis var. retrorsa
USDA Symbol: BIAR
USDA Native Status: L48 (N), CAN (I)
Slender, leafy, much-branched stems bearing several yellow, daisy-like flower heads.
The prickly fruit of Bidens species are known as beggars-ticks, the very common, 2-pronged stickers that cling to ones clothing during autumn walks. They can be removed easily with the flat edge of a knife blade.
Plant CharacteristicsDuration: Annual Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug
, WV Canada: ON Native Distribution:
Ontario; New England south to Georgia, west to Texas, and north to Nebraska, Iowa, and Minnesota. Native Habitat:
Wet meadows, roadside ditches, abandoned fields, and low ground.
Growing ConditionsWater Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2010-05-28
Research By: TWC Staff