Bidens tenuisecta , the slim lobe beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to northern Mexico (Chihuahua)SEINet, Southwestern biodiversity, Arizona Chapter, Bidens tenuisecta A. Gray description, photos, distribution map and the western United States (Arizona, New Mexico, Colorado and Utah, with a few isolated populations in Texas and Idaho). There are also reports of populations in the northeastern United States (Massachusetts, New York, Maryland) but these are almost assuredly introductions.Flora of North America, Bidens tenuisecta A. GrayBiota of North America Program 2014 county distribution map
Bidens tenuisecta is an annual herb up to 120 cm (4 feet) tall. It produces up to three yellow flower heads per branch, with each head containing both disc florets and ray florets. The plant grows in meadows and along mountain streams.
References
External links iNaturalist: Aceitilla (Bidens tenuisecta) Go Botany, New England Wildflower Society (introduced)