Bidens heterodoxa explained

Bidens heterodoxa, the Connecticut beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to eastern Canada (Québec, New Brunswick, Prince Edward Island) and the northeastern United States (Connecticut).^{[1] [2] [3] [4]}

Bidens heterodoxa is an annual herb up to 50 cm (20 inches) tall. It produces as many as 3 flower heads containing yellow disc florets but usually no ray florets (occasionally 1, 2, or 3). The species grows mostly along the banks of estuaries and coastal salt marshes.^[5]

Notes and References

1. http://bonap.net/MapGallery/County/Bidens%20heterodoxa.png Biota of North America Program 2014 county distribution map
2. https://www.biodiversitylibrary.org/page/567499#page/24/mode/1up Fernald, Merritt Lyndon & St. John, Harold 1915. Rhodora 17(193): 23-24
3. https://www.biodiversitylibrary.org/page/602812#page/129/mode/1up Fernald, Merritt Lyndon 1932. Rhodora 34:116-117
4. https://www.biodiversitylibrary.org/page/567309#page/81/mode/1up Fernald, Merritt Lyndon 1913. Rhodora 15(172): 76
5. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066228 Flora of North America, Bident différent, Bidens heterodoxa (Fernald) Fernald & H. St. John