Bidens bidentoides

Bidens bidentoides
1913 illustration[1]
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Heliantheae
Subtribe:	Coreopsidinae
Genus:	Bidens
Species:	B. bidentoides
Binomial name
Bidens bidentoides (Nutt.) Britton
Synonyms[2]
Bidens bidentoides var. mariana (S.F.Blake) Sherff Bidens bipinnata var. biternatoides Sherff Bidens mariana S.F.Blake Coreopsis bidentoides (Nutt.) Nutt. ex Torr. & A.Gray Diodonta bidentoides Nutt.

Bidens bidentoides is an uncommon North American species of flowering plant in the daisy family. It is native to the northeastern and east-central parts of the United States, the coastal plain of the States of Maryland, Delaware, Pennsylvania, and New Jersey plus the region around the Hudson River estuary in New York.^[3] Common name is Delmarva Beggar-ticks, in reference to the Delmarva Peninsula in Delaware, eastern Maryland, and eastern Virginia.^[4]

Bidens bidentoides is an annual herb up to 90 cm (3 feet) tall. It usually produces flower headsone at a time, the heads containing both disc florets and ray florets. The species grows along the banks of streams and estuaries.^[5]

References

1. 1913 illustration from USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 496.
2. The Plant List, Bidens bidentoides (Nutt.) Britton
3. Biota of North America Program 2014 county distribution map
4. New York Natural Heritage Program, Delmarva Beggar-ticks, Bidens bidentoides (Nutt.) Britt.
5. Flora of North America, Bidens bidentoides (Nutt.) Britton

External links

• Friends for the Abbott Marshlands, Aree estuarine beggar-ticks
• Bob Cunningham | all galleries >> Threatened and endangered plants in NJ > Bidens bidentoides- Estuary Beggar Ticks