Bidens eatonii

Bidens eatonii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species:
B. eatonii
Binomial name
Bidens eatonii

Bidens eatonii (Eaton's beggarticks)[2] 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 (Maine, Massachusetts, Connecticut, New York, New Jersey).[3]

Bidens eatonii is an annual herb up to 150 cm (60 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.[4][5][6]

Conservation status in the United States

It is listed as endangered in Connecticut,[7] Massachusetts, and New Jersey. It is listed as threatened in Maine.[8]

References

  1. ^ Smith, K. (2016). "Bidens eatonii". The IUCN Red List of Threatened Species. 208. IUCN. e.T64264329A67728563. doi:10.2305/IUCN.UK.2016-1.RLTS.T64264329A67728563.en.
  2. ^ NRCS. "Bidens eatonii". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 29 May 2015.
  3. ^ "Bidens eatonii". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. ^ Strother, John L.; Weedon, Ronald R. (2006). "Bidens eatonii". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  5. ^ Fernald, Merritt Lyndon 1903. Rhodora 5(51): 92 description and figure captions in English
  6. ^ Fernald, Merritt Lyndon 1903. Rhodora 5(51): plate 45, figures 11-20 line drawings of Bidens eatonii
  7. ^ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
  8. ^ NRCS. "Bidens eatonii". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 28 January 2018.


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