Bidens aurea

Bidens aurea (Arizona beggarticks)[2] is a North American species of flowering plant in the daisy family. It is widespread across much of Mexico and found also in Arizona and Guatemala.[3][4][5][6] The species is also naturalized in parts of Europe and South America.[7][8]

Bidens aurea
from naturalized population in Chile
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species:
B. aurea
Binomial name
Bidens aurea
(Aiton) Sherff
Synonyms[1]

Bidens aurea is an annual herb occasionally reaching a height of 250 cm (100 inches). It produces numerous yellow or whitish flower heads containing both disc florets and ray florets. It grows primarily in wet areas such as marshes and streambanks.[9]

References
  1. The Plant List, Bidens aurea (Aiton) Sherff
  2. "Bidens aurea". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 28 May 2015.
  3. Nash, D. L. 1976. Tribe V, Heliantheae. En: Nash, D.L. & Williams, L.O. (Eds), Flora of Guatemala - Part XII. Fieldiana: Botany 24(12): 181–361, 503–570
  4. Breedlove, D.E. 1986. Flora de Chiapas. Listados Florísticos de México 4: i–v, 1–246.
  5. García-Mendoza, A. J. & J. A. Meave. 2011. Diversidad Florística de Oaxaca: de Musgos a Angispermas 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria
  6. Biota of North America Program 2014 county distribution map
  7. Altervista Flora Italiana, Forbicina dorata, Bidens aurea (Aiton) Sherff
  8. Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107(1–3): i–xcvi, 1–3348.
  9. Flora of North America, Bidens amplissima Greene, Pittonia. 4: 268. 1901.


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