Bidens aurea , the Arizona beggarticks, is a North American species of flowering plant in the family Asteraceae. It is widespread across much of Mexico and found also in Arizona and Guatemala.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, 503–570Breedlove, D.E. 1986. Flora de Chiapas. Listados Florísticos de México 4: i–v, 1–246.García-Mendoza, A. J. & J. A. Meave. 2011. Diversidad Florística de Oaxaca: de Musgos a Angispermas 1–351. Universidad Nacional Autónoma de México, Ciudad UniversitariaBiota of North America Program 2014 county distribution map The species is also naturalized in parts of Europe and South America.Altervista Flora Italiana, Forbicina dorata, Bidens aurea (Aiton) SherffZuloaga, 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.
Description 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.Flora of North America, Bidens amplissima Greene, Pittonia. 4: 268. 1901.
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