{{short description|North American species of flowering plant}} {{Speciesbox |image = Bidens aurea (9471534051).jpg |image_caption = from naturalized population in Chile |status = G5 |status_system = TNC |status_ref = <ref>{{cite web |title=NatureServe Explorer 2.0 |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.156817/Bidens_aurea |website=explorer.natureserve.org |access-date=6 April 2023}}</ref> |genus = Bidens |species = aurea |authority = (Aiton) Sherff |synonyms_ref = <ref>[http://www.theplantlist.org/tpl1.1/record/gcc-133962 The Plant List, ''Bidens aurea '' (Aiton) Sherff]</ref> |synonyms = {{collapsible list|bullets = true |title=<small>Synonymy</small> |''Bidens arguta'' <small>Kunth</small> |''Bidens decolorata'' <small>Kunth</small> |''Bidens heterophylla'' <small>Ortega</small> |''Bidens longifolia'' <small>DC.</small> |''Bidens luxurians'' <small>Willd.</small> |''Bidens tetragona'' <small>(Cerv.) DC.</small> |''Bidens warszewicziana'' <small>Regel</small> |''Coreopsis aurea'' <small>Dryand. ex Aiton</small> |''Coreopsis coronata'' <small>Walter 1788 not L. 1763</small> |''Coreopsis ferulifolia'' <small>Jacq.</small> |''Coreopsis lucida'' <small>Cav.</small> |''Coreopsis luxurians'' <small>(Willd.) P. Pell.</small> |''Coreopsis nitida'' <small>Cav.</small> |''Coreopsis nitida'' <small>Hort.</small> |''Coreopsis tetragona'' <small>Cerv. ex La Llave & Lex.</small> |''Diodonta aurea'' <small>(Dryand. ex Aiton) Nutt.</small> |''Diodonta leptophylla'' <small>Nutt.</small> |}}}}

'''''Bidens aurea ''''', the '''Arizona beggarticks''',<ref>{{PLANTS|id=BIAU|taxon=Bidens aurea|accessdate=28 May 2015}}</ref> 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.<ref>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</ref><ref>Breedlove, D.E. 1986. Flora de Chiapas. Listados Florísticos de México 4: i–v, 1–246.</ref><ref>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</ref><ref>[http://bonap.net/MapGallery/County/Bidens%20aurea.png Biota of North America Program 2014 county distribution map]</ref> The species is also naturalized in parts of Europe and South America.<ref>[http://luirig.altervista.org/flora/taxa/index1.php?scientific-name=bidens+aurea Altervista Flora Italiana, Forbicina dorata, ''Bidens aurea'' (Aiton) Sherff]</ref><ref>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.</ref>

== Description == ''Bidens aurea '' is an annual herb occasionally reaching a height of 250&nbsp;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.<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066222 Flora of North America, ''Bidens amplissima'' Greene, Pittonia. 4: 268. 1901. ]</ref>

==References== {{Reflist}}

{{Commons category-inline|Bidens aurea}}

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aurea Category:Flora of Mexico Category:Flora of Arizona Category:Flora of Guatemala Category:Plants described in 1901

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