Bidens là một chi thực vật có hoa trong họ Cúc (Asteraceae)
- Bidens alba (L.) DC. – romerillo
- Bidens amplectens Sherff – Waiʻanae kokoʻolau
- Bidens amplissima Greene – Vancouver Island beggarticks
- Bidens aristosa (Michx.) Britt. – bearded beggarticks, long-bracted beggarticks, tickseed sunflower, western tickseed
- Bidens asymmetrica (Levl.) Sherff – Koʻolau kokoʻolau, Ko'olau Range beggarticks
- Bidens aurea (Ait.) Sherff – Arizona beggarticks
- Bidens beckii – Beck's water-marigold, Henderson's water-marigold, Oregon water-marigold
- Bidens bidentoides (Nutt.) Britt. – Delmarva beggarticks
- Bidens bigelovii A.Gray – Bigelow's beggarticks
- Bidens bipinnata L. – Spanish needles, hemlock beggarticks, gui zheng cao (Chinese: 鬼針草)
- Bidens biternata
- Bidens campylotheca Sch.Bip.– viper beggarticks
- Bidens cernua L. (syn. B. glaucescens Greene) – nodding beggarticks, nodding bur-marigold
- Bidens cervicata Sherff – Kauaʻi beggarticks
- Bidens chippii (M.B.Moss) Mesfin
- Bidens conjuncta Sherff – bog beggarticks
- Bidens connata[11] Muhl. ex Willd. – purplestem beggarticks
- Bidens coronata (L.) Britt. – crowned beggarticks
- Bidens cosmoides (A.Gray) Sherff – cosmosflower beggarticks, poʻola nui
- Bidens cynapiifolia Kunth – West Indian beggarticks, alfilerillo
- Bidens discoidea (Torr. & A.Gray) Britt. – discoid beggarticks, small beggarticks, swamp beggarticks, few-bracted beggarticks
- Bidens eatonii Fern. – Eaton's beggarticks, bident d'Eaton
- Bidens ferulifolia (Jacq.) DC. – Apache beggarticks, fern-leaved beggarticks
- Bidens forbesii Sherff – coastal bluff beggarticks
- Bidens frondosa L. – devil's beggarticks, devil's pitchfork, devil's bootjack, pitchfork weed, common beggarticks, sticktights. Pitchfork weed (B. frondosa) is considered to be a weed in New Zealand.
- Bidens gardneri Baker – ridge beggarticks
- Bidens hawaiensis A.Gray – Hawaiʻi beggarticks
- Bidens henryi Sherff
- Bidens heterodoxa (Fern.) Fern. & H.St.John – Connecticut beggarticks, bident différent
- Bidens heterosperma Gray – Rocky Mountain beggarticks
- Bidens hillebrandiana (Drake) O.Deg. – seacliff beggarticks
- Bidens hyperborea Greene – estuary beggarticks, coastal beggarticks, northern estuarine beggarticks, seacliff beggarticks
- Bidens laevis (L.) B.S.P. – smooth beggarticks, smooth bur-marigold, larger bur-marigold. Smooth beggarticks (B. laevis) is a common fallflower in the southeastern United States.
- Bidens lemmonii Gray – Lemmon's beggarticks
- Bidens leptocephala Sherff – few-flowered beggarticks
- Bidens leptophylla
- Bidens macrocarpa (Gray) Sherff – large-fruited beggarticks
- Bidens mannii T.G.J.Rayner
- Bidens mauiensis (Gray) Sherff – Maui beggarticks
- Bidens maximowicziana
- Bidens menziesii (Gray) Sherff – Mauna Loa beggarticks
- Bidens micrantha Gaud. – grassland beggarticks
- B. micrantha ssp. kalealaha Nagata & Ganders – Kalealaha beggarticks
- Bidens mitis (Michx.) Sherff – small-fruited beggarticks
- Bidens molokaiensis (Hillebr.) Sherff – Molokaʻi beggarticks, wedge beggarticks
- Bidens × multiceps Fassett
- Bidens parviflora
- Bidens pilosa S.F.Blake – hairy beggarticks
- Bidens polylepis S.F.Blake
- Bidens populifolia Sherff – Oʻahu beggarticks
- Bidens radiata
- Bidens reptans (L.) G.Don – manzanilla trepador
- Bidens sandvicensis Less. – shrubland beggarticks
- Bidens schimperi Sch.Bip.
- Bidens simplicifolia C.H.Wright
- Bidens socorrensis
- Bidens squarrosa Kunth
- Bidens subalternans DC.
- Bidens sulphurea
- Bidens tenuisecta A.Gray – slim-lobed beggarticks
- Bidens torta Sherff – corkscrew beggarticks
- Bidens trichosperma (Michx.) Britton – crowned beggarticks
- Bidens tripartita L. (syn. B. acuta, B. comosa) – three-lobed beggarticks, three-part beggarticks, leafy-bracted beggarticks, trifid bur-marigold
- Bidens triplinervia Kunth
- B. triplinervia var. macrantha (Wedd.) Sherff
- Bidens valida Sherff – Mt. Kahili beggarticks
- Bidens vulgata Greene – big devil's beggarticks, tall beggarticks, tall bur-marigold, western sticktight
- Bidens wiebkei Sherff – Wiebke's beggarticks
Formerly placed here[edit]
- Cosmos atrosanguineus (Hook.) Voss (as B. atrosanguinea (Hook.) Ortgies ex Regel)
- Cosmos bipinnatus Cav. (as B. formosa (Bonato) Sch.Bip.)
- Melanthera nivea (L.) Small (as B. nivea L.)
- Salmea scandens (L.) DC. (as B. scandens L.)
- Thelesperma megapotamicum (Spreng.) Kuntze (as B. megapotamica Spreng.)[9]
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