• Bidens Fischer, 1814 (uncertain) [Family: Mammalia (awaiting allocation)]
• Bidens Linnaeus, 1753 [Family: Asteraceae]
• Bidens Spix, 1824 accepted as Harpagus Vigors, 1924 [Family: Accipitridae]
• Bidens acuta (Wieg.) Britt. accepted as Bidens tripartita Linnaeus
• Bidens alba (L.) DC.
• Bidens alba (Linnaeus) A.P. Candolle
• Bidens amplectens Sherff
• Bidens amplissima Greene
• Bidens aristosa (Michx.) Britt.
• Bidens asplenioides Sherff accepted as Bidens cervicata Sherff
• Bidens asymmetrica (Levl.) Sherff
• Bidens aurea (Ait.) Sherff
• Bidens awaluana O. & I. Deg. & Sherff accepted as Bidens mauiensis (Gray) Sherff
• Bidens beckii Torr. ex Spreng. accepted as Megalodonta beckii (Torr. ex Spreng.) Greene
• Bidens bidentoides (Nutt.) Britt.
• Bidens bigelovii Gray
• Bidens bipinnata Linnaeus
• Bidens campylotheca Schultz-Bip.
• Bidens caudatus (Kunth) Schultz-Bip. accepted as Cosmos caudatus Kunth
• Bidens cernua Linnaeus
• Bidens cervicata Sherff
• Bidens coartata Sherff accepted as Bidens sandvicensis Less.
• Bidens comosa (Gray) Wieg. accepted as Bidens tripartita Linnaeus
• Bidens conjuncta Sherff
• Bidens connata Muhl. ex Willd.
• Bidens coronata (L.) Britt.
• Bidens cosmoides (Gray) Sherff
• Bidens ctenophylla Sherff accepted as Bidens micrantha Gaud.
• Bidens cuneata Sherff
• Bidens cynapiifolia Kunth
• Bidens degeneri Sherff accepted as Bidens micrantha Gaud.
• Bidens dimidiata O. Deg. & Sherff ex Sherff accepted as Bidens cosmoides (Gray) Sherff
• Bidens discoidea (Torr. & Gray) Britt.
• Bidens distans Sherff accepted as Bidens micrantha Gaud.
• Bidens eatonii Fern.
• Bidens elegans Greene accepted as Bidens laevis (L.) B.S.P.
• Bidens fecunda O. Deg. & Sherff ex Sherff accepted as Bidens cervicata Sherff
• Bidens ferax O. Deg. & Sherff accepted as Bidens cervicata Sherff
• Bidens ferulifolia (Jacq.) DC.
• Bidens forbesii Sherff
• Bidens frondosa Linnaeus
• Bidens fulvescens Sherff accepted as Bidens torta Sherff
• Bidens gardneri Baker
• Bidens glaucescens Greene accepted as Bidens cernua Linnaeus
• Bidens gracilis Nutt. accepted as Bidens amplectens Sherff
• Bidens graciloides Sherff accepted as Bidens sandvicensis Less.
• Bidens halawana O. Deg. & Sherff accepted as Bidens amplectens Sherff
• Bidens hawaiensis Gray
• Bidens heterodoxa (Fern.) Fern. & St. John
• Bidens heterophylla Ortega accepted as Bidens aurea (Ait.) Sherff
• Bidens heterosperma Gray
• Bidens hillebrandiana (Drake) O. Deg.
• Bidens hyperborea Greene
• Bidens infirma Fern. accepted as Bidens heterodoxa (Fern.) Fern. & St. John
• Bidens involucrata (Nutt.) Britt. accepted as Bidens aristosa (Michx.) Britt.
• Bidens laevis (L.) B.S.P.
• Bidens lemmonii Gray
• Bidens leptocephala Sherff
• Bidens macrocarpa (Gray) Sherff
• Bidens magnidisca O. Deg. & Sherff accepted as Bidens campylotheca Schultz-Bip.
• Bidens mariana Blake accepted as Bidens bidentoides (Nutt.) Britt.
• Bidens mauiensis (Gray) Sherff
• Bidens megapotamica Spreng. accepted as Thelesperma megapotamicum (Spreng.) Kuntze
• Bidens menziesii (Gray) Sherff
• Bidens micrantha Gaud.
• Bidens micranthoides Sherff accepted as Bidens sandvicensis Less.
• Bidens mitis (Michx.) Sherff
• Bidens molokaiensis (Hbd.) Sherff
• Bidens mottle virus
• Bidens multiceps Fassett
• Bidens napaliensis Sherff accepted as Bidens forbesii Sherff
• Bidens nashii Small accepted as Bidens laevis (L.) B.S.P.
• Bidens nematocera (Sherff) Sherff accepted as Bidens wiebkei Sherff
• Bidens nivea Linnaeus accepted as Melanthera nivea (L.) Small
• Bidens obtusiloba Sherff accepted as Bidens sandvicensis Less.
• Bidens odorata Cav. accepted as Bidens pilosa Linnaeus
• Bidens pentamera (Sherff) O. Deg. & Sherff accepted as Bidens campylotheca Schultz-Bip.
• Bidens perversa O. Deg. & Sherff accepted as Bidens micrantha Gaud.
• Bidens pilosa Linnaeus
• Bidens polylepis Blake accepted as Bidens aristosa (Michx.) Britt.
• Bidens populifolia Sherff
• Bidens puberula Wieg. accepted as Bidens vulgata Greene
• Bidens pulchella (Less.) Schultz-Bip. accepted as Bidens sandvicensis Less.
• Bidens reptans (L.) G. Don
• Bidens salicoides Sherff accepted as Bidens menziesii (Gray) Sherff
• Bidens sandvicensis Less.
• Bidens scandens Linnaeus accepted as Salmea scandens (L.) DC.
• Bidens skottsbergii Sherff accepted as Bidens hawaiensis Gray
• Bidens squarrosa Kunth
• Bidens stokesii Sherff accepted as Bidens cervicata Sherff
• Bidens tenuisecta Gray
• Bidens torta Sherff
• Bidens trichosperma (Michx.) Britt. accepted as Bidens coronata (L.) Britt.
• Bidens tripartita Linnaeus
• Bidens urbanii Greenm. accepted as Bidens reptans (L.) G. Don
• Bidens valida Sherff
• Bidens vulgata Greene
• Bidens waianensis Sherff accepted as Bidens torta Sherff
• Bidens waimeana Sherff accepted as Bidens sandvicensis Less.
• Bidens wiebkei Sherff