• Rhynchosia Loureiro, 1790 [Family: Fabaceae]
• Rhynchosia Macquart, 1848 accepted as Aphria Robineau-Desvoidy, 1830 [Family: Tachinidae]
• Rhynchosia Motschoulsky, 1855 (uncertain) [Family: Coleoptera (awaiting allocation)]
• Rhynchosia acuminata Eckl. & Zeyh. accepted as Rhynchosia caribaea (Jacq.) DC.
• Rhynchosia acuminatifolia Makino
• Rhynchosia acuminatissima Miq.
• Rhynchosia acuminatissma Miq.
• Rhynchosia acutifolia (F. Muell.) Benth. accepted as Cajanus acutifolius (F. Muell.) Maesen
• Rhynchosia acutissima Thwaites
• Rhynchosia adenantha Miq. accepted as Rhynchosia minima (L.) DC.
• Rhynchosia adenodes Eckl. & Zeyh.
• Rhynchosia aequinoctialis Duchass. & Walp. accepted as Rhynchosia reticulata (Sw.) DC.
• Rhynchosia affinis De Wild.
• Rhynchosia airica Mire & H. Gillet accepted as Rhynchosia totta (Thunb.) DC.
• Rhynchosia albae-pauli Berhaut
• Rhynchosia alba-pauli Berhaut accepted as Rhynchosia albae-pauli Berhaut
• Rhynchosia albidiflora (Sims) Alston accepted as Rhynchosia hirta (Andrews) Meikle & Verdc.
• Rhynchosia albiflora (Sims) Alston accepted as Rhynchosia hirta (Andrews) Meikle & Verdc.
• Rhynchosia albiflora sensu auct. accepted as Rhynchosia albae-pauli Berhaut
• Rhynchosia albissima Gand.
• Rhynchosia albomarginata Chiov. accepted as Rhynchosia albissima Gand.
• Rhynchosia alluaudii Sacleux
• Rhynchosia amabilis Grear
• Rhynchosia ambacensis (Hiern) K. Schum.
• Rhynchosia americana (Mill.) Metz
• Rhynchosia androyensis Du Puy & Labat
• Rhynchosia angulosa Schinz
• Rhynchosia angustifolia A. Gray accepted as Rhynchosia senna Hook.
• Rhynchosia angustifolia DC.
• Rhynchosia antennulifera Baker accepted as Eminia antennulifera (Baker) Taub.
• Rhynchosia apoloensis (Rusby) J.F. Macbr. accepted as Rhynchosia edulis Griseb.
• Rhynchosia arenaria Blatt. & Hallb. accepted as Rhynchosia schimperi Boiss.
• Rhynchosia arenicola Hassl.
• Rhynchosia argentea Harv.
• Rhynchosia argyi H. Lev. accepted as Glycine max (L.) Merr.
• Rhynchosia arida C.H. Stirt.
• Rhynchosia aurea (Willd.) DC.
• Rhynchosia aurea auct. non DC. accepted as Rhynchosia capitata (Roth) DC.
• Rhynchosia aureo-guttata Andersson accepted as Rhynchosia minima (L.) DC.
• Rhynchosia aureovillosa Hauman accepted as Rhynchosia ferruginea A. Rich.
• Rhynchosia australis Benth. accepted as Rhynchosia minima (L.) DC.
• Rhynchosia australis Rose accepted as Rhynchosia discolor M. Martens & Galeotti
• Rhynchosia avensis Baker
• Rhynchosia axilliflora Hauman
• Rhynchosia bakeri Schinz
• Rhynchosia balansae Micheli
• Rhynchosia barbertonensis C.H. Stirt.
• Rhynchosia baukea Du Puy & Labat
• Rhynchosia baumii Harms
• Rhynchosia baumii sensu Hauman accepted as Rhynchosia luteola (Hiern) K. Schum.
• Rhynchosia beddomei Baker
• Rhynchosia benguellensis Torre accepted as Pseudeminia benguellensis (Torre) Verdc.
• Rhynchosia biballensis Torre
• Rhynchosia bicolor Micheli accepted as Rhynchosia precatoria (Willd.) DC.
• Rhynchosia biflora DC. accepted as Cajanus scarabaeoides (L.) Thouars
• Rhynchosia bracteata Baker
• Rhynchosia braunii Harms
• Rhynchosia breviracemosa Hauman accepted as Rhynchosia viscosa (Roth) DC.
• Rhynchosia brunnea Baker f.
• Rhynchosia buchananii Harms
• Rhynchosia buettneri Harms
• Rhynchosia bullata Harv.
• Rhynchosia buramensis E.A. Bruce & Hutch. accepted as Rhynchosia elegans A. Rich.
• Rhynchosia burkartii Fortunato
• Rhynchosia burkei Burtt Davy & Baker f.
• Rhynchosia caaguazuensis Hassl.
• Rhynchosia cajanoides Guill. & Perr. accepted as Eriosema psoraleoides (Lam.) G. Don
• Rhynchosia calcicola Craib
• Rhynchosia caliensis Harms accepted as Rhynchosia schomburgkii Benth.
• Rhynchosia calobotrya Harms
• Rhynchosia calosperma Warb.
• Rhynchosia calvescens Meikle
• Rhynchosia calycina E. Mey.
• Rhynchosia calycina Guill. & Perr. accepted as Rhynchosia pycnostachya (DC.) Meikle
• Rhynchosia calycosa Hemsl.
• Rhynchosia cana (Willd.) DC.
• Rhynchosia candicans Kurz, p.p. accepted as Rhynchosia avensis Baker
• Rhynchosia candida (Hiern) Torre
• Rhynchosia candollei Decne. accepted as Rhynchosia minima (L.) DC.
• Rhynchosia capensis (Burm. f.) Schinz
• Rhynchosia capitata (Roth) DC.
• Rhynchosia caribaea (Jacq.) DC.
• Rhynchosia caribaea sensu auct. accepted as Rhynchosia sublobata (Schum.) Meikle
• Rhynchosia castroi Baker f.
• Rhynchosia chapelieri Baill., p.p.
• Rhynchosia chevalieri Harms
• Rhynchosia chinensis Y.T. Wei & S.K. Lee
• Rhynchosia chrysadenia Taub. accepted as Rhynchosia densiflora (Roth) DC.
• Rhynchosia chrysantha Zahlbr.
• Rhynchosia chrysoscias Harv. & Sond.
• Rhynchosia ciliata (Thunb.) Druce
• Rhynchosia cinerea Nash
• Rhynchosia clausseni Benth.
• Rhynchosia cliffordii Hutch. & E.A. Bruce
• Rhynchosia clivorum S. Moore
• Rhynchosia comosa Baker accepted as Pseudeminia comosa (Baker) Verdc.
• Rhynchosia confusa Burtt Davy
• Rhynchosia congensis Baker
• Rhynchosia connata Baker f.
• Rhynchosia coodoorensis Bedd. accepted as Rhynchosia heynei Wight & Arn.