• Lathyrus Linnaeus, 1753 [Family: Fabaceae]
• Lathyrus Schinz in Cuvier, 1825 accepted as Latirus Montfort, 1810 [Family: Fasciolariidae]
• Lathyrus acutifolius Vogel accepted as Lathyrus pubescens Hook. & Arn.
• Lathyrus aegaeus Davidov accepted as Lathyrus cicera Linnaeus
• Lathyrus alatus (Maxim.) Kom. accepted as Lathyrus komarovii Ohwi
• Lathyrus albellus Dunker & Metzger, 1874 accepted as Metzgeria alba (Jeffreys in Wyville-Thomson, 1873)
• Lathyrus albidus Eaton accepted as Lathyrus ochroleucus Hook.
• Lathyrus albus (L. f.) Kitt. accepted as Lathyrus pannonicus (Jacq.) Garcke
• Lathyrus albus A. Gray accepted as Lathyrus rigidus T.G. White
• Lathyrus alefeldii T.G. White accepted as Lathyrus laetiflorus Greene
• Lathyrus aleuticus (Greene) Pobed. accepted as Lathyrus japonicus Willd.
• Lathyrus aleuticus (T.G. White) Pobed. accepted as Lathyrus japonicus Willd.
• Lathyrus allardii Batt.
• Lathyrus alpestris (Waldst. & Kit.) Celak.
• Lathyrus altaicus Ledeb. accepted as Lathyrus humilis (Ser.) Spreng.
• Lathyrus americanus (Mill.) Kupicha accepted as Lathyrus nervosus Lam.
• Lathyrus americanus Mill. accepted as Rhynchosia americana (Mill.) Metz
• Lathyrus amoenus Fenzl accepted as Lathyrus gorgoni Parl.
• Lathyrus amphicarpos Linnaeus
• Lathyrus andicolus Gand. accepted as Lathyrus pubescens Hook. & Arn.
• Lathyrus angulatus Linnaeus
• Lathyrus angulatus sensu auct. accepted as Lathyrus leptophyllus M. Bieb.
• Lathyrus anhuiensis Y.J. Zhu & R.X. Meng
• Lathyrus annuus Linnaeus
• Lathyrus anomalus Phil. accepted as Vicia bijuga Hook. & Arn.
• Lathyrus aphaca Linnaeus
• Lathyrus arizonicus Britton
• Lathyrus armitageanus Loudon accepted as Lathyrus nervosus Lam.
• Lathyrus articulatus Linnaeus accepted as Lathyrus clymenum Linnaeus
• Lathyrus arvensis Phil. accepted as Lathyrus pusillus Elliott
• Lathyrus asiaticus (Zalkind) Kudr. accepted as Lathyrus sativus Linnaeus
• Lathyrus asphodeloides (Gouan) Gren. & Godr. accepted as Lathyrus pannonicus (Jacq.) Garcke
• Lathyrus atropatanus (Grossh.) Sirj.
• Lathyrus aureus (Steven) D. Brandza
• Lathyrus austriacus (Crantz) Wissjul. accepted as Lathyrus pannonicus (Jacq.) Garcke
• Lathyrus bauhinii P.A. Genty
• Lathyrus berteroanus Savi
• Lathyrus biflorus T.W. Nelson & J.P. Nelson
• Lathyrus bijugatus T.G. White
• Lathyrus bijugus Boiss. & Noe
• Lathyrus binatus Pancic
• Lathyrus bithynicus Linnaeus accepted as Vicia bithynica (L.) L.
• Lathyrus blepharicarpos Boiss. accepted as Lathyrus blepharicarpus Boiss.
• Lathyrus blepharicarpus Boiss.
• Lathyrus bolanderi S. Watson accepted as Lathyrus vestitus Torr. & A. Gray
• Lathyrus brachycalyx Rydb.
• Lathyrus brachyodon Murb.
• Lathyrus brownii Eastw. accepted as Lathyrus pauciflorus Fernald
• Lathyrus cabreranus Burkart
• Lathyrus californicus (S. Watson) S. Watson accepted as Lathyrus jepsonii Greene
• Lathyrus californicus Douglas accepted as Lathyrus japonicus Willd.
• Lathyrus campestris Phil.
• Lathyrus canescens (L. f.) Gren. & Godr. accepted as Lathyrus filiformis (Lam.) Gay
• Lathyrus cassius Boiss.
• Lathyrus caudatus Wei & H.P. Tsui
• Lathyrus chilensis Steud. accepted as Lathyrus hookeri G. Don
• Lathyrus chloranthus Boiss.
• Lathyrus cicera Hauman accepted as Lathyrus pusillus Elliott
• Lathyrus cicera Linnaeus
• Lathyrus ciliatidentatus Czefr.
• Lathyrus ciliatus Guss. accepted as Lathyrus saxatilis (Vent.) Vis.
• Lathyrus cinctus S. Watson accepted as Vicia nigricans Hook. & Arn.
• Lathyrus cirrhosus Ser.
• Lathyrus clymensum Linnaeus accepted as Lathyrus clymenum Linnaeus
• Lathyrus clymenum Linnaeus
• Lathyrus coccineus All. accepted as Lathyrus sphaericus Retz.
• Lathyrus coerulescens Boiss. & Reut.
• Lathyrus colchicus Lipsky
• Lathyrus coriaceus T.G. White accepted as Lathyrus lanszwertii Kellogg
• Lathyrus coruscans Emb. & Maire accepted as Lathyrus tingitanus Linnaeus
• Lathyrus crassipes Phil. accepted as Lathyrus pusillus Elliott
• Lathyrus cusickii S. Watson accepted as Lathyrus nevadensis S. Watson
• Lathyrus cyaneus (Steven) K. Koch accepted as Lathyrus digitatus (M. Bieb.) Fiori
• Lathyrus cyanus (Steven) K. Koch accepted as Lathyrus digitatus (M. Bieb.) Fiori
• Lathyrus davidii Hance
• Lathyrus debilis Clos accepted as Lathyrus berteroanus Savi
• Lathyrus debilis Vogel accepted as Lathyrus subulatus Lam.
• Lathyrus decaphyllus Pursh accepted as Lathyrus polymorphus Nutt.
• Lathyrus decaphyllus sensu auct., p.p. accepted as Lathyrus eucosmus Butters & St. John
• Lathyrus delnorticus C.L. Hitchc.
• Lathyrus dicirrhus Clos accepted as Lathyrus pusillus Elliott
• Lathyrus dielsianus Harms
• Lathyrus diffusus G. Don accepted as Vicia americana Willd.
• Lathyrus digitatus (M. Bieb.) Fiori
• Lathyrus dominianus Litv.
• Lathyrus dumetorum Burkart accepted as Lathyrus cabreranus Burkart
• Lathyrus dumetorum Phil. accepted as Lathyrus pubescens Hook. & Arn.
• Lathyrus ecirrhosus A. Heller accepted as Lathyrus polyphyllus Torr. & A. Gray
• Lathyrus ecirrhosus Phil. accepted as Lathyrus multiceps Clos
• Lathyrus elegans Porta & Rigo accepted as Lathyrus tremolsianus Pau
• Lathyrus emodi (Fritsch) Ali
• Lathyrus engelmanni Bisch. accepted as Lathyrus pusillus Elliott
• Lathyrus ensifolius (Lapeyr.) Gay accepted as Lathyrus bauhinii P.A. Genty
• Lathyrus epetiolaris Clos accepted as Lathyrus hookeri G. Don
• Lathyrus erectus Lag. accepted as Lathyrus inconspicuus Linnaeus
• Lathyrus eucosmus Butters & St. John
• Lathyrus eucosmus sensu auct., p.p. accepted as Lathyrus polymorphus Nutt.
• Lathyrus eurypetalus Phil. accepted as Lathyrus multiceps Clos
• Lathyrus filiformis (Lam.) Gay
• Lathyrus fissus Ball