| Lathyrus alpestris (Waldst. & Kit.) Kit. | | a | | Lathyrus alpestris(Waldst. & Kit.) Kit. | |
| Lathyrus angulatus L. | | a | | Lathyrus angulatusL. | |
| Lathyrus annuus L. | | a | | Lathyrus annuusL. | |
| Lathyrus aphaca L. | | a | | Lathyrus aphacaL. | |
| Lathyrus articulatus L. | Lathyrus clymenum L. | | | Lathyrus articulatusL. | Lathyrus clymenumL. |
| Lathyrus articulatus L. subsp. clymenum (L.) Maire | Lathyrus clymenum L. | | i | Lathyrus articulatusL. subsp. clymenum (L.) Maire | Lathyrus clymenumL. |
| Lathyrus aureus (Steven ex Fisch. & C. A. Mey.) D. Brândza | | a | | Lathyrus aureus(Steven ex Fisch. & C. A. Mey.) D. Brândza | |
| Lathyrus bauhini Genty | | a | | Lathyrus bauhiniGenty | |
| Lathyrus bithynicus L. | Vicia bithynica (L.) L. | | | Lathyrus bithynicusL. | Vicia bithynica(L.) L. |
| Lathyrus canescens (L. f.) Godr. & Gren. | Lathyrus filiformis (Lam.) J. Gay | | | Lathyrus canescens(L. f.) Godr. & Gren. | Lathyrus filiformis(Lam.) J. Gay |
| Lathyrus cassius Boiss. | | a | | Lathyrus cassiusBoiss. | |
| Lathyrus chloranthus Boiss. | | a | | Lathyrus chloranthusBoiss. | |
| Lathyrus cicera L. | | a | | Lathyrus ciceraL. | |
| Lathyrus cirrhosus Ser. | | a | | Lathyrus cirrhosusSer. | |
| Lathyrus clymenum L. | | a | | Lathyrus clymenumL. | |
| Lathyrus cyaneus (Steven) K. Koch | | a | | Lathyrus cyaneus(Steven) K. Koch | |
| Lathyrus davidii Hance | | a | | Lathyrus davidiiHance | |
| Lathyrus decaphyllus Pursh | | a | | Lathyrus decaphyllusPursh | |
| Lathyrus digitatus (M. Bieb.) Fiori | | a | | Lathyrus digitatus(M. Bieb.) Fiori | |
| Lathyrus elodes Link ex Colmeiro | Lathyrus spp. | | | Lathyrus elodesLink ex Colmeiro | Lathyrus spp. |
| Lathyrus erectus Lag. | Lathyrus inconspicuus L. | | | Lathyrus erectusLag. | Lathyrus inconspicuusL. |
| Lathyrus filiformis (Lam.) J. Gay | | a | | Lathyrus filiformis(Lam.) J. Gay | |
| Lathyrus filiformis (Lam.) J. Gay var. bauhini (Genty) Beck | Lathyrus bauhini Genty | | i | Lathyrus filiformis(Lam.) J. Gay var.bauhini (Genty) Beck | Lathyrus bauhiniGenty |
| Lathyrus gloeospermus Warb. & Eig | | a | | Lathyrus gloeospermusWarb. & Eig | |
| Lathyrus gmelinii Fritsch | Lathyrus ochraceus Kitt. | | | Lathyrus gmeliniiFritsch | Lathyrus ochraceusKitt. |
| Lathyrus gorgoni Parl. | | a | | Lathyrus gorgoniParl. | |
| Lathyrus grandiflorus Sm. | | a | | Lathyrus grandiflorusSm. | |
| Lathyrus heterophyllus L. | | a | | Lathyrus heterophyllusL. | |
| Lathyrus hierosolymitanus Boiss. | | a | | Lathyrus hierosolymitanusBoiss. | |
| Lathyrus hirsutus L. | | a | | Lathyrus hirsutusL. | |
| Lathyrus inconspicuus L. | | a | | Lathyrus inconspicuusL. | |
| Lathyrus incurvus (Roth) Willd. | | a | | Lathyrus incurvus(Roth) Willd. | |
| Lathyrus japonicus Willd. subsp. japonicus | | a | i | Lathyrus japonicusWilld. subsp. japonicus | |
| Lathyrus japonicus Willd. var. glaber (Ser.) Fernald | Lathyrus japonicus Willd. subsp. maritimus (L.) P. W. Ball | | i | Lathyrus japonicusWilld. var.glaber (Ser.) Fernald | Lathyrus japonicusWilld. subsp. maritimus (L.) P. W. Ball |
| Lathyrus japonicus Willd. subsp. maritimus (L.) P. W. Ball | | a | i | Lathyrus japonicusWilld. subsp. maritimus (L.) P. W. Ball | |
| Lathyrus kilimandsharicus Taub. | Lathyrus hygrophilus Taub. | | | Lathyrus kilimandsharicusTaub. | Lathyrus hygrophilusTaub. |
| Lathyrus laetiflorus Greene | Lathyrus vestitus Nutt. subsp. laetiflorus (Greene) Broich | | | Lathyrus laetiflorusGreene | Lathyrus vestitusNutt. subsp. laetiflorus (Greene) Broich |
| Lathyrus laevigatus (Waldst. & Kit.) Gren. | | a | | Lathyrus laevigatus(Waldst. & Kit.) Gren. | |
| Lathyrus latifolius L. | | a | | Lathyrus latifoliusL. | |
| Lathyrus latifolius L. var. splendens Groenl. & Rümpler | Lathyrus latifolius L. | | i | Lathyrus latifoliusL. var.splendens Groenl. & Rümpler | Lathyrus latifoliusL. |
| Lathyrus laxiflorus (Desf.) Kuntze | | a | | Lathyrus laxiflorus(Desf.) Kuntze | |
| Lathyrus lusitanicus Mart. ex Ser., nom. nud. | Lathyrus spp. | | | Lathyrus lusitanicusMart. ex Ser., nom. nud. | Lathyrus spp. |
| Lathyrus leptophyllus M. Bieb. | Lathyrus angulatus L. | | | Lathyrus leptophyllusM. Bieb. | Lathyrus angulatusL. |
| Lathyrus macropus Gillies ex Hook. & Arn. | | a | | Lathyrus macropusGillies ex Hook. & Arn. | |
| Lathyrus magellanicus Lam. | | a | | Lathyrus magellanicusLam. | |
| Lathyrus maritimus Bigelow | Lathyrus japonicus Willd. subsp. maritimus (L.) P. W. Ball | | | Lathyrus maritimusBigelow | Lathyrus japonicusWilld. subsp. maritimus (L.) P. W. Ball |
| Lathyrus marmoratus Boiss. & Blanche | | a | | Lathyrus marmoratusBoiss. & Blanche | |
| Lathyrus montanus Bernh. | Lathyrus linifolius (Reichard) Bässler | | | Lathyrus montanusBernh. | Lathyrus linifolius(Reichard) Bässler |
| Lathyrus mulkak Lipsky | | a | | Lathyrus mulkakLipsky | |
| Lathyrus nervosus Lam. | | a | | Lathyrus nervosusLam. | |
| Lathyrus niger (L.) Bernh. | | a | | Lathyrus niger(L.) Bernh. | |
| Lathyrus nissolia L. | | a | | Lathyrus nissoliaL. | |
| Lathyrus ochroleucus Hook. | | a | | Lathyrus ochroleucusHook. | |
| Lathyrus ochrus (L.) DC. | | a | | Lathyrus ochrus(L.) DC. | |
| Lathyrus odoratus L. | | a | | Lathyrus odoratusL. | |
| Lathyrus ornatus Nutt. | Lathyrus decaphyllus Pursh | | | Lathyrus ornatusNutt. | Lathyrus decaphyllusPursh |
| Lathyrus ornatus Nutt. var. incanus J. G. Sm. & Rydb. | Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich | | i | Lathyrus ornatusNutt. var.incanus J. G. Sm. & Rydb. | Lathyrus decaphyllusPursh var.incanus (J. G. Sm. & Rydb.) Broich |
| Lathyrus pallescens (M. Bieb.) K. Koch | | a | | Lathyrus pallescens(M. Bieb.) K. Koch | |
| Lathyrus palustris L. | | a | | Lathyrus palustrisL. | |
| Lathyrus parvifolius S. Watson | | a | | Lathyrus parvifoliusS. Watson | |
| Lathyrus pisiformis L. | | a | | Lathyrus pisiformisL. | |
| Lathyrus hygrophilus Taub. | | a | | Lathyrus hygrophilusTaub. | |
| Lathyrus polyanthus Boiss. & Blanche | Lathyrus aphaca L. | | | Lathyrus polyanthusBoiss. & Blanche | Lathyrus aphacaL. |
| Lathyrus polyphyllus Nutt. | | a | | Lathyrus polyphyllusNutt. | |
| Lathyrus pratensis L. | | a | | Lathyrus pratensisL. | |
| Lathyrus pseudocicera Pamp. | | a | | Lathyrus pseudociceraPamp. | |
| Lathyrus puberulus T. G. White ex Greene | Lathyrus vestitus Nutt. subsp. vestitus | | | Lathyrus puberulusT. G. White ex Greene | Lathyrus vestitusNutt. subsp. vestitus |
| Lathyrus pubescens Hook. & Arn. | | a | | Lathyrus pubescensHook. & Arn. | |
| Lathyrus roseus Steven | | a | | Lathyrus roseusSteven | |
| Lathyrus rotundifolius Willd. | | a | | Lathyrus rotundifoliusWilld. | |
| Lathyrus sativus L. | | a | | Lathyrus sativusL. | |
| Lathyrus setifolius L. | | a | | Lathyrus setifoliusL. | |
| Lathyrus spathulatus Čelak. | | a | | Lathyrus spathulatusČelak. | |
| Lathyrus sphaericus Retz. | | a | | Lathyrus sphaericusRetz. | |
| Lathyrus stipulaceus (Pursh) Butters & H. St. John var. incanus (J. G. Sm. & Rydb.) Butters & H. St. John | Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich | | i | Lathyrus stipulaceus(Pursh) Butters & H. St. John var.incanus (J. G. Sm. & Rydb.) Butters & H. St. John | Lathyrus decaphyllusPursh var.incanus (J. G. Sm. & Rydb.) Broich |
| Lathyrus sulphureus W. H. Brewer ex A. Gray | | a | | Lathyrus sulphureusW. H. Brewer ex A. Gray | |
| Lathyrus sylvestris L. | | a | | Lathyrus sylvestrisL. | |
| Lathyrus tingitanus L. | | a | | Lathyrus tingitanusL. | |
| Lathyrus tremolsianus Pau | Lathyrus pulcher J. Gay | | | Lathyrus tremolsianusPau | Lathyrus pulcherJ. Gay |
| Lathyrus tuberosus L. | | a | | Lathyrus tuberosusL. | |
| Lathyrus undulatus Boiss. | | a | | Lathyrus undulatusBoiss. | |
| Lathyrus variegatus Gilib., nom. inval. | Lathyrus sylvestris L. | | | Lathyrus variegatusGilib., nom. inval. | Lathyrus sylvestrisL. |
| Lathyrus venetus (Mill.) Wohlf. | | a | | Lathyrus venetus(Mill.) Wohlf. | |
| Lathyrus venosus Muhl. ex Willd. var. venosus | | a | i | Lathyrus venosusMuhl. ex Willd. var.venosus | |
| Lathyrus venosus Muhl. ex Willd. var. meridionalis Butters & H. St. John | Lathyrus venosus Muhl. ex Willd. var. intonsus Butters & H. St. John | | i | Lathyrus venosusMuhl. ex Willd. var.meridionalis Butters & H. St. John | Lathyrus venosusMuhl. ex Willd. var.intonsus Butters & H. St. John |
| Lathyrus vernus (L.) Bernh. | | a | | Lathyrus vernus(L.) Bernh. | |
| Lathyrus vestitus Nutt. var. puberulus (T. G. White ex Greene) Jeps. | Lathyrus vestitus Nutt. subsp. vestitus | | i | Lathyrus vestitusNutt. var.puberulus (T. G. White ex Greene) Jeps. | Lathyrus vestitusNutt. subsp. vestitus |
| Lathyrus watsonii T. G. White | Lathyrus jepsonii Greene subsp. californicus (S. Watson) C. L. Hitchc. | | | Lathyrus watsoniiT. G. White | Lathyrus jepsoniiGreene subsp. californicus (S. Watson) C. L. Hitchc. |
| Lathyrus nevadensis S. Watson | | a | | Lathyrus nevadensisS. Watson | |
| Lathyrus polymorphus Nutt. | Lathyrus decaphyllus Pursh | | | Lathyrus polymorphusNutt. | Lathyrus decaphyllusPursh |
| Lathyrus polymorphus Nutt. subsp. incanus (J. G. Sm. & Rydb.) C. L. Hitchc. | Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich | | i | Lathyrus polymorphusNutt. subsp. incanus (J. G. Sm. & Rydb.) C. L. Hitchc. | Lathyrus decaphyllusPursh var.incanus (J. G. Sm. & Rydb.) Broich |
| Lathyrus venosus Muhl. ex Willd. var. intonsus Butters & H. St. John | | a | i | Lathyrus venosusMuhl. ex Willd. var.intonsus Butters & H. St. John | |
| Lathyrus vestitus Nutt. subsp. puberulus (T. G. White ex Greene) C. L. Hitchc. | Lathyrus vestitus Nutt. subsp. vestitus | | i | Lathyrus vestitusNutt. subsp. puberulus (T. G. White ex Greene) C. L. Hitchc. | Lathyrus vestitusNutt. subsp. vestitus |
| Lathyrus jepsonii Greene subsp. californicus (S. Watson) C. L. Hitchc. | | a | i | Lathyrus jepsoniiGreene subsp. californicus (S. Watson) C. L. Hitchc. | |
| Lathyrus szowitsii Boiss. | | a | | Lathyrus szowitsiiBoiss. | |
| Lathyrus nigrivalvis Burkart | | a | | Lathyrus nigrivalvisBurkart | |
| Lathyrus pannonicus (Jacq.) Garcke subsp. varius (Hill) P. W. Ball | | a | i | Lathyrus pannonicus(Jacq.) Garcke subsp. varius (Hill) P. W. Ball | |
| Lathyrus pannonicus (Jacq.) Garcke subsp. collinus (Ortmann) Soó | | a | i | Lathyrus pannonicus(Jacq.) Garcke subsp. collinus (Ortmann) Soó | |
| Lathyrus japonicus Willd. | | a | | Lathyrus japonicusWilld. | |
| Lathyrus spp. | | a | | Lathyrus spp. | |
| Lathyrus venosus Muhl. ex Willd. var. californicus S. Watson | Lathyrus jepsonii Greene subsp. californicus (S. Watson) C. L. Hitchc. | | i | Lathyrus venosusMuhl. ex Willd. var.californicus S. Watson | Lathyrus jepsoniiGreene subsp. californicus (S. Watson) C. L. Hitchc. |
| Lathyrus vestitus Nutt. | | a | | Lathyrus vestitusNutt. | |
| Lathyrus vestitus Nutt. subsp. vestitus | | a | i | Lathyrus vestitusNutt. subsp. vestitus | |
| Lathyrus vestitus Nutt. subsp. laetiflorus (Greene) Broich | | a | i | Lathyrus vestitusNutt. subsp. laetiflorus (Greene) Broich | |
| Lathyrus occidentalis (Fisch. & C. A. Mey.) Fritsch | | a | | Lathyrus occidentalis(Fisch. & C. A. Mey.) Fritsch | |
| Lathyrus linifolius (Reichard) Bässler | | a | | Lathyrus linifolius(Reichard) Bässler | |
| Lathyrus pannonicus (Jacq.) Garcke | | a | | Lathyrus pannonicus(Jacq.) Garcke | |
| Lathyrus pannonicus (Jacq.) Garcke subsp. pannonicus | | a | i | Lathyrus pannonicus(Jacq.) Garcke subsp. pannonicus | |
| Lathyrus venosus Muhl. ex Willd. | | a | | Lathyrus venosusMuhl. ex Willd. | |
| Lathyrus vernus (L.) Bernh. subsp. flaccidus (Ser.) Arcang. | | a | i | Lathyrus vernus(L.) Bernh. subsp. flaccidus (Ser.) Arcang. | |
| Lathyrus vernus (L.) Bernh. subsp. vernus | | a | i | Lathyrus vernus(L.) Bernh. subsp. vernus | |
| Lathyrus ochraceus Kitt. | | a | | Lathyrus ochraceusKitt. | |
| Lathyrus pusillus Elliott | | a | | Lathyrus pusillusElliott | |
| Lathyrus blepharicarpus Boiss. | | a | | Lathyrus blepharicarpusBoiss. | |
| Lathyrus chrysanthus Boiss. | | a | | Lathyrus chrysanthusBoiss. | |
| Lathyrus basalticus Rech. f. | | a | | Lathyrus basalticusRech. f. | |
| Lathyrus ciliolatus Sam. ex Rech. f. | | a | | Lathyrus ciliolatusSam. ex Rech. f. | |
| Lathyrus subandinus Phil. | | a | | Lathyrus subandinusPhil. | |
| Lathyrus affinis Guss. | Lathyrus aphaca L. | | | Lathyrus affinisGuss. | Lathyrus aphacaL. |
| Lathyrus aphaca L. var. affinis (Guss.) Arcang. | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.affinis (Guss.) Arcang. | Lathyrus aphacaL. |
| Lathyrus aphaca L. var. biflorus Post | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.biflorus Post | Lathyrus aphacaL. |
| Lathyrus aphaca L. var. modestus P. H. Davis | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.modestus P. H. Davis | Lathyrus aphacaL. |
| Lathyrus aphaca L. var. floribundus (Velen.) K. Malý | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.floribundus (Velen.) K. Malý | Lathyrus aphacaL. |
| Lathyrus floribundus Velen. | Lathyrus aphaca L. | | | Lathyrus floribundusVelen. | Lathyrus aphacaL. |
| Lathyrus pseudoaphaca Boiss. | Lathyrus aphaca L. | | | Lathyrus pseudoaphacaBoiss. | Lathyrus aphacaL. |
| Lathyrus aphaca L. var. pseudoaphaca (Boiss.) P. H. Davis | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.pseudoaphaca (Boiss.) P. H. Davis | Lathyrus aphacaL. |
| Lathyrus drummondii hort. | Lathyrus rotundifolius Willd. | | | Lathyrus drummondiihort. | Lathyrus rotundifoliusWilld. |
| Lathyrus laetiflorus Greene subsp. barbarae (T. G. White) C. L. Hitchc. | Lathyrus vestitus Nutt. subsp. laetiflorus (Greene) Broich | | i | Lathyrus laetiflorusGreene subsp. barbarae (T. G. White) C. L. Hitchc. | Lathyrus vestitusNutt. subsp. laetiflorus (Greene) Broich |
| Lathyrus nevadensis S. Watson subsp. nevadensis | | a | i | Lathyrus nevadensisS. Watson subsp. nevadensis | |
| Lathyrus graminifolius (S. Watson) T. G. White | | a | | Lathyrus graminifolius(S. Watson) T. G. White | |
| Lathyrus neurolobus Boiss. & Heldr. | | a | | Lathyrus neurolobusBoiss. & Heldr. | |
| Lathyrus saxatilis (Vent.) Vis. | | a | | Lathyrus saxatilis(Vent.) Vis. | |
| Lathyrus grimesii Barneby | | a | | Lathyrus grimesiiBarneby | |
| Lathyrus japonicus Willd. subsp. maritimus (L.) P. W. Ball var. acutifolius (Bab.) Bässler | | a | i | Lathyrus japonicusWilld. subsp. maritimus (L.) P. W. Ball var.acutifolius (Bab.) Bässler | |
| Lathyrus vernus (L.) Bernh. f. roseus Beck | Lathyrus vernus (L.) Bernh. | | i | Lathyrus vernus(L.) Bernh. f. roseus Beck | Lathyrus vernus(L.) Bernh. |
| Lathyrus latifolius L. f. albiflorus Moldenke | | a | i | Lathyrus latifoliusL. f. albiflorus Moldenke | |
| Lathyrus latifolius L. f. lanceolatus Freyn | | a | i | Lathyrus latifoliusL. f. lanceolatus Freyn | |
| Lathyrus incanus (J. G. Sm. & Rydb.) Rydb. | Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich | | | Lathyrus incanus(J. G. Sm. & Rydb.) Rydb. | Lathyrus decaphyllusPursh var.incanus (J. G. Sm. & Rydb.) Broich |
| Lathyrus splendens Kellogg | | a | | Lathyrus splendensKellogg | |
| Lathyrus vestitus Nutt. subsp. alefeldii (T. G. White) Broich | | a | i | Lathyrus vestitusNutt. subsp. alefeldii (T. G. White) Broich | |
| Lathyrus alefeldii T. G. White | Lathyrus vestitus Nutt. subsp. alefeldii (T. G. White) Broich | | | Lathyrus alefeldiiT. G. White | Lathyrus vestitusNutt. subsp. alefeldii (T. G. White) Broich |
| Lathyrus strictus Nutt. | Lathyrus vestitus Nutt. subsp. alefeldii (T. G. White) Broich | | | Lathyrus strictusNutt. | Lathyrus vestitusNutt. subsp. alefeldii (T. G. White) Broich |
| Lathyrus delnorticus C. L. Hitchc. | | a | | Lathyrus delnorticusC. L. Hitchc. | |
| Lathyrus jepsonii Greene subsp. jepsonii | | a | i | Lathyrus jepsoniiGreene subsp. jepsonii | |
| Lathyrus jepsonii Greene | | a | | Lathyrus jepsoniiGreene | |
| Lathyrus quinquenervius (Miq.) Litv. | | a | | Lathyrus quinquenervius(Miq.) Litv. | |
| Lathyrus stipularis C. Presl | Lathyrus crassipes Gillies ex Hook. & Arn. | | | Lathyrus stipularisC. Presl | Lathyrus crassipesGillies ex Hook. & Arn. |
| Lathyrus azureus Dean | | a | | Lathyrus azureusDean | |
| Lathyrus crassipes Gillies ex Hook. & Arn. | | a | | Lathyrus crassipesGillies ex Hook. & Arn. | |
| Lathyrus coccineus All. | Lathyrus sphaericus Retz. | | | Lathyrus coccineusAll. | Lathyrus sphaericusRetz. |
| Lathyrus oreophyllus Wooton & Standl. | Lathyrus venosus Muhl. ex Willd. | | | Lathyrus oreophyllusWooton & Standl. | Lathyrus venosusMuhl. ex Willd. |
| Lathyrus vinealis Boiss. & Noë | | a | | Lathyrus vinealisBoiss. & Noë | |
| Lathyrus palustris L. var. graminifolius S. Watson | Lathyrus graminifolius (S. Watson) T. G. White | | i | Lathyrus palustrisL. var.graminifolius S. Watson | Lathyrus graminifolius(S. Watson) T. G. White |
| Lathyrus nevadensis S. Watson subsp. cusickii (S. Watson) C. L. Hitchc. | | a | i | Lathyrus nevadensisS. Watson subsp. cusickii (S. Watson) C. L. Hitchc. | |
| Lathyrus cusickii S. Watson | Lathyrus nevadensis S. Watson subsp. cusickii (S. Watson) C. L. Hitchc. | | | Lathyrus cusickiiS. Watson | Lathyrus nevadensisS. Watson subsp. cusickii (S. Watson) C. L. Hitchc. |
| Lathyrus stenophyllus Boiss. & Heldr. | | a | | Lathyrus stenophyllusBoiss. & Heldr. | |
| Lathyrus boissieri Širj. | | a | | Lathyrus boissieriŠirj. | |
| Lathyrus alatus (Maxim.) Kom. | Lathyrus komarovii Ohwi | | | Lathyrus alatus(Maxim.) Kom. | Lathyrus komaroviiOhwi |
| Lathyrus brachycalyx Rydb. | | a | | Lathyrus brachycalyxRydb. | |
| Lathyrus emodi Fritsch | | a | | Lathyrus emodiFritsch | |
| Lathyrus eucosmus Butters & H. St. John | | a | | Lathyrus eucosmusButters & H. St. John | |
| Lathyrus humilis (Ser.) Fisch. ex Spreng. | | a | | Lathyrus humilis(Ser.) Fisch. ex Spreng. | |
| Lathyrus littoralis (Nutt.) Endl. ex Walp. | | a | | Lathyrus littoralis(Nutt.) Endl. ex Walp. | |
| Lathyrus japonicus Willd. subsp. maritimus (L.) P. W. Ball var. pellitus Fernald | Lathyrus japonicus Willd. | | i | Lathyrus japonicusWilld. subsp. maritimus (L.) P. W. Ball var.pellitus Fernald | Lathyrus japonicusWilld. |
| Lathyrus lanszwertii Kellogg var. leucanthus (Rydb.) Dorn | | a | i | Lathyrus lanszwertiiKellogg var.leucanthus (Rydb.) Dorn | |
| Lathyrus palustris L. var. linearifolius Ser. | Lathyrus palustris L. | | i | Lathyrus palustrisL. var.linearifolius Ser. | Lathyrus palustrisL. |
| Lathyrus palustris L. var. myrtifolius (Muhl. ex Willd.) A. Gray | Lathyrus palustris L. | | i | Lathyrus palustrisL. var.myrtifolius (Muhl. ex Willd.) A. Gray | Lathyrus palustrisL. |
| Lathyrus leucanthus Rydb. | Lathyrus lanszwertii Kellogg var. leucanthus (Rydb.) Dorn | | | Lathyrus leucanthusRydb. | Lathyrus lanszwertiiKellogg var.leucanthus (Rydb.) Dorn |
| Lathyrus luteus auct. | Lathyrus ochraceus Kitt. | | | Lathyrus luteusauct. | Lathyrus ochraceusKitt. |
| Lathyrus montanus Bernh. var. tenuifolius (Roth) Garcke | Lathyrus linifolius (Reichard) Bässler | | i | Lathyrus montanusBernh. var.tenuifolius (Roth) Garcke | Lathyrus linifolius(Reichard) Bässler |
| Lathyrus laevigatus (Waldst. & Kit.) Gren. subsp. occidentalis auct. | Lathyrus ochraceus Kitt. | | i | Lathyrus laevigatus(Waldst. & Kit.) Gren. subsp. occidentalis auct. | Lathyrus ochraceusKitt. |
| Lathyrus numidicus Batt. | | a | | Lathyrus numidicusBatt. | |
| Lathyrus holochlorus (Piper) C. L. Hitchc. | | a | | Lathyrus holochlorus(Piper) C. L. Hitchc. | |
| Lathyrus ochropetalus Piper subsp. holochlorus Piper | Lathyrus holochlorus (Piper) C. L. Hitchc. | | i | Lathyrus ochropetalusPiper subsp. holochlorus Piper | Lathyrus holochlorus(Piper) C. L. Hitchc. |
| Lathyrus myrtifolius Muhl. ex Willd. | Lathyrus palustris L. | | | Lathyrus myrtifoliusMuhl. ex Willd. | Lathyrus palustrisL. |
| Lathyrus purpureus Desf. | Lathyrus clymenum L. | | | Lathyrus purpureusDesf. | Lathyrus clymenumL. |
| Lathyrus purpureus Gilib., nom. inval. | Lathyrus latifolius L. | | | Lathyrus purpureusGilib., nom. inval. | Lathyrus latifoliusL. |
| Lathyrus miniatus M. Bieb. ex Steven | | a | | Lathyrus miniatusM. Bieb. ex Steven | |
| Lathyrus rotundifolius Willd. subsp. miniatus (M. Bieb. ex Steven) P. H. Davis | Lathyrus miniatus M. Bieb. ex Steven | | i | Lathyrus rotundifoliusWilld. subsp. miniatus (M. Bieb. ex Steven) P. H. Davis | Lathyrus miniatusM. Bieb. ex Steven |
| Lathyrus bungei Boiss. | | a | | Lathyrus bungeiBoiss. | |
| Lathyrus decaphyllus Pursh var. decaphyllus | | a | i | Lathyrus decaphyllusPursh var.decaphyllus | |
| Lathyrus decaphyllus Pursh var. incanus (J. G. Sm. & Rydb.) Broich | | a | i | Lathyrus decaphyllusPursh var.incanus (J. G. Sm. & Rydb.) Broich | |
| Lathyrus belinensis Maxted & Goyder | | a | | Lathyrus belinensisMaxted & Goyder | |
| Lathyrus inermis Rochel ex Friv. | Lathyrus laxiflorus (Desf.) Kuntze | | | Lathyrus inermisRochel ex Friv. | Lathyrus laxiflorus(Desf.) Kuntze |
| Lathyrus pancicii (Jurišić) Adamović | | a | | Lathyrus pancicii(Jurišić) Adamović | |
| Lathyrus quadrimarginatus Bory & Chaub. | Lathyrus amphicarpos L. | | | Lathyrus quadrimarginatusBory & Chaub. | Lathyrus amphicarposL. |
| Lathyrus amphicarpos L. | | a | | Lathyrus amphicarposL. | |
| Lathyrus trachyspermus Webb ex J. J. Rodr. | Lathyrus annuus L. | | | Lathyrus trachyspermusWebb ex J. J. Rodr. | Lathyrus annuusL. |
| Lathyrus festivus Sennen | Lathyrus tuberosus L. | | | Lathyrus festivusSennen | Lathyrus tuberosusL. |
| Lathyrus latifolius L. var. angustifolius Godr. | Lathyrus latifolius L. | | i | Lathyrus latifoliusL. var.angustifolius Godr. | Lathyrus latifoliusL. |
| Lathyrus ensifolius Badarò | Lathyrus latifolius L. | | | Lathyrus ensifoliusBadarò | Lathyrus latifoliusL. |
| Lathyrus sylvestris L. subsp. latifolius (L.) Arcang. | Lathyrus latifolius L. | | i | Lathyrus sylvestrisL. subsp. latifolius (L.) Arcang. | Lathyrus latifoliusL. |
| Lathyrus palustris L. subsp. palustris | | a | i | Lathyrus palustrisL. subsp. palustris | |
| Lathyrus palustris L. subsp. pilosus (Cham.) Hultén | | a | i | Lathyrus palustrisL. subsp. pilosus (Cham.) Hultén | |
| Lathyrus palustris L. subsp. nudicaulis (Willk.) P. W. Ball | | a | i | Lathyrus palustrisL. subsp. nudicaulis (Willk.) P. W. Ball | |
| Lathyrus nudicaulis (Willk.) Amo | Lathyrus palustris L. subsp. nudicaulis (Willk.) P. W. Ball | | | Lathyrus nudicaulis(Willk.) Amo | Lathyrus palustrisL. subsp. nudicaulis (Willk.) P. W. Ball |
| Lathyrus palustris L. var. nudicaulis Willk. | Lathyrus palustris L. subsp. nudicaulis (Willk.) P. W. Ball | | i | Lathyrus palustrisL. var.nudicaulis Willk. | Lathyrus palustrisL. subsp. nudicaulis (Willk.) P. W. Ball |
| Lathyrus pilosus Cham. | Lathyrus palustris L. subsp. pilosus (Cham.) Hultén | | | Lathyrus pilosusCham. | Lathyrus palustrisL. subsp. pilosus (Cham.) Hultén |
| Lathyrus palustris L. var. pilosus (Cham.) Ledeb. | Lathyrus palustris L. subsp. pilosus (Cham.) Hultén | | i | Lathyrus palustrisL. var.pilosus (Cham.) Ledeb. | Lathyrus palustrisL. subsp. pilosus (Cham.) Hultén |
| Lathyrus pulcher J. Gay | | a | | Lathyrus pulcherJ. Gay | |
| Lathyrus elegans Porta & Rigo | Lathyrus pulcher J. Gay | | | Lathyrus elegansPorta & Rigo | Lathyrus pulcherJ. Gay |
| Lathyrus vivantii P. Monts. | | a | | Lathyrus vivantiiP. Monts. | |
| Lathyrus linearis Nutt. | Vicia americana Muhl. ex Willd. | | | Lathyrus linearisNutt. | Vicia americanaMuhl. ex Willd. |
| Lathyrus cilicicus Hayek & Siehe | | a | | Lathyrus cilicicusHayek & Siehe | |
| Lathyrus hirticarpus Mattatia & Heyn | | a | | Lathyrus hirticarpusMattatia & Heyn | |
| Lathyrus lycius Boiss. & Heldr. | | a | | Lathyrus lyciusBoiss. & Heldr. | |
| Lathyrus trachycarpus (Boiss.) Boiss. | | a | | Lathyrus trachycarpus(Boiss.) Boiss. | |
| Lathyrus lycius Boiss. & Heldr. subsp. phaselitanus (Hub.-Mor. & P. H. Davis) Ponert | | a | i | Lathyrus lyciusBoiss. & Heldr. subsp. phaselitanus (Hub.-Mor. & P. H. Davis) Ponert | |
| Lathyrus phaselitanus Hub.-Mor. & P. H. Davis | Lathyrus lycius Boiss. & Heldr. subsp. phaselitanus (Hub.-Mor. & P. H. Davis) Ponert | | | Lathyrus phaselitanusHub.-Mor. & P. H. Davis | Lathyrus lyciusBoiss. & Heldr. subsp. phaselitanus (Hub.-Mor. & P. H. Davis) Ponert |
| Lathyrus schaeferi Kosterin | Pisum abyssinicum A. Braun | | | Lathyrus schaeferiKosterin | Pisum abyssinicumA. Braun |
| Lathyrus lanszwertii Kellogg var. laetivirens (Greene ex Rydb.) S. L. Welsh | | a | i | Lathyrus lanszwertiiKellogg var.laetivirens (Greene ex Rydb.) S. L. Welsh | |
| Lathyrus lanszwertii Kellogg var. lanszwertii | | a | i | Lathyrus lanszwertiiKellogg var.lanszwertii | |
| Lathyrus leucanthus Rydb. var. laetivirens (Greene ex Rydb.) C. L. Hitchc. | Lathyrus lanszwertii Kellogg var. laetivirens (Greene ex Rydb.) S. L. Welsh | | i | Lathyrus leucanthusRydb. var.laetivirens (Greene ex Rydb.) C. L. Hitchc. | Lathyrus lanszwertiiKellogg var.laetivirens (Greene ex Rydb.) S. L. Welsh |
| Lathyrus leucanthus Rydb. var. leucanthus | Lathyrus lanszwertii Kellogg var. leucanthus (Rydb.) Dorn | | i | Lathyrus leucanthusRydb. var.leucanthus | Lathyrus lanszwertiiKellogg var.leucanthus (Rydb.) Dorn |
| Lathyrus laetivirens Greene ex Rydb. | Lathyrus lanszwertii Kellogg var. laetivirens (Greene ex Rydb.) S. L. Welsh | | | Lathyrus laetivirensGreene ex Rydb. | Lathyrus lanszwertiiKellogg var.laetivirens (Greene ex Rydb.) S. L. Welsh |
| Lathyrus lanszwertii Kellogg | | a | | Lathyrus lanszwertiiKellogg | |
| Lathyrus aphaca L. var. aphaca | Lathyrus aphaca L. | | i | Lathyrus aphacaL. var.aphaca | Lathyrus aphacaL. |
| Lathyrus articulatus L. subsp. articulatus | Lathyrus clymenum L. | | i | Lathyrus articulatusL. subsp. articulatus | Lathyrus clymenumL. |
| Lathyrus filiformis (Lam.) J. Gay var. filiformis | Lathyrus filiformis (Lam.) J. Gay | | i | Lathyrus filiformis(Lam.) J. Gay var.filiformis | Lathyrus filiformis(Lam.) J. Gay |
| Lathyrus japonicus Willd. var. japonicus | | a | i | Lathyrus japonicusWilld. var.japonicus | |
| Lathyrus laetiflorus Greene subsp. laetiflorus | Lathyrus vestitus Nutt. subsp. laetiflorus (Greene) Broich | | i | Lathyrus laetiflorusGreene subsp. laetiflorus | Lathyrus vestitusNutt. subsp. laetiflorus (Greene) Broich |
| Lathyrus laevigatus (Waldst. & Kit.) Gren. subsp. laevigatus | Lathyrus laevigatus (Waldst. & Kit.) Gren. | | i | Lathyrus laevigatus(Waldst. & Kit.) Gren. subsp. laevigatus | Lathyrus laevigatus(Waldst. & Kit.) Gren. |
| Lathyrus latifolius L. f. latifolius | | a | i | Lathyrus latifoliusL. f. latifolius | |
| Lathyrus latifolius L. var. latifolius | Lathyrus latifolius L. | | i | Lathyrus latifoliusL. var.latifolius | Lathyrus latifoliusL. |
| Lathyrus lycius Boiss. & Heldr. subsp. lycius | | a | i | Lathyrus lyciusBoiss. & Heldr. subsp. lycius | |
| Lathyrus montanus Bernh. var. montanus | Lathyrus linifolius (Reichard) Bässler | | i | Lathyrus montanusBernh. var.montanus | Lathyrus linifolius(Reichard) Bässler |
| Lathyrus ochropetalus Piper | Lathyrus vestitus Nutt. | | | Lathyrus ochropetalusPiper | Lathyrus vestitusNutt. |
| Lathyrus ochropetalus Piper subsp. ochropetalus | Lathyrus vestitus Nutt. | | i | Lathyrus ochropetalusPiper subsp. ochropetalus | Lathyrus vestitusNutt. |
| Lathyrus ornatus Nutt. var. ornatus | Lathyrus decaphyllus Pursh | | i | Lathyrus ornatusNutt. var.ornatus | Lathyrus decaphyllusPursh |
| Lathyrus palustris L. var. palustris | Lathyrus palustris L. subsp. palustris | | i | Lathyrus palustrisL. var.palustris | Lathyrus palustrisL. subsp. palustris |
| Lathyrus polymorphus Nutt. subsp. polymorphus | Lathyrus decaphyllus Pursh | | i | Lathyrus polymorphusNutt. subsp. polymorphus | Lathyrus decaphyllusPursh |
| Lathyrus rotundifolius Willd. subsp. rotundifolius | Lathyrus rotundifolius Willd. | | i | Lathyrus rotundifoliusWilld. subsp. rotundifolius | Lathyrus rotundifoliusWilld. |
| Lathyrus stipulaceus (Pursh) Butters & H. St. John | Lathyrus decaphyllus Pursh | | | Lathyrus stipulaceus(Pursh) Butters & H. St. John | Lathyrus decaphyllusPursh |
| Lathyrus stipulaceus (Pursh) Butters & H. St. John var. stipulaceus | Lathyrus decaphyllus Pursh | | i | Lathyrus stipulaceus(Pursh) Butters & H. St. John var.stipulaceus | Lathyrus decaphyllusPursh |
| Lathyrus vestitus Nutt. var. vestitus | Lathyrus vestitus Nutt. subsp. vestitus | | i | Lathyrus vestitusNutt. var.vestitus | Lathyrus vestitusNutt. subsp. vestitus |
| Lathyrus subrotundus Maxim. | Vicia subrotunda (Maxim.) Czefr. | | | Lathyrus subrotundusMaxim. | Vicia subrotunda(Maxim.) Czefr. |
| Lathyrus komarovii Ohwi | | a | | Lathyrus komaroviiOhwi | |
| Lathyrus sylvestris L. subsp. sylvestris | Lathyrus sylvestris L. | | i | Lathyrus sylvestrisL. subsp. sylvestris | Lathyrus sylvestrisL. |
| Lathyrus vernus (L.) Bernh. f. vernus | Lathyrus vernus (L.) Bernh. | | i | Lathyrus vernus(L.) Bernh. f. vernus | Lathyrus vernus(L.) Bernh. |
| Lathyrus sp. | | a | | Lathyrus sp. | |