| Fabaceae | ! |
Crotalaria | L. | Sp. Pl. 2: 714 | 1753 |
| Fabaceae | |
Crotalaria acapulcensis | Hook. & Arn. | Bot. Beechey Voy. 414–415 | 1841 [1840] |
| Fabaceae | |
Crotalaria anagyroides | Kunth | Nov. Gen. Sp. (folio ed.) 6: 317 | 1824 |
| Fabaceae | ** |
Crotalaria anagyroides var. pauciflora | Griseb. | Cat. Pl. Cub. 69 | 1866 |
| Fabaceae | |
Crotalaria belizensis | Lundell | Amer. Midl. Naturalist 29(2): 473–474 | 1943 |
| Fabaceae | * |
Crotalaria bracteata | Schltdl. & Cham. | Linnaea 5: 575 | 1830 |
| Fabaceae | |
Crotalaria brownei | Bertero ex DC. | Prodr. 2: 130 | 1825 |
| Fabaceae | |
Crotalaria bupleurifolia | Schltdl. & Cham. | Linnaea 5: 575 | 1830 |
| Fabaceae | |
Crotalaria carmiolii | Pol. | Linnaea 41(5–6): 558 | 1877 |
| Fabaceae | |
Crotalaria chiapensis | Brandegee | Univ. Calif. Publ. Bot. 10(8): 406 | 1924 |
| Fabaceae | * |
Crotalaria dichotoma | Graham | Edinburgh New Philos. J. 2: 186 | 1826 |
| Fabaceae | * |
Crotalaria elliptica | M. Martens & Galeotti | Bull. Acad. Roy. Sci. Bruxelles 10(2): 34 | 1843 |
| Fabaceae | |
Crotalaria elliptica var. multiflora | M. Martens & Galeotti | Bull. Acad. Roy. Sci. Bruxelles 10(2): 35 | 1843 |
| Fabaceae | |
Crotalaria fruticosa | Mill. | Gard. Dict. (ed. 8) Crotalaria no. 4 | 1768 |
| Fabaceae | |
Crotalaria galeottii | Benth. | London J. Bot. 2: 582 | 1843 |
| Fabaceae | |
Crotalaria grahami | Sweet | Hort. Brit. (ed. 2) 128 | 1830 |
| Fabaceae | |
Crotalaria guatemalensis | Benth. | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1853(1–2): 2–3 | 1854 |
| Fabaceae | |
Crotalaria hostmanii | Steud. | Flora 26: 757 | 1843 |
| Fabaceae | ! |
Crotalaria incana | L. | Sp. Pl. 2: 716 | 1753 |
| Fabaceae | |
Crotalaria incana var. australis | Griseb. | Abh. Königl. Ges. Wiss. Göttingen 24: 98 | 1879 |
| Fabaceae | |
Crotalaria incana var. incana | | | |
| Fabaceae | |
Crotalaria incana var. nicaraguensis | Senn | Rhodora 41(488): 353 | 1939 |
| Fabaceae | |
Crotalaria incana subsp. purpurascens | (Lam.) Milne-Redh. | Kew Bull. 15(1): 159 | 1961 |
| Fabaceae | ! |
Crotalaria juncea | L. | Sp. Pl. 2: 714 | 1753 |
| Fabaceae | ! |
Crotalaria lanceolata | E. Mey. | Comm. Pl. Afr. Austr. 24–25 | 1836 |
| Fabaceae | |
Crotalaria leptoclona | S. Schauer | Linnaea 20: 737 | 1847 |
| Fabaceae | |
Crotalaria longirostrata | Hook. & Arn. | Bot. Beechey Voy. 285 | 1841 [1838] |
| Fabaceae | ! |
Crotalaria lotifolia | L. | Sp. Pl. 2: 715 | 1753 |
| Fabaceae | |
Crotalaria lotifolia var. eggersii | H. Senn | Rhodora 41(488): 350 | 1939 |
| Fabaceae | |
Crotalaria lupulina | Kunth | Nov. Gen. Sp. (quarto ed.) 6: 402, pl. 590 | 1823 [1824] |
| Fabaceae | |
Crotalaria maypurensis | Kunth | Nov. Gen. Sp. (quarto ed.) 6: 403–404 | 1823 [1824] |
| Fabaceae | |
Crotalaria megapotamica | Burkart | Darwiniana 17: 595 | 1972 |
| Fabaceae | ! |
Crotalaria micans | Link | Enum. Hort. Berol. Alt. 2: 228–229 | 1822 |
| Fabaceae | |
Crotalaria mollicula | Kunth | Nov. Gen. Sp. (quarto ed.) 6: 403 | 1823 [1824] |
| Fabaceae | |
Crotalaria mollicula var. schaffneri | H. Senn | Rhodora 41(488): 355 | 1939 |
| Fabaceae | |
Crotalaria monticola | Brandegee | Univ. Calif. Publ. Bot. 10(8): 406 | 1924 |
| Fabaceae | |
Crotalaria mucronata | Desv. | J. Bot. Agric. 3(1–2): 76 | 1814 |
| Fabaceae | ! |
Crotalaria ochroleuca | G. Don | Gen. Hist. 2: 138 | 1832 |
| Fabaceae | ! |
Crotalaria pallida | Aiton | Hort. Kew. 3: 20–21 | 1789 |
| Fabaceae | |
Crotalaria paulina | Schrank | Pl. Rar. Hort. Monac. pl. 88 | 1822 |
| Fabaceae | ! |
Crotalaria pilosa | Mill. | Gard. Dict. (ed. 8) no. 2 | 1768 |
| Fabaceae | |
Crotalaria pilosa var. skutchii | H. Senn | Rhodora 41(488): 331–332 | 1939 |
| Fabaceae | |
Crotalaria poeppigii | C. Presl | Abh. Königl. Böhm. Ges. Wiss., ser. 5, 123 | 1844 |
| Fabaceae | |
Crotalaria procumbens | Sessé & Moc. ex DC. | Prodr. 2: 129 | 1825 |
| Fabaceae | ! |
Crotalaria pterocaula | Desv. | J. Bot. Agric. 3: 76 | 1814 |
| Fabaceae | ! |
Crotalaria pumila | Ortega | Nov. Pl. Descr. Dec. 2: 23 | 1797 |
| Fabaceae | |
Crotalaria purpurascens | Lam. | Encycl. 2(1): 200 | 1786 |
| Fabaceae | |
Crotalaria purshii var. polyphylla | (L. Riley) H. Senn | Rhodora 41(488): 346 | 1939 |
| Fabaceae | |
Crotalaria quercetorum | Brandegee | Univ. Calif. Publ. Bot. 10(8): 407 | 1924 |
| Fabaceae | ! |
Crotalaria retusa | L. | Sp. Pl. 2: 715 | 1753 |
| Fabaceae | ! |
Crotalaria rotundifolia | J.F. Gmel. | Syst. Nat. 2(2): 1095 | 1791 [1792] |
| Fabaceae | |
Crotalaria rotundifolia var. vulgaris | Windler | Phytologia 21(4): 264 | 1971 |
| Fabaceae | |
Crotalaria rzedowskii | Ju. Espinosa | Phytologia 36(4): 265–268, f. 1 | 1977 |
| Fabaceae | ! |
Crotalaria sagittalis | L. | Sp. Pl. 2: 714 | 1753 |
| Fabaceae | |
Crotalaria sagittalis var. blumeriana | H. Senn | Rhodora 41(488): 339–340 | 1939 |
| Fabaceae | |
Crotalaria sagittalis var. fruticosa | (Mill.) Fawc. & Rendle | Fl. Jamaica 4: 10 | 1920 |
| Fabaceae | |
Crotalaria schiedeana | Steud. | Nomencl. Bot. (ed. 2) 1: 445 | 1840 |
| Fabaceae | |
Crotalaria setifera | DC. | Prodr. 2: 131 | 1825 |
| Fabaceae | ! |
Crotalaria spectabilis | Roth | Nov. Pl. Sp. 341–342 | 1821 |
| Fabaceae | |
Crotalaria striata | DC. | Prodr. 2: 131 | 1825 |
| Fabaceae | |
Crotalaria tepicana | Hook. & Arn. | Bot. Beechey Voy. 414 | 1841 [1840] |
| Fabaceae | |
Crotalaria triantha | Moc. & Sessé ex DC. | Prodr. 2: 135 | 1825 |
| Fabaceae | |
Crotalaria tuerckheimii | H. Senn | Rhodora 41(488): 334–335 | 1939 |
| Fabaceae | |
Crotalaria usaramoensis | Baker f. | J. Linn. Soc., Bot. 42(286): 346–347 | 1914 |
| Fabaceae | ! |
Crotalaria verrucosa | L. | Sp. Pl. 2: 715 | 1753 |
| Fabaceae | |
Crotalaria vitellina var. schippii | H. Senn | Rhodora 41(488): 364 | 1939 |
| Fabaceae | |
Crotalaria zanzibarica | Benth. | London J. Bot. 2: 584 | 1843 |