| Fabaceae | |
Cologania affinis
| M. Martens & Galeotti | Bull. Acad. Roy. Sci. Bruxelles 10(2): 188 | 1843 |
| Fabaceae | ! |
Cologania angustifolia
| Kunth | Mimoses 209, pl. 58 | 1824 |
| Fabaceae | |
Cologania australis
| Griseb. | Abh. Königl. Ges. Wiss. Göttingen 19: 124 | 1874 |
| Fabaceae | ! |
Cologania biloba
| (Lindl.) G. Nicholson | Ill. Dict. Gard. 1: 363 | 1887 |
| Fabaceae | ! |
Cologania broussonetii
| (Balb.) DC. | Prodr. 2: 237 | 1825 |
| Fabaceae | ! |
Cologania capitata
| Rose | Contr. U.S. Natl. Herb. 8(1): 41, pl. 5 | 1903 |
| Fabaceae | |
Cologania confusa
| Rose | Contr. U.S. Natl. Herb. 8(1): 37 | 1903 |
| Fabaceae | |
Cologania congesta
| Rose | Contr. U.S. Natl. Herb. 8(4): 312–313 | 1905 |
| Fabaceae | ! |
Cologania cordata
| Fearing ex McVaugh | Fl. Novo-Galiciana 5: 356–358, f. 50 | 1987 |
| Fabaceae | |
Cologania deamii
| Fernald | Proc. Amer. Acad. Arts 36: 492 | 1900 |
| Fabaceae | |
Cologania erecta
| Rose | Contr. U.S. Natl. Herb. 5(3): 136 | 1897-1901 [1897] |
| Fabaceae | |
Cologania glabrior
| Rose | Contr. U.S. Natl. Herb. 8(1): 38 | 1903 |
| Fabaceae | |
Cologania grandiflora
| Rose | Contr. U.S. Natl. Herb. 8(1): 41 | 1903 |
| Fabaceae | |
Cologania heterophylla
| Gillies ex Hook. | Bot. Misc. 3: 181–182 | 1833 |
| Fabaceae | |
Cologania hintoniorum
| B.L. Turner | Phytologia 73(4): 295 | 1992 |
| Fabaceae | ! |
Cologania hirta
| (M. Martens & Galeotti) Rose | Contr. U.S. Natl. Herb. 3(5): 315 | 1895 |
| Fabaceae | |
Cologania houghii
| Rose | Contr. U.S. Natl. Herb. 8(1): 39 | 1903 |
| Fabaceae | |
Cologania humifusa
| Hemsl. | Diagn. Pl. Nov. Mexic. 3: 47 | 1880 |
| Fabaceae | |
Cologania humilis
| Rose | Contr. U.S. Natl. Herb. 8(1): 40 | 1903 |
| Fabaceae | |
Cologania intermedia
| Kunth | Nov. Gen. Sp. (quarto ed.) 6: 414 | 1823 |
| Fabaceae | ! |
Cologania jaliscana
| S. Watson | Proc. Amer. Acad. Arts 26: 136 | 1891 |
| Fabaceae | |
Cologania lemmonii
| A. Gray | Proc. Amer. Acad. Arts 19: 74 | 1884 [1883] |
| Fabaceae | |
Cologania longifolia
| A. Gray | Smithsonian Contr. Knowl. 5(6): 35 | 1853 |
| Fabaceae | |
Cologania lozanoi
| Rose | Contr. U.S. Natl. Herb. 10(3): 100 | 1906 |
| Fabaceae | |
Cologania martia
| S. Watson | Proc. Amer. Acad. Arts 17: 345–346 | 1882 |
| Fabaceae | |
Cologania mexicana
| Zucc. | Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 1: 339 | 1832 |
| Fabaceae | |
Cologania nelsonii
| Rose | Contr. U.S. Natl. Herb. 8(1): 40 | 1903 |
| Fabaceae | ! |
Cologania obovata
| Schltdl. | Linnaea 12(3): 287 | 1838 |
| Fabaceae | ! |
Cologania ovalifolia
| Kunth | Nov. Gen. Sp. (quarto ed.) 6: 412–413 | 1823 [1824] |
| Fabaceae | ! |
Cologania pallida
| Rose | Contr. U.S. Natl. Herb. 8(1): 38 | 1903 |
| Fabaceae | ! |
Cologania parviflora
| V.M. Badillo | Ernstia 52: 9, f. 4 | 1989 |
| Fabaceae | |
Cologania pringlei
| S. Watson | Proc. Amer. Acad. Arts 23(2): 271–272 | 1888 |
| Fabaceae | * |
Cologania pringlei
| S. Watson | Proc. Amer. Acad. Arts 25: 147 | 1890 |
| Fabaceae | ! |
Cologania procumbens
| Kunth | Mimoses 205, pl. 57 | 1824 |
| Fabaceae | |
Cologania pulchella
| Kunth | Nov. Gen. Sp. (quarto ed.) 6: 413–414 | 1823 [1824] |
| Fabaceae | |
Cologania purpurea
| M. Martens & Galeotti | Bull. Acad. Roy. Sci. Bruxelles 10: 191 | 1843 |
| Fabaceae | |
Cologania racemosa
| (B.L. Rob.) Rose | Contr. U.S. Natl. Herb. 8(1): 40 | 1903 |
| Fabaceae | |
Cologania rufescens
| Rose | Contr. U.S. Natl. Herb. 8(1): 38 | 1903 |
| Fabaceae | |
Cologania scandens
| Rose | Contr. U.S. Natl. Herb. 8(1): 38 | 1903 |
| Fabaceae | |
Cologania tenuis
| Rose | Contr. U.S. Natl. Herb. 10(3): 100, pl. 31 | 1906 |