| Polemoniaceae | |
Collomia aristella
| (A. Gray) Rydb. | Mem. New York Bot. Gard. 1: 318 | 1900 |
| Polemoniaceae | |
Collomia biflora
| (Ruiz & Pav.) Brand | Bot. Jahrb. Syst. 36: 72 | 1905 |
| Polemoniaceae | |
Collomia cavanillesiana
| G. Don | Gen. Hist. 4: 247 | 1838 |
| Polemoniaceae | |
Collomia cavanillesii
| Hook. & Arn. | Bot. Beechey Voy. 34 | 1841 [1830] |
| Polemoniaceae | |
Collomia chubutensis
| Speg. | Revista Fac. Agron. Univ. Nac. La Plata 3: 619 | 1897 |
| Polemoniaceae | |
Collomia coccinea
| Lehm. ex Lindl. | Index Seminum (Hamburg) 1832: 4, 7 | 1832 |
| Polemoniaceae | |
Collomia debilis
| (S. Watson) Greene | Pittonia 1(8): 127 | 1887 |
| Polemoniaceae | |
Collomia diversifolia
| Greene | Pittonia 1(8): 128–129 | 1887 |
| Polemoniaceae | |
Collomia eritrichoides
| Griseb. | Abh. Königl. Ges. Wiss. Göttingen 6: 129 | 1854 |
| Polemoniaceae | |
Collomia erythraeoides
| Griseb. | Abh. Königl. Ges. Wiss. Göttingen 6: 130 | 1854 |
| Polemoniaceae | |
Collomia gilioides
| Benth. | Edwards's Bot. Reg. 19: sub pl. 1622, Collomia no. 5 | 1833 |
| Polemoniaceae | |
Collomia glutinosa
| Benth. | Edwards's Bot. Reg. 19: sub pl. 1622, Collomia no. 6 | 1833 |
| Polemoniaceae | |
Collomia gracilis
| (Hook.) Douglas ex Benth. | Edwards's Bot. Reg. 19: sub pl. 1622, Collomia no. 7 | 1833 |
| Polemoniaceae | ** |
Collomia gracilis
| Douglas ex Hook. | Bot. Mag. , t. 2924 | 1829 |
| Polemoniaceae | |
Collomia grandiflora
| Douglas ex Lindl. | Bot. Reg. 14: sub pl. 1166 | 1828 |
| Polemoniaceae | |
Collomia heterophylla
| Hook. | Bot. Mag. 56: pl. 2895 | 1829 |
| Polemoniaceae | |
Collomia howardii
| M.E. Jones | Zoë 2: 250 | 1891 |
| Polemoniaceae | |
Collomia hurdlei
| A. Nelson | Amer. J. Bot. 18(6): 435 | 1931 |
| Polemoniaceae | |
Collomia lanceolata
| Greene ex Brand | Pflanzenr. IV, 250: 49 | 1907 |
| Polemoniaceae | |
Collomia larsenii
| (A. Gray) Payson | Univ. Wyoming Publ. Sci., Bot. 1(4): 85 | 1924 |
| Polemoniaceae | |
Collomia lateritia
| D. Don | Brit. Fl. Gard. 6: t. 206 | 1833 |
| Polemoniaceae | |
Collomia leptalea
| A. Gray | Proc. Amer. Acad. Arts 8: 261 | 1870 |
| Polemoniaceae | * |
Collomia linearis
| Phil. | Anales Univ. Chile 11: 217 | 1895 |
| Polemoniaceae | |
Collomia linearis
| (Cav.) Nutt. | Gen. N. Amer. Pl. 1: 126–127 | 1818 |
| Polemoniaceae | |
Collomia linoides
| Nutt. | Proc. Acad. Nat. Sci. Philadelphia 4(1): 13 | 1848 |
| Polemoniaceae | |
Collomia longiflora
| (Torr.) A. Gray | Proc. Amer. Acad. Arts 8: 261 | 1870 |
| Polemoniaceae | |
Collomia macrocalyx
| Leiberg ex Brand | Repert. Spec. Nov. Regni Veg. 17(19–30): 317 | 1921 |
| Polemoniaceae | |
Collomia mazama
| Coville | Proc. Biol. Soc. Washington 11(6): 35–36 | 1897 |
| Polemoniaceae | |
Collomia micrantha
| Kellogg | Proc. Calif. Acad. Sci. 3(2): 18–19, f. 3 | 1863 |
| Polemoniaceae | |
Collomia nudicaulis
| Hook. & Arn. | Bot. Beechey Voy. 368–369 | 1841 [1839] |
| Polemoniaceae | |
Collomia parviflora
| Hook. | Bot. Mag. 56: t. 2893 | 1829 |
| Polemoniaceae | |
Collomia patagomica
| Speg. | Revista Fac. Agron. Univ. Nac. La Plata 30/31: ? | 1897 |
| Polemoniaceae | |
Collomia pusilla
| Dusén | Ergebn. Schwed. Exp. Magell. 3(5): 135 | 1900 |
| Polemoniaceae | |
Collomia rawsoniana
| Greene | Pittonia 1(15): 221–222 | 1888 |
| Polemoniaceae | |
Collomia renacta
| Joyal | Brittonia 38(3): 243–247, f. 1, 2 [map] | 1986 |
| Polemoniaceae | |
Collomia scabra
| Greene | Leafl. Bot. Observ. Crit. 2(4): 88 | 1910 |
| Polemoniaceae | |
Collomia sinistra
| (M.E. Jones) Brand | Pflanzenr. 27[IV,250]: 54 | 1907 |
| Polemoniaceae | |
Collomia soehrensi
| Phil. | Anales Univ. Chile 90: 218 | 1895 |
| Polemoniaceae | |
Collomia stenosiphon
| Kunze | Linnaea 24: 228 | 1851 |
| Polemoniaceae | |
Collomia subverticillata
| | | |
| Polemoniaceae | |
Collomia tenella
| A. Gray | Proc. Amer. Acad. Arts 8: 259 | 1870 |
| Polemoniaceae | |
Collomia thurberi
| A. Gray | Proc. Amer. Acad. Arts 8: 261 | 1870 |
| Polemoniaceae | |
Collomia tinctoria
| Kellogg | Proc. Calif. Acad. Sci. 3(2): 17–18, f. 2 | 1863 |
| Polemoniaceae | |
Collomia tracyi
| H. Mason | Madroño 9(8): 254–255 | 1948 |
| Polemoniaceae | |
Collomia wilkenii
| L.A. Johnson & R.L. Johnson | Syst. Bot. 31(2): 356–358, f. 4 | 2006 |
| Polemoniaceae | |
Collomia zahlbrucknerae
| | | |