| Polemoniaceae | |
Langloisia flaviflora
| Davidson | Bull. S. Calif. Acad. Sci. 21(2): 39 | 1922 |
| Polemoniaceae | |
Langloisia lanata
| Brand | Pflanzenr. 27[IV,250]: 169, f. 36D | 1907 |
| Polemoniaceae | |
Langloisia matthewsii
| (A. Gray) Greene | Pittonia 3(13): 30 | 1896 |
| Polemoniaceae | |
Langloisia punctata
| (Coville) Goodd. | Bot. Gaz. 37(1): 58 | 1904 |
| Polemoniaceae | ** |
Langloisia punctata
| (Coville) A. Heller | Muhlenbergia 1(4): 57 | 1904 |
| Polemoniaceae | |
Langloisia schottii
| (Torr.) Greene | Pittonia 3(13): 30 | 1896 |
| Polemoniaceae | |
Langloisia setosissima
| (Torr. & A. Gray) Greene | Pittonia 3(13): 30 | 1896 |