Collomia grandiflora Douglas ex Lindl.
Polemoniaceae
| Collection Number | Davidson, C 12181 |
| Collectors | C. Davidson, S. R. Christoph |
| Identified By | C. Davidson, Nov., 2013 |
| Source | C. Davidson |
| Date | 15 June 2013 |
| Country | USA |
| state | Idaho |
| county | Boise |
| Location | Black's Creek Road, 0.3 miles from Boise River bridge. Foot of white granite road cut facing S. Fk. Boise River; in sandy-gravelly talus. 1032 m elev. |
| Lat/Long | N 43 32 56.5 W 115 43 37.1 |