Carex mertensii J.D. Prescott ex Bong.
Cyperaceae
| Collection Number | Davidson, C 12849 |
| Collectors | C. Cavidson, R. Gereau, C. M. Taylor and S. R. Christoph |
| Identified By | C. Davidson, July, 2015 |
| Source | C. Davidson |
| Date | 02 July 2015 |
| Country | USA |
| state | Idaho |
| county | Shoshone |
| Location | State Highway 4, ca. 0.1 km west of Cooper Pass. 1728 m elev. |
| Lat/Long | N 47 31 47.5 W 115 42 21.7 |
| Note | Mxed conifer forest. |
Local Habitat
0.7km distance
| Location | USA, Sanders County, Montana, Just E of Cooper Pass on State Highway 4 from Idaho., N 47 31 26.2 W 115 42 10.4 |
| Date | 02 July 2015 |
| Ecology | Mixed conifer forest. |
| Comment | Location is on the Idaho-Montana state line, i.e., the continental divide. |
