Erigeron caespitosus Nutt.
Asteraceae
| Collection Number | Davidson, C 12205 |
| Collectors | C. Davidson, S. R. Christoph, R. Gereau, C. M. Taylor |
| Identified By | C. Davidson, Nov. 2014 |
| Source | C. Davidson |
| Date | 13 July 2013 |
| Country | USA |
| state | Idaho |
| county | Custer |
| Location | Highway 75, 18 8 mles east of Sunbeam, at Sink Creek. |
| Lat/Long | N 44 17 32.9 W 114 17 59.0 |
| Note | Crevices and coarse quartzite scree at the base of a quartzite outcrop on the E side of the road. |