Erigeron compositus Pursh
Asteraceae
| Collection Number | Davidson, C 11365 |
| Collectors | |
| Identified By | C. Davidson |
| Source | C. Davidson |
| Date | 27 May 2009 |
| Country | USA |
| state | Idaho |
| county | Idaho |
| Location | Steep north slopes above Polly Bemis Ranch, Main Salmon River |
| Lat/Long | 45 25 58.7 N 115 40 23.7 W |