| Collector | Smith, J.F. |
| Number | 6465 |
| Collected with | |
| Country | USA |
| Subpart | Idaho |
| County | |
| Locality | T13S R24E s2nw. Mt harrison, meadow at entrance to Thompson Flat campground |
| Coordinates | 42° 19' 36'' N 113° 37' 16'' W |
| Minimum elevation (m) | 8000 |
| Maximum elevation (m) | 8000 |
| Start date | 2006/07/20 |
| End date | 2006/07/20 |
| Family | Apiaceae |
| Identification | Ligusticum grayi J.M.Coult. & Rose |
| Determined by | |
| Identification qualifier | |
| Field notes | Corolla white |
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