| Collector | Smith, J.F. |
| Number | 5955 |
| Collected with | |
| Country | USA |
| Subpart | Idaho |
| County | |
| Locality | T15S R23E s26. Silent City of Rocks, Road toward Oakley, gravelly, sandy substrate with exposed bedrock |
| Coordinates | 42° 4' 50'' N 113° 43' 31'' W |
| Minimum elevation (m) | 6621 |
| Maximum elevation (m) | 6621 |
| Start date | 2006/05/14 |
| End date | 2006/05/14 |
| Family | Salicaceae |
| Identification | Populus tremuloides Michx. |
| Determined by | |
| Identification qualifier | |
| Field notes | Catkins pendent, bracts dark purple, hairs tawny, stems greenish, tree to 4 m tall |
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