Torr. & Gray
Watson's Spineflower
| Province | Rank | Native |
|---|---|---|
| Arizona | SNR | Yes |
| California | SNR | Yes |
| Idaho | SNR | Yes |
| Nevada | S4 | Yes |
| Oregon | SNR | Yes |
| Washington | SNR | Yes |
| Utah | S1 | Yes |
| Area | Forest | Acres |
|---|---|---|
| Andrews Mtn. | Inyo National Forest | 9,912 |
| Antimony | Los Padres National Forest | 40,911 |
| Birch Creek | Inyo National Forest | 28,816 |
| Black Canyon | Inyo National Forest | 32,421 |
| Coyote Southeast | Inyo National Forest | 53,159 |
| Devil's Gate (CA) | Humboldt-Toiyabe National Forest | 9,946 |
| Granite Peak | San Bernardino National Forest | 450 |
| Hoover - North | Humboldt-Toiyabe National Forest | 1,574 |
| Horton | Inyo National Forest | 5,717 |
| Iceberg - Mill Creek | Humboldt-Toiyabe National Forest | 26,988 |
| Mt. Jackson | Humboldt-Toiyabe National Forest | 20,721 |
| Paiute | Inyo National Forest | 58,712 |
| Pleasant View | Angeles National Forest | 26,395 |
| Sawmill - Badlands | Los Padres National Forest | 51,362 |
| Soldier Canyon | Inyo National Forest | 40,589 |
| Tinemaha | Inyo National Forest | 27,060 |
| Wheeler Ridge | Inyo National Forest | 15,744 |
| Wonoga Pk. | Inyo National Forest | 11,272 |
| Area | Forest | Acres |
|---|---|---|
| Arc Dome - Carvers | Humboldt-Toiyabe National Forest | 3,846 |
| Boundary Peak (NV) | Inyo National Forest | 21,851 |
| Four Mile | Humboldt-Toiyabe National Forest | 24,093 |
| Fourmile Hill | Humboldt-Toiyabe National Forest | 15,718 |
| Iron Spring | Humboldt-Toiyabe National Forest | 36,737 |
| Pine Grove South | Humboldt-Toiyabe National Forest | 88,945 |
| Quinn | Humboldt-Toiyabe National Forest | 62,459 |
| Red Peak | Humboldt-Toiyabe National Forest | 7,319 |
| Sam's Canyon | Humboldt-Toiyabe National Forest | 11,869 |
| Saulsbury | Humboldt-Toiyabe National Forest | 30,957 |
| Sherman Peak | Humboldt-Toiyabe National Forest | 6,433 |
| Sweetwater (NV) | Humboldt-Toiyabe National Forest | 5,946 |
| Table Mtn. - East | Humboldt-Toiyabe National Forest | 87,789 |
| Toquima Cave | Humboldt-Toiyabe National Forest | 43,147 |
| West Walker (NV) | Humboldt-Toiyabe National Forest | 5,683 |