(L.) Karst.
Arctic Pearlwort
| Province | Rank | Native |
|---|---|---|
| Nevada | S3 | Yes |
| Utah | SNR | Yes |
| New Mexico | SNR | Yes |
| Washington | SNR | Yes |
| Arizona | SNR | Yes |
| South Dakota | SNR | Yes |
| Idaho | SNR | Yes |
| Alaska | SNR | Yes |
| Montana | S4 | Yes |
| Oregon | SNR | Yes |
| Colorado | S4 | Yes |
| Wyoming | S4 | Yes |
| California | SNR | Yes |
| Province | Rank | Native |
|---|---|---|
| Alberta | S3 | Yes |
| Island of Newfoundland | S1 | Yes |
| Yukon Territory | S4 | Yes |
| British Columbia | S5 | Yes |
| Labrador | S3 | Yes |
| Quebec | S3 | Yes |
| Northwest Territories | SNR | Yes |
| Area | Forest | Acres |
|---|---|---|
| Castle Peak | Tahoe National Forest | 14,974 |
| Coyote North | Inyo National Forest | 11,932 |
| Hall Natural Area | Inyo National Forest | 5,236 |
| Heart Lake | Lassen National Forest | 9,349 |
| Hoover - North | Humboldt-Toiyabe National Forest | 1,574 |
| Horse Mdw. | Inyo National Forest | 5,687 |
| Nessie | Inyo National Forest | 830 |
| North Lake | Inyo National Forest | 2,406 |
| Robinson Peak | Humboldt-Toiyabe National Forest | 5,835 |
| Table Mtn. | Inyo National Forest | 4,215 |
| Area | Forest | Acres |
|---|---|---|
| Middle Mtn. / Tobacco Roots | Beaverhead-Deerlodge National Forest | 96,487 |
| Area | Forest | Acres |
|---|---|---|
| Rose - Galena | Humboldt-Toiyabe National Forest | 3,711 |
| Area | Forest | Acres |
|---|---|---|
| Cloud Peak Contiguous | Bighorn National Forest | 113,757 |
| Dunoir Special Management Unit | Shoshone National Forest | 29,719 |
| Reef | Shoshone National Forest | 16,817 |
| Rock Creek | Medicine Bow-Routt National Forest | 18,874 |
| Snowy Range | Medicine Bow-Routt National Forest | 29,660 |
| Spread Creek - Gros Ventre River | Bridger-Teton National Forest | 166,097 |
| Togwotee Pass | Shoshone National Forest | 7,344 |
| West Dunoir | Shoshone National Forest | 2,542 |