Walt.
Hemlock Water-parsnip
| Province | Rank | Native |
|---|---|---|
| Mississippi | SNR | Yes |
| Louisiana | S1 | Yes |
| Rhode Island | SNR | Yes |
| New Jersey | S5 | Yes |
| Michigan | SNR | Yes |
| Maine | SNR | Yes |
| Illinois | SNR | Yes |
| Kansas | S1 | Yes |
| Virginia | S5 | Yes |
| Maryland | SNR | Yes |
| Wyoming | S3 | Yes |
| New Hampshire | SNR | Yes |
| Georgia | S3 | Yes |
| Washington | SNR | Yes |
| Idaho | SNR | Yes |
| Utah | SNR | Yes |
| District of Columbia | SNR | Yes |
| North Carolina | S3 | Yes |
| Montana | S4 | Yes |
| Connecticut | SNR | Yes |
| New Mexico | SNR | Yes |
| Arkansas | S2 | Yes |
| North Dakota | SNR | Yes |
| Pennsylvania | S5 | Yes |
| Minnesota | SNR | Yes |
| Delaware | S4 | Yes |
| Tennessee | SNR | Yes |
| Missouri | SNR | Yes |
| Alabama | SNR | Yes |
| Iowa | S4 | Yes |
| Indiana | SNR | Yes |
| Colorado | S3 | Yes |
| South Carolina | S3 | Yes |
| West Virginia | S2 | Yes |
| Nevada | S3 | Yes |
| Alaska | SNR | Yes |
| Kentucky | S3 | Yes |
| Vermont | S5 | Yes |
| Wisconsin | SNR | Yes |
| Texas | S1 | Yes |
| Massachusetts | SNR | Yes |
| Nebraska | SNR | Yes |
| South Dakota | SNR | Yes |
| Ohio | SNR | Yes |
| New York | S5 | Yes |
| Arizona | S1 | Yes |
| Oregon | SNR | Yes |
| Florida | SNR | Yes |
| California | SNR | Yes |
| Province | Rank | Native |
|---|---|---|
| Labrador | S1 | Yes |
| Ontario | S5 | Yes |
| Manitoba | S5 | Yes |
| Nunavut | SU | Yes |
| British Columbia | S5 | Yes |
| Northwest Territories | S4 | Yes |
| Island of Newfoundland | S3 | Yes |
| Prince Edward Island | S5 | Yes |
| Quebec | S5 | Yes |
| Saskatchewan | S4 | Yes |
| New Brunswick | S5 | Yes |
| Yukon Territory | S3 | Yes |
| Alberta | S5 | Yes |
| Nova Scotia | S5 | Yes |
| Area | Forest | Acres |
|---|---|---|
| Excelsior (CA) | Inyo National Forest | 45,607 |
| Area | Forest | Acres |
|---|---|---|
| Baker - Homer - Brule Lakes | Superior National Forest | 6,712 |
| Brule Lake - Eagle Mountain | Superior National Forest | 12,380 |
| Tait Lake | Superior National Forest | 6,327 |
| Area | Forest | Acres |
|---|---|---|
| Hilgard Mountain | Fishlake National Forest | 28,389 |
| Mt. Um Plateau - Mt Terrill | Fishlake National Forest | 17,490 |
| Area | Forest | Acres |
|---|---|---|
| Pacific Creek - Blackrock Creek | Bridger-Teton National Forest | 24,658 |
| Spread Creek - Gros Ventre River | Bridger-Teton National Forest | 166,097 |