L.
American Bladdernut
| Province | Rank | Native |
|---|---|---|
| Tennessee | SNR | Yes |
| Georgia | SNR | Yes |
| District of Columbia | SNR | Yes |
| Mississippi | S3 | Yes |
| Iowa | S4 | Yes |
| Delaware | S4 | Yes |
| Ohio | SNR | Yes |
| Kentucky | S5 | Yes |
| Arkansas | SNR | Yes |
| South Carolina | S4 | Yes |
| Vermont | S4 | Yes |
| Connecticut | SNR | Yes |
| Oklahoma | SNR | Yes |
| New Jersey | S4 | Yes |
| West Virginia | S5 | Yes |
| Michigan | SNR | Yes |
| New Hampshire | S1 | Yes |
| Alabama | SNR | Yes |
| Nebraska | S4 | Yes |
| Massachusetts | SNR | Yes |
| Indiana | SNR | Yes |
| Wisconsin | SNR | Yes |
| Virginia | S5 | Yes |
| Florida | S1 | Yes |
| Minnesota | SNR | Yes |
| New York | S5 | Yes |
| Maryland | SNR | Yes |
| Illinois | SNR | Yes |
| Pennsylvania | S5 | Yes |
| North Carolina | S4 | Yes |
| Missouri | SNR | Yes |
| Kansas | S3 | Yes |
| Louisiana | SH | Yes |
| Province | Rank | Native |
|---|---|---|
| Ontario | S4 | Yes |
| Quebec | S3 | Yes |
| Area | Forest | Acres |
|---|---|---|
| Clifty Canyon | Ozark-St. Francis National Forest | 1,963 |
| Richland Creek | Ozark-St. Francis National Forest | 571 |
| Area | Forest | Acres |
|---|---|---|
| Wolfpen | Daniel Boone National Forest | 2,835 |
| Area | Forest | Acres |
|---|---|---|
| Irish Rare II Study Area | Mark Twain National Forest | 1,226 |
| Swan Creek Rare II Study Area | Mark Twain National Forest | 7,310 |
| Area | Forest | Acres |
|---|---|---|
| Cheoah Bald | Nantahala National Forest | 7,795 |
| Area | Forest | Acres |
|---|---|---|
| Hoop Hole | Jefferson National Forest | 4,652 |
| James River Addition | Jefferson National Forest | 1,140 |
| Northern Massanutten | George Washington National Forest | 9,444 |
| Oliver Mountain | George Washington National Forest | 13,090 |
| Area | Forest | Acres |
|---|---|---|
| Dry Fork | Monongahela National Forest | 657 |
| Middle Mountain | Monongahela National Forest | 19,020 |
| North Mountain Hopeville | Monongahela National Forest | 6,525 |