(L.) Irwin & Barneby
Blunt-leaf Senna
| Province | Rank | Native |
|---|---|---|
| Oklahoma | S3 | Yes |
| Indiana | S5 | Yes |
| South Carolina | SNR | Yes |
| Kentucky | S4 | Yes |
| Pennsylvania | SNR | Yes |
| Kansas | SNR | Yes |
| Massachusetts | SNR | Yes |
| Louisiana | SNR | Yes |
| Illinois | SNR | Yes |
| Maryland | SNR | Yes |
| Tennessee | SNR | Yes |
| Mississippi | SNR | Yes |
| Hawaii | SNA | No |
| Arkansas | SNR | Yes |
| Florida | SNR | Yes |
| Alabama | SNR | Yes |
| West Virginia | SNA | No |
| Georgia | SNR | Yes |
| Missouri | SNR | Yes |
| Delaware | SNA | No |
| North Carolina | S5 | Yes |
| New York | SNR | Yes |
| Texas | SNR | Yes |
| Area | Forest | Acres |
|---|---|---|
| Linville Gorge Addition | Pisgah National Forest | 2,809 |