| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | | McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Steyermark, J. A. 1977. Flora of Missouri. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | McGregor, R. L. et al. (The Great Plains Flora Association). 1977. Atlas of the Flora of the Great Plains. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | e. | Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Delaware | | Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | n. & c. | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | | Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | | Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | | Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. |