| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | s. | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | e. | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | | FNA Editorial Committee. 1993-. Flora of North America. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | e. | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | n. | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | n. | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 4 | Naturalized | Northern America | | United States | | Atlantic states | Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):101-103. |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Ontario | s.e. | FNA Editorial Committee. 1993-. Flora of North America. |