| Asteraceae |
|
Helianthus mollis
| Lam. | Encycl. 3(1): 85 | 1789 |
| Asteraceae |
|
Helianthus mollis
| Willd. | Sp. Pl. (ed. 4) 3(3): 2240 | 1803 |
| Asteraceae |
|
Helianthus mollis var. cordatus
| S. Watson | Gard. & Forest 2: 136, f. 100 | 1889 |
| Asteraceae |
|
Helianthus mollis fo. flavidus
| Steyerm. | Rhodora 55: 108 | 1953 |
| Asteraceae |
|
Helianthus mollis var. mollis
| | | |
| Asteraceae |
|
Helianthus mollissimus
| E. Watson | Pap. Michigan Acad. Sci. 9: 432-433, pl. 68 | 1929 |