Asteraceae | |
Helianthus tuberosus var. albus
| Cockerell | Amer. Naturalist 53(625): 189–190, f. 2 | 1919 |
Asteraceae | |
Helianthus tuberosus var. alexandri
| Cockerell | Amer. Naturalist 53(625): 188–189 | 1919 |
Asteraceae | |
Helianthus tuberosus var. fusiformis
| Cockerell | Amer. Naturalist 53(625): 189, f. 1–2 | 1919 |
Asteraceae | |
Helianthus tuberosus fo. moldenkeanus
| Oswald | Phytologia 52(2): 93–94 | 1982 |
Asteraceae | |
Helianthus tuberosus var. nebrascensis
| Cockerell | Amer. Naturalist 53(625): 188 | 1919 |
Asteraceae | |
Helianthus tuberosus var. oblongifolius
| A. DC. | Prodr. 5: 590 | 1836 |
Asteraceae | |
Helianthus tuberosus fo. oswaldiae
| Oswald | Phytologia 44: 419–420 | 1979 |
Asteraceae | |
Helianthus tuberosus var. purpurellus
| Cockerell | Amer. Naturalist 53(625): 189 | 1919 |
Asteraceae | |
Helianthus tuberosus var. purpureus
| Cockerell | Amer. Naturalist 53(625): 190–191 | 1919 |
Asteraceae | |
Helianthus tuberosus var. subcanescens
| A. Gray | Syn. Fl. N. Amer. 1(2): 280 | 1884 |
Asteraceae | |
Helianthus tuberosus var. tuberosus
| | | |
Asteraceae | ** |
Helianthus tuberosus var. typicus
| Cockerell | Amer. Naturalist 53(625): 188 | 1919 |