Cannabaceae | |
Humulus lupulus var. cordifolius
| Maxim. | Enum. Pl. Jap. 2: 489 | 1879 |
Cannabaceae | |
Humulus lupulus var. fengxianensis
| J.Q. Fu | Acta Bot. Boreal.-Occid. Sin. 12(6): 70, 72, f. | 1992 |
Cannabaceae | |
Humulus lupulus var. lupuloides
| E. Small | Syst. Bot. 3(1): 63–64, f. 16, 17, 28, 37 | 1978 |
Cannabaceae | |
Humulus lupulus var. lupulus
| | | |
Cannabaceae | |
Humulus lupulus var. neomexicanus
| A. Nelson & Cockerell | Proc. Biol. Soc. Washington 16(13): 45 | 1903 |
Cannabaceae | |
Humulus lupulus var. pubescens
| E. Small | Syst. Bot. 3(1): 63, f. 14, 18, 27, 36 | 1978 |