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CCDB → Angiosperms → Compositae → Helianthus → Helianthus nuttallii subsp. nuttallii
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helianthus nuttallii subsp. nuttallii | Helianthus nuttallii Torr. & A. Gray | 34(1) | Asteracea | Vanzela et al. 2002 Genetica | |||
| Helianthus nuttallii subsp. nuttallii | Helianthus nuttallii Torr. & A. Gray | 17(1) | Asteracea | Sossey-Alaoui, K. et al. 1998 Theor. Appl. Genet. | |||
| ! | Helianthus nuttallii subsp. nuttallii | Helianthus nuttallii Torr. & A. Gray | 17 | IPCN66 | Long 1966b |