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CCDB → Angiosperms → Compositae → Helianthus → Helianthus angustifolius L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helianthus angustifolius L. | Helianthus angustifolius L. | 17(1) | Asteracea | Sossey-Alaoui, K. et al. 1998 Theor. Appl. Genet. | |||
| Helianthus angustifolius L. | Helianthus angustifolius L. | 17 | IPCN65 | Smith 1965a | |||
| Helianthus angustifolius L. | Helianthus angustifolius L. | 17 | 34 | IPCN online | Kulshreshtha, V. B. & P. K. GUPTA. 1979. Cytogenetic studies in the genus Helianthus L. Cytologia 44: 325–334. | ||
| Helianthus angustifolius L. | Helianthus angustifolius L. | 17 | IPCN66 | S. B. Jones 1966 | |||
| ! | Helianthus angustifolius L. | Helianthus angustifolius L. | 34 | C-values database | Sims LE, Price HJ. 1985. Nuclear DNA content variation in Helianthus (Asteraceae). American Journal of Botany 72: 1213-1219. |