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CCDB → Angiosperms → Compositae → Helianthus → Helianthus niveus subsp. canescens (A. Gray) Heiser
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helianthus niveus subsp. canescens (A. Gray) Heiser | Helianthus petiolaris var. canescens A. Gray | 17(1) | Asteracea | Chandler et al. 1986 Syst. Bot. | |||
| Helianthus niveus subsp. canescens (A. Gray) Heiser | Helianthus petiolaris var. canescens A. Gray | 17 | IPCN online | Chandler, J. M., C. C. Jan & B. H. Beard. 1986. Chromosomal differentiation among the annual Helianthus species. Syst. Bot. 11: 354–371. | |||
| ! | Helianthus niveus subsp. canescens (A. Gray) Heiser | Helianthus petiolaris var. canescens A. Gray | 34 | C-values database | Sims LE, Price HJ. 1985. Nuclear DNA content variation in Helianthus (Asteraceae). American Journal of Botany 72: 1213-1219. |