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CCDB → Angiosperms → Compositae → Helianthus → Helianthus paradoxus Heiser
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 9-11+12-16I(7) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| ! | Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 13-14II+6-8I(4) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| ! | Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 13II+8I(7) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 17(1) | Asteracea | Sossey-Alaoui, K. et al. 1998 Theor. Appl. Genet. | |||
| Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 17 | IPCN online | Powell, A. M. & S. A. Powell. 1978. Chromosome Numbers in Asteraceae. Madroño 25(3): 160–169. | |||
| Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 17 | IPCN online | Seiler, G. J. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 776. | |||
| Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 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 paradoxus Heiser | Helianthus paradoxus Heiser | 34 | eFlora | |||
| ! | Helianthus paradoxus Heiser | Helianthus paradoxus Heiser | 34 | C-values database | Sims LE, Price HJ. 1985. Nuclear DNA content variation in Helianthus (Asteraceae). American Journal of Botany 72: 1213-1219. |