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CCDB → Angiosperms → Compositae → Helianthus → Helianthus debilis Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helianthus debilis subsp. debilis | Helianthus debilis Nutt. | 1VI+14II(10) | Asteracea | Heiser 1961 Evolution | ||
| ! | Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17(1) | Asteracea | Pandey 1982 New Bot. (= Int. Quart. J. Pl. Sci. Res.) | ||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17(1) | Asteracea | Schevchenko 1937b SB. trhudov Saratovsk. selektz. opytn. stantzii <<Rabottz po tziolopii khulbtrntzch rastenii>>, ied VASCHNIL, M. | |||
| Helianthus debilis subsp. debilis | Helianthus debilis Nutt. | 17(1) | Asteracea | Sossey-Alaoui, K. et al. 1998 Theor. Appl. Genet. | |||
| ! | Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17(1) | Asteracea | Yamamoto 1931 The study on the plant chromosomes (Shockubutsu Senshokutaisu no Kenkyu (Tokyo)) | ||
| ! | Helianthus debilis Nutt. | Helianthus debilis Nutt. | 4-17II+0-26I(2) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| Helianthus debilis var. debilis | Helianthus debilis Nutt. | 17(1) | Asteracea | Heiser 1963b Madrono | |||
| ! | Helianthus debilis subsp. debilis | Helianthus debilis Nutt. | 15-17II+0-4I(2) | Asteracea | Heiser 1965 Ann. Missouri Bot. Gard. | ||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17 | IPCN online | Pandey, R. M. 1982. Male meiosis in a naturally occurring hybrid between Helianthus debilis Nutt. and H. annuus L. New Bot. 9: 61–67. | |||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17II | IPCN online | Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668. | |||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17 | 34 | IPCN online | Mathew, A. & P. M. Mathew. 1988. Cytological studies on the south Indian Compositae. Glimpses Pl. Res. 8: 1–177. | ||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17 | 34 | IPCN online | Ramakanth, R. S. & A. SEETHARAM. 1977. Cytomorphological studies in the genus Helianthus. 1. Karyotype studies in the diploid species. Proc. Indian Acad. Sci., B 86: 155–158. | ||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17 | IPCN online | Kulshreshtha, V. B. & P. K. GUPTA. 1979. Cytogenetic studies in the genus Helianthus L. Cytologia 44: 325–334. | |||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17 | 34 | IPCN online | Kulshreshtha, V. B. & P. K. GUPTA. 1981. Cytogenetic studies in the genus Helianthus L. II. Karyological studies in twelve species. Cytologia 46: 279–289. | ||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 17,34 0_22I +16- 32II, +0-6III+0-3IV | IPCN online | PUSHPA, G., B. G. S. REDDY, K. M. D. NAYER & A. SEETHARAM. 1977. Induced polyploidy in Helianthus debilis Nutt. Sci. & Cult. 43: 221–222. | |||
| Helianthus debilis Nutt. | Helianthus debilis Nutt. | 34 | IPCN online | De Paula Wilson. 2005. Functionality of major and minor 45S rDNA sites in different diploid wild species and varieties of sunflowers. Caryologia 58(4): 374–379. | |||
| Helianthus debilis subsp. debilis | Helianthus debilis Nutt. | 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 debilis subsp. debilis | Helianthus debilis Nutt. | 34 | eFlora | ||||
| ! | Helianthus debilis subsp. debilis | Helianthus debilis Nutt. | 17 | Cave1956 | Heiser b |