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CCDB → Angiosperms → Compositae → Heterotheca → Heterotheca grandiflora Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 9II(1) | Asteracea | Semple et al. 1989 Rhodora | |||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 9II | IPCN online | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | |||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 9II | IPCN online | Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314. | |||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 9 | 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. | |||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 9II | IPCN online | Lane, M. A. & J. Li. 1993. Documented chromosome numbers 1993: 1. Chromosome number reports in Compositae with emphasis on tribe Astereae of the southwestern United States and Mexico. Sida 15: 539–546. | |||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 18 | IPCN online | Semple, J. C. 1977. Cytotaxonomy of Chrysopsis and Heterotheca (Compositae Astereae): A new interpretation of phylogeny. Canad. J. Bot. 55: 2503–2513. | |||
| ! | Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 18 | eFlora | |||
| ! | Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 18 | Darlington, 1955 | Heiser & W. 1948 | ||
| Heterotheca grandiflora Nutt. | Heterotheca grandiflora Nutt. | 18 | Cave1963 | DeJong & Mont. 1963 |