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CCDB → Angiosperms → Compositae → Townsendia → Townsendia grandiflora Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9(1) | Asteracea | Watson 1973 Southw. Naturalist | |||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9II | IPCN online | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | |||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9 | IPCN online | Ward, D. E. 1983. Chromosome counts from New Mexico and southern Colorado. Phytologia 54: 302–309. | |||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9 | IPCN online | Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358. | |||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9 | IPCN online | Hartman, R. L. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274. | |||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 9 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. | |||
| ! | Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 18 | eFlora | |||
| ! | Townsendia grandiflora None | Townsendia grandiflora Nutt. | 18 | Cave1956supp | Beaman 1954 | ||
| Townsendia grandiflora Nutt. | Townsendia grandiflora Nutt. | 18 | Cave1959 | Beaman 1957 |