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CCDB → Angiosperms → Compositae → Hymenoxys → Hymenoxys richardsonii (Hook.) Cockerell
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hymenoxys richardsonii var. richardsonii | Hymenoxys richardsonii (Hook.) Cockerell | 15(2) | Asteracea | Strother 1966 Southw. Naturalist | |||
| ! | Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 28(1) | Asteracea | Weedin & P. 1980 Taxon | ||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 30 | IPCN online | Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417. | |||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 15 | IPCN online | Parfitt, B. D., M. A. Baker & M. L. Gallagher. 1985. Chromosome Number Reports LXXXVI. Taxon 34: 159–164. | |||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 15II | 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. | |||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 28 | IPCN online | WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718. | |||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 15 | IPCN online | Hartman, R. L. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274. | |||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 14 | IPCN66 | Taylor & Brockman 1966 | |||
| ! | Hymenoxys richardsonii subsp. richardsonii | Hymenoxys richardsonii (Hook.) Cockerell | 15 | IPCN66 | Strother 1966a | ||
| ! | Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 30 | IPCN73-74 | KOVANDA, M. 1972. Somatic chromosome numbers for some Asteraceae. Rhodora 74: 102-116. | ||
| Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 15 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. | |||
| ! | Hymenoxys richardsonii (Hook.) Cockerell | Hymenoxys richardsonii (Hook.) Cockerell | 30 | eFlora | |||
| Hymenoxys richardsonii var. richardsonii | Hymenoxys richardsonii (Hook.) Cockerell | 30 | eFlora |