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CCDB → Angiosperms → Compositae → Machaeranthera → Machaeranthera gracilis (Nutt.) Shinners
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Machaeranthera gracilis (Nutt.) Shinners | Machaeranthera gracilis (Nutt.) Shinners | 1II+1 | IPCN online | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | |||
| Machaeranthera gracilis (Nutt.) Shinners | Machaeranthera gracilis (Nutt.) Shinners | 2II | IPCN online | Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325. | |||
| Machaeranthera gracilis (Nutt.) Shinners | Machaeranthera gracilis (Nutt.) Shinners | 2II+1I | 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. | |||
| Machaeranthera gracilis (Nutt.) Shinners | Machaeranthera gracilis (Nutt.) Shinners | 2II | IPCN online | Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218. |