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CCDB → Angiosperms → Compositae → Achillea → Achillea nigrescens (E. Mey.) Rydb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Achillea nigrescens (E. Mey.) Rydb. | Achillea nigrescens (E. Mey.) Rydb. | 36 | IAPT/IOPB | IAPT/IOPB Chromosome Data 14 | ||
| Achillea nigrescens (E. Mey.) Rydb. | Achillea nigrescens (E. Mey.) Rydb. | 36(1) | Asteracea | Lavrenko et al. 1989 Bot. Zhurn. (Moscow ＆ Leningrad) | |||
| Achillea nigrescens (E. Mey.) Rydb. | Achillea nigrescens (E. Mey.) Rydb. | 36 | IPCN online | Lavrenko, A. N., N. P. Serditov & Z. G. Ulle. 1989. Chromosome numbers in some species of flowering plants of the Urals (the Komi Autonomous Soviet Socialist Republic). Bot. Žhurn. (Moscow & Leningrad) 74: 1059–1061. | |||
| Achillea nigrescens (E. Mey.) Rydb. | Achillea nigrescens (E. Mey.) Rydb. | 36 | IPCN online | GERVAIS, C. & M. Blondeau. 2002. Documentation chromosomique. Contribution no. 6. Ludoviciana 30: 67–68. |