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CCDB → Angiosperms → Compositae → Achillea → Achillea ptarmica subsp. macrocephala (Rupr.) Heimerl
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Achillea ptarmica subsp. macrocephala (Rupr.) Heimerl | Achillea macrocephala Rupr. | 18(1) | Asteracea | Nishikawa 1988 J. Hokkaido Univ. Educ. Sect. 2B | ||
| ! | Achillea ptarmica subsp. macrocephala (Rupr.) Heimerl | Achillea macrocephala Rupr. | 18 | IPCN online | Nishikawa, T. 1980. Chromosome counts of flowering plants of Hokkaido (4). Rep. Taisetsuzan Inst. Sci. 15: 23–28. | ||
| ! | Achillea ptarmica subsp. macrocephala (Rupr.) Heimerl | Achillea macrocephala Rupr. | 18 | IPCN online | Nishikawa, T. 1988. Chromosome counts of flowering plants of Hokkaido (11). J. Hokkaido Univ. Educ., Sect. 2B 38: 33–40. |