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CCDB → Angiosperms → Compositae → Achillea → Ptarmica sibirica Ledeb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Ptarmica sibirica Ledeb. | Achillea alpina L. | 36 | IPCN online | Belaeva, V. A. & V. N. SIPLIVINSKY. 1976. Chromosome numbers and taxonomy of some species of Baikal flora. Bot. Žhurn. (Moscow & Leningrad) 61(6): 873–880. | |||
| Ptarmica sibirica Ledeb. | Achillea alpina L. | 36 | IPCN67-71 | CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. A new evidence on chromosome numbers in species of the family Compositae Giseke. Citologija 10: 381-386. |