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CCDB → Angiosperms → Compositae → Symphyotrichum → Aster commutatus var. polycephalus (Rydb.) S. F. Blake
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Aster commutatus var. polycephalus (Rydb.) S. F. Blake | Symphyotrichum falcatum var. commutatum (Torr. & A. Gray) G. L. Nesom | 5 | IPCN online | Keil, D. J. 1976. Chromosome numbers for Euphorbia (Euphorbiaceae) from western North America. Madroño 23: 405–408. |