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CCDB → Angiosperms → Compositae → Petasites → Petasites frigidus var. X (Greene) Cherniawsky & R. J. Bayer
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Petasites vitifolius Greene | Petasites frigidus var. X (Greene) Cherniawsky & R. J. Bayer | 60 | IPCN online | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. |