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CCDB → Angiosperms → Compositae → Petasites → Petasites frigidus var. vitifolius (Greene) Chern.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Petasites × vitifolius Greene | Petasites frigidus var. vitifolius (Greene) Chern. | 60(1) | Asteracea | Love ＆ L. 1975 Taxon | |||
| ! | Petasites warrenii H. S. John | Petasites frigidus var. vitifolius (Greene) Chern. | 30(1) | Asteracea | Ornduff et al. 1963 Amer. J. Bot. | ||
| ! | Petasites × vitifolius Greene | Petasites frigidus var. vitifolius (Greene) Chern. | 60(1) | Asteracea | Love ＆ L. 1982 Taxon | ||
| Nardosmia vitifolia (Greene) Á. Löve & D. Löve | Petasites frigidus var. vitifolius (Greene) Chern. | 60 | IPCN online | Love, A. & D. Love. 1975a. In IOPB chromosome number reports L. Taxon 24: 671–678. | |||
| ! | Petasites frigidus var. vitifolius | Petasites frigidus var. vitifolius (Greene) Chern. | 60 | eFlora | |||
| ! | Petasites warrenii H. S. John | Petasites frigidus var. vitifolius (Greene) Chern. | 60 | Fedorov, 1974 | Ornduff et al. 1963 | ||
| ! | Petasites warrenii H. S. John | Petasites frigidus var. vitifolius (Greene) Chern. | 30 | Cave1963 | Ornduff et al. 1963 |