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CCDB → Angiosperms → Compositae → Petasites → Petasites frigidus var. palmatus (Aiton) Cronquist
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Petasites frigidus var. palmatus (Aiton) Cronquist | Petasites frigidus var. palmatus (Aiton) Cronquist | 30(1) | Asteracea | Ornduff et al. 1963 Amer. J. Bot. | ||
| ! | Petasites frigidus var. palmatus (Aiton) Cronquist | Petasites frigidus var. palmatus (Aiton) Cronquist | ca.60 (61, 62)(1) | Asteracea | Sorensen ＆ C. 1964 Botanisk tidsskrift | ||
| ! | Petasites frigidus var. palmatus (Aiton) Cronquist | Petasites frigidus var. palmatus (Aiton) Cronquist | 60(1) | Asteracea | Cherniawsky ＆ B. 1998b Canad. J. Bot. (= Botany) | ||
| ! | Petasites palmatus (Aiton) A. Gray | Petasites frigidus var. palmatus (Aiton) Cronquist | c.60 | IPCN65 | Sorensen & C. 1964 | ||
| Nardosmia palmata (Aiton) Hook. | Petasites frigidus var. palmatus (Aiton) Cronquist | 60 | IPCN online | Love, A. & D. Love. 1975a. In IOPB chromosome number reports L. Taxon 24: 671–678. | |||
| Petasites palmatus (Aiton) A. Gray | Petasites frigidus var. palmatus (Aiton) Cronquist | 60 | IPCN online | Morton, J. K. 1981. Chromosome numbers in Compositae from Canada and the U.S.A. Bot. J. Linn. Soc. 82: 357–368. | |||
| ! | Nardosmia palmata (Aiton) Hook. | Petasites frigidus var. palmatus (Aiton) Cronquist | c.60 | IPCN66 | Sokolovskaya 1966 | ||
| ! | Petasites frigidus var. palmatus (Aiton) Cronquist | Petasites frigidus var. palmatus (Aiton) Cronquist | 60,61,62 | eFlora | |||
| ! | Nardosmia palmata (Aiton) Hook. | Petasites frigidus var. palmatus (Aiton) Cronquist | ~60 | Fedorov, 1974 | CoKononcKaH 1966 | ||
| ! | Petasites palmatus (Aiton) A. Gray | Petasites frigidus var. palmatus (Aiton) Cronquist | 60 | Fedorov, 1974 | Sorensen, Christiansen 1964 | ||
| ! | Petasites frigidus var. palmatus (Aiton) Cronquist | Petasites frigidus var. palmatus (Aiton) Cronquist | 30 | Cave1963 | Ornduff et al. 1963; Anderson 1963 |