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CCDB → Angiosperms → Compositae → Arnica → Arnica longifolia subsp. myriadenia (Piper) Maguire
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Arnica longifolia subsp. myriadenia (Piper) Maguire | Arnica longifolia D. C. Eaton | ca. 50 | IPCN online | KYHOS, D. W. & P. H. RAVEN. 1982. Miscellaneous chromosome numbers in Asteraceae. Madroño 29: 62, 274. |