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CCDB → Angiosperms → Compositae → Wyethia → Wyethia helenioides (DC.) Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Wyethia helenioides (DC.) Nutt. | Wyethia helenioides (DC.) Nutt. | 19(1) | 38(1) | Asteracea | Weber 1946 Amer. Midl. Naturalist | |
| ! | Wyethia helenioides (DC.) Nutt. | Wyethia helenioides (DC.) Nutt. | 19 | IPCN72 | SOLBRIG, O.T., D.W. KYHOS, M. POWELL, & P.H. RAVEN. 1972. Chromosome numbers in Compositae VIII: Heliantheae. Amer. J. Bot. 59: 869-878. | ||
| ! | Wyethia helenioides (DC.) Nutt. | Wyethia helenioides (DC.) Nutt. | 38 | eFlora | |||
| ! | Wyethia helenioides (DC.) Nutt. | Wyethia helenioides (DC.) Nutt. | 38 | Darlington, 1955 |