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CCDB → Angiosperms → Compositae → Helenium → Helenium tenuifolium Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium tenuifolium Nutt. | Helenium tenuifolium Nutt. | 30 | IPCN67-71 | CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. Data on karyology of the family Compositae Giseke. Citologija 10: 198-206. | |||
| Helenium tenuifolium Nutt. | Helenium tenuifolium Nutt. | 15 | Cave1962 | Jackson 1962b |