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CCDB → Angiosperms → Compositae → Pappobolus → Helianthopsis hypargyreus (S. F. Blake) H. Rob.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helianthopsis hypargyreus (S. F. Blake) H. Rob. | Pappobolus hypargyreus (S. F. Blake) Panero | 9, 17 | IPCN online | Robinson, H., A. M. Powell, R. M. King & J. F. Weedin. 1981. Chromosome Numbers in Compositae, XII: Heliantheae. Smithsonian Contr. Bot. 52: 1–28. |