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CCDB → Angiosperms → Compositae → Hymenoxys → Hymenoxys helenioides (Rydb.) Ckll.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hymenoxys helenioides (Rydb.) Ckll. | Hymenoxys helenioides (Rydb.) Cockerell | 15(1) | Asteracea | Speese & B. 1952 Amer. J. Bot. |