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CCDB → Angiosperms → Compositae → Helianthus → Helianthus occidentalis subsp. plantagineus (Torr. & A. Gray) Shinners
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helianthus occidentalis subsp. plantagineus (Torr. & A. Gray) Shinners | Helianthus occidentalis subsp. plantagineus (Torr. & A. Gray) Shinners | 17(1) | Asteracea | Seiler 1982 Taxon | ||
| ! | Helianthus occidentalis subsp. plantagineus (Torr. & A. Gray) Shinners | Helianthus occidentalis subsp. plantagineus (Torr. & A. Gray) Shinners | 17 | IPCN online | Seiler, G. J. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 776. |