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CCDB → Angiosperms → Compositae → Helianthus → Helianthus rigidus subsp. subrhomboideus (Rydb.) Heiser
Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
Helianthus rigidus subsp. subrhomboideus (Rydb.) Heiser | Helianthus pauciflorus subsp. subrhomboideus (Rydb.) O. Spring & E. E. Schill. | 102(1) | Asteracea | Uhrikova & F. 1978 Taxon |