Compositae source details
(1946). Rhodora 48(568):
328052
1946
Publication
Date
action
by
Helianthus laetiflorus var. subrhomboideus (Rydb.) Fernald accepted as Helianthus pauciflorus subsp. subrhomboideus (Rydb.) O.Spring & E.E.Schill. (original description)
