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Entries 1 to 6 of 6 found in IPNI for "Helianthus laetiflorus":
(Your search term was understood as: Genus = Helianthus and species = laetiflorus)

Result page: 1 of 1

Asteraceae Helianthus laetiflorus Pers. Syn. Pl. [Persoon] 2(2): 476. 1807 [Sept 1807] (IK) view IPNI entry
Asteraceae Helianthus laetiflorus Pers., pro spec., Clev. & Heiser Rhodora lxv. 131 (1963). (IK) view IPNI entry
Asteraceae Helianthus laetiflorus Pers. Syn. Pl. [Persoon] 2: 476. 1807 (GCI) view IPNI entry
Asteraceae Helianthus laetiflorus Pers. f. rigidus (Desf.) B.Boivin Naturaliste Canad. 94: 647. 1967 (GCI) view IPNI entry
Asteraceae Helianthus laetiflorus Pers. var. rigidus (Desf.) Fernald Rhodora 48: 79. 1946 (GCI) view IPNI entry
Asteraceae Helianthus laetiflorus var. subrhomboideus (Rydb.) Fernald Rhodora 48: 79. 1946 (GCI) view IPNI entry

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