Vascular Plants of the Americas
Tropicos
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VPA
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Asterales
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Asteraceae
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Helianthus
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Helianthus × laetiflorus
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Helianthus × laetiflorus Pers.
Published In:
Synopsis Plantarum 2: 476. 1807. (
Syn. Pl.
)
Synonymy
Helianthus scaberrimus Elliott
Helianthus severus E. Watson
Helianthus superbus E. Watson
Helianthus tricuspis Elliott
Project Name Data
(Last Modified On 10/12/2017)
Acceptance :
Accepted
Checklist 2018 onwards
(Last Modified On 11/14/2023)
Updates by:
Jørgensen, Peter Møller
Reason(s) for update(s):
Changed or added synonymy, Added Reference(s)
Geography:
Flora N America
Countries (within Regions):
Canada [incl. St. Pierre and Miquelon], United States of America [incl. Alaska]
Habit:
Herb
Reference(s):
Zuloaga, F. O., M. J. Belgrano & C. A. Zanotti. 2019. Actualización del Catálogo de las Plantas Vasculares del Cono Sur. Darwiniana, n.s. 7(2): 208–278 [Apéndice 1: 1–937; Apénd. 2: 1–21].
Notes:
Introduced in Argentina.
Checklist 2017
(Last Modified On 10/12/2017)
Geography:
Flora N America
Lower Taxa
Helianthus
laetiflorus
var.
rigidus
(Cass. ex DC.) Fernald
=
Helianthus
pauciflorus
Nutt.
Helianthus
laetiflorus
var.
subrhomboideus
(Rydb.) Fernald
=
Helianthus
pauciflorus
Nutt.