Helianthus giganteus L.

First published in Sp. Pl.: 905 (1753)
This species is accepted
The native range of this species is E. Canada to N. Central & E. U.S.A. It is a perennial and grows primarily in the temperate biome.

Distribution

Native to:

Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, New Brunswick, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Ohio, Ontario, Pennsylvania, Québec, South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin

Introduced into:

France, Germany, Poland

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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PAFTOL

POWO follows these authorities in accepting this name:

  • Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 2: 865-1712. Verlag Regionalkultur, Uberstadt-Weiher.
  • Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Kew Backbone Distributions

  • (2023). https://doi.org/10.5586/asbp/162050. epublication.
  • Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 2: 865-1712. Verlag Regionalkultur, Uberstadt-Weiher.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
[illegible] [19] K002499802 Yes
s.coll. [19] K002499801 Yes
Song [Isl]aud [s.n.] United States K002499822 Yes
Dawson, G.M. [V85] K002499808 Yes
Baldwin, W.K.W.; Breitung, A.J. [3897] Canada K002499815 Yes
Macoun [814] Canada K002499810 Yes
[illegible] [[78]] K002499794 Yes
Ahles, H.E.; Haesloop, J.G. [52457] United States K002499823 Yes
Burke [21] K002499795 Yes
s.coll. [1445] United States K002499820 Yes
s.coll. [s.n.] K002499799 Yes
s.coll. [s.n.] K002499793 Yes
Mitford [s.n.] K002499805 Yes
Clapp [s.n.] United States K002499819 Yes
Drummond [19] K002499817 Yes
s.coll. [s.n.] K002499800 Yes
Mitford [s.n.] K002499806 Yes
Eastwood, A. [92] United States K002499816 Yes
Macoun, J. [10925] Canada K002499812 Yes
[A H B] [803] Canada K002499813 Yes
Shaw, C.H. [s.n.] Canada K002499814 Yes
Geyer, C.A. [66] K002499809 Yes
Jardin [s.n.] K002499797 Yes
Torrey [19] United States K002499821 Yes
Anashenko, A.V. [2] K002499804 Yes
s.coll. [19] K002499803 Yes
s.coll. [s.n.] K002499807 Yes
Moser [s.n.] United States K002499798 Yes
Macoun [613] Canada K002499811 Yes
s.coll. [s.n.] K002499796 Yes
Bourgeau, E. [s.n.] Canada K002499818 Yes

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Science Photographs

    • Copyright applied to individual images