Asteraceae
Helianthus
Helianthus nuttallii

Helianthus nuttallii subsp. rydbergii (Britton) R.W.Long

First published in Brittonia 18: 77 (1966)
This subspecies is accepted
The native range of this subspecies is Canada to NW. & N. Central U.S.A.

Distribution

Native to:

Alberta, Colorado, Iowa, Manitoba, Minnesota, Montana, Nebraska, North Dakota, Ontario, Québec, Saskatchewan, South Dakota

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
s.coll. [1651] United States K002499902 Yes
Geyer, C.A. [274] K002499899 Yes
Gordon [s.n.] K002499901 Yes
Burke [14] K002499900 Yes

Sources

  • 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/

  • 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