Asteraceae
Helianthus
Helianthus nuttallii

Helianthus nuttallii subsp. parishii (A.Gray) Heiser

First published in Contr. Dudley Herb. 4: 316 (1955)
This subspecies is accepted
The native range of this subspecies is California (Los Angeles area). It is a perennial and grows primarily in the temperate biome.

Distribution

Extinct in:

California

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Christenhusz, M. & Govaerts, R. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.
  • Humphreys, A.M., Govaerts, R., Ficinski, S.Z., Nic Lughadha, E. & Vorontsova, M.S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047.
  • Knapp, W.M. & al. (2020). Vascular plant extinction in the continental United States and Canada. Conservation biology 13621: 1-22.
  • Rejmánek, M. (2018 publ. 2017). Vascular plant extinctions in California: A critical assessment. Diversity and Distributions 24: 129-136.
  • 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?
Howell, T.J. [s.n.] United States K002499898 Yes
s.coll. [s.n.] United States K002499897 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