Polygonaceae
Polygonum

Polygonum sawatchense Small

First published in Bull. Torrey Bot. Club 20: 213 (1893)
This species is accepted
The native range of this species is W. Central Canada to W. & W. Central U.S.A. and Mexico (N. Baja California). It is an annual and grows primarily in the temperate biome.

Distribution

Native to:

Alberta, Arizona, British Columbia, California, Colorado, Idaho, Mexico Northwest, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, Saskatchewan, South Dakota, Utah, Washington, Wyoming

Accepted Infraspecifics

Classification

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Publications

An alternative taxonomy had been proposed by the following authorities:

  • Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia . ed. 2: 1-358. Province of British Columbia. [Cited as Polygonum douglasii subsp. johnstonii.]

Kew Backbone Distributions

  • Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia . ed. 2: 1-358. Province of British Columbia.
  • Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
  • Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303.
  • Rebman, J.P., Gibson, J. & Rich, K. (2016). Annotated checklist of the vascular plants of Baja California, Mexico. Proceedings of the San Diego Society of Natural History 45: 1-352.

Other Data

Other Kew resources that provide information on this taxon:

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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 2024. 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