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This subspecies is accepted, and its native range is W. & Central Canada to W. & W. Central U.S.A.
A specimen from Kew's Herbarium

Native to:

Alberta, Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Saskatchewan, Utah, Washington, Wyoming

Polygonum polygaloides subsp. confertiflorum (Nutt. ex Piper) J.C.Hickman appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Chamisso, L.A. von [s.n.], California Polygonum confertiflorum K000831017
s.coll. [s.n.], USA Polygonum confertiflorum K000831018
Douglas, D. [s.n.], British Columbia Polygonum confertiflorum K000831016

First published in Madroño 31: 251 (1984)

Accepted by

  • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
  • 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.

Literature

Kew Backbone Distributions

  • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
  • 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.

Herbarium Catalogue Specimens
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 Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0