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This genus is accepted, and its native range is W. & Central Canada to NW. Mexico and N. Mexico.
A specimen from Kew's Herbarium

Native to:

Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Idaho, Kansas, Mexico Northeast, Mexico Northwest, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, Saskatchewan, South Dakota, Texas, Utah, Washington, Wyoming

Toxicoscordion Rydb. appears in other Kew resources:

First published in Bull. Torrey Bot. Club 30: 272 (1903)

Accepted by

  • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
  • Kim, J.S., Hong, J.-K., Chase, M.W., Fay, M.F. & Kim, J.-H. (2013). Familial relationships of the monocot order Liliales based on a molecular phylogenetic analysis using four plastid loci: matK, rbcL, atpB and atpF-H Botanical Journal of the Linnean Society 172: 5-21.

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