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This species is accepted, and its native range is Arizona to Texas and NE. Mexico.
A specimen from Kew's Herbarium

Native to:

Arizona, Mexico Northeast, New Mexico, Texas

Euphorbia chaetocalyx (Boiss.) Tidestr. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2012 Wright, C. [660], USA K001080402 syntype
Jan 1, 2012 Wooton, E.O. [611], New Mexico K001080401
Jan 1, 2012 Wright, C. [660], USA K001080400 syntype
Jan 1, 2012 Wright, C. [1847], New Mexico K001080405 isotype
Jan 1, 2012 Wright, C. [1847], New Mexico K001080406 isotype
Reverchon, J. [2478], Texas K001080404
Wilson, N.C. [s.n.], Arizona K001080403

First published in Proc. Biol. Soc. Washington 48: 40 (1935)

Accepted by

  • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Yang, Y., Riina, R., Morawetz, J.J., Haevermans, T., Aubriot, X. & Berry, P.E. (2012). Molecular phylogenetics and classification of Euphorbia subgenus Chamaesyce (Euphorbiaceae) Taxon 61: 764-789.

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