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This variety is accepted, and its native range is S. Central U.S.A. to Mexico (Chihuahua, Coahuila).

Native to:

Mexico Northeast, New Mexico, Texas

Euphorbia theriaca var. spurca M.C.Johnst. appears in other Kew resources:

First published in Wrightia 5: 138 (1975)

Accepted by

  • Flora of North America Editorial Committee (2016). Flora of North America North of Mexico 12: 1-603. Oxford University Press, New York, Oxford.

Not 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. [Cited as Euphorbia spurca.]

Literature

Kew Backbone Distributions

  • Flora of North America Editorial Committee (2016). Flora of North America North of Mexico 12: 1-603. Oxford University Press, New York, Oxford.

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