1. Urtica californica Greene

    1. This is a synonym of Urtica gracilis Aiton

Urtica californica Greene appears in other Kew resources:

First published in Pittonia 1: 281 (1889)

Not accepted by

  • Henning, T. & al. (2014). Weeding the Nettles II: A delimination of "Urtica dioica L." (Urticaceae) based on morphological and molecular data, including a rehabilitation of Urtica gracilis Ait. Phytotaxa 162: 61-83. [Cited as Urtica gracilis.]
  • Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas. [Cited as Urtica gracilis.]
  • Flora of North America Editorial Committee (1997). Flora of North America North of Mexico 3: 1-590. Oxford University Press, New York, Oxford. [Cited as Urtica dioica subsp. gracilis.]

Sources

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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