First published in W.D.J.Koch, Syn. Deut. Schweiz. Fl., ed. 3, 3: 2715, 2967 (1907)
- Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
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