First published in Lustgården 42: 114 (1961)
- Stace, C.A., Preston, C.D. & Pearman, D.A. (2015). Hybrid flora of the British isles: 1-501. Botanical Society of Britain and Ireland.
Not accepted by
- Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325. [Cited as G. ibericum × G. platypetalum.]
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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