First published in Bull. Bot. Res., Harbin 24: 387 (2004)
- Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
Not accepted by
- Osborne, R., Calonje, M.A., Hill, K.D., Stanberg, L. & Stevenson, D.W. (2012). The world list of Cycads Memoirs of the New York Botanical Garden 106: 480-510. [Cited as Cycas hainanensis.]
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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