Taxon - Links and literature
Kew Science - Plants of the World online 2024-05 [326847-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Cycas L.]
Data retrieved on: 1 February 2025
Novikoff A., Barabasz-Krasny B. (2015): System of Embryophytes [https://phytomorphology.org/personal-inf...], Plant Systematics: 23-63. Liga-Pres [as Cycas L.]Data retrieved on: 3 January 2020
The Interim Register of Marine and Nonmarine Genera [1306649]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Cycas Linnaeus, 1753]
Data retrieved on: 8 December 2019
The Interim Register of Marine and Nonmarine Genera [1039020]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Dyerocycas Nakai, 1943]
Data retrieved on: 5 January 2020