در متن.Hill KD (1998-2004) The Cycad Pages, Royal Botanic Gardens Sydney. http://plantnet.rbgsyd.nsw.gov.author/PlantNet/cycad/index.htmlSingh, R. , & Radha P. (2006). Cycas annaikalensis, A new species of Cycas from the Malabar Coast, Western Ghats, India. Brittonia 58 (2): 119-123.Virtual Cycad Encyclopedia edited by the Palm & Cycad Societies of FloridaDavid J. de Lauthorbenfels, Cycas Taxonomy...
