山羊百科，林文智老師的植物、山岳、攝影紀錄

• Checklist of Plants of India；CYCAS L., Sp. Pl. 1188. 1753；https://efloraindia.bsi.gov.in/eFlora/speciesList_PCL.action?resultType=genusWise&parent_Id=41991&parent_Name=cycas

Part III

• Chang, J.-T, Chao, C.-T, Nakamura, K, Liu, H.-L, Luo, M.-X. and Liao, P.-C. 2022 Divergence With Gene Flow and Contrasting Population Size Blur the Species Boundary in Cycas Sect. Asiorientales, as Inferred From Morphology and RAD-Seq Data Front. Plant Sci. 13:824158

1. Smitinand, Tem 1971 The genus Cycas linn. (Cycadaceae) in Thailand Nat. Hist. Bull. Siam Soc. 24: 163-175

• K. D. Hill and S.-L. Yang 1999 The Genus Cycas (Cycadaceae) in Thailand Brittonia Vol. 51, No. 1 48-73