Citrus × paradisi Macfad.

POWO follows these authorities in synonymising this name:

• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Citrus × aurantium.]
• Hammel, B.E., Grayum, M.H., Herrera, C. & Zamora, N. (eds.) (2014). Manual de Plantas de Costa Rica 7: 1-840. Missouri Botanical Garden Press, St. Louis. [Cited as Citrus × aurantium.]
• Yamaji, H., Kondo, K., Kuniga, T., Nesumi, H., Yoshida, T., Hashimoto, K. & Takeda, O. (2013). Origin of cultivated Citrus (Rutaceae) documented by the contents of internal transcribed spacer sequences (ITS) in nuclear ribosomal DNA. The Journal of Japanese Botany 88: 222-238. [Cited as Citrus × aurantium.]

This name was accepted following an alternative taxonomy by these authorities:

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. [Cited as Citrus × paradisi.]
• Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers. [Cited as Citrus × paradisi.]
• Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. [Cited as Citrus paradisi.]
• Kokwaro, J.O. (1982). Flora of Tropical East Africa, Rutaceae: 1-52. [Cited as Citrus paradisi.]

Flora of Somalia

• Flora Somalia, Vol 2, (1999) Author: by M. Thulin [updated by M. Thulin 2008]