Ipomoea arenaria (Choisy) Steud.

POWO follows these authorities in synonymising this name:

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. [Cited as Ipomoea steudelii.]
• Austin, D.F. & Huáman, Z. (1996). A synopsis of Ipomoea (Convolvulaceae) in the Americas. Taxon 45: 3-38. [Cited as Ipomoea steudelii.]
• Austin, D.F. (1977 publ. 1978). Realignment of the species placed in Exogonium (Convolvulaceae). Annals of the Missouri Botanical Garden 64: 330-339. [Cited as Ipomoea steudelii.]
• Leon, H. & Alain, H. in Leon, H. (1957). Convolvulaceae. Flora de Cuba 4: 218-248. Cultural S. A., La Habana. [Cited as Ipomoea steudelii.]
• Liogier, A.H. in Liogier, A. H. (1994). Convolvulaceae. La flora de la Española 6: 49-114. Universidad Central del Este. [Cited as Ipomoea steudelii.]

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

• Boldingh, I. in Boldingh, I. (1909). Convolvulaceae. Flora of the Futch West Indian Islands, vol. I: St. Eustatius, Saba, and St. Martin 1: 161-163. E.J. Brill. [Cited as Ipomoea arenaria.]
• Eggers, H.F.A. in Eggers, H.F.A. (1879). Convolvulaceae. The flora of St Croix and the Virgin Islands: 70-73. US Government Printing Office. [Cited as Ipomoea arenaria Steud..]
• Grisebach, A.H.R. in Grisebach, A. H. R. (1862). Convolvulaceae. Flora of the British West Indian Isands: 466-476. Lovell Reeve. [Cited as Ipomoea arenaria Steud..]