Evolvulus alsinoides var. debilis (Kunth) Ooststr.

POWO follows these authorities in synonymising this name:

• Austin, D. F. (1982). Flora of Ecuador 15: 3-99. Botanical Institute, University of Göteborg, Riksmuseum, Stockholm. [Cited as Evolvulus alsinoides.]
• Austin, D.F. in Lasser, T. (1982). Convolvulaceae. Flora de Venezuela 8(3): 15-226. Fundación Educación Ambiental. [Cited as Evolvulus alsinoides.]
• Austin, D.F. in Steyermark, J., Berry, P.E., Holts, B.K. (eds). (1998). Convolvulaceae. Flora of the Venezuelan Guayana 4: 377-424. Missouri Botanical Garden, St. Louis. [Cited as Evolvulus alsinoides.]
• Shinners, L. in Correll, D.S. & M.C Johnston (1970). Convolvulaceae. Manual of the vascular plants of Texas: 1241-1261. Texas Research Foundation. [Cited as Evolvulus alsinoides var. hirticaulis.]

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

• Adams, C.D. in Adams, C.D. (1972). Flowering Plants of Jamaica: 601-614. University of the West Indies, Mona. [Cited as Evolvulus alsinoides var. debilis.]
• Leon, H. & Alain, H. in Leon, H. (1957). Convolvulaceae. Flora de Cuba 4: 218-248. Cultural S. A., La Habana. [Cited as Evolvulus alsinoides var. debilis.]
• Liogier, A.H. in Liogier, A. H. (1994). Convolvulaceae. La flora de la Española 6: 49-114. Universidad Central del Este. [Cited as Evolvulus alsinoides var. debilis cultivated on Hispaniola as an ornamental.]
• Liogier, H.A. & L.F. Martorell in Liogier, H.A. & Martorell, L.F. (2000). Convolvulaceae. Flora of Puerto Rico and Adjacent Islands: a Systematic Synopsis: 162-167. Editorial de la Universidad de Puerto Rico, San Juan. [Cited as Evolvulus alsinoides var. debilis.]
• Van Ooststroom, S.J. (1934). A monograph of the genus Evolvulus. Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht 14: 1-267. [Cited as Evolvulus alsinoides var. debilis.]