Heenan, P.B.; de Lange, P.J.; Cameron, E.K.; Champion, P.D. 2002: Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additional records 1999–2000. New Zealand Journal of Botany 40(2): 155–174.
Lamarck, J.B.A.P. de 1789: Encyclopedie Methodique. Botanique. Supplement 3. Paris.
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Wood, J.R.; Williams, B.R.; Mitchell, T.C.; Carine, M.A.; Harris, D.J.; Scotland, R.W. 2015: A foundation monograph of Convolvulus L. (Convolvulaceae). PhytoKeys 18(51): 1–282.