Convolvulus arvensis var. linearifolius Choisy

POWO follows these authorities in synonymising this name:

• Fang, R.-Z. & Staples, G. (1995). Convolvulaceae. Flora of China 16: 271-325. Missouri Botanical Garden Press, St. Louis. [Cited as Convolvulus arvensis.]
• Parris, B.S. & R. Brummitt in Davis, P.H. (ed.) (1978). Convolvulaceae. Flora of Turkey and the East Aegean Islands 6: 197-222. Edinburgh University Press, Edinburgh. [Cited as Convolvulus arvensis.]
• Wood, J.R.I., Williams, B.R.M., Mitchell, T.C., Carine, M.A., Harris, D.J. & Scotland, R.W. (2015). A foundation monograph of Convolvulus (Convolvulaceae). PhytoKeys 51: 1-282. [Cited as Convolvulus arvensis.]

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

• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Convolvulus arvensis var. linearifolius.]
• Meikle, R.D. (1985). Flora Cyprus CNV. Flora of Cyprus 2: 1166-1179. The Bentham-Moxon Trust Royal Botanic Gardens, Kew. [Cited as Convolvulus arvensis var. linearifolius.]
• Sa'ad, F. (1967). The Convolvulus species of the Canary Islands, the Mediterranean region and the Near and Middle East. Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht 281: 1-288. [Cited as Convolvulus arvensis var. linearifolius.]
• Turland, N.J. in Press, J.R. & Short, M.J. (eds.) (1994). Convolvulaceae. Flora of Madeira: 266-271. HMSO. [Cited as Convolvulus arvensis var. linearifolius.]