Convolvulus nil Linnaeus, Species Plantarum, ed. 2, 1: 219. 1762.

"Habitat in America." RCN: 1225.

Lectotype (Verdcourt in Taxon 6: 232-233. 1957): [icon] " Convolvulus caeruleus, hederaceo folio, magis anguloso " in Dillenius, Hort. Eltham. 1: 96, t. 80, f 91. 1732.

Current name: Ipomoea nil (L.) Roth ( Convolvulaceae).