Trachelium caeruleum Linnaeus, Species Plantarum 1: 171. 1753.
"Habitat in Italiae umbrosis." RCN: 1348.
Lectotype (Barrie in Jarvis & al., Regnum Veg. 127: 94. 1993): Herb. Clifford: 66, Trachelium 1 (BM-000558076) .
Generitype of Trachelium Linnaeus.
Current name: Trachelium caeruleum L. ( Campanulaceae).