Carduus cyanoides Linnaeus var. polyclonos Linnaeus, Species Plantarum 2: 822. 1753.
RCN: 5954.
Type not designated.
Original material: Herb. Linn. No. 966.12 (LINN); [icon] in Gmelin, Fl. Sibirica 2: 44, t. 16. 1752.
Current name: Jurinea polyclonos (L.) DC. ( Asteraceae).