Heliotropium; minus; angustifolium; arvense; seu hirsutum. Flor.2. 61. Boerh. 2. p. 190. N 7. Echium, scorpioides, arvense. C.B.P. 254. Echium, scorpioides, solisequium, flore minore. J.B. 3. 589. Lithospermum, arvense, minus. T. 137. Scorpioides, tertium, minus. Dodonaei. H.Eyst.Aest. O. 11. F. 1. Fig. 3. Scorpioides tertium. Dod. p. 72. Scorpiurus, annuus, arvensis, hirsutus, caeruleus. M.H. 3. 450.