Lithospermum arvense L. [ Rhytispermum arvense (L.) Link]
no HD illustration available (m1)
Lithospermum arvense L. [] [Boraginaceae]
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 8(1): fasicle 19, (Labiatae; Scrophularinae; Gesneraceae): t. 10 (1857)