6 428431 Exaculum pusillum (Lam.) Caruel [125 459620 Gentiana pusilla Lam.]
T.F.L. Nees von Esenbeck, F.KL. Spenner, A. Putterlick, J.X.R. Caspary, Gen. Fl. Germ., vol. 6 fasicle 25, (Conspectus): (1849)