Try link to:Similars in:
ANDERBERG, A.A., BALDWIN, B.G., BAYER, R.G., BREITWIESER, J., JEFFREY, C., DILLON, M.O., ELDENÄS, P., FUNK, V., GARCIA-JACAS, N., HIND, D.J.N., KARIS, P.O., LACK, H.W., NESOM, G., NORDENSTAM, B., OBERPRIELER, C.H., PANERO, J.L., PUTTOCK, C., ROBINSON, H., STUESSY, T.F., SUSANNA, A., URTUBEY, E., VOGT, R., WARD, J. & WATSON, L.E. 2007. Compositae. In The families and genera of vascular plants (Kubitzki, K., Kadereit, J.W. & Jeffrey, C., eds.). Springer Verlag, Berlin, p.61-576.