The families and genera of vascular plants. IV, Flowering plants, Monocotyledons. Alismatanae and Commelinanae (except Gramineae) / volume editor: K. Kubitzki in collaboration with H. Huber, P.J. Rudall, P.S. Stevens, and T. Stützel ; edited by K. Kubitzki.    Berlin ; Heidelberg : Springer, 1998 . x, 511 stran