TY - JOUR T1 - Phylogenetic reconstruction of the evolution of stylar polymorphisms in Narcissus (Amaryllidaceae) JF - American Journal of Botany Y1 - 2004 DO - 10.3732/ajb.91.7.1007 A1 - Graham, S. W. A1 - Barrett, S. C. H. SP - 1007 EP - 1021 VL - 91 IS - 7 JO - American Journal of Botany ER -