High paraphyly of Swertia L. (Gentianaceae) in the Gentianella-lineage as revealed by nuclear and chloroplast DNA sequence variation P. ChassotS. NemomissaP. Küpfer Pages: 1 - 21
Systematics of the Dactylorhiza euxina/incarnata/maculata polyploid complex (Orchidaceae) in Turkey: evidence from allozyme data M. Hedrén Pages: 23 - 44
Isozyme evidence of the parental origin and possible fertility of the hybrid Potamogeton×fluitans Roth J. B. FantC. D. PrestonJ. A. Barrett Pages: 45 - 57
Hekistocarpa (Rubiaceae): a member of an emended tribe Virectarieae S. DesseinL. AnderssonE. Smets Pages: 59 - 78
Reproductive biology of Colletia spinosissima (Rhamnaceae) in Argentina D. MedanA. M. Basilio Pages: 79 - 89
Molecular taxonomy of Vicia ser. Vicia based on Amplified Fragment Length Polymorphisms M. van de WouwN. MaxtedB. V. Ford-Lloyd Pages: 91 - 105
Phylogenetic position and taxonomic status of the genus Aegialitis and subfamilies Staticoideae and Plumbaginoideae (Plumbaginaceae): evidence from plastid DNA sequences and morphology Mª. D. LledóP. O. KarisM. W. Chase Pages: 107 - 124
Nuclear DNA contents of all species of Helleborus (Ranunculaceae) discriminate between species and sectional divisions B. J. M. Zonneveld Pages: 125 - 130