Genetic diversity and structure of the endemic Caesalpinia hintonii complex (Leguminosae: Caesalpinioideae) in Mexico S. SotuyoJ. L. ContrerasK. Oyama OriginalPaper 27 May 2004 Pages: 131 - 143
Floral development of Kingdonia (Ranunculaceae s. l., Ranunculales) Yi RenZhi-jun LiAn-min Lu OriginalPaper 27 May 2004 Pages: 145 - 153
Reproductive ecology of the rare clonal cactus Stenocereus eruca in the Sonoran desert R. Clark-TapiaF. Molina-Freaner OriginalPaper 11 June 2004 Pages: 155 - 164
Molecular evidence of hybridisation between the endemic Phoenix canariensis and the widespread P. dactylifera with Random Amplified Polymorphic DNA (RAPD) markers M. A. González-PérezJ. Caujapé-CastellsP. A. Sosa OriginalPaper 11 June 2004 Pages: 165 - 175
Pollen size-number trade-off and pollen-pistil relationships in Pedicularis (Orobanchaceae) C.-F. YangY.-H. Guo OriginalPaper 11 June 2004 Pages: 177 - 185
Genetic differentiation of Calypogeia fissa Raddi (Hepaticae, Jungermanniales) in Poland K. Buczkowska OriginalPaper 11 June 2004 Pages: 187 - 201
A phylogenetic analysis of Apostasioideae (Orchidaceae) based on ITS, trnL-F and matK sequences A. KocyanY.-L. QiuE. Conti OriginalPaper 10 May 2004 Pages: 203 - 213
Floral anatomy of Bromeliaceae, with particular reference to the evolution of epigyny and septal nectaries in commelinid monocots M. G. SajoP. J. RudallC. J. Prychid OriginalPaper 14 June 2004 Pages: 215 - 231
Studies in the tribe Spermacoceae (Rubiaceae-Rubioideae): the circumscriptions of Amphiasma and Pentanopsis and the affinities of Phylohydrax M. ThulinB. Bremer OriginalPaper 11 June 2004 Pages: 233 - 239
Pollination biology and breeding system of Zeyheria montana (Bignoniaceae) N. S. Bittencourt Jr.J. Semir OriginalPaper 27 May 2004 Pages: 241 - 254