Allozyme variation in the sympatric ferns Culcita macrocarpa and Woodwardia radicans at the northern extreme of their ranges L. G. QuintanillaS. PajarónJ. Amigo OriginalPaper 14 December 2006 Pages: 135 - 144
Genetic population structure in the Mediterranean Serapias vomeracea, a nonrewarding orchid group. Interplay of pollination strategy and stochastic forces? G. PellegrinoA. M. PalermoA. Musacchio OriginalPaper 14 December 2006 Pages: 145 - 157
On flower visitors and true pollinators: The case of protandrous Heracleum sphondylium L. (Apiaceae) Marcin Zych OriginalPaper 22 December 2006 Pages: 159 - 179
Matroclinal inheritance of cuticular waxes in reciprocal hybrids of Rosa species, sect. Caninae (Rosaceae) V. WissemannM. RiedelM. Riederer OriginalPaper 14 December 2006 Pages: 181 - 190
Phantom hitch-hikers mislead estimates of genetic variation in Antarctic mosses M. I. StevensS. A. HungerC. E. C. Gemmill OriginalPaper 14 December 2006 Pages: 191 - 201
Centaurea tchihatcheffii Fischer & C.A. Meyer (Asteraceae) Kit TanM. Vural OriginalPaper 22 December 2006 Pages: 203 - 207
Phylogenetic relationships among Japanese flowering cherries (Prunus subgenus Cerasus) based on nucleotide sequences of chloroplast DNA S. OhtaT. YamamotoM. Omura OriginalPaper 14 December 2006 Pages: 209 - 225
Relations between submarginal and marginal sori in ferns IV. The sori of Osmunda and selected Schizaeaceae and their morphological relations A. Schölch OriginalPaper 14 December 2006 Pages: 227 - 251
Phylogeny of Bonatea (Orchidaceae: Habenariinae) based on molecular and morphological data M. E. PonsieA. MitchellS. D. Johnson OriginalPaper 14 December 2006 Pages: 253 - 268