1. Optimization theory in plant evolution: An overview of long-term evolutionary prospects in the angiosperms

   • Antonio C. Allem

   OriginalPaper Pages: 225 - 251

2. Vegetation ecology and conservation on Tuscan ultramafic soils

   • Alessandro Chiarucci

   OriginalPaper Pages: 252 - 268

3. A review of the Temperate Broad-Leaved Evergreen Forest zone of southeastern North America: Floristic affinities and arborescent vegetation types

   • Andrew M. Greller

   OriginalPaper Pages: 269 - 299

4. Allelopathic evidence in the Poaceae

   • A. M. Sánchez-Moreiras
   • O. A. Weiss
   • M. J. Reigosa-Roger

   OriginalPaper Pages: 300 - 319