1. Adventive flora of Israel — Phytogeographical, ecological and agricultural aspects

   • Amots Dafni
   • David Heller

   OriginalPaper Pages: 1 - 18

2. Breeding systems in a montane tropical cloud forest in Venezuela

   • Claudia Sobrevila
   • Mary T. Kalin Arroyo

   OriginalPaper Pages: 19 - 37

3. Serologische Untersuchungen zur Gliederung derBrassicaceae

   • Klaus-Peter Kolbe

   OriginalPaper Pages: 39 - 55

4. Revision and affinities ofGalium (Rubiaceae) in Madagascar

   • Christian Puff
   • Diana E. Mantell

   OriginalPaper Pages: 57 - 73

5. DNA sequence organization and RNA complexity inMatthiola incana (Brassicaceae)

   • Wolfgang Wenzel
   • Vera Hemleben

   OriginalPaper Pages: 75 - 86