David E. Symon Abstract Some reflections on the origin of exotics in South Australia will be presented. The European tradition of sending out plant explorers will be touched upon and the success of Australian collections in the Mediterranean of agricultural plants will be noted. The specific need for trees on the Adelaide plains will be…

Read More

David E. Symon – State Herbarium of South Australia The genus Pyrus stretches from north Africa through southern Eurasia to Japan. It does not extend to the Scandinavian or Siberian levels nor to India and S. E. Asia.  This suggests it likes some cold in its life.  Virtually all species are small or large deciduous…

Read More