• Mirror of the pollen corona site of Eberhard Tränkle (1937-1997)
• Pictures from pollen coronas in out image archiv
  

The different types of pollen corona:

• Pine tree (Pinus)
• Alder (Alnus)
• Hazel-tree (Corylus)
• Birch-tree (Betula)
• Walnut (Juglans)
• Barley
• Rape
• Spruce-tree