99559C

99559C
Caption: Ragweed pollen (Ambrosia psilostachya). This pollen is an allergen. Note its sharp pollen wall extensions.
Magnification*: x1,200
Type: SEM
Copyright 1999 Dennis Kunkel Microscopy, Inc.
Keywords: 99559C,plants,plant,pollen,ragweed,allergen,anemophily,wind pollination,Ambrosia psilostachya,SEM