8708B

8708B
Caption: Ragweed pollen(Ambrosia psilostachya). This pollen is an allergen.
Magnification*: x550
Type: SEM
Copyright 1993 Dennis Kunkel Microscopy, Inc.
Keywords: 8708B,plants,allergen,Ambrosia psilostachya,anemophily,plant,pollen,ragweed,wind pollination,SEM,allergenic pollen