99556D

99556D
Caption: Ragweed (Ambrosia psilostachya) pollen. This pollen is an allergen.
Magnification*: x340
Type: SEM
Copyright 2000 Dennis Kunkel Microscopy, Inc.
Keywords: plants,plant,pollen,ragweed,allergen,anemophily,wind pollination,Ambrosia psilostachya,SEM,allergenic pollen,10.01.09,99556D