99556A

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