The Abstracts are now available.
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The Report is now available.
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Photographs of Common ragweed (Ambrosia artemisiifolia)

Ambrosia artemisiifolia beginning to bloom
Ambrosia artemisiifolia female flowers
Ambrosia artemisiifolia male flowers
Ambrosia artemisiifolia mature plants
Ambrosia artemisiifolia plant in the field
Ambrosia artemisiifolia plant in flower
Ambrosia artemisiifolia pollen
Ambrosia artemisiifolia seedlings
Ambrosia artemisiifolia seeds
Ambrosia artemisiifolia side sprouts
Ambrosia artemesiifolia road works
Ambrosia artemesiifolia use of gloves