giant ragweed
Aster Family
Ambrosia trifida
Asteraceae
--more--
common names
giant ragweed
great ragweed
accepted scientific name
Ambrosia trifida
L.
rules for finding collection records
Ambrosia trifida (4165)
family name
Asteraceae
| Image Author: ©2010 Jean Pawek
Image License: CC BY
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors:
Flower size is about 0.1 inches
Leaf: Opposite
Plant Observed beginning of June thru end of October
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