Ambrosia trifida L.Native
Common name(s)giant ragweed
FamilyAsteraceae
Conservation statusNot threatened

Found at the following sites :
Bock-Higgins
Little Calumet River Prairie & Wetlands
Hegewisch Marsh
Munster Heritage Park & Bieker Woods
Hidden Prairie
Bur Oak Woods
Calumet Prairie
Great Marsh North
Samuelson Fen
Roxana Marsh

Present Absent Previous, not current
Plants - See list of all plant species found at NIRMI sites
Fungi - See list of all fungi species found at NIRMI sites

Protected Species Policy
To prevent poaching, NIRMI does not provide the location of any endangered, threatened, or otherwise protected species found within any of our plots. All lists, charts, and calculations (richness, FQI, etc.) therefore exclude these species as well.
If you are conducting research and have a legitimate need for this unfiltered data, please contact us at nirmi (at) iun (dot) edu.

 
NIRMI has been supported by grants from ArcelorMittal, the Flora Richardson Foundation, the Gaylord and Dorothy Donnelley Foundation,
Indiana Dunes National Lakeshore, the Indiana Lake Michigan Coastal Program, Indiana University, and the Lilly Foundation. 		(C)opyright 2010-2025 NIRMI