Ambrosia trifida L. var. trifida
great ragweed
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Images:
Ambrosia trifida L. var. trifida
See all the Ambrosia thumbnails at the PLANTS Gallery
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Synonyms:
Ambrosia trifida L. var. trifida
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AMTRI |
Ambrosia trifida L. var. integrifolia (Muhl. ex Willd.) Torr. & A. Gray |
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Distribution:
Ambrosia trifida L. var. trifida
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See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, MB, NB, NS, ON, PE, QC, SK) |
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Related Taxa:
Ambrosia trifida L. var. trifida
View
480 genera in Asteraceae,
25 species in Ambrosia,
2 varieties
in Ambrosia trifida L.
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Classification:
Ambrosia trifida L. var. trifida
Click on a scientific name below to expand it in the PLANTS
Classification Report.
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Noxious Weed Information:
Ambrosia trifida L. var. trifida
The related entities italicized and indented above are listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place
name to get a complete noxious weed list for that location,
or click here for a composite list of all
Federal and State Noxious Weeds.
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U.S. Weed Information:
Ambrosia trifida L. var. trifida
Ambrosia trifida
giant ragweed
great ragweed
horseweed
The related entities italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant
may be known by one or more common names in different
places, and some are listed above. Click on an acronym
to view each weed list, or click here for a
composite list of Weeds of the U.S.
| STATE |
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Assorted authors.
200_.
State noxious weed lists for 46 states.
State agriculture or natural resource departments.
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| N'EAST |
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Uva, R.H., J.C. Neal, & J.M. DiTomaso.
1997.
Weeds of the Northeast.
Cornell University Press.
Ithaca, New York.
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| NE&GP |
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Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick.
1994.
Weeds of Nebraska and the Great Plains.
Nebraska Department of Agriculture, Bureau of Plant Industry.
Lincoln, Nebraska.
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| SWSS |
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Southern Weed Science Society.
1998.
Weeds of the United States and Canada. CD-ROM.
Southern Weed Science Society.
Champaign, Illinois.
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| WSWS |
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Whitson, T.D. (ed.) et al.
1996.
Weeds of the West.
Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming.
Laramie, Wyoming.
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Wetland Indicator Status:
NOTE: On June 1, 2012, the 2012 National Wetland Plant List superseded the information below (see Federal Register, May 9, 2012, 77(90): 27210-27214[https://federalregister.gov/a/2012-11176]). For updated wetland information about this species, see the latest wetland list.
Ambrosia trifida L. var. trifida
Ambrosia trifida:
| Nat. Ind. |
Reg. 1 |
Reg. 2 |
Reg. 3 |
Reg. 4 |
Reg. 5 |
Reg. 6 |
Reg. 7 |
Reg. 8 |
Reg. 9 |
Reg. 0 |
Reg. A |
Reg. C |
Reg. H |
| FAC,FACW |
FAC |
FAC |
FAC+ |
FAC |
FACW |
FAC |
FACW- |
FAC* |
FAC |
FAC |
NO |
NO |
NO |
Interpreting Wetland Indicator Status
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More Accounts and Images:
Ambrosia trifida L. var. trifida
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 182422.
View species account and distribution map from Jepson Interchange (University of California - Berkeley).
View species account from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.
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Related Web Sites:
Ambrosia trifida L. var. trifida
DE-Delaware Cooperative Extension: Weed Control in Corn
FMC Ragweeds Farming Solutions
KY-Agripedia Seed Identification (University of Kentucky)
Rutgers Cooperative Extension: abstract & image
Seedling & leaf images
Virginia: abstract & image
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