Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
Canadian horseweed
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Images:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
See all the Conyza thumbnails at the PLANTS Gallery
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Synonyms:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
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COPA17 |
Conyza parva Cronquist |
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ERCAP2 |
Erigeron canadensis L. var. pusillus (Nutt.) B. Boivin, non H.E. Ahles |
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ERPU12 |
Erigeron pusillus Nutt. |
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LEPU9 |
Leptilon pusillum (Nutt.) Britton |
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Distribution:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
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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, CT, DE, FL, GA, HI, IN, KY, LA, MA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA), USA+ (PR, VI) |
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Related Taxa:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
View
477 genera in Asteraceae,
6 species in Conyza,
3 varieties
in Conyza canadensis (L.) Cronquist
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Classification:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
Click on a scientific name below to expand it in the PLANTS
Classification Report.
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Threatened and Endangered Information:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
This plant is 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 protected plant
list for that location.
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U.S. Weed Information:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
Conyza canadensis
horseweed
horseweed fleabane
mares tail
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.
| KY |
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Haragan, P.D.
1991.
Weeds of Kentucky and adjacent states: a field guide.
The University Press of Kentucky.
Lexington, Kentucky.
278pp.
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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.
397pp.
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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.
589pp.
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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.
630pp.
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Introduced Information:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
This plant is introduced to some part of the PLANTS
Floristic Area, though it may be native in other parts. Click on
link below for a partial or complete list of PFA introduced plants.
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Wetland Indicator Status:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
Conyza canadensis:
| 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 |
| UPL,FAC |
UPL |
FACU |
FAC- |
FACU |
FACU- |
UPL |
FACU |
UPL |
FACU |
FAC |
NO |
FACU |
UPL |
Interpreting Wetland Indicator Status
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More Accounts and Images:
Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
View species account and distribution from USF Atlas of Florida Vascular Plants.
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 527478.
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