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Erigeron canadensis var. canadensis

Family:Asteraceae
Species:Erigeron canadensis L. var. canadensis
Common Name:common horseweed
Habitat:Clearings in forests, open banks of streams, successional fields (where the soils are exposed or thin), cultivated ground, roadsides, disturbed areas, and waste areas.
Associated Ecological Communities:**
Growth Habit:Herbaceous
Duration:Annual
Category:Vascular
Plant Notes:**
Taxonomic Notes:**
Status:Native, S5 (State Rank), CoC: 0
References:**

** Not applicable or data not available.

Classification

SupraordinalEudicots
Order Asterales
FamilyAsteraceae
Genus Erigeron
Species Erigeron canadensis L. var. canadensis - common horseweed

Citation

Citation Erigeron canadensis L. var. canadensis
Basionym: **
Type: **

** Not applicable or data not available.

Source

CountyYearHerbariaNotesSubmission Info
Albany  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Bronx  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Cattaraugus  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Cattaraugus1991 BUF – Herbarium # 77908
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Cattaraugus1960 BUF – Herbarium # 58147
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Cattaraugus1943 BUF – Herbarium # 74834
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Cattaraugus1943 BUF – Herbarium # 74838
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Chemung  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Delaware  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Dutchess  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Erie  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Erie1990 BUF – Herbarium # 73699
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Erie1988 BUF – Herbarium # 67674
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Erie1988 BUF – Herbarium # 68476
Herbarium Name Used: Conyza canadensis var. canadensis
  12/18/2009 - BUF (Ed Fuchs)
Erie1987 BUF – Herbarium # 74835
Herbarium Name Used: Conyza canadensis var. canadensis
  12/18/2009 - BUF (Ed Fuchs)
Erie1999 BUF – Herbarium # 77099
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Erie1942 BUF – Herbarium # 74837
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Erie1930 BUF – Herbarium # 53410
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Erie1924 BUF – Herbarium # 74832
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Essex  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Fulton2007 NYS – 363
Herbarium Name Used: Conyza canadensis var. canadensis
  12/22/2009 - Donna Vogler
Fulton2007 FMCC – 363
Herbarium Name Used: Conyza canadensis var. canadensis
  12/22/2009 - Donna Vogler
Greene  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Hamilton  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Jefferson  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Lewis  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Livingston  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Montgomery2005 NYS
Herbarium Name Used: Conyza canadensis
Town of Amsterdam 8/30/2009 - Connie Tedesco
Montgomery2005 FMCC
Herbarium Name Used: Conyza canadensis
Town of Amsterdam 8/30/2009 - Connie Tedesco
Niagara1976 BUF – Herbarium # 53378
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1895 BUF – Herbarium # 67675
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1895 BUF – Herbarium # 67676
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1884 BUF – Herbarium # 67677
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1986 BUF – Herbarium # 55652
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1986 BUF – Herbarium # 55653
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Niagara1987 BUF – Herbarium # 55838
Herbarium Name Used: Conyza canadensis var. canadensis
  12/18/2009 - BUF (Ed Fuchs)
Niagara1987 BUF – Herbarium # 58353
Herbarium Name Used: Conyza canadensis var. canadensis
  12/18/2009 - BUF (Ed Fuchs)
Oneida  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Onondaga  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Ontario  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Orleans1986 BUF – Herbarium # 74833
Herbarium Name Used: Conyza canadensis
Identification needs confirmation as the submitted data is different than where this record is place in the Atlas 12/18/2009 - BUF (Ed Fuchs)
Oswego  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Oswego2007 RCFS – accession # 13164
Herbarium Name Used: Conyza canadensis var. canadensis
  11/17/2009 - RCFS (Andy Nelson)
Otsego2005 SUCO
Herbarium Name Used: Conyza canadensis
Town of Exeter  
Rensselaer  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Saratoga  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Schoharie  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
St. Lawrence  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Suffolk1992 CONN
Herbarium Name Used: Conyza canadensis
   
Suffolk1975 CONN
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Suffolk  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Suffolk1964 BKL – BKL00080801
Herbarium Name Used: Conyza canadensis var. canadensis
  2/8/2012 - BKL (Steve Glenn)
Suffolk1962 BKL – BKL00080309
Herbarium Name Used: Conyza canadensis var. canadensis
  2/8/2012 - BKL (Steve Glenn)
Ulster  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Washington  NYFA_1990
Herbarium Name Used: none Conyza canadensis var. canadensis
   
Westchester1935 BH
Herbarium Name Used: Erigeron canadensis var. canadensis
Werier (2017) voucher!; G. Voetsch & R.T. Clausen 2009 3/6/2018 - David Werier

Synonyms

SynonymFull CitationBasionymTypeNotes
Conyza canadensis Conyza canadensis (L.) Cronquist   
Conyza canadensis var. glabrata Conyza canadensis (L.) Cronquist var. glabrata (A. Gray) Cronquist   
Leptilon canadense Leptilon canadense (L.) Britton