Conyza canadensis var. canadensis

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusConyza
Species:
Infraspecies:Conyza canadensis (L.) Cronquist var. canadensis
Common NameBarrilla; Canadian Horseweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaflet Margins: ciliate; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: White; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Inflorescence Types: head; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value 0
StatusNative; TN[SNR] KY[SNR] (State Rank); G5T5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Erigeron canadensis Erigeron canadensis L.
Leptilon canadense Leptilon canadense (L.) Britt.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Ballard (KY), Barren (KY), Bullitt (KY), Butler (KY), Caldwell (KY), Carter (KY), Christian (KY), Cumberland (KY), Edmonson (KY), Fayette (KY), Franklin (KY), Fulton (KY), Hardin (KY), Hickman (KY), Jefferson (KY), Jessamine (KY), Larue (KY), Livingston (KY), Lyon (KY), McCreary (KY), Martin (KY), Meade (KY), Oldham (KY), Owen (KY), Simpson (KY), Todd (KY), Trigg (KY), Trimble (KY), Warren (KY), Benton (TN), Cumberland (TN), Davidson (TN), Decatur (TN), DeKalb (TN), Fentress (TN), Franklin (TN), Giles (TN), Grainger (TN), Greene (TN), Grundy (TN), Hardeman (TN), Henry (TN), Houston (TN), Humphreys (TN), Knox (TN), Lake (TN), Maury (TN), Montgomery (TN), Perry (TN), Polk (TN), Rutherford (TN), Shelby (TN), Stewart (TN), Tipton (TN), Warren (TN), Washington (TN), Weakley (TN)

Herbaria represented by specimen data listed below: APSC, ETSU, HTTU, MEM, MTSU, TENN, UCHT, UTM

Range of years during which specimens were collected: 1898 - 2001

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
ETSU008015 Washington Tennessee
ETSU
Erigeron canadensis
TENN-V-0224865 Grundy Tennessee
TENN
Erigeron canadensis
TENN-V-0224859 Fentress Tennessee
TENN
Erigeron canadensis
TENN-V-0224864 Greene Tennessee
TENN
Erigeron canadensis
TENN-V-0224863 Grainger Tennessee
TENN
Erigeron canadensis
TENN-V-0224855 Decatur Tennessee
TENN
Erigeron canadensis
TENN-V-0224857 DeKalb Tennessee
TENN
Erigeron canadensis
TENN-V-0224861 Giles Tennessee
TENN
Erigeron canadensis
TENN-V-0224856 DeKalb Tennessee
TENN
Erigeron canadensis
TENN-V-0224862 Giles Tennessee
TENN
Erigeron canadensis
TENN-V-0224860 Franklin Tennessee
TENN
Erigeron canadensis
TENN-V-0224858 Fentress Tennessee
TENN
Erigeron canadensis
APSC0112386 Warren Tennessee
APSC
Erigeron canadensis
APSC0121064 Edmonson Kentucky
APSC
Erigeron canadensis
APSC0026943 Trigg Kentucky
APSC
Erigeron canadensis
APSC0026949 Hickman Kentucky
APSC
Erigeron canadensis
APSC0119422 Ballard Kentucky
APSC
Erigeron canadensis
APSC0103091 DeKalb Tennessee
APSC
Erigeron canadensis
APSC0119416 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0026955 Todd Kentucky 28 Aug 1968 Edward Chester
APSC
Erigeron canadensis
APSC0119412 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0026948 Cumberland Kentucky
APSC
Erigeron canadensis
APSC0078625 Franklin Kentucky
APSC
Erigeron canadensis
APSC0087311 Caldwell Kentucky 30 Aug 1968 Harry Woodward
APSC
Erigeron canadensis
APSC0078628 Franklin Kentucky
APSC
Erigeron canadensis
APSC0121066 Edmonson Kentucky
APSC
Erigeron canadensis
APSC0079297 Bullitt Kentucky
APSC
Erigeron canadensis
APSC0026963 Humphreys Tennessee
APSC
Erigeron canadensis
APSC0026975 Montgomery Tennessee
APSC
Erigeron canadensis
APSC0026970 Stewart Tennessee
APSC
Erigeron canadensis
APSC0026936 Stewart Tennessee
APSC
Erigeron canadensis
APSC0026957 Montgomery Tennessee
APSC
Erigeron canadensis
APSC0119417 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0098032 Hardeman Tennessee
APSC
Erigeron canadensis
APSC0026941 Stewart Tennessee
APSC
Erigeron canadensis
APSC0055621 Cumberland Tennessee
APSC
Erigeron canadensis
APSC0090151 Trimble Kentucky
APSC
Erigeron canadensis
APSC0090105 Caldwell Kentucky
APSC
Erigeron canadensis
APSC0026969 Stewart Tennessee
APSC
Erigeron canadensis
APSC0026967 Houston Tennessee
APSC
Erigeron canadensis
APSC0026968 Stewart Tennessee
APSC
Erigeron canadensis
APSC0026962 Christian Kentucky 19 Aug 1994 Sallie Noel
APSC
Erigeron canadensis
APSC0121063 Barren Kentucky
APSC
Erigeron canadensis
APSC0090142 Hardin Kentucky
APSC
Erigeron canadensis
APSC0026971 Montgomery Tennessee
APSC
Erigeron canadensis
APSC0119414 Owen Kentucky
APSC
Erigeron canadensis
APSC0079953 Fayette Kentucky 06 Sep 1983 Hal Bryant
APSC
Erigeron canadensis
MTSU021736 Maury Tennessee 27 Apr 2001 Jeremy K. Spiess
MTSU
Erigeron canadensis
MEM001029 Jessamine Kentucky 07 Sep 1963 Elizabeth M. Browne, Edward T. Browne Jr.
8026
MEM
Erigeron canadensis
APSC0045645 Montgomery Tennessee
APSC
Erigeron canadensis
APSC0026966 Henry Tennessee
APSC
Erigeron canadensis
HTTU003087 Tennessee
HTTU
Erigeron canadensis
APSC0078626 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0026973 Montgomery Tennessee
APSC
Erigeron canadensis
UTM01978 Weakley Tennessee
UTM
Erigeron canadensis
UTM01977 Lake Tennessee
UTM
Erigeron canadensis
UTM01976 Weakley Tennessee
UTM
Erigeron canadensis
UTM01980 Weakley Tennessee
UTM
Erigeron canadensis
UTM01979 Weakley Tennessee
UTM
Erigeron canadensis
MEM007175 Fulton Kentucky 12 Sep 1973 Elizabeth M. Browne, Edward T. Browne Jr.
73F3.1
MEM
Erigeron canadensis
MEM009801 Shelby Tennessee 30 Jul 1971 John E. Thompson Jr.
342
MEM
Erigeron canadensis
MEM007724 Shelby Tennessee 24 Sep 1967 Elizabeth M. Browne, Edward T. Browne Jr.
T-76
MEM
Erigeron canadensis
MEM013441 McCreary Kentucky 20 Aug 1972 Elizabeth M. Browne, Edward T. Browne Jr.
72H20.4
MEM
Erigeron canadensis
APSC0119419 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0121067 Butler Kentucky
APSC
Erigeron canadensis
APSC0026964 Montgomery Tennessee
APSC
Erigeron canadensis
APSC0121065 Simpson Kentucky
APSC
Erigeron canadensis
APSC0119413 Meade Kentucky
APSC
Erigeron canadensis
MTSU021796 Davidson Tennessee 26 Sep 2001 Angela Cathey
MTSU
Erigeron canadensis
APSC0026965 Benton Tennessee
APSC
Erigeron canadensis
APSC0026935 Trigg Kentucky
APSC
Erigeron canadensis
HTTU003086 DeKalb Tennessee
HTTU
Erigeron canadensis
HTTU003084 Tennessee
HTTU
Erigeron canadensis
UCHT028620 Polk Tennessee
UCHT
Erigeron canadensis
N/A Knox Tennessee A. Ruth
691
UCHT
Leptilon canadense
APSC0119423 Livingston Kentucky
APSC
Erigeron canadensis
APSC0102058 Carter Kentucky
APSC
Erigeron canadensis
APSC0119418 Jefferson Kentucky
APSC
Erigeron canadensis
APSC0026947 Cumberland Kentucky
APSC
Erigeron canadensis
APSC0026938 Lyon Kentucky
APSC
Erigeron canadensis
APSC0119410 Meade Kentucky
APSC
Erigeron canadensis
APSC0074100 Warren Kentucky
APSC
Erigeron canadensis
APSC0026972 Stewart Tennessee
APSC
Erigeron canadensis
APSC0026976 Knox Tennessee
APSC
Erigeron canadensis
APSC0026937 Trigg Kentucky
APSC
Erigeron canadensis
APSC0026940 Lyon Kentucky
APSC
Erigeron canadensis
MTSU021737 Rutherford Tennessee 21 Apr 1991 Gina Rigney
MTSU
Erigeron canadensis
MEM004370 Ballard Kentucky 01 Sep 1969 Raymond Athey
797
MEM
Erigeron canadensis
N/A Knox Tennessee A. Ruth
691
UCHT
Leptilon canadense
APSC0026956 Todd Kentucky 10 Sep 1980 Edward Chester
APSC
Erigeron canadensis
APSC0119415 Oldham Kentucky
APSC
Erigeron canadensis
APSC0026942 Stewart Tennessee
APSC
Erigeron canadensis
APSC0090094 McCreary Kentucky
APSC
Erigeron canadensis
APSC0050890 Larue Kentucky
APSC
Erigeron canadensis
N/A Franklin Tennessee 10 Sep 1898 H. Eggert
UCHT
Leptilon canadense
MEM010945 Tipton Tennessee 28 Jul 1968 Sarah J. Warrington
238
MEM
Erigeron canadensis
MEM003425 Martin Kentucky 14 Aug 1964 Elizabeth M. Browne, Edward T. Browne Jr.
9309
MEM
Erigeron canadensis
MEM004305 Perry Tennessee 15 Sep 1967 Elizabeth M. Browne, Edward T. Browne Jr.
T-56
MEM
Erigeron canadensis
First Page Previous Page Next Page Last Page
Records per Page:

Plant Photos