Erigeron canadensis

Family:ASTERACEAE
Species:Erigeron canadensis L.
Common Name:Common Horseweed; Mare's Tail; Canadian Horseweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:**
Taxonomic Notes:**
Status:Native, FACU (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Erigeron
Species Erigeron canadensis L. - Common Horseweed; Mare's Tail; Canadian Horseweed

Citation

Citation Erigeron canadensis Linnaeus, Sp. Pl. 863. 1753.
Basionym: **
Type: Without data (lectotype: LINN 994.10). Lectotypified by D'Arcy, in Woodson & Schery, Ann. Missouri Bot. Gard. 62: 1022. 1975.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Aster canadensis Aster canadensis (Linnaeus) E. H. L. Krause, in Sturm, Deutschl. Fl., ed. 2. 13: 59. 1905, non (Linnaeus) Kuntze 1891.Erigeron canadensis Linnaeus 1753. 
Conyza bilbaoana Conyza bilbaoana Remy, in Gay, Fl. Chil. 4: 76. 1849. CHILE
Conyza canadensis var. glabrata Conyza canadensis (Linnaeus) Cronquist, var. glabrata (A. Gray) Cronquist, Bull. Torrey Bot. Club 74: 150. 1947.Erigeron canadensis Linnaeus, var. glabratus A. Gray 1850. 
Conyza myriocephala Conyza myriocephala Remy, in Gay, Fl. Chil. 4: 76. 1849. CHILE
Conyzella canadensis Conyzella canadensis (Linnaeus) Ruprecht, Mém. Acad. Imp. Sci. Saint Petersbourg, ser. 7. 14(4): 51. 1869.Erigeron canadensis Linnaeus 1753. 
Erigeron canadensis var. glabratus   TEXAS: N of the Llano, s.d., Lindheimer 626 (holotype: GH).
Erigeron paniculatus Erigeron paniculatus Lamarck, Fl. Franc. 2: 141. 1779 ("1778"), nom. illegit.Erigeron canadensis Linnaeus 1753. 
Erigeron ruderale Erigeron ruderale Salisbury, Prodr. Stirp. Chap. Allerton 195. 1796, nom. illegit.Erigeron canadensis Linnaeus 1753. 
Erigeron setiferus Erigeron setiferus Post ex Boissier, Diagn. Pl. Orient., Suppl. 289. 1888.  
Marsea canadensis Marsea canadensis (Linnaeus) V. M. Badillo, Bol. Soc. Venez. Ci. Nat. 10: 256. 1946.Marsea canadensis (Linnaeus) V. M. Badillo, Bol. Soc. Venez. Ci. Nat. 10: 256. 1946. 
Tessenia canadensis Tessenia canadensis (Linnaeus) Bubani, Fl. Pyren. 2: 267. 1899.Erigeron canadensis Linnaeus 1753. 
Conyza canadensis Conyza canadensis (L.) Cronquist, Bull. Torrey Bot. Club 70(6): 632. 1943. Without data (lectotype: LINN 994.10). Lectotypified by D'Arcy, in Woodson & Schery, Ann. Missouri Bot. Gard. 62: 1022. 1975.
Leptilon canadense Leptilon canadense (Linnaeus) Britton, in Britton & A. Brown, Ill. Fl. N. U.S. 3: 391. 1898.Erigeron canadensis Linnaeus 1753. 

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; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Autauga, Baldwin, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Cherokee, Chilton, Choctaw, Clarke, Cleburne, Coffee, Colbert, Conecuh, Coosa, Covington, Crenshaw, Cullman, Dale, DeKalb, Elmore, Escambia, Etowah, Fayette, Franklin, Geneva, Greene, Hale, Houston, Jackson, Jefferson, Lawrence, Lee, Lowndes, Macon, Madison, Marengo, Marion, Marshall, Mobile, Monroe, Montgomery, Morgan, Pike, Randolph, Shelby, St. Clair, Sumter, Talladega, Tallapoosa, Tuscaloosa, Walker, Wilcox

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: AMAL, AUA, BRIT, JSU, SAMF, TROY, UNA, USAM, UWAL

Range of years during which specimens were collected: 2011 - 2011

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
JSU106439 Tuscaloosa 16 Oct 1975 R. D. Whetstone
7219
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105973 Bibb 25 Sep 1982 R. D. Whetstone
12555
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105975 Calhoun 09 Sep 1982 R. D. Whetstone
12208
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00058246 Bullock 20 Oct 2001 Alvin R. Diamond
12802
UNA
Conyza canadensis (L.) Cronq.
TROY000001699 Coffee 10 Sep 1999 Brian H. Martin
193
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002451 Cleburne 11 SEP 1975 RUTLAND, DAVID W.
1609
AUA
CONYZA CANADENSIS (L.) CRONQ.
UNA00045612 Sumter 12 Sep 1967 Joab L. Thomas
1209
UNA
Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.
UWAL0035615 Mobile 08 Sep 2013 Horne, Howard E.
2378
UWAL
Erigeron canadensis Linnaeus
AUA000002444 Barbour 15 OCT 1988 DIAMOND, JR., ALVIN R.
5595
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106429 Randolph 17 Aug 1986 C. F. Nixon
2704
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00045608 Autauga 28 Sep 1966 Sidney McDaniel
7758
UNA
Conyza canadensis (L.) Cronq. var. glabrata (Gray) Cronq.
TROY000015129 Walker 02 Oct 2004 Daniel D. Spaulding
12200
TROY
Conyza canadensis (Linnaeus) Cronquist var. canadensis
UNA00024019 Hale 25 Sep 1965 Norris H. Williams
125
UNA
Conyza canadensis (L.) Cronq.
AUA000002470 Lee 12 AUG 1969 MILLER, L. C.
230
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000001694 Bullock 20 Oct 2001 Alvin R. Diamond
12802
TROY
Conyza canadensis (Linnaeus) Cronquist
AMAL00021840 Mobile 01 Sep 2014 Howard E. Horne
2722
AMAL
Conyza canadensis (Linnaeus) Cronquist var. pusilla (Nuttall) Cronquist
UNA00065470 Walker 2 Oct 2004 D. D. Spaulding
12200
UNA
Conyza canadensis (L.) Cronq.
JSU105993 Jefferson 17 Sep 1983 R. D. Whetstone
12506
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000037160 Fayette 16 Aug 2009 Steve Younghance
266
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU146237 Calhoun 30 Oct 1996 F. Hutchinson
2412
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106435 Shelby 10 Sep 1982 R. D. Whetstone
12319
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00054014 Blount 6 Sep 1997 Brian R. Keener
361
UNA
Conyza canadensis (L.) Cronq.
UWAL0000531 Cullman 15 Aug 2008 Keener, Brian R.
4790
UWAL
Erigeron canadensis Linnaeus
JSU105974 Blount 17 Aug 1997 J. M. Ballard
7353
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00048683 Greene 31 Jul 1968 Joab L. Thomas
1768
UNA
Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.
TROY000015131 Chilton 27 Jul 2005 Alvin R. Diamond
15575
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002461 Conecuh 16 SEP 1985 DIAMOND, JR., ALVIN R.
1832
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106432 Randolph 21 Sep 1985 C. F. Nixon
1372
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000042613 Houston 09 Jul 2015 Alvin R. Diamond
26554
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000024975 Escambia 15 AUG 2008 HANSEN, CURTIS J.
3472
AUA
CONYZA CANADENSIS (L.) CRONQ.
UNA00045606 Mobile 15 Jul 1965 Rebecca Deramus
D569
UNA
Conyza canadensis (L.) Cronq.
AUA000002471 Lee 10 JUL 1967 MCCORD, WARREN
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000001696 Butler 26 Aug 2000 Alvin R. Diamond
12021
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU105988 Etowah 06 Aug 1994 L. M. Hodge
2983
JSU
Conyza canadensis (Linnaeus) Cronquist
UWAL0000533 Talladega 19 Oct 2007 Keener, Brian R.
3971
UWAL
Erigeron canadensis Linnaeus
AUA000002453 Cleburne 11 SEP 1975 RUTLAND, DAVID W.
1469
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105990 Jackson 21 Sep 1997 D. D. Spaulding
10019
JSU
Conyza canadensis (Linnaeus) Cronquist
AUA000002447 Chilton 1 OCT 1993 DIAMOND, JR., ALVIN R.
8811
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105996 Lawrence 17 Aug 1974 R. D. Whetstone
3826
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000039566 Elmore 17 Aug 2011 Robert Pullen
199
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU145250 Calhoun 30 Oct 1992 F. Hutchinson
1228
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106434 St. Clair 09 Sep 1983 R. D. Whetstone
13743
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00065777 Pike 21 Sep 2006 Alvin R. Diamond
16912
UNA
Conyza canadensis (L.) Cronq.
TROY000001701 Coffee 13 Sep 2000 Brian H. Martin
961
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002452 Cleburne 12 SEP 1975 RUTLAND, DAVID W.
1718
AUA
CONYZA CANADENSIS (L.) CRONQ.
UNA00022708 Marshall 31 Jul 1956 Joab L. Thomas
203
UNA
Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.
UWAL0035624 Mobile 31 Aug 2013 Horne, Howard E.
2375
UWAL
Erigeron canadensis Linnaeus
AUA000002481 Pike 17 AUG 1988 DIAMOND, JR., ALVIN R.
5357
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106430 Randolph 17 Aug 1988 C. F. Nixon
4161
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00069023 Cherokee 22 Aug 2007 T. Wayne Barger
I-355
UNA
Conyza canadensis (L.) Cronq.
TROY000015130 Autauga 14 Sep 2002 Emily Walker
8
TROY
Conyza canadensis (Linnaeus) Cronquist
UNA00045599 Hale 5 Aug 1966 Norris H. Williams
379
UNA
Conyza canadensis (L.) Cronq.
AUA000002459 Coffee 18 OCT 1975 MADDOX, WILLIAM K.
139
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000001707 Monroe 24 Oct 2006 Alvin R. Diamond
17138
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU105989 Jackson 06 Aug 1998 K. R. Brodeur
1072
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00045613 Tuscaloosa 2 Nov 1974 Fred K. Hoener
1143
UNA
Conyza canadensis (L.) Cronq.
JSU105977 Calhoun 19 Aug 1980 R. D. Whetstone
10200
JSU
Conyza canadensis (Linnaeus) Cronquist
AUA000002480 Montgomery JUL 1904 ANDREWS, ELIZABETH F.
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105997 Marion 04 Oct 1980 R. D. Whetstone
10380
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106421 Monroe 12 Sep 1997 R. D. Whetstone
18437
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001702 Conecuh 29 Jul 2000 Alvin R. Diamond
11941
TROY
Conyza canadensis (Linnaeus) Cronquist
UWAL0010696 Lowndes 26 Nov 2011 Diamond, Alvin R.
22725
UWAL
Erigeron canadensis Linnaeus
JSU105995 Jefferson 05 Oct 1984 J. P. Barber
1116
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00045615 Tuscaloosa 7 Sep 1966 Joab L. Thomas
861
UNA
Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.
TROY000015770 Covington 30 Oct 2008 Alvin R. Diamond
20390
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002482 Tallapoosa 19 OCT 1965 KOELLING, ALFRED C.
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106427 Randolph 28 Jul 1988 C. F. Nixon
4144
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000033531 Barbour 27 Aug 2011 Bailee Dykes
50
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002476 Macon 20 JUL 1971 WISDOM, NALARIA J.
58
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105976 Calhoun 26 Jul 1991 R. L. Naugher
303
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00023526 Mobile 3 Aug 1964 Rebecca Deramus
D 211
UNA
Conyza canadensis (L.) Cronq.
AUA000002460 Coffee 17 SEP 1988 DIAMOND, JR., ALVIN R.
5506
AUA
CONYZA CANADENSIS (L.) CRONQ.
AMAL00017105 Shelby 29 Sep 1999 D. Keener Morrow
805
AMAL
Conyza canadensis (L.) Cronq.
UNA00045614 Tuscaloosa 23 Jul 1974 Fred K. Hoener
1096
UNA
Conyza canadensis (L.) Cronq.
UWAL0033320 Franklin 13 Aug 2016 England, J. Kevin
6739
UWAL
Erigeron canadensis Linnaeus
AUA000002450 Cleburne 12 SEP 1975 RUTLAND, DAVID W.
1799
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000030642 Lee 09 Jul 1963 Ken Rogers
s.n.
TROY
Conyza canadensis (Linnaeus) Cronquist
UWAL0044966 Bullock 20 Jul 2018 Horne, Howard E.
4574
UWAL
Erigeron canadensis Linnaeus
UWAL0019948 Morgan 15 Aug 2015 England, J. Kevin
5597
UWAL
Erigeron canadensis Linnaeus
AUA000002456 Cleburne 12 SEP 1975 RUTLAND, DAVID W.
1777
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000040653 Montgomery 24 Jul 2014 Alvin R. Diamond
25353
TROY
Conyza canadensis (Linnaeus) Cronquist
SAMF0005405 Tuscaloosa 07 Oct 1966 Thomas, [Joab]
861
SAMF
Conyza canadensis (Linnaeus) Cronquist
JSU105980 Choctaw 01 Nov 1997 R. D. Whetstone
19161
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000033723 Coffee 04 Oct 2011 Kayla Counts
41
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002455 Cleburne 11 SEP 1975 RUTLAND, DAVID W.
1566
AUA
CONYZA CANADENSIS (L.) CRONQ.
AUA000002446 Chilton 21 AUG 1975 RUTLAND, DAVID W.
861
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000029840 Baldwin 29 Oct 2007 Terry Wayne Barger
227
TROY
Conyza canadensis (Linnaeus) Cronquist var. pusilla (Nuttall) Cronquist
JSU105979 Calhoun 24 Aug 1982 R. D. Whetstone
11990
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105986 DeKalb 07 Sep 1986 R. D. Whetstone
15597
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105981 Clarke 13 Sep 1997 R. D. Whetstone
18748
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001700 Coffee 08 Oct 1999 Brian H. Martin
302
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002484 Wilcox 2 OCT 1982 GUNN, SCOTT C.
1355
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105978 Calhoun 18 Aug 1969 K. E. Landers
s.n.
JSU
Conyza canadensis (Linnaeus) Cronquist
UWAL0017551 Marengo 08 Jul 2013 England, J. Kevin
4372
UWAL
Erigeron canadensis Linnaeus
AUA000002464 Dale 15 SEP 1991 DIAMOND, JR., ALVIN R.
7716
AUA
CONYZA CANADENSIS (L.) CRONQ.
AUA000002478 Marengo 23 JUL 1972 STREET, JIMMY J.
180
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106433 Randolph 11 Oct 1985 C. F. Nixon
2043
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00045617 Wilcox 2 Oct 1982 S. C. Gunn
1355
UNA
Conyza canadensis (L.) Cronq.
UWAL0031631 Lawrence 16 Aug 2008 England, J. Kevin
0894
UWAL
Erigeron canadensis Linnaeus
AUA000002475 Macon 10 OCT 1971 REYHER, GORDON K.
008
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000038894 Coosa 11 Oct 2013 Alvin R. Diamond
24633
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002472 Lee 10 OCT 1999 HANSEN, CURTIS J.
99-25
AUA
CONYZA CANADENSIS (L.) CRONQ.
AMAL00021272 Colbert 22 Aug 2013 T. Wayne Barger
FH-123
AMAL
Conyza canadensis (Nutt.) Cronq. Var. pusilla (Nutt.) Cronq.
AUA000002466 Geneva 6 OCT 1989 DIAMOND, JR., ALVIN R.
6502
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106437 Talladega 18 Oct 1980 R. D. Whetstone
10398
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001708 Monroe 03 Nov 2005 Alvin R. Diamond
16025
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU106438 Talladega 02 Sep 1983 R. D. Whetstone
13603
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105985 Cullman 11 Aug 1975 R. D. Whetstone
6186
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000043600 Marengo 25 Jul 2011 J. Kevin England
3110
TROY
Conyza canadensis (Linnaeus) Cronquist
UWAL0016764 Montgomery 24 Jul 2014 Diamond, Alvin R.
25353
UWAL
Erigeron canadensis Linnaeus
JSU106436 Talladega 30 Jul 1994 J. M. Ballard
4268
JSU
Conyza canadensis (Linnaeus) Cronquist
UNA00045607 Greene 5 Oct 1968 Joab L. Thomas
1852
UNA
Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.
TROY000014627 Monroe 27 Sep 2007 Alvin R. Diamond
18369
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002469 Houston 24 OCT 1975 RUTLAND, DAVID W.
1850
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106426 Randolph 28 Jul 1988 C. F. Nixon
4144
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000033965 Bullock 06 Oct 2011 Bailee Dykes
195
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000035401 Covington 14 Jul 2011 HANSEN, CURTIS J.
5139
AUA
ERIGERON CANADENSIS L.
UNA00045609 Mobile 15 Jul 1965 Rebecca Deramus
D596
UNA
Conyza canadensis (L.) Cronq.
AUA000002465 Elmore 19 SEP 2000 HANSEN, CURTIS J.
2000-93
AUA
CONYZA CANADENSIS (L.) CRONQ.
UWAL0013309 Fayette 16 Aug 2009 Younghance, Steve
0266
UWAL
Erigeron canadensis Linnaeus
AMAL00013276 Pike 21 Sep 2006 A. R. Diamond
16912
AMAL
Conyza canadensis (L.) Cronq.
JSU105983 Cleburne 11 Sep 1982 Melanie G. Bussey
295
JSU
Conyza canadensis (Linnaeus) Cronquist
USAM000002145 Jackson 29 Aug 1969 Robert Kral
36524
USAM
Erigeron canadensis Linnaeus
BRIT67114 Choctaw 35735 Whetstone, R. D.
19161
BRIT
Conyza canadensis (Linnaeus) Cronquist
AUA000002483 Tallapoosa 22 JUL 1974 HUTTO, T. A.
431
AUA
CONYZA CANADENSIS (L.) CRONQ.
TROY000030199 Jackson 27 Aug 2009 Terry Wayne Barger
312
TROY
Conyza canadensis (Linnaeus) Cronquist
AMAL00021081 Baldwin 08 Jul 2012 Daniel D. Spaulding
13527
AMAL
Conyza canadensis (L.) Cronq. Var. pusillus (Nutt.) Cronquist
UNA00069869 Tuscaloosa 7 Aug 2008 Cherie Bryant Steakley
1390
UNA
Conyza canadensis (L.) Cronq.
TROY000001710 Pike 20 Oct 1995 Jeanese Holmes
82
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002454 Cleburne 11 SEP 1975 RUTLAND, DAVID W.
1627
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105999 Marshall 09 Aug 1992 D. D. Spaulding
2624
JSU
Conyza canadensis (Linnaeus) Cronquist
UWAL0033386 Lawrence 04 Aug 2016 England, J. Kevin
6671
UWAL
Erigeron canadensis Linnaeus
JSU105984 Cullman 20 Jun 1975 R. D. Whetstone
4845
JSU
Conyza canadensis (Linnaeus) Cronquist
AUA000026007 Marengo 8 JUL 2013 ENGLAND, J. KEVIN
4372
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105991 Jackson 05 Aug 1975 R. D. Whetstone
5907
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106422 Monroe 12 Sep 1997 R. D. Whetstone
18469
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001703 Conecuh 30 Sep 2000 Alvin R. Diamond
12148
TROY
Conyza canadensis (Linnaeus) Cronquist
TROY000015128 Randolph 11 Oct 1985 C. F. Nixon
2041
TROY
Conyza canadensis (Linnaeus) Cronquist
JSU105992 Jefferson 05 Oct 1984 J. P. Barber
1210
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000046638 Marengo 08 Jul 2013 J. Kevin England
4372
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002448 Choctaw 21 JUN 1994 CROUCH, VIRGINIA E.
1023
AUA
CONYZA CANADENSIS (L.) CRONQ.
AUA000002477 Macon 15 OCT 1976 SESSLER, ANN H.
BY 609 CLASS
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106431 Randolph 11 Oct 1985 C. F. Nixon
1348
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106424 Calhoun 28 Jul 1986 C. L. Lawler
806
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000033532 Barbour 27 Aug 2011 Bailee Dykes
50
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002457 Coffee 25 JUL 1969 MOORE, HAROLD D.
410-69
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105987 DeKalb 01 Sep 1982 Randall Black
s.n.
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000033043 Crenshaw 12 Jul 2011 Alvin R. Diamond
22349
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002458 Coffee 23 JUL 1989 DIAMOND, JR., ALVIN R.
6051
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106425 Etowah 20 Oct 1983 R. D. Whetstone
13783
JSU
Conyza canadensis (Linnaeus) Cronquist
AUA000002479 Mobile 31 AUG 1960 JONES, JR., SAMUEL B.
284
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU106423 Morgan 07 Aug 1975 R. D. Whetstone
5946
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU106000 Marshall 13 Aug 1975 R. D. Whetstone
6335
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001705 Dale 06 Sep 1999 Brian F. Prazinko
s.n.
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002463 Dale 23 JUL 1989 DIAMOND, JR., ALVIN R.
6073
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105994 Jefferson 22 Aug 1985 J. P. Barber
1663
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001695 Butler 09 Sep 2000 Alvin R. Diamond
12122
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002485 Dale 8 SEP 2000 DALRYMPLE, LARRY W.
AUA
CONYZA CANADENSIS (L.) CRONQ. var. PUSILLA (NUTT.) CRONQ.
AUA000021860 Walker 2 OCT 2004 SPAULDING, DANIEL D.
12200
AUA
CONYZA CANADENSIS (L.) CRONQ. var. CANADENSIS
JSU106428 Randolph 11 Oct 1985 C. F. Nixon
1370
JSU
Conyza canadensis (Linnaeus) Cronquist
JSU105998 Marshall 07 Aug 1992 D. D. Spaulding
2573
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001704 Dale 24 Aug 2000 Tiffany Pennington
844
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002467 Geneva 25 JUL 1969 MOORE, HAROLD D.
413-69
AUA
CONYZA CANADENSIS (L.) CRONQ.
JSU105982 Cleburne 07 Oct 1994 S. E. Hruska
490
JSU
Conyza canadensis (Linnaeus) Cronquist
TROY000001697 Coffee 31 Jul 2000 Brian H. Martin
804
TROY
Conyza canadensis (Linnaeus) Cronquist
AMAL00016916 Mobile 18 Jun 2009 T. Wayne Barger
SP#69
AMAL
Conyza canadensis (L.) Cronq. Var. pusilla (Nutt.) Cronq.
AUA000002462 Crenshaw 30 JUL 1995 DIAMOND, JR., ALVIN R.
9737
AUA
CONYZA CANADENSIS (L.) CRONQ.
AMAL00002831 Madison 08 Aug 1997 Daniel D. Spaulding
9785
AMAL
Conyza canadensis (L.) Cronq. Var. canadensis
UNA00006550 Bibb 11 Sep 1985 Charles N. Horn
855
UNA
Conyza canadensis (L.) Cronq.
TROY000001709 Pike 19 Nov 1999 James A. Hall
73
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002474 Lee 9 JUL 1963 ROGERS, KENNETH E.
AUA
CONYZA CANADENSIS (L.) CRONQ.
UWAL0012860 Marengo 28 Jun 2011 England, J. Kevin
2988
UWAL
Erigeron canadensis Linnaeus
AMAL00011815 Walker 02 Oct 2004 Daniel D. Spaulding
12200
AMAL
Conyza canadensis (L.) Cronq. Var. canadensis
UNA00004660 Bibb 11 Sep 1985 Charles N. Horn
855
UNA
Conyza canadensis (L.) Cronq.
TROY000001706 Dale 30 Sep 1997 Hannelore Rundell
386
TROY
Conyza canadensis (Linnaeus) Cronquist
AUA000002449 Clarke 4 SEP 1971 HENLEY, NANCY S.
016
AUA
CONYZA CANADENSIS (L.) CRONQ.
AUA000002445 Bibb 10 AUG 1976 SESSLER, ANN H.
344
AUA
CONYZA CANADENSIS (L.) CRONQ.
UWAL0013588 Marengo 25 Jul 2011 England, J. Kevin
3110
UWAL
Erigeron canadensis Linnaeus
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