Lactuca canadensis

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:ASTERACEAE
Species:Lactuca canadensis L.
Common Name:Tall Lettuce; Wild Lettuce
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Biennial
Category:Vascular
USDA Symbol:LACA
Plant Notes:Tall Lettuce is a native biennial in the Aster family (Asteraceae). It can be found throughout Alabama. Tall Lettuce occurs on roadsides, in fields and pastures, along streams, and in disturbed sites in forests. It often tends to be somewhat weedy. Tall Lettuce is a biennial from a tap root. During the first year of growth a basal rosette of leaves is formed. In the second year of growth the stems elongates and flowering occurs. Stems are 3-8 feet in height, unbranched below the inflorescence, round in cross section, glabrous, and glabrous. Leaves are alternate, oblong, obovate, lanceolate, or pinnately dissected in outline, with toothed margins. The base of the leaf clasps the stem. The midribs are sparsely pubescent with widely scattered long hairs. Both stems and leaves exude a milky white latex sap when damaged. Flowers are produced in heads. Heads are arranged in corymbiform or paniculate arrays. Flower heads contain 15-20 ray flowers and no disc flowers. The ray flowers are yellow or rarely blueish in color. Flower heads open at night and close before mid-day on hot days. They may remain open all day on cloudy days. The fruit is a beaked achene. The achene body is flattened and dark brown in color. The achene body may be spotted with black. The beak of the achene is filiform and has a crown of white pappus.--A. Diamond
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 Lactuca
Species Lactuca canadensis L. - Tall Lettuce; Wild Lettuce

Citation

Citation Lactuca canadensis Linnaeus, Sp. Pl. 2: 796. 1753.
Basionym: **
Type: CANADA: Without data, Kalm s.n. (lectotype: LINN 950.7). Lectotypified by Fernald, Rhodora 40: 481. 1938.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Cicerbita canadensis Cicerbita canadensis (Linnaeus) Wallroth, Sched. Crit. 434. 1822.Lactuca canadensis Linnaeus 1759. 
Cicerbita elongata Cicerbita elongata (Muhlenberg ex Willdenow) Wallroth, Sched. Crit. 434. 1822.Lactuca elongata Muhlenberg ex Willdenow 1803. 
Lactuca canadensis var. elongata Lactuca canadensis Linnaeus, var. elongata (Muhlenberg ex Willdenow) Farwell, Pap. Michigan Acad. Sci. 2: 46. 1923.Lactuca elongata Muhlenberg ex Willdenow 1803. 
Lactuca canadensis var. integrifolia Lactuca canadensis Linnaeus, var. integrifolia (Torrey & A. Gray) A. Gray, Manual, ed. 5. 281. 1869.Lactuca elongata Muhlenberg ex Willdenow, var. integrifolia Torrey & A. Gray 1843; Lactuca integrifolia Bigelow 1824, non Nuttall 1818. 
Lactuca canadensis var. laciniata Lactuca canadensis Linnaeus, var. laciniata Farwell, Pap. Michigan Acad. Sci. 2: 45. 1923. MICHIGAN
Lactuca canadensis var. montana Lactuca canadensis Linnaeus, var. montana Britton, in Britton & A. Brown, Ill. Fl. N. U.S. 3: 274. 1898. NEW YORK/PENNSYLVANIA:
Lactuca canadensis var. typica Lactuca canadensis Linnaeus, var. typica Wiegand, Rhodora 22: 10. 1920, nom. inadmiss.Lactuca canadensis Linnaeus 1759. 
Lactuca elongata Lactuca elongata Muhlenberg ex Willdenow, Sp. Pl. 3: 1525. 1803. PENNSYLVANIA
Lactuca elongata var. integrifolia Lactuca elongata Muhlenberg ex Willdenow, var. integrifolia Chapman, Fl. South. U.S. 252. 1860, non Torrey & A. Gray 1843. "Florida, and northward",
Lactuca elongata var. integrifolia Lactuca elongata Muhlenberg ex Willdenow, var. integrifolia Torrey & A. Gray, Fl. N. Amer. 2: 496. 1843.Lactuca integrifolia Bigelow 1824, non Nuttall 1818. 
Lactuca elongata var. l ongifolia Lactuca elongata Muhlenberg ex Willdenow, var. l ongifolia (Michaux) Torrey & A. Gray, Fl. N. Amer. 2: 296. 1843.Lactuca longifolia Michaux 1803. 
Lactuca integrifolia Lactuca integrifolia Bigelow, Fl. Boston, ed. 2. 287. 1824, non Nuttall 1818. MASSACHUSETTS
Lactuca longifolia Lactuca longifolia Michaux, Fl. Bor.-Amer. 2: 85. 1803. NORTH CAROLINA:
Lactuca steelei Lactuca steelei Britton, Man. Fl. N. States 899. 1901. MARYLAND: Montgomery Co.: Chevy Chase, 22 Jul 1897, Steele s.n. (holotype: NY; isotype: US).
Lactuca canadensis var. latifolia Lactuca canadensis Linnaeus, var. latifolia Kuntze, Revis. Gen. Pl. 1: 349. 1891.  
Lactuca canadensis var. longifolia Lactuca canadensis Linnaeus, var. longifolia (Michaux) Farwell, Pap. Michigan Acad. Sci. 2: 45. 1923.Lactuca longifolia Michaux 1803. 
Lactuca canadensis var. obovata Lactuca canadensis Linnaeus, var. obovata Wiegand, Rhodora 22: 11. 1920. MASSACHUSETTS: Norfolk Co.: Maugus Hill, Wellesley, 1897, Williams s.n. (holotype: GH).
Lactuca sagittifolia Lactuca sagittifolia Elliott, Sketch Bot. S. Carolina 2: 253. 1823. SOUTH CAROLINA: Richland Co.: Near Columbia,
Mulgedium integrifolium Mulgedium integrifolium Cassini, in Cuvier, Dict. Sci. Nat. 33: 299. 1824, nom. illegit.Lactuca canadensis Linnaeus 1759. 
Sonchus pallidus Sonchus pallidus Willdenow, Sp. Pl. 3: 1521. 1803.Lactuca canadensis Linnaeus 1759. 

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: Baldwin, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Cherokee, Chilton, Choctaw, Clay, Cleburne, Coffee, Colbert, Conecuh, Coosa, Covington, Crenshaw, Cullman, Dale, Dallas, DeKalb, Elmore, Etowah, Fayette, Geneva, Greene, Hale, Houston, Jackson, Lamar, Lawrence, Lee, Limestone, Macon, Madison, Marengo, Marshall, Mobile, Monroe, Montgomery, Morgan, Pickens, Pike, Randolph, Shelby, St. Clair, Talladega, Tallapoosa, Tuscaloosa, Winston

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1878 - 2022

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
USAM000002495 Mobile 22 May 1969 Scott, D.L.
313		 USAM
Lactuca canadensis Linnaeus
JSU115968 Cullman 20 Jun 1975 Whetstone, R. David
4891		 JSU
Lactuca canadensis Linnaeus
AUA000005231 Lee 15 Jul 1970 Hopson, George R.
0089		 AUA
Lactuca Canadensis L.
UNA00047999 Tuscaloosa 27 Jul 1975 Hoener, Fred K.
1272		 UNA
Lactuca canadensis L.
UWAL0035427 Pickens 12 Jul 2017 England, J. Kevin
8091		 UWAL
Lactuca canadensis Linnaeus
UNA00054655 Blount 16 Jun 1998 Keener, Brian R.
980		 UNA
Lactuca canadensis L.
JSU115900 Clay 6 Aug 1982 Whetstone, R. David
11913		 JSU
Lactuca canadensis Linnaeus
AUA000005222 Coosa 10 Sep 1975 Rutland, David W.
1443		 AUA
Lactuca Canadensis L.
UWAL0016377 Covington 10 Jun 2014 Diamond, Alvin R.
25173		 UWAL
Lactuca canadensis Linnaeus
JSU115966 Cleburne 23 Jul 1980 Whetstone, R. David
10161		 JSU
Lactuca canadensis Linnaeus
UWAL0009967 Winston 01 Aug 2009 Spaulding, Daniel D.
13198		 UWAL
Lactuca canadensis L.
JSU115893 Calhoun 15 Jun 1982 Whetstone, R. David
11337		 JSU
Lactuca canadensis Linnaeus
UWAL0016707 Montgomery 01 Jun 2014 Diamond, Alvin R.
25133		 UWAL
Lactuca canadensis Linnaeus
UNA00047990 Tuscaloosa 25 Jul 1965 Deramus, Rebecca
448		 UNA
Lactuca canadensis L. var. obovata Wieg.
UNA00048020 Cullman 23 Jun 1895 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
JSU115981 Cleburne 14 Sep 1982 Bussey, Melanie G.
353		 JSU
Lactuca canadensis Linnaeus
TROY000040687 Covington 10 Jun 2014 Diamond, Alvin R.
25173		 TROY
Lactuca canadensis Linnaeus
AMAL00017306 Baldwin 09 Sep 2009 Barger, T. Wayne
Perd-643		 AMAL
Lactuca canadensis L.
UNA00053871 Blount 07 Jul 1997 Keener, Brian R.
229		 UNA
Lactuca canadensis L.
AUA000005215 Clay 24 Jun 1975 Rutland, David W.
560		 AUA
Lactuca Canadensis L.
UNA00056559 Marshall 12 Jul 1956 Thomas, Joab L.
64		 UNA
Lactuca canadensis L.
JSU115984 Randolph 28 Jul 1988 Nixon, Christopher F.
4091		 JSU
Lactuca canadensis Linnaeus
AUA000005227 Crenshaw 30 Jul 1995 Diamond, Alvin R.
9727		 AUA
Lactuca Canadensis L.
UNA00073946 Mobile 23 Jun 2010 Horne, Howard
1458		 UNA
Lactuca canadensis L.
ALNHS00000861 Monroe 05 Jul 2011 Barger, T. Wayne
RH-252		 ALNHS
Lactuca canadensis L.
TROY000002424 Conecuh 29 Jul 2000 Diamond, Alvin R.
11939		 TROY
Lactuca canadensis Linnaeus
UNA00047993 Cullman s.d. Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
JSU115979 Morgan 5 Aug 1974 Whetstone, R. David
3451		 JSU
Lactuca canadensis Linnaeus
AUA000005230 Geneva 27 Jul 1989 Diamond, Alvin R.
6143		 AUA
Lactuca Canadensis L.
AUA000005209 Chilton 21 Aug 1975 Rutland, David W.
787		 AUA
Lactuca Canadensis L.
UNA00022734 Jackson 26 Jul 1956 Thomas, Joab L.
195		 UNA
Lactuca canadensis L.
JSU115990 Shelby 22 Jul 1982 Whetstone, R. David
11602		 JSU
Lactuca canadensis Linnaeus
AUA000005232 Lee 16 Jun 1960 Jones, Jr., Samuel B.
82		 AUA
Lactuca Canadensis L.
AMAL00022924 Limestone 26 Jul 2015 Spaulding, Daniel D.
14314		 AMAL
Lactuca canadensis L.
JSU115994 Talladega 1 Jul 1993 Ballard, J. Mark
2844		 JSU
Lactuca canadensis Linnaeus
AUA000005219 Conecuh 2 Sep 1995 Diamond, Alvin R.
9887		 AUA
Lactuca Canadensis L.
TROY000039249 Elmore 08 Jun 2014 Diamond, Alvin R.
25159		 TROY
Lactuca canadensis Linnaeus
UNA00047994 Mobile 05 Jul 1896 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
AUA000005213 Choctaw 23 Jun 1994 Crouch, Virginia E.
1070		 AUA
Lactuca Canadensis L.
TROY000015613 Randolph 28 Jul 1988 Nixon, Christopher F.
4108		 TROY
Lactuca canadensis Linnaeus
JSU115983 Randolph 28 Jul 1988 Nixon, Christopher F.
4091		 JSU
Lactuca canadensis Linnaeus
AUA000005234 Madison 18 Jul 1981 Baird, E.
68		 AUA
Lactuca Canadensis L.
UWAL0036641 Mobile 23 Jun 2010 Horne, Howard E.
1458		 UWAL
Lactuca canadensis Linnaeus
UNA00048002 Hale 05 Aug 1966 Maginness, Sherrie E.
358		 UNA
Lactuca canadensis L. var. canadensis
TROY000002426 Crenshaw 16 Jul 2000 Diamond, Alvin R.
11857		 TROY
Lactuca canadensis Linnaeus
UNA00047992 Tuscaloosa _ Oct 1898 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
AUA000005235 Pike 24 Jun 1988 Diamond, Alvin R.
5070		 AUA
Lactuca Canadensis L.
AUA000005221 Coosa 2 Sep 1975 Rutland, David W.
1145		 AUA
Lactuca Canadensis L.
UNA00022401 Marengo 13 Aug 1969 Thomas, Joab L.
2425		 UNA
Lactuca canadensis L. var. canadensis
JSU115989 Shelby 22 Jul 1982 Whetstone, R. David
11602		 JSU
Lactuca canadensis Linnaeus
AUA000005220 Conecuh 8 Jun 1986 Diamond, Alvin R.
2558		 AUA
Lactuca Canadensis L.
AMAL00003169 Calhoun 06 Jun 1989 Spaulding, Daniel D.
209		 AMAL
Lactuca canadensis L.
JSU115993 Talladega 1 Jul 1993 Ballard, J. Mark
2844		 JSU
Lactuca canadensis Linnaeus
AUA000005218 Coffee 2 Aug 1989 Diamond, Alvin R.
6210		 AUA
Lactuca Canadensis L.
UWAL0034402 Dale 26 Jun 1991 Kral, Robert
79190		 UWAL
Lactuca canadensis L.
UNA00058500 Blount 29 Jul 1998 Keener, Brian R.
1340		 UNA
Lactuca canadensis L.
JSU115888 Bibb 31 Jul 1998 Whetstone, R. David
19593		 JSU
Lactuca canadensis Linnaeus
TROY000015612 Randolph 28 Jul 1988 Nixon, Christopher F.
4108		 TROY
Lactuca canadensis Linnaeus
JSU115896 Cherokee 28 Jul 1975 Whetstone, R. David
5301		 JSU
Lactuca canadensis Linnaeus
AMAL00023991 Colbert 08 Jul 2014 England, Kevin J.
FH-447		 AMAL
Lactuca canadensis L.
AUA000005211 Chilton 21 Aug 1975 Rutland, David W.
826		 AUA
Lactuca Canadensis L.
UNA00069006 Cherokee 26 Sep 2007 Barger, T. Wayne
297		 UNA
Lactuca canadensis L.
JSU115986 Randolph 28 Jul 1988 Nixon, Christopher F.
4091		 JSU
Lactuca canadensis Linnaeus
AUA000005228 Crenshaw 31 Jul 1987 Diamond, Alvin R.
3437		 AUA
Lactuca Canadensis L.
TROY000015255 Barbour 03 Jul 2008 Diamond, Alvin R.
19536		 TROY
Lactuca canadensis Linnaeus
ALNHS00004576 Calhoun 06 Apr 2017 Barger, T. Wayne
SP#3014		 ALNHS
Lactuca canadensis L.
JSU115889 Calhoun 2 Aug 1986 Lawler, Carol L.
0133		 JSU
Lactuca canadensis Linnaeus
TROY000002430 Pike 04 Apr 1997 Holmes, Jeanese
280		 TROY
Lactuca canadensis Linnaeus
UWAL0056946 Dallas 10 Jun 2022 England, Kevin J.
13009		 UWAL
Lactuca canadensis L.
JSU115972 Jackson 5 Aug 1975 Whetstone, R. David
5887		 JSU
Lactuca canadensis Linnaeus
AUA000005224 Coosa 10 Sep 1975 Rutland, David W.
1303		 AUA
Lactuca Canadensis L.
AUA000005208 Chilton 21 Aug 1975 Rutland, David W.
812		 AUA
Lactuca Canadensis L.
UNA00048000 Greene 20 Jun 1967 Thomas, Joab L.
T1071		 UNA
Lactuca canadensis L.
JSU115970 DeKalb 23 Jul 1975 Whetstone, R. David
5237		 JSU
Lactuca canadensis Linnaeus
AUA000005239 Tuscaloosa 2 Jul 1960 Jones, Jr., Samuel B.
84		 AUA
Lactuca Canadensis L.
TROY000002427 Dale 01 Oct 1999 Pennington, Tiffany
s.n.		 TROY
Lactuca canadensis Linnaeus
JSU115971 Etowah 19 Jun 1994 Hodge, Lesley M.
2669		 JSU
Lactuca canadensis Linnaeus
AUA000036076 Covington 15 Jul 2011 Hansen, Curtis J.
5152		 AUA
Lactuca Canadensis L.
TROY000015611 Cherokee 04 Aug 1976 Whetstone, R. David
8793		 TROY
Lactuca canadensis Linnaeus
UNA00047991 Mobile 12 Jun 1893 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
JSU115973 Jackson 20 Jun 1998 Brodeur, Kristin R.
825		 JSU
Lactuca canadensis Linnaeus
AMAL00014511 Butler 21 Jul 2007 Diamond, Alvin R.
17748		 AMAL
Lactuca canadensis L.
JSU115976 Marshall 21 Jun 1992 Spaulding, Daniel D.
2088		 JSU
Lactuca canadensis Linnaeus
TROY000042037 Houston 04 Jun 2015 Diamond, Alvin R.
26433		 TROY
Lactuca canadensis Linnaeus
JSU115982 Randolph 15 Jul 1988 Nixon, Christopher F.
4012		 JSU
Lactuca canadensis Linnaeus
JSU115978 Marshall 21 Jul 1975 Whetstone, R. David
5175		 JSU
Lactuca canadensis Linnaeus
AUA000005206 Bibb 29 Jun 1977 Sessler, Ann H.
1672		 AUA
Lactuca Canadensis L.
UNA00047998 Tuscaloosa 29 Oct 1975 Hoener, Fred K.
1324		 UNA
Lactuca canadensis L.
UWAL0049209 Bullock 29 Jul 2016 Horne, Howard E.
3409		 UWAL
Lactuca canadensis Linnaeus
UNA00058414 Blount 25 Jul 1998 Keener, Brian R.
1349		 UNA
Lactuca canadensis L.
JSU115897 Cherokee 7 Sep 1986 Whetstone, R. David
15621		 JSU
Lactuca canadensis Linnaeus
AUA000005216 Cleburne 12 Sep 1975 Rutland, David W.
1752		 AUA
Lactuca Canadensis L.
TROY000037192 Coosa 12 Jun 2013 Diamond, Alvin R.
24211		 TROY
Lactuca canadensis Linnaeus
JSU115980 Blount 13 Jul 1996 Spaulding, Daniel D.
9064		 JSU
Lactuca canadensis Linnaeus
JSU115961 Cleburne 25 Aug 1980 Whetstone, R. David
10247		 JSU
Lactuca canadensis Linnaeus
UWAL0034245 Limestone 26 Jul 2015 Spaulding, Daniel D.
14314		 UWAL
Lactuca canadensis L.
JSU115992 Talladega 1 Jul 1992 Ballard, J. Mark
254		 JSU
Lactuca canadensis Linnaeus
JSU115975 Lawrence 17 Aug 1974 Whetstone, R. David
3820		 JSU
Lactuca canadensis Linnaeus
UWAL0014457 Colbert 08 Jul 2014 England, J. Kevin
5074		 UWAL
Lactuca canadensis Linnaeus
UNA00048004 Mobile 09 May 1964 Deramus, Rebecca
D51		 UNA
Lactuca canadensis L.
JSU115890 Calhoun 26 Jul 1991 Naugher, Rhonda L.
306		 JSU
Lactuca canadensis Linnaeus
TROY000015209 Butler 21 Jul 2007 Diamond, Alvin R.
17748		 TROY
Lactuca canadensis Linnaeus
AUA000005214 Choctaw 23 Jun 1994 Crouch, Virginia E.
1070		 AUA
Lactuca Canadensis L.
JSU115974 Jackson 28 Jul 1975 Whetstone, R. David
5331		 JSU
Lactuca canadensis Linnaeus
TROY000002423 Butler 07 Jul 2001 Diamond, Alvin R.
12491		 TROY
Lactuca canadensis Linnaeus
AUA000005210 Chilton 21 Aug 1975 Rutland, David W.
874		 AUA
Lactuca Canadensis L.
UNA00048007 Marshall 24 Jul 1992 Spaulding, Daniel D.
2438		 UNA
Lactuca canadensis L.
JSU115987 Randolph 15 Jul 1988 Nixon, Christopher F.
4012		 JSU
Lactuca canadensis Linnaeus
JSU115969 Cullman 20 Jun 1975 Whetstone, R. David
4891		 JSU
Lactuca canadensis Linnaeus
AUA000005233 Macon 15 Oct 1976 Sessler, Ann H.
 AUA
Lactuca Canadensis L.
UNA00047997 Tuscaloosa 22 Jun 1974 Hoener, Fred K.
1052		 UNA
Lactuca canadensis L.
UWAL0043268 Baldwin 21 Jun 2004 Larsen, Harry S.
1383		 UWAL
Lactuca canadensis L.
UNA00058547 Blount 18 Jul 1998 Keener, Brian R.
1275		 UNA
Lactuca canadensis L.
JSU115894 Calhoun 6 Sep 1982 Whetstone, R. David
12148		 JSU
Lactuca canadensis Linnaeus
AUA000005217 Cleburne 11 Sep 1975 Rutland, David W.
1625		 AUA
Lactuca Canadensis L.
UWAL0013483 Marengo 19 Jul 2012 England, J. Kevin
3701		 UWAL
Lactuca canadensis Linnaeus
USAM000002496 Fayette 12 Jul 1969 Kral, Robert
35463		 USAM
Lactuca canadensis L.
JSU115962 Cleburne 25 Aug 1980 Whetstone, R. David
10247		 JSU
Lactuca canadensis Linnaeus
UWAL0009968 Winston 01 Aug 2009 Spaulding, Daniel D.
13198		 UWAL
Lactuca canadensis L.
JSU115997 Winston 15 Oct 1975 Whetstone, R. David
7094		 JSU
Lactuca canadensis Linnaeus
UWAL0019797 Houston 04 Jun 2015 Diamond, Alvin R.
26433		 UWAL
Lactuca canadensis Linnaeus
UNA00048003 Mobile 09 May 1964 Deramus, Rebecca
D51		 UNA
Lactuca canadensis L.
JSU115964 Cleburne 14 Sep 1982 Bussey, Melanie G.
353		 JSU
Lactuca canadensis Linnaeus
TROY000024086 Crenshaw 20 Jul 2008 Diamond, Alvin R.
19579		 TROY
Lactuca canadensis Linnaeus
AMAL00018873 Baldwin 20 Apr 2011 Barger, T. Wayne
Perd-707		 AMAL
Lactuca canadensis L.
AMAL00014569 Tallapoosa 21 Jul 2006 Barger, T. Wayne
331		 AMAL
Lactuca canadensis L.
UNA00047996 Tuscaloosa 19 Jul 1878 Smith, Eugene A.
s.n.		 UNA
Lactuca canadensis L.
AUA000005229 Elmore 28 Jul 1975 Rutland, David W.
680		 AUA
Lactuca Canadensis L.
UNA00048006 Barbour 14 Jun 1997 MacDonald, John R.
10675		 UNA
Lactuca canadensis L.
AUA000005238 Talladega 28 Aug 1975 Rutland, David W.
963		 AUA
Lactuca Canadensis L.
UNA00053400 Marshall 19 Jul 1956 Thomas, Joab L.
132		 UNA
Lactuca canadensis L.
JSU115988 Randolph 24 Jun 1986 Nixon, Christopher F.
2271		 JSU
Lactuca canadensis Linnaeus
JSU115977 Marshall 21 Jul 1975 Whetstone, R. David
5194		 JSU
Lactuca canadensis Linnaeus
UWAL0012876 Marengo 31 May 2010 England, J. Kevin
2465		 UWAL
Lactuca canadensis Linnaeus
UNA00048025 St. Clair 24 Jun 1951 Hollis, C.G.
s.n.		 UNA
Lactuca sagittifolia Ell.
TROY000039264 Montgomery 01 Jun 2014 Diamond, Alvin R.
25133		 TROY
Lactuca canadensis Linnaeus
UNA00047995 Mobile _ Jun 1895 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
AUA000005226 Crenshaw 24 Aug 1997 Diamond, Alvin R.
11085		 AUA
Lactuca Canadensis L.
AUA000005223 Coosa 2 Sep 1975 Rutland, David W.
1089		 AUA
Lactuca Canadensis L.
TROY000002429 Dale 14 Aug 1997 Rundell, Hannelore
406		 TROY
Lactuca canadensis Linnaeus
JSU115898 Chilton 22 Jul 1982 Whetstone, R. David
11577		 JSU
Lactuca canadensis Linnaeus
JSU115967 Cleburne 25 Aug 1980 Whetstone, R. David
10337		 JSU
Lactuca canadensis Linnaeus
AMAL00001803 Winston 01 Aug 2009 Spaulding, Daniel D.
13198		 AMAL
Lactuca canadensis L.
JSU115991 Talladega 1 Jul 1992 Ballard, J. Mark
254		 JSU
Lactuca canadensis Linnaeus
JSU115995 Winston 17 Aug 1974 Whetstone, R. David
3839		 JSU
Lactuca canadensis Linnaeus
UWAL0011170 Marengo 12 Jul 2012 England, J. Kevin
3666		 UWAL
Lactuca canadensis Linnaeus
UNA00058655 Lamar 28 Jul 2002 Keener, Brian R.
2312		 UNA
Lactuca canadensis L.
JSU115891 Calhoun 26 Jul 1991 Naugher, Rhonda L.
306		 JSU
Lactuca canadensis Linnaeus
TROY000033600 Barbour 27 Aug 2011 Dykes, Bailee
63		 TROY
Lactuca canadensis Linnaeus
AMAL00022814 Cherokee 29 Jun 2016 Barger, T. Wayne
DLR-167		 AMAL
Lactuca canadensis L.
JSU115895 Calhoun 15 Jul 1969 Cofield, Jan
s.n.		 JSU
Lactuca canadensis Linnaeus
AUA000005207 Calhoun 29 Aug 1975 Rutland, David W.
991		 AUA
Lactuca Canadensis L.
JSU115985 Randolph 28 Jul 1988 Nixon, Christopher F.
4108		 JSU
Lactuca canadensis Linnaeus
AUA000005212 Choctaw 15 Jun 1981 Henderson, T.
177		 AUA
Lactuca Canadensis L.
TROY000002428 Dale 04 Jun 1998 Prazinko, Brian F.
s.n.		 TROY
Lactuca canadensis Linnaeus
AUA000040433 Lee 2 Jun 2018 Taylor, Chris T.
CSP-483		 AUA
Lactuca Canadensis L.
TROY000002431 Pike 13 Jul 1995 Holmes, Jeanese
25		 TROY
Lactuca canadensis Linnaeus
JSU115899 Clay 6 Aug 1982 Whetstone, R. David
11913		 JSU
Lactuca canadensis Linnaeus
AUA000005225 Coosa 10 Sep 1975 Rutland, David W.
1418		 AUA
Lactuca Canadensis L.
UWAL0016701 Elmore 08 Jun 2014 Diamond, Alvin R.
25159		 UWAL
Lactuca canadensis Linnaeus
UNA00048001 Greene 05 Oct 1968 Thomas, Joab L.
1849		 UNA
Lactuca canadensis L.
JSU115965 Cleburne 23 Jul 1980 Whetstone, R. David
10161		 JSU
Lactuca canadensis Linnaeus
UWAL0000767 Crenshaw 20 Jul 2008 Diamond, Alvin R.
19579		 UWAL
Lactuca canadensis L.
JSU115892 Calhoun 15 Jun 1982 Whetstone, R. David
11337		 JSU
Lactuca canadensis Linnaeus
AUA000036083 Covington 15 Jul 2011 Hansen, Curtis J.
5152		 AUA
Lactuca Canadensis L.
UNA00048005 Mobile 15 Jul 1965 Deramus, Rebecca
D572		 UNA
Lactuca canadensis L.
UNA00048021 Cullman 15 Jun 1895 Mohr, Charles
s.n.		 UNA
Lactuca canadensis L.
JSU115963 Cleburne 14 Sep 1982 Bussey, Melanie G.
353		 JSU
Lactuca canadensis Linnaeus
TROY000002425 Crenshaw 09 Jul 2000 Diamond, Alvin R.
11788		 TROY
Lactuca canadensis Linnaeus
AUA000005236 Randolph 17 Aug 1988 Nixon, C.F.
4166		 AUA
Lactuca Canadensis L.
TROY000049533 Winston 01 Aug 2009 Spaulding, Daniel D.
13198		 TROY
Lactuca canadensis Linnaeus
AUA000005237 Shelby 22 Aug 1975 Rutland, David W.
914		 AUA
Lactuca Canadensis L.
UNA00056561 Marshall 01 Aug 1956 Thomas, Joab L.
210		 UNA
Lactuca canadensis L.
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