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Lactuca canadensis

ClassificationFlowering Plants
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusLactuca
SpeciesLactuca canadensis L.
Common NameWild lettuce
Growth HabitForb
DurationBiennial
Plant Notes**
C value 2
StatusNative, FACU+ (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.

Subspecies and Varieties

Not applicable or data not available.

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

Species Distribution Map

Synonyms

SynonymFull CitationBasionymType
Lactuca canadensis var. canadensis Lactuca canadensis var. canadensis  
Lactuca canadensis var. integrifolia Lactuca canadensis var. integrifolia Farw.  
Lactuca canadensis var. latifolia Lactuca canadensis var. latifolia Kuntze  
Lactuca canadensis var. longifolia Lactuca canadensis var. longifolia (Michx.) Farw.  
Lactuca canadensis var. obovata Lactuca canadensis var. obovata Wiegand  
Lactuca canadensis var. typica Lactuca canadensis var. typica Wiegand  
Lactuca sagittifolia Lactuca sagittifolia Ell.  
Lactuca steelei Lactuca steelei Britton  

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 an accession number to view full details; click on column headers to sort.

Counties included on distribution map: Blackford, Boone, Carroll, Cass, Clay, Clinton, Elkhart, Fayette, Fountain, Franklin, Greene, Hamilton, Henry, Huntington, Jasper, Madison, Marion, Montgomery, Orange, Parke, Putnam, Ripley, Rush, Tippecanoe, Union, Vermillion, Warren

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: 1910 - 2006

Accession No. (click for full details) County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
63563 Tippecanoe 10 Jun 1942 Charles M. Ek
 BUT
Lactuca canadensis L.
64395 Boone 18 Jul 1942 Charles M. Ek
 BUT
Lactuca canadensis L.
63994 Boone 18 Jul 1942 Charles M. Ek
 BUT
Lactuca canadensis L. var. latifolia Kuntze
63993 Boone 18 Jul 1942 Charles M. Ek
 BUT
Lactuca canadensis L. var. latifolia Kuntze
64346 Carroll 22 Jul 1942 Charles M. Ek
 BUT
Lactuca canadensis L.
57824 Cass 23 Jul 1940 Charles M. Ek
 BUT
Lactuca canadensis L.
64155 Elkhart 27 Jul 1942 Charles M. Ek
 BUT
Lactuca canadensis L.
57358 Clinton 27 Aug 1941 Charles M. Ek
 BUT
Lactuca canadensis L. var. canadensis
58157 Jasper 01 Sep 1941 Charles M. Ek
 BUT
Lactuca canadensis L.
58576 Jasper 01 Sep 1941 Charles M. Ek
 BUT
Lactuca canadensis L.
57318 Tippecanoe 17 Sep 1941 Charles M. Ek
 BUT
Lactuca canadensis L. var. canadensis
57319 Tippecanoe 17 Sep 1941 Charles M. Ek
 BUT
Lactuca canadensis L. var. canadensis
57317 Tippecanoe 19 Sep 1941 Charles M. Ek
 BUT
Lactuca canadensis L. var. canadensis
20492 Putnam 01 Sep 1910 Earl J. Grimes
297		 BUT
Lactuca canadensis L.
150446 Warren 26 Jun 1991 Gayle Tonkovich
133		 BUT
Lactuca canadensis L.
92627 Montgomery 26 Jul 1950 Jack McCormick
522		 BUT
Lactuca canadensis L. var. latifolia Kuntze
95058 Fountain 26 Jul 1950 Jack McCormick
527		 BUT
Lactuca canadensis L. var. latifolia Kuntze
94949 Fountain 26 Jul 1950 Jack McCormick
528		 BUT
Lactuca canadensis L. var. latifolia Kuntze
93421 Montgomery 27 Jul 1950 Jack McCormick
530		 BUT
Lactuca canadensis L. var. latifolia Kuntze
92628 Montgomery 30 Jul 1950 Jack McCormick
569		 BUT
Lactuca canadensis L. var. latifolia Kuntze
150448 Parke 05 Jul 1960 Jay
19047		 BUT
Lactuca canadensis L. var. latifolia Kuntze
150449 Parke 05 Jul 1960 Jay
19048		 BUT
Lactuca canadensis L. var. latifolia Kuntze
103888 Madison 13 Jul 1992 P. E. Rothrock
2605		 BUT
Lactuca canadensis L.
150444 Parke 17 Jun 1957 R. A. Laubengaver
19247		 BUT
Lactuca canadensis L.
150445 Parke 17 Jun 1957 R. A. Laubengaver
19248		 BUT
Lactuca canadensis L.
150447 Marion Raelene M. Crandall
 BUT
Lactuca canadensis L.
43930 Ripley 25 Jun 1938 Ray C. Friesner
12289		 BUT
Lactuca canadensis L. var. canadensis
84323 Greene 26 Jun 1948 Ray C. Friesner
22164		 BUT
Lactuca canadensis L. var. latifolia Kuntze
77746 Union 29 Jun 1946 Ray C. Friesner
20640		 BUT
Lactuca canadensis L. var. latifolia Kuntze
84687 Greene 03 Jul 1948 Ray C. Friesner
22215		 BUT
Lactuca canadensis L. var. latifolia Kuntze
84684 Greene 03 Jul 1948 Ray C. Friesner
22218		 BUT
Lactuca canadensis L. var. latifolia Kuntze
84683 Greene 03 Jul 1948 Ray C. Friesner
22219		 BUT
Lactuca canadensis L. var. canadensis
76984 Ripley 06 Jul 1946 Ray C. Friesner
20721		 BUT
Lactuca canadensis L. var. latifolia Kuntze
85993 Warren 09 Jul 1949 Ray C. Friesner
22831		 BUT
Lactuca canadensis L. var. latifolia Kuntze
77872 Orange 13 Jul 1946 Ray C. Friesner
20793		 BUT
Lactuca canadensis L.
73860 Elkhart 14 Jul 1945 Ray C. Friesner
19266		 BUT
Lactuca canadensis L.
93623 Clinton 14 Jul 1951 Ray C. Friesner
24325		 BUT
Lactuca canadensis L.
93613 Clinton 14 Jul 1951 Ray C. Friesner
24325		 BUT
Lactuca canadensis L. var. latifolia Kuntze
13442 Marion 15 Jul 1933 Ray C. Friesner
6018		 BUT
Lactuca canadensis L.
62767 Boone 18 Jul 1942 Ray C. Friesner
17020		 BUT
Lactuca canadensis L.
73437 Blackford 21 Jul 1945 Ray C. Friesner
19282		 BUT
Lactuca canadensis L.
81399 Clay 26 Jul 1947 Ray C. Friesner
21720		 BUT
Lactuca canadensis L. var. latifolia Kuntze
81610 Clay 29 Jul 1947 Ray C. Friesner
21738		 BUT
Lactuca canadensis L.
81611 Clay 29 Jul 1947 Ray C. Friesner
21738		 BUT
Lactuca canadensis L.
81612 Clay 29 Jul 1947 Ray C. Friesner
21738		 BUT
Lactuca canadensis L. var. latifolia Kuntze
84229 Greene 31 Jul 1948 Ray C. Friesner
22354		 BUT
Lactuca canadensis L. var. canadensis
84230 Greene 31 Jul 1948 Ray C. Friesner
22354		 BUT
Lactuca canadensis L. var. canadensis
74206 Vermillion 11 Aug 1945 Ray C. Friesner
19487		 BUT
Lactuca canadensis L.
82022 Hamilton 16 Aug 1947 Ray C. Friesner
21781		 BUT
Lactuca canadensis L. var. latifolia Kuntze
82023 Hamilton 16 Aug 1947 Ray C. Friesner
21781		 BUT
Lactuca canadensis L. var. latifolia Kuntze
82026 Hamilton 16 Aug 1947 Ray C. Friesner
21784		 BUT
Lactuca canadensis L. var. latifolia Kuntze
82027 Hamilton 16 Aug 1947 Ray C. Friesner
21784		 BUT
Lactuca canadensis L. var. latifolia Kuntze
86054 Jasper 03 Sep 1949 Ray C. Friesner
22970		 BUT
Lactuca canadensis L. var. latifolia Kuntze
74429 Henry 08 Sep 1945 Ray C. Friesner
19691		 BUT
Lactuca canadensis L.
73944 Jasper 15 Sep 1945 Ray C. Friesner
19762		 BUT
Lactuca canadensis L. var. latifolia Kuntze
94725 Tippecanoe 17 Sep 1950 Ray C. Friesner
23775		 BUT
Lactuca canadensis L. var. latifolia Kuntze
84456 Huntington 18 Sep 1948 Ray C. Friesner
22511		 BUT
Lactuca canadensis var. obovata Wieg.
82143 Franklin 20 Sep 1947 Ray C. Friesner
21913		 BUT
Lactuca canadensis L. var. latifolia Kuntze
67977 Rush 25 Sep 1943 Ray C. Friesner
18063		 BUT
Lactuca canadensis L. var. latifolia Kuntze
68047 Rush 25 Sep 1943 Ray C. Friesner
18064		 BUT
Lactuca canadensis L.
68137 Fayette 25 Sep 1943 Ray C. Friesner
18108		 BUT
Lactuca canadensis L.
3056 Marion 03 Sep 1927 Stanley A. Cain
 BUT
Lactuca canadensis L.
3057 Marion 03 Sep 1927 Stanley A. Cain
 BUT
Lactuca canadensis L.
155089 Marion 04 Aug 2006 P. A. Scott
2420		 BUT
Lactuca canadensis L.
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