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Lactuca canadensis L.
CANADA LETTUCE
Life   Plantae   Dicotyledoneae   Asteraceae   Lactuca

Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 6
Lactuca canadensis

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Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 6
Lactuca canadensis
Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 5
Lactuca canadensis
Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 5
Lactuca canadensis
Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 5
Lactuca canadensis

Lactuca canadensis
© Copyright Bobby Hattaway 2011 · 5
Lactuca canadensis
Lactuca canadensis, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, inflorescence - whole - unspecified
Lactuca canadensis, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, inflorescence - frontal view of flower
Lactuca canadensis, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, inflorescence - lateral view of flower

Lactuca canadensis, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, whole plant - in flower - general view
Lactuca canadensis, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, leaf - on upper stem
Lactuca canadensis, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, stem - showing leaf bases
Lactuca canadensis, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, leaf - basal or on lower stem

Lactuca canadensis, leaf - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Lactuca canadensis, leaf - unspecified
Lactuca canadensis
© Copyright Mel Harte 2010 · 3
Lactuca canadensis

Associates · map
FamilyScientific name @ source (records)
Aphididae  Aphis ( @ NCSU_ENT (1)

Uroleucon ( @ NCSU (78); AMNH_PBI (4)
Botryosphaeriaceae  Guignardia depressa @ BPI (1)

Phyllosticta decidua @ BPI (1)
Dermateaceae  Phlyctema arcuata @ BPI (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (1)

Oidium erysiphoides @ BPI (1)

Sphaerotheca castagnei @ BPI (1)
Membracidae  Entylia carinata @ UDCC_TCN (2); NCSU (2)
Mycosphaerellaceae  Didymella subexerta @ BPI (2)

Mycosphaerella lactucae @ BPI (1)

Septoria lactucae @ BPI (7)

Septoria lactucicola @ BPI (11)

Septoria unicolor @ BPI (1)
Peronosporaceae  Bremia lactucae @ BPI (48)
Phaeosphaeriaceae  Leptosphaeria doliolum @ BPI (1)

Ophiobolus @ BPI (1)
Pucciniaceae  Puccinia dioicae @ BPI (7)

Puccinia extensicola @ BPI (8)

Puccinia hieraciata @ BPI (2)

Puccinia obscura @ BPI (1)

Puccinia patruelis @ BPI (3)
Uropyxidaceae  Aecidium compositarum @ BPI (1)
Valsaceae  Asteroma lactucae @ BPI (2)
_  Botryosporium pulchrum @ BPI (1)

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Following modified from Delaware Wildflowers
   Top | See original

Delaware Wildflowers  •  Scientific names

Lactuca canadensis L. ( Lactuca canadensis var. longifolia , Lactuca canadensis var. latifolia , Lactuca canadensis var. obovata ) Canada Lettuce
Asteraceae — Aster family
Native
Lactuca canadensis
Cedar Swamp Wildlife Area
June 2002 Lactuca canadensis
White Clay Creek State Park -- Possum Hill
July 2004 Lactuca canadensis
Linden Hill Road
September 2009

Guide to Lactuca of Delaware

Search Google Delaware USDA

Photos copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=LACA ---> https://plants.usda.gov/java/profile?symbol=LACA
https://plants.usda.gov/java/profile?symbol=LACA ---> http://plants.usda.gov/core/profile?symbol=LACA
http://plants.usda.gov/core/profile?symbol=LACA ---> https://plants.usda.gov/core/profile?symbol=LACA
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You are here: Home / Plant Profile

Lactuca canadensis L.
Canada lettuce

Image of Lactuca canadensis

General Information
Symbol: LACA
Group: Dicot
Family: Asteraceae
Duration: Annual
Biennial
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Lactuca thumbnails at the Plants Gallery

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, MD. Usage Requirements .

©Ted Bodner. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

©Ted Bodner. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

©James H. Miller. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

©Ted Bodner. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory . United States, MD. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 320. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 320. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 319. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
LACAI Lactuca canadensis L. var. integrifolia (Bigelow) Torr. & A. Gray
LACAL Lactuca canadensis L. var. latifolia Kuntze
LACAL2 Lactuca canadensis L. var. longifolia (Michx.) Farw.
LACAO Lactuca canadensis L. var. obovata Wiegand
LACAT Lactuca canadensis L. var. typica Wiegand
LASA4 Lactuca sagittifolia Elliott
LAST8 Lactuca steelei Britton

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Lactuca L. – lettuce
Species Lactuca canadensis L. – Canada lettuce

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (LACA)
Integrated Taxonomic Information System (LACA)
Integrated Taxonomic Information System (LACAI)
Integrated Taxonomic Information System (LACAL)
Integrated Taxonomic Information System (LACAL2)
Integrated Taxonomic Information System (LACAO)
Integrated Taxonomic Information System (LACAT)
Integrated Taxonomic Information System (LASA4)
Integrated Taxonomic Information System (LAST8)
Jepson Interchange (University of California - Berkeley) (LACA)
Lady Bird Johnson Wildflower Center Native Plant Information Network (LACA)
Native American Ethnobotany (University of Michigan - Dearborn) (LACA)
Native Plants Network (LACA)
USF Atlas of Florida Vascular Plants (LACA)
University of Tennessee Herbarium (Distribution) (LACA)
University of Washington Burke Museum (LACA)
University of Wisconsin - Stevens Point Freckmann Herbarium (LACA)
Related Websites
IL-Weeds of the North Central States (LACA)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Miller Minor Minor Minor

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Miller

Sources

Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses . Southern Weed Science Society.

Description of Values

Value Class Food Cover
High Average 25-50% of diet Regular source of cover
Low 5-10% of diet Infrequently used as cover
Minor 2-5% of diet Sparsely used as cover
Moderate Average 10-25% of diet Occasional source of cover


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Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Lactuca+canadensis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Lactuca+canadensis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 36
Query: SELECT * FROM img WHERE ready=1 and taxon like "Lactuca canadensis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Lactuca canadensis
Lactuca canadensis
ID: 0000 0000 0506 2241 [detail]
© 2006 Louis-M. Landry

Lactuca canadensis
Lactuca canadensis
ID: 0000 0000 0506 2242 [detail]
© 2006 Louis-M. Landry

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 0000 0716 0038 [detail]
© 2016 Richard Spellenberg

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 0000 0716 0039 [detail]
© 2016 Richard Spellenberg

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 0000 0716 0040 [detail]
© 2016 Richard Spellenberg

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 0000 0215 0241 [detail]
© 2015 Richard Spellenberg

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 0000 0215 0242 [detail]
© 2015 Richard Spellenberg

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1976 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1977 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1978 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1979 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1980 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1981 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1982 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1983 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1984 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1985 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1986 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1987 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1988 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1989 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1990 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1991 [detail]
© 2016 Keir Morse

Lactuca canadensis
Lactuca canadensis
Canada Lettuce
ID: 0000 1111 1234 1992 [detail]
© 2016 Keir Morse

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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