tall lettuce USDA PLANTS Symbol: LACA
U.S. Nativity: Native
Habit: Forbs/Herbs
Lactuca canadensis L.

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Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae
Synonym(s): Canada lettuce
Native Range: eastern U.S.; HICK

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s);
Mary Ellen (Mel) Harte, , Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Mary Ellen (Mel) Harte, , Bugwood.org
Additional Resolutions & Image Usage

Foliage; Leaf arrangement
John Cardina, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Foliage; leaf attachment
John Cardina, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Foliage; leaf shape
John Cardina, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Feature(s); flower bud
Mary Ellen (Mel) Harte, , Bugwood.org
Additional Resolutions & Image Usage

Flower(s); profile view
Mary Ellen (Mel) Harte, , Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Mary Ellen (Mel) Harte, , Bugwood.org
Additional Resolutions & Image Usage

Plant(s); June. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); June. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
James H. Miller, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s);
Ken Chamberlain, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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Invasive Listing Sources:
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007