Asteraceae
Canada lettuce
Lactuca canadensis
- Family
- Asteraceae
- Genus
- Lactuca
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Common names
By language (6)
- Arabic
- خس كندي
- arz
- خس كندى
- Azerbaijani
- Kanada kahısı
- chy
- Hémotséhnó'êstse
- English
- Canada lettuce
- Persian
- کاهوی کانادایی
Synonyms
- Cicerbita canadensis (L.) Wallr.
- Cicerbita elongata (Muhl. ex Willd.) Wallr.
- Galathenium elongatum (Muhl. ex Willd.) Nutt.
- Galathenium integrifolium Nutt.
- Galathenium salicifolium Nutt.
- Lactuca canadensis f. canadensis
- Lactuca canadensis var. canadensis
- Lactuca canadensis var. integrifolia (Torr. & A.Gray) Farw.
- Lactuca canadensis var. latifolia Kuntze
- Lactuca canadensis var. longifolia (Michx.) Farw.
- Lactuca canadensis var. obovata Wiegand
- Lactuca canadensis var. typica Wiegand
- Lactuca elongata Muhl. ex Willd.
- Lactuca elongata var. integrifolia Torr. & A.Gray
- Lactuca elongata var. longifolia (Michx.) Torr. & A.Gray
- Lactuca integrifolia Bigelow
- Lactuca longifolia Michx.
- Lactuca polyphylla Rydb.
- Lactuca sagittifolia Elliott
- Lactuca steelei Britton
- Mulgedium canadense (L.) Farw.
- Mulgedium canadense var. canadense
- Mulgedium integrifolium Cass.
- Sonchus pallidus Willd.
- Wiestia canadensis (L.) Sch.Bip.
- Wiestia elongata (Muhl. ex Willd.) Sch.Bip.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual, Biennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: George F Mayfield from chicago area, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: Tim Denham, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: George F Mayfield from chicago area, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: Miss Patty, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: George F Mayfield from chicago area, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: ava fo, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: George F Mayfield from chicago area, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: Tamela Tamela Alexander, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Frank Mayfield, CC BY-SA 2.0, from Wikimedia Commons Photo: GreenBlessed, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Frank Mayfield, CC BY-SA 2.0, from Wikimedia Commons Photo: escargofan, CC BY-SA 4.0, from Pl@ntNet via GBIF
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- Lactuca vimineaAsteraceae
- Lactuca quercinaAsteraceae
- Indian lettuceLactuca indicaAsteraceae
- Lactuca sibiricaAsteraceae
- Lactuca orientalisAsteraceae
- Lactuca tenerrimaAsteraceae
- Tall blue lettuceLactuca biennisAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.