Asteraceae
Bitter lettuce
Lactuca virosa
- Family
- Asteraceae
- Genus
- Lactuca
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Common names
By language (1)
- English
- Bitter lettuce
Synonyms
- Lactuca ambigua Schrad.
- Lactuca flavida Jord.
- Lactuca lactucarii (Lamotte) Lamotte
- Lactuca livida Boiss. & Reut.
- Lactuca patersonii Menezes
- Lactuca romana Garsault
- Lactuca scariola unranked virosa (L.) Rouy
- Lactuca scariola var. altissima Lecoq & Lamotte
- Lactuca scariola var. flavida (Jord.) Gren. & Godr.
- Lactuca scariola var. lactucarii (Lamotte) Rouy
- Lactuca schimperi Jord.
- Lactuca serratifolia Sennen
- Lactuca sinuata Forssk.
- Lactuca virosa f. lactucarii Lamotte
- Lactuca virosa subsp. livida (Boiss. & Reut.) Ladero & A.Velasco
- Lactuca virosa var. virosa
- Wiestia virosa (L.) Sch.Bip.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual, Biennial
- In the US and Canada
- Lower 48 states: introduced
Photos
Photo: H. Brisse, CC BY-SA 3.0, from Wikimedia Commons 
Photo: H. Brisse, CC BY-SA 3.0, from Wikimedia Commons 
Photo: H. Brisse, CC BY-SA 3.0, from Wikimedia Commons 
Photo: H. Brisse, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Luis Nunes Alberto, CC BY 3.0, from Wikimedia Commons 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Amazoniaexotics, CC BY-SA 4.0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons
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- Lactuca vimineaAsteraceae
- Lactuca quercinaAsteraceae
- Indian lettuceLactuca indicaAsteraceae
- Lactuca sibiricaAsteraceae
- Canada lettuceLactuca canadensisAsteraceae
- Lactuca orientalisAsteraceae
- Lactuca tenerrimaAsteraceae
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.