wild lettuce

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Related to Lactuca virosa: Wild lettuce

wild lettuce

n
(Plants) any of several uncultivated lettuce plants, such as Lactuca serriola (or L. scariola) of Eurasia and L. canadensis (horseweed) of North America, which grow as weeds and have yellow or blue flowers, milky juice in the stem, and prickly leaves: family Asteraceae (composites)
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References in periodicals archive ?
Estas especies aparecen acompanadas de otros elementos propios de Artemisetea vulgaris, como Verbascum sinuatum, Marrubium vulgare, Lactuca virosa, etc.
The submediterranean species Lactuca virosa occurs throughout
Weeds species identified on some, but not all, of the sites included dandelion (Taraxacum officinale), quackgrass (Agropyron repens), yellow goats beard (Tragopogon pratensis), purple coneflower (Brauneria angustifolia, curled dock (Rumex crispus), prickly lettuce (Lactuca virosa) and Canada thistle (Cirsium arvense).