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iNat·53107SpeciesPlantae87,865 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
  5. ›Sunflowers, Bellflowers, Fanflowers, and Allies
  6. ›Sunflowers, Daisies, Asters, and Allies
  7. ›chicories, dandelions, and allies
  8. ›Lettuce, Chicory, Dandelion and Salsify Tribe
  9. ›Lettuce subtribe
  10. ›Lactuca
prickly lettuce
Plate 1 of 10. (c) George F Mayfield, some rights reserved (CC BY-SA) · via iNaturalist

prickly lettuce

Lactuca serriola

Lactuca serriola, also called prickly lettuce, milk thistle (not to be confused with Silybum marianum, also called milk thistle) compass plant, and scarole, is an annual or biennial plant in the dandelion tribe within the daisy family. It has a slightly fetid odor and is commonly considered a weed of orchards, roadsides and field crops. It is the closest wild relative of cultivated lettuce (Lactuca sativa L.).

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Lactuca serriola in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 53107.