Botanical identity
This taxon is documented in the World Checklist of Useful Plant Species with a reported medicinal use. The record establishes a use report and botanical index entry, not clinical effectiveness or individual safety.
KingdomPlantae
Phylum / divisionTracheophyta
ClassMagnoliopsida
OrderAsterales
FamilyAsteraceae
GenusLactuca
Scientific name with authorshipLactuca canadensis L.
Indexed scientific synonyms
Agathyrsus acuminatus (Willd.) SweetCicerbita canadensis (L.) Wallr.Cicerbita elongata (Muhl. ex Willd.) Wallr.Galathenium elongatum (Muhl. ex Willd.) Nutt.Galathenium integrifolium (Cass.) Nutt.Galathenium salicifolium Nutt.Georgia superflua var. pallida (Willd.) DC.Lactuca canadensis f. albocaerulea (Farw.) Farw.Lactuca canadensis f. angustata WiegandLactuca canadensis f. angustipes Farw.Lactuca canadensis f. angustipes WiegandLactuca canadensis f. exauriculata WiegandLactuca canadensis f. pallida Farw.Lactuca canadensis f. spinulosa (Jenn.) F.Seym.Lactuca canadensis f. steelei (Britton) FernaldLactuca canadensis f. stenopoda WiegandLactuca canadensis f. villicaulis FernaldLactuca canadensis var. albocaerulea Farw.Lactuca canadensis var. angustifolia KuntzeLactuca canadensis var. elongata Farw.Lactuca canadensis var. integrifolia (Bigelow) A.Gray, 1867Lactuca canadensis var. integrifolia (Torr. & A.Gray) Farw.Lactuca canadensis var. laciniata Farw.Lactuca canadensis var. latifolia KuntzeLactuca canadensis var. longifolia (Michx.) Farw.Lactuca canadensis var. montana BrittonLactuca canadensis var. obovata WiegandLactuca canadensis var. spinulosa Jenn.Lactuca canadensis var. typica WiegandLactuca caroliniana WalterLactuca elongata Muhl.Lactuca elongata Muhl. ex Willd.Lactuca elongata var. elongataLactuca elongata var. integrifolia Chapm., 1860Lactuca elongata var. longifolia (Michx.) Torr. & A.GrayLactuca integrifolia B.L.Rob. & FernaldLactuca longifolia Michx.Lactuca procera Schrad.Lactuca procera Schrad. ex DC.Lactuca sagittifolia ElliottLactuca steelei BrittonLactuca villosa Muhl.Lactuca villosa Muhl. ex Torr. & A.GrayMulgedium canadense (L.) Farw., 1895Mulgedium canadense var. canadenseMulgedium canadensis (L.) Farw.Mulgedium integrifolium Cass.Sonchus pallidus Willd.Wiestia canadensis (L.) Sch.Bip.Wiestia elongata (Wallr.) Sch.Bip.
Documented use categories
These categories describe the kinds of human-use reports attached to the taxon in the source checklist. Multiple categories can coexist; a plant may be recorded as both food and poison, depending on part, preparation and context.
How to interpret this record
Evidence boundary
A taxonomic use record is a discovery and indexing signal. Clinical evidence must be assessed separately for the exact species, plant part, preparation, route, dose and health question.
Safety boundary
Correct identification is essential. Toxicity, contraindications, interactions and safe preparation cannot be inferred from a documented-use record.
Dataset record and provenance
DatasetWCUPS 2020
LicenceCC BY 4.0
Name sourceIPNI
IPNI / external identifier227915-1
Use codesME
Crop wild relativeNo
Contributing checklist sources
Medicinal Plant Names Services v8.2
Read the full dataset citation, licence and import methodology →
!Educational index, not a treatment recommendation
The presence of a taxon in this database does not provide a diagnosis, dose, formulation or assurance of safety. Some indexed plants are toxic, regulated, endangered or unsafe in specific life stages.