Independent herbal reference infrastructureOpen the registry
Enriched botanical record

Erigeron canadensis

Erigeron canadensis L.

Also indexed asCanadian horseweedCanadian fleabaneHorseweedFleabaneConyza canadensisBarrillaButterweedCanada fleabane
FamilyAsteraceae
GenusErigeron
Use categories5
Linked notes0
Poison use is recorded for this taxon.This is a classification flag, not a dosage guide. Do not infer safe use from any documented-use label.

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
GenusErigeron
Scientific name with authorshipErigeron canadensis L.

Indexed scientific synonyms

Aster canadensis (L.) E.H.L.KrauseCaenotus canadensis (L.) Raf.Caenotus pusillus (Nutt.) Raf.Conyza bonariensis var. angustifolia (Cabrera) CabreraConyza canadensis (L.) CronquistConyza canadensis subsp. canadensisConyza canadensis var. canadensisConyza canadensis var. glabrata (A.Gray) CronquistConyza canadensis var. incisa P.D.SellConyza canadensis var. obovoidea P.D.SellConyza canadensis var. pusilla (Nutt.) CronquistConyza canadensis var. robusta P.D.SellConyza canadensis var. simplex P.D.SellConyza linifolia (Willd.) Täckh.Conyza parva CronquistConyza rufescens Hoffmanns. & LinkConyzella canadensis (L.) Rupr.Conyzella linifolia (Willd.) GreeneDimorphanthes linifolia (Willd.) Rupr.Erigeron bonariensis var. angustifolius CabreraErigeron canadense L.Erigeron canadense subsp. strictum (DC.) Farw.Erigeron canadense var. pusillus (Nutt.) B.BoivinErigeron canadensis f. canadensisErigeron canadensis f. coloratus FassettErigeron canadensis var. canadensisErigeron canadensis var. glabratus A.GrayErigeron canadensis var. grandiflorus Schwein.Erigeron canadensis var. laevis MakinoErigeron canadensis var. levis Makino, 1926Erigeron canadensis var. patens J.J.Schmitz & RegelErigeron canadensis var. pusillus (Nutt.) B.BoivinErigeron canadensis var. strictus Farw.Erigeron linifolius Willd.Erigeron myriocephalus Rech.fil. & Edelb.Erigeron paniculatus Gilib.Erigeron paniculatus Lam.Erigeron perramosus SchurErigeron pusillus Nutt.Erigeron ruderalis Salisb.Erigeron setiferus PostErigeron setiferus Post ex Boiss.Erigeron strictus DC.Inula canadensis (L.) Bernh.Leptilon canadense (L.) BrittonLeptilon canadense var. canadenseLeptilon canadense var. pusillum (Nutt.) DanielsLeptilon canadensis (L.) Britton & A.Br.Leptilon linifolium (Willd.) SmallLeptilon pusillum (Nutt.) BrittonMarsea canadensis (L.) V.M.BadilloMytilus californicusSenecio ciliatus WalterTessenia canadensis (L.) BubaniTessenia linifolia (Willd.) BubaniTrimorpha canadensis (L.) Lindm.

Documented use categories

Medicine
Human food
Fuel
Material
Poison reported

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 identifier203653-1
Use codesFU HF MA ME PO
Crop wild relativeNo

Contributing checklist sources

Kew Economic Botany CollectionUSDA GRINMedicinal Plant Names Services v8.2Useful Plants of New GuineaPlant Resources for Tropical AfricaUseful Plants of West Tropical Africa

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.

Ethnobotanical layer

Traditional-use records for Erigeron canadensis.

Historical associations preserved from the USDA Dr. Duke dataset. These records are not treatment recommendations.