Smith's pepperwort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Brassicales
- family: Brassicaceae
- genus: Lepidium
- species: Lepidium heterophyllum
Aalter
Brugge
Linkebeek
Sint-Pieters-Voeren
Flanders
BelgiumNew Westminster
British Columbia
CanadaHalmstad
HallandOxelösund
SödermanlandUppsala
UppsalaSundsvall
VästernorrlandNora
ÖrebroGusum
Linköping
Norrköping
Valdemarsvik
Östergötland
SwedenBenwell
Gosforth
Newcastle upon Tyne
Whickham
England
United KingdomCorvallis
Four Corners
Millersburg
OregonFrederickson
Parkland
Washington
United States