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
Belgium
New Westminster
British Columbia
Canada
Halmstad
Halland
Oxelösund
Södermanland
Uppsala
Uppsala
Sundsvall
Västernorrland
Nora
Örebro
Gusum
Linköping
Norrköping
Valdemarsvik
Östergötland
Sweden
Benwell
Gosforth
Newcastle upon Tyne
Whickham
England
United Kingdom
Corvallis
Four Corners
Millersburg
Oregon
Frederickson
Parkland
Washington
United States
Bertrange
Berg