Coast tarweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Madia
- species: Madia sativa
- Creston
British Columbia
Canada- Puerto Natales
Region of Magallanes
Chile- Olomouc
Olomoucký
Czech Republic- Ben Lomond
- Brookdale
- Guerneville
- Interlaken
- Kelseyville
- Nice
- Pasatiempo
California- Wilton
Connecticut- Forest Glen
- Wheaton
Maryland- Dallesport
- Seattle
- White Salmon
Washington- Washington, D. C.
Washington, D.C.
United States