Prairie sunflower
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Helianthus
- species: Helianthus petiolaris
Calgary
Alberta
Canada
Höllviken- Munka-Ljungby
Skåne- Lidingö
- Råsunda
- Skytteholm
- Solna
- Sundbyberg
- Åkersberga
Stockholm- Uppsala
Uppsala- Linköping
Östergötland
Sweden
New Haven- Wallingford
- Wallingford Center
- Waterbury
- West Haven
Connecticut- Moorhead
Minnesota- Sunland Park
New Mexico- Fargo
North Dakota- Yankton
South Dakota- Port Lavaca
Texas
United States