crooked-stem aster
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Symphyotrichum
- species: Symphyotrichum prenanthoides
Göteborg
Västra Götaland
Sweden
Brookmont- Cabin John
- Ellicott City
Maryland- Cayuga Heights
- East Ithaca
- Ithaca
- Oyster Bay
- South Hill
New York- Boone
North Carolina- Beaver
- Easton
- Monaca
- Mountainhome
- Osceola Mills
- Rochester
- Terre Hill
- West Easton
- Wilson
Pennsylvania- Castleton
Vermont- Milwaukee
Wisconsin
United States