field thistle
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Cirsium
- species: Cirsium discolor
Niagara Falls
Ontario
Canada
Dover
Delaware- Blue Island
- Bourbonnais
- Bradley
- Brookfield
- Calumet Park
- Carthage
- Cary
- Charleston
- Chicago
- Deer Park
- Evanston
- Franklin Park
- Inverness
- La Grange Park
- Lake Bluff
- Lake Forest
- Lebanon
- Lyons
- Manhattan
- McCullom Lake
- Norridge
- North Peoria
- North Riverside
- Palatine
- Port Barrington
- River Grove
- Riverdale
- Riverside
- Sandwich
- Schiller Park
Illinois- Ames
- Mason City
Iowa- Cumberland
Kentucky- Alexandria
- Pineville
Louisiana- Vineyard Haven
Massachusetts- Ann Arbor
Michigan- Plymouth
Minnesota- Apalachin
- Brooklyn
- Cold Spring Harbor
- Cornwall-on-Hudson
- East Atlantic Beach
- Eatons Neck
- Firthcliffe
- Great Neck
- Great Neck Estates
- Great Neck Gardens
- Great Neck Plaza
- Greenwood Lake
- Hartsdale
- Kensington
- Kings Point
- Laurel Hollow
- Long Island City
- Menands
- Merrick
- Niagara Falls
- Penn Yan
- Plandome
- Plandome Heights
- Scarsdale
- Schoharie
- Sleepy Hollow
- Staten Island
- Tarrytown
- Thomaston
- Victor
- Wading River
New York- Berwick
- East Berwick
- Easton
- Nescopeck
- Old Orchard
- West Easton
- Wilson
Pennsylvania- Bull Run Mountain Estates
- Fairfax
- Woodbridge
Virginia- Washington, D. C.
Washington, D.C.
United States