roadside thistle
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Cirsium
- species: Cirsium altissimum
Auburn
AlabamaHot Springs
Hot Springs National Park
ArkansasBlue Ridge
GeorgiaCulver
Kendallville
Kokomo
Lafayette
Wabash
IndianaAmes
Arnolds Park
IowaBurlington
Emporia
Wathena
KansasCabin John
MarylandPort Gibson
MississippiFremont
Grand Island
Hastings
Lincoln
NebraskaNorth Wildwood
Wildwood
New JerseyEast Hampton
East Hampton North
New Rochelle
New YorkDelaware
Painesville
West Hill
OhioBala Cynwyd
Mercersburg
Millersville
Sharon
Sharpsville
PennsylvaniaHouston
Lake Worth
TexasBedford
VirginiaWashington, D. C.
Washington, D.C.Allouez
Lake Geneva
Wisconsin
United States