Spreading dogbane
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Apocynaceae
- genus: Apocynum
- species: Apocynum androsaemifolium
Calgary
Peace River
AlbertaCranbrook
Hope
Kelowna
Kimberley
Nanaimo
Osoyoos
Prince George
Princeton
Revelstoke
British ColumbiaFort Smith
Northwest TerritoriesAtikokan
Englehart
Tobermory
Walpole Island
Ontario
CanadaCobb
Kings Beach
Tahoma
CaliforniaCaรฑon City
Estes Park
Genesee
Lincoln Park
ColoradoHayden
IdahoFour Corners
Kemp Mill
MarylandVerdi
NevadaAthens
OhioCentre Hall
PennsylvaniaKenosha
Lake Geneva
Milwaukee
Wisconsin
United States