purple milkweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Apocynaceae
- genus: Asclepias
- species: Asclepias purpurascens
Sarnia
Ontario
CanadaGöteborg
Västra Götaland
SwedenDenver
ColoradoFarmington
New Haven
Orange
Weatogue
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West Haven
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ConnecticutLeavenworth
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Haslett
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PennsylvaniaWashington, D. C.
Washington, D.C.Lake Geneva
Wisconsin
United States