Arnold hawthorn
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Rosales
- family: Rosaceae
- genus: Crataegus
- species: Crataegus mollis
Mont-Royal
Saint-Laurent
Quebec
Canada- Luxembourg
Göteborg
Västra Götaland
SwedenCullman
AlabamaChesterton
Porter
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East Lansing
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Washington, D.C.Milwaukee
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United States