Stone root
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Lamiaceae
- genus: Collinsonia
- species: Collinsonia canadensis
Bergshamra- Djursholm
Stockholm- Göteborg
Västra Götaland
Sweden
Branford- Branford Center
- Litchfield
- Naugatuck
- New Haven
- Oxford
- Wilton
Connecticut- East Lansing
Michigan- Borough of Bronx
New York- Washington, D. C.
Washington, D.C.
United States