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Place
- North America21
- Pennsylvania[remove]21
- USA21
- Warren4
- Philadelphia3
- Cranbrook Farm, North Warren2
- Monroe2
- Northampton2
- York2
- Along Tionesta Creek from Henry's Mill to Kelletville1
- Clinton1
- Contact UM Herbarium1
- Forest1
- Franklin1
- Lower Glen, Buck Hill Falls1
- Near Sheffield1
- Philadelphia, Wissahickon Creek1
- Pike1
- Swayne's Pond1
- near Kinzua1