Place
- Colorado13
- Alger12
- Mackinac12
- Montana11
- Clallam10
- Tennessee10
- Newfoundland and Labrador9
- Northwest Territories9
- Copper Harbor8
- Boulder7
- Marquette7
- Presque Isle7
- Yukon Territory7
- no data7
- Contact UM Herbarium6
- Europe6
- Massachusetts6
- Vermont6
- Wisconsin6
- Chase S. Osborn Preserve of the University of Michigan, Sugar Island5