You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Mackinac Remove constraint Place: Mackinac Place Mackinac Island [by dock near east breakwater, fide WRO in litt. xi/7/91]. Remove constraint Place: Mackinac Island [by dock near east breakwater, fide WRO in litt. xi/7/91]. Place Michigan Remove constraint Place: Michigan Place USA Remove constraint Place: USA Topic Euphorbia Remove constraint Topic: Euphorbia Topic Malpighiales Remove constraint Topic: Malpighiales