You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Kent Remove constraint Place: Kent Place North America Remove constraint Place: North America Place Oakfield Twp., Flat Iron Lake, ca. 9 miles east of Rockford. Northeast margin of lake at Calvin College dock. Remove constraint Place: Oakfield Twp., Flat Iron Lake, ca. 9 miles east of Rockford. Northeast margin of lake at Calvin College dock. Place USA Remove constraint Place: USA Topic Lamiaceae Remove constraint Topic: Lamiaceae