You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Bank of R.R. tracks west of Nichols Arboretum Ann Arbor Tsp., Sec. 28. Remove constraint Place: Bank of R.R. tracks west of Nichols Arboretum Ann Arbor Tsp., Sec. 28. Place Washtenaw Remove constraint Place: Washtenaw Topic Lamiaceae Remove constraint Topic: Lamiaceae Topic Plantae Remove constraint Topic: Plantae Topic Stachys Remove constraint Topic: Stachys