You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Alpena Twp. T31N, R9E, Sec. 7 SW1/4; 1/4 mile west of power generators at the Four-Mile Dam. Remove constraint Place: Alpena Twp. T31N, R9E, Sec. 7 SW1/4; 1/4 mile west of power generators at the Four-Mile Dam. Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae Topic Prunella Remove constraint Topic: Prunella Type still image Remove constraint Type: still image