You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Marchias bog, 10 miles SE of Machias. Remove constraint Place: Marchias bog, 10 miles SE of Machias. Place North America Remove constraint Place: North America Place Washington Remove constraint Place: Washington Topic Sphagnaceae Remove constraint Topic: Sphagnaceae Topic Sphagnopsida Remove constraint Topic: Sphagnopsida Topic Sphagnum Remove constraint Topic: Sphagnum