You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place "The Rock," 6 mi. from State College, 3 mi. from Lemont near Hauserville Remove constraint Place: "The Rock," 6 mi. from State College, 3 mi. from Lemont near Hauserville Place Pennsylvania Remove constraint Place: Pennsylvania Topic Porella Remove constraint Topic: Porella Type still image Remove constraint Type: still image