You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Pennsylvania Remove constraint Place: Pennsylvania Place Swift Water, in Pocono Mountains, near Heidleberg Cottages Remove constraint Place: Swift Water, in Pocono Mountains, near Heidleberg Cottages Topic Calypogeiaceae Remove constraint Topic: Calypogeiaceae Topic Marchantiophyta Remove constraint Topic: Marchantiophyta Topic Plantae Remove constraint Topic: Plantae