You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place North America Remove constraint Place: North America Place Rocky canyon slope 13 miles south of Sheffield Remove constraint Place: Rocky canyon slope 13 miles south of Sheffield Place Texas Remove constraint Place: Texas Topic Argyrochosma Remove constraint Topic: Argyrochosma Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Pteridaceae Remove constraint Topic: Pteridaceae