You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Main canyon on northeast side of Sierra Madera, about 25 miles south of Ft. Stockton Remove constraint Place: Main canyon on northeast side of Sierra Madera, about 25 miles south of Ft. Stockton Place North America Remove constraint Place: North America Place Pecos Remove constraint Place: Pecos Place Texas Remove constraint Place: Texas Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Pteridaceae Remove constraint Topic: Pteridaceae