You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place North America Remove constraint Place: North America Place Oaxaca Remove constraint Place: Oaxaca Place Vicinity of Zacatepec. Along trail north of cite for ca. 1 mile. Remove constraint Place: Vicinity of Zacatepec. Along trail north of cite for ca. 1 mile. Topic Lycopodiopsida Remove constraint Topic: Lycopodiopsida Topic Selaginella Remove constraint Topic: Selaginella