You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Mexico Remove constraint Place: Mexico Place Near Km. 58, road from Zapotlanejo, ca. 7 miles west-northwest of Tototlán. Remove constraint Place: Near Km. 58, road from Zapotlanejo, ca. 7 miles west-northwest of Tototlán. Place North America Remove constraint Place: North America Topic Isoetes Remove constraint Topic: Isoetes Topic Lycopodiopsida Remove constraint Topic: Lycopodiopsida