You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Carretas; Janos; Carretas, border of Chihuahua and Sonora Remove constraint Place: Carretas; Janos; Carretas, border of Chihuahua and Sonora Place Chihuahua Remove constraint Place: Chihuahua Place Mexico Remove constraint Place: Mexico Topic Euphorbia Remove constraint Topic: Euphorbia Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Type still image Remove constraint Type: still image