You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Durango Remove constraint Place: Durango Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Place Peñón Blanco; eastern piedmont of Sierra Gamon above Penon Blanco Remove constraint Place: Peñón Blanco; eastern piedmont of Sierra Gamon above Penon Blanco Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae Type still image Remove constraint Type: still image