You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Guatemala Remove constraint Place: Guatemala Place La Cumbre, in zapotal, 4 km. east on Rio Purula Road Remove constraint Place: La Cumbre, in zapotal, 4 km. east on Rio Purula Road Place North America Remove constraint Place: North America Topic Croton Remove constraint Topic: Croton Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae