You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Mexico Remove constraint Place: Mexico Place Tres Hermanos (El Cardenal); Champotón Remove constraint Place: Tres Hermanos (El Cardenal); Champotón Place Yucatán Remove constraint Place: Yucatán Topic Croton Remove constraint Topic: Croton Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae Topic Magnoliopsida Remove constraint Topic: Magnoliopsida