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 Federman. [ca. 5 mi. east of Petersburg] Remove constraint Place: Federman. [ca. 5 mi. east of Petersburg] Place Monroe Remove constraint Place: Monroe Topic Euphorbia Remove constraint Topic: Euphorbia Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae Topic Plantae Remove constraint Topic: Plantae Type still image Remove constraint Type: still image