You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Bois d'Arc Island, 3 1/2 airline miles south by west of Combine. Remove constraint Place: Bois d'Arc Island, 3 1/2 airline miles south by west of Combine. Place Dallas Remove constraint Place: Dallas Place North America Remove constraint Place: North America Place Texas Remove constraint Place: Texas Topic Euphorbia Remove constraint Topic: Euphorbia Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae