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 Enniskilllen Township, Bridgeview Conservation Area, Petrolia. Near oil well "Discovery" site exhibit. Remove constraint Place: Enniskilllen Township, Bridgeview Conservation Area, Petrolia. Near oil well "Discovery" site exhibit. Place Lambton Remove constraint Place: Lambton Topic Euphorbia Remove constraint Topic: Euphorbia Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae Topic Plantae Remove constraint Topic: Plantae