You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Floodplain forest along Tradewater River off of Hwy 1294 & east of Hwy 293, western edge of county. Remove constraint Place: Floodplain forest along Tradewater River off of Hwy 1294 & east of Hwy 293, western edge of county.