You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Illinois Remove constraint Place: Illinois Place North America Remove constraint Place: North America Place Vermilion Remove constraint Place: Vermilion Place Windfall Hill Prairie Nature Preserve Windfall Prairie Seep, West facing bank of the Middle Fork of the Vermilion River. Danville NW 7.5 minute topo. Remove constraint Place: Windfall Hill Prairie Nature Preserve Windfall Prairie Seep, West facing bank of the Middle Fork of the Vermilion River. Danville NW 7.5 minute topo. Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Plantae Remove constraint Topic: Plantae