You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place n. margin of fen ne. of Willow Lake, n. of US-223. Woodstock Twp. T5SR1E21, nw qtr of nw qtr Remove constraint Place: n. margin of fen ne. of Willow Lake, n. of US-223. Woodstock Twp. T5SR1E21, nw qtr of nw qtr