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Beaver Brook
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| Here is Broad-leaved Toothwort (Cardamine diphylla). Identifying characteristics include a white flower with 4 petals and 6 stamens; and a mid-stem pair of leaves, each with 3 bluntly-toothed lobes. (This species majors in math, with symmetry in 2's, 3's, 4's and 6's.) |