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 Milfoil flowers from Elm Brook |
 Exotic Fanwort from Arlington Mill Reservoir, Salem |
 Brazilian elodea from Nutts Pond, Manchester |
 Flower Stalk of Exotic Variable Milfoil |
 Hydrilla |
 Exotic Milfoil in Lake Massabesic |
 Exotic Variable Milfoil in Flower |
 Water Chestnut from Nashua River |
 Native Bladderwort with Winter Bud |
 Native Milfoil |
 Common reed |
 Milfoil infestation in a marina on Squam Lake |
 Stem of variable milfoil |
 Water Chestnut Seed |