Ludwigia grandiflora (syn. L. hexapetala)

Non-Native to Florida

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Largeflower primrose willow is occasionally found in marshes, swamps, pond and lake margins from the peninsula to the western panhandle of Florida. It is native to tropical America.

For brief control information, see Efficacy of Herbicide Active Ingredients Against Aquatic Weeds by K. Langeland, M. Netherland, and W. Haller.