Invasive Plants of Theodore Roosevelt National Park

Purple Loosestrife

Lythrum salicaria (Purple loosestrife) is a flowering plant belonging to the family Lythraceae, native to Europe, Asia, northwest Africa, and southeastern Australia. It should not be confused with other plants sharing the name loosestrife that are members of the family Primulaceae. Other names include spiked loosestrife, or purple lythrum.