Purple loosestrife (Lythrum salicaria) is a non-native plant brought to North America in the 1800s. The plant spread like wildfire and continues to invade and degrade wetlands throughout the U.S ...

Purple loosestrife (Lythrum salicaria) This plant from Europe and Asia came to North America in the early 1800s on the wool of European sheep and within ships that used soil as ballast.

Common identifying characteristics of this species include: As purple loosestrife forms thick monocultures, the plant can be particularly difficult to manage and remove depending on the size of the ...