Invasive Plants of Oklahoma

Maps for confirmed county distributions in Oklahoma are by Oklahoma Biological Survey and should be considered works in progress.


Lythrum salicaria, Purple loosestrife

Purple loosestrife prefers moist areas, growing near water or in boggy areas. Listed in Oklahoma as a banned aquatic species but does not grow in water.

Photos: Eric Coombs, Oregon Department of Agriculture, Bugwood.org & Steve Dewey, Utah State University, Bugwood.org