Invasive Plants of Oklahoma

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


Hydrilla vercillata, Hydrilla

An anchored, submerged aquatic that is a particularly nuisance in clear lakes. But cloudy lakes can serve as reservoir of hydrilla for contaminating other lakes most often aboard trailerable boats.

Photos: Bruce Hoagland, Murray Co., Lake of the Arbuckles