(1) These regulated plants have the potential to have significant negative impacts. The plant may not be intentionally spread or sold other than as a contaminant in agricultural products. The state recommends research, education, and prevention to minimize the spread of the regulated plant:

(a) Cheatgrass (Bromus tectorum);

(b) Hydrilla (Hydrilla verticillata);

(c) Russian olive (Elaeagnus angustifolia);

(d) Brazilian waterweed (Egeria densa); and

(e) Parrot feather watermilfoil (Myriophyllum aquaticum or M. brasiliense).