(1) These weeds have limited presence in Montana. Management criteria will require eradication or containment and education:

(a) Dyer's woad (Isatis tinctoria);

(b) Flowering rush (Butomus umbellatus);

(c) Japanese knotweed complex (Polygonum spp.);

(d) Purple loosestrife (Lythrum spp.);

(e) Rush skeletonweed (Chondrilla juncea);

(f) Eurasian watermilfoil (Myriophyllum spicatum);

(g) Scotch broom (Cytisus scoparius);

(h) Curlyleaf pondweed (Potamageton crispus).