Rule 4.5.208 - PRIORITY 2A(1) These weeds are common in isolated areas of Montana. Management criteria will require eradication or containment of these weeds where less abundant. Management shall be prioritized by local weed districts: (a) Tansy ragwort (Senecio jacobaea, Jacobaea vulgaris);(b) Meadow hawkweed complex (Hieracium caespitosum, H. praealtum, H. floridundum, and Pilosella caespitosa);(c) Orange hawkweed (Hieracium aurantiacum, Pilosella aurantiaca);(d) Tall buttercup (Ranunculus acris);(e) Perennial pepperweed (Lepidium latifolium);(f) Yellowflag iris (Iris pseudacorus);(g) Eurasian watermilfoil complex (Myriophyllum spicatum and M. sibericum); (h) Flowering rush (Butomus umbellatus); (i) Common buckthorn (Rhamnus cathartica); and(j) Ventenata (Ventenata dubia).NEW, 2010 MAR p. 217, Eff. 1/29/10; AMD, 2013 MAR p. 2419, Eff. 12/27/13; AMD, 2015 MAR p. 1042, Eff. 7/31/2015; AMD, 2017 MAR p. 185, Eff. 2/4/2017; AMD, 2019 MAR p. 825, Eff. 6/22/2019AUTH: 80-7-802, MCA; IMP: 7-22-2101, MCA