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Staff Report and WELO Ordinance - StopWaste.Org

Staff Report and WELO Ordinance - StopWaste.Org

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Cal-IPC: The Inventory Database Page 5 of 11cr)areas.Hordeummu; inureum , H, Mediterranean barley, harebarley, wall barleyModerate B B A 2.8 • All CAGrassl<strong>and</strong>s; H. marinum invades drierhabitats, while H. murinum invadeswetl<strong>and</strong>s. Widespread, but generally do notform dominant st<strong>and</strong>s.Hypericurnr-, rfo ,at,, mcommon St. John's wort,klamathweedModerate B B B 3.7 • CW • GV • NW.SWMany northern CA habitats. Abiotic impactslow. Biological control agents have reducedoverall impact.Hypochaerisrough catsear, hairyradicata • d<strong>and</strong>elionModerate C B A 2.2 • CA-FPCoastal dunes, scrub, <strong>and</strong> prairie; woodl<strong>and</strong>,forest. Widespread. Impacts unknown orappear to be minor.Koch ia scopariakochiaModerate B C B 3.2 • CW • GV • SW• GB • DScrub, chaparral, grassl<strong>and</strong>sLinaria genistifoliassp. dalmaticaDalmation toadflaxModerate B B B 2.8 • CA-FPGrassl<strong>and</strong>s, forest clearings. Limiteddistribution. More severe impacts in otherwestern states.Linaria vulgarsyellow toadflax, butter <strong>and</strong>eggsModerateBBB2.3• CA - FPvalley <strong>and</strong> foothill grassl<strong>and</strong>, Great Basingrassl<strong>and</strong>, riparian woodl<strong>and</strong>, lowermontane coniferous forest, upper montaneconiferous forestrnuitiflorumItalian ryegrassModerateABA2.6• CA-FPGrassl<strong>and</strong>s, oak woodl<strong>and</strong>, pinyon-juniperwoodl<strong>and</strong>; widely used for post-fire erosioncontrol. Widespread. Impacts can vary withregion.Mentha pulegiumpennyroyalModerate C A A 2.7 • CW -GV • NW• SWVernal pools, wetl<strong>and</strong>s. Poisonous tolivestock. Spreading rapidly. Impacts largelyunknown.N(cotiana glaucatree tobaccoModerate B B B 2.5 • GV • NW • SN• SW • DCoastal scrub, grassl<strong>and</strong>s, riparianwoodl<strong>and</strong>. Abiotic impacts unknown.Impacts vary locally. Rarely in dense st<strong>and</strong>s.Pen c_setaceu : crimson fountaingrassModerate B B B 2.9 • CW • GV • SW• DCoastal dunes <strong>and</strong> scrub, chaparral,grassl<strong>and</strong>s. Some horticultural cultivarssterile. Very invasive in Hawaii.PolygonumcuspidatumJapanese knotweedModerate •B B D 2.7 • CaR • CW • GV• NW • SNRiparian areas, wetl<strong>and</strong>s, forest edges. Moresevere impacts in NW wetl<strong>and</strong>s. Distributionlimited in CA.PolygonumsachalinenseSakhalin knotweedModerate •B B D 2.5 • CaR • CW • GV• NW • SNRiparian areas. More severe impacts in NWwetl<strong>and</strong>s. Distribution limited in CA.pot7mogeton crispuscurlyleaf pondweedModerate B B B 3.2 • CW • GV • NW• SW • DMojFreshwater aquatic systems. Can be veryinvasive locally.httn://www.cal-inc.org/ip/inventory/weedlist.php?region —GV&print--y 10/13/2010

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