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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 DatabasePage 3 of 11ramAcropUon repensAilanthus aitissirna LRussian knapweedtree-of-heaven• CW • GV • NW• SN • SW • SNE• DspringsModerate B B B 3.2 • CA-FP • GB Scrub, grassl<strong>and</strong>s, riparian, pinyon-juniperwoodl<strong>and</strong>, forest. Severe impacts in otherwestern states. Spreading in many areas ofCA.Moderate B B B 3.0 • CA-FP •GB Riparian areas, grassl<strong>and</strong>s, oak woodl<strong>and</strong>.Impacts highest in riparian areas.Alhagi maurorumcamelthornModerate B B 3.2 • GV • SW • SNE• DGrassl<strong>and</strong>, meadows, riparian <strong>and</strong> desertscrub, Sonoran thorn woodl<strong>and</strong>. Veryinvasive in southwestern states. Limiteddistribution in CA.Asphodelu sfistulosusAtriolex semibaccataBrachypodiurndistachyonBrassica nigraonionweedAustralian saltbushannual false-brome, falsebrome, purple false broom,stiff bromeblack mustardModerate • B A C 2.9 • GV • SW Coastal dunes, prairie, grassl<strong>and</strong>s. Moreinvasive in Australia. High invasiveness butlimited distribution in CA.Moderate B 2.9 • All CA Coastal grassl<strong>and</strong>s, scrub, upper salt marsh.Limited distribution, but can be veryinvasive regionally.Moderate B B B 2.6 • CaR • CW •GV• SNValley <strong>and</strong> foothill grassl<strong>and</strong>, cimontanewoodl<strong>and</strong>Moderate B B A 2.0 • CA-FP Widespread. Primarily a weed of disturbedsites, but can be locally a more significantproblem in wildl<strong>and</strong>s.Bromus dianCardariachalepensissripgut bromelens-podded white-topModerate B B A 3.3 • All CA Dunes, scrub, grassl<strong>and</strong>, woodl<strong>and</strong>, forest.Very widespread, but monotypic st<strong>and</strong>suncommon.Moderate • B B C 3.2 • CA-FP • GB Central Valley wetl<strong>and</strong>s. Limited distributionin CA. May not be as invasive as C. draba.CarduuspycnocephalusItalian thistleModerate B B A 2.9 • CW • GV • NW• SN • SW• DMojForest, scrub, grassl<strong>and</strong>s, woodl<strong>and</strong>. Verywidespread. Impacts may be variableregionally.C:entaureacalcitrap<strong>and</strong>riila junco:Orsium arvensepurple starthistlerush skeletonweedCanada thistleModerate B B B 2.7 • CW •GV • NW Grassl<strong>and</strong>s. Impacts regionally variable.• SN •SW •MP Distribution relatively limited.Moderate B B B 3.1 • CaR • CW • GV• NW • SNGrassl<strong>and</strong>s. Very invasive in other westernstates, but currently limited in distribution inCA.Moderate B B B 2.8 • CA-FP • DMoj Grassl<strong>and</strong>s, riparian areas, forests. Severehttp://www.eal-ipc.org/ip/inventory/weedlist.php?region —GV&print=y 10/13/2010

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