Natural Resources Priority Weed List

Natural Resources Management Group
Priority Weeds List

	Acroptilon repens (L.) DC. -- Russian knapweed
	Ailanthus altissima -- Tree of heaven
	Alhagi pseudalhagi (Bieb.) Desv. -- Camelthorn
	Asphodelus fistulosus -- Onion weed
	Brassica tournifortii -- Sahara mustard
	Carduus nutans -- Musk thistle
	Centaurea diffusa L. -- Diffuse knapweed
	Centaurea maculosa L. -- Spotted knapweed
	Centaurea melitensis -- Malta starthistle
	Centaurea solsitialis -- Yellow starthistle
	Cirsium vulgare -- Bull thistle
	Eragrostis curvula -- Weeping lovegrass
	Euryops subcarnosa -- Sweet resinbush
	Heterotheca subaxilaris -- Camphorweed
	Kochia scoparia -- Kochia
	Linaria genistifolia var. -- dalmatica - Dalmation toadflax
	Melilotus officinalis -- Yellow sweet clover
	Onopordum acanthium L. -- Scotch thistle
	Parkinsonia aculeata -- Mexican palo verde
	Pennisetum ciliare -- Buffelgrass
	Pennisetum setaceum -- Fountaingrass
	Salsola kali – Tumbleweed
	Salvia aethiopis -- Mediterranean sage
	Sorghum halepense -- Johnson grass
	Tamarix spp -- Salt Cedar
	Verbascum thapsus -- Mullein

For additional information, please visit: http://www.usgs.nau.edu/swepic

Some of the plants listed are prohibited from entry into Arizona unless accompanied by the appropriate federal and state permits. Additional weed species are regulated by the federal government and may not be transported without specific permit. Please visit the Arizona Noxious Weeds List at the Arizona Department of Argriculture: http://azda.gov/PSD/quarantine5.htm. Arizona is also under the jurisdiction of the federal noxious weed list http://www.aphis.usda.gov/ppq/weeds.