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Nevada: invasive & noxious plant laws

New laws coming: several states phase in plant bans 2027–2030. See dates and sources →

Nevada's noxious weed list is NAC 555.010 (Department of Agriculture, under NRS 555.130; last amended Aug. 30, 2018; list revised Nov. 30, 2023). Owners must control noxious weeds on their land (NRS 555.150). For all three categories, the rule requires active eradication of the weed from the premises of nursery stock dealers.

Official sources

Category A noxious weed (NAC 555.010) — exclusion from Nevada and eradication wherever found — must be eradicated from the premises of nursery stock dealers (32)

Scientific nameCommon name / notes
Peganum harmalaAfrican rue
Rorippa austriacaAustrian fieldcress
Sphaerophysa salsulaAustrian peaweed
Aegilops triuncialisbarbed goatgrass
Pennisetum ciliare (syn. Cenchrus ciliaris)buffelgrass
Alhagi pseudalhagicamelthorn
Crupina vulgariscommon crupina
Potamogeton crispuscurly leaf pondweed
Volutaria tubulifloradesert knapweed
Isatis tinctoriadyer's woad
Myriophyllum spicatumEurasian water-milfoil
Butomus umbellatusflowering rush
Salvinia molestagiant salvinia
Galega officinalisgoats rue
Pennisetum setaceum (syn. Cenchrus setaceus)green fountain grass
Cynoglossum officinalehoundstongue
Hydrilla verticillatahydrilla
Centaurea ibericaIberian starthistle
Aegilops cylindricajointed goatgrass
Hypericum perforatumKlamath weed, St. Johnswort
Centaurea melitensisMalta starthistle
Salvia aethiopisMediterranean sage
Lythrum salicariapurple loosestrife and cultivars
Lythrum virgatumwand loosestrife and cultivars
Centaurea calcitrapapurple starthistle
Chondrilla juncearush skeletonweed
Centaurea virgatasquarrose knapweed
Potentilla rectasulfur cinquefoil
Zygophyllum fabagoSyrian bean caper
Ventenata dubiaventenata
Centaurea solstitialisyellow starthistle
Linaria vulgarisyellow toadflax

Category B noxious weed (NAC 555.010) — exclusion where possible — must be eradicated from the premises of nursery stock dealers (12)

Scientific nameCommon name / notes
Hyoscyamus nigerblack henbane
Solanum carolinenseCarolina horse nettle
Linaria dalmaticaDalmatian toadflax
Centaurea diffusadiffuse knapweed
Arundo donaxgiant reed
Euphorbia esulaleafy spurge
Anthemis cotulamayweed chamomile
Taeniatherum caput-medusaemedusahead
Sonchus arvensisperennial sow-thistle
Brassica tournefortiiSahara mustard
Centaurea maculosa (syn. C. stoebe)spotted knapweed
Solanum elaeagnifoliumwhite horse nettle (a U.S. native)

Category C noxious weed (NAC 555.010) — must be eradicated from the premises of nursery stock dealers (11)

Scientific nameCommon name / notes
Cirsium arvenseCanada thistle
Cardaria drabahoary cress
Sorghum halepenseJohnson grass
Carduus nutansmusk thistle
Lepidium latifoliumperennial pepperweed
Conium maculatumpoison hemlock
Tribulus terrestrispuncture vine
Acroptilon repensRussian knapweed
Tamarix spp.salt cedar
Onopordum acanthiumScotch thistle
Cicuta maculatawater hemlock (a U.S. native)

Check plants against Nevada law →

Informational only, not legal advice. Lists change; always check the official source linked above before you buy, sell, plant or move a plant. Lists checked 2026-10-14.