Nevada Administrative Code
Chapter 555 - Control of Insects, Pests and Noxious Weeds
NOXIOUS WEEDS
Classification of Weeds
Section 555.010 - Designation and categorization of noxious weeds

Universal Citation: NV Admin Code 555.010

Current through December 31, 2024

1. The following weeds are designated noxious weeds:

(a) Category A Weeds:

(1) African rue.

(Peganum harmala)

(2) Austrian fieldcress.

(Rorippa austriaca)

(3) Austrian peaweed.

(Sphaerophysa salsula)

(4) Barbed goatgrass.

(Aegilops triuncialis)

(5) Buffelgrass.

(Pennisetum ciliare)

(6) Camelthorn.

(Alhagi pseudalhagi)

(7) Common crupina.

(Crupina vulgaris)

(8) Curly leaf pondweed.

(Potamogton crispus)

(9) Desert knapweed.

(Volutaria tubuliflora)

(10) Dyer's woad.

(Isatis tinctoria)

(11) Eurasian water-milfoil.

(Myriophyllum spicatum)

(12) Flowering rush.

(Butomus umbellatus)

(13) Giant salvinia.

(Salvinia molesta)

(14) Goats rue.

(Galega officinalis)

(15) Green fountain grass.

(Pennisetum setaceum)

(16) Houndstongue.

(Cynoglossum officinale)

(17) Hydrilla.

(Hydrilla verticillata)

(18) Iberian starthistle.

(Centaurea iberica)

(19) Jointed goatgrass.

(Aegilops cylindrica)

(20) Klamath weed.

(Hypericum perforatum)

(21) Malta starthistle.

(Centaurea melitensis)

(22) Mediterranean sage.

(Salvia aethiopis)

(23) Purple loosestrife.

(Lythrum salicaria, Lythrum virgatum and their cultivars)

(24) Purple starthistle.

(Centaurea calcitrapa)

(25) Rush skeletonweed.

(Chondrilla juncea)

(26) Squarrose knapweed.

(Centaurea virgata)

(27) Sulfur cinquefoil.

(Potentilla recta)

(28) Syrian bean caper.

(Zygophyllum fabago)

(29) Ventenata.

(Ventenata dubia)

(30) Yellow starthistle.

(Centaurea solstitialis)

(31) Yellow toadflax.

(Linaria vulgaris)

(b) Category B Weeds:

(1) Black henbane.

(Hyoscyamus niger)

(2) Carolina horse nettle.

(Solanum carolinense)

(3) Dalmation toadflax.

(Linaria dalmatica)

(4) Diffuse knapweed.

(Centaurea diffusa)

(5) Giant reed.

(Arundo donax)

(6) Leafy spurge.

(Euphorbia esula)

(7) Mayweed chamomile.

(Anthemis cotula)

(8) Medusahead.

(Taeniatherum caput-medusae)

(9) Perennial sow-thistle.

(Sonchus arvensis)

(10) Sahara mustard.

(Brassica tournefortii)

(11) Spotted knapweed.

(Centaurea maculosa)

(12) White horse nettle.

(Solanum elaeagnifolium)

(c) Category C Weeds:

(1) Canada thistle.

(Cirsium arvense)

(2) Hoary cress.

(Cardaria draba)

(3) Johnson grass.

(Sorghum halepense)

(4) Musk thistle.

(Carduus nutans)

(5) Perennial pepperweed.

(Lepidium latifolium)

(6) Poison Hemlock.

(Conium maculatum)

(7) Puncture vine.

(Tribulus terrestris)

(8) Russian knapweed.

(Acroptilon repens)

(9) Salt cedar (tamarisk).

(Tamarix spp.)

(10) Scotch thistle.

(Onopordum acanthium)

(11) Water Hemlock.

(Cicuta maculata)

2. Category A weeds are weeds that are generally not found or that are limited in distribution throughout the State. Such weeds are subject to:

(a) Active exclusion from the State and active eradication wherever found.

(b) Active eradication from the premises of a dealer of nursery stock.

3. Category B weeds are weeds that are generally established in scattered populations in some counties of the State. Such weeds are subject to:

(a) Active exclusion where possible.

(b) Active eradication from the premises of a dealer of nursery stock.

4. Category C weeds are weeds that are generally established and generally widespread in many counties of the State. Such weeds are subject to active eradication from the premises of a dealer of nursery stock.

5. As used in this section, "dealer of nursery stock" has the meaning ascribed to it in NRS 555.23525.

Dep't of Agriculture, No. 55.11, eff. 5-25-62; A 5-1-68-NAC A by St. Quarantine Officer, 8-9-94; R191-99, 8-7-2000; R097-01, 5-1-2002; R003-03, 9-24-2003; R109-04, 10-5-2004; R028-05, 10-31-2005; R020-06, 6-28-2006; R156-08, 2-11-2009; A by R152-17AP, eff. 8/30/2018

NRS 555.130

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