California Code of Regulations › Title 3 - Food and Agriculture › Division 4 - Plant Industry › Chapter 6 - Weed Free Areas and Weed Eradication Areas › Subchapter 6 - Noxious Weed Species › Section 4500 - Noxious Weed Species

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
It has been determined that the following species of plants
					 are noxious weeds within the meaning of Section
					 5004
					 of the Food and Agricultural Code:
Acacia paradoxa
(Kangaroo thorn)
Acaena anserinifolia
(biddy biddy)
Acaena novae-zelandiae
(biddy
					 biddy)
Acaena pallida
(biddy biddy)
Acroptilon repens (=Rhaponticum r.)
(Russian knapweed)
Aegilops cylindrica
(jointed
					 goatgrass)
Aegilops ovata
(ovate goatgrass)
Aegilops triuncialis
(barb
					 goatgrass)
Aeschynomene
spp. (joint-vetch)
Alhagi maurorum
(camelthorn)
Ailanthus altissima
(tree of
					 heaven)
Allium paniculatum
(panicled
					 onion)
Allium vineale
(wild garlic)
Alternanthera philoxeroides
(alligatorweed)
Alternanthera sessilis
(sessile
					 joyweed)
Ambrosia trifida
(giant ragweed)
Araujia sericifera
(bladderflower)
Arctotheca calendula
(capeweed, as seed
					 or fertile plants)
Arundo donax
(giant reed)
Asphodelus fistulosus
(onionweed)
Atriplex amnicola
(swamp saltbush)
Berteroa incana
(hoary alyssum)
Brachypodium sylvaticum
(slender
					 false-brome)
Cabomba caroliniana
(Carolina
					 fanwort)
Carduus acanthoides
(plumeless
					 thistle)
Carduus crispus
(curly plumeless
					 thistle)
Carduus nutans
(musk thistle)
Carduus pycnocephalus
(slender-flowered
					 thistle)
Carduus tenuiflorus
(Italian
					 thistle)
Carthamus baeticus
(smooth distaff
					 thistle)
Carthamus lanatus
(woolly distaff
					 thistle)
Carthamus leucocaulos
(whitestem distaff
					 thistle)
Cenchrus echinatus
(southern
					 sandbur)
Cenchrus incertus
(coast sandbur)
Cenchrus longispinus
(mat sandbur)
Centaurea calcitrapa
(purple
					 starthistle)
Centaurea diffusa
(diffuse
					 knapweed)
Centaurea iberica
(Iberian
					 starthistle)
Centaurea jacea
s.l. (including
C. pratensis
,
C. nigra
, and
C.
					 nigrescens
) (meadow knapweed, black knapweed, brown knapweed)
Centaurea melitensis
(tocalote)
Centaurea solstitialis
(yellow
					 starthistle)
Centaurea squarrosa
(squarrose
					 knapweed)
Centaurea stoebe
(
=C.
					 maculosa
) (spotted knapweed)
Centaurea sulphurea
(Sicilian
					 starthistle)
Ceratopteris thalictroides
(watersprite)
Chondrilla juncea
(skeletonweed)
Chorispora tenella
(purple
					 mustard)
Cirsium arvense
(Canada thistle)
Cirsium japonicum
(Japanese
					 thistle)
Cirsium ochrocentrum
(yellowspine
					 thistle)
Cirsium undulatum
(wavyleaf
					 thistle)
Cirsium vulgare
(bull thistle)
Coincya monensis
(star-mustard)
Convolvulus arvensis
(field
					 bindweed)
Cortaderia jubata
(jubata grass)
Crupina vulgaris
(bearded creeper)
Cucumis melo
var.
dudaim
(dudaim melon)
Cucumis myriocarpus
(paddy melon)
Cuscuta
spp. (dodder)
Cynara cardunculus
(artichoke
					 thistle)
Cyperus esculentus
(yellow
					 nutsedge)
Cyperus rotundus
(purple nutsedge)
Cytisus scoparius
(Scotch broom)
Diodia virginiana
(buttonweed)
Dittrichia graveolens
(stinkweed)
Drymaria cordata
(whitesnow, tropical
					 chickweed)
Egeria najas
(anacharis)
Elymus repens (=Elytrigia repens)
(quackgrass)
Euphorbia esula
(leafy spurge)
Euphorbia graminea
(grassleaf
					 spurge)
Euphorbia dendroides
(tree spurge)
Euphorbia oblongata
(oblong
					 spurge)
Euphorbia serrata
(serrate spurge)
Euphorbia terracina
(carnation
					 spurge)
Fallopia
x
bohemica
					 (=Reynoutria
x
bohemica; Polygonum
x
bohemica)
(Bohemian knotweed)
Fallopia japonica (=Polygonum cuspidatum;
					 Reynoutria j.)
(Japanese knotweed)
Fallopia sachalinensis (=Polygonum s.; Reynoutria
					 s.)
(giant knotweed)
Fatoua villosa
(hairy crabweed)
Galega officinalis
(Goatsrue)
Genista monspessulana
(French
					 broom)
Halimodendron halodendron
(Russian salt
					 tree)
Halogeton glomeratus
(halogeton)
Helianthus ciliaris
(blueweed)
Heteropogon contortus
(tanglehead)
Hydrilla verticillata
(hydrilla)
Hydrocharis morsus-ranae
(Frogbit)
Hygrophila polysperma
(Indian
					 swampweed)
Hyoscyamus niger
(black henbane)
Hypericum canariense
(Canary Island St.
					 Johnswort)
Hypericum perforatum
(Klamath
					 weed)
Isatis tinctoria
(dyer's woad)
Lagarosiphon major
(oxygen weed, African
					 elodea)
Lepidium appellanum (=Cardaria
					 appellanum)
(globe-podded hoary cress)
Lepidium chalepensis (=Cardaria
					 chalepensis)
(lens-podded hoary cress)
Lepidium coronopus (=Coronopus squamatus)
(swinecress)
Lepidium draba (=Cardaria draba)
(heart-podded hoary cress)
Lepidium latifolium
(perennial
					 peppercress)
Leptochloa chinensis (=Dinebra c.)
(Chinese sprangletop)
Limnobium laevigatum
(South American
					 spongeplant)
Limnobium spongia
(American spongeplant,
					 American frog's-bit)
Limnophila indica
(Indian
					 marshweed)
Limnophila sessiliflora
(Asian
					 marshweed)
Linaria dalmatica
(Dalmatian
					 toadflax)
Ludwigia decurrens
(winged
					 water-primrose)
Ludwigia hexapetala
(water-primrose)
Ludwigia peruviana
(Peruvian
					 primrose-willow)
Lythrum salicaria
(purple
					 loosestrife)
Mercurialis ambigua
(Spanish
					 mercury)
Muhlenbergia schreberi
(nimblewill)
Myosoton aquaticum
(giant
					 chickweed)
Nothoscordum gracile
(false
					 garlic)
Nymphaea mexicana
(banana
					 waterlily)
Nymphoides peltata
(yellow floating
					 heart)
Oenothera xenogaura (=Gaura drummondii)
(Drummond's gaura)
Oenothera sinuosa (=Gaura sinuata)
(wavyleaf gaura)
Ononis alopecuroides
(foxtail
					 restharrow)
Onopordum
spp. (including Scotch thistle,
					 Illyrian thistle and Taurian thistle)
Orobanche ramosa
(branched
					 broomrape)
Oryza rufipogon
(red rice)
Panicum antidotale
(blue
					 panicgrass)
Parthenium hysterophorus
(Santa Maria
					 feverfew)
Peganum harmala
(harmel)
Persicaria wallichii (=P. polystachyum; Rubrivena
					 polystachya)
(Himalayan knotweed)
Pennisetum clandestinum
(Kikuyugrass)
Physalis virginiana
var.
sonorae
(smooth groundcherry)
Physalis viscosa
(grape
					 groundcherry)
Potentilla recta
(sulphur
					 cinquefoil)
Prosopis strombulifera
(creeping
					 mesquite)
Retama monosperma
(bridal veil
					 broom)
Rhagadiolus stellatus
(star
					 endive)
Rorippa austriaca
(Austrian
					 fieldcress)
Rorippa sylvestris
(creeping
					 yellowcress)
Saccharum ravennae
(=
Tripidium
					 r.
) (ravennagrass)
Salsola tragus
(common
					 Russianthistle)
Salsola collina
(spineless Russian
					 thistle)
Salsola damascena (=S. vermiculata)
(wormleaf salsola)
Salsola paulsenii
(barbwire
					 Russianthistle)
Salvia aethiopis
(Mediterranean
					 sage)
Salvia virgata
(meadow sage)
Salvinia auriculata
s.l. (giant
					 salvinia)
Scolymus hispanicus
(golden
					 thistle)
Senecio jacobaea (=Jacobaea vulgaris)
(tansy ragwort)
Senecio linearifolius
(fireweed
					 groundsel)
Senecio squalidus
(Oxford ragwort)
Sesbania punicea
(red sesbania,
					 rattlebox)
Setaria faberi
(giant foxtail)
Solanum cardiophyllum
(heartleaf
					 nightshade)
Solanum carolinense
(Carolina
					 horsenettle)
Solanum dimidiatum
(Torrey's
					 nightshade)
Solanum elaeagnifolium
(white
					 horsenettle)
Solanum lanceolatum
(lanceleaf
					 nightshade)
Solanum marginatum
(white-margined
					 nightshade)
Sonchus arvensis
(perennial
					 sowthistle)
Sorghum halepense
(Johnsongrass and other
					 perennial
Sorghum
spp. including but not limited to
Sorghum almum
and perennial sweet sudangrass)
Spartina alterniflora
and hybrids (smooth
					 cordgrass and hybrids)
Spartina anglica
(common
					 cordgrass)
Spartina densiflora
(dense-flowered
					 cordgrass)
Spartina patens
(saltmeadow cord
					 grass)
Spartium junceum
(Spanish broom)
Sphaerophysa salsula
(Austrian
					 peaweed)
Stipa brachychaeta (=Achnatherum b.; Amelichloa
					 b.)
(punagrass)
Striga lutea
(witchweed)
Symphytum asperum
(rough comfrey)
Taeniatherum caput-medusae
(medusahead)
Tagetes minuta
(wild marigold)
Tamarix chinensis
(salt cedar)
Tamarix gallica
(salt cedar)
Tamarix parviflora
(salt cedar)
Tamarix ramosissima
(salt cedar)
Tribolium obliterum
(Capegrass)
Tribulus terrestris
(puncture
					 vine)
Ulex europaeus
(gorse)
Viscum album
(European mistletoe)
Volutaria tubuliflora
(desert
					 knapweed)
Zostera japonica
(dwarf eelgrass)
Zygophyllum fabago
(Syrian
					 beancaper)
This regulation shall in no way restrict the designation of
					 a weed pest to those species listed herein.
Note: Authority cited: Sections 407 and 5004, Food and
						Agricultural Code. Reference: Section 5004, Food and Agricultural Code.
Note: Authority cited: Sections
						407
						and
						5004,
						Food and Agricultural Code. Reference: Section
						5004,
						Food and Agricultural Code.