List of invasive plant species inCaliforniaFrom Wikipedia, the free encyclopedia

A list of invasive plant species in California.

Numerous plants have been introduced to the California Floristic Province and withinthe state's borders. Many of them have become invasive species and/or noxious weeds.The following are some of these species:

List

Acacia dealbata—silver wattleAcacia melanoxylon—blackwood acaciaAcacia paradoxa—paradox acaciaAgrostis avenacea—Pacific bentgrassAilanthus altissima—tree-of-heavenAira caryophylleaAllium neapolitanum—white garlicAlliaria petiolataAlternanthera philoxeroides—alligatorweedAlternanthera sessilis—sessile joyweedAmmophila arenariaAmmophila breviligulataAmpelodesmosAndropogon virginicusArctotheca calendula—capeweedArtemisia biennisAnthoxanthum odoratum—sweet vernal grassArundo donax—giant reed

Asparagus aethiopicusAsparagus asparagoides—bridal creeperAtriplex lindleyiAtriplex roseaAtriplex semibaccata—Australian saltbushAtriplex suberectaAvena barbata—slender oatAvena fatua—wild oatsAvena sterilis—animated oatAzolla pinnataBrachypodium distachyon—annual false-bromeBrachypodium sylvaticum—slender false-bromeBrassica nigra—black mustardBrassica rapa-field mustardBrassica tournefortiiBriza maxima—rattlesnake grassBromus alopecurosBromus arenariusBromus catharticusBromus commutatusBromus diandrus—ripgut bromeBromus hordeaceus—soft chessBromus madritensis ssp. rubens—red bromeBromus secalinusBromus sterilisBromus tectorum—cheatgrassBroom (plant)Cardaria draba—whitetop

Carduus acanthoidesCarduus crispusCarduus nutans—musk thistleCarduus pycnocephalus—Italian thistleCarduus tenuiflorus—winged plumeless thistleCarpobrotus chilensis—sea-figCarpobrotus edulis—iceplantCastor oil plantCaulerpa taxifoliaCentaurea calcitrapa—purple starthistleCentaurea diffusa—diffuse knapweedCentaurea iberica—Iberian knapweedCentaurea solstitialis—yellow starthistleCentaurea sulphurea—sulphur knapweedCentaurea virgata—squarrose knapweedChenopodiastrum muraleChenopodium vulvariaChloris gayanaCirsium arvense—Canada thistleCirsium ochrocentrum—yellowspine thistleCirsium vulgare—bull thistleCistus monspeliensisConiumCordyline australis—New Zealand cabbage treeCortaderia jubata—pampasgrassCortaderia selloana—white pampasgrassCotoneaster franchetii—CotoneasterCotoneaster lacteus—Parney's Cotoneaster

Cotoneaster pannosus—silverleaf cotoneasterCrataegus monogyna—common hawthornCrocosmia x crocosmiiflora—montbretiaCynara cardunculus—cardoon thistleCynanchum louiseaeCynodon dactylon—Bermuda grassCyperus rotundusCytisus multiflorusCytisus scoparius—Scotch broomCytisus striatus—Portuguese broomDactylis glomerata—orchard grassDactyloctenium aegyptiumDelairea odorata—German ivyDigitalis purpurea—foxgloveDiplotaxis muralisDiplotaxis tenuifoliaDittrichia graveolensEchium candicans—pride-of-MadeiraEichhornia crassipes—water hyacinthElaeagnus angustifolia—Russian oliveEquisetum—horsetailEquisetum hyemale—scouringrush horsetailEragrostis cilianensis—candy grassErica lusitanica—Spanish heathErodium botrys—broadleaf filareeErodium cicutarium—redstem filareeErysimum repandumEucalyptus camaldulensis—red gum

Eucalyptus globulus—blue gum

Euphorbia peplus

Fallopia baldschuanica

Fennel

Festuca arundinacea—coarse fescue

Festuca myuros—red-tailed fescue

Ficus carica—edible fig

Foeniculum vulgare—fennel

Gazania linearis—gazania

Genista canariensis—Canary Islands broom

Genista linifolia—Mediterranean broom

Genista monosperma—bridal veil broom

Genista monspessulana—French broom

Geranium dissectum—cutleaf geranium

Geranium molle—covesfoot cranesbill

Glyceria declinata—mannagrass

Hedera canariensis—Algerian ivy

Hedera helix—English ivy

Hedypnois cretica

Helichrysum petiolare—licorice plant

Hirschfeldia incana—Mediterranean mustard

Heteranthera limosa

Holcus lanatus—velvet grass, Yorkshire fog

Hordeum marinum—Mediterranean barley

Hordeum murinum—hare barley

Hyparrhenia hirta

Hypericum canariense—Canary Island St. Johnswort

Hypericum perforatum—St. John's Wort

Ilex aquifolium—English hollyIpomoea cairica—Coast Morning GloryIpomoea indica—blue morning gloryIris missouriensis—western blue flag irisIris pseudacorus—yellowflag irisIvyKali tragusLantana montevidensis—purple lantanaLeucanthemum vulgare—ox-eye daisyLigustrum ovalifolium—California privetLimnobium laevigatumLimonium perezii—sea lavenderLimonium ramosissimum ssp. provincale—Algerian sea lavenderLobularia maritima—weet alyssumLolium multiflorum—Italian ryegrassLudwigia hexapetala—creeping waterprimroseMalva nicaeensisMarrubium vulgare—horehoundMedicago polymorpha—burcloverMelilotus indicusMentha pulegium—pennyroyalMesembryanthemum crystallinum—common iceplantMyoporum laetum—myoporumMyosotis latifolia—common forget-me-notMyriophyllum aquaticum—parrotfeatherMyriophyllum spicatum—spike watermilfoilNassella manicata—Andean tussockgrassNicotiana glauca—tree tobacco

Nymphaeaceae—water lilies

Oenothera glazioviana—redsepal evening primrose

Olea europaea—olive

Onopordum acanthium—Scotch thistle

Oxalis pes-caprae—Bermuda buttercup

Parietaria judaica—spreading pellitory

Paspalum dilatatum—dallisgrass

Pennisetum clandestinum—kikuyugrass

Pennisetum setaceum—fountain grass

Phalaris aquatica—harding grass

Phoenix canariensis—Canary Island date palm

Piptatherum miliaceum—smilo grass

Pistacia atlantica

Plantago lanceolata—English plantain

Poa pratensis—Kentucky bluegrass

Polygonum arenastrum

Polygonum cuspidatum—Japanese knotweed

Polygonum polystachyum

Polypogon australis—beardgrass

Prunus cerasifera—cherry plum

Prunus lusitanica—Portuguese laurel

Psathyrostachys juncea

Puccinellia distans

Pyracantha angustifolia—narrowleaf firethorn

Pyracantha coccinea—European firethorn

Pyracantha crenulata—firethorn

Ranunculus repens—creeping buttercup

Raphanus sativus—wild radish

Retama monosperma—bridal veil broom

Ricinus communis—castor bean

Robinia pseudoacacia—black locust

Rubus armeniacus—Himalayan blackberry

Rubus laciniatus—barbwire Russian thistle

Rumex crispus—curly dock

Saccharum ravennae—ravennagrass

Salsola paulsenii—barbwire Russian thistle

Salsola soda—oppositeleaf Russian thistle

Salsola tragus—Russian thistle

Salvia aethiopis—African sage

Schinus molle—Peruvian/California pepper tree

Schinus terebinthifolius—Brazilian pepper tree

Setaria verticillata

Silybum marianum—milk thistle

Sinapis arvensis—canola

Solanum elaeagnifolium

Solanum lanceolatum

Spartina alterniflora—smooth cordgrass

Spartina densiflora—Chilean cordgrass

Spartina patens—Salt marsh hay

Spartium—broom

Spartium junceum—Spanish broom

Stipa capensis—cape ricegrass

Tamarix aphylla—athol

Tamarix chinensis—Chinese tamarisk

Tamarix gallica—French tamarisk

Tamarix parviflora—smallflower tamarisk

See also

List of California native plantsInvasive species in the United StatesNatural history of California

Tamarix ramosissima—salt cedar, tamariskTanacetum vulgare—common tansyTetragonia tetragonioides—New Zealand spinachTorilis arvensis—spreading hedgeparsleyTrifolium angustifoliumTrifolium dubiumTrifolium hirtum—rose cloverTrisetum flavescensUlex—gorseUlex europaeus—common gorseUndaria pinnatifida—wakameVerbascum thapsus—wooly mulleinVincaVinca major—periwinkleVinca minor—dwarf periwinkleViola labradoricaVulpia myurosWakameWashingtonia robusta—Mexican fan palmWatsonia meriana—watsoniaZantedeschia aethiopica—calla lilyZostera japonica—Japanese eelgrass

External links

California

Cal-IPC: California Invasive Plant Inventory Database List (http://www.cal-

ipc.org/paf/)

USDA PLANTS Database: California State Noxious Weeds List

(http://plants.usda.gov/java/noxious?rptType=State&statefips=06)

Cal-IPC: California Invasive Plant Council homepage (http://www.cal-ipc.org) +information.

Cal-IPC: CalWeedMapper (http://calweedmapper.cal-ipc.org/maps/)

California Native Plant Society—CNPS: Invasive Weeds

(http://www.cnps.org/cnps/grownative/weeds.php) + links.

UC IPM" Invasive Plants of California

(http://ucipm.ucdavis.edu/PMG/PESTNOTES/pn74139.html) — managinginvasive plants.

PlantRight.org: address and stop sale of invasive garden plants in California

(http://www.plantright.org/regions)

National

USDA: National Invasive Species Information Center

(http://www.invasivespeciesinfo.gov/index.shtml)

USDA: Invasive Plant Species

(http://www.invasivespeciesinfo.gov/plants/main.shtml)

U.S. National Invasive Species Council (http://www.invasivespecies.gov)

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Categories: Lists of flora of California

Invasive plant species in the United States by state Environment of CaliforniaEnvironmental issues in California Natural history of California

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