Genus,Species,Family,Common Name,Natural Areas Threat,,,,,,,,,,,,,,,,, Agrostis,gigantea,Poaceae,"giant bentgrass, redtop",Most invasive,,,,,,,,,,,,,,,,, Agrostis,viridis,Poaceae,,,,,,,,,,,,,,,,,,, Aira,caryophyllea,Poaceae,silver hairgrass,,,,,,,,,,,,,,,,,, Alcea,rosea,Malvaceae,hollyhock,,,,,,,,,,,,,,,,,, Amaranthus,albus,Amaranthaceae,white pigweed,,,,,,,,,,,,,,,,,, Anagallis,arvensis,Primulaceae,scarlet pimpernel,,,,,,,,,,,,,,,,,, Anthriscus,caucalis,Apiaceae,bur-chervil,,,,,,,,,,,,,,,,,, Anthemis,cotula,Asteraceae,stinking mayweed,,,,,,,,,,,,,,,,,, Avena,barbata,Poaceae,slender wild oats,Significant threat,,,,,,,,,,,,,,,,, Avena,fatua,Poaceae,wild oats,Significant threat,,,,,,,,,,,,,,,,, Barbarea,vulgaris,Brassicaceae,"winter-cress, yellow rocket",,,,,,,,,,,,,,,,,, Bromus,arenarius,Poaceae,Australian brome,,,,,,,,,,,,,,,,,, Bromus,catharticus,Poaceae,rescue grass,,,,,,,,,,,,,,,,,, Bromus,diandrus,Poaceae,ripgut brome,Significant threat,,,,,,,,,,,,,,,,, Bromus,hordeaceus,Poaceae,soft chess,,,,,,,,,,,,,,,,,, Bromus,inermis,Poaceae,smooth brome,Most invasive,,,,,,,,,,,,,,,,, Briza,maxima,Poaceae,quaking grass,,,,,,,,,,,,,,,,,, Briza,minor,Poaceae,little quaking grass,,,,,,,,,,,,,,,,,, Brassica,nigra,Brassicaceae,black mustard,Lesser invasive,,,,,,,,,,,,,,,,, Bromus,secalinus,Poaceae,rye brome,,,,,,,,,,,,,,,,,, Bromus,sterilis,Poaceae,sterile brome,Lesser invasive,,,,,,,,,,,,,,,,, Bromus,tectorum,Poaceae,"cheatgrass, downy brome","Most invasive, Most invasive",,,,,,,,,,,,,,,,, Capsella,bursa-pastoris,Brassicaceae,shepard's purse,,,,,,,,,,,,,,,,,, Carduus,pycnocephalus,Asteraceae,Italian thistle,"Lesser invasive, Lesser invasive",,,,,,,,,,,,,,,,, Centaurea,cyanus,Asteraceae,"cornflower, batchelor button",,,,,,,,,,,,,,,,,, Cerastium,fontanum,Caryophyllaceae,common chickweed,,,,,,,,,,,,,,,,,, Cerastium,glomeratum,Caryophyllaceae,mouse-ear chickweed,,,,,,,,,,,,,,,,,, Centaurea,melitensis,Asteraceae,"tocolote, Maltese starthistle",,,,,,,,,,,,,,,,,, Centaurea,solstitialis,Asteraceae,"yellow starthistle, St Barnaby's thistle","Most invasive, Most invasive",,,,,,,,,,,,,,,,, Chenopodium,album,Chenopodiaceae,"fat hen, white goosefoot",,,,,,,,,,,,,,,,,, Chenopodium,botrys,Chenopodiaceae,"sticky goosefoot, Jerusalem oak",,,,,,,,,,,,,,,,,, Chamomilla,suaveolens,Asteraceae,pineapple weed,,,,,,,,,,,,,,,,,, Cirsium,vulgare,Asteraceae,bull thistle,"Lesser invasive, Lesser invasive",,,,,,,,,,,,,,,,, Convolvulus,arvensis,Convolvulaceae,field bindweed,"Not listed, Lesser invasive",,,,,,,,,,,,,,,,, Coreopsis,lanceolata,Asteraceae,garden coreopsis,,,,,,,,,,,,,,,,,, Conringia,orientalis,Brassicaceae,hare's-ear mustard,,,,,,,,,,,,,,,,,, Cynodon,dactylon,Poaceae,bermuda grass,,,,,,,,,,,,,,,,,, Cynosurus,echinatus,Poaceae,hedgehog dogtail-grass,,,,,,,,,,,,,,,,,, Dactylis,glomerata,Poaceae,orchard-grass,Lesser invasive,,,,,,,,,,,,,,,,, Dianthus,barbatus,Caryophyllaceae,sweet William,,,,,,,,,,,,,,,,,, Digitalis,purpurea,Scrophulariaceae,purple foxglove,Not listed. Lesser invasive,,,,,,,,,,,,,,,,, Digitaria,sanguinalis,Poaceae,crabgrass,,,,,,,,,,,,,,,,,, Erodium,botrys,Geraniaceae,long-beaked filaree,,,,,,,,,,,,,,,,,, Erodium,cicutarium,Geraniaceae,red-stemmed filaree,,,,,,,,,,,,,,,,,, Erigeron,strigosus,Asteraceae,tall fleabane,,,,,,,,,,,,,,,,,, Festuca,arundinacea,Poaceae,"tall fescue, reed fescue","Lesser invasive, Lesser invasive",,,,,,,,,,,,,,,,, Festuca,pratensis,Poaceae,meadow fescue,Lesser invasive,,,,,,,,,,,,,,,,, Filago,gallica,Asteraceae,narrow-leafed cudweed,,,,,,,,,,,,,,,,,, Foeniculum,vulgare,Apiaceae,bitter fennel,"Most invasive, Red alert",,,,,,,,,,,,,,,,, Galium,parisiense,Rubiaceae,wall bedstraw,,,,,,,,,,,,,,,,,, Geranium,robertianum,Geraniaceae,Robert's geranium,Red alert,,,,,,,,,,,,,,,,, Hedera,helix,Araliaceae,English ivy,"Lesser invasive, Most invasive",,,,,,,,,,,,,,,,, Herniaria,hirsuta,Caryophyllaceae,hairy rupture wort,,,,,,,,,,,,,,,,,, Hirschfeldia,incana,Brassicaceae,"hoary mustard, Mediterranean mustard",More information,,,,,,,,,,,,,,,,, Holcus,lanatus,Poaceae,"velvetgrass, London fog","Lesser invasive, Most invasive",,,,,,,,,,,,,,,,, Hordeum,marinum,Poaceae,Mediterranean barley,,,,,,,,,,,,,,,,,, Hordeum,murinum,Poaceae,foxtail,,,,,,,,,,,,,,,,,, Hypochaeris,glabra,Asteraceae,smooth cat's-ear,,,,,,,,,,,,,,,,,, Hypericum,perforatum,Hypericaceae,"Klamath weed, St. Johnswort","Lesser invasive, Most invasive",,,,,,,,,,,,,,,,, Hypochaeris,radicata,Asteraceae,rough cat's -ear,"More information, Most invasive",,,,,,,,,,,,,,,,, Lathyrus,latifolius,Fabaceae,broad-leaved everlasting-pea,,,,,,,,,,,,,,,,,, Lactuca,serriola,Asteraceae,prickly lettuce,,,,,,,,,,,,,,,,,, Leucanthemum,maximum,Asteraceae,Shasta daisy,,,,,,,,,,,,,,,,,, Leucanthemum,vulgare,Asteraceae,ox-eye daisy,"Lesser invasive, Most invasive, Most invasive",,,,,,,,,,,,,,,,, Lolium,multiflorum,Poaceae,"annual rye-grass, Italian rye-grass","Significant threat, Lesser invasive",,,,,,,,,,,,,,,,, Lolium,perenne,Poaceae,perennial rye-grass,Lesser invasive,,,,,,,,,,,,,,,,, Lolium,temulentum,Poaceae,darnel,,,,,,,,,,,,,,,,,, Lunaria,annua,Brassicaceae,honesty,,,,,,,,,,,,,,,,,, Lychnis,coronaria,Caryophyllaceae,rose campion,,,,,,,,,,,,,,,,,, Malva,nicaeensis,Malvaceae,French mallow,,,,,,,,,,,,,,,,,, Malva,parviflora,Malvaceae,Least mallow,,,,,,,,,,,,,,,,,, Marrubium,vulgare,Lamiaceae,horehound,Not listed,,,,,,,,,,,,,,,,, Melilotus,alba,Fabaceae,"white medic, white sweet clover",Lesser invasive,,,,,,,,,,,,,,,,, Melilotus,indica,Fabaceae,sour clover,,,,,,,,,,,,,,,,,, Medicago,lupulina,Fabaceae,black medic,,,,,,,,,,,,,,,,,, Melilotus,officinalis,Fabaceae,yellow sweet clover,"Not listed, Lesser invasive",,,,,,,,,,,,,,,,, Medicago,polymorpha,Fabaceae,burclover,Not listed,,,,,,,,,,,,,,,,, Mentha,spicata,Lamiaceae,spearmint,,,,,,,,,,,,,,,,,, Oxalis,corniculata,Oxalidaceae,woodsorrel,,,,,,,,,,,,,,,,,, Parapholis,incurva,Poaceae,sickle grass,,,,,,,,,,,,,,,,,, Panicum,miliaceum,Poaceae,broom-corn millet,,,,,,,,,,,,,,,,,, Phleum,pratense,Poaceae,timothy,Lesser invasive,,,,,,,,,,,,,,,,, Plantago,lanceolata,Plantaginaceae,"ribwort, buckhorn",,,,,,,,,,,,,,,,,, Plantago,major,Plantaginaceae,hoary plantain,,,,,,,,,,,,,,,,,, Poa,annua,Poaceae,annual blue grass,,,,,,,,,,,,,,,,,, Polygonum,arenastrum,Polygonaceae,common knot weed,,,,,,,,,,,,,,,,,, Poa,bulbosa,Poaceae,bulbous blue grass,,,,,,,,,,,,,,,,,, Poa,compressa,Poaceae,Canada blue grass,Lesser invasive,,,,,,,,,,,,,,,,, Polygonum,convolvulus,Polygonaceae,black bindweed,,,,,,,,,,,,,,,,,, Poa,pratensis,Poaceae,Kentucky blue grass,Most invasive,,,,,,,,,,,,,,,,, Polycarpon,tetraphyllum,Caryophyllaceae,four-leaved allseed,,,,,,,,,,,,,,,,,, Raphanus,raphanistrum,Brassicaceae,wild radish,,,,,,,,,,,,,,,,,, Raphanus,sativus,Brassicaceae,wild radish,,,,,,,,,,,,,,,,,, Rumex,acetosella,Polygonaceae,"sheep's sorrel, garden sorrel",Most invasive,,,,,,,,,,,,,,,,, Rumex,crispus,Polygonaceae,curley dock,Lesser invasive,,,,,,,,,,,,,,,,, Rubus,discolor,Rosaceae,Himalayan blackberry,"Most invasive, Most invasive",,,,,,,,,,,,,,,,, Rudbeckia,hirta,Asteraceae,bristly coneflower,,,,,,,,,,,,,,,,,, Rubus,lacinatus,Rosaceae,evergreen blackberry,Lesser invasive,,,,,,,,,,,,,,,,, Scorzonera,hispanica,Asteraceae,Spanish salsify,,,,,,,,,,,,,,,,,, Setaria,pumila,Poaceae,,,,,,,,,,,,,,,,,,, Setaria,viridis,Poaceae,green bristlegrass,,,,,,,,,,,,,,,,,, Sisymbrium,altissimum,Brassicaceae,tumble mustard,Most invasive,,,,,,,,,,,,,,,,, Sinapis,arvensis,Brassicaceae,charlock,,,,,,,,,,,,,,,,,, Silene,gallica,Caryophyllaceae,small-flowered catchfly,,,,,,,,,,,,,,,,,, Silene,latifolia,Caryophyllaceae,,,,,,,,,,,,,,,,,,, Sisymbrium,officinale,Brassicaceae,hedge mustard,,,,,,,,,,,,,,,,,, Sonchus,asper,Asteraceae,spiny sow-thistle,,,,,,,,,,,,,,,,,, Sonchus,oleraceus,Asteraceae,sow-thistle,,,,,,,,,,,,,,,,,, Spergularia,rubra,Caryophyllaceae,sand spurry,,,,,,,,,,,,,,,,,, Stellaria,media,Caryophyllaceae,chickweed,,,,,,,,,,,,,,,,,, Taraxacum,officinale,Asteraceae,dandelion,,,,,,,,,,,,,,,,,, Tanacetum,parthenium,Asteraceae,feverfew,Most invasive (T. vulgare),,,,,,,,,,,,,,,,, Torilis,arvensis,Apiaceae,field hedge-parsley,Lesser invasive,,,,,,,,,,,,,,,,, Triticum,aestivum,Poaceae,wheat,,,,,,,,,,,,,,,,,, Tragopogon,dubius,Asteraceae,yellow salsify,Most invasive,,,,,,,,,,,,,,,,, Trifolium,dubium,Fabaceae,"shamrock, little hop clover",,,,,,,,,,,,,,,,,, Trifolium,hirtum,Fabaceae,rose clover,,,,,,,,,,,,,,,,,, Trifolium,pratense,Fabaceae,red clover,,,,,,,,,,,,,,,,,, Trifolium,repens,Fabaceae,white clover,,,,,,,,,,,,,,,,,, Tribulus,terrestris,Zygophyllaceae,caltrop,,,,,,,,,,,,,,,,,, Urtica,urens,Urticaceae,burning nettle,,,,,,,,,,,,,,,,,, Veronica,arvensis,Scrophulariaceae,field speedwell,,,,,,,,,,,,,,,,,, Veronica,persica,Scrophulariaceae,field speedwell,,,,,,,,,,,,,,,,,, Verbascum,thapsus,Scrophulariaceae,common mullein,"Lesser invasive, Most invasive",,,,,,,,,,,,,,,,, Vicia,benghalensis,Fabaceae,purple vetch,,,,,,,,,,,,,,,,,, Vinca,major,Apocynaceae,greater periwinkle,Lesser invasive,,,,,,,,,,,,,,,,, Vitis,vinifera,Vitaceae,grape,,,,,,,,,,,,,,,,,, Vulpia,myuros,Poaceae,rattail fescue,Lesser invasive,,,,,,,,,,,,,,,,, Centaurea,maculosa,Asteraceae,spotted knapweed,"Red Alert, Red alert",,,,,,,,,,,,,,,,,