Welcome to the California Department of Food and Agriculture
Home PHPPS IPC Encycloweedia

Encycloweedia: Data Sheets

Weeds Sorted by Scientific Name

RATING GENUS SPECIES COMMON NAME FAMILY SCIENTIFIC NAME
non-rated Acacia melanoxylon black acacia Fabaceae Acacia melanoxylon R.Br.
B Acacia paradoxa kangaroothorn Fabaceae Acacia paradoxa DC.
non-rated Acaena anserinifolia biddy-biddy Rosaceae Acaena anserinifolia J.R. Forst & G. Forst
A Acaena novae-zelandiae biddy-biddy Rosaceae Acaena novae-zelandiae Kirk
A Acaena pallida pale biddy-biddy Rosaceae Acaena pallida (Kirk) Allan
A Achnatherum brachychaetum punagrass Poaceae Achnatherum brachychaetum (Godr.) Barkworth
B Acroptilon repens Russian knapweed Asteraceae Acroptilon repens (L.) DC.
B Aegilops triuncialis barb goatgrass Poaceae Aegilops triuncialis L.
B Aegilops cylindrica jointed goatgrass Poaceae Aegilops cylindrica Host
B Aegilops ovata ovate goatgrass Poaceae Aegilops ovata L., non Roth in Usteri, nor Nevski (sensu)
B Aeschynomene rudis rough jointvetch Fabaceae Aeschynomene rudis Benth.
A Alhagi maurorum camelthorn Fabaceae Alhagi pseudalhagi (M. Bieb.) Desv.
B Allium paniculatum panicled onion Alliaceae Allium paniculatum L.
B Allium vineale wild garlic Alliaceae Allium vineale L.
A Alternanthera philoxeroides alligatorweed Amaranthaceae Alternanthera philoxeroides (Mart.) Griseb.
non-rated Ambrosia acanthicarpa annual bursage Asteraceae Ambrosia acanthicarpa Hook
B Ambrosia trifida giant ragweed Asteraceae Ambrosia trifida L.
B Araujia sericifera bladderflower Asclepiadaceae Araujia sericifera Brot.
A Arctotheca calendula capeweed Viscaceae Arctotheca calendula Hawksw. & Wiens
Q Cabomba caroliniana Carolina fanwort Cabombaceae Cabomba caroliniana A. Gray
B Cardaria pubescens globe-podded hoarycress Brassicaceae Cardaria pubescens (C.A. Mey.) Jarmol.
B Cardaria draba heart-podded hoarycress Brassicaceae Cardaria draba (L.) Desv.
B Cardaria chalepensis lens-podded hoarycress Brassicaceae Cardaria chalepensis (L.) Hand.-Mazz.
C Carduus pycnocephalus Italian thistle Asteraceae Carduus pycnocephalus L.
C Carduus tenuiflorus slenderflowered thistle Asteraceae Carduus tenuiflorus Curtis
A Carduus nutans musk thistle Asteraceae Carduus nutans L.
A Carduus acanthoides plumeless thistle Asteraceae Carduus acanthoides L.
B Carthamus baeticus smooth distaff thistle Asteraceae Carthamus baeticus (Boiss. & Reuter) Nyman
A Carthamus leucocaulos whitestem distaff thistle Asteraceae Carthamus leucocaulos Sibth. & Sm.
B Carthamus lanatus woolly distaff thistle Asteraceae Carthamus lanatus L.
C Cenchrus incertus coast sandbur Poaceae Cenchrus incertus M. Curtis
C Cenchrus longispinus mat sandbur Poaceae Cenchrus longispinus (Hackel) Fernald
C Cenchrus echinatus southern sandbur Poaceae Cenchrus echinatus L.
A Centaurea diffusa diffuse knapweed Asteraceae Centaurea diffusa Lam.
A Centaurea iberica Iberian starthistle Asteraceae Centaurea iberica Spreng.
non-rated Centaurea melitensis Malta starthistle Asteraceae Centaurea melitensis L.
B Centaurea calcitrapa purple starthistle Asteraceae Centaurea calcitrapa L.
B Centaurea sulphurea Sicilian starthistle Asteraceae Centaurea sulphurea Willd.
A Centaurea maculosa spotted knapweed Asteraceae Centaurea maculosa Lam.
A Centaurea squarrosa squarrose knapweed Asteraceae Centaurea squarrosa Willd., non Roth
C Centaurea solstitialis yellow starthistle Asteraceae Centaurea solstitialis L.
A Chondrilla juncea skeletonweed Asteraceae Chondrilla juncea L.
B Chorispora tenella purple mustard Brassicaceae Chorispora tenella (Pall.) DC.
non-rated Cirsium vulgare bullthistle Asteraceae Cirsium vulgare (Savi.) Ten.
B Cirsium arvense Canada thistle Asteraceae Cirsium arvense (L.) Scop.
Q Cirsium japonicum Japanese thistle Asteraceae Cirsium japonicum DC.
A Cirsium undulatum wavyleaf thistle Asteraceae Cirsium undulatum (Nutt.) Spreng.
A Cirsium ochrocentrum yellowspine thistle Asteraceae Cirsium ochrocentrum A. Gray
C Convolvulus arvensis field bindweed Convolvulaceae Convolvulus arvensis L.
B Coronopus squamatus swinecress Brassicaceae Coronopus squamatus (Forskall) Asch.
A Crupina vulgaris bearded creeper Asteraceae Crupina vulgaris Cass.
A Cucumis melo var. dudaim dudaim melon Cucurbitaceae Cucumis melo L. var. dudaim (L.) Naudin
B Cucumis myriocarpus paddy melon Cucurbitaceae Cucumis myriocarpus Naudin
C Cuscuta spp. except reflexa dodder Cuscutaceae Cuscuta spp.
A Cuscuta reflexa giant dodder Cuscutaceae Cuscuta reflexa Roxb.
B Cynara cardunculus artichoke thistle Asteraceae Cynara cardunculus L.
C Cynodon spp. bermuda grass Poaceae Cynodon spp.
B Cyperus rotundus purple nutsedge Cyperaceae Cyperus rotundus L.
B Cyperus esculentus yellow nutsedge Cyperaceae Cyperus esculentus L.
C Cytisus scoparius Scotch broom Fabaceae Cytisus scoparius (L.) Link
non-rated Egeria densa Brazilian elodea Hydrocharitaceae Egeria densa Branch.
non-rated Elodea canadensis common elodea Hydrocharitaceae Elodea canadensis Rich.
B Elytrigia repens quackgrass Poaceae Elytrigia repens (L.) Desv.
Q Euphorbia terracina Geraldton carnation spurge Euphorbiaceae Euphorbia terracina L.
A Euphorbia esula leafy spurge Euphorbiaceae Euphorbia esula L.
B Euphorbia oblongata oblong spurge Euphorbiaceae Euphorbia oblongata Griseb.
A Euphorbia serrata serrate spurge Euphorbiaceae Euphorbia serrata L.
B Gaura drummondii Drummond's gaura Onagraceae Gaura drummondii (Spach) Torr. & A. Gray
B Gaura coccinea scarlet gaura Onagraceae Gaura coccinea Pursh
B Gaura sinuata wavy-leaved gaura Onagraceae Gaura sinuata Ser.
C Genista monspessulana French broom Fabaceae Genista monspessulana (L.) L.A.S. Johnson
B Gypsophila paniculata baby's breath Caryophyllaceae Gypsophila paniculata L.
A Halimodendron halodendron Russian salttree Fabaceae Halimodendron halodendron (L.) Voss
A Halogeton glomeratus halogeton Chenopodiaceae Halogeton glomeratus (M. Bieb.) C.A. Mey.
A Helianthus ciliaris blueweed Asteraceae Helianthus ciliaris DC.
non-rated Helianthus annuus common sunflower Asteraceae Helianthus annuus L.
A Heteropogon contortus tanglehead Poaceae Heteropogon contortus (L.) Roem. & Schult.
A Hydrilla verticillata hydrilla Hydrocharitaceae Hydrilla verticillata (L.f.) Royle
C Hyoscyamus niger black henbane Solanaceae Hyoscyamus niger L.
C Hypericum perforatum Klamathweed Hypericaceae Hypericum perforatum L.
C Iris douglasiana Douglas iris Iridaceae Iris douglasiana Herb.
C Iris missouriensis western blue flag Iridaceae Iris missouriensis Nutt.
B Isatis tinctoria dyer's woad Brassicaceae Isatis tinctoria L.
C Iva axillaris povertyweed Asteraceae Iva axillaris Pursh
B Lepidium latifolium perennial peppercress Brassicaceae Lepidium latifolium L.
Q Limnobium spongia North American spongeplant Hydrocharitaceae Limnobium spongia (Bosc) Steud
Q Limnobium laevigatum South American spongeplant Hydrocharitaceae Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine
Q Limnophila indica ambulia Scrophulariaceae Limnophila indica (L.) Druce
A Linaria genistifolia ssp. dalmatica Dalmatian toadflax Scrophulariaceae Linaria genistifolia (L.) Mill. ssp. dalmatica (L.) Maire & Petitm.
non-rated Linaria vulgaris yellow toadflax Scrophulariaceae Linaria vulgaris Miller
non-rated Lythrum hyssopifolium hyssop loosestrife Lythraceae Lythrum hyssopifolium L.
B Lythrum salicaria purple loosestrife Lythraceae Lythrum salicaria L.
C Malvella leprosa alkali mallow Malvaceae Malvella leprosa (Orteg) Krapov.
B Muhlenbergia schreberi nimblewill Poaceae Muhlenbergia schreberi S. Gmelin
B Nothoscordum inodorum false garlic Liliaceae Nothoscordum inodorum (Ait.) G. Nicholson
B Nymphaea mexicana banana waterlily Nymphaeaceae Nymphaea mexicana Zucc.
Q Ononis alopecuroides foxtail restharrow Fabaceae Ononis alopecuroides L.
A Onopordum illyricum Illyrian thistle Asteraceae Onopordum illyricum L.
A Onopordum acanthium Scotch thistle Asteraceae Onopordum acanthium L.
A Onopordum tauricum Taurian thistle Asteraceae Onopordum tauricum Willd.
A Orobanche ramosa branched broomrape Orobanchaceae Orobanche ramosa L.
A Orobanche cooperi Cooper's broomrape Orobanchaceae Orobanche cooperi (A. Gray) A. Heller
B Oryza rufipogon perennial wild red rice Poaceae Oryza rufipogon Griff.
B Panicum antidotale blue panicgrass Poaceae Panicum antidotale Retz.
non-rated Panicum capillare witchgrass Poaceae Panicum capillare L.
A Peganum harmala harmel Zygophyllaceae Peganum harmala L.
non-rated Pennisetum setaceum crimson fountaingrass Poaceae Pennisetum setaceum (Forssk.) Chiov.
non-rated Pennisetum villosum feathertop Poaceae Pennisetum villosum R.Br. ex Fresen.
C Pennisetum clandestinum Kikuyugrass Poaceae Pennisetum clandestinum Chiov.
B Physalis viscosa grape groundcherry Solanaceae Physalis viscosa L.
A Physalis longifolia long-leaf groundcherry Solanaceae Physalis longifolia Nutt.
non-rated Physalis philadelphica tomatillo Solanaceae Physalis philadelphica Lam.
non-rated Physalis acutifolia Wright groundcherry Solanaceae Physalis acutifolia (Miers) Sandw.
Q Pistia stratiotes water lettuce Araceae  Pistia stratiotes L.
B Polygonum sachalinense giant knotweed Polygonaceae Polygonum sachalinense Maxim.
B Polygonum polystachyum Himalayan knotweed Polygonaceae Polygonum polystachyum C.F.W. Meissn.
B Polygonum cuspidatum Japanese knotweed Polygonaceae Polygonum cuspidatum Siebold & Zucc.
C Polygonum amphibium var. emersum kelp Polygonaceae Polygonum amphibium L. var. emersum Michx.
non-rated Polygonum persicaria ladysthumb Polygonaceae Polygonum persicaria L.
non-rated Polygonum lapathifolium pale smartweed Polygonaceae Polygonum lapathifolium L.
A Prosopis strombulifera creeping mesquite Fabaceae Prosopis strombulifera (Lam.) Benth.
non-rated Prosopis velutina velvet mesquite Fabaceae Prosopis velutina Wooton.
B Rorippa austriaca Austrian fieldcress Brassicaceae Rorippa austriaca (Crantz) Besser
Q Rorippa sylvestris creeping yellow fieldcress Brassicaceae Rorippa sylvestris (L.) Besser
non-rated Rorippa palustris marsh yellowcress Brassicaceae Rorippa palustris (L.) Besser
C Salsola paulsenii barbwire Russianthistle Chenopodiaceae Salsola paulsenii Litv.
C Salsola tragus common Russianthistle Chenopodiaceae Salsola tragus L.
Q Salsola collina spineless Russianthistle Chenopodiaceae Salsola collina Benth.
A Salsola vermiculata wormleaf salsola Chenopodiaceae Salsola damascena Botsch.
A Salvia virgata meadow sage Lamiaceae Salvia virgata L.
B Salvia aethiopis Mediterranean sage Lamiaceae Salvia aethiopis L.
Q Salvinia auriculata salvinia Salviniaceae Salvinia auriculata Aubl. complex
A Scolymus hispanicus golden thistle Asteraceae Scolymus hispanicus L.
non-rated Senecio vulgaris common groundsel Asteraceae Senecia vulgaris L.
B Senecio squalidus Oxford ragwort Asteraceae Senecio squalidus L.
B Senecio jacobaea tansy ragwort Asteraceae Senecio jacobaea L.
B Setaria faberi giant foxtail Poaceae Setaria faberi R. Herrm.
non-rated Setaria viridis green foxtail Poaceae Setaria viridis (L.) Beauv.
non-rated Setaria pumila yellow foxtail Poaceae Setaria pumila (Poiret) Roemer & Schultes
non-rated Solanum americanum American black nightshade Solanaceae Solanum americanum Mill.
non-rated Solanum nigrum black nightshade Solanaceae Solanum nigrum L.
B Solanum carolinense Carolina horsenettle Solanaceae Solanum carolinense L.
non-rated Solanum sarrachoides hairy nightshade Solanaceae Solanum sarrachoides Sendter
A Solanum cardiophyllum heartleaf nightshade Solanaceae Solanum cardiophyllum Lindl.
B Solanum lanceolatum lanceleaf nightshade Solanaceae Solanum lanceolatum Cav.
A Solanum dimidiatum Torrey's nightshade Solanaceae Solanum dimidiatum Raf.
B Solanum elaeagnifolium white horsenettle Solanaceae Solanum elaeagnifolium Cav.
B Solanum marginatum white-margined nightshade Solanaceae Solanum marginatum L. f.
A Sonchus arvensis perennial sowthistle Asteraceae Sonchus arvensis L.
C Sorghum halepense Johnsongrass Poaceae Sorghum halepense (L.) Pers.
non-rated Sorghum bicolor shattercane Poaceae Sorghum bicolor (L.) Moench
non-rated Spartium junceum Spanish broom Fabaceae Spartium junceum L.
A Sphaerophysa salsula Austrian peaweed Fabaceae Sphaerophysa salsula (Pall.) DC.
A Striga asiatica witchweed Scrophulariaceae Striga asiatica (L.) Kuntze
B Symphytum asperum rough comfrey Boraginaceae Symphytum asperum Lepechin
non-rated Symphytum officinale common comfrey Boraginaceae Symphytum officinale L.
C Taeniatherum caput-medusae medusahead Poaceae Taeniatherum caput-medusae (L.) Nevski
A Tagetes minuta wild marigold Asteraceae Tagetes minuta L.
C Tribulus terrestris puncturevine Zygophyllaceae Tribulus terrestris L.
B Ulex europaeus gorse Fabaceae Ulex europaeus L.
B Viscum album European mistletoe Viscaceae Viscum album L.
A Zygophyllum fabago Syrian beancaper Zygophyllaceae Zygophyllum fabago L.

More Data Sheets: