CDFA Noxious Weed List

Invasive Species List Sources

This source is used to designate the following species as invasive.
Scientific Name Common Name Type Subtype Extent Risk of Introduction Link
Acacia paradoxa kangaroothorn plant woody limited n/a (already in CA)
Acaena novae-zelandiae biddy-biddy plant herbaceous limited n/a (already in CA)
Acaena pallida pale biddy-biddy plant herbaceous limited n/a (already in CA)
Achnatherum brachychaetum punagrass plant grass limited n/a (already in CA)
Aegilops ovata ovate goatgrass plant grass limited n/a (already in CA)
Aegilops triuncialis barb goatgrass plant grass widespread n/a (already in CA) View Scorecard
Aeschynomene rudis rough jointvetch plant woody limited n/a (already in CA)
Allium paniculatum panicled onion plant herbaceous limited n/a (already in CA)
Allium vineale wild garlic plant herbaceous limited n/a (already in CA)
Ambrosia trifida giant ragweed plant herbaceous limited n/a (already in CA)
Araujia sericifera bladderflower plant woody limited n/a (already in CA)
Arctotheca calendula (fertile) fertile capeweed plant herbaceous limited n/a (already in CA) View Scorecard
Arctotheca calendula (sterile) sterile capeweed plant herbaceous limited n/a (already in CA) View Scorecard
Cabomba caroliniana Carolina fanwort plant herbaceous limited n/a (already in CA) View Scorecard
Cardaria chalepensis lens-podded white-top plant herbaceous limited n/a (already in CA)
Cardaria draba hoary cress plant herbaceous widespread n/a (already in CA) View Scorecard
Cardaria pubescens hairy whitetop plant herbaceous limited n/a (already in CA)
Carduus acanthoides plumeless thistle plant herbaceous limited n/a (already in CA)
Carduus nutans musk thistle plant herbaceous limited n/a (already in CA) View Scorecard
Carduus pycnocephalus Italian thistle plant herbaceous widespread n/a (already in CA) View Scorecard
Carduus tenuiflorus slenderflower thistle plant herbaceous widespread n/a (already in CA)
Carthamus baeticus smooth distaff thistle plant herbaceous limited n/a (already in CA)
Carthamus lanatus woolly distaff thistle plant herbaceous widespread n/a (already in CA) View Scorecard
Carthamus leucocaulos whitestem distaff thistle plant herbaceous not present moderate
Cenchrus echinatus southern sandbur plant grass widespread n/a (already in CA)
Cenchrus incertus coast sandbur plant grass widespread n/a (already in CA)
Cenchrus longispinus mat sandbur plant grass widespread n/a (already in CA)
Centaurea calcitrapa purple starthistle plant herbaceous widespread n/a (already in CA) View Scorecard
Centaurea diffusa diffuse knapweed plant herbaceous limited n/a (already in CA) View Scorecard
Centaurea iberica Iberian starthistle plant herbaceous limited n/a (already in CA)
Centaurea melitensis Malta starthistle plant herbaceous widespread n/a (already in CA) View Scorecard
Centaurea solstitialis yellow starthistle plant herbaceous widespread n/a (already in CA) View Scorecard
Centaurea sulphurea Sicilian thistle plant herbaceous limited n/a (already in CA)
Chondrilla juncea rush skeletonweed plant herbaceous limited n/a (already in CA) View Scorecard
Chorispora tenella blue mustard plant herbaceous limited n/a (already in CA)
Cirsium arvense Canada thistle plant herbaceous widespread n/a (already in CA) View Scorecard
Cirsium japonicum Japanese thistle plant herbaceous not present low
Cirsium ochrocentrum yellowspine thistle plant herbaceous limited n/a (already in CA)
Cirsium undulatum wavyleaf thistle plant herbaceous limited n/a (already in CA)
Convolvulus arvensis field bindweed plant herbaceous widespread n/a (already in CA) View Scorecard
Coronopus squamatus swinecress plant herbaceous limited n/a (already in CA)
Crupina vulgaris common crupina plant herbaceous limited n/a (already in CA) View Scorecard
Cucumis melo var. duriam dudaim melon plant herbaceous limited n/a (already in CA)
Cucumis myriocarpus paddy melon plant herbaceous limited n/a (already in CA)
Cuscuta australis Australian dodder plant herbaceous not present low
Cuscuta japonica Japanese dodder plant herbaceous limited n/a (already in CA) View Scorecard
Cuscuta reflexa giant dodder plant herbaceous not present low
Cuscuta spp. (C. japonica, reflexa, australia, monogyna) Dodder (non-native spp.) plant herbaceous limited n/a (already in CA) View Scorecard
Cynara cardunculus artichoke thistle plant herbaceous widespread n/a (already in CA)
Cynodon dactylon bermudagrass plant grass widespread n/a (already in CA)
Cyperus rotundus purple nutsedge plant herbaceous widespread n/a (already in CA) View Scorecard
Cytisus scoparius Scotch broom plant woody widespread n/a (already in CA) View Scorecard
Elytrigia repens quackgrass plant grass widespread n/a (already in CA)
Euphorbia esula leafy spurge plant herbaceous limited n/a (already in CA) View Scorecard
Euphorbia oblongata oblong spurge plant herbaceous limited n/a (already in CA)
Euphorbia serrata serrate spurge plant herbaceous not present moderate
Euphorbia terracina carnation spurge plant herbaceous limited n/a (already in CA) View Scorecard
Fatoua villosa hairy crabwees plant herbaceous limited n/a (already in CA)
Gaura drummondii Drummond's gaura plant herbaceous limited n/a (already in CA)
Gaura sinuata wavy-leaved gaura plant herbaceous limited n/a (already in CA)
Genista monspessulana French broom plant woody widespread n/a (already in CA) View Scorecard
Gypsophila paniculata baby's breath plant herbaceous limited n/a (already in CA)
Halimodendron halodendron Russian salttree plant woody not present moderate
Halogeton glomeratus halogeton plant herbaceous limited n/a (already in CA) View Scorecard
Helianthus ciliaris blueweed plant herbaceous limited n/a (already in CA)
Heracleum mantegazzianum giant hogweed plant herbaceous not present high View Scorecard
Hydrilla verticillata hydrilla plant herbaceous limited n/a (already in CA) View Scorecard
Hygrophila polysperma Miramar weed plant herbaceous not present high View Scorecard
Hyoscyamus niger black henbane plant herbaceous limited n/a (already in CA)
Hypericum canariense Canary Island hypericum plant woody limited n/a (already in CA)
Hypericum perforatum common St. John's wort plant herbaceous widespread n/a (already in CA) View Scorecard
Isatis tinctoria dyer's woad plant herbaceous widespread n/a (already in CA) View Scorecard
Lagarosiphon major oxygen weed plant herbaceous not present moderate View Scorecard
Lepidium latifolium perennial pepperweed plant herbaceous widespread n/a (already in CA) View Scorecard
Limnobium laevigatum spongeplant plant herbaceous limited n/a (already in CA)
Limnophila indica ambulia plant herbaceous not present moderate
Limnophila sessiliflora blume (ambulia) plant herbaceous not present moderate
Linaria genistifolia ssp. dalmatica Dalmatian toadflax plant herbaceous limited n/a (already in CA) View Scorecard
Ludwigia peruviana water primrose plant herbaceous not present moderate
Lythrum salicaria purple loosestrife plant herbaceous limited n/a (already in CA) View Scorecard
Muhlenbergia schreberi nimblewill plant grass limited n/a (already in CA)
Myosoton aquaticum giant chickweed plant herbaceous not present moderate
Nothoscordum inodorum false garlic plant herbaceous limited n/a (already in CA)
Nymphaea mexicana banana waterlily plant herbaceous limited n/a (already in CA)
Ononis alopecuroides foxtail restharrow plant herbaceous limited n/a (already in CA)
Onopordum acanthium Scotch thistle plant herbaceous limited n/a (already in CA) View Scorecard
Onopordum illyricum Illyrian thistle plant herbaceous limited n/a (already in CA)
Onopordum tauricum Taurian thistle plant herbaceous limited n/a (already in CA)
Orobanche cooperi Cooper's broomrape plant herbaceous limited n/a (already in CA) View Scorecard
Orobanche ramosa branched broomrape plant herbaceous limited n/a (already in CA) View Scorecard
Oryza rufipogon red rice plant grass limited n/a (already in CA) View Scorecard
Panicum antidotale blue panicgrass plant grass limited n/a (already in CA)
Physalis longifolia long-leaf groundcherry plant herbaceous not present moderate
Physalis viscosa grape groundcherry plant herbaceous limited n/a (already in CA)
Polygonum cuspidatum Japanese knotweed plant woody limited n/a (already in CA) View Scorecard
Polygonum polystachyum Himalayan knotweed plant herbaceous limited n/a (already in CA)
Polygonum sachalinense Sakhalin knotweed plant herbaceous limited n/a (already in CA)
Pontederia cordata pickerelweed plant herbaceous not present moderate
Potentilla recta sulfur cinquefoil plant herbaceous limited n/a (already in CA) View Scorecard
Retama monosperma bridal broom plant woody limited n/a (already in CA)

Scorecards

These are the scorecards that are using this particular reference.

Scorecard Type Subtype Impact Ability to Respond Confidence Extent
Allaria petiolata Scorecard
garlic mustard 		plant herbaceous 12 / 35 16 / 25 High limited
Brassica tournefortii Scorecard
Saharan mustard 		plant herbaceous 13 / 35 9 / 25 High limited
Centaurea diffusa Scorecard
diffuse knapweed 		plant herbaceous 13 / 35 13 / 25 Medium limited
Hieracium aurantiacum Scorecard
orange hawkweed 		plant herbaceous 15 / 35 14 / 25 Medium not present
Potentilla Recta- Scorecard
sulfur cinquefoil 		plant herbaceous 14 / 35 13 / 25 Medium limited
Salvia aethiopis Scorecard
Mediterranean sage 		plant herbaceous 0 / 35 0 / 25 High limited