Scientific Namesort icon Common Name Type Subtype Extent Risk of Introduction First Source
Cynara cardunculus artichoke thistle plant herbaceous widespread n/a (already in CA) CDFA
Cynoglossum officinale houndstongue plant herbaceous limited n/a (already in CA) Cal-IPC list
Cyperus difformis variable flatsedge plant herbaceous limited n/a (already in CA) Weeds of CA
Cyperus rotundus purple nutsedge plant herbaceous widespread n/a (already in CA) CDFA
Daucus carota wild carrot plant herbaceous widespread n/a (already in CA) WA Weed List
Delairea odorata Cape-ivy plant herbaceous widespread n/a (already in CA) Cal-IPC list
Descurainia sophia flixweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Digitalis purpurea foxglove plant herbaceous limited n/a (already in CA) Cal-IPC list
Dipsacus fullonum common teasel plant herbaceous widespread n/a (already in CA) Cal-IPC list
Dipsacus laciniatus cutleaf teasel plant herbaceous not present high CO Weed List
Dipsacus sativus fuller's teasel plant herbaceous widespread n/a (already in CA) Cal-IPC list
Dittrichia graveolens stinkwort plant herbaceous widespread n/a (already in CA) Cal-IPC list
Drymaria arenarioides lightening weed plant herbaceous not present moderate USDA Plant/Pest
Echium candicans pride-of-Madeira plant herbaceous limited n/a (already in CA) Cal-IPC list
Echium plantagineum Paterson's curse plant herbaceous limited n/a (already in CA) OR Weed List
Echium vulgare common viper's bugloss plant herbaceous not present high WA Weed List
Egeria densa Brazilian egeria plant herbaceous widespread n/a (already in CA) Cal-IPC list
Eichhornia azurea anchored water hyacinth plant herbaceous not present low USDA Plant/Pest
Eichhornia crassipes water hyacinth plant herbaceous widespread n/a (already in CA) Cal-IPC list
Emex australis three-cornered jack plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Emex spinosa devil's-thorn plant herbaceous limited n/a (already in CA) Cal-IPC list
Epilobium hirsutum hairy willow herb plant herbaceous not present high WA Weed List
Erechtites glomerata Australian fireweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Erechtites minima Australian fireweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Erigeron karvinskianus Mexican daisy plant herbaceous limited n/a (already in CA) Med. plants list
Erodium botrys broadleaf filaree plant herbaceous widespread n/a (already in CA) Weeds of CA
Erodium cicutarium redstem filaree plant herbaceous widespread n/a (already in CA) Cal-IPC list
Erodium moschatum whitestem filaree plant herbaceous widespread n/a (already in CA) Weeds of CA
Euphorbia cyparissias cypress spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia dentata toothed spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia esula leafy spurge plant herbaceous limited n/a (already in CA) CDFA
Euphorbia myrsinites myrtle spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia oblongata oblong spurge plant herbaceous limited n/a (already in CA) CDFA
Euphorbia serrata serrate spurge plant herbaceous not present moderate CDFA
Euphorbia terracina carnation spurge plant herbaceous limited n/a (already in CA) CDFA
Fatoua villosa hairy crabwees plant herbaceous limited n/a (already in CA) CDFA
Foeniculum vulgare fennel plant herbaceous widespread n/a (already in CA) Cal-IPC list
Galega officinalis goatsrue plant herbaceous not present moderate USDA Plant/Pest
Gaura drummondii Drummond's gaura plant herbaceous limited n/a (already in CA) CDFA
Gaura sinuata wavy-leaved gaura plant herbaceous limited n/a (already in CA) CDFA
Geranium dissectum cutleaf geranium plant herbaceous widespread n/a (already in CA) Cal-IPC list
Geranium robertianum Herb-robert plant herbaceous limited n/a (already in CA) Med. plants list
Glossostigma diandrum mud mat plant herbaceous not present low WA Weed List
Gypsophila paniculata baby's breath plant herbaceous limited n/a (already in CA) CDFA
Halogeton glomeratus halogeton plant herbaceous limited n/a (already in CA) CDFA
Helianthus ciliaris blueweed plant herbaceous limited n/a (already in CA) CDFA
Heracleum mantegazzianum giant hogweed plant herbaceous not present high CDFA
Hesperis matronalis dame's rocket plant herbaceous limited n/a (already in CA) CO Weed List
Hieracium atratum polar hawkweed plant herbaceous not present low WA Weed List
Hieracium aurantiacum orange hawkweed plant herbaceous not present high WA Weed List
Hieracium caespitosum yellow hawkweed plant herbaceous not present high ID Weed List
Hieracium glomeratum queen devil hawkweed plant herbaceous not present low WA Weed List
Hieracium laevigatum smooth hawkweed plant herbaceous not present low WA Weed List
Hieracium pilosella mouseear hawkweed plant herbaceous not present moderate OR Weed List
Hieracium piloselloides king devil hawkweed plant herbaceous not present moderate MT Weed List
Hieracium x floribundum yellow devil hawkweed plant herbaceous not present moderate MT Weed List
Hirschfeldia incana shortpod mustard plant herbaceous widespread n/a (already in CA) Cal-IPC list
Homeria spp. cape tulip plant herbaceous not present low USDA Plant/Pest
Hydrilla verticillata hydrilla plant herbaceous limited n/a (already in CA) CDFA
Hydrocharis morsus-ranae European frog-bit plant herbaceous not present moderate WA Weed List
Hygrophila polysperma Miramar weed plant herbaceous not present high CDFA
Hyoscyamus niger black henbane plant herbaceous limited n/a (already in CA) CDFA
Hypericum perforatum common St. John's wort plant herbaceous widespread n/a (already in CA) CDFA
Hypochaeris glabra smooth catsear plant herbaceous widespread n/a (already in CA) CO Weed List
Hypochaeris radicata rough catsear plant herbaceous widespread n/a (already in CA) Cal-IPC list
Impatiens glandulifera policeman's helmet plant herbaceous not present moderate OR Weed List
Ipomoea aquatica swamp morningglory plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Ipomoea triloba three-cornered morning glory plant herbaceous limited n/a (already in CA) AZ Weed List
Isatis tinctoria dyer's woad plant herbaceous widespread n/a (already in CA) CDFA
Kickxia elatine sharpleaf cancerwort plant herbaceous widespread n/a (already in CA) Weeds of CA
Kochia scoparia kochia plant herbaceous widespread n/a (already in CA) Cal-IPC list
Lactuca serriola prickly lettuce plant herbaceous widespread n/a (already in CA) Weeds of CA
Lagarosiphon major oxygenweed plant herbaceous not present moderate CDFA
Lamium amplexicaule henbit deadnettle plant herbaceous widespread n/a (already in CA) Weeds of CA
Lepidium latifolium perennial pepperweed plant herbaceous widespread n/a (already in CA) CDFA
Lepyrodiclis holosteoides false jagged-chickweed plant herbaceous not present low WA Weed List
Lespedeza cuneata sericea lespedeza plant herbaceous not present moderate CO Weed List
Leucanthemum vulgare ox-eye daisy plant herbaceous widespread n/a (already in CA) Cal-IPC list
Limnobium laevigatum spongeplant plant herbaceous limited n/a (already in CA) CDFA
Limnophila indica ambulia plant herbaceous not present moderate CDFA
Limnophila sessiliflora blume (ambulia) plant herbaceous not present moderate CDFA
Linaria genistifolia ssp. dalmatica Dalmatian toadflax plant herbaceous limited n/a (already in CA) CDFA
Linaria vulgaris yellow toadflax plant herbaceous limited n/a (already in CA) Cal-IPC list
Lobularia maritima sweet alyssum plant herbaceous limited n/a (already in CA) Cal-IPC list
Ludwigia grandiflora large flower primrose willow plant herbaceous limited n/a (already in CA) WA Weed List
Ludwigia hexapetala Uruguay water-primrose plant herbaceous widespread n/a (already in CA) Cal-IPC list
Ludwigia peploides ssp. montevidensis creeping water-primrose plant herbaceous widespread n/a (already in CA) Cal-IPC list
Ludwigia peruviana water primrose plant herbaceous not present moderate CDFA
Lycium ferocissimum African boxthorn plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Lysimachia vulgaris garden loosestrife plant herbaceous not present high WA Weed List
Lythrum hyssopifolium hyssop loosestrife plant herbaceous widespread n/a (already in CA) Cal-IPC list
Lythrum salicaria purple loosestrife plant herbaceous limited n/a (already in CA) CDFA
Lythrum virgatum purple loosestrife plant herbaceous not present low MT Weed List
Malephora crocea coppery mesembryanthemum plant herbaceous limited n/a (already in CA) Med. plants list
Malva neglecta common mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva niaceensis bull mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva parviflora cheeseweed mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva sylvestris high mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Marrubium vulgare white horehound plant herbaceous widespread n/a (already in CA) Cal-IPC list
Medicago polymorpha California burclover plant herbaceous widespread n/a (already in CA) Cal-IPC list