Scientific Name Common Name Typesort icon Subtype Extent Risk of Introduction First Source
Phragmites australis common reed plant grass limited n/a (already in CA) Cal-IPC list
Zygophyllum fabago Syrian beancaper plant herbaceous limited n/a (already in CA) CDFA
Arctium minus common burdock plant herbaceous limited n/a (already in CA) CO Weed List
Oryza rufipogon red rice plant grass limited n/a (already in CA) CDFA
Caulerpa taxifolia Mediterranean strain plant algae limited high OR Weed List
Euphorbia serrata serrate spurge plant herbaceous not present moderate CDFA
Halimodendron halodendron Russian salttree plant woody not present moderate CDFA
Helianthus ciliaris blueweed plant herbaceous limited n/a (already in CA) CDFA
Salsola collina spineless Russian thistle plant herbaceous not present high CDFA
Salsola vermiculata wormleaf salsola plant herbaceous not present low CDFA
Salvia virgata southern meadow sage plant herbaceous not present moderate CDFA
Scolymus hispanicus golden thistle plant herbaceous limited n/a (already in CA) CDFA
Senecio squalidus Oxford ragwort plant herbaceous not present low CDFA
Solanum cardiophyllum heartleaf nightshade plant herbaceous not present low CDFA
Solanum dimidiatum Torrey's nightshade plant herbaceous limited n/a (already in CA) CDFA
Solanum marginatum white-margined nightshade plant woody limited n/a (already in CA) CDFA
Sonchus arvensis perennial sowthistle plant herbaceous limited n/a (already in CA) CDFA
Sphaerophysa salsula Austrian peaweed plant herbaceous limited n/a (already in CA) CDFA
Striga asiatica witchweed plant herbaceous not present moderate CDFA
Tagetes minuta wild marigold plant herbaceous not present moderate CDFA
Abutilon theophrasti velvet leaf plant herbaceous widespread n/a (already in CA) Weeds of CA
Acroptilon repens Russian knapweed plant herbaceous widespread n/a (already in CA) MT Weed List
Aegilops triuncialis barb goatgrass plant grass widespread n/a (already in CA) CDFA
Ageratina adenophora croftonweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Agrostis avenacea Pacific bentgrass plant grass limited n/a (already in CA) Cal-IPC list
Agrostis stolonifera creeping bentgrass plant grass limited n/a (already in CA) Cal-IPC list
Ailanthus altissima tree-of-heaven plant woody widespread n/a (already in CA) Cal-IPC list
Amaranthus albus prostrate pigweed plant herbaceous widespread n/a (already in CA) Weeds of CA
Amaranthus hybridus slim amaranth plant herbaceous widespread n/a (already in CA) Weeds of CA
Amaranthus retroflexus redroot amaranth plant herbaceous widespread n/a (already in CA) Weeds of CA
Ammophila arenaria European beachgrass plant grass widespread n/a (already in CA) Cal-IPC list
Anoda cristata spurred anoda plant herbaceous limited n/a (already in CA) CO Weed List
Anthemis cotula mayweed chamomile plant herbaceous widespread n/a (already in CA) CO Weed List
Anthoxanthum odoratum sweet vernalgrass plant grass widespread n/a (already in CA) Cal-IPC list
Arctotheca calendula (sterile) sterile capeweed plant herbaceous limited n/a (already in CA) CDFA
Arundo donax giant reed plant grass widespread n/a (already in CA) Cal-IPC list
Atriplex semibaccata Australian saltbush plant herbaceous widespread n/a (already in CA) Cal-IPC list
Avena barbata slender wild oat plant grass widespread n/a (already in CA) Cal-IPC list
Avena fatua wild oat plant grass widespread n/a (already in CA) Cal-IPC list
Bassia hyssopifolia fivehook bassia plant herbaceous limited n/a (already in CA) Cal-IPC list
Bellardia trixago bellardia plant herbaceous limited n/a (already in CA) Cal-IPC list
Brassica nigra black mustard plant herbaceous widespread n/a (already in CA) Cal-IPC list
Brassica rapa birdsrape mustard plant herbaceous widespread n/a (already in CA) Cal-IPC list
Brassica tournefortii Saharan mustard plant herbaceous limited n/a (already in CA) Cal-IPC list
Briza maxima big quackingrass plant grass widespread n/a (already in CA) Cal-IPC list
Bromus diandrus ripgut brome plant grass widespread n/a (already in CA) Cal-IPC list
Bromus hordeaceus soft brome plant grass widespread n/a (already in CA) Cal-IPC list
Bromus japonicus Japanese brome plant grass widespread n/a (already in CA) Cal-IPC list
Bromus madritensis ssp. rubens red brome plant grass widespread n/a (already in CA) Cal-IPC list
Bromus tectorum downy brome plant grass widespread n/a (already in CA) Cal-IPC list
Cabomba caroliniana Carolina fanwort plant herbaceous limited n/a (already in CA) CDFA
Cakile maritima European sea-rocket plant herbaceous widespread n/a (already in CA) Cal-IPC list
Capsella bursa-pastoris shepard's purse plant herbaceous widespread n/a (already in CA) Weeds of CA
Cardaria draba hoary cress plant herbaceous widespread n/a (already in CA) CDFA
Cardaria pubescens hairy whitetop plant herbaceous limited n/a (already in CA) CDFA
Carduus pycnocephalus Italian thistle plant herbaceous widespread n/a (already in CA) CDFA
Carduus tenuiflorus slenderflower thistle plant herbaceous widespread n/a (already in CA) CDFA
Carpobrotus edulis iceplant plant herbaceous widespread n/a (already in CA) Cal-IPC list
Carthamus lanatus woolly distaff thistle plant herbaceous widespread n/a (already in CA) CDFA
Cenchrus echinatus southern sandbur plant grass widespread n/a (already in CA) CDFA
Centaurea calcitrapa purple starthistle plant herbaceous widespread n/a (already in CA) CDFA
Centaurea debeauxii meadow knapweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Centaurea diffusa diffuse knapweed plant herbaceous limited n/a (already in CA) CDFA
Centaurea melitensis Malta starthistle plant herbaceous widespread n/a (already in CA) CDFA
Centaurea solstitialis yellow starthistle plant herbaceous widespread n/a (already in CA) CDFA
Centaurea virgata ssp. Squarrosa squarrose knapweed plant herbaceous limited n/a (already in CA) Cal-IPC list
Chrysanthemum coronarium crown daisy plant herbaceous limited n/a (already in CA) Cal-IPC list
Cichorium intybus chicory plant herbaceous widespread n/a (already in CA) CO Weed List
Cirsium arvense Canada thistle plant herbaceous widespread n/a (already in CA) CDFA
Cirsium vulgare bull thistle plant herbaceous widespread n/a (already in CA) Cal-IPC list
Conicosia pugioniformis narrowleaf iceplant plant herbaceous limited n/a (already in CA) Cal-IPC list
Conium maculatum poison-hemlock plant herbaceous widespread n/a (already in CA) Cal-IPC list
Convolvulus arvensis field bindweed plant herbaceous widespread n/a (already in CA) CDFA
Conyza bonariensis asthmaweed plant herbaceous widespread n/a (already in CA) Weeds of CA
Cortaderia jubata jubatagrass plant grass widespread n/a (already in CA) Cal-IPC list
Cortaderia selloana pampasgrass plant grass widespread n/a (already in CA) Cal-IPC list
Cotoneaster franchetii orange cotoneaster plant woody limited n/a (already in CA) Cal-IPC list
Cotoneaster lacteus Parney's cotoneaster plant woody limited n/a (already in CA) Cal-IPC list
Cotoneaster pannosus silverleaf cotoneaster plant woody limited n/a (already in CA) Cal-IPC list
Cotula coronopifolia brassbuttons plant herbaceous widespread n/a (already in CA) Cal-IPC list
Crataegus monogyna hawthorn plant woody limited n/a (already in CA) Cal-IPC list
Cynara cardunculus artichoke thistle plant herbaceous widespread n/a (already in CA) CDFA
Cynodon dactylon bermudagrass plant grass widespread n/a (already in CA) CDFA
Cynoglossum officinale houndstongue plant herbaceous limited n/a (already in CA) Cal-IPC list
Cynosurus echinatus hedgehog dogtailgrass plant grass widespread 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
Cytisus scoparius Scotch broom plant woody widespread n/a (already in CA) CDFA
Cytisus striatus Portuguese broom plant woody limited n/a (already in CA) Cal-IPC list
Dactylis glomerata orchardgrass plant grass widespread n/a (already in CA) Cal-IPC list
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
Digitaria sanguinalis hairy crabgrass plant grass widespread n/a (already in CA) Weeds of CA
Dipsacus fullonum common teasel plant herbaceous widespread n/a (already in CA) Cal-IPC 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
Echinochloa colona jungle rice plant grass widespread n/a (already in CA) Weeds of CA
Echinochloa oryzicola early watergrass plant grass limited n/a (already in CA) Weeds of CA