California Invasive Plant Inventory (Cal-IPC 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
Myriophyllum spicatum Eurasian watermilfoil plant herbaceous widespread n/a (already in CA) View Scorecard
Nicotiana glauca tree tobacco plant woody widespread n/a (already in CA)
Olea europaea olive plant woody limited n/a (already in CA) View Scorecard
Oxalis pes-caprae Bermuda buttercup plant herbaceous widespread n/a (already in CA)
Parentucellia viscosa yellow glandweed plant herbaceous limited n/a (already in CA) View Scorecard
Pennisetum setaceum crimson fountaingrass plant grass widespread n/a (already in CA) View Scorecard
Phalaris aquatica hardinggrass plant grass widespread n/a (already in CA)
Phragmites australis common reed plant grass limited n/a (already in CA)
Phytolacca americana common pokeweed plant herbaceous widespread n/a (already in CA) View Scorecard
Picris echioides bristly oxtongue plant herbaceous widespread n/a (already in CA)
Piptatherum miliaceum smilograss plant grass widespread n/a (already in CA)
Plantago lanceolata buckhorn plantain plant herbaceous widespread n/a (already in CA)
Poa pratensis Kentucky bluegrass plant grass widespread n/a (already in CA)
Polypogon monspeliensis and subspp. rabbitfoot polypogon plant grass widespread n/a (already in CA)
Potamogeton crispus curlyleaf pondweed plant herbaceous widespread n/a (already in CA) View Scorecard
Prunus cerasifera cherry plum plant woody widespread n/a (already in CA)
Pyracantha angustifolia pyracantha plant woody limited n/a (already in CA)
Pyracantha coccinea pyracantha plant woody limited n/a (already in CA)
Pyracantha crenulata pyracantha plant woody limited n/a (already in CA)
Ranunculus repens creeping buttercup plant herbaceous widespread n/a (already in CA)
Raphanus sativus radish plant herbaceous widespread n/a (already in CA) View Scorecard
Ricinus communis castor bean plant herbaceous widespread n/a (already in CA) View Scorecard
Robinia pseudoacacia black locust plant woody limited n/a (already in CA) View Scorecard
Rumex acetosella red sorrel plant herbaceous widespread n/a (already in CA)
Rumex crispus curly dock plant herbaceous widespread n/a (already in CA)
Saccharum ravennae ravennagrass plant grass limited n/a (already in CA)
Salsola soda oppositeleaf Russian thistle plant herbaceous limited n/a (already in CA)
Salvinia molesta giant salvinia plant herbaceous limited n/a (already in CA) View Scorecard
Sapium sebiferum Chinese tallowtree plant woody limited n/a (already in CA) View Scorecard
Saponaria officinalis bouncingbet plant herbaceous limited n/a (already in CA)
Schinus molle Peruvian peppertree plant woody limited n/a (already in CA) View Scorecard
Schinus terebinthifolius Brazilian peppertree plant woody limited n/a (already in CA) View Scorecard
Schismus arabicus mediterraneangrass plant grass widespread n/a (already in CA)
Schismus barbatus mediterraneangrass plant grass widespread n/a (already in CA)
Sesbania punicea red sesbania plant woody limited n/a (already in CA) View Scorecard
Silybum marianum blessed milkthistle plant herbaceous widespread n/a (already in CA)
Sinapis arvensis wild mustard plant herbaceous widespread n/a (already in CA)
Sisymbrium irio London rocket plant herbaceous widespread n/a (already in CA)
Spartina alterniflora smooth cordgrass and hybrids plant grass limited n/a (already in CA)
Spartina alterniflora x foliosa hybrids smooth cordgrass and hybrids plant grass limited n/a (already in CA) View Scorecard
Spartina anglica common cordgrass plant grass limited n/a (already in CA)
Spartina densiflora dense-flowered cordgrass plant grass limited n/a (already in CA)
Spartina patens saltmeadow cord grass plant grass limited n/a (already in CA)
Spartium junceum Spanish broom plant woody widespread n/a (already in CA)
Stipa capensis Mediterranean steppegrass plant grass limited n/a (already in CA) View Scorecard
Tamarix aphylla athel tamarisk plant woody limited n/a (already in CA) View Scorecard
Tamarix parviflora smallflower tamarisk plant woody widespread n/a (already in CA) View Scorecard
Tamarix ramosissima saltcedar plant woody widespread n/a (already in CA) View Scorecard
Tanacetum vulgare common tansy plant herbaceous limited n/a (already in CA)
Torilis arvensis hedgeparsley plant herbaceous widespread n/a (already in CA)
Trifolium hirtum rose clover plant herbaceous widespread n/a (already in CA)
Undaria pinnatifida wakame plant algae widespread n/a (already in CA) View Scorecard
Ventenata dubia North African Wiregrass plant limited n/a (already in CA) View Scorecard
Verbascum thapsus common mullein plant herbaceous widespread n/a (already in CA)
Verbena litoralis tall vervain plant herbaceous widespread n/a (already in CA)
Vinca major big periwinkle plant herbaceous widespread n/a (already in CA) View Scorecard
Vulpia myuros rattail fescue plant grass widespread n/a (already in CA)
Washingtonia robusta Mexican fan palm plant woody limited n/a (already in CA) View Scorecard
Watsonia meriana bulbil watsonia plant herbaceous limited n/a (already in CA)
Zantedeschia aethiopica calla lily plant herbaceous limited n/a (already in CA) View Scorecard