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Attachment K Northwest Oregon District Noxious and Invasive Weed List for Contract Mapping
12/23/2024
| Common Name |
| Code |
| Scientific Name |
| Mapping Intensity |
| Canada thistle |
| CIAR4 |
| Cirsium arvense |
| Low |
| Bull thistle |
| CIVU |
| Cirsium vulgare |
| Low |
| Poison hemlock |
| COMA2 |
| Conium maculatum |
| Low |
| Field bindweed |
| COAR4 |
| Convolvulus arvensis |
| Low |
| Cutleaf teasel |
| DILA4 |
| Dipsacus laciniatus |
| Low |
| St. Johnswort |
| HYPE |
| Hypericum perforatum |
| Low |
| Tansy ragwort |
| SEJA |
| Senecio jacobaea |
| Low |
| False brome |
| BRSY |
| Brachypodium sylvaticum |
| High |
| Meadow knapweed |
| CEPR2 |
| Centaurea xpratensis, (xmoncktonii, xgerstlaueri) |
| High |
| Scotch broom |
| CYSC4 |
| Cytisus scoparius |
| High |
| South American waterweed |
| EGDE |
| Egeria densa (Elodea densa) |
| High |
| Japanese knotweed |
| FAJA2 |
| Fallopia japonica |
| High |
| Giant knotweed |
| FASA3 |
| Fallopia sachalinensis |
| High |
| Hybrid knotweed |
| FABO |
| Fallopia x bohemicum (japonica x sachalinensis) |
| High |
| Shining cranesbill |
| GELU |
| Geranium lucidum |
| High |
| Herb robert |
| GERO |
| Geranium robertianum |
| High |
| English and Irish ivy |
| HEHE |
| Hedera helix |
| High |
| English holly |
| ILAQ80 |
| Ilex aquifolium |
| High |
| Policeman's helmet |
| IMGL |
| Impatiens glandulifera |
| High |
| Yellow flag iris |
| IRPS |
| Iris pseudacorus |
| High |
| Perennial peavine |
| LALA4 |
| Lathyrus latifolius |
| High |
| Parrot's feather |
| MYAQ2 |
| Myriophyllum aquaticum |
| High |
| Reed canary grass |
| PHAR3 |
| Phalaris arundinacea |
| High |
| English laurel |
| PRLA5 |
| Prunus laurocerasus |
| High |
| Himalayan (Armenian) blackberry |
| RUAR9 |
| Rubus armeniacus (bifrons) |
| High |
| Evergreen blackberry |
| RULA |
| Rubus laciniatus |
| High |
| European blackberry |
| RUVE |
| Rubus vestitus |
| High |
| Gorse |
| ULEU |
| Ulex europaeus |
| High |
| Bigleaf Periwinkle |
| VIMA |
| Vinca major |
| High |
| Russian Knapweed |
| ACRE3 |
| Acroptilon repens |
| EDRR |
| Tree of Brooklyn/Heaven |
| AIAL |
| Ailanthus altissima |
| EDRR |
| Garlic Mustard |
| ALPE4 |
| Alliaria petiolata |
| EDRR |
| Common bugloss |
| ANOF |
| Anchusa officinalis |
| EDRR |
| Butterfly bush |
| BUDA2 |
| Buddleja davidii (variabilis) |
| EDRR |
| Yellow Starthistle |
| CESO3 |
| Centaurea solstitialis |
| EDRR |
| Spotted Knapweed |
| CEST8 |
| Centaurea stoebe (maculosa) |
| EDRR |
| Old man's beard |
| CLVI6 |
| Clematis vitalba |
| EDRR |
| Pampas or jubata grass |
| COJU2 |
| Cortaderia jubata |
| EDRR |
| Houndstongue |
| CYOF |
| Cynoglossum officinale |
| EDRR |
| Portuguese Broom |
| CYST7 |
| Cytisus striatus |
| EDRR |
| Spurge Laurel |
| DALA11 |
| Daphne laureola |
| EDRR |
| Patterson's curse |
| ECPL |
| Echium plantagineum |
| EDRR |
| French broom |
| GEMO2 |
| Genista monspessulana |
| EDRR |
| Irish (Atlantic) ivy |
| HEHI12 |
| Hedera hibernica |
| EDRR |
| Giant hogweed |
| HEMA17 |
| Heracleum mantegazzianum |
| EDRR |
| Purple loosestrife |
| LYSA2 |
| Lythrum salicaria |
| EDRR |
| Yellow floating heart |
| NYPE |
| Nymphoides peltata |
| EDRR |
| Harding grass |
| PHAQ |
| Phalaris aquatica |
| EDRR |
| Kudzu |
| PULO |
| Pueraria lobata |
| EDRR |
| Spanish broom |
| SPJU2 |
| Spartium junceum |
| EDRR |
This list may change during the course of the contract to accommodate changes in the status of species. Species may be added or deleted from this list. Any other ODA Noxious Weeds newly discovered would also be treated as EDRR species.