"EDRR", "A", or "B" Designated Weeds - Baker County Weed District - Noxious Weed List 2020-2021
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Baker County Weed District - Noxious Weed List 2020-2021 “EDRR”, “A”, or “B” Designated Weeds All Listed Weeds are Eligible for Cost-Share “Early Detection/Rapid Response (EDRR) ” – Not Present in Baker County or Very Few Known Sites: Controlled at the expense of the Baker County Weed District which includes inventorying, treating, monitoring, and other follow-up activities. African rue (T)* Peganum harmala +Black henbane Hyoscyamus niger Broom French* Genista monspessulana Portuguese* (T) Cytisus striatus Scotch*^ Cytisus scoparius Spanish* Spartium jundeum Buffalobur* Solanum rostratum Butterfly bush* Buddleja davidii (B. variabilis) Camelthorn* Alhagi pseudalhagi Cape-ivy* Delairea odoraata Common bugloss** Anchusa officinalis Common frogbit* Hydrocharis morsus-ranae Common reed* Phragmities australis spp. Australis Cordgrass Common* Spartina anglica Dense-flower* (T) Spartina desiflora Saltmeadow*(T) Spartina patens Smotth* (T) Spartina alterniflora Creeping yellow cress* Rorippa sylvestris Cutleaf teasel* Dipsacus laciniatus Delta arrowhead* (T) Sagittaria platyphyla Dodder Smoothseed alfalfa* Cuscuta approimata Five-angled* Cuscuta pentogona Bigseed* Cuscuta indecora Dyers Woad* Istasis tinctoria Eurasian watermilfoil* Myriophyllum spicatum European water chestnut* Trapa natans False broom* Brachypodium sylvaticum Flowering rush* (T) Butomus umbellatus Garlic mustard* (T) Alliaria petiolata Garden yellow loosestrife*(T) Lysimachia vulgaris Geranium Herb Robert* Geranium robertianum Shiny leaf* Geraniium lucidum Giant hogweed* (T) Heacleum mantegazzianum Underlined Plants – Prior to 2020/2021 Aquatic Plants light colored (T) Designated weed high priority from ODA and Baker County *State A Listing (not currently found in Baker County) ** State B Listing ^ BioControl Insects Available + Baker County Only
Baker County Weed District - Noxious Weed List 2020-2021 Goatgrass Barbed* (T) Aegilops triuncialis Ovate* Aegilops ovata Gorse* (T) Ulex europaeus Halogeton* Halogeton glomeratus Hawkweed King-devil* Hieracium piloselloides Meadow** (T) Pilosella caespitosum (Hieracium) Mouse-ear* (T) Hieracium pilosella Orange* (T) Hieracium aurantiacum Yellow* (T) Hieracium floribundum Hoary alyssum* (T) Berteroa incana Hydrilla* (T) Hydrilla verticillata Ivy Atlantic* Hedera Hibernica English* Hedera helix Japanese dodder* Cuscuta japonica Johnsongrass** Sorgum halepense Jubata grass** Cortaderia jubata Knotweed Bohemian** Fallopia x bohemica Giant** Fallopia sachalinensis (Polygonum) Himalayan** Polyfonuym polystachyum Japanese** Fallopia japonica (Polygonum) Kudzu* (T) Pueraria lobate Matgrass* (T) Nardus stricta Meadow knapweed** Centaurea pratensis Mediterranean sage**^ Salvia aethiopis Oblong spurge (T) Euphorbia oblongata Old man’s beard** Clematis vitalba Parrot feather milfoil** Myrophylklum aquaticum Paterson’s curse* (Viper’s bugloss)(T) Echium plantagineum Perennial peavine** Lathyrus latifolius Pheasants eye** Adonis aestivalis Policeman’s helmet** Impatiens glandulifera Purple nutsedge* Cuyperus rotundus Purple loosestrife**^ Lythrum salicaria Primrose willow Large-flower** (T) Ludwifia grandiflora Water primrose** (T) Lundwigia hexapetqala Floating**(T) Ludwigia peploides Ragweed* Ambrosia artemisiifolia Ravennagrass* (T) Saccharum elaeagnifolium Small broomrape** Orabanche minor South American waterweed** Egeria densa (Elodea) Spanish heath** Erica lusitanica Spiny cocklebur** Xanthiu spinosum Spikeweed** Hemizonia pungens Spurge laurel** Daphne laureola Squarrose knapweed** (T) Centurea virgate Underlined Plants – Prior to 2020/2021 Aquatic Plants light colored (T) Designated weed high priority from ODA and Baker County *State A Listing (not currently found in Baker County) ** State B Listing ^ BioControl Insects Available + Baker County Only
Baker County Weed District - Noxious Weed List 2020-2021 Starthistle Iberian* (T) Centaurea iberica Purple* (T) Centaurea calcitrapa Syrian bean-caper* Zygophyllum fabago Thistle Italian** Darduus pycnocephalus Milk**^ Silybum marianum Musk**^ Carduus nutans Plumless* (T) Carduus acanthoides Slenderflower**^ Carduus tenuiflorus Smooth distaff* Carthamus baeticus Taurian* (T) Carduus tauricum +Turkish* Carduus cinereus Welted (curley plumeless)*(T) Carduus crispus Woolly distaff* (T) Carthamus lanatus Velvetleaf** Abutilon theophrasti Water solders Stratiotes aloides Whitetop Hairy** Lepidium pubescens Lens-podded** Lepidium chalepensis West Indian spongeplant Limnobium laevigatum White bryonia Bryonia alba Yellow archangel** Lamiastrum galeobdolon Yellow floating heart (T) Nymphoides peltata Yellow nutsedge** Cyperus esculentus Yellowtuft (T) Alyssum murale, A. corsium Underlined Plants – Prior to 2020/2021 Aquatic Plants light colored (T) Designated weed high priority from ODA and Baker County *State A Listing (not currently found in Baker County) ** State B Listing ^ BioControl Insects Available + Baker County Only
Baker County Weed District - Noxious Weed List 2020-2021 “A” Designated Weeds – Mandatory Control County-wide and eligible for 50% Cost-Share Herbicide Refund. A weed of known economic importance which occurs in the state/county in small enough infestations to make eradication or containment possible; or is not known to occur, but its presence in neighboring counties make future occurring in Baker County eminent. Recommended action: Infestations are subject to eradication or intensive control when and where found. Buffalobur (T)** Solanum rostratum Common crupina (T)** Crupina vulgaris Hoary cress (Whitetop)** Lepidium draba Hoary cress (Whitetop) is listed as an “A” weed in designated areas of the County. Pine Valley, Baker Valley, Ebell Creek, Sutton Creek, Bowen Valley, and Sumpter areas are Mandatory Control. Contact Baker County Weed Control for specific information at 541-523-0618. +Horseweed (Mare’s tail) (T) Erigeron canadensis Houndstongue (T) Cynoglossum officinale Knapweed Diffuse (T)**^ Centaurea diffusa Russian (T)**^ Acroptiloon repens Spotted (T)**^ Centaurea maculosa Leafy spurge (T)**^ Euphorbia esula + Oxeye daisy (T) Leucanthemum vulgare Perennial pepperweed (T)** Lepidium latifolium Poison hemlock (T)^ Conium maculatum +Queen Ann’s lace (Wild carrot) Daucus carota Rush skeletonweed (T)**^ Chondrilla juncea Salt Cedar**^ Tamarix ramosissima +Scentless chamomile (T) Tripleurospermum maritimum Tansy ragwort (T)** Senecio jacobaea Yellowflag iris (T)** Iris pseudacorus Yellow starthistle (T)** Centaurea solstitialis Yellow toadflax (T) Linaria vulgaris Underlined Plants – Prior to 2020/2021 Aquatic Plants light colored (T) Designated weed high priority from ODA and Baker County *State A Listing (not currently found in Baker County) ** State B Listing ^ BioControl Insects Available + Baker County Only
Baker County Weed District - Noxious Weed List 2020-2021 “B” Designated Weeds Widespread and of Concern. Eligible for 50% Cost-Share Herbicide Refund. A weed of economic importance which is regionally abundant, but which may have limited distribution is some areas. Recommended action: Limited to control at the county or regional level as determined on a site specific, case-by-case basis. Where implementation of a fully integrated countywide management plan is not feasible, biological insect control (when available) shall be the primary control method. + Chicory Cichorium intybus + Common mullein Verbascum thapsis + Common Tansy (T) Tanacetum vulgare Dalmation Toadflax Linaria dalmatica Field bindweed**^ (Morningglory) Convolvulus arvensis +FullersTeasel (Common) Dipsacus fullonum Hoary cress (Whitetop) Lepidium draba NOTE!: Hoary cress is a “B” weed in all other areas of the County not listed in the above section. Contact Baker County Weed Control for specific information at 541-523-0618 Indigo bush Amorpha fruticose Jointed goatgrass Aegilops cylindrical Medusahead wildrye Taeniatherum caput-medusae Myrtle spurge Euphorbia myrsinites Puncturevine^ Tribulus terrestris Reed canary grass (Ribbongrass) (T)** Phalaris arundinadea var. Picta Russian thistle ** Salsola iberica St. Johnswort^ (Klamathweed) Hypericum perforatum Sulfur cinquefoil Potentilla recta Thistle Bull Cirsium vulgare Canada Cirsium arvense Scotch Onopordum acanthium Tree of Heaven Ailanthus altissima Ventenata (African wiregrass)** Ventenata dubia Underlined Plants – Prior to 2020/2021 Aquatic Plants light colored (T) Designated weed high priority from ODA and Baker County *State A Listing (not currently found in Baker County) ** State B Listing ^ BioControl Insects Available + Baker County Only
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