Invasive Plant Species List for Benton County

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1 Brazilian Elodea Egeria densa aquatic not listed C water bodies habitat EDRR Strategy Actions target audience hyperlink European waterchestnut Trapa natans aquatic A A water bodies, Floating primrose-willow Ludwigia peploides aquatic B B water bodies Flowering rush Butomus umbellatus aquatic A A water bodies,, volunteer /Contractor Hydrilla Hydrilla verticillata aquatic A A water bodies Large-flowered primrose willow Invasive Species List for Ludwigia grandiflora aquatic B B water bodies Water primrose Ludwigia hexapetala aquatic B B water bodies Yellow Floating Heart Nymphoides peltata aquatic A A water bodies, volunteer / Yellow flag iris Iris pseudacorus aquatic B B water bodies, coastal areas volunteer Eurasian watermilfoil Myriophyllum spicatum aquatic B B water bodies Parrot feather Myriophyllum aquaticum aquatic B B water bodies recreationists, realtors s/alien/pubs/midatlantic/t rna.htm DA/PLANT/WEEDS/doc s/pdf/trifold_waterprimro se.pdf Ands/noxiousweeds/weedidentification/floweringrush.aspx rograms/wq/plants/weed s/aqua001.html DA/PLANT/WEEDS/doc s/pdf/trifold_waterprimro se.pdf DA/PLANT/WEEDS/doc s/pdf/trifold_waterprimro se.pdf rograms/wq/plants/weed s/floatingheart.html detail.asp?weed= rograms/wq/plants/weed s/aqua003.html Frog's-bit Limnobium spongia aquatic watch list water bodies E& O, as/wr_l/limnobium.pdf

2 Invasive Species List for Quackgrass Elymus repens grass C Medusahead rye Taeniatherum caput-medusae grass B C Hare barley Hordeum murinum grass C Mediterranean barley Hordeum hystrix grass C Ripgut Bromus diandrus grass? C Downy brome Bromus tectorum grass? C Soft chess Bromus hordeaceus grass C habitat EDRR Strategy Actions target audience hyperlink from priority areas, na.edu/plant/topics/wee DS022.HTM /mdr/past/bmnri/publicati ons/weeds/medusahead rye.shtml te.edu/xmlui/bitstream/h andle/1957/25835/haavi stojessical2012.pdf?se quence=1 from Andy H.: I have it as Hordeum marinum ssp. gussoneanum. There are some descriptions/photos in the DiTomaso Weeds of California book/cd that you may be able to use. I ll think about links to management info?? wwh/pdf/19652.pdf draft created but not published Velvet grass Holcus lanatus grass C

3 Invasive Species List for German mesquite Holcus mollis grass C habitat EDRR Strategy Actions target audience hyperlink Rattail fescue Vulpia myuros grass C Tall oat grass Arrhenatherum elatius grass C Ventenata grass or Africa wire grass Ventenata dubia grass watch list Barbed goat grass Aegilops triuncialis grass A B commercial ag lands agriculture Common Reed Phragmites australis ssp. australis grass A A riparian areas False brome Brachypodium sylvaticum grass B C rights-of-way, forests Giant reed Arundo donax grass watch list B riparian areas contractor / from priority areas, nursery trade forestry, public land managers, recreationists, rural residential, urban residents, educators/students, natural resource managers, botanists and river recreationists, community groups e.edu/~wilsomar/pdf/w C_Mgmt_recomm.pdf DA/PLANT/WEEDS/doc s/pdf/ra_barbedgoatgras s2013.pdf s/common-reed.pdf Ands/noxiousweeds/weedidentification/falsebrome.aspx s/giant-reed.pdf

4 Invasive Species List for habitat EDRR Strategy Actions target audience hyperlink Pampas or Jubata Grass Cortaderia spp. grass Jubata - B Pampas - not listed B riparian areas, uplands Reed Canarygrass Phalaris arundinacea grass not listed C riparian areas Biddy-biddy Acaena novae-zelandiae herb B A disturbed lands Brazilian Verbena Verbena bonariensis herb B Thistle, bull Cirsium vulgare herb B C Thistle, Canada Cirsium arvense herb B C meadows, riparian areas, disturbed lands, wetlands, gardens disturbed lands, meadows, rights-of-way disturbed lands, meadows, rights-of-way from priority areas from priority areas from priority areas forestry, gardeners educators/student groups, agriculture gardeners, community groups recreationists, gardeners agriculture, forestry, educators/ students agriculture, forestry, educators/ students Coltsfoot Tussilago farfara herb A A gardens. riparian areas agriculture, gardeners Cutleaf Teasel Dipsacus laciniatus herb B A rights-of-way, meadows, disturbed lands, commercial ag, from priority areas recreationists,agriculture, rural residential wwh/pdf/19648.pdf h lant/ipc/weedinfo/acaena.htm as/wr_v/verbena_bonari ensis.pdf lump all thistles for outreach s/bull-thistle.pdf s/canadian-thistle.pdf base/feis/plants/forb/tusf ar/all.html cs/satellite?blobcol=urld ata&blobheader=applica tion%2fpdf&blobkey=id &blobtable=mungoblobs &blobwhere= &ssbinary=true Dalmatian toadflax Linaria dalmatica ssp. dalmatica herb B B Dyer's woad Isatis tinctoria herb B A rights-of-way, meadows, disturbed lands, commercial volunteer, ag, biocontrol rights-of-way, gravel bars, gardens Evergreen bugloss Pentaglottis sempervirens herb B uplands, meadows volunteer agriculture botanists, gardeners agriculture, public land managers, gardeners s/dalmatian-toadflax.pdf s/dyers_woad.pdf no control info avlb

5 Invasive Species List for Garlic Mustard Alliaria petiolata herb B A Goats Rue Galega officinalis herb A habitat EDRR Strategy Actions target audience hyperlink forests, rights-of-way, gardens waterways, meadows, rights-of- way, & wetlands. Starthistle, Iberian Centaurea iberica herb A A meadows, rights-of-way agriculture Hawkweed, king devil Hieracium piloselloides herb A A forests, meadows, rights-ofway volunteer / gardeners, forestry, recreationists, botanists, agriculture, public land managers rural residential, nursery trade pop in Philomath near the Woodsman & railroad track s/garlic_mustard.pdf s/goats-rue.pdf as/wr_c/centaurea_calc itrapa-iberica.pdf es.wa.gov/documents/pr iorities/hawkweed_facts heet.pdf Knapweed, spotted Centaurea stoebe herb B B rights-of-way, gravel bars, meadows volunteer, contractor recreationists v/dnrp/library/water-andland/weeds/bmps/spott ed-knapweedcontrol.pdf knotweeds Polygonum cuspidatum, Polygonum x. bohemica, Polygonum sachalinense, Polygonum polystachyum herb B B riparian areas Leafy Spurge Euphorbia esula herb B A meadows Lesser Celandine Ranunculus ficaria herb B B gardens volunteer, contractor gardeners, recreationists, nursery trade, educators/students recreationists rural residential v/dnrp/library/water-andland/weeds/bmps/knot weed-controlcorrected.pdf N/LeafySpurgeMN.pdf s/lesser-celandine.pdf Hawkweed, meadow Hieracium pratense herb A A forests, meadows, rights-ofway volunteer / rural residential v/dnrp/library/water-andland/weeds/bmps/hawk weed-control.pdf

6 Invasive Species List for Buttercup Ranunculus spp. herb C Knapweed, meadow Centaurea pratensis herb B C habitat EDRR Strategy Actions target audience hyperlink, gardens disturbed lands, rights-ofway, meadows E & O, containment and from priority areas, urban residents, gardeners agriculture, recreationists, rural residential, community groups a.us/tcweeds/docs/facts heet-knapweedmeadow.pdf Hawkweed, mouse ear Hieracium pilosella herb A A forests, meadows, rights-ofway Oblong or eggleaf spurge Euphorbia oblongata herb A A forests, gardens Hawkweed, orange Hieracium aurantiacum herb A A oxeye daisy Leucanthemum vulgare herb not listed C meadows forests, meadows, rights-ofway volunteer / volunteer / from priority areas gardeners, rural residential, urban residents, forestry forestry, public land managers Paterson's curse Echium plantagineum herb A A meadows agriculture gardeners, public land managers, urban residents, rural residential v/dnrp/library/water-andland/weeds/bmps/hawk weed-control.pdf lant/ipc/weedinfo/euphor bia.htm s/orangehawkweed%20.pdf te.edu/xmlui/bitstream/h andle/1957/20802/pnw6 02-e.pdf Poison Hemlock Conium maculatum herb B C riparian areas, rights-of-way forests, meadows, disturbed lands, rights-ofway, Pokeweed Phytolacca americana herb watch list A gardens from priority areas botanists, urban residents, recreationists botanists, nursery trade, urban residents, rural residential v/dnrp/library/water-andland/weeds/brochures/p oison- Hemlock_factsheet.pdf s/poison-hemlock.pdf as/wr_p/phytolacca.pdf

7 Invasive Species List for habitat EDRR Strategy Actions target audience hyperlink Policeman s Helmet Impatiens glandulifera herb B B gardens, riparian areas Purple Loosestrife Lythrum salicaria herb B B riparian areas volunteer, contractor gardeners, recreationists, gardeners, recreationists, purple loosestrife Nutsedge, purple Cyperus rotundus sedge A A commercial ag lands botanists, agriculture agriculture, public land Nutsedge, yellow Cyperus esculentus sedge C riparian areas, gravel bars managers A A Starthistle, purple Centaurea calcitrapa herb meadows agriculture Spotted Jewelweed Impatiens capensis herb B riparian, gardens gardeners, recreationists disturbed lands, meadows, agriculture, St Johns wort Hypericum perforatum herb B C rights-of-way, uplands from priority areas educators/students gardens, commercial ag Sulfur cinquefoil Potentilla recta herb B B lands, meadows gardeners, agriculture Tansy ragwort Senecio jacobaea herb B C Thistle, Italian Carduus pycnocephalus herb B B Thistle, Scotch Onopordum acanthium herb B A rightsof-way, disturbed lands, meadows disturbed lands, meadows, rights-of-way disturbed lands, meadows, rights-of-way from priority areas biocontrol, report sightings and volunteer / agriculture, recreationists, rural residential botanists, public land managers, agriculture, recreationists, rural residential, community groups, educators/students agriculture, recreationists, rural residential, community groups, botanists v/dnrp/library/water-andland/weeds/bmps/police mans-helmet-control.pdf s/purple-loosestrife.pdf a global top 5 weedintensive ag, nursery containers, row crops, rice production edu/pmg/pestnotes/ pn7432.html Control information not available at this time. detail.asp?weed=75 Potentilla_recta Carduus_pycnocephalu s not an issue s/scotch_thistle.pdf

8 Invasive Species List for Thistle, Woolly Distaff Carthamus lanatus herb A A yellow archangel Lamiastrum galeobdolon herb watch list B Starthistle, yellow Centaurea solstitialis herb A A Giant Hogweed Heracleum mantegazzianum herb A A Wild carrot Daucus carota herb C Prickly lettuce Lactuca serriola herb C Velvet leaf Abutilon theophrasti herb C Sharp point fluellin Kickxia elatine herb C Dog fennel or mayweed chamomile Anthemis cupaniana herb C Dodder Cuscuta spp. herb C Spurge Laurel Daphne laureola shrub B B forests habitat EDRR Strategy Actions target audience hyperlink disturbed lands, meadows, rights-of-way gardens, riparian areas, forests, disturbed lands meadows, uplands, gravel bars, commercial ag lands disturbed lands, riparian areas, gardens livestock feeding areas, rights-of-way, meadows livestock feeding areas, rights-of-way, meadows livestock feeding areas, rights-of-way, meadows wetland, commercial ag lands, livestock feeding areas livestock feeding areas, rights-of-way, meadows commercial ag land, gardens, volunteer volunteer / volunteer / agriculture, public land managers, recreationists, botanists recreationists, gardeners, forestry, nursery trade, community groups recreationists, public land managers, agriculture rural residential, recreationists realtors, public land managers, forestry, gardeners, recreationists lant/ipc/weedinfo/cartha mus.htm Ands/noxiousweeds/weedidentification/yellowarchangel.aspx s/giant-hogweed.pdf Ands/noxiousweeds/weedidentification/spurgelaurel.aspx DA/PLANT/weeds/Page s/profile_spurgelaurel.as px

9 Invasive Species List for Blackberry Rubus bifrons shrub B C Blackberry Rubus laciniatus shrub not listed C Blackberry Rubus vestitus shrub not listed C habitat EDRR Strategy Actions target audience hyperlink disturbed lands, forests, gardens, gravel bars, meadows, riparian areas, rights-of-way, uplands, wetlands disturbed lands, forests, gardens, gravel bars, meadows, riparian areas, rights-of-way, uplands, wetlands disturbed lands, forests, gardens, gravel bars, meadows, riparian areas, rights-of-way, uplands, wetlands, containment & educators/student groups educators/student groups educators/student groups Ands/noxiousweeds/weedidentification/blackberry. aspx Ands/noxiousweeds/weedidentification/blackberry. aspx Ands/noxiousweeds/weedidentification/blackberry. aspx Broom, Spanish Spartium junceum shrub B A French broom Genista monspessulana shrub B A rights-of-way, disturbed lands, riparian, gravel bars rights-of-way, disturbed lands, riparian, gravel bars volunteer, grants volunteer, contractor, grants forestry, recreationists forestry, recreationists v/dnrp/library/water-andland/weeds/bmps/spani sh-broom-control.pdf Cytisus_scoparius pcw/pages/detailreport.c fm@usernumber=52&su rveynumber=182.php Gorse Ulex europaeus shrub B A disturbed lands, rights-ofway, meadows Indigo bush Amorpha fruticosa shrub A riparian areas, wetlands Portuguese broom Cytisus striatus shrub B A rights-of-way, disturbed lands, riparian, gravel bars volunteer, contractor,, local, report sightings and management to volunteer /Contractor / grants forestry, recreationists forestry, recreationists v/dnrp/library/water-andland/weeds/bmps/gorsecontrol.pdf as/wr_a/amorpha.pdf pcw/pages/detailreport.c fm@usernumber=40&su rveynumber=182.php

10 Invasive Species List for Scotch Broom Cytisus scoparius shrub B C Spanish heath Erica lusitanica shrub B A English Ivy Hedera helix vine B C Field bindweed Convolvulus arvensis vine B C Kudzu Pueraria lobata vine mile-a-minute Persicaria perfoliata vine watch list A A A habitat EDRR Strategy Actions target audience hyperlink rights-of-way, disturbed lands, riparian, gravel bars from priority areas forestry, recreationists Cytisus_scoparius disturbed lands, rights-ofway, forests, gardens volunteer forestry, recreationists forests, riparian areas, gardeners, community gardens, disturbed lands from priority areas groups, educators/students h gardens, commercial ag lands, meadows from priority areas gardeners s/field_bindweed.pdf forests botanists, community groups s/kudzu.pdf likes moist soil forestry, public land s/mile-aminute_weed.pdf meadows, forests, gardens managers, gardeners Old Man's Beard Clematis vitalba vine B B Perennial peavine Lathyrus latifolius vine B C Puncturevine Tribulus terrestris vine B C forests, riparian areas, gardens, disturbed lands rights-of-way, disturbed lands, gardens rightsof-way, disturbed lands from priority areas realtors, public land managers, forestry, gardeners, nursery trade, educators/students, community groups gardeners agriculture, recreationists, v/dnrp/library/water-andland/weeds/bmps/oldmans-beard-clematisvitalba-control.pdf as/wr_l/lathyrus.pdf

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