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Appendix C Noxious and Invasive Weed Lists for Wyoming, Utah, Nevada, and Oregon
Wyoming Noxious and Invasive Weed Species
WYOMING NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-1 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-1 Noxious Weed Species in Wyoming
Scientific Name Common Name
Acroptilon repens L. Russian knapweed
Ambrosia tomentosa Nutt. Skeletonleaf bursage
Arctium minus (Hill) Bernh. Common burdock
Cardaria draba & Cardaria pubescens (L.) Desv. Hoary cress (whitetop)
Carduus acanthoides L. Plumeless thistle
Carduus nutans L. Musk thistle
Centaurea diffusa Lam. Diffuse knapweed
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Spotted knapweed
Cirsium arvense L. Canada thistle
Convolvulus arvensis L. Field bindweed
Cynoglossum officinale L. Houndstongue
Elaeagnus angustifolia L. Russian olive
Elymus repens (L.) Gould. Quackgrass
Euphorbia esula L. Leafy spurge
Hypericum perforatum L. Common St. Johnswort
Isatis tinctoria L. Dyer's woad
Lepidium latifolium L. Perennial pepperweed (giant whitetop)
Leucanthemum vulgare Lam. Ox-eye daisy
Linaria dalmatica (L.) Mill. Dalmatian toadflax
Linaria vulgaris (P.) Mill Yellow toadflax
Lythrum salicaria L. Purple loosestrife
Onopordum acanthium L. Scotch thistle
Sonchus arvensis L. Perennial sowthistle
Tamarix spp. Saltcedar
Tanacetum vulgare Common Tansy
Source: Wyoming Weed and Pest Council. 2012. “Wyoming Weed & Pest Control Act Designated List.” http://www.wyoweed.org/statelist.html. Accessed on December 12, 2012.
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-2 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-2 Invasive Weed Species in Lincoln County, Wyoming
Scientific Name Common Name
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis gigantea Roth redtop
Arctium lappa L. great burdock
Arctium minus Bernh. common burdock
Arenaria serpyllifolia L. thymeleaf sandwort
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Avena fatua L. wild oat
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Berteroa incana (L.) DC hoary alyssum
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus tectorum L. cheatgrass
Buglossoides arvensis (L.) I.M. Johnston corn gromwell
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Carduus nutans L. musk thistle
Carum carvi L. common caraway
Centaurea diffusa Lam. diffuse knapweed
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chondrilla juncea L. rush skeletonweed
Chorispora tenella (Pallas) DC. blue mustard
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Convolvulus arvensis L. field bindweed
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Descurainia sophia (L.) Webb ex Prantl flixweed
WYOMING NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-3 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-2 Invasive Weed Species in Lincoln County, Wyoming
Scientific Name Common Name
Elymus repens (L.) Gould quackgrass
Erodium cicutarium (L.) L'Hér. ex Ait. redstem filaree
Euphorbia esula L. leafy spurge
Festuca arundinacea Schreb. tall fescue
Festuca pratensis Huds. meadow fescue
Galium mollugo L. smooth bedstraw
Glyceria grandis var. grandis S. Watson American mannagrass
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hesperis matronalis L. damesrocket
Hyoscyamus niger L. black henbane
Hypericum perforatum L. common St. Johnswort
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Linaria dalmatica (L.) P. Mill. Dalmatian toadflax
Linaria dalmatica ssp. dalmatica (L.) P. Mill. dalmatian toadflax
Linaria vulgaris P. Mill. yellow toadflax
Lolium perenne L. perennial ryegrass
Lonicera tatarica L. Tatarian honeysuckle
Lotus corniculatus L. birdsfoot trefoil
Malcolmia africana (L.) Ait. f. Malcolm stock
Malus pumila P. Mill. paradise apple
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Melilotus officinalis (L.) Lam. yellow sweetclover
Nasturtium officinale Ait. f. watercress
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-4 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-2 Invasive Weed Species in Lincoln County, Wyoming
Scientific Name Common Name
Onopordum acanthium L. Scotch thistle
Persicaria maculosa S.F. Gray ladysthumb
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Plantago lanceolata L. buckhorn plantain
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Poa trivialis L. roughstalk bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Potentilla recta L. sulfur cinquefoil
Ranunculus acris L. tall buttercup
Ranunculus repens L. creeping buttercup
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Rumex stenophyllus Ledeb. narrowleaf dock
Salix fragilis L. crack willow
Salsola tragus L. Russian-thistle
Saponaria officinalis L. bouncingbet
Senecio vulgaris L. common groundsel
Silene latifolia Poir. white campion
Silene latifolia ssp. alba (Mill.) Greuter & Burdet bladder campion
Sinapis arvensis L. wild mustard
Sisymbrium altissimum L. tumble mustard
Solanum physalifolium Rusby hairy nightshade
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. arvensis L. field sowthistle
Sonchus arvensis ssp. uliginosus (M. Bieb.) Nyman moist sowthistle
Stellaria pallida (Dumort.) Crépin common chickweed
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix ramosissima Ledeb. saltcedar
WYOMING NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-5 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-2 Invasive Weed Species in Lincoln County, Wyoming
Scientific Name Common Name
Tanacetum vulgare L. common tansy
Taraxacum laevigatum (Willd.) DC. rock dandelion
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tragopogon lamottei L. meadow salsify
Tragopogon porrifolius L. common salsify
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Tripleurospermum maritimum ssp. inodorum (L.) Appleq. mayweed
Tripleurospermum perforatum (Merat) M. Lainz false chamomile
Verbascum thapsus L. common mullein
Veronica biloba L. twolobe speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Source: EDDMapS. 2012. “Species found in Lincoln County, Wyoming.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_wy_56023. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Lincoln County, Wyoming but are exotic to the U.S. and listed as a problem somewhere in the U.S.
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-6 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-3 Invasive Weed Species in Uinta County, Wyoming
Scientific Name Common Name
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Anthemis cotula L stinking chamomile
Arctium minus Bernh. common burdock
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Bromus inermis Leyss. smooth brome
Bromus tectorum L. cheatgrass
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Carduus nutans L. musk thistle
Centaurea diffusa Lam. diffuse knapweed
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Centaurea virgata Lam. squarrose knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Convolvulus arvensis L. field bindweed
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Daucus carota L. Queen Anne's lace, wild carrot
Descurainia sophia (L.) Webb ex Prantl flixweed
Echium vulgare L. blueweed
Elaeagnus angustifolia L. Russian-olive
Elymus repens (L.) Gould quackgrass
Euphorbia esula L. leafy spurge
Festuca pratensis Huds. meadow fescue
Glyceria grandis var. grandis S. Watson American mannagrass
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hyoscyamus niger L. black henbane
Isatis tinctoria L. Dyer's woad
WYOMING NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-7 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-3 Invasive Weed Species in Uinta County, Wyoming
Scientific Name Common Name
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Linaria vulgaris P. Mill. yellow toadflax
Malcolmia africana (L.) Ait. f. Malcolm stock
Malva neglecta Wallr. common mallow
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Melilotus officinalis (L.) Lam. yellow sweetclover
Onopordum acanthium L. Scotch thistle
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Potentilla recta L. sulfur cinquefoil
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rosa eglanteria L. sweetbriar rose
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Rumex stenophyllus Ledeb. narrowleaf dock
Salsola tragus L. Russian-thistle
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Sisymbrium altissimum L. tumble mustard
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. uliginosus (M. Bieb.) Nyman moist sowthistle
Sonchus asper (L.) Hill spiny sowthistle
Stellaria pallida (Dumort.) Crépin common chickweed
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-8 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-3 Invasive Weed Species in Uinta County, Wyoming
Scientific Name Common Name
Tamarix chinensis Lour. fivestamen tamarisk
Taraxacum laevigatum (Willd.) DC. rock dandelion
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tribulus terrestris L. puncturevine
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Tripleurospermum maritimum ssp. inodorum (L.) Appleq. mayweed
Tripleurospermum perforatum (Merat) M. Lainz false chamomile
Verbascum thapsus L. common mullein
Veronica biloba L. twolobe speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Source: EDDMapS. 2012. “Species found in Uinta County, Wyoming.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_wy_56041. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Uinta County, Wyoming but are exotic to the U.S. and listed as a problem somewhere in the U.S.
Utah Noxious and Invasive Weed Species
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-11 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-4
Noxious Weed Species in Utah Scientific Name Common Name State Designation*
Acroptilon repens Russian Knapweed B
Cardaria draba Hoary Cress B
Carduus nutans Musk Thistle B
Centaurea diffusa Diffuse Knapweed A
Centaurea solstitialis Yellow Starthistle A
Centaurea stoebe miranthos Spotted Knapweed A
Centaureas virgata squarrosa Squarrose Knapweed B
Chrysanthemum leucanthemum L. Oxeye Daisy A
Cirsium arvense Canada Thistle C
Conium maculatum Poison Hemlock B
Convolvulus arvensis Field Bindweed C
Cynodon dactylon Bermudagrass B
Cynoglossum officinale Houndstongue C
Elymus repens Quackgrass C
Euphorbia esula Leafy Spurge A
Hyoscyamus niger Black Henbane A
Hypericum perforatum St. Johnswort A
Isatis tinctoria Dyer's Woad B
Lepidium latifolium Perennial Pepperweed B
Linaria genistifolia Dalmatian Toadflax B
Linaria vulgaris Yellow Toadflax A
Lythrum salicaria Purple Loosestrife A
Onopordum acanthium Scotch Thistle B
Potentilla recta Sulfur Cinquefoil A
Sorghum halepense Johnsongrass A
Taeniantherum caputmeusae Medusahead A
Tamarix ramosissima Saltcedar C
* Class A weeds have a relatively low population size within the State and are of highest priority being an Early Detection Rapid Response (EDRR) weed.
Class B weeds have a moderate population throughout the State and generally are thought to be controllable in most areas.
Class C weeds are found extensively in the State and are thought to be beyond control. Statewide efforts would generally be towards containment of smaller infestations.
Source: Utah Weed Control Association. 2012. “Utah’s Noxious Weed List.” http://www.utahweed.org/weeds.htm. Accessed on December 12, 2012.
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-12 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-5 Invasive Weed Species in Box Elder County, Utah
Scientific Name Subject Name
Aegilops cylindrica Host jointed goatgrass
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis gigantea Roth redtop
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Ambrosia artemisiifolia L. common ragweed
Ambrosia artemisiifolia var. elatior (L.) Descourtils annual ragweed
Anchusa azurea P. Mill. Italian bugloss
Anthemis cotula L stinking chamomile
Apera interrupta (L.) Beauv. interrupted windgrass
Arctium minus Bernh. common burdock
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Asparagus officinalis L. asparagus
Avena fatua L. wild oat
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Brassica juncea (L.) Czern Indian mustard
Brassica nigra (L.) W.D.J. Koch black mustard
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus rubens L. red brome
Bromus tectorum L. cheatgrass
Bryonia alba L. white bryony
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Carduus nutans L. musk thistle
Carum carvi L. common caraway
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-13 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-5 Invasive Weed Species in Box Elder County, Utah
Scientific Name Subject Name
Centaurea diffusa Lam. diffuse knapweed
Centaurea solstitialis L. yellow starthistle
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Conium maculatum L. poison-hemlock
Convolvulus arvensis L. field bindweed
Cuscuta approximata Bab. smallseed alfalfa dodder
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Descurainia sophia (L.) Webb ex Prantl flixweed
Dipsacus fullonum L. common teasel
Dipsacus laciniatus L. cutleaf teasel
Draba verna L. spring whitlowgrass
Echinochloa crus-galli (L.) Beauv barnyardgrass
Elaeagnus angustifolia L. Russian-olive
Elymus repens (L.) Gould quackgrass
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Erodium cicutarium ssp. cicutarium (L.) L’Hér. ex Aiton redstem stork's bill
Euphorbia esula L. leafy spurge
Festuca pratensis Huds. meadow fescue
Glechoma hederacea L. ground ivy
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hibiscus trionum L. Venice mallow
Hordeum marinum Huds. seaside barley
Hyoscyamus niger L. black henbane
Hypericum perforatum L. common St. Johnswort
Isatis tinctoria L. Dyer's woad
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-14 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-5 Invasive Weed Species in Box Elder County, Utah
Scientific Name Subject Name
Kerria japonica (L.) DC. Japanese rose
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Lolium perenne L. perennial ryegrass
Lonicera tatarica L. Tatarian honeysuckle
Lotus corniculatus L. birdsfoot trefoil
Lythrum salicaria L. purple loosestrife
Malcolmia africana (L.) Ait. f. Malcolm stock
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Medicago sativa L. alfalfa
Melilotus officinalis (L.) Lam. yellow sweetclover
Mentha spicata L. spearmint
Nasturtium officinale Ait. f. watercress
Nepeta cataria L. catnip
Onopordum acanthium L. Scotch thistle
Pastinaca sativa L. wild parsnip
Persicaria maculosa S.F. Gray ladysthumb
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Phragmites australis australis (Cav.) Trin. ex Steud. common reed
Plantago lanceolata L. buckhorn plantain
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Potamogeton crispus L. curlyleaf pondweed
Ranunculus acris L. tall buttercup
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-15 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-5 Invasive Weed Species in Box Elder County, Utah
Scientific Name Subject Name
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Rumex stenophyllus Ledeb. narrowleaf dock
Salix babylonica L. weeping willow
Salix fragilis L. crack willow
Salix matsudana Koidzumi corkscrew willow
Salsola paulsenii Litv. barbwire Russian-thistle
Salsola tragus L. Russian-thistle
Saponaria officinalis L. bouncingbet
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Sinapis arvensis L. wild mustard
Sisymbrium altissimum L. tumble mustard
Solanum dulcamara L. bittersweet nightshade
Sonchus arvensis L. perennial sowthistle
Sonchus asper (L.) Hill spiny sowthistle
Sorghum halepense (L.) Pers. johnsongrass
Stellaria pallida (Dumort.) Crépin common chickweed
Taeniatherum caput-medusae (L.) Nevski medusahead
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix ramosissima Ledeb. saltcedar
Tamarix spp. L. tamarisk
Tanacetum vulgare L. common tansy
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tribulus terrestris L. puncturevine
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Ulmus pumila L. Siberian elm
POST-RESTORATION MONITORING REPORT RUBY PIPELINE POST-RESTORATION MONITORING PROJECT, WYOMING, UTAH, NEVADA, AND OREGON
C-16 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-5 Invasive Weed Species in Box Elder County, Utah
Scientific Name Subject Name
Verbascum blattaria L. moth mullein
Verbascum thapsus L. common mullein
Veronica biloba L. twolobe speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Vicia villosa Roth hairy vetch
Source: EDDMapS. 2012. “Species found in Box Elder County, Utah.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_ut_49003. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Box Elder County, Utah but are exotic to the U.S. and listed as a problem somewhere in the U.S.
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-17 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Aegilops cylindrica Host jointed goatgrass
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Ajuga reptans L. carpet bugle
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Ambrosia artemisiifolia L. common ragweed
Ambrosia artemisiifolia var. elatior (L.) Descourtils annual ragweed
Anchusa azurea P. Mill. Italian bugloss
Anthemis cotula L stinking chamomile
Apera interrupta (L.) Beauv. interrupted windgrass
Arctium minus Bernh. common burdock
Arenaria serpyllifolia L. thymeleaf sandwort
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Artemisia absinthium L. absinth wormwood
Avena fatua L. wild oat
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Berteroa incana (L.) DC hoary alyssum
Brassica nigra (L.) W.D.J. Koch black mustard
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus secalinus L. rye brome
Bromus tectorum L. cheatgrass
Bryonia alba L. white bryony
Buglossoides arvensis (L.) I.M. Johnston corn gromwell
Camelina microcarpa DC. smallseed falseflax
Campanula rapunculoides L. creeping bellflower
Cannabis sativa L marijuana
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Carduus nutans L. musk thistle
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C-18 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Carum carvi L. common caraway
Centaurea cyanus L. cornflower
Centaurea diffusa Lam. diffuse knapweed
Centaurea solstitialis L. yellow starthistle
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cichorium intybus L. chicory
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Clematis orientalis L. oriental virginsbower
Conium maculatum L. poison-hemlock
Convolvulus arvensis L. field bindweed
Crataegus monogyna Jacq. English hawthorn
Cuscuta approximata Bab. smallseed alfalfa dodder
Cynodon dactylon (L.) Pers bermudagrass
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Daucus carota L. Queen Anne's lace, wild carrot
Descurainia sophia (L.) Webb ex Prantl flixweed
Dipsacus fullonum L. common teasel
Dipsacus spp. L. teasel
Draba verna L. spring whitlowgrass
Echinochloa crus-galli (L.) Beauv barnyardgrass
Elaeagnus angustifolia L. Russian-olive
Eleusine indica (L.) Gaertn. goosegrass
Elymus repens (L.) Gould quackgrass
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Eragrostis curvula (Schrad.) Nees weeping lovegrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Erodium cicutarium ssp. cicutarium (L.) L’Hér. ex Aiton redstem stork's bill
Euphorbia cyparissias L. cypress spurge
Euphorbia esula L. leafy spurge
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-19 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Euphorbia myrsinites L. myrtle spurge
Euphorbia peplus L. petty spurge
Fallopia convolvulus L. wild buckwheat
Festuca perennis (L.) Columbus & J.P. Sm. Italian ryegrass
Festuca pratensis Huds. meadow fescue
Galega officinalis L. goatsrue
Glechoma hederacea L. ground ivy
Glyceria grandis var. grandis S. Watson American mannagrass
Gypsophila paniculata L babysbreath
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hesperis matronalis L. damesrocket
Hibiscus trionum L. Venice mallow
Holcus lanatus L. common velvetgrass
Hordeum marinum Huds. seaside barley
Hordeum murinum L. mouse barley
Hyoscyamus niger L. black henbane
Hypericum perforatum L. common St. Johnswort
Isatis tinctoria L. Dyer's woad
Kerria japonica (L.) DC. Japanese rose
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Koelreuteria paniculata Laxm. goldenrain tree
Lactuca serriola L. prickly lettuce
Lamium amplexicaule L. henbit
Lamium purpureum L. purple deadnettle
Lathyrus latifolius L. everlasting peavine
Leonurus cardiaca L. motherwort
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Linaria dalmatica (L.) P. Mill. Dalmatian toadflax
Linaria dalmatica ssp. dalmatica (L.) P. Mill. dalmatian toadflax
Lolium perenne L. perennial ryegrass
Lotus corniculatus L. birdsfoot trefoil
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C-20 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Lunaria annua L. annual honesty
Lysimachia arvensis (L.) U. Manns & A. Anderb. scarlet pimpernel
Lythrum salicaria L. purple loosestrife
Malcolmia africana (L.) Ait. f. Malcolm stock
Malus pumila P. Mill. paradise apple
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Melilotus officinalis (L.) Lam. yellow sweetclover
Mentha spicata L. spearmint
Morus alba L. white mulberry
Myosotis scorpioides L. true forget-me-not
Nasturtium officinale Ait. f. watercress
Nepeta cataria L. catnip
Onopordum acanthium L. Scotch thistle
Panicum miliaceum L. wild-proso millet
Pastinaca sativa L. wild parsnip
Pennisetum ciliare (L.) Link buffelgrass
Persicaria maculosa S.F. Gray ladysthumb
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Phragmites australis australis (Cav.) Trin. ex Steud. common reed
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Poa trivialis L. roughstalk bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Potamogeton crispus L. curlyleaf pondweed
Ranunculus acris L. tall buttercup
Ranunculus repens L. creeping buttercup
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rosa canina L. dog rose
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-21 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Rosa eglanteria L. sweetbriar rose
Rosa multiflora Thunb. ex Murr. multiflora rose
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Salix fragilis L. crack willow
Salsola paulsenii Litv. barbwire Russian-thistle
Salsola tragus L. Russian-thistle
Saponaria officinalis L. bouncingbet
Securigera varia (L.) Lassen crownvetch
Senecio vulgaris L. common groundsel
Setaria pumila (Poir.) Roemer & J.A. Schultes yellow foxtail
Setaria verticillata (L.) Beauv. bristly foxtail
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Silene latifolia Poir. white campion
Silene latifolia ssp. alba (Mill.) Greuter & Burdet bladder campion
Silene noctiflora L. nightflowering catchfly
Sinapis arvensis L. wild mustard
Sisymbrium altissimum L. tumble mustard
Solanum dulcamara L. bittersweet nightshade
Solanum physalifolium Rusby hairy nightshade
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. arvensis L. field sowthistle
Sonchus arvensis ssp. uliginosus (M. Bieb.) Nyman moist sowthistle
Sonchus asper (L.) Hill spiny sowthistle
Sonchus oleraceus L. annual sowthistle
Stellaria pallida (Dumort.) Crépin common chickweed
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix spp. L. tamarisk
Taraxacum laevigatum (Willd.) DC. rock dandelion
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass
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C-22 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-6 Invasive Weed Species in Cache County, Utah
Scientific Name Common Name
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tragopogon porrifolius L. common salsify
Tribulus terrestris L. puncturevine
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Verbascum blattaria L. moth mullein
Verbascum thapsus L. common mullein
Veronica arvensis L. corn speedwell
Veronica biloba L. twolobe speedwell
Veronica hederifolia L. ivyleaf speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Vicia villosa Roth hairy vetch
Vinca minor L. common periwinkle
Vulpia bromoides (L.) S.F. Gray squirreltail fescue
Source: EDDMapS. 2012. “Species found in Cache County, Utah.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_ut_49005. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Cache County, Utah but are exotic to the U.S. and listed as a problem somewhere in the U.S.
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-23 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-7 Invasive Weed Species in Rich County, Utah
Scientific Name Common Name
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Alyssum alyssoides (L.) L yellow alyssum
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Arctium minus Bernh. common burdock
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Artemisia absinthium L. absinth wormwood
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Brassica nigra (L.) W.D.J. Koch black mustard
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus inermis Leyss. smooth brome
Bromus tectorum L. cheatgrass
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Carduus nutans L. musk thistle
Centaurea diffusa Lam. diffuse knapweed
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Conium maculatum L. poison-hemlock
Convolvulus arvensis L. field bindweed
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Descurainia sophia (L.) Webb ex Prantl flixweed
Dianthus armeria L. Deptford pink
Dipsacus fullonum L. common teasel
Draba verna L. spring whitlowgrass
Elaeagnus angustifolia L. Russian-olive
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C-24 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-7 Invasive Weed Species in Rich County, Utah
Scientific Name Common Name
Eleusine indica (L.) Gaertn. goosegrass
Elymus repens (L.) Gould quackgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Erodium cicutarium ssp. cicutarium (L.) L’Hér. ex Aiton redstem stork's bill
Euphorbia esula L. leafy spurge
Festuca pratensis Huds. meadow fescue
Galega officinalis L. goatsrue
Glyceria grandis var. grandis S. Watson American mannagrass
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hyoscyamus niger L. black henbane
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Linaria dalmatica (L.) P. Mill. Dalmatian toadflax
Linaria dalmatica ssp. dalmatica (L.) P. Mill. dalmatian toadflax
Linaria vulgaris P. Mill. yellow toadflax
Lolium perenne L. perennial ryegrass
Lonicera tatarica L. Tatarian honeysuckle
Malcolmia africana (L.) Ait. f. Malcolm stock
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Medicago sativa L. alfalfa
Melilotus officinalis (L.) Lam. yellow sweetclover
Nasturtium officinale Ait. f. watercress
Onopordum acanthium L. Scotch thistle
Persicaria maculosa S.F. Gray ladysthumb
UTAH NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-25 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-7 Invasive Weed Species in Rich County, Utah
Scientific Name Common Name
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Phragmites australis australis (Cav.) Trin. ex Steud. common reed
Plantago lanceolata L. buckhorn plantain
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Potamogeton crispus L. curlyleaf pondweed
Ranunculus acris L. tall buttercup
Ranunculus repens L. creeping buttercup
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Rumex stenophyllus Ledeb. narrowleaf dock
Salix fragilis L. crack willow
Salsola tragus L. Russian-thistle
Sinapis arvensis L. wild mustard
Sisymbrium altissimum L. tumble mustard
Solanum dulcamara L. bittersweet nightshade
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. arvensis L. field sowthistle
Sonchus oleraceus L. annual sowthistle
Stellaria pallida (Dumort.) Crépin common chickweed
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix ramosissima Ledeb. saltcedar
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tragopogon lamottei L. meadow salsify
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Verbascum thapsus L. common mullein
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C-26 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-7 Invasive Weed Species in Rich County, Utah
Scientific Name Common Name
Veronica biloba L. twolobe speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Source: EDDMapS. 2012. “Species found in Rich County, Utah.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_ut_49033. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Rich County, Utah but are exotic to the U.S. and listed as a problem somewhere in the U.S.
Nevada Noxious and Invasive Weed Species
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-29 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-8 Noxious Weed Species in Nevada
Scientific Name Common Name State Designation*
Acroptilon repens Russian Knapweed B
Alhagi camelorum Camelthorn A
Anthemis cotula Mayweed chamomile A
Arundo donax Giant Reed A
Brassica tournefortii Sahara Mustard B
Cardaria draba Hoary cress C
Carduus nutans Musk Thistle B
Centaurea calcitrapa Purple Star thistle A
Centaurea diffusa Diffuse Knapweed B
Centaurea iberica Iberian Starthistle A
Centaurea masculosa Spotted Knapweed A
Centaurea melitensis Malta Star thistle A
Centaurea solstiltialis Yellow Starthistle A
Centaurea virgata Squarrose knapweed A
Chondrilla juncea Rush skeletonweed A
Cicuta maculata Water Hemlock C
Cirsium arvense Canada Thistle C
Conium maculatum Poison Hemlock C
Crupina vulgaris Common crupina A
Cynoglossum officinale Houndstongue A
Euphorbia esula Leafy spurge B
Galega officinalis Goats rue A
Hydrilla verticillata Hydrilla A
Hyoscyamus niger Black henbane A
Hypericum perforatum Klamath weed A
Isatis tinctoria Dyer’s woad A
Lepidium latifolium Perennial pepperweed C
Linaria dalmatica Dalmation Toadflax A
Linaria vulgaris Yellow Toadflax A
Lythrum salicaria, L.virgatum and their cultivars Purple loosestrife A
Myriophyllum spicatum Eurasian water-milfoil A
Onopordum acanthium Scotch Thistle B
Peganum harmala African Rue A
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C-30 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-8 Noxious Weed Species in Nevada
Scientific Name Common Name State Designation*
Pennisetum setaceum Green Fountain grass A
Potentilla recta Sulfur cinquefoil A
Rorippa austriaca Austrian fieldcress A
Salvia aethiopis Mediterranean sage A
Salvinia molesta Giant Salvinia A
Solanum carolinense Carolina Horse-nettle B
Solanum elaeagnifolium White Horse-nettle B
Sonchus arvensis Sow Thistle A
Sorghum halepense Johnson grass C
Sphaerophysa salsula / Swainsona salsula Austrian peaweed A
Taeniatherum caput-medusae Medusahead B
Tamarix spp Salt cedar (tamarisk) C
Tribulus terrestris Puncture vine C
Zygophyllum fabago Syrian Bean Caper A
* Category "A": Weeds not found or limited in distribution throughout the state; actively excluded from the state and actively eradicated wherever found; actively eradicated from nursery stock dealer premises; control required by the state in all infestations.
Category "B": Weeds established in scattered populations in some counties of the state; actively excluded where possible, actively eradicated from nursery stock dealer premises; control required by the state in areas where populations are not well established or previously unknown to occur.
Category "C": Weeds currently established and generally widespread in many counties of the state; actively eradicated from nursery stock dealer premises; abatement at the discretion of the state quarantine officer.
Sources:
Nevada Department of Agriculture. 2012a. “Nevada Noxious Weed List.” http://agri.nv.gov/Plant/Noxious_Weeds/Noxious_Weed_List/. Accessed on December 12, 2012.
Nevada Department of Agriculture. 2012b. “Noxious Weed Categories.” http://agri.nv.gov/Plant/Noxious_Weeds/Noxious_Weeds_Categories/. Accessed on December 12, 2012.
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-31 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-9 Invasive Weed Species in Elko County, Nevada
Scientific Name Common Name
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis gigantea Roth redtop
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Ambrosia artemisiifolia L. common ragweed
Ambrosia artemisiifolia var. elatior (L.) Descourtils annual ragweed
Anthemis cotula L stinking chamomile
Apera interrupta (L.) Beauv. interrupted windgrass
Arctium lappa L. great burdock
Arctium minus Bernh. common burdock
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Barbarea vulgaris Ait. f. yellow rocket
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Berteroa incana (L.) DC hoary alyssum
Brassica nigra (L.) W.D.J. Koch black mustard
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus diandrus Roth ripgut brome
Bromus diandrus ssp. rigidus (Roth) Sales ripgut brome
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus rubens L. red brome
Bromus tectorum L. cheatgrass
Camelina microcarpa DC. smallseed falseflax
Campanula rapunculoides L. creeping bellflower
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Centaurea cyanus L. cornflower
Centaurea diffusa Lam. diffuse knapweed
Centaurea solstitialis L. yellow starthistle
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C-32 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-9 Invasive Weed Species in Elko County, Nevada
Scientific Name Common Name
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chenopodium murale L. nettleleaf goosefoot
Chorispora tenella (Pallas) DC. blue mustard
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Conium maculatum L. poison-hemlock
Convolvulus arvensis L. field bindweed
Cynodon dactylon (L.) Pers bermudagrass
Cynoglossum officinale L. houndstongue
Dactylis glomerata L. orchardgrass
Daucus carota L. Queen Anne's lace, wild carrot
Descurainia sophia (L.) Webb ex Prantl flixweed
Dipsacus fullonum L. common teasel
Draba verna L. spring whitlowgrass
Echinochloa crus-galli (L.) Beauv barnyardgrass
Elaeagnus angustifolia L. Russian-olive
Elymus repens (L.) Gould quackgrass
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Euphorbia esula L. leafy spurge
Fallopia convolvulus L. wild buckwheat
Festuca arundinacea Schreb. tall fescue
Festuca perennis (L.) Columbus & J.P. Sm. Italian ryegrass
Festuca pratensis Huds. meadow fescue
Geranium dissectum L. cutleaf geranium
Glyceria declinata Brébiss. waxy mannagrass
Glyceria grandis var. grandis S. Watson American mannagrass
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hordeum marinum Huds. seaside barley
Hordeum murinum L. mouse barley
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-33 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-9 Invasive Weed Species in Elko County, Nevada
Scientific Name Common Name
Hyoscyamus niger L. black henbane
Hypericum perforatum L. common St. Johnswort
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca saligna L. willowleaf lettuce
Lactuca serriola L. prickly lettuce
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Linaria vulgaris P. Mill. yellow toadflax
Lolium perenne L. perennial ryegrass
Malcolmia africana (L.) Ait. f. Malcolm stock
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Medicago sativa L. alfalfa
Melilotus officinalis (L.) Lam. yellow sweetclover
Nasturtium officinale Ait. f. watercress
Nepeta cataria L. catnip
Onopordum acanthium L. Scotch thistle
Pastinaca sativa L. wild parsnip
Persicaria maculosa S.F. Gray ladysthumb
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Plantago lanceolata L. buckhorn plantain
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Poa trivialis L. roughstalk bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Populus alba L. white poplar
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C-34 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-9 Invasive Weed Species in Elko County, Nevada
Scientific Name Common Name
Ranunculus repens L. creeping buttercup
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rorippa austriaca (Crantz) Bess. Austrian fieldcress
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Salix fragilis L. crack willow
Salsola kali L. Russian thistle
Salsola paulsenii Litv. barbwire Russian-thistle
Salsola tragus L. Russian-thistle
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Silene latifolia Poir. white campion
Silene latifolia ssp. alba (Mill.) Greuter & Burdet bladder campion
Sinapis arvensis L. wild mustard
Sisymbrium altissimum L. tumble mustard
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. arvensis L. field sowthistle
Sonchus asper (L.) Hill spiny sowthistle
Taeniatherum caput-medusae (L.) Nevski medusahead
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix ramosissima Ledeb. saltcedar
Tanacetum vulgare L. common tansy
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tribulus terrestris L. puncturevine
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Tripleurospermum perforatum (Merat) M. Lainz false chamomile
Verbascum blattaria L. moth mullein
Verbascum thapsus L. common mullein
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-35 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-9 Invasive Weed Species in Elko County, Nevada
Scientific Name Common Name
Veronica biloba L. twolobe speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Vicia villosa Roth hairy vetch
Vulpia bromoides (L.) S.F. Gray squirreltail fescue
Vulpia myuros (L.) K.C. Gmel. rattail fescue
Source: EDDMapS. 2012. “Species found in Elko County, Nevada.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_nv_32007. Accessed on November 20, 2012.
Note: All of the species may not be a problem in Elko County, Nevada but are exotic to the U.S. and listed as a problem somewhere in the U.S.
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C-36 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-10 Invasive Weed Species in Humboldt County, Nevada
Scientific Name Common Name
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis gigantea Roth redtop
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Ambrosia artemisiifolia L. common ragweed
Ambrosia artemisiifolia var. elatior (L.) Descourtils annual ragweed
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus rubens L. red brome
Bromus tectorum L. cheatgrass
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Cardaria pubescens (C.A. Mey.) hairy whitetop
Centaurea diffusa Lam. diffuse knapweed
Centaurea solstitialis L. yellow starthistle
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cirsium vulgare (Savi) Ten. bull thistle
Convolvulus arvensis L. field bindweed
Dactylis glomerata L. orchardgrass
Descurainia sophia (L.) Webb ex Prantl flixweed
Draba verna L. spring whitlowgrass
Dysphania pumilio (R. Br.) Mosyakin & Clemants clammy goosefoot
Echinochloa crus-galli (L.) Beauv barnyardgrass
Ehrharta calycina Sm. perennial veldtgrass
Elaeagnus angustifolia L. Russian-olive
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-37 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-10 Invasive Weed Species in Humboldt County, Nevada
Scientific Name Common Name
Elymus repens (L.) Gould quackgrass
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Euphorbia esula L. leafy spurge
Festuca arundinacea Schreb. tall fescue
Gypsophila scorzonerifolia Ser. garden baby's-breath
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hordeum marinum Huds. seaside barley
Hordeum murinum L. mouse barley
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Lolium perenne L. perennial ryegrass
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago sativa L. alfalfa
Melilotus indicus (L.) All. annual yellow sweetclover
Melilotus officinalis (L.) Lam. yellow sweetclover
Nasturtium officinale Ait. f. watercress
Onopordum acanthium L. Scotch thistle
Persicaria maculosa S.F. Gray ladysthumb
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Phragmites australis australis (Cav.) Trin. ex Steud. common reed
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa trivialis L. roughstalk bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Populus alba L. white poplar
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C-38 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-10 Invasive Weed Species in Humboldt County, Nevada
Scientific Name Common Name
Populus nigra L. Lombardy poplar
Potentilla fragiformis Willd. ex Schltdl. strawberry cinquefoil
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Salix fragilis L. crack willow
Salsola kali L. Russian thistle
Salsola paulsenii Litv. barbwire Russian-thistle
Salsola tragus L. Russian-thistle
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Sisymbrium altissimum L. tumble mustard
Sonchus oleraceus L. annual sowthistle
Sorghum bicolor (L.) Moench sorghum
Sphaerophysa salsula (Pallas) DC. swainsonpea
Tamarix ramosissima Ledeb. saltcedar
Tamarix spp. L. tamarisk
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon porrifolius L. common salsify
Tribulus terrestris L. puncturevine
Trifolium pratense L. red clover
Trifolium repens L. white clover
Triticum aestivum L. common wheat
Verbascum thapsus L. common mullein
Veronica serpyllifolia L. thymeleaf speedwell
Vulpia bromoides (L.) S.F. Gray squirreltail fescue
Source: EDDMapS. 2012. “Species found in Humboldt County, Nevada.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_nv_32013. Accessed November 20, 2012.
Note: All of the species may not be a problem in Humboldt County, Nevada but are exotic to the U.S. and listed as a problem somewhere in the U.S.
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-39 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Aegilops cylindrica Host jointed goatgrass
Aegilops triuncialis L barb goatgrass
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis gigantea Roth redtop
Ailanthus altissima (P. Mill.) Swingle tree-of-heaven
Amaranthus blitoides S. Wats prostrate pigweed
Amaranthus retroflexus L. redroot pigweed
Anchusa azurea P. Mill. Italian bugloss
Anthemis cotula L stinking chamomile
Apera interrupta (L.) Beauv. interrupted windgrass
Arctium lappa L. great burdock
Arctium minus Bernh. common burdock
Arenaria serpyllifolia L. thymeleaf sandwort
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Avena barbata Pott ex Link slender oat
Avena fatua L. wild oat
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Brassica nigra (L.) W.D.J. Koch black mustard
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus catharticus Vahl rescuegrass
Bromus diandrus Roth ripgut brome
Bromus diandrus ssp. rigidus (Roth) Sales ripgut brome
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus rubens L. red brome
Bromus tectorum L. cheatgrass
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
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C-40 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Cardaria pubescens (C.A. Mey.) hairy whitetop
Carduus nutans L. musk thistle
Centaurea cyanus L. cornflower
Centaurea diffusa Lam. diffuse knapweed
Centaurea solstitialis L. yellow starthistle
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Centaurea virgata Lam. squarrose knapweed
Centaurea virgata ssp. squarrosa Lam. squarrose knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Chorispora tenella (Pallas) DC. blue mustard
Cichorium intybus L. chicory
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Clematis orientalis L. oriental virginsbower
Conium maculatum L. poison-hemlock
Convolvulus arvensis L. field bindweed
Crepis capillaris (L.) Wallr smooth hawksbeard
Cucumis melo L melon
Cucumis melo var. dudaim (L.) Naud. dudaim melon
Cuscuta approximata Bab. smallseed alfalfa dodder
Cuscuta epithymum (L.) L. clover dodder
Cynodon dactylon (L.) Pers bermudagrass
Dactylis glomerata L. orchardgrass
Daucus carota L. Queen Anne's lace, wild carrot
Descurainia sophia (L.) Webb ex Prantl flixweed
Dianthus armeria L. Deptford pink
Draba verna L. spring whitlowgrass
Dysphania pumilio (R. Br.) Mosyakin & Clemants clammy goosefoot
Echinochloa crus-galli (L.) Beauv barnyardgrass
Elaeagnus angustifolia L. Russian-olive
Elymus repens (L.) Gould quackgrass
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-41 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Euphorbia esula L. leafy spurge
Euphorbia oblongata Griseb eggleaf spurge
Euphorbia peplus L. petty spurge
Fallopia convolvulus L. wild buckwheat
Festuca arundinacea Schreb. tall fescue
Festuca perennis (L.) Columbus & J.P. Sm. Italian ryegrass
Festuca pratensis Huds. meadow fescue
Glyceria grandis var. grandis S. Watson American mannagrass
Gypsophila paniculata L babysbreath
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Helminthotheca echioides (L.) Holub bristly oxtongue
Hirschfeldia incana (L.) Lagrèze-Fossat shortpod mustard
Holcus lanatus L. common velvetgrass
Hordeum marinum Huds. seaside barley
Hordeum murinum L. mouse barley
Hordeum murinum ssp. glaucum (Steud.) Tzvelev smooth barley
Hordeum murinum ssp. leporinum (Link) Arcang. leporinum barley
Hypericum perforatum L. common St. Johnswort
Hypochaeris radicata L. hairy cat's ear
Iris pseudacorus L. yellowflag iris
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lamium amplexicaule L. henbit
Lathyrus latifolius L. everlasting peavine
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Lolium perenne L. perennial ryegrass
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C-42 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Lonicera japonica Thunb. Japanese honeysuckle
Lotus corniculatus L. birdsfoot trefoil
Lysimachia arvensis (L.) U. Manns & A. Anderb. scarlet pimpernel
Lythrum salicaria L. purple loosestrife
Malcolmia africana (L.) Ait. f. Malcolm stock
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Medicago sativa L. alfalfa
Melilotus indicus (L.) All. annual yellow sweetclover
Melilotus officinalis (L.) Lam. yellow sweetclover
Mentha spicata L. spearmint
Mentha x piperita L. (pro sp.) peppermint
Myriophyllum spicatum Linnaeus Eurasian watermilfoil
Nasturtium officinale Ait. f. watercress
Nepeta cataria L. catnip
Onopordum acanthium L. Scotch thistle
Panicum miliaceum L. wild-proso millet
Pastinaca sativa L. wild parsnip
Persicaria maculosa S.F. Gray ladysthumb
Petroselinum crispum (P. Mill.) Nyman ex A.W. Hill parsley
Phalaris arundinacea L. reed canarygrass
Phleum pratense L. timothy
Phragmites australis australis (Cav.) Trin. ex Steud. common reed
Plantago lanceolata L. buckhorn plantain
Poa annua L. annual bluegrass
Poa bulbosa L. bulbous bluegrass
Poa compressa L. Canada bluegrass
Poa trivialis L. roughstalk bluegrass
Polypogon monspeliensis (L.) Desf. rabbitfoot polypogon
Populus alba L. white poplar
Populus nigra L. Lombardy poplar
NEVADA NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-43 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Potamogeton crispus L. curlyleaf pondweed
Potentilla recta L. sulfur cinquefoil
Ranunculus acris L. tall buttercup
Raphanus sativus L. radish
Rhaponticum repens (L.) Hidalgo Russian knapweed
Rubus armeniacus Focke Himalaya blackberry
Rumex acetosella L. red sorrel
Rumex crispus L. curly dock
Rumex crispus ssp. crispus L. curly dock
Salix x sepulcralis Simonkai [alba × babylonica] weeping willow
Salsola kali L. Russian thistle
Salsola paulsenii Litv. barbwire Russian-thistle
Salsola tragus L. Russian-thistle
Saponaria officinalis L. bouncingbet
Securigera varia (L.) Lassen crownvetch
Setaria pumila (Poir.) Roemer & J.A. Schultes yellow foxtail
Setaria viridis (L.) Beauv. green foxtail
Setaria viridis var. viridis (L.) P. Beauv. green bristlegrass
Sisymbrium altissimum L. tumble mustard
Sisymbrium officinale (L.) Scop. hedge mustard
Solanum dulcamara L. bittersweet nightshade
Solanum physalifolium Rusby hairy nightshade
Sonchus arvensis L. perennial sowthistle
Sonchus arvensis ssp. arvensis L. field sowthistle
Sonchus asper (L.) Hill spiny sowthistle
Sonchus oleraceus L. annual sowthistle
Sorghum halepense (L.) Pers. johnsongrass
Sphaerophysa salsula (Pallas) DC. swainsonpea
Stellaria pallida (Dumort.) Crépin common chickweed
Taeniatherum caput-medusae (L.) Nevski medusahead
Tamarix chinensis Lour. fivestamen tamarisk
Tamarix parviflora DC. smallflower tamarisk
Tamarix spp. L. tamarisk
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C-44 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-11 Invasive Weed Species in Washoe County, Nevada
Scientific Name Common Name
Tanacetum vulgare L. common tansy
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang tall wheatgrass
Thlaspi arvense L. field pennycress
Tragopogon dubius Scop. western salsify
Tragopogon lamottei L. meadow salsify
Tragopogon porrifolius L. common salsify
Tribulus terrestris L. puncturevine
Trifolium hybridum L. alsike clover
Trifolium pratense L. red clover
Trifolium repens L. white clover
Tripleurospermum maritimum ssp. inodorum (L.) Appleq. mayweed
Tripleurospermum perforatum (Merat) M. Lainz false chamomile
Ulmus procera Salisb. English elm
Ulmus pumila L. Siberian elm
Verbascum blattaria L. moth mullein
Verbascum thapsus L. common mullein
Verbascum virgatum Stokes purplestamen mullein
Veronica beccabunga L. European speedwell
Veronica serpyllifolia L. thymeleaf speedwell
Vicia sativa Linnaeus common vetch
Vicia villosa Roth hairy vetch
Vulpia bromoides (L.) S.F. Gray squirreltail fescue
Vulpia myuros (L.) K.C. Gmel. rattail fescue
Xanthium spinosum L. spiny cocklebur
Source: EDDMapS. 2012. “Species found in Washoe County, Nevada.” Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. http://www.eddmaps.org/tools/countyplants.cfm?id=us_nv_32031. Accessed November 20, 2012.
Note: All of the species may not be a problem in Washoe County, Nevada but are exotic to the U.S. and listed as a problem somewhere in the U.S.
Oregon Noxious and Invasive Weed Species
OREGON NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-47 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-12 Noxious Weed Species in Oregon
Scientific Name Common Name State
Designation Target Weeds
Abutilon theophrasti Velvetleaf B
Acaena novae-zelandiae Biddy-biddy B
Acroptilon repens Russian knapweed B
Aegilops cylindrica Jointed goatgrass B
Aegilops ovata Ovate goatgrass A
Aegilops triuncialis Barb goatgrass A
Alhagi pseudalhagi Camelthorn A
Alliaria petiolata Garlic mustard B T
Alyssum murale, A. corsicum Yellowtuft A T
Ambrosia artemisiifolia Ragweed B
Anchusa officinalis Common bugloss B T
Brachypodium sylvaticum False brome B
Bryonia alba White bryonia A
Buddleja davidii (B. variabilis) Butterfly bush B
Butomus umbellatus Flowering rush A
Carduus acanthoides Plumeless thistle A T
Carduus nutans Musk thistle B
Carduus pycnocephalus Italian thistle B
Carduus tenuiflorus Slender-flowered thistle B
Carthamus baeticus Smooth distaff thistle A
Carthamus lanatus Wooly distaff thistle A T
Centaurea calcitrapa Purple starthistle A T
Centaurea diffusa Diffuse knapweed B
Centaurea iberica Iberian starthistle A T
Centaurea pratensis Meadow knapweed B
Centaurea solstitialis Yellow starthistle B
Centaurea stoebe (C. maculosa) Spotted knapweed B T
Centaurea virgata Squarrose knapweed A T
Chondrilla juncea Rush skeletonweed B T
Cirsium arvense Canada thistle B
Cirsium vulgare Bull thistle B
Clematis vitalba Old manʼs beard B
Conium maculatum Poison hemlock B
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C-48 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-12 Noxious Weed Species in Oregon
Scientific Name Common Name State
Designation Target Weeds
Convolvulus arvensis Field bindweed B T
Cortaderia jubata Jubata grass B
Crupina vulgaris Common crupina B
Cuscuta japonica Japanese dodder A
Cuscuta spp. Dodder B
Cynoglossum officinale Houndstongue B
Cyperus esculentus Yellow nutsedge B
Cyperus rotundus Purple nutsedge A
Cytisus scoparius Scotch broom B
Cytisus striatus Portuguese broom B T
Daphne laureola Spurge laurel B
Dipsacus laciniatus Cutleaf teasel B
Echium plantagineum Paterson’s curse A T
Egeria densa (Elodea) South American waterweed B
Erica lusitanica Spanish heath B
Euphorbia esula Leafy spurge B T
Euphorbia myrsinites Myrtle spurge B
Euphorbia oblongata Oblong spurge A
Fallopia japonica (Polygonum) Japanese knotweed B
Fallopia sachalinensis (Polygonum) Giant knotweed B
Galega officinalis Goatsrue A
Genista monspessulana French broom B
Geranium lucidum Shiny leaf geranium B
Geranium robertianum Herb Robert B
Halogeton glomeratus Halogeton B
Hedera helix (H. hibernica) English ivy B
Hemizonia pungens Spikeweed B
Heracleum mantegazzianum Giant hogweed A T
Hieracium aurantiacum Orange hawkweed A T
Hieracium floribundum Yellow hawkweed A T
Hieracium pilosella Mouse-ear hawkweed A
Hieracium piloselloides King-devil hawkweed A
Hieracium pratense Meadow hawkweed A T
OREGON NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-49 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-12 Noxious Weed Species in Oregon
Scientific Name Common Name State
Designation Target Weeds
Hydrilla verticillata Hydrilla A
Hypericum perforatum St. Johnswort B
Impatiens glandulifera Policemanʼs helmet B
Iris pseudacorus Yellow flag iris B
Isatis tinctoria Dyers woad B
Kochia scoparia Kochia B
Lamiastrum galeobdolon Yellow archangel B
Lathyrus latifolius Perennial peavine B
Lepidium chalepensis Lens-podded whitetop B
Lepidium draba Whitetop (hoary cress) B
Lepidium latifolium Perennial pepperweed B T
Lepidium pubescens Hairy whitetop B
Linaria dalmatica Dalmatian toadflax B T
Linaria vulgaris Yellow toadflax B
Ludwigia peploides, L. hexapetala, L. grandiflora ssp. Water primrose B
Lythrum salicaria Purple loosestrife B
Myriophyllum aquaticum Parrotʼs feather B
Myriophyllum spicatum Eurasian watermilfoil B
Nardus stricta Matgrass A T
Nymphoides peltata Yellow floating heart A
Onopordum acanthium Scotch thistle B
Onopordum tauricum Taurian thistle A T
Orabanche minor Small broomrape B
Peganum harmala African rue A T
Phragmites australis, ssp. australis Common reed A
Polygonum polystachyum Himalayan knotweed B
Potentilla recta Sulfur cinquefoil B
Pueraria lobata Kudzu A T
Ranunculus ficaria Lesser celandine B
Rorippa sylvestris Creeping yellow cress B
Rubus armeniacus (R. procerus, R. discolor) Armenian (Himalayan) blackberry B
Salvia aethiopis Mediterranean sage B
Senecio jacobaea Tansy ragwort B T
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C-50 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-12 Noxious Weed Species in Oregon
Scientific Name Common Name State
Designation Target Weeds
Silybum marianum Milk thistle B
Solanum elaeagnifolium Silverleaf nightshade A
Solanum rostratum Buffalobur B
Sorghum halepense Johnsongrass B
Spartina alterniflora Smooth cordgrass A T
Spartina anglica Common cordgrass A T
Spartina densiflora Dense-flowered cordgrass A T
Spartina patens Saltmeadow cordgrass A T
Spartium junceum Spanish broom B
Sphaerophysa salsula Swainsonpea B
Taeniatherum caput-medusae Medusahead rye B
Tamarix ramosissima Saltcedar B T
Trapa natans European water chestnut A
Tribulus terrestris Puncturevine B
Tussilago farfara Coltsfoot A
Ulex europaeus Gorse B T
Xanthium spinosum Spiny cocklebur B
Zygophyllum fabago Syrian bean-caper A
Notes:
Noxious weeds, for the purpose of this system, shall be designated “A” or “B” and may be given the additional designation of “T” according to the Oregon State Weed Board's Noxious Weed Classification System.
“A” Designated Weed – a weed of known economic importance which occurs in the state in small enough infestations to make eradication or containment possible; or is not known to occur, but its presence in neighboring states make future occurrence in Oregon seem imminent. Recommended action: Infestations are subject to eradication or intensive control when and where found.
“B” Designated Weed – a weed of economic importance which is regionally abundant, but which may have limited distribution in some counties. Recommended action: Limited to intensive control at the state, county or regional level as determined on a site specific, case-by-case basis. Where implementation of a fully integrated statewide management plan is not feasible, biological control (when available) shall be the primary control method.
“T” Designated Weed – a priority noxious weed designated by the Oregon State Weed Board as a target for which the ODA will develop and implement a statewide management plan. “T” designated noxious weeds are species selected from either the “A” or “B” list.
Source: Oregon Department of Agriculture (ODA). 2012. Noxious Weed Policy and Classification System 2012. ODA Noxious Weed Control Program. http://www.oregon.gov/ODA/PLANT/WEEDS/docs/weed_policy.pdf. Accessed on December 12, 2012.
OREGON NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-51 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-13 Invasive Weed Species in Klamath County, Oregon
Scientific Name Common Name
Achillea millefolium L. common yarrow
Aegilops cylindrica Host jointed goatgrass
Agropyron cristatum (L.) Gaertn. crested wheatgrass
Agrostis capillaris L. colonial bentgrass
Agrostis gigantea Roth redtop
Aira caryophyllea L. silver hairgrass
Amaranthus blitoides S. Wats prostrate pigweed
Anchusa azurea P. Mill. Italian bugloss
Anchusa officinalis L. common bugloss
Anthemis cotula L stinking chamomile
Anthoxanthum odoratum L. sweet vernalgrass
Apera interrupta (L.) Beauv. interrupted windgrass
Arenaria serpyllifolia L. thymeleaf sandwort
Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl tall oatgrass
Artemisia vulgaris L. mugwort
Barbarea vulgaris Ait. f. yellow rocket
Bassia hyssopifolia (Pallas) Kuntz fivehook bassia
Brassica rapa L. birdsrape mustard
Bromus arvensis L. field brome
Bromus briziformis Fisch. & C.A. Mey. rattlesnake brome
Bromus catharticus Vahl rescuegrass
Bromus hordeaceus L. soft brome
Bromus hordeaceus ssp. hordeaceus L. soft brome
Bromus inermis Leyss. smooth brome
Bromus racemosus L. bald brome
Bromus secalinus L. rye brome
Bromus tectorum L. cheatgrass
Buglossoides arvensis (L.) I.M. Johnston corn gromwell
Callitriche stagnalis Scop. European waterstarwort
Camelina microcarpa DC. smallseed falseflax
Capsella bursa-pastoris (L.) Medik. shepherd's-purse
Caragana arborescens Lam. Siberian peashrub
Cardaria pubescens (C.A. Mey.) hairy whitetop
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C-52 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-13 Invasive Weed Species in Klamath County, Oregon
Scientific Name Common Name
Carduus acanthoides L. spiny plumeless thistle
Carduus nutans L. musk thistle
Centaurea cyanus L. cornflower
Centaurea diffusa Lam. diffuse knapweed
Centaurea melitensis L. Malta starthistle
Centaurea nigra L. black knapweed
Centaurea nigrescens Willd alpine knapweed
Centaurea solstitialis L. yellow starthistle
Centaurea stoebe ssp. micranthos (Gugler) Hayek spotted knapweed
Centaurea virgata Lam. squarrose knapweed
Cerastium fontanum Baumg. common mouse-ear chickweed
Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed
Ceratocephala testiculata (Crantz) Bess. bur buttercup
Cichorium intybus L. chicory
Cirsium arvense (L.) Scop. Canada thistle
Cirsium vulgare (Savi) Ten. bull thistle
Conium maculatum L. poison-hemlock
Convallaria majalis L. European lily of the valley
Convolvulus arvensis L. field bindweed
Crepis tectorum L. narrowleaf hawksbeard
Cynoglossum officinale L. houndstongue
Cynosurus echinatus L. hedgehog dogtailgrass
Cytisus scoparius (L.) Link Scotch broom
Dactylis glomerata L. orchardgrass
Descurainia sophia (L.) Webb ex Prantl flixweed
Dianthus armeria L. Deptford pink
Dipsacus fullonum L. common teasel
Dipsacus laciniatus L. cutleaf teasel
Draba verna L. spring whitlowgrass
Elymus repens (L.) Gould quackgrass
Eragrostis cilianensis (All.) Vign. ex Janchen stinkgrass
Erodium cicutarium (L.) L’Hér. ex Ait. redstem filaree
Euphorbia cyparissias L. cypress spurge
OREGON NOXIOUS AND INVASIVE WEED SPECIES
IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 C-53 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-13 Invasive Weed Species in Klamath County, Oregon
Scientific Name Common Name
Euphorbia esula L. leafy spurge
Euphorbia myrsinites L myrtle spurge
Fallopia convolvulus L. wild buckwheat
Festuca arundinacea Schreb. tall fescue
Festuca perennis (L.) Columbus & J.P. Sm. Italian ryegrass
Festuca trachyphylla (Hack.) Krajina nom. illeg. sheep fescue
Glechoma hederacea L. ground ivy
Glyceria grandis var. grandis S. Watson American mannagrass
Gypsophila paniculata L babysbreath
Halogeton glomeratus (Bieb.) C.A. Mey. halogeton
Hieracium aurantiacum L. orange hawkweed
Hieracium lachenalii K.C. Gmel. common hawkweed
Holcus lanatus L. common velvetgrass
Hordeum marinum Huds. seaside barley
Hypericum perforatum L. common St. Johnswort
Hypochaeris radicata L. hairy cat's ear
Iris pseudacorus L. yellowflag iris
Isatis tinctoria L. Dyer's woad
Kochia scoparia (L.) A.J. Scott Mexican fireweed
Lactuca serriola L. prickly lettuce
Lamium amplexicaule L. henbit
Lamium purpureum L. purple deadnettle
Lathyrus latifolius L. everlasting peavine
Lepidium chalepense L. orbicular whitetop
Lepidium draba (L.) Desv hoary cress
Lepidium latifolium L. perennial pepperweed
Lepidium perfoliatum L. clasping pepperweed
Leucanthemum vulgare Lam. oxeye daisy
Linaria dalmatica (L.) P. Mill. Dalmatian toadflax
Linaria dalmatica ssp. dalmatica (L.) P. Mill. dalmatian toadflax
Linaria vulgaris P. Mill. yellow toadflax
Lolium perenne L. perennial ryegrass
Lonicera tatarica L. Tatarian honeysuckle
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C-54 IS101112094744PDX/NOXIOUS AND INVASIVE WEEDS LISTS_V2 COPYRIGHT 2012 BY CH2M HILL ENGINEERS, INC. • COMPANY CONFIDENTIAL
TABLE C-13 Invasive Weed Species in Klamath County, Oregon
Scientific Name Common Name
Lotus corniculatus L. birdsfoot trefoil
Lythrum salicaria L. purple loosestrife
Malva neglecta Wallr. common mallow
Marrubium vulgare L. white horehound
Matricaria discoidea DC. pineapple-weed
Medicago lupulina L. black medic
Melilotus indicus (L.) All. annual yellow sweetclover
Melilotus officinalis (L.) Lam. yellow sweetclover
Morus alba L. white mulberry