Skagit County Class A Where Control is Required

Common Crupina Common Cordgrass Dense‐Flowered Cordgrass Crupina vulgaris Sparna anglica Sparna densiflora

Salt Meadow Cordgrass Smooth Cordgrass Dyer’s Woad

Sparna patens Sparna alterniflora Isas nctoria

Eggleaf Spurge False Brome Floang Primrose– Willow

Euphorbia oblongata Brachypodium sylvacum Ludwigia peploides

1 Skagit County Class A Weeds Where Control is Required

Flowering Rush French Broom Garlic Mustard Butomus umbellatus Genista monspessulana Alliaria peolata

Giant Hogweed Goatsrue Hydrilla Heracleum mantegazzianum Galega officinalis Hydrilla vercillata

Bighead Knapweed Johnsongrass Vochin Knapweed macrocephala Sorghum halepense Centaurea nigrescens

2 Skagit County Class A Weeds Where Control is Required

Kudzu Meadow Clary Oriental Clemas Pueraria montana var. lobata Salvia pratensis Clemas orientalis

Leslie J. Mehrhoff, University of Connecut Purple Starthistle Reed Sweetgrass Ricefield Bulrush Centaurea calcitrapa Glyceria maxima Schoenoplectus mucronatus

Clary Sage Mediterranean Sage Silverleaf Nightshade Salvia sclarea Salvia aethiopis Solanum elaeagnifolium

3 Skagit County Class A Weeds Where Control is Required

Jennifer Andreas, WSU Extension Spanish Broom Spurge Flax Syrian Bean‐Caper Sparum junceum Thymelaea passerina Zygophyllum fabago

Eric Coombs, Oregon Dept. of Texas Blueweed Italian Milk Thistle Helianthus ciliaris

Jenifer Parsons, Dept. of Ecology

Jennifer Andreas, WSU Extension Slenderflower Thistle Variable‐ Milfoil Wild Four O’Clock Carduus tenuiflorus Myriophyllum heterophyllum Mirabilis nyctaginea

4 Skagit County Class B Weeds Where Control is Required

Blueweed Brazilian Elodea Annual Bugloss Echium vulgare Egeria densa Anchusa arvensis

Common Bugloss Camelthorn Common Reed Anchusa officinalis Alhagi maurorum Phragmites australis

Leslie J. Mehrhoff, University of Conneccut

Dalmaan Toadflax Fanwort Gorse Linaria dalmaca ssp. dalmaca Cabomba caroliniana Ulex europaeus

5 Skagit County Class B Weeds Where Control is Required

Jenifer Parsons, Dept. of Ecology

Grass‐Leaved Arrowhead Hairy Willow‐Herb Oxtongue Hawkweed Sagiaria graminea Epilobium hirsutum Picris hieracioides

Orange Hawkweed Nonnave Hawkweed Species & Hoary Alyssum Hybrids of Meadow Subgenus Hieracium auranacum Berteroa incana Hieracium subgenus Pilosella

Ferry County NWCB Eileen Sande

Houndstongue Indigobush Black Knapweed Cynoglossum officinale Amorpha frucosa Centaurea nigra

6 Skagit County Class B Weeds Where Control is Required

Brown Knapweed Diffuse Knapweed Meadow Knapweed Centaurea jacea Centaurea diffusa Centaurea x moncktonii

Russian Knapweed Spoed Knapweed Giant Knotweed Acroplon repens Centaurea stoebe Polygonum sachalinense

Himalayan Knotweed Kochia Garden Loosestrife Polygonum polystachyum Kochia scoparia Lysimachia vulgaris

7 Skagit County Class B Weeds Where Control is Required

Parroeather Perennial Pepperweed Policeman's Helmet Myriophyllum aquacum Lepidium lafolium Impaens glandulifera

Puncturevine Rush Skeletonweed Saltcedar terrestris Chondrilla juncea Tamarix ramosissima

Shiny Geranium Spurge Laurel Leafy Spurge Geranium lucidum Daphne laureola Euphorbia esula

8 Skagit County Class B Weeds Where Control is Required

Myrtle Spurge Sulfur Cinquefoil Musk Thistle Euphorbia myrsinites Potenlla recta Carduus nutans

Plumeless Thistle Scotch Thistle Velvetleaf Carduus acanthoides acanthium Abulon theophras

Water Primrose White Bryony Wild Chervil Ludwigia hexapetala Bryonia alba Anthriscus sylvestris

9 Skagit County Class B Weeds Where Control is Required

Yellow Archangel Yellow Floang Heart Yellow Starthistle Lamiastrum galeobdolon Nymphoides peltata Centaurea solsalis

10 Skagit County Class B Weeds Selected for Control

Yellow Nutsedge Japanese Knotweed Poison Hemlock Cyperus esculentus Polygonum cuspidatum Conium maculatum

Scotch Broom Tansy Ragwort Cysus scoparius Senecio jacobaea

11 Skagit County Class C Weeds Selected for Control

Common Tansy Common Teasel Field Bindweed Tanacetum vulgare Dipsacus fullonum Convolvulus arvensis

Bull Thistle Thistle Wild Carrot (except where com‐ mercially grown ) Cirsium arvense Daucus carota

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