Home
About
Noxious Weeds
Most Common
Weed Watch
Class A
Class B
Class C
All Weeds
All About Weeds
Weed Laws
FAQ
Common Plant Terms
Common Obnoxious Weeds
Resources
News & Events
Helpful Links
Employment Opportunities
Contact
Grant County Noxious Weed Index
(including medusahead and tree-of-heaven which are only recommended for control)
Black henbane
Hyoscyamus niger
Blueweed
Echium vulgare
Brazilian elodea
Egeria densa
Buffalobur
Solanum rostratum
Bugloss, annual
Lycopsis arvensis
Bugloss, common
Anchusa officinalis
Camelthorn
Alhagi maurorum
Cereal rye
Secale cereale
Common Barberry
Berberis vulgaris
Common Crupina
Crupina vulgaris
Common St. Johnswort
Hypericum perforatum
Common fennel
Foeniculum vulgare
Common groundsel
Senecio vulgaris
Common reed
Phragmites australis
Common tansy
Tanacetum vulgare
Cordgrass, Common
Spartina anglica
Cordgrass, Dense-Flowered
Spartina densiflora
Cordgrass, Saltmeadow
Spartina patens
Cordgrass, Smooth
Spartina alterniflora
Dalmatian toadflax
Linaria dalmatica ssp. dalmatica
Dyer's Woad
Isatis tinctoria
Eggleaf Spurge
Euphorbia oblongata
Eurasian watermilfoil
Myriophyllum spicatum
Eurasian watermilfoil hybrid
Myriophyllum spicatum x M. sibiricum
European Coltsfoot
Tussilago farfara
False Brome
Brachypodium sylvaticum
Fanwort
Cabomba caroliniana
Field bindweed
Convolvulus arvensis
Floating Primrose-Willow
Ludwigia peploides
Flowering Rush
Butomus umbellatus
French Broom
Genista monspessulana
Garlic Mustard
Alliaria petiolata
Giant Hogweed
Heracleum mantegazzianum
Goatsrue
Galega officinalis
Gorse
Ulex europaeus
Grass-leaved arrowhead
Sagittaria graminea
Hairy Willowherb
Epilobium hirsutum
Hairy whitetop
Lepidium appelianum
Hanging sedge
Carex pendula, Carex pendula subsp. pendula and Carex pendula subsp. agastachys
Hawkweed Oxtongue
Picris hieracioides
Hawkweed, orange
Hieracium aurantiacum
Hawkweeds: nonnative meadow subgenus
Hieracium, subgenus Pilosella
Hawkweeds: nonnative wall subgenus
Hieracium, subgenus Hieracium
Herb-Robert
Geranium robertianum
Hoary alyssum
Berteroa incana
Hoary cress
Lepidium draba
Houndstongue
Cynoglossum officinale
Hydrilla
Hydrilla verticillata
Indigobush
Amorpha fruticosa
Johnsongrass
Sorghum halepense
Jointed goatgrass
Aegilops cylindrica
Knapweed, Bighead
Centaurea macrocephala
Knapweed, Russian
Rhaponticum repens
Knapweed, Vochin
Centaurea nigrescens
Knapweed, black
Centaurea nigra
Knapweed, brown
Centaurea jacea
Knapweed, diffuse
Centaurea diffusa
Knapweed, meadow
Centaurea x gerstlaueri
Knapweed, spotted
Centaurea stoebe
Knotweed, Bohemian
Fallopia x bohemica
Knotweed, Himalayan
Persicaria wallichii
Knotweed, Japanese
Fallopia japonica
Knotweed, giant
Fallopia sachalinensis
Kochia
Bassia scoparia
Kudzu
Pueraria montana var. lobata
Lesser Celandine
Ficaria verna
Longspine sandbur
Cenchrus longispinus
Loosestrife, garden
Lysimachia vulgaris
Loosestrife, purple
Lythrum salicaria
Malta starthistle
Centaurea melitensis
Meadow Clary
Salvia pratensis
Medusahead
Taeniatherum caput-medusae
Oriental Clematis
Clematis orientalis
Oxeye daisy
Leucanthemum vulgare
Palmer amaranth
Amaranthus palmeri
Parrotfeather
Myriophyllum aquaticum
Perennial pepperweed
Lepidium latifolium
Poison hemlock
Conium maculatum
Policeman’s helmet
Impatiens glandulifera
Puncturevine
Tribulus terrestris
Purple Starthistle
Centaurea calcitrapa
Ravenna Grass
Tripidium ravennae
Reed Sweetgrass
Glyceria maxima
Ricefield Bulrush
Schoenoplectus mucronatus
Rough chervil
Chaerophyllum temulum
Rush skeletonweed
Chondrilla juncea
Russian olive
Elaeagnus angustifolia
Sage, Clary
Salvia sclarea
Sage, Mediterranean
Salvia aethiopis
Saltcedar
Tamarix ramosissima
Scentless mayweed
Tripleurospermum inodorum
Scotch Broom
Cytisus scoparius
Shiny geranium
Geranium lucidum
Silverleaf Nightshade
Solanum elaeagnifolium
Small-flowered jewelweed
Impatiens parviflora
South American spongeplant
Limnobium laevigatum
Spanish Broom
Spartium junceum
Spurge Flax
Thymelaea passerina
Spurge laurel
Daphne laureola
Spurge, leafy
Euphorbia virgata
Spurge, myrtle
Euphorbia myrsinites
Sulfur cinquefoil
Potentilla recta
Swainsonpea
Sphaerophysa salsula
Syrian Beancaper
Zygophyllum fabago
Tansy ragwort
Jacobaea vulgaris
Texas Blueweed
Helianthus ciliaris
Thistle, Canada
Cirsium arvense
Thistle, Italian
Carduus pycnocephalus
Thistle, Milk
Silybum marianum
Thistle, Scotch
Onopordum acanthium
Thistle, Slenderflower
Carduus tenuiflorus
Thistle, Turkish
Carduus cinereus
Thistle, bull
Cirsium vulgare
Thistle, musk
Carduus nutans
Thistle, plumeless
Carduus acanthoides
Tree-of-Heaven
Ailanthus altissima
Variable-leaf Milfoil and Hybrids
Myriophyllum heterophyllum, Myriophyllum heterophyllum x Myriophyllum hippuroides
Velvetleaf
Abutilon theophrasti
Water primrose
Ludwigia hexapetala
White bryony
Bryonia alba
White cockle
Silene latifolia
Wild Four-o'Clock
Mirabilis nyctaginea
Wild basil/basil savory
Clinopodium vulgare
Wild carrot
Daucus carota
Wild chervil
Anthriscus sylvestris
Yellow archangel
Lamiastrum galeobdolon
Yellow floating heart
Nymphoides peltata
Yellow nutsedge
Cyperus esculentus
Yellow starthistle
Centaurea solstitialis
Yellowflag iris
Iris pseudacorus
Questions? Contact the Board!
Contact Us
