Category a weeds




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DEFINITIONS
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


Category A Weeds:

African Rue (Peganum harmala) zygophyllaceae

Austrian fieldcress (Rorippa austriaca) Brassicaceae

Austrian peaweed (Sphaerophysa salsula / Swainsona salsula) Fabaceae

Camelthorn (Alhagi camelorum) Fabaceae

Common crupina (Crupina vulgaris) Asteraceae

Dalmation Toadflax (Linaria dalmatica) Scrophulariaceae

Dyer’s woad (Isatis tinctoria) Brassicaceae

Eurasian water-milfoil (Myriophyllum spicatum) Haloragaceae

Giant Reed (Arundo donax) Poaceae

Giant Salvinia (Salvinia molesta) Salviniaceae

Goats rue (Galega officinalis) Fabaceae

Houndstongue (Cynoglossum officinale) Boraginaceae

Hydrilla (Hydrilla verticillata) Hydrocharitaceae

Iberian Star thistle (Centaurea iberica) Asteraceae

Klamath weed (Hypericum perforatum) Hypericaceae

Leafy spurge (Euphorbia esula) Euphorbiaceae

Malta Star thistle (Centaurea melitensis) Asteraceae

Mayweed chamomile (Anthemis cotula) Asteraceae

Mediterranean sage (Salvia aethiopis) Lamiaceae

Purple loosestrife (Lythrum salicaria, L.virgatum and their cultivars) Lythraceae

Purple Star thistle (Centaurea calcitrapa) Asteraceae

Rush skeletonweed (Chondrilla juncea) Asteraceae

Sow Thistle (Sonchus arvensis) Asteraceae

Spotted Knapweed (Centaurea maculosa) Asteraceae

Squarrose star thistle (Centaurea virgata Lam. Var. squarrosa) Asteraceae

Sulfur cinquefoil (Potentilla recta) Rosaceae

Syrian Bean Caper (Zygophyllum fabago) Zygopnyllaceae

Yellow Starthistle (Centaurea solstiltialis) Asteraceae

Yellow Toadflax (Linaria vulgaris) Scrophulariaceae



Category B Weeds:

Carolina Horse-nettle (Solanum carolinense) Solanaceae

Diffuse Knapweed (Centaurea diffusa) Asteraceae

Medusahead (Taeniatherum caput-medusae) Poaceae

Musk Thistle (Carduus nutans) Asteraceae

Russian Knapweed (Acroptilon repens) Asteraceae

Sahara Mustard (Brassica tournefortii) Brassicaceae

Scotch Thistle (Onopordum acanthium) Asteraceae

White Horse-nettle (Solanum elaeagnifolium) Solanaceae

Category C Weeds:

Black henbane (Hyoscyamus niger) Solanaceae

Canada Thistle (Cirsium arvense) Asteraceae

Green Fountain grass (Pennisetum setaceum) Poaceae

Hoary cress (Cardaria draba) Brassicaceae

Johnson grass (Sorghum halepense) Poaceae

Perennial pepperweed (Lepidium latifolium) Brassicaceae

Poison Hemlock (Conium maculatum) Apiaceae

Puncture vine (Tribulus terrestris) Zygophyllaceae

Salt cedar (tamarisk) (Tamarix spp) Tamaricaceae



Water Hemlock (Cicuta maculata) Apiaceae

[Dep't of Agriculture, No. 55.11, eff.5-25-62; A 5-1-68]--(NAC A by St. Quarantine Officer, 8-9-94; R191-99, 8-7-2000; R097-01m 5-1-2002; R003-03, 9-24-2003)


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