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Appendix 3: <br />2008 Colorado Noxious Weed List <br />List A species in Colorado that are designated by the Commissioner for eradication: <br />African rue (Peganum harmala) <br />Camelthorn (Alhagi pseudalhagi) <br />Common crupina (Crupina vulgaris) <br />Cypress spurge (Euphorbia cyparissias) <br />Dyer's woad (Isatis tinctoria) <br />Giant salvinia (Salvinia molesta) <br />Hydrilla (Hydrilla verticillata) <br />Meadow knapweed (Centaurea pratensis) <br />Mediterranean sage (Salvia aethiopis) <br />Medusahead (Taeniatherum caput-medusae) <br />Myrtle spurge (Euphorbia myrsinites) <br />Orange hawkweed (Hieracium aurantiacum) <br />Purple loosestrife (Lythrum salicaria) <br />Rush skeletonweed (Chondrilla juncea) <br />Sericea lespedeza (Lespedeza cuneata) <br />Squarrose knapweed (Centaurea virgata) <br />Tansy ragwort (Senecio jacobaea) <br />Yellow starthistle (Centaurea solstitialis) <br />List B weed species are species for which the Commissioner, in consultation with the <br />state noxious weed advisory committee, local governments, and other interested parties, <br />develops and implements state noxious weed management plans designed to stop the <br />continued spread of these species: <br />Absinth wormwood (Artemisia absinthium) <br />Black henbane (Hyoscyamus niger) <br />Bouncingbet (Saponaria officinalis) <br />Bull thistle (Cirsium vulgare) <br />Canada thistle (Cirsium arvense) <br />Chinese clematis (Clematis orientalis) <br />Common tansy (Tanacetum vulgare) <br />Common teasel (Dipsacus fullonum) <br />Corn chamomile (Anthemis arvensis) <br />Cutleaf teasel (Dipsacus laciniatus) <br />Dalmatian toadflax, broad-leaved (Linaria dalmatica) <br />Dalmatian toadflax, narrow-leaved (Linaria genistifolia) <br />Dame's rocket (Hesperis matronalis) <br />Diffuse knapweed (Centaurea diffusa) <br />Eurasian watermilfoil (Myriophyllum spicatum) <br />Hoary cress (Cardaria draba) <br />Houndstongue (Cynoglossum officinale) <br />Leafy spurge (Euphorbia esula) <br />Mayweed chamomile (Anthemis cotula) <br />Moth mullein (Verbascum blattaria) <br />Musk thistle (Carduus nutans) <br />Oxeye daisy (Chrysanthemum leucanthemum) <br />Perennial pepperweed (Lepidium latifolium) <br />Plumeless thistle (Carduus acanthoides) <br />Quackgrass (Elytrigia repens) <br />Redstem filaree (Erodium cicutarium)