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Lyons Quarry Noxious Weed Management Plan <br />Colorado Noxious Weed List <br />Common Name <br />Scientific Name <br />CDA <br />Mandate <br />Boulder <br />County <br />Mandate <br />Known in <br />Boulder <br />County <br />Present on <br />Lyons <br />Quarry* <br />Biology <br />List A*S ecies <br />African rue <br />Pe arnon harniala <br />Yes <br />Yes <br />Perennial <br />Bohemian knotweed <br />Polygonum xboheniicum <br />Yes <br />Yes <br />Perennial <br />Camelthom <br />Alha i seudalha i <br />Yes <br />Yes <br />Perennial <br />cru ina <br />Cru ina vulgaris <br />Yes <br />Yes <br />Winter Annual <br />_Common <br />Cypress spurge <br />Eu horbia c p arissias <br />Yes <br />Yes <br />Yes <br />Perennial <br />D er's woad <br />Isalis tinctoria <br />Yes <br />Yes <br />Yes <br />Perennial <br />Elon ated mustard <br />Brassica elon ata <br />Yes <br />Yes <br />Perennial <br />Giant knotweed <br />Polygonum sachalinense <br />Yes <br />Yes <br />Perennial <br />Giant reed <br />Arundo donax <br />Yes <br />Yes <br />Perennial <br />Giant salvinia <br />Salvinia niolesta <br />Yes <br />Yes <br />Annual/Perennial <br />H drilla <br />H drilla verticillata <br />Yes <br />Yes <br />Perennial <br />Japanese knotweed <br />Polygonum cus idatum <br />Yes <br />Yes <br />Perennial <br />Meadow kna weed <br />Centaurea pratensis <br />Yes <br />Yes <br />Perennial <br />Mediterranean sae <br />Salvia aethio is <br />Yes <br />Yes <br />Yes <br />Biennial <br />Medusahead <br />Taenialherum caput -medusae <br />Yes <br />Yes <br />Annual <br />Myrtle spurge <br />Eu horbia mvrsinites <br />Yes <br />Yes <br />Yes <br />Biennial/Perennial <br />Orange hawkweed <br />Hieraciunr aurantiacunt <br />Yes <br />Yes <br />Yes <br />Perennial <br />Pu le loosestrife <br />L thrum salicaria <br />Yes <br />Yes <br />Yes <br />Perennial <br />Rush skeletonweed <br />Chondrilla uncea <br />Yes <br />Yes <br />Perennial <br />Squarrose kna weed <br />Centaurea vii ata <br />Yes <br />Yes <br />Perennial <br />Tansy ragwort <br />Senecio 'acohaea <br />Yes <br />Yes <br />Perennial <br />Yellow starthistle <br />Centaurea solstitialis <br />Yes <br />Yes <br />Yes <br />Winter Annual <br />List B Species <br />Absinth wormwood <br />Artemisia absinthium <br />Yes <br />Perennial _ <br />Black henbane <br />Qvosgvatnus niger <br />Yes <br />Annual/Biennial <br />Bouncin bet <br />Sa onaria o icinalis <br />Perennial <br />Bull thistle <br />Cirsi:an vul are <br />Yes <br />Yes <br />Yes <br />Biennial <br />Canada thistle <br />Cirsium arvense <br />Yes <br />Yes <br />Yes <br />Perennial <br />Chinese clematis <br />Clematis orientalis <br />Yes <br />Perennial <br />Common tansy <br />Tmacetuin vul are <br />Yes <br />Perennial <br />Common teasel <br />Di sacus fullonuin <br />Yes <br />Yes <br />Yes <br />Biennial <br />Corn chamomile <br />Anthenris arvensis <br />Annual <br />Cutleaf teasel <br />Di sacus laciniatus <br />Biennial <br />Dalmatian toad(lax <br />Linaria dahnatica/ Linaria genislifolia <br />Yes <br />Yes <br />Yes <br />Perennial <br />Dame's rocket <br />Iles eris nratronalis <br />Biennial/Perennial <br />Diffuse kna weed <br />Centaurea diffusa <br />Yes <br />Yes <br />Yes <br />Biennial/Perennial <br />Eurasian watermilfoil <br />rllvrio h pion s icalum <br />Yes <br />Perennial <br />Hoary cress <br />Cardaria draba <br />Perennial <br />Houndston ue <br />Cyno lossum officinule <br />Yes <br />Yes <br />Biennial <br />Leafy sure <br />Eu horbia esula <br />Yes <br />Yes <br />Perennial <br />Ma weed chamomile <br />Anthemis colula <br />Annual <br />