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State List <br />Common Name <br />Scientific Name <br />County <br />List <br />Montrose <br />San Miguel <br />List A* <br />Cypress spurge <br />E uphorbia cyparissias <br />x <br />urple loosestrife <br />L ythrum salicana <br />x <br />x <br />ellow starthistle <br />C entaurea solstitialis <br />x <br />List B <br />Absinth wormwood <br />I rtemisia absinthium <br />x <br />Black henbane <br />4 yoscyamus niger <br />x <br />anada thistle <br />irsium arvense <br />x <br />hinese clematis <br />lematis orientalis <br />x <br />orn chamomile <br />I nthemis arvensis <br />x <br />Dalmatian toadflax <br />naria damlatica, L. <br />enistifolia <br />x <br />x <br />Diffuse knapweed <br />entaurea diffusa <br />x <br />x <br />oary cress <br />a rdaria drabs <br />x <br />oundstongue <br />yn oglossum officinale <br />x <br />ea sure <br />u horbia esula <br />x <br />x <br />ayweed chamomile <br />nthemis cotula <br />ITamarix <br />x <br />Musk thistle <br />arduus nutans <br />x <br />xeye daisy <br />hrysanthemum <br />ucanthemum <br />x <br />Russian knapweed <br />croptilon repens <br />x <br />Russian olive <br />laeagnus angustifolia <br />x <br />Salt cedar <br />chinensis, T. <br />arviflora T. ramosissima <br />x <br />centless chamomile <br />atricaria perforata <br />x <br />potted knapweed <br />entaurea maculosa <br />x <br />x <br />ulfur cinquefoil <br />otentilla recta <br />x <br />eHowtoadflax <br />inaria vulgaris <br />x <br />`All List Aspecies in Colorado are designated by the Commissioner for eradication. The species <br />listed here have been found and treated in Montrose and /or San Miguel County. <br />Reclaimed areas or mine related associated disturbances such as roadsides and facilities will be <br />monitored for noxious weed infestations. Monitoring will be conducted either through the formal <br />revegetation monitoring program or from qualified contract weed management services. If <br />noxious weed infestations occur at levels which may interfere with successful reclamation, or are <br />detrimental to stand quality, weed control using herbicides, plowing, mowing or other normal <br />husbandry practices will be implemented, depending on the particular weed species and <br />(Revised: PR -06) 2.05.4(2)(e) - 71 <br />