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PUT IRIS MITIGATION AND DESIGN, INC. <br /> IRIS 2022 Arapahoe Street <br /> MITIGATION AND DESIGN,INC. Golden, Colorado 80401 <br /> Environmental Consulting Phone: 720-272-1985 <br /> bleisure@irismitigation.com <br /> Table 1 <br /> Common Name Scientific Name Classification <br /> Russian olive Elaeagnus angustifolia B <br /> Canada thistle Cirsium arvense B <br /> Houndstongue Cynoglossum officinale B <br /> Diffuse knapweed Centaurea diffusa B <br /> Leafy spurge Euphorbia esula B <br /> Chinese clematis Clematis orientalis B <br /> Dalmatian toad flax Linaria dalmatica B <br /> Musk thistle Carduus nutans B <br /> Bull thistle Cirsium vulgare B <br /> Common mullein Verbascum thapsus C <br /> Common burdock Arctium minus C <br /> Redstem filaree Erodium cicutanium C <br /> Poison hemlock Conium maculatum C <br /> List B Species are weed species for which the Colorado Agricultural Commission has developed <br /> and implemented a weed management plan to stop the spread of these species. List C Species <br /> are weed species for which the Colorado Agricultural Commission will develop and implement a <br /> weed management plan to integrate weed management on both public and private land. <br /> Schwartzwalder Mine 2017 Weed Management Update Page 2 <br /> September 15,2017 <br />