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<br />Part 4 <br /> <br />NON-NATIVE, INVASIVE PLANT SPECIES KNOWN OR LIKELY TO OCCUR WITHIN THE <br />EUGENE URBAN GROWTH BOUNDARY <br /> <br />The plant species included in this list are species that have been deliberately or accidentally imported <br />or introduced from other areas by humans or human activities. In addition, these species escape from <br />cultivated settings and spread aggressively into natural areas, and are capable of displacing large areas <br />of native vegetation. These non-native, invasive plant species are distinguished from those native <br />species that grow and propagate themselves in the Eugene area through natural processes, are adapted <br />to the weather, soils and hydrology of the area, and have evolved in the area or been introduced to the <br />area by natural causes. <br /> <br />This list applies to all habitat types within the Eugene Urban Growth Boundary. To meet Eugene Code <br />requirements for removal of non-native, invasive plants, you must remove the specific species, <br />subspecies or variety listed. <br /> <br />Scientific Common Notes Reference <br />Name Name <br />Acer Norway maple Invasive tree spreading into forested natural areas 1 <br />platanoides around town including Skinner's Butte. <br />Aesculus horsechestnut Populations have been found in south end of 1 <br />hippocastanum Hendricks Park and this species is known to be <br /> problematic in other cities. <br />Ailanthus tree-of-heaven Invasive tree that is problematic in City parks, alleys, 1,3 <br />altissima and undeveloped property. This species is capable of <br /> becoming established through cracks in concrete. <br />Alliaria garlic mustard One of the most invasive forest under story plants in 1,4 <br />petiolata the east and Midwest, starting to establish in the <br /> Seattle area. Documented as present in Portland and <br /> Eugene <br />Anchusa azure a anchusa; Exploding in large patches roadside and in woods in 1, 3 <br /> common western Benton County. Also known recently from <br /> bugloss Lane and Clackamas counties. <br />Arum italicum Arum While it appears to be moved primarily by humans, it 1 <br /> occasionally is found away from human activity areas. <br /> Once established, it is extremely difficult to remove. <br /> <br />Betula <br />pendula/pubesc <br /> <br />European birch This species is spreading rapidly along waterways and 5 <br />is now established along the entirety of Amazon <br />Creek from near its headwaters to Fern Ridge <br /> <br />Exhibit F to Ordinance No. [1] <br /> <br />Page 16 <br />