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Filters: Tags: Weeds (X) > partyWithName: Conservation Biology Institute (X)

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This dataset depicts noxious and invasive weed infestations in Oregon within the Bureau of Land Management (BLM) districts of Burns, Medford, and Roseburg. Attributes are provided that give basic information about the weed infestation site such as the species of weed, how many plants there are, when the site was discovered, when the site was last revisited, whether this is a current or historical site, area of the site in acres and hectares, Bureau of Land Management district, map coordinates, and accuracy of map coordinates.
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Invasive Plant Survey Within California Coastal Watersheds from Salinas to Tijuana (currently in Draft form). This dataset is a subset including the southern portion of the study area, covering an area from the Santa Ana river watershed to the USA-Mexico border. Mapped species include giant reed, pampas grass, jubata grass, Mexican fan palm, and Canary Island date palm. More information can be found at: http://www.cal-ipc.org/ip/mapping/arundo/index.php.
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The Southwest Exotic Plant Mapping Program (SWEMP) is a collaborative effort between the United States Geological Survey and federal, tribal, state, county and NGO partners in the southwest. This project is an ongoing effort to compile and distribute regional data on the occurrence of non-native invasive plants in the southwestern United States. The database represents the known sites (represented by a point location, i.e. site) of non-native invasive plant infestations within Arizona and New Mexico, and adjacent portions of California, Colorado, Nevada and Utah. These data, collected from 1911 to 2006, represent the field observations of various state, federal, tribal and county agencies, along with some specimen...
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Meadow knapweed (Centurea pratensis) occurrences in the Benton County area, as reported by Henry Storch. Dataset is in the process of being updated by interested individuals and organizations and will be updated here when finalized.
    map background search result map search result map Southwest Non-native Invasive Plant Database, 2007 (SWEMP07) Invasive plant survey for California coastal watersheds (southern section) Meadow Knapweed occurrences Oregon (USA) Bureau of Land Management (BLM) Weed Areas Meadow Knapweed occurrences Invasive plant survey for California coastal watersheds (southern section) Oregon (USA) Bureau of Land Management (BLM) Weed Areas Southwest Non-native Invasive Plant Database, 2007 (SWEMP07)