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Bull thistle found on
the Lower Kenai
Peninsula
Photo: Caleb Slemmons
(Homer SWCD)
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BACK to the
mapping page
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Many other invasive plants are
just beginning to spread in Alaska. Some of the invasive plants listed
below have only been found at a handful sites in Alaska! Check out the
links below for more information and contact your local Cooperative
Extension office or Soil
and Water District to report an infestation.
Canada and Bull thistle
Plant Facts
Canada thistle http://www.ext.colostate.edu/Pubs/natres/03108.html
Bull thistle http://www.cwma.org/nx_plants/bullthistle.htm
Photos
Canada thistle http://tncweeds.ucdavis.edu/esadocs/cirsarve.html
Bull thistle http://www.calflora.net/bloomingplants/bullthistle.html
Spotted knapweed
Plant Facts
http://www.cwma.org/nx_plants/spot2.htm
Photos
http://tncweeds.ucdavis.edu/esadocs/centmacu.html
Purple loosestrife
Plant Facts
http://www.nps.gov/plants/alien/fact/lysa1.htm
Photos
http://tncweeds.ucdavis.edu/esadocs/lythsali.html
Reed canarygrass
Plant Facts
http://www.ecy.wa.gov/programs/wq/plants/weeds/aqua011.html
Japanese knotweed
Plant Facts
http://www.nps.gov/plants/alien/fact/pocu1.htm
Photos
http://www.adkinvasives.com/terrestrial/PlantID/Knotweed.asp
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LINKS
INTRO: Invasive Plants
Taking Root in AK
Exercises, Discussion Topics and
More
USDA Plants Database
AK Natural Heritage Program
Statewide CNIPM
Cooperative Weed
Management Area |