Pest Tracker
Exotic Pest Reporting
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Russian knapweed
Rhaponticum repens Russian knapweed (Rhaponticum repens) is an invasive plant. It was first detected in Michigan in 1928. Russian knapweed is an aggressive, long-lived perennial that thrives in both irrigated and arid environments, and in cropland, pastures, rangeland, shrubland, and wasteland. It is difficult to control in alfalfa, clover, other forage crops, and pastures. It reduces wildlife habitat and suppresses the growth of other plants. . |
News
03/19/2020 - Alternative options for noxious weed control
09/17/2019 - Noxious weed of the month: Russian knapweed
07/16/2019 - Knapweed running wild
02/07/2019 - Biocontrol offers natural pest control
03/20/2018 - Western States, Wyoming Wage War On Invasive Species
03/01/2018 - Invasive plants will be target of Old Town Hill work