9 results for Cirsium palustre (marsh thistle)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Geographic Location Reference
7910 Cirsium palustre Competition Anecdotal N/A Realized impacts on native species and habitats following the establishment of Cirsium palustre have yet to be comprehensively documented or investigated. 25043
7911 Cirsium palustre Competition Anecdotal N/A Concern exists over the rapidly expanding range of Cirsium palustre in the Great Lakes region (e.g., its southward movement in Michigan). Great Lakes, USA 25269
7912 Cirsium palustre Competition Observational Field Cirsium palustre can spread aggressively, resulting in reduced biodiversity and compromised ecological integrity, especially in the wetland ecosystems of Great Lakes islands. Great Lakes islands, USA 25267
7913 Cirsium palustre Competition Anecdotal N/A Cirsium palustre is capable of spreading into open, undisturbed wetlands and forming clumps or impenetrable stands of flowering stalks or carpets of rosettes, potentially displacing native vegetation, altering community structure, and threatening natural diversity. 25235
7914 Cirsium palustre Competition Anecdotal N/A Marsh thistle (Cirsium palustre) is able to produce 2,000 viable seeds per plant. Only a few plants are needed to have a drastic impact on the seed bank of an area. 25235
7915 Cirsium palustre Competition Anecdotal N/A In British Columbia, Cirsium palustre has been blamed for the degradation of sedge (Carex spp.) meadows. British Columbia 25246
7916 Cirsium palustre Competition Anecdotal N/A Marsh thistle (Cirsium palustre) could pose a threat to the numerous native sedge communities, especially to rare, threatened, or endangered species. 25196
7917 Cirsium palustre Competition Anecdotal N/A Cirsium palustre poses a threat to C. pitcheri (Torr. ex Eaton) Torr. & A. Gray, which is native to the Great Lakes region and is classified as threatened by the federal government and the province of Ontario. Ontario, Canada 25238
7918 Cirsium palustre Competition Anecdotal N/A Native swamp thistle, Cirsium muticum, may also be at risk for adverse competitive effects with Cirsium palustre. 25255

Currently showing impact type "Competition".

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