Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic
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Impacts

78 results for Myriophyllum spicatum (Eurasian watermilfoil)

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Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
3337 Myriophyllum spicatum Competition Experimental Laboratory Myriophyllum sibiricum suppressed biomass accumulation of M. spicatum in outdoor... 20801
3338 Myriophyllum spicatum Habitat Alteration Observational Field Myriophyllum spicatum in Canada shades out other species in the water column. 10310
3339 Myriophyllum spicatum Recreation Observational Field Myriophyllum spicatum covers a majority of the water surface of Kawartha Lakes in Ontario. 10310
3340 Myriophyllum spicatum Recreation Observational Field Myriophyllum spicatum impedes boat access in the Tennessee Valley Authority reservoirs 10310
3341 Myriophyllum spicatum Food Web Observational Field Myriophyllum spicatum was associated with fewer bluegill but more black crappie and golden... 33931
3342 Myriophyllum spicatum Disease/Parasites/Toxicity Experimental Laboratory Myriophyllum spicatum extracts inhibited coccoid and filamentous cyanobacteria including... 33933
3357 Myriophyllum spicatum Genetic Observational Field Hybridization is common among Myriophyllum sibiricum and M. spicatum 33941
3361 Myriophyllum spicatum Genetic Observational Field Hybrid Myriophyllum sibiricum and M. spicatum were found in dense, monospecific... 13670
3372 Myriophyllum spicatum Food Web Observational Field Myriophyllum spicatum was associated with low diversity and density of native plants and... 10487
3392 Myriophyllum spicatum Property Value Observational N/A Presence of Myriophyllum spicatum in lakes reduces the likelihood of land development near... 33942
3397 Myriophyllum spicatum Property Value Observational N/A Myriophyllum spicatum in lakes can decrease property values of lakeside homes by <1% to... 33943
3400 Myriophyllum spicatum Competition Observational Field Decreasing plant species diversity was associated with increasing Myriophyllum spicatum... 10169
3401 Myriophyllum spicatum Recreation Anecdotal Field Anglers consider Myriophyllum spicatum beds to be ideal locations for bass fishing, calm... 10310
3402 Myriophyllum spicatum Competition Observational Field Najas marina has a stronger competitive effect on Myriophyllum spicatum than... 20325
3403 Myriophyllum spicatum Food Web Observational Field Except at high densities, Myriophyllum spicatum was associated with high fish and... 31010
3405 Myriophyllum spicatum Competition Observational Field Native plant species richness and density decreased over three years associated with... 20402
3465 Myriophyllum spicatum Recreation Observational Field The dense mats formed by Myriophyllum spicatum have had a negative impact on recreation in... 16463
3466 Myriophyllum spicatum Habitat Alteration Anecdotal Field The dense mats formed by Myriophyllum spicatum in Shawano Lake, Wisconsin might affect use... 16463
3493 Myriophyllum spicatum Food Web Experimental Laboratory Grass shrimp, Palaemonetes spp., preferred Myriophyllum spicatum foliage over... 33999
3826 Myriophyllum spicatum Habitat Alteration Anecdotal N/A Myriophyllum spicatum stems and leaves can create structures for Dreissena... 13595
3830 Myriophyllum spicatum Other Anecdotal N/A broadly defined as commensalism in which Myriophyllum spicatum benefits Bithynia... 13595
3837 Myriophyllum spicatum Other Anecdotal N/A broadly defined as commensalism in which Myriophyllum spicatum benefits Lophopodella... 13595
5239 Myriophyllum spicatum Recreation Observational Field Dense aggregations of Myriophyllum spicatum impact recreation, such as boating and... 38045
6394 Myriophyllum spicatum Recreation Anecdotal N/A There was a $300,000 campaign to eradicate Myriophyllum spicatum to prevent clogging of... 41887
7426 Myriophyllum spicatum Predation/Herbivory Experimental Laboratory In a laboratory setting native Hyalella azteca and Physella sp. exhibited high... 39478
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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/19/2024].

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