Species: 

Myriophyllum spicatum

Common Name: 

Eurasian watermilfoil

Systems Affected (standardized): 

riparian/aquatic

Regions(s) present (updated by AB): 

ALL

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Impacts: 

forms dense mats of leaves restricting light availability, leading to a decline in the diversity and abundance of native macrophytes. In addition, Myriophyllum spicatum displaces the native species of watermilfoil and reduces habitats for fish spawning and feeding.

Source? likely to be reintroduced: 

largely spread between geographically separate regions by human dispersal (mainly by the aquatic plants trade for aquaria).

Info Blurb: 

Forms dense mats of leaves restricting light availability, leading to a decline in the diversity and abundance of native macrophytes. Displaces native milfoils and reduces habitats for fish spawning and feeding. Used in aquaria.

Native Regions in OK: 

NONE

Current and past designations: 

KS, NM, OKPS, TX

Present in OK?

Present in Bordering States?

OK, TX, NM, CO, KS, MO, AR, LA

Has Legal Status in BS?

CO List B, NM Class A, TX NP