title: Invasive species. Feared quagga mussel turns up in western United States.
authors.forename: Erik
authors.initials: E
authors.lastname: Stokstad
mesh_terms: D000818:Animals; D049875:Dreissena; D017753:Ecosystem; D005618:Fresh Water; D010571:Pest Control; D045483:Rivers; D015206:Southwestern United States