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NAS - Nonindigenous Aquatic Species

Balanus improvisus
(bay barnacle)

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Crustaceans-Barnacles
Native Transplant

15 Results for Balanus improvisus

Specimen ID#	State	County	Locality	Year	HUC Number	Drainage Name	Status
4497	CA		west coast from OR to Ecauador	1850		Pacific Northwest	established
4496	OR		Pacific coast from Oregon to Ecauador	1850		Pacific Northwest	established
243005	OR	Clatsop	Youngs River, upper dredge channel.	2002	17080006	Lower Columbia	established
243006	OR	Clatsop	Columbia River, Astoria West Moorage Basin	2002	17080006	Lower Columbia	established
243003	OR	Clatsop	Columbia River, Youngs Bay, Astoria Yacht Club near net pens.	2002	17080006	Lower Columbia	established
243010	OR	Clatsop	Youngs River, mouth in Youngs Bay	2002	17080006	Lower Columbia	established
157026	WA		coastal waters	1997	17100100	Washington Coastal	established
241234	WA	Pacific	Willapa Bay, Upper Palix River	2000	17100106	Willapa Bay	established
241235	WA	Pacific	Willapa Bay, Bear River Pilings	2000	17100106	Willapa Bay	established
243004	WA	Pacific	Columbia River, Baker Bay, Ilwaco Harbor.	2002	17080006	Lower Columbia	established
243007	WA	Pacific	Columbia River, Baker Bay, Ilwaco Harbor.	2002	17080006	Lower Columbia	established
243008	WA	Pacific	Columbia River, Baker Bay, Ilwaco Harbor tideflat, outer rocks	2002	17080006	Lower Columbia	established
243009	WA	Pacific	Columbia River, Megler Rest area, benthic rocks	2002	17080006	Lower Columbia	established
243011	WA	Pacific	Columbia River, Fort Canby State Park boat launch float.	2003	17080006	Lower Columbia	established
164175	WA		Willapa National Wildlife Refuge	2005	17100106	Willapa Bay	established

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U.S. Department of the Interior \| U.S. Geological Survey URL: http://nas.er.usgs.gov Page Contact Information: Pam Fuller - NAS Program Page Last Modified: June 07 2005