Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
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116 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
230779 CA Sierra Nevada, both sides1993 18090103 Owens Lakeestablished
259333 CAAlamedaCoyote Hills Regional Park1979 18050004 San Francisco Baycollected
229282 CAAlamedaSan Francisco Bay Area1993 18050004 San Francisco Bayestablished
1437291 CAAlamedaSan Francisco Bay Region, Coyote Hills Regional Park, next to picnic area1979 18050004 San Francisco Bayunknown
1438497 CAButteAbout 2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.2015 18020159 Honcut Headwaters-Lower Featherunknown
259305 CAButteChico Creek1935 18020157 Big Chico Creek-Sacramento Rivercollected
1437510 CAButteIn water. Near w boundary of Cuager property, 2723 Oro-Quincy Hwy, Oroville.1965 18020159 Honcut Headwaters-Lower Featherunknown
1438538 CAButteLocality: Chico Creek.1935 18020157 Big Chico Creek-Sacramento Riverunknown
259306 CAButteOro-Quincy Hwy, Oroville1965 18020159 Honcut Headwaters-Lower Feathercollected
259307 CAButteOroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave1988 18020159 Honcut Headwaters-Lower Feathercollected
1436792 CAButteSmall pond in the Oroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave.1988 18020159 Honcut Headwaters-Lower Featherunknown
1437197 CAButteWilson Landing Slough at the w end of Wilson Landing Rd. In a slough of the Sacramento River.1984 18020157 Big Chico Creek-Sacramento Riverunknown
259308 CAButteWilson Landing Slough, Sacramento River1984 18020157 Big Chico Creek-Sacramento Rivercollected
1437407 CACalaverasHot Creek at weir1970 18040012 Upper Mokelumneunknown
1438742 CAContra Costa[No locality description information provided]2012 18040003 San Joaquin Deltaunknown
1438508 CAContra Costa[No locality description information provided]2012 18040003 San Joaquin Deltaunknown
1438033 CAContra Costaalong e side of Old River Channel near junction with False River; Old River Channel1954 18040003 San Joaquin Deltaunknown
1440669 CAContra CostaBethel Island ne of Brentwood (e end of Gateway Road at w edge of Franks Tract State Recreation Area, ne Contra Costa County); Bethel Island, Franks Tract State Recreation Area1990 18040003 San Joaquin Deltaunknown
259331 CAContra CostaBethel Island, W side of Franks Tract State Recreation Area1960 18040003 San Joaquin Deltaestablished
229280 CAContra CostaContra Costa Canal1992 18050001 Suisun Bayestablished
229281 CAContra CostaContra Costa County1990  established
270838 CAContra CostaDiscovery Bay2010 18040003 San Joaquin Deltaestablished
259332 CAContra CostaDow Wetlands Preserve, accessed from Antioch marina1991 18050001 Suisun Bayestablished
1438744 CAContra CostaDutch Slough2008 18040003 San Joaquin Deltaunknown
1438899 CAContra CostaEast side of Italian Slough.2012 18040003 San Joaquin Deltaunknown
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These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/21/2019].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.