Lythrum salicaria
Lythrum salicaria
(purple loosestrife)

11 results for Lythrum salicaria (purple loosestrife)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213658 CANevadaalong stream banks from Grass Valley to Nevada City1966 18020126 Upper Bearestablished
1436402 CANevadaBear River Access nr. Auburn.1992 18020126 Upper Bearestablished
1436450 CANevadacreek bed and irrigation ditch along Gautier Rd.1991 18020126 Upper Bearestablished
1436394 CANevadaHwy btwn Grass Valley and Nevada City, roadside ditch.1965 18020126 Upper Bearestablished
620041 CANevadaNevada County1968 18020126 Upper Bearestablished
1436356 CANevadaS/side Hwy 20 to Nevada City 1.2 mi E/Grass Valley. 2500 ft. el.1964 18020126 Upper Bearestablished
1436421 CAPlacerBear River Access scattered along river. Also in sec 32. Report only, no confirming specimen.1992 18020126 Upper Bearestablished
1436444 CAPlacerboth sides of Bear River, Placer and Nevada counties. Report only, no confirming specimen.1992 18020126 Upper Bearestablished
1437166 CAPlacerSouth Auburn St along Bunch Creek near I-80 W-bound.2003 18020126 Upper Bearestablished
1436368 CAYubaBear River region. Not seen in 1982 survey.1975 18020126 Upper Bearestablished
1436363 CAYubaDry Creek btwn 40 Mile Rd and Hwy 70.1993 18020126 Upper Bearestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. 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.


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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/19/2022].

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 general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.