Pistia stratiotes
Pistia stratiotes
(water lettuce)

5 results for Pistia stratiotes (water lettuce)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
259364 MDBaltimoreNorman Creek, near the Sunset Harbor Marina, off of Middle River2008 02060003 Gunpowder-Patapscocollected
259709 MDBaltimoreSue Creek, off of Middle River2008 02060003 Gunpowder-Patapscocollected
240678 MDCharlesMattawoman Creek, across from Smallwood State Park marina2007 02070011 Lower Potomaccollected
1409949 MDCharlesMyrtle Grove WMA2016 02070011 Lower Potomacestablished
235487 MDunknownunknown2003  established

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/1/2020].

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.