Specimen Information

Pistia stratiotes
Pistia stratiotes
(water lettuce)
Plants
Cryptogenic

Specimen ID263729
GroupPlants
GenusPistia
Speciesstratiotes
Common Namewater lettuce
StateCA
CountyVentura
LocalitySanta Clara River, in a lagoon at the mouth, Ventura
Mapping AccuracyAccurate
HUC8 NameSanta Clara
HUC8 Number18070102
HUC10 NameLower Santa Clara River
HUC10 Number1807010209
HUC12 NameHarmon Canyon-Santa Clara River
HUC12 Number180701020904
Map
Collection Day7
Collection Month10
Collection Year2009
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
CommentsSee voucher photo. Surface water was fresh, bottom salinity was 6 ppt.
Record TypePersonal communication
Freshwater/MarineFreshwater
Number Collected~10
Photo
Pistia stratiotes


Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2026].

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.