Specimen Information

Pistia stratiotes
Pistia stratiotes
(water lettuce)
Plants
Cryptogenic

Specimen ID1886530
GroupPlants
GenusPistia
Speciesstratiotes
Common Namewater lettuce
StatePA
CountyVenango
Localitypond near Allegheny River at PennWest Clarion-Venango
Mapping AccuracyAccurate
HUC8 NameMiddle Allegheny-Tionesta
HUC8 Number05010003
HUC10 NameLower Allegheny River
HUC10 Number0501000309
HUC12 NameHorse Creek-Allegheny River
HUC12 Number050100030905
Map
Collection Day18
Collection Month8
Collection Year2025
Year AccuracyActual
Reference 1
Ref. Number:25944
Author:iNaturalist
Date:2024
Title:
Commentshttps://www.inaturalist.org/observations/307376196
Record TypeLiterature
Earliest Recorddrainage
VerifierIan Pfingsten


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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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.