Specimen Information

Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic

Specimen ID1932877
GroupPlants
GenusTrapa
Speciesnatans
Common Namewater chestnut
StatePA
CountyCrawford
LocalityUnder the footbridge just above the Clear Lake dam
Mapping AccuracyAccurate
HUC8 NameMiddle Allegheny-Tionesta
HUC8 Number05010003
HUC10 NameOil Creek
HUC10 Number0501000306
HUC12 NameEast Branch Oil Creek
HUC12 Number050100030602
Map
Collection Day21
Collection Month6
Collection Year2026
Year AccuracyActual
CommentsSeveral small bunches at the bridge. Will work on permission to survey the reservoir for extent.
Record TypeNAS sighting report
VerifierIan Pfingsten
Number Collected20
Photo
Waterchestnut with other plants in the water
Waterchestnut and other plants in the water


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 [6/25/2026].

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.