Specimen Information

Potamogeton crispus
Potamogeton crispus
(curly-leaf pondweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1657328
GroupPlants
GenusPotamogeton
Speciescrispus
Common Namecurly-leaf pondweed
StatePA
CountyColumbia
LocalityCaroll Park Ponds in Almedia, PA. At Willow Lane
Mapping AccuracyAccurate
HUC8 NameUpper Susquehanna-Lackawanna
HUC8 Number02050107
HUC10 NameLower Susquehanna River
HUC10 Number0205010710
HUC12 NameTenmile Creek-Susquehanna River
HUC12 Number020501071002
Map
Collection Day30
Collection Month4
Collection Year2021
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
CommentsSeveral patches observed on shoreline of pond during PFBC survey. ID based on leaf serrations, which distinguish from native pondweeds in Pennsylvania.
Record TypeNAS sighting report
VerifierIan Pfingsten
Freshwater/MarineFreshwater
Photo
Potamogeton crispus
Potamogeton crispus
Potamogeton crispus
Potamogeton crispus

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 [1/22/2026].

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