Invasion
Invasion Description
1st tidal Record; Wilmington/DE/Lower Brandywine Creek (9/21/2021, USGS Noninfdigenous Aquatic Species Database 2022).
1st Watershed Record: near Gring's Mill Recreation Area, Berks County/PA/Tulpehocken Creek,(3/16/2020), PA/Schylkill River watershed, 14 records in 2021, USGS Noninfdigenous Aquatic Species Database 2022).
Geographic Extent
Wilmington/DE/Lower Brandywine Creek (9/21/2021, USGS Noninfdigenous Aquatic Species Database 2022).
Vectors
Level | Vector |
---|