Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
239036 | WI | Marinette | 0.5 mi. NW of Spies Lake, 2.5 mi. (airline distance) SE of Athelstane [45.41438°N, 088.06003°W] | 2005 | 04030108 | Menominee | eradicated |
259160 | WI | Marinette | 0.5 mi. NW of Spies Lake, 2.5 mi. (airline distance) SE of Athelstane [45.41438°N, 088.06003°W] | 2007 | 04030108 | Menominee | eradicated |
1618245 | WI | Marinette | Ottawa National Forest | 2009 | 04030108 | Menominee | eradicated |
Citation for this information:
U.S. Geological Survey, 2025,
Hydrilla verticillata: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 3/14/2025