| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 240736 | NY | | Lake Ontario | 1895 | 04280002 | Lake Ontario | established |
| 279710 | NY | Seneca | Cayuga Lake | 1895 | 04140201 | Seneca | established |
| 246518 | WI | Manitowoc | Manitowoc County | 2008 | 04030101 | Manitowoc-Sheboygan | collected |
| 261709 | IN | LaPorte | Michigan City, in SW quadrant of intersection of IN-212 and US-20/US-35 | 1987 | 04040001 | Little Calumet-Galien | established |
| 261696 | IL | Cook | Lake Calumet Area: South of 103rd street and just E of Stony Island extension at approx. 105th | 1982 | 04040001 | Little Calumet-Galien | established |
| 261710 | MI | Berrien | New Buffalo, at weigh station on east-bound I-94 between MI-239 and Maudlin Rd. | 1991 | 04040001 | Little Calumet-Galien | established |
| 261711 | IN | Porter | East of Wheeler, on south side of IN-130, 0.5 mi west of IN-149 | 1993 | 04040001 | Little Calumet-Galien | established |
| 261715 | WI | Racine | Sturtevant, 1 mile east of I-94 in median of Washington Ave. | 2008 | 04040002 | Pike-Root | established |
| 261716 | WI | Manitowoc | Cooperstown (5 mi. south of) beside Rt. 43, 7.4 mi north of Rt. 10 | 1991 | 04030101 | Manitowoc-Sheboygan | established |
| 261718 | WI | Winnebago | Oshkosh, beneath US 41 overpass at WI-21 | 1974 | 04030201 | Upper Fox | established |
| 261723 | WI | Kewaunee | South of Kewaunee Nuclear Power Plant, on east side of Rt. 42, north of County Rd BB. | 1993 | 04030101 | Manitowoc-Sheboygan | established |
| 261726 | WI | Outagamie | Appleton, between westbound College Ave (Rt. 125) and its frontage Rd at 2120 College Ave | 1989 | 04030204 | Lower Fox | established |
| 261727 | WI | Iron | Saxon, west end of village | 1996 | 04010302 | Bad-Montreal | established |
| 261728 | WI | Brown | Green Bay, at Lombardi Ave and Military Rd | 1997 | 04030204 | Lower Fox | established |
| 894999 | WI | Ashland | Ditch west of WI-13, just north of Philaja Rd | 2009 | 04010302 | Bad-Montreal | established |
| 1456559 | MI | Monroe | 1 mile west of Azalia, in median of US 23 immediately south of the Cone Rd. interchange. | 1980 | 04100002 | Raisin | established |
| 1456560 | MI | Genesee | west side of Interstate 75, 2.5 miles north of interchange with m 57, western outskirts of Clio. | 1981 | 04080204 | Flint | established |
| 1456561 | MI | Livingston | Tyrone Twp., ca 7 1/2 miles N of Hartland, west side of US 23. | 1981 | 04080203 | Shiawassee | established |
| 1456562 | MI | Washtenaw | Ann Arbor, east side of US 23 at tend of ramp off Washtenaw Avenue on north side. | 1981 | 04100013 | Huron | established |
| 1457441 | MI | Macomb | median of I 94 about 0.1 mile S of Macomb-St. Clair County line. | 1982 | 04090002 | Lake St. Clair | unknown |
| 1457442 | MI | Wayne | Detroit River at Belle Isle, Detroit, MI | 1984 | 04090004 | Detroit | unknown |
| 1457443 | MI | Saginaw | | 1985 | 04080206 | Saginaw | established |
| 1457444 | MI | Monroe | Median of U.S. 23, where the southbound entrance ramp from Cone Road merges with U.S. 23. About 40 km south of Ann Arbor | 1986 | 04100002 | Raisin | unknown |
| 1457445 | MI | Hillsdale | About 18 km NE of Hillsdale. 0.7 mi. S. U.S. 12 on W. side Waldron Rd. | 1989 | 04100002 | Raisin | unknown |
| 1457470 | MI | Tuscola | north of Berger Road, west of RR tracks | 1991 | 04080103 | Pigeon-Wiscoggin | unknown |
| 1457471 | MI | Bay | in Wood Straits facility | 1991 | 04080206 | Saginaw | unknown |
| 1457472 | MI | Midland | Chippewa Nature Center. | 1994 | 04080201 | Tittabawassee | unknown |
| 1457473 | MI | Wayne | Detroit drainage | 1995 | 04090004 | Detroit | unknown |
| 1457474 | MI | Arenac | Just south of Standish, MI | 1997 | 04080102 | Kawkawlin-Pine | unknown |
| 1457475 | MI | Berrien | Warren Dunes State Park. Lake Twp. Near Wilson Road. | 2005 | 04040001 | Little Calumet-Galien | unknown |
| 1457476 | MI | Arenac | Lake Huron, Pine River, Standish, Michigan. | 2006 | 04240002 | Lake Huron | unknown |