- Edge of small pond, southeast of Flanders1
- Gordon Heights1
- Greenport, Long Island1
- In Brookhaven Nat. Lab.1
- Jones Pond, Manorville1
- Kettle Hole, south of pond on Flanders Rd., Riverhead, Long Island1
- Long Island, east of Sandy Pond1
- Mecox1
- Napeague Beach1
- Ocean Beach, Fire Island1
- Riverhead1
- Riverhead, Duck Pond1
- Riverhead, Grassy Pond1
- Riverhead, Sandy Pd. 1 mi SW of Swan Pd1
- Riverhead, Small pond 2 mi NNW of Riverhead at junc. of Mill Rd. and Old Country Road1
- Riverhead, Sweezy Pond1
- Riverhead, edge of Upper Twin Pond1
- Sandy Pond, north of Manorville1
- Sweezy Pond, Riverhead1
- along headwaters of east Branch Seatuck Creek, Speonk1