| County | Township | Location | Institution | Year | Month | Day |
| York | Kittery | Kittery Point area, SCUBA, Kittery, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1969 | 8 | 14 |
| York | Kittery | Kittery Point, SCUBA, Kittery, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1969 | 8 | 14 |
| York | York | Nubble Lighthouse, SCUBA, Cape Neddick, ME | University of New Hampshire - Macroalgal Collection (NHA) | 1968 | 7 | 19 |
| County | Township | Location | Reference Title | Year | Citation |
| York | Kittery | Seaweeds of the Brave Boat Harbor salt marsh and adjacent open coast of southern Maine | 1965 | Mathieson, A.C., C.J. Dawes, M.L. Anderson, and E.J. Hehre. 2001. Seaweeds of the Brave Boat Harbor salt marsh and adjacent open coast of southern Maine. Rhodora 103(913):1-46 | |
| A checklist and distributional index of the benthic marine algae of the north Atlantic Ocean | 0 | South, G.R. and I. Tittley. 1986. A checklist and distributional index of the benthic marine algae of the north Atlantic Ocean. |
| County | Township | Location | Year | Month | Day |