| County | Township | Location | Reference Title | Year | Citation |
| York | York | | 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 |
| York | York | | Algal vegetation of the York River estuary and the adjacent open coast of southern Maine | 1978 | Mathieson, A.C., E.J. Hehre, and M. Costa. 1993. Algal vegetation of the York River estuary and the adjacent open coast of southern Maine. Rhodora 95(883):285-324 |
| York | Kittery | Appledore Island | A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands | 1985 | Mathieson, A.C., E.J. Hehre, J. Hambrook, and J. Gerweck. 1996. A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands. Rhodora 98(896): 369-418 |
| York | Kittery | Duck Island | A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands | 1985 | Mathieson, A.C., E.J. Hehre, J. Hambrook, and J. Gerweck. 1996. A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands. Rhodora 98(896): 369-418 |
| York | Kittery | Smuttynose Island | A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands | 1985 | Mathieson, A.C., E.J. Hehre, J. Hambrook, and J. Gerweck. 1996. A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands. Rhodora 98(896): 369-418 |