| County | Township | Location | Reference Title | Year | Citation |
| Hancock | Southwest Harbor | Seawall, across from Seawall Campground, Southwest Harbor | Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison | 1883 | Mathieson, A.C., C.J. Dawes, and E.J. Hehre. 1998. Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison. Rhodora 100(904):333-379 |
| Hancock | Mount Desert | Seal Harbor, near Crowninshield Point, Mount Desert | Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison | 1888 | Mathieson, A.C., C.J. Dawes, and E.J. Hehre. 1998. Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison. Rhodora 100(904):333-379 |
| Cumberland | Portland | | An historical comparison of seaweed populations from Casco Bay, Maine | 1882 | Mathieson, A.C., E.J. Hehre, C.J. Dawes, and C.D. Neefus. 2008. An historical comparison of seaweed populations from Casco Bay, Maine. Rhodora 110(941):1-102 |
| Cumberland | Harpswell | | An historical comparison of seaweed populations from Casco Bay, Maine | 1903 | Mathieson, A.C., E.J. Hehre, C.J. Dawes, and C.D. Neefus. 2008. An historical comparison of seaweed populations from Casco Bay, Maine. Rhodora 110(941):1-102 |
| Cumberland | Long Island | | An historical comparison of seaweed populations from Casco Bay, Maine | 1995 | Mathieson, A.C., E.J. Hehre, C.J. Dawes, and C.D. Neefus. 2008. An historical comparison of seaweed populations from Casco Bay, Maine. Rhodora 110(941):1-102 |
| 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 | York | Boon 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 |
| | | 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. |