| County | Township | Location | Reference Title | Year | Citation |
| Cumberland | | | The marine algae of Casco Bay | 1911 | Collins, F.S.. 1911. The marine algae of Casco Bay. Proceedings of the Portland Society of Natural History 2(9):257-282 |
| Washington | Eastport | | Marine algae of New England and adjacent coast | 1879 | Farlow, W.G.. 1881. Marine algae of New England and adjacent coast. |
| York | York | | Investigations of New England marine algae IV. The ecology and seasonal succession of tide pool algae at Bald head Cliff, York, Maine, USA | 1968 | Femino, R.J. and A.C. Mathieson. 1980. Investigations of New England marine algae IV. The ecology and seasonal succession of tide pool algae at Bald head Cliff, York, Maine, USA. Botanica Marina 23:319-332 |
| Hancock | Bar Harbor | | Littoral vegetation on a headland of Mt. Desert Island, Maine. II. Tide-pools and the environment and classification of submersible plant communities | 1923 | Johnson, D.S. and A.F. Skutch. 1928. Littoral vegetation on a headland of Mt. Desert Island, Maine. II. Tide-pools and the environment and classification of submersible plant communities. Ecology 9(3): 307-338 |
| Hancock | Bar Harbor | | Littoral vegetation on a headland of Mt. Desert Island, Maine. I. Submersible or strictly littoral vegetation | 1927 | Johnson, D.S. and A.F. Skutch. 1928. Littoral vegetation on a headland of Mt. Desert Island, Maine. I. Submersible or strictly littoral vegetation. Ecology 9(2): 188-215 |
| Washington | Milbridge | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1966 | Mathieson, A.C., and C.J. Dawes. 2018. A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas. Rhodora 120A:310-380 |
| Washington | Columbia Falls | Pleasant River at headwater | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1994 | Mathieson, A.C., and C.J. Dawes. 2018. A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas. Rhodora 120A:310-380 |
| Washington | Lubec | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1996 | Mathieson, A.C., and C.J. Dawes. 2018. A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas. Rhodora 120A:310-380 |
| Hancock | Bar Harbor | Otter Cliffs, Bar Harbor | Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison | 1900 | 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 | Otter Creek, Mount Desert | Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison | 1900 | 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 |
| Washington | Eastport | Eastport Harbor | Floristic studies of seaweeds from Cobscook Bay, Maine | 1877 | Mathieson, A.C., C.J. Dawes, E.J. Hehre, and L.G. Harris. 2010. Floristic studies of seaweeds from Cobscook Bay, Maine. Northeastern Naturalist 16(Monograph 5): 1-48 |
| Washington | Lubec | Pirates Creek, Lubec | Floristic studies of seaweeds from Cobscook Bay, Maine | 1966 | Mathieson, A.C., C.J. Dawes, E.J. Hehre, and L.G. Harris. 2010. Floristic studies of seaweeds from Cobscook Bay, Maine. Northeastern Naturalist 16(Monograph 5): 1-48 |
| 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 | Kittery | | 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 | 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 |
| Cumberland | Long Island | | An historical comparison of seaweed populations from Casco Bay, Maine | 1902 | 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 | 1906 | 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 | Kittery | Cedar 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 | Malaga 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 |
| Knox | Matinicus Isle Plantation | Wooden Ball Island: located within the south central (exposed) part of the Penobscot Bay (43°51.3'N, 68°49.05'W), offshore (S) from Vinalhaven Island and Isle Au Haut (SW), and near Matinicus and Ragged Islands; ~5560m of shoreline. Collections were made | 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 |
| Hancock | Frenchboro | Long Island: located within Jericho Bay (44°07'N, 68°21.5'W), offshore (SE) from Swans Island and northeast from Isle Au Haut; ~ 16770m of shoreline. Collections were made on the NW side near Frenchboro. | A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands | 1986 | 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 |
| Hancock | Mount Desert | | Flora of Mount Desert Island, Maine: A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands | 1894 | Rand, E.L. and J.H. Redfield. 1894. Flora of Mount Desert Island, Maine: A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands. |
| Hancock | Southwest Harbor | | Flora of Mount Desert Island, Maine: A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands | 1894 | Rand, E.L. and J.H. Redfield. 1894. Flora of Mount Desert Island, Maine: A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands. |
| | | 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. |
| Hancock | Southwest Harbor | Bennet Cove, Southwest Harbor | A distributional study of the marine algae of Acadia National Park | 1966 | van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park |
| Hancock | Bar Harbor | Ledges Parking Area (last parking area on Ocean Drive before Otter Cliff Road - between Otter Cliff and Monument Cove) | A distributional study of the marine algae of Acadia National Park | 1966 | van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park |