| County | Township | Location | Reference Title | Year | Citation |
| Washington | Jonesport | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1871 | 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 | Lamoine | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1896 | 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 | Machiasport | | 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 | 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 | Cutler | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1967 | 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 | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1967 | 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 | Pembroke | | 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 | Addison | | 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 | Harrington | | 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 | Cherryfield | | 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 | Addison | Pleasant River at Knowles Brook | 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 | Harrington | Harrington River, near Coles Point off Ripley Neck Road | 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 | Milbridge | Narraguagus River, at mouth, end of Fickett Road, opposite Long Point | 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 | Milbridge | Narraguagus River, at Route 1A boat ramp | 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 | Cherryfield | Narraguagus River, at headwaters near Cherryfield Town Hall, below Route 1 Bridge | 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 | Addison | Branch Brook, Addison Road | 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 | Roque Bluffs | | A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas | 1995 | 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 |
| Washington | Trescott | | 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 |
| Washington | Harrington | Ripley Neck, opposite Hen and Hog Islands | 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 |
| Washington | Harrington | Harrington River, Carrying Place on Ripley Nock | 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 |
| Washington | Harrington | Mill River, at embayment opposite Oak Point, off Rays Point Road | 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 |
| Washington | Eastport | Carrying Place Cove, Eastport | Floristic studies of seaweeds from Cobscook Bay, Maine | 1996 | 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 | Pembroke | Reversing Falls Park, opposite Falls Island, Pembroke | Floristic studies of seaweeds from Cobscook Bay, Maine | 1998 | 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 | | 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 |
| Cumberland | Brunswick | | 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 |
| Cumberland | Freeport | | 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 |
| Cumberland | Yarmouth | | An historical comparison of seaweed populations from Casco Bay, Maine | 1998 | 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 |
| Sagadahoc | Phippsburg | | An historical comparison of seaweed populations from Casco Bay, Maine | 1999 | 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 |