County	Township	Location	Institution	Year	Month	Day
Washington	Beals	Rosebush Cove, Great Wass Island, Washington Co.	University of Maine Herbaria (MAINE)	1976	5	19
Washington	Beals	Popplestone Cove, Great Wass Island, Washington Co.	University of Maine Herbaria (MAINE)	1976	5	12
York	Ogunquit	on rocks in shallow tide pools, Bald Head Cliff, Ogunquit, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	24
Washington	Beals	Little Cape Pt., Great Wass Island, Washington Co.	University of Maine Herbaria (MAINE)	1975	7	22
Hancock	Lamoine	Lamoine	University of Maine Herbaria (MAINE)	1972	4	12
Hancock	Bar Harbor	Otter Point, Hancock Co.	University of Maine Herbaria (MAINE)	1968	6	16
Cumberland	Cape Elizabeth	Portland Head Light, Casco Bay	University of Maine Herbaria (MAINE)	1967	3	31
Lincoln	Westport Island	Doggett's Rd., Westport Isles, Lincoln Co.	University of Maine Herbaria (MAINE)	1966	7	3
Washington	Lubec	West Quoddy Head, Lubec	Duke University Herbarium Algae Collection (DUKE)	1966	5	21
Washington	Lubec	West Quoddy Head.	University of Washington (WTU)	1966	5	21
Hancock	Southwest Harbor	Ships Harbor, Mt. Desert Island	University of Maine Herbaria (MAINE)	1966	4	9
York	York	Bald Head Cliff, York, ME	University of South Florida (USF)	1966	3	26
Hancock	Lamoine	Lamoine Beach, Lamoine	University of Maine Herbaria (MAINE)	1965	4	26
Hancock	Lamoine	Lamoine Beach, Lamoine, Hancock Co.	University of Maine Herbaria (MAINE)	1965	4	12
Lincoln	Bristol	Pemaquid Pt., Bristol	University of Maine Herbaria (MAINE)	1963	10	2
Hancock	Deer Isle	Hardhead Island, Penobscot Bay	University of Maine Herbaria (MAINE)	1961	6	30
Lincoln	Bristol	Kresge Pt., Pemaquid Point	University of Maine Herbaria (MAINE)	1961	6	7
Hancock	Gouldsboro	Sally Island, Gouldsborough Bay	University of Michigan (MICH)	1960	8	18
Knox	Rockport	Rockport, ME	Farlow Herbarium (Harvard University) (FH)	1915	4	15
Knox	Rockport	Rockport, ME	Farlow Herbarium (Harvard University) (FH)	1915	4	10
Knox	Rockport	Rockport, Maine	The New York Botanical Garden (NY)	1915	3	31
York	Kittery	Kittery Point, ME	Farlow Herbarium (Harvard University) (FH)	1914	5	16
York	Kittery	Kittery Point, ME	Farlow Herbarium (Harvard University) (FH)	1914	5	6
Cumberland	Harpswell	Harpswell, ME	Farlow Herbarium (Harvard University) (FH)	1905	7	6
Cumberland	Harpswell	Harpswell	The New York Botanical Garden (NY)	1905	7
Cumberland	Portland	Peaks Island	Farlow Herbarium (Harvard University) (FH)	1904	22	22
Cumberland	Harpswell	Casco bay, Inner Marsh Island	The New York Botanical Garden (NY)	1904	6	18
Cumberland	Portland	Peak's Island	The New York Botanical Garden (NY)	1904	5	22
Cumberland	Portland	Portland Harbor	The New York Botanical Garden (NY)	1904	5	0
Lincoln	Boothbay	Booth Bay	The New York Botanical Garden (NY)	1882	5	18
Unknown	UNKNOWN	Maine	Farlow Herbarium (Harvard University) (FH)	0
Cumberland	Portland	Portland, ME	Farlow Herbarium (Harvard University) (FH)	0
Cumberland	Portland	Portland Harbor	The New York Botanical Garden (NY)	0

County	Township	Location	Reference Title	Year	Citation
Cumberland	Harpswell		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
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
Cumberland	Portland		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	Mount Desert		A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1890	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
Hancock	Southwest Harbor		A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1897	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	East Machias		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
Hancock	Swans Island		A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1985	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	Frenchboro		A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1986	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	Steuben		A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1987	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	Steuben	Petit Manan National Wildlife Refuge	A comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas	1987	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	Robbinston		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	Harrington	Harrington River Mouth at Ray 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
Hancock	Sorrento		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
Hancock	Hancock		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
Hancock	Blue Hill		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
Hancock	Bar Harbor	Otter cliff, Mount Desert Island	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
Hancock	Bar Harbor	Thunder Hole, Bar Harbor	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1955	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	Bar Harbor	Town Pier, Bar Harbor	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1967	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	Bar Harbor	Otter Point, Bar Harbor	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1967	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	Western Point, near Black Woods Campground, Mount Desert	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1970	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	Southwest Harbor	Seawall, across from Seawall Campground, Southwest Harbor	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1994	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	Bar Harbor	Sand Beach, Bar Harbor	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1995	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	Bracy Cove, Mount Desert	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1996	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
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
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		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	Harpswell		An historical comparison of seaweed populations from Casco Bay, Maine	1904	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	Portland		An historical comparison of seaweed populations from Casco Bay, Maine	1904	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
Cumberland	Cape Elizabeth		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	South Portland		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
Sagadahoc	Phippsburg		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	Portland		An historical comparison of seaweed populations from Casco Bay, Maine	1996	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	Chebeague Island		An historical comparison of seaweed populations from Casco Bay, Maine	2000	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	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
Knox	Vinalhaven	Hurricane Island: located in the mid-central part of Penobscot Bay (44°02'N, 68°54.6'W), offshore from the southwesterly side of Vinalhaven Island and near Green Island; ~2930m of shoreline.	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	Swans Island	Marshall Island: located within Jericho Bay (44°06.5'N, 68°30.5'W), off shore (S) from Swans Island and northeast from Isle Au Haut; —11940m of shoreline. Collections were made in Baxam Cove.	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
			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	Bar Harbor	Monument Cove, NW of Otter Cliff on Mount Desert Island	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

County	Township	Location	Year	Month	Day