County

Cumberland
Hancock
Knox
Lincoln
Sagadahoc
Washington
York

Township

Bar Harbor
Blue Hill
Boothbay
Bremen
Bristol
Brooksville
Brunswick
Deer Isle
Edgecomb
Eliot
Falmouth
Freeport
Frenchboro
Georgetown
Harpswell
Kittery
Lubec
Mount Desert
Phippsburg
Portland
South Thomaston
Swans Island
Thomaston
Trenton
Vinalhaven
Westport Island
Wiscasset
York

Vouchers: 61

County Township Location Institution Year Month Day
Cumberland Portland Portland Yacht Services, Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 2007 7 28

Washington Lubec Federal Harbor Area off Straight Bay Road, Denbow Neck, Lubec, ME University of New Hampshire - Macroalgal Collection (NHA) 2005 8 8

York Kittery Appledore Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 2003 6

Cumberland Harpswell tidepools, Giant's Staircase, Bailey Island, Harpswell, ME University of New Hampshire - Macroalgal Collection (NHA) 2001 12 11

Cumberland Harpswell Bailey's Island, at Giant Steps, Harpswell, ME University of New Hampshire - Macroalgal Collection (NHA) 2001 7 25

Cumberland Brunswick Mere Point, Merepoint Neck Road, Brunswick, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 11 11

Cumberland Harpswell Pond Island Ledge, Harpswell, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 7 6

Lincoln Bristol Pemaquid Point, Bristol, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 3 17

Sagadahoc Phippsburg Bald Head, Phippsburg, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 3 5

Cumberland Freeport Harraseeket River, Freeport Town Wharf, Sears Cove, Pine Street, (South) Freeport, ME University of New Hampshire - Macroalgal Collection (NHA) 1999 11 28

Cumberland Harpswell Ash Point Cove, at lobster pound, (South) Harpswell, ME University of New Hampshire - Macroalgal Collection (NHA) 1999 9 18

Cumberland Portland Cliff Island, at Bluffs, Casco Bay, Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 1998 10 6

Knox Thomaston St. George River at Thomaston public boat ramp, Thomaston, ME University of New Hampshire - Macroalgal Collection (NHA) 1998 3 7

York Kittery site T1j, Brave Boat Harbor marsh at bridge off of Seapoint Road that crosses over the tidal tributary delineating Cutts Island, approximately 2.0 kilometers inland from harbor mouth, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1998 1 31

Lincoln Westport Island Sheepscot River, north end of Westport Island (opposite of Fort Edgecomb) at Sheepscot Marine, Westport Island, ME University of New Hampshire - Macroalgal Collection (NHA) 1997 7 18

Lincoln Bristol Pemaquid Point, Bristol, ME University of New Hampshire - Macroalgal Collection (NHA) 1996 2 1

Lincoln Edgecomb i.e. at a bridge and near a dammed up cove, Sheepscot River off of Shore Road and opposite Westport Island, Edgecomb, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 11 1

Sagadahoc Georgetown Reid State Park, Georgetown, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 10 27

Sagadahoc Georgetown Robinhood Marina, Robinhood Cove, Georgetown, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 10 27

Lincoln Boothbay East Boothbay near Post Office and boat launch area, Damariscotta River, East Boothbay, Boothbay, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 9 28

Cumberland Harpswell Basin Cove Fall, Harpswell, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 8 27

Hancock Brooksville Bagaduce Falls, off of Rt. 176, Brooksville, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 6 16

Lincoln Boothbay East Boothbay Pond, East Boothbay, Boothbay, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 6 16

Lincoln Bristol Pemaquid Point, Bristol, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 4 12

Hancock Blue Hill i.e. beyond the retaining wall with a narrow opening to Salt Pond, Blue Hill Falls at Rt. 175, Blue Hill. ME University of New Hampshire - Macroalgal Collection (NHA) 1995 3 4

Knox South Thomaston Weskeag River at Route 73 bridge, South Thomaston, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 2 11

Hancock Trenton Oldhouse Cove mudflat, Bar Harbor, Mount Desert Island, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 10 7

Lincoln Wiscasset a single island just N of "Seal Ledges" in the middle of Back River, Wiscasset, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 8 26

Lincoln Wiscasset at end of Chewonki Neck (peninsula) and at two offshore ledges ("Seal Ledge") on Back River, Wiscasset, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 8 26

Lincoln Bremen i.e. at a boat ramp just N of Turner Corner and off of Storer Rd., mouth of Western Brook in Broad Cove, Bremen, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 8 15

Cumberland Falmouth mouth of the Presumpscot River and Route 1 bridge opposite Martin and Mackworth Points, Falmouth, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 7 26

Lincoln Edgecomb Fort Edgecomb on Davis Island on the Sheepscot River, Edgecomb, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 7 14

York Kittery eastern side of Appledore Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1993 10 14

Hancock Deer Isle sheltered NE site (45 degrees), tide pools, Pond Island, East Penobscot Bay, Deer Isle, ME University of New Hampshire - Macroalgal Collection (NHA) 1986 6 6

Knox Vinalhaven Hurricane Island, Penobscot Bay, ME University of New Hampshire - Macroalgal Collection (NHA) 1986 6 1

York Kittery Smuttynose Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1985 10 14

York Kittery SCUBA 0-25 feet, Seapoint, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 12 20

York Kittery SCUBA 50 feet, Duck Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 16

York Eliot Piscataqua River, east bank, just south of Sturgeon Creek, as well as opposite of and south east of Riverside Drive, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 2

York Eliot Piscataqua River, east bank, just south of Sturgeon Creek, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 2

York Eliot Piscataqua River, opposite (approximately) Gould Corner and next to a power line, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 2

York Eliot SCUBA 0-20 feet, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 7 28

York Eliot Subtidal 0-20 feet, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ,ME University of New Hampshire - Macroalgal Collection (NHA) 1976 11 5

York Kittery Smuttynose Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 8 28

York York Boon Island, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 6 30

York Kittery Duck Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 6 15

York Eliot subtidal zone, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 4 28

York Kittery upper subtidal zone, Cedar Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 4 16

York Eliot station 17d, Schiller Power Plant, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 11 4

York Kittery Appledore Island, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 10 2

York Eliot subtidal, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 7 23

York Eliot subtidal, station # 17, near the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 5 8

York Eliot subtidal, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1974 11 14

York Eliot subtidal, station # 17, near the Schiller Power Plant, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1973 11 5

York Eliot subtidal, station # 23, near the Schiller Power Plant, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1970 9 11

Sagadahoc Phippsburg Small Point, Phippsburg, Sagadoahoc Co. University of Maine Herbaria (MAINE) 1946 5 9

York Kittery attached to rocks below tide level, Appledore Island (Isles of Shoals), Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1938 7 26

Cumberland Harpswell Inner Mark Island. Casco Bay The New York Botanical Garden (NY) 1903 8 29

Sagadahoc Phippsburg Popham Beach The New York Botanical Garden (NY) 1900 8

Cumberland Portland [no additional data] Farlow Herbarium (Harvard University) (FH) 0

Cumberland Portland Portland, Maine The New York Botanical Garden (NY) 0

County	Township	Location	Institution	Year	Month	Day
Cumberland	Portland	Portland Yacht Services, Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	2007	7	28
Washington	Lubec	Federal Harbor Area off Straight Bay Road, Denbow Neck, Lubec, ME	University of New Hampshire - Macroalgal Collection (NHA)	2005	8	8
York	Kittery	Appledore Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	2003	6
Cumberland	Harpswell	tidepools, Giant's Staircase, Bailey Island, Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	2001	12	11
Cumberland	Harpswell	Bailey's Island, at Giant Steps, Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	2001	7	25
Cumberland	Brunswick	Mere Point, Merepoint Neck Road, Brunswick, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	11	11
Cumberland	Harpswell	Pond Island Ledge, Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	7	6
Lincoln	Bristol	Pemaquid Point, Bristol, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	3	17
Sagadahoc	Phippsburg	Bald Head, Phippsburg, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	3	5
Cumberland	Freeport	Harraseeket River, Freeport Town Wharf, Sears Cove, Pine Street, (South) Freeport, ME	University of New Hampshire - Macroalgal Collection (NHA)	1999	11	28
Cumberland	Harpswell	Ash Point Cove, at lobster pound, (South) Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	1999	9	18
Cumberland	Portland	Cliff Island, at Bluffs, Casco Bay, Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	1998	10	6
Knox	Thomaston	St. George River at Thomaston public boat ramp, Thomaston, ME	University of New Hampshire - Macroalgal Collection (NHA)	1998	3	7
York	Kittery	site T1j, Brave Boat Harbor marsh at bridge off of Seapoint Road that crosses over the tidal tributary delineating Cutts Island, approximately 2.0 kilometers inland from harbor mouth, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1998	1	31
Lincoln	Westport Island	Sheepscot River, north end of Westport Island (opposite of Fort Edgecomb) at Sheepscot Marine, Westport Island, ME	University of New Hampshire - Macroalgal Collection (NHA)	1997	7	18
Lincoln	Bristol	Pemaquid Point, Bristol, ME	University of New Hampshire - Macroalgal Collection (NHA)	1996	2	1
Lincoln	Edgecomb	i.e. at a bridge and near a dammed up cove, Sheepscot River off of Shore Road and opposite Westport Island, Edgecomb, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	11	1
Sagadahoc	Georgetown	Reid State Park, Georgetown, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	10	27
Sagadahoc	Georgetown	Robinhood Marina, Robinhood Cove, Georgetown, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	10	27
Lincoln	Boothbay	East Boothbay near Post Office and boat launch area, Damariscotta River, East Boothbay, Boothbay, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	9	28
Cumberland	Harpswell	Basin Cove Fall, Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	8	27
Hancock	Brooksville	Bagaduce Falls, off of Rt. 176, Brooksville, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	6	16
Lincoln	Boothbay	East Boothbay Pond, East Boothbay, Boothbay, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	6	16
Lincoln	Bristol	Pemaquid Point, Bristol, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	4	12
Hancock	Blue Hill	i.e. beyond the retaining wall with a narrow opening to Salt Pond, Blue Hill Falls at Rt. 175, Blue Hill. ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	3	4
Knox	South Thomaston	Weskeag River at Route 73 bridge, South Thomaston, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	2	11
Hancock	Trenton	Oldhouse Cove mudflat, Bar Harbor, Mount Desert Island, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	10	7
Lincoln	Wiscasset	a single island just N of "Seal Ledges" in the middle of Back River, Wiscasset, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	8	26
Lincoln	Wiscasset	at end of Chewonki Neck (peninsula) and at two offshore ledges ("Seal Ledge") on Back River, Wiscasset, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	8	26
Lincoln	Bremen	i.e. at a boat ramp just N of Turner Corner and off of Storer Rd., mouth of Western Brook in Broad Cove, Bremen, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	8	15
Cumberland	Falmouth	mouth of the Presumpscot River and Route 1 bridge opposite Martin and Mackworth Points, Falmouth, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	7	26
Lincoln	Edgecomb	Fort Edgecomb on Davis Island on the Sheepscot River, Edgecomb, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	7	14
York	Kittery	eastern side of Appledore Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1993	10	14
Hancock	Deer Isle	sheltered NE site (45 degrees), tide pools, Pond Island, East Penobscot Bay, Deer Isle, ME	University of New Hampshire - Macroalgal Collection (NHA)	1986	6	6
Knox	Vinalhaven	Hurricane Island, Penobscot Bay, ME	University of New Hampshire - Macroalgal Collection (NHA)	1986	6	1
York	Kittery	Smuttynose Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1985	10	14
York	Kittery	SCUBA 0-25 feet, Seapoint, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	12	20
York	Kittery	SCUBA 50 feet, Duck Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	16
York	Eliot	Piscataqua River, east bank, just south of Sturgeon Creek, as well as opposite of and south east of Riverside Drive, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	2
York	Eliot	Piscataqua River, east bank, just south of Sturgeon Creek, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	2
York	Eliot	Piscataqua River, opposite (approximately) Gould Corner and next to a power line, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	2
York	Eliot	SCUBA 0-20 feet, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	7	28
York	Eliot	Subtidal 0-20 feet, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ,ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	11	5
York	Kittery	Smuttynose Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	8	28
York	York	Boon Island, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	6	30
York	Kittery	Duck Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	6	15
York	Eliot	subtidal zone, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	28
York	Kittery	upper subtidal zone, Cedar Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	16
York	Eliot	station 17d, Schiller Power Plant, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	11	4
York	Kittery	Appledore Island, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	10	2
York	Eliot	subtidal, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	7	23
York	Eliot	subtidal, station # 17, near the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	5	8
York	Eliot	subtidal, station # 17, near the site of the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1974	11	14
York	Eliot	subtidal, station # 17, near the Schiller Power Plant, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1973	11	5
York	Eliot	subtidal, station # 23, near the Schiller Power Plant, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1970	9	11
Sagadahoc	Phippsburg	Small Point, Phippsburg, Sagadoahoc Co.	University of Maine Herbaria (MAINE)	1946	5	9
York	Kittery	attached to rocks below tide level, Appledore Island (Isles of Shoals), Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1938	7	26
Cumberland	Harpswell	Inner Mark Island. Casco Bay	The New York Botanical Garden (NY)	1903	8	29
Sagadahoc	Phippsburg	Popham Beach	The New York Botanical Garden (NY)	1900	8
Cumberland	Portland	[no additional data]	Farlow Herbarium (Harvard University) (FH)	0
Cumberland	Portland	Portland, Maine	The New York Botanical Garden (NY)	0

References: 25

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 Portland Marine algae of New England and adjacent coast 1879 Farlow, W.G.. 1881. Marine algae of New England and adjacent coast.

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 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 Trenton Old House Cove, Mount Desert Narrows 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

Washington Lubec Offshore urchin farm, West Lubec Floristic studies of seaweeds from Cobscook Bay, Maine 2005 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 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 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 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

Cumberland Falmouth An historical comparison of seaweed populations from Casco Bay, Maine 1994 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 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 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

Cumberland Freeport 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

Sagadahoc Phippsburg 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

Cumberland Brunswick 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

Hancock Frenchboro Pond Island: located within Jericho Bay (44°13.3'N, 68°28.6'W) due north of Swans Island; ~4318m of shoreline. Collections were made on the sheltered SE and NE sides. 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.

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	Portland		Marine algae of New England and adjacent coast	1879	Farlow, W.G.. 1881. Marine algae of New England and adjacent coast.
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	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	Trenton	Old House Cove, Mount Desert Narrows	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
Washington	Lubec	Offshore urchin farm, West Lubec	Floristic studies of seaweeds from Cobscook Bay, Maine	2005	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	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	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	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
Cumberland	Falmouth		An historical comparison of seaweed populations from Casco Bay, Maine	1994	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	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	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
Cumberland	Freeport		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
Sagadahoc	Phippsburg		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
Cumberland	Brunswick		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
Hancock	Frenchboro	Pond Island: located within Jericho Bay (44°13.3'N, 68°28.6'W) due north of Swans Island; ~4318m of shoreline. Collections were made on the sheltered SE and NE sides.	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.

Observations: 2

County Township Location Year Month Day
Hancock Bar Harbor Hunters Cliffs 2022 1 31

Hancock Mount Desert Cooksey Drive 2021 1 8

Current Latin Name	Callithamnion tetragonum (Withering) S.F.Gray
Common Names
Family	Callithamniaceae
Order	Ceramiales
Class	Florideophyceae
Phylum	Rhodophyta
Type	Red
Comments