County

Cumberland
Hancock
Lincoln
Unknown
Washington
York

Township

Biddeford
Cape Elizabeth
Chebeague Island
Eliot
Freeport
Harpswell
Kittery
Pembroke
Portland
Saco
Scarborough
South Portland
Southwest Harbor
Tremont
Trescott
UNKNOWN
Westport Island
Wiscasset
York

Vouchers: 34

County Township Location Institution Year Month Day
Cumberland Freeport Brewer Freeport Marina University of New Hampshire - Macroalgal Collection (NHA) 2023 8 9

Hancock Tremont Bass Harbor, Mount Desert Island, ME University of New Hampshire - Macroalgal Collection (NHA) 2014 9 13

York York Nubble Lighthouse, Cape Neddick, York, ME University of New Hampshire - Macroalgal Collection (NHA) 2014 7 21

York Biddeford Wood Island, mouth of the Saco River and at the entrance of Biddeford Pool, ME University of New Hampshire - Macroalgal Collection (NHA) 2013 8 14

Cumberland South Portland Spring Point Marina, South Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 2010 7 31

Cumberland Harpswell at end of Rt. 123 near Potts Point, South Harpswell, Harpswell ME University of New Hampshire - Macroalgal Collection (NHA) 2000 11 11

Cumberland Cape Elizabeth Cape Elizabeth Light, Cape Elizabeth ME University of New Hampshire - Macroalgal Collection (NHA) 1999 12 30

Washington Trescott Crows Neck, Trescott, ME University of New Hampshire - Macroalgal Collection (NHA) 1999 10 31

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

Cumberland Chebeague Island Deer Point, Casco Bay, Chebeague Island ME University of New Hampshire - Macroalgal Collection (NHA) 1998 1 20

York York mouth of the Brave Boat Harbor, north bank, site BBHN, York, ME University of New Hampshire - Macroalgal Collection (NHA) 1997 12 26

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

Cumberland Chebeague Island Deer Point, Casco Bay, Great Chebeague Island, Cumberland ME University of New Hampshire - Macroalgal Collection (NHA) 1996 7 21

Lincoln Wiscasset Sheepscot River at bridge and boat ramp, Wiscasset, ME University of New Hampshire - Macroalgal Collection (NHA) 1996 6 22

Cumberland Scarborough Higgins Beach, Scarborough ME University of New Hampshire - Macroalgal Collection (NHA) 1996 1 26

Washington Pembroke Wilbur Neck, Dennys Bay, Pembroke, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 10 9

Washington Pembroke Reversing Falls State Park, Cobscook Bay, Pembroke, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 10 8

York Saco ocean side of breakwater at Saco River mouth, Saco, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 6 28

York Kittery site #4, Kittery Side of outermost Brave Boat Harbor just upstream from the outermost bridge pilings & near the mouth of the first major tributary delineating Cutts Island; approximately 0.38 km inland from the mouth, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1987 11 26

York York York River Estuary, # 17 intertidal, ME University of New Hampshire - Macroalgal Collection (NHA) 1984 12 14

York York York River Estuary, # 18 intertidal, ME University of New Hampshire - Macroalgal Collection (NHA) 1984 12 14

York Eliot located just across Piscataqua River from PSCO Schiller plant in the intertidal zone, station 17d, SCUBA, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1978 11 1

York Eliot near the site of the Schiller Power Plant, Piscataqua River, subtidal, station # 17, SCUBA, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 11 3

York Eliot east bank of the Piscataqua River, just upstream from Adlington Creek and near a large public dock, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 17

York Eliot Piscataqua River, east bank, first major promontory upstream from Stacy Creek, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 2

York Eliot Piscataqua River, east bank, near the mouth of Stacy Creek, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 8 2

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

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

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

York Eliot near the site of the Schiller Power Plant, Piscataqua River, subtidal, station # 17, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1973 8 13

York Eliot opposite the Schiller Power Plant, on the Maine side of the river, Piscataqua River, subtidal, station # 17, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1970 9 14

York Eliot near the Schiller Power Plant, subtidal, station # 13, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1970 9 11

York Eliot Searles Cove, Piscataqua River, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1966 7 2

Unknown UNKNOWN Maine Farlow Herbarium (Harvard University) (FH) 0

County	Township	Location	Institution	Year	Month	Day
Cumberland	Freeport	Brewer Freeport Marina	University of New Hampshire - Macroalgal Collection (NHA)	2023	8	9
Hancock	Tremont	Bass Harbor, Mount Desert Island, ME	University of New Hampshire - Macroalgal Collection (NHA)	2014	9	13
York	York	Nubble Lighthouse, Cape Neddick, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	2014	7	21
York	Biddeford	Wood Island, mouth of the Saco River and at the entrance of Biddeford Pool, ME	University of New Hampshire - Macroalgal Collection (NHA)	2013	8	14
Cumberland	South Portland	Spring Point Marina, South Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	2010	7	31
Cumberland	Harpswell	at end of Rt. 123 near Potts Point, South Harpswell, Harpswell ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	11	11
Cumberland	Cape Elizabeth	Cape Elizabeth Light, Cape Elizabeth ME	University of New Hampshire - Macroalgal Collection (NHA)	1999	12	30
Washington	Trescott	Crows Neck, Trescott, ME	University of New Hampshire - Macroalgal Collection (NHA)	1999	10	31
Cumberland	Portland	"The Bluffs", Cliffs Island, Casco Bay, Portland ME	University of New Hampshire - Macroalgal Collection (NHA)	1998	10	6
Cumberland	Chebeague Island	Deer Point, Casco Bay, Chebeague Island ME	University of New Hampshire - Macroalgal Collection (NHA)	1998	1	20
York	York	mouth of the Brave Boat Harbor, north bank, site BBHN, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	1997	12	26
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
Cumberland	Chebeague Island	Deer Point, Casco Bay, Great Chebeague Island, Cumberland ME	University of New Hampshire - Macroalgal Collection (NHA)	1996	7	21
Lincoln	Wiscasset	Sheepscot River at bridge and boat ramp, Wiscasset, ME	University of New Hampshire - Macroalgal Collection (NHA)	1996	6	22
Cumberland	Scarborough	Higgins Beach, Scarborough ME	University of New Hampshire - Macroalgal Collection (NHA)	1996	1	26
Washington	Pembroke	Wilbur Neck, Dennys Bay, Pembroke, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	10	9
Washington	Pembroke	Reversing Falls State Park, Cobscook Bay, Pembroke, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	10	8
York	Saco	ocean side of breakwater at Saco River mouth, Saco, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	6	28
York	Kittery	site #4, Kittery Side of outermost Brave Boat Harbor just upstream from the outermost bridge pilings & near the mouth of the first major tributary delineating Cutts Island; approximately 0.38 km inland from the mouth, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1987	11	26
York	York	York River Estuary, # 17 intertidal, ME	University of New Hampshire - Macroalgal Collection (NHA)	1984	12	14
York	York	York River Estuary, # 18 intertidal, ME	University of New Hampshire - Macroalgal Collection (NHA)	1984	12	14
York	Eliot	located just across Piscataqua River from PSCO Schiller plant in the intertidal zone, station 17d, SCUBA, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1978	11	1
York	Eliot	near the site of the Schiller Power Plant, Piscataqua River, subtidal, station # 17, SCUBA, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	11	3
York	Eliot	east bank of the Piscataqua River, just upstream from Adlington Creek and near a large public dock, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	17
York	Eliot	Piscataqua River, east bank, first major promontory upstream from Stacy Creek, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	2
York	Eliot	Piscataqua River, east bank, near the mouth of Stacy Creek, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	8	2
York	Eliot	near the site of the Schiller Power Plant, Piscataqua River, station # 17, SCUBA, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	7	28
York	Eliot	Schiller Power Plant, station 17d, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	11	4
York	Eliot	near the site of the Schiller Power Plant, Piscataqua River, subtidal, station # 17, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	7	23
York	Eliot	near the site of the Schiller Power Plant, Piscataqua River, subtidal, station # 17, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1973	8	13
York	Eliot	opposite the Schiller Power Plant, on the Maine side of the river, Piscataqua River, subtidal, station # 17, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1970	9	14
York	Eliot	near the Schiller Power Plant, subtidal, station # 13, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1970	9	11
York	Eliot	Searles Cove, Piscataqua River, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1966	7	2
Unknown	UNKNOWN	Maine	Farlow Herbarium (Harvard University) (FH)	0

References: 15

County Township Location Reference Title Year Citation
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 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 Pembroke Wilbur Neck at Young Cove, Dennys Bay 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 Tremont 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 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 Pembroke Reversing Falls Park, opposite Falls Island, Pembroke Floristic studies of seaweeds from Cobscook Bay, Maine 1994 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 Trescott Crows Neck, Trescott Floristic studies of seaweeds from Cobscook Bay, Maine 1999 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 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 Chebeague Island 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 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 Chebeague Island 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 Cape Elizabeth 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

Cumberland Harpswell 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

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
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	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	Pembroke	Wilbur Neck at Young Cove, Dennys Bay	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	Tremont		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	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	Pembroke	Reversing Falls Park, opposite Falls Island, Pembroke	Floristic studies of seaweeds from Cobscook Bay, Maine	1994	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	Trescott	Crows Neck, Trescott	Floristic studies of seaweeds from Cobscook Bay, Maine	1999	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	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	Chebeague Island		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	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	Chebeague Island		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	Cape Elizabeth		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
Cumberland	Harpswell		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
			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: 0

County Township Location Year Month Day

Current Latin Name	Vertebrata nigra (Hudson) Díaz-Tapia & Maggs
Common Names	Twisted Siphon Weed
Family	Rhodomelaceae
Order	Ceramiales
Class	Florideophyceae
Phylum	Rhodophyta
Type	Red
Comments