County

Cumberland
Hancock
Knox
Unknown
Washington
York

Township

Brunswick
Cape Elizabeth
Castine
Eastport
Eliot
Freeport
Frenchboro
Friendship
Harpswell
Isle au Haut
Kittery
Milbridge
Mount Desert
Old Orchard Beach
Owls Head
Pembroke
Portland
Rockport
Saco
South Portland
UNKNOWN
Vinalhaven
York

Vouchers: 55

County Township Location Institution Year Month Day
Cumberland Freeport Brewer South Freeport Marine, South Freeport, ME University of New Hampshire - Macroalgal Collection (NHA) 2007 7 28

Knox Owls Head Owls Head Lighthouse near Rockland University of New Brunswick Fredericton (UNB(CEMAR)) 2005 4 15

Cumberland South Portland Spring Point Marina, South Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 2003 8 4

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

Cumberland Portland Fore River, at international ferry terminal, Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 9 23

Knox Friendship Confluence of the Meadowmak River and Muscongus Bay, Martin Point, Friendship, ME University of New Hampshire - Macroalgal Collection (NHA) 2000 3 18

Cumberland Brunswick New Meadow River, at Route 24, Brunswick, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 8 14

Cumberland Portland Diamond Cove on Great Diamond Island, Casco Bay, Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 8 3

Washington Pembroke Reversing Falls Park, Pembroke, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 7 9

York Saco Little Stratton Island, Old Orchard Beach, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 6 19

York Old Orchard Beach Googin's Rock near Ocean Park, Old Orchard Beach, ME University of New Hampshire - Macroalgal Collection (NHA) 1995 5 3

Hancock Castine Castine Harbor on Bagaduce River, Castine, ME University of New Hampshire - Macroalgal Collection (NHA) 1994 11 6

Hancock Frenchboro Long Island, Penobscot Bay, Frenchboro, ME University of New Hampshire - Macroalgal Collection (NHA) 1986 6 7

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

York Eliot SCUBA 20 feet, station 17d, across Piscataqua River, PSCO Schiller Plant, Eliot, ME University of New Hampshire - Macroalgal Collection (NHA) 1978 8 29

York Kittery SCUBA 60 feet, Appledore Island, Devil's Glen, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 6 26

York Kittery Cedar Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1977 6 22

York Kittery SCUBA 70-90 feet, Cedar Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 8 28

York York growing on stalked tunicate, 45-60 feet, Boon Island, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 6 30

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

York Kittery -45 to -55 feet, Duck Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 4 16

York Kittery Duck Island, SCUBA, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1976 4 16

York York epiphytic on Laminaria near the lower littoral zone, Nubble Light, York, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 11 17

York Kittery diving 60 feet, east side of Appledore Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1975 6 11

York Kittery east side of breakwater between Smuttynose and Cedar Islands, SCUBA, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1971 3 4

York Kittery Smuttynose Island, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1970 8 6

York Kittery Smuttynose Island, SCUBA, Isles of Shoals, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1970 8 6

York Kittery Kittery Point, SCUBA, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1969 8 14

York York Bald Head Cliff, York, ME University of New Hampshire - Macroalgal Collection (NHA) 1969 5 3

York York sublittoral, Bald Head Cliff, York, ME University of New Hampshire - Macroalgal Collection (NHA) 1969 5 3

York Kittery west side of Appledore Island in approximately 70 feet of water, Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1968 5 28

Cumberland Portland Portland Harbor University of Maine Herbaria (MAINE) 1965 3 31

Washington Milbridge Millbridge, Washington Co. University of Maine Herbaria (MAINE) 1963 11 29

York York Bald Head, York, ME University of Rhode Island (KIRI) 1952 2 8

York York Bald Head, York, ME University of New Hampshire - Macroalgal Collection (NHA) 1952 2 8

Cumberland Harpswell Orrs Island, Casco Bay University of Michigan (MICH) 1939 6 27

York Kittery dredged in approximately 70 feet, east of Appledore Island (Isles of Shoals), Kittery, ME University of New Hampshire - Macroalgal Collection (NHA) 1938 7 26

Knox Rockport Rockport, Maine The New York Botanical Garden (NY) 1915 5 2

Unknown UNKNOWN Penobscot Bay Butler University (BUT) 1915 5 1

Knox Rockport Jameson's Point, Rockport, Me Farlow Herbarium (Harvard University) (FH) 1915 4 5

Knox Rockport [no additional data] Farlow Herbarium (Harvard University) (FH) 1915

Cumberland Harpswell Harpswell The New York Botanical Garden (NY) 1904 7 6

Knox Isle au Haut York Island The New York Botanical Garden (NY) 1894 7 0

Cumberland Cape Elizabeth Delano Park, Cape Elizabeth, ME University of New Hampshire - Macroalgal Collection (NHA) 1890 6

Hancock Mount Desert Seal Harbor, ME New England Botanical Club (NEBC) 1890 0 0

Cumberland Portland Whitehead Passage, Portland, ME University of New Hampshire - Macroalgal Collection (NHA) 1883 5 9

Washington Eastport [no additional data] Farlow Herbarium (Harvard University) (FH) 1877 0 0

Cumberland Portland Portland Field Museum of Natural History (F) 1873 9

Cumberland Portland Portland The New York Botanical Garden (NY) 1873 9

Cumberland Portland Portland, ME Yale University Herbarium (YPM-YU) 1873 9

Cumberland Portland West Cod ledge, Casco bay Field Museum of Natural History (F) 1873 0 0

Cumberland Portland Casco bay, West Cod ledge The New York Botanical Garden (NY) 1873 0 0

Cumberland Portland Casco bay, West Cod ledge Yale University Herbarium (YPM-YU) 1873

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	Freeport	Brewer South Freeport Marine, South Freeport, ME	University of New Hampshire - Macroalgal Collection (NHA)	2007	7	28
Knox	Owls Head	Owls Head Lighthouse near Rockland	University of New Brunswick Fredericton (UNB(CEMAR))	2005	4	15
Cumberland	South Portland	Spring Point Marina, South Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	2003	8	4
Cumberland	Harpswell	Bailey's Island, Giant's Staircase, Harpswell, ME	University of New Hampshire - Macroalgal Collection (NHA)	2001	12	11
Cumberland	Portland	Fore River, at international ferry terminal, Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	9	23
Knox	Friendship	Confluence of the Meadowmak River and Muscongus Bay, Martin Point, Friendship, ME	University of New Hampshire - Macroalgal Collection (NHA)	2000	3	18
Cumberland	Brunswick	New Meadow River, at Route 24, Brunswick, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	8	14
Cumberland	Portland	Diamond Cove on Great Diamond Island, Casco Bay, Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	8	3
Washington	Pembroke	Reversing Falls Park, Pembroke, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	7	9
York	Saco	Little Stratton Island, Old Orchard Beach, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	6	19
York	Old Orchard Beach	Googin's Rock near Ocean Park, Old Orchard Beach, ME	University of New Hampshire - Macroalgal Collection (NHA)	1995	5	3
Hancock	Castine	Castine Harbor on Bagaduce River, Castine, ME	University of New Hampshire - Macroalgal Collection (NHA)	1994	11	6
Hancock	Frenchboro	Long Island, Penobscot Bay, Frenchboro, ME	University of New Hampshire - Macroalgal Collection (NHA)	1986	6	7
Knox	Vinalhaven	Hurricane Island, SCUBA, Vinalhaven, ME	University of New Hampshire - Macroalgal Collection (NHA)	1986	6	1
York	Eliot	SCUBA 20 feet, station 17d, across Piscataqua River, PSCO Schiller Plant, Eliot, ME	University of New Hampshire - Macroalgal Collection (NHA)	1978	8	29
York	Kittery	SCUBA 60 feet, Appledore Island, Devil's Glen, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	6	26
York	Kittery	Cedar Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1977	6	22
York	Kittery	SCUBA 70-90 feet, Cedar Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	8	28
York	York	growing on stalked tunicate, 45-60 feet, Boon Island, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	6	30
York	Kittery	upper subtidal zone, Smuttynose Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	16
York	Kittery	-45 to -55 feet, Duck Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	16
York	Kittery	Duck Island, SCUBA, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1976	4	16
York	York	epiphytic on Laminaria near the lower littoral zone, Nubble Light, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	11	17
York	Kittery	diving 60 feet, east side of Appledore Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1975	6	11
York	Kittery	east side of breakwater between Smuttynose and Cedar Islands, SCUBA, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1971	3	4
York	Kittery	Smuttynose Island, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1970	8	6
York	Kittery	Smuttynose Island, SCUBA, Isles of Shoals, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1970	8	6
York	Kittery	Kittery Point, SCUBA, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1969	8	14
York	York	Bald Head Cliff, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	1969	5	3
York	York	sublittoral, Bald Head Cliff, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	1969	5	3
York	Kittery	west side of Appledore Island in approximately 70 feet of water, Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1968	5	28
Cumberland	Portland	Portland Harbor	University of Maine Herbaria (MAINE)	1965	3	31
Washington	Milbridge	Millbridge, Washington Co.	University of Maine Herbaria (MAINE)	1963	11	29
York	York	Bald Head, York, ME	University of Rhode Island (KIRI)	1952	2	8
York	York	Bald Head, York, ME	University of New Hampshire - Macroalgal Collection (NHA)	1952	2	8
Cumberland	Harpswell	Orrs Island, Casco Bay	University of Michigan (MICH)	1939	6	27
York	Kittery	dredged in approximately 70 feet, east of Appledore Island (Isles of Shoals), Kittery, ME	University of New Hampshire - Macroalgal Collection (NHA)	1938	7	26
Knox	Rockport	Rockport, Maine	The New York Botanical Garden (NY)	1915	5	2
Unknown	UNKNOWN	Penobscot Bay	Butler University (BUT)	1915	5	1
Knox	Rockport	Jameson's Point, Rockport, Me	Farlow Herbarium (Harvard University) (FH)	1915	4	5
Knox	Rockport	[no additional data]	Farlow Herbarium (Harvard University) (FH)	1915
Cumberland	Harpswell	Harpswell	The New York Botanical Garden (NY)	1904	7	6
Knox	Isle au Haut	York Island	The New York Botanical Garden (NY)	1894	7	0
Cumberland	Cape Elizabeth	Delano Park, Cape Elizabeth, ME	University of New Hampshire - Macroalgal Collection (NHA)	1890	6
Hancock	Mount Desert	Seal Harbor, ME	New England Botanical Club (NEBC)	1890	0	0
Cumberland	Portland	Whitehead Passage, Portland, ME	University of New Hampshire - Macroalgal Collection (NHA)	1883	5	9
Washington	Eastport	[no additional data]	Farlow Herbarium (Harvard University) (FH)	1877	0	0
Cumberland	Portland	Portland	Field Museum of Natural History (F)	1873	9
Cumberland	Portland	Portland	The New York Botanical Garden (NY)	1873	9
Cumberland	Portland	Portland, ME	Yale University Herbarium (YPM-YU)	1873	9
Cumberland	Portland	West Cod ledge, Casco bay	Field Museum of Natural History (F)	1873	0	0
Cumberland	Portland	Casco bay, West Cod ledge	The New York Botanical Garden (NY)	1873	0	0
Cumberland	Portland	Casco bay, West Cod ledge	Yale University Herbarium (YPM-YU)	1873
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 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

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 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 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 Eastport 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 Mount Desert Seal Harbor, near Crowninshield Point, Mount Desert Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison 1888 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 1872 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 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 Pembroke Reversing Falls Park, opposite Falls Island, Pembroke Floristic studies of seaweeds from Cobscook Bay, Maine 1995 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

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 Cape Elizabeth An historical comparison of seaweed populations from Casco Bay, Maine 1890 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

Cumberland 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

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

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 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 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 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.

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
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	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	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	Eastport		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	Mount Desert	Seal Harbor, near Crowninshield Point, Mount Desert	Floristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison	1888	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	1872	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	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	Pembroke	Reversing Falls Park, opposite Falls Island, Pembroke	Floristic studies of seaweeds from Cobscook Bay, Maine	1995	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
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	Cape Elizabeth		An historical comparison of seaweed populations from Casco Bay, Maine	1890	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
Cumberland	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
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
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	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	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			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.

Observations: 1

County Township Location Year Month Day
Hancock Mount Desert Seal Harbor Beach 2020 3 14

Current Latin Name	Scagelia pylaisaei (Montagne) M.J.Wynne
Common Names	Silty Shrublet
Family	Ceramiaceae
Order	Ceramiales
Class	Florideophyceae
Phylum	Rhodophyta
Type	Red
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