Search Seaweed Species

Current Latin NamePseudolithoderma extensum (P.Crouan & H.Crouan) S.Lund
Common Names
FamilyLithodermataceae
OrderSphacelariales
ClassPhaeophyceae
PhylumOchrophyta
TypeBrown
Comments

ALL LOCATIONS

County
Cumberland
Hancock
Knox
Lincoln
Sagadahoc
Waldo
Washington
York

Township
Bar Harbor
Beals
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Calais
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Damariscotta
Deer Isle
Eliot
Franklin
Georgetown
Hancock
Harpswell
Harrington
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Kittery
Lubec
Machias
Matinicus Isle Plantation
Mount Desert
North Haven
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Phippsburg
Portland
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Scarborough
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Sedgwick
Sorrento
South Portland
Steuben
Stonington
Trescott
Verona Island
Wells
York

CountyTownshipLocationInstitutionYearMonthDay
KnoxNorth HavenWooster Cove, North Haven Island, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199836
YorkYorkBrave Boat Harbor, Site #14, at mouth of a small tidal channel just downstream from innermost bridge pilings, approximately 1.11 km inland from mouth, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1998228
YorkKitterySeapoint Beach, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1997112
KnoxSaint GeorgeOtis Cove, St. George River, St. George, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199782
HancockMount DesertOtter Cove, Mount Desert, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19961025
SagadahocPhippsburgParker Head Road, at breakwater and tidal rapids, opposite Parker Head, Kennebec, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996613
WashingtonCalaisRed Beach Cove on the St. Croix, Calais, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996418
HancockStoningtonInner Harbor Bridge, Stonington Side, Route 15, Stonington, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996325
HancockDeer IsleEntrance Bridge at Route 15, Little Deer Island, Deer Isle, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996325
WashingtonTrescottMoose Cove at Rt. 191, Trescott, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996324
CumberlandHarpswellBasin Point, Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199629
YorkKennebunkParsons Beach, Kennebunk, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199624
CumberlandHarpswellOrr's Island bridge at Long Cove and Gun Point entrance, Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996125
LincolnBoothbayFarnham Point, off Route 96, opposite Rutherford Island, Damariscotta River, East Boothbay, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19951229
LincolnBoothbaySpruce Shores, Linekin Bay, East Boothbay, Boothbay, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995126
WashingtonPembrokeWilbur Neck, Dennys Bay, Pembroke, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995108
WaldoIslesboroDark Harbor, Islesboro, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995930
LincolnBoothbayTrevett Public Float, near Trevett Post Office, Back River, Boothbay, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995928
WaldoIslesboroThe Narrows, Islesboro, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995925
WashingtonMachiasMachiasport Station Bridge off Rt. 1, Machiasport, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995820
WaldoSearsportMoose Point State Park, Searsport, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995620
HancockDeer IsleEnd of Eggemoggin Road, Little Deer Isle, Eggemoggin, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995619
HancockSedgwickBryad Point, Entrance to Little Deer Isle, Route 15, Eggemoggin Reach, Sedgwick, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995619
HancockVerona IslandVerona Island, On Southwest Side of Island, Genesis Farm, Verona, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995618
LincolnDamariscottaDamariscotta Reversing Falls, Damariscotta River, Damariscotta, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995616
CumberlandSouth PortlandMouth of the Fore River, just in from Fort Preble and near a boat ramp area, South Portland, Portland, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995519
CumberlandScarboroughPine Point Breakwater and nearby River mouth, Scarborough, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199555
YorkYorkEast Point, near Stage Neck, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199554
CumberlandPortlandPeaks Island, Casco Bay, Portland, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995422
HancockHancockSullivan Falls, Sullivan Harbor, Hancock MaineUniversity of New Hampshire - Macroalgal Collection (NHA)1995418
HancockHancockSullivan Falls, Sullivan Harbor, Hancock, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995418
LincolnBoothbayEast Boothbay public boat ramp, Linekin Bay, Boothbay, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995418
WashingtonCutlerNorth Cutler boat ramp, North Cutler, Cutler, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995417
WashingtonHarringtonRipley Neck, Harrington, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995417
WashingtonSteubenPetit Manan National Wildlife Refuge, Steuben, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995416
WashingtonLubecWest Quoddy Head, Lubec, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199542
HancockSorrentoEastern Point, opposite Preble Island, Sorrento, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199541
HancockMount DesertRoute 102 near Tidal Dam, Somesville, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995325
SagadahocGeorgetownsouth end of Beal Island, Sasanoa River, Georgetown, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994102
WashingtonPembrokeend of Hersey Neck Road near Garnet Point and the mouth of the Pennamaquan River, Pembroke, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994819
WashingtonPerryGleason Cove, mouth of the Little River at a boat ramp, Perry, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994819
YorkWellsLaudholm Beach, Wells Estuarine Research Reserve, Wells, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199487
YorkYorkYork River Estuary #16, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19841214
YorkYorkYork River Estuary #14, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1984121
YorkYorkYork River Estuary #12, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19841130
YorkEliotStation #17, near the Schiller Power plant, Piscataqua River, Eliot, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977113
YorkKitteryDuck Island, Isles of Shoals, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977816
YorkKitteryCedar Island, Isles of Shoals, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977527
YorkYorkYork Beach, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1967315

CountyTownshipLocationReference TitleYearCitation
HancockMount DesertA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1890Mathieson, 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
WashingtonLubecWest Quoddy HeadA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1966Mathieson, 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
WashingtonCutlerA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1967Mathieson, 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
HancockBar HarborA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1967Mathieson, 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
WashingtonMachiasA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1975Mathieson, 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
WashingtonSteubenA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1987Mathieson, 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
WashingtonSteubenPetit Manan National Wildlife RefugeA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1987Mathieson, 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
WashingtonCalaisA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1994Mathieson, 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
WashingtonPembrokeA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1994Mathieson, 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
WashingtonHarringtonA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1994Mathieson, 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
WashingtonPembrokeWilbur Neck at Young Cove, Dennys BayA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1994Mathieson, 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
WashingtonBealsA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1995Mathieson, 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
HancockSorrentoA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1995Mathieson, 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
HancockFranklinA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1995Mathieson, 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
WashingtonBealsGreat Wass Island NW tip - before Beals IslandA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1995Mathieson, 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
WashingtonPerryA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1996Mathieson, 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
WashingtonLubecA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1996Mathieson, 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
WashingtonTrescottA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1996Mathieson, 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
WashingtonHarringtonRipley Neck, opposite Hen and Hog IslandsA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1996Mathieson, 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
HancockMount DesertSomesville, at Route 102 and a tidal streamFloristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison1995Mathieson, 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
HancockBar HarborOtter Cove, Bar HarborFloristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison1996Mathieson, 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
WashingtonPembrokePennamaquan River mouth, PembrokeFloristic studies of seaweeds from Cobscook Bay, Maine1994Mathieson, 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
YorkKitterySeaweeds of the Brave Boat Harbor salt marsh and adjacent open coast of southern Maine1965Mathieson, 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
YorkYorkSeaweeds of the Brave Boat Harbor salt marsh and adjacent open coast of southern Maine1965Mathieson, 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
YorkYorkAlgal vegetation of the York River estuary and the adjacent open coast of southern Maine1978Mathieson, 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
CumberlandSouth PortlandAn historical comparison of seaweed populations from Casco Bay, Maine1995Mathieson, 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
CumberlandPortlandAn historical comparison of seaweed populations from Casco Bay, Maine1995Mathieson, 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
CumberlandHarpswellAn historical comparison of seaweed populations from Casco Bay, Maine1996Mathieson, 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
YorkKitteryCedar IslandA comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands1985Mathieson, 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
YorkKitteryDuck IslandA comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands1985Mathieson, 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
KnoxMatinicus Isle PlantationWooden 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 madeA comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands1985Mathieson, 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 Ocean0South, G.R. and I. Tittley. 1986. A checklist and distributional index of the benthic marine algae of the north Atlantic Ocean.

CountyTownshipLocationYearMonthDay