Search Seaweed Species

Current Latin NameUlva paradoxa C.Agardh
Common Names
FamilyUlvaceae
OrderUlvales
ClassUlvophyceae
PhylumChlorophyta
TypeGreen
Comments

ALL LOCATIONS

County
Cumberland
Hancock
Knox
Lincoln
Sagadahoc
Unknown
Waldo
Washington
York

Township
Addison
Bar Harbor
Bath
Belfast
Biddeford
Bristol
Brooksville
Cape Elizabeth
Chebeague Island
Cranberry Isles
Cumberland
Eastport
Edgecomb
Eliot
Georgetown
Harpswell
Harrington
Jonesport
Kittery
Lamoine
Lubec
Machiasport
Monhegan Island Plantation
Mount Desert
Newcastle
Ogunquit
Pembroke
Penobscot
Phippsburg
Portland
Rockland
Saint George
Scarborough
Sedgwick
South Bristol
Southwest Harbor
Stockton Springs
Thomaston
UNKNOWN
Wells
West Bath
Wiscasset
York

CountyTownshipLocationInstitutionYearMonthDay
CumberlandHarpswellPotts Point, (South) Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1999916
WashingtonJonesportSandy River Beach, Jonesport, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19981130
YorkKitterysite # 9, Brave Boat Harbor marsh, approximately 0.65 km inland from mouth and somewhat diagonal (south west) from an embayment on the York shoreline, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19971114
YorkKitterySeapoint, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1997926
HancockSedgwickSalt Pond, near Hales Road and Rt. 172, Sedgwick, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1997823
SagadahocBathNew Meadows River, upper tidal portion near Old Brunswick Road, Bath, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199689
CumberlandChebeague IslandDeer Point, Casco Bay, (Great) Chebeague Island, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996721
CumberlandChebeague IslandDeer Point, Great Chebeague Island, Cumberland, Casco Bay, Chebeague Island, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996721
LincolnNewcastleReversing Falls, Sheepscot River, Newcastle, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996619
SagadahocPhippsburgParker Head Road at breakwater and tidal rapids, Kennebec River, Phippsburg, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996613
LincolnSouth Bristoljust south of Christmas Cove and off Sand Cove Road, at Johns Bay and near mouth of the Damariscotta River, South Bristol, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996518
LincolnNewcastleSalt Bay (upper Damariscotta River) on SW side, Newcastle, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996518
KnoxThomastonMill River mouth, at RR bridge, Thomaston, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199655
WaldoBelfastCity Point, Passagassawakeag River, Belfast, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199654
WashingtonPembrokeHersey Point, Pembroke, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996419
WashingtonMachiasportMachias River at Machiasport Station, Machiasport, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996419
YorkOgunquitOgunquit River at 2nd bridge from mouth near Ogunquit Beach, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199645
LincolnNewcastleSalt Bay (upper Damariscotta River) on SW side, Newcastle, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1996318
LincolnEdgecombDamariscotta River, off of Merry Island Road and at a private home " Pirates Retreat" near Bennett Neck, East Edgecomb, Edgecomb, MEUniversity of New Hampshire - Macroalgal Collection (NHA)19951229
WashingtonPembrokeWilbur Neck, Pembroke, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995108
CumberlandHarpswellGiant Staircase, Bailey's Island, SE side facing Pond Island and Pond Island Ledge, Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995829
CumberlandCape ElizabethCape Elizabeth Light, Cape Elizabeth, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995826
SagadahocPhippsburgMorse Cove Boat Ramp, Phippsburg, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995812
CumberlandHarpswellBailey's Island bridge at Rt. 24, Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995730
LincolnBristolPemaquid Point, Bristol, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995719
WaldoStockton Springsembayment/ bridge area off of West Cape Road, Cape Jellison, Stockton Springs, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995618
KnoxRocklandMarie Reed Breakwater Park (breakwater and beach), Rockland, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1995617
CumberlandCumberlandBroad Cove, at end of Town Landing Road, Cumberland, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199534
HancockPenobscotend of Johnson Point, Bagaduce River, Penobscot, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994115
SagadahocGeorgetownCastle Island Ledge, offshore of Castle Island proper, at junction of Sassanoa River and Back Rivers/Hockomock Bay, Georgetown, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994102
WaldoBelfastGoose Creek tributary off of Passagassawakeag River near Patterson Point and at the entrance to Belfast Bay, Belfast, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994911
LincolnWiscasseton the Chewonki Campground Waterfront up to Hoyt's Point, Back River (Sheepscot), Wiscasset, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994826
YorkWellsWebhannet River near the junction of Mile Road and Beach (Ocean) Road, Wells, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199488
SagadahocPhippsburgopposite Parker Head on Mill Pond and a little North of Fort Popham, Phippsburg, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199486
SagadahocPhippsburgopposite Squirrel Point Light and Goat Island, Kennebec River, Phippsburg, MEUniversity of New Hampshire - Macroalgal Collection (NHA)199486
SagadahocWest Bathbridge/marsh area at junction of Old Brunswick Road and Ridge Road, West Bath, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994731
CumberlandHarpswellCundy's Harbor, off of the New Meadow's River, Harpswell, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994731
CumberlandScarboroughPine Point Beach--i.e. at a boat ramp just upstream from breakwater, Scarborough, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994723
WashingtonAddisonbridge at Knowles Brook, i.e. Pleasant River, Addison, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994722
WashingtonHarringtoni.e. a bridge/ culvert area off of Ripley Road, Harrington River near Coles Point, Harrington, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994722
LincolnMonhegan Island Plantationtide pool, Lobster Cove, Monhegan Island, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994715
YorkBiddefordi.e. Saco River, on docks of the University of New England campus, Biddeford, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1994628
YorkEliotPiscataqua River, east bank opposite Hilton Park, Eliot, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977817
YorkEliotPiscataqua River, just north of Adlington Creek, on the east bank, Eliot, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977817
YorkKitterySmuttynose Island, Isles of Shoals, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1977816
YorkKitteryupper tide pool, Appledore Island, Isles of Shoals, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1976828
YorkYorkNubble Light House, attached to Fucus spiralis in the lower littoral zone, exposed. York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1975920
CumberlandHarpswellGiant's Staircase, Bailey IslandUniversity of Michigan (MICH)1971731
YorkEliotintertidal, station # 23, near the Schiller Power Plant, Eliot, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1970910
HancockLamoineMaroborough, Lamoine, Hancock Co.University of Maine Herbaria (MAINE)1967419
YorkYorkBald Head Cliffs, York, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1966817
YorkKitterySmuttynose Island, Isles of Shoals, Kittery, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1966722
WashingtonLubecPirate Creek, Estuary in North Lubec, Lubec, MEUniversity of New Hampshire - Macroalgal Collection (NHA)1966521
WashingtonLubecEstuary at North Lubec, MEUniversity of South Florida (USF)1966521
CumberlandCape ElizabethPond CoveUniversity of Michigan (MICH)1927101
CumberlandHarpswellHarpswell, MarshPool, Storm pointField Museum of Natural History (F)1905713
CumberlandUnknownMarsh pool, Storm pointField Museum of Natural History (F)1905713
CumberlandHarpswellStorm [Stover's] Point, marsh poolThe New York Botanical Garden (NY)1905713
CumberlandHarpswellRagged Island, Casco BayField Museum of Natural History (F)190270
CumberlandHarpswellCasco Bay, Ragged IslandThe New York Botanical Garden (NY)19027
HancockBrooksvilleCape Rosier, MEBrown University (BRU)189670
HancockBrooksvilleCape RosierDrexel University, Academy of Natural Sciences (PH)189670
UnknownUNKNOWNMaine [No other location details]Field Museum of Natural History (F)189670
HancockBrooksvilleCape RosierField Museum of Natural History (F)189670
HancockBrooksvilleCape RosierMiami University (MU)189670
HancockBrooksvilleCape RosierMichigan State University (MSC)189670
HancockBrooksvilleCape Rosier, in tide pools, on Cladophora glaucescensThe New York Botanical Garden (NY)189670
HancockBrooksvilleCape Rosier, MEYale University Herbarium (YPM-YU)189670
HancockBrooksvilleCape RosierUniversity of Michigan (MICH)18967
HancockBrooksvilleCape RosierCanadian Museum of Nature, Ottawa (CANA)1896
HancockBrooksvilleCape Rosier, MEBrown University (BRU)189570
HancockBrooksvilleCape RosierDrexel University, Academy of Natural Sciences (PH)189570
HancockBrooksvilleCape RosierField Museum of Natural History (F)189570
HancockBrooksvilleCape RosierMiami University (MU)189570
HancockBrooksvilleCape RosierMichigan State University (MSC)189570
HancockBrooksvilleCape RosierThe New York Botanical Garden (NY)189570
HancockBrooksvilleCape Rosier, MEUniversity of Connecticut (CONN)189570
HancockBrooksvilleCape RosierUniversity of Michigan (MICH)189570
HancockBrooksvilleCape Rosier, MEYale University Herbarium (YPM-YU)189570
HancockBrooksvilleCape RosierCanadian Museum of Nature, Ottawa (CANA)1895
HancockBrooksvilleSpectacle Island, Penobscot Bay, MEFarlow Herbarium (Harvard University) (FH)18947
HancockBrooksvilleSpectacle Is. [Island]University of North Carolina at Chapel Hill Herbarium (NCU)18947
HancockCranberry IslesLittle Cranberry Island, MENew England Botanical Club (NEBC)18902121
HancockMount DesertShore near Seal Harbor, Mount Desert Island, MENew England Botanical Club (NEBC)18902020
HancockMount DesertSeal Harbor, MENew England Botanical Club (NEBC)18892424
KnoxSaint GeorgeSt. Georges Bay, MEBrown University (BRU)1888712
CumberlandPortlandPeaks Island, MEFarlow Herbarium (Harvard University) (FH)1861
HancockBrooksvilleCape Rosier, MEFarlow Herbarium (Harvard University) (FH)000
YorkKitteryKittery Point, MEFarlow Herbarium (Harvard University) (FH)0
CumberlandPortlandPortland, MEFarlow Herbarium (Harvard University) (FH)0
CumberlandPortlandPortlandUniversity of Michigan (MICH)0
KnoxSaint GeorgeSt. Georges Bay, MEUniversity of Connecticut (CONN)0
CumberlandPortlandPortlandDrexel University, Academy of Natural Sciences (PH)0

CountyTownshipLocationReference TitleYearCitation
CumberlandHarpswellThe marine algae of Casco Bay1911Collins, F.S.. 1911. The marine algae of Casco Bay. Proceedings of the Portland Society of Natural History 2(9):257-282
CumberlandPortlandOn the shore zones and limits of marine plants on the New England coast of the United States1861Kemp, A.F.. 1862. On the shore zones and limits of marine plants on the New England coast of the United States. Canadian Naturalist and Geologist 7:20-34
WashingtonJonesportA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1871Mathieson, 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 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
HancockSouthwest HarborA comparison of Marine and estuarine algal populations from downeast Maine and eight contiguous northwest Atlantic areas1897Mathieson, 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
WashingtonMachiasportA 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
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
WashingtonAddisonA 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
WashingtonAddisonPleasant River at Knowles BrookA 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
WashingtonHarringtonHarrington River, near Coles Point off Ripley Neck RoadA 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
WashingtonEastportA 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
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
HancockMount DesertSeal Harbor, near Crowninshield Point, Mount DesertFloristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison1888Mathieson, 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
HancockCranberry IslesLittle Cranberry Isle, Cranberry IslesFloristic and zonation studies of seaweeds from Mount Desert Island, Maine: an historical comparison1889Mathieson, 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
WashingtonLubecPirates Creek, LubecFloristic studies of seaweeds from Cobscook Bay, Maine1966Mathieson, 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
WashingtonPembrokePennamaquan River, @ Hersey Pt., PembrokeFloristic studies of seaweeds from Cobscook Bay, Maine1996Mathieson, 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
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
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
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
CumberlandPortlandAn historical comparison of seaweed populations from Casco Bay, Maine1861Mathieson, 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, Maine1903Mathieson, 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
SagadahocWest BathAn historical comparison of seaweed populations from Casco Bay, Maine1994Mathieson, 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
CumberlandCape ElizabethAn 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, 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
CumberlandChebeague IslandAn 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
YorkKitteryAppledore 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
YorkKitterySmuttynose 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
LincolnMonhegan Island PlantationMonhegan Island: located seaward of Penobscot Bay (43°46'N, 69°19'W); due south of Allen Island and almost equidistant from New Harbor to the northwest and Port Clyde to the north; ~8567m of shoreline.A comparison of insular seaweed floras from Penobscot Bay, Maine, and other northwest Atlantic islands1994Mathieson, 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
HancockCranberry IslesFlora of Mount Desert Island, Maine: A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands1894Rand, 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 Ocean0South, G.R. and I. Tittley. 1986. A checklist and distributional index of the benthic marine algae of the north Atlantic Ocean.
HancockBar HarborAnemone Cave AreaA distributional study of the marine algae of Acadia National Park1966van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park
HancockBar HarborLedges Parking Area (last parking area on Ocean Drive before Otter Cliff Road - between Otter Cliff and Monument Cove)A distributional study of the marine algae of Acadia National Park1966van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park
HancockSouthwest HarborLong Ledge, off of Wonderland on Mount Desert IslandA distributional study of the marine algae of Acadia National Park1966van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park
HancockBar HarborOtter PointA distributional study of the marine algae of Acadia National Park1966van Hemert, D.. 1969. A distributional study of the marine algae of Acadia National Park. Unpublished report to Acadia National park

CountyTownshipLocationYearMonthDay