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Videnskabeligt navn Autor Dansk navn Familie Orden Artsgruppe (dk) Familie (dk) Orden (dk) Artsgruppe Synonymer Synonymer (dk) Referencenavn Referenceår Referencetekst Rødlistestatus Fredningsstatus Accepteret Licens
Acrochaetium balticum(Rosenvinge) Aleem & Schulz, 1952AcrochaetiaceaeAcrochaetialesAlgerAlgaeChantransia baltica Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium cytophagum(Rosenvinge) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella cytophaga (Rosenv.) South & Tittley; Chantransia cytophaga Rosenv.; Chromastrum cytophagum (Rosenv.) Papenf.; Kylinia cytophaga (Rosenv.) Papenf.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium dumontiae(Rosenvinge) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella dumontiae (Rosenv.) South & Tittley; Chantransia dumontiae Rosenv.; Chromastrum dumontiae (Rosenv.) Papenf.; Kylinia dumontiae (Rosenv.) Papenf.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium hallandicum(Kylin) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeChantransia hallandica Kylin; Chromastrum hallandicum (Kylin) Papenf.; Kylinia hallandica (Kylin) Kylin; Rhodochorton hallandicum (Kylin) K.M. Drew;Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium immersum(Rosenvinge) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella immersa (Rosenv.) South & Tittley; Chantransia immersa Rosenv.; Chromastrum immersum (Rosenv.) Papenf.; Kylinia immersa (Rosenv.) Papenf.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium leptonema(Rosenvinge) Børgesen, 1915AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella leptonema (Rosenv.) Garbary; Chantransia leptonema Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium macula(Rosenvinge) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella macula (Rosenv.) Garbary; Chantransia macula Rosenv.; Chromastrum macula (Rosenv.) Papenf.; Colaconema macula (Rosenv.) Woelk.; Rhodochorton macula (Rosenv.) Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium microscopicum(Nägeli ex Kützing) Nägeli, 1858AcrochaetiaceaeAcrochaetialesAlgerAlgaeAcrochaetium collopodum (Rosenv.) Hamel; Audouinella microscopica (Nägeli ex Kütz.) Woelk.; Chantransia collopoda (Rosenv.) Rosenv.; Chromastrum microscopicum (Nägeli ex Kütz.) Papenf.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium moniliforme(Rosenvinge) Børgesen, 1915AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella moniliformis (Rosenv.) Garbary; Chantransia moniliformis Rosenv.; Chromastrum moniliforme (Rosenv.) Papenf.; Kylinia moniliformis (Rosenv.) Kylin; Rhodochorton moniliforme (Rosenv.) K.M. DrewNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium parvulum(Kylin) Hoyt, 1920AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella parvula (Kylin) P.S. Dixon in Parke & P.S. Dixon; Chantransia hallandica Kylin f. parvula (Kylin) Rosenv.; Chantransia parvula Kylin; Chromastrum parvulum (Kylin) Papenf.; Kylinia parvula (Kylin) Kylin; Rhodochorton parvulum (Kylin) K.M. DrewNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium reductum(Rosenvinge) G.Hamel, 1927AcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella reducta (Rosenv.) Garbary; Chantransia reducta Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Acrochaetium secundatum(Lyngbye) Nägeli, 1862Grenet stjernetrådAcrochaetiaceaeAcrochaetialesAlgerAlgaeAcrochaetium virgatulum (Harv.) Batters; Audouinella secundata (Lyngb.) P.S. Dixon; Audouinella secundata (Lyngb.) P.S. Dixon; Chantransia secundata (Lyngb.) Thur.; Chantransia virgatula (Harv.) Thur. in LeJol.; Chromastrum virgatulum (Harv.) Papenf.; ColNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion bipinnatum(P.L. Crouan & H.M. Crouan) Feldmann-Mazoyer, 1941Tosidet havprydCallithamniaceaeCeramialesAlgerAlgaeCallithamnion bipinnatum P. Crouan & H. CrouanNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion gallicum(Nägeli) Halos ex Ardré, 1970CallithamniaceaeCeramialesAlgerAlgaeCallithamnion gallicum NägeliNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion hookeri(Dillwyn) Maggs & Hommersand, 1993Hooker's havprydCallithamniaceaeCeramialesAlgerAlgaeCallithamnion brodiei Harv. in Hook.; Callithamnion hookeri (Dillwyn) Gray; Callithamnion polyspermum C. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion roseum(Roth) Maggs & L’Hardy-Halos, 1993Rosenrød havprydCallithamniaceaeCeramialesAlgerAlgaeCallithamnion roseum (Roth) Lyngb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion sepositum(Gunnerus) Maggs & Hommersand, 1983CallithamniaceaeCeramialesAlgerAlgaeCallithamnion arbuscula (Dillwyn) Lyngb.; Callithamnion sepositum (Gunnerus) P.S. Dixon & J.H. PriceNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Aglaothamnion tenuissimum(Bonnemaison) Feldmann-Mazoyer, 1941Almindelig havprydCallithamniaceaeCeramialesAlgerAlgaeAglaothamnion byssoides (Arn. ex Harv.in Hooker) L'Hardy-Halos & Rueness; Callithamnion furcellariae J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ahnfeltia plicata(Hudson) Fries, 1836HorntangAhnfeltiaceaeAhnfeltialesAlgerAlgaeSterrocolax decipiens F. SchmitzNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Antithamnion cruciatum(C. Agardh) Nägeli, 1847KorsskyCeramiaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Antithamnion villosum(C. Agardh) Nägeli, 1847CeramiaceaeCeramialesAlgerAlgaeAntithamnion cruciatum (C. Agardh) Nägeli var. scandinavicum Athanas.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Antithamnionella floccosa(O.F.Müller) Whittick, 1980CeramiaceaeCeramialesAlgerAlgaeAntithamnion floccosum (O.F. Müll.) Kleen; Callithamnion plumula var. pusilla Lyngb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Apoglossum ruscifolium(Turner) J. Agardh, 1898TungebladDelesseriaceaeCeramialesAlgerAlgaeDelesseria ruscifolia (Turner) J.V. Lamour.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Atractophora hypnoidesP.L. Crouan & H.M. Crouan, 1848NaccariaceaeBonnemaisonialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Audouinella efflorescens(J.Agardh) Papenf.AcrochaetiaceaeAcrochaetialesAlgerAlgaeChantransia efflorescens (J. Agardh) Kjellm.; Grania efflorescens (J. Agardh) Kylin; Rhodochorton efflorescens (J. Agardh) K.M. DrewNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Audouinella endozoica(Darb.) P.S.Dixon in Parke & P.S.DixonAcrochaetiaceaeAcrochaetialesAlgerAlgaeAcrochaetium endozoicum (Darb.) Batters; Chantransia endozoica Darb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Audouinella membranacea(Magnus) Papenfuss, 1945Hydroide-rødpuslingAcrochaetiaceaeAcrochaetialesAlgerAlgaeCallithamnion membranaceum Magnus; Colaconema membranaceum (Magnus) Woelk.; Rhodochorton membranaceum (Magnus) HauckNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Bangia atropurpurea(Roth) C. Agardh, 1824PurpurtrådBangiaceaeBangialesAlgerAlgaeBangia fuscopurpurea (Dillwyn) Lyngb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Bonnemaisonia asparagoides(Woodward) C. Agardh, 1822SøaspargesBonnemaisoniaceaeBonnemaisonialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Bonnemaisonia hamiferaHariot, 1891RødtotBonnemaisoniaceaeBonnemaisonialesAlgerAlgaeTrailliella intricata BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Brongniartella byssoides(Goodenough & Woodward) F.Schmitz, 1893JuletræsalgeRhodomelaceaeCeramialesAlgerAlgaePolysiphonia byssoides (Gooden. & Woodw.) Grev.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Callithamnion corymbosum(J.E.Smith) Lyngbye, 1819Tæt rødskyCallithamniaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Callithamnion granulatum(Ducluzeau) C. Agardh, 1828CallithamniaceaeCeramialesAlgerAlgaeCallithamnion spongiosum Harv. in Hook.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Callithamnion tetragonum(Withering) S.F.Gray, 1821Brodspidset rødskyCallithamniaceaeCeramialesAlgerAlgaeCallithamnion fruticulosum J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Callophyllis laciniata(Hudson) Kützing, 1843Stor kuglespidsalgeKallymeniaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium cimbricumH.E.Petersen, 1924CeramiaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium deslongchampsiiChauvin ex Duby, 1830Mørkstribet klotangCeramiaceaeCeramialesAlgerAlgaeCeramium strictum (Kütz.) Harv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium diaphanum(Lightfoot) Roth, 1806Gennemsigtig klotangCeramiaceaeCeramialesAlgerAlgaeCeramium tenuissimum (Roth) Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium pallidum(Nägeli ex Kützing) Maggs & Hommersand, 1993CeramiaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium tenuicorne(Kützing) Waern, 1952Fin klotangCeramiaceaeCeramialesAlgerAlgaeCeramium diaphanum sensu Aresch.; Ceramium gobii Waern; Ceramium strictum sensu KylinNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ceramium virgatumRoth, 1797Almindelig klotangCeramiaceaeCeramialesAlgerAlgaeCeramium nodulosum (Lightf.) Ducluz.; Ceramium rubrum C. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Chondria dasyphylla(Woodward) C. Agardh, 1817KølletangRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Chondrus crispusStackhouse, 1797CarrageentangGigartinaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Choreocolax polysiphoniaeReinsch, 1875RhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Choreonema thuretii(Bornet) F.Schmitz, 1889HapalidiaceaeHapalidialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Chroodactylon ornatum(C. Agardh) Basson, 1979Blå stjernehårStylonemataceaeStylonematalesAlgerAlgaeAsterocytis ornata (C. Agardh) Hamel; Asterocytis ramosa (Thwaites in Harv.) Gobi ex F. SchmitzNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Chylocladia verticillata(Lightfoot) Bliding, 1928KransrørChampiaceaeRhodymenialesAlgerAlgaeChylocladia kaliformis (Gooden. & Woodw.) Hook.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Coccotylus brodiei(Turner) KützingPhyllophoraceaeGigartinalesAlgerAlgaePhyllophora brodiei (Turner) Endl.Lundsteen, S. & R. Nielsen2015Coccotylus brodiei, C. truncatus and other Phyllophoraceae (Rhodophyta) in Danish waters. Forum om marin bundfauna og –flora 2: 1-20. http://bios.au.dk/fileadmin/bioscience/Forskning/Roskilde/2015-12-08_forum_bundfauna_Coccotylus.pdfJaCC BY-NC 4.0
Coccotylus hartzii(Rosenvinge) L.Le Gall & G.W.SaundersPhyllophoraceaeGigartinalesAlgerAlgaeCeratocolax hartzii Rosenvinge, 1898Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema attenuatum(Rosenvinge) R. Nielsen, 1994ColaconemataceaeColaconematalesAlgerAlgaeChantransia attenuata Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema daviesii(Dillwyn) Stegenga, 1985ColaconemataceaeColaconematalesAlgerAlgaeAcrochaetium daviesii (Dillwyn) Nägeli; Audouinella daviesii (Dillwyn) Woelk.; Chantransia daviesii (Dillwyn) Thur.; Rhodochorton daviesii (Dillwyn) K.M. DrewNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema emergens(Rosenvinge) R. Nielsen, 1994ColaconemataceaeColaconematalesAlgerAlgaeAcrochaetium emergens (Rosenv.) Weber Bosse; Chantransia emergens Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema gynandrum(Rosenvinge) R. Nielsen, 1994ColaconemataceaeColaconematalesAlgerAlgaeChantransia gynandra Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema nemalii(De Not. ex L.Dufour) StegengaColaconemataceaeColaconematalesAlgerAlgaeAudouinella nemalionis (De Not. ex L.Dufour) P.S. Dixon in Parke & P.S. Dixon; Chantransia nemalii (De Not. ex L.Dufour) Ardiss. et Straf.; Chantransia thuretii (Bornet) Kylin var. amphicarpa Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema pectinatum(Kylin) J.T. Harper & G.W. Saunders, 2002ColaconemataceaeColaconematalesAlgerAlgaeAcrochaetium pectinatum (Kylin) Hamel; Audouinella pectinata (Kylin) Papenf.; Chantransia pectinata Kylin; Rhodochorton pectinatum (Kylin) Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema savianum(Meneghini) R. Nielsen, 1994ColaconemataceaeColaconematalesAlgerAlgaeAcrochaetium zosterae Papenf.; Audouinella saviana (Menegh.) Woelk.; Audouinella thuretii (Bornet) Woelk.; Chantransia efflorescens (J.Agardh) Kylin var. thuretii Bornet; Chantransia thuretii (Bornet) Kylin; Chantransia thuretii (Bornet) Kylin var. agamaNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Colaconema strictum(Rosenvinge) R. Nielsen, 1994ColaconemataceaeColaconematalesAlgerAlgaeChantransia stricta Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Compsothamnion thuyoides(J.E.Smith) Nägeli, 1862WrangeliaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Corallina officinalisLinnaeus, 1758KoralalgeCorallinaceaeCorallinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Cruoria pellita(Lyngbye) Fries, 1836BlodskorpeCruoriaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Cruoriopsis danicaRosenvinge, 1918PeyssonneliaceaePeyssonnelialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Cystoclonium purpureum(Hudson) Batters, 1902GrisehaletangCystocloniaceaeGigartinalesAlgerAlgaeCystoclonium purpurascens (Huds.) Kütz.KnudetangNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Dasya baillouviana(S.G.Gmelin) Montagne, 1841DusktangDasyaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Delesseria sanguinea(Hudson) J.V. Lamouroux, 1813Blodrød ribbebladDelesseriaceaeCeramialesAlgerAlgaeHydrolapathum sanguineum (Huds.) Stackh.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Dilsea carnosa(Schmidel) Kuntze, 1893KødbladDumontiaceaeGigartinalesAlgerAlgaeDilsea edulis Stackh.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Dudresnaya verticillata(Withering) Le Jolis, 1863Slimet perlealgeDumontiaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Dumontia contorta(S.G.Gmelin) Ruprecht, 1850DumontalgeDumontiaceaeGigartinalesAlgerAlgaeDumontia filiformis (Hornem.) Grev.; Dumontia incrassata (O.F. Müll.) J.V.Lamour.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Erythrocladia irregularisRosenvinge, 1909ØjeskiveErythrotrichiaceaeErythropeltidalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Erythrodermis traillii(Holmes ex Batters) Guiry & Garbary, 1990SpatelbladPhyllophoraceaeGigartinalesAlgerAlgaeErythrodermis allenii BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Erythrotrichia carnea(Dillwyn) J. Agardh, 1883Almindelig rødhårErythrotrichiaceaeErythropeltidalesAlgerAlgaeErythrotrichia ceramicola (Lyngb.) Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Erythrotrichia investiens(Zanardini) Bornet, 1892ErythrotrichiaceaeErythropeltidalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Erythrotrichia reflexa(P.L. Crouan & H.M. Crouan) Thuret ex De Toni, 1897ErythrotrichiaceaeErythropeltidalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Euthora cristata(C. Agardh) J. Agardh, 1847Lille kuglespidsalgeKallymeniaceaeGigartinalesAlgerAlgaeCallophyllis cristata (C. Agardh) Kütz.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Furcellaria lumbricalis(Hudson) J.V. Lamouroux, 1813GaffeltangFurcellariaceaeGigartinalesAlgerAlgaeFurcellaria fastigiata (Turner) J.V. Lamour.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Gloiosiphonia capillaris(Hudson) Carmichael ex Berkeley, 1833Grenet slimrørGloiosiphoniaceaeGigartinalesAlgerAlgaeCruoriopsis hauckii BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Gracilaria gracilis(Stackhouse) Steentoft, L.M.Irvine & Farnham, 1995GracilariatangGracilariaceaeGracilarialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Gracilaria vermiculophylla(Ohmi) Papenfuss, 1967Brunlig gracilariatangGracilariaceaeGracilarialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Gracilariopsis longissimaGracilariaceaeGracilarialesAlgerAlgaeGracilaria confervoides (L.) Grev.; Gracilaria verrucosa (Huds.) Papenf.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Griffithsia corallinoides(Linnaeus) Trevisan, 1845WrangeliaceaeCeramialesAlgerAlgaeGriffithsia corallina (Murray) C. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Griffithsia devoniensisHarvey, 1846SkeletbuskWrangeliaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Haemescharia hennedyi(Harvey) K.L.Vinogradova & T.Yacovleva, 1988RødskorpeHaemeschariaceaeGigartinalesAlgerAlgaePetrocelis hennedyi (Harv.) BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Halarachnion ligulatum(Woodward) Kützing, 1843Fliget havbåndFurcellariaceaeGigartinalesAlgerAlgaeCruoria rosea (P. Crouan & H. Crouan) P. Crouan & H. Crouan; Halymenia ligulata (Woodw.) C. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Halurus flosculosus(J.Ellis) Maggs & HommersandWrangeliaceaeCeramialesAlgerAlgaeLundsteen, S.2015Pers. medd.JaCC BY-NC 4.0
Harveyella mirabilis(Reinsch) F.Schmitz & Reinke, 1889Ulvehalens parasitkugleRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Helminthocladia calvadosii(J.V. Lamouroux ex Duby) Setchell, 1925LiagoraceaeNemalialesAlgerAlgaeHelminthocladia purpurea (Harv.) J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Helminthora stackhousei(Clemente) Cremades et Peréz-CireraLiagoraceaeNemalialesAlgerAlgaeAcrochaetium polyidis (Rosenv.) Børgesen; Chantransia polyidis Rosenv.; Helminthocladia stackhousei (Clemente) Cremades; Helminthora divaricata (C. Agardh) J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Heterosiphonia japonicaJapansk havlyngDasyaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Heterosiphonia plumosa(J.Ellis) Batters, 1902HavlyngDasyaceaeCeramialesAlgerAlgaeDasya coccinea (Huds.) C. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Hildenbrandia crouaniiJ. Agardh, 1852Crouan's hildenbrandiaHildenbrandiaceaeHildenbrandialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Hildenbrandia rubra(Sommerfelt) Meneghini, 1841Hav-hildenbrandiaHildenbrandiaceaeHildenbrandialesAlgerAlgaeHildenbrandia prototypus Nardo; Hildenbrandia rosea Kütz.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Jania rubens(Linnaeus) J.V. Lamouroux, 1812KoralgaffelCorallinaceaeCorallinalesAlgerAlgaeCorallina rubens L.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Kylinia rosulataRosenv.AcrochaetiaceaeAcrochaetialesAlgerAlgaeAcrochaetium rosulatum (Rosenvinge) Papenfuss; Audouinella rosulata (Rosenv.) P.S. Dixon in Parke & P.S. DixonNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lithophyllum crouaniiFoslieCorallinaceaeCorallinalesAlgerAlgaeDermatolithon crouanii (Foslie) Hamel & MeLemoineNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lithothamnion glacialeKjellman, 1883CorallinaceaeCorallinalesAlgerAlgaeLithothamnion colliculosum Foslie; Lithothamnion flabellatum Rosenv. f. granii Foslie; Lithothamnion granii (Foslie) FoslieNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lithothamnion sonderiHauck, 1883CorallinaceaeCorallinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lomentaria articulata(Hudson) Lyngbye, 1819Leddelt rosenrørLomentariaceaeRhodymenialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lomentaria clavellosa(Turner) Gaillon, 1828Almindelig rosenrørLomentariaceaeRhodymenialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Lomentaria orcadensis(Harvey) Collins ex W.R.Taylor, 1937Kantgrenet rosenrørLomentariaceaeRhodymenialesAlgerAlgaeLomentaria rosea (Harv.) TurnerNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Mastocarpus stellatus(Stackhouse) Guiry, 1984VortetangPhyllophoraceaeGigartinalesAlgerAlgaeGigartina mamillosa (Gooden. & Woodw.) J.Agardh; Gigartina stellata (Stackh.) BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Meiodiscus spetsbergensis(Kjellman) Saunders & McLachlan, 1991MeiodiscaceaePalmarialesAlgerAlgaeAudouinella spetsbergensis (Kjellm.) Woelk.; Rhodochorton penicilliforme (Kjellm.) Rosenv.; Rhodochorton spetsbergense (Kjellm.) Kjellm.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Melobesia membranacea(Esper) J.V. Lamouroux, 1812HapalidiaceaeHapalidialesAlgerAlgaeEpilithon membranaceum (Esper) Heydr.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Membranoptera alata(Hudson) Stackhouse, 1809Vinget ribbebladDelesseriaceaeCeramialesAlgerAlgaeDelesseria alata (Huds.) J.V. Lamour.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Nemalion multifidum(F.Weber & D.Mohr) EndlicherOrmetangNemaliaceaeNemalialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Neosiphonia elongella(Harvey) M.S.Kim & I.K.Lee, 1999RhodomelaceaeCeramialesAlgerAlgaeLundsteen, S., K. Dahl & O.S. Tendal2008Biodiversity on boulder reefs in central Kattegat. BALANCE Interim Report 15: 1-25JaCC BY-NC 4.0
Neosiphonia harveyi(Bailey) Kim, Choi, Guiry & Saunders, 2001RhodomelaceaeCeramialesAlgerAlgaePolysiphonia harveyi BaileyNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Odonthalia dentata(Linnaeus) Lyngybe, 1819TandtangRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Osmundea truncataPebertangRhodomelaceaeCeramialesAlgerAlgaeLaurencia truncata Kütz.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Palmaria palmata(Linnaeus) Kuntze, 1891SølPalmariaceaePalmarialesAlgerAlgaeRhodymenia palmata (L.) Grev.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Peyssonnelia dubyiP.L. Crouan & H.M. Crouan, 1844TeglskorpePeyssonneliaceaePeyssonnelialesAlgerAlgaeCruoriella codana Rosenv.; Cruoriella dubyi (P. Crouan & H. Crouan) F. Schmitz; Peyssonnelia codana (Rosenv.) DenizotNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phycodrys rubens(Linnaeus) Batters, 1902Bugtet ribbebladDelesseriaceaeCeramialesAlgerAlgaeDelesseria sinuosa (Gooden. & Woodw.) J.V. Lamour.; Phycodrys sinuosa (Gooden. & Woodw.) Kütz.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phyllophora crispa(Hudson) P.S.Dixon, 1964Bånd-rødbladPhyllophoraceaeGigartinalesAlgerAlgaePhyllophora epiphylla (O.F.Müll.) P.S.Dixon; Phyllophora rubens (Gooden. & Woodw.) Grev.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phyllophora pseudoceranoides(S.G.Gmelin) Newroth & A.R.A.Taylor, 1971Fliget rødbladPhyllophoraceaeGigartinalesAlgerAlgaePhyllophora membranifolia (Gooden. & Woodw.) J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phymatolithon calcareum(Pallas) W.H.Adey & D.L.McKibbin, 1970HapalidiaceaeHapalidialesAlgerAlgaeLithothamnion calcareum (Pall.) Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phymatolithon laevigatum(Foslie) Foslie, 1898HapalidiaceaeHapalidialesAlgerAlgaeLithothamnion laevigatum FoslieNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phymatolithon lenormandii(J.E.Areschoug) W.H.Adey, 1966HapalidiaceaeHapalidialesAlgerAlgaeLithothamnion lenormandii (Aresch.) FoslieNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phymatolithon purpureum(P.L. Crouan & H.M. Crouan) Woelkerling & L.M.Irvine, 1986HapalidiaceaeHapalidialesAlgerAlgaeLithothamnion polymorphum (L.) Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Phymatolithon tenue(Rosenvinge) L. Düwel & S. Wegenerg, 1996HapalidiaceaeHapalidialesAlgerAlgaePhymatolithon polymorphum (L.) FoslieNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Plagiospora gracilisKuckuckGloiosiphoniaceaeGigartinalesAlgerAlgaeCruoriopsis gracilis (Kuck.) BattersNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Plocamium cartilagineum(Linnaeus) P.S.Dixon, 1967KamtangPlocamiaceaePlocamialesAlgerAlgaePlocamium coccineum (Huds.) Lyngb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Plumaria plumosa(Hudson) Kuntze, 1891Elegant rødfjerWrangeliaceaeCeramialesAlgerAlgaePlumaria elegans (Bonnem.) F. SchmitzNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pneophyllum caulerpae(Foslie) P.L. Jones & Woelkerling, 1984CorallinaceaeCorallinalesAlgerAlgaeMelobesia trichostoma Rosenv.; Pneophyllum rosanoffii Y.M. Chamb.; Pneophyllum zonale (P. Crouan & H. Crouan) Y.M. Chamb.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pneophyllum confervicola(Kutzing) ChamberlaineCorallinaceaeCorallinalesAlgerAlgaeFosliella minutula (Foslie) Ganesan; Melobesia fosliei Rosenv.; Melobesia minutula FoslieNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pneophyllum fragileKützing, 1843CorallinaceaeCorallinalesAlgerAlgaeMelobesia lejolisii Rozanov; Melobesia microspora Rosenv.; Melobesia subplana Rosenv.; Pneophyllum lejolisii (Rozanov) Y.M. Chamb.; Pneophyllum microsporum (Rosenv.) Y.M. Chamb.; Pneophyllum subplanum (Rosenv.) Y.M. Chamb. ex South & TittleyNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pneophyllum limitatum(Foslie) Y.M.ChamberlainCorallinaceaeCorallinalesAlgerAlgaeMelobesia limitata (Foslie) Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polyides rotundus(Hudson) Gaillon, 1828RødkløftPolyidaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia brodiei(Dillwyn) Sprengel, 1827Knippe-ledtangRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia elongata(Hudson) Sprengel, 1827Langstrakt ledtangRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia fibrillosa(Dillwyn) Sprengel, 1827Violet ledtangRhodomelaceaeCeramialesAlgerAlgaePolysiphonia violacea sensu Harv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia fucoides(Hudson) Greville, 1824Almindelig ledtangRhodomelaceaeCeramialesAlgerAlgaePolysiphonia nigrescens (Huds.) Grev. ex Harv.; Polysiphonia violacea (Roth) Spreng.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia kielianaKaminski & Nizamuddin, 1975RhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2009Pers. medd.JaCC BY-NC 4.0
Polysiphonia nigra(Hudson) Batters, 1902Mørk ledtangRhodomelaceaeCeramialesAlgerAlgaePolysiphonia atrorubescens (Dillwyn) Grev.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia orthocarpaRosenvinge, 1924RhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Polysiphonia stricta(Dillwyn) Greville, 1824Fin ledtangRhodomelaceaeCeramialesAlgerAlgaePolysiphonia urceolata (Lightf. ex Dillwyn) Grev.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyra amplissima(Kjellman) Setchell & Hus, 1900BangiaceaeBangialesAlgerAlgaePorphyra miniata (C.Agardh) C. Agardh f. amplissima (Kjellm.) Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyra leucostictaThuret, 1863Hvidplettet purpurhindeBangiaceaeBangialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyra linearisGreville, 1830Smal purpurhindeBangiaceaeBangialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyra miniata(C.Agardh) C.Agardh, 1824BangiaceaeBangialesAlgerAlgaeNOBANIS2011Ikke-hjemmehørende arter. Upubl. (excel-fil)NejCC BY-NC 4.0
Porphyra purpurea(Roth) C. Agardh, 1824Rød purpurhindeBangiaceaeBangialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyra umbilicalis(Linnaeus) Kützing, 1843Navle-purpurhindeBangiaceaeBangialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyridium aerugineumGeitler, 1923Blå purpurkuglePorphyridiaceaePorphyridialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyridium purpureum(Bory) Ross, 1965Almindelig purpurkuglePorphyridiaceaePorphyridialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Porphyropsis coccinea(J. Agardh ex Areschoug) Rosenvinge, 1909RosenhindeErythrotrichiaceaeErythropeltidalesAlgerAlgaePorphyra coccinea J.Agardh ex Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pterosiphonia parasitica(Hudson) Falkenberg, 1901MørkfjerRhodomelaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Pterothamnion plumula(J.Ellis) Nägeli, 1855HavdunCeramiaceaeCeramialesAlgerAlgaeAntithamnion plumula (J.Ellis) Thur. ex LeJol.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Ptilota gunneriP.C.Silva, Maggs & L.M.Irvine, 1993FjertangWrangeliaceaeCeramialesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Rhodochorton purpureum(Lightfoot) Rosenvinge, 1900RødplysAcrochaetiaceaeAcrochaetialesAlgerAlgaeAudouinella purpurea (Lightf.) Woelk.; Rhodochorton rothii (Turton) Nägeli; Rhodochorton rothii (Turton) Nägeli f. globosa Kjellm.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Rhodomela confervoides(Hudson) P.C.Silva, 1952UlvehaletangRhodomelaceaeCeramialesAlgerAlgaeRhodomela subfusca (Woodw.) C. Agardh; Rhodomela subfusca (Woodw.) C. Agardh f. virgata (Kjellm.) Rosenv.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Rhodophyllis divaricata(Stackhouse) Papenfuss, 1950RødfligCystocloniaceaeGigartinalesAlgerAlgaeRhodophyllis bifida (Gooden. & Woodw.) Kütz.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Rhodophysema elegans(P.L. Crouan & H.M. Crouan ex J. Agardh) P.S.Dixon, 1964Almindelig rødpletRhodophysemataceaePalmarialesAlgerAlgaeRhododermis elegans P. Crouan & H. Crouan ex J. AgardhNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Rhodophysema georgiiBatters, 1900Ålegræssets rødpletRhodophysemataceaePalmarialesAlgerAlgaeRhododermis georgii (Batters) CollinsNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Sahlingia subintegra(Rosenvinge) Kornmann, 1989ErythrotrichiaceaeErythropeltidalesAlgerAlgaeErythrocladia subintegra Rosenv.; Erythropeltis subintegra (Rosenv.) Kornmann & SahlingNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Scagelothamnion pusillum(Ruprecht) Athanasiadis, 1996Lille vinterskyCeramiaceaeCeramialesAlgerAlgaeAntithamnion boreale (Gobi) Kjellm.; Scagelia pusilla (Rupr.) Athanas. ex Maggs & Hommers.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Schmitzia neapolitana(Berthold) Lagerheim ex P.C.SilvaCalosiphonaceaeGigartinalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Scinaia furcellata(Turner) J. Agardh, 1852ScinaiaceaeNemalialesAlgerAlgaeScinaia forcellata Biv.; Scinaia pseudocrispa (Clemente) M.J. Wynne; Scinaia trigona (Clemente) Trevis.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Seirospora interrupta(J.E.Smith) F.Schmitz, 1893SporekædeskyCallithamniaceaeCeramialesAlgerAlgaeSeirospora griffithsiana Harv.; Seirospora seirosperma (Harv.) P.S. DixonNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Spermothamnion repens(Dillwyn) Rosenvinge, 1924PudderkvastalgeWrangeliaceaeCeramialesAlgerAlgaeSpermothamnion turneri (Mert.) Aresch.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Stylonema alsidii(Zanardini) K.M.Drew, 1956Fin vinkelhårStylonemataceaeStylonematalesAlgerAlgaeGoniotrichum alsidii (Zanardini) M. Howe; Goniotrichum elegans (Chauv.) ZanardiniNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Stylonema cornu-cerviReinsch, 1875StylonemataceaeStylonematalesAlgerAlgaeNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Titanoderma corallinae(P.L. Crouan & H.M. Crouan) Woelkerling, Y.M. Chamberlain & P.C. Silva, 1985CorallinaceaeCorallinalesAlgerAlgaeLithophyllum corallinae (P. Crouan & H. Crouan) Heydr.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Titanoderma pustulatum(J.V. Lamouroux) Nägeli, 1858CorallinaceaeCorallinalesAlgerAlgaeDermatolithon adplicitum Foslie; Dermatolithon confinis (P. Crouan & H. Crouan) Boudour. et al.; Dermatolithon hapalidioides (P. Crouan & H. Crouan) Foslie; Lithophyllum macrocarpum (Rozanov) Foslie f. typica Foslie; Lithophyllum pustulatum (J.V. Lamour.)Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Tsengia bairdii(Farlow) K.C.Fan & Y.P.FanNemastomataceaeGigartinalesAlgerAlgaePlatoma bairdii (Farl.) Kuck.Nielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0
Vertebrata lanosa(L.) T.A.Chr.Uldtottet ledtangRhodomelaceaeCeramialesAlgerAlgaePolysiphonia lanosa (L.) TandyNielsen, R.2005Danish Seaweeds. http://botanik.snm.ku.dk/Samlinger/danish_seaweeds/list-of-species.pdfJaCC BY-NC 4.0