Bolbocoleon piliferum Pringsheim, 1862 (additional source)
Myrionema magnusii (Sauvageau) Loiseaux, 1967 (additional source)
Polysiphonia brodiei (Dillwyn) Sprengel, 1827 accepted as Leptosiphonia brodiei (Dillwyn) A.M.Savoie & G.W.Saunders, 2019 (basis of record)

Delta area for Capsosiphon fulvescens (C.Agardh) Setchell & N.L.Gardner, 1920 
Dutch Exclusive Economic Zone for Ahnfeltia plicata (Hudson) E.M.Fries, 1836 
Dutch Exclusive Economic Zone for Alaria esculenta (Linnaeus) Greville, 1830 
Dutch Exclusive Economic Zone for Apoglossum ruscifolium (Turner) J.Agardh, 1898 
Dutch Exclusive Economic Zone for Asparagopsis armata Harvey, 1855 
Dutch Exclusive Economic Zone for Bangia atropurpurea (Mertens ex Roth) C.Agardh, 1824 
Dutch Exclusive Economic Zone for Bifurcaria bifurcata R.Ross, 1958 
Dutch Exclusive Economic Zone for Bolbocoleon piliferum Pringsheim, 1862 
Dutch Exclusive Economic Zone for Bonnemaisonia hamifera Hariot, 1891 
Dutch Exclusive Economic Zone for Bostrychia scorpioides (Hudson) Montagne, 1842 
Dutch Exclusive Economic Zone for Bryopsis hypnoides J.V.Lamouroux, 1809 
Dutch Exclusive Economic Zone for Calliblepharis ciliata (Hudson) Kützing, 1843 
Dutch Exclusive Economic Zone for Calliblepharis jubata (Goodenough & Woodward) Kützing, 1843 
Dutch Exclusive Economic Zone for Callithamnion corymbosum (Smith) Lyngbye, 1819 
Dutch Exclusive Economic Zone for Callithamnion granulatum (Ducluzeau) C.Agardh, 1828 
Dutch Exclusive Economic Zone for Callithamnion tetragonum (Stackhouse) S.F.Gray, 1821 
Dutch Exclusive Economic Zone for Callithamnion tetricum (Dillwyn) S.F.Gray, 1821 
Dutch Exclusive Economic Zone for Catenella caespitosa (Withering) L.M.Irvine, 1976 
Dutch Exclusive Economic Zone for Ceramium ciliatum (J.Ellis) Ducluzeau, 1806 
Dutch Exclusive Economic Zone for Ceramium cimbricum H.E.Petersen, 1924 
Dutch Exclusive Economic Zone for Ceramium deslongchampsii Chauvin ex Duby, 1830 
Dutch Exclusive Economic Zone for Ceramium diaphanum (Lightfoot) Roth, 1806 
Dutch Exclusive Economic Zone for Ceramium echionotum J.Agardh, 1844 
Dutch Exclusive Economic Zone for Ceramium recissum Kylin 
Dutch Exclusive Economic Zone for Ceramium rubrum C.Agardh, 1811 
Dutch Exclusive Economic Zone for Chaetomorpha aerea (Dillwyn) Kützing, 1849 
Dutch Exclusive Economic Zone for Chaetomorpha capillaris (Kützing) Børgesen, 1925 
Dutch Exclusive Economic Zone for Chaetomorpha linum (O.F.Müller) Kützing, 1845 
Dutch Exclusive Economic Zone for Chaetomorpha melagonium (F.Weber & D.Mohr) Kützing, 1845 
Dutch Exclusive Economic Zone for Chondrus crispus Stackhouse, 1797 
Dutch Exclusive Economic Zone for Chordaria flagelliformis (O.F.Müller) C.Agardh, 1817 
Dutch Exclusive Economic Zone for Chylocladia verticillata (Lightfoot) Bliding, 1928 
Dutch Exclusive Economic Zone for Cladophora albida (Nees) Kutzing, 1843 
Dutch Exclusive Economic Zone for Cladophora dalmatica Kützing, 1843 
Dutch Exclusive Economic Zone for Cladophora laetevirens (Dillwyn) Kützing, 1843 
Dutch Exclusive Economic Zone for Cladophora liniformis Kützing, 1849 
Dutch Exclusive Economic Zone for Cladophora ruchingeri (C.Agardh) Kützing, 1845 
Dutch Exclusive Economic Zone for Cladophora rupestris (Linnaeus) Kützing, 1843 
Dutch Exclusive Economic Zone for Cladophora sericea (Hudson) Kützing, 1843 
Dutch Exclusive Economic Zone for Cladophora vadorum (J.E.Areschoug) Kützing, 1849 
Dutch Exclusive Economic Zone for Cladophora vagabunda (Linnaeus) Hoek, 1963 
Dutch Exclusive Economic Zone for Codium tomentosum Stackhouse, 1797 
Dutch Exclusive Economic Zone for Colpomenia peregrina Sauvageau, 1927 
Dutch Exclusive Economic Zone for Compsothamnion thuioides (Smith) F.Schmitz, 1889 
Dutch Exclusive Economic Zone for Corallina elongata J.Ellis & Solander, 1786 
Dutch Exclusive Economic Zone for Corallina officinalis Linnaeus, 1758 
Dutch Exclusive Economic Zone for Cryptopleura ramosa (Hudson) L.Newton, 1931 
Dutch Exclusive Economic Zone for Cystoseira baccata (S.G.Gmelin, 1768) P.C.Silva, 1952 
Dutch Exclusive Economic Zone for Cystoseira foeniculacea (Linnaeus) Greville, 1830 
Dutch Exclusive Economic Zone for Cystoseira nodicaulis (Withering) M.Roberts, 1967 
Dutch Exclusive Economic Zone for Cystoseira tamariscifolia (Hudson) Papenfuss, 1950 
Dutch Exclusive Economic Zone for Dasya hutchinsiae Harvey, 1833  (origin: alien)
Dutch Exclusive Economic Zone for Delesseria sanguinea (Hudson) J.V.Lamouroux, 1813 
Dutch Exclusive Economic Zone for Dictyota dichotoma (Hudson) J.V.Lamouroux, 1809 
Dutch Exclusive Economic Zone for Dumontia contorta (S.G.Gmelin) Ruprecht, 1850 
Dutch Exclusive Economic Zone for Elachista flaccida (Dillwyn) Fries, 1835 
Dutch Exclusive Economic Zone for Elachista fucicola (Velley) Areschoug, 1842 
Dutch Exclusive Economic Zone for Elachista scutulata (Smith) Areschoug, 1843 
Dutch Exclusive Economic Zone for Enteromorpha flexuosa (Wulfen) J.Agardh, 1883 
Dutch Exclusive Economic Zone for Erythrocladia irregularis Rosenvinge, 1909 
Dutch Exclusive Economic Zone for Erythrotrichia carnea (Dillwyn) J.Agardh, 1883 
Dutch Exclusive Economic Zone for Eudesme virescens (Carmichael ex Berkeley) J.Agardh, 1882 
Dutch Exclusive Economic Zone for Eugomontia sacculata Kornmann, 1960 
Dutch Exclusive Economic Zone for Feldmannia simplex (P.Crouan & H.Crouan) Hamel, 1939 
Dutch Exclusive Economic Zone for Fucus ceranoides Linnaeus, 1753 
Dutch Exclusive Economic Zone for Fucus serratus Linnaeus, 1753 
Dutch Exclusive Economic Zone for Fucus spiralis Linnaeus, 1753 
Dutch Exclusive Economic Zone for Gastroclonium ovatum (Hudson) Papenfuss, 1944 
Dutch Exclusive Economic Zone for Gelidium pusillum (Stackhouse) Le Jolis, 1863 
Dutch Exclusive Economic Zone for Gigartina pistillata (S.G.Gmelin) Stackhouse, 1809 
Dutch Exclusive Economic Zone for Giraudia sphacelarioides Derbès & Solier, 1851 
Dutch Exclusive Economic Zone for Gloiosiphonia capillaris (Hudson) Carmichael, 1833 
Dutch Exclusive Economic Zone for Gomontia polyrhiza (Lagerheim) Bornet & Flahault, 1888 
Dutch Exclusive Economic Zone for Grateloupia filicina (J.V.Lamouroux) C.Agardh, 1822 
Dutch Exclusive Economic Zone for Griffithsia devoniensis Harvey, 1846 
Dutch Exclusive Economic Zone for Halopithys incurva (Hudson) Batters, 1902 
Dutch Exclusive Economic Zone for Halurus equisetifolius (Lightfoot) Kützing, 1843 
Dutch Exclusive Economic Zone for Herponema velutinum (Greville) J.Agardh, 1890 
Dutch Exclusive Economic Zone for Heterosiphonia plumosa (J.Ellis) Batters, 1902 
Dutch Exclusive Economic Zone for Hildenbrandia rubra (Sommerfelt) Meneghini, 1841 
Dutch Exclusive Economic Zone for Himanthalia elongata (Linnaeus) S.F.Gray, 1821 
Dutch Exclusive Economic Zone for Jania rubens (Linnaeus) J.V.Lamouroux, 1816 
Dutch Exclusive Economic Zone for Laminaria digitata (Hudson) J.V.Lamouroux, 1813 
Dutch Exclusive Economic Zone for Laurencia obtusa (Hudson) J.V.Lamouroux, 1813 
Dutch Exclusive Economic Zone for Laurencia pinnatifida (Gmelin) Lamouroux 
Dutch Exclusive Economic Zone for Leathesia difformis Areschoug, 1847 
Dutch Exclusive Economic Zone for Litosiphon laminariae (Lyngbye) Harvey, 1849 
Dutch Exclusive Economic Zone for Lomentaria articulata (Hudson) Lyngbye, 1819 
Dutch Exclusive Economic Zone for Lomentaria clavellosa (Lightfoot ex Turner) Gaillon, 1828 
Dutch Exclusive Economic Zone for Melobesia membranacea (Esper) J.V.Lamouroux, 1812 
Dutch Exclusive Economic Zone for Membranoptera alata (Hudson) Stackhouse, 1809 
Dutch Exclusive Economic Zone for Mesogloia vermiculata (Smith) S.F.Gray, 1821 
Dutch Exclusive Economic Zone for Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928 
Dutch Exclusive Economic Zone for Microcoryne ocellata Strömfelt, 1888 
Dutch Exclusive Economic Zone for Monostroma grevillei (Thuret) Wittrock, 1866 
Dutch Exclusive Economic Zone for Myrionema strangulans Greville, 1827 
Dutch Exclusive Economic Zone for Nemalion elminthoides (Velley) Batters, 1902 
Dutch Exclusive Economic Zone for Nitophyllum punctatum (Stackhouse) Greville, 1830 
Dutch Exclusive Economic Zone for Palmaria palmata (Linnaeus) F.Weber & D.Mohr, 1805 
Dutch Exclusive Economic Zone for Petalonia zosterifolia (Reinke) Kuntze, 1898 

 Authority

 for Ceramium cimbricum H.E.Petersen, 1924

H.E. Petersen in Rosenvinge, 1924 [details]

 Authority

 for Dasya hutchinsiae Harvey, 1833

Harvey in W.J.Hooker, 1833 [details]

 Authority

 for Eudesme virescens (Carmichael ex Berkeley) J.Agardh, 1882

(Carmichael) J. Agardh, 1880 [details]

 Authority

 for Feldmannia irregularis (Kützing) Hamel, 1939

(Kützing) G. Hamel, 1939 [details]

 Authority

 for Giraudia sphacelarioides Derbès & Solier, 1851

Derbès & Solier in Castagne, 1851 [details]

 Authority

 for Gloiosiphonia capillaris (Hudson) Carmichael, 1833

(Hudson) Carmichael in W.J. Hooker, 1833 [details]

 Authority

 for Polysiphonia denudata (Dillwyn) Greville ex Harvey, 1833

(Dillwyn) Greville ex Harvey in W.J. Hooker, 1833 [details]

 Authority

 for Protectocarpus speciosus (Børgesen) Kornmann, 1955

(Børgesen) Kornmann in Kuckuck, 1955 [details]

 Authority

 for Spyridia filamentosa (Wulfen) Harvey, 1833

(Wulfen) Harvey in W.J. Hooker, 1833 [details]