• Amphiroa abbreviata Duchassaing, 1850: mesotrophic waters
• Amphiroa americana Johnson & Ferris: mesotrophic waters
• Amphiroa anastomosans Weber-van Bosse, 1904: mesotrophic waters
• Amphiroa anceps (Lamarck) Decaisne, 1842: mesotrophic waters
• Amphiroa anchiverricosa Johnson & Ferris: mesotrophic waters
• Amphiroa angustata: mesotrophic waters
• Amphiroa angustivirgata J.P.Beckmann & R.Beckmann: mesotrophic waters
• Amphiroa annobonensis Pilger, 1919: mesotrophic waters
• Amphiroa annulata Me.Lemoine, 1929: mesotrophic waters
• Amphiroa aspergillum: mesotrophic waters
• Amphiroa boviesii Kützing: mesotrophic waters
• Amphiroa bowerbankii Harvey, 1849: mesotrophic waters
• Amphiroa brasiliana Decaisne, 1842: mesotrophic waters
• Amphiroa breviarticulata Areschoug, 1852: mesotrophic waters
• Amphiroa canaliculata G.Martens, 1866: mesotrophic waters
• Amphiroa capensis Areschoug, 1852: mesotrophic waters
• Amphiroa carpiana (Dragastan) Dragastan: mesotrophic waters
• Amphiroa cladoniiformis Meneghini ex Kützing: mesotrophic waters
• Amphiroa compressa M.Lemoine, 1929: mesotrophic waters
• Amphiroa comprexa Ishijima, 1944 †: mesotrophic waters
• Amphiroa crassa J.V.Lamouroux, 1824: mesotrophic waters
• Amphiroa crosslandii Me.Lemoine, 1929: mesotrophic waters
• Amphiroa crustiformis E.Y.Dawson, 1963: mesotrophic waters
• Amphiroa cumingii Montagne, 1844: mesotrophic waters
• Amphiroa currae Ganesan, 1971: mesotrophic waters
• Amphiroa cylindrica Ishijima, 1944 †: mesotrophic waters
• Amphiroa delicatula Lemoine: mesotrophic waters
• Amphiroa desmoulinii Duchassaing, 1850: mesotrophic waters
• Amphiroa dilatata Decaisne: mesotrophic waters
• Amphiroa dimorpha Me.Lemoine, 1929: mesotrophic waters
• Amphiroa droogeri Souaya: mesotrophic waters
• Amphiroa echigoensis Yendo, 1902: mesotrophic waters
• Amphiroa elongata Ishijima, 1944 †: mesotrophic waters
• Amphiroa ephedracea Decaisne: mesotrophic waters
• Amphiroa ephedraea (Lamarck) Decaisne, 1842: mesotrophic waters
• Amphiroa exilis Harvey, 1849: mesotrophic waters
• Amphiroa firma Kützing: mesotrophic waters
• Amphiroa foliacea J.V.Lamouroux, 1824: mesotrophic waters
• Amphiroa formosana Ishijima, 1944 †: mesotrophic waters
• Amphiroa franciscana W.R.Taylor, 1945: mesotrophic waters
• Amphiroa galapagensis W.R.Taylor, 1945: mesotrophic waters
• Amphiroa galerita Giffen: mesotrophic waters
• Amphiroa gracilis Harvey, 1855: mesotrophic waters
• Amphiroa guatemalensis J.H.Johnson & Kaska, 1965 †: mesotrophic waters
• Amphiroa hancockii W.R.Taylor, 1942: mesotrophic waters
• Amphiroa hanzawai Ishijima: mesotrophic waters
• Amphiroa harveyana Tittley, L.M.Irvine & T.Kartawick, 1984: mesotrophic waters
• Amphiroa hayasakae Ishijima, 1944 †: mesotrophic waters
• Amphiroa heterarthra Trevisan: mesotrophic waters
• Amphiroa howei Ishijima, 1938 †: mesotrophic waters
• Amphiroa howensis A.H.S.Lucas, 1935: mesotrophic waters
• Amphiroa involuta Kützing: mesotrophic waters
• Amphiroa iraquensis J.H.Johnson: mesotrophic waters
• Amphiroa irregularis Kützing, 1843: mesotrophic waters
• Amphiroa itonoi Srimanobhas & Masaki, 1987: mesotrophic waters
• Amphiroa johansenii Woelkerling, 1983: mesotrophic waters
• Amphiroa klochkovana A.S.Harvey, W.J.Woelkerling & A.J.K.Millar, 2009: mesotrophic waters
• Amphiroa kotobukiana Ishijima, 1944 †: mesotrophic waters
• Amphiroa laurentii Duchassaing, 1850: mesotrophic waters
• Amphiroa lemoineae Souaya: mesotrophic waters
• Amphiroa longa Duchassaing, 1850: mesotrophic waters
• Amphiroa longissima W.Ishijima, 1938 †: mesotrophic waters
• Amphiroa lucida J.V.Lamouroux: mesotrophic waters
• Amphiroa magdalenensis E.Y.Dawson, 1953: mesotrophic waters
• Amphiroa maletractata Simonsen, 1992: mesotrophic waters
• Amphiroa medians J.H.Johnson: mesotrophic waters
• Amphiroa minutissima W.R.Taylor, 1945: mesotrophic waters
• Amphiroa misakiensis Yendo, 1902: mesotrophic waters
• Amphiroa nobilis Kützing, 1849: mesotrophic waters
• Amphiroa nodularia (Pallas) Decaisne: mesotrophic waters
• Amphiroa nodulosa Kützing, 1858: mesotrophic waters
• Amphiroa pacifica Kützing, 1858: mesotrophic waters
• Amphiroa peruana Areschoug ex W.R.Taylor, 1945: mesotrophic waters
• Amphiroa polymorpha Me.Lemoine, 1929: mesotrophic waters
• Amphiroa prefragilissima Me.Lemoine, 1918 †: mesotrophic waters
• Amphiroa pusilla Yendo, 1902: mesotrophic waters
• Amphiroa rigens (Pallas) Trevisan: mesotrophic waters
• Amphiroa rigida J.V.Lamouroux, 1816: mesotrophic waters
• Amphiroa rubra (Philippi) Woelkerling, 1983: mesotrophic waters
• Amphiroa ryukyuensis Ishijima, 1938 †: mesotrophic waters
• Amphiroa scutiloba Decaisne: mesotrophic waters
• Amphiroa setacea Kützing, 1849: mesotrophic waters
• Amphiroa shimodaensis Ishijima: mesotrophic waters
• Amphiroa shirahamaensis Ishijima: mesotrophic waters
• Amphiroa spectabilis Harvey: mesotrophic waters
• Amphiroa subcylindrica E.Y.Dawson, 1953: mesotrophic waters
• Amphiroa taiwanica Ishijima, 1944 †: mesotrophic waters
• Amphiroa tani Ishijima: mesotrophic waters
• Amphiroa taylorii E.Y.Dawson, 1953: mesotrophic waters
• Amphiroa tenuis W.Ishijima, 1938 †: mesotrophic waters
• Amphiroa toddae Souaya: mesotrophic waters
• Amphiroa tribulus (J.Ellis & Solander) J.V.Lamouroux, 1816: mesotrophic waters
• Amphiroa ungulata Montagne & Millardet, 1862: mesotrophic waters
• Amphiroa valonioides Yendo, 1902: mesotrophic waters
• Amphiroa wanaiensis Ishijima, 1944 †: mesotrophic waters
• Amphiroa yendoi De Toni, 1905: mesotrophic waters
• Amphiroa yendoi Børgesen, 1924: mesotrophic waters
• Arthrocladia villosa (Hudson) Duby, 1830: mesotrophic waters
• Battersia arctica (Harvey) Draisma, Prud'homme & H.Kawai, 2010: mesotrophic waters
• Battersia mirabilis Reinke ex Batters, 1890: mesotrophic waters