CaRMS Taxon list
Carradoriella denudata (Dillwyn) Savoie & G.W.Saunders, 2019
Carradoriella elongata (Hudson) Savoie & G.W.Saunders, 2019
Neosiphonia harveyi (Bailey) M.-S.Kim, H.-G.Choi, Guiry & G.W.Saunders, 2001 accepted as Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs, 2017
Polysiphonia arctica J.Agardh, 1863
Polysiphonia brodiaei (Dillwyn) Sprengel, 1827 accepted as Polysiphonia brodiei (Dillwyn) Sprengel, 1827 accepted as Leptosiphonia brodiei (Dillwyn) A.M.Savoie & G.W.Saunders, 2019
Polysiphonia brodiei (Dillwyn) Sprengel, 1827 accepted as Leptosiphonia brodiei (Dillwyn) A.M.Savoie & G.W.Saunders, 2019
Polysiphonia denudata (Dillwyn) Greville ex Harvey, 1833 accepted as Carradoriella denudata (Dillwyn) Savoie & G.W.Saunders, 2019
Polysiphonia elongata (Hudson) Sprengel, 1827 accepted as Carradoriella elongata (Hudson) Savoie & G.W.Saunders, 2019
Polysiphonia fibrillosa (C.Agardh) Sprengel, 1827 accepted as Leptosiphonia fibrillosa (Agardh) Savoie & G.W.Saunders, 2019
Polysiphonia flexicaulis (Harvey) F.S.Collins, 1911
Polysiphonia fucoides (Hudson) Greville, 1824 accepted as Vertebrata fucoides (Hudson) Kuntze, 1891
Polysiphonia harveyi Bailey, 1848 accepted as Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs, 2017
Polysiphonia lanosa (Linnaeus) Tandy, 1931 accepted as Vertebrata lanosa (Linnaeus) T.A.Christensen, 1967
Polysiphonia nigra (Hudson) Batters, 1902 accepted as Vertebrata nigra (Hudson) Díaz-Tapia & Maggs, 2017
Polysiphonia nova-angliae W.R.Taylor accepted as Neosiphonia harveyi (Bailey) M.-S.Kim, H.-G.Choi, Guiry & G.W.Saunders, 2001 accepted as Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs, 2017
Polysiphonia novae-angliae W.R.Taylor, 1937 accepted as Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs, 2017
Polysiphonia stricta (Mertens ex Dillwyn) Greville, 1824
Polysiphonia subtilissima Montagne, 1840
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville, 1824 accepted as Polysiphonia stricta (Mertens ex Dillwyn) Greville, 1824