| Batrachospermum moniliforme f. conferva atra Dillwyn & J.Agardh | R. F. Hohenacker s.n. | Sep | Falkland Islands | — | William Stanleys Haven auf den… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Batrachospermum moniliforme f. conferva atra Dillwyn & J.Agardh | R. F. Hohenacker s.n. | Sep | Falkland Islands | — | William Stanleys Haven auf den… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Cladophora catenata (L.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Cladophora crouanii G.Murray | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Chaetomorpha setacea Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Chaetomorpha princeps (Kütz.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Bangia ciliaris Carmich. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Enteromorpha intestinalis (L.) Nees | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Enteromorpha compressa (L.) Nees | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Tilopteris mertensii (W.B.Turner) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Sphacelaria cirrosa (Roth) C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Mesogloia virescens Carmich. ex Berk. | — | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Chordaria flagelliformis (O.F.Müll.) C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leathesia marina (Lyngb.) M.J.Decne. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Dictyota vulgaris var. intricata Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Dictyota dichotoma var. stenoloba J.V.Lamour. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Chnoospora implexa J.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Punctaria angustifolia Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Laminaria phyllitis (Stackh.) C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Desmarestia rossii Hook.f. & Harv. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Fucus vesiculosus var. sherardi Turner | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Pycnophycus levigatus Kütz. | — | — | — | — |  | possible type |  |  |   |  | 
                       
                        
                            
                            
                                | Cystoseira hoppei C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Halerica amentacea (C.Agardh) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Halerica selaginoides Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Callithamnion floridulum (Dillwyn) Lyngb. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Callithamnion floccosum (O.F.Müll.) C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Ballia callitricha (C.Agardh) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Bornetia secundiflora (J.Agardh) Thur. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Hormoceras patens Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Hormoceras diaphanum Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Echinoceras hystrix Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Ceramium rubrum C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Ptilota plumosa C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Nemalion coccineum (Poir.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Iridaea micans Bory | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Iridaea laminarioides Bory | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Iridaea augustinae Bory | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Callophyllis fastigiata f. intricata J.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Halymenia doryphora Mont. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Grateloupia verruculosa (Bertol.) Grev. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Polysiphonia patens (Dillwyn) Harv. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Polysiphonia urceolata (Lightf. ex Dillwyn) Grev. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Lophura patula Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Chaetangium ornatum (L.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Heringia mirabilis (C.Agardh) J.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Sphaerococcus capillaris Kütz. | — | — | — | — |  | possible type |  |  |   |  | 
                       
                        
                            
                            
                                | Sphaerococcus confervoides var. geniculatus G.Martens | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Sphaerococcus palmatus Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Sphaerococcus sarniensis (Roth) C.Agardh | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Cryptopleura lacerata (S.G.Gmel.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Cryptopleura lacerata f. pygmaea G.Martens | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Cladophora flexuosa (O.F.Müll.) Kütz. | — | — | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leathesia marina (Lyngb.) M.J.Decne. | Collector unknown 312 | s.d. | France | Normandie | Manche (Dept.). Cherbourg | — |  |  |   |  |