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                                | Meridion circulare (Grev.) C.Agardh | H. Heiden s.n. | May 1888 | Germany | — | Rostock. Das Rohmaterial ist fliessendem,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | A. A. A. A. Bellynck s.n. | 1845 - 1859 | Belgium | — | Dans le ruisseau d'Amée, pres… | — |  |  |   |  | 
                       
                        
                            
                            
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                                | Meridion circulare (Grev.) C.Agardh | Collector unknown s.n. | s.d. | Germany | — | Fussbach bei Bielefeld, in Quellen | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | F. Negri s.n. | Mar 1880 | Italy | — | Nei rigagnoli dei prati a… | — |  |  |   |  | 
                       
                        
                            
                            
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                                | Meridion circulare (Grev.) C.Agardh | E. F. A. W. Migula s.n. | Mar 1904 | Germany | — | Bair. Pfalz: Hagenbach, an Wasserpflanzen… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | E. F. A. W. Migula s.n. | 15 Apr 1929 | Germany | — | Thüringen: Eisenach, in einem kleinen… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | E. F. A. W. Migula s.n. | 15 Apr 1929 | Germany | — | Thüringen: Eisenach, in einem kleinen… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | E. F. A. W. Migula s.n. | 15 Apr 1929 | Germany | — | Thüringen: Eisenach, in einem kleinen… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | Collector unspecified s.n. | Jun | Sweden | Uppsala | Upsala. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | J. Zimmermann s.n. | s.d. | Czech Republic | South Moravia | Moravia: in piscinis prope Eisgrub. | — |  |  |   |  | 
                       
                        
                            
                            
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                                | Meridion circulare (Grev.) C.Agardh | J. D. Sayre 45 | 05 Jul 1918 | United States of America | Alaska | In a new spring in… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | Collector unspecified s.n. | s.d. | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Meridion circulare (Grev.) C.Agardh | Collector unknown 39 | Jun | Sweden | Uppsala | Upsala. | — |  |  |   |  | 
                       
                        
                            
                            
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                                | Meridion circulare (Grev.) C.Agardh | Collector unknown s.n. | s.d. | Germany | — | Fussbach bei Bielefeld, in Quellen | — |  |  |   |  |