Displaying 51 - 75 out of 158 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Closterium juncidum Ralfs | P. G. Richter s.n. | Juni 1874 | Germany | — | Torfmoor um Rossendorf bei Stolpen | — |
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| Nitzschia sigma (Kütz.) W.Sm. | P. G. Richter s.n. | Jul 1875 | Germany | — | Kötzschau bei Leipzig. | — |
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| Closterium lineatum Ehrenb. ex Ralfs | P. G. Richter s.n. | Jul 1875 | Germany | — | Rossendorf bei Radeberg aus einem… | — |
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| Closterium leibleinii Kütz. ex Ralfs | P. G. Richter s.n. | Jul 1875 | Germany | — | Rossendorf bei Radeberg aus einem… | — |
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| Navicula occulta Krasske | P. G. Richter s.n. | 1876 | Germany | Saxony | Vegetirte in einem Wasserglasse. Leipzig. | — |
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| Navicula radiosa Kütz. | P. G. Richter s.n. | 1876 | Germany | — | Rohrbach bei Leipzig, am Schilfe… | — |
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| Cyclotella operculata (C.Agardh) Bréb. | P. G. Richter s.n. | Apr 1877 | Germany | — | Leipzig: Anger ans einem Teihe. | — |
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| Fragillaria vaucheriae (Kütz.) J.B.Petersen | P. G. Richter s.n. | 23 Apr 1877 | Germany | — | Leipzig: Kotzshau. | — |
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| Nitzschiella acicularis (Kütz.) Rabenh. | P. G. Richter s.n. | May 1877 | Germany | — | Roitzsch um Wurzen bei Leipzig. | — |
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| Conferva sordida Roth | P. G. Richter s.n. | Apr 1878 | Germany | — | Leipzig, Scheibenholz | — |
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| Tetraspora natans Kütz. | P. G. Richter s.n. | Apr 1878 | Germany | — | Striegnitz bei Lommatzsch in Sachsen | — |
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| Vaucheria geminata (Vaucher) DC. | P. G. Richter s.n. | Apr 1879 | Germany | — | Leipzig. Saline Durrenberg | — |
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| Lyngbya coriacea var. parietina (Stizenb.) P.G.Richt. | P. G. Richter s.n. | 19 Apr 1879 | Germany | — | Germaniæ ad parietes caldarii in… | — | ||||
| Pleurotaenium crenulatum (Ehrenb. ex Ralfs) Rabenh. | P. G. Richter s.n. | 28 May 1879 | Germany | — | Germaniæ in stagno turfoso ad… | — |
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| Pleurotaenium crenulatum (Ehrenb. ex Ralfs) Rabenh. | P. G. Richter s.n. | 28 May 1879 | Germany | — | Germaniæ in stagno turfoso ad… | — | ||||
| Closterium acerosum Ehrenb. ex Ralfs | P. G. Richter s.n. | 08 Apr 1880 | Germany | — | Germaniæ in fossa ad Stünz… | — |
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| Closterium acerosum Ehrenb. ex Ralfs | P. G. Richter s.n. | 08 Apr 1880 | Germany | — | Germaniæ in fossa ad Stünz… | — | ||||
| Gloeothece decipiens A.Braun | P. G. Richter s.n. | 21 Apr 1880 | Germany | — | Germaniæ ad parietes caldarii in… | — |
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| Chlamydomonas globulosa Perty | P. G. Richter s.n. | May 1880 | Germany | — | Leipzig, Anger in einem Teiche | — |
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| Urococcus insignis (Hassall) Kütz. | P. G. Richter s.n. | 26 May 1880 | Germany | Saxony | Germaniæ in rupibus humectis cum… | — | ||||
| Urococcus insignis (Hassall) Kütz. | P. G. Richter s.n. | 26 May 1880 | Germany | Saxony | Germaniæ in rupibus humectis cum… | — |
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| Gloeocapsa sanguinea (C.Agardh) Kütz. | P. G. Richter s.n. | 26 May 1880 | Germany | Saxony | Germaniæ in rupibus humidis ad… | — | ||||
| Rhaphidium minutum Naeg. | P. G. Richter s.n. | 17 Jun 1880 | Germany | — | Germaniæ in aquario meo | — | ||||
| Monoraphidium minutum (Nägeli) Komárk.-Legn. | P. G. Richter s.n. | 17 Jun 1880 | Germany | — | Germaniæ in aquario meo | — |
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| Draparnaldia glomerata (Vaucher) C.Agardh | P. G. Richter s.n. | Jul 1880 | Germany | Saxony | — |
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