Displaying 51 - 75 out of 158 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Fragillaria vaucheriae (Kütz.) J.B.Petersen | P. G. Richter s.n. | Mar 1869 | Germany | — | Leipzig, aus einem Gräben in… | — |
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| Frustulia vulgaris (Thwaites) De Toni | P. G. Richter s.n. | Jun 1874 | Germany | Saxony | Schönfeld bei Dresden | — |
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| Melosira roeseana Rabenh. | P. G. Richter s.n. | 1871 | Germany | Saxony | Leipzig, aus einem Brunnen in… | — |
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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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| Navicula viridula (Kütz.) Ehrenb. | P. G. Richter s.n. | s.d. | Germany | — | An einem Muhlgange in Kötzschau… | — |
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| Nitzschia sigma (Kütz.) W.Sm. | P. G. Richter s.n. | Jul 1875 | Germany | — | Kötzschau bei Leipzig. | — |
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| Nitzschiella acicularis (Kütz.) Rabenh. | P. G. Richter s.n. | Jun 1969 | Germany | — | Berneck im Fichtelgebirge, aus der… | — |
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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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| Porphyridium wittrockii P.G.Richt. | P. G. Richter s.n. | 29 Nov 1881 | Germany | — | Germaniæ ad parietes caldarii in… | isotype | ||||
| Rhaphidium minutum Naeg. | P. G. Richter s.n. | 17 Jun 1880 | Germany | — | Germaniæ in aquario meo | — | ||||
| Gloeocystis fenestralis Kütz. | P. G. Richter s.n. | 19 Nov 1881 | Germany | — | Germaniæ ad vitra fenestrarum caldarii… | — | ||||
| Bambusina borreri (Ralfs) Cleve | P. G. Richter s.n. | 03 Aug 1881 | Austria | — | Austriæ in alpibus (1956 m.)… | — | ||||
| Cosmarium truncatum (Bréb.) Naeg. | P. G. Richter s.n. | 29 Jul 1880 | Germany | — | Germaniæ in stagno turfoso ad… | — | ||||
| Closterium angustatum Kütz. ex Ralfs | P. G. Richter s.n. | 03 Aug 1880 | Germany | — | Germanæi in fossa turfosa prope… | — | ||||
| Chlamydomonas communis J.Snow | P. G. Richter s.n. | 07 Aug 1882 | Germany | — | Germaniæ in cubiculo meo in… | — |
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| Chlamydomonas globulosa Perty | P. G. Richter s.n. | 08 May 1881 | Germany | — | Germaniæ in palude ad Anger… | — |
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| Protococcus cinnamomeus Kütz. | P. G. Richter s.n. | 12 Oct 1882 | Germany | — | Germaniæ in parietibus caldariorum ad… | — |
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| Gloeocystis vesiculosa Nägeli | P. G. Richter s.n. | 10 Aug 1882 | Germany | — | Germaniæ in muscis ad Wünschendorf… | — |
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| Cosmarium meneghinii Bréb. | P. G. Richter s.n. | 29 May 1881 | Germany | — | Germaniæ in rupibus humectis cum… | — |
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| Rhizoclonium hieroglyphicum (C.Agardh) Kütz. | P. G. Richter s.n. | 12 Apr 1882 | Germany | — | Germaniæ parietes caldarii in Anger… | — |
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| Gloeocystis rupestris Rabenh. | P. G. Richter s.n. | s.d. | Germany | — | Germaniæ in montibus arenosis ad… | — |
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| Cosmarium anceps P.Lundell | P. G. Richter s.n. | 11 Apr 1882 | Germany | — | Germaniæ ad parietes caldarii in… | — |
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| Rhizoclonium hieroglyphicum (C.Agardh) Kütz. | P. G. Richter s.n. | 12 Apr 1882 | Germany | — | Germaniæ parietes caldarii in Anger… | — |
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| Euastrum rostratum | P. G. Richter s.n. | April 1867 | Germany | — | Leipzig, aus der Aue bei… | — |
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