Displaying 1 - 75 out of 470 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Oedogonium fonticola A.Braun ex Hirn | F. Wolle | V. B. Wittrock s.n. | s.d. | United States of America | — | — | 2107454 |
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| Penium cruciferum var. pluriradians Wittr. | J. N. F. Wille | V. B. Wittrock s.n. | 20 Oct 1878 | Sweden | — | Sueciæ in Lassby backar prope… | type | 1192678 |
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| Cosmarium praemorsum | J. N. F. Wille | V. B. Wittrock s.n. | 20 Oct 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2013698 |
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| Cosmarium praemorsum | J. N. F. Wille | V. B. Wittrock s.n. | 20 Oct 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2362932 |
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| Stigonema atrovirens (Dillwyn) C.Agardh | J. N. F. Wille | V. B. Wittrock s.n. | 28 Sep 1878 | Sweden | — | Sueciæ in saxis humidis in… | — | 2363209 | ||
| Oscillatoria terebriformis C.Agardh | J. N. F. Wille | V. B. Wittrock s.n. | 15 Nov 1878 | Sweden | — | Sueciæ ad Eklundshof prope Upsaliam | — | 2364064 |
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| Ulothrix parietina (Vaucher) Kütz. | J. N. F. Wille | V. B. Wittrock s.n. | May 1883 | Sweden | Stockholm | Stockholm (Mun.). Sueciæ ad saxa… | — | 2363389 |
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| Prasiola parietina (Vaucher) Wille | J. N. F. Wille | V. B. Wittrock s.n. | May 1883 | Sweden | Stockholm | Stockholm (Mun.). Sueciæ ad saxa… | — | 2144355 |
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| Penium cruciferum var. pluriradians Wittr. | J. N. F. Wille | V. B. Wittrock s.n. | 20 Oct 1878 | Sweden | — | Sueciæ in Lassby backar prope… | type | 2363205 | ||
| Oedogonium giganteum Kütz. ex Hirn | P. T. Cleve | V. B. Wittrock s.n. | 17 Jul 1876 | Sweden | — | Sueciæ ad Flottsund prope Upsaliam | — | 2107480 |
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| Oedogonium giganteum Kütz. ex Hirn | P. T. Cleve | V. B. Wittrock s.n. | 17 Jul 1876 | Sweden | — | Sueciæ ad Flottsund prope Upsaliam | — | 2362660 |
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| Himanthalia lorea (L.) Lyngb. | V. B. Wittrock 251 | Jul | Norway | — | Lister | — | 2243465 |
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| Himanthalia lorea (L.) Lyngb. | V. B. Wittrock 251 | Jul | Norway | — | Lister | — | 2243498 |
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| Dictyota dichotoma (Huds.) J.V.Lamour. | V. B. Wittrock 264 | — | — | — | — | 2232209 |
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| Dictyota dichotoma (Huds.) J.V.Lamour. | V. B. Wittrock 264 | — | Norway | — | — | 2232222 |
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| Ralfsia verrucosa (Aresch.) Aresch. | V. B. Wittrock 265 B | Aug | Norway | — | ad Haugesund in Norvegia | — | 2271991 |
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| Asperococcus echinatus (Mertens ex Roth) C.Agardh | V. B. Wittrock 267 | Aug | Norway | — | ad Haugesund in Norvegia | — | 2227671 |
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| Stigeoclonium tenue (C.Agardh) Kütz. | V. B. Wittrock 333 | Jul | Unknown | — | Gunnarsnas, Hallans Skifferbruk in Dalia | — | 2110769 |
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| Tetraspora explanata C.Agardh | V. B. Wittrock 348 | Jun | Unknown | — | Prope Visby in Gotlandia | — | 2110897 |
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| Tetraspora explanata C.Agardh | V. B. Wittrock 348 | Jun | Unknown | — | Prope Visby in Gotlandia | — | 2110894 |
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| Microspora stagnorum (Kütz.) Lagerh. | V. B. Wittrock s.n. | Aug 1887 | Sweden | — | Sueciæ in lacu in Mörvikshummeln… | — | 2106958 |
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| Spermothamnion turneri (Mertens ex Roth) Aresch. | V. B. Wittrock s.n. | Jul 1866 | Sweden | — | Grebbestad in Bahnsia | — | 2266727 |
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| Microspora stagnorum (Kütz.) Lagerh. | V. B. Wittrock s.n. | Aug 1887 | Sweden | — | Sueciæ in lacu in Mörvikshummeln… | — | 2364367 |
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| Oscillaria inflata Menegh. | V. B. Wittrock s.n. | Aug | Sweden | — | in mare Bahusiæ prope Grebbestad | — | 2051510 |
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| Mougeotia gelatinosa Wittr. | V. B. Wittrock s.n. | 19 Aug 1887 | Sweden | — | Sueciæ in fossis prope lacum… | isotype | 2363804 |
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| Closterium pusillum Hantzsch | V. B. Wittrock s.n. | 30 Jul 1885 | Hungary | — | Hungariæ in Terra humida in… | type | 2363656 |
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| Cosmarium crenatum var. nanum Wittr. | V. B. Wittrock s.n. | 01 Jul 1882 | Sweden | Halland | Sueciæ in rupe aqua irrorata… | isotype | 2363304 |
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| Gymnozyga bambusina J.Jacobsen | V. B. Wittrock s.n. | 27 Aug 1884 | Sweden | — | Sueciæ in fossis turfosis ad… | — | 2363617 |
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| Actinotaenium curtum (Bréb. ex Ralfs) Teiling | V. B. Wittrock s.n. | s.d. | Sweden | — | prope Upsaliam | — | 2012907 |
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| Closterium ehrenbergii Menegh. ex Ralfs | V. B. Wittrock s.n. | 04 Oct 1876 | Sweden | — | Sueciæ in Kungsängen prope Upsaliam | — | 2013149 |
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| Closterium ehrenbergii Menegh. ex Ralfs | V. B. Wittrock s.n. | 04 Oct 1876 | Sweden | — | Sueciæ in Kungsängen prope Upsaliam | — | 2362742 |
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| Closterium closterioides (Ralfs) A.L.Lewis & Peeters | V. B. Wittrock s.n. | 28 Sep 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2013079 |
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| Penium closterioides Ralfs | V. B. Wittrock s.n. | 28 Sep 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2362943 |
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| Actinotaenium curtum (Bréb. ex Ralfs) Teiling | V. B. Wittrock s.n. | 04 Oct 1876 | Sweden | — | Sueciae in Kungsängen prope Upsaliam | — | 2012931 |
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| Penium curtum (Bréb. ex Ralfs) Kütz. | V. B. Wittrock s.n. | 04 Oct 1876 | Sweden | — | Sueciae in Kungsängen prope Upsaliam | — | 2362747 |
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| Closterium subulatum (Kütz.) Bréb. | V. B. Wittrock s.n. | 22 Aug 1878 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2013390 |
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| Closterium subulatum (Kütz.) Bréb. | V. B. Wittrock s.n. | 22 Aug 1878 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2362942 |
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| Cosmarium calcareum Wittr. | V. B. Wittrock s.n. | 26 Jun 1871 | Sweden | — | Sueciæ in Enholmen prope Slite… | — | 2013490 |
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| Cosmarium calcareum Wittr. | V. B. Wittrock s.n. | 26 Jun 1871 | Sweden | — | Sueciæ in Enholmen prope Slite… | — | 2362734 |
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| Staurastrum pilosum | V. B. Wittrock s.n. | 30 Jul 1885 | Hungary | — | Hungariæ in lacu Csorber-See in… | — | 2015953 |
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| Staurastrum pilosum | V. B. Wittrock s.n. | 30 Jul 1885 | Hungary | — | Hungariæ in lacu Csorber-See in… | — | 2363634 |
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| Staurastrum punctulatum | V. B. Wittrock s.n. | 19 Jul 1892 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2015974 |
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| Staurastrum punctulatum var. kjellmani Wille | V. B. Wittrock s.n. | 19 Jul 1892 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2363976 |
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| Staurastrum striolatum (Nägeli) W.Archer | V. B. Wittrock s.n. | 03 Aug 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2016014 |
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| Staurastrum striolatum (Nägeli) W.Archer | V. B. Wittrock s.n. | 03 Aug 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2362931 |
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| Staurastrum muricatum | V. B. Wittrock s.n. | 23 Jul 1892 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2015919 |
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| Staurastrum muricatum | V. B. Wittrock s.n. | 23 Jul 1892 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2363975 |
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| Spirogyra bellis (Hassall) P.Crouan & H.Crouan | V. B. Wittrock s.n. | 1876 | — | — | — | 2015033 |
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| Netrium digitus | V. B. Wittrock s.n. | 23 Jul 1877 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2014733 |
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| Penium digitus Bréb. ex Ralfs | V. B. Wittrock s.n. | 23 Jul 1877 | Sweden | — | Sueciæ in fossa turfosa ad… | — | 2362850 | ||
| Netrium oblongum (de Bary) Lütkemüller | V. B. Wittrock s.n. | 31 Jul 1885 | Hungary | — | Hungariæ in fossa turfosa in… | — | 2014770 |
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| Penium oblongum de Bary | V. B. Wittrock s.n. | 31 Jul 1885 | Hungary | — | Hungariæ in fossa turfosa in… | — | 2363672 |
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| Spirogyra majuscula Kütz. | V. B. Wittrock s.n. | 10 Jun 1883 | Sweden | — | Sueciæ ad Lemshaga in insula… | — | 2015326 |
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| Spirogyra majuscula var. brachymeres Stizenb. | V. B. Wittrock s.n. | 10 Jun 1883 | Sweden | — | Sueciæ ad Lemshaga in insula… | — | 2363414 |
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| Binuclearia tatrana Wittr. | V. B. Wittrock s.n. | 27 Jul 1885 | Hungary | — | Hungariæ in lacu Csorber-See in… | isotype | 2363490 |
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| Spirogyra setiformis (Roth) Kütz. | V. B. Wittrock s.n. | Sep | Sweden | — | Prope Upsalium | — | 2015557 |
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| Spirogyra setiformis (Roth) Kütz. | V. B. Wittrock s.n. | Sep | Sweden | — | Prope Upsalium | — | 2015576 |
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| Spirogyra subventricosa | V. B. Wittrock s.n. | — | — | — | — | 2015641 |
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| Hyalotheca dissiliens | V. B. Wittrock s.n. | 25 Jul 1892 | Sweden | — | Sueciæ ad Gellivara Lapponiæ Lulensis… | — | 2014193 |
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| Hyalotheca dissiliens | V. B. Wittrock s.n. | 25 Jul 1892 | Sweden | — | Sueciæ ad Gellivara Lapponiæ Lulensis… | — | 2363970 |
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| Mougeotia calcarea (Cleve) Wittr. | V. B. Wittrock s.n. | 21 Jul 1883 | Sweden | — | Sueciæ ad Lillfole par. Fole… | — | 2014543 |
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| Mougeotia calcarea (Cleve) Wittr. | V. B. Wittrock s.n. | 21 Jul 1883 | Sweden | — | Sueciæ ad Lillfole par. Fole… | — | 2363411 |
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| Mougeotia laetevirens Wittr. | V. B. Wittrock s.n. | 01 Aug 1868 | Sweden | — | Sueciæ ad Hjulstängen in Dalia | — | 2014630 |
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| Mougeotia laetevirens Wittr. | V. B. Wittrock s.n. | 01 Aug 1868 | Sweden | — | Sueciæ ad Hjulstängen in Dalia | — | 2362710 |
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| Mougeotia quadrangulata | V. B. Wittrock s.n. | 10 Jul 1866 | Sweden | — | Sueciæ ad Ekholmen in Dalia | — | 2014670 |
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| Mougeotia quadrata (Hassall) Wittr. | V. B. Wittrock s.n. | 10 Jul 1866 | Sweden | — | Sueciæ ad Ekholmen in Dalia | — | 2362714 |
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| Mougeotia parvula | V. B. Wittrock s.n. | 26 Jul 1876 | Sweden | — | Sueciæ ad Flottsund prope Upsaliam | — | 2014662 |
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| Mougeotia parvula | V. B. Wittrock s.n. | 26 Jul 1876 | Sweden | — | Sueciæ ad Flottsund prope Upsaliam | — | 2362711 |
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| Botryococcus braunii Kütz. | V. B. Wittrock s.n. | 06 Aug 1882 | Sweden | — | Sueciæ in lacu Skärsjön prope… | — | 2016571 |
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| Botryococcus braunii Kütz. | V. B. Wittrock s.n. | 06 Aug 1882 | Sweden | — | Sueciæ in lacu Skärsjön prope… | — | 2363261 |
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| Oedogonium borisianum Wittr. ex Hirn | V. B. Wittrock s.n. | 09 Jul 1876 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2107183 |
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| Oedogonium borisianum Wittr. ex Hirn | V. B. Wittrock s.n. | 09 Jul 1876 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2348394 |
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| Cladophora fracta f. gossypina (Kütz.) Rabenh. | V. B. Wittrock s.n. | 19 Jun 1877 | Sweden | — | Sueciæ in stagno Kungsängen prope… | — | 2362787 |
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| Spirogyra princeps | V. B. Wittrock s.n. | Jul 1882 | Sweden | — | Sueciæ ad Ingenting prope Holmiam | — | 2363278 |
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| Closterium dianae Ehrenb. ex Ralfs | V. B. Wittrock s.n. | Oct 1878 | Sweden | — | Sueciæ in Lassby backar prope… | — | 2013107 |
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