Displaying 1 - 50 out of 185 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Polysiphonia elongata (Huds.) Harv. | W. J. V. Osterhout s.n. | 22 Aug 1892 | United States of America | Massachusetts | Dukes Co. Martha's Vineyard, Gay… | — |
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| Polysiphonia elongata (Huds.) Harv. | W. J. V. Osterhout s.n. | 22 Aug 1892 | United States of America | Massachusetts | Dukes Co. Martha's Vineyard, Gay… | — |
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| Clathrocystis aeruginosa (Kütz.) Henfr. | W. J. V. Osterhout s.n. | 15 Oct 1892 | United States of America | Rhode Island | Providence Co. Mashapaug Pond | — |
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| Nitella morongii Allen | W. A. Setchell | W. J. V. Osterhout 1195 | 15 Jul 1893 | United States of America | Massachusetts | Barnstable Co. in pool near… | — |
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| Oedogonium undulatum A.Braun ex Hirn | W. J. V. Osterhout s.n. | 19 Jul 1893 | United States of America | Massachusetts | Martha's Vineyard, in a pool… | — |
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| Oedogonium undulatum A.Braun ex Hirn | W. J. V. Osterhout s.n. | 19 Jul 1893 | United States of America | Massachusetts | Martha's Vineyard, in a pool… | — |
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| Oedogonium undulatum A.Braun ex Hirn | W. J. V. Osterhout s.n. | 19 Jul 1893 | United States of America | Massachusetts | Martha's Vineyard, in a pool… | — |
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| Oedogonium undulatum A.Braun ex Hirn | W. J. V. Osterhout s.n. | 19 Jul 1893 | United States of America | Massachusetts | Martha's Vineyard, in a pool… | — |
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| Oscillatoria tenuis var. tergestina Rabenh. ex Gomont | W. A. Setchell | W. J. V. Osterhout s.n. | 28 Mar 1894 | United States of America | California | Alameda Co. in warm water… | — |
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| Phormidium subfuscum var. joannianum Gomont | W. J. V. Osterhout s.n. | Apr 1894 | United States of America | Rhode Island | Moshassuck River, near Woodlawn | — |
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| Gloeothece cystifera (Hassall) Rabenh. | W. J. V. Osterhout s.n. | 30 Apr 1894 | United States of America | Rhode Island | Providence Co. on woodwork of… | — |
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| Vaucheria hamata (Vaucher) DC. | W. J. V. Osterhout s.n. | 10 May 1894 | United States of America | Rhode Island | Morgan's Mills | — |
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| Vaucheria undulata C. C. Jao | W. J. V. Osterhout s.n. | 10 May 1894 | United States of America | Rhode Island | Morgan's Mills | — |
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| Vaucheria terrestris (Vaucher) DC. | W. J. V. Osterhout s.n. | 10 May 1894 | United States of America | Rhode Island | Morgan's Mills | — |
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| Batrachospermum helminthosum Bory | W. J. V. Osterhout s.n. | 09 Jun 1894 | United States of America | Rhode Island | Washington Co. on stones in… | — |
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| Batrachospermum helminthosum Bory | W. J. V. Osterhout s.n. | 09 Jun 1894 | United States of America | Rhode Island | Washington Co. on stones in… | — |
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| Schizomeris leibleinii Kütz. | W. J. V. Osterhout s.n. | 07 Oct 1894 | United States of America | Rhode Island | Providence Co. Berkley [Berkeley Mill… | — |
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| Schizomeris leibleinii Kütz. | W. J. V. Osterhout s.n. | 07 Oct 1894 | United States of America | Rhode Island | Providence Co. Berkley [Berkeley Mill… | — |
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| Schizomeris leibleinii Kütz. | W. J. V. Osterhout s.n. | 07 Oct 1894 | United States of America | Rhode Island | Providence Co. Berkley [Berkeley Mill… | — |
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| Schizomeris leibleinii Kütz. | W. J. V. Osterhout 902 | 08 Oct 1894 | United States of America | Rhode Island | Providence Co. | — |
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| Dichothrix baueriana (Grunow) Bornet & Flahault | W. J. V. Osterhout s.n. | 22 Oct 1894 | United States of America | Rhode Island | Providence Co. on submerged limestone… | — |
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| Spirogyra longata (Vaucher) Kütz. | W. J. V. Osterhout s.n. | 07 May 1895 | United States of America | Rhode Island | Providence Co. Knightsville | — |
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| Spirogyra longata (Vaucher) Kütz. | W. J. V. Osterhout s.n. | 07 May 1895 | United States of America | Rhode Island | Providence Co. Knightsville | — |
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| Spirogyra longata (Vaucher) Kütz. | W. J. V. Osterhout s.n. | 07 May 1895 | United States of America | Rhode Island | Providence Co. Knightsville | — |
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| Gloeocystis fenestralis Kütz. | W. J. V. Osterhout s.n. | 01 Jul 1895 | United States of America | Rhode Island | Providence Co. growing in a… | — |
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| Gloeocystis fenestralis Kütz. | W. J. V. Osterhout s.n. | 01 Jul 1895 | United States of America | Rhode Island | Providence Co. growing in a… | — |
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| Gloeocystis fenestralis Kütz. | W. J. V. Osterhout s.n. | 01 Jul 1895 | United States of America | Rhode Island | Providence Co. growing in a… | — |
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| Microcoleus chthonoplastes Thur. ex Gomont | W. J. V. Osterhout s.n. | 17 Jul 1895 | United States of America | Massachusetts | Barnstable Co. salt marsh, growing… | — |
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| Audouinella macrospora (H.C.Wood) Sheath & J.M.Burkh. | W. A. Setchell | W. J. V. Osterhout s.n. | 03 Aug 1895 | United States of America | Massachusetts | Nantucket Co. Nantucket, Gibb's Pond | type |
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| Batrachospermum australe Collins | W. A. Setchell | W. J. V. Osterhout s.n. | 03 Aug 1895 | United States of America | Massachusetts | Nantucket Co. Nantucket, Gibb's Pond | type |
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| Melobesia farinosa J.V.Lamour. | W. A. Setchell | W. J. V. Osterhout s.n. | 13 Aug 1895 | United States of America | Massachusetts | Barnstable Co. just below low… | — |
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| Melobesia farinosa J.V.Lamour. | W. A. Setchell | W. J. V. Osterhout s.n. | 13 Aug 1895 | United States of America | Massachusetts | Barnstable Co. just below low… | — |
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| Agardhiella tenera (J.Agardh) F.Schmitz | W. A. Setchell | W. J. V. Osterhout 20 | 1895 | United States of America | Massachusetts | Barnstable Co. Woods Hole | — |
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| Agardhiella tenera (J.Agardh) F.Schmitz | W. A. Setchell | W. J. V. Osterhout 20 | 1895 | United States of America | Massachusetts | Barnstable Co. | — |
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| Spirulina subtilissima Kütz. | W. J. V. Osterhout s.n. | 17 Jul 1900 | United States of America | California | Contra Costa Co. Mt. Diablo,… | — |
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| Scenedesmus bijuga (Turpin) Lagerh. | W. J. V. Osterhout | N. L. Gardner s.n. | 23 May 1902 | United States of America | California | Alameda Co. in quiet shallow… | — |
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| Nodularia armorica Thur. ex Bornet & Flahault | W. J. V. Osterhout | N. L. Gardner s.n. | 30 May 1902 | United States of America | California | Alameda Co. in a shallow… | — |
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| Ulothrix subtilis Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | Farralone Islands, in fresh water… | — |
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| Ulothrix subtilis Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | Farralone Islands, in fresh water… | — |
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| Prasiola crispa (Lightf.) Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | On a cliff about 30… | — |
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| Prasiola crispa (Lightf.) Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | San Francisco Co. Farallone Islands,… | — |
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| Ulothrix variabilis Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | Farralone Islands, in fresh water… | — |
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| Prasiola crispa (Lightf.) Kütz. | W. J. V. Osterhout s.n. | 02 Jun 1902 | United States of America | California | San Francisco Co. Farallone Islands,… | — |
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| Pandorina morum (O.F.Müll.) Bory | W. J. V. Osterhout | N. L. Gardner s.n. | 06 Jun 1902 | United States of America | California | Alameda Co. campus of the… | — |
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| Pandorina morum (O.F.Müll.) Bory | W. J. V. Osterhout | N. L. Gardner s.n. | 06 Jun 1902 | United States of America | California | Alameda Co. campus of the… | — |
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| Pandorina morum (O.F.Müll.) Bory | W. J. V. Osterhout | N. L. Gardner s.n. | 06 Jun 1902 | United States of America | California | Alameda Co. campus of the… | — |
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| Stichococcus bacillaris Nägeli | W. J. V. Osterhout s.n. | 08 Jun 1902 | United States of America | California | Alameda Co. in shade, on… | — |
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| Stichococcus bacillaris Nägeli | W. J. V. Osterhout s.n. | 08 Jun 1902 | United States of America | California | Alameda Co. in shade, on… | — |
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| Stichococcus bacillaris Nägeli | W. J. V. Osterhout s.n. | 08 Jun 1902 | United States of America | California | Alameda Co. in shade, on… | — |
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| Cladophora glomerata (L.) Kütz. | W. J. V. Osterhout | N. L. Gardner s.n. | 14 Jun 1902 | United States of America | California | Alameda Co. Lake Chabot, attached… | — |
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