Displaying 126 - 175 out of 185 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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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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| 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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| Blidingia marginata (J.Agardh) P.J.L.Dang. | W. J. V. Osterhout | N. L. Gardner s.n. | 01 Jun 1903 | United States of America | California | Alameda Co. strictly fresh water,… | — |
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| Enteromorpha micrococca f. bullosa Collins | W. J. V. Osterhout | N. L. Gardner s.n. | 24 Jun 1902 | United States of America | California | Alameda Co. in fresh water… | 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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| Cosmarium meneghinii var. angulosum (Bréb.) Rabenh. | W. J. V. Osterhout | N. L. Gardner s.n. | 24 Jun 1902 | United States of America | California | San Francisco Co. Mountain lake | — |
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| Closterium lunula Ehrenb. & Hemprich ex Ralfs | W. J. V. Osterhout | N. L. Gardner s.n. | 26 Jun 1902 | United States of America | California | Alameda Co. Cultivated in Botanical… | — |
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| Closterium lunula Ehrenb. & Hemprich ex Ralfs | W. J. V. Osterhout | N. L. Gardner s.n. | 14 Jun 1902 | United States of America | California | Alameda Co. Lake Chabot, in… | — |
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| Enteromorpha intestinalis f. maxima J.Agardh | W. J. V. Osterhout | N. L. Gardner s.n. | s.d. | United States of America | California | San Francisco Co. forming dense… | — |
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| Trentepohlia aurea (L.) Mart. | W. J. V. Osterhout s.n. | 21 Jul 1902 | United States of America | California | San Francisco Co. Farallone Islands,… | — |
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| Scenedesmus bijugatus var. alternans (Reinsch) Hansg. | W. J. V. Osterhout | N. L. Gardner s.n. | 18 Jun 1902 | United States of America | California | San Francisco Co. Mountain Lake | — |
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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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| Rhaphidium polymorphum Fresen. | W. J. V. Osterhout | N. L. Gardner s.n. | 18 Jun 1902 | United States of America | California | San Francisco Co. Mountain Lake | — |
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| Penium digitus var. ventriosum Lagerh. | W. J. V. Osterhout | N. L. Gardner s.n. | 06 Aug 1903 | United States of America | California | San Francisco Co. Mountain Lake,… | — |
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| Oocystis solitaria Wittr. | W. J. V. Osterhout | N. L. Gardner s.n. | 28 Jun 1902 | United States of America | California | Alameda Co. Lake Chabot, on… | — |
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| Rhizoclonium hieroglyphicum var. typicum Brand | W. J. V. Osterhout | N. L. Gardner s.n. | 24 Jun 1902 | United States of America | California | San Francisco Co. Mountain Lake | — |
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| Rhizoclonium hieroglyphicum var. macromeres Nordst. | W. J. V. Osterhout | N. L. Gardner s.n. | 30 Jun 1903 | United States of America | California | Alameda Co. floating in Little… | — |
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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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| Zygnema stellinum (O.F.Müll.) C.Agardh | W. J. V. Osterhout | N. L. Gardner s.n. | 24 Jun 1902 | United States of America | California | San Francisco Co. Mountain Lake | — |
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| Mougeotia sphaerocarpa | W. J. V. Osterhout | N. L. Gardner s.n. | 06 Aug 1902 | United States of America | California | San Francisco Co. Mountain Lake,… | — |
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| Gonatonema notabile (Hassall) Wittr. | W. J. V. Osterhout | N. L. Gardner s.n. | 23 Sep 1903 | United States of America | California | Alameda Co. Mountain View Cemetery,… | — |
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| Botryococcus braunii Kütz. | W. J. V. Osterhout | N. L. Gardner s.n. | 25 Sep 1903 | United States of America | California | Alameda Co. Mountain View Cemetery,… | — |
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| Prasiola gardneri Collins | W. J. V. Osterhout | N. L. Gardner s.n. | 16 Sep 1903 | United States of America | California | Alameda Co. floating in a… | type |
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| Gongrosira debaryana Rabenh. | W. J. V. Osterhout | N. L. Gardner s.n. | 25 Jul 1902 | United States of America | California | Alameda Co. University of California,… | — |
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| Ulothrix subflaccida Wille | W. J. V. Osterhout | N. L. Gardner s.n. | 20 Sep 1903 | United States of America | California | on a steamer plying between… | — |
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| Cladophora glomerata var. genuina O.Kirchner | W. J. V. Osterhout | N. L. Gardner s.n. | May 1903 | United States of America | California | San Francisco Co. on stones… | — |
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| Conferva bombycina C.Agardh | W. J. V. Osterhout | N. L. Gardner s.n. | Jun 1903 | United States of America | California | Alameda Co. near Berkeley, in… | — |
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| Cladophora amphibia Collins | W. J. V. Osterhout | N. L. Gardner s.n. | 26 Sep 1903 | United States of America | California | Alameda Co. salt marsh, forming… | type |
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| Ulothrix variabilis Kütz. | W. J. V. Osterhout s.n. | 23 Jun 1906 | United States of America | California | Marin Co. Mount Tamalpais, in… | — |
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| Nitella clavata Kütz. | W. J. V. Osterhout | N. L. Gardner s.n. | 04 Aug 1906 | United States of America | California | Marin Co. Lake Lagunita | — |
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| Chara schweinitzii (A.Braun) Kütz. | W. J. V. Osterhout | N. L. Gardner s.n. | 04 Aug 1906 | United States of America | California | Marin Co. Lake Lagunita | — |
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| Gigartina canaliculata Harv. | W. J. V. Osterhout | N. L. Gardner s.n. | 08 Jun 1906 | United States of America | California | San Mateo Co. Moss Beach,… | — |
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| Cosmarium meneghinii Bréb. | W. J. V. Osterhout | N. L. Gardner s.n. | 19 Aug 1903 | United States of America | California | San Francisco Co. marine hospital,… | — |
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| Stigeoclonium tenue (C.Agardh) Kütz. | W. J. V. Osterhout | N. L. Gardner s.n. | Jun 1903 | United States of America | California | San Francisco Co. on stones… | — |
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| Oocystis naegelii A.Braun | W. J. V. Osterhout s.n. | 16 Sep 1906 | United States of America | California | Marin Co. Mount Tamalpais, in… | — |
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| Zygnema cruciatum f. leiosporum Collins | W. J. V. Osterhout s.n. | 03 Nov 1907 | United States of America | California | Alameda Co. pool near Lake… | type |
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| Phormidium incrustatum (Nägeli) Gomont | W. J. V. Osterhout | N. L. Gardner s.n. | Sep 1902 | United States of America | California | Alameda Co. on the sides… | — |
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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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| Gloeothece rupestris (Lyngb.) Bornet | W. J. V. Osterhout | H. D. Densmore s.n. | 04 Jul 1906 | United States of America | California | Marin Co. Mount Tamalpais, on… | — |
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| Amphithrix janthina Bornet & Flahault | W. J. V. Osterhout | N. L. Gardner s.n. | 26 Feb 1906 | United States of America | California | Alameda Co. east of Oakland,… | — |
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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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| 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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| Anabaena inaequalis Bornet & Flahault | W. J. V. Osterhout | N. L. Gardner s.n. | 28 Jun 1902 | United States of America | California | Alameda Co. Lake Chabot | — |
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| Gloeocapsa crepidinum (Thur.) Thur. | W. J. V. Osterhout | N. L. Gardner s.n. | 26 Sep 1903 | United States of America | California | Alameda Co. forming gelatinous masses… | — |
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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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| 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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| Calothrix parietina (Naeg.) Thur. | W. J. V. Osterhout | N. L. Gardner s.n. | Jul 1905 | United States of America | California | Alameda Co. on the sides… | — |
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| Phormidium submembranaceum (Ardiss. & J.Straff.) Gomont | W. J. V. Osterhout | N. L. Gardner s.n. | 26 Sep 1903 | United States of America | California | Alameda Co. forming a thick… | — |
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| Scytonema hofmannii C.Agardh ex Bornet & Flahault | W. J. V. Osterhout | N. L. Gardner s.n. | 21 Jun 1906 | United States of America | California | Marin Co. on moist soil… | — |
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| Aphanothece microscopica Nägeli | W. J. V. Osterhout s.n. | Jul 1906 | United States of America | California | Marin Co. Lake Lagunita, on… | — |
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