Displaying 1 - 75 out of 87 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Alaria marginata Postels & Rupr. | Collector unknown s.n. | s.d. | — | — | [without locality] | — |
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| Batrachospermum keratophytum Bory | G. Gibbs | H. L. Lyon s.n. | 14 Jul 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Chaetophora elegans var. longipila (Kütz.) Hansg. | J. E. Tilden s.n. | 21 Aug 1901 | United States of America | Minnesota | Saint Louis Co. between New… | — |
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| Chaetophora elegans var. longipila (Kütz.) Hansg. | J. E. Tilden s.n. | 21 Aug 1901 | United States of America | Minnesota | Saint Louis Co. between New… | — |
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| Chaetophora pisiformis (Roth) C.Agardh | J. E. Tilden s.n. | 19 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Fond du… | — |
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| Chaetophora pisiformis (Roth) C.Agardh | J. E. Tilden s.n. | 19 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Fond du… | — |
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| Chara braunii C.C.Gmel. | J. E. Tilden s.n. | 15 Aug 1901 | United States of America | Minnesota | twelve miles from Duluth, east… | — |
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| Chara braunii C.C.Gmel. | J. E. Tilden s.n. | 15 Aug 1901 | United States of America | Minnesota | twelve miles from Duluth, east… | — |
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| Cheilosporum planiusculum (Kütz.) Yendo | J. E. Tilden s.n. | 28 Jun 1901 | Canada | British Columbia | Vancouver Island, Port Renfrew, Minnesota… | — |
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| Cladophora composita var. contracta F.Brand ex Tilden | J. E. Tilden s.n. | 17 May 1900 | United States of America | Hawaii | Oahu, Waianae, attached to rocks… | type | ||||
| Cladophora crispata (Roth) Kütz. | J. E. Tilden s.n. | 25 Jul 1900 | United States of America | Hawaii | Kauai, Hanalei, in ditch in… | — |
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| Cladophora glomerata (L.) Kütz. | J. E. Tilden s.n. | 22 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Lester Park,… | — |
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| Cladophora glomerata (L.) Kütz. | J. E. Tilden s.n. | 20 Aug 1901 | United States of America | Minnesota | Saint Louis Co. three miles… | — |
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| Cladophora glomerata (L.) Kütz. | R. Lees s.n. | 19 Jun 1897 | Canada | Ontario | Elgin Co. White's Mill, on… | — |
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| Cladophora membranacea Hofman Bang ex C.Agardh | J. E. Tilden s.n. | 17 May 1900 | United States of America | Hawaii | Oahu, Waianae, attached to rocks… | type |
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| Cladophora tildenii F.Brand | J. E. Tilden s.n. | 06 Jun 1900 | United States of America | Hawaii | Oahu, Pearl City, Peninsula, in… | lectotype |
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| Cladophora tildenii F.Brand | J. E. Tilden s.n. | 06 Jun 1900 | United States of America | Hawaii | Oahu, Pearl City, Peninsula, in… | isolectotype |
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| Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier | C. M. Crosby | C. MacMillan s.n. | 08 Jul 1901 | Canada | British Columbia | Vancouver Island, near Minnesota Seaside… | — |
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| Conferva sordida Roth | J. E. Tilden s.n. | 16 Aug 1901 | United States of America | Minnesota | nine miles from Duluth, Pike… | — |
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| Corallina cuvieri J.V.Lamour. | J. E. Tilden s.n. | 24 Jun 1900 | United States of America | Hawaii | Oahu, Waianae, growing under ledge… | — |
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| Cyclotella operculata (C.Agardh) Bréb. | J. E. Tilden s.n. | 10 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Lincoln Park,… | — |
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| Dictyoneurum californicum Rupr. | C. K. Leavitt | C. MacMillan s.n. | 08 Jul 1901 | Canada | British Columbia | Vancouver Island, on beach east… | — |
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| Erythrophyllum delesserioides J.Agardh | J. E. Tilden s.n. | 30 Jun 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Fragilaria vaucheriae var. capitellata (Grunow) | J. E. Tilden s.n. | 29 Aug 1901 | United States of America | Minnesota | Lake Superior, opposite Fish Hatcheries,… | — |
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| Gelidium crinale (Hare ex Turner) Gaillon | J. E. Tilden s.n. | 21 May 1900 | United States of America | Hawaii | Oahu, Waianae, in tide pool | — |
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| Gelidium latifolium Bornet ex Hauck | J. E. Tilden s.n. | 25 Jun 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Grateloupia filicina (J.V.Lamour.) C.Agardh | J. E. Tilden s.n. | 25 Jul 1900 | United States of America | Hawaii | Kauai, Kapaa, hanging from rocks… | — |
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| Halosaccion fucicola (Postels & Rupr.) Kütz. | J. E. Tilden s.n. | 01 Jul 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Halymenia hakalauensis Tilden | J. E. Tilden s.n. | 10 Jul 1900 | United States of America | Hawaii | Hakalua, mouth of stream | probable type |
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| Hormiscia zonata var. valida (Naeg.) Rabenh. | J. E. Tilden s.n. | 08 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Lake Superior,… | — |
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| Hydrurus foetidus (Vill.) Trevis. | T. A. Williams | D. Griffiths s.n. | 20 Aug 1898 | United States of America | Wyoming | near Buffalo, North Fork Clear… | — |
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| Hypnea nidifica J.Agardh | J. E. Tilden s.n. | 28 May 1900 | United States of America | Hawaii | Oahu, Waikiki, attached to other… | — |
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| Jania novae-zelandiae Harv. | J. E. Tilden s.n. | 26 May 1900 | United States of America | Hawaii | Oahu, Waianae, low tide | — |
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| Laurencia dotyi Saito | J. E. Tilden s.n. | 13 Jun 1900 | United States of America | Hawaii | Oahu, Kahuka point, on reef… | — |
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| Laurencia majuscula (Harv.) A.H.S.Lucas | J. E. Tilden s.n. | 13 Jun 1900 | United States of America | Hawaii | Oahu, Kahuka point, on reef… | — |
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| Lithophyllum reinboldii Weber Bosse & Foslie | J. E. Tilden s.n. | 11 Jun 1900 | United States of America | Hawaii | Oahu, Waialua | — |
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| Macrocystis pyrifera (L.) C.Agardh | J. E. Tilden s.n. | 28 Jun 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Melosira varians C.Agardh | J. E. Tilden s.n. | 26 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Woodland Park,… | — |
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| Microspora amoena (Kütz.) Rabenh. | J. E. Tilden s.n. | 20 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Fond du… | — |
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| Microspora amoena var. hawaiiana Tilden | J. E. Tilden s.n. | 03 Jul 1900 | United States of America | Hawaii | Punaluu, Kauila spring (help sacred… | type |
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| Microspora loefgrenii var. suecica (Wittr.) De Toni | J. E. Tilden s.n. | 23 Aug 1901 | United States of America | Minnesota | Saint Louis Co. near Woodland… | — |
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| Mougeotia genuflexa var. radicans (Kütz.) Hansg. | J. E. Tilden s.n. | 12 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Minnesota point,… | — |
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| Nitella confervacea (Bréb.) A.Braun ex Leonh. | J. E. Tilden s.n. | 15 Aug 1901 | United States of America | Minnesota | twelve miles from Duluth, east… | — |
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| Nitella confervacea (Bréb.) A.Braun ex Leonh. | J. E. Tilden s.n. | 15 Aug 1901 | United States of America | Minnesota | twelve miles from Duluth, east… | — | ||||
| Nitella confervacea (Bréb.) A.Braun ex Leonh. | J. E. Tilden s.n. | 15 Aug 1901 | United States of America | Minnesota | twelve miles from Duluth, east… | — |
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| Nitzschia sigmoidea (Nitzsch) W.Sm. | J. E. Tilden s.n. | 20 Aug 1901 | United States of America | Minnesota | Saint Louis Co. three miles… | — |
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| Oedogonium capilliforme var. australe Wittr. | J. E. Tilden s.n. | 12 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Minnesota point,… | — |
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| Oedogonium crispum var. gracilescens Wittr. ex Hirn | J. E. Tilden s.n. | 12 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Minnesota Point,… | — |
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| Oedogonium crispum Wittr. ex Hirn | C. K. Leavitt s.n. | 08 Jul 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Oscillatoria minnesotensis Tilden | G. Lilley s.n. | 27 Feb 1902 | United States of America | Minnesota | Hennepin Co. near University campus,… | type |
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| Oscillatoria minnesotensis Tilden | G. Lilley s.n. | 27 Feb 1902 | United States of America | Minnesota | Hennepin Co. near University campus,… | isotype |
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| Palmella mucosa Kütz. | G. Lilley s.n. | 22 Apr 1901 | United States of America | Minnesota | Hennepin Co. on dead leaves… | — |
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| Pelvetiopsis limitata (Setch.) N.L.Gardner | J. E. Tilden s.n. | 12 Jul 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Pithophora polymorpha f. subsalsa F.Brand | J. E. Tilden s.n. | 03 Jul 1900 | United States of America | Hawaii | Punaluu, floating in small tufts… | type |
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| Pithophora polymorpha var. hawaiiana F.Brand | J. E. Tilden s.n. | 25 Jul 1900 | United States of America | Hawaii | Kauai, Hanalei, in ditch in… | type |
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| Pithophora roettleri (Roth) Wittr. | J. E. Tilden s.n. | 03 Jul 1900 | United States of America | Hawaii | Punaluu, floating in small tufts… | type |
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| Polysiphonia calothrix Harv. | J. E. Tilden s.n. | 16 Jun 1900 | United States of America | Hawaii | Oahu, Koolauloa, Laie point, under… | — |
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| Prasiola mexicana J.Agardh | T. A. Williams | D. Griffiths s.n. | 20 Aug 1898 | United States of America | Wyoming | near Buffalo, North Fork Clear… | — |
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| Prasiola mexicana J.Agardh | D. Griffiths s.n. | Aug 1901 | United States of America | Oregon | Eastern Oregon, Stein's mountains, attached… | — |
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| Protococcus viridis var. pulcher (Kirchn.) Hansg. | — | — | — | — | — |
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| Protococcus viridis var. pulcher (Kirchn.) Hansg. | J. E. Tilden s.n. | 20 Aug 1901 | United States of America | Minnesota | near Duluth, Fond du Lac,… | — |
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| Pterygophora californica Rupr. | C. MacMillan s.n. | 09 Jul 1901 | Canada | British Columbia | Vancouver Island, Minnesota Seaside Station,… | — |
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| Rhizoclonium hieroglyphicum var. typicum Brand | J. E. Tilden s.n. | 19 Jul 1900 | United States of America | Hawaii | near Hilo, Sekonet, floating in… | type |
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| Rhizoclonium hieroglyphicum var. typicum Brand | J. E. Tilden s.n. | 19 Jul 1900 | United States of America | Hawaii | near Hilo, Sekonet, floating in… | type |
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| Scytonema hawaiiana Tilden | J. E. Tilden s.n. | 04 Jul 1900 | United States of America | Hawaii | Pahala plantation beach, on perpendicular… | type |
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| Scytonema hawaiiana var. terrestris Tilden | J. E. Tilden s.n. | 16 Jun 1900 | United States of America | Hawaii | Oahu, Koolauloa, Laie point, on… | type |
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| Smithora naiadum (C.L.Anderson) Hollenb. | J. E. Tilden s.n. | 01 Aug 1898 | Canada | British Columbia | Vancouver Island, Port Renfrew, Baird… | — |
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| Spirogyra longata var. reversa (Hassall) O.Kirchner | D. Griffiths s.n. | Jun 1898 | United States of America | South Dakota | Brown Co. | — |
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| Spirogyra majuscula Kütz. | G. Lilley s.n. | 21 Sep 1901 | United States of America | Minnesota | Hennepin Co. near University Campus,… | — |
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| Stapfia cylindrica Chodat | C. J. Brand s.n. | Aug 1901 | United States of America | Minnesota | Lake Superior at Grand Marais,… | — |
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| Stapfia cylindrica Chodat | C. J. Brand s.n. | Aug 1901 | United States of America | Minnesota | Lake Superior at Grand Marais,… | — |
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| Staurastrum botrophilum | J. E. Tilden s.n. | 12 Aug 1901 | United States of America | Minnesota | Saint Louis Co. Minnesota point,… | — |
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| Stigeoclonium flagelliferum Kütz. | C. M. Crosby | G. Lilley s.n. | 27 Feb 1902 | United States of America | Minnesota | Hennepin Co. University campus, attached… | — |
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| Stigeoclonium flagelliferum Kütz. | C. M. Crosby | G. Lilley s.n. | 27 Feb 1902 | United States of America | Minnesota | Hennepin Co. University campus, attached… | — |
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| Stigeoclonium tenue (C.Agardh) Kütz. | G. Lilley s.n. | 22 Apr 1901 | United States of America | Minnesota | Hennepin Co. on dead leaves… | — |
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