Displaying 1 - 50 out of 331 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Fucus furcatus Esper | I. F. Tidestrom s.n. | Apr 1893 | United States of America | California | Bay of San Francisco, Sheep… | — | 02241896 |
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| Fucus nitens N.L.Gardner | I. F. Tidestrom s.n. | Apr 1893 | United States of America | California | Bay of San Francisco, Sheep… | — | 02242039 |
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| Erigeron glaucus Ker Gawl. | I. F. Tidestrom | 23 May 1895 | United States of America | California | San Francisco Co. Presidio San… | — | 2090010 |
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| Marchantia polymorpha L. | I. F. Tidestrom | July-August 1896 | United States of America | New York | Jefferson Co. | — | 264080 | ||
| Polytrichum juniperinum Hedw. | I. F. Tidestrom | 20 Jun 1907 | United States of America | Maryland | Mt. Calvert | — | 456117 | ||
| Viola praemorsa subsp. major (Hook.) M.S.Baker & J.C.Clausen ex M.Peck | I. F. Tidestrom 202 | 14 Aug 1907 | United States of America | Utah | Sanpete Co. Wasatch Mountains, east… | — | 224277 |
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| Acer grandidentatum Nutt. ex Torr. & A.Gray | I. F. Tidestrom 342 | 27 Aug 1907 | United States of America | Utah | Ephraim Cañon, Wasatch Mountains | — | 1002731 |
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| Penstemon scariosus Pennell var. scariosus | I. F. Tidestrom 568 | 12 Sep 1907 | United States of America | Utah | Utah Co. Muddy Creek Region,… | photo of type | 651680 | ||
| Astragalus nothoxys A.Gray | I. F. Tidestrom 710 | 28 Mar 1908 | United States of America | Arizona | About Nogales | — | 01266509 |
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| Yucca utahensis McKelvey | I. F. Tidestrom 9378 | 08 May 1908 | United States of America | Utah | On slopes: St. George. | — | 3574886 |
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| Astragalus utahensis (Torr.) Torr. & A.Gray | I. F. Tidestrom 1077 | 08 Jun 1908 | United States of America | Utah | Utah Co. On slopes at… | — | 696235 |
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| Penstemon perpulcher A.Nelson | I. F. Tidestrom 1296 | 24 Jun 1908 | United States of America | Utah | "XL" Canyon, San Pitch Mountains,… | Image of Type | 1477382 | ||
| Schoenocrambe linifolia (Nutt.) Greene | I. F. Tidestrom 1421 | 08 Jul 1908 | United States of America | Utah | Wasatch Mountains, Common along Link… | — | 188980 |
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| Astragalus praelongus var. ellisiae (Rydb.) Barneby | I. F. Tidestrom 1427 | 08 Jul 1908 | United States of America | Utah | Near Emery | — | 678069 |
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| Lupinus floribundus Greene | I. F. Tidestrom 1410 | 08 Jul 1908 | United States of America | Utah | In places on plateau NW… | — | 02598035 |
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| Potentilla hippiana Lehm. | I. F. Tidestrom 1614 | 27 Jul 1908 | United States of America | Colorado | Blue Mesa west of Dayton | — | 2838995 |
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| Juncus torreyi Coville | I. F. Tidestrom 11169 | 29 Aug 1908 | United States of America | Utah | Near Preuss Lake | — | 01805540 |
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| Astragalus mollissimus var. thompsonae (S.Watson) Barneby | I. F. Tidestrom 9417 | 1908 | United States of America | Utah | Cedar City | — | 676801 |
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| Mimosa grahamii A.Gray var. grahamii | I. F. Tidestrom 863 | 1908 | United States of America | Arizona | Near Nogales | — | 01453139 |
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| Astragalus amphioxys A.Gray var. amphioxys | I. F. Tidestrom 2045 | 09 May 1909 | United States of America | Utah | Green River | — | 791079 |
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| Astragalus cymboides M.E.Jones | I. F. Tidestrom 2044 | 9 May 1909 | United States of America | Utah | Green River | — | 812050 |
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| Astragalus eurekensis M.E.Jones | I. F. Tidestrom 2083 | 17 May 1909 | United States of America | Utah | East of Ephraim | — | 812904 |
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| Astragalus eurekensis M.E.Jones | I. F. Tidestrom 2083 | 17 May 1909 | United States of America | Utah | East of Ephraim | — | 812905 |
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| Astragalus utahensis (Torr.) Torr. & A.Gray | I. F. Tidestrom 2108 | 24 May 1909 | United States of America | Utah | Sanpete Co. East of Ephraim | — | 696338 |
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| Crataegus douglasii var. rivularis (Nutt.) Sarg. | I. F. Tidestrom 2113 | 25 May 1909 | United States of America | Utah | East of Ephraim | — | 849198 |
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| Astragalus bisulcatus var. haydenianus (A.Gray) Barneby | I. F. Tidestrom 2129 | 28 May 1909 | United States of America | Colorado | At Montrose | — | 01244873 |
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| Astragalus flavus Nutt. | I. F. Tidestrom 2128 | 28 May 1909 | United States of America | Colorado | At Montrose | — | 01249243 |
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| Psilostrophe sparsiflora (A.Gray) A.Nelson | I. F. Tidestrom 2292 | 25 Jun 1909 | United States of America | Utah | Occasional in cañon [canyon], near… | — | 3112378 |
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| Peteria thompsoniae S.Watson | I. F. Tidestrom 2409 | 07 Jul 1909 | United States of America | Utah | Near the Cliffs: Kanab | — | 702132 |
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| Lesquerella occidentalis (S.Watson) S.Watson subsp. occidentalis | I. F. Tidestrom 2728 | 07 Aug 1909 | United States of America | Idaho | Divide between Warm Spring and… | — | 3187186 |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | I. F. Tidestrom 2797 | 19 Aug 1909 | United States of America | Idaho | Blaine Co. Ketchum | — | 01247323 |
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| Holodiscus microphyllus Rydb. var. microphyllus | I. F. Tidestrom 2892 | 02 Sep 1909 | United States of America | Utah | Oak Region, Beaver Cañon. | — | 02586431 |
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| Oxytropis oreophila A.Gray var. oreophila | I. F. Tidestrom 2934 | 04 Sep 1909 | United States of America | Utah | East of Mt. Delano | — | 703434 |
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| Picea engelmannii Parry ex Engelm. | I. F. Tidestrom 3495 | 08 Jun 1910 | United States of America | Colorado | At Mt. Carbon | — | 30102 |
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| Actaea rubra (Aiton) Willd. | I. F. Tidestrom 3770 | 09 Jul 1910 | United States of America | Colorado | Mount Carbon | — | 2728185 |
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| Leptobryum pyriforme (Hedw.) Wilson | I. F. Tidestrom 3735 | 11 Jul 1910 | United States of America | Colorado | Mount Carbon | — | 377698 | ||
| Agoseris x agrestis Osterh. | I. F. Tidestrom 3760 | 11 Jul 1910 | United States of America | Colorado | Along creeks, Mount Carbon. | — | 1867123 |
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| Philonotis fontana (Hedw.) Brid. var. fontana | I. F. Tidestrom 3807 | 14 Jul 1910 | United States of America | Colorado | Jefferson Co. Keblar Pass [?].… | — | 438843 | ||
| Philonotis fontana (Hedw.) Brid. var. fontana | I. F. Tidestrom 3807 | 14 Jul 1910 | United States of America | Colorado | Keblar Pass | — | 439026 | ||
| Polemonium pulcherrimum var. delicatum (Rydb.) Cronquist | I. F. Tidestrom 3819 | 14 Jul 1910 | United States of America | Colorado | Gunnison Co. Mountain Meadow east… | — | 3357595 |
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| Pogonatum urnigerum (Hedw.) P.Beauv. | I. F. Tidestrom 3834 | 15 Jul 1910 | United States of America | Colorado | East of Keblar Pass | — | 393040 | ||
| Polytrichum juniperinum Hedw. | I. F. Tidestrom 3888 | 18 Jul 1910 | United States of America | Colorado | Mount Carbon | — | 456296 | ||
| Erigeron peregrinus subsp. callianthemus var. scaposus (Torr. & A.Gray) Cronquist | I. F. Tidestrom 3967 | 06 Aug 1910 | United States of America | Colorado | Vicinity of Mount Carbon. Mt.… | — | 2092661 |
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| Artemisia biennis Willd. | I. F. Tidestrom 4039 | 19 Aug 1910 | United States of America | Colorado | Vicinity of Mount Carbon. | — | 1892406 |
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| Chrysothamnus nauseosus subsp. graveolens (Nutt.) Piper | I. F. Tidestrom 4168 | 10 Sep 1910 | United States of America | Colorado | Summit Co. Blue River (N… | — | 2038857 |
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| Alnus serrulata (Aiton) Willd. | I. F. Tidestrom 438 | 26 Oct 1910 | United States of America | District of Columbia | Terra Cotta, D.C. | — | 2472899 |
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| Quercus stellata Wangenh. | I. F. Tidestrom 4342 | 26 Oct 1910 | United States of America | District of Columbia | Terra Cotta [station]. | — | 1464205 |
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| Lycopodium clavatum L. | I. F. Tidestrom 6582 | 22 Jul 1913 | United States of America | Pennsylvania | Monroe Co. Pocono Summit | — | 3329568 |
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| Dennstaedtia punctilobula (Michx.) T.Moore | I. F. Tidestrom 6578 | 22 Jul 1913 | United States of America | Pennsylvania | Pocono Summit | — | 3793435 |
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| Symphyotrichum undulatum (L.) G.L.Nesom | I. F. Tidestrom 7923 | 08 Sep 1916 | United States of America | Delaware | Near St. George, Del. | — | 1825749 |
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