Displaying 1 - 75 out of 331 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Abronia mellifera var. marginata (Eastw.) Spellenb. | I. F. Tidestrom 9442 | 13 May 1919 | United States of America | Utah | Newcastle. | — |
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| Acer glabrum var. torreyi (Greene) Smiley | I. F. Tidestrom 10556 | 12 Jul 1919 | United States of America | Nevada | Washoe Co. On slopes in… | — |
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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 | — |
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| Achillea millefolium L. | I. F. Tidestrom 12076 | 20 Jun 1924 | United States of America | Maryland | Roadsides, between Salisbury Md and… | — |
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| Actaea rubra (Aiton) Willd. | I. F. Tidestrom 3770 | 09 Jul 1910 | United States of America | Colorado | Mount Carbon | — |
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| Agoseris x agrestis Osterh. | I. F. Tidestrom 3760 | 11 Jul 1910 | United States of America | Colorado | Along creeks, Mount Carbon. | — |
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| Allenrolfea occidentalis (S.Watson) Kuntze | I. F. Tidestrom 8975 | 15 Apr 1919 | United States of America | Nevada | Clark Co. Vegas Wash near… | — |
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| Allenrolfea occidentalis (S.Watson) Kuntze | I. F. Tidestrom 10781 | 30 Jul 1919 | United States of America | Nevada | Churchill Co. Characteristic plant along… | — |
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| Allium bisceptrum S.Watson var. bisceptrum | I. F. Tidestrom 10172 | 01 Jul 1919 | United States of America | Nevada | Sweetwater Mts., near Sweetwater. | — |
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| Allophyllum gilioides subsp. violaceum (A.Heller) A.G.Day | I. F. Tidestrom 10415 | 08 Jul 1919 | United States of America | Nevada | Carson City (Independent City). Ormsby… | — |
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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. | — |
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| Amelanchier utahensis Koehne | I. F. Tidestrom 9326 | 06 May 1919 | United States of America | Utah | In ravines near Apex Mine,… | — |
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| Amelanchier utahensis Koehne | I. F. Tidestrom 9600 | 25 May 1919 | United States of America | Nevada | Kyle Canon [Canyon], Charleston Mts.;… | — |
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| Anemopsis californica (Nutt.) Hook. & Arn. | I. F. Tidestrom 9246 | 02 May 1919 | United States of America | Utah | St. George | — |
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| Angelica kingii (S.Watson) J.M.Coult. & Rose | I. F. Tidestrom 11103 | 23 Aug 1919 | United States of America | Nevada | White Pine Co. Schell Creek… | — |
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| Anthemis cotula L. | I. F. Tidestrom 11405 | 11 Jul 1923 | United States of America | Maryland | Chesapeake City | — |
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| Apocynum androsaemifolium L. | I. F. Tidestrom 10255 | 05 Jul 1919 | United States of America | Nevada | On slopes mountains west of… | — |
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| Apocynum cannabinum L. | I. F. Tidestrom 9157 | 25 Apr 1919 | United States of America | Nevada | St. Thomas. | — |
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| Aquilegia formosa var. truncata (Fisch. & C.A.Mey.) Baker | I. F. Tidestrom 10176 | 01 Jul 1919 | United States of America | Nevada | Sweetwater Mountains, near Sweetwater | — |
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| Arabis holboellii var. secunda (Howell) Jeps. | I. F. Tidestrom 9638 | 25 May 1919 | United States of America | Nevada | Kyle Cañon, Charleston Mtns. | — |
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| Arabis pendulina Greene | I. F. Tidestrom 9636 | 25 May 1919 | United States of America | Nevada | On slopes, Kyle Cañon [Canyon],… | — |
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| Arabis pulchra M.E.Jones ex S.Watson var. pulchra | I. F. Tidestrom 8905 | 09 Apr 1919 | United States of America | Nevada | On slopes, Goodspring. Covillea belt. | — |
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| Arctomecon californica Torr. & Frém. | I. F. Tidestrom 9578 | 23 May 1929 | United States of America | Nevada | Clark Co. On mesa. [County… | — |
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| Arctomecon californica Torr. & Frém. | I. F. Tidestrom 9050 | 19 Apr 1919 | United States of America | Nevada | Scattered colonies on mesa n.… | — |
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| Arctomecon humilis Coville | I. F. Tidestrom 9296 | 05 May 1919 | United States of America | Utah | Washington Co. On Mesa between… | — |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | I. F. Tidestrom s.n. | 10 May 1919 | United States of America | Utah | Leeds | — |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | I. F. Tidestrom 9535 | 15 May 1919 | United States of America | Nevada | Caliente | — |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | I. F. Tidestrom 10077 | 27 Jun 1919 | United States of America | Nevada | Corey Canyon, Wassuk Mountains | — |
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| Artemisia biennis Willd. | I. F. Tidestrom 4039 | 19 Aug 1910 | United States of America | Colorado | Vicinity of Mount Carbon. | — |
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| Astragalus amphioxys A.Gray var. amphioxys | I. F. Tidestrom 2045 | 09 May 1909 | United States of America | Utah | Green River | — |
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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 | — |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | I. F. Tidestrom 2774 | 16 Aug 1919 | United States of America | Idaho | East Fork, Wood River | — |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | I. F. Tidestrom 10213 | 03 Jul 1919 | United States of America | Nevada | Carson City | — |
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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 | — |
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| Astragalus casei A.Gray | I. F. Tidestrom 9999 | 19 Jun 1919 | United States of America | California | Benton | — |
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| Astragalus cymboides M.E.Jones | I. F. Tidestrom 2044 | 9 May 1909 | United States of America | Utah | Green River | — |
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| Astragalus eurekensis M.E.Jones | I. F. Tidestrom 2083 | 17 May 1909 | United States of America | Utah | East of Ephraim | — |
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| Astragalus eurekensis M.E.Jones | I. F. Tidestrom 2083 | 17 May 1909 | United States of America | Utah | East of Ephraim | — |
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| Astragalus flavus Nutt. | I. F. Tidestrom 2128 | 28 May 1909 | United States of America | Colorado | At Montrose | — |
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| Astragalus flavus Nutt. var. flavus | I. F. Tidestrom 9383 | 9 May 1919 | United States of America | Utah | Washington | — |
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| Astragalus layneae Greene | I. F. Tidestrom 8774 | 1 Apr 1919 | United States of America | Nevada | Draw north of Nelson, El… | — |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | I. F. Tidestrom 9817 | 11 Jun 1919 | United States of America | Nevada | Esmeralda Co. On mesa, Lida | — |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | I. F. Tidestrom 8866 | 08 Apr 1919 | United States of America | Nevada | Clark Co. On mesa, Erie | — |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | I. F. Tidestrom 9655 | 27 May 1919 | United States of America | Nevada | On slopes, base of Charleston… | — |
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| Astragalus lentiginosus var. salinus (Howell) Barneby | I. F. Tidestrom 9444 | 13 May 1919 | United States of America | Utah | Near Modena | — |
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| Astragalus lentiginosus var. scorpionis M.E.Jones | I. F. Tidestrom 10851 | 07 Aug 1919 | United States of America | Nevada | Kingston Cañon, Toiyabe Mountains | — |
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| Astragalus minthorniae var. villosus Barneby | I. F. Tidestrom 9612 | 25 May 1919 | United States of America | Nevada | Clark Co. Kyle Cañon. Charleston… | — |
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| Astragalus mollissimus var. thompsonae (S.Watson) Barneby | I. F. Tidestrom 9417 | 1908 | United States of America | Utah | Cedar City | — |
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| Astragalus nothoxys A.Gray | I. F. Tidestrom 710 | 28 Mar 1908 | United States of America | Arizona | About Nogales | — |
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| Astragalus oophorus var. caulescens (M.E.Jones) M.E.Jones | I. F. Tidestrom 9419 | 11 May 1919 | United States of America | Utah | In cañon, Cedar City | — |
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| Astragalus praelongus var. ellisiae (Rydb.) Barneby | I. F. Tidestrom 1427 | 08 Jul 1908 | United States of America | Utah | Near Emery | — |
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| Astragalus preussii var. laxiflorus A.Gray | I. F. Tidestrom 9144 | 25 Apr 1919 | United States of America | Nevada | Clark Co. In draws, south… | — |
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| Astragalus purshii var. tinctus M.E.Jones | I. F. Tidestrom 9837 | 11 Jun 1919 | United States of America | Nevada | Tule Cañon | — |
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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… | — |
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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 | — |
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| Atriplex argentea Nutt. | I. F. Tidestrom 10779 | 30 Jul 1919 | United States of America | Nevada | Cason [Carson?] Lake | — |
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| Atriplex canescens (Pursh) Nutt. | I. F. Tidestrom 10068 | 26 Jun 1919 | United States of America | Nevada | Hawthorne | — |
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| Atriplex canescens (Pursh) Nutt. | I. F. Tidestrom 9781 | 04 Jun 1919 | United States of America | Nevada | In canyon at base of… | — |
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| Atriplex canescens (Pursh) Nutt. | I. F. Tidestrom 10008 | 19 Jun 1919 | United States of America | Nevada | Queen Station | — |
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| Atriplex canescens (Pursh) Nutt. | I. F. Tidestrom 10656 | 23 Jul 1919 | United States of America | Nevada | Wadsworth | — |
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| Atriplex confertifolia (Torr. & Frém.) S.Watson | I. F. Tidestrom 8679 | 22 Mar 1919 | United States of America | Nevada | Hillsides; Moapa. | — |
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| Atriplex confertifolia (Torr. & Frém.) S.Watson | I. F. Tidestrom 10069 | 26 Jun 1919 | United States of America | Nevada | Hawthorne | — |
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| Atriplex dioica Raf. | I. F. Tidestrom 14334 | 10 Oct 1936 | United States of America | — | Chesapeake Bay Region. Eastern Shore. | — |
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| Atriplex hymenelytra (Torr.) S.Watson | I. F. Tidestrom 8976 | 15 Apr 1919 | United States of America | Nevada | Vegas Wash, near Colorado River. | — |
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| Atriplex lentiformis (Torr.) S.Watson | I. F. Tidestrom 8633 | 21 Mar 1919 | United States of America | Nevada | On the flood plain of… | — |
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| Atriplex rosea L. | I. F. Tidestrom 10145 | 28 Jun 1919 | United States of America | Nevada | Along Walker Lake, near Hawthorne | — |
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| Atriplex rosea L. | I. F. Tidestrom 11173 | 29 Aug 1919 | United States of America | Utah | Near Preuss Lake (Clay's Ranch) | — |
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| Atriplex torreyi (S.Watson) S.Watson var. torreyi | I. F. Tidestrom 10761 | 29 Jul 1919 | United States of America | Nevada | Churchill Co. Fallon | — |
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| Bassia hyssopifolia (Pall.) Kuntze | I. F. Tidestrom 10755 | Jul 1919 | United States of America | Nevada | Fallon near U. S. Experimental… | — |
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| Betula occidentalis Hook. | I. F. Tidestrom 9953 | 15 Jun 1919 | United States of America | California | Along Big Pine Creek; Big… | — |
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| Bolboschoenus maritimus subsp. paludosus (A.Nelson) T.Koyama | I. F. Tidestrom 10728 | 28 Jul 1919 | United States of America | Nevada | Churchill Co. Fallon. | — |
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| Brassica L. | I. F. Tidestrom 8368 | 30 May 1918 | United States of America | District of Columbia | Greater Capit Heights | — |
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| Calocedrus decurrens (Torr.) Florin | I. F. Tidestrom 10358 | 06 Jul 1919 | United States of America | Nevada | Along dreek at Glenbrook, Lake… | — |
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| Calochortus flexuosus S.Watson | I. F. Tidestrom 9313 | 06 May 1919 | United States of America | Utah | On slopes between St. George… | — |
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| Calochortus flexuosus S.Watson | I. F. Tidestrom 9313 | 05 May 1919 | United States of America | Utah | On slopes between St. George… | — |
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