Displaying 1 - 50 out of 191 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Pinus flexilis E.James | J. A. Ewan 2171 | 01 Sep 1930 | United States of America | California | Riverside Co. Trail to summit… | — |
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| Lewinskya rupestris (Schleich. ex Schwägr.) F.Lara, Garilleti & Goffinet | J. A. Ewan | 10 Oct 1930 | United States of America | California | Sluvtevant's Trail, Big Santa Anita… | — | ||||
| Spiranthes romanzoffiana Cham. | J. A. Ewan 4829 | 05 Aug 1931 | United States of America | California | San Bernardino Co. Near lower… | — |
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| Astragalus lentiginosus var. borreganus M.E.Jones | J. A. Ewan 7142 | 13 Apr 1932 | United States of America | California | Imperial Co. Eastern edge of… | — |
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| Solanum elaeagnifolium Cav. | J. A. Ewan 680 | 25 Aug 1932 - 08 Sep 1932 | United States of America | California | Los Angeles Co. Over about… | — |
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| Myriopteris parryi (D.C. Eaton) Grusz & Windham | J. A. Ewan 10844 | 19 Feb 1933 - 20 Feb 1933 | United States of America | California | Riverside Co. Southwest side Pinto… | — |
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| Salix hindsiana Benth. | J. A. Ewan 7635 | 15 Mar 1933 | United States of America | California | Los Angeles Co. Area 1… | — |
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| Rumex conglomeratus Murray | J. A. Ewan 10809 | 29 Jun 1933 | United States of America | California | Los Angeles Co. Along Ballona… | — |
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| Penstemon speciosus Douglas | J. A. Ewan 7766 | 16 Jul 1933 | United States of America | California | Kern Co. Mt. Pinos | — |
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| Salix eastwoodiae Cockerell ex A.Heller | J. A. Ewan 8503 | 16 Jul 1934 | United States of America | California | Plumas Co. Sierra Nevada. Mt.… | — |
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| Quercus x grandidentata Ewan | J. A. Ewan 8487 | 27 Dec 1934 | United States of America | California | Los Angeles Co. 2 mi.… | isotype |
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| Quercus x grandidentata Ewan | J. A. Ewan 8487 | 27 Dec 1934 | United States of America | California | Los Angeles Co. 2 mi.… | isotype |
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| Quercus x grandidentata Ewan | J. A. Ewan 8487 | 27 Dec 1934 | United States of America | California | Los Angeles Co. 2 mi.… | isotype |
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| Erysimum capitatum subsp. angustatum (Greene) R.A.Price | J. A. Ewan 9142 | 10 Mar 1935 | United States of America | California | Contra Costa Co. Behind bluffs… | — |
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| Erigeron miser A.Gray | J. A. Ewan 9735 | 05 Jul 1936 | United States of America | California | Contra Costa Co. Wildcat Creek;… | — |
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| Herpotrichia nigra Hartig | J. A. Ewan 9781 | 19 Jul 1936 | United States of America | California | San Gabriel Mountains, Pine Mountain,… | — | ||||
| Pentagramma triangularis (Kaulf.) Yatsk., Windham & E.Wollenw. subsp. triangularis | J. A. Ewan 10181 | 14 Mar 1937 | United States of America | California | Marin Co. On San Yetonemi… | — |
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| Penstemon procerus var. tolmiei (Hook.) Cronquist | J. A. Ewan 10590 | 17 Jul 1937 | United States of America | Washington | Lewis Co. Saddle just south… | — |
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| Penstemon richardsonii var. dentatus (D.D.Keck) Cronquist | J. A. Ewan 10669 | 24 Jul 1937 | United States of America | Oregon | Deschutes Co. Deschutes River at… | — |
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| Onosmodium molle var. occidentale (Mack.) I.M.Johnst. | J. A. Ewan 11098 | 19 Sep 1937 | United States of America | Colorado | Boulder Co. Gregory Canyon, above… | — |
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| Argemone polyanthemos (Fedde) G.B.Ownbey | J. A. Ewan 11064 | 19 Sep 1937 | United States of America | Colorado | Boulder Co. Mesa at foot… | — |
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| Senecio spartioides Torr. & A.Gray | J. A. Ewan 1000 | 26 Sep 1937 | United States of America | Colorado | Boulder Co. piedmont mesa at… | — |
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| Artemisia dracunculus L. | J. A. Ewan 997 | 03 Oct 1937 | United States of America | Colorado | Boulder Co. Rocky ground of… | — |
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| Paronychia jamesii Torr. & A.Gray | J. A. Ewan 11122 | 17 Oct 1937 | United States of America | Colorado | Boulder Co. 1 mile above… | — |
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| Euphorbia serpyllifolia Pers. | J. A. Ewan 11124 | 19 Oct 1937 | United States of America | Colorado | Boulder Co. About the stones… | — |
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| Monarda pectinata Nutt. | J. A. Ewan 11133 | 13 Mar 1938 | United States of America | Colorado | Boulder Co. White Rocks, E.… | — |
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| Arabis hirsuta (L.) Scop. | J. A. Ewan 11247 | 04 Jul 1938 | United States of America | Colorado | Summit of Green Mt., above… | — |
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| Astragalus adsurgens var. robustior Hook. | J. A. Ewan 11272 | 09 Jul 1938 | United States of America | Colorado | Larimer Co. 2 miles above… | — |
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| Mirabilis multiflora (Torr.) A.Gray | J. A. Ewan 11535 | 22 Aug 1938 | United States of America | Colorado | Chaffee Co. along Arkansas R. | — |
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| Mentzelia multiflora (Nutt.) A.Gray | J. A. Ewan 11536 | 22 Aug 1938 | United States of America | Colorado | Chaffee Co. Along Arkansas River… | — |
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| Artemisia ludoviciana Nutt. subsp. ludoviciana | J. A. Ewan 897 | 08 Sep 1938 | United States of America | Colorado | Boulder Co. On mesa at… | — |
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| Kuhnia eupatorioides var. corymbulosa Torr. & A.Gray | J. A. Ewan s.n. | 09 Sep 1938 | United States of America | Colorado | Boulder Co. mesa at foot… | — |
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| Artemisia frigida Willd. | J. A. Ewan 896 | 12 Sep 1938 | United States of America | Colorado | Boulder Co. At mesa at… | — |
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| Comandra | J. A. Ewan 11932 | 18 May 1939 | United States of America | Colorado | Boulder Co. over the summit… | — |
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| Agrimonia | J. A. Ewan 12079 | 16 Jul 1939 | United States of America | Colorado | Boulder Co. Fern Canyon, N.… | — |
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| Suaeda calceoliformis (Hook.) Moq. | J. A. Ewan 12116 | 21 Oct 1939 | United States of America | Colorado | Boulder Co. about Longmont Reservoir… | — |
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| Potentilla gracilis var. fastigiata (Nutt.) S.Watson | J. A. Ewan 12109 | 21 Oct 1939 | United States of America | Colorado | Larimer Co. on talus slope… | — |
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| Juncus castaneus Sm. | J. A. Ewan 12163 | 25 May 1940 | United States of America | Colorado | Boulder Co. S. slope of… | — |
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| Ribes L. | J. A. Ewan 12171 | 25 May 1940 | United States of America | Colorado | Boulder Co. Fourth of July… | — |
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| Potentilla rivalis Nutt. | J. A. Ewan 12302 | 17 Aug 1940 | United States of America | Colorado | Weld Co. In wet sand… | — |
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| Minuartia rubella (Wahlenb.) Hiern | J. A. Ewan 12526 | 28 Aug 1940 | United States of America | Colorado | Park Co. Ridge east of… | — |
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| Chamaerhodos erecta (L.) Bunge | J. A. Ewan 12602 | 29 Aug 1940 | United States of America | Colorado | Park Co. South Platte River… | — |
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| Saxifraga rhomboidea Greene | J. A. Ewan 12726 | 17 May 1941 | United States of America | Colorado | Boulder Co. Mesa Trail, at… | — |
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| Cryptantha | J. A. Ewan 12741 | 30 May 1941 | United States of America | Colorado | Weld Co. in deep sand… | — |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | J. A. Ewan 12733 | 30 May 1941 | United States of America | Colorado | Weld Co. Painter Ranch at… | — |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | J. A. Ewan 12733 | 30 May 1941 | United States of America | Colorado | Weld Co. Painter Ranch at… | — |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | J. A. Ewan 12733 | 30 May 1941 | United States of America | Colorado | Weld Co. Painter Ranch at… | — |
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| Rorippa curvisiliqua (Hook.) Bessey var. curvisiliqua | J. A. Ewan 12754 | 30 May 1941 | United States of America | Colorado | Weld Co. South Platte River… | — |
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| Carex gravida L.H.Bailey | J. A. Ewan 12783 | 31 May 1941 | United States of America | Colorado | Yuma Co. Arikaree River at… | — |
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| Carex gravida L.H.Bailey | J. A. Ewan 12783 | 31 May 1941 | United States of America | Colorado | Yuma Co. Arikaree River at… | — |
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