Displaying 1 - 75 out of 191 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Aeschynomene indica L. | J. A. Ewan 20976 | 10 Mar 1962 | United States of America | Louisiana | Saint Tammany Parish. | — |
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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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| 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 14357 | 21 Jun 1942 | United States of America | Colorado | Douglas Co. Perry Park road,… | — |
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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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| Andesanthus lepidotus (Bonpl.) P.J.F.Guim. & Michelang. | J. A. Ewan 15726 | 24 May 1944 - 25 May 1944 | Colombia | Antioquia | "La Paloma" above Sonson. | — |
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| Anticlea elegans (Pursh) Rydb. | J. A. Ewan 13552 | 09 Aug 1941 | United States of America | Colorado | Boulder Co. Above Eagle Lake,… | — |
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| Arabis drummondii A.Gray | J. A. Ewan 13695 | 16 Aug 1941 | United States of America | Colorado | woods near Josephine Mine, Grizzly… | — |
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| Arabis drummondii A.Gray | J. A. Ewan 13803 | 17 Aug 1941 | United States of America | Colorado | Gilpin Co. on lakeshore at… | — |
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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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| Arenaria fendleri A.Gray var. fendleri | J. A. Ewan 13432 | 03 Aug 1941 | United States of America | Colorado | Teller Co. Rampart Range Road,… | — |
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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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| Arnica fulgens Pursh | J. A. Ewan 12867 | 02 Jun 1941 | United States of America | Colorado | Douglas Co. Cherry Creek, between… | — |
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| Arnica fulgens Pursh | J. A. Ewan 14318 | 21 Jun 1942 | United States of America | Colorado | Douglas Co. Spruce rr. sta.,… | — |
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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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| Artemisia frigida Willd. | J. A. Ewan 896 | 12 Sep 1938 | United States of America | Colorado | Boulder Co. At mesa at… | — |
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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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| 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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| Astragalus drummondii Douglas ex Hook. | J. A. Ewan 12813 | 01 Jun 1941 | United States of America | Colorado | Kit Carson Co. Head of… | — |
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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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| Atriplex gardneri (Moq.) D.Dietr. | J. A. Ewan 14180 | 12 Jun 1942 | United States of America | Colorado | Pueblo Co. hills 3 miles… | — |
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| Bejaria aestuans Mutis ex L. | J. A. Ewan 16942 | 09 Mar 1945 | Venezuela | Mérida | Sierra Nevada de Merida, along… | — |
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| Bellucia pentamera Naudin | J. A. Ewan 16753 | 12 Jan 1945 | Colombia | Putumayo | Uplands of Rio Putumayo about… | — |
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| Blakea rosea (Ruiz & Pav.) D.Don | J. A. Ewan 16765 | 14 Jan 1945 | Colombia | Putumayo | Oreto, Indian pueblo, on Rio… | — |
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| Blakea subconnata O.Berg ex Triana | J. A. Ewan 16813 | 31 Jan 1945 | Colombia | Nariño | Quebrada Ensillada near Altiquer, Rio… | — |
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| Brachyotum cernuum (Bonpl.) Triana | J. A. Ewan 16332 | 18 Oct 1944 | Colombia | Nariño | Volcán Galeras 9n.. slope) above… | — |
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| Brachyotum ledifolium (Desr.) Triana | J. A. Ewan 16385 | 05 Nov 1944 | Ecuador | Pichincha | East slope of Pichincha, above… | — |
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| Brachyotum lindenii Cogn. | J. A. Ewan 16330 | 18 Oct 1944 | Colombia | Nariño | Volcán de Galeras (N slope)… | — |
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| Brahea edulis H.Wendl. ex S.Watson | J. A. Ewan 22361 | 06 May 1974 | United States of America | Louisiana | Tulane Univ. Campus. | — |
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| Bucquetia glutinosa (L.f.) DC. | J. A. Ewan 15646 | 7 May 1944 | Colombia | Boyacá | Páramo between Duitama and Charalá,… | — |
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| Campanula uniflora L. | J. A. Ewan 14676 | 09 Sep 1942 | United States of America | Colorado | Summit Co. 2 miles south… | — |
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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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| Carpinus caroliniana Walter | J. A. Ewan 21300 | 27 Apr 1963 | United States of America | Texas | Sabine Co. Pendleton Crossing | — |
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| Cascabela thevetia (L.) Lippold | J. A. Ewan 23023 | Sep 1964 | United States of America | Louisiana | Orleans Parish. prelate's garden at… | — |
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| Cavendishia bracteata (Ruiz & Pav. ex J.St.-Hil.) Hoerold | J. A. Ewan 16477 | 12 Nov 1944 | Ecuador | Pichincha | On steep canyonside. Quebrada above… | — |
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| Cavendishia bracteata (Ruiz & Pav. ex J.St.-Hil.) Hoerold | J. A. Ewan 16623 | 16 Dec 1944 | Colombia | Nariño | S side of Volcán Dona… | — |
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| Cavendishia tarapotana var. gilgiana (Hoerold) Luteyn | J. A. Ewan 16046 | 03 Sep 1944 | Colombia | Nariño | Río San Juan near junction… | — |
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| Chamaecyparis thyoides (L.) Britton, Sterns & Poggenb. | J. A. Ewan 22221 | 23 Dec 1973 | United States of America | Alabama | Baldwin Co. East shore 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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| Chamaerhodos erecta (L.) Bunge | J. A. Ewan 14737 | 10 Sep 1942 | United States of America | Colorado | Park Co. Gravelly soil beneath… | — |
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| Chrysothamnus viscidiflorus (Hook.) Nutt. subsp. viscidiflorus | J. A. Ewan 13896 | 11 Sep 1941 | United States of America | Colorado | Jackson Co. Margins of fields,… | — |
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| Clidemia capitellata (Bonpl.) D.Don | J. A. Ewan 15978 | 26 Aug 1944 | Colombia | Valle del Cauca | Río Cali in vic. of… | — |
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| Clidemia hirta (L.) D.Don | J. A. Ewan 15979 | 26 Aug 1944 | Colombia | Valle del Cauca | Santiago de Cali Mun. Río… | — |
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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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| Commelina obliqua Vahl | J. A. Ewan 15869 | 06 Jul 1944 | Colombia | Cauca | 4 kilom. n. of Popayán,… | — | ||||
| Conostegia attenuata Triana | J. A. Ewan 16858 | 04 Feb 1945 | Colombia | Nariño | Quebrada La Toma, Rio Telembi,… | — |
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| Conostegia dentata Triana | J. A. Ewan 16877 | 05 Feb 1945 | Colombia | Nariño | Quebrada Mongon at Camp Mongon,… | — |
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| Conyza canadensis (L.) Cronquist var. canadensis | J. A. Ewan 15461 | 06 Sep 1943 | United States of America | Colorado | Fremont Co. Hayden Creek. N… | — |
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| Costus cupreifolius Maas | J. A. Ewan 16748 | 11 Jan 1945 | Colombia | Putumayo | Near San Diego de Colorado,… | isotype |
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| Crataegus brachyacantha Sarg. & Engelm. | J. A. Ewan 21307 | 27 Apr 1963 | United States of America | Texas | Sabine Co. Pendleton Crossing, Sabine… | — |
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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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| Cryptantha thyrsiflora (Greene) Payson | J. A. Ewan 13136 | 17 Jun 1941 | United States of America | New Mexico | Colfax Co. Mesa between Raton… | — |
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| Cymopterus fendleri A.Gray | J. A. Ewan 13145 | 17 Jun 1941 | United States of America | New Mexico | Colfax Co. between Raton and… | — |
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| Cyperus andreanus Maury | J. A. Ewan 16338 | 24 Oct 1944-26 Oct 1944 | Colombia | Putumayo | Comisaria of Putumayo. 7 kilom.… | — | ||||
| Dyssodia papposa (Vent.) Hitchc. | J. A. Ewan 15213 | 13 Aug 1943 | United States of America | Colorado | El Paso Co. Plains Gardens… | — |
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| Dyssodia papposa (Vent.) Hitchc. | J. A. Ewan 15474 | 06 Sep 1943 | United States of America | Colorado | Fremont Co. Along the edge… | — |
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| Epilobium hornemannii Rchb. | J. A. Ewan 14443 | 01 Aug 1942 | United States of America | Colorado | Clear Creek Co. Colony in… | — |
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| Eremogone hookeri (Nutt.) W.A.Weber var. hookeri | J. A. Ewan 12817 | 01 Jun 1941 | United States of America | Colorado | Kit Carson Co. Head of… | — |
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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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| Erigeron strigosus var. beyrichii (Fisch. & C.A.Mey.) A.Gray | J. A. Ewan 18681 | 22 May 1956 | United States of America | Louisiana | Washington Parish. 6 mi. e.… | — |
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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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| Erythroxylum novogranatense (D.Morris) Hieron. | J. A. Ewan 16799 | 20 Jan 1945 | Colombia | Putumayo | Cordillera Orientál (e. slope). Finca… | — | ||||
| Euphorbia garberi Engelm. ex Chapm. | J. A. Ewan 22250 | 22 Sep 1974 | United States of America | Louisiana | Orleans Parish. in hard ground… | — |
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| Euphorbia humistrata Engelm. | J. A. Ewan 18798A | 26 Aug 1956 | United States of America | Louisiana | Orleans Parish. Levee along Miss.… | — |
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| Euphorbia maculata L. | J. A. Ewan 22243 | 22 Sep 1974 | United States of America | Louisiana | Orleans Parish. in beaten ground… | — |
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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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| Fatoua villosa (Thunb.) Nakai | J. A. Ewan 23057 | 22 Oct 1973 | United States of America | Louisiana | — |
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| Fatsia | J. A. Ewan s.n. | 05 Feb 1973 | United States of America | Louisiana | Plaquemines Parish. Mary Plantation, Eric… | — |
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| Fissidens grandifrons Brid. | J. A. Ewan 2936 | — | United States of America | California | Near Pasadena | — | ||||
| Fomes fasciatus (Sw.:Fr.) Cooke | J. A. Ewan 255 | 23 Apr 1957 | United States of America | Louisiana | Saint John The Baptist Parish. | — | ||||
| Fraxinus caroliniana Mill. | J. A. Ewan s.n. | 18 Apr 1971 | United States of America | Mississippi | Pearl River Co. N of… | — |
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| Froelichia gracilis (Hook.) Moq. | J. A. Ewan 14399 | 18 Jul 1942 | United States of America | Colorado | Boulder Co. waste places | — |
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| Ganoderma lucidum (Curtis:Fr.) P.Karst. | J. A. Ewan 251 | 24 Apr 1957 | United States of America | Louisiana | Orleans Parish. | — |