Displaying 2051 - 2075 out of 2137 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Sedum rosea subsp. integrifolium (Raf.) Hultén | R. T. Clausen 621063 | 06 Jul 1942 | United States of America | Colorado | Under large boulder on western… | — |
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| Viburnum cassinoides L. | R. T. Clausen 5523 | 17 Aug 1941 | United States of America | New York | Fulton Co. in open woods… | — |
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| Viburnum opulus L. | R. T. Clausen 6254 | 19 Mar 1944 | United States of America | New York | Tompkins Co. 4 km. southeast… | — |
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| Sambucus racemosa var. melanocarpa (A.Gray) McMinn | R. T. Clausen 6544 | 22 Apr 1945 | United States of America | New York | Tompkins Co. Along Lick Brook… | — |
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| Geum canadense Jacq. x G. aleppicum Jacq. | R. T. Clausen 5881 | 26 Jul 1942 | United States of America | New York | Tioga Co. edge of field… | — |
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| Vaccinium angustifolium Aiton | R. T. Clausen 5924 | 31 Aug 1942 | United States of America | Vermont | Orleans Co. Summit of Jay… | — |
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| Myriopteris myriophylla (Desv.) J.Sm. | R. T. Clausen s.n. | 15 Sep 1955 | Mexico | Morelos | northern bank of railroad just… | — |
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| Myriopteris myriophylla (Desv.) J.Sm. | R. T. Clausen s.n. | 25 Nov 1955 | Mexico | Ciudad de México | on lava 5 m. east… | — |
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| Vaccinium pallidum Aiton | R. T. Clausen Coll. No.237Plant No. 3 | Jul 6 1955 | United States of America | Pennsylvania | Somerset Co. Conemaugh-Jenner Plateau. Moderately… | — |
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| Mimosa biuncifera Benth. | R. T. Clausen s.n. | 23 Aug 1955 | Mexico | Tlaxcala | Apetatitlán de Antonio Carvajal Mun.… | — |
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| Mimosa skinneri var. skinneri | R. T. Clausen 6105 | 9 Sep 1943 | Mexico | Chiapas | San Fernando Mun. West of… | — |
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| Solanum elaeagnifolium Cav. | R. T. Clausen 4597 | 09 Jun 1940 | United States of America | Oklahoma | Beckham Co. Red River Basin.… | — |
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| Mimosa albida Humb. & Bonpl. ex Willd. | R. T. Clausen 6028 | 21 Aug 1943 | Mexico | Morelos | Cuernavaca Mun. Along road 12… | — |
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| Mimosa albida Humb. & Bonpl. ex Willd. | R. T. Clausen 6135 | 16 Sep 1943 | Guatemala | Guatemala | Roadside near Finca El Ingenio,… | — |
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| Mimosa zygophylla Benth. | R. T. Clausen 7608 | 23 Apr 1949 | Mexico | Coahuila | 6.4 km N of Chorro… | — |
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| Mimosa texana (A.Gray) Small var. texana | R. T. Clausen 7586 | 18 Apr 1949 | Mexico | Coahuila | In limestone gravel in largest… | — |
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| Mimosa zygophylla Benth. | R. T. Clausen 7613 | 25 Apr 1949 | Mexico | Coahuila | Hill NW of Saltillo | — |
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| Senna pallida (Vahl) H.S.Irwin & Barneby var. pallida | R. T. Clausen 6188 | 01 Oct 1943 | Guatemala | Zacapa | Roadside near Jampu, east of… | — |
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| Senna pallida (Vahl) H.S.Irwin & Barneby var. pallida | R. T. Clausen 6189 | 01 Oct 1943 | Guatemala | Zacapa | Roadside between Santa Rosalia and… | — |
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| Senna uniflora (Mill.) H.S.Irwin & Barneby | R. T. Clausen 6037 | 21 Aug 1943 | Mexico | Morelos | Roadside at El Rodeo, 12… | — |
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| Senna argentea (Kunth) H.S.Irwin & Barneby | R. T. Clausen 6045 | 21 Aug 1943 | Mexico | Morelos | Xochitepec Mun. Alpuyeca, Mor. | — |
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| Senna atomaria (L.) H.S.Irwin & Barneby | R. T. Clausen 7427 | 2 Mar 1949 | Mexico | San Luis Potosí | 40 km N of Valles | — |
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| Ophioglossum reticulatum L. | R. T. Clausen 6216 | 15 Oct 1943 | Mexico | Veracruz | Orizaba Mun. Along trail half… | — |
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| Myriopteris lanosa (Michx.) Grusz & Windham | R. T. Clausen 5716 | 31 Mar 1942 | United States of America | Alabama | Bibb Co. East bank of… | — |
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| Pellaea atropurpurea (L.) Link | R. T. Clausen 5707 | 31 Mar 1942 | United States of America | Alabama | Bibb Co. East bank of… | — |
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