Displaying 3876 - 3921 out of 3921 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Ephedra trifurca Torr. ex S.Watson | R. D. Worthington 14733 | 23 Aug 1986 | United States of America | New Mexico | Doña Ana Co. Potrillo Mountains,… | — | 70574 |
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| Chenopodium incanum (S.Watson) A.Heller | R. D. Worthington 17439 | 17 Sep 1988 | United States of America | New Mexico | Doña Ana Co. Bishop Cap,… | — | 990912 |
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| Ephedra trifurca Torr. ex S.Watson | R. D. Worthington 19059 | 14 Apr 1991 | United States of America | New Mexico | Doña Ana Co. [Organ Mountains]… | — | 70590 |
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| Ephedra aspera Engelm. ex S.Watson | R. D. Worthington 19058 | 14 Apr 1991 | United States of America | New Mexico | Doña Ana Co. Bishop Cap,… | — | 70022 |
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| Dalea wrightii A.Gray | R. D. Worthington 20682 | 02 May 1992 | United States of America | New Mexico | Doña Ana Co. Organ Mts.,… | — | 01277943 |
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| Ephedra aspera Engelm. ex S.Watson | R. D. Worthington 21091 | 28 Jun 1992 | United States of America | New Mexico | Doña Ana Co. Organ Mountains,… | — | 70033 |
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| Muhlenbergia arenicola Buckley | R. D. Worthington 15011 | 05 Sep 1986 | United States of America | New Mexico | Doña Ana Co. Franklin Mts.,… | — | 1740368 |
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| Achnatherum eminens (Cav.) Barkworth | R. D. Worthington 17506 | 24 Jul 1988 | United States of America | New Mexico | Doña Ana Co. Bishop Cap,… | — | 1486756 |
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| Eragrostis lehmanniana Nees | R. D. Worthington 17519 | 24 Sep 1988 | United States of America | New Mexico | Doña Ana Co. Bishop Cap,… | — | 1683403 |
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| Juncus tenuis Willd. | R. D. Worthington 21041 | 27 Jun 1992 | United States of America | New Mexico | Doña Ana Co. Organ Mts.,… | — | 2402079 |
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| Solidago canadensis var. scabra Torr. & A.Gray | R. D. Worthington 13437 | 31 Aug 1985 | United States of America | New Mexico | Sierra Co. Black Range, picnic… | — | 2350916 |
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| Penstemon neomexicanus Wooton & Standl. | R. D. Worthington 12215 | 01 Jul 1984 | United States of America | New Mexico | Lincoln Co. White Mountains, Eagle… | — | 605161 |
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| Peganum harmala L. | R. D. Worthington 12418 | 25 Aug 1984 | United States of America | New Mexico | Luna Co. Victorio Mts., 3… | — | 643437 |
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| Penstemon pinifolius Greene | R. D. Worthington 14272 | 25 Jul 1986 | United States of America | New Mexico | Grant Co. Black Range, Gallinas… | — | 630519 |
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| Penstemon pseudospectabilis subsp. connatifolius (A.Nelson) D.D.Keck | R. D. Worthington 14047 | 21 Apr 1986 | United States of America | New Mexico | Hidalgo Co. Peloncillo Mountains, along… | — | 640819 |
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| Ailanthus altissima (Mill.) Swingle | R. D. Worthington 13312 | 30 Jun 1985 | United States of America | New Mexico | Sierra Co. Black Range, picnic… | — | 785387 |
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| Penstemon barbatus (Cav.) Roth var. barbatus | R. D. Worthington 14257 | 12 Jul 1986 | United States of America | New Mexico | Sierra Co. Black Range, Emory… | — | 571349 |
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| Ephedra viridis Coville | R. D. Worthington 20469 | 11 Apr 1992 | United States of America | New Mexico | Luna Co. Tres Hermanas Mountains,… | — | 70562 |
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| Dalea formosa Torr. | R. D. Worthington 19235 | 05 May 1991 | United States of America | New Mexico | Luna Co. Tres Hermanas Mts.,… | — | 01259548 |
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| Dalea nana var. carnescens (Rydb.) Kearney & Peebles | R. D. Worthington 13389 | 25 Aug 1985 | United States of America | New Mexico | Hidalgo Co. Tank Mountain, approx.… | — | 01074460 |
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| Dalea filiformis A.Gray | R. D. Worthington 15096.5 | 20 Sep 1986 | United States of America | New Mexico | Hidalgo Co. Peloncillo Mts. Coronado… | — | 01259479 |
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| Dalea jamesii (Torr.) Torr. & A.Gray | R. D. Worthington 20651 | 26 Apr 1992 | United States of America | New Mexico | Hidalgo Co. Little Hatchet Mts.,… | — | 01269824 |
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| Parthenium confertum A.Gray | R. D. Worthington 12489 | 26 Aug 1984 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 425701 |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. D. Worthington 11305 | 23 Aug 1983 | Mexico | Durango | Santiago Papasquiaro Mun. Santiago Papasquiaro,… | — | 425697 |
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| Machaeranthera tanacetifolia (Kunth) Nees | R. D. Worthington 14413 | 28 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 424740 |
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| Melampodium strigosum Stuessy | R. D. Worthington 11149 | 21 Aug 1983 | Mexico | Durango | Canatlán Mun. 5.1 rd. mi… | — | 368221 |
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| Melampodium leucanthum Torr. & A.Gray | R. D. Worthington 9750 | 10 Apr 1983 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 368202 |
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| Machaeranthera tanacetifolia (Kunth) Nees | R. D. Worthington 11167 | 21 Aug 1983 | Mexico | Durango | Canatlán Mun. 2.1 rd. mi… | — | 368159 |
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| Machaeranthera pinnatifida (Hook.) Shinners | R. D. Worthington 14522 | 2 Aug 1986 | Mexico | Chihuahua | Juárez Mun. Sierra Juárez, S… | — | 368152 |
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| Lygodesmia ramosissima Greenm. | R. D. Worthington 10790 | 5 Jul 1983 | Mexico | Durango | Hidalgo Mun. 5.1 mi by… | — | 368117 |
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| Zexmenia lantanifolia | R. D. Worthington 8433 | 6 Jun 1982 | Mexico | Tamaulipas | Victoria Mun. Sierra Madre Oriental,… | — | 422832 |
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| Zexmenia brevifolia | R. D. Worthington 12519 | 26 Aug 1984 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 422827 |
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| Jaegeria hirta (Lag.) Less. | R. D. Worthington 9372 | 7 Jan 1983-8 Jan 1983 | Mexico | Sinaloa | Concordia Mun. Sierra Madre Occidental,… | — | 422776 |
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| Isocoma veneta (Kunth) Greene | R. D. Worthington 8489 | 6 Jun 1982 | Mexico | San Luis Potosí | Matehuala Mun. 50.6 rd. mi… | — | 422727 |
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| Parthenium incanum Kunth | R. D. Worthington 14521 | 2 Aug 1986 | Mexico | Chihuahua | Juárez Mun. Sierra Juárez, S… | — | 368403 |
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| Pectis angustifolia Torr. var. angustifolia | R. D. Worthington 14423 | 28 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 425798 |
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| Melampodium cinereum DC. | R. D. Worthington 8324 | 2 Jun 1982 | Mexico | Coahuila | 12.7 rd. mi NNE of… | — | 424798 |
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| Perezia nana A.Gray | R. D. Worthington 13107 | 12 May 1985 | United States of America | New Mexico | Otero CO. Jarilla Mts. S… | — | 368435 |
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| Psilostrophe tagetina (Nutt.) Greene | R. D. Worthington 14391 | 27 Jul 1986 | Mexico | Chihuahua | 0.9 W of monument no.… | — | 368625 |
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| Psilostrophe tagetina (Nutt.) Greene | R. D. Worthington 14539 | 2 Aug 1986 | Mexico | Chihuahua | Juárez Mun. Sierra Juárez, S… | — | 368626 |
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| Sanvitalia abertii | R. D. Worthington 14509 | 2 Aug 1986 | Mexico | Chihuahua | Juárez Mun. Sierra de Juárez,… | — | 426736 |
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| Sanvitalia procumbens Lam. | R. D. Worthington 10807 | 5 Jul 1983 | Mexico | Durango | Rodeo Mun. 16.5 mi by… | — | 426776 |
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| Schkuhria pinnata var. virgata (La Llave) Heiser | R. D. Worthington 8867 | 19 Aug 1982 | Mexico | Durango | 2 km W of Otinapa | — | 426901 |
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| Schkuhria schkuhrioides (Link & Otto) Thell. | R. D. Worthington 8949 | 21 Aug 1982 | Mexico | Durango | Along hwy. 45 N of… | — | 426906 |
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| Symblepharis vaginata (Wilson) Wijk & Margad. | R. D. Worthington 34892 | 15 Jul 2007 | United States of America | New Mexico | Otero Co. Sacramento Mts., about… | — | 966450 |
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| Porophyllum scoparium A.Gray | R. D. Worthington 12502 | 26 Aug 1984 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 426533 |
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