Displaying 26 - 50 out of 3921 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Mannia pilosa (Hornem.) Frye & L.Clark | R. D. Worthington 6927 | 11 Apr 1981 | United States of America | New Mexico | Doña Ana Co. Organ Mts.,… | — | 268807 | ||
| Lindbergia brachyptera (Mitt.) Kindb. | R. D. Worthington 30314 | 01 Oct 2000 | United States of America | New Mexico | Eddy Co. Guadalupe Mts., N… | — | 646762 | ||
| Eragrostis unioloides (Retz.) Nees ex Steud. | R. D. Worthington 9369 | 07 Jan 1983-08 Jan 1983 | Mexico | Sinaloa | Sierra Madre Occidental, 6.0 rd.… | — | 630719 |
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| Penstemon dasyphyllus A.Gray | R. D. Worthington 10429 | 17 May 1983 | United States of America | Arizona | Cochise Co. Chiricahua Mountains, Tex… | — | 590077 |
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| Lithospermum worthingtonii B.L.Turner | R. D. Worthington 89004 | 19 Aug 1982 | Mexico | Durango | Sierra Madre Occidental, 5.1 road… | isotype | 335540 |
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| Convolvulus arvensis L. | R. D. Worthington 13246 | 09 Jun 1985 | United States of America | New Mexico | Sierra Co. Black Range, Emory… | — | 643031 |
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| Homomallium mexicanum Cardot | R. D. Worthington 25423 | 02 Mar 1996 | United States of America | Texas | Jeff Davis Co. Davis Mts.,… | — | 610507 | ||
| Tribulus terrestris L. | R. D. Worthington 12366 | 21 Aug 1984 | United States of America | Texas | Hudspeth Co. 10.1 mi. E… | — | 643459 |
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| Penstemon fendleri Torr. & A.Gray | R. D. Worthington s.n. | 23 May 1984 | United States of America | Texas | Brewster Co. Marathon, roadside of… | — | 593708 |
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| Myrcia fallax (Rich.) DC. | R. D. Worthington 18148 | 17 Jul 1989 | Trinidad and Tobago | Tobago | St. Paul Parish, about 3… | — | 616092 | ||
| Penstemon laxiflorus Pennell | R. D. Worthington 18409 | 31 Mar 1990 | United States of America | Texas | Fayette Co. Roadside park along… | — | 605029 |
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| Penstemon baccharifolius Hook. | R. D. Worthington 12052 | 03 Jun 1984 | United States of America | Texas | Terrell Co. 9.2 road miles… | — | 572485 |
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| Penstemon havardii A.Gray | R. D. Worthington 9724 | 10 Apr 1983 | Mexico | Chihuahua | Mpio. Praxedis G. Guerrero, Sierra… | — | 773082 |
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| Penstemon havardii A.Gray | R. D. Worthington 9724 | 10 Apr 1983 | Mexico | Chihuahua | Mpio. Praxedis G. Guerrero, Sierra… | — | 773081 |
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| Dyssodia acerosa DC. | R. D. Worthington 14556 | 2 Aug 1986 | Mexico | Chihuahua | Juárez Mun. Sierra Juárez, S… | — | 367203 |
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| Penstemon alamosensis Pennell & G.T.Nisbet | R. D. Worthington 8063 | 04 Apr 1982 | United States of America | Texas | El Paso Co. Hueco Mountains,… | — | 541481 |
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| Russelia worthingtonii B.L.Turner | R. D. Worthington 9367 | 07 Jan 1983 | Mexico | Sinaloa | Sierra Madre Occidental, 4.9 rd.… | isotype | 130621 |
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| Zygophyllum fabago L. | R. D. Worthington 13167 | 19 May 1985 | United States of America | New Mexico | Doña Ana Co. 1 air… | — | 643392 |
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| Penstemon whippleanus A.Gray | R. D. Worthington 12294 | 07 Aug 1984 | United States of America | New Mexico | Lincoln Co. White (=Sacramento) Mountains,… | — | 771856 |
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| Cirsium pallidum Wooton & Standl. | R. D. Worthington 12309 | 07 Aug 1984 | United States of America | New Mexico | Lincoln Co. White (=Sacramento) Mountains,… | — | 30938 |
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| Encalypta vulgaris Hedw. | R. D. Worthington 25639 | 20 Jan 1996 | United States of America | Texas | El Paso Co. Franklin Mts.,… | — | 646761 | ||
| Elaeagnus angustifolia L. | R. D. Worthington 17983 | 04 Jul 1989 | United States of America | New Mexico | Doña Ana Co. Along the… | — | 786025 |
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| Tamarix ramosissima Ledeb. | R. D. Worthington 12380 | 21 Aug 1984 | United States of America | Texas | Hudspeth Co. 10.1 mi. E… | — | 643354 |
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| Tamarix ramosissima Ledeb. | R. D. Worthington 17182 | 03 Sep 1988 | United States of America | Texas | El Paso Co. Three Sisters… | — | 643381 |
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| Tamarix ramosissima Ledeb. | R. D. Worthington 14131 | 25 May 1986 | United States of America | Texas | El Paso Co. Along the… | — | 643362 |
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