Displaying 1 - 75 out of 3921 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Bryum apiculatum Schwägr. | R. D. Worthington 35254 | 06 Jul 2008 | Puerto Rico | Adjuntas | Cordillera Central, 2 km S… | — | 1086820 | ||
| Clidemia hirta (L.) D.Don | R. D. Worthington 37538 | 17 Jul 2014 | Puerto Rico | Adjuntas | Cordillera Central 4 air mi.… | — | 02736638 |
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| Meteoridium remotifolium (Müll.Hal.) Manuel | R. D. Worthington 35690 | 04 Aug 2009 | Puerto Rico | Aibonito | Cordillera Central, along Hwy. 7722… | — | 01202257 | ||
| Nephrolepis brownii (Desv.) Hovenkamp & Miyam. | R. D. Worthington 13683 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela (Canton). Along hwy. 9… | — | 4164172 |
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| Equisetum bogotense Kunth | R. D. Worthington 13665 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela (Canton). along hwy. 9… | — | 3845873 |
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| Pityrogramma tartarea (Cav.) Maxon | R. D. Worthington 13682 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela (Canton). along hwy. 9… | — | 3903795 |
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| Alansmia stella (Copel.) Moguel & M.Kessler | R. D. Worthington 13693 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela (Canton). Along hwy. 9… | — | 3982899 |
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| Asclepias curassavica L. | R. D. Worthington 13659 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela (Canton). town of Cariblanco… | — | 4175848 |
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| Erechtites valerianifolius (Link ex Spreng.) DC. | R. D. Worthington 13667 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela canton, along hwy. 9… | — | 367327 |
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| Bidens pilosa var. minor (Blume) Sherff | R. D. Worthington 13668 | 14 Aug 1985 | Costa Rica | Alajuela | Alajuela canton, along hwy. 9… | — | 362610 |
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| Penstemon superbus A.Nelson | R. D. Worthington 13946 | 12 Apr 1986 | United States of America | Arizona | Cochise Co. Peloncillo Mountains, Skeleton… | — | 662066 |
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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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| Astragalus humistratus A.Gray var. humistratus | R. D. Worthington 8627 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 01250225 |
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| Erigeron neomexicanus A.Gray | R. D. Worthington 13366 | 24 Aug 1985 | United States of America | Arizona | Cochise Co. Chiricahua Mountains, along… | — | 2091852 |
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| Polygonum sawatchense Small | R. D. Worthington 8623 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3151817 |
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| Lithospermum cobrense Greene | R. D. Worthington 8620 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3240415 |
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| Gaura hexandra subsp. gracilis (Wooten & Standl.) P.H.Raven & D.P.Greg. | R. D. Worthington 8639 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3318491 |
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| Cymopterus lemmonii (J.M.Coult. & Rose) Dorn | R. D. Worthington 8617 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3456720 |
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| Perideridia parishii (J.M.Coult. & Rose) A.Nelson & J.F.Macbr. subsp. parishii | R. D. Worthington 8700 | 10 Aug 1982 - 11 Aug 1982 | United States of America | Arizona | Greenlee Co. White Mts., Hannigan… | — | 3499257 |
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| Sidalcea neomexicana A.Gray | R. D. Worthington 8618 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3970126 |
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| Goodyera oblongifolia Raf. | R. D. Worthington 8694 | 10 Aug 1982 - 11 Aug 1982 | United States of America | Arizona | Greenlee Co. White Mts., Hannigan… | — | 4093068 |
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| Malaxis ehrenbergii (Rchb.f.) Kuntze | R. D. Worthington 8680 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., mesic… | — | 04102960 |
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| Malaxis soulei L.O.Williams | R. D. Worthington 8663 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., quarry… | — | 4102988 |
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| Agoseris glauca (Pursh) Raf. var. glauca | R. D. Worthington 8646 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mtns.; Luna… | — | 1876412 |
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| Lotus wrightii (A.Gray) Greene | R. D. Worthington 8622 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 2586097 |
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| Vicia americana Muhl. | R. D. Worthington 8614 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 2590583 |
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| Vicia pulchella Kunth | R. D. Worthington 8626 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 2602712 |
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| Aquilegia chrysantha A.Gray | R. D. Worthington 8681 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., mesic… | — | 2741873 |
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| Ranunculus cardiophyllus Hook. | R. D. Worthington 8643 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 2785949 |
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| Gutierrezia wrightii A.Gray | R. D. Worthington 8640 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 2881276 |
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| Townsendia formosa Greene | R. D. Worthington 8671 | 10 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., about… | — | 02922861 |
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| Eriogonum pharnaceoides Torr. | R. D. Worthington 8636 | 09 Aug 1982 | United States of America | Arizona | Apache Co. White Mts., Luna… | — | 3124450 |
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| Solidago sparsiflora A.Gray | R. D. Worthington 13371 | 24 Aug 1985 | United States of America | Arizona | Cochise Co. Chiricahua Mts., along… | — | 2371853 |
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| Juncus ensifolius var. montanus (Engelm.) C.L.Hitchc. | R. D. Worthington 14231 | 06 Jul 1986 | United States of America | Arizona | Cochise Co. Chiricahua Mts., along… | — | 2383750 |
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| Selaginella huehuetenangensis Hieron. | R. D. Worthington 21322 | 11 Aug 1992-12 Aug 1992 | Belize | Belize | Along western hwy. 28-32 mi… | — | 434016 |
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| Pithecellobium keyense Britton | R. D. Worthington 23864 | 31 Dec 1994 - 08 Jan 1995 | Belize | Belize | Cay Corker (=Caye Caulker), sandy… | — | 01204002 |
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| Chamaecrista flexuosa (L.) Greene var. flexuosa | R. D. Worthington 21318 | 11 Aug 1992 - 12 Aug 1992 | Belize | Belize | Along Western Hwy. 28-32 mi.… | — | 01454740 | ||
| Chamaecrista kunthiana (Schltdl. & Cham.) H.S.Irwin & Barneby | R. D. Worthington 23839 | 30 Dec 1994 - 02 Jan 1995 | Belize | Belize | Between mile markers 28.5 and… | — | 01454799 | ||
| Calliandra belizensis (Britton & Rose ex Standl.) Standl. | R. D. Worthington 24059 | 07 Jan 1995 | Belize | Belize | Along the New Northern Hwy,… | — | 01491281 |
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| Chamaecrista diphylla (L.) Greene | R. D. Worthington 23840 | 30 Dec 1994 | Belize | Belize | Between mile markers 28.5 and… | — | 1580016 | ||
| Pithecellobium winzerlingii Britton & Rose | R. D. Worthington 21215 | 09 Aug 1992 | Belize | Belize | Along road from Belize City… | — | 01255444 |
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| Canavalia rosea (Sw.) DC. | R. D. Worthington 24059 | 07 Jan 1995 | Belize | Belize | Along the New Northern Hwy,… | — | 566406 | ||
| Bryum coronatum Schwägr. | R. D. Worthington 23946 | 30 Dec 1994 - 02 Jan 1995 | Belize | Belize | between mile markers 28.5 and… | — | 2081369 |
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| Mimosa albida Humb. & Bonpl. ex Willd. | R. D. Worthington 23838 | 30 Dec 1994 - 02 Jan 1995 | Belize | Belize | Between mile markers 28.5 and… | — | 01452672 |
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| Mimosa somnians Humb. & Bonpl. ex Willd. | R. D. Worthington 23892 | 30 Dec 1994 - 02 Jan 1995 | Belize | Belize | Between mile markers 28.5 and… | — | 01452756 |
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| Sematophyllum galipense (Müll.Hal.) Mitt. | R. D. Worthington 24028 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | HUmmingbird Hwy. at 2 mi… | — | 01861930 | ||
| Sematophyllum subsimplex (Hedw.) Mitt. | R. D. Worthington 24027 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Hwy., at 2 mi… | — | 01862076 |
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| Syrrhopodon incompletus Schwägr. | R. D. Worthington 23995 | 04 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Along the Hummingbird Hwy. about… | — | 2045941 |
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| Dicranella hilariana (Mont.) Mitt. | R. D. Worthington 24031 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Highway, at 2 mi.… | — | 1917644 |
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| Calymperes erosum Müll.Hal. | R. D. Worthington 24032 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Hwy, at 2 mi… | — | 02044920 |
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| Syrrhopodon incompletus Schwägr. | R. D. Worthington 24024 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Hwy. at 2 mi… | — | 2045940 |
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| Octoblepharum albidum Hedw. | R. D. Worthington 24025 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Hwy. at 2 mi… | — | 2044386 |
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| Octoblepharum albidum Hedw. | R. D. Worthington 24026 | 05 Jan 1995 - 06 Jan 1995 | Belize | Cayo | Hummingbird Hwy. at 2 mi… | — | 02044385 |
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| Penstemon ambiguus Torr. | R. D. Worthington 14582 | 07 Aug 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 772365 |
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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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| Verbesina encelioides (Cav.) Benth. & Hook.f. ex A.Gray | R. D. Worthington 14425 | 28 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 433569 | ||
| Acacia constricta Benth. | R. D. Worthington 14588 | 7 Aug 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 552620 | ||
| Zinnia grandiflora Nutt. | R. D. Worthington 14314 | 24 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 369559 | ||
| Dalea lanata var. terminalis (M.E.Jones) Barneby | R. D. Worthington 14387 | 27 Jul 1986 | Mexico | Chihuahua | Along the New Mexico- Chihuahua… | — | 01279442 |
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| Bouteloua aristidoides (Kunth) Griseb. | R. D. Worthington 14394 | 27 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 1630176 |
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| Bouteloua barbata Lag. | R. D. Worthington 14393 | 27 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 1630247 |
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| Bouteloua barbata Lag. | R. D. Worthington 12491 | 26 Aug 1984 | Mexico | Chihuahua | Praxedis G. Guerrero, Sierra San… | — | 1630254 |
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| Muhlenbergia porteri Scribn. ex Beal | R. D. Worthington 14515 | 02 Aug 1986 | Mexico | Chihuahua | Ciudad Juarez, Sierra Juarez, S.… | — | 1760912 |
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| Sporobolus airoides (Torr.) Torr. | R. D. Worthington 14415 | 28 Jul 1986 | Mexico | Chihuahua | Along the New Mexico-Chihuahua border… | — | 1828975 |
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| Rhus microphylla Engelm. | R. D. Worthington 12850 | 31 Mar 1985 | Mexico | Chihuahua | Mpio. Juarez, Sierra Samalayuca, NE… | — | 2555612 |
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| Euphorbia glyptosperma Engelm. | R. D. Worthington 14397 | 27 Jul 1986 | Mexico | Chihuahua | along the New Mexico -… | — | 4020964 |
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| Euphorbia micromera Engelm. | R. D. Worthington 14396 | 27 Jul 1986 | Mexico | Chihuahua | along the New Mexico -… | — | 4021994 |
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| Euphorbia radioloides Boiss. | R. D. Worthington 14419 | 28 Jul 1986 | Mexico | Chihuahua | along the New Mexico -… | — | 4028960 |
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| Zinnia acerosa (DC.) A.Gray | R. D. Worthington 15031 | 7 Sep 1986 | Mexico | Chihuahua | Ascensión Mun. W Potrillo Mountains,… | — | 435035 | ||
| Selaginella lepidophylla (Hook. & Grev.) Spring | R. D. Worthington 12528 | 26 Apr 1984 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 434030 |
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| Porophyllum scoparium A.Gray | R. D. Worthington 12502 | 26 Aug 1984 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 426533 | ||
| Selaginella lepidophylla (Hook. & Grev.) Spring | R. D. Worthington 9739 | 10 Apr 1983 | Mexico | Chihuahua | Praxedis G. Guerrero Mun. Sierra… | — | 434029 |
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| Astragalus nuttallianus var. cedrosensis M.E.Jones | R. D. Worthington 12897 | 31 Mar 1985 | Mexico | Chihuahua | Juárez Mun. Sierra El Presidio,… | — | 01268227 |