Displaying 2951 - 2994 out of 2994 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Guillenia lasiophylla (Hook. & Arn.) Greene | R. C. Rollins 6750 | 09 Apr 1967 | United States of America | California | Inyo Co. South end of… | — |
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| Guillenia lasiophylla (Hook. & Arn.) Greene | R. C. Rollins 6714 | 16 Mar 1967 | United States of America | California | Inyo Co. 2 miles south… | — |
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| Lepidium lasiocarpum var. georginum (Rydb.) C.L.Hitchc. | R. C. Rollins 6741 | 08 Apr 1967 | United States of America | California | Inyo Co. Stony areas, north… | — |
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| Ageratina hernandezii B.L.Turner | R. C. Rollins 5856 | 16 Nov 1958 | Mexico | Nuevo León | San Pedro Garza García Mun.… | — |
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| Parthenium incanum Kunth | R. C. Rollins 7446 | 23 Sep 1974 | Mexico | Coahuila | Torreón Mun. 8 km NE… | — |
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| Parthenium confertum var. lyratum (A.Gray) Rollins | R. C. Rollins 58132 | 18 Nov 1958 | Mexico | Coahuila | 15 mi S of Saltillo | — |
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| Parthenium confertum var. lyratum (A.Gray) Rollins | R. C. Rollins 7486 | 28 Sep 1974 | Mexico | Coahuila | Saltillo Mun. 23 mi W… | — |
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| Parthenium confertum A.Gray | R. C. Rollins 74185 | 16 Oct 1974 | Mexico | Chihuahua | Chihuahua Mun. 16 mi southeast… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 58275 | 25 Nov 1958 | Mexico | Zacatecas | Sombrerete Mun. 23 mi SE… | — |
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| Nicolletia edwardsii A.Gray | R. C. Rollins 58289 | 26 Nov 1958 | Mexico | Durango | 54 mi SW of Torreon,… | — |
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| Montanoa tomentosa Cerv. subsp. tomentosa | R. C. Rollins 83354 | 20 Oct 1983 | Mexico | Hidalgo | Pachuca de Soto Mun. 53… | — |
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| Puccinia graminis Pers. | R. C. Rollins 1086 | 04 Sep 1935 | United States of America | Wyoming | Laramie Co. Horse Creek, N… | — |
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| Puccinia jonesii Peck | R. C. Rollins 936 | 03 Jul 1935 | United States of America | Wyoming | Albany Co. Medicine Bow Mountains,… | — |
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| Erysiphe cichoracearum | R. C. Rollins 1079 | 28 Aug 1935 | United States of America | Wyoming | Laramie Co. Granite Canyon | — |
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| Puccinia iridis Wallr. | R. C. Rollins 1085 | 04 Sep 1935 | United States of America | Wyoming | Laramie Co. Horse Creek, north… | — |
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| Puccinia graminis Pers. | R. C. Rollins 1086 | 04 Sep 1935 | United States of America | Wyoming | Laramie Co. Horse Creek, N… | — |
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| Puccinia phragmitis | R. C. Rollins s.n. | 20 Oct 1933 | United States of America | Wyoming | Sheridan Co. Big Horn River,… | — |
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| Bidens alba var. radiata (Sch.Bip.) Ballard | R. C. Rollins 7477 | 28 Sep 1974 | Mexico | Coahuila | 12 mi E of San… | — |
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| Brickellia laciniata A.Gray | R. C. Rollins 5892 | 16 Nov 1958 | Mexico | Nuevo León | Monterrey Mun. Western edge of… | — |
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| Brickellia laciniata A.Gray | R. C. Rollins 5842 | 15 Nov 1958 | Mexico | Nuevo León | Cadereyta Jiménez Mun. 3 mi… | — |
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| Peteravenia malvifolia (DC.) R.M.King & H.Rob. | R. C. Rollins 5878 | 16 Nov 1958 | Mexico | Nuevo León | San Pedro Garza García Mun.… | — | ||||
| Flaveria trinervia (Spreng.) C.Mohr | R. C. Rollins 58113 | 17 Nov 1958 | Mexico | Coahuila | 10 mi E of Saltillo | — |
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| Alsia californica (Hook. & Arn.) Sull. | R. C. Rollins 2847 | 19 Nov 1941 | United States of America | California | San Mateo Co. | — | ||||
| Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | R. C. Rollins | Nov 1941 | United States of America | California | Santa Clara Co. | — | ||||
| Physaria obcordata Rollins | R. C. Rollins 8393 | 20 Jun 1983 | United States of America | Colorado | Rio Blanco Co. Tongue of… | — |
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| Lesquerella congesta Rollins | R. C. Rollins 8394 | 20 Jun 1983 | United States of America | Colorado | Rio Blanco Co. North Dudley… | isotype |
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| Physaria obcordata Rollins | R. C. Rollins 8390 | 20 Jun 1983 | United States of America | Colorado | Rio Blanco Co. | — |
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| Parthenium hysterophorus L. | R. C. Rollins 481017 | 29 May 1948 | Mexico | San Luis Potosí | 40 km S of Valles | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 76029 | 26 Aug 1976 | Mexico | Coahuila | 12 mi NW of Ocampo… | — |
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| Parthenium argentatum A.Gray | R. C. Rollins 7445 | 23 Sep 1974 | Mexico | Coahuila | Above La Mina San Jose,… | — |
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| Parthenium incanum Kunth | R. C. Rollins 74171 | 13 Oct 1974 | Mexico | Durango | Mapimí Mun. Along Mex. Rte.… | — |
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| Parthenium fruticosum Less. | R. C. Rollins 76053 | 3 Sep 1976 | Mexico | Nuevo León | Linares Mun. 12 mi S… | — |
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| Parthenium fruticosum Less. | R. C. Rollins 76052 | 3 Sep 1976 | Mexico | Nuevo León | Linares Mun. Near Hwy. 85;… | — |
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| Parthenium fruticosum Less. | R. C. Rollins 76051 | 2 Sep 1976 | Mexico | Nuevo León | Linares Mun. Near Hwy. 57,… | — |
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| Parthenium confertum var. lyratum (A.Gray) Rollins | R. C. Rollins 5807 | 14 Nov 1958 | Mexico | Tamaulipas | Nuevo Laredo Mun. 4 mi… | — |
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| Parthenium confertum A.Gray | R. C. Rollins 76074 | 7 Sep 1976 | Mexico | Coahuila | Parras Mun. Parras de la… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 74177 | 14 Oct 1974 | Mexico | Chihuahua | Camargo Mun. Mex. Hwy. 45,… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 7493 | 29 Sep 1974 | Mexico | Coahuila | Saltillo Mun. 36 mi S… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 481014 | 7 May 1948 | Mexico | Durango | Mapimí Mun. 60 km W… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 7438 | 22 Sep 1974 | Mexico | Durango | Pánuco de Coronado Mun. Roadside… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 74176 | 14 Oct 1974 | Mexico | Chihuahua | Jiménez Mun. Along Mex. Hwy.… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 7485 | 28 Sep 1974 | Mexico | Coahuila | Saltillo Mun. 23 mi W… | — |
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| Parthenium bipinnatifidum (Ortega) Rollins | R. C. Rollins 74103 | 1 Oct 1974 | Mexico | Zacatecas | Near railroad track at La… | — |
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| Parthenium argentatum A.Gray | R. C. Rollins 74172 | 13 Oct 1974 | Mexico | Durango | Mapimí Mun. Along Mex. Rte.… | — |
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