Displaying 2801 - 2825 out of 2994 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Sphaeromeria argentea Nutt. | R. C. Rollins 2333 | 20 Jun 1938 | United States of America | Wyoming | Uinta Co. Exposed stony flat,… | — |
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| Sphaeromeria argentea Nutt. | R. C. Rollins 1774 | 21 Jun 1937 | United States of America | Wyoming | Uinta Co. Near Lyman | — |
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| Sphaeromeria argentea Nutt. | R. C. Rollins 1174 | 11 Jun 1936 | United States of America | Wyoming | Uinta Co. Near Lyman | — |
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| Stenotus acaulis (Nutt.) Nutt. | R. C. Rollins 1628 | 10 Jun 1937 | United States of America | Wyoming | Uinta Co. Near Lyman | — |
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| Stenotus armerioides Nutt. var. armerioides | R. C. Rollins 1787 | 22 Jun 1937 | United States of America | Wyoming | Uinta Co. Heavy soil on… | — |
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| Eriogonum arcuatum Greene var. arcuatum | R. C. Rollins 1926 | 12 Aug 1937 | United States of America | Colorado | Mesa Co. on the Uncompahgre… | — |
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| Eriogonum arcuatum var. xanthum (Small) Reveal | R. C. Rollins 1267 | 28 Jun 1936 | United States of America | Colorado | Huerfano Co. Slopes of Mt… | — |
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| Eriogonum brevicaule Nutt. var. brevicaule | R. C. Rollins 1890 | 04 Aug 1937 | United States of America | Colorado | Eagle Co. Limy outcropping between… | — |
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| Senecio amplectens var. holmii (Greene) H.D.Harr. | R. C. Rollins 1443 | 26 Jul 1936 | United States of America | Colorado | Gunnison Co. 1 mile north… | — |
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| Eriogonum cernuum Nutt. var. cernuum | R. C. Rollins 1891 | 05 Aug 1937 | United States of America | Colorado | Mesa Co. 15 miles northeast… | — |
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| Senecio atratus Greene | R. C. Rollins 1256 | 28 Jun 1936 | United States of America | Colorado | Huerfano Co. Huerfano River 15… | — |
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| Senecio atratus Greene | R. C. Rollins 1496 | 07 Aug 1936 | United States of America | Colorado | Mineral Co. 1 mile northeast… | — |
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| Senecio crassulus A.Gray | R. C. Rollins 1382 | 13 Jul 1936 | United States of America | Colorado | Chaffee Co. Mountain side, near… | — |
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| Holodiscus discolor var. microphyllus (Rydb.) Jeps. | R. C. Rollins 1163 | 10 Jun 1936 | United States of America | Idaho | Twin Falls Co. Crevices of… | — |
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| Potentilla diversifolia Lehm. | R. C. Rollins 883 | 25 Jun 1935 | United States of America | Wyoming | Albany Co. Bare knoll 1/2… | — |
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| Senecio eremophilus var. kingii Greenm. | R. C. Rollins 1571 | 26 Aug 1936 | United States of America | Colorado | San Miguel Co. near Ophir | — |
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| Arabis microphylla Nutt. | R. C. Rollins 51266 | 31 Jul 1951 | United States of America | Wyoming | Park Co. Near Clarks Fork… | — |
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| Melampodium leucanthum Torr. & A.Gray | R. C. Rollins 1830 | 07 Jul 1937 | United States of America | Colorado | Las Animas Co. near Alcreek,… | — |
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| Senecio integerrimus var. exaltatus (Nutt.) Cronquist | R. C. Rollins 970 | 07 Jul 1935 | United States of America | Wyoming | Albany Co. Hillside above the… | — |
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| Senecio integerrimus Nutt. var. integerrimus | R. C. Rollins 921 | 30 Jun 1935 | United States of America | Wyoming | Albany Co. Along the Little… | — |
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| Senecio longilobus Benth. | R. C. Rollins 6114 | 22 Apr 1961 | United States of America | Texas | Brewster Co. Maravillas Creek, 3… | — |
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| Senecio longilobus Benth. | R. C. Rollins 1831 | 07 Jul 1937 | United States of America | Colorado | Las Animas Co. open rocky… | — |
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| Salvia farinacea Benth. | R. C. Rollins 5394 | 13 Apr 1953 | United States of America | Texas | Comal Co. Three miles SE… | — |
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| Eriogonum heracleoides Nutt. var. heracleoides | R. C. Rollins 1111 | 08 Jun 1936 | United States of America | Idaho | Nez Perce Co. Steep north-facing… | — |
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| Senecio soldanella A.Gray | R. C. Rollins 51142 | 16 Jul 1951 | United States of America | Colorado | San Juan Co. Southeast slope… | — |
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