Displaying 2726 - 2800 out of 2994 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Grindelia arizonica var. stenophylla A.Gray & Steyerm. | R. C. Rollins 1557 | 19 Aug 1936 | United States of America | Colorado | Archuleta Co. Roadside 3 miles… | — |
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| Grindelia subalpina Greene | R. C. Rollins 979 | 11 Jul 1935 | United States of America | Wyoming | Albany Co. Knolls near Crow… | — |
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| Rubus deliciosus Torr. | R. C. Rollins 1220 | 23 Jun 1936 | United States of America | Colorado | Custer Co. near San Isabel… | — |
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| Gutierrezia microcephala (DC.) A.Gray | R. C. Rollins 1584 | 31 Aug 1936 | United States of America | Colorado | Mesa Co. 6 miles southwest… | — |
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| Gutierrezia sarothrae (Pursh) Britton & Rusby | R. C. Rollins 1585 | 31 Aug 1936 | United States of America | Colorado | Mesa Co. 20 miles southwest… | — |
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| Gutierrezia sarothrae (Pursh) Britton & Rusby | R. C. Rollins 1561 | 21 Aug 1936 | United States of America | Colorado | Montezuma Co. 15 miles north… | — |
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| Helianthus rigidus var. subrhomboideus | R. C. Rollins 1560 | 20 Aug 1936 | United States of America | Colorado | La Plata Co. Durango-Mandos, 18… | — |
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| Heliopsis helianthoides subsp. scabra (Dunal) T.R.Fisher | R. C. Rollins 1806 | 03 Jul 1937 | United States of America | Colorado | Las Animas Co. Moist swale,… | — |
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| Gymnosporangium inconspicuum Kern | R. C. Rollins 1958 | 25 Aug 1938 | United States of America | Colorado | Delta Co. Rocky hillside, n.e.… | — |
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| Gymnosporangium inconspicuum Kern | R. C. Rollins 1958 | 25 Aug 1938 | United States of America | Colorado | Delta Co. Rocly hillside, n.e.… | — |
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| Sibbaldia procumbens L. | R. C. Rollins 973 | 07 Jul 1935 | United States of America | Wyoming | Albany Co. Knolls surrounded by… | — |
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| Heterotheca hispida G.L.Nesom | R. C. Rollins 633 | 13 Jul 1934 | United States of America | Wyoming | Sheridan Co. Above Story, Big… | — |
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| Heterotheca fulcrata (Greene) Shinners var. fulcrata | R. C. Rollins 1886 | 04 Aug 1937 | United States of America | Colorado | Roadside on eastern slope of… | — |
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| Heterotheca pumila (Greene) Semple | R. C. Rollins 1599 | 05 Sep 1936 | United States of America | Colorado | Montrose Co. Uncompahgre Plateau, 25… | — |
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| Heterotheca pumila (Greene) Semple | R. C. Rollins 1544 | 13 Aug 1936 | United States of America | Colorado | San Juan Co. Hillside 7… | — |
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| Heterotheca hispida G.L.Nesom | R. C. Rollins 950 | 03 Jul 1935 | United States of America | Wyoming | Albany Co. at the Four… | — |
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| Viguiera multiflora (Nutt.) S.F.Blake | R. C. Rollins 1480 | 03 Aug 1936 | United States of America | Colorado | Conejos Co. 2 miles southwest… | — |
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| Viguiera multiflora var. nevadensis (A.Nelson) S.F.Blake | R. C. Rollins 1937 | 14 Aug 1937 | United States of America | Colorado | Mesa Co. Shale & coal… | — |
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| Hymenopappus filifolius var. luteus (Nutt.) B.L.Turner | R. C. Rollins 1674 | 11 Jun 1937 | United States of America | Utah | Uintah Co. 16 miles SE… | — |
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| Hymenopappus filifolius var. megacephalus B.L.Turner | R. C. Rollins 1709 | 15 Jun 1937 | United States of America | Utah | Uintah Co. Eastern slope of… | — |
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| Hymenopappus filifolius var. megacephalus B.L.Turner | R. C. Rollins 1740 | 16 Jun 1937 | United States of America | Utah | Uintah Co. Clay hillside 14… | — |
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| Hymenopappus filifolius var. megacephalus B.L.Turner | R. C. Rollins 57290 | 07 Aug 1957 | United States of America | Colorado | Eagle Co. 8.5 miles SW… | — |
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| Hymenopappus filifolius var. nudipes (Maguire) B.L.Turner | R. C. Rollins 51186 | 19 Jun 1951 | United States of America | Utah | Emery Co. 15 miles W… | — |
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| Hymenopappus filifolius var. nudipes (Maguire) B.L.Turner | R. C. Rollins 51223 | 21 Jul 1951 | United States of America | Utah | Piute Co. Mountain E of… | — |
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| Hymenopappus filifolius var. parvulus (Greene) B.L.Turner | R. C. Rollins 5190 | 12 Jul 1951 | United States of America | Colorado | Saguache Co. 23 mi SE… | — |
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| Hymenopappus filifolius var. parvulus (Greene) B.L.Turner | R. C. Rollins 5190 | 12 Jul 1951 | United States of America | Colorado | Saguache Co. 23 miles SE… | — |
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| Hymenopappus tenuifolius Pursh | R. C. Rollins 1838 | 10 Jul 1937 | United States of America | Colorado | Las Animas Co. Dry northern… | — |
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| Taraxacum ammophilum Greene | R. C. Rollins 923 | 01 Jul 1935 | United States of America | Wyoming | Albany Co. Moist meadow on… | — |
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| Hymenoxys acaulis (Pursh) K.F.Parker | R. C. Rollins 1810 | 04 Jul 1937 | United States of America | Colorado | Las Animas Co. 2 miles… | — |
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| Hymenoxys acaulis var. pygmaea | R. C. Rollins 960 | 03 Jul 1935 | United States of America | Wyoming | Albany Co. Rocky flats 4… | — |
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| Tetradymia canescens DC. | R. C. Rollins 2872 | 22 Jul 1939 | United States of America | Wyoming | Uinta Co. 3.5 miles east… | — |
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| Tetradymia canescens DC. | R. C. Rollins 1964 | 26 Aug 1937 | United States of America | Colorado | Delta Co. rocky hillside near… | — |
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| Hymenoxys grandiflora (Torr. & A.Gray) K.L.Parker | R. C. Rollins 1353 | 10 Jul 1936 | United States of America | Colorado | Lake Co. Dry hillside 1… | — |
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| Hymenoxys richardsonii var. floribunda (A.Gray) K.L.Parker | R. C. Rollins 1528 | 15 Aug 1936 | United States of America | Colorado | La Plata Co. 8 miles… | — |
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| Agastache pallidiflora subsp. pallidiflora var. greenei | R. C. Rollins 1521 | 13 Aug 1936 | United States of America | Colorado | San Juan Co. Rocky cliffs… | — |
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| Agastache urticifolia (Benth.) Kuntze var. urticifolia | R. C. Rollins 1458 | 27 Jul 1936 | United States of America | Colorado | Gunnison Co. near main hiway,… | — |
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| Hedeoma drummondii Benth. | R. C. Rollins 1872 | 21 Jul 1937 | United States of America | Colorado | Otero Co. 15 miles south… | — |
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| Thelesperma megapotamicum (Spreng.) Kuntze | R. C. Rollins 1811 | 04 Jul 1937 | United States of America | Colorado | Las Animas Co. 2 miles… | — |
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| Hedeoma nana (Torr.) Briq. | R. C. Rollins 5393 | 12 Apr 1953 | United States of America | Texas | Guadalupe Co. Near Cibolo Creek,… | — |
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| Townsendia florifer (Hook.) A.Gray | R. C. Rollins 1152 | 10 Jun 1936 | United States of America | Idaho | Elmore Co. 14 miles northwest… | — |
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| Townsendia hookeri Beaman | R. C. Rollins 408 | 18 Apr 1934 | United States of America | Wyoming | Johnson Co. W of Buffalo | — |
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| Townsendia hookeri Beaman | R. C. Rollins 1619 | 10 Jun 1937 | United States of America | Wyoming | Uinta Co. Near Lyman | — |
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| Townsendia incana Nutt. | R. C. Rollins 1705 | 15 Jun 1937 | United States of America | Wyoming | Uinta Co. Dry eastern slope… | — |
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| Townsendia rothrockii A.Gray | R. C. Rollins 51152 | 16 Jul 1951 | United States of America | Colorado | San Juan Co. Southwest slope… | — |
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| Townsendia strigosa Nutt. | R. C. Rollins 1662 | 10 Jun 1937 | United States of America | Wyoming | Uinta Co. Near Blacks Fork… | — |
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| Liatris punctata Hook. var. punctata | R. C. Rollins 36 | 03 Aug 1931 | United States of America | Wyoming | Niobrara Co. Near Kirtly | — |
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| Liatris punctata Hook. var. punctata | R. C. Rollins 712 | 01 Aug 1934 | United States of America | Wyoming | Johnson Co. Near Rock Creek | — |
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| Machaeranthera bigelovii (A.Gray) Greene | R. C. Rollins 1505 | 08 Aug 1936 | United States of America | Colorado | Hinsdale Co. Open hillside near… | — |
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| Machaeranthera canescens (Pursh) A.Gray var. canescens | R. C. Rollins 1922 | 12 Aug 1937 | United States of America | Colorado | Mesa Co. on the edge… | — |
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| Machaeranthera glabriuscula (Nutt.) Cronquist & D.D.Keck | R. C. Rollins 1639 | 10 Jun 1937 | United States of America | Wyoming | Uinta Co. Near Lyman | — |
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| Machaeranthera gracilis (Nutt.) Shinners | R. C. Rollins 1555 | 19 Aug 1936 | United States of America | Colorado | Archuleta Co. 3 miles west… | — |
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| Monarda pectinata Nutt. | R. C. Rollins 1305 | 01 Jul 1936 | United States of America | Colorado | Saguache Co. Rocky ground near… | — |
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| Machaeranthera grindelioides (Nutt.) Shinners var. grindelioides | R. C. Rollins 1722 | 15 Jun 1937 | United States of America | Wyoming | Uinta Co. Shale outorop near… | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | R. C. Rollins 1829 | 07 Jul 1937 | United States of America | Colorado | Las Animas Co. Open knoll… | — |
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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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