Displaying 1 - 25 out of 3321 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Machaeranthera canescens (Pursh) A.Gray var. canescens | A. A. Beetle 2304 | 18 Aug 1937 | United States of America | Colorado | Grand Co. 6 mi. N.… | — |
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| Machaeranthera pinnatifida var. scabrella (Greene) B.L.Turner & R.L.Hartm. | A. A. Heller 1858 | 12 Jun 1894 - 19 Jun 1894 | United States of America | Texas | Kerr Co. about Kerrville | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. A. Heller 3601 | 27 May 1897 | United States of America | New Mexico | Taos Co. between Barranca and… | — |
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| Machaeranthera pinnatifida var. scabrella (Greene) B.L.Turner & R.L.Hartm. | A. A. Heller 3777 | 28 May 1897 | United States of America | New Mexico | Santa Fe Co. | — |
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| Machaeranthera tortifolia (Torr. & A.Gray) Cronquist & D.D.Keck | A. A. Heller 8311 | 22 May 1906 | United States of America | California | Inyo Co. Near Laws. | — |
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| Machaeranthera canescens (Pursh) A.Gray var. canescens | A. A. Heller 9191 | 27 Jul 1908 | United States of America | Nevada | Elko Co. Between Wells and… | — |
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| Machaeranthera canescens (Pursh) A.Gray var. canescens | A. A. Heller 9513 | 20 Aug 1908 | United States of America | Nevada | Elko Co. Ridge above Cave… | — |
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| Machaeranthera tortifolia (Torr. & A.Gray) Cronquist & D.D.Keck | A. A. Heller 9655 | 17 May 1909 | United States of America | Nevada | Nye Co. Rhyolite. | — |
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| Machaeranthera canescens var. shastensis (A.Gray) B.L.Turner | A. A. Heller 9960 | 15 Sep 1909 | United States of America | Nevada | Washoe Co. Tuckee Pass | — |
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| Machaeranthera gracilis (Nutt.) Shinners | A. A. Heller 15776 | 03 Sep 1940 | United States of America | Arizona | along U.S. Highway #66, between… | — |
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| Machaeranthera gracilis (Nutt.) Shinners | A. A. Heller 15780 | 03 Sep 1940 | United States of America | Arizona | Coconino Co. Along U. S.… | — |
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| Machaeranthera canescens var. ambigua B.L.Turner | A. A. Heller 15795 | 04 Sep 1940 | United States of America | Arizona | Coconino Co. 2 miles east… | — |
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| Machaeranthera canescens var. ambigua B.L.Turner | A. A. Heller 15821 | 11 Sep 1940 | United States of America | Arizona | Coconino Co. Highway #64, 5… | — |
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| Machaeranthera canescens var. ambigua B.L.Turner | A. A. Heller 15776a | 03 Sep 1940 | United States of America | Arizona | Coconino Co. Along U. S.… | — |
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| Machaeranthera pinnatifida subsp. gooddingii (A.Nelson) B.L.Turner & R.L.Hartm. | A. A. Nichol s.n. | 17 Apr 1939 | United States of America | Arizona | 8 miles south of Growler… | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. Brown s.n. | 18 Jul 1878 | United States of America | Colorado | Pueblo Co. | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. Brown s.n. | 18 Jul 1878 | United States of America | Colorado | Pueblo Co. | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. Brown s.n. | 18 Jul 1878 | United States of America | Colorado | Pueblo Co. | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. Brown s.n. | 18 Jul 1878 | United States of America | Colorado | Pueblo Co. | — |
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| Machaeranthera pinnatifida (Shinners) Hook. var. pinnatifida | A. Brown | 17 Jul 1878 | United States of America | New York | Pueblo | — |
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| Machaeranthera tanacetifolia (Kunth) Nees | A. Brown | 17 Jul 1878 | United States of America | Colorado | Pueblo Co. | — |
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| Sideranthus machaeranthera Small | A. C. V. Schott 508a | 1852 | United States of America | — | Rio Bravo del Norte | holotype |
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| Machaeranthera canescens (Pursh) A.Gray var. canescens | A. Cronquist 1971 | 18 Aug 1939 | United States of America | Idaho | Clark Co. Hillside above West… | — |
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| Machaeranthera canescens var. shastensis (A.Gray) B.L.Turner | A. Cronquist 7768 | 11 Aug 1953 | United States of America | Oregon | Klamath Co. 4 miles south… | — |
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| Machaeranthera grindelioides (Nutt.) Shinners var. grindelioides | A. Cronquist 8820 | 06 Aug 1959 | United States of America | Wyoming | Sweetwater Co. Stony point in… | — |
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