Displaying 1 - 50 out of 3321 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Machaeranthera canescens var. nebraskana B.L.Turner | H. A. Stephens 28307 | 27 Aug 1968 | United States of America | Nebraska | Sheridan Co. 2 miles east… | holotype |
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| Machaeranthera spectabilis Greene | C. F. Baker 873 | 20 Aug 1901 | United States of America | Colorado | Region of the Gunnison Watershed:… | isotype |
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| Machaeranthera ramosa A.Nelson | A. Nelson 8152 | 27 Aug 1900 | United States of America | Wyoming | Albany Co. Laramie | isotype |
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| Machaeranthera ramosa A.Nelson | A. Nelson 8152 | 27 Aug 1900 | United States of America | Wyoming | Albany Co. Laramie | isotype |
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| Machaeranthera selbyi Rydb. | L. M. Underwood 93a | 07 Sep 1901 | United States of America | Colorado | Ouray Co. Southeast of Ouray | holotype |
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| Machaeranthera asteroides var. glandulosa B.L.Turner | D. J. Pinkava L18904 | 19 Sep 1975 | United States of America | Arizona | Maricopa Co. US Highway 60,… | isotype |
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| Machaeranthera parthenium Greene | C. G. Pringle s.n. | 10 Sep 1884 | United States of America | Arizona | Pima Co. Davidson's Canon [Canyon] | isolectotype |
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| Machaeranthera parthenium Greene | C. G. Pringle s.n. | 10 Sep 1884 | United States of America | Arizona | Pima Co. Davidson's Canon [Canyon] | isolectotype |
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| Machaeranthera pruinosa Greene | C. H. T. Townsend 371 | 11 Oct 1899 | Mexico | Chihuahua | Near Casas Grandes | isotype |
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| Machaeranthera glabra G.L.Nesom | F. W. Pennell 18756 | 14 Sep 1934-15 Sep 1934 | Mexico | Chihuahua | La Junta | holotype |
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| Machaeranthera cichoriacea Greene | C. F. Baker 918 | 25 Aug 1901 | United States of America | Colorado | Mesa Co. Gunnison Watershed: Deer… | isotype |
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| Machaeranthera ammophila Reveal | J. L. Reveal 1882 | 21 Aug 1968 | United States of America | Nevada | Nye Co. U. S. Atomic… | isotype |
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| Machaeranthera ammophila Reveal | J. L. Reveal 1882 | 21 Aug 1968 | United States of America | Nevada | Nye Co. U. S. Atomic… | isotype |
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| Machaeranthera baconii B.L.Turner | J. D. Bacon 1223 | 18 Oct 1971 | Mexico | Coahuila | 0.5 mile east of Salinas… | isotype |
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| Machaeranthera superba A.Nelson | A. Nelson 6337 | 06 Aug 1899 | United States of America | Wyoming | Yellowstone Lake | isotype |
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| Machaeranthera varians Greene | C. F. Baker 695 | 30 Aug 1899 | United States of America | Colorado | Near Pagosa Peak | isolectotype |
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| Machaeranthera varians Greene | C. F. Baker 694 | 04 Sep 1899 | United States of America | New Mexico | Chama | syntype |
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| Machaeranthera linearis Rydb. | G. W. Letterman s.n. | 06 Aug 1885 | United States of America | Wyoming | National Park [Yellowstone National Park… | holotype |
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| Machaeranthera angustifolia Wooton & Standl. | J. M. Bigelow s.n. | 25 Sep 1853 | United States of America | New Mexico | Guadalupe Co. Hurrah Creek | isotype |
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| Machaeranthera arida B.L.Turner & D.B.Horne | C. B. Wolf 10635 | 15 May 1941 | United States of America | California | San Bernardino Co. Mesquite Valley,… | isotype |
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| Machaeranthera lagunensis D.D.Keck | P. A. Munz 17948 | 20 Aug 1952 | United States of America | California | San Diego Co. Laguna Mts.,… | isotype |
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| Machaeranthera canescens var. ambigua B.L.Turner | H. C. Hanson A7 | 29 Aug 1922 | United States of America | Arizona | Flagstaff | isotype |
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| Machaeranthera kingii var. barnebyana S.L.Welsh & Goodrich | S. Goodrich 14929 | 12 Aug 1980 | United States of America | Utah | Millard Co. Fishlake National Forest,… | isotype |
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| Machaeranthera angustifolia Rydb. | G. W. Letterman s.n. | 06 Aug 1885 | United States of America | Wyoming | National Park [Yellowstone National Park… | holotype |
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| Machaeranthera centaureoides Greene ex Wooton & Standl. | O. B. Metcalfe 440 | 09 Aug 1903 | United States of America | New Mexico | Socorro Co. In the Mogollon… | isotype |
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| Machaeranthera rubricaulis Rydb. | F. K. Vreeland 681 | 26 Sep 1900 | United States of America | Colorado | Le Veta | isotype |
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| Machaeranthera rubricaulis Rydb. | F. K. Vreeland 681 | 26 Sep 1900 | United States of America | Colorado | Le Veta | isotype |
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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 pulverulenta var. vacans A.Nelson | E. P. Walker 360 | 30 Jul 1912 | United States of America | Colorado | San Juan Co. Geyser Basin | syntype |
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| Machaeranthera pulverulenta var. vacans A.Nelson | E. P. Walker 434 | 10 Aug 1912 | United States of America | Colorado | San Miguel Co. Norwood Hill | syntype |
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| Machaeranthera pulverulenta var. vacans A.Nelson | E. P. Walker 537 | 02 Sep 1912 | United States of America | Colorado | Montrose Co. Coventry | syntype |
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| Machaeranthera glabriuscula var. confertifolia Cronquist | A. Cronquist 9164 | 31 May 1961 | United States of America | Utah | Garfield Co. 11 miles northeast… | holotype |
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| Machaeranthera phyllocephala (DC.) Shinners | J. B. Walker 1669 | 15 Oct 1995 | United States of America | Texas | Hidalgo Co. 20km E of… | — | ||||
| Machaeranthera glabella Greene ex Rydb. | C. F. Baker 701 | 01 Aug 1901 | United States of America | Colorado | Gunnison Watershed: Cerro Summit | lectotype |
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| Machaeranthera aquifolia Greene ex Wooton & Standl. | O. B. Metcalfe 856 | 26 Aug 1903 | United States of America | New Mexico | Socorro Co. At Gila Hot… | isotype |
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| Machaeranthera heterocarpa R.L.Hartm. & M.A.Lane | R. L. Hartman 3785 | 20 Oct 1973 | United States of America | Texas | San Patricio Co. Welder Wildlife… | isotype |
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| Machaeranthera heterocarpa R.L.Hartm. & M.A.Lane | R. L. Hartman 3785 | 20 Oct 1973 | United States of America | Texas | San Patricio Co. Welder Wildlife… | isotype |
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| Machaeranthera fremontii Rydb. | J. C. Frémont 421 | 1844 | United States of America | Colorado | [Platte River] | holotype |
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| Machaeranthera tortifolia var. imberbis Cronquist | A. Cronquist 8994 | 10 May 1961 | United States of America | Utah | Grand Co. Above the east… | holotype |
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| Machaeranthera venusta (M.E.Jones) Cronquist & D.D.Keck | N. H. Holmgren 14159 | 15 May 2001 | United States of America | Utah | Uintah Co. Uinta Basin, State… | — |
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| Machaeranthera venusta (M.E.Jones) Cronquist & D.D.Keck | N. H. Holmgren 14174 | 16 May 2001 | United States of America | Utah | Emery Co. State Route 10,… | — |
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| Machaeranthera venusta (M.E.Jones) Cronquist & D.D.Keck | N. H. Holmgren 14190 | 18 May 2001 | United States of America | Utah | Grand Co. Windy Mesa Road,… | — |
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| Machaeranthera venusta (M.E.Jones) Cronquist & D.D.Keck | N. H. Holmgren 15656 | 28 May 2008 | United States of America | Utah | Grand Co. Junction of Old… | — |
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| Machaeranthera tephrodes (A.Gray) Greene | J. Spencer 887 | 22 Sep 1998 | Mexico | Chihuahua | Along Pedras Verdes River,. Ca.… | — | ||||
| Machaeranthera asteroides var. lagunensis (D.D.Keck) B.L.Turner | R. V. Moran 13574 | 17 Sep 1966 | Mexico | Baja California | 1.3 mils NW of Rancho… | — |
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| Machaeranthera asteroides var. lagunensis (D.D.Keck) B.L.Turner | R. V. Moran 14554 | 16 Sep 1967 | Mexico | Baja California | Above Rancho San Pedro Mártir,… | — |
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| Machaeranthera asteroides (Torr.) Greene var. asteroides | R. W. Spellenberg 6860 | 10 Oct 1982 | Mexico | Chihuahua | Extreme NW corner of Chihuahua.… | — |
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| Machaeranthera asteroides (Torr.) Greene var. asteroides | S. S. White 4667 | 07 Oct 1941 - 10 Oct 1941 | Mexico | Sonora | Cañon de la Bellota, Sierra… | — |
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| Machaeranthera asteroides (Torr.) Greene var. asteroides | C. V. Hartman 125 | 12 Oct 1890 | Mexico | Sonora | Los Pinitos | — |
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| Machaeranthera asteroides (Torr.) Greene var. asteroides | F. W. Pennell 19080 | 21 Sep 1934 | Mexico | Chihuahua | Above Colonia Juarez. | — |
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