Displaying 251 - 275 out of 298 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Selaginella lepidophylla (Hook. & Grev.) Spring | I. M. Johnston 7236 | 27 Aug 1938-30 Aug 1938 | Mexico | Coahuila | Ramos Arizpe Mun. Road from… | — |
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| Bouteloua dactyloides (Nutt.) Columbus | I. M. Johnston 7428 | Sept. 4-5, 1938 | Mexico | Zacatecas | Road from Sierra Hermosa southwest… | — |
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| Dalea bicolor Humb. & Bonpl. ex Willd. var. bicolor | I. M. Johnston 7449 | 04 Sep 1938 - 05 Sep 1938 | Mexico | Zacatecas | Road from Sierra Hermosa southwest… | — |
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| Bouteloua chasei Swallen | I. M. Johnston 7592 | Sept. 11-12, 1938 | Mexico | San Luis Potosí | Road from Matehuala north to… | — |
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| Frankenia gypsophila I.M.Johnst. | I. M. Johnston 7614 | 12 Sep 1938 | Mexico | San Luis Potosí | 6 miles north of San… | isotype |
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| Sartwellia humilis I.M.Johnst. | I. M. Johnston 7634 | 12 Sep 1938-13 Sep 1938 | Mexico | Coahuila | Road from state boundary, near… | type |
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| Eragrostis pectinacea var. miserrima (E.Fourn.) Reeder | I. M. Johnston 7786 | 19 Sep 1938 | Mexico | Durango | Road from Bermejillo to Zaragoza… | — |
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| Gutierrezia sphaerocephala A.Gray | I. M. Johnston 8328 | 22 Aug 1941-23 Aug 1941 | Mexico | Coahuila | E of Puerto Caballo, 16… | — |
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| Plagiobothrys mollis (A.Gray) I.M.Johnst. | I. M. Johnston 11978 | 10 Jul 1935 | United States of America | Oregon | Harney Co. Moist field just… | — |
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| Carex bella L.H.Bailey | I. M. Johnston A-90 | 08 Aug 1919 | United States of America | Colorado | El Paso Co. Pikes Peak,… | — |
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| Helianthus nuttallii subsp. parishii (A.Gray) Heiser | I. M. Johnston s.n. | 02 Sep 1924 | United States of America | California | San Bernardino Co. 2 miles… | — |
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| Sargassum insulare Setch. & N.L.Gardner | I. M. Johnston s.n. | Jun 1921 | Mexico | Baja California | San Marcos Island | probable type |
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| Carex lanuginosa Michx. | I. M. Johnston s.n. | 13 May 1917 | United States of America | California | Los Angeles Co. El Monte | — |
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| Carex praegracilis W.Boott | I. M. Johnston s.n. | 08 Jul 1917 | — | — | Mojave Desert. Near Victorville. | — |
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| Carex cryptosperma Zika, D.S.Bell & L. J. Gross | I. M. Johnston s.n. | 05 Jul 1924 | United States of America | California | San Bernardino Co. Bluff Lake,… | — |
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| Trametes hirsuta (Wulfen:Fr.) Lloyd | I. M. Johnston s.n. | 08 Dec 1918 | United States of America | California | Stoddard Canyon, San Antonio Mts | — |
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| Astraeus hygrometricus (Pers.) Morgan | I. M. Johnston s.n. | 07 Dec 1925 | Chile | Antofagasta | El Rincon, just north of… | — |
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| Geastrum recolligens (J.Sowerby) Desv. | I. M. Johnston s.n. | 05 Dec 1925 | Chile | — | Prov. Antofagasto, Dept. Taltal. Aguada… | — |
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| Arctostaphylos tomentosa (Pursh) Lindl. | I. M. Johnston s.n. | 13 Aug 1924 | United States of America | California | Sunset Trail, 1.5 mi S… | — |
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| Tulostoma jourdani Pat. | I. M. Johnston s.n. | 05 Dec 1925 | Chile | Antofagasta | along trail to the old… | — |
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| Tulostoma poculatum V.S.White | I. M. Johnston s.n. | 08 Jul 1957 | United States of America | Texas | Aransas Co. 10 miles north… | — |
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| Puccinia hydrophylli Peck & Clinton | I. M. Johnston s.n. | 18 May 1935 | United States of America | Vermont | Mt. Equinox, Manchester. | — |
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| Puccinia hydrophylli Peck & Clinton | I. M. Johnston s.n. | 18 May 1935 | United States of America | Vermont | Mt. Equinox, Manchester. | — |
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| Puccinia mariae-wilsoniae Clinton | I. M. Johnston s.n. | 18 May 1935 | United States of America | Vermont | Bennington Co. Mt. Equinox | — |
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| Puccinia mariae-wilsoniae Clinton | I. M. Johnston s.n. | 18 May 1935 | United States of America | Vermont | Bennington Co. Mt. Equinox | — |
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