Displaying 76 - 100 out of 125 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Perityle rupestris (A.Gray) Shinners | A. M. Powell 1555 | 23 Sep 1967 | United States of America | Texas | Brewster Co. rock bluffs, above… | — |
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| Perityle rupestris (A.Gray) Shinners | A. M. Powell 1228 | 06 Jun 1964 | United States of America | Texas | Jeff Davis Co. ca. 2… | — |
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| Perityle rupestris (A.Gray) Shinners | A. M. Powell 1559 | 30 Sep 1967 | United States of America | Texas | Jeff Davis Co. bluffs, 15… | — |
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| Perityle staurophylla (Barneby) Shinners | A. M. Powell 1276 | 28 Aug 1964 | United States of America | New Mexico | Otero Co. ca 1.5 mi.… | — |
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| Perityle tenella (M.E.Jones) J.F.Macbr. | A. M. Powell 1267 | 31 Jul 1964 | United States of America | Utah | Washington Co. ca. 1/2 to… | — |
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| Nerisyrenia linearifolia (S.Watson) Greene | A. M. Powell 2354 | 14 Jun 1972 | United States of America | Texas | Ward Co. ca 6 mi… | — |
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| Draba cuneifolia Nutt. var. cuneifolia | A. M. Powell 1312 | 21 Jan 1965 | United States of America | Texas | Presidio Co. Near spring in… | — |
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| Draba cuneifolia Nutt. | A. M. Powell 6506 | 29 Mar 2005 | United States of America | Texas | Brewster Co. ca 9 mi… | — |
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| Calylophus | A. M. Powell 2359 | 14 Jun 1972 | United States of America | Texas | Ward Co. ca 6 mi… | — |
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| Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson | A. M. Powell 2355 | 14 Jun 1972 | United States of America | Texas | Ward Co. ca 6 mi… | — |
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| Gaura | A. M. Powell 2360 | 14 Jun 1972 | United States of America | Texas | Ward Co. ca 6 mi… | — |
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| Abronia angustifolia Greene | A. M. Powell 2846 | 10 Jun 1976 | United States of America | Texas | Hudspeth Co. White gypsum dunes,… | — |
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| Mirabilis multiflora (Torr.) A.Gray | A. M. Powell 3004 | 12 Jul 1976 | United States of America | Texas | El Paso Co. south end… | — |
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| Asclepias subverticillata (A.Gray) Vail | A. M. Powell 3002 | 12 Jul 1976 | United States of America | Texas | El Paso Co. south end… | — |
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| Mentzelia humilis (A.Gray) J.Darl. | A. M. Powell 2132 | 23 Jun 1971 | United States of America | Texas | Culberson Co. gyp hills 35… | — |
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| Mentzelia mexicana H.J.Thomps. & Zavort. | A. M. Powell 3026 | 16 Aug 1976 | United States of America | Texas | Brewster Co. roadcut in the… | — |
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| Trianthema portulacastrum L. | A. M. Powell 6001 | 12 Aug 1993 | United States of America | Texas | Presidio Co. Roadside in drainage,… | — |
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| Batesimalva violacea (Rose) Fryxell | A. M. Powell 3632 | 19 Sep 1981 | United States of America | Texas | Brewster Co. Big Bend Nat'l… | — |
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| Opuntia macrocentra Engelm. | A. M. Powell 6022 | 04 Feb 1994 | United States of America | Texas | Presidio Co. Trans-Pecos, ca. 30… | — |
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| Sphaeralcea | A. M. Powell 2353 | 14 Jun 1972 | United States of America | Texas | Ward Co. low gypsum ridges… | — |
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| Amsonia longiflora Torr. | A. M. Powell 2931 | 23 Jun 1976 | United States of America | Texas | Hudspeth Co. Mayfield Canyon, S… | — |
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| Forestiera pubescens Nutt. | A. M. Powell 2851 | 11 Jun 1976 | United States of America | Texas | Hudspeth Co. saline-gypsum flats, near… | — |
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| Quercus pungens Liebm. | A. M. Powell 5772 | 12 Oct 1991 | United States of America | Texas | Hudspeth Co. Eagle Mountains, WNW… | — |
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| Melampodium hispidum Kunth | A. M. Powell 1546 | 19 Aug 1967 | United States of America | Texas | Jeff Davis Co. along creek… | — |
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| Flaveria chlorifolia A.Gray | A. M. Powell 2799 | 27 Oct 1974 | United States of America | Texas | Reeves Co. Beside a concrete… | — |
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