Displaying 101 - 125 out of 125 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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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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| Eysenhardtia texana Scheele | A. M. Powell 3007 | 01 Aug 1976 | United States of America | Texas | Val Verde Co. hillsides, ca.… | — |
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| Brongniartia minutifolia S.Watson | A. M. Powell 3631 | 29 Aug 1981 | United States of America | Texas | Brewster Co. low white hills,… | — |
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| Senegalia roemeriana (Scheele) Britton & Rose | A. M. Powell 3750 | 09 Jul 1982 | United States of America | Texas | Brewster Co. limestone hills W… | — |
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| Pomaria jamesii (Torr. & A.Gray) Walp. | A. M. Powell 2849 | 10 Jun 1976 | United States of America | Texas | Hudspeth Co. white gypsum dunes,… | — |
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| Amelanchier denticulata (Kunth) K.Koch | A. M. Powell 2810 | 07 Jun 1975 | United States of America | Texas | Presidio Co. Along the Right… | — |
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| Flaveria brownii A.M.Powell | A. M. Powell 2802 | 30 Dec 1974 | United States of America | Texas | San Patricio Co. Port Aransas,… | — |
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| Flaveria chlorifolia A.Gray | A. M. Powell 3036 | 18 Sep 1976 | United States of America | Texas | Culberson Co. Rustler Springs at… | — |
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| Flaveria trinervia (Spreng.) C.Mohr | A. M. Powell 3037 | 04 Sep 1976 | United States of America | Texas | Culberson Co. Rustler Springs at… | — |
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| Haploësthes greggii A.Gray var. greggii | A. M. Powell 2787 | 19 Jul 1974 | United States of America | Texas | Crosby Co. Near roadside, just… | — |
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| Haploesthes greggii var. texana (J.M.Coult.) I.M.Johnst. | A. M. Powell 2777 | 24 Jun 1974 | United States of America | Texas | Crane Co. Gypseous Flat, on… | — |
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| Hymenoxys linearifolia Hook. | A. M. Powell 1872 | 16 Apr 1970 | United States of America | Texas | Ward Co. 2 miles W… | — |
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| Isocoma veneta (Kunth) Greene | A. M. Powell 2788 | 24 Aug 1974 | United States of America | Texas | Culberson Co. roadside, Hwy 54,… | — |
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| Poliomintha incana (Torr.) A.Gray | A. M. Powell 2844 | 10 Jun 1976 | United States of America | Texas | Hudspeth Co. White gypsum dunes,… | — |
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| Perityle lemmonii (A.Gray) A.M.Powell | A. M. Powell 1255 | 14 Jul 1964 | United States of America | Texas | Brewster Co. 4 mi W… | — |
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| Perityle lindheimeri var. halimifolia (A.Gray) A.M.Powell | A. M. Powell 1234 | 20 Jun 1964 | United States of America | Texas | Val Verde Co. along creek… | — |
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| Perityle lindheimeri (A.Gray) Shinners var. lindheimeri | A. M. Powell 1235 | 20 Jun 1964 | United States of America | Texas | Kendall Co. Edge Falls near… | — |
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| Perityle lindheimeri (A.Gray) Shinners var. lindheimeri | A. M. Powell 1326 | 19 Jun 1965 | United States of America | Texas | Real Co. 13 miles west… | — |
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| Perityle parryi A.Gray | A. M. Powell 1396 | 20 Mar 1966 | United States of America | Texas | Presidio Co. road cut along… | — |
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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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| Tridax coronopifolia (Kunth) Hemsl. | A. M. Powell 645 | 12 Aug 1961 | Mexico | Veracruz | Along route 150, 7 miles… | — | ||||
| Sartwellia mexicana A.Gray ex S.Watson | A. M. Powell 2592 | 21 Aug 1973 | Mexico | Zacatecas | 55 mi N of junction… | — | ||||
| Flaveria oppositifolia (DC.) Rydb. | A. M. Powell 2593 | 21 Aug 1973 | Mexico | Zacatecas | 55 mi N of junction… | — |
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