Displaying 1 - 75 out of 125 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Tridax procumbens L. A. M. Powell 565 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Tridax balbisioides (Kunth) A.Gray A. M. Powell 566 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Tridax balbisioides (Kunth) A.Gray A. M. Powell 569 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 570 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 590 7 Aug 1961 Mexico México Along route 57, 51 miles… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 609 10 Aug 1961 Mexico Puebla Puebla Mun. Along route 119,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 611 10 Aug 1961 Mexico Puebla Puebla Mun. Along route 119,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 645 12 Aug 1961 Mexico Veracruz Along route 150, 7 miles… —
Tridax mexicana A.M.Powell A. M. Powell 658 13 Aug 1961 Mexico Puebla Tehuacán Mun. Along route 125,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 750 16 Aug 1961 Mexico Morelos Cuernavaca Mun. Along route 95,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 753 17 Aug 1961 Mexico Guerrero Taxco de Alarcón Mun. Along… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 754 17 Aug 1961 Mexico Guerrero Taxco de Alarcón Mun. Along… —
Tridax mexicana A.M.Powell A. M. Powell 757 18 Aug 1961 Mexico Guerrero Acapulco, east side of city isotype Tridax mexicana A.M.Powell
Tridax platyphylla B.L.Rob. A. M. Powell 766 19 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… —
Tridax petrophila B.L.Rob. & Greenm. A. M. Powell 767 19 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… —
Tridax mexicana A.M.Powell A. M. Powell 771 20 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… —
Tridax purpusii Brandegee A. M. Powell 776 20 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 836 22 Aug 1961 Mexico Michoacán Zamora Mun. Along route 15,… —
Tridax mexicana A.M.Powell A. M. Powell 886 24 Aug 1961 Mexico Jalisco Tequila Mun. Along route 15,… —
Tridax procumbens L. A. M. Powell 891 24 Aug 1961 Mexico Jalisco Tequila Mun. Along route 15,… —
Tridax dubia Rose A. M. Powell 897 25 Aug 1961 Mexico Nayarit San Blas, Nay. —
Tridax procumbens L. A. M. Powell 898 25 Aug 1961 Mexico Nayarit San Blas, Nay. —
Tridax balbisioides (Kunth) A.Gray A. M. Powell 949 26 Aug 1961 Mexico Durango Durango Mun. Along route 40,… —
Tridax balbisioides (Kunth) A.Gray A. M. Powell 952 27 Aug 1961 Mexico Durango Durango Mun. Along route 45,… —
Perityle rupestris (A.Gray) Shinners A. M. Powell 1228 06 Jun 1964 United States of America Texas Jeff Davis Co. ca. 2… — Perityle rupestris (A.Gray) Shinners
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… — Perityle lindheimeri var. halimifolia (A.Gray) A.M.Powell
Perityle lindheimeri (A.Gray) Shinners var. lindheimeri A. M. Powell 1235 20 Jun 1964 United States of America Texas Kendall Co. Edge Falls near… — Perityle lindheimeri (A.Gray) Shinners var. lindheimeri
Perityle lemmonii (A.Gray) A.M.Powell A. M. Powell 1255 14 Jul 1964 United States of America Texas Brewster Co. 4 mi W… — Perityle lemmonii (A.Gray) A.M.Powell
Perityle congesta (M.E.Jones) Shinners A. M. Powell 1264 31 Jul 1964 United States of America Arizona Coconino Co. In crevices of… — Perityle congesta (M.E.Jones) Shinners
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… — Perityle tenella (M.E.Jones) J.F.Macbr.
Perityle gracilis (M.E.Jones) Rydb. A. M. Powell 1272 03 Aug 1964 United States of America Nevada Lincoln Co. Meadow Valley wash… — Perityle gracilis (M.E.Jones) Rydb.
Perityle megalocephala var. megalocephala A. M. Powell 1274 03 Aug 1964 United States of America Nevada Nye Co. ca. 16 mles… — Perityle megalocephala var. megalocephala
Perityle inyoensis (Ferris) A.M.Powell A. M. Powell 1275 04 Aug 1964 United States of America California Inyo Co. In northeast-facing crevices… — Perityle inyoensis (Ferris) A.M.Powell
Perityle staurophylla (Barneby) Shinners A. M. Powell 1276 28 Aug 1964 United States of America New Mexico Otero Co. ca 1.5 mi.… — Perityle staurophylla (Barneby) Shinners
Perityle warnockii A.M.Powell A. M. Powell 1311 11 Oct 1964 United States of America Texas Val Verde Co. Ca. 40-50… isotype Perityle warnockii A.M.Powell
Draba cuneifolia Nutt. var. cuneifolia A. M. Powell 1312 21 Jan 1965 United States of America Texas Presidio Co. Near spring in… — Draba cuneifolia Nutt. var. cuneifolia
Perityle lindheimeri (A.Gray) Shinners var. lindheimeri A. M. Powell 1326 19 Jun 1965 United States of America Texas Real Co. 13 miles west… — Perityle lindheimeri (A.Gray) Shinners var. lindheimeri
Perityle parryi A.Gray A. M. Powell 1396 20 Mar 1966 United States of America Texas Presidio Co. road cut along… — Perityle parryi A.Gray
Melampodium hispidum Kunth A. M. Powell 1546 19 Aug 1967 United States of America Texas Jeff Davis Co. along creek… — Melampodium hispidum Kunth
Perityle rupestris (A.Gray) Shinners A. M. Powell 1555 23 Sep 1967 United States of America Texas Brewster Co. rock bluffs, above… — Perityle rupestris (A.Gray) Shinners
Perityle rupestris (A.Gray) Shinners A. M. Powell 1559 30 Sep 1967 United States of America Texas Jeff Davis Co. bluffs, 15… — Perityle rupestris (A.Gray) Shinners
Dalea formosa Torr. A. M. Powell 1561 10 Apr 1968 United States of America Texas Hudspeth Co. ca 5 mi… — Dalea formosa Torr.
Perityle megalocephala var. oligophylla A.M.Powell A. M. Powell 1612 28 May 1968 United States of America California Inyo Co. Rock bluffs, W.… — Perityle megalocephala var. oligophylla A.M.Powell
Perityle lemmonii (A.Gray) A.M.Powell A. M. Powell 1695 02 Apr 1969 United States of America Arizona Pima Co. Just NW of… — Perityle lemmonii (A.Gray) A.M.Powell
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1705 22 Mar 1970 Mexico Baja California 41.6 miles S of Mexicali —
Malperia tenuis S.Watson A. M. Powell 1725 23 Mar 1970 Mexico Baja California 16 mi S San Felipe — Malperia tenuis S.Watson
Errazurizia megacarpa (S.Watson) I.M.Johnst. A. M. Powell 1727 23 Mar 1970 Mexico Baja California 16 miles S of San… —
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1730 23 Mar 1970 Mexico Baja California 16 mi S San Felipe —
Ambrosia dumosa (A.Gray) W.W.Payne A. M. Powell 1735 23 Mar 1970 Mexico Baja California 16 mi S San Felipe — Ambrosia dumosa (A.Gray) W.W.Payne
Peucephyllum schottii A.Gray A. M. Powell 1738 23 Mar 1970 Mexico Baja California 30 mi S of San… —
Nicolletia trifida Rydb. A. M. Powell 1739 23 Mar 1970 Mexico Baja California 30 mi S of San… —
Marina parryi (Torr. & A.Gray) Barneby A. M. Powell 1746 23 Mar 1970 Mexico Baja California 24 miles S of Puertecitos —
Hofmeisteria fasciculata (Benth.) Walp. A. M. Powell 1747 23 Mar 1970 Mexico Baja California 24 mi S of Puertecitos — Hofmeisteria fasciculata (Benth.) Walp.
Ambrosia ilicifolia (A.Gray) W.W.Payne A. M. Powell 1751 23 Mar 1970 Mexico Baja California About 10 mi S of… — Ambrosia ilicifolia (A.Gray) W.W.Payne
Machaeranthera pinnatifida (Hook.) Shinners A. M. Powell 1757 24 Mar 1970 Mexico Baja California 18 mi S of Bahía… — Machaeranthera pinnatifida (Hook.) Shinners
Calycoseris wrightii A.Gray A. M. Powell 1761 24 March 1970 Mexico Baja California 18 miles S of Bahia… — Calycoseris wrightii A.Gray
Malacothrix glabrata (A.Gray ex D.C. Eaton) A.Gray A. M. Powell 1765 24 Mar 1970 Mexico Baja California 18 mi S of Bahía… — Malacothrix glabrata (A.Gray ex D.C. Eaton) A.Gray
Ambrosia ambrosioides (Cav.) Payne A. M. Powell 1766 24 Mar 1970 Mexico Baja California 18 mi S of Bahía… — Ambrosia ambrosioides (Cav.) Payne
Ambrosia magdalenae (Brandegee) W.W.Payne A. M. Powell 1769 24 Mar 1970 Mexico Baja California Intersection of main road down… — Ambrosia magdalenae (Brandegee) W.W.Payne
Chaenactis stevioides Hook. & Arn. A. M. Powell 1800 25 Mar 1970 Mexico Baja California Ca. 27 miles W of… — Chaenactis stevioides Hook. & Arn.
Layia glandulosa (Hook.) Hook. & Arn. A. M. Powell 1806 26 Mar 1970 Mexico Baja California About 10 mi NE of… — Layia glandulosa (Hook.) Hook. & Arn.
Chaenactis lacera Greene A. M. Powell 1810 26 Mar 1970 Mexico Baja California Sur Los Cabos Mun. San Jose… — Chaenactis lacera Greene
Ambrosia chenopodiifolia (Benth.) W.W.Payne A. M. Powell 1816 26 Mar 1970 Mexico Baja California 10 mi NW of El… — Ambrosia chenopodiifolia (Benth.) W.W.Payne
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1818 27 Mar 1970 Mexico Baja California Sur 25 mi S of El… —
Ambrosia ambrosioides (Cav.) Payne A. M. Powell 1838 29 Mar 1970 Mexico Baja California Sur 11 mi W Loreto and… — Ambrosia ambrosioides (Cav.) Payne
Perityle crassifolia (Brandegee) var. crassifolia A. M. Powell 1849 31 Mar 1970 Mexico Baja California Sur La Paz Mun. Punta Arena,… —
Perityle turneri A.M.Powell A. M. Powell 1857 2 Apr 1970 Mexico Sinaloa Concordia Mun. 2.2 mi E… —
Perityle turneri A.M.Powell A. M. Powell 1858 02 Apr 1970 Mexico Chihuahua 3.4 miles east of El… isotype Perityle turneri A.M.Powell
Heuchera wellsiae R.A.Folk A. M. Powell 1860 02 Apr 1970 Mexico Durango 3.4 miles E of El… holotype Heuchera wellsiae R.A.Folk
Hymenoxys linearifolia Hook. A. M. Powell 1872 16 Apr 1970 United States of America Texas Ward Co. 2 miles W… — Hymenoxys linearifolia Hook.
Selinocarpus gypsophilus B.A.Fowler A. M. Powell 2105 25 May 1971 Mexico Chihuahua Ca. 15 miles southwest of… isotype Selinocarpus gypsophilus B.A.Fowler
Mentzelia humilis (A.Gray) J.Darl. A. M. Powell 2132 23 Jun 1971 United States of America Texas Culberson Co. gyp hills 35… — Mentzelia humilis (A.Gray) J.Darl.
Sphaeralcea A. M. Powell 2353 14 Jun 1972 United States of America Texas Ward Co. low gypsum ridges… — Sphaeralcea
Nerisyrenia linearifolia (S.Watson) Greene A. M. Powell 2354 14 Jun 1972 United States of America Texas Ward Co. ca 6 mi… — Nerisyrenia linearifolia (S.Watson) Greene
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… — Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson