Displaying 51 - 100 out of 125 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Opuntia macrocentra Engelm. A. M. Powell 6022 04 Feb 1994 United States of America Texas Presidio Co. Trans-Pecos, ca. 30… — Opuntia macrocentra Engelm.
Sphaeralcea A. M. Powell 2353 14 Jun 1972 United States of America Texas Ward Co. low gypsum ridges… — Sphaeralcea
Amsonia longiflora Torr. A. M. Powell 2931 23 Jun 1976 United States of America Texas Hudspeth Co. Mayfield Canyon, S… — Amsonia longiflora Torr.
Flaveria Juss. A. M. Powell 2611 22 Aug 1973 Mexico Coahuila 39 miles N of San… — Flaveria Juss.
Forestiera pubescens Nutt. A. M. Powell 2851 11 Jun 1976 United States of America Texas Hudspeth Co. saline-gypsum flats, near… — Forestiera pubescens Nutt.
Quercus pungens Liebm. A. M. Powell 5772 12 Oct 1991 United States of America Texas Hudspeth Co. Eagle Mountains, WNW… — Quercus pungens Liebm.
Melampodium hispidum Kunth A. M. Powell 1546 19 Aug 1967 United States of America Texas Jeff Davis Co. along creek… — Melampodium hispidum Kunth
Flaveria chlorifolia A.Gray A. M. Powell 2799 27 Oct 1974 United States of America Texas Reeves Co. Beside a concrete… — Flaveria chlorifolia A.Gray
Eysenhardtia texana Scheele A. M. Powell 3007 01 Aug 1976 United States of America Texas Val Verde Co. hillsides, ca.… — Eysenhardtia texana Scheele
Agropyron Gaertn. A. M. Powell 5871 23 Jul 1992 United States of America New Mexico Otero Co. Near Cloudcroft. — Agropyron Gaertn.
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,… —
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,… —
Perityle crassifolia (Brandegee) var. crassifolia A. M. Powell 1849 31 Mar 1970 Mexico Baja California Sur La Paz Mun. Punta Arena,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 750 16 Aug 1961 Mexico Morelos Cuernavaca Mun. Along route 95,… —
Tridax petrophila B.L.Rob. & Greenm. A. M. Powell 767 19 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… —
Tridax platyphylla B.L.Rob. A. M. Powell 766 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 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,… —
Sartwellia mexicana A.Gray ex S.Watson A. M. Powell 2580 21 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 28 mi S… —
Flaveria oppositifolia (DC.) Rydb. A. M. Powell 2551 20 Aug 1973 Mexico Coahuila Arteaga Mun. Low places at… — Flaveria oppositifolia (DC.) Rydb.
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 836 22 Aug 1961 Mexico Michoacán Zamora Mun. Along route 15,… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 754 17 Aug 1961 Mexico Guerrero Taxco de Alarcón Mun. Along… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 753 17 Aug 1961 Mexico Guerrero Taxco de Alarcón Mun. Along… —
Tridax mexicana A.M.Powell A. M. Powell 658 13 Aug 1961 Mexico Puebla Tehuacán Mun. Along route 125,… —
Tridax balbisioides (Kunth) A.Gray A. M. Powell 566 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Tridax procumbens L. A. M. Powell 565 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 balbisioides (Kunth) A.Gray A. M. Powell 569 6 Aug 1961 Mexico San Luis Potosí San Luis Potosí Mun. Along… —
Perityle turneri A.M.Powell A. M. Powell 1857 2 Apr 1970 Mexico Sinaloa Concordia Mun. 2.2 mi E… —
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
Errazurizia megacarpa (S.Watson) I.M.Johnst. A. M. Powell 1727 23 Mar 1970 Mexico Baja California 16 miles S of San… —
Marina parryi (Torr. & A.Gray) Barneby A. M. Powell 1746 23 Mar 1970 Mexico Baja California 24 miles S of Puertecitos —
Brongniartia minutifolia S.Watson A. M. Powell 3631 29 Aug 1981 United States of America Texas Brewster Co. low white hills,… — Brongniartia minutifolia S.Watson
Senegalia roemeriana (Scheele) Britton & Rose A. M. Powell 3750 09 Jul 1982 United States of America Texas Brewster Co. limestone hills W… — Senegalia roemeriana (Scheele) Britton & Rose
Pomaria jamesii (Torr. & A.Gray) Walp. A. M. Powell 2849 10 Jun 1976 United States of America Texas Hudspeth Co. white gypsum dunes,… — Pomaria jamesii (Torr. & A.Gray) Walp.
Amelanchier denticulata (Kunth) K.Koch A. M. Powell 2810 07 Jun 1975 United States of America Texas Presidio Co. Along the Right… — Amelanchier denticulata (Kunth) K.Koch
Flaveria brownii A.M.Powell A. M. Powell 2802 30 Dec 1974 United States of America Texas San Patricio Co. Port Aransas,… — Flaveria brownii A.M.Powell
Flaveria chlorifolia A.Gray A. M. Powell 3036 18 Sep 1976 United States of America Texas Culberson Co. Rustler Springs at… — Flaveria chlorifolia A.Gray
Flaveria trinervia (Spreng.) C.Mohr A. M. Powell 3037 04 Sep 1976 United States of America Texas Culberson Co. Rustler Springs at… — Flaveria trinervia (Spreng.) C.Mohr
Haploësthes greggii A.Gray var. greggii A. M. Powell 2787 19 Jul 1974 United States of America Texas Crosby Co. Near roadside, just… — Haploësthes greggii A.Gray var. greggii
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… — Haploesthes greggii var. texana (J.M.Coult.) I.M.Johnst.
Hymenoxys linearifolia Hook. A. M. Powell 1872 16 Apr 1970 United States of America Texas Ward Co. 2 miles W… — Hymenoxys linearifolia Hook.
Isocoma veneta (Kunth) Greene A. M. Powell 2788 24 Aug 1974 United States of America Texas Culberson Co. roadside, Hwy 54,… — Isocoma veneta (Kunth) Greene
Poliomintha incana (Torr.) A.Gray A. M. Powell 2844 10 Jun 1976 United States of America Texas Hudspeth Co. White gypsum dunes,… — Poliomintha incana (Torr.) A.Gray
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 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.