Displaying 1 - 50 out of 125 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
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
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
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
Flaveria anomala B.L.Rob. A. M. Powell 2568 20 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 1 mi N… — Flaveria anomala B.L.Rob.
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 645 12 Aug 1961 Mexico Veracruz Along route 150, 7 miles… —
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.
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… —
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1730 23 Mar 1970 Mexico Baja California 16 mi S San Felipe —
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1705 22 Mar 1970 Mexico Baja California 41.6 miles S of Mexicali —
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1818 27 Mar 1970 Mexico Baja California Sur 25 mi S of El… —
Sartwellia puberula Rydb. A. M. Powell 2548 19 Aug 1973 Mexico Coahuila 0.5 mi S of Estacion… —
Flaveria oppositifolia (DC.) Rydb. A. M. Powell 2710 21 May 1974 Mexico Coahuila 3 mi NW of Nadadores — Flaveria oppositifolia (DC.) Rydb.
Viguiera stenoloba S.F.Blake A. M. Powell 2692 20 May 1974 Mexico Coahuila Mountain pass, 33 mi NE… —
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 coronopifolia (Kunth) Hemsl. A. M. Powell 590A 7 Aug 1961 Mexico México Along route 57, 51 miles… —
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 590 7 Aug 1961 Mexico México Along route 57, 51 miles… —
Sartwellia mexicana A.Gray ex S.Watson A. M. Powell 2592 21 Aug 1973 Mexico Zacatecas 55 mi N of junction… —
Calycoseris wrightii A.Gray A. M. Powell 1761 24 March 1970 Mexico Baja California 18 miles S of Bahia… — Calycoseris wrightii A.Gray
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
Flaveria Juss. A. M. Powell 2611 22 Aug 1973 Mexico Coahuila 39 miles N of San… — Flaveria Juss.
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… —
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 —
Flaveria anomala B.L.Rob. A. M. Powell 2559 20 Aug 1973 Mexico Nuevo León Galeana Mun. 7.5 mi S… — Flaveria anomala B.L.Rob.
Flaveria anomala B.L.Rob. A. M. Powell 2579 21 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 28 mi S… — Flaveria anomala B.L.Rob.
Ambrosia ambrosioides (Cav.) Payne A. M. Powell 1838 29 Mar 1970 Mexico Baja California Sur 11 mi W Loreto and… — Ambrosia ambrosioides (Cav.) Payne