Displaying 1 - 50 out of 125 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode
Tridax mexicana A.M.Powell A. M. Powell 757 18 Aug 1961 Mexico Guerrero Acapulco, east side of city isotype 274222 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 231077 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 342152 Selinocarpus gypsophilus B.A.Fowler
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 645 12 Aug 1961 Mexico Veracruz Along route 150, 7 miles… — 433225
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… — 368167
Machaeranthera pinnatifida (Hook.) Shinners A. M. Powell 1757 24 Mar 1970 Mexico Baja California 18 mi S of Bahía… — 368148
Chaenactis stevioides Hook. & Arn. A. M. Powell 1800 25 Mar 1970 Mexico Baja California Ca. 27 miles W of… — 366850
Hofmeisteria fasciculata (Benth.) Walp. A. M. Powell 1747 23 Mar 1970 Mexico Baja California 24 mi S of Puertecitos — 422520
Layia glandulosa (Hook.) Hook. & Arn. A. M. Powell 1806 26 Mar 1970 Mexico Baja California About 10 mi NE of… — 423164 Layia glandulosa (Hook.) Hook. & Arn.
Brickellia A. M. Powell 1805a 25 Mar 1970 Mexico Baja California 4 mi S of Bahia… — 363652
Malperia tenuis S.Watson A. M. Powell 1725 23 Mar 1970 Mexico Baja California 16 mi S San Felipe — 368171
Ambrosia dumosa (A.Gray) W.W.Payne A. M. Powell 1735 23 Mar 1970 Mexico Baja California 16 mi S San Felipe — 359855
Peucephyllum schottii A.Gray A. M. Powell 1738 23 Mar 1970 Mexico Baja California 30 mi S of San… — 426269
Nicolletia trifida Rydb. A. M. Powell 1739 23 Mar 1970 Mexico Baja California 30 mi S of San… — 425499
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1730 23 Mar 1970 Mexico Baja California 16 mi S San Felipe — 425632
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1705 22 Mar 1970 Mexico Baja California 41.6 miles S of Mexicali — 425630
Ambrosia magdalenae (Brandegee) W.W.Payne A. M. Powell 1769 24 Mar 1970 Mexico Baja California Intersection of main road down… — 359887
Ambrosia chenopodiifolia (Benth.) W.W.Payne A. M. Powell 1816 26 Mar 1970 Mexico Baja California 10 mi NW of El… — 359761
Ambrosia ambrosioides (Cav.) Payne A. M. Powell 1766 24 Mar 1970 Mexico Baja California 18 mi S of Bahía… — 359683
Ambrosia ilicifolia (A.Gray) W.W.Payne A. M. Powell 1751 23 Mar 1970 Mexico Baja California About 10 mi S of… — 359876
Palafoxia arida B.L.Turner & M.I.Morris A. M. Powell 1818 27 Mar 1970 Mexico Baja California Sur 25 mi S of El… — 425633
Ambrosia ambrosioides (Cav.) Payne A. M. Powell 1838 29 Mar 1970 Mexico Baja California Sur 11 mi W Loreto and… — 359684
Sartwellia puberula Rydb. A. M. Powell 2548 19 Aug 1973 Mexico Coahuila 0.5 mi S of Estacion… — 426812
Haploesthes robusta I.M.Johnst. A. M. Powell 2619 23 Aug 1973 Mexico Coahuila Ca. 3-4 mi SW of… — 367888
Flaveria A. M. Powell 2611 22 Aug 1973 Mexico Coahuila 39 miles N of San… — 367712
Flaveria oppositifolia (DC.) Rydb. A. M. Powell 2710 21 May 1974 Mexico Coahuila 3 mi NW of Nadadores — 417809 Flaveria oppositifolia (DC.) Rydb.
Viguiera stenoloba S.F.Blake A. M. Powell 2692 20 May 1974 Mexico Coahuila Mountain pass, 33 mi NE… — 434819
Tridax dubia Rose A. M. Powell 897 25 Aug 1961 Mexico Nayarit San Blas, Nay. — 433228
Tridax procumbens L. A. M. Powell 898 25 Aug 1961 Mexico Nayarit San Blas, Nay. — 433270
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 590A 7 Aug 1961 Mexico México Along route 57, 51 miles… — 433190
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 590 7 Aug 1961 Mexico México Along route 57, 51 miles… — 433222
Sartwellia mexicana A.Gray ex S.Watson A. M. Powell 2592 21 Aug 1973 Mexico Zacatecas 55 mi N of junction… — 426807
Flaveria oppositifolia (DC.) Rydb. A. M. Powell 2593 21 Aug 1973 Mexico Zacatecas 55 mi N of junction… — 417810
Calycoseris wrightii A.Gray A. M. Powell 1761 24 March 1970 Mexico Baja California 18 miles S of Bahia… — 2030701 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 02497211 Heuchera wellsiae R.A.Folk
Tridax balbisioides (Kunth) A.Gray A. M. Powell 949 26 Aug 1961 Mexico Durango Durango Mun. Along route 40,… — 433173
Tridax balbisioides (Kunth) A.Gray A. M. Powell 952 27 Aug 1961 Mexico Durango Durango Mun. Along route 45,… — 433174
Tridax mexicana A.M.Powell A. M. Powell 886 24 Aug 1961 Mexico Jalisco Tequila Mun. Along route 15,… — 433238
Tridax procumbens L. A. M. Powell 891 24 Aug 1961 Mexico Jalisco Tequila Mun. Along route 15,… — 433263
Perityle crassifolia (Brandegee) var. crassifolia A. M. Powell 1849 31 Mar 1970 Mexico Baja California Sur La Paz Mun. Punta Arena,… — 426050
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 750 16 Aug 1961 Mexico Morelos Cuernavaca Mun. Along route 95,… — 433220
Tridax petrophila B.L.Rob. & Greenm. A. M. Powell 767 19 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… — 433256
Tridax platyphylla B.L.Rob. A. M. Powell 766 19 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… — 433257
Tridax mexicana A.M.Powell A. M. Powell 771 20 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… — 433233
Tridax purpusii Brandegee A. M. Powell 776 20 Aug 1961 Mexico Guerrero Acapulco de Juárez Mun. Along… — 433308
Flaveria anomala B.L.Rob. A. M. Powell 2568 20 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 1 mi N… — 367696
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 609 10 Aug 1961 Mexico Puebla Puebla Mun. Along route 119,… — 433192
Tridax coronopifolia (Kunth) Hemsl. A. M. Powell 611 10 Aug 1961 Mexico Puebla Puebla Mun. Along route 119,… — 433218
Sartwellia mexicana A.Gray ex S.Watson A. M. Powell 2580 21 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 28 mi S… — 426806
Flaveria anomala B.L.Rob. A. M. Powell 2579 21 Aug 1973 Mexico San Luis Potosí Matehuala Mun. 28 mi S… — 417799