Displaying 1 - 25 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
Quercus hinckleyi C.H.Müll. A. M. Powell 2800 01 Nov 1974 United States of America Texas Presidio Co. Ca. 50 yards… — 24061 Quercus hinckleyi C.H.Müll.
Flaveria brownii A.M.Powell A. M. Powell 2802 30 Dec 1974 United States of America Texas San Patricio Co. Port Aransas,… isotype 169329 Flaveria brownii A.M.Powell
Penstemon ambiguus Torr. A. M. Powell 2848 10 Jun 1976 United States of America Texas Hudspeth Co. White gypsum dunes,… — 569751 Penstemon ambiguus Torr.
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
Perityle warnockii A.M.Powell A. M. Powell 1311 11 Oct 1964 United States of America Texas Val Verde Co. Ca. 40-50… isotype 231047 Perityle warnockii A.M.Powell
Perityle fosteri A.M.Powell A. M. Powell 3365 03 Jul 1978 United States of America Texas Culberson Co. Apache Mts., Panther… isotype 231040 Perityle fosteri A.M.Powell
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