Specimen List - The William & Lynda Steere Herbarium

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Displaying 1 - 75 out of 125 Object(s)

Taxon	Collector	Date	Country	State/Province	Locality	Type Status	Barcode
Abronia angustifolia Greene	A. M. Powell 2846	10 Jun 1976	United States of America	Texas	Hudspeth Co. White gypsum dunes,…	—	3370285
Agropyron Gaertn.	A. M. Powell 5871	23 Jul 1992	United States of America	New Mexico	Otero Co. Near Cloudcroft.	—	1554443
Ambrosia ambrosioides (Cav.) Payne	A. M. Powell 1766	24 Mar 1970	Mexico	Baja California	18 mi S of Bahía…	—	359683
Ambrosia ambrosioides (Cav.) Payne	A. M. Powell 1838	29 Mar 1970	Mexico	Baja California Sur	11 mi W Loreto and…	—	359684
Ambrosia chenopodiifolia (Benth.) W.W.Payne	A. M. Powell 1816	26 Mar 1970	Mexico	Baja California	10 mi NW of El…	—	359761
Ambrosia dumosa (A.Gray) W.W.Payne	A. M. Powell 1735	23 Mar 1970	Mexico	Baja California	16 mi S San Felipe	—	359855
Ambrosia ilicifolia (A.Gray) W.W.Payne	A. M. Powell 1751	23 Mar 1970	Mexico	Baja California	About 10 mi S of…	—	359876
Ambrosia magdalenae (Brandegee) W.W.Payne	A. M. Powell 1769	24 Mar 1970	Mexico	Baja California	Intersection of main road down…	—	359887
Amelanchier denticulata (Kunth) K.Koch	A. M. Powell 2810	07 Jun 1975	United States of America	Texas	Presidio Co. Along the Right…	—	2721744
Amsonia longiflora Torr.	A. M. Powell 2931	23 Jun 1976	United States of America	Texas	Hudspeth Co. Mayfield Canyon, S…	—	4160898
Asclepias subverticillata (A.Gray) Vail	A. M. Powell 3002	12 Jul 1976	United States of America	Texas	El Paso Co. south end…	—	3528784
Batesimalva violacea (Rose) Fryxell	A. M. Powell 3632	19 Sep 1981	United States of America	Texas	Brewster Co. Big Bend Nat'l…	—	03874184
Brickellia	A. M. Powell 1805a	25 Mar 1970	Mexico	Baja California	4 mi S of Bahia…	—	363652
Brongniartia minutifolia S.Watson	A. M. Powell 3631	29 Aug 1981	United States of America	Texas	Brewster Co. low white hills,…	—	02562055
Calycoseris wrightii A.Gray	A. M. Powell 1761	24 March 1970	Mexico	Baja California	18 miles S of Bahia…	—	2030701
Calylophus	A. M. Powell 2359	14 Jun 1972	United States of America	Texas	Ward Co. ca 6 mi…	—	03169391
Chaenactis lacera Greene	A. M. Powell 1810	26 Mar 1970	Mexico	Baja California Sur	Los Cabos Mun. San Jose…	—	366839
Chaenactis stevioides Hook. & Arn.	A. M. Powell 1800	25 Mar 1970	Mexico	Baja California	Ca. 27 miles W of…	—	366850
Dalea formosa Torr.	A. M. Powell 3070	25 Mar 1977	United States of America	Texas	Val Verde Co. Langtry.	—	01269570
Dalea formosa Torr.	A. M. Powell 3071	25 Mar 1977	United States of America	Texas	Terrell Co. hills 3 mi…	—	01269571
Dalea formosa Torr.	A. M. Powell 3067	21 Mar 1977	United States of America	Texas	Terrell Co. 12 mi E…	—	01269574
Dalea formosa Torr.	A. M. Powell 1561	10 Apr 1968	United States of America	Texas	Hudspeth Co. ca 5 mi…	—	01269622
Dalea formosa Torr.	A. M. Powell 3076	02 Apr 1977	United States of America	Texas	Brewster Co. ca 9 mi…	—	01269625
Dalea frutescens A.Gray	A. M. Powell 2454	12 Sep 1972	United States of America	Texas	Brewster Co. ca 13 mi…	—	01269678
Draba cuneifolia Nutt.	A. M. Powell 6506	29 Mar 2005	United States of America	Texas	Brewster Co. ca 9 mi…	—	03200987
Draba cuneifolia Nutt. var. cuneifolia	A. M. Powell 1312	21 Jan 1965	United States of America	Texas	Presidio Co. Near spring in…	—	3200968
Errazurizia megacarpa (S.Watson) I.M.Johnst.	A. M. Powell 1727	23 Mar 1970	Mexico	Baja California	16 miles S of San…	—	01306769
Eysenhardtia texana Scheele	A. M. Powell 3007	01 Aug 1976	United States of America	Texas	Val Verde Co. hillsides, ca.…	—	2569068
Flaveria	A. M. Powell 2611	22 Aug 1973	Mexico	Coahuila	39 miles N of San…	—	367712
Flaveria anomala B.L.Rob.	A. M. Powell 2568	20 Aug 1973	Mexico	San Luis Potosí	Matehuala Mun. 1 mi N…	—	367696
Flaveria anomala B.L.Rob.	A. M. Powell 2579	21 Aug 1973	Mexico	San Luis Potosí	Matehuala Mun. 28 mi S…	—	417799
Flaveria anomala B.L.Rob.	A. M. Powell 2559	20 Aug 1973	Mexico	Nuevo León	Galeana Mun. 7.5 mi S…	—	417800
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	A. M. Powell 2802	30 Dec 1974	United States of America	Texas	San Patricio Co. Port Aransas,…	—	2872067
Flaveria chlorifolia A.Gray	A. M. Powell 2799	27 Oct 1974	United States of America	Texas	Reeves Co. Beside a concrete…	—	2872103
Flaveria chlorifolia A.Gray	A. M. Powell 3036	18 Sep 1976	United States of America	Texas	Culberson Co. Rustler Springs at…	—	2872104
Flaveria oppositifolia (DC.) Rydb.	A. M. Powell 2710	21 May 1974	Mexico	Coahuila	3 mi NW of Nadadores	—	417809
Flaveria oppositifolia (DC.) Rydb.	A. M. Powell 2593	21 Aug 1973	Mexico	Zacatecas	55 mi N of junction…	—	417810
Flaveria oppositifolia (DC.) Rydb.	A. M. Powell 2551	20 Aug 1973	Mexico	Coahuila	Arteaga Mun. Low places at…	—	417811
Flaveria trinervia (Spreng.) C.Mohr	A. M. Powell 3037	04 Sep 1976	United States of America	Texas	Culberson Co. Rustler Springs at…	—	2872219
Forestiera pubescens Nutt.	A. M. Powell 2851	11 Jun 1976	United States of America	Texas	Hudspeth Co. saline-gypsum flats, near…	—	2498726
Gaura	A. M. Powell 2360	14 Jun 1972	United States of America	Texas	Ward Co. ca 6 mi…	—	3319029
Haploësthes greggii A.Gray var. greggii	A. M. Powell 2787	19 Jul 1974	United States of America	Texas	Crosby Co. Near roadside, just…	—	2881368
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…	—	2881369
Haploesthes robusta I.M.Johnst.	A. M. Powell 2619	23 Aug 1973	Mexico	Coahuila	Ca. 3-4 mi SW of…	—	367888
Heuchera wellsiae R.A.Folk	A. M. Powell 1860	02 Apr 1970	Mexico	Durango	3.4 miles E of El…	holotype	02497211
Hofmeisteria fasciculata (Benth.) Walp.	A. M. Powell 1747	23 Mar 1970	Mexico	Baja California	24 mi S of Puertecitos	—	422520
Hymenoxys linearifolia Hook.	A. M. Powell 1872	16 Apr 1970	United States of America	Texas	Ward Co. 2 miles W…	—	2921777
Isocoma veneta (Kunth) Greene	A. M. Powell 2788	24 Aug 1974	United States of America	Texas	Culberson Co. roadside, Hwy 54,…	—	2924915
Layia glandulosa (Hook.) Hook. & Arn.	A. M. Powell 1806	26 Mar 1970	Mexico	Baja California	About 10 mi NE of…	—	423164
Machaeranthera pinnatifida (Hook.) Shinners	A. M. Powell 1757	24 Mar 1970	Mexico	Baja California	18 mi S of Bahía…	—	368148
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
Malperia tenuis S.Watson	A. M. Powell 1725	23 Mar 1970	Mexico	Baja California	16 mi S San Felipe	—	368171
Marina parryi (Torr. & A.Gray) Barneby	A. M. Powell 1746	23 Mar 1970	Mexico	Baja California	24 miles S of Puertecitos	—	01307337
Melampodium hispidum Kunth	A. M. Powell 1546	19 Aug 1967	United States of America	Texas	Jeff Davis Co. along creek…	—	3079543
Mentzelia humilis (A.Gray) J.Darl.	A. M. Powell 2132	23 Jun 1971	United States of America	Texas	Culberson Co. gyp hills 35…	—	3599908
Mentzelia mexicana H.J.Thomps. & Zavort.	A. M. Powell 3026	16 Aug 1976	United States of America	Texas	Brewster Co. roadcut in the…	—	3600217
Mirabilis multiflora (Torr.) A.Gray	A. M. Powell 3004	12 Jul 1976	United States of America	Texas	El Paso Co. south end…	—	3377930
Nerisyrenia linearifolia (S.Watson) Greene	A. M. Powell 2354	14 Jun 1972	United States of America	Texas	Ward Co. ca 6 mi…	—	3187910
Nicolletia trifida Rydb.	A. M. Powell 1739	23 Mar 1970	Mexico	Baja California	30 mi S of San…	—	425499
Opuntia macrocentra Engelm.	A. M. Powell 6022	04 Feb 1994	United States of America	Texas	Presidio Co. Trans-Pecos, ca. 30…	—	03861490
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
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
Penstemon ambiguus Torr.	A. M. Powell 2848	10 Jun 1976	United States of America	Texas	Hudspeth Co. White gypsum dunes,…	—	569751
Perityle congesta (M.E.Jones) Shinners	A. M. Powell 1264	31 Jul 1964	United States of America	Arizona	Coconino Co. In crevices of…	—	3127770
Perityle crassifolia (Brandegee) var. crassifolia	A. M. Powell 1849	31 Mar 1970	Mexico	Baja California Sur	La Paz Mun. Punta Arena,…	—	426050
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 gracilis (M.E.Jones) Rydb.	A. M. Powell 1272	03 Aug 1964	United States of America	Nevada	Lincoln Co. Meadow Valley wash…	—	3127922
Perityle inyoensis (Ferris) A.M.Powell	A. M. Powell 1275	04 Aug 1964	United States of America	California	Inyo Co. In northeast-facing crevices…	—	3127937
Perityle lemmonii (A.Gray) A.M.Powell	A. M. Powell 1695	02 Apr 1969	United States of America	Arizona	Pima Co. Just NW of…	—	3127952
Perityle lemmonii (A.Gray) A.M.Powell	A. M. Powell 1255	14 Jul 1964	United States of America	Texas	Brewster Co. 4 mi W…	—	3127964
Perityle lindheimeri (A.Gray) Shinners var. lindheimeri	A. M. Powell 1235	20 Jun 1964	United States of America	Texas	Kendall Co. Edge Falls near…	—	3127981
Perityle lindheimeri (A.Gray) Shinners var. lindheimeri	A. M. Powell 1326	19 Jun 1965	United States of America	Texas	Real Co. 13 miles west…	—	3127983
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…	—	03127972