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Tridax mexicana A.M.Powell
|
A. M. Powell 757 |
18 Aug 1961 |
Mexico |
Guerrero |
Acapulco, east side of city |
isotype |
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Perityle turneri A.M.Powell
|
A. M. Powell 1858 |
02 Apr 1970 |
Mexico |
Chihuahua |
3.4 miles east of El… |
isotype |
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Quercus hinckleyi C.H.Müll.
|
A. M. Powell 2800 |
01 Nov 1974 |
United States of America |
Texas |
Presidio Co. Ca. 50 yards… |
— |
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Flaveria brownii A.M.Powell
|
A. M. Powell 2802 |
30 Dec 1974 |
United States of America |
Texas |
San Patricio Co. Port Aransas,… |
isotype |
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Penstemon ambiguus Torr.
|
A. M. Powell 2848 |
10 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. White gypsum dunes,… |
— |
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Selinocarpus gypsophilus B.A.Fowler
|
A. M. Powell 2105 |
25 May 1971 |
Mexico |
Chihuahua |
Ca. 15 miles southwest of… |
isotype |
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Perityle warnockii A.M.Powell
|
A. M. Powell 1311 |
11 Oct 1964 |
United States of America |
Texas |
Val Verde Co. Ca. 40-50… |
isotype |
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Perityle fosteri A.M.Powell
|
A. M. Powell 3365 |
03 Jul 1978 |
United States of America |
Texas |
Culberson Co. Apache Mts., Panther… |
isotype |
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Flaveria anomala B.L.Rob.
|
A. M. Powell 2568 |
20 Aug 1973 |
Mexico |
San Luis Potosí |
Matehuala Mun. 1 mi N… |
— |
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Layia glandulosa (Hook.) Hook. & Arn.
|
A. M. Powell 1806 |
26 Mar 1970 |
Mexico |
Baja California |
About 10 mi NE of… |
— |
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Flaveria oppositifolia (DC.) Rydb.
|
A. M. Powell 2710 |
21 May 1974 |
Mexico |
Coahuila |
3 mi NW of Nadadores |
— |
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Dalea formosa Torr.
|
A. M. Powell 3070 |
25 Mar 1977 |
United States of America |
Texas |
Val Verde Co. Langtry. |
— |
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Dalea formosa Torr.
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A. M. Powell 3071 |
25 Mar 1977 |
United States of America |
Texas |
Terrell Co. hills 3 mi… |
— |
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Dalea formosa Torr.
|
A. M. Powell 3067 |
21 Mar 1977 |
United States of America |
Texas |
Terrell Co. 12 mi E… |
— |
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Dalea formosa Torr.
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A. M. Powell 1561 |
10 Apr 1968 |
United States of America |
Texas |
Hudspeth Co. ca 5 mi… |
— |
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Dalea formosa Torr.
|
A. M. Powell 3076 |
02 Apr 1977 |
United States of America |
Texas |
Brewster Co. ca 9 mi… |
— |
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Dalea frutescens A.Gray
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A. M. Powell 2454 |
12 Sep 1972 |
United States of America |
Texas |
Brewster Co. ca 13 mi… |
— |
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Calycoseris wrightii A.Gray
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A. M. Powell 1761 |
24 March 1970 |
Mexico |
Baja California |
18 miles S of Bahia… |
— |
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Heuchera wellsiae R.A.Folk
|
A. M. Powell 1860 |
02 Apr 1970 |
Mexico |
Durango |
3.4 miles E of El… |
holotype |
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Perityle rupestris (A.Gray) Shinners
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A. M. Powell 1555 |
23 Sep 1967 |
United States of America |
Texas |
Brewster Co. rock bluffs, above… |
— |
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Perityle rupestris (A.Gray) Shinners
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A. M. Powell 1228 |
06 Jun 1964 |
United States of America |
Texas |
Jeff Davis Co. ca. 2… |
— |
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Perityle rupestris (A.Gray) Shinners
|
A. M. Powell 1559 |
30 Sep 1967 |
United States of America |
Texas |
Jeff Davis Co. bluffs, 15… |
— |
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Perityle staurophylla (Barneby) Shinners
|
A. M. Powell 1276 |
28 Aug 1964 |
United States of America |
New Mexico |
Otero Co. ca 1.5 mi.… |
— |
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Perityle tenella (M.E.Jones) J.F.Macbr.
|
A. M. Powell 1267 |
31 Jul 1964 |
United States of America |
Utah |
Washington Co. ca. 1/2 to… |
— |
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Nerisyrenia linearifolia (S.Watson) Greene
|
A. M. Powell 2354 |
14 Jun 1972 |
United States of America |
Texas |
Ward Co. ca 6 mi… |
— |
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Draba cuneifolia Nutt. var. cuneifolia
|
A. M. Powell 1312 |
21 Jan 1965 |
United States of America |
Texas |
Presidio Co. Near spring in… |
— |
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Draba cuneifolia Nutt.
|
A. M. Powell 6506 |
29 Mar 2005 |
United States of America |
Texas |
Brewster Co. ca 9 mi… |
— |
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Calylophus
|
A. M. Powell 2359 |
14 Jun 1972 |
United States of America |
Texas |
Ward Co. ca 6 mi… |
— |
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Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson
|
A. M. Powell 2355 |
14 Jun 1972 |
United States of America |
Texas |
Ward Co. ca 6 mi… |
— |
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Gaura
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A. M. Powell 2360 |
14 Jun 1972 |
United States of America |
Texas |
Ward Co. ca 6 mi… |
— |
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Abronia angustifolia Greene
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A. M. Powell 2846 |
10 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. White gypsum dunes,… |
— |
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Mirabilis multiflora (Torr.) A.Gray
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A. M. Powell 3004 |
12 Jul 1976 |
United States of America |
Texas |
El Paso Co. south end… |
— |
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Asclepias subverticillata (A.Gray) Vail
|
A. M. Powell 3002 |
12 Jul 1976 |
United States of America |
Texas |
El Paso Co. south end… |
— |
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Mentzelia humilis (A.Gray) J.Darl.
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A. M. Powell 2132 |
23 Jun 1971 |
United States of America |
Texas |
Culberson Co. gyp hills 35… |
— |
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Mentzelia mexicana H.J.Thomps. & Zavort.
|
A. M. Powell 3026 |
16 Aug 1976 |
United States of America |
Texas |
Brewster Co. roadcut in the… |
— |
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Trianthema portulacastrum L.
|
A. M. Powell 6001 |
12 Aug 1993 |
United States of America |
Texas |
Presidio Co. Roadside in drainage,… |
— |
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Batesimalva violacea (Rose) Fryxell
|
A. M. Powell 3632 |
19 Sep 1981 |
United States of America |
Texas |
Brewster Co. Big Bend Nat'l… |
— |
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Opuntia macrocentra Engelm.
|
A. M. Powell 6022 |
04 Feb 1994 |
United States of America |
Texas |
Presidio Co. Trans-Pecos, ca. 30… |
— |
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Sphaeralcea
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A. M. Powell 2353 |
14 Jun 1972 |
United States of America |
Texas |
Ward Co. low gypsum ridges… |
— |
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Amsonia longiflora Torr.
|
A. M. Powell 2931 |
23 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. Mayfield Canyon, S… |
— |
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Flaveria Juss.
|
A. M. Powell 2611 |
22 Aug 1973 |
Mexico |
Coahuila |
39 miles N of San… |
— |
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Forestiera pubescens Nutt.
|
A. M. Powell 2851 |
11 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. saline-gypsum flats, near… |
— |
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Quercus pungens Liebm.
|
A. M. Powell 5772 |
12 Oct 1991 |
United States of America |
Texas |
Hudspeth Co. Eagle Mountains, WNW… |
— |
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Melampodium hispidum Kunth
|
A. M. Powell 1546 |
19 Aug 1967 |
United States of America |
Texas |
Jeff Davis Co. along creek… |
— |
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Flaveria chlorifolia A.Gray
|
A. M. Powell 2799 |
27 Oct 1974 |
United States of America |
Texas |
Reeves Co. Beside a concrete… |
— |
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Eysenhardtia texana Scheele
|
A. M. Powell 3007 |
01 Aug 1976 |
United States of America |
Texas |
Val Verde Co. hillsides, ca.… |
— |
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Agropyron Gaertn.
|
A. M. Powell 5871 |
23 Jul 1992 |
United States of America |
New Mexico |
Otero Co. Near Cloudcroft. |
— |
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Flaveria oppositifolia (DC.) Rydb.
|
A. M. Powell 2551 |
20 Aug 1973 |
Mexico |
Coahuila |
Arteaga Mun. Low places at… |
— |
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Perityle lemmonii (A.Gray) A.M.Powell
|
A. M. Powell 1695 |
02 Apr 1969 |
United States of America |
Arizona |
Pima Co. Just NW of… |
— |
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Brongniartia minutifolia S.Watson
|
A. M. Powell 3631 |
29 Aug 1981 |
United States of America |
Texas |
Brewster Co. low white hills,… |
— |
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Senegalia roemeriana (Scheele) Britton & Rose
|
A. M. Powell 3750 |
09 Jul 1982 |
United States of America |
Texas |
Brewster Co. limestone hills W… |
— |
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Pomaria jamesii (Torr. & A.Gray) Walp.
|
A. M. Powell 2849 |
10 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. white gypsum dunes,… |
— |
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Amelanchier denticulata (Kunth) K.Koch
|
A. M. Powell 2810 |
07 Jun 1975 |
United States of America |
Texas |
Presidio Co. Along the Right… |
— |
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Flaveria brownii A.M.Powell
|
A. M. Powell 2802 |
30 Dec 1974 |
United States of America |
Texas |
San Patricio Co. Port Aransas,… |
— |
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Flaveria chlorifolia A.Gray
|
A. M. Powell 3036 |
18 Sep 1976 |
United States of America |
Texas |
Culberson Co. Rustler Springs at… |
— |
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Flaveria trinervia (Spreng.) C.Mohr
|
A. M. Powell 3037 |
04 Sep 1976 |
United States of America |
Texas |
Culberson Co. Rustler Springs at… |
— |
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Haploësthes greggii A.Gray var. greggii
|
A. M. Powell 2787 |
19 Jul 1974 |
United States of America |
Texas |
Crosby Co. Near roadside, just… |
— |
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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… |
— |
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Hymenoxys linearifolia Hook.
|
A. M. Powell 1872 |
16 Apr 1970 |
United States of America |
Texas |
Ward Co. 2 miles W… |
— |
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Isocoma veneta (Kunth) Greene
|
A. M. Powell 2788 |
24 Aug 1974 |
United States of America |
Texas |
Culberson Co. roadside, Hwy 54,… |
— |
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Poliomintha incana (Torr.) A.Gray
|
A. M. Powell 2844 |
10 Jun 1976 |
United States of America |
Texas |
Hudspeth Co. White gypsum dunes,… |
— |
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Perityle congesta (M.E.Jones) Shinners
|
A. M. Powell 1264 |
31 Jul 1964 |
United States of America |
Arizona |
Coconino Co. In crevices of… |
— |
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Perityle gracilis (M.E.Jones) Rydb.
|
A. M. Powell 1272 |
03 Aug 1964 |
United States of America |
Nevada |
Lincoln Co. Meadow Valley wash… |
— |
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Perityle inyoensis (Ferris) A.M.Powell
|
A. M. Powell 1275 |
04 Aug 1964 |
United States of America |
California |
Inyo Co. In northeast-facing crevices… |
— |
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Perityle lemmonii (A.Gray) A.M.Powell
|
A. M. Powell 1255 |
14 Jul 1964 |
United States of America |
Texas |
Brewster Co. 4 mi W… |
— |
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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… |
— |
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Perityle lindheimeri (A.Gray) Shinners var. lindheimeri
|
A. M. Powell 1235 |
20 Jun 1964 |
United States of America |
Texas |
Kendall Co. Edge Falls near… |
— |
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Perityle lindheimeri (A.Gray) Shinners var. lindheimeri
|
A. M. Powell 1326 |
19 Jun 1965 |
United States of America |
Texas |
Real Co. 13 miles west… |
— |
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Perityle megalocephala var. oligophylla A.M.Powell
|
A. M. Powell 1612 |
28 May 1968 |
United States of America |
California |
Inyo Co. Rock bluffs, W.… |
— |
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Perityle megalocephala var. megalocephala
|
A. M. Powell 1274 |
03 Aug 1964 |
United States of America |
Nevada |
Nye Co. ca. 16 mles… |
— |
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Perityle parryi A.Gray
|
A. M. Powell 1396 |
20 Mar 1966 |
United States of America |
Texas |
Presidio Co. road cut along… |
— |
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Flaveria anomala B.L.Rob.
|
A. M. Powell 2559 |
20 Aug 1973 |
Mexico |
Nuevo León |
Galeana Mun. 7.5 mi S… |
— |
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Flaveria anomala B.L.Rob.
|
A. M. Powell 2579 |
21 Aug 1973 |
Mexico |
San Luis Potosí |
Matehuala Mun. 28 mi S… |
— |
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Ambrosia ambrosioides (Cav.) Payne
|
A. M. Powell 1838 |
29 Mar 1970 |
Mexico |
Baja California Sur |
11 mi W Loreto and… |
— |
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Haploesthes robusta I.M.Johnst.
|
A. M. Powell 2619 |
23 Aug 1973 |
Mexico |
Coahuila |
Ca. 3-4 mi SW of… |
— |
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