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Tridax mexicana A.M.Powell
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A. M. Powell 757 |
18 Aug 1961 |
Mexico |
Guerrero |
Acapulco, east side of city |
isotype |
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Perityle turneri A.M.Powell
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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.
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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
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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.
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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
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A. M. Powell 2105 |
25 May 1971 |
Mexico |
Chihuahua |
Ca. 15 miles southwest of… |
isotype |
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Perityle warnockii A.M.Powell
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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
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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.
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A. M. Powell 2568 |
20 Aug 1973 |
Mexico |
San Luis Potosí |
Matehuala Mun. 1 mi N… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
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A. M. Powell 645 |
12 Aug 1961 |
Mexico |
Veracruz |
Along route 150, 7 miles… |
— |
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Layia glandulosa (Hook.) Hook. & Arn.
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A. M. Powell 1806 |
26 Mar 1970 |
Mexico |
Baja California |
About 10 mi NE of… |
— |
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Peucephyllum schottii A.Gray
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A. M. Powell 1738 |
23 Mar 1970 |
Mexico |
Baja California |
30 mi S of San… |
— |
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Nicolletia trifida Rydb.
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A. M. Powell 1739 |
23 Mar 1970 |
Mexico |
Baja California |
30 mi S of San… |
— |
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Palafoxia arida B.L.Turner & M.I.Morris
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A. M. Powell 1730 |
23 Mar 1970 |
Mexico |
Baja California |
16 mi S San Felipe |
— |
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Palafoxia arida B.L.Turner & M.I.Morris
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A. M. Powell 1705 |
22 Mar 1970 |
Mexico |
Baja California |
41.6 miles S of Mexicali |
— |
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Palafoxia arida B.L.Turner & M.I.Morris
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A. M. Powell 1818 |
27 Mar 1970 |
Mexico |
Baja California Sur |
25 mi S of El… |
— |
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Sartwellia puberula Rydb.
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A. M. Powell 2548 |
19 Aug 1973 |
Mexico |
Coahuila |
0.5 mi S of Estacion… |
— |
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Flaveria oppositifolia (DC.) Rydb.
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A. M. Powell 2710 |
21 May 1974 |
Mexico |
Coahuila |
3 mi NW of Nadadores |
— |
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Viguiera stenoloba S.F.Blake
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A. M. Powell 2692 |
20 May 1974 |
Mexico |
Coahuila |
Mountain pass, 33 mi NE… |
— |
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Tridax dubia Rose
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A. M. Powell 897 |
25 Aug 1961 |
Mexico |
Nayarit |
San Blas, Nay. |
— |
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Tridax procumbens L.
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A. M. Powell 898 |
25 Aug 1961 |
Mexico |
Nayarit |
San Blas, Nay. |
— |
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Tridax coronopifolia (Kunth) Hemsl.
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A. M. Powell 590A |
7 Aug 1961 |
Mexico |
México |
Along route 57, 51 miles… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
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A. M. Powell 590 |
7 Aug 1961 |
Mexico |
México |
Along route 57, 51 miles… |
— |
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Sartwellia mexicana A.Gray ex S.Watson
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A. M. Powell 2592 |
21 Aug 1973 |
Mexico |
Zacatecas |
55 mi N of junction… |
— |
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Dalea formosa Torr.
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A. M. Powell 3070 |
25 Mar 1977 |
United States of America |
Texas |
Val Verde Co. Langtry. |
— |
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