|
Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 754 |
17 Aug 1961 |
Mexico |
Guerrero |
Taxco de Alarcón Mun. Along… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 753 |
17 Aug 1961 |
Mexico |
Guerrero |
Taxco de Alarcón Mun. Along… |
— |
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Tridax mexicana A.M.Powell
|
A. M. Powell 658 |
13 Aug 1961 |
Mexico |
Puebla |
Tehuacán Mun. Along route 125,… |
— |
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Tridax balbisioides (Kunth) A.Gray
|
A. M. Powell 566 |
6 Aug 1961 |
Mexico |
San Luis Potosí |
San Luis Potosí Mun. Along… |
— |
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Tridax procumbens L.
|
A. M. Powell 565 |
6 Aug 1961 |
Mexico |
San Luis Potosí |
San Luis Potosí Mun. Along… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 570 |
6 Aug 1961 |
Mexico |
San Luis Potosí |
San Luis Potosí Mun. Along… |
— |
|
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|
|
|
Tridax balbisioides (Kunth) A.Gray
|
A. M. Powell 569 |
6 Aug 1961 |
Mexico |
San Luis Potosí |
San Luis Potosí Mun. Along… |
— |
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Perityle turneri A.M.Powell
|
A. M. Powell 1857 |
2 Apr 1970 |
Mexico |
Sinaloa |
Concordia Mun. 2.2 mi E… |
— |
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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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Errazurizia megacarpa (S.Watson) I.M.Johnst.
|
A. M. Powell 1727 |
23 Mar 1970 |
Mexico |
Baja California |
16 miles S of San… |
— |
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Marina parryi (Torr. & A.Gray) Barneby
|
A. M. Powell 1746 |
23 Mar 1970 |
Mexico |
Baja California |
24 miles S of Puertecitos |
— |
|
|
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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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|
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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,… |
— |
|
|
|
|
|
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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