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Perityle lemmonii (A.Gray) A.M.Powell
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A. M. Powell 1695 |
02 Apr 1969 |
United States of America |
Arizona |
Pima Co. Just NW of… |
— |
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Perityle congesta (M.E.Jones) Shinners
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A. M. Powell 1264 |
31 Jul 1964 |
United States of America |
Arizona |
Coconino Co. In crevices of… |
— |
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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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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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Errazurizia megacarpa (S.Watson) I.M.Johnst.
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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
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A. M. Powell 1746 |
23 Mar 1970 |
Mexico |
Baja California |
24 miles S of Puertecitos |
— |
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Machaeranthera pinnatifida (Hook.) Shinners
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A. M. Powell 1757 |
24 Mar 1970 |
Mexico |
Baja California |
18 mi S of Bahía… |
— |
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Chaenactis stevioides Hook. & Arn.
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A. M. Powell 1800 |
25 Mar 1970 |
Mexico |
Baja California |
Ca. 27 miles W of… |
— |
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Brickellia
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A. M. Powell 1805a |
25 Mar 1970 |
Mexico |
Baja California |
4 mi S of Bahia… |
— |
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Ambrosia dumosa (A.Gray) W.W.Payne
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A. M. Powell 1735 |
23 Mar 1970 |
Mexico |
Baja California |
16 mi S San Felipe |
— |
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Ambrosia magdalenae (Brandegee) W.W.Payne
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A. M. Powell 1769 |
24 Mar 1970 |
Mexico |
Baja California |
Intersection of main road down… |
— |
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Ambrosia chenopodiifolia (Benth.) W.W.Payne
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A. M. Powell 1816 |
26 Mar 1970 |
Mexico |
Baja California |
10 mi NW of El… |
— |
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Ambrosia ambrosioides (Cav.) Payne
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A. M. Powell 1766 |
24 Mar 1970 |
Mexico |
Baja California |
18 mi S of Bahía… |
— |
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Ambrosia ilicifolia (A.Gray) W.W.Payne
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A. M. Powell 1751 |
23 Mar 1970 |
Mexico |
Baja California |
About 10 mi S of… |
— |
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Malacothrix glabrata (A.Gray ex D.C. Eaton) A.Gray
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A. M. Powell 1765 |
24 Mar 1970 |
Mexico |
Baja California |
18 mi S of Bahía… |
— |
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Malperia tenuis S.Watson
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A. M. Powell 1725 |
23 Mar 1970 |
Mexico |
Baja California |
16 mi S San Felipe |
— |
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Hofmeisteria fasciculata (Benth.) Walp.
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A. M. Powell 1747 |
23 Mar 1970 |
Mexico |
Baja California |
24 mi S of Puertecitos |
— |
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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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Perityle crassifolia (Brandegee) var. crassifolia
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A. M. Powell 1849 |
31 Mar 1970 |
Mexico |
Baja California Sur |
La Paz Mun. Punta Arena,… |
— |
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Ambrosia ambrosioides (Cav.) Payne
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A. M. Powell 1838 |
29 Mar 1970 |
Mexico |
Baja California Sur |
11 mi W Loreto and… |
— |
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Chaenactis lacera Greene
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A. M. Powell 1810 |
26 Mar 1970 |
Mexico |
Baja California Sur |
Los Cabos Mun. San Jose… |
— |
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Perityle inyoensis (Ferris) A.M.Powell
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A. M. Powell 1275 |
04 Aug 1964 |
United States of America |
California |
Inyo Co. In northeast-facing crevices… |
— |
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Perityle megalocephala var. oligophylla A.M.Powell
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A. M. Powell 1612 |
28 May 1968 |
United States of America |
California |
Inyo Co. Rock bluffs, W.… |
— |
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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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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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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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Flaveria Juss.
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A. M. Powell 2611 |
22 Aug 1973 |
Mexico |
Coahuila |
39 miles N of San… |
— |
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Flaveria oppositifolia (DC.) Rydb.
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A. M. Powell 2551 |
20 Aug 1973 |
Mexico |
Coahuila |
Arteaga Mun. Low places at… |
— |
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Haploesthes robusta I.M.Johnst.
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A. M. Powell 2619 |
23 Aug 1973 |
Mexico |
Coahuila |
Ca. 3-4 mi SW of… |
— |
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Heuchera wellsiae R.A.Folk
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A. M. Powell 1860 |
02 Apr 1970 |
Mexico |
Durango |
3.4 miles E of El… |
holotype |
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Tridax balbisioides (Kunth) A.Gray
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A. M. Powell 949 |
26 Aug 1961 |
Mexico |
Durango |
Durango Mun. Along route 40,… |
— |
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Tridax balbisioides (Kunth) A.Gray
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A. M. Powell 952 |
27 Aug 1961 |
Mexico |
Durango |
Durango Mun. Along route 45,… |
— |
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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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Tridax petrophila B.L.Rob. & Greenm.
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A. M. Powell 767 |
19 Aug 1961 |
Mexico |
Guerrero |
Acapulco de Juárez Mun. Along… |
— |
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Tridax platyphylla B.L.Rob.
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A. M. Powell 766 |
19 Aug 1961 |
Mexico |
Guerrero |
Acapulco de Juárez Mun. Along… |
— |
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Tridax mexicana A.M.Powell
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A. M. Powell 771 |
20 Aug 1961 |
Mexico |
Guerrero |
Acapulco de Juárez Mun. Along… |
— |
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Tridax purpusii Brandegee
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A. M. Powell 776 |
20 Aug 1961 |
Mexico |
Guerrero |
Acapulco de Juárez Mun. Along… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
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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 886 |
24 Aug 1961 |
Mexico |
Jalisco |
Tequila Mun. Along route 15,… |
— |
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Tridax procumbens L.
|
A. M. Powell 891 |
24 Aug 1961 |
Mexico |
Jalisco |
Tequila Mun. Along route 15,… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 590A |
7 Aug 1961 |
Mexico |
México |
Along route 57, 51 miles… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 590 |
7 Aug 1961 |
Mexico |
México |
Along route 57, 51 miles… |
— |
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Tridax coronopifolia (Kunth) Hemsl.
|
A. M. Powell 836 |
22 Aug 1961 |
Mexico |
Michoacán |
Zamora Mun. Along route 15,… |
— |
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