DAV
Grady L. Webster 26225 1990-03-26
Mexico, Sonora, Cucurpe, Bluffs above R’o San Miguel, c. 7.5 km SE of Cucurpe, scrub of Prosopis, Celtis, chollas; flowers very pale pink., 30.5 -110.5833333, 1000m
DAV
Grady L. Webster 26210 1990-03-26
Mexico, Sonora, Mpio. Tubutama, Desert scrub c. 6 km SE of Tubutama, on gentle slope, fine brown soil, with Carnegiea, Cercidium, Larrea, Prosopis; rays pale blue, disk yellow., 30.83333333 -111.4166667, 700m
DAV
Grady L. Webster 26220 1990-03-26
Mexico, Sonora, Mpio. Tubutama, Desert scrub with Acacia, Fouquieria, et al, on gravelly slopes c. 15 km SE of Tubutama; flowers whitish., 30.8 -111.4166667, 700m
DAV
W. B. Kibbeey 6054 1925-09-07
Mexico, Sonora, El Alamo, Sonora, Mexico.
DAV
Wm. Anderson s.n. 1969-03-07
Mexico, Sonora, Mexico, Sonora, San Carlos (near Guaymas).
DAV
John M. Tucker 3480 1958-09-09
Mexico, Sonora, Mexico, Sonora; notheast side of Sierra San Jose, ca. 5 mi. south of U.S. border, near Naco
DAV
John M. Tucker 3480 1958-09-09
Mexico, Sonora, Mexico, Sonora; notheast side of Sierra San Jose, ca. 5 mi. south of U.S. border, near Naco
DAV
Grady L. Webster 26235 1990-03-26
Mexico, Sonora, Sonora, Mpio. Cucurpe: bluffs above Rio San Miguel, c. 5 mi by road SE of Cucurpe; scrub of mesquite, hackberry, chollas; petals white., 30.5 -110.5833333, 1000m
DAV
Grady L. Webster 26238 1990-03-26
Mexico, Sonora, Sonora, Mpio. Cucurpe: bluffs above Rio San Miguel, c. 5 mi by road SE of Cucurpe; scrub of mesquite, hackberry, chollas; stems prostrate, petals yellow., 30.5 -110.5833333, 1000m
DAV
Grady L. Webster 26212 1990-03-26
Mexico, Sonora, Sonora, Mpio. Tubutama: c. 4 mi by road SE of Tubutama., 30.83333333 -111.4166667, 700m
DAV
Grady L. Webster 26194 1990-03-24
Mexico, Sonora, Puerto Peñasco, Parque Nacional del Volcan del Pinacate: wash with thickets of Cercidium, Larrea, Lysiloma, & Prosopis, 3-4 km W of Pinacate Peak; flowers white., 31.83333333 -113.6666667, 150m
DAV
Grady L. Webster 26188 1990-03-24
Mexico, Sonora, Puerto Peñasco, Parque Nacional del Volcan del Pinacate: wash with thickets of Cercidium, Larrea, Lysiloma, & Prosopis, 3-4 km W of Pinacate Peak; fls. white., 31.83333333 -113.6666667, 150m
DAV
Grady L. Webster 26184 1990-03-24
Mexico, Sonora, Puerto Peñasco, Parque Nacional del Volcan Pinacate: wash with thickets of Cercidium, Larrea, Lysiloma, and Prosopis, 3-4 km W of Pinacate Peak; flowers yellow., 31.83333333 -113.6666667, 150m
DAV
Grady L. Webster 22348 1978-03-21
Mexico, Sonora, Pinacate region Cerro Colorado desert scrub on floor of crater., 31.916667 -113.3, 182m
DAV
Grady L. Webster 23837 1979-03-23
Mexico, Sonora, Rocky banks in oak forests, 14 mi W of Yécora,; elev. 5400 ft, 28°22'N, 109°00'W; in mats on wet; banks; fls. red, inodorous., 28.36666667 -109, 1646m
DAV
Grady L. Webster 22485 1978-03-25
Mexico, Sonora, Sandy flats c. 0.5 mi E Puerto Libertad, with; Atriplex, Jatropha cinerea, Frankenia palmeri; 29°54'N, 112°40'W; alt ?? m; common; branches; ascending; rays blue, disk yellow., 29.9 -112.6666667
DAV
Grady L. Webster 22467 1978-03-24
Mexico, Sonora, Sierra Bacha, SE of Punta CiRío, desert scrub; 1-2 km inland up arroyo with Idria, approx.; 29°50'N 112°37-38'W, alt. 50-150 m; common; fls. white, very fragrant., 29.83333333 -112.625, 150m
DAV
Grady L. Webster 22468 1978-03-24
Mexico, Sonora, Sierra Bacha, SE of Punta CiRío, desert scrub; 1-2 km inland up arroyo with Idria, approx.; 29°50'N 112°37-38'W, alt. 50-150 m; common; stems reddish., 29.83333333 -112.625, 150m
DAV
Grady L. Webster 22473 1978-03-24
Mexico, Sonora, Sierra Bacha, SE of Punta CiRío, desert scrub; 1-2 km inland up arroyo with Idria, approx.; 29°50'N 112°37-38'W, alt. 50-150 m; common., 29.83333333 -112.625
DAV
Grady L. Webster 22438 1978-03-24
Mexico, Sonora, Sierra Bacha, SE of Punta CiRío, desert scrub; 1-2 km inland up arroyo with Idria, approx.; 29°50'N 112°37-38'W, alt. 50-150 m; fls. white., 29.83333333 -112.625
DAV
Grady L. Webster 22469 1978-03-24
Mexico, Sonora, Sierra Bacha, SE of Punta CiRío, desert scrub; 1-2 km inland up arroyo with Idria, approx.; 29°50'N 112°37-38'W, alt. 50-150 m; rosette., 29.83333333 -112.625
DAV
Grady L. Webster 26250 1990-03-26
Mexico, Sonora, Quiriego, Steep hillside 22-23 km by road NE of Huasabas, scrub with Acacia, Diospyros, Dodonaea, Fouquieria macdougalii, et al.; flowers white., 29.98333333 -109.1666667, 1000m
DAV
Grady L. Webster; Steven P. Lynch 17019 1972-06-21
Mexico, Sonora, Yaqui River floodplain 0.7 mi N of Bacum., 27.566667 -110.1, 20m