USF
95726 E. C. Twisselmann 11827 1966-04-13
United States, California, Kern Co., Plains E of Ridgecrest, along County Line Road., 35.6225 -117.671, 719m
TENN
TENN-V-0103612
United States, California, San Bernardino
TENN
TENN-V-0103613
United States, Nevada, Clark
UTEP:Herb
UTEP:Herb:28282 Collector(s): Steve Boyd SB 117-IPP 1983-05-02
United States, Nevada, Clark County, S side of Muddy Wash, at Moapa Power Plant, 36.657457 -114.633207, 549 - 549m
UTEP:Herb
UTEP:Herb:51194 Collector(s): Dr. Wendy Hodgson 6567 1992-03-20
United States, Arizona, La Paz County, Cactus Plain, along Transmission Power Line Road, 1.5 miles W of Swansea Road, 34.084723 -113.909208, 488 - 488m
UTEP:Herb
UTEP:Herb:12852 Collector(s): Charles Edward Freeman 1980-04-10
United States, Nevada, Clark County, 5 miles W of Las Vegas by road to Red Rock Recreation Area, 36.020091 -115.262885
UTEP:Herb
UTEP:Herb:25374 Collector(s): Andrew C. Sanders 3762 1983-04-23
United States, California, San Bernardino County, Whipple Wash ca. 1.5 miles above Lake Havasu, 34.372569 -114.275425, 168 - 168m
PAUH
00009181 Larry C. Higgins 2799 1970-03-27
United States, Arizona, Santa Cruz, Highway 89, 13 miles north of Nogales.
UVSC
1998-3113/1 R.D. Huish s.n. 1998-12-28
United States of America, Nevada, Clark County, 7.5 miles past exit 73 on I-15, near Lake Mead.
UVSC
1992-3619/1 R. Van Buren 296 2011-10-14
United States of America, Utah, Washington County, foothills SE of the Virgin River & SW of Atkinville Wash, S of Little Round Valley, ca. 1 mile N of the Arizona state line, 37.011944 -113.643056, 2600m
UVSC
1992-3965/1 J.G. Harris 2358 2015-09-22
United States of America, California, Inyo County, Death Valley, Jubilee Pass., 35.908333 -116.575, 1200m
UVSC
2001-4987/1 R. Van Buren 468 2010-01-13
United States of America, Utah, Washington County, Desert Tortoise Preserve, hills between Black Knolls and Red Hills, ca. 1 air miles NE of West St. George Spring, 37.133056 -113.581111, 3100m
UVSC
2003-8693/1 R. Jolley 13 2011-07-28
United States of America, Utah, Washington County, "Conglomerate Wash" site, hillsides along the wash draining southeast from the southern end of the Price City Hills into Atkinville Wash, W of River Road and White Dome, 37.015833 -113.578889, 2450m
UVSC
2004-9362/1 R. Van Buren 665 2012-10-22
United States of America, Utah, Washington County, "The Mound" site, foothills SE of the Virgin River & SW of Atkinville Wash, ca. 0.75 air miles W of the I-15 Inspection Station, 37.015278 -113.621389, 2605m
UVSC
2005-10062/1 R. Van Buren 685 2005-03-23
United States of America, Arizona, Mohave County, Highway 93, directly N of cutoff to Willow Beach., 35.87 -114.605
UVSC
X0168/1 J.G. Harris 2358 2012-11-26
United States of America, California, Inyo County, Death Valley, Jubilee Pass, 35.908333 -116.575, 1200m
WS
395915 C.L. Hitchcock 24352 1966-03-23
United States, California, Inyo, about 5 mi. s. of Shoshone, 35.894181 -116.2667
WS
409001 Walter Fertig 21576 2005-03-18
United States, California, Inyo, Mojave Desert: lower slopes of Beck Peak ca. 2.5 air miles WNW of Shoshone and the Amargosa River, and 1 mile south of Death Valley National Park and Highway 178. T22N R6E S22 SE4SE4, 35.987134 -116.314001, 671m
MWI
MWI00059733 Train, Percy 855 1937-02-25
USA, Nevada, Clark, Boulder Dam, Lake Mead, 310m
SNM
8457 D. A. Johnson 2005-02-20
United States, California, Riverside, Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10, 914m
SNM
13946 J.E. Bailey 1966-04-23
United States, Arizona, Greenlee, 2 mi above Clifton, on side of AZ Hwy 75, 1067m
WILLI
14874 Wieboldt, Thomas F 1323 1973-05-20
United States, Nevada, Clark, 22.5 mi SW of Mesquite, Nev, along Interstate Hwy 15, 671m
ZNP
ZION 3253 Weight, K. E. 1935-04-28
United States, Utah, WASHINGTON, Zion National Park, Coalpits Wash
SEINet
Walter Fertig 21491 2005-03-16
USA, Nevada, Nye, Mojave Desert: ca. 0.5 miles north of junction of Ash Meadows Road and NV Highway 132, ca. 0.4 mile east of CA state line, ca. 7 air miles west of Pahrump., 36.171162 -116.108553, 774m
SEINet
Walter Fertig 21576 2005-03-18
USA, California, Inyo, Mojave Desert: lower slopes of Beck Peak ca. 2.5 air miles WNW of Shoshone and the Amargosa River, and 1 mile south of Death Valley National Park and Highway 178. T22N R6E S22 SE4SE4, 35.987134 -116.314001, 671m
SEINet
Peter Chesson 10 2015-03-20
USA, Arizona, Cochise, Bajada on east side of Chiricahua Mountains, approx. 6 km from Portal, AZ, 31.937 -109.077, 1644m
SEINet
MSUNH000834 C. Cleveland 0047 2013-04-06
United States, Arizona, Mohave, I15 AZ Beaver Dam exit, travel north 0.5 miles over bridge, take left opposite Beaver Dam Drive onto dirt road and park under bridge, collection site 28m upstream., 36.90164 -113.93464, 555m
SEINet
D. Gentilcore 592 2016-03-21
United States, Nevada, Clark, Desert National Wildlife Refuge. Along Mormon Well Rd. near convergence of Las Vegas Range and Elbow Range., 36.742538 -114.998057, 1032m
SEINet
D. Gentilcore 693 2016-04-12
United States, Arizona, Mohave, Lake Mead NRA. On the hills surrounded by Cohenour Loop Rd. 2.5 km by air S of Cohenour Mine., 36.054644 -114.576506, 770m
SEINet
Marc A. Baker 18063 2014-03-29
United States, CALIFORNIA, San Bernardino County, 1km north of Galway Lake, 7.2km SW of the summit of Argos Mountain, 61km SE of Barstow, west-facing slope of low ridge, granitic rocks, gravel, and fine sand, 34.5514 -116.4901, 840m
SEINet
D. Gentilcore 1149 2017-04-14
United States, Nevada, Clark, Quail Springs Wash, 36.269689 -114.283785, 773m
SEINet
Marc A. Baker 19398 2018-03-28
United States, CALIFORNIA, San Bernardino County, 7km N of Red Lake Pass, 40km ENE of Fort Irwin, 85km NNE of Barstow, upper bajada and associated wash, 35.3897 -116.2842, 604m
SEINet
D. Gentilcore 1592 2019-05-07
USA, Nevada, Clark, Along Virgin River Access Road 5 km SE of intersection with New Gold Butte Rd, 36.55821 -114.24824, 622m
SEINet-NPS-TUSK
T. Pereira 185 2020-05-13
United States, Nevada, Clark County, TUSK North Unit, 36.417483 -115.31525, 986m
SEINet-NPS-TUSK
T. Pereira 190 2020-05-13
United States, Nevada, Clark County, TUSK North Unit, 36.422667 -115.318867, 994m