UCR
UCR0064117 Jim André 18146 2011-05-10
United States, California, San Bernardino, along dirt road at north end of Mesquite Mountains, c. 5 miles west of Excelsior Mine Road and the Kingston Range, and c. 6 miles west northwest of Mesquite Lake, 35.7768 -115.74282, 923m
UCR
UCR0064136 Jim André 9479 2008-01-03
United States, California, San Bernardino, Kelso Dunes, Mojave National Preserve, south side of Kelso Dunes, at Carr Canyon wash crossing, 34.86953 -115.77364, 676m
UCR
Shirley Hill 630408--02 1963-04-08
United States, Arizona, La Paz, 1 mi. north of Parker Dam, c. 0.5 mi. E of shore of Lake Havasu., 34.31667 -114.12917, 150m
UCR
A.C. Sanders 34478 2008-03-20
United States, Nevada, Clark, Mormon Mesa, south of I-15, c. 5 mi. (air) east of Logandale, c. 5 mi. NE of Overton, c. 1.7 mi. north of Mormon Mesa Rd. on dirt road toward Halfway Wash, 36.60361 -114.4075, 570m
UCR
Wendy C. Hodgson 6567 1992-03-20
United States, Arizona, La Paz, Cactus Plain, along Transmission/Powerline road, c. 1.5 miles west of Swansea Road, 34.07839 -113.914, 488m
UCR
UCR0064124 Jim André 13267 2010-03-26
United States, California, San Bernardino, Piute Range, Mojave National Preserve, along Old Government Road (Mojave Road) c. 9 miles west of U.S. Hwy 95, on eastern flanks of range, 35.09092 -114.99567, 892m
UCR
UCR0064116 Jim André 17556 2011-03-12
United States, California, San Bernardino, east end of Sacramento Mountains, 0.8 mi west southwest of the junction of Hwy I-40 and Hwy 95, 34.8764 -114.76545, 389m
UCR
UCR0064094 Jim André 23824 2013-03-04
United States, California, Imperial, Chocolate Mountains, east side of range at end of Imperial Gables Road, 4.2 miles west of Hwy 78, just outside of aerial gunnery range, 33.13028 -114.94887, 422m
UCR
Wendy C. Hodgson 10834 1998-03-18
United States, Arizona, La Paz, Cactus Plain, east of Parker, southeast flanks of Black Peak, south of Osborne Wash, 34.11682 -114.20248, 363m
UCR
UCR0113921 George K. Helmkamp 1007B 1996-05-24
United States, California, San Luis Obispo, along CA Hwy 166, 0.5 miles west of the SLO county line, east of Cuyama River, 34.93833 -119.48, 814m
UCR
Arnold Tiehm 18313 2019-03-30
United States, Nevada, Clark, north end of the Dead Mountains, along a pole line road near an old relay station, 35.09117 -114.72661, 518m
UCR
UCR0064139 Mitch Provance 4903 2001-05-05
United States, California, San Bernardino, Clark Mountain, Keany Pass, narrow 4 mile long E to W oriented belt walked on the mesa and lower slopes south of the electric transmission lines, 35.59167 -115.57083, 1220m
UCR
UCR0064157 Christopher Christie 101 1997-02-15
United States, California, San Bernardino, Piute Mountains, 34.77611 -115.13333, 770m
UCR
UCR0064138 George K. Helmkamp s.n. 1993-04-24
United States, California, San Bernardino, along Smith Talc Road, c. 9 miles east of Tecopa [Pass?, Inyo Co.; probably after Sm. Ta. Rd. transition to Excelsior Mine Rd.], 35.79222 -115.96806, 1067m
UCR
UCR0064159 B.G. Pitzer 2285 1995-04-18
United States, California, San Bernardino, E/NE slope of Clark Mountain Range, wash on north side of Nipton Road, Ivanpah 15' Q., 35.47 -115.44583, 1067m
UCR
UCR0064160 B.G. Pitzer 2328 1995-04-23
United States, California, San Bernardino, Iron Mountain, c. 15 air miles west of Barstow, between Hinckley Road and Harper Lake Road, 34.87 -117.23667, 747m
UCR
Steve Boyd 177IPP 1983-05-02
United States, Nevada, Clark, south side Muddy Wash [Muddy River], across from Moapa Power Plant, 36.65722 -114.62056, 550m
UCR
UCR0064161 George K. Helmkamp s.n. 1995-03-24
United States, California, San Bernardino, 1.6 miles west of Hwy 127, at point 0.9 mile north of Baker, 35.271 -116.08817, 350m
UCR
UCR0064162 B.G. Pitzer 0102 1986-04-20
United States, California, San Bernardino, bajada west of Mescal Range, c. 6.7 miles SE of Hwy I-15 along Cima Road, c. 1 mile north of Cima Road on unnamed dirt road, 35.41167 -115.62111, 1200m
UCR
UCR0064163 A.C. Sanders 473 1978-04-05
United States, California, San Bernardino, 3.9 miles east of the Field Rd. exit on Hwy I-15, c. 7 miles southwest of Afton Canyon, south of the hwy at rest area, near site of Midway, 35.02833 -116.47083, 549m
UCR
UCR0064154 A.C. Sanders 474 1976-04-28
United States, California, San Bernardino, Near Kelso, 35.01667 -115.66667, 671m
UCR
UCR0064155 A.C. Sanders 23810 2001-03-16
United States, California, San Bernardino, Sheep Hole Mountains, south side of Sheep Hole Pass, canyon east of the highway c. 0.6 mi. south of microwave tower, 34.23278 -115.71639, 730m
UCR
UCR0064148 A.C. Sanders 473 1978-04-07
United States, California, San Bernardino, Whipple Mountains, 4 mi due south of the city of Havasu Lake, along utility road, 34.41833 -114.41056, 244m
UCR
UCR0064153 Frank C. Vasek s.n. 1978-04-22
United States, California, San Bernardino, Sheephole Pass. Site VB, 34.23889 -115.72222, 780m
UCR
UCR0064164 Carolyn McNeill s.n. 1969-05-10
United States, California, San Bernardino, Dirt road c. 5 mi NW of Giant Rock Airport; off hwy from Yucca Valley to Lucerne Valley, 34.33139 -116.46722, 976m
UCR
George K. Helmkamp 3441 1998-05-02
United States, Nevada, Clark, Sandy Valley Road, 5 miles northeast of the CA/NV border; Mohave Desert, 35.7975 -115.54433, 1006m
UCR
UCR0165269 Michael Honer 3377 2010-05-26
United States, California, San Bernardino, near powerline road between Rodman and Argus Mtns, c. 12 km SW of Pisgah Crater, 34.69112 -116.50035, 1070m
UCR
UCR0064165 Ed LaRue s.n. 1995-03-27
United States, California, San Bernardino, Silver Dry Lake, 3-32 km north of Baker, 35.35361 -116.10278, 277m
UCR
UCR0064090 A.C. Sanders 42842 2017-03-12
United States, California, Imperial, Chocolate Mountains, Pegleg Well near Pegleg Mine, 33.25847 -115.23282, 424m
UCR
UCR0064113 Jim André 20978 2012-04-16
United States, California, Riverside, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area; Joshua Tree National Park, 33.9898 -116.02268, 1197m
UCR
UCR0064119 Jim André 18721 2011-04-06
United States, California, San Bernardino, north end of Hollow Hills Wilderness Area, along powerline road, 2.6 mi east of Hwy 127, at Silver Lake, c. 10 mi north of Baker, 35.39835 -116.082, 447m
UCR
UCR0064137 A.C. Sanders 34670 2008-04-02
United States, California, San Bernardino, Ivanpah Valley, 0.3 mi. SW of corner of Primm Golf Course at Yates Well Rd, 0.9 mi. WNW of intersection of I-15 and Yates Well Rd., 35.54444 -115.43528, 823m
UCR
UCR0064103 Steve Boyd 12244 2010-04-18
United States, California, Inyo, Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone, 35.98679 -116.31614, 610m
UCR
UCR0064096 Jim André 34571 2016-04-21
United States, California, Inyo, Nopah Range, along Spanish Trails Hwy, 0.5 mile west of Emigrant Pass, 10.1 miles east of Tecopa, 35.8846 -116.06438, 801m
UCR
UCR0064093 T.B. Salvato 7348 2013-03-14
United States, California, Imperial, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 6.7 km west-southwest of Rainey Well, 33.40172 -115.25583, 599m
UCR
George K. Helmkamp 1535 1997-04-09
United States, Nevada, Clark, Dead Mountains, near Christmas Tree Pass, 35.26583 -114.7495, 1341m
UCR
George K. Helmkamp 3412 1998-05-02
United States, Nevada, Clark, Sandy Valley Road, 3.2 miles southwest of NV Hwy 161; Mohave Desert, 35.8205 -115.48017, 1280m
UCR
UCR0064100 Jim André 18188 2011-05-10
United States, California, Inyo, east end of town of Tecopa, at junction of Old Spanish Trails Hwy and Downey Street, 35.8467 -116.20398, 442m
UCR
UCR0064126 Jim André 13575 2010-05-13
United States, California, San Bernardino, Mojave National Preserve. Castle Mountains, south side of range along dirt road 0.6 mile southeast of Hart Mine, 35.27972 -115.08239, 1307m
UCR
UCR0064166 George K. Helmkamp s.n. 1995-03-28
United States, California, San Bernardino, beside old US Hwy 66, 11.5 miles east of Goffs, 34.92883 -114.89883, 650m
UCR
UCR0064167 Barry A. Prigge 2587 1978-04-22
United States, California, San Bernardino, Budweiser Valley, 13.2 miles west of Kelbaker Road on powerline road, 34.85 -115.86667, 543m
UCR
UCR0064168 John C. Roos s.n. 1965-06-16
United States, California, San Bernardino, four miles north of Adelanto, 34.61889 -117.42611, 854m
UCR
UCR0064169 James Henrickson 17082 1978-05-13
United States, California, San Bernardino, c. 52 miles (air) NE of Barstow, c. 7.5 miles north of Red Pass Dry Lake in Fort Irwin Military Reservation, 32 miles NE of Headquarters, 35.37833 -116.36111, 716m
UCR
UCR0064149 A.C. Sanders 3762 1983-04-23
United States, California, San Bernardino, Whipple Mtns, Whipple Wash where it joins the road to Havasu Landing, c. 0.5 mile below Willow Spring and 1.5 miles above Lake Havasu, 34.37444 -114.27194, 168m
UCR
UCR0064170 A.C. Sanders 7041 1987-04-05
United States, California, San Bernardino, 0.3 mi east of Afton Road on a dirt road (a telephone cable road) paralleling Hwy I-10 to the north, 35.07667 -116.40722, 489m
UCR
UCR0064171 A.C. Sanders 7031 1987-04-05
United States, California, San Bernardino, Ivanpah Valley, Ivanpah Road, 1.5 mi SW of Morning Star Mine Road, 35.325 -115.44083, 1067m
UCR
UCR0064172 John C. Roos 783 1937-04-23
United States, California, San Bernardino, 20 miles west of Twentynine Palms [= near Yucca Valley], 34.135 -116.38361, 915m
UCR
UCR0064579 John C. Roos 3261 1947-02-15
United States, California, Riverside, Lost Palms Canyon, south face of Eagle Mtns, west of Hayfield Dry Lake, 33.70556 -115.75222, 808m
UCR
UCR0064110 T.B. Salvato 4058 2010-04-20
United States, California, Riverside, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 miles northwest of Blythe, 33.73778 -114.79472, 183m
UCR
UCR0064156 A.C. Sanders 23796 2001-03-16
United States, California, San Bernardino, northern end of Sheep Hole Mountains, north side of Sheep Hole Pass, 1.3 mi. north of summit (microwave tower), 34.255 -115.71611, 686m
UCR
UCR0064173 James Henrickson 16486C 1978-04-02
United States, California, San Bernardino, c. 2.5 miles north of Barstow, on Camp Irwin Road, 1 mile north of Hwy 58, 34.93028 -117.02722, 686m
UCR
UCR0064174 David Charlton 1249 1988-03-06
United States, California, Inyo, 1 mi. south of Ibex Pass, between Shoshone and Baker on Hwy 127; Amargosa River drainage, 35.78583 -116.33056, 610m
UCR
UCR0064175 J. Jaeger s.n. 1992-04-16
United States, California, San Bernardino, west of Kingston Range, c. 3.25 miles east of peak of Alexander Hills, 35.7525 -116.06778, 762m
UCR
UCR0064140 Sarah J. De Groot 2560 2003-04-21
United States, California, San Bernardino, Whipple Mountains: Bowman's Wash near intersection with Parker Dam road near Crossroads. West end of Crossroads OHV area, 34.21806 -114.22139, 123m
UCR
UCR0064176 Ed LaRue s.n. 1995-04-19
United States, California, San Bernardino, Avawatz Mountains, Denning Spring, 35.5875 -116.46833, 570m
UCR
UCR0064129 Jim André 13724 2010-04-23
United States, California, San Bernardino, Granite Mountains, Mojave National Preserve, along powerline road c. 6 miles SW of Kelso Dunes at Budweiser Wash, 34.86062 -115.83207, 591m
UCR
UCR0064177 A.C. Sanders 16898 1995-05-07
United States, California, San Bernardino, Blackhawk Slide, south side of Old Woman Springs Rd (Hwy 247), c. 3 miles west of the turnoff to Partin Bros. Mine (Terrace Sprs.), 34.41972 -116.78389, 960m
UCR
UCR0064130 Jim André 12157 2010-04-13
United States, California, San Bernardino, Cima Cinder Cones, Mojave National Preserve, along gas pipeline road 0.4 mi south of Hwy I-15, 5.5 miles west-southwest of Halloran Summit and c. 5 miles east-northeast of town of Baker, 35.31889 -115.97861, 520m
UCR
UCR0064109 A.C. Sanders 42908 2017-03-23
United States, California, Riverside, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass, 33.47138 -115.37388, 765m
UCR
Jim André 17495 2008-03-18
United States, Nevada, Clark, along west to east transmission line road, c. 0.5 mi east of Bowman Reservoir, c. 4 mi norrtheast of Logandale, just west of Mormon Mesa, 36.625 -114.46825, 432m
UCR
UCR0064105 Sheila Riddell 730506--04 1973-05-06
United States, California, Inyo, junction of China Ranch and Furnace Creek Roads, 35.82639 -116.18278, 305m
UCR
UCR0064178 Leota Davidson 181 1965-05-15
United States, California, Los Angeles, road near Palmdale, 34.52022 -117.875, 930m
UCR
UCR0064107 James D. Morefield 3282 1986-03-18
United States, California, Inyo, Hills just east of the north end of Saline Valley Road, 2.3 mi N60° east of Bunker Hill Mine. Saline Valley drainage, 36.95111 -117.92472, 1326m
UCR
UCR0145985 Steve Boyd 12412 2023-04-17
United States, California, Inyo, Amargosa River drainage south of Shoshone along Highway 127, 0.6 miles south of junction with Old Spanish Trail Highway, 35.86677 -116.29735, 466m
UCR
UCR0064115 Jim André 27087 2014-02-20
United States, California, San Bernardino, north end of Saddle Peak Hills, 0.4 mi west of Hwy 127, c. 10 mi southwest of Tecopa, just south f Inyo Co. boundary, 35.7588 -116.32687, 407m
UCR
UCR0064120 Jim André 16493 2011-03-31
United States, California, San Bernardino, west margin of East Cronise Lake, 2.0 mi north of Hwy I-15, 35.13023 -116.29288, 322m
UCR
UCR0064152 George K. Helmkamp 6361A 2001-03-31
United States, California, San Bernardino, northeast side of junction of US Hwy 95 and Hwy I-40, 34.88167 -114.755, 366m
UCR
Andrew Salywon 1405 2003-04-28
United States, Arizona, Yavapai, Anderson Mine, c. 5 mi west of Hwy 93 on Alamo Lake Road, then north on old Alamo Lake Road and west across Date Creek and north to Anderson Mine, 34.30556 -113.27444, 567m
UCR
UCR0064150 June Latting s.n. 1979-03-24
United States, California, San Bernardino, pole line road near Havasu Junction, 34.4725 -114.52028, 335m
UCR
UCR0064134 A.C. Sanders 36222 2009-03-05
United States, California, San Bernardino, Cady Mountains at edge of Broadwell Valley, south of powerline road c. 10 mi. NE of I-40, south of peak 2633, north of Sleeping Beauty Mtn., 34.86463 -116.25977, 598m
UCR
UCR0064142 Jim André 4891 2005-03-13
United States, California, San Bernardino, In South Bristol Mtns, along W side of Kelbaker Road, c. 2 mi north of Route 66, 34.585 -115.648, 359m
UCR
UCR0064108 Fred M. Roberts 8127 2017-03-18
United States, California, Riverside, Little Maria Mtns.: east end, northern foothills, c. 3.9 km NW Midland, about 1.2 km W Rice-Midland Road, 33.89272 -114.82108, 275m
UCR
T.B. Salvato 3228 2008-03-31
United States, Nevada, Clark, Mormon Mesa, south of I-15, c. 6 mi. (air) ENE of Logandale and 1 mi. east of Bowman Reservoir. North of Carp Elgin Road and east of Mormon Mesa Road, 36.60417 -114.37694, 556m
UCR
UCR0146048 Steve Boyd 12553 2023-04-20
United States, California, Inyo, Dublin Hills near Shoshone, major canyon (valley) at southern end of range, northward from Furnace Creek Wash Road, primarily along ridge along western side and adjacent alluvial benches, 35.92981 -116.30019, 514m
UCR
George K. Helmkamp 6407 2001-03-30
United States, Arizona, Mohave, Willow Dr. (3.7 miles north of river bridge), 3.1 miles east of AZ-95, 34.90806 -114.53889, 305m
UCR
UCR0064118 Jim André 17767 2011-03-12
United States, California, San Bernardino, Dead Mountains, south end of range on north side of RR Tracks, 34.88787 -114.73995, 329m
UCR
UCR0064147 Jim André 19007 2011-03-27
United States, California, San Bernardino, Clipper Mountains along gas pipeline road at SW end of range, 14.6 mi. east of Kelbaker Rd, c. 2 mi. SW of Bonanza Spring, c. 4 mi. north of Rte 66 at Danby Rd.; Clipper Mountains, 34.67382 -115.4364, 605m
UCR
UCR0064102 A.C. Sanders 39385 2011-05-03
United States, California, Inyo, southern Pahrump Valley, west of Aster Way c. 0.4 km south of Old Spanish Trail Hwy, SW edge of Calvada Springs, 35.96833 -115.955, 794m
UCR
UCR0064114 T.B. Salvato 3275 2008-04-03
United States, California, San Bernardino, Ivanpah Valley, alluvial slopes along powerline road from Primm, NV to Keaney Pass, c. 3.4 miles west of Primm, 35.60611 -115.44778, 841m
UCR
UCR0064097 Jim André 34016 2016-02-16
United States, California, Inyo, Greenwater Range, dirt road 4.3 miles northeast of Deadman Pass, 8.8 miles east of Furnace Creek Road, c. 10 miles southeast of Death valley Junction, 36.155 -116.41773, 796m
UCR
UCR0064158 George K. Helmkamp 2833 1998-03-16
United States, California, San Bernardino, 50 ft north of the boundary of Joshua Tree National Park at the south end of Sunkist Rd, east of town of Joshua Tree; Mojave Desert, 34.12033 -116.25583, 884m
UCR
UCR0064151 George K. Helmkamp 6425 2001-03-30
United States, California, San Bernardino, US Hwy 95, 8.5 miles south of Hwy I-40, 34.70167 -114.61333, 351m
UCR
UCR0064144 Jim André 31166 2015-03-16
United States, California, San Bernardino, along east side of Hwy 127, 38.5 mi north of Baker, c. 3 mi south of Inyo Co. line at Ibex Pass, 35.75053 -116.31365, 366m
USU:UTC
UTC00025519 CL Hitchcock 3029 1937-05-11
United States, Utah, Washington, 5 mi W of Virgin
USU:UTC
UTC00227401 Ann Pinzl; Paula T. Work 12095 1997-04-22
United States, Nevada, Clark, South side of Gale Hills north of Northshore Road (LMNRA)., 36.2116667 -114.7283333, 660m
USU:UTC
UTC00247548 Arnold Tiehm 14683 2005-04-25
United States, Nevada, Nye, 2.1 road miles S of Oasis Valley Road on road on E side of hills on E side of the Amargosa River, them 1.5 road miles E., 37.0097222 -116.69, 1207m
USU:UTC
UTC00246205 Arnold Tiehm, Jan Nachlinger 14748 2005-04-30
United States, Nevada, Lincoln, 3.4 road miles SSE of Pole Line on road to Flat Top Mesa, 0.5 road miles SSE of road dropping off of a mesa., 36.906306 -114.187611, 701m
USU:UTC
UTC00288452 A. Tiehm 18313 2019-03-30
United States, Nevada, Clark, N end of the Dead Mountains, along a pole line road near an old relay station, 35.09118 -114.72661, 518m
UNM:Vascular Plants
UNM0065321 O.M. Clark 14882 1949-05-25
United States, Arizona, (Yuma), South Quartsite.
UNM:Vascular Plants
UNM0065314 B. Cooley 3 2005-04-07
United States, Arizona, Mohave, 4.7 miles south of Lake Havasu City on US 95, Acoma Blvd then 0.5 miles ENE in Standard Wash on 4 wheel-drive tracts., 399m
UNM:Vascular Plants
UNM0065315 B. Adams 10 2005-04-07
United States, Arizona, Mohave, 4.5 miles down 4 wheel drive road with access point off Highway 93 south of the radio facility. Just north of Lake Havasu City, 3.6 miles east of radio facility and 2.5 miles northwest of Wing Mine., 34.605 -114.3081, 512m
SNM
13946 J.E. Bailey 1966-04-23
United States, Arizona, Greenlee, 2 mi above Clifton, on side of AZ Hwy 75, 1067m
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
CS
166175 collectors: Jon Ricketson Deanna Vanderbur 2327 1985-03-17
United States, Arizona, Mohave County, 6 mi E of the juc. of Az 95, along AZ 68, N side of the rd., 707m
NY
500003 E. Palmer 14 1877-04-00
United States of America, Utah, Washington Co., [St. George and vicinity], 37.10489 -113.563406
NY
572353 N. D. Atwood 27193 2001-04-21
United States of America, Arizona, Mohave Co., Grand Canyon Parashant NM, south of Cottonwood Wash on BLM road 1007., 36.46 -113.95, 700m
NY
849355 M. E. Jones 5032a 1894-04-11
United States of America, Arizona, Mohave Co., 10 miles from Stones Ferry
NY
3675988 L. C. Higgins 6546 1973-04-17
United States of America, Arizona, Mohave Co., 60 mi N of Kingman on hwy 93, 35.86171 -114.600966
NY
3676007 L. N. Goodding 2179 1905-04-08
United States of America, Nevada, Clark Co., Moapa., 36.675805 -114.620823
NY
571293 N. D. Atwood 26447 2001-03-24
United States of America, Arizona, Mohave Co., Grand Canyon Parashant NM, Garden Wash, 1st side canyon west of Grand Wash south of Burro Spring