ASU:Plants
ASU0343043 T.H. Kearney 10941 1935-03-25
USA, Arizona, Yuma, Dome to Castle Dome., 32.7553 -114.361
ASU:Plants
Doug Newton 371 2008-02-29
USA, Arizona, Maricopa county, Large sandy wash along pipeline road, west of junction with Courthouse rock road., 33.463727 -113.284378, 400m
ASU:Plants
ASU0343024 Mary J. Russo 632 1986-02-22
USA, Arizona, Yuma, On gravelly, north - facing slope along dry wash below Horse Tanks., 33.2102 -114.207, 549m
ASU:Plants
ASU0342646 John Phelps s.n. 1978-03-19
USA, Arizona, Yuma, Point of the Pintas just north of Cabeza Prieta Game Range., 32.25 -113.45
ASU:Plants
T. Reeves 6766 1978-04-10
USA, Arizona, Yuma, Cabeza Prieta Game Range. Near Border Monument 180 along border road. south of Las Playas. Lava field. Small hill desert overlooking Las Playas. Larrea desert. 0.1 - 0.2 mi north of Mexico., 32.25 -113.45, 213m
ASU:Plants
ASU0346744 Doug Newton 198 2008-04-02
USA, Arizona, La Paz, large sandy wash, road to Indian springs, Eagle tail mountains, Az, 520m
ASU:Plants
ASU0342681 Doug Newton 437 2008-03-13
USA, Arizona, Maricopa county, Granite mountains, large sandy wash under an Olneya tesota, granitic soils., 33.439634 -113.298513, 443m
ASU:Plants
ASU0041048 Jon Rebman 1508 1993-03-11
Mexico, Baja California, 13.4 mi east of San Matias & 2.7 mi south of Hwy 3 between Ensenada and San Felipe; & north of Laguna Diablo., 31.2667 -115.283
ASU:Plants
ASU0041049 Howard Scott Gentry 8661 1949-03-09
Mexico, Baja California, Along arroyo 6 miles W of San Ignacio., 26.660235 -111.704146
ARIZ
408905 Benjamin T. Wilder 10-205 2010-03-21
Mexico, Baja California, Ensenada Municipio, Canyon SW of old Mision de Calamuje, 29.404306 -114.208472, 360m
ARIZ
C. T. Mason 1658 1958-03-02
United States, Arizona, Maricopa County, Crater Range, 30 mi south of Gila Bend along AZ hwy 85, 32.6 -112.95
ARIZ
T. H. Kearney 10963 1935-03-25
United States, Arizona, Yuma County, Horse Tanks, 33.216667 -114.2, 550m
ARIZ
L. Seingle S-218 1916-03-28
United States, Arizona, Yuma County, Yuma, 32.7193 -114.643
ARIZ
R. A. Darrow s.n. 1938-03-13
United States, Arizona, Pima County, Sasco, near Red Rock
ARIZ
Hastings 9089 1916-04-08
United States, Arizona, Pinal County, Seed Farm, Government Experiment Stsation, Sacaton, 33.083333 -111.741667
ARIZ
T. H. Kearney 15121 1944-03-25
United States, Arizona, Pinal County, Sacaton Mountains, 33.016667 -111.691667, 518m
ARIZ
R. H. Peebles 5066 1928-03-12
United States, Arizona, Yuma County, Yuma Mesa, 32.7193 -114.643
ARIZ
A. A. Nichol s.n. 1939-02-25
United States, Arizona, Pima County, Puerto Blanco Mountains, 32.0045 -112.8579, 609m
ARIZ
J. E. Johnson s.n. 1960-03-26
United States, Arizona, Pima County, Charlie Bell Well, Growler Mountains, 32.383333 -113.1, 457m
ARIZ
T. H. Kearney 10867 1935-03-22
United States, Arizona, Pima County, Papago Well, 32.108333 -113.283333
ARIZ
410107 S. J. De Groot 6550 2011-03-19
United States, California, San Bernardino, Chemehuevi Mountains: Above unnamed spring, in side drainage south-southwest of Cave Wash. Near upper (second) tanks., 34.594028 -114.567472, 530m
ASC
ASC00078448 K. Christie 227 2003-04-04
United States, Arizona, Mohave, 4.71 mi S of Oatman on old Highway 66, 34.978611 -114.420278, 609m
ASC
ASC00133149 G.L. Clifton 43363 2005-02-07
United States, Arizona, Mohave, Lake Havasu City South Quad, Lake Havasu State Park, 34.429718 -114.275086, 209m
ASC
ASC00121867 Glenn Rink 15487 2019-03-05
United States, Arizona, La Paz, east side of the Dome Rock Mountains, under powerline, 33.573022 -114.33369, 457m
ASC
ASC00130720 Carly Pierson 2 2024-04-19
United States, Arizona, La Paz, Cibola Wildlife Refuge, western-facing rocky/gravelly wash, 33.22109457 -114.6698923, 78m
ASC
ASC00118167 Glenn Rink 14522 2017-03-24
United States, Arizona, La Paz, Hwy 62, bridge over Colorado River at Parker, 34.15888 -114.2983, 134m
ASC
ASC00118168 Glenn Rink 14523 2017-03-24
United States, Arizona, La Paz, Hwy 62, near Colorado River in Parker, 34.15724 -114.29617, 120m
DES
DES00075755 Sarah J. De Groot 4583 2005-02-10
USA, California, Riverside, Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock, 33.913889 -115.077222, 402m
DES
DES00090444 Mitch Provance 10119 2008-03-15
United States, California, Imperial, E side of Hwy 78, about 7 miles NNE of intersection with Ogilby Rd, 2 miles N of Buzzards Peak, c. 2.5 miles NNE of the border checkpoint, 33.17086 -114.86653, 293m
DES
DES00043156 Wendy Hodgson 8873 1995-03-16
Mexico, Baja California, 0.9 mi S of Hwy 2 along road to Canon Guadalupe., 32.5596 -115.78965, 30 - 40m
DES
DES00098284 A.C. Sanders 42926 2017-03-23
United States, California, Riverside, Sonoran (Colorado) Desert: 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
UCR0078054 Jim André 9858 2009-02-26
United States, California, Imperial, Borrego Desert, low hills c. 1.5 mi northeast of Ocotillo and Fwy I-8, 32.75222 -115.97583, 96m
UCR
UCR0078108 Jon M. Stewart 758 1991-04-07
United States, California, Riverside, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains, 33.90361 -115.40833
UCR
UCR0079807 A.C. Sanders 12149 1992-04-04
United States, California, Riverside, McCoy Mountains, within 0.5 mile of McCoy Spring, 33.73361 -114.90778, 244m
UCR
UCR0078046 Jim André 24082 2013-03-04
United States, California, Imperial, Cargo Muchacho Mountains, southeast side of range, c. 12 miles northwest of Yuma, just west of Barney Oldfield Road, 5.0 miles north of the junction with I-8; Cargo Muchacho Mountains, 32.81332 -114.72982, 158m
UCR
Frances Miller 6415 1964-03-24
Mexico, Baja California (norte), Mexicali, 15.2 miles [24.5 km] south of Mexicali (junction of Mexico 2 and San Felipe rd.), 200 yds. west of the road [near Sierra de Los Cocopah/Cucapah/Cucapá], 32.44167 -115.3875, 18m
UCR
UCR0079801 A.C. Sanders 42743 2017-03-08
United States, California, Imperial, Chocolate Mtns, along Imperial Gables Rd. outside Aerial Gunnery Range, 33.12572 -114.92962, 393m
UCR
UCR0079800 A.C. Sanders 42750 2017-03-08
United States, California, Imperial, mouth of Ninemile Canyon just above Hwy 78, Chocolate Mountains, 33.08 -114.9425, 308m
UCR
UCR0078256 Onkar Singh 5148 2015-03-18
United States, California, San Diego, Anza-Borrego State Park, north end of Jacumba Mountains, Carrizo Canyon, 32.83769 -116.20778, 229m
UCR
UCR0079802 Mitch Provance 10119 2008-03-15
United States, California, Imperial, E side of Hwy 78, about 7 miles NNE of intersection with Ogilby Rd, 2 miles N of Buzzards Peak, c. 2.5 miles NNE of the border checkpoint, 33.17086 -114.86653, 293m
UCR
UCR0078050 Jim André 15834 2011-02-20
United States, California, Imperial, Borrego Desert, along Hwy I-8 at lower In-Ko-Pah Gorge, 4.5 mi west of Ocotillo at Imperial Hwy, 32.71235 -116.05347, 330m
UCR
UCR0078162 Jim André 24307 2013-03-05
United States, California, San Bernardino, southeast side of Whipple Mountains, along rough dirt road just off Bowman Wash Road, 1.1 mi west of Parker Dam Road at Crossroads, 34.23035 -114.21597, 135m
UCR
UCR0078115 Dave Silverman 8056 2010-03-27
United States, California, Riverside, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport, 33.68528 -114.70547, 137m
UCR
Jon P. Rebman 5007 1998-04-03
Mexico, Baja California (norte), Ensenada, Cataviña boulder fields: about 5 mi north of Cataviña and 5.7 miles west of Hwy 1 along the road to Faro San José, 29.71028 -114.81028, 490m
UCR
UCR0078116 Dave Silverman 7836 2010-03-30
United States, California, Riverside, east flank of southern McCoy Mountains, 3.0 km W of Black Creek Rd, 5.8 km NE of McCoy Peak, and 7 km north of I-10, 33.674 -114.799, 195m
UCR
UCR0078257 Onkar Singh 5136 2015-03-18
United States, California, San Diego, Anza Borrego State Park. Tierra Blanca Mountains, mouth of Indian Gorge, c. 1 km west of Sweeney Pass Road, 32.87306 -116.22111, 266m
UCR
UCR0078066 George K. Helmkamp 2921 1998-03-19
United States, California, Imperial, Imperial Dam area, just south of the dam on Hwy S-24; Colorado Desert, 32.88433 -114.47167, 76m
UCR
UCR0079814 A.C. Sanders 6068 1986-03-02
United States, California, Riverside, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd, on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road), 33.59583 -115.05417, 134m
UCR
UCR0079813 A.C. Sanders 6178 1986-03-08
United States, California, Imperial, Yuha Desert, c. 5 miles airline south of Plaster City, in fossil oyster beds along a dirt road c. 5 miles south of the Dunaway Road exit off Hwy I-8, 32.72833 -115.84278, 61m
UCR
UCR0079811 A.C. Sanders 6216 1986-03-09
United States, California, Imperial, Coyote Mountains. Fossil Canyon, 3.3 miles north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road, 32.78361 -116.02028, 305m
UCR
UCR0079810 A.C. Sanders 6235 1986-03-09
United States, California, Imperial, Painted Gorge, 5.1 miles north of S-80 on Painted Gorge Road, c. 5 miles NE of Ocotillo, 32.81 -115.97, 152m
UCR
UCR0079803 Steve Boyd 1261 1986-02-06
United States, California, Imperial, Cargo Muchacho Mtns. Plains east of Mts, Powerline Road, 3.8 mi west of Picacho Rd., 32.91 -114.71
UCR
UCR0079804 R.F. Thorne 33641 1964-04-11
United States, California, Imperial, Araz Wash, between Pasadena and Stud Mts, Cargo Muchacho Mtns, 32.84 -114.75, 305m
UCR
UCR0079805 Ed LaRue 91--38 1991-04-25
United States, California, Imperial, 6 miles north of Cargo Muchacho Mtns, 7-8 miles north of Hedges. In and adjacent to Indian Wash, 32.95444 -114.77222, 244m
UCR
UCR0078106 Duncan S. Bell 18 2009-03-07
United States, California, Riverside, Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area, 34.02572 -114.93356, 614m
UCR
UCR0078103 Jim André 24386 2013-03-21
United States, California, Riverside, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles south of Grommet RR xing at Hwy 62; West Riverside Mountains, 34.06818 -114.67443, 363m
UCR
Jim André 11078 2009-03-19
United States, Arizona, Mohave, at gauging station on east banks (mountains) of Colorado River in the “Needles,” c. 2 mi south of Hwy I-40 and Topock, 34.68678 -114.45962, 134m
UCR
UCR0257159 Tim Thomas 5949A 2013-03-19
United States, California, Riverside, 10 miles SW of Blythe, vicinity of powerline corridor, 33.55831 -114.76289, 116m
UCR
UCR0078052 Jim André 9883 2009-02-26
United States, California, Imperial, Palo Verde Mountains, along major powerline corridor (Palo Verde Road) that runs north-south through mountains, c. 1 mile south of pass, 33.30415 -114.78802, 182m
UCR
UCR0079806 A.C. Sanders 42926 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
UCR0078112 Dave Silverman 7864 2010-03-27
United States, California, Riverside, McCoy Wash, N of Palo Verde Mesa, 5.4 km W of Mesaville railroad siding, 10 km N of I-10, and 13 km NW of Blythe, 33.6965 -114.70872, 140m
UCR
UCR0078241 Valerie Soza 279 1998-06-24
United States, California, San Bernardino, SE of Round Mountain, east of haul road to Terrace Springs quarry, northern base of peak “4568”, 34.34222 -116.77222, 1372m
UCR
UCR0078031 Jon P. Rebman 18879 2010-04-03
United States, California, Imperial, Southwest of Plaster City on BLM property in an area proposed for development of solar facility, S of Co Hwy S80 and N of I-8, NE of Ocotillo & W of El Centro, along powerline road, 32.78489 -115.873, 53m
UCR
UCR0078186 Jim André 4944 2005-04-06
United States, California, San Bernardino, Iron Mtns: W side of poleline road at pass, SE side of mtns, 34.15939 -115.12069, 339m
UCR
UCR0078061 Suzanne Bell 303 1998-03-01
United States, California, Imperial, Ferguson Lake Road [eastern Chocolate Mtns. near Colorado River], 32.92806 -114.51583
UCR
UCR0194006 Tim Thomas 4602 2009-03-17
United States, California, Riverside, north side of Ford Dry Lake, 33.67217 -115.01575, 116m
UCR
J.A. Soule 83--308 1983-03-18
Mexico, Sonora, Puerto Peñasco, E of MacDougal Crater; Pinacate Lava Flow, 31.96667 -113.61667, 200m
UCR
Melanie J. Davis 011 2024-04-24
United States, California, Riverside, Salt Creek, c. 0.53 air km NE from where Hwy 111 crosses Salt Creek, 33.45072 -115.84014, 188m
UCR
UCR0079812 John Kitasako 45249 1964-04-09
United States, California, Imperial, [Algodones Dunes] 3 miles west of Glamis on Hwy 78, 32.99167 -115.115, 92m
UCR
UCR0079809 Richard L. Irwin 010 1962-04-01
United States, California, Imperial, 0.6 mile south of Ocotillo, off US Hwy 80, 32.72 -115.99, 15m
UCR
UCR0079808 Frank C. Vasek s.n. 1978-05-22
United States, California, San Bernardino, Stoddard Valley, alkaline wash 3.3 miles north of Slash X Ranch and 1.1 miles east of Barstow Road. Site VIIIA, 34.805 -117.00972, 841m
UCR
UCR0078113 Dave Silverman 8062 2010-03-30
United States, California, Riverside, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10, 33.6485 -114.78061, 183m
UCR
UCR0078047 Margaret R. Mulligan 2528 2008-04-25
United States, California, Imperial, Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, in Coral Wash, 1.75 mi southwest of Hwy 86. Section SL14, 33.30161 -116.009, 17m
UCR
UCR0199171 Tim Thomas 4639 2009-03-22
United States, California, Riverside, 3.7 miles NW of Wileys Well north of Hwy I-10, 33.64167 -114.95111, 116m
USU:UTC
UTC00122487 EK Balls; PC Everett 22932 1959-03-20
United States, California, Imperial, 15 miles northwest from Ogilby on road to Blythe, 259m
USU:UTC
UTC00100963 Rimo Bacigalupi 3562 1952-03-30
United States, California, San Diego, Slopes due south of Borrego Valley, eastern San Diego County., 381m
USU:UTC
UTC00116637 R Bacigalupi; P Hutchison 6140 1958-02-17
United States, California, Imperial, Gully close to road summit over Chocolate Mountains on Blythe-Ogilby road 1.5 miles north of junction with road from Gl, 335m
NY
3193766 A. Nelson 1220 1935-03-19
United States of America, Arizona, 20 miles west of Casa Grande City, 32.879027 -112.102934
NY
3193775 E. Palmer 592 1887-00-00
Mexico, Baja California, Los Angeles Bay, Gulf of California
SEINet
Rink, G. 15487 2019-03-05
United States, Arizona, La Paz, east side of the Dome Rock Mountains, under powerline, 33.573022 -114.33369, 457m
SEINet
G. Rink 11876 2013-03-18
USA, California, Riverside, About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant, 33.552726 -114.758188, 105m
SEINet
G. Rink 14522 2017-03-24
USA, Arizona, La Paz, Hwy 62, bridge over Colorado River at Parker, 34.15888 -114.2983, 134m
SEINet
G. Rink 14523 2017-03-24
USA, Arizona, La Paz, Hwy 62, near Colorado River in Parker, 34.15724 -114.29617, 120m
BRY:V
BRYV0108438 K. L. Chambers 6418 2005-04-05
U.S.A., California, San Bernardino, Hwy I-40, W of Needles, 0.7 mi N on Mountain Spring Road to Goff.
BRY:V
BRYV0108429 Chuck Hughes 66 2009-03-23
U.S.A., California, Riverside, South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice., 34.05 -114.81, 219m
BRY:V
BRYV0306316 Richard R. Halse 1698 1978-03-17
U.S.A., California, Imperial, 9.4 miles N of Winterhaven along road to Picacho., 150m
DBG:KHD
KHD00066383 Loraine Yeatts 4937.4 2004-04-30
United States of America, California, San Bernadino, Mojave R. drainage along Mojave Trail and Union Pacific RR near mouth of Afton Canyon and limestone mine, 1.88 mi. 137° SE of Cave Mt., 35.05096 -116.3002, 402m
DBG:KHD
KHD00011500 Loraine Yeatts 5099 2005-03-30
United States of America, California, Inyo, Death Valley N. P, Black Mts, Ashford Canyon at end of 4WD mine road., 573m
DBG:KHD
KHD00044114 Loraine Yeatts 382
32.12535 -113.55453
PUA
50274 Gilbert Jerome Muth 1973-03-26
Mexico, Baja California, Baja California, Local landmark: Cactus Forest. Cedros Quad., 29.0835 -114.306111, 640m
PUA
50195 Gilbert Jerome Muth 1973-03-22
Mexico, Baja California, Baja California, Local landmark: Los Martires. Ensenada Quad., 30.135722 -115.455806, 671m
SDSU
SDSU25337 Michael G. Simpson 4857 2023-03-16
United States, California, San Diego, Steele/Burnand Anza-Borrego Desert Research Center, ca. 250 meters west-northwest of facility., 33.24102 -116.39158, 261m
SDSU
SDSU06595 Wojtan, Joanie M. 5IV92B 1992-04-05
United States, California, Riverside, Collected next to Box Canyon Road, ca. 6.7 northeast of Hwy. 111., 33.58889 -115.95639, 480m
SDSU
SDSU19853 Guilliams, C. Matt 570 2008-03-17
United States, California, San Diego, Anza Borrego Desert State Park, in mud hills surrounding Palm Spring, east of S-2., 32.91944 -116.21861, 265m
SDSU
SDSU21318 Winter Lois, Stephanie 2 2015-03-27
United States, California, Imperial, Mountain Springs road, exit south from I-8, ca. 200 feet south of parking area., 32.67417 -116.09962, 675m
SDSU
SDSU22026 Michael G. Simpson 4042 2017-03-29
United States, California, San Diego, Anza Borrego Desert State Park, Indian Gorge, ca. 1,000 feet west of entrance to Torote Canyon along road, south east of dirt road ca. 400 feet, along foot trail on slope., 32.86842 -116.23778, 362m
SDSU
SDSU06132 Marsden, Kim 8III92D 1992-03-08
United States, California, San Diego, 3.2 miles south of Carrizo Badlands Overlook on Hwy S2, ca. 100 yards nrth of roadside, under Opuntia bigelovii., 32.8014 -116.12426, 244m
RENO:V
34779 T.S. Brandegee s.n. 1890-04-27
Mexico, Baja California, Lower California, San Luis., 32.426182 -116.956598
RENO:V
34780 K. Brandegee s.n. 1895-04-17
USA, California, San Diego, Colorado Desert, Borego Springs., 33.256343 -116.375208
RENO:V
34781 K. Brandegee s.n. 1905-04-00
USA, California, San Diego, Colorado Desert., 33.256863 -116.372866