ASU:Plants
ASU0154167 C. W. McLellan 677 1935-10-23
USA, Arizona, Tadana, Arizona.
ASU:Plants
ASU0154161 ND Atwood 27875 2001-09-22
USA, Arizona, Mohave County, 1 mi south of BLM/Lake Mead bound; in Grand Wash, 36.2803 -114.001
ASU:Plants
Marc A. Baker 17462 2011-09-26
USA, California, Riverside, Chuckwalla Valley at the north end of the Mule Mountains, 24km SSW of Blythe, 10.5km SSE of the summit of McCoy Peak, 6km north of the Roosevelt Mine, low ridges of pale tan silt with a layer of schist rock and gravel., 33.5595 -114.8232, 170m
ASU:Plants
ASU0154160 C. W. McLellan 677 1935-10-23
USA, Arizona, Yuma, Tacna, 32.7 -113.95, 106m
ARIZ
395881 Shrub. 3363 2003-10-25
United States, California, San Bernardino County, Whipple Mountains: Gene Wash, toward head. First left off intake Pump Plant Rd, up canyon past swimming hole. MWD property (permit 28 Aug. 2003)., 34.300833 -114.1625, 157m
ARIZ
398494 Sarah J. De Groot 3079 2003-08-26
United States, California, San Bernardino County, Whipple Mountains: Along Atchison, Topeka, and Santa Fe Railroad tracks between Vidal and Big River. Just east of intersection with powerline., 34.116389 -114.464444, 169m
ARIZ
349934 Royal D. Suttkus 76-46-2 1976-09-07
United States, Arizona, Mohave County, Colorado River left bank at Bridge Canyon Dam; River Mile 238; Grand Canyon National Park
ARIZ
398031 Sarah J. DeGroot 3503 2003-12-12
United States, California, San Bernardino County, Whipple Mountains: Copper Basin: along road to reservoir, just outside gate by reservoir. MWD property (permit 28 Aug. 2003)., 34.295833 -114.230556, 308m
ARIZ
W.G. Spaulding 943 1980-11-21
United States, Nevada, Nye County, In the eastern Last Chance Range, at the north end of the Pahrump Valley., 36.351389 -116.051944, 884m
ARIZ
190310 W. E. Booth A-98 1973-09-18
United States, Arizona, Yuma County, Imperial Dam., 32.8831 -114.4641
ARIZ
375663 Mike Theroux near 1573 1975-10-05
United States, Arizona, Coconino County, Grand Canyon of the Colorado River, Cove Canyon, river mile 174.5 ( R ), 36.1086 -112.137
ARIZ
378903 L. C. Higgins 21671 2000-07-27
United States, Arizona, Mohave County, Beaver Dam., 600m
ARIZ
432850 Sarah J. De Groot 7232 2014-08-11
United States, California, San Bernardino County, Along Cadiz Road just south of the railroad tracks near Cadiz, just east of Cadiz, east of Bristol Dry Lake, south of the Marble Mountains, west of the Ship Mountains, 34.51545 -115.49212, 252m
ARIZ
398290 Sarah J. De Groot 3485 2003-12-12
United States, California, San Bernardino County, Whipple Mountains: Copper Basin: ~SW/W side of reservoir. MWD property (permit 28 Aug. 2003)., 34.293611 -114.237778, 313m
ARIZ
395932 Sarah J. DeGroot 3176 2003-09-27
United States, California, San Bernardino County, Whipple Mountains: Metropolitan Water District property (permit 28 Aug. 2003). Along MWD road near intersection with Parker Dam road. Wash with flowing water., 34.293056 -114.155556, 167m
ARIZ
W.G. Spaulding s.n. 1980-11-21
United States, Nevada, Nye County, In the eastern Last Chance Range, at the north end of the Pahrump Valley., 36.330556 -116.044444, 884m
ARIZ
422764 Duncan S. Bell 6526 2014-04-02
United States, California, Riverside, Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring., 33.5598 -115.66083, 422m
ASC
ASC00092364 G. Rink 6981 2008-05-06
United States, Arizona, Mohave, Surprise Canyon, CRM 248.4R, Tonto Bench and slopes north of the mouth of the canyon, 35.854444 -113.661667, 490m
ASC
ASC00078783 R. Harms s.n. 2003-09-21
United States, Arizona, Mohave, Sugarloaf Canyon. Lake Mead National Recreation Area, 36.00117 -114.7353, 288m
ASC
ASC00091324 K. Christie 1680 2008-10-05
United States, Arizona, Mohave, Grand Canyon National Park. 'Gneiss Canyon' (national park side), ca. 0.3 mi. upstream/N of the Colorado River., 35.78477 -113.52711, 430m
ASC
ASC00098116 G. Rink 10478 2011-04-25
United States, CALIFORNIA, Riverside, Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement, 33.441393 -114.797368
ASC
ASC00072738 L.E. Stevens s.n. 1992-10-29
United States, Arizona, Mohave, Grand Canyon National Park, Slimy Tick, Colorado River Mile 155R., 36.3 -112.75, 541m
ASC
ASC00128396 Wendy C. Hodgson 32699 2020-10-31
United States, Arizona, Mohave County, Grand Canyon National Park, Separation Canyon, river right., 35.823193 -113.569594, 377m
ASC
ASC00112946 G. Goodwin 5731 2016-11-29
United States, California, San Bernardino, About 35 miles north of Baker along Highway 127, 35.6178 -116.273617, 183m
DES
DES00099846 Robert F. Thorne s.n. 1990-09-25
USA, CA, San Bernardino, Eastern Mojave, Vicinity of New York Mountains, 35.331293 -115.24247, 1524m
DES
DES00065088 G. Rink 6981 2008-05-06
USA, ARIZONA, Mohave County, Grand Canyon National Park: Surprise Canyon, CRM 248.4R, Tonto Bench and slopes north of the mouth of the canyon, 35.854444 -113.661667, 490m
DES
DES00096501 Wendy C. Hodgson 32699 2020-10-31
USA, Arizona, Mohave County, Grand Canyon National Park, Separation Canyon, river right., 35.823193 -113.569594, 377m
DES
Robert F. Thorne s.n. 1990-09-25
USA, California, San Bernardino County, Eastern Mojave. [Vicinity of New York Mountains.]
DES
DES00068583 G. R. Ballmer s.n. 2006-09-15
USA, California, San Bernardino County, Northern Mojave Desert: Slate Range, Layton Pass east of Layton Spring (Layton Spring 7.5'Q), 35.689167 -117.146667, 920m
DES
DES00076918 David Charlton 1991-10-01
USA, California, Inyo County, Sand dunes 7 miles soputh of Trona on Pinnacle Rd., 35.677996 -117.392061
DES
DES00087039 Lucas C. Majure 6943 2017-09-26
United States, California, Imperial County, ca. 4 mi W of Felicity and 3 mi S of Ogilby from Hwy. 8 sand dunes off of Ogilby Rd., 32.75695 -114.83608, 61m
DES
DES00099278 Lucas C. Majure 8641 2021-05-08
United States, California, Imperial, N of the Cargo Muchacho Mts, off of Ogilby Rd, North of Tumco Historic Mine, just S of the junction with Hwy. 78, 32.069734 -114.912226
DES
DES00085324 Wendy C. Hodgson 29946 2014-09-11
USA, Arizona, Mohave County, Lake Havasu City, along highway 95, at Hobby Hobby Shopping Center., 34.503293 -114.349525, 160m
DES
DES00085305 Wendy C. Hodgson 29949 2014-09-11
USA, Arizona, Mohave County, East of Parker, along Osborne Wash, northeast of Black Peak., 34.133738 -114.183309, 160m
DES
DES00056809 Kate Watters 8 2004-09-10
USA, Arizona, Coconino County, Grand Canyon National Park, Ledges Camp, Colorado River Mile 151.5 R, 36.34335 -112.72388, 600m
GCNP
GRCA 82718 WATTERS, KATE 8 2004-09-10
USA, Arizona, Coconino, LEDGES CAMP, COLORADO RIVER MILE 151.5R , GRAND CANYON NP, 36.343345 -112.723881, 600m
GCNP
GRCA 100689 CHRISTIE, KYLE --MESZAROS, RYAN 1680 2008-10-05
USA, Arizona, Coconino, Escalante Route; Remote canyon draining Cardenas Butte to immediate west of Tanner Canyon, 1 mi south of Colorado River. Broad, dry riparian wash. , GRAND CANYON NP, 36.078536 -111.838979, 1006m
GCNP
GRCA 70449 RINK, GLENN s.n. 1997-10-10
USA, Arizona, Coconino, EMMIENCE BRAKE ROUTE, APPROX. 100 FEET ABOVE RIVER, ALONG TRAIL, EAST OF PRESIDENT HARDING RAPID AT COLORADO RIVER , GRAND CANYON NP, 914m
GCNP
GRCA 104165 RINK, GLENN 6981 2008-05-06
USA, Arizona, Mohave, SURPRISE CANYON, COLORADO RIVER MILE 248.4R, TONTO BENCH AND SLOPES NORTH OF THE MOUTH OF THE CANYON , GRAND CANYON NP, 35.042229 -111.774074, 488m
GCNP
GRCA 81516 BRIAN, NANCY J. 97-39 1997-05-11
USA, Arizona, Coconino, UN-NAMED CANYON AT RIVER MILE 121.5L, CONQUISTADOR AISLE , GRAND CANYON NP, 640m
GCNP
GRCA 80463 RINK, GLENN 174 2000-10-25
USA, Arizona, Coconino, WHITMORE TRAIL, COLORADO RIVER MILE 187.4R, IN BIG BAY 0.25 MILE FROM RIVER; EAST FACING CINDER SLOPE , GRAND CANYON NP, 579m
GCNP
GRCA 66366 STEVENS, LARRY E. s.n. 1994-09-30
USA, Arizona, Coconino, COLORADO RIVER MILE 122.8L , GRAND CANYON NP, 632m
USON:USON
26530 Jon. Rebman 4204 1997-09-06
United States, California, Imperial Co.: West of Plaster City: along painted Gorge Road., 32.883333 -115.85
UCR
Stephanie Rockwood 022 2011-09-21
United States, California, San Bernardino, Hwy 127 Afton exit to Arrow Head Road to Open Route 8337. Open Route 83313, boundary of Soda Mountains and fort Irwin Military Reservation, 35.15114 -116.45061, 506m
UCR
George K. Helmkamp 2547 1998-01-17
United States, California, Riverside, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal; Coachella Valley, 33.57283 -115.996, 15m
UCR
George K. Helmkamp 2544 1998-01-17
United States, California, Riverside, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal; Coachella Valley, 33.57283 -115.996, 15m
UCR
John F. Green s.n. 2010-10-22
United States, Nevada, Clark, site of proposed U.S. Army National Guard Readiness Center, 6400 Range Road, Las Vegas, 36.27944 -115.05722, 622m
UCR
Jim André 14961 2010-10-09
United States, California, San Bernardino, Colorado River Valley, along west side of Needles Hwy, 9.5 mi north of Needles, 34.97972 -114.67444, 174m
UCR
Sarah J. De Groot 3349 2003-10-10
United States, California, San Bernardino, Whipple Mountains: Gene Reservoir, across Black Meadow Landing Road from Gene Pumping Station, 34.29778 -114.175, 218m
UCR
V.W. Steinmann 1411 1999-09-19
United States, California, Riverside, Along Hwy 177, 10.4 km NE of the I-10 exit in Desert Center, 33.77833 -115.32278, 200m
UCR
George K. Helmkamp s.n. 1986-09-27
United States, California, San Bernardino, Along Salt Creek at the Salt Spring Hills 28 miles north of Baker on Hwy 127 [Death Valley Road], along Salt Creek; Mojave Desert, 35.63333 -116.28333, 183m
UCR
Jim André 15408 2010-10-04
United States, California, Inyo, northeast end of Owens Lake, along Hwy 136 10.0 mi east of Hwy 395 junction, north northwest of Keeler at “Swansea”, 36.51868 -117.90013, 1098m
UCR
G. Fred Hrusa 16742 2005-09-27
United States, California, San Bernardino, Death Valley Region; NE edge of Silver Lake on side of Hwy 127, adjacent to old mine, 35.37611 -116.1175, 274m
UCR
George K. Helmkamp s.n. 1995-03-16
United States, California, Riverside, below Coxcomb Mountains, west of Rice Rd, 10.3 miles northeast of Desert Center, 33.81944 -115.27472, 200m
UCR
LeRoy Gross 1164 2003-10-21
United States, California, San Bernardino, Cat Mountain in the Cronise Mountains, just north of the Hwy I-15, west of Baker. Basin Road exit, 35.11919 -116.29808, 355m
UCR
Jim André 13120 2010-04-18
United States, California, San Bernardino, Piute Valley, southwest base of Dead Mountains, along west side of Hwy 95 at Sacramento Spring, c. 0.5 mi north of Hwy I-40, 34.8975 -114.76861, 381m
UCR
G.R. Ballmer s.n. 2006-09-09
United States, California, San Bernardino, Slate Range, Layton Pass east of Layton Spring, 35.68917 -117.14667, 917m
UCR
A.C. Sanders 37269 2010-02-18
United States, California, Imperial, SW side of Hwy 111 at Niland Marina Rd, dry upper edge of Salton Sea, at near Frink bench mark, 33.36056 -115.64722, -51m
UCR
George K. Helmkamp 5362 2000-04-04
United States, California, San Bernardino, beside the California-Arizona border near Topock, AZ, 34.72 -114.49, 152m
UCR
Sarah J. De Groot 3176 2003-09-27
United States, California, San Bernardino, Whipple Mountains, Metropolitan Water District property. Along MWD road near intersection with Parker Dam Road, 34.29306 -114.15556, 167m
UCR
UCR0102759 John C. Roos s.n. 1965-07-11
United States, California, Inyo, Stovepipe Wells, Death Valley; Death Valley, 36.60611 -117.14556
UCR
Jim André 14993 2010-09-06
United States, California, Inyo, Amargosa River drainage along Hwy 127 just north of Tecopa Hot Springs, 0.5 mi south of Shoshone, 35.9549 -116.26763, 501m
UCR
Scott D. White 10898 2005-04-14
United States, California, Riverside, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal, 33.65 -116.08333, 24m
UCR
Jim André 9472 2008-01-03
United States, California, San Bernardino, Kelso Dunes, Mojave National Preserve, south side of Kelso Dunes, along transmission line dirt road, c. 4 mi east of main public parking area in Carr Canyon wash, 34.86953 -115.77364, 676m
UCR
Michael W. Skenfield s.n. 1961-03-26
Mexico, Baja California (norte), Mexicali, Along Mexico Route 5 near Rio Hardy, 32.15833 -115.30222, 153m
UCR
George K. Helmkamp 1270 1996-12-09
United States, Arizona, Mohave, Lake Mohave at Katherine Landing north of Bullhead City; Lake Mohave, 35.22139 -114.56306, 107m
UCR
Steve Boyd 791210--02 1979-12-10
United States, California, Inyo, Death Valley National Monument [now Nat. Park], Artists Drive loop road, 36.35833 -116.79778, 244m
UCR
UCR0102758 John C. Roos s.n. 1950-08-07
United States, California, Inyo, China Ranch near Tecopa Pass; Mojave Desert, 35.80139 -116.19444, 427m
UCR
LeRoy Gross 1164 2003-10-21
United States, California, San Bernardino, Cat Mountain in the Cronise Mountains, just north of the Hwy I-15, west of Baker. Basin Road exit, 35.11919 -116.29808, 355m
UCR
A.C. Sanders 2958 1982-09-09
United States, California, San Bernardino, Marble Mountains, upper Cadiz Valley. Chambless, on Hwy 66 north of Cadiz; Mojave Desert, 34.56139 -115.54389, 236m
UCR
James Henrickson 17010 1978-05-12
United States, California, San Bernardino, Garlic Springs, c. 33 miles northeast of Barstow, 3 miles southeast of Fort Irwin Headquarters at south end of Tiefort Mountains; Central Mojave Desert, 35.23 -116.64222, 698m
UCR
Michael Denslow 1916 2004-02-20
United States, California, Imperial, Borrego Badlands, between Salton City and Borrego Springs, S22 the Borrego Salton Seaway, 33.27028 -116.0325, 72m
UCR
M. Sears 521 1977-10-10
United States, California, Riverside, 6.1 miles NE of Desert Center on Hwy 177 [Rice Road]; Colorado Desert, 33.78333 -115.31667, 163m
UCR
R.F. Thorne 53895 1979-10-20
United States, California, Inyo, along roadside just south of Tecopa Hot Springs; Mojave Desert, 35.86806 -116.23361, 427m
UCR
James Henrickson 16340 1977-10-23
United States, California, San Bernardino, c. 4 miles north of Baker, Silver Dry Lake area; Eastern Mojave Desert, 35.31417 -116.0825, 280m
UCR
James Henrickson 16226 1977-10-01
United States, Arizona, Yuma, 1.2 miles east of Dateland exit along Hwy I-8; Colorado Desert, 32.79917 -113.54611, 134m
UCR
LeRoy Gross 1197 2003-10-21
United States, California, San Bernardino, east side of the Soda Mountains, north of Hwy I-15, west of Baker. Along jeep trail to Blue Bell Mine, Zzyzx Road exit, 35.22056 -116.14939, 485m
UCR
Jon P. Rebman 6547 2000-04-20
United States, California, Imperial, NW of El Centro, E side of Fish Creek Mtns and west of Salton Sea, 33.00694 -115.98528
UCR
Frank C. Vasek s.n. 1956-10-14
United States, California, San Bernardino, Cathedral Canyon -- wash near Cave Mtn, east of Barstow; Mojave Desert, 35.08333 -116.34167
UCR
John Wear s.n. 1993-06-23
United States, California, Inyo, Death Valley Junction [to 10 km N and 5 km south of town], 36.30233 -116.41428, 623m
UCR
Chris E. True s.n. 2003-09-26
United States, California, Riverside, Canyon Spring, Orocopia Mtns., 33.54361 -115.65306, 372m
UCR
George K. Helmkamp 3357 1998-04-19
United States, California, San Bernardino, northwest side of East Cronese Lake, about 15 miles west of Baker, 35.13417 -116.28833, 335m
UCR
George K. Helmkamp 2619 1998-01-24
United States, California, Imperial, CAHwy 78, 2 miles northeast of Glamis, 33.01 -115.04833, 168m
UCR
Tasha La Doux 372 2008-01-19
United States, California, San Bernardino, Bristol Mountains; along gas pipeline road, 8.5 miles west of Kelbaker Road, c. 2 miles south of Hwy I-40, 34.66694 -115.79864, 742m
UCR
Jon P. Rebman 4204 1997-09-06
United States, California, Imperial, West of Plaster City, along Painted Gorge Road, north of Hwy S-80; Yuha Desert, 32.76056 -115.9375, 40m
UCR
Lawrence T. McHargue s.n. 1966-11-18
United States, California, Riverside, 0.5 mi, ex Otto Moore Ranch, 1000 Palms 15’ Q., 33.81056 -116.38, 55m
UCR
Scott D. White 9180 2003-05-03
United States, California, Imperial, Fish Creek Mountains, unnamed canyon draining SW-facing slope of the mtns; south of the operating US Gypsum quarries, 33 -116.06667, 152m
UCR
Karen Kirtland s.n. 1998-11-06
United States, California, Riverside, sand and gravel mine c. 8 miles (airline) north of Blythe, southwest of Big Maria Mtns. on Midland Road; Sonoran Desert, 33.70833 -114.62639, 137m
UCR
Thomas R. Stoughton 728 2010-12-15
United States, California, Riverside, Palen Valley. Hwy 177. N of Desert Center. Site #2; Mojave Desert; East Mojave Desert region, 33.82164 -115.26953, 274m
UCR
Tidestromia oblongifolia var. oblongifolia (S. Wats.) Standl.
Lawrence T. McHargue s.n. 1971-11-20
United States, California, Riverside, side canyon near the mouth of Painted Canyon, c. 5 miles north of Mecca, 33.58972 -116.00944, 30m
UCR
Duncan S. Bell 2005 2010-10-23
United States, California, San Bernardino, northeast section of the Arica Mountains, northwest section of Rice Valley, ghost town of Rice, 34.08389 -114.85075, 284m
UCR
George K. Helmkamp 3342 1998-04-18
United States, California, San Bernardino, north side of Dumont Sand Dunes, 5.2 miles east of Calif. Hwy 127, 35.69933 -116.21167, 305m
UCR
B.G. Pitzer 3491 1998-02-02
United States, California, Imperial, Algodones Dunes, south terminus of Ogilby Road, on south side of Hwy I-8, south end of dunes; Algondones Dunes, 32.75667 -114.83667, 61m
UCR
L.C. Higgins 28386 2008-09-17
United States, Arizona, Mohave, Whitmore Volcano, 36.17992 -113.23277, 1063m
UCR
Jim André 9811 2008-09-23
United States, California, San Bernardino, Ivanpah Valley, Umberci Mine, c. 1 mi north of major transmission line, 35.61056 -115.49333, 1030m
UCR
Jon P. Rebman 3796 1997-03-02
Mexico, Baja California (norte), Mexicali, south of Mexicali, southwest of Cerro Prieto, c. 1 mile west of Hwy 5 at km 27, 2.6 miles north of Ejido Nayarit/Col. La Puerta; Sierra Cucapah, 32.36889 -115.35556
UCR
Jim André 16361 2011-04-09
United States, California, San Bernardino, southeast end of Marble Mountains, 3.5 mi north northeast of Chambliss at US Hwy 66, in rugged canyon at end of 4WD dirt road at historic mine site, 34.5855 -115.50482, 390m
UCR
John F. Green s.n. 2005-10-12
United States, Nevada, Clark, eastern Ivanpah Valley, along pipeline route parallel to I-15, c. 4 miles NE of Jean, NW of Jean Lake, 35.82944 -115.28722, 915m
UCR
A.C. Sanders 28987 2004-10-10
United States, California, San Bernardino, Cadiz Valley c. 4.5 miles north of Hwy 62, along rel. straight dirt road up west side of valley toward Calumet Mine and Bristol Lake, 34.13389 -115.36528, 315m
UCR
Jim André 9751 2008-02-09
United States, California, San Bernardino, Bristol Mountains, north side of railroad tracks at Bish Mountain, the reddish brown cinder cone c. 9.5 mi west of town of Amboy, just 1/2 mile north of Route 66 (National Trails Highway), 34.60644 -115.94308, 338m