UCR
R.D. Worthington 12889 1985-03-31
Mexico, Chihuahua, Juarez, Samalayuca Dunes, at rest area along Hwy 45 c. 25 km south of Juarez, 31.25 -106.5, 1250m
UCR
R.D. Worthington 11664 1984-03-31
Mexico, Chihuahua, Ciudad Juarez, on the south side of the Sierra Juarez, 31.38439 -106.36419, 1350m
UCR
A.C. Sanders 3526 1983-03-07
Mexico, Sonora, Caborca, North end of the Sierra El Viejo in the large canyon containing the Mina Santa Cruz, 25 miles SW of Caborca, 30.36667 -112.36667, 520m
UCR
R.D. Worthington 31982 2003-04-19
United States, New Mexico, Dona Ana, West Potrillo Mtns, volcanic cinder cone E of Guzman’s Lookout and N of the Columbus Hwy, 31.81017 -107.1695, 1280m
UCR
A.C. Sanders 42723 2017-03-07
United States, California, Imperial, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains, 33.12362 -114.95508, 409m
UCR
A.C. Sanders 25781 2003-03-14
United States, California, Los Angeles, long-abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel, 34.13194 -117.92917, 159m
UCR
Steven A. Junak 6367 1998-04-21
United States, California, Santa Barbara, San Miguel Island; NE side of island, on south side of low ridge c. 0.36 mile east of NPS campground, 34.03919 -120.34231, 143m
UCR
Wendy C. Hodgson 3415 1985-03-21
United States, Arizona, Maricopa, Yellow Medicine Hills, just NE of Gila Bend Mountains, 33.28556 -112.96028, 366m
UCR
George K. Helmkamp 90--97 1990-05-02
United States, Arizona, Pima, on the road (Hwy 386) to the top of Kitt Peak Observatory, south of AZ Hwy 86, 31.97278 -111.61833, 1524m
UCR
LeRoy Gross 3198 2008-04-10
United States, California, Inyo, northwest area of Eagle Mountain, east of Hwy 127, around the Amargosa River, southern portions of the alkali flat, to steep slopes of the mountain, 36.23047 -116.37025, 598m
UCR
Lyman Benson 10975 1941-11-14
United States, Arizona, Santa Cruz, Sycamore (Bear) Canyon, east of Ruby, 31.42389 -111.195, 1524m
UCR
A.C. Sanders FCM--017 1977-03-31
United States, Arizona, Cochise, 1.25 miles east of Portal along the road to Rodeo, NM, 31.91083 -109.11611, 1400m
UCR
Ann Howald 3558 2016-05-05
United States, California, Mono, Volcanic Tableland, Gorge Road, c. 2.1 miles north of intersection with Hwy 395, 37.46644 -118.56186, 1574m
UCR
George K. Helmkamp s.n. 1976-05-31
United States, Arizona, Yavapai, Rest stop c. 7 mi west of Ashfork, 35.23361 -112.6175, 1707m
UCR
Nathan Moorhatch s.n. 2003-04-02
United States, California, Riverside, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City, 33.78333 -116.45694, 91m
UCR
A.C. Sanders 24095 2001-05-03
United States, California, Riverside, Hemet, SE corner of State Street at Gibbel Rd, 1712 ft hill at east end of Diamond Valley, 33.7 -116.96667, 494m
UCR
A.C. Sanders 37713 2010-04-02
United States, California, Riverside, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14°) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd., 33.74 -117.41028, 418m
UCR
Larry Hendrickson 3601 2009-03-30
United States, California, San Diego, Anza Borrego Desert State Park, Rockhouse Canyon, a major tributary of Carrizo Wash. 2.7 mi south of intersection of County Road S-2 and Carrizo Wash jeep trail. Square: Q27, 32.80961 -116.21389, 292m
UCR
A.C. Sanders 12262 1992-05-01
United States, California, San Bernardino, east of Water Canyon Rd. on Birmingham Ranch in Water Canyon, north side of Wildwood Canyon, east of Yucaipa, 34.02194 -116.99472, 976m
UCR
James D. Morefield 3239 1986-03-11
United States, California, Inyo, Saline Valley, near intersection of Saline Valley and Racetrack Valley Roads. Nelson Range divide, 36.62194 -117.64778, 655m
UCR
James D. Morefield 3363 1986-04-08
United States, California, Inyo, Near SW base of Black Mountain, 1.8 mi N 4° west of Wilkerson Springs. Owens Valley drainage, 37.20917 -118.24889, 1326m
UCR
George K. Helmkamp 7295 2002-04-02
United States, Arizona, Cochise, west of Benson, southwest of the junction of Hwy I-10 and AZ-90, 31.96167 -109.15444, 1250m
UCR
A.C. Sanders 16170 1995-03-19
United States, California, Riverside, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.), 33.84667 -116.58333, 490m
UCR
A.C. Sanders 16234 1995-03-22
United States, California, Riverside, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon, 33.91833 -116.69778, 400m
UCR
A.C. Sanders 41283 2015-03-06
United States, California, Imperial, Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range, 33.29822 -115.29152, 457m
UCR
A.C. Sanders 16261 1995-03-29
United States, California, Riverside, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village, 33.9 -116.66667, 335m
UCR
A.C. Sanders 16089 1995-03-12
United States, California, Riverside, alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon, 33.47167 -116.14
UCR
A.C. Sanders 36581 2009-03-25
United States, California, San Bernardino, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 miles NE of Sleeping Beauty Mtn., 34.81333 -116.25167, 579m
UCR
F.M. Reed 4175 1920-03-24
United States, California, Riverside, Murray Canyon [tributary of Palm Canyon], Palm Springs region, east slope of San Jacinto Mountains, 33.75583 -116.54111, 183m
UCR
A.C. Sanders 29462 2005-04-13
United States, California, Los Angeles, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon, 34.4275 -118.44833, 457m
UCR
Tim Thomas 2068 1998-04-26
United States, California, San Bernardino, 29 Palms Marine Corps Base; Noble Pass Peak, 34.52444 -116.17778, 880m
UCR
N. Miles Fellows 133 1985-04-09
United States, California, Riverside, north foot of San Jacinto Mountains. Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon, 1 mile west of Snow Creek Village, 33.89167 -116.69278, 489m
UCR
A.C. Sanders 1390 1980-05-02
United States, California, Riverside, University of California Motte Reserve, in rocky hills 2.5 miles northwest of Perris, 33.81389 -117.25333, 518m
UCR
A.C. Sanders 21769 1998-05-12
United States, California, San Bernardino, tower #46-5 on powerline at SW corner of Lugo Substation (So. Calif. Edison) near Hesperia; Mojave Desert, 34.38194 -117.37639, 1143m
UCR
John C. Roos 5483 1952-04-09
United States, California, Riverside, Hill by Fairmount Park, Riverside, 33.99389 -117.37611, 259m
UCR
D.E. Bramlet 3760 2005-04-04
United States, California, Riverside, Hill 2081, W of Hemet, NE of Winchester, E of Winchester Rd, S of Hwy 74, 33.72583 -117.06444, 473m
UCR
Steve Boyd 226 1980-05-11
United States, California, Riverside, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road, 33.80861 -117.35778, 625m
UCR
F.M. Reed 904 1906-03-13
United States, California, Riverside, Riverside, sec. 30 corner of Reserve Ranch, near east 8th St., 33.96806 -117.34, 305m
UCR
F.M. Reed 2317 1908-04-26
United States, California, Riverside, Riverside. Along Crestmore railroad north of Fairmount Park, 34.00917 -117.38194
UCR
R.G. Swinney 14828 2011-05-24
United States, California, Los Angeles, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn, 2 miles W of Angeles Forest Hwy, 34.42806 -118.11667, 1049m
UCR
F.M. Reed 919 1906-03-17
United States, California, Riverside, Riverside: mouth of south fork of Arroyo Tequesquite [Sycamore Canyon], 33.95333 -117.34444, 335m
UCR
F.M. Reed 9236 1935-04-12
United States, California, Riverside, San Jacinto River bottom, 5 mi south of Perris, 33.71833 -117.25611, 427m
UCR
George K. Helmkamp s.n. 1995-03-16
United States, California, Riverside, 5.6 miles NE of Desert Center on Rice Rd., 33.76944 -115.33333, 152m
UCR
A.C. Sanders 38919 2011-03-30
United States, California, Riverside, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore, 33.71111 -117.31306, 479m
UCR
UCR0165228 R.G. Swinney 24520 2021-04-01
United States, California, Los Angeles, La Verne, Golden Hills Wilderness Park, 2300 Golden Hills Rd, 34.14361 -117.75833, 444m
UCR
John C. Roos s.n. 1966-03-20
United States, California, Riverside, Chuckwalla Mountains, 2 miles southeast of Desert Center, 33.69167 -115.37917, 305m
UCR
M. Sears 827 1978-03-16
United States, California, Riverside, 2.5 miles NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns, 33.89861 -114.8125, 270m
UCR
Jim André 33918 2015-03-20
United States, Arizona, Maricopa, south side of Hwy 93/60, c. 15 miles south-southeast of Wickenburg, 40 miles northwest of Phoenix, 33.81135 -112.57462, 585m
UCR
A.C. Sanders 6125 1986-03-03
United States, California, Riverside, Chuckwalla Mountains, Corn Spring, wash below the spring and wash and rocky slopes to the south, 33.62472 -115.32444, 489m
UCR
A.C. Sanders 12152 1992-04-04
United States, California, Riverside, McCoy Mountains, within 0.5 mile of McCoy Spring, 33.73361 -114.90778, 244m
UCR
Jim André 7403 2006-04-20
United States, California, San Bernardino, Mid Hills: lower slopes of the far north end of Wildhorse Mesa, c. 1.5 miles west of Wildhorse Canyon Rd, 35.04936 -115.45414, 1530m
UCR
A.C. Sanders 16126 1995-03-15
United States, California, Riverside, Coachella Valley. Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, 33.91667 -116.63333, 329m
UCR
A.C. Sanders 21842 1998-05-12
United States, California, San Bernardino, 1.6 mi. NW of Phelan Road along powerline, near tower 35-3, c. 3 miles NE of Phelan; Mojave Desert, 34.44 -117.55, 1152m
UCR
A.C. Sanders 14589 1994-05-30
United States, California, Riverside, NNE of Beaumont at Highland Springs, hills north of the end of Bellflower Ave, at Dutton St., 33.97778 -116.95056, 950m
UCR
Jim André 31567 2015-03-29
United States, California, San Bernardino, north end of Marble Mountains, 0.5 mi east of Kelbaker Road, 0.8 mi south of Hwy 40, 34.71367 -115.66995, 885m
UCR
A.C. Sanders 16385 1995-04-05
United States, California, Riverside, Coachella Valley; south of Mission Creek and west of Hwy 62, 33.99028 -116.59778, 518m
UCR
A.C. Sanders 35004 2008-04-22
United States, California, Orange, Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir, 33.73508 -117.7217, 213m
UCR
A.C. Sanders 17993 1996-03-17
United States, California, Riverside, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr, at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd, 33.80139 -116.44056, 98m
UCR
A.C. Sanders 15992 1995-03-05
United States, California, Riverside, Orocopia Mtns, Maniobra Valley, 1.6-3.0 miles south of frontage road (old Hwy 60) along Hwy I-10, south to edge of BLM wilderness, 33.63361 -115.73472, 556m
UCR
Steve Boyd 11046 2004-05-04
United States, California, San Diego, hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05, 33.349 -116.661, 1098m
UCR
Barry A. Prigge 3379 1979-06-05
United States, California, San Bernardino, New York Mountains, Caruthers Canyon, 35.23694 -115.30028, 1951m
UCR
N.D. Atwood 30923 2005-05-16
United States, Utah, Grand, White Wash Sand Dune, 38.76283 -110.08567, 1250m
UCR
A.C. Sanders 3822 1983-05-22
United States, California, San Bernardino, Government Holes, east edge of Round Valley, Mid Hills area, 35.1475 -115.35972, 1540m
UCR
A.C. Sanders 1149 1980-03-15
United States, California, San Bernardino, Whipple Mtns, along Whipple Wash 0-4 mi upstream of powerline road, c. 13 mi north of Parker, AZ, 34.3375 -114.28861, 244m
UCR
A.C. Sanders 30176 2005-05-11
United States, California, Los Angeles, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Canyons, 34.44944 -118.44972, 579m
UCR
A.C. Sanders 13637 1993-03-28
United States, California, San Bernardino, Waterman Canyon, l km west of Arrowhead Hot Spring Hotel, at and below the first stream crossing of Old Waterman Canyon Road, 34.18917 -117.27139, 600m
UCR
Ann Howald 3594 2016-05-07
United States, California, Mono, Volcanic Tableland, Gorge Road, c. 2.1 miles north of intersection with Hwy 395, 37.46644 -118.56186, 1576m
UCR
R.G. Swinney 8243 2005-05-21
United States, California, Los Angeles, west of Devil’s Punchbowl County Park, at the junction of Holmes Creek and Watson Creek, 34.43333 -117.87417, 1241m
UCR
F.M. Reed 3884 1917-05-27
United States, California, San Bernardino, Mill Creek Canyon, 34.10361 -117.00917, 1067m
UCR
B.G. Pitzer 81 1986-04-17
United States, California, San Bernardino, Mescal Range, c. 6.7 miles SE of Hwy I-15 on Cima Rd, then about 6.0 miles NNE on unnamed dirt road, 35.43583 -115.56444, 1585m
UCR
A.C. Sanders 887 1978-04-06
United States, California, San Bernardino, Ward Valley, east of the Old Woman Mountains. Along Homer Wash where the gas line road crosses, 34.68417 -114.94194, 538m
UCR
A.C. Sanders 20640 1997-05-04
United States, California, Riverside, north side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740; San Jacinto Mountains, 33.89167 -116.85833, 1067m
UCR
A.C. Sanders 6980 1987-04-04
United States, California, San Bernardino, Hart Mine, SW end of Castle Mountains, 35.28639 -115.105, 1375m
UCR
Brian L. Phillips 1056 1991-04-04
United States, California, San Bernardino, Twentynine Palms Marine Corps Base, Cleghorn Pass artillery range, in and around washes of desert floor near Gopherus agasizii study plot, 34.29556 -115.94, 655m
UCR
D.E. Bramlet 4119 2008-03-26
United States, California, Orange, Bee Canyon, Bowerman landfill site. 202 m south of the Bee Canyon access road and 151 m west of the active landfill entrance, 33.71859 -117.71131, 295m
UCR
A.C. Sanders 16310 1995-04-01
United States, California, San Bernardino, 3 mi east of Hwy 395 at a point 14.8 mi north of Adelanto (Air Base Road), on a dirt road to scattered residences, 34.77722 -117.42917, 810m
UCR
A.C. Sanders 29195 2005-03-11
United States, California, San Diego, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons c. 0.75 mile south of Cerro de la Calavera, SW of the end of Cannon Rd., 33.15833 -117.27944, 91m
UCR
R.G. Swinney 3657 1995-05-01
United States, California, San Bernardino, Sheep Creek near Piñon Hills, 0.3 mi. south of Hwy 138 at Scrub Oak Rd., 34.41278 -117.60556, 1354m
UCR
Ed LaRue s.n. 1995-04-19
United States, California, San Bernardino, Avawatz Mountains, Denning Spring, 35.5875 -116.46833, 570m
UCR
A.C. Sanders 16659 1995-04-23
United States, California, San Bernardino, Two Hole Spring, north foot of the mtns, SE of Lucerne Valley, near mouth of Rattlesnake Canyon, 34.33833 -116.69194, 1159m
UCR
A.C. Sanders 16709 1995-04-23
United States, California, San Bernardino, Rattlesnake Canyon near Rattlesnake Spring, 34.33444 -116.70417, 1220m
UCR
T.B. Salvato 12005 2023-04-24
United States, California, Riverside, foothills, east slope. Wildomar, between Claremont St and McVicar St, west of Grand Ave, 33.5875 -117.26933, 1000m
UCR
A.C. Sanders 27669 2004-04-23
United States, California, San Diego, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons c. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd., 33.15972 -117.2725, 91m
UCR
B.G. Pitzer 2323 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
A.C. Sanders 25817 2003-04-02
United States, California, San Bernardino, Colton Dunes, north of Santa Ana Ave and east of Riverside Ave, on the east side of the tank farm, south of Slover Ave., 34.05778 -117.36333, 274m
UCR
A.C. Sanders 17159 1995-05-28
United States, California, San Bernardino, Ord Mtns area on north slope, 0.5 mile NW of Bowen Ranch, south of Juniper Flats, 34.367 -117.16683, 1400m
UCR
R.G. Swinney 14871A 2011-05-26
United States, California, Los Angeles, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy, nameless cyn. to the east of Beartrap Cyn., 34.42778 -118.11639, 1061m
UCR
A.C. Sanders 16917 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
UCR0165277 Scott D. White 15476 2023-03-31
United States, California, Riverside, western foothills; Riverside Conservation Authority property south of Bautista Canyon and east of Santa Rosa Hills. Unnamed road c. 0.6-0.8 air mile south of Bautista Canyon Rd, 33.7 -116.88333, 610m
UCR
A.C. Sanders 17999 1996-03-24
United States, California, San Bernardino, NE corner of intersection of Hwy 395 and Bear Valley Road, north of a gas station., 34.48333 -117.41667, 991m
UCR
A.C. Sanders 26279 2003-05-01
United States, California, Los Angeles, NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch, 34.49833 -118.59167, 396m
UCR
Mitch Provance 316--06 2016-03-28
United States, California, Tulare, NE base of Rocky Hill, near shore of Lake Success, NW to SE dirt road and SCE ROW (no poles currently present), 36.08539 -118.93611, 200m
UCR
Scott D. White 2591 1995-03-24
United States, California, Kern, Just east of Old River Road, midway between Herring Road and Copus Road c. 10 mi NW of I-5/SR 99 interchange, 35.13333 -119.1, 91m
UCR
Scott D. White 2959 1995-04-27
United States, California, Los Angeles, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way, 34.03528 -118.7, 92m
UCR
A.C. Sanders 32490 2006-05-22
United States, California, Riverside, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., 33.62139 -117.1775, 488m
UCR
Ann Howald 4104 2017-05-02
United States, California, Mono, Sherwin Hill, west edge, 0.1 mile west of Old Sherwin Grade Rd, 2.6 miles south of its intersection with Swall Meadows Rd., 37.48942 -118.60964, 1626m
UCR
A.C. Sanders 38014 2010-04-23
United States, California, Riverside, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd., 33.64125 -117.20611, 518m
UCR
Arnold Tiehm 19055 2022-06-02
United States, Nevada, Elko, south of Franklin Lake.1.7 road miles east of main west side north-south road on rd to Ruby Wash, 40.30433 -115.42189, 1829m
UCR
A.A. Heller 7373 1904-04-29
United States, California, Santa Clara, Summit of the first ridge west of Los Gatos, 37.23042 -122.03972, 697m
UCR
A.C. Sanders 37486 2010-03-16
United States, California, Riverside, SE side of McCoy Mountains, upper part of wash c. 4.5 miles NW of Blythe Airport, c. 3.5 miles ENE of McCoy Peak, 33.65611 -114.79306, 204m