UCR
Dan S. Cooper 315--23 2015-03-22
United States, California, Los Angeles, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery, 34.12167 -118.28528, 250m
UCR
Jon P. Rebman 6229 2000-03-20
Mexico, Baja California (norte), Tijuana, Central part of South Island above military facility, 32.41278 -117.24556
UCR
Scott D. White 1113 1993-03-05
United States, California, Orange, Tustin. Marine Air Corps Air Station: southeast of Red Hill Ave and northeast of Barranca, 33.7 -117.81667, 15m
UCR
A.C. Sanders 23234 1999-11-11
United States, California, San Bernardino, Redlands, north side of Lugonia Ave at California St; San Bernardino Valley, 34.07056 -117.22639, 354m
UCR
George K. Helmkamp 8851 2004-10-08
United States, California, San Luis Obispo, Biddle Regional Park, 7 mi NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek, 35.17806 -120.515, 136m
UCR
B.G. Pitzer 3505 1998-02-02
United States, California, Imperial, extension of Sidewinder Road, south and west of Pilot Knob RV park/campground, c. 1 mile airline SW of Pilot Knob, on and adjacent to northern berm of All-America Canal, c. 3.2 road miles past the RV park; Colorado Desert, 32.73583 -114.75778, 61m
UCR
John F. Green 0408--05 2008-04-15
United States, California, Riverside, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave, east of Day St., 33.86222 -117.27389, 483m
UCR
Karin Cleary-Rose s.n. 1995-06-22
United States, California, Ventura, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana, 34.30278 -118.69694, 366m
UCR
Steven A. Junak MA--430 2001-07-17
United States, California, Ventura, Middle Anacapa Island, north side of island, west of Sea Arch Peninsula, c. 0.42 mile west of Landing at Sheep Camp, 34.00694 -119.40306, 21m
UCR
Tim Thomas 2289 1999-05-30
United States, California, Kern, San Emigdio Ranch, lower campground in San Emigdio Canyon, 34.98339 -119.18661, 492m
UCR
A.C. Sanders 31414 2005-07-13
United States, California, San Diego, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek, from Clevenger Cyn. confluence downstream to 600 ft. level at section line, 33.08972 -116.90722, 183m
UCR
John F. Green s.n. 2005-03-10
United States, California, Imperial, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 15 and 16, c. 2 miles NE of Frink and c. 10 miles east of Bertram, 33.37475 -115.60942, 23m
UCR
R.G. Swinney 17110 2015-04-03
United States, California, Los Angeles, Pasadena, Eaton Canyon Natural Area and Nature Center, 1750 N. Altadena Drive, on east side of dirt service road above nature center, 100 m east of Altadena Dr, c. 500 m north of New York Dr., 34.18194 -118.09639, 305m
UCR
A.C. Sanders 20063 1997-03-19
United States, California, Riverside, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner; Lake Skinner area, 33.61667 -117.025, 549m
UCR
A.C. Sanders 37379 2010-03-12
United States, California, Los Angeles, Madrona Marsh, Torrance, 33.82611 -118.34278, 24m
UCR
J.J. Jimenez-Osornio 120A 1989-04-21
Mexico, Distrito Federal, Tlahuac, Tlahuac District: chinampas at San Andrés Mixquic, 40 km SE of Mexico City and 7.5 km west of Chalco in the Chalco Lake basin, 19.225 -98.96361, 2250m
UCR
John F. Green s.n. 2005-03-14
United States, California, Riverside, East of north shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29, 33.52111 -115.84611, 24m
UCR
A.C. Sanders 24522 2001-07-27
Mexico, Baja California (norte), Ensenada, Arroyo Jatay, from Hwy 1 crossing upstream c. 1.5 miles, inland from Bajamar near site of Jatay, 32.02667 -116.85778, 75m
UCR
Mark A. Elvin 3403 2004-05-02
United States, California, Orange, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center, 33.6575 -117.85306, 3m
UCR
L.C. Higgins 26396 2005-04-09
United States, Arizona, Maricopa, City center of Chandler at junct. of Ray & Arizona Blvd, 33.32083 -111.84139, 274m
UCR
George K. Helmkamp 2705 1998-02-18
United States, California, Riverside, Little Maria Mountains. Midland Road, 3.8 miles southeast of Midland; Colorado Desert, 33.81833 -114.74972, 198m
UCR
A.C. Sanders 41917 2016-01-20
United States, California, Imperial, Chocolate Mountains, lower Salvation Wash below confluence of E and N forks, US Navy Chocolate Mountains Aerial Gunnery Range, 33.2412 -115.29828, 267m
UCR
R.F. Thorne 57870 1984-02-19
Mexico, Baja California (norte), Ensenada, Cañon de Guadalupe, east face of Sierra de Juárez, along road just below hot springs, 32.15417 -115.78944, 360m
UCR
Dan S. Cooper 1011--121 2011-10-06
United States, California, Los Angeles, Griffith Park, Western Canyon, debris basin at north end of picnic area, 34.11728 -118.30633, 205m
UCR
George K. Helmkamp 8937 2005-02-18
United States, California, Santa Barbara, Solomon Hills SE of Santa Maria along Dominion Road, 1.9 mi. SE of its junction with Clark Avenue, 34.84306 -120.33611, 259m
UCR
Steve Boyd 3345 1989-04-21
Mexico, Baja California Sur, Mulege, North of Bahia Tortugas on road to Punta Eugenia, about 0.9 mi south of road to El Playon, 27.71611 -114.91361, 25m
UCR
A.C. Sanders 7518 1987-12-29
Mexico, Baja California Sur, Mulege, Bahia Concepción, SE corner of the bay at the base of the peninsula, 26.58333 -111.67083, 8m
UCR
A.C. Sanders 42240 2016-03-15
United States, California, Imperial, Chocolate Mountains, c. 1.1 km NNE of Beal Well, north side of a rocky hill east of old Niland-Blythe Rd., 33.3464 -115.32497, 442m
UCR
Scott D. White 91--29 1991-04-07
Mexico, Baja California (norte), Ensenada, Cataviña area, petroglyph site near confluence of Arroyo El Potrerito and Arroyo El Palmarito, 29.76667 -114.75, 600m
UCR
R.G. Swinney 11790 2010-03-10
United States, California, Los Angeles, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes, 34.26889 -118.37639, 305m
UCR
Elizabeth Makings 1927 2005-03-04
United States, Arizona, Maricopa, unnamed wash between Palo Verde Mountains and Haley Hills just west of Papago Butte Road and town of Maricopa, 32.97194 -112.13722, 396m
UCR
Steven A. Junak SC--3729 1993-04-23
United States, California, Santa Barbara, Santa Cruz Island. Mouth of Scorpion Canyon, 34.0485 -119.55711, 3m
UCR
A.C. Sanders 41304 2015-03-06
United States, California, Imperial, Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range, 33.26208 -115.28807, 326m
UCR
R.G. Swinney 10093 2009-03-11
United States, California, Los Angeles, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, 34.16278 -117.88778, 296m
UCR
Mitch Provance 715 1998-06-24
United States, California, Riverside, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701.; Jurupa Mountains, 34.021 -117.44617, 335m
UCR
George K. Helmkamp 6262 2001-03-16
United States, California, Imperial, Imperial Valley, Andre Rd. and Lack Rd, southwest of Westmorland, 33.01556 -115.64694, -46m
UCR
Jon P. Rebman 29362 2015-02-24
United States, California, San Diego, Camp Pendleton, central portion of Base, India Training Area, north of Basilone Road and east of Roblar Road, along a trail in a canyon bottom. Square: D5, 33.35719 -117.35039, 140m
UCR
Lorraine Weller 082010--15 2010-08-20
United States, California, Los Angeles, Los Angeles, Koreatown area, Rosewood Community Gardens, 4160 1/2 Rosewood Ave., 34.07861 -118.29556, 84m
UCR
Mitch Provance 85 1998-02-17
United States, California, Riverside, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St.; Jurupa Mountains, 34.025 -117.43633, 348m
UCR
A.C. Sanders 35007 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
John F. Green s.n. 2005-03-14
United States, California, Riverside, East of north shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30, 33.51306 -115.87667, 24m
UCR
B.G. Pitzer 4227 2000-10-14
United States, California, Riverside, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe, 33.60472 -114.97333, 110m
UCR
Joseph Cahill 3125B 2009-05-02
United States, California, Ventura, Oxnard, end of Arnold Road where beach begins, 34.12307 -119.15853, 3m
UCR
A.C. Sanders 26273 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
B.G. Pitzer 2862 1996-05-05
United States, California, Los Angeles, Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. and Gaffey St]; Palos Verdes Peninsula, 33.77358 -118.30219, 409m
UCR
B.G. Pitzer 3623 1998-03-15
United States, California, San Diego, San Onofre State Beach, just south of the Orange/San Diego County line, 33.38306 -117.58361, 6m
UCR
A.C. Sanders 43797 2020-01-17
United States, California, Imperial, Chocolate Mtns./Imperial Valley, Gas Line Road along Coachella Canal, 1 km SE of Siphon 16, 33.37306 -115.60417, 29m
UCR
A.C. Sanders 37447 2010-03-16
United States, California, Riverside, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak, 33.65306 -114.78389, 195m
UCR
Jon P. Rebman 21980 2011-05-31
United States, California, San Diego, San Diego National Wildlife Refuge, east of Bonita and just south of the Sweetwater Reservoir; Shinohara Vernal Pool area. Square T12. [San Miguel Ave. just N of Hwy 125], 32.684 -116.98981, 90m
UCR
A.C. Sanders 41956 2016-01-22
United States, California, Imperial, Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range, 33.33778 -115.33028, 412m
UCR
A.C. Sanders 31054 2005-06-17
United States, California, San Diego, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek at confluence with Clevenger Canyon, 33.08972 -116.9025, 201m
UCR
B.G. Pitzer 4014 1999-08-30
United States, California, San Bernardino, Granite Mountains, UC Sweeney Granite Mtns Desert Res. Center, Granite Cove, around maintenance yard, 34.78139 -115.65222, 1300m
UCR
Jim André 10564 2009-03-27
United States, California, San Bernardino, east Whipple Mtns. along End Cap Rd. (MWD Rd.) c. 1 mile W of Colorado River, just SE of Gene Wash Reservoir, 34.296 -114.16168, 195m
UCR
Peter Rubtzoff 10203 1990-07-21
United States, California, San Francisco, Vicinity of Fort Point, Presidio, just below Battery, 37.80861 -122.47278, 21m
UCR
Scott D. White 15514 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
Scott D. White 12581 2009-03-24
United States, California, Riverside, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy, 33.65 -116.0875, 21m
UCR
A.C. Sanders 44409 2022-11-12
United States, California, Riverside, Coachella Valley at foot of Santa Rosa Mountains, west of Tyler St. toward Sheep Canyon, south of Martinez Canyon, 33.49444 -116.19167, 91m
UCR
Jon P. Rebman 4752 1997-11-19
United States, California, Imperial, NW of Yuma, east of Ogilby Rd along Indian Pass Rd at Chemgold Company's Imperial Project, 32.96 -114.82, 218m
UCR
George K. Helmkamp s.n. 1993-01-10
Mexico, Sonora, Hermosillo, at Bahia Kino Nuevo, 28.86667 -112.02778, 10m
UCR
Jon P. Rebman 3759 1996-10-27
United States, California, Imperial, S of town of Palo Verde along agricultural fields just west of Colorado River, 33.35 -114.7, 5m
UCR
A.C. Sanders 13595 1993-03-22
Mexico, Sonora, Etchojoa, 1.3 km (0.8 mi) west of Talamante on the road to Bacobampo from the Navojoa-Huatabampo Road, 5 km E of Bacobampo, 26.98333 -109.6, 5m
UCR
A.C. Sanders 8921 1988-12-17
Mexico, Sonora, Navojoa, along hwy [362] from Navojoa to Huatabampo, c. 0.6 mile northeast of turnoff to Bacobampo and 8 miles SW of Navojoa, 26.98917 -109.53972, 30m
UCR
A.C. Sanders 43752 2020-01-14
United States, California, Imperial, west side of Chocolate Mountains, slope above and 3.15 km NE (47°) of Amos, 33.13742 -115.23008, 122m
UCR
A.C. Sanders 42806 2017-03-11
United States, California, Imperial, Chocolate Mountains, Niland to Pegleg Well Rd, 18.25 km east (92°) of Niland, 33.23425 -115.32292, 198m
UCR
George K. Helmkamp 2688 1998-02-10
United States, California, Imperial, SE Salton Sea, vicinity of Wister, drainage ditch at the jct of Pound & Davis Streets., 33.22333 -115.58, -66m
UCR
Scott D. White 6081 1998-02-09
United States, California, Riverside, La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing, 33.71667 -116.31667, 30m
UCR
Joseph Cahill 3125C 2009-05-02
United States, California, Ventura, vicinity of Point Mugu, 34.0861 -119.06126, 15m
UCR
A.C. Sanders 16076B 1995-03-12
United States, California, Riverside, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St., 33.48083 -116.11917, -37m
UCR
George K. Helmkamp 2685 1998-02-05
United States, California, Riverside, 3.2 miles north of junction of Thousand Palms Canyon Road and Dillon Road; Little San Bernardino Mtns., 33.89333 -116.26333, 457m
UCR
Scott D. White 4053 1996-05-19
United States, California, Los Angeles, City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street, 34.08333 -117.725, 320m
UCR
R.G. Swinney 16004 2013-04-05
United States, California, Los Angeles, Glendora, South Hills, South Hills Wilderness Area, 70m north of I-210 Fwy, c. 200m east of Glendora Ave., 34.11833 -117.86111, 262m
UCR
Ginny Short 074 2019-04-10
United States, California, Riverside, Coachella Valley Valley Preserve, Thousand Palms Canyon wash south of the oasis and east of Thousand Palms Canyon Rd., 33.826 -116.315, 140m
UCR
Mitch Provance 2197 2000-08-03
United States, California, San Bernardino, Colton, S Pellisier Rd, c. 0.5 km north of the corner of W Center St. and Orange St.; W La Loma Hills, 34.02417 -117.35017, 274m
UCR
Jon P. Rebman 9548 2003-09-30
United States, California, San Diego, Otay Mountain Ecological Reserve (CA Dept. of Fish & Game). SE of Otay Lake, c. 1 mile south of Otay Lakes Rd; around a small pond on east side of the reserve. Square: U14, 32.61639 -116.88722, 240m
UCR
Mark A. Elvin 4132 2005-04-02
United States, California, San Diego, E side of Otay Mountain; Marron Creek along Marron Valley Road; 2.1 km (air) N of MX; near gate to City of San Diego Preserve, 32.585 -116.75833, 274m
UCR
John F. Green s.n. 2005-02-03
United States, California, Riverside, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach, 33.51367 -115.87792, 24m
UCR
Mitch Provance 613--08 2013-06-03
United States, California, San Bernardino, Chino Creek, between Grand Ave. and Hwy 71, north of their intersection, near former Schaefer Ave. crossing of 71, 34.00311 -117.72639, 207m
UCR
Dan S. Cooper 912--64 2012-09-06
United States, California, Los Angeles, Playa del Rey, open area between Vista Del Mar and Culver Blvd, NW of LA Int. Airport, 33.95789 -118.44897, 4m
UCR
Jim André 24285 2013-03-05
United States, California, San Bernardino, east side of Whipple Mountains, lower Whipple Wash below towering canyon walls, c. 12 mi north-northwest of Parker dam, c. 1 mile from Colorado River at Whipple Bay/Havasu Palms, 34.3815 -114.27422, 153m
UCR
Scott D. White 15360 2023-03-10
United States, California, Riverside, Deep Canyon Watershed. Flood control basin behind levee, just west of Hwy 74, 33.66667 -116.41667, 305m
UCR
A.C. Sanders 23984 2001-04-08
United States, California, Riverside, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave, north of flood control ditch, 33.96667 -116.51944, 348m
UCR
George K. Helmkamp 2909 1998-03-19
United States, California, Imperial, along Hwy S-24 between the All-American Canal & the Colorado River, 2.0 miles north of Laguna Dam, 32.85933 -114.49183, 76m
UCR
A.C. Sanders 28200 2004-06-18
United States, California, San Diego, Carlsbad, Agua Hedionda Ecological Reserve, south side of Park St beyond end of Valencia Ave., 33.1425 -117.31639, 8m
UCR
Tim Thomas 3327 2004-05-05
United States, California, Kern, San Emigdio Ranch headquarters, 34.99528 -119.18444, 431m
UCR
Jon P. Rebman 20907 2011-03-24
United States, California, San Diego, Camp Pendleton, Romeo II Training area, north of Las Pulgas Road, east of Hwy I-5, and east of El Camino Real and Horno Canyon Road Square: D3, 33.34139 -117.47889, 165m
UCR
Ginny Short 33123--18 2023-03-31
United States, California, Riverside, Palm Canyon Wash Preserve, 33.78181 -116.52739, 151m
UCR
Chet McGaugh s.n. 2005-01-05
United States, California, Riverside, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way, 33.43833 -115.69056, 21m
UCR
R.G. Swinney 11918 2010-03-16
United States, California, Los Angeles, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210, 34.27417 -118.37306, 329m
UCR
UCR0189274 Tim Thomas 4606 2009-03-17
United States, California, Riverside, north side of Ford Dry Lake, 33.67217 -115.01575, 116m
UCR
T.R. Van Devender 93--263 1993-03-14
Mexico, Sonora, Navojoa, 1.3 km west of MEX Hwy 15 on Huatabampo Road, 1.4 km south on Bachoco Road, 22 km (by air) south of Navojoa, 26.825 -109.38889, 30m
UCR
Jim André 17465 2011-02-22
United States, California, Riverside, Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca, 33.59763 -115.9243, 219m
UCR
A.C. Sanders 31225 2005-06-24
United States, California, San Diego, San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site, 32.96806 -117.25417
UCR
A.C. Sanders 44114 2020-03-18
United States, California, Imperial, Chocolate Mtns. Aerial Gunnery Range, Gas Line Rd, 5.7 km above the Coachella Canal crossing at Siphon 10 & Camp Billy Machan, 33.34444 -115.48528, 125m
UCR
Joe Barth 1027 2010-11-29
United States, California, San Diego, Lake Murray (between cities of San Diego and La Mesa), edge of perimeter road that goes around the lake, east side of Jackson Drive arm. Atlas square: Q11, 32.79031 -117.04211, 145m
UCR
George K. Helmkamp 8953 2005-02-18
United States, California, Santa Barbara, Solomon Hills SE of Santa Maria along Dominion Road, 1.9 mi. SE of its junction with Clark Avenue, 34.84306 -120.33611, 259m
UCR
Marcela Ruiz Guerrero 2018--306 2018-01-31
Mexico, Sinaloa, San Ignacio, Area de Protección de Flora y Fauna Meseta de Cacaxtla, Estero Las Tinajas, 23.63348 -106.7822, 3m
UCR
Mitch Provance 854 1998-07-04
United States, California, San Bernardino, Colton, S Pellisier Rd, c. 0.5 km north of the corner of W Center St. and Orange St.; W La Loma Hills, 34.02417 -117.35017, 274m
UCR
A.C. Sanders 37293 2010-02-20
United States, California, Imperial, near Haughtelin Lake (old Colorado R. oxbow), NE of Winterhaven between Cocopah (Blackwell) Rd. and lake, 32.77139 -114.58667, 39m
UCR
A.C. Sanders 42225 2016-03-15
United States, California, Imperial, Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd., 33.34493 -115.3267, 434m
UCR
A.C. Sanders 35686 2008-07-03
United States, California, Orange, upper Weir Canyon, along Windy Ridge Rd. at huge sandstone boulder (visible on Google Earth), 1.3 mi. SE of Walnut Canyon Reservoir, 33.83444 -117.72833, 314m