UCR
R.G. Swinney 12432 2010-04-28
United States, California, Los Angeles, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary, 34.3325 -118.44333, 488m
UCR
R.G. Swinney 15878 2011-10-25
United States, California, Los Angeles, south end of Coldbrook Campground, along Coldbrook Cr, from 50 m south to 100 m north of Hwy 39, 34.29083 -117.84028, 1006m
UCR
Steve Boyd s.n. 1980-07-16
United States, California, Riverside, Motte Reserve, 2.5 miles northwest of Perris, west edge of the reserve c. 1/4 mile north of the Motte’s house, 33.81667 -117.25417, 520m
UCR
A.C. Sanders 4016 1983-10-12
United States, California, San Bernardino, Big Morongo Preserve of the Nature Conservancy in Big Morongo Canyon, south of town of Morongo Valley in Big Morongo Canyon, 34.04717 -116.567, 795m
UCR
Mitch Provance 2917 2001-06-23
Mexico, Tlaxcala, Tetla, near Tetla, c. 9 km northeast of Apizaco [on Av. Xicohténcatl], 19.45567 -98.0805, 2500m
UCR
R.G. Swinney 13356 2010-06-23
United States, California, Los Angeles, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace, 34.26611 -118.36972, 335m
UCR
Barbara Ertter 7301 1987-07-24
United States, California, Lassen, c. 3/4 mile east-northeast of Beckwourth Pass at end of old crumbling paved road, 39.79111 -120.10139, 1524m
UCR
Henry M. Pollard s.n. 1971-07-23
United States, California, Ventura, Dry sandy watercourse in chaparral below upper road bounding Dennison Park, Ojai Valley, 34.437 -119.204
UCR
John F. Green s.n. 2005-05-17
United States, California, Riverside, Markham Pit; gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base, 33.84972 -117.27611, 537m
UCR
George K. Helmkamp 15469 2009-08-14
United States, California, El Dorado, junction of Sand Ridge Road and Cutaway Lane, 2.0 miles west of Bucks Bar Road, 38.63194 -120.7225, 642m
UCR
Peter H. Raven 14449 1959-09-18
United States, California, Los Angeles, University of California, West Los Angeles, 34.07139 -118.43833, 152m
UCR
A.C. Sanders 32692 2006-06-06
United States, California, San Bernardino, Santa Ana River wash north of Mentone, pipeline route crossing beyond end of Wabash Ave., 34.08972 -117.13861, 473m
UCR
Jon P. Rebman 15711 2008-06-25
United States, California, San Diego, Camp Pendleton Marine Corps Base, south of Stagecoach Road and north of the airstrip along Vandegrift Blvd. in the Santa Margarita River bed. Square E5, 33.308 -117.35539, 20m
UCR
A.C. Sanders 35414 2008-05-20
United States, California, Orange, Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence, 33.72333 -117.64889, 345m
UCR
D.L. Banks 1379 1997-05-01
United States, California, Riverside, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek, 33.45222 -117.10556, 335m
UCR
R.G. Swinney 15423 2011-07-07
United States, California, Los Angeles, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn., 34.29861 -118.11361, 1220m
UCR
Mitch Provance 4626 2003-07-04
United States, California, San Bernardino, La Loma Hills Region, ‘La Placentia’ a few hundred yards north of the Trujillo Adobe site, west of the La Loma Hills, and south of the Santa Ana River, 34.02639 -117.35167, 259m
UCR
A.C. Sanders 27333 2003-10-16
United States, California, Riverside, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd., 33.96778 -117.26, 534m
UCR
T.B. Salvato 3009 2007-07-26
United States, California, San Bernardino, City of Big Bear Lake, south of Big Bear Lake, west of Rathbone Creek and east of sewage disposal ponds, 34.2525 -116.88861, 2058m
UCR
Mitch Provance 2276 2000-10-28
United States, California, Riverside, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411, 34.01667 -117.44861, 290m
UCR
A.C. Sanders 28151 2004-06-12
United States, California, San Bernardino, Arrastre Creek at Smart’s Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18, 34.27472 -116.74611, 1829m
UCR
Scott D. White 13146 2021-09-17
United States, California, Riverside, Tripp Flat, c. 5 air miles NW of Anza and 1 mile west of upper Bautista Canyon Road., 33.6 -116.74167, 1159m
UCR
George K. Helmkamp 15644 2009-09-22
United States, California, Amador, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines, 38.53083 -120.80306, 750m
UCR
Mitch Provance 2271 2000-10-28
United States, California, Riverside, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411, 34.01667 -117.44861, 290m
UCR
Margaret R. Mulligan 1246 2005-07-26
United States, California, San Diego, McGinty Mountain Ecological Reserve (California Fish & Game). SE of city El Cajon. SE of intersection of Willow Glen Dr and Hillsdale Road. San Diego Atlas Square R14, 32.75531 -116.9015, 116m
UCR
T.B. Salvato 1939 2006-10-16
United States, California, Orange, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 Fwy, 33.67222 -117.83611, 9m
UCR
R.G. Swinney 13519 2010-08-16
United States, California, Los Angeles, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park, 34.17667 -118.01778, 280m
UCR
Mitch Provance 2171A 2000-07-30
United States, California, Riverside, NW Jurupa Mtns; SW of the E extreme of Philadelphia St.; Jurupa Mountains, 34.01667 -117.5, 274m
UCR
Steven A. Junak SCa--1402 2000-07-21
United States, California, Los Angeles, Santa Catalina Island, west end of beach at Emerald Bay Camp, on peninsula, 33.46981 -118.53083, 12m
UCR
A.C. Sanders 28102 2004-06-10
United States, California, San Diego, Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd, along lower Agua Hedionda Creek, 33.14917 -117.29806, 9m
UCR
Jon P. Rebman 9443 2003-07-25
United States, California, San Diego, Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; along Jamul Creek near old cement kiln, 32.66472 -116.86694, 210m
UCR
Scott D. White 2464.2 1994-10-17
United States, California, Riverside, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road., 33.51667 -117.15833, 305m
UCR
Mitch Provance 2174B 2000-07-30
United States, California, Riverside, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St.; Jurupa Mountains, 34.0275 -117.49633, 262m
UCR
R.G. Swinney 16547 2014-05-15
United States, California, Los Angeles, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead, 34.15611 -117.88833, 625m
UCR
Jon P. Rebman 15287 2008-05-28
United States, California, San Diego, Hellhole Canyon Open Space Preserve, east of Valley Center and northeast of Lake Wohlford, southwest portion of preserve, along Hellhole Creek just west of the canal pipe. Square G13, 33.22811 -116.94689, 451m
UCR
Scott D. White 3554 1995-08-16
United States, California, Riverside, just west of Hemet, valley floor and foothills at SE margain of Lakeview Mtns. north of Florida Ave. (SR 74) and west of California Avenue, 33.75 -117.06667, 470m
UCR
Scott D. White 2463.2 1994-10-17
United States, California, Riverside, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road., 33.51667 -117.15833, 305m
UCR
A.C. Sanders 27115 2003-08-06
United States, California, Los Angeles, Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters, 34.39583 -118.65, 320m
UCR
R.G. Swinney 9698 2008-10-23
United States, California, San Bernardino, Clyde Ranch, Lone Pine Canyon, 34.32333 -117.565, 1500m
UCR
R.G. Swinney 5287 1996-08-12
United States, California, San Bernardino, c. 0.6 mile southwest of junction of Swarthout Canyon Rd and Cajon Rd, 34.26778 -117.45972, 805m
UCR
Jon M. Stewart 847 1994-05-02
United States, California, Riverside, Coachella Valley. Thermal, Hwy 86 and Airport Blvd, 33.64167 -116.13333, -37m
UCR
R.G. Swinney 1626 1991-10-06
United States, California, San Bernardino, San Bernardino National Forest. Cajon Canyon, near stream c. 0.5 mile south of the north end of Old Hwy 395, 34.29972 -117.45972, 881m
UCR
Mark A. Elvin 3756 2004-09-28
United States, California, San Bernardino, c. 200m west of Big Bear Lake along Hwy 18, around mile marker 40.0, 34.2425 -116.98083, 2073m
UCR
Scott D. White 1609 1993-07-06
United States, California, San Bernardino, Downslope from mouth of Badger Canyon, less than 1 air mile NE of CA State Univ, San Bernardino, 34.19167 -117.31389, 550m
UCR
R.G. Swinney 17572 2015-07-22
United States, California, Los Angeles, Horse Cyn. Saddle, jct. of Glendora Ridge Rd. and Glendora Mt. Road, 34.20417 -117.80889, 1012m
UCR
A.C. Sanders 36901 2009-05-21
United States, California, Los Angeles, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines, 34.0375 -118.06722, 64m
UCR
Chet McGaugh s.n. 1990-09-05
United States, California, San Bernardino, Big Bear Lake, west of Stanfield cut-off, along the lakeshore, 34.25 -116.86667, 2043m
UCR
R.G. Swinney 13609 2010-08-30
United States, California, Los Angeles, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mile upstream, 34.20972 -118.01333, 595m
UCR
Stephen J. Myers s.n. 1991-09-10
United States, California, San Bernardino, Mojave River floodplain at Mojave Narrows Regional Park, 34.52028 -117.27444, 841m
UCR
R.G. Swinney 16497 2014-05-13
United States, California, Los Angeles, Glendora, west fork of Hook Cyn, c. 0.4 km north of Sierra Madre Av, 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014, 34.15111 -117.88167, 354m
UCR
A.C. Sanders 17901 1995-10-01
United States, California, San Bernardino, In the dry bed of the Mojave River just above the Mojave River Forks Dam, west of Arrowhead Lake Road from Hesperia, 34.33972 -117.25833, 945m
UCR
R.D. Worthington 38984 2016-10-16
United States, Texas, Hudspeth, crest of Hueco Mountains along US 62-180 at Hueco Inn/Desert Haven and junction with road north to the Hueco Ranch, 31.83933 -105.9722, 1573m
UCR
Michael Theroux 606 1983-08-24
United States, California, Kern, Cummings Valley, 1 mile north of Banducci Road, 0.5 - 1.0 mile west of Pellisier Road along Chanac Creek, 35.10917 -118.61694, 1159m
UCR
R.G. Swinney 11454 2009-08-19
United States, California, Los Angeles, confluence of Monrovia Canyon and Sawpit Canyon, 34.17472 -117.98944, 366m
UCR
Arthur C. Gibson 6896 2018-09-07
United States, Texas, Williamson, Ross Ranch, CR 492 5 km east of Granger Dam, 30.69917 -97.27639, 137m
UCR
Mitch Provance 2218 2000-08-24
United States, California, Riverside, NW extreme of the Jurupa Mountains, as accessed from Country Village Rd., 34.02933 -117.50467, 259m
UCR
T.B. Salvato 3043 2007-08-08
United States, California, Los Angeles, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle, 34.35694 -117.84861, 2012m
UCR
Ann Howald 4452 2017-09-14
United States, California, Mono, Adobe Valley southern extension, Benton Crossing Rd, c. 3.8 miles south of intersection with Hwy 120, 37.74061 -118.59283, 2139m
UCR
Stephen J. Myers 1016 2006-09-30
United States, California, San Bernardino, Arrastre Canyon near Juniper Flats, c. 2 miles SE of Rock Springs, east of Coxey Rd., 34.39194 -117.115, 1241m
UCR
George K. Helmkamp 9663 2005-06-12
United States, California, San Luis Obispo, Along Calif. Highway 229 (road to Creston), 5.5 miles north of Calif. Highway 58; beside West Branch of Huerhuero Creek, 35.48806 -120.545, 363m
UCR
Mike Misenhelter s.n. 2005-10-05
United States, California, Los Angeles, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St., 33.8425 -118.27278, 12m
UCR
L. Maynard Moe 2634 2004-09-18
United States, California, Kern, Tule Elk State Reserve, 35.32222 -119.36417, 88m
UCR
Jon P. Rebman 24989 2012-06-26
United States, California, San Diego, Cleveland National Forest, vicinity of Buckman Springs, NE of Morena Reservoir, southeast of Morena Stokes Valley/Corral Canyon Road and west of Buckman Springs Road, along streambed. Square: S22, 32.70481 -116.5065, 930m
UCR
Mitch Provance 715--07 2015-07-17
United States, California, Kern, Vicinity of Willow Spring, along Willow Spring River, transmission corridor, 3.7 miles S of Garces Hwy. and 1.5 miles S of Rag Gulch, 35.69253 -118.9195, 262m
UCR
Mitch Provance 2083 2000-07-04
United States, California, Riverside, Riverside; Santa Ana River Wash, between the Market St. and Riverside Ave. crossings; Riverside, 34.01667 -117.37222, 244m
UCR
George K. Helmkamp 19485 2012-07-23
United States, California, Nevada, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line, 39.43806 -120.08917, 1738m
UCR
R.G. Swinney 12566 2010-05-04
United States, California, Los Angeles, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary, 34.33222 -118.49222, 482m
UCR
George K. Helmkamp 23098 2014-09-16
United States, California, Alpine, Carson Valley, 1.35 mi. NE of Paynesville at junction of Fredericksburg Lane and US-88 (Carson Pass Hwy), 2.8 miles northeast of Woodfords, 38.82944 -119.77944, 1340m
UCR
T.B. Salvato 1308 2005-06-23
United States, California, Riverside, Walker Canyon, 1.5 miles due east of Alberhill, north of Hwy I-15, 33.72972 -117.3725, 412m
UCR
R.G. Swinney 5327 1996-08-12
United States, California, San Bernardino, Wrightwood at Wright Lake, 34.36028 -117.64222, 1841m
UCR
R.G. Swinney 23281 2019-08-21
United States, California, Los Angeles, Altadena, Millard Canyon, Lower Millard Canyon Nature Preserve, 50-800m upcanyon from Canyon Crest Drive at south trailhead, 34.2125 -118.15969, 440m
UCR
Peter Rubtzoff 10214 1990-09-18
United States, California, San Francisco, Sunset District, on NW corner of Noriega Street and 19th Avenue, 37.75444 -122.47667, 111m
UCR
A.C. Sanders 22810 1999-06-18
United States, California, Riverside, French Valley, east side of Washington Ave. near Rawson Rd.; Skinner/Domenigoni area, 33.6375 -117.08056, 451m
UCR
Mitch Provance 617--24 2017-06-06
United States, California, Riverside, Property on S side of Temescal Canyon Rd, just W of Concordia Ranch Rd., 33.73431 -117.41581, 363m
UCR
B.G. Pitzer 3768 1998-10-17
United States, California, San Bernardino, Los Rios Rancho, south of Oak Glen areas between and around orchards; San Bernardino Mtns, 34.04167 -116.94167, 1341m
UCR
Mark A. Elvin 2530 2003-04-22
United States, California, Los Angeles, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line, 34.41689 -118.62697, 314m
UCR
A.C. Sanders 25523 2002-08-01
United States, California, Los Angeles, Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction, 34.42917 -118.61528, 305m
UCR
R.G. Swinney 17915 2015-11-18
United States, California, Los Angeles, Stonyvale Picnic Area, along Stonyvale Rd. between Big Tujunga stream bottom and picnic area, 0.33 mile east of Vogel Flat, 34.28472 -118.22389, 549m
UCR
Jon P. Rebman 10227 2004-05-11
United States, California, San Diego, Sycuan Peak Ecological Reserve (California Dept. of Fish & Game): southeast of Dehesa, south of Loveland Reservoir on the lower north side of Sycuan Peak; Sweetwater River watershed in Sloane Canyon, in the vicinity of the entrance gates, 32.77167 -116.80972, 260m
UCR
Arnold Clifford 01--1409 2001-09-27
United States, Arizona, Apache, Dine (NCC) College Campus at Tsaile; nw of campus at college corral and stables, 36.29944 -109.21472, 2140m
UCR
Mitch Provance 17177 2011-07-04
United States, California, Riverside, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St, just E of Country Village Rd., 34.03222 -117.49889, 262m
UCR
A.C. Sanders 29662 2005-04-22
United States, California, San Diego, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center, 33.0925 -117.29028
UCR
Mitch Provance 711--04 2011-07-10
United States, California, San Bernardino, Santa Ana River, between Colton and Grand Terrace, east side of La Cadena Dr, in the vicinity of the old (now defunct) railroad trestle., 34.04539 -117.32589, 277m
UCR
R.G. Swinney 14062 2010-10-15
United States, California, Los Angeles, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake, 34.26861 -118.37694, 317m
UCR
A.C. Sanders 19461 1996-08-17
United States, California, San Bernardino, Coxey Meadow; San Bernardino Mtns, 34.33389 -117.06917, 1707m
UCR
George K. Helmkamp 14272 2008-10-14
United States, California, Colusa, along CA-20, 2 miles west of Meridian, 39.14528 -121.94333, 14m
UCR
Mark A. Elvin 7699 2014-10-10
United States, California, San Luis Obispo, Guadalupe Dunes, Guadalupe-Nipomo Dunes National Wildlife Refuge, ‘3-Pond West’ in ‘3-Pond Valley”, 500-550 m from the south boundary of the refuge, 34.99667 -120.60289, 15m
UCR
Mitch Provance 612--68 2012-07-15
United States, California, Riverside, W end of Banning, “Pershing Channel”, N side W Ramsey St, W side of Omar St., 33.92789 -116.92489, 768m
UCR
David J. Keil 32440 2014-09-03
United States, California, San Luis Obispo, Shell Creek Rd, 6.2 miles north of junction with Hwy 58, south of Shandon, 35.54417 -120.33422, 375m
UCR
J.M. DiTomaso s.n. 2006-09-06
United States, California, Yolo, UC Davis campus, southwest corner of Plant and Environmental Sciences building in Vinca ninor garden, 38.71306 -121.76833, 13m
UCR
R.D. Worthington 30789 2001-10-05
United States, New Mexico, Lincoln, Gavilan Ridge, 0.4 mi SE of the entrance to Blue Lake, 33.37467 -105.62467, 2256m
UCR
A.C. Sanders 25521 2002-07-31
United States, California, Los Angeles, Santa Clara River Valley, south side at edge of farm fields near mouth of “Long Canyon” c. 1 km due south of Del Valle, 34.40833 -118.65833, 274m
UCR
LeRoy Gross 7107 2015-04-15
United States, California, Ventura, McConica Ranch Property, along the river wash, between a short distance from the end of S. Hallock Drive, and end of Willard Road, south of Hwy 126, east of Santa {Paula, 34.35497 -119.03369, 82m
UCR
Mitch Provance 612--89 2012-06-23
United States, California, Riverside, Banning, Smith Creek, vicinity of Coyote Trail and Old Idyllwild Rd., 33.90589 -116.88469, 680m
UCR
R.G. Swinney 12306 2010-04-20
United States, California, Los Angeles, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream, 34.33139 -118.41472, 549m
UCR
Arnold Tiehm 18081 2017-09-16
United States, Nevada, Esmeralda, Morris Creek at the northwest end of the range, near the canyon entrance and road end, 37.87719 -118.39383, 2226m
UCR
George K. Helmkamp 23053 2014-08-27
United States, California, Mono, Monitor Pass along CA-89, 0.6 mile south of the junction with Big Springs Road, 38.67333 -119.58861, 2360m
UCR
R.G. Swinney 9665 2008-10-22
United States, California, Los Angeles, Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto, 34.16167 -117.88806, 244m
UCR
George K. Helmkamp 23055 2014-08-27
United States, California, Mono, Monitor Pass along CA-89, 0.6 mile south of the junction with Big Springs Road, 38.67333 -119.58861, 2360m
UCR
Mitch Provance 712--14 2012-07-17
United States, California, Riverside, City of Banning, along E. Lincoln St, vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave., 33.9215 -116.87261, 698m