DAV
R. N. Raynor s.n. 1941-08-11
United States, California, Yolo, Yolo County: near Clarksburg., 38.41984 -121.53059
DAV
G. Thomas Robbins 3648 1954-09-03
United States, California, Stanislaus, Stanislaus County: Along Vernalis-Modesto Road (Maze Road), 5.4 miles east of Vernalis and 1.8 miles east of bridge crossing the San Joaquin River., 8m
DAV
Clifton F. Smith 1605 1945-09-15
United States, California, Santa Barbara, Santa Barbara County: Santa Barbara, on flat at West Beach., 34.403 -119.698
DAV
M. S. Taylor 5145 1982-10-11
United States, California, Butte, Butte County: Graylodge Wildlife Refuge, near checking station, sw jct of Pennington and Rutherford Rds, ca. 12 mi sw of Gridley., 39.318428 -121.80691, 21m
DAV
J. H. Thomas 7279 1958-06-26
United States, California, San Francisco, San Francisco County: Vacant lot at intersection of Davidson Ave. and 3rd St.
DAV
Robert F. Thorne 36193 1966-04-28
United States, California, Los Angeles, Los Angeles County: Santa Catalina Island, on roadside near high school, Avalon., 30m
DAV
Ernest C. Twisselmann 4919 1958-11-01
United States, California, Kern, Kern County: Mohave-Randsburg Region. Shandon. Irrigated farmlands southeast of Cantil., 35.298489 -117.954842, 610m
DAV
Ernest C. Twisselmann 7869 1962-09-19
United States, California, Inyo, Inyo County: Mohave Desert. Little Lake., 35.9362 -117.9066, 957m
DAV
Ernest C. Twisselmann 6624 1961-10-05
United States, California, Kern, Kern County: Eastern San Joaquin Valley. Hart Memorial Park; south end of the boat lake., 35.447338 -118.913604, 152m
DAV
Ernest C. Twisselmann 6650 1961-10-30
United States, California, Kern, Kern County: Mohave-Randsburg Region. Fremont Valley; dry wash in the farmlands 2.5 miles south of Cantil., 35.2721 -117.968, 594m
DAV
Ernest C. Twisselmann 7981 1962-11-14
United States, California, Kern, East Kern County: San Joaquin Valley. Taft Highway, 4.1 miles west of Old River., 35.2673 -119.1731, 101m
DAV
Ernest C. Twisselmann 10070 1964-08-20
United States, California, Kern, Kern County: Tehachapi-Kernville Region. Isabella alkali flats., 35.655 -118.459, 762m
DAV
Ernest C. Twisselmann 10274 1964-09-29
United States, California, Kern, Kern County: The Kern National Wildlife Refuge. San Joaquin Valley., 35.7483 -119.6198, 76m
DAV
Ernest C. Twisselmann 10310 1964-10-20
United States, California, San Bernardino, San Bernadino County: Mojave Desert. Searles Lake at Trona., 35.7085 -117.3923, 497m
DAV
Ernest C. Twisselmann 11608 1965-09-19
United States, California, Tulare, Tulare County: The Pixley National Wildlife Refuge. San Joaquin Valley. Marsh at the east side of the Refuge., 78m
DAV
Ira L. Wiggins 20576 1966-04-01
United States, California, Orange, Orange County: Railroad embankment near entrance to Rancho Santa Ana., 33.8726 -117.7073
DAV
Ira L. Wiggins 20616 1966-04-22
United States, California, Orange, Orange County: On eroded roadway leading to oilwell, W side of Associated Road, between Yorba Linda Boulevard and Imperial Highway., 33.8886 -117.8133
DAV
Collector Unknown s.n. 1952-06-01
United States, California, Kings, Kings Co. Exact location unknown.
DAV
DAV241060 Hannah Kang 761 2022-08-08
United States, California, Colusa, COLUSA COUNTY: East Williams. ±0.2 air miles east from I-5 Hwy. Several hundred feet west of Husted Lateral Road and Larch Drive intersection. Several feet north off Husted Lateral Road., 39.148761 -122.136219, 25m
UCR
Frank C. Vasek 800623--01 1980-06-23
United States, California, San Bernardino, Harper Dry Lake, 20 mi NW of Barstow, 35.01083 -117.29278, 610m
UCR
Frank C. Vasek s.n. 1978-07-06
United States, California, San Bernardino, Rabbit Springs, 1 mile northwest of Lucerne Valley town center, 34.45694 -116.9625, 881m
UCR
A.C. Sanders 3998 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
A.C. Sanders 2228 1981-08-02
United States, California, Mono, west shore of Mono Lake, c. 0.5 mile north of Lee Vining, 37.97139 -119.11806, 1951m
UCR
S.A. Whitmore s.n. 1979-07-23
United States, California, Inyo, at Fish Slough, west of main watercourse. 1.0 to 1.1 mi north of jct of Fish Slough Road and Five Bridges Road, 37.43361 -118.4075, 1277m
UCR
Jeri Hirshberg s.n. 1989-07-27
United States, California, Riverside, E end of Vail Lake, above shoreline in drainage above “draw down” area, 33.49222 -116.95722
UCR
Steve Boyd 1716 1986-04-19
United States, California, Riverside, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road, 33.70417 -117.35972, 366m
UCR
Larry F. LaPré s.n. 1986-09-16
United States, California, Riverside, San Jacinto Wildlife Area, on levee beside the San Jacinto River, c. 1 mi east of Bridge St, 33.84167 -117.05, 436m
UCR
Larry F. LaPré s.n. 1986-09-25
United States, California, Riverside, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts, Coachella Valley, 33.5875 -116.08333, 52m
UCR
Stephen J. Myers 91--59 1991-09-07
United States, California, San Bernardino, Mojave River floodplain at Mojave Narrows Regional Park, near Victorville, 34.50806 -117.26833, 841m
UCR
Louis C. Wheeler 03332 1934-10-21
United States, California, Siskiyou, Shasta Valley, 4 miles east of Grenada [Lava Lakes Wildlife Sanctuary?], 41.63472 -122.44083, 869m
UCR
A.C. Sanders 6957 1986-09-12
United States, California, Kern, Twisselman Road at Hwy I-5, 4.9 miles south of Kings County line, 35.73222 -119.74, 67m
UCR
A.C. Sanders 19480 1996-08-25
United States, California, San Bernardino, northwest shore of Baldwin Lake, north of Hwy 18; San Bernardino Mtns., 34.2755 -116.8185, 2043m
UCR
Jon M. Stewart 845 1994-05-02
United States, California, Riverside, Coachella Valley. Thermal, Hwy 86 and Ave 60, 33.61306 -116.11361, -44m
UCR
A.C. Sanders 15559 1994-09-04
United States, California, San Bernardino, NE side of Baldwin Lake, 34.28444 -116.8075, 2048m
UCR
Scott D. White 1283 1993-04-28
United States, California, Orange, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Ave., 33.7 -117.81667, 15m
UCR
A.C. Sanders 23130 1999-09-26
United States, California, Riverside, Mystic (San Jacinto) Lake, 1.4 miles SE of Jackrabbit Trail on Gilman Springs Rd, 1.4 miles south of Eden Hot Spring; San Jacinto Valley, 33.86667 -117.05, 433m
UCR
Richard D. Goeden s.n. 1965-07-07
United States, California, Orange, Tustin township, near Peters Canyon Channel, east of Santa Ana Marine Corps Air Station, 33.70556 -117.8, 61m
UCR
A.C. Sanders 23712 2000-10-01
United States, California, San Bernardino, Victorville, Upper Narrows of the Mojave River just above Hwy 18 bridge; Southern Mojave Desert, 34.52917 -117.27917, 835m
UCR
Darley F. Howe s.n. 1980-09-24
United States, California, San Bernardino, Baker near Hwy 15, 35.265 -116.07361, 275m
UCR
Jon P. Rebman 3732 1996-10-26
United States, California, Imperial, Imperial Valley, north of Seeley, New River ponds, 32.8 -115.7, 20m
UCR
Steven A. Junak SN--957 1992-07-23
United States, California, Ventura, San Nicholas Island, along Beach Road c. 0.1 mi west of N range marker poles, 33.2525 -119.505, 37m
UCR
A.C. Sanders 23037 1999-08-14
United States, California, San Bernardino, W edge of Rabbit Springs, NW of Lucerne Valley; Southern Mojave Desert, 34.45833 -116.96667, 881m
UCR
Jeremiah George s.n. 2000-09-00
United States, California, Los Angeles, Rancho Palos Verdes Estates, Malaga Cove, 33.8025 -118.39556
UCR
J.R. Ekhoff s.n. 2001-05-16
United States, California, Los Angeles, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield, 33 -118.55417, 30m
UCR
A.C. Sanders 7299 1987-08-19
United States, Utah, Grand, about 14 miles south of Hwy 70 on a dirt road 7 miles west of Crescent Junction, BLM land in vicinity of White Wash, 38.8 -110.03333, 1372m
UCR
George K. Helmkamp s.n. 1973-10-27
United States, California, Inyo, Owens River in Pleasant Valley, northwest of Bishop., 37.41667 -118.5, 1372m
UCR
B.G. Pitzer 1321 1989-05-26
United States, Nevada, Mineral, Walker Lake, shoreline E of Hwy 95, c. 10 miles north of Hawthorne, 38.625 -118.74167, 1220m
UCR
David Charlton 847A 1987-08-03
United States, Nevada, Lincoln, Millers Point, Cathedral Gorge State Park, Hwy 93, 25 mi north of Caliente, 37.83056 -114.41028, 1524m
UCR
Doug Echlin 118 1976-09-25
United States, New Mexico, Otero, White Sands National Monument (WHSA [=White Sands National Monument] km. 1132), 32.77056 -106.47222, 1220m
UCR
R.D. Worthington 18272 1989-09-09
United States, Texas, El Paso, North side of Country Club Rd. bridge across Rio Grande on east side, 31.84639 -106.60528, 1143m
UCR
Joan Young 43 1981-10-15
United States, Colorado, Mesa, Grand Juncion. W end of Lakeside subdivision. Waste ground along canal road, 1402m
UCR
A.C. Sanders 26741 2003-05-15
United States, California, Ventura, Salt Canyon, near Los Angeles Co. line, Newhall Ranch, 34.38194 -118.68611, 335m
UCR
A.C. Sanders 25560 2002-08-07
United States, California, Los Angeles, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur, 34.4075 -118.68722, 274m
UCR
Louis C. Wheeler s.n. 1968-09-21
United States, California, Los Angeles, Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road, 34.38114 -118.4135, 610m
UCR
Tricia Campbell s.n. 2003-12-02
United States, California, Riverside, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue, 33.825 -117.00833, 442m
UCR
Chet McGaugh s.n. 2004-11-15
United States, California, Riverside, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River, 33.62472 -116.13861, -41m
UCR
B.G. Pitzer 2103 1992-07-03
United States, Nevada, Nye, Just past E boundary of the Toiyabe Natl. Forest, on Hwy 6, 28.6 mi E of Tonapah, 38.145 -116.69833
UCR
T.B. Salvato 1229 2005-09-27
United States, California, Los Angeles, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake, 34.78194 -118.16806, 704m
UCR
A.C. Sanders 31793 2005-10-07
United States, California, San Diego, Buena Vista Lagoon Ecological Reserve, Oceanside, NW side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd., 33.16917 -117.35667
UCR
A.C. Sanders 31802 2005-10-07
United States, California, San Diego, San Dieguito Lagoon Ecological Reserve, SE of Del Mar Racetrack, north side of the reserve along Palm Lane, the former entrance road to old dirigible airport, 32.96694 -117.25167
UCR
A.C. Sanders 31761 2005-10-07
United States, California, San Diego, Agua Hedionda Lagoon Ecological Reserve, SE of the lagoon near Cannon Rd. and west of El Camino Real, SSE of Laguna Riviera Park but south of Agua Hedionda Creek, 33.14194 -117.30861, 3m
UCR
T.B. Salvato 1387 2005-06-03
United States, California, Riverside, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road, 33.74083 -117.26111, 433m
UCR
Mitch Provance 6558 2005-05-17
United States, California, Riverside, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site, 33.70528 -117.36111, 396m
UCR
Mitch Provance 4617 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
George K. Helmkamp 13979 2008-08-08
United States, California, Alpine, along CA-89 at Grass Lake, 0.9 mile west of Luther Pass, 38.79694 -119.96833, 2354m
UCR
Julie A. Greene s.n. 1997-09-12
United States, California, Los Angeles, Long Beach area, intersection of Pacific Coast Hwy (CA Hwy 1) and Studebaker Road, near Long Beach Marina, 33.75833 -118.10833, 5m
UCR
John F. Green s.n. 2009-07-13
United States, California, Riverside, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave., 33.68833 -117.34111, 384m
UCR
Joseph Cahill 3170 2009-08-20
United States, California, Ventura, off Hwy 1 near south edge of Mugu Lagoon, below Laguna Peak, 34.09786 -119.07931, 3m
UCR
Jim André 7872 2005-09-30
United States, Nevada, Lincoln, Lower Pahranagat Valley along Hwy 93, south of Alamo near Pahranagat Nat. Wildlife Ref., 973m
UCR
Bill Wagner s.n. 2005-06-17
United States, California, Riverside, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd., 33.83361 -117.36194, 447m
UCR
Jim André 14981 2010-10-09
United States, California, San Bernardino, Colorado River Valley, west side of Colorado River along River Road, 2 mi south of Avi Resort Hotel, c. 9 mi north of Needles, 34.97417 -114.65333, 153m
UCR
Jim André 15323 2010-10-04
United States, California, Inyo, along Hwy 190, 0.9 mi east northeast of Olancha, 36.29195 -117.99315, 1102m
UCR
Jim André 15028 2010-09-06
United States, Nevada, Iron, along Hwy 95 approx. 5 mi north of Fallon, 0.2 mi. east of highway, 39.54555 -118.76447, 1191m
UCR
Justin M. Wood 2413 2010-08-17
United States, California, San Bernardino, Big Bear Valley, Baldwin Lake adjacent to Hwy 18, 34.28378 -116.81747, 2046m
UCR
Ayzik Solomeshch s.n. 2005-09-06
United States, California, Glenn, Sacramento Wildlife Refuge, c. 10 mi south of Willows, on the east side of Hwy 5, 39.44675 -122.14539, 10m
UCR
Jeremiah George s.n. 2011-08-03
United States, California, Riverside, Lake Elsinore, north end of Pasadena Ave, SE of Hwy 74/Riverside Dr., 33.68972 -117.34583, 386m
UCR
Jeremiah George s.n. 2011-09-28
United States, California, Los Angeles, Long Beach, east side of Los Angeles River channel, south of West Shoreline Dr. offramp from 710 Fwy, 33.77522 -118.20408, 4m
UCR
Dan S. Cooper s.n. 2011-08-30
United States, California, Los Angeles, Madrona Marsh, Torrance, 33.82611 -118.34278, 24m
UCR
Jim André 21003 2011-09-29
United States, California, San Bernardino, Ivanpah Valley, south side of I-15, just west of casinos growing on margin of playa (dry), perhaps artificially lowered to enhance water pooling; Ivanpah Valley, 35.60558 -115.3903, 805m
UCR
C.W. McLellan s.n. 1938-10-14
United States, Arizona, Maricopa, 1/2 mile south of Buckeye Road, Lateral 15, 33.41861 -112.09083, 323m
UCR
Dan S. Cooper 713--25 2013-07-26
United States, California, Ventura, Simi Valley, vacant lot east of Madera Rd, south of Cochran St.; bordered on north by railroad track and on other sides by industrial/warehouses, 34.27806 -118.79206, 221m
UCR
Dean Kelch 09--651 2009-10-08
United States, California, Kings, West of Lemoore, east of Lemoore Naval Air Station, Jackson Ave, 1 km east of Avenal Cutoff Road, south of Hwy 198, 36.25503 -119.8593, 63m
UCR
Jim André 20155 2009-09-03
United States, Oregon, Harney, just east of Steens Mountain, along west shore of Mann Lake; Alvord Desert, 42.7743 -118.45073, 1279m
UCR
Jim André 22061 2008-08-14
United States, Nevada, Mineral, on west shore of Walker Lake below picnic area, just east of Hwy 95, approx. 15 miles N. of Hawthorne, 38.74555 -118.76023, 1205m
UCR
Ann Howald 3295 2014-08-20
United States, California, Mono, town of Mammoth Lakes, west end of Meridian Blvd, base of Chair 15 ski lift, 37.63692 -118.99028, 2472m
UCR
Ann Howald 3299 2014-08-20
United States, California, Mono, town of Mammoth Lakes, west end of Meridian Blvd, base of Chair 15 ski lift, 37.63692 -118.99028, 2472m
UCR
Richard R. Halse 8107 2010-09-02
United States, Nevada, Washoe, along State Hwy 447 c. 0.7 mi north of Gerlach at its junction with Transfer Road, 40.65622 -119.37247, 1205m
UCR
A.C. Sanders 41252 2015-02-19
United States, California, Riverside, San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd, north of Record Rd., 33.82 -117.02278, 442m
UCR
Tom Schweich 493 2007-08-01
United States, California, Mono, Old Marina, western shore of Mono Lake, 2 km northeast of the US Forest Service Visitor Center, 37.98061 -119.10839, 1950m
UCR
Mitch Provance 17069 2003-06-15
United States, California, Riverside, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St., 33.835 -117.33194
UCR
T.B. Salvato 605--8 2005-06-13
United States, California, Riverside, c. 1.5 miles north of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15, 33.70528 -117.36361, 378m
UCR
A.C. Sanders 42627 2016-09-23
United States, California, Riverside, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd., 33.87944 -117.06972, 434m
UCR
Onkar Singh 5582 2015-10-06
United States, California, San Bernardino, c. 13 km NW of Hinkley, just south of Harper Lake, outside of perimeter fence of Mojave Solar Project, c. 1 km NE of junction of Lockhart Rd and Harper Lake Rd, 35.01778 -117.32056, 622m
UCR
Ann Howald 3959 2016-08-18
United States, California, Mono, Northwest shoreline of Mono Lake, c. 0.2 mile southeast of intersection of Hwy 395 and Cemetery Road, 38.00872 -119.15242, 1965m
UCR
Onkar Singh 5569 2015-09-14
United States, California, San Bernardino, Mojave Solar Project, c. 13 km NW of Hinkley, just south of Harper Lake, 35.01578 -117.30842, 623m
UCR
Onkar Singh 5045 2014-10-19
United States, California, San Bernardino, middle of Ivanpah Lake bed, 2 km southwest of Primm, along the Eldorado-Ivanpah Transmission Line, 35.59567 -115.40042, 799m
UCR
Ann Howald 4411 2017-08-15
United States, California, Mono, Mono Basin, west shore of Mono Lake, c. 0.7 mile south-southeast of Cemetery Road, 38.00303 -119.14739, 1950m
UCR
Steven A. Junak SN--1444 1999-09-15
United States, California, Ventura, San Nicolas Island, just southwest of Bldg. #147, Public Works Building, 33.23972 -119.46556, 122m
UCR
Mitch Provance 818--17 2018-08-03
United States, California, Los Angeles, Lake Los Angeles, Lovejoy Springs, N side of E Ave P, adjacent to the N side of Stephen Sorensen Park, 34.60581 -117.83031, 820m
UCR
Mitch Provance 4940B 2001-05-05
United States, California, San Bernardino, West Baker, wash on north side of the 15 freeway that connects Soda (dry) and Silver (dry) Lakes, 35.265 -116.07611, 300m