DAV
A. A. Heller 11579 1914-07-20
United States, California, Butte County, Butte County: 8 miles north of Oroville., 39.612827 -121.60595
DAV
G. K. Helmkamp; E. A. Helmkamp 11534 2006-10-18
United States, California, El Dorado County, El Dorado Co.: Northern Sierra Nevada Mountains Foothills: Diamond Springs; village along Hwy. CA-49 south of Placerville., 38.693611 -120.817778, 540m
DAV
G. K. Helmkamp; E. A. Helmkamp 11552 2006-10-20
United States, California, El Dorado County, El Dorado Co.: Northern Sierra Nevada Mountains Foothills: 0.6 mile northwest of Pleasant Valley along Pleasant Valley Road., 38.69 -120.671667, 756m
DAV
G. K. Helmkamp; E. A. Helmkamp 12992 2007-09-22
United States, California, El Dorado County, El Dorado Co.: Northern Sierra Nevada Mountains: along Pleasant Valley Road (Hwy CA-49) 0.8 mile west of its junction with Missouri Flat Road in Diamond Springs., 38.691944 -120.825278, 532m
DAV
G. K. Helmkamp; E. A. Helmkamp 13045 2007-09-30
United States, California, Sutter County, Sutter County: Sacramento Valley. Oak Ave. at its junction with CA-99, about 2.8 miles N of the Feather River crossing., 38.938056 -121.602778, 8m
DAV
John Thomas Howell 21496 1945-09-24
United States, California, Stanislaus County, Stanislaus County: Oakdale.
DAV
John Thomas Howell 38782 1962-09-22
United States, California, Kern County, Kern County: Sierra Nevada. Cooks Peak. Greenhorn Range., 35.703858 -118.549992, 2073m
DAV
John Thomas Howell 44166 1967-11-05
United States, California, Kern County, Kern County: Sierra Nevada. Flood bed of the Kern River 3 miles above Kernville., 35.788905 -118.448037, 846m
DAV
John Thomas Howell 46220 1969-09-15
United States, California, Mono County, Mono County: Sierra Nevada. Leavitt Meadow., 38.3165 -119.5488, 2195m
DAV
John Thomas Howell 33646 1958-07-01
United States, California, Fresno County, Fresno Co.: Sierra Nevada. Cedar Grove, S. Fk. Kings River., 1402m
DAV
G. F. Hrusa; S. A. Wagner 9186 1992-07-08
United States, California, San Joaquin County, San Joaquin County: Caswell Memorial State Park.
DAV
G. F. Hrusa 11418 1993-08-28
United States, California, Sacramento, Sacramento County: Along Laguna Spr. Rd, 1/4 mile S of Laguna Blvd., 38.416667 -121.266667, 10m
DAV
P. B. Kennedy s.n. 1920-06-23
United States, California, Yolo, Yolo County: Clarksburg -- Sacramento River. Holland Land Co., 38.42051 -121.54501
DAV
P. B. Kennedy s.n. 1921-09-27
United States, California, Merced County, Merced County: Sorghum Field, Swift Ranch.
DAV
Malcolm A. Nobs; S. Galen Smith 162 1948-07-16
United States, California, Merced County, Merced County: Los Banos Wildlife Refuge, 2 miles north of Los Banos.
DAV
Henry M. Pollard s.n. 1967-10-27
United States, California, Ventura County, Ventura County: San Antonio Creek Road between Rancho Arnaz and Camp Comfort., 34.382 -119.302
DAV
R. N. Raynor s.n. 1939-01-09
United States, California, Yolo, Yolo County: Botany greenhouse, University Farm.
DAV
Gordon H. True; John Thomas Howell 3220 1966-08-29
United States, California, Nevada County, Nevada County: East side of Boca Reservoir, just north of Dam., 1707m
DAV
Ernest C. Twisselmann 4677 1958-08-17
United States, California, San Luis Obispo County, San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county, Shandon., 35.661776 -120.214254, 655m
DAV
Ernest C. Twisselmann 6487 1961-08-21
United States, California, Kern County, Kern Co.: Sierra Nevada. Kern Valley: Isabella Lake bed., 35.665278 -118.443056, 732m
DAV
Ernest C. Twisselmann 6648 1961-10-30
United States, California, Kern County, Kern County: Mohave-Randsburg Region. Fremont Valley. 2.5 miles S of Cantil., 35.2721 -117.968, 594m
DAV
Ernest C. Twisselmann 7691 1962-08-23
United States, California, San Luis Obispo County, San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. O'Brien Lake, hills at the summit of Palo Prieta Canyon., 35.689628 -120.25559, 640m
DAV
Ernest C. Twisselmann 7932 1962-10-20
United States, California, San Luis Obispo County, San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county., 35.653 -120.212, 671m
DAV
Ernest C. Twisselmann 9186 1963-12-06
United States, California, Monterey County, Monterey County: Salinas Valley: King City Road, 1.6 mile south of Metz., 36.335265 -121.191334, 91m
DAV
Ernest C. Twisselmann 10214 1964-09-16
United States, California, Kern County, Kern County: Lake Isabella flood plain, about 2 miles south of Kernville., 35.725 -118.425, 823m
DAV
Ernest C. Twisselmann 11607 1965-09-19
United States, California, Tulare County, Tulare Co.: San Joaquin Valley, The Pixley National Wildlife Refuge. East side of the Refuge., 69m
DAV
M. Vincent 314 1962-12-05
United States, California, Los Angeles County, Los Angeles County: Santa Monica Mts, Mulholland Highway at Stunt Road., 34.1 -118.66
DAV
Ira L. Wiggins 20658 1966-05-04
United States, California, Orange County, Orange Co.: Along railroad embankment of A.T. and S.F.R.R, on southwest side of Orangethorpe Avenue, near Esperanza siding.
DAV
June McCaskill; Louis Grivetti 6-7 1985-07-04
Greece, Attica Region, Greece. Attica Region. Island Regional Unit. Troizinia Municipality. Ancient Troezen; Aesclepion-hospital area., 37.48333333 23.4, 79m
DAV
June McCaskill; Louis Grivetti 33-11 1985-07-27
Greece, Peloponnese region, Greece. Peloponnese region. Corinthia regional unit. Corinth. South stoa area and beama, abutting on the west with site 32, and extending eastward for approximately 150 yards., 37.93333333 22.93333333, 11m
DAV
A. Solomeshch s.n. 2004-10-02
United States, California, Napa, North end of Lake Berryessa, near Berryessa-Knoxville Road, ca 0.5-2 km north of Pope Canyon Road intersection., 38.624047 -122.289985
DAV
A. Solomeshch s.n. 2004-10-02
United States, California, Napa, South end of Lake Berryessa; Spanish Flat, 38.535185 -122.224975
DAV
DAV349707 John Thomas Howell 30104 1954-09-06
United States, California, Tuolumne County, Tuolumne County: Sierra Nevada. Chinese Camp., 37.87048 -120.43218, 381m
DAV
Beecher Crampton 8812 1972-06-15
United States, California, Orange County, Orange County: Irvine area, UC South Coast Field Station.
DAV
Jake Ruygt 4347 2001-10-22
United States, California, Napa County, Napa County; Dry Creek at Solano Avenue., 38.364444 -122.353889, 29m
DAV
Ellen Dean; with M. Bibbo 1155 2002-07-05
United States, California, Yolo, Yolo County: McLaughlin UC Reserve. Along road leading from Davis Creek Reservoir to Clover Valley, N of valley, where stream crosses road (southernmost of two stream crossings). Adjacent to the culvert., 38.845833 -122.353056, 442m
DAV
J. Shepard 275 2000-05-26
United States, California, Yolo, Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd, 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Past parking lot on north side of entrance road. Between ruts in gravel road, 38.494444 -121.693611, 12m
DAV
Beecher Crampton 175 1941-06-09
United States, California, Merced County, Merced County: 1.5 miles south of Delhi., 37.41778 -120.76083, 37m
DAV
Beecher Crampton 854 1952-10-11
United States, California, Yolo, Yolo County, city of Davis, waste lot., 38.57639 -121.74778
DAV
Beecher Crampton 8976 1973-07-10
United States, California, Solano County, Solano County: 13 miles south of Dixon., 38.2707 -121.82576
DAV
Robert E. Preston 2282 2004-08-26
United States, California, Madera County, Madera County: 6 mi SE of Chowchilla, along Rd 22, 37.100278 -120.146667, 87m
DAV
Rimo Bacigalupi; L. R. Heckard 8752 1962-11-06
United States, California, Tulare County, Tulare County: On flat above and east of summit of Boyd Grade, 7.2 miles east of Orosi, on state highway 63.
DAV
Ch. L. Batcheller s.n. 1929-08-04
United States, California, Los Angeles County, Los Angeles County: 15 miles N.W. of Lancester. From Antelope Valley.
DAV
A. S. Crafts 424 1926-07-08
United States, California, Yolo, Yolo County: University Farm Campus, Davis., 38.5368 -121.7855
DAV
A. S. Crafts 492 1926-07-24
United States, California, Merced County, Merced County: Between Merced and Manteca.
DAV
Beecher Crampton 3700 1956-07-08
United States, California, Solano County, Solano County: 3/4 miles south of Davis. Hamel Ranch.
DAV
R. L. Ferral 29 1954-05-31
United States, California, Yolo, Yolo County: In an unoccupied greenhouse, third from east in row north of Soils and Irrigation Building, University of California, Davis.
DAV
A. A. Heller 13351 1919-08-09
United States, California, Butte County, Butte County: Chico.
DAV
John Thomas Howell 21521 1945-09-28
United States, California, Mono County, Mono County: Mono Lake., 38.007604 -119.014763
DAV
John Thomas Howell 35002 1959-09-25
United States, California, Plumas County, Plumas County: 2 miles east of Portola., 1484m
DAV
John Thomas Howell 41387 1965-09-15
United States, California, Mono County, Mono County: West shore of Mono Lake on roadside., 37.983339 -119.102654, 2042m
DAV
John Thomas Howell 50501 1974-00-00
United States, California, Lassen County, Lassen County: Sierra Nevada. Susanville., 40.421 -120.639, 1295m
DAV
G. F. Hrusa; S. A. Wagner 9258 1992-04-22
United States, California, San Joaquin County, San Joquin County: Caswell Memorial State Park.
DAV
P. B. Kaufman 42 1950-05-20
United States, California, Yolo, Yolo County: Near Botany Building, University of California campus, Davis., 38.53937 -121.75617
DAV
P. B. Kennedy s.n. 1918-08-03
United States, California, Los Angeles County, Los Angeles County: Bakersfield.
DAV
Henry M. Pollard s.n. 1967-12-02
United States, California, Ventura County, Ventura County: Ventura River between Foster Park and Casitas Springs., 34.365925 -119.311102
DAV
Henry M. Pollard s.n. 1972-11-28
United States, California, Ventura County, Ventura County: Between traffic lanes on Maricopa Road between Ojai and Meiners Oaks., 34.44361 -119.26861
DAV
Robert F. Thorne; J Dourley 37323 1967-10-10
United States, California, San Bernardino County, San Bernardino County: San Gabriel Mts. At Lost Lake, sag pod in San Andreas Fault., 34.2729 -117.4652, 838m
DAV
Robert F. Thorne; Steve Boyd and Earl Lathrop 61264 1985-07-18
United States, California, San Diego County, San Diego County: De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek., 33.45 -117.291667, 140m
DAV
T. Tomich 64 1949-05-30
United States, California, Yolo, Yolo County: Davis., 38.553154 -121.751816
DAV
Ira L. Wiggins 20274 1965-10-18
United States, California, Orange County, Orange Co.: NE corner of Chapman Ave. and Victor Dr. Fullerton., 33.8744 -117.904
DAV
Dr. C.C. Crampton 321 1913-00-00
United States, Illinois, Kankakee, ILLINOIS, Kankakee Co, Kankakee reg.
DAV
Hannah Kang 553 2020-07-09
United States, California, Placer, PLACER COUNTY: Southwest Lincoln near Lincoln Crossing. Near Ingram Slough. Several hundred feet east from Hillsdale Lane cul-de-sac., 38.86523 -121.324749, 28m
DAV
Jake Ruygt 2098 1987-10-12
United States, California, Napa County, Napa County; Sage Canyon Rd, near edge of Lake Hennessey., 38.4825 -122.358889, 91m
DAV
Jake Ruygt 5890 2012-11-03
United States, California, Napa County, Napa County: Lake Hennessey east of boatramp., 38.486449 -122.347251, 94m
DAV
Beecher Crampton 907 1952-11-04
United States, California, Yolo, Yolo County, 1.5 miles east of city of Woodland, in vicinity of sewage disposal.
DAV
Beecher Crampton 5449 1959-08-20
United States, California, El Dorado, 1.5 miles southwest of Shingle Springs.
DAV
B. Crampton 907 1952-11-11
United States, California, Yolo, Yolo County: About 1.5 miles east of Woodland.
DAV
Beecher Crampton 5768 1960-08-09
United States, California, San Joaquin County, San Joaquin County: 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River.
DAV
B. Crampton 5449 1959-08-20
United States, California, El Dorado County, El Dorado County: 1.5 miles southwest of Shingle Springs. Margin of a reservoir.
DAV
Ellen Dean; Petra Unger, Dawn Cunningham 2727 2005-10-10
United States, California, Lassen County, Lassen County: E. of town of Susanville. Private property N of California Correctional Facility., 40.4079994835088 -120.489553878851, 1248m
DAV
Robert E. Preston 2248 2004-06-06
United States, California, Sacramento, Sacramento County: Ca. 4.5 mi E of Florin, in field NE of the int. Florin Rd and Know Rd, 38.501111 -121.313889, 23m
DAV
Rimo Bacigalupi; Charles H. Quibell 6698 1958-08-21
United States, California, Fresno County, Fresno County: Northwestern shore of Red Lake; Dinkey Lakes region, Sierra National Forest., 2743m
DAV
John Thomas Howell 34990 1959-09-25
United States, California, Plumas County, Plumas County: Feather River, Portola., 39.80845 -120.469433, 1478m
DAV
John Thomas Howell 47462 1970-09-25
United States, California, Kern County, Kern County: Sierra Nevada, Lake Isabella (east side of north arm), about 5 miles S of Kernville., 35.687 -118.4272, 792m
DAV
P. B. Kennedy s.n. 1920-06-23
United States, California, Yolo, Yolo County: Clarksburg -- Sacramento River. Holland Land Co., 38.42051 -121.54501
DAV
H. L. Mason 12676 1945-08-24
United States, California, Lake County, Lake Co.: East shore, Lower Lake.
DAV
Gordon H. True; John Thomas Howell 3219 1966-08-29
United States, California, Nevada County, Nevada County: East side of Boca Reservoir, just north of Dam., 1707m
DAV
Ernest C. Twisselmann 6486 1961-08-21
United States, California, Kern County, Kern Co.: Sierra Nevada. Kern Valley: Isabella Lake bed., 35.665278 -118.443056, 732m
DAV
DAV238863 Robert E. Preston; Geri Hulse-Stephens 3381 2021-06-15
United States, California, Mendocino, Little Lake Valley, 1.4 mi NE of Willits High School., 39.43638 -123.33952, 404m
DAV
Steven A. Junak; Ralph Philbrick & Mary Hochberg SC-65 1979-05-10
United States, California, Santa Barbara, Santa Cruz Island: Central Valley at Stanton Ranch. In front of automotive shop., 33.99542 -119.7155, 76m
DAV
Jake Ruygt 366 1978-06-20
United States, California, Napa County, Napa County : 'H' Street, Napa. (Coordinates estimated by label maker at UC Davis)., 38.306667 -122.296944, 12m
DAV
Lowell Ahart 11404 2004-09-28
United States, California, Butte County, Butte County: On the south side of the Oroville Chico Highway, west of Butte Creek, about 1 1/8 miles southeast of the Midway, about 2 1/8 miles (air) northeast of Durham, about 3 1/2 miles (air) southeast of Chico., 39.6777777780468 -121.778611111517, 58m
DAV
G.F. Hrusa; R. Gill, E. Brennan 14780 1998-08-19
United States, California, Alameda, Alameda County: At Garin County Park., 37.5591666663066 -122.052499999944
DAV
Gabor Bethlenfalvay 23 1973-05-28
United States, California, Yolo, Yolo County: city of Davis, UC Davis campus, in waste place, near UCD Botany Greenhouse., 38.54147 -121.75468, 15m
DAV
June McCaskill s.n. 1984-06-21
United States, California, Yolo, Yolo County: city of Davis, UC Davis campus, courtyard behind (west of) Animal Science Building.
DAV
Beecher Crampton 3702 1956-07-08
United States, California, Solano County, Hamel Ranch, 3/4 miles south of Davis.
DAV
B. Crampton 855 1952-10-11
United States, California, Yolo, Yolo County: Davis. Waste lot in adobe soil., 38.5687 -121.73658
DAV
L. Ahart 3666 1982-07-10
United States, California, Butte County, Butte County: Near a small building in parking lot at check-in station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley., 39.32277778 -121.8352778, 35m
DAV
Grace M. Cole s.n. 1916-10-07
United States, California, Alameda, Alameda County: Campus U. of C. Berkeley., 37.8751 -122.248
DAV
H. F. Copeland s.n. 1927-07-24
United States, California, Alameda, Alameda County: U.C. Campus Berkeley., 37.8751 -122.248
DAV
Barbara Ertter; Elizabeth Neese 7973 1988-10-15
United States, California, Alameda, Contra Costa County: W of I-580 in El Cerrito, jct of Central Ave and Rydin Road.
DAV
A. H. Frederick s.n. 1928-07-22
United States, California, Alameda, Alameda County: Shattuck Ave.
DAV
Chas. Heiser 1945 1947-07-02
United States, California, Yolo, Yolo County: On campus, Davis., 38.553154 -121.751816
DAV
John Thomas Howell 19852 1944-07-23
United States, California, Marin County, Marin County: San Rafael., 37.97361 -122.53
DAV
P. B. Kennedy s.n. 1914-07-09
United States, California, Alameda, Alameda County: campus, Berkeley., 37.8751 -122.248
DAV
P. B. Kennedy s.n. 1926-08-12
United States, California, Alameda, Alameda County: Berkeley Grass Garden.
DAV
Herbert L. Mason 3792 1927-06-20
United States, California, Alameda, Alameda County: Parking strips of Berkeley., 37.8697 -122.2686
DAV
Henry M. Pollard s.n. 1958-08-24
United States, California, Santa Barbara County, Santa Barbara Co.: Near Modoc and Mission Sts. Intersection., 34.423684 -119.722111
DAV
A. C. Sanders 23225 1999-10-31
United States, California, Orange County, Orange Co.: South Coast: Mission San Juan Capistrano, near intersection of Ortega Highway (Hwy 74) and El Camino Real. Near confluence of San Juan Creek and Arroyo Trabuco., 33.500556 -117.661111, 61m