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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC102330
Juglans regia
Henry M. Pollard
1946-8-27
s.n.
Humboldt
South side of Klamath River, near Boyce Creek, Orleans region
Comment
CAS-BOT-BC102331
Juglans regia
Ernest C. Twisselmann
1966-7-5
12553
Kern
Bronco Canyon
1417
Comment
CAS-BOT-BC102332
Juglans regia
Steve Boyd; Orlando Mistretta
1993-6-10
8185
Los Angeles
Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the
914
Comment
CAS-BOT-BC102333
Juglans regia
Peter H. Raven
1959-5-3
14085
Los Angeles
Woodrow Wilson Drive 1.2 miles east of Laurel Canyon
350
Comment
CAS-BOT-BC102334
Juglans regia
Peter L. Morrell; Donna Krause
1994-5-27
456
San Luis Obispo
at 6060 Ontario Rd., 0.8 miles N of Avila Beach - San Luis Bay exit off CA Hwy 101
100
Comment
CAS-BOT-BC102335
Juglans regia
Henry M. Pollard
1961-8-17
s.n.
Santa Barbara
in Arroyo Burro near Modoc Road, Santa Barbara
Comment
CAS-BOT-BC158117
Juglans regia
A. C. Sanders; R. E. Riefner, Jr.
2009-8-11
37146
Riverside
Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn
320
Comment
CAS-BOT-BC413814
Juglans regia
R. E. Riefner, Jr.
2014-10-1
14 -365
Riverside
City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St.
402
Comment
CDA15558
Juglans regia
G. F. Hrusa, M. Rejmanek, M. Tu
1998-10-14
14889
San Joaquin
Caswell Memorial State Park; Quercus lobata understory.
Comment
CDA23748
Juglans regia
Daniel Gluesenkamp
2006-11-23
s.n.
San Diego
Fallbrook. 1524 Dickey St in abandoned citrus orchard.
Comment
CHSC27163
Juglans regia
M. MacArthur
1968-6-13
307
Butte
Parkinbg lot NE of Building U, Chico State College campus.
60
Comment
CHSC35498
Juglans regia
James Henrickson
1979-5-18
18124
Los Angeles
Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; open weedy flats S of creek.
402
Comment
CHSC6617
Juglans regia
M. MacArthur
1968-6-13
307
Butte
Parkinbg lot NE of Building U, Chico State College campus.
60
Comment
JEPS100044
Juglans regia
G. Smick
2003-5-30
GAS 209
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
OBI51410
Juglans regia
Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse
1993-7-15
5 .13
San Luis Obispo
San Simeon State Park, North central section of San Simeon State Park
10
Comment
OBI75312
Juglans regia
David J. Keil
2010-11-10
30957
San Luis Obispo
South of Nipomo on Thompson Ave. along Nipomo Creek, 1 mile north from junction with CA 166
68
Comment
OBI79108
Juglans regia
David J. Keil
2011-11-12
31192
San Luis Obispo
San Luis Obispo. Vegetated strip opposite San Luis Obispo High School along San Luis Drive extending into riparian corridor of San Luis Creek
75
Comment
RSA0011201
Juglans regia
Peter L. Morrell, D. S. Krause
1994-5-27
456
San Luis Obispo
At 6060 Ontario Road., 0.8 miles N of Avila Beach - San Luis exit off CA Hwy 101.
100
Comment
RSA0050326
Juglans regia
R. E. Riefner Jr.
2013-9-11
13 -216
San Diego
City of San Marcos, Bent Ave. at Discovery St.
168
Comment
RSA0089822
Juglans regia
Dean Wm. Taylor, Alison E. L. Colwell
2010-7-1
20907
Mariposa
Yosemite Nationa Park: Yosemite Valley, Yosemite Village, planted tree in northeastern most park housing section.
1219
Comment
RSA202778
Juglans regia
H. M. Pollard
1966-9-7
3
Ventura
Hemmed in by live oaks at base of riverine bluff on east side of Ventura River bottom near corner of Rice and Fairview Roads, Meiners Oaks.
Comment
RSA22739
Juglans regia
Carl B. Wolf
1939-11-29
9545
Orange
Orange County Picnic Grounds,
Comment
RSA527687
Juglans regia
Tim S. Ross, A. R. Ross
1991-6-3
5542
Los Angeles
Elephant Hill, W Pomona
287
Comment
RSA561586
Juglans regia
Steve Boyd
1993-6-10
8185
Los Angeles
Western San Gabriel Mountains, N of Sylmar and S of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along the Los Pinetos Fire Road (3N76) just upslope from water tank at Los Pinetos Spring.
915
Comment
RSA614987
Juglans regia
Louis C. Wheeler
1968-4-13
s.n.
Los Angeles
San Gabriel Mountains: North Fork Lytle Creek; ca. 1/4 mile upstream form Alpine Canyon (USFS D2). Bluebird Ranch.
518
Comment
RSA681907
Juglans regia
Scott D. White
2003-6-2
9444
Los Angeles
Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit.
183
Comment
RSA736200
Juglans regia
L. M. Prince, Lucinda McDade, Norm Ellstrand, Pace Lubinsky, Andreas Kaus
2008-8-18
511
Los Angeles
Cal Poly. Pomona campus. N. of Parking Lot J. South facing slope. Natural area. Gentle slopes of ravine
250
Comment
RSA756085
Juglans regia
A. C. Sanders, R. E. Riefner Jr.
2009-8-18
37170
Los Angeles
Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage
70
Comment
RSA770172
Juglans regia
Pam De Vries, Alexandra Morton
2010-10-19
7705
Kern
Western Transverse Range; San Emigdio Mountains Region; Bitter Creek National Wildlife Refuge, approx. 2.75 air miles southeast of the intersection of Cerro Noroeste Road and Highway 33. Management Unit 8., In old homestead area just off Cerro Noroeste Rd.
1201
Comment
SACT002759
Juglans regia
G. Pyburn
1889/11/00
Sacramento
Comment
SACT002760
Juglans regia
G. Pyburn
1889/11/00
Sacramento
Comment
SACT002763
Juglans regia
Herbert Baer
1939-4-13
Sacramento
Comment
SBBG91581
Juglans regia
S. A. Junak, M. Hochberg, R. Philbrick
1979-9-28
Santa Barbara
Canada del Puerto, just N of Stanton Ranch (before first crk crossing N of ranch)
60
Comment
SD248445
Juglans regia
R. E. Riefner Jr.
2011-8-25
11 115
Orange
Trabuco Canyon, Trabuco Canyon Road, ca. 1 mile NW of O'Neill Regional Park.
319
Comment
SD252392
Juglans regia
R. E. Reifner Jr.
2013-9-11
13 216
San Diego
City of San Marcos, Bent Ave at Discovery St.
167
Comment
SDSU6924
Juglans regia
Gerald Collier
1951-5-5
Los Angeles
Temple city 10 miles east of L.A on lower Azusa Road. 1 mile east of Rosemead blvd.
Comment
SEINET3245947
Juglans regia
A. C. Sanders, R. E. Riefner Jr.
2009-1
37146
Riverside
Peninsular Range: Riverside, CUR campus by West Campus Drive near The Barn (Riverside East 7.5')
320
Comment
UC1584730
Juglans regia
Tim Ross and Annette Ross
1991-6-3
5542
Los Angeles
rocky outcrop on steep southerly slope west Pomona, Elephant Hill
286
Comment
UC774593
Juglans regia
C. B. Wolf
1939-11-29
9545
Orange
Orange County Picnic Grounds
Comment
UCD110247
Juglans regia
Henry M. Pollard
1966-9-7
3
Ventura
East side of Ventura River-bottom near corner of Rice and Fairview Roads, Meiners Oaks.
Comment
UCD18222
Juglans regia
Mike Payne
2001-5-22
s.n.
Yolo
City of Davis, NE corner of Temple Dr. and Cork Pl.
Comment
UCD41123
Juglans regia
K. Arhangelsky
2002-4-5
165
Yolo
Eastern foothills of inner north coast range, Capay Valley. Farm near Rumsey.
Comment
UCD41403
Juglans regia
Ellen Dean; M. Bibbo, T. Pitman, and A. Douglas
2004-5-1
2017
Lake
McLaughlin UC Reserve at junction of Knoxville-Berryessa Road and Rief Road, north side of Rief Rd., along drainage, about 0.1 road miles east of Knoxville-Berryessa Road.
670
Comment
UCR151699
Juglans regia
Steve Boyd, Heidi Bigelow
2004-4-5
10785
San Diego
Peninsular Ranges, Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain and c. 6 mi south of junction of Mesa Grande Rd. along Black Canyon Rd
Comment
UCR19722
Juglans regia
H. M. Pollard
1971-12-17
s.n.
Ventura
S side of Fox Creek conduit, a little downtown stream from former Southern Pacific railroad crossing, Ojai.
Comment
UCR209207
Juglans regia
A. C. Sanders, R. E. Riefner Jr.
2009-8-18
37165
Los Angeles
San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage
70
Comment
UCR216056
Juglans regia
R. E. Riefner Jr.
2009-7-18
09- 149
Orange
Trabuco Canyon, Trabuco Canyon Rd. c. 1.25 mi. NW of O'Neil Regional Park
332
Comment
UCR219659
Juglans regia
George K. Helmkamp, E. A. Helmkamp
2009-11-3
15724
El Dorado
Sierra Nevada Mountains Foothills, Somerset, at the junction of Grizzly Flat Road and Hwy E-16
636
Comment
UCR224369
Juglans regia
Justin M. Wood, Dustin M. Ray
2010-9-13
2668 A
San Bernardino
San Bernardino Mountains, Clark's Ranch, accessed via Seven Pines Road
1480
Comment
UCR227712
Juglans regia
Pam De Vries, Alexandra Morton
2010-10-19
7705
Kern
Western Transverse Range; San Emigdio Mountains, Bitter Creek National Wildlife Refuge; c. 2.75 air miles south southwest of the intersection of Cerro Noroeste Road and Hwy 33. Management Unit 8, old homestead area just off Cerro Noroeste Road
908
Comment
UCR230592
Juglans regia
Mike Misenhelter
2011-8-9
s.n.
Los Angeles
San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course
159
Comment
UCR246396
Juglans regia
R. E. Riefner Jr.
2013-9-11
13- 216 A
San Diego
South Coast, city of San Marcos, Bent Ave. at Discovery St.
168
Comment
UCR251739
Juglans regia
R. E. Riefner Jr.
2000-8-29
00- 766
Los Angeles
Coastal Plains & Basins; Los Angeles Basin region, Sunland, Verdugo Mountains, La Tuna Canyn, north side of La Tuna Canyon Rd., 0.5 miles east of Alben Ave.
316
Comment
UCR93816
Juglans regia
P. J. MacKay
1996-6-15
012
Riverside
Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd.
580
Comment
UCR99957
Juglans regia
B. G. Pitzer, M. Georgiady
1997-8-16
3280
San Bernardino
San Bernardino Mtns., Los Rios Rancho, south of Oak Glen
1341
Comment
YM-YOSE225055
Juglans regia
Sierra Smith
2009-6-30
213
Mariposa
Yosemite Valley, Southside Drive near Sentinel Bridge. Five meters off road
1207
Comment
GH395234
Juglans regia
R. F. Thorne, E. W. Lathrop & G. Marshs
1977-5-4
49798
Unknown
Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa
Comment
OBI13699
Juglans regia
Jay B. Hunt
1955-10-26
s.n.
San Luis Obispo
Cal Poly, SLO; Swine Unit
Comment
OBI72209
Juglans regia
E. L. Painter & M. Wetherwax, M. Wetherwax
2000-8-20
SLO- 163
San Luis Obispo
Camp SLO; along Chorro Valley rd, near warehouses, in cultivated grove
100
Comment
OBI72423
Juglans regia
E. L. Painter & M. Wetherwax, M. Wetherwax
2000-8-21
CR- 120
San Luis Obispo
Old Nacimiento Ranch walnut grove, near Boy Scout Rd, above Nacimiento River
200
Comment
RSA0022439
Juglans regia
Robert F. Thorne, E. W. Lathrop, G. Marshs
1977-5-4
49798
Orange
Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa
Comment
RSA0035013
Juglans regia
Robin J. Tausch
1963-4-15
s.n.
Los Angeles
Calvert St., 1/4 mi. West Corbin Ave., Woodland Hills.
243
Comment
RSA192083
Juglans regia
H. A. Zuill
1966-6-8
s.n.
San Diego
De Luz Road about 9 miles SE of Murrieta.
Comment Read comments Mar 28 2013
RSA401034
Juglans regia
H. M. Pollard
1970-10-9
s.n.
Ventura
San Antonio Creek north of and near Rancho Arnaz, Oak View.
Comment
RSA401055
Juglans regia
H. M. Pollard
1961-8-17
s.n.
Santa Barbara
Spontaneous in Arroyo Burro near Modoc road.
Comment
RSA43669
Juglans regia
H. M. Pollard
1948-7-6
s.n.
Ventura
Creek bed, upper Ojai Valley
Comment
RSA549866
Juglans regia
Steven A. Junak
1990-5-31
sc 1942
Santa Barbara
Santa Cruz Island, Central Valley, along road to South Ridge Road W of Stanton Ranch airfield, 0.05 miles N of intersection with Valley Road, Head of gully, presumably spontaneous from ranch cuttings dumped here to stop erosion, SCI.
128
Comment
RSA653418
Juglans regia
Brad Henderson
2000-7-21
s.n.
Los Angeles
San Gabriel Mountains: Wildwood Canyon, above Glendora.
Comment
SACT002761
Juglans regia
Josephine Van Ess
1976-10-13
Placer
Collected near PFE road. Old roadside planting-rows of trees along road for some distance
27.4
Comment
SACT002762
Juglans regia
G. Pyburn
1890-6-7
Riverside
Comment
SD1117
Juglans regia
Mary S. Snyder
Unknown
Southern California
Comment
SD255201
Juglans regia
R. F. Thorne, E. W. Lathrop, G. Marshs
1977-5-4
49798
Orange
Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa.
Comment
SEINET12033496
Juglans regia
Unknown
1945-1
s.n.
Unknown
Orange, RD #2, R.E. Walworth
Comment
SEINET12036485
Juglans regia
Unknown
1921-1
s.n.
Unknown
no further locality
Comment
UCD110246
Juglans regia
Perry S. Allen
1969-7-8
451
Stanislaus
Beside Route J 59, between Highway 132 and Tuolumne River bridge, at La Grange.
Comment
UCSC004579
Juglans regia
Randall Morgan
1999-10-17
3616
Santa Cruz
Soquel, N Main Street
Comment
UCSC004580
Juglans regia
Randall Morgan
1999-10-17
3616
Santa Cruz
Soquel, N Main Street
Comment