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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC272062
Centaurea melitensis
Timothy S. Ross; Steve Boyd
1994-7-7
8161
Los Angeles
South base of Liebre Mountain just on the N side of the Kelly Ranch inholding, Upper Cienaga Canyon, Liebre Mountains
1018
Comment
CAS-BOT-BC272063
Centaurea melitensis
Peter H. Raven; Henry J. Thompson
1959-6-4
14323
Los Angeles
Dune grassland behind Point, Point Dume, Santa Monica Mountains
45
Comment
CAS-BOT-BC272066
Centaurea melitensis
Geo. B. Grant
1898-4-3
s.n.
Los Angeles
Pasadena
Comment
CAS-BOT-BC272068
Centaurea melitensis
Fordyce Grinnell
1916-6-16
s.n.
Los Angeles
Santa Susana Pass, Los Angeles - Ventura line
Comment
CATA123
Centaurea melitensis
Peter Henrikson
1987-5-18
94
Los Angeles
Santa Catalina Island: Above road near Howland's Landing
30
Comment
CATA1256
Centaurea melitensis
Mark L. Hoefs, Douglas R. Hoefs
1995-6-29
2340
Los Angeles
Santa Catalina Island: By Empire Landing Road near quarry
124
Comment
CATA1305
Centaurea melitensis
Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay
1995-7-14
2396
Los Angeles
Santa Catalina Island: By road, middle of Cape Canyon
243
Comment
CATA243
Centaurea melitensis
Mark L. Hoefs, A. Douglas Propst
1973-5-4
240
Los Angeles
Santa Catalina Island: Indian Head Point
60
Comment
CATA26
Centaurea melitensis
USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay
2011-7-1
10
Los Angeles
Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30%
22
Comment
CATA3443
Centaurea melitensis
Benjamin J. Dion, Stuart Olshevski
2017-5-3
024
Los Angeles
Santa Catalina Island: Channel Side; roadside, Quarry Haul Road, Empire Landing watershed
128
Comment
CATA793
Centaurea melitensis
Mark L. Hoefs, Robert Given
1991-6-12
1361
Los Angeles
Santa Catalina Island: Near road above Salta Verde Beach
176
Comment
CDA1094
Centaurea melitensis
Michael O Brien
2006-5-28
s.n.
Los Angeles
Malibu; El Pescador State Beach.
Comment
CDA29530
Centaurea melitensis
Michael O Brien
2009-7-12
PDR# 1535008
Los Angeles
Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp.
Comment
CDA34296
Centaurea melitensis
M. O'Brien
2011-6-14
MOB 11 -6
Los Angeles
Santa Monica Mountains; Tapia County Park.
152
Comment
CHSC25954
Centaurea melitensis
E. Bushey
1968-5-22
82
Los Angeles
Mulholland Dr.
304
Comment
JEPS26162
Centaurea melitensis
Peter H. Raven and Henry J. Thompson
1959-6-4
14323
Los Angeles
Point Dume Santa Monica Mountains, Point Dume
45
Comment
JEPS30477
Centaurea melitensis
Henry J. Thompson
1959-5-24
Los Angeles
0.7 mi n of Coast Highway; Santa Monica Mountains, Tuna Canyon
91
Comment
JEPS30627
Centaurea melitensis
Peter H. Raven and Henry J. Thompson
1959-5-5
14112
Los Angeles
1 mi w of Las Virgenes Rd. Mulholland Hwy. (Malibu Creek drainage); Santa Monica Mountains, Malibu Creek
274
Comment
LA94402
Centaurea melitensis
A. M. Johnson;
1932-5-30
4116
Los Angeles
Santa Monica Mountains, Brent's Mountain, Crag's Camp
152
Comment
POM155577
Centaurea melitensis
M. B. Dunkle
1928-4-11
1845
Los Angeles
Emerald Bay, Santa Catalina Island.
30
Comment
POM351497
Centaurea melitensis
F. R. Fosberg
1931-4-10
s 4529
Los Angeles
Descanso Canyon, Santa Catalina Island.
70
Comment
POM351500
Centaurea melitensis
H. L. Bauer
1931-6-1
s.n.
Los Angeles
Santa Monica foothills.
Comment
POM351502
Centaurea melitensis
F. R. Fosberg
1930-7-3
S 3032
Los Angeles
Lexington Wash, San Gabriel River, El Monte.
80
Comment
POM351504
Centaurea melitensis
L. E. Hoffman
1929-6-8
s.n.
Los Angeles
Arroyo Seco Canyon
Comment
POM351508
Centaurea melitensis
Howard Mullins
1931-4-19
s.n.
Los Angeles
Flintridge.
Comment
POM6122
Centaurea melitensis
J. F. Illingworth
1898-06
s.n.
Los Angeles
Claremont.
366
Comment
POM6129
Centaurea melitensis
Philip A. Munz
1918-5-16
2254
Los Angeles
Claremont.
Comment
RSA0021521
Centaurea melitensis
Duncan S. Bell, Caitlin Elam, Evan Meyer
2013-6-13
5151
Los Angeles
San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio.
898
Comment
RSA0022527
Centaurea melitensis
Duncan S. Bell, Caitlin Elam
2013-6-24
5252
Los Angeles
San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon.
740
Comment
RSA0042039
Centaurea melitensis
R. G. Swinney
2010-5-4
12485
Los Angeles
San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy.
488
Comment
RSA0053864
Centaurea melitensis
R. G. Swinney
2010-4-28
12439
Los Angeles
San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary.
488
Comment
RSA0055981
Centaurea melitensis
Richard G. Swinney
2010-5-25
12979
Los Angeles
San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak.
659
Comment
RSA0069439
Centaurea melitensis
R. G. Swinney
2010-6-8
13194
Los Angeles
Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail.
546
Comment
RSA0080745
Centaurea melitensis
R. G. Swinney
2010-6-23
13366
Los Angeles
Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace.
335
Comment
RSA0082898
Centaurea melitensis
R. G. Swinney
2010-5-7
12585
Los Angeles
Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd.
463
Comment
RSA0087089
Centaurea melitensis
R. G. Swinney
2010-5-4
12565
Los Angeles
Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary.
482
Comment
RSA0088008
Centaurea melitensis
R. G. Swinney
2010-6-21
13299
Los Angeles
Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring.
902
Comment
RSA0097783
Centaurea melitensis
R. G. Swinney
2011-4-26
14522
Los Angeles
San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir
378
Comment
RSA127768
Centaurea melitensis
Peter H. Raven
1959-6-4
14323
Los Angeles
Santa Monica Mountains. Point Dume.
46
Comment
RSA177884
Centaurea melitensis
R. F. Thorne, Percy C. Everett
1965-5-10
34435
Los Angeles
Cape Canyon, Santa Catalina Island
274
Comment
RSA591063
Centaurea melitensis
J. Mark Porter, J. Travis Columbus, Gracie dos Santos
1996-6-5
10926
Los Angeles
Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road.
610
Comment
RSA596446
Centaurea melitensis
Steve Boyd, Mark Elvin, Victoria Jotikasthira
1996-6-25
8868
Los Angeles
Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land.
854
Comment
RSA598908
Centaurea melitensis
R. G. Swinney
1969-1
538
Los Angeles
Base of San Gabriel Mountains, in and near the city of Glendora. 0.6 mi. N of Sierra Madre Ave. on N Pennsylvania Ave.
365
Comment Read comments May 12 2013
RSA600752
Centaurea melitensis
L. C. Wheeler
1967-6-15
9839
Los Angeles
Liebre Mountain Region: Foothills NE of Saugus.
381
Comment
RSA607947
Centaurea melitensis
L. C. Wheeler
1932-9-5
1348
Los Angeles
San Antonio Canyon, San Gabriel Mountains.
884
Comment
RSA631375
Centaurea melitensis
Valerie L. Soza, LeRoy Gross
1999-5-10
453
Los Angeles
San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue.
378
Comment
RSA653765
Centaurea melitensis
J. Bogdanoff-Lord
1989-5-21
23
Los Angeles
Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road.
Comment
RSA653890
Centaurea melitensis
Valerie L. Soza, Laura Moore
2000-5-10
828
Los Angeles
Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines
594
Comment
RSA656868
Centaurea melitensis
Joseph M. Keefe
2001-1-24
31011
Los Angeles
Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena.
250
Comment
RSA670211
Centaurea melitensis
Joseph M. Keefe
2001-3-19
31149
Los Angeles
San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208.
466
Comment
RSA719491
Centaurea melitensis
Gary Kovnat, LeRoy Gross
2003-6-28
45
Los Angeles
Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone.
Comment
RSA723071
Centaurea melitensis
LeRoy Gross
2007-5-16
2739
Los Angeles
Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near
273
Comment
RSA726014
Centaurea melitensis
A. C. Sanders, Tricia Wotipka, Mark Elvin, et al.
2003-4-28
26139
Los Angeles
Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam.
488
Comment
RSA772394
Centaurea melitensis
R. G. Swinney
2009-5-8
10697
Los Angeles
Azusa, El Encanto Azusa River Wilderness Park
305
Comment
RSA779871
Centaurea melitensis
R. G. Swinney
2009-4-7
10299
Los Angeles
Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel
169
Comment
RSA802046
Centaurea melitensis
Orlando Mistretta, Kristie Haydu
2011-7-20
5962
Los Angeles
Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road.
902
Comment
SBBG105359
Centaurea melitensis
H. L. Ferguson
1979-6-11
3
Los Angeles
San Clemente Island
215
Comment
SBBG118760
Centaurea melitensis
J. T. Rothrock
-Jun-1875
39
Los Angeles
Los Angeles
Comment
SBBG12558
Centaurea melitensis
P. H. Raven
1962-7-11
17988
Los Angeles
cyn N of Nanny, NE of Lemon Tank, about halfway down
Comment
SBBG128335
Centaurea melitensis
A. Cheung, D. Kasang, S. Lawrence-Gomez, M. Zou, S. Raray
2011-7-1
10
Los Angeles
Deer Valley Trail
23
Comment
SBBG31374
Centaurea melitensis
R. F. Thorne with P. C. Everett
1965-5-10
34435
Los Angeles
Cape Cyn
274
Comment
SBBG48531
Centaurea melitensis
M. R. Benedict
1971-6-25
Los Angeles
Pk 1942, directly S of White Rock, near Triangulation Pt "Alta"
Comment
SBBG54246
Centaurea melitensis
F. C. Boutin
1967-4-23
1633
Los Angeles
Wilson Cove
Comment
SBBG65834
Centaurea melitensis
R. Hoffmann
1929-4-26
Los Angeles
ca. 5 mi W of Castaic
Comment
SBBG95251
Centaurea melitensis
M. B. Dunkle
1928-4-11
1845
Los Angeles
Emerald Bay
Comment
SD30657
Centaurea melitensis
Edith A. Purer
1931-5-8
2054
Los Angeles
Griffith Park
Comment
SD69619
Centaurea melitensis
Robert F. Thorne, P. Everett
1965-5-10
34435
Los Angeles
Santa Catalina Island, weedy margins of small stream
274
Comment
SEINET13203128
Centaurea melitensis
R. G. Swinney
2010-1
12485
Los Angeles
San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20)
488
Comment
SEINET3146185
Centaurea melitensis
G. B. Grant
153
Los Angeles
Pasadena
Comment
SEINET3146187
Centaurea melitensis
G. B. Grant
153
Los Angeles
Pasadena
Comment
SEINET3371865
Centaurea melitensis
G. Rink
2011-6-1
10565
Los Angeles
Next to Highway 57, north of La Brea, weedy place
213
Comment
SEINET4044544
Centaurea melitensis
D. F. Sax
1997-1
sn
Los Angeles
Santa Monica Mountains.
121
Comment
SFV12371
Centaurea melitensis
D. L. Koutnik
1978-6-3
513
Los Angeles
Santa Monica Mountains Mulholland Highway across from Calabasas High School and east of Old Topanga Canyon.
305
Comment
SFV16020
Centaurea melitensis
A. M. Orcino, A. Sutton
1994-5-21
36
Los Angeles
San Fernando Valley Van Nuys. Sepulveda Wildlife Reserve, Sepulveda Basin.
215
Comment
UC1211071
Centaurea melitensis
Huron H. Smith
1912-5-30
5039
Los Angeles
near Avalon; Santa Catalina Isl.
Comment
UC1584741
Centaurea melitensis
Tim Ross and Annette Ross
1991-6-3
5517
Los Angeles
Elephant Hill, w Pomona Pomona, Elephant Hill
Comment
UC1922637
Centaurea melitensis
Valerie Soza, Laura A. Moore
2000-5-10
828
Los Angeles
Transverse Ranges: Verdugo Mountains; Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines
595
Comment
UC206215
Centaurea melitensis
Katharine Brandegee
Los Angeles
Santa Catalina Island
Comment
UC30922
Centaurea melitensis
J. H. Barber
1897-5-19
155
Los Angeles
Santa Monica Exp't. Station Santa Monica
Comment
UC472357
Centaurea melitensis
C. F. Millspaugh
1920-2-13
4713
Los Angeles
waste grounds at the far e side of Golf Links; Avalon
Comment Read comments Apr 29 2008
UC53912
Centaurea melitensis
Ernest Braunton
1902-6-24
494
Los Angeles
Griffith Park
Comment
UC557739
Centaurea melitensis
Nell Murbarger
1936-6-1
241
Los Angeles
San Clemente Island
Comment
UC894385
Centaurea melitensis
Ezra C. Knopf
128
Los Angeles
Santa Catalina Island
Comment
UC894386
Centaurea melitensis
L. W. Nuttall
1920-1-1
74
Los Angeles
Santa Catalina Island
Comment
UCD130055
Centaurea melitensis
Daryl Koutnik
1978-6-3
513
Los Angeles
Mulholland Highway, east of Old Topanga Canyon and across from Calabasas High School.
304
Comment
UCD150977
Centaurea melitensis
D. S. Park
2010-4-29
63
Los Angeles
Wildwood Canyon, trailside. Growing on hillside 30 degree gradient.
447
Comment
UCR125942
Centaurea melitensis
A. C. Sanders, Mark Elvin
2002-6-19
25190
Los Angeles
NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn.
335
Comment
UCR126868
Centaurea melitensis
A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others
2003-4-28
26139
Los Angeles
Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam
518
Comment
UCR131426
Centaurea melitensis
Alison Lipman
1998-5-26
s.n.
Los Angeles
South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St.
30
Comment
UCR150928
Centaurea melitensis
Valerie Soza, LeRoy Gross
1999-5-10
453
Los Angeles
San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue
378
Comment
UCR157905
Centaurea melitensis
Robert J. Steers
2005-5-8
10
Los Angeles
South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr
183
Comment
UCR174531
Centaurea melitensis
Jennifer H. Jones
2006-6-4
373
Los Angeles
Transverse Ranges; Foothills of San Gabriel Mtns., SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel.
476
Comment
UCR200166
Centaurea melitensis
Valerie Soza, Laura A. Moore
2000-5-10
828
Los Angeles
Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines
595
Comment
UCR210453
Centaurea melitensis
R. G. Swinney
2008-11-30
9877
Los Angeles
San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge
177
Comment
UCR220196
Centaurea melitensis
R. G. Swinney
2009-4-7
10299
Los Angeles
Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel
169
Comment
UCR222819
Centaurea melitensis
R. G. Swinney
2009-5-8
10697
Los Angeles
Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park
305
Comment
UCR223705
Centaurea melitensis
R. G. Swinney
2009-6-12
11117
Los Angeles
Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River
652
Comment
UCR23288
Centaurea melitensis
Kate Kramer
1981-5-31
53
Los Angeles
Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy
275
Comment
UCR241292
Centaurea melitensis
Ron Melin
2012-5-19
P 4
Los Angeles
South Coast, Madrona Marsh, Torrance
24
Comment
UCR255850
Centaurea melitensis
R. G. Swinney
2010-5-4
12485
Los Angeles
San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy.
488
Comment
UCR256473
Centaurea melitensis
R. G. Swinney
2010-6-8
13194
Los Angeles
San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail
573
Comment
UCR258808
Centaurea melitensis
R. G. Swinney
2010-5-25
12979
Los Angeles
San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak
671
Comment
UCR259141
Centaurea melitensis
R. G. Swinney
2010-6-23
13366
Los Angeles
San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace
335
Comment
UCR259364
Centaurea melitensis
R. G. Swinney
2010-4-20
12290
Los Angeles
San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave.
433
Comment
UCR259921
Centaurea melitensis
R. G. Swinney
2010-4-28
12439
Los Angeles
San Gabriel Mountains, 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
512
Comment
UCR260346
Centaurea melitensis
R. G. Swinney
2010-5-4
12565
Los Angeles
San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary
482
Comment
UCR260389
Centaurea melitensis
R. G. Swinney
2010-6-21
13299
Los Angeles
San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring
902
Comment
UCR271908
Centaurea melitensis
R. G. Swinney
2010-5-7
12585
Los Angeles
San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd.
463
Comment
UCR273108
Centaurea melitensis
R. G. Swinney
2011-4-26
14522
Los Angeles
San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir
439
Comment
UCR280663
Centaurea melitensis
R. G. Swinney
2014-5-21
16612
Los Angeles
San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail
549
Comment
UCR281287
Centaurea melitensis
R. G. Swinney
2014-5-8
16471
Los Angeles
San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence
537
Comment
UCR281346
Centaurea melitensis
R. G. Swinney
2014-5-27
16680
Los Angeles
San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway
791
Comment
UCR281598
Centaurea melitensis
R. G. Swinney
2014-6-5
16712
Los Angeles
San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway
561
Comment
UCR281652
Centaurea melitensis
R. G. Swinney
2014-5-27
16655
Los Angeles
San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin
445
Comment
UCR282029
Centaurea melitensis
R. G. Swinney
2014-5-19
16577
Los Angeles
San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway
515
Comment
UCR282135
Centaurea melitensis
R. G. Swinney
2014-5-15
16533
Los Angeles
San Gabriel Mountains, 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
630
Comment
UCR38924
Centaurea melitensis
B. A. Prigge
1985-6-14
6394
Los Angeles
Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site
659
Comment
UCR95473
Centaurea melitensis
L. C. Wheeler
1967-4-23
9191
Los Angeles
San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon
610
Comment
UCSB10334
Centaurea melitensis
McElwain, Isabelle
1953-4-14
Los Angeles
18000 Bull Canyon Rd., Granada Hills
457
Comment
UCSB6417
Centaurea melitensis
Gill, Robert
1959-6-2
Los Angeles
San Antonio Canyon; San Gabriel Mt. Range; Pacific Slope Drainage Area
792
Comment
CAS-BOT-BC272061
Centaurea melitensis
Tim Ross
1992-6-15
6556
Los Angeles
Upper end of Turnbull Canyon, Whittier Hills (local name for the western extremity of teh Puente Hills)
294
Comment
CAS-BOT-BC272064
Centaurea melitensis
T. Mosquin
1959-5-30
3303
Los Angeles
Hills west of Avalon, Catalina Island
Comment
CAS-BOT-BC272065
Centaurea melitensis
C. W. Tilforth
1969-5-31
197
Los Angeles
1/2 mile east of intersection of Colima Ave. and Punta del Este St. norht of Whittier
Comment
CAS-BOT-BC272067
Centaurea melitensis
F. Grinnell Jr.
1917-6-30
s.n.
Los Angeles
Altadena
457
Comment
CAS-BOT-BC272069
Centaurea melitensis
Alice Eastwood
1917-7-20
6480
Los Angeles
Santa Catalina Island
Comment
CAS-BOT-BC272070
Centaurea melitensis
Alice Eastwood
1917-7-20
6479
Los Angeles
Santa Catalina Island
Comment
CDA19856
Centaurea melitensis
anon.
2002-5-7
PDR 1253287
Los Angeles
Southern California; Hwy 101 onramp eastbound to Calabasas Pkwy.
0
Comment
CDA20159
Centaurea melitensis
M. O'Brien
2003-5-18
MOB 20 -03
Los Angeles
South Coast; Malibu Lagoon State Beach.
0
Comment
CDA21189
Centaurea melitensis
M. O'Brien
2007-5-27
MOB 2 -2007
Los Angeles
South Coast; Malibu Bluffs State Recreation Area.
0
Comment
HSC5242
Centaurea melitensis
C. S. Apperson
1967-6-11
Los Angeles
4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd.
Comment
IRVC26477
Centaurea melitensis
A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al.
2003-4-28
26139
Los Angeles
Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns.
488
Comment
JEPS44128
Centaurea melitensis
Elizabeth Day Palmer
1908-7-28
Los Angeles
Comment
JEPS44129
Centaurea melitensis
Elizabeth Day Palmer
1908-7-25
Los Angeles
Comment
JEPS44137
Centaurea melitensis
Frank W. Peirson
1919-5-18
435
Los Angeles
hills e of Monrovia Canyon; San Gabriel Mts.
457
Comment
LA200178
Centaurea melitensis
Barry A. Prigge;
1985-6-14
6394
Los Angeles
SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site.
658
Comment
LA200179
Centaurea melitensis
Jonathan Sauer; R. Thaman
1970-6-6
4818
Los Angeles
Santa Monica Mountains, Temescal Canyon, upper canyon
365
Comment
LA31698
Centaurea melitensis
Henry J. Thompson;
1959-5-24
1991
Los Angeles
Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy
91
Comment
LA31699
Centaurea melitensis
Peter H. Raven; Henry J. Thompson
1959-5-5
14112
Los Angeles
Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd
274
Comment
LA31700
Centaurea melitensis
Peter H. Raven; Henry J. Thompson
1959-6-4
14323
Los Angeles
Santa Monica Mountains, Point Dume
45
Comment
LA34840
Centaurea melitensis
Mary V. Hood;
1937-1
37 30 -
Los Angeles
Santa Monica Mountains, Westwood, UCLA campus
121
Comment
LA88559
Centaurea melitensis
O. H. Kappler;
1944-7-4
692
Los Angeles
Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope
365
Comment
LA91518
Centaurea melitensis
Bruce Douglas Clayton; Greg Clayton
1972-5-13
118
Los Angeles
Santa Monica Mountains, Mountain Park Research Campus, on firebreak E of canyon overlook
594
Comment
LA94401
Centaurea melitensis
Carl Epling;
1926-5-8
Los Angeles
Santa Monica Mountains, Topango Canyon
Comment
LA94403
Centaurea melitensis
Norman A. Cole;
May 1964
334 A
Los Angeles
579
Comment
LA94405
Centaurea melitensis
Norman A. Cole;
May 1964
334 B
Los Angeles
SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico.
335
Comment
LA94406
Centaurea melitensis
Norman A. Cole;
May 1964
334 C
Los Angeles
Santa Monica Mountains, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico
152
Comment
OBI35694
Centaurea melitensis
Rebecca Cicoria
1982-5-8
72
Los Angeles
Palos Verdes Peninsula: W end of Burma trl, Rancho Palos Verdes
Comment
PASA81
Centaurea melitensis
Sally Ellis
1940-4-16
Los Angeles
Claremont
Comment
POM12331
Centaurea melitensis
F. L. Robinson
1921-6-2
90
Los Angeles
Between Claremont and Upland
Comment
POM199567
Centaurea melitensis
Fordyce Grinnell Jr.
1903-6-27
s.n.
Los Angeles
Arroyo Seco, Pasadena.
Comment
POM304736
Centaurea melitensis
Henry J. Ramsey, Henry J. Ramsey
1937-5-16
144
Los Angeles
Altadena, N. Craig Ave.
Comment
POM351498
Centaurea melitensis
George R. Johnston
1934-5-20
18973
Los Angeles
Descanso Canon, Santa Catalina Island.
Comment
POM351499
Centaurea melitensis
E. S. Spalding
1923-6-25
s.n.
Los Angeles
Eagle Rock.
Comment
POM351501
Centaurea melitensis
Edith A. Purer, Freda Detmers
1931-4-28
s.n.
Los Angeles
Palos Verdes Hills.
Comment
POM351503
Centaurea melitensis
Robert Gustafson
1980-7-9
1800
Los Angeles
Ballona Wetlands, Area 3.
Comment
POM351505
Centaurea melitensis
Anstruther Davidson
1892-09
s.n.
Los Angeles
E. Los Angeles.
Comment
POM351506
Centaurea melitensis
M. Bisbee
1917-5-25
A. 761
Los Angeles
Fields, Eagle Rock
Comment
POM351507
Centaurea melitensis
D. A. Young
1969-5-25
P 475
Los Angeles
150 yds off Diamond Bar Blvd. 3.5 mi. S of the Diamond Pt. School.
274
Comment
POM351509
Centaurea melitensis
Ambrose Schindler
1940-5-15
s.n.
Los Angeles
Stone Canyon
Comment
RSA0030950
Centaurea melitensis
Bill Dewal
s.n.
Los Angeles
Montrose. Vacant lot.
60
Comment
RSA0035460
Centaurea melitensis
Roxanne Smith
1991-4-30
2
Los Angeles
Hills southeast of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Road and Steep Cyn. Road.
Comment
RSA0035461
Centaurea melitensis
Roxanne Smith
1991-5-14
32
Los Angeles
Hills 0.4 mi. southeast of Golden Springs and Diamond Bar Blvd.
Comment
RSA0069718
Centaurea melitensis
Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay
2011-7-1
10
Los Angeles
Santa Catalina Island. Deer Valley Trail.
22
Comment
RSA151321
Centaurea melitensis
Peter H. Raven
1962-7-11
17988
Los Angeles
Canyon N of station Nanny, N of Lemon Tank, San Clemente Island
Comment
RSA320813
Centaurea melitensis
F. C. Boutin
1967-4-23
1633
Los Angeles
San Clemente Island: Wilson Cove
Comment
RSA482511
Centaurea melitensis
Richard Noyes, L. Arnseth
1988-4-30
495
Los Angeles
Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam.
500
Comment
RSA527699
Centaurea melitensis
Timothy S. Ross, Annette Ross
1991-6-3
5517
Los Angeles
Elephant Hill: West Pomona
230
Comment
RSA534047
Centaurea melitensis
Timothy S. Ross, Orlando Mistretta
1991-5-19
5271
Los Angeles
San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove. 1800 ft SE of Malo Knoll
426
Comment
RSA550406
Centaurea melitensis
Timothy S. Ross, Peter Fritsch
1990-6-20
3594
Los Angeles
San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes).
445
Comment
RSA573457
Centaurea melitensis
Timothy S. Ross
1992-6-15
6556
Los Angeles
Whittier Hills (local name for the W extremity of the Puente Hills): upper end of Turnbull Canyon.
294
Comment
RSA591665
Centaurea melitensis
Louis C. Wheeler
1966-9-21
8891
Los Angeles
San Gabriel Canyon, east fork at Burro Canyon.
457
Comment
RSA592202
Centaurea melitensis
L. C. Wheeler
1967-4-23
9191
Los Angeles
San Gabriel Mountains. Sunset Ridge.
Comment
RSA592235
Centaurea melitensis
L. C. Wheeler
1967-4-30
9243
Los Angeles
San Gabriel Mountains. Limekiln Canyon.
549
Comment
RSA608938
Centaurea melitensis
L. C. Wheeler
1931-6-8
s.n.
Los Angeles
Base of San Gabriel Mountains at Claremont: Thompson Creek Dam.
Comment
RSA649817
Centaurea melitensis
Matt Brooks
1988-5-7
43
Los Angeles
Whittier, Dark Canyon 1.6 miles east of its confluence with Sycamore Canyon.
Comment
RSA652574
Centaurea melitensis
R. Nilsen
1955-5-28
s.n.
Los Angeles
1/2 mile W. Cal. Poly, San Dimas.
251
Comment
RSA654325
Centaurea melitensis
Benjamen Rangel
1992-5-10
777 -46
Los Angeles
In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage.
Comment
RSA654594
Centaurea melitensis
Scott Lowe
1991-5-20
41
Los Angeles
San Gabriel River Channel, about 150 m. north of San Gabriel River Parkway bridge, city of Pico Rivera.
Comment
RSA658900
Centaurea melitensis
J. S. Burns
1992-5-5
6
Los Angeles
1 mile north on Van Tassel fireroad from south access; Angeles National Forest.
457
Comment
RSA659540
Centaurea melitensis
Monica Acosta
1998-5-19
11
Los Angeles
The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona)
226
Comment
RSA659751
Centaurea melitensis
Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell
1992-4-3
71
Los Angeles
San Clemente Island.
Comment
RSA659857
Centaurea melitensis
Chris White
1991-5-12
4
Los Angeles
Royal Palms.
Comment
RSA659994
Centaurea melitensis
Mary C. Hunter
1994-5-28
0035
Los Angeles
Off Angeles Crest Hwy, West of highway heading North; Road marked 2647; Pasadena
457
Comment
RSA660898
Centaurea melitensis
Ann Williams
1992-5-14
19 -92
Los Angeles
End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track.
152
Comment
RSA719134
Centaurea melitensis
Naomi Fraga
2001-5-11
37
Los Angeles
California State Polytechnic University, Pomona. Voorhis Ecological Reserve.
Comment
RSA765310
Centaurea melitensis
Doris Bowers
1957-6-22
928
Los Angeles
Arroyo Seca, Pasadena.
457
Comment
SBBG128560
Centaurea melitensis
M. L. Hoefs, D. R. Hoefs
1995-6-29
2340
Los Angeles
Empire Landing Rd near quarry
124
Comment
SBBG54444
Centaurea melitensis
J. Hoskins
1964-5-14
12
Los Angeles
The "Wash", Pomona College, Claremont
335
Comment
SBBG65831
Centaurea melitensis
M. M. Rice, M. N. Ackley
-Apr-1928
306
Los Angeles
Hollywood Hills
274
Comment
SD262183
Centaurea melitensis
R. G. Swinney
2014-5-27
16655
Los Angeles
San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin.
445
Comment
SD31216
Centaurea melitensis
Edith A. Purer
1931-4-28
1765
Los Angeles
Palos Verdes Hills
Comment
SD90174
Centaurea melitensis
Benjamin C. Stone
1952-5-21
80
Los Angeles
Ao mile south of Claremont
334
Comment
SDSU6450
Centaurea melitensis
Gerald Collier
1951-5-2
M 584
Los Angeles
Barrington Avenue 3 miles north of Sunset Blvd. L.A 49.
Comment
SDSU6456
Centaurea melitensis
R. M. Beauchamp
1967-6-2
562
Los Angeles
Area half way between Eel Point and The San Dunes on east side of dirt road, San Clemente Island.
30
Comment
SEINET9294580
Centaurea melitensis
Unknown
2002-5-7
1253287
Los Angeles
Los Angeles
Comment
SFV16922
Centaurea melitensis
G. Beall
1997-5-9
20
Los Angeles
Santa Monica Mountains Mulholland Highway, 1 mile east of Malibu Canyon Road.
Comment
UC1215224
Centaurea melitensis
Peter H. Raven
1962-7-11
17988
Los Angeles
canyon n of and n of Lemon Tank Station Nanny; San Clemente Island
Comment
UC1595239
Centaurea melitensis
Tim Ross and Peter Fritsch
1990-6-20
3594
Los Angeles
mouth of near the confluence of the E and W Forks of the San Gabriel River Burro; San Gabriel Mountains, San Gabriel River, Burro Canyon
445
Comment
UC30926
Centaurea melitensis
Harley P. Chandler
1897-5-31
Los Angeles
Claremont
365
Comment
UC472215
Centaurea melitensis
J. Grinnell
1903-6-27
Los Angeles
Arroyo Seco Pasadena, Arroyo Seco
Comment
UC934032
Centaurea melitensis
H. L. Cogswell
1951-5-18
102
Los Angeles
0.6 mi n of San Dimas Park; San Gabriel Mountains
457
Comment
UCD130035
Centaurea melitensis
Richard Bates
1949-4-23
s.n.
Los Angeles
Santa Monica Mountains.
Comment
UCD130050
Centaurea melitensis
Mark Hoefs; Doug Propst
1973-5-4
240
Los Angeles
Santa Catalina Island, Indian Head Point.
60
Comment
UCSB22833
Centaurea melitensis
Palmer, Elizabeth
1908-5-25
Los Angeles
Los Angeles
Comment
UCSB45794
Centaurea melitensis
Green, Lisa
1980-5-30
Los Angeles
1/4 mi. N. of the Simi Valley Freeway near Iverson Rd.
426
Comment