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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC374746
Sonchus oleraceus
Henry M. Pollard
1970-5-26
s.n.
Ventura
On Casitas Pass Road about 1 mile north of Ventura River bridge, Foster Park
Comment
CAS-BOT-BC374752
Sonchus oleraceus
Steven A. Junak
1986-4-22
MA- 101
Ventura
California Islands. Middle Anacapa Island: N edge of terrace, W of Sea Arch Peninsula
60
Comment
CAS-BOT-BC374753
Sonchus oleraceus
E. R. Blakley
1961-5-18
4386
Ventura
California Channel Islands. Large canyon north side of the highest peak on the west island. Anacapa Island
91
Comment
RSA0058909
Sonchus oleraceus
LeRoy Gross, Joy England, Naomi S. Fraga
2015-5-6
7372
Ventura
USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore.
99
Comment
RSA0058910
Sonchus oleraceus
LeRoy Gross, Joy England, Naomi S. Fraga
2015-5-6
7371
Ventura
USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore.
99
Comment
RSA0064014
Sonchus oleraceus
LeRoy Gross, Joy England
2015-4-29
7213
Ventura
Bunn-Birrell Property; Survey the river bed at junction of S. Mountain Road and Converse Road. Southwest area of Santa Paula.
57
Comment
RSA0065248
Sonchus oleraceus
LeRoy Gross, Joy England
2015-3-26
6874
Ventura
Villeneuva property; Along the River and lower part of South Mountain, east of river. Started at the end of Mission Rock Road. Between Saticoy and Santa Paula.
56
Comment
RSA0065948
Sonchus oleraceus
LeRoy Gross, Duncan S. Bell, Nick J. Jensen
2015-3-17
6731
Ventura
Ormond Beach at end of McWane Blvd., west of Arcturus Ave. South of Port Hueneme, Oxnard.
3
Comment
RSA0069453
Sonchus oleraceus
LeRoy Gross, Pam DeVries, Otto Gasser
2015-4-16
7140
Ventura
Aflalo Property. Entered at east end of property, from the south side of the river bed, at end of San Cayetano Street. Fillmore.
106
Comment
RSA183319
Sonchus oleraceus
P. H. Raven, Henry J. Thompson
1966-4-24
20705
Ventura
San Nicolas Island, sandy slopes just above ocean, Seal Beach, northwest end of island
Comment
RSA474096
Sonchus oleraceus
Gary D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given
1979-4-3
1591
Ventura
San Nicolas Island, level ground near Naval Airfield hangers
159
Comment
RSA474124
Sonchus oleraceus
M. B. Dunkle
1940-8-20
7649
Ventura
Anacapa Island. Seepage cliff. Spring cave.
Comment
RSA474126
Sonchus oleraceus
M. B. Dunkle
1939-7-22
8306
Ventura
Coral Harbor, San Nicolas Island
Comment
RSA474127
Sonchus oleraceus
Gary D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given
1979-4-3
1640
Ventura
San Nicolas Island, near water tank seepage area northwest end of mesa
Comment
RSA474128
Sonchus oleraceus
M. B. Dunkle
1939-7-23
8330
Ventura
Big Creek Canyon, San Nicolas Island
Comment
RSA474129
Sonchus oleraceus
H. M. Pollard
1970-4-7
s.n.
Ventura
Flood-plain of Ventura River north of and near Baldwin Road (RT. 150) crossing
Comment
RSA474132
Sonchus oleraceus
H. M. Pollard
1970-5-26
s.n.
Ventura
Shaded gully on Casitas Pass Road, about 1 mile north of Ventura River bridge, Foster Park
Comment
SBBG102143
Sonchus oleraceus
M. Daily
1979-7-28
139
Ventura
NW part of the island; ca. the water tank on the way to Red Eye
152
Comment
SBBG102144
Sonchus oleraceus
M. Daily
1978-4-29
48
Ventura
Daytona Beach
Comment
SBBG102145
Sonchus oleraceus
M. Daily
1979-7-28
149
Ventura
Celery Cyn
Comment
SBBG124387
Sonchus oleraceus
R. Burgess, P. Munro
1999-11-26
3671
Ventura
221 Juneau Place, El Rio area; Oxnard
25
Comment
SBBG124696
Sonchus oleraceus
R. Burgess, P. Munro
2001-3-23
4418
Ventura
San Buenaventura St Beach, sandy flat S of Lifeguard Tower; Ventura
3
Comment
SBBG12897
Sonchus oleraceus
E. R. Blakley
1961-4-22
4099
Ventura
mesa S of housing area
121
Comment
SBBG129247
Sonchus oleraceus
K. Danielsen, B. Halverson
1987-4-9
Ventura
W end of Island
152
Comment
SBBG131200
Sonchus oleraceus
S. A. Junak, E. Philbrick, R. Philbrick
1980-5-7
WA 138
Ventura
upper W fork of Summit Cyn
167
Comment
SBBG13360
Sonchus oleraceus
E. R. Blakley
1962-3-31
4907
Ventura
flat area near the top and center of island
91
Comment
SBBG13514
Sonchus oleraceus
E. R. Blakley
1961-5-18
4386
Ventura
large cyn on N side of highest peak
91
Comment
SBBG14914
Sonchus oleraceus
H. M. Pollard
1962-10-19
Ventura
Southern Pacific Railroad, near oilfields, Ortonville
Comment
SBBG20968
Sonchus oleraceus
H. M. Pollard
1964-4-25
Ventura
San Antonio Crk Rd, near Royal Oaks Dairy; Ojai
Comment
SBBG21516
Sonchus oleraceus
M. A. Piehl
1963-5-12
63295
Ventura
near Triangulation Pt Anacapa, E of "knife edge" near Fish Camp
83
Comment
SBBG23747
Sonchus oleraceus
E. R. Blakley
1964-9-5
6510
Ventura
just above tide line Frenchman's Cove [Frenchys Cove]
Comment
SBBG24686
Sonchus oleraceus
P. H. Raven, H. J. Thompson
1966-4-23
20705
Ventura
Seal Beach, NW end of island
Comment
SBBG32655
Sonchus oleraceus
R. N. Philbrick with D. W. Ricker
1967-3-18
B 67 -10
Ventura
lower trail, NE of Camel Pk
15
Comment
SBBG32660
Sonchus oleraceus
R. N. Philbrick
1965-3-27
65 459 a
Ventura
Sheep Ranch, Eucalytpus Grove
22
Comment
SBBG32970
Sonchus oleraceus
R. E. Foreman, E. C. Evans, S. C. Rainey
1965-7-28
95
Ventura
overlooking Tule Crk
129
Comment
SBBG33548
Sonchus oleraceus
R. N. Philbrick with M. R. Benedict
1969-6-10
B 69 -141
Ventura
Beach Rd, between runway and barracks; between Celery Crk and Sand Spit
137
Comment
SBBG37183
Sonchus oleraceus
H. M. Pollard
1970-5-26
Ventura
Casitas Pass Rd, ca. 1 mi N of Ventura River bridge, Foster Park
Comment
SBBG37340
Sonchus oleraceus
H. M. Pollard
1970-4-7
Ventura
Ventura River, N of and near Baldwin Rd (St Hwy 150) crossing
Comment
SBBG40731
Sonchus oleraceus
E. R. Blakley
1969-11-15
7020
Ventura
Frenchman's Cove [Frenchys Cove]
15
Comment
SBBG42258
Sonchus oleraceus
M. B. Dunkle
1939-7-22
8306
Ventura
Corral Harbor
Comment
SBBG42264
Sonchus oleraceus
M. B. Dunkle
1939-7-23
8330
Ventura
Big Crk Cyn [Grand Cyn]
Comment
SBBG43134
Sonchus oleraceus
M. R. Benedict
1970-4-22
Ventura
N of Coast Guard Compound, E part of east island
Comment
SBBG43141
Sonchus oleraceus
M. R. Benedict
1970-4-22
Ventura
NW of lighthouse, E part of island
Comment
SBBG48678
Sonchus oleraceus
R. N. Philbrick
1974-8-5
B 74 -146
Ventura
just N of water tank building, old Coast Guard building
Comment
SBBG52604
Sonchus oleraceus
R. Zembal
1977-5-21
Ventura
field W of Laguna Rd and N of Beach Rd; Pacific Missile Test Center
Comment
SBBG54754
Sonchus oleraceus
S. A. Junak with R. N. Philbrick
1982-4-23
MA 63
Ventura
Lavatera Cove, near E end of island
15
Comment
SBBG67928
Sonchus oleraceus
H. M. Pollard
1946-4-28
Ventura
Ventura River
Comment
SBBG67929
Sonchus oleraceus
H. M. Pollard
1944-10-20
Ventura
North Signal St; Ojai
Comment
SBBG79449
Sonchus oleraceus
R. Hoffmann
1929-3-16
Ventura
Anacapa Island
Comment
SBBG79451
Sonchus oleraceus
R. Bond
1939-4-16
368
Ventura
Anacapa Island
Comment
SBBG91660
Sonchus oleraceus
S. A. Junak
1986-4-22
MA 101
Ventura
N edge of terrace, W of Sea Arch Peninsula
60
Comment
SBBG9211
Sonchus oleraceus
E. R. Blakley
1959-4-24
2746
Ventura
between boat dock and the village
60
Comment
SBBG94720
Sonchus oleraceus
J. DiVittorio
1986-5-27
3
Ventura
overlooking strand E of Thousand Springs, N side of island
Comment
SD172019
Sonchus oleraceus
E. R. Blakley
1961-5-18
4386
Ventura
West Anacapa Island; large canyon north side of highest peak on island.
91
Comment
SD63389
Sonchus oleraceus
Peter H. Raven, Henry J. Thompson
23-24 Apr 1966
20705
Ventura
San Nicolas Island; northwest end of island, Seal Beach.
Comment
UC134386
Sonchus oleraceus
H. Hemphill
1901-1
Ventura
Anacapa Island
Comment
UC1357801
Sonchus oleraceus
Ronald E. Foreman and R. M. Lloyd
1965-12-17
129
Ventura
e living quarters (San Nicolas Island); San Nicolas Island
30
Comment
UC1357802
Sonchus oleraceus
Ronald E. Foreman, E. C. Evans III, S. C. Rainey
1965-7-28
95
Ventura
bluff overlooking Tule Creek (San Nicolas Island); San Nicolas Island
129
Comment
UC1443161
Sonchus oleraceus
H. A. Wier and R. M. Beauchamp
1978-7-4
Ventura
Silver Tank Spring , Silver Tank Spring (San Nicolas Island)
182
Comment
UC63155
Sonchus oleraceus
H. M. Hall
May 6 1902-May 8 1902
3148
Ventura
Casitas Pass
228
Comment
UCR202063
Sonchus oleraceus
Karin Cleary-Rose
1995-6-22
s.n.
Ventura
Simi Valley, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana
396
Comment
UCSB53227
Sonchus oleraceus
Magney, David; Burgess, Rick
1983-10-23
Ventura
12 miles N of Ojai, western Transverse Ranges T5N, R23W, S. 1, 2, & 3, Wheeler Springs Quadrangle; at eastern edge of ridge along Hwy. 33 (mile marker 27.43)
1097
Comment
UCSB53616
Sonchus oleraceus
Reisentz, Paul
1979-4-22
Ventura
Mirror Lake, 1/2 mile south of intersection of Hwy. 150 and Hwy 33, 3 miles SW of Ojai, 12 miles N of Ventura
190
Comment
CAS-BOT-BC374745
Sonchus oleraceus
Henry M. Pollard
1946-4-27
s.n.
Ventura
Ventura River Basin. Kennedy Canyon
Comment
CAS-BOT-BC374747
Sonchus oleraceus
Henry M. Pollard
1964-4-29
s.n.
Ventura
Ventura River Basin. North slope of Red Mountain near Foster Park
Comment
CAS-BOT-BC374748
Sonchus oleraceus
Peter H. Raven; Henry J. Thompson
1966-4-23
20705
Ventura
San Nicolas Island. Seal Beach, north-west end of island
Comment
CAS-BOT-BC374749
Sonchus oleraceus
John Thomas Howell
1932-3-13
8229
Ventura
San Nicolas Island
Comment
CAS-BOT-BC374750
Sonchus oleraceus
E. R. Blakley
1959-4-24
B- 2746
Ventura
Between the boat dock and the village. East Anacapa Island
60
Comment
CAS-BOT-BC374751
Sonchus oleraceus
Nora Pettibone; Frank W. Hubby
1895-3-11
s.n.
Ventura
Ojai Valley and Vicinity. Whale Rock
Comment
CATA2797
Sonchus oleraceus
Michael R. Benedict
1970-4-22
Ventura
East Anacapa Island: North of Coast Guard Compound, east part of island
0
Comment
LA200269
Sonchus oleraceus
Norman A. Cole;
May 1964
350
Ventura
Santa Monica Mountains, Point Mugu Beach
0
Comment
LA201350
Sonchus oleraceus
Arthur C. Gibson;
2001-4-20
4129
Ventura
Comment
RSA474125
Sonchus oleraceus
M. B. Dunkle
1939-8-2
8421
Ventura
Road Canyon, Cuyler Harbor, San Miguel Island
Comment Read comments Aug 28 2012
RSA474130
Sonchus oleraceus
Ora M. Clark
1928-12-23
1397
Ventura
South of Ventura
Comment
RSA474131
Sonchus oleraceus
Josephine Meyers
1932-09
s.n.
Ventura
Broomis [Broome] Ranch, Coast Highway.
Comment Read comments Apr 18 2016
RSA644401
Sonchus oleraceus
E. R. Blakley
1962-3-31
4907
Ventura
Anacapa Island: Flat area near top and center of Middle Island.
91
Comment
RSA644402
Sonchus oleraceus
E. R. Blakley
1961-5-18
4386
Ventura
Anacapa Island. Large canyon north side of highest peak on West Island.
91
Comment
RSA649384
Sonchus oleraceus
Dick Mosbarger
1948-2-22
s.n.
Ventura
In garden, Mosbarger Ranch, 1 m. W. Fillmore.
121
Comment
RSA651186
Sonchus oleraceus
Don Black
1948-4-20
s.n.
Ventura
Found in Montalvo, 100 yards SE of Ventrua [Ventura] Pacific Fruit Growers Association Packing House.
23
Comment
SEINET4016317
Sonchus oleraceus
M. B. Dunkle
1939-1
8306
Ventura
Coral Harbor, San Nicolas Island.
Comment