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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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UCD18344
Abronia pogonantha
J. E. Street
1950-5-11
40
Kern
3 miles west of Hwy 33, due west of Shafter, Middlewater Pump Station.
Comment
CAS-BOT-BC260372
Achnatherum hymenoides
Ernest C. Twisselmann
1953-7-27
725
Kern
Temblor Range and the Western San Joaquin Valley. Belridge, 0.5 mile W of the North Belridge store
Comment
CAS-BOT-BC260395
Achnatherum hymenoides
Ernest C. Twisselmann
1954-5-20
1259
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field, 0.25 miles W of North Belridge Store
152
Comment
CAS-BOT-BC260396
Achnatherum hymenoides
Ernest C. Twisselmann
1954-5-20
1259
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field, 0.25 miles W of North Belridge Store
152
Comment
UCD50351
Achnatherum hymenoides
J. E. Street
1950-5-17
s.n.
Kern
Kern Co., 3 mi. W. of Hwy. 33.
Comment
RSA0037345
Acmispon wrangelianus
Nick Jensen, Ed Kentner
2013-2-20
141
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
255
Comment
RSA0048101
Acmispon wrangelianus
Nick J. Jensen, Ed Kentner
2013-2-25
165
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
275
Comment
CAS-BOT-BC29267
Acroptilon repens
E. C. Twisselmann
1954-6-27
1407
Kern
Belridge, roadside, 0.25 mile S of Belridge Store
152
Comment
RSA0042136
Ambrosia acanthicarpa
Nick Jensen, Ed Kentner
2013-2-22
153
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
220
Comment
RSA0048115
Amsinckia menziesii
Nick J. Jensen, Ed Kentner
2013-2-18
131
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
260
Comment
RSA0037346
Amsinckia tessellata var. tessellata
Nick Jensen, Ed Kentner
2013-2-20
142
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
275
Comment
RSA0039079
Astragalus didymocarpus
Nick Jensen, Ed Kentner
2013-3-6
184
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
235
Comment
RSA0042810
Astragalus didymocarpus
Nick Jensen, Ed Kentner
2013-2-26
168
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
230
Comment
RSA0048113
Astragalus lentiginosus
Nick J. Jensen, Ed Kentner
2013-2-20
143
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
255
Comment
UCR130742
Atriplex
A. C. Sanders, K. D. Jones, D. Malueg, T. Rado
1999-5-17
22736
Kern
San Joaquin Valley, alluvial slopes above North Belridge Oil Field, just below McDonald Anticline Oil Field (Layman Area)
293
Comment
RSA0048102
Atriplex fruticulosa
Nick J. Jensen, Ed Kentner
2013-2-25
166
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
275
Comment
RSA0035156
Atriplex polycarpa
Nick Jensen, Edward K. Kentner
2013-2-21
148
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
210
Comment
CAS-BOT-BC146011
Avena fatua
Ernest C. Twisselmann
1954-4-2
966
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field.
167
Comment
CAS-BOT-BC146012
Avena fatua
Ernest C. Twisselmann
1954-4-2
966
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field.
167
Comment
UCSB47778
Avena fatua
Steele, Kelly
1993-3-13
Santa Barbara
Belridge Field Cogeneration Project; 4.2 mi W of CA Hwy 33 on entrance F road, towards Middlewater Pumping Station
228
Comment
RSA0042811
Bassia hyssopifolia
Nick Jensen, Ed Kentner
2013-2-26
169
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
220
Comment
RSA0048100
Bromus diandrus
Nick J. Jensen, Ed Kentner
2013-2-27
173
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA0048088
Bromus hordeaceus
Nick J. Jensen, Ed Kentner
2013-3-4
179
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
240
Comment
UCD59641
Bromus rubens
J. E. Street
1950-5-10
s.n.
Kern
W. Kern Co.: Middlewater Pump Sta.
Comment
RSA0035160
Calandrinia ciliata
Florence Caplow
2013-2-18
231
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
260
Comment
RSA0037360
Camissonia campestris
Nick Jensen, Ed Kentner
2013-2-18
133
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA212026
Camissonia campestris subsp. campestris
E. C. Twisselmann
1969-4-5
15066
Kern
Antelope Plains just W of Middlewater Pump Station on stabilized wind-deposited dunes.
213
Comment
RSA0042812
Caulanthus lasiophyllus
Nick Jensen, Ed Kentner
2013-2-26
170
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
215
Comment
RSA0042813
Chenopodium album
Nick Jensen, Ed Kentner
2013-2-26
171
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
220
Comment
RSA478457
Chenopodium botrys
B. C. Templeton
1959-8-4
8267
Los Angeles
Vacant lot, Glendale
Comment
CAS-BOT-BC287688
Coreopsis bigelovii
Ernest C. Twisselmann
1952-4-28
554
Kern
Temblor Range and the Western San Joaquin Valley. Middlewater Wash: 11 miles SW of Lost Hills
Comment
CAS-BOT-BC287007
Coreopsis calliopsidea
Ernest C. Twisselmann
1952-3-14
553
Kern
Temblor Range and the Western San Joaquin Valley. The old homestead road in the North Belridge Hills
182
Comment
RSA0042139
Crassula connata
Nick Jensen, Ed Kentner
2013-2-22
154
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
240
Comment
CAS-BOT-BC291931
Deinandra pallida
R. F. Hoover
1937-4-11
1856
Kern
Carneras [Carneros] Station, s. of Lost Hills
Comment
CAS-BOT-BC291947
Deinandra pallida
R. F. Hoover
1937-4-11
1856
Kern
Carneras [Carneros] Station, South of Lost Hills
Comment
RSA0035158
Deinandra pallida
Nick Jensen, Edward K. Kentner
2013-3-12
191
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
265
Comment
RSA0048099
Deinandra pallida
Nick J. Jensen, Ed Kentner
2013-2-27
174
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
UC762359
Deinandra pallida
R. F. Hoover
1937-4-11
1856
Kern
s Lost Hills; Carneras Station
Comment
UCD18343
Deinandra pallida
J. E. Street
1950-5-11
37
Kern
3 miles west of Hwy 33, due west of Shafter, Middlewater Pump Station.
Comment
RSA0035161
Dichelostemma capitatum
Florence Caplow
2013-2-26
233
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
235
Comment
JEPS4066
Eastwoodia elegans
R. F. Hoover
1937-4-11
1853
Kern
s Lost Hills; Corneras Station
Comment
CAS-BOT-BC203273
Eremalche parryi
Ethel Crum
1935-4-14
1730
Kern
Five miles south of Blackwell's Corner
152
Comment
GH420378
Eremalche parryi
E. K. Crum
1935-4-14
1730
Unknown
Five miles south of Blackwell's Corner
152
Comment
UC545856
Eremalche parryi
Ethel Crum
1935-4-14
1730
Kern
5 mi. s. Blackwell's Corner
152
Comment
UCD116226
Eremalche parryi
Ethel Crum
1935-4-14
1730
Kern
Five miles south of Blackwell's Corner.
152
Comment
RSA0037347
Eriogonum gracillimum
Nick Jensen, Ed Kentner
2013-2-20
144
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
250
Comment
RSA0037341
Erodium botrys
Nick Jensen, Ed Kentner
2013-2-19
136
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
270
Comment
RSA0042135
Erodium cicutarium
Nick Jensen, Ed Kentner
2013-2-21
149
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
210
Comment
RSA0037358
Erodium moschatum
Nick Jensen, Ed Kentner
2013-2-19
137
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
270
Comment
RSA0039152
Gilia tricolor
Nick Jensen, Ed Kentner
2013-2-22
156
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
230
Comment
RSA0035154
Gutierrezia californica
Nick Jensen, Edward K. Kentner
2013-2-21
150
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
205
Comment
RSA0039156
Hordeum depressum
Nick Jensen, Ed Kentner
2013-2-24
163
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
250
Comment
RSA0037342
Hordeum murinum subsp. leporinum
Nick Jensen, Ed Kentner
2013-2-19
138
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA0035152
Isocoma acradenia var. bracteosa
Nick Jensen, Edward K. Kentner
2013-2-22
157
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
235
Comment
RSA0039096
Koeleria gerardi
Nick Jensen, Ed Kentner
2013-3-22
221
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
215
Comment
UC767554
Krascheninnikovia lanata
R. F. Hoover
1937-4-11
1855
Kern
s. Lost Hills (Carneras Station); Carneras Station
Comment
UC767555
Krascheninnikovia lanata
R. F. Hoover
1937-4-11
1854
Kern
s. Lost Hills (Carneras Station); Carneras Station
Comment
UCD99096
Krascheninnikovia lanata
J. E. Street
1950-5-11
38
Kern
Middlewater Sta.
Comment
RSA0042809
Lepidium dictyotum
Nick Jensen, Ed Kentner
2013-2-24
164
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
250
Comment
RSA0037348
Lepidium nitidum
Nick Jensen, Ed Kentner
2013-2-20
145
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
255
Comment
RSA0048117
Logfia filaginoides
Ed Kentner, Nick J. Jensen, Jordan Zylstra
2013-3-23
179
Kern
Southern San Joaquin Valley south of Elk Hills. About 2 airmiles south of Valley Acres along dirt road access road 0.3 miles east of Airport Road.
195
Comment
UC764063
Lupinus microcarpus var. horizontalis
R. F. Hoover
1937-4-11
1851
Kern
s Lost Hills (Carneras Station); s of Lost Hills
Comment
RSA0035162
Lupinus nanus
Florence Caplow
2013-2-18
232
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
280
Comment
RSA0037343
Lupinus nanus
Nick Jensen, Ed Kentner
2013-2-19
139
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
270
Comment
UCD18342
Lupinus nanus
J. E. Street
1950-5-11
42
Kern
3 miles west of Hwy 33, due west of Shafter, Middlewater Pump Station.
Comment
CAS-BOT-BC204008
Malacothamnus fremontii
Ernest C. Twisselmann
1954-5-7
1199
Kern
Temblor Range and the Western San Joaquin Valley. Carneros Wash: 1/2 mile west of Middlewater Pump Station
213
Comment
CAS-BOT-BC204016
Malacothamnus fremontii
Ernest C. Twisselmann
1954-5-7
1199
Kern
Temblor Range and the Western San Joaquin Valley. Carneros Wash: 1/2 mile west of Middlewater Pump Station
213
Comment
RSA0042816
Malacothrix coulteri
Nick Jensen, Ed Kentner
2013-3-3
178
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA0048112
Malacothrix glabrata
Nick J. Jensen, Ed Kentner
2013-2-18
134
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
SBBG26164
Malacothrix glabrata
E. C. Twisselmann
1966-3-28
11758
Kern
Belridge Plains, ca. 1.5 mi W of Middlewater Pump Station
243
Comment
UC596098
Malacothrix glabrata
R. F. Hoover
1937-4-11
1857
Kern
s of Lost Hills (Carneras Station)
Comment
UC768660
Malacothrix glabrata
R. F. Hoover
1937-4-11
1857
Kern
s of Lost Hills (Carneras Station)
Comment
RSA0035153
Malva parviflora
Nick Jensen, Edward K. Kentner
2013-2-21
151
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
210
Comment
RSA0035155
Medicago polymorpha
Nick Jensen, Edward K. Kentner
2013-2-21
152
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
210
Comment
UC1051446
Mentzelia eremophila
Herbert L. Mason
1952-4-6
14205
Kern
South of Belridge
Comment Read comments Apr 16 2019
RSA0031593
Microseris douglasii
Neil Kramer
2013-2-28
s.n.
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
270
Comment
RSA0039416
Microseris elegans
Eve Laeger
2013-3-6
s.n.
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
235
Comment
CAS-BOT-BC327816
Monolopia congdonii
Ernest C. Twisselmann
1952-2-25
582
Kern
Middlewater Plain, near the Middlewater Pump Station. (Sand dunes 1/4 mi NW of the station on the Williams Lease road.) Temblor Range & the Western San Joaquin Valley.
Comment
RSA0048116
Pectocarya anisocarpa
Nick J. Jensen, Ed Kentner
2013-2-13
130
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
260
Comment
UC762052
Phacelia distans
R. F. Hoover
1937-4-11
1852
Kern
s Lost Hills; Carneras Station
Comment
RSA0039157
Phacelia douglasii
Nick Jensen, Ed Kentner
2013-2-22
158
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
240
Comment
RSA0037349
Plagiobothrys canescens
Nick Jensen, Ed Kentner
2013-2-20
146
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
255
Comment
RSA0031595
Plagiobothrys canescens var. canescens
Eve Laeger
2013-2-26
s.n.
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
215
Comment
RSA0037350
Plantago ovata var. fastigiata
Nick Jensen, Ed Kentner
2013-2-20
147
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
255
Comment
RSA0039153
Salvia carduacea
Nick Jensen, Ed Kentner
2013-2-22
159
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
240
Comment
CAS-BOT-BC239923
Schismus arabicus
Ernest C. Twisselmann
1952-5-17
82
Kern
Temblor Range and the Western San Joaquin Valley. Wilson field, Antelope Plains, 6 miles southeast of Blackwells Corner
Comment
UCD92924
Schismus arabicus
J. E. Street
1950-5-10
s.n.
Kern
Middlewater Pump Sta.
Comment
UCD92925
Schismus arabicus
J. E. Street
1950-5-10
s.n.
Kern
Middlewater Pump Sta.
Comment
RSA0037359
Schismus barbatus
Nick Jensen, Ed Kentner
2013-2-18
135
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA0048087
Senecio vulgaris
Nick J. Jensen, Ed Kentner
2013-2-27
175
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
265
Comment
RSA0039154
Sisymbrium irio
Nick Jensen, Ed Kentner
2013-2-22
160
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
225
Comment
CAS-BOT-BC235314
Sorghum halepense
Ernest C. Twisselmann
1952-7-2
100
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field
152
Comment
CAS-BOT-BC235315
Sorghum halepense
Ernest C. Twisselmann
1954-6-5
1329
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field
182
Comment
CAS-BOT-BC235316
Sorghum halepense
Ernest C. Twisselmann
1954-6-5
1329
Kern
Temblor Range and the Western San Joaquin Valley. North Belridge Oil Field
182
Comment
SEINET182566
Sphaeralcea parryi
Ethel Crum
1935-4-14
1730
Kern
Five miles south of Blackwell's Corner.
152
Comment
RSA0039155
Stephanomeria pauciflora
Nick Jensen, Ed Kentner
2013-2-22
161
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
240
Comment
RSA0035151
Tropidocarpum gracile
Nick Jensen, Edward K. Kentner
2013-2-22
162
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
240
Comment
RSA0037344
Tropidocarpum gracile
Nick Jensen, Ed Kentner
2013-2-19
140
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
270
Comment
RSA0035163
Vulpia microstachys
Florence Caplow
2013-2-22
234
Kern
San Joaquin Valley, between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
230
Comment
RSA0042137
Vulpia myuros
Nick Jensen, Ed Kentner
2013-2-22
155
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33.
220
Comment