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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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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
UCSB47350
Agoseris heterophylla
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner)
Comment
GH424584
Amsinckia douglasiana
R. F. Hoover
1936-4-11
946
Unknown
Blackwell's Corner
Comment
UC762804
Amsinckia tessellata var. tessellata
R. F. Hoover
1936-4-11
946
Kern
Blackwell's Corner
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
CAS-BOT-BC182290
Astragalus didymocarpus var. didymocarpus
Ira L. Wiggins
1950-4-9
12323
Kern
Plains 7 miles west of Lost Hills
Comment
RSA60464
Astragalus didymocarpus var. didymocarpus
I. L. Wiggins
1950-4-9
12323
Kern
Plains 7 miles west of Lost Hills.
Comment
RSA109600
Astragalus lentiginosus var. nigricalycis
H. D. Ripley, R. C. Barneby
1954-5-3
11294
Kern
Blackwell Corners.
274
Comment
UC1537103
Astragalus lentiginosus var. nigricalycis
Gordon H. True Jr.
1936-4-15
429
Kern
just s Blackwell's Corners (w side San Joaquin Valley); , s of Blackwell's Corners
274
Comment
UCSB47446
Astragalus oxyphysus
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R19E S23)
259
Comment
UCSB47367
Atriplex confertifolia
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R20E S31)
259
Comment
JEPS90689
Atriplex coronata var. coronata
William B. Davilla
1989-5-4
Kern
4 mi e of Blackwells Corner (San Joaquin Valley, Antelope Plain); San Joaquin Valley, Antelope Plain
Comment
CAS-BOT-BC176515
Atriplex polycarpa
Ernest C. Twisselmann
1951-1-1
13566
Kern
Antelope Plains
Comment
UC217290
Atriplex polycarpa
H. M. Hall
1921-10-14
11774
Kern
10 mi w Lost Hills (nw Kern Co.); w of Lost Hills
Comment
UCSB47449
Bassia hyssopifolia
Steele, Kelly
1983-5-13
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R20E S31)
259
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
RSA186804
Camissonia campestris subsp. campestris
Peter H. Raven
1962-3-25
16982
Kern
Open sandy field, along State Highway 33, 1.2 miles SE of Blackwells Corner
198
Comment
RSA0039080
Capsella bursa-pastoris
Nick Jensen, Ed Kentner
2013-3-6
185
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
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
UCSB47377
Croton setiger
Steele, Kelly
1983-6-20
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33 (Blackwell''s Corner); (T27S R19E S35)
259
Comment
UCSB47399
Daucus pusillus
Steele, Kelly
1983-5-13
Kern
Western Joaquin Valley, 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner); (T27S R19E S35)
259
Comment
JEPS38283
Deinandra pallida
W. L. Jepson
1935-4-16
17019
Kern
valley floor 2 mi s Blackwell's Corner
Comment
UCSB47325
Deinandra pallida
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33; (Blackwell's Corner); (T27S R19E S24)
259
Comment
JEPS4994
Eastwoodia elegans
W. L. Jepson
1927-5-31
12169
Kern
w from Lost Hills and Blackwells Corners; Extreme Northwestern Kern County, Antelope Valley
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
UCSB47402
Eriogonum gracillimum
Steele, Kelly
1983-5-13
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner) (TRS) (T27S R19E S25)
259
Comment
UCSB47435
Eriogonum gracillimum
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner) (T27S R20E S30)
259
Comment
CAS-BOT-BC76441
Eschscholzia lemmonii
John Thomas Howell
1931-3-20
5901
Kern
3 miles south of Blackwell's Canyon.
Comment
POM203319
Gilia minor
J. T. Howell
1931-3-20
5893
Kern
3 miles S of Blackwell's Corner.
Comment
RSA150745
Gilia minor
P. H. Raven
1962-3-25
16984
Kern
Along state hwy 33, 1.2 miles southeast of Blackwells Corner
198
Comment
RSA150783
Gilia minor
D. E. Breedlove
1962-3-25
2019
Kern
Western edge of San Joaquin Valley, 1.2 miles south of Blackwell's Corner on State 33
122
Comment
RSA156022
Gilia minor
P. H. Raven
1962-3-25
16986
Kern
Open sandy field, along State Highway 33, 1.2 miles SE of Blackwells Corner
198
Comment
RSA659108
Hemizonia pallida
David J. Keil, V. L. Holland, Lynne Dee Oyler
1995-4-30
25048
Kern
Lost Hills. Hwy 46 at Interstate Rte. 5. Feild adjacent to Carl's Jr. Restaurant.
Comment
RSA0039081
Herniaria hirsuta
Nick Jensen, Ed Kentner
2013-3-6
186
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
UCSB47782
Hordeum brachyantherum subsp. californicum
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner), (T27S R20E S30)
259
Comment
UCSB47347
Koeleria gerardi
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner) (T27S R19E S23)
259
Comment
UCSB47324
Lactuca serriola
Steele, Kelly
1983-6-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R19E S25)
259
Comment
RSA0048090
Lasthenia gracilis
Nick J. Jensen, Ed Kentner
2013-3-5
181
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
UC1614060
Layia pentachaeta subsp. albida
Charles M. Belshaw
1935-3-27
472
Kern
e Keck's Corner (near Blackwells Corner)
Comment
UCSB47376
Lepidium dictyotum
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33 (Blackwell's Corner); (T27E R19E S36)
259
Comment
CAS-BOT-BC89933
Lepidium nitidum
John Thomas Howell
1931-3-20
5897
Kern
3 miles south of Blackwell's Corner.
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
UC565552
Malacothrix coulteri
H. L. Mason
1932-4-3
6909
Kern
near Blackwells Corners
Comment
JEPS36803
Malacothrix glabrata
W. L. Jepson
1935-4-16
17020
Kern
Blackwells Corner
Comment
SJSU1857
Malva parviflora
C. W. Sharsmith
1957-4-13
6363 B
Kern
3 mi SE of Blackwell's Corners
Comment
SJSU1858
Malva parviflora
C. W. Sharsmith
1957-4-13
6363 A
Kern
3 mi SE of Blackwell's Corners
Comment
RSA0048089
Marrubium vulgare
Nick J. Jensen, Ed Kentner
2013-3-4
180
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
UC1051446
Mentzelia eremophila
Herbert L. Mason
1952-4-6
14205
Kern
South of Belridge
Comment Read comments Apr 16 2019
UCSB47323
Microseris campestris
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R20E S20)
259
Comment
UCSB47334
Microseris campestris
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33, (Blackwell's Corner); (T27S R19E S26)
259
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-BC349461
Monolopia lanceolata
Ethel Crum
1938-4-17
1966
Kern
Antelope Valley, one mile northwest of Keck's Corner
274
Comment
CAS-BOT-BC349462
Monolopia lanceolata
Ethel Crum
1938-4-17
1966
Kern
Antelope Valley, one mile northwest of Keck's Corner
274
Comment
CAS-BOT-BC349463
Monolopia lanceolata
Ethel Crum
1938-4-17
1965 b
Kern
Antelope Plain, four miles east of Blackwell's Corner
152
Comment
CAS-BOT-BC349464
Monolopia lanceolata
John Thomas Howell
1931-3-20
5898
Kern
3 miles s. of Blackwell's Corner
Comment
CAS-BOT-BC349471
Monolopia lanceolata
Ira L. Wiggins
1950-4-9
12324
Kern
Plains 7 miles west of Lost Hills
Comment
POM257006
Monolopia lanceolata
E. K. Crum
1938-4-17
1966
Kern
Antelope Valley, 1 mile NW of Keck's Corner.
274
Comment
RSA0039083
Monolopia lanceolata
Nick Jensen, Ed Kentner
2013-3-11
190
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
RSA60471
Monolopia lanceolata
I. L. Wiggins
1950-4-9
12324
Kern
Plains 7 miles west of Lost Hills.
Comment
SBBG54508
Monolopia lanceolata
S. Carlquist
1952-3-29
289
Kern
ca. 2.6 mi E of Blackwells Corner on Cholame-Lost Hills Rd
Comment
UC1080183
Monolopia lanceolata
Sherwin Carlquist
1952-3-29
289
Kern
2.6 mi e Blackwells Corner (on Cholame-Lost Hills road)
Comment
UC1484445
Monolopia lanceolata
Dale E. Johnson with J. E. Eckenwalder
1974-4-20
85
Kern
4.2 km (2.6 mi) e Hwy 33 (Avenal-McKittrick road) (on Hwy 46 (Blackwells Corner-Lost Hills road))
Comment
UC629751
Monolopia lanceolata
Ethel Crum
1938-4-17
1965 b
Kern
4 mi e Blackwells Corner; Antelope Plain
152
Comment
CAS-BOT-BC349665
Monolopia stricta
Ira L. Wiggins
1950-4-9
12322
Kern
Plains 7 miles west of Lost Hills
Comment
CAS-BOT-BC349672
Monolopia stricta
Sherwin Carlquist
1952-3-29
288
Kern
2.6 mi. east of Blackwell's Corners on Cholame-Lost Hills road
Comment
CAS-BOT-BC349673
Monolopia stricta
John Thomas Howell
1931-3-20
5899
Kern
3 miles s. of Blackwell's Corner
Comment
RSA60469
Monolopia stricta
I. L. Wiggins
1950-4-9
12322
Kern
Plains 7 miles west of Lost Hills.
Comment
SBBG54509
Monolopia stricta
S. Carlquist
1952-3-29
288
Kern
ca. 2.6 mi E of Blackwells Corner on Cholame-Lost Hills Rd
Comment
UC1080177
Monolopia stricta
Sherwin Carlquist
1952-3-29
288
Kern
on Cholame-Lost Hills road 2.6 mi e Blackwell's Corners
Comment
UC1484451
Monolopia stricta
Dale E. Johnson with J. E. Eckenwalder
1974-4-20
86
Kern
on CA 46 (Blackwells Corner-Lost Hills rd.) 4.2 km (2.6 mi) e CA 33 (Avenal-McKittrick rd)
Comment
UC618930
Monolopia stricta
R. F. Hoover
1936-4-11
947
Kern
Blackwell's Corner
Comment
UC629744
Monolopia stricta
Ethel Crum
1938-4-17
1965 a
Kern
four mi e Blackwell's Corner; Antelope Plain
152
Comment
UCSB47379
Muilla maritima
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner) (T R S ) (T27S R20E S32)
259
Comment
RSA0042817
Papaver hybridum
Nick Jensen, Ed Kentner
2013-3-5
182
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
200
Comment
RSA0048091
Peritoma arborea
Nick J. Jensen, Ed Kentner
2013-3-7
189
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
UCSB47423
Phalaris minor
Steele, Kelly
1983-4-20
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33 (Blackwell's Corner) (T27S R20E S30)
259
Comment
RSA0042818
Salsola
Nick Jensen, Ed Kentner
2013-3-5
183
Kern
San Joaquin Valley, Between the Temblor Range and the Antelope Hills, Twisselman Ranch, south of Highway 46 and west of Highway 33
200
Comment
SJSU1859
Salsola tragus
C. W. Sharsmith
1957-4-13
6362
Kern
3 mi SE of Blackwell's Corners
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
UCD92920
Schismus arabicus
R. B. Parker
1950-5-1
s.n.
Kern
Blackwells Corner. 10 miles west of Lost Hills.
Comment
UCR187175
Solanum elaeagnifolium
A. C. Sanders
2007-9-22
34335
Kern
San Joaquin Valley, 4.5 miles east of Blackwell's Corner on Hwy 46, Antelope Plain near Lost Hills
152
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
SEINET182566
Sphaeralcea parryi
Ethel Crum
1935-4-14
1730
Kern
Five miles south of Blackwell's Corner.
152
Comment
RSA0039082
Stellaria media
Nick Jensen, Ed Kentner
2013-3-6
187
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
UCSB47407
Trichostema lanceolatum
Steele, Kelly
1983-6-20
Kern
Western San Joaquin Valley; 5 miles due south of the junction of CA Hwy 46 and CA Hwy 33 (Blackwell's Corner) (T27S R19E S35)
259
Comment
UCSB47444
Trifolium willdenovii
Steele, Kelly
1983-3-22
Kern
Western San Joaquin Valley, 5 miles due south of the junction of CA Hwy. 46 and CA Hwy. 33 (Blackwell's Corner); (T27S R19E S25)
259
Comment
CAS-BOT-BC184261
Vulpia microstachys var. pauciflora
Ernest C. Twisselmann
1965-3-17
10431
Kern
Two miles north of Blackwells Corner
182
Comment
CAS-BOT-BC184292
Vulpia microstachys var. pauciflora
Ernest C. Twisselmann
1965-3-17
10431
Kern
Two miles north of Blackwells Corner
182
Comment
RSA179963
Vulpia microstachys var. pauciflora
E. C. Twisselmann
1965-3-17
10431
Kern
2 miles north of Blackwells Corner.
183
Comment
UCD94623
Vulpia microstachys var. pauciflora
Ernest C. Twisselmann
1965-3-17
10431
Kern
two miles north of Blackwells Corner.
182
Comment
UCD94625
Vulpia microstachys var. pauciflora
Ernest C. Twisselmann
1965-3-17
10431
Kern
two miles north of Blackwells Corner.
182
Comment