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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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UCD119856
Amsinckia tessellata
Ernest C. Twisselmann
1963-5-10
8169
Kern
Boron Hills: California City road 0.5 mile north of Highway U.S. 466.
731
Comment
CAS-BOT-BC187410
Astragalus lentiginosus var. variabilis
Ernest C. Twisselmann
1963-5-10
8148
Kern
Mojave Desert, the Mojave-Randsburg Region. Rosamond Hills, 5 miles north of Rosamond
792
Comment
CAS-BOT-BC187415
Astragalus lentiginosus var. variabilis
Ernest C. Twisselmann
1963-5-10
8148
Kern
Mojave Desert, the Mojave-Randsburg Region. Rosamond Hills, 5 miles north of Rosamond
792
Comment
UCD105024
Astragalus lentiginosus var. variabilis
Ernest C. Twisselmann
1963-5-10
8148
Kern
The Mojave-Randsburg Region. The Mojave Desert. Rosamond Hills, 5 miles north of Rosamond.
792
Comment
CAS-BOT-BC156241
Bromus catharticus
Ernest C. Twisselmann
1963-5-10
8146
Kern
Mojave Desert. Mojave-Randsburg Region. Farmlands 2 miles south of Cantil.
640
Comment
CAS-BOT-BC156248
Bromus catharticus
Ernest C. Twisselmann
1963-5-10
8146
Kern
Mojave Desert. Mojave Randsburg Region. Farmlands 2 miles south of Cantil.
640
Comment
RSA162537
Bromus catharticus
E. C. Twisselmann
1963-5-10
8146
Kern
Farmlands 2 miles south of Cantil;
640
Comment
SBBG19716
Bromus catharticus
E. C. Twisselmann
1963-5-10
8146
Kern
2 mi S of Cantil
640
Comment
UCD58364
Bromus catharticus
Ernest C. Twisselmann
1963-5-10
8146
Kern
The Mojave-Randsburg Region. The Mojave Desert. Farmlands 2 miles south of Cantil.
640
Comment
UCD58411
Bromus catharticus
Ernest C. Twisselmann
1963-5-10
8146
Kern
The Mojave-Randsburg Region. The Mojave Desert. Farmlands 2 miles south of Cantil.
640
Comment
CAS-BOT-BC276881
Chaenactis fremontii
Ernest C. Twisselmann
1963-5-10
8141
Kern
Mojave - Randsburg Region. SW end of Rand Mountains
670
Comment
CAS-BOT-BC276882
Chaenactis fremontii
Ernest C. Twisselmann
1963-5-10
8141
Kern
Mojave - Randsburg Region. SW end of Rand Mountains
670
Comment
JEPS32602
Chaenactis fremontii
Ernest C. Twisselmann
1963-5-10
8141
Kern
SW end of Rand Mountains; Mojave Desert, Mojave-Randsburg Region, Boron Hills
731
Comment
JEPS32625
Chaenactis xantiana
Ernest C. Twisselmann
1963-5-10
8168
Kern
0.5 mi n of U.S. Highway 466 (California City Road, Boron Hills); Mojave Desert, Mojave-Randsburg Region, Boron Hills
731
Comment
CAS-BOT-BC279701
Chaenactis xantiana
Ernest C. Twisselmann
1963-5-10
8150
Kern
Mojave Desert, Mojave-Randsburg Region. Rosamond Hills, 5 miles north of Rosamond
792
Comment
CAS-BOT-BC279702
Chaenactis xantiana
Ernest C. Twisselmann
1963-5-10
8168
Kern
Mojave Desert, Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466
731
Comment
CAS-BOT-BC279705
Chaenactis xantiana
Ernest C. Twisselmann
1963-5-10
8168
Kern
Mojave Desert, Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466
731
Comment
CAS-BOT-BC191691
Chorizanthe brevicornu var. brevicornu
Ernest C. Twisselmann
1963-5-10
8142
Kern
SW end of Rand Mountains. Mojave Desert
670
Comment
CAS-BOT-BC191692
Chorizanthe brevicornu var. brevicornu
Ernest C. Twisselmann
1963-5-10
8142
Kern
SW end of Rand Mountains. Mojave Desert
670
Comment
UCD126132
Convolvulus arvensis
Ernest C. Twisselmann
1963-5-10
8155
Kern
Rosamond, Rosamond Boulevard 0.25 mile east of Highway US 6. the Mojave-Randsburg Region.
708
Comment
UCD114803
Descurainia sophia
Ernest C. Twisselmann
1963-5-10
8157
Kern
city of Rosamond, Rosamond Boulevard 0.25 mile east of Highway US 6.
708
Comment
CAS-BOT-BC43463
Descurainia sophia
Ernest C. Twisselmann
1963-5-10
8157
Kern
Mojave Desert. Mojave-Randsburg Region. Rosamond. Rosamond Boulevard 0.25 mile east of Highway U.S. 6.
708
Comment
CAS-BOT-BC43473
Descurainia sophia
Ernest C. Twisselmann
1963-5-10
8157
Kern
Mojave Desert. Mojave-Randsburg Region. Rosamond. Rosamond Boulevard 0.25 mile east of Highway U.S. 6.
708
Comment
SEINET10481312
Descurainia sophia
Ernest C. Twisselmann
1963-5-10
Twisselmann 8157
Kern
Rosamond: rosamond boulevard 0.25 mi e of hwy u.s. 6. Moist low place in a gutter. Occasional street weed/ common farm weed of the rosamond region. Creosote bush assoc.
709
Comment
CAS-BOT-BC131118
Encelia actoni
Ernest C. Twisselmann
1963-5-10
8170
Kern
Willow Springs Road 3.8 miles west of Mojave
899
Comment
CAS-BOT-BC131145
Encelia actoni
Ernest C. Twisselmann
1963-5-10
8170
Kern
Willow Springs Road 3.8 miles west of Mojave
899
Comment
JEPS32604
Encelia actoni
Ernest C. Twisselmann
1963-5-10
8170
Kern
Willow Springs Road 3.8 mi w Mojave; Mojave Desert, Mojave-Randsburg Region
899
Comment
CAS-BOT-BC514407
Eriastrum densifolium subsp. mohavense
Ernest C. Twisselmann
1963-5-10
8149
Kern
Mojave Desert: the Mojave-Randsburn Region. Rosamund Hills, 5 mi N of Rosamund
792
Comment
CAS-BOT-BC135998
Ericameria cooperi var. cooperi
Ernest C. Twisselmann
1963-5-10
8172
Kern
Willow Springs Road 3.8 miles west of Mojave, Mojave Desert - Mojave-Randsburg Region
899
Comment
JEPS32603
Ericameria cooperi var. cooperi
Ernest C. Twisselmann
1963-5-10
8172
Kern
Willow Springs Mojave Desert, Randsburg Region, Willow Springs
899
Comment
CAS-BOT-BC257608
Eriogonum inflatum
Ernest C. Twisselmann
1963-5-10
8161
San Bernardino
Saddleback Mountain, northwestern San Bernardino County
868
Comment
CAS-BOT-BC257623
Eriogonum inflatum
Ernest C. Twisselmann
1963-5-10
8161
San Bernardino
Saddleback Mountain, northwestern San Bernardino County
868
Comment
CAS-BOT-BC268762
Eriogonum mohavense
Ernest C. Twisselmann
1963-5-10
8165
Kern
Mojave Desert, Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466
731
Comment
CAS-BOT-BC268763
Eriogonum mohavense
Ernest C. Twisselmann
1963-5-10
8165
Kern
Mojave Desert, Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466
731
Comment
CAS-BOT-BC83060
Eschscholzia minutiflora
Ernest C. Twisselmann
1963-5-10
8140
Kern
Mojave Desert. Mojave-Randsburg Region. Southwest end of Rand Mountains.
670
Comment
CAS-BOT-BC83061
Eschscholzia minutiflora
Ernest C. Twisselmann
1963-5-10
8140
Kern
Mojave Desert. Mojave-Randsburg Region. Southwest end of Rand Mountains.
670
Comment
CAS-BOT-BC384165
Forestiera pubescens subsp. parvifolia
Ernest C. Twisselmann
1963-5-10
8154
Kern
Mojave Desert, Mojave-Randsburg Region. Rosamond region: Avenue A 0.6 mile east of Highway U.S. 6
734
Comment
CAS-BOT-BC384166
Forestiera pubescens subsp. parvifolia
Ernest C. Twisselmann
1963-5-10
8154
Kern
Mojave Desert, Mojave-Randsburg Region. Rosamond region: Avenue A 0.6 mile east of Highway U.S. 6
734
Comment
RSA180609
Gilia latiflora subsp. davyi
E. C. Twisselmann
1963-5-10
8164
Kern
Boron Hills; California City road 0.5 mile north of Hwy 466
732
Comment
CAS-BOT-BC226279
Gilia latiflora subsp. davyi
Ernest C. Twisselmann
1963-5-10
8164
Kern
Mojave Desert, the Mojave-Randsburg Region. Boron Hills: California City road 0.5 mile north of Highway U.S. 466
731
Comment
CAS-BOT-BC110305
Grayia spinosa
Ernest C. Twisselmann
1963-5-10
8160
San Bernardino
Mojave Desert. Saddleback Mountain, northwestern San Bernardino county.
868
Comment
CAS-BOT-BC110306
Grayia spinosa
Ernest C. Twisselmann
1963-5-10
8160
San Bernardino
Saddleback Mountain, NW part of county.
868
Comment
CAS-BOT-BC89464
Lepidium fremontii
Ernest C. Twisselmann
1963-5-10
8159
San Bernardino
Mojave Desert. Saddleback Mountain, northwestern San Bernardino county.
868
Comment
CAS-BOT-BC89465
Lepidium fremontii
Ernest C. Twisselmann
1963-5-10
8159
San Bernardino
Mojave Desert. Saddleback Mountain, northwestern San Bernardino county.
868
Comment
GH379671
Lepidium fremontii
E. C. Twisselmann
1963-5-10
8159
Unknown
Saddleback Mountain, northwestern San Bernardino County
868
Comment
SBBG19646
Lepidium fremontii
E. C. Twisselmann
1963-5-10
8159
San Bernardino
Saddleback Mtn
868
Comment
CAS-BOT-BC89419
Lepidium fremontii
Ernest C. Twisselmann
1963-5-10
8152
Los Angeles
Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6.
731
Comment
CAS-BOT-BC89420
Lepidium fremontii
Ernest C. Twisselmann
1963-5-10
8152
Los Angeles
Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6.
731
Comment
CAS-BOT-BC283765
Leymus cinereus
Ernest C. Twisselmann
1963-5-10
8158
Kern
Mojave-Randsburg Region. N end of Rosamond Lake
640
Comment
CAS-BOT-BC283766
Leymus cinereus
Ernest C. Twisselmann
1963-5-10
8158
Kern
Mojave-Randsburg Region. N end of Rosamond Lake
640
Comment
UCD64249
Leymus cinereus
Ernest C. Twisselmann
1963-5-10
8158
Kern
Mojave-Randsburg Region, Mojave Desert, N end of Rosamond Lake.
640
Comment
UCD107981
Medicago sativa
Ernest C. Twisselmann
1963-5-10
8147
Kern
2 miles south of Cantil, eastern part of county.
640
Comment
SBBG113982
Medicago sativa
E. C. Twisselmann
1963-5-10
8147
Kern
farmland 2 mi S of Cantil
640
Comment
CAS-BOT-BC346382
Psorothamnus arborescens
Ernest C. Twisselmann
1963-5-10
8144
Kern
SW end of Rand Mts
655
Comment
CAS-BOT-BC354265
Psorothamnus arborescens var. minutifolius
Ernest C. Twisselmann
1963-5-10
8144
Kern
Mojave-Randburg Region, SW end of Rand Mts.
655
Comment
CAS-BOT-BC239891
Schismus arabicus
Ernest C. Twisselmann
1963-5-10
8171
Kern
Mojave Desert, the Mojave-Randsburg Region. Willow Springs Road 3.8 miles west of Mojave
899
Comment
CAS-BOT-BC239896
Schismus arabicus
Ernest C. Twisselmann
1963-5-10
8171
Kern
Mojave Desert, the Mojave-Randsburg Region. Willow Springs Road 3.8 miles west of Mojave
899
Comment
SBBG20856
Sisymbrium altissimum
E. C. Twisselmann
1963-5-10
8156
Kern
Rosamond Blvd, 0.25 mi E of US Hwy 6
708
Comment
UCD115542
Sisymbrium altissimum
Ernest C. Twisselmann
1963-5-10
8156
Kern
Rosamond, Rosamond Boulevard 0.25 mile east of Highway US 6.
708
Comment
CAS-BOT-BC75065
Sisymbrium altissimum
Ernest C. Twisselmann
1963-5-10
8156
Kern
Mojave Desert. Mojave-Randsburg Region. Rosamond: Rosamond Boulevard 0.25 mile east of Highway US 6.
708
Comment
CAS-BOT-BC75066
Sisymbrium altissimum
Ernest C. Twisselmann
1963-5-10
8156
Kern
Mojave Desert. Mojave-Randsburg Region. Rosamond: Rosamond Boulevard 0.25 mile east of Highway US 6.
708
Comment
SBBG19644
Sphaeralcea ambigua
E. C. Twisselmann
1963-5-10
8162
San Bernardino
US Hwy 466, 1.5 mi E of the Kern County Line
731
Comment
SBBG19717
Stillingia paucidentata
E. C. Twisselmann
1963-5-10
8163
Kern
US Hwy 466, 2.1 mi W of Boron
731
Comment
SBBG19720
Streptanthella longirostris
E. C. Twisselmann
1963-5-10
8145
Kern
sand dunes S of Koehn Lake
Comment
CAS-BOT-BC61061
Streptanthella longirostris
Ernest C. Twisselmann
1963-5-10
8145
Kern
Mojave Desert. Mojave-Randsburg Region. Sand dunes south of Keohn Lake.
662
Comment
CAS-BOT-BC61062
Streptanthella longirostris
Ernest C. Twisselmann
1963-5-10
8145
Kern
Mojave Desert. Mojave-Randsburg Region. Sand dunes south of Keohn Lake.
662
Comment
CAS-BOT-BC223941
Tamarix parviflora
Ernest C. Twisselmann
1963-5-10
8153
Los Angeles
Rosamond region: Avenue A 0.6 mile east of Highway U. S. 6
734
Comment
CAS-BOT-BC223944
Tamarix parviflora
Ernest C. Twisselmann
1963-5-10
8153
Los Angeles
Rosamond region: Avenue A 0.6 mile east of Highway U. S. 6
734
Comment