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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
SBBG99252
Abronia villosa
W. L. Halvorson
1977-3-8
77 -72
Riverside
near rdway of Interstate 10, 30 mi W of Blythe
Comment
SBBG99254
Abronia villosa
W. L. Halvorson
1977-3-11
77 -121
San Bernardino
E side of Dale Lake, N of Hwy 62, E of Twentynine Palms
Comment
SBBG100716
Achyronychia cooperi
W. L. Halvorson
1977-3-8
77 -87
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100717
Achyronychia cooperi
W. L. Halvorson
1977-3-11
77 -133
San Bernardino
N side of Dale Lake, E of Twenty-nine Palms
Comment
SBBG99774
Acmispon strigosus
W. L. Halvorson
1977-3-9
77 -95
San Bernardino
basin NE of Sheep Hole Mtns on dirt rd 2 mi NW of Hwy 62
Comment
SBBG99776
Acmispon strigosus
W. L. Halvorson
1977-3-11
77 -167
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG100647
Allenrolfea occidentalis
W. L. Halvorson
1977-3-23
77 -193
San Bernardino
shore of Dale Lake, 20 mi E of Twentynine Palms
Comment
SBBG100648
Allenrolfea occidentalis
W. L. Halvorson
1977-4-5
77 -241
San Bernardino
Dale Lake, E of Twentynine Palms
Comment
SBBG100372
Ambrosia dumosa
W. L. Halvorson
1977-3-11
77 -158
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG100463
Ambrosia salsola var. salsola
W. L. Halvorson
1977-3-11
77 -160
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG100464
Ambrosia salsola var. salsola
W. L. Halvorson
1977-3-8
77 -76
Riverside
ca. 1 mi S of the S entrance to Joshua Tree Nat Monument
Comment
SBBG100465
Ambrosia salsola var. salsola
W. L. Halvorson
1977-3-11
77 -140
San Bernardino
bajada N of Dale Lake, ca. 0.5 mi E of Amboy Rd, E of Twentynine Palms
487
Comment
SBBG100466
Ambrosia salsola var. salsola
W. L. Halvorson
1977-5-4
77 -244
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG97178
Ambrosia salsola var. salsola
W. L. Halvorson
1977-3-11
77 -160
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG97706
Ambrosia salsola var. salsola
W. L. Halvorson
1977-3-8
77 -76
Riverside
ca. 1 mi S of the S entrance to Joshua Tree Nat Monument
Comment
SBBG97195
Arctostaphylos glauca
W. L. Halvorson
1977-4-1
77 -220
Riverside
5 mi S of Temecula on County Rd S16
Comment
SD143522
Arctostaphylos pungens
W. L. Halvorson
1977-4-1
77 220
Riverside
5 miles south of Temecula on State Route S-16
Comment
SBBG99287
Atrichoseris platyphylla
W. L. Halvorson
1977-5-2
77 -17
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100650
Atriplex polycarpa
W. L. Halvorson
1977-3-11
77 -123
San Bernardino
N shore of Dale Lake, E of Twentynine Palms
Comment
SBBG97297
Avena barbata
W. L. Halvorson
1977-3-13
77 -180
Riverside
near Temecula
Comment
SBBG97298
Avena barbata
W. L. Halvorson
1977-4-1
77 -211
San Diego
Oceanside
Comment
SBBG97707
Baileya pauciradiata
W. L. Halvorson
1977-3-8
77 -69
Riverside
Interstate 10, ca. 30 mi W of Blythe
Comment
SBBG99371
Baileya pauciradiata
W. L. Halvorson
1977-3-11
77 -114
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG99372
Baileya pleniradiata
W. L. Halvorson
1977-4-5
77 -238
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG100728
Brandegea bigelovii
W. L. Halvorson
1977-3-11
77 -152
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG100729
Brandegea bigelovii
W. L. Halvorson
1977-2-5
77 -19
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG97192
Brandegea bigelovii
W. L. Halvorson
1977-3-11
77 -152
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG100430
Brassica geniculata
W. L. Halvorson
1977-4-1
77 -228
Riverside
Corona
Comment
SBBG100551
Bromus rubens
W. L. Halvorson
1977-3-13
77 -181
Riverside
near Temecula
Comment
SBBG100552
Bromus rubens
W. L. Halvorson
1977-4-1
77 -213
San Diego
Oceanside
Comment
SBBG97302
Bromus rubens
W. L. Halvorson
1977-3-13
77 -181
Riverside
near Temecula
Comment
SBBG97303
Bromus rubens
W. L. Halvorson
1977-4-1
77 -213
San Diego
Oceanside
Comment
SBBG100402
Cakile edentula
W. L. Halvorson
1977-3-25
77 -197
San Diego
Oceanside
Comment
RSA548744
Camissonia brevipes subsp. brevipes
W. L. Halvorson
1977-2-5
77 -7
Riverside
Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument.
Comment
SBBG97181
Chaenactis carphoclinia
W. L. Halvorson
1977-2-15
77 -26
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99383
Chaenactis carphoclinia
W. L. Halvorson
1977-2-5
77 -6
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99384
Chaenactis carphoclinia
W. L. Halvorson
1977-2-5
77 -21
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99385
Chaenactis carphoclinia
W. L. Halvorson
1977-2-15
77 -26
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99387
Chaenactis carphoclinia
W. L. Halvorson
1977-3-11
77 -144
San Bernardino
N of Dale Lake, ca. 0.5 mi E of Amboy Rd, E of Twentynine Palms
Comment
SBBG100585
Chamaesyce polycarpa
W. L. Halvorson
1977-2-5
77 -14
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100586
Chamaesyce polycarpa
W. L. Halvorson
1977-4-5
77 -249
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG97194
Chamaesyce polycarpa
W. L. Halvorson
1977-4-5
77 -249
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG100660
Chenopodium murale
W. L. Halvorson
1977-3-10
77 -102
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG99602
Chorizanthe brevicornu var. brevicornu
W. L. Halvorson
1977-3-8
77 -80
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100294
Chylismia brevipes
W. L. Halvorson
1977-2-5
77 -7
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100296
Chylismia brevipes
W. L. Halvorson
1977-3-11
77 -138
San Bernardino
bajada N of Dale Lake, 0.5 mi E of Amboy Rd, E of Twentynine Palms
487
Comment
SBBG100297
Chylismia brevipes
W. L. Halvorson
1977-3-11
77 -139
San Bernardino
bajada N of Dale Lake, 0.5 mi E of Amboy Rd, E of Twentynine Palms
487
Comment
SBBG100298
Chylismia claviformis
W. L. Halvorson
1977-2-15
77 -28
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100299
Chylismia claviformis
W. L. Halvorson
1977-3-8
77 -90
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100300
Chylismia claviformis
W. L. Halvorson
1977-3-11
77 -109
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG100301
Chylismia claviformis
W. L. Halvorson
1977-3-11
77 -110
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG100302
Chylismia claviformis
W. L. Halvorson
1977-3-11
77 -118
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG100303
Chylismia claviformis
W. L. Halvorson
1977-3-11
77 -171
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
Comment
SBBG119106
Chylismia claviformis
W. L. Halvorson
1977-3-8
77 -90
Riverside
Joshua Tree Nat Monument, ca. 1 mi S of the S park entrance
Comment
SBBG100804
Cryptantha angustifolia
W. L. Halvorson
1977-2-5
77 -4
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100806
Cryptantha angustifolia
W. L. Halvorson
1977-3-11
77 -148
San Bernardino
mtns N of Dale Lake, W of Amboy Rd, in Sheep Hole Pass, E of Twentynine Palms
670
Comment
SBBG100807
Cryptantha angustifolia
W. L. Halvorson
1977-3-11
77 -163
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG97219
Cryptantha angustifolia
W. L. Halvorson
1977-3-8
77 -83
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99726
Dalea mollis
W. L. Halvorson
1977-11-3
77 -117
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG99727
Dalea mollissima
W. L. Halvorson
1977-11-3
77 -149
San Bernardino
W of Amboy Rd in Sheep Hole Pass, E of Twentynine Palms
670
Comment
SBBG97191
Descurainia pinnata
W. L. Halvorson
1977-3-10
77 -107
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG97162
Diplacus puniceus
W. L. Halvorson
1977-4-1
77 -218
Riverside
5 mi S of Temecula on County Rd S16
Comment
SBBG99704
Diplacus puniceus
W. L. Halvorson
1977-4-1
77 -218
Riverside
5 mi S of Temecula on County Rd S16
Comment
SBBG99399
Encelia farinosa
W. L. Halvorson
1977-3-8
77 -77
Riverside
ca. 1 mi S of entrance to Joshua Tree Nat Monument
Comment
SBBG99400
Encelia farinosa
W. L. Halvorson
1977-3-11
77 -147
San Bernardino
mtns N of Dale Lake, W of Amboy Rd, in Sheep Hole Pass, E of Twentynine Palms
670
Comment
RSA548757
Ephedra californica
W. L. Halvorson
1977-4-5
77 -245
San Bernardino
Desert, bajada, N of Dale Lake, E of 29 Palms. alt 1300ft
396
Comment
RSA548758
Ephedra californica
W. L. Halvorson
1977-3-11
77 -159
San Bernardino
Desert, Sheep Hole Pass (ca. 2000 ft.) between Twenty-nine Palms and Amboy.
610
Comment
SBBG99785
Ephedra californica
W. L. Halvorson
1977-4-5
77 -245
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG99786
Ephedra californica
W. L. Halvorson
1977-3-11
77 -159
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG99224
Eremalche rotundifolia
W. L. Halvorson
1977-2-5
77 -16
Riverside
near the jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99225
Eremalche rotundifolia
W. L. Halvorson
1977-3-8
77 -79
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99227
Eremalche rotundifolia
W. L. Halvorson
1977-3-11
77 -131
San Bernardino
N side of Dale Lake, E of Twenty-nine Palms
Comment
SBBG100809
Eremocarya micrantha
W. L. Halvorson
1977-3-11
77 -112
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG100308
Eremothera boothii subsp. decorticans
W. L. Halvorson
1977-2-5
77 -15
Riverside
near jct of I-10 and rd to Joshua Tree Nat Monument
Comment
SBBG100304
Eremothera refracta
W. L. Halvorson
1977-2-5
77 -8
Riverside
near jct of I-10 and rd to Joshua Tree Nat Monument
Comment
SD143489
Eriogonum inflatum
W. L. Halvorson
1977-3-8
77 81
Riverside
Desert, 1 mile south of the south entrance to Joshua Tree Nat'l Monument
Comment Read comments Nov 6 2011
RSA548759
Eriogonum inflatum var. inflatum
W. L. Halvorson
1977-2-15
77 -23
Riverside
Junction of I-10 and road to Joshua Tree National Monument.
Comment
SBBG97159
Eriogonum inflatum var. inflatum
W. L. Halvorson
1977-2-15
77 -23
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99610
Eriogonum pusillum
W. L. Halvorson
1977-8-3
77 -91
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99611
Eriogonum thomasii
W. L. Halvorson
1977-2-5
77 -13
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99612
Eriogonum thomasii
W. L. Halvorson
1977-3-8
77 -92
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99613
Eriogonum thomasii
W. L. Halvorson
1977-3-11
77 -142
San Bernardino
N of Dale Lake, 0.5 mi E of Amboy Rd
Comment
SBBG100492
Eriophyllum confertiflorum var. confertiflorum
W. L. Halvorson
1977-4-1
77 -223
Riverside
ca. 5 mi S of Temecula
Comment
SBBG99345
Erodium cicutarium
W. L. Halvorson
1977-3-11
77 -153
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG99346
Erodium cicutarium
W. L. Halvorson
1977-3-13
77 -177
Riverside
near Temecula
Comment
SBBG99347
Erodium cicutarium
W. L. Halvorson
1977-4-1
77 -230
Riverside
Corona
Comment
SBBG97209
Erodium moschatum
W. L. Halvorson
1977-3-13
77 -176
Riverside
near Temecula
Comment
SBBG99348
Erodium moschatum
W. L. Halvorson
1977-3-29
77 -206
San Diego
Oceanside
Comment
SBBG99349
Erodium moschatum
W. L. Halvorson
1977-3-13
77 -176
Riverside
near Temecula
Comment
SBBG99350
Erodium texanum
W. L. Halvorson
1977-3-8
77 -84
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
RSA548743
Eschscholzia glyptosperma
W. L. Halvorson
1977-4-5
77 -252
San Bernardino
Desert, bajada, N of Dale Lake, E of 29 Palms.
396
Comment
SBBG100328
Eschscholzia glyptosperma
W. L. Halvorson
1977-4-5
77 -252
San Bernardino
N of Dale Lake, ca. 0.5 mi E of Amboy Rd, E of Twentynine Palms
396
Comment
RSA548742
Eschscholzia minutiflora
W. L. Halvorson
1977-4-5
77 -251
San Bernardino
Desert, above Dale Lake, E of Twenty Nine Palms
Comment
SBBG100330
Eschscholzia minutiflora
W. L. Halvorson
1977-3-11
77 -143
San Bernardino
N of Dale Lake, 0.5 mi E of Amboy Rd
Comment
SBBG100331
Eschscholzia minutiflora
W. L. Halvorson
1977-4-5
77 -251
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SD135500
Eschscholzia papastillii
W. L. Halvorson
1977-4-5
77 251
San Bernardino
Sandy slopes above Dale Lake east of Twenty-nine Palms.
Comment
SD135499
Eschscholzia papastillii
W. L. Halvorson
1977-4-5
77 252
Unknown
North of Dale Lake, East of Twenty-nine Palms.
395
Comment Read comments Jan 1 2016
SBBG100359
Funastrum hirtellum
W. L. Halvorson
1977-3-11
77 -161
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
RSA548746
Geraea canescens
W. L. Halvorson
1977-4-5
77 -243
San Bernardino
Desert, above Dale Lake, E of Twenty Nine Palms
Comment
SBBG100826
Geraea canescens
W. L. Halvorson
1977-3-11
77 -120
San Bernardino
E side of Dale Lake, N of Hwy 62, E of Twentynine Palms
Comment
SBBG100827
Geraea canescens
W. L. Halvorson
1977-3-11
77 -134
San Bernardino
N side of Dale Lake, E of Twentynine Palms
Comment
SBBG100829
Geraea canescens
W. L. Halvorson
1977-4-5
77 -243
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG99388
Glebionis coronaria
W. L. Halvorson
1977-4-2
77 -232
San Diego
Oceanside
Comment
SBBG100810
Heliotropium curassavicum var. oculatum
W. L. Halvorson
1977-4-2
77 -233
San Diego
Oceanside
Comment
SBBG100515
Hordeum vulgare
W. L. Halvorson
1977-1-4
77 -229
Riverside
Corona
Comment
SBBG99595
Langloisia setosissima subsp. punctata
W. L. Halvorson
1977-4-5
77 -246
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SBBG97170
Larrea tridentata
W. L. Halvorson
1977-3-8
77 -73
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99891
Larrea tridentata
W. L. Halvorson
1977-3-11
77 -155
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG100414
Lepidium fremontii
W. L. Halvorson
1977-3-8
77 -74
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100415
Lepidium fremontii
W. L. Halvorson
1977-3-11
77 -106
San Bernardino
6 mi S of Twentynine Palms
Comment
SBBG100418
Lepidium lasiocarpum var. lasiocarpum
W. L. Halvorson
1977-3-11
77 -137
San Bernardino
N side of Dale Lake, E of Twentynine Palms
Comment
SBBG97158
Loeseliastrum matthewsii
W. L. Halvorson
1977-3-11
77 -122
San Bernardino
E side of Dale Lake, N of Hwy 62, E of Twentynine Palms
Comment
SBBG99594
Loeseliastrum matthewsii
W. L. Halvorson
1977-4-5
77 -250
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment
SD143497
Loeseliastrum matthewsii
W. L. Halvorson
1977-3-11
77 122
San Bernardino
Desert, east side of Dale Lake, north of CA 62, east of Twenty-nine Palms
Comment
SBBG99596
Loeseliastrum schottii
W. L. Halvorson
1977-2-15
77 -30
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99597
Loeseliastrum schottii
W. L. Halvorson
1977-3-8
77 -88
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG97207
Lupinus sparsiflorus
W. L. Halvorson
1977-3-9
77 -98
San Bernardino
basin NE of Sheep Hole Mtns on dirt rd 2 mi NW of Hwy 62
Comment
SBBG99765
Lupinus sparsiflorus
W. L. Halvorson
1977-2-15
77 -27
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99766
Lupinus sparsiflorus
W. L. Halvorson
1977-3-9
77 -98
San Bernardino
basin NE of Sheep Hole Mtns on dirt rd 2 mi NW of Hwy 62
Comment
SBBG99767
Lupinus sparsiflorus
W. L. Halvorson
1977-3-11
77 -165
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG100477
Malacothrix californica
W. L. Halvorson
1977-9-3
77 -97
San Bernardino
basin NE of Sheep Hole Mtns, E of Twentynine Palms on dirt rd 2 mi NW of St Hwy 62
Comment
SBBG100476
Malacothrix glabrata
W. L. Halvorson
1977-3-8
77 -86
Riverside
ca. 1 mi S of the S entrance to Joshua Tree Nat Monument
Comment
SBBG97222
Malacothrix glabrata
W. L. Halvorson
1977-3-9
77 -97
San Bernardino
basin NE of Sheep Hole Mtns on dirt rd 2 mi NW of Hwy 62
Comment
SBBG99460
Marrubium vulgare
W. L. Halvorson
1977-1-15
77 -24
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100456
Matricaria discoidea
W. L. Halvorson
1977-3-13
77 -179
Riverside
near Temecula
Comment
SBBG99185
Mentzelia affinis
W. L. Halvorson
1977-3-11
77 -146
San Bernardino
bajada N of Dale Lake, ca. 0.5 mi E of Amboy Rd, E of Twentynine Palms
487
Comment
SBBG97173
Mentzelia involucrata
W. L. Halvorson
1977-2-5
77 -11
Riverside
bajada, near jct of I-10 and rd to Joshua Tree Nat Monument
Comment Read comments Jun 4 2012
SBBG97174
Mentzelia involucrata
W. L. Halvorson
1977-3-8
77 -94
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99187
Mentzelia involucrata
W. L. Halvorson
1977-2-5
77 -11
Riverside
bajada, near jct of I-10 and rd to Joshua Tree Nat Monument
Comment
SBBG99189
Mentzelia involucrata
W. L. Halvorson
1977-3-8
77 -94
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG99255
Mirabilis laevis var. villosa
W. L. Halvorson
1977-3-10
77 -103
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG97163
Mohavea confertiflora
W. L. Halvorson
1977-2-5
77 -12
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99713
Mohavea confertiflora
W. L. Halvorson
1977-2-5
77 -12
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100856
Monoptilon bellioides
W. L. Halvorson
1977-2-5
77 -18
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100857
Monoptilon bellioides
W. L. Halvorson
1977-3-8
77 -93
Riverside
ca.1 mi S of the S entrance to Joshua Tree Nat Monument
Comment
SBBG100858
Monoptilon bellioides
W. L. Halvorson
1977-3-11
77 -166
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG99407
Nama demissa
W. L. Halvorson
1977-2-15
77 -29
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99409
Nama demissa
W. L. Halvorson
1977-3-11
77 -135
San Bernardino
N side of Dale Lake, E of Twentynine Palms
Comment
SD143517
Nama demissa var. demissa
W. L. Halvorson
1977-3-8
77 85
Riverside
1.0 mile south of the south entrance to Joshua Tree National Monument.
Comment
SBBG97165
Nicotiana glauca
W. L. Halvorson
1977-3-10
77 -105
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG99843
Nicotiana glauca
W. L. Halvorson
1977-3-10
77 -105
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG97166
Nicotiana obtusifolia
W. L. Halvorson
1977-3-10
77 -101
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG99844
Nicotiana obtusifolia
W. L. Halvorson
1977-3-8
77 -75
Riverside
ca. 1 mi S of the S entrance to Joshua Tree Nat Monument
Comment
SBBG99845
Nicotiana obtusifolia
W. L. Halvorson
1977-3-10
77 -101
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG100275
Oligomeris linifolia
W. L. Halvorson
1977-3-11
77 -127
San Bernardino
N shore of Dale Lake, E of Twentynine Palms
Comment
SBBG100852
Palafoxia arida
W. L. Halvorson
1977-3-3
77 -70
Riverside
near roadway of Interstate 10, 30 mi W of Blythe
Comment
SBBG100853
Palafoxia arida
W. L. Halvorson
1977-2-20
77 -78
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100854
Palafoxia arida
W. L. Halvorson
1977-3-11
77 -157
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
SBBG100847
Perityle emoryi
W. L. Halvorson
1977-2-5
77 -10
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG100849
Perityle emoryi
W. L. Halvorson
1977-3-11
77 -151
San Bernardino
mtns N of Dale Lake, W of Amboy Rd, in Sheep Hole Pass, E of Twentynine Palms
670
Comment
SBBG97221
Perityle emoryi
W. L. Halvorson
1977-2-5
77 -10
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99410
Phacelia crenulata
W. L. Halvorson
1977-2-5
77 -9
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99412
Phacelia crenulata
W. L. Halvorson
1977-3-11
77 -168
San Bernardino
between Twentynine Palms and Amboy, Sheep Hole Mtns
609
Comment
RSA548755
Physalis crassifolia
W. L. Halvorson
1977-3-11
77 -150
San Bernardino
Desert, mountains north of Dale Lake, west of Amboy rd. In sheep Hole Pass, east of Twenty-nine Palms
671
Comment
SBBG97167
Physalis crassifolia
W. L. Halvorson
1977-3-25
77 -198
Riverside
N of Mecca, N of Salton Sea
Comment
SBBG99846
Physalis crassifolia
W. L. Halvorson
1977-3-11
77 -150
San Bernardino
Sheephole Pass, W of Amboy Rd, E of Twenty-nine Palms
670
Comment
SBBG99847
Physalis crassifolia
W. L. Halvorson
1977-3-25
77 -198
Riverside
N of Mecca, N of Salton Sea
Comment
RSA548756
Pinus monophylla
W. L. Halvorson
1977-4-4
77 -236
Riverside
Transition from desert at Joshua Tree Nat'l Monument.
1220
Comment
SBBG99806
Pinus monophylla
W. L. Halvorson
1977-4-4
77 -236
Riverside
transition from desert to Joshua Tree Nat Monument
1219
Comment
SBBG100815
Plagiobothrys arizonicus
W. L. Halvorson
1977-3-13
77 -178
Riverside
near Temecula
Comment
SBBG119105
Plagiobothrys arizonicus
W. L. Halvorson
1977-3-13
77 -178
Riverside
near Temecula
Comment
SBBG100817
Plagiobothrys jonesii
W. L. Halvorson
1977-3-11
77 -162
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
609
Comment
SBBG99819
Plantago ovata var. fastigiata
W. L. Halvorson
1977-2-15
77 -31
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG99821
Plantago ovata var. fastigiata
W. L. Halvorson
1977-3-11
77 -269
San Bernardino
Sheep Hole Pass between Twentynine Palms and Amboy
Comment
SBBG97299
Platanus racemosa
W. L. Halvorson
1977-4-1
77 -215
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG99836
Platanus racemosa
W. L. Halvorson
1977-4-1
77 -215
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG100518
Pleuraphis rigida
W. L. Halvorson
1977-3-11
77 -108
San Bernardino
S of Dale Lake, along St Hwy 62, E of Twentynine Palms
Comment
SBBG100428
Raphanus sativus
W. L. Halvorson
1977-3-29
77 -207
San Diego
Oceanside
Comment
SBBG100270
Rhamnus ilicifolia
W. L. Halvorson
1977-4-1
77 -221
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG97184
Rhus ovata
W. L. Halvorson
1977-4-1
77 -225
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG99308
Rhus ovata
W. L. Halvorson
1977-4-1
77 -225
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG100243
Ribes malvaceum
W. L. Halvorson
1977-4-1
77 -219
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG99635
Rumex crispus
W. L. Halvorson
1977-4-1
77 -210
San Diego
Oceanside
Comment
RSA548760
Salvia columbariae
W. L. Halvorson
1977-3-11
77 -145
Riverside
Desert, bajada north of Dale Lake, 1/2 mile east of Amboy Rd., 1600 ft. east of Twenty-nine Palms.
488
Comment Read comments Jun 2 2013
SBBG97212
Salvia columbariae
W. L. Halvorson
1977-3-11
77 -145
San Bernardino
N of Dale Lake, bajada, 0.5 mi E of Amboy Rd, E of Twentynine Palms
487
Comment
SBBG97214
Salvia columbariae
W. L. Halvorson
1977-2-15
77 -25
Riverside
near jct of Interstate 10 and rd to Joshua Tree Nat Monument
Comment
SBBG97213
Salvia mellifera
W. L. Halvorson
1977-4-1
77 -224
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG99475
Salvia mellifera
W. L. Halvorson
1977-4-1
77 -224
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG100864
Senecio vulgaris
W. L. Halvorson
1977-3-13
77 -173
Riverside
near Temecula
Comment
SD143525
Senecio vulgaris
W. L. Halvorson
1977-3-13
77 173
Riverside
Rolling hills near Temecula
Comment
SBBG97168
Solanum umbelliferum
W. L. Halvorson
1977-4-1
77 -217
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG99854
Solanum umbelliferum
W. L. Halvorson
1977-4-1
77 -217
Riverside
5 mi S of Temecula on Hwy S16
Comment
SBBG100769
Sonchus oleraceus
W. L. Halvorson
1977-3-29
77 -208
San Diego
Oceanside
Comment
SBBG100593
Stillingia paucidentata
W. L. Halvorson
1977-3-10
77 -104
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG119107
Stillingia paucidentata
W. L. Halvorson
1977-3-10
77 -104
San Bernardino
near Indian Cove Cmpgrd, Joshua Tree Nat Monument
Comment
SBBG100277
Thalictrum fendleri var. polycarpum
W. L. Halvorson
1977-4-1
77 -216
Riverside
Hwy S16, 5 mi S of Temecula
Comment
SBBG97156
Thalictrum fendleri var. polycarpum
W. L. Halvorson
1977-4-1
77 -216
Riverside
Hwy S16, 5 mi S of Temecula
Comment
SBBG100776
Trichoptilium incisum
W. L. Halvorson
1977-3-9
77 -89
Riverside
1 mi S of S entrance to Joshua Tree Nat Monument
Comment
SBBG100777
Trichoptilium incisum
W. L. Halvorson
1977-4-5
77 -248
San Bernardino
above Dale Lake, E of Twentynine Palms
Comment