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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
SBBG1869
Abronia villosa
R. Moran
1958-3-1
6512
Imperial
Pinto Wash
75
Comment
SD250521
Abronia villosa
June Latting
1973-2-18
Imperial
Sonoran Desert, Yuha Desert: sand pit area on Yuha Cutoff, Hwy 98, west of Calexico (Mount Signal 7.5'Q)
22
Comment
SEINET893731
Abronia villosa
Leo A. Galloway
1970-1
1241
Imperial
Just below sea level, 11 miles west of Calexico State Highway 98.
Comment
UCR122299
Abronia villosa
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
RSA0042615
Abronia villosa var. villosa
Jim Andre
2013-3-3
23978
Imperial
Yuha Desert, along Hwy 98 15.1 mi. ESE of Ocotillo, and west of Calexico. Near Pinto Wash crossing.
37
Comment
SD144451
Abronia villosa var. villosa
G. K. Helmkamp, E. Helmkamp
1998-1-28
14445
Imperial
West Mesa, jeep trail S of Hwy 98 along the Mexican border, 2.2 mi W of Mt. Signal Rd
67
Comment
SD242874
Abronia villosa var. villosa
Janeen Williams
2008-1-23
1
Imperial
Yuha Desert Area of Critical Environmental Concern, north of highway 98 west of kiosk on road
28
Comment
SD242875
Abronia villosa var. villosa
1993-3-7
Imperial
Pinto Wash at 98
Comment
UCR241284
Abronia villosa var. villosa
A. C. Sanders, Ann Howald
2013-2-28
40574
Imperial
Sonoran (Colorado) Desert, west side of the Imperial Valley, 8.75 km west of Mt. Signal/Brockman Rd. along Hwy 98
25
Comment
UCR252837
Abronia villosa var. villosa
Jim Andre
2013-3-3
23978
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
CDA23998
Achyronychia cooperi
T. C. Fuller
1962-4-4
8051
Imperial
Highway 98, 13.2 miles west of Calexico.
0
Comment
UCR122304
Achyronychia cooperi
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
HSC83078
Ambrosia ilicifolia
A. C. Sanders, Charlton, Pitzer, Wright
1986-3-10
6267
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
OBI38340
Ambrosia ilicifolia
A. C. Sanders
1986-3-10
6267
Imperial
North foot of Mt. Signal, just N of the international boundary, 1.43 mi W of Mt. Signal Rd. on BLM road Y2918.
61
Comment
SD124735
Ambrosia ilicifolia
A. C. Sanders, Charlton,Pitzer, Wright
1986-3-10
6267
Imperial
North foot of Mount Signal, just north of the international boundary, 1.43 miles west of Mt Signal Road on B.L.M. road Y 2918. Uncommon subshrub along wash. (IPB 10/07)
60
Comment
UCR109538
Ambrosia ilicifolia
R. D. Goeden, Don W. Ricker
1970-12-14
s.n.
Imperial
Salton Trough, Signal Mountain, 1.5 mi. south of Hwy 98 and 0.5 mi. west of Mount Signal Rd.
15
Comment
UCR142116
Ambrosia ilicifolia
June Latting, R. M. Beauchamp
1979-2-25
s.n.
Imperial
Sonoran (Colorado) Desert, Signal Mountain near the Mexican border, Yuha Desert
30
Comment
UCR41756
Ambrosia ilicifolia
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6267
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
UCSB12258
Ambrosia ilicifolia
Tarwater, Shirley
1961-3-4
Imperial
2 miles North of Mt. Signal, 15 miles West of Calexico, off Hwy. 89, on dirt road
Comment
SD115677
Aristida adscensionis
Duffie Clemons, Erik Jonsson
1983-10-2
791
Imperial
Approximately 100 plants in silty gravel soil, Mt. Signal quad map
29
Comment
UCR241536
Aristida adscensionis
A. C. Sanders, Ann Howald
2013-2-28
40575
Imperial
Sonoran (Colorado) Desert, along dirt track 0.62 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd.
31
Comment
CAS-BOT-BC334454
Aristida californica
A. C. Sanders; Ann Howald
2012-2-28
40576
Imperial
Sonoran (Colorado) Desert, along dirt track 0.62 km due N of Hwy 98, track joins Hwy c. 9.9 km W of Mt. Signal at Brockman Rd.
102
Comment
CLARK-A1045-1212
Aristida californica
George K. Helmkamp
1977-1-22
Imperial
Yuha Desert where Pinto Wash crosses State Highway 98; ; Yuha Basin 7.5'Q
Comment
GMDRC5766
Aristida californica
J. M. Andre
2013-3-3
23973
Imperial
Yuha Desert, along Hwy 98 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
RSA0024963
Aristida californica
Jim Andre
2013-3-3
23973
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
UCR241537
Aristida californica
A. C. Sanders, Ann Howald
2013-2-28
40576
Imperial
Sonoran (Colorado) Desert, along dirt track 0.62 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd.
31
Comment
UCR241539
Aristida californica
A. C. Sanders, Ann Howald
2013-2-28
40578
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
UCR253339
Aristida purpurea
Jim Andre
2013-3-3
23973
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
UCR241560
Astragalus aridus
A. C. Sanders, Ann Howald
2013-2-28
40582
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
UCSB12496
Astragalus aridus
Corfman, Nancy
1961-3-5
Imperial
1 miles north of Mt. Signal, 15 miles west of Calexico on Highway 98 off dirt road
Comment Read comments Mar 8 2013
CLARK-A1045-1214
Astragalus filipes
George K. Helmkamp
1977-1-22
Imperial
Yuha Desert where Pinto Wash crosses State Highway 98; ; Yuha Basin 7.5'Q
Comment
UCSB12290
Baccharis salicifolia
Corfman, Nancy
1961-3-5
Imperial
13 miles west of Calexico by Highway 89
Comment
CDA10403
Baileya pauciradiata
T. C. Fuller
1962-4-4
8049
Imperial
0.7 mile south of Highway 98, 11.5 miles west of Calexico.
0
Comment
CDA10406
Baileya pauciradiata
T. C. Fuller
1962-4-4
8054
Imperial
Highway 98 to Ocotillo, 14.9 miles west of Calexico.
0
Comment
RSA271183
Baileya pauciradiata
C. W. Tilforth, John Dourley, Walter Wisura
1977-5-19
1313
Imperial
Sandy dune like area along Pinto Wash, c. 13 miles w. of Calexico, Hwy. 98.
30
Comment
UC1424901
Baileya pauciradiata
C. W. Tilforth, J. Dourley, W. Wisura
1977-5-19
1313
Imperial
13 mi w Calexico; Pinto Wash
30
Comment
UCR122300
Baileya pauciradiata
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
UCR15333
Bouteloua aristidoides
O. F. Clarke, N. Burchett, G. K. Helmkamp
1977-1-22
s.n.
Imperial
Sonoran (Colorado) Desert, Pinto Wash alongside Calif. Hwy 98
30
Comment
UCR122301
Brassica tournefortii
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
UCR122306
Camissonia claviformis
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
HSC104302
Camissonia claviformis subsp. peirsonii
Richard Spjut
2008-2-12
16191
Imperial
Yuha Basin, Yuha Desert, Pinto Wash
Comment
RSA245551
Camissonia claviformis subsp. peirsonii
Larry E. DeBuhr, Gary D. Wallace
1973-3-3
799
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
RSA789616
Camissonia claviformis subsp. peirsonii
R. W. Spjut
2008-2-12
16191
Imperial
California Sonoran Desert. Yuha Basin, Yuha Desert, Pinto Wash.
Comment
UCR241130
Camissonia claviformis subsp. peirsonii
A. C. Sanders, Ann Howald
2013-2-28
40572
Imperial
Sonoran (Colorado) Desert, west side of the Imperial Valley, 8.75 km west of Mt. Signal/Brockman Rd. along Hwy 98
25
Comment
CDA10735
Chaenactis stevioides
T. C. Fuller
1962-4-4
8052
Imperial
Highway 98, 13.2 miles west of Calexico.
0
Comment
SBBG7890
Chaenactis stevioides
R. Moran
1958-3-5
6522
Imperial
Pinto Wash
75
Comment
SD242687
Chaenactis stevioides
1993-3-7
Imperial
Pinto Wash at 98
Comment
UC1777704
Chaenactis stevioides
Donald W. Kyhos
1968-3-17
68 -101
Imperial
Hwy 98, 15.8 miles east of junction with Hwy 8.
Comment
UCD20087
Chaenactis stevioides
Donald W. Kyhos
1968-3-17
68 -101
Imperial
Hwy 98, 15.8 miles east of junction with Hwy 8.
Comment
UCD20101
Chaenactis stevioides
Donald W. Kyhos
1968-3-17
68 -102
Imperial
Hwy 98, 15.8 miles east of junction with Hwy 8.
Comment
UCR122295
Chaenactis stevioides
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
CDA22439
Chorizanthe brevicornu
T. C. Fuller
1962-4-4
8058
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
SBBG1424
Chorizanthe rigida
R. Moran
1958-3-5
6524
Imperial
Pinto Wash
75
Comment
RSA0024962
Chylismia claviformis subsp. peirsonii
Jim Andre
2013-3-3
23971
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
SD242889
Chylismia claviformis subsp. peirsonii
1993-3-7
Imperial
Pinto Wash at 98
Comment
UCR252831
Chylismia claviformis subsp. peirsonii
Jim Andre
2013-3-3
23971
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
RSA244329
Cistanthe ambigua
Larry E. DeBuhr, Gary D. Wallace
1973-3-3
781
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
RSA0042614
Croton californicus
J. M. Andre
2013-3-3
23977
Imperial
Yuha Desert, along Hwy 98 15.1 mi. ESE of Ocotillo, and west of Calexico. Near Pinto Wash crossing.
37
Comment
UCR252838
Croton californicus
Jim Andre
2013-3-3
23977
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
CDA40490
Cryptantha angustifolia
T. C. Fuller
1962-4-4
8047
Imperial
0.7 mile south of Highway 98, 11.5 miles west of Calexico.
0
Comment
RSA0029661
Cryptantha angustifolia
J. Andre
2013-3-3
23968
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
RSA245544
Cryptantha angustifolia
Larry E. DeBuhr, Gary Wallace
1973-3-3
790
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
SBBG87807
Cryptantha angustifolia
A. C. Sanders with Charlton, Pitzer, Wright
1986-3-10
6270
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi W of Mt Signal Rd on BLM Rd Y2918
60
Comment
SD258349
Cryptantha angustifolia
J. M. Andre
2013-3-3
23968
Imperial
Yuha Basin; Yuha Desert, along Hwy 98 15.1 mi ESE of Ocotillo and west of Calexico
36
Comment
UCR122303
Cryptantha angustifolia
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
UCR241162
Cryptantha angustifolia
A. C. Sanders, Ann Howald
2013-2-28
40573
Imperial
Sonoran (Colorado) Desert, west side of the Imperial Valley, 8.75 km west of Mt. Signal/Brockman Rd. along Hwy 98
25
Comment
UCR253344
Cryptantha angustifolia
Jim Andre
2013-3-3
23968
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
UCR41754
Cryptantha angustifolia
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6270
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
RSA776460
Cryptantha costata
Amber Swanson, Duncan S. Bell
2011-2-26
174
Imperial
S side of Hwy 98 near Roys Rd to Pinto Wash.
31
Comment
UCR241559
Cryptantha costata
A. C. Sanders, Ann Howald
2013-2-28
40581
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
RSA789617
Cryptantha holoptera
R. W. Spjut
2008-2-12
16192
Imperial
California Sonoran Desert. Yuha Basin, Yuha Desert, Pinto Wash.
Comment
SD242815
Dalea mollissima
Stephen Larson
1984-4-6
Imperial
[Locality determined by SDNHM] East end of Pinto Wash
Comment
CAS-BOT-BC292144
Dicoria canescens
James Henrickson
1964-1-5
1517
Imperial
Colorado Desert; 15.7 miles west of Calexico near Hy 98
Comment
RSA182197
Dicoria canescens
James Henrickson
1964-1-5
1517
Imperial
Colorado Desert, 15.7 miles W of Calexico near Hwy 98.
0
Comment
CLARK-A1045-1211
Dicoria canescens subsp. clarkiae
George K. Helmkamp
1977-1-22
Imperial
Yuha Desert where Pinto Wash crosses State Highway 98; ; Yuha Basin 7.5'Q
Comment
CLARK-A1045-1213
Ditaxis neomexicana
George K. Helmkamp
1977-1-22
Imperial
Yuha Desert where Pinto Wash crosses State Highway 98; ; Yuha Basin 7.5'Q
Comment
CAS-BOT-BC334455
Dithyrea californica
A. C. Sanders; Ann Howald
2012-2-28
40577
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due N of Hwy 90, track joins Hwy c. 9.9 km W of Mt. Signal at Brockman Rd., 0.8 mi from hwy via the track
30
Comment
CAS-BOT-BC43597
Dithyrea californica
James Henrickson; R. Rutherford
1964-1-4
1516
Imperial
Colorado Desert. 15.7 miles west of Calexico, near Highway 98, near Pinto Wash.
Comment
SD242771
Dithyrea californica
Janeen Williams
2008-1-23
Imperial
Yuha Desert Area of Critical Environmental Concern, north of highway 98 west of kiosk o road
31
Comment
UCR122305
Dithyrea californica
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
UCR241538
Dithyrea californica
A. C. Sanders, Ann Howald
2013-2-28
40577
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
UCR253345
Dithyrea californica
Jim Andre
2013-3-3
23969
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
SBBG8064
Encelia frutescens
R. Moran
1958-3-5
6528
Imperial
Pinto Wash
75
Comment
UCR252823
Encelia frutescens
Jim Andre
2013-3-3
23975
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
SD144049
Encelia frutescens var. frutescens
G. K. Helmkamp, E. Helmkamp
1998-1-28
2628
Imperial
West Mesa: Jeep trail S of Hwy CA-98 along the Mexican border, 2.2 mi. W of Mt. Signal Rd.
67
Comment
SEINET7906408
Ephedra trifurca
J. Massey, J. Henrickson
1966-1
Imperial
Colorado Desert, Pinto Wash, ~ 8 mi W Calexico, Hwy 98, ~ 1 mi from road
Comment
CDA35720
Eremalche rotundifolia
T. C. Fuller
1962-4-4
8065
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
CAS-BOT-BC160023
Eremothera boothii subsp. condensata
James Henrickson
1964-1-4
1514
Imperial
Colorado Desert; 15.7 miles west of Calexico near Hy. 98
Comment
CDA37524
Eremothera boothii subsp. condensata
T. C. Fuller
1962-4-4
8060
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
HSC83077
Eriogonum deserticola
A. C. Sanders, Charlton, Pitzer, Wright
1986-3-10
6268
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
SBBG87813
Eriogonum deserticola
A. C. Sanders, D. Charlton, B. Pitzer, W. Wright
1986-3-10
6268
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi W of Mt Signal Rd on BLM Rd Y2918
60
Comment
UCR41757
Eriogonum deserticola
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6268
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
CDA22663
Eriogonum thomasii
T. C. Fuller
1962-4-4
8059
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
SD115679
Euphorbia micromera
Duffie Clemons, Erik Jonsson
1983-10-2
793
Imperial
[TRS only, no locality information on label]
29
Comment
SEINET912739
Fagonia pachyacantha
R. J. Barr
1968-1
68 -85
Imperial
South of California Hwy 98 near Ocotillo.
60
Comment
OBI33340
Festuca microstachys
David J. Keil, Melissa Luckow
1982-6-3
16158
Ventura
Lockwood Valley Rd. 9 mi E of jctn w/ Hwy 33. 5 mi E of Reyes Creek.
Comment
CDA36611
Fouquieria splendens
T. C. Fuller
1962-4-4
8064
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
SBBG9325
Geraea canescens
R. Moran
1958-3-1
6513
Imperial
Pinto Wash
75
Comment
UCR122296
Geraea canescens
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
RSA182761
Hesperocallis undulata
J. Massey, James Henrickson
1966-3-18
1106
Imperial
15 miles W of Calexico along Highway 98.
Comment
RSA239719
Hesperocallis undulata
Larry E. DeBuhr, Gary D. Wallace
1973-3-3
780
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
UCR9232
Hesperocallis undulata
D. H. Wilken, G. D. Wallace
1966-3-5
681
Imperial
Sonoran (Colorado) Desert, Yuma Desert, Pinto Wash west of Calexico
0
Comment
SD256666
Hilaria rigida
J. M. Andre
2013-3-3
23972
Imperial
Yuha Desert, along Highway 98, 15.1 miles ESE of Ocotillo and west of Calexico.
36
Comment
RSA245559
Hymenoclea salsola
Larry E. DeBuhr, Gary D. Wallace
1973-3-3
804
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
SD115680
Kallstroemia californica
Duffie Clemons, Erik Jonsson
1983-10-2
DC 794
Imperial
In silty gravel of desert flat; Mt. Signal quad. (IPB 10/07)
29
Comment
CDA40088
Loeseliastrum schottii
T. C. Fuller
1962-4-4
8048
Imperial
0.7 mile south of Highway 98, 11.5 miles west of Calexico.
0
Comment
CAS-BOT-BC322591
Malperia tenuis
William Anderson
1964-2-19
s.n.
Imperial
5 miles west of Signal Mountain
Comment
SD134514
Malperia tenuis
Craig Reiser
1992-3-8
Imperial
Pinto Wash
Comment
CDA36647
Mentzelia albicaulis
T. C. Fuller
1962-4-4
8053
Imperial
Highway 98 to Ocotillo, 14.9 miles west of Calexico.
0
Comment
SBBG4846
Mentzelia albicaulis
R. Moran
1958-3-5
6523
Imperial
Pinto Wash
75
Comment
SD113281
Mentzelia albicaulis
Darley F. Howe
1949-3-19
1974
Imperial
Yuha Road, western Colorado Desert.
Comment
CDA8410
Monoptilon bellioides
T. C. Fuller
1962-4-4
8063
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
SEINET236147
Muhlenbergia microsperma
Frank B. McMurry
1943-12-3
1286
Imperial
3 miles northwest of Control TOwer Imperial Dam. Small wash above rock quarry.
107
Comment Read comments Sep 2 2016
SD115681
Nama hispida var. spathulata
Duffie Clemons, Erik Jonsson
1983-10-2
795
Imperial
[TRS only, no locality information on label]
29
Comment
SDSU21253
Oenothera deltoides
S. H. Bullock
1968-4-8
107
Imperial
18 mi. southeast of Ocotillo on Calif. State 98.
30
Comment
UCR241541
Oenothera deltoides
A. C. Sanders, Ann Howald
2013-2-28
40580
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
SD242896
Oenothera deltoides subsp. deltoides
Janeen Williams
2008-1-23
2
Imperial
Yuha Desert Area of Critical Environmental Concern, north of highway 98 west of kiosk on road
131
Comment
UCR122298
Oenothera deltoides subsp. deltoides
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
UCR252830
Oenothera deltoides subsp. deltoides
Jim Andre
2013-3-3
23970
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico
38
Comment
SBBG9327
Orobanche cooperi
R. Moran
1958-3-1
6508
Imperial
Pinto Wash
75
Comment
UC1194922
Orobanche cooperi
Reid Moran
1958-3-1
6508
Imperial
Pinto Wash
75
Comment
UC1534584
Orobanche cooperi
A. C. Sanders with Charlton, Pitzer and Wright
1986-3-10
6266
Imperial
n foot of Mount Signal, just n of the international boundary, 1.43 mi w of Mount Signal Road on B.L.M. road Y 2918 Mount Signal
60
Comment
UCR46056
Orobanche cooperi
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6266
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
SD250446
Palafoxia arida var. arida
June Latting
1973-2-18
Imperial
Sonoran Desert, Yuha Desert: sand pit area on Yuha Cutoff, Hwy 98, west of Calexico (Mount Signal 7.5'Q)
22
Comment
UCR122297
Palafoxia arida var. arida
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
RSA0024964
Pectocarya heterocarpa
J. Andre
2013-3-3
23976
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
CDA40391
Phacelia crenulata var. ambigua
T. C. Fuller
1962-4-4
8062
Imperial
Highway 98 to Calexico, 16.0 miles east of Ocotillo.
0
Comment
SD113340
Phacelia crenulata var. minutiflora
Darley F. Howe
1949-3-19
2067
Imperial
Yuha Road, southwest Colorado Desert
Comment
POM280302
Phoradendron californicum
Lyman D. Benson
1933-4-1
4233
Imperial
5 mile N of Signal Mt, Salton Sea Watershed.
30
Comment
CAS-BOT-BC45838
Pilostyles thurberi
Eva M. Wilson
1956-6-23
n.s
Imperial
Pinto Wash on the Yuha cut-off betw. Signal Mt. P.O. and Coyote Wells
Comment
CAS-BOT-BC45839
Pilostyles thurberi
Eva M. Wilson
1956-6-23
n.s
Imperial
Pinto Wash on the Yuha cut-off betw. Signal Mt. P.O. and Coyote Wells
Comment
RSA159462
Pilostyles thurberi
Eva Wilson
1956-6-23
s.n.
Imperial
Pinto Wash on the Yuha cut-off between Singal Mountain P.O. and Coyote Wells
Comment
RSA182928
Pilostyles thurberi
Robert L. Rutherford
1965-5-1
272
Imperial
Pinto Wash, 2 miles SW of Hwy 98; sea level
Comment
RSA182929
Pilostyles thurberi
Robert L. Rutherford
1965-5-1
272
Imperial
Pinto Wash, 2 miles SW of Hwy 98; sea level
Comment
RSA182931
Pilostyles thurberi
Robert L. Rutherford
1965-5-1
272
Imperial
Pinto Wash, 2 miles SW of Hwy 98; sea level
Comment
RSA182932
Pilostyles thurberi
Robert L. Rutherford
1964-11-29
251
Imperial
North side of Pinto Wash, 1 mile south of Hwy 98
15
Comment
RSA182933
Pilostyles thurberi
Robert L. Rutherford
1964-11-29
251
Imperial
North side of Pinto Wash, 1 mile south of Hwy 98
15
Comment
RSA182934
Pilostyles thurberi
Robert L. Rutherford
1964-11-29
251
Imperial
North side of Pinto Wash, 1 mile south of Hwy 98
15
Comment
RSA247379
Pilostyles thurberi
Gary D. Wallace, Wilken
1966-3-5
813
Imperial
West of Calexico in the Yuha Desert, in Piinto Wash, just north of Mexico; near sea level.
Comment
RSA668033
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
12
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
RSA668034
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
11
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
RSA668036
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
9
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
RSA668037
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
8
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
RSA678337
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
7
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
RSA688035
Pilostyles thurberi
Robert L. Rutherford
1963-11-30
10
Imperial
Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98;
Comment
UCR9211
Pilostyles thurberi
D. H. Wilken, G. D. Wallace
1966-3-5
693
Imperial
Sonoran (Colorado) Desert, Yuma Desert, Pinto Wash west of Calexico
0
Comment
UCR122302
Plantago ovata
June Latting
1973-2-18
s.n.
Imperial
Sonoran (Colorado) Desert, Yuha Desert, sand pit area on Yuha Cutoff, Hwy 98, west of Calexico
30
Comment
RSA0020880
Pleuraphis rigida
Jim Andre
2013-3-3
23972
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
SBBG584
Pleuraphis rigida
R. Moran
1958-3-5
6517
Imperial
Pinto Wash
Comment
HSC83081
Prosopis glandulosa
A. C. Sanders, Charlton, Pitzer, Wright
1986-3-10
6265
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
UCR41755
Prosopis glandulosa
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6265
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
POM275711
Prosopis glandulosa var. torreyana
Lyman D. Benson
1933-4-1
4234
Imperial
5 mile N of Signal Mt, Salton Sea Watershed.
30
Comment
SBBG87946
Prosopis glandulosa var. torreyana
A. C. Sanders, Charlton, Pitzer, Wright
1986-3-10
6265
Imperial
N foot of Mount Signal, just N of the international boundary, 1.43 mi W of Mt Signal Rd on BLM Rd Y2918
60
Comment
RSA264558
Psathyrotes ramosissima
C. W. Tilforth, John Dourley, Walter Wisura
1977-5-19
1311
Imperial
Along Pinto Wash about 13miles W of Calexico, Hwy 98
Comment
UC1424829
Psathyrotes ramosissima
C. W. Tilforth, J. Dourley, W. Wisura
1977-5-19
1311
Imperial
about 13 mi w Calexico (Hwy 98, along Pinto Wash); Pinto Wash
Comment
RSA264563
Psorothamnus emoryi
C. W. Tilforth
1977-5-19
1314
Imperial
Sandy dune like area along Pinto Wash, c. 13 miles w. of Calexico, Hwy. 98.
30
Comment
SBBG3302
Psorothamnus emoryi
R. Moran
1958-3-5
6518
Imperial
Pinto Wash
75
Comment
UCR109574
Psorothamnus schottii
R. D. Goeden, Don W. Ricker
1971-3-2
s.n.
Imperial
Salton Trough, Signal Mountain, 1.5 mi. south of Hwy 98 and 0.5 mi. west of Mount Signal Rd.
15
Comment
SEINET7296606
Schismus arabicus
Larry DeBuhr, Gary Wallace
1973-1
789
Imperial
Yuha Basin, Pinto Wash, about 16 miles west of Calexico along Hwy 98
Comment
SEINET7296607
Schismus arabicus
Larry DeBuhr, Gary Wallace
1973-1
789
Imperial
Yuha Basin, Pinto Wash, about 16 miles west of Calexico along Hwy 98
Comment
UCD136163
Sonchus oleraceus
Larry DeBuhr; Gary Wallace
1973-3-3
793
Imperial
Yuha Basin, Pinto Wash; along Highway 98 about 16 miles west of Calexico.
Comment
RSA445001
Sphaeralcea orcuttii
N. C. Cooper
1949-3-16
3174
Imperial
West of Mexicali
-15
Comment
CDA35322
Stillingia spinulosa
T. C. Fuller
1962-4-4
8055
Imperial
Highway 98 to Ocotillo, 14.9 miles west of Calexico.
0
Comment
RSA182245
Stillingia spinulosa
James Henrickson
1964-1-4
1513
Imperial
Colorado desert; Pinto wash area, along Hwy. 98, 16 miles west of Calexico.
Comment
RSA245558
Stillingia spinulosa
Larry E. DeBuhr, Gary D. Wallace
1973-3-3
796
Imperial
Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98.
Comment
RSA264570
Stillingia spinulosa
C. W. Tilforth, John Dourley, W. Wisura
1977-5-19
1312
Imperial
Sandy dune like area along Pinto Wash, c. 13 miles w. of Calexico, Hwy. 98.
30
Comment
SD115678
Stillingia spinulosa
Duffie Clemons, Erik Jonsson
1983-10-2
792
Imperial
[TRS only, no locality information on label]
29
Comment
UCD142212
Stillingia spinulosa
James Henrickson; R. Rutherford
1964-1-4
1513
Imperial
Colorado Desert; along Hy. 98; 16 miles west of Calexico.
0
Comment
UCD142228
Stillingia spinulosa
C. W. Tilforth; J. Dourley, W. Wisura
1977-5-19
1312
Imperial
C. 13 mi. W. of Calexico, Hiway 98.
30
Comment
UCR41758
Stillingia spinulosa
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6269
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment
HSC47319
Tiquilia palmeri
Richard Spjut, Judy Adams
1978-11-24
5242
Imperial
Yuha Basin Desert along Hwy. 98 near Pinto Wash
0
Comment
RSA0015939
Tiquilia palmeri
J. Andre
2013-3-3
23974
Imperial
Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing.
38
Comment
RSA264569
Tiquilia palmeri
C. W. Tilforth, John Dourley, Walter Wisura
1977-5-19
1315
Imperial
Sandy dune like area along Pinto Wash, c. 13 miles w. of Calexico, Hwy. 98.
30
Comment
UCR241540
Tiquilia palmeri
A. C. Sanders, Ann Howald
2013-2-28
40579
Imperial
Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track
30
Comment
UCR41810
Tiquilia palmeri
A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright
1986-3-10
6271
Imperial
Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918
61
Comment