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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
JEPS96886
Mesembryanthemum crystallinum
Dean W. Taylor
1998-5-12
16386
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment Read comments Oct 30 2007
RSA620646
Camissonia claviformis subsp. claviformis
B. Pitzer
1998-2-2
3498
Imperial
Colorado Desert: extension of Sidewinder Rd. S & W of Pilot Knob RV park/campground, ca. 1 mi. (air) SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 rd mi. past the RV park.
91
Comment
RSA645384
Allium praecox
Steven A. Junak
1995-4-11
5947
Santa Barbara
San Miguel Island: SE end of island, just S of Trinagulation Point ''Lamb''.
76
Comment
CAS-BOT-BC131405
Encelia frutescens
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob
Comment
CAS-BOT-BC137674
Aristida adscensionis
G. H. Mallory
1920-5-12
s.n.
Imperial
5 miles south of Ogilby Station at side of Track in arroyo.
Comment
CAS-BOT-BC160024
Eremothera boothii subsp. condensata
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi south of Ogilby Station by R.R. track
Comment
CAS-BOT-BC160583
Chylismia claviformis subsp. aurantiaca
Peter H. Raven
1958-1-26
11493
Imperial
On dunes 3.6 miles west of Winterhaven
Comment
CAS-BOT-BC160598
Chylismia claviformis subsp. aurantiaca
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi south of Ogilby Station by R.R. track
Comment
CAS-BOT-BC167347
Fagonia laevis
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob
Comment
CAS-BOT-BC167351
Fagonia laevis
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob
Comment
CAS-BOT-BC167362
Fagonia laevis
Marcus E. Jones
1926-1-22
s.n.
Imperial
PIlot Knob
Comment
CAS-BOT-BC167691
Petalonyx linearis
Peter H. Raven
1958-5-6
12909
Imperial
3.6 miles west of Winterhaven on United States Highway 80
Comment
CAS-BOT-BC167730
Petalonyx thurberi
H. E. McMinn
1925-6-29
1453
Imperial
4 mi. N.W. of Yuma, Ariz along highway
Comment
CAS-BOT-BC218798
Cryptantha holoptera
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob
Comment
CAS-BOT-BC22396
Ambrosia dumosa
George H. Mallory
1920-5-12
s.n.
Imperial
5 mi south of Ogilby at side of R.R. track near arroyo
Comment
CAS-BOT-BC229303
Abronia villosa
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi south of Ogilby Station by R.R. track in Arroyo
Comment
CAS-BOT-BC271060
Lolium temulentum
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi. south of Ogilby Station at side of R.R. track in arroyo
Comment
CAS-BOT-BC276307
Chaenactis carphoclinia
G. H. Mallory
1920-5-12
s.n.
Imperial
5 miles S of Ogilby Station by railroad track
Comment
CAS-BOT-BC303543
Geraea canescens
G. H. Mallory
1920-5-12
s.n.
Imperial
5 miles S of Ogilby Station by RR track near arroyo
Comment
CAS-BOT-BC327876
Palafoxia arida
Annie M. Alexander; Louise Kellogg
1941-3-3
1889
Imperial
Colorado Desert. 6 miles W of Winterhaven, Yuma road
Comment
CAS-BOT-BC327883
Palafoxia arida
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi S of Ogilby Station at side of R.R. track
Comment
CAS-BOT-BC340944
Psorothamnus spinosus
H. E. McMinn
1925-6-29
1456
Imperial
4 mi. N.W. Yuma, Ariz., Col. Desert
Comment
CAS-BOT-BC427428
Oligomeris linifolia
G. H. Mallory
1920-5-12
s.n.
Imperial
5 mi south of Ogilby at side of R.R. track
Comment
CAS-BOT-BC99662
Baccharis salicifolia
H. E. McMinn
1925-6-29
1468
Imperial
Along the Col. River - 4 mi - N.W. of Yuma
Comment
CDA19625
Chamaesyce polycarpa
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station
0
Comment
CDA19626
Cryptantha racemosa
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station
0
Comment
CDA19627
Geraea canescens
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station
0
Comment
CDA19628
Mentzelia longiloba
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station.
0
Comment Read comments Jan 24 2008
CDA19629
Plantago ovata
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station
0
Comment
CDA19630
Abronia villosa
J. Chesi
1998-2-26
s.n.
Imperial
Winterhaven Agricultural Inspection Station
0
Comment
CDA31550
Bouteloua barbata
J. Chesi
1988-10-17
Imperial
Winterhaven border station
0
Comment
CDA35264
Chamaesyce polycarpa
J. Chesi
1988-11-17
s.n.
Imperial
Winterhaven Border Station.
0
Comment
CDA35291
Ditaxis serrata
Jack Troutwine
1992-7-14
Imperial
Desert range west of Winterhaven.
0
Comment
CDA36688
Mentzelia longiloba
Guy Beevor & J. L. Johnson
1964-3-19
Imperial
1 mile east of Andrade along the Mexican border.
0
Comment Read comments Sep 4 2016
CDA43032
Pennisetum ciliare
Sandra E. - Sara B.
2014-10-6
PDR# 130 P06283559
Imperial
Sleepy Hollow RV Park, 369 Algodones Road, Winterhaven.
0
Comment
GH427283
Palafoxia arida var. gigantea
A. M. Alexander & L. Kellogg
1941-3-3
1889
Unknown
6 miles west of Winterhaven, Yuma Road
Comment
HSC66464
Mentzelia longiloba
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7756
Imperial
Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal.
41
Comment
HSC66465
Panicum urvilleanum
A. P. Romspert, H. Surprenant, Christopher Davidson
1979-4-28
7757
Imperial
Algodones Dunes, Ogilby Rd., 1/8 mi. N of the All American Canal.
41
Comment
HSC66466
Croton wigginsii
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7767
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC66474
Encelia frutescens
A. P. Romspert, Harvey Surprenant
1979-4-28
7788
Imperial
off Interstate 8 on the Sidewinder Rd. ca. 1.5 mi. NW of Pilot Knob
79
Comment
HSC66475
Hilaria rigida
Christopher Davidson, A. P. Romspert, Harvey Surprenant
1979-4-28
7785
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC66554
Tiquilia palmeri
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7783
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC66563
Krameria erecta
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7789
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC80357
Tidestromia suffruticosa var. oblongifolia
R. F. Thorne
1977-11-26
50915
Imperial
N of Pilot Knob near junction of Sidewinder Rd. and Hwy. 18, E of Pilot Knob campground
67
Comment
HSC80367
Chamaesyce polycarpa
R. F. Thorne
1977-11-26
50908
Imperial
N of Pilot Knob near junction of Sidewinder Rd. and Hwy. 18, E of Pilot Knob campground
67
Comment
HSC82750
Asclepias subulata
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7768
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC82751
Larrea tridentata
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7758
Imperial
Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal.
41
Comment
HSC82767
Oenothera deltoides
Christopher Davidson, H. Surprenant, A. P. Romspert
1979-4-28
7741
Imperial
Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal.
41
Comment
HSC82768
Chilopsis linearis
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7747
Imperial
Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal.
41
Comment
HSC82898
Stillingia spinulosa
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7771
Imperial
Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob
79
Comment
HSC82914
Palafoxia arida
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7742
Imperial
Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal
41
Comment
HSC82948
Olneya tesota
A. C. Sanders, K. R. Neisess
1985-4-22
5625
Imperial
S of Cargo Muchacho Mts., 2 mi N of I-8 on Sidewinder Rd
122
Comment
HSC83052
Aristida californica
Christopher Davidson, A. P. Romspert, H. Surprenant
1979-4-28
7760
Imperial
Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca 1/8 mi. from the canal
41
Comment
JEPS101322
Baileya pleniradiata
Dean W. Taylor
1998-5-12
16389
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
JEPS101694
Fagonia laevis
Dean W. Taylor
1998-5-12
16387
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
JEPS101695
Asclepias subulata
Dean W. Taylor
1998-5-12
16385
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
JEPS101831
Krameria grayi
Dean W. Taylor
1998-5-12
16395
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
JEPS101832
Acacia greggii
Dean W. Taylor
1998-5-12
16390
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
JEPS2656
Nama hispida var. revoluta
Jos. Grinnell
1910-5-8
Imperial
Pilot Knob Colorado River; Pilot Knob, Colorado River
Comment
JEPS26719
Mentzelia longiloba
Joseph Grinnell
1910-5-8
Imperial
Pilot Knob, Colorado River.
Comment
JEPS56262
Eriogonum thomasii
W. L. Jepson
1927-4-16
11744
Imperial
sand hills near Pilot Knob
Comment
JEPS89198
Ephedra trifurca
Herbert L. Mason
1957-3-31
14682
Imperial
near Yuma (desert w of sand hills)
Comment
LA205958
Sphaeralcea orcuttii
F. R. Fosberg;
1932-4-9
7763
Imperial
W of Colorado River, across from Yuma, Arizona
Comment
LA206033
Sphaeralcea ambigua
F. R. Fosberg;
1932-4-9
7764
Imperial
W of Colorado River, across from Yuma, Arizona
Comment
LA80915
Petalonyx thurberi subsp. thurberi
Peter H. Raven;
1958-5-8
12909
Imperial
3.6 mi. W of Winterhaven on US Highway 80
Comment
OBI37636
Tidestromia suffruticosa var. oblongifolia
Robert F. Thorne
1977-11-26
50915
Imperial
Colorado Desert: N of Pilot Knob near jctn of Sidewinder Rd and hwy 18, E of Pilot Knob Campground
67
Comment
POM121848
Encelia frutescens
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob.
Comment
POM121852
Encelia farinosa var. farinosa
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob.
Comment
POM122665
Fagonia laevis
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob.
Comment
POM122925
Tiquilia palmeri
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob.
Comment
POM122926
Camissonia cardiophylla
Marcus E. Jones
1926-1-22
s.n.
Imperial
Pilot Knob.
Comment
POM126409
Croton californicus var. mohavensis
Joseph Grinnell
1910-5-10
s.n.
Imperial
Colorado River near Pilot Knob.
Comment
POM128297
Cucurbita palmata
Joseph Grinnell
1910-5-8
s.n.
Imperial
Pilot Knob, Colorado River.
Comment
POM145263
Camissonia pallida subsp. pallida
C. L. Hitchcock
1928-3-17
s.n.
Riverside
15 miles east of Banning.
Comment
POM348729
Prosopis glandulosa var. torreyana
M. B. Dunkle
1935-4-18
4577
Imperial
W of Yuma
46
Comment
POM350341
Baccharis salicifolia
L. H. Jones
1910-5-9
s.n.
Imperial
Sandy second bottom, colorado River at Pilot Knob
Comment
POM356712
Encelia frutescens
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7788
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
POM358649
Geraea canescens
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7769
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
POM362090
Machaeranthera tephrodes
M. B. Dunkle
1935-4-18
4578
Imperial
W of Yuma
46
Comment
POM368176
Cryptantha angustifolia
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7778
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
POM368521
Tiquilia palmeri
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7783
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
POM368526
Tiquilia plicata
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7764
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA0013890
Proboscidea althaeifolia
Robert F. Thorne
1977-11-26
50914
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA135550
Camissonia claviformis subsp. aurantiaca
Peter H. Raven
1958-1-26
11495
Imperial
8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station.
Comment
RSA135551
Camissonia claviformis subsp. aurantiaca
Peter H. Raven
1958-1-26
11495
Imperial
8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station.
Comment
RSA144658
Oenothera deltoides subsp. deltoides
Peter H. Raven
1958-1-26
11509
Imperial
8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station.
Comment
RSA161397
Petalonyx thurberi
H. E. McMinn
1925-6-29
1453
Imperial
4 miles NW of Yuma, Imperial County
Comment
RSA253689
Astragalus magdalenae var. peirsonii
Noel Holmgren, Patricia K. Holmgren
1973-3-28
6538
Imperial
Along Interstate Hwy 8, 9 air miles west of Yuma.
121
Comment
RSA289735
Fouquieria splendens
Lyman Benson
1933-4-1
4219
Imperial
US 80, 5 mile W of Fort Yuma, Yuma Desert
30
Comment
RSA302355
Tidestromia oblongifolia
R. F. Thorne, et al.
1977-11-26
50915
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302357
Palafoxia arida var. arida
R. F. Thorne
1977-11-26
50913
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302358
Dalea mollis
R. F. Thorne
1977-11-26
50912
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302359
Tribulus terrestris
Robert F. Thorne
1977-11-26
50911
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302360
Krameria erecta
Robert F. Thorne
1977-11-26
50910
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302361
Tiquilia palmeri
R. F. Thorne
1977-11-26
50909
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302362
Chamaesyce polycarpa
R. F. Thorne
1977-11-26
50908
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA302363
Eriogonum deflexum var. deflexum
Robert F. Thorne
1977-11-26
50907
Imperial
North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground.
67
Comment
RSA350677
Baileya pleniradiata
L. H. Jones
1910-5-9
s.n.
Imperial
Sandy second bottom, colorado River at Pilot Knob
Comment
RSA363729
Palafoxia arida var. arida
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7786
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA385021
Aristida californica var. californica
Christopher Davidson, Alan Romspert, Robert L. Rutherford
1979-4-28
7760
Imperial
Alogodunes Dunes, dirt track continuation of Ogilby Rd., ca. 1/8 mile from All American Canal.
41
Comment
RSA392650
Chorizanthe corrugata
Christopher Davidson, A. Romspert, H. Surprenant
1979-4-28
7781
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA392743
Chorizanthe rigida
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7766
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA393282
Eriogonum deflexum var. deflexum
Christopher Davidson, A. Romspert, H. Surprenant
1979-4-28
7774
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA394339
Cucurbita palmata
L. H. Jones
1910-9-8
s.n.
Imperial
Pilot Knob at Colorado River.
Comment
RSA401108
Asclepias subulata
Christopher Davidson
1979-4-28
7768
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA402281
Plantago ovata var. fastigiata
Christopher Davidson, A. Romspert, H Surprenant
1979-4-28
7780
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA404192
Dalea mollissima
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7782
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA406381
Lotus strigosus
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7777
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA409436
Krameria erecta
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7789
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA414082
Pleuraphis rigida
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7785
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA416983
Ambrosia dumosa
Christopher Davidson, Alan Romspert
1979-4-28
7784
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA421160
Nama hispida var. revoluta
L. H. Jones
1910-5-8
s.n.
Imperial
Colorado River near Pilot Knob
Comment
RSA421626
Ditaxis serrata
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7762
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA421627
Ditaxis serrata
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7779
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA423478
Achyronychia cooperi
Christopher Davidson
1979-4-28
7775
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob
79
Comment
RSA424945
Eriogonum thomasii
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7776
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA432489A
Chamaesyce polycarpa var. hirtella
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7770
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA432494A
Chamaesyce polycarpa var. hirtella
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7763
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA433874
Malvella leprosa
L. H. Jones
1910-5-11
s.n.
Imperial
second bottom on sandy slope, Colorado River near Pilot Knob
Comment
RSA445153
Petalonyx thurberi
L. H. Jones
1910-5-10
s.n.
Imperial
In sandy valley, Colorado River, near Piolot Knob.
Comment
RSA447301
Sphaeralcea
M. B. Dunkle
1935-4-18
4580
Imperial
W of Yuma
46
Comment
RSA452367
Atriplex canescens
L. H. Jones
1910-5-8
s.n.
Imperial
Colorado River near Pilot Knob
Comment
RSA452368
Atriplex canescens
M. B. Dunkle
1935-4-18
s.n.
Imperial
W of Yuma
46
Comment
RSA457878
Stillingia spinulosa
Alan Romspert, H. Surprenant
1979-4-28
7771
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA472119
Pluchea sericea
L. H. Jones
1910-5-8
s.n.
Imperial
Colorado River near Pilot Knob
Comment
RSA472121
Pluchea sericea
M. B. Dunkle
1935-4-18
4576
Imperial
river Bottom, W of Yuma
46
Comment
RSA479344
Croton californicus var. tenuis
L. H. Jones
1910-5-10
s.n.
Imperial
In sandy valley, Colorado River, near Piolot Knob.
Comment
RSA480696
Croton wigginsii
Christopher Davidson
1979-4-28
7767
Imperial
Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob.
79
Comment
RSA483137
Brassica tournefortii
Christopher Davidson, Alan Romspert, H. Surprenant
1979-4-28
7753
Imperial
Alogodunes Dunes, dirt track continuation of Ogilby Rd., ca. 1/8 mile from All American Canal.
41
Comment
RSA516690
Ephedra trifurca
Jan Gish
1980-3-26
789
Imperial
Transect 2, near Andrade.
43
Comment
RSA516695
Fagonia laevis
E. Lehto
1980-3-17
767
Imperial
Southside of Pilot Knob; north of All American Canal.
73
Comment
RSA516697
Hymenoclea salsola
Jan Gish
1980-3-26
781
Imperial
Transect 2, near Andrade.
43
Comment
RSA53774
Camissonia brevipes subsp. arizonica
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
RSA53778
Eremalche rotundifolia
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
RSA53987
Cistanthe ambigua
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
RSA620647
Dalea mollis
B. Pitzer
1998-2-2
3497
Imperial
extension of Sidewinder Road, S and W of Pilot Knob R.V. park/campground, ca. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, ca. 3.2 road mi. past the R.V. park.
91
Comment
RSA620655
Baileya pleniradiata
B. Pitzer
1998-2-2
3499
Imperial
extension of Sidewinder Road, S and W of Pilot Knob R.V. park/campground, ca. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, ca. 3.2 road mi. past the R.V. park.
91
Comment
SBBG22842
Astragalus crotalariae
D. Myrick
1965-2-26
1039
Imperial
W of Yuma
45
Comment
SBBG35041
Croton californicus
T. L. Secrest
1948-4-8
Imperial
W of Yuma
Comment
SBBG35067
Sphaeralcea emoryi
T. L. Secrest
1948-4-8
Imperial
near Yuma
Comment
SBBG59874
Pholisma sonorae
M. F. Gilman
1928-4-15
Imperial
W of Yuma
Comment
SBBG92156
Prosopis glandulosa var. torreyana
D. F. Howe
1980-4-13
Imperial
Andrade Rd, 3 mi S of Hwy 8
Comment
SD113299
Cryptantha angustifolia
Darley F. Howe
1949-3-19
2060
Imperial
Andrade
Comment
SD113322
Phacelia crenulata var. ambigua
Darley F. Howe
1949-3-19
2064
Imperial
Andrade
Comment
SD125142
Mentzelia longiloba var. longiloba
Steven P. McLaughlin, Janice E. Bowers
1985-3-10
2955
Imperial
In sandy soil, along frontage road north of I-8, just west of Andrade exit.
60
Comment
SD125174
Tiquilia palmeri
Steven P. McLaughlin, Janice E. Bowers
1985-3-10
2956
Imperial
North of I-8, west of Andrade Exit.
Comment
SD125187
Lycium torreyi
Steven P. McLaughlin, Janice E. Bowers
1985-3-10
2952
Imperial
1.0 mile northeast of Andrade, along Colorado River. (IPB 10/07)
45
Comment
SD128671
Parkinsonia florida
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
SD128673
Prosopis glandulosa var. torreyana
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
SD128684
Sphaeralcea emoryi
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
SD128698
Asclepias subulata
Darley F. Howe
1980-4-13
Imperial
1 mile west of agricultural inspection station on Highway 8
Comment
SD128763
Pluchea sericea
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
SD143848
Phacelia crenulata var. ambigua
G. K. Helmkamp, E. Helmkamp
1998-1-24
2593
Imperial
Gravel road south of Highway I-8; rocky hills at west edge of Fort Yuma Indian Reservation.
60
Comment
SD143958
Achyronychia cooperi
G. K. Helmkamp, E. Helmkamp
1998-1-24
2591
Imperial
Along US Hwy 186, 1.6 miles northeast of the Mexican border and Andrade
60
Comment
SD144115
Hilaria rigida
G. K. Helmkamp, E. Helmkamp
1998-1-24
Imperial
Gravel Rd S of Hwy I-8. Rocky hills at W edge of Fort Yuma Indian Reservation
60
Comment
SD185199
Ditaxis neomexicana
B. G. Pitzer
1998-2-2
3508
Imperial
Extension of Sidewinder Road, south and west of Pilot Knob RV park.
60
Comment
SD250393
Ephedra trifurca
B. Pitzer
1998-2-2
3506
Imperial
Colorado Desert: Extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1.0 mile (air) SW of Pilot Knop, on and adjacent to N berm of All-America Canal, ca. 3.2 rd mi. past the RV Park.
91
Comment
SD250414
Sorghum halepense
B. Pitzer
1998-2-2
3517
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on $ adjacent to N berm of All-America Canal, ca. 2.6 road miles past the RV park.
91
Comment
SD250434
Baileya pleniradiata
B. Pitzer
1998-2-2
3499
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob, on adjacent to N berm of All-American Canal, ca. 3.2 rd miles past the RV park.
91
Comment
SD250450
Palafoxia arida
B. Pitzer
1998-2-2
3500
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Know RV park/campground, ca. 1 mile (air) SW of Pilot Know, on & adjacent to N berm of All-American Canal, ca. 3.2 road miles past the RV park.
91
Comment
SD250490
Croton californicus
B. Pitzer
1998-2-2
3510
Imperial
Colorado Desert: extension of Sidwinder Road, S & W of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 rd miles past the RV park.
91
Comment
SD250496
Dalea mollis
B. Pitzer
1998-2-2
3497
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 road miles past the RV park.
91
Comment
SD250500
Nama hispida
B. Pitzer
1998-2-2
3514
Imperial
Colorado Desert: extension of Sidwinder Road, S & W of PilotKnob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on & adjacent to N berb of All-America Canal, ca. 3.2 road miles past the RV park.
91
Comment
SD250510
Chylismia claviformis subsp. aurantiaca
B. Pitzer
1998-2-2
3498
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 air mile SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 road miles past the RV park.
91
Comment
SD250526
Aphyllon cooperi subsp. cooperi
B. Pitzer
1998-2-2
3507
Imperial
Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob, on and adjacent to N berm of All-American Canal, ca. 3.2 rd miles past the RV park.
91
Comment
SD43745
Chorizanthe rigida
Darley F. Howe
1949-3-19
1955
Imperial
Andrade
Comment
SD43746
Calandrinia ambigua
Darley F. Howe
1949-3-19
1956
Imperial
Andrade
Comment
SD43748
Eremalche rotundifolia
Darley F. Howe
1949-3-19
1971
Imperial
Andrade.
Comment
SD43754
Chylismia brevipes subsp. arizonica
Darley F. Howe
1949-3-19
1946
Imperial
Andrade
Comment
SD43766
Chylismia claviformis subsp. aurantiaca
Darley F. Howe
1949-3-19
1977
Imperial
Andrade.
Comment
SD44158
Langloisia setosissima subsp. setosissima
Darley F. Howe
1950-3-19
2072
Imperial
Andrade
Comment
SDSU3127
Langloisia setosissima
D. F. Howe
1949-3-10
2072
Imperial
Andrade, Imperial County.
40
Comment
SDSU4930
Chorizanthe rigida
D. F. Howe
1949-3-10
1955
Imperial
Andrade.
Comment
SDSU8130
Eremalche rotundifolia
D. F. Howe
1949-5-19
1971
Imperial
Andrade, Imperial Co.
Comment
SDSU8594
Chylismia claviformis subsp. yumae
D. F. Howe
1949-3-19
1977
Imperial
Andrade, Imperial Co.
Comment
SDSU8599
Chylismia brevipes subsp. arizonica
D. F. Howe
1949-3-19
1946
Imperial
Andrade, Imperial Co.
Comment
SDSU9747
Cistanthe ambigua
D. F. Howe
1949-5-19
1956
Imperial
Andrade, Imperial Co.
40
Comment
SEINET286839
Croton wigginsii
T. R. Van Devender, M. A. Dimmitt, J. J. Sanchez E.
2002-7-15
2002 -473
Unknown
Ogilby Road, east side of Imperial (Algodones) Dunes, south of I.H. 8, west of Winterhaven, Imperial Sand Dunes Recreation Lands. Imperial County. 32 deg. 43'50 N, 114 deg. 45' W; 55 m.s.n.m.
Comment Read comments Jan 7 2016
SEINET288360
Atriplex linearis
T. R. Van Devender, M. A. Dimmitt, J. J. Sanchez E.
2002-7-15
2002 -472
Unknown
Ogilby Road, east side of Imperial (Algodones) Dunes, south of I.H. 8, west of Winterhaven, Imperial Sand Dunes Recreation Lands. Imperial County. 32 deg. 43'50 N, 114 deg. 45' W; 55 m.s.n.m.
Comment Read comments Jan 7 2016
SEINET3074405
Oligomeris linifolia
Norman C. Cooper
1949-3-15
3038
Imperial
West of Yuma.
240
Comment
SEINET4035761
Lupinus concinnus
P. J. Knight
1979-1
630
Imperial
Highway 8, 5 miles west of Yuma.
Comment
SEINET889858
Mentzelia longiloba
Steven P. MacLaughlin, Janice E. Bowers
1985-1
2955
Imperial
Along frontage rd. N of I-8, just W of Andrade exit
60
Comment
SEINET889860
Mentzelia longiloba var. longiloba
Steven P. McLaughlin
1986-1
3136
Imperial
along frontage road north of I-8
91
Comment
SEINET893729
Abronia villosa
Steven P. MacLaughlin, Janice E. Bowers
1985-1
2945
Imperial
Jct. of frontage road and Sidewinder Road.
91
Comment
SEINET898350
Astragalus nuttallianus
Steven P. MacLaughlin, Janice E. Bowers
1985-1
2943
Imperial
Jct. Sidewinder Rd. and I-8.
76
Comment
SEINET9253080
Croton californicus
Jan Gish
1980-3-26
777
Imperial
Transect 2, near Andrade. T16S R21E S35 SW4 of NE4. Colorado River floodplain.
43
Comment
UC1093646
Ephedra trifurca
Herbert L. Mason
1957-3-31
14683
Imperial
near Yuma (desert w of the sand hills)
Comment
UC1093647
Ephedra trifurca
Herbert L. Mason
1957-3-31
14682
Imperial
near Yuma (desrt w of the sand hills)
Comment
UC1184428
Chylismia claviformis subsp. aurantiaca
Peter H. Raven
1958-1-26
11495
Imperial
0.9 mi w State Inspection Station (8.3 mi w of Winterhaven)
Comment
UC1531099
Palafoxia arida var. arida
Robert F. Thorne et al.
1977-11-26
50913
Imperial
n Pilot Knob (neat junction of Sidewinder Rd. and Hwy I-8, e of Pilot Knob Camprground); Colorado Desert
67
Comment
UC1735829
Cynodon dactylon
Dean W. Taylor
1998-5-12
16384
Imperial
vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation
85
Comment
UC1746487
Palafoxia arida var. gigantea
J. Latting
1977-12-11
Imperial
E side of Algodones Sand Dunes; Sonoran desert, Pilot Knob Mesa
69
Comment
UC1765899
Ditaxis neomexicana
Jan Gish
1980-3-26
776
Imperial
Transect 2, near Andrade.
42
Comment
UC195033
Mentzelia longiloba
Joseph Grinnell
1910-5-8
Imperial
Colorado River, Pilot Knob
Comment
UC196587
Petalonyx thurberi subsp. thurberi
Joseph Grinnell
1910-5-10
San Bernardino
Colorado R. near Pilot Knob; Colorado R.
Comment Read comments Jan 8 2013
UC196599
Nama hispida var. spathulata
Joseph Grinnell
1910-5-8
Imperial
Colorado River at Pilot Knob Pilot Knob; Colorado River
Comment
UC469070
Baccharis salicifolia subsp. salicifolia
Joseph Grinnell
1910-5-9
San Bernardino
near Pilot Knob (Colorado River); Colorado River
Comment Read comments Jan 8 2013
UC472192
Baileya pleniradiata
Joseph Grinnell
1910-5-8
Imperial
Colorado River, Pilot Knob
Comment
UC472286
Ambrosia dumosa
Joseph Grinnell
1910-5-10
San Bernardino
near, (in dry sandy valleys, Colorado River) Pilot Knob; Colorado River
Comment Read comments Jan 8 2013
UC57360
Sesbania herbacea
William H. Holabird
1903-1
Imperial
below Yuma
Comment
UC669208
Psorothamnus emoryi
Annie M. Alexander and Louise Kellogg
1941-3-13
1932
Imperial
w Yuma; w of Yuma
Comment
UC669210
Astragalus magdalenae var. peirsonii
Annie M. Alexander and Louise Kellogg
1941-3-14
1937
Imperial
w Yuma (Colorado Desert); , w of Yuma
Comment
UC669219
Palafoxia arida var. gigantea
Annie M. Alexander and Louise Kellogg
1941-3-3
1889
Imperial
Yuma road 6 mi w Winterhaven; Colorado Desert
Comment
UC669226
Dieteria asteroides var. asteroides
Annie M. Alexander and Louise Kellogg
1941-3-11
1925
Imperial
5 mi w Yuma; Colorado Desert, Chocolate Mountains
Comment
UC669227
Astragalus magdalenae var. peirsonii
Annie M. Alexander and Louise Kellogg
1941-3-14
1937 a
Imperial
w Yuma (Colorado Desert); , w of Yuma
Comment
UCD104684
Astragalus crotalariae
Donald Myrick
1965-2-26
1039
Imperial
Desert west of Yuma.
45
Comment
UCD170878
Dalea mollis
B. Pitzer
1998-2-2
3497
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park.
91
Comment
UCR101358
Geraea canescens
B. G. Pitzer
1998-2-2
3501
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101681
Hesperocallis undulata
B. G. Pitzer
1998-2-2
3515
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101682
Sorghum halepense
B. G. Pitzer
1998-2-2
3517
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101684
Baileya pleniradiata
B. G. Pitzer
1998-2-2
3499
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101688
Helianthus annuus
B. G. Pitzer
1998-2-2
3516
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101690
Palafoxia arida
B. G. Pitzer
1998-2-2
3500
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101695
Dithyrea californica
B. G. Pitzer
1998-2-2
3511
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101698
Achyronychia cooperi
B. G. Pitzer
1998-2-2
3503
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101701
Croton wigginsii
B. G. Pitzer
1998-2-2
3510
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101702
Stillingia spinulosa
B. G. Pitzer
1998-2-2
3509
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101703
Dalea mollis
B. G. Pitzer
1998-2-2
3497
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101704
Dalea mollissima
B. G. Pitzer
1998-2-2
3513
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101714
Mentzelia longiloba var. longiloba
B. G. Pitzer
1998-2-2
3502
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101717
Camissonia claviformis
B. G. Pitzer
1998-2-2
3498
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101719
Oenothera primiveris
B. G. Pitzer
1998-2-2
3496
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR101724
Oligomeris linifolia
B. G. Pitzer
1998-2-2
3504
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR102690
Ephedra trifurca
B. G. Pitzer
1998-2-2
3506
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR102691
Orobanche cooperi
B. G. Pitzer
1998-2-2
3507
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR102692
Nama hispida
B. G. Pitzer
1998-2-2
3514
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR103360
Abronia villosa
George K. Helmkamp, E. Helmkamp
1998-1-24
2590
Imperial
Sonoran (Colorado) Desert, Along Hwy US-186, 1.6 mi. NE of the Mexican Border & Andrade.
61
Comment
UCR117229
Parkinsonia florida
B. G. Pitzer
1998-2-2
3512
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR120507
Abronia villosa var. villosa
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6272
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120519
Baileya pleniradiata
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6276
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120520
Phacelia crenulata var. ambigua
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6277
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120521
Langloisia setosissima subsp. setosissima
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6278
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120522
Eschscholzia minutiflora
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6279
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120523
Cryptantha angustifolia
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6273
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120524
Dithyrea californica
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6274
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120525
Achyronychia cooperi
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6275
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR120531
Palafoxia arida var. arida
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6271
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR121153
Nama hispida
George K. Helmkamp, E. A. Helmkamp
2001-3-17
6270
Imperial
Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd.
76
Comment
UCR163737
Baileya pauciradiata
B. G. Pitzer, G. R. Ballmer
2001-3-17
4269 B
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163739
Dithyrea californica
B. G. Pitzer, G. R. Ballmer
2001-3-17
4272
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163740
Abronia villosa
B. G. Pitzer, G. R. Ballmer
2001-3-17
4273
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163741
Plantago ovata
B. G. Pitzer, G. R. Ballmer
2001-3-17
4271
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163742
Palafoxia arida var. arida
B. G. Pitzer, G. R. Ballmer
2001-3-17
4270
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163743
Baileya pleniradiata
B. G. Pitzer, G. R. Ballmer
2001-3-17
4269
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163744
Mentzelia longiloba var. longiloba
B. G. Pitzer, G. R. Ballmer
2001-3-17
4268
Imperial
Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8
88
Comment
UCR163961
Ditaxis neomexicana
B. G. Pitzer
1998-2-2
3508
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR163972
Chenopodium murale
B. G. Pitzer
1998-2-2
3505
Imperial
Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park
61
Comment
UCR61923
Sphaeralcea emoryi
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
UCR61925
Pluchea sericea
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
UCR61926
Parkinsonia florida
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
UCSB52636
Tiquilia palmeri
Thorne, Robert
1977-11-26
Imperial
Colorado Desert: North of Pilot Knob; near jct. of Sidewinder Rd. and Hwy. 18; east of Pilot Knob Campground
67
Comment