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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CSUSB1080
Abronia villosa
Susan Larisch
1963-2-22
San Bernardino
8 miles west of 29 Palms.
Comment
RSA167688
Abronia villosa
Robert F. Thorne
1964-5-3
34002
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment Read comments Apr 24 2011
SEINET893753
Abronia villosa
David M. Brandenburg, John E. Thieret
1982-1
53102 -d
San Bernardino
Mohave Desert ca. 5 miles east of Joshua Tree.
Comment
RSA0045335
Abronia villosa var. villosa
Jim Andre
2014-3-9
27166
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
UCR268874
Abronia villosa var. villosa
Jim Andre
2014-3-9
27166
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
CSUSB1603
Acacia greggii
Ed Francisco
1972-7-6
San Bernardino
East Joshua
1158
Comment Read comments Oct 22 2014
RSA730072
Achnatherum coronatum
R. G. Swinney, D. W. Larson
1999-5-29
7220
Los Angeles
San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork
Comment
CAS-BOT-BC22541
Adenophyllum cooperi
Frank W. Peirson
1928-4-26
7926
San Bernardino
10 miles W of Twenty-nine Palms
Comment
SD224836
Adenophyllum cooperi
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2832
San Bernardino
50 ft. N of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree).
883
Comment
RSA729576
Ageratina adenophora
R. G. Swinney, D. W. Larson
1999-5-15
7180
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
RSA729968
Ageratina adenophora
R. G. Swinney, D. W. Larson
1999-5-29
7228
Los Angeles
San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork
Comment
SEINET12764898
Amaranthus fimbriatus
M. A. 'Ben' Franklin, J. Chandler
1987-12-1
5697
San Bernardino
1 mi due ESE of Joshua Tree.; 0
853
Comment
UCR175228
Ambrosia salsola var. fasciculata
Jim Andre
2006-4-6
6724
San Bernardino
Southern Mojave Desert, Joshua Tree National Park: c. 4 mi SE of the town of Joshua Tree, and 0.5 mi west of Sunfair Dr. at N boundary of the park
860
Comment
UCR102973
Amsinckia tessellata
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2820
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA0045336
Amsinckia tessellata var. tessellata
Jim Andre
2014-3-9
27163
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
RSA167681A
Anisocoma acaulis
R. F. Thorne
1964-5-3
33854
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA743820
Anisocoma acaulis
Sarah J. De Groot, J. Mark Porter
2005-3-9
4767
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
SD224822
Anisocoma acaulis
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2831
San Bernardino
50 ft. N of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town Joshua Tree)
883
Comment
UCR104052
Anisocoma acaulis
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2831
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA729188
Anthriscus caucalis
R. G. Swinney, D. W. Larson
1999-5-15
7183
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment Read comments Sep 16 2020
RSA730254
Aralia californica
R. G. Swinney
1999-6-25
7417
Los Angeles
San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat
1280
Comment
SEINET3918908
Aristida adscensionis
M. A. 'Ben' Franklin, J. Chandler
1987-12-1
5696
San Bernardino
1 mi due ESE of Joshua Tree.; 0
853
Comment Read comments Sep 2 2015
RSA0027561
Asclepias erosa
April Garbat, Kristin Forgrave
2013-7-31
95
San Bernardino
Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 E for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725.
731
Comment
SBBG68194
Astragalus layneae
S. W. Hutchinson
-Jun-1927
562
San Bernardino
Twentynine Palms to Morongo
609
Comment
RSA760065
Astragalus lentiginosus var. fremontii
Gregory Pongetti
2005-4-3
5 -1
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
CAS-BOT-BC334470
Astragalus lentiginosus var. variabilis
Robert F. Thorne
1964-5-3
33997
San Bernardino
5 miles E and ca 1 mile N of road to Twentynine Palms
Comment
RSA751023
Astragalus lentiginosus var. variabilis
Robert F. Thorne
1964-5-3
33997
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment Read comments Apr 24 2011
RSA800135
Astragalus lentiginosus var. variabilis
Robert F. Thorne
1964-5-3
33997
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment
RSA0027569
Atriplex polycarpa
April Garbat, Kristin Forgrave
2013-7-31
93 -A
San Bernardino
Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 E for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725.
731
Comment
RSA817498
Atriplex polycarpa
April Garbat, Kristin Forgrave
2013-7-31
93
San Bernardino
Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 E for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725.
731
Comment
SEINET8062488
Atriplex polycarpa
April Garbat, Kristin Forgrave
2013-7-31
93 A
San Bernardino
Mojave Desert; West Mojave Desert region: Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725.
731
Comment
CAS-BOT-BC106587
Baileya pleniradiata
Annie M. Alexander; Louise Kellogg
1940-3-23
929
San Bernardino
Mojave Desert, 9 miles west of Twenty Nine Palms
Comment
RSA0045337
Baileya pleniradiata
Jim Andre
2014-3-9
27161
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
RSA167668
Baileya pleniradiata
R. F. Thorne
1964-5-3
33989
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UC922696
Baileya pleniradiata
Annie M. Alexander and Louise Kellogg
1940-3-23
929
San Bernardino
9 mi w of Twenty Nine Palms
Comment
UC922766
Baileya pleniradiata
Annie M. Alexander and Louise Kellogg
1940-3-23
930
San Bernardino
9 mi w of Twenty Nine Palms; Mohave Desert
Comment
UCR268878
Baileya pleniradiata
Jim Andre
2014-3-9
27161
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
POM187840
Boerhavia triquetra
E. C. Jaeger
1931-9-12
s.n.
San Bernardino
Coyote Wells near Keyes Ranch, Little San Bernardino Mts.
Comment Read comments Nov 6 2011
UCR160898
Boerhavia triquetra
David Charlton
2005-8-11
s.n.
San Bernardino
Mojave Desert, town of Joshua Tree, 5 acre parcel at SE corner of Rice Ave. and Chickasaw Rd., 2 blocks south of Hwy 62
823
Comment
SEINET1909219
Boraginaceae
Sarah J. De Groot, J. Mark Porter
2005-1
4771
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway
794
Comment
RSA729344
Boykinia rotundifolia
R. G. Swinney, D. W. Larson
1999-6-25
7401
Los Angeles
San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon
1159
Comment
RSA729193
Bromus diandrus
R. G. Swinney
1999-5-15
7165
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
RSA729195
Bromus madritensis
R. G. Swinney
1999-5-15
7158
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
UCR248799
Caesalpinia gilliesii
Mark A. Elvin, Michael Glenn
2011-6-21
6758
San Bernardino
South-central Mojave Desert, Joshua Tree, along 29 Palms Hwy (Hwy 62), between Center and Rice avenues, N of Hwy 62 and south of Pipeline Road
799
Comment
UCR102974
Calyptridium monandrum
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2818
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA760066
Camissonia brevipes
Gregory Pongetti
2005-4-3
5 -May
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarisk tree at intersection of Sunfair and dirt road.
Comment
SEINET12784748
Camissonia campestris
G. Rink, A. Karl
2015-4-10
13085
San Bernardino
old Joshua Tree airstrip site
747
Comment
UCR268879
Camissonia campestris
Jim Andre
2014-3-9
27160
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
RSA176313
Camissonia campestris subsp. campestris
Robert F. Thorne
1964-5-3
33973
San Bernardino
ca 3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
CSUSB194
Camissonia claviformis
Fred Zaebst
1959-3-13
San Bernardino
10.2 miles west of 29 Palms, on 29 Palms Highway, at power pole.
Comment
SEINET2066051
Camissonia claviformis
John Wear
2004-3-14
s.n.
San Bernardino
Southern Majave Desert. SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., S of Hwy 62 (Joshua Tree North 7.5Q.
807
Comment
UCR176940
Camissonia claviformis
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
UCR104863
Camissonia claviformis subsp. claviformis
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2867
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA176316
Camissonia pallida subsp. pallida
Robert F. Thorne
1964-5-3
33983
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UC922684
Camissoniopsis pallida subsp. pallida
Annie M. Alexander and Louise Kellogg
1940-3-23
926
San Bernardino
nine mi w Twenty Nine Palms; Mohave Desert
Comment
RSA729194
Carduus pycnocephalus
R. G. Swinney
1999-5-15
7160
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
RSA730084
Carex pellita
R. G. Swinney, D. W. Larson
1999-5-29
7236
Los Angeles
lower East Fork San Dimas Canyon.
573
Comment Read comments Sep 30 2018
RSA743822
Caulanthus cooperi
Sarah J. De Groot, J. Mark Porter
2005-3-9
4769
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
SD204845
Caulanthus cooperi
Sarah J. De Groot, J. Mark Porter
2005-3-9
4769
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
SEINET1909213
Caulanthus cooperi
Sarah J. De Groot, J. Mark Porter
2005-1
4769
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
SEINET3507580
Caulanthus cooperi
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert: SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., S of Hwy 62 (Joshua Tree North 7.5' Q.)
808
Comment
UCR102991
Caulanthus cooperi
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2840
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR176944
Caulanthus cooperi
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
RSA752769
Caulanthus major
Justin M. Wood, Dustin Ray
2009-6-30
1015
San Bernardino
Ridgeline W of Onyx Summit. Accessed via 4wd trail 0.5 miles N of summit. Ridgeline continues W approx. 2 miles from summit.
2744
Comment Read comments Jun 4 2016
RSA176332
Chaenactis fremontii
R. F. Thorne
1964-5-3
33986
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA176333
Chaenactis fremontii
R. F. Thorne
1964-5-3
33853 a
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA178078
Chaenactis fremontii
R. F. Thorne
1964-5-3
33986
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA760069
Chaenactis fremontii
Gregory Pongetti
2005-4-3
5 -4
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
UCR102971
Chaenactis fremontii
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2823
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR176942
Chaenactis fremontii
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
RSA248047
Chorizanthe brevicornu var. brevicornu
Robert F. Thorne, C. W. Tilforth
1973-5-30
43586
San Bernardino
1 mile E of Joshua Tree
838
Comment
RSA31354
Chrysothamnus teretifolius
Joseph A. Ewan
1933-2-19
10846
San Bernardino
Canyon shore Coyote Well, Little, San Bernardino Mts
Comment
SD225042
Chylismia claviformis subsp. claviformis
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2867
San Bernardino
50 ft. N of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
883
Comment
RSA729574
Claytonia perfoliata
R. G. Swinney, D. W. Larson
1999-5-15
7181
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
HSC28417
Coreopsis bigelovii
Richard Spjut
1973-4-5
3253
San Bernardino
Mojave Desert; along Hwy. 62 between Joshua Tree and Yucca Valley
915
Comment
UCR104042
Coreopsis bigelovii
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2830
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA176321
Coreopsis californica
R. F. Thorne
1964-5-3
33993
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms
Comment
JEPS33616
Coreopsis californica var. californica
W. L. Jepson
1928-4-26
12634
San Bernardino
w of Twenty-nine Palms (Coyote Holes); Mohave Desert, Coyote Holes
762
Comment
RSA743821
Coreopsis californica var. californica
Sarah J. De Groot, J. Mark Porter
2005-3-9
4768
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
RSA760047
Coreopsis californica var. californica
Gregory Pongetti
2005-4-3
5 -17
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
SEINET1909209
Coreopsis californica var. californica
Sarah J. De Groot, J. Mark Porter
2005-1
4768
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
UCR102970
Cryptantha barbigera
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2824
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR103324
Cryptantha circumscissa
George K. Helmkamp
1998-3-30
3056
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
UCR268877
Cryptantha circumscissa var. circumscissa
Jim Andre
2014-3-9
27162
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
RSA191618
Cryptantha circumscissa var. hispida
R. F. Thorne
1964-5-3
33987
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCR103314
Cryptantha micrantha
George K. Helmkamp
1998-3-30
3055
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
SD224879
Cryptantha pterocarya var. pterocarya
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2838
San Bernardino
50 ft. N of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree).
883
Comment
UCR104864
Cryptantha pterocarya var. pterocarya
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2838
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR176941
Cryptantha pterocarya var. pterocarya
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
JOTR29556
Cryptantha racemosa
Andre, Jim
2006-4-6
6722
San Bernardino
Joshua Tree National Park. Aprroximately 4 mi. SE of town of Joshua Tree, 0.5 mi W of Sunfair Dr at N boundary of park.
860
Comment
JOTR32885
Cryptantha utahensis
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3039
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrops east of main wash
901
Comment
RSA459635
Cylindropuntia echinocarpa
Frits Zeylemaker
1979-11-12
s.n.
San Bernardino
South High Desert, south of highway 62 near Joshua Tree, White Feather Road behind Hospital High Desert Medical Center.
Comment
UCR168311
Cylindropuntia ramosissima
Frits Zeylemaker
1979-11-12
s.n.
San Bernardino
Southern Mojave Desert, south of Highway 62 near Joshua Tree, White Feather Road behind High Desert Medical Center
793
Comment
JEPS24548
Cynanchum utahense
W. L. Jepson
1914-5-15
5966
San Bernardino
e Warrens Well; Colorado Desert, Coyote Holes
762
Comment
RSA248046
Cynanchum utahense
R. F. Thorne, Tilforth
1973-5-30
43585
San Bernardino
1 mile E of Joshua Tree
838
Comment
SEINET12784751
Cynanchum utahense
G. Rink, A. Karl
2015-4-11
13088
San Bernardino
old Joshua Tree airstrip site
747
Comment
UCR160899
Cynanchum utahense
David Charlton
2005-8-11
s.n.
San Bernardino
Mojave Desert, town of Joshua Tree, 5 acre parcel at SE corner of Rice Ave. and Chickasaw Rd., 2 blocks south of Hwy 62
823
Comment
RSA754200
Cyperus eragrostis
Ellen Mackey, Blake Whittiington
2006-10-11
NFWF- 1798
Los Angeles
edge of San Dimas Creek along trail next to the gate
454
Comment
RSA342514
Delphinium parishii
Robert F. Thorne
1964-5-3
33985
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
CLARK-A1528-3859
Delphinium parishii subsp. parishii
John C. Roos
1937-4-23
541
San Bernardino
Twentynine Palms
Comment
UCR102968
Descurainia pinnata
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2826
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR176943
Descurainia pinnata
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
SD143930
Ditaxis neomexicana
G. K. Helmkamp
1998-3-30
3053
San Bernardino
Mojave desert, east of the town of Joshua Tree & south of Copper Mountain, 0.4 miles east of the south end of Kerr Road near Joshua Tree National Park
883
Comment
UCD142305
Ditaxis neomexicana
G. K. Helmkamp
1998-3-30
3053
San Bernardino
Mojave Desert; E of town of Joshua Tree and S of Copper Mtn.; 0.4 mi. E of the S end of Kerr Rd. near Joshua Tree National Park.
884
Comment
UCR102959
Ditaxis neomexicana
George K. Helmkamp
1998-3-30
3053
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
A379153
Dithyrea californica
H. U. Stauffer & R. F. Thorne
1964-5-5
5927
Unknown
8 km east/northeast of Joshua Tree, 1.6 km north of road from Joshua Tree to Twentynine Palms
Comment
CSUSB518
Dithyrea californica
F. Zaebst
1959-3-13
S. N.
San Bernardino
10.2 miles west of 29 Palms on 29 Palms Highway, at power pole #22788CWT
Comment
RSA188728
Dithyrea californica
H. U. Stauffer, R. F. Thorne
1964-5-5
5927
San Bernardino
3km E/ NE of Joshua Tree. 1.6 kim N of road from Joshua Tree to 29 Palms
229
Comment
UCR104823
Dyssodia cooperi
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2832
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA729971
Elymus stebbinsii
R. G. Swinney
1999-5-29
7211
Los Angeles
San Gabriel Mtns.: San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon
537
Comment
RSA760045
Emmenanthe penduliflora
Gregory Pongetti
2005-4-3
15 -May
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
UCR102988
Emmenanthe penduliflora
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2835
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
JOTR29567
Ephedra californica
Andre, Jim
2006-4-6
6720
San Bernardino
Joshua Tree National Park. 4 mi. SE of town of Joshua Tree, 0.5 mi. W. of Sunfair Dr. at N. boundary of park
860
Comment
JOTR29568
Ephedra californica
Andre, Jim
2006-4-6
6719
San Bernardino
Joshua Tree National Park. 4 mi. SE of town of Joshua Tree, 0.5 mi. W. of Sunfair Dr. at N. boundary of park
860
Comment
POM10128
Ephedra californica
Philip A. Munz
1921-5-1
4548
San Bernardino
10 miles west of '29 Palms'. Dry sandy wash
1067
Comment
RSA696371
Ephedra californica
Keith E. Hoffmaster
1936-11-15
s.n.
San Bernardino
Near 29 Palms (8 Miles West)
Comment
RSA0045339
Eremalche exilis
Jim Andre
2014-3-9
27156
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
UCR268882
Eremalche exilis
Jim Andre
2014-3-9
27156
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
CLARK-A1528-703
Eriastrum eremicum
C. M. Flanagan
1971-5-23
San Bernardino
Comment
RSA171088
Eriastrum eremicum
R. F. Thorne
1964-5-3
33982
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCD118277
Eriastrum eremicum subsp. eremicum
Robert F. Thorne
1964-5-3
33982
San Bernardino
3 miles east of Joshua Tree off road to Twentynine Palms.
Comment
RSA334163
Eriastrum wilcoxii
R. F. Thorne, C. W. Tilforth
1973-5-30
43593
San Bernardino
1 mile E of Joshua Tree
838
Comment
RSA167662
Eriogonum inflatum var. inflatum
Robert F. Thorne
1964-5-3
33855
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA176327
Eriogonum maculatum
Robert F. Thorne
1964-5-3
33856
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA248053
Eriogonum maculatum
Robert F. Thorne, C. W. Tilforth
1973-5-30
43589
San Bernardino
1 mile E of Joshua Tree
838
Comment
RSA248039
Eriogonum nidularium
Robert F. Thorne, C. W. Tilforth
1973-5-30
43588
San Bernardino
1 mile E of Joshua Tree
838
Comment
RSA171072
Eriogonum pusillum
Robert F. Thorne
1964-5-3
33858
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UC1348923
Eriogonum pusillum
Robert F. Thorne
1964-5-3
33858
San Bernardino
3 mi e off road to Twentynine Palms Joshua Tree
Comment
RSA171070
Eriogonum reniforme
Robert F. Thorne
1964-5-3
34003
San Bernardino
ca. 4 miles NE of Joshua Tree.
Comment
RSA248038
Eriogonum reniforme
Robert F. Thorne, C. W. Tilforth
1973-5-30
43587
San Bernardino
1 mile E of Joshua Tree
838
Comment
UC1348922
Eriogonum reniforme
Robert F. Thorne
1964-5-3
34003
San Bernardino
ca. 4 mi ne Joshua Tree
Comment
RSA171069
Eriogonum trichopes
Robert F. Thorne
1964-5-3
33857
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA248037
Eriogonum trichopes
Robert F. Thorne, C. W. Tilforth
1973-5-30
43590
San Bernardino
1 mile E of Joshua Tree
838
Comment
CAS-BOT-BC301890
Eriophyllum pringlei
Annie M. Alexander; Louise Kellogg
1940-3-23
871
San Bernardino
Mohave Desert. Nine miles west of Twenty Nine [Twentynine] Palms
640
Comment
JOTR32884
Eriophyllum pringlei
La Doux, Tasha, B. Truesdell, E. Babich, J. Van Warmerdam
2008-4-1
3038
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrops east of main wash
901
Comment
RSA191606
Eriophyllum pringlei
R. F. Thorne
1964-5-3
33979
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UC922672
Eriophyllum pringlei
Annie M. Alexander and Louise Kellogg
1940-5-23
871
San Bernardino
9 mi w Twenty Nine Palms; Mohave Desert
640
Comment Read comments Oct 8 2013
UCR102989
Eriophyllum pringlei
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2837
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA760043
Eriophyllum wallacei
Gregory Pongetti
2005-4-3
5 -13
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
UCR102954
Eriophyllum wallacei
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2836
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR102986
Eschscholzia glyptosperma
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2833
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
JOTR32883
Eschscholzia minutiflora
La Doux, Tasha, B. Truesdell, E. Babich, J. Van Warmerdam
2008-4-1
3037
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrop east of main wash
895
Comment
RSA167764
Eschscholzia minutiflora
Robert F. Thorne
1964-5-3
33978
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA760067
Eschscholzia minutiflora
Gregory Pongetti
2005-4-3
8 -May
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarisk tree at intersection of Sunfair and dirt road.
Comment
UCR102987
Eschscholzia minutiflora
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2834
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
JOTR32890
Eucrypta chrysanthemifolia var. bipinnatifida
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3044
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
JOTR32891
Eucrypta chrysanthemifolia var. bipinnatifida
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3044
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
UCR118788
Filago depressa
George K. Helmkamp
1998-3-30
3057
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
SD167302
Funastrum utahense
David Charlton
2005-8-11
San Bernardino
Joshua Tree, 5 acre parcel at southeast corner of Rice Ave. and Chickasaw Road, 2 blocks south of Highway 62.
822
Comment
JOTR32881
Galium munzii
La Doux, Tasha, B. Truesdell, E. Babich, J. Van Warmerdam
2008-4-1
3035
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrop east of main wash
895
Comment
RSA729575
Gamochaeta pensylvanica
R. G. Swinney, D. W. Larson
1999-5-15
7164
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
JOTR32886
Gilia clokeyi
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3040
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrops east of main wash
901
Comment
RSA705435
Gilia diegensis
J. Mark Porter, Sarah J. De Groot
2005-3-9
14253
San Bernardino
S of State Route 62, at the base of a boulder outcrop of granite, just E of Joshua Tree.
794
Comment
SD231378
Gilia diegensis
J. Mark Porter, Sarah DeGroot
2005-3-9
14253
San Bernardino
South of State Route 62, at the base of a boulder outcrop of granite, just east of Joshua Tree.
794
Comment
JEPS20156
Gilia maculata
J. Keck
1935-4-12
3843
San Bernardino
8 mi w Twenty-Nine Palms (Mohave Desert); , w <of> Twenty-Nine Palms
Comment
UC556428
Gilia maculata
Joy Keck
1935-4-12
3843
San Bernardino
8 mi w Twenty-nine Palms (Mohave Desert, southern San Bernardino County); Mohave Desert, w of Twenty-nine Palms
Comment
UCR102975
Gilia maculata
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2817
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR104832
Gilia maculata
George K. Helmkamp
1998-3-30
3059
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
UCR90213
Gilia maculata
George K. Helmkamp
1995-3-31
s.n.
San Bernardino
Mojave Desert, Joshua Tree National Park, sandy wash at the north boundary of the park. First wash east of Panorama Heights
750
Comment
SD225057
Gilia modocensis
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2816
San Bernardino
50 ft. N of the boundary of Joshua Tree National Part at the S end of Sunkist Rd (E of town of Joshua Tree)
883
Comment
UCR104043
Gilia modocensis
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2816
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA167754
Gilia sinuata
R. F. Thorne
1964-5-3
33996
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms.
Comment
RSA167755
Gilia sinuata
R. F. Thorne
1964-5-3
33974
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCD117894
Gilia sinuata
Robert F. Thorne
1964-5-3
33974
San Bernardino
3 miles east of Joshua Tree off road to Twentynine Palms.
Comment
JOTR32889
Gilia stellata
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3043
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
RSA705436
Gilia stellata
J. Mark Porter, Sarah J. De Groot
2005-3-9
14252
San Bernardino
S of State Route 62, at the base of a boulder outcrop of granite, just E of Joshua Tree.
794
Comment
SD231394
Gilia stellata
J. Marker Porter, Sarah DeGroot
2005-3-9
14252
San Bernardino
South of State Route 62, at the base of a boulder outcrop of granite, just east of Joshua Tree.
794
Comment
UC908854
Gilia stellata
Annie M. Alexander and Louise Kellogg
1940-3-23
931
San Bernardino
9 mi w Twenty-nine Palms (Mohave Desert); , w of Twenty-nine Palms
Comment
UCR102977
Gilia stellata
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2814
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
CLARK-A1528-1884
Haplopappus cooperi
John C. Roos
1943-5-22
2648
Riverside
Little San Bernardino Mountains
Comment
JOTR29558
Hymenoclea salsola var. fasciculata
Andre, Jim
2006-4-6
6724
San Bernardino
Joshua Tree National Park. Aprroximately 4 mi. SE of town of Joshua Tree, 0.5 mi W of Sunfair Dr at N boundary of park.
860
Comment
RSA760040
Isomeris arborea
Gregory Pongetti
2005-4-3
5 -10
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
RSA754197
Juncus rugulosus
Ellen Mackey, Blake Whittiington
2006-10-11
NFWF- 1795
Los Angeles
edge of San Dimas Creek along trail next to the gate
454
Comment
RSA754210
Juncus xiphioides
Ellen Mackey, Blake Whittiington
2006-10-11
NFWF- 1789
Los Angeles
edge of San Dimas Creek along trail next to the gate
454
Comment
RSA729191
Lamarckia aurea
R. G. Swinney
1999-5-15
7170
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
CLARK-A1528-716
Langloisia matthewsii
Charlotte Stocks
1964-4-18
San Bernardino
Comment
CLARK-A1528-718
Langloisia matthewsii
Charlotte Stocks
1966-5-1
San Bernardino
Comment
RSA770898
Langloisia schottii
R. F. Thorne, M. Z. Thorne
1964-5-3
33858 -a
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
POM10006
Layia glandulosa
P. A. Munz
1921-5-1
4546
San Bernardino
10 miles west of '29 Palms'. Dry sandy wash
1067
Comment
RSA167667
Layia glandulosa
R. F. Thorne
1964-5-3
33999
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment
UC922767
Layia glandulosa
Annie M. Alexander and Louise Kellogg
1940-3-23
927
San Bernardino
9 mi w Twenty Nine Palms
Comment
UCR103331
Layia glandulosa
George K. Helmkamp
1998-3-30
3058
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
CSUSB1412
Lepidium fremontii
Frank Aubrey
1959-3-13
S. N.
San Bernardino
10.2 miles west of 29 Palms on 29 Palms Highway at power pole #22788-CWT
Comment
RSA760048
Lepidium fremontii var. fremontii
Gregory Pongetti
2005-4-3
42142
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
RSA642719
Lepidium lasiocarpum var. lasiocarpum
R. F. Thorne
1964-5-3
33988
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCR102976
Lepidium lasiocarpum var. lasiocarpum
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2815
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA167689
Leptosiphon aureus
R. F. Thorne
1964-5-3
33992
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms.
Comment
RSA754193
Leymus condensatus
Ellen Mackey, Blake Whittiington
2006-10-11
NFWF- 1791
Los Angeles
[Unspecified]
449
Comment
RSA729356
Lilium humboldtii
Richard G. Swinney
1999-6-25
7397
Los Angeles
San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon
1159
Comment
RSA0010366
Linanthus bigelovii subsp. johnsonii
J. Mark Porter, Sarah J. De Groot
2005-3-9
14254
San Bernardino
S of State Route 62, at the base of a boulder outcrop of granite, just E of Joshua Tree.
794
Comment
CAS-BOT-BC226884
Linanthus maculatus
Joy Keck
1935-4-12
3843
San Bernardino
8 miles west of Twenty-nine [Twentynine] Palms, Mohave [Mojave] Desert, southern San Bernardino County
Comment
CAS-BOT-BC226885
Linanthus maculatus
Joy Keck
1935-4-12
3843
San Bernardino
8 mi. W. of Twenty-nine [Twentynine] Palms, southern San Bernardino County
Comment
JOTR30869
Linanthus maculatus
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2076
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
JOTR31104
Linanthus maculatus
Babich, Erin, M. Harding
2010-4-12
s.n.
San Bernardino
Joshua Tree National Park. Northwest corner of park boundary by Section 5, south of Base Line road in Joshua Tree; Large, low-energy sandy wash flowing northeast
Comment
RSA0116623
Linanthus maculatus
J. Mark Porter, Sarah J. De Groot
2005-3-9
14255
San Bernardino
S of State Route 62, at the base of a boulder outcrop of granite, just E of Joshua Tree.
794
Comment
SD225056
Linanthus maculatus
G. K. Helmkamp
1998-3-30
3059
San Bernardino
Mojave Desert: E of town of Joshua Tree & S of Copper Mtn, 0.4 mi. E of the S end of Kerr Rd near Joshua Tree National Park
Comment
RSA167756
Loeseliastrum matthewsii
R. F. Thorne
1964-5-3
33981
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA171151
Loeseliastrum matthewsii
R. F. Thorne
1964-5-3
33994
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms.
Comment
UCD118880
Loeseliastrum matthewsii
Robert F. Thorne
1964-5-3
33994
San Bernardino
5 miles east of Joshua Tree on road to Twentynine Palms.
Comment
RSA760046
Lotus rigidus
Gregory Pongetti
2005-4-3
5 -16
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
RSA754254
Lupinus concinnus
Robert F. Thorne
1964-5-3
33998
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment
RSA729862
Madia gracilis
R. G. Swinney
1999-5-29
7238
Los Angeles
lower East Fork San Dimas Canyon.
573
Comment
RSA729944
Madia gracilis
R. G. Swinney, D. W. Larson
1999-6-25
7411
Los Angeles
San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon
1159
Comment
JOTR30870
Malacothrix glabrata
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2077
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
JOTR30871
Malacothrix glabrata
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2077
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
RSA176248
Malacothrix glabrata
R. F. Thorne
1964-5-3
33984
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA176342
Malacothrix glabrata
R. F. Thorne
1964-5-3
33984
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA760070
Malacothrix glabrata
Gregory Pongetti
2005-4-3
5 -2
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
RSA729959
Melica imperfecta
R. G. Swinney, D. W. Larson
1999-6-25
7406
Los Angeles
San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon
1159
Comment
JOTR32892
Mentzelia albicaulis
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3045
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
JOTR32893
Mentzelia albicaulis
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3045
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
RSA191603
Mentzelia albicaulis
Robert F. Thorne
1964-5-3
3
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms.
Comment
JOTR32882
Mentzelia nitens
La Doux, Tasha, B. Truesdell, E. Babich, J. Van Warmerdam
2008-4-1
3036
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; along northern boundary of park, south of Panorama Heights area of Joshua Tree; rocky outcrop east of main wash
895
Comment
UCR102972
Mentzelia obscura
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2822
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
RSA760050
Mirabilis bigelovii
Gregory Pongetti
2005-4-3
20 -May
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
RSA760064
Mohavea confertiflora
Gregory Pongetti
2005-4-3
5 -6
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarisk tree at intersection of Sunfair and dirt road.
Comment
JOTR30635
Monardella linoides subsp. linoides
Babich, Erin
2008-5-21
s.n.
San Bernardino
Joshua Tree National Park. West of Indian Cove, Panorama Heights area.
Comment
JOTR32888
Monoptilon bellidiforme
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3042
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large wash running through corner of JOTR boundary
859
Comment
UCR102979
Monoptilon bellidiforme
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2812
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR103332
Monoptilon bellidiforme
George K. Helmkamp
1998-3-30
3060
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
RSA760063
Monoptilon bellioides
Gregory Pongetti
2005-4-3
5 -7
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
RSA729190
Muhlenbergia californica
R. G. Swinney
1999-5-15
7172
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
UCR102978
Nama demissa var. demissa
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2813
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR268875
Nama hispida var. spathulata
Jim Andre
2014-3-9
27165
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
JOTR36116
Nemacladus rubescens
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3046
Riverside
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary
895
Comment
RSA639032
Nemacladus rubescens
R. F. Thorne
1964-5-3
33980
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCR146435
Nemacladus rubescens
R. F. Thorne
1964-5-3
33980
San Bernardino
Southcentral Mojave Desert region, 3 miles east of Joshua Tree [city] off road to Twentynine Palms
Comment
JOTR32887
Nemacladus sigmoideus
La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam
2008-4-1
3041
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large wash running through corner of JOTR boundary
859
Comment
OBI15598
Nicolletia occidentalis
P. A. Holden
1969-4-11
729
San Bernardino
Just E of town of Joshua Tree
Comment
RSA167682
Nicolletia occidentalis
R. F. Thorne
1964-5-3
34000
San Bernardino
5 miles E of Joshua Tree on road to Twentynine Palms
Comment
UC1324933
Nicolletia occidentalis
H. U. Stauffer and R. F. Thorne
1964-5-5
5928
San Bernardino
8 km e/ne Joshua Tree (1.6 km n of road from Joshua Tree to Twentynine Palms)
750
Comment
POM10127
Nicotiana obtusifolia
Philip A. Munz
1921-5-1
4547
San Bernardino
10 miles west of 29 Palms.
1067
Comment Read comments Nov 5 2011
RSA760041
Nicotiana obtusifolia
Gregory Pongetti
2005-4-3
5 -11
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
CLARK-A1528-671
Oenothera deltoides
Charlotte Stocks
1966-5-1
San Bernardino
San Bernardino Mountains
Comment
SEINET13753029
Oenothera deltoides
G. Rink, A. Karl
2015-4-11
13090
San Bernardino
old Joshua Tree airstrip site
747
Comment
RSA176305
Oenothera deltoides subsp. cognata
Robert F. Thorne
1964-5-3
34001
San Bernardino
5 miles east of Joshua Tree and ca 1 mile north of road to Twentynine Palms.
Comment
RSA0045338
Oenothera deltoides subsp. deltoides
Jim Andre
2014-3-9
27159
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
GMDRC6025
Oenothera primiveris subsp. bufonis
J. M. Andre
2014-3-9
27158
San Bernardino
along pipeline road, just south of Coyote Lake, just WNW of Copper Mountain College, approx 5 mi. east of Joshua Tree, 0.6 mi. north of Hwy 62
719
Comment
UCR268880
Oenothera primiveris subsp. bufonis
Jim Andre
2014-3-9
27158
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
VVC3194
Opuntia basilaris var. basilaris
Tim Thomas, Glen Rink
2015-4-11
6517
San Bernardino
Mojave Desert, Joshua Tree town, 1.3 road miles north on Sunfair from Hwy 62, old air field.
747
Comment
RSA569635
Opuntia echinocarpa var. echinocarpa
Frits Zeylemaker
1979-11-12
s.n.
San Bernardino
South High Desert, south of highway 62 near Joshua Tree, White Feather Road behind Hospital High Desert Medical Center.
Comment
RSA748595
Opuntia phaeacantha
Justin M. Wood, Dustin Ray
2009-6-30
1016
San Bernardino
Ridgeline W of Onyx Summit. Accessed via 4wd trail 0.5 miles N of summit. Ridgeline continues W approx. 2 miles from summit.
2744
Comment
RSA439544
Opuntia ramosissima
Frits Zeylemaker
1979-11-12
s.n.
San Bernardino
South High Desert, south of highway 62 near Joshua Tree, White Feather Road behind Hospital High Desert Medical Center.
Comment
RSA729937
Osmorhiza brachypoda
R. G. Swinney
1999-6-25
7415
Los Angeles
San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon
1159
Comment
UCSB18103
Palafoxia arida var. arida
Matchett, Will
1964-4-12
San Bernardino
Amboy Road, 8.4 miles W of junction with Adobe Road, 2 miles N of Twenty-nine Palms
Comment
UCR102967
Pectocarya heterocarpa
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2827
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR268876
Pectocarya heterocarpa
Jim Andre
2014-3-9
27164
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
UCR102966
Pectocarya platycarpa
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2828
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
SDSU1419
Peritoma arborea
D. L. Harrison
1987-4-13
13 IV87B
San Bernardino
From junction of St. Rt. 62 & St. Rt. 247 in Yucca Valley, east 11 miles on St. Rt. 62, south 0.5 miles on Sunfair Rd., east 0.5 miles on Lawrence Rd., south 100 yards on Sullivan Rd.
853
Comment
SEINET10734764
Petalonyx thurberi
J. Richard Abbott, B. S. Carlsward
1999-6-24
Abbott 12858
San Bernardino
North of Joshua Tree National Park, eastern edge of town of Joshua Tree (west of Twenty-nine Palms), on CA 62 (Twenty-nine Palms Highway), just west of Neptune Avenue.
Comment
RSA21383
Phacelia ambigua
Carl B. Wolf
1937-5-4
8528
San Bernardino
Colorado Desert, 6miles W of 29 Palms.
Comment
RSA348932
Phacelia campanularia
Robert F. Thorne
1964-5-3
33991
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA743824
Phacelia campanularia subsp. vasiformis
Sarah J. De Groot, J. Mark Porter
2005-3-9
4771
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
RSA760044
Phacelia campanularia subsp. vasiformis
Gregory Pongetti
2005-4-3
14 -May
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
SD204903
Phacelia campanularia subsp. vasiformis
Sarah J. De Groot, J. Mark Porter
2005-3-9
4771
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of Highway.
794
Comment
UCR102969
Phacelia campanularia subsp. vasiformis
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2825
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
JOTR30872
Phacelia crenulata var. ambigua
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2078
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
RSA348931
Phacelia distans
Robert F. Thorne
1964-5-3
33990
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UCR102965
Phacelia distans
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2829
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
JOTR29566
Phacelia pedicellata
Andre, Jim
2006-4-6
6721
San Bernardino
Joshua Tree National Park. 4 mi. SE of town of Joshua Tree, 0.5 mi. W. of Sunfair Dr. at N. boundary of park
860
Comment
UCR175226
Phacelia pedicellata
Jim Andre
2006-4-6
6721
San Bernardino
Southern Mojave Desert, Joshua Tree National Park: c. 4 mi SE of the town of Joshua Tree, and 0.5 mi west of Sunfair Valley Dr. at N boundary of the park
860
Comment
SEINET10880970
Phoradendron californicum
J. Richard Abbott, B. S. Carlsward
1999-6-24
Abbott 12857
San Bernardino
North of Joshua Tree National Park, eastern edge of town of Joshua Tree (west of Twenty-nine Palms), on CA 62 (Twenty-nine Palms Highway), just west of Neptune Avenue.
Comment
RSA730069
Piptatherum miliaceum
R. G. Swinney, D. W. Larson
1999-5-29
7230
Los Angeles
San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork
Comment Read comments Dec 17 2012
RSA401945B
Plantago ovata var. fastigiata
Will Matchett
1964-4-12
61
San Bernardino
Adobe Road about 2 miles north of 29 Palms and about 8.4 miles west of Amboy Road.
488
Comment
SBBG31922
Plantago ovata var. fastigiata
W. Matchett
1964-4-12
61
San Bernardino
Adobe Rd, ca. 2 mi N of Twentynine Palms and ca. 8.4 mi W of Amboy Rd
487
Comment
RSA0027613
Pleuraphis rigida
April Garbat, Kristin Forgrave
2013-7-31
94
San Bernardino
Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 E for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725.
731
Comment
RSA248045
Pleuraphis rigida
R. F. Thorne, C. W. Tilforth
1973-5-30
43592
San Bernardino
1 mile E of Joshua Tree
838
Comment
RSA760039
Pleuraphis rigida
Gregory Pongetti
2005-4-3
41768
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
RSA729192
Polypogon viridis
R. G. Swinney
1999-5-15
7167
Los Angeles
San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest.
610
Comment
RSA760068
Rafinesquia neomexicana
Gregory Pongetti
2005-4-3
5 -3
San Bernardino
BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road.
Comment
UCR102958
Rafinesquia neomexicana
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2819
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR176939
Rafinesquia neomexicana
John Wear
2004-3-14
s.n.
San Bernardino
Southern Mojave Desert, SE side of city of Joshua Tree, SE corner of Sullivan Rd. and Sunkist Rd., south of Hwy 62
808
Comment
RSA760049
Salazaria mexicana
Gregory Pongetti
2005-4-3
19 -May
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
RSA760042
Salvia columbariae
Gregory Pongetti
2005-4-3
12 -May
San Bernardino
Intersection of Mount Lassen Avenue and Baseline Road along northern boundary of Joshua Tree National Monument.
Comment
UCR102990
Salvia columbariae
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2839
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
SD224805
Schismus barbatus
G. K. Helmkamp, E. A. Helmkamp
1998-3-16
2821
San Bernardino
50 ft. N of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree).
883
Comment
UCR104057
Schismus barbatus
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2821
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
SBBG16543
Senna armata
P. H. Raven
1962-5-4
17534
San Bernardino
5.1 mi E of Joshua Tree on Twentynine Palms Hwy
762
Comment
SD52983
Senna armata
Peter H. Raven
1962-5-4
17534
San Bernardino
5.1 miles east of Joshua Tree on Twentynine Palms Highway.
762
Comment
UC1234755
Senna armata
Peter H. Raven
1962-5-4
17534
San Bernardino
5.1 mi. e. Joshua Tree (on Twenty Nine Palms Hwy.)
762
Comment
GMDRC2034
Simmondsia chinensis
J. Andre
2006-4-6
6723
San Bernardino
Little San Bernardino Mountains: Joshua Tree National Park: about 4 mi. SE of town of Joshua Tree, 0.5 mi. W. of Sunfair Dr at N. boundary of park. Elev. 2822 ft.
860
Comment
JOTR29557
Simmondsia chinensis
Andre, Jim
2006-4-6
6723
San Bernardino
Joshua Tree National Park. Aprroximately 4 mi. SE of town of Joshua Tree, 0.5 mi W of Sunfair Dr at N boundary of park.
860
Comment
POM262923
Simmondsia chinensis
J. C. Roos
1941-4-5
184
San Bernardino
Coyote Well.
Comment
UCR102992
Simmondsia chinensis
George K. Helmkamp, E. A. Helmkamp
1998-3-16
2841
San Bernardino
Mojave Desert, 50 ft. north of the boundary of Joshua Tree National Park at the S end of Sunkist Rd (E of town of Joshua Tree)
884
Comment
UCR175227
Simmondsia chinensis
Jim Andre
2006-4-6
6723
San Bernardino
Southern Mojave Desert, Joshua Tree National Park: c. 4 mi SE of the town of Joshua Tree, and 0.5 mi west of Sunfair Dr. at N boundary of the park
860
Comment
RSA176242
Stephanomeria exigua
R. F. Thorne
1964-5-3
33976
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
RSA176339
Stephanomeria exigua subsp. exigua
R. F. Thorne
1964-5-3
33976
San Bernardino
3 miles E of Joshua Tree off road to Twentynine Palms.
Comment
UC922702
Stillingia linearifolia
Annie M. Alexander and Louise Kellogg
1940-3-23
933
San Bernardino
slope 9 mi w Twenty Nine Palms
640
Comment
RSA743823
Streptanthella longirostris
Sarah J. De Groot, J. Mark Porter
2005-3-9
4770
San Bernardino
East of Joshua Tree along Highway 62, unnamed dirt road south of highway.
794
Comment
UCR268881
Streptanthella longirostris
Jim Andre
2014-3-9
27157
San Bernardino
Western Mojave Desert, along pipeline road, just south of Coyote Lake, just west-northwest of Copper Mountain College, c. 5 mi east of Joshua Tree, 0.6 mi north of Hwy 62
719
Comment
UCR103323
Thysanocarpus curvipes
George K. Helmkamp
1998-3-30
3054
San Bernardino
Mojave Desert, E of town of Joshua Tree & south of Copper Mtn, 0.4 mi. east of the S end of Kerr Rd near Joshua Tree National Park
884
Comment
JOTR30873
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2079
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
JOTR30874
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, B. Truesdell, J. Van Warmerdam
2008-4-1
2079
San Bernardino
Joshua Tree National Park. North side of Queen Mountain; large wash near northern park boundary, southwest of Panorama Heights
895
Comment
CAS-BOT-BC102475
Yucca schidigera
Joseph Andorfer Ewan
1933-2-19
10838
San Bernardino
Coyote Well
Comment
UC723779
Yucca schidigera
Joseph Andorfer Ewan
Feb 19 1933-Feb 20 1933
10838
San Bernardino
Coyote Well
Comment