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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
RSA696777
Aster tortifolius
J. Russell Bruff
1928-4-2
161
Riverside
8 mi. N of Cottonwood Springs.
Comment Read comments Sep 20 2011
CAS-BOT-BC154108
Machaeranthera tortifolia
N. Aitkenhead
1977-2-3
s.n.
Riverside
Maniobra Valley N. of Orocopia Mnts.
Comment
CLARK-A1528-2003
Machaeranthera tortifolia
John C. Roos
1949-4-10
4225
Riverside
Chuckwalla Mountains
Comment
UCR101571
Machaeranthera tortifolia
Bern Schwenn
1998-4-2
s.n.
Riverside
Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring
544
Comment
UCR11337
Machaeranthera tortifolia
John M. Spencer
1971-4-16
s.n.
Riverside
Sonoran (Colorado) Desert, Joshua Tree National Monument (now J.T.N. Park), 1.5 mi. north of Cottonwood Spring campground
Comment
UCR147844
Machaeranthera tortifolia
Steve Boyd, Et al.
2004-5-14
11275
Riverside
Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range
570
Comment
UCR41550
Machaeranthera tortifolia
A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen
1986-3-3
6091
Riverside
Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south
489
Comment
UCR88551
Machaeranthera tortifolia
A. C. Sanders
1995-4-13
16499
Riverside
San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd.
793
Comment
UCR89591
Machaeranthera tortifolia
Bern Schwenn
1994-4-29
s.n.
Riverside
Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio
1311
Comment
CAS-BOT-BC326885
Xylorhiza tortifolia
A. C. Sanders
1995-4-13
16499
Riverside
Devil's Garden east end of the mountains, 2.1 miles west of Highway 62 on Pierson Ave. and dirt extension 1.7 miles above Sierra Bl., San Bernardino Mtns./Colorado Desert
792
Comment
CAS-BOT-BC326886
Xylorhiza tortifolia
Elizabeth McClintock
1958-4-5
s.n.
Riverside
Along wash in Painted Canyon, Colorado Desert
Comment
CAS-BOT-BC326887
Xylorhiza tortifolia
N. Aitkenhead
1977-2-3
60062 B
Riverside
Maniobra Valley norht of Orocopia Mtns.
Comment
CAS-BOT-BC326888
Xylorhiza tortifolia
Cecil Hart
1926-5-10
25
Riverside
Cajon Pass
Comment
CAS-BOT-BC326890
Xylorhiza tortifolia
Dr. Barton W. Evermann
1924-4-12
s.n.
Riverside
Cottonwood Springs
Comment
CAS-BOT-BC326891
Xylorhiza tortifolia
Dr. Barton W. Evermann
1924-4-12
s.n.
Riverside
Cottonwood Springs
Comment
CAS-BOT-BC326892
Xylorhiza tortifolia
Carl B. Wolf
1932-4-27
3051
Riverside
1 mile off Mecca - Blythe Road, lower end of Lost Palms Canyon at 1st rocky hills, Colorado Desert
243
Comment
CAS-BOT-BC326893
Xylorhiza tortifolia
F. H. Billings
1926-2-28
3
Riverside
Near 29 Palms Colorado Desert
Comment
CAS-BOT-BC326894
Xylorhiza tortifolia
C. L. Hitchcock
1940-3-29
5859
Riverside
Cottonwood Canyon ca. 100 yards east of Spring
Comment
CAS-BOT-BC326895
Xylorhiza tortifolia
Roxana S. Ferris
1953-4-20
12635
Riverside
Canyon floor road to Lost Palms Canyon about 4 miles north of Shaver Summit
Comment
CAS-BOT-BC326896
Xylorhiza tortifolia
Roxana S. Ferris
1953-4-20
12635
Riverside
Road to Lost Palms Canyon about 4 miles north of Shaver Summit
Comment
CAS-BOT-BC326897
Xylorhiza tortifolia
Roxana S. Ferris; Ruth P. Rossbach
1938-5-15
9533
Riverside
2 miles from Cottonwood Springs, Cottonwood Mts.
Comment
CAS-BOT-BC326898
Xylorhiza tortifolia
H. M. Hall; L. A. Greata
1905-4-1
5868
Riverside
Chuckawalla Bench
Comment
CAS-BOT-BC326899
Xylorhiza tortifolia
H. M. Hall
1905-4-23
5868
Riverside
Near Salvation Spring, Chuckawalla Mts.
Comment
CAS-BOT-BC326900
Xylorhiza tortifolia
H. M. Hall
1905-4-23
5868
Riverside
Near Salvation Spring, Chuckawalla Mts.
Comment
CAS-BOT-BC326916
Xylorhiza tortifolia
Dr. Barton W. Evermann
1916-5-13
s.n.
Riverside
Cottonwood Springs
Comment
HSC25818
Xylorhiza tortifolia
Richard Spjut
1972-3-20
2290
Riverside
Colorado Desert, N-face of Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center, around Morongo Basin and at the N base of the San Bernardino Mts.
305
Comment
HSC88232
Xylorhiza tortifolia
Elizabeth Neese
1979-4-10
7064
Riverside
Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash.
305
Comment
POM14091
Xylorhiza tortifolia
P. A. Munz, D. D. Keck
1922-4-13
4950
Riverside
South base of Eagle Mts; Anshultz Canyon
305
Comment
POM14364
Xylorhiza tortifolia
P. A. Munz, D. D. Keck
1922-4-9
4786
Riverside
Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert.
610
Comment
POM184545
Xylorhiza tortifolia
C. L. Hitchcock
1932-4-7
12202
Riverside
Corn Springs, Eastern Riverside.
Comment
POM310143
Xylorhiza tortifolia
Hulda Crooks
1946-4-15
367
Riverside
29 Palms Canyon
396
Comment
POM36114
Xylorhiza tortifolia
H. M. Hall
1905-4-23
5868
Riverside
Near Salvation Spring, Chuckawalla Mts [Salvation Well, Chocolate Mts., ENE of Niland in Salvation Pass near Pegleg Well]
Comment Read comments Nov 20 2011
RSA0106770
Xylorhiza tortifolia
Duncan S. Bell, Amanda Turek
2010-4-9
780
Riverside
East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well.
485
Comment
RSA0124033
Xylorhiza tortifolia
Duncan S. Bell, LeRoy Gross
2016-3-10
8878
Riverside
Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area.
938
Comment
RSA0124813
Xylorhiza tortifolia
Duncan S. Bell, LeRoy Gross
2016-3-9
8850
Riverside
Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring.
551
Comment
RSA20307
Xylorhiza tortifolia
Roxana S. Ferris, Ruth P. Rossbach
1938-5-15
9533
Riverside
Cottonwood Springs Canyon.
Comment
RSA23226
Xylorhiza tortifolia
Ernest Braunton
1940-3-4
2028
Riverside
5 mi. East of Shaver's Well.
Comment
RSA234108
Xylorhiza tortifolia
R. F. Thorne, R. Carolin
1967-3-21
41638
Riverside
Joshua Tree National Monument: Cottonwood Springs.
915
Comment
RSA27570
Xylorhiza tortifolia
C. L. Hitchcock
1940-3-29
5859
Riverside
Cottonwood Canyon, ca. 100 yards east of Spring.
Comment
RSA33567
Xylorhiza tortifolia
N. Cooper
1944-3-25
1019
Riverside
Morongo Pass.
610
Comment
RSA4947
Xylorhiza tortifolia
C. B. Wolf
1932-4-27
3051
Riverside
Palm Springs.
152
Comment
RSA643672
Xylorhiza tortifolia
A. C. Sanders
1995-4-13
16499
Riverside
San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blvd.
701
Comment
RSA658630
Xylorhiza tortifolia
Trudy R. Ericson
1976-4-17
508
Riverside
Collected on rocky hillside just off Corn Springs Road. Area is 14.5 mi. from intersection of Corn Springs Road and Chuckwalla Road.
610
Comment
RSA696779
Xylorhiza tortifolia
J. R. Bruff
1929-11-29
433
Riverside
Split Rock.- Colo Desert.
Comment
RSA718869
Xylorhiza tortifolia
Michael Honer, Lincoln Hulse
2005-3-8
2036
Riverside
Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile.
457
Comment
RSA719241
Xylorhiza tortifolia
Michael Honer, Lincoln Hulse
2004-4-3
1911
Riverside
Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon.
610
Comment Read comments Jun 8 2016
RSA775271
Xylorhiza tortifolia
Duncan S. Bell, The Desert Survivors Organization
2011-4-8
2200
Riverside
Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177.
470
Comment
RSA775301
Xylorhiza tortifolia
Duncan S. Bell
2011-3-18
2056
Riverside
Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center.
392
Comment
RSA796321
Xylorhiza tortifolia
Duncan S. Bell
2009-4-18
253
Riverside
Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well.
463
Comment
RSA81020
Xylorhiza tortifolia
G. R. Campbell
1952-4-6
18407
Riverside
Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms
975
Comment
RSA93342
Xylorhiza tortifolia
F. W. Peirson
1928-4-24
7898
Riverside
Cottonwood Springs, northern Colorado Desert
Comment
UCR226665
Xylorhiza tortifolia
Jim Andre
2011-2-18
15822
Riverside
Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62
473
Comment
UCR245749
Xylorhiza tortifolia
Duncan S. Bell
2009-4-18
253
Riverside
Arica Mountains, east side of range, c. 1.7 miles west of Priest Well
463
Comment
UCR259116
Xylorhiza tortifolia
John F. Emmel
1986-4-12
993
Riverside
Mojave/Sonoran Desert Transition, Little San Bernardino Mountains, upper Berdoo Canyon
1372
Comment
UCSB30446
Xylorhiza tortifolia
Wheeler, William
1975-3-9
Riverside
Box Canyon Wash, 13 miles south of Interstate 10 on Calif. 195
60
Comment
UCSB9760
Xylorhiza tortifolia
Haller, John
1960-4-2
Riverside
Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. Highway 60-70 and the S entrance road to Joshua Tree Natl. Mon.
579
Comment
CAS-BOT-BC326889
Xylorhiza tortifolia
R. L. Armacost
1928-4-27
s.n.
Riverside
North Colorado Desert
Comment
POM99009
Xylorhiza tortifolia
E. C. Jaeger
1926-3-24
s.n.
Riverside
Eagle Mts, eastern Riverside Co.
610
Comment
RSA0023062
Xylorhiza tortifolia
John F. Emmel
1995-4-21
1364
Riverside
Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479.
488
Comment
RSA0025518
Xylorhiza tortifolia
John F. Emmel
1986-4-12
993
Riverside
Little San Bernardino Mtns: upper Berdoo Canyon. Section 5 & Section 8.
Comment
UC1922541
Xylorhiza tortifolia
Michael Honer with L. Hulse
2005-3-8
2036
Riverside
Colorado Desert; Little San Bernardino Mountains region: Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile.
Comment
CHSC60178
Xylorhiza tortifolia var. tortifolia
J. Lund
1980-4-4
Riverside
1.0 mile from mouth of Rattle Snake Canyon in Joshua Tree National Monument.
944
Comment
JEPS31896
Xylorhiza tortifolia var. tortifolia
I. W. Clokey
1935-4-17
6964
Riverside
flats and hillsides Cottonwood Springs
Comment
JEPS31909
Xylorhiza tortifolia var. tortifolia
W. L. Jepson
1928-4-25
12617
Riverside
Cottonwood Spring Colorado Desert, , Cottonwood Spring (Eagle Mts.)
731
Comment
JEPS31945
Xylorhiza tortifolia var. tortifolia
Marjorie D. Clary
1932-4-10
1656
Riverside
rocky ledges of canyon walls Colorado Desert, Eagle Mts.
609
Comment
JEPS83669
Xylorhiza tortifolia var. tortifolia
Theodore Mosquin
1958-2-22
3206
Riverside
Corn Springs , Corn Springs (Chuckwalla Mountains)
Comment
JOTR29389
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, Mike Bell
2006-5-10
1466
Riverside
Joshua Tree National Park. East Deception Canyon
Comment
JOTR29390
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, Mike Bell
2006-5-10
1467
Riverside
Joshua Tree National Park. East Deception Canyon
Comment
JOTR30984
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich
2010-4-20
1962
Riverside
Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash
Comment
JOTR31102
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler
2010-5-6
2360
Riverside
Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; top of ridge, with rocky outcrops (Stop 5)
Comment
JOTR31956
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, M. Harding, B. Truesdell
2011-3-15
2192
Riverside
Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash
Comment
JOTR32164
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell
2011-3-31
2316
Riverside
Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7)
902
Comment
JOTR32187
Xylorhiza tortifolia var. tortifolia
Herskovits, Tasya, M. Harding
2011-5-20
s.n.
Riverside
Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2)
1524
Comment
JOTR34000
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, M. Harding
2010-4-7
2888
Riverside
Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary
Comment
JOTR34059
Xylorhiza tortifolia var. tortifolia
La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler
2010-5-27
2957
Riverside
Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail
Comment
JOTR35293
Xylorhiza tortifolia var. tortifolia
Andre, Jim
2012-4-11
20789
Riverside
Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms.
729
Comment
OBI38349
Xylorhiza tortifolia var. tortifolia
A. C. Sanders, Pitzer, Charlton & Kniffen
1986-3-3
6091
Riverside
Corn Spring, Chuckwalla Mts
488
Comment
OBI8144
Xylorhiza tortifolia var. tortifolia
David J. Keil
1977-3-28
12077
Riverside
Joshua Tree Natl Monument, along Pinto Basin Rd. 11 mi S of northern park boundary.
Comment
RSA735397
Xylorhiza tortifolia var. tortifolia
Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault
2004-5-14
11223
Riverside
Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range.
Comment
RSA747840
Xylorhiza tortifolia var. tortifolia
Scott D. White, Justin M. Wood
2009-4-28
12618
Riverside
Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr.
Comment
RSA760151
Xylorhiza tortifolia var. tortifolia
Gregory Pongetti
2005-3-26
5 -22
Riverside
Edmund C. Jaeger Reserve, rocky hill 0.25 miles southeast of old woman on the rock.
Comment
RSA775602
Xylorhiza tortifolia var. tortifolia
Thomas Stoughton, Stephanie Rockwood, Christi Gabriel
2011-4-6
995
Riverside
Iron Mountains, on southwest side of mountains in wash.
423
Comment
RSA775603
Xylorhiza tortifolia var. tortifolia
Thomas Stoughton, Stephanie Rockwood, Christi Gabriel
2011-4-6
996
Riverside
Iron Mountains, on southwest side of mountains in wash.
423
Comment
RSA778884
Xylorhiza tortifolia var. tortifolia
Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy
2011-3-23
810
Riverside
Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.'
396
Comment
RSA779781
Xylorhiza tortifolia var. tortifolia
Duncan S. Bell
2010-4-2
690
Riverside
Arica Mountains: collecting along the jagged ridgeline of the mountain range; in the Palen/McCoy wilderness; approximately 2.4 air miles northwest of Priest Well.
591
Comment
SBBG8573
Xylorhiza tortifolia var. tortifolia
H. and M. Dearing
1937-4-10
2496
Riverside
Chuckwalla Mtns, near Hayfield
Comment
SBBG8575
Xylorhiza tortifolia var. tortifolia
K. K. Muller
1953-3-22
575
Riverside
slopes of Morongo Cyn
Comment
SBBG87843
Xylorhiza tortifolia var. tortifolia
A. C. Sanders, B. Pitzer, D. Charlton
1986-3-3
6091
Riverside
Corn Spring, wash below spring; Chuckawalla Mtns, T6S, R16E, S28
487
Comment
SFV17334
Xylorhiza tortifolia var. tortifolia
J. D. Dilley, J. N. Hogue (108.17)
1998-4-23
273
Riverside
Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring.
488
Comment
SFV17335
Xylorhiza tortifolia var. tortifolia
J. D. Dilley, J. N. Hogue (108.18)
1998-4-23
274
Riverside
Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring.
488
Comment
SJSU11683
Xylorhiza tortifolia var. tortifolia
R. C. McGehee
1970-4-28
241
Riverside
0.3 mi N of Cottonwood Springs, Joshua Tree National Monument
Comment
UC217968
Xylorhiza tortifolia var. tortifolia
P. A. Munz and D. Keck
1922-4-9
4786
Riverside
vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains
457
Comment
UC604857
Xylorhiza tortifolia var. tortifolia
Roxana S. Ferris and Ruth P. Rossbach
1938-5-15
9533
Riverside
2 mi from Cottonwood Springs; Cottonwood Mts.
Comment
UC68931
Xylorhiza tortifolia var. tortifolia
H. M. Hall
May, 1905
5998
Riverside
Cottonwood Pass Colorado Desert
609
Comment
UC69213
Xylorhiza tortifolia var. tortifolia
E. E. Schellenger
Apr 1905
Riverside
Santa Maria Mts. Colorado Desert
Comment
UC892598
Xylorhiza tortifolia var. tortifolia
C. L. Hitchcock
1940-3-29
5859
Riverside
in sandy wash ca 100 yards e Spring; Cottonwood Canyon
Comment
UC892607
Xylorhiza tortifolia var. tortifolia
I. W. Clokey
1935-4-17
6964
Riverside
Cottonwood Springs
Comment
UCD137591
Xylorhiza tortifolia var. tortifolia
William Shapeero
1954-4-28
s.n.
Riverside
Joshua Tree National Monument.
Comment
UCR243565
Xylorhiza tortifolia var. tortifolia
Jim Andre, T. La Doux, R. B. Kelley
2011-5-4
21095
Riverside
Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley
1207
Comment
UCR244435
Xylorhiza tortifolia var. tortifolia
Jim Andre
2012-4-16
20931
Riverside
Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center
956
Comment
UCR245662
Xylorhiza tortifolia var. tortifolia
Duncan S. Bell
2010-4-2
690
Riverside
Arica Mountains: along the jagged ridgeline of the mountain range; in the Palen/McCoy wilderness; c. 2.4 air miles northwest of Priest Well
591
Comment
UCR269207
Xylorhiza tortifolia var. tortifolia
Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood
2011-4-6
995
Riverside
Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash
423
Comment