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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CDA35314
Euphorbia eriantha
G. D. Barbe
1978-5-3
2377
Riverside
Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground.
0
Comment
CHSC103494
Euphorbia eriantha
Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot
2004-5-14
11262
Imperial
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's Chocolate Mountains Aerial Gunnery Range.
570
Comment
CHSC13192
Euphorbia eriantha
Larry C. Higgins
1973-3-26
6355
Imperial
Ca. 20 miles northwest of Winterhaven along Olgsby road.
Comment
CLARK-A1045-1541
Euphorbia eriantha
George K. Helmkamp
1978-3-17
San Diego
Anza-Borrego Desert State Park Bisnaga Alta Wash; Sweeney Pass 7.5'Q
Comment
CLARK-A1528-2697
Euphorbia eriantha
John C. Roos
1946-10-26
3140
Riverside
Chuckwalla Mountains
Comment Read comments Jan 30 2015
CLARK-A1528-437
Euphorbia eriantha
Olga Kersteiner
1964-5-17
Riverside
Aguanga
Comment
CLARK-A1656-661
Euphorbia eriantha
Lois Ann Scott
1978-4-8
Riverside
Palm Desert
182
Comment
GMDRC3749
Euphorbia eriantha
J. Andre, J. AndreT. La Doux
2009-3-1
11246
Riverside
Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft.
542
Comment
GMDRC4092
Euphorbia eriantha
J. Andre, T. La Doux, H. Bartosh, R. Preston
2010-3-2
12190
San Bernardino
Turtle Mountains: N. end of Turtle Mtns 2 mi. southwest of Lost Arch Mine area, approx 0.5 mi. south of Mohawk Spring, approx. 12 miles west of Hwy 95, growing on steep south-facing rocky rocky slope (rhyolitic soils).
614
Comment
GMDRC5490
Euphorbia eriantha
J. Andre
2012-4-16
20920
Riverside
Little San Bernardino Mountains: along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10
788
Comment
HSC66816
Euphorbia eriantha
D. Goforth, D. Reed
1980-3-26
369
San Diego
Anza Borrego Desert State Park, 1 mi. N of Palm Canyon Camp.
305
Comment
HSC8005
Euphorbia eriantha
C. L. Hitchcock, C. V. Muhlick
1964-3-21
23223
Imperial
30 mi. N of Ogilby
Comment
HSC8006
Euphorbia eriantha
C. L. Hitchcock
1966-3-20
24302
Imperial
15 mi. N of Ogilby, along road to Blythe.
Comment
JEPS122545
Euphorbia eriantha
J. Andre with T. La Doux, H. Bartosh, R. Preston
2010-3-20
12190
San Bernardino
Turtle Mountains; N end of Turtle Mountains 2 miles southwest of Los Arch Mine Area, approx. 0.5 mi south of Mohawk Spring, approx. 12 miles west of Highway 95. Mohawk Spring 7.5' Q.
Comment
JEPS22635
Euphorbia eriantha
Rimo Bacigalupi with Roxana S. Ferris
1958-3-21
6255
San Bernardino
4 1/2 mi e Vidal Junction (along road to Earp and Parker, in small wash issuing from the Whipple Mts.)
289
Comment Read comments Jul 14 2012
JEPS52420
Euphorbia eriantha
W. L. Jepson
1928-4-23
12535
San Diego
Yaqui Well; w Colorado Desert, Yaqui Well
274
Comment
JOTR32620
Euphorbia eriantha
La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler
2011-10-13
1020
Riverside
Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary
711
Comment
JOTR33803
Euphorbia eriantha
La Doux, Tasha, B. Truesdell
2007-11-9
3301
Riverside
Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2)
601
Comment
JOTR34092
Euphorbia eriantha
La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler
2011-10-13
1020
Riverside
Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, approx. 2.5 miles north of park boundary
711
Comment
JOTR35154
Euphorbia eriantha
La Doux, Tasha, M. Harding, K. Kain, E. Babich
2011-3-22
3266
Riverside
Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon (Stop 5)
Comment
JOTR35416
Euphorbia eriantha
Andre, Jim
2012-4-16
20920
Riverside
Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10
788
Comment
JOTR37439
Euphorbia eriantha
Hodges, Stephen R., T. Hender
2015-12-30
561
Riverside
Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary
596
Comment
POM13909
Euphorbia eriantha
P. A. Munz, D. D. Keck
1922-4-13
4820
Riverside
Eagle Mountains.
244
Comment
POM147634
Euphorbia eriantha
F. M. Reed
1927-3-20
5441
Riverside
Eagle Canyon - at junction with Salt Creek. Colorado Desert.
Comment
POM160096
Euphorbia eriantha
E. C. Jaeger
1927-3-23
s.n
Riverside
Salt Creek Wash, Colo. Desert
Comment
POM184544
Euphorbia eriantha
C. L. Hitchcock
1932-4-7
12203
Riverside
Chuckwalla Mountains: Corn Springs.
Comment
POM254215
Euphorbia eriantha
P. A. Munz
1940-1-27
15858
San Diego
Dry gulley, 1 1/2 mi. SE of Vallecitos. Eastern SD county.
Comment
POM254268
Euphorbia eriantha
P. A. Munz
1940-1-28
15853
San Diego
Agua Caliente Springs near Vallecitos.
Comment
RSA0018148
Euphorbia eriantha
J. Andre, G. L. Clifton, Ron Kelley
2013-3-21
24371
San Bernardino
Turtle Mountains; east side of range, growing on north-facing slopes (hills) just south of Mopah Spring trailhead parking area, approx. 5 mi. west of Highway 95.
498
Comment
RSA0019014
Euphorbia eriantha
Duncan S. Bell, John Anderson, Kim Clark, Ed Howland
2013-9-29
6038
Riverside
Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well.
659
Comment
RSA0041458
Euphorbia eriantha
Duncan S. Bell, LeRoy Gross
2014-3-20
6275
Riverside
Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake.
609
Comment
RSA0041960
Euphorbia eriantha
Duncan S. Bell, Loraine Washburn
2014-4-8
6586
Riverside
Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail.
398
Comment
RSA0042104
Euphorbia eriantha
Duncan S. Bell, Deidre Conocchioli
2014-3-11
6231
Riverside
Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain.
207
Comment
RSA0042169
Euphorbia eriantha
Duncan S. Bell, Evan Meyer
2014-4-2
6517
Riverside
Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring.
422
Comment
RSA0084906
Euphorbia eriantha
Jim Andre
2013-3-11
25957
San Bernardino
Chemehuevi Valley: along Turtle Mtn Rd 3.9 mi. east of Chemehuevi Wash, approx. 2 mi. west of Hwy 95.
412
Comment
RSA0105945
Euphorbia eriantha
Alan Romspert
2000-4-14
s.n.
Riverside
West of Dupont road, Chuckwalla Mountains.
Comment
RSA0123118
Euphorbia eriantha
Duncan S. Bell, Isaac Marck, Evan Meyer
2016-3-23
9028
Riverside
Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain.
639
Comment
RSA0124812
Euphorbia eriantha
Duncan S. Bell, LeRoy Gross
2016-3-9
8849
Riverside
Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring.
551
Comment
RSA144364
Euphorbia eriantha
Roxana S. Ferris, R. C. Bacigalupi
1958-3-19
13266
San Bernardino
About 4.5 miles E of Vidal Junction on road to Earp and Parker.
Comment
RSA167712
Euphorbia eriantha
Robert L. Rutherford
1964-4-12
33668
Imperial
Margin of wash near Imperial Gables, Chocolate Mts.
396
Comment
RSA286540
Euphorbia eriantha
John F. Emmel
1979-3-12
622
Riverside
Big Maria Mtns.; near SW base of Black Hill, near SW base of the mtns.
267
Comment
RSA295244
Euphorbia eriantha
N. R. Zabriskie, Walter M. Zabriskie
1968-2-11
111
Riverside
East of trail approaching Eagle Pk., Andreas Canyon.
Comment
RSA3952
Euphorbia eriantha
C. B. Wolf
1932-4-29
3090
San Bernardino
Mesas at western edge of Maria Mountains. Eastern Colorado Desert, 17 miles from Blythe on the Rice Road.
152
Comment
RSA433522
Euphorbia eriantha
Anstruther Davidson
1893-4-10
s.n
Riverside
Palm Springs.
Comment
RSA433523
Euphorbia eriantha
B. C. Templeton
1930-3-22
1478
San Diego
Palm Canyon, Borego Valley. Colorado Desert.
200
Comment
RSA433524
Euphorbia eriantha
B. C. Templeton
1930-3-22
1478
San Diego
Palm Canyon, Borego Valley. Colorado Desert.
200
Comment
RSA518272
Euphorbia eriantha
A. C. Sanders
1989-9-19
9499
Riverside
Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target.
680
Comment
RSA608174
Euphorbia eriantha
Steve Boyd, Valerie Soza, Tasha La Doux
1997-10-13
10061
Riverside
Colorado Desert, McCoy Wash: Bajada from southwest end of Little Maria Mountains along dirt road west of Inca railroad siding, ca. 8.2 miles west Midland Road.
213
Comment
RSA615334
Euphorbia eriantha
George K. Helmkamp
1998-2-18
2691
Riverside
Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns.
198
Comment
RSA643186
Euphorbia eriantha
J. P. Rebman, A. Salywon, C. Christy
1998-3-22
4945
Imperial
Northwest of Yuma, AZ; north end of Cargo Muchacho Mountains, south of Indian Pass Road and ca. 1 mile east of Ogilby Road
240
Comment
RSA643599
Euphorbia eriantha
J. P. Rebman, L. Renfro
1997-11-19
4753
Imperial
Northwest of Yuma: east of Ogilby Road along Indian Pass Road at Chemgold Company's Imperial Project.
Comment
RSA690988
Euphorbia eriantha
Scott D. White, Michael Honer
2003-5-15
9315
Riverside
Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe.
61
Comment
RSA697285
Euphorbia eriantha
LeRoy Gross, Valentin Arvizu, Sarah De Groot, Lisa Rojas, Tim Thibault
2004-5-13
1240
Imperial
Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road.
646
Comment
RSA70542
Euphorbia eriantha
F. W. Peirson
1928-3-24
7743
San Diego
San Felipe Creek, 2 miles below Sentenac Canyon, eastern San Diego County.
Comment
RSA70543
Euphorbia eriantha
F. W. Peirson
1932-3-22
9797
Imperial
Midway Well.
152
Comment
RSA707023
Euphorbia eriantha
Sarah J. De Groot, J. Mark Porter
2003-9-27
3190
San Bernardino
WHIPPLE MOUNTAINS: Chemehuevi Wash at intersection with Highway 95.
340
Comment
RSA714393
Euphorbia eriantha
Sarah J. De Groot, Leland Lubinsky
2005-2-26
4702
San Bernardino
Turtle Mountains: Saddle above Mopah Spring drainage.
747
Comment
RSA735323
Euphorbia eriantha
Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault
2004-5-14
11262
Riverside
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's Chocolate Mountains Aerial Gunnery Range.
570
Comment Read comments Jun 20 2011
RSA778412
Euphorbia eriantha
Stephanie Rockwood, Christi Gabriel
2011-10-4
056
Riverside
Cuckwalla Bench ACEC. Take Red Cloud Wash Rd to Gas Line Rd to Queen Esther Rd. Approximately 4 miles on Queen Esther Road.
673
Comment
RSA781606
Euphorbia eriantha
Duncan S. Bell
2011-12-30
3026
Riverside
Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice.
365
Comment
RSA792560
Euphorbia eriantha
Duncan S. Bell
2012-9-13
4187
Riverside
Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well.
202
Comment
SD113544
Euphorbia eriantha
Darley F. Howe
1939-4-11
784
San Diego
Yaqui Pass
Comment
SD119638
Euphorbia eriantha
Geoffrey A. Levin
1985-3-21
1535
San Diego
Borrego Valley, Highway S-3. 1.8 km south of Borrego Springs Road. on rocky bajada
259
Comment
SD120935
Euphorbia eriantha
Duffie Clemons, Erik Jonsson
1987-4-14
1688
Imperial
Chocolate Mountains, Indian Pass ACEC, rare in dry runnels SE of Indian Pass. (IPB 10/07)
305
Comment
SD128212
Euphorbia eriantha
Duffie Clemons, Erik Jonsson, Michael Curto
1989-9-22
2257
Imperial
dry stony drainages of desert flat west of Hill 1403 & Indian Pass Road
299
Comment
SD129385
Euphorbia eriantha
A. C. Sanders
1989-9-19
9499
Riverside
Chocolate Mountains Aerial Gunnery Range 1.75 km (airline) south of Tabasaca Tank, along the wash abobe 'Tabasaca Target
680
Comment
SD140853
Euphorbia eriantha
Christopher Christie
1997-2-17
145
San Bernardino
Chemehuevi Mountains Wilderness Area, Whale Mountain
480
Comment
SD142239
Euphorbia eriantha
Jon Rebman, L. Renfro
1997-11-19
4753
Imperial
Northwest of Yuma: E of Ogilby Road along Indian Pass Road at Chemgold Company's Imperial Project
Comment
SD143927
Euphorbia eriantha
B. Pitzer
1997-10-19
3326
Imperial
Ogilby Road (Hwy S34) where powerlines cross highway 1 mile south of Indian Pass Road, disturbed area at mouth of wash at roadside
198
Comment
SD144469
Euphorbia eriantha
G. K. Helmkamp, E. A. Helmkamp
1998-2-18
2691
Riverside
Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns.
Comment
SD144890
Euphorbia eriantha
Jon Rebman, A. Salywon & C. Christy
1998-3-22
4945
Imperial
Northwest of Yuma, AZ; N end of Cargo Muchacho Mts., S of Indian Pass Road & ca. 1 mile E of Ogilby Road
239
Comment
SD146282
Euphorbia eriantha
B. Pitzer, Tracy Tennant
1998-2-21
3538
Riverside
Colorado Desert, north-facing bajada on south side of Hayfield Lake between lakebed & Hwy 1-10, Hayfield Spring, in washes & on flats
412
Comment
SD148379
Euphorbia eriantha
Jon Rebman, Larry Hendrickson
2000-3-23
6285
San Diego
Anza-Borrego Desert State Park: South of Ocotillo Wells; small canyon before Starfish Cove Canyon, Elephant Trees Discovery Trail
99
Comment
SD154904
Euphorbia eriantha
Patrick McConnell
2004-4-3
45
San Diego
Anza Borrego Desert State Park, SW flank of Vallecitos Mtns, within view of Aqua Caliente Co. Park
595
Comment
SD158160
Euphorbia eriantha
Jeannie Gregory, John Gregory
2004-4-2
714
San Diego
South of Highway 78 between Scissors Crossing and Yaqui Pass in Plum Canyon.
619
Comment
SD16676
Euphorbia eriantha
Frank F. Gander
1937-4-6
3131
San Diego
extreme northeast corner of San Diego County
Comment
SD171500
Euphorbia eriantha
Jon P. Rebman, Norman Roberts
2005-4-22
11760
San Diego
Anza-Borrego Desert State Park: Henderson Canyon, approx. 2 miles north of Borrego Springs, just northwest of Galleta Meadows
305
Comment
SD177172
Euphorbia eriantha
Larry Hendrickson, Cathleen Weigand, Brian Woodward
2006-5-23
1513
San Diego
Anza-Borrego Desert State Park. Grapevine Canyon on SW side of Grapevine Hills, 2.6 km ESE of Angelina Spring.
630
Comment
SD177173
Euphorbia eriantha
Larry Hendrickson, Margaret Mulligan, Cathleen Weigand
2006-5-18
1429
San Diego
Anza-Borrego Desert State Park. North side of San Felipe Wash, approx. 1.3 miles west of intersection of State Hwy 78 and County Hwy S-3, just north of Grapevine Canyon Rd. above drainage that bisects the large alluvial fan south of Pinyon Ridge.
476
Comment
SD181554
Euphorbia eriantha
LeRoy Gross, Valentin Arvizu, et al.
2004-5-13
1240
Imperial
Chocolate-Chuckwalla Mountains region; near Surveyors Pass.
646
Comment
SD182160
Euphorbia eriantha
Jeannie Gregory, John Gregory
2006-5-7
1956
San Diego
Anza-Borrego Desert State Park; on Grapevine Canyon Road; in San Felipe Wash; W of Yaqui Pass; Ao N of Highway 78
484
Comment
SD202234
Euphorbia eriantha
Christopher Christie
1997-1-2
31
San Bernardino
Chemehuevi Mountains Wilderness Area.
480
Comment
SD204262
Euphorbia eriantha
Jon P. Rebman, L. Hendrickson and V. Marshall
2010-3-4
18786
San Diego
Anza-Borrego Desert State Park: vicinity of Split Mountain; along the North Fork of Fish Creek Wash northwest of its junction with Mollusk Wash
284
Comment
SD20889
Euphorbia eriantha
Frank F. Gander
1938-4-14
5362
San Diego
Yaqui Pass
Comment
SD214982
Euphorbia eriantha
Nancy Nenow, Lawrence Glacy
2009-3-26
481
San Diego
Anza-Borrego Desert State Park, about 2 mi N of Egg Mountain, 1I(c) mi W off highway S-2 as you emerge from Indian Gorge driving west.
381
Comment
SD24575
Euphorbia eriantha
Frank F. Gander
1939-4-2
7151
San Diego
near Vallecito Station
Comment
SD250487
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-9-8
41826
Imperial
Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains (Little Mule Mountains 7.5'Q)
355
Comment
SD250724
Euphorbia eriantha
Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming
2014-9-24
28752
Imperial
Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road
132
Comment
SD250725
Euphorbia eriantha
Jon Rebman, J. LaGrange & W. Schmidtmann
2014-9-24
28702
Imperial
Northeast of the Algodones Dunes: along Ogilby Road (S34) between I-8 & Hwy 78; in a wash just south of Indian Pass Road
189
Comment
SD252606
Euphorbia eriantha
Larry Hendrickson
2012-4-13
5709
San Diego
Anza-Borrego Desert State Park. Hornblende Canyon, a tributary drainage of Box Canyon. N-side of County Road S-2, 0.4 mile W of Box Canyon Monument parking.
739
Comment
SD252607
Euphorbia eriantha
Mary Jo Churchwell
2012-5-3
651
San Diego
Anza-Borrego Desert State Park at Borrego Palm Canyon Campground, about 1 mile up Borrego Palm Canyon Main Trail.
447
Comment
SD253097
Euphorbia eriantha
Mary Jo Churchwell
2011-2-15
450
San Diego
Anza-Borrego Desert State Park; Mine Wash Road; 2.7 miles SW of junction with Highway 78
577
Comment
SD253098
Euphorbia eriantha
Mary Jo Churchwell
2011-2-13
449
San Diego
Anza-Borrego Desert State Park; Palo Verde Wash; vicinity 1.86 miles NE of junction with Hwy S-22
501
Comment
SD253099
Euphorbia eriantha
Mary Jo Churchwell
2011-1-29
430
San Diego
Anza-Borrego Desert State Park; Bighorn Canyon 2.45 miles S of Highway 78; canyon between Mine Wash and Nolina Wash
580
Comment
SD253100
Euphorbia eriantha
Mary Jo Churchwell
2010-11-14
382
San Diego
Anza-Borrego Desert State Park; Henderson Canyon; 1.25 miles NW of junction Henderson Canyon Road and Borrego Springs Road
305
Comment
SD256095
Euphorbia eriantha
Larry Hendrickson
2013-10-12
6296
San Diego
Anza-Borrego Desert State Park, south of Vallecito Mountains. 1.7 miles ESE of Vallecito Stage Station County Park, 1.0 mile W of Bisnaga Alta Wash parking area, and 360 feet north of County Road S2.
415
Comment
SD260042
Euphorbia eriantha
J. Andre
2012-4-11
20777
Riverside
Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash.
729
Comment
SD26135
Euphorbia eriantha
Frank F. Gander
1939-12-21
7854
San Diego
about 1 mile south of Vallecito Station
Comment
SD262447
Euphorbia eriantha
Mary Jo Churchwell
2014-11-2
957
San Diego
Anza-Borrego Desert State Park, The Cove at the mouth of Borrego Palm Canyon, 2.78 air miles NW of Borrego Springs and 1.25 air miles NE from parking lot and trailhead for Borrego Palm Canyon.
235
Comment
SD27987
Euphorbia eriantha
Carl B. Wolf
1932-4-29
Riverside
Eastern Colorado desert, western edge of Maria Mountains, 17 miles from Blythe on Rice Road
Comment
SD28287
Euphorbia eriantha
Frank F. Gander
1940-11-15
8891
San Diego
near the Narrows
Comment
SD46096
Euphorbia eriantha
Herbert L. Mason
1952-4-9
14232
San Bernardino
10 miles south of Needles
Comment
SDSU22037
Euphorbia eriantha
Michael G. Simpson, Lluvia Flores-Renteria
2017-3-30
4053
San Diego
Anza Borrego Desert State Park. Borrego Palm Canyon Trail, southern (upper) trail.
357
Comment
SDSU7671
Euphorbia eriantha
Darren S. Smith
1992-3-15
15 III92A
San Diego
North of Coyote Creek, near Desert Gardens picnic area, adjacent to DiGiorgio Road, Anza Borrego State Park.
Comment
SEINET10389807
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-3-9
41357
Riverside
Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range
686
Comment
SEINET3106568
Euphorbia eriantha
Sears
1977-10-12
S- 562
Riverside
Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway.
439
Comment
SEINET8043500
Euphorbia eriantha
Duncan S. Bell, Evan Meyer
2014-1
6517
Riverside
Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring.
422
Comment
SEINET9602565
Euphorbia eriantha
N. H. Holmgren, P. K. Holmgren, R. E. Kern
1973-1
6424
Riverside
Big Maria Mountains, 12 airline miles N of downtown Blythe.
290
Comment
SFV17342
Euphorbia eriantha
J. D. Dilley, J. N. Hogue (109.4)
1998-4-24
277
Riverside
Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well.
579
Comment
SJSU5051
Euphorbia eriantha
S. M. Kaune
1961-12-19
170
Unknown
5 mi N of Pertacitos by Hwy 5 between Puertacitos & San Felipe
152
Comment
UC1004736
Euphorbia eriantha
Philip A. Munz
1940-1-28
15858
San Diego
1 1/2 mi SE of Vallecitos, eastern San Diego Co.
Comment
UC1051461
Euphorbia eriantha
Herbert L. Mason
1952-4-9
14232
San Bernardino
10 mi S of Needles
Comment
UC110401
Euphorbia eriantha
T. S. Brandegee
1896-4-11
San Diego
Agua Caliente Colorado Desert
Comment
UC110403
Euphorbia eriantha
T. S. Brandegee
Apr 1905
San Diego
Colorado Desert
Comment
UC1292619
Euphorbia eriantha
C. L. Hitchcock, C. V. Muhlick
1964-3-21
Imperial
about 30 mi N of Ogilby
Comment
UC1302438
Euphorbia eriantha
Robert F. Thorne, R. Rutherford
1964-4-12
33668
Imperial
margin of wash near Imperial Gables, Chocolate Mountains
396
Comment
UC187061
Euphorbia eriantha
S. B. and W. F. Parish
Apr 1882
Riverside
mountains back of Agua Caliente Colorado Desert (Andreas Canyon)
Comment Read comments Jul 15 2009
UC1971290
Euphorbia eriantha
Carl B. Wolf
1932-4-29
3090
Riverside
Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran
Comment
UC217898
Euphorbia eriantha
P. A. Munz, D. Keck
1922-4-13
4820
Riverside
Eagle Mountains, Colorado Desert
213
Comment
UC666482
Euphorbia eriantha
Annie M. Alexander and Louise Kellogg
1941-5-28
2254
Imperial
17 mi N of Ogilby; Colorado Desert
246
Comment
UC669267
Euphorbia eriantha
Annie M. Alexander and Louise Kellogg
1941-3-9
1912
Imperial
16 mi N of Ogilby; Colorado Desert
246
Comment
UC68669
Euphorbia eriantha
H. M. Hall
1905-4-23
5876
Riverside
Chuckawalla bench Colorado Desert
Comment
UCD142346
Euphorbia eriantha
C. L. Hitchcock
1966-3-20
24302
Imperial
About 15 mi. N. of Ogilby, along rd. to Blythe.
Comment
UCD142351
Euphorbia eriantha
Grady L. Webster; S. Lynch
1973-3-19
7625
San Diego
Above Culp Canyon.
762
Comment
UCR100051
Euphorbia eriantha
John Wear, N. Moorhatch
1997-10-11
s.n.
San Bernardino
Southeastern Mojave Desert, Chemehuevi Mountains, S(or SSE) slope of Chemehuevi Peak, on road from Hwy I-40 to Whipple Mts, at a point c. 5 road mi. SE of Hwy 95
488
Comment
UCR100881
Euphorbia eriantha
George K. Helmkamp, E. A. Helmkamp
1998-2-18
2691
Riverside
Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns.
198
Comment
UCR101579
Euphorbia eriantha
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
UCR107940
Euphorbia eriantha
Jon P. Rebman, L. Renfro
1997-11-19
4753
Imperial
Sonoran (Colorado) Desert, NW of Yuma, east of Ogilby Rd along Indian Pass Rd at Chemgold Company's Imperial Project.
Comment
UCR112972
Euphorbia eriantha
B. G. Pitzer, T. Tennant
1998-2-21
3538
Riverside
Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10.
427
Comment
UCR120095
Euphorbia eriantha
Jon P. Rebman, A. Salywon, C. M. Christy
1998-3-22
4945
Imperial
Sonoran, NW of Yuma, AZ; N end of Cargo Muchacho Mtns, south of Indian Pass Road and c. 1 mi east of Ogilby Road.
240
Comment
UCR124841
Euphorbia eriantha
B. C. Templeton
1930-3-22
1478
San Diego
Sonoran (Colorado) Desert, Palm Canyon, Borrego Valley
450
Comment
UCR132957
Euphorbia eriantha
A. C. Sanders
1989-1-6
8999
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains, gasline road
610
Comment
UCR17353
Euphorbia eriantha
Loretta Bates
1978-4-15
s.n.
Riverside
Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench.
457
Comment
UCR17718
Euphorbia eriantha
Hap Ritter, Paul Mack
1976-10-19
s.n.
Riverside
Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns.
245
Comment
UCR199835
Euphorbia eriantha
Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault
2004-6-14
11262
Riverside
Colorado Desert, Chocolate-Chuckwalla Mountains, 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's Chocolate Mountains Aerial Gunnery Range
570
Comment Read comments Jun 20 2011
UCR217018
Euphorbia eriantha
Jim Andre, T. La Doux, Heath Bartosh, Robert E. Preston
2010-3-20
12190
San Bernardino
Sonoran (Colorado) Desert, north end of Turtle Mountains, 2 miles southwest of Lost Arch Mine, c. 0.5 mi south of Mohawk Spring, and c. 12 miles west of Hwy 95, on Mexican Hat Peak
614
Comment
UCR240064
Euphorbia eriantha
A. C. Sanders, Tim Thomas, T. B. Salvato
2012-11-1
40506
Riverside
Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road
695
Comment
UCR244425
Euphorbia eriantha
Jim Andre
2012-4-16
20920
Riverside
Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10
788
Comment
UCR245104
Euphorbia eriantha
A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener
2012-8-22
40369
Imperial
Sonoran (Colorado) Desert, 0.65 mi. NW (293 deg. ) of Rainey Well (windmill) along BLM Rd. 549 (Niland-Blythe), south of Bradshaw Trail
546
Comment
UCR245262
Euphorbia eriantha
Jim Andre
2012-3-19
21297
Riverside
Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella
470
Comment
UCR249700
Euphorbia eriantha
T. B. Salvato, Tim Thomas
2013-3-6
7271
Imperial
Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 2 km south of Rainey Well
511
Comment
UCR249818
Euphorbia eriantha
T. B. Salvato, Tim Thomas
2012-10-18
7252
Imperial
Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mountains, upper drainage of Arroyo Seco, 4.7 km west of Rainey Well, 0.14 km north of the old Niland-Blythe Road, 1.34 km south of the Bradshaw Trail
604
Comment
UCR256342
Euphorbia eriantha
Duncan S. Bell
2011-12-30
3026
Riverside
Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice
365
Comment
UCR260828
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-3-10
41375
Riverside
Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range
610
Comment
UCR260829
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-3-11
41397
Riverside
Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range
723
Comment
UCR260897
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-3-6
41274
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range
457
Comment
UCR260898
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-3-9
41357
Riverside
Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range
686
Comment
UCR264197
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-9-8
41826
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains
355
Comment
UCR264217
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2015-9-10
41864
Riverside
Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range
480
Comment
UCR264796
Euphorbia eriantha
Jon P. Rebman, J. LaGrange, Warren Schmidtmann
2014-9-24
28702
Imperial
Sonoran (Colorado) Desert, northeast of the Algodonnes Dunes, along Ogilby Road (S34) between I-8 and Hwy 78, in wash just south of Indian Pass Road
190
Comment
UCR266667
Euphorbia eriantha
Fred M. Roberts
2014-10-26
7902
San Bernardino
Sonoran Desert, CHEMEHUEVI VALLEY: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
UCR269712
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2016-3-15
42241
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains, c. 1.1 km NNE of Beal Well, north side of a rocky hill east of old Niland-Blythe Rd.
442
Comment
UCR269763
Euphorbia eriantha
A. C. Sanders, Jim Malusa
2016-3-17
42345
Imperial
Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass
629
Comment
UCR5292
Euphorbia eriantha
O. F. Clarke
1966-10-5
661005- 05
Riverside
Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon]
290
Comment
UCR59711
Euphorbia eriantha
A. C. Sanders
1989-9-19
9499
Riverside
Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target
680
Comment
UCR63887
Euphorbia eriantha
B. G. Pitzer
1989-4-15
1272
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Gasline Road, 8.1 mi. north of Seal Camp (Siphon 10)
400
Comment
UCR64774
Euphorbia eriantha
Hugh Green, Lorin Hicks
1978-4-26
s.n.
San Bernardino
Southeastern Mojave Desert/Northern Sonoran (Colorado) Desert, Ward Valley, west of Needles
235
Comment
UCR99746
Euphorbia eriantha
Christopher Christie
1997-2-17
145
San Bernardino
Sonoran (Colorado) Desert, Chemehuevi Mountains Wilderness Area
480
Comment
UCR99983
Euphorbia eriantha
B. G. Pitzer
1997-10-19
3326
Imperial
Sonoran (Colorado) Desert, Ogilby Road (Hwy S34) where powerlines cross Hwy c. 1 mi south of Indian Pass Road
198
Comment
UCSB30488
Euphorbia eriantha
Schroeder, Gail
1976-3-14
San Diego
0.25 miles west on Henderson Canyon Rd. from intersection with Borrego Springs Rd. and 0.25 miles S, at base of NE facing slope
207
Comment
RSA776846
Euphorbia eriantha
Amber Swanson
2011-3-18
232
Riverside
Down Rd from Corn Springs Campground in the Chuckwalla Mtns
Comment
UCD142348
Euphorbia eriantha
W. W. Robbins
1939-12-24
s.n.
San Diego
SE part of county.
Comment