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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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GMDRC2973
Chamaesyce pediculifera
J. Andre, T. La Doux
2009-2-26
9892
Imperial
Palo Verde Mountains: Palo Verde Mountains: along major power line corridor (Palo Verde Road) that runs north-south through mountains 33 deg. 18.249' N 114 deg. 47.281' W. - 598 ft.
182
Comment
GMDRC5763
Chamaesyce pediculifera
J. M. Andre
2013-3-3
23945
Imperial
Yuha Desert, along dirt road 2.2 mi. SW of town of Ocotillo, about 1.5 mi. S. of I-8
165
Comment
HSC83082
Chamaesyce pediculifera
A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Bramlett
1986-3-9
6205
Imperial
Coyote Mtns., Fossil Canyon, 3.3 mi. N of Imperial Hwy. (S-2) at Ocotillo, on Shell Canyon Rd.
305
Comment
JEPS89275
Chamaesyce pediculifera
Rimo Bacigalupi and L. Heckard, P. C. Hutchison
1962-3-20
8330 A
Imperial
4.5 mi s Picacho ((which is on the Colorado River nw of Yuma), in gravel of wash in Box Canyon); Colorado River, Box Canyon
152
Comment
POM182332
Chamaesyce pediculifera
P. A. Munz, C. L. Hitchcock
1932-4-6
12155
Imperial
20 miles NE of Ogilby.
Comment
RSA0015712
Chamaesyce pediculifera
Duncan S. Bell, Heath Bartosh, Aaron Sims, Danny Slakey
2013-10-18
6080
Imperial
Jacumba Mountains; Skull Canyon to the east of Davies Canyon, about 0.75 air mile north of the U.S./Mexico border.
255
Comment
RSA0020672
Chamaesyce pediculifera
J. Andre
2013-3-3
23945
Imperial
Yuha Desert, along dirt road 2.2 miles SW of town of Ocotillo, about 1.5 miles S of I-8.
165
Comment
RSA0034203
Chamaesyce pediculifera
Duncan S. Bell, Kim Clark, Keir Morse, Donna Thomas, Adriana VanKlaveren
2013-3-9
s.n.
Imperial
Chocolate Mountains; in Arrastra Wash approximately 2.25 air miles northeast of Picacho Peak.
129
Comment
RSA0060371
Chamaesyce pediculifera
Duncan S. Bell
2012-3-23
3269
Imperial
Jacumba Mountains; eastern base of range; Palm Canyon Wash, approximately 3 air miles southeast of Dos Cabezas, and about 0.8 air mile east of the San Diego/Imperial county boarder.
344
Comment
RSA0096668
Chamaesyce pediculifera
Jim M. Andre
2015-3-3
31313
Imperial
Coyote Mountains; south end of range at mouth of Fossil Canyon, 0.6 mi. north of Shell Cyn Rd, approx. 2.5 mi. north of town of Ocotillo.
238
Comment
RSA159381
Chamaesyce pediculifera
I. L. Wiggins
1957-3-24
14042
Imperial
Painted Gorge, 5 miles N of Hwy 80.
Comment
RSA499212
Chamaesyce pediculifera
F. W. Peirson
1932-4-22
9796
Imperial
Midway Well
152
Comment
RSA613717
Chamaesyce pediculifera
George K. Helmkamp, E. A. Helmkamp
1998-3-19
2934
Imperial
Sonoran (Colorado) Desert Imperial Dam area, just south of the dam on Hwy S-24.
76
Comment
RSA70379
Chamaesyce pediculifera
F. W. Peirson
1932-3-22
9796
Imperial
Midway Well
152
Comment
RSA766601
Chamaesyce pediculifera
J. Andre, T. La Doux
2009-2-26
9892
Imperial
Palo Verde Mountains: along major power line corridor (Palo Verde Road) that runs north-south through mountains.
182
Comment
RSA788541
Chamaesyce pediculifera
Duncan S. Bell
2012-4-25
3531
Imperial
Coyote Mountains; an unnamed canyon approximately 2 air miles west of Fossil Canyon, approximately 5 air miles northwest of the town of Ocotillo.
314
Comment
SBBG87820
Chamaesyce pediculifera
A. C. Sanders
1986-3-9
6205
Imperial
Fossil Cyn, on Shell Cyn Rd, 3.3 mi N of Imperial Hwy (County Rd S-2) at Ocotillo; Coyote Mtns
304
Comment
SEINET3228140
Chamaesyce pediculifera
G. Rink, K. Routson, A Karl, Tasya Herkowitz
2012-9-3
11662
Imperial
North side of Hwy 78 about 5 miles south of Palo Verde in a steep gully
70
Comment
SEINET4153216
Chamaesyce pediculifera
G. Rink, K. Routson, A Karl, Tasya Herkowitz
2012-9-3
11662
Imperial
North side of Hwy 78 about 5 miles south of Palo Verde in a steep gully
70
Comment
UC110917
Chamaesyce pediculifera
T. S. Brandegee
Apr 1905
Imperial
Cariso [Carrizo] Mountain, Colorado Desert
Comment
UC605006
Chamaesyce pediculifera
Roxana S. Ferris and Ruth P. Rossbach
1938-5-17
9624
Imperial
Painted Gorge, upper end Carisso Mountains
Comment
UCR253340
Chamaesyce pediculifera
Jim Andre
2013-3-3
23945
Imperial
Sonoran (Colorado) Desert, Yuha Desert, along dirt road 2.2 mi southwest of town of Ocotillo, c. 1.5 mi south of Hwy I-8
165
Comment
RSA0128444
Chamaesyce pediculifera
G. Rink, K. Routson, A. Karl, Tasya Herkowitz
2012-9-3
11662
Imperial
North side of Hwy 78 about 5 miles south of Palo Verde.
70
Comment
RSA776453
Chamaesyce pediculifera
Amber Swanson, Duncan S. Bell
2011-2-24
159
Imperial
Fossil Canyon, up Shell Cyn to base of Coyote Mtns N of Ocotillo, east of dump
135
Comment
RSA776698
Chamaesyce pediculifera
Amber Swanson, Duncan S. Bell
2011-2-25
169
Imperial
Coyote Mtns, cyn W of Shell Cyn at top of ridge.
259
Comment
JEPS123652
Euphorbia pediculifera
J. Andre, T. La Doux
2009-2-26
9892
Imperial
Palo Verde Mountains, along major power line corridor (Palo Verde Road) that runs north-south through mountains.
Comment
OBI38400
Euphorbia pediculifera
A. C. Sanders, Pitzer, Charlton, Kniffen, Weir, Bramlett, et al
1986-3-9
6205
Imperial
Coyote Mts, Fossil Cyn, 3.3 mi N of Imperial Hwy (S-2) at Ocotillo, on Shell cyn rd T16S, R9E, NE1/4, sec 10
305
Comment
RSA0125410
Euphorbia pediculifera
Duncan S. Bell, John Anderson, Kim Clark, Keir Morse
2012-11-10
4354
Imperial
Palo Verde Mountains: southeast section of range, approximately 2.7 air miles southeast of Palo Verde Peak, and approximately 0.25 air mile west of Davis Lake.
71
Comment
RSA600254
Euphorbia pediculifera
L. C. Wheeler
1954-11-27
7121
Imperial
6 mi. south of Palo Verde, 2 miles north of John's Boat Landing.
Comment
RSA600256
Euphorbia pediculifera
L. C. Wheeler
1956-11-4
7241
Imperial
5 mi. south southwest of Palo Verde.
Comment
SD118357
Euphorbia pediculifera
Duffie Clemons, Erik Jonsson
1985-1-28
901
Imperial
Common in sandy wash of desert flat, south of SH 98. (IPB 10/07)
256
Comment
SD122403
Euphorbia pediculifera
Duffie Clemons, Erik Jonsson
1987-11-12
1901
Imperial
Palm Canyon Wash, in -Ko-Pah Gorge quad.
239
Comment
SD124709
Euphorbia pediculifera
A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett
1986-3-9
6231
Imperial
Painted Gorge, 5.1 miles north of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo, sparse creosote bush scrub in a canyon in marine sediments of gypsum rich clays
149
Comment
SD125119
Euphorbia pediculifera
Steven P. McLaughlin, Janice E. Bowers
1985-3-8
2915
Imperial
rocky west-facing slope, north end of Palo Verde Mountains, about 10 miles SW of Palo Verde
239
Comment
SD128213
Euphorbia pediculifera
Duffie Clemons, Erik Jonsson, Mike Curto
1989-9-20
2255
Imperial
Chocolate Mountains, NW of the junction of Indian Pass Road & Gavilan Wash, in gravelly basin of wash
295
Comment
SD143925
Euphorbia pediculifera
G. K. Helmkamp, E. A. Helmkamp
1998-3-19
2934
Imperial
Colorado Desert, Imperial Dam area just south of the dam on Hwy S-24 in rocky wash; 11SQG-3E 4N UTM10km cell
75
Comment
SD161400
Euphorbia pediculifera
Jon Rebman, Jim Rocks
2005-2-10
10952
Imperial
Little Picacho Wilderness Area (BLM property): North of Winterhaven, SW of Colorado River; approx. 18 miles N of S24 on Picacho Road; just south of the Picacho State Recreation Area
195
Comment
SD190630
Euphorbia pediculifera
Larry Hendrickson, Jon Rebman, et al.
2005-4-16
3163
Imperial
Picacho State Recreation Area. South side of the Colorado River, near Group Camp on N-side of main access road.
42
Comment
SD190631
Euphorbia pediculifera
Larry Hendrickson, Jon Rebman, et al.
2005-4-16
3209
Imperial
Picacho State Recreation Area, Bear Canyon Wash, ~ 1.5 SW of Colorado River.
114
Comment
SD242786
Euphorbia pediculifera
1993-3-3
Imperial
Shell Canyon
Comment
SD250489
Euphorbia pediculifera
Duncan S. Bell
2012-3-23
3269
Imperial
Jacumba Mountains; eastern base of range; Palm Canyon Wash, approximately 3 air miles southeast of Dos Cabezas and about 0.8 air mile east of the San Diego/Imperial county border. (In-Ko-Pah Gorge)
344
Comment
SD255145
Euphorbia pediculifera
Duncan S. Bell, Heath Bartosh, et al.
2013-10-18
6080
Imperial
Jacumba Mountains; Skull Canyon to the east of Davies Canyon, ca. 0.75 air mile north of the U. S. /Mexico border.
255
Comment
SD83098
Euphorbia pediculifera
Helen V. Witham
1972-12-12
1755
Imperial
Painted Gorge
149
Comment
SEINET3240077
Euphorbia pediculifera
Larry Hendrickson, Jon Rebman, et al
2005-1
3209
Imperial
Picacho State Recreation Area, Bear Canyon Wash, approx. 1.5 SW of Colorado River.
115
Comment
UCD77522
Euphorbia pediculifera
Robert E. Preston
1997-12-11
1078
Imperial
2.9 mi sse of Palo Verde Peak, along unnamed wash
121
Comment
UCR103601
Euphorbia pediculifera
George K. Helmkamp, E. A. Helmkamp
1998-3-19
2934
Imperial
Sonoran (Colorado) Desert, Imperial Dam area, just south of the dam on Hwy S-24.
76
Comment
UCR134115
Euphorbia pediculifera
June Latting
1967-3-25
s.n.
Imperial
Sonoran (Colorado) Desert, 0.5 mi. west of Ocotillo Junction on Hwy 80
183
Comment
UCR202848
Euphorbia pediculifera
Larry Hendrickson, Jon P. Rebman, et al.
2005-4-16
3209
Imperial
Sonoran (Colorado) Desert, Picacho State Recreation Area, Bear Canyon Wash, c. 1.5 mi southwest of the Colorado River
115
Comment
UCR211182
Euphorbia pediculifera
Jim Andre, T. La Doux
2009-2-26
9892
Imperial
Sonoran (Colorado) Desert, Palo Verde Mountains, along major powerline corridor (Palo Verde Road) that runs north-south through mountains, c. 1 mile south of pass
182
Comment
UCR268943
Euphorbia pediculifera
Jim Andre
2015-3-3
31295
Imperial
Sonoran (Colorado) Desert, eastern base of Jacumba Mountains, 1.3 mi south of Hwy 98, c. 2 mi south of Ocotillo
246
Comment
UCR41504
Euphorbia pediculifera
A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet
1986-3-9
6205
Imperial
Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road
305
Comment
UCR41749
Euphorbia pediculifera
A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet
1986-3-9
6231
Imperial
Sonoran (Colorado) Desert, Painted Gorge, 5.1 mi north of S-80 on Painted Gorge Road, c. 5 mi NE of Ocotillo
152
Comment
UCR45006
Euphorbia pediculifera
L. F. LaPre
1986-9-19
275
Imperial
Sonoran (Colorado) Desert, Cibola area, lower Milpitas Wash, NW of Three Finger Lake, Colorado River Valley
76
Comment
UCR50973
Euphorbia pediculifera
George K. Helmkamp
1988-2-28
s.n.
Imperial
Sonoran (Colorado) Desert, at end of a dirt road c. 2 miles WSW of Crucifixion Thorn Natural Area, SE of Ocotillo and SW of Hwy 98
153
Comment
SD73500
Euphorbia pediculifera var. pediculifera
Helen V. Witham
1970-3-1
702
Imperial
Pinto Wash
299
Comment