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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CHSC35785
Asclepias asperula
Barry Prigge; J. Henrickson
1972-7-6
220
San Bernardino
Clark Mountain, SE slope, 4.3 miles NNW of Mountain Pass.
2194
Comment
CLARK-A1528-5131
Asclepias asperula
John C. Roos
1949-6-25
4490
San Bernardino
Clark Mountain Range
1737
Comment
CLARK-A1528-5236
Asclepias asperula
John C. Roos
1948-9-18
4042
San Bernardino
Clark Mountain Range
Comment
IRVC29384
Asclepias asperula
A. C. Sanders, Mark Elvin
2001-8-3
24580
San Bernardino
Clark Mtn., "Fir Canyon" on north side, 1-2.2 km above Green's Well Rd. Eastern Mojave Desert
1585
Comment
POM183899
Asclepias asperula
P. A. Munz
1932-9-15
12888
San Bernardino
Clark Mountains
1677
Comment
POM183900
Asclepias asperula
P. A. Munz
1932-9-15
12888
San Bernardino
Clark Mountains
1677
Comment
POM305399
Asclepias asperula
Henry J. Ramsey
1940-5-25
701
San Bernardino
Clark Mountains.
Comment
POM76084
Asclepias asperula
Marcus E. Jones
1906-5-2
s.n.
San Bernardino
Kelso
915
Comment
POM8281
Asclepias asperula
P. A. Munz, Johnston, Harwood
1920-5-21
4117
San Bernardino
Vicinity of Bonanza King Mine, East slope of Providence Mountains
1220
Comment
RSA13128
Asclepias asperula
C. B. Wolf
1935-5-27
7048
San Bernardino
Clark Mountains: 3/4 mile above Pachalka spring in first canyon to the east
1677
Comment
RSA16257
Asclepias asperula
C. B. Wolf
1935-5-26
7025
San Bernardino
Clark Mountains, 1.5 miles above Pachalka Spring in 2nd canyon to the east.
1829
Comment
RSA23251
Asclepias asperula
C. B. Wolf
1940-7-31
9729
San Bernardino
New York Mountains: Keystone Canyon, 1/2 mile below Keystone Spring
1524
Comment
RSA23498
Asclepias asperula
C. B. Wolf
1940-5-27
9645
San Bernardino
New York Mts: Keystone Canyon, 1/8 mile above Keystone Spring
1677
Comment
RSA247896
Asclepias asperula
R. F. Thorne, Tilforth
1973-6-20
44032
San Bernardino
Providence Mountains: Mitchell Caverns State Park, large canyon N & W of park headquarters
1341
Comment
RSA251047
Asclepias asperula
R. F. Thorne, Tilforth
1973-5-31
43700
San Bernardino
E. Mojave Desert, New York Mts.: Caruthers Canyon, upper end near Hard Cash Mine
1890
Comment
RSA252128
Asclepias asperula
R. F. Thorne, Tilforth
1973-6-21
44147
San Bernardino
New York Mountains: Narrow canyon above Sagamore Mine.
1738
Comment
RSA269347
Asclepias asperula
B. A. Prigge
1974-6-9
1525
San Bernardino
Clark Mountains: Big Pachalka Canyon, 5.5 miles NWW of Mt. Pass
1616
Comment
RSA269348
Asclepias asperula
B. A. Prigge
1973-6-23
1177
San Bernardino
Clark Mountains: Fir Canyon, 6 1/4 miles NW of Mt. Pass
1677
Comment
RSA269349
Asclepias asperula
B. A. Prigge
1973-7-6
1188
San Bernardino
Clark Mountains: at picnic ground 4 miles NW of Mt. Pass
1921
Comment
RSA269350
Asclepias asperula
B. A. Prigge
1973-6-15
1150
San Bernardino
Clark Mountains: Little Pachalka Canyon, first canyon E of Pachalka Springs, 5 1/4 miles NW of Mt. Pass
1677
Comment
RSA275416
Asclepias asperula
R. F. Thorne, DeBuhr, Walter Wisura, Prigge
1977-6-24
49454
San Bernardino
Clark Mountains: mouth of Forsellesia Canyon, 1 mile SW of Frank Curtis Mine (Juniper Claims)
1829
Comment
RSA401120
Asclepias asperula
R. S. Woglum, Harvey
1940-5-31
2786
San Bernardino
New York Mountains; Keystone Canyon.
Comment
RSA550209
Asclepias asperula
W. Wisura, Michael Wall, Brooks
1992-6-17
4799
San Bernardino
Mojave Desert: New York Mts., Caruthers Canyon
Comment
RSA667309
Asclepias asperula
A. C. Sanders, Mark Elvin
2001-8-3
24580
San Bernardino
Eastern Mojave Desert: Clark Mountains., Fir Canyon on north side, 1-2.2 km above Green s Well Rd.
1585
Comment
SBBG104650
Asclepias asperula
D. Goodward
1992-6-3
92 -2
San Bernardino
Clark Mtn, Fir Cyn just below the fir grove
Comment
SBBG12198
Asclepias asperula
E. R. Blakley
1960-4-23
3238
San Bernardino
Mitchell's Caverns
1341
Comment
SD128697
Asclepias asperula
Darley F. Howe
1980-5-26
San Bernardino
7.1 miles east of Cima Bridge
1460
Comment
SEINET2042313
Asclepias asperula
A. C. Sanders, Mark Elvin
2001-8-3
24580
San Bernardino
Eastern Mojave Desert; Clark Mountain ''Fir Canyon'' on N side, 1-2.2 km above Green's Well Rd. (Clark Mountain 7.5' Q)
1585
Comment
SFV8226
Asclepias asperula
T. Gordon, M. H. Grayum
1976-6-17
1581
San Bernardino
Mojave Desert Eastern Mojave Desert. New York Mountains. Keystone Canyon.
1707
Comment
UC1951126
Asclepias asperula
Scott D. White, Justin Wood
2009-5-22
12894
Riverside
SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad.
Comment
UCR116347
Asclepias asperula
A. C. Sanders, Mark Elvin
2001-8-3
24580
San Bernardino
Eastern Mojave Desert, Clark Mountain, 'Fir Canyon' on north side, 1-2.2 km above Green's Well Rd.
1707
Comment
UCR142051
Asclepias asperula
June Latting
1979-5-13
s.n.
San Bernardino
Eastern Mojave Desert, Caruthers Canyon, New York Mtns.
1800
Comment
UCR17728
Asclepias asperula
A. C. Sanders
1976-6-12
603
San Bernardino
Eastern Mojave Desert, North side of Clark Mountain, lower part of canyon below fir grove
1677
Comment
UCR26297
Asclepias asperula
John C. Roos
1949-6-25
4490
San Bernardino
Eastern Mojave Desert, near Coloseum Mine, north side Clark Mountain
1738
Comment
UCSB4914
Asclepias asperula
Haller, John
1960-4-23
San Bernardino
At campground, Mitchell Caverns State Park, Providence Mtns., 23 miles (by road) N.W. of U.S. 66 at Essex
1310
Comment
RSA0065399
Asclepias asperula
R. S. Woglum
1935-10-2
43
San Bernardino
Clark Mountains.
Comment
CAS-BOT-BC222843
Asclepias asperula subsp. asperula
Steve Boyd; Tammy Morgan
2004-6-1
11453
San Bernardino
Mojave Desert; East Mojave Desert region: Clark Mountains, western flank of the range in large canyon south of Pachalka Spring
1800
Comment
CAS-BOT-BC222844
Asclepias asperula subsp. asperula
A. C. Sanders; Mark Elvin
2001-8-3
24580
San Bernardino
Eastern Mojave Desert: Clark Mtn., Fir Canyon on north side, 1-2.2 km above Green's Well Rd.
1707
Comment
CAS-BOT-BC222845
Asclepias asperula subsp. asperula
Robert F. Thorne; L. DeBuhr; W. Wisura; B. Prigge
1977-6-24
49454
San Bernardino
E. Mojave Desert, Clark Mtn. Range: mouth of Forsellesia Canyon, c. 1 mi. SW of Frank Curtis' mine (Juniper Claims). E. San Bernardino Co.
1828
Comment
CAS-BOT-BC222846
Asclepias asperula subsp. asperula
Carl B. Wolf
1935-5-27
7048
San Bernardino
Mojave Desert, Clark Mt. 3/4 mi. above Pachalka Spring in 1st canyon to the East
1676
Comment
CAS-BOT-BC222847
Asclepias asperula subsp. asperula
Carl B. Wolf
1940-7-31
9729
San Bernardino
Mojave Desert, New York Mts. Keystone Canyon 1/2 mi. below Keystone Spring
1524
Comment
CAS-BOT-BC222848
Asclepias asperula subsp. asperula
Carl B. Wolf
1935-5-27
7048
San Bernardino
Mojave Desert, Clark Mt. 3/4 mi. above Pachalka Spring in 1st canyon to the East
1676
Comment
CAS-BOT-BC222849
Asclepias asperula subsp. asperula
James Henrickson
1973-5-28
10249
San Bernardino
Ca 8 (air) miles ESE of Kelso in Providence Mts., in lower limestone canyon extending NW of Bonanza King Mine
1356
Comment
CAS-BOT-BC222850
Asclepias asperula subsp. asperula
James Henrickson
1973-6-21
10897
San Bernardino
12 (air) miles ENE of Cima in Sagamore Canyon in SE New York Mts. in Sagamore Mine
1737
Comment
GMDRC1425
Asclepias asperula subsp. asperula
J. Andre, Jodi Ross
2004-6-16
4592
San Bernardino
New York Mtns: New York Mtns: Keystone Cyn, main west (left) drainage. Elev. 5575 ft.
1700
Comment
GMDRC1542
Asclepias asperula subsp. asperula
J. Andre, Jodi Ross
2004-6-16
4738
San Bernardino
New York Mtns: New York Mtns: Keystone Canyon, about mid-way up the main wash. Elev. 5575 ft.
1700
Comment
GMDRC2541
Asclepias asperula subsp. asperula
J. Andre, T. La Doux, G. L. Clifton
2007-10-24
8737
San Bernardino
Clark Mountain Range: in small canyon just N. of homestead site, approx 0.5 mi. W. of Colosseum Mine, N. side of Clark Mtn.. Elev. 5093 ft.
1553
Comment
GMDRC7518
Asclepias asperula subsp. asperula
J. M. Andre, Travis Columbus, Peter Pearlman
2015-6-23
32637
San Bernardino
Clark Mountain Range: Mojave National Preserve; SE side of range 0.4 mi. to southeast of picnic area, about 3.5 miles NW of Mountain Pass
1849
Comment
JEPS5070
Asclepias asperula subsp. asperula
Mary Beal
1938-5-26
508
San Bernardino
Upper Fountain Canyon, left branch Mohave Desert, Providence Mts.
Comment
JEPS68723
Asclepias asperula subsp. asperula
Annie M. Alexander and Louise Kellogg
1939-5-14
493
San Bernardino
opposite Mountain Pass Service Station (road to old zinc mine, s slope Clark Mt.); Clark Mt.
Comment Read comments Nov 4 2011
LA202852
Asclepias asperula subsp. asperula
C. B. Adams;
1935-5-27
7048
San Bernardino
Clark Mountain Range, 0.75 mi. above Pachalka Spring in 1st canyon to the E
1676
Comment
RSA0016125
Asclepias asperula subsp. asperula
Duncan S. Bell
2013-9-14
5850
San Bernardino
The Mescal Range; collecting in the center of the range, approximately 2 air miles southwest of Mountain Pass.
1626
Comment
RSA0065584
Asclepias asperula subsp. asperula
Jim Andre
2014-6-5
28306
San Bernardino
Clark Mountain Range: Mojave Natl. Preserve; northeast side of range, along Greens Well Rd, 0.5 mi. southwest of Colosseum Mine area.
1626
Comment
RSA45482
Asclepias asperula subsp. asperula
J. C. Roos
1948-9-18
4042
San Bernardino
North side of Clark Mountain, SW of Colisseum Mine
1921
Comment
RSA735632
Asclepias asperula subsp. asperula
Steve Boyd, Tammy Morgan
2004-6-1
11453
San Bernardino
Clark Mountains, western flank of the range in large canyon south of Pachalka Spring.
1433
Comment
RSA776984
Asclepias asperula subsp. asperula
Duncan S. Bell
2011-5-27
2579
San Bernardino
Mohawk Hill; south of Clark Mountain.
1730
Comment
RSA778568
Asclepias asperula subsp. asperula
J. Andre
2010-5-14
15199
San Bernardino
Clark Mountain Range; NE end of Mohawk Hill (on N-facing slopes), just north of radio tower, approx. 2 miles NW of Mountain Pass at I-15
1588
Comment
RSA778757
Asclepias asperula subsp. asperula
J. Andre
2010-6-2
15481
San Bernardino
New York Mountains; Mojave National Preserve; in small canyon 0.2 mile west of Mail Spring, 0.3 mile NE of mouth of Sagamore Canyon, south of Keystone Canyon
1561
Comment
RSA789668
Asclepias asperula subsp. asperula
J. Andre
2010-6-16
14499
San Bernardino
Clark Mountain Range; SE end of range 0.6 mi. west (above) Picnic Area
1989
Comment
UC1929337
Asclepias asperula subsp. asperula
Steve Boyd, Tammy Morgan
2004-6-1
11453
San Bernardino
Mojave Desert; East Mojave Desert region; Clark Mountains, western flank of the range in large canyon south of Pachalka Spring.
Comment
UC494696
Asclepias asperula subsp. asperula
P. A. Munz
1932-9-15
12888
San Bernardino
Clark Mtn.
1676
Comment
UC625617
Asclepias asperula subsp. asperula
Annie M. Alexander
1939-5-14
493
San Bernardino
old road to Zinc Mine (s slope of Clark Mt.); Clark Mt.
Comment Read comments Nov 4 2011
UCD121203
Asclepias asperula subsp. asperula
Terri Williamson
1990-5-26
79
San Bernardino
Copper World Mine Cima Rd., 5 mi. N of Hwy 15.
1219
Comment
UCR157295
Asclepias asperula subsp. asperula
June Latting, O. F. Clarke, A. C. Sanders & CNPS trip
1978-5-28
s.n.
San Bernardino
Eastern Mojave Desert, Clark Mountain, north of the peak in the canyon below the white fir grove
2012
Comment
UCR164205
Asclepias asperula subsp. asperula
Jim Andre, Jodi Ross
2004-6-16
4738
San Bernardino
Eastern Mojave Desert, New York Mtns: lower Keystone Cyn, in main wash
1700
Comment
UCR199841
Asclepias asperula subsp. asperula
Steve Boyd, Tammy Morgan
2004-6-1
11453
San Bernardino
Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring
1800
Comment
UCR216316
Asclepias asperula subsp. asperula
Jim Andre, Mark A. Elvin
2009-10-6
10994
San Bernardino
Eastern Mojave Desert, New York Mountains, midway up the Fourth of July Canyon, main drainage leading to highest peaks
1923
Comment
UCR220887
Asclepias asperula subsp. asperula
Jim Andre
2010-6-16
14499
San Bernardino
Eastern Mojave Desert, SE end of Clark Mountain Range, 0.6 mi. west (above) "Picnic Area"
1988.21
Comment
UCR224660
Asclepias asperula subsp. asperula
Jim Andre
2010-5-14
15199
San Bernardino
Mojave Desert, Clark Mountain Range, northeastern end of Mohawk Hill, just north of radio tower, c. 2 mi northwest of Mountain Pass at Hwy I-15
1588
Comment
UCR236312
Asclepias asperula subsp. asperula
Jim Andre
2010-6-2
15481
San Bernardino
Eastern Mojave Desert, New York Mountains, Mojave National Preserve; small canyon 0.2 mi west of Mail Spring, 0.3 mi northeast of mouth of Sagamore Canyon, south of Keystone Canyon
1560.8808
Comment
UCR246270
Asclepias asperula subsp. asperula
Jim Andre
2011-6-1
20502
San Bernardino
Eastern Mojave Desert, Mojave National Preserve; Clark Mountain Range, SE end of range 0.5 mi. NW of "Picnic Area"
1960
Comment
UCR268682
Asclepias asperula subsp. asperula
Jim Andre
2014-6-5
28306
San Bernardino
Northern Mojave Desert, Clark Mountain Range, Mojave National Preserve, northeast side of range, along Greens Well Road, 0.5 mi southwest of Colosseum Mine area
1627
Comment
GMDRC681
Asclepias asperula subsp. asperula
J. Evens
1999-6-8
111
San Bernardino
Mojave National Preserve: NY Mtns, in NE-facing canyon, approx. 3 mi. S. of Ivanpah on granitic cobble, 1400m
1400
Comment
GMDRC682
Asclepias asperula subsp. asperula
J. Andre
1999-6-8
3798
San Bernardino
Mojave National Preserve: NY Mtns, in NE-facing canyon, approx. 3 mi. S. of Ivanpah on granitic cobble, 1430m
1430
Comment
RSA0029825
Asclepias asperula subsp. asperula
John F. Emmel
1987-5-30
1056
San Bernardino
Eastern Mojave Desert; Providence Mts., west slope; canyon on north-facing slope south of Winston Basin, 0.2 to 0.4 air mile north of peak 6533 on 1956 USGS 15 topographic quadrangle.
1585
Comment
SEINET10580759
Asclepias asperula subsp. asperula
Robert F. Thorne, C. W. Tilforth
1973-6-21
Thorne 44147
San Bernardino
E Mojave Desert, New York Mts., narrow canyon above Sagamore Mine
1737
Comment
SEINET10580760
Asclepias asperula subsp. asperula
Robert F. Thorne, C. W. Tilforth
1973-6-20
Thorne 44032
San Bernardino
E Mojave Desert, Providence Mts., Mitchell Caverns State Park, large canyon N & W of park headquarters
1341
Comment
SEINET10580821
Asclepias asperula subsp. asperula
Carl B. Wolf
1935-5-27
Wolf 2443
San Bernardino
Mojave Desert, Clark Mountain, 3/4 mi above Pachalka Spring in first canyon to the east
1676
Comment
SEINET10895335
Asclepias asperula subsp. asperula
Carl B. Wolf
1940-7-31
Wolf s.n. 1940
San Bernardino
Mojave Desert, New York Mts., Keystone Canyon, 1/2 mi below Keystone Spring
1524
Comment
SEINET10928361
Asclepias asperula subsp. asperula
Carl B. Wolf
1935-5-26
Wolf s.n. 1935
San Bernardino
Mojave Desert, Clark Mountain, 1.5 mi above Pachalka Spring in second canyon to the east
1829
Comment