35.51965 35.61965 -115.72098 -115.62098 UC/JEPS: Consortium Search Results
Search Results — 444 specimen records retrieved (444 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC35186  Acamptopappus shockleyi Carl B. Wolf 1935-5-26 7013 San Bernardino Mojave Desert, Clark Mt., 1.6 mi. W of Pachalka Spring 1402 Comment
  GMDRC7724  Acamptopappus shockleyi J. M. Andre 2015-4-21 33391 San Bernardino Shadow Valley: Mojave Natl. Preserve; along dirt road 0.9 mi. east of Excelsior Mine Rd, approx. 7 mi. north of Valley Wells (Interstate 15), west of Clark Mountains. 1070 Comment
  LA202922  Acamptopappus shockleyi C. B. Wolf; 1935-5-26 7013 San Bernardino Clark Mountain Range, 1.6 mi. W. of (below) Pachalka Spring 1402 Comment
  RSA16319  Acamptopappus shockleyi Carl B. Wolf 1935-5-26 7013 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  RSA270441  Acamptopappus shockleyi B. A. Prigge 1973-5-11 852 San Bernardino NE San Bernardino County, Shadow Valley 10 miles NW of Mountain Pass. 1159 Comment
  UC718071  Acamptopappus shockleyi Carl B. Wolf 1935-5-26 7013 San Bernardino 1.6 mi w of (below) on rocky mesa Pachalka Spring; Mojave Desert, Clark Mt. 1402 Comment
  RSA275874  Achnatherum aridum R. F. Thorne, Walter Wisura, Davidson 1977-5-27 49124 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  RSA275866  Achnatherum speciosum R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49121 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  GH414768  Adenophyllum cooperi C. B. Wolf 1935-5-28 7061 Unknown Mojave Desert, Clark Mt., 1 3/10 mi. N.W. of Pachalka Spring 1463 Comment
  RSA425050  Aliciella humillima B. Pitzer 1987-6-21 580 San Bernardino West slope of Clark Mountain, on Excelsior Mine Road ca. 1 mile S of junction with power line road. 1006 Comment
  RSA124010  Aliciella hutchinsifolia Percy C. Everett 1958-5-13 23182 San Bernardino 9.8 miles n. along road to Valley Wells from U.S. Hwy. 91. 991 Comment
  RSA349829  Aliciella hutchinsifolia A. C. Sanders 1978-5-6 s.n. San Bernardino NW side of Clark Mtn. near the intersection of Excelsior Mine Rd. and the powerline road toward Keaney. 994 Comment
  UCD117501  Aliciella hutchinsifolia P. C. Everett; E. K. Balls 1958-5-13 23182 San Bernardino 9.8 miles N along road to Valley Wells from U.S. Highway 91. 990 Comment
  CAS-BOT-BC434491  Allionia incarnata Carl B. Wolf 1935-5-26 7011 San Bernardino Mojave Desert, Clark Mt. 1 6/10 mi. W. of (below) Pachalka Spring 1402 Comment
  GMDRC2467  Allionia incarnata J. Andre, B. O'Brien, T. La Doux 2007-10-2 8584 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx 3.5 mi E. of Excelsior Mine Rd.. Elev. 3818 ft. 1164 Comment
  RSA16317  Allionia incarnata Carl B. Wolf 1935-5-26 7011 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  UC718268  Allionia incarnata Carl B. Wolf 1935-5-26 7011 San Bernardino 1 6/10 mi w of (below) Pachalka Spring (Mohave Desert, Clark Mountain); Mohave Desert, Clark Mountain 1402 Comment
  UCR195245  Allionia incarnata Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8584 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  RSA275842  Aloysia wrightii Robert F. Thorne, Walter Wisura, C. Davisdon 1977-5-26 49135 San Bernardino Clark Mtn. range: above Pachalka Spring 1555 Comment
  RSA16171  Amaranthus fimbriatus C. B. Wolf 1935-10-8 7624 San Bernardino 7 8/10 mi. N of Valley Wells on Kingston road. 1037 Comment
  UCR195844  Amaranthus fimbriatus Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8773 San Bernardino Mojave Desert, Clark Mountain Range, along transmissio line road c. 4.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1180 Comment
  JEPS123579  Ambrosia dumosa J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8771 San Bernardino Clark Mountain Range, along transmission line road approx. 4.5 miles E of Excelsior Mine Road, N side of Clark Mountain. Comment
  RSA653873  Ambrosia eriocentra Valerie L. Soza, Bart O'Brien 2000-5-15 913 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.8 miles east from Kingston Road. 1264 Comment
  UCR147563  Ambrosia eriocentra Valerie Soza, B. O'Brien 2000-5-15 913 San Bernardino Eastern Mojave Desert, Clark Mountains, on road to Pachalka Spring, 2.8 mi E from Kingston Road 1265 Comment
  RSA124652  Amelanchier utahensis Percy C. Everett, E. K. Balls 1958-5-13 23165 San Bernardino W base, Clark Mts. 9.4 miles N from Hwy 91 on road to Kingston 991 Comment
  RSA269784  Amsinckia tessellata B. A. Prigge 1973-4-7 543 San Bernardino NE San Bernardino Co. Clark Mountain Range. 10 (air) miles NW of Mounain Pass, by powerline Comment
  SD99404  Amsonia tomentosa Christopher Davidson 1977-5-26 5738 San Bernardino Northwest of Clark Mtn., 0.3 miles east of junction of Powerline Road and Excelsior Mine Road, Shadow Valley. 975 Comment
  RSA275844  Amsonia tomentosa var. tomentosa R. F. Thorne, Walter Wisura, C. Davidson 1977-5-26 49049 San Bernardino Shadow Valley W of Clark Mountains, 0.5 mi. E of Excelsior Mine Rd. along power line rd. 1006 Comment
  RSA403042  Amsonia tomentosa var. tomentosa Christopher Davidson 1977-5-26 5738 San Bernardino NW of Clark Mountain, 0.3 mi E of junction of Powerline Rd. and Excelsior Mine Rd., Shadow Valley. 976 Comment
  RSA269439  Anemone tuberosa Barry A. Prigge, John Prigge 1973-4-7 533 San Bernardino NE San Bernardino Co., Clark Mtn. Range, 9-12 (air) miles NE of Mountain Pass, along powerline road. 1037 Comment
  RSA269487  Antirrhinum filipes Barry A. Prigge, John Prigge 1973-4-21 650 San Bernardino NE San Bernardino Co., California; Clark Mts Range, 7 (air) miles NWW of Mountain Pass, incactus Canyon; 1372 Comment
  RSA275876  Antirrhinum filipes Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49132 San Bernardino Clark Mountain Range, above Pachalka Spring 1616 Comment
  RSA275799  Arabis perennans R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49130 San Bernardino Clark Mountain Range, above Pachalka Spring 1616 Comment
  RSA275957  Arabis perennans R. F. Thorne, Walter Wisura, Christopher Davidson, B. Prigge 1977-5-26 49178 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth 1585 Comment
  RSA275791  Arenaria macradenia var. macradenia R. F. Thorne, Walter Wisura, C. Davidson, B. A. Prigge 1977-5-26 49146 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring 1372 Comment
  RSA124084  Argemone corymbosa Percy C. Everett, E. K. Balls 1958-5-13 23180 San Bernardino W base, Clark Mts. 9.4 miles N from Hwy 91 on road to Kingston 991 Comment
  UC1080240  Argemone corymbosa P. C. Everett and E. K. Balls 1958-5-13 23180 San Bernardino w base of Clark Mountains 9.4 mi from U. S. Highway 91 on road to Kingston Kingston; Clark Mountains, U. S. Highway 91 990 Comment
  UCD95171  Argemone corymbosa P. C. Everett 1958-5-13 23180 San Bernardino W Base of Clark Mountains, 9.4 miles from U.S. Hwy. 91 on road to Kingston. 990 Comment
  UCR89740  Argemone corymbosa J. M. Stewart 1993-4-24 701 San Bernardino Eastern Mojave Desert, Cima Road at Power Line Road c. 9 mi. north of Interstate Hwy 10. Shadow Valley 990 Comment
  RSA24790  Argemone corymbosa subsp. corymbosa Carl B. Wolf 1941-5-11 10333 San Bernardino Mojave Desert 8 mi, N of Valley Wells on Rd. to Kingston (at old Dept. Commerce airport). Comment
  RSA269627  Argemone munita subsp. rotundata Barry A. Prigge 1973-6-16 1162 -a San Bernardino Clark Mtn. Range; Cactus Canyon, 1 mi., w of Pachalka Spr., 7.5 mi. NW of Mt. Pass 1311 Comment
  RSA275420  Aristida adscensionis var. modesta R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. A. Prigge 1977-6-23 49427 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  RSA731876  Aristida purpurea Jim Andre, Bart O'Brien, Tasha La Doux 2007-10-2 8567 San Bernardino Clark Mountain Range: along powerline road on N side of Clark Mtn, approx. 4.3 mi. E of Excelsior Mine Road. 1159 Comment
  RSA732001  Aristida purpurea Jim Andre, Bart O'Brien, Tasha La Doux 2007-10-2 8578 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark.growing on rocky limstone alluvial gravels. 120 Comment
  JEPS123575  Aristida purpurea var. fendleriana J. Andre, B. O'Brien, T. La Doux 2007-10-2 8567 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  CAS-BOT-BC137521  Aristida purpurea var. nealleyi Barry A. Prigge; Robert F. Thorne; L. DeBuhr; W. Wisura 1977-6-23 1929 San Bernardino East Mojave Desert, Clark Mountain Range. 4 miles east of Excelsior Mine Road on power line road. 1188 Comment
  GMDRC2560  Aristida purpurea var. nealleyi J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8781 San Bernardino Clark Mountain Range: along transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn.. Elev. 3658 ft. 1115 Comment
  RSA269242  Aristida purpurea var. nealleyi B. A. Prigge 1973-5-11 843 San Bernardino NE San Bernardino County, Shadow Valley 10 miles NW of Mountain Pass. 1159 Comment
  RSA275936  Aristida purpurea var. nealleyi R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49133 San Bernardino Clark Mountain Range, above Pachalka Spring 1616 Comment
  SD107801  Aristida purpurea var. nealleyi Robert F. Thorne, L. DeBuhr, W. Wisura, B. Prigge 1977-6-23 49435 San Bernardino East San Bernardino County, East Mojave Desert, Clark Mountain Range, north side of Clark Mountains, ca. 1 mile west of junction of Power Line and Colosseum Roads. 1250 Comment
  GMDRC2465  Aristida purpurea var. wrightii J. Andre, B. O'Brien, T. La Doux 2007-10-2 8578 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn.. Elev. 3921 ft. 1195 Comment
  UCR195235  Aristida purpurea var. wrightii Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8578 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain 1195 Comment
  RSA275481  Asclepias erosa R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. Prigge 1977-6-23 49415 San Bernardino Shadow Valley: NW of Clark Mts. near junction of power line and Excelsior Mine Rds. 1006 Comment
  RSA275442  Asclepias nyctaginifolia R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. Prigge 1977-6-23 49420 San Bernardino Shadow Valley: NW of Clark Mts. near junction of power line and Excelsior Mine Rds. 1006 Comment
Read comments
Feb 19 2011
  GH369333  Astragalus C. B. Wolf 1935-5-28 7062 Unknown Mojave Desert, Clark Mt. 1 3/10 Mi. N.W. of Pachalka Spring 1463 Comment
  CAS-BOT-BC200766  Astragalus allochrous Carl B. Wolf 1935-5-28 7062 San Bernardino Mojave Desert, Clark Mt. 1 3/10 mi. N.W. of Pachalka Spring 1463 Comment
  UC914153  Astragalus layneae F. M. Reed, H. S. Reed 1937-5-4 751 San Bernardino plain five mi n Valley Wells (Mohave Desert); , n of Valley Wells 1066 Comment
  CAS-BOT-BC178159  Astragalus lentiginosus var. fremontii Carl B. Wolf 1935-5-28 7062 San Bernardino Clark Mt., 1 3/10 mi. NW of Pachalka Spring, Mojave Desert 1463 Comment
  RSA269733  Astragalus minthorniae var. villosus B. A. Prigge, John Prigge 1973-4-7 532 San Bernardino NE San Bernardino Co., Clark Mtn. Range, 10 air miles NW of Mountain Pass, by powerlines in Joshua Tree woodland. Comment
  RSA275748  Astragalus minthorniae var. villosus R. F. Thorne, Walter Wisura, Christopher Davidson, B. A. Prigge 1977-5-26 49170 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  SD108780  Astragalus minthorniae var. villosus Barry Prigge, John Prigge 1973-4-7 532 San Bernardino Clark Mountain Range, 9-12 air miles NE of Mountain Pass, along powerline road; in decomposed limestone alluvial fan in Creosote bush scrub 854 Comment
  RSA275853  Astragalus mohavensis R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49126 San Bernardino E. Mojave Desert, Clark Mountain Range: above Pachalka Spring. [w/ precise map] 1555 Comment
  RSA275780  Astragalus newberryi R. F. Thorne, Walter Wisura, Christopher Davidson, B. A. Prigge 1977-5-26 49171 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  UC718422  Astragalus newberryi Carl B. Wolf 1935-5-27 7051 San Bernardino large canyon to the nw Pachalka Spring ((over one divide), Clark Mt., Mojave Desert); Mojave Desert, Clark Mt., nw of Pachalka Spring 1981 Comment
  CAS-BOT-BC186477  Astragalus newberryi var. newberryi Carl B. Wolf 1935-5-27 7051 San Bernardino Mojave Desert, Clark Mt. Large canyon to the N.W. of Pachalka Spring (over one divide) 1981 Comment
  RSA269727  Astragalus nutans B. A. Prigge 1973-6-16 1165 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1310 Comment
  SEINET948574  Astragalus nutans Carl B. Wolf 1935-1 7062 San Bernardino Mojave Desert, Clark Mt. 1 3/10 mi. NW of Pachalka Spring 1463 Comment
  CAS-BOT-BC193373  Astragalus tidestromii Carl B. Wolf 1935-5-26 7005 San Bernardino Mojave Desert, Clark Mt. 1 6/10 mi. W. of (below) Pachalka Spring 1402 Comment
  UCR163231  Astragalus tidestromii G. R. Ballmer 2000-5-18 s.n. San Bernardino Eastern Mojave Desert, powerline road c. 100 m west of Shadow Valley Rd. 990 Comment
  UCR18090  Astragalus tidestromii A. C. Sanders 1978-5-6 00316 San Bernardino Eastern Mojave Desert, NW of Clark Mountain along the powerline road 1220 Comment
  UCR232100  Astragalus tidestromii Jim Andre 2011-4-6 18785 San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  CLARK-A1045-446  Atriplex confertifolia George K. Helmkamp 1977-5-29 San Bernardino Shadow Valley intersection of Kingston Road and Cima Road; creosote bush scrub; ; Clark Mt. 15'Q 1066 Comment
  LA204017  Bahiopsis parishii Carl B. Wolf; 1935-5-26 7012 San Bernardino Clark Mountain Range, 1.6 mi. W. of (below) Pachalka Spring 1402 Comment
  RSA16318  Bahiopsis parishii C. B. Wolf 1935-5-26 7012 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  CAS-BOT-BC99902  Baileya multiradiata Carl B. Wolf 1935-5-26 7000 San Bernardino Mojave Desert, Clark Mt. 1 6/10 mi. W. of (below) Pachalka Spring 1402 Comment
  CAS-BOT-BC99903  Baileya multiradiata Carl B. Wolf 1935-5-26 7000 San Bernardino Mojave Desert, Clark Mt. 1 6/10 mi. W. of (below) Pachalka Spring 1402 Comment
  OBI5997  Baileya multiradiata Carl B. Wolf 1935-5-26 7000 San Bernardino Mohave Desert, Clark Mt, 1.6 mi W of 9below) pachalka Spring 1402 Comment
  RSA606130  Baileya multiradiata C. B. Wolf 1935-5-26 7000 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  SD22853  Baileya multiradiata Carl B. Wolf 1935-5-26 7000 San Bernardino Clark Mountain; 1.6 miles west of Pachalka Spring. 1399 Comment
  CAS-BOT-BC106551  Baileya pleniradiata L. R. Abrams 1941-5-11 14020 San Bernardino Airway beacon 7 miles north of Valley Well, Mojave Desert 975 Comment
  RSA270443  Baileya pleniradiata B. A. Prigge 1973-5-20 1027 San Bernardino NE San Bernardino County, Shadow Valley, at intersection of Excelsior Mine Road and power line road, 9.7 miles NW of Mt Pass. 1037 Comment
  JEPS123666  Boerhavia wrightii J. Andre, B. O'Brien, T. La Doux 2007-10-2 8575 San Bernardino Clark Mountain Range; along powerline road on north side of Clark Mountains, approx. 4.3 miles E of Excelsior Mine Road. Comment
  RSA52801  Boerhavia wrightii J. C. Roos, A. R. Roos 1950-8-4 4892 San Bernardino North side of Clark Mtn. 1220 Comment
  RSA731874  Boerhavia wrightii Jim Andre, Bart O'Brien, Tasha La Doux 2007-10-2 8583 San Bernardino Clark Mountain Range: along powerline road on N side of Clark Mtn, approx. 3.5 mi. E of Excelsior Mine Road. 1164 Comment
  UC1010281  Boerhavia wrightii J. C. and A. R. Roos 1950-8-4 4892 San Bernardino n. slopes Clark Mt.; e. Mohave Desert, Clark Mt. 1219 Comment
  UCR195222  Boerhavia wrightii Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8583 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  UCR195252  Boerhavia wrightii Jim Andre, B. O'Brien, T. La Doux 2007-10-2 8575 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR19703  Boerhavia wrightii John C. Roos, A. R. Roos 1950-8-4 4892 San Bernardino Eastern Mojave Desert, north side of Clark Mountain 1220 Comment
  UCR195869  Bouteloua barbata Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8582 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  CLARK-A1528-4520  Bouteloua eriopoda John C. Roos, Alfred R. Roos 1950-8-4 4890 San Bernardino Clark Mountain 1219 Comment
  RSA450458  Bouteloua eriopoda J. C. Roos 1950-8-4 4890 San Bernardino N side of Clark Mountain, east Mojave Desert. Comment
Read comments
Aug 11 2011
  RSA45485  Bouteloua eriopoda J. C. Roos 1948-9-19 4031 San Bernardino North base of Clark Mountains 915 Comment
  UC1023410  Bouteloua eriopoda J. C. and A. R. Roos 1950-8-4 4890 San Bernardino n slopes Clark Mtn.; eastern Mohave Desert 1219 Comment
  UCR195255  Bouteloua eriopoda Jim Andre, B. O'Brien, T. La Doux 2007-10-2 8573 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR19675  Bouteloua eriopoda John C. Roos 1948-9-19 4031 San Bernardino Eastern Mojave Desert, N side of Clark Mountain along the powerline road 1067 Comment
  RSA653874  Brickellia arguta var. arguta Valerie L. Soza, Bart O'Brien 2000-5-15 912 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.8 miles east from Kingston Road. 1264 Comment
  UCR147604  Brickellia arguta var. arguta Valerie Soza, B. O'Brien 2000-5-15 912 San Bernardino Eastern Mojave Desert, Clark Mountains, on road to Pachalka Spring, 2.8 mi E from Kingston Road 1265 Comment
  GH404143  Brickellia atractyloides L. Abrams 1941-5-12 14079 Unknown 8 miles north of Valley Well air beacon on Excelsior Mine road, Kingston Mountains, Mojave Desert 1066 Comment
  RSA275779  Brickellia oblongifolia var. linifolia R. F. Thorne 1977-5-26 49172 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth 1585 Comment
  RSA269234  Calochortus flexuosus B. A. Prigge 1973-5-11 853 San Bernardino Clark Mountians. 9.5 miles NNW of Mt. Pass 1250 Comment
  RSA651260  Calochortus flexuosus Russell S. Woglum 1939-5-14 2363 -A San Bernardino Clark Mountains, Pachalka Springs Canyon. Comment
  CAS-BOT-BC282905  Calycoseris parryi L. R. Abrams 1941-5-11 14032 San Bernardino Excelsior Mine Road, between Valley Well air beacon and Kingston Mountains, 7 miles N of the air beacon, Mojave Desert 1005 Comment
  CAS-BOT-BC282906  Calycoseris parryi L. R. Abrams 1941-5-11 14027 San Bernardino Excelsior Mine Road, between Valley Well air beacon and Kingston Mountains, 7 miles N of the air beacon, Mojave Desert 1005 Comment
  RSA275771  Calycoseris parryi K. Thorne 1977-5-26 49175 San Bernardino Clark Mtn. Range: along trail to Fir Canyon near its mouth 1585 Comment
  RSA71122  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1923-5-21 3516 Los Angeles Fish Canyon 914 Comment
  RSA124058  Camissonia boothii subsp. condensata Percy C. Everett, E. K. Balls 1958-5-14 23187 San Bernardino Mojave Desert, in sandy wash, 9 miles north along road to Kingston Mountains from US Highway 91, west base of Clark Mountains 976 Comment
  UCR232105  Camissonia boothii subsp. condensata Jim Andre 2011-4-6 18780 San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  RSA275792  Camissonia brevipes subsp. brevipes Robert F. Thorne, Walter Wisura, C. Davidson, Barry A. Prigge 1977-5-26 49148 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  RSA145057  Camissonia campestris subsp. campestris Claude T. Powers, Thorp, Stage 1959-3-31 59 -54 Kern Short Canyon. Comment
  RSA124057  Camissonia chamaenerioides Percy C. Everett, E. K. Balls 1958-5-14 23188 San Bernardino 9 miles N along road to Kingston Mts, from Hwy 91, W base Clark Mts. 976 Comment
  RSA275801  Camissonia chamaenerioides Robert F. Thorne, Walter Wisura, C. Davidson, Barry A. Prigge 1977-5-26 49142 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  RSA124014  Camissonia claviformis subsp. aurantiaca Percy C. Everett, E. K. Balls 1958-5-14 23186 San Bernardino 9 mi. n. along road to Kingston Mts. from U.S. Hwy. 91 [Hwy 15], w. base Clark Mts 976 Comment
  RSA145058  Camissonia claviformis subsp. claviformis Claude T. Powers, Thorp, Stage 1959-3-31 59 -55 Kern Short Canyon. Comment
  RSA145059  Camissonia pallida subsp. pallida Claude T. Powers, Thorp, Stage 1959-3-31 59 -56 Kern Short Canyon. Comment
  RSA275933  Castilleja angustifolia Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49122 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1555 Comment
  UC1483341  Castilleja angustifolia Robert F. Thorne, W. Wisura, and C. Davidson 1977-5-27 49122 San Bernardino above Pachalka Spring (Clark Mtn. Range; e Mojave Desert, e San Bernardino County); Mojave Desert, Clark Mtn. Range 1554 Comment
  HSC79589  Caulanthus lasiophyllus B. A. Prigge 1973-4-7 545 San Bernardino Clark Mtn. Range, 10 air mi. NW of Mtn. Pass 1098 Comment
  RSA275875  Cercocarpus intricatus Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49136 San Bernardino Clark Mtn. range: above Pachalka Spring 1616 Comment
  RSA449427  Cercocarpus intricatus Christopher Davidson 1977-5-26 5682 San Bernardino Clark Mountains; Pachalka Spring. 1524 Comment
  GMDRC7723  Chaenactis carphoclinia J. M. Andre 2015-4-21 33388 San Bernardino Shadow Valley: Mojave Natl. Preserve; along dirt road 0.9 mi. east of Excelsior Mine Rd, approx. 7 mi. north of Valley Wells (Interstate 15), west of Clark Mountains. 1070 Comment
  CAS-BOT-BC277712  Chaenactis macrantha L. R. Abrams 1941-5-11 14050 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert 1005 Comment
  RSA16314  Chaenactis macrantha C. B. Wolf 1935-5-26 7008 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  UCR25512  Chaenactis macrantha R. E. Steele, Kelly P. Steele 1977-5-15 53 San Bernardino Eastern Mojave Desert, Clark Mountain, 4.5 miles NW of Clark Mt summit 1375 Comment
  CAS-BOT-BC279549  Chaenactis stevioides L. R. Abrams 1941-5-11 14034 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert 1005 Comment
  RSA269816  Chamaesyce albomarginata B. A. Prigge 1973-6-16 1164 a San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1310 Comment
  RSA52780  Chamaesyce revoluta J. C. Roos 1950-8-4 4891 San Bernardino North side of Clark Mtn. 1220 Comment
  GMDRC2464  Chamaesyce serpyllifolia J. Andre, B. O'Brien, T. La Doux 2007-10-2 8577 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx. 4.3 mi. E. of Excelsior Mine Rd.. Elev. 3801 ft. 1159 Comment
  RSA731877  Chamaesyce setiloba J. Andre, Bart O'Brien, T. La Doux 2007-10-2 8566 San Bernardino Clark Mountain Range: along powerline road on N side of Clark Mtn, approx. 4.3 mi. E of Excelsior Mine Road. 1159 Comment
  JEPS97803  Cheilanthes parryi S. B. Hogan 1991-2-16 4100 -1 San Bernardino 6.1 mi s of junction of Kingston Rd. and Excelsior mine Rd.; Clark Mtns. 1500 Comment
  RSA275862  Cheilanthes parryi R. F. Thorne, Walter Wisura, C. Davidson 1977-5-27 49127 San Bernardino E. Mojave Desert, Clark Mountain Range: above Pachalka Spring. [w/ precise map] 1555 Comment
  UCR17691  Chenopodium incanum var. occidentale A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-29 00280 San Bernardino Eastern Mojave Desert, Clark Mountain area, Powerline Road at Excelsior Mine Road, c. 7 mi. north of Valley Well 991 Comment
  UCR47632  Chenopodium incanum var. occidentale B. G. Pitzer 1987-6-21 0581 San Bernardino Eastern Mojave Desert, W slope of Clark Mountain, on Excelsior Mine Road, c. 1 mi. south of junction with powerline road 1006 Comment
  OBI36057  Chorizanthe brevicornu var. brevicornu Barry A. Prigge, R. F. Thorne, L. DeBuhr, and W. Wisura, W. Wisura 1977-6-23 1927 San Bernardino NE San Bernardino Co. E. Mojave Desert, Clark Mt Range. 4 mi E of Excelsior mine rd on power line rd 1189 Comment
  RSA269516  Chorizanthe rigida Barry A. Prigge 1973-4-21 683 San Bernardino Shadow Valley, 10.5 (air) miles NW of Mountain Pass, 1.3 miles E of Cima Road on Powerline Road. 1037 Comment
  UCR32258  Chorizanthe rigida B. A. Prigge, R. F. Thorne, Larry E. DeBuhr, W. Wisura 1977-6-23 1932 San Bernardino Eastern Mojave Desert, Clark Mountain Range: 4 mi east of Excelsior Mine Rd. on power line rd 1189 Comment
  RSA275931  Chrysothamnus nauseosus subsp. leiospermus R. F. Thorne 1977-5-27 49128 San Bernardino E Mojave Desert, clark Mtn Range: above Pachalka Spring 1616 Comment
  UCD103895  Chylismia claviformis subsp. aurantiaca P. C. Everett; E. K. Balls 1958-5-14 23186 San Bernardino 9 miles N along road to Kingston Mountains from U.S. Highway 91, W base Clark Mountains. 975 Comment
  RSA269306  Cirsium neomexicanum B. A. Prigge 1973-5-20 988 San Bernardino NE San Bernardino County, Clark Mt Range, Cactus Canyon, 7 miles NW of Mt Pass 1341 Comment
  RSA275867  Coleogyne ramosissima Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49134 San Bernardino Clark Mountain Range: above Pachalka Spring 1555 Comment
  RSA269356  Cryptantha barbigera B. A. Prigge 1973-5-20 987 San Bernardino NE San Bernardino County, Clark Mt Range, Cactus Canyon, 7 miles NW of Mt Pass 1341 Comment
  UCR218814  Cryptantha micrantha Jim Andre 2010-4-26 12859 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  RSA269370  Cryptantha utahensis B. A. Prigge, John Prigge 1973-4-21 646 San Bernardino NE San Bernardino Co., California; Clark Mts Range, 7 (air) miles NWW of Mountain Pass, incactus Canyon; 1372 Comment
  RSA269386  Cryptantha utahensis B. A. Prigge 1973-5-20 990 San Bernardino Clark Mt. Range, Cactus Canyon, 7 miles NW of Mt. Pass. 1280 Comment
  RSA13344  Cryptantha virginensis C. B. Wolf 1935-5-26 7001 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  RSA275934  Cryptantha virginensis R. F. Thorne, Walter Wisura, Christopher Davidson, B. Prigge 1977-5-26 49145 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring 1372 Comment
  UC718070  Cryptantha virginensis Carl B. Wolf 1935-5-26 7001 San Bernardino Mojave Deseret, Clark Mt. 1 6/10 mi. of (below) Pachalka Spring 1402 Comment
  UCR47504  Cryptantha virginensis C. B. Wolf 1935-5-26 07001 San Bernardino Eastern Mojave Desert, Clark Mountain, 1.6 mi west of (below) Pachalka Spring 1402 Comment
  RSA16144  Cucurbita palmata C. B. Wolf 1935-10-8 s.n. San Bernardino 7 8/10 mi. N of Valley Wells on Kingston road. 1037 Comment
  UC718369  Cucurbita palmata Carl B. Wolf 1935-10-8 7623 San Bernardino 7.8 mi. n. Valley Wells (on Kingston Rd.); Mojave Desert 1036 Comment
  UCR17706  Cymopterus multinervatus A. C. Sanders 1978-4-11 593 San Bernardino Eastern Mojave Desert, Clark Mountain area, Kingston Wash, 0.25 mi. west of intersection of Excelsior Mine Rd & road to Pachalka Spring 1030 Comment
  RSA275845  Dalea mollissima R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-26 49048 San Bernardino Shadow Valley W of Clark Mountains, 0.5 mi. E of Excelsior Mine Rd. along power line rd. 1006 Comment
  CAS-BOT-BC283058  Dasyochloa pulchella Robert F. Thorne; L. DeBuhr; W. Wisura; B. Prigge 1977-6-23 49428 San Bernardino N side of Clark Mtns., along power line road, c. 2 mi. W of jct. with Colosseum Road, E. Mojave Desert, Clark Mtn. Range 1219 Comment
  RSA275433  Dasyochloa pulchella R. F. Thorne, L. DeBuhr, Walter Wisura, B. Prigge 1977-6-23 49428 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  RSA414184  Dasyochloa pulchella Christopher Davidson 1977-5-26 5739 San Bernardino NW of Clark Mountain, 0.3 mi E of junction of Powerline Rd. and Excelsior Mine Rd., Shadow Valley. 976 Comment
  RSA275746  Delphinium parishii Robert F. Thorne, Barry A. Prigge, W. Wisura, Christopher Davidson 1977-5-26 49168 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  UCR195860  Descurainia pinnata subsp. glabra Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8770 San Bernardino Mojave Desert, Clark Mountain Range, along transmissio line road c. 4.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1180 Comment
  UCR232106  Descurainia pinnata subsp. glabra Jim Andre 2011-4-6 s.n. San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  CAS-BOT-BC43671  Dithyrea californica L. R. Abrams 1941-5-11 14022 San Bernardino Airway beacon 7 miles north of Valley Well, Mojave Desert. 975 Comment
  RSA0077285  Draba cuneifolia Jim Andre, Tasha La Doux, Glenn L. Clifton 2008-4-29 19438 San Bernardino NE end of range in Forsellesia Canyon. 1933 Comment
  RSA269395  Draba cuneifolia var. integrifolia B. A. Prigge, John Prigge 1973-4-21 661 San Bernardino Clark Mountain Range; 7.5 (air) miles NNW of Mountain Pass; Cactus Canyon. Comment
  RSA269324  Dyssodia cooperi B. A. Prigge 1973-5-20 991 San Bernardino Clark Mt. Range, Cactus Canyon, 7 miles NW of Mt. Pass. 1280 Comment
  GH414952  Dyssodia pentachaeta var. belenidium C. B. Wolf 1935-5-26 7004 Unknown Mojave Desert, Clark Mt., 1 6/10 Mi. W. of (below) Pachalka Spring 1402 Comment
  UCR18667  Dyssodia pentachaeta var. belenidium John C. Roos 1948-9-19 4032 San Bernardino Eastern Mojave Desert, N side of Clark Mountain along the powerline road 1067 Comment
  UCR195251  Dyssodia pentachaeta var. belenidium Jim Andre, B. O'Brien, T. La Doux 2007-10-2 8585 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  RSA275868  Elymus elymoides R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49123 San Bernardino E. Mojave Desert, Clark Mountain Range: above Pachalka Spring. [w/ precise map] 1555 Comment
  CAS-BOT-BC131453  Encelia virginensis James Henrickson 1970-5-16 4759 San Bernardino E Mojave Desert, road just N of Clark Mountains, ca 11 miles NNE of Valley Wells, on road NE of Providence Mts. 1249 Comment
  RSA653876  Encelia virginensis Valerie L. Soza, Bart O'Brien 2000-5-15 910 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.1 miles east from Kingston Road. 1188 Comment
  UC625679  Encelia virginensis Annie M. Alexander 1939-5-13 476 San Bernardino Power Line Rd. on mesa Comment
  CAS-BOT-BC175881  Encelia virginensis var. virginensis James Henrickson 1970-5-16 4759 San Bernardino E Mojave Desert, road just N of Clark Mountains, ca 11 miles NNE of Valley Wells, on road NE of Providence Mts. 1249 Comment
  RSA269312  Encelia virginensis var. virginensis B. A. Prigge 1973-6-16 1164 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1310 Comment
  RSA269315  Encelia virginensis var. virginensis B. A. Prigge 1973-5-11 840 San Bernardino NE San Bernardino County, Shadow Valley 10 miles NW of Mountain Pass. 1159 Comment
  RSA275434  Encelia virginensis var. virginensis R. F. Thorne, Larry E. DeBuhr, Walter Wisura, Barry A. Prigge 1977-6-23 49430 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  JEPS123567  Enneapogon desvauxii J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8779 San Bernardino Clark Mountain Range, along transmission line approx. 2.5 miles E of Excelsior Mine Road, N side of Clark Mountain. Comment
  JEPS123576  Enneapogon desvauxii J. Andre, B. O'Brien, T. La Doux 2007-10-2 8568 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  RSA736205  Enneapogon desvauxii Jim Andre, Tasha La Doux, Bart O'Brien 2007-10-2 8779 San Bernardino Clark Mountain Range: along the transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn 1115 Comment
  UCR195223  Enneapogon desvauxii Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8581 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  UCR195237  Enneapogon desvauxii Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8568 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  RSA275758  Ephedra nevadensis Robert F. Thorne, W. Wisura, C. Davidson, B. Prigge 1977-5-26 49140 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring 1372 Comment
  RSA275756  Ephedra viridis Robert F. Thorne, W. Wisura, C. Davidson 1977-5-26 49129 San Bernardino Clark Mountain Range, above Pachalka Spring 1616 Comment
  UCR195846  Eragrostis cilianensis Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8772 San Bernardino Mojave Desert, Clark Mountain Range, along transmissio line road c. 4.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1180 Comment
  UCD107062  Eremothera boothii subsp. desertorum P. C. Everett; E. K. Balls 1958-5-14 23187 San Bernardino 9 miles N along road to Kingston Mountains from U.S. Highway 91, W base Clark Mountains. 975 Comment
  UCD106917  Eremothera chamaenerioides P. C. Everett; E. K. Balls 1958-5-14 23188 San Bernardino 9 miles N along road to Kingston Mountains from U.S. Highway 91, W base Clark Mountains. 975 Comment
  UC718339  Ericameria laricifolia Carl B. Wolf 1935-10-6 7608 San Bernardino large canyon to the nw of Pachalka Spring ((over one divide), dry wash, gravel); Mojave Desert, Clark Mt. 1981 Comment
  UC1483304  Erigeron concinnus var. concinnus Robert F. Thorne, W. Wisura, C. Davidson, and B. Prigge 1977-5-26 49176 San Bernardino along trail to, near mouth of Fir Canyon; Mojave Desert, Clark Mt. Range 1584 Comment
  RSA275777  Erigeron pumilus subsp. concinnoides R. F. Thorne, Walter Wisura, Christopher Davidson, Barry A. Prigge 1977-5-26 49176 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth 1585 Comment
  RSA269519  Eriogonum brachypodum Barry A. Prigge 1973-6-16 1160 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1311 Comment
  RSA275445  Eriogonum brachypodum Robert F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49423 b San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi les W of junction with Colosseum Road 1220 Comment
  SEINET6329301  Eriogonum brachypodum Barry Prigge 1973-6-16 1160 San Bernardino Clark Mountain Range, Cactus Canyon, 1 mile W of Pachalka Spring, 7.5 miles NW of Mt Pass 1311 Comment
  RSA736208  Eriogonum deflexum Jim Andre, Tasha La Doux, Bart O'Brien 2007-10-2 8768 San Bernardino Clark Mountain Range: along the transmission line road approx 4.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn 1180 Comment
  GMDRC2556  Eriogonum deflexum var. baratum J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8768 San Bernardino Clark Mountain Range: along transmission line road approx 4.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn.. Elev. 3872 ft. 1180 Comment
  JEPS123566  Eriogonum deflexum var. baratum J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8768 San Bernardino Clark Mountain Range, along transmission line approx. 4.5 miles E of Excelsior Mine Road, N side of Clark Mountain. Comment
  RSA275446  Eriogonum deflexum var. baratum Robert F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49423 a San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi les W of junction with Colosseum Road 1220 Comment
  RSA275796  Eriogonum deflexum var. baratum Robert F. Thorne, C. Davidson, W. Wisura, B. A. Prigge 1977-5-26 49150 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UCR195863  Eriogonum deflexum var. baratum Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8768 San Bernardino Mojave Desert, Clark Mountain Range, along transmissio line road c. 4.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1180 Comment
  GMDRC2466  Eriogonum deflexum var. deflexum J. Andre, B. O'Brien, T. La Doux 2007-10-2 8579 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx. 4.3 mi. E. of Excelsior Mine Rd.. Elev. 3801 ft. 1159 Comment
  JEPS123549  Eriogonum deflexum var. deflexum J. Andre, B. O'Brien, T. La Doux 2007-10-2 8579 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 mi E of Excelsior Mine Road. Comment
  RSA731848  Eriogonum deflexum var. deflexum Jim Andre 2007-10-2 8579 San Bernardino Clark Mountain Range: along powerline road on N side of Clark Mtn, approx. 4.3 mi. E of Excelsior Mine Road. 1159 Comment
  UCR195221  Eriogonum deflexum var. deflexum Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8579 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain, c. 3.5 mi east of Excelsior Mine Road 1164 Comment
  UCR195224  Eriogonum deflexum var. deflexum Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8580 San Bernardino Mojave Desert, Clark Mountain Range, along powerline road on north side of Clark Mountain 1195 Comment
  RSA269527  Eriogonum fasciculatum var. polifolium Barry A. Prigge, John Prigge 1973-4-7 535 San Bernardino NE San Bernardino Co., Clark Mtn. Range, 10 air miles NW of Mountain Pass, by powerlines in Joshua Tree woodland. Comment
  UCSB39360  Eriogonum fasciculatum var. polifolium Sanders, R. 1977-5-15 San Bernardino 5 mi NW of summit of Clark Mtn 1524 Comment
  RSA275790  Eriogonum inflatum var. inflatum Robert F. Thorne, Walter Wisura, C. Davidson, B. A. Prigge 1977-5-26 49147 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UCR218892  Eriogonum maculatum Jim Andre 2010-4-26 12869 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  UCSB39359  Eriogonum mohavense Sanders, R. 1977-5-15 San Bernardino 5 mi NW of summit of Clark Mtn 1524 Comment
  RSA16280  Eriogonum nidularium Carl B. Wolf 1935-5-26 7006 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  RSA269549  Eriogonum nidularium Barry A. Prigge 1973-5-19 986 San Bernardino Clark Mountain Range Cactus Canyon, 7 miles NW of Mt. Pass 1341 Comment
  RSA736207  Eriogonum nidularium Jim Andre, Tasha La Doux, Bart O'Brien 2007-10-2 8769 San Bernardino Clark Mountain Range: along transmission line road approx 4.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn. 1180 Comment
  UCR195848  Eriogonum nidularium Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8769 San Bernardino Mojave Desert, Clark Mountain Range, along transmissio line road c. 4.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1180 Comment
  CAS-BOT-BC266922  Eriogonum panamintense Carl B. Wolf 1935-10-6 7604 San Bernardino Clark Mt., large canyon to the northwest of Pachalka Spring (over one divide), Mojave Desert 1981 Comment
  UC718335  Eriogonum panamintense var. panamintense Carl B. Wolf 1935-10-6 7604 San Bernardino large canyon nw (over one divide) Pachalka Spring; Mojave Desert, Clark Mt. 1981 Comment
  CAS-BOT-BC253042  Eriogonum reniforme Robert F. Thorne; L. DeBuhr; W. Wisura; B. Prigge 1977-6-23 49418 San Bernardino NW of Clark Mts. near junction of power line and Excelsior Mine Roads, Shadow Valley, E. Mojave Desert 1005 Comment
  RSA275954  Eriogonum reniforme Robert F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49418 San Bernardino Shadow Valley: NW of Clark Mts. near junction of power line and Excelsior Mine Rds. 1006 Comment
  RSA275475  Eriogonum thomasii Robert F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49422 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi les W of junction with Colosseum Road 1220 Comment
  RSA275447  Eriogonum trichopes Robert F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49419 San Bernardino Shadow Valley: NW of Clark Mts. near junction of power line and Excelsior Mine Rds. 1006 Comment
  CAS-BOT-BC268159  Eriogonum umbellatum var. juniporinum Carl B. Wolf 1935-10-6 7607 San Bernardino Mojave Desert, Clark Mt. Large canyon to the northwest of Pachalka Spring (over one divide) 1981 Comment
  UC718338  Eriogonum umbellatum var. subaridum Carl B. Wolf 1935-10-6 7607 San Bernardino large canyon over nw Pachalka Spring (over one divide); Mojave Desert, Clark Mt. 1981 Comment
  UCR131709  Eriogonum umbellatum var. subaridum C. B. Wolf 1935-10-6 07607 San Bernardino Eastern Mojave Desert, Clark Mountain, large canyon to the northwest of Pachalka Spring, over the divide 1982 Comment
  HSC65790  Erioneuron pulchellum R. F. Thorne, Larry E. DeBuhr, W. Wisura, B. A. Prigge 1977-6-23 49428 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 miles W of junction with Colosseum Road. Elevation c. 4000 ft. 1220 Comment
  CAS-BOT-BC296494  Eriophyllum wallacei L. R. Abrams 1941-5-11 14033 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert 1005 Comment
  RSA653872  Erodium cicutarium Valerie L. Soza, Bart O'Brien 2000-5-15 914 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.8 miles east from Kingston Road. 1265 Comment
  SEINET5527608 Image available Erodium cicutarium Barry Prigge 1973-4-7 546 San Bernardino Clark Mountain Range, 10 air miles NW of Mountain Pass, by powerlines Comment
  UCD94333  Eschscholzia glyptosperma Shannon M. Still; Carolyn Still, Steven Still 2009-3-26 500 San Bernardino California. San Bernardino County: Mojave National Preserve. 1271 Comment
  UCD94334  Eschscholzia glyptosperma Shannon M. Still; Carolyn Still, Steven Still 2009-3-26 501 San Bernardino California. San Bernardino County: Mojave National Preserve. 1051 Comment
  CLARK-A1528-2706  Euphorbia revoluta John C. Roos 1950-8-4 San Bernardino Clark Mountain Range Comment
  JEPS123573  Euphorbia revoluta J. Andre, B. O'Brien, T. La Doux 2007-10-2 8565 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  UCR195871  Euphorbia revoluta Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8565 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR22192  Euphorbia revoluta John C. Roos, A. R. Roos 1950-8-4 4891 San Bernardino Eastern Mojave Desert, north side of Clark Mountain 1220 Comment
  UCR195236  Euphorbia serpillifolia Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8577 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR195238  Euphorbia setiloba Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8566 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  GH417031  Galium parishii C. B. Wolf 1935-5-27 7058 Unknown Mojave Desert, Clark Mt., large canyon to the N.W. of Pachalka Spring (over one divide) 1981 Comment
  RSA269457  Galium proliferum Barry A. Prigge 1973-5-19 945 San Bernardino Clark Mt. Range: A north fork of the Little Pachalka Canyon, 4.6 miles NE of Mt Pass. 1677 Comment
  UCR226753  Galium proliferum Jim Andre 2003-5-26 15077 San Bernardino Eastern Mojave Desert, Clark Mountain Range, Mojave National Preserve, 200 m east of Pachalka Spring 1524 Comment
  RSA16277  Gaura coccinea Carl B. Wolf 1935-5-26 7003 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  RSA275734  Gaura coccinea Robert F. Thorne 1977-5-26 49153 San Bernardino E. Mojave Desert, Clark Mountain Range. along power line road, N side of Clarks. 1220 Comment
  UCR20487  Gilia cana A. C. Sanders 1978-5-6 486 San Bernardino Eastern Mojave Desert, NW side of Clark Mountain 1024 Comment
  RSA269643  Gilia cana subsp. speciformis B. A. Prigge, John Prigge 1973-4-21 676 San Bernardino Shadow Valley, 10.5 (air) miles NW of Mountain Pass, 1.3 miles E of Cima Road on Powerline Road. 1037 Comment
  UCR218885  Gilia cana subsp. speciformis Jim Andre 2010-4-26 12868 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  RSA16315  Gilia clokeyi C. B. Wolf 1935-5-26 7009 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  RSA269646  Gilia clokeyi B. A. Prigge 1973-5-11 849 San Bernardino NE San Bernardino County, Shadow Valley 10 miles NW of Mountain Pass. 1159 Comment
  UC1080241  Gilia hutchinsifolia P. C. Everett and E. K. Balls 1958-5-13 23182 San Bernardino along road to Valley Wells (9.8 mi n from U.S. Hwy 91) 990 Comment
  UCR20559  Gilia hutchinsifolia A. C. Sanders 1978-5-6 496 San Bernardino Eastern Mojave Desert, NW side of Clark Mountain, near the intersection of Excelsior Mine Road and the powerline road toward Keany Pass 993 Comment
  UCR47630  Gilia leptomeria B. G. Pitzer 1987-6-21 0580 San Bernardino Eastern Mojave Desert, W slope of Clark Mountain, on Excelsior Mine Road, c. 1 mi. south of junction with powerline road 1006 Comment
  RSA275938  Gilia ophthalmoides R. F. Thorne, Walter Wisura, Christopher Davidson, B. A. Prigge 1977-5-26 49174 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  CHSC35379  Gilia stellata Barry Prigge; John Prigge 1973-4-20 602 San Bernardino Shadow Valley, 9 (air) miles NW of Mountain Pass along Cima Rd. 1051 Comment
  RSA269654  Gilia stellata B. A. Prigge, John Prigge 1973-4-21 658 San Bernardino Clark Mountain Range, Cactus Canyon, 7.5 (air) miles NWW of Mountain Pass. 1311 Comment
  RSA269659  Gilia transmontana B. A. Prigge, John Prigge 1973-4-21 674 San Bernardino Shadow Valley; 10.75(air) miles NWW of mountain Pass, on power line road 1 miles E of Cima Road Comment
  RSA269660  Gilia transmontana B. A. Prigge 1975-5-25 1630 San Bernardino Clark MT Range, Jackass Canyon, 6.8 miles NW of Mt Pass. 1555 Comment
  UCR218886  Gilia transmontana Jim Andre 2010-4-26 12862 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  GMDRC4231  Glyptopleura marginata J. Andre 2010-4-26 12864 San Bernardino Shadow Valley: 0.5 mi. west of Excelsior Mine Rd, approx. 9.5 mi. north of I-15 at Valley Wells 981 Comment
  RSA124056  Glyptopleura marginata Percy C. Everett, E. K. Balls 1958-5-14 23189 San Bernardino 9 mi. n. along road to Kingston Mts. from U.S. Hwy. 91 [Hwy 15], w. base Clark Mts 976 Comment
  RSA269406  Guillenia lasiophylla B. A. Prigge 1973-4-7 545 San Bernardino NE San Bernardino Co., Clark Mtn. Range, 10 air miles NW of Mountain Pass, by powerlines in Joshua Tree woodland. Comment
  SD99358  Hedeoma nana subsp. californica Christopher Davidson 1977-5-26 5716 San Bernardino Clark Mountain, Pachalka Spring. 1524 Comment
  UC718425  Hymenoxys cooperi Carl B. Wolf 1935-5-27 7055 San Bernardino large canyon to the nw (over one divide) Pachalka Spring; Mojave Desert, Clark Mt. 1981 Comment
  RSA16281  Ipomopsis polycladon C. B. Wolf 1935-5-26 7007 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  UC718475  Ipomopsis polycladon Carl B. Wolf 1935-5-26 7007 San Bernardino 1.6 mi w Pachalka Spring; Mojave Desert, Clark Mt. 1402 Comment
  UCR218883  Ipomopsis polycladon Jim Andre 2010-4-26 12861 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  GMDRC4739  Juncus xiphioides J. Andre 2003-5-26 15078 San Bernardino Clark Mountain Range: Mojave National Preserve; Pachalka Spring 1524 Comment
  RSA275448  Krameria erecta Robert F. Thorne, Walter Wisura, Larry E. DeBuhr, Barry A. Prigge 1977-6-23 49424 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  RSA275843  Krameria erecta Robert F. Thorne, Christopher Davidson, Walter Wisura 1977-5-26 49050 San Bernardino Shadow Valley W of Clark Mountains, 0.5 mi. E of Excelsior Mine Rd. along power line rd. 1006 Comment
  SD99395  Krameria erecta Christopher Davidson 1977-5-26 5740 San Bernardino Northwest of Clark Mountain, 0.3 mile east of junction of Powerline Road and Excelsior Mine Road, Shadow Valley. 975 Comment
  UCR32257  Krameria erecta B. A. Prigge, R. F. Thorne, Larry E. DeBuhr, W. Wisura 1977-6-23 1928 San Bernardino Eastern Mojave Desert, Clark Mountain Range: 4 mi east of Excelsior Mine Rd. on power line rd 1189 Comment
  RSA269821  Krascheninnikovia lanata B. A. Prigge 1973-5-20 989 San Bernardino Clark Mt. Range, Cactus Canyon, 7 miles NW of Mt. Pass. 1280 Comment
  RSA270072  Krascheninnikovia lanata James Henrickson 1970-5-16 4757 San Bernardino Road just N of Clark Mountains, ca. 11 miles NNE of Valley Wells. 1250 Comment
  RSA271302  Krascheninnikovia lanata James Henrickson 1970-5-16 4757 San Bernardino Road just N of Clark Mountains, ca. 11 miles NNE of Valley Wells. 1250 Comment
  RSA16316  Langloisia setosissima subsp. punctata C. B. Wolf 1935-5-26 7010 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  RSA269667  Langloisia setosissima subsp. punctata B. A. Prigge 1973-5-11 850 San Bernardino NE San Bernardino County, Shadow Valley 10 miles NW of Mountain Pass. 1159 Comment
  RSA275465  Langloisia setosissima subsp. punctata R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. A. Prigge 1977-6-23 49434 San Bernardino Clark Mts. Range: N side of Mt. 1 mi. W of jct. of power line and Colosseum Rds. 1250 Comment
  UC718473  Langloisia setosissima subsp. punctata Carl B. Wolf 1935-5-26 7010 San Bernardino 1.6 mi. w. of (below) Pachalka Spring; Mojave Desert, Clark Mt. 1402 Comment
  UCR218896  Lappula occidentalis var. cupulata Jim Andre 2010-4-26 12865 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  UCR23250  Larrea tridentata John C. Roos 1950-8-4 s.n. San Bernardino Eastern Mojave Desert, north side of Clark Mountain 1220 Comment
  CHSC106539  Lepidium lasiocarpum subsp. lasiocarpum J. Andre 2010-4-26 12863 San Bernardino Shadow Valley; 0.5 mi. west of Excelsior Mine Rd, approx. 9.5 mi. north of I-15 at Valley Wells. 981 Comment
  RSA761253  Lepidium lasiocarpum var. lasiocarpum J. Andre 2010-4-26 12863 San Bernardino Shadow Valley; 0.5 miles west of Excelsior Mine Road, approx. 9.5 miles north of I-15 at Valley Wells 981 Comment
  UCR232082  Lepidium lasiocarpum var. lasiocarpum Jim Andre 2011-4-6 18783 San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  RSA269675  Leptosiphon aureus B. A. Prigge, John Prigge 1973-4-21 666 San Bernardino Shadow Valley, 10.5 miles N of I-15 on Cima Road. 1006 Comment
  RSA269677  Leptosiphon aureus B. A. Prigge 1973-4-7 547 San Bernardino Shadow Valley, 11 (air) miles NW of mountain Pass at Cima Rd and powerlines. 1000 Comment
  CHSC35376  Leptosiphon aureus subsp. aureus Barry Prigge 1973-4-7 547 San Bernardino Shadow Valley, 11 (air) miles NW of Mountain Pass at Cima Rd and powerlines. 999 Comment
  HSC79885  Leptosiphon aureus subsp. aureus B. A. Prigge 1973-4-7 547 San Bernardino Shadow Valley, 11 mi. NW of Mtn. Pass at Cima Rd. and powerlines 1000 Comment
  SEINET7968386 Image available Leptosiphon chrysanthus subsp. chrysanthus Barry Prigge 1973-4-7 547 San Bernardino Shadow Valley, 11 air miles NW of Mountain Pass at Cima Road and powerlines 1000 Comment
  UCR89741  Linanthus aureus J. M. Stewart 1993-4-24 700 San Bernardino Eastern Mojave Desert, Cima Road at Power Line Road c. 9 mi. north of Interstate Hwy 10. Shadow Valley 990 Comment
  RSA124011  Linanthus demissus Percy C. Everett, E. K. Balls 1958-5-13 23183 San Bernardino 9.4 mi. n. from U.S. Hwy. 91 on road to Kingston. Comment
  UCR18109  Linanthus demissus A. C. Sanders 1978-5-6 529 San Bernardino Eastern Mojave Desert, NW of Clark Mountain along the powerline road 1220 Comment
  RSA275747  Linum lewisii Robert F. Thorne, Walter Wisura, Barry A. Prigge, Christopher Davidson 1977-5-26 49169 San Bernardino Clark Mountain Range: along trail to Fir Canyon near its mouth. 1585 Comment
  RSA275956  Linum lewisii Robert F. Thorne, Walter Wisura, Barry A. Prigge, Christopher Davidson 1977-5-26 49149 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UCR183082  Linum lewisii Mitch Provance 2001-5-4 4813 San Bernardino Eastern Mojave Desert, W side of the Clark Mountain Range, west of Keany Pass, c. 1.8 miles due north of peak 1479 427 Comment
  GMDRC4232  Lycium cooperi J. Andre 2010-4-26 12867 San Bernardino Shadow Valley: 0.5 mi. west of Excelsior Mine Rd, approx. 9.5 mi. north of I-15 at Valley Wells 981 Comment
  RSA94376  Madia exigua F. W. Peirson 1923-5-21 3511 Los Angeles Fish Canyon 914 Comment
  CAS-BOT-BC347750  Malacothrix glabrata L. R. Abrams 1941-5-11 14294 San Bernardino Excelsior Mine road between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert 1005 Comment
  GMDRC4230  Malcolmia africana J. Andre 2010-4-26 12860 San Bernardino Shadow Valley: 0.5 mi. west of Excelsior Mine Rd, approx. 9.5 mi. north of I-15 at Valley Wells 981 Comment
  UCR218884  Malcolmia africana Jim Andre 2010-4-26 12860 San Bernardino Mojave Desert, Shadow Valley, 0.5 mi west of Excelsior Mine Road, [Kingston Wash] c. 9.5 mi north of Hwy I-15 at Valley Wells 981 Comment
  GMDRC4740  Malus sylvestris J. Andre 2003-5-26 15079 San Bernardino Clark Mountain Range: Mojave National Preserve; Pachalka Spring 1524 Comment
  UCR195859  Menodora spinescens Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8776 San Bernardino Mojave Desert, Clark Mountain Range, along transmission line road c. 2.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1115 Comment
  RSA269718  Mentzelia albicaulis Barry A. Prigge 1973-4-21 643 San Bernardino NE San Bernardino Co., California; Clark Mts Range, 7 (air) miles NWW of Mountain Pass, incactus Canyon; 1372 Comment
  RSA275762  Mentzelia albicaulis Robert F. Thorne, Walter Wisura, Christopher Davidson, Barry A. Prigge 1977-5-26 49143 San Bernardino E Mojave Desert, Clark Mtn range, Cactus Canyon below 2 miles W of Pachalka Spring. 1372 Comment
  CLARK-A1528-3167  Mentzelia longiloba John C. Roos 1949-5-29 4373 San Bernardino Clark Mountain Range 1219 Comment
  GMDRC2463  Mentzelia oreophila J. Andre, B. O'Brien, T. La Doux 2007-10-2 8576 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx. 4.3 mi. E. of Excelsior Mine Rd.. Elev. 3801 ft. 1159 Comment
  GMDRC5919  Mentzelia oreophila J. Andre, T. La Doux, G. L. Clifton 2008-4-29 19427 San Bernardino Clark Mountain Range: north end of range along major powerline road, 4.5 mi. east of Excelsior Mine Rd 1229 Comment
  HSC101199  Mentzelia oreophila Jim Andre, T. La Doux, G. L. Clifton 2008-4-29 19427 San Bernardino Clark Mountain Range; north end of range along major powerline road, 4.5 mi. east of Excelsior Mine Rd. 1229 Comment
  JEPS123596  Mentzelia oreophila J. Andre, B. O'Brien, T. La Doux 2007-10-2 8576 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  RSA0117763  Mentzelia oreophila Jim Andre, Tasha La Doux, G. L. Clifton 2008-4-29 19427 San Bernardino Clark Mountain Range; north end of range along major powerline road, 4.5 mi. east of Excelsior Mine Rd. 1229 Comment
  RSA264197  Mentzelia oreophila C. W. Tilforth 1977-7-10 1379 San Bernardino Power line road north of Clark Mtn, c. .3 mi. east of Excelsior Mine Road. Comment
  RSA275471  Mentzelia oreophila Robert F. Thorne, Larry E. DeBuhr, Walter Wisura, Barry A. Prigge 1977-6-23 49429 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  RSA449943  Mentzelia oreophila J. C. Roos 1950-8-4 s.n. San Bernardino North side of Clark Mtn. 1220 Comment
  SEINET220903  Mentzelia oreophila Robert F. Thorne, L. DeBuhr; W Wisura. 49429 San Bernardino E. Mojave desert, Clark Mtn. Range: N. side of Clark Mtns., along power line road. 2 mi. W of jct. with Colosseium Roa 1219 Comment
  UCR17692  Mentzelia oreophila A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-29 421 San Bernardino Eastern Mojave Desert, Clark Mountain, along Powerline Road, +- 3 mi. NE of Excelsior Mine Road, toward Keany Pass 1159 Comment
  UCR195239  Mentzelia oreophila Jim Andre, T. La Doux, B. O'Brien, 2007-10-2 8576 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR60554  Mentzelia polita R. F. Thorne, W. Wisura, C. Davidson, B. A. Prigge 1977-5-26 49156 San Bernardino Eastern Mojave Desert, Clark Mountain Range, powerline road on the north side of the mtn. 1220 Comment
  RSA0121619  Mentzelia puberula Duncan S. Bell, Andrew Chambers 2016-6-8 9689 San Bernardino Clark Mountains; along the powerline road on the north side of the range, approximately 5.5 air miles southwest of Keany Pass. 1172 Comment
  RSA275800  Mimulus bigelovii var. bigelovii Robert F. Thorne, Walter Wisura, C. Davidson, B. A. Prigge 1977-5-26 49139 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UC1483362  Mimulus bigelovii var. bigelovii Robert F. Thorne, W. Wisura, C. Davidson, and B. Prigge 1977-5-26 49139 San Bernardino below (ca. 2 mi w) Pachalka Spring; Mojave Desert, Clark Mtn. Range, Cactus Canyon 1371 Comment
  RSA65508  Minuartia douglasii F. W. Peirson 1923-5-21 4155 Los Angeles Fish Canyon 914 Comment
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  CAS-BOT-BC384094  Mirabilis laevis var. villosa Carl B. Wolf 1935-5-27 7056 San Bernardino Mojave Desert, Clark Mt. Large canyon to the N.W. of Pachalka Spring (over one divide) 1981 Comment
  RSA275850  Mirabilis laevis var. villosa Robert F. Thorne, Walter Wisura, C. Davidson, Barry A. Prigge 1977-5-26 49151 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UC718420  Mirabilis laevis var. villosa Carl B. Wolf 1935-5-27 7056 San Bernardino Mojave Desert, Clark Mountain, large canyon to the NW of Pachalka Spring (over one divide) 1981 Comment
  CAS-BOT-BC202798  Mortonia utahensis Robert F. Thorne; W. Wisura; C. Davidson 1977-5-26 49137 San Bernardino E. Mojave Desert, Clark Mtn. Range: above Pachalka Spring. E. San Bernardino Co. 1584 Comment
  JEPS32551  Mortonia utahensis Carl B. Wolf 1935-5-27 San Bernardino .33 mi above Pachalka Spring (in 1st canyon to the e); Mojave Desert, Clark Mt. 1615 Comment
  POM244230  Mortonia utahensis C. B. Wolf 1935-5-27 s.n. San Bernardino Mojave Desert, Clark Mt. 1/3 mi. above Pachalka Spring in 1st. canyon to the east. 1616 Comment
  POM244251  Mortonia utahensis C. B. Wolf 1935-10-5 s.n. San Bernardino Mojave desert, Clark Mt. 1/3 miles above Pachalka Spring in 1st canyon to the east. 1616 Comment
  RSA430087  Mortonia utahensis Christopher Davidson 5668 San Bernardino Clark Mountain. Pachalka Spring. 1524 Comment
  SBBG52685  Mortonia utahensis C. Davidson 1977-5-26 5668 San Bernardino Pachalka Spring, Clark Mtn 1524 Comment
  SD22852  Mortonia utahensis Carl B. Wolf 1935-5-27 7049 San Bernardino Clark Mountain, 0.3 mile above Pachalka Spring; first canyon to the east. 1615 Comment
  SD99359  Mortonia utahensis Christopher Davidson 1977-5-26 5668 San Bernardino Clark Mountain, Pachalka Spring. 1525 Comment
  UC592736  Mortonia utahensis Carl B. Wolf 1935-10-5 7591 San Bernardino 1/3 mi above Pachalka Spring (in first canyon to the east, Clark Mountain, Mohave Desert); Mohave Desert, Clark Mountain 1615 Comment
  UC592769  Mortonia utahensis Carl B. Wolf 1935-5-27 7049 San Bernardino 1/3 mi above Pachalka Spring (in first canyon to the east, Clark Mountain, Mohave Desert); Mohave Desert, Clark Mountain 1615 Comment
  CLARK-A1528-4760  Muhlenbergia porteri John C. Roos, Alfred R. Roos 1950-8-4 4889 San Bernardino Clark Mountain 1219 Comment
  CLARK-A1528-4761  Muhlenbergia porteri John C. Roos 1950-8-4 San Bernardino Clark Mountain Comment
  RSA653878  Muhlenbergia porteri Valerie L. Soza, Bart O'Brien 2000-5-15 908 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.1 miles east from Kingston Road. 1188 Comment
  UC1023409  Muhlenbergia porteri J. C. and A. R. Roos 1950-8-4 4889 San Bernardino north slopes of mts. eastern Mojave Desert, Clark Mts. 1219 Comment
  UCR195870  Muhlenbergia porteri Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8570 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  RSA124009  Nama demissa Percy C. Everett, E. K. Balls 1958-5-13 23181 San Bernardino W base, Clark Mts. 9.4 miles N from Hwy 91 on road to Kingston 991 Comment
  RSA761254  Nama demissa var. demissa Jim Andre 2010-4-26 12866 San Bernardino Shadow Valley; 0.5 miles west of Excelsior Mine Road, approx. 9.5 miles north of I-15 at Valley Wells 981 Comment
  UC1087285  Nama demissa var. demissa P. C. Everett and E. K. Balls 1958-5-13 23181 San Bernardino 9.4 mi n from U.S. Hwy 91 on road to Kingston (w base Clark Mts.); , on road to Kingston 990 Comment
  UCD119556  Nama demissa var. demissa P. C. Everett; E. K. Balls 1958-5-13 23181 San Bernardino W. base Clark Mts., 9.4 mi. n. from U.S. Hwy. 91 on road to Kingston. 990 Comment
  UCR18050B  Nemacladus orientalis A. C. Sanders 1978-5-6 00261 B San Bernardino Northeastern Mojave Desert, northwest of Clark Mountain, at intersection of Excelsior Mine Road and Powerline Road 998 Comment
  UCR18050A  Nemacladus rubescens A. C. Sanders 1978-5-6 00261 A San Bernardino Northeastern Mojave Desert, northwest of Clark Mountain, at intersection of Excelsior Mine Road and Powerline Road 998 Comment
  RSA269755  Nicotiana attenuata Barry A. Prigge 1973-6-16 1161 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mi. W of Pachalka Spr., 7.25 mi. NW of Mt. Pass. 1311 Comment
  RSA269745  Nicotiana obtusifolia Barry A. Prigge, John Prigge 1973-4-21 657 San Bernardino Clark Mountain Range, Cactus Canyon, 7.5 (air) miles NWW of Mountain Pass. 1311 Comment
  RSA269746  Nicotiana obtusifolia Barry A. Prigge, John Prigge 1973-4-7 534 San Bernardino NE San Bernardino Co., Clark Mtn. Range, 9-12 (air) miles NE of Mountain Pass, along powerline road. 1037 Comment
  RSA275785  Nicotiana obtusifolia Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49112 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1555 Comment
  LA105768  Notholaena sinuata var. cochisensis Robert F. Thorne; Walter Wisura, Christopher Davidson 1977-5-27 49118 San Bernardino Clark Mountain Range, above Pachalka Spring on exposed limestones of rocky slopes 1554 Comment
  RSA124012  Oenothera avita subsp. avita Percy C. Everett, E. K. Balls 1958-5-14 23184 San Bernardino 9 mi. n. along road to Kingston Mts. from U.S. Hwy. 91 [Hwy 15], w. base Clark Mts 976 Comment
  RSA275760  Oenothera cespitosa subsp. marginata Robert F. Thorne, C. Davidson, Barry A. Prigge 1977-5-26 49163 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  UCD106851  Oenothera deltoides P. C. Everett; E. K. Balls 1958-5-14 23184 San Bernardino 9 mi. n. along road to Kingston Mts. From U.S. Hwy. 91, w. base Clark Mts. 975 Comment
  UCD106884  Oenothera primiveris P. C. Everett; E. K. Balls 1958-5-14 23185 San Bernardino 9 mi. n. along road to Kingston Mts. From U.S. Hwy. 91, w. base Clark Mts. 975 Comment
  RSA124013  Oenothera primiveris subsp. primiveris Percy C. Everett 1958-5-14 23185 San Bernardino 9 mi. n. along road to Kingston Mts. from U.S. Hwy. 91 [Hwy 15], w. base Clark Mts 976 Comment
  RSA269576  Oenothera primiveris subsp. primiveris Barry A. Prigge, John Prigge 1973-4-21 655 San Bernardino Clark Mountain Range; 7.5 (air) miles NNW of Mountain Pass; Cactus Canyon. Comment
  RSA124055  Opuntia basilaris var. basilaris Percy C. Everett, E. K. Balls 1958-5-14 23190 San Bernardino 10 miles N on road to Kingston Mountains, from US Hwy 91 at Valley Wells. Comment
  UC1080242  Opuntia basilaris var. basilaris P. C. Everett and E. K. Balls 1958-5-14 23190 San Bernardino 10 mi. n. of rd. to Kingston Mts. from U.S. Hwy. 91 at Valley Wells 960 Comment
  UC1483303  Orobanche fasciculata Robert F. Thorne, W. Wisura, C. Davidson, and B. Prigge 1977-5-26 49173 San Bernardino E Mojave Desert, Clark Mountain Range: along trail to Fir Canyon near its mouth. Comment
  CAS-BOT-BC274200  Pappostipa speciosa L. R. Abrams 1941-5-12 14083 San Bernardino 8 miles north of Valley Well air beacon on Excelsior Mine road, Kingston Mountains, Mojave Desert 1158 Comment
  CAS-BOT-BC274201  Pappostipa speciosa L. R. Abrams 1941-5-12 14075 San Bernardino 8 miles north of Valley Well air beacon on Excelsior Mine road, Kingston Mountains, Mojave Desert 1158 Comment
  UCR195254  Pectis papposa Jim Andre, B. O'Brien, T. La Doux 2007-10-2 8574 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  RSA269378  Pectocarya heterocarpa B. A. Prigge 1973-4-21 685 San Bernardino Shadow Valley, 10.5 (air) miles NW of Mountain Pass, 1.3 miles E of Cima Road on Powerline Road. 1037 Comment
  RSA275739  Penstemon palmeri Robert F. Thorne, Walter Wisura, Christopher Davidson, Barry A. Prigge 1977-5-26 49154 San Bernardino E. Mojave Desert, Clark Mountain Range. along power line road, N side of Clarks. 1220 Comment
  NY629284  Penstemon palmeri var. palmeri R. F. Thorne 1977-5-26 49154 San Bernardino East Mojave Desert, Clark Mountain Range: along power line road, north side of Clarks 1219.2 Comment
  RSA16276  Phacelia ambigua Carl B. Wolf 1935-5-26 7002 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring. 1402 Comment
  RSA275851  Phacelia ambigua Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49117 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1555 Comment
  RSA278903  Phacelia ambigua Robert F. Thorne, Walter Wisura, Christopher Davidson, Barry A. Prigge 1977-5-26 49141 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UC1483359  Phacelia crenulata Robert F. Thorne, W. Wisura, and C. Davidson 1977-5-27 49117 San Bernardino above Pachalka Spring; E. Mojave Desert, Clark Mtn. Range 1554 Comment
  UC718241  Phacelia crenulata var. ambigua Carl B. Wolf 1935-5-26 7002 San Bernardino 1.6 mi w (below) Pachalka Spring; Mojave Desert, Clark Mt. 1402 Comment
  RSA275930  Phacelia distans Robert F. Thorne, Walter Wisura, Christopher Davidson, Barry A. Prigge 1977-5-26 49164 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth. 1585 Comment
  UCR77194  Phacelia fremontii J. Jaeger 1992-4-15 s.n. San Bernardino Eastern Mojave Desert, Clark Mountain, c. 1 mi. NW of Pachalka Spring 1463 Comment
  UCR89743  Phacelia ivesiana J. M. Stewart 1993-4-24 699 San Bernardino Eastern Mojave Desert, Cima Road at Power Line Road c. 9 mi. north of Interstate Hwy 10. Shadow Valley 990 Comment
  UC718528  Phlox stansburyi Carl B. Wolf 1935-5-27 San Bernardino nw of Pachalka Spring (large canyon (over the divide)); Mojave Desert, Clark Mt. 1981 Comment
  RSA16206  Phlox viridis subsp. compacta C. B. Wolf 1935-5-27 7052 San Bernardino Clark Mountain, large canyon to the NW of Pachalka Spring (over one divide). 183 Comment
  RSA275745  Phlox viridis subsp. compacta R. F. Thorne, W. Wisura, Christopher Davidson, B. A. Prigge 1977-5-26 49167 San Bernardino Clark Mountain Range: along trail to Fir Canyon near its mouth. 1585 Comment
  RSA275870  Pinus monophylla Robert F. Thorne, W. Wisura, C. Davidson, B. Prigge 1977-5-26 49205 San Bernardino E. Mojave Desert, Clark Mtn. Range: Fir Canyon. 1555 Comment
  RSA275430  Plantago ovata var. fastigiata Robert F. Thorne, Barry A. Prigge, C. W. Tilforth, A. Shmida 1977-6-23 49421 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi les W of junction with Colosseum Road 1220 Comment
  RSA275939  Pleuraphis jamesii R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49119 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  CAS-BOT-BC356181  Porophyllum gracile Carl B. Wolf 1935-5-28 7060 San Bernardino Mojave Desert, Clark Mt. 1 3/10 mi. N.W. of Pachalka Spring 1463 Comment
  RSA275794  Porophyllum gracile R. F. Thorne, Walter Wisura, Christopher Davidson, B. A. Prigge 1977-5-26 49152 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring 1372 Comment
  UC1483338  Porophyllum gracile Robert F. Thorne, W. Wisura, C. Davidson, and B. Prigge 1977-5-26 49152 San Bernardino below (ca 2 mi w of) Pachalka Spring; Mojave Desert, Clark Mtn Range, Cactus Canyon Comment
  UCR195256  Porophyllum gracile Jim Andre, B. O'Brien, T. La Doux 2007-10-2 8572 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  RSA275846  Prenanthella exigua R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49111 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  UC1483297  Prenanthella exigua Robert F. Thorne, W. Wisura, and C. Davidson 1977-5-27 49111 San Bernardino above Pachalka Spring (e San Bernardino County); e Mojave Desert, Clark Mountain Range 1554 Comment
  GMDRC2462  Psilostrophe cooperi J. Andre, B. O'Brien, T. La Doux 2007-10-2 8571 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx. 4.3 mi. E. of Excelsior Mine Rd.. Elev. 3801 ft. 1159 Comment
  GMDRC2557  Psilostrophe cooperi J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8775 San Bernardino Clark Mountain Range: along transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn.. Elev. 3658 ft. 1115 Comment
  JEPS123574  Psilostrophe cooperi J. Andre, B. O'Brien, T. La Doux 2007-10-2 8571 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  JEPS68800  Psilostrophe cooperi Annie M. Alexander and Louise Kellogg 1939-5-13 481 San Bernardino w slope Clark Mt. (power line road) Comment
  LA203900  Psilostrophe cooperi C. B. Wolf; 1935-5-26 7014 San Bernardino Clark Mountain Range, 1.6 mi. W. of (below) Pachalka Spring 1402 Comment
  RSA16320  Psilostrophe cooperi C. B. Wolf 1935-5-26 7014 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  UC718072  Psilostrophe cooperi Carl B. Wolf 1935-5-26 San Bernardino 1.6 mi w (below) Pachalka Spring; Mojave Desert, Clark Mt. 1402 Comment
  UCR195253  Psilostrophe cooperi Jim Andre, Bart O'Brien, Tasha La Doux 2007-10-2 8571 San Bernardino Mojave Desert, Clark Mountain Range, along powerlie road on north side of Clark Mountain c. 4.3 m east of Excelsior Mine Road 1159 Comment
  UCR195845  Psilostrophe cooperi Jim Andre, Tasha La Doux, Bart O'Brien 2007-10-2 8775 San Bernardino Mojave Desert, Clark Mountain Range, along transmission line road c. 2.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1115 Comment
  CAS-BOT-BC352332  Psorothamnus fremontii L. R. Abrams 1941-5-12 14080 San Bernardino 8 miles north of Valley Well air beacon on Excelsior Mine Road, Kingston Mountains, Mojave Desert 1158 Comment
  CAS-BOT-BC352348  Psorothamnus fremontii var. fremontii L. R. Abrams 1941-5-11 14048 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon, Mojave Desert 1005 Comment
  RSA275860  Purshia stansburyana Robert F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49113 San Bernardino E Mojave Desert, Clark Mtn Range: Above Pachalka Spring. [There is a location map glued on the voucher] 1555 Comment
  CAS-BOT-BC362649  Rafinesquia neomexicana L. R. Abrams 1941-5-11 14030 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert Comment
  UCR18646  Rhus aromatica John C. Roos 1950-8-4 s.n. San Bernardino Eastern Mojave Desert, north side of Clark Mountain 1220 Comment
  RSA0083293  Ribes cereum Jim Andre, Tasha La Doux, Glenn L. Clifton 2008-4-29 19433 San Bernardino NE end of range in Forsellesia Canyon. 1933 Comment
  RSA550081  Rumex hymenosepalus Walter Wisura, T. Hayduk, M. Husar 1992-5-8 4741 San Bernardino E-Mojave Desert: 7.3 mi N of I-15 on Excelsior Mine Rd. Comment
  UC1595556  Rumex hymenosepalus W. Wisura, T. Hayduk, and M. Husar 1992-5-8 4741 San Bernardino 7.3 mi n I-15 (on Excelsior Mine Rd, e Mojave Desert); Mojave Desert Comment
  UCR232083  Rumex hymenosepalus Jim Andre 2011-4-6 18784 San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  RSA275855  Salvia columbariae Robert F. Thorne, Walter Wisura, C. Davidson, Barry A. Prigge 1977-5-26 49144 San Bernardino Eastern Mojave Desert, Clark Mountain Range. Cactus Canyon below (c. 2 miles W of) Pachalka Spring. 1372 Comment
  UCR77193  Salvia dorrii subsp. dorrii J. Jaeger 1992-4-15 s.n. San Bernardino Eastern Mojave Desert, Clark Mountain, c. 1.25 mi. NW of Pachalka Spring 1311 Comment
  GH403312  Salvia dorrii var. pilosa L. Abrams 1941-5-11 14042 Unknown Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert. 1005 Comment
  RSA275861  Salvia mohavensis Robert F. Thorne, Walter Wisura, C. Davidson 1977-5-27 49114 San Bernardino E. Mojave Desert, Clark Mountain Range: above Pachalka Spring. [w/ precise map] 1555 Comment
  CAS-BOT-BC224877  Salvia pachyphylla Carl B. Wolf 1935-10-6 7606 San Bernardino Mojave Desert, Clark Mt. Large canyon to the Northwest of Pachalka Spring (over one divide) 1981 Comment
  SBBG45095  Salvia pachyphylla C. Wolf 1935-5-27 7053 San Bernardino Clark Mtn, large canyon to the NW of Pachalka Spring (over one divide) 1981 Comment
  UC718337  Salvia pachyphylla Carl B. Wolf 1935-10-6 San Bernardino nw of Pachalka Spring (large canyon (over one divide)); Mojave Desert, Clark Mt. 1981 Comment
  CAS-BOT-BC341142  Scutellaria mexicana L. R. Abrams 1941-5-11 14049 San Bernardino Excelsior Mine road, between Valley Well air beacon and Kingston Mountains, 7 miles north of the air beacon. Mojave Desert 1005 Comment
  SD128715  Scutellaria mexicana Darley F. Howe 1980-5-26 San Bernardino West slope of Clark Mountain. 1310 Comment
  RSA275435  Senecio douglasii var. monoensis R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. A. Prigge 1977-6-23 49431 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  RSA761252  Sisymbrium irio J. Andre 2010-4-26 12858 San Bernardino Shadow Valley; 0.5 miles west of Excelsior Mine Road, approx. 9.5 miles north of I-15 at Valley Wells 981 Comment
  HSC78722  Sphaeralcea emoryi A. C. Sanders 1982-5-29 2460 San Bernardino E Mojave Desert, Clark Mtn. area, Excelsior Mine Rd., just N of junction with powerline road that goes over Keany Pass Comment
  SEINET225365  Sphaeralcea emoryi A. C. Sanders 1982-5-29 2460 San Bernardino Eastern Mojave Desert Clark Mountain area. Common along the edge of Excelsior Mine Road just north of its junction wi Comment
  UCR26775  Sphaeralcea emoryi A. C. Sanders 1982-5-29 2460 San Bernardino Eastern Mojave Desert, Clark Mountain area, Excelsior Mine Road, just north of junction with powerline road that goes over Keany Pass. Comment
  UCSB72217  Sphaeralcea emoryi Sanders, A. 1982-5-29 San Bernardino Along the edge of Excelsior Mine Road, just north of its junction with the powerline road that goes over Keany Pass; Eastern Mojave Desert, Clark Mountain area Comment
  UCR182878  Sphaeralcea rusbyi var. eremicola Mitch Provance 2001-5-4 4814 San Bernardino Eastern Mojave Desert, W side of the Clark Mountain Range, west of Keany Pass, c. 1.8 miles due north of peak 1479 427 Comment
  CLARK-A1045-668  Sporobolus cryptandrus George K. Helmkamp 1977-5-24 San Bernardino Mojave Desert Kingston Road at Kingston [Wash?]; at roadside; Clark Mt. 15'Q Comment
  CLARK-A1045-678  Sporobolus cryptandrus George K. Helmkamp 1977-5-24 San Bernardino Mojave Desert Kingston Road at Kingston [Wash?]; at roadside; Clark Mt. 15'Q Comment
  RSA736206  Sporobolus cryptandrus Jim Andre, Tasha La Doux, Bart O'Brien 8778 San Bernardino Clark Mountain Range: along the transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn 1115 Comment
  UCR195843  Sporobolus cryptandrus Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8778 San Bernardino Mojave Desert, Clark Mountain Range, along transmission line road c. 2.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1115 Comment
  RSA269899  Stephanomeria pauciflora B. A. Prigge 1973-6-16 1159 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1310 Comment
  RSA275449  Stephanomeria pauciflora R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. A. Prigge 1977-6-23 49426 San Bernardino E Mojave Desert, Clark Mountain Range: N side of Clark Mountains, along power line road, c. 2 mi W of junction with Colosseum Road. 1220 Comment
  UC1478681  Stephanomeria pauciflora Barry A. Prigge, R. F. Thorne, L. DeBuhr, and W. Wisura 1977-6-23 1933 San Bernardino 4 mi e Excelsior Mine Rd. (on power line rd, e Mojave Desert); Mojave Desert, Clark Mountain Range 1188 Comment
  UCR32259  Stephanomeria pauciflora B. A. Prigge, R. F. Thorne, Larry E. DeBuhr, W. Wisura 1977-6-23 1933 San Bernardino Eastern Mojave Desert, Clark Mountain Range: 4 mi east of Excelsior Mine Rd. on power line rd 1189 Comment
  GMDRC2558  Stephanomeria pauciflora var. pauciflora J. Andre, T. La Doux, Bart O'Brien 2007-10-2 8777 San Bernardino Clark Mountain Range: along transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn.. Elev. 3658 ft. 1115 Comment
  UCR195847  Stephanomeria pauciflora var. pauciflora Jim Andre, T. La Doux, Bart O'Brien 2007-10-2 8777 San Bernardino Mojave Desert, Clark Mountain Range, along transmission line road c. 2.5 mi east of Excelsior Mine Road, north side of Clark Mountain 1115 Comment
  UCR232107  Streptanthella longirostris Jim Andre 2011-4-6 18782 San Bernardino Mojave Desert, Clark Mountain Range, northwestern corner of range 0.2 mi east of Excelsior Mine Road 1001 Comment
  UC718426  Symphoricarpos longiflorus Carl B. Wolf 1935-5-27 San Bernardino nw of Pachalka Spring (large canyon over one divide); Mojave Desert, Clark Mt. 1981 Comment
  RSA269469  Thamnosma montana Barry A. Prigge, John Prigge 1973-4-21 653 San Bernardino NE San Bernardino Co., California; Clark Mts Range, 7 (air) miles NWW of Mountain Pass, in Cactus Canyon. 1341 Comment
  CAS-BOT-BC323035  Thymophylla pentachaeta L. R. Abrams 1941-5-12 14073 San Bernardino 8 miles north of Valley Well air beacon on Excelsior Mine Road, Kingston Mountains, Mojave Desert 1158 Comment
  CAS-BOT-BC22556  Thymophylla pentachaeta var. belenidium James Henrickson 1970-5-16 4751 San Bernardino E Mojave Desert, road just N of Clark Mountains, ca 11 miles NNE of Valley Wells 1066 Comment
  JEPS123565  Thymophylla pentachaeta var. belenidium J. Andre, B. O'Brien, T. La Doux 2007-10-2 8585 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 3.5 mi E of Excelsior Mine Road. Comment
  RSA16278  Thymophylla pentachaeta var. belenidium C. B. Wolf 1935-5-26 7004 San Bernardino Clark Mountain, 1.6 miles W of (Below) Pachalka Spring 1402 Comment
  UCD142328  Tragia ramosa Robert F. Thorne; W. Wisura, C. Davidson 1977-5-27 49115 San Bernardino East San Bernardino County: East side of county. East Mojave Desert. Clark Mountain Range. Above Pachalka Spring. 1554 Comment
  RSA275859  Tragia stylaris R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49115 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  CLARK-A1528-5282  Tridens muticus John C. Roos 1950-8-4 San Bernardino Clark Mountain Range Comment
  GMDRC2461  Tridens muticus J. Andre, B. O'Brien, T. La Doux 2007-10-2 8569 San Bernardino Clark Mountain Range: along powerline rd on N. side of Clark Mtn, approx. 4.3 mi. E. of Excelsior Mine Rd.. Elev. 3801 ft. 1159 Comment
  JEPS123600  Tridens muticus J. Andre, B. O'Brien, T. La Doux 2007-10-2 8569 San Bernardino Clark Mountain Range, along powerline road on N side of Clark Mountain, approx. 4.3 miles E of Excelsior Mine Road. Comment
  RSA275484  Tridens muticus R. F. Thorne, Larry E. DeBuhr, Walter Wisura, B. Prigge 1977-6-23 49433 San Bernardino Clark Mts. Range: N side of Mt. 1 mi. W of jct. of power line and Colosseum Rds. 1250 Comment
  RSA275797  Tridens muticus R. F. Thorne, Walter Wisura, Christopher Davidson 1977-5-27 49125 San Bernardino Clark Mountains: above Pachalka Spring on exposed limestone of rocky slopes. 1554 Comment
  RSA731875  Tridens muticus Jim Andre, Bart O'Brien, Tasha La Doux 2007-10-2 8569 San Bernardino Clark Mountain Range: along powerline road on N side of Clark Mtn, approx. 4.3 mi. E of Excelsior Mine Road. 1159 Comment
  RSA736204  Tridens muticus Jim Andre, Tasha La Doux, Bart O'Brien 2007-10-2 8780 San Bernardino Clark Mountain Range: along the transmission line road approx 2.5 mi. E. of Excelsior Mine Rd, N. side of Clark Mtn 1115 Comment
  UCR183081  Tridens muticus Mitch Provance 2001-5-4 4812 San Bernardino Eastern Mojave Desert, W side of the Clark Mountain Range, west of Keany Pass, c. 1.8 miles due north of peak 1479 427 Comment
  CAS-BOT-BC199562  Tridens muticus var. muticus Robert F. Thorne; L. DeBuhr; W. Wisura; B. Prigge 1977-6-23 49433 San Bernardino E. Mojave Desert, Clark Mtn. Range: N side of Clark Mtns., c 1 mi. W of jct. of power line and Colosseum Rds., E. San Bernardino Co. 1249 Comment
  RSA91501  Trifolium ciliolatum F. W. Peirson 1923-5-21 3517 Los Angeles Fish Canyon 914 Comment
  HSC79102  Uropappus lindleyi B. A. Prigge, J. Prigge 1973-4-21 652 San Bernardino Clark Mtn. Range, 7 air miles NWW of Mountain Pass, in Cactus Canyon 1372 Comment
  RSA269785  Viguiera multiflora var. nevadensis B. A. Prigge 1973-6-16 1163 San Bernardino Clark Mt. Range, Cactus Cyn, 1 mile W of Pachalka Spr, 7.5 miles NW of Mt. Pass 1310 Comment
  RSA275775  Vulpia octoflora R. F. Thorne, Walter Wisura, C. Davidson, B. Prigge 1977-5-26 49179 San Bernardino Clark Mountain Range; along trail to Fir Canyon near its mouth 1585 Comment
  CAS-BOT-BC326791  Xylorhiza tortifolia James Henrickson 1970-5-16 4750 San Bernardino Road just N of Clark Mountains ca. 11 miles NNE of Valley Wells, E. Mojave Desert 1066 Comment
  CAS-BOT-BC326815  Xylorhiza tortifolia James Henrickson 1970-5-16 4750 San Bernardino Road just north of Clark Mountains ca. 11 miles NNE of Valley Wells, E. Mojave Desert 1066 Comment
  RSA653877  Xylorhiza tortifolia var. tortifolia Valerie L. Soza, Bart O'Brien 2000-5-15 909 San Bernardino Clark Mountains, East Mojave Desert: On road to Pachalka Spring, 2.1 miles east from Kingston Road. 1188 Comment
  CLARK-A1528-1499  Yucca baccata John C. Roos 1948-9-19 4027 San Bernardino Clark Mountains 1067-1219 Comment



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