34.12194 34.22194 -116.59361 -116.49361 UC/JEPS: Consortium Search Results
Search Results — 1536 specimen records retrieved (1536 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0028224  Acacia greggii Duncan S. Bell, Amanda Turek 2010-9-4 1923 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0124010  Acanthoscyphus parishii var. cienegensis Duncan S. Bell 2016-6-16 9767 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  RSA0062578  Achnatherum hymenoides Duncan S. Bell 2014-4-25 6605 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA511564  Achnatherum hymenoides Ed LaRue, S. Doughtery, S. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA0031560  Achnatherum parishii subsp. parishii Duncan S. Bell 2011-4-23 2345 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0011384  Achnatherum speciosum Duncan S. Bell 2010-5-31 1201 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0014925  Achnatherum speciosum Duncan S. Bell 2013-4-14 4794 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA778606  Achnatherum speciosum Jim Andre 2011-5-16 17185 San Bernardino Little San Bernardino Mountain, just north of Pioneertown along Pioneertown Road (north side) 6.1 miles NNW of Hwy. 62 (at Yucca Valley) 1239 Comment
  RSA0025253  Acmispon americanus var. americanus Duncan S. Bell 2012-9-8 4126 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  SD167120  Acmispon brachycarpus A. C. Sanders, G. K. Helmkamp and E. A. Helmkamp 1995-4-30 16867 San Bernardino Burns Canyon, 2.1 miles above Rimrock Road, just below Burns Spring. 1488 Comment
  SEINET1008000  Acmispon brachycarpus A. C. Sanders, G. K. Helmkamp, E. A. Helkamp 1995-1 16867 San Bernardino San Bernardino Mtns: Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring. 1489 Comment
  SEINET1909595  Acmispon procumbens A. C. Sanders, Petra Wester 2004-1 28142 San Bernardino San Bernardino Mtns: Burns Canyon, upper canyon in vicinity of Burns Spring 1478 Comment
  SD233835  Acmispon rigidus A. C. Sanders, G. & L. Helmkamp 1995-4-30 16865 San Bernardino San Bernardino Mtns.: Burns canyon, 2.1 miles above Rimrock Rd, just below Burns Spring 1530 Comment
  RSA0055844  Acmispon strigosus Duncan S. Bell 2014-4-5 6568 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA0047438  Adenophyllum cooperi Duncan S. Bell 2010-5-21 1042 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA802101  Adenostoma fasciculatum Duncan S. Bell 2010-5-31 1176 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR260188  Adenostoma fasciculatum Duncan S. Bell 2010-5-31 1176 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; c. 1.25 air mile southwest of Pioneertown, and c. 0.75 air mile north of Chaparrosa Spring 1249 Comment
  IRVC29739  Agrostis Mark A. Elvin 2006-10-23 5215 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  CAS-BOT-BC139242  Agrostis idahoensis Mark A. Elvin 2006-10-23 5221 San Bernardino Southern Mojave Desert, Little San Bernardino Mountains. Pipes Canyon Preserve. Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. 1379 Comment
  IRVC29750  Agrostis idahoensis Mark A. Elvin 2006-10-23 5221 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  CDA32188  Agrostis viridis Mark A. Elvin 2006-10-23 5215 San Bernardino Southern Mojave Desert; Little San Bernardino Mountains: Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Comment
  RSA0053712  Allium fimbriatum Duncan S. Bell 2010-5-21 1071 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA643887  Allium fimbriatum A. C. Sanders, G. K. Helmkamp, L. Helmkamp 1995-4-30 16805 San Bernardino E San Bernardino Mts./ Mojave Desert: Rimrock, 4.1 mi. N of Pioneertown, along a dirt track W from Rimrock Rd., S of Burns Cyn. 1341 Comment
  UCR86677  Allium fimbriatum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16805 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC532  Allium fimbriatum A. C. Sanders 1995-4-30 16805 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  CAS-BOT-BC469417  Allium fimbriatum var. fimbriatum A. C. Sanders; G. Helmkamp; L. Helmkamp 1995-4-30 16805 San Bernardino E San Bernardino Mountains, Mojave Desert: Rimrock, 4.1 miles N of Pioneertown, along dirt track W from Rimrock Rd., S of Burns Canyon 1376 Comment
  RSA0094587  Allium fimbriatum var. fimbriatum Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7941 San Bernardino Collecting in the bouldery valley between Black Lava Butte and Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1291 Comment
  RSA0120542  Allium fimbriatum var. fimbriatum Duncan S. Bell 2016-4-17 9366 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0121863  Allium fimbriatum var. fimbriatum Duncan S. Bell 2011-4-23 2354 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.7 air miles southeast of Chaparrosa Spring and approx. 1.7 air miles southwest of Pioneertown. 1227 Comment
  RSA479829  Allium fimbriatum var. fimbriatum Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR233524  Allium fimbriatum var. fimbriatum Jim Andre 2011-5-16 17154 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR17008  Allium parishii Michael Nugent, J. R. Olson 1969-5-18 23 San Bernardino San Bernardino Mtns., 1.0 mi. up the eastern entrance to Burns Canyon Road. 1433 Comment
  RSA0050547  Amaranthus albus Duncan S. Bell 2014-10-14 7643 San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  UCR274243  Amaranthus albus Duncan S. Bell 2014-10-14 7643 San Bernardino Sawtooth Mountains, Pioneertown Mountains Preserve, western section of the range, in Sorrel Horse Canyon to the west of Pioneertown 1300 Comment
  RSA0025255  Amaranthus fimbriatus Duncan S. Bell 2012-9-8 4125 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0054038  Amaranthus fimbriatus Duncan S. Bell 2014-10-14 7634 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  RSA782032  Amaranthus fimbriatus Duncan S. Bell, Amanda Bell 2011-10-8 2975 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  SBBG56028  Amaranthus fimbriatus F. C. Vasek 1961-9-23 610923 -b San Bernardino Pipes Cyn Rd, ca. 4 mi from its jct with the main road (Old Woman Springs Rd) Comment
  UCR274230  Amaranthus fimbriatus Duncan S. Bell 2014-10-14 7634 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, southwestern section of range, c. 3 air miles southwest of Pioneertown 1353 Comment
  UCR3776  Amaranthus fimbriatus Frank C. Vasek 1961-9-23 610923- 07 San Bernardino San Bernardino Mtns., Pipes Canyon Road, 4 mi from junction with Old Woman Spring Road 1220 Comment
  RSA614829  Amaranthus retroflexus A. C. Sanders, P. Mackay, S. White, C. L. Sanders 1994-9-18 15690 San Bernardino San Bernardino Mountains: Seven Oaks, along Santa Ana River at the confluence with Hamilton Creek. 1590 Comment
  IRVC29738  Ambrosia acanthicarpa Mark A. Elvin 2006-10-23 5214 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0021315  Ambrosia acanthicarpa Duncan S. Bell 2010-11-26 2012 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0025145  Ambrosia acanthicarpa Duncan S. Bell, Amanda Turek 2010-9-4 1917 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  SEINET270119 Image available Ambrosia acanthicarpa G. Helmkamp 1993-9-22 34 -10 San Bernardino 6.7 miles up Burns Canyon from the junction of Pioneer Town and Pipes Canyon roads 1524 Comment
  RSA0125216  Amorpha californica Duncan S. Bell, LeRoy Gross 2016-5-12 9572 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  IRVC29484  Amsinckia tessellata Mark A. Elvin 2006-4-1 4724 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  RSA511338  Amsinckia tessellata Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  SEINET3084392 Image available Amsinckia tessellata Dennis Vander Ven 1968-4-20 s.n. San Bernardino From Pioneertown, go to Rimrock and past it just 5 mi. and noting red cabin to left, take immediate right to Mitchell's cabin, the last one, 2.3 miles in. To left of road 250 yds. farther. 1615 Comment
  CLARK-A1656-815  Anisocoma acaulis Theo Glenn 1982-5-18 San Bernardino Pipes Canyon Comment
  IRVC29434  Anisocoma acaulis Mark A. Elvin 2006-4-1 4700 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0022325  Anisocoma acaulis Duncan S. Bell 2011-4-23 2330 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA801848  Anisocoma acaulis Duncan S. Bell 2010-5-31 1213 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0120993  Antirrhinum coulterianum Duncan S. Bell 2016-4-17 9364 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0011398  Arabis dispar Duncan S. Bell, Amanda Turek 2010-5-30 1145 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  UCR59921  Arabis dispar Ed LaRue, S. Dougherty, S. J. Myers 1989-4-17 s.n. San Bernardino San Bernardino Mtns./Mojave Desert, 0.5 mi west of Bowden Flat, on a stream channel running through Burns Canyon, c. 1 mi SE of town of Rimrock. Pipes Road transverses the site 1341 Comment
  RSA0129315  Arabis perennans Duncan S. Bell 2011-4-23 2338 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  UCR269169  Arabis perennans Duncan S. Bell 2011-4-23 2338 San Bernardino San Bernardino Mtns/Mojave Desert, Sawtooth Mountains; in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring 1338 Comment
  IRVC29340  Arabis pulchra Mark A. Elvin 2006-4-1 4687 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0021718  Arabis pulchra Duncan S. Bell 2013-4-15 5804 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0028112  Arabis pulchra Duncan S. Bell 2012-5-3 3577 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  UCR175757  Arabis pulchra Mark A. Elvin 2006-4-1 4687 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA0011399  Arabis pulchra var. gracilis Duncan S. Bell, Amanda Turek 2010-5-30 1146 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0020426  Arctostaphylos Duncan S. Bell 2013-8-22 5670 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  SEINET7249224  Arctostaphylos Duncan S. Bell 2013-1 5670 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  UC2031353  Arctostaphylos Duncan S. Bell 2013-8-22 5670 San Bernardino W side of Black Hill, approx. 1.5 air miles NW of Pioneertown. Comment
  UCR260181  Arctostaphylos Duncan S. Bell 2013-8-22 5670 San Bernardino Mojave Desert, west side of Black Hill, c. 1.5 air mi northwesty of Pioneertown 1359 Comment
  RSA0034097  Arctostaphylos glandulosa Naomi Fraga, Duncan S. Bell, Jessica Chu, Evan Meyer 2013-3-28 4232 San Bernardino Burns Canyon Road near the community of Rimrock. 1340 Comment
  RSA0025104  Arctostaphylos glauca Duncan S. Bell 2012-3-17 3166 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0125214  Arctostaphylos glauca Duncan S. Bell, LeRoy Gross 2016-5-12 9573 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA802012  Arctostaphylos glauca Duncan S. Bell, Amanda Turek 2010-5-30 1160 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  POM148026  Arctostaphylos pungens Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA479836  Arenaria macradenia Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA511570  Arenaria macradenia Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA0047437  Arenaria macradenia var. macradenia Duncan S. Bell 2014-4-25 6617 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0122890  Aristida purpurea var. wrightii Duncan S. Bell 2016-4-18 9389 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  IRVC29770  Artemisia douglasiana Mark A. Elvin 2006-10-24 5232 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA0121867  Artemisia douglasiana Duncan S. Bell 2015-11-25 8732 San Bernardino Pioneertown Mountains Preserve; lower section of Pipes Canyon, approximately 1.75 air miles southwest of the ranger station. 1469 Comment
  IRVC29751  Artemisia dracunculus Mark A. Elvin 2006-10-23 5222 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0025248  Artemisia dracunculus Duncan S. Bell 2012-9-8 4127 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0036324  Artemisia dracunculus Duncan S. Bell 2014-10-14 7622 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA0050552  Artemisia dracunculus Duncan S. Bell 2014-10-14 7647 B San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  UCR274240  Artemisia dracunculus Duncan S. Bell 2014-10-14 7647 B San Bernardino Sawtooth Mountains, Pioneertown Mountains Preserve, western section of the range, in Sorrel Horse Canyon to the west of Pioneertown 1300 Comment
  RSA0036325  Artemisia ludoviciana subsp. albula Duncan S. Bell 2014-10-14 7623 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  SEINET270120  Artemisia ludoviciana subsp. albula G. Helmkamp 1993-9-22 34 -11 San Bernardino 6.7 miles up Burns Canyon from the junction of Pioneer Town and Pipes Canyon roads 1524 Comment
  RSA0123983  Artemisia tridentata Duncan S. Bell, LeRoy Gross 2016-5-12 9561 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  UCR79283  Artemisia tridentata George K. Helmkamp 1993-9-12 23- 08 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  RSA0021715  Asclepias fascicularis Duncan S. Bell 2013-4-14 4796 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0036332  Asclepias fascicularis Duncan S. Bell 2014-10-14 7630 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  UCR3703  Asclepias fascicularis Frank C. Vasek 1961-7-6 610706- 02 San Bernardino San Bernardino Mtns., Pipes Canyon Road 1 mi. from its junction with Pioneertown Road 1357 Comment
  RSA0062581  Astragalus acutirostris Duncan S. Bell 2014-4-25 6602 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA709106  Astragalus acutirostris A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16859 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  SD167124  Astragalus acutirostris A. C. Sanders, G. K. Helmkamp and E. A. Helmkamp 1995-4-30 16859 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Road just below Burns Spring. 1488 Comment
  SEINET1008001  Astragalus acutirostris A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-1 16859 San Bernardino San Bernardino Mtns: Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring. 1489 Comment
  UCR157874  Astragalus acutirostris A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16859 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR274395  Astragalus acutirostris Duncan S. Bell 2014-4-25 6602 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR75508  Astragalus bernardinus A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13784 San Bernardino San Bernardino Mtns., east end of mtns., Pioneertown Rd at Short Rd, 3.3 mi. NW of Pioneertown between Sorrel Horse Canyon and Pipes Wash 1300 Comment
  RSA0047436  Astragalus coccineus Duncan S. Bell 2014-4-25 6618 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA512140  Astragalus douglasii Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA787705  Astragalus douglasii Duncan S. Bell 2012-5-8 3623 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneetown. 1270 Comment
  RSA801861  Astragalus douglasii Duncan S. Bell 2010-5-31 1226 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  SEINET7924997 Image available Astragalus douglasii Duncan S. Bell 2012-1 3623 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneertown. 1269 Comment
  IRVC29312  Astragalus douglasii var. parishii Mark A. Elvin 2006-4-1 4659 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR121845  Astragalus douglasii var. parishii George K. Helmkamp, E. A. Helmkamp 2001-3-24 6324 San Bernardino East foothills, San Bernardino Mtns, Pioneertown Rd, 6.7 mi north of Calif. Hwy 62 in Yucc. Valley. 976 Comment
  UCR175751  Astragalus douglasii var. parishii Mark A. Elvin 2006-4-1 4659 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29345  Astragalus gambelianus Mark A. Elvin 2006-4-1 4692 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR26764  Astragalus lentiginosus var. variabilis George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  CAS-BOT-BC194162  Astragalus palmeri Marcus E. Jones 1927-4-12 s.n. Riverside The Pipes, near Morongo Valley Comment
  GMDRC5026  Astragalus palmeri J. Andre 2011-5-16 17161 San Bernardino along Pioneertown Rd, 7.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hil 1301 Comment
  UCR233518  Astragalus palmeri Jim Andre 2011-5-16 17161 A San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  OBI61089  Atriplex canescens P. A. Holden 1969-8-10 992 San Bernardino N of Pioneer town; 6 mi N of Yucca Valley Comment
  RSA0104540  Atriplex canescens Duncan S. Bell 2015-8-23 8634 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  UC1080587  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-13 22807 San Bernardino 2.3 mi nw Pioneer Town (Big Bear to Baldwin Lake Road); nw of Pioneer Town 1249 Comment
  RSA125844  Atriplex canescens subsp. canescens E. K. Balls, P. C. Everett 1957-11-13 22807 San Bernardino 2.3 miles NW of Pioneer Town, Big Bear to Baldwin Lake road. Comment
  RSA0027694  Atriplex polycarpa Duncan S. Bell 2012-9-8 4133 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0031562  Avena fatua Duncan S. Bell 2011-4-23 2350 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0055850  Avena fatua Duncan S. Bell 2014-4-5 6561 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0021874  Baccharis brachyphylla Duncan S. Bell 2013-8-22 5673 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  UC2031352  Baccharis brachyphylla Duncan S. Bell 2013-8-22 5673 San Bernardino W side of Black Hill, approx. 1.5 air miles NW of Pioneertown. Comment
  UCR260183  Baccharis brachyphylla Duncan S. Bell 2013-8-22 5673 San Bernardino Mojave Desert, west side of Black Hill, c. 1.5 air mi northwesty of Pioneertown 1359 Comment
  RSA0020274  Baccharis salicifolia Duncan S. Bell 2013-4-15 4808 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0025251  Baccharis salicifolia Duncan S. Bell 2012-9-8 4130 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA787658  Baccharis salicifolia Duncan S. Bell 2012-5-8 3624 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneetown. 1270 Comment
  CLARK-A1528-1634  Baccharis sergiloides John C. Roos 1947-8-2 3731 San Bernardino San Bernardino Mountains 1310 Comment
  RSA0025249  Baccharis sergiloides Duncan S. Bell 2012-9-8 4128 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0027521  Baccharis sergiloides Duncan S. Bell, Amanda Turek 2010-9-5 1940 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0036327  Baccharis sergiloides Duncan S. Bell 2014-10-14 7625 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA567423  Baccharis sergiloides George K. Helmkamp 1993-9-22 34 -7 San Bernardino 6.7 mi. up Burns Canyon from jct of Pioneertown and Pipes Cyn Rds. 1529 Comment
  RSA802118  Baccharis sergiloides Duncan S. Bell 2010-5-31 1175 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR26077  Baccharis sergiloides John C. Roos 1947-8-2 3731 San Bernardino San Bernardino Mtns., North of Burns Wash, on the E slope of the mtns. 1315 Comment
  UCR269189  Baccharis sergiloides Duncan S. Bell, Amanda Turek 2010-9-5 1940 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown 1532 Comment
  RSA0123991  Baileya multiradiata Duncan S. Bell, LeRoy Gross 2016-5-12 9553 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  RSA511566  Baileya pleniradiata Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  UCR139990  Baileya pleniradiata A. C. Sanders, Petra Wester 2004-6-11 28137 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0120227  Bebbia juncea Duncan S. Bell 2016-3-13 8919 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA0038719  Boechera Duncan S. Bell 2014-4-25 6645 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  SD249174  Boechera Duncan S. Bell 2014-4-25 6645 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. A post burn area in volcanic hills, frwom Sawtooth Complex Fire of 2006. Comment
  UCR274470  Boechera Duncan S. Bell 2014-4-25 6645 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  RSA0124386  Boechera dispar Duncan S. Bell 2016-4-17 9338 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; northwestern section of the range, approximately 1.5 air miles east of Chaparrosa Peak. 1338 Comment
  OBI37512  Boechera pulchra A. C. Sanders 1976-5-25 67 San Bernardino E edge of the San Bernardino Mts. Burns Cyn in the vicinity of Burns Spring Comment
  RSA0050374  Boechera pulchra var. gracilis Duncan S. Bell 2010-5-21 1060 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA0020272  Boechera xylopoda Duncan S. Bell 2013-4-15 4805 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0028231  Bouteloua aristidoides Duncan S. Bell 2012-9-8 4120 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0036333  Bouteloua aristidoides Duncan S. Bell 2014-10-14 7631 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  RSA0028230  Bouteloua barbata Duncan S. Bell 2012-9-8 4119 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  IRVC29330  Brassica geniculata Mark A. Elvin 2006-4-1 4677 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29732  Brickellia californica Mark A. Elvin 2006-10-23 5208 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  OBI2178  Brickellia californica P. A. Holden 1969-8-16 1001 San Bernardino 1 mi north of Pioneer Town and 6 mi N of Yucca Valley Comment
  CAS-BOT-BC106198  Brickellia desertorum G. Helmkamp 1993-9-12 22 -3 San Bernardino Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  UCR103352  Brickellia desertorum George K. Helmkamp 1993-9-12 22- 03 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0038705  Bromus berteroanus Duncan S. Bell 2014-4-25 6621 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0046576  Bromus berteroanus Duncan S. Bell 2014-4-25 6638 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA787659  Bromus diandrus Duncan S. Bell 2012-5-8 3626 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  RSA802119  Bromus diandrus Duncan S. Bell 2010-5-31 1177 B San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR257218  Bromus diandrus Duncan S. Bell 2012-5-8 3626 San Bernardino Mojave Desert/San Bernardino Mtns., Sawtooth Mountains, along Water Canyon, c. 0.75 air mi. SE of Chaparrosa Sprong, or c. 1.75 air mi. SW of Pioneertown 1238 Comment
  SEINET3821908 Image available Bromus japonicus A. C. Sanders 2011-7-21 39849 San Bernardino San Bernardino Mtns, Big Bear Valley between Big Bear Lake (Hwy 18) and Moonridge, Rathbone Creek, 10 acre parcel between Moonridge Rd. and the golf course, east of Club View Dr. (Moonridge 7.5' Q) 2115 Comment
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  RSA802205  Bromus rubens Duncan S. Bell 2010-5-31 1191 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA802110  Bromus tectorum Duncan S. Bell 2010-5-31 1177 A San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR128588  Bromus trinii A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12286 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR86678  Bromus trinii A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16804 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC556  Bromus trinii A. C. Sanders 1995-4-30 16804 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  POM147975  Caesalpinia virgata Marcus E. Jones 1927-4-12 5 M-11-26 San Bernardino The Pipes, near Morongo Valley. Comment
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Sep 17 2011
  RSA0031564  Calandrinia ciliata Duncan S. Bell 2011-4-23 2347 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0042897  Calandrinia ciliata Duncan S. Bell 2014-4-5 6557 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0038665  Calochortus kennedyi Duncan S. Bell 2010-5-21 1037 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  UCR233530  Calochortus kennedyi var. kennedyi Jim Andre 2011-5-16 17148 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0014920  Calycoseris parryi Duncan S. Bell 2013-4-14 4789 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0022324  Calycoseris parryi Duncan S. Bell 2011-4-23 2329 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0047429  Calycoseris parryi Duncan S. Bell 2014-4-25 6627 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0123990  Calycoseris parryi Duncan S. Bell, LeRoy Gross 2016-5-12 9554 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  RSA802013  Calycoseris parryi Duncan S. Bell 2010-5-31 1162 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR139259  Calycoseris parryi A. C. Sanders, Petra Wester 2004-6-11 28134 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR233512  Calycoseris parryi Jim Andre 2011-5-16 17166 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR274391  Calycoseris parryi Duncan S. Bell 2014-4-25 6627 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR86569  Calycoseris parryi A. C. Sanders, G. Helmkamp & L. Helmkamp 1995-4-30 16870 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC45  Calycoseris parryi A. C. Sanders 1995-4-30 16870 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  IRVC29296  Calyptridium monandrum Mark A. Elvin 2006-4-1 4717 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  RSA0040156  Calyptridium monandrum Duncan S. Bell 2014-4-25 6615 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0124295  Calyptridium monandrum Duncan S. Bell 2016-4-17 9343 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  UCR175746  Calyptridium monandrum Mark A. Elvin 2006-4-1 4717 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR274203  Calyptridium monandrum Duncan S. Bell 2010-5-21 1079 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, just to the west of Chaparrosa Wash, c. 1.4 air miles southwest of Pioneertown 1281 Comment
  UCR86670  Calyptridium monandrum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16819 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA0123988  Calyptridium parryi Duncan S. Bell, LeRoy Gross 2016-5-12 9557 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  IRVC29317  Camissonia bistorta Mark A. Elvin 2006-4-1 4664 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0046573  Camissonia californica Duncan S. Bell 2014-4-25 6649 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  IRVC29329  Camissonia campestris Mark A. Elvin 2006-4-1 4676 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0022314  Camissonia campestris Duncan S. Bell 2011-4-23 2319 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0038660  Camissonia campestris Duncan S. Bell 2010-5-21 1049 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1239 Comment
  SD248208  Camissonia campestris J. M. Andre 2014-4-10 29452 San Bernardino Near intersection of Pioneertown Rd and Pipes Cyn Rd., 3.4 miles north of Pioneertown. 1306 Comment
  UCR175549  Camissonia campestris Mark A. Elvin 2006-4-1 4676 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR50771  Camissonia campestris Jeri Hirshberg 1988-5-4 s.n. San Bernardino Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 to 2 mi NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  RSA0094601  Camissonia campestris subsp. campestris Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7946 San Bernardino Collecting in the bouldery valley between Black Lava Butte and Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1291 Comment
  RSA479824  Camissonia campestris subsp. campestris Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR233538  Camissonia campestris subsp. campestris Jim Andre 2011-5-16 17140 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0046571  Camissonia claviformis Duncan S. Bell 2014-4-25 6651 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA511554  Camissonia claviformis subsp. claviformis Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA0022315  Camissonia pallida Duncan S. Bell 2011-4-23 2320 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0038718  Camissonia pallida Duncan S. Bell 2014-4-25 6646 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0050359  Camissonia pallida Duncan S. Bell 2010-5-21 1065 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA711315  Camissonia pallida A. C. Sanders, O. F. Clarke 1992-5-9 12284 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  RSA801851  Camissonia pallida Duncan S. Bell 2010-5-31 1216 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR128888  Camissonia pallida A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12284 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157886  Camissonia pallida A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16830 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR175617  Camissonia pallida Mark A. Elvin 2006-4-1 4664 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29337  Camissonia pallida subsp. hallii Mark A. Elvin 2006-4-1 4684 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29473  Camissonia pallida subsp. hallii Mark A. Elvin 2006-4-1 4702 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  UCR102190  Camissonia pallida subsp. hallii Jeri Hirshberg 1988-5-4 s.n. San Bernardino Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 to 2 mi NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  RSA0028114  Camissonia pallida subsp. pallida Duncan S. Bell 2012-5-3 3579 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA780671  Camissonia pallida subsp. pallida Jim Andre 2011-5-16 17141 San Bernardino Along Pioneertown Road, 7.2 miles NNW of Hwy. 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hill. 1301 Comment
  RSA799365  Camissonia pallida subsp. pallida Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4740 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  UCR233537  Camissonia pallida subsp. pallida Jim Andre 2011-5-16 17141 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0123995  Camissonia pusilla Duncan S. Bell, LeRoy Gross 2016-5-12 9551 B San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  SD186267  Camissoniopsis pallida A. C. Sanders, O. F. Clarke, et al. 1992-5-9 12284 San Bernardino Mouth of Burns Canyon, 0.5 mile west of end of pavement near Rimrock. 1433 Comment
  RSA0094866  Camissoniopsis pallida subsp. pallida Duncan S. Bell 2015-4-2 7949 San Bernardino The east side of Black Lava Butte, to the northwest of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1318 Comment
  RSA0124293  Camissoniopsis pallida subsp. pallida Duncan S. Bell 2016-4-17 9339 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  UCR166123  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16887 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR272186  Camissoniopsis pallida subsp. pallida Duncan S. Bell 2015-4-2 7949 San Bernardino San Bernardino Mountains, east side of Black Lava Butte, to the northwest of Flat Top Mesa, at the southeastern end of the Bighorn Mountains 1318 Comment
  RSA0124728  Carex alma Duncan S. Bell, LeRoy Gross 2016-5-12 9569 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0021305  Carex douglasii Duncan S. Bell 2013-4-14 4810 San Bernardino Sawtooth Mountains; northwest side of the range, in Pipes Canyon, about 1.6 air miles in from Ranger Station and about 1.25 air miles north northwest from Chaparrosa Peak. 1467 Comment
  RSA0031563  Carex douglasii Duncan S. Bell 2011-4-23 2349 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA799345  Carex douglasii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4735 San Bernardino Sawtooth Mountains; Chaparrosa Spring; approximately 1.25 air mile southwest of Pioneertown. 1291 Comment
  RSA0125350  Carex praegracilis Duncan S. Bell, LeRoy Gross 2016-5-12 9583 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  IRVC29747  Castilleja Mark A. Elvin 2006-10-23 5218 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  JEPS32401  Castilleja angustifolia Ronald Basmajian 1956-3-26 26 San Bernardino 7 mi w Pipes Canyon jeep rd. jct. with Lucerne-29 Palms hwy. (Pipes Canyon jeeproad); Pipes Canyon 1828 Comment
  RSA0031465  Castilleja angustifolia Duncan S. Bell 2011-4-23 2332 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA509883  Castilleja angustifolia Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA512142  Castilleja angustifolia Ed LaRue, Sharon Douugherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  CLARK-A1528-843  Castilleja chromosa Arthur Douglas 1969-5-4 22 San Bernardino Pioneertown| Pipes Wash 1280 Comment
  RSA799371  Castilleja foliolosa Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4747 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  RSA0121849  Castilleja linariifolia Duncan S. Bell 2016-6-16 9759 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  SEINET270113 Image available Castilleja linariifolia G. Helmkamp 1993-9-22 34 -8 San Bernardino 6.7 miles up Burns Canyon from the junction of Pioneer Town and Pipes Canyon roads 1524 Comment
  RSA0031463  Caulanthus cooperi Duncan S. Bell 2011-4-23 2334 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0050355  Caulanthus cooperi Duncan S. Bell 2010-5-21 1061 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA0104096  Caulanthus cooperi Duncan S. Bell 2015-3-14 7848 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0121076  Caulanthus cooperi Duncan S. Bell 2016-3-13 8912 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA509871  Caulanthus cooperi Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  UCR272056  Caulanthus cooperi Duncan S. Bell 2015-3-14 7848 San Bernardino Western Mojave Desert, southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains 1338 Comment
  RSA0121075  Caulanthus lasiophyllus Duncan S. Bell 2016-3-13 8913 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA0123340  Caulanthus lasiophyllus Duncan S. Bell 2016-4-18 9384 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  SBBG50744  Caulanthus major R. S. Woglum 1941-6-14 3100 a San Bernardino Burns Cyn, off Morongo Valley towards Mt San Gorgonio 600 Comment
  SBBG50746  Caulanthus major R. S. Woglum 1941-4-13 3099 a San Bernardino Pipes Cyn off Morongo Valley toward Mt San Gorgonio Comment
  CLARK-A1528-795  Ceanothus greggii subsp. vestitus Conrad Bahre 1970-5-2 San Bernardino Pioneertown 1371 Comment
  POM148122  Ceanothus greggii var. perplexans Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA0028335  Ceanothus greggii var. perplexans Duncan S. Bell 2012-5-3 3585 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0031459  Ceanothus greggii var. perplexans Duncan S. Bell 2011-4-23 2339 A San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA787668  Centaurium exaltatum Duncan S. Bell 2012-5-8 3625 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  RSA0038666  Centrostegia thurberi Duncan S. Bell 2010-5-21 1038 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0038717  Centrostegia thurberi Duncan S. Bell 2014-4-25 6647 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA479827  Centrostegia thurberi Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA512144  Centrostegia thurberi Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mileW of Bowden Flat, on a stream channel that runs through Burns Canyon, ca. 1 mile SE of town of Rimrock. Pipe's Road traverses site. Comment
  SEINET8071641 Image available Centrostegia thurberi Jim Andre 2011-5-16 17177 San Bernardino Little San Bernardino Mountains; just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR233501  Centrostegia thurberi Jim Andre 2011-5-16 17177 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR274216  Centrostegia thurberi Duncan S. Bell 2010-5-21 1038 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, Sorrel Horse Canyon, a short distance from Pioneertown Road 1243 Comment
  UCR274469  Centrostegia thurberi Duncan S. Bell 2014-4-25 6647 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR50803  Centrostegia thurberi Jeri Hirshberg 1988-5-4 s.n. San Bernardino Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 to 2 mi NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  UCR86578  Centrostegia thurberi A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16891 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR86666  Centrostegia thurberi A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16829 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC400  Centrostegia thurberi A. C. Sanders 1995-4-30 16829 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  UCR26753  Centrostegia thurberi subsp. thurberi George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  RSA0031570  Cercocarpus betuloides Duncan S. Bell 2011-4-23 2340 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA656570  Cercocarpus betuloides James Henrickson 1998-4-19 22237 San Bernardino 7.5 miles NW of community of Yucca Valley on road NW of Pioneer Town [that] extends to Big Bear Lake about 6 miles NW of Pioneer Town in Burn's Canyon along roadway 1400 Comment
  RSA799363  Cercocarpus betuloides Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4738 San Bernardino Sawtooth Mountains; Chaparrosa Spring; approximately 1.25 air mile southwest of Pioneertown. 1291 Comment
  UCR146101  Cercocarpus betuloides James Henrickson 1998-4-19 22237 San Bernardino San Bernardino Mtns./Mojave Desert, 7.5 miles NW of community of Yucca Valley on road NW of Pioneer Town that extends to Big Bear Lake about 6 miles NW of Pioneer Town in Burn's Canyon along roadway 1400 Comment
  SBBG118455  Cercocarpus betuloides var. betuloides J. Henrickson 1998-4-19 22237 San Bernardino 7.5 mi NW of community of Yucca Valley on rd NW of Pioneer Town that extends to Big Bear Lake ca. 6 mi NW of Pioneer Town in Burn's Cyn 1400 Comment
  RSA0034099  Cercocarpus ledifolius Naomi S. Fraga, Duncan S. Bell, Jessica Chu, Evan Meyer 2013-3-28 4230 San Bernardino Burns Canyon Road near the community of Rimrock. 1340 Comment
  RSA0055846  Cercocarpus montanus var. glaber Duncan S. Bell 2014-4-5 6562 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0062555  Chaenactis fremontii Duncan S. Bell 2013-12-28 6095 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  RSA802204  Chaenactis fremontii Duncan S. Bell 2010-5-31 1190 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  IRVC29328  Chaenactis stevioides Mark A. Elvin 2006-4-1 4675 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29477  Chaenactis stevioides Mark A. Elvin 2006-4-1 4708 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0014919  Chaenactis stevioides Duncan S. Bell 2013-4-14 4788 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0046569  Chaenactis stevioides Duncan S. Bell 2014-4-25 6653 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0047390  Chaenactis stevioides Duncan S. Bell 2010-5-21 1039 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0104088  Chaenactis stevioides Duncan S. Bell 2015-3-14 7851 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA802014  Chaenactis stevioides Duncan S. Bell 2010-5-31 1161 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR139582  Chaenactis stevioides A. C. Sanders, Petra Wester 2004-6-11 28136 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR175550  Chaenactis stevioides Mark A. Elvin 2006-4-1 4675 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR233531  Chaenactis stevioides Jim Andre 2011-5-16 17147 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR274468  Chaenactis stevioides Duncan S. Bell 2014-4-25 6653 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR75510  Chaenactis stevioides A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13785 San Bernardino San Bernardino Mtns., east end of mtns., Pioneertown Rd at Short Rd, 3.3 mi. NW of Pioneertown between Sorrel Horse Canyon and Pipes Wash 1300 Comment
  UCR86597  Chaenactis stevioides A. C. Sanders, G. Helmkamp & L. Helmkamp 1995-4-30 16858 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC48  Chaenactis stevioides A. C. Sanders 1995-4-30 16858 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA511339  Chaenactis stevioides var. stevioides Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  IRVC29742  Chamaesyce Mark A. Elvin 2006-10-23 5228 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0021872  Chamaesyce albomarginata Duncan S. Bell 2013-8-22 5669 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0022312  Chamaesyce albomarginata Duncan S. Bell 2011-4-23 2317 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0026021  Chamaesyce albomarginata Duncan S. Bell 2012-9-8 4138 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0027519  Chamaesyce albomarginata Duncan S. Bell, Amanda Turek 2010-9-5 1948 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0104089  Chamaesyce albomarginata Duncan S. Bell 2015-3-14 7854 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA509876  Chamaesyce albomarginata Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA802107  Chamaesyce albomarginata Duncan S. Bell 2010-5-31 1183 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA811349  Chamaesyce albomarginata Duncan S. Bell, Amanda Turek 2010-9-4 1915 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0027849  Chamaesyce micromera Duncan S. Bell 2012-9-8 4123 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0050544  Chamaesyce serpillifolia Duncan S. Bell 2014-10-14 7640 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  RSA0027848  Chamaesyce setiloba Duncan S. Bell 2012-9-8 4122 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0022307  Cheilanthes covillei Duncan S. Bell 2011-4-23 2311 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0025110  Cheilanthes covillei Duncan S. Bell 2012-3-17 3159 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0050360  Cheilanthes covillei Duncan S. Bell 2010-5-21 1066 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA0055848  Cheilanthes covillei Duncan S. Bell 2014-4-5 6560 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  UCR269167  Cheilanthes covillei Duncan S. Bell 2011-4-23 2311 San Bernardino San Bernardino Mtns/Mojave Desert, Sawtooth Mountains; in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring 1338 Comment
  UCR50800  Cheilanthes viscida Jeri Hirshberg 1988-5-3 s.n. San Bernardino San Bernardino Mtns./Southern Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 mi NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA0036326  Chenopodium berlandieri Duncan S. Bell 2014-10-14 7624 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  IRVC29476  Chenopodium californicum Mark A. Elvin 2006-4-1 4707 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0021300  Chenopodium californicum Duncan S. Bell 2013-4-14 4799 San Bernardino Sawtooth Mountains; Water Canyon, approximately 0.8 air mile southwest of Chaparrosa Spring. 1293 Comment
  RSA0038657  Chenopodium californicum Duncan S. Bell 2010-5-21 1046 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1239 Comment
  RSA479837  Chenopodium californicum Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA787667  Chenopodium californicum Duncan S. Bell 2012-5-8 3627 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  UCR260197  Chenopodium californicum Duncan S. Bell 2013-4-14 4799 San Bernardino Western Mojave Desert, Sawtooth Mountains, Water Canyon, c. 0.8 air mi southwest of Chaparrosa Spring 1293 Comment
  RSA0036330  Chenopodium fremontii Duncan S. Bell 2014-10-14 7628 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA0050550  Chenopodium fremontii Duncan S. Bell 2014-10-14 7646 San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  RSA0094425  Chenopodium fremontii Duncan S. Bell 2015-10-2 8705 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  SD249189  Chenopodium fremontii Duncan S. Bell 2014-10-14 7646 San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range; Sorrel Horse Canyon to the west of Pioneertown. 1299 Comment
  UCR103346  Chenopodium fremontii George K. Helmkamp 1993-9-12 22- 12 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  UCR274242  Chenopodium fremontii Duncan S. Bell 2014-10-14 7646 San Bernardino Sawtooth Mountains, Pioneertown Mountains Preserve, western section of the range, in Sorrel Horse Canyon to the west of Pioneertown 1300 Comment
  RSA0024951  Chenopodium incanum Duncan S. Bell 2012-9-8 4131 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  UCR269192  Chenopodium incanum Duncan S. Bell 2012-9-8 4131 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains, in Water Canyon, about 2 miles south of Pioneertown 1160 Comment
  RSA0028227  Chilopsis linearis Duncan S. Bell, Amanda Turek 2010-9-4 1927 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  UCR139576  Chilopsis linearis A. C. Sanders, Petra Wester 2004-6-11 28147 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA511334  Chorizanthe brevicornu Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR86598  Chorizanthe brevicornu A. C. Sanders, G. K. Helmkamp 1995-4-30 16888 San Bernardino San Bernardino Mountains, Burns Canyon, 2.1 mi above Rimrock Rd., just below Burns Spring 1530 Comment
  VVC396  Chorizanthe brevicornu A. C. Sanders 1995-4-30 16888 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  CLARK-A1528-731  Chorizanthe thurberi 1966-5-20 San Bernardino Comment
  RSA643891  Chorizanthe thurberi A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16829 San Bernardino E San Bernardino Mts./ Mojave Desert: Rimrock, 4.1 mi. N of Pioneertown, along a dirt track W from Rimrock Rd., S of Burns Cyn. 1341 Comment
  RSA509880  Chorizanthe watsonii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA0014926  Chrysothamnus nauseosus Duncan S. Bell 2013-4-14 4795 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  POM68959  Chrysothamnus nauseosus subsp. mohavensis E. C. Jaeger, D. D. Keck 1925-10-3 247 San Bernardino The Pipes Wash near Morongo Valley. 1159 Comment
  CLARK-A1528-5612  Chrysothamnus paniculatus John C. Roos 1946-11-2 3152 San Bernardino Burn's Canyon 1219 Comment
  RSA614491  Chrysothamnus teretifolius A. C. Sanders, C. L. Sanders, P. Mackay 1994-10-16 15835 San Bernardino Burns Canyon, at a side canyon from the N ca. 1/4 mi. below Burns Spring. 1500 Comment
  UCR79517  Chrysothamnus teretifolius George K. Helmkamp 1993-9-12 23- 10 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  UCR82862  Chrysothamnus teretifolius A. C. Sanders, P. MacKay & C. L. Sanders 1994-10-16 15835 San Bernardino San Bernardino Mtns., Burns Canyon, at a side canyon from the north c. 0.25 mi below Burns Spring 1500 Comment
  OBI62225  Chrysothamnus viscidiflorus subsp. puberulus P. A. Holden 1969-10-12 1020 San Bernardino 3 mi N of Pioneertown and 8 mi N of Yucca Valley in Little san Bernardino Mtns Comment
  RSA0027525  Chrysothamnus viscidiflorus subsp. viscidiflorus Duncan S. Bell, Amanda Turek 2010-9-5 1944 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0124015  Chrysothamnus viscidiflorus subsp. viscidiflorus Duncan S. Bell 2016-6-16 9762 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  RSA0011396  Cirsium neomexicanum Duncan S. Bell, Amanda Turek 2010-5-30 1148 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0123984  Cirsium neomexicanum Duncan S. Bell, LeRoy Gross 2016-5-12 9560 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0022311  Cistanthe monandra Duncan S. Bell 2011-4-23 2316 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0053750  Cistanthe monandra Duncan S. Bell 2010-5-21 1079 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA0050373  Claytonia parviflora Duncan S. Bell 2010-5-21 1059 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  UCR274226  Claytonia parviflora Duncan S. Bell 2010-5-21 1059 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash 1252 Comment
  IRVC29435  Claytonia parviflora subsp. utahensis Mark A. Elvin 2006-4-1 4705 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0122912  Claytonia parviflora subsp. utahensis Duncan S. Bell 2016-4-18 9378 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 4 air miles west northwest of Pioneertown, or about 0.8 air mile north of Chaparrosa Peak. 1494 Comment
  RSA0054039  Clematis ligusticifolia Duncan S. Bell 2014-10-14 7636 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  RSA0094427  Clematis ligusticifolia Duncan S. Bell 2015-10-2 8703 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  SD249273  Clematis ligusticifolia Duncan S. Bell 2014-10-14 7636 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in thewestern section of range. 1398 Comment
  UCR274228  Clematis ligusticifolia Duncan S. Bell 2014-10-14 7636 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the western section of range 1398 Comment
  RSA512138  Cleome isomeris Ed LaRue, S. Dougherty, S. Meyers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  CAS-BOT-BC143471  Coleogyne ramosissima Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-15 405 San Bernardino C. 2 mi. northwest of Pioneertown (n.w. of Yucca Valley) before Pipes Canyon Rd., Mojave Desert 1371 Comment
  CLARK-A1528-810  Coleogyne ramosissima Conrad Bahre 1970-5-2 San Bernardino Pioneertown 1371 Comment
  NY201221  Coleogyne ramosissima C. R. Annable 1995-3-14 2277 San Bernardino Near Flamingo Heights, Hondo St, 2.7km E of Hwy 247 Comment
  RSA0041526  Coleogyne ramosissima Duncan S. Bell 2014-4-25 6661 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR139579  Coleogyne ramosissima A. C. Sanders, Petra Wester 2004-6-11 28139 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR17470  Coleogyne ramosissima N. R. Zabriskie, W. W. Zabriskie 1971-5-15 405 San Bernardino San Bernardino Mtns./Southern Mojave Desert, c. 2 mi NW of Pioneertown (NW of Yucca Valley) before Pipes Canyon Road 1372 Comment
  RSA0027535  Conyza canadensis Duncan S. Bell, Amanda Turek 2010-9-5 1935 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA781931  Conyza canadensis Duncan S. Bell, Amanda Bell 2011-10-8 2966 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR233969  Conyza canadensis Duncan S. Bell, Amanda Bell 2011-10-8 2966 San Bernardino Southcentral Mojave Desert, Sawtooth Mountains; c. 1.3 air miles SW of where Pioneertown Rd. crosses Chaparrosa Wash, c. 0.4 air mi. NW of Chaparrosa Spring 1281 Comment
  RSA0050551  Conyza canadensis var. canadensis Duncan S. Bell 2014-10-14 7647 A San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  RSA0060798  Conyza canadensis var. canadensis Duncan S. Bell 2014-10-14 7618 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  CLARK-A1528-4196  Cordylanthus filifolius John C. Roos 1946-10-5 3111 San Bernardino Pipes Creek 1356 Comment
  UCR79295  Cordylanthus rigidus George K. Helmkamp 1993-9-12 23 13 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  RSA0027523  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Turek 2010-9-5 1942 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0028225  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Turek 2010-9-4 1925 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA567982B  Cordylanthus rigidus subsp. setiger George K. Helmkamp 1993-9-12 23 -13 San Bernardino Along the edge of Burns Canyon. 1372 Comment
  RSA782024  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Bell 2011-10-8 2967 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA798826  Cordylanthus rigidus subsp. setiger Duncan S. Bell 2012-10-8 4345 San Bernardino Sawtooth Mountains; Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring, or approximately 1.8 air miles southwest of where Water Canyon crosses Pioneertown Road. 1172 Comment
  UCR233950  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Bell 2011-10-8 2967 San Bernardino Southcentral Mojave Desert, Sawtooth Mountains; c. 1.3 air miles SW of where Pioneertown Rd. crosses Chaparrosa Wash, c. 0.4 air mi. NW of Chaparrosa Spring 1281 Comment
  UCR24476  Cordylanthus rigidus subsp. setiger John C. Roos 1946-10-5 3111 San Bernardino San Bernardino Mtns, Pipes Creek, east slope of San Bernardino Mtns 1372 Comment
  UCR269185  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Turek 2010-9-4 1925 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown 1248 Comment
  UCR269190  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Amanda Turek 2010-9-5 1942 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown 1532 Comment
  IRVC29294  Coreopsis bigelovii Mark A. Elvin 2006-4-1 4716 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  RSA0022323  Coreopsis bigelovii Duncan S. Bell 2011-4-23 2328 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028109  Coreopsis bigelovii Duncan S. Bell 2012-5-3 3574 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0038664  Coreopsis bigelovii Duncan S. Bell 2010-5-21 1036 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  UCR175749  Coreopsis bigelovii Mark A. Elvin 2006-4-1 4716 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR233500  Coreopsis bigelovii Jim Andre 2011-5-16 17178 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR26767  Coreopsis californica George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  RSA0031569  Crossosoma bigelovii Duncan S. Bell 2011-4-23 2341 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0068164  Croton californicus J. M. Andre 2014-5-8 29442 San Bernardino Near intersection of Pioneertown Rd and Pipes Cyn Rd, 3.4 mi. north of Pioneertown. 1306 Comment
  IRVC29332  Cryptantha Mark A. Elvin 2006-4-1 4678 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29334  Cryptantha Mark A. Elvin 2006-4-1 4681 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR128883  Cryptantha A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12274 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  RSA0047434  Cryptantha barbigera Duncan S. Bell 2014-4-25 6622 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0069784  Cryptantha barbigera Duncan S. Bell 2013-12-28 6093 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  UCR86560  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16884 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR86564  Cryptantha barbigera A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16869 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0055803  Cryptantha barbigera var. fergusoniae Duncan S. Bell 2014-4-5 6567 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  UCR233507  Cryptantha barbigera var. fergusoniae Jim Andre 2011-5-16 17171 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR233534  Cryptantha barbigera var. fergusoniae Jim Andre 2011-5-16 17144 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR274394  Cryptantha barbigera var. fergusoniae Duncan S. Bell 2014-4-25 6609 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  IRVC29315  Cryptantha circumscissa Mark A. Elvin 2006-4-1 4662 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0025183  Cryptantha circumscissa Duncan S. Bell 2011-4-23 2304 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028119  Cryptantha circumscissa Duncan S. Bell 2012-5-3 3570 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0053758  Cryptantha circumscissa Duncan S. Bell 2010-5-21 1091 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0122889  Cryptantha circumscissa Duncan S. Bell 2016-4-18 9390 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA479834  Cryptantha circumscissa Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  RSA512143  Cryptantha circumscissa Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  UCR175754  Cryptantha circumscissa Mark A. Elvin 2006-4-1 4662 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR86674  Cryptantha circumscissa A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16809 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC122  Cryptantha circumscissa A. C. Sanders 1995-4-30 16809 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  UCR157589  Cryptantha decipiens A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16818 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR267797  Cryptantha decipiens Jim Andre 2014-5-8 29444 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  RSA0011403  Cryptantha intermedia Duncan S. Bell, Amanda Turek 2010-5-30 1141 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0022310  Cryptantha intermedia Duncan S. Bell 2011-4-23 2315 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0120604  Cryptantha intermedia Duncan S. Bell 2016-3-13 8916 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA479817  Cryptantha intermedia Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  RSA780962  Cryptantha intermedia J. Andre 2011-5-16 17144 San Bernardino Along Pioneertown Road, 7.2 miles NNW of Hwy. 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hill. 1301 Comment
  UCR16166  Cryptantha intermedia C. Bahre 1970-5-2 s.n. San Bernardino San Bernardino Mtns./Southern Mojave Desert, 1.5 mi. NW of Pioneertown 1372 Comment
  UCR50772  Cryptantha intermedia Jeri Hirshberg 1988-5-3 s.n. San Bernardino San Bernardino Mtns./Southern Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 mi NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  UCR86577  Cryptantha intermedia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16878 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC124  Cryptantha intermedia A. C. Sanders 1995-4-30 16878 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0120862  Cryptantha micrantha Duncan S. Bell 2016-4-17 9350 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  UCR86673  Cryptantha micrantha var. lepida A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16811 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  IRVC29314  Cryptantha micrantha var. micrantha Mark A. Elvin 2006-4-1 4661 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR175753  Cryptantha micrantha var. micrantha Mark A. Elvin 2006-4-1 4661 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29492  Cryptantha nevadensis Mark A. Elvin 2006-4-1 4732 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  RSA0050365  Cryptantha nevadensis Duncan S. Bell 2010-5-21 1051 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  UCR86557  Cryptantha nevadensis A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16866 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0040162  Cryptantha nevadensis var. nevadensis Duncan S. Bell 2014-4-25 6609 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0094588  Cryptantha nevadensis var. nevadensis Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7945 San Bernardino Collecting in the bouldery valley between Black Lava Butte and Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1291 Comment
  VVC128  Cryptantha pterocarya A. C. Sanders 1995-4-30 16813 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  RSA0021301  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2013-4-14 4797 San Bernardino Sawtooth Mountains; Water Canyon, approximately 0.8 air mile southwest of Chaparrosa Spring. 1293 Comment
  RSA0028111  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2012-5-3 3576 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0120859  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-4-17 9353 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0121073  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-3-13 8915 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA802111  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2010-5-31 1187 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA802123  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2010-5-31 1165 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  RSA0040159  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2014-4-25 6612 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR175762  Cryptantha pterocarya var. pterocarya Mark A. Elvin 2006-4-1 4723 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR175766  Cryptantha pterocarya var. pterocarya Mark A. Elvin 2006-4-1 4720 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR86672  Cryptantha pterocarya var. pterocarya A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16813 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UC2031362  Cryptantha pterocarya var. purpusii Duncan S. Bell 2010-5-31 1165 San Bernardino Sawtooth Mountains; approximately 1.25 air miles SW of Pioneer town, and approx. 0.75 air miles N of Chaparrosa Spring. Comment
  RSA0046572  Cryptantha utahensis Duncan S. Bell 2014-4-25 6650 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0123987  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-5-12 9556 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  CLARK-A1528-2613  Cuscuta indecora John C. Roos 1946-10-5 3109 San Bernardino San Bernardino Mountains 1356 Comment
  RSA40559  Cuscuta indecora J. C. Roos 1946-10-5 3109 San Bernardino The Pipes, east side of San Bernardino Mountains. 1357 Comment
  SEINET810126  Cuscuta indecora J. C. Roos 1946-1 3109 San Bernardino The Pipes, E. side of the San Bernardino Mountains, N. of Yucca Valley 1356 Comment
  UCR23689  Cuscuta indecora John C. Roos 1946-10-5 3109 San Bernardino San Bernardino Mtns./Southern Mojave Desert, The Pipes, a desert slope on the E side of the mountains, north of Yucca Valley. At mouth of canyon 1357 Comment
  RSA0125348  Cymopterus panamintensis Duncan S. Bell, LeRoy Gross 2016-5-12 9574 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0047394  Cynodon dactylon Duncan S. Bell 2014-10-14 7612 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  RSA0050549  Datura wrightii Duncan S. Bell 2014-10-14 7645 San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  RSA509881  Delphinium parishii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA0053747  Delphinium parryi Duncan S. Bell 2010-5-21 1077 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  IRVC29348  Descurainia pinnata Mark A. Elvin 2006-4-1 4695 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR175546  Descurainia pinnata Mark A. Elvin 2006-4-1 4695 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA0120544  Descurainia pinnata subsp. brachycarpa Duncan S. Bell 2016-4-17 9368 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA479820  Descurainia pinnata subsp. brachycarpa Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA512147  Descurainia pinnata subsp. brachycarpa Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA0120858  Descurainia pinnata subsp. glabra Duncan S. Bell 2016-4-17 9354 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0120869  Descurainia pinnata subsp. glabra Duncan S. Bell 2016-4-17 9362 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0120226  Descurainia pinnata subsp. intermedia Duncan S. Bell 2016-3-13 8920 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA0014924  Dichelostemma capitatum Duncan S. Bell 2013-4-14 4793 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0040157  Dichelostemma capitatum Duncan S. Bell 2014-4-25 6614 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA802201  Dichelostemma capitatum Duncan S. Bell 2010-5-31 1192 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  IRVC29433  Dichelostemma pulchellum Mark A. Elvin 2006-4-1 4699 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0069785  Diplacus aurantiacus subsp. aurantiacus Duncan S. Bell 2013-12-28 6092 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  RSA0094426  Distichlis spicata Duncan S. Bell 2015-10-2 8304 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  UCR128586  Dudleya saxosa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12272 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR50797  Dudleya saxosa Jeri Hirshberg 1988-5-4 s.n. San Bernardino Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 to 2 mi NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  RSA0028332  Dudleya saxosa subsp. aloides Duncan S. Bell 2012-5-3 3588 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0053748  Dudleya saxosa subsp. aloides Duncan S. Bell 2010-5-21 1078 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  UCR59922  Dudleya saxosa subsp. aloides Ed LaRue, S. Dougherty, S. J. Myers 1989-4-17 s.n. San Bernardino San Bernardino Mtns./Mojave Desert, 0.5 mi west of Bowden Flat, on a stream channel running through Burns Canyon, c. 1 mi SE of town of Rimrock. Pipes Road transverses the site 1341 Comment
  RSA511567  Dyssodia cooperi Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  UCR139577  Dyssodia cooperi A. C. Sanders, Petra Wester 2004-6-11 28145 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  CAS-BOT-BC113306  Eleocharis parishii Mark A. Elvin 2006-10-23 5212 San Bernardino Pipes Canyon Preserve, Pipes Canyon, Pipes Creek, 1378 Comment
  IRVC29736  Eleocharis parishii Mark A. Elvin 2006-10-23 5212 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0021304  Eleocharis parishii Duncan S. Bell 2013-4-14 4809 San Bernardino Sawtooth Mountains; northwest side of the range, in Pipes Canyon, about 1.6 air miles in from Ranger Station and about 1.25 air miles north northwest from Chaparrosa Peak. 1467 Comment
  RSA0038655  Elymus elymoides Duncan S. Bell 2010-5-21 1044 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0046575  Elymus elymoides Duncan S. Bell 2014-4-25 6639 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA489138  Elymus elymoides Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA512149  Elymus elymoides Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mileW of Bowden Flat, on a stream channel that runs through Burns Canyon, ca. 1 mile SE of town of Rimrock. Pipe's Road traverses site., (Near 34 deg 11'N, 116 deg 32'W.) Comment
  RSA0123103  Elymus triticoides Duncan S. Bell 2016-6-16 9760 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  RSA0021308  Emmenanthe penduliflora Duncan S. Bell 2013-8-22 5668 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA799370  Emmenanthe penduliflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4746 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  RSA802203  Emmenanthe penduliflora Duncan S. Bell 2010-5-31 1189 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR129514  Emmenanthe penduliflora A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12291 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR139258  Emmenanthe penduliflora A. C. Sanders, Petra Wester 2004-6-11 28133 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR86567  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16864 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC252  Emmenanthe penduliflora A. C. Sanders, G. Helmcamp 1995-4-30 16464 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR233526  Emmenanthe penduliflora var. penduliflora Jim Andre 2011-5-16 17152 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0121074  Encelia actoni Duncan S. Bell 2016-3-13 8911 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA0025111  Ephedra californica Duncan S. Bell 2012-3-17 3162 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0120870  Ephedra californica Duncan S. Bell 2016-4-17 9361 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0123993  Ephedra californica Duncan S. Bell, LeRoy Gross 2016-5-12 9562 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA167540  Ephedra californica Robert F. Thorne 1964-5-3 34006 San Bernardino Pipes Wash, 5.2 miles N of Yucca Valley, Joshua Tree road. Comment
  RSA167602  Ephedra californica Robert F. Thorne 1964-5-3 34005 San Bernardino Pipes Wash, 5.2 miles N of Yucca Valley, Joshua Tree road. Comment
  SD60396  Ephedra californica Robert F. Thorne 1964-5-3 34005 San Bernardino Pipes Wash; 5.2 miles north of Yucca Valley, Joshua Tree road Comment
  UC1302450  Ephedra californica Robert F. Thorne 1964-5-3 34006 San Bernardino 5.2 mi n of Yucca Valley (Pipes Wash); Pipes Wash Comment
  NY43341  Ephedra nevadensis C. R. Annable 1995-3-14 2276 San Bernardino Near Flamingo Heights, Hondo St, 2.7km E of Hwy 247 Comment
  RSA0031566  Ephedra nevadensis Duncan S. Bell 2011-4-23 2344 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0047404  Ephedra nevadensis Duncan S. Bell 2014-4-25 6634 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0123338  Ephedra nevadensis Duncan S. Bell 2016-4-18 9382 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA645416  Ephedra nevadensis A. C. Sanders, G. L. Helmkamp 1995-4-30 16872 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  UCR86574  Ephedra nevadensis A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16873 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC1261  Ephedra nevadensis A. C. Sanders 1995-4-30 16872 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC1262  Ephedra nevadensis A. C. Sanders 1995-4-30 16873 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA511563  Ephedra viridis Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA0027526  Epilobium canum Duncan S. Bell, Amanda Turek 2010-9-5 1945 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0027695  Epilobium canum Duncan S. Bell 2012-9-8 4135 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0050542  Epilobium canum Duncan S. Bell 2014-10-14 7637 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  UCR23518  Epilobium canum John C. Roos 1946-10-5 3105 San Bernardino San Bernardino Mtns, Pipes Creek, east slope of San Bernardino Mtns 1372 Comment
  IRVC29745  Epilobium canum subsp. latifolium Mark A. Elvin 2006-10-23 5225 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  POM135851  Epilobium canum subsp. latifolium Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA567432  Epilobium canum subsp. latifolium George K. Helmkamp 1993-9-12 22 -15 San Bernardino Pinon-oak woodland in Burns Canyon, in the vicinity of Burns Spring. 1524 Comment
  SBBG103907  Epilobium canum subsp. latifolium G. K. Helmkamp 1993-9-22 34 -20 San Bernardino 6.7 mi up Burns Cyn from the jct of Pioneer Town and Pipes Cyn Rds 1524 Comment
  IRVC29735  Epilobium ciliatum subsp. ciliatum Mark A. Elvin 2006-10-23 5211 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0103113  Epipactis gigantea Duncan S. Bell 2015-5-23 8322 San Bernardino Collecting on the Pioneertown Mountains Preserve, in Pipes Canyon, approximately 1.75 air miles west southwest from the Preserve headquarters. 1452 Comment
  CAS-BOT-BC57406  Equisetum laevigatum Mark A. Elvin 2006-10-23 5217 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, 1378 Comment
  IRVC29741  Equisetum laevigatum Mark A. Elvin 2006-10-23 5217 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0103112  Equisetum laevigatum Duncan S. Bell 2015-5-23 8323 San Bernardino Collecting on the Pioneertown Mountains Preserve, in Pipes Canyon, approximately 1.75 air miles west southwest from the Preserve headquarters. 1452 Comment
  RSA0050543  Eragrostis mexicana Duncan S. Bell 2014-10-14 7638 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  UCR139992  Eriastrum A. C. Sanders, Petra Wester 2004-6-11 28148 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0106926  Eriastrum densifolium subsp. austromontanum Duncan S. Bell 2010-5-31 1212 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0025146  Eriastrum densifolium subsp. elongatum Duncan S. Bell, Amanda Turek 2010-9-4 1918 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0025140  Eriastrum eremicum Duncan S. Bell, Amanda Turek 2010-9-4 1914 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  UCR269184  Eriastrum eremicum Duncan S. Bell, Amanda Turek 2010-9-4 1914 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown 1248 Comment
  RSA0011386  Eriastrum eremicum subsp. eremicum Duncan S. Bell 2010-5-31 1208 B San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0053714  Eriastrum eremicum subsp. eremicum Duncan S. Bell 2010-5-21 1073 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA0055811  Eriastrum eremicum subsp. eremicum Duncan S. Bell 2014-4-5 6569 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  UCR233523  Eriastrum eremicum subsp. eremicum Jim Andre 2011-5-16 17155 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR267360  Eriastrum eremicum subsp. eremicum Jim Andre 2014-5-8 29446 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  RSA0123982  Eriastrum signatum Duncan S. Bell, LeRoy Gross 2016-5-12 9563 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0011387  Eriastrum sparsiflorum Duncan S. Bell 2010-5-31 1208 A San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0024955  Eriastrum sparsiflorum Duncan S. Bell 2011-4-23 2296 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0042889  Eriastrum sparsiflorum Duncan S. Bell 2014-4-5 6549 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  OBI2149  Ericameria cuneata var. spathulata P. A. Holden 1969-10-12 1015 San Bernardino Burns cyn about 10 mi NW of Pioneer town Comment
  POM68968  Ericameria cuneata var. spathulata E. C. Jaeger, D. D. Keck 1925-10-3 238 San Bernardino Pipes Wash near the Windmill near Morongo Valley 1098 Comment
  RSA0021314  Ericameria cuneata var. spathulata Duncan S. Bell 2010-11-26 2011 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0025106  Ericameria linearifolia Duncan S. Bell 2012-3-17 3164 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0031567  Ericameria linearifolia Duncan S. Bell 2011-4-23 2343 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0041523  Ericameria linearifolia Duncan S. Bell 2014-4-25 6658 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0047439  Ericameria linearifolia Duncan S. Bell 2010-5-21 1041 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  UCR121846  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 2001-3-24 6323 San Bernardino East foothills, San Bernardino Mtns, Pipes Cyn Rd., 0.4 mi west of Pioneertown Rd., north of Yucca Valley. 1250 Comment
  UCR16714  Ericameria linearifolia Arthur Douglas 1969-5-4 21 San Bernardino San Bernardino Mtns./Southern Mojave Desert, near Pioneertown, 4 miles west of the east end of the Pipes Canyon Road 1280 Comment
  UCR274237  Ericameria nauseosa subsp. consimilis Duncan S. Bell 2014-10-14 7627 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the southwestern section of range 1334 Comment
  RSA0094422  Ericameria nauseosa var. mohavensis Duncan S. Bell 2015-10-2 8708 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  UC354509  Ericameria nauseosa var. mohavensis Jaeger and Keck 1925-10-3 San Bernardino near Morongo Valley; The Pipes Wash Comment
  RSA0036329  Ericameria nauseosa var. oreophila Duncan S. Bell 2014-10-14 7627 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  CAS-BOT-BC299551  Ericameria paniculata A. C. Sanders; P. MacKay; C. L. Sanders 1994-10-16 15833 San Bernardino Burns Canyn at a side canyon from teh north ca. 1/4 mi. below Burns Spring, San Bernardino Mountains 1493 Comment
  RSA0060793  Ericameria paniculata Duncan S. Bell 2014-10-14 7613 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  UCR82861  Ericameria paniculata A. C. Sanders, Pam MacKay & C. L. Sanders 1994-10-16 15833 San Bernardino San Bernardino Mtns., Burns Canyon, at a side canyon from the north c. 0.25 mi below Burns Spring 1500 Comment
  RSA0050545  Ericameria teretifolia Duncan S. Bell 2014-10-14 7641 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  UCR274245  Ericameria teretifolia Duncan S. Bell 2014-10-14 7641 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the western section of range 1398 Comment
  RSA0027522  Erigeron Duncan S. Bell, Amanda Turek 2010-9-5 1941 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  UCR274205  Erigeron canadensis Duncan S. Bell 2014-10-14 7618 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the southwestern section of range 1334 Comment
  UCR274241  Erigeron canadensis Duncan S. Bell 2014-10-14 7647 A San Bernardino Sawtooth Mountains, Pioneertown Mountains Preserve, western section of the range, in Sorrel Horse Canyon to the west of Pioneertown 1300 Comment
  RSA0038658  Erigeron foliosus Duncan S. Bell 2010-5-21 1047 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1239 Comment
  RSA0060795  Erigeron foliosus Duncan S. Bell 2014-10-14 7615 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  RSA0125211  Erigeron foliosus Duncan S. Bell, LeRoy Gross 2016-5-12 9580 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA787660  Erigeron foliosus Duncan S. Bell 2012-5-8 3629 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  UCR139257  Erigeron foliosus A. C. Sanders, Petra Wester 2004-6-11 28127 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR233499  Erigeron foliosus Jim Andre 2011-5-16 17179 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  CAS-BOT-BC296275  Erigeron foliosus var. foliosus A. C. Sanders; Petra Wester 2004-6-11 28127 San Bernardino Burns Canyon, upper canyon in vicinity of Burns Spring, Rimrock 7.5' Q., San Bernardino Mtns. 1524 Comment
  CAS-BOT-BC300479  Erigeron foliosus var. stenophyllus G. Helmkamp 1993-9-12 22 -5 San Bernardino In Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  UCR103347  Erigeron foliosus var. stenophyllus George K. Helmkamp 1993-9-12 93-22- 05 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA125845  Eriodictyon trichocalyx E. K. Balls, Percy C. Everett 1957-11-13 22806 San Bernardino 1.9 miles W of Pioneer Town, on road Yucca Valley to Baldwin Lake. 1250 Comment
  RSA802120  Eriodictyon trichocalyx Duncan S. Bell 2010-5-31 1168 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UC1087302  Eriodictyon trichocalyx E. K. Balls and P. C. Everett 1957-11-13 22806 San Bernardino on road Yucca Valley to Baldwin Lake 1.9 mi w Pioneer Town; on road Yucca Valley to Baldwin Lake 1249 Comment
  UCR16692  Eriodictyon trichocalyx Michael Nugent, J. R. Olson 1969-5-18 26 San Bernardino San Bernardino Mtns., 2.0 mi. up the eastern entrance to Burns Canyon Road 1524 Comment
  UCR79298  Eriodictyon trichocalyx George K. Helmkamp 1993-9-12 993-23- 01 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  IRVC29478  Eriodictyon trichocalyx var. trichocalyx Mark A. Elvin 2006-4-1 4709 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0012206  Eriogonum apiculatum A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15823 San Bernardino Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1357 Comment
  RSA0121852  Eriogonum apiculatum Duncan S. Bell 2016-6-16 9756 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.75 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1465 Comment
  RSA0121853  Eriogonum apiculatum Duncan S. Bell 2016-6-16 9756 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.75 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1465 Comment
  UCR176980  Eriogonum apiculatum A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15823 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  RSA0020463  Eriogonum baileyi Duncan S. Bell 2013-8-22 5672 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0025102  Eriogonum baileyi Duncan S. Bell, Amanda Turek 2010-9-4 1920 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0121865  Eriogonum baileyi Duncan S. Bell 2015-11-25 8734 San Bernardino Pioneertown Mountains Preserve; lower section of Pipes Canyon, approximately 1.75 air miles southwest of the ranger station. 1469 Comment
  POM68961  Eriogonum baileyi var. baileyi E. C. Jaeger, D. D. Keck 1925-10-3 241 San Bernardino The Pipe's Wash near Morongo Valley 1220 Comment
  POM68962  Eriogonum baileyi var. baileyi E. C. Jaeger, D. D. Keck 1925-10-3 242 San Bernardino The Pipe's Wash near Morongo Valley 1220 Comment
  SEINET6328863  Eriogonum baileyi var. baileyi Lyle A. McGill 1976-8-17 LAM 1102 San Bernardino Pioneertown, arroyo N of town Comment
  UCR82891  Eriogonum brachyanthum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15822 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  RSA0027924  Eriogonum cithariforme var. agninum Duncan S. Bell, Amanda Turek 2010-9-4 1921 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0060799  Eriogonum cithariforme var. agninum Duncan S. Bell 2014-10-14 7621 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA0094420  Eriogonum cithariforme var. agninum Duncan S. Bell 2015-10-2 8710 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  RSA0121866  Eriogonum cithariforme var. agninum Duncan S. Bell 2015-11-25 8733 San Bernardino Pioneertown Mountains Preserve; lower section of Pipes Canyon, approximately 1.75 air miles southwest of the ranger station. 1469 Comment
  RSA0123985  Eriogonum cithariforme var. agninum Duncan S. Bell, LeRoy Gross 2016-5-12 9559 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0021561  Eriogonum davidsonii Duncan S. Bell 2010-11-26 2007 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0027850  Eriogonum davidsonii Duncan S. Bell 2012-9-8 4139 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0042895  Eriogonum davidsonii Duncan S. Bell 2014-4-5 6555 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0047405  Eriogonum davidsonii Duncan S. Bell 2014-4-25 6635 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0050356  Eriogonum davidsonii Duncan S. Bell 2010-5-21 1062 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA0050370  Eriogonum davidsonii Duncan S. Bell 2010-5-21 1056 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  RSA0055810  Eriogonum davidsonii Duncan S. Bell 2014-4-5 6570 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA0104539  Eriogonum davidsonii Duncan S. Bell 2015-8-23 8635 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  RSA511335  Eriogonum davidsonii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA567428  Eriogonum davidsonii George K. Helmkamp 1993-9-12 23 -9 San Bernardino Along the edge of Burns Canyon. 1372 Comment
  RSA782031  Eriogonum davidsonii Duncan S. Bell, Amanda Bell 2011-10-8 2974 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA802015  Eriogonum davidsonii Duncan S. Bell 2010-5-31 1163 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  RSA802202  Eriogonum davidsonii Duncan S. Bell 2010-5-31 1188 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  SD143790  Eriogonum davidsonii Andy C. Sanders 1994-10-9 15821 San Bernardino San Bernardino Mountains; Pipes Canyon, lower part of cyn. from the gaging station upstream ca. 1 mile 1399 Comment
  UCR139256  Eriogonum davidsonii A. C. Sanders, Petra Wester 2004-6-11 28126 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR233528  Eriogonum davidsonii Jim Andre 2011-5-16 17150 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR233963  Eriogonum davidsonii Duncan S. Bell, Amanda Bell 2011-10-8 2974 San Bernardino Southcentral Mojave Desert, Sawtooth Mountains; c. 1.3 air miles SW of where Pioneertown Rd. crosses Chaparrosa Wash, c. 0.4 air mi. NW of Chaparrosa Spring 1281 Comment
  UCR269193  Eriogonum davidsonii Duncan S. Bell 2012-9-8 4139 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains, in Water Canyon, about 2 miles south of Pioneertown 1160 Comment
  UCR274389  Eriogonum davidsonii Duncan S. Bell 2014-4-25 6635 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR79297  Eriogonum davidsonii George K. Helmkamp 1993-9-12 23- 06 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  UCR82890  Eriogonum davidsonii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15821 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  RSA0025141  Eriogonum elongatum Duncan S. Bell, Amanda Turek 2010-9-4 1912 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0026023  Eriogonum elongatum Duncan S. Bell 2012-9-8 4141 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0060792  Eriogonum elongatum Duncan S. Bell 2014-10-14 7620 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  UCR269182  Eriogonum elongatum Duncan S. Bell, Amanda Turek 2010-9-4 1912 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown 1248 Comment
  RSA802005  Eriogonum fasciculatum Duncan S. Bell, Amanda Turek 2010-5-30 1153 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  SEINET1909599  Eriogonum fasciculatum var. polifolium A. C. Sanders, Petra Wester 2004-1 28143 San Bernardino San Bernardino Mtns: Burns Canyon, upper canyon in vicinity of Burns Spring 1478 Comment
  UCR139586  Eriogonum fasciculatum var. polifolium A. C. Sanders, Petra Wester 2004-6-11 28143 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR274209  Eriogonum gracile Duncan S. Bell 2014-10-14 7639 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the western section of range 1398 Comment
  RSA0054036  Eriogonum gracile var. incultum Duncan S. Bell 2014-10-14 7639 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  SD249264  Eriogonum gracile var. incultum Duncan S. Bell 2014-10-14 7639 San Bernardino Sawtooth Mountain son the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  UCR79292  Eriogonum inflatum George K. Helmkamp 1993-9-12 22- 07 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0123339  Eriogonum inflatum var. inflatum Duncan S. Bell 2016-4-18 9383 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA511556  Eriogonum inflatum var. inflatum Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA0021306  Eriogonum maculatum Duncan S. Bell 2013-8-22 5665 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0028228  Eriogonum maculatum Duncan S. Bell, Amanda Turek 2010-9-5 1928 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0042896  Eriogonum maculatum Duncan S. Bell 2014-4-5 6556 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0047402  Eriogonum maculatum Duncan S. Bell 2014-4-25 6632 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0094797  Eriogonum maculatum Duncan S. Bell 2015-8-23 8638 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  RSA0094867  Eriogonum maculatum Duncan S. Bell 2015-4-2 7948 San Bernardino The east side of Black Lava Butte, to the northwest of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1318 Comment
  RSA511336  Eriogonum maculatum Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR128881  Eriogonum maculatum A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12278 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157876  Eriogonum maculatum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16883 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR233539  Eriogonum maculatum Jim Andre 2011-5-16 17139 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR260196  Eriogonum maculatum Duncan S. Bell 2013-8-22 5665 San Bernardino Mojave Desert, west side of Black Hill, c. 1.5 air mi northwesty of Pioneertown 1359 Comment
  UCR267798  Eriogonum maculatum Jim Andre 2014-5-8 29443 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  CLARK-A1528-743  Eriogonum molestum Charlotte Stocks 1966-6-15 San Bernardino Comment
  RSA0094796  Eriogonum nidularium Duncan S. Bell 2015-8-23 8639 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  RSA0021311  Eriogonum palmerianum Duncan S. Bell 2013-8-22 5666 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0047426  Eriogonum palmerianum Duncan S. Bell 2014-4-25 6631 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0121851  Eriogonum parishii Duncan S. Bell 2016-6-16 9757 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.75 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1465 Comment
  POM68963  Eriogonum plumatella E. C. Jaeger, D. D. Keck 1925-10-3 240 San Bernardino The Pipe's Wash near Morongo Valley 1220 Comment
  RSA0025147  Eriogonum plumatella Duncan S. Bell, Amanda Turek 2010-9-4 1919 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0026022  Eriogonum plumatella Duncan S. Bell 2012-9-8 4140 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0104538  Eriogonum plumatella Duncan S. Bell 2015-8-23 8637 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  RSA567981  Eriogonum plumatella George K. Helmkamp 1993-9-12 23 -16 San Bernardino Along the edge of Burns Canyon. 1372 Comment
  UC279704  Eriogonum plumatella Jaeger and Keck 1925-10-3 San Bernardino near Morongo Valley (The Pipes Wash); The Pipes Wash 1127 Comment
  UCR24311  Eriogonum plumatella John C. Roos 1946-10-5 3108 San Bernardino San Bernardino Mtns., mouth of Pipes Creek, east slope of mtns 1311 Comment
  UCR79294  Eriogonum plumatella George K. Helmkamp 1993-9-12 23- 16 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  POM68964  Eriogonum plumatella var. jaegeri E. C. Jaeger, D. D. Keck 1925-10-3 239 San Bernardino The Pipe's Wash near Morongo Valley 1220 Comment
  CAS-BOT-BC175202  Eriogonum pusillum A. C. Sanders; Petra Wester 2004-6-11 28128 San Bernardino San Bernardino Mtns.: Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0025327  Eriogonum pusillum Duncan S. Bell 2012-9-8 4142 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0047435  Eriogonum pusillum Duncan S. Bell 2014-4-25 6619 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0120864  Eriogonum pusillum Duncan S. Bell 2016-4-17 9348 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA511337  Eriogonum pusillum Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA512139  Eriogonum pusillum Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  UCD100858  Eriogonum pusillum A. C. Sanders; Petra Wester 2004-6-11 28128 San Bernardino Burns Canyon, upper canyon in vicinity of Burns Spring. 1479 Comment
  UCR139255  Eriogonum pusillum A. C. Sanders, Petra Wester 2004-6-11 28128 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR157471  Eriogonum pusillum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16812 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157873  Eriogonum pusillum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16871 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR233522  Eriogonum pusillum Jim Andre 2011-5-16 17156 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR28676  Eriogonum pusillum A. C. Sanders 1976-5-25 69 San Bernardino E San Bernardino Mtns, Burns Canyon, vicinity of Burns Spring 1600 Comment
  RSA0028116  Eriogonum reniforme Duncan S. Bell 2012-5-3 3581 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  CLARK-A1528-747  Eriogonum saxatile Charlotte Stocks 1966-5-15 San Bernardino Pioneertown Comment
  RSA0047428  Eriogonum saxatile Duncan S. Bell 2014-4-25 6628 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0050357  Eriogonum saxatile Duncan S. Bell 2010-5-21 1063 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA802006  Eriogonum saxatile Duncan S. Bell, Amanda Turek 2010-5-30 1154 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  UCR274206  Eriogonum saxatile Duncan S. Bell 2010-5-21 1063 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash 1305 Comment
  UCR274390  Eriogonum saxatile Duncan S. Bell 2014-4-25 6628 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  RSA0027529  Eriogonum trichopes Duncan S. Bell, Amanda Turek 2010-9-5 1929 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  UCR26752  Eriogonum viridescens George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  IRVC29338  Eriogonum wrightii Mark A. Elvin 2006-4-1 4685 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA782034  Eriogonum wrightii Duncan S. Bell, Amanda Bell 2011-10-8 2977 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR175755  Eriogonum wrightii Mark A. Elvin 2006-4-1 4685 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  POM68965  Eriogonum wrightii var. subscaposum E. C. Jaeger, D. D. Keck 1925-10-3 249 San Bernardino The Pipe's Wash near Morongo Valley 1220 Comment
  RSA0123337  Eriogonum wrightii var. subscaposum Duncan S. Bell 2016-4-18 9381 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 4 air miles west northwest of Pioneertown, or about 0.8 air mile north of Chaparrosa Peak. 1494 Comment
  UC279703  Eriogonum wrightii var. subscaposum Jaeger and Keck 1925-10-3 San Bernardino near Morongo Valley; The Pipes Comment
  RSA0047393  Eriogonum wrightii var. wrightii Duncan S. Bell 2014-10-14 7611 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  RSA0094419  Eriogonum wrightii var. wrightii Duncan S. Bell 2015-10-2 8711 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  UCR274235  Eriogonum wrightii var. wrightii Duncan S. Bell 2014-10-14 7611 San Bernardino Sawtooth Mountains, an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown 1247 Comment
  RSA0038721  Eriophyllum confertiflorum Duncan S. Bell 2014-4-25 6643 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA511568  Eriophyllum confertiflorum Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA802211  Eriophyllum confertiflorum Duncan S. Bell 2010-5-31 1204 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  SD126656  Eriophyllum confertiflorum Ed LaRue, Sharon Dougherty & Steve Myers 1989-4-17 San Bernardino 0.5 miles west of Bowden Flat, on a stream channel that runs through Burns Canyon. Comment
  UCR139581  Eriophyllum confertiflorum A. C. Sanders, Petra Wester 2004-6-11 28138 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  GMDRC5028  Eriophyllum confertiflorum var. confertiflorum J. Andre 2011-5-16 17165 San Bernardino Little San Bernardino Mountains: along Burns Cyn Rd, 11.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Burns Spring 1463 Comment
  UCR233513  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2011-5-16 17165 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  IRVC29343  Eriophyllum pringlei Mark A. Elvin 2006-4-1 4690 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29481  Eriophyllum pringlei Mark A. Elvin 2006-4-1 4712 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  OBI2130  Eriophyllum pringlei P. A. Holden 1970-4-20 1101 San Bernardino Pipes Cyn 8 mi N of Yucca Valley Comment
  RSA0025182  Eriophyllum pringlei Duncan S. Bell 2011-4-23 2303 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA489137  Eriophyllum pringlei Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  UCR175541  Eriophyllum pringlei Mark A. Elvin 2006-4-1 4690 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR267813  Eriophyllum pringlei Jim Andre 2014-5-8 29450 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  UCR86699  Eriophyllum pringlei A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16833 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  IRVC29297  Eriophyllum wallacei Mark A. Elvin 2006-4-1 4718 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  IRVC29344  Eriophyllum wallacei Mark A. Elvin 2006-4-1 4691 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA479830  Eriophyllum wallacei Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA802105  Eriophyllum wallacei Duncan S. Bell 2010-5-31 1181 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  IRVC29313  Erodium cicutarium Mark A. Elvin 2006-4-1 4660 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0022313  Erodium cicutarium Duncan S. Bell 2011-4-23 2318 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA802109  Erodium cicutarium Duncan S. Bell 2010-5-31 1184 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR175752  Erodium cicutarium Mark A. Elvin 2006-4-1 4660 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  CAS-BOT-BC151594  Erythranthe parishii G. Helmkamp 1993-9-22 34 -12 San Bernardino 6.7 mi up Burns Cyn from the junction of Pioneer Town and Pipes Cyn Rds. 1524 Comment
  RSA0022957  Eschscholzia androuxii Duncan S. Bell 2010-5-31 1185 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0120225  Eschscholzia androuxii Duncan S. Bell 2016-3-13 8921 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA0124387  Eschscholzia androuxii Duncan S. Bell 2016-4-17 9341 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0055802  Eschscholzia glyptosperma Duncan S. Bell 2014-4-5 6565 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  CAS-BOT-BC83143  Eschscholzia minutiflora S. B. Parish 1894-6-16 3138 San Bernardino Eastern slope of San Bernardino Mountain. Byrne's Spring. Comment
  RSA0124802  Eschscholzia minutiflora Duncan S. Bell, LeRoy Gross 2016-5-12 9566 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA511332  Eschscholzia minutiflora Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  RSA652810  Eschscholzia minutiflora Colleen Callan 1992-5-2 18 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  SEINET8481386 Image available Eschscholzia minutiflora Jim Andre 2011-5-16 17170 San Bernardino Little San Bernardino Mountains; along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR233508  Eschscholzia minutiflora Jim Andre 2011-5-16 17170 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR86565  Eschscholzia minutiflora A. C. Sanders, G. K. Helmkamp 1995-4-30 16868 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA511333  Eschscholzia minutiflora subsp. minutiflora Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  RSA0022318  Eschscholzia parishii Duncan S. Bell 2011-4-23 2323 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028113  Eschscholzia parishii Duncan S. Bell 2012-5-3 3578 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0050358  Eschscholzia parishii Duncan S. Bell 2010-5-21 1064 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  UCR269172  Eschscholzia parishii Duncan S. Bell 2012-5-3 3578 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown 1575 Comment
  RSA0120865  Eucrypta chrysanthemifolia Duncan S. Bell 2016-4-17 9347 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0125374  Eucrypta chrysanthemifolia Duncan S. Bell, LeRoy Gross 2016-5-12 9582 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0038724  Eucrypta chrysanthemifolia var. bipinnatifida Duncan S. Bell 2014-4-25 6640 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0104432  Eucrypta micrantha Duncan S. Bell 2015-3-14 7858 A San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  UCR272049  Eucrypta micrantha Duncan S. Bell 2015-3-14 7858 A San Bernardino Western Mojave Desert, southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains 1338 Comment
  UCR274388  Eucrypta micrantha Duncan S. Bell 2014-4-25 6640 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR133224  Euphorbia albomarginata George K. Helmkamp 1993-9-12 22- 04 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  UCR260180  Euphorbia albomarginata Duncan S. Bell 2013-8-22 5669 San Bernardino Mojave Desert, west side of Black Hill, c. 1.5 air mi northwesty of Pioneertown 1359 Comment
  CDA23159  Euthamia occidentalis Mark A. Elvin 2006-9-23 5227 San Bernardino Southern Mojave Desert, Little San Bernardino Mountains; Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Comment
  UCR128887  Festuca microstachys A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12285 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157469  Filago arizonica A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16832 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA0022316  Filago californica Duncan S. Bell 2011-4-23 2321 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0055808  Forestiera pubescens Duncan S. Bell 2014-4-5 s.n. San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  CAS-BOT-BC384212  Forestiera pubescens subsp. parvifolia S. B. Parish 1894-6-16 3458 San Bernardino Byrne's [Burns] Spring. San Bernardino Mountains, and their eastern base 1371 Comment
  RSA0047392  Fraxinus velutina Duncan S. Bell 2014-10-14 7610 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  RSA802115  Fraxinus velutina Duncan S. Bell 2010-5-31 1172 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  SD247677  Fraxinus velutina Duncan S. Bell 2014-10-14 7610 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1246 Comment
  UCR274236  Fraxinus velutina Duncan S. Bell 2014-10-14 7610 San Bernardino Sawtooth Mountains, an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown 1247 Comment
  RSA0034102  Fremontodendron californicum Naomi S. Fraga, Duncan S. Bell, Jessica Chu, Evan Meyer 2013-3-28 4233 San Bernardino Burns Canyon Road near the community of Rimrock. 1340 Comment
  UCR163145  Galium A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16892 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0021873  Galium angustifolium Duncan S. Bell 2013-8-22 5671 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0031462  Galium angustifolium Duncan S. Bell 2011-4-23 2335 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0040165  Galium angustifolium Duncan S. Bell 2014-4-25 6606 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR274392  Galium angustifolium Duncan S. Bell 2014-4-25 6606 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR79310  Galium angustifolium George K. Helmkamp 1993-9-12 22- 07 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0027531  Galium angustifolium subsp. angustifolium Duncan S. Bell, Amanda Turek 2010-9-5 1931 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0050361  Galium angustifolium subsp. angustifolium Duncan S. Bell 2010-5-21 1067 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1305 Comment
  RSA509882  Galium angustifolium subsp. angustifolium Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA799366  Galium angustifolium subsp. angustifolium Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4741 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  GMDRC5032  Galium angustifolium subsp. gracillimum J. Andre 2011-5-16 17182 San Bernardino Little San Bernardino Mountains: just north of Pioneertown along Pioneertown Rd (north side) 6.1 mi. NNW of Hwy 62 (at Yucca Valley) 1239 Comment
  RSA0025108  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-3-17 3160 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0028337  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-5-3 3587 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA780965  Galium angustifolium subsp. gracillimum Jim Andre 2011-5-16 17182 San Bernardino Little San Bernardino Mountain, just north of Pioneertown along Pioneertown Road (north side) 6.1 miles NNW of Hwy. 62 (at Yucca Valley) 1239 Comment
  RSA782029  Galium angustifolium subsp. gracillimum Duncan S. Bell, Amanda Bell 2011-10-8 2972 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA787661  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-5-8 3631 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  RSA787704  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-5-8 3621 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneetown. 1270 Comment
  RSA802003  Galium angustifolium subsp. gracillimum Duncan S. Bell, Amanda Turek 2010-5-30 1151 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  RSA802112  Galium angustifolium subsp. gracillimum Duncan S. Bell 2010-5-31 1169 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  SEINET7863374  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-5-8 3631 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1237 Comment
  UCR233496  Galium angustifolium subsp. gracillimum Jim Andre 2011-5-16 17182 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR233964  Galium angustifolium subsp. gracillimum Duncan S. Bell, Amanda Bell 2011-10-8 2972 San Bernardino Southcentral Mojave Desert, Sawtooth Mountains; c. 1.3 air miles SW of where Pioneertown Rd. crosses Chaparrosa Wash, c. 0.4 air mi. NW of Chaparrosa Spring 1281 Comment
  UCR269174  Galium angustifolium subsp. gracillimum Duncan S. Bell 2012-5-3 3587 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown 1575 Comment
  SEINET1909524  Galium hilendiae A. C. Sanders, Petra Wester 2004-1 28141 San Bernardino San Bernardino Mtns: Burns Canyon, upper canyon in vicinity of Burns Spring Comment
  UCR139584  Galium hilendiae A. C. Sanders, Petra Wester 2004-6-11 28141 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  JEPS14975  Galium hilendiae subsp. hilendiae S. B. Parish 1894-6-16 3317 San Bernardino <Byrnes Spring?> San Bernardino Mountains and their eastern base (San Bernardino Mountains and their eastern base) 1219 Comment
  RSA0125203  Galium hilendiae subsp. hilendiae Duncan S. Bell, LeRoy Gross 2016-5-12 9570 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA567421  Galium johnstonii George K. Helmkamp 1993-9-12 22 -7 San Bernardino Burns Canyon, in vicinity of Burns Spring 1524 Comment
  CLARK-A1528-3954  Galium parishii John C. Roos 1946-10-5 3120 San Bernardino Pipes Canyon Comment
  UC102541  Galium parishii S. B. Parish 1894-6-16 3316 San Bernardino Byrne's Spring 1371 Comment
  SEINET182494  Gentianella amarella I. W. Clokey 1936-9-13 7000 San Bernardino South of Bear Lake. 671 Comment
  IRVC29346  Gilia Mark A. Elvin 2006-4-1 4693 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0053711  Gilia Duncan S. Bell 2010-5-21 1070 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  UCR128889  Gilia A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12275 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR139260  Gilia A. C. Sanders, Petra Wester 2004-6-11 28135 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR157460  Gilia A. C. Sanders, Harry Spilman & CNPS field trip 1993-4-24 13782 San Bernardino Eastern San Bernardino Mountains, Lower Pipes Canyon where Pipes Canyon Road first crosses the wash, c. 1 mile above Pioneertown Road 1400 Comment
  UCR157470  Gilia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16803 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157475  Gilia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16822 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157590  Gilia A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16817 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157591  Gilia A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16810 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157862  Gilia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16834 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR175761  Gilia Mark A. Elvin 2006-4-1 4693 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA652807  Gilia aliquanta Colleen Callan 1992-4-25 3 San Bernardino Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  RSA801844  Gilia angelensis Duncan S. Bell 2010-5-31 1209 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  SD249252  Gilia brecciarum Duncan S. Bell 2014-4-25 6656 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1360 Comment
  RSA0031565  Gilia brecciarum subsp. brecciarum Duncan S. Bell 2011-4-23 2346 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0042894  Gilia brecciarum subsp. brecciarum Duncan S. Bell 2014-4-5 6554 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0046566  Gilia brecciarum subsp. brecciarum Duncan S. Bell 2014-4-25 6656 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UC2045039  Gilia brecciarum subsp. brecciarum Duncan S. Bell 2014-4-25 6656 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. Comment
  UCR274431  Gilia brecciarum subsp. brecciarum Duncan S. Bell 2014-4-25 6656 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  RSA0123994  Gilia cana subsp. bernardina Duncan S. Bell, LeRoy Gross 2016-5-12 9550 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  RSA0024953  Gilia clokeyi Duncan S. Bell 2011-4-23 2298 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028120  Gilia clokeyi Duncan S. Bell 2012-5-3 3571 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0042890  Gilia clokeyi Duncan S. Bell 2014-4-5 6550 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA799342  Gilia clokeyi Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4733 San Bernardino Sawtooth Mountains; Chaparrosa Wash; approximately 1 air mile southwest of Pioneertown and about 0.4 air mile north of Chaparrosa Spring. 1266 Comment
  SEINET8665844 Image available Gilia clokeyi Duncan S. Bell 2014-4-5 6550 San Bernardino Pioneertown, Pioneertown Mountains Preserve; Sawtooth Mountains, about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1335 Comment
  RSA801845  Gilia minor Duncan S. Bell 2010-5-31 1210 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0011406  Gilia modocensis Duncan S. Bell, Amanda Turek 2010-5-30 1138 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0025642  Gilia modocensis Duncan S. Bell 2011-4-23 2307 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028108  Gilia modocensis Duncan S. Bell 2012-5-3 3573 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0053759  Gilia modocensis Duncan S. Bell 2010-5-21 1090 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0123981  Gilia modocensis Duncan S. Bell, LeRoy Gross 2016-5-12 9564 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA799343  Gilia modocensis Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4734 San Bernardino Sawtooth Mountains; Chaparrosa Wash; approximately 1 air mile southwest of Pioneertown and about 0.4 air mile north of Chaparrosa Spring. 1266 Comment
  RSA802106  Gilia ochroleuca subsp. exilis Duncan S. Bell 2010-5-31 1182 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0050371  Gilia ochroleuca subsp. ochroleuca Duncan S. Bell 2010-5-21 1057 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  RSA802199  Gilia scopulorum Duncan S. Bell 2010-5-31 1206 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0014922  Gilia sinuata Duncan S. Bell 2013-4-14 4791 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0068165  Gilia sinuata J. M. Andre 2014-5-8 29447 San Bernardino Near intersection of Pioneertown Rd and Pipes Cyn Rd, 3.4 mi. north of Pioneertown. 1306 Comment
  RSA652806  Gilia sinuata Colleen Callan 1992-4-25 2 San Bernardino Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
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Jun 21 2012
  SEINET8071644 Image available Gilia sinuata Jim Andre 2011-5-16 17158 San Bernardino Mojave Desert; along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR233520  Gilia sinuata Jim Andre 2011-5-16 17158 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR267359  Gilia sinuata Jim Andre 2014-5-8 29447 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  UCR128591  Gilia splendens A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12280 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  RSA0046570  Gilia stellata Duncan S. Bell 2014-4-25 6652 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0055845  Gilia stellata Duncan S. Bell 2014-4-5 6563 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA0104095  Gilia stellata Duncan S. Bell 2015-3-14 7849 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0124011  Gilia stellata Duncan S. Bell 2016-6-16 9766 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  SD255243  Gilia stellata Duncan S. Bell 2015-3-14 7849 San Bernardino Transverse Ranges; San Bernardino Mountains region: The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  UCR157877  Gilia stellata A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16889 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR272048  Gilia stellata Duncan S. Bell 2015-3-14 7849 San Bernardino Western Mojave Desert, southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains 1338 Comment
  IRVC29740  Gnaphalium luteo-album Mark A. Elvin 2006-10-23 5216 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  CDA23147  Gnaphalium luteoalbum Mark A. Elvin 2006-10-23 5216 San Bernardino Southern Mojave Desert; Little San Bernardino Mountains: Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Comment
  RSA0053749  Gnaphalium palustre Duncan S. Bell 2010-5-21 1088 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA511340  Gnaphalium thermale Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA0038704  Guillenia lasiophylla Duncan S. Bell 2014-4-25 6620 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA799369  Guillenia lasiophylla Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4745 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  POM68960  Gutierrezia microcephala E. C. Jaeger, D. D. Keck 1925-10-3 248 San Bernardino The Pipes Wash near Morongo Valley. 1159 Comment
  RSA0026024  Gutierrezia microcephala Duncan S. Bell 2012-9-8 4143 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0027532  Gutierrezia microcephala Duncan S. Bell, Amanda Turek 2010-9-5 1932 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA782027  Gutierrezia microcephala Duncan S. Bell, Amanda Bell 2011-10-8 2970 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  SEINET270121  Gutierrezia microcephala G. Helmkamp 1993-9-12 23 -20 San Bernardino Dry slope along the edge of Burns Canyon 1372 Comment
  UCR79302  Gutierrezia microcephala George K. Helmkamp 1993-9-12 23- 20 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  RSA0060791  Gutierrezia sarothrae Duncan S. Bell 2014-10-14 7619 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA0025103  Heterotheca grandiflora Duncan S. Bell 2012-3-17 3165 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0021562  Hirschfeldia incana Duncan S. Bell 2010-11-26 2008 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0041527  Hirschfeldia incana Duncan S. Bell 2014-4-25 6662 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0038720  Hymenoclea salsola Duncan S. Bell 2014-4-25 6644 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA801862  Hymenoclea salsola Duncan S. Bell 2010-5-31 1227 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0021302  Isocoma acradenia var. eremophila Duncan S. Bell 2013-4-14 4798 San Bernardino Sawtooth Mountains; Water Canyon, approximately 0.8 air mile southwest of Chaparrosa Spring. 1293 Comment
  CLARK-A1528-377  Isomeris arborea var. arborea Arthur Douglas 1969-5-3 10 San Bernardino Pioneertown 1188 Comment
  IRVC29748  Juncus Mark A. Elvin 2006-10-23 5219 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  CAS-BOT-BC344979  Juncus arcticus var. balticus Duncan S. Bell; Amanda Turek 2010-9-5 1938 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyona and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles W of Pioneertown 1532 Comment
  LA211886  Juncus balticus Duncan Bell; Amanda Turek 2010-9-5 1938 San Diego Unnamed drainage between Sorrel Horse Canyon and Pipes Canon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532.0 Comment
  RSA0027538  Juncus balticus Duncan S. Bell, Amanda Turek 2010-9-5 1938 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0053752  Juncus bufonius Duncan S. Bell 2010-5-21 1085 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  CAS-BOT-BC344980  Juncus macrophyllus Duncan S. Bell; Amanda Turek 2010-9-5 1939 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyona and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles W of Pioneertown 1532 Comment
  RSA0027520  Juncus macrophyllus Duncan S. Bell, Amanda Turek 2010-9-5 1939 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0028340  Juncus macrophyllus Duncan S. Bell 2012-3-17 3156 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0124801  Juncus macrophyllus Duncan S. Bell, LeRoy Gross 2016-5-12 9568 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  UCR162563  Juncus macrophyllus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15826 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  UCR269188  Juncus macrophyllus Duncan S. Bell, Amanda Turek 2010-9-5 1939 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown 1532 Comment
  IRVC29772  Juncus mexicanus Mark A. Elvin 2006-10-24 5230 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA0094424  Juncus mexicanus Duncan S. Bell 2015-10-2 8706 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  RSA567419  Juncus mexicanus George K. Helmkamp 1993-9-12 22 -13 San Bernardino Pinon-oak woodland in Burns Canyon, in the vicinity of Burns Spring. 1524 Comment
  RSA0103110  Juncus saximontanus Duncan S. Bell 2015-5-23 8325 San Bernardino Collecting on the Pioneertown Mountains Preserve, in Pipes Canyon, approximately 1.75 air miles west southwest from the Preserve headquarters. 1452 Comment
  RSA0124014  Juncus saximontanus Duncan S. Bell 2016-6-16 9763 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  UCR272167  Juncus saximontanus Duncan S. Bell 2015-5-23 8325 San Bernardino San Bernardino Mountains, Pioneer Mountains Preserve, Pipes Canyon, c. 1.75 air miles west-southwest from the Preserve headquarters 1452 Comment
  IRVC29737  Juncus xiphioides Mark A. Elvin 2006-10-23 5213 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  UCR177388  Juncus xiphioides A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15825 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  IRVC29342  Juniperus californica Mark A. Elvin 2006-4-1 4689 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0028226  Juniperus californica Duncan S. Bell, Amanda Turek 2010-9-4 1926 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  UCR1740  Juniperus californica Frank C. Vasek 1961-9-23 610923- 06 San Bernardino San Bernardino Mtns., Chicken Flat, 0.3 mi from junction of Pipes Canyon Road & 5.5 mi west of Old Woman Springs 1341 Comment
  UCR175768  Juniperus californica Mark A. Elvin 2006-4-1 4689 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR86575  Juniperus californica A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16874 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0034098  Juniperus grandis Naomi Fraga, Duncan S. Bell, Jessica Chu, Evan Meyer 2013-3-28 4231 San Bernardino Burns Canyon Road near the community of Rimrock. 1340 Comment
  VVC1268  Juniperus occidentalis A. C. Sanders 1995-4-30 16874 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0038723  Keckiella antirrhinoides Duncan S. Bell 2014-4-25 6641 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCSB31559  Keckiella antirrhinoides Straw, Richard 1959-5-10 San Bernardino Pipes Canyon; 1 mi. W. of Pioneertown road 1371 Comment
  RSA0027524  Lactuca serriola Duncan S. Bell, Amanda Turek 2010-9-5 1943 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  UCR139583  Langloisia matthewsii A. C. Sanders, Petra Wester 2004-6-11 28149 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR26756  Langloisia matthewsii George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  RSA0041525  Larrea tridentata Duncan S. Bell 2014-4-25 6660 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0025640  Lasthenia californica Duncan S. Bell 2011-4-23 2305 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0120228  Lasthenia californica Duncan S. Bell 2016-3-13 8918 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  IRVC29322  Lasthenia gracilis Mark A. Elvin 2006-4-1 4669 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR175764  Lasthenia gracilis Mark A. Elvin 2006-4-1 4669 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  CLARK-A1656-748  Layia glandulosa Lois Ann Scott 1976-4-28 San Bernardino Yucca Valley Comment
  IRVC29325  Layia glandulosa Mark A. Elvin 2006-4-1 4672 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0022322  Layia glandulosa Duncan S. Bell 2011-4-23 2327 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028110  Layia glandulosa Duncan S. Bell 2012-5-3 3575 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0047391  Layia glandulosa Duncan S. Bell 2010-5-21 1040 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0062556  Layia glandulosa Duncan S. Bell 2013-12-28 6094 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  RSA512146  Layia glandulosa Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA657628  Layia glandulosa Colleen Callan 1992-5-2 32 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR175744  Layia glandulosa Mark A. Elvin 2006-4-1 4672 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  OBI2125  Lepidium fremontii P. A. Holden 1970-4-10 1092 San Bernardino Pipes Cyn, 8 mi N of Yucca Valley Comment
  RSA0038703  Lepidium fremontii Duncan S. Bell 2014-4-25 6616 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA512141  Lepidium fremontii Ed LaRue, Steve Myers, S. Dougherty 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA0026020  Lepidium lasiocarpum Duncan S. Bell 2012-9-8 4136 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA479822  Lepidium lasiocarpum Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA802016  Lepidium lasiocarpum Duncan S. Bell 2010-5-31 1164 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  RSA0025250  Lepidospartum squamatum Duncan S. Bell 2012-9-8 4129 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  UCR79286  Lepidospartum squamatum George K. Helmkamp 1993-9-12 23- 18 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  RSA479826  Leptosiphon aureus Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR233525  Leptosiphon aureus subsp. aureus Jim Andre 2011-5-16 17153 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR267814  Leptosiphon aureus subsp. aureus Jim Andre 2014-5-8 29451 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  UCR267788  Leptosiphon breviculus Jim Andre 2014-5-8 29448 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  RSA0123989  Leptosyne bigelovii Duncan S. Bell, LeRoy Gross 2016-5-12 9555 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  RSA708987  Leymus triticoides A. C. Sanders, C. L. Sanders, P. J. MacKay, Scott D. White 1994-9-18 15692 San Bernardino San Bernardino Mountains: Seven Oaks, along Santa Ana River at the confluence with Hamilton Creek., (116 deg 55'W, 34 deg 11.25'N) 1590 Comment
  CLARK-A1528-4215  Limosella aquatica John C. Roos 1946-10-5 3107 San Bernardino San Bernardino Mountains 1356 Comment
  UCR24468  Limosella aquatica John C. Roos 1946-10-5 3107 San Bernardino San Bernardino Mtns./Mojave Desert, The Pipes, desert slope on E side of San Bernardino Mtns north of Yucca Valley 1357 Comment
  IRVC29347  Linanthus aureus Mark A. Elvin 2006-4-1 4694 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0050098  Linanthus aureus Duncan S. Bell 2010-5-21 1033 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA652821  Linanthus aureus Colleen Callan 1992-4-25 5 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR175547  Linanthus aureus Mark A. Elvin 2006-4-1 4694 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR86686  Linanthus aureus A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16835 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC383  Linanthus aureus A. C. Sanders 1995-4-30 16835 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  RSA0014923  Linanthus bernardinus Duncan S. Bell 2013-4-14 4792 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0021716  Linanthus bernardinus Duncan S. Bell 2013-4-15 4802 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon about a half mile west northwest of Chaparrosa Peak. 1559 Comment
  RSA0024954  Linanthus bernardinus Duncan S. Bell 2011-4-23 2295 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0050553  Linanthus bernardinus Duncan S. Bell 2010-5-21 1068 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA0050555  Linanthus bernardinus Duncan S. Bell 2011-4-23 2294 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 0.25 air mile south of Chaparrosa Spring and approximately 1.6 air miles southwest of Pioneertown. 1327 Comment
  RSA0050556  Linanthus bernardinus Duncan S. Bell 2011-4-23 2352 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.7 air miles southeast of Chaparrosa Spring and approx. 1.7 air miles southwest of Pioneertown. 1227 Comment
  RSA0060653  Linanthus bernardinus Duncan S. Bell 2011-4-23 2355 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.5 air mile south of Chaparrosa Spring and approx. 1.9 air miles southwest of Pioneertown. 1248 Comment
  RSA0060654  Linanthus bernardinus Duncan S. Bell 2011-4-23 2360 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; between Chaparrosa Wash and Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1258 Comment
  RSA0060656  Linanthus bernardinus Duncan S. Bell, Amanda Bell 2011-4-24 2368 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; between Chaparrosa Wash and Sorrel Horse Canyon, about 2 air miles west of Pioneertown. 1303 Comment
  RSA0060657  Linanthus bernardinus Duncan S. Bell, Amanda Bell 2011-4-24 2369 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; south of Sorrel Horse Canyon, approximately 1.4 air miles northeast of Chaparrosa Peak. 1343 Comment
  RSA0068166  Linanthus bernardinus J. M. Andre 2014-5-8 29448 San Bernardino Near intersection of Pioneertown Rd and Pipes Cyn Rd, 3.4 mi. north of Pioneertown. 1306 Comment
  RSA802103  Linanthus bernardinus Duncan S. Bell 2010-5-31 1180 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR175545  Linanthus bigelovii Mark A. Elvin 2006-4-1 4680 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR234722  Linanthus bigelovii Jim Andre 2011-5-16 17186 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR86667  Linanthus bigelovii A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16827 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA0021717  Linanthus breviculus Duncan S. Bell 2013-4-15 4803 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0028118  Linanthus breviculus Duncan S. Bell 2012-5-3 3569 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  UC84083  Linanthus breviculus S. B. Parish 1894-6-16 3325 San Bernardino By<??>is Spring, e base of San Bernardino Mts. San Bernardino Mts. 1219 Comment
  IRVC29333  Linanthus orcuttii Mark A. Elvin 2006-4-1 4680 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0125210  Linanthus pungens Duncan S. Bell, LeRoy Gross 2016-5-12 9581 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0025181  Loeseliastrum matthewsii Duncan S. Bell 2011-4-23 2302 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0027528  Loeseliastrum matthewsii Duncan S. Bell, Amanda Turek 2010-9-5 1947 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0028117  Loeseliastrum matthewsii Duncan S. Bell 2012-5-3 3582 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0047431  Loeseliastrum matthewsii Duncan S. Bell 2014-4-25 6625 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA509879  Loeseliastrum matthewsii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA799326  Loeseliastrum matthewsii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4744 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  RSA801853  Loeseliastrum matthewsii Duncan S. Bell 2010-5-31 1218 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR233533  Loeseliastrum matthewsii Jim Andre 2011-5-16 17145 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UC2047229  Logfia arizonica A. C. Sanders with G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16832 San Bernardino San Bernardino Mtns.: Rimrock, 4.1 N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon. Rimrock 7.5' Quad. Comment
  RSA0042892  Logfia depressa Duncan S. Bell 2014-4-5 6552 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  UCR86563  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-4-30 16877 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR86700  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-4-30 16831 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  CLARK-A1656-814  Lomatium mohavense Theo Glenn 1982-5-18 San Bernardino Pioneertown Comment
  GMDRC5024  Lomatium mohavense J. Andre 2011-5-16 17157 San Bernardino along Pioneertown Rd, 7.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hil 1301 Comment
  RSA0028334  Lomatium mohavense Duncan S. Bell 2012-5-3 3584 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0038656  Lomatium mohavense Duncan S. Bell 2010-5-21 1045 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  UCR128884  Lomatium mohavense A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12273 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR233521  Lomatium mohavense Jim Andre 2011-5-16 17157 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR28686  Lomatium mohavense A. C. Sanders 1976-5-25 068 San Bernardino E San Bernardino Mtns, Burns Canyon, vicinity of Burns Spring 1600 Comment
  UCR75501  Lomatium mohavense A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13783 San Bernardino San Bernardino Mtns., east end of mtns., Pioneertown Rd at Short Rd, 3.3 mi. NW of Pioneertown between Sorrel Horse Canyon and Pipes Wash 1300 Comment
  UCR86558  Lomatium mohavense A. C. Sanders, G. Helmkamp & L. Helmkamp 1995-4-30 16886 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR86675  Lomatium mohavense A. C. Sanders, G. Helmkamp & L. Helmkamp 1995-4-30 16808 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA802198  Lotus argophyllus Duncan S. Bell 2010-5-31 1198 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA567420  Lotus heermannii George K. Helmkamp 1993-9-12 22 -9 San Bernardino Pinon-oak woodland in Burns Canyon, in the vicinity of Burns Spring. 1524 Comment
  RSA802011  Lotus heermannii Duncan S. Bell, Amanda Turek 2010-5-30 1158 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  UCR79305  Lotus heermannii George K. Helmkamp 1993-9-12 22- 09 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0062580  Lotus humistratus Duncan S. Bell 2014-4-25 6603 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA709100  Lotus humistratus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16867 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  RSA802010  Lotus humistratus Duncan S. Bell, Amanda Turek 2010-5-30 1159 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  UCR157875  Lotus humistratus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16867 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR233503  Lotus humistratus Jim Andre 2011-5-16 17175 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0025252  Lotus nevadensis Duncan S. Bell 2012-9-8 4132 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA511571  Lotus nevadensis Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  UCR139585  Lotus procumbens A. C. Sanders, Petra Wester 2004-6-11 28142 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0060794  Lotus purshianus Duncan S. Bell 2014-10-14 7614 San Bernardino Sawtooth Mountains; an unnamed drainage between Sorrel Horse Canyon and Chaparrosa Wash, to the west of Pioneertown. 1247 Comment
  RSA643459  Lotus rigidus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16865 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  UCR86568  Lotus rigidus A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16865 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC208  Lotus rigidus A. C. Sanders, G. Helmkamp 1995-4-30 16865 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  GMDRC5025  Lotus scoparius J. Andre 2011-5-16 17159 San Bernardino along Pioneertown Rd, 7.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hil 1301 Comment
  RSA0021303  Lotus scoparius Duncan S. Bell 2013-4-14 4801 San Bernardino Sawtooth Mountains; Water Canyon, approximately 0.8 air mile southwest of Chaparrosa Spring. 1293 Comment
  RSA0046574  Lotus scoparius Duncan S. Bell 2014-4-25 6648 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA802209  Lotus scoparius Duncan S. Bell 2010-5-31 1199 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR233519  Lotus scoparius subsp. brevialatus Jim Andre 2011-5-16 17159 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0025148  Lotus strigosus Duncan S. Bell 2011-4-23 2331 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA509872  Lotus strigosus Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA801849  Lotus strigosus Duncan S. Bell 2010-5-31 1214 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR269166  Lotus strigosus Duncan S. Bell 2011-4-23 2331 San Bernardino San Bernardino Mtns/Mojave Desert, Sawtooth Mountains; in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring 1338 Comment
  UCR86581  Lotus strigosus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16882 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC213  Lotus strigosus A. C. Sanders, G.&L. Helmkamp 1995-4-30 16882 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA759655  Lupinus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16815 San Bernardino San Bernardino Mountains: Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1341 Comment
  UCR157473  Lupinus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16815 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  OBI37513  Lupinus andersonii A. C. Sanders 1976-5-25 71 San Bernardino E end of the San Bernardino Mts near PioneerTown. T1N R4E NE1/4 of SW1/4 sec 13 Comment
  UCR122933  Lupinus andersonii George K. Helmkamp, E. A. Helmkamp 2001-4-21 6470 San Bernardino East foothills San Bernardino Mtns, Pipes Cyn Rd 0.4 mi west of Pioneertown Rd (N of Yucca Valley). 1250 Comment
  UCR26762  Lupinus andersonii George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  UCR28665  Lupinus andersonii A. C. Sanders 1976-5-25 0071 San Bernardino Eastern San Bernardino Mtns, Near Pioneertown Comment
  IRVC29351  Lupinus bicolor Mark A. Elvin 2006-4-1 4698 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0027851  Lupinus bicolor Duncan S. Bell 2011-4-23 2348 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  SD220060  Lupinus bicolor Mark A. Elvin 2006-4-1 4698 San Bernardino Little San Bernardino Mountains: Pipes Canyon Preserve; south of Pioneertown Road, just over ridge on Chaparrosa Wash. 1235 Comment
  IRVC29335  Lupinus concinnus Mark A. Elvin 2006-4-1 4682 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0022320  Lupinus concinnus Duncan S. Bell 2011-4-23 2325 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA801856  Lupinus concinnus Duncan S. Bell 2010-5-31 1221 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UC1080255  Lupinus concinnus P. C. Everett and E. K. Balls 1958-5-4 23095 San Bernardino on road to Pioneer Town 5.6 mi nw Yucca Valley; nw from Yucca Valley 1249 Comment
  UCD107514  Lupinus concinnus P. C. Everett; E. K. Balls 1958-5-4 23095 San Bernardino 5.6 mi. nw. from ucca Valley on road to Pioneer Town. 1249 Comment
  UCR175619  Lupinus concinnus Mark A. Elvin 2006-4-1 4682 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR3000  Lupinus concinnus Wm. Horn Jr. 1963-3-30 630330- 01 San Bernardino San Bernardino Mtns/ Mojave Desert, 1 mi south of Pipes Canyon Rd., 5 miles north of Pioneertown 1341 Comment
  UCR233509  Lupinus concinnus subsp. concinnus Jim Andre 2011-5-16 17169 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  RSA124217  Lupinus concinnus subsp. orcuttii Percy C. Everett, E. K. Balls 1958-5-4 23095 San Bernardino 5.6 miles NW from Yucca Valley on road to Pioneer Town. 1250 Comment
  RSA509873  Lupinus concinnus subsp. orcuttii Jeri Hirshberg 1988-5-5 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR175759  Lupinus concinnus var. agardhianus Mark A. Elvin 2006-4-1 4698 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; south of Pioneertown Rd. and just over a ridge on Chaparrosa Wash 1235 Comment
  RSA802114  Lupinus excubitus Duncan S. Bell 2010-5-31 1171 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR28666  Lupinus excubitus A. C. Sanders 1976-5-25 00070 San Bernardino Eastern San Bernardino Mtns, Burns Canyon 1537 Comment
  GMDRC5029  Lupinus excubitus var. excubitus J. Andre 2011-5-16 17172 San Bernardino Little San Bernardino Mountains: along Burns Cyn Rd, 11.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Burns Spring 1463 Comment
  RSA0036592  Lupinus excubitus var. excubitus J. M. Andre 2014-5-8 29449 San Bernardino Near intersection of Pioneertown Rd and Pipes Cyn Rd, 3.4 mi. north of Pioneertown. 1306 Comment
  SD248768  Lupinus excubitus var. excubitus J. M. Andre 2014-5-8 29449 San Bernardino Near intersecton of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown. 1306 Comment
  UCR233506  Lupinus excubitus var. excubitus Jim Andre 2011-5-16 17172 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR267812  Lupinus excubitus var. excubitus Jim Andre 2014-5-8 29449 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  RSA0124297  Lupinus formosus Duncan S. Bell 2016-4-17 9344 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0011402  Lupinus microcarpus Duncan S. Bell, Amanda Turek 2010-5-30 1142 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA645418  Lupinus microcarpus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16885 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  UCR86582  Lupinus microcarpus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16885 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC225  Lupinus microcarpus A. C. Sanders, G. Helmkamp 1995-4-30 16885 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  GMDRC5031  Lupinus microcarpus var. microcarpus J. Andre 2011-5-16 17176 San Bernardino Little San Bernardino Mountains: just north of Pioneertown along Pioneertown Rd (north side) 6.1 mi. NNW of Hwy 62 (at Yucca Valley) 1239 Comment
  RSA0123342  Lupinus microcarpus var. microcarpus Duncan S. Bell 2016-4-18 9386 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  UCR233502  Lupinus microcarpus var. microcarpus Jim Andre 2011-5-16 17176 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0022319  Lupinus sparsiflorus Duncan S. Bell 2011-4-23 2324 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0046568  Lupinus sparsiflorus Duncan S. Bell 2014-4-25 6654 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0104092  Lupinus sparsiflorus Duncan S. Bell 2015-3-14 7853 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0124294  Lupinus sparsiflorus Duncan S. Bell 2016-4-17 9340 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA801855  Lupinus sparsiflorus Duncan S. Bell 2010-5-31 1220 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  HSC25240  Lycium andersonii R. W. Spjut 1972-3-3 2240 San Bernardino Mojave Desert, E slopes of San Bernardino Mts. 15 mi. N Yucca Valley on road from Pioneer Town to Bear Lake 1524 Comment
  CAS-BOT-BC231624  Lycium cooperi A. C. Sanders; Petra Wester 2004-6-11 28131 San Bernardino San Bernardino Mtns.: Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0120872  Lycium cooperi Duncan S. Bell 2016-4-17 9359 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA787662  Lycium cooperi Duncan S. Bell 2012-5-8 3632 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  UCR139252  Lycium cooperi A. C. Sanders, Petra Wester 2004-6-11 28131 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0011401  Malacothrix glabrata Duncan S. Bell, Amanda Turek 2010-5-30 1143 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA511341  Malacothrix glabrata Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  UCR233510  Malacothrix glabrata Jim Andre 2011-5-16 17168 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  RSA709416  Marah macrocarpa A. C. Sanders, O. F. Clarke 1992-5-9 12289 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1433 Comment
  RSA802102  Marah macrocarpa Duncan S. Bell 2010-5-31 1178 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR129511  Marah macrocarpa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12289 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  RSA801860  Marrubium vulgare Duncan S. Bell 2010-5-31 1225 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0053753  Matricaria discoidea Duncan S. Bell 2010-5-21 1086 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA489139  Melica frutescens Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA0011385  Melica imperfecta Duncan S. Bell 2010-5-31 1200 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0014921  Melica imperfecta Duncan S. Bell 2013-4-14 4790 San Bernardino Sawtooth Mountains; Water canyon, approximately 1.1 air miles southwest of Chaparrosa Spring. 1303 Comment
  RSA0055843  Melica imperfecta Duncan S. Bell 2014-4-5 6558 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA489141  Melica imperfecta Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA512148  Melica imperfecta Ed LaRue, S. Dougherty, S. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA802004  Melica imperfecta Duncan S. Bell, Amanda Turek 2010-5-30 1152 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  UCR260186  Melica imperfecta Duncan S. Bell 2010-5-31 1200 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; c. 1.25 air mile southwest of Pioneertown, and c. 0.5 air mile NW of Chaparrosa Spring 1281 Comment
  UCR274504  Melica imperfecta Duncan S. Bell 2014-4-5 6558 San Bernardino Western Mojave Desert, Pioneertown Mountains Preserve, Sawtooth Mountains, c. 2.3 air miles south of Pioneertown, or c. 1.5 air miles east of Chaparrosa Peak 1336 Comment
  RSA0124016  Melilotus albus Duncan S. Bell 2016-6-16 9761 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  IRVC29326  Mentzelia Mark A. Elvin 2006-4-1 4673 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR129443  Mentzelia A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12288 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157472  Mentzelia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16814 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR157888  Mentzelia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16860 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR175633  Mentzelia Mark A. Elvin 2006-4-1 4673 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR175745  Mentzelia Mark A. Elvin 2006-4-1 4722 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  RSA0062554  Mentzelia affinis Duncan S. Bell 2013-12-28 6096 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  RSA0031460  Mentzelia albicaulis Duncan S. Bell 2011-4-23 2337 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0047433  Mentzelia albicaulis Duncan S. Bell 2014-4-25 6623 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0120866  Mentzelia albicaulis Duncan S. Bell 2016-4-17 9346 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA479839  Mentzelia albicaulis Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA801850  Mentzelia albicaulis Duncan S. Bell 2010-5-31 1215 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR233535  Mentzelia albicaulis Jim Andre 2011-5-16 17143 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR269168  Mentzelia albicaulis Duncan S. Bell 2011-4-23 2337 San Bernardino San Bernardino Mtns/Mojave Desert, Sawtooth Mountains; in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring 1338 Comment
  UCR274393  Mentzelia albicaulis Duncan S. Bell 2014-4-25 6623 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  RSA0047430  Mentzelia involucrata Duncan S. Bell 2014-4-25 6626 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0040161  Mentzelia jonesii Duncan S. Bell 2014-4-25 6610 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA479840  Mentzelia jonesii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA755557  Mentzelia jonesii A. C. Sanders, O. F. Clarke 1992-5-9 12287 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  SD237514  Mentzelia jonesii A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12287 San Bernardino San Bernardino Mtns./Mojave Desert: mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  UCR128587  Mentzelia jonesii A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12287 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR26757  Mentzelia jonesii George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  UCR2999  Mentzelia jonesii Wm. Horn Jr. 1963-3-30 630330- 03 San Bernardino San Bernardino Mtns/ Mojave Desert, 1 mi south of Pipes Canyon Rd., 5 miles north of Pioneertown 1341 Comment
  UCR59920  Mentzelia jonesii Ed LaRue, Sharon Dougherty, S. J. Myers 1989-4-17 s.n. San Bernardino San Bernardino Mtns./Mojave Desert, 0.5 mi west of Bowden Flat, on a stream channel running through Burns Canyon, c. 1 mi SE of town of Rimrock. Pipes Road transverses the site 1341 Comment
  RSA0120861  Mentzelia nitens Duncan S. Bell 2016-4-17 9351 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  UCR157474  Mentzelia nitens A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16820 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR267796  Mentzelia nitens Jim Andre 2014-5-8 29445 San Bernardino San Bernardino Mountains, Near intersection of Pioneertown Road and Pipes Canyon Road, 3.4 miles north of Pioneertown 1306 Comment
  RSA0011405  Mentzelia veatchiana Duncan S. Bell, Amanda Turek 2010-5-30 1139 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA799340  Mentzelia veatchiana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4731 San Bernardino Sawtooth Mountains; Chaparrosa Wash; approximately 1 air mile southwest of Pioneertown and about 0.4 air mile north of Chaparrosa Spring. 1266 Comment
  UCR233529  Mentzelia veatchiana Jim Andre 2011-5-16 17149 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0050368  Mimetanthe pilosa Duncan S. Bell 2010-5-21 1054 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  UCR157659  Mimulus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16824 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA0125212  Mimulus aurantiacus Duncan S. Bell, LeRoy Gross 2016-5-12 9579 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA802208  Mimulus aurantiacus Duncan S. Bell 2010-5-31 1197 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA512150  Mimulus aurantiacus var. pubescens Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  IRVC29331  Mimulus bigelovii Mark A. Elvin 2006-4-1 4679 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0121864  Mimulus bigelovii Duncan S. Bell 2011-4-23 2353 B San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.7 air miles southeast of Chaparrosa Spring and approx. 1.7 air miles southwest of Pioneertown. 1227 Comment
  RSA802212  Mimulus bigelovii Duncan S. Bell 2010-5-31 1205 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA489142  Mimulus fremontii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA512174  Mimulus fremontii Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA652819  Mimulus fremontii Colleen Callan 1992-5-2 14 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR16708  Mimulus fremontii var. fremontii J. R. Olson 1969-5-18 016 San Bernardino Mojave Desert/San Bernardino Mtns., at junction of Rimrock Road and Pipes Road (c. 6 miles from Yucca Valley) 1220 Comment
  RSA0050363  Mimulus guttatus Duncan S. Bell 2010-5-21 1081 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0050366  Mimulus guttatus Duncan S. Bell 2010-5-21 1052 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  UCR274227  Mimulus guttatus Duncan S. Bell 2010-5-21 1052 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash 1252 Comment
  IRVC29752  Mimulus parishii Mark A. Elvin 2006-10-23 5223 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  IRVC29773  Mimulus parishii Mark A. Elvin 2006-10-24 5229 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA0050362  Mimulus parishii Duncan S. Bell 2010-5-21 1083 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0050367  Mimulus parishii Duncan S. Bell 2010-5-21 1053 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  IRVC29746  Mimulus pilosus Mark A. Elvin 2006-10-23 5224 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0050364  Mimulus rubellus Duncan S. Bell 2010-5-21 1082 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0025641  Minuartia douglasii Duncan S. Bell 2011-4-23 2306 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0031461  Mirabilis bigelovii Duncan S. Bell 2011-4-23 2336 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA567429  Mirabilis bigelovii George K. Helmkamp 1993-9-12 23 -2 San Bernardino Along the edge of Burns Canyon. 1372 Comment
  RSA0047403  Mirabilis bigelovii var. bigelovii Duncan S. Bell 2014-4-25 6633 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA780966  Mirabilis bigelovii var. bigelovii Jim Andre 2011-5-16 17184 San Bernardino Little San Bernardino Mountain, just north of Pioneertown along Pioneertown Road (north side) 6.1 miles NNW of Hwy. 62 (at Yucca Valley) 1239 Comment
  UCR233494  Mirabilis bigelovii var. bigelovii Jim Andre 2011-5-16 17184 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0027999  Mirabilis laevis var. crassifolia Duncan S. Bell 2010-5-31 1223 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0027847  Mollugo cerviana Duncan S. Bell 2012-9-8 4121 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0036334  Mollugo cerviana Duncan S. Bell 2014-10-14 7632 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  RSA0038654  Monardella linoides Duncan S. Bell 2010-5-21 1043 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA787703  Monardella linoides Duncan S. Bell 2012-5-8 3620 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneetown. 1270 Comment
  CAS-BOT-BC215625  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4727 San Bernardino Pipes Canyon Preserve, N of Pioneer town Road, in hills near drainage, Rimrock 7.5', Southern Mojave Desert, Little San Bernardino Mtns. 1249 Comment
  IRVC29339  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4686 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29487  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4727 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  OBI2159  Monardella linoides subsp. linoides P. A. Holden 1969-6-7 928 San Bernardino Just N of Pioneer Town Comment
  RSA764370  Monardella linoides subsp. linoides L. M. Prince, Bart O'Brien 2008-6-20 507 -A San Bernardino Pipes Canyon. NW of Pioneertown. 1230 Comment
  RSA764371  Monardella linoides subsp. linoides L. M. Prince, Bart O'Brien 2008-6-20 507 -B San Bernardino Pipes Canyon. NW of Pioneertown. 1230 Comment
  RSA764372  Monardella linoides subsp. linoides L. M. Prince, Bart O'Brien 2008-6-20 507 -C San Bernardino Pipes Canyon. NW of Pioneertown. 1230 Comment
  RSA764373  Monardella linoides subsp. linoides L. M. Prince, Bart O'Brien 2008-6-20 507 -D San Bernardino Pipes Canyon. NW of Pioneertown. 1230 Comment
  RSA771488  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4727 San Bernardino Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  SD237503  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4727 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. 1250 Comment
  UCR175756  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4686 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR220070  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4727 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR220073  Monardella linoides subsp. linoides Mark A. Elvin 2006-4-1 4668 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA0018593  Monardella robisonii Duncan S. Bell, Amanda Bell, Evan Bell 2013-1-31 4459 San Bernardino The hidden valley between Black Lava Butte and Flat Top, about 0.8 air mile north of Pipes Wash or about 4 air miles north of Pioneertown. 1284 Comment
  RSA0027925  Monardella robisonii Duncan S. Bell, Amanda Turek 2010-9-4 1922 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0123992  Monoptilon bellidiforme Duncan S. Bell, LeRoy Gross 2016-5-12 9552 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1.5 air miles southeast of the summit of Black Mountain, or about 6.5 air miles northwest of Pioneertown. 1433 Comment
  RSA509869  Monoptilon bellidiforme Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  RSA0036331  Muhlenbergia asperifolia Duncan S. Bell 2014-10-14 7629 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  RSA799368  Muhlenbergia asperifolia Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4743 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  SD247554  Muhlenbergia asperifolia Duncan S. Bell 2014-10-14 7629 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. A small localized spring. 1353 Comment
  UCR274232  Muhlenbergia asperifolia Duncan S. Bell 2014-10-14 7629 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, southwestern section of range, c. 3 air miles southwest of Pioneertown 1353 Comment
  UCR82889  Muhlenbergia asperifolia A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15824 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  IRVC29730  Muhlenbergia rigens Mark A. Elvin 2006-10-23 5206 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0027537  Muhlenbergia rigens Duncan S. Bell, Amanda Turek 2010-9-5 1937 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA516740  Muhlenbergia rigens Ed LaRue, S. Doughertym, S. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site Comment
  RSA798844  Muhlenbergia rigens Duncan S. Bell 2012-10-8 4347 San Bernardino Sawtooth Mountains; Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring, or approximately 1.8 air miles southwest of where Water Canyon crosses Pioneertown Road. 1172 Comment
  UCR245666  Muhlenbergia rigens Duncan S. Bell 2012-10-8 4347 San Bernardino San Bernardino Mountains, Sawtooth Mountains, Water Canyon, c. 1.3 air miles southeast of Chaparrosa Spring, or c. 1.8 air miles southwest of where Water Canyon crosses Pioneertown Road 1172 Comment
  UCR269187  Muhlenbergia rigens Duncan S. Bell, Amanda Turek 2010-9-5 1937 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown 1532 Comment
  RSA0025180  Nama demissa Duncan S. Bell 2011-4-23 2301 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028115  Nama demissa Duncan S. Bell 2012-5-3 3580 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0047432  Nama demissa Duncan S. Bell 2014-4-25 6624 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA509878  Nama demissa Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA709418  Nama demissa A. C. Sanders, O. F. Clarke 1992-5-9 12292 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  RSA802007  Nama demissa Duncan S. Bell, Amanda Turek 2010-5-30 1156 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  RSA802213  Nama demissa Duncan S. Bell 2010-5-31 1207 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR129513  Nama demissa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12292 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  RSA0038662  Nemacladus Duncan S. Bell 2010-5-21 1034 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0040164  Nemacladus Duncan S. Bell 2014-4-25 6607 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0053760  Nemacladus Duncan S. Bell 2010-5-21 1069 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA0120863  Nemacladus Duncan S. Bell 2016-4-17 9349 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0011408  Nemacladus glanduliferus Duncan S. Bell, Amanda Turek 2010-5-30 1136 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  UCR128882  Nemacladus longiflorus var. breviflorus A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12276 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157476  Nemacladus longiflorus var. breviflorus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16823 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  RSA0121862  Nemacladus ramosissimus Duncan S. Bell 2011-4-23 2356 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.5 air mile south of Chaparrosa Spring and approx. 1.9 air miles southwest of Pioneertown. 1248 Comment
  UCR26803  Nemacladus rubescens George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  RSA479835  Nemacladus sigmoideus Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  SD237395  Nemacladus sigmoideus A. C. Sanders, O. F. Clarke & CNPS Field Trip 1992-5-9 12279 San Bernardino San Bernardino Mountains/Mojave Desert: mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock (Rimrock 7.5'Q) 1433 Comment
  SEINET3417799  Nemacladus sigmoideus Andrew C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16828 San Bernardino San Bernardino Mtns; Rimrock, 4.1 mi north of Pioneertown, dirt track W from Rimrock Road, south of Burns Canyon 1341 Comment
  SEINET3417803  Nemacladus sigmoideus Andrew C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16861 San Bernardino San Bernardino Mtns; Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1489 Comment
  UCR128585  Nemacladus sigmoideus A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12277 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR128880  Nemacladus sigmoideus A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12279 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR157871  Nemacladus sigmoideus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16890 San Bernardino San Bernardino Mountains, Burns Canyon, 2.1 mi above Rimrock Rd., just below Burns Spring 1530 Comment
  UCR157889  Nemacladus sigmoideus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16861 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR158125  Nemacladus sigmoideus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16828 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR233515  Nemacladus sigmoideus Jim Andre 2011-5-16 17163 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  POM173472  Nemacladus tenuis var. tenuis Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA0022321  Nemophila menziesii Duncan S. Bell 2011-4-23 2326 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  UCR175540  Nemophila menziesii subsp. integrifolia Mark A. Elvin 2006-4-1 4670 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29323  Nemophila menziesii var. integrifolia Mark A. Elvin 2006-4-1 4670 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  SD220069  Nemophila menziesii var. integrifolia Mark A. Elvin 2006-4-1 4670 San Bernardino Little San Bernardino Mountains; Pipes Canyon Preserve; Sorrel Horse Canyon, south of Pioneertown Road along wash and ridge to the south. 1220 Comment
  RSA0025254  Nicolletia occidentalis Duncan S. Bell 2012-9-8 4124 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0038661  Nicolletia occidentalis Duncan S. Bell 2010-5-21 1050 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1239 Comment
  RSA512126  Nicolletia occidentalis Ed LaRue, Steve Myers, S. Dougherty 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  SEINET1909570  Nicolletia occidentalis A. C. Sanders, Petra Wester 2004-1 28146 San Bernardino San Bernardino Mtns: Burns Canyon, upper canyon in vicinity of Burns Spring 1478 Comment
  UCR139991  Nicolletia occidentalis A. C. Sanders, Petra Wester 2004-6-11 28146 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR233536  Nicolletia occidentalis Jim Andre 2011-5-16 17142 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR26765  Nicolletia occidentalis George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  UCR59919  Nicolletia occidentalis Ed LaRue, S. Dougherty, S. Meyers 1989-4-17 s.n. San Bernardino San Bernardino Mtns./Mojave Desert, 0.5 mi west of Bowden Flat, on a stream channel running through Burns Canyon, c. 1 mi SE of town of Rimrock. Pipes Road transverses the site 1341 Comment
  RSA801858  Nicotiana acuminata var. multiflora Duncan S. Bell 2010-5-31 1224 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0060796  Nicotiana attenuata Duncan S. Bell 2014-10-14 7616 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  RSA0124012  Nicotiana attenuata Duncan S. Bell 2016-6-16 9765 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  RSA0026025  Nicotiana obtusifolia Duncan S. Bell 2012-9-8 4137 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0050546  Nicotiana obtusifolia Duncan S. Bell 2014-10-14 7642 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the western section of range. 1398 Comment
  RSA479828  Nicotiana obtusifolia Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 miles NW of Pioneertown near Rimrock, 1.5 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR274244  Nicotiana obtusifolia Duncan S. Bell 2014-10-14 7642 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the western section of range 1398 Comment
  IRVC29731  Nicotiana quadrivalvis Mark A. Elvin 2006-10-23 5207 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  IRVC29771  Nicotiana quadrivalvis Mark A. Elvin 2006-10-24 5231 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA124219  Nolina parryi Percy C. Everett, E. K. Balls 1959-5-4 23096 San Bernardino 4.9 miles NW from Yucca Valley on road to Pioneer Town. 1220 Comment
  RSA802002  Nolina parryi Duncan S. Bell, Amanda Turek 2010-5-30 1150 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  UC1080256  Nolina parryi P. C. Everett and E. K. Balls 1958-5-4 23096 San Bernardino 4.9 mi nw Yucca Villa (on road to Pioneer Town) 1219 Comment
  UCR233497  Nolina parryi Jim Andre 2011-5-16 17181 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR82865  Nolina parryi A. C. Sanders, P. J. MacKay, C. L. Sanders 1994-10-16 15834 San Bernardino San Bernardino Mtns., Burns Canyon, at a side canyon from the north c. 0.25 mi below Burns Spring 1500 Comment
  CAS-BOT-BC171512  Oenothera californica S. B. Parish 1894-6-16 2964 San Bernardino Pipe Canyon, San Bernardino Mountains, and their eastern base. 1219 Comment
  RSA802122  Oenothera californica Duncan S. Bell 2010-5-31 1166 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  SEINET8481388 Image available Oenothera californica subsp. avita Jim Andre 2011-5-16 17167 San Bernardino Little San Bernardino Mountains; along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  UCR233511  Oenothera californica subsp. avita Jim Andre 2011-5-16 17167 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  RSA511555  Oenothera californica subsp. californica Ed LaRue, S. Dougherty, S. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  CLARK-A1528-3351  Oenothera hookeri John C. Roos 1946-10-5 3106 San Bernardino San Bernardino Mountains 1356 Comment
  RSA0125215  Orobanche fasciculata Duncan S. Bell, LeRoy Gross 2016-5-12 9571 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0024950  Orobanche parishii Duncan S. Bell 2012-9-8 4148 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0094423  Orobanche parishii Duncan S. Bell 2015-10-2 8707 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  SEINET3244044 Image available Oryzopsis hymenoides G. Helmkamp 1993-1 23 -3 San Bernardino Dry slope along the edge of Burns Canyon. 1372 Comment
  CLARK-A1528-756  Oxytheca trilobata Charlotte Stocks 1966-5-15 San Bernardino Comment
  RSA0027527  Oxytheca trilobata Duncan S. Bell, Amanda Turek 2010-9-5 1946 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0042893  Oxytheca trilobata Duncan S. Bell 2014-4-5 6553 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0053745  Oxytheca trilobata Duncan S. Bell 2010-5-21 1075 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA392813  Oxytheca trilobata S. B. Parish 1894-6-16 3216 San Bernardino Byrne's Spring. 1372 Comment
  RSA802369  Oxytheca trilobata Duncan S. Bell 2010-5-31 1195 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR274204  Oxytheca trilobata Duncan S. Bell 2010-5-21 1075 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, just to the west of Chaparrosa Wash, c. 1.4 air miles southwest of Pioneertown 1281 Comment
  UCR28675  Oxytheca trilobata A. C. Sanders 1976-5-25 66 San Bernardino E San Bernardino Mtns, Burns Canyon, vicinity of Burns Spring 1600 Comment
  UCR86669  Oxytheca trilobata A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16821 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC416  Oxytheca trilobata A. C. Sanders 1995-4-30 16821 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  CDA23113  Panicum capillare Mark A. Elvin 2006-10-23 5221 San Bernardino Southern Mojave Desert; Little San Bernardino Mountains: Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Comment
  RSA0028229  Pectis papposa Duncan S. Bell 2012-9-8 4118 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0054037  Pectis papposa Duncan S. Bell 2014-10-14 7633 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  IRVC29316  Pectocarya Mark A. Elvin 2006-4-1 4663 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29475  Pectocarya heterocarpa Mark A. Elvin 2006-4-1 4704 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  UCR175513  Pectocarya linearis Mark A. Elvin 2006-4-1 4663 A San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA0022317  Pectocarya linearis subsp. ferocula Duncan S. Bell 2011-4-23 2322 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0042891  Pectocarya linearis subsp. ferocula Duncan S. Bell 2014-4-5 6551 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA0120229  Pectocarya linearis subsp. ferocula Duncan S. Bell 2016-3-13 8917 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA799341  Pectocarya linearis subsp. ferocula Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4732 San Bernardino Sawtooth Mountains; Chaparrosa Wash; approximately 1 air mile southwest of Pioneertown and about 0.4 air mile north of Chaparrosa Spring. 1266 Comment
  RSA0094155  Pectocarya penicillata Duncan S. Bell 2015-3-14 7858 B San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA509870  Pectocarya penicillata Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  UCR175510  Pectocarya penicillata Mark A. Elvin 2006-4-1 4663 B San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29490  Pectocarya platycarpa Mark A. Elvin 2006-4-1 4730 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  CLARK-A1656-801  Pectocarya setosa Theo Glenn 1982-5-18 San Bernardino Pioneertown Comment
  RSA0011404  Pectocarya setosa Duncan S. Bell, Amanda Turek 2010-5-30 1140 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0038663  Pectocarya setosa Duncan S. Bell 2010-5-21 1035 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Sorrel Horse Canyon, a short distance from Pioneertown Road. 1243 Comment
  RSA0040160  Pectocarya setosa Duncan S. Bell 2014-4-25 6611 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0053713  Pectocarya setosa Duncan S. Bell 2010-5-21 1072 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  RSA479819  Pectocarya setosa Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd and Roadrunner Rut Rd. 1341 Comment
  RSA645417  Pectocarya setosa A. C. Sanders, G. L. Helmkamp 1995-4-30 16881 San Bernardino San Bernardino Mountains: Burns Canyon, 2.1 miles above Rimrock Rd., just below Burns Spring. 1530 Comment
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCR175750  Pectocarya setosa Mark A. Elvin 2006-4-1 4715 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR175767  Pectocarya setosa Mark A. Elvin 2006-4-1 4721 San Bernardino S Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; north of Pioneertown Rd. in hills near the drainage 1250 Comment
  UCR233532  Pectocarya setosa Jim Andre 2011-5-16 17146 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR86570  Pectocarya setosa A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16881 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA802207  Pellaea mucronata Duncan S. Bell 2010-5-31 1196 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0022306  Pellaea mucronata subsp. californica Duncan S. Bell 2011-4-23 2310 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0025109  Pellaea mucronata subsp. californica Duncan S. Bell 2012-3-17 3158 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0028336  Penstemon centranthifolius Duncan S. Bell 2012-5-3 3586 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0121861  Penstemon centranthifolius Duncan S. Bell 2011-4-23 2357 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.5 air mile south of Chaparrosa Spring and approx. 1.9 air miles southwest of Pioneertown. 1248 Comment
  UCR269173  Penstemon centranthifolius Duncan S. Bell 2012-5-3 3586 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown 1575 Comment
  RSA0123986  Penstemon eatonii Duncan S. Bell, LeRoy Gross 2016-5-12 9558 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  UCR139254  Penstemon eatonii A. C. Sanders, Petra Wester 2004-6-11 28129 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0103109  Penstemon grinnellii Duncan S. Bell 2015-5-23 8326 San Bernardino Collecting on the Pioneertown Mountains Preserve, in Pipes Canyon, approximately 1.75 air miles west southwest from the Preserve headquarters. 1452 Comment
  CAS-BOT-BC239092  Penstemon incertus Richard M. Straw 1959-5-9 1565 San Bernardino Pioneertown, north of Yucca Valley; Mojave Desert 1219 Comment
  CLARK-A1528-5741  Penstemon incertus John C. Roos 1947-8-2 3734 San Bernardino Burns Canyon 1280 Comment
  CLARK-A1528-5742  Penstemon incertus John C. Roos 1947-8-2 3734 San Bernardino Burns Canyon 1280 Comment
  GMDRC5030  Penstemon incertus J. Andre 2011-5-16 17174 San Bernardino Little San Bernardino Mountains: just north of Pioneertown along Pioneertown Rd (north side) 6.1 mi. NNW of Hwy 62 (at Yucca Valley) 1239 Comment
  RSA45218  Penstemon incertus J. C. Roos, L. Roos 1949-5-14 4299 San Bernardino 5 miles west of The Windmill; Burns-Pipes Wash, east end San Bernardino Mts. 1220 Comment
  RSA780964  Penstemon incertus Jim Andre 2011-5-16 17174 San Bernardino Little San Bernardino Mountain, just north of Pioneertown along Pioneertown Road (north side) 6.1 miles NNW of Hwy. 62 (at Yucca Valley) 1239 Comment
  RSA787657  Penstemon incertus Duncan S. Bell 2012-5-8 3622 San Bernardino Black Hill; approximately 1.25 air miles northwest of Pioneetown. 1270 Comment
  SEINET8197516  Penstemon incertus Jim Andre 2011-1 17174 San Bernardino Little San Bernardino Mountains; just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valle. 7.5' Quad: Rimrock. 1239 Comment
  SFV17412  Penstemon incertus M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-7 77 dup. San Bernardino Pioneertown Road, on roadside. 1067 Comment
  SFV17413  Penstemon incertus M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-7 77 San Bernardino Pioneertown Road, on roadside. 1067 Comment
  UCR16012  Penstemon incertus B. A. Carlson 1978-5-26 s.n. San Bernardino Mojave Desert, c. 1 mile west of Pioneertown along Pioneer Pass Road 1220 Comment
  UCR233504  Penstemon incertus Jim Andre 2011-5-16 17174 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR26751  Penstemon incertus George K. Helmkamp 1982-5-23 s.n. San Bernardino San Bernardino Mtns/ Mojave Desert, burn area where Pipes Canyon Road meets Pioneertown Road 1311 Comment
  UCSB31538  Penstemon incertus Straw, Richard 1959-5-9 San Bernardino Pioneertown; north of Yucca Valley; Mohave desert 1219 Comment
  RSA0124388  Pentagramma triangularis Duncan S. Bell 2016-4-17 9342 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  POM68976  Petalonyx thurberi E. C. Jaeger, D. D. Keck 1925-10-3 245 San Bernardino The Pipes Wash near Morongo Valley. 1159 Comment
  RSA782028  Petalonyx thurberi subsp. thurberi Duncan S. Bell, Amanda Bell 2011-10-8 2971 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  POM147597  Peucephyllum schottii Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
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Sep 17 2011
  RSA0043203  Phacelia affinis Duncan S. Bell 2010-5-31 1211 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA0125209  Phacelia affinis Duncan S. Bell, LeRoy Gross 2016-5-12 9584 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA428262  Phacelia affinis S. B. Parish 1894-6-16 3558 San Bernardino Byrne s Spring. 1372 Comment
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Sep 26 2016
  UCR86572  Phacelia affinis A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16863 .1 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA479838  Phacelia campanularia Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR86561  Phacelia campanularia A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16880 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  IRVC29734  Phacelia campanularia subsp. vasiformis Mark A. Elvin 2006-10-23 5210 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0022309  Phacelia campanularia subsp. vasiformis Duncan S. Bell 2011-4-23 2314 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  UCR233498  Phacelia campanularia subsp. vasiformis Jim Andre 2011-5-16 17180 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0022308  Phacelia cryptantha Duncan S. Bell 2011-4-23 2313 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0047406  Phacelia cryptantha Duncan S. Bell 2014-4-25 6636 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0053756  Phacelia cryptantha Duncan S. Bell 2010-5-21 1089 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA479823  Phacelia cryptantha Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA709430  Phacelia cryptantha A. C. Sanders, O. F. Clarke 1992-5-9 24318 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  UCR128590  Phacelia cryptantha A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12282 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR274387  Phacelia cryptantha Duncan S. Bell 2014-4-25 6636 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR86671  Phacelia cryptantha A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16816 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  IRVC29480  Phacelia curvipes Mark A. Elvin 2006-4-1 4711 San Bernardino Pipes Canyon Preserve; South of Pioneertown Road, just over ridge on Chaparrosa Wash. Southern Mojave Desert, Little San Bernardino Mtns 1235 Comment
  RSA0025643  Phacelia curvipes Duncan S. Bell 2011-4-23 2308 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0104091  Phacelia curvipes Duncan S. Bell 2015-3-14 7855 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA709429  Phacelia curvipes A. C. Sanders, O. F. Clarke 1992-5-9 12283 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  SD167102  Phacelia curvipes A. C. Sanders, G. K. Helmkamp and E. A. Helmkamp 1995-4-30 16826 San Bernardino San Bernardino Mountains; Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon. 1341 Comment
  UCR157858  Phacelia curvipes A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16826 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR86571  Phacelia curvipes A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16863 .2 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0028333  Phacelia distans Duncan S. Bell 2012-5-3 3583 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0047427  Phacelia distans Duncan S. Bell 2014-4-25 6630 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA780963  Phacelia distans Jim Andre 2011-5-16 17162 San Bernardino Along Pioneertown Road, 7.2 miles NNW of Hwy. 62 (at Yucca Valley) just east of Pipes Canyon, just west of Black Hill. 1301 Comment
  RSA802121  Phacelia distans Duncan S. Bell 2010-5-31 1167 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UC107375  Phacelia distans S. B. Parish 1894-6-16 3359 San Bernardino Byrne's Spring San Bernardino Mountains and their eastern base 1371 Comment
  UCR233516  Phacelia distans Jim Andre 2011-5-16 17162 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  RSA0122910  Phacelia fremontii Duncan S. Bell 2016-4-18 9380 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 4 air miles west northwest of Pioneertown, or about 0.8 air mile north of Chaparrosa Peak. 1494 Comment
  RSA509877  Phacelia fremontii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UC107301  Phacelia fremontii S. B. Parish 1894-6-16 2960 San Bernardino Byrne's Spring San Bernardino Mountains and their eastern base 1524 Comment
  RSA0053755  Phacelia lemmonii Duncan S. Bell 2010-5-21 1084 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0125205  Phacelia lemmonii Duncan S. Bell, LeRoy Gross 2016-5-12 9585 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  UCR128589  Phacelia mohavensis A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12283 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  POM147943  Phacelia pedicellata Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
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Sep 17 2011
  CLARK-A1528-4806  Phleum pratense John C. Roos 1946-10-5 3110 San Bernardino San Bernardino Mountains 1356 Comment
  UCR24076  Phleum pratense John C. Roos 1946-10-5 3110 San Bernardino San Bernardino Mtns./Southern Mojave Desert, The Pipes, a desert slope on the E side of the mountains, north of Yucca Valley. At mouth of canyon 1357 Comment
  RSA0104087  Phoradendron bolleanum Duncan S. Bell 2015-3-14 7861 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0125208  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-5-12 9586 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  SD48394  Phoradendron bolleanum E. K. Balls, P. C. Everett 1957-11-13 22808 San Bernardino 2.3 mi. nw. from Pioneer town, road Big bear to Baldwin Lake 1250 Comment
  RSA0121077  Phoradendron californicum Duncan S. Bell 2016-3-13 8914 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA125888  Phoradendron densum E. K. Balls, Percy C. Everett 1957-11-13 22808 San Bernardino In sun and semishade; grows on Juniperus, occasionally on Quercus; 2.3 mi. NW. from Pioneer Town, road Big Bear and Baldwin Lake. 1250 Comment
  RSA614492  Phoradendron densum A. C. Sanders, P. J. MacKay, C. L. Sanders 1994-10-16 15836 San Bernardino Burns Canyon, at a side canyon from the N ca. 1/4 mi. below Burns Spring. 1494 Comment
  RSA643892  Phoradendron densum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16806 San Bernardino E San Bernardino Mts./ Mojave Desert: Rimrock, 4.1 mi. N of Pioneertown, along a dirt track W from Rimrock Rd., S of Burns Cyn. 1341 Comment
  UC1080588  Phoradendron densum E. K. Balls and P. C. Everett 1957-11-13 22808 San Bernardino 2.3 mi. n.w. from Pioneer Town (<rd. Big Bear and Baldwin Lake>) 1249 Comment
  UCR175743  Phoradendron densum Mark A. Elvin 2006-4-1 4688 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR82863  Phoradendron densum A. C. Sanders, P. J. MacKay, C. L. Sanders 1994-10-16 15836 San Bernardino San Bernardino Mtns., Burns Canyon, at a side canyon from the north c. 0.25 mi below Burns Spring 1500 Comment
  UCR86685  Phoradendron densum A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16806 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC511  Phoradendron densum A. C. Sanders 1995-4-30 16806 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  IRVC29341  Phoradendron juniperinum Mark A. Elvin 2006-4-1 4688 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  IRVC29321  Phoradendron villosum Mark A. Elvin 2006-4-1 4667 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  UCR175763  Phoradendron villosum Mark A. Elvin 2006-4-1 4667 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA0024948  Physalis crassifolia Duncan S. Bell 2012-9-8 4146 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0024949  Pinus monophylla Duncan S. Bell 2012-9-8 4147 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0042883  Pinus monophylla Duncan S. Bell 2014-4-25 6657 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0120871  Pinus monophylla Duncan S. Bell 2016-4-17 9360 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  UCD134855  Pinus monophylla Lionel A. Stange 1956-3-31 s.n. Riverside Burn's Spring. Comment
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Mar 13 2014
  RSA0046577  Plagiobothrys jonesii Duncan S. Bell 2014-4-25 6637 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR274472  Plagiobothrys jonesii Duncan S. Bell 2014-4-25 6637 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  RSA0055812  Plantago patagonica Duncan S. Bell 2014-4-5 6566 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA0120698  Platanus racemosa Duncan S. Bell 2016-3-13 8910 San Bernardino Sawtooth Mountains; in a meandering side canyon off of and to the north of Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring. 1170 Comment
  RSA799339  Platystemon californicus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4730 San Bernardino Sawtooth Mountains; Chaparrosa Wash; approximately 1 air mile southwest of Pioneertown and about 0.4 air mile north of Chaparrosa Spring. 1266 Comment
  RSA0021719  Poa Duncan S. Bell 2013-4-15 4806 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0125347  Poa fendleriana Duncan S. Bell, LeRoy Gross 2016-5-12 9576 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA0011400  Poa secunda Duncan S. Bell, Amanda Turek 2010-5-30 1144 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0025107  Poa secunda Duncan S. Bell 2012-3-17 3161 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0031464  Poa secunda Duncan S. Bell 2011-4-23 2333 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0062579  Poa secunda Duncan S. Bell 2014-4-25 6604 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0104431  Poa secunda Duncan S. Bell 2015-3-14 7857 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0120543  Poa secunda Duncan S. Bell 2016-4-17 9367 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0122911  Poa secunda Duncan S. Bell 2016-4-18 9379 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 4 air miles west northwest of Pioneertown, or about 0.8 air mile north of Chaparrosa Peak. 1494 Comment
  RSA0124729  Poa secunda Duncan S. Bell, LeRoy Gross 2016-5-12 9567 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA489140  Poa secunda Jeri Hirshberg s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  CDA23576  Polypogon monspeliensis Mark A. Elvin 2006-10-23 5220 San Bernardino Southern Mojave Desert; Little San Bernardino Mountains: Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Comment
  IRVC29749  Polypogon monspeliensis Mark A. Elvin 2006-10-23 5220 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0027536  Polypogon monspeliensis Duncan S. Bell, Amanda Turek 2010-9-5 1936 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0028339  Polypogon monspeliensis Duncan S. Bell 2012-3-17 3155 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0050372  Polypogon monspeliensis Duncan S. Bell 2010-5-21 1058 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  RSA0021313  Populus fremontii Duncan S. Bell 2010-11-26 2010 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0094428  Populus fremontii Duncan S. Bell 2015-10-2 8702 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  RSA0121860  Prosopis glandulosa var. torreyana Duncan S. Bell 2011-4-23 2358 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.5 air mile south of Chaparrosa Spring and approx. 1.9 air miles southwest of Pioneertown. 1248 Comment
  CAS-BOT-BC167201  Prunus fasciculata A. C. Sanders; Petra Wester 2004-6-11 28132 San Bernardino San Bernardino Mtns.: Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  POM147709  Prunus fasciculata Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA652820  Prunus fasciculata Colleen Callan 1992-5-2 23 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  RSA656569  Prunus fasciculata James Henrickson 1998-4-19 22238 San Bernardino Seven miles NW of community of Yucca Valley, 3 miles NW of Pioneer Town 1250 Comment
  RSA802117  Prunus fasciculata Duncan S. Bell 2010-5-31 1174 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  UCR139251  Prunus fasciculata A. C. Sanders, Petra Wester 2004-6-11 28132 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR146102  Prunus fasciculata James Henrickson 1998-4-19 22238 San Bernardino Southern Mojave Desert, seven miles NW of community of Yucca Valley, [Pipes Wash] 3 miles NW of Pioneer Town 1250 Comment
  SBBG118454  Prunus fasciculata var. fasciculata J. Henrickson 1998-4-19 22238 San Bernardino 7 mi NW of Yucca Valley, 3 mi NW of Pioneer Town 1250 Comment
  RSA802116  Prunus ilicifolia Duncan S. Bell 2010-5-31 1173 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  RSA0120875  Pseudognaphalium thermale Duncan S. Bell 2016-4-17 9356 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  GH369158  Psorothamnus arborescens var. simplicifolius S. B. Parish 1894-6-16 2991 Unknown San Bernardino Mountains, Bymel's [?] Canyon, San Bernardino Mountains, and their eastern base 1524 Comment
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Jun 25 2012
  SEINET3407800 Image available Psorothamnus arborescens var. simplicifolius L. A. McGill 1976-8-17 LAM 1112 San Bernardino Pioneertown-Arroyo N of town Comment
  UC81848  Psorothamnus arborescens var. simplicifolius S. B. Parish 1894-6-16 2991 San Bernardino Byrne's Canyon (Burns Canyon) Comment
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Jan 5 2009
  RSA798845  Pulicaria paludosa Duncan S. Bell 2012-10-8 4346 San Bernardino Sawtooth Mountains; Water Canyon; approximately 1.3 air miles southeast of Chaparrosa Spring, or approximately 1.8 air miles southwest of where Water Canyon crosses Pioneertown Road. 1172 Comment
  RSA0041524  Purshia glandulosa Duncan S. Bell 2014-4-25 6659 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR16964  Purshia glandulosa Arthur Douglas 1969-5-4 18 San Bernardino San Bernardino Mtns./Southern Mojave Desert, near Pioneertown, 4 miles west of the east end of the Pipes Canyon Road 1280 Comment
  OBI2128  Purshia tridentata var. glandulosa P. A. Holden 1970-4-29 1114 San Bernardino In Pipes Cyn 8 mi N of Yucca Valley Comment
  OBI2185  Purshia tridentata var. glandulosa P. A. Holden 1969-6-7 926 San Bernardino All about the plateau surrounding Pioneer Town 5 mi N of Yucca Valley 1219 Comment
  OBI61057  Purshia tridentata var. glandulosa P. A. Holden 1969-6-7 926 San Bernardino 2 mi N of Pioneer Town and 6 mi N of Yucca Valley, near roadside Comment
  RSA516738  Purshia tridentata var. glandulosa Ed LaRue, S. Dougherty, S. J. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA0020273  Quercus Duncan S. Bell 2013-4-15 4807 San Bernardino Sawtooth Mountains; near the head of Sorrel Horse Canyon approximately 0.4 air mile west northwest of Chaparrosa Peak. 1558 Comment
  RSA0020464  Quercus cornelius-mulleri Duncan S. Bell 2013-8-22 5674 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA0025328  Quercus cornelius-mulleri Duncan S. Bell 2012-9-8 4144 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0027926  Quercus cornelius-mulleri Duncan S. Bell, Amanda Turek 2010-9-4 1924 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA509875  Quercus cornelius-mulleri Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA801863  Quercus cornelius-mulleri Duncan S. Bell 2010-5-31 1228 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  UCR103341  Quercus cornelius-mulleri George K. Helmkamp 1993-9-12 23- 14 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  UCR139253  Quercus cornelius-mulleri A. C. Sanders, Petra Wester 2004-6-11 28130 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR175511  Quercus cornelius-mulleri Mark A. Elvin 2006-4-1 4666 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR260184  Quercus cornelius-mulleri Duncan S. Bell 2013-8-22 5674 San Bernardino Mojave Desert, west side of Black Hill, c. 1.5 air mi northwesty of Pioneertown 1359 Comment
  IRVC29320  Quercus john-tuckeri Mark A. Elvin 2006-4-1 4666 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA799346  Quercus palmeri Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4736 San Bernardino Sawtooth Mountains; Chaparrosa Spring; approximately 1.25 air mile southwest of Pioneertown. 1291 Comment
  RSA0031568  Quercus turbinella Duncan S. Bell 2011-4-23 2342 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0104093  Rafinesquia neomexicana Duncan S. Bell 2015-3-14 7852 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  RSA0021312  Rhamnus ilicifolia Duncan S. Bell 2010-11-26 2009 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0104541  Rhus aromatica Duncan S. Bell 2015-8-23 8633 San Bernardino The southeastern end of the Bighorn Mountains; collecting in the valley between Black Lava Butte and Flat Top Mesa. 1267 Comment
  RSA0053757  Rhus ovata Duncan S. Bell 2010-5-21 1092 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA0054040  Rhus ovata Duncan S. Bell 2014-10-14 7635 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; southwestern section of range, about 3 air miles southwest of Pioneertown. 1353 Comment
  UCR274229  Rhus ovata Duncan S. Bell 2014-10-14 7635 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, southwestern section of range, c. 3 air miles southwest of Pioneertown 1353 Comment
  RSA0031458  Rhus trilobata Duncan S. Bell 2011-4-23 2339 B San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA782026  Rhus trilobata Duncan S. Bell, Amanda Bell 2011-10-8 2969 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA799367  Rhus trilobata Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4742 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  IRVC29318  Ribes quercetorum Mark A. Elvin 2006-4-1 4665 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0070018  Ribes quercetorum Duncan S. Bell 2013-12-28 6091 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in Water Canyon, about 0.75 air mile south of Chaparrosa Spring. 1268 Comment
  SD220065  Ribes quercetorum Mark A. Elvin 2006-4-1 4665 San Bernardino Little San Bernardino Mountains: Pipes Canyon Preserve; Sorrel Horse Canyon, south of Pioneertown Road along wash and ridge to the south. 1220 Comment
  UCR175741  Ribes quercetorum Mark A. Elvin 2006-4-1 4665 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  RSA167690  Rumex hymenosepalus Robert F. Thorne 1964-5-3 34007 San Bernardino Pipes Wash, 5.2 miles N of Yucca Valley, Joshua Tree road. Comment
  RSA0055801  Sairocarpus coulterianus Duncan S. Bell 2014-4-5 6559 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2.3 air miles south of Pioneertown, or about 1.5 air miles east of Chaparrosa Peak. 1336 Comment
  RSA802113  Salazaria mexicana Duncan S. Bell 2010-5-31 1170 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  CAS-BOT-BC129740  Salix bonplandiana Marcus E. Jones 1927-4-21 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  RSA787665  Salix exigua Duncan S. Bell 2012-5-8 3630 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  POM145332  Salix laevigata Marcus E. Jones 1927-4-12 s.n. San Bernardino The Pipes, near Morongo Valley. Comment
  RSA0021560  Salix laevigata Duncan S. Bell 2010-11-26 2006 San Bernardino Sawtooth Mountains; Chaparrosa Spring, approximately 1.5 air miles southwest of Pioneertown. 1291 Comment
  RSA0121850  Salix laevigata Duncan S. Bell 2016-6-16 9758 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.75 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1465 Comment
  RSA799362  Salix laevigata Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4737 San Bernardino Sawtooth Mountains; Chaparrosa Spring; approximately 1.25 air mile southwest of Pioneertown. 1291 Comment
  SBBG59056  Salix laevigata M. E. Jones 1927-4-12 San Bernardino The Pipes, near Morongo Valley Comment
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Sep 17 2011
  UCR260178  Salix laevigata Duncan S. Bell 2010-11-26 2006 San Bernardino Sawtooth Mountains, Chaparrosa Spring, c. 1.5 air mi southwest of Pioneertown 1291 Comment
  UCR269186  Salix laevigata Duncan S. Bell, Amanda Turek 2010-9-5 1933 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown 1532 Comment
  RSA0027533  Salix lasiolepis Duncan S. Bell, Amanda Turek 2010-9-5 1933 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0034101  Salix lasiolepis Naomi S. Fraga, Duncan S. Bell, Jessica Chu, Evan Meyer 2013-3-28 4234 San Bernardino Burns Canyon Road near the community of Rimrock. 1340 Comment
  RSA567427  Salix lasiolepis George K. Helmkamp 1993-9-22 34 -19 San Bernardino 6.7 mi. up Burns Canyon from jct of Pioneertown and Pipes Cyn Rds. 1524 Comment
  SEINET7248243  Salix lasiolepis Naomi Fraga, Duncan Bell, Jessica Chu, Evan Meyer 2013-1 4234 San Bernardino Transverse Ranges; San Bernardino Mountains region: Burns Canyon Road near the community of Rimrock. 1340 Comment
  UCR79277  Salsola tragus George K. Helmkamp 1993-9-12 22- 11 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0024957  Saltugilia latimeri Duncan S. Bell 2011-4-23 2297 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0028121  Saltugilia latimeri Duncan S. Bell 2012-5-3 3572 San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  RSA0038722  Saltugilia latimeri Duncan S. Bell 2014-4-25 6642 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0043160  Saltugilia latimeri Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-6 4739 San Bernardino Sawtooth Mountains; collecting in Water Canyon approximately 1.8 air miles southwest of Pioneertown and about 0.6 air mile south of Chaparrosa Spring. 1242 Comment
  RSA0055849  Saltugilia latimeri Duncan S. Bell 2014-4-5 6564 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA0094602  Saltugilia latimeri Duncan S. Bell 2015-4-2 7947 San Bernardino The east side of Black Lava Butte, to the northwest of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1318 Comment
  RSA0104097  Saltugilia latimeri Duncan S. Bell 2015-3-14 7847 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  UCR274471  Saltugilia latimeri Duncan S. Bell 2014-4-25 6642 San Bernardino Mojave Desert, Pioneertown Mountains Preserve, Black Hill, just to the north of Pioneertown 1361 Comment
  UCR274503  Saltugilia latimeri Duncan S. Bell 2014-4-5 6564 San Bernardino Western Mojave Desert, Pioneertown Mountains Preserve, Sawtooth Mountains, c. 2 air miles southwest of Pioneertown, or c. 1.75 air miles northeast of Chaparrosa Peak 1315 Comment
  GMDRC5027  Saltugilia splendens subsp. splendens J. Andre 2011-5-16 17164 San Bernardino Little San Bernardino Mountains: along Burns Cyn Rd, 11.2 mi. NNW of Hwy 62 (at Yucca Valley) just east of Burns Spring 1463 Comment
  UCR233514  Saltugilia splendens subsp. splendens Jim Andre 2011-5-16 17164 San Bernardino Little San Bernardino Mountains, along Burns Canyon Road, 11.2 mi north northwest of Hwy 62 at Yucca Valley just east of Burns Spring 1463 Comment
  RSA787666  Salvia apiana Duncan S. Bell 2012-5-8 3628 San Bernardino Sawtooth Mountains; collecting along Water Canyon, approximately 0.75 air mile southeast of Chaparrosa Spring, or approximately 1.75 air miles southwest of Pioneertown. 1238 Comment
  IRVC29485  Salvia columbariae Mark A. Elvin 2006-4-1 4725 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  RSA0021307  Salvia columbariae Duncan S. Bell 2013-8-22 5667 San Bernardino The west side of Black Hill, approximately 1.5 air miles northwest of Pioneertown. 1359 Comment
  RSA802200  Salvia columbariae Duncan S. Bell 2010-5-31 1194 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR233505  Salvia columbariae Jim Andre 2011-5-16 17173 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0038659  Salvia dorrii Duncan S. Bell 2010-5-21 1048 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1239 Comment
  RSA0125213  Salvia dorrii Duncan S. Bell, LeRoy Gross 2016-5-12 9578 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  RSA45219  Salvia dorrii subsp. dorrii J. C. Roos 1949-5-14 4300 San Bernardino 5 miles west of The Windmill; Burns-Pipes Wash, east end San Bernardino Mts. 1220 Comment
  RSA511572  Salvia dorrii subsp. dorrii Ed LaRue, Sharon Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA648302  Salvia dorrii subsp. dorrii Mark Hotchkiss 1977-5-15 s.n. San Bernardino 5 mi. W. of Yucca Valley along Pipes Canyon road. 1250 Comment
  CAS-BOT-BC224815  Salvia mohavensis A. C. Sanders; Petra Wester 2004-6-11 28125 San Bernardino San Bernardino Mtns.: Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCD125610  Salvia mohavensis A. C. Sanders; Petra Wester 2004-6-11 28125 San Bernardino Burns Canyon, upper canyon in vicinity of Burns Spring. 1479 Comment
  UCR139261  Salvia mohavensis A. C. Sanders, Petra Wester 2004-6-11 28125 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA782025  Sambucus mexicana Duncan S. Bell, Amanda Bell 2011-10-8 2968 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0120992  Schismus arabicus Duncan S. Bell 2016-4-17 9345 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0028338  Selaginella bigelovii Duncan S. Bell 2012-5-3 s.n. San Bernardino Sawtooth Mountains; upper reaches of unnamed canyon to the south of Sorrel Horse Canyon, about 0.5 air mile southeast of Chaparrosa Peak and about 3.5 air miles southwest of Pioneertown. 1575 Comment
  UCR139578  Senecio flaccidus var. douglasii A. C. Sanders, Petra Wester 2004-6-11 28144 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA0025142  Senecio flaccidus var. monoensis Duncan S. Bell, Amanda Turek 2010-9-4 1913 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0025247  Senecio flaccidus var. monoensis Duncan S. Bell 2012-9-8 4145 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0094421  Senecio flaccidus var. monoensis Duncan S. Bell 2015-10-2 8709 San Bernardino An unnamed canyon on the Pioneertown Mountains Preserve between Pipes Canyon and Burns Canyon. 1366 Comment
  UCR269183  Senecio flaccidus var. monoensis Duncan S. Bell, Amanda Turek 2010-9-4 1913 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown 1248 Comment
  UCR79285  Senecio flaccidus var. monoensis George K. Helmkamp 1993-9-12 23- 17 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  SD247713  Sidotheca trilobata Duncan S. Bell 2010-5-21 1075 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles wouthwest of Pioneertown. 1281 Comment
  RSA0011397  Sisymbrium altissimum Duncan S. Bell, Amanda Turek 2010-5-30 1147 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0121859  Sisymbrium altissimum Duncan S. Bell 2011-4-23 2359 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; along Water Canyon, approximately 0.5 air mile south of Chaparrosa Spring and approx. 1.9 air miles southwest of Pioneertown. 1248 Comment
  IRVC29327  Sisymbrium irio Mark A. Elvin 2006-4-1 4674 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0031561  Sisymbrium irio Duncan S. Bell 2011-4-23 2351 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  UCR175551  Sisymbrium irio Mark A. Elvin 2006-4-1 4674 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  IRVC29324  Sisymbrium orientale Mark A. Elvin 2006-4-1 4671 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0041528  Sisymbrium orientale Duncan S. Bell 2014-4-25 6663 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  UCR175742  Sisymbrium orientale Mark A. Elvin 2006-4-1 4671 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR269170  Sisymbrium orientale Duncan S. Bell 2011-4-23 2351 San Bernardino San Bernardino Mtns/Mojave Desert, Sawtooth Mountains; in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring 1338 Comment
  IRVC29733  Solanum americanum Mark A. Elvin 2006-10-23 5209 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0050548  Solanum americanum Duncan S. Bell 2014-10-14 7644 San Bernardino Sawtooth Mountains; Pioneertown Mountains Preserve; western section of the range, collecting in Sorrel Horse Canyon to the west of Pioneertown. 1300 Comment
  IRVC29743  Solidago Mark A. Elvin 2006-10-23 5227 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA781930  Solidago californica Duncan S. Bell, Amanda Bell 2011-10-8 2965 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR233966  Solidago californica Duncan S. Bell, Amanda Bell 2011-10-8 2965 San Bernardino Southcentral Mojave Desert, Sawtooth Mountains; c. 1.3 air miles SW of where Pioneertown Rd. crosses Chaparrosa Wash, c. 0.4 air mi. NW of Chaparrosa Spring 1281 Comment
  RSA0060797  Solidago velutina subsp. californica Duncan S. Bell 2014-10-14 7617 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  SD247608  Solidago velutina subsp. californica Duncan S. Bell 2014-10-14 7617 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  UCR274234  Solidago velutina subsp. californica Duncan S. Bell 2014-10-14 7617 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the southwestern section of range 1334 Comment
  IRVC29769  Sonchus asper Mark A. Elvin 2006-10-24 5233 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA0124013  Sonchus asper Duncan S. Bell 2016-6-16 9764 San Bernardino Pioneertown Mountains Preserve; collecting in Pipes Canyon approximately 1.5 air miles southwest of the ranger station, or approx. 1.25 air miles northwest of Chaparrosa Peak. 1451 Comment
  RSA0021299  Sorghum bicolor Duncan S. Bell 2013-4-14 4800 San Bernardino Sawtooth Mountains; Water Canyon, approximately 0.8 air mile southwest of Chaparrosa Spring. 1293 Comment
  CLARK-A1703-84  Sphaeralcea ambigua Dennis Vander Ven 1968-4-20 680420-2 San Bernardino San Bernardino Mountains 1615 Comment
  CSUSB612  Sphaeralcea ambigua Conrad Bahre 1970-5-2 San Bernardino 1.5 miles northwest of Pioneer Town 1371 Comment
  RSA802210  Sphaeralcea ambigua Duncan S. Bell 2010-5-31 1203 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  UCR139580  Sphaeralcea ambigua A. C. Sanders, Petra Wester 2004-6-11 28140 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA479842  Sphaeralcea ambigua subsp. ambigua Jeri Hirshberg 1988-5-3 s.n. San Bernardino Ca 5 mi NW of Pioneertown near Rimrock, 1.5 -2 miles NW of Pipes Canyon Rd between Gamma Gulch Rd & Roadrunner Rut Rd. 1341 Comment
  RSA0036328  Sporobolus airoides Duncan S. Bell 2014-10-14 7626 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve; collecting at a small spring in the southwestern section of range. 1334 Comment
  UCR274233  Sporobolus airoides Duncan S. Bell 2014-10-14 7626 San Bernardino Sawtooth Mountains on the Pioneertown Mountains Preserve, a small spring in the southwestern section of range 1334 Comment
  IRVC29744  Stachys ajugoides var. rigida Mark A. Elvin 2006-10-23 5226 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, just upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1379 Comment
  RSA0103111  Stachys albens Duncan S. Bell 2015-5-23 8324 San Bernardino Collecting on the Pioneertown Mountains Preserve, in Pipes Canyon, approximately 1.75 air miles west southwest from the Preserve headquarters. 1452 Comment
  UCR272177  Stachys albens Duncan S. Bell 2015-5-23 8324 San Bernardino San Bernardino Mountains, Pioneer Mountains Preserve, Pipes Canyon, c. 1.75 air miles west-southwest from the Preserve headquarters 1452 Comment
  RSA0120994  Stanleya pinnata Duncan S. Bell 2016-4-17 9363 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0025144  Stephanomeria exigua Duncan S. Bell, Amanda Turek 2010-9-4 1916 San Bernardino Sawtooth Mountains; collecting in Sorrel Horse Canyon, about 1.25 air miles west of Pioneertown. 1248 Comment
  RSA0046567  Stephanomeria exigua Duncan S. Bell 2014-4-25 6655 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0055809  Stephanomeria exigua Duncan S. Bell 2014-4-5 6571 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; about 2 air miles southwest of Pioneertown, or about 1.75 air miles northeast of Chaparrosa Peak. 1315 Comment
  RSA802206  Stephanomeria exigua Duncan S. Bell 2010-5-31 1193 San Bernardino Sawtooth Mountains; about 1.25 air mile southwest of Pioneertown, and approximately 0.5 air mile northwest of Chaparrosa Spring. 1281 Comment
  SD140175  Stephanomeria exigua G. Helmkamp 1993-9-12 23 4 San Bernardino Burns Canyon in the vicinity of Burns Spring 1520 Comment
  RSA479832  Stephanomeria exigua subsp. exigua Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA801854  Stephanomeria parryi Duncan S. Bell 2010-5-31 1219 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA782030  Stephanomeria pauciflora Duncan S. Bell, Amanda Bell 2011-10-8 2973 San Bernardino Sawtooth Mountains: approximately 1.3 air miles southwest from where Pioneertown road crosses Chaparrosa Wash, and approximately 0.4 air mile northwest of Chaparrosa Spring. 1281 Comment
  RSA0027530  Stephanomeria virgata Duncan S. Bell, Amanda Turek 2010-9-5 1930 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0123186  Stipa cernua Duncan S. Bell 2016-4-18 9388 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA0123996  Stipa parishii Duncan S. Bell, LeRoy Gross 2016-5-12 9565 San Bernardino Bighorn Mountains; collecting in Antelope Creek, approximately 1 air mile southeast of the summit of Black Mountain, or about 6.75 air miles northwest of Pioneertown. 1483 Comment
  GMDRC5033  Stipa parishii var. parishii J. Andre 2011-5-16 17183 San Bernardino Little San Bernardino Mountains: just north of Pioneertown along Pioneertown Rd (north side) 6.1 mi. NNW of Hwy 62 (at Yucca Valley) 1239 Comment
  UCR233495  Stipa parishii var. parishii Jim Andre 2011-5-16 17183 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  RSA0095334  Stipa speciosa Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7943 San Bernardino Collecting in the bouldery valley between Black Lava Butte and Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1291 Comment
  RSA0104090  Stipa speciosa Duncan S. Bell 2015-3-14 7856 San Bernardino The southeast side of Black Lava Butte, west of Flat Top Mesa, at the southeastern end of the Bighorn Mountains. 1338 Comment
  UCR233493  Stipa speciosa Jim Andre 2011-5-16 17185 San Bernardino Little San Bernardino Mountains, just north of Pioneertown along north side of Pioneertown Road 6.1 mi north northwest of Hwy 62 at Yucca Valley 1239 Comment
  UCR272187  Stipa speciosa Duncan S. Bell 2015-4-2 7943 San Bernardino San Bernardino Mountains, bouldery valley between Black Lava Butte and Flat Top Mesa, at the southeastern end of the Bighorn Mountains 1291 Comment
  UCR274880  Stipa speciosa J. R. Olson 1969-5-18 018 San Bernardino Mojave Desert/San Bernardino Mtns., 1 mile west of Rimrock Road and Burns Canyon Road junction, on side of Burns Canyon Road 1407 Comment
  UCR274207  Streptanthella longirostris Duncan S. Bell 2010-5-21 1061 San Bernardino San Bernardino Mountains, Pioneertown Mountains Preserve, Sawtooth Mountains, an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash 1305 Comment
  UCR157872  Stylocline A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16876 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0053754  Stylocline psilocarphoides Duncan S. Bell 2010-5-21 1087 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; in the canyons at the head of Chaparrosa Wash about 0.25 air mile north of Chaparrosa Spring. 1269 Comment
  RSA479831  Stylocline psilocarphoides Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR233517  Stylocline psilocarphoides Jim Andre 2011-5-16 17161 B San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  IRVC29298  Syntrichopappus fremontii Mark A. Elvin 2006-4-1 4719 San Bernardino Pipes Canyon Preserve; N of Pioneertown Road; in hills near drainage. Southern Mojave Desert, Little San Bernardino Mtns 1250 Comment
  IRVC29336  Syntrichopappus fremontii Mark A. Elvin 2006-4-1 4683 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0040163  Syntrichopappus fremontii Duncan S. Bell 2014-4-25 6608 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0120541  Syntrichopappus fremontii Duncan S. Bell 2016-4-17 9365 San Bernardino Pioneertown Mountains Preserve; collecting in a narrow meandering drainage to the north of Pipes Canyon. 1392 Comment
  RSA0120857  Syntrichopappus fremontii Duncan S. Bell 2016-4-17 9355 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0123341  Syntrichopappus fremontii Duncan S. Bell 2016-4-18 9385 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA479833  Syntrichopappus fremontii Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  UCR129512  Syntrichopappus fremontii A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12290 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR233527  Syntrichopappus fremontii Jim Andre 2011-5-16 17151 San Bernardino Mojave Desert, along Pioneertown Road, 7.2 mi north northwest of Hwy 62 at Yucca Valley just east of Pipes Canyon, just west of Black Hill 1301 Comment
  UCR50801  Syntrichopappus fremontii Jeri Hirshberg 1988-5-4 s.n. San Bernardino Mojave Desert, c. 5 mi NW of Pioneertown near Rimrock, 1.5 to 2 mi NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road 1341 Comment
  UCR7757  Syntrichopappus fremontii Dennis Vander Ven 1968-4-20 s.n. San Bernardino San Bernardino Mtns., 5 miles above Rimrock [on Burns Canyon Rd.], right at red cabin to left, 2.3 miles to Mitchell's cabin, the last one 1616 Comment
  UCR86566  Syntrichopappus fremontii A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16862 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  UCR86668  Syntrichopappus fremontii A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16825 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC109  Syntrichopappus fremontii A. C. Sanders 1995-4-30 16862 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  CDA26006  Tamarix ramosissima Mark A. Elvin 2006-10-24 5234 San Bernardino Southern Mojave Desert; Little San Bernardino Mountains; Pipes Canyon Preserve; Pipes Canyon, Pipes Creek, circa 1.9 kilometers upstream from the ranch house and parking lot. Comment
  IRVC29768  Tamarix ramosissima Mark A. Elvin 2006-10-24 5234 San Bernardino Pipes CanyonPreserve; Pipes Canyon, Pipes Creek, ca. 1.9 km upstream from the ranch house and parking lot. Southern Mojave Desert, Little San Bernardino Mtns 1418 Comment
  RSA0027534  Tamarix ramosissima Duncan S. Bell, Amanda Turek 2010-9-5 1934 San Bernardino Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chaparrosa Peak, about 3.5 air miles west of Pioneertown. 1532 Comment
  RSA0050369  Tamarix ramosissima Duncan S. Bell 2010-5-21 1055 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; collecting in an unnamed canyon between Sorrel Horse Canyon and Chaparrosa Wash. 1252 Comment
  RSA516739  Tamarix ramosissima Ed LaRue, S. Dougherty, S. Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  RSA802104  Tauschia parishii Duncan S. Bell 2010-5-31 1179 San Bernardino Sawtooth Mountains; approximately 1.25 air mile southwest of Pioneertown, and approx. 0.75 air mile north of Chaparrosa Spring. 1249 Comment
  SBBG50831  Tauschia parishii R. S. Woglum 1941-5-12 3083 San Bernardino Pipes Cyn off Morongo Valley toward Mt San Gorgonio Comment
  UCR260187  Tauschia parishii Duncan S. Bell 2010-5-31 1179 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains; c. 1.25 air mile southwest of Pioneertown, and c. 0.75 air mile north of Chaparrosa Spring 1249 Comment
  OBI2139  Tetradymia axillaris var. longispina P. A. Holden 1970-4-20 1102 San Bernardino 8 mi N of Yucca Valley in upper Pipes Cyn Comment
  RSA0120874  Tetradymia axillaris var. longispina Duncan S. Bell 2016-4-17 9357 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA479821  Tetradymia axillaris var. longispina Jeri Hirshberg 1988-5-3 s.n. San Bernardino Mojave Desert, ca. 5.0 miles NW of Pioneertown near Rimrock, 1 1/2 to 2 miles NW of Pipes Canyon Road between Gamma Gulch Road and Roadrunner Rut Road. 1341 Comment
  RSA511569  Tetradymia axillaris var. longispina Ed LaRue, S. Dougherty, Steve Myers 1989-4-17 s.n. San Bernardino 1/2 mi W of Bowden Flat, on a stream channel that runs through Burns Canyon, ca1 mi SE of town of Rimrock. Pipe's Road traverses site. Comment
  UCR86676  Tetradymia spinosa A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16807 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  VVC113  Tetradymia spinosa A. C. Sanders 1995-4-30 16807 San Bernardino San Bernardino Mtns, Rimrock, 4.1 mi N of Pioneertown, dirt track W from Rimrock Road, S of Burns Canyon 1372 Comment
  NY201222  Tetradymia stenolepis C. R. Annable 1995-3-14 2278 San Bernardino Near Flamingo Heights, Hondo St, 2.7km E of Hwy 247 Comment
  UCR79299  Tetradymia stenolepis George K. Helmkamp 1993-9-12 23- 15 San Bernardino San Bernardino Mtns., edge of Burns Canyon 1375 Comment
  IRVC29350  Thysanocarpus curvipes Mark A. Elvin 2006-4-1 4697 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA0011407  Thysanocarpus curvipes Duncan S. Bell, Amanda Turek 2010-5-30 1137 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  RSA0053746  Thysanocarpus curvipes Duncan S. Bell 2010-5-21 1076 San Bernardino Pioneertown Mountains Preserve; Sawtooth Mountains; just to the west of Chaparrosa Wash, approximately 1.4 air miles southwest of Pioneertown. 1281 Comment
  UCR128592  Thysanocarpus curvipes A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12281 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR175544  Thysanocarpus curvipes Mark A. Elvin 2006-4-1 4696 San Bernardino Southern Mojave Desert, Little San Bernardino Mtns: Pipes Canyon Preserve; Sorrel Horse Canyon south of Pioneertown Road, along wash and ridge to the south 1220 Comment
  UCR86562  Thysanocarpus curvipes A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16879 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA0025644  Thysanocarpus desertorum Duncan S. Bell 2011-4-23 2309 San Bernardino Sawtooth Mountains; collecting in rugged boulder piles about a mile south of Pioneertown and about 0.75 air mile east of Chaparrosa Spring. 1338 Comment
  RSA0040158  Thysanocarpus desertorum Duncan S. Bell 2014-4-25 6613 San Bernardino The Pioneertown Mountains Preserve; Black Hill, just to the north of Pioneertown. 1361 Comment
  RSA0124158  Thysanocarpus desertorum Duncan S. Bell, Amanda Turek 2010-5-30 1155 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  IRVC29349  Thysanocarpus laciniatus Mark A. Elvin 2006-4-1 4696 San Bernardino Pipes Canyon Preserve; Sorrel Horse Cyn, S of Pioneertown Road along wash and ridge to the S. Southern Mojave Desert, Little San Bernardino Mtns 1220 Comment
  RSA801859  Triticum aestivum Duncan S. Bell 2010-5-31 1222 San Bernardino Sawtooth Mountains; Sorrel Horse Canyon; about 1.25 air miles west of Pioneertown, and approximately 1 air mile north of Chaparrosa Spring. 1254 Comment
  RSA802009  Turricula parryi Duncan S. Bell, Amanda Turek 2010-5-30 1157 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1 air mile northeast of Chaparrosa Peak. 1499 Comment
  RSA0027696  Typha domingensis Duncan S. Bell 2012-9-8 4134 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0028341  Typha latifolia Duncan S. Bell 2012-3-17 3157 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  UCR79296  Typha latifolia George K. Helmkamp 1993-9-12 22- 14 San Bernardino San Bernardino Mtns, Burns Canyon, in the vicinity of Burns Spring 1524 Comment
  RSA0120860  Uropappus lindleyi Duncan S. Bell 2016-4-17 9352 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  RSA0025105  Viguiera parishii Duncan S. Bell 2012-3-17 3163 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  RSA0123343  Xylorhiza tortifolia Duncan S. Bell 2016-4-18 9387 San Bernardino Sawtooth Mountains; northwestern section of range, approximately 3 air miles west northwest of Pioneertown, or about 1.5 air miles northeast of Chaparrosa Peak. 1476 Comment
  RSA0120873  Yucca brevifolia Duncan S. Bell 2016-4-17 9358 San Bernardino The Sawtooth Mountains on the Pioneertown Mountains Preserve; central section of the range, approximately 2 air miles east of Chaparrosa Peak. 1371 Comment
  SEINET876321  Yucca brevifolia H. S. Gentry, L. McG 1976-1 23662 San Bernardino ca. 3/4 mile NW of Pioneertown, San Bernardino Co. Comment
  SEINET2059365 Image available Yucca brevifolia var. herbertii Howard S. Gentry, L. McGill 1976-7-8 23661 San Bernardino Ca. 3/4 mi NW of Pioneertown 1219 Comment
  SEINET2059367 Image available Yucca brevifolia var. herbertii Howard S. Gentry, L. McGill 1976-7-8 23662 San Bernardino Ca. 3/4 mi NW of Pioneertown 1219 Comment
  UCR86576  Yucca schidigera A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16875 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  VVC544  Yucca schidigera A. C. Sanders, J. Mac 1995-4-30 16875 San Bernardino San Bernardino Mtns, Burns Canyon, 2.1 mi above Rimrock Rd, just below Burns Spring 1585 Comment
  RSA802001  Yucca whipplei Duncan S. Bell, Amanda Turek 2010-5-30 1149 San Bernardino Sawtooth Mountains; approximately 3 air miles west of Pioneertown, and about 1.25 air miles northeast of Chaparrosa Peak. 1463 Comment
  UCD121473  Zeltnera exaltata G. Helmkamp 1993-9-22 34 -16 San Bernardino Burns Canyon, 6.7 mi up from junction of Pioneer Town and Pipes Cyn Rds. 1524 Comment
  JEPS62242  Zigadenus brevibracteatus W. L. Jepson 1914-5-14 5956 San Bernardino 7 mi nw Warren's Well (n of Shay's Well); Mohave Desert Comment
  RSA0024952  Ziziphus parryi Duncan S. Bell 2012-9-8 4149 San Bernardino Sawtooth Mountains; collecting in Water Canyon, about 2 miles south of Pioneertown. 1160 Comment
  RSA0025101  Ziziphus parryi Duncan S. Bell 2012-3-17 3167 San Bernardino Sawtooth Mountains; Water Canyon, about 0.8 air mile southeast of Chaparrosa Spring and about 1.75 air miles southwest of Pioneertown. 1229 Comment
  UCR269191  Ziziphus parryi Duncan S. Bell 2012-9-8 4149 San Bernardino San Bernardino Mtns./Mojave Desert, Sawtooth Mountains, in Water Canyon, about 2 miles south of Pioneertown 1160 Comment



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