Search Results — 953 specimen records retrieved (899 records with coordinates)
Results for search: Scientific name=Hilaria rigida (including nomenclatural synonyms);   More information: Jepson Online Interchange
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC177173  Hilaria rigida Sarah J. DeGroot; Angela Gatto 2003-4-20 2458 San Bernardino Whipple Mountains: Old road heading west from Copper Basin, off Bowman's wash road 421 Comment
  CAS-BOT-BC177356  Hilaria rigida Sarah J. De Groot; Leland Lubinsky 2004-10-16 4466 San Bernardino Whipple Mountains: Ridge S of middle fork of Whipple Wash, NE of large dark bluff 634 Comment
  CAS-BOT-BC227256  Hilaria rigida A. C. Sanders; A. Howald 2010-9-21 38604 Inyo Northeastern Mojave Desert: Pahrump Valley, east of the Nopah Range and NE of Calvada Springs, State Line Rd. 1.9 miles north of Old Spanish Trail Hwy 809 Comment
  CAS-BOT-BC247106  Hilaria rigida Sarah J. De Groot; Tasha LaDoux 2003-5-20 2916 San Bernardino Whipple Mountains: Hills between War Eagle Mine and summit ridge 519 Comment
  CAS-BOT-BC247108  Hilaria rigida Sarah J. De Groot; Tasha LaDoux 2003-5-19 2882 San Bernardino Whipple Mountains: Copper Basin Dunes OHV area near Echo Lodge, along Parker Dam road 120 Comment
  CAS-BOT-BC248866  Hilaria rigida Sarah J. De Groot; J. Mark Porter 2003-9-28 3212 San Bernardino Whipple Mountains: Near west end of Copper Basin, upper Bowman's Wash. Along old road into BLM Wilderness area 450 Comment
  CAS-BOT-BC248867  Hilaria rigida Sarah J. De Groot; J. Mark Porter 2003-9-28 3222 San Bernardino Whipple Mountains: Along Highway 95 between Vidal Junction and Vidal 239 Comment
  CAS-BOT-BC289172  Hilaria rigida Steve Castagnoli; Greg de Nevers; R. Doug Stone 1980-4-23 050 San Bernardino Bajada above Kingston Wash, SE flank of range, 0.25 mi. N of BM 2646, Kingston Range 822 Comment
  CAS-BOT-BC289173  Hilaria rigida J. C. Roos 1965-9-5 s.n. Riverside 18 miles w. of Blythe Comment
  CAS-BOT-BC289174  Hilaria rigida K. Bonner 1977-10-30 60062 B Riverside 7.5 mi. N. of Midland on Rice Road 274 Comment
  CAS-BOT-BC289175  Hilaria rigida J. Von Loh 1978-1-23 60325 A Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  CAS-BOT-BC289176  Hilaria rigida Barry Prigge 1978-4-21 2551 San Bernardino 2.9 miles NW of Lavic near railroad crossing, Mojave Desert 640 Comment
  CAS-BOT-BC289177  Hilaria rigida Sarah J. De Groot; J. Mark Porter 2003-10-10 3317 San Bernardino Chute below summit of Cupcake Butte, north of Whipple Wash, Whipple Mountains 790 Comment
  CAS-BOT-BC289178  Hilaria rigida Sarah J. De Groot; J. Mark Porter; Lauren Machen 2003-10-9 3259 San Bernardino Wash beside Atchison, Topeka and Santa Fe Railroad tracks just E of Vidal and Highway 95, Whipple Mountains 175 Comment
  CAS-BOT-BC289179  Hilaria rigida Sarah J. De Groot; Naomi Fraga 2003-10-26 3410 San Bernardino West of Copper Basin, bluff at end of road into BLM Wilderness area from Bowman's Wash, upper Whipple Wash, Whipple Mountains 668 Comment
  CAS-BOT-BC289180  Hilaria rigida Steve Boyd; Tammy Morgan 2004-3-30 10683 San Bernardino Southern end of the Cady Mountains northwest of Ludlow, north of Interstate 40, about hill topped with communication towers, Mojave Desert, Central Mojave Desert region 1005 Comment
  CAS-BOT-BC289181  Hilaria rigida J. Latting 1977-12-11 s.n. Imperial East side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road, Sonoran Desert 68 Comment
  CAS-BOT-BC421674  Hilaria rigida Sarah J. De Groot; Grace Cho 2013-9-26 7014 San Bernardino Northeast San Bernardino Mountains, Bighorn Mountain area: top of hill along Bighorn Mountain ridge, at summit '5641'. 1720 Comment
  CAS-BOT-BC421677  Hilaria rigida Sarah J. De Groot; Cheryl Sevilla 2014-5-14 7119 San Bernardino Bighorn Mountains: Along the south side of Hondo Wash, BLM road RC 1418 off the end of Tracy Blvd, west of Flamingo Heights. Northeast tip of Black Lava Butte. 1143 Comment
  CAS-BOT-BC421678  Hilaria rigida Sarah J. De Groot; Deidre Conocchioli; Duncan Bell; Perrine Veguer 2014-4-16 7068 San Bernardino Bighorn Mountains: New Dixie Mine Road (BLM RC 2330) at eastern-most big wash, southeast of Ruby Mountain, west of Landers. 1143 Comment
  CAS-BOT-BC422339  Hilaria rigida Sarah J. De Groot; Cheryl Sevilla 2014-5-21 7131 San Bernardino Bighorn Mountains: Bighorn Wilderness area, along road toward old mine, west of Vaughn Spring. Northwest of Pioneertown and Yucca Valley, north of Tip Top Mountain. 1826 Comment
  CAS-BOT-BC541412  Hilaria rigida Sarah J. De Groot; Cheryl Sevilla 2015-9-29 7591 San Bernardino Newberry Mountains; along Camp Rock Road at SW end of narrows. N of Ord Mountain an Aztec Spring, ESE of Barstow 1162 Comment
  CAS-BOT-BC541413  Hilaria rigida Sarah J. De Groot; Duncan S. Bell 2015-10-13 7594 Riverside Santa Rosa Mountains, SSW of Palm Desert. Along Carrizo Rd just NW of Hwy 74 1057 Comment
  CAS-BOT-BC94598  Hilaria rigida R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-22 699 San Diego Borrego Springs. Intersection of Borrego Springs Rd and Henderson Canyon Rd. 300 Comment
  CHSC26113  Hilaria rigida James Henrickson 1969-10-19 4208 San Diego In Lower Borrego Valley along Old Kane Springs Road ca. 12 air mi. SE of Borrego Springs. 60 Comment
  CHSC30629  Hilaria rigida Sandra C. Morey 1980-4-5 32 San Bernardino Kelso Dunes, ca. 10 mi. s of Kelso. 804 Comment
  CHSC60202  Hilaria rigida J. Lund 1980-4-1 San Diego On the north-east side of Montazuma and Palm Canyon Dr. in Borrego Springs. Comment
  CHSC60203  Hilaria rigida J. Lund 1980-4-1 San Diego 5.0 miles north of Borrego Springs on west side of S3 Road, 213 Comment
  CHSC8211  Hilaria rigida Dave Isle 1969-4-28 413 San Bernardino HW 62 about 2 miles E. of Yucca Valley. 30 Comment
  CLARK-A1045-685  Hilaria rigida George K. Helmkamp 1978-5-6 San Bernardino Mojave Desert Kingston Road; Clark Mt 15'Q Comment
  CLARK-A1045-850  Hilaria rigida George K. Helmkamp 1977-5-29 San Bernardino Mesquite Mountains Clark Mt. 15'Q Comment
  CLARK-A1528-1270  Hilaria rigida C. M. McKell, N. J. Chatterton 1966-4-26 San Bernardino Colton Well Comment
  CLARK-A1528-4680  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Coachella Valley Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  CLARK-A1528-63  Hilaria rigida Edson Follett 1962-7-19 117 San Diego Canebrake Canyon Comment
  CSUSB454  Hilaria rigida Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  GH341006  Hilaria rigida M. F. Spencer 1922-4-13 831 Unknown Palm Springs, Colorado Desert, California 121 Comment
  GH341007  Hilaria rigida V. G. Duran 1935-5-12 3199 Unknown Head of Box Canyon, near Mason Valley, San Diego County. Comment
  GH341008  Hilaria rigida I. L. Wiggins 1941-5-24 9612 Unknown 6 miles northeast of Niland on road to Beal Well. Imperial Co. Comment
  GH341009  Hilaria rigida R. J. Ferris & R. C. Bacigalupi 1958-03-19 - 1958-03-25 13233 Unknown 2. 4 mi. S of Rice, on road to Midland and Blythe Comment
  GH341010  Hilaria rigida S. B. Parish 1896-04-04 - 1896-04-13 4145 Unknown Palm Springs, (Agua Caliente,) base of San Jacinto Mt. 152 Comment
Read comments
Oct 1 2019
  GH341011  Hilaria rigida G. H. Thomas Unknown Fort Yuma, Calif Comment
  GH341013  Hilaria rigida M. E. Jones 1929-9-16 24755 Unknown East of Desert Center Comment
Read comments
Oct 30 2012
  GH341015  Hilaria rigida M. F. Spencer 1920-3-17 1529 Unknown White Water - Colorado Desert, California 152 Comment
  GH341016  Hilaria rigida R. J. Ferris & R. P. Rossbach 1938-5-14 9500 Unknown 1.5 miles from Box S Ranch on raod to Box S Springs. San Bernadino Co. Comment
  GH341017  Hilaria rigida L. Abrams 1903-8-2 3155 Unknown Signal Mt. Colorado desert Comment
Read comments
Jul 15 2014
  GH341020  Hilaria rigida A. M. Carter & F. Chisaki 1953-4-5 3235 Unknown 20 miles south of Needles, San Bernadino County. Comment
  GMDRC639  Hilaria rigida B. Pitzer 1998-11-14 3822 San Bernardino Mojave Desert: Piute Mtns, 2 mi. SW of entrance to I-40 at Mountain Springs Rd, on Rte 66. 34d 49.2'N, 115d 04.5'W. 2700 823 Comment
  GMDRC8128  Hilaria rigida J. M. Andre 2016-4-18 34431 San Bernardino Castle Mountains: in newly designated CM National Monument; fenceline road along base of westernmost hill of mine tailings, approx. 1.5 mi. SW of Hart Mine area 1279 Comment
  HSC10116  Hilaria rigida C. R. Phillips 1964-3-26 San Diego 7 mi. NE of Borego Springs. Comment
  HSC10117  Hilaria rigida C. L. Hitchcock 1966-3-16 24216 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  HSC10118  Hilaria rigida C. L. Hitchcock, C. V. Muhlick 1964-3-19 23160 Imperial 3 mi. S of Ocotillo Well, on the road to Fish Creek Comment
  HSC102842  Hilaria rigida J. P. Smith, J. Andre, R. J. Cole 2012-9-14 13644 San Bernardino Mojave National Preserve; in Cima. 1256 Comment
  HSC25117  Hilaria rigida James Henrickson 1969-10-19 4208 San Diego In Lower Borrego Valley, along Old Kane Rd., 12 air mi. SE of Borrego Springs. 610 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  HSC27308  Hilaria rigida J. O. Sawyer 1973-3-25 2479 Imperial W of Algodones Dunes 1 mile S of Glamis. 5 Comment
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  HSC35006  Hilaria rigida Richard Spjut 1972-3-13 2262 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  HSC38772  Hilaria rigida J. D. Ackerman, A. M. Montalvo 1974-3-27 162 Imperial 1 mi. W of 1000 ft. marker, Hwy. 8. Comment
  HSC58985  Hilaria rigida Gilbert Muth 1968-3-18 783 San Diego Near Ocotillo Flat 336 Comment
  HSC66475  Hilaria rigida Christopher Davidson, A. P. Romspert, Harvey Surprenant 1979-4-28 7785 Imperial Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob 79 Comment
  HSC66815  Hilaria rigida D. Goforth, D. Reed 1980-3-26 370 San Diego Anza Borrego Desert State Park, 1 mi. N of Palm Canyon Camp. 305 Comment
  HSC99874  Hilaria rigida Jim Andre 2010-4-23 13738 San Bernardino Granite Mtns., Mojave National Preserve, along powerline road, 6 mi. SW of Kelso Dunes at Budweiser Wash 591 Comment
  IRVC26118  Hilaria rigida A. C. Sanders, Mark A. Elvin 2003-10-5 27277 San Bernardino along Hwy 62 east of Twentynine Palms, ca. 1 mile east of Old Dale Southern Mojave Desert 390 Comment
  IRVC26570  Hilaria rigida Mark A. Elvin 2004-4-9 3293 San Bernardino Ca. 1.5 miles E of Pioneertown, UC Burns Pinyon Ridge Reserve, SW portion, in North Railroad Canyon. Little San Bernardino Mountains 1098 Comment
  IRVC26931  Hilaria rigida A. C. Sanders, Mark A. Elvin 2004-10-10 28955 San Bernardino south end of the Sheephole Mtns. along Hwy 62, 2.8 miles west of Clarks Pass, 26.2 miles east of Utah Trail in Twentynine Palms Southern Mojave Desert 530 Comment
  IRVC29894  Hilaria rigida Mark A. Elvin 2004-10-7 3802 San Bernardino Large valley plain ca. 9 mi. SW (air) of Hector's Mine, NW of Iron Ridge. Southern Mojave Desert 1189 Comment
  JEPS123809  Hilaria rigida J. Andre with T. La Doux, H. Bartosh, R. Preston, JEPS Herbarium Workshop 2010-3-18 11947 San Bernardino Sacramento Mountains; eastern end of Sacramento Mountains, along dirt road 4 miles S of I-40 at Highway 95 Junction, approx. 1 miles E of Flattop Mountain and 2 miles S of Eagle Peak. 7.5' Quad: Flattop Mountain. Comment
  JOTR33001  Hilaria rigida Andre, Jim, Tasha La Doux 2010-4-2 19591 San Bernardino Joshua Tree National Park. Pinto Mountains; 1.5 mi southeast of Clarks Pass (Hwy 62) 568 Comment
  JOTR33120  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  JOTR33121  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  JOTR33122  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  JOTR35052  Hilaria rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3504 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  JOTR35984  Hilaria rigida Harding, Mitzi, Mark Wheeler 2012-9-4 195 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  JOTR36242  Hilaria rigida Hodges, Stephen R., Hannah Schwalbe 2015-9-23 695 San Bernardino Joshua Tree National Park. Pinto Mountains, between the eastern edge of the mountains and Clarks Pass, before highway 62 turns north Comment
  LA26683  Hilaria rigida William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  LA8279  Hilaria rigida F. R. Fosberg; 1932-4-23 8044 San Bernardino branch road to Rich's Well, 15 mi. E of Old Woman Springs Comment
  LA8280  Hilaria rigida Marcus E. Jones; A. M. 1929-9-16 sn Riverside E of Desert Center Comment
  LA8281  Hilaria rigida Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  LA8282  Hilaria rigida Miss C. M. Wilder; May 1910 2915 Riverside near Palm Springs Comment
  LA8283  Hilaria rigida Victor Duran; 1932-5-12 3199 San Diego head of Box Canyon, near Mason Valley Comment
  LA8284  Hilaria rigida Roxana S. Ferris; Ruth P. Rossbach 1938-5-14 9500 San Bernardino 1.5 mi. from Box S Ranch on road to Box S Springs Comment
  LA8285  Hilaria rigida Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  LA8286  Hilaria rigida Carl Epling; March 1927 sn Imperial near Salton Sea Comment
  LA99016  Hilaria rigida C. A. Barber; 1970-4-18 1017 San Bernardino Granite Mountains, Powerline Road, N of Granite Mountains Comment
  LA99245  Hilaria rigida Paul Leskinen; 1970-5-31 547 San Bernardino Granite Mountains, below Coyote Springs 3200.0 +- ft Comment
  NY43246  Hilaria rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  OBI18911  Hilaria rigida David J. Keil, Donald Pinkava, Bruce Parfitt, Malcolm McLeod 1979-3-19 12999 San Diego About 3 mi W of Ocotillo Wells, just outside of e boundary of Anza-Borrego State Park Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  OBI26121  Hilaria rigida David J. Keil 1976-12-12 11925 Riverside Along I-10, 37 mi E of chiriaco Summit Comment
  OBI30756  Hilaria rigida Rhonda Riggins 1982-4-14 1337 San Bernardino Joshua Tree Natl Monument. Monument Rd 3.4 mi S entrance, 7.6 mi N jctn Keys View Rd Comment
  OBI32453  Hilaria rigida Rhonda Riggins 1983-3-21 1472 San Bernardino Amboy-29 Palms Rd, 1.7 mi E The Palms Comment
  OBI34939  Hilaria rigida F. C. Vasek 1978-4-22 s.n. San Bernardino Sheephole Mtns- cyn above Sheephole Pass. Sect 7 (SE corner) T2n, R12 E 975 Comment
  OBI35036  Hilaria rigida Sears 1978-3-17 900 San Bernardino Approx. 20 mi N of Vidal Jct near dirt rd going W into the N edge of the Turtle Mts. T4N, R22E, Sec 21 and 22 335 Comment
  OBI70074  Hilaria rigida S. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. Ross 1988-4-8 1742 San Bernardino W side of Ord Mtn. N of Lucerne Valley. 15 mi S of I-40 on Camp Rock Rd near Tyler Valley 1524 Comment
  OBI75931  Hilaria rigida James M. Andre 2010-6-2 15543 San Bernardino New York Mts; Mojave Natl Preserve; along dirt rd to Mail Spring, 0.2 mi SW of spring area 1537 Comment
  OBI75932  Hilaria rigida James M. Andre, G. L. Clifton 2011-2-21 15879 San Diego Borrego Desert; along Hwy S-22 15.3 mi E of Borrego Springs at base of Smoke Tree Cyn 268 Comment
  RSA0035426  Hilaria rigida Melvin M. Sweet 2010-3-27 910 San Diego Anza-Borrego Desert State Park; 0.4 miles S of State Hwy 78, along the Mine Wash Jeep Trail, which intersects Hwy 78 2.8 miles east of County Route S3 (Yaqui Pass). 400 Comment
  RSA0059851  Hilaria rigida Sarah J. De Groot, Naomi Fraga, Cheryl Sevilla, Silvia Olivares 2014-8-23 7268 San Bernardino Nipton Road about 0.25 mile southeast of I-15, southwest of Ivanpah Lake, west of Nipton, and west of Ivanpah Road. Wheaton Wash drainage area. East of Mescal/Ivanpah Range and Clark Mountain. 1050 Comment
  RSA0073446  Hilaria rigida Jim Andre, Glenn Clifton 2013-3-5 24334 San Bernardino Whipple Mountains; south side of range, along rough dirt road 0.6 mi. N. of Hwy 62, 12.5 mi. west of Colo. River (at Parker), approx. 3 mi. east of Vidal Jct. 314 Comment
  RSA0078216  Hilaria rigida Sarah J. De Groot, Cheryl Sevilla 2015-9-29 7591 San Bernardino Newberry Mountains; along Camp Rock Road at southwest end of narrows. North of Ord Mountain and Aztec Spring, east-southeast of Barstow. 1162 Comment
  RSA0080221  Hilaria rigida J. M. Andre 2013-4-10 24493 San Bernardino Old Woman Mountains; Carbonate Gulch, just west of Dripping Spring, 3.2mi east (upstream) from lower entrance to canyon, NW end of range, ~9 mi south of Danby, about 9 mi east of Ship Mtn. 1037 Comment
  RSA0087485  Hilaria rigida Thomas R. Stoughton, Sarah J. De Groot 2016-2-23 2096 San Bernardino Pinto Mountains area, E of Humbug Mountain off Gold Crown Road. 610 Comment
  RSA0087828  Hilaria rigida Sarah J. De Groot, Duncan S. Bell 2015-10-13 7594 Riverside Santa Rosa Mountains, south-southwest of Palm Desert. Along Carrizo Road just northwest of Highway 74. 1057 Comment
  RSA0093321  Hilaria rigida Thomas R. Stoughton, Sarah J. De Groot 2016-2-23 2056 San Bernardino NE slope of San Bernardino Mountains off highway 247 at New Dixie Mine Road. 1158 Comment
  RSA0099448  Hilaria rigida Duncan S. Bell, Evan Meyer 2014-10-29 7692 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA0106578  Hilaria rigida Duncan S. Bell, Amanda Turek 2010-4-9 736 San Bernardino About 5 air miles northwest of the Arica Mountains; collecting in sand dunes to the south of Highway 62. 251 Comment
  RSA0107461  Hilaria rigida Duncan S. Bell 2011-9-30 2944 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA0117626  Hilaria rigida Sarah J. J. De Groot 2016-3-22 7692 San Bernardino Clipper Mountains, south side, just west of Bonanza Spring; road NS 206 ca. 3 miles northwest of Highway 66. South of Interstate 40, northwest of Danby, west-southwest of Essex. 642 Comment
  RSA0117898  Hilaria rigida Sarah J. J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains: Slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  RSA0118147  Hilaria rigida Sarah J. J. De Groot, Rachel Darney-Lane 2016-9-28 8033 San Bernardino Whipple Mountains Wilderness, northwest of Parker, AZ, and south of Havasu Lake. North slope of mountains 1.2 air miles north-northwest of Axtel 4130, 2.2 air miles south-southeast of War Eagle No. 1 mine., Between 34.32973 N, 114.42244 W and [given coordinates]. 624 Comment
  RSA0123187  Hilaria rigida Duncan S. Bell 2016-4-19 9407 San Bernardino Pipes Wash, collecting between Black Hill and Flat Top Mesa, approximately 2 air miles north of Pioneertown. 1203 Comment
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  RSA651787  Hilaria rigida Marion P. Harthill 1973-3-29 1640 b San Bernardino Zzyzx. 304 Comment
  RSA651788  Hilaria rigida Marion P. Harthill 1973-3-29 1640 -a San Bernardino Zzyzx. 304 Comment
  SACT001282  Hilaria rigida Marcus Jones 1929-9-16 Riverside Comment
  SD10545  Hilaria rigida Frank F. Gander 1935-3-7 137 10 San Diego About 5 miles east of the Narrows, northeast San Diego County Comment
  SD112835  Hilaria rigida Darley F. Howe 1938-4-15 629 San Diego Borego Valley State Park. (IPB 3/07) Comment
  SD124684  Hilaria rigida A. C. Sanders, Et al. 1986-3-8 6155 Imperial N end of Algodones Dunes, East Mesa at E end of Montgomery Road, ca. 1 mile E of Highline Canal 17 Comment
  SD129177  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 kilometers (airline) south of the Tabaseca Tank, along the wash above Tabaseca Target (UTM: 11S, PH-35E, 07N) 680 Comment
  SD133226  Hilaria rigida B. Pitzer 1991-6-4 1746 San Bernardino 29 Palms Marine Corps Base, Emerson Range, ca. 4 kilometers south of Hidalgo Mountain (ca. due east of north end of Artillery Hill) 730 Comment
  SD139716  Hilaria rigida Jon P. Rebman, Maggie Loy 1996-10-27 3771 Imperial North of Glamis, Algodones Dunes. (IPB 10/07) 60 Comment
  SD139834  Hilaria rigida Christopher Christie 1997-1-20 61 San Bernardino Chemehuevi Mountains Wilderness Area; Quad: Whale Mountain; Meridian: San Bernardino; UTM Zone: 11S; 0718140 East, 3838210 North 530 Comment
  SD144115  Hilaria rigida G. K. Helmkamp, E. Helmkamp 1998-1-24 Imperial Gravel Rd S of Hwy I-8. Rocky hills at W edge of Fort Yuma Indian Reservation 60 Comment
  SD14528  Hilaria rigida Frank F. Gander 1936-4-14 1318 San Diego Borego Palm CaA'on (IPB 3/07) Comment
  SD148478  Hilaria rigida Jon P. Rebman, Larry Hendrickson 2000-3-23 6283 San Diego Anza-Borrego Desert State Park: South of Ocotillo Wells; small canyon before Starfish Cove Canyon, Elephant Trees Discovery Trail. (IPB 3/07) 99 Comment
  SD154438  Hilaria rigida Joe Barth 2004-2-23 34 San Diego Shell Reef Expressway E of N San Felipe Wash Rd. 53 Comment
  SD159652  Hilaria rigida Larry Hendrickson, Kim Marsden 2004-2-20 8 San Diego 0.5 miles Southeast of Little Clark Lake, Anza-Borrego State Park Comment
  SD161358  Hilaria rigida Joe Barth 2004-10-30 116 San Diego In and near San Felipe Wash, NE of East Butte Borrego Mt. 61 Comment
  SD161634  Hilaria rigida Mike D. Angel, John Dewald 2005-3-5 183 San Diego Anza-Borrego Desert State Park. June Wash. Exit Highway S2 3.2 miles from Agua Caliente Regional Park. Take dirt road north. Road forks about 2.5 miles in. Take right fork. Drive about 1.3 miles further until road ends 404 Comment
  SD161861  Hilaria rigida Bill Sullivan 2005-2-4 28 San Diego Borrego Springs, Anza-Borrego Desert SP, south end of Desert Gardens by Coyote Canyon jeep trail at base of Coyote Mountain ridge, 2.1 miles north of north end of DiGiorgio Road blacktop 244 Comment
  SD161863  Hilaria rigida Melvin M. Sweet 2004-12-22 22 San Diego Borrego Springs; Coyote Canyon Lower Willows, along bypass jeep road 390 Comment
  SD165333  Hilaria rigida Bill Sullivan 2005-4-5 84 San Diego Borrego Springs, Anza-Borrego Desert SP, Coyote Canyon, wash draining Coyote Mtn Ridge 0.7 mile northeast of Coyote Creek 353 Comment
  SD16697  Hilaria rigida Frank F. Gander 1937-4-6 3152 San Diego Extreme northeast corner of San Diego County (IPB 3/07) Comment
  SD16772  Hilaria rigida Frank F. Gander 1937-4-7 3227 San Diego Kane Springs Road, low hill 1 mile west of County Line Comment
  SD16802  Hilaria rigida Frank F. Gander 1937-4-7 3257 San Diego Kane Springs Road, County Line Comment
  SD169443  Hilaria rigida Joe Barth 2005-1-29 154 San Diego Anza- Borrego Desert State Park. On mesa above west bank of San Felipe Wash in southeast part of square. 198 Comment
  SD170059  Hilaria rigida Nancy Nenow, Char Glacy 2005-3-20 161 San Diego Lois Neyenesch Folly (private property) at southeastern end of Canebrake residential area, one mile west of highway S2 at Canebrake Canyon, just NW of Anza-Borrego Desert State Park boundary, 328 Comment
  SD170060  Hilaria rigida Larry Hendrickson, L. Louise Jee 2005-4-27 554 San Diego Anza-Borrego Desert State Park. Grave Wash at the SE end of the Santa Rosa Mountains in California State Wilderness. Approx. 5.0 miles WSW of Imperial Co. Hwy 86 at the Grave Wash overpass bridge. 300 ft. west of County line/Park boundary. 167 Comment
  SD170061  Hilaria rigida Larry Hendrickson 2005-4-3 464 San Diego Anza-Borrego Desert State Park. Mason Valley, East of Vallecito Wash on NE side of County Hwy S-2 approx. 0.9 mi SE of access road to Oriflamme Canyon. 671 Comment
  SD170062  Hilaria rigida Joe Barth 2005-1-31 190 San Diego Anza-Borrego Desert State Park on Font's Point in the Borrego Badlands; (southwest part of square). 383 Comment
  SD170063  Hilaria rigida Joe Barth 2005-1-30 163 San Diego Borrego Valley at the south base of Coyote Mt. in area of Peg Leg Monument at intersection of Peg Leg Rd and the Borrego-Salton Seaway (Hwy S22); northwest corner of square. 180 Comment
  SD170064  Hilaria rigida Jeannie Gregory, John Gregory, Karen Rich, Gary Erbeck 2005-3-19 1283 San Diego Anza-Borrego State Park; 8 miles W of Ocotillo at base of Jacumba Mtns; Mortero Canyon Rd; by the railroad tracks just SW of Dos Cabezas Mine. 529 Comment
  SD170065  Hilaria rigida Char Glacy, Nancy Nenow 2005-3-21 66 San Diego Anza Borrego Desert State Park, just N of Palm Spring, ca. 5 mi SE of Agua Caliente Springs, ca.1 mi NE of Canebrake Residential Area/Canyon at S2. 267 Comment
  SD170066  Hilaria rigida Joe Barth 2005-2-1 205 San Diego Anza-Borrego Desert State Park near southern base of Santa Rosa Mts; .1 mile northwest of where Palo Verde Wash Rd. meets Hwy S22 (southwest part of square). 264 Comment
  SD171692  Hilaria rigida Jon P. Rebman, Norman Roberts 2005-4-22 11776 San Diego Anza-Borrego Desert State Park: Henderson Canyon, approx. 2 miles north of Borrego Springs, just northwest of Galleta Meadows 305 Comment
  SD173278  Hilaria rigida Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-4-14 1928 Imperial Trust for Public Lands Option Properties; South of SE tip of Santa Rosa Mtns. Coral Wash, approx. 2.5 air miles SW of hwy. 86 and 2.0 air miles north of hwy. S-22 (Borrego-Salton Seaway). 20 Comment
  SD178001  Hilaria rigida Jon P. Rebman 2006-5-20 12862 San Diego Vallecito Valley (BLM Wilderness area): S of Vallecito Stage Station County Park in Potrero Canyon, base of the Sawtooth Mountains on the west side 590 Comment
  SD180528  Hilaria rigida Bill Sullivan 2006-4-18 174 San Diego Anza-Borrego Desert State Park, Borrego Mountain, Hawk Canyon, I(c) mi N on canyon jeep trail from Buttes Pass jeep road. 188 Comment
  SD183984  Hilaria rigida Jeannie Gregory, John F. Gregory, MA Kessler 2006-5-20 1999 San Diego Sawtooth Mountains Wilderness (BLM Land): Vallecitos Valley, S of Vallecito Stage Station County Park in northern edge of The Potrero, on NW base of the Sawtooth Mountains 523 Comment
  SD184179  Hilaria rigida Jon P. Rebman, Margie Mulligan 2008-3-12 14251 San Diego Anza-Borrego Desert State Park: east of Borrego Springs; just west of the Imperial/San Diego county border on the north side of Hwy. S22/Borrego Salton Seaway; along the Calcite Mine road 160 Comment
  SD184551  Hilaria rigida Larry Hendrickson 2006-5-20 1449 San Diego Anza-Borrego Desert State Park. Vallecito Valley (formerly the Vallecito Ranch) 2.8 km south of County Hwy S-2 on the west side of the Sawtooth Mtns. 500 Comment
  SD185089  Hilaria rigida John F. Green 2005-2-2 Riverside 3.0 miles east of Desert Beach. 24 Comment
  SD191738  Hilaria rigida Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14575 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), in Big Wash, Site PHACRE in arroyo bottom and surrounding embankments 53 Comment
  SD191739  Hilaria rigida Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14525 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), in Big Wash Middle, Site ESCPAR in arroyo bottom and surrounding embankments 61 Comment
  SD191740  Hilaria rigida Jon Rebman, W. Schmidtmann, L. Hendrickson, & L. L. Jee 2008-4-8 14387 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 18 (SL18), small arroyo off of Grave Wash, Site LARTRI in arroyo bottom and surrounding cliff walls 89 Comment
  SD193144  Hilaria rigida Jon P. Rebman, M. Simpson, L. Simpson, & M. Mulligan 2009-4-10 16862 San Diego Anza-Borrego Desert State Park: southwest of Highway S-2 and south of Dos Cabezas; near the San Diego/Imperial County line in a sand dune area near the mouth of Hayden Spring canyon 490 Comment
  SD193471  Hilaria rigida CRES Native Seed Gene Bank, J Dunn, L Lippitt, S Anderson 2005-3-30 79 San Diego Anza-Borrego Desert State Park, 0.3 mi E of junction of Hwy 78 and San Felipe Rd at Hwy 78, E of Scissors Crossing 587 Comment
  SD19865  Hilaria rigida Frank F. Gander 1937-11-21 4715 San Diego Across from Gypsum Mine, Fish Creek (IPB 3/07) Comment
  SD199751  Hilaria rigida Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16396 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 4 (SL4), Verbena Wash, Site FAGPAC in rocky arroyo and surrounding rocky hillsides & mesa -4 Comment
  SD199752  Hilaria rigida Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16567 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 26 (SL26), Amerosa Wash, Site CHOBRE on mesas and surrounding mud and cobble hillsides and arroyos -3 Comment
  SD199753  Hilaria rigida Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16328 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 5 (SP5), Verbena Wash, Site HIBDEN in rocky arroyo and surrounding rocky hillsides 39 Comment
  SD199754  Hilaria rigida Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16147 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 20 (SL20), Palm Wash, Site BRATOU in sandy arroyo bottom and surrounding rocky mud embankments 45 Comment
  SD199755  Hilaria rigida Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16455 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 6 (SL6), Verbena Wash, Site PHAMIN in rocky arroyo and surrounding rocky hillsides & mesas 99 Comment
  SD199756  Hilaria rigida Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16129 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 2.7 mile W of Hwy. 86; Section 22 (SL22), Palm Wash, Site PHOCAL in sandy arroyo bottom and surrounding mud embankments -9 Comment
  SD199757  Hilaria rigida Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16246 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), Palm Wash, Site HILRIG in sandy arroyo with desert pavement benches on the surrounding embankments 60 Comment
  SD199758  Hilaria rigida Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16279 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 21 (SP21), Palm Wash, Site CHACARPEI in sandy arroyo and surrounding mud embankments and mesas 20 Comment
  SD200288  Hilaria rigida Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16747 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 15 (SP15), Coral Wash, Site PECHET on dried mud and sand arroyo and surrounding hillsides 4 Comment
  SD200289  Hilaria rigida Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16585 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), north fork of Big Wash, Site ENCHYB on flats and in cobble and sand arroyos 17 Comment
  SD200290  Hilaria rigida Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-27 16831 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Big Wash, Site ASCERO in sandy arroyo and surrounding cobbly mesas -28 Comment
  SD200291  Hilaria rigida Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16518 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, W of Salton City, Along Hwy S22, section 29 (SP29), Site LANSET on mesa and surrounding mud and cobble hillsides 152 Comment
  SD201243  Hilaria rigida Don Rideout, K. Marsden, L. Hendrickson 2008-2-21 15 San Diego Anza-Borrego Desert State Park, Palo Verde Wash, approx. 0.8 miles south of Highway S-22. 212 Comment
  SD202081  Hilaria rigida Christopher Christie 1996-12-30 16 San Bernardino In wash, Bullion Mountains/Sheephole Pass. 715 Comment
  SD203144  Hilaria rigida Bill Sullivan 2008-3-11 402 San Diego Anza-Borrego Desert State Park, Borrego-Salton Seaway (County Road S22), northeast of Call Box S22-319 302 Comment
  SD203145  Hilaria rigida Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-3-3 343 San Diego Anza-Borrego Desert State Park. Hawk Canyon, SE-flank of West Butte, Borrego Mountain. 2.0 surface mi NE of intersection of Buttes Pass Road and State Hwy 78, 0.3 mi NE of Buttes Pass Road at end of access road to canyon 202 Comment
  SD203146  Hilaria rigida Larry Hendrickson, Mary Jo Churchwell, Ruth Ehly. 2008-3-11 2698 San Diego Borrego Palm Canyon, Anza-Borrego Desert State Park. Alternate Trail on south side of canyon, 3.0 miles WNW of Borrego Springs (Christmas Circle), 1.4 miles S of Indianhead summit (San Ysidro Mountains), and 0.4 mile W of trailhead parking. 274 Comment
  SD205095  Hilaria rigida Melvin M. Sweet 2007-9-30 465 A San Diego Anza-Borrego State Park; Vista del Malpais Overlook in the Borrego Badlands, ca 3 miles S of Hwy S22 305 Comment
  SD205096  Hilaria rigida Jeannie Gregory, John Gregory 2008-3-7 2703 San Diego Anza-Borrego Desert State Park, 3.5 mi SE of intersection Arroyo Salada and Borrego Salton Seaway (S22), just S of 17 Palms Oasis, ca 1 mi from Imperial County line 74 Comment
  SD207489  Hilaria rigida Layla Aerne Hains, J. Gregory, M. A. Hawke, V. Marshall 2008-3-27 159 San Diego Anza-Borrego Desert State Park, along road to Canyon Sin Nombe, 1.3 mile E from intesection with Highway S2 (Sweeny Pass Rd), 11.5mi NW of I8 and town of Ocotillo 230 Comment
  SD211361  Hilaria rigida Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18885 Imperial Southwest of Plaster City on Bureau of Land Management (BLM) property in an area proposed for development of a solar facility: S of Hwy. S80 & N of I-8, NE of Ocotillo & W of El Centro; along a powerline road 53 Comment
  SD211828  Hilaria rigida Larry Hendrickson, L. Louise Jee, ABDSP Botany Society members. 2009-3-30 3599 San Diego Anza-Borrego Desert State Park. Rockhouse Canyon, a major tributary of Carrizo Wash in the In-Ko-Pah Mountains. 2.7 miles S of intersection of County Road S-2 and Carrizo Wash jeep trail. 292 Comment
  SD211829  Hilaria rigida Larry Hendrickson 2009-3-29 3576 San Diego Anza-Borrego Desert State Park. Earthquake Valley, mouth of Crime Canyon (unofficial name). 1.5 air miles E of intersection of County Road S-2 and road to Blair Valley. 0.3 mile east of northern access road to Little Blair Valley. 894 Comment
  SD211830  Hilaria rigida Larry Hendrickson 2009-3-8 3399 San Diego Anza-Borrego Desert State Park. Bisnaga Wash, the next major wash east of Alta Bisnaga Wash. 4.0 miles SSW of Whale Peak summit, and 0.5 mile NNW of Agua Caliente Springs (County Park). 300 ft. W of signed cul-du-sac north side County Rd. S-2 392 Comment
  SD211831  Hilaria rigida Larry Hendrickson 2008-4-20 2958 San Diego Cool Canyon, east flank of Granite Mountain, Anza-Borrego Desert State Park. 4.1 air miles SE of intersection of State hwy. 78 and County Road S-2, 2.7 miles E of Granite Mountain summit, and 0.8 mile SW of intersection of S-2 and access road to canyon. 737 Comment
  SD211832  Hilaria rigida Nancy Nenow, Lawrence Glacy 2008-4-16 424 San Diego Anza-Borrego Desert State Park, 1I(c) mi SW of S-2 on Indian Gorge dirt road, Torote Canyon, W side of Carrizo Valley 313 Comment
  SD211833  Hilaria rigida Kim Marsden, Larry Hendrickson, ABDSP Volunteer Botany Group 2008-3-20 261 San Diego Anza-Borrego State Park, 6.5 mi ESE of town of Borrego Springs, 300 meters SE of San Gregorio monument along Borrego Sink Wash, 3.8 mi NNE of intersection Borrego Springs Road and Fletcher Road 132 Comment
  SD212864  Hilaria rigida Jon P. Rebman, Warren Schmidtmann 2011-5-3 21542 San Diego Anza-Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road, east of The Squeeze and northeast of the highest point of Whale Peak; sandy valley 1110 Comment
  SD212865  Hilaria rigida Jon P. Rebman, Mike Rood & Samantha Rebman-Rood 2011-2-12 20597 San Diego Anza-Borrego Desert State Park: southeast of Canebrake; east of Hwy S-2, in a side canyon to the south of South Carrizo Wash Road 256 Comment
  SD212866  Hilaria rigida Jon P. Rebman, Mike Rood & Samantha Rebman-Rood 2011-2-11 20580 San Diego Anza-Borrego Desert State Park: southeast of Canebrake; east of Hwy S-2 off of South Carrizo Wash, near the road to Canyon Sin Nombre in a side canyon 145 Comment
  SD214024  Hilaria rigida Larry Hendrickson, Paul Johnson 2008-12-3 3340 San Diego Anza-Borrego Desert State Park. Vallecito Valley, Vallecito Ranch (formerly Campbell Ranch). 0.8 mile NW of Troutman Mountain, and 0.2 SE of historic homesite, 0.5 mi SW of S-2 at dirt road entrance. 488 Comment
  SD214025  Hilaria rigida Larry Hendrickson 2009-3-1 3383 San Diego Anza-Borrego Desert State Park. Carrizo Wash, 1.6 surface miles SSW of intersection of County Rd. S-2 and access road to wash, and 1.0 mile north of Rockhouse Canyon. 775 Comment
  SD219666  Hilaria rigida Larry Hendrickson, Jon Rebman, Victoria Marshall, Suzann Leininger 2010-3-3 4500 San Diego Anza-Borrego Desert State Park. NE-side of Vallecito Mountains. 3.6 air miles SW of intersection of State hwy. 78 and Split Mountain Rd., and 1.0 mile SW of intersection of Old Kane Springs Rd. and Youngs Rd. 167 Comment
  SD219667  Hilaria rigida Larry Hendrickson, Michael Bigelow 2010-5-6 4697 San Diego Anza-Borrego Desert State Park. Smuggler Canyon, east of Little Blair Valley. 2.1 air miles SW of Whale Peak summit, and 0.6 mile ESE of terminus of road to Pictographs trailhead. 996 Comment
  SD220618  Hilaria rigida Margaret R. Mulligan, L. Hendrickson, L. L. Jee 2008-4-25 2510 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City; Section 14 (SL14), in Coral Wash ca. 2 mi southwest of Hwy 86. 25 Comment
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  SD227188  Hilaria rigida Joe Barth 2011-2-14 1114 San Diego E side of Borrego Springs Rd, ~0.1 mile S of Tilting T Dr. Town of Borrego Springs. 198 Comment
  SD227189  Hilaria rigida Joe Barth 2011-3-6 1233 San Diego Loop Wash, 3 miles due W of county line, 11.6 miles due S of state hiway 78, ~0.35 mile N of Fish Creek Wash, ~0.33 mile due W of Loop Wash's east junction with Fish Cr Wash. Anza-Borrego Desert State Park. 227 Comment
  SD227190  Hilaria rigida Joe Barth 2011-3-5 1230 San Diego Lower Fish Creek Wash in Split Mountain (N of the well known anticline); 8.8 miles due S of State Hwy 78, 0.4 mile due W of county line. Anza-Borrego Desert State Park. 95 Comment
  SD227191  Hilaria rigida Joe Barth 2010-3-6 914 San Diego Anza-Borrego Desert State Park: the sw part of the South Mesa (north and east of the Carrizo Badlands). Ca. 0.3 mile to the east of the canyon drainage called Arroyo Seco del Diablo. Ca. 2 miles N of Carrizo Creek. Ca.2.8 miles west of the county line. 249 Comment
  SD228362  Hilaria rigida Joe Barth 2011-3-3 1172 San Diego Ol' Kane Springs Rd, 2 miles due S of Hwy 78, 2.8 miles due W of Split Mt Rd. Lower Borrego Valley. Anza- Borrego Desert State Park. 125 Comment
  SD228363  Hilaria rigida Joe Barth 2011-4-13 1392 San Diego Anza Borrego Desert State Park's Volcanic Hills area. Mortero Canyon. 1.2 mile due W of Imperial County line. 2.3 miles due S of Hiway S2, 9.3 miles due N of Frwy I8. 381 Comment
  SD228364  Hilaria rigida Joe Barth 2011-4-4 1277 San Diego Jojoba Wash, Anza-Borrego Desert State Park. 2.25 miles due S of Hwy S2, 11 miles due N of Freeway I8, 3.8 miles due W of Imperial county line. Bajada WNW of the Volcanic Hills. 452 Comment
  SD228365  Hilaria rigida Thomas E. Barckley, Lucia Barckley 2009-3-8 60 San Diego North East portion of Anza-Borrego Desert State Park; Wonderstone Wash, 6.3 miles SSW of Salton Sea Beach, just inside park boundary 235 Comment
  SD228366  Hilaria rigida Joe Barth 2011-4-15 1424 San Diego Anza Borrego Desert State Park. East base of Jacumba Mts, SW of the Volcanic Hills. NW of Piedras Grandes Mt. By RR trax and adjacent slopes and flats. 3 miles due W of Imperial County line. 4.7 miles due S of Hiway S2, 8.2 miles due N of Interstate 8. 557 Comment
  SD229808  Hilaria rigida Jon P. Rebman, With ABF class/volunteers 2013-2-10 25507 San Diego Anza-Borrego Desert State Park: Split Mountain area; to the southwest of the Wind Caves and west of Elephant Knees area; along Fish Creek Wash 185 Comment
  SD233248  Hilaria rigida Sandra M. Namoff, Diana D. Jolles, Thomas Stoughton, Linda L. Worlow 2011-3-27 36 San Bernardino Transverse Ranges: BLM, White Water Canyon, west side of Aanyon Rd. Drive, near Painted Hill. 561 Comment
  SD233443  Hilaria rigida Joe Barth 2011-5-25 1563 San Diego N Fork Indian Valley, Anza Borrego Desert State Park; bajada N of road. ~2.3 miles ~NNE of Sombrero Pk. About 19 miles ~WNW of village of Ocotillo in Imperial County. 582 Comment
  SD233695  Hilaria rigida Scott D. White 1995-4-12 2840 San Bernardino Southeast Mojave Desert. Just north of State Rt. 62, at intersection w. Ironage Rd. Comment
  SD242646  Hilaria rigida San Diego Mason Valley Comment
  SD242647  Hilaria rigida Andrea Laltoo 2005-2-18 9 Imperial Yuha Desert Area of Critical Environmental Concern, wash to SW side of route 353, between route 346 and the Shellbeds campground road 29 Comment
  SD243770  Hilaria rigida Stephen Larson 1983-6-14 San Diego [Locality determined by SDNHM] North end of The Potrero Comment
  SD243771  Hilaria rigida Stephen Larson 1983-6-14 San Diego [Locality determined by SDNHM] North end of The Potrero Comment
  SD24438  Hilaria rigida A. J. Stover 1939-3-25 208 San Diego Oil wells, 5 miles north of Bensons (IPB 3/07) Comment
  SD245213  Hilaria rigida Sarah J. De Groot, Cheryl Sevilla 2014-5-14 7119 San Bernardino Bighorn Mountains: Along the south side of Hondo Wash, BLM road RC 1418 off the end of Tracy Blvd, west of Flamingo Heights. Northeast tip of Black Lava Butte. 1143 Comment
  SD245214  Hilaria rigida Sarah J. De Groot, Grace Cho 2013-9-26 7014 San Bernardino Northeast San Bernardino Mountains, Bighorn Mountain area: top of hill along Bighorn Mountain ridge, at summit '5641'. 1720 Comment
  SD24532  Hilaria rigida Frank F. Gander 1939-4-1 7108 San Diego ca. 2 miles southwest of Carrizo Station (IPB 3/07) Comment
  SD24565  Hilaria rigida Frank F. Gander 1939-4-2 7141 San Diego rocky slope, near Vallecitos Station (IPB 3/07) Comment
  SD247551  Hilaria rigida Sarah J. De Groot, Naomi Fraga, Cheryl Sevilla, Silvia Olivares 2014-8-23 7262 San Bernardino Along Excelsior Mine Road, N of road fork to Winters Pass, N of Kingston Wash, N end of Shadow Valley, NE of Shadow Mountains, SE of Kingston Range, W of Mesquite Mountains. About 5.1 air miles southwest of Winters Pass. Gentle hillside. 1032 Comment
  SD247552  Hilaria rigida Sarah J. De Groot, Naomi Fraga, Cheryll Sevilla, Silvia Olivares 2014-8-23 7268 San Bernardino Nipton Road about 0.25 mile southeast of I-15, SW of Ivanpah Lake, W of Nipton, and W of Ivanpah Road. Wheaton Wash drainage aarea. East of Mescal / Ivanpah Range and Clark Mountain. Washes. 1050 Comment
  SD250404  Hilaria rigida Duncan S. Bell 2013-3-24 4648 Imperial The Jacumba Mountains; in canyon draining to the north of Myer Valley; approximately 3.25 air miles northeast of Mountain Spring or 5 air miles southwest of the town of Ocotillo. Comment
  SD250579  Hilaria rigida Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28763 Imperial Palo Verde Mountains: southwest of Palo Verde; on the rocky slopes & canyons just east of old Palo Verde Road; north of Milpitas Wash & west of Hwy 78 205 Comment
  SD250580  Hilaria rigida Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-26 28833 Imperial Algodones Dunes area: east of Brawley; north of Hwy 78 at Glamis & west of the railroad & Ted Kipf Road; on the eastern edge of the dune field 89 Comment
  SD250581  Hilaria rigida Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28797 Imperial Vicinity of Hauser Geode Beds: west of Milpitas Wash Road; west of Hwy 78; southwest of Palo Verde & southwest of the Palo Verde Mountains; along an arroyo 259 Comment
  SD250582  Hilaria rigida Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28778 Imperial Palo Verde Mountains: southwest of Palo Verde; in the canyons & slopes west of old Palo Verde Road; north of Milpitas Wash & west of Hwy 78 235 Comment
  SD250799  Hilaria rigida Kim Marsden, Anza-Borrego Desert State Park Botany Society 2009-3-23 605 San Diego Anza-Borrego Desert State Park; Carrizo Gorge, 4 miles SW of junction Hwy S-22 and Jojoba Wash 294 Comment
  SD250800  Hilaria rigida Larry Hendrickson 2012-9-5 5936 San Diego Anza-Borrego Desert State Park, South of West Butte. 1.0 mile N of intersection of State Hwy. 78 and Buttes Pass Road, at intersection of Buttes Pass Road and road to The Slot (Borrego Mountain Wash Road on some maps). 214 Comment
  SD250801  Hilaria rigida Bill Sullivan 2010-3-9 1032 San Diego Anza-Borrego Desert State Park east of Lute fault scarp and west of Palo Verde Wash, north side Borrego-Salton Seaway; at junction with Thimble Trail; at Call Box S22-319 289 Comment
  SD250802  Hilaria rigida Bill Sullivan 2010-3-14 819 San Diego Anza-Borrego Desert State Park, Cactus Garden, 2.4 miles SE of junction Old Kane Springs Road and Highway 78 287 Comment
  SD250803  Hilaria rigida Ruth R. Ehly, Larry Hendrickson, Whitney Meier, Marilyn Dickson 2011-2-24 73 San Diego Borrego Valley, De Anza Country Club, 2.9 air miles NNW of Christmas Circle, Borrego Springs. Just west of terminus of Catarina Drive. 213 Comment
  SD250804  Hilaria rigida Joe Barth 2011-5-26 1611 San Diego Canebrake Valley on BLM land. 1.8 miles ESE of the summit of the remote and grand mountain called Red Top. About 21 miles ~WNW of town of Ocotillo in Imperial County. 604 Comment
  SD250805  Hilaria rigida Larry Hendrickson 2012-9-12 5957 San Diego Anza-Borrego Desert State Park, alluvial fan S of Santa Rosa Mountains. Beside County Route S-22, 8.9 air miles ENE of Borrego Springs (Christmas Circle). 6.5 miles E of intersection of Henderson Canyon Rd. and S-22, and 0.5 mile NW of Palo Verde Wash. 289 Comment
  SD250806  Hilaria rigida Larry Hendrickson 2012-9-12 5945 San Diego Anza-Borrego Desert State Park, Clark Valley. 7.3 air miles ENE of Borrego Springs (Christmas Circle) and 2.4 miles E of intersection of Henderson Canyon Road and County Route S-22, approx. 180 meters S of S-22. 213 Comment
  SD252439  Hilaria rigida Bill Sullivan 2011-4-27 1081 San Diego Anza-Borrego Desert State Park, Vallecito Valley, Campbell Ranch, jeep trail to Storm Canyon, 0.94 mile south of junction with Southern Emigrant Trail (County Road S-2) 534 Comment
  SD252440  Hilaria rigida Melvin M. Sweet 2010-3-27 910 San Diego Anza-Borrego Desert State Park; 0.4 miles S of State Hwy 78, along the Mine Wash Jeep Trail, which intersects Hwy 78 2.8 miles east of County Route S3 (Yaqui Pass). 399 Comment
  SD254505  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-6 41275 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range. 456 Comment
  SD255056  Hilaria rigida Sarah J. De Groot, Cheryl Sevilla 2015-9-29 7591 San Bernardino Newberry Mountains; along Camp Rock Road at the SW end of narrows. North of Ord Mountain and Aztec Spring, ESE of Barstow. Rocky was sloping about 5a^z, facing S72W. 1162 Comment
  SD255057  Hilaria rigida J. Mark Porter, Susan Hobbs, Orlando Mistretta 2003-2-20 Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Algodones Wilderness. Comment
  SD255058  Hilaria rigida J. Mark Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area. Comment
  SD256666  Hilaria rigida J. M. Andre 2013-3-3 23972 Imperial Yuha Desert, along Highway 98, 15.1 miles ESE of Ocotillo and west of Calexico. 36 Comment
  SD258839  Hilaria rigida Sarah J. De Groot, Rachel Darney-Lane 2016-9-28 8033 San Bernardino Whipple Mountains Wilderness, northwest of Parker, AZ and south of Havasu Lake. North slope of mountains 1.2 air miles northnorthwest of Axtel 4130, 2.2 air miles southsoutheast of War Eagle No. 1 mine. 623 Comment
  SD258840  Hilaria rigida Sarah J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains; slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  SD258841  Hilaria rigida Sarah J. De Groot 2016-3-22 7692 San Bernardino Clipper Mountains, south side just west of Bonanza Spring; road NS 206 ca. 3.0 miles northwest of Highway 66. 641 Comment
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  SD262860  Hilaria rigida Susan T Welker 1993-4-27 San Diego Anza-Borrego Desert; North end of Half Hill dry Lake, south of Ocotillo Wells, east of Split Mountain Road. 17 Comment
  SD27703  Hilaria rigida Allan Keller 1940-3-16 207 Imperial On road to Painted Gorge Comment
  SD28637  Hilaria rigida Frank F. Gander 1941-4-30 9210 San Diego The Narrows (IPB 3/07) Comment
  SD298  Hilaria rigida 4/1917 Imperial Dixie Land, Colorado Desert Comment
  SD300  Hilaria rigida Unknown 1927-4-16 San Diego La Puerta Valley Comment
  SD32506  Hilaria rigida Charles F. Harbison, Ethel Bailey Higgins 1944-4-13 44 82 San Diego Dubber (IPB 3/07) Comment
  SD35529  Hilaria rigida Lawrence Huey Mar 1945 Imperial 5 miles west of Pilot Knob Comment
  SD42307  Hilaria rigida Carl B. Wolf 1941-5-26 10667 San Bernardino Mojave Desert, Providence Mountains, 3.8 miles west of Columbia Mine 1096 Comment
  SD46172  Hilaria rigida Annetta Carter, Francia Chisaki 1953-4-5 3235 San Bernardino 20 miles south of Needles Comment
  SD48474  Hilaria rigida E. K. Balls, P. C. Everett 1958-3-20 22925 Imperial 3.7 mi. n. of Ogilby on road to Blythe 152 Comment
  SD49301  Hilaria rigida Reid Moran 1958-3-5 6517 Imperial Pinto Wash 74 Comment
  SD6011  Hilaria rigida Frank Stephens Oct 1929 San Diego La Puerta Valley Comment
  SD83087  Hilaria rigida Helen V. Witham 1972-12-12 1768 Imperial open desert, 4 mi. east of Ocotillo 149 Comment
  SD83450 Image available Hilaria rigida R. Mitchel Beauchamp, R. Pierce 1971-3-26 1964 San Diego Along Borrego-Salton Seaway, south end of Clark Valley. Anza-Borrego State Park. 205 Comment
  SD85438  Hilaria rigida R. Mitchel Beauchamp, R. C. Pierce 1971-3-13 1781 San Diego Sandy wash, 2 miles west of Stage Station, Vallecito Valley. (IPB 3/07) Comment
  SD91990  Hilaria rigida Richard C. Schwenkmeyer 1975-3-1 Imperial East side of Fish Creek Mountains 120 Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
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Jan 24 2013
  SEINET10309003 Image available Hilaria rigida Naomi Fraga, Deirdre Conocchioli 2013-9-24 4542 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Rattlesnake Canyon, lower bajada. (Rattlesnake Canyon: 34.346222 deg. 0'N, 116.694667 deg. 0'W). 1111 Comment
  SEINET10893653  Hilaria rigida John R. Stone, Sharon A. Bodine 2000-4-4 Stone 2850 San Bernardino Needles. Wet lot adjacent to Motel 6, 1420 J Street. 90 Comment
  SEINET10915844  Hilaria rigida John R. Stone, Sharon A. Bodine 2000-4-4 Stone 2850 San Bernardino Needles. Weed lot adjacent to Motel 6, 1420 J Street. 90 Comment
  SEINET10926755  Hilaria rigida Samuel B. Parish 1896-4-4 Parish 4145 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  SEINET13311263  Hilaria rigida A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41904 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range. 441 Comment
  SEINET176290 Image available Hilaria rigida V. Duran 1932-5-12 3199 San Diego Head of Box Canyon near Mason Valley Comment
  SEINET187932 Image available Hilaria rigida A. D. Smith 1937-4-13 San Bernardino 40 mi N of Barstow Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  SEINET188881  Hilaria rigida A. D. Smith 1937-4-13 San Bernardino 40 mi N of Barstow Comment
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  SEINET191851 Image available Hilaria rigida C. L. Hitchcock 1940-4-20 6138 San Bernardino NE part of county in desert wash 4 mi below Horse Springs 914 Comment
  SEINET192278 Image available Hilaria rigida I. L. Wiggins 1941-3-24 9612 Imperial 6 mi NE of Niland on rd to Beal Well Comment
  SEINET196242 Image available Hilaria rigida C. B. Fiker 1945-6-23 3214 San Diego Henderson ranch N of Fallbrook Comment
  SEINET198792 Image available Hilaria rigida A. Carter, F Chisaki 1953-4-5 3235 San Bernardino 20 mi S of Needles Comment
  SEINET212440 Image available Hilaria rigida N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6461 Riverside Rice Valley 7 mi S-SW of Rice 274 Comment
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  SEINET2139766  Hilaria rigida Sarah J. De Groot, Leland Lubinsky, Linda Lee Worlow 2004-1 4444 San Bernardino Whipple Mountains: SE of Savahia Peak, near Dollar Bill Mine. Comment
  SEINET221452 Image available Hilaria rigida R. F. Thorne, CW Tilforth; A. S. B. P. et al. 1978-5-9 51238 San Bernardino E Mojave Desert Kelso Dunes; S edge of Kelso Dunes near Bull Canyon Wash from Granite Mts 732 Comment
  SEINET223804 Image available Hilaria rigida E. Neese 1979-4-10 7077 Riverside Ca 25 mi W of Blythe along Interstate 10 244 Comment
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  SEINET231652 Image available Hilaria rigida F. C. Vasek 1978-5-22 San Bernardino Stoddard Valley 3.3 mi S. of Slash X Ranch & 1.1 mi E of Barstow Rd 841 Comment
  SEINET257220 Image available Hilaria rigida Mary E. Barkworth 1983-5-22 4199 San Bernardino On Kelso-Dawes Rd Comment
  SEINET269234 Image available Hilaria rigida Scott D. White 1995-5-11 3032 San Bernardino Ward valley N base of Iron Mts. windblown sand along powerline rd. on bajada above Danby Dry Lk: 250 Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  SEINET3129317  Hilaria rigida M. E. Jones 1884-5-3 3795 San Bernardino The Needles Comment
  SEINET3223160 Image available Hilaria rigida Scott D. White 1995-4-12 2840 San Bernardino Southeast Mojave Desert. Just north of CA 62, at intersection with Ironage Road. Comment
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  SEINET4558792  Hilaria rigida J. Andre 2012-1 23131 San Bernardino Kingston Range; along Excelsior Mine Rd. approx. 18 mi. N. of Interstate 15, at SE and of range. 1036 Comment
  SEINET4559108  Hilaria rigida J. Andre 2011-1 22340 San Bernardino Mojave National Preserve; along dirt road/transmission line 1.0 mi west of Ivanpah Rd. 3.4 mi. south of Morningstar Rd., approx 10 mi. south of I-15, Just north of New York mtns. 908 Comment
  SEINET4559643  Hilaria rigida J. M. Andre 2012-1 23591 San Bernardino Cima Dome; Mojave National Preserve; along Cima Rd. Approx. 4 mi N of Cima Dome summit 1337 Comment
  SEINET4559908  Hilaria rigida J. Andre 2012-1 23591 San Bernardino Cima Dome; Mojave National Preserve; along Cima Rd. Approx. 4 mi N of Cima Dome summit 1337 Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  SEINET5586518  Hilaria rigida Naomi Fraga, Mare Nazaire 2013-1 4581 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Bighorn Mountain Wilderness. Saddle at the head of the west fork of Ruby Canyon. 1641 Comment
  SEINET6042486  Hilaria rigida H. C. 2003-2-28 21147 San Bernardino Copper Basin Sand Dunes. Ca. 2 mi north of Earp, ca. 3 mi northwest of Parker, AZ Comment
  SEINET6795256  Hilaria rigida G. Goodwin 2015-3-17 4919 San Bernardino West side of Homer Mountain along the power-line road about 10 miles north of Goffs 914 Comment
  SEINET8077131 Image available Hilaria rigida M. B. Dunkle 1933-1 3452 San Diego Mesa east of Bor[r]ego Mt.; Colorado Desert. Comment
  SEINET8507209  Hilaria rigida Naomi Fraga, Deidre Conocchioli 2013-9-24 4542 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Rattlesnake Canyon, lower bajada. 1111 Comment
  SJSU13026  Hilaria rigida C. W. Sharsmith 1942-9-12 4517 San Bernardino E of Soda Mts, W of Baker Comment
  SJSU2034  Hilaria rigida Hatsume Kosakai 1958-4-3 24 Unknown 5 mi S of San Felipe Comment
  SJSU5096  Hilaria rigida S. M. Kaune 1961-12-26 209 Unknown 3 mi N of San Felipe 15 Comment
  SJSU5231  Hilaria rigida S. M. Kaune 1962-12-17 680 Unknown Valle Trinidad Rd off Hwy 5, 35-40 mi NW of San Felipe, just below summit of down-grade into San Felipe Valley 914 Comment
  UC2015356  Hilaria rigida Tom Schweich 2004-4-20 337 San Bernardino Mesquite Mountains. On Kingston Road, 3 miles south of the Winters Pass Hills, 12 miles north of Valley Wells, climbing to Winters Pass in the Mesquite Mountains. Comment
  UCD126398  Hilaria rigida C. A. Toft 1980-5-31 s.n. Inyo Death Valley National Monument, Harrisburg Flats. Comment
  UCD166276  Hilaria rigida Jack Major 1962-4-17 790 Riverside On Hwy 74, near Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 770 Comment
  UCD33250  Hilaria rigida Beecher Crampton 1967-5-23 7960 San Bernardino San Bernardino County, Mojave Desert, 31 miles west of Baker on US Hwy. 466, near midway ca. 5 miles west of Mt. Afton. 762 Comment
  UCD37630  Hilaria rigida Beecher Crampton 1955-4-25 2574 San Bernardino San Bernardino County, 2.5 miles west of Daggett, 1 mile east of Marine Corps Depot, along U.S. Highway 66. Comment
  UCD37647  Hilaria rigida Beecher Crampton 1955-4-27 2625 San Bernardino San Bernardino County, 6.5 miles south of Daggett. Comment
  UCD37953  Hilaria rigida Beecher Crampton 1962-5-23 6465 Imperial Imperial County, 4.2 miles west of Plaster City, along U.S. Highway 80. Comment
  UCD57072  Hilaria rigida Geoffrey Levin 1976-3-27 695 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCD83528  Hilaria rigida Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5869 Imperial BLM Algodones Dunes Natural Area. E side of dunes. 6 mi N of Hwy 78, along Kipf Rd. E and W side of road. 74 Comment
  UCD84933  Hilaria rigida Chuck Hughes 2010-3-22 205 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  UCD89911  Hilaria rigida Rimo Bacigalupi; Paul Hutchison 1958-2-17 6137 Imperial 1.5 miles south of Gold Rock Ranch, on road from Ogilby to Blythe, by way of Midway Well, Colorado Desert. 137 Comment
  UCD89913  Hilaria rigida E. K. Balls; P. C. Everett 1958-3-20 22925 Imperial 3.7 miles north of Ogilby on road to Blythe. 152 Comment
  UCD89914  Hilaria rigida A. A. Beetle 1942-4-22 3174 Imperial junction of Rt. 80 and road to Ogilby. Comment
  UCD89915  Hilaria rigida A. A. Beetle 1942-4-22 3174 Imperial junction of Rt. 80 and road to Ogilby. Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  UCD89918  Hilaria rigida A. A. Beetle 1942-4-23 2302 San Bernardino Rt. 66, 12 miles west of Ludlow. Comment
  UCD89920  Hilaria rigida A. A. Beetle 1942-4-23 3192 San Bernardino Rt. 95, 38 miles north of Blythe. Comment
  UCD89925  Hilaria rigida Katharine Brandegee 1915-6-1 s.n. San Bernardino Kelso. Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCD89929  Hilaria rigida Annetta Carter; Francia Chisaki 1953-4-5 3235 San Bernardino 20 miles south of Needles. Comment
  UCD89931  Hilaria rigida Beecher Crampton 1955-4-25 2574 San Bernardino U.S. Highway 66, 2.5 miles west of Daggett. Comment
  UCD89932  Hilaria rigida Beecher Crampton 1955-4-27 2625 San Bernardino 6.5 miles south of Daggett. Comment
  UCD89936  Hilaria rigida Beecher Crampton 1962-5-23 6465 Imperial 4.2 miles west of Plaster City, along U.S. Highway 80. Comment
  UCD89939  Hilaria rigida Beecher Crampton 1967-5-23 7960 San Bernardino Mojave Desert, 31 miles west of Baker on US Hwy. 466, near midway ca. 5 miles west of Mt. Afton road. 762 Comment
  UCD89942  Hilaria rigida Beecher Crampton 1967-5-23 7986 San Bernardino Mojave Desert, 5.4 miles east of Mtn. Pass summit, US Hwy 466, at Nipton Road junction. 1066 Comment
  UCD89943  Hilaria rigida Beecher Crampton 1968-8-11 8324 San Bernardino Eastern San Bernardino County: 2 miles E of Mountain Pass, near Wheaton Springs, Interstate Hwy. 15, Mescal Range. 1249 Comment
  UCD89944  Hilaria rigida Victor Duran 1932-5-12 3199 San Diego head of Box Canyon, near Mason Valley. Comment
  UCD89945  Hilaria rigida W. C. Gagne 1968-3-21 s.n. San Bernardino near Dale Dry Lake, 25 mi. east of 29 Palms. Comment
  UCD89946  Hilaria rigida James B. Garner 1957-6-18 298 San Bernardino in Mojave River bed. Afton Canyon, ca. 5 miles south of U.S. highway 466 and ca. 35 miles east of Barstow. Comment
  UCD89947  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCD89948  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCD89949  Hilaria rigida Peter Kamb 1948-5-31 1070 San Bernardino Cushenbury Springs. San Bernardino Mountains. 1219 Comment
  UCD90060  Hilaria rigida R. M. Love 1942-10-8 s.n. San Bernardino 15 miles northwest of Indio. Comment
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Apr 29 2015
  UCD90062  Hilaria rigida B. A. Madson 1947-9-15 s.n. Riverside East side of San Jacinto Mts. Between Palm Springs and Idyllwild. 914 Comment
  UCD90064  Hilaria rigida Philip A. Munz 1937-6-18 14997 San Bernardino pass at Clark Mt., on highway from Las Vegas to Baker. 1371 Comment
  UCD90066  Hilaria rigida Bruce M. Pavlik 1980-5-29 212 San Bernardino Kelso Dunes. 762 Comment
  UCD90068  Hilaria rigida Peter H. Raven 1958-3-22 11918 San Bernardino 5.3 miles east of Mount Afton. Comment
  UCD90069  Hilaria rigida Peter H. Raven 1958-5-6 12931 Riverside 10.2 miles southwest of Palm Desert on State Highway 74. San Jacinto Mountains. 762 Comment
  UCD90072  Hilaria rigida H. S. Reed; F. M. Reed 1937-5-5 9841 San Bernardino Cronise Valley, Mohave Desert. 304 Comment
  UCD90073  Hilaria rigida G. Thomas Robbins; Rimo Bacigalupi 1952-4-19 3432 San Bernardino along U.S. Highway 91, about 1 mile west of Cronese (Cronese Valley), Mohave Desert. 396 Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCD90075  Hilaria rigida A. H. Shunk 1923-1 6 San Bernardino Cima. Comment
  UCD90078  Hilaria rigida R. Tofsrud 1949-4-28 s.n. San Diego Hwy. 78, Anza Desert State Park. Comment
  UCD90080  Hilaria rigida R. Tofsrud 1949-4-28 s.n. San Diego Hwy. 78, Anza Desert State Park. Comment
  UCD90081  Hilaria rigida R. Tofsrud 1951-4-27 s.n. Imperial 5 mi N of Niland. Comment
  UCD90084  Hilaria rigida Collector Unknown 1951-10-1 s.n. San Bernardino Lucerne Valley. Comment
  UCD90086  Hilaria rigida H. S. Yates 1937-3-23 6442 Riverside 15 miles N. N. E. of Mecca. 457 Comment
  UCR100003  Hilaria rigida B. G. Pitzer 1997-10-18 3301 Imperial Sonoran (Colorado) Desert, Hwy 78, 7.1 road mi. south of town of Palo Verde and c. 5.4 mi. north of Walter's Camp Road 91 Comment
  UCR102680  Hilaria rigida B. G. Pitzer 1998-2-2 3479 Imperial Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes 61 Comment
  UCR104876  Hilaria rigida George K. Helmkamp, E. Helmkamp 1998-1-24 2596 Imperial Sonoran (Colorado) Desert, Gravel Rd south of Hwy I-8. Rocky hills at W edge of Fort Yuma Indian Reservation. 61 Comment
  UCR108114  Hilaria rigida Christopher Christie 1997-1-20 61 San Bernardino Eastern Mojave Desert/No. Sonoran (Colorado) Desert, Chemehuevi Mountains Wilderness Area 538 Comment
  UCR108122  Hilaria rigida Jon P. Rebman, Maggie Loy 1996-10-27 3771 Imperial Sonoran (Colorado) Desert, Algodones Dunes, north of Glamis. 60 Comment
  UCR109580  Hilaria rigida R. D. Goeden, Don W. Ricker 1977-1-25 s.n. Imperial Salton Trough, E of Niland, along SW side of Coachella Canal near siphon 6, c. 2 miles NE of the East Highline Canal at Flowing Wells 9 Comment
  UCR112125  Hilaria rigida A. C. Sanders, D. Malueg, K. D. Jones 1998-6-4 21957 San Bernardino Eastern Mojave Desert, Devil's Playground, along the powerline road near the rocky hills north of Sands siding 415 Comment
  UCR113514  Hilaria rigida Mitch Provance, V. Soza 1998-6-23 745 San Bernardino Desert Slope of the San Bernardino Mtns., east of Horsethief Flat, 0.5 km north of the Arrastre Creek Dam 1433 Comment
  UCR115399  Hilaria rigida June Latting 1977-12-11 s.n. Imperial Sonoran/Colorado Desert, east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road 69 Comment
  UCR118957  Hilaria rigida George K. Helmkamp, E. A. Helmkamp 1998-4-19 3359 San Bernardino Mojave Desert, northwest side of East Cronese Lake, about 15 miles west of Baker 335 Comment
  UCR120225  Hilaria rigida Scott D. White, Julie Greene 1998-7-21 6906 San Bernardino San Bernardino Mtns., Desert slope above Lucerne Valley. Mitsubishi Cement proposed quarry expansion directly west of existing Cushenbury Quarry and south of processing plant 1524 Comment
  UCR124099  Hilaria rigida Steven R. Hill 2001-5-3 33679 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR124331  Hilaria rigida P. A. Rauch 1966-4-15 s.n. San Bernardino Eastern Mojave Desert, 20 mi. SW of Baker, [Cronese Valley] on Barstow-Baker Hwy U.S. 91 476 Comment
  UCR127818  Hilaria rigida A. C. Sanders, Mark A. Elvin 2003-10-5 27277 San Bernardino Southern Mojave Desert, along Hwy 62 east of Twentynine Palms, c. 1 mile east of Old Dale 390 Comment
  UCR129809  Hilaria rigida Scott D. White 2001-4-17 8344 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR130313  Hilaria rigida A. C. Sanders, Mark A. Elvin 2003-10-5 27221 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, south of Skyline Ranch Rd. c. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, along wash beside Burns house 1265 Comment
  UCR132683  Hilaria rigida Beecher Crampton 1955-4-27 2625 San Bernardino Mojave Desert, 6.5 miles south [on Camp Rock Road?] of Daggett 976 Comment
  UCR133192  Hilaria rigida G. R. Ballmer 1999-6-19 s.n. San Bernardino Eastern Mojave Desert, Kelso Dunes c. 10 miles SW of Kelso 152 Comment
  UCR134720  Hilaria rigida June Latting 1958-4-6 216 San Bernardino Mojave Desert, Old Dale Road, 8 miles southeast of 29 Palms 488 Comment
  UCR135879  Hilaria rigida A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 27992 San Bernardino Mojave Desert, Lucerne Valley, on powerline road from Pisgah, at northern outlier of Cougar Buttes, 8 km NW of Soggy Dry Lake 1000 Comment
  UCR145101  Hilaria rigida A. C. Sanders, P. J. MacKay, Tim Thomas 2004-10-17 28909 San Bernardino Southern Mojave Desert, SW cove of Spy Mtn., east of Pipes Wash and Landers on a dirt road extension of 'University Blvd' going toward Giant Rock 866 Comment
  UCR145452  Hilaria rigida A. C. Sanders, Mark A. Elvin 2004-10-10 28955 San Bernardino Southern Mojave Desert, south end of the Sheephole Mtns. along Hwy 62, 2.8 miles west of Clarks Pass, 26.2 miles east of Utah Trail in Twentynine Palms 530 Comment
  UCR151227  Hilaria rigida Steve Boyd, Sula Vanderplank, V. Arvizu 2004-10-13 11607 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  UCR15786  Hilaria rigida Frank C. Vasek 1978-5-1 s.n. San Bernardino Mojave Desert, Saddle between Ord Mtn, and East Ord Mtn. 1433 Comment
  UCR165641  Hilaria rigida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR1673  Hilaria rigida W. R. Moberly 1962-4-23 620423- 02 San Bernardino Mojave Desert, 22 mi east of Twentynine Palms, along the Twentynine Palms/Rice Road 457 Comment
  UCR168498  Hilaria rigida H. M. Hall 1902-1 2847 San Diego Western Colorado Desert, Coyote Canyon 152 Comment
  UCR168499  Hilaria rigida Victor Duran 1932-5-12 3199 San Diego Peninsular Ranges/ Western Sonoran (Colorado) Desert, head of Box Canyon, near Mason Valley 793 Comment
  UCR168516  Hilaria rigida C. B. Wolf 1941-5-26 10667 San Bernardino Eastern Mojave Desert, Providence Mountains, 3.8 mi. west of Columbia Mine 1098 Comment
  UCR168633  Hilaria rigida Sarah J. De Groot, J. M. Porter, Lauren E. Machen 2003-10-9 3259 San Bernardino (Sonoran) Colorado Desert, WHIPPLE MOUNTAINS: Wash beside Atchison, Topeka, and Santa Fe Railroad tracks, just east of Vidal and Highway 95 176 Comment
  UCR168777  Hilaria rigida Sarah J. De Groot, J. M. Porter 2003-9-28 3222 San Bernardino Sonoran (Colorado) Desert, WHIPPLE MOUNTAINS: Along Highway 95 between Vidal Junction and Vidal 239 Comment
  UCR168983  Hilaria rigida Sarah J. De Groot, L. Lubinsky, L. L. Worlow 2004-10-5 4444 San Bernardino Sonoran (Colorado) Desert, WHIPPLE MOUNTAINS: SE of Savahia Peak, near Dollar Bill Mine. 413 Comment
  UCR171223  Hilaria rigida John F. Green 2005-3-3 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, east of Salton Sea, c. 4 mi N of Niland; Coachella Canal right of way, between siphons 10 and 11 46 Comment
  UCR17234  Hilaria rigida Frank C. Vasek 1976-10-30 s.n. San Bernardino Eastern Mojave Desert, Sacramento Mountains, South Pass, north of Interstate Hwy I-10 on University of California Sacramento Mountains Reserve 800 Comment
  UCR17266  Hilaria rigida Frank C. Vasek 1976-10-29 s.n. San Bernardino Eastern Mojave Desert, 2 mi north of Goffs on the road to Lanfair Valley Comment
  UCR177256  Hilaria rigida Scott D. White, Michael Honer 2003-5-3 9171 Imperial Sonoran (Colorado) Desert, Fish Creek Mountains, unnamed canyon draining SW-facing slope of the mtns; south of the operating US Gypsum quarries 213 Comment
  UCR182548  Hilaria rigida Mitch Provance 2001-5-5 4907 San Bernardino Eastern Mojave Desert, Clark Mountain, Keany Pass, narrow 4 mile long E to W oriented belt walked on the mesa and lower slopes south of the electric transmission lines 1494 Comment
  UCR183270  Hilaria rigida Jim Andre 1993-5-21 7703 San Bernardino Eastern Mojave Desert, Shadow Valley: along Excelsior Mine Rd in Shadow Valley, SE of Kingston Range 987 Comment
  UCR188177  Hilaria rigida A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34342 San Bernardino Central Mojave Desert, Ord Mountains, south of Tyler Valley, above gas line road extension of Harrod Rd. from south/ Ord Mtn. Rd from the north, west slope of hill 4835 1433 Comment
  UCR200435  Hilaria rigida Jim Andre 2007-12-6 9234 San Bernardino Mojave Desert, Kelso Dunes, along east side of Kelbaker Road, c. 3.5 mi south of Kelso 708 Comment
  UCR211009  Hilaria rigida A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36538 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  UCR211315  Hilaria rigida Jim Andre, T. La Doux 2009-2-26 9861 Imperial Sonoran (Colorado) Desert, Borrego Desert, low hills c. 1.5 mi northeast of Ocotillo and Fwy I-8 96 Comment
  UCR212553  Hilaria rigida Jon P. Rebman, Warren Schmidtmann, Larry Hendrickson, L. Louise Jee 2008-4-8 14387 Imperial Sonora (Colorado) Desert, Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, west of Hwy 86, Section 18 (SL 18), small arroyo off of Grave Wash 89 Comment
  UCR213392  Hilaria rigida A. C. Sanders 2010-3-15 37389 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR213393  Hilaria rigida A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37456 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR213763  Hilaria rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR214699  Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR215045  Hilaria rigida A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38268 San Bernardino Eastern Mojave Desert, Ivanpah Valley, western foot of metamorphic hill emerging from alluvium below Clark Mountain, 3.5 km NW (120 deg. ) of Primm Valley Golf Club, 5.3 km W of I-15 912 Comment
  UCR215958  Hilaria rigida Jim Andre, T. La Doux, Heath Bartosh, Robert E. Preston, Jepson Herbarium Workshop 2010-3-18 11947 San Bernardino Eastern end of Sacramento Mountains, along dirt road 4 miles south of I-40 at Hwy 95 junction, c. 1 mile east of Flattop Mtn. and 2 miles south of Eagle Peak 583 Comment
  UCR216267  Hilaria rigida Jim Andre 2009-8-15 10865 San Bernardino Eastern Mojave Desert, Cima Dome, alng Morningstar Mine Road, c. 2 mi northeast of town of Cima, Mojave National Preserve 1307 Comment
  UCR216624  Hilaria rigida Jim Andre 2010-4-23 13773 San Bernardino Eastern Mojave Desert, Bristol Mountains, along powerline road at northwest end of range, c. 25 miles west of Kelso Dunes, 10 miles ENE of Ludlow and 6 mi. north of I-40 665 Comment
  UCR216968  Hilaria rigida Jim Andre, T. La Doux, Heath Bartosh, Robert E. Preston, Jepson Herbarium Workshop 2010-3-19 12225 San Bernardino Sonoran (Colorado) Desert, Turtle Mountains; east side of Turtle Mountains, c. 0.3 mi. west of Hwy 95, 6 miles NNW of Vidal Junction 367 Comment
  UCR218523  Hilaria rigida Jim Andre 2010-4-7 12436 San Bernardino Eastern Mojave Desert, Mojave National Preserve, northeast end of Piute Range at foot of mountains along Old Homestead Road (historic), c. 6 mi west of Hwy 95 and 0.9 mi west of the Nevada border 820 Comment
  UCR218578  Hilaria rigida Jim Andre 2010-4-18 13052 San Bernardino Eastern Mojave Desert, Bobcat Hills, Mojave National Preserve, just south of Rattlesnake Mine along dirt road from Von Trigger Hills to Mojave Road/Piute Range, c. 0.3 mi. south of Mojave Road jct. and 2.5 mi. east of Lanfair Rd. 1145 Comment
  UCR219395  Hilaria rigida A. C. Sanders, A. Howald 2010-9-21 38604 Inyo Northeastern Mojave Desert, Pahrump Valley, east of the Nopah Range and NE of Calvada Springs, State Line Rd. 1.9 miles north of Old Spanish Trail Hwy 809 Comment
  UCR224066  Hilaria rigida Jim Andre 2010-9-29 14833 San Bernardino Eastern Mojave Desert, Cima Dome, Mojave National Preserve; along Morningstar Mine Rd 3 mi. NNE of Cima 1103.07 Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  UCR225092  Hilaria rigida A. C. Sanders, Chloe Scott, Onkar Singh, Josh Utter, Eve Laeger, Bill Clark 2011-5-3 39371 Inyo NE Mojave Desert, southern Pahrump Valley, south of Old Spanish Trail Hwy, off a N-S road at SW edge of Calvada Springs, east of Turtle Rock Way between Moon Path Lane and Two Hawk Rd. 815 Comment
  UCR225474  Hilaria rigida A. C. Sanders, Ann Howald, O. Singh, B. Elliott, E. Laeger, C. Scott, B. Clark 2011-4-20 39215 Inyo NE Mojave Desert, Pahrump Valley, 2.3 km south of Old Spanish Trail Hwy along dirt road along NV state line, near east end of Moon Path Lane 833 Comment
  UCR226152  Hilaria rigida Jim Andre 2011-3-31 16481 San Bernardino Mojave Desert, northern end of East Cronise Lake, along Cronise Lake Road 3.0 mi north of Hwy I-15, 16 mi west of Baker 320 Comment
  UCR227065  Hilaria rigida Jim Andre, Glenn L. Clifton 2011-3-17 16095 San Bernardino Mojave Desert, Dead Mountains, in deep canyon c. 2 mi east northeast of Manchester Peak, 2.5 mi west of Heedles Hwy 488 Comment
  UCR227289  Hilaria rigida Jim Andre, Tasha La Doux, Ron B. Kelley 2011-3-24 16274 San Bernardino Mojave Desert, Clipper Mountains, north of Tom Reed Mine, 6.5 mi north of Hwy 66 at Danby Road 743 Comment
  UCR227609  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 159 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR228388  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-7 123 Imperial Northwestern Colorado (Sonoran) Desert, southwest of Plaster City, north of Hwy 8, EC 350, main wash c. 1/2 mi west of Dunaway Road -38 Comment
  UCR228969  Hilaria rigida Jim Andre 2010-9-17 15252 San Bernardino Mojave Desert, Cima Dome, Mojave National Preserve, along Cima Road c. 2 miles southwest of Cima 1189 Comment
  UCR236841  Hilaria rigida Jon P. Rebman, Andrew Trouette, Victoria Marshall, M. Vazquez, T. Beltran 2010-4-3 18885 Imperial Sonoran (Colorado ) Desert, Southwest of Plaster City on BLM property in an area proposed for development of solar facility, S of Co Hwy S80 and N of I-8, NE of Ocotillo & W of El Centro, along powerline road 53 Comment
  UCR239242  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 166 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  UCR241804  Hilaria rigida A. C. Sanders, Ann Howald 2013-2-28 40553 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UCR244286  Hilaria rigida Jim Andre 2011-6-14 19682 San Bernardino Eastern Mojave Desert, Mojave National Preserve, Cima Dome; c. 2 mi. NE of town of Cima, along transmission line midway between Cima and Morningstar Rds 1312 Comment
  UCR245100  Hilaria rigida A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40365 Imperial Sonoran (Colorado) Desert, 0.65 mi. NW (293 deg. ) of Rainey Well (windmill) along BLM Rd. 549 (Niland-Blythe), south of Bradshaw Trail 546 Comment
  UCR2456  Hilaria rigida F. M. Reed, H. S. Reed 1937-5-5 9841 San Bernardino Mojave Desert, Cronese Valley 305 Comment
  UCR2457  Hilaria rigida F. M. Reed 1931-4-11 6941 Riverside Sonoran (Colorado) Desert, Chuckwalla Mesa, 'eastern Mohave Desert', near Fullers Well [=Chuckwalla Well?] 598 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
Read comments
Oct 1 2011
  UCR2461  Hilaria rigida F. M. Reed 1927-3-19 5670 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, east of Mecca 213 Comment
  UCR24648  Hilaria rigida K. K. Muller 1972-5-3 3091 San Bernardino Eastern Mojave Desert, 12 mi NW of Cima Comment
  UCR251776  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-5-4 1162 San Bernardino Southcentral Mojave Desert, Transition between San Bernardino Mountains and Little San Bernardino Mountains, Big Horn Sheep Wilderness, New Dixie Mine Road, just west of Hwy 247 1126 Comment
  UCR253417  Hilaria rigida Jim Andre 2012-9-27 22177 San Bernardino Eastern Mojave Desert, east of the New York Mountains, along Hart Mine Road 6.6 mi east of the junction with Ivanpah Road, c. 1 mi west of Hart Mine area 1371 Comment
  UCR255980  Hilaria rigida Naomi Fraga, Caitlin Elam, Bryce Kunzel 2013-9-12 4505 San Bernardino San Bernardino Mountains, Bighorn Mountain Wilderness, slope southeast of Blue Cut and west of the terminus of Mound Spring Road 1859 Comment
  UCR258090  Hilaria rigida Naomi Fraga, Mare Nazaire 2013-9-26 4581 San Bernardino San Bernardino Mountains, Bighorn Mountain Wilderness, saddle at head of west fork of Ruby Canyon 1641 Comment
  UCR259433  Hilaria rigida Jim Andre 2011-10-22 22427 San Bernardino East Mojave Desert, Providence Mountains, Mojave National Preserve, 1.1 mi east of Foshay Pass along transmission line road 1273 Comment
  UCR260056  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-6 41275 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  UCR260218  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-10 41378 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR262366  Hilaria rigida Laney Widener 2011-5-19 011 San Bernardino West Mojave Desert, Bristol Mountains located to the north side of NN0013 at the top of the first hills 627 Comment
  UCR262908  Hilaria rigida Sarah J. De Groot, Cheryl Sevilla 2014-9-22 7322 San Bernardino Mojave Desert, north side of Hwy 62 just northwest of Clark's Pass, south end of the Sheep Hole Mountains, northeast edge of the Pinto Mountains, southeast of Dale Lake 601 Comment
  UCR262929  Hilaria rigida Sarah J. De Groot, Cheryl Sevilla 2014-10-20 7350 San Bernardino Southeast Vidal Valley, along powerline road west-southwest of Hwy 95 just southwest of Vidal Wash, 0.6 mi west-southwest from Hwy 95, 1.3 air mi south of Vidal, about 5 air mi west of the Colorado River. Northern bajada of the Riverside Mountains 189 Comment
  UCR263654  Hilaria rigida David Fraker, Aaron C. Sedgwick 2012-3-22 022 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR264760  Hilaria rigida Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-25 28778 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, southwest of Palo Verde, west of old Palo Verde Road, north of Milpitas Wash & west of Hwy 78 235 Comment
  UCR264802  Hilaria rigida Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28763 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, SW of Palo Verde, on the rocky slopes and canyons just east of old Palo Verde Road, north of Milpitas Wash and west of Hwy 78 205 Comment
  UCR266569  Hilaria rigida A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41904 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range 441 Comment
  UCR267208  Hilaria rigida Fred M. Roberts, Carol A. Roberts 2014-11-11 7918 San Bernardino Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte 387 Comment
  UCR267656  Hilaria rigida Jim Andre 2014-5-1 30306 San Bernardino Castle Peaks, Mojave National Preserve, far western end of Castle Peaks, 0.5 mi east of Ivanpah Road, 3.5 mi north of Barnwell and just east of New York Mountains 1307 Comment
  UCR272021  Hilaria rigida Thomas R. Stoughton, Sarah J. De Groot 2016-2-23 2056 San Bernardino Western Mojave Desert, northeast slope of San Bernardino Mountains off Hwy 247 at New Dixie Mine Road 1158 Comment
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  UCR275426  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR275476  Hilaria rigida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Sonoran (Colorado) Desert, dune system along Midland-Rice Road, south of Arica Mountains 305 Comment
  UCR275640  Hilaria rigida Jim Andre 2016-2-22 34675 San Diego Borrego Desert, Anza Borrego State Park, along north side of Route S-22 at scenic overlook, 8.6 mi east of Hwy 86, Salton City 185 Comment
  UCR276646  Hilaria rigida Jim Andre, Tasha La Doux, Senna T. Andre, Elias C. Andre 2015-12-8 33665 San Bernardino Eastern Mohave Desert, Whipple Mountains, far northwest corner of range, 0.2 mile east of US Hwy 95, 37 miles south of Needles 390 Comment
  UCR276666  Hilaria rigida Jim Andre 2015-11-9 33629 San Bernardino Eastern Mojave Desert, Dead Mountains, far north end of range, at summit of BLM Road NM029, trasmission line road 720 Comment
  UCR277547  Hilaria rigida Mitch Provance 2008-3-15 10075 Imperial Chocolate Mountains Region, E side of Hwy 78, about 7 miles NNE of intersection with Ogilby Rd., 2 miles N of Buzzards Peak, c. 2.5 miles NNE of the border checkpoint 335 Comment
  UCR278078  Hilaria rigida Jim Andre 2016-3-14 35682 San Bernardino Eastern Mojave Desert, east side of Old Woman Mountains, along Sunflower Springs Road 0.6 mile west of Water Road at major transmission lines, c. 25. miles south of Hwy I-40 630 Comment
  UCR278761  Hilaria rigida Onkar Singh, B. Huttar 2015-3-16 5095 Imperial Sonoran (Colorado) Desert, Imperial Valley, Naval Air Facility El Centro Target 103, c. 12 km NNW of Plaster City 35 Comment
  UCR279052  Hilaria rigida A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-9 42774 B Imperial Sonoran (Colorado) Desert, plateau above slot canyon near head of Mammoth Wash, Chocolate Mountains 506 Comment
  UCR279256  Hilaria rigida Onkar Singh 2016-4-26 5780 San Bernardino Mojave Desert, Fort Irwin National Training Center, c. 4.7 km SSW of Bitter Spring 454 Comment
  UCR281014  Hilaria rigida Fred M. Roberts 2016-3-5 7988 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  UCR281907  Hilaria rigida A. C. Sanders, Jim Malusa 2017-9-21 43358 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR282317  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 803 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  UCR30531  Hilaria rigida John C. Roos 1949-5-14 4301 San Bernardino Southern Mojave Desert/San Bernardino Mtns., Rock Corral, north base of the mountains 1067 Comment
  UCR32010  Hilaria rigida E. W. Lathrop 1977-11-13 7852 Imperial Sonoran (Colorado) Desert, 2.5 mi west of Plaster City [along Historic State Hwy 80] 67 Comment
  UCR33131  Hilaria rigida James Henrickson 1978-5-28 17292 San Bernardino Mojave Desert, c. 5.5 mi west of Barstow, 0.5 mi north of Lenwood exit of Interstate 40 976 Comment
  UCR37724  Hilaria rigida George K. Helmkamp 1983-10-8 B- 33 San Bernardino Little San Bernardino Mountains, TNC Big Morongo Preserve, in Big Morongo Canyon, south of town of Morongo Valley in Big Morongo Canyon 762 Comment
  UCR41472  Hilaria rigida A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6185 Imperial Sonoran (Colorado) Desert, Yuha Desert, c. 5 miles airline south of Plaster City, in fossil oyster beds along a dirt road c. 5 mi south of the Dunaway Road exit off Hwy I-8 61 Comment
  UCR41510  Hilaria rigida A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6155 Imperial Sonoran (Colorado) Desert, N end of Algodones Dunes, East Mesa at east end of Montgomery Road, c. l mi east of Highline Canal 18 Comment
  UCR45005  Hilaria rigida L. F. LaPre, B. Pitzer 1986-9-19 268 Imperial Sonoran (Colorado) Desert, Cibola area, lower Milpitas Wash, NW of Three Finger Lake, Colorado River Valley 76 Comment
  UCR55771  Hilaria rigida J. A. Adams 1966-3-17 513 San Diego Sonoran (Colorado) Desert, Anza-Borrego State Park, 5 miles north of Borrego Springs 152 Comment
  UCR59709  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR59848  Hilaria rigida George K. Helmkamp 1989-9-17 s.n. Imperial Sonoran (Colorado) Desert, Colorado River Valley; 0.5 mi west of Palo Verde at 4th Street 72 Comment
  UCR60833  Hilaria rigida Steve Boyd, Orlando Mistretta 1986-3-13 1464 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR64568  Hilaria rigida B. L. Phillips 1990-9-14 1018 San Bernardino Mojave Desert, Twentynine Palms Marine Corps Air-Ground Combat Center, Lava Artillery Range, Bullion Mountains, c. 5 mi (airline) NW of Cleghorn Pass 612 Comment
  UCR68066  Hilaria rigida B. G. Pitzer 1991-6-4 1746 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, Emerson Range c. 4 km south of Hidalgo Mtn 734 Comment
  UCR68490  Hilaria rigida B. G. Pitzer, C. Sylber 1991-7-28 1818 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, 'West' artillery range, large wash c. 1 air km WNW of base golf course and c. 5 air km SE of Camp Wilson, c. 4 air km SSE of S tip of Deadman Lake 612 Comment
  UCR70234  Hilaria rigida B. G. Pitzer, S. Bliss 1991-10-2 1843 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, 'Sand Hill' Artillery Range, c. 6.5 km airline SW of Surprise Spring, & 9 air km east of Landers. At Tortoise Study Plot 2 795 Comment
  UCR75088  Hilaria rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12140 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR75541  Hilaria rigida A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13787 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  UCR84841  Hilaria rigida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16205 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR85750  Hilaria rigida George K. Helmkamp 1994-4-26 88- 01 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  UCR86308  Hilaria rigida Scott D. White 1995-4-12 2840 San Bernardino Mojave Desert, Just north of State Route 62 (Twentynine Palms Hwy), at intersection with Ironage Road 404 Comment
  UCR92640  Hilaria rigida George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCR98430  Hilaria rigida John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCSB10757  Hilaria rigida Haller, John 1961-8-25 San Bernardino U.S. Highway 91, 6.2 mi. SW of the California-Nevada state line, 43 mi. NE of Baker 883 Comment
  UCSB12413  Hilaria rigida Atwater, Illani 1961-3-26 San Bernardino South side of road, 20 miles west of Baker on U.S. Highway 91 Comment
  UCSB18910  Hilaria rigida Keefe, Joseph 1965-5-18 Riverside Along Pines to Palms Highway, 8 miles east of Pinyon Flats Campground 914 Comment
  UCSB19258  Hilaria rigida Keefe, Joseph 1961-4-8 San Bernardino Kelso Sand Dunes, 2.4 miles south of Kelso on the road to Amboy Comment
  UCSB22333  Hilaria rigida Hook, Robin 1968-4-26 San Bernardino Black Canyon Road, 9.8 miles north of junction with Mitchell Caverns Road, Providence Mtns. 1280 Comment
  UCSB22569  Hilaria rigida Flinck, Al; Cummings, Bob 1966-4-23 San Bernardino Road from Amboy to Kelso, Granite Mtns. Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  UCSB30505  Hilaria rigida Schroeder, Gail 1976-3-18 San Diego .25 mi. W. on Henderson Canyon Rd. from intersection with Borrego Springs Rd., beside road 207 Comment
  UCSB393  Hilaria rigida Beeks, Richard 1952-4-5 Riverside 12 miles east of Shavers Summit Comment
  UCSB40424  Hilaria rigida Kiehn, David 1980-3-1 San Diego 100 feet from the south side of road S-2 in Sweeny Cyn. area 33 mi. SE. on road S-2 from its junction with Calif. 78 274 Comment
  UCSB41589  Hilaria rigida Rice, Stanley 1978-4-22 San Bernardino Along road leading from Interstate 40 (starting about 30 mi east of Ludlow) into Providence Mountains to Hole in the Wall campground; about 10 mi. south of campground Comment
  UCSB43486  Hilaria rigida Fugle, Dorothy 1982-5-15 San Bernardino Ivanpah Road, 3 miles east from its junction with Union Pacific Railroad, New York Mnts. 1066 Comment
  UCSB45492  Hilaria rigida Fairbank, K. 1979-4-22 San Bernardino 1.5 miles north of the junction of Essex and Black Canyon Road on Black Canyon Road 1127 Comment
  UCSB50171  Hilaria rigida Lain, Maria 1978-4-23 San Bernardino Hole in the Wall Recreation Site, Providence Mountains 1310 Comment
  UCSB51279  Hilaria rigida Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  VVC1573  Hilaria rigida A. C. Sanders, PJ MacKay, Tim Thomas 2004-10-17 28909 San Bernardino Southern Mojave Desert, SW cove of Spy Mtn., east of Pipes Wash and Landers on a dirt road extension of "University Blvd" going toward Giant Rock 866 Comment
  VVC2234  Hilaria rigida Jim Andre, L. Clifton 2009-10-24 11311 San Bernardino Mojave Desert, Von Trigger Hills; growing on rocky knolls at Von Trigger spring. 1069 Comment
  VVC563  Hilaria rigida Scott D. White 1995-5-11 3032 San Bernardino Iron Mtns, Ward Valley, N base of Iron mtns. Along powerline rd. on bajada above Danby Dry Lake 290 Comment
  VVC609  Hilaria rigida P. J. MacKay, T. Thomas 1996-9-7 29 San Bernardino Mojave Desert, Rodman Mountains, ca. Camp Rock Mine and Cinder Cone. 1549 Comment
  GH341005  Hilaria rigida T. Coulter 752 Unknown California. Comment
  GH341012  Hilaria rigida A. C. V. Schott 1854-1-1 Unknown Colorado desert Comment
  GH341014  Hilaria rigida W. G. Wright 1881-03-01 - 1881-04-01 184 Unknown Colorado Desert, Cal. Comment
  OBI74437  Hilaria rigida David J. Keil 1983-4-17 16912 San Diego Anza-Borrego State Park, near Borrego Springs Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  RSA0078657  Hilaria rigida B. A. Stein 1988-4-30 4175 San Bernardino Granite Mts., S. of Kelso, Sheep Corral at SE end of range. 1100 Comment
  RSA0135568  Hilaria rigida G. Rink 2013-3-20 11900 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET10522073  Hilaria rigida David B. Dunn 1941-4-9 Dunn 1033 San Diego Anz-Borrego Desert State Park--Palm Canyon. Sandy desert above the larrea fransera. Comment
  SEINET10522074  Hilaria rigida A. K. Evans 1976-4-13 Evans 5133 Riverside Rocky slopes of Santa Rosa mountains. Comment
  SEINET10522077  Hilaria rigida Billy Joe Cox 1975-4-23 Cox 4131 Imperial Palo Verde, 1-3 km W, (ca 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  SEINET10522080  Hilaria rigida David B. Dunn 1949-5-14 Dunn 5620 San Bernardino Collected Eurotia and other low shrubs in sandy soil at the turn-off to the Fossil Pit road from the Hwy 7 mi N of Barstow. Comment
  SEINET10522081  Hilaria rigida David B. Dunn 1946-3-16 Dunn 2079 Riverside Collected on arid slope in Pushawalla Canyon about 1 mi above the main Palm group. Indio Hills. Comment
  SEINET10598930  Hilaria rigida Christopher Davidson, Alan Romsport; H. Surprenant 1979-4-28 Davidson 7785 Imperial Off Interstate 8 on Sidewiner Rd, ca. 1.5 mi NW of Pilot Knob. Creosote bush scrub. Narrow runoff channel and desert pavement on either side. Assoc.:Croton wigginsiae, Petalonyx thurberi, Encelia fainosa, Ambrosia dumosa & Eriogonum deserticola. 79 Comment
  SEINET10598939  Hilaria rigida Carl C. Epling Epling s.n. Los Angeles Wash near Saltan Sea. 5 Comment
  SEINET10598940  Hilaria rigida Harvey M. Hall Hall 2118 Unknown Eastern base, along the borders of the Colorado Desert. Comment
Read comments
Apr 1 2018
  SEINET10598941  Hilaria rigida Love 1942-10-8 LOVE s.n. San Bernardino 15 miles northwest of Indio, desert country. Comment
  SEINET10598942  Hilaria rigida Victor Duran 1932-5-12 Duran 3199 San Diego Head of Box Canyon, near Mason Valley. Comment
  SEINET10598944  Hilaria rigida LeRoy R. Abrams 1903-4-2 Abrams 3155 San Diego Signal Mt. Colorado desert. Comment
  SEINET10598945  Hilaria rigida Marcus E. Jones 1929-9-16 Jones 24799 Unknown East of Desert Center. Comment
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Apr 7 2018
  SEINET10598946  Hilaria rigida F. R. Fosberg 1932-4-23 Fosberg 8044 San Bernardino Branch road to Richs Well 15 mi.e. Old Woman Spr. Sandy desert. Comment
  SEINET10598947  Hilaria rigida Joseph A. Ewan 1931-4-2 Ewan 4096 Riverside Common in gravelly soil 10 miles north of Edon. Comment
  SEINET10598948  Hilaria rigida Unknown Anonymous s.n. Unknown Fort Yuma. Comment
  SEINET10860777  Hilaria rigida James S. Henrickson 1969-10-19 Henrickson 4208 San Diego In Lower Borrego Valley along Old Kane Springs Road ca 12 air m se of Borrego Springs; forming colony 1 ft, diameter 1.5-2 ft high in sandy oil of colorado desert vegetation. 61 Comment
  SEINET10860778  Hilaria rigida Samuel B. Parish, W. F. Parish 1881-1 Parish 880 San Bernardino Desert. Comment
  SEINET10926756  Hilaria rigida Charles L. Hitchcock 1940-4-3 Hitchcock 5934 Riverside 11/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SEINET10926757  Hilaria rigida M. C. Wiegand, G. B. Upton 1922-4-10 Wiegand 3006 San Bernardino In sand, 7 miles east of Ludlow, Mohave Desert. Comment
  SEINET10933655  Hilaria rigida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2871 Riverside Pushawalla Canyon, Indio Hills. On dry plateau. Channel 1/2 mi NW. Comment
  SEINET11678260  Hilaria rigida S. B. Parish, Parish, W. F. 1882-1 880 Unknown Mojave Desert, San Bernardino Comment
  SEINET11678261  Hilaria rigida Unknown 1936-1 12548 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  SEINET11678262  Hilaria rigida E. A. Purer 1935-1 6299 Imperial along old stage route Comment
  SEINET11695948  Hilaria rigida E. A. York 1990-1 2679 San Bernardino 8 mi SW of Baker, Zzyzx Road, California State University, Desert Studies Center Comment
  SEINET11695949  Hilaria rigida E. A. York 1990-1 2679 San Bernardino 8 mi SW of Baker, Zzyzx Road, California State University, Desert Studies Center Comment
  SEINET4585063  Hilaria rigida J. Davy 1902-4-2 15 Riverside Salton Comment
  SEINET4585068  Hilaria rigida B. Crampton 1967-5-23 7960 San Bernardino Mojave Desert, 31 miles west of Baker on U.S. HWY 466, near midway about 5 miles west of Mt. Afton 762 Comment
  SEINET8548280 Image available Hilaria rigida Naomi Fraga, Felix Meraz 2013-10-9 4624 San Bernardino Mojave Desert; Southcentral Mojave Desert Region: Bighorn Mountain Wilderness. South of BLM Road RC 3208. (Bighorn Canyon) 1483 Comment
  UCD89922  Hilaria rigida Katherine Brandegee Date unknown s.n. Imperial Colorado Desert. Comment
  UCD90082  Hilaria rigida Collector Unknown Date Unknown s.n. Unknown California: County unknown. Comment
  UCD90085  Hilaria rigida Collector Unknown 1934-11-1 Unknown California: county unknown. Sent to Davis from S. California. Comment
  UCSB36480  Hilaria rigida Gordon, Patricia 1980-3-8 San Diego 20 miles SE from Anza-Borrego Park entrance, on Road S-2 396 Comment
  UCSB42358  Hilaria rigida Corsino, Linda 1980-3-26 San Diego Just outside Anza-Borrego Park Boundary, on road between Park Headquarters and Borrego Springs 304 Comment
  CDA15601  Pleuraphis rigida G. F. Hrusa, J. A. Hart 1993-4-5 10639 San Bernardino Mojave Desert; Along Kelbaker Rd. immed. E of Kelso Sand Dunes. Comment
  CDA17429  Pleuraphis rigida G. F. Hrusa, P. Akers 2005-9-28 16752 San Bernardino Mojave Desert; Rd. to Afton Cyn. Wildlife Refuge, +/- 2 mi. S of I-15. 487 Comment
  CDA21210  Pleuraphis rigida G. F. Hrusa, J. A. Hart 1993-4-4 10599 San Diego Anzo-Borrego Desert; E side of Coyote Cyn. Comment
  CDA32625  Pleuraphis rigida T. C. Fuller 1958-4-8 2925 Imperial 1 mile west of Davis Lake, Colorado River. 0 Comment
  CDA32626  Pleuraphis rigida T. C. Fuller 1961-10-19 7274 San Bernardino Barstow Rd., 6.9 miles north of Lucerne Valley. 0 Comment
  CDA32627  Pleuraphis rigida A. A. Beetle 1942-4-22 3174 Imperial Junction of Route 80 and road to Ogilby 0 Comment
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  GMDRC2647  Pleuraphis rigida J. Andre 2007-12-6 9234 San Bernardino Kelso Dunes: Kelso Dunes: along east side of Kelbaker Rd, approx 3.5 mi. S. of Kelso, growing in deep sandy bank (dune) along margin of large wash 34 deg. 58.127' N 115 deg. 38.678' W. Elev. 2322 ft. 708 Comment
  GMDRC3568  Pleuraphis rigida J. Andre 2009-8-15 10865 San Bernardino Cima Dome: Mojave National Preserve; along Morningstar Mine Rd, approx 2 mi. NE of town of Cima, Mojave National Preserve USGS 7.5 min Quad: Mid Hills 35 deg. 16.939' N 115 deg. 29.849' W. Elev. 4286 ft. 1307 Comment
  GMDRC4131  Pleuraphis rigida J. Andre 2010-4-7 12436 San Bernardino Piute Range: Mojave National Preserve, NE end of Piute Range at foot of mountains along Old Homestead Rd (historic), approx. 6 mi. W. of Hwy 95, 0.9 mi. W. of Nevada border 820 Comment
  GMDRC985  Pleuraphis rigida G. L. Clifton 2001-4-1 31216 San Bernardino Kelso Dunes: Kelso Dunes: Kelso Dunes in sandy depressions between hummocks of big galleta grass Near 34 deg. 53.525' N 115 deg. 42.457' W. Elev. 2590 . 790 Comment
  JEPS122518  Pleuraphis rigida J. Andre with T. La Doux, H. Bartosh, R. Preston, JEPS Herbarium Workshop 2010-3-19 12225 San Bernardino Turtle Mountains; east side of Turtle Mountains, approx. 0.3 mi west of Highway 95, 6 miles NNW of Videl Junction. Videl NW 7.5' Q. Comment
  JEPS123634  Pleuraphis rigida J. Andre, T. La Doux, Bart O'Brien 2007-10-24 8762 San Bernardino Clark Mountain Range, along Yates Well Road, approx. 1.5 miles NW of Colosseum Mine Road, N side of Clark Mountain. Comment
  JEPS20661  Pleuraphis rigida Reino Alava and Rimo Bacigalupi with J. R. Sweeney and Aloha Alava 1958-4-5 1960 San Bernardino in gore corner formed by junction of US Highways 66 and 95 about 5 mi due s Needles; Mohave Desert, s of Needles 231 Comment
  JEPS20731  Pleuraphis rigida Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13233 Riverside on road to Midland and Bythe 2.4 mi s Rice Comment
  JEPS22169  Pleuraphis rigida Rimo Bacigalupi with Paul C. Hutchison 1958-2-17 6137 Imperial 1.5 mi s Gold Rock Ranch (on road from Ogilby to Blythe, by way of Midway Well); Colorado Desert 137 Comment
  JEPS68840  Pleuraphis rigida Annie M. Alexander and Louise Kellogg 1939-5-2 360 San Bernardino Pisgah 603 Comment
  JEPS70529  Pleuraphis rigida W. L. Jepson 1912-6-8 4823 San Bernardino near Barstow; Mohave Desert, near Barstow 792 Comment
  JEPS70530  Pleuraphis rigida W. L. Jepson 1912-6-7 4810 San Bernardino sw Barstow (Mohave Desert); Mohave Desert 640 Comment
  JEPS70531  Pleuraphis rigida W. L. Jepson 1913-5-11 5485 San Bernardino Needles 137 Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  JEPS72956  Pleuraphis rigida W. L. Jepson 1941-5-1 20544 San Bernardino e end Kelso Sand Dunes; Mohave Desert, e end of Kelso Sand Dunes 640 Comment
  JEPS7454  Pleuraphis rigida G. Thomas Robbins and Rimo Bacigalupi 1952-4-19 3431 San Bernardino along U.S. Highway 91 about one mi w Cronese, Cronese Valley; Mohave Desert 396 Comment
  JEPS7455  Pleuraphis rigida G. Thomas Robbins and Rimo Bacigalupi 1952-4-19 3432 San Bernardino along U.S. Highway 91 about one mi w Cronese (Cronese Valley); Mohave Desert 396 Comment
  JEPS75358  Pleuraphis rigida L. R. Heckard 1976-3-15 4224 Imperial along route 78, 0.8 mi e San Diego County line Comment
  JEPS75610  Pleuraphis rigida W. L. Jepson 1935-4-20 17100 San Diego Borrego Mt. Comment
  JEPS76044  Pleuraphis rigida W. L. Jepson 1937-5-10 18358 San Bernardino between Mitchell's Caverns and Essex 548 Comment
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May 26 2014
  JOTR16785  Pleuraphis rigida Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. LOST HORSE RANGER STATION ACCESS ROAD 1341 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  JOTR28779  Pleuraphis rigida La Doux, Tasha 2003-9-4 1048 San Bernardino Joshua Tree National Park. Little San Bernardino Mountains, near Key's ranch (Desert Queen Ranch) Comment
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30071  Pleuraphis rigida La Doux, Tasha, Bill Truesdell 2006-10-3 1714 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR31755  Pleuraphis rigida La Doux, Tasha 2009-9-24 2071 San Bernardino Joshua Tree National Park. North Coxcomb Mountains, east of Clark's Pass; Stop 1: south of Highway 62, sandy wash at base of rocky slopes 649 Comment
  JOTR31962  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  JOTR32119  Pleuraphis rigida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2277 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR32449  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  POM1025  Pleuraphis rigida I. M. Johnston s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  POM1027  Pleuraphis rigida H. M. Hall 1902-04 2847 Riverside Coyote canyon 152 Comment
  POM116973  Pleuraphis rigida Marcus E. Jones 1906-5-2 s.n. San Bernardino Kelso 915 Comment
  POM116974  Pleuraphis rigida Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM117048  Pleuraphis rigida Marcus E. Jones 1884-5-3 s.n. San Bernardino The Needles. Comment
  POM118377  Pleuraphis rigida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM121845  Pleuraphis rigida Marcus E. Jones 1926-1-21 s.n. San Diego Yaqui Well, Colorado Desert. Comment
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Jun 29 2011
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  POM156234  Pleuraphis rigida Le Roy Abrams 1903-4-20 3155 Imperial Signal Mountain Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  POM194917  Pleuraphis rigida Roxana S. Ferris 1928-4-22 7178 Imperial 5 miles south Midway Well on the Blythe/Glamis Rd Comment
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Oct 23 2011
  POM214743  Pleuraphis rigida Victor Duran 1932-5-12 3199 San Diego Head of Box Canyon, near Mason Valley Comment
  POM296106  Pleuraphis rigida Lyman Benson 1933-3-31 4159 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  POM296112  Pleuraphis rigida Lyman Benson 1937-4-25 8260 San Bernardino Cronese Valley, 18 miles W of Baker, Cronese Lake Watershed. 488 Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  POM431207  Pleuraphis rigida J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  POM7107  Pleuraphis rigida P. A. Munz 1919-5-7 2790 Riverside Mouth of Tahquitz Canyon. Comment
  POM8116  Pleuraphis rigida Mary F. Spencer 1920-3-27 1533 Riverside Palm Springs Comment
  POM8365  Pleuraphis rigida P. A. Munz, I. M. Johnston, R. D. Harwood 4137 San Bernardino Vicinity of Bonanza King Mine, East Slope of Providence Mountains, Mojave Desert. 915 Comment
  POM8492  Pleuraphis rigida P. A. Munz, R. D. Harwood 1920-3-3 3538 San Bernardino Fenner 610 Comment
  RSA0012218  Pleuraphis rigida A. C. Sanders, A. Howald 2010-9-21 38604 Inyo Pahrump Valley, east of the Nopah Range and NE of Calvada Springs, State Line Rd. 1.9 miles north of Old Spanish Trail Hwy 809 Comment
  RSA0012780  Pleuraphis rigida Duncan S. Bell, Kim Clark, Megan Ferguson, Calamity Jane Ferguson, Amber Swanson, Jane Tirrell, Adriana VanKlaveren 2013-3-17 4573 Imperial The Jacumba Mountains; collecting in Davies Canyon, approximately 3.75 air miles south of the town of Ocotillo. 233 Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  RSA0013231  Pleuraphis rigida April Garbat, Sarah De Groot 2013-3-28 35 San Bernardino Hwy 62 in a sandy valley ~16 mi E of junction with Hwy 177. 247 Comment
  RSA0013243  Pleuraphis rigida Justin M. Wood 2010-5-25 1895 San Bernardino Horsethief Flat via SBNF road 3N03A. 1513 Comment
  RSA0013272  Pleuraphis rigida April Garbat, Sarah De Groot 2013-3-27 27 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA0013275  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 43 Riverside Graham Pass Rd in a wash 5.6 mi S of Chuckwalla Springs Rd. 427 Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA0014646  Pleuraphis rigida April Garbat, Kristin Forgrave 2013-6-13 88 San Bernardino BLM Rd 021 off Sunflower Springs Rd S of Essex, both sides of the road 1021 Comment
  RSA0014647  Pleuraphis rigida April Garbat, Sarah De Groot 2013-5-2 63 San Bernardino Approx. 4.2 mi W of Hwy 95. Along Pyramid Butte Rd/BLM rd 634/ East Mojave Heritage Trail in wash N of road by a knobby hill. 459 Comment
  RSA0015604  Pleuraphis rigida Erika Gardner, Caitlin Elam, Lorraine Washburn, Rachel Poutasse 2013-9-26 507 San Bernardino Bighorn Mountain Wilderness. Along granitic ridgeline south of New Dixie Mine Rd. approximately 8.6 miles west of Old Woman Springs Rd. Comment
  RSA0019778  Pleuraphis rigida April Garbat, Rachel Poutasse 2013-3-20 10 Riverside Graham Pass Rd, S 5 miles from junction with Chuckwalla Rd. In drainage/wash to west of rd, 1 mile S of power lines. 145 Comment
  RSA0020187  Pleuraphis rigida Duncan S. Bell, Caitlin Elam, Sarah Fisher 2013-8-6 5589 San Bernardino Bighorn Mountains; on the west side of Old Woman Springs Road near the community of Landers, about 2 air miles northeast of Ruby Mountain. 1046 Comment
  RSA0020279  Pleuraphis rigida Duncan S. Bell, Tim Brockway, David Brotman, Kim Clark, Mike DePatie, Reenu Garg, John Randall, Sean Reynolds 2013-9-21 5952 San Bernardino Castle Mountains; south section of the range, just to the southeast of Hart Mine. 1328 Comment
  RSA0020880  Pleuraphis rigida Jim Andre 2013-3-3 23972 Imperial Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing. 38 Comment
  RSA0021527  Pleuraphis rigida Jim Andre 2013-3-27 24809 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA0021839  Pleuraphis rigida Duncan S. Bell, Grace Cho, Caitlin Elam 2013-8-15 5634 San Bernardino Bighorn Mountains; north of New Dixie Mine Road on the west side of Ruby Mountain about 0.25 air mile west of its summit. 1225 Comment
  RSA0026126  Pleuraphis rigida Jim Andre 2013-9-19 25652 San Bernardino Castle Mountains: along Walking Box Ranch Rd., approx. 2 miles NE of Hart Mine area, at Jct of BLM road NN120. 1383 Comment
  RSA0027562  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 96 San Bernardino Dale Mining District. Several miles S of Hwy 62, toward Virginia Dale Mine. In shallow broad wash all along road, before and after the pass. On BLM Rd 1934/Gold Crown Rd. Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  RSA0027583  Pleuraphis rigida Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 38 San Bernardino From Desert Center, take Hwy 177 north for 17 miles. Turn E on Palen Pass Rd/Coxcomb Monument Rd and travel 2.3 miles to site. 183 Comment
  RSA0027613  Pleuraphis rigida April Garbat, Kristin Forgrave 2013-7-31 94 San Bernardino Coyote Lake, near Copper Mtn and Twentynine Palms. From Yucca Valley, take Hwy 62 E for 10.8 miles. Turn left on Coyote Valley Rd, continue for 3.1 miles. Turn right on Reagan Rd and continue for 2 miles. BLM Rd 1716 and 1725. 731 Comment
  RSA0027626  Pleuraphis rigida Deidre Conocchioli, Billy Sale 2013-10-23 113 Imperial North of Yuha Desert. From El Centro: Take I-8 W for 13.3 miles. Exit at Dunaway Rd, turn right onto Dunaway road and continue for 0.7 miles to collection site on west side of road. 2 Comment
  RSA0031253  Pleuraphis rigida Naomi Fraga, Mare Nazaire 2013-9-26 4581 San Bernardino Bighorn Mountain Wilderness. Saddle at the head of the west fork of Ruby Canyon. 1641 Comment
  RSA0031411  Pleuraphis rigida April Garbat, Kristin Forgrave 2013-7-10 90 San Bernardino Midland-Vidal Rd near Vidal, S of the railroad tracks. 182 Comment
  RSA0031414  Pleuraphis rigida Deidre Conocchioli, Joshua Paolini 2013-8-29 36 San Bernardino Southern rim of Danby Lake (dry bed). From Parker, travel 43.5 miles on CA-HWY 62 West. Collection made on south side of highway. 1045 Comment
  RSA0033787  Pleuraphis rigida Naomi Fraga, Feliz Meraz 2013-10-9 4624 San Bernardino Bighorn Mountain Wilderness. South of BLM Road RC3208. 1484 Comment
  RSA0033795  Pleuraphis rigida Naomi Fraga, Valentin Arvizu, Deidre Conocchioli, Ernesto Osuna 2013-11-6 4648 San Bernardino Bighorn Mountain Wilderness. Just above head of east fork of Ruby Canyon. 1459 Comment
  RSA0033983  Pleuraphis rigida Naomi Fraga, Caitlin Elam, Bryce Kunzel 2013-9-12 4505 San Bernardino Bighorn Mountain Wilderness. On slope SE of Blue Cut and west of the terminus of Mound Spring Road. 1859 Comment
  RSA0039884  Pleuraphis rigida Sarah J. De Groot, Cheryl S. Sevilla 2014-5-21 7131 San Bernardino Bighorn Mountains: Bighorn Wilderness area, along road toward old mine, west of Vaughn Spring. Northwest of Pioneertown and Yucca Valley, north of Tip Top Mountain. 1826 Comment
  RSA0039915  Pleuraphis rigida Sarah J. De Groot, Deidre Conocchioli, Duncan Bell, Perrine Veguer 2014-4-16 7068 San Bernardino Bighorn Mountains: New Dixie Mine Road (BLM RC 2330) at eastern-most big wash, southeast of Ruby Mountain, west of Landers. 1143 Comment
  RSA0039925  Pleuraphis rigida Sarah J. De Groot, Cheryl S. Sevilla 2014-5-14 7119 San Bernardino Bighorn Mountains: Along the south side of Hondo Wash, BLM road RC 1418 off the end of Tracy Blvd, west of Flamingo Heights. Northeast tip of Black Lava Butte. 1143 Comment
  RSA0041455  Pleuraphis rigida Duncan S. Bell, LeRoy Gross 2014-3-20 6278 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0041869  Pleuraphis rigida Jim Andre 2013-10-14 26339 San Bernardino Cima Cinder Cones; Mojave Natl. Preserve; along Aiken Mine Rd, 4.2 mi. northeast of Aiken Mine. 1215 Comment
  RSA0042425  Pleuraphis rigida Sarah J. De Groot, Grace O. Cho 2013-9-26 7014 San Bernardino Northeast San Bernardino Mountains, Bighorn Mountain area: top of hill along Bighorn Mountain ridge, at summit '5641'. 1720 Comment
  RSA0047012  Pleuraphis rigida Sarah J. De Groot, Cheryl S. Sevilla 2014-10-20 7350 San Bernardino Southeast Vidal Valley; along powerline road west-southwest of Highway 95 just southwest of Vidal Wash, 0.6 mile west-southwest from Highway 95, 1.3 air miles south of Vidal, about 5 air miles west of the Colorado River., Northern bajada of the Riverside Mountains. 189 Comment
  RSA0047670  Pleuraphis rigida Jim Andre 2013-3-20 26205 San Bernardino In low sandy hills on east side of range, 0.7 mi. west of Needles Hwy, approx. 4 mi. N. of I-40 at Needles. 183 Comment
  RSA0050252  Pleuraphis rigida J. M. Andre 2013-9-5 25437 San Bernardino along CA/NV border (in CA), 1.3 mi. NNW of Primm NV, growing at base of limestone hills 819 Comment
  RSA0050467  Pleuraphis rigida Sarah J. De Groot, Cheryl S. Sevilla 2014-9-22 7322 San Bernardino North side of Highway 62 just northwest of Clark's Pass, south end of the Sheep Hole Mountains, northeast edge of the Pinto Mountains, southeast of Dale Lake. 601 Comment
  RSA0050487  Pleuraphis rigida Duncan S. Bell 2014-3-7 6216 San Bernardino Newberry Mountains; northeast section of mountain range; collecting within the Newberry Mountains Wilderness area; about 4 air miles north of Kane Springs. 922 Comment
  RSA0060518  Pleuraphis rigida Sarah J. De Groot, Naomi Fraga, Cheryl Sevilla, Silvia Olivares 2014-8-23 7262 San Bernardino Along Excelsior Mine Road, north of road fork to Winters Pass, north of Kingston Wash, north end of Shadow Valley, northeast of Shadow Mountains, southeast of Kingston Range, west of Mesquite Mountains., About 5.1 air miles southwest of Winters Pass. 1032 Comment
  RSA0065643  Pleuraphis rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 37 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  RSA0067715  Pleuraphis rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-23 48 San Bernardino Mojave Desert; Newberry Mountains; Along Camp Rock Road 6.4 air miles south of I-40; 1.8 air miles south of Azucar Mine. 1173 Comment
  RSA0067930  Pleuraphis rigida J. M. Andre 2014-5-1 30306 San Bernardino Castle Peaks: Mojave Natl. Preserve; far western end of Castle Pks, 0.5 mi. east of Ivanpah Rd, 3.5 mi. north of Barnwell and just east of New York Mtns. 1306 Comment
  RSA0068132  Pleuraphis rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-25 69 San Bernardino Mojave Desert; Water Valley; north of Hinkley; east of Harper Dry Lake; off Hinkley road on BLM road 6285; 7.7 air miles north of Highway-58. 641 Comment
  RSA0072270  Pleuraphis rigida Jon Rebman, J. LaGrange, W. Schmidtmann 2014-9-26 28833 Imperial Algodones Dunes area: east of Brawley; north of Hwy 78 at Glamis & west of the railroad & Ted Kipf Road; on the eastern edge of the dune field. 90 Comment
  RSA0082493  Pleuraphis rigida Jim M. Andre 2015-3-29 31523 San Bernardino Ivanpah Valley; 0.3 mi. east of RR tracks along BLM Rd# NN113, about 8 mi. south of Primm, approx. 4 mi. north of Nipton, just in CA. 873 Comment
  RSA0084224  Pleuraphis rigida Jim Andre 2011-9-19 19524 San Bernardino Cima Dome: 0.5 mi. NE of Cima Rd at summit, approx. 1 mi. N. of Kessler Spring. 1443 Comment
  RSA0084769  Pleuraphis rigida Jim Andre 2014-3-3 27610 San Bernardino Newberry Mountains: in upper Kane Wash drainage, south end of Newberry Mtns, along pipeline road 0.8 mi. east of Camp Rock Rd., northeast of Ord Mtn. 1155 Comment
  RSA0084794  Pleuraphis rigida Jim Andre 2013-9-11 26956 San Bernardino Mojave Natl. Preserve: along Essex Rd, 5.1 mi. north of jct with Interstate 40. 743 Comment
  RSA10817  Pleuraphis rigida Victor Duran 1932-5-12 3199 San Diego Head of Box Canyon, near Mason Valley Comment
  RSA114072  Pleuraphis rigida Annetta Carter, Francia Chisaki 1953-4-5 3235 San Bernardino 20 miles south of Needles Comment
  RSA124065  Pleuraphis rigida E. K. Balls, Percy C. Everett 1958-3-20 22925 Imperial 3.7 mi. N of Ogilby on road to Blythe. 152 Comment
  RSA129650  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 miles E of Whitewater; elv. 1000 ft 305 Comment
  RSA129651  Pleuraphis rigida D. Axelrod 1935-5-13 347 San Bernardino 3.5 miles ESE of Fifteenmile Point. 915 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  RSA129653  Pleuraphis rigida H. S. Yates 1937-6-25 6650 San Bernardino 1/2 mile NW of Monarch Flat. Comment
  RSA172331  Pleuraphis rigida R. F. Thorne 1963-4-12 32455 San Bernardino 9 miles NE of Yucca Valley, SW edge Mojave Desert. 1220 Comment
  RSA20226  Pleuraphis rigida Roxana S. Ferris, Ruth P. Rossbach 1938-5-14 9500 San Bernardino 1.5 miles from Box S Ranch on road to Box S Springs Comment
  RSA211985  Pleuraphis rigida E. C. Twisselmann 1969-6-4 15623 San Bernardino Water Valley (NE of Harper Dry Lake) Comment
  RSA24262  Pleuraphis rigida C. B. Wolf, R. Wertheim 1941-1-23 9838 San Bernardino 8.5 miles N of Essex on road to Cima 762 Comment
  RSA24688  Pleuraphis rigida C. B. Wolf 1941-5-1 10199 San Bernardino S.E. end of Kelso Sand Dunes, 7 miles S. of Kelso on Amboy Rd. 762 Comment
  RSA247075  Pleuraphis rigida R. F. Thorne, C. W. Tilforth 1973-6-19 43942 San Bernardino E Mojave Desert, Providence Mountains: Globe Canyon, N end of mountains c. 7 miles NE of Kelso (by road); upper part of canyon below mine 1402 Comment
  RSA248045  Pleuraphis rigida R. F. Thorne, C. W. Tilforth 1973-5-30 43592 San Bernardino 1 mile E of Joshua Tree 838 Comment
  RSA251992  Pleuraphis rigida R. F. Thorne, C. W. Tilforth 1973-5-31 43735 San Bernardino E Mojave Desert, N. slope New York Mountians, 0.5 mile N of Vanderbilt 1220 Comment
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Dec 14 2011
  RSA269504  Pleuraphis rigida B. A. Prigge 1973-4-28 759 San Bernardino Clark Mt Range, 5 miles E of Mt Pass, 1.2 miles W of I-15 X Nipton Rd, [map included with specimen] 1036 Comment
  RSA271051  Pleuraphis rigida James Henrickson 1973-8-29 12584 San Bernardino 63 (air) miles ENE of Baker, 3.6 (rd) miles E of Hwy 15 on Nipton Road towards Nipton 854 Comment
  RSA272047  Pleuraphis rigida James Henrickson, B. A. Prigge 1977-10-22 16285 San Bernardino 4 miles E of Cima on road towards Cabin Springs; on N side of Mid Hills just W of New York Mountains. 1585 Comment
  RSA27235  Pleuraphis rigida C. L. Hitchcock 1940-4-20 6138 San Bernardino NE part of county in desert wash, 4 miles below Horse Springs 915 Comment
  RSA272371  Pleuraphis rigida James Henrickson 1978-5-28 17292 San Bernardino Ca 5.5 miles W of Barstow, 0.5 mile N of Lenwood exit of Interstate 40 976 Comment
  RSA273302  Pleuraphis rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument, Riverside County. Comment
  RSA27478  Pleuraphis rigida I. L. Wiggins 1941-3-24 9612 Imperial 6 miles northeast of Niland on road to Beal Well., [Lat. 33Y16'39.5'' Long 115Y 25' 45''] Comment
  RSA275262  Pleuraphis rigida B. A. Prigge, Robert F. Thorne, et al. 1977-10-29 2350 San Bernardino Mojave Desert, Granite Mountains: Willow Springs area. 1280 Comment
  RSA275575  Pleuraphis rigida R. F. Thorne, C. W. Tilforth, A. Shmida, B. Prigge, et al. 1978-5-9 51238 San Bernardino Kelso Dunes: southern edge of Kelso Dunes near Bull Canyon Wash from Granite Mountains 732 Comment
  RSA27805  Pleuraphis rigida C. L. Hitchcock 1940-4-3 5934 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA278661  Pleuraphis rigida B. A. Prigge 1978-4-21 2551 San Bernardino 2.9 miles NW of Lavic near railroad crossing 640 Comment
  RSA281051  Pleuraphis rigida S. F. Warrick 1978-5-25 96 San Bernardino Granite Mountains, Eastern Mojave Desert. Upper Bull Canyon. 1372 Comment
  RSA288802  Pleuraphis rigida R. F. Thorne, C. W. Tilforth, B. Prigge, et al. 1977-10-29 50736 San Bernardino Providence Mountains: Bonanza King Mine area. 1265 Comment
  RSA289291  Pleuraphis rigida Charles Convis 1980-4-8 114 Imperial Western Salton Basin, 27 km due WNW of Westmorland -35 Comment
  RSA296027  Pleuraphis rigida B. G. Baldwin 1980-4-26 56 San Bernardino 11 miles N, 14.5 miles W of Kelso 564 Comment
  RSA296883  Pleuraphis rigida R. D. Stone, Steve Castagnoli, Greg de Nevers 1980-4-23 50 San Bernardino Bajada above Kingston Wash, SE flank of range, 0.25 mile N of BM 2646 823 Comment
  RSA297397  Pleuraphis rigida Larry E. DeBuhr 1976-11-12 2426 San Bernardino Along I-15; about 1 mile east of Afton turnoff. Comment
  RSA301617  Pleuraphis rigida Greg de Nevers, Steve Castagnoli, R. Doug Stone 1980-4-28 75 San Bernardino Crystal Spring 1159 Comment
  RSA326158  Pleuraphis rigida John F. Emmel 1982-10-5 834 Riverside Northeast slope of Santa Rosa Mountains; near base of mts. Guadalupe Creek 341 Comment
  RSA336042  Pleuraphis rigida R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52021 Riverside Chino Canyon Comment
  RSA342565  Pleuraphis rigida R. F. Thorne, WA Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54055 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
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Apr 25 2011
  RSA349063  Pleuraphis rigida R. F. Thorne, Avi Shmida 1978-5-5 51810 San Bernardino Cushenbury Canyon: lower end of canyon, north slope of San Bernardino Mountains. 1315 Comment
  RSA349862  Pleuraphis rigida T. S. Elias, K. Tomlinson, D. Kama, M. Williams 1985-3-15 9219 San Diego Anza-Borrego Desert State Park; Arroyo Hueso Comment
  RSA38919  Pleuraphis rigida Edith A. Purer 1935-4-19 6299 Imperial Along old stage route Comment
  RSA414075  Pleuraphis rigida Robert Gustafson, Gary D. Wallace 1982-5-19 2567 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA414077  Pleuraphis rigida M. B. Dunkle 1935-4-17 4574 Imperial E of Beal Well Comment
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA414081  Pleuraphis rigida J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  RSA414082  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7785 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  RSA414083  Pleuraphis rigida C. B. Wolf 1941-5-26 10667 San Bernardino Mojave Desert, Providence Mts., 3.8 miles W of Columbia Mine 1098 Comment
  RSA414084  Pleuraphis rigida M. B. Dunkle 1934-3-30 3926 b San Bernardino Rock Corral Comment
  RSA414085  Pleuraphis rigida Robert M. Perkins, H. de Forest 1937-4-13 421 San Bernardino Road to Rice Comment
  RSA414086  Pleuraphis rigida M. B. Dunkle 1933-5-7 3456 San Diego Mesa east of Borrego Mt. Comment
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Sep 14 2011
  RSA414087  Pleuraphis rigida Edith A. Purer 1938-4-15 7396 San Diego Borego Valley. Comment
  RSA414088  Pleuraphis rigida Paul C. Silva 1941-3-29 26 (4) San Diego Foot of Palm Canyon, Borrego Valley, Colorado Desert. Comment
  RSA456758  Pleuraphis rigida D. Charlton, Barbara Pitzer 1988-5-7 1847 San Bernardino E Mojave Desert, on ranch road between Essex road and Black Canyon Road at Colton Well. Providence Mountains; E of Mitchell Caverns. 762 Comment
  RSA4907  Pleuraphis rigida C. B. Wolf 1932-4-27 3023 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA491633  Pleuraphis rigida Steve Boyd, L. Arnseth, S. Meury, D. Nordin, R. Noyes, Timothy S. Ross 1988-4-8 1742 San Bernardino West side of Ord Mountain. North of Lucerne Valley. 15 miles south of I-40 on Camp Rock Road near Tyler Valley. 1524 Comment
  RSA507492  Pleuraphis rigida J. C. Aulenbrock 1985-4-10 33 San Bernardino B.L.M. Wilderness Study Area #328, ca.35 miles E of Twentynine Palms, E of Clark's Pass at north end of Coxcomb Mountains., Near 115 deg 29'W, 34 deg 05'N 701 Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA518177  Pleuraphis rigida Steve Boyd 1990-10-3 5151 San Bernardino Providence Mountains., Road over Foshay Pass, W side of range, 11.2 mi E of Kelbaker Rd. Comment
  RSA518328  Pleuraphis rigida H. Green, Lorin Hicks 1978-4-12 s.n. San Bernardino Cadiz Valley, E Mojave Desert; Just N of Riverside County line, near jct. of Hwy 62 with Hwy 177 Comment
  RSA518526  Pleuraphis rigida H. Green, Lorin Hicks s.n. San Bernardino Ward Valley; W of Needles. Comment
  RSA525289  Pleuraphis rigida Walter Wisura 1991-4-28 4494 San Bernardino 27.3 mi E of 29 Palm along the Hwy 62. Comment
  RSA526372  Pleuraphis rigida Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA527866  Pleuraphis rigida B. Pitzer 1991-6-4 1746 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA554037  Pleuraphis rigida B. Pitzer, C. Sylber 1991-7-28 1818 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA554231  Pleuraphis rigida J. Wear, Tim Wade 1991-5-22 91 -74 San Bernardino Landers (future landfill site), ca. 15 kilometers (air) N of Yucca Valley., [two locations:] (Yucca Valley North USGS Quad: T2N R6E SE/4 sec.20 & NE/4 sec.29/ Joshua Tree North USGS Quad: T2N R6E SW/4 sec.21 & NW/4 sec. 28). 915 Comment
  RSA554343  Pleuraphis rigida B. Pitzer, S. Bliss 1991-10-2 1843 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA562055  Pleuraphis rigida Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 s.n. Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA575737  Pleuraphis rigida S. J. Darbyshire, J. Cayouette 1994-9-17 4635 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 Comment
  RSA600180  Pleuraphis rigida L. C. Wheeler 1959-12-29 7652 Imperial Barren Mountains. Deyan Mine. Comment
  RSA623839  Pleuraphis rigida Arthur R. Kruckeberg 1940-5-25 4612 San Bernardino Eastern Mohave desert near Baker Comment
  RSA626509  Pleuraphis rigida Scott D. White, Julie Green 1998-7-21 6906 San Bernardino Mitsubishi Cement proposed quarry expansion directly west of existing Cushenbury Quarry and S of processing plant 1524 Comment
  RSA643571  Pleuraphis rigida Scott D. White 1995-4-12 2840 San Bernardino Just north of State Rt. 62, at intersection w. Ironage Rd. Comment
  RSA651756  Pleuraphis rigida N. J. Chatterton, C. M. McKell 1966-4-26 s.n. San Bernardino B.L.M. enclosure in Section 15 northeast of Colton Well. Comment
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Jun 9 2013
  RSA651789  Pleuraphis rigida Marion P. Harthill 1973-3-1 1640 San Bernardino Zzyyx [Zzyzx] 304 Comment
  RSA663857  Pleuraphis rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13 km NE of Desert center on Hwy 177., 47 deg 47'N, 115 deg 18'W. Comment
  RSA670356  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA676044  Pleuraphis rigida Scott D. White 2001-4-17 8344 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA676134  Pleuraphis rigida J. M. Porter, Susan Hobbs, Orlando Mistretta 2003-2-20 s.n. Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Algodones Wilderness Comment
  RSA676320  Pleuraphis rigida J. M. Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 s.n. Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area., N32 deg 55'18.9'', W 115 deg 5' 26.3''. Comment
  RSA678074  Pleuraphis rigida Sarah J. De Groot 2002-11-29 810 San Diego Anza-Borrego Desert State Park Comment
  RSA678444  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -A Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA681930  Pleuraphis rigida LeRoy Gross, Steve Boyd, Michael Denslow, Lisa Rojas 2003-10-21 1169 San Bernardino Cat Mountain; In the Cronise Mountains, just north of the Interstate 15 freeway, west of Baker.Exit at Basin Road. 355 Comment
  RSA682681  Pleuraphis rigida Scott D. White, Michael Honer 2003-5-3 9171 Imperial Fish Creek Mountains. Unnamed canyon draining SW facing slope of the mtns; south of the operating US Gypsum quarries. 152 Comment
  RSA690982  Pleuraphis rigida Scott D. White, Michael Honer 2003-5-14 9306 -A Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine. 76 Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA697728  Pleuraphis rigida J. Russell Bruff 1928-4-1 153 San Bernardino 29 Palms. Comment
  RSA697729  Pleuraphis rigida J. Russell Bruff 1928-4-1 91 Riverside Mesa above Whitewater. Comment
  RSA700267  Pleuraphis rigida LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1226 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  RSA701292  Pleuraphis rigida Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11607 San Bernardino Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  RSA702357  Pleuraphis rigida Steve Boyd, Tammy Morgan 2004-3-30 10683 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  RSA704245  Pleuraphis rigida Gary D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA704367  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-3-1 1155 San Bernardino Colorado Desert: Northeastern Colorado Desert Region: Whipple Mountains: Dune OHV area near Echo Lodge, along Parker Dam road. Comment
  RSA704368  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-3-18 1502 San Bernardino WHIPPLE MOUNTAINS: Along old Needles-Parker road between highway 62 and Colorado River aqueduct. 244 Comment
  RSA704369  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-3-1 1128 San Bernardino Whipple Mountains: Across Parker Dam Road from Bass Point. Comment
  RSA704370  Pleuraphis rigida Sarah J. De Groot, Michael Denslow 2003-3-19 1797 San Bernardino Whipple Mountains: Wash near intersection of Highway 95 and East Mojave Heritage Trail, west of Pyramid Butte. 405 Comment
  RSA704510  Pleuraphis rigida Sarah J. De Groot, Michael Denslow 2003-3-19 1869 San Bernardino WHIPPLE MOUNTAINS: West side, along East Mojave Heritage Trail, east of Pyramid Butte. 447 Comment
  RSA704624  Pleuraphis rigida Sarah J. De Groot, Angela Gatto 2003-4-20 2458 San Bernardino WHIPPLE MOUNTAINS: Old road heading west from Copper Basin, off Bowman's wash road. 421 Comment
  RSA705416  Pleuraphis rigida J. Barth 2005-1-29 154 San Diego Anza-Borrego Desert State Park. On mesa above west bank of San Felipe Wash in southeast part of square. 198 Comment
  RSA705857  Pleuraphis rigida LeRoy Gross, Amber Maurice 2005-3-17 1654 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Marble Mountains; Just east of Kelbaker Road, short distance south from Highway 40., Near 34.70881N, 115.67629W, to 34.71046N, 115.67184W. General collecting in and along south draining wash, and to base of steep sided rock cliff to the east, then north to a saddle. 836 Comment
  RSA706260  Pleuraphis rigida LeRoy Gross 2005-4-12 1859 San Bernardino Mojave Desert; Southcentral Mojave Desert region: Marble Mountains; north of gas line road (mile 69), south of Highway 40, east of Kelbaker Road., General collecting from low hills north up near rocky cliff, then west northeast into a canyon bottom that I followed into the mountains a short distance. 863 Comment
  RSA706372  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter, Naomi Fraga, Lauren Machen 2003-5-3 2691 San Bernardino WHIPPLE MOUNTAINS: S/SE side along aqueduct road, SW of Bowman's wash. 298 Comment
  RSA706479  Pleuraphis rigida Sarah J. De Groot, Naomi Fraga 2003-10-26 3410 San Bernardino WHIPPLE MOUNTAINS: West of Copper Basin, bluff at end of road into BLM Wilderness area from Bowman's Wash, upper Whipple Wash. 669 Comment
  RSA707019  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-9-28 3212 San Bernardino WHIPPLE MOUNTAINS: Near west end of Copper Basin, upper Bowman's wash. Along old road into BLM Wilderness area. 450 Comment
  RSA707046  Pleuraphis rigida Sarah J. De Groot, Krina De Groot, Leland Lubinsky, Linda Lee Worlow 2004-3-16 3684 San Bernardino WHIPPLE MOUNTAINS: BLM Wilderness, south of highest peak along wash north of road into south side of range, north of aqueduct. 805 Comment
  RSA707364  Pleuraphis rigida Sarah J. De Groot 2004-3-30 4030 San Bernardino WHIPPLE MOUNTAINS: Road along north side of range, past War Eagle mine; between powerline and mine. 374 Comment
  RSA707372  Pleuraphis rigida Sarah J. De Groot, Tasha LaDoux 2003-5-21 2984 San Bernardino WHIPPLE MOUNTAINS: West side of range, along old Needles-Parker road. Dark volcanic bluff east of road and coarse sandy wash. 476 Comment
  RSA707640  Pleuraphis rigida Sarah J. De Groot 2004-4-11 4103 San Bernardino WHIPPLE MOUNTAINS: West of Copper Basin, off road into BLM Wilderness area from upper Bowman's Wash. Tributary of Whipple Wash, just downstream from ''window,'' at intersection of 2 washes. 512 Comment
  RSA707675  Pleuraphis rigida Sarah J. De Groot 2004-4-26 4195 San Bernardino WHIPPLE MOUNTAINS: BLM Wilderness area, along summit ridge between D&W mine and highest peak. 825 Comment
  RSA709273  Pleuraphis rigida Sarah J. De Groot, Tasha LaDoux 2003-5-21 2966 San Bernardino WHIPPLE MOUNTAINS: North side of range, along road past War Eagle mine. 416 Comment
  RSA710505  Pleuraphis rigida J. Barth 2005-2-1 205 San Diego Anza-Borrego Desert State Park near southern base of Santa Rosa Mts; 0.1 mile northwest of where Palo Verde Wash Rd. meets Hwy 22. 265 Comment
  RSA711751  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-10-10 3317 San Bernardino Whipple Mountains: Chute below summit of Cupcake Butte, north of Whipple Wash. 790 Comment
  RSA712199  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky 2004-10-16 4521 San Bernardino WHIPPLE MOUNTAINS: North fork of Whipple Wash, a few miles E of summit. 915 Comment
  RSA712384  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky 2004-10-16 4466 San Bernardino WHIPPLE MOUNTAINS: Ridge S of middle fork of Whipple Wash, NE of large dark bluff. 634 Comment
  RSA713199  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter, Lauren Machen 2003-10-9 3259 San Bernardino WHIPPLE MOUNTAINS: Wash beside Atchison, Topeka, and Santa Fe Railroad tracks, just E of Vidal and Highway 95. 176 Comment
  RSA713472  Pleuraphis rigida Sarah J. De Groot, Krina De Groot, Linda Lee Worlow 2004-3-18 3799 San Bernardino WHIPPLE MOUNTAINS: Summit of Cupcake Butte, NW of Whipple Wash. 859 Comment
  RSA713637  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-9-28 3222 San Bernardino WHIPPLE MOUNTAINS: Along Highway 95 between Vidal Junction and Vidal. 239 Comment
  RSA714363  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky 2005-2-28 4751 San Bernardino Ward Valley. Stabilized sand dune area a few miles west of Rice, along MWD dirt road heading S from Hwy 62. 264 Comment
  RSA714845  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky, Linda Lee Worlow 2004-10-5 4444 San Bernardino WHIPPLE MOUNTAINS: SE of Savahia Peak, near Dollar Bill Mine. 413 Comment
  RSA714956  Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4626 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA718770  Pleuraphis rigida Michael Honer, L. Hulse 2004-4-4 1931 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA719221  Pleuraphis rigida Sarah J. De Groot, Tasha LaDoux 2003-5-20 2916 San Bernardino WHIPPLE MOUNTAINS: Hills between War Eagle Mine and summit ridge. Near 519 Comment
  RSA719801  Pleuraphis rigida Sarah J. De Groot, Tasha LaDoux 2003-5-19 2882 San Bernardino Whipple Mountains: Copper Basin Dunes OHV area near Echo Lodge, along Parker Dam road. 120 Comment
  RSA720732  Pleuraphis rigida J. M. Porter 2001-4-20 12487 San Bernardino Whipple Mountains: Just W of Colorado River, Copper Basin Dunes OHV area. Comment
  RSA725148  Pleuraphis rigida Steve Boyd 2007-10-29 11794 San Bernardino Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40 915 Comment
  RSA734386  Pleuraphis rigida D. M. McF 1954-5-26 s.n. San Bernardino North end of Lucerne Valley; Mojave Desert. 915 Comment
  RSA735496  Pleuraphis rigida LeRoy Gross 2008-4-1 3144 San Bernardino Northwest end of the Sheep Hole Mountains; Along east side of Amboy Road, around Sheep Hole Pass. Parked at a tramission tower just off the road., General collecting along bajada to west side of mountains, up ridge to 34.23506N, 115.70664W. Then down south side of this ridge to dry canyon bottom at 34.23458N, 115.70953W. Then follow this canyon bottom back out of the mountains. This collection nearer to 715 Comment
  RSA736273  Pleuraphis rigida Jim Andre, Tasha La Doux, Bart O'Brien 8762 San Bernardino Clark Mountain Range: along Yates Well Rd, pprox 1.5 mi. NW of Colosseum Mine Rd, N. side of Clark Mtn. 1377 Comment
  RSA745373  Pleuraphis rigida Duncan S. Bell, Valentin Arvizu 2009-6-12 364 San Bernardino Clark Mountains: in the vicinity of the Umberci Mine area. 1227 Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA750515  Pleuraphis rigida LeRoy Gross 2009-4-6 3753 San Bernardino Southwest section of the Cady Mounatins: Areas North and east of Black Butte Mine, northwest of the Sleeping beauty section. Southeast of the transmission line road., Started near 34.81756N 116.34121W traveled SE to small saddle that had little amount of sand blowed on the slope to the east of this, near 34.80312N 116.33066W. Then west to Black Butte Mine, and follow a drainage NNE from the mine site. 755 Comment
  RSA756194  Pleuraphis rigida Michael Honer, Greg Hoisington 2007-4-5 2494 San Bernardino Bajada SW of Cady Mountains: Appx 1.2 mi. N of Hwy 40; 2.6 mi. W of Hector Rd. Near old talc mine. 600 Comment
  RSA756427  Pleuraphis rigida Michael Honer 2008-5-28 3131 San Bernardino Along winding 4WD road traversing broad bajada N of Hondo Wash. Appx. 3.6 mi. W of Highway 247 in Flamingo Heights / Landers area, 1 mi. NW of Black Lava Butte. 1265 Comment
  RSA757439  Pleuraphis rigida Michael Honer 2008-4-12 3015 San Bernardino Hondo Wash: 2.2 mi. W of intersection of Hondo St. and Highway 247 in Flamingo Heights - Landers area. 1159 Comment
  RSA757727  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA757875  Pleuraphis rigida Michael Honer, J. P. Charpentier 2008-9-5 3203 San Bernardino Ivanpah Valley: along pipeline service road about 0.5 mi. E of Interstate 15; 2.6 mi. N of Nipton Road. 836 Comment
  RSA758404  Pleuraphis rigida Michael Honer, Kristin Marsh 2008-3-19 2865 San Bernardino Dark volcanic hills along SW arm of Cady Mountains. Appx. 4.7 mi. N of Interstate 40, 3 mi. W of Hector Rd. 640 Comment
  RSA760039  Pleuraphis rigida Gregory Pongetti 2005-4-3 41768 San Bernardino BLM land, north 4 miles on Sunfair Road from Highway 62, 3.5 miles east of Sunfair Road on nameless dirt road running parallel to hills, telephone pole, and tamarixk tree at intersection of Sunfair and dirt road. Comment
  RSA761076  Pleuraphis rigida Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-7 123 Imperial SW of Plaster City. N of Hwy 8. EC 350. Main wash approx. 1/2 mile W of Dunaway Rd. -38 Comment
  RSA761079  Pleuraphis rigida Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 159 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  RSA765983  Pleuraphis rigida Jim Andre 2010-4-23 13738 San Bernardino Granite Mountains; Mojave National Preserve; along powerline road approx 6 mi. southwest of Kelso Dunes at Budweiser Wash. 591 Comment
  RSA767073  Pleuraphis rigida Jim Andre, Tasha La Doux 2010-3-1 12536 San Diego Borrego Desert; along Hwy S-2 6.5 mi. N. of Ocotillo in wash on west side of road. 269 Comment
  RSA767221  Pleuraphis rigida Tasha La Doux, J. Andre 2010-3-11 491 San Bernardino Turtle Mts.; along Turtle Mtn. Road heading toward Homer (also called Colton) Wash, northwest end range, west of Mohawk Spring 490 Comment
  RSA768017  Pleuraphis rigida Jim Andre, Glenn L. Clifton 2010-3-26 13252 San Bernardino Piute Range; Mojave National Preserve; along Old Gov't Road (Mojave Road) approx. 9 mi. west of U.S. Hwy 95, on eastern flanks of range., NAD 83 892 Comment
  RSA772267  Pleuraphis rigida Sarah J. De Groot, Mary Motheral 2010-4-24 6339 San Bernardino Whipple Mountains: Along drainage below cove, NE of highest peak along summit ridge. 713 Comment
  RSA774027  Pleuraphis rigida Laney Widener 2011-5-19 11 San Bernardino Bristol Mountains located to the North side of NN0013 at the top of the first hills 627 Comment
  RSA774028  Pleuraphis rigida Laney Widener 2011-5-10 9 San Bernardino Sheephole Pass off of Amboy Road- South of Amboy CA and on the west side of Sheephole Mountains 693 Comment
  RSA774661  Pleuraphis rigida Duncan S. Bell, Donna Thomas 2011-5-20 2503 San Bernardino Flat Top; north of Pioneertown and east of Rimrock. 1339 Comment
  RSA774947  Pleuraphis rigida Duncan S. Bell 2011-5-14 2437 San Bernardino The Silurian Hills; predominant peak/ridgeline northeast of Owl Canyon. 1120 Comment
  RSA774963  Pleuraphis rigida Duncan S. Bell 2011-4-20 2277 San Bernardino Bristol Mountains; western section of this mountain range; approximately 6 air miles northeast of Ludlow, south side of Powerline Road. 693 Comment
  RSA774968  Pleuraphis rigida Duncan S. Bell 2011-4-21 2289 San Bernardino Along Kane Wash between the Newberry Mountains and the Rodman Mountains; in the vicinity of Kane Springs. 968 Comment
  RSA775120  Pleuraphis rigida Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5026 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66015 750 Comment
Read comments
May 22 2012
  RSA775432  Pleuraphis rigida Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2214 San Bernardino Iron Mountains; south section of the mountain range, entering from the southwestern side, approximately 4.5 air miles northwest of Granite Pass. 489 Comment
  RSA775667  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 803 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA775671  Pleuraphis rigida Jim Andre 2010-5-19 14744 San Bernardino Ivanpah Mountains; Mojave National Preserve; south end of Ivanpah Valley approx. 3 mi. south of Nipton Road and 5 mi. SW of Nipton. 830 Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA776203  Pleuraphis rigida Amber Swanson 2011-4-1 320 San Bernardino Sand dunes near Cronese Dry Lake. 330 Comment
  RSA776383  Pleuraphis rigida Amber Swanson 2011-4-8 372 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA776874  Pleuraphis rigida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-5-4 1162 San Bernardino Transition between San Bernardino Mountains and Little San Bernardino Mountains, Big Horn Sheep Wilderness, New Dixie Mine Road, just west of Hwy 247 1126 Comment
  RSA776908  Pleuraphis rigida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA777466  Pleuraphis rigida Jim Andre 2010-9-18 14910 San Bernardino Ivanpah Valley; Mojave National Preserve; along transmission line road 1.7 miles NE of RR tracks, approx. 2 miles ESE of NIpton, in southeastern Ivanpah Valley 1014 Comment
  RSA777862  Pleuraphis rigida Amber Swanson 2011-4-9 404 San Bernardino 1.2 air mi N of Jct of Hwy 62 and Aqueduct Rd 203 Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA778422  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA778493  Pleuraphis rigida Duncan S. Bell 2009-3-8 60 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA778524  Pleuraphis rigida Amber Swanson, Linda Jean Foster 2011-10-8 634 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA778669  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-11 78 San Bernardino Highway 62 Ironage Road Pulloff. Around Dale Lake Sand Dunes Area, Sheep Hole Mountains Wilderness. 413 Comment
  RSA779482  Pleuraphis rigida Sarah J. De Groot, Erin Tripp 2011-5-6 6718 San Bernardino SHEEP HOLE MOUNTAINS, SW Mojave Desert: East side of saddle east of Sheep Hole Pass, ridge along wash running ~N40 E, south of saddle. NE side of main ridge of the mountains 758 Comment
  RSA779620  Pleuraphis rigida Duncan S. Bell 2010-4-1 658 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA779690  Pleuraphis rigida Duncan S. Bell 2010-4-2 701 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA779810  Pleuraphis rigida Duncan S. Bell 2009-3-9 99 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA779843  Pleuraphis rigida Jim Andre 2010-5-30 15747 San Bernardino Mid Hills; Above Chicken Water Spring, approx. 4 miles south of Cima Road, 4 miles west of Cedar Canyon Road 1478 Comment
  RSA780227  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 104 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA780575  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-25 168 San Bernardino Hondo Street. Off highway 247. Follow road about 1.5 miles to sandy wash. 1116 Comment
  RSA781986  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-20 152 San Bernardino Highway 40, Mountain Springs exit, roadside, about 5 miles from Goff. 837 Comment
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA782136  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-19 142 San Bernardino Just before Chemehuevi wash on East Mojave Heritage Trail Road off Highway 95. Chemehuevi Valley parallel with Step Ladder Wilderness. 380 Comment
  RSA782138  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-19 138 San Bernardino Vidal Wash. Highway 95 to NS859 at railroad junction in Vidal. 190 Comment
  RSA784388  Pleuraphis rigida Jim Andre, Glenn L. Clifton 2011-2-21 15879 San Diego Borrego Desert; along Hwy. S-22, 15.3 miles E of Borrego Springs at base of Smoke Tree Canyon. 268 Comment
  RSA784418  Pleuraphis rigida Jim Andre 2010-4-30 13192 San Bernardino Providence Mtns: Mojave National Preserve. East side of range at end of dirt road to Warm Spring, approx 3 mi S of Foshay Pass. 1000 Comment
  RSA784643  Pleuraphis rigida Jim Andre 2011-11-16 19422 San Bernardino Colorado River Valley: along Needles Hwy east of Dead Mtns, 6.3 mi north of I-40 at Needles. 100 Comment
  RSA785696  Pleuraphis rigida Doris Bowers 1971-5-31 1719 G San Bernardino Wild Horse Canyon, Providence Mts. Comment
  RSA787592  Pleuraphis rigida Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, Malia Volke 2010-4-22 166 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  RSA788425  Pleuraphis rigida Jim Andre 2010-6-2 15543 San Bernardino New York Mountains; Mojave National Preserve; along dirt road to Mail Spring, 0.2 mile SW of spring area 1538 Comment
  RSA789594  Pleuraphis rigida R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, B. Tucker, R. K. Benjamin, et al. 1976-10-30 48698 San Bernardino Granite Mountains, eastern Mojave Desert: Southern margin of Kelso Dunes, low sand dunes south of main, high dunes 808 Comment
  RSA790033  Pleuraphis rigida David Fraker, Aaron Sedgwick 2012-3-22 22 San Bernardino Palen Mtns. - Travel north on Highway 177 to Coxcomb Mountain Rd. Head east on Coxcomb Mountain Rd. approx. 8 mi. 376 Comment
  RSA792254  Pleuraphis rigida D. M. McF 1954-5-26 16 San Bernardino North end of Lucerne Valley; Mojave Desert. 915 Comment
  RSA793067  Pleuraphis rigida Naomi Fraga, Kristen Hasenstab-Lehman 2011-11-3 3916 San Bernardino South facing slopes on the north side of Black Lava Butte. South of Hondo Road. 1189 Comment
  RSA793955  Pleuraphis rigida Naomi Fraga, Hester Bell, Monica Carlsen, Kristen Hasenstab-Lehman, Thomas Stoughton 2012-9-13 4136 San Bernardino At the mouth of Rattlesnake Canyon. Bighorn Mountain Wilderness. 1220 Comment
  RSA795022  Pleuraphis rigida Sandra M. Namoff, Diana D. Jolles, Thomas Stoughton, Linda L. Worlow 2011-3-27 36 San Bernardino Bureau of Land Management, White Water Canyon, west side of Canyon Rd. Drive, near Painted Hill. 561 Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  RSA796019  Pleuraphis rigida Duncan S. Bell 2009-4-18 233 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  RSA796493  Pleuraphis rigida Jim Andre 2012-8-23 23591 San Bernardino Mojave National Preserve: Cima Dome. Along Cima Rd approx. 4 mi N of Cima Dome summit. 1337 Comment
  RSA796506  Pleuraphis rigida Jim Andre 2012-3-19 21365 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  RSA796895  Pleuraphis rigida Jim Andre 2012-8-30 23472 San Bernardino Piute Range; Mojave National Preserve; far south end of Piute Range, 0.8 miles west of powerline (Walter Road), approximately 5 miles south of Government Road, 8 miles north of Highway 66, 7 miles west of Highway 95. 886 Comment
  RSA797774  Pleuraphis rigida Jim Andre 2012-9-18 23131 San Bernardino Kingston Range: along Excelsior Mine Rd, approx. 18 mi N of Interstate 15, at SE end of range. 1036 Comment
  RSA798127  Pleuraphis rigida Jim Andre 2011-8-18 22340 San Bernardino Mojave National Preserve; along dirt road/transmission line 1.0 miles west of Ivanpah Road, 3.4 miles south of Morningstar Road, approximately 10 miles south of I-15, just north of New York Mountains. 909 Comment
  RSA798644  Pleuraphis rigida Margaret R. Mulligan, Larry Hendrickson, L. Louise Jee 2008-4-25 2510 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, northwest of Salton City, section 14 (SL14), in Coral Wash ca. 2 miles southwest of Highway 86. 26 Comment
  RSA799286  Pleuraphis rigida Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-9-29 661 San Bernardino Bighorn Mountain Wilderness. New Dixie Mine Road near Ruby Mountain off highway 247 1189 Comment
  RSA800643  Pleuraphis rigida Jim Andre, Glenn L. Clifton 2012-9-5 22917 San Bernardino Mid Hills. Along Cedar Canyon Rd, 1.7 mi NE of Jct with Cima Rd. 1201 Comment
  RSA801022  Pleuraphis rigida Jim Andre 2012-8-8 22374 San Bernardino Granite Mountains: UC Granite Mtns Desert Research Center, lower Granite Cove, just east of staff residence. 1303 Comment
  RSA802155  Pleuraphis rigida Duncan S. Bell 2013-3-24 4648 Imperial The Jacumba Mountains; in canyon draining to the north of Myer Valley; approximately 3.25 air miles northeast of Mountain Spring or 5 air miles southwest of the town of Ocotillo. 434 Comment
  RSA8421  Pleuraphis rigida Roxana S. Ferris, Rimo Bacigalupi 1932-4-29 8202 San Bernardino Base of North Butte, Mopas Mountains Comment
  RSA91977  Pleuraphis rigida F. W. Peirson 1924-5-14 54544 San Bernardino Box S Springs in Cushenberry [Cushenbury] Springs Region, north base of San Bernardino Mountains. 1082 Comment
  SBBG100518  Pleuraphis rigida W. L. Halvorson 1977-3-11 77 -108 San Bernardino S of Dale Lake, along St Hwy 62, E of Twentynine Palms Comment
  SBBG119123  Pleuraphis rigida S. Boyd with T. Morgan 2004-6-1 11446 San Bernardino large cyn S of Pachalka Spring, W flank of the Clark Mtns 1433 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  SBBG14817  Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  SBBG35124  Pleuraphis rigida T. L. Secrest 1948-4-7 Riverside ca. 7 mi below Whitewater 274 Comment
  SBBG38597  Pleuraphis rigida E. C. Twisselmann 1969-6-4 15623 San Bernardino Water Valley, NE of Harper Dry Lake 716 Comment
  SBBG47083  Pleuraphis rigida K. K. Muller 1972-5-3 3091 San Bernardino 12 mi NW of Cima Comment
  SBBG57095  Pleuraphis rigida M. N. Ackley -Feb-1926 1 Riverside near Edom 64 Comment
  SBBG57096  Pleuraphis rigida R. Hoffmann 1930-4-26 San Bernardino Garlic Spring Comment
  SBBG57097  Pleuraphis rigida C. F. Smith 1961-9-26 6521 San Diego Little Blair Valley Comment
  SBBG57098  Pleuraphis rigida R. Hoffmann 1929-9-12 San Diego San Felipe Valley Comment
  SBBG584  Pleuraphis rigida R. Moran 1958-3-5 6517 Imperial Pinto Wash Comment
  SBBG585  Pleuraphis rigida H. and M. Dearing 1942-4-6 4868 Riverside 10 mi W of Blythe Comment
  SDSU101  Pleuraphis rigida Richard C. Schwenkmeyer 1975-3-29 Imperial Collected at east base of Fish Creek Mt. 67 Comment
  SDSU18251  Pleuraphis rigida Judy Newhauser 1982-3-12 San Bernardino Power Line Road, North of Sunshine Peak, MCAGCC, Twentynine Palms, CA 635 Comment
  SEINET1004140  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-1 3212 San Bernardino Whipple Mountains: Near west end of Cooper Basin, upper Bowman's wash. Along old road into BLM Wilderness area. 450 Comment
  SEINET1004159  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter 2003-1 3222 San Bernardino Whipple Mountains: Along Highway 95 between Vidal Junction and Vidal. 228 Comment
  SEINET13753053  Pleuraphis rigida G. Rink 2015-3-27 13053 San Bernardino 29 Palms Marine Base, ca 10 miles northeast of 29 Palms. 596 Comment
  SEINET1906836  Pleuraphis rigida Sarah J. De Groot, J. Mark Porter, Lauren Machen 2003-1 3259 San Bernardino Whipple Mountains: Wash bebeside Atchison, Topeka, and Santa Fe Raildroad tracks, just E of Vidal and Highway 95. 176 Comment
  SEINET1909510  Pleuraphis rigida Sarah De Groot, Tash LeDoux 2003-1 2882 San Bernardino Whipple Mountains:Copper Basin Dunes OHV area near Echo Lodge, along Parker Dam road. 119 Comment
  SEINET2047344 Image available Pleuraphis rigida T. L. Burgess, J. McAuliffe 2004-10-29 102904 .1 San Bernardino On divide between Pinto Valley and Caruthers Canyon, mid hills SW of New York Mountains 1653 Comment
  SEINET2047746 Image available Pleuraphis rigida T. L. Burgess, J. McAuliffe 2004-10-29 102904 .3 San Bernardino On divide between Pinto Valley and Caruthers Canyon, mid hills SW of New York Mountains 1653 Comment
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  SEINET4560395  Pleuraphis rigida Thomas Stoughton, J. McConnaughy, Andrew Monks 2010-1 661 San Bernardino Transverse Ranges; San Bernardino Mountains region: Bighorn Mountain Wilderness. New Dixie Mine Road near Ruby Mountain off highway 247 1189 Comment
  SEINET4565296 Image available Pleuraphis rigida Sarah J. De Groot, Leland Lubinsky 2005-2-28 4751 San Bernardino Ward Valley a few miles west of Rice, along MWD dirt road heading S from Hwy 62. 264 Comment
  SEINET6425774  Pleuraphis rigida Arnold Clifford, Heil, Kenneth 2003-2-8 03 -07 San Bernardino BLM. 2 miles north of Earp and ca 3 miles northwest of Parker. Comment
  SEINET732639  Pleuraphis rigida D. J. Pinkava 1965-4-16 2026 -b Imperial 9 mi. from Arizona-California border on Rt. 80 Comment
  SEINET8007219  Pleuraphis rigida Joe Barth 2005-1-31 190 San Diego Anza-Borrego Desert State Park, Desert State Park on Font s point in the Borrego Badland (SW part of square 383 Comment
  UC1036114  Pleuraphis rigida Annetta Carter and Francia Chisaki 1953-4-5 3235 San Bernardino 20 mi s Needles Comment
  UC1037346  Pleuraphis rigida E. Goithwaite November 1934 San Bernardino Mohave Desert Comment
  UC1105290  Pleuraphis rigida Reino Alava 1958-4-5 1960 San Bernardino between Highways 95 and 66 about three mi s Needles; s of Needles Comment
  UC1146065  Pleuraphis rigida C. L. Hitchcock and C. V. Muhlick 1964-3-19 23160 Imperial on road to Fish Creek 3 mi s Ocotillo Well; s of Ocotillo Well on road to Fish Creek Comment
  UC120609  Pleuraphis rigida unknown 1896-3-25 San Diego Borregos Springs; Col. Desert, <Colorado Desert> Borregos Springs Comment
  UC120613  Pleuraphis rigida T. S. Brandegee 1894-4-27 89 San Diego San Felipe; Colorado Desert, San Felipe Comment
  UC132228  Pleuraphis rigida H. M. Hall and H. P. Chandler 1906-5-4 6844 San Bernardino 12 mi W of Barstow (Blacks Ranch) Comment
  UC1434006  Pleuraphis rigida J. L. Strother 1976-10-21 1260 San Bernardino 0.3 mi s Route 247 (Barstow to Lucerne Valley) on unpaved road to Stoddard Well (ca 5 mi w of Barstow) 762 Comment
  UC144149  Pleuraphis rigida H. M. Hall and H. P. Chandler 1906-5-4 6844 San Bernardino 12 mi w Barstow (Black's Ranch); Mohave Desert Comment
  UC153188  Pleuraphis rigida T. S. Brandegee Apr. 1905 San Diego Colorado Desert Comment
  UC178276  Pleuraphis rigida Katharine Brandegee June 1915 San Bernardino Kelso; Mojave Desert, Kelso Comment
  UC1861750  Pleuraphis rigida G. D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  UC1930200  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 A Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC1979838  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Mojave Desert; East Mojave Desert region: Dune system along Midland Rice Road, South Arica Mountains. Comment
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UC1979868  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 803 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas, North side, Alligator ACEC off I-10, south of Desert Center, in hills above Granite Mine. Comment
  UC1982103  Pleuraphis rigida S. J. De Groot with Mary Motheral 2010-4-24 6339 San Bernardino Whipple Mountains: Along drainage below cove, NE of highest peak along summit ridge. Comment
  UC218137  Pleuraphis rigida P. A. Munz and R. D. Harwood 1920-4-2 3584 Riverside Blythe Junc. 365 Comment
Read comments
May 28 2011
  UC34088  Pleuraphis rigida H. M. Hall 1902-4-12 2847 San Diego Coyote Canyon; western borders of the Colorado Desert, Coyote Canyon 152 Comment
  UC366028  Pleuraphis rigida J. G. Lemmon and wife 411 Alameda Oakland Comment
  UC373354  Pleuraphis rigida Marcus E. Jones, A. M. 1884-5-3 3795 San Bernardino The Needles Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  UC38598  Pleuraphis rigida S. B. Parish Apr 4 1896-Apr 13 1896 4145 Riverside desert base of San Jacinto Mt. Palm Springs (Agua Caliente) ((Agua Caliente)); , Palm Springs 152 Comment
  UC406744  Pleuraphis rigida Marcus E. Jones, A. M. 1929-9-16 24755 Riverside e Desert Center; East of Desert Center Comment
  UC496084  Pleuraphis rigida Roxana S. Ferris and Rimo Bacigalupi 1932-4-29 8202 San Bernardino base North Butte; Mopas Mountains, base of North Butte Comment
  UC507792  Pleuraphis rigida Orcutt Collection Apr 1917 146 San Diego Mountain Springs Grade Comment
  UC51619  Pleuraphis rigida Jos. Burtt Davy 1902-3-31 8037 Imperial Flowing Wells Comment
  UC519656  Pleuraphis rigida Victor Duran 1932-5-12 3199 San Diego near Mason Valley (head of Box Canyon); near Mason Valley, head of Box Canyon Comment
  UC519841  Pleuraphis rigida N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC573683  Pleuraphis rigida H. S. Yates 1937-3-23 6442 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UC578616  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 mi e Whitewater; Thermal Quad., e of Whitewater Comment
  UC589872  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  UC604846  Pleuraphis rigida Roxana S. Ferris and Ruth P. Rossbach 1938-5-14 9500 San Bernardino on road to Box S Springs sandy desert 1.5 mi from Box S Ranch Comment
  UC60777  Pleuraphis rigida Dr. A. Davidson Los Angeles Los Angeles Comment
  UC612927  Pleuraphis rigida C. W. Sharsmith January, 1934 518 Imperial se Imperial County; southeastern Imperial County Comment
  UC618992  Pleuraphis rigida H. S. Yates 1937-6-25 6650 San Bernardino 1/2 mi. n.w. Monarch Flat; San Gorgonio Quad. Comment
  UC625872  Pleuraphis rigida Annie M. Alexander 1939-5-2 360 San Bernardino Pisgah 30.8 mi e Barstow 603 Comment
  UC625982  Pleuraphis rigida Annie M. Alexander 1939-5-8 717 San Bernardino nw side Copper Basin L.; Whipple Mts., nw side Copper Basin L. 304 Comment
  UC665771  Pleuraphis rigida Ira L. Wiggins 1941-3-24 9612 Imperial sandy desert wash on road to Beal Well 6 mi ne Niland Comment
  UC677602  Pleuraphis rigida A. A. Beetle 1942-4-22 3183 Riverside Rt. 60 and 70, 5 mi e Shaver's Summit; e of Shaver's Summit Comment
  UC68618  Pleuraphis rigida H. M. Hall 1905-5-16 6104 San Bernardino near Ash Hill (Mohave Desert); Mohave Desert Comment
  UC71017  Pleuraphis rigida S. B. Parish May, 1901 San Bernardino Mohave Desert Comment
  UC712142  Pleuraphis rigida Charles B. Fiker 1945-6-23 3214 San Diego Henderson ranch n Fall Brook Comment
  UC724190  Pleuraphis rigida Aven and Ruth Nelson 1939-3-30 3342 Riverside Hiway 60 near Desert Center Comment
  UC774768  Pleuraphis rigida Carl B. Wolf 1941-5-26 10667 San Bernardino 3 8/10 mi w Columbia Mine; Mojave Desert, Providence Mts. 1097 Comment
  UC818424  Pleuraphis rigida C. L. Hitchcock 1940-4-20 6138 San Bernardino 4 mi below Horse Springs (ne part of county); below Horse Springs 914 Comment
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
Read comments
Nov 6 2011
  UC818427  Pleuraphis rigida I. W. Clokey and B. C. Templeton 1930-4-9 4679 Riverside n Palm Springs; Colorado Desert, n of Palm Springs 170 Comment
  UC818429  Pleuraphis rigida Alice Eastwood 1913-4-13 2694 San Diego Borega Wells; Colorado Desert, Borega Wells Comment
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  UCR148047  Pleuraphis rigida Steve Boyd, Et al. 2004-5-14 11293 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR148513  Pleuraphis rigida Steve Boyd, Tammy Morgan 2004-3-30 10683 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR148518  Pleuraphis rigida Steve Boyd, Tammy Morgan 2004-6-1 11446 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  UCR228597  Pleuraphis rigida Sarah J. De Groot, Mary Motheral 2010-4-24 6339 San Bernardino Mojave Desert, Whipple Mountains, along drainage below cove, northeast of highest peak along summit ridge 713 Comment
  UCR243173  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCSB26331  Pleuraphis rigida Joseph Keefe 1967-3-23 1615 Riverside Collected 3.8 mi N, along 29 Palms Highway, in the Morongo Valley Mission Creek Road - 29 Palms Highway and Mission Creek Road 777 Comment
  GH23820  Pleuraphis rigida Unknown Fort Mojave Comment
  NY414177  Pleuraphis rigida J. G. Cooper s.n. Unknown Providence Mt. 1524.0 Comment
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Aug 9 2010
  NY414178  Pleuraphis rigida J. G. Cooper s.n. Unknown Fort Mojave Comment
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Sep 26 2010
  POM9300  Pleuraphis rigida P. A. Munz, R. D. Harwood 1920-4-2 3384 San Bernardino Colorado Desert, Blythe Junction 365 Comment
  RSA0011629  Pleuraphis rigida J. Russell Bruff s.n. Riverside 3 mi. south of Garnet Comment
  RSA0030740  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA0084229  Pleuraphis rigida Jim Andre 2010-4-2 19591 San Bernardino Joshua Tree National Park; 1.5 mi. southeast of Clarks Pass (Hwy 62). 568 Comment
  RSA414076  Pleuraphis rigida M. B. Dunkle 1937-3-25 4904 San Diego 20 miles W of Kane Spring Comment
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Dec 22 2011
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  RSA91980  Pleuraphis rigida F. W. Peirson 1932-3-21 9775 Imperial Sand Hills near their east edge, west of Yuma 61 Comment
  SBBG119845  Pleuraphis rigida C. Bornstein 1991-12-11 San Diego mouth of Coyote Cyn, ca. 0.25 mi E of Desert Gardens, Anza Borrego State Park 304 Comment
  SEINET10508830  Pleuraphis rigida Cooper 1861-2-24 Cooper 2230 Inyo Fort Mohave Comment
  SEINET7048173  Pleuraphis rigida Steven R. Hill 2001-5-3 33679 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET922567  Pleuraphis rigida Jon P. Rebman, Parabotanists 2005-1 163 San Diego Borrego Valley at the south base of Cotote Mt. in area of Peg Leg Monument at intersection of Peg Leg Rd and the Borrego- Salton Seaway (Hwy S22); northwest corner of square. 180 Comment



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