32.66190 32.76190 -114.97170 -114.87170 UC/JEPS: Consortium Search Results
Search Results — 391 specimen records retrieved (391 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 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
  POM47415  Abronia villosa P. A. Munz 1924-2-23 7812 Imperial 25 miles E. of Holtsville. Comment
  POM47571  Abronia villosa P. A. Munz 1924-2-23 7812 Imperial 25 miles E. of Holtsville. Comment
  RSA48300  Abronia villosa E. K. Balls 1949-4-3 12935 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
Read comments Oct 19 2007
  SEINET887361  Abronia villosa var. villosa Leo A. Galloway 1970-1 1226 Imperial 18 miles west of Yuma, Interstate 8. Comment
  POM286454  Achyronychia cooperi Lyman Benson 1933-4-1 4227 Imperial US 80, Sand Dunes W of Yuma. 30 Comment
  RSA416981  Ambrosia dumosa N. C. Cooper 1949-3-15 3037 Imperial West of Yuma 244 Comment
  UCD56400  Aristida adscensionis A. A. Beetle 1942-4-22 3175 Imperial Rt. 80, 20 miles W of Yuma. Comment
  GH341041  Aristida californica A. Nelson 1930-2-27 11157 a Unknown Yuma-El Centro, California Comment
Read comments Jul 5 2012
  SEINET10935025  Aristida californica Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4934 Imperial Imperial Sand Dunes Recreation Area. At the Grays Wells Road-Sand Hills exit off Interstate Highway 8 (Evan Hewes Highway), around the Buttercup Valley Open Area. 13 miles west of the California-Arizona-Mexico boundary at the Colorado River. 30 Comment
  POM275929  Astragalus aridus Lyman Benson 1933-4-1 4228 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  RSA124268  Astragalus aridus E. K. Balls, Percy C. Everett 1958-3-19 22886 Imperial On sand dunes. 30 Comment
  RSA463100  Astragalus aridus Lyman Benson 1933-4-1 4228 Imperial US 80, Sand Dunes W of Yuma. 30 Comment
  UC1080292  Astragalus aridus E. K. Balls and P. C. Everett 1958-3-19 22886 Imperial 30 Comment
  JEPS54612  Astragalus douglasii I. T. Weeks Imperial sand hills 30 mi e Holtville; e of Holtville Comment
Read comments Oct 8 2018
  SEINET898269  Astragalus magdalenae T. R. Van Devender, R. K. Van Devender 1986-1 86 -2 Imperial Algodones Dunes; rest area on Interstate 8 west of Winterhaven; loose sand on dunes. Comment
  CAS-BOT-BC334471  Astragalus magdalenae var. peirsonii Robert F. Thorne; Robert Rutherford 1964-4-10 33572 Imperial SE part of county; ca 17 miles W of Yuma near rest stop on Hwy 80 Comment
  HSC66470  Astragalus magdalenae var. peirsonii Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7790 Imperial Algodones Dunes, dirt road heading E 3.3 mi. from Gray's Well Rd exit off Hwy. 8 46 Comment
  JEPS708  Astragalus magdalenae var. peirsonii W. L. Jepson 1927-4-15 11720 Imperial sand hills near Grays Well (Colorado Desert); , near Grays Well 60 Comment
  POM122929  Astragalus magdalenae var. peirsonii Marcus E. Jones 1926-1-22 s.n. Imperial Sand dunes W. of Yuma Comment
  POM172248  Astragalus magdalenae var. peirsonii M. French Gilman 1928-4-15 1135 Imperial West of Yuma, Ariz. Comment
  POM175978  Astragalus magdalenae var. peirsonii A. M. Alexander, Louise Kellogg 1941-3-14 1937 Imperial On slope of sand dunes west of Yuma. Comment
  POM195621  Astragalus magdalenae var. peirsonii H. E. Parks, S. T. Parks 1929-02 0376 Imperial Along road near Yuma. Comment
  POM276089  Astragalus magdalenae var. peirsonii Lyman Benson 1933-4-1 4222 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  RSA101765  Astragalus magdalenae var. peirsonii R. Weatherby 1950-3-5 1048 Imperial Yuma sand dunes, near highway maintenance station, Hwy 80. 60 Comment
  RSA291586  Astragalus magdalenae var. peirsonii Bonnie M. Rich 1979-4-21 79003 Imperial South Imperial Co., Algadones Dunes. along the north side of the All American Canal, 2 miles east of power drop #1. Comment
  RSA415815  Astragalus magdalenae var. peirsonii Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7790 Imperial On dirt track heading E 3.3 mi from Gray's Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA415867  Astragalus magdalenae var. peirsonii W. Hutchinson 1929-1 s.n. Imperial Near Yuma. Comment
  RSA754259  Astragalus magdalenae var. peirsonii Robert F. Thorne, Robert Rutherford 1964-4-10 33572 Imperial Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. Comment
Read comments Jan 22 2012
  RSA800189  Astragalus magdalenae var. peirsonii Robert F. Thorne, R. Rutherford 1964-4-10 33572 Imperial Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. Comment
  SD115617  Astragalus magdalenae var. peirsonii Duffie Clemons, Erik Jonsson 1983-4-20 490 Imperial In sand dunes, north of Osborne Park, Hwy 78 east of Brawley, Algodones Dunes. (IPB 10/07) 91 Comment
  SEINET2060107 Image available Astragalus magdalenae var. peirsonii C. A. Huckins 1980-3-9 80030901 Imperial Gordon Wells, 17 miles W of Yuma, Arizona. Comment
  SEINET2060108 Image available Astragalus magdalenae var. peirsonii R. G. Engard, K. C. Clausen, Jamie Koenig 1979-4-14 1133 Imperial 18 mils W of Yuma, Arizona. Comment
  UCR82216  Astragalus magdalenae var. peirsonii J. M. Stewart 1994-3-21 796 Imperial Sonoran Desert, Glamis Dunes, I-8 at Gray's Well Road Comment
  GH58874  Astragalus peirsonii P. A. Munz & C. L. Hitchcock 1932-4-5 12132 Unknown East of Holtville Comment
  RSA767472  Astragalus peirsonii J. Mark Porter, O. Mistretta, S. Hobbs 2002-3-2 13405 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.82 miles southwest [202.8 degrees] of Imperial Dunes Recreation Area exit from Interstate 8. 49 Comment
  RSA767473  Astragalus peirsonii J. Mark Porter, O. Mistretta, S. Hobbs 2002-3-2 13405 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.82 miles southwest [202.8 degrees] of Imperial Dunes Recreation Area exit from Interstate 8. 49 Comment
  RSA767496  Astragalus peirsonii J. Mark Porter 2003-4-8 13491 .02 Imperial Imperial Dunes (Algodones Dunes), 1.9 miles south-west [209.75 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  RSA767501  Astragalus peirsonii J. Mark Porter 2003-4-8 13491 .07 Imperial Imperial Dunes (Algodones Dunes), 3.2 miles west north-west [280.62 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  RSA767515  Astragalus peirsonii J. Mark Porter 2003-3-20 13491 .09 Imperial Imperial Dunes [Algodones Dunes], 3.6 miles west-northwest [288.56 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8 Comment
  RSA767520  Astragalus peirsonii J. Mark Porter 2003-3-20 13491 .14 Imperial Imperial Dunes [Algodones Dunes], 3.73 miles northwest [290 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8 Comment
  RSA767521  Astragalus peirsonii J. Mark Porter 2003-3-20 13491 .15 Imperial Imperial Dunes [Algodones Dunes], 3.73 miles northwest [290 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8 Comment
  RSA767523  Astragalus peirsonii J. Mark Porter 2003-4-9 13491 .17 Imperial Imperial Dunes [Algodones Dunes], 1.9 miles northwest of Interstate Highway 8 Comment
  RSA767524  Astragalus peirsonii J. Mark Porter 2003-4-9 13491 .18 Imperial Imperial Dunes [Algodones Dunes], 2.2 miles northwest of Interstate Highway 8 Comment
  RSA767525  Astragalus peirsonii J. Mark Porter 2003-4-9 13491 .19 Imperial Imperial Dunes [Algodones Dunes], 3.44 miles west-northwest [284.25 degrees] of the Imperial Sand Dunes Recreation Area exit on Interstate Highway 8 Comment
  RSA767593  Astragalus peirsonii J. Mark Porter 2003-3-4 13484 Imperial Imperial Dunes (Algodones Dunes) about 1.9 miles northwest of Interstate Highway 8 Comment
  RSA767594  Astragalus peirsonii J. Mark Porter 2003-3-4 13485 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8 Comment
  SEINET3828025  Astragalus peirsonii J. Mark Porter, O. Mistretta & S. Hobbs 2002-1 Imperial Comment
  POM350656  Baileya pauciradiata Robert Gustafson, Sterling Keeley 1983-5-6 2568 Imperial Gray's Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  POM47417  Baileya pauciradiata Philip A. Munz 1924-2-23 7814 Imperial 25 miles E. of Holtsville. Comment
  RSA350657  Baileya pauciradiata N. C. Cooper 1949-3-16 3047 Imperial West of Yuma 244 Comment
  RSA407367  Baileya pauciradiata Lyman Benson 1933-4-1 4229 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  SEINET4176937 Image available Baileya pauciradiata Sally Walker 1970-3-13 Imperial 28 miles W of Yuma Comment
  POM288444  Baileya pleniradiata Lyman Benson 1933-4-1 4224 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  POM48974  Camissonia claviformis subsp. yumae P. A. Munz 1924-2-22 7813 Imperial 25 miles east of Holtville. Comment
  RSA136154  Camissonia claviformis subsp. yumae Peter H. Raven 1958-1-26 11510 Imperial Stabilized sand dunes at Sand Hills Maintenance Station, 2.8 miles east of Grays Well. Comment
  RSA176310  Camissonia claviformis subsp. yumae Robert F. Thorne, Robert Rutherford 1964-4-10 33571 Imperial Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. Comment
Read comments Feb 11 2011
  RSA48299  Camissonia claviformis subsp. yumae E. K. Balls 1949-4-3 12934 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  SEINET2091068  Camissonia claviformis subsp. yumae G. Rink, A.,B. and D. Phillips 2004-4-14 3015 Imperial Algodones Dunes on the north side of I-8 in the Gordon Well area. 82 Comment
  RSA767599  Cercidium floridum J. Mark Porter 2003-3-4 13489 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8 Comment
  SD17610  Chilopsis linearis Allen Keller 1937-5-31 Imperial 34.2 miles east of Holtville Comment
  UC1280917  Chilopsis linearis subsp. arcuata H. E. McMinn 1925-6-29 1464 Imperial 16 mi. w. Yuma (Arizona) (border of Sand Hills); Colorado Desert Comment
  RSA392748  Chorizanthe rigida N. C. Cooper 1949-3-16 3048 Imperial West of Yuma. 244 Comment
  RSA48301  Chorizanthe rigida E. K. Balls 1949-4-3 12936 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  UCSB26075  Chylismia claviformis subsp. aurantiaca Dickson, Florence 1941-3-8 Imperial 16 mi W of Yuma, Arizona 121 Comment
  SDSU18782  Chylismia claviformis subsp. yumae C. Matt Guilliams, Jeff Marshall 2008-4-23 623 Imperial North of I-8 ca. 0.5km and east of the All-American Canal ca. 50m. Adjacent to the canal as it passes through the Algodones Dunes. 73 Comment
  UC1184352  Chylismia claviformis subsp. yumae Peter H. Raven 1958-1-26 11510 Imperial 2.8 mi e Grays Well; Sand Hills Maintenence Station Comment
  A347467  Croton wigginsii R. J. Ferris & R. P. Rossbach 9585 Unknown Algodones Sand Hills, 1 mile east of Grey's Wells on U.S. Highway 80 Comment
  A347468  Croton wigginsii R. J. Ferris & R. P. Rossbach 9584 Unknown Algodones Sandhills Comment
  CAS-BOT-BC202494  Croton wigginsii Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9584 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U. S. Highway #80 Comment
  CAS-BOT-BC202495  Croton wigginsii Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9585 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U. S. Highway #80 Comment
  CDA35265  Croton wigginsii T. C. Fuller 1959-10-7 3274 Imperial Yuma Sand dunes, 1 mile west of Highway Maintenance Station, ca. 15 miles west of Winterhaven. 0 Comment
  GH347469  Croton wigginsii R. J. Ferris & R. P. Rossbach 9585 Unknown Algodones Sand Hills, 1 mile east of Grey's Wells on U.S. Highway 80 Comment
  GH347471  Croton wigginsii R. J. Ferris & R. P. Rossbach 9584 Unknown Algodones Sandhills Comment
  LA204861  Croton wigginsii Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9584 Imperial Algodones Sand Hills, 1 mi. E of Gray's Wells on US Highway #80 Comment
  LA204862  Croton wigginsii Ruth P. Rossbach; Roxana S. Ferris 1938-5-17 9585 Imperial Algodones Sand Hills, 1 mi. E of Gray's Wells Comment
  OBI37470  Croton wigginsii Robert F. Thorne 1978-5-30 52169 Imperial Algodones Dunes: At Old Plank Rd between Baja Calif border and Hwy I-8 & All American Canal, just off Grays Well Rd, E of Gordons well Comment
  RSA124267  Croton wigginsii E. K. Balls 1958-3-19 22887 Imperial 0.1 miles NE of Gray's Well, U.S. Hwy 80. Comment
  RSA19544  Croton wigginsii Roxana S. Ferris 1938-5-17 9584 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80. Comment
  RSA19545  Croton wigginsii Roxana S. Ferris 1938-5-17 9585 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80. Comment
  RSA331166  Croton wigginsii R. F. Thorne, Walter Wisura, Paul Peterson, C. R. Annable 1984-4-27 58263 Imperial Algodones Dunes, off Hwy 1.8 on Grays Well Rd., W end old plank road. Comment
  RSA336125  Croton wigginsii R. F. Thorne 1978-5-30 52169 Imperial Algodones Dunes: At Old Plank Rd between Baja California border and Hwy I-8 & All American Cana, just off Grays Well Rd., E of Gordons Well. Comment
  RSA479347  Croton wigginsii M. B. Dunkle 1935-4-19 4583 Imperial W. of Yuma. Colorado Desert 30 Comment
  RSA480695  Croton wigginsii Robert Gustafson 1983-5-6 2565 Imperial Gray's Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  RSA480697  Croton wigginsii Christopher Davidson 1979-4-28 7794 Imperial On dirt track heading E 3.3 mi from Gray's Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA767592  Croton wigginsii J. Mark Porter 2003-3-4 13483 Imperial Imperial Dunes (Algodones Dunes) about 1.9 miles northwest of Interstate Highway 8 Comment
  SD138879  Croton wigginsii Brenda L. Stone, Jim Dice 1996-4-29 Imperial Sand Hills overcrossing [to?] Interstate 8 west on-ramp, in Caltrans right-of-way, 8 feet from edge of pavement 60 Comment
  SD242795  Croton wigginsii 1994-1-12 Imperial Grays Well Road; Forestry (CDF) cleaning road edges Comment
  SEINET3829071  Croton wigginsii J. Mark Porter 2003-1 13483 Imperial Imperial Dunes (Algodones Dunes), ca. 1.9 mi NW of Interstate Highway 8. Comment
  SFV4256A  Croton wigginsii D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial About 29.5 miles east of Holtville on main highway to Yuma. Sand dunes between highway and very old plank road. Comment
  SFV4258A  Croton wigginsii D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial About 29.5 miles east of Holtville on main highway to Yuma. Sand dunes between highway and very old plank road. Comment
  UC604963  Croton wigginsii Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9585 Imperial 1 mi e Gray's Well (on US Hwy 80); Algodones Sand Hills Comment
  UC604964  Croton wigginsii Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9584 Imperial 1 mi e Gray's Well (on US Hwy 80); Algodones Sand Hills Comment
  UCD142202  Croton wigginsii Robert F. Thorne 1978-5-30 52169 Imperial Algodones Dunes; at Old Plank Rd between Baja California border and Hwy I-8 and All American Canal, just off Grays Well Rd., E of Gordons Well. Comment
  UCD142204  Croton wigginsii Robert F. Thorne; W. Wisura, P. Peterson, C. Annable 1984-4-27 58263 Imperial S. Imperial County; Colorado Desert; Algodones Dunes; off Hwy I.8 on Grays Well Road; W end old plank road. Comment
  UCR89731  Croton wigginsii J. M. Stewart 1990-3-14 648 Imperial Sonoran Desert, Glamis Dunes off Interstate Hwy 8 on Gray's Well Road Comment
  POM47846  Cryptantha angustifolia P. A. Munz 1924-2-23 7811 Imperial 25 miles E. of Holtsville Comment
  RSA101742  Cryptantha angustifolia R. Weatherby 1950-3-5 1045 Imperial 5 miles west of Yuma on Hwy 80. 61 Comment
  RSA48339  Cryptantha angustifolia E. K. Balls 1949-4-3 12975 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  GH424924  Cryptantha costata F. F. Gander 1941-3-20 8976 Unknown San Dunes Comment
  POM121847  Cryptantha costata Marcus E. Jones 1926-1-22 s.n. Imperial Sand dunes W. of Yuma Comment
  RSA499813  Cryptantha costata Robert Gustafson, S. Keeley 1983-5-6 2570 Imperial Gray s Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  SD28397  Cryptantha costata Frank F. Gander 1941-3-20 8976 Imperial Unknown, sand dunes. Comment
  SEINET2048092 Image available Cryptantha costata Glen Rink, A., B. and D. Phillips 2004-4-14 3014 Imperial Algodones Dunes on N side of I-8 in the Gordon Well Area 82 Comment
  SEINET2091313  Cryptantha costata G. Rink, A.,B. and D. Phillips 2004-4-14 3014 Imperial Algodones Dunes on the north side of I-8 in the Gordon Well area. 82 Comment
  CAS-BOT-BC292142  Dicoria canescens Marcus E. Jones 1928-12-28 s.n. Imperial Sand Dunes near Yuma Comment
  POM160492  Dicoria canescens Marcus E. Jones 1928-12-28 s.n. Imperial Sand dunes near Yuma. Comment
  POM356422  Dicoria canescens Robert Gustafson, Sterling Keeley 1983-5-6 2566 Imperial Gray's Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  RSA608651  Dicoria canescens R. S. Woglum 1938-11-7 2145 Imperial Sonoran Desert: Sand Hills west of Yuma (AZ). Comment
  SEINET2082704  Dicoria canescens G. Rink 2003-12-18 2999 Imperial Algodones Dunes, Buttercup area, south of I-8 60 Comment
  SEINET281558  Dicoria canescens A. L. Reina, T. R. Van Devender 1996-4-27 96 -218 Unknown Gray's Well Exit on Interstate 8, 24 Km. west of Winterhaven, Imperial (Agodones) Dunes. USA, California. 32 deg. 43'50 N, 114 deg. 53'0 W; 55 m.s.n.m. Comment
Read comments Jan 8 2016
  SEINET10839156  Dicoria canescens subsp. canescens Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4931 Imperial Imperial Sand Dunes Recreation Area. At the Grays Wells Road-Sand Hills exit off Interstate Highway 8 (Evan Hewes Highway), around the Buttercup Valley Open Area. 13 miles west of the California-Arizona-Mexico boundary at the Colorado River. 30 Comment
  POM121849  Dicoria clarkiae Marcus E. Jones 1926-1-22 S.N. Imperial Sand dunes W. of Yuma Comment
  SEINET5763269 Image available Dicoria clarkiae M. B. Dunkle 1935-4-19 4583 Unknown W of Yuma. Comment
Read comments Jan 12 2016
  CAS-BOT-BC292240  Dieteria asteroides var. asteroides F. A. M. 1936-3-24 14457 Imperial Near Yuma on Highway from El Centro Comment
  RSA48408  Dithyrea californica E. K. Balls 1949-4-3 12893 Imperial Hwy 80 between Holtwille and Yuma near Grays Well. 30 Comment
  A356640  Ephedra trifurca L. D. Benson 1933-4-1 4220 Unknown US 80--Sand dunes W of Yuma 30 Comment
  CAS-BOT-BC81866  Ephedra trifurca F. A. M. 1936-3-25 14476 Imperial Sand dunes between Ellentro and Yuma Ariz. Comment
  CAS-BOT-BC81867  Ephedra trifurca Frank W. Peirson 1932-3-21 9774 Imperial Sand Hills along the Holtville-Yuma Road 76 Comment
  CAS-BOT-BC81868  Ephedra trifurca Robert F. Thorne; Robert Rutherford 1964-4-10 33569 Imperial sand dunes ca 17 miles w. of Yuma near rest stop on Hwy. 80, SE Imperial County Comment
  CAS-BOT-BC81869  Ephedra trifurca Robert F. Thorne; Robert Rutherford 1964-4-10 33570 Imperial sand dunes ca 17 miles w. of Yuma near rest stop on Hwy. 80, SE Imperial County Comment
  CAS-BOT-BC81870  Ephedra trifurca Robert F. Thorne; Robert Rutherford 1964-4-10 33570 Imperial sand dunes ca 17 miles w. of Yuma near rest stop on Hwy. 80, SE Imperial County Comment
  CAS-BOT-BC81871  Ephedra trifurca Robert F. Thorne; Robert Rutherford 1964-4-10 33569 Imperial sand dunes ca 17 miles w. of Yuma near rest stop on Hwy. 80, SE Imperial County Comment
  GH356690  Ephedra trifurca R. F. Thorne & R. Rutherford 1964-4-10 33569 Unknown sand dunes ca. 17 miles w. of Yuma near rest stop on Hwy. 80 Comment
  GH356691  Ephedra trifurca R. F. Thorne & R. Rutherford 1964-4-10 33570 Unknown sand dunes ca. 17 miles w. of Yuma near rest stop on Hwy. 80 Comment
  HSC66467  Ephedra trifurca Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7802 Imperial Algodones Dunes, dirt road heading E 3.3 mi. from Gray's Well Rd exit off Hwy. 8 46 Comment
  HSC80304  Ephedra trifurca R. F. Thorne 1978-5-30 52170 Imperial Algodones Dunes, Old Plank Rd. between Baja border and Hwy. 8, All American Canal just off Grays Well Rd., E of Gordons Well Comment
  JEPS49099  Ephedra trifurca W. L. Jepson 1927-4-15 11721 Imperial sandhills near, se Colorado Desert Grays Wells; Colorado Desert 60 Comment
  POM128745  Ephedra trifurca F. W. Peirson 1927-4-15 7193 Imperial Sand dunes west of Yuma. Comment
  POM282141  Ephedra trifurca Lyman Benson 1933-4-1 4220 Imperial US 80, Sand Dunes W of Yuma. 30 Comment
  RSA101764  Ephedra trifurca R. Weatherby 1950-3-5 1050 Imperial Yuma sand dunes, Colorado Desert. Comment
  RSA167779  Ephedra trifurca Robert F. Thorne, Robert Rutherford 1964-4-10 33569 Imperial Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. Comment
Read comments Dec 14 2011
  RSA167780  Ephedra trifurca Robert F. Thorne, Robert L. Rutherford 1964-4-10 33570 Imperial Sand dunes ca. 17 miles w. of Yuma near rest stop on Hwy. 80. Comment
  RSA292787  Ephedra trifurca Lyman Benson, Robert Benson 1952-4-13 14882 Imperial Oasis on U.S. 80, sand dunes west of Yuma, Arizona. Colorado Desert. 91 Comment
  RSA336127  Ephedra trifurca Robert F. Thorne 1978-5-30 52170 Imperial Algodones Dunes: At Old Plank Rd between Baja California border and Hwy I-8 & All American Cana, just off Grays Well Rd., E of Gordons Well. Comment
  RSA383814  Ephedra trifurca G. B. Rossbach 1963-7-3 5238 Imperial On lower portions of open, large, desert sand dunes, s. side of Rt. 80, ca 16 mi. w. of Yuma. Comment
  RSA383819  Ephedra trifurca Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7802 Imperial On dirt track heading E 3.3 mi from Gray s Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA383820  Ephedra trifurca M. B. Dunkle 1935-4-19 4585 Imperial W. of Yuma. Colorado Desert 30 Comment
  RSA676139  Ephedra trifurca J. M. Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 s.n. Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Patton Valley Comment
  RSA767591  Ephedra trifurca J. M. Porter 2003-3-4 13482 Imperial Imperial Dunes (Algodones Dunes) about 1.9 miles northwest of Interstate Highway 8. Comment
  RSA767597  Ephedra trifurca J. M. Porter 2003-3-4 13487 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8. Comment
  RSA786371  Ephedra trifurca Doris Bowers 1970-12-29 1605 Imperial Las Algodones Dunes at U.S. 8 and Old Planked Road Viewpoint 30 Comment
  RSA85175  Ephedra trifurca F. W. Peirson 1927-4-15 7193 Imperial Lower part of dunes west of Yuma. Comment
  RSA85176  Ephedra trifurca F. W. Peirson 1922-3-21 9774 Imperial Near summit of Sand Hills, east of Holtville. Comment
  SBBG21953  Ephedra trifurca R. F. Thorne with R. Rutherford 1964-4-10 Imperial ca. 17 mi W of Yuma near rest stop on Interstate 80 Comment
  SD147418  Ephedra trifurca Kathy Rice 1999-3-21 Imperial Ca 30 miles west of Yuma on Interstate 8 at Gray Wells exit, south side of road Comment
  SD250392  Ephedra trifurca J. Mark Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Patton Valley. Comment
  SD28395  Ephedra trifurca Frank F. Gander 1941-3-20 8974 Imperial sand dunes Comment
  SD28396  Ephedra trifurca Frank F. Gander 1941-3-20 8975 Imperial Sand Dunes Comment
  SDSU12256  Ephedra trifurca Jeremy Mass 2000-4-20 2 Imperial East on Interstate 8 to the Gordons Well exit. Located on the north side of the freeway in the flats. 7 Comment
  SDSU3636  Ephedra trifurca D. R. Harvey 1932-2-7 575 Imperial West of Yuma 54 Comment
  SEINET3829070  Ephedra trifurca J. Mark Porter 2003-1 13482 Imperial Imperial Dunes (Algodones Dunes), ca. 1.9 mi NW of Interstate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  SEINET3829083  Ephedra trifurca J. Mark Porter 2003-1 13487 Imperial Imperial Dunes (Algodones Dunes), ca 2.2 mi NW of Interstate Highway 8, shallow dunes between the large transverse dunes. Comment
  UC1302415  Ephedra trifurca Robert F. Thorne and Robert Rutherford 1964-4-10 33570 Imperial sand dunes ca. 17 mi w Yuma (near rest stop on Hwy 80, se Imperial County) Comment
  UC1302416  Ephedra trifurca Robert F. Thorne and Robert Rutherford 1964-4-10 33569 Imperial sand dunes ca. 17 mi w Yuma (near rest stop on Hwy 80, se Imperial County) Comment
  UCSB39098  Ephedra trifurca Jorgensen, Jan 1982-3-24 Imperial Sanddunes west of Yuma 100 Comment
  RSA432699  Eremalche rotundifolia N. C. Cooper 1949-3-16 3051 Imperial West of Yuma 244 Comment
  CAS-BOT-BC246433  Eriogonum deflexum var. deflexum F. A. M. 1936-3-24 14644 Imperial Near Sand Dunes, Highway from El Centro Comment
  RSA393286  Eriogonum deflexum var. deflexum N. C. Cooper 1949-3-16 3053 Imperial West of Yuma. 244 Comment
  CAS-BOT-BC246460  Eriogonum deserticola Marcus E. Jones 1928-12-28 s.n. Imperial Sand Dunes near Yuma Comment
  CAS-BOT-BC246461  Eriogonum deserticola R. H. Peebles 1934-9-11 10007 Imperial In Colorado Desert, west of Yuma Comment
  CAS-BOT-BC246462  Eriogonum deserticola Marcus E. Jones 1926-1-21 s.n. Imperial West of Yuma Comment
  CAS-BOT-BC246463  Eriogonum deserticola Marcus E. Jones 1928-12-28 s.n. Imperial Sand Dunes near Yuma Comment
  CAS-BOT-BC246464  Eriogonum deserticola R. H. Peebles 1934-9-11 10007 Imperial In Colorado Desert, west of Yuma Comment
  CAS-BOT-BC246465  Eriogonum deserticola Marcus E. Jones 1932-4-11 29287 Imperial West of Yuma Comment
  CAS-BOT-BC246470  Eriogonum deserticola Robert F. Thorne; Walter Wisura; Paul Peterson; Carol Annable 1984-4-27 58266 Imperial Colorado Desert. S. Imperial County: Algodones Dunes, off Hwy I.8 on Grays Well Road, W end old plank road Comment
  CAS-BOT-BC246480  Eriogonum deserticola Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9586 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U. S. Highway #80 Comment
  CAS-BOT-BC246487  Eriogonum deserticola T. C. Fuller 1959-10-7 3275 Imperial Yuma sand dunes, 1 mi. W/Hwy Maint. Station, ca. 15 miles W/Winterhaven Comment
  CDA22492  Eriogonum deserticola T. C. Fuller 1959-10-7 3275 Imperial Yuma Sand Hills, 1 mile west of Highway Maintenance Station, ca. 15 miles west of Winterhaven. 0 Comment
  GH369990  Eriogonum deserticola M. E. Jones 1928-12-28 Unknown Sand Dunes near Yuma Comment
Read comments Jul 17 2012
  GH369998  Eriogonum deserticola R. J. Ferris & R. P. Rossbach 1938-5-17 9586 Unknown Algodones Sand hills 1 mile east of Gray's Well on U.S. Highway #80 Comment
  JEPS57039  Eriogonum deserticola W. L. Jepson 1927-4-15 11725 Imperial Sand Hills near Gray's Well; Colorado Desert 60 Comment
  LA206747  Eriogonum deserticola M. F. Gilman; 1985-5-30 sn Imperial W of Yuma Comment
Read comments Aug 28 2016
  POM145277  Eriogonum deserticola M. French Gilman 1928-4-25 s.n. Imperial West of Yuma. Comment
  POM160441  Eriogonum deserticola Marcus E. Jones 1928-12-28 s.n. Imperial Sand dunes near Yuma. Comment
  POM184328  Eriogonum deserticola M. French Gilman 1928-5-30 s.n. Imperial West of Yuma. Comment
  POM200566  Eriogonum deserticola Marcus E. Jones 1932-4-11 s.n. Imperial West of Yuma Comment
  POM211232  Eriogonum deserticola R. H. Peebles 1934-9-11 10007 Imperial West of Yuma. Comment
  POM223955  Eriogonum deserticola O. G. Babcock 1935-10-16 s.n. Imperial 15 m. W of Yuma. Comment
  POM48765  Eriogonum deserticola P. A. Munz 1924-2-23 7824 Imperial 25 miles E. of Holtsville. Comment
  RSA18957  Eriogonum deserticola Roxana S. Ferris, Ruth P. Rossbach 1938-5-17 s.n. Imperial Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80. Comment
  RSA256998  Eriogonum deserticola Gary D. Wallace 1973-5-14 1194 Imperial ESE of Holtville at Old Planked Rd. Site along I-8 off the frontage road. Comment
  RSA306210  Eriogonum deserticola Henry J. Ramsey, Henry J. Ramsey 1939-12-2 s.n. Imperial Yuma-west of in sand dunes. Comment
  RSA331169  Eriogonum deserticola Robert F. Thorne 1984-4-27 58266 Imperial Algodones Dunes, off Hwy 1.8 on Grays Well Rd., W end old plank road. Comment
  RSA423097  Eriogonum deserticola N. C. Cooper 1950-6-27 4588 Imperial W of Yuma. Comment
  RSA65132  Eriogonum deserticola F. W. Peirson 1927-4-15 7195 Imperial Sand dunes west of Yuma. Comment
  RSA766429  Eriogonum deserticola Marcus E. Jones 1928-12-28 s.n. Imperial Sand dunes near Yuma. Comment
  RSA767589  Eriogonum deserticola J. Mark Porter 2003-3-4 13480 Imperial Imperial Dunes (Algodones Dunes) about 1.9 miles northwest of Interstate Highway 8 Comment
  SD134205  Eriogonum deserticola R. Mitchel Beauchamp 1971-9-10 3135 Imperial West end of sand hills along Interstate 8 Comment
  SEINET2082889  Eriogonum deserticola G. Rink 2003-12-18 2998 Imperial Algodones Dunes, Buttercup area, south of I-8 60 Comment
  SEINET6417356  Eriogonum deserticola M. Cazier, J. Davidson, D. J. Pinkava 1966-12-12 Imperial 16 miles W. Winterhaven Comment
  UC540185  Eriogonum deserticola R. H. Peebles 1934-9-11 10007 Imperial w Yuma; Colorado Desert Comment
  UC604972  Eriogonum deserticola Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9586 Imperial 1 mi e on U.S. Highway #80 Gray's Well; Algodones Sand Hills Comment
  RSA424946  Eriogonum thomasii N. C. Cooper 1949-3-16 3040 Imperial West of Yuma. 244 Comment
  RSA445651  Eschscholzia minutiflora N. C. Cooper 1949-3-16 3049 Imperial West of Yuma 244 Comment
  POM358647  Geraea canescens N. C. Cooper 1949-3-16 3043 Imperial West of Yuma. 244 Comment
  CAS-BOT-BC305772  Helianthus niveus Roxana S. Ferris 1928-4-19 7122 Imperial Yuma side of sand hills on Jacumba--Yuma Highway Comment
  CAS-BOT-BC305774  Helianthus niveus Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9583 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U. S. Highway #80 Comment
  CAS-BOT-BC305775  Helianthus niveus T. C. Fuller 1959-10-7 3272 Imperial Yuma Sand Hills, 1 mi. W/Hwy Maint. Station, ca. 15 miles W/Winterhaven Comment
  CAS-BOT-BC305776  Helianthus niveus F. A. M. 1936-3-24 14549 Imperial Highway El Centro to Yuma Comment
  SEINET828336  Helianthus niveus N. C. Cooper 1942-1 619 Imperial California, close to Yuma. Comment
  CDA6568  Helianthus niveus subsp. tephrodes T. C. Fuller 1959-10-7 3272 Imperial Yuma Sand Hills, 1 mile west of Highway Maintenance Station, ca. 15 miles west of Winterhaven. 0 Comment
  JEPS35457  Helianthus niveus subsp. tephrodes W. L. Jepson 1927-4-15 11724 Imperial Grays Well Colorado Desert (sand hills) 76 Comment
  POM122927  Helianthus niveus subsp. tephrodes Marcus E. Jones 1926-1-22 s.n. Imperial Sand dunes W. of Yuma Comment
  POM145268  Helianthus niveus subsp. tephrodes M. French Gilman 1928-04 s.n. Imperial Sand dunes west of Yuma. Comment
  POM160491  Helianthus niveus subsp. tephrodes Marcus E. Jones 1928-12-28 s.n. Imperial Sand dunes near Yuma. Comment
  POM184556  Helianthus niveus subsp. tephrodes P. A. Munz, C. Hitchcock 1932-4-5 12133 Imperial east of Holtville. Comment
  POM356667  Helianthus niveus subsp. tephrodes M. B. Dunkle 1935-4-19 4582 Imperial W. of Yuma. Colorado Desert 30 Comment
  POM360025  Helianthus niveus subsp. tephrodes M. B. Dunkle 1935-4-19 4582 Imperial W. of Yuma. Colorado Desert 30 Comment
  RSA18958  Helianthus niveus subsp. tephrodes Roxana S. Ferris, Ruth P. Rossbach 1938-5-17 9583 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80. Comment
  RSA2150  Helianthus niveus subsp. tephrodes C. B. Wolf 1931-3-14 s.n. Imperial On road from Yuma to Holtville, near Grays Well. 0 Comment
  RSA23697  Helianthus niveus subsp. tephrodes R. S. Woglum 1937-10 1182 Imperial between Yuma and Holtville Comment
  RSA291589  Helianthus niveus subsp. tephrodes Bonnie M. Rich 1979-4-19 79001 Imperial Algadones Dunes. Along the north side of the All American Canal, 4 miles east of power drop #1. Comment
  RSA676133  Helianthus niveus subsp. tephrodes J. M. Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 s.n. Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area. Comment
  RSA767500  Helianthus niveus subsp. tephrodes J. M. Porter 2003-4-8 13491 .06 Imperial Imperial Dunes (Algodones Dunes), 1.4 miles west south-west [234.64 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  RSA767602  Helianthus niveus subsp. tephrodes J. M. Porter 2003-4-8 13491 .01 Imperial Imperial Dunes (Algodones Dunes), 1.9 miles south-west [209.75 degrees] of Imperial Sand Dunes Recreation Area exit on Interstate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  SD13012  Helianthus niveus subsp. tephrodes A. B. Clayton 1935-12-29 Imperial Sand dunes near Yuma. Comment
  SD28399  Helianthus niveus subsp. tephrodes Frank F. Gander 1941-3-20 8981 Imperial Sand dunes. Comment
  SDSU18367  Helianthus niveus subsp. tephrodes C. Matt Guilliams, Jeff Marshall 2008-4-23 633 Imperial Eastern edge of the Algodones Dunes. North of Interstate 8 and All-American Canal ca 0.5km. Northeast of Gray's Well Road exit ca. 1.5km. Access to area from Ogilby Road. 78 Comment
  SDSU18386  Helianthus niveus subsp. tephrodes C. Matt Guilliams, Jeff Marshall 2008-4-23 633 Imperial Eastern edge of the Algodones Dunes. North of Interstate 8 and All-American Canal ca 0.5km. Northeast of Gray's Well Road exit ca. 1.5km. Access to area from Ogilby Road. 78 Comment
  SEINET3828043  Helianthus niveus subsp. tephrodes J. Mark Porter 2003-1 13491 .01 Imperial Imperial Dunes ( Algodones Dunes), 1.9 mi SW ( 209.75 degrees) of Imperial San Dunes Recreation Area exit on Intertate Highway 8, barchan dunes just west of the large transverse dunes. Comment
  SFV4266A  Helianthus niveus subsp. tephrodes D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial 29.5 miles east of Holtville. Sand dunes between main road (U. S. Highway 80 or Interstate Highway 8) and old road. Older plank road in view. Comment
  UC604971  Helianthus niveus subsp. tephrodes Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9583 Imperial Algodones Sands Hills 1 mile east of Gray's Well on U.S. Highway 80 Comment
  POM47844  Hesperocallis undulata Philip A. Munz 1924-2-23 7807 Imperial 25 miles E. of Holtsville Comment
  UC1237873  Hesperocallis undulata Howard J. Arnott 1955-4-25 21 Imperial 21 mi w of Winterhaven (on U.S. Highway 80) Comment
  UCD138399  Hesperocallis undulata Ann F. Johnson 1979-3-18 4005 Imperial Interstate 8, at 'Gordon Wells' exit around 3 miles east of El Centro. Comment
  SEINET10494782  Larrea divaricata subsp. tridentata Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4932 Imperial Imperial Sand Dunes Recreation Area. At the Grays Wells Road-Sand Hills exit off Interstate Highway 8 (Evan Hewes Highway), around the Buttercup Valley Open Area. 13 miles west of the California-Arizona-Mexico boundary at the Colorado River. 30 Comment
  POM300563  Larrea tridentata Lyman D. Benson 1961-4-7 16098 Imperial Just east of the sand dunes west of Yuma on U.S. 80Colorado river, Colorado Desert. 30 Comment
  RSA389992  Larrea tridentata E. K. Balls 1949-4-3 12937 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  RSA48302  Larrea tridentata E. K. Balls 1949-4-3 12937 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  RSA676138  Larrea tridentata J. Mark Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 s.n. Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Patton Valley Comment
  RSA720430  Larrea tridentata Lyman D. Benson 1961-7-4 16098 Imperial Just e of the sand dunes W of Yuma on US 80 30 Comment
  RSA767596  Larrea tridentata J. Mark Porter 2003-3-4 13486 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8. Comment
  SDSU12257  Larrea tridentata Jeremy Mass 2000-4-20 3 Imperial East on Interstate 8 to the Gordons Well exit. Located on the north side of the freeway in the flats. 7 Comment
  SEINET4691615  Larrea tridentata R. Laport 2010-1 T 4 Q1-1759 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691620  Larrea tridentata R. Laport 2010-1 T 4 Q1-1757 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691646  Larrea tridentata R. Laport 2010-1 T 4 Q1-1762 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 44 Comment
  SEINET4691647  Larrea tridentata R. Laport 2010-1 T 4 Q1-1761 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 44 Comment
  SEINET4691648  Larrea tridentata R. Laport 2010-1 T 4 Q1-1760 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 45 Comment
  SEINET4691649  Larrea tridentata R. Laport 2010-1 T 4 Q1-1758 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691650  Larrea tridentata R. Laport 2010-1 T 4 Q1-1756 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691651  Larrea tridentata R. Laport 2010-1 T 4 Q1-1755 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 47 Comment
  SEINET4691652  Larrea tridentata R. Laport 2010-1 T 4 Q1-1754 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 47 Comment
  SEINET4691653  Larrea tridentata R. Laport 2010-1 T 4 Q1-1753 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691661  Larrea tridentata R. Laport 2010-1 T 4 Q1-1752 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 46 Comment
  SEINET4691662  Larrea tridentata R. Laport 2010-1 T 4 Q1-1751 Imperial 3.5 km N on poorly defined sand road from campgrounds/recreation area adjacent to Coachella Canal at the Gordons Wells exit from I-8 sparse vegetation 45 Comment
  SD250552  Larrea tridentata var. arenaria J. Mark Porter, Susan Hobbs, Orlando Mistretta 2003-3-17 Imperial Algodones Dunes. Imperial Sand Dunes National Recreation Area, Patton Valley. Comment
  SEINET3829085  Larrea tridentata var. arenaria J. Mark Porter 2003-1 13486 Imperial Imperial Dunes (Algodones Dunes), ca 2.2 mi NW of Interstate Highway 8 shallow dunes between the large transverse dunes. Comment
  RSA767598  Larrea tridentata var. tridentata J. Mark Porter 2003-3-4 13488 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8. Comment
  RSA468335  Loeseliastrum schottii Robert Gustafson, Sterling Keeley 1983-5-6 2567 Imperial Gray's Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  POM26292  Lupinus arizonicus Marcus E. Jones 1996-4-25 11536 Imperial West of Yuma. Comment
  RSA101737  Lupinus arizonicus R. Weatherby 1950-3-4 1044 Imperial 6 miles west of Yuma on Highway 80. 61 Comment
  SEINET10899063  Mentzelia albicaulis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4933 Imperial Imperial Sand Dunes Recreation Area. At the Grays Wells Road-Sand Hills exit off Interstate Highway 8 (Evan Hewes Highway), around the Buttercup Valley Open Area. 13 miles west of the California-Arizona-Mexico boundary at the Colorado River. 30 Comment
  RSA440387  Mentzelia desertorum N. C. Cooper 1949-3-15 3039 Imperial West of Yuma 244 Comment
  RSA440430  Mentzelia involucrata N. C. Cooper 1949-3-16 3046 Imperial West of Yuma 244 Comment
  UCR82250  Mentzelia longiloba var. longiloba J. M. Stewart 1994-3-21 794 Imperial Colorado River Valley, Glamis Dunes, along Interstate Hwy 8, 1 mi. west of Brock Research Center Drive. Comment
  HSC15881  Mentzelia tricuspis C. L. Hitchcock, C. V. Muhlick 1964-3-20 23203 Imperial About 20 mi. NW of Yuma Comment
  POM363563  Monoptilon bellioides N. C. Cooper 1949-3-16 3041 Imperial West of Yuma. 244 Comment
  RSA421159  Nama hispida var. revoluta N. C. Cooper 1949-3-16 3036 Imperial West of Yuma 244 Comment
  UCR30828  Nama hispida var. revoluta John C. Roos 1949-4-7 4172 Imperial Sonoran (Colorado) Desert, Hills 14 or 15 mi. west of Yuma. Comment
  POM122928  Oenothera deltoides subsp. deltoides Marcus E. Jones 1926-6-22 s.n. Imperial Sand Dunes W. of Yuma Comment
  POM271922  Oenothera deltoides subsp. deltoides Lyman Benson 1933-4-1 4225 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  POM47843  Oenothera deltoides subsp. deltoides P. A. Munz 1924-2-23 7809 Imperial 25 miles E. of Holtsville. Comment
  RSA146016  Oenothera deltoides subsp. deltoides William M. Klein, David P. Gregory 1958-2-13 78 Imperial Along U.S. Highway 80 about 1.9 miles northeast of Gray s Well, west side of Sand Hills. Comment
  RSA176295  Oenothera deltoides subsp. deltoides Robert F. Thorne, Robert Rutherford 1964-4-10 33568 Imperial Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. Comment
Read comments Dec 29 2011
  RSA48298  Oenothera deltoides subsp. deltoides E. K. Balls 1949-4-3 12933 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
  SDSU18770  Oenothera deltoides subsp. deltoides C. Matt Guilliams, Jeff Marshall 2008-4-23 622 Imperial North of I-8 ca. 0.5km and east of the All-American Canal ca. 50m. Adjacent to the canal as it passes through the Algodones Dunes. 73 Comment
  SDSU18776  Oenothera deltoides subsp. deltoides C. Matt Guilliams, Jeff Marshall 2008-4-23 622 Imperial North of I-8 ca. 0.5km and east of the All-American Canal ca. 50m. Adjacent to the canal as it passes through the Algodones Dunes. 73 Comment
  RSA399170  Oligomeris linifolia N. C. Cooper 1949-3-15 3038 Imperial West of Yuma 244 Comment
  UC1332372  Oligomeris linifolia Florence Dickson 1941-3-8 14 Imperial desert 16 mi w Yuma, Arizona; Colorado Desert 121 Comment
  RSA767600  Olneya tesota J. Mark Porter 2003-3-4 13490 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8 Comment
  SEINET3828042  Olneya tesota J. Mark Porter 2003-1 13490 Imperial Imperial Dunes ( Algodones Dunes), ca 2.2 mi NW of Interstate Highway 8. Burchan dunes just west of the large transverse dunes. Comment
  CAS-BOT-BC327830  Palafoxia arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9588 Imperial Algodones Sand Hills, 1 mi E of Gray's Well on US Hwy 80. Comment
  CAS-BOT-BC327853  Palafoxia arida Ira L. Wiggins 1938-3-24 8920 Imperial Sand dunes 22 miles W of Yuma Comment
  CAS-BOT-BC327857  Palafoxia arida C. B. Wolf 1931-3-14 1888 Imperial Colorado Desert, on road from Yuma to Holtville, 2 miles E of Gray's Well; below sea level Comment
  CAS-BOT-BC327878  Palafoxia arida Noel H. Holmgren; Patricia K. Holmgren 1973-3-28 6537 Imperial Sand Hills, along Interstate Hwy 8, 9 airline miles W of Yuma 121 Comment
  SEINET4916724  Palafoxia arida A. L. Reina, T. R. Van Devender 1996-4-27 96 -220 Unknown Gray's Well Exit on Interstate 8, 24 Km. west of Winterhaven, Imperial (Agodones) Dunes. USA, California. 32 deg. 43'50 N, 114 deg. 53'0 W; 55 m.s.n.m. Comment
Read comments Jan 8 2016
  POM300573  Palafoxia arida var. arida Lyman Benson 1961-7-4 16097 Imperial Just e of the sand dunes W of Yuma on US 80 30 Comment
  POM47416  Palafoxia arida var. arida P. A. Munz 1924-2-23 7815 Imperial 25 miles E. of Holtsville. Comment
  RSA363760  Palafoxia arida var. arida N. C. Cooper 1949-3-16 3052 Imperial West of Yuma. 244 Comment
  RSA603893  Palafoxia arida var. arida A. C. Keller 1937-5-31 s.n. Imperial 34.2 miles east of Holtville. Comment
  UC1531127  Palafoxia arida var. arida Robert F. Thorne, Walter Wisura, Paul Peterson, and Carol Annable 1984-4-27 58265 Imperial on Grays Well Rd off Highway I.8 (w end old plank road); Algodones Dunes Comment
  CDA8432  Palafoxia arida var. gigantea T. C. Fuller 1959-10-7 3273 Imperial Yuma Sand Hills, 1 mile west of Highway Maintenance Station, ca. 15 miles west of Winterhaven. 0 Comment
  GH427279  Palafoxia arida var. gigantea R. J. Ferris & R. C. Bacigalupi 1938-5-17 9588 Unknown Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80 Comment
  JEPS34765  Palafoxia arida var. gigantea W. L. Jepson 1927-4-15 11722 Imperial sandhills near Grays Well; se Colorado Desert 60 Comment
  POM115609  Palafoxia arida var. gigantea A. M. Alexander, Kellogg 1941-3-14 1936 Imperial On slope of sand dunes west of Yuma. Comment
  POM145269  Palafoxia arida var. gigantea M. French Gilman 1928-04 s.n. Imperial Sand dunes west of Yuma. Comment
  POM183669  Palafoxia arida var. gigantea P. A. Munz 1931-3-15 11968 Imperial 25 miles west of Yuma Comment
  POM19546  Palafoxia arida var. gigantea Roxana S. Ferris, Ruth P. Rossbach 1938-5-17 9588 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U.S. Highway #80. Comment
  POM363733  Palafoxia arida var. gigantea Robert Gustafson, Sterling Keeley 1983-5-6 2569 Imperial Gray's Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  POM363735  Palafoxia arida var. gigantea Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7792 Imperial On dirt track heading E 3.3 mi from Gray's Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA2149  Palafoxia arida var. gigantea C. B. Wolf 1931-3-14 1888 Imperial On road from Yuma to Holtville, near Grays Well. 0 Comment
  RSA23179  Palafoxia arida var. gigantea I. L. Wiggins 1938-3-24 8920 Imperial 22 miles west of Yuma Comment
  RSA291588  Palafoxia arida var. gigantea Bonnie M. Rich 1979-4-21 79004 Imperial South Imperial Co., Algadones Dunes. along the north side of the All American Canal, 2 miles east of power drop #1. Comment
  RSA331168  Palafoxia arida var. gigantea R. F. Thorne, Walter Wisura, Paul Peterson, C. R. Annable 1984-4-27 58265 Imperial Algodones Dunes, off Hwy 1.8 on Grays Well Rd., W end old plank road. Comment
  RSA431136  Palafoxia arida var. gigantea Lyman Benson 1933-4-1 4223 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  RSA592920  Palafoxia arida var. gigantea Ana L. Reina G., T. R. Van Devender 1996-4-27 96 -220 Imperial Gray's well exit on Hwy 8, 24 km west of Winterhaven, Imperial Sand Dunes Recreation Lands 55 Comment
  RSA603891  Palafoxia arida var. gigantea A. C. Keller 1937-5-31 s.n. Imperial 29.7 miles east of Holtville Comment
  RSA767601  Palafoxia arida var. gigantea J. Mark Porter 2003-3-4 13491 Imperial Imperial Dunes (Algodones Dunes) about 2.2 miles northwest of Interstate Highway 8 Comment
  SD103941  Palafoxia arida var. gigantea J. L. S. Simpson 1965-5-13 Imperial Sand hills west of Yuma Comment
  SD108087  Palafoxia arida var. gigantea B. L. Turner 1962-4-19 4757 Imperial Dune area, 15 miles west of Yuma Comment
  SD138925  Palafoxia arida var. gigantea Brenda L. Stone, Jim Dice 1996-4-29 Imperial Sand Hills overcrossing [to?] Interstate 8 west on-ramp, in Caltrans right-of-way, 4-5 feet from edge of pavement 60 Comment
  SD17611  Palafoxia arida var. gigantea Allen C. Keller 1937-5-31 Imperial 29.7 miles east of Holtville, Sand dunes Comment
  SD17612  Palafoxia arida var. gigantea Allen C. Keller 1937-5-31 Imperial 34.2 miles east of Holtville, Sand dunes Comment
  SD28398  Palafoxia arida var. gigantea Frank F. Gander 1941-3-20 8930 Imperial Sand Dunes Comment
  SD87849  Palafoxia arida var. gigantea Frank W. Peirson 1927-4-15 7198 Imperial Sand Dunes west of Yuma Comment
  SEINET1110597  Palafoxia arida var. gigantea A. L. Reina, TR Van Devender 1996-4-27 96 -220 Imperial Gray's Well Exit on I-8; 24km W of Winterhaven; Imperial (Algodones) Dunes 55 Comment
  SEINET2053908 Image available Palafoxia arida var. gigantea C. A. Hunkins 1980-3-9 80030903 Imperial Gordon Wells, 17 miles west of Yuma, Arizona. Comment
  SEINET891496  Palafoxia arida var. gigantea Unknown 1996-1 96 -220 Imperial Grays Well Exit on Interstate 8, 24 km W. of Winterhaven, Imperial (Algodones) Dunes, Imperial Sand Dunes Recreation Lands 55 Comment
  SFV4269A  Palafoxia arida var. gigantea D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial About 29.5 miles east of Holtville on main highway to Yuma. Sand dunes between highway and very old plank road. Comment
  UC1351650  Palafoxia arida var. gigantea G. B. Rossbach 1963-7-3 5239 Imperial by Rt. 80 ca 16 mi w Yuma (s Imperial County) Comment
  UC479265 Image available Palafoxia arida var. gigantea Marcus E. Jones 1931-9-24 28599 Imperial w Yuma Comment
  UC494571  Palafoxia arida var. gigantea Philip A. Munz 1931-3-15 11968 Imperial sand hills 25 mi w Yuma Comment
  UC537089  Palafoxia arida var. gigantea Philip A. Munz 1931-3-15 11968 Imperial sand hills 25 mi w Yuma Comment
  UC604962  Palafoxia arida var. gigantea Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9588 Imperial on US Hwy 80 1 mi e Gray's Well; Algodones Sand Hills Comment
  UCR89809  Palafoxia arida var. gigantea J. M. Stewart 1990-3-14 649 Imperial Sonoran Desert, Glamis Dunes off Interstate Hwy 8 on Gray's Well Road Comment
  UCR97014  Palafoxia arida var. gigantea A. L. Reina G., T. R. Van Devender 1996-4-27 96- 220 Imperial Sonoran/Colorado Desert, Gray's Well Exit on Interstate 8, 24 m west of Winterhaven, Imperial (Algodones) Dunes, Imperial Sand Dunes Recreation Lands 55 Comment
  UCSB39124  Palafoxia arida var. gigantea Jorgensen, Jan 1982-3-24 Imperial Sand dunes west of Yuma 100 Comment
  RSA786594  Palafoxia linearis var. gigantea Doris Bowers 1970-12-29 1608 Imperial Las Algodones Dunes at U.S. 8 and Old Planked Road Viewpoint 30 Comment
  CAS-BOT-BC253905  Panicum urvilleanum R. J. Barr 1966-5-30 66 -37 Imperial 16 miles W of Yuma, Arizona Comment
  GH355966  Panicum urvilleanum A. A. Beetle 1942-4-22 3173 Unknown Imperial County, Rt. 80, 20 miles west of Yuma, Imperial Valley Comment
  JEPS70593  Panicum urvilleanum W. L. Jepson 1927-4-16 11743 Imperial Algodones Sand Hills near Pilot Knob (Colorado River); , Algodones Sand Hills 76 Comment
  POM202404  Panicum urvilleanum Marcus E. Jones 1932-4-11 s.n. Imperial West of Yuma Comment
  RSA485495  Panicum urvilleanum Lyman Benson 1940-7-7 s.n. Imperial 15 miles W of Yuma 61 Comment
  RSA767505  Panicum urvilleanum J. M. Porter, O. Mistretta, S. Hobbs 2002-3-2 13413 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.82 miles southwest [202.8 degrees] of Imperial Dunes Recreation Area exit from Interstate 8. 49 Comment
  SD125866  Panicum urvilleanum Lyman Benson, Robert Benson 1952-4-13 14883 Imperial Oasis on U.S. 80, sand dunes west of Yuma, Arizona. Colorado River drainage, sandy soil 91 Comment
  SEINET1025391  Panicum urvilleanum G. Rink, B., A. and D. Phillips 2004-4-14 3012 Imperial BLM, Algondones Dunes, Gordon's Well, north of I-8. 85 Comment
  SEINET10788750  Panicum urvilleanum Sarah E. Youngstrom 2007-5-26 Youngstrom 4 Imperial Outside Yuma, off Grays Well Rd, 14 miles west of Winterhaven, 16 miles west of Yuma. 55 Comment
  SEINET3828031  Panicum urvilleanum J. Mark Porter, O. Mostretta & S. Hobbs 2002-1 13413 Imperial Imperial Dunes Recreation Area exit from Interstate 8. 49 Comment
  UCD89973  Panicum urvilleanum A. A. Beetle 1942-4-22 3173 Imperial Rt. 80, 20 miles W of Yuma. Comment
  CAS-BOT-BC167732  Petalonyx thurberi Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9589 Imperial Algodones Sand Hills 1 mile east of Gray's Well on U. S. Highway #80 Comment
  RSA445154  Petalonyx thurberi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7791 Imperial On dirt track heading E 3.3 mi from Gray s Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA101766  Phacelia ambigua R. Weatherby 1950-3-5 1047 Imperial 5 miles west of Yuma on Hwy 80. 61 Comment
  RSA425994  Phacelia ambigua N. C. Cooper 1949-3-16 3168 Imperial West of Yuma 244 Comment
  HSC82769  Pholisma sonorae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7793 Imperial Algodones Dunes, dirt road heading E 3.3 mi. from Gray's Well Rd exit off Hwy. 8 46 Comment
  NY37805  Pholisma sonorae Collector unspecified 1973-5-14 4365 Imperial East of Holtville Comment
  NY37806  Pholisma sonorae R. F. Thorne 1984-4-27 58267 Imperial Algodones Dunes off Highway I.8 on Grays Well Road, west end old plank road Comment
  POM145275  Pholisma sonorae M. French Gilman 1928-4-25 s.n. Imperial West of Yuma. Comment
  POM145276  Pholisma sonorae M. French Gilman 1928-4-25 s.n. Imperial West of Yuma. Comment
  RSA257643  Pholisma sonorae Gary D. Wallace, Sherwin Carlquist 1973-5-14 1193 Imperial ESE of Holtville along I-80, S of American Canal Comment
  RSA336093  Pholisma sonorae Robert F. Thorne 1978-5-30 52167 Imperial Algodones Dunes: At Old Plank Rd between Baja California border and Hwy I-8 & All American Cana, just off Grays Well Rd., E of Gordons Well. Comment
  RSA446405  Pholisma sonorae Robert Gustafson, Keeley 1983-5-6 2571 Imperial Gray s Well Road off Hwy 8, vicinity of the old Plank Rd. Marker 43 Comment
  RSA446407  Pholisma sonorae Christopher Davidson, Romspert, Surprenant 1979-4-28 7793 Imperial On dirt track heading E 3.3 mi from Gray s Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  RSA446409  Pholisma sonorae H. de Forest 1934-3-29 18614 Imperial Los Algodones Comment
  RSA77813  Pholisma sonorae Mabel Peirson 1932-3-21 9781 Imperial Holtville to Yuma Rd. 61 Comment
  RSA89981  Pholisma sonorae J. C. Roos 1949-4-7 4984 Imperial Between Yuma and Imperial Valley 61 Comment
  SD16026  Pholisma sonorae Laurence Cook 1936-6-13 Imperial Junc. of U.S. 80 and road to All American Canal Comment
Read comments Jul 11 2010
  SDSU18358  Pholisma sonorae C. Matt Guilliams, Jeff Marshall 2008-4-23 634 d Imperial Algodones Dunes. Plant collected from Eriogonum deserticola in area of accumulated sand near power line tower in flat, disturbed area adjacent to Gray's Well Road to south. Ca. 1.5km southwest of Gray's Well Road exit of I-8. 62 Comment
  SDSU18364  Pholisma sonorae C. Matt Guilliams, Jeff Marshall 2008-4-23 634 c Imperial Algodones Dunes. Plant collected from Eriogonum deserticola in area of accumulated sand near power line tower in flat, disturbed area adjacent to Gray's Well Road to south. Ca. 1.5km southwest of Gray's Well Road exit of I-8. 62 Comment
  SDSU18388  Pholisma sonorae C. Matt Guilliams, Jeff Marshall 2008-4-23 634 b Imperial Algodones Dunes. Plant collected from Eriogonum deserticola in area of accumulated sand near power line tower in flat, disturbed area adjacent to Gray's Well Road to south. Ca. 1.5km southwest of Gray's Well Road exit of I-8. 62 Comment
  SDSU18394  Pholisma sonorae C. Matt Guilliams, Jeff Marshall 2008-4-23 634 a Imperial Algodones Dunes. Plant collected from Eriogonum deserticola in area of accumulated sand near power line tower in flat, disturbed area adjacent to Gray's Well Road to south. Ca. 1.5km southwest of Gray's Well Road exit of I-8. 62 Comment
  SDSU8102  Pholisma sonorae H. Wedberg 1966-5-2 1234 Imperial Near Hwy 80, from 'western edge of the dunes', presumably between El Centro and Yuma. Comment
  CAS-BOT-BC135054  Phoradendron californicum Louis C. Wheeler 1956-12-30 7245 Imperial Near All American Canal Comment
  RSA603961  Phoradendron californicum Louis C. Wheeler 1956-12-30 7245 Imperial Near All American Canal. Comment
  UCR101168  Phoradendron californicum L. C. Wheeler 1956-12-30 7245 Imperial Sonoran (Colorado) Desert, Near All-American Canal Comment
  POM47845  Plantago ovata var. fastigiata P. A. Munz 1924-2-23 7810 Imperial 25 miles E. of Holtsville. Comment
  RSA402280  Plantago ovata var. fastigiata N. C. Cooper 1949-3-16 3045 Imperial West of Yuma. 244 Comment
  CAS-BOT-BC353596  Psorothamnus emoryi Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma Comment
  CAS-BOT-BC353597  Psorothamnus emoryi Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma Comment
  JEPS41728  Psorothamnus emoryi W. L. Jepson 1927-4-15 11723 Imperial Colorado Desert, Sand Hills near Grays Well 60 Comment
  POM276880  Psorothamnus emoryi Lyman D. Benson 1933-4-1 4221 Imperial US 80, Sand Dunes W of Yuma. 30 Comment
  RSA630245  Psorothamnus emoryi R. S. Woglum 1938-12-7 2148 Imperial Sonoran Desert: Sand Hills west of Yuma (AZ). Comment
  SEINET10841186  Psorothamnus emoryi Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4930 Imperial Imperial Sand Dunes Recreation Area. At the Grays Wells Road-Sand Hills exit off Interstate Highway 8 (Evan Hewes Highway), around the Buttercup Valley Open Area. 13 miles west of the California-Arizona-Mexico boundary at the Colorado River. 30 Comment
  SD17614  Psorothamnus emoryi var. emoryi Allen C. Keller 1937-5-31 Imperial 34.2 miles east of Holtuille Comment
  RSA300560  Psorothamnus spinosus Lyman D. Benson 1961-7-4 16095 Imperial Just e of the sand dunes W of Yuma on US 80 30 Comment
  RSA48295  Simmondsia chinensis E. K. Balls 1949-4-3 12929 Imperial Near Grays Well on Highway 80 between Holtville and Yuma, Colorado Desert. 76 Comment
Read comments Jun 26 2015
  UC1302412  Tamarix aphylla Robert F. Thorne and Robert Rutherford 1964-4-10 33575 Imperial ca 17 mi w Yuma (on Hwy 80, rest stop, se Imperial County) Comment
  UCD101695  Tamarix aphylla Sue A. Thompson; John E. Rawlins 1988-8-29 5305 Imperial 16 mi W of Yuma along I-8. Comment
  SDSU12258  Tamarix chinensis Jeremy Mass 2000-4-20 4 Imperial East on Interstate 8 to the Gordons Well exit. Located on the north side of the freeway in the flats. 7 Comment
  HSC80314  Tiquilia palmeri R. F. Thorne 1978-5-30 52168 Imperial Algodones Dunes, Old Plank Rd. between Baja border and Hwy. 8, All American Canal just off Grays Well Rd., E of Gordons Well Comment
  JEPS67408  Tiquilia palmeri W. L. Jepson 1927-4-15 11726 Imperial Gray's Well s.w. Colorado Desert, Algodones Sandhills, Gray's Well 60 Comment
  POM145279  Tiquilia palmeri M. French Gilman 1928-4-25 s.n. Imperial West of Yuma Comment
  POM368520  Tiquilia palmeri N. C. Cooper 1949-3-16 3044 Imperial West of Yuma. 244 Comment
  RSA336126  Tiquilia palmeri R. F. Thorne 1978-5-30 52168 Imperial Algodones Dunes: At Old Plank Rd between Baja California border and Hwy I-8 & All American Cana, just off Grays Well Rd., E of Gordons Well. Comment
  SD107754  Tiquilia palmeri Gary Wallace 1973-5-14 1195 Imperial Eastsoutheast of Holtville at Old Planked Road Site along I-8 off the frontage road. Comment
  SEINET3828026  Tiquilia palmeri J. Mark Porter, O. Mistretta & S. Hobbs 2002-1 13406 Imperial Imperial Dunes Reacreation Area (Algodones Dunes), 0.82 mi SW (202.8 degrees) of Imperial Recreation Area exit from INterstate 8. 49 Comment
  HSC82770  Tiquilia plicata Christopher Davidson, A. P. Romspert, Harvey Surprenant 1979-4-28 7794 Imperial Algodones Dunes; on dirt track road heading E 3.3 mi. from Gray's Well Rd. exit off I-8 46 Comment
  POM145278  Tiquilia plicata M. French Gilman 1928-4-25 s.n. Imperial West of Yuma Comment
  POM368527  Tiquilia plicata Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7794 a Imperial On dirt track heading E 3.3 mi from Gray s Well Rd exit off Interst. 8. Algodoned Dunes. 46 Comment
  POM368528  Tiquilia plicata M. B. Dunkle 1935-4-19 4590 Imperial W. of Yuma. Colorado Desert 30 Comment
  RSA0063311  Tiquilia plicata J. Mark Porter, Orlando Mistretta, S. Hobbs 2002-3-2 13406 San Diego Imperial Dunes Recreation Area (Algodones Dunes), 0.82 mi SW (202.8 deg ) of Imperial Dunes Recreation Area exit from Interstate 8. 49 Comment
  RSA0063312  Tiquilia plicata J. Mark Porter 2003-3-4 13481 Imperial Imperial Dunes (Algodones Dunes) about 1.9 miles northwest of Interstate Highway 8. Comment
  RSA199883  Tiquilia plicata Marcus E. Jones 1932-4-11 29200 Imperial West of Yuma Comment
  RSA331167  Tiquilia plicata R. F. Thorne, Walter Wisura, P. E. Peterson, C. R. Annable 1984-4-27 58264 Imperial Algodones Dunes, off Hwy 1.8 on Grays Well Rd., W end old plank road. Comment
  RSA764294  Tiquilia plicata Doris Bowers 1970-12-29 1607 Imperial Las Algodones Dunes at U.S. 8 and Old Planked Road Viewpoint 30 Comment
  RSA77892  Tiquilia plicata F. W. Peirson 1927-4-15 7196 Imperial Sand dunes west of Yuma. Comment
  SD17615  Tiquilia plicata Allen C. Keller 1937-5-31 Imperial 29.7 miles east of Holtville. Comment
  SEINET197654  Tiquilia plicata Peter Kamb 1951-4-29 2017 Imperial 19 miles west of Yuma on Hwy 80 Comment
  SEINET3292836 Image available Tiquilia plicata Loraine Yeatts, Dick Yeatts; Mike Yeatts; Nina Yeatts 1996-5-3 3804 Imperial Algodones Dunes along service road just S. of hwy I8, 0.7 mi. W. of Gray's Well exit, near rest area; > 200 m.; sand Comment
  SFV4262A  Tiquilia plicata D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial About 29.5 miles east of Holtville on main highway to Yuma. Sand dunes between highway and very old plank road. Comment
  UC483569  Tiquilia plicata Marcus E. Jones, A. M. 1932-4-11 29200 Imperial dunes w. of Yuma Comment
  UC967440  Tiquilia plicata Peter Kamb 1951-4-29 2017 Imperial 19 mi. w. Yuma (on Hwy. 80) Comment



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