Search Results — 2000 specimen records retrieved (1913 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229301  Abronia villosa Ira L. Wiggins 1957-3-24 14035 Imperial 2 mi. W. of Plaster City along Hwy. 80 Comment
  CDA19630  Abronia villosa J. Chesi 1998-2-26 s.n. Imperial Winterhaven Agricultural Inspection Station 0 Comment
  JEPS61229  Abronia villosa W. S. Childs 1920-5-4 Imperial Brawley Comment
  SBBG1869  Abronia villosa R. Moran 1958-3-1 6512 Imperial Pinto Wash 75 Comment
  SD122380  Abronia villosa Duffie Clemons, Erik Jonsson 1988-2-11 1921 Imperial Shell Reef, in alkaline sandy silty soil 60 Comment
  SD128659  Abronia villosa var. villosa Darley F. Howe 1980-4-13 Imperial 9 miles east of Holtville on Highway 8 Comment
  SD175763  Abronia villosa var. villosa Larry Hendrickson, L. Louise Jee 2005-4-22 2060 Imperial Trust for Public Lands Option Properties. Big Wash, approx. 4.6 air miles west of hwy. 86 and 3.0 air miles north of hwy. S-22 (Borrego-Salton Seaway). 124 Comment
  SD200459  Abronia villosa var. villosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16770 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
  SD242875  Abronia villosa var. villosa 1993-3-7 Imperial Pinto Wash at 98 Comment
  UCR241284  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-28 40574 Imperial Sonoran (Colorado) Desert, west side of the Imperial Valley, 8.75 km west of Mt. Signal/Brockman Rd. along Hwy 98 25 Comment
  UCR252837  Abronia villosa var. villosa Jim Andre 2013-3-3 23978 Imperial Sonoran (Colorado) Desert, Yuha Desert, along Hwy 98 near Pinto Wash, 15.1 mi. ESE of Ocotillo, and west of Calexico 38 Comment
  SEINET3106575  Acacia farnesiana Sears 1977-10-13 S- 599 Imperial 4 miles east of Brawley; edge of Farmland Imperial Valley. -41 Comment
  OBI30240  Acacia greggii Ken Zysk 1971-4-16 P 110 Imperial Hwy 78, 5 mi from Palo Verde, then 3 mi down Milpestas wash Rd, and off on various washes 91 Comment
  SEINET4900042  Acacia greggii J. L. Crane, P. M. Fallah 2003-7-8 Mar- 67 Imperial Ca 2 miles N of Boulder Park off Interstate 8. In-Ko-Pah Gorge quad. Comment
  UCR109530  Acacia greggii R. D. Goeden, Don W. Ricker 1971-4-13 s.n. Imperial Sonoran Desert, Little Picacho Wash on road to Picacho State Recreation Area, 17 miles north of All American Canal, 0.3 mi. south of recreation area boundary 113 Comment
  POM320516  Acacia greggii var. arizonica Worthman 1967-4-11 13 Imperial Painted Gorge, Salton Sea Dranage. Comment
  RSA788537  Achnatherum coronatum Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3516 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  RSA704059  Achnatherum speciosum Jon P. Rebman, Mark Miller 2003-5-10 8978 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border and just N of the US/Mex border. 1220 Comment
  RSA124318  Achyronychia cooperi E. K. Balls 1958-3-20 22911 Imperial 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80 60 Comment
  RSA643212  Achyronychia cooperi Jon P. Rebman, A. Salywon, C. Christy 1998-3-21 4922 Imperial Davies Valley area; south of Ocotillo and south of Highway 98. 150 Comment
  SD124023  Achyronychia cooperi Charles Convis 1980-3-22 91 Imperial 27km due WNW of Westmorland; Colorado Desert, Western Salton Basin, 0-2 km North of San Felipe creek, along north bank of desert wash. Comment
  UCR279083  Achyronychia cooperi A. C. Sanders, Jim Malusa 2017-3-10 42788 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, edge of U.S. Navy Aerial Gunnery Range above Ted Kipf Rd., north of Tortuga Siding 88 Comment
  UCR41475  Achyronychia cooperi A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6161 Imperial Sonoran (Colorado) Desert, East Mesa, east end of Montgomery Rd. at the Coachella Canal, c. 1.25 mi NW of Mammoth Wash crossing of the canal 27 Comment
  SEINET957106  Acmispon argophyllus F. Shreve 1938-1 8213 Imperial IN rocky wash on Mountian Spring grade 11 mi. east of Jacumba. Comment
  RSA0060557  Acmispon glaber var. brevialatus Joe Barth 2011-4-22 1507 Imperial Eastern Jacumba Mts, Anza-Borrego Desert State Park. About 9.5 miles W of town of Ocotillo. 3.2 miles due W of county line; 5.9 miles due N of interstate 8. On wind-blasted ridge above (N of) Palm Canyon; 0.4 mile W of Mortero Palms. 848 Comment
  SD242802  Acmispon glaber var. brevialatus 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  RSA0125411  Acmispon glaber var. brevialatus Amber Swanson, Duncan S. Bell 2011-2-25 163 Imperial Off Hwy I-8 in Devil's Cyn on W side of rd. 528 Comment
  SD242806  Acmispon haydonii 1993-3-21 Imperial Pinto Canyon Comment
  SD260242  Acmispon maritimus A. C. Sanders, Jim Malusa 2016-3-17 42312 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, old Niland-Blythe Rd. between Beal Well and Surveryors Pass, c. 1 mile SW of Surveyors Pass (Augustine Pass 7.5'Q) 598 Comment
  SD200408  Acmispon maritimus var. brevivexillus Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16786 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 14 (SL14), NW of Tetherball Hill in Coral Wash, Site AMBSAL in dried mud and sand arroyo and surrounding hillsides 6 Comment
  SD200009  Acmispon strigosus Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16155 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
  SD200299  Adenophyllum porophylloides Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-24 16666 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), near north fork of Big Wash, Site TRICAL on mesas and surrounding hillsides 57 Comment
  SEINET4560399  Adenostoma fasciculatum Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons & Anh Phan 2012-1 4432 Imperial Jacumba Mountain; at the northwest base of Blue Angel Peak, approximately 0.25 air mile north of U.S./Mexico border. 1309 Comment
  SD80062  Agave deserti var. deserti Russell S. Woglum 1936-5-7 156 Imperial Mountain Springs Grade. Southwest Imperial County (IPB 4/07) Comment
  CDA14283  Alhagi pseudalhagi J. Johnson 1998-5-29 s.n. Imperial at Casey and Cooper Rds. 0 Comment
  RSA0014949  Aliciella latifolia Duncan S. Bell, Kim Clark, Megan Ferguson, Calamity Jane Ferguson, Amber Swanson, Jane Tirrell, Adriana VanKlaveren 2013-3-17 4543 Imperial The Jacumba Mountains; collecting in Davies Canyon, approximately 3.75 air miles south of the town of Ocotillo. 233 Comment
  SD112080  Aliciella latifolia Linda Allen 1977-2-28 Imperial Roadside, along trail leading to Davies Canyon. (IPB 10/07) Comment
  SD242917  Aliciella latifolia 1993-3-11 Imperial Shell Canyon Comment
  SD242918  Aliciella latifolia 1993-3-3 Imperial Shell Canyon Comment
  UCR28738  Aliciella latifolia A. C. Sanders 1976-4-14 016 Imperial Sonoran (Colorado) Desert, Yuha Desert, west of El Centro near Plaster City. Large wash near the Oyster Beds, south of Hwy I- 8 61 Comment
  RSA721452  Aliciella latifolia subsp. latifolia Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-13 4329 Imperial Chocolate Mountains: Along Beal road W/SW of Surveyor's Pass. 399 Comment
  SBBG29410  Aliciella latifolia subsp. latifolia D. Myrick 1968-3-1 1779 Imperial Gypsum Mine railroad, 15 mi S of Ocotillo Wells, base of Fish Crk Mtns 30 Comment
  SD173074  Aliciella latifolia subsp. latifolia Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-3-24 1752 Imperial California State Lands Commission property. In narrow tributary drainage north of Palm Wash, approx. 4.2 air miles west of hwy. 89 and 0.9 air mi. north of hwy S-22 (Borrego-Salton Seaway). T10s, R9e, Sec. 20. 50 Comment
  SD191984  Aliciella latifolia subsp. latifolia Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14492 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site LARTRI in arroyo bottom and surrounding embankments -31 Comment
  SD200124  Aliciella latifolia subsp. latifolia Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16529 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
  RSA101735  Allenrolfea occidentalis R. Weatherby 1950-3-4 1042 Imperial Shores of Salton Sea Comment
  RSA312469  Allenrolfea occidentalis Malcolm A. Nobs, S. Galen Smith 1948-9-4 529 Imperial Unleached, alkali land. National Waterfowl Refuge, 5 miles north of Westmoreland Comment
  RSA69681  Allenrolfea occidentalis F. W. Peirson 1918-03 1840 Imperial Ranch at northern end of Salton Sea. Comment
Read comments
Feb 20 2013
  SD118879  Allenrolfea occidentalis Duffie Clemons, Erik Jonsson & Mike Curto 1986-1-18 1249 Imperial Northwest of Old Carrizo Stage Station site. 135 Comment
  UCSB31330  Allenrolfea occidentalis R. Ownbey 1978-3-12 S.N. Imperial COLORADO DESERT THERMAL Comment
Read comments
Aug 27 2016
  CAS-BOT-BC434471  Allionia incarnata Frank B. McMurry 1945-5-26 1402 Imperial Government Camp, Imperial Dam Site 60 Comment
  CDA174  Allionia incarnata Frank B. McMurry 1943-1 1402 Imperial Sonoran Desert, Imperial National Wildlife Refuge. 0 Comment
  RSA11627  Allionia incarnata C. Epling, Wm. Robinson 1933-2-17 s.n. Imperial Signal Mountain. Comment
  SD142219  Allionia incarnata Jon Rebman, L. Renfro 1997-11-19 4751 Imperial Northwest of Yuma: E of Ogilby Road along Indian Pass Road at Chemgold Company's Imperial Project Comment
  SEINET1939464  Allionia incarnata A. M. Phillips, B. 1978-12-26 78 -781 Imperial Southeast end of Chocolate Mtns, 11miles NE of Glamis, roadside along highway ca-78 Comment
  UC170136  Allionia incarnata E. E. Schellenger 1894-12-3 101 Imperial Colorado Desert, Chucawalla Wash Chucawalla Wash; Colorado Desert, Chucawalla Wash Comment
  UCR103598  Allionia incarnata George K. Helmkamp, E. A. Helmkamp 1998-3-19 2939 Imperial Sonoran (Colorado) Desert, Imperial Dam area, just south of the dam on Hwy S-24. 76 Comment
  SD250761  Allionia incarnata var. incarnata Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-26 28840 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
  SD143822  Allionia incarnata var. villosa G. K. Helmkamp, E. A. Helmkamp 1998-3-18 2903 Imperial 7.0 miles north of Winterhaven on Picacho Road and 1.7 miles east on powerline road. 198 Comment
  RSA402996  Amaranthus palmeri Edwin Kline 1920-5-14 s.n. Imperial [no locality information provided] Comment
  SFV13489  Amaranthus retroflexus M. H. Grayum, D. L. Koutnik, J. P. Abravaya, B. Holguin 1977-12-18 933 Imperial Imperial Valley About 1 mile east of Westmoreland along north side of Boarts Road at edge of lettuce field. -47 Comment
  UCD97596  Amaranthus watsonii D. W. Ragsdale 1957-7-30 s.n. Imperial ca. 3 miles south of El Centro. Comment
  CAS-BOT-BC22392  Ambrosia dumosa E. A. McGregor 1917-4-1 825 Imperial between Coyote Wells and Cement Bridge Comment
  GMDRC9779  Ambrosia dumosa J. M. Andre 2017-3-9 37951 Imperial Borrego Desert: 4 mi. east of Ocotillo, about 1 mile north of Interstate 8 67 Comment
  RSA336141  Ambrosia dumosa R. F. Thorne 1978-4-29 52093 Imperial Near Salton Sea: along Highway 86 near entrance to Salton Sea Navel Base, SSE of Salton Sea -61 Comment
  RSA416977  Ambrosia dumosa M. B. Dunkle 1932-3-26 2950 Imperial Kane Springs Comment
  RSA643344  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-4-7 s.n. Imperial Colorado Desert: ca. 6 miles NW of Ocotillo, 0.9 mi. S of Hwy S2 at county line. 305 Comment
  SD191757  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14592 b 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
  SD191758  Ambrosia dumosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14529 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
  SD199776  Ambrosia dumosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16520 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
  JEPS29249  Ambrosia ilicifolia Rimo Bacigalupi, P. C. Hutchison, L. Heckard 1962-3-20 8318 Imperial 8.5 mi s of Picacho (northward to Picacho Landing on Colorado River); Colorado River 213 Comment
  LA202943  Ambrosia ilicifolia Carl Epling; William Robison 1933-2-17 sn Imperial Signal Mountain Comment
  UC1952753  Ambrosia ilicifolia Jon Rebman, Jim Rocks 2005-2-10 10966 Imperial Little Picacho Wilderness Area (BLM property): North of Winterhaven, SW of Colorado River; approx. 18 miles N of S24 on Picacho Road; just south of the Picacho State Recreation Area 195 Comment
  UC527487  Ambrosia ilicifolia C. B. Wolf 1931-5-29 Imperial wash at n base of Signal Mt.; Colorado Desert 30 Comment
  UC88772  Ambrosia ilicifolia T. S. Brandegee 1901-3-30 Imperial near boundary line Signal Mt.; Colorado Desert Comment
  CAS-BOT-BC272888  Ambrosia salsola E. A. McGregor 1917-3-17 708 Imperial Colorado Desert. 20 miles west of Salton Sea Comment
  CAS-BOT-BC272890  Ambrosia salsola Robert F. Thorne; R. Rutherford 1964-4-11 33602 Imperial Gables Wash, ca 3 miles W of Imperial Gables, Chocolate Mts. 396 Comment
  RSA0022081  Ambrosia salsola J. Andre 2013-3-3 23951 Imperial Yuha Desert, along dirt road 2.2 miles SW of town of Ocotillo, about 1.5 miles S of I-8. 165 Comment
  UC669286  Ambrosia salsola Annie M. Alexander and Louise Kellogg 1941-3-8 1908 Imperial 13 mi n Ogilby; Colorado Desert 185 Comment
  JEPS121553  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-15 327 Imperial West of Salton Sea, along Salton Borrego Seaway. Comment
  SBBG22759  Ambrosia salsola var. salsola D. Myrick 1965-2-26 1048 Imperial near Westmoreland 60 Comment
  SD199789  Ambrosia salsola var. salsola Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16227 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
  UC484062  Ambrosia salsola var. salsola C. B. Wolf 1931-3-14 1891 Imperial 5 mi w Coyote Wells (on road to Mountain Springs) 152 Comment
  CAS-BOT-BC428017  Amsinckia Greg Gust; Leith Nye 2005-3-4 491 Imperial On roadside of Hwy 78 ca. 24 miles N of I-8 242 Comment
  SEINET10389871  Amsinckia intermedia A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42081 Imperial Chocolate Mountains, upper Mammoth Wash, below 'slot' canyon 439 Comment
  SEINET10389883  Amsinckia intermedia A. C. Sanders, Jim Malusa 2016-3-7 42123 Imperial Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  UCR153081  Amsinckia intermedia Jon P. Rebman 2001-3-14 7127 Imperial Peninsular Ranges/ Cuyamaca-Laguna Mtns, Jacumba Natural Area, In-ko-pah Mtns 975 Comment
  UCD83531  Amsinckia menziesii Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5872 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
  UCR253708  Amsinckia menziesii Jim Andre 2013-3-4 24141 Imperial Sonoran (Colorado) Desert, along Ogilby Road, 22 mi north of I-8, c. 4 mi south of the junction with Hwy 78 242 Comment
  UCR268937  Amsinckia tessellata var. tessellata Jim Andre 2015-3-3 31396 Imperial Sonoran (Colorado) Desert, Jacumba Mountains, 0.2 mi south of Hwy 8 at In-ko-pah exit, just east of San Diego Co. line 963 Comment
  CDA4902  Anoda pentaschista L. Pineda, R. A. Flock 1983-9-9 Imperial Collins and Flood, Bard. 0 Comment
  RSA788588  Arabis pulchra Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3520 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  SD139613  Arctostaphylos glauca Jon Rebman, Maggie Loy 1996-10-25 3686 Imperial Smuggler's Cave area: mountains SE of In-ko-pah: E of Jacumba 1029 Comment
  CLARK-A1528-3404  Argemone munita John C. Roos 1949-4-7 4162 Imperial Salton Trough Comment
  RSA643308  Argemone munita R. D. Goeden, D. W. Ricker 1978-1-12 s.n. Imperial Colorado Desert: Sandy desert wash [Coyote Wash?], S of Ocotillo 128 Comment
  UC1040956  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2113 Imperial 0.5 mi sw Beal Well (in broad flat wash between hills (mts.)); Chocolate Mts.; SW of Beal Well, Chocolate Mts., Imperial Co. Comment
  UCR266721  Argemone munita A. C. Sanders, Jim Malusa 2016-1-23 41978 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, canyon north of old Niland to Blythe road, 1 mile west of Beal Well 473 Comment
  UCR269673  Argemone munita A. C. Sanders, Jim Malusa 2016-3-15 42251 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd. 434 Comment
  CAS-BOT-BC26286  Argemone munita subsp. argentea Gerald B. Ownbey; Findley Ownbey 1954-5-22 2113 Imperial 0.5 mile s.w. of Beal well, in broad, flat wash between desert hills (Chocolate Mts.). Comment
  CAS-BOT-BC227226  Aristida adscensionis A. C. Sanders 2010-2-18 37262 Imperial Sonoran (Colorado) Desert; Salton Trough: SW side of Hwy 111 at Niland Marina Rd., dry upper edge of Salton Sea, at near Frink bench mark -51 Comment
  JEPS68441  Aristida adscensionis S. B. Parish 1912-10-13 8239 Imperial near Dixieland; Salton Basin -15 Comment
Read comments
Jun 25 2012
  RSA591522  Aristida adscensionis P. A. Munz, C. L. Hitchcock 1932-4-5 12127 Imperial 10 miles SE of Holtville Comment
  RSA781242  Aristida adscensionis A. C. Sanders 2010-2-18 37262 Imperial SW side of Hwy 111 at Niland Marina Rd., dry upper edge of Salton Sea, at near Frink bench mark -51 Comment
  SD115677  Aristida adscensionis Duffie Clemons, Erik Jonsson 1983-10-2 791 Imperial Approximately 100 plants in silty gravel soil, Mt. Signal quad map 29 Comment
  SD142290  Aristida adscensionis Jon Rebman, L. Renfro 1997-11-19 4761 Imperial Northwest of Yuma, east of Ogilby Road along Indian Pass Road, at Chemgold Company's Imperial Project. Comment
  SD173281  Aristida adscensionis Larry Hendrickson, L. Louise Jee 2005-4-22 2067 Imperial Trust for Public Lands Option Properties. Big Wash, approximately 4.6 air miles west of Highway 86 and 3.0 air miles north of Highway S-22 (Borrego-Salton Seaway). 124 Comment
  SD199744  Aristida adscensionis Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16263 a Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), North Fork of Palm Wash, Site HYPEMO in sandy arroyo and surrounding rocky embankments 88 Comment
  SD211357  Aristida adscensionis Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18880 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
  SD243745  Aristida adscensionis Stephen Larson 1983-12-23 Imperial [Locality determined by SDNHM] South of Highway 98 Comment
  SD250562  Aristida adscensionis Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-26 28830 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
  UC121426 Image available Aristida adscensionis T. S. Brandegee 1901-3-30 Imperial Signal Mt. Near Boundary Line. Comment
  UC605010  Aristida adscensionis Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9622 Imperial Painted Gorge Carisso Mts. (upper end) Comment
  UCD56417  Aristida adscensionis A. A. Beetle 1942-4-22 3252 Imperial Jct. Rt. 80 with road to Ogilby. Comment
  UCD56423  Aristida adscensionis Robert F. Thorne; R. Rutherford 1964-4-11 33629 Imperial Cargo Muchacho Mts., Araz Wash, between Pasadena and Stud Mts. 304 Comment
  UCR103661  Aristida adscensionis George K. Helmkamp, E. Helmkamp 1998-1-24 2609 Imperial Sonoran (Colorado) Desert, Ogilby Rd, 14.2 mi. south of the junction with Calif. Hwy 78, vicinity of Tumco Wash 183 Comment
  UCR212557  Aristida adscensionis Jon P. Rebman, Warren Schmidtmann, Larry Hendrickson, L. Louise Jee 2008-4-8 14371 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
  UCSB45568  Aristida adscensionis Roos, John 1949-4-7 Imperial Flats near Winterhaven, lower Colorado River Valley 40 Comment
  UCSB71630  Aristida adscensionis Kearns, D.; Simmons, K. 1979-3-3 Imperial Beginning of Shell Canyon; 2 mi E of 52 on Shell Canyon Road Comment
  SEINET10511941  Aristida adscensionis Philip A. Munz, Charles L. Hitchcock 1932-4-5 Munz 12127 Imperial Common in sandy flats, 10 miles SE of Holtville. Comment
  RSA254082  Aristida adscensionis var. modesta Noel Holmgren, Patricia K. Holmgren 1973-3-24 6506 Imperial Palo Verde Mountains, along Old Palo Verde Road, 7 airmiles south-southwest of Palo Verde. T10S R21E sec.5. 244 Comment
  RSA385009  Aristida adscensionis var. modesta H. de Forest, Jack Rempel 1933-4-10 s.n. Imperial Between Cargo Muchacho and Chocolate Mt. Comment
  RSA387415  Aristida adscensionis var. modesta Steve Boyd 1986-2-6 1239 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 mi. NE of Highway I-8 off Sidewinder Road and Power-line Road. Comment
  RSA0030878  Aristida adscensionis var. modesta S. B. Parish 1912-10-13 8239 Imperial Salton Basin. New Dixieland [presumably Dixieland]. -15 Comment
  RSA0015711  Aristida californica Duncan S. Bell, Heath Bartosh, Aaron Sims, Danny Slakey 2013-10-18 6079 Imperial Jacumba Mountains; Skull Canyon to the east of Davies Canyon, about 0.75 air mile north of the U.S./Mexico border. 255 Comment
  RSA0024963  Aristida californica Jim Andre 2013-3-3 23973 Imperial Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing. 38 Comment
  SBBG92173  Aristida californica D. F. Howe 1980-4-13 Imperial Hwy 8, 6 mi E of Holtville Comment
  UCD56345  Aristida californica Robert E. Preston 1997-11-13 1074 Imperial Imperial Dunes. 91 Comment
  UCR33715  Aristida californica Sears 1978-4-10 1111 Imperial Sonoran (Colorado) Desert, 7 mi NW of US Hwy 80, 8 mi NW of Winterhaven, Picacho Rd, just across All American Canal in Picacho Wash 55 Comment
  JEPS68449  Aristida californica var. californica S. B. Parish 1912-10-13 8238 Imperial Travertine Rock Salton Basin -45 Comment
Read comments
Mar 12 2011
  UCD56352  Aristida californica var. californica A. A. Beetle 1942-4-22 3172 Imperial 8 miles east of El Centro. Comment
  UCR279156  Aristida purpurea A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42719 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  CDA31492  Aristida purpurea var. parishii G. D. Barbe, J. L. Johnson 1982-11-2 4019 Imperial ca. 1 mile west of the army road, 7.2 miles south of Wiley s Well, northeastern Imperial County. 0 Comment
  UCR26332  Aristida purpurea var. parishii John C. Roos 1949-4-8 4198 Imperial Sonoran (Colorado) Desert, east end of Palo Verde Mtns. [Hwy 78 between Palo Verde and Milpitas Wash] Comment
  POM90996  Aristida purpurea var. parishii E. C. Jaeger 1925-12-22 s.n. Imperial Beals Well, Chocolate Mountains. Comment
  SD152282  Artemisia ludoviciana subsp. albula Jon Rebman, Joan Dowd & Veronica Gallego 2000-4-21 6576 Imperial Inkopah Mountains. Jacumba Wilderness Area 1000 Comment
  CAS-BOT-BC222826  Asclepias albicans C. B. Wolf 1931-3-14 1892 Imperial At base of Mountain Springs grade, west side of Colorado Desert 243 Comment
  CAS-BOT-BC222835  Asclepias albicans F. W. Haasis 1960-2-14 14 .60 Imperial 3 miles northeast of Gold Rock Ranch 243 Comment
  SD19725  Asclepias albicans Frank F. Gander 1937-10-27 4656 Imperial In Ko Pah Gorge Comment
  SEINET212851  Asclepias albicans Noel H. Holmgren, Patricia K. Holmgren 1973-3-29 6558 Imperial Chocolate Mountains; Picacho Road, 6.7 miles South of Picacho, 15.5 airline miles North of Yuma. 244 Comment
  UCR106879  Asclepias albicans George K. Helmkamp, E. A. Helmkamp 1998-3-19 2962 A Imperial Sonoran (Colorado) Desert, Little Picacho Wash along Picacho Rd, 2.5 mi. south of Picacho State Recreation Area 152 Comment
  JEPS101695  Asclepias subulata Dean W. Taylor 1998-5-12 16385 Imperial vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation 85 Comment
  RSA401108  Asclepias subulata Christopher Davidson 1979-4-28 7768 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  SD144079  Asclepias subulata B. Pitzer 1997-10-19 3343 Imperial Ogilby Rd. ca. 0.5 mile north of Highway I-8, at Powerline Road (which takes off to the east). Flat area adjacent to Powerline Road, probably previously scraped. (IPB 10/07) 91 Comment
  SD199772  Asclepias subulata Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16153 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
  SD250421  Asclepias subulata A. C. Sanders, Jim Malusa 2015-9-7 41807 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, c. 5.5 miles due west of the S end of the Little Mule Mnts, along the road from Camp Burt to new target at Invader, wash crossing near road jct. to Salvation Pass (Pegleg Pass 7.5'Q) 401 Comment
  SEINET3081959 Image available Asclepias subulata W. P. Armstrong 1983-5-10 1128 Imperial W side of Ogilby Road (S-34) 100 mi N of junction with I-80. 30 Comment
  UCR107218  Asclepias subulata D. F. Howe 1980-4-13 s.n. Imperial Sonoran (Colorado) Desert, 1 mi. west of agricultural inspection station on Hwy 8. Comment
  HSC14540  Astragalus aridus C. L. Hitchcock 1966-3-19 24285 Imperial 15 mi. E of Holtsville, along Hwy. to Yuma. Comment
  RSA124268  Astragalus aridus E. K. Balls, Percy C. Everett 1958-3-19 22886 Imperial On sand dunes. 30 Comment
  SD199998  Astragalus aridus Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16092 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 1 mile W of Hwy. 86; Section 14 (SL14), Palm Wash, Site ABRVIL in sandy arroyo bottom and surrounding mud embankments -35 Comment
  UC495104  Astragalus aridus Philip A. Munz and C. L. Hitchcock 1932-4-5 12129 Imperial 10 mi se Holtville; se of Holtville Comment
  UCSB12254  Astragalus aridus Tarwater, Shirley 1961-3-4 Imperial 3 miles north of El Centro Naval Base at Fillaree Main Canal Comment
  PASA2721  Astragalus coccineus March 1928 Imperial Mountains west of El Centro Comment
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Sep 3 2016
  CAS-BOT-BC177750  Astragalus crotalariae S. B. Parish 1912-10-15 8298 Imperial Desert SW. of Brawley, near Salton Sea 36 Comment
  CAS-BOT-BC177757  Astragalus crotalariae Roxana S. Ferris 1939-3-29 9694 Imperial Split Mountain Canyon, Fish Creek Mountains Comment
  CAS-BOT-BC177761  Astragalus crotalariae Philip A. Munz 1941-3-29 16591 Imperial Salton Wash north of Salton Sea Comment
  JEPS54591  Astragalus crotalariae Lois Chambers 1933-12-31 Imperial Westmorland , Westmorland (Colorado Desert) Comment
  OBI38351  Astragalus crotalariae A. C. Sanders, et al. 1986-3-8 6163 Imperial Imperial Valley, on side of Montgomery rd, 1.1 mi W of Haley rd and 0.2 mi E of the Highline Canal; 8 mi ENE of Calipatria 0 Comment
  POM26132  Astragalus crotalariae S. B. Parish 1913-2-8 8225 Imperial Border of Salton Sea -61 Comment
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Mar 12 2011
  SEINET938119  Astragalus crotalariae J. C. Roos 1947-1 3305 Imperial In alkaline silt at Fish Springs, Salton Sink, north-west side of the Salton Sea. -61 Comment
  UC1252079  Astragalus crotalariae J. H. Thomas 1949-4-21 382 Imperial 10 mi w Holtville (just n of highway 80); w of Holtville Comment
  RSA776459  Astragalus crotalariae Amber Swanson, Duncan S. Bell 2011-2-26 175 Imperial Yuha desert, halfway to Yuha Buttes. 25 Comment
  RSA708299  Astragalus didymocarpus var. obispoensis J. P. Rebman, D. Silverman, B. Lauri, Oscar Solis 2001-4-13 7241 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at top of grade along road to Valley of the Moon. 1150 Comment
  SD155796  Astragalus didymocarpus var. obispoensis Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7241 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at top of grade along road to Valley of the Moon. (IPB 10/07) 1150 Comment
  SEINET897982  Astragalus insularis Steven P. MacLaughlin, Janice E. Bowers 1985-1 2942 Imperial Uncommon in sandy soil. I-8, 76 Comment
  SD240201  Astragalus insularis var. harwoodii Michael Wood 2010-3-19 Imperial Near Plaster City, just north of Interstate 8, approximately 3.5 mi east of junction with Imperial Highway. 92 Comment
  SD143917  Astragalus lentiginosus var. borreganus B. Pitzer 1998-2-2 3488 Imperial Algondones Dunes: south terminus of Ogilby Road on south side of Highway I-8. 60 Comment
  SEINET10577588  Astragalus leucopsis David B. Dunn 1937-3-14 Dunn UMO 40304 Imperial Comment
  RSA754258  Astragalus magdalenae var. peirsonii Robert F. Thorne, Robert Rutherford 1964-4-11 33612 Imperial A few miles W of Glamis. 122 Comment
  UC669211  Astragalus magdalenae var. peirsonii Annie M. Alexander and Louise Kellogg 1941-3-3 1888 Imperial Yuma-El Centro Road , Yuma-El Centro Road (Colorado Desert) Comment
  RSA0006815  Astragalus magdalenae var. peirsonii H. D. Ripley, R. C. Barneby 1940-1-27 2283 Imperial Yuma Dunes. Comment
  SEINET2082558  Astragalus magdalenae var. peirsonii G. Rink 2001-1 Imperial Comment
  RSA0121512  Astragalus nuttallianus var. austrinus Marcus E. Jones 1906-4-25 s.n Imperial West of Yuma. Comment
  RSA415643  Astragalus palmeri Ora M. Clark 1929-4-7 2033 Imperial San Felipe Ranch. Comment
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Apr 28 2014
  SD152214  Astragalus palmeri Jon Rebman, Joan Dowd & Veronica Gallego 2000-4-21 6564 Imperial Inkopah Mountains. Jacumba Wilderness Area 1000 Comment
  UCR99818  Astragalus palmeri Jon P. Rebman, Melanie Howe 1997-4-5 3896 Imperial Sonoran Desert, Jacumba Natural Area: east of Jacumba: Inkopah Mtns: region near Valley of the Moon 900 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
  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
  SD155815  Athysanus pusillus Jon P. Rebman 2001-3-16 7203 Imperial Jacumba Natural Area, In-Ko-Pah Mountains, near Smuggler's Cove. (IPB 10/07) 1046 Comment
  SD115612  Atrichoseris platyphylla Duffie Clemons, Erik Jonsson 1983-4-21 485 Imperial In gravelly sandy soil of desert flat, 6.6 miles east of Glamis, north of Highway 78. (IPB 10/07) 149 Comment
  SD48477  Atrichoseris platyphylla E. K. Balls, P. C. Everett 1958-3-20 22935 Imperial 1 mile north of Midway Wells on road to Blythe. 274 Comment
  UC1292315  Atrichoseris platyphylla C. L. Hitchcock and C. V. Muhlick 1964-3-21 23235 Imperial 10 miles south of Palo Verde (on the road to Glamis) Comment
  SEINET3930595  Atriplex canescens Grant D. Brown 1950-3-29 506 Imperial 5 miles W of Highway #99 on Highway #78.; 0 Comment
  UC1303157  Atriplex canescens C. B. Wolf 1932-10-14 4341 Imperial 4 mi e Holtville (Imperial Valley); , e of Holtville 0 Comment
  UC583099  Atriplex canescens W. M. Ingram October 1934 6 Imperial Rockwood Comment
  UCR1572  Atriplex canescens William R. Bowen 1962-4-18 043 Imperial Sonoran (Colorado) Desert, 20 mi north of Niland along State Hwy 111 -70 Comment
  CAS-BOT-BC170641  Atriplex canescens subsp. canescens W. M. Ingram 1934-10-1 s.n. Imperial Rockwood Comment
  CAS-BOT-BC170218  Atriplex canescens subsp. linearis K. Larson 1976-5-5 60094 A Imperial Near New River & Cattle Pens So. of Heber Comment
  UCR108068  Atriplex canescens var. canescens Jon P. Rebman, Maggie Loy 1996-10-25 3721 Imperial Sonoran (Colorado) Desert, South of Seeley, at Fig Lagoon -15 Comment
  POM278664  Atriplex canescens var. laciniata Grant D. Brown 1949-12-15 475 Imperial All-American Canal overpass on Niland-Blythe Road (4 miles NE of Niland) Comment
  POM278691  Atriplex canescens var. laciniata Grant D. Brown 1915-3-29 504 Imperial 1.6 miles N of Kane Springs on hyway #99 Comment
  SD40838  Atriplex canescens var. linearis Carl B. Wolf 1932-10-13 4331 Imperial Wister, southeast side of Salton Sea. Comment
  RSA452369  Atriplex canescens var. linearis Edwin Kline 1920-11-2 s.n. Imperial [Unspecified] Comment
  CAS-BOT-BC518733  Atriplex canescens var. macilenta A. C. Sanders 2010-2-18 37263 Imperial Sonoran (Colorado) Desert; Salton Trough: SW side of Hwy 111 at Niland Marina Rd., dry upper edge of Salton Sea, at near Frink bench mark -51 Comment
  CAS-BOT-BC520436  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37601 Imperial Sonoran (Colorado) Desert; Salton Trough: Wister, Howell Road at RR tracks, near Hwy 111 -59 Comment
  UCR212916  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37591 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, upper English Road above Wilkins Rd., c. 5.7 mi. NNW of Niland -1 Comment
  UCR212946  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37583 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Hwy 111 at English Rd., c. 2 mi. NW of Niland, between hwy and RR tracks -51 Comment
  UCR214482  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37620 Imperial Sonoran (Colorado) Desert; Salton Trough, east side of the Salton Sea, Hot Mineral Spa Road 1.4 mi above Hwy 111, 4 miles NE (42 deg. ) of Bombay Beach -45 Comment
  UCR214487  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37623 Imperial Sonoran (Colorado) Desert; Salton Trough, east side of the Salton Sea, Hot Mineral Spa Road at Trily Rd. 2.6 mi above Hwy 111, 5 miles NE (32 deg. ) of Bombay Beach -32 Comment
  POM128762  Atriplex elegans var. fasciculata F. W. Peirson 1927-4-16 7202 Imperial A couple of miles below foot of Mountain Springs grade Comment
  RSA278768  Atriplex elegans var. fasciculata Bonnie M. Rich 1979-4-10 79026 Imperial On the east side of the East Highline Canal 5 miles east of Niland. Comment
  RSA289315  Atriplex elegans var. fasciculata Charles Convis 1980-4-10 118 Imperial Colorado Desert, Western Salton Basin, 27 km due WNW of Westmorland. Flats 0-2 km E of confluence of Carrizo and San Filipe Creeks. -35 Comment
  CAS-BOT-BC168322  Atriplex hymenelytra Ira L. Wiggins 1937-2-16 8547 Imperial Western slopes above Salton Sea 1.5 miles south of Truckhaven Comment
  CAS-BOT-BC168324  Atriplex hymenelytra LeRoy Abrams 1907-12-29 6322 Imperial Signal Mt. Comment
  CAS-BOT-BC170240  Atriplex hymenelytra Lathrop; R. F. Thorne 1977-11-13 7848 Imperial 2.5 mi W of Plaster City 609 Comment
  HSC83124  Atriplex hymenelytra A. C. Sanders, Charlton, Pitzer, Kniffen, Wright 1986-3-10 6255 Imperial Coyote Mtns., 2.15 mi. N of Hwy. S-2 on dirt Rd. 1.1 mi. SE of the San Diego Co. line. 305 Comment
  RSA478247  Atriplex hymenelytra H. de Forest 1932-2-22 s.n. Imperial Painted Gorge Comment
  RSA65389  Atriplex hymenelytra F. W. Peirson 1922-4-12 2354 Imperial 28 miles south of Coachella. Comment
  RSA696713  Atriplex hymenelytra J. Russell Bruff 1928-12-29 400 Imperial 2 mi. S.E. of Spindle Top Well; mi. S.E. of Mecca. Comment
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Aug 29 2016
  SD124692  Atriplex hymenelytra A. C. Sanders, Pitzer, Charlton, et al. 1986-3-9 6192 Imperial Coyote Mountains, Fossil Canyon, 3.3 miles north of Imperial Highway at Ocotillo, on Shell Canyon Road. 299 Comment
  SD139304  Atriplex hymenelytra Jon Rebman 1996-8-2 3342 Imperial Coyote Mts: between Ocotillo and El Centro: along Painted Gorge Road, 2.6 miles N of S-80 and 3.8 miles E of S-2 49 Comment
  SD1424  Atriplex hymenelytra Ralph W. Sumner 1920-6-1 Imperial west side of Colorado Desert ---Mountain Springs Grade Comment
  SD200395  Atriplex hymenelytra Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16765 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
  SD211400  Atriplex hymenelytra Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18850 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
  SD216562  Atriplex hymenelytra Ian Cain 2011-3-29 1575 Imperial North of I-8, 6.51 km west of Plaster City 56 Comment
  SD254592  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2016-1-24 41996 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Rang, beside old Niland to Blythe Road on the upper alluvial fan at the foot of the mountains, c. 7.8 miles NE (64a^z) of Niland (Lion Head Mountain 7.5'Q) 246 Comment
  SD38022  Atriplex hymenelytra Edith A. Purer 1935-4-19 6375 Imperial Colorado Desert, Bluff (mak 6/06) Comment
  HSC65710  Atriplex lentiformis Charles Convis 1980-2-6 9 Imperial W Colorado Desert, W Salton Basin, 27 km due WNW of Westmorland, near confluence of Carrizo and San Felipe Creek. -43 Comment
  RSA336133  Atriplex lentiformis R. F. Thorne 1978-4-29 52108 Imperial South of Salton Sea: West Lake along Alamo River, S of Calipatria Comment
  SD139627  Atriplex lentiformis Jon Rebman, Maggie Loy 1996-10-25 3711 Imperial W of Calexico: along border between U.S./Mexico: on edge of agricultural fields 49 Comment
  SEINET10479103  Atriplex lentiformis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4937 Imperial Fort Yuma Indian Reservation. Around California side of bridge over the Colorado River. At Winterhaven Drive/ 4th Avenue (Bus. I-8) bridge in the town of Winterhaven. Along the Colorado River. Flood plain, just north of the city of Yuma, Arizona. 5 Comment
  SEINET4135620  Atriplex lentiformis Howard C. Stutz 1978-12-18 8376 Imperial Located 20 miles east of El Centro.; 0 Comment
  UCR254327  Atriplex linearis Margaret R. Mulligan, Larry Hendrickson, Guy L. Fleming 2009-10-2 3125 Imperial Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, west of Hwy 86, Section 14 (SL14), in Coral Wash, site ATRCANL 1 Comment
  CAS-BOT-BC176470  Atriplex polycarpa S. B. Parish 1912-10-20 8261 Imperial Banks of New River, Caleixo 6 Comment
  POM279033  Atriplex polycarpa Grant D. Brown 1950-3-28 498 Imperial 8 miles west of Plaster City. Comment
  RSA289344  Atriplex polycarpa Charles Convis 1980-2-4 7 Imperial Colorado Desert, Western Salton Basin, 27 km due WNW of Westmoreland, Ca. 0-2 km east of confluence of Carrizo & San Filipe creeks. -35 Comment
  RSA48310  Atriplex polycarpa E. K. Balls 1949-4-4 12945 Imperial On highway 111, 5 miles north of Niland, Colorado Desert. -61 Comment
  UCR242072  Atriplex polycarpa A. C. Sanders, T. B. Salvato, Tim Thomas 2012-10-31 40487 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., Arroyo Seco, SW of Graham Pass, 3.3 km SW (242 deg. ) of Raineys Well, W of BLM Rd. 552 between rds. 620 & 988 566 Comment
  SD142450  Atriplex semibaccata Jon P. Rebman, Adrienne Russell 1997-9-6 4184 Imperial West of Calexico: junction of Brockman Road & Hwy. 98; along irrigation ditch 0 Comment
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Jun 10 2015
  SEINET7986061  Atriplex semibaccata Jon P. Rebman 1996-10-28 3775 Imperial Salton Sea, Near agricultural area at the Salton Sea and Lack Road 60 Comment
  UCD97715  Atriplex semibaccata Malcolm A. Nobs; S. Galen Smith 1948-9-4 533 Imperial five miles north of Calipatria. Comment
  SBBG127391  Atriplex suberecta A. C. Sanders 2010-3-25 37582 Imperial Hwy 111 ca. 0.5 mi NW of Niland, just N of Marshy Wash, between hwy and RR tracks, Imperial Valley -43 Comment
  UCR107993  Atriplex suberecta Jon P. Rebman, Adrienne Russell 1997-9-6 4184 Imperial Sonoran (Colorado) Desert, Imperial Valley, west of Calexico; junction of Brockman Road and Hwy 98. 1 Comment
  IRVC1479  Avena fatua Janet Morgan 1965-4-3 HS 77 Imperial 3 miles East of Brawley. Comment
  SD115600  Baccharis brachyphylla Duffie Clemons, Erik Jonsson 1983-4-16 473 Imperial [Clark Lane, East of Davies Valley] In sandy soil at edge of wash, Coyote Wells quad 295 Comment
  SEINET11851990  Baccharis glutinosa G. L. Fisher 1922-1 s.n. Imperial Yuma (Arizona) in California 46 Comment
  CAS-BOT-BC99664  Baccharis salicifolia E. A. McGregor 1917-3-11 2004 Imperial Westmoreland Comment
  SEINET899251  Baccharis salicifolia C. B. Wolf 1932-1 4338 Imperial Colorado Desert. Imperial Valley, 2 mi. E. of Calipatria. -30 Comment
  SEINET899261  Baccharis salicifolia S. P. McLaughlin, J. E. Bowers 1985-1 3052 Imperial Along Colorado River just east of Ft. Yuma Comment
  POM197090  Baccharis salicifolia H. E. Parks, S. T. Parks 1929-2-11 390 Imperial [No locality information on label] Comment
  UC135081  Baccharis salicifolia subsp. salicifolia T. S. Brandegee 1901-4-1 Imperial Colorado Desert, New River Channel Comment
  SD139694  Baccharis salicina Jon P. Rebman, Maggie Loy 1996-10-26 3728 Imperial South of Seeley, east of Fig Lagoon, along the New River. 20 Comment
  SFV4263A  Baccharis salicina D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Imperial About 45 miles east of Holtville on main highway to Yuma. Lowland. Side, dirt road beside drainage ditch. Comment
  CAS-BOT-BC99825  Baccharis sarothroides Carl B. Wolf 1932-10-14 4345 Imperial Colorado Desert. Imperial Valley, 5 mi. E. of Holtville 0 Comment
  JEPS21297  Baccharis sarothroides W. L. Jepson Oct 22 1912-Nov 7 1912 5287 Imperial Milpitas, (Whipple Mts.) 45 Comment
  SD254529  Baccharis sarothroides A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42090 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, upper Mammoth Wash (Mammoth Wash 7.5'Q) 447 Comment
  SD139691  Baccharis sergiloides Jon P. Rebman, Maggie Loy 1996-10-25 3700 Imperial In-ko-pah area, along Boulder Creek and just east of San Diego/Imperial County line, near small oasis. (IPB 10/07) 915 Comment
  CAS-BOT-BC295883  Bahiopsis parishii Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11265 Imperial 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's Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA0088606  Bahiopsis parishii Jim M. Andre 2015-3-3 31331 Imperial Along dirt road 0.6 mi. west of Imperial Hwy (Hwy S2), 7.5 mi NW of town of Ocotillo, just east of San Diego County line. 252 Comment
  SD73554  Bahiopsis parishii Helen V. Witham 1970-3-1 687 Imperial Frequent, on slopes, Pinto Wash. (IPB 10/07) 299 Comment
  CAS-BOT-BC99945  Baileya pauciradiata S. B. Parish 1912-10-18 8368 Imperial [Dixey land] Dixieland 15 Comment
  CDA10403  Baileya pauciradiata T. C. Fuller 1962-4-4 8049 Imperial 0.7 mile south of Highway 98, 11.5 miles west of Calexico. 0 Comment
  CDA14611  Baileya pauciradiata G. D. Barbe, Horace Burke, Wm. Cross, E. L. Sleeper, T. N. Seeno 1983-4-14 4061 Imperial 9 miles east of Glamis on Hwy 78, 1.8 miles west of Ogilby Road. 0 Comment
  RSA643206  Baileya pauciradiata Jon P. Rebman, A. Salywon, C. Christy 1998-3-22 4936 Imperial Southeast of El Centro; along Highway 98, ca. 1.4 miles southwest of Interstate 8 20 Comment
  RSA767481  Baileya pauciradiata J. Mark Porter, Orlando Mistretta, S. Hobbs 2002-3-2 13390 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.5 miles west-southwest of Ogilby, west of County road S34. 95 Comment
  SBBG29428  Baileya pauciradiata D. Myrick 1968-3-1 1791 Imperial base of Fish Crk Mtns, 15 mi S of Ocotillo Wells along Gypsum Mine railroad 30 Comment
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Mar 10 2014
  SD144061  Baileya pauciradiata G. K. Helmkamp, E. Helmkamp 1998-1-24 2573 Imperial Between Hwy I-8 & the All-American Canal across form the Brock Research Center (ca. 3 mi. E of the jct of Hwy CA-98 with Hwy I-8) 46 Comment
  UCD129507  Baileya pauciradiata Kenneth A. Wilson 1964-4-11 1321 Imperial Orita-Glamis Road, 3 miles east of East Highline Canal. Comment
  JEPS121512  Baileya pleniradiata Adam C. Schneider with Will Freyman 2014-2-16 376 Imperial Eastern edge of Algodones Dunes. Comment
  SD115620  Baileya pleniradiata Duffie Clemons, Erik Jonsson 1983-4-20 493 Imperial Three miles west of Glamis; Algadones Dunes. 89 Comment
  SD250432  Baileya pleniradiata Ellen Dean, Tom Starbuck, Margaret Starbuck, T. Zavortink 2010-4-9 5911 Imperial BLM Algodones Dunes Natural Area, E side of dunes accessed from 6.8 miles N of Hwy 78 along Kipf Road. In long finger of vegetation along wash that leads into dunes in a SW direction - longest finger of vegetation on the E side. 70 Comment
  UCR165595  Baileya pleniradiata Alex R. Van Dam 2005-4-19 s.n. Imperial Sonoran(Colorado) Desert, Algodones Dunes N of the Osborne Overlook and c. 50 m N of Hwy 78 122 Comment
  SEINET2048675 Image available Bebbia juncea Jon P. Rebman, Joan Dowd & Veronica Gallego 2000-4-19 6532 Imperial NW of El Centro, E side of Fish Creek Mountains, W of Salton Sea. Comment
  UCR99999  Bebbia juncea B. G. Pitzer 1997-10-18 3305 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
  CAS-BOT-BC106406  Bebbia juncea var. aspera E. A. McGregor 1917-3-17 769 Imperial Granite ridge west of Fig Tree Johns, Salton Sink Comment
  SD242680  Bebbia juncea var. aspera 1993-3-11 Imperial Shell Canyon Comment
  SD250436  Bebbia juncea var. aspera Aaron C. Sedgewick 2012-11-9 163 Imperial Mojave Desert; Southcentral Mojave Desert region; East of Midway Well and North of the Chocolate Mountains, on Midway Well Road. 259 Comment
  UC91014  Bebbia juncea var. aspera T. S. Brandegee 1901-3-30 Imperial near Boundary Line (Signal Mt., Colorado Desert); Colorado Desert, Signal Mt. Comment
  CDA2967  Beta macrocarpa G. D. Barbe 1974-2-27 1756 Imperial 1.6 km west of Imperial county airport. 0 Comment
  SD237408  Beta macrocarpa A. C. Sanders 2010-3-25 37607 Imperial Sonoran (Colorado) Desert; Salton Trough: Wister, Cedar Wash at Hwy 111, between the highway and railroad. -59 Comment
  UCD97694  Beta vulgaris subsp. maritima G. Douglas Barbe 1974-2-27 1756 Imperial Imperial. 1.6 km west of Imperial County airport. Comment
  SEINET3164672  Boechera perennans M. D. Windham 2005-2-27 3294 Imperial SW of Ocotillo in the Jacumba Mountains near Interstate 8 ca. 1.35 km ENE of Mountain Spring. 645 Comment
  UC1787771  Boechera xylopoda Jon P. Rebman 2001-3-14 7133 Imperial Jacumba Natural Area, In-Ko-Pah Mountains. 975 Comment
  SD250682  Boerhavia triquetra var. intermedia Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28805 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
  SD250764  Boerhavia triquetra var. intermedia Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28773 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
  UCR264778  Boerhavia triquetra var. intermedia Jon P. Rebman, J. LaGrange, Warren Schmidtmann 2014-9-24 28707 Imperial Sonoran (Colorado) Desert, northeast of the Algodonnes Dunes, along Ogilby Road (S34) between I-8 and Hwy 78, in wash just south of Indian Pass Road 190 Comment
  SD250686  Boerhavia wrightii Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-24 28710 Imperial Northeast of the Algodones Dunes: along Ogilby Road (S34) between I-8 & Hwy 78; in a wash just south of Indian Pass Road 189 Comment
  UC1191383  Boerhavia wrightii Malcolm A. Nobs and S. Galen Smith 1948-9-3 510 -B Imperial ca. 25 mi. s. Coachella (w. of Salton Sea, Imperial Valley); Imperial Valley Comment
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Mar 10 2011
  CAS-BOT-BC31339  Bolboschoenus maritimus C. B. Wolf 1931-3-12 1872 Imperial Colorado Desert, 7 mi NW of Westmorland. Comment
  CAS-BOT-BC31344  Bolboschoenus maritimus Samuel B. Parish 1913-2-8 8427 Imperial Travertine Terraces, Borders of Salton Sea, Salton Basin. -60 Comment
  UC164879  Bolboschoenus maritimus S. B. Parish 1912-6-30 8093 Imperial Meloland , Meloland (Imperial Valley) Comment
  SD125055  Bolboschoenus maritimus subsp. paludosus Steven P. McLaughlin 1985-5-31 3018 Imperial Silty flats along Colorado River. Quechan Indian Reservation. 36 Comment
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Aug 14 2015
  IRVC22909  Bouteloua aristidoides Fred M. Roberts, T. M. Burrows 1984-8-31 1397 Imperial S-2; 6.5km N by road of Ocotillo; ca. 18km SSW Carrizo Mtns. Sonoran desert 230 Comment
  SD211358  Bouteloua aristidoides Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18930 Imperial East 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, E of Ocotillo & W of El Centro; along desert flats just S of Hwy S80 10 Comment
  UCD56840  Bouteloua aristidoides Malcolm A. Nobs; S. Galen Smith 1948-9-3 509 Imperial About 25 miles south of Coachella. Playa west of Salton Sea. Comment
  CAS-BOT-BC483057  Bouteloua aristidoides var. aristidoides Sarah J. De Groot; Cheryl Sevilla 2014-9-11 7300 Imperial Along Hwy 78 S of Palo Verde, just N of MIthcells Camp Road, W of Davis Lake and Cibola National Wildlife Refuge. SE foot of Palo Verde Mountains, SE of Palo Verde Peak, N of Milpitas Wash 73 Comment
  SD142288  Bouteloua aristidoides var. aristidoides Jon P. Rebman, L. Renfro 1997-11-19 4762 Imperial Northwest of Yuma, east of Ogilby Road, along Indian Pass Road at Chemgold Company's Imperial Project. Comment
  SD250566  Bouteloua aristidoides var. aristidoides Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28791 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
  UCR115386  Bouteloua barbata 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
  UCR245103  Bouteloua barbata A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40368 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
  RSA643367  Bouteloua barbata var. barbata Jon P. Rebman, Adrienne Russell 1997-9-6 4202 Imperial West of Plaster City: along S-80, north of Interstate 8., 32 deg 54'N'', 115 deg 55'W''. 20 Comment
  UC1100211  Bouteloua barbata var. barbata Malcolm A. Nobs and S. Galen Smith 1948-9-3 508 Imperial dry playa w Salton Sea (about 25 mi s of Coachella); Imperial Valley Comment
  UC573618  Bouteloua barbata var. barbata H. S. Yates 1937-7-3 6810 Imperial 6 mi w Seeley; El Centro Quadrangle 30 Comment
  UC573776  Bouteloua barbata var. barbata H. S. Yates 1937-7-3 6810 Imperial 6 mi w Seeley; El Centro Quadrangle Comment
  RSA302742  Brandegea bigelovii R. F. Thorne 1977-11-25 50889 Imperial 15 miles N of Yuma along Picacho Rd. (perhaps Senator wash).15 miles N of Yuma along Picacho Rd. (perhaps Senator wash). 61 Comment
  SD181578  Brandegea bigelovii LeRoy Gross, V Arvizu, S DeGroot, L Rojas, T Thibault 2004-5-13 1281 Imperial Chocolate Mountains (Chocolate Mountain Aerial Gunnery Range), north of Lion Head Mountain, near Beal Well. Surrounding desert off Beal Road. Growing in sandy wash up through other shrubs. 399 Comment
  SD250648  Brandegea bigelovii Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28759 Imperial Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 132 Comment
  SD250650  Brandegea bigelovii Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28804 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
  SEINET13311956  Brandegea bigelovii A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-21 41949 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range. 412 Comment
  UCR102670  Brandegea bigelovii B. G. Pitzer 1998-2-1 3468 Imperial Sonoran (Colorado) Desert, Milpitas Wash, c. 0.2 mi south of Walter's Camp Road, 1.0-1.5 mi west of Hwy 78 91 Comment
  UCR266566  Brandegea bigelovii A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41906 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
  UCR267899  Brandegea bigelovii Jim Andre 2013-3-4 23845 Imperial Sonoran (Colorado) Desert, Along Hwy 78, south of Palo Verde Mountains at Milpitas Wash 216 Comment
  UCR269680  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-17 42308 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, old Niland-Blythe Rd. between Beal Well and Surveyors Pass, c. 1 mile SW of Surveyors Pass 599 Comment
  SD128663  Brassica tournefortii Darley F. Howe 1980-4-14 Imperial 19 miles east of Brawley, on Highway 78. (IPB 10/07) Comment
  SD155813  Brassica tournefortii Jon P. Rebman 2001-3-14 7137 Imperial Jacumba Natural Area, In-Ko-Pah Mountains. 975 Comment
  SD191865  Brassica tournefortii Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14599 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), in Big Wash, Site PECHET in arroyo bottom and surrounding embankments 14 Comment
  SD199943  Brassica tournefortii Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16192 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
  SD200379  Brassica tournefortii Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16778 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
  SD211392  Brassica tournefortii Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18882 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
  SD220662  Brassica tournefortii Melvin Sweet 2008-2-9 502 Imperial Anza-Borrego Desert State Park, Calcite Mine area; from Hwy S22, about 9 miles west of Hwy 86, take the Calcite Mine Jeep Road 0.1 mile to the South fork of Palm Wash and follow it about 1.5 miles east. 117 Comment
  SD243860  Brassica tournefortii Donald Hazlett 1993-3-13 6771 Imperial 2 mi S of Ocotillo Just N of WA Comment
  UCR165443  Brassica tournefortii John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 13 and 14, c. 3.5 miles NE of Wister 27 Comment
  UCR212902  Brassica tournefortii A. C. Sanders 2010-2-20 37306 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Bard Valley, Ross Rd. at drainage ditch crossing, west of Bard between Ross Corner and Picacho Rd. 40 Comment
  UCR260291  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-6 41297 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 326 Comment
  UCR279445  Brassica tournefortii A. C. Sanders, Jim Malusa 2017-3-26 43073 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Rock Quarry in sec. 8, north of Frink, along dirt road above Siphon 17 of the Coachella Canal 122 Comment
  CAS-BOT-BC423291  Brassicaceae L. Nye; G. Gust 2005-3-5 6 Imperial Off S2, ca. 6 miles NW of Ocotillo. 281 Comment
  SEINET3241810  Brickellia arguta var. odontolepis Jon Rebman, Joan Dowd & Veronica Gallego 2000-1 6523 Imperial Mountain Springs Grade near I-8 exit. Comment
  UC1790258  Brickellia atractyloides Jon Rebman 2003-5-10 8964 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  RSA44324  Bromus catharticus L. G. Goar 1939-7-3 s.n. Imperial El Centro, Imperial Valley Field Station. Comment
  UCR260200  Caesalpinia virgata Duncan S. Bell, Amanda Bell 2011-1-29 2014 Imperial Sonoran (Colorado) Desert, Superstition Mountains, southeast section of range, c. 12 mi south of the Salton Sea 127 Comment
  UCR41582  Caesalpinia virgata A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6203 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  SD124696  Calandrinia ambigua A. C. Sanders 1986-3-9 6220 Imperial Yuha Desert, 0.7 miles N of S-80 on Painted Gorge Road, 4 mi. (airline) NE of Ocotillo, S of Coyote Wash 75 Comment
  SD192027  Calandrinia ambigua Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14482 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site LARTRI in arroyo bottom and surrounding embankments -31 Comment
  SD192028  Calandrinia ambigua Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14457 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  SD200197  Calandrinia ambigua Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16465 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
  SD200198  Calandrinia ambigua Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16188 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
  SD200202  Calandrinia ambigua Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16557 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
  UCR212593  Calandrinia ambigua Jon P. Rebman, Guy L. Fleming, Warren Schmidtmann, Gary Erbeck 2009-3-9 16188 Imperial Colorado (Sonoran) Desert, Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, west of Hwy 86, Section 20 (SL20), Palm Wash, Site BRATOU in sandy arroyo bottom and surrounding mud embankments. 45 Comment
  CLARK-A1528-461  Calliandra eriophylla Frank C. Vasek 1964-4-12 640412-1 Imperial Comment
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Aug 28 2016
  HSC101430  Calliandra eriophylla Jim Andre 2013-3-4 24103 Imperial Cargo Muchacho Mountains; west side of range, along Ogilby Rd, approx 8.4 mi. north of Jct Interstate 8 166 Comment
  HSC14613  Calliandra eriophylla C. L. Hitchcock 1966-3-20 24300 Imperial 15 mi. N of Ogilby, along road to Blythe. Comment
  RSA643389  Calliandra eriophylla J. P. Rebman 1998-3-22 4946 Imperial Northwest of Yuma, AZ; north end of Cargo Muchacho Mountains, south of Indian Pass Road and ca. 1 mile east of Ogilby Road 240 Comment
  SD260246  Calliandra eriophylla A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42074 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, upper Mammoth Wash, below slot canyon (Mammoth Wash 7.5'Q) 438 Comment
  SDSU7739  Calliandra eriophylla D. F. Howe 1964-4-12 3760 Imperial 4.2 miles north of Ogilby. Comment
  SEINET902096  Calliandra eriophylla Ed LaRue 1991-1 91 -32 Imperial 6 mi. N of Cargo Muchacho Mts, 7-8 mi. N of Hedges. In and adjacent to Indian Wash. 244 Comment
  UCR237624  Calliandra eriophylla Amber Swanson, Duncan S. Bell 2011-3-7 181 Imperial Sonoran (Colorado) Desert, off Imperial Gables Road c. 1.3 mi east of Hwy 78 370 Comment
  RSA776097  Calliandra eriophylla Amber Swanson, Duncan S. Bell 2011-3-8 185 Imperial W of 4WD drive rd-587 from 749 off Lowe Rd near Imperial Gables E of Hwy 78, near the Chocolate Mtns 326 Comment
  HSC5224  Calycoseris wrightii C. L. Hitchcock, C. V. Muhlick 1964-3-19 23150 Imperial 8 mi. S of Ocotillo Spring on road to Fish Creek Comment
  RSA48435  Calycoseris wrightii E. K. Balls 1949-4-3 12920 Imperial Colorado Desert. Chocolate Mountains, open slopes 8 miles along road from Niland to Blythe. Lower slopes of mountains. 152 Comment
  SBBG66307  Calycoseris wrightii E. Rockwell, M. N. Ackley -May-1927 162 Imperial Mammoth Wash Comment
  SD200311  Calycoseris wrightii Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16576 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
  UCD129990  Calycoseris wrightii E. K. Balls; P. C. Everett 1958-3-20 22934 Imperial 22.4 mi. nw. of Ogilby on road to Blythe. 365 Comment
  UCR3312  Calycoseris wrightii Scott Fowler 1964-3-23 640323- 8 Imperial Sonoran (Colorado) Desert, Salton City, along Hwy 99 [=Hwy 86] -30 Comment
  SD140378  Calyptridium monandrum Jon P. Rebman, M. Howe 1997-4-5 3899 Imperial Jacumba Natural Area, east of Jacumba, In-Ko-Pah Mountains, region near Valley of the Moon. (IPB 10/07) 900 Comment
  UCR245066  Calyptridium monandrum Jon P. Rebman, Melanie Howe 1997-4-5 3899 Imperial Sonoran Desert, Jacumba Natural Area: east of Jacumba: Inkopah Mtns: region near Valley of the Moon 900 Comment
  UCR85135  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16065 Imperial Sonoran (Colorado) Desert, Salton Sink, foothills of Santa Rosa Mtns, rocky slopes SE of VABM Oasis, c. 1 mi NNW of Coolidge Springs 25 Comment
  RSA465952  Camissonia boothii subsp. condensata M. B. Dunkle 1932-3-26 4906 Imperial Kane Springs, east of Salton Sea. 305 Comment
  RSA696652  Camissonia boothii subsp. condensata LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1315 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). West of Lion Head Mountain, Surrounding desert off of Beal Road. 174 Comment
  RSA0021237  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11488 Imperial Colorado Desert, on cracked silty roadside flat, 3.5 miles south of Bombay Beach. Comment
  SEINET13186716 Image available Camissonia brevipes subsp. brevipes M. D. Windham 1998-3-30 98 -069 Imperial East of Plaster City, along road to El Centro ca. 3.76 kilometers west of bridge on Westside Main Canal. C.D.O.T. Plaster City Quad (7 1/2 min.). 2 Comment
  SJSU10933  Camissonia brevipes subsp. brevipes R. L. MacDonald 1962-4-19 Imperial Kane Springs, Hwy 99 Comment
  UCR41893  Camissonia californica A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6194 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  POM184857  Camissonia cardiophylla P. A. Munz, C. L. Hitchcock 1932-4-6 12176 Imperial Chocolate Mountains, Colorado Desert. Above 4S Ranch, NE of Ogilby Comment
  UCR103629  Camissonia cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-3-19 2920 Imperial Sonoran (Colorado) Desert, Imperial Dam area, just south of the dam on Hwy S-24. 76 Comment
  SEINET235605  Camissonia cardiophylla subsp. cardiophylla Russell S. Woglum 1940-3-10 2456 Imperial Sonoran Desert: Imperial Ssand Dunes Recreation Lands Ogilby. Comment
  SEINET3131239  Camissonia cardiophylla subsp. cardiophylla R. W. Spellenberg, N. Zucker 2000-3-29 13049 Imperial On CA Hwy 74 SW of Palm Desert, 10 km SW of junction with CA Hwy 111 490 Comment
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Oct 9 2013
  SEINET8003858  Camissonia cardiophylla subsp. cardiophylla Jon P. Rebman 2000-4-19 6539 Imperial NW of El Centro, E side of Fish Creek Mountains, W of Salton Sea Comment
  UCR100949  Camissonia claviformis B. G. Pitzer 1998-2-2 3483 Imperial Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes 61 Comment
  UCR101716  Camissonia claviformis B. G. Pitzer 1998-2-2 3523 Imperial Sonoran (Colorado) Desert, Indian ['Tumco'] Wash, where powerline crosses Ogilby Road 198 Comment
  POM156080  Camissonia claviformis subsp. aurantiaca L. R. Abrams 1903-4-5 3199 Imperial Old Beach, Colorado desert. Comment
  RSA135562  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-26 11493 Imperial On dunes 3.6 miles west of Winterhaven. Comment
  RSA26831  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1941-3-24 9607 Imperial Sandy desert wash 6 miles northeast of Niland, on road to Beal Well. Comment
  GMDRC4142  Camissonia claviformis subsp. peirsonii J. Andre, T. La Doux 2010-3-1 12519 Imperial Borrego Desert region: southeastern Coyote Mtns, along Painted Gorge Rd, approx 5 mi. NE of town of Ocotillo, 4 mi. N. of Interstate 8 68 Comment
  RSA135522  Camissonia claviformis subsp. peirsonii Peter H. Raven 1958-2-5 11528 Imperial Along road 0.8 miles east of San Diego County line, State Highway 78. Comment
  RSA135527  Camissonia claviformis subsp. peirsonii William M. Klein 1958-2-12 53 Imperial 20.2 mi. so. of the Riverside-Imperial co. line on U.S. 99 [Hwy 86] to Brawley. Comment
  RSA448952  Camissonia claviformis subsp. peirsonii Jack Rempel 1933-2-24 16979 Imperial Colorado Desert. 5 miles N of Kane Springs. Comment
  RSA72241  Camissonia claviformis subsp. peirsonii F. W. Peirson 1927-4-14 7181 Imperial Canyon near east end of Santa Rosa Mountains, 8 miles from Imperial Valley Boulevard. Comment
  UCR103669  Camissonia claviformis subsp. peirsonii George K. Helmkamp, E. Helmkamp 1998-1-23 2564 Imperial Sonoran (Colorado) Desert, On the W side of Hwy 86, 18.8 mi. NW of Westmorland -30 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
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Feb 11 2011
  UCR100860  Camissonia claviformis subsp. yumae George K. Helmkamp, E. A. Helmkamp 1998-3-18 2868 Imperial Sonoran (Colorado) Desert, between Hwy I-8 & the All-American Canal across from the Brock Research Center (c. 3 mi. east of the junction of Hwy Calif Hwy 98 with I-8) 46 Comment
  RSA0020750  Camissonia claviformis subsp. yumae Peter H. Raven 1958-1-25 11492 Imperial 7.6 miles east of Holtville. Comment
  RSA787779  Camissonia pallida Duncan S. Bell 2012-3-23 3245 Imperial The Jacumba mountains; collecting in Boulder Creek approximately 3 miles north of the U.S./Mexico border. 582 Comment
  HSC16537  Camissonia refracta C. L. Hitchcock, C. V. Muhlick 1964-3-21 23231 Imperial 15 mi. N of Glamis on road to Blythe Comment
  SEINET3093422 Image available Camissonia refracta George K. Helmkamp, E. A. Helmkamp 1998-3-19 2951 Imperial Colorado Desert: Little Picacho Wash along Picacho Rd. 2.5 mi. S of Picacho State Recreation Area. 152 Comment
  UCR100956  Camissonia refracta B. G. Pitzer 1998-2-1 3462 Imperial Sonoran (Colorado) Desert, Milpitas Wash, c. 0.2 mi south of Walter's Camp Road, 1.0-1.5 mi west of Hwy 78 91 Comment
  RSA5141  Carnegiea gigantea C. B. Wolf 1931-3-14 1883 Imperial Imperial Valley, 5 miles above Laguna Dam. 152 Comment
  UCSB18788  Carthamus tinctorius J. R. Haller 1964-4-5 Imperial collected 23.0 mi NW, along U S Highway 99 at th junction of State Highway 78. Brawley - U S Highway 99, State Highway 78 and Brawley 45 Comment
  CAS-BOT-BC47719  Castela emoryi Eva M. Wilson 1956-6-16 s.n. Imperial Yuha cut-off ca. 11.5 mi. W of Signal Mt. P. O. between the P. O. and Coyote Wells Comment
  CLARK-A1528-5745  Castela emoryi John C. Roos 1939-6-11 Imperial 91 Comment
  SBBG87608  Castela emoryi A. C. Sanders with Charlton, Wright, Pitzer 1986-3-10 6264 Imperial Crucifixion Thorn Preserve, 7.9 mi E of Hwy jct at Ocotillo on Hwy 98, 0.4 mi W of Coyote Rd 106 Comment
  SDSU11058  Castela emoryi Michael G. Simpson, Linda Foster 1990-1-24 24 I90A Imperial Crucifixion Thorns Imperial County Restoration Area. Near Hwy 98 at junction with Coyote 2 Road, 7.5 miles SE of junction of Highways S2 and 98. 122 Comment
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Jun 26 2014
  UCR19227  Castela emoryi John C. Roos 1959-6-11 s.n. Imperial Coyote Wells, 6 mi. SE of Coyote wells along Hwy 98 Comment
  UCR41579  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6264 Imperial Sonoran (Colorado) Desert, Crucifixion Thorn Preserve, 7.9 mi east of Hwy junction at Ocotillo on Hwy 98, and 0.4 mi west of Coyote Road 107 Comment
  CHSC1808  Castilleja attenuata L. Oliver; D. Sloan 1935-4-16 Imperial So. Calif. mountains. Comment
  SEINET10389794  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2015-3-8 41349 Imperial mouth of Salvation Pass in the Chocolate Mountains, western foot of the range, US Navy Chocolate Mountains Aerial Gunnery Range 274 Comment
  SJSU9890  Caulanthus lasiophyllus L. F. Lamon 1967-1-31 Imperial Salton City on Hwy 86 (99) 0 Comment
  UCR249704  Caulanthus lasiophyllus T. B. Salvato, Tim Thomas 2013-3-6 7268 A Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 2 km south of Rainey Well 511 Comment
  UCR260224  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2015-3-5 41265 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, edge of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 366 Comment
  UCR269569  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2016-3-8 42158 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, near E.O.D. Camp Burt, eastern edge of Chocolate Mtns. Aerial Gunnery Range, wash crossing Skyline Dr., 0.45 km north of Dietz Rd. 320 Comment
  CAS-BOT-BC48471  Ceanothus cuneatus E. A. McGregor 1917-6-10 894 Imperial Live Oak Springs, Laguna Mts. Comment
  CAS-BOT-BC184978  Cenchrus echinatus T. C. Fuller 1962-10-17 9789 Imperial Road to Laguna Dam, 0.9 mile northeast of Bard. Comment
  CDA155  Cenchrus echinatus Henson 1928-10-2 Imperial Colorado River Valley; Bard. 0 Comment
  CDA1873  Cenchrus echinatus T. C. Fuller 1958-9-24 2368 Imperial West side Colorado River, 0.1 mile below Imperial Dam. 0 Comment
  POM199344  Cenchrus echinatus Donald A. Johansen, Joseph A. Ewan 1932-4-13 7119 Imperial Laguna Dam on the Colorado River. Comment
  SD139727  Cenchrus spinifex Jon P. Rebman, Maggie Loy 1996-10-26 3724 Imperial South of Seeley, east of Fig Lagoon, along the New River. 20 Comment
  POM29668  Cercidium floridum Marcus E. Jones 1906-4-25 s.n Imperial West of Yuma. Comment
  SEINET4557630  Cercocarpus betuloides var. betuloides Jon P. Rebman, Mike Simpson 1997-1 4143 Imperial Jacumba Wilderness Area: In Koh-Pah Mountains; Smuggler's Cave area south of Mountain Spring; along US/Mexican border. Comment
  SEINET5584822  Chaenactis Stephen Hale 2010-1 Imperial Rolling terrain just north of northern foothills of the Paloverde Mountains at southern end of Paloverde Mesa neas the WAPA Blyhte-Knob transmission line. 30 Comment
  UCR165468  Chaenactis carphoclinia John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 15 and 16, c. 2 miles NE of Frink and c. 10 miles east of Bertram 23 Comment
  JEPS81748  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi and Paul Hutchison 1958-2-18 6175 Imperial 5.5 mi s Palo Verde settlement (ne base of mts.); Palo Verde Mts. 121 Comment
  RSA336153  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1978-4-29 52117 Imperial West of Chocolate Mountains, ca. 1 mile east of Coachella Canal and west of Melson Well. Comment
  SD190599  Chaenactis carphoclinia var. carphoclinia Larry Hendrickson, Jon Rebman. 2005-4-15 3146 Imperial Picacho State Recreation Area, adjacent to maintenance yard. 71 Comment
  SD27693  Chaenactis carphoclinia var. carphoclinia Allan Keller 1940-3-16 207 Imperial Painted Gorge. Comment
  SD191783  Chaenactis carphoclinia var. peirsonii Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14570 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
  SD191785  Chaenactis carphoclinia var. peirsonii Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14447 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  SD200314  Chaenactis carphoclinia var. peirsonii Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16827 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Big Wash, Site ERIINF in sandy arroyo and surrounding cobbly mesas -14 Comment
  SD162642  Chaenactis fremontii Jon Rebman, Mark Miller 2003-5-10 8983 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  UC1790193  Chaenactis fremontii Jon Rebman 2003-5-10 8983 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  UCR155768  Chaenactis fremontii Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7238 Imperial Peninsular Range/Sonoran (Colorado) Desert, In-Ko-Pa Mtns, Jacumba Natural Area, at top of grade along the road to Valley of the Moon, just east of the microwave towers 1200 Comment
  SD128739  Chaenactis stevioides Darley F. Howe 1980-4-14 Imperial 19 miles east of Brawley on Highway 78 near sand dunes. Comment
  SD49306  Chaenactis stevioides Reid Moran 1958-3-5 6522 Imperial Pinto Wash. 74 Comment
  UCR269634  Chaenactis stevioides A. C. Sanders, Jim Malusa 2016-3-7 42135 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  UCR279098  Chaenactis stevioides A. C. Sanders, Jim Malusa 2017-3-11 42810 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Niland to Pegleg Well Rd., 18.25 km east (92 deg. ) of Niland 198 Comment
  SEINET10798247  Chaenactis stevioides Noel H. Holmgren, Patricia K. Holmgren 1974-3-29 Holmgren 7541 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo. 274 Comment
  RSA264074  Chaenactis stevioides var. stevioides Noel Holmgren 1974-3-29 7541 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo. 274 Comment
  JEPS51908  Chamaesyce abramsiana S. B. Parish 1912-10-16 8305 Imperial on street Brawley; Salton Basin -35 Comment
  JEPS51878  Chamaesyce albomarginata W. L. Jepson 1927-4-15 11734 Imperial Fort Yuma 30 Comment
  HSC38712  Chamaesyce melanadenia A. M. Montalvo, J. D. Ackerman 1973-3-27 163 Imperial 1 mi. W of 1000 ft. marker, Hwy. 8 305 Comment
  RSA765406  Chamaesyce melanadenia J. Andre, T. La Doux 2010-3-1 12522 Imperial Borrego Desert region; southeastern Coyote Mtns, along Painted Gorge Rd, approx 5 mi. NE of town of Ocotillo, 4 mi. N. of Interstate 8. 68 Comment
  RSA787781  Chamaesyce melanadenia Duncan S. Bell 2012-3-23 3243 Imperial The Jacumba mountains; collecting in Boulder Creek approximately 3 miles north of the U.S./Mexico border. 582 Comment
  JEPS89275  Chamaesyce pediculifera Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-20 8330 A Imperial 4.5 mi s Picacho ((which is on the Colorado River nw of Yuma), in gravel of wash in Box Canyon); Colorado River, Box Canyon 152 Comment
  RSA0060371  Chamaesyce pediculifera Duncan S. Bell 2012-3-23 3269 Imperial Jacumba Mountains; eastern base of range; Palm Canyon Wash, approximately 3 air miles southeast of Dos Cabezas, and about 0.8 air mile east of the San Diego/Imperial county boarder. 344 Comment
  RSA70379  Chamaesyce pediculifera F. W. Peirson 1932-3-22 9796 Imperial Midway Well 152 Comment
  UC605006  Chamaesyce pediculifera Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9624 Imperial Painted Gorge, upper end Carisso Mountains Comment
  RSA776698  Chamaesyce pediculifera Amber Swanson, Duncan S. Bell 2011-2-25 169 Imperial Coyote Mtns, cyn W of Shell Cyn at top of ridge. 259 Comment
  CDA35264  Chamaesyce polycarpa J. Chesi 1988-11-17 s.n. Imperial Winterhaven Border Station. 0 Comment
  JEPS22530  Chamaesyce polycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-18 6180 Imperial 9.5 mi sw Palo Verde settlement (slope above and e of summit of Ogilby-Blythe Rd); Palo Verde Mtns 259 Comment
  JEPS52392  Chamaesyce polycarpa S. B. Parish 1912-10-18 8308 Imperial Salton Basin, Dixieland -15 Comment
  RSA0027767  Chamaesyce polycarpa J. Andre 2013-3-4 24096 Imperial Cargo Muchacho Mtns: west side of range, along Ogilby Rd, approx. 8.4 mi north of Jct Interstate 8. 166 Comment
  SEINET3411054 Image available Chamaesyce polycarpa Lewis S. Rose 1938-2-4 s.n. Imperial Plaster City. 0 Comment
  POM122544  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1924-2-28 s.n. Imperial Imperial Valley Comment
  RSA432490A  Chamaesyce polycarpa var. hirtella H. de Forest, Jack Rempel 1933-4-9 17727 Imperial Supersition Mountains, Colorado Desert. Comment
  JEPS89176  Chamaesyce setiloba Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-20 8330 Imperial 4.5 mi s' (<Pichaco> on Colorado River nw of Yuma) Pichaco; Box Canyon 152 Comment
  RSA70393  Chamaesyce setiloba E. C. Jaeger 1921-3-13 5450 Imperial Dos Palms, Salton Wash, Colorado Desert Comment
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Aug 29 2016
  RSA760082  Chamaesyce setiloba J. Andre, T. La Doux 2009-2-26 9878 Imperial Palo Verde Mountains: along major power line corridor (Palo Verde Road) that runs north-south through mountains. About 1 mile south of pass. 182 Comment
  UC1192286  Chamaesyce setiloba Malcolm A. Nobs and S. Galen Smith 1948-9-3 506 Imperial 25 mi w Coachella (w of Salton Sea) Comment
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Mar 10 2011
  RSA787629  Cheilanthes covillei Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3484 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  UCR148686  Cheilanthes covillei Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6509 Imperial Colorado Desert, Mountain Springs Grade near I-8 exit Comment
  UCR260264  Cheilanthes parryi A. C. Sanders, Jim Malusa 2015-3-6 41286 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
  UCR266772  Cheilanthes parryi A. C. Sanders, Jim Malusa 2016-1-23 41987 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, head of canyon north of old Niland to Blythe road, 1.5 miles WNW of Beal Well 515 Comment
  CAS-BOT-BC70367  Cheilanthes viscida C. B. Wolf 1931-3-14 1897 Imperial at base of Mountain Springs grade, west side of Colorado Desert 182 Comment
  HSC1014  Cheilanthes viscida H. E. Parks 1932-1-20 1085 Imperial Entrance to Carriso Gorge Comment
  CAS-BOT-BC178654  Chenopodiaceae B. Trowbridge 1979-4-15 6090 Imperial Base of Red Hill, Salton Sea northwest of Calipatia Comment
  UCR212931  Chenopodium album A. C. Sanders 2010-2-20 37308 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Bard Valley, Ross Rd. at drainage ditch crossing, west of Bard between Ross Corner and Picacho Rd. 40 Comment
  RSA423290  Chenopodium album Edwin Kline 1920-5-14 s.n. Imperial [no locality information provided] Comment
  SEINET3090365 Image available Chenopodium berlandieri var. sinuatum N. H. Holmgren, Patricia K. Holmgren 1973-3-29 6561 Imperial Chocolate Mountains, Picacho Road, 6.7 miles South of Picacho. 15.5 air-line miles North of Yuma 244 Comment
  RSA478579  Chenopodium leptophyllum Edwin Kline 1920-9-2 s.n. Imperial [Unspecified] Comment
  CDA18547  Chenopodium murale Frank B. McMurry 1943-1 1343 Imperial Sonoran Desert; Imperial National Wildlife Refuge. 0 Comment
  RSA423257  Chenopodium murale H. de Forest, Jack Rempel 1933-4-10 18306 Imperial Between Highway 80 & Ogilby. Comment
  SBBG87667  Chenopodium murale A. C. Sanders 1986-3-9 6241 b Imperial Painted Gorge, 5.1 mi N of S-80 on Painted Gorge Rd, ca. 5 mi NE of Ocotillo 152 Comment
  SD254596  Chenopodium murale A. C. Sanders, Jim Malusa 2015-3-6 41304 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, lower part of north fork of Salvation Wash, Chocolate Mountains Aerial Gunnery Range (Lion Head Mountain 7.5'Q) 326 Comment
  UCD98312  Chenopodium murale Lyster H. Dewey 1916-4-5 s.n. Imperial Yuma Experiment Farm, Bard. Comment
  UCR165635  Chenopodium murale John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 15 and 16, c. 2 miles NE of Frink and c. 10 miles east of Bertram 23 Comment
  CAS-BOT-BC231763  Chilopsis linearis H. E. Parks 1932-1-20 01093 Imperial Carriso Gorge Comment
  HSC82768  Chilopsis linearis Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-28 7747 Imperial Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal. 41 Comment
  RSA658632  Chilopsis linearis Craig Matkin 1971-4-16 51 Imperial Collected in Colorado desert 17 mi. south of Palo Verde. In center of dry wash. 91 Comment
  UCR115398  Chilopsis linearis 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
  UCR26794  Chilopsis linearis L. F. LaPre, D. Hogan 1982-5-19 s.n. Imperial Sonoran (Colorado) Desert, Algodones Dunes, 1.5 mi west of the junction of Interstate Hwy 8 with Ogilby Road. From the route of SD6 and E interconnection transmission line Comment
  SD255116  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Cheryl Sevilla 2014-10-8 7341 Imperial Along Milpitas Wash Road about 3.1 road miles west of Highway 78, about 4.1 air miles southwest of Palo Verde Peak. South end of the Palo Verde Mountains. North edge of Milpitas Wash. 163 Comment
  UCR108016  Chilopsis linearis subsp. arcuata Jon P. Rebman, Maggie Loy 1996-10-27 3763 Imperial Sonoran (Colorado) Desert, Algodones Dunes, north of Glamis. 60 Comment
  CAS-BOT-BC166233  Chloracantha spinosa C. B. Wolf 1931-5-28 2174 Imperial 5 miles east of El Centro on the road to Holtville Comment
  CAS-BOT-BC166234  Chloracantha spinosa Malcom A. Nobs; S. Galen Smith 1948-9-3 516 Imperial Imperial State Game Refuge, 4 miles south of Calipatria. Imperial Valley Comment
  RSA1591  Chloracantha spinosa C. B. Wolf 1931-5-28 2174 Imperial 5 mi E of El Centro on the road to Holtville. Comment
  UCR54261  Chloracantha spinosa A. C. Sanders 1988-11-6 8742 Imperial Sonoran (Colorado) Desert, Imperial Valley between Brawley & Westmorland, east side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing, 1.6 mi. NW of New River crossing at Brawley -34 Comment
  CAS-BOT-BC166232  Chloracantha spinosa var. spinosa W. G. Watkins 1939-6-1 s.n. Imperial Imperial Valley Comment
  UC217247  Chloracantha spinosa var. spinosa H. M. Hall 1920-9-30 11206 Imperial near Bard (Colorado River bottoms); Colorado River Comment
  RSA607328  Chorizanthe R. S. Woglum 1939-4-14 2252 Imperial Sonoran Desert: Niland-Blythe Road, near Beal's Well; south end of Chocolate Mountains. Comment
  CAS-BOT-BC179023  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9607 Imperial Slopes of wash, upper end of Painted Gorge, Carisso Mts. Comment
  CAS-BOT-BC179028  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1968-3-12 25447 Imperial 5 miles NW of Coyote Wells Comment
  RSA695896  Chorizanthe brevicornu var. brevicornu LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1245 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  SD200152  Chorizanthe brevicornu var. brevicornu Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16164 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
  SD200156  Chorizanthe brevicornu var. brevicornu Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16421 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
  SD49297  Chorizanthe brevicornu var. brevicornu Reid Moran 1958-3-5 6525 Imperial Sandy soil, Pinto Wash. (IPB 10/07) 74 Comment
  JEPS22152  Chorizanthe corrugata Rimo Bacigalupi with Paul Hutchison 1958-2-18 6156 Imperial 4.5 mi s Palo Verde settlement (in arroyo running eastward into Laguna Palo Verde, at northeastern base Palo Verde Mountains); northeastern base Palo Verde Mountains 88 Comment
  RSA65191  Chorizanthe corrugata F. W. Peirson 1932-3-22 9795 Imperial Midway Well. 152 Comment
  SD200491  Chorizanthe corrugata Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16549 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
  UC669295  Chorizanthe corrugata Annie M. Alexander and Louise Kellogg 1941-3-18 1961 Imperial 3 mi sw Imperial Dam (Colorado Desert); Colorado Desert 45 Comment
  UCR18520  Chorizanthe corrugata George K. Helmkamp 1975-3-24 s.n. Imperial Sonoran (Colorado) Desert, 8 miles east [on Ben Hulse Hwy/ Hwy 78] of Glamis 235 Comment
  RSA124366  Chorizanthe rigida E. K. Balls, Percy C. Everett 1958-3-20 22897 Imperial 0.5 miles along road to Blythe from Hwy 80. 61 Comment
  SD73538  Chorizanthe rigida Helen V. Witham 1970-3-1 713 Imperial Lower Pinto Wash, near Mexican border 299 Comment
  UC1287090  Chorizanthe rigida C. L. Hitchcock 1966-3-18 24269 Imperial 6 mi w Plaster City (w Imperial County); w of Plaster City Comment
  SD262320  Chylismia arenaria Mitch Provance 2008-3-15 10098 Imperial Chocolate Mountains Region: E side of Hwy 78, about 7 milse NNE of intersection with Ogolby Rd., 2 miles N of Buzzares Peak, c. 2.5 miles NNE of the border checkpoint (Buzzards Peak 7.5'Q) 292 Comment
  UC2030017  Chylismia brevipes LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1284 Imperial Colorado Desert; Chocolate-Chuckwalla Moutains region: Chocolate Mountains (Chocolate Mountain Aerial Gunnery Range). North of Lion Head Mountain, near Beal Well. Surrounding desert off of Beal Road. Comment
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Jan 30 2018
  UCD83526  Chylismia brevipes Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5867 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
  SD143810  Chylismia brevipes subsp. arizonica G. K. Helmkamp, E. A. Helmkamp 1998-3-19 2940 Imperial Colorado Desert, Imperial Dam area, along Ferguson Road, 1.5 miles north of Highway S-24. 91 Comment
  UC669264  Chylismia brevipes subsp. arizonica Annie M. Alexander and Louise Kellogg 1941-3-16 1949 Imperial 22 mi n Ogilby (swale of hills, w side of rd); Colorado Desert 350 Comment
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Feb 2 2018
  UC1184326  Chylismia cardiophylla subsp. cardiophylla Peter H. Raven 1958-1-26 11504 Imperial flood plain 2.2 mi n Ogilby Comment
  UC54917  Chylismia cardiophylla subsp. cardiophylla Jos. Burtt Davy 1902-3-29 8003 Imperial Calexico Comment
  OBI8358  Chylismia claviformis David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12047 Imperial 2 mi W of jctn with Calif 86 along Calif 78 30 Comment
  UCR269572  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-8 42155 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, near E.O.D. Camp Burt, eastern edge of Chocolate Mtns. Aerial Gunnery Range, wash crossing Skyline Dr., 0.45 km north of Dietz Rd. 320 Comment
  UCSB69241  Chylismia claviformis UCSB Botanical Society 1979-3-3 Imperial near campground; 2 miles east of S2 on Shell Canyon Road Comment
  UC495330  Chylismia claviformis subsp. aurantiaca Philip A. Munz and C. L. Hitchcock 1932-4-5 12137 Imperial 2 mi n Cargo Muchaco Mountains Comment
  UC669248  Chylismia claviformis subsp. aurantiaca Annie M. Alexander and Louise Kellogg 1941-3-16 1952 Imperial 17 mi n Ogilby (wash along rd); Colorado Desert 246 Comment
  CAS-BOT-BC160719  Chylismia claviformis subsp. peirsonii T. J. Crovello 1963-12-15 274 Imperial 4.6 miles northeast of junction with U.S. 80, on county road S2. Southern Colorado Desert Comment
  CAS-BOT-BC160725  Chylismia claviformis subsp. peirsonii Ira L. Wiggins 1957-3-24 14022 Imperial Two miles west of Plaster City (along Highway 80) Comment
  JEPS23415  Chylismia claviformis subsp. peirsonii W. S. Childs 1847-3-28 Imperial Brawley Comment
  JEPS23481  Chylismia claviformis subsp. peirsonii Marjorie D. Clary 1933-2-19 2053 Imperial Seaview Rd to Salton Sea (sand dunes near sw end of Salton Sea); SW Colorado Desert Comment
  SD11263  Chylismia claviformis subsp. peirsonii Frank F. Gander 1935-4-17 180 5 Imperial Carriso Creek. Comment
  SD143806  Chylismia claviformis subsp. peirsonii G. K. Helmkamp, E. Helmkamp 1998-1-23 2564 Imperial 18.8 miles northwest of Westmoreland. -29 Comment
  SD191966  Chylismia claviformis subsp. peirsonii Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14474 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site LARTRI in arroyo bottom and surrounding embankments -31 Comment
  SD200104  Chylismia claviformis subsp. peirsonii Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16091 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 1 mile W of Hwy. 86; Section 14 (SL14), Palm Wash, Site ABRVIL in sandy arroyo bottom and surrounding mud embankments -35 Comment
  SD258446  Chylismia claviformis subsp. peirsonii J. M. Andre 2013-3-3 23943 Imperial Yuha Desert, along dirt road 2.2 miles SW of town of Ocotillo, about 1.5 miles S of I-8. In-ko-pah Gorge 7.5'Q) 164 Comment
  UC1183577  Chylismia claviformis subsp. peirsonii W. M. Klein 1958-2-12 53 Imperial 20.2 mi s Riverside-Imperial Co. line (on US 99 to Brawley) Comment
  UCD103968  Chylismia claviformis subsp. peirsonii G. L. Webster; S. Lynch 1973-3-18 7574 Imperial 2.3 miles N of Ocotillo. 152 Comment
  UCR278773  Chylismia claviformis subsp. peirsonii Onkar Singh, B. Huttar 2015-3-17 5113 Imperial Sonoran (Colorado) Desert, c. 24 km NW of Westmorland, 10 m south of Hwy 78, 400 m west of Hwy 86 -74 Comment
  CAS-BOT-BC162723  Chylismia claviformis subsp. peirsonii Edmund C. Jaeger 1925-12-18 s.n. Imperial On open desert in sandy places. Comment
  SEINET4133376  Chylismia claviformis subsp. peirsonii N. H. Holmgren, P. K. Holmgren 1974-3-27 7506 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo 274 Comment
  SD143802  Chylismia claviformis subsp. yumae B. Pitzer 1998-2-2 3482 Imperial Algondones Dunes: south terminus of Ogilby Road, on south side of Highway I-8. 60 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
  RSA244329  Cistanthe ambigua Larry E. DeBuhr, Gary D. Wallace 1973-3-3 781 Imperial Yuha Basin, Pinto Wash; about 16 miles west of Calexico along Highway 98. Comment
  SBBG80987  Cistanthe ambigua A. C. Sanders 1985-3-24 5411 Imperial Road S22, ca. 0.5 mi E of Anza-Borrego State Park boundary; SE end of Santa Rosa Mtns 60 Comment
  RSA466518  Cistanthe ambigua Edwin Kline 1920-3-28 s.n. Imperial Colorado Desert Comment
  RSA466520  Cistanthe ambigua A. C. Life 1926-2-20 s.n. Imperial Colorado Desert. Comment
  RSA802551  Cistanthe monandra Duncan S. Bell 2013-3-24 4614 Imperial The eastern base of the Jacumba Mountains; in Palm Canyon Wash approximately 6.25 air miles southwest of the town of Ocotillo and about 0.25 air mile east of the border of Anza-Borrego Desert State Park. 405 Comment
  RSA700477  Claytonia parviflora subsp. viridis Jon P. Rebman 2001-3-16 7205 Imperial Jacumba Natural Area, In-ko-pah Mountains, near Smuggler s Cove. 1046 Comment
  UC1787781  Claytonia parviflora subsp. viridis Jon P. Rebman 2001-3-16 7206 Imperial Jacumba Natural Area, In-Ko-Pah Mountains, near Smuggler's Cove. 1046 Comment
  CHSC111046  Clematis pauciflora Duncan S. Bell; Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3519 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air miles north of the U.S./Mexico border. In Ko-Pah Gorge. 1280 Comment
  UCR256359  Clematis pauciflora Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3515 Imperial Peninsular Range, Jacumba Mountains, above Valley of the Moon, vicinity of Blue Angel Peak, c. 0.25 air mile north of the US/Mexico border 1280 Comment
  POM148076  Cleomella obtusifolia J. B. Feudge 1924-5-21 862 Imperial Coyote Wells, Colorado Desert. 91 Comment
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Oct 9 2010
  UC83290  Cleomella obtusifolia T. S. Brandegee Apr 1905 Imperial near Cariso Mt.; Colorado Desert Comment
  CSUSB735  Coldenia plicata Shirley Hill 1963-4-20 S. N. Imperial 9.2 miles west of Glamis on Glamis road Comment
  SEINET9119021  Coldenia plicata M. Piehl 1964-1 D Imperial 2.1 mi. W of Glamis; active, high dunes along Ben Hulse Hwy. 106 Comment
  SD125130  Colubrina californica Steven P. McLaughlin, Janice E. Bowers 1984-2-28 2766 Imperial Eastern Imperial County; along narrow wash, Indian Pass Road. 0.7 miles E of Indian Pass 274 Comment
  CAS-BOT-BC520442  Condalia globosa var. pubescens A. C. Sanders; T. B. Salvato 2012-11-16 40527 Imperial Sonoran (Colorado) Desert: Chuckwalla Bench S of the Chuckwalla Mtns., Arroyo Seco, c. 2.5 mi SW of Chuckwalla Well at powerline crossing 594 Comment
  POM184097  Condalia globosa var. pubescens P. A. Munz 1932-4-5 12136 Imperial 2 miles north of Cargo Muchacho Mts. Comment
  SD250693  Condalia globosa var. pubescens Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28799 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
  SEINET2043468 Image available Condalia globosa var. pubescens Jon P. Rebman, A. Salywon, C. Christy 1998-3-23 4951 Imperial West of Picacho State Recreation Area; along Indian Pass Road ca. 9.1 mile east of Ogilby Rd. 150 Comment
  UC667201  Condalia globosa var. pubescens Annie M. Alexander and Louise Kellogg 1941-5-28 2252 Imperial edge of sandy wash Colorado Desert, Midway Well 228 Comment
  UCR201794  Condalia globosa var. pubescens A. C. Sanders 2009-1-28 36169 Imperial Sonoran (Colorado) Desert, 1.3 mi. (air) west of Ogilby Rd., 5.1 mi. (air) SE of the closest point on Hwy 78, 5.2 mi. (air) NE of Ruthven Siding on RR 177 Comment
  UCR242061  Condalia globosa var. pubescens A. C. Sanders, T. B. Salvato, Tim Thomas 2012-11-1 40501 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., west of N-S road north of BLM Rd 988, SW of Arroyo Seco, 5.4 km SW (230 deg. ) of Raineys Well 566 Comment
  CDA5509  Convolvulus arvensis T. C. Fuller 1962-10-17 9785 Imperial Benson property, Haven Lane, west of Highway 99, 0.5 mile south of Brawley. 0 Comment
  CDA3690  Coronopus squamatus R. Waegner, R. A. Flock 1982-6-1 Imperial Ash 211, El Centro. 0 Comment
  UC1998416  Cressa truxillensis Frank B. McMurry 1945-5-26 Imperial Flood plain, Government Camp, Imperial Dam Site, Imperial County, California. Comment
  SDSU3719  Croton californicus D. R. Harvey 1930-12-18 1165 Imperial Near Coyote Wells. 87 Comment
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Oct 13 2011
  UC1292299  Croton californicus C. L. Hitchcock and C. V. Muhlick 1964-3-19 23162 Imperial 3 mi s Ocotillo Well (on road to Fish Creek) Comment
  UCR59792  Croton californicus B. G. Pitzer, G. R. Ballmer 1989-10-6 1463 Imperial Sonoran (Colorado) Desert, Yuha Desert; Coyote Wash, c. 0.5 mi east of Painted Gorge Road. 107 Comment
  RSA503392  Croton californicus var. mohavensis Gary D. Wallace 1966-3-2 86 Imperial In the Yuha Basin of the Yuha Desert S of intrestate 8 along Pinto Wash 91 Comment
  HSC25128  Croton wigginsii R. W. Spjut 1972-2-16 2195 Imperial Colorado Desert, W of Yuma. Comment
  HSC83348  Croton wigginsii A. C. Sanders, Pitzer, Charlton 1986-3-8 6162 Imperial E Mesa, E end of Montgomery Rd. at the Coachella Canal, ca. 1.25 mi NW of Mammoth Wash crossing of the canal 27 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
  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
  RSA760077  Croton wigginsii J. Andre, Tasha La Doux 2009-2-26 9869 Imperial Algodones Dunes: west end of Algodones Dunes, along north side of Highway 78. 68 Comment
  UC1490308  Croton wigginsii Rolf Y. Berg 1980-4-23 Imperial sand-dunes w Yuma (near Old Plank road viewpoint); Colorado Desert Comment
  UCR165594  Croton wigginsii Alex R. Van Dam 2005-4-19 s.n. Imperial Sonoran(Colorado) Desert, Algodones Dunes N of the Osborne Overlook and c. 50 m N of Hwy 78 122 Comment
  VVC636  Croton wigginsii P. J. MacKay, T. Thomas 1997-3-1 131 Imperial Algodones Dunes, Coachella Canal Rd, ca. 4 mi N of Hwy 8; 73 Comment
  CDA40517  Cryptantha angustifolia H. L. Wilson 1958-2-18 206 -58 Imperial Signal Mountain [Mount Signal], southwest of El Centro. 0 Comment
  RSA338009  Cryptantha angustifolia F. R. Fosberg 1932-3-31 10657 Imperial 15 miles east of Holtsville Comment
  SD211385  Cryptantha angustifolia Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18878 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
  SD242745  Cryptantha angustifolia Andrea Laltoo 2005-2-18 6 Imperial Yuha Desert Area of Critical Environmental Concern, wash to SW side of route 353, between route 346 and the Shellbeds campground road 36 Comment
  SD243854  Cryptantha angustifolia Donald Hazlett 1993-3-13 6812 Imperial 3 mi. S of Ocotillo, in Davies Canyon 182 Comment
  SDSU18934  Cryptantha angustifolia C. Matt Guilliams, Jeff Marshall 2008-4-23 625 Imperial Eastern edge of Algodones Dunes, 300m south of I-8 and 500m east of the All-American Canal. 78 Comment
  SDSU18935  Cryptantha angustifolia C. Matt Guilliams, Jeff Marshall 2008-4-23 628 Imperial Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. 93 Comment
  UCR100793  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-3-18 2884 Imperial Sonoran (Colorado) Desert, 4.7 miles north of Winterhaven on Picacho Rd & 1 mile NW of the All-American Canal 76 Comment
  CLARK-A1045-911  Cryptantha barbigera George K. Helmkamp 1977-2-17 Imperial Salton Trough State Highway 22 near Salton Sea; roadside; ; Seventeen Palms 7.5'Q 60 Comment
  HSC3597  Cryptantha barbigera C. L. Hitchcock 1966-3-19 24277 Imperial 9 mi. E of Holtzville Comment
  JEPS67482  Cryptantha barbigera W. L. Jepson 1927-4-17 11779 Imperial Meyers Creek bridge, foot of Mountain Springs Grade Mountain Springs Grade 243 Comment
  RSA0013127  Cryptantha barbigera J. Mark Porter, Sarah De Groot 2012-4-12 15088 .2 Imperial Palm Canyon Wash, 6.2 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the eastern margin of broad wash. 384 Comment
  RSA191722  Cryptantha barbigera R. F. Thorne, R. Rutherford 1964-4-11 33649 Imperial Araz Wash, between Pasadena and Stud Mountains, Cargo Muchacho Mountains 305 Comment
  SD155827  Cryptantha barbigera Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7223 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, along road ascending to Valley of the Moon. 1000 Comment
  SD199904  Cryptantha barbigera Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16327 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
  UCD119000  Cryptantha barbigera C. L. Hitchcock 1966-3-20 24296 Imperial about 15 miles north of Ogilby along road to Blythe. Comment
  UCD83495  Cryptantha barbigera Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5835 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
  UCR265867  Cryptantha barbigera Mitch Provance 2008-3-15 10125 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
  RSA610693  Cryptantha barbigera var. barbigera R. S. Woglum 1940-3-10 2469 Imperial Sonora Desert: Ogilby. Comment
  SD260020  Cryptantha barbigera var. barbigera J. M. Andre 2013-3-4 23848 Imperial Palo Verde Mountains: along Hwy 78, east side of range at Three Slashes Rd, approx 20 mi. Cibola 7.5'Q 93 Comment
  SD260219  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2016-3-17 42316 Imperial Sonoran (Colorado) Desert: Chocolate Mountans, old Niland - Blythe Rd. between Beal Well and Surveyors Pass, c. 1 mile SW of Surveyors Pass. Large wash at foot of rocky hills. 598 Comment
  SD262221  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-12 42847 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, Pegleg Well near Pegleg Mine (Pegleg Well 7.5'Q) 423 Comment
  SDSU19541  Cryptantha barbigera var. barbigera Michael G. Simpson, Geoffrey Morse, Michael Johnson, Robert Zamudio 2010-4-23 3168 Imperial Mountain Springs Grade, ca. 0.2 mile south of parking area due south of I-8 East. 669 Comment
  UCR269558  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42016 Imperial Sonoran (Colorado) Desert, Hayden Well on Mammoth Wash, Chocolate Mountains 284 Comment
  UCR279133  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-12 42847 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Pegleg Well near Pegleg Mine 424 Comment
  UCR279235  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-13 42862 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Salvation Wash east of Salvation Pass, 1 km above to 1.1 km below confluence with German Diggins Wash 373 Comment
  GMDRC9781  Cryptantha barbigera var. fergusoniae J. M. Andre 2017-3-9 37960 Imperial Salton Sink; 0.4 mi. west of Hwy 86, 5.3 mi. NNW of Salton City -19 Comment
  SD200364  Cryptantha barbigera var. fergusoniae Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16829 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Big Wash, Site ERIINF in sandy arroyo and surrounding cobbly mesas -14 Comment
  SDSU19420  Cryptantha barbigera var. fergusoniae Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16591 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
  UCR212675  Cryptantha barbigera var. fergusoniae Jon P. Rebman, Guy L. Fleming, W. Schmidtmann, Gary Erbeck 2009-3-10 16253 Imperial Colorado (Sonoran) Desert, Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, west of Hwy 86, Section 19 (SP19), north fork of Palm Wash, Site HYPEMO in sandy arroyo and surrounding rocky embankments 88 Comment
  POM71916  Cryptantha costata Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma. Comment
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Apr 28 2014
  RSA0034114  Cryptantha costata Duncan S. Bell, Kim Clark, Keir Morse, Donna Thomas, Adriana Van Klaveren 2013-3-10 4504 Imperial Algodones Dunes; just to the west of Glamis on the north side of Highway 78. 97 Comment
  SBBG87954  Cryptantha costata A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Wright, Bramlett 1986-3-8 Imperial E side of Algodones Dunes, ca. 2.7 mi NW of Glamis along dirt rd parallel to railroad, SW of Mesquite Siding between the railroad and the dunes 85 Comment
  UC857102  Cryptantha costata Aven Nelson, Ruth A. Nelson 1939-3-23 3224 Imperial w side Salton Sea Comment
  UCR278755  Cryptantha costata Onkar Singh, B. Huttar 2015-3-14 5090 Imperial Sonoran (Colorado) Desert, Imperial Valley, Naval Air Facility El Centro, Target 68, c. 13 km SW of Glamis 30 Comment
  UCR82276  Cryptantha costata J. M. Stewart 1994-3-21 793 Imperial Sonoran Desert, Glamis Dunes, 4 mi north of Interstate Hwy 8. Comment
  RSA0108306  Cryptantha costata F. W. Peirson 1932-3-21 9773 Imperial 10 miles east of Holtville. 23 Comment
  SEINET3240494  Cryptantha cycloptera Steven P. MacLaughlin, Janice E. Bowers 1985-1 2962 Imperial Stud Mtn.; Cargo Muchacho Mtns. 366 Comment
  HSC49377  Cryptantha ganderi D. L. Goforth 1979-3-29 65 Imperial 1 mi. S of Cut Across Trail 15 Comment
  OBI38360  Cryptantha holoptera A. C. Sanders, W/ Pitzer, Charlton, & Kniffen, Bramlett, et al, Kniffen, Bramlett, et al 1986-3-9 6201 Imperial Coyote Mts, Fossil cyn, on Shell Cyn Rd 3.3 mi N of Imperial hwy (S-2) at Ocotillo. T16S, R9E, NE 1/4 sec 10 305 Comment
  SD144543  Cryptantha holoptera Suzanne Bell 1998-3-1 300 Imperial [TRS only, no locality information on label] Comment
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Sep 21 2011
  POM368289  Cryptantha holoptera H. de Forest 1933-4-10 18307 Imperial Cargo Muchacho Mountains Comment
  POM156255  Cryptantha maritima L. R. Abrams 1903-4-2 3177 Imperial Signal Mountain, Colorado Desert Comment
  SBBG92249  Cryptantha maritima D. F. Howe 1980-4-14 Imperial St Hwy 78, 17.5 mi E of Brawley Comment
  SD199921  Cryptantha maritima Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16307 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
  SEINET3239884  Cryptantha maritima Larry Hendrickson, Jon Rebman, et al. 2005-1 3175 Imperial Picacho State Recreation Area. South side of the Colorado River, near Group Camp on N-side of main access road. 43 Comment
  UC604895  Cryptantha maritima Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9610 Imperial upper end of Painted Gorge (Painted Gorge = Carrizo Gorge) Carisso Mts., Painted Gorge Comment
  UCR100953  Cryptantha maritima B. G. Pitzer 1998-2-1 3456 Imperial Sonoran (Colorado) Desert, Milpitas Wash, c. 0.2 mi south of Walter's Camp Road, 1.0-1.5 mi west of Hwy 78 91 Comment
  UCR150442  Cryptantha maritima A. C. Sanders, P. J. MacKay, Tim Thomas, E. J. Lawlor, et al. 2005-1-17 29065 Imperial Sonoran (Colorado) Desert, Salton Basin, east side of Hwy 86 at NE side of Kane Spring, near powerlines, SE of Hwy 78 junction -55 Comment
  UCR241587  Cryptantha maritima A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40654 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, south of the old Blythe-Niland Road and of the Bradshaw Trail, c. 3.5 km west of Raineys Well 579 Comment
  UCR269468  Cryptantha maritima A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42076 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, upper Mammoth Wash, below 'slot' canyon 439 Comment
  UCR50454  Cryptantha maritima George K. Helmkamp 1988-2-28 880228- 01 Imperial Sonoran (Colorado) Desert, at end of a dirt road c. 2 miles WSW of Crucifixion Thorn Natural Area, SE of Ocotillo and SW of Hwy 98 153 Comment
  UCR246526  Cryptantha maritima var. pilosa Frank B. McMurry 1943-1 1344 Imperial Sonoran (Colorado) Desert, Imperial National Wildlife Refuge [along Colorado River between c. Walker Lake and Sortan Wash] 61 Comment
  JEPS101570  Cryptantha micrantha Dean W. Taylor 1998-5-12 16394 Imperial Tarantula Wash, ca. 2.5 miles down the wash south of Highway 78, and ca. 8 miles E of Highway 86 -15 Comment
  SBBG116573  Cryptantha muricata var. muricata D. Silverman, J. Rebman 2001-4-23 3964 Imperial In-Ko-Pah Mtns, access rd to Valley-of-the-Moon 1031 Comment
  PASA1991  Cryptantha nevadensis Frank W. Peirson 1922-4-13 Imperial Foot of Mountain Springs Grade Comment
  RSA802368  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2013-3-24 4630 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
  UCR269852  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2016-3-17 42340 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass 629 Comment
  UCR269888  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42206 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0-0.4 km east of old Niland-Blythe Rd. 442 Comment
  SBBG116574  Cryptantha pterocarya var. pterocarya D. Silverman with J. Rebman 2001-4-23 3971 Imperial near SE boundary of San Diego Co, access rd to Valley-of-the-Moon,, In-Ko-Pah Mtns 1031 Comment
  UCR155751  Cryptantha pterocarya var. purpusii Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7211 Imperial Peninsular Range, In-Ko-Pah Mountains, Jacumba natural area along road ascending to Valley of the Moon 1000 Comment
  OBI38916  Cryptantha racemosa A. C. Sanders, w/ Pitzer, Charlton, Kniffen, & Wright, Wright 1986-3-10 Imperial Coyote Mts, 2.15 mi N of hwy S-2 on a dirt rd 1.1 mi SE of the San Diego Co line (T16S, R9e, E1/2 of E1/2 sec 6 305 Comment
  UCSB12280  Cucurbita palmata Corfman, Nancy 1961-3-5 Imperial 9 miles east of Miller's Grade on Calexico Highway (Highway 89) Comment
  SEINET3093840 Image available Cuscuta campestris W. W. Wright 1966-8-16 sn Imperial Brawley. Comment
  UCD54476  Cuscuta campestris Carl Bell 1986-8-7 s.n. Imperial 2 miles south of Brawley on Hwy 86. Comment
  SEINET905784  Cuscuta denticulata G. Yatskievych 1981-1 81 -119 Imperial Common parasite on Dalea emoryi in coarse sand of Floodplain; mouth of Myer Creek at eastern edge of In-Ko-Pah Gorge (Devils Canyon). 289 Comment
  CDA40568  Cuscuta indecora Claverie & Sanchez 2014-6-1 PDR# 130 P06283959 Imperial Vicinity of Brawley; near Dickerman Road and Hwy 115. 0 Comment
  CAS-BOT-BC59393  Cylindropuntia acanthocarpa var. acanthocarpa Carl B. Wolf 1938-1-7 9390 Imperial Field redacted by CAS, contact the data manager for more information Comment
  SD191490  Cylindropuntia acanthocarpa var. coloradensis Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3223 Imperial Picacho State Recreation, south of Colorado River, Taylor Lake Overlook. 202 Comment
  SD139150  Cylindropuntia bigelovii Jon P. Rebman, Maggie Loy 1996-10-27 3743 Imperial Just east of Ogilby Road (S34), on Highway 78 (Ben Hulse Highway), between Palo Verde and Brawley. (IPB 10/07) 249 Comment
  SEINET13324074  Cylindropuntia bigelovii Marc A. Baker, Andy Sanders, and Michelle Cloud-Hughes 2016-1-21 18480 Imperial Chocolate Mountains, 20km ENE of Niland, 54 km NNE of central El Centro, 6.1km SE of Lion Head Mountain. 400 Comment
  SEINET13696354  Cylindropuntia chuckwallensis Marc A. Baker, J. Malusa, Michelle Cloud-Hughes, A. C. Sanders. 2016-3-15 18507 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, 20 km NE of Niland, just east of Niland-Blythe Road, 65 km NNE of central El Centro, 4.6 km NNE of the summit of Lion Head Mountain. 427 Comment
  UCR273890  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17719 .4 Imperial Colorado (Sonoran) Desert, south side of Chuckwalla Mountains, along Graham Pass Road, 1.7 km east of its intersection with Bradshaw Trail, 55 km west-southwest of Blythe 474 Comment
  RSA0072256  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2013-4-16 17730 Imperial Lower bajada on south side of Chuckwalla Mountains, Graham Pass Road, 350m NE of its intersection with Bradshaw Trail, 4km SW of Graham Pass, 58km WSW of Blythe. 499 Comment
  SD211396  Cylindropuntia echinocarpa Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18907 Imperial South 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; in a large wash just S of a powerline road 36 Comment
  SEINET4604347 Image available Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17722 Imperial South side of Chuckwalla Mountains, Bradshaw Trail, 1.4 km east of its intersection with Graham Pass Road, 55 km WSW of Blythe 478 Comment
  SEINET13203177 Image available Cylindropuntia munzii Marc A. Baker, Michelle Cloud, Hughes 2016-1 18481 Imperial Chocolate Mountains, 18km (11 miles) NE of Niland, 2.8km SSW of Beal Well, along Niland- Blythe Road, 62km NNE of central El Centro, 1.1km north of the summit of Lion Head Mountain 347 Comment
  VVC3127  Cylindropuntia munzii Tim Thomas, T. Salvato 2012-10-25 5915 Imperial Sonora Desert, Chuckwalla Bench, 0.1 mi W of bladed route, 3.5 mi SW of Indian Well. 590 Comment
  CAS-BOT-BC56201  Cylindropuntia ramosissima Ira L. Wiggins 1937-2-17 8556 Imperial Field redacted by CAS, contact the data manager for more information 134 Comment
  SDSU16343  Cylindropuntia wolfii Jon Rebman, O. Solis 2001-5-4 7306 Imperial Mountain Springs Grade, just south of Interstate 8. 671 Comment
  SEINET7259917 Image available Cylindropuntia wolfii Marc A. Baker, Bruce D. Parfitt 1987-4-13 7536 Imperial Mountain Springs Road and Freeway 8. 620 Comment
  SEINET7897817  Cylindropuntia wolfii Marc A. Baker, Bruce D. Parfitt 1987-4-13 7539 Imperial 1.5 k of Ocotillo. Comment
  SEINET8548193 Image available Cylindropuntia wolfii Marc A. Baker, Bruce D. Parfitt 1987-4-13 7533 Imperial 1k SW of Sugarloaf Mountain. 290 Comment
  UC140786  Cylindropuntia wolfii T. S. Brandegee Apr. 1905 Imperial Coyote Wells Colorado Desert Comment
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Jan 23 2012
  RSA0015811  Cynodon dactylon Jim Andre 2013-3-4 24099 Imperial Cargo Muchacho Mtns: west side of range, along Ogilby Rd, approx. 8.4 mi north of Jct Interstate 8. 166 Comment
  RSA792452  Cynodon dactylon Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons, Anh Phan 2012-11-17 4409 Imperial Jacumba Mountains; within the Jacumba Mountain Wilderness, approximately 3.25 air miles northeast of Mountain Spring or approximately 1.25 air miles north of Myer Valley. 418 Comment
  SEINET3223209 Image available Cynodon dactylon Jon Rebman, Maggie Loy 1996-10-26 3723 Imperial South of Seeley; east of Fig Lagoon along the New River. 20 Comment
  UC1735829  Cynodon dactylon Dean W. Taylor 1998-5-12 16384 Imperial vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation 85 Comment
  UCD60016  Cynodon dactylon A. A. Beetle 1942-4-22 3169 Imperial Rt. 80, 5 miles east of El Centro, near Holtville. Comment
  UCR245775  Cynodon dactylon Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons, Anh Phan 2012-11-17 4409 Imperial Peninsular Range, Jacumba Mountains; within the Jacumba Mountain Wilderness, c. 3.25 air miles northeast of Mountain Spring or c. 1.25 air miles north of Myer Valley 418 Comment
  JEPS64065  Cyperus erythrorhizos J. E. Roadhouse 1903-8-7 14 Imperial Imperial Valley Comment
  SD125046  Cyperus erythrorhizos Steven P. McLaughlin 1985-5-31 3022 Imperial Colorado Desert; 2.0 miles east of Winterhaven, silty flats along Colorado River with Phragmiltes, Pluchea purpurascens. 36 Comment
  UC194882  Cyperus erythrorhizos S. B. Parish 1913-2-26 8498 Imperial banks of an old channel Ft. Yuma Comment
  UCD141043  Cyperus erythrorhizos L. G. Goar; W. W. Mackie 1929-10-1 s.n. Imperial El Centro. Comment
  SEINET1114553 Image available Cyperus esculentus Jon Rebman, Maggie Loy 1996-10-26 3742 Imperial W of Imperial. 10 Comment
  UC1100654  Cyperus laevigatus Malcolm A. Nobs 1948-9-5 553 Imperial above Laguna Dam (lower Colorado R.); Colorado R. Comment
  CAS-BOT-BC113941  Cyperus odoratus Samuel B. Parish 1913-2-26 8497 Imperial In willow thickets, Colorado river bottoms. Ft. Yuma. Comment
  SEINET5546152  Cyperus odoratus J. J. Thornber 1912-1 s.n. Imperial Bard. Comment
  SEINET8005954  Dactyloctenium aegyptium Jon P. Rebman 1996-10-26 3726 Imperial Seeley, S de Seeley 20 Comment
  RSA404185  Dalea mollis H. S. Gentry 1936-1 2171 Imperial 17 Palms. West Side of Colorado Desert -30 Comment
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Nov 8 2010
  RSA498346  Dalea mollis Martha Hilend 1928-3-24 125 Imperial Wash of Palm Wash, Colorado Desert Comment
  SD161399  Dalea mollis Jon Rebman, Jim Rocks 2005-2-10 10948 Imperial Little Picacho Wilderness Area (BLM property): North of Winterhaven, SW of Colorado River; approx. 18 miles N of S24 on Picacho Road; just south of the Picacho State Recreation Area 195 Comment
  SEINET10486072  Dalea mollis Noel H. Holmgren, Patricia K. Holmgren 1973-3-25 Holmgren 6522 Imperial Imperial valley, 20 airlin mi e of downtown brawley, near the sand hills. T13s, R17e, sec 34. Sandy soil in creosote bush desert common, corolla reddish violet With white markings. 46 Comment
  HSC14691  Dalea mollis var. mollissima C. L. Hitchcock, C. V. Muhlick 1964-3-19 23142 Imperial 8 mi. S of Ocotillo Spring on road to Fish Creek Comment
  RSA167562  Dalea mollissima R. F. Thorne, Robert L. Rutherford 1964-4-10 33579 Imperial Ca 1 mile SE of Glamis on road to Ogilby. Comment
  RSA404192  Dalea mollissima Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7782 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. 79 Comment
  SD14571  Dalea mollissima Frank F. Gander 1936-4-15 1362 Imperial Extreme northwest corner of Imperial County. Comment
  UCD77589  Dalea mollissima Robert E. Preston 1997-11-13 1071 Imperial Mesquite Mine. 213 Comment
  UCR101077  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-3-18 2904 Imperial Sonoran (Colorado) Desert, 7 mi. north of Winterhaven on Picacho Rd & 1.7 mi. E on powerline rd. 198 Comment
  UCR120535  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 2001-3-17 6289 Imperial Sonoran (Colorado) Desert, Ogilby Rd., 15.4 miles south of Calif. Hwy 78 168 Comment
  UCR170962  Dalea mollissima John F. Green 2006-3-10 s.n. Imperial Sonoran (Colorado) Desert, along the Coachella Canal, wash just above Siphon 16 24 Comment
  UCR249852  Dalea mollissima T. B. Salvato, Fred M. Roberts, Tim Thomas, R. T. Hawke, Mitch Provance 2013-3-13 7321 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 0.8 km southwest of Rainey Well, north of the powerline road and east of the cut-off road between the well and powerline road 534 Comment
  SEINET10940051  Dalea mollissima David B. Dunn 1941-4-21 Dunn 1153 Imperial 5 mi sof travertine rocks near the hwy in a sandy wash. Comment
  RSA794053  Dalea schottii var. puberula Doris Bowers 1974-5-4 2234 Imperial Coyote Creek, Anza-Borrego State Park 335 Comment
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Sep 11 2013
  CAS-BOT-BC283026  Dasyochloa pulchella Peter H. Raven 1958-1-26 11501 A Imperial 17.8 miles northof Ogilby Comment
  SEINET10897083  Dasyochloa pulchella Alan A. Beetle 1942-4-21 Beetle 3166 Imperial 40 miles west of El Centro, rocky slopes, Rt. 80. Comment
  CDA5744  Datura discolor T. C. Fuller 1958-9-23 2210 Imperial 3.5 miles north of Niland. 0 Comment
  JEPS46502  Datura discolor W. L. Jepson Nov. 1912 5292 Imperial Picacho Comment
  RSA336254  Datura discolor Robert F. Thorne 1978-4-29 52146 Imperial W. of Chocolate Mountains: 1 mile E of Coachella Canal and W of Melson Well. Comment
  RSA643345  Datura discolor R. D. Goeden, D. W. Ricker 1978-1-12 s.n. Imperial Colorado Desert: Sandy desert wash [Coyote Wash?], S of Ocotillo 128 Comment
  SD129513  Datura discolor A. C. Sanders 1989-9-26 9516 Imperial Chocolate Mountains Aerial Gunnery Range: wash on alluvial fan ca. 3 km SE of the S end of the Little Mule Mountains, Explosive Ordinance Disposal campsite 1 km W of the end of Dietz Rd. 324 Comment
  SD260307  Datura discolor A. C. Sanders, Jim Malusa 2016-3-6 42106 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, Mammoth Wash area on dirt road toward Hayden Well from Ted Kipf Rd., 4.18 km NE (68a^z) of Totuga Siding on the railroad. 121 Comment
  SEINET13297626 Image available Datura discolor A. C. Sanders, Jim Malusa 2016-1 42106 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, Mammoth Wash area on dirt road toward Hayden Well from Ted Kipf Rd., 4.18 km NE (68 deg. ) of Tortuga Siding on the railroad (Tortuga 7.5' Q.) 122 Comment
  SEINET8465883 Image available Datura discolor Larry C. Higgins 1973-3-26 6362 Imperial Ca 20 miles northwest of Winterhaven along Olgsby road Comment
  UCR102673  Datura discolor B. G. Pitzer 1998-2-2 3472 Imperial Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes 61 Comment
  UCR12257  Datura discolor Art Whistler 1966-4-4 s.n. Imperial Sonoran (Colorado) Desert, 5 mi north of Glamis 213 Comment
  UCR212928  Datura discolor A. C. Sanders 2010-3-25 37603 Imperial Sonoran (Colorado) Desert; Salton Trough, Wister, Howell Road at RR tracks, near Hwy 111 -59 Comment
  UCR58444  Datura discolor A. C. Sanders 1989-9-26 9516 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3 km SE of the S end of the Little Mule Mtns. Explosive Ordinance Disposal campsite [Camp Burt] 1 km west of the end of Dietz Road. 325 Comment
  JEPS12296  Datura wrightii S. B. Parish 1912-10-21 8334 Imperial Colorado River <bat<?>crus?> Ft. Yuma; Colorado River <bat<?>crus?><batteries?> Comment
  POM270663  Delphinium parishii Lyman Benson 1933-4-1 4247 Imperial US 80, Grade to Mt Springs. Mt. Range Cuyamaca. Salton Sea Watershed. 610 Comment
  RSA0029809  Delphinium parishii subsp. subglobosum Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3496 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  UCR99823  Delphinium parishii subsp. subglobosum Jon P. Rebman, Melanie Howe 1997-4-5 3897 Imperial Sonoran Desert, Jacumba Natural Area: east of Jacumba: Inkopah Mtns: region near Valley of the Moon 900 Comment
  UCR249857  Descurainia pinnata T. B. Salvato, Fred M. Roberts, Tim Thomas, R. T. Hawke, Mitch Provance 2013-3-13 7316 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 0.8 km southwest of Rainey Well, north of the powerline road and east of the cut-off road between the well and powerline road 534 Comment
  UCR265879  Descurainia pinnata Mitch Provance 2008-3-15 10102 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
  POM369376  Descurainia pinnata subsp. glabra N. C. Cooper 1949-3-17 3113 Imperial Mountain Springs 610 Comment
  UCR246782  Desmanthus virgatus L. Arellano 2011-7-7 PDR 1263694 Imperial Holtville, Pine Elementary School, 3295 Holt Road near Townsend Road Comment
  RSA0121521  Dichelostemma capitatum subsp. pauciflorum Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3495 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  CAS-BOT-BC292150  Dicoria canescens Eva Wilson 1956-11-18 4 Imperial Near Signal Mountain Comment
  RSA289299  Dicoria canescens Charles Convis 1980-4-9 146 Imperial Western Salton Basin. 27km due WNW of Westmorland. Flats and stabilized dunes area 0-2 km N of San Filipe creek in area of confluence with Carrizo wash. -21 Comment
  UCR115383  Dicoria canescens 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
  UCR134119  Dicoria canescens June Latting 1978-5-1 s.n. Imperial Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 69 Comment
  CLARK-A1045-1211  Dicoria canescens subsp. clarkiae George K. Helmkamp 1977-1-22 Imperial Yuha Desert where Pinto Wash crosses State Highway 98; ; Yuha Basin 7.5'Q Comment
  CAS-BOT-BC292238  Dieteria asteroides var. asteroides D. A. Johansen; J. A. Ewan 1932-4-13 7124 Imperial Ross' Corner, Yuma Indian Reservation Comment
  SD139665  Dieteria canescens var. canescens Jon P. Rebman, Maggie Loy 1996-10-25 3694 Imperial In-ko-pah area, along Boulder Creek and just east of San Diego/Imperial County line, near small oasis. (IPB 10/07) 915 Comment
  POM155966  Dinebra viscida Le Roy Abrams 1903-7-22 s.n. Imperial Calexico, Imperial Valley. Comment
  SEINET3829002  Diplachne fusca var. uninervia Steven P. MacLaughlin, Janice E. Bowers 1986-1 3231 Imperial Sandy soil along Colorado River, Quechan Indian Res. Comment
  SBBG92154  Distichlis spicata D. F. Howe 1980-4-14 Imperial St Hwy 78, 17.5 mi E of Brawley Comment
  RSA600222  Ditaxis claryana L. C. Wheeler 1960-4-15 7678 Imperial 1/4 mi. southwest of Gazing Station, below Picacho. Comment
  SD253442  Ditaxis claryana Duncan S. Bell, Kim Clark, et al. 2013-3-9 4491 Imperial Chocolate-Chuckwalla Mountains region: Chocolate Mountains; collecting in Little Picacho Wash, ca. 2.75 air miles northeast of Picacho Peak. 105 Comment
  CDA35293  Ditaxis lanceolata T. C. Fuller 1976-12-14 20177 Imperial Colorado Desert; 2 km south of Picacho Campground. 0 Comment
  HSC7963  Ditaxis lanceolata C. L. Hitchcock 1966-3-21 24325 Imperial About 7 mi. N of Milpitas Wash and 14 mi. NW of Blythe-Glamis Hwy. Comment
  SD242797  Ditaxis lanceolata Donald L. Hazlett 1993-3-13 6780 Imperial 2 mi. S of Ocotillo; Just N of WA 152 Comment
  UCR148718  Ditaxis lanceolata Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6536 Imperial W Colorado Desert, NW of El Centro, E side of Fish Creek Mtns and west of Salton Sea Comment
  UCR264919  Ditaxis lanceolata Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28738 Imperial Sonoran (Colorado) Desert, Milpitas Wash just west of Hwy 78; south of Palo Verde and south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 133 Comment
  UCR33538  Ditaxis lanceolata Sears 1978-4-11 1145 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mts. transect Comment
  RSA608484  Ditaxis neomexicana L. C. Wheeler 1960-12-30 7797 Imperial 2 N north of Frink. Comment
  SD139607  Ditaxis neomexicana Jon Rebman, Maggie Loy 1996-10-27 3768 Imperial N of Glamis: Algodones Dunes 60 Comment
  SEINET3831710  Ditaxis neomexicana Jon P. Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-1 18901 Imperial Southwest of plaster City on Bureau of Land Management (BLM) property on an area proposed for development of a solar facility: S of Hwy. S80 & NE of Ocotillo & W of El Centro; alonga powerline road 50 Comment
  UC984889  Ditaxis neomexicana Eva M. Wilson 1946-2-16 Imperial Plaster City Comment
  UCR163961  Ditaxis neomexicana B. G. Pitzer 1998-2-2 3508 Imperial Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park 61 Comment
  UCD142310  Ditaxis serrata T. R. Van Devender; J. I. Mead 1977-11-8 s.n. Imperial 1.1 miles north of I-8 on Imperial County S-34. Comment
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Sep 14 2016
  CAS-BOT-BC43594  Dithyrea californica Gilbert T. Benson 1927-3-5 165 Imperial Coachella Valley near Indio. Comment
  RSA530759  Dithyrea californica M. B. Dunkle 1932-3-26 2952 Imperial East of Salton Sea, near Kane Springs -46 Comment
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Nov 3 2011
  SD200382  Dithyrea californica Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16600 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
  SEINET3523061 Image available Dithyrea californica Noel H. Holmgren, Patricia K. Holmgren 1974-3-30 7568 Imperial Upper Yuha Desert, Calif. Highway 52, 5.9 miles west-northwest of Ocotillo. Comment
  UC520190  Dithyrea californica W. B. Welch 1933-2-18 Imperial near Salton Sea; Kane Springs Comment
  UCR241538  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40577 Imperial Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track 30 Comment
  UCR3210  Dithyrea californica John Kitasako 1964-4-9 45250 Imperial Sonoran (Colorado) Desert, [Algodones Dunes] 3 miles west of Glamis on Hwy 78 92 Comment
  SD260233  Draba cuneifolia var. integrifolia A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42209 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0 - 0.4 km east of old Niland-Blythe Rd. Aluvial slope among rocky (mostly granitic) hills. 427 Comment
  RSA0125242  Echinocereus engelmannii var. engelmannii Sarah J. De Groot, Tim Thibault, Valentin Arvizu, Steve Boyd, Aydee Virgen, Tammy Morgan 2004-5-14 4341 Imperial Chocolate Mountains: Gasline road. [Coordinates are from the label but is mapping in Riverside County, since the location is near the Imperial/Riverside Co. line] 573 Comment
  CAS-BOT-BC197006  Echinochloa colona H. S. Yates 1937-7-4 6814 Imperial El Centro Comment
  CDA19761  Echinochloa colona R. Powell, E. Lopez 2001-11-6 PDR 100201 Imperial Southern California; Imperial National Wildlife Refuge. 0 Comment
  RSA487814  Echinochloa colona A. C. Sanders 1988-11-6 8749 Imperial Imperial Valley between Brawley & Westmoreland, Highway 86 at junction with Kalin Road and Tamarack Canal Crossing, 1.6 miles NW of New River crossing at Brawley. -34 Comment
  SBBG59154  Echinochloa colona R. Hoffmann 1928-10-21 Imperial El Centro Comment
  SD250577  Echinochloa colona Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28747 Imperial Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 132 Comment
  RSA487815  Echinochloa crus-galli A. C. Sanders 1988-11-6 8748 Imperial Imperial Valley between Brawley & Westmoreland, Highway 86 at junction with Kalin Road and Tamarack Canal Crossing, 1.6 miles NW of New River crossing at Brawley. -34 Comment
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Mar 13 2015
  UCD60854  Echinochloa crus-galli W. W. Mackie 1921-9-1 B Imperial Imperial Valley, Exp. Station. Comment
  UCD60736  Echinochloa zelayensis var. macera W. W. Mackie 1921-11-1 s. n. Imperial Imperial Valley. Calipatria. Comment
  UCD49726  Eleocharis geniculata S. Galen Smith; Malcolm A. Nobs 1948-9-5 556 Imperial Above Laguna Dam, lower Colorado River, Imperial County. Comment
  UCR26472  Eleocharis geniculata A. C. Sanders 1981-9-13 2403 Imperial Sonoran (Colorado) Desert, Squaw Lake on the Colorado River near Imperial Dam 61 Comment
  SEINET7988896  Encelia actoni Jon P. Rebman 2003-5-11 8989 Imperial In-Ko-Pah Mountains, E of Jacumba Just over E of San Diego /Imperial County border et just N of the US / Mex border 1220 Comment
  CDA4566  Encelia farinosa T. C. Fuller 1962-4-4 8102 Imperial In-Ko-Pah Gorge, Highway 80 to Jacumba, 4.0 miles west of Ocotillo. Comment
  RSA767076  Encelia farinosa Jim Andre, Tasha La Doux 2010-3-1 12533 Imperial Borrego Desert region; southeastern Coyote Mtns, along Painted Gorge Rd, approx 5 mi. NE of town of Ocotillo, 4 mi. N. of Interstate 8. 68 Comment
  SD250443  Encelia farinosa A. C. Sanders, Mitch Provance, Fred M. Roberts. 2013-3-22 40652 Imperial Sonoran (Colorado) Desert: Chuckwalla Bench, south of Chuckwall Mountains, south of the old Blythe-Niland Road and of the Bradshaw Trail, C. 3.5 km west of Raineys Well (Chuckwalla Spring 7.5'Q) 579 Comment
  SEINET10673345  Encelia farinosa Greg Gust, Leith Nye 2005-3-3 Gust 464 Imperial BLM Land just NE of Ogilby about 20 miles NW of Yuma off of Hwy 534 on American Girl Mine Rd. Desert Scrub. 159 Comment
  UCD83502  Encelia farinosa Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5842 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
  POM356668  Encelia farinosa var. farinosa Norman C. Cooper 1949-3-17 3079 Imperial Coyote Wells. 152 Comment
  RSA388032  Encelia farinosa var. farinosa Steve Boyd 1986-2-6 1227 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
  SD190601  Encelia farinosa var. farinosa Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3149 Imperial Picacho State Recreation Area. South side of the Colorado River, near Group Camp on N-side of main access road. 42 Comment
  SD191792  Encelia farinosa var. farinosa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14466 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  POM121848  Encelia frutescens Marcus E. Jones 1926-1-22 s.n. Imperial Pilot Knob. Comment
  POM156235  Encelia frutescens L. R. Abrams 1903-4-2 3156 Imperial Signal Mountain, Colorado Desert. Comment
  POM304713  Encelia frutescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 183 Imperial Imperial Valley, Highway 99. Comment
  SD125615  Encelia frutescens Steven A. Junak 1983-3-23 1648 Imperial Along Highway 86 at Riverside-Imperial County Line, west of Salton Sea. Sandy flats. (IPB 10/07) Comment
  UC2015581  Encelia frutescens A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16055 Imperial Salton Sink: Travertine Point, W side of Highway 86 just S of the Riverside Co. line. Comment
  UCR120580  Encelia frutescens Steven R. Hill, K. Kramer 2001-4-27 33479 Imperial Sonoran (Colorado) Desert, California Route 86/78, W side of road, near Kane Spring, 0.6 mi SE of the U.S. Border Patrol Station at San Felipe Wash bridge. About 3.3 mi SW of the Salton Sea margin -52 Comment
  UCR171224  Encelia frutescens 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
  UCR85093  Encelia frutescens A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16055 Imperial Sonoran (Colorado) Desert, Salton Sink; Travertine Point, W side of Hwy 86 just south of the Riverside County line -31 Comment
  SD201056  Encelia frutescens var. frutescens Margaret R. Mulligan, L. Hendrickson, G. Fleming 2009-10-4 3173 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 20 (SL20), in Palm Wash, site PSOSPI, in wash. 73 Comment
  SD250389  Ephedra aspera A. C. Sanders, Jim Malusa 2015-3-7 41333 Imperial Chocolate Mountains, side canyon west of north fork of Salvation Wash, U. S. Navy Chocolate Mountains Aerial Gunnery Range. 427 Comment
  SDSU3671  Ephedra aspera W. T. Williams 1962-4-8 Imperial 6 miles east of Jacumba, 30 yards north of Highway 80. 1067 Comment
  UC171402  Ephedra aspera Dr. E. A. Mearns 1894-5-7 2956 Imperial e base Coast Range (edge of Colorado Desert) Comment
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Feb 20 2016
  SD143078  Ephedra californica Jon P. Rebman, Mike Simpson 1997-5-28 4127 Imperial Jacumba Wilderness Area, In-Koh-Pah Mountains, Smuggler's Cave area, south of Mountain Spring. (IPB 10/07) Comment
  SD152322  Ephedra californica Jon Rebman, Joan Dowd & Veronica Gallego 2000-4-21 6565 Imperial Inkopah Mountains. Jacumba Wilderness Area 1000 Comment
  SEINET2048870 Image available Ephedra californica Jon P. Rebman, Joan Dowd & Veronica Gallego 2000-4-21 6565 Imperial Inkopah Mountains Jacumba Wilderness Area 1000 Comment
  HSC1315  Ephedra nevadensis C. L. Hitchcock 1966-3-21 24322 Imperial About 7 mi. N of Milpitas Wash and 14 mi. NW of Blythe-Glamis Hwy. Comment
  SD259321  Ephedra nevadensis J. M. Andre 2013-3-4 23825 Imperial Chocolate Mountains; east side of range at end of Imperial Gables Road, 4.2 miles west of Highway 78. Just outside of aerial gunnery range. Comment
  CAS-BOT-BC81755  Ephedra trifurca S. B. Parish 1912-10-18 8222 Imperial Superstition Mt., Colorado Desert 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
  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
  RSA0026131  Ephedra trifurca Deidre Conocchioli, Caitlin Elam 2013-10-2 83 Imperial Sonoran Desert in Algodones Sand Dunes. From Glamis, take Ca-78 W for 6.5 miles. Turn left onto Gecko Rd and travel 4.6 miles to collection site. 81 Comment
  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
  RSA45528  Ephedra trifurca J. C. Roos, Lucille Roos 1949-4-7 4159 Imperial Sand dunes along All-America Canal; about 15 miles southeast of Niland. Comment
  RSA53905  Ephedra trifurca D. F. Howe 1949-3-19 s.n. Imperial Between Holtvill and Yuma. Comment
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Apr 12 2013
  RSA760072  Ephedra trifurca T. La Doux, J. Andre 2009-2-26 199 Imperial Algodones Dunes: west end of Algodones Dunes, along north side of Highway 78 68 Comment
  SBBG35048  Ephedra trifurca T. L. Secrest 1948-4-8 Imperial E of Holtville 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
  SEINET3221261 Image available Ephedra trifurca Kathy Rice 1999-3-21 s.n. Imperial Ca 30 miles west of Yuma on Interstate 8 at Gray Wells exit, south side of road. 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
  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
  UC484269  Ephedra trifurca C. B. Wolf 1931-3-12 1870 Imperial 12 mi nw Westmoreland 0 Comment
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May 14 2013
  UCR142998  Ephedra trifurca F. W. Peirson 1922-4-12 2866 Imperial Sonoran/ Southern Colorado Desert, along Imperial Valley Boulevard near south end of Salton Sea -61 Comment
  UCR171225  Ephedra trifurca 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
  UCR61982  Ephedra trifurca R. M. Beauchamp 1972-3-20 3201 Imperial Sonoran (Colorado) Desert, East side of Imperial Valley, south of Hwy 78. Naval Bombing Range, target 68. 30 Comment
  SDSU3642  Ephedra trifurca Vonnie Varner 1962-4-1 Imperial 15 miles from HWY. 115 off road labeled R-2. Comment
  RSA3456  Eragrostis pectinacea Le Roy Abrams 1904-06 4102 Imperial Along irrigating canels, Helen. Comment
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Apr 28 2014
  CAS-BOT-BC284057  Eragrostis pectinacea var. pectinacea LeRoy Abrams 1904-6-1 4102 Imperial Hefer, Imperial Valley Comment
  RSA432698  Eremalche rotundifolia N. C. Cooper 1949-3-17 3081 Imperial Coyote Wells. 152 Comment
  UCR279054  Eremothera boothii A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-9 42778 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Mammoth Wash, upper canyon c. 5.5 km above Hayden Well 454 Comment
  CAS-BOT-BC160020  Eremothera boothii subsp. condensata W. M. Klein 1958-2-13 94 Imperial 1.0 mi. n. of the turn-off of U.S. 80 on the road to Ogilby Comment
  CAS-BOT-BC160027  Eremothera boothii subsp. condensata C. L. Hitchcock 1968-3-12 25454 Imperial 5 mi. n.w. of Coyote Wells Comment
  SD200465  Eremothera boothii subsp. condensata Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-24 16663 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), near north fork of Big Wash, Site TRICAL on mesas and surrounding hillsides 57 Comment
  SD97432  Eremothera boothii subsp. condensata Grady L. Webster, S. Lynch 1973-3-18 7593 Imperial 4.5 miles northwest of Ocotillo. 244 Comment
  RSA0092015  Eremothera chamaenerioides Jim M. Andre 2015-3-3 31290 Imperial Eastern base of Jacumba Mountains, 1.3 mi. south of Hwy 98, approx. 2 mi. south of Ocotillo. Volcanic gravelly hills at margin of sandy wash at wilderness boundary. 246 Comment
  JEPS22157  Eremothera refracta Rimo Bacigalupi with Paul Hutchison 1958-2-17 6150 Imperial sides of wash below summit of road (Ogilby-Blythe road) over mountains; Palo Verde Mountains 213 Comment
  JEPS22533  Eremothera refracta Rimo Bacigalupi with Paul Hutchison 1958-2-18 6177 Imperial n side of mts. 2.5 mi n road summit on road from Blythe to Ogilby (canyon-side); Palo Verde Mountains 175 Comment
  UC1292626  Eremothera refracta C. L. Hitchcock and C. V. Muhlick 1964-3-21 23231 Imperial wash about 15 mi n Glamis (on road to Blythe) Comment
  RSA0125331  Eremothera refracta R. S. Woglum 1940-3-11 2472 Imperial Southern Sonoran Desert: Chocolate Mountains, Beal Well. Comment
  UCR241285  Eriastrum eremicum A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40812 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, c. 2.4 km SE of Raineys Well 484 Comment
  UCR269670  Eriastrum eremicum A. C. Sanders, Jim Malusa 2016-3-17 42303 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, old Niland-Blythe Rd. between Beal Well and Surveyors Pass, c. 1 mile SW of Surveyors Pass 599 Comment
  CAS-BOT-BC309814  Eriastrum eremicum subsp. eremicum J. Mark Porter 2012-3-30 15078 Imperial About 3 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the W foot of Sugarloaf Mountain 278 Comment
  SD162619  Eriastrum eremicum subsp. eremicum Jon P. Rebman, Mark Miller 2003-5-11 8997 Imperial Jacumba Natural Area (BLM), In-Ko-Pah Mountains, east of Jacumba, just over east of San Diego/Imperial County border & just north of the US/Mex border, north of Elliot Mine. (IPB 10/07) 1139 Comment
  SD73509  Ericameria linearifolia Helen V. Witham 1970-4-19 798 Imperial Frequent, among boulders, Inkopah Mountains, southwest corner of Imperial County. (IPB 10/07) 1200 Comment
  SEINET7989071  Ericameria linearifolia Jon P. Rebman 2000-4-21 6561 Imperial In-Ko-Pah Mountains, Jacumba Wilderness Area Comment
  UC926080  Eriochloa aristata C. Reeder 1944-6-29 1572 Imperial U.S. Yuma Field Station Comment
  RSA788590  Eriodictyon trichocalyx var. lanatum Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3513 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  UC1790221  Eriodictyon trichocalyx var. lanatum Jon Rebman 2003-5-10 8970 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  UCR269726  Eriogonum deflexum A. C. Sanders, Jim Malusa 2016-3-17 42317 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, old Niland-Blythe Rd. between Beal Well and Surveyors Pass, c. 1 mile SW of Surveyors Pass 599 Comment
  RSA652879  Eriogonum deflexum subsp. deflexum John Wallace 1991-5-12 26 Imperial Cibola National Wildlife Refuge; along unimproved dirt levee road. Comment
  CAS-BOT-BC246435  Eriogonum deflexum var. deflexum D. A. Johansen; J. A. Ewan 1932-4-13 7137 Imperial Laguna Dam on Colorado River Comment
  CAS-BOT-BC246440  Eriogonum deflexum var. deflexum LeRoy Abrams 1903-7-27 3996 Imperial Calexico, Imperial Valley Comment
  JEPS100893  Eriogonum deflexum var. deflexum Dean W. Taylor 1998-5-12 16442 Imperial Tarantula Wash, ca. 2.5 miles down the wash south of Highway 78, and ca. 8 miles E of Highway 86 -15 Comment
  RSA302501  Eriogonum deflexum var. deflexum Robert F. Thorne 1977-11-25 50896 Imperial 15 miles N of Yuma along Picacho Rd. (perhaps Senator Wash.) 76 Comment
  RSA336283  Eriogonum deflexum var. deflexum Robert F. Thorne 1978-4-29 52144 Imperial W. of Chocolate Mountains: 1 mile E of Coachella Canal and W of Melson Well. Comment
  SD115616  Eriogonum deflexum var. deflexum Erik Jonsson 1983-4-21 489 Imperial 6.6 miles E of Glamis, N of Hway 78 152 Comment
  SD192007  Eriogonum deflexum var. deflexum Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14470 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  SEINET10479790  Eriogonum deflexum var. deflexum Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 38 Imperial 12.5 miles north of Interstate 8, off Ogilby Road, 10.1 miles east on Hayduke Mine Road. (A278) BLM land. Desert Access Guide Map #21. Sonoran Desert creosote bush-scrub. Along a deep, gravelly wash. 270 Comment
  SEINET3088066 Image available Eriogonum deflexum var. deflexum George K. Helmkamp, E. A. Helmkamp 1998-3-18 2899 Imperial Sonoran (Colorado) Desert; 7 mi. north of Winterhaven on Picacho Rd & 1.7 mi. E on powerline rd. 198 Comment
  SEINET3240154  Eriogonum deflexum var. deflexum Jon Rebman, W. Schmidtmann & V. Marshall 2008-1 14488 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy, 86; Section 10 (SL10), in Grave Wash, Site LARTR1 in arroyo bottom and surrounding embankments. -31 Comment
  CAS-BOT-BC246465  Eriogonum deserticola Marcus E. Jones 1932-4-11 29287 Imperial West of Yuma Comment
  CAS-BOT-BC246472  Eriogonum deserticola F. A. Thackery 1928-5-29 455 Imperial Peg Leg [Pegleg] Sand Dunes, between Holtville and Yuma Comment
  CAS-BOT-BC246473  Eriogonum deserticola D. T. MacDougal 1908-3-20 205 Imperial Obsidian Island, Salton Sea Comment
  CAS-BOT-BC246474  Eriogonum deserticola John H. Thomas 1967-9-8 14103 Imperial Between El Centro and Yuma, near the All American Canal crossing Comment
  CAS-BOT-BC246478  Eriogonum deserticola B. Pitzer 1997-10-19 3349 Imperial Immediately S of Hwy I-8 at the Ogilby Rd entrance 91 Comment
  GMDRC9406  Eriogonum deserticola J. M. Andre 2017-3-4 37248 Imperial Algodones Dunes: 0.2 mi. south of Interstate 8, 0.4 mi. southeast of Ogilby Rd overpass, eastern blowout zone of dune system 66 Comment
  HSC49572  Eriogonum deserticola D. L. Goforth 1979-3-29 72 Imperial 1 mi. S of Cut Across Trail 15 Comment
  JEPS29274  Eriogonum deserticola Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-19 8300 A Imperial sand hills 3.6 mi w of Glamis (just w of Osborne Peak) 91 Comment
  JEPS57039  Eriogonum deserticola W. L. Jepson 1927-4-15 11725 Imperial Sand Hills near Gray's Well; Colorado Desert 60 Comment
  JEPS57040  Eriogonum deserticola I. T. Weeks 1929-8-20 Imperial 12 mi w Grays Well (s of US Hwy 50); Colorado Desert Comment
  LA206746  Eriogonum deserticola F. R. Fosberg; 1932-4-9 7482 Imperial 20 mi E of Haltville Comment
  RSA339613  Eriogonum deserticola K. A. Wagner 1981-7-15 s.n. Imperial Algodones Dunes, 4.6 mi. WSW of Olgilby. 37 Comment
  SBBG28205  Eriogonum deserticola P. H. Raven 1961-10-8 16832 Imperial US Hwy 80, 2 mi E of jct with St Hwy 98 Comment
  SD61060  Eriogonum deserticola Darley F. Howe 1964-8-11 4019 Imperial Sand dunes, 23.1 mi. east of Brawley on road to Glamis Comment
  SEINET2082889  Eriogonum deserticola G. Rink 2003-12-18 2998 Imperial Algodones Dunes, Buttercup area, south of I-8 60 Comment
  UCD99874  Eriogonum deserticola T. R. Van Devender; J. I. Mead 1977-11-8 s.n. Imperial at Algodones Dunes, 17 miles west of Yuma on I-8. Comment
  SEINET4691919  Eriogonum deserticola Duncan S. Bell 2012-1 4359 Imperial Colorado Desert; Chocolate-Chuckwalla Mountains region: Algodones Dunes: north section of dunes, approximately 20 air miles northwest of the junction of Highway 78 and the Southern Pacific Railroad tracks, and approximately 16.5 air miles southeast of Niland. 60 Comment
  CAS-BOT-BC250043  Eriogonum fasciculatum var. polifolium C. B. Wolf 1931-5-29 2189 Imperial 1/2 mile below Mountain Springs 457 Comment
  CAS-BOT-BC250044  Eriogonum fasciculatum var. polifolium E. A. McGregor 1916-7-9 71 Imperial Jacumba-Laguna Mts 762 Comment
  CAS-BOT-BC250048  Eriogonum fasciculatum var. polifolium M. Lagios; T. Briggs 1954-7-5 s.n. Imperial 1 mile from Hill Top Station #1, (e. of Jacumba) Comment
  CAS-BOT-BC257515  Eriogonum inflatum Roxana S. Ferris 1928-4-20 7164 Imperial Near Picacho Peak Comment
  RSA0022079  Eriogonum inflatum Jim Andre 2013-3-3 23964 Imperial Yuha Desert, along Highway 98 approx. 7 miles SE of Ocotillo, just outside Crucifixion Thorn Natural Area. 108 Comment
  SBBG132100  Eriogonum inflatum S. D. White, M. Honer 2003-5-3 9177 Imperial Fish Crk Mtns, unnamed cyn draining SW facing slope of the mtns, S of the operating US Gypsum quarries 152 Comment
  SDSU6542  Eriogonum inflatum B. Mastro 1966-11-4 222 Imperial Near Picacho Peak. Colorado River. North of U. S. 80 Approx. 20 miles. Comment
  UC1292605  Eriogonum inflatum var. deflatum C. L. Hitchcock, C. V. Muhlick 1964-3-21 23226 Imperial about 15 mi n on road to Blythe Glamis Comment
  RSA26854  Eriogonum inflatum var. inflatum I. L. Wiggins 1941-3-25 s.n. Imperial 8.7 miles northeast of Niland, on road to Beal Well and Blythe. Comment
  SEINET10624695  Eriogonum inflatum var. inflatum Greg Gust, Leith Nye 2005-3-4 Gust 477 Imperial Intersection of Hwy 78 and 534 in dry river bed. 312 Comment
  UCR260265  Eriogonum inflatum var. inflatum A. C. Sanders, Jim Malusa 2015-3-6 41284 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
  POM99025  Eriogonum insigne E. C. Jaeger 1924-4-10 s.n. Imperial Fish Mountains; 10 miles west of Harper's Well. Comment
  SD216581  Eriogonum pusillum Ian Cain 2011-3-17 1566 Imperial Along west bound I-8, 3.06km west of intersection with Highway 98 273 Comment
  CAS-BOT-BC252969  Eriogonum reniforme E. A. McGregor 1917-3-1 843 Imperial Between Coyote Wells and Cement Bridge, Colorado Desert Comment
  RSA0013123  Eriogonum reniforme J. Mark Porter, Sarah J. De Groot 2012-4-12 15091 Imperial Palm Canyon Wash, 6.2 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the eastern margin of broad wash. 384 Comment
  SD243968  Eriogonum reniforme Donald Hazlett 1993-3-13 6828 Imperial 2 mi S of Ocotillo Just N of WA 182 Comment
  CAS-BOT-BC263472  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9609 Imperial Sandy desert wash 6 miles northeast of Niland on road to Beal Well Comment
  CAS-BOT-BC263474  Eriogonum thomasii Ira L. Wiggins 1957-3-25 14008 Imperial Canyon 1.7 mi. S. of Hwy. 98 Comment
  CAS-BOT-BC263478  Eriogonum thomasii Roxana S. Ferris 1928-4-19 7117 Imperial 3 miles from Coyote Wells on Dixieland Road Comment
  CAS-BOT-BC263485  Eriogonum thomasii Annie M. Alexander; Louise Kellogg 1941-3-15 1942 Imperial Imperial Gables, 27 miles north of Otilby, Chocolate Mountains 414 Comment
  CDA22663  Eriogonum thomasii T. C. Fuller 1962-4-4 8059 Imperial Highway 98 to Calexico, 16.0 miles east of Ocotillo. 0 Comment
  JEPS22178  Eriogonum thomasii Rimo Bacigalupi with Paul Hutchison 1958-2-17 6130 -A Imperial in wash 1 1/2 mi s Gold Rock Ranch (on road from Ogilby to Blythe by way of Midway Well); Colorado Desert 137 Comment
  POM224142  Eriogonum thomasii A. M. Alexander, Louise Kellogg 1941-3-15 1942 Imperial Chocolate Mountains, Colorado Desert. Imperial Gables, 27 miles north of Ogilby. 415 Comment
  RSA27443  Eriogonum thomasii I. L. Wiggins 1941-3-24 s.n. Imperial 6 miles northeast of Niland on road to Beal Well. Comment
  RSA289314  Eriogonum thomasii Charles Convis 1980-4-10 173 Imperial Colorado Desert, Western Salton Basin, 27 km due WNW of Westmorland. Flats 0-2 km E of confluence of Carrizo and San Filipe Creeks. -35 Comment
  SD143780  Eriogonum thomasii G. K. Helmkamp, E. A. Helmkamp 1998-3-18 2879 Imperial 4.7 miles north of Winterhaven, on Picacho Road and 1 mile northwest of the All American Canal. (IPB 10/07) 75 Comment
  SD192015  Eriogonum thomasii Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14577 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
  SD200180  Eriogonum thomasii Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16357 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 5 (SP5), Verbena Wash, in rocky arroyo and surrounding rocky mesas 79 Comment
  UCR151419  Eriogonum thomasii LeRoy Gross, V. Arvizu, Sarah De Groot, Lisa Rojas, T. Thibault 2004-5-13 1274 Imperial Colorado Desert; Chocolate-Chuckwalla Mtns region, Chocolate Mountains (Chocolate Mountains Aerial Gunnery Range). North of Lion Head Mountain, near Beal Well. Surrounding desert off of Beal Rd 400 Comment
  UCR265871  Eriogonum thomasii Mitch Provance 2008-3-15 10121 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
  UCR38114  Eriogonum thomasii A. C. Sanders 1985-3-24 5410 Imperial Sonoran (Colorado) Desert, Borrego Badlands, along Hwy S-22, the Borrego-Salton Seaway, SE end of the Santa Rosa Mts, c. 1/2 mile east of Anza-Borrego State Park boundary 61 Comment
  CDA22665  Eriogonum trichopes T. C. Fuller 1962-4-4 8004 Imperial West of Highway 99 [later renumbered Highway 86] to Indio, 24.7 miles northwest of Westmoreland. 0 Comment
  OBI69997  Eriogonum trichopes A. C. Sanders, Pitzer, Wright, Charlton, Weir, Bramlett, et al 1986-3-8 6177 Imperial Yuha Desert, ca 5 mi airline S of Plaster City, in fossil oyster beds along a dirt rd ca 5 mi S of the Dunaway Rd exit off hwy I-8 61 Comment
  SD17510  Eriogonum trichopes Allan Keller 1937-4-10 Imperial Carrizo Wash Comment
  SD260290  Eriogonum trichopes Mitch Provance 2008-3-15 10112 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. 292 Comment
  SEINET10389887  Eriogonum trichopes A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-14 42190 Imperial Chocolate Mountains, c. 0.42 km north of Beal Well along old Niland-Blythe Rd. 422 Comment
  UCR165634  Eriogonum trichopes John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 15 and 16, c. 2 miles NE of Frink and c. 10 miles east of Bertram 23 Comment
  SEINET7288892  Eriogonum trichopes var. trichopes Russell S. Woglum 1939-4-14 2248 Imperial Chocolate Mountains, south end. Nyland to Blythe, near Beal's Well. Comment
  SD143020  Eriophyllum confertiflorum var. confertiflorum Jon P. Rebman, Mike Simpson 1997-5-28 4132 Imperial Jacumba Wilderness Area, In-Koh-Pah Mountains, Smuggler's Cave area, south of Mountain Spring, along US/Mexican border. (IPB 10/07) Comment
  UC665911  Eriophyllum lanosum Ira L. Wiggins 1941-3-25 9644 Imperial desert slope along small washes on e side of Chocolate Mountains (11.3 mi ne of Beal Well) Comment
  JEPS5425  Eriophyllum wallacei W. L. Jepson 1927-4-17 11795 Imperial foot of Mountain Springs Grade (Myers Creek bridge) 243 Comment
Read comments
Apr 3 2008
  SD79835  Eriophyllum wallacei Helen V. Witham 1970-4-19 785 a Imperial Southwest corner of Imperial County, near In-ko-pah. 1200 Comment
  SDSU4121  Eriophyllum wallacei H. Wedberg 1966-3-26 1141 Imperial At 2,000' sign, about 8 mi. from Jacumba on the road to El Centro. 610 Comment
  UC1787745  Eriophyllum wallacei Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7232 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at top of grade along road to Valley of the Moon, just E of the microwave towers. 1200 Comment
  SD200029  Erodium cicutarium Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-25 16722 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides 136 Comment
  UCR63888  Erodium cicutarium B. G. Pitzer 1989-4-15 1265 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Gasline Road, 8.1 mi. north of Seal Camp (Siphon 10) 400 Comment
  RSA0020671  Erodium texanum Jim Andre 2013-3-3 23955 Imperial Yuha Desert, along Highway 98 approx. 7 miles SE of Ocotillo, just outside Crucifixion Thorn Natural Area. 108 Comment
  UCR269521  Erodium texanum A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42062 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, head of Mammoth Wash, above 'slot' canyon in upper gorge 488 Comment
  CDA36195  Eruca vesicaria subsp. sativa A. C. Sanders 2010-2-2 37307 Imperial Sonoran (Colorado) Desert; Colorado River Valley; Bard Valley, Ross Rd. at drainage ditch crossing, west of Bard between Ross Corner and Picacho Rd. Comment
  UCR212501  Eruca vesicaria subsp. sativa A. C. Sanders 2010-2-18 37277 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Hwy S-24 NE of Bard 43 Comment
  CDA3716  Eruca vesicaria subsp. sativa W. S. Ball 1936-2-2 Imperial 0 Comment
  UCR279055  Eschscholzia A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-9 42779 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Mammoth Wash, upper canyon c. 5.5 km above Hayden Well 454 Comment
  RSA0022970  Eschscholzia androuxii Edwin Kline 1920-3-28 14771 Imperial Colorado Desert Comment
  RSA124243  Eschscholzia glyptosperma E. K. Balls, Percy C. Everett 1958-3-20 22929 Imperial 13.7 miles NW from Ogilby on road to Blythe 244 Comment
  UCR279489  Eschscholzia glyptosperma A. C. Sanders, Jim Malusa 2017-3-25 43031 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, on Niland-Blythe Rd. near top of Surveyors Pass 660 Comment
  CAS-BOT-BC91569  Eschscholzia minutiflora D. A. Johansen; J. A. Ewan 1932-4-14 7148 Imperial 0.5 mile west of Coyote Well, Colorado Desert. Comment
  RSA617861  Eschscholzia minutiflora Walter Wisura 1998-3-28 5118 Imperial Milpitas Wash. 27.15 mi S of I-10 along Wiley Well Rd. Comment
  SD143752  Eschscholzia minutiflora G. K. Helmkamp, E. A. Helmkamp 1998-3-18 2878 Imperial 4.7 miles north of Winterhaven on Picacho Road and 1.0 mile northwest of the All-American Canal. 75 Comment
  SD200470  Eschscholzia minutiflora Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-25 16689 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides 136 Comment
  SD242903  Eschscholzia minutiflora 1998-3-3 Imperial Pinto Wash Comment
  SEINET10389778  Eschscholzia minutiflora A. C. Sanders, Jim Malusa 2015-3-6 41298 Imperial Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 326 Comment
  SEINET3108816  Eschscholzia minutiflora Sears 1978-3-14 700 Imperial 7 mi NW of US 80, 8 mi NW of Winterhaven; Picacho Road just across All American Canal in Picacho Wash. 55 Comment
  SEINET5574653  Eschscholzia minutiflora Steven P. McLaughlin 1998-1 7396 Imperial Along Sidewinder Road south of Cargo Muchacho Mountains, sandy soil with Olneya tesota, Larrea tridentata, Encelia farinosa. 220 Comment
  UCR268797  Eschscholzia minutiflora Jim Andre 2015-3-3 31304 Imperial Sonoran (Colorado) Desert, eastern base of Jacumba Mountains, 1.3 mi south of Hwy 98, c. 2 mi south of Ocotillo 246 Comment
  SEINET10476368  Eschscholzia minutiflora David B. Dunn 1941-4-12 Dunn 1164 Imperial Box canyon mouth, in hard sandy wash. North east end of salton sea nearby-5 mi. Comment
  PASA456  Eschscholzia minutiflora var. parishii 1928-3-3 Imperial Hidden Springs, Colorado desert Comment
Read comments
Aug 27 2016
  GMDRC5757  Eschscholzia parishii J. M. Andre 2013-3-4 23838 Imperial along Hwy 78, south of Palo Verde Mtns at Milpitas Wash 216 Comment
  SD242905  Eschscholzia parishii 1993-3-11 Imperial Shell Canyon Comment
  SD254665  Eschscholzia parishii A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42020 Imperial Sonoran (Colorado) Desert: Hayden Well on Mammoth Wash, Chocolate Mountains (Tortuga 7.5'Q) 284 Comment
  SD83091  Eschscholzia parishii Helen V. Witham 1972-12-12 1764 Imperial Painted Gorge. 149 Comment
  UC809706  Eschscholzia parishii E. K. Balls 1949-4-3 12918 Imperial 8 mi along road from Niland to Blythe; Colorado Desert 152 Comment
  UCR254571  Eschscholzia parishii Jon P. Rebman, Jim Rocks 2005-2-10 10934 Imperial Sonoran (Colorado) Desert, Little Picacho Wilderness Area (BLM Property), north of Winterhaven, SW of Colorado River, c. 18 miles N of S24 on Picacho Rd., just south of the Picacho State Recreation Area 195 Comment
  UCR269538  Eschscholzia parishii A. C. Sanders, Jim Malusa 2016-3-8 42149 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, near E.O.D. Camp Burt, eastern edge of Chocolate Mtns. Aerial Gunnery Range, wash crossing Skyline Dr., 0.45 km north of Dietz Rd. 320 Comment
  UCR269748  Eschscholzia parishii A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42229 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0-0.4 km east of old Niland-Blythe Rd. 442 Comment
  UCR279444  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-26 43078 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Rock Quarry in sec. 8, north of Frink, along dirt road above Siphon 17 of the Coachella Canal 122 Comment
  UCR85146  Eschscholzia parishii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16044 Imperial Sonoran (Colorado) Desert, Salton Sink; Travertine Point, W side of Hwy 86 just south of the Riverside County line -31 Comment
  RSA0044687  Eucrypta chrysanthemifolia var. bipinnatifida Jon P. Rebman, Mark Miller 2003-5-10 8981 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border and just N of the US/Mex border. 1220 Comment
  SD155783  Eucrypta chrysanthemifolia var. chrysanthemifolia Jon P. Rebman 2001-3-14 7139 Imperial Jacumba Natural Area, In-Ko-Pah Mountains. (IPB 10/07) 975 Comment
  SD115564  Eucrypta micrantha Duffie Clemons, Erik Jonsson 1983-4-5 437 Imperial [North of Skull Valley] Coyote Wells quad 182 Comment
Read comments
Oct 9 2010
  SD200427  Eucrypta micrantha Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-24 16674 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), near north fork of Big Wash, Site TRICAL on mesas and surrounding hillsides 57 Comment
  SD200428  Eucrypta micrantha Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16613 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
  SEINET10389860  Eucrypta micrantha A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42032 Imperial ENE of Hayden Well on Mammoth Wash, Chocolate Mountains 291 Comment
  UCR249698  Eucrypta micrantha T. B. Salvato, Tim Thomas 2013-3-6 7273 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 2 km south of Rainey Well 511 Comment
  JEPS31748  Eulobus californicus W. L. Jepson 1927-4-16 11753 Imperial alkaline plain e Coyote Wells; Colorado Desert 60 Comment
  SD191962  Eulobus californicus Jon Rebman, W. Schmidtmann, L. Hendrickson, & L. L. Jee 2008-4-9 14413 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, 5.6 miles W of Hwy. 86; Section 18 (SL18), Grave Wash, Site OLILIN in arroyo bottom and surrounding embankments 71 Comment
  SD1979  Eulobus californicus Ralph W. Sumner 1920-1 Imperial Mountain Springs Comment
  SD250679  Euphorbia abramsiana Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28746 Imperial Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 132 Comment
  SD128212  Euphorbia eriantha Duffie Clemons, Erik Jonsson, Michael Curto 1989-9-22 2257 Imperial dry stony drainages of desert flat west of Hill 1403 & Indian Pass Road 299 Comment
  UCD142346  Euphorbia eriantha C. L. Hitchcock 1966-3-20 24302 Imperial About 15 mi. N. of Ogilby, along rd. to Blythe. Comment
  UCR264796  Euphorbia eriantha Jon P. Rebman, J. LaGrange, Warren Schmidtmann 2014-9-24 28702 Imperial Sonoran (Colorado) Desert, northeast of the Algodonnes Dunes, along Ogilby Road (S34) between I-8 and Hwy 78, in wash just south of Indian Pass Road 190 Comment
  UCR269763  Euphorbia eriantha A. C. Sanders, Jim Malusa 2016-3-17 42345 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass 629 Comment
  UCR63887  Euphorbia eriantha B. G. Pitzer 1989-4-15 1272 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Gasline Road, 8.1 mi. north of Seal Camp (Siphon 10) 400 Comment
  SD95998  Euphorbia micromera Grady L. Webster, S. Lynch 1973-3-18 7586 Imperial 2.3 miles north of Ocotillo. 149 Comment
  JEPS123652  Euphorbia pediculifera J. Andre, T. La Doux 2009-2-26 9892 Imperial Palo Verde Mountains, along major power line corridor (Palo Verde Road) that runs north-south through mountains. Comment
  SD122403  Euphorbia pediculifera Duffie Clemons, Erik Jonsson 1987-11-12 1901 Imperial Palm Canyon Wash, in -Ko-Pah Gorge quad. 239 Comment
  SD124709  Euphorbia pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett 1986-3-9 6231 Imperial Painted Gorge, 5.1 miles north of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo, sparse creosote bush scrub in a canyon in marine sediments of gypsum rich clays 149 Comment
  SD143925  Euphorbia pediculifera G. K. Helmkamp, E. A. Helmkamp 1998-3-19 2934 Imperial Colorado Desert, Imperial Dam area just south of the dam on Hwy S-24 in rocky wash; 11SQG-3E 4N UTM10km cell 75 Comment
  UCR211182  Euphorbia pediculifera Jim Andre, T. La Doux 2009-2-26 9892 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, along major powerline corridor (Palo Verde Road) that runs north-south through mountains, c. 1 mile south of pass 182 Comment
  UCR41749  Euphorbia pediculifera A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6231 Imperial Sonoran (Colorado) Desert, Painted Gorge, 5.1 mi north of S-80 on Painted Gorge Road, c. 5 mi NE of Ocotillo 152 Comment
  RSA0121660  Euphorbia platysperma H. de Forest, Jack Reupelt 1933-4-9 18314 Imperial Supersition Mountains, Colorado Desert. Comment
Read comments
Jan 8 2019
  RSA785427  Euphorbia polycarpa Doris Bowers 1967-12-20 810 Imperial Colorado Desert 183 Comment
  SD190632  Euphorbia polycarpa Larry Hendrickson, Jon Rebman. 2005-4-15 3135 Imperial Picacho State Recreation Area, adjacent to maintenance yard. 71 Comment
  SD191891  Euphorbia polycarpa Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14585 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
  SD201080  Euphorbia polycarpa Margaret R. Mulligan, L. Hendrickson, G. Fleming 2009-10-2 3127 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 26, in Amerosa Wash, site KRAERE. 49 Comment
  UCD142699  Euphorbia polycarpa Robert F. Thorne; et al. 1977-11-26 50919 Imperial Colorado Desert: Near junction of Hwy. 18 and Obilby Rd., just E. of Algodones Dunes. Comment
  UCD77525  Euphorbia polycarpa Robert E. Preston 1997-11-12 1066 Imperial Mesquite Mine 249 Comment
  UCR102041  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3341 Imperial Sonoran (Colorado) Desert, Pilot Knob Mesa; Ogilby Road, c. 0.5 mi. north of Hwy I-8 at powerline road (which heads E) 91 Comment
  UCR107978  Euphorbia polycarpa Jon P. Rebman, Adrienne Russell 1997-9-6 4197 Imperial Yuha Desert, West of Plaster City, along Hwy S-80, north of Interstate 8. 20 Comment
  UCR139729  Euphorbia polycarpa B. G. Pitzer 1989-4-15 1270 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Gasline Road, 8.1 mi. north of Seal Camp (Siphon 10) 400 Comment
  UCR166072  Euphorbia polycarpa John F. Green 2005-4-7 s.n. Imperial Sonoran (Colorado) Desert, E of Salton Sea, just south of Coachella Canal siphon 7, east of Camp Dunlap 30 Comment
  UCR264454  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2015-9-7 41798 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 5.5 miles due west of the south end of the Little Mule Mountains, along the road from 'Camp Burt' to new target at 'Invader', wash crossing near road junction to Salvation Pass 401 Comment
  UCR266769  Euphorbia polycarpa A. C. Sanders, J. Malusa 2016-1-22 41948 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range 412 Comment
  UCR276022  Euphorbia polycarpa Jim Andre 2016-3-6 34844 Imperial Santa Rosa Mountains, base of southeastern end of range, west of Coolidg Spring Road, 0.7 mile west of Hwy 86, c. 1.5 miles west of Salton Sea at 'Desert Shores -11 Comment
  POM122545  Euphorbia polycarpa var. hirtella Marcus E. Jones 1924-2-7 s.n Imperial Chocolate Mountains, Colorado Desert. Comment
  UCR264208  Euphorbia serpens A. C. Sanders 2015-9-9 41834 Imperial Sonoran (Colorado) Desert, Imperial Valley, Calipatria, at Calipatria Inn on Hwy 111 at north edge of town -56 Comment
  SD143923  Euphorbia setiloba G. K. Helmkamp, E. Helmkamp 1998-1-17 2554 Imperial Salton Sea ca. 2.0 miles northwest of Salton City at the end of Treadwell St. -60 Comment
  UCD77518  Euphorbia setiloba Robert E. Preston 1997-11-12 1067 Imperial Mesquite Mine 242 Comment
  UCR103638  Euphorbia setiloba George K. Helmkamp, E. Helmkamp 1998-1-24 2603 Imperial Sonoran (Colorado) Desert, Ogilby Rd, 14.2 mi. south of the junction with Calif. Hwy 78, vicinity of Tumco Wash 183 Comment
  UCR211169  Euphorbia setiloba Jim Andre, T. La Doux 2009-2-26 9878 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, along major powerline corridor (Palo Verde Road) that runs north-south through mountains, c. 1 mile south of pass 182 Comment
  UCR245774  Euphorbia setiloba Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons, Anh Phan 2012-11-17 4405 Imperial Peninsular Range, Jacumba Mountains; within the Jacumba Mountain Wilderness, c. 3.25 air miles northeast of Mountain Spring or c. 1.25 air miles north of Myer Valley 418 Comment
  RSA392128  Eustoma exaltatum T. W. Minthorn 1927-6-21 s.n. Imperial Near Westmoreland [Westmorland]. 152 Comment
  UCR163166  Eustoma exaltatum Sue Bell 1997-3-16 229 Imperial Colorado Desert; Northern Colorado Desert Region, Squaw Lake Comment
  UCR58759  Eustoma exaltatum Mike Kaszuba, Michelle Braun 1989-5-21 s.n. Imperial Sonoran (Colorado) Desert, Yuha Desert, oasis in Pinto Canyon 457 Comment
  CAS-BOT-BC167355  Fagonia laevis C. B. Wolf 1931-5-29 2187 Imperial 3 miles above base of Mountain Springs Grade, west side of Colorado Desert 304 Comment
  JEPS23076  Fagonia laevis Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1829 Imperial 1 mi n Palo Verde to Ogilby road summit; Palo Verde Mountains 198 Comment
  POM84611  Fagonia laevis Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma. Comment
  RSA124326  Fagonia laevis E. K. Balls, Percy C. Everett 1958-3-20 22917 Imperial Ogilby. 107 Comment
  RSA489397  Fagonia laevis George K. Helmkamp 1988-2-28 s.n. Imperial Sandy flat just N of Signal Mtn., S of Hwy 98. [Mount Signal 10 km cell; PG-1N, 2E] 30 Comment
  SD242989  Fagonia laevis 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  SEINET10389784  Fagonia laevis A. C. Sanders, Jim Malusa 2015-3-7 41317 Imperial Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  SEINET5580532  Fagonia laevis Steven P. McLaughlin 1998-1 7381 Imperial Along road to Picacho State Rec. Area, desert pavement and Larrea divaricata, Olneya tesota. 130 Comment
  SEINET885161  Fagonia laevis Ed LaRue 1991-1 91 -57 Imperial 6 mi north of Cargo Muchacho Mountains, 7-8 mi. north of Hedges. In and adjacent to Indian Wash. 243 Comment
  UCD83506  Fagonia laevis Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5846 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
  UCR120078  Fagonia laevis Jon P. Rebman, A. Salywon, C. M. Christy 1998-3-21 4918 Imperial Sonoran (Colorado) Desert, Davies Valley Area: south of Ocotillo and south of Hwy 98 150 Comment
  UCR212939  Fagonia laevis A. C. Sanders 2010-3-25 37594 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, upper English Road at bend around end of fig orchard, c. 6 mi. NNW of Niland 10 Comment
  UCR269723  Fagonia laevis A. C. Sanders, Jim Malusa 2016-3-16 42276 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd. at powerlines, 2.6 km NNW of Beal Well 472 Comment
  UCR48420  Fagonia laevis Steve Boyd 1986-2-6 1228 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  JEPS43398  Fagonia pachyacantha L. M. Newlon 1922-4-1 400 Imperial near Coyote Wells; Colorado Desert Comment
  RSA696087  Fagonia pachyacantha LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1266 -a Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). North of Lion Head Mountain, near Beal Well. Surrounding desert off of Beal Road. 400 Comment
  RSA709588  Fagonia pachyacantha Scott D. White, Jennifer H. Jones 2005-4-19 10960 Imperial Fish Creek Mountains. 152 Comment
  SD192063  Fagonia pachyacantha Jon Rebman, W. Schmidtmann, L. Hendrickson, & L. L. Jee 2008-4-9 14415 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, 5.6 miles W of Hwy. 86; Section 18 (SL18), Grave Wash, Site OLILIN in arroyo bottom and surrounding embankments 71 Comment
  SD200231  Fagonia pachyacantha Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16367 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 5 (SP5), Verbena Wash, in rocky arroyo and surrounding rocky mesas 79 Comment
  SD200519  Fagonia pachyacantha Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16787 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 14 (SL14), NW of Tetherball Hill in Coral Wash, Site AMBSAL in dried mud and sand arroyo and surrounding hillsides 6 Comment
  SDSU11511  Fagonia pachyacantha Gina E. Moran 1992-3-13 13 III92C Imperial Along Hwy 98, .5 mile south of S2 25 feet south of road. 119 Comment
  UCR265862  Ferocactus cylindraceus Mitch Provance 2008-3-15 10088 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
  RSA721457  Ferocactus cylindraceus var. cylindraceus Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-13 4334 Imperial Chocolate Mountains: Along Beal road, bajada just SW of mountains. 184 Comment
  SD148411  Ferocactus cylindraceus var. lecontei Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6505 Imperial Mountain Springs Grade, near I-8 exit. (IPB 10/07) 700 Comment
  SD161419  Festuca octoflora Jon P. Rebman, Jim Rocks 2005-2-10 10943 Imperial Little Picacho Wilderness Area (BLM property), north of Winterhaven, southwest of Colorado River, approximately 18 miles north of S24, on Picacho Road; just south of the Picacho State Recreation Area. (IPB 10/07) 195 Comment
  RSA706303  Filago californica J. P. Rebman, Mark Miller 2003-5-11 8993 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial Bounty border and N of the US/Mex border, N of Elliot Mine. 1140 Comment
  CAS-BOT-BC112386  Fimbristylis vahlii Samuel B. Parish 1912-10-21 8378 Imperial Sand bar, Colorado River, Ft. Yuma. Comment
  RSA182252  Fouquieria splendens James Henrickson 1965-1-27 s.n. Imperial Along hy S2 near Anza-Borrego State Park. 2.1 N of Indian Gorge crossing. Comment
  RSA289735  Fouquieria splendens Lyman Benson 1933-4-1 4219 Imperial US 80, 5 mile W of Fort Yuma, Yuma Desert 30 Comment
  SEINET3379040  Fouquieria splendens Stephanie Anderson 2009-1 86 Imperial Imperial Valley, El Centro vicinity, in fields off La Bruchiere Highway, ca. 2 miles N of Mexicali. -2 Comment
  CAS-BOT-BC223591  Fouquieria splendens subsp. splendens E. A. McGregor 1917-3-17 711 Imperial Colorado Desert. West of Fig Tree Johns, Salton Sink Comment
  RSA0085589  Fouquieria splendens subsp. splendens Jim M. Andre 2015-3-3 31279 Imperial Eastern base of Jacumba Mountains, 1.3 mi. south of Hwy 98, approx. 2 mi. south of Ocotillo. Volcanic gravelly hills at margin of sandy wash at wilderness boundary. 246 Comment
  RSA700266  Fouquieria splendens subsp. splendens LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1229 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  SD191920  Fouquieria splendens subsp. splendens Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14523 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
  UCD117403  Fouquieria splendens subsp. splendens Anne Harrison 1962-4-19 40 Imperial 0.5 mile south of entrance of Anza-Borrego Desert State Park, Aqua Caliente Road. Comment
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Sep 14 2016
  SD144340  Fremontodendron californicum subsp. californicum Jon P. Rebman, Melanie Howe 1997-4-5 3913 Imperial Jacumba Natural Area: E of Jacumba and SE of Inkopah: Smuggler's Cave area 900 Comment
  RSA70348  Funastrum hirtellum F. W. Peirson 1928-4-22 7879 Imperial Foot of rocky walls of the Narrows, San Felipe Creek. [San Diego Co.] Comment
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Aug 22 2014
  SD250424  Funastrum hirtellum A. C. Sanders, Jim Malusa 2015-3-6 41295 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, middle part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range (Lion Head Mountain 7.5'Q) 401 Comment
  SD260167  Funastrum hirtellum A. C. Sanders, Jim Malusa, A. Baker, Michelle Cloud-Hughes 2016-3-4 42018 Imperial Sonoran (Colorado) Desert: Hayden Well on Mammoth Wash, Chocolate Mountains (Tortuga 7.5'Q) 284 Comment
  SD260168  Funastrum hirtellum A. C. Sanders, Jim Malusa, A. Baker, Michelle Cloud-Hughes 2016-3-15 42219 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, c. 0.8 km NE of BeaL Well and c. 0-0.4 km east of old Niland-Blythe Rd. (Lion Head Mountain 7.5'Q) 427 Comment
  SEINET13237220  Funastrum hirtellum A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-19 41901 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
  SEINET8071656 Image available Funastrum hirtellum Andrew C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40384 Imperial Sonoran (Colorado) Desert; BLM Rd. 999, along Chocolate Mtns. Aerial Gunnery Range boundary, 5.45 km S (181 deg. ) of Rainey's Well 487 Comment
  UC1929847  Funastrum hirtellum Scott D. White, Michael Honer 2003-3-28 8879 Imperial FISH CREEK MOUNTAINS: Unnamed wash between Fisk Ck Mts and Split Mountain (San Diego Co.), ca 10 road miles S of Ocotillo Wells on Split Mtn Rd. South of existing US Gypsum quarry area. Proposed for future gypsum mining. Comment
  SEINET8196630  Galium angustifolium Duncan S. Bell, Kim Clark, Stacy Goss & Karen Rusiniak 2012-1 3486 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. (In-Ko-Pah Gorge OE S. 1280 Comment
  RSA0096552  Galium angustifolium subsp. gracillimum Duncan S. Bell, Evan Meyer, James Riley 2015-5-6 8227 Imperial Jacumba Mountains; collecting in the Jacumba Wilderness around the Blue Angel peak area just north of the U.S./Mexico border. 1295 Comment
  RSA48293  Galium stellatum E. K. Balls 1949-4-3 12927 Imperial Beal Well on road from Niland to Blyther, Colorado Desert. 457 Comment
  SD83096  Galium stellatum Helen V. Witham 1972-12-12 1757 Imperial Painted Gorge 149 Comment
  JEPS33537  Geraea canescens W. L. Jepson 1935-4-20 17088 Imperial Baileys Well, betw. Harper Well and Borrego Sprs.; w Imperial County, Baileys Well 3 Comment
  POM358648  Geraea canescens N. C. Cooper 1949-3-17 3074 Imperial Seeley -13 Comment
  RSA336136  Geraea canescens R. F. Thorne 1978-4-29 52088 Imperial Near Salton Sea: along Hwy 86 near entrance to Salton Sea Naval Base, SSE of Salton Sea -61 Comment
  RSA591810  Geraea canescens Gary D. Wallace 1968-2-22 809 Imperial SW part of the county; along Hwy 80, just east of Ocotillo Comment
  SD120985  Geraea canescens Duffie Clemons, Erik Jonsson 1987-4-14 1689 Imperial Indian Pass, Chocolate Mountains 305 Comment
  SD156694  Geraea canescens Unknown 1939-3-12 Imperial Plaster City Comment
  SD173212  Geraea canescens Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-4-14 1923 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
  SD242701  Geraea canescens 1993-3-11 Imperial Poleline Rd South of Plaster City, between Evan Hewes and I-8 Comment
  UC519701  Geraea canescens Victor Duran 1932-5-8 3190 Imperial near Dixieland Comment
  UC527490  Geraea canescens C. B. Wolf 1931-5-29 2182 Imperial 1 mi w Dixieland; Colorado Desert 30 Comment
  UCR104851  Geraea canescens George K. Helmkamp, E. Helmkamp 1998-1-24 2579 Imperial Sonoran (Colorado) Desert, between Hwy I-8 & the All-American Canal across from the Brock Research Center (c. 3 mi. east of the jct of Calif. Hwy 98 with Hwy I-8) 46 Comment
  UCR120093  Geraea canescens Jon P. Rebman, A. Salywon, C. M. Christy 1998-3-22 4944 Imperial Sonoran, NW of Yuma, AZ; N end of Cargo Muchacho Mtns, south of Indian Pass Road and c. 1 mi east of Ogilby Road. 240 Comment
  UCR252832  Geraea canescens Jim Andre 2013-3-3 23980 Imperial Sonoran (Colorado) Desert, along frontage road at RR tracks, just N of Hwy I-8, just west of Winterhaven, c. 3 mi NW of Yuma, AZ 40 Comment
  RSA0036274  Geraea canescens M. B. Dunkle 1932-3-26 2942 Imperial East of Salton Sea, near Kane Springs, Colorado Desert. Comment
  RSA93764  Geraea canescens F. W. Peirson 1922-4-12 4239 Imperial 28 miles south of Coachella. Comment
  RSA0060658  Gilia maculata Duncan S. Bell 2012-3-23 3266 Imperial Jacumba Mountains; eastern base of range; Palm Canyon Wash, approximately 3 air miles southeast of Dos Cabezas, and about 0.8 air mile east of the San Diego/Imperial county boarder. 344 Comment
  RSA0094619  Gilia scopulorum Duncan S. Bell, Evan Meyer, James Riley 2015-5-6 8204 Imperial Jacumba Mountains; collecting in the Jacumba Wilderness around the Blue Angel peak area just north of the U.S./Mexico border. 1295 Comment
  RSA0024632  Gilia stellata J. Andre 2013-3-4 23835 Imperial Along Highway 78, south of Palo Verde Mtns. at Milpitas Wash. 216 Comment
  SBBG107094  Gilia stellata D. Hazlett 1993-3-13 6823 Imperial 3 mi S of Ocotillo in Davies Cyn 182 Comment
  SD200132  Gilia stellata Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16489 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
  SD260103  Gilia stellata J. M. Andre 2013-3-4 23835 Imperial Along Hwy 78, south of Palo Verde Mtns at Milpitas Wash. 216 Comment
  SEINET10389901  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-17 42328 Imperial Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. at west side of Surveyors Pass 663 Comment
  RSA387414  Guillenia lasiophylla Steve Boyd 1986-2-6 1241 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
  RSA681363  Guillenia lasiophylla Scott D. White, Michael Honer 2003-3-28 8883 Imperial Unnamed wash between Fish Ck Mts and Split Mountain (San Diego Co.), ca. 10 road miles S of Ocotillo Wells on Split Mtn Rd. South of existing US Gypsum quarry area. Proposed for future gypsym mining. 152 Comment
  CAS-BOT-BC308502  Gutierrezia sarothrae Meredith A. Lane 1982-10-11 3016 Imperial 55.5 km (34.5 mi) W of El Centro on Interstate 8 335 Comment
  UCR109575  Haplopappus acradenius 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
  UCD132812  Helianthus annuus D. W. Ragsdale 1957-6-5 18 Imperial Bard Valley. Comment
  UCR101688  Helianthus annuus B. G. Pitzer 1998-2-2 3516 Imperial Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park 61 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
  LA102382  Helianthus niveus subsp. tephrodes John C. Roos; 1949-4-7 4168 Imperial sand hills W of Yuma 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
  RSA781206  Heliotropium curassavicum A. C. Sanders 2010-2-20 37314 Imperial Imperial Valley, c. 6 mi. NE of Holtville, Highline Road at Boyd Rd. -3 Comment
  UCR202204  Heliotropium curassavicum Larry Hendrickson, Jon P. Rebman, et al. 2005-4-16 3196 Imperial Sonoran (Colorado) Desert, Picacho State Recreation Area, Upper Dock, south side of the Colorado River 62 Comment
  SD141421  Heliotropium curassavicum var. oculatum Suzanne Bell 1997-3-16 233 Imperial Squaw Lake Comment
  SD190621  Heliotropium curassavicum var. oculatum Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3196 Imperial Picacho State Recreation Area, Upper Dock, south side of Colorado River. 61 Comment
  SD262232  Heliotropium curassavicum var. oculatum Onkar Sing, B. Huttar 2015-3-18 5114 Imperial Sonoran Desert, Imperial Valley, Naval Air Facility El Centro, southeast corner of Parachute Drop Test Range, ca. 10 Km NE of Plaster City. -10 Comment
  SD199741  Hesperocallis undulata Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16386 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
  SD242636  Hesperocallis undulata Andrea Laltoo 2005-2-18 16 Imperial Yuha Desert Area of Critical Environmental Concern, wash to SW side of route 353, between route 346 and the Shellbeds campground road 38 Comment
  SD575  Hesperocallis undulata Unknown 1917-4-18 18 30 Imperial Coyote Wells, Colorado Desert. Comment
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Oct 9 2010
  SEINET3103514  Hesperocallis undulata Sears 1978-3-15 746 Imperial 40 mi. E. of El Centro, 3 mi. E. of Jct. 98 on Hwy 80. Broad sandy plains. 40 Comment
  SEINET3218789 Image available Hesperocallis undulata W. H. Earle, Rodney Engard 1973-3-3 30 Imperial Rt. 98, 6 1/2 mi. west of Calexico turnoff. Comment
  UC724359  Hesperocallis undulata Aven and Ruth Nelson 1939-3-23 3228 Imperial w side of Salton Sea Salton Sea Comment
  UCR9232  Hesperocallis undulata D. H. Wilken, G. D. Wallace 1966-3-5 681 Imperial Sonoran (Colorado) Desert, Yuma Desert, Pinto Wash west of Calexico 0 Comment
  UCSB12185  Hesperocallis undulata Breedlove, Dennis 1962-3-10 Imperial northeast end of Coyote Wells; at junction of road to Borrego Desert State Park and U.S. 80 121 Comment
  UCSB12276  Hesperocallis undulata Tarwater, Shirley 1961-3-4 Imperial 12 miles West of Calexico, 1 mile from West Side Main Canal; on Hwy 89 Comment
  CAS-BOT-BC203337  Hibiscus denudatus Annie M. Alexander; Louise Kellogg 1941-5-28 2250 Imperial Colorado Desert. Palo Verde Mountains 213 Comment
  CAS-BOT-BC203339  Hibiscus denudatus Annie M. Alexander; Louise Kellogg 1941-3-4 1891 Imperial Colorado Desert. 5 miles north of Ogilby 140 Comment
  CAS-BOT-BC203345  Hibiscus denudatus Steve Boyd 1986-2-6 1234 Imperial Cargo Muchacho Mountains: Large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Road and Power-line Road Comment
  RSA124108  Hibiscus denudatus E. K. Balls, P. C. Everett 1958-3-20 22924 Imperial 3.7 mi. N of Ogilby on road to Blythe. 152 Comment
  SD143834  Hibiscus denudatus B. Pitzer 1997-10-19 3331 Imperial Southwest foot of Cargo Muchacho Mountains, along Ogilby Road (Hwy S34), at a point 6.1 miles north of railroad tracks at Ogilby & 3.6 miles south of Indian Pass Road. Small wash opening east of highway w/open sandy shoulder adjacent to road. (IPB 10/07) 199 Comment
  SD250512  Hibiscus denudatus A. C. Sanders, Jim Malusa 2015-3-7 41314 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range (Lion Head Mountain 7.5'Q) 427 Comment
  SEINET10389782  Hibiscus denudatus A. C. Sanders, Jim Malusa 2015-3-7 41314 Imperial Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  UCR131812  Hibiscus denudatus George Willet 1930-4-5 s.n. Imperial Sonoran (Colorado) Desert/Peninsular Range, Mountain Spring 610 Comment
  UCR253714  Hibiscus denudatus Jim Andre 2013-3-4 24136 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, northwest side of range, on BLM Rd #664, 0.5 mi east of Ogilby Road 195 Comment
  UCR41766  Hibiscus denudatus A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6245 Imperial Sonoran (Colorado) Desert, Coyote Mtns., 2.15 miles north of Hwy S-2 on dirt road 1.1 miles SE of San Diego Co. line 306 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
  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
  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
  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
  SD49301  Hilaria rigida Reid Moran 1958-3-5 6517 Imperial Pinto Wash 74 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
  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
  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
  UC1219881  Hoffmannseggia glauca Eva M. Wilson 1956-6-3 Imperial 11.5 mi w Signal Mt. P. O. (Yuha cut-off; between the p.o. and Coyote Wells) Comment
  UCR17095  Hoffmannseggia glauca D. O. Clark 1969-6-10 s.n. Imperial Sonoran (Colorado) Desert, Imperial Valley, Dogwood and Mead Roads, 1 mi. south of Brawley -34 Comment
  UCSB12255  Hoffmannseggia glauca Tarwater, Shirley 1961-3-5 Imperial Canal bank, 1 1/2 miles East, 1/2 mile south of Heber, west of Hwy. 99 Comment
  SBBG87806  Hoffmannseggia microphylla A. C. Sanders 1986-3-9 6203 Imperial Fossil Cyn, on Shell Cyn Rd, 3.3 mi N of Imperial Hwy (County Rd S-2) at Ocotillo; Coyote Mtns 304 Comment
  UCR266729  Hoffmannseggia peninsularis A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41923 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, hill west of the mouth of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 268 Comment
  CDA2210  Hordeum murinum subsp. glaucum J. Taylor, R. McCanna 1964-4-17 Imperial Brawley. 0 Comment
  UCR270429  Horsfordia alata John F. Emmel 2001-4-2 1690 Imperial Colorado (Sonoran) Desert, flats northwest of Cargo Muchacho Mountains, wash crossing Ogilby Road just west-northwest of the junction with Indian Pass Road 183 Comment
  UCR37429  Horsfordia alata G. R. Ballmer 1985-2-26 s.n. Imperial Sonoran (Colorado) Desert, 10.9 mi. south of Hwy 78 on Ogilby Road. 183 Comment
  CDA1441  Hydrilla verticillata T. C. Fuller 1977-10-25 20230 Imperial Colorado Desert; Western Colorado Desert; 4.0 kilometers northeast of Calexico. 0 Comment
  CDA20600  Hydrilla verticillata P. Cason 2005-11-2 PDR 1264638 Imperial Wisteria 7 Drain at Lyons & Brockman Rd, El Centro. 0 Comment
  UCR252  Hydrilla verticillata John Kabashima 1979-10-20 s.n. Imperial Sonoran (Colorado) Desert, Worthington & Huff Road, Flax Canal near gate 20 15 Comment
  SEINET8071683  Hydrocotyle verticillata A. Clifford 2011-1 AC 085 -11 Imperial Comment
  SEINET3828045  Hymenoclea monogyra J. Mark Porter, O. Mistretta & S. Hobbs 2002-1 13410 Imperial Imperial Dunes Recreation Area (Algodones Dunes), ca. 0.5 mi WSW of Ogilby W. of County road S34 95 Comment
  UCR167238  Hymenoclea salsola John F. Green 2005-3-4 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, east of Salton Sea, c. 4 mi N of Niland, just SW of Coachella Canal siphon 11, badlands above wash 24 Comment
  UC64817  Hymenoxys odorata E. E. Schellenger 1904-11-1 10 Imperial Palo Verde Comment
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Mar 3 2008
  HSC82772  Hyptis emoryi Christopher Davidson, Alan Romsport, Harvey Surprenant 1979-4-29 7806 Imperial On railroad access rd. toward Glamis, 1.6 miles SE of Cactus, Pilot Knob Mesa. Rock wash channel near railroad bridge No. 1956-05 119 Comment
  LA61606  Hyptis emoryi H. E. Parks; February 1929 391 Imperial Imperial Valley, Corrizo Canyon, entrance Comment
  RSA400960  Hyptis emoryi N. C. Cooper 1949-3-17 3108 Imperial Mountain Springs. 457 Comment
  SD16589  Hyptis emoryi Allen Keller 1937-3-12 Imperial Painted Gorge Comment
  SD201098  Hyptis emoryi Margaret R. Mulligan, L. Hendrickson, G. Fleming 2009-10-4 3180 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), in Palm Wash, site FOUSPL, in wash. 99 Comment
  SD21985  Hyptis emoryi Catherine Wood 1927-4-12 Imperial Mt. Springs Grade Comment
  SD79826  Hyptis emoryi Helen V. Witham 1970-12-14 1182 Imperial In-Ko-Pah Gorge 399 Comment
  UCR101710  Hyptis emoryi B. G. Pitzer 1998-2-2 3530 Imperial Sonoran (Colorado) Desert, Indian ['Tumco'] Wash, where powerline crosses Ogilby Road 198 Comment
  UCR226822  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-20 15844 Imperial Sonora (Colorado) Desert, Borrego Desert, along Hwy I-8 at lower In-Ko-Pah Gorge, 4.5 mi west of Ocotillo at Imperial Hwy 330 Comment
  UCR266761  Hyptis emoryi A. C. Sanders, Jim Malusa 2016-1-23 41976 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, canyon north of old Niland to Blythe road, 1 mile west of Beal Well 473 Comment
  UCR269686  Hyptis emoryi A. C. Sanders, Jim Malusa 2016-3-16 42268 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd. at powerlines, 2.6 km NNW of Beal Well 472 Comment
  UCR279150  Hyptis emoryi A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42725 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  RSA611956  Hyptis emoryi Louis C. Wheeler 1952-12-16 7028 Imperial Imperial 3: Mine site. Comment
  RSA0092525  Ipomopsis effusa James Henrickson 1983-4-30 19590 Imperial 12.5 air miles WNW of Calexico north of Hwy 98 on right-of-way of proposed transmission line. 0 Comment
  RSA706300  Ipomopsis tenuifolia J. P. Rebman, Mark Miller 2003-5-11 8992 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial Bounty border and N of the US/Mex border, N of Elliot Mine. 1140 Comment
  SD144357  Ipomopsis tenuifolia Jon P. Rebman, Melanie Howe 1997-4-5 3921 Imperial Jacumba Natural Area: E of Jacumba and SE of Inkopah: Smuggler's Cave area 900 Comment
  RSA0094162  Isocoma acradenia Duncan S. Bell, Sarah DeGroot, Amy Rouillard 2015-10-22 8729 Imperial Jacumba Mountains; at an unnamed/unmapped spring on the east side of the range within the Jacumba Mountain Wilderness area, approximately 2.75 air miles southwest of the town of Ocotillo. 289 Comment
  CAS-BOT-BC311596  Isocoma acradenia var. eremophila L. R. Abrams 1906-12-30 4995 Imperial Calexico Comment
  RSA0029652  Isocoma acradenia var. eremophila Deidre Conocchioli, Billy Sale 2013-10-23 117 Imperial Sonoran Desert. West side of Algodones Sand Dunes. From Brawley, Ca, take CA-78 E (Ben Hulse Hwy) for 14 miles. Turn right (S) onto unpaved BLM road. 4 Comment
  RSA615278  Isocoma acradenia var. eremophila J. P. Rebman, Maggie Loy 1996-10-26 3737 Imperial West of Imperial; sandy area along irrigation canals. 10 Comment
  SD199833  Isocoma acradenia var. eremophila Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16083 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 1 mile W of Hwy. 86; Section 14 (SL14), Palm Wash, Site ABRVIL in sandy arroyo bottom and surrounding mud embankments -35 Comment
  SEINET7989582  Isocoma acradenia var. eremophila Jon P. Rebman 1996-10-25 3690 Imperial In-Ko-Pah Mountains, Smuggler s Cave area, mountains SE of In-ko-pah 1030 Comment
  UCR108028  Isocoma acradenia var. eremophila Jon P. Rebman, Maggie Loy 1996-10-25 3695 Imperial Peninsular Range, In-ko-pah Gorge area: along Boulder Creek and just east of San Diego/Imperial Co. line; near small oasis 915 Comment
  UC484084  Isomeris arborea C. B. Wolf 1931-3-12 Imperial Beal Well Chocolate Mts. (w slope of Chocolate Mts) Comment
  SEINET3112141  Juncus acutus var. sphaerocarpus Sears 1977-10-13 S-- 596 Imperial 4 mi E of Brawley; edge of farmland in Imperial Valley. -41 Comment
  JEPS66952  Juncus cooperi S. B. Parish 1903-2-8 8428 Imperial Travertine Terraces, borders of Salton Sea Salton Sea -45 Comment
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Dec 22 2011
  RSA368192  Juncus cooperi Albert J. Perkins 1924-4-16 s.n. Imperial Salton Sea Comment
  UCD169323  Juncus cooperi A. C. Sanders; E. J. Lawlor, Don Pendleton, C. L. Sanders 1992-3-21 12083 Imperial Sonoran (Colorado) Desert, Imperial Valley, Frink Spring, north of Hwy 111 and east of Frink Rd. -10 Comment
  CAS-BOT-BC234556  Justicia californica Ira L. Wiggins 1957-3-25 14073 Imperial At junction of State Hwys. 80 & 98 Comment
  RSA2148  Justicia californica Carl B. Wolf 1931-3-14 1889 Imperial Colorado Desert, 5 mi. W of Coyote Wells on road to Mountain Springs. 152 Comment
  UCD39765  Justicia californica Beecher Crampton 1962-5-23 6456 Imperial Jacumba Mtns. 7-8 miles west of Coyote Wells. U.S. Hwy. 80. 304 Comment
  UCR277793  Justicia californica Jim Malusa 2016-11-3 s.n. Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 0.9 miles NNW (348 deg. ) of Mount Barrow 412 Comment
  RSA9394  Justicia californica Carl B. Wolf 1928-6-23 2279 Imperial 5 miles west of Coyote Wells. Loose rocky canyon to San Diego. 390 Comment
  SBBG44571  Justicia californica L. Davidson 1966-4-3 284 Imperial rest area on S side of Hwy 10, between Desert Center and Wylie Wells turn-off 304 Comment
  SD244011  Kallstroemia californica Gary Diridoni 2003-1-15 Imperial Imperial Sand Recreation Area; along the east side Comment
  SD250549  Kallstroemia californica B. Pitzer 1997-10-19 3339 Imperial Ogilby Road (Highway S34), east side, ca. 1.0 mile north of powerline road immediately north of Highway I-8, & 2.7 miles south of railroad tracks at Ogilby; on flats SSW of Ogilby Hills. 99 Comment
  UCD77787  Kallstroemia californica Robert E. Preston 1997-11-13 1073 Imperial Imperial Dunes. 91 Comment
  UCR264790  Kallstroemia californica Jon P. Rebman, J. LaGrange, Warren Schmidtmann 2014-9-24 28715 Imperial Sonoran (Colorado) Desert, northeast of the Algodonnes Dunes, along Ogilby Road (S34) between I-8 and Hwy 78, in wash just south of Indian Pass Road 190 Comment
  SEINET15325580  Kochia scoparia Steven P. MacLaughlin, Janice E. Bowers 1985-1 2949 Imperial 2.7 mi W Winterhaven. 37 Comment
  RSA0042969  Koeberlinia spinosa A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40810 Imperial Chuckwalla Bench, south of Chuckwalla Mountains, c. 0.9 km SW of Raineys Well via cut-off road toward powerline road Comment
  SD129302  Koeberlinia spinosa A. C. Sanders 1989-9-27 9521 Imperial Chocolate Mountains Aerial Gunnery Range, Salvation Pass, ca. 100 meters north of the well on an alluvial slope cut by small washes. 359 Comment
  CAS-BOT-BC73812  Koeberlinia spinosa subsp. tenuispina Edmund C. Jaeger 1939-1-15 s.n. Imperial Chocolate Mts. - along gullies, North Base 274 Comment
  UCR58345  Koeberlinia spinosa subsp. tenuispina A. C. Sanders 1989-9-27 9521 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Salvation Pass in vicinity of well 360 Comment
  SD254585  Koeberlinia spinosa var. tenuispina A. C. Sanders, Jim Malusa 2016-3-7 42119 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, dirt road from E.O.D. Camp Burt (Off intersection of Dietz Rd. and Skyline Dr.) toward target Invader c. 6 km NW of Blue Mountain (Pegleg Well 7.5'Q) 399 Comment
  SD200439  Krameria bicolor Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16598 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
  SD201097  Krameria bicolor Margaret R. Mulligan, L. Hendrickson, G. Fleming 2009-10-4 3156 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 22 (SL22), in Palm Wash, site TAMRAM2, in drainage of mesa & wash complex. 22 Comment
  SDSU6890  Krameria bicolor Robyn Garcia, M. 1987-3-28 Imperial I8, ca. .5 miles of, Myer Valley. Comment
  SEINET10389893  Krameria bicolor A. C. Sanders, Jim Malusa 2016-3-16 42284 Imperial Chocolate Mountains, old Niland-Blythe Rd. between Beal Well and Surveyors Pass 561 Comment
  SD211420  Krameria erecta Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18922 Imperial Southeast 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, E of Ocotillo & W of El Centro; on flats just N of jctn. Of powerline road & I-8 17 Comment
  UCD77790  Krameria erecta Robert E. Preston 1997-12-11 1076 Imperial Mesquite Mine. 243 Comment
  CHSC64171  Krameria grayi Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 34 Imperial 12.5 miles north of Interstate 8, off Ogilby Road, 0.5 miles east on Hayduke Mine Road. (A278) BLM land. Desert Access Guide Map #21. In wash. 245 Comment
  RSA408597  Krameria grayi H. de Forest, Jack Rempel 1932-12-18 16330 Imperial Between Ruthven & Obilby. Comment
  UCR134133  Krameria grayi June Latting 1978-4-30 s.n. Imperial Sonoran (Colorado) Desert, Road S34 (Ogilby Road) north of I-8 400 Comment
  UCR41499  Krameria grayi A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6291 Imperial Peninsular Range/ Sonoran (Colorado) Desert, South side of old highway at Mountain Springs Road exit from Hwy I-8, c. 1/3 mile east of town of Mountain Springs, at head of Myer Creek 673 Comment
  SD190604  Lactuca serriola Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3182 Imperial Picacho State Recreation Area, south side of Colorado River, and north of main access road. 63 Comment
  UCR169792  Langloisia schottii Scott D. White, Jennifer H. Jones 2005-4-19 10952 Imperial Sonoran Desert, Fish Creek Mountains 213 Comment
  CDA40070  Langloisia setosissima T. C. Fuller 1962-4-4 8098 Imperial Coyote Mountain, Shell Canyon Road, 3.6 miles north of Ocotillo. 0 Comment
  SD173069  Langloisia setosissima subsp. setosissima Larry Hendrickson, L. Louise Jee 2005-4-27 2123 Imperial Grave Wash, approx. 3.0 air miles west of hwy. 86 and 2.5 air miles north of hwy. S-22 (Borrego-Salton Seaway). 36 Comment
  SD200136  Langloisia setosissima subsp. setosissima Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16511 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
  SD200143  Langloisia setosissima subsp. setosissima Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16390 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
  RSA672062  Larrea divaricata Beecher Crampton 1962-5-23 6457 Imperial 7-8 miles west of Coyote Wells, US Hwy. 80, Jacumba Mtns. 305 Comment
  CAS-BOT-BC171072  Larrea tridentata E. A. McGregor 1916-7-30 52 Imperial Boulevard, Laguna Mts. - Colorado Desert 914 Comment
  CAS-BOT-BC171074  Larrea tridentata E. A. McGregor 1917-4-17 861 Imperial Holtville, Salton Sink Comment
  CAS-BOT-BC171078  Larrea tridentata Ethel H. Campbell 1921-5-1 42 Imperial Between Jacumba and Mountain Springs, east side of pass. Comment
  JEPS121462  Larrea tridentata Adam C. Schneider with Will Freyman 2014-2-16 381 Imperial Eastern edge of Algodones Dunes. Comment
  JEPS121554  Larrea tridentata Adam C. Schneider with Will Freyman 2014-2-15 326 Imperial West of Salton Sea, along Salton Borrego Seaway. Comment
  RSA289345  Larrea tridentata Charles Convis 1980-2-4 6 Imperial Colorado Desert, Western Salton Basin, 27 km due WNW of Westmoreland, Ca. 0-2 km east of confluence of Carrizo and San Filipe creeks. -35 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
  RSA505045  Larrea tridentata A. C. Sanders 1989-5-7 9085 Imperial Chocolate Mountains, in wash at Mary Lode Mine, 15km N of Glamis. 400 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
  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
  SD139444  Larrea tridentata Jon Rebman, Maggie Loy 1996-10-27 3770 Imperial N of Glamis: Algodones Dunes 60 Comment
  SD192065  Larrea tridentata Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-10 14528 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
  SD200234  Larrea tridentata Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16305 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
  SD255295  Larrea tridentata Ellen Dean, Tom Starbuck, Margaret Starbuck 2010-4-8 5829 Imperial BLM Algodones Dunes Natural Area. East side of dunes, 6 miles north of Hwy 78, along Kipf Rd. east and west side of road. Along wash. 79 Comment
  SEINET4560712  Larrea tridentata R. Laport 2010-1 CA-K- 2163 Imperial 1 km E of Glamis on Hwy 78, near gravel quarry, on rocky "desert pavement" on E flank of Algodones Dunes 109 Comment
  SEINET4560719  Larrea tridentata R. Laport 2010-1 T 2 Q4-1449 Imperial 4.5 km W of Salton City on Borrego-Salton Sea Way,~4 km on dirt track (holly Rd.) into california off-road recreation area, 37 Comment
  SEINET4560735  Larrea tridentata R. Laport 2010-1 CA-K- 2164 Imperial 1 km E of Glamis on Hwy 78, near gravel quarry, on rocky "desert pavement" on E flank of Algodones Dunes 109 Comment
  SEINET4560737  Larrea tridentata R. Laport 2010-1 T 2 Q4-1413 Imperial 4.5 km W of Salton City on Borrego-Salton Sea Way,~4 km on dirt track (holly Rd.) into california off-road recreation area, 30 Comment
  SEINET4560832  Larrea tridentata R. Laport 2010-1 CA-R- 832 Imperial 3 km S of Jct. between Hwy 78 and Hwy 86, small dirt powerline Rd. on N side of Hwy 78, W of Salton Sea. -52 Comment
  SEINET4560838  Larrea tridentata R. Laport 2010-1 CA-F- 482 Imperial 3km W of Jct. between Hwy 78 and Hwy 86, on Hwy 78 at the crest of the first hill on the road. -30 Comment
  SEINET4560839  Larrea tridentata R. Laport 2010-1 CA-R- 836 Imperial 3 km S of Jct. between Hwy 78 and Hwy 86, small dirt powerline Rd. on N side of Hwy 78, W of Salton Sea. -52 Comment
  SEINET4560848  Larrea tridentata R. Laport 2010-1 T 2 Q2-1308 Imperial 1 km W of pulloff on Hwy 86 at ~7 km N of Jct between Hwy 78 and Hwy 86, 3 Comment
  SEINET4561001  Larrea tridentata R. Laport 2010-1 T 4 Q3-1889 Imperial 3.5km W from railroad Jct. with Ogilby Rd. on gravel Side Winder Rd., S side of road in open sand plains. 83 Comment
  SEINET4561012  Larrea tridentata R. Laport 2010-1 T 3 Q2-765 Imperial 8.5km N of Glamis on gravel Ted Kipf Rd., W side of road, on rocky "desert pavement" on E flank of Algodones Dunes. 80 Comment
  SEINET4561019  Larrea tridentata R. Laport 2010-1 T 2 Q4-1406 Imperial 4.5km W of Salton City on Borrego-Salton Se Way, ~4km on dirt track (Holly Rd.) into California off-road recreation area. 32 Comment
  SEINET4561021  Larrea tridentata R. Laport 2010-1 T 2 Q4-1408 Imperial 4.5km W of Salton City on Borrego-Salton Se Way, ~4km on dirt track (Holly Rd.) into California off-road recreation area. 31 Comment
  SEINET4691419  Larrea tridentata R. Laport 2010-1 CA-K- 647 Imperial 1 km E of Glamis on Hwy 78, near gravel quarry, on rocky "desert pavement" on E flank of Algodones Dunes 125 Comment
  SEINET4691445  Larrea tridentata R. Laport 2010-1 CA-K- 645 Imperial 1 km E of Glamis on Hwy 78, near gravel quarry, on rocky "desert pavement" on E flank of Algodones Dunes 124 Comment
  SEINET4691447  Larrea tridentata R. Laport 2010-1 CA-J- 881 Imperial 12 km W of Glamis, CA, N side of Hwy 78, adjacent to irrigation canal, sandy dunes on W flank of Algodones Dunes 24 Comment
  SEINET4691453  Larrea tridentata R. Laport 2010-1 CA-K- 650 Imperial 1 km E of Glamis on Hwy 78, near gravel quarry, on rocky "desert pavement" on E flank of Algodones Dunes 120 Comment
  SEINET4691481  Larrea tridentata R. Laport 2010-1 CA-H- 504 Imperial 25 km E of Calexico, CA on Hwy 98, ~13 km before Jct. with I-8 on S side of Hwy. near road to an All-American Canal Pumping Station. 19 Comment
  SEINET4691493  Larrea tridentata R. Laport 2010-1 CA-H- 498 Imperial 25 km E of Calexico, CA on Hwy 98, ~13 km before Jct. with I-8 on S side of Hwy. near road to an All-American Canal Pumping Station. 19 Comment
  SEINET4691508  Larrea tridentata R. Laport 2010-1 T 3 Q1-1606 Imperial 20km E of Brawley on Hwy 78, gravel turnoff on N side of Hwy, sandy dunes at W edge of Algodones Dunes. 10 Comment
  SEINET4691511  Larrea tridentata R. Laport 2010-1 T 3 Q3-1705 Imperial 5km S on gravel Vista Mine Rd. at ~9.5km E of Glamis on Hwy 78, on E side of road at fork. 142 Comment
  SEINET4691516  Larrea tridentata R. Laport 2010-1 T 4 Q3-1856 Imperial 3.5km W from railroad Jct. with Ogilby Rd. on gravel Side Winder Rd., S side of road in open sand plains. 83 Comment
  SEINET4691529  Larrea tridentata R. Laport 2011-1 T 4 Q3-1861 Imperial 3.5km W from railroad Jct. with Ogilby Rd. on gravel Side Winder Rd., S side of road in open sand plains. 84 Comment
  SEINET4691588  Larrea tridentata R. Laport 2010-1 T 3 Q3-1702 Imperial 5 km S on gravel Vista Mine Rd. at ~9.5 km E of Glamis on Hwy 78, on E side of road fork. 139 Comment
  SEINET4691589  Larrea tridentata R. Laport 2010-1 CA-S- 858 Imperial 25 km E of Glamis, CA~3 km NE on BLM Rd. across from Jct. of Ogilby Rd. and Hwy 78 338 Comment
  SEINET4691602  Larrea tridentata R. Laport 2010-1 CA-S- 853 Imperial 25 km E of Glamis, CA~3 km NE on BLM Rd. across from Jct. of Ogilby Rd. and Hwy 78 337 Comment
  SEINET4691664  Larrea tridentata R. Laport 2010-1 T 4 Q3-1883 Imperial 3.5 km W from railroad Jct. with Ogilby Rd. on gravel Side Winder Rd. S side of road in open sand plains 83 Comment
  SEINET4691670  Larrea tridentata R. Laport 2010-1 T 3 Q2-1651 Imperial 8.5 km N of Glamis on gravel Ted Kipf Rd., W side of road, on rocky "desert pavement" on E flank of Algodones Dunes 77 Comment
  SEINET4907868  Larrea tridentata John E. Ebinger 1986-5-28 23467 Imperial Hole in the Wall Campground. Comment
  UC527488  Larrea tridentata C. B. Wolf 1931-5-29 Imperial 2 mi n base of Signal Mt.; Colorado Desert 0 Comment
  UCD35757  Larrea tridentata Beecher Crampton 1962-5-23 6457 Imperial 7-8 miles west of Coyote Wells, US Hwy. 80, Jacumba Mtns. 304 Comment
  UCR165521  Larrea tridentata John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 15 and 16, c. 2 miles NE of Frink and c. 10 miles east of Bertram 23 Comment
  UCR212509  Larrea tridentata A. C. Sanders 2010-2-20 37281 Imperial Sonoran (Colorado) Desert; Colorado River Valley, east of Winterhaven, west side of dirt road (east of ag fields) near east end of Arnold Rd. 38 Comment
  UCR265260  Larrea tridentata Jon P. Rebman, John La Grange, Warren Schmidtmann 2014-9-26 28829 Imperial Algodones Dunes, east of Brawley, north of Hwy 78 at Glamis and west of the railroad and Ted Kipf Road; on the eastern edge of the dune field 90 Comment
  UCSB8696  Larrea tridentata Long, Frances 1940-1-1 Imperial Salton Sea Comment
  SEINET1077361 Image available Lasthenia californica Jon P. Rebman 2001-3-14 7120 Imperial Jacumba Natural Area., Jacumba Natural Area, In-ko-pah Mountains. 975 Comment
  SD152264  Lasthenia gracilis Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-21 6574 Imperial Inkopah Mountains, Jacumba Wilderness Area. (IPB 10/07) Comment
  CAS-BOT-BC280863  Lepidium coronopus G. D. Barbe 1983-4-13 4054 Imperial Ash 211, west of Holtville, 1 mile north of county road S80 on Meloland Road Comment
  CDA37871  Lepidium coronopus J. L. Johnson 1982-7-1 s.n. Imperial El Centro 0 Comment
  UCD115337  Lepidium coronopus G. D. Barbe 1983-4-13 4054 Imperial Ash 211, west of Holtville, 1 mile north of county road S80 on Meloland Road. Comment
  RSA491241  Lepidium fremontii T. F. Daniel, M. Baker 1984-3-24 3396 Imperial Vicinity of Chuckawalla Well on south side of Chuckawalla Mountains. 610 Comment
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Dec 18 2012
  SD115548  Lepidium fremontii Duffie Clemons, Erik Jonsson 1983-3-26 421 Imperial Painted Gorge, at edge of wash, in sandy gravelly soil under Acacia greggii at edge of wash. (IPB 10/07) 213 Comment
  CDA18514  Lepidium lasiocarpum Frank B. McMurry 1943-1 1334 Imperial Sonoran Desert; Imperial National Wildlife Refuge. 0 Comment
  SD123961  Lepidium lasiocarpum Charles Convis 1980-3-8 36 Imperial San Sebastian Marsh Area; 27 km due westnorthwest of Westmorland; Mark's wash 200 m south of Harper's Well. 35 Comment
  UCR101696  Lepidium lasiocarpum B. G. Pitzer 1998-2-2 3526 Imperial Sonoran (Colorado) Desert, Indian ['Tumco'] Wash, where powerline crosses Ogilby Road 198 Comment
  SD191870  Lepidium lasiocarpum subsp. lasiocarpum Jon Rebman, W. Schmidtmann, L. Hendrickson, & L. L. Jee 2008-4-8 14399 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, 5.6 miles W of Hwy. 86; Section 18 (SL18), Grave Wash, Site OLILIN in arroyo bottom and surrounding embankments 71 Comment
  SD199952  Lepidium lasiocarpum subsp. lasiocarpum Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16296 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
  SD199956  Lepidium lasiocarpum subsp. lasiocarpum Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16457 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
  SD200386  Lepidium lasiocarpum subsp. lasiocarpum Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16817 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Big Wash, Site ERIINF in sandy arroyo and surrounding cobbly mesas -14 Comment
  CAS-BOT-BC273932  Leptochloa fusca subsp. fascicularis LeRoy Abrams 1903-7-22 3989 Imperial Calexico Comment
  POM161118  Leptochloa fusca subsp. uninervia George D. Abrams 1902-9-27 s.n. Imperial Near Calexico. Comment
  RSA161194  Leptochloa fusca subsp. uninervia P. H. Raven 1961-10-8 16838 Imperial Canal banks on western outskirts of El Centro -12 Comment
  RSA615781  Leptochloa fusca subsp. uninervia Suzanne Bell 1997-3-16 232 Imperial Near Squaw Lake power plant Comment
  SBBG57108  Leptochloa fusca subsp. uninervia R. Hoffmann 1928-10-21 Imperial El Centro Comment
  UCD64132  Leptochloa panicea subsp. brachiata S. B. Parish 1912-10-21 8230 Imperial Fort Yuma, by Colorado river. Comment
  UCD64136  Leptochloa panicea subsp. mucronata D. W. Ragsdale 1957-7-12 28 Imperial near Bard. Comment
  UC65296  Leptochloa uninervia E. E. Schellenger 1903-10-1 55 Imperial Salton Basin Colorado Desert Comment
  SEINET8006646  Leptochloa uninervia Jon P. Rebman 1996-10-25 3718 Imperial Seeley, S de Seeley Comment
  RSA798398  Leptodactylon pungens J. P. Rebman, Melanie Howe 1997-4-5 3928 Imperial Jacumba Natural Area: east of Jacumba and southeast of Inkopah: Smuggler's Cave area. 900 Comment
  UCR138350  Leptodactylon pungens Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-21 6560 Imperial Inkopah Mtns, Jacumba Wilderness Area 1000 Comment
  PASA2049  Lesquerella palmeri Margaret Stason April 1, 1932 380 Imperial Near Chuckwalla Well, east of Niland Comment
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Jun 24 2016
  POM179199  Lesquerella tenella A. M. Alexander, Louise Kellogg 1941-3-10 1924 Imperial 27 miles N of Ogilby Comment
  RSA0089415  Leucaena leucocephala A. C. Sanders 2016-1-24 41997 Imperial Sonoran (Colorado) Desert; Salton Trough: Hwy 111 at Brawley Wash, north of Niland. -49 Comment
  RSA0093822  Leucaena leucocephala A. C. Sanders, Jim Malusa 2015-3-8 41356 Imperial Sonoran (Colorado) Desert. Imperial Valley, bank of Highline Canal at Flowing Wells, NE of Calipatria along Weist Rd. -11 Comment
  SD254613  Leucaena leucocephala A. C. Sanders, Jim Malusa 2015-3-8 41356 Imperial Sonoran (Colorado) Desert; Imperial Valley, bank of Highline Canal at Flowing Well, NE of Calipatria along Weist Rd. -10 Comment
  CDA18499  Linanthus bigelovii Frank B. McMurry 1943-1 1367 Imperial Sonoran Desert; Imperial National Wildlife Refuge. 0 Comment
  RSA26834  Linanthus jonesii I. L. Wiggins 1941-3-25 9641 Imperial 11.3 miles northeast of Beal Well. Comment
  UC669326  Linanthus jonesii Annie M. Alexander and Louise Kellogg 1941-3-15 1944 Imperial 27 mi n Ogilby; Colorado Desert, Chocolate Mountains, Imperial Gables 414 Comment
  RSA0029670  Linanthus maculatus subsp. emaculatus J. Mark Porter, Sarah J. De Groot 2012-4-12 15087 Imperial Palm Canyon Wash, 6.2 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the eastern margin of broad wash. 384 Comment
  SD14047  Linanthus pungens Frank F. Gander 1936-3-14 849 Imperial Boulder Park, top of Mountain Springs Grade Comment
  JEPS22137  Linum usitatissimum Rimo Bacigalupi with Paul Hutchison 1958-2-16 6114 Imperial just se of Niland (Colorado Desert); Colorado Desert -38 Comment
  SEINET5578740  Loasaceae Steven P. McLaughlin 1998-1 7369 Imperial Low dunes near Colorado River 60 Comment
  UCSB34488  Loeseliastrum matthewsii Timbrook, Steven 1977-4-21 Imperial Crucifixion Thorns Recreation Area, west of California 98 Comment
  POM183122  Loeseliastrum schottii F. R. Fosberg 1932-3-31 7780 Imperial 10 miles east of Holtville Comment
  RSA172233  Loeseliastrum schottii Robert L. Rutherford 1964-4-11 33613 Imperial Just E of Coachella Canal, ca. 8 miles W of Glamis. Comment
  RSA801905B  Loeseliastrum schottii Duncan S. Bell, Kim Clark, Megan Ferguson, Calamity Jane Ferguson, Amber Swanson, Jane Tirrell, Adriana VanKlaveren 2013-3-17 4541 Imperial The Jacumba Mountains; collecting in Davies Canyon, approximately 3.75 air miles south of the town of Ocotillo. 233 Comment
  SD155507  Logfia arizonica Craig Reiser 2001-4-15 Imperial Mountain Springs, near base of rocks. (IPB 10/07) Comment
  SDSU4132  Logfia depressa H. Wedberg 1966-3-26 1161 Imperial On the road from Vallecito Valley to Hwy 80 and ocotillo, 0.1 mi. S. of San Diego County. 274 Comment
  SD162635  Logfia filaginoides Jon Rebman, Mark Miller 2003-5-11 8993 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border; N of Elliot Mine 1139 Comment
  SD142989  Lonicera subspicata var. denudata Jon Rebman, Mike Simpson 1997-5-29 4152 Imperial Jacumba Wilderness Area: In-Koh-Pah Mountains; Smuggler's Cave area south of Mountain Spring; along US/Mexican border Comment
  RSA787789  Lotus haydonii Duncan S. Bell 2012-3-23 3234 Imperial The Jacumba mountains; collecting in Boulder Creek approximately 3 miles north of the U.S./Mexico border. 582 Comment
  RSA776569  Lotus haydonii Amber Swanson, Duncan S. Bell 2011-2-25 162 Imperial Off Hwy I-8 in Devil's Cyn on W side of rd. 528 Comment
  RSA0121655  Lotus rigidus R. S. Woglum 1941-4-10 2918 a Imperial Sonoran Desert: Ogilby. Comment
  UCR41909  Lotus salsuginosus A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6207 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  RSA406382  Lotus strigosus N. C. Cooper 1949-3-17 3097 Imperial Colorado Desert, Coyote Wells. 304 Comment
  SEINET10928594  Lotus strigosus Nye Leith, Greg Gust 2005-3-5 Nye 9 Imperial Off S2, ca. 6 miles NW of Ocotillo. 361 Comment
  SEINET2055787 Image available Lotus strigosus George K. Helmkamp, E. A. Helmkamp 2001-3-17 6287 Imperial Colorado Desert; Ogilby Rd.,15.3 mi south of CA-78. 167 Comment
  UC604937  Lotus strigosus Roxana S. Ferris and Ruth P. Rossbach 1938-5-17 9625 Imperial upper end of Painted Gorge Carisso Mts., Painted Gorge Comment
  RSA792344  Lotus strigosus var. hirtellus Doris Bowers 1974-5-4 2252 Imperial Coyote Creek, Anza-Borrego State Park 335 Comment
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Sep 11 2013
  RSA659179  Lotus strigosus var. tomentellus J. C. Roos 1952-3-28 659179 Imperial Truck Haven along west side Salton Sea. 0 Comment
  UCR165446  Lotus strigosus var. tomentellus John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along the road on the immediate NE side of the Coachella Canal right-of-way, between siphons 13 and 14, c. 3.5 miles NE of Wister 27 Comment
  UCR211158  Lotus strigosus var. tomentellus Jim Andre, T. La Doux 2009-2-26 9897 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, SE end of mountains along Milpitas Wash at Hwy 78, c. 28 mi. SSW of Blythe 98 Comment
  RSA0092936  Lupinus arizonicus Jim M. Andre 2015-3-3 31315 Imperial Coyote Mountains; south end of range at mouth of Fossil Canyon, 0.6 mi. north of Shell Cyn Rd, approx. 2.5 mi. north of town of Ocotillo. 238 Comment
  SD143899  Lupinus arizonicus G. K. Helmkamp, E. A. Helmkamp 1998-3-18 2885 Imperial 4.7 mi N of Winterhaven on Picacho rd & 1 mi NW of the All-American Canal. 75 Comment
  SD200413  Lupinus arizonicus Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16628 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
  SD243899  Lupinus arizonicus Rick Ernenwein Unknown Imperial Glamis Dunes Comment
  UC865465  Lupinus arizonicus Ira L. Wiggins 1937-2-25 8606 Imperial 0.7 mi n All-American Canal Spillway (Picacho Wash); n of All-American Canal Spillway, Picacho Wash Comment
  UCD83534  Lupinus arizonicus Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5876 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
  UCR100796  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-3-18 2885 Imperial Sonoran (Colorado) Desert, 4.7 miles north of Winterhaven on Picacho Rd & 1 mile NW of the All-American Canal 76 Comment
  UCR165459  Lupinus arizonicus John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 9 and 10, c. 4 miles NW of Niland 15 Comment
  UCR269577  Lupinus arizonicus A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42067 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, head of Mammoth Wash, above 'slot' canyon in upper gorge 488 Comment
  SD155792  Lupinus bicolor Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7230 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at top of grade along road to Valley of the Moon, just east of the microwave towers. (IPB 10/07) 1200 Comment
  SEINET10485001  Lupinus brevior Duane Isely, Wendell H. Bragonier 1960-3-17 Isely 7159 Imperial Low annual, e slope, laguna mountains, e of desert view tower, alr. Ca. 2000 Ft. 610 Comment
  POM183667  Lupinus excubitus var. medius P. A. Munz 1931-3-14 11947 Imperial Foot of Mountain Springs Grade. Comment
  CAS-BOT-BC231368  Lycium andersonii Robert F. Thorne; R. Rutherford 1964-4-11 33636 Imperial Araz Wash, between Pasadena & Stud Mt., Cargo Muchacho Mts. 304 Comment
  LA209642  Lycium andersonii Harlan Lewis; 1941-4-12 sn Imperial Travertine Rock, on Highway #99 [= State Hwy 86] Comment
  RSA422092  Lycium andersonii R. S. Woglum 1939-4-14 2246 Imperial Near Beal Well, on Blythe to Niland rd. Comment
  RSA697287  Lycium andersonii LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1239 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  SEINET3078262 Image available Lycium andersonii B. Pitzer 1998-2-1 3459 Imperial Milpitas Wash, c. 0.2 mi. south of Walter's Camp Road, 1-1.5 mi. west of Hwy 78. 91 Comment
  UC1302414  Lycium andersonii Robert F. Thorne and R. Rutherford 1964-4-11 33654 Imperial between Pasadena and Stud Mts.; Cargo Muchacho Mts., Araz Wash 304 Comment
  UC495275  Lycium andersonii Philip A. Munz and C. L. Hitchcock 1932-4-5 12146 Imperial 2 mi n Cargo Muchacho Mts. Comment
  UCR279149  Lycium andersonii A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42726 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  SD254708  Lycium brevipes T. B. Salvato, Fred M. Roberts, et al. 2013-3-13 7328 Imperial Sonoran (Colorado) Desert: Chuckwally Bench, south of Chuckwalla Mountains, Arroyo Seco, ca. 0.8 km southwest of Rainey Well, north of the powerline road and east of the cut-off road between the well and powerline road. 527 Comment
  UCR128886  Lycium brevipes A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12076 Imperial Sonoran (Colorado) Desert, Imperial Valley, Powerline Rd., Imperial 230 KV line, 1.9-2.2 miles west of Coachella Canal Rd. on dirt track, 6 mi. SE of Frink Rd., c. 2 miles due north of Wister Siding -35 Comment
  UCR212940  Lycium brevipes A. C. Sanders 2010-3-25 37593 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, upper English Road at bend around end of fig orchard, c. 6 mi. NNW of Niland 10 Comment
  CAS-BOT-BC231472  Lycium brevipes var. brevipes Le Roy Abrams 1907-12-29 s.n. Imperial Signal Mt. Comment
  UC884575  Lycium fremontii Le Roy Abrams 1907-12-29 Imperial Signal Mt. Comment
  SD255282  Lycium parishii Duncan S. Bell, Heath Bartosh, Aaron Sims, Danny Slakey 2013-10-18 6071 Imperial Jacumba Mountains: in canyon hiking over to Skull Canyon to the E of Davies Canyon, about 1.75 air mile north of the U.S./Mexican border. 220 Comment
  UCR28828  Machaeranthera orcuttii Don Emery 1983-2-20 s.n. Imperial Sonoran (Colorado) Desert, W side of the Salton Sea 15 Comment
  SEINET11806607  Madia gracilis C. L. Abbott 1926-1 s.n. Imperial El Centro Comment
  CAS-BOT-BC347612  Malacothrix glabrata Ira L. Wiggins 1957-3-25 14076 Imperial Canyon 1.7 mi. S. of Hwy. 98 Comment
  RSA700469  Malacothrix glabrata J. P. Rebman, D. Silverman, B. Lauri, Oscar Solis 2001-4-13 7225 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at tope of grade along road to Valley of the Moon, just E of the microwave towers. 1200 Comment
  SD199835  Malacothrix glabrata Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16512 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
  SD200330  Malacothrix glabrata Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-26 16821 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Big Wash, Site ERIINF in sandy arroyo and surrounding cobbly mesas -14 Comment
  SEINET7989766  Malacothrix glabrata Jon P. Rebman 2001-4-13 7225 Imperial In-Ko-Pah Mountains, Jacumba Natural area, along road ascending to Valley of the Moon 1200 Comment
  CAS-BOT-BC322585  Malperia tenuis Roxana S. Ferris; Ruth P. Rossbach 1938-5-17 9614 Imperial Upper end of Painted Gorge, Carisso Mts. Comment
  UCR41681  Malperia tenuis A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6195 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  UCD116672  Malva parviflora Clarence Peterson 1912-4-17 s.n. Imperial Yuma Experiment Farm, Bard. Comment
  SD139538  Malvella leprosa Jon Rebman, Maggie Loy 1996-10-26 3736 Imperial N of Seeley: New River ponds 10 Comment
  UCR107996  Malvella leprosa Jon P. Rebman, Adrienne Russell 1997-9-2 4182 Imperial Sonoran (Colorado) Desert, West of Calexico; junction of Brockman Rd. and Hwy 98 1 Comment
  POM183662  Mammillaria tetrancistra P. A. Munz 1931-3-14 12855 Imperial 5 miles north of Laguna Dam. Comment
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Nov 17 2009
  RSA721478  Mammillaria tetrancistra Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-13 4321 Imperial Chocolate Mountains: Along Beal road near Surveyor's Pass. 645 Comment
  CAS-BOT-BC216190  Marina parryi Steve Boyd 1986-2-6 1248 Imperial CARGO MUCHACHO MTS: Bajado E of the Mts., Powerline Road 5.6 mi W of Picacho Rd Comment
  HSC14694  Marina parryi C. L. Hitchcock, C. V. Muhlick 1964-3-22 23243 Imperial 10 mi. N of Chuckwalla Spring, Chuckwalla Valley Comment
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Apr 6 2016
  CAS-BOT-BC67831  Marsilea vestita Leslie Newton Goodding 1943-8-10 43 -14 Imperial Vicinity of Bard Comment
  SD152286  Matelea parvifolia Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6519 Imperial Mountain Springs Grade, near I-8 exit. Comment
  RSA0121682  Medicago lupulina Craig Matkin 1971-4-17 062 Imperial Collected in a park in downtown Brawley. -35 Comment
  CSUSB1093  Medicago sativa William R. Bowen 1962-4-18 045 Imperial Escape along State Highway 111, 5 miles south of Calipatria. -56 Comment
  SD124685  Melica frutescens A. C. Sanders, D. Charlton, B. Pitzer, W. Wright 1986-3-10 6300 Imperial Mountain Spring Road exit from Hwy I-8, south side of old highway, ca 1/3 mile east of community of Mountain Springs, at head of Myer Creek. (IPB 10/07) 671 Comment
  SEINET3222820 Image available Melica frutescens A. C. Sanders, D. Charlton, B. Pitzer, W. Wright 1986-3-10 6300 Imperial Mountain Springs Road exit from Hwy I-8, S side of old highway, ca. 0.3 miles E of community of Mountain Springs, at head of Myer Creek. 670 Comment
  UCD86014  Melinis repens Collector Unknown 1939-1 s.n. Imperial U.S. Yuma Field Station, Bard. Comment
  UCR241572  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-23 40678 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, north of the old Blythe-Niland Road and south of the Bradshaw Trail, c. 3.7 km WNW of Raineys Well, just south of the Riverside Co. line 595 Comment
  POM47328  Mentzelia albicaulis Mary F. Spencer 1917-3-28 241 Imperial Coyote Wells. Comment
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Oct 9 2010
  SD28402  Mentzelia desertorum Frank F. Gander 1941-3-20 8984 Imperial Araz Stage Station, near Winterhaven. (IPB 10/07) Comment
  UC205885 Image available Mentzelia desertorum T. S. Brandegee 1901-3-30 Imperial Signal Mt., near boundary line Colorado Desert; Colorado Desert, Siqual Mt. Comment
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Nov 30 2015
  UCSB12479  Mentzelia hirsutissima Corfman, Nancy 1961-3-4 Imperial 2 miles north of Mt. Signal, 15 miles west of Calexico off Highway 98 on dirt road Comment
  HSC15870  Mentzelia involucrata C. L. Hitchcock, C. V. Muhlick 1964-3-20 23192 Imperial Along Hwy. S2, 7 mi. N of junction with Hwy. 80 Comment
  JEPS22541  Mentzelia involucrata Rimo Bacigalupi with Paul Hutchison 1958-2-18 6169 Imperial 4.5 mi s Palo Verde settlement (Sandy areas of arroyo running eastward into Laguna Palo Verde.); northeastern base of the Palo Verde Mts. 88 Comment
  JEPS42809  Mentzelia involucrata L. M. Newlon 1922-4-1 390 Imperial 3 mi w Coyote Wells; Colorado Desert Comment
  RSA709593  Mentzelia involucrata Scott D. White, Jennifer H. Jones 2005-4-19 10950 Imperial Fish Creek Mountains. 152 Comment
  RSA782245  Mentzelia involucrata R. W. Spjut 2008-4-1 16234 Imperial Sonoran Desert. BLM: Palo Verde Mts., along Hwy. 78 491 Comment
  SD200057  Mentzelia involucrata Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16205 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), vicinity of Palm Wash, Site ASTCRO in sandy arroyo bottom and surrounding rocky, mud embankments 54 Comment
  SD200058  Mentzelia involucrata Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16479 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
  SD260269  Mentzelia involucrata A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42193 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0.4 km east of old Niland-Blythe Rd. (Lion Head Mountain 7.5'Q) 427 Comment
  SD73513  Mentzelia involucrata Helen V> Witham 1970-3-1 Imperial Davies Valley. 199 Comment
  SDSU8027  Mentzelia involucrata Robin M. Garcia 1987-3-21 Imperial Junction of Interstate 8 and Mountain Springs Road, ca. 0.75 mil. E of Old Highway 80. Comment
  SEINET206294  Mentzelia involucrata Unknown 1958-2-17 6148 Imperial Just west of and above summit of road (Ogilby-Blythe road) over Palo Verde Mountains; 244 Comment
  SJSU10949  Mentzelia involucrata R. C. McGehee 1970-4-16 217 Imperial junction Wileys Well-Nyland rd & E boundary Chocolate Mt Aerial Gunnery Range 609 Comment
  UCR211177  Mentzelia involucrata Jim Andre, T. La Doux 2009-2-26 9889 Imperial Sonoran (Colorado) Desert, Palo Verde Mountains, along major powerline corridor (Palo Verde Road) that runs north-south through mountains, c. 1 mile south of pass 182 Comment
  UCR253875  Mentzelia involucrata Jim Andre 2013-3-4 24083 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, southeast side of range, c. 12 miles northwest of Yuma, just west of Barney Oldfield Road, 5.0 miles north of the junction with I-8 158 Comment
  RSA0126949  Mentzelia longiloba var. longiloba Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7756 Imperial Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. 41 Comment
  RSA45527  Mentzelia longiloba var. longiloba J. C. Roos, L. Roos 1949-4-7 4160 Imperial Along All-America Canal, 35 miles SE of Niland. Comment
  SD175111  Mentzelia longiloba var. longiloba Amadeo M. Rea 1993-3-18 1889 Imperial West of Yuma, Brock Research Center Road & I-8 Comment
  SEINET889859  Mentzelia longiloba var. longiloba D. F. Howe 1980-1 Imperial 19 miles east of Brawley on Highway 78 Comment
  UCR103658  Mentzelia longiloba var. longiloba George K. Helmkamp, E. Helmkamp 1998-1-24 2575 Imperial Sonoran (Colorado) Desert, between Hwy I-8 & the All-American Canal across from the Brock Research Center (c. 3 mi. east of the jct of Calif. Hwy 98 with Hwy I-8) 46 Comment
  RSA0127365  Mentzelia longiloba var. longiloba H. de Forest, Jack Rempel 1933-4-10 17762 Imperial Between Hwy 80 and Ogilby. Comment
  RSA0127366  Mentzelia longiloba var. longiloba Robert F. Thorne 1978-5-30 52161 Imperial Algodones Dunes: N end of Dunes, ca. 2 miles SSE of Regina. 61 Comment
  SDSU8028  Mentzelia veatchiana H. Wedberg 1966-3-26 1170 Imperial On the road from Vallecito Valley to Hwy 80 and Ocotillo, 0.1 mi. S. of San Diego County. 274 Comment
  RSA402625  Mesembryanthemum nodiflorum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-28 7765 Imperial Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob 79 Comment
  UC2030012  Mimulus bigelovii LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1302 Imperial Colorado Desert; Chocolate-Chuckwalla Moutains region: Chocolate Mountains (Chocolate Mountain Aerial Gunnery Range). North of Lion Head Mountain, near Beal Well. Surrounding desert off of Beal Road. Comment
  JEPS8161  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-1 387 Imperial 3 mi w Coyote Wells; Colorado Desert Comment
  UCR138349  Mirabilis bigelovii var. retrorsa Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-21 6559 Imperial Inkopah Mtns, Jacumba Wilderness Area 1000 Comment
  CLARK-A1528-5026  Mirabilis froebelii John C. Roos 1937-6-7 1454 Imperial Coyote Wells Comment
  SEINET10389792  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-3-8 41344 Imperial Salvation Pass in the Chocolate Mountains, small side canyon south of the main wash, US Navy Chocolate Mountains Aerial Gunnery Range 354 Comment
  RSA0015808  Mirabilis laevis var. retrorsa Jim Andre 2013-3-4 24137 Imperial Cargo Muchacho Mtns: northwest side of range, on BLM Rd 664, 0.5 mi east of Ogilby Rd. 195 Comment
  SDSU21335  Mirabilis laevis var. retrorsa Rachel Rhoades, Michael G. Simpson 2015-3-27 2 Imperial Mountain Spring Road, south of I-8, 100 feet from the parking area. 672 Comment
  JEPS99942  Mirabilis laevis var. villosa Rimo Bacigalupi and P. C. Hutchinson, L. Heckard 1962-3-20 8326 Imperial about 6.3 miles S of Picacho which is on the Colorado River, NW of Yuma 182 Comment
  RSA191727  Mirabilis laevis var. villosa Robert F. Thorne, Robert L. Rutherford 1964-4-11 33653 -a Imperial Araz Wash, between Pasadena and Stud Mountains, Cargo Muchacho Mountains. 305 Comment
  RSA264030  Mirabilis laevis var. villosa Noel Holmgren, Patricia K. Holmgren 1974-3-29 7539 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo. 274 Comment
  SD200083  Mirabilis laevis var. villosa Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16251 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
  SD200085  Mirabilis laevis var. villosa Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16482 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
  SD200463  Mirabilis laevis var. villosa Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-25 16682 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides 136 Comment
  UC1287001  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-20 24290 Imperial wash about 15 mi N of Ogilby on road to Blythe Comment
  UCD77868  Mirabilis laevis var. villosa Robert E. Preston 1997-11-12 1068 Imperial Mesquite Mine. 243 Comment
  CAS-BOT-BC229616  Mirabilis tenuiloba C. B. Wolf 1931-3-14 1901 Imperial Mountain Springs grade 274 Comment
  CAS-BOT-BC229622  Mirabilis tenuiloba William Anderson 1964-2-13 s.n. Imperial Signal Mountain Comment
  HSC34421  Mirabilis tenuiloba J. D. Ackerman, A. M. Montalvo 1974-3-26 156 Imperial E-bound Hwy. 8 at 1000 ft. marker, W of Ocotillo at bottom of grade, Colorado Desert 305 Comment
  JEPS61350  Mirabilis tenuiloba L. M. Newlon 1922-3-31 465 Imperial grade e of Mountain Springs Comment
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Jul 25 2012
  RSA2044  Mirabilis tenuiloba Carl B. Wolf 1931-3-14 1901 Imperial Mountain Springs Grade. 274 Comment
  RSA329659  Mirabilis tenuiloba Gary D. Wallace, D. Wilken 1966-3-5 110 Imperial In-Ko-Pah Mts. along Hwy. 98, 0.25 miles E of jct. with Hwy. 80 S of Ocotillo. Comment
  RSA124246  Mohavea confertiflora E. K. Balls, Percy C. Everett 1958-3-20 22931 Imperial 15 miles NW from Ogilby on road to Blythe. 259 Comment
  SD190680  Mohavea confertiflora Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3152 Imperial Picacho State Recreation Area. South side of the Colorado River, near Group Camp on N-side of main access road. 42 Comment
  SD242967  Mohavea confertiflora 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  UCR269766  Mohavea confertiflora A. C. Sanders, Jim Malusa 2016-3-15 42256 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd. 434 Comment
  UCR242069  Mollugo cerviana A. C. Sanders, T. B. Salvato, Tim Thomas 2012-10-31 40496 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., Arroyo Seco, SW of Graham Pass, 3.3 km SW (242 deg. ) of Raineys Well, W of BLM Rd. 552 between rds. 620 & 988 566 Comment
  POM123366  Monolepis nuttalliana Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma. Comment
  RSA45515  Monolepis nuttalliana J. C. Roos, L. Roos 1949-4-8 4200 Imperial South of Palo Verde. Comment
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Aug 28 2016
  SBBG127484  Monolepis nuttalliana A. C. Sanders 2010-3-25 37597 Imperial Wister area, Wilkins Rd 0.21 mi SE of 90 deg bend at Hobbs Rd jct, ca. 5.8 mi NW of Niland, Imperial Valley -19 Comment
  SD242780  Monolepis nuttalliana 1993-3-8 Imperial Highway 98 S of No Mirage 28 Comment
  UCR212943  Monolepis nuttalliana A. C. Sanders 2010-3-25 37597 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Wister area, Wilkins Road 0.2 mi. SE of 90 deg. bend at Hobbs Road junction, c. 5.8 mi. NW of Niland -19 Comment
  UCR25981  Monolepis nuttalliana John C. Roos 1949-4-8 4200 Imperial Sonoran (Colorado) Desert, Colorado River Valley; alkali flats south of Palo Verde Comment
  CAS-BOT-BC349743  Monoptilon bellioides Roxana S. Ferris 1928-4-18 7066 Imperial 1/2 mi east of Mountain Springs Comment
  CAS-BOT-BC349748  Monoptilon bellioides Noel H. Holmgren; Patricia K. Holmgren 1974-3-29 7550 Imperial Jacumba Mountains, 3 airline miles southwest of Ocotillo 274 Comment
  JEPS82229  Monoptilon bellioides Rimo Bacigalupi, and L. Heckard, and P. C. Hutchison 1962-3-20 8328 Imperial about 6.3 mi s Picacho ((which is on the Colorado River, nw of Yuma)); Burro Wash 182 Comment
  POM363585  Monoptilon bellioides H. de Forest, Jack Rempel 1933-4-9 17755 Imperial Bet. Tamarack Dist. & Superstition Mt. Comment
  RSA0014475  Monoptilon bellioides J. Mark Porter 2012-3-30 15077 Imperial About 3 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the W foot of Sugarloaf Mountain. 278 Comment
  RSA0023239  Monoptilon bellioides J. Andre 2013-3-4 23829 Imperial Chocolate Mountains; east side of range at end of Imperial Gables Rd., 4.2 mi. west of Highway 78. 422 Comment
  SD16598  Monoptilon bellioides Allen Kelley 1937-3-13 Imperial Painted Gorge Comment
  SD173200  Monoptilon bellioides Larry Hendrickson, L. Louise Jee 2005-4-27 2121 Imperial Grave Wash, approx. 3.0 air miles west of hwy. 86 and 2.5 air miles north of hwy. S-22 (Borrego-Salton Seaway). 36 Comment
  UCD83522  Monoptilon bellioides Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5863 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
  CAS-BOT-BC275318  Muhlenbergia microsperma C. L. Hitchcock; C. V. Muhlick 1964-3-21 23216 Imperial About 30 miles N of Ogilby Comment
  SD250584  Muhlenbergia microsperma Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-24 28749 Imperial Milpitas Wash just west of Hwy 78; south of Palo Verde & south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 132 Comment
  SD79821  Muhlenbergia microsperma Helen V. Witham 1970-12-14 1187 Imperial in wash, In-Ko-Pah Gorge 399 Comment
  UCR264788  Muhlenbergia microsperma Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28749 Imperial Sonoran (Colorado) Desert, Milpitas Wash just west of Hwy 78; south of Palo Verde and south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 133 Comment
  CDA19764  Myriophyllum spicatum M. Mizumoto 2001-11-8 PDR P 100202 Imperial Southern California; Vicinity of Calexico. 0 Comment
  SD103754  Myriophyllum spicatum G. D. Barbe 1978-12-5 2477 Imperial Calexico, East of Meadow Road Bridge, All American Canal Comment
  CDA5315  Myriophyllum spicatum subsp. spicatum L. Poloni, Aurelio Posadas 1978-10-18 Imperial U.S.D.A. Field Station, 4151 Highway 86, Brawley. 0 Comment
  SD83106  Myriopteris parryi Helen V. Witham 1972-12-12 1758 Imperial Under boulders at head of gorge, Painted Gorge 149 Comment
  JEPS29233  Nama Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-20 8310 Imperial just nw of Yuma, Ariz. and 0.2 mi n All American Canal (in gravel of wash at mouth of Picacho Wash along Picacho Road 5 mi n of its junction with old U.S. Highway 80); n of All American Canal, mouth Picacho Wash 60 Comment
  UC1078159  Nama Reino Alava 1958-3-3 1807 Imperial junction of the Highway 80 -98 and the road from Ogilby Ogilby Comment
  UC669322  Nama Annie M. Alexander and Louise Kellogg 1941-3-7 1905 Imperial seven mi nw Ogilby (Colorado Desert); Colorado Desert Comment
  UCR269561  Nama demissa A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42030 Imperial Sonoran (Colorado) Desert, near Hayden Well on Mammoth Wash, Chocolate Mountains 285 Comment
  UCR279234  Nama demissa A. C. Sanders, Jim Malusa 2017-3-13 42864 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Salvation Wash east of Salvation Pass, 1 km above to 1.1 km below confluence with German Diggins Wash 373 Comment
  RSA696404  Nama demissa var. demissa LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1254 Imperial Chocolate Moutains (Chocolate Moutain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  POM184852  Nama demissa var. deserti P. A. Munz, C. L. Hitchcock 1932-4-6 12171 Imperial 25 miles northeast of Ogilby. Comment
  RSA27456  Nama demissa var. deserti I. L. Wiggins 1941-3-26 9655 Imperial Desert bajada 14 miles east of Beal Well Comment
  HSC13559  Nama hispida C. L. Hitchcock 1966-3-19 24283 Imperial 10 mi. W of El Centro Comment
  SD115595  Nama hispida Duffie Clemons, Erik Jonsson 1983-4-16 468 Imperial In dried mud-silt of playa, Davies Valley, south end of sink. 334 Comment
  SD250500  Nama hispida B. Pitzer 1998-2-2 3514 Imperial Colorado Desert: extension of Sidwinder Road, S & W of PilotKnob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on & adjacent to N berb of All-America Canal, ca. 3.2 road miles past the RV park. 91 Comment
  RSA421157  Nama hispida var. revoluta H. de Forest, Jack Rempel 1933-4-10 17698 Imperial Between Glamis & Ruthven Comment
  SD115681  Nama hispida var. spathulata Duffie Clemons, Erik Jonsson 1983-10-2 795 Imperial [TRS only, no locality information on label] 29 Comment
  RSA0073148  Nama hispida var. spathulata R. F. Thorne, R. Rutherford 1964-4-11 33624 b Imperial Colorado Desert; Chocolate-Chuckwalla Mountains region: Araz Wash, between Pasadena and Stud Mountains, Cargo Muchacho Mountains. 305 Comment
  LA205741  Nama stenocarpa Martha Hilend; 1930-4-19 415 Imperial Colorado River Basin, 5 mi. N of Laguna Dam Comment
  SD208188  Nemacladus glanduliferus Jon Rebman, G. Fleming, et al. 2009-3-25 16711 Imperial Freeman Propertis (Truckhaven): West of the Salton Sea, northwest of Salton City, west of Highway 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB. 136 Comment
  SD208190  Nemacladus glanduliferus Jon Rebman, G. Fleming, et al. 2009-3-25 16711 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, northwest of Salton City, west of Highway 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides. 136 Comment
  UCR42804  Nemacladus glanduliferus A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6212 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  UC669214  Nemacladus orientalis Annie M. Alexander and Louise Kellogg 1941-3-15 1943 Imperial 27 mi n Ogilby; Colorado Desert 414 Comment
  UCR108485  Nemacladus orientalis A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16069 Imperial Sonoran (Colorado) Desert, Salton Sink, foothills of Santa Rosa Mtns, rocky slopes SE of VABM Oasis, c. 1 mi NNW of Coolidge Springs 25 Comment
  CAS-BOT-BC309813  Nemacladus rubescens J. Mark Porter; Sarah De Groot 2012-4-12 15082 Imperial Palm Canyon Wash, 5.5 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the southern margin of broad wash 346 Comment
  RSA0013124  Nemacladus rubescens J. Mark Porter, Sarah J. De Groot 2012-4-12 15090 Imperial Palm Canyon Wash, 6.2 mi W of Ocotillo, N of Interstate 8 and S of Dos Cabezas Road, near abandoned railroad, at the eastern margin of broad wash. 384 Comment
  JEPS22356  Nemacladus tenuis var. aliformis Rimo Bacigalupi with Drs. R. and A. Tryon, R. and A. Alava 1958-3-3 6220 Imperial about 5.5 mi s Midway Well (along the road from Palo Verde to Ogilby, about 1.0 mi n of road to Glamis, e flanks of Chocolate Mts); Chocolate Mts. 332 Comment
  UC494735  Nemacladus tenuis var. tenuis Philip A. Munz and C. L. Hitchcock 1932-4-6 12178 Imperial 25 mi ne Ogilby (wash above Four S Ranch) Comment
  UCR108484  Nemacladus tenuis var. tenuis A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16062 Imperial Sonoran (Colorado) Desert, Salton Sink, foothills of Santa Rosa Mtns, rocky slopes SE of VABM Oasis, c. 1 mi NNW of Coolidge Springs 25 Comment
  UCR237226  Nemacladus tenuis var. tenuis Jon P. Rebman, Guy L. Fleming, Victoria Marshall, Annette Winner 2009-3-25 16720 Imperial Sonora (Colorado) Desert, Freeman Preoperties (Truckhaven) west of the Salton Sea, northwest of Salton City, west of Hwy 86, section 7 (SP7), north fork of Big Wash, Site SPHAMB 137 Comment
  UCR58343  Nemacladus tenuis var. tenuis A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6212 A Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  RSA701641  Nemophila menziesii var. integrifolia Jon P. Rebman 2001-3-16 7202 Imperial Jacumba Natural Area, In-ko-pah Mountains, near Smuggler s Cove. 1046 Comment
  RSA0085592  Neogaerrhinum filipes Jim M. Andre 2015-3-3 31306 Imperial Eastern base of Jacumba Mountains, 1.3 mi. south of Hwy 98, approx. 2 mi. south of Ocotillo. Volcanic gravelly hills at margin of sandy wash at wilderness boundary. 246 Comment
  SEINET3079361 Image available Neogaerrhinum filipes Norman C. Cooper 1949-3-17 3096 Imperial Coyote Wells 305 Comment
  CDA36321  Neptunia lutea L. Arellano 2011-8-3 PDR# 1597735 Imperial Holtville; 755 Olive Ave., near Holtville High School Band Room. 0 Comment
  SD242976  Nicotiana glauca Kerry Schwartz 1993-3-8 Imperial Transition zone between Ag. Lands and Desert in disturbed site Comment
  SD200222  Nicotiana obtusifolia Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16236 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
  UC1287052  Nicotiana obtusifolia C. L. Hitchcock 1966-3-20 24298 Imperial about 15 mi n Ogilby (along rd to Blythe) Comment
  CLARK-A1528-3086  Nolina bigelovii John C. Roos 1937-6-10 1478 Imperial Mountain Spring 701 Comment
  SD143077  Nolina bigelovii Jon Rebman, Mike Simpson 1997-5-28 4138 Imperial Jacumba Wilderness Area: In-Koh-Pah Mountains; Smuggler's Cave area south of Mountain Spring; along US/Mexican border Comment
  SEINET9120444  Nolina bigelovii Dice, Donoghue 1984-1 581 Imperial Mountain Spring 670 Comment
  UCR266738  Notholaena californica A. C. Sanders, Jim Malusa 2016-1-23 41983 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, head of canyon north of old Niland to Blythe road, 1.35 miles WNW of Beal Well 485 Comment
  SD255230  Oenothera curtiflora Ellen Dean, T. Starbuck, M. Starbuck, T. Zavortink 2010-8-9 5903 Imperial BLM Algodones Dunes Natural Area. East side of dunes accessed from 6.8mi N of Hwy 78 along Kipf Rd. In long finger of vegetation along wash that leads into dunes in a SW direction - longest finger of vegetation on the E side. 67 Comment
  GMDRC9403  Oenothera deltoides subsp. deltoides J. M. Andre 2017-3-4 37247 Imperial Algodones Dunes: 0.2 mi. south of Interstate 8, 0.4 mi. southeast of Ogilby Rd overpass, eastern blowout zone of dune system 66 Comment
  POM271922  Oenothera deltoides subsp. deltoides Lyman Benson 1933-4-1 4225 Imperial US 80, Sand dunes W of Yuma., Yuma Desert. 30 Comment
  POM355314  Oenothera deltoides subsp. deltoides H. de Forest, Jack Rempel 1933-4-9 17725 Imperial Supersition Mountains, Colorado Desert. Comment
  POM355315  Oenothera deltoides subsp. deltoides H. de Forest, Jack Rempel 1933-4-9 18150 Imperial Bet. Tamarack Dist. and Superstition Mt. Comment
  RSA124320  Oenothera deltoides subsp. deltoides E. K. Balls, P. C. Everett 1958-3-20 22909 Imperial 0.5 miles north of U.S. Hwy. 80, along road to Blythe. 61 Comment
  RSA146012  Oenothera deltoides subsp. deltoides William M. Klein 1958-2-12 63 Imperial Along U.S. Highway 99 about 11 miles southeast of Kane Springs. Comment
  RSA146017  Oenothera deltoides subsp. deltoides William M. Klein 1958-2-14 144 Imperial Northeast drainage of the Palo Verde Mtns., 15.4 miles north of Midway Well on the Ogilby-Blythe road. Comment
  RSA159415  Oenothera deltoides subsp. deltoides John H. Thomas 1949-4-21 388 Imperial Flat desert, along U.S. Highway 80 [Hwy 8], 3 miles E. of Midway Well. Comment
  UC501478  Oenothera deltoides subsp. deltoides Frank W. Peirson 1932-3-21 9771 Imperial 8 mi e Holtville 15 Comment
  UCR278780  Oenothera deltoides subsp. deltoides Onkar Singh, B. Huttar 2015-3-21 5157 Imperial Sonoran (Colorado) Desert, Imperial Valley, Naval Air Facility El Centro Target 68 bombing range, c. 13 km SW of Glamis 37 Comment
  CLARK-A1045-1201  Oligomeris linifolia George K. Helmkamp 1977-1-22 Imperial Yuha Desert Crucifixion Thorn Natural Area [9 miles southeast of Ocotillo]; Coyote Wells 7.5'Q Comment
  OBI8376  Oligomeris linifolia David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12044 Imperial 2 mi W of jctn ith Calif 86 along Calif 78 30 Comment
  POM161120  Oligomeris linifolia George D. Abrams 1903-1-13 s.n. Imperial Near Calexics Comment
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Oct 16 2013
  POM47359  Oligomeris linifolia Mary F. Spencer 1917-3-31 234 Imperial Coyote Wells Comment
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Oct 9 2010
  RSA167515  Oligomeris linifolia Robert F. Thorne, R. Rutherford 1964-4-10 33581 Imperial Ca 1 mile SE of Glamis on road to Ogilby. Comment
  RSA336149  Oligomeris linifolia Robert F. Thorne 1978-4-29 52110 Imperial South of Salton Sea: ESE of Niland between Coachella Canal and ancient beach line Comment
  RSA336270  Oligomeris linifolia Robert F. Thorne 1978-4-30 52140 Imperial W. of Chocolate Mountains, ca. 1 mile E of Coachella Canal and W of Melson Well. Comment
  RSA80686  Oligomeris linifolia F. W. Peirson 1922-4-12 1925 Imperial 15 miles south of Coachella. Comment
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Apr 1 2013
  SD200206  Oligomeris linifolia Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16349 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
  SD200210  Oligomeris linifolia Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16108 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
  SD83117  Oligomeris linifolia Helen V. Witham 1972-12-12 1779 Imperial open desert, 4 mi. east of Ocotillo 149 Comment
  SEINET7259235 Image available Oligomeris linifolia C. Leo Hitchcock 1970-1 25695 Imperial Ca. 8 mi N of Winterhaven Comment
  UCD83510  Oligomeris linifolia Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5849 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
  UCR241577  Oligomeris linifolia A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40811 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, c. 2.4 km SE of Raineys Well 484 Comment
  UCR260042  Oligomeris linifolia A. C. Sanders, Jim Malusa 2015-3-5 41264 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, edge of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 366 Comment
  UCR279481  Oligomeris linifolia A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42713 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  OBI39249  Olneya tesota A. C. Sanders & K. R. Neisess, K. R. Neisess 1985-4-22 5625 Imperial S of the Cargo Muchacho Mts, ca. 2 mi N of Hwy I-8 on Sidewinder rd 122 Comment
  RSA505044  Olneya tesota A. C. Sanders 1989-5-7 9086 Imperial Chocolate Mountains, in wash at Mary Lode Mine, 15km N of Glamis. 400 Comment
  SD250497  Olneya tesota A. C. Sanders, T. B. Salvato 2013-5-9 40832 Imperial Sonoran (Colorado) Desert: Chuckawalla Bench, south of Chuckwalla Mountains, along BLM road 620 (E-W powerline road), c. 3.65 km east of road 552, 2.3 km SE of Raineys Well (Chuckwall Spring 7.5'Q) 486 Comment
  UCR201787  Olneya tesota A. C. Sanders 2009-1-28 36167 Imperial Sonoran (Colorado) Desert, 0.9 mi. (air) west of Ogilby Rd., 4.5 mi. (air) SE of the closest point on Hwy 78, 5.3 mi. (air) SE of Mesquite Mine, 5.8 mi. (air) NE of Ruthven Siding on RR 182 Comment
  UCSB50079  Olneya tesota Millett, Barbara 1980-5-17 Imperial 29 miles south of Blythe on Hwy. 78 91 Comment
  RSA124671  Opuntia bigelovii var. bigelovii E. K. Balls 1957-11-5 22769 Imperial 9 miles NW from Octillo 244 Comment
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Jun 19 2013
  RSA21080  Opuntia munzii C. B. Wolf 1938-1-7 3172 Imperial Chocolate Mountains, 5.6 miles above Beal Well. Comment
  HSC16691  Orobanche cooperi C. L. Hitchcock, C. V. Muhlick 1964-3-20 23186 Imperial Along Hwy. S2, 7 mi. N of junction with Hwy. 80 Comment
  SD114107  Orobanche cooperi Darley F. Howe 1964-3-22 3729 Imperial Northwest corner of Imperial County. Comment
  UC1534587  Orobanche cooperi A. C. Sanders with Pitzer, Weir, Charlton, Kniffen, Wright, Bramlet, et al. 1986-3-8 6176 Imperial 2.7 mi nw of Glamis (e side of Algodones Dunes, along dirt road parallel to Rail Road, sw of Mesquite Siding between Rail Road and the dunes); Algodones Dunes 85 Comment
  RSA0084139  Orobanche cooperi subsp. cooperi Reid V. Moran 1958-3-1 6508 Imperial Pinto Wash. 75 Comment
  CAS-BOT-BC502855  Orobanche cooperi subsp. cooperi Roxana S. Ferris; Ruth P. Rossbach 1938-5-18 9634 Imperial Upper end of Painted Gorge, Carisso Mts. Comment
  RSA0059401  Orobanche cooperi subsp. cooperi E. K. Balls 1949-4-4 12959 Imperial Roadside and bare patches between shrubs northeast of Bertram on Highway 111, Colorado Desert. -61 Comment
  CAS-BOT-BC327831  Palafoxia arida Aven Nelson; Ruth A. Nelson 1939-3-27 3293 Imperial Near Fish Springs on the Salton Sea 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-BC327859  Palafoxia arida Steve Boyd 1986-2-6 1264 Imperial Cargo Muchacho Mts. Plains E of the Mts. Powerline Rd., 2.9 mi W of Picacho Rd. Comment
  CAS-BOT-BC327861  Palafoxia arida Annie M. Alexander; Louise Kellogg 1941-3-14 1936 Imperial Colorado Desert. Sand dunes W of Yuma 64 Comment
  CAS-BOT-BC327881  Palafoxia arida J. Latting 1977-12-11 s.n. Imperial Sonoral Desert: E side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road. 69 Comment
  CDA8437  Palafoxia arida A. C. Browne 1951-10-21 Imperial 2 miles east of Ogilby. 0 Comment
  HSC85382  Palafoxia arida Steve Boyd 1986-2-6 1264 Imperial Cargo Muchacho Mts. Plains E of Mts., Powerline Road, 2.9 mi. W of Picacho Rd. Comment
  SEINET2053904 Image available Palafoxia arida Richard L. Irwin 1962-4-1 8 Imperial 0.6 miles S. of Ocotillo - off U.S. Hwy. 80. 15 Comment
  SEINET5760720  Palafoxia arida Orr Michael, Zachary Portman 2012-1 Imperial Salton Sea; Salton City, near intersection of Cleveland Ave. and Service Road Comment
  UCR101690  Palafoxia arida B. G. Pitzer 1998-2-2 3500 Imperial Sonoran (Colorado) Desert, extension of Sidewinder Road, S and west of Pilot Knob RV park/campground, c. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, c. 3.2 road mi. past the RV park 61 Comment
  JEPS34757  Palafoxia arida var. arida L. M. Newlon 1922-4-1 401 Imperial near Coyote Wells; Colorado Desert Comment
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Oct 9 2010
  POM289417  Palafoxia arida var. arida Lyman Benson 1933-3-31 4190 a Imperial West edge of Saton Sea. -61 Comment
  RSA387396  Palafoxia arida var. arida Steve Boyd 1986-2-6 1264 Imperial Sonoran (Colorado) Desert Cargo Muchacho Mts. Plains east of mountains, powerline road, 2.9 mi west of Picacho Rd. Comment
  RSA603892  Palafoxia arida var. arida A. C. Keller 1937-5-31 s.n. Imperial 12.4 miles east of Holtville Comment
  RSA785234  Palafoxia arida var. arida J. Andre, Glenn L. Clifton 2011-2-21 15891 Imperial Salton Sea; west end of sea, small dune system along dirt road partially covered in moving sand, approx. 8 miles SSE of Salton City, approx. 1 mile east of Hwy. 86 -43 Comment
  SD142464  Palafoxia arida var. arida Jon P. Rebman, Adrienne Russell 1997-9-6 4203 Imperial West of Plaster City: along Painted Gorge Road, N of S-80 39 Comment
  SD191813  Palafoxia arida var. arida Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14428 a Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 18 (SL18), in Grave Wash, Site MOHCON in arroyo bottom and surrounding embankments 113 Comment
  SD242721  Palafoxia arida var. arida 1993-3-18 Imperial Davis [Davies] Valley Rd Comment
  SD27704  Palafoxia arida var. arida Allan Keller 1940-3-16 207 Imperial Wash on road to Painted Gorge. Comment
  SEINET5575487  Palafoxia arida var. arida Steven P. McLaughlin 1998-1 7372 Imperial Picacho Wash below All American Canal 60 Comment
  SEINET7989892  Palafoxia arida var. arida Jon P. Rebman 1998-3-22 4938 Imperial California EUA, SE of El Centro; along Highway 98 20 Comment
  RSA0125408  Palafoxia arida var. arida S. Granger, Ball, Brosamer 1979-12-1 s.n. Imperial Colorado Desert: Duns (Dunes) just south of 78 Highway. Comment
  SEINET7048018  Palafoxia arida var. arida Steven R. Hill, Kate Kramer 2001-4-27 33486 Imperial California Route 86/78, west side of road, near Kane Spring, 0.6 mile southeast of U.S. Border Patrol Station at San Felipe Wash bridge. About 3.3 miles southwest of the Salton Sea margin. Elevation about -170 feet. Comment
  POM115609  Palafoxia arida var. gigantea A. M. Alexander, Kellogg 1941-3-14 1936 Imperial On slope of sand dunes west of Yuma. Comment
  RSA0018071  Palafoxia arida var. gigantea Duncan S. Bell, Kim Clark, Lars Froberg, Gene Ratcliff, Jan Thomas 2013-4-20 4823 Imperial Algodones Dunes; within the Algodones Dunes Wilderness area about a mile north of Highway 78, approximately 4.5 air miles west of Glamis. 121 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
  SD60969  Palafoxia arida var. gigantea Darley F. Howe 1964-4-11 3756 Imperial 22.3 miles east of Brawley, on road to Glamis. (IPB 10/07) 120 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
  UCR46271  Palafoxia arida var. gigantea J. E. Bowers, S. P. McLaughlin 1983-11-12 2785 Imperial Sonoran (Colorado) Desert, Algodones Dunes. Osborne Park on Hwy 78. Comment
  VVC637  Palafoxia arida var. gigantea P. J. MacKay, T. Thomas 1997-3-1 130 Imperial Algodones Dunes, Coachella Canal Rd, ca. 4 mi N of Hwy 8; 73 Comment
  CDA2116  Panicum antidotale R. McCanna 1961-7-14 Imperial R. Whitmer property, Seeley. 0 Comment
  SEINET2042571 Image available Panicum hirticaule M. Gates, J. George 1999-8-15 s.n. Imperial Algodones Dunes, 7 mi. SE of Glamis on Ted Kipf Road, ca. 1 mi S of Ruthven (site). Clyde Quad 7.5') 46 Comment
  UCD90117  Panicum urvilleanum BLK 1979-5-2 s.n. Imperial Algodones Dunes. Comment
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Dec 19 2014
  OBI12766  Parkinsonia aculeata H. E. McMinn 1925-6-30 1465 Imperial El Centro near Standard Oil Station Comment
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Aug 22 2012
  SEINET921119  Parkinsonia aculeata S. B. Parish 1913-1 8621 Imperial at Brawley, Salton Sink. Comment
  UC194886  Parkinsonia aculeata S. B. Parish 1913-9-22 8621 Imperial Brawley; Salton Sink Comment
  HSC83083  Parkinsonia florida A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Bramlett, Wright, et al. 1986-3-8 6170 Imperial E side of Algodones Dunes, 2.7 mi. NW of Glamis along dirt road parallel to RR, SW of Mesquite Siding 85 Comment
  SD191900  Parkinsonia florida Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14515 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site CERFLO in arroyo bottom and surrounding embankments -14 Comment
  SD250664  Parkinsonia florida Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28800 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
  UCR27206  Parkinsonia florida L. F. LaPre, D. Hogan 1982-5-19 s.n. Imperial Sonoran (Colorado) Desert, Algodones Dunes, 1.5 mi west of the junction of Interstate Hwy 8 with Ogilby Road. From the route of SD6 and E interconnection transmission line Comment
  UCR277796  Parkinsonia florida A. C. Sanders, Jim Malusa 2017-1-12 42652 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south edge of range at north side of Mesquite (New Gold) Mine 252 Comment
  UCR41684  Parkinsonia florida A. C. Sanders, D. Charlton, B. Pitzer, J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6170 Imperial Sonoran (Colorado) Desert, E side of Algodones Dunes, 2.7 mi NW of Glamis, along dirt road parallel to RR and dunes, SW of Mesquite Siding, between the RR and the dunes. 85 Comment
  UCD88752  Paspalum dilatatum Collector Unknown 1933-8-24 s.n. Imperial Russell Bros. Ranch near Holtville. Comment
  SD126310  Pectis papposa Steven P. McLaughlin, Janice E. Bowers 1985-9-11 3060 Imperial Near junction of Ogilby Road and I-8 67 Comment
  SEINET10389819  Pectis papposa A. C. Sanders, Jim Malusa 2015-9-8 41827 Imperial Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains 354 Comment
  SD139659  Pectis papposa var. papposa Jon P. Rebman, Maggie Loy 1996-10-27 3766 Imperial North of Glamis, Algodones Dunes, sand dune area. (IPB 10/07) 60 Comment
  UC133339  Pectis papposa var. papposa Le Roy Abrams June 1904 4099 Imperial Imperial Valley near Calexico; Imperial Valley Comment
  UC64788  Pectis papposa var. papposa F. H. Wales 1904-10-22 11 Imperial Colorado Desert Comment
  UC831494  Pectis papposa var. papposa Lewis S. Rose 1938-2-4 38043 Imperial Plaster City 0 Comment
  RSA0024964  Pectocarya heterocarpa J. Andre 2013-3-3 23976 Imperial Yuha Desert, along Highway 98 15.1 miles ESE of Ocotillo, and west of Calexico. Sandy area near Pinto Wash crossing. 38 Comment
  SD199924  Pectocarya heterocarpa Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16401 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
  SDSU19678  Pectocarya heterocarpa Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18853 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
  SD144396  Pectocarya linearis subsp. ferocula Jon P. Rebman, Melanie Howe 1997-4-5 3924 Imperial Jacumba Natural Area, east of Jacumba and southeast of Inkopah, Smuggler's Cave area. (IPB 10/07) 900 Comment
  UCR249837  Pectocarya platycarpa T. B. Salvato, Fred M. Roberts, Tim Thomas 2013-3-14 7334 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 6.6 km west-southwest of Rainey Well 595 Comment
  UCR269698  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2016-3-15 42261 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd. 434 Comment
  RSA681842  Pectocarya recurvata Scott D. White, Michael Honer 2003-3-28 8887 Imperial Unnamed wash between Fish Ck Mts and Split Mountain (San Diego Co.), ca. 10 road miles S of Ocotillo Wells on Split Mtn Rd. South of existing US Gypsum quarry area. Proposed for future gypsym mining. 152 Comment
  SD199932  Pectocarya recurvata Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-10 16263 b Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 19 (SP19), North Fork of Palm Wash, Site HYPEMO in sandy arroyo and surrounding rocky embankments 88 Comment
  UCR249832  Pectocarya recurvata T. B. Salvato, Fred M. Roberts, Tim Thomas 2013-3-14 7333 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 6.6 km west-southwest of Rainey Well 595 Comment
  UCR279136  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-12 42825 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, south of Salvation Wash and NE of German Diggins Wash 404 Comment
  SD152326  Pellaea mucronata subsp. mucronata Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-19 6525 Imperial Mountain Springs Grade near I-8 exit. Comment
  UCR245063  Pellaea mucronata subsp. mucronata Jon P. Rebman, Melanie Howe 1997-4-5 3911 Imperial Sonoran (Colorado) Desert, Jacumba Natural Area, Smuggler's Cave area, east of Jacumba and southeast of In-ko-pah Gorge 900 Comment
  CDA35785  Pennisetum ciliare L. Arellano 2011-8-15 PDR# 1263699 A Imperial Holtville; next door to 2880 Norrish Rd., near Highline Rd. 0 Comment
  SD73522  Penstemon clevelandii var. clevelandii Helen V. Witham 1970-4-19 800 Imperial In boulders, In-Ko-Pah Mountains 1200 Comment
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Nov 7 2007
  UC1787744  Penstemon clevelandii var. clevelandii Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7234 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, at top of grade along road to Valley of the Moon, just E of the microwave towers. 1200 Comment
  SD125195  Penstemon pseudospectabilis Steven P. McLaughlin, Janice E. Bowers 1985-3-8 2913 Imperial North-facing slopes, Colorado Desert, Palo Verde Mountains, ca. 10 miles southwest of Palo Verde. 210 Comment
  RSA0125406  Peritoma arborea var. angustata R. S. Woglum 1940-3-11 2486 Imperial Beal Well. (North-central). Comment
  UCR269635  Perityle A. C. Sanders, Jim Malusa 2016-3-7 42129 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  JEPS128783  Perityle emoryi A. C. Sanders with Jim Malusa 2017-3-25 43023 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, on dirt track from Bradshaw Trail to old Niland-Blythe Road, 0.65 km south of the Riverside County line (Chuckwalla Spring 7.5' Quad. Comment
  POM31659  Perityle emoryi Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma. Comment
  POM41484  Perityle emoryi Marcus E. Jones 1924-2-28 s.n. Imperial Mountain Spring, W. edge Colorado Desert. Comment
  SD173193  Perityle emoryi Larry Hendrickson, L. Louise Jee 2005-4-22 2053 Imperial Trust for Public Lands Option Properties. Big Wash, approx. 4.6 air miles west of hwy. 86 and 3.0 air miles north of hwy. S-22 (Borrego-Salton Seaway). 124 Comment
  SD199855  Perityle emoryi Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16322 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
  SD242724  Perityle emoryi 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  SD250452  Perityle emoryi B. Pitzer 1998-2-2 3522 Imperial Colorado Desert: Tumco Wash, where powerline crossed Ogilby Road (first time heading S, second time heading N) 198 Comment
  SD260189  Perityle emoryi A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Huges 2016-3-5 42073 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, upper Mammoth Wash, below slot canyon. Rocky bench above wash. 438 Comment
  SD262204  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-12 42849 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, large wash north of German Diggins Wash and below Pegleg Well & Pegleg Mine, 0.4 km above confluence with Salvation Wash. (Pegleg Well 7.5'Q) 390 Comment
  SD27684  Perityle emoryi Allan Keller 1940-3-16 207 Imperial Wash on road to Painted Gorge Comment
  SJSU6038  Perityle emoryi R. C. McGehee 1972-3-30 383 Imperial near Gavilan Wash NW of Picacho Peak Comment
  UCR268792  Perityle emoryi Jim Andre 2015-3-3 31310 Imperial Sonoran (Colorado) Desert, Coyote Mountains, south end of range at outh fo Fossil Canyon, 0.6 mi north of Shell Canyon Road, c. 2.5 mi north of town of Ocotillo 238 Comment
  UCR269529  Perityle emoryi A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42049 Imperial Sonoran (Colorado) Desert, tributary canyon of Mammoth Wash, 0.64 km SW (201 deg. ) of Hayden Well, Chocolate Mountains 250 Comment
  UCR279070  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-11 42820 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Niland to Pegleg Well Rd., in mouth of the canyon of Salvation Wash, 20.45 km due east (90 deg. ) of Niland 262 Comment
  CAS-BOT-BC419294  Persicaria punctata Robert F. Thorne 1978-4-29 52112 Imperial South of Salton Sea: Margin of Coachella Canal Comment
  POM212927  Petalonyx linearis F. W. Peirson 1935-4-16 11460 Imperial North of the bridge over the canal at Laguna Dam Comment
  UCR1508  Petalonyx thurberi W. R. Moberly 1962-5-13 620513- 01 Imperial Sonoran (Colorado) Desert, 4 mi west of Glamis, along the Brawley to Glamis rd. 91 Comment
  UCR212578  Petalonyx thurberi Jon P. Rebman, Warren Schmidtmann, Victoria Marshall 2008-4-11 14609 Imperial Sonora (Colorado) Desert, Freeman Properties (Truckhaven), west of the Salton Sea, northwest of Salton City, west of Hwy 86, Section 10 (SL 10), in Big Wash -11 Comment
  LA105772  Petalonyx thurberi subsp. thurberi Lyman Benson; 1945-11-11 11964 Imperial middle of W side of Salton Sea -30 Comment
  SD173111  Petalonyx thurberi subsp. thurberi Juergen Schrenk 2005-6-18 26 Imperial Anza Borrego Desert between Ocotillo and Hayden Spring (extension of Evan Hewes Road). Comment
  JEPS12182  Petunia parviflora S. B. Parish 1912-10-21 8322 Imperial near Ft. Yuma (Colorado River); Colorado River Comment
  JEPS23073  Peucephyllum schottii Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1825 Imperial 1 mi n road summit on road to Ogilby from Palo Verde; Palo Verde Mountains 198 Comment
  RSA264011  Peucephyllum schottii Noel Holmgren 1973-3-29 6559 Imperial Chocolate Mts., Picacho Road, 6.7 miles south of Picacho, 15.5 airline miles north of Yuma. 244 Comment
  RSA763777  Peucephyllum schottii Doris Bowers 1967-12-20 540 Imperial Mt. near Thumb Pk. Steep north slope S/o Wiley Wells 305 Comment
  SD14561  Peucephyllum schottii Frank F. Gander 1936-4-15 1351 Imperial Extreme northwest corner of county Comment
  UCR163163  Peucephyllum schottii Sue Bell 1997-3-16 234 Imperial Sonoran (Colorado) Desert, below Senator Wash Dam 61 Comment
  UCR266560  Peucephyllum schottii A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-21 41933 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Salvation Pass along Pegleg Rd., just below confluence of E and N forks of canyon, US Navy Chocolate Mountains Aerial Gunnery Range 303 Comment
  UCR266563  Peucephyllum schottii A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-21 41935 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, north fork of Salvation Wash, 1.1 mi. north of Salvation Pass, US Navy Chocolate Mountains Aerial Gunnery Range 377 Comment
  RSA567789  Phacelia ambigua H. T. Beck 1992-1-26 s.n. Imperial County Road S24 Picacho State Recreation Area. Near Chocolate Mountains Comment
  RSA92034  Phacelia ambigua R. M. Straw 1954-3-28 552 Imperial 5.3 miles N of Indian Well, Little Chuckwalla Mts, Imperial County Comment
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Sep 12 2016
  SEINET12318874  Phacelia ambigua N. D. Atwood 1970-1 2353 Imperial 14 mi N of jct Hwy 80, Ogelby Road Comment
  CDA18511  Phacelia coerulea Frank B. McMurry 1943-1 1348 Imperial Sonoran Desert; Imperial National Wildlife Refuge. 0 Comment
  HSC13637  Phacelia crenulata C. L. Hitchcock, C. V. Muhlick 1964-3-21 23225 Imperial 15 mi. N of Glamis on road to Blythe Comment
  SEINET8072003  Phacelia crenulata A. Clifford 2011-1 AC 031 -11 Imperial Squaw Lake 70 Comment
  RSA0015917  Phacelia crenulata var. ambigua Jim Andre 2013-3-3 23987 Imperial Along Frontage Rd. at RR tracks, just N of I-8, just west of Winterhaven, approx. 3 miles NW of Yuma, AZ. 40 Comment
  SD190645  Phacelia crenulata var. ambigua Larry Hendrickson, Jon Rebman. 2005-4-15 3127 Imperial Picacho State Recreation Area, adjacent to maintenance yard. 71 Comment
  SD200038  Phacelia crenulata var. ambigua Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16509 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
  UC107505  Phacelia crenulata var. ambigua T. S. Brandegee 1901-3-30 Imperial Signal Mt. Colorado Desert Comment
  UCR103354  Phacelia crenulata var. ambigua George K. Helmkamp, E. Helmkamp 1998-1-24 2593 Imperial Sonoran (Colorado) Desert, Gravel Rd south of Hwy I-8. Rocky hills at W edge of Fort Yuma Indian Reservation. 61 Comment
  SEINET5578756  Phacelia crenulata var. crenulata Steven P. McLaughlin 1998-1 7370 Imperial Picacho Wash below All American Canal 60 Comment
  UCR103621  Phacelia crenulata var. crenulata George K. Helmkamp, E. A. Helmkamp 1998-3-19 2910 Imperial Sonoran (Colorado) Desert, along Hwy S-24 between the All-American Canal & the Colorado River, 2.0 mi. north of Laguna Dam. 76 Comment
  GMDRC9400  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-4 37241 Imperial Cargo Muchacho Mountains: west end of range on BLM Rd #664, 0.6 mi. east of Ogilby Rd, approx 15 mi. south of jct Hwy 78 and 10 mi. north of Interstate 8 201 Comment
  GMDRC9771  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-9 37932 Imperial Borrego Desert: approx. 1 mi. SW of Ocotillo, 0.2 mi. south of Hwy 98, 0.5 mi. south of Interstate 8 189 Comment
  OBI38399  Phacelia crenulata var. minutiflora Unknown 1986-3-8 6178 Imperial Yuha Desert, ca. 5 mi airline S of Plaster City, in fossil oyster beds along a dirt rd ca 5 mi S of the Dunaway Rd exit off Hwy I-8 (T16S, R11E, sec 33) 61 Comment
  UCR253874  Phacelia crenulata var. minutiflora Jim Andre 2013-3-4 24082 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, southeast side of range, c. 12 miles northwest of Yuma, just west of Barney Oldfield Road, 5.0 miles north of the junction with I-8 158 Comment
  RSA681360  Phacelia crenulata var. minutiflora Scott D. White, Michael Honer 2003-3-28 8874 Imperial Fish Creek Mountains: Unnamed wash between Fish Ck Mts and Split Mountain (San Diego Co.), ca. 10 road miles S of Ocotillo Wells on Split Mtn Rd. South of existing US Gypsum quarry area. 152 Comment
  UCR108040  Phacelia cryptantha Jon P. Rebman, Melanie Howe 1997-4-5 3906 Imperial Sonoran (Colorado) Desert, Jacumba Natural Area, Smuggler's Cave area, east of Jacumba and southeast of In-ko-pah Gorge 900 Comment
  RSA0092018  Phacelia distans Jim M. Andre 2015-3-3 31284 Imperial Eastern base of Jacumba Mountains, 1.3 mi. south of Hwy 98, approx. 2 mi. south of Ocotillo. Volcanic gravelly hills at margin of sandy wash at wilderness boundary. 246 Comment
  RSA426063  Phacelia distans George Willet 1930-4-5 s.n. Imperial Mountain Springs. Comment
  SD242851  Phacelia distans Donald L. Hazlett 1993-3-13 6740 Imperial 2 mi. S of Ocotillo; Just N of WA 152 Comment
  SEINET3131238  Phacelia distans R. W. Spellenberg, N. Zucker 2000-3-29 13050 Imperial 42 air km NNE of Mecca 610 Comment
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Oct 9 2013
  UCR269683  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-15 42250 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 1.1 km NNE of Beal Well, north side of a rocky hill east of old Niland-Blythe Rd. 442 Comment
  RSA608213  Phacelia neglecta R. S. Woglum 1941-4-10 2920 Imperial Sonoran Desert: Ogilby to Midway. . Comment
  SBBG25060  Phacelia neglecta D. Myrick 1966-4-4 1359 Imperial Vincent Ranch, off Hwy 78 ca. 25 mi NE of Glamis; Chocolate Mtns Comment
  SD155446  Phacelia neglecta Craig Reiser 2001-4-8 Imperial Yuha Desert, southeast of Ocotillo, south of Highway 98 and Coyote Road. Comment
  SD262300  Phacelia neglecta A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42706 Imperial Sonoran (Colorado) Desert: Chocolate Mtns Aerial Gunnery Range, SE end on range above Imperial Gables, along dirt track. 390 Comment
  UC131480  Phacelia neglecta T. S. Brandegee Apr. 1905 Imperial near Cariso Mt.; Colorado Desert Comment
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Aug 10 2016
  UC665840  Phacelia neglecta Ira L. Wiggins 1941-3-28 9657 Imperial 13 mi w Wiley Well Comment
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Sep 23 2012
  UC669310  Phacelia neglecta Annie M. Alexander and Louise Kellogg 1941-3-17 1957 Imperial Palo Verde Mountains Colorado Desert 170 Comment
  UCR85153  Phacelia neglecta A. C. Sanders, O. F. Clarke, D. Crowley, S. Brun, D. Gries 1995-3-14 16105 Imperial Sonoran (Colorado) Desert, Salton Sink, Borrego Badlands, 2.9 mi. east of the San Diego County line on the Borrego-Salton Seaway (S-22), 0.25 mi. SW of VABM Clump (251 ft) 61 Comment
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Jan 20 2009
  SD115547  Phacelia pedicellata Duffie Clemons, Erik Jonsson 1983-3-26 420 Imperial In sandy stony soil at edge of wash, Painted Gorge. 244 Comment
  SD118814  Phacelia pedicellata Steven P. McLaughlin, Janice E. Bowers 1984-3-1 2801 Imperial N slope of Picacho Peak, 16 air-miles N of Yuma 305 Comment
  SD242854  Phacelia pedicellata 1993-3-11 Imperial Shell Canyon Comment
  SD243925  Phacelia pedicellata Donald Hazlett 1993-3-13 6786 Imperial 3 mi. S of Ocotillo, in Davies Canyon 182 Comment
  RSA0121543  Phalaris coerulescens Robert W. Townsend 1948-3-9 s.n. Imperial El Centro. Comment
  CDA32609  Phalaris minor T. C. Fuller 1965-2-15 13070 Imperial Rutherford Property, Rockwood Canal, Gate 121, 1.5 miles east of Brawley. 0 Comment
  SEINET1004351  Phalaris minor John F. Green 2005-1 Imperial Western Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland, just SW of Coachella Canal siphon 11. 24 Comment
  UCD89190  Phalaris minor E. G. N. 1940-4-23 s.n. Imperial U.S. Yuma Fields, Bard. Comment
  UCR212910  Phalaris minor A. C. Sanders, Victor Leighton, Morgan King 2010-3-24 37559 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Red Hill area near the SE end of the Salton Sea, Merkley Rd. at Cox Rd. -69 Comment
  UCR128898  Phoenix dactylifera A. C. Sanders, E. J. Lawlor, Don Pendleton, C. L. Sanders 1992-3-21 12081 Imperial Sonoran (Colorado) Desert, Imperial Valley, Frink Spring, north of Hwy 111 and east of Frink Rd. -10 Comment
  JEPS9629  Pholisma arenarium W. L. Jepson 1927-4-17 11791 Imperial sandy flat below Myers Creek bridge (at foot of grade); Mountain Springs grade Comment
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Apr 3 2008
  NY37807  Pholisma sonorae F. A. Thackery 1920-4-15 69 Imperial Peg Leg Sand Dunes Comment
  POM145276  Pholisma sonorae M. French Gilman 1928-4-25 s.n. Imperial West of Yuma. Comment
  RSA172241  Pholisma sonorae D. F. Howe 1964-5-13 s.n. Imperial 5 miles W of Glamis Comment
  RSA209611  Pholisma sonorae James K. Ryan 1969-4-11 50 Imperial 10 miles east town of Brawley on SJ 78 rd. Ben Hurley Hwy 50, east All-american canal on south roadside. 61 Comment
  RSA54935  Pholisma sonorae M. French Gilman, Thackery 1928-4-15 s.n. Imperial Pegleg s Gas station, 30 miles NE of Holtville Comment
  SD17613  Pholisma sonorae Allen Keller 1937-5-31 Imperial 7 mi. east of Holtville 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
  UC775203  Pholisma sonorae Paul K. Koluvek 1946-6-11 Imperial in sandy bank on both sides of large drain canal 17 mi ne Brawley (1 mi w of old Birch line, ne part of valley); Imperial Valley 0 Comment
  UC876284  Pholisma sonorae M. F. Gilman and Frank A. Thackery 1928-4-15 69 Imperial 30 mi ne Holtville (Pegleg's Gas Station) Comment
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Sep 4 2016
  SEINET10847674  Pholisma sonorae Sherwin Carlquist, Gary D. Wallace 1973-1 Imperial Comment
  JEPS1260  Pholistoma auritum var. arizonicum L. M. Newlon 1922-4-1 386 Imperial grade e. of Mountain Springs Comment
  SEINET8000817  Pholistoma auritum var. arizonicum Jon P. Rebman 2001-3-16 7208 Imperial Jacumba Natural area, In-Ko-PahMountains 1046 Comment
  UC1790261  Pholistoma auritum var. arizonicum Jon Rebman 2003-5-10 8976 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  RSA459277  Pholistoma membranaceum Anstruther Davidson 1926-3-1 s.n. Imperial [No location information on label.] Comment
  POM8462  Phoradendron californicum Mary F. Spencer 1916-3-20 1505 Imperial Imperial Valley. -60 Comment
  SD124507  Phoradendron californicum Henk van der Werff 1981-5-19 4270 Imperial Desert slopes near Mountain Springs, along Highway 8, at the border of San Diego & Imperial counties. (IPB 10/07) Comment
  SD200226  Phoradendron californicum Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-25 16729 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides 136 Comment
  SD250714  Phoradendron californicum Jon Rebman, J. LaGrange & W. Schmidtmann 2014-9-24 28704 Imperial Northeast of the Algodones Dunes: along Ogilby Road (S34) between I-8 & Hwy 78; in a wash just south of Indian Pass Road 189 Comment
  UCR249673  Phoradendron californicum T. B. Salvato, Fred M. Roberts, Tim Thomas 2013-3-14 7342 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco c. 6.6 km west-southwest of Rainey Well 595 Comment
  SEINET12230728  Phoradendron californicum E. A. Purer 1934-1 5656 Imperial shore of Colorado River N of Yuma near Picacho Mine Comment
  CAS-BOT-BC135300  Phoradendron serotinum subsp. macrophyllum Ira L. Wiggins 1937-2-25 8601 Imperial Flats near large irrigation canal 7 miles N of Bard Comment
  UCR202507  Phragmites australis Justin M. Wood 2008-12-28 269 Imperial Sonoran (Colorado) Desert, Imperial Valley, New River, Fig Lagoon, 0.5 mile south of Hwy 8 -17 Comment
  UCR41422  Phragmites australis A. C. Sanders, B. Pitzer, et al. 1985-12-22 5980 Imperial Sonoran (Colorado) Desert, south end of the Salton Sea, Garst Road at the Alamo River Delta -70 Comment
  JEPS39030  Phyla nodiflora var. nodiflora S. B. Parish 1912-10-20 8331 Imperial Ft. Yuma Colorado River bottoms (Colorado River bottoms) Comment
  CDA18550  Physalis crassifolia Frank B. McMurry 1943-1 1325 Imperial Sonoran Desert; Imperial National Wildlife Refuge. 0 Comment
  RSA48433  Physalis crassifolia E. K. Balls 1949-4-3 12917 Imperial Open slope between Chocolate Mts. and Salton Sea 8 miles along road from Niland to Blythe, Colorado desert 152 Comment
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Oct 18 2007
  SD161375  Physalis crassifolia Jon Rebman, Jim Rocks 2005-2-10 10937 Imperial Little Picacho Wilderness Area (BLM property): North of Winterhaven, SW of Colorado River; approx. 18 miles N of S24 on Picacho Road; just south of the Picacho State Recreation Area 195 Comment
  UC2030006  Physalis crassifolia LeRoy Gross, Valentin Arvizu, Sarah J. De Groot, Lisa Rojas, Tim Thibault 2004-5-13 1330 Imperial Colorado Desert; Chocolate-Chuckwalla Moutains region: Chocolate Mountains (Chocolate Mountain Aerial Gunnery Range). West of Lion Head Mountain, Surrounding desert off of Beal Road. Comment
  UC484271  Physalis crassifolia C. B. Wolf 1931-3-12 Imperial 13 mi from Niland (on road to Beal Well) 182 Comment
  UCR266548  Physalis crassifolia A. C. Sanders, Jim Malusa 2016-1-24 41991 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, beside old Niland to Blythe road on the upper alluvial fan in mouth of canyon below Lion Head Mountain, 17 km NE (63 deg. ) of Niland 314 Comment
  UCR89732  Physalis crassifolia J. M. Stewart 1990-3-12 641 Imperial Chocolate Mtns., Julian Wash. Comment
  CAS-BOT-BC60804  Physaria tenella Annie M. Alexander; Louise Kellogg 1941-3-17 1960 Imperial Colorado Desert. 1.5 miles south of Midway Well, north of Ogilby. Growing in restricted area. 304 Comment
  CDA22425  Pilostyles thurberi T. C. Fuller 1967-4-11 15580 Imperial East side of Highway 86 to Westmorland, 0.6 mile south of Kane Springs at [near] junction with Highway 78 to Borrego, San Felipe Wash. 0 Comment
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Sep 1 2011
  POM365517  Pilostyles thurberi Robert Gustafson 1983-3-28 2475 Imperial Hwy. 86, about 2 miles before the Allen Road turnoff, west of the Salton Sea. Comment
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Sep 12 2016
  RSA159462  Pilostyles thurberi Eva Wilson 1956-6-23 s.n. Imperial Pinto Wash on the Yuha cut-off between Singal Mountain P.O. and Coyote Wells Comment
  RSA182926  Pilostyles thurberi Robert F. Thorne, Benjamin 1963-5-23 252 Imperial 0.7 miles S of San Felipe Creek, W of Salton Sea along Hwy 99 -61 Comment
  RSA43067  Pilostyles thurberi Eva Wilson 1946-01 s.n. Imperial Near Ocotillo, between Coyote Mountain and Hwy 80 Comment
  RSA668036  Pilostyles thurberi Robert L. Rutherford 1963-11-30 9 Imperial Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98; Comment
  RSA678337  Pilostyles thurberi Robert L. Rutherford 1963-11-30 7 Imperial Pinto Wash, 7.7 miles west of Mount Signal on Hwy 98; Comment
  RSA751437  Pilostyles thurberi Robert F. Thorne 1977-9-1 59128 Imperial West side of Salton Sea, 1.8 miles N of San Felipe Creek Comment
  SBBG1386  Pilostyles thurberi M. A. Piehl 1964-4-24 6429 Imperial US 99 0.5 mi S of San Felipe Crk, West Salton Sea -45 Comment
  SEINET2068061 Image available Pilostyles thurberi R. F. Thorne 1977-9-1 59128 Imperial West side of Salton Sea, 1.8 miles N of San Felipe Creek. Comment
  UCR18907  Pilostyles thurberi John C. Roos 1963-6-1 s.n. Imperial Sonoran (Colorado) Desert, 0.6 mi. SE of San Felipe Wash bridge on Hwy 99 (=86), near Kane Spring -55 Comment
  UCR217783  Pilostyles thurberi Jim Andre, T. La Doux 2010-3-1 12579 Imperial Colorado (Sonoran) Desert, Borrego Desert, c. 2.5 mi northwest of town of Ocotillo, along Hwy S-2, at large transmission line crossing 164 Comment
  UCR9211  Pilostyles thurberi D. H. Wilken, G. D. Wallace 1966-3-5 693 Imperial Sonoran (Colorado) Desert, Yuma Desert, Pinto Wash west of Calexico 0 Comment
  SD143081  Pinus quadrifolia Jon P. Rebman, Mike Simpson 1997-5-28 4123 Imperial Jacumba Wilderness Area, In-Koh-Pah Mountains, Smuggler's Cave area, south of Mountain Spring. (IPB 10/07) Comment
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Apr 10 2015
  RSA0092935  Plagiobothrys jonesii Jim M. Andre 2015-3-3 31316 Imperial Along dirt road 0.6 mi. west of Imperial Hwy (Hwy S2), 7.5 mi NW of town of Ocotillo, just east of San Diego County line. 252 Comment
  SEINET10389897  Plagiobothrys jonesii A. C. Sanders, Jim Malusa 2016-3-15 42254 Imperial Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd. 434 Comment
  PASA24  Plantago Frank W. Peirson 1932-3-22 Imperial Midway Well, East Imperial Co. 152 Comment
  UCD124373  Plantago arenaria L. N. Goodding; C. Reeder 1943-6-20 s.n. Imperial U. S. Yuma Field Station; Bard, California. Comment
  SEINET12319678  Plantago insularis N. H. Holmgren, Holmgren, P. K. 1973-1 6513 Imperial Palo Verde Mountains, E of Old Palo Verde Road, 8.5 air mi SSW of Palo Verde 259 Comment
  JEPS22132  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-16 6118 Imperial just se Niland; Colorado Desert -38 Comment
  SD143745  Plantago ovata G. K. Helmkamp, E. A. Helmkamp 1998-3-18 2869 Imperial Between Highway I-8 and the All-American Canal across from the Brock Research Center; ca. 3.0 miles east of the junction of Highway CA-98 with I-8. 46 Comment
  SD181424  Plantago ovata LeRoy Gross, Valentin Arvizu, et al. 2004-5-13 1263 Imperial Chocolate-Chuckwalla Mountains region: Chocolate Mountains (Chocolate Mountain Aerial Gunnery Range). Near Surveyors Pass, surrounding desert off of Beal Road. 646 Comment
  SD191981  Plantago ovata Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14489 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 10 (SL10), in Grave Wash, Site LARTRI in arroyo bottom and surrounding embankments -31 Comment
  SD200121  Plantago ovata Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16433 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
  SD220700  Plantago ovata Margaret R. Mulligan, L. Hendrickson, L. L. Jee 2008-4-25 2516 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
  UC1174816  Plantago ovata P. C. Everett and E. K. Balls 1960-4-5 24068 Imperial s of Riverside-Imperial Co. line (U.S. Highway 99) 27 Comment
  UCD83486  Plantago ovata Ellen Dean; Tom Starbuck, Margaret Starbuck 2010-4-8 5827 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
  UCR122606  Plantago ovata George K. Helmkamp, E. A. Helmkamp 2001-3-17 6280 Imperial Sonoran (Colorado) Desert, Ogilby Rd., 15.4 miles south of Calif. Hwy 78 168 Comment
  UCR150169  Plantago ovata A. C. Sanders, P. J. MacKay, Tim Thomas, E. J. Lawlor, et al. 2005-1-17 29056 Imperial Sonoran (Colorado) Desert, Salton Basin, west of Hwy 86 at Salton Sea Test Base Rd., south of Salton City 6 Comment
  UCR260242  Plantago ovata A. C. Sanders, Jim Malusa 2015-3-8 41346 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, small side canyon south of the main wash, US Navy Chocolate Mountains Aerial Gunnery Range 354 Comment
  UCR3169  Plantago ovata Scott Fowler 1964-3-23 640323- 11 Imperial Sonoran (Colorado) Desert, Salton City, along Hwy 99 [=Hwy 86] -30 Comment
  HSC49567  Plantago ovata var. fastigiata D. L. Goforth 1979-3-29 68 Imperial 1 mi. S of Cut Across Trail 15 Comment
  RSA0021550  Plantago ovata var. fastigiata Jim Andre 2013-3-4 24067 Imperial Cargo Muchacho Mtns: southeast side of range, approx. 12 mi NW of Yuma, just west of Barney Oldfield Rd, 5.0 mi north of Jct Interstate 8. 158 Comment
  RSA412557  Plantago ovata var. fastigiata H. de Forest, Jack Rempel 1933-4-10 s.n. Imperial Chocolate Mountains, pass in mtns. on road from [Glamis] to Blythe. Comment
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Oct 31 2011
  SBBG22925  Plantago ovata var. fastigiata D. Myrick 1965-3-1 1056 Imperial Vincent Ranch, 25 mi E of Glamis 487 Comment
  SD256770  Plantago ovata var. fastigiata J. M. Andre 2013-3-4 24067 Imperial Cargo Muchacho Mountains; southeast side of range, approx 12 miles NW of Yuma, just west of Barney Oldfield Rd, 5.0 mile north of junction Interstae 8. (Araz 7.5'Q) 157 Comment
  SEINET3831704  Plantago ovata var. fastigiata Jon P. Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18860 Imperial Southwest of plaster City on Bureau of Land Management (BLM) property on an area proposed for development of a solar facility: S of Hwy. S80 & NE of Ocotillo & W of El Centro; alonga powerline road 53 Comment
  UCD150034  Plantago ovata var. insularis Godfrey Hewitt 1966-4-19 s.n. Imperial Ocotillo. Comment
  RSA767479  Plantago patagonica J. Mark Porter, O. Mistretta, S. Hobbs 2002-3-2 13388 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.5 miles west-southwest of Ogilby, west of County road S34. 95 Comment
  RSA767532  Plantago patagonica J. Mark Porter 2003-4-10 13491 .26 Imperial Imperial Dunes [Algodones Dunes], 1.62 miles northeast [59.49 degrees] of the Gecko Campground loop of Imperial Sand Dunes Recreation Area accessed via California Highway 78. Comment
  POM156234  Pleuraphis rigida Le Roy Abrams 1903-4-20 3155 Imperial Signal Mountain 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
  RSA289291  Pleuraphis rigida Charles Convis 1980-4-8 114 Imperial Western Salton Basin, 27 km due WNW of Westmorland -35 Comment
  SEINET732639  Pleuraphis rigida D. J. Pinkava 1965-4-16 2026 -b Imperial 9 mi. from Arizona-California border on Rt. 80 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
  UC51619  Pleuraphis rigida Jos. Burtt Davy 1902-3-31 8037 Imperial Flowing Wells Comment
  CAS-BOT-BC326626  Pleurocoronis pluriseta Edgar A. Mearns 1894-5-13 3144 Imperial Mountain Springs Comment
  SD152261  Pleurocoronis pluriseta Jon Rebman, Joan Dowd & Veronica Gallego 2000-4-20 6544 Imperial NW of El Centro, E side of Fish Creek Mountains, W of Salton Sea 20 Comment
  SEINET3243027  Pleurocoronis pluriseta Jon Rebman, Joan Dowd & Veronica Gallego 2000-1 6544 Imperial NW of el Centro, E side of Fish Creek Mountains, W of Salton Sea. Comment
  UCR148704  Pleurocoronis pluriseta Jon P. Rebman, Joan Dowd, Veronica Gallego 2000-4-20 6544 Imperial Sonoran (Colorado) Desert, NW of El Centro, E side of Fish Creek Mtns and west of Salton Sea Comment
  UCR260047  Pleurocoronis pluriseta A. C. Sanders, Jim Malusa 2015-3-5 41261 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, edge of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 366 Comment
  CAS-BOT-BC326551  Pluchea sericea H. E. McMinn 1925-6-28 1445 Imperial Along international canal near Signal Mountain Comment
  CLARK-A1528-2059  Pluchea sericea John C. Roos 1947-3-1 3301 Imperial Fish Springs Comment
  RSA2586  Pluchea sericea E. R. Johnson 1928-6-8 977 Imperial Along highway, W side of the Salton Sea, Colorado Desert Comment
  RSA336276  Pluchea sericea R. F. Thorne 1978-4-29 52102 Imperial South of Salton Sea, west of Westmoreland. Comment
  RSA472121  Pluchea sericea M. B. Dunkle 1935-4-18 4576 Imperial river Bottom, W of Yuma 46 Comment
  RSA48306  Pluchea sericea E. K. Balls 1949-4-4 12941 Imperial On highway 111, 5 miles north of Niland, Colorado Desert. -61 Comment
  RSA523363  Pluchea sericea Gordon H. True 1938-3-15 975 Imperial Calipatria, on Alamo River near Imperial Refuge. -3 Comment
  SD128763  Pluchea sericea Darley F. Howe 1980-4-13 Imperial 3 miles south of Highway 8 on Andrade Road Comment
  UCR278776  Pluchea sericea Onkar Singh, B. Huttar 2015-3-19 5153 Imperial Sonoran (Colorado) Desert, Imperial Valley, Naval Air Facility El Centro, southeast corner of "Parachute Drop Test Range", c. 10 km NE of Plaster City -14 Comment
  SD155865  Poa secunda subsp. secunda Jon P. Rebman, D. Silverman, B. Lauri, O. Solis 2001-4-13 7218 Imperial In-Ko-Pah Mountains, Jacumba Natural Area, along road ascending to Valley of the Moon. 1000 Comment
  SD162646  Poa secunda subsp. secunda Jon Rebman, Mark Miller 2003-5-10 8967 Imperial Jacumba Natural Area (BLM): In-ko-pah Mountains; East of Jacumba just over E of San Diego/Imperial County border & just N of the US/Mex border 1220 Comment
  SDSU15456  Poa secunda subsp. secunda Jon Rebman, Mike Simpson 1997-5-28 4133 Imperial Jacumba Wilderness Area: In-Ko-Pah Mountains; Smuggler's Cave area south of Mountain Spring. Along US/Mexican border. T18S R9E. Comment
  SEINET1910768  Polemoniaceae G. Gust, L. Nye 2005-1 460 Imperial BLM Land just NE of Ogilby about 20 miles NW of Yuma off of Hwy 534 on American Girl Mine Rd. 159 Comment
  CAS-BOT-BC413759  Polygonum argyrocoleon Roxana S. Ferris; Ruth P. Rossbach 1938-5-19 9657 Imperial Wash between junction of State Highway #78 and Truckhaven U. S. Highway #99 Comment
  CAS-BOT-BC413761  Polygonum argyrocoleon M. K. Bellue 1928-10-23 s.n. Imperial Imperial Valley Comment
  SD21501  Polygonum argyrocoleon Frank F. Gander 1938-5-20 5744 Imperial Brawley Comment
  RSA125362  Polygonum argyrocoleon R. Weatherby 1950-3-5 1049 Imperial 5 miles west of Yuma on Hwy 80. 61 Comment
  JEPS50544  Polygonum persicaria W. L. Jepson 1912-11-2 5280 Imperial Lower Palo Verde Valley; river banks 73 Comment
  RSA643200  Polygonum persicaria Jon P. Rebman, Adrienne Russell 1997-8-6 4186 Imperial Along Highway 98, approximately 6 miles east of Calexico. 0 Comment
  UCR107988  Polygonum persicaria Jon P. Rebman, Adrienne Russell 1997-9-6 4186 Imperial Sonoran Desert, Along Hwy 98, approximately 6 mi east of Calexico 1 Comment
  SEINET8007238  Polypogon interruptus Jon P. Rebman 2000-4-20 6552 Imperial W of Glamis along Highline canal, E of Brawley and Just N of Highway Comment
  UCD91302  Polypogon monspeliensis Beecher Crampton 1962-5-23 6468 Imperial Meloland Store, along U.S. Hwy. 80. Imperial Valley. Comment
  CAS-BOT-BC102496  Populus fremontii Alice Eastwood 1919-3-1 8003 Imperial Bard Comment
  CAS-BOT-BC126717  Populus fremontii A. C. Sanders 2010-2-20 37301 Imperial Sonoran (Colorado) Desert; Colorado River Valley: Levee Rd. at old house site 1 mile north of Ross Rd., Bard Valley NE of Winterhaven 43 Comment
  RSA92884  Populus fremontii F. W. Peirson 1927-4-15 7203 Imperial Near Ft. Yuma. Comment
  SD250456  Porophyllum gracile A. C. Sanders, T. B. Salvato, et al. 2012-8-22 40360 Imperial Sonoran (Colorado) Desert: Between Rainey Well (windmill) and Indian Well, just off BLM Rd. 549, 1.1 km west of Bradshaw Trail (Chuckwalla Spring. 523 Comment
  UC665858  Porophyllum gracile Ira L. Wiggins 1941-3-26 9653 Imperial 14 mi e of Beal Well Comment
  UCR264804  Porophyllum gracile Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28766 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
  SD260274  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-11-15 40522 Imperial Sonoran (Colorado) Desert: Chuckwalla Bench south of the Chuckwalla Mtns., 0.35 km SW of Raineys Well at NW foot of volcanic knob, south of Bradshaw Trail. Sandy wash beside dirt road. 537 Comment
  UCR264455  Proboscidea althaeifolia A. C. Sanders, Jim Malusa 2015-9-8 41828 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains 355 Comment
  UCR265316  Proboscidea althaeifolia Jon P. Rebman, Warren Schmidtmann, G. Kenney 2015-2-24 28729 Imperial Milpitas Wash just west of Hwy 78, south of Palo Verde and south of the Palo Verde Mountains, in the sandy wash just south of Milpitas Wash Road 133 Comment
  UCR67962  Proboscidea althaeifolia Roger Twitchell 1977-9-14 s.n. Imperial Sonoran (Colorado) Desert, 10 mi. south of Palo Verde along Hwy 78 Comment
  RSA0013891  Proboscidea althaeifolia B. D. Stark 1930-8-16 890 Imperial Wylies Well, on the Niland to Blythe Road. Comment
  CDA231  Prosopis glandulosa var. torreyana Frank B. McMurry 1943-1 1404 Imperial Sonoran Desert, Imperial National Wildlife Refuge. 0 Comment
  POM275711  Prosopis glandulosa var. torreyana Lyman D. Benson 1933-4-1 4234 Imperial 5 mile N of Signal Mt, Salton Sea Watershed. 30 Comment
  RSA23188  Prosopis glandulosa var. torreyana I. L. Wiggins 1938-3-25 8922 Imperial 10 miles north west of Westmoreland. Comment
  RSA702722  Prosopis glandulosa var. torreyana Tim Thibault 2004-4-22 235 Imperial Southern terminus of S34 0 Comment
  SD242822  Prosopis glandulosa var. torreyana Janeen Williams 2008-4-14 5 Imperial Yuha Desert Area of Critical Environmental Concern, South of Dunaway road entrance 14 Comment
  UC563112  Prosopis glandulosa var. torreyana Elmer I. Applegate 1910-4-8 3329 Imperial New River; Brawley Comment
  UCD108218  Prosopis glandulosa var. torreyana Victor Duran 1932-5-7 3188 Imperial Near Harper's Well, Imperial Valley. 9 Comment
  UCR202205  Prosopis glandulosa var. torreyana Larry Hendrickson, Jon P. Rebman, et al. 2005-4-16 3148 Imperial Sonoran (Colorado) Desert, Picacho State Recreation Area, south side of the Colorado River, near Group Camp on north side of main access road 43 Comment
  UCR279086  Prosopis juliflora var. juliflora A. C. Sanders, Jim Malusa 2017-3-12 42837 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Pegleg Well near Pegleg Mine 424 Comment
  CAS-BOT-BC216508  Prosopis pubescens Roxana S. Ferris 1918-6-20 1031 Imperial Colorada River bottom lands 10 miles from Yuma Comment
  CAS-BOT-BC216512  Prosopis pubescens LeRoy Abrams 1903-7-28 3999 Imperial Imperial Valley Comment
  SD250661  Prosopis pubescens Jon Rebman, J. LaGrange, W. Schmidtmann, & J. Emming 2014-9-25 28811 Imperial Along the Colorado River: south of Milpitas Wash; east of Hwy 78; south of Palo Verde & southeast of the Palo Verde Mountains; south of Water's Camp; on BLM land on the west side of the Colorado River near the end of Walter's Camp Road 105 Comment
  SJSU5544  Prosopis pubescens R. C. McGehee 1971-6-17 376 Imperial Colorado R, 1 mi S of Walter's Camp, Three Fingers L area Comment
  CDA4240  Prosopis strombulifera G. L. Osborn, R. A. Flock 1963-7-3 Imperial Southwest corner of the old U.S.D.A. Experimental Station, Bard. 0 Comment
  RSA788390  Prunus fremontii Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3518 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  SD216584  Prunus fremontii Ian Cain 2011-3-17 1570 Imperial Along east bound I-8, 4.15km east of intersection with Mountain Springs Road 469 Comment
  SDSU18806  Prunus fremontii Carolyn Kunz 1981-4-14 16 Imperial I-8 east to Mountain Springs Road at end of freeway offramp on the south side of the road, 10 feet from the road. 549 Comment
  CAS-BOT-BC376145  Psathyrotes ramosissima L. Nye; G. Gust 2005-3-5 20 Imperial Off S2, ca. 6 miles NW of Ocotillo 349 Comment
  RSA264558  Psathyrotes ramosissima C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1311 Imperial Along Pinto Wash about 13miles W of Calexico, Hwy 98 Comment
  SBBG23070  Psathyrotes ramosissima D. Myrick 1965-3-1 1064 Imperial Vincent Ranch, 25 mi E of Glamis 487 Comment
  UC54166  Psathyrotes ramosissima Joseph Burtt Davy 1902-4-1 8036 Imperial Flowing Wells Comment
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Apr 13 2009
  UCR100848  Psathyrotes ramosissima George K. Helmkamp, E. A. Helmkamp 1998-3-18 2880 Imperial Sonoran (Colorado) Desert, 4.7 miles north of Winterhaven on Picacho Rd & 1 mile NW of the All-American Canal 76 Comment
  UCR217786  Psathyrotes ramosissima Jim Andre, T. La Doux 2010-3-1 12567 Imperial Colorado (Sonoran) Desert, Borrego Desert, c. 2.5 mi northwest of town of Ocotillo, along Hwy S-2, at large transmission line crossing 164 Comment
  CAS-BOT-BC356306  Psathyrotes ramosissima S. B. Parish; W. F. Parish 1883-12-1 295 Imperial Colorado Desert Comment
  RSA0121656  Pseudognaphalium luteoalbum John Wallace 1991-5-12 24 Imperial Cibola National Wildlife Refuge. Comment
  UC468789  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 Imperial Paloverde Valley Colorado Desert, Paloverde Valley Comment
  CAS-BOT-BC205338  Psorothamnus emoryi James R. Shevock 1986-3-24 11365 Imperial Colorado Desert Region. Along county road S-80 paralleling Interstate 80, 3.4 miles east of Coyote Wells 100 Comment
  CAS-BOT-BC353598  Psorothamnus emoryi Peter H. Raven 1962-4-19 17380 Imperial 0.8 miles southeast of Kane Springs -45 Comment
  CAS-BOT-BC353603  Psorothamnus emoryi Roxana S. Ferris 1928-4-19 7135 Imperial Yuma, El Centro Road Comment
  CAS-BOT-BC353608  Psorothamnus emoryi Ira L. Wiggins 1938-3-25 8923 Imperial roadside in the Colorado Desert near Kane Springs Comment
  JEPS41728  Psorothamnus emoryi W. L. Jepson 1927-4-15 11723 Imperial Colorado Desert, Sand Hills near Grays Well 60 Comment
  POM126310B  Psorothamnus emoryi Martha Hilend 1927-4-2 s.n. Imperial Travertine rocks. Comment
  POM180597  Psorothamnus emoryi L. R. Abrams 1907-12-29 s.n. Imperial Mount Signal Comment
  POM320528  Psorothamnus emoryi Worthman 1967-4-11 22 Imperial Painted Gorge, Salton Sea Drainage. Comment
  RSA403992  Psorothamnus emoryi H. S. Gentry 1938-07 3788 Imperial W side of Colorado Desert Comment
  SBBG34804  Psorothamnus emoryi T. L. Secrest 1948-4-8 Imperial near Kane Spring -48 Comment
  SEINET10442868  Psorothamnus emoryi J. G. Harrison 2016-3-13 s.n. Imperial Junction of Ogilby Road and I-8. 29 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
  SFV1810  Psorothamnus emoryi K. A. Wilson 1964-4-11 1323 Imperial Orita-Glamis Road, 0.5 miles east of Coachella Canal. Comment
  UCR217776  Psorothamnus emoryi Jim Andre, T. La Doux 2010-3-1 12545 Imperial Colorado (Sonoran) Desert, Borrego Desert, c. 2.0 mi east of town of Ocotillo, along north side of US Hwy 8, frontage road 88 Comment
  RSA602097  Psorothamnus emoryi L. C. Wheeler 1955-6-10 7154 Imperial 3 miles N of John's Boat Landing. Comment
  RSA698705  Psorothamnus emoryi var. emoryi R. S. Felger, Catheleyne D'hondt, Tasha La Doux, Gerda Sauer, Wilhem Sauer, Peter Schols 2003-3-28 03 -382 Imperial Imperial County: ca. 0.5 km southward from end of Ogilby Road, Algodones Dunes. 60 Comment
  SD200415  Psorothamnus emoryi var. emoryi Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-24 16678 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), near north fork of Big Wash, Site TRICAL on mesas and surrounding hillsides 57 Comment
  SD216566  Psorothamnus emoryi var. emoryi Ian Cain 2011-3-29 1580 Imperial North of I-8, 6.72km south east of County Highway S2 at Imperial County Border, 5.08km north west of S2 and I-8 intersection 187 Comment
  POM28906  Psorothamnus schottii Marcus E. Jones 1906-4-25 s.n. Imperial West of Yuma. Comment
  UC187299  Psorothamnus schottii J. G. Lemmon and wife May, 1880 Imperial Ft. Yuma, Colorado River, Cal. Comment
  UCD108359  Psorothamnus schottii Beecher Crampton 1962-5-23 6460 Imperial Imperial County, Jacumba Mountains, 7-8 miles west of Coyote Wells, along U.S. Highway 80. 304 Comment
  UCD37952  Psorothamnus schottii Beecher Crampton 1962-5-23 6460 Imperial Imperial County, Jacumba Mountains, In-Ko-Pa Gorge, 7-8 miles west of Coyote Wells, along U.S. Highway 80, Colorado Desert. 304 Comment
  UCR109574  Psorothamnus schottii R. D. Goeden, Don W. Ricker 1971-3-2 s.n. Imperial Salton Trough, Signal Mountain, 1.5 mi. south of Hwy 98 and 0.5 mi. west of Mount Signal Rd. 15 Comment
  OBI52865  Psorothamnus spinosus Larry Kelly 1988-3-24 27 Imperial along Imperial Hwy (S-2) in Ocatillo ca. .5 mi N of i-8 Comment
  RSA0011388  Psorothamnus spinosus Duncan S. Bell 2013-3-24 4650 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
  RSA1192  Psorothamnus spinosus B. D. Stark 1930-7-4 876 Imperial Base of Mountain Springs grade 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
  RSA492693  Psorothamnus spinosus Walter Wisura 1989-5-10 4340 Imperial 0.7 mi. S of Hwy 98 S of Ocotillo, in sandy, gravelly wash. Comment
  RSA498753  Psorothamnus spinosus H. de Forest 1924-4-16 s.n. Imperial Salton Sea, near Hwy Comment
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Oct 23 2012
  SD113620  Psorothamnus spinosus Darley F. Howe 1941-7-10 1186 Imperial Mountain Springs Grade at the foot of grade (mak 7/06) Comment
  UCR264805  Psorothamnus spinosus Jon P. Rebman, J. LaGrange, Warren Schmidtmann, J. Emming 2014-9-24 28734 Imperial Sonoran (Colorado) Desert, Milpitas Wash just west of Hwy 78; south of Palo Verde and south of the Palo Verde Mountains; in the sandy wash just south of Milpitas Wash Road 133 Comment
  SD242941  Pterostegia drymarioides 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  SEINET10389810  Pterostegia drymarioides A. C. Sanders, Jim Malusa 2015-3-6 41303 Imperial Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 326 Comment
  SD141424  Pulicaria paludosa Suzanne Bell 1997-1-26 220 Imperial Squaw Lake, in and along inlet stream to power plant. (IPB 10/07) Comment
  RSA788393  Quercus cornelius-mulleri Duncan S. Bell, Kim Clark, Stacy Goss, Karen Rusiniak 2012-4-24 3522 Imperial The Jacumba mountains, above the Valley of the Moon, collecting in the vicinity of Blue Angel Peak, approximately 0.25 air mile north of the U.S./Mexico border. 1280 Comment
  RSA792663  Quercus cornelius-mulleri Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons 2012-11-18 4429 Imperial Jacumba Mountain; at the northwest base of Blue Angel Peak, approximately 0.25 air mile north of U.S./Mexico border. 1309 Comment
  SD19731  Quercus cornelius-mulleri Frank F. Gander 1937-10-27 4662 Imperial Boulder Park Comment
  SDSU15433  Quercus cornelius-mulleri Jon Rebman, Mike Simpson 1997-5-28 4137 Imperial Tract of Imperial Co.: T18S R9E. Jacumba Wilderness Area: In-Koh-Pah Mountains; Smuggler's Cave area south of Mountain Spring; along US/Mexican border. Comment
  CLARK-A1528-288  Rafinesquia neomexicana Charlotte Stocks 1964-4-19 Imperial Salton Sea Comment
  RSA768762  Rafinesquia neomexicana J. Andre, Tash La Doux 2010-3-1 12569 Imperial Borrego Desert region; approx. 2.5 miles northwest of town of Ocotillo along Hwy S-2, at large transmission line crossing. 164 Comment
  SD115550  Rafinesquia neomexicana Duffie Clemons, Erik Jonsson 1983-3-26 423 Imperial Painted Gorge, in sandy gravelly soil at edge of wash. 199 Comment
  SD199869  Rafinesquia neomexicana Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-11 16406 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
  SD199871  Rafinesquia neomexicana Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16105 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
  SD242732  Rafinesquia neomexicana 1993-3-18 Imperial Davis [Davies] Valley Entrance Comment
  SD49317  Rafinesquia neomexicana Reid Moran 1958-3-5 6521 Imperial Pinto Wash. 74 Comment
  UCR241582  Rafinesquia neomexicana A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40658 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, south of the old Blythe-Niland Road and of the Bradshaw Trail, c. 3.5 km west of Raineys Well 579 Comment
  RSA792648  Rhamnus ilicifolia Duncan S. Bell, Kim Clark, May Graves, Bill Kells, Nika Martinez, Keir Morse, Tom Persons, Anh Phan 2012-11-18 4434 Imperial Jacumba Mountain; at the northwest base of Blue Angel Peak, approximately 0.25 air mile north of U.S./Mexico border. 1309 Comment
  SEINET8008861  Rhamnus ilicifolia Jon P. Rebman 1997-4-5 3905 Imperial In-Ko-Pah Mountains, E of Jacumba and SE of Inkopah: Smuggler s Cave ar 900 Comment
  UCR108039  Rhamnus ilicifolia Jon P. Rebman, Melanie Howe 1997-4-5 3905 Imperial Sonoran (Colorado) Desert, Jacumba Natural Area, Smuggler's Cave area, east of Jacumba and southeast of In-ko-pah Gorge 900 Comment
  SEINET3195137 Image available Rumex dentatus Andrew C. Sanders, Victor Leighton, Morgan King 2010-3-24 37561 Imperial Sonoran (Colorado) Desert; Salton Trough; Imperial Valley, Red Hill area near the SE end of the Salton Sea, south side of Pound Rd. 0.35 mi. east of Davis Rd., c. 3 mi. SW of Niland -67 Comment
  CAS-BOT-BC454119  Ruppia cirrhosa A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15892 Imperial Colorado Desert, Salton Sink: near Frink Springs in a seepage area between the Coachella Canal and Coachella Canal Road, SE of Frink Rd. 30 Comment
  SEINET3837359  Ruppia maritima Unknownnown 1948-9-4 s.n. Imperial Mullet Island, southeast end of Salton Sea Comment
  CAS-BOT-BC280546  Saccharum ravennae Wm. Anderson 1959-10-1 s.n. Imperial In Imperial Valley in vicinity of Niland Comment
  CDA33360  Saccharum ravennae E. Cazares, J. Encalada 2010-10-7 PDR# 1263674 Imperial Adjacent to C.R.M. Wetlands (IID Mitigation) 0 Comment
  RSA516967  Saccharum ravennae A. C. Sanders 1989-9-19 9493 Imperial Scattered along the banks of the Coachella Canal just below Siphon 10, NE of Niland. 30 Comment
  SEINET10509348  Saccharum ravennae Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4929 Imperial Salton Sea. 2 miles north of the junction of California Highway 111, along Hot Mineral Road. North of the town of Bombay Beach, in the Hot Springs Area. .5 miles north of Spa Road, around a drainage ditch. 10 Comment
  UC1100241  Saccharum ravennae Malcolm A. Nobs, S. Galen Smith 1948-9-3 515 Imperial 4 mi s of Calipatria (Imperial State Game Refuge, Imperial Valley); Imperial Valley, Imperial State Game Refuge Comment
  CAS-BOT-BC103836  Salix exigua Mrs. H. P. Bracelin 1932-4-14 615 Imperial Along highway, 6.5 km. west of Calexico 6 Comment
  RSA5797  Salix exigua Carl B. Wolf 1932-10-14 4335 Imperial 2 miles SE of Niland. -30 Comment
  LA210192  Salix exigua var. exigua F. R. Fosberg; 1932-3-3 7820 Imperial Colorado River across from Yuma, Arizona Comment
  CAS-BOT-BC107847  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Imperial Blythe Comment
  CAS-BOT-BC108363  Salix gooddingii Mrs. H. P. Bracelin 1932-4-14 612 Imperial Near bridge over New River, Calexico -7 Comment
  RSA342500  Salix gooddingii Robert F. Thorne 1978-4-29 52107 Imperial South of Salton Sea: Wiest Lake along Alamo River, south of Calipatria. Comment
  RSA6463  Salix gooddingii H. P. Bracelin 1932-4-13 609 Imperial 22.5 km. north of Brawley. -35 Comment
  SJSU195  Salix gooddingii Mrs. H. P. Bracelin 1932-4-13 609 Imperial 22.5km N of Brawley -34 Comment
  UC483047  Salix gooddingii F. R. Fosberg 1932-3-31 7817 Imperial across from Yuma, Az. Colorado R. Comment
  UC483050  Salix gooddingii F. R. Fosberg 1932-3-3 7820 Imperial across from Yuma, Az. Colorado R. Comment
  RSA0038345  Salix gooddingii H. P. Bracelin 1932-4-14 613 Imperial Along highway, 6.5 km west of Calexico. -6 Comment
  CAS-BOT-BC126276  Salix sessilifolia Roxana S. Ferris 1918-6-20 1030 Imperial Colorado River bottoms 10 miles from Yuma Comment
  SD173164  Salsola paulsenii Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-4-14 1919 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
  SD199980  Salsola paulsenii Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16187 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
  SD220666  Salsola paulsenii Margaret R. Mulligan, L. Hendrickson, L. L. Jee 2008-4-25 2511 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
  SD10800  Salvia columbariae Frank F. Gander 1935-3-23 149 1 Imperial Boulder Park on Highway 80 top of Mountain Springs Grade Comment
  RSA769289  Salvinia molesta Rick E. Riefner Jr. 2009-9-25 09 -210 Imperial Near Bard, Ross Road and Baseline Road at the Reservation Main Drain 37 Comment
  SBBG125944  Salvinia molesta R. E. Riefner Jr. 2009-9-25 09 -210 Imperial near Bard, Perez Rd ca 0.25 mi W of Ross Rd at the reservation main drain 36 Comment
  CDA221  Sarcobatus vermiculatus Frank B. McMurry 1943-1 1379 Imperial Sonoran Desert, Imperial National Wildlife Refuge. 0 Comment
  JEPS27449  Sarcostemma cynanchoides subsp. hartwegii S. B. Parish 1912-10-19 8328 Imperial draws of the Alamo R. near Calexico; Salton Basin, Alamo R. 0 Comment
  CDA2422  Schismus arabicus G. D. Barbe, H. Burke, W. H. Cross, E. L. Sleeper, Terry N. Seeno 1983-4-14 4059 Imperial West bank of Coachella Canal, 6.1 miles south of Hwy 78, southwest of Glamis. 0 Comment
  SD199768  Schismus arabicus Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck 2009-3-9 16120 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
  SEINET7296607 Image available Schismus arabicus Larry DeBuhr, Gary Wallace 1973-1 789 Imperial Yuha Basin, Pinto Wash, about 16 miles west of Calexico along Hwy 98 Comment
  UCR102683  Schismus arabicus B. G. Pitzer 1998-2-2 3484 Imperial Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes 61 Comment
  UCR261587  Schismus arabicus A. C. Sanders, Jim Malusa 2015-3-6 41285 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
  UCR41511  Schismus arabicus A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6149 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
  UCR48449  Schismus arabicus Steve Boyd 1986-2-6 1238 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  SD178266  Schoenoplectus americanus Steven P. McLaughlin, Janice E. Bowers 1986-3-17 3244 Imperial Colorado Desert: Squaw Lake Recreation Area. Abundant, along water's edge. Comment
  SD125053  Schoenoplectus californicus Steven P. McLaughlin, Janice E. Bowers 1985-2-15 2859 Imperial Along Colorado River at Picacho State Recreation Area. 60 Comment
  RSA366078  Schoenoplectus maritimus