32.70861 32.80861 -114.88667 -114.78667
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Search Results
— 351 specimen records retrieved (351 records with coordinates)
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Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/). | |
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
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? | Specimen ID | Determination * | Collector | Collection Date | Collection Number | County | Locality | Elevation in meters | Feedback | |
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RSA462260 | Abronia villosa | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7740 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA702719 | Abronia villosa | Tim Thibault | 2004-4-22 | 237 B | Imperial | southern terminus of S34 | 72 | Comment | ||
SD143824 | Abronia villosa | B. Pitzer | 1998-2-2 | 3494 | Imperial | Algondones Dunes: South terminus of Ogilby Road on south side of Highway I-8. | 60 | Comment | ||
UCD109818 | Abronia villosa | B. L. Kay | 1979-5-2 | s.n. | Imperial | South side of Interstate Highway 8 where it passes through the dunes, ca. 2 miles west of turnoff to Ogilby, Algodones Dunes. | Comment | |||
UCR102688 | Abronia villosa | B. G. Pitzer | 1998-2-2 | 3494 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115385 | Abronia villosa | 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 | ||
SEINET887361 | Abronia villosa var. villosa | Leo A. Galloway | 1970-1 | 1226 | Imperial | 18 miles west of Yuma, Interstate 8. | 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 | ||
RSA167545 | Achyronychia cooperi | R. F. Thorne, Robert L. Rutherford | 1964-4-10 | 33563 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
RSA423495 | Achyronychia cooperi | H. de Forest, Jack Rempel | 1933-4-10 | s.n. | Imperial | Between Hwy 80 and Ogilby | Comment Read comments Oct 31 2011 |
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SEINET3104609 | Achyronychia cooperi | Sears | 1978-3-15 | 756 | Imperial | 3 mi S of Ogilby; Pilot Knob Mesa | 73 | Comment | ||
UCR102687 | Achyronychia cooperi | B. G. Pitzer | 1998-2-2 | 3492 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
SD48544 | Acmispon strigosus | E. K. Balls, P. C. Everett | 1958-3-20 | 22898 | Imperial | 0.5 miles north along road to Blythe from US Hwy 80, on dry sandy flats in sun | 60 | Comment | ||
SD143819 | Allionia incarnata var. villosa | B. Pitzer | 1997-10-19 | 3346 | Imperial | Ogilby Road, ca. 0.5 mile north of Highway I-8 at powerline road. | 91 | Comment | ||
UCR102042 | Amaranthus palmeri | B. G. Pitzer | 1997-10-19 | 3340 | Imperial | Sonoran (Colorado) Desert, Pilot Knob Mesa; E side of Ogilby Rd (Hwy S34), c. 1 mi north of powerline road immediately north of Hwy I-8, and 2.7 mi. south of railroad tracks at Ogilby; flats SSW of Ogilby Hills. | 100 | Comment | ||
SD250526 | Aphyllon cooperi subsp. cooperi | B. Pitzer | 1998-2-2 | 3507 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob, on and adjacent to N berm of All-American Canal, ca. 3.2 rd miles past the RV park. | 91 | Comment | ||
SEINET3107082 | Argythamnia serrata | Sears | 1978-3-15 | 755 | Imperial | 4.1 mi S of Ogilby at Obilby Road, exit I-10, southside edge of dunes in deep sand. | 61 | Comment | ||
UCD56417 | Aristida adscensionis | A. A. Beetle | 1942-4-22 | 3252 | Imperial | Jct. Rt. 80 with road to Ogilby. | Comment | |||
UCR115395 | Aristida adscensionis | 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 | ||
UCR102677 | Aristida californica | B. G. Pitzer | 1998-2-2 | 3476 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115384 | Aristida californica | 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 | ||
RSA302530 | Aristida californica var. californica | R. F. Thorne | 1977-11-26 | 50924 | Imperial | Colorado Desert: Near junction of Highway I-8 and Obilby [Ogilby] Road, just E of Algodones Dunes. | Comment | |||
RSA302353 | Asclepias subulata | R. F. Thorne, et al. | 1977-11-26 | 50917 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes | Comment | |||
RSA492674 | Asclepias subulata | W. Wisura | 1989-5-10 | 4342 | Imperial | 0.2 mi N of I 8 along Ogilby Rd. in sandy gravel. | Comment | |||
SD115033 | Asclepias subulata | Wayne P. Armstrong | 1983-5-10 | 1128 | Imperial | West side Ogilby Road (S-34) 100 meters north of junction with I-8 | 29 | Comment | ||
SD125155 | Asclepias subulata | Steven P. McLaughlin | 1985-5-31 | 3008 | Imperial | Eastern Imperial Co. Junction of Ogilby Road and I-8 | 64 | Comment Read comments May 25 2013 |
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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 | ||
SDSU18764 | Asclepias subulata | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 626 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
SEINET3081959 ![]() |
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 | ||
UCR100123 | Asclepias subulata | B. G. Pitzer | 1997-10-19 | 3343 | 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 | ||
UCR106263 | Astragalus | B. G. Pitzer | 1998-2-2 | 3493 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
RSA754257 | Astragalus insularis var. harwoodii | Robert F. Thorne, Robert Rutherford | 1964-4-10 | 33564 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment Read comments Jan 22 2012 |
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RSA800188 | Astragalus insularis var. harwoodii | Robert F. Thorne, R. Rutherford | 1964-4-10 | 33564 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
SD115067 | Astragalus insularis var. harwoodii | Wayne P. Armstrong | 1983-5-10 | Imperial | W. side Ogilby Road (S-34) 100 m N. of junction with I-8. | 29 | Comment | |||
SDSU18741 | Astragalus insularis var. harwoodii | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 631 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
UC1080347 | Astragalus insularis var. harwoodii | E. K. Balls and P. C. Everett | 1958-3-20 | 22890 | Imperial | 0.5 mi n along rd to Ogilby and Blythe from U.S. Hwy 80; n along rd to Ogilby and Blythe | 60 | Comment | ||
UCR112169 | Astragalus lentiginosus | Jon P. Rebman, A. Salywon, C. M. Christy | 1998-3-22 | 4939 | Imperial | Sonoran (Colorado) Desert, West off Yuma, AZ; in dune area at the junction of Ogilby Road and Interstate 8 | 30 | Comment | ||
CAS-BOT-BC187085 | Astragalus lentiginosus var. borreganus | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert: east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road | 69 | Comment | ||
POM186866 | Astragalus lentiginosus var. borreganus | Donald A. Johansen, J. A. Ewan | 1932-4-13 | 7142 | Imperial | Eastern edge of Sand Hills on Yuma Road at Ogilly turnoff | Comment | |||
POM214541 | Astragalus lentiginosus var. borreganus | Donald A. Johansen, J. A. Ewan | 1932-4-13 | 7142 | Imperial | Eastern edge of Sand Hills on Yuma Road at Ogilly turnoff | Comment | |||
POM291587 | Astragalus lentiginosus var. borreganus | Bonnie M. Rich | 1979-4-20 | 79002 | Imperial | Colorado dessert: Algadones Dunes. n the burm bordering the All American Canal, 0.8 miles south of the intersection of Interstate 8 and the All American Canal. | Comment | |||
RSA415578 | Astragalus lentiginosus var. borreganus | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7749 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA45524 | Astragalus lentiginosus var. borreganus | J. C. Roos, Lucille Roos | 1949-4-7 | 4166 | Imperial | West of Yuma Sand Dunes, near All American Canal. | Comment | |||
RSA643208 | Astragalus lentiginosus var. borreganus | J. P. Rebman, A. Salywon, C. Christy | 1998-3-22 | 4039 | Imperial | West of Yuma, AZ; in dune area at the junction of Ogilby Road and Interstate 8. | 30 | Comment | ||
RSA754255 | Astragalus lentiginosus var. borreganus | Robert F. Thorne, Robert Rutherford | 1964-4-10 | 33567 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment Read comments Jan 22 2012 |
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RSA800140 | Astragalus lentiginosus var. borreganus | Robert F. Thorne, Robert L. Rutherford | 1964-4-10 | 33567 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
SD115070 | Astragalus lentiginosus var. borreganus | Wayne P. Armstrong | 1983-5-10 | 1129 | Imperial | East side of Ogilby Road (S-34), 100 meters south of junction with I-8. (IPB 10/07) | 29 | Comment | ||
SD143916 | Astragalus lentiginosus var. borreganus | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2587 | Imperial | 0.2 mile south of junction of Ogilby Road and Highway I-8. | 46 | 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 | ||
SD144884 | Astragalus lentiginosus var. borreganus | Jon Rebman, A. Salywon & C. Christy | 1998-3-22 | 4939 | Imperial | West of Yuma, AZ; in dune area at the junction of Ogilby Road and Interstate 8 | 29 | Comment | ||
SEINET10442338 | Astragalus lentiginosus var. borreganus | J. G. Harrison | 2016-3-13 | s.n. | Imperial | Off [I-8] exit for Olgilby Road. | 26 | Comment | ||
UCR102685 | Astragalus lentiginosus var. borreganus | B. G. Pitzer | 1998-2-2 | 3488 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115392 | Astragalus lentiginosus var. borreganus | 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 | ||
UCR134120 | Astragalus lentiginosus var. borreganus | June Latting | 1978-5-1 | s.n. | Imperial | Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 | 69 | Comment | ||
POM122929 | Astragalus magdalenae var. peirsonii | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Sand dunes W. of Yuma | Comment | |||
RSA415867 | Astragalus magdalenae var. peirsonii | W. Hutchinson | 1929-1 | s.n. | Imperial | Near Yuma. | Comment | |||
RSA45523 | Astragalus magdalenae var. peirsonii | J. C. Roos | 1949-4-7 | 4170 | Imperial | West of Yuma. | Comment | |||
RSA605944 | Astragalus magdalenae var. peirsonii | R. S. Woglum | 1941-4-10 | 2913 b | Imperial | Sonoran Desert: Sand Hills west of Yuma (AZ). | Comment | |||
RSA754259 | Astragalus magdalenae var. peirsonii | Robert F. Thorne, Robert Rutherford | 1964-4-10 | 33572 | Imperial | Sand dunes ca. 17 miles west of Yuma near rest stop on Hwy. 80. | Comment Read comments Jan 22 2012 |
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SD126235 | Atriplex elegans var. fasciculata | Steven P. McLaughlin, Janice E. Bowers | 1985-9-11 | 3059 | Imperial | Near junction of Ogilby Road and I-8. | 64 | Comment | ||
SEINET4176937 ![]() |
Baileya pauciradiata | Sally Walker | 1970-3-13 | Imperial | 28 miles W of Yuma | Comment | ||||
JEPS23067 | Baileya pleniradiata | Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon | 1958-3-3 | 1812 | Imperial | 1 mi n of and along unpaved road from U.S. Highway 80 to Ogilby Highway 80; Colorado Desert | 76 | Comment | ||
POM350678 | Baileya pleniradiata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7755 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
POM350684 | Baileya pleniradiata | H. de Forest, Jack Rempel | 1933-4-10 | 17763 | Imperial | Between Highway 80 & Ogilby. | Comment | |||
RSA124375 | Baileya pleniradiata | E. K. Balls, Percy C. Everett | 1958-3-20 | 22893 | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80 | 60 | Comment | ||
RSA620655 | Baileya pleniradiata | B. Pitzer | 1998-2-2 | 3499 | Imperial | extension of Sidewinder Road, S and W of Pilot Knob R.V. park/campground, ca. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, ca. 3.2 road mi. past the R.V. park. | 91 | Comment | ||
SD144060 | Baileya pleniradiata | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2584 | Imperial | 0.2 mi. S of jct of Ogilby Rd & Hwy I-8 | 46 | Comment | ||
SD144489 | Baileya pleniradiata | B. Pitzer | 1998-2-2 | 3478 | Imperial | Algondones Dunes: Southern terminus of Ogilby Road, on south side of Highway I-8. (IPB 10/07) | 60 | Comment | ||
SD250434 | Baileya pleniradiata | B. Pitzer | 1998-2-2 | 3499 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob, on adjacent to N berm of All-American Canal, ca. 3.2 rd miles past the RV park. | 91 | Comment | ||
UC1078188 | Baileya pleniradiata | Reino Alava | 1958-3-3 | 1812 | Imperial | 1 mi n junction of road from Ogilby and the highways 80 and 98 | Comment | |||
UCR102679 | Baileya pleniradiata | B. G. Pitzer | 1998-2-2 | 3478 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
SD144130 | Bouteloua barbata | B. Pitzer | 1997-10-19 | 3344 | Imperial | Ogilby Rd, ca. 0.5 mi. N of Hwy I-8 at powerline road (which takes off to the E) | 91 | Comment | ||
UCR100118 | Bouteloua barbata | B. G. Pitzer | 1997-10-19 | 3344 | 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 | ||
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 | ||
UCD114627 | Brassica tournefortii | E. K. Balls; P. C. Everett | 1958-3-20 | 22894 | Imperial | 0.5 mi. n. along rd. to Blythe from U.S. Hwy. 80. | 60 | Comment | ||
UCR104607 | Brassica tournefortii | B. G. Pitzer | 1998-2-2 | 3489 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
RSA124290 | Camissonia boothii subsp. condensata | E. K. Balls, P. C. Everett | 1958-3-20 | 22889 | Imperial | 0.5 mi north of US Highway 80 on road to Blythe. | 61 | Comment | ||
RSA176302 | Camissonia boothii subsp. condensata | Robert L. Rutherford | 1964-4-10 | 33562 a | Imperial | SE Imperial County. East side of Sand Hills, ca 14 miles west of Yuma on Highway 80. | Comment | |||
RSA465953 | Camissonia boothii subsp. condensata | H. de Forest, Jack Rempel | 1933-4-10 | s.n. | Imperial | Between Highway 80 & Ogilby. | 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 | ||
UCR102674 | Camissonia claviformis | B. G. Pitzer | 1998-2-2 | 3473 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
RSA124289 | Camissonia claviformis subsp. aurantiaca | E. K. Balls, P. C. Everett | 1956-3-20 | 22888 | Imperial | Dry sandy flats; 0.5 mi. n. of U.S. Hwy. 80, road to Blythe. | 61 | Comment | ||
RSA135219 | Camissonia claviformis subsp. aurantiaca | William M. Klein | 1958-2-13 | 95 | Imperial | 1.0 mi. n. of the turn-off of U.S. 80 onto the road to Ogilby. | Comment | |||
RSA135549 | Camissonia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11508 | Imperial | 0.1 miles east of junction of Ogilby on United States Highway 80. | Comment | |||
RSA620646 | Camissonia claviformis subsp. claviformis | B. Pitzer | 1998-2-2 | 3498 | Imperial | Colorado Desert: extension of Sidewinder Rd. S & W of Pilot Knob RV park/campground, ca. 1 mi. (air) SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 rd mi. past the RV park. | 91 | Comment | ||
SEINET3108359 | Camissonia claviformis subsp. lancifolia | Sears | 1978-3-15 | 759 | Imperial | 3 mi S of Ogilby; Pilot Knob Mesa. | 73 | Comment | ||
RSA448968 | Camissonia claviformis subsp. yumae | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7743 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
SD250411 | Cenchrus ciliaris | Tom Zavortink, K. Lorenzen | 2009-3-11 | Imperial | Imperial County: Algodones Dunes, along Ogilby Road, 0.2 mile N of Hwy I-8. Just E of Ogilby Road. Algodones Dunes Insect Survey location AL 157. | 64 | Comment | |||
RSA302351 | Chamaesyce polycarpa | R. F. Thorne | 1977-11-26 | 50919 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | Comment | |||
RSA423257 | Chenopodium murale | H. de Forest, Jack Rempel | 1933-4-10 | 18306 | Imperial | Between Highway 80 & Ogilby. | Comment | |||
CAS-BOT-BC231761 | Chilopsis linearis | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert: east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road | 69 | Comment | ||
CAS-BOT-BC231765 | Chilopsis linearis | H. E. McMinn | 1925-6-29 | 1464 | Imperial | 16 miles west of Yuma, Ariz., on border of Sand Hills, Col. Desert | Comment | |||
RSA702721 | Chilopsis linearis | Tim Thibault | 2004-4-22 | 236 | Imperial | Southern terminus of S34 | 0 | Comment | ||
SD17610 | Chilopsis linearis | Allen Keller | 1937-5-31 | Imperial | 34.2 miles east of Holtville | 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 | ||
UCR134129 | Chilopsis linearis | June Latting | 1978-5-1 | s.n. | Imperial | Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 | 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 | |||
GH384782 | Chilopsis linearis subsp. arcuata | K. M. Wiegand & M. C. Wiegand | 1935-4-20 | 2191 | Unknown | Sand dunes, 14 miles west of Yuma | Comment | |||
RSA455313 | Chilopsis linearis subsp. arcuata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7747 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA455315 | Chilopsis linearis subsp. arcuata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7748 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA124327 | Chorizanthe corrugata | E. K. Balls, Percy C. Everett | 1958-3-20 | 22915 | Imperial | 2.4 mi. N of U. S Hwy. 80 on rd. to Blythe. | 91 | Comment | ||
SEINET3086728 ![]() |
Chorizanthe corrugata | R. G. Engard, K. C. Clausen, Jamie Koenig | 1979-4-14 | 1131 | Imperial | 6 miles west of Yuma, Arizona. South of U.S. Hwy. Interstate 8. | 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 | ||
RSA392742 | Chorizanthe rigida | H. de Forest, Jack Rempel | 1933-4-10 | s.n. | Imperial | Between Hwy 80 and Ogilby | Comment Read comments Oct 31 2011 |
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SBBG34970 | Chorizanthe rigida | T. L. Secrest | 1948-4-9 | Imperial | 6 mi S of Ogilby | Comment | ||||
UCD99890 | Chorizanthe rigida | D. W. Ragsdale | 1958-3-1 | 4 a | Imperial | on U.S. Highway 80 ca. 5 miles west of California inspection station. | 7 | Comment | ||
SD250510 | Chylismia claviformis subsp. aurantiaca | B. Pitzer | 1998-2-2 | 3498 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 air mile SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 road miles past the RV park. | 91 | Comment | ||
SD48486 | Chylismia claviformis subsp. aurantiaca | E. K. Balls, P. C. Everett | 1956-3-20 | 22888 | Imperial | On dry sandy flats, 0.5 miles north of US Highway 80, road to Blythe. (IPB 10/07) | 60 | Comment | ||
UC1184427 | Chylismia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11508 | Imperial | US Hwy 80 0.1 mi e junction of Ogilby | Comment | |||
GMDRC9407 | Chylismia claviformis subsp. yumae | J. M. Andre | 2017-3-4 | 37250 | 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 | ||
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 | ||
SBBG19071 | Croton californicus | F. E. Clements | 1923-4-3 | Imperial | Algodones, on Mexican border | Comment | ||||
SD250490 | Croton californicus | B. Pitzer | 1998-2-2 | 3510 | Imperial | Colorado Desert: extension of Sidwinder Road, S & W of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 rd miles past the RV park. | 91 | Comment | ||
SEINET9255222 ![]() |
Croton californicus var. californicus | Noel H. Holmgren, Patricia K. Holmgren | 1973-3-28 | 6539 | Imperial | Sand Hills, along Interstate Highway 8, 9 airline miles W of Yuma. | 122 | Comment | ||
SD138879 | Croton wigginsii | Brenda L. Stone, Jim Dice | 1996-4-29 | Imperial | Sand Hills overcrossing [to?] Interstate 8 west on-ramp, in Caltrans right-of-way, 8 feet from edge of pavement | 60 | Comment | |||
SEINET3107109 | Croton wigginsii | Sears | 1978-3-15 | 765 | Imperial | 4.1 mi S of Ogilby at Ogilby Road, exit I-10, southside edge of dunes in deep sand. | 61 | Comment | ||
POM368177 | Cryptantha angustifolia | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7751 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
POM368201 | Cryptantha angustifolia | H. de Forest, Jack Rempel | 1933-4-10 | 17757 | Imperial | Between Highway 80 & Ogilby. | Comment | |||
RSA124279 | Cryptantha angustifolia | E. K. Balls, P. C. Everett | 1958-3-20 | 22943 | Imperial | 2.4 mi. N of U. S Hwy. 80 on rd. to Blythe. | 91 | Comment | ||
RSA124319 | Cryptantha angustifolia | E. K. Balls, P. C. Everett | 1958-3-20 | 22910 | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80 | 60 | Comment | ||
SD144005 | Cryptantha angustifolia | B. Pitzer | 1998-2-2 | 3490 | Imperial | Algondones Dunes: S terminus of Ogilby Rd., on S side of Hwy. I-8. | 60 | Comment | ||
SD144006 | Cryptantha angustifolia | G. K. Helmkamp, E. A. Helmkamp | 1998-1-24 | 2586 | Imperial | 0.2 mi. S of jct. of Ogilby Rd. and Hwy I-8. | 46 | 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 | ||
SDSU18936 | Cryptantha angustifolia | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 629 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
UCR100958 | Cryptantha angustifolia | B. G. Pitzer | 1998-2-2 | 3490 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
GMDRC9402 | Cryptantha costata | J. M. Andre | 2017-3-4 | 37246 | 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 | ||
RSA499812 | Cryptantha costata | Christopher Davidson, A. Romspert, H. Surprenant | 1979-4-28 | 7752 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
SD144002 | Cryptantha costata | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2588 | Imperial | 0.2 mi. S of jct. of Ogilby Rd. and Hwy. I-8. | 46 | Comment | ||
SD144003 | Cryptantha costata | B. Pitzer | 1998-2-2 | 3486 | Imperial | Algondones Dunes: South terminus of Ogilby Rd., on South side of Hwy. I-8, soft blow sand in partially stabilized dunes (mak 10/07) | 60 | Comment | ||
SDSU18932 | Cryptantha costata | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 630 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
SDSU18933 | Cryptantha costata | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 624 | Imperial | Eastern edge of Algodones Dunes, 300m south of I-8 and 500m east of the All-American Canal. | 78 | Comment | ||
UCR100950 | Cryptantha costata | B. G. Pitzer | 1998-2-2 | 3486 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR103359 | Cryptantha costata | George K. Helmkamp, E. Helmkamp | 1998-1-24 | 2588 | Imperial | Sonoran (Colorado) Desert, 0.2 mi. south of junction of Ogilby Rd & Hwy I-8 | 46 | Comment | ||
RSA124328 | Cryptantha maritima | E. K. Balls | 1958-3-20 | 22914 | Imperial | 2.4 mi. N of U. S Hwy. 80 on rd. to Blythe. | 91 | Comment | ||
UC1080287 | Cryptantha maritima | E. K. Balls and P. C. Everett | 1958-3-20 | 22943 | Imperial | 2.4 mi n U.S. Hwy. 80 jct. (on rd to Blythe) | 91 | Comment | ||
UC1080350 | Cryptantha maritima | E. K. Balls and P. C. Everett | 1958-3-20 | 22914 | Imperial | 2.4 mi n U.S. Hwy. 80 (on rd to Blythe) | 91 | Comment | ||
RSA404186 | Dalea mollis | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7761 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA620647 | Dalea mollis | B. Pitzer | 1998-2-2 | 3497 | Imperial | extension of Sidewinder Road, S and W of Pilot Knob R.V. park/campground, ca. 1 mi. airline SW of Pilot Knob, on and adjacent to N berm of All-America Canal, ca. 3.2 road mi. past the R.V. park. | 91 | Comment | ||
SD250496 | Dalea mollis | B. Pitzer | 1998-2-2 | 3497 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on & adjacent to N berm of All-America Canal, ca. 3.2 road miles past the RV park. | 91 | Comment | ||
RSA302346 | Datura discolor | Robert F. Thorne | 1977-11-26 | 50925 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | 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 | ||
UCR115396 | Datura discolor | 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 | ||
UCR33524 | Datura discolor | Sears | 1978-3-15 | 753 | Imperial | Sonoran (Colorado) Desert, 4.1 mi south of Ogilby at Ogilby rd, exit I 10 | 61 | Comment | ||
CAS-BOT-BC292146 | Dicoria canescens | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert: east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road | 69 | Comment | ||
SEINET2082704 | Dicoria canescens | G. Rink | 2003-12-18 | 2999 | Imperial | Algodones Dunes, Buttercup area, south of I-8 | 60 | Comment | ||
SEINET281558 | Dicoria canescens | A. L. Reina, T. R. Van Devender | 1996-4-27 | 96 -218 | Unknown | Gray's Well Exit on Interstate 8, 24 Km. west of Winterhaven, Imperial (Agodones) Dunes. USA, California. 32 deg. 43'50 N, 114 deg. 53'0 W; 55 m.s.n.m. | Comment Read comments Jan 8 2016 |
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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 | ||
SD126257 | Ditaxis neomexicana | Steven P. McLaughlin, Janice E. Bowers | 1985-9-11 | 3062 | Imperial | near junction of Ogilby Road & I-8 | 70 | Comment | ||
SD185199 | Ditaxis neomexicana | B. G. Pitzer | 1998-2-2 | 3508 | Imperial | Extension of Sidewinder Road, south and west of Pilot Knob RV park. | 60 | Comment | ||
RSA124322 | Ditaxis serrata | E. K. Balls, Percy C. Everett | 1958-3-20 | s.n. | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80. | 60 | Comment | ||
RSA302350 | Ditaxis serrata | R. F. Thorne | 1977-11-26 | 50920 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | 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 Read comments Sep 14 2016 |
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UCR115387 | Ditaxis serrata | 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 | ||
OBI37634 | Ditaxis serrata var. serrata | Robert F. Thorne, et al. | 1977-11-26 | 50920 | Imperial | Colorado Desert: near jctn of hwy 18 and Obilby Rd, just E of Algodones Dunes | Comment | |||
RSA124321 | Dithyrea californica | E. K. Balls, P. C. Everett | 1958-3-20 | 22908 | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80 | 60 | Comment | ||
RSA167544 | Dithyrea californica | R. F. Thorne, Robert L. Rutherford | 1964-4-10 | 33561 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80 | Comment | |||
SD143977 | Dithyrea californica | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2585 | Imperial | 0.2 miles south of junction of Ogilby Road and Hwy I-8 | 46 | Comment | ||
SD35543 | Dithyrea californica | L. M. Huey | 1945-3-11 | Imperial | 5 miles west of Pilot Knob | Comment | ||||
SD48527 | Dithyrea californica | E. K. Balls, P. C. Everett | 1958-3-20 | 22908 | Imperial | 0.5 miles north from US Highway 80 on road to Blythe | 60 | Comment | ||
UCR102681 | Dithyrea californica | B. G. Pitzer | 1998-2-2 | 3480 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
GH414484 | Encelia frutescens | A. M. Alexander & L. Kellogg | 1941-3-11 | 1926 | Unknown | 10 miles west of Yuma, Colorado Desert | Comment | |||
UC669288 | Encelia frutescens | Annie M. Alexander and Louise Kellogg | 1941-3-11 | 1926 | Imperial | 10 mi w Yuma; Colorado Desert | Comment | |||
RSA383816 | Ephedra trifurca | Edwin Kline | 1920-3-13 | s.n. | Imperial | Sand Dunes near Ariz. border. | Comment | |||
SD250393 | Ephedra trifurca | B. Pitzer | 1998-2-2 | 3506 | Imperial | Colorado Desert: Extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1.0 mile (air) SW of Pilot Knop, on and adjacent to N berm of All-America Canal, ca. 3.2 rd mi. past the RV Park. | 91 | Comment | ||
UCR142997 | Ephedra trifurca | Edwin Kline | 1920-3-13 | s.n. | Imperial | Sonoran (Colorado) Desert, sand dunes near Arizona border | 200 | Comment | ||
RSA432721 | Eremalche rotundifolia | H. de Forest, Jack Rempel | 1933-4-10 | 17759 | Imperial | Between Highway 80 & Ogilby. | 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 | |||
SD48487 | Eremothera boothii subsp. condensata | E. K. Balls, P. C. Everett | 1958-3-20 | 22889 | Imperial | 0.5 mile north of U. S. Highway 80 on road to Blythe. | 60 | Comment | ||
CAS-BOT-BC246468 | Eriogonum deserticola | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert: east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road | 69 | 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 | ||
RSA195565 | Eriogonum deserticola | John H. Thomas | 1967-9-8 | 14103 | Imperial | Between El Centro and Yuma near the crossing of the All American Canal. | Comment | |||
RSA492695 | Eriogonum deserticola | Walter Wisura | 1989-5-10 | 4341 | Imperial | Just S of I8 at Ogilby Rd. off ramp. | Comment | |||
SD143786 | Eriogonum deserticola | B. Pitzer | 1997-10-18 | 3321 | Imperial | Immediately S of Hwy I-8 at the Ogilby Rd entrance. | 91 | Comment | ||
SEINET2082889 | Eriogonum deserticola | G. Rink | 2003-12-18 | 2998 | Imperial | Algodones Dunes, Buttercup area, south of I-8 | 60 | Comment | ||
UCD99868 | Eriogonum deserticola | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert; east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road. | 69 | Comment | ||
UCR115377 | Eriogonum deserticola | 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 | ||
UCR99994 | Eriogonum deserticola | B. G. Pitzer | 1997-10-18 | 3321 | Imperial | Sonoran (Colorado) Desert, Immediately south of Hwy I-8 at the Ogilby Road entrance to the freeway; S end of Algodones Dunes. | 91 | Comment | ||
RSA171066 | Eriogonum thomasii | Robert F. Thorne, Robert Rutherford | 1964-4-10 | 33560 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
SEINET3087257 ![]() |
Eriogonum thomasii | Norman C. Cooper | 1949-3-16 | 3040 | Imperial | Sand dunes west of Yuma. | Comment | |||
UCD142575 | Euphorbia micromera | Robert F. Thorne; et al. | 1977-11-26 | 50918 | Imperial | Colorado Desert. Near junction of Hwy. 18 and Obilby Rd., just E of Algodones Dunes. | Comment | |||
SD254603 | Euphorbia polycarpa | B. Pitzer | 1997-10-19 | 3347 B | Imperial | Immediately south of Highway I-8 at the Ogilby Rd entrance. | 91 | 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 | |||
UCR100117 | Euphorbia polycarpa | B. G. Pitzer | 1997-10-19 | 3347 A | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, immediately south of Hwy I-8 at the Ogilby Road entrance to the freeway; S end of the dunes | 91 | 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 | ||
RSA302347 | Geraea canescens | R. F. Thorne | 1977-11-26 | 50923 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | Comment | |||
SD35542 | Geraea canescens | L. M. Huey | Mar 1945 | Imperial | 5.0 miles west of Pilot Knob. | Comment | ||||
CAS-BOT-BC305772 | Helianthus niveus | Roxana S. Ferris | 1928-4-19 | 7122 | Imperial | Yuma side of sand hills on Jacumba--Yuma Highway | Comment | |||
HSC66567 | Helianthus niveus subsp. tephrodes | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7746 | Imperial | Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal | 41 | Comment | ||
POM122927 | Helianthus niveus subsp. tephrodes | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Sand dunes W. of Yuma | Comment | |||
POM160491 | Helianthus niveus subsp. tephrodes | Marcus E. Jones | 1928-12-28 | s.n. | Imperial | Sand dunes near Yuma. | Comment | |||
POM360024 | Helianthus niveus subsp. tephrodes | M. French Gilman | 1928-4-15 | 170 | Imperial | Peg Legs. | Comment | |||
POM360025 | Helianthus niveus subsp. tephrodes | M. B. Dunkle | 1935-4-19 | 4582 | Imperial | W. of Yuma. Colorado Desert | 30 | Comment | ||
RSA360023 | Helianthus niveus subsp. tephrodes | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7746 | Imperial | Alogodunes Dunes, dirt track continuation of Ogilby Rd., ca. 1/8 mile from All American Canal. | 41 | Comment | ||
SD13012 | Helianthus niveus subsp. tephrodes | A. B. Clayton | 1935-12-29 | Imperial | Sand dunes near Yuma. | Comment | ||||
SDSU18367 | Helianthus niveus subsp. tephrodes | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 633 | Imperial | Eastern edge of the Algodones Dunes. North of Interstate 8 and All-American Canal ca 0.5km. Northeast of Gray's Well Road exit ca. 1.5km. Access to area from Ogilby Road. | 78 | Comment | ||
SDSU18386 | Helianthus niveus subsp. tephrodes | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 633 | Imperial | Eastern edge of the Algodones Dunes. North of Interstate 8 and All-American Canal ca 0.5km. Northeast of Gray's Well Road exit ca. 1.5km. Access to area from Ogilby Road. | 78 | Comment | ||
SD144136 | Hesperocallis undulata | B. Pitzer | 1998-2-2 | 3481 | Imperial | Algodones Dunes, south terminus of Ogilby Road, on south side of Highway I-8. In small depression where there had previously been standing water. | 60 | Comment | ||
UCR102682 | Hesperocallis undulata | B. G. Pitzer | 1998-2-2 | 3481 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
SD35529 | Hilaria rigida | Lawrence Huey | Mar 1945 | Imperial | 5 miles west of Pilot Knob | Comment | ||||
UCD89914 | Hilaria rigida | A. A. Beetle | 1942-4-22 | 3174 | Imperial | junction of Rt. 80 and road to Ogilby. | Comment | |||
UCD89915 | Hilaria rigida | A. A. Beetle | 1942-4-22 | 3174 | Imperial | junction of Rt. 80 and road to Ogilby. | Comment | |||
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 | ||
UCR115399 | Hilaria rigida | June Latting | 1977-12-11 | s.n. | Imperial | Sonoran/Colorado Desert, east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road | 69 | Comment | ||
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 | ||
UC1192239 | Kallstroemia californica | Malcolm A. Nobs, S. Galen Smith | 1948-9-5 | 546 | Imperial | about 5 mi e of Gray's Well (Highway 80, public water station adjacent to All-American Canal); Highway 80 | Comment | |||
UCD107175 | Kallstroemia californica | Malcolm A. Nobs; S. Galen Smith | 1948-9-5 | 546 | Imperial | Highway 80, about 5 miles east of Gray's Well, public water station adjacent to All-American Canal. | Comment | |||
UCR102043 | Kallstroemia californica | B. G. Pitzer | 1997-10-19 | 3342 | 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 | ||
UCR107436 | Kallstroemia californica | B. G. Pitzer | 1997-10-19 | 3339 | Imperial | Sonoran (Colorado) Desert, Pilot Knob Mesa; E side of Ogilby Rd (Hwy S34), c. 1 mi north of powerline road immediately north of Hwy I-8, and 2.7 mi. south of railroad tracks at Ogilby; flats SSW of Ogilby Hills. | 100 | Comment | ||
SEINET10635190 | Larrea divaricata var. arenaria | Richard S. Felger | 2003-3-28 | Felger 03 -379 | Imperial | Ca. 0.5 km southward from end of Ogilby Road, Algodones Dunes. (GPS, WGS 84). Moving dunes, sparse vegetation; Larrea, Eriogonum deserticola, Tiquilia plicata, Oenothera deltoides, Cryptantha spp., Dicoria cansescens, Palafoxia arida, Astragalus sp. Type locality for this variety. | 60 | Comment | ||
SEINET782828 ![]() |
Larrea divaricata var. arenaria | Richard Felger, Catheleyne D'hondt, Tasha La Doux, Gerda Sauer, Wilhelm Sauer, Peter Schols | 2003-1 | 03 -379 | Imperial | ca 0.5 km southward from end of Ogilby Road, Algodones Dunes | 60 | Comment | ||
POM48754 | Larrea tridentata | W. R. Dudley | 1895-1-1 | s.n. | Imperial | Mexa S.W. of Yuma. | Comment Read comments Aug 27 2016 |
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RSA389994 | Larrea tridentata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7758 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
SD117940 | Larrea tridentata | Amadeo Rea | 24-25 Feb 1983 | 456 a | Imperial | Just north of I-8 interchange at exit for S-34 and Glamis | Comment | |||
SD180037 | Larrea tridentata var. arenaria | Richard S. Felger, C. Dhondt, T. La Doux, et al. | 2003-3-28 | 03 379 | Imperial | Ca. 0.5 km southward from end of Ogilby Road, Algodones Dunes, in moving dunes. Type locality for this variety. | Comment | |||
SEINET892319 | Larrea tridentata var. arenaria | R. S. Felger, Catheleyne D'hondt, Tasha La Doux, Gerda Sauer, Wilhem Sauer, Peter Schols. | 2003-1 | 03 -379 | Imperial | Ca. 0.5 km southward from end of Ogilby Road, Algodones Dunes. | 60 | Comment | ||
RSA124283 | Lepidium lasiocarpum | E. K. Balls, P. C. Everett | 1958-3-20 | 22939 | Imperial | 2.4 mi. N of U. S Hwy. 80 on rd. to Blythe. | 91 | Comment | ||
UCD115673 | Lepidium lasiocarpum subsp. lasiocarpum | E. K. Balls; P. C. Everett | 1958-3-20 | 22939 | Imperial | 2.4 mi. n. of jct. with U.S. Hwy. 80, on road to Blythe. | 91 | Comment | ||
RSA511001 | Lotus strigosus var. strigosus | Robert L. Rutherford | 1964-4-1 | 33562 | Imperial | east side Sand Hills, ca 14 miles W of Yuma on Hwy 80. | Comment | |||
RSA498722 | Lotus tomentellus | H. de Forest, Jack Rempel | 1933-4-10 | 17765 | Imperial | Between Highway 80 & Ogilby. | Comment Read comments Feb 22 2014 |
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UCR60908 | Lotus tomentellus | R. F. Thorne, Robert L. Rutherford | 1964-4-10 | 33562 | Imperial | Sonoran (Colorado) Desert, E side Sand Hills, c. 14 mi. west of Yuma on Hwy 80. | Comment | |||
RSA440388 | Mentzelia desertorum | H. de Forest, Jack Rempel | 1933-4-10 | 18305 | Imperial | Between Highway 80 & Ogilby. | Comment | |||
UCR102689 | Mentzelia involucrata | B. G. Pitzer | 1998-2-2 | 3495 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
JEPS23066 | Mentzelia longiloba | Reino Alava with R. Bacigalupi, and Dr. and Mrs. Rolla Tryon''Reino Alava (with R. Bacigalupi, and Dr. and Mrs. Rolla Tryon) | 1958-3-3 | 1811 | Imperial | From U. S. Highway 80 to Ogilby, 1 mile north of U. S. Highway 80. Colorado Desert. | Comment | |||
SD143866 | Mentzelia longiloba | B. Pitzer | 1998-2-2 | 3495 | Imperial | Algodones Dunes: south terminus of Ogilby Road, on South side of Hw I-8 | 60 | 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 | ||
SD35541 | Mentzelia longiloba var. longiloba | L. M. Huey | March 1945 | Imperial | 5 miles west of Pilot Knob. | Comment | ||||
SEINET877378 | Mentzelia longiloba var. longiloba | Steven P. McLaughlin | 2005-1 | 10267 | Imperial | Southeastern edge of Algodones Dunes, near junction of I-10 and Ogilby Road | 60 | Comment | ||
SEINET889860 | Mentzelia longiloba var. longiloba | Steven P. McLaughlin | 1986-1 | 3136 | Imperial | along frontage road north of I-8 | 91 | Comment | ||
UCR134128 | Mentzelia longiloba var. longiloba | June Latting | 1978-5-1 | s.n. | Imperial | Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 | 69 | Comment | ||
UCR82250 | Mentzelia longiloba var. longiloba | J. M. Stewart | 1994-3-21 | 794 | Imperial | Colorado River Valley, Glamis Dunes, along Interstate Hwy 8, 1 mi. west of Brock Research Center Drive. | Comment | |||
OBI37633 | Mentzelia multiflora | Robert F. Thorne, et al. | 1977-11-26 | 50921 | Imperial | Near jctn of hwy 18 and Obilby Rd, just E of Algodones Dunes | Comment | |||
SDSU18736 | Mentzelia multiflora subsp. longiloba | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 632 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
RSA69546 | Mentzelia multiflora var. longiloba | Donald A. Johansen, Joseph A. Ewan | 1932-4-13 | 7128 | Imperial | Eastern edge of Sand Hills on Yuma Road at Ogilly turnoff | Comment | |||
UC1078159 | Nama | Reino Alava | 1958-3-3 | 1807 | Imperial | junction of the Highway 80 -98 and the road from Ogilby Ogilby | 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 | ||
RSA421158 | Nama hispida var. revoluta | Edwin Kline | 1920-3-13 | s.n. | Imperial | Sand Dunes near Ariz. border. | Comment | |||
RSA124278 | Nama hispida var. spathulata | E. K. Balls | 1958-3-20 | 22942 | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80. | 61 | Comment | ||
RSA421156 | Nama hispida var. spathulata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7745 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
SD125164 | Nama hispida var. spathulata | Steven P. McLaughlin, Janice E. Bowers | 1985-3-10 | 2947 | Imperial | Along Highway S34 just north of I 8. | 67 | Comment | ||
RSA124323 | Nicotiana obtusifolia | E. K. Balls, Percy C. Everett | 1958-3-20 | 22913 | Imperial | 2.4 mi. N of U. S Hwy. 80 on rd. to Blythe. | 91 | Comment | ||
SD143795 | Oenothera deltoides | B. Pitzer | 1998-2-2 | 3487 | Imperial | Algondones Dunes, south terminus of Ogilby Road, on south side of Highway I-8. | 60 | Comment | ||
SEINET5563069 | Oenothera deltoides | Robert A. Raguso | 1998-1 | 98 -X | Imperial | Ogilve Rd. Exit, I-8 | Comment | |||
UCR102684 | Oenothera deltoides | B. G. Pitzer | 1998-2-2 | 3487 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115393 | Oenothera deltoides | 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 | ||
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 | ||
JEPS23062 | Oenothera deltoides subsp. deltoides | Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon | 1958-3-3 | 1806 | Imperial | at junction of US Hwy 80 with road from Ogilby; Colorado Desert | 67 | Comment | ||
POM355312 | Oenothera deltoides subsp. deltoides | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7741 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | 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 | ||
RSA75406 | Oenothera deltoides subsp. deltoides | F. W. Peirson | 1932-3-21 | 9778 | Imperial | E edge of sand hills, Holtsville -Yuma Road | 61 | Comment | ||
SD144862 | Oenothera deltoides subsp. deltoides | Jon P. Rebman, A. Salywon & C. Christy | 1998-3-22 | 4940 | Imperial | West of Yuma, AZ, in dune area at the junction of Ogilby Road and Interstate 8. (IPB 10/07) | 29 | Comment | ||
SDSU18770 | Oenothera deltoides subsp. deltoides | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 622 | Imperial | North of I-8 ca. 0.5km and east of the All-American Canal ca. 50m. Adjacent to the canal as it passes through the Algodones Dunes. | 73 | Comment | ||
SDSU18776 | Oenothera deltoides subsp. deltoides | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 622 | Imperial | North of I-8 ca. 0.5km and east of the All-American Canal ca. 50m. Adjacent to the canal as it passes through the Algodones Dunes. | 73 | Comment | ||
UCR120096 | Oenothera deltoides subsp. deltoides | Jon P. Rebman, A. Salywon, C. M. Christy | 1998-3-22 | 4940 | Imperial | Sonoran (Colorado) Desert, West off Yuma, AZ; in dune area at the junction of Ogilby Road and Interstate 8 | 30 | Comment | ||
RSA124373 | Oenothera primiveris subsp. bufonis | E. K. Balls, Percy C. Everett | 1958-3-20 | 22892 | Imperial | 0.5 miles north of U.S. Hwy. 80, along road to Blythe. | 61 | Comment | ||
RSA124374 | Oenothera primiveris subsp. primiveris | E. K. Balls, P. C. Everett | 1958-3-20 | 22892 | Imperial | 0.5 miles N along road to Ogilby and Blythe from U.S. Hwy 80. | 61 | Comment | ||
RSA399167 | Oligomeris linifolia | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7744 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA399177 | Oligomeris linifolia | H. de Forest, Jack Rempel | 1933-4-10 | s.n. | Imperial | Between Hwy 80 and Ogilby | Comment Read comments Oct 31 2011 |
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RSA399178 | Oligomeris linifolia | H. de Forest, F. Detmers | 1933-3-26 | s.n. | Imperial | Ogilby, Hwy 80. | Comment Read comments Oct 31 2011 |
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SEINET3074405 ![]() |
Oligomeris linifolia | Norman C. Cooper | 1949-3-15 | 3038 | Imperial | West of Yuma. | 240 | Comment | ||
RSA492675 | Olneya tesota | W. Wisura | 1989-5-10 | 4343 | Imperial | 2.4 mi N of I 8 along Ogilby Rd. along gravelly wash. | Comment | |||
UCR27205 | Olneya tesota | 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 | |||
SEINET5547582 | Onagraceae | Robert A. Raguso | 1998-1 | 98 -4 | Imperial | Algodones Dunes, Olgilve Rd. Exit 1.2 mile N. of I-8, near RV campground. | Comment | |||
SEINET5547589 | Onagraceae | Robert A. Raguso | 1998-1 | 98 -7 | Imperial | Algodones Dunes, Ogilby Rd. Exit, 0.5 miles S. of I-8. | Comment | |||
SEINET5578747 | Onagraceae | Steven P. McLaughlin | 1998-1 | 7395 | Imperial | Deep sandy soil near junction of I-8 and Ogilby Road | 200 | Comment | ||
UCR115389 | Orobanche cooperi | 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 | ||
CAS-BOT-BC327860 | Palafoxia arida | Annie M. Alexander; Louise Kellogg | 1941-3-13 | 1935 | Imperial | Colorado Desert. 3 miles S of Ogilby | 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 | ||
RSA176233 | Palafoxia arida | R. F. Thorne, Robert L. Rutherford | 1964-4-10 | 33557 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
RSA702720 | Palafoxia arida | Tim Thibault | 2004-4-22 | 237 A | Imperial | Southern terminus of S34 | 0 | Comment | ||
SD144028 | Palafoxia arida | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2589 | Imperial | 0.2 mi S of jct of Ogilby Rd and Hwy I-8. | 46 | Comment | ||
SD250450 | Palafoxia arida | B. Pitzer | 1998-2-2 | 3500 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Know RV park/campground, ca. 1 mile (air) SW of Pilot Know, on & adjacent to N berm of All-American Canal, ca. 3.2 road miles past the RV park. | 91 | Comment | ||
SEINET4916724 | Palafoxia arida | A. L. Reina, T. R. Van Devender | 1996-4-27 | 96 -220 | Unknown | Gray's Well Exit on Interstate 8, 24 Km. west of Winterhaven, Imperial (Agodones) Dunes. USA, California. 32 deg. 43'50 N, 114 deg. 53'0 W; 55 m.s.n.m. | Comment Read comments Jan 8 2016 |
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RSA124377 | Palafoxia arida var. arida | E. K. Balls | 1958-3-20 | 22895 | Imperial | 0.5 mile N along road to Ogilby from U.S. Hwy. 80. | 61 | Comment | ||
RSA176291 | Palafoxia arida var. arida | R. F. Thorne, Robert L. Rutherford | 1964-4-10 | 33557 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
RSA603893 | Palafoxia arida var. arida | A. C. Keller | 1937-5-31 | s.n. | Imperial | 34.2 miles east of Holtville. | Comment | |||
UC669287 | Palafoxia arida var. arida | Annie M. Alexander and Louise Kellogg | 1941-3-13 | 1935 | Imperial | 3 mi s Ogilby; Colorado Desert | Comment | |||
POM363734 | Palafoxia arida var. gigantea | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7742 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA592920 | Palafoxia arida var. gigantea | Ana L. Reina G., T. R. Van Devender | 1996-4-27 | 96 -220 | Imperial | Gray's well exit on Hwy 8, 24 km west of Winterhaven, Imperial Sand Dunes Recreation Lands | 55 | Comment | ||
SD108087 | Palafoxia arida var. gigantea | B. L. Turner | 1962-4-19 | 4757 | Imperial | Dune area, 15 miles west of Yuma | Comment | |||
SD138925 | Palafoxia arida var. gigantea | Brenda L. Stone, Jim Dice | 1996-4-29 | Imperial | Sand Hills overcrossing [to?] Interstate 8 west on-ramp, in Caltrans right-of-way, 4-5 feet from edge of pavement | 60 | Comment | |||
SD144029 | Palafoxia arida var. gigantea | B. Pitzer | 1998-2-2 | 3477 | Imperial | Algondones Dunes: S terminus of Ogilby Rd. on S side of Hwy I-8. | 60 | Comment | ||
SDSU18373 | Palafoxia arida var. gigantea | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 635 | Imperial | Algodones Dunes area. Collection made ca. 50m south of I-8 off temporary gravel frontage road used to access construction staging area adjacent to the east edge of the All-American Canal. Access to frontage road at Ogilby Road exit. | 62 | Comment | ||
SDSU18392 | Palafoxia arida var. gigantea | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 635 | Imperial | Algodones Dunes area. Collection made ca. 50m south of I-8 off temporary gravel frontage road used to access construction staging area adjacent to the east edge of the All-American Canal. Access to frontage road at Ogilby Road exit. | 62 | 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 | ||
SEINET238517 | Palafoxia arida var. gigantea | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert: east side of Algodones Sand Dunes Pilot Knob Mesa south side of I-8 at Ogilby Road. | 69 | Comment | ||
SEINET891496 | Palafoxia arida var. gigantea | Unknown | 1996-1 | 96 -220 | Imperial | Grays Well Exit on Interstate 8, 24 km W. of Winterhaven, Imperial (Algodones) Dunes, Imperial Sand Dunes Recreation Lands | 55 | Comment | ||
UC1746487 | Palafoxia arida var. gigantea | J. Latting | 1977-12-11 | Imperial | E side of Algodones Sand Dunes; Sonoran desert, Pilot Knob Mesa | 69 | Comment | |||
UCD134884 | Palafoxia arida var. gigantea | J. Latting | 1977-12-11 | s.n. | Imperial | Sonoran Desert; east side of Algodones Sand Dunes, Pilot Knob Mesa, south side of I-8 at Ogilby Road. | 69 | Comment | ||
UCR102678 | Palafoxia arida var. gigantea | B. G. Pitzer | 1998-2-2 | 3477 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115382 | Palafoxia arida var. gigantea | 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 | ||
UCR16704 | Palafoxia arida var. gigantea | Anonymous | 1969-5-24 | 11 | Imperial | Sonoran (Colorado) Desert, along Hwy 8 in the sand dunes to the west of Yuma, near a frontage road that turns off to the south | 91 | Comment | ||
UCR33542 | Palafoxia arida var. gigantea | Sears | 1978-3-15 | 764 | Imperial | Sonoran (Colorado) Desert, 4.1 mi south of Ogilby at Ogilby rd, exit I 10 | 61 | Comment | ||
UCR97014 | Palafoxia arida var. gigantea | A. L. Reina G., T. R. Van Devender | 1996-4-27 | 96- 220 | Imperial | Sonoran/Colorado Desert, Gray's Well Exit on Interstate 8, 24 m west of Winterhaven, Imperial (Algodones) Dunes, Imperial Sand Dunes Recreation Lands | 55 | Comment | ||
CAS-BOT-BC253905 | Panicum urvilleanum | R. J. Barr | 1966-5-30 | 66 -37 | Imperial | 16 miles W of Yuma, Arizona | Comment | |||
JEPS70593 | Panicum urvilleanum | W. L. Jepson | 1927-4-16 | 11743 | Imperial | Algodones Sand Hills near Pilot Knob (Colorado River); , Algodones Sand Hills | 76 | Comment | ||
POM366027 | Panicum urvilleanum | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7757 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | 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 | |||
RSA302348 | Pectis papposa | R. F. Thorne | 1977-11-26 | 50922 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes | 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 | ||
SD144027 | Pectis papposa | B. Pitzer | 1997-10-19 | 3345 | Imperial | Ogilby Rd. ca. 0.5 mi N of Hwy I-8 at powerline road (which takes off to the E). | 91 | Comment | ||
UCR115388 | Pectis papposa | 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 | ||
UC1531092 | Pectis papposa var. papposa | Robert F. Thorne et al. | 1977-11-26 | 50922 | Imperial | just e Algodones Dunes (near junction of Highway I-8 and Ogilby Rd.); Colorado Desert | Comment | |||
UCD103519 | Pennisetum ciliare | Tom Zavortink; K. Lorenzen | 2009-3-11 | s.n. | Imperial | Algodones Dunes, Along Ogilby Rd, 0.2 mi N of Hwy I-8. Just E of Ogilby Rd. | 64 | Comment | ||
CAS-BOT-BC230595 | Pholisma sonorae | M. French Gilman | 1928-4-15 | s.n. | Imperial | W of Yuma | Comment | |||
CAS-BOT-BC230598 | Pholisma sonorae | M. French Gilman | 1928-4-1 | s.n. | Imperial | W of Yuma | Comment | |||
RSA446408 | Pholisma sonorae | Christopher Davidson, Romsport, Surprenant | 1979-4-28 | 7759 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
RSA77813 | Pholisma sonorae | Mabel Peirson | 1932-3-21 | 9781 | Imperial | Holtville to Yuma Rd. | 61 | Comment | ||
RSA89981 | Pholisma sonorae | J. C. Roos | 1949-4-7 | 4984 | Imperial | Between Yuma and Imperial Valley | 61 | Comment | ||
UCR95847 | Pholisma sonorae | Laurence Cook | 1936-6-13 | s.n. | Imperial | Sonoran/Colorado Desert, 'Sand Hills' [= Algodones Dunes] at junction of U.S. Hwy 80 and the road to the All American Canal. | 61 | Comment | ||
CAS-BOT-BC135059 | Phoradendron californicum | W. R. Dudley | 1895-1-1 | s.n. | Imperial | SW of Yuma | Comment | |||
SD143746 | Plantago ovata | B. Pitzer | 1998-2-2 | 3485 | Imperial | Algondones Dunes; south terminus of Ogilby Road on south side of Highway I-8. | 60 | Comment | ||
UCR104609 | Plantago ovata | B. G. Pitzer | 1998-2-2 | 3485 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
RSA167767 | Plantago ovata var. fastigiata | Robert F. Thorne, R. Rutherford | 1964-4-10 | 33565 | Imperial | East side Sand Hills, 14 miles west of Yuma on Hwy 80. | Comment | |||
RSA418535 | Plantago ovata var. fastigiata | Gordon Marsh, Karlin G. Marsh | 1978-4-1 | s.n. | Imperial | S end of Glamis Sand Hills, 0.5 mile S of Hwy 8 on Ogilby Road exit | Comment | |||
UCD124543 | Plantago ovata var. fastigiata | Robert F. Thorne; Robert Rutherford | 1964-4-10 | 33565 | Imperial | East side of Sand Hills, ca. 14 miles west of Yuma on Highway 80. | Comment | |||
CDA32627 | Pleuraphis rigida | A. A. Beetle | 1942-4-22 | 3174 | Imperial | Junction of Route 80 and road to Ogilby | 0 | Comment | ||
SEINET732639 | Pleuraphis rigida | D. J. Pinkava | 1965-4-16 | 2026 -b | Imperial | 9 mi. from Arizona-California border on Rt. 80 | Comment | |||
UCR102675 | Prosopis glandulosa | B. G. Pitzer | 1998-2-2 | 3474 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
RSA702722 | Prosopis glandulosa var. torreyana | Tim Thibault | 2004-4-22 | 235 | Imperial | Southern terminus of S34 | 0 | Comment | ||
SD143889 | Prosopis glandulosa var. torreyana | B. Pitzer | 1998-2-2 | 3474 | Imperial | Algondones Dunes: south terminus of Ogilby Road, on south side of highway 1-8 | 60 | Comment | ||
CAS-BOT-BC337448 | Psorothamnus | W. R. Dudley | 1895-1-1 | s.n. | Imperial | near Mesa SW of Yuma | Comment | |||
RSA403985 | Psorothamnus emoryi | Christopher Davidson | 1979-4-28 | 7750 | Imperial | Algondones Dunes, dirt track continutation of Ogilby Rd, ca. 1/8 mi from All American Canal. | 41 | Comment | ||
SD143886 | Psorothamnus emoryi | B. Pitzer | 1997-10-18 | 3322 | Imperial | Immediately south of highway I-8 at the Ogilby road entrance | 91 | Comment | ||
SEINET10442868 | Psorothamnus emoryi | J. G. Harrison | 2016-3-13 | s.n. | Imperial | Junction of Ogilby Road and I-8. | 29 | Comment | ||
UCR115391 | Psorothamnus emoryi | 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 | ||
UCR134121 | Psorothamnus emoryi | June Latting | 1978-5-1 | s.n. | Imperial | Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 | 69 | Comment | ||
UCR99993 | Psorothamnus emoryi | B. G. Pitzer | 1997-10-18 | 3322 | Imperial | Sonoran (Colorado) Desert, Immediately south of Hwy I-8 at the Ogilby Road entrance to the freeway; S end of Algodones Dunes. | 91 | 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 | ||
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 | ||
UCR102676 | Sonchus oleraceus | B. G. Pitzer | 1998-2-2 | 3475 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
SD250414 | Sorghum halepense | B. Pitzer | 1998-2-2 | 3517 | Imperial | Colorado Desert: extension of Sidewinder Road, S & W of Pilot Knob RV park/campground, ca. 1 mile (air) SW of Pilot Knob, on $ adjacent to N berm of All-America Canal, ca. 2.6 road miles past the RV park. | 91 | Comment | ||
CAS-BOT-BC235389 | Sporobolus airoides | Malcom A. Nobs; S. Galen Smith | 1948-9-5 | 547 | Imperial | Highway 80, about 5 miles east of Gray's Well, public water station adjacent to All-American Canal | Comment | |||
UC1100444 | Sporobolus cryptandrus | Malcolm A. Nobs and S. Galen Smith | 1948-9-5 | 547 | Imperial | Hwy. 80 ca. 5 mi. e. Gray's Well (public water station adjacent to All-American Canal) | Comment | |||
SDSU18735 | Stephanomeria pauciflora var. pauciflora | C. Matt Guilliams, Jeff Marshall | 2008-4-23 | 627 | Imperial | Southeast of the intersection of Ogilby Road and I-8. Ca. 30m east of Ogilby Road. | 93 | Comment | ||
RSA124361 | Stillingia spinulosa | E. K. Balls, Percy C. Everett | 1958-3-20 | 22899 | Imperial | 0.5 miles along road to Blythe from Hwy 80. | 61 | Comment | ||
NY643382 | Tamarix ramosissima | R. F. Thorne | 1977-11-26 | 50916 | Imperial | Colorado Desert: Near junction of Hwy. 18 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | Comment | |||
OBI37635 | Tamarix ramosissima | Robert F. Thorne | 1977-11-26 | 50916 | Imperial | Colorado Desert: Near jctn of hwy 18 and Obilby Rd just E of Algodones dunes | Comment | |||
RSA302354 | Tamarix ramosissima | Robert F. Thorne | 1977-11-26 | 50916 | Imperial | Near jct. of Hwy I-8 and Obilby [Ogilby] Rd., just E of Algodones Dunes. | Comment | |||
UCR102686 | Tidestromia oblongifolia | B. G. Pitzer | 1998-2-2 | 3491 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes | 61 | Comment | ||
UCR115390 | Tidestromia oblongifolia | 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 | ||
RSA151941 | Tiquilia plicata | Reino Alava | 1958-3-3 | 1809 | Imperial | Sandy area, jct Hwy80 with road from Ogilby. | 67 | Comment | ||
RSA418534 | Tiquilia plicata | Gordon Marsh, Karlin Marsh | 1978-4-1 | s.n. | Imperial | S end of Glamis Sand Hills, 0.5 mile S of Hwy 8 on Ogilby Road exit | Comment | |||
SEINET197654 | Tiquilia plicata | Peter Kamb | 1951-4-29 | 2017 | Imperial | 19 miles west of Yuma on Hwy 80 | Comment | |||
UCR100116 | Tiquilia plicata | B. G. Pitzer | 1997-10-19 | 3348 | Imperial | Sonoran (Colorado) Desert, Algodones Dunes, immediately south of Hwy I-8 at the Ogilby Road entrance to the freeway; S end of the dunes | 91 | Comment | ||
UCR115394 | Tiquilia plicata | 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 | ||
UCR134130 | Tiquilia plicata | June Latting | 1978-5-1 | s.n. | Imperial | Sonoran (Colorado) Desert, Imperial Sand Dunes, Ogilby Road at I-8 | 69 | Comment |
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