32.67000 32.77000 -114.80500 -114.70500
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Search Results
— 251 specimen records retrieved (251 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 | |
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CAS-BOT-BC229303 | Abronia villosa | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi south of Ogilby Station by R.R. track in Arroyo | Comment | |||
CDA19630 | Abronia villosa | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station | 0 | Comment | ||
SEINET893729 | Abronia villosa | Steven P. MacLaughlin, Janice E. Bowers | 1985-1 | 2945 | Imperial | Jct. of frontage road and Sidewinder Road. | 91 | Comment | ||
UCR103360 | Abronia villosa | George K. Helmkamp, E. Helmkamp | 1998-1-24 | 2590 | Imperial | Sonoran (Colorado) Desert, Along Hwy US-186, 1.6 mi. NE of the Mexican Border & Andrade. | 61 | Comment | ||
UCR163740 | Abronia villosa | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4273 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
UCR120507 | Abronia villosa var. villosa | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6272 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
JEPS101832 | Acacia greggii | Dean W. Taylor | 1998-5-12 | 16390 | Imperial | vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation | 85 | Comment | ||
RSA423478 | Achyronychia cooperi | Christopher Davidson | 1979-4-28 | 7775 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
SD143958 | Achyronychia cooperi | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2591 | Imperial | Along US Hwy 186, 1.6 miles northeast of the Mexican border and Andrade | 60 | Comment | ||
UCR101698 | Achyronychia cooperi | B. G. Pitzer | 1998-2-2 | 3503 | 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 | ||
UCR120525 | Achyronychia cooperi | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6275 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
RSA645384 | Allium praecox | Steven A. Junak | 1995-4-11 | 5947 | Santa Barbara | San Miguel Island: SE end of island, just S of Trinagulation Point ''Lamb''. | 76 | Comment | ||
CAS-BOT-BC22396 | Ambrosia dumosa | George H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi south of Ogilby at side of R.R. track near arroyo | Comment | |||
RSA416983 | Ambrosia dumosa | Christopher Davidson, Alan Romspert | 1979-4-28 | 7784 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
UC472286 | Ambrosia dumosa | Joseph Grinnell | 1910-5-10 | San Bernardino | near, (in dry sandy valleys, Colorado River) Pilot Knob; Colorado River | Comment Read comments Jan 8 2013 |
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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 | ||
CAS-BOT-BC137674 | Aristida adscensionis | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 miles south of Ogilby Station at side of Track in arroyo. | Comment | |||
HSC83052 | Aristida californica | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7760 | Imperial | Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca 1/8 mi. from the canal | 41 | Comment | ||
RSA385021 | Aristida californica var. californica | Christopher Davidson, Alan Romspert, Robert L. Rutherford | 1979-4-28 | 7760 | Imperial | Alogodunes Dunes, dirt track continuation of Ogilby Rd., ca. 1/8 mile from All American Canal. | 41 | Comment | ||
HSC82750 | Asclepias subulata | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7768 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | 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 | ||
SD128698 | Asclepias subulata | Darley F. Howe | 1980-4-13 | Imperial | 1 mile west of agricultural inspection station on Highway 8 | Comment | ||||
SBBG22842 | Astragalus crotalariae | D. Myrick | 1965-2-26 | 1039 | Imperial | W of Yuma | 45 | Comment | ||
UCD104684 | Astragalus crotalariae | Donald Myrick | 1965-2-26 | 1039 | Imperial | Desert west of Yuma. | 45 | Comment | ||
RSA253689 | Astragalus magdalenae var. peirsonii | Noel Holmgren, Patricia K. Holmgren | 1973-3-28 | 6538 | Imperial | Along Interstate Hwy 8, 9 air miles west of Yuma. | 121 | Comment | ||
UC669210 | Astragalus magdalenae var. peirsonii | Annie M. Alexander and Louise Kellogg | 1941-3-14 | 1937 | Imperial | w Yuma (Colorado Desert); , w of Yuma | Comment | |||
UC669227 | Astragalus magdalenae var. peirsonii | Annie M. Alexander and Louise Kellogg | 1941-3-14 | 1937 a | Imperial | w Yuma (Colorado Desert); , w of Yuma | Comment | |||
SEINET898350 | Astragalus nuttallianus | Steven P. MacLaughlin, Janice E. Bowers | 1985-1 | 2943 | Imperial | Jct. Sidewinder Rd. and I-8. | 76 | Comment | ||
RSA452367 | Atriplex canescens | L. H. Jones | 1910-5-8 | s.n. | Imperial | Colorado River near Pilot Knob | Comment | |||
RSA452368 | Atriplex canescens | M. B. Dunkle | 1935-4-18 | s.n. | Imperial | W of Yuma | 46 | Comment | ||
SEINET288360 | Atriplex linearis | T. R. Van Devender, M. A. Dimmitt, J. J. Sanchez E. | 2002-7-15 | 2002 -472 | Unknown | Ogilby Road, east side of Imperial (Algodones) Dunes, south of I.H. 8, west of Winterhaven, Imperial Sand Dunes Recreation Lands. Imperial County. 32 deg. 43'50 N, 114 deg. 45' W; 55 m.s.n.m. | Comment Read comments Jan 7 2016 |
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CAS-BOT-BC99662 | Baccharis salicifolia | H. E. McMinn | 1925-6-29 | 1468 | Imperial | Along the Col. River - 4 mi - N.W. of Yuma | Comment | |||
POM350341 | Baccharis salicifolia | L. H. Jones | 1910-5-9 | s.n. | Imperial | Sandy second bottom, colorado River at Pilot Knob | Comment | |||
UC469070 | Baccharis salicifolia subsp. salicifolia | Joseph Grinnell | 1910-5-9 | San Bernardino | near Pilot Knob (Colorado River); Colorado River | Comment Read comments Jan 8 2013 |
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UCR163737 | Baileya pauciradiata | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4269 B | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
JEPS101322 | Baileya pleniradiata | Dean W. Taylor | 1998-5-12 | 16389 | Imperial | vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation | 85 | Comment | ||
RSA350677 | Baileya pleniradiata | L. H. Jones | 1910-5-9 | s.n. | Imperial | Sandy second bottom, colorado River at Pilot Knob | 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 | ||
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 | ||
UC472192 | Baileya pleniradiata | Joseph Grinnell | 1910-5-8 | Imperial | Colorado River, Pilot Knob | Comment | ||||
UCR101684 | Baileya pleniradiata | B. G. Pitzer | 1998-2-2 | 3499 | 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 | ||
UCR120519 | Baileya pleniradiata | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6276 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
UCR163743 | Baileya pleniradiata | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4269 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
CDA31550 | Bouteloua barbata | J. Chesi | 1988-10-17 | Imperial | Winterhaven border station | 0 | Comment | |||
RSA483137 | Brassica tournefortii | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7753 | Imperial | Alogodunes Dunes, dirt track continuation of Ogilby Rd., ca. 1/8 mile from All American Canal. | 41 | Comment | ||
SD43746 | Calandrinia ambigua | Darley F. Howe | 1949-3-19 | 1956 | Imperial | Andrade | Comment | |||
RSA53774 | Camissonia brevipes subsp. arizonica | D. F. Howe | 1949-3-19 | s.n. | Imperial | Andrade. | Comment | |||
POM122926 | Camissonia cardiophylla | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob. | Comment | |||
UCR101717 | Camissonia claviformis | B. G. Pitzer | 1998-2-2 | 3498 | 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 | ||
RSA135550 | Camissonia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11495 | Imperial | 8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station. | Comment | |||
RSA135551 | Camissonia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11495 | Imperial | 8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station. | 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 | ||
POM145263 | Camissonia pallida subsp. pallida | C. L. Hitchcock | 1928-3-17 | s.n. | Riverside | 15 miles east of Banning. | Comment | |||
CAS-BOT-BC276307 | Chaenactis carphoclinia | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 miles S of Ogilby Station by railroad track | Comment | |||
CDA19625 | Chamaesyce polycarpa | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station | 0 | Comment | ||
CDA35264 | Chamaesyce polycarpa | J. Chesi | 1988-11-17 | s.n. | Imperial | Winterhaven Border Station. | 0 | Comment | ||
HSC80367 | Chamaesyce polycarpa | R. F. Thorne | 1977-11-26 | 50908 | Imperial | N of Pilot Knob near junction of Sidewinder Rd. and Hwy. 18, E of Pilot Knob campground | 67 | Comment | ||
RSA302362 | Chamaesyce polycarpa | R. F. Thorne | 1977-11-26 | 50908 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
RSA432489A | Chamaesyce polycarpa var. hirtella | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7770 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
RSA432494A | Chamaesyce polycarpa var. hirtella | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7763 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
UCR163972 | Chenopodium murale | B. G. Pitzer | 1998-2-2 | 3505 | 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 | ||
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 | ||
RSA392650 | Chorizanthe corrugata | Christopher Davidson, A. Romspert, H. Surprenant | 1979-4-28 | 7781 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
RSA392743 | Chorizanthe rigida | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7766 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
SD43745 | Chorizanthe rigida | Darley F. Howe | 1949-3-19 | 1955 | Imperial | Andrade | Comment | |||
SDSU4930 | Chorizanthe rigida | D. F. Howe | 1949-3-10 | 1955 | Imperial | Andrade. | Comment | |||
SD43754 | Chylismia brevipes subsp. arizonica | Darley F. Howe | 1949-3-19 | 1946 | Imperial | Andrade | Comment | |||
SDSU8599 | Chylismia brevipes subsp. arizonica | D. F. Howe | 1949-3-19 | 1946 | Imperial | Andrade, Imperial Co. | Comment | |||
CAS-BOT-BC160583 | Chylismia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11493 | Imperial | On dunes 3.6 miles west of Winterhaven | Comment | |||
CAS-BOT-BC160598 | Chylismia claviformis subsp. aurantiaca | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi south of Ogilby Station by R.R. track | 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 | ||
SD43766 | Chylismia claviformis subsp. aurantiaca | Darley F. Howe | 1949-3-19 | 1977 | Imperial | Andrade. | Comment | |||
UC1184428 | Chylismia claviformis subsp. aurantiaca | Peter H. Raven | 1958-1-26 | 11495 | Imperial | 0.9 mi w State Inspection Station (8.3 mi w of Winterhaven) | Comment | |||
SDSU8594 | Chylismia claviformis subsp. yumae | D. F. Howe | 1949-3-19 | 1977 | Imperial | Andrade, Imperial Co. | Comment | |||
RSA53987 | Cistanthe ambigua | D. F. Howe | 1949-3-19 | s.n. | Imperial | Andrade. | Comment | |||
SDSU9747 | Cistanthe ambigua | D. F. Howe | 1949-5-19 | 1956 | Imperial | Andrade, Imperial Co. | 40 | Comment | ||
SBBG35041 | Croton californicus | T. L. Secrest | 1948-4-8 | Imperial | W of Yuma | 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 | ||
SEINET9253080 | Croton californicus | Jan Gish | 1980-3-26 | 777 | Imperial | Transect 2, near Andrade. T16S R21E S35 SW4 of NE4. Colorado River floodplain. | 43 | Comment | ||
POM126409 | Croton californicus var. mohavensis | Joseph Grinnell | 1910-5-10 | s.n. | Imperial | Colorado River near Pilot Knob. | Comment | |||
RSA479344 | Croton californicus var. tenuis | L. H. Jones | 1910-5-10 | s.n. | Imperial | In sandy valley, Colorado River, near Piolot Knob. | Comment | |||
HSC66466 | Croton wigginsii | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7767 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
RSA480696 | Croton wigginsii | Christopher Davidson | 1979-4-28 | 7767 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
SEINET286839 | Croton wigginsii | T. R. Van Devender, M. A. Dimmitt, J. J. Sanchez E. | 2002-7-15 | 2002 -473 | Unknown | Ogilby Road, east side of Imperial (Algodones) Dunes, south of I.H. 8, west of Winterhaven, Imperial Sand Dunes Recreation Lands. Imperial County. 32 deg. 43'50 N, 114 deg. 45' W; 55 m.s.n.m. | Comment Read comments Jan 7 2016 |
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UCR101701 | Croton wigginsii | B. G. Pitzer | 1998-2-2 | 3510 | 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 | ||
POM368176 | Cryptantha angustifolia | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7778 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
SD113299 | Cryptantha angustifolia | Darley F. Howe | 1949-3-19 | 2060 | Imperial | Andrade | Comment | |||
UCR120523 | Cryptantha angustifolia | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6273 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
CAS-BOT-BC218798 | Cryptantha holoptera | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob | Comment | |||
CDA19626 | Cryptantha racemosa | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station | 0 | Comment | ||
POM128297 | Cucurbita palmata | Joseph Grinnell | 1910-5-8 | s.n. | Imperial | Pilot Knob, Colorado River. | Comment | |||
RSA394339 | Cucurbita palmata | L. H. Jones | 1910-9-8 | s.n. | Imperial | Pilot Knob at Colorado River. | 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 | ||
RSA302358 | Dalea mollis | R. F. Thorne | 1977-11-26 | 50912 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | 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 | ||
UCD170878 | Dalea mollis | B. Pitzer | 1998-2-2 | 3497 | 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. | 91 | Comment | ||
UCR101703 | Dalea mollis | B. G. Pitzer | 1998-2-2 | 3497 | 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 | ||
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 | ||
UCR101704 | Dalea mollissima | B. G. Pitzer | 1998-2-2 | 3513 | 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 | ||
UC669226 | Dieteria asteroides var. asteroides | Annie M. Alexander and Louise Kellogg | 1941-3-11 | 1925 | Imperial | 5 mi w Yuma; Colorado Desert, Chocolate Mountains | 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 | ||
UC1765899 | Ditaxis neomexicana | Jan Gish | 1980-3-26 | 776 | Imperial | Transect 2, near Andrade. | 42 | 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 | ||
CDA35291 | Ditaxis serrata | Jack Troutwine | 1992-7-14 | Imperial | Desert range west of Winterhaven. | 0 | Comment | |||
RSA421626 | Ditaxis serrata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7762 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
RSA421627 | Ditaxis serrata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7779 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
UCR101695 | Dithyrea californica | B. G. Pitzer | 1998-2-2 | 3511 | 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 | ||
UCR120524 | Dithyrea californica | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6274 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
UCR163739 | Dithyrea californica | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4272 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
POM121852 | Encelia farinosa var. farinosa | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob. | Comment | |||
CAS-BOT-BC131405 | Encelia frutescens | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob | Comment | |||
HSC66474 | Encelia frutescens | A. P. Romspert, Harvey Surprenant | 1979-4-28 | 7788 | Imperial | off Interstate 8 on the Sidewinder Rd. ca. 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
POM121848 | Encelia frutescens | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob. | Comment | |||
POM356712 | Encelia frutescens | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7788 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
JEPS89198 | Ephedra trifurca | Herbert L. Mason | 1957-3-31 | 14682 | Imperial | near Yuma (desert w of sand hills) | Comment | |||
RSA516690 | Ephedra trifurca | Jan Gish | 1980-3-26 | 789 | Imperial | Transect 2, near Andrade. | 43 | 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 | ||
UC1093646 | Ephedra trifurca | Herbert L. Mason | 1957-3-31 | 14683 | Imperial | near Yuma (desert w of the sand hills) | Comment | |||
UC1093647 | Ephedra trifurca | Herbert L. Mason | 1957-3-31 | 14682 | Imperial | near Yuma (desrt w of the sand hills) | Comment | |||
UCR102690 | Ephedra trifurca | B. G. Pitzer | 1998-2-2 | 3506 | 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 | ||
RSA53778 | Eremalche rotundifolia | D. F. Howe | 1949-3-19 | s.n. | Imperial | Andrade. | Comment | |||
SD43748 | Eremalche rotundifolia | Darley F. Howe | 1949-3-19 | 1971 | Imperial | Andrade. | Comment | |||
SDSU8130 | Eremalche rotundifolia | D. F. Howe | 1949-5-19 | 1971 | Imperial | Andrade, Imperial Co. | Comment | |||
CAS-BOT-BC160024 | Eremothera boothii subsp. condensata | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi south of Ogilby Station by R.R. track | Comment | |||
RSA302363 | Eriogonum deflexum var. deflexum | Robert F. Thorne | 1977-11-26 | 50907 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
RSA393282 | Eriogonum deflexum var. deflexum | Christopher Davidson, A. Romspert, H. Surprenant | 1979-4-28 | 7774 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
JEPS56262 | Eriogonum thomasii | W. L. Jepson | 1927-4-16 | 11744 | Imperial | sand hills near Pilot Knob | Comment | |||
RSA424945 | Eriogonum thomasii | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7776 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
UCR120522 | Eschscholzia minutiflora | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6279 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
CAS-BOT-BC167347 | Fagonia laevis | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob | Comment | |||
CAS-BOT-BC167351 | Fagonia laevis | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob | Comment | |||
CAS-BOT-BC167362 | Fagonia laevis | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | PIlot Knob | Comment | |||
JEPS101694 | Fagonia laevis | Dean W. Taylor | 1998-5-12 | 16387 | Imperial | vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation | 85 | Comment | ||
POM122665 | Fagonia laevis | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob. | Comment | |||
RSA516695 | Fagonia laevis | E. Lehto | 1980-3-17 | 767 | Imperial | Southside of Pilot Knob; north of All American Canal. | 73 | Comment | ||
RSA289735 | Fouquieria splendens | Lyman Benson | 1933-4-1 | 4219 | Imperial | US 80, 5 mile W of Fort Yuma, Yuma Desert | 30 | Comment | ||
CAS-BOT-BC303543 | Geraea canescens | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 miles S of Ogilby Station by RR track near arroyo | Comment | |||
CDA19627 | Geraea canescens | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station | 0 | Comment | ||
POM358649 | Geraea canescens | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7769 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
UCR101358 | Geraea canescens | B. G. Pitzer | 1998-2-2 | 3501 | 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 | ||
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 | ||
UCR101681 | Hesperocallis undulata | B. G. Pitzer | 1998-2-2 | 3515 | 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 | ||
HSC66475 | Hilaria rigida | Christopher Davidson, A. P. Romspert, Harvey Surprenant | 1979-4-28 | 7785 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
SD144115 | Hilaria rigida | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | Imperial | Gravel Rd S of Hwy I-8. Rocky hills at W edge of Fort Yuma Indian Reservation | 60 | Comment | |||
RSA516697 | Hymenoclea salsola | Jan Gish | 1980-3-26 | 781 | Imperial | Transect 2, near Andrade. | 43 | Comment | ||
HSC66563 | Krameria erecta | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7789 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
RSA302360 | Krameria erecta | Robert F. Thorne | 1977-11-26 | 50910 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
RSA409436 | Krameria erecta | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7789 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
JEPS101831 | Krameria grayi | Dean W. Taylor | 1998-5-12 | 16395 | Imperial | vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation | 85 | Comment | ||
SDSU3127 | Langloisia setosissima | D. F. Howe | 1949-3-10 | 2072 | Imperial | Andrade, Imperial County. | 40 | Comment | ||
SD44158 | Langloisia setosissima subsp. setosissima | Darley F. Howe | 1950-3-19 | 2072 | Imperial | Andrade | Comment | |||
UCR120521 | Langloisia setosissima subsp. setosissima | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6278 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
HSC82751 | Larrea tridentata | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7758 | Imperial | Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal. | 41 | Comment | ||
CAS-BOT-BC271060 | Lolium temulentum | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi. south of Ogilby Station at side of R.R. track in arroyo | Comment | |||
RSA406381 | Lotus strigosus | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7777 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
SEINET4035761 | Lupinus concinnus | P. J. Knight | 1979-1 | 630 | Imperial | Highway 8, 5 miles west of Yuma. | Comment | |||
SD125187 | Lycium torreyi | Steven P. McLaughlin, Janice E. Bowers | 1985-3-10 | 2952 | Imperial | 1.0 mile northeast of Andrade, along Colorado River. (IPB 10/07) | 45 | Comment | ||
POM362090 | Machaeranthera tephrodes | M. B. Dunkle | 1935-4-18 | 4578 | Imperial | W of Yuma | 46 | Comment | ||
RSA433874 | Malvella leprosa | L. H. Jones | 1910-5-11 | s.n. | Imperial | second bottom on sandy slope, Colorado River near Pilot Knob | Comment | |||
CDA19628 | Mentzelia longiloba | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station. | 0 | Comment Read comments Jan 24 2008 |
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CDA36688 | Mentzelia longiloba | Guy Beevor & J. L. Johnson | 1964-3-19 | Imperial | 1 mile east of Andrade along the Mexican border. | 0 | Comment Read comments Sep 4 2016 |
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HSC66464 | Mentzelia longiloba | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7756 | Imperial | Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal. | 41 | Comment | ||
JEPS26719 | Mentzelia longiloba | Joseph Grinnell | 1910-5-8 | Imperial | Pilot Knob, Colorado River. | Comment | ||||
SEINET889858 | Mentzelia longiloba | Steven P. MacLaughlin, Janice E. Bowers | 1985-1 | 2955 | Imperial | Along frontage rd. N of I-8, just W of Andrade exit | 60 | Comment | ||
UC195033 | Mentzelia longiloba | Joseph Grinnell | 1910-5-8 | Imperial | Colorado River, Pilot Knob | Comment | ||||
SD125142 | Mentzelia longiloba var. longiloba | Steven P. McLaughlin, Janice E. Bowers | 1985-3-10 | 2955 | Imperial | In sandy soil, along frontage road north of I-8, just west of Andrade exit. | 60 | Comment | ||
SEINET889860 | Mentzelia longiloba var. longiloba | Steven P. McLaughlin | 1986-1 | 3136 | Imperial | along frontage road north of I-8 | 91 | Comment | ||
UCR101714 | Mentzelia longiloba var. longiloba | B. G. Pitzer | 1998-2-2 | 3502 | 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 | ||
UCR163744 | Mentzelia longiloba var. longiloba | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4268 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
JEPS96886 | Mesembryanthemum crystallinum | Dean W. Taylor | 1998-5-12 | 16386 | Imperial | vicinity of Felicity (ca 3 road miles E of Colorado River on Interstate 8), near the Pilot Knob Substation | 85 | Comment Read comments Oct 30 2007 |
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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 | ||
UCR102692 | Nama hispida | B. G. Pitzer | 1998-2-2 | 3514 | 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 | ||
UCR121153 | Nama hispida | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6270 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
JEPS2656 | Nama hispida var. revoluta | Jos. Grinnell | 1910-5-8 | Imperial | Pilot Knob Colorado River; Pilot Knob, Colorado River | Comment | ||||
RSA421160 | Nama hispida var. revoluta | L. H. Jones | 1910-5-8 | s.n. | Imperial | Colorado River near Pilot Knob | Comment | |||
UC196599 | Nama hispida var. spathulata | Joseph Grinnell | 1910-5-8 | Imperial | Colorado River at Pilot Knob Pilot Knob; Colorado River | Comment | ||||
HSC82767 | Oenothera deltoides | Christopher Davidson, H. Surprenant, A. P. Romspert | 1979-4-28 | 7741 | Imperial | Algodones Dunes, dirt road continuation of Ogilby Rd., 1/8 mi. N of All American Canal. | 41 | Comment | ||
RSA144658 | Oenothera deltoides subsp. deltoides | Peter H. Raven | 1958-1-26 | 11509 | Imperial | 8.3 miles west of Winterhaven, 0.9 miles west of State Inspection Station. | Comment | |||
UCR101719 | Oenothera primiveris | B. G. Pitzer | 1998-2-2 | 3496 | 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-BC427428 | Oligomeris linifolia | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi south of Ogilby at side of R.R. track | Comment | |||
SEINET3074405 | Oligomeris linifolia | Norman C. Cooper | 1949-3-15 | 3038 | Imperial | West of Yuma. | 240 | Comment | ||
UCR101724 | Oligomeris linifolia | B. G. Pitzer | 1998-2-2 | 3504 | 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 | ||
HSC82948 | Olneya tesota | A. C. Sanders, K. R. Neisess | 1985-4-22 | 5625 | Imperial | S of Cargo Muchacho Mts., 2 mi N of I-8 on Sidewinder Rd | 122 | Comment | ||
UCR102691 | Orobanche cooperi | B. G. Pitzer | 1998-2-2 | 3507 | 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-BC327876 | Palafoxia arida | Annie M. Alexander; Louise Kellogg | 1941-3-3 | 1889 | Imperial | Colorado Desert. 6 miles W of Winterhaven, Yuma road | Comment | |||
CAS-BOT-BC327883 | Palafoxia arida | G. H. Mallory | 1920-5-12 | s.n. | Imperial | 5 mi S of Ogilby Station at side of R.R. track | Comment | |||
HSC82914 | Palafoxia arida | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7742 | Imperial | Ogilby Rd., Algodones Dunes, dirt track continuation of Ogilby Rd. toward All American Canal, ca. 1/8 mi. from the canal | 41 | 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 | ||
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 | ||
RSA302357 | Palafoxia arida var. arida | R. F. Thorne | 1977-11-26 | 50913 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
RSA363729 | Palafoxia arida var. arida | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7786 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
UC1531099 | Palafoxia arida var. arida | Robert F. Thorne et al. | 1977-11-26 | 50913 | Imperial | n Pilot Knob (neat junction of Sidewinder Rd. and Hwy I-8, e of Pilot Knob Camprground); Colorado Desert | 67 | Comment | ||
UCR120531 | Palafoxia arida var. arida | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6271 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
UCR163742 | Palafoxia arida var. arida | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4270 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
GH427283 | Palafoxia arida var. gigantea | A. M. Alexander & L. Kellogg | 1941-3-3 | 1889 | Unknown | 6 miles west of Winterhaven, Yuma Road | 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 | |||
UC669219 | Palafoxia arida var. gigantea | Annie M. Alexander and Louise Kellogg | 1941-3-3 | 1889 | Imperial | Yuma road 6 mi w Winterhaven; Colorado Desert | Comment | |||
HSC66465 | Panicum urvilleanum | A. P. Romspert, H. Surprenant, Christopher Davidson | 1979-4-28 | 7757 | Imperial | Algodones Dunes, Ogilby Rd., 1/8 mi. N of the All American Canal. | 41 | Comment | ||
SD128671 | Parkinsonia florida | Darley F. Howe | 1980-4-13 | Imperial | 3 miles south of Highway 8 on Andrade Road | Comment | ||||
UCR117229 | Parkinsonia florida | B. G. Pitzer | 1998-2-2 | 3512 | 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 | ||
UCR61926 | Parkinsonia florida | D. F. Howe | 1980-4-13 | s.n. | Imperial | Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road | 38 | Comment | ||
CDA43032 | Pennisetum ciliare | Sandra E. - Sara B. | 2014-10-6 | PDR# 130 P06283559 | Imperial | Sleepy Hollow RV Park, 369 Algodones Road, Winterhaven. | 0 | Comment | ||
CAS-BOT-BC167691 | Petalonyx linearis | Peter H. Raven | 1958-5-6 | 12909 | Imperial | 3.6 miles west of Winterhaven on United States Highway 80 | Comment | |||
CAS-BOT-BC167730 | Petalonyx thurberi | H. E. McMinn | 1925-6-29 | 1453 | Imperial | 4 mi. N.W. of Yuma, Ariz along highway | Comment | |||
RSA161397 | Petalonyx thurberi | H. E. McMinn | 1925-6-29 | 1453 | Imperial | 4 miles NW of Yuma, Imperial County | Comment | |||
RSA445153 | Petalonyx thurberi | L. H. Jones | 1910-5-10 | s.n. | Imperial | In sandy valley, Colorado River, near Piolot Knob. | Comment | |||
LA80915 | Petalonyx thurberi subsp. thurberi | Peter H. Raven; | 1958-5-8 | 12909 | Imperial | 3.6 mi. W of Winterhaven on US Highway 80 | Comment | |||
UC196587 | Petalonyx thurberi subsp. thurberi | Joseph Grinnell | 1910-5-10 | San Bernardino | Colorado R. near Pilot Knob; Colorado R. | Comment Read comments Jan 8 2013 |
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SD113322 | Phacelia crenulata var. ambigua | Darley F. Howe | 1949-3-19 | 2064 | Imperial | Andrade | Comment | |||
SD143848 | Phacelia crenulata var. ambigua | G. K. Helmkamp, E. Helmkamp | 1998-1-24 | 2593 | Imperial | Gravel road south of Highway I-8; rocky hills at west edge of Fort Yuma Indian Reservation. | 60 | Comment | ||
UCR120520 | Phacelia crenulata var. ambigua | George K. Helmkamp, E. A. Helmkamp | 2001-3-17 | 6277 | Imperial | Colorado Desert., Small canyon parallel to and south of I-8, 2.1 mi east of Sidewinder Rd. | 76 | Comment | ||
SBBG59874 | Pholisma sonorae | M. F. Gilman | 1928-4-15 | Imperial | W of Yuma | Comment | ||||
CDA19629 | Plantago ovata | J. Chesi | 1998-2-26 | s.n. | Imperial | Winterhaven Agricultural Inspection Station | 0 | Comment | ||
UCR163741 | Plantago ovata | B. G. Pitzer, G. R. Ballmer | 2001-3-17 | 4271 | Imperial | Sonoran (Colorado) Desert, Algodonnes Dunes, south of end of Ogilby Rd. on south side of I-8 | 88 | Comment | ||
RSA402281 | Plantago ovata var. fastigiata | Christopher Davidson, A. Romspert, H Surprenant | 1979-4-28 | 7780 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
RSA414082 | Pleuraphis rigida | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7785 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
RSA472119 | Pluchea sericea | L. H. Jones | 1910-5-8 | s.n. | Imperial | Colorado River near Pilot Knob | Comment | |||
RSA472121 | Pluchea sericea | M. B. Dunkle | 1935-4-18 | 4576 | Imperial | river Bottom, W of Yuma | 46 | Comment | ||
SD128763 | Pluchea sericea | Darley F. Howe | 1980-4-13 | Imperial | 3 miles south of Highway 8 on Andrade Road | Comment | ||||
UCR61925 | Pluchea sericea | D. F. Howe | 1980-4-13 | s.n. | Imperial | Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road | 38 | Comment | ||
RSA0013890 | Proboscidea althaeifolia | Robert F. Thorne | 1977-11-26 | 50914 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
POM348729 | Prosopis glandulosa var. torreyana | M. B. Dunkle | 1935-4-18 | 4577 | Imperial | W of Yuma | 46 | Comment | ||
SBBG92156 | Prosopis glandulosa var. torreyana | D. F. Howe | 1980-4-13 | Imperial | Andrade Rd, 3 mi S of Hwy 8 | Comment | ||||
SD128673 | Prosopis glandulosa var. torreyana | Darley F. Howe | 1980-4-13 | Imperial | 3 miles south of Highway 8 on Andrade Road | Comment | ||||
UC669208 | Psorothamnus emoryi | Annie M. Alexander and Louise Kellogg | 1941-3-13 | 1932 | Imperial | w Yuma; w of Yuma | Comment | |||
CAS-BOT-BC340944 | Psorothamnus spinosus | H. E. McMinn | 1925-6-29 | 1456 | Imperial | 4 mi. N.W. Yuma, Ariz., Col. Desert | Comment | |||
UC57360 | Sesbania herbacea | William H. Holabird | 1903-1 | Imperial | below Yuma | 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 | ||
UCR101682 | Sorghum halepense | B. G. Pitzer | 1998-2-2 | 3517 | 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 | ||
RSA447301 | Sphaeralcea | M. B. Dunkle | 1935-4-18 | 4580 | Imperial | W of Yuma | 46 | Comment | ||
LA206033 | Sphaeralcea ambigua | F. R. Fosberg; | 1932-4-9 | 7764 | Imperial | W of Colorado River, across from Yuma, Arizona | Comment | |||
SBBG35067 | Sphaeralcea emoryi | T. L. Secrest | 1948-4-8 | Imperial | near Yuma | Comment | ||||
SD128684 | Sphaeralcea emoryi | Darley F. Howe | 1980-4-13 | Imperial | 3 miles south of Highway 8 on Andrade Road | Comment | ||||
UCR61923 | Sphaeralcea emoryi | D. F. Howe | 1980-4-13 | s.n. | Imperial | Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road | 38 | Comment | ||
LA205958 | Sphaeralcea orcuttii | F. R. Fosberg; | 1932-4-9 | 7763 | Imperial | W of Colorado River, across from Yuma, Arizona | Comment | |||
HSC82898 | Stillingia spinulosa | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7771 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
RSA457878 | Stillingia spinulosa | Alan Romspert, H. Surprenant | 1979-4-28 | 7771 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob. | 79 | Comment | ||
UCR101702 | Stillingia spinulosa | B. G. Pitzer | 1998-2-2 | 3509 | 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 | ||
RSA302355 | Tidestromia oblongifolia | R. F. Thorne, et al. | 1977-11-26 | 50915 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
HSC80357 | Tidestromia suffruticosa var. oblongifolia | R. F. Thorne | 1977-11-26 | 50915 | Imperial | N of Pilot Knob near junction of Sidewinder Rd. and Hwy. 18, E of Pilot Knob campground | 67 | Comment | ||
OBI37636 | Tidestromia suffruticosa var. oblongifolia | Robert F. Thorne | 1977-11-26 | 50915 | Imperial | Colorado Desert: N of Pilot Knob near jctn of Sidewinder Rd and hwy 18, E of Pilot Knob Campground | 67 | Comment | ||
HSC66554 | Tiquilia palmeri | Christopher Davidson, A. P. Romspert, H. Surprenant | 1979-4-28 | 7783 | Imperial | Off Hwy. 8 on Sidewinder Rd., 1.5 mi. NW of Pilot Knob | 79 | Comment | ||
POM122925 | Tiquilia palmeri | Marcus E. Jones | 1926-1-22 | s.n. | Imperial | Pilot Knob. | Comment | |||
POM368521 | Tiquilia palmeri | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7783 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
RSA302361 | Tiquilia palmeri | R. F. Thorne | 1977-11-26 | 50909 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment | ||
SD125174 | Tiquilia palmeri | Steven P. McLaughlin, Janice E. Bowers | 1985-3-10 | 2956 | Imperial | North of I-8, west of Andrade Exit. | Comment | |||
UCSB52636 | Tiquilia palmeri | Thorne, Robert | 1977-11-26 | Imperial | Colorado Desert: North of Pilot Knob; near jct. of Sidewinder Rd. and Hwy. 18; east of Pilot Knob Campground | 67 | Comment | |||
POM368526 | Tiquilia plicata | Christopher Davidson, Alan Romspert, H. Surprenant | 1979-4-28 | 7764 | Imperial | Off Interstate 8 on Sidewinder Rd, ca. 1.5 miles NW of Pilot Knob | 79 | Comment | ||
RSA302359 | Tribulus terrestris | Robert F. Thorne | 1977-11-26 | 50911 | Imperial | North of Pilot Knob near jct. of Sidewinder Rd. and hwy I-8, east of Pilot Knob campground. | 67 | Comment |
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