Search Results — 2000 specimen records retrieved (1461 records with coordinates)
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Results for search: County=SAN JOAQUIN; Source=All;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET3292756 Image available Acacia William G. Gambill Jr. 1965-3-31 San Joaquin Stockton, Amos Alonzo Stagg High School. Comment
  SD241843  Acanthomintha lanceolata Dean William Taylor 1995-4-13 14821 San Joaquin Hospital Canyon. 320 Comment
  POM146143  Acer negundo subsp. californicum E. E. Stanford 1927-5-21 447 San Joaquin Near Stockton Comment
  POM196279  Acer negundo subsp. californicum E. E. Stanford 1928-3-20 834 San Joaquin Near Peters 30 Comment
  CAS-BOT-BC21727  Achillea millefolium E. E. Stanford 1930-5-3 1464 San Joaquin Elliot Rd. near Elliot Comment
  SEINET3915535  Achnatherum brachychaetum Tad H. Gantenbein 1996-1 s.n. San Joaquin Ne of Tracy, town of Banta, west of town between Grant Line Rd and Hwy 205, east of Paradise Rd.; 0 Comment
  UC1776761  Achnatherum brachychaetum Tad Gantenbein 1996-5-4 San Joaquin Weedy in alfalfa; Mike Mattes property between Banta and I-205, NE of Tracy. Comment
  SEINET9341013  Achnatherum brachychaetum Unknown 1991-5-1 s.n. San Joaquin San Joaquin Comment
  JEPS36734  Achyrachaena mollis W. L. Jepson 1938-4-14 18684 San Joaquin hills above headwaters Goose Creek Comment
  JEPS36751  Achyrachaena mollis R. F. Hoover 1937-4-23 1920 San Joaquin 7 mi e Stockton Comment
  UC1125428  Achyrachaena mollis R. D. Roseberry 1935-5-14 171 San Joaquin 1 mi w Bald Mt.; Jackson Quad., Bald Mt 106 Comment
  UC29295  Achyrachaena mollis J. A. Sanford 1890-1 San Joaquin French Camp Comment
  UC625466  Achyrachaena mollis Frank W. Gould 1938-4-10 166 San Joaquin nearby rolling grassy hills Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  CAS-BOT-BC29728  Achyrachaena mollis E. E. Stanford 1928-4-7 846 San Joaquin Near Stockton Comment
  RSA416305  Achyrachaena mollis E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UCD103843  Acmispon americanus var. americanus G. F. Hrusa; S. A. Wagner 1992-7-8 9136 San Joaquin Caswell Memorial State Park. Comment
  UCD103927  Acmispon americanus var. americanus E. F. Serr 1931-8-19 2256 San Joaquin Stockton. Comment
  CDA14326  Acroptilon repens J. Allan 1998-7-24 s.n. San Joaquin San Francisco Bay Area; S side Byron Hwy 1/2 mi. N Patterson Pass, on Kelso Rd., Tracy. 0 Comment
  CDA1671  Aegilops triuncialis Helphinstine 1952-6-11 San Joaquin Foothills near Farmington 0 Comment
  CAS-BOT-BC202665  Aesculus californica E. E. Stanford 1930-5-17 1503 San Joaquin Near Dry Creek Comment
  POM196338  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  RSA76974  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  UCR63937  Aesculus californica L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCD55640  Agrostis pallens Beecher Crampton 1956-7-30 3741 San Joaquin 9.8 miles south of Clements. Clements Road. Comment
  UCD53586  Agrostis stolonifera Beecher Crampton 1956-7-30 3740 San Joaquin water overflow along Clements Road, 9.8 miles south of Clements. Comment
  UCD117152  Ailanthus altissima G. F. Hrusa 1992-8-26 9532 San Joaquin Caswell Memorial State Park. Comment
  UCD116179  Alcea rosea G. F. Hrusa; S. A. Wagner 1992-7-8 9150 San Joaquin Caswell Memorial State Park. Trail to the west of the picnic areas. Comment
  UC185312  Alisma plantago-aquatica Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC445369  Alisma plantago-aquatica Ira L. Wiggins 1934-6-23 6939 San Joaquin 3.2 miles east of Escalon on road to Oakdale Comment
  SEINET3895551 Image available Alisma plantago-aquatica Virginia Alexson 1964-6-13 23 San Joaquin Three miles North of Stockton.; 0 Comment
  POM179762  Allenrolfea occidentalis J. T. Howell 1930-9-28 5506 San Joaquin On the Borden Hwy to Holt. Comment
  UC1093858  Allenrolfea occidentalis Herbert L. Mason 1928-9-20 4965 San Joaquin San Joaquin delta near Holt; San Joaquin delta Comment
  JEPS73876  Allium amplectens L. R. Heckard 1974-4-25 3670 San Joaquin 1/2 mi e Alameda county line (just w of Drop Tower No.__ on grounds of Atomic Energy Commission, Univ. of Calif. testing site); Corral Hollow 304 Comment
  RSA88890  Allium amplectens E. K. Balls 1954-3-9 18902 San Joaquin Grown in Botanic Garden. Comment
  CAS-BOT-BC466768  Allium crispum Mrs. A. R. Arnold 1922-4-1 s.n. San Joaquin Corral Hollow, near Tracy Comment
  UC766763  Allium howellii R. F. Hoover 1937-4-3 1739 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  CDA2747  Allium neapolitanum J. B. Gianelli 1962-4-9 San Joaquin Victor Colvin property, Almond Drive & Stockton Drive, Lodi. 0 Comment
  UCD58718  Allium paniculatum var. paniculatum Malcolm Evett 2007-6-29 s.n. San Joaquin Stockton. 8243 Onyx Ct. 95210. Comment
  RSA21457  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC909001  Allophyllum gilioides subsp. gilioides R. F. Hoover 1938-4-9 3045 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  POM195972  Alopecurus aequalis E. E. Stanford 1928-4-29 940 San Joaquin Roadside ditches near Stockton Comment
  CAS-BOT-BC138156  Alopecurus aequalis var. aequalis E. E. Stanford 1928-4-29 940 San Joaquin Near Stockton. Comment
  UCD144613  Alopecurus carolinianus Mick Canevari 2013-4-22 s.n. San Joaquin Eastern San Joaquin County: Where foothills begin near Escalon. 15 Comment
  CDA31389  Alopecurus saccatus T. C. Fuller 1962-5-1 8338 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  RSA146097  Alopecurus saccatus E. E. Stanford 1927-3-29 132 San Joaquin Stockton; open field near Campus. Comment
  UCD33073  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UCD55939  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin ca. 7- 3/4 miles NNE Lodi, Liberty and Bruella Roads. Comment
  UCD55940  Alopecurus saccatus Alex D. Hawkes Date Unknown 4794 San Joaquin about 2 miles east of Stockton. Comment
  SEINET7594788 Image available Alopecurus saccatus E. E. Stanford 1927-1 153 San Joaquin Stockton, Near Stockton Comment
  CHSC83141  Amaranthus A. M. Shapiro 1987-7-11 San Joaquin Ca. 2 mi. west of Farmington, State Hwy 4, milepost S.J. 28.00. Roadside. Comment
  UCD19124  Amaranthus A. M. Shapiro 1987-7-11 s.n. San Joaquin ca. 2 mi. west of Farmington, State Hwy 4, milepost S.J. 28.00. Comment
  CDA25742  Amaranthus albus G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13082 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCD97166  Amaranthus albus G. F. Hrusa; S. A. Wagner 1992-7-8 9186 San Joaquin Caswell Memorial State Park. Comment
  UC765770  Amaranthus californicus R. F. Hoover 1937-9-4 2718 San Joaquin 3 mi e Farmington Comment
  CDA3305  Amaranthus caudatus T. C. Fuller 1958-7-3 2055 San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  CDA3306  Amaranthus caudatus T. C. Fuller 1958-7-3 s.n. San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  CDA3307  Amaranthus caudatus T. C. Fuller 1958-7-3 2055 San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  UCD69389  Amaranthus palmeri J. Wycoff 1997-8-1 s.n. San Joaquin The city of Turlock. Southeast of town, Cressey Dairy, in agricultural fields east of Highway 99, along Cressey Rd. Comment
  UCD97517  Amaranthus palmeri J. Wycoff 1997-8-1 s.n. San Joaquin The city of Turlock. Southeast of town, Cressey Dairy, in agricultural fields east of Highway 99, along Cressey Rd. Comment
  SD240817  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  UCR232675  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCD97574  Amaranthus powellii J. M. Tucker 1951-10-31 2314 -8 San Joaquin On Staten Island. Comment
  UCD97770  Amaranthus retroflexus G. F. Hrusa; S. A. Wagner 1992-4-22 9299 San Joaquin Caswell Memorial State Park. Comment
  UCD97782  Amaranthus retroflexus J. M. Tucker 1951-10-31 2314 -7 San Joaquin On Staten Island. Comment
  CDA6726  Ambrosia artemisiifolia M. Switzenberg 1963-7-26 San Joaquin Railroad yards, Holt District. 0 Comment
  CDA6722  Ambrosia trifida R. S. Griffith 1959-8-4 San Joaquin Clifton Court Road and Byron-Tracy Highway, Byron. 0 Comment
  JEPS33276  Ammannia coccinea Rimo Bacigalupi and L. Constance 1962-8-13 8714 San Joaquin just n. San Joaquin City (just n. of bridge of Durham Ferry Rd., flats on e. side of San Joaquin R.) 3 Comment
  UC19726  Ammannia coccinea F. T. Bioletti Sept 1892 San Joaquin near Banta (San Joaquin Bridge); San Joaquin Bridge Comment
  UC19727  Ammannia coccinea J. A. Sanford 1890-1 40 San Joaquin Stockton Comment
  UCD77330  Ammannia coccinea Robert E. Preston 2004-9-3 2295 San Joaquin Ca. 9.1 miles NE of Lodi, at jct Liberty Road and Elliott Road. 32 Comment
  JEPS45988  Ammannia robusta F. T. Bioletti Sept. 1892 San Joaquin San Joaquin Bridge Comment
  UCD102879  Ammannia robusta G. F. Hrusa; S. A. Wagner 1992-8-8 9353 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  UCD19106  Ammi majus A. M. Shapiro 1987-7-11 s.n. San Joaquin ca. 2 mi. west of Farmington, State Hwy 4, milepost J.S. 28.00. Comment
  CAS-BOT-BC214041  Amsinckia John Thomas Howell 1933-3-26 10891 San Joaquin Corral Hollow Comment
  CAS-BOT-BC214043  Amsinckia John Thomas Howell 1933-3-26 10890 San Joaquin Corral Hollow Comment
  RSA0091577  Amsinckia Robert F. Hoover 1938-4-9 3023 San Joaquin One mile north of Corral Hollow near Alameda County line. Comment
  CAS-BOT-BC214039  Amsinckia L. R. Abrams 1923-3-31 9953 San Joaquin 3 mi. from Manteca on Stockton Road Comment
  CAS-BOT-BC214040  Amsinckia Lewis S. Rose 1936-2-20 36009 San Joaquin Ripon 21 Comment
  RSA0090957  Amsinckia C. B. Wolf 1937-3-31 8375 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC26859  Amsinckia delicata Alice Eastwood 1917-4-2 s.n. San Joaquin Banta Comment
  CAS-BOT-BC222314  Amsinckia douglasiana Carl B. Wolf 1937-3-31 8375 San Joaquin San Joaquin Valley, 1 mi. So. of Stockton on Tracy Road 5 Comment
  JEPS61114  Amsinckia eastwoodiae R. F. Hoover 1935-3-1 232 San Joaquin Vernalis Comment
  RSA499907  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  UC1084432  Amsinckia eastwoodiae G. Thomas Robbins 1940-3-16 285 San Joaquin near Castle Rock (n facing slope Corral Hollow); Corral Hollow 198 Comment
  UC1084594  Amsinckia eastwoodiae Francia Chisaki, Peter M. Ray 1952-3-29 2189 San Joaquin 1.8 mi n Corral Hollow (basin e of Alameda-San Joaquin County line) 381 Comment
  UC718455  Amsinckia eastwoodiae Carl B. Wolf 1937-3-31 San Joaquin 3 mi e Tracy (at junction with Vernalis Road); San Joaquin Valley 7 Comment
  UC723298  Amsinckia eastwoodiae H. K. Sharsmith 1935-3-3 1485 San Joaquin slopes of Corral Hollow; Mount Hamilton Range 228 Comment
  UC763140  Amsinckia eastwoodiae R. F. Hoover 1938-4-10 3064 San Joaquin Lower Hospital Canyon Comment
  RSA21265  Amsinckia eastwoodiae C. B. Wolf 1937-3-31 8379 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC222440  Amsinckia grandiflora Peter H. Raven 1950-3-26 1518 San Joaquin Corrall [Corral] Hollow, 2 miles up canyon opening on the Tesla Rd. 15.1 miles from Livermore Comment
  CAS-BOT-BC222447  Amsinckia grandiflora Robert F. Hoover 1938-5-7 3357 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  CAS-BOT-BC222450  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin East side of canyon leading north from Corral Hollow 0.45 mile east of San Joaquin-Alameda County line, 1.1 miles north of road in Corral Hollow 304 Comment
  CAS-BOT-BC222451  Amsinckia grandiflora A. Mullen; G. A. Beeman 1991-4-18 s.n. San Joaquin Patrick/Mark Conolly Ranch 274 Comment
  JEPS24887  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS46003  Amsinckia grandiflora L. R. Heckard, Ornduff, John J. Souza 1966-4-16 1470 San Joaquin North from Corral Hollow Road, about 1 mile from road and 1/2 mile east of Alameda County line. Just Southwest of drop tower of the U.S. Atomic Energy Commission testing area. Comment
  JEPS83139  Amsinckia grandiflora L. R. Heckard 1974-4-25 3671 San Joaquin just w. of Drop Tower No. <__> on grounds of Atomic Energy Commission (1/2 mi. e. of Alameda Co. line, University CA test site in Corral Hollow); University CA test site in Corral Hollow 304 Comment
  RSA584743  Amsinckia grandiflora A. Mullen, G. A. Beeman 1991-4-18 s.n. San Joaquin Patrick / Mark Conolly Ranch. North facing canyon wall on very steep slope. 274 Comment
  UC1084620  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin 1.1 mi n of road in Corral Hollow (0.45 e of San Joaquin-Alameda County line, e side of canyon n from Corral Hollow, on n side of one hill in area of 0.5 acre) 304 Comment
  UC1178263  Amsinckia grandiflora Francia Chisaki 1956-4-5 664 San Joaquin 1.5 mi n of raod in Corral Hollow (0.45 mi e of San Joaquin-Alameda county line, e side of canyon leading n from Corral Hollow) Comment
  CDA19660  Amsinckia intermedia G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1180 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  HSC104228  Amsinckia intermedia G. K. Helmkamp 2014-3-18 22574 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  JEPS76766  Amsinckia intermedia L. R. Heckard 1974-4-25 3674 San Joaquin on grounds of Atomic Energy Commission, Univ. of Calif (testing site in Corral Hollow, 1/2 mi e of Alameda County line, just w of Drop Tower) 304 Comment
  POM212645  Amsinckia intermedia Lincoln Constance, Alan Bettle 1940-3-21 2527 San Joaquin Castle Rock, Coral Hollow. 198 Comment
  SD240912  Amsinckia intermedia George K Helmkamp, E. A. Helmkamp 2012-4-7 18721 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of tis junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UC1178286  Amsinckia intermedia Ray and Chisaki 1952-9-3 K 159 San Joaquin Farmington Comment
  UC1191062  Amsinckia intermedia C. R. Bell 1951-4-6 954 San Joaquin Farmington Comment
  UCR207836  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2009-3-26 14459 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR253604  Amsinckia intermedia George K. Helmkamp 2014-3-18 22574 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CDA40600  Amsinckia intermedia T. C. Fuller 1962-4-2 8207 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  SJSU11340  Amsinckia intermedia D. O. Barber 1965-4-17 San Joaquin 2 mi SW of Escalon Comment
  UCD119689  Amsinckia intermedia Marvin L. Nies 1951-4-7 41 San Joaquin 5 miles east of Lodi. Comment
  UC1094067  Amsinckia lycopsoides Francia Chisaki, Peter M. Ray 1951-4-14 1984 San Joaquin 3 mi e Stockton (Hwy #4) 7 Comment
  UC727044  Amsinckia lycopsoides A. A. Heller 1941-3-24 15911 San Joaquin Banta Comment
  UC78270  Amsinckia lycopsoides T. S. Brandegee May 1889 San Joaquin Tracy Comment
  POM146257  Amsinckia lycopsoides E. E. Stanford 1927-3-7 96 San Joaquin Stockton Campus. Comment
  SD49868  Amsinckia lycopsoides Francia Chisaki 1954-3-27 583 San Joaquin On Corral Hollow Road, 1.7 miles south of its junction with Fabian Road (Now Tracy Expressway) Comment
  CDA19661  Amsinckia menziesii G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1181 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  UC1178324  Amsinckia menziesii var. menziesii Ray and Chisaki 1952-4-22 K 139 San Joaquin Farmington Comment
  RSA0089719  Amsinckia obvallata C. F. Baker 1903-4-25 2779 San Joaquin Tracy. Comment
  RSA0089747  Amsinckia obvallata A. A. Heller 1941-3-24 15911 San Joaquin Banta. Comment
  SEINET10697928 Image available Amsinckia obvallata Charles F. Baker 1903-4-25 Baker 2779 San Joaquin Tracy, San Joaquin county, California. Frequent in low fields. Comment
  SEINET12519038  Amsinckia retrorsa Carl B. Wolf 1937-1 8378 San Joaquin San Joaquin Valley, 3 mi. E of Tracy at junction with Vernalis Road 8 Comment
  CAS-BOT-BC26813  Amsinckia rugosissima C. F. Baker 1903-4-25 2779 San Joaquin Tracy Comment
  CAS-BOT-BC26954  Amsinckia scabricarpa Alice Eastwood 1917-4-2 s.n. San Joaquin Banta Comment
  JEPS20912 Image available Amsinckia tessellata W. L. Jepson 1896-6-27 100 d San Joaquin between Mossdale School and Atlanta; ; Between Mossdale School & Atlanta, San Joaquin Co. Comment
  SEINET12519231  Amsinckia tessellata P. O. Schallert 1943-1 39 San Joaquin Stockton Comment
  JEPS25301  Amsinckia tessellata var. gloriosa R. F. Hoover 1938-3-20 2892 San Joaquin Vernalis Comment
  UC762803  Amsinckia tessellata var. gloriosa R. F. Hoover 1938-3-20 2892 San Joaquin Vernalis Comment
  UC762809  Amsinckia tessellata var. gloriosa R. F. Hoover 1938-3-19 2865 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  RSA97193  Amsinckia vernicosa Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  JEPS14265  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi and Francia Chisaki with Annetta Carter, Lucille Mason and Isabelle Tovares 1956-4-5 5581 San Joaquin 0.45 mi e of Alameda-San Joaquin county line (about 1.5 mi n of the Corral Hollow road, inner South Coast Range, in first side canyon to the north); South Coast Range 396 Comment
  JEPS27275  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi 1961-2-27 7545 San Joaquin in canyon n of Corral Hollow (just below and s of drop-tower installation of Atomic Energy Commission, just e of Alameda-San Joaquin county line) 243 Comment
  UC596209  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-9 3023 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  UC765547  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-10 3063 San Joaquin Lower Hospital Canyon Comment
  JEPS40576  Ancistrocarphus filagineus R. F. Hoover 1937-4-3 1741 San Joaquin lower end Corral Hollow Comment
  UC635716  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 San Joaquin two mi e Midway Comment
  UCD77333  Androsace elongata subsp. acuta Robert E. Preston 2002-4-1 1782 San Joaquin Lawrence Livermore National Laboratory, Site 300. 365 Comment
  SFV797  Anemopsis californica J. W. Katberg, Jr. 1966-4-30 39 San Joaquin San Joaquin Valley Along ditchbank northwest of Stockton; 0.25 miles north of Atherton Road and about 1.5 miles west of Thornton Road. -1 Comment
  UC4890  Anemopsis californica J. A. Sanford 1890-1 369 San Joaquin Stockton Comment
  UCD137931  Anemopsis californica J. W. Adriance 1922-6-28 s.n. San Joaquin Stockton. Comment
  CAS-BOT-BC84679  Anthemis cotula Volney Rattan 1880-1 s.n. San Joaquin Live Oaks Comment
  UCD127277  Anthriscus caucalis Terri Williamson 1990-4-28 14 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UC22896  Apocynum cannabinum J. A. Sanford 1890-1 San Joaquin Stockton Comment
  RSA23171  Apocynum cannabinum I. L. Wiggins 1938-8-15 s.n. San Joaquin Bank of drainage canal 1.5 miles east of Middle River Bridge on Highway #4 Comment
  RSA308817  Apocynum cannabinum I. L. Wiggins 1942-7-1 s.n. San Joaquin San Joaquin Bridge, 4.5 miles south of Stockton Comment
  RSA147785  Apocynum sibiricum E. E. Stanford 1927-9-26 715 San Joaquin Stockton, near Louis Park Comment
  CDA24670  Armoracia rusticana J. Solari 1966-4-12 San Joaquin San Joaquin Delta . 0 Comment
  CDA10146  Artemisia californica J. B. Gianelli 1973-10-31 San Joaquin U.S.D.A. Soil Conservation Service Plant Material Center, Lockeford. 0 Comment
  CAS-BOT-BC93746  Artemisia ludoviciana subsp. incompta Brian Atwater 1978-9-16 BA- 144 San Joaquin Tidal marsh and swamp inside a meander of Middle River, and vicinity; between Victoria Is. and Upper Jones Tract Comment
  UC91174  Artemisia ludoviciana subsp. ludoviciana T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  JEPS49960  Asclepias fascicularis W. L. Jepson 1923-10-22 10277 San Joaquin Union Island Lower San Joaquin River Comment
  UC22984  Asclepias fascicularis Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UCD121335  Asclepias fascicularis G. F. Hrusa 1992-8-26 9571 San Joaquin Caswell Memorial State Park. Comment
  CDA39834  Asclepias fascicularis Barry Aug 1938 s.n. San Joaquin Near Stockton. 0 Comment
  RSA401255  Asclepias fascicularis E. E. Stanford 1927-8-31 s.n. San Joaquin Stockton Comment
  JEPS49818  Asclepias vestita W. L. Jepson 1896-6-27 14541 San Joaquin between Mossdale School Atlanta; San Joaquin Valley Comment
  SJSU1658  Asclepias vestita M. E. Myers 1955-5-27 60 San Joaquin 12 mi E of Lodi, Sierra Nevada Foothills 60 Comment
  CAS-BOT-BC478842  Asparagus officinalis John Thomas Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  UCD138668  Asparagus officinalis subsp. officinalis John Thomas Howell 1954-9-5 30029 San Joaquin along Highway near Holt. Comment
  CDA10238  Aster chilensis Croce 1963-12-17 San Joaquin Woodbridge Irrigation District, Augie Orrigone property, north of Highway 99. 0 Comment
  SEINET3388586 Image available Aster exilis Lewis S. Rose 1932-10-2 32663 San Joaquin Holt Comment
  POM216529  Aster subulatus var. ligulatus D. D. Keck 1931-10-18 1320 San Joaquin Escalon. 38 Comment
  POM51393  Aster subulatus var. ligulatus L. R. Abrams 1917-9-14 6744 San Joaquin 4 miles north of Stockton; Stockton-Sacramento Road Comment
  CAS-BOT-BC478058  Asteraceae James McMurphy 1908-10-19 s.n. San Joaquin Between Tracy and Altamont Comment
  CAS-BOT-BC180513  Astragalus asymmetricus David D. Keck 1933-8-23 2502 San Joaquin Carnegie, Corral Hollow, Western San Joaquin County 198 Comment
  CAS-BOT-BC180515  Astragalus asymmetricus C. F. Baker 1903-4-27 2818 San Joaquin Bethany Comment
  RSA128159  Astragalus asymmetricus Clare B. Hardham 1959-5-6 4409 San Joaquin Intersection Nacimiento Dam Road and road to Pleyto. Comment
  RSA21625  Astragalus didymocarpus Roxana S. Ferris 1938-4-15 9418 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  RSA517287  Astragalus didymocarpus Barbara J. Ertter 1986-3-14 5787 San Joaquin Corral Hollow in Diablo Range SE of Livermore, along Tesla Rd (Rt. J12) 3.5 mi W of jct I-580. 152 Comment
  UC83407  Astragalus didymocarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  UC862650  Astragalus didymocarpus Lewis S. Rose 1938-4-18 38153 San Joaquin Hospital Canyon 152 Comment
  CAS-BOT-BC182330  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1938-4-18 5076 San Joaquin Hospital Canyon Comment
  UC1561440  Astragalus didymocarpus var. didymocarpus Barbara Ertter with Dale McNeal 1986-3-14 5787 San Joaquin along Tesla Rd. (Rt. J12) 3.5 mi w of jct I-580 (se of Livermore, Corral Hollow in Diablo Range); Diablo Range, Corral Hollow, se of Livermore 152 Comment
  CAS-BOT-BC178270  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC178271  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  UC168326  Astragalus gambelianus Katharine Brandegee 1908-1 San Joaquin Lathrop Comment
  UC764942  Astragalus gambelianus R. F. Hoover 1938-4-9 3040 San Joaquin hill betw. Castle Rock and Black Butte (Corral Hollow); , hill betw. Castle Rock and Black Butte Comment
  CAS-BOT-BC178268  Astragalus gambelianus Volney Rattan 1883-3-20 s.n. San Joaquin Wilkinson's Ranch Comment
  RSA60141  Astragalus gambelianus Lois E. James 1947-4-12 1756 San Joaquin Hills just N of San Luis Obispo. Comment
  RSA60149  Astragalus gambelianus Lois E. James 1947-4-12 1755 San Joaquin Hills just N of San Luis Obispo. Comment
  CAS-BOT-BC186972  Astragalus layneae C. F. Saunders 1903-5-1 s.n. San Joaquin Victor Comment
  SEINET948625  Astragalus oxyphysopsis Carl B. Wolf 1935-1 6415 San Joaquin Coalinga -- Hanford Road, 2 3/10 miles MI. E. of Fresno County line. Comment
  RSA128158  Astragalus trichopodus Clare B. Hardham 1957-5-10 1953 San Joaquin Willow Creek, near Memmonite Church. Comment
  UC762952  Athysanus pusillus R. F. Hoover 1938-2-27 2793 San Joaquin Castle Rock, Corral Hollow Corral Hollow; Castle Rock, Corral Hollow Comment
  CAS-BOT-BC16353  Athysanus unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow. 121 Comment
  CAS-BOT-BC168619  Atriplex Roxana S. Ferris 1938-4-15 9422 San Joaquin Near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  SEINET3930314  Atriplex californica Howard C. Stutz 1977-6-15 8030 San Joaquin Tracy.; 0 Comment
  CAS-BOT-BC168531  Atriplex confertifolia John Thomas Howell 1930-6-28 5324 San Joaquin Banta Junction, about 1 mile from Banta Comment
  UC2046130  Atriplex coronata var. vallicola Neal Kramer with Zoya Akulova 2015-5-29 2145 San Joaquin hills west of Interstate 580, between Corral Hollow Road and Patterson Pass Road Comment
  RSA97313  Atriplex fruticulosa J. T. Howell 1953-4-26 28934 San Joaquin Just NE of Corral Hollow on road to Tracy. Comment
  SEINET4133819  Atriplex fruticulosa Howard C. Stutz 1991-5-31 95520 San Joaquin North Livermore, 2000 No, Bluebell Boulevard.; 0 Comment
  POM195360  Atriplex joaquinana H. M. Hall 1927-5-15 12270 San Joaquin Stockton Comment
  RSA43040  Atriplex polycarpa Robert F. Hoover 1946-9-14 6392 San Joaquin Shandon, on alkaline valley flat Comment
  UCD97621  Atriplex prostrata K. Esau 1929-9-21 2039 San Joaquin Staten Island. Comment
  CDA2938  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  UC57370  Atriplex semibaccata N. K. Berg 1903-12-10 28 San Joaquin Rough and Ready Isl. Comment
  CDA23326  Atriplex serenana T. C. Fuller 1962-6-4 8833 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  POM216532  Atriplex serenana D. D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., 5 miles E of Manteca. 23 Comment
  UCD97792  Atriplex serenana A. S. Crafts 1926-7-24 503 San Joaquin between Manteca and Merced. Comment
  CAS-BOT-BC180889  Atriplex serenana var. serenana David D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., five miles east of Manteca 23 Comment
  CAS-BOT-BC180893  Atriplex serenana var. serenana Roxana S. Ferris 1951-9-15 12470 San Joaquin Near Lathrop. Comment
  CAS-BOT-BC180891  Atriplex serenana var. serenana R. F. Hoover 1965-8-27 9517 San Joaquin Carpenter Road near San Joaquin River, south of Modesto Comment
  CAS-BOT-BC180895  Atriplex serenana var. serenana John Thomas Howell 1929-9-21 4412 San Joaquin Railroad embankment, Holt. Comment
  RSA478356  Atriplex subspicata E. E. Stanford 1926-10-12 55 San Joaquin Near Stockton Comment
  UC767830  Atriplex triangularis R. F. Hoover 1935-9-7 721 San Joaquin Roberts Island Comment
  SEINET3291460 Image available Avena fatua Unknown 1945-4-22 San Joaquin Stockton Comment
  UCD96917  Avena fatua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6954 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  SBBG28505  Azolla filiculoides E. Lee 1934-7-4 970 San Joaquin Borden Hwy between Middle and Old Fks of San Joaquin River Comment
  CAS-BOT-BC66228  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  CAS-BOT-BC66231  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  POM209887  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  CDA15564  Baccharis glutinosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14895 San Joaquin Caswell Memorial State Park. Comment
  JEPS21242  Baccharis glutinosa R. F. Hoover 1935-9-9 724 San Joaquin Union Island Comment
  UC61022  Baccharis glutinosa N. K. Berg 1903-12-12 San Joaquin Rough and Ready Island Comment
  UCD129414  Baccharis glutinosa P. B. Kennedy 1928-9-30 s.n. San Joaquin at Holt. Comment
  CAS-BOT-BC98211  Baccharis salicifolia E. E. Stanford 1930-4-14 1316 San Joaquin Near Calaveras Co. line in open range land. Comment
  RSA18937  Baccharis salicifolia Roxana S. Ferris 1938-4-15 9402 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  CDA6269  Bacopa J. F. Silva 1964-6-16 San Joaquin Escalon District.. 0 Comment
  UCD18400  Banisteria schizoptera Warren G. Roberts 1978-7-26 s.n. San Joaquin San Joaquin and Yolo Counties: cities of Stockton and Davis. Comment
  CDA21203  Basella alba J. Allan 2006-11-3 PDR 1301869 San Joaquin San Joaquin Valley; SE corner of Sonora and Della, Stribley Park. Comment
  POM204439  Bassia hyssopifolia J. T. Howell 1933-7-20 11444 San Joaquin Bottom lands along San Joaquin River near Tracy. Comment
  CAS-BOT-BC102060  Bidens frondosa Brian Atwater 1978-9-16 BA- 147 San Joaquin inside a meander of Middle River; between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC102061  Bidens frondosa John Thomas Howell 1929-9-21 4408 San Joaquin Holt Comment
  CDA15560  Bidens frondosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14891 San Joaquin Caswell Memorial State Park on Stanislaus River. W terminus of Fence Line trail. Comment
  UC579887  Bidens frondosa Annetta Carter 1934-7-4 1934 San Joaquin between Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway Comment
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  RSA92410  Bidens frondosa Annetta Carter 1934-7-4 678 San Joaquin Borden Highway between Middle River and Holt Comment
  SD58196  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, lower San Joaquin River. Comment
  CDA10519  Bidens laevis T. C. Fuller 1959-10-27 3261 San Joaquin Road to Knights Ferry, ca. 4 miles southwest of Farmington. 0 Comment
  CDA6859  Bidens tripartita T. C. Fuller 1968-10-31 17940 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  RSA0000971  Biolettia riparia F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  UC1873047  Blennosperma nanum David Keil 2005-3-13 30360 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada with wide, flat valleys with vernal pools. 82 Comment
  CAS-BOT-BC100278  Blennosperma nanum var. nanum E. E. Stanford 1928-3-20 817 San Joaquin Near Peters 45 Comment
  CAS-BOT-BC127906  Blepharizonia laxa James Vale 1975-10-4 s.n. San Joaquin Middle part of Corral Hollow Comment
  CAS-BOT-BC127910  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Lower part of Hospital Canyon, Mount Hamilton Range 152 Comment
  CAS-BOT-BC127911  Blepharizonia laxa Katharine Brandegee 1907-10-1 s.n. San Joaquin near Stockton Comment
  UCD129612  Blepharizonia laxa Robert E. Preston 1996-10-4 1004 San Joaquin east-facing bank on north side of Corral Hollow Road, around 1.8 mile west of it junction with I-5. 137 Comment
  RSA81638  Blepharizonia plumosa subsp. plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6.5 miles west of Tracy Comment
  RSA41165  Boisduvalia stricta Robert F. Hoover 1935-6-12 651 San Joaquin Farmington. Comment
  CAS-BOT-BC31038  Bolboschoenus maritimus John Thomas Howell 1930-9-28 5509 San Joaquin Subsaline hollow along Borden Highway to Stockton. Comment
  RSA201509  Brachypodium distachyon Robert F. Hoover 1954-5-20 8348 San Joaquin 330 Chaplin Lane Comment
  UCR194718  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR253790  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20060 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  RSA482907  Brassica nigra E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CDA3602  Brassica rapa T. C. Fuller 1962-4-2 8204 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  SD240938  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles nouthwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  SD243111  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2011-3-12 17070 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99 (Lodi North 7.5'Q) 27 Comment
  SEINET4560755  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2011-1 17070 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99. 27 Comment
  UCR238400  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  RSA482940  Brassica rapa Flossie Draper 1927-10-6 33 San Joaquin Near campus [Stockton] Comment
  CAS-BOT-BC145510  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 15 Comment
  RSA25312  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 16 Comment
  RSA70128  Brodiaea appendiculata E. E. Stanford 1930-5-3 1467 San Joaquin Jack Tone Road. Comment
  UC552435  Brodiaea appendiculata R. F. Hoover 1936-4-30 1058 San Joaquin Farmington Comment
  CAS-BOT-BC482168  Brodiaea appendiculata Roxana S. Ferris 1953-5-15 12641 San Joaquin On road betw. Everett School and intersection with Bellota-Farmington road ca. 1 mi. W. of intersection Comment
  SEINET7072961  Brodiaea coronaria A. G. Vestal 1963-5-27 s.n. San Joaquin Old aluvium at a stony adobe about 0.7 mile east of Duck Creek and east of Linden and northeast of Bellota on Route 26. Coordinate datum: WGS84/NAD83. (38? deg. 3' 38" North Latitude, -121? deg. 0' 12" West Longitude, UTM Zone 10, 675168mE, 4214211mN. Coordinate datum: NAD27.). Comment
  SEINET10533783  Brodiaea coronaria E. E. Stanford 1928-5-12 Stanford 952 San Joaquin Near Peters. Open fields in dry soil. Comment
  RSA462416  Brodiaea elegans subsp. elegans E. E. Stanford 1930-5-3 1467 San Joaquin Jack Tone Road. Comment
  SEINET10534046  Brodiaea hyacinthina Charles L. Hitchcock 1940-5-12 Hitchcock 6366 San Joaquin 3 miles south of Galt. In drying vernal pool. elev. 52 feet. 15 Comment
  SEINET10833788  Brodiaea laxa E. E. Stanford 1928-4-7 Stanford 851 San Joaquin Near Collegeville. In fields of wild oats. Comment
  CAS-BOT-BC484509  Brodiaea minor Roxana S. Ferris 1953-5-15 12642 San Joaquin Road between Everett School & intersection with Bellota-Farmington road, ca. 1 mi. W of intersection Comment
  SEINET10533895  Brodiaea synandra E. E. Stanford 1930-5-3 Stanford 1467 San Joaquin Jacktone Road. Open fields. Comment
  CDA31583  Bromus catharticus J. F. Silva 1964-8-7 San Joaquin Escalon Dist. 0 Comment
  HSC9149  Bromus catharticus C. S. Chavez 1965-4-10 30 San Joaquin Hwy. 50 downtown Tracy Comment
  SEINET3271555 Image available Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley; junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR207828  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR253640  Bromus diandrus George K. Helmkamp 2014-3-18 22581 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UC1131066  Bromus hordeaceus C. M. Belshaw 1936-4-24 1976 A San Joaquin 1 1/2 mi sw of Wallace 121 Comment
  UC596191  Bromus hordeaceus R. F. Hoover 1935-3-16 346 San Joaquin Farmington Comment
  UCD58638  Bromus hordeaceus Mrs. H. P. Kelley 1916-5-25 s.n. San Joaquin San Joaquin County. Comment
  SEINET3560460 Image available Bromus rigidus var. gussonei Unknown 1945-4-22 s.n. San Joaquin Near Stockton. Comment
  CDA21078  Cabomba caroliniana D. Griffin, E. Finley 1995-10-6 s.n. San Joaquin Disappointment Slough, Sacamento-San Joaquin River Delta, NW of Stockton. 0 Comment
  CDA37684  Cabomba caroliniana R. Breckenridge/D. Kratville 2004-5-19 s.n. San Joaquin Stockton, near Paradise Point Marina, Eight Mile Road. 0 Comment
  CDA14314  Caesalpinia gilliesii J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; In the vicinity of 11th & Bird Streets in Tracy. 0 Comment
  UC7747  Calandrinia ciliata J. A. Sanford 1890-1 94 San Joaquin French Camp Comment
  CAS-BOT-BC438329  Calandrinia ciliata E. Roy Weston 1927-4-3 586 San Joaquin Near Comanche Pk., San Joaquin Valley Comment
  UCD100201  Calandrinia ciliata G. F. Hrusa; S. A. Wagner 1992-3-21 9091 San Joaquin Caswell Memorial State Park; at edge of trail to west of parking area adjacent to the woodland. Comment
  UC19137  Callitriche marginata J. A. Sanford 1890-1 360 San Joaquin Waverly Comment
  RSA98333  Calochortus clavatus var. pallidus Rimo C. Bacigalupi 1949-5-17 3097 San Joaquin Hospital Canyon, lower slopes. 183 Comment
  UC3411  Calochortus luteus F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC490541  Calochortus luteus Gladys L. Smith 1959-5-1 1064 San Joaquin 1 mile east of Wallace, highway 12. 60 Comment
  UC3491 Image available Calochortus venustus F. W. Gunnison May 1896 San Joaquin Linden Comment
  POM172658  Calycadenia hispida E. E. Welty 1916-9-23 s.n. San Joaquin 7 miles northeast of Ripon Comment
  JEPS33814  Calycadenia multiglandulosa C. C. Parry 1881-1-1 San Joaquin Stockton Comment
  CAS-BOT-BC270658  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton Comment
  CAS-BOT-BC270660  Calycadenia multiglandulosa John Thomas Howell 1931-9-23 s.n. San Joaquin Cultivated at Carnegie Laboratory from seed collected 2.5 miles E of Farmington Comment
  CAS-BOT-BC270661  Calycadenia multiglandulosa David D. Keck 1932-6-26 1507 San Joaquin 2.5 miles E of Farmington, on Milton Road, along deep ditch Comment
  CAS-BOT-BC270663  Calycadenia multiglandulosa David D. Keck; Palmer Stockwell 1933-8-23 2511 San Joaquin 2.5 miles E of Farmington, on bank at edge of cultivated field Comment
  CAS-BOT-BC270665  Calycadenia multiglandulosa David D. Keck; Palmer Stockwell 1933-8-23 2511 San Joaquin 2.5 miles E of Farmington, on bank at edge of cultivated field Comment
  UC177482  Calycadenia multiglandulosa C. C. Parry 1881-1-1 136 San Joaquin Pacific Coast Comment
  UCD129877  Calycadenia truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 miles west of Calaveras County line on Highway 12. 60 Comment
  RSA255490  Calycadenia truncata subsp. truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 miles west of Calaveras Co. line on Hwy. 12 61 Comment
  UC596414  Calyptridium monandrum R. F. Hoover 1938-4-9 3044 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  CAS-BOT-BC190897  Calystegia sepium subsp. limnophila Herbert L. Mason; Verne Grant 1946-8-21 13067 San Joaquin Near Holt Comment
  JEPS31809  Camissonia campestris W. L. Jepson 1896-6-27 14488 San Joaquin between Mossdale School and Atlanta; lower San Joaquin Comment
  RSA31979  Camissonia contorta C. F. Baker 1903-4-25 2775 San Joaquin Tracy. Comment
  UC75061  Camissonia contorta C. F. Baker 1903-4-25 2775 San Joaquin Tracy Comment
  UCD148043  Camissonia contorta Lorianne Fought 2014-5-7 s.n. San Joaquin Manteca. Southwest of intersection of Union Rd and Hwy 120. South side of Peach Ave., 1/2 mile w of Union Rd. Vineyard. 9 Comment
  UC763041  Camissoniopsis micrantha R. F. Hoover 1938-4-9 3034 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  CAS-BOT-BC76271  Canbya candida Marcus E. Jones 1903-5-18 s.n. San Joaquin Victor [name changed to Victorville in 1901]. 792 Comment
  UC1192294  Cannabis sativa Herbert L. Mason, Verne Grant 1946-8-21 13058 San Joaquin w of Stockton (on Borden Highway) Comment
  UC914244  Cannabis sativa Verne and Alva Grant 1946-8-21 7849 San Joaquin between Stockton and Antioch San Joaquin Delta Comment
  UC10293  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  CAS-BOT-BC37042  Capsella bursa-pastoris E. E. Stanford 1926-9-12 13 San Joaquin Stockton. Pacific Manor. Comment
  SBBG128824  Capsella bursa-pastoris G. K. Helmkamp, E. A. Helmkamp 2012-2-3 18524 San Joaquin Escalon-Bellota Rd, 0.2 mi S of its jct with CA-26, NE of Linden 39 Comment
  UCD77457  Cardamine hirsuta Robert E. Preston 2006-2-23 2370 San Joaquin 4 mi NE of Clements 52 Comment
  JEPS13214  Cardaria chalepensis Rimo Bacigalupi with G. T. Robbins 1955-5-4 4987 San Joaquin ca. 4 mi. w. Stockton city limits (along Borden Hwy. (CA #4), 1 1/2 mi. e. of crossing of East R. (San Joquin R.)) 1 Comment
  CDA34366  Cardaria chalepensis E. Finley 1992-4-9 PDR 962388 San Joaquin Lammers Rd. Tracy. 0 Comment
  CAS-BOT-BC281789  Carduus tenuiflorus T. C. Fuller 1976-5-27 20136 San Joaquin S side of Mariposa Rd, Highway J7, 0.5 mile E of Wagner Rd, ca 7 miles NW of Escalon Comment
  CDA6898  Carduus tenuiflorus F. M. Newhall 1961-5-4 San Joaquin Route 1, Box 175, Acampo. 0 Comment
  UCD129915  Carduus tenuiflorus G. F. Hrusa; S. A. Wagner 1992-4-22 9292 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC19312  Carex barbarae T. C. Fuller 1962-4-24 8211 San Joaquin South side of W.P.R.R. tracks, between Paradise Cut & Old River, ca. 8 miles NE of Tracy. Comment
  CAS-BOT-BC19313  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-6-7 57 San Joaquin Near Lathrop. On the San Joquin River. Comment
  CAS-BOT-BC19311  Carex barbarae J. W. Congdon 1894-3-31 s.n. San Joaquin Lockeford. Comment
  SEINET7551519 Image available Carex barbarae Wilhelm N. Suksdorf 1913-6-7 57 San Joaquin On the San Joaquin River, near Lathrop. Comment
  SEINET10648294  Carex breviligulata E. E. Stanford 1927-5-28 Stanford 445 San Joaquin Near Stockton. In sand, Calaveras River bottom. Comment
  CAS-BOT-BC34271  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin San Joaquin Delta near Holt. Comment
  POM313128  Carex comosa H. L. Mason 1928-9-30 4957 San Joaquin San Joaquin Delta near Holt. Comment
  UCD140307  Carex feta G. F. Hrusa; S. A. Wagner 1992-8-9 9360 San Joaquin Oxbow Lake. Comment
  CAS-BOT-BC118334  Carex praegracilis Wilhelm Nikolaus Suksdorf 1913-6-6 43 San Joaquin Lathrop Comment
  UC835641  Carex praegracilis Wilhelm N. Suksdorf 1913-6-6 40 San Joaquin near Lathrop Comment
  SEINET13331021 Image available Carthamus baeticus T. C. Fuller 1960-5-17 4333 San Joaquin Fencerow adjacent to Ladino clover pasture, S. Hwy. 4, 1.4 mi. E. Jacktone Rd., 8.7 mi. E. Stockton Comment
  CAS-BOT-BC474713  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin East of Stockton; south side of Farmington Rd at junction with Hollenbeck Rd, 1.3 mi E of Jack Tone Rd. 21 Comment
  CDA6946  Carthamus creticus T. C. Fuller 1960-5-17 4333 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  UCD150814  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin San Joaquin County, east of Stockton; south side of Farmington Road at junction with Hollenbeck Road, 1.3 miles east of Jack Tone Road. 21 Comment
  UCD129935  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin southside of Farmington Road, junction Hollenbeck Road, 1.3 miles east of Jacktone Road, east of Stockton. Comment
  CAS-BOT-BC281891  Carthamus lanatus T. C. Fuller 1960-5-17 4333 San Joaquin Adjacent to Ladino clover pasture, S/Highway 4, 1.4 miles E/Jacktone Rd, 8.7 mile E/Stockton Comment
  CAS-BOT-BC281928  Carthamus tinctorius W. E. Keithly 1930-7-24 s.n. San Joaquin Bethany Comment
  JEPS3793  Castilleja attenuata W. L. Jepson 1929-4-28 15193 San Joaquin Lockeford 30 Comment
  CDA14344  Castilleja campestris subsp. campestris J. B. Gianelli 1995-5-4 San Joaquin Angraves Estate, Acampo. 0 Comment
  CDA14401  Castilleja campestris subsp. campestris J. B. Gianelli 1997-4-2 s.n. San Joaquin Angraves Estate, northeast corner of Liberty and Dustin roads, Acampo. 0 Comment
  UC124320  Castilleja exserta C. F. Baker 1903-4-26 2784 San Joaquin Bethany Comment
  JEPS10296  Castilleja exserta subsp. exserta W. L. Jepson 1938-4-14 18687 San Joaquin 2 mi ne Clements Comment
  JEPS18886  Castilleja exserta subsp. exserta Rimo Bacigalupi with A. Carter, F. Chisaki et al. 1956-4-5 5580 San Joaquin about 1.5 mi n Corral Hollow Road (in first side canyon 0.45 mi ne of the Alameda-San Joaquin County line, off the Corral Hollow) 396 Comment
  UC764614  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-10 2837 San Joaquin near county line (Corral Hollow); Corral Hollow Comment
  UC765076  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-4-9 3024 San Joaquin near Alameda Co. line 1 mi n Corral Hollow; n of Corral Hollow Comment
  CAS-BOT-BC41066  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC41067  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC41069  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-5-24 5789 San Joaquin Hospital Canyon. Comment
  CDA24866  Caulanthus flavescens Jim Jokerst 1989-3-3 3075 San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  CAS-BOT-BC40347  Caulanthus lasiophyllus Volney Rattan 1877-3-14 s.n. San Joaquin Live Oaks. Comment
  UC1070941  Ceanothus cuneatus var. cuneatus R. W. Lundh 1932-6-1 116 San Joaquin Coral Hollow Creek Mt. Hamilton quad 838 Comment
  UC1070699  Ceanothus integerrimus R. D. Roseberry 1935-5-13 157 San Joaquin Mokelumne River 60 Comment
  CAS-BOT-BC281964  Centaurea benedicta John Thomas Howell 1930-6-29 5330 San Joaquin At Nile Garden, station on the Western Pacific RR, W of Manteca Comment
  SEINET3385972 Image available Centaurea melitensis P. O. Schallert 1945-4-22 227 San Joaquin Stockton, Delta Area, near Stockton. Comment
  UC30925  Centaurea melitensis J. A. Sanford 1891-1 26 San Joaquin Waverly Comment
  SEINET3237955 Image available Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCR194725  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC284484  Centaurea solstitialis T. C. Fuller 1960-5-17 4332 San Joaquin Fencerow adjacent to Ladino clover pasture, S/Hwy 4, 1.4 mi. E/Jacktone Road, 8.7 mi. E/Stockton Comment
  UCD130074  Centaurea solstitialis G. F. Hrusa; S. A. Wagner 1992-7-8 9140 San Joaquin Caswell Memorial State Park. Immediately below picnic area. Comment
  CDA7354  Centaurea sulphurea D. Fehling 1963-6-11 San Joaquin Claude C. Wood Construction Company yard, Victor Road, Lodi. 0 Comment
  UC763206  Centaurium muehlenbergii Robert F. Hoover 1935-6-12 649 San Joaquin Farmington Comment
  CAS-BOT-BC288640  Centromadia fitchii David D. Keck 1933-10-28 2570 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288641  Centromadia fitchii David D. Keck 1933-10-28 2570 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288643  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288648  Centromadia fitchii Samuel B. Parish 1934-11-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC288650  Centromadia fitchii David D. Keck 1933-10-28 2570 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  UC30948  Centromadia fitchii J. A. Sanford 1890-1-1 20 San Joaquin Waverly Comment
  UC30949  Centromadia fitchii J. A. Sanford San Joaquin Comment
  UC532118  Centromadia fitchii David D. Keck 1933-10-28 2571 San Joaquin ca. 3 mi E of Stockton (Farmington Road, 0.7 mi from int with US 99) Comment
  CAS-BOT-BC288645  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  CAS-BOT-BC288647  Centromadia fitchii Ira L. Wiggins 1934-6-23 6938 San Joaquin 3.2 miles E of Escalon on road to Oakdale Comment
  OBI75388  Centromadia fitchii David J. Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Hwy 88, 11.9 miles east of Hwy 99. Comment
  SEINET3928147  Centromadia fitchii David Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Highway 88, 11.9 miles east of Highway 99.; 0 Comment
  SJSU5865  Centromadia fitchii M. E. Myers 1955-7-30 91 San Joaquin 12 miles E of Lodi 182 Comment
  CAS-BOT-BC271512  Centromadia parryi subsp. rudis H. M. Hall 1923-10-10 11913 San Joaquin South of Stockton a few miles Comment
  CAS-BOT-BC271514  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2581 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC271516  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton Comment
  CAS-BOT-BC271519  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC134634  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin near Stockton (railroad track) Comment
  CAS-BOT-BC279115  Centromadia pungens subsp. laevis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento Comment
  CAS-BOT-BC279287  Centromadia pungens subsp. pungens K. Brandegee 1914-9-27 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC279288  Centromadia pungens subsp. pungens David D. Keck 1933-8-23 2503 San Joaquin Corral Hollow (east end), 10.5 mi. S.W. of Tracy Comment
  CAS-BOT-BC279294  Centromadia pungens subsp. pungens John Thomas Howell 1930-6-28 5327 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC279299  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2582 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  JEPS33287  Centromadia pungens subsp. pungens Rimo Bacigalupi and L. Constance 1962-8-13 8725 San Joaquin along base of Southern Pacific Railway embankment just s town of Lathrop 5 Comment
  JEPS38171  Centromadia pungens subsp. pungens W. L. Jepson 1896-7-17 San Joaquin near Stockton; Valley of the San Joaquin Comment
  UC30955  Centromadia pungens subsp. pungens H. P. Fitch 125 San Joaquin Stockton Comment
  UC480896  Centromadia pungens subsp. pungens Katharine Brandegee San Joaquin Lathrop Comment
  UC73975  Centromadia pungens subsp. pungens J. A. Sanford 22 San Joaquin Waverly Comment
  UC87210  Centromadia pungens subsp. pungens Katharine Brandegee 1907-8-1 San Joaquin Lathrop Comment
  CAS-BOT-BC279292  Centromadia pungens subsp. pungens David D. Keck 1932-6-26 1503 San Joaquin Nilegarden Station, 3 miles west of Manteca Comment
  CAS-BOT-BC279296  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12849 San Joaquin 2 miles south of Stockton on Tracy road Comment
  CAS-BOT-BC222956  Cephalanthus occidentalis E. E. Stanford 1930-8-1 1873 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC222962  Cephalanthus occidentalis E. E. Stanford 1926-10-28 93 San Joaquin Near Stockton Comment
  CAS-BOT-BC222964  Cephalanthus occidentalis Brian Atwater 1978-8-24 BA- 107 San Joaquin Between Rindge Tract and Wright Tract Comment
  JEPS12457  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UC28128  Cephalanthus occidentalis var. californicus J. Burtt Davy 1893-11-13 1178 San Joaquin Stockton Comment
  UC8263  Cerastium glomeratum J. A. Sanford 1890-1 412 San Joaquin Waverly Comment
  UCR232268  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17080 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  UCD98049  Cerastium glomeratum G. F. Hrusa; S. A. Wagner 1992-4-22 9282 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC400159  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  CDA18615  Ceratophyllum demersum E. Finley 1999-10-3 PDR 1013546 B San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  RSA128750  Chamaesyce nutans R. DeVol 1959-9-4 s.n. San Joaquin West side Pearson Road, 1/2 milesw south of Armstrong Rd., Lodi. Comment
  JEPS91379  Chamaesyce ocellata subsp. ocellata Dean Wm. Taylor with Glenn Clifton 1991-6-10 11211 San Joaquin vernal pools along Goose Creek, on stony alluvial terraces on S boundary Section 27 70 Comment
  JEPS52367  Chamaesyce serpyllifolia Harriet A. Walker 1907-9-8 910 San Joaquin Lathrop Comment
  UC136729  Chamaesyce serpyllifolia Katharine Brandegee Sept. 1907 San Joaquin Lathrop Comment
  UC17674  Chamaesyce serpyllifolia F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  RSA789503  Chenopodium George K. Helmkamp, E. Helmkamp 2011-10-15 18430 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC175679  Chenopodium album G. K. Helmkamp; E. A. Helmkamp 2007-10-13 13096 San Joaquin Northern San Joaquin Valley: along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR194981  Chenopodium album George K. Helmkamp, E. A. Helmkamp 2007-10-13 13096 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  RSA423297  Chenopodium album E. E. Stanford 1930-5-28 1528 San Joaquin Lincoln Highway near French Camp Comment
  UCD97771  Chenopodium album G. F. Hrusa 1992-8-26 9550 San Joaquin Caswell Memorial State Park, near the western boundary. Comment
  JEPS79579  Chenopodium ambrosioides Edward Lee with A. Carter and F. Little 1934-7-4 953 San Joaquin Borden Hwy (road to Holt) 1/4 mi e Middle River Comment
  UC1076555  Chenopodium ambrosioides Herbert L. Mason 1928-9-30 4963 San Joaquin near Holt; San Joaquin delta Comment
  UC66827  Chenopodium ambrosioides N. K. Berg Dec. 1903 San Joaquin Rough and Ready Island Stockton Comment
  UC580097  Chenopodium ambrosioides Ira L. Wiggins 1934-10-25 6980 San Joaquin along slough 1 mi w San Joaquin River Comment
  RSA18399  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 507 San Joaquin 3 miles W of Manteca. Comment
  RSA18394  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 512 San Joaquin 1 mile east of Rippon, Stanislaus River Bottom Comment
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Sep 17 2012
  RSA296423  Chenopodium ambrosioides var. ambrosioides W. L. Jepson 1913-11-22 5694 San Joaquin In barley and wheat fields. Middle River, San Joaquin Delta. Comment
  CDA3055  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  CDA3056  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-24 San Joaquin Near Manteca. 0 Comment
  UC7287  Chenopodium botrys J. A. Sanford 1890-1 28 San Joaquin Stockton Comment
  RSA478466  Chenopodium botrys R. Reynolds 1927-9-27 39 San Joaquin Stockton Comment
  JEPS59727  Chenopodium californicum W. L. Jepson 1922-4-2 9577 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  CDA3068  Chenopodium murale J. B. Gianelli 1975-7-11 San Joaquin 1642 Paloma Avenue, Stockton. 0 Comment
  CAS-BOT-BC177127  Chenopodium strictum var. glaucophyllum G. K. Helmkamp; E. A. Helmkamp 2007-10-13 13091 San Joaquin Northern San Joaquin Valley: along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC184900  Chloris virgata A. Bugbee 1968-8-15 s.n. San Joaquin Ripon. H. Mohler prop., Monsieur & Curtice Roads. Comment
  POM352125  Cichorium intybus E. E. Stanford 1926-10-28 88 San Joaquin Near Stockton Comment
  RSA125357  Cichorium intybus R. Weatherby 1949-5-30 508 San Joaquin Escalon near Manteca 30 Comment
  POM147748  Cicuta douglasii E. E. Stanford 1927-8-10 676 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  CAS-BOT-BC105784  Cirsium crassicaule John Thomas Howell 1933-7-20 11447 San Joaquin 2 miles nw of Lathrop Bridge on San Joaquin River Comment
  UC175998  Cirsium crassicaule W. N. Suksdorf 1913-6-4 111 San Joaquin Lathrop Comment
  UC91564  Cirsium crassicaule J. W. Congdon 1896-5-17 San Joaquin Lathrop Comment
  CAS-BOT-BC280115  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  UC64861  Cirsium vulgare N. K. Berg 1903-12-3 San Joaquin Rough and Ready Island Comment
  UC91841  Cirsium vulgare K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC285846  Cirsium vulgare E. E. Stanford 1926-10-12 50 San Joaquin Near Stockton Comment
  POM352186  Cirsium vulgare E. E. Stanford 1927-9-26 214 San Joaquin Stockton, near Louis Park Comment
  UCD130446  Cirsium vulgare G. F. Hrusa 1992-8-26 9549 San Joaquin Caswell Memorial State Park, in western park of park. Comment
  RSA739700  Citrullus colocynthis John Dittes 2003-10-17 851 San Joaquin Northern San Joaquin Valley; ca. 12.7 air-miles south by southwest of Lathrop, ca. 2.5 air-miles west by northwest of Vernalis, ca. 0.6 air-mile east by northeast of intersection of I-5 and Vernalis Road (Hwy 132). 49 Comment
  UC28903  Citrullus colocynthis var. lanatus F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CDA6710  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  CDA6711  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  CDA6714  Citrullus lanatus var. citroides R. Vargo 1996-10-1 s.n. San Joaquin Victoria Island between Stockton and Brentwood. 0 Comment
  CHSC85412  Citrullus lanatus var. citroides John Dittes 2003-10-17 851 San Joaquin Northern San Joaquin Valley; ca. 12.7 air-miles south by southwest of Lathrop, ca. 2.5 air-miles west by northwest of Vernalis, ca. 0.6 air-mile east by northeast of intersection of I-5 and Vernalis Road (Hwy 132); in lot next to Burger King parking lot. 48 Comment
  UCD104868  Clarkia purpurea Marvin Nies 1951-5-4 54 San Joaquin 7 miles E of Lodi on Harney Lane. Comment
  CDA19468  Clarkia purpurea subsp. quadrivulnera M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 206 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  RSA126146  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1952-4-22 28309 San Joaquin Corral Hollow [Alameda Co.?] Comment
  SEINET7042494  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  CAS-BOT-BC165269  Clarkia speciosa subsp. nitens Volney Rattan 1885-6-5 s.n. San Joaquin Live Oaks, Mokelumne Riv. Comment
  RSA0059953  Clarkia tembloriensis subsp. tembloriensis Robert F. Hoover 1938-5-7 3358 San Joaquin 1 mile N of Corral Hollow near Alameda County line Comment
  CAS-BOT-BC165431  Clarkia unguiculata Gladys L. Smith 1959-5-1 1041 San Joaquin Open field near Wallace Comment
  POM146134  Claytonia perfoliata E. E. Stanford 1927-3-11 106 San Joaquin Stockton Comment
  UCD100760  Claytonia perfoliata Terri Williamson 1990-4-28 15 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UCR207841  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2009-3-26 14453 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  CAS-BOT-BC440048  Claytonia perfoliata subsp. perfoliata E. E. Stanford 1928-3-2 785 San Joaquin Stockton Comment
  CAS-BOT-BC440051  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-3-26 10888 San Joaquin Corral Hollow Comment
  JEPS43242  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1922-4-2 9559 San Joaquin lower part Corral Hollow Mt. (w San Joaquin County); Hamilton Range 152 Comment
  UCR136763  Collinsia bartsiifolia E. E. Stanford 1930-4-12 1299 San Joaquin San Joaquin Valley, [c. 5 miles NW of Escalon] Mariposa Road near Cometa [Dodds] Road 27 Comment
  UC138791  Collinsia bartsiifolia var. bartsiifolia C. F. Baker 1903-4-25 2783 San Joaquin Tracy Comment
  UC672484  Collinsia bartsiifolia var. bartsiifolia Joseph Dixon 1928-3-31 96 San Joaquin Manteca Comment
  UC766263  Collinsia bartsiifolia var. bartsiifolia R. F. Hoover 1938-4-9 3033 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  POM15264  Collinsia bartsiifolia var. bartsiifolia C. F. Baker 1903-4-25 2783 San Joaquin Tracy. Comment
  POM196031  Collinsia bartsiifolia var. bartsiifolia Frances Staples 1929-4-14 s.n. San Joaquin Near Clements. Comment
  UC672468  Collinsia sparsiflora var. collina H. L. Mason 1929-4-7 5166 San Joaquin 10 mi e of Escalon Comment
  POM146209  Conium maculatum E. E. Stanford 1927-5-28 457 San Joaquin Stockton, Louis Park Comment
  UC23133  Convolvulus arvensis H. P. Fitch 1888-8-7 149 San Joaquin Stockton Comment
  UCR253496  Convolvulus arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20080 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  POM355858  Conyza canadensis Flossie Draper 1927-10-6 31 San Joaquin Near campus [Stockton] Comment
  UC26338  Cordylanthus pilosus J. A. Sanford 1890-1 428 San Joaquin Comment
  CAS-BOT-BC287953  Coreopsis calliopsidea Brandegee No date on label s.n. San Joaquin River Road along San Joaquin River just north of Stanislaus Co. line. Comment
  UC1211930  Coreopsis calliopsidea John H. Weiler and A. P. Nelson 1961-2-27 698 San Joaquin on a hill opposite the drop tower on Atomic Energy Commission territory at Corral Hollow Comment
  UC761897  Coreopsis calliopsidea R. F. Hoover 1938-3-19 2869 San Joaquin 1 mi n of Corral Hollow (near Alameda Co. line) Comment
  UC1443483  Coreopsis tinctoria Strother 1977-7-19 1279 San Joaquin Route J9 ca. 2 mi n Escalon (1/3 mi e of route J6, in roadside ditch) Comment
  CDA7458  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin Road to Bellota, 1 mile north of Escalon. 0 Comment
  UCD131021  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin east side of road to Bellota, 1 mile north of Escalon. Comment
  RSA397439  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  SEINET3383133 Image available Cotula coronopifolia P. O. Schallert 1945-5-19 180 San Joaquin Near Stockton Comment
  CAS-BOT-BC291365  Cotula coronopifolia E. E. Stanford 1930-5-12 1480 San Joaquin Robert's Island Comment
  CAS-BOT-BC427604  Crassula aquatica Brian Atwater 1978-8-22 BA- 61 San Joaquin Between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC427688  Crassula connata E. E. Stanford 1928-4-7 844 San Joaquin Stockton Comment
  UC23224  Cressa truxillensis J. A. Sanford 1890-1 42 San Joaquin Stockton Comment
  UCR232678  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-10-15 18429 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCD59934  Crypsis schoenoides Beecher Crampton 1960-8-9 5772 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC190198  Crypsis vaginiflora L. R. Abrams 1917-9-14 6732 San Joaquin 3 miles northwest of Stockton. Calaveras River. Comment
  CDA1920  Crypsis vaginiflora F. M. Newhall 1960-10-1 San Joaquin Bear Creek, E of Clements. 0 Comment
  JEPS68484  Crypsis vaginiflora W. L. Jepson 1923-10-22 10280 San Joaquin San Joaquin Ci<ty?> Comment
  POM206675  Crypsis vaginiflora Katherine Brandegee 1907-10-2 s.n. San Joaquin along Western Pacific Railway near Stockton. Comment
  UC277167  Crypsis vaginiflora Joseph P. Tracy 1921-5-25 5790 San Joaquin Farmington San Joaquin Valley 30 Comment
  UCD37242  Crypsis vaginiflora Beecher Crampton 1958-7-22 5019 San Joaquin San Joaquin County, 9 miles south of Clements, Frazier Road, 1 mile east of Clements Road to Farmington. Comment
  UCD38676  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  UCR132238  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin Central Valley, 4.5 miles north of Farmington 30 Comment
  CAS-BOT-BC190195  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  POM64406  Cryptantha C. F. Baker 1903-4-27 2787 San Joaquin Bethany Comment
  UC571895  Cryptantha flaccida C. W. and H. K. Sharsmith 1935-3-3 1484 San Joaquin e end Corral Hollow; Mt. Hamilton Range 228 Comment
  SEINET7040050  Cryptantha hooveri A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  JEPS105399  Cryptantha intermedia Dean W. Taylor 1995-4-13 14815 San Joaquin Hospital Canyon 320 Comment
  JEPS67771  Cryptantha nevadensis R. F. Hoover 1938-4-9 3041 San Joaquin between Castle Rock and Black Butte; Corral Hollow Comment
  UC763027  Cryptantha nevadensis R. F. Hoover 1938-4-9 3041 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  RSA128430  Cryptantha nevadensis var. rigida Robert F. Hoover 1938-4-9 3041 San Joaquin Hill between Castle Rock and Black Butte, Corral Hollow. Comment
  UC638684  Cuscuta californica Ethel Crum 1930-10-12 891 a San Joaquin 5 mi w Stockton; San Joaquin Valley Comment
  LA210096  Cuscuta californica John Thomas Howell; 1930-10-11 5552 San Joaquin 5 mi. S of Stockton Comment
  UC124452  Cuscuta campestris K. Brandegee San Joaquin Bouldin Island Comment
  UCD144408  Cuscuta campestris G. F. Hrusa; M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin Caswell Memorial State Park. At west terminus of Fence Line Trail. 20 Comment
  UCD54417  Cuscuta campestris Mick Canevari 1986-1 s.n. San Joaquin Roberts Island area. Comment
  UCD54462  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Tracy area, Kasson Rd. Comment
  UCD54463  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Frontage Rd. along State Hwy 99. Comment
  UCD54472  Cuscuta campestris Franz R. Kegel 1974-6-19 s.n. San Joaquin Roberts Island. Comment
  RSA135396  Cuscuta ceanothi Volney Rattan 1881-09 s.n. San Joaquin Mokelumne River. Comment
  UCD126307  Cuscuta indecora var. indecora Floyd O. Colbert 1985-8-21 D 3 San Joaquin Tracy. Comment
  UCD126359  Cuscuta occidentalis Ron Kukas 1973-6-14 s.n. San Joaquin on State Highway 99, south of French Camp Road, in 50 acre tomato field. Comment
  UCD54447  Cuscuta occidentalis Ron Kukas 1973-6-14 s.n. San Joaquin 50 acre tomato field south of French Camp Road on State Hwy 99. Comment
  CDA5323  Cyclospermum leptophyllum G. Rubble 1962-7-25 San Joaquin Jahant & Tully Road, Lodi. 0 Comment
  UCD33820  Cynara cardunculus Beecher Crampton 1973-6-28 8968 San Joaquin Stockton, just south of Mariposa road, along frontage road paralleling State Hwy. 99. Comment
  UCR132235  Cynara cardunculus Beecher Crampton 1973-6-28 8968 San Joaquin Central Valley, Stockton, just south of Mariposa Rd., along frontage road paralleling Calif. Hwy 99 9 Comment
  UCD60022  Cynodon dactylon G. F. Hrusa 1992-8-26 9564 San Joaquin Caswell Memorial State Park. Opening along the road at the east end of the oak woodland. Comment
  CDA40500  Cynoglossum grande T. C. Fuller 1971-4-22 19844 San Joaquin North slope of Mt. Bordman. 0 Comment
  UCR123622  Cyperus Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  CAS-BOT-BC114698  Cyperus bipartitus LeRoy Abrams 1917-9-14 6735 San Joaquin 3 mi NW of Stockton in sand of Calaveras River. Comment
  CAS-BOT-BC114450  Cyperus eragrostis LeRoy Abrams 1915-7-27 5320 San Joaquin San Joaquin Valley near Volta Comment
  UC60921  Cyperus eragrostis N. K. Berg 1903-12-15 San Joaquin Rough & Ready Isl. Comment
  UCD141059  Cyperus eragrostis G. F. Hrusa 1992-8-26 9555 San Joaquin Caswell Memorial State Park. Comment
  UCR232684  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18442 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  CAS-BOT-BC114447  Cyperus eragrostis Ernest Elwood Stanford 1927-5-26 432 San Joaquin Stockton. In sand in Calaveras River bottom Comment
  CAS-BOT-BC114451  Cyperus eragrostis LeRoy Abrams 1917-9-14 6743 San Joaquin 4 mi N of Stockton, Stockton-Sacramento Rd. Comment
  SEINET3909432  Cyperus eragrostis D. W. McNeal 1982-7-7 2662 San Joaquin N of Eight Mile Rd. 0.6 mi. W of Interstate #5 N of Stockton.; 0 Comment
  SEINET7581660 Image available Cyperus eragrostis R. Reynolds 1927-9-27 36 San Joaquin Stockton. Comment
  UCD141079  Cyperus eragrostis Herbert L. Mason; Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton. Comment
  JEPS64108  Cyperus erythrorhizos W. L. Jepson 1923-10-22 10295 San Joaquin n. of Grayson (Pike Ranch, San Joaquin R.); San Joaquin R., Pike Ranch Comment
  CDA2595  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  CHSC96357  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. Comment
  UCD54529  Cyperus esculentus Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2710 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  UCR182891  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton to Walnut Grove road [=West Walnut Grove Rd.], 0.1 mi. east of Mokelumne River Bridge, Sherman Island, c. 4 mi. west of Thorton 1 Comment
  CDA2597  Cyperus esculentus T. C. Fuller 1958-7-3 1230 -58 San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  OBI68608  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin San Joaquin Valley. Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton Comment
  RSA365060  Cyperus esculentus Cyril R. Owen 1928-8-20 s.n. San Joaquin Stockton Comment
  UCD141072  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thorton. Comment
  UCD140999  Cyperus fuscus G. F. Hrusa; S. A. Wagner 1992-8-9 9338 San Joaquin Caswell Memorial State Park. On south side of river in the E part of park. Comment
  CDA38963  Cyperus niger var. capitatus M. Switzerberg 1958-9-24 s.n. San Joaquin BM 18.2 Highway 120 0 Comment
  UCD141147  Cyperus rotundus F. R. Whitehead 1931-9-1 s.n. San Joaquin Stockton. Comment
  CAS-BOT-BC114044  Cyperus squarrosus LeRoy Abrams 1917-9-14 6736 San Joaquin 3 mi. NW of Stockton in sand. Comment
  SEINET3412871 Image available Cyperus virens P. O. Schallert 1945-5-20 C 275 San Joaquin Near Stockton. Comment
  JEPS42877  Cypselea humifusa W. L. Jepson 1923-10-22 10283 San Joaquin San Joaquin City, San Joaquin River San Joaquin River; San Joaquin City, San Joaquin River Comment
  SEINET3155119  Cypselea humifusa T. S. Brandegee 1892-5-9 sn San Joaquin San Joaquin Bridge near Lathrop Comment
  UC101982  Cypselea humifusa Katharine Brandegee 1892-9-9 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UC7683  Cypselea humifusa unknown 1887-8-26 San Joaquin near Lathrop (San Joaquin River); San Joaquin River Comment
  CAS-BOT-BC435183  Cypselea humifusa J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  CAS-BOT-BC70548  Cystopteris fragilis Genevieve Prlain 1976-5-2 s.n. San Joaquin north-facing bluff, county park on Mokelumne River below Camanche Dam 27 Comment
  CAS-BOT-BC190495  Dactylis glomerata N. K. Berg 1903-1-1 s.n. San Joaquin Stockton. Rough and Ready Road. Comment
  UC1100153  Damasonium californicum Herbert L. Mason 1928-5-3 4449 San Joaquin 0.4 mi. n. Clements Comment
  CAS-BOT-BC445540  Damasonium californicum Catherine Best 1985-4-22 1070 San Joaquin At the edge of the road from Clements to Ione - directly west of the Camanche Reservoir Dam. 60 Comment
  SEINET7042493  Damasonium californicum A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  UCD61018  Danthonia californica var. americana Katharine Brandegee 1889-7-7 San Joaquin Tracy Comment
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Aug 23 2008
  UC444930  Datura ferox Harriet A. Walker 1907-9-8 891 San Joaquin Lathrop Comment
  CDA5763  Datura stramonium var. tatula T. C. Fuller 1961-9-13 6995 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  JEPS12297  Datura wrightii W. L. Jepson 1918-7-7 7718 San Joaquin Manteca Comment
  SEINET3821169 Image available Datura wrightii P. O. Schallert 1945-5-30 292 San Joaquin Delta land near Stockton. Comment
  UCD126631  Datura wrightii G. F. Hrusa; S. A. Wagner 1992-7-8 9137 San Joaquin Caswell Memorial State Park. Comment
  UCR232680  Datura wrightii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18439 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  UCR253495  Datura wrightii George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20081 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  SEINET6168343  Datura wrightii M. Wilt 1982-9-3 s.n. San Joaquin Just east of Lodi near old water tower 6 Comment
  CAS-BOT-BC299938  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299949  Deinandra kelloggii Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  JEPS38270  Deinandra kelloggii W. L. Jepson 1896-6-27 San Joaquin near Stockton Comment
  CAS-BOT-BC299942  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299944  Deinandra kelloggii David D. Keck 1933-10-28 2586 San Joaquin 11.3 mi. N. of Stockton Comment
  UC618416  Delphinium californicum subsp. interius Alice Eastwood and John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33205  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33206  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  NY353313  Delphinium californicum var. interius A. Eastwood 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  SEINET13094839  Delphinium californicum var. interius Unknown 1938-5-24 5796 San Joaquin Hospital Canon. Comment
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Nov 7 2019
  CAS-BOT-BC8661  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mile east of Midway Comment
  UC765769  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mi e Midway Comment
  UC1713217  Delphinium hesperium subsp. pallescens Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  LA38655  Delphinium variegatum H. Lewis; Carl Epling 1946-5-6 607 San Joaquin Tesla-Corral Hollow Rd, 17.3 mi. W of junction with US Hwy. 50; W. of Tracy Comment
  UC1131440  Deschampsia danthonioides R. D. Roseberry 1935-5-14 175 San Joaquin 2 1/2 mi. w. Bald Mt.; Jackson Quad. 91 Comment
  UC1131458  Deschampsia danthonioides C. M. Belshaw 1936-4-23 1966 San Joaquin 7 mi. s.-s.w. Stone Corral (Plot 20); Jackson Quad. 121 Comment
  UC53585  Deschampsia danthonioides F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC912580  Deschampsia danthonioides Herbert L. Mason 1928-5-3 4444 San Joaquin 4 mi. n. Clememts Comment
  SEINET10524159  Deschampsia danthonioides E. E. Stanford 1930-4-14 Stanford 1317 San Joaquin Near Calaveras Co. line. Open range in wet places. Comment
  UC762963  Descurainia pinnata Robert F. Hoover 1935-3-1 241 San Joaquin 5 mi sw Ripon Comment
  JEPS53405  Descurainia pinnata subsp. menziesii Robert F. Hoover 1935-5-1 241 San Joaquin 5 mi sw Ripon (in the bottom of the Stanislaus River); San Joaquin Valley, Stanislaus River Comment
  UC3237  Dichelostemma capitatum J. A. Sanford 1890-1 409 San Joaquin Waverly Comment
  UC765917  Dichelostemma capitatum R. F. Hoover 1935-3-1 274 San Joaquin Vernalis Comment
  UCD139232  Dichelostemma capitatum G. L. Stebbins Jr.; Alva Day 1966-3-12 6310 San Joaquin Corral Hollow, near lower end. Comment
  HSC12424  Dichelostemma capitatum subsp. capitatum Gary J. Stebbins 1970-3-24 17 San Joaquin Along SR 26, 1.5 mi. E of Duck Creek 53 Comment
  HSC3076  Dichelostemma capitatum subsp. capitatum D. A. Shally 1965-4-10 6 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA333571  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-10 20 San Joaquin N side of State Route 88, 0.5 mile S of Jan Joqauin County line. 270 Comment
  CAS-BOT-BC209017  Digitaria sanguinalis E. E. Stanford 1926-10-22 75 San Joaquin Stockton Comment
  CDA26022  Digitaria sanguinalis G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14231 San Joaquin San Joaquin Valley; Junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, northeast of Lodi. Comment
  RSA128802  Digitaria sanguinalis P. H. Raven 1951-6-27 3101 San Joaquin Tracy to Monteca Comment
  CAS-BOT-BC151962  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151964  Diplacus douglasii Volney Rattan 1887-3-17 274 San Joaquin Live Oaks & Mokelumne River Comment
  CAS-BOT-BC151363  Diplacus tricolor E. E. Stanford 1930-4-12 1277 San Joaquin Mariposa Rd 16 mi. S.E. of Stockton Comment
  CAS-BOT-BC151365  Diplacus tricolor W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC151368  Diplacus tricolor D. K. Gillespie; J. W. Gillespie 1930-4-24 9228 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC151370  Diplacus tricolor Roxana S. Ferris 1953-5-15 12645 San Joaquin On road between Everett School & intersection with Bellota-Farminton Road ca. 1 mi. W of intersection. Comment
  CDA31680  Distichlis spicata D. Giesing 1984-7-25 San Joaquin Railroad right-of-way, north of track, Byron-Tracy Road at Reeve Road, northeast of Tracy 0 Comment
  CDA31693  Distichlis spicata T. C. Fuller 1958-9-19 1250 -58 San Joaquin Stockton 0 Comment
  UCD64194  Distichlis spicata B. A. Madson 1928-11-22 San Joaquin Stockton. Comment
  UCD64485  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  CAS-BOT-BC229023  Dittrichia graveolens George K. Helmkamp; E. A. Helmkamp 2011-10-15 18427 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CHSC97894  Dittrichia graveolens G. F. Hrusa; P. Akers 2003-10-10 16137 San Joaquin Roadside, Kasson Rd., =/- 1/4 mil E of intersection with Durham Ferry Rd. 22 Comment
  SD240853  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 39 Comment
  UCD78107  Dittrichia graveolens Robert E. Preston 2001-9-29 1776 San Joaquin Ca. 3.8 mi sw of Vernalis, at jct I-5 and I-580, along shoulder 158 Comment
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Aug 15 2010
  UCR160990  Dittrichia graveolens G. Fred Hrusa, P. Akers 2003-10-10 16137 San Joaquin Casson Rd., +/- 0.25mi east of intersection with Durham Ferry Rd 23 Comment
  UCR253800  Dittrichia graveolens George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20062 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  SEINET7076108  Dodecatheon clevelandii subsp. patulum A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC1039534  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1927-4-7 5201 San Joaquin 4 mi e Clements; e of Clements Comment
  UCR132387  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  SEINET7072951  Downingia bella A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at the junction with Route 26. UTM Zone 10, 675884mE, 4214998mN. Coordinate datum: NAD27.). Comment
  RSA289456  Downingia bicornuta Rimo Bacigalupi, Alex D. Hawkes 1951-4-21 3258 San Joaquin Along State Hwy 4, 4 miles E of Stockton. Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  UC1143162  Downingia bicornuta var. picta R. D. Roseberry 1935-5-13 167 San Joaquin 2 mi ssw Wallace; Jackson Quad. 121 Comment
  UC499756  Downingia bicornuta var. picta D. K. and J. W. Gillespie 1935-4-24 9234 San Joaquin 4 mi s Galt Comment
  UC765458  Downingia bicornuta var. picta R. F. Hoover 1937-6-10 2400 San Joaquin 2 mi ne Clements Comment
  UC903049  Downingia bicornuta var. picta Ethel Crum 1932-5-1 1419 San Joaquin 4 mi sw Lockeford 7 Comment
  JEPS108477  Downingia bicornuta var. picta Lisa Schultheis 1995-5-24 178 -95 San Joaquin SE of Lockeford. NE corner of Jordy and Kettleman Rds. Comment
  UC1189255  Downingia cuspidata S. Galen Smith 1957-5-24 2938 San Joaquin Farmington to Bellota road (by entrance to J. Bentoni ranch) Comment
  UC635662  Downingia cuspidata H. L. Mason 1928-5-3 4446 San Joaquin 4 mi n Clements Comment
  UC1192048  Downingia insignis F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1981 San Joaquin ca 3 mi e Stockton (Highway 4) 7 Comment
  UC28976  Downingia insignis J. A. Sanford 1890-1 161 San Joaquin Stockton Comment
  UC765621  Downingia insignis R. F. Hoover 1937-5-6 2078 San Joaquin 5 mi se Stockton Comment
  UCD55045  Downingia insignis F. Chisaki; S. G. Smith and Peter M. Ray 1951-4-14 1981 San Joaquin Highway #4; ca. 3 miles east of Stockton. 7 Comment
  CDA42328  Downingia insignis T. C. Fuller 1962-5-1 8299 San Joaquin Highway 12 to Wallace, 5.6 miles east of Clements. 0 Comment
  POM312382  Downingia insignis Francia Chisaki, S. Galen Smith, Peter M. Ray 1951-4-14 1981 San Joaquin Hwy 4, ca 3 miles E of Stockton. 8 Comment
  RSA28006  Downingia ornatissima C. L. Hitchcock 1940-4-29 6304 San Joaquin 3 miles south of Galt. 16 Comment
  UCR51749  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters Comment
  UCSB9182  Downingia ornatissima Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Along State Highway 4, 2 miles east of Stockton Comment
  POM195907  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters. Comment
  POM312381  Downingia ornatissima Francia Chisaki, S. Galen Smith 1951-4-14 1987 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. Comment
  JEPS13012  Downingia ornatissima var. eximia Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5072 San Joaquin 2.2 mi w Calaveras County line (along State Highway 8, foothills of the Sierra Nevada); Sierra Nevada 53 Comment
  JEPS14405  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC765628  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC903026  Downingia ornatissima var. eximia Ethel Crum 1932-5-1 1418 San Joaquin 2 mi ne Lockeford Comment
  JEPS21831  Downingia ornatissima var. ornatissima Ina Graham 1958-4-19 47 San Joaquin 3 mi e Clements (0.5 mi n of Route 12, McIntire Road) Comment
  JEPS5030  Downingia ornatissima var. ornatissima Rimo Bacigalupi and Alex Hawkes 1951-4-21 3257 San Joaquin 2 mi e Stockton (along State Highway 4) Comment
  UC1192046  Downingia ornatissima var. ornatissima F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1982 San Joaquin about 3 mi e Stockton (Highway 4) 7 Comment
  UC765629  Downingia ornatissima var. ornatissima R. F. Hoover 1936-4-30 1054 San Joaquin Farmington Comment
  UC766252  Downingia pulchella R. F. Hoover 1940-4-27 4365 San Joaquin near San Joaquin City (River Road) Comment
  JEPS90705  Downingia pusilla Dean W. Taylor 1990-4-11 10615 San Joaquin Goose Creek Central Valley, Goose Creek 7 1/2' quadrangle 70 Comment
  CDA25365  Dudleya cymosa J. B. Gianelli 1977-5-16 San Joaquin Hospital Creek Canyon, Tracy. 0 Comment
  UCR253492  Dysphania ambrosioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20071 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCD98652  Dysphania ambrosioides P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons ranch. Terminous. Comment
  UCD60477  Dysphania chilensis Mal Evett 2007-10-15 s.n. San Joaquin 8243 Onyx Ct., Stockton. 6 Comment
  UCD98791  Dysphania chilensis Collector Unknown 1928-10-1 1444 San Joaquin Stockton. Comment
  CAS-BOT-BC291094  Eastwoodia elegans H. M. Hall; F. M. Essig 1916-6-1 10141 San Joaquin Corral Hollow, on the easterly slope of the Mt. Diablo range of southwestern San Joaquin County 120 Comment
  UC618578  Eastwoodia elegans Alice Eastwood and John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon Comment
  UCD60777  Echinochloa colona Robert E. Preston 2004-9-3 2291 San Joaquin Ca. 10.5 mi NE of Lodi, at jct Liberty Rd and Dry Creek Rd. 36 Comment
  UCR253540  Echinochloa colona George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20086 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UCD32934  Echinochloa crus-galli Beecher Crampton 1965-7-12 7454 San Joaquin San Joaquin County, 1 mile north of Thornton. Comment
  UCD60850  Echinochloa crus-galli Beecher Crampton 1965-10-26 7551 San Joaquin 1.5 miles north of Lodi, US Hwy. 99. Comment
  UCD60859  Echinochloa crus-galli W. W. Mackie 1919-10-24 X- 3324 San Joaquin Stockton. Comment
  UCD60864  Echinochloa crus-galli Beecher Crampton 1956-7-30 3763 San Joaquin Along State Hwy. 12, about 5 miles southwest of Lodi. Comment
  UCD60899  Echinochloa crus-galli G. F. Hrusa; S. A. Wagner 1992-8-9 9348 San Joaquin Caswell Memorial State Park. Frequent on open, moist riverbanks, usually in disturbed sites. Annual to 4 ft. Comment
  UCD60910  Echinochloa crus-galli Ernest C. Twisselmann 1971-8-6 18064 San Joaquin Belridge Plains: Lost Hills Road, 3 miles north of Lerdo Road. 121 Comment
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Jun 23 2015
  UCD60925  Echinochloa crus-galli Beecher Crampton 1965-7-12 7457 b San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCR123380  Echinochloa crus-galli Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  JEPS47815  Echinochloa crus-pavonis W. L. Jepson 1913-11-22 5691 San Joaquin Middle R., Lower San Joaquin Comment
  UCD60949  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, delta region. Comment
  UCD61100  Echinochloa muricata var. microstachya E. M. Johnston 1915-1 64 -J San Joaquin San Joaquin River. Comment
  CHSC106853  Eclipta prostrata Barbara Ertter; Fosiee Ttahbaz 1990-11-4 9690 San Joaquin Camanche Reservoir NE of Stockton, North Shore public access. Receded lake margin. 60 Comment
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Sep 9 2015
  UC88709  Eclipta prostrata T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC912246  Eclipta prostrata Herbert L. Mason 1928-9-30 4966 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC291132  Eclipta prostrata E. E. Stanford 1927-9-26 722 San Joaquin Stockton. At edge of San Joaquin River Comment
  CAS-BOT-BC291134  Eclipta prostrata J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  POM147777  Eclipta prostrata E. E. Stanford 1927-9-26 722 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  CDA18617  Egeria densa E. Finley 1999-10-3 PDR 1013546 D San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  SEINET5765431 Image available Egeria densa H. L. Mason 1938-1 12075 San Joaquin Trapper Slough, Roberts Island, SW of Holt Comment
  UC1023868  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along e side of Old River Channel near junction with False River; Old River Channel Comment
  UC629704  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin sw of Holt (Trapper Slough); Robert's Island Comment
  CAS-BOT-BC445825  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, southwest of Holt Comment
  CDA37674  Egeria densa R. Breckenridge/D. Kratville 2001-8-8 s.n. San Joaquin In Sacramento-San Joaquin Delta; from Highway 12 south to Antioch Bay. 0 Comment
  POM257232  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert s Island, southwest of Holt. Comment
  RSA366704  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert s Island, southwest of Holt. Comment
  UCD138112  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along east side of Old River Channel near junction with False River. Comment
  UCD139988  Eichhornia crassipes Herbert L. Mason; Verne Grant 1946-8-21 13063 San Joaquin west of Stockton on Borden Highway. Comment
  CDA5096  Elaeagnus angustifolia H. S. Bugbee 1959-6-11 2583 San Joaquin Stockton. 0 Comment
  UC173119  Eleocharis acicularis Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  SEINET7063120  Eleocharis macrostachya A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek on Route 26, about 6 miles east northeast of Linden. UTM Zone 10, 675861mE, 4215224mN. (WGS84/NAD83). 37 Comment
  UC1157923  Eleocharis macrostachya Alex D. Hawkes 1951-4-21 4801 San Joaquin 10 mi E of Stockton Comment
  CAS-BOT-BC112757  Eleocharis macrostachya Ernest Elwood Stanford 1927-4-9 140 San Joaquin Near Stocton, in mud in roadside ditch. Comment
  CDA39000  Eleocharis obtusa var. engelmannii J. F. Silva 1964-6-16 s.n. San Joaquin Escalon district. 0 Comment
  CAS-BOT-BC197329  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 m. s. of Lodi Comment
  CDA2033  Eleusine tristachya T. C. Fuller 1970-8-1 19786 San Joaquin Mickie Grove, 1 mile south of Lodi. 0 Comment
  LA97814  Eleusine tristachya R. S. Baskett; 1970-10-1 sn San Joaquin on S side of Kingdon rd, 0.5 mi E of Thornton rd, SW 0.25, CA. 5 mi SW of Lodi Comment
  RSA269273  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1. m. s. of Lodi Comment
  SEINET3928896  Eleusine tristachya R. S. Baskett 1970-10-1 s.n. San Joaquin On south side of Kingdon Road, 1/2 mile east of Thornton Road, about 5 miles southwest of Lodi.; 0 Comment
  UCD61223  Eleusine tristachya N. E. Hartman 1975-10-27 San Joaquin Lockeford. Comment
  UCD61237  Eleusine tristachya Mick Canevari 1997-5-13 s. n. San Joaquin Near Lodi. Comment
  UCD61258  Eleusine tristachya R. S. Baskett 1970-10-1 San Joaquin On south side of Kingdon Road, 1/2 mile E of Thornton Road, ca. 5 miles SW of Lodi. Comment
  CAS-BOT-BC451539  Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin At junction of Jack Road and Highway #120, 2 mi. east of Manteca Comment
  POM259842  Elodea canadensis I. L. Wiggins 1939-8-31 9323 San Joaquin At junction of Jack Road and Highway #120, 2 miles east of Manteca Comment
  SEINET9629253 Image available Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin At junction of Jack Road and Highway #120, 2 miles east of Manteca. Comment
  UCD61814  Elymus glaucus G. F. Hrusa; S. A. Wagner 1992-4-22 9254 San Joaquin Caswell Memorial State Park. Comment
  CDA2061  Elytrigia repens A. E. Mahoney May 1933 San Joaquin 0 Comment
  RSA478368  Endolepis covillei E. E. Stanford 1930-08 1863 San Joaquin Lincoln Hwy, near French Camp. Comment
  UCR45225  Epilobium brachycarpum A. C. Sanders 1986-9-12 6918 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  POM216528  Epilobium brachycarpum D. D. Keck 1931-10-18 1321 San Joaquin Escalon. 38 Comment
  UC249620  Epilobium campestre Joseph P. Tracy 1921-5-25 5788 San Joaquin Bed of pool San Joaquin Valley, Farmington 30 Comment
  UC596386  Epilobium campestre R. F. Hoover 1936-6-11 1301 San Joaquin Farmington Comment
  UC762968  Epilobium campestre Robert F. Hoover 1935-6-12 646 San Joaquin Dry beds of vernal pools San Joaquin Valley, Farmington Comment
  UCD105627  Epilobium ciliatum G. F. Hrusa 1992-8-26 9563 San Joaquin Caswell Memorial State Park. OxBow Lake. Comment
  UC1602807  Epilobium ciliatum subsp. ciliatum J. W. Congdon 1903-8-4 San Joaquin Middle River Comment
  CDA19056  Epilobium ciliatum subsp. ciliatum C. Benefield 2000-5-16 s.n. San Joaquin Sacramento Delta; White Slough, E of I-5, S of Hwy 12, bordering King Island. 0 Comment
  SD124844  Epilobium paniculatum A. C. Sanders 1986-9-12 6918 San Joaquin Along Highway I-5, 0.7 mile north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus Co. line. 75 Comment
  UC764919  Epilobium torreyi R. F. Hoover 1935-6-12 651 San Joaquin Farmington Comment
  UCD135270  Equisetum arvense G. F. Hrusa; S. A. Wagner 1992-4-22 9288 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC56958  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, in Calaveras River bottom Comment
  POM147792  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, Calaveras River bottom. Comment
  UCD135379  Equisetum hyemale subsp. affine G. F. Hrusa; S. A. Wagner 1992-4-22 9277 San Joaquin Caswell Memorial State Park. 100 Comment
  CDA33659  Equisetum telmateia subsp. braunii Rand Medina 2011-4-5 PDR# 1432095 San Joaquin Stockton; Zuckerman Heritage Inc. Guard Road/Corria St. 0 Comment
  UCR201914  Eragrostis curvula George K. Helmkamp, E. A. Helmkamp 2008-10-9 14230 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  JEPS68588  Eragrostis hypnoides W. L. Jepson 1923-10-22 10288 San Joaquin San Joaquin City; San Joaquin River Comment
  POM147735  Eragrostis hypnoides E. E. Stanford 1927-9-17 706 San Joaquin Stockton Comment
  UCD63215  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  SEINET11695748  Eragrostis hypnoides Unknown 1960-8-9 5765 San Joaquin 3 mi NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Rd with San Juaquin R Comment
  CAS-BOT-BC204639  Eragrostis mexicana subsp. virescens L. R. Abrams 1914-9-14 6740 San Joaquin 3 mi northwest of Stockton - Calaveras River Comment
  CAS-BOT-BC204640  Eragrostis mexicana subsp. virescens E. E. Stanford 1926-10-23 78 San Joaquin Stockton Comment
  POM146103  Eragrostis mexicana subsp. virescens E. E. Stanford 1926-10-23 78 San Joaquin Stockton Comment
  UCD63818  Eragrostis mexicana subsp. virescens Beecher Crampton 1956-7-30 3739 San Joaquin eastern city limits of Lockeford. Comment
  UCD64455  Eragrostis pectinacea J. W. Adriance 1921-10-6 San Joaquin Stockton. Comment
  UCD55325  Eragrostis pectinacea var. miserrima Ellen Dean; Dawn Cunningham 2006-6-26 3167 San Joaquin City of Manteca. South side of Hwy 120, on west side of McKinley Ave. CalTrans right of way. Comment
  UCD65658  Eragrostis pectinacea var. miserrima Beecher Crampton 1955-9-7 3151 San Joaquin 6.4 miles south of Thornton. Comment
  CAS-BOT-BC284074  Eragrostis pectinacea var. pectinacea E. E. Stanford 1926-10-7 33 San Joaquin Stockton, Calaveras River bottom Comment
  UCD65668  Eragrostis pilosa Beecher Crampton 1956-7-30 3737 San Joaquin eastern city limits of Lockeford. Comment
  CAS-BOT-BC203326  Eremalche parryi Alice Eastwood; John Thomas Howell 1935-4-7 2099 San Joaquin East end of Corral Hollow Comment
  POM61829  Eremalche parryi C. F. Baker 1923-4-25 2869 San Joaquin Tracy Comment
  UC596565  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  UC763014  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  CAS-BOT-BC160111  Eremothera boothii subsp. decorticans Alice Eastwood; John Thomas Howell 1938-4-18 5090 San Joaquin Hospital Canyon Comment
  JEPS69091  Eriastrum pluriflorum W. L. Jepson 1896-6-27 15048 San Joaquin on e and w road Lower San Joaquin (river bridge (Mossdale School) to Atlanta) Comment
  JEPS2573 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  JEPS2574 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  JEPS41363  Erigeron philadelphicus var. philadelphicus R. F. Hoover 1935-3-1 243 San Joaquin 5 mi sw Ripon Comment
  UCD131463  Erigeron philadelphicus var. philadelphicus G. F. Hrusa; S. A. Wagner 1992-4-22 9304 San Joaquin Caswell Memorial State Park. Comment
  UCD73466  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  CAS-BOT-BC248546  Eriogonum angulosum Roxana S. Ferris 1938-4-15 9417 San Joaquin Near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  POM248708  Eriogonum angulosum Alice Eastwood, John T. Howell 1938-4-18 5078 San Joaquin Hospital Canyon Comment
  SBBG28206  Eriogonum angulosum A. Eastwood, J. T. Howell 1938-4-18 San Joaquin Hospital Cyn Comment
  UC101522  Eriogonum angulosum Katharine Brandegee 1907-10-2 San Joaquin along railroad track near Stockton Comment
  UC6211  Eriogonum angulosum Benj. Cobb 1900-4-10 20 San Joaquin Tracy Comment
  UC903031  Eriogonum angulosum Ethel Crum 1932-10-16 1485 San Joaquin 9 mi sw Tracy (e end of Corral Hollow); Corral Hollow 152 Comment
  CAS-BOT-BC250038  Eriogonum fasciculatum var. polifolium E. E. Stanford 1930-4-19 1413 San Joaquin Corral Hollow Road Comment
  RSA605651  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1952-9-29 6993 San Joaquin Ladd Mine: San Joaquin 5. Comment
  UC766282  Eriogonum fasciculatum var. polifolium R. F. Hoover 1946-4-13 6075 San Joaquin near lower end (on Black Butte); Corral Hollow, Black Butte Comment
  CAS-BOT-BC250506  Eriogonum gracile John Thomas Howell 1932-10-16 10844 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  UC768560  Eriogonum gracile R. F. Hoover 1934-10-21 49 San Joaquin near Escalon Comment
  CAS-BOT-BC33646  Eriogonum gracillimum Marcus Eugene Jones 1903-5-18 s.n. San Joaquin Victor 792 Comment
  CAS-BOT-BC269737  Eriogonum nudum var. oblongifolium Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  RSA135316  Eriogonum nudum var. oblongifolium Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  UCD77657  Eriogonum nudum var. pauciflorum Robert E. Preston 1997-10-14 1053 San Joaquin Lawrence Livermore National Laboratory, Site 300 457 Comment
  CAS-BOT-BC269833  Eriogonum nudum var. pubiflorum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC253063  Eriogonum roseum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  UCR242631  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-4-7 15824 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UCR253607  Erodium botrys George K. Helmkamp 2014-3-18 22572 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  SEINET3289502 Image available Erodium cicutarium P. O. Schallert 1945-3-8 C 29 San Joaquin Near Stockton, California Comment
  UC17081  Erodium cicutarium J. A. Sanford 1890-1 112 San Joaquin Waverly Comment
  UC17096  Erodium cicutarium F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC17069  Erodium macrophyllum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  CDA1  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Tracy. 0 Comment
  POM196271  Erodium moschatum C. R. Quick 1929-2-3 s.n. San Joaquin Campus, Stockton. Comment
  UC17108  Erodium moschatum J. A. Sanford 1890-1 50 San Joaquin Stockton Comment
  UC17109  Erodium moschatum J. A. Sanford 1890-1 365 San Joaquin Waverly Comment
  UCR232283  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17064 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCD103258  Erodium moschatum G. F. Hrusa; S. A. Wagner 1992-3-4 9086 San Joaquin Caswell Memorial State Park. Within the campgrounds and picnic areas. Comment
  UC1487255  Eryngium castrense Yusuf Sheikh 1972-5-25 533 San Joaquin on Funk Rd. 0.7 mi. w. Waverly Comment
  UC764151  Eryngium castrense R. F. Hoover 1937-6-9 2393 San Joaquin 5 mi. e. Stockton Comment
  UCD77703  Eryngium castrense Robert E. Preston 2004-7-29 2273 San Joaquin Ca. 13.4 mi NE of Lodi. 40 Comment
  RSA290416  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin Ca. 0.3 mile west of Stanislaus County line on Funk Road, San Joaquin Valley Comment
  JEPS15975  Eryngium racemosum Robert F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon Comment
  UC32459  Eryngium racemosum F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC69903  Eryngium racemosum J. A. Sanford San Joaquin near Holden Comment
  UC762974  Eryngium racemosum R. F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon Comment
  SEINET9112149  Eryngium vaseyi Unknown C- 1112 San Joaquin San Joaquin City marker Comment
  CAS-BOT-BC54448  Erysimum capitatum H. L. Mason 1932-3-19 6820 San Joaquin Two miles east of Midway between Mountain House and Tracy. Comment
  UC673521  Erysimum capitatum Herbert L. Mason 1932-3-19 6826 San Joaquin two mi e Midway Comment
  UC762923  Erysimum capitatum R. F. Hoover 1938-4-10 3062 San Joaquin 1 mi e Midway Comment
  RSA0004636  Eschscholzia arvensis C. F. Baker 1903-4-25 2906 San Joaquin Tracy. Comment
  CAS-BOT-BC403521  Eschscholzia californica John Thomas Howell 1938-4-10 13759 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC403523  Eschscholzia californica Brandegee 1889-5-1 O San Joaquin Tracy Comment
  CAS-BOT-BC403525  Eschscholzia californica E. E. Stanford 1928-3-10 799 San Joaquin Manteca Comment
  CAS-BOT-BC403527  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  OBI11813  Eschscholzia californica Carl B. Wolf 1937-3-31 8388 San Joaquin San Joaquin Valley, 1/2 mi N of Vernalis 30 Comment
  UC766001  Eschscholzia californica Robert F. Hoover 1935-3-1 255 San Joaquin Vernalis Comment
  UCR242789  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15829 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC403528  Eschscholzia californica A. A. Heller 1906-4-14 8177 San Joaquin Tracy Comment
  UC144805  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Mr. Litchfield's Farm Lathrop Comment
  RSA22047  Eschscholzia californica var. peninsularis J. T. Howell 1938-4-10 13759 San Joaquin Hospital Canyon Comment
  UC10057  Eschscholzia lobbii A. W. Gunnison 1896-4-18 San Joaquin Linden Comment
  UC766003  Eschscholzia lobbii R. F. Hoover 1935-3-16 352 San Joaquin Farmington Comment
  UC765993  Eschscholzia rhombipetala R. F. Hoover 1937-4-3 1737 San Joaquin Corral Hollow; on hill at lower end Comment
  RSA0010835  Eucalyptus E. E. Stanford 1930-5-31 1540 San Joaquin Near Montica. Comment
  UCR80287  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin San Joaquin Valley, between rails of the W.P.R.R. tracks, Terminous. Comment
  RSA170314  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Between he rails of the W.P.R.R. tracks, Terminus. Comment
Read comments
Jan 4 2011
  UCD77527  Euphorbia maculata Robert E. Preston 2004-7-30 2277 San Joaquin Ca. 13.4 mi NE of Lodi. 29 Comment
  UCD142579  Euphorbia maculata Daryl Koutnik 1988-8-23 s.n. San Joaquin Acampo, north of Lodi at 5401 Jahanat Road, 1 mile east of Hwy 99. 22 Comment
  UCD142607  Euphorbia maculata Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 Comment
  UCD142634  Euphorbia nutans Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 Comment
  JEPS22122  Euphorbia oblongata T. C. Fuller 1958-9-19 1252 San Joaquin 0.25 mi w Stockton (n side of Hwy 4, 0.5 mi w Woodsbro Rd) Comment
  CAS-BOT-BC202412  Euphorbia ocellata Barrett Anderson 1987-7-6 3553 San Joaquin Farmington Canal site south of Road 30 Comment
  SEINET11261866  Euphorbia serpillifolia George Helmkamp, E. A. Helmkamp 2011-11-21 18476 San Joaquin Northeastern San Joaquin Valley: along Johnson Road, .8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir (Clements 7.5' Q.); 0 53 Comment
  UCR235276  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2011-11-21 18476 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  CDA35307  Euphorbia spathulata T. C. Fuller 1962-4-24 8234 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CAS-BOT-BC312284  Euthamia occidentalis Brian Atwater 1978-8-24 BA- 124 San Joaquin Fourteenmile Slough, isolated as an islet by dredger outs and vicinity between Rindge Tract and Wright Tract Comment
  CDA39034  Euthamia occidentalis D. G. Kelch 2011-10-4 11 .837 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UC31897  Euthamia occidentalis Ivar Tidestrom 1893-11-13 San Joaquin near Tracy; San Joaquin R. Comment
  UC31899  Euthamia occidentalis F. T. Bioletti 1891-8-30 San Joaquin Comment
  UC88076  Euthamia occidentalis T. S. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  CAS-BOT-BC312282  Euthamia occidentalis E. E. Stanford 1926-10-5 28 San Joaquin Calaveras River bottom, Stockton Comment
  JEPS32339  Euthamia occidentalis Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  POM147786  Euthamia occidentalis E. E. Stanford 1927-9-26 716 San Joaquin Stockton, near Louis Park Comment
  UCD132343  Euthamia occidentalis G. F. Hrusa 1992-8-26 9518 San Joaquin Caswell Memorial State Park, just inside entrance gate. Comment
  UCD132344  Euthamia occidentalis G. F. Hrusa; S. A. Wagner 1992-8-9 9332 San Joaquin on immediate river margin, Caswell Memorial State Park. Comment
  CDA12447  Festuca arundinacea G. F. Hrusa, S. A. Wagner 1992-4-2 9267 San Joaquin Caswell Memorial State Park. Comment
  CDA2177  Festuca arundinacea J. B. Gianelli 1959-5-2 San Joaquin Hwy 12, east of Terminous. 0 Comment
  UCR233210  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2010-4-7 15833 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  UCR253637  Festuca myuros var. hirsuta George K. Helmkamp 2014-3-18 22570 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UCD39028  Fimbristylis vahlii Beecher Crampton 1960-8-9 5769 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  RSA604700  Forestiera pubescens Louis C. Wheeler 1952-9-29 6991 San Joaquin Corral Hollow Creek, near Ladd Mine. Comment
  CAS-BOT-BC384220  Forestiera pubescens subsp. parvifolia John Thomas Howell 1938-4-10 13762 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC52514  Frangula californica subsp. californica Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53584  Frangula californica subsp. tomentella Volney Rattan s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53585  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53586  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53587  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211627  Frankenia salina E. E. Stanford 1926-10-12 54 San Joaquin Near Smith's Canal, Stockton Comment
  CAS-BOT-BC211628  Frankenia salina E. E. Stanford 1930-5-28 1530 San Joaquin Near French Camp, near San Joaquin River Comment
  CAS-BOT-BC211630  Frankenia salina John Thomas Howell 1929-9-21 4398 San Joaquin Island Road between Brentwood and Stockton Comment
  UC672598  Frankenia salina H. L. Mason 1928-9-30 4967 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC223542  Fraxinus latifolia Carl B. Wolf 1940-11-6 9780 San Joaquin San Joaquin Valley, 1 mi. No. of Lodi on Mokelumne River 15 Comment
  CAS-BOT-BC223544  Fraxinus latifolia Ira L. Wiggins 1934-10-25 6983 San Joaquin 1 mi. W. of San Joaquin R. Comment
  CAS-BOT-BC223546  Fraxinus latifolia E. E. Stanford 1927-5-21 452 San Joaquin Stockton. Near levee, Louis Park Comment
  POM195984  Fraxinus latifolia E. E. Stanford 1928-3-20 833 San Joaquin Near Peters 30 Comment
  UCD122058  Fraxinus latifolia G. F. Hrusa; S. A. Wagner 1992-7-9 9179 San Joaquin Along bank of Stanislaus River. Caswell Memorial State Park. Comment
  UCR63950  Fraxinus latifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  SEINET13943096 Image available Fraxinus oregona Carl B. Wolf 1940-1 9780 San Joaquin San Joaquin Valley, 1 mi N of Lodi on Mokelumne River; ca. 50 ft alt. 15 Comment
  CDA5864  Gaillardia pinnatifida J. B. Gianelli 1973-10-31 San Joaquin U.S.D.A. Soil Conservation Service Plant Material Center, Lockeford. 0 Comment
  SD241175  Galium aparine George K. Helmkamp, E. A. Helmkamp 2012-4-7 18730 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  CDA6668  Galium mollugo J. Solari 1965-6-7 San Joaquin M. Allen property, Route 5, Roberts Island. 0 Comment
  UCD121878  Galium parisiense G. F. Hrusa; S. A. Wagner 1992-8-9 9351 San Joaquin Caswell Memorial State Park. Comment
  UC569816  Gastridium ventricosum R. D. Roseberry 1935-5-13 169 San Joaquin 2 1/2 mi ssw Wallace; Jackson Quad. 121 Comment
  SEINET4691720  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2011-1 17074 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99. 27 Comment
  SEINET3828574  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-1 18720 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5') 52 Comment
  JEPS14579  Gilia capitata subsp. staminea Peter H. Raven with G. Thomas Robbins 1956-4-29 9130 San Joaquin on U.S. Highway 50, 8.8 mi s Stockton; s of Stockton Comment
  RSA83093  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1948-5-19 8510 San Joaquin 2.5 miles east of Manteca on highway 120 Comment
  UC615417  Gilia capitata subsp. staminea Beryl O. Schreiber 1932-3-27 148 San Joaquin Midway Comment
  UC84865  Gilia capitata subsp. staminea Katharine Brandegee 1907-5-7 San Joaquin Lathrop near Stockton, Lathrop Comment
  UC907895  Gilia capitata subsp. staminea Joseph Dixon 1928-3-31 136 San Joaquin Manteca Comment
  UC963957  Gilia capitata subsp. staminea R. F. Hoover 1938-4-9 3027 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line); n of Corral Hollow Comment
  JEPS86029  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end Corral Hollow Comment
  UC962107  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end of Corral Hollow Comment
  SJSU11621  Gilia tricolor R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC52876  Gilia tricolor subsp. diffusa Benj. Cobb San Joaquin Tracy Comment
  UC1018187  Gilia tricolor subsp. diffusa J. Warren 1952-4-12 San Joaquin Taft , Taft (San Joaquin Valley) Comment
  SEINET11261868  Gilia tricolor subsp. tricolor George Helmkamp, E. A. Helmkamp 2010-4-7 15835 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (331/4) of Clements (Goose Creek 7.5' Q); 0 79 Comment
  UCD77743  Glinus lotoides Robert E. Preston 2004-7-29 2275 San Joaquin Ca. 13.4 mi NE of Lodi 29 Comment
  CDA3382  Glinus lotoides J. F. Silva 1964-10-27 San Joaquin Escalon district. 0 Comment
  CDA2165  Glyceria declinata J. B. Gianelli 1994-9-16 San Joaquin Flood Road, Linden. 0 Comment
  JEPS95269  Glyceria declinata Margaret W. Flesher 1993-3-12 San Joaquin Foothills NE Of Modesto San Joaqin and Stanislaus counties Comment
  UCD55218  Glyceria declinata John Gerlach 2006-5-24 s.n. San Joaquin Lane Ranch. Comment
  CDA4144  Glycyrrhiza glabra J. B. Gianelli 1970-9-16 San Joaquin Cluff Road & East Pine Extension, Lodi. 0 Comment
  POM358722  Gnaphalium E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  RSA0034623  Gnaphalium E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  UCR63915  Gnaphalium luteoalbum L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC303342  Gnaphalium palustre 1880-6-1 s.n. San Joaquin [Gill Creek?], Live Oaks Comment
  UC32046  Gnaphalium palustre J. A. Sanford 1890-1-1 San Joaquin Waverly San Joaquin Valley, Waverly Comment
  UC485704  Gnaphalium palustre Katharine Brandegee San Joaquin San Joaquin Bridge Comment
  UC900733  Gnaphalium palustre Roxana S. Ferris 1953-5-15 12647 San Joaquin 1 mi w of intersection between Bellota-Farmington road and Everett School Comment
  UC20285 Image available Godetia sparsiflora Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UC672545  Gratiola ebracteata H. L. Mason 1928-5-3 4453 San Joaquin four mi n Clement Comment
  RSA424794  Gratiola ebracteata E. E. Stanford 1930-4-17 1334 San Joaquin Clements Road. Comment
  OBI16378  Grindelia camporum Robert F. Hoover 1965-9-24 9647 San Joaquin River Rd near San Joaquin River just N of Stanislaus County line Comment
  POM216789  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  POM266236  Grindelia camporum I. L. Wiggins 1940-8-12 9532 -b San Joaquin 1 mile NW of San Joaquin River bridge on U.S. Hwy 50. Comment
  SD124906  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin Along Highway I-5, 0.7 miles north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus County line. 74 Comment
  UCD132479  Grindelia camporum G. F. Hrusa; S. A. Wagner 1992-7-8 9166 San Joaquin Caswell Memorial State Park. Eastern part of the park. Comment
  UCR194726  Grindelia camporum var. camporum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13079 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC304973  Grindelia hirsutula David D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, east of Tracy Comment
  CAS-BOT-BC304975  Grindelia hirsutula John Thomas Howell 1932-10-16 10849 San Joaquin Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC304977  Grindelia hirsutula John Thomas Howell 1930-10-11 5550 San Joaquin 1 mile west of San Joaquin River bridge near Lathrop Comment
  CAS-BOT-BC304978  Grindelia hirsutula John Thomas Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile west of Holt Comment
  CAS-BOT-BC304982  Grindelia hirsutula David D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, east of Tracy Comment
  CAS-BOT-BC304984  Grindelia hirsutula L. R. Abrams 1920-9-30 7782 San Joaquin Near Banta Comment
  CAS-BOT-BC304986  Grindelia hirsutula Ira L. Wiggins 1934-7-28 6944 San Joaquin 3.2 miles east of Escalon Comment
  UC1491981  Grindelia hirsutula J. L. Strother 1977-7-19 1278 ter San Joaquin ca. 2 mi n Escalon Comment
  UC1714871  Grindelia hirsutula Max P. Dunford 1959-10-31 572 San Joaquin 5.5 mi NE of Tracy (2.5 mi SW of hiway 50 bridge across San Joaquin R.) Comment
  UC32112  Grindelia hirsutula J. Burtt Davy 1893-11-13 1177 San Joaquin Stockton Comment
  UC32116  Grindelia hirsutula F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32174  Grindelia hirsutula J. Burtt Davy 1893-11-13 1198 San Joaquin Stockton Comment
  UC419707  Grindelia hirsutula Mrs. H. P. Bracelin 1930-10-11 88 San Joaquin nearing Stockton one mi w San Joaquin Bridge Comment
  UC60923  Grindelia hirsutula N. K. Berg 1903-12-10 San Joaquin Rough and Ready Isl. Comment
  UC618388  Guillenia flavescens Alice Eastwood and John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon Comment
  UC764858  Guillenia flavescens R. F. Hoover 1938-3-19 2863 San Joaquin near Alameda County line; Corral Hollow Comment
  UC764955  Guillenia flavescens R. F. Hoover 1938-4-9 3050 San Joaquin lower end Corral Hollow Comment
  JEPS104702  Guillenia lasiophylla J. L. and F. L. Morrison 1938-3-6 2774 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  POM143657  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  UC137299  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  SJSU1706  Gutierrezia californica C. W. Sharsmith 1955-9-11 6295 San Joaquin Corral Hollow Comment
  UC36819  Gutierrezia californica unknown 1861-10-18 San Joaquin Camp 61 Corral Hollow Comment
  UC188807  Hainardia cylindrica Mr. Sanford San Joaquin Stockton Comment
  CAS-BOT-BC306282  Hedypnois cretica E. E. Stanford 1930-4-26 1419 San Joaquin Copperopolis Rd. west of Peters Comment
  CAS-BOT-BC306531  Helenium bigelovii Brian Atwater 1978-8-31 BA- 131 San Joaquin Between Quinby Island and Franks Tract Comment
  CHSC55861  Helenium puberulum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2724 San Joaquin Island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  CDA25242  Helianthus annuus G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  SJSU1707  Helianthus annuus C. W. Sharsmith 1955-9-11 6296 San Joaquin Corral Hollow Comment
  UC32294  Helianthus annuus J. A. Sanford 1890-1-1 234 San Joaquin Roberts Island Comment
  UCD132799  Helianthus annuus Harriet A. Walker 1907-9-8 914 San Joaquin San Joaquin County. Comment
  UCR194982  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR232676  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2011-10-15 18431 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC305458  Helianthus annuus E. E. Stanford 1926-8-26 2 San Joaquin Stockton Comment
  CDA6558  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  CDA6562  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  JEPS79578  Heliotropium curassavicum Edward Lee with A. Carter and F. Little 1934-7-4 962 San Joaquin Holt Comment
  RSA74890  Heliotropium curassavicum var. oculatum Elroy Robinson 1935-9-14 s.n. San Joaquin Lathrop. Comment
  CAS-BOT-BC305853  Helminthotheca echioides E. E. Stanford 1926-10-12 56 San Joaquin Near Stockton Comment
  CAS-BOT-BC309742  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-10-28 2574 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC596092  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  POM215190  Hemizonia fitchii D. D. Keck 1933-10-28 2570 San Joaquin Farmington Road, 0.7 mile from intersection with Hwy 99, ca. 3 miles E of Stockton. Comment
  UCD71243  Hemizonia fitchii Paul Verdegarl; Bob Mullen 1999-5-21 s.n. San Joaquin Lodi, Atkins Rd. in winegrape vineyard that was previously pasture 12 Comment
Read comments
Dec 5 2009
  CDA7820  Hemizonia kelloggii J. B. Gianelli 1962-8-8 San Joaquin Western Pacific Railroad, 1/4 mile north of Telegraph Road, Lodi District. 0 Comment
  RSA182045  Hemizonia kelloggii W. L. Jepson 1896-7-17 s.n. San Joaquin Near Stockton; Lower San Joaquin Comment
  RSA6489  Hemizonia kelloggii William M. Heusi 1932-5-30 214 San Joaquin Escalon. Comment
  RSA215222  Hemizonia parryi subsp. rudis D. D. Keck 1933-10-28 2572 San Joaquin Farmington Road, 0.7 mile from intersection with Hwy 99, ca. 3 miles E of Stockton. Comment
  CAS-BOT-BC123547  Hemizonia pungens subsp. interior David Daniels Keck 1932-6-26 1503 San Joaquin Nilegarden Station, 3 miles W of Manteca Comment
  UCD96876  Herniaria hirsuta Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6929 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  UC85562  Herniaria hirsuta subsp. cinerea Katharine Brandegee 1907-5-7 San Joaquin on the first cross road to the w near Tracy Comment
  POM257004  Hesperevax caulescens H. L. Mason 1939-4-16 s.n. San Joaquin 9 miles SE if Stockton at jct of Austin Road and Little John Creek Comment
  UC990721  Hesperevax caulescens Roxana S. Ferris 1953-5-15 12651 San Joaquin ca. 2 mi w of intersection between Everett School and intersection with Bellota-Farmington road Comment
  SEINET10939142  Heterocodon rariflorum Mason Mason 5551 San Joaquin KNIGHT'S FERRY Comment
  JEPS104704  Heterodraba unilateralis J. L. and F. L. Morrison 1938-3-6 2768 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  UC856338  Heterodraba unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow 121 Comment
  SEINET3292415 Image available Heterotheca grandiflora P. O. Schallert 1945-4-22 San Joaquin Delta Area, near Stockton, California Comment
  CAS-BOT-BC310940  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island 3 Comment
  RSA0075871  Heterotheca grandiflora Steven A. Junak 1991-7-31 sc 2777 San Joaquin Santa Cruz Island, Coches Prietos Beach 5 Comment
  UC480929  Heterotheca grandiflora Harriet A. Walker 906 San Joaquin near S.P.R.R.; Lathrop Comment
  JEPS9103  Hibiscus lasiocarpos Roy M. Filcher 1914-9-12 San Joaquin Moorland, lower San Joaquin Comment
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Dec 3 2008
  JEPS9104  Hibiscus lasiocarpos Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  CAS-BOT-BC203375  Hibiscus lasiocarpos var. occidentalis J. W. Congdon 1912-9-3 s.n. San Joaquin Middle River W of Stockton Comment
  CAS-BOT-BC123646  Hibiscus moscheutos subsp. lasiocarpos Annie Montague Alexander; L. Kellogg 1943-9-1 3526 San Joaquin Middle River Bridge, on a small, narrow island near bridge Comment
  UC632813  Hippuris vulgaris H. L. Mason 1938-8-26 12077 San Joaquin s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough Comment
  CDA25243  Hirschfeldia incana G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCD115124  Hirschfeldia incana G. F. Hrusa; S. A. Wagner 1992-4-22 9275 San Joaquin Caswell Memorial State Park. Comment
  CDA11008  Hoita macrostachya G. F. Hrusa, S. A. Wagner 1992-7-8 9178 San Joaquin Caswell Memorial State Park. Appr. 200 m. to W of westernmost parking area. Comment
  UCD84862  Holcus lanatus Beecher Crampton 1965-7-12 7456 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD84900  Holcus lanatus G. F. Hrusa 1992-8-26 9528 San Joaquin Caswell Memorial State Park. Low opening along the nature trail between the campgrounds and picnic areas. Comment
  CAS-BOT-BC324602  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin Corral Hollow (east end), 10.5 miles southwest of Tracy Comment
  CAS-BOT-BC324609  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin Corral Hollow (east end) 10.5 miles S.W. of Tracy Comment
  CDA39101  Holocarpha obconica D. G. Kelch 2011-10-4 11 .831 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  CDA7982  Holocarpha obconica Harkness, Peterson, Croce 1975-6-19 San Joaquin Railroad right of way, ca. 5 miles southwest of Tracy. 0 Comment
  OBI16049  Holocarpha obconica Robert F. Hoover 1965-9-24 9646 San Joaquin River Rd just N of Stanislaus Co line, near San Joaquin river Comment
  UC134956  Holocarpha obconica Katharine Brandegee 1907-10-2 San Joaquin near Stockton ((railroad track)) Comment
  UC1357614  Holocarpha obconica R. F. Hoover 1965-9-24 9646 San Joaquin River Road just n Stanislaus County line (near San Joaquin River) Comment
  UC913048  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin 10.5 mi sw Tracy (e end of hollow); Corral Hollow Comment
  UCR201894  Holocarpha obconica George K. Helmkamp, E. A. Helmkamp 2008-10-9 14236 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR45226  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  CAS-BOT-BC320345  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320377  Holocarpha virgata Gladys L. Smith 1959-5-1 1045 San Joaquin Near Wallace Comment
  SBBG19275  Holocarpha virgata M. A. Piehl 1959-8-2 59497 San Joaquin St Hwy 88 ca. 1.4 mi from Amador Co line Comment
  SEINET3928146  Holocarpha virgata David Keil 1988-8-23 20991 San Joaquin Liberty Road, 4.2 miels east of Highway 99.; 0 Comment
  POM360685  Holocarpha virgata subsp. virgata D. D. Keck 1931-10-18 1319 San Joaquin Escalon. 38 Comment
  CAS-BOT-BC311743  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi. east of Farmington, on road to Milton 35 Comment
  POM298329  Holozonia filipes D. D. Keck 1932-6-26 1505 San Joaquin 1.6 miles E of Farmington, on road to Milton. 35 Comment
  CAS-BOT-BC285039  Hordeum depressum E. E. Stanford 1930-4-5 1260 San Joaquin Durham Ferry Road Comment
  CAS-BOT-BC285040  Hordeum depressum E. E. Stanford 1927-4-21 173 San Joaquin Near Stockton Comment
  CAS-BOT-BC285041  Hordeum depressum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Campus Comment
  CAS-BOT-BC285043  Hordeum depressum John Thomas Howell 1953-4-26 28931 San Joaquin Corral Hollow Comment
  POM352453  Hordeum depressum C. R. Quick s.n. San Joaquin Tuxedo Park Comment
  UCD85622  Hordeum depressum G. F. Hrusa; S. A. Wagner 1992-4-22 9318 San Joaquin South side of Stanislaus River in vicinity of Caswell Park. Comment
  CAS-BOT-BC285128  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Comment
  POM352454  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-3 115 San Joaquin Stockton. Comment
  UCR242628  Hordeum murinum George K. Helmkamp, E. A. Helmkamp 2010-4-7 15819 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  SEINET9343031  Hordeum murinum Unknown 1992-3-4 9067 San Joaquin Caswell Memorial State Park Comment
  HSC10198  Hordeum murinum subsp. leporinum C. S. Chavez 1965-4-10 28 San Joaquin Hwy. 50 downtown Tracy Comment
  UCR253603  Hordeum murinum subsp. leporinum George K. Helmkamp 2014-3-18 22579 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UCR207835  Hordeum murinum subsp. murinum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14457 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  CAS-BOT-BC55489  Hornungia procumbens Volney Rattan 1882-1-1 s.n. San Joaquin Lathrop. Comment
  UC566854  Hydrocotyle ranunculoides H. L. Mason 1928-9-30 4958 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UC765490  Hydrocotyle verticillata Robert F. Hoover 1935-9-7 718 San Joaquin Union Isl. Comment
  CAS-BOT-BC400804  Hypericum anagalloides Volney Rattan 1885-6-5 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  UCR63920  Hypericum perforatum L. F. LaPre 1990-6-5 s.n. San Joaquin Forster Ranch at the gate on Hwy 188. 76 Comment
  RSA519060  Hypericum perforatum L. F. LaPre 1990-6-5 s.n. San Joaquin Forster Ranch, at the gate of Hwy 188. 76 Comment
  CDA19471  Hypochaeris glabra M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 202 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  CAS-BOT-BC319042  Hypochaeris glabra E. E. Stanford 1930-4-18 1362 San Joaquin Thornton Road Comment
  UCD133343  Hypochaeris glabra G. F. Hrusa; S. A. Wagner 1992-4-22 9281 San Joaquin Caswell Memorial State Park. Comment
  CDA5553  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin West of Highway 99 freeway, 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. 0 Comment
  UCD126567  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin west of Hwy 99 freeway 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. Comment
  CAS-BOT-BC101967  Juglans hindsii E. E. Stanford 1930-4-26 1417 San Joaquin Milton Rd. west of Peters Comment
  UCD110271  Juglans hindsii G. F. Hrusa 1992-8-25 9537 San Joaquin Caswell Memorial State Park. Comment
  CHSC84714  Juncus acuminatus Beth Hendrickson 2002-7-10 San Joaquin San Joaquin Valley. On channel island in Old River, along the west side of Bacon Island, toward the north of the island. At base of levee. 1 Comment
  UCD141296  Juncus acuminatus G. F. Hrusa; S. A. Wagner 1992-7-8 9174 San Joaquin Caswell Memorial State Park. Immediately downstream from picnic area. Comment
  CDA39157  Juncus balticus J. B. Gianelli s.n. San Joaquin West side of Garden Road, 0.5 mile north of Hwy 12. 0 Comment
  POM146140  Juncus bufonius E. E. Stanford 1927-4-19 164 San Joaquin Stockton. Comment
  UC1601702  Juncus bufonius J. A. Sanford 1890-1 339 San Joaquin Stockton Comment
  SEINET7042491  Juncus bufonius A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  UCD141515  Juncus effusus subsp. pacificus G. F. Hrusa; S. A. Wagner 1992-4-22 9301 San Joaquin Caswell Memorial State Park. Comment
  POM146166  Juncus xiphioides E. E. Stanford 1927-5-26 433 San Joaquin Stockton. Comment
  JEPS97647  Juniperus californica Annetta M. Carter 1947-3-23 1781 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  UC1751043  Juniperus californica Annetta M. Carter 1947-3-23 1781 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  SEINET10531623  Juniperus californica E. E. Stanford 1930-4-5 Stanford 1217 San Joaquin Hospital Canyon. Hillsides. Herbarium of the College of the Pacific. Comment
  CDA6296  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  JEPS24326  Kickxia spuria G. Thomas Robbins with Robert Ornduff and Howard Whisler 1959-10-25 4172 San Joaquin 3.5 mi e Farmington (banks and in stream bed of Duck Creek, along State Highway 4, 0.5 mi w of Stanislaus County line, in first low rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  CAS-BOT-BC272318  Lachnagrostis filiformis E. E. Stanford 1927-5-28 456 San Joaquin Louis Park, Stockton Comment
  POM147745  Lactuca serriola E. E. Stanford 1927-7-21 669 San Joaquin Stockton. Comment
  UCD133599  Laennecia coulteri G. F. Hrusa 1992-8-26 9544 San Joaquin Caswell Memorial State Park, on dirt road to immediate north or northern edge of Hidden Lake. Comment
  UC33063  Lagophylla glandulosa Jos. Burtt Davy 1893-11-13 1175 San Joaquin Stockton Comment
  UC33064  Lagophylla glandulosa Jos. Burtt Davy 1893-11-13 1175 San Joaquin Stockton Comment
  CDA8090  Lagophylla ramosissima T. C. Fuller 1962-4-24 8233 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC2043151  Lagophylla ramosissima Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12444 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Comment
  RSA409531  Lamium amplexicaule Cyril R. Owen 1927-10-14 s.n. San Joaquin Campus, College of the Pacific. Comment
  UCR232280  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2011-3-12 17060 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCR238404  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2012-4-7 18718 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  POM147726  Lamium amplexicaule E. E. Stanford 1928-3-2 783 San Joaquin San Joaquin County: Stockton Comment
  UCD125093  Lamium amplexicaule Marvin Nies 1951-4-1 s.n. San Joaquin 5 miles east of Lodi. Comment
  RSA611568  Lappula squarrosa R. S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi. Comment
  SEINET3245759  Lasthenia californica G. K. Helmkamp, E. A. Helmkamp 2009-1 14468 San Joaquin San Joaquin Valley: along CA-88/ 12 in Lockeford, 0.3 mile northeast of Elliott Road (Lockeford 7.5') 24 Comment
  SEINET7076134  Lasthenia californica A. G. Vestal 1955-4-1 s.n. San Joaquin About 3.5 miles east of Farmington on Route 4. (NAD 27; 37.9376? deg. North Latitude, 120.9439? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UCR208315  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2009-3-26 14468 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  UCR242806  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15822 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC337942  Lasthenia californica Frank W. Gould 1940-3-16 885 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  UCD132440  Lasthenia californica subsp. californica Beecher Crampton 1975-4-16 9148 San Joaquin 3 miles NE Clements. Jct. Liberty Road and Hwy.88 Comment
  CAS-BOT-BC324466  Lasthenia conjugens Edw. L. Greene 1887-4-17 s.n. San Joaquin Antioch Comment
  JEPS17259  Lasthenia ferrisiae R. F. Hoover 1937-5-6 2083 San Joaquin 5 mi se Stockton Comment
  CAS-BOT-BC352732  Lasthenia fremontii D. E. Breedlove 1963-5-2 4717 San Joaquin Along California Highway #8, 7 miles E of Linden. Comment
  CAS-BOT-BC352739  Lasthenia fremontii Rimo Bacigalupi; G. T. Robbins; Keith Harrison 1955-5-13 5073 San Joaquin Along California Highway No. 8, at first rolling foothills, 2.2 miles W of Calaveras County line. 53 Comment
  JEPS10068  Lasthenia fremontii W. L. Jepson 1938-4-14 18681 San Joaquin ne Goose Creek Comment
  JEPS9833  Lasthenia fremontii Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5073 San Joaquin 2.2 mi w of Calaveras County Line; Calif. Hiway. No. 8 53 Comment
  UC30419  Lasthenia fremontii J. A. Sanford 1890-1-1 11 San Joaquin French Camp Comment
  UC614823  Lasthenia fremontii Beryl O. Schreiber 1932-3-27 140 San Joaquin near Midway Comment
  CAS-BOT-BC352734  Lasthenia fremontii E. E. Stanford 1930-4-17 1345 San Joaquin Ione Road. Comment
  CAS-BOT-BC352736  Lasthenia fremontii E. E. Stanford 1929-4-7 1040 San Joaquin Near Peters. Comment
  POM196006  Lasthenia fremontii E. E. Stanford 1929-4-7 1041 San Joaquin Near Peters. Comment
  POM196311  Lasthenia fremontii E. E. Stanford 1928-4-7 848 San Joaquin Near Collegeville Comment
  JEPS12797  Lasthenia glaberrima Rimo Bacigalupi with G. T. Robbins 1955-5-5 4997 San Joaquin Peters station on Southern Pacific Railroad 30 Comment
  POM196039  Lasthenia glaberrima E. E. Stanford 1929-3-30 1023 San Joaquin Near Stockton Comment
  CAS-BOT-BC352812  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton Comment
  RSA21257  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-3-31 8371 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC352814  Lasthenia glabrata subsp. glabrata E. E. Stanford 1928-3-10 796 San Joaquin Stockton Comment
  CAS-BOT-BC352816  Lasthenia glabrata subsp. glabrata Carl B. Wolf 1937-5-11 8604 San Joaquin San Joaquin Valley, 3 miles N of Stockton 7 Comment
  RSA396106  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 Comment
  SJSU11857  Lasthenia gracilis R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  JEPS73878  Lasthenia microglossa L. R. Heckard 1974-4-25 3674 A San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank>); Corral Hollow, grounds of Atomic Energy Commission/U.C. test 304 Comment
  CAS-BOT-BC368701  Lasthenia microglossa David D. Keck; J. Clausen 1935-4-10 3134 San Joaquin 14 miles northwest of McKittrick. 914 Comment
  UC2028970  Lasthenia microglossa Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12443 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca 10 air miles SW of Tracy. Comment
  CAS-BOT-BC368712  Lasthenia minor Roxana S. Ferris 1937-3-4 9311 San Joaquin 6 miles from Copperopolis on the Farmington Road Comment
  CAS-BOT-BC368714  Lasthenia minor E. E. Stanford 1928-4-19 890 San Joaquin Stockton Comment
  CAS-BOT-BC368716  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  JEPS9672  Lasthenia minor W. L. Jepson 1937-4-23 18012 San Joaquin ca 5 mi se on Farmington road Stockton Comment
  JEPS9906  Lasthenia minor A. D. Tenney 1915-4-14 San Joaquin Comment
  SJSU11828  Lasthenia minor R. L. Fisher 1958-3-10 San Joaquin Corral Hollow Comment
  UC1005618  Lasthenia minor Frank W. Gould 1939-3-18 576 San Joaquin base of Castle Rock Mt. Hamilton Range, Corral Hollow, Castle Rock 198 Comment
  POM196011  Lasthenia minor E. E. Stanford 1928-4-19 890 San Joaquin Stockton Comment
  CDA27129  Lathyrus jepsonii subsp. californicus L. Hawkins 1972-6-26 San Joaquin 2.5 miles south of Highway 12 at Potato Slough, Lodi. 0 Comment
  RSA7426  Lathyrus jepsonii subsp. californicus J. T. Howell 1933-7-20 11446 San Joaquin Lathrop Bridge, on San Joaquin River. Comment
  RSA90263  Lathyrus jepsonii subsp. californicus J. T. Howell 1933-7-20 11446 San Joaquin Lathrop bridge on San Joanquin River Comment
  UC61035  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-11 San Joaquin Routh & Ready Comment
  RSA43223  Lathyrus vestitus subsp. bolanderi Robert F. Hoover 1947-2-11 6616 San Joaquin Poly Canyon (Brizziolari Creek of maps) Comment
  CDA5003  Lavatera cretica T. C. Fuller 1962-6-4 8832 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  JEPS13418  Layia fremontii R. F. Hoover 1936-4-30 1060 San Joaquin Lockeford Comment
  JEPS39102  Layia fremontii W. L. Jepson 1929-4-28 15205 San Joaquin Clements 60 Comment
  UC30614  Layia fremontii J. A. Sanford 1890-1-1 San Joaquin Waverly Comment
  HSC5902  Layia fremontii D. A. Shally 1965-4-10 4 San Joaquin 3 mi. E of Balota, Hwy. 26, Linden Rd. Comment
  POM195965  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  CAS-BOT-BC380868  Layia platyglossa Frank W. Gould 1939-3-18 574 San Joaquin Near Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  CAS-BOT-BC380870  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380871  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380873  Layia platyglossa Carl B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  JEPS15775  Layia platyglossa W. L. Jepson 1922-4-2 9568 San Joaquin Corral Hollow; Hamilton Range Comment
  SJSU11686  Layia platyglossa R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC30681  Layia platyglossa Benj. Cobb 1900-4-10 11 San Joaquin Tracy Comment
  UC615034  Layia platyglossa Beryl O. Schreiber 1932-3-27 139 San Joaquin near Midway Comment
  UCR242782  Layia platyglossa George K. Helmkamp, E. A. Helmkamp 2010-4-7 15823 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC274342  Leersia oryzoides Brian Atwater 1978-8-24 BA- 120 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  CHSC79412  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin 6.4 miles south of Thornton. Comment
  UC912579  Leersia oryzoides Herbert L. Mason 1928-9-30 4961 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UCD63591  Leersia oryzoides G. F. Hrusa; S. A. Wagner 1992-7-8 9153 San Joaquin Caswell Memorial State Park. Comment
  UCR80870  Leersia oryzoides G. Fred Hrusa, S. A. Wagner 1992-7-8 9153 San Joaquin Caswell Memorial State Park. Comment
  UCD18847  Legenere limosa Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-23 155 San Joaquin 1 mi. south along Hwy 88 from intersection of Liberty Rd, 1 mi. east of Hwy 88 along dirt ranch road, Lane site, pool # LAN043. Comment
  UC1036118  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 mi w of Farmington 30 Comment
  CDA21163  Lemna minor G. F. Hrusa 1992-8-26 9561 a San Joaquin Caswell Memorial State Park; Caswell Memorial State Park. Oxbow Lake. Comment
  JEPS79583  Lemna minor Edward Lee 1934-7-4 971 San Joaquin between Middle and Old River ((San Joaquin) drainage ditch, Borden Highway); Borden Highway Comment
  JEPS79584  Lemna minor Edward Lee 1934-7-4 971 San Joaquin between Middle and Old River ((San Joaquin) drainage ditch, Borden Highway); Borden Highway Comment
  UC1083189  Lemna minuscula Herbert L. Mason 1937-6-21 11550 San Joaquin 1/2 mi sw of Holt Comment
  RSA318294A  Lemna minuta Wayne P. Armstrong 1984-8-22 1214 San Joaquin Trapper Slough-- north side of Highway 4 approximately 4 miles west of Holt 2 Comment
  RSA318295  Lemna minuta Wayne P. Armstrong 1984-8-23 1215 San Joaquin South side of Highway 4-- 3 miles southwest of Holt 2 Comment
  UCR249963  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20228 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  CAS-BOT-BC88871  Lepidium chalepense Bellue 1932-6-1 s.n. San Joaquin Unspecified. Comment
  CAS-BOT-BC88942  Lepidium dictyotum Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10558 San Joaquin Corral Hollow. Comment
  RSA161134  Lepidium dictyotum P. H. Raven, Reino Alava, Robert Ornduff, S. Woodcox 1957-3-30 10558 San Joaquin Corral Hollow. Comment
  RSA293043  Lepidium dictyotum Reino Alava 1957-3-30 582 San Joaquin San Joaquin Valley, hillside at Corral Hollow. Comment
  CAS-BOT-BC88959  Lepidium dictyotum E. E. Stanford 1928-3-10 801 San Joaquin Between Turners and Atlanta. Comment
  UC10609  Lepidium dictyotum var. acutidens F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  UC764777  Lepidium dictyotum var. acutidens Robert F. Hoover 1935-3-1 251 San Joaquin w of Ripon (San Joaquin River Bridge); San Joaquin River Comment
  CDA15316  Lepidium latifolium J. Allan 1998-8-2 s.n. San Joaquin San Joaquin Valley; NW corner Bethany & Henderson Rd. in Tracy. 0 Comment
  NY76540  Lepidium latifolium D. W. McNeal 1982-7-7 2660 San Joaquin At the end of the slough north of Eight Mile Road, 0.6 mile west of Interstate #5 north of Stockton Comment
  UCD115702  Lepidium latifolium G. F. Hrusa; S. A. Wagner 1992-7-8 9171 San Joaquin On riverbank side of Oxbow Bar. Caswell Memorial State Park. Comment
  POM195962  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  CAS-BOT-BC12558  Lepidium nitidum John Thomas Howell 1931-3-16 5784 San Joaquin 3 miles southeast of Tracy. Comment
  CAS-BOT-BC12560  Lepidium nitidum Carl B. Wolf 1937-3-31 8380 San Joaquin San Joaquin Valley, 3 miles east of Tracy at junction with Vernalis Road. 7 Comment
  RSA161144  Lepidium nitidum P. H. Raven, Robert Ornduff, et al. 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  RSA21266  Lepidium nitidum C. B. Wolf 1937-3-31 8380 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  UCR207838  Lepidium nitidum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14466 San Joaquin San Joaquin Valley, along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  UCR232271  Lepidium oblongum George K. Helmkamp, E. A. Helmkamp 2011-3-29 17100 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  UC10602  Lepidium strictum J. A. Sanford 1890-1 407 San Joaquin Waverly Comment
  RSA0116234  Lepidium strictum Volney Rattan 1877-03 s.n. San Joaquin Live Oaks Comment
  UC1601653  Lepidium strictum Albert Kellogg 1889-5-29 San Joaquin S<?> Comment
  RSA697455  Lepidium virginicum J. Vlahos 1934-5-20 s.n. San Joaquin South Forks. Comment
  SBBG50434  Lepidospartum squamatum J. T. Howell 1973-10-31 San Joaquin wash of Hospital Crk, SW of Vernalis, Interstate 580 Comment
  JEPS33279  Leptochloa fascicularis Rimo Bacigalupi and L. Constance 1962-8-13 8717 San Joaquin flats on e side of river just n bridge of the Durham Ferry Road (just n of site of San Joaquin City); San Joaquin River 3 Comment
  UCD63663  Leptochloa fusca subsp. fascicularis Beecher Crampton 1960-8-9 5771 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  UCD63842  Leptochloa fusca subsp. fascicularis G. F. Hrusa; S. A. Wagner 1992-8-9 9328 San Joaquin W end of Caswell Memorial State Park. Comment
  RSA135321  Leptosiphon bicolor Volney Rattan 1877-3-15 s.n. San Joaquin Live Oaks Comment
  RSA0001377  Lessingia germanorum var. vallicola John T. Howell 1927-8-27 3065 San Joaquin Near Manteca. 15 Comment
  CAS-BOT-BC123036  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-27 3065 San Joaquin 3 miles W of Manteca 15 Comment
  OBI48833  Lessingia pectinata var. tenuipes Michener & Boletti, Boletti September 1892 s.n. San Joaquin San Joaquin bridge Comment
  POM57784  Lessingia pectinata var. tenuipes Michener, F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  UC133316  Lessingia pectinata var. tenuipes Katharine Brandegee 1907-9-1 San Joaquin near Lathrop Comment
  UC33155  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC33156  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC468757  Lessingia pectinata var. tenuipes Katharine Brandegee 1914-9-27 San Joaquin Lathrop Comment
  CAS-BOT-BC342047  Lessingia virgata V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  JEPS18545  Lessingia virgata V. Rattan 1880-10-23 San Joaquin Live Oaks, Rattan's Ranch Comment
  CAS-BOT-BC342048  Lessingia virgata Edward Lee Greene 1881-9-20 s.n. San Joaquin San Joaquin Valley Comment
  UC194246  Lessingia virgata Dr. C. C. Parry 1881-1 San Joaquin Stockton Comment
  CAS-BOT-BC272206  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Near Stockton, Calaveras River Comment
  CDA32492  Leymus triticoides T. C. Fuller 1958-12-18 1665 San Joaquin West side of Ray Rd., 200 yards north of State Hwy 12, southwest of Lodi. 0 Comment
  SEINET10531268  Libocedrus decurrens Carl C. Epling 1931-10-3 Epling s.n. 1931 San Joaquin Strawberry Valley, San Jacinto Mts. 5000 feet. Comment
  CAS-BOT-BC451656  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  UC767547  Lilaea scilloides Robert F. Hoover 1935-3-16 347 San Joaquin Farmington; San Joaquin Valley Comment
  POM203336  Lilaea scilloides J. T. Howell 1930-4-12 4680 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  SEINET8470686 Image available Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 16 Comment
  CAS-BOT-BC211113  Lilaeopsis masonii Brian Atwater 1978-8-24 BA- 102 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  SD233724  Lilaeopsis masonii Lisa Kegarice Jul 1993 San Joaquin Sacramento Valley: near Stockton, island in the San Joaguin River delta. Slough subject to tidal influence. Comment
  UC1260481  Lilaeopsis masonii Charles Patterson 1980-9-13 San Joaquin small islet of tules at w. end of Morrison Isl. (vicinity of confluence of Fourteen Mile Slough, Stockton Deep Water Ship Channel); Holt 7 1/2 Quad., Stockton Deep Water Ship Channel Comment
  UC1587284  Lilaeopsis masonii C. K. Kjeldsen 1991-4-12 San Joaquin South levee of Shima Tract, just west of Stockton. Comment
  UCR123621  Lilaeopsis masonii Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  CAS-BOT-BC110613  Limnanthes Anne Leary 1975-4-1 s.n. San Joaquin Sierra Nevada. Foothills east of Lodi. Comment
  JEPS19620  Limnanthes alba W. L. Jepson 1929-4-28 15201 San Joaquin Clements 60 Comment
  OBI12599  Limnanthes alba Robert F. Hoover 1936-4-30 1057 San Joaquin Farmington Comment
  UC869470  Limnanthes alba C. L. Hitchcock 1940-4-29 6303 San Joaquin 3 mi s Galt 15 Comment
  UCD116466  Limnanthes alba subsp. alba Marvin L. Nies 1951-5-4 58 San Joaquin 6 miles east of Lodi. Comment
  SEINET8727025 Image available Limnanthes douglasii Charles T. Mason Jr. 1948-1 1160 San Joaquin Along state Highway 4 about 1/8 mile west of cross-road to Milton and Knights Ferry, Elevation 200 feet. 61 Comment
  CHSC22063  Limnanthes douglasii subsp. rosea Robert A. Schlising 1962-3-24 2108 San Joaquin Coast Ranges. Ca. 5 mi w Calaveras Co line along Hwy 8. Roadside and pasture. Comment
  JEPS13210  Limnanthes douglasii subsp. rosea Rimo Bacigalupi with G. T. Robbins 1955-5-5 4990 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  OBI12563  Limnanthes douglasii subsp. rosea Robert F. Hoover 1935-3-19 354 San Joaquin Farmington Comment
  OBI12573  Limnanthes douglasii subsp. rosea Robert F. Hoover 1936-3-19 805 San Joaquin Banta Comment
  RSA181882  Limnanthes douglasii subsp. rosea Paul C. Hutchison 1963-3-24 2676 San Joaquin 1.7 miles south of Amador County line on Hiway 88, 4.3 miles north of Mokulemne River Bridge. Comment
  UC1046592  Limnanthes douglasii subsp. rosea Alex D. Hawkes and R. Bacigalupi 1951-4-21 4802 San Joaquin State Road 4 near Farmington Comment
  UC1746127  Limnanthes douglasii subsp. rosea Annetta M. Carter 1947-4-5 1783 San Joaquin E of Farmington, 0.3 mi. W of San Joaquin Co. line. Comment
  UC17891  Limnanthes douglasii subsp. rosea J. A. Sanford 1890-1 60 San Joaquin Stockton Comment
  UC869483  Limnanthes douglasii subsp. rosea Lewis S. Rose 1941-3-27 41063 San Joaquin Stockton 3 Comment
  UC971826  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1949-3-29 1243 San Joaquin along state hwy 88 8 mi ne Clements Comment
  UCD84995  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 958 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  SEINET6670595  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-25 1160 San Joaquin Along state highway 4 about 1.8 mile west of cross-road to Milton and Knights Ferry 61 Comment
  UCD116525  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9152 San Joaquin along Highway 88, NE portion of the county. Comment
  CDA33336  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596380 San Joaquin Bethel Island, tidal waterway; population is about 1/5 mile off of deep water channel. 0 Comment
  JEPS9856  Limosella acaulis R. F. Hoover 1937-5-18 2186 San Joaquin 10 mi n of Stockton 12 Comment
  JEPS58380 Image available Linanthus dichotomus W. L. Jepson 1922-4-2 9597 San Joaquin W San Joaquin County, Corral Hollow. 182 Comment
  UC52680  Linanthus dichotomus Benj. Cobb San Joaquin Tracy Comment
  UCD123915  Lindernia dubia G. F. Hrusa; S. A. Wagner 1992-8-9 9335 San Joaquin Caswell Memorial State Park. Comment
  JEPS33272  Lindernia dubia var. anagallidea Rimo Bacigalupi and L. Constance 1962-8-13 8710 San Joaquin just n of site of San Joaquin City (just n of bridge of the Durham Ferry Road, just above waterline of San Joaquin River); San Joaquin River 3 Comment
  JEPS74994  Lindernia dubia var. anagallidea L. R. Heckard and P. Rubtzoff 1971-9-15 2808 San Joaquin about 4 air mi sw Ripon (Stanislaus River); Caswell State Park Comment
  UC101979  Lindernia dubia var. anagallidea Katharine Brandegee Sep 1907 San Joaquin near Lathrop (San Joaquin River); San Joaquin River Comment
  UC103620  Lindernia dubia var. anagallidea T. S. Brandegee 1907-9-9 San Joaquin near Lathrop (San Joaquin Bridge); San Joaquin Bridge Comment
  UCD141226  Lipocarpha micrantha G. F. Hrusa; S. A. Wagner 1992-8-9 9363 San Joaquin Oxbow Lake. Comment
  CAS-BOT-BC430971  Lithophragma bolanderi Volney Rattan 1885-3-25 s.n. San Joaquin In wheat field Live Oaks Comment
  JEPS47506  Lithophragma parviflorum W. L. Jepson 1922-4-2 9571 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow (w San Joaquin County) 182 Comment
  CAS-BOT-BC443345  Lithophragma parviflorum Roxana S. Ferris 1938-4-15 9409 San Joaquin On well-watered grassy hill-slope, 1/2 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC342127  Logfia filaginoides Roxana S. Ferris 1938-4-15 9401 San Joaquin At the mouth of Corral Hollow Comment
  CDA2227  Lolium multiflorum Castle Seed Co. 1959-6-4 San Joaquin Stockton. 0 Comment
  CHSC20553  Lolium multiflorum Virginia Holsinger 1964-5-18 106 San Joaquin Roadside bordering cow pasture, east of Livermore. 152 Comment
  SEINET10927385  Lolium perenne E. E. Stanford 1930-4-18 Stanford 1361 San Joaquin Thornton Road, wet ditches. Comment
  POM146263  Lolium perenne subsp. multiflorum E. E. Stanford 1927-4-12 146 San Joaquin Near Stockton. Comment
  UCD96921  Lomatium utriculatum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6957 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CAS-BOT-BC241460  Lonicera involucrata var. ledebourii Brian Atwater 1978-8-18 BA- 38 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  RSA518113  Lotus heermannii Barry Burnell 1971-4-5 292 San Joaquin Just South of San Simeon Creek on Highway 1. 30 Comment
  UC15508  Lotus purshianus var. purshianus J. A. Sanford 1890-1 39 San Joaquin Stockton Comment
  RSA406289  Lotus unifoliolatus D. D. Keck 1931-10-18 1318 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  UC101866  Lotus wrangelianus Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UC1561986  Lotus wrangelianus Barbara Ertter with Dale McNeal 1986-3-14 5788 San Joaquin 3.5 mi w Tesla Rd (Rt. J12) jct with I-580 (along Tesla Rd (Rt J12), se of Livermore); Diablo Range, Corral Hollow 152 Comment
  UC555422  Lotus wrangelianus Herbert L. Mason 1932-3-19 6821 San Joaquin 2 mi e Midway Comment
  CDA38127  Ludwigia peploides J. B. Gianelli 1972-10-5 s.n. San Joaquin Spoils area south of Stockton Yacht Club, Calaveras River. 0 Comment
  UCD107101  Ludwigia peploides G. F. Hrusa; S. A. Wagner 1992-7-8 9164 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  CDA34356  Ludwigia peploides subsp. peploides E. Finley, M. Lubinski 1988-9-26 s.n. San Joaquin Cruiser Haven Marina, San Joaquin Delta region. 0 Comment
  POM257274  Ludwigia peploides subsp. peploides H. L. Mason 1928-9-30 4953 San Joaquin San Joaquin Delta near Holt. Comment
  SEINET5766839 Image available Lupinus albifrons A. Baker 1927-1 s.n. San Joaquin near campus [College of the Pacific] Comment
  UC1129268  Lupinus albifrons R. D. Roseberry 1935-5-13 158 San Joaquin Mokelumne River; Jackson Quad., Mokelumne River 60 Comment
  UCD96915  Lupinus albifrons Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6952 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  RSA406999  Lupinus albifrons var. albifrons E. E. Stanford 1930-4-12 1307 San Joaquin Mariposa Rd. 15 mi. s.e. of Stockton. Comment
  JEPS65021  Lupinus benthamii W. L. Jepson 1929-4-28 15196 San Joaquin Clements 60 Comment
  HSC104232  Lupinus bicolor G. K. Helmkamp 2014-3-18 22571 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  SD241012  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-3-29 17095 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden. 71 Comment
  UC764124  Lupinus bicolor R. F. Hoover 1938-2-27 2795 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  UC82188  Lupinus bicolor C. F. Baker 1903-4-26 2910 San Joaquin Tracy Comment
  UCD107258  Lupinus bicolor G. F. Hrusa; S. A Wagner 1992-4-22 9260 San Joaquin Caswell Memorial State Park. Comment
  UCR232290  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-3-29 17095 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  UCR238403  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-4-7 18717 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCR242949  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15825 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UCR253610  Lupinus bicolor George K. Helmkamp 2014-3-18 22571 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UCR256102  Lupinus bicolor J. T. Howell, G. H. True 1978-4-4 52730 San Joaquin San Joaquin Valley, near Lockeford 30 Comment
  POM350010  Lupinus bicolor E. E. Stanford 1928-5-5 951 San Joaquin Near Peters Comment
  SJSU10738  Lupinus bicolor H. T. Shishido 1961-4-8 San Joaquin by Clements near Mokelumne R 39 Comment
  UCD33919  Lupinus bicolor Beecher Crampton 1975-4-16 9143 San Joaquin 3 miles north of Clements along Liberty road. Comment
  UCD33925  Lupinus bicolor Beecher Crampton 1975-4-16 9151 San Joaquin along Hwy. 88 N.E. portion of the county. Comment
  POM147742  Lupinus densiflorus var. lacteus E. E. Stanford 1927-5-7 217 San Joaquin Near Clements. Comment
  RSA413551  Lupinus densiflorus var. lacteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  RSA87053  Lupinus densiflorus var. palustris E. E. Stanford 1930-04 10006 San Joaquin Northern part of the county. Comment
  UCD108629  Lupinus microcarpus Michael A. Vincent 1999-6-12 8620 San Joaquin along CA Rt. 4, 0.5 mile east of Jack Torne Road. Comment
  JEPS100873  Lupinus microcarpus var. densiflorus Dean W. Taylor 1999-5-20 17155 San Joaquin Highway 4 2.5 miles East of Jack Tone Road junction (J5) 30 Comment
  JEPS108071  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin Drainage area, Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  OBI48316  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin San Joaquin-Alameda Cos. Drainage area, Carnegie Motorcycle park project, Co. J2 at Co. line Comment
  RSA659202  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  SEINET239856  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-24 2 /20 San Joaquin Alameda Cos. Drainage area Carnegie Motorcyle Park Project Co. J2 at Co. line. Comment
  UC15843  Lupinus microcarpus var. densiflorus F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC15954  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UC763998  Lupinus microcarpus var. densiflorus R. F. Hoover 1937-5-18 2181 San Joaquin near Lathrop; near Lathrop Comment
  CDA27533  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-22 19846 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 Comment
  CDA27534  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-21 19833 San Joaquin Inner Coast Ranges; Lone Tree Creek. 0 Comment
  JEPS65481  Lupinus succulentus R. F. Hoover 1935-3-1 237 San Joaquin Vernalis Comment
  POM146124  Lupinus succulentus E. E. Stanford 1927-4-5 137 San Joaquin Stockton. Comment
  UC570740  Lycopus americanus H. L. Mason 1929-9-9 5423 San Joaquin Holt Comment
  JEPS63275  Lycopus americanus unknown 1923-8-3 10028 San Joaquin 4 mi. n.e. Byron (Old R.); Old R. Comment
  UC108056  Lythrum californicum W. Vortriede San Joaquin Stockton Comment
  CDA14909  Lythrum californicum D. Joley 1998-10-1 s.n. San Joaquin San Joaquin Valley; Bank of White Slough on W side of Interstate 5 along Hwy 12. 0 Comment
  UC19766  Lythrum hyssopifolia J. A. Sanford 1890-1 54 San Joaquin Stockton Comment
  UCD103038  Lythrum hyssopifolia G. F. Hrusa 1992-8-26 9530 San Joaquin Caswell Memorial State Park. Comment
  CDA19055  Lythrum salicaria C. Benefield, Frank Zarate 2000-8-29 PDR 1060207 San Joaquin Sacramento Delta; below University of Pacific campus, along Calaveras River, at Stockton Yacht Club. 0 Comment
  CDA18962  Lythrum salicaria D. Gifford 2000-7-6 PDR 005678 San Joaquin SE of Stockton. 0 Comment
  JEPS2645 Image available Lythrum sanfordii J. A. Sanford 1890-1 383 San Joaquin Stockton; ; Stockton, San Joaquin Co. Comment
  JEPS119426  Madia citrigracilis G. K. Helmkamp, E. A. Helmkamp 2011-7-19 17798 San Joaquin Northern Sierra Nevada Mountains Foothills, Forest Route 5N14, 1.7 miles southeast of Boards Crossing bridge of North Fork Stanislaus River Comment
  CAS-BOT-BC342685  Madia elegans David D. Keck 1933-10-28 2577 San Joaquin 3 mi. N. of Stockton Comment
  POM196177  Madia elegans subsp. densifolia E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  CAS-BOT-BC324522  Madia radiata John Thomas Howell 1938-4-10 13753 San Joaquin Hospital Canyon Comment
  JEPS15776  Madia radiata W. L. Jepson 1922-4-2 9562 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
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Aug 21 2017
  JEPS7399  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  RSA0008529  Madia radiata C. B. Wolf 1937-3-31 8403 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  CAS-BOT-BC204035  Malacothamnus fremontii John Thomas Howell 1953-4-26 28932 San Joaquin Corral Hollow Comment
  UC1177002  Malacothamnus fremontii John Thomas Howell 1953-4-26 28932 San Joaquin Corral Hollow Comment
  UC18796  Malacothamnus fremontii State Survey 1861-1 1223 San Joaquin Corral Hollow Comment
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Dec 13 2015
  CAS-BOT-BC345542  Malacothrix coulteri Roxana S. Ferris 1938-4-15 9414 San Joaquin Hillside near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  UC33279  Malacothrix coulteri Benj. Cobb San Joaquin Tracy Comment
  UC18728  Malva nicaeensis J. A. Sanford 1890-1 335 San Joaquin Stockton Comment
  POM146117  Malva nicaeensis E. E. Stanford 1927-4-19 163 San Joaquin Stockton, Campus. Comment
  CDA19473  Malva parviflora M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 207 San Joaquin Sacramento Valley; on Liberty Rd, at junction to Dustin Rd, near Acampo. 22 Comment
  SEINET7248014  Malva pseudolavatera Ira L. Wiggins 1958-1 14322 San Joaquin At corner of Patterson Road and Grant Line Road. Comment
  UCD116686  Malva pseudolavatera T. C. Fuller 1962-6-4 8832 San Joaquin In waste ground, n. side of Hwy 50 at r.r. tracks, w. limits of Tracy. Comment
  UC18829  Malvella leprosa J. Burtt Davy Nov. 1893 826 San Joaquin Stockton Comment
  UC18835  Malvella leprosa H. P. Fitch 1888-1 121 San Joaquin Stockton Comment
  UC18836  Malvella leprosa J. A. Sanford 1890-1 385 San Joaquin Stockton Comment
  CDA35812  Malvella leprosa T. C. Fuller 1961-9-13 7005 San Joaquin Road to Byron, Highway J4, 4.5 miles northwest of Tracy. 0 Comment
  UCD116699  Malvella leprosa Allan G. O'Berg Jr. 1955-10-1 s.n. San Joaquin 2.1 mi. s. of San Joaquin on w. side of Colorado Rd. Comment
  UCD116712  Malvella leprosa W. S. Ball 1931-9-20 s.n. San Joaquin San Joaquin Valley. Comment
  UC1267080  Marah fabacea Kenneth M. Stocking 1947-8-5 14 San Joaquin 1 mi e Linden Comment
  UC764806  Marah fabacea R. F. Hoover 1938-3-19 2864 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  CDA42223  Marah fabacea T. C. Fuller 1962-4-24 8328 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA42224  Marah fabacea T. C. Fuller 1962-4-24 8328 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CHSC46941  Marah fabacea Lloy Thurman 1963-4-27 San Joaquin North of Linden, between Duncan and Clements Road. Comment
  RSA440952  Marah fabacea K. M. Stocking 1947-4-25 31 -b San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  CAS-BOT-BC71133  Marsilea Roxana S. Ferris 1940-6-1 9845 San Joaquin about 3 miles west of Lockford on Stockton-Lockford road Comment
  POM89817  Marsilea vestita Michener 1892-9-9 s.n. San Joaquin Lathrop. Comment
  RSA612742  Marsilea vestita E. E. Stanford 1929-11-2 1181 San Joaquin Near Stockton Comment
  RSA694899  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton. Comment
  UC903148  Marsilea vestita subsp. vestita Ethel Crum 1932-5-1 1414 San Joaquin 4 mi sw Lockeford 22 Comment
  UC1069990  Matricaria discoidea R. D. Roseberry 1935-5-16 184 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  CAS-BOT-BC348071  Matricaria discoidea E. E. Stanford 1928-4-7 845 San Joaquin Stockton Comment
  POM196278  Matricaria matricarioides E. E. Stanford 1928-4-7 845 San Joaquin Stockton, campus [College of the Pacific] Comment
  CAS-BOT-BC348274  Matricaria occidentalis E. E. Stanford 1928-4-19 888 San Joaquin Stockton Comment
  CDA27609  Medicago arborea W. B. Andahl 1965-8-4 San Joaquin Farmington. 0 Comment
  SEINET3422325 Image available Medicago hispida P. O. Schallert 1945-3-8 s.n. San Joaquin Waste places near Stockton, California. Comment
  SD243138  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 miles NE (50a^z) of Lodi (Lockeford 7.5'Q) 39 Comment
  UC16094  Medicago polymorpha J. A. Sanford 1890-1 73 San Joaquin Stockton Comment
  UCD107837  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-3-22 9066 San Joaquin Caswell Memorial State Park. Comment
  UCR77123  Melilotus albus G. Fred Hrusa, S. A. Wagner 1992-7-8 9158 San Joaquin Caswell Memorial State Park. Comment
  POM147806  Melilotus indicus E. E. Stanford 1928-3-13 804 San Joaquin Stockton. Comment
  POM348200  Melilotus indicus C. R. Quick 1929-4-6 s.n. San Joaquin Aviation Field. C.O.P. Comment
  SEINET3418100 Image available Melilotus indicus P. O. Schallert 1945-4-22 238 San Joaquin Stockton, Common around Stockton, San Joaquin County, California, Comment
  SEINET8721694 Image available Melilotus indicus Laura Zeller 1965-1 58 San Joaquin Ca. .3 miles S. of intersection of Eight Mile Road and Davis Road on Davis Road Comment
  UCD108075  Melilotus indicus G. F. Hrusa; S. A. Wagner 1992-4-22 9284 San Joaquin Caswell Memorial State Park. Upper reaches of campground beach at eastern end of park. Comment
  UC1191902  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1948-7-22 207 San Joaquin 2 mi n Manteca (irrigation canal) Comment
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Sep 17 2008
  UC57621  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  UC66748  Mentha canadensis N. K. Berg 1903-12-12 San Joaquin Stockton Rough and R. Isl. <Rough and Ready Island> Comment
  RSA409902  Mentha canadensis E. E. Stanford 1929-10-25 1180 San Joaquin Near Stockton Comment
  UC25391  Mentha pulegium H. P. Fitch 1888-8-7 146 San Joaquin Stockton Comment
  UC25394  Mentha pulegium J. Burtt Davy 1893-11-13 410 San Joaquin bank of Stockton Slough Comment
  JEPS41160  Mentzelia affinis W. L. Jepson 1896-6-27 14041 San Joaquin between Mossdale School Atlanta; Plains of the Lower San Joaquin Comment
  POM134690  Mentzelia affinis C. F. Baker 1903-4-25 2781 San Joaquin Tracy. Comment
  UC108406  Mentzelia affinis Brandegee May 1889 San Joaquin Tracy Comment
  UC766019  Mentzelia affinis R. F. Hoover 1938-4-9 3051 San Joaquin Lower end of Corral Hollow Lower end of Corral Hollow Comment
  UC596455  Mentzelia pectinata R. F. Hoover 1938-3-19 2870 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
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Apr 10 2008
  UC673370  Mentzelia pectinata Herbert L. Mason 1932-3-19 6823 San Joaquin 2 m e of Midway (between Mountain House and Tracy.) Comment
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Apr 26 2018
  CAS-BOT-BC348402  Micropus californicus var. californicus E. E. Stanford 1930-4-5 1244 San Joaquin Hospital Canyon Comment
  UC604926  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin hillside near mouth of Elk Ravine; Cow Hollow-Livermore Road 152 Comment
  UC565548  Microseris douglasii subsp. douglasii H. L. Mason 1932-3-19 6832 San Joaquin 2 mi e Midway Comment
  UC625512  Microseris douglasii subsp. douglasii Frank W. Gould 1938-4-10 165 San Joaquin in vicinity Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  JEPS35604  Microseris douglasii subsp. tenella R. F. Hoover 1937-5-6 2084 San Joaquin 5 mi se Stockton Comment
  UCD96866  Microseris douglasii subsp. tenella Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6921 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  RSA21626B  Microseris elegans Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UCD96906  Microsteris gracilis Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6947 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  RSA605652  Mimulus aurantiacus Louis C. Wheeler 1952-9-29 6994 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CDA41670  Mimulus aurantiacus T. C. Fuller 1962-4-24 8222 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  JEPS22956  Mimulus douglasii Volney Rattan 1887-3-17 San Joaquin Live Oaks Mokelumne River Comment
  JEPS23876  Mimulus douglasii Volney Rattan 1886-3-15 San Joaquin Live Oaks Comment
  POM146107  Mimulus guttatus E. E. Stanford 1927-4-12 149 San Joaquin Near Stockton. Comment
  JEPS14623  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (in field e of road toward Lockeford) Comment
  JEPS6968  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (in field e of road toward Lockeford) Comment
  UC27097  Mimulus latidens J. A. Sanford 1890-1 159 San Joaquin French Camp Comment
  UC445155  Mimulus latidens J. A. Sanford 1890-1 160 San Joaquin Comment
  UCSB7534  Mimulus latidens Chisaki, Francia; Kamb, Peter; Smith, S. 1951-4-14 San Joaquin 0.6 mile north of Collegeville; on road toward Lockeford Comment
  UC27029  Mimulus microphyllus J. A. Sanford 1890-1 162 San Joaquin Waverly Comment
  UC26992  Mimulus nasutus J. A. Sanford 1890-1 165 San Joaquin Stockton Comment
  JEPS22962  Mimulus pilosus Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks Comment
  RSA138307  Mimulus pilosus Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  POM195900  Mimulus pilosus C. R. Quick 1929-6-4 s.n. San Joaquin Calaveras River Bottom, North of campus (College of the Pacific), Stockton. Comment
  SEINET7072568  Mimulus rubellus A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at Route 8 about 7 miles east-norheast of Linden. Coordinate datum: NAD 27. UTM Zone 10, 675930mE, 4215074mN. Comment
  JEPS10522  Mimulus tricolor W. L. Jepson 1937-4-23 18008 San Joaquin ca. 5 mi se Stockton (on Farmington road) Comment
  RSA27965  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt. 16 Comment
  UC886382  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 mi s Galt 15 Comment
  RSA409097  Mimulus tricolor E. E. Stanford 1930-4-12 1277 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  CDA5052  Modiola caroliniana F. M. Newhall 1961-10-2 San Joaquin Frontage road, north of Mokelumne. 0 Comment
  JEPS74993  Mollugo verticillata L. R. Heckard and P. Rubtzoff 1971-9-15 2808 A San Joaquin about 4 air mi sw of Ripon (Stanislaus River at Caswell State Park); Stanislaus River, Caswell State Park Comment
  UC465730  Mollugo verticillata Harriet A. Walker 1907-9-8 922 San Joaquin Lathrop Comment
  CAS-BOT-BC435047  Mollugo verticillata John Thomas Howell 1930-6-28 5326 San Joaquin Banta Junction, 1 mile from Banta Comment
  RSA0010765  Mollugo verticillata Cyril R. Owen 1927-9-27 31 San Joaquin Campus. [College of the Pacific] Comment
  CAS-BOT-BC220047  Monardella breweri subsp. lanceolata Volney Rattan 1881-7-2 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC220048  Monardella breweri subsp. lanceolata Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC220050  Monardella breweri subsp. lanceolata Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  RSA135436  Monardella lanceolata var. lanceolata Volney Rattan 1886-06 s.n. San Joaquin [Unspecified] Comment
  UC604932  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin near mouth of Elk Ravine (Corral Hollow-Livermore Rd.) 152 Comment
  UC769907  Monolepis nuttalliana R. F. Hoover 1938-4-9 3049 San Joaquin lower end of Corral Hollow Comment
  CAS-BOT-BC349409  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W. side of San Joaquin Valley, Hospital Canyon 137 Comment
  CAS-BOT-BC349410  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1482 San Joaquin Corral Hollow, Mount Hamilton Range 228 Comment
  POM260772  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1495 San Joaquin Corral Hollow, Mount Hamilton Range 229 Comment
  POM363555  Monolopia lanceolata C. B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  UC572144  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1490 a San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow 228 Comment
  CAS-BOT-BC349637  Monolopia major Serena Philips 1915-4-2 s.n. San Joaquin Near Tracy Comment
  SJSU3175  Monolopia major R. Takaha 1958-3-6 San Joaquin Corral Hollow, between Livermore & Tracy Comment
  UC572143  Monolopia major H. K. Sharsmith 1935-3-17 1500 a San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  JEPS43352  Montia fontana W. L. Jepson 1938-4-14 18678 San Joaquin headwaters of Goose Creek, ne San Joaquin County Goose Creek Comment
  CDA15559  Morus alba G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14890 San Joaquin Caswell Memorial State Park; Near Stanislaus R. at intersection of Majestic Oaks and River Bend trail. Comment
  CAS-BOT-BC263369  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin Corral Hollow, Mount Hamilton Range, 8 miles southwest of Tracy 152 Comment
  JEPS73762  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin 8 mi sw Tracy; Mount Hamilton Range, Corral Hollow 152 Comment
  CAS-BOT-BC275160  Muhlenbergia richardsonis H. M. Hall; H. P. Chandler 1900-7-1 628 San Joaquin S Fork, San Joaquin River Comment
  UCD86994  Muhlenbergia rigens Beecher Crampton 1955-9-7 3155 San Joaquin 3.7 miles south of Thornton. Comment
  UC766279  Muilla maritima R. F. Hoover 1946-4-13 6077 San Joaquin near lower end; Corral Hollow Comment
  SEINET10570436  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 Constance 2526 San Joaquin Corm deep-seated; perianth greenish-white. Dry thin soil on conglomerate of Summit with dicholostemma and allium, castle rock, corral hollow 213 Comment
  UC767506  Myosurus minimus R. F. Hoover 1940-4-27 4367 San Joaquin River Road near San Joaquin City Comment
  CAS-BOT-BC83362  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Near Stockton. Comment
  UC767002  Myosurus sessilis R. F. Hoover 1940-4-27 4366 San Joaquin River Road near San Joaquin City Comment
  UC9323  Myosurus sessilis J. Burtt Davy 1893-11-13 San Joaquin Stockton Comment
  UC1178886  Myriophyllum hippuroides Herbert L. Mason 1938-8-26 12074 San Joaquin Trappers Slough, Roberts Island Comment
  CDA18616  Myriophyllum spicatum E. Finley 1999-10-3 PDR 1013546 C San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  UC1100012  Najas guadalupensis Verne Grant, Herbert L. Mason 1946-8-21 13072 San Joaquin Victoria Island, Middle River Bridge Victoria Island; , Middle River Bridge Comment
  UCD96875  Nassella cernua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6928 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  UC23654  Navarretia intertexta J. A. Sanford 1890-1 58 San Joaquin Stockton Comment
  JEPS70366  Navarretia leucocephala W. L. Jepson 1902-5-18 1823 D San Joaquin Clements 40 Comment
  UC23682  Navarretia leucocephala J. A. Sanford 1890-1 59 San Joaquin Stockton Comment
  UCD33078  Navarretia leucocephala Beecher Crampton 1966-5-3 7690 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  JEPS70368  Navarretia leucocephala subsp. leucocephala Joseph P. Tracy 1921-5-25 5791 San Joaquin Farmington San Joaquin Valley 30 Comment
  UCR62336  Navarretia leucocephala subsp. leucocephala L. F. LaPre 1990-5-8 s.n. San Joaquin Borden Ranch, Mackville Rd, 1-2 mi north of Liberty Rd; c. 7 miles north of Clements 70 Comment
  POM196312  Navarretia leucocephala subsp. leucocephala E. E. Stanford 1928-4-7 850 San Joaquin Near Collegeville Comment
  CAS-BOT-BC233607  Navarretia pubescens Roxana S. Ferris 1953-5-15 12646 San Joaquin Everett School and intersection with Bellota-Farmington road ca. 1 mile W of intersection Comment
  CAS-BOT-BC233608  Navarretia pubescens E. E. Stanford 1930-4-26 1427 San Joaquin Copperopolis Road W of Peters Comment
  UC990706  Navarretia tagetina Roxana S. Ferris 1953-5-15 12649 San Joaquin ca 1 mi w rd betw. Everett Sch. & intersection w/Bellota-Farmington rd Comment
  UCD58740  Navarretia tagetina Charlotte Kimball 2007-5-14 s.n. San Joaquin 1500 ft. southwest of the spillway of Comanche Reservoir. 60 Comment
  UCD58741  Navarretia viscidula Charlotte Kimball 2007-5-14 s.n. San Joaquin 500 ft. southwest of the spillway of Comanche Reservoir. 60 Comment
  JEPS2991  Nemophila heterophylla Mrs. A. R. Arnold 1922-4-30 San Joaquin Corral Hollow (western San Joaquin County) Comment
  JEPS104716  Nemophila menziesii J. L. and F. L. Morrison 1938-3-6 2771 San Joaquin steep slope NE of Castle Rock, Corral Hollow, Mount Hamilton Range 350 Comment
  UC767670  Nemophila menziesii R. F. Hoover 1938-3-19 2868 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line, San Joaquin); n of Corral Hollow Comment
  UC1057470  Nemophila pedunculata G. Thomas Robbins 1940-3-16 287 San Joaquin near Castle Rock (Corral Hollow); near Castle Rock, Corral Hollow 198 Comment
  CDA14313  Nicotiana acuminata var. multiflora Al Wheelon 1998-8-12 s.n. San Joaquin San Joaquin Valley; near Port of Stockton. 0 Comment
  CDA37451  Nicotiana glauca D. G. Kelch 2011-10-4 11 .83 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  CDA5786  Nicotiana glauca P. Switzenberg 1959-8-1 San Joaquin Home garden, Hansen property, Lucas Road, Woodbridge. 0 Comment
  POM146110  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Stockton. Levee, San Joaquin River. Comment
  UC26169  Nicotiana glauca H. P. Fitch 1888-1 137 San Joaquin Stockton Comment
  UC26155  Nicotiana quadrivalvis J. A. Sanford 44 San Joaquin French Camp Comment
  RSA478853  Nitrophila occidentalis E. E. Stanford 1930-5-10 1475 San Joaquin West Ripon Road. Comment
  UCD97833  Nitrophila occidentalis Rimo Bacigalupi; L. Constance 1962-8-13 8723 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road; just north of town of Lathrop. 5 Comment
  UCD124113  Nuttallanthus texanus J. C. Tothill 1958-4-13 s.n. San Joaquin State Highway 8, ca. 15 miles east of Lodi. 57 Comment
  CDA38157  Oenothera deltoides subsp. cognata A. E. Mahoney 1958-9-3 s.n. San Joaquin Lathrop; Lake Ranch. 0 Comment
  UC173125  Oenothera elata subsp. hirsutissima Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UCD18385  Orobanche californica subsp. jepsonii Glen Holstein 1976-9-4 14 San Joaquin campground at Caswell Memorial State park. 15 Comment
  CDA42361  Orobanche ramosa Robert Pelletier 2014-7-28 PDR# 390 P06219589 San Joaquin North of Holt, in field south of West Neugerbauer Road and west of North Holt Road. 0 Comment
  CDA42362  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-A San Joaquin Northwest of Holt, in field south of West Neugerbauer Road, north of West McDonald Road and west of North Holt Road. Landplane Field 3I-12. 0 Comment
  CDA42384  Orobanche ramosa Don McCoon 2014-8-26 PDR# 390 P06219816 San Joaquin North of Holt, in field southwest of the intersection of North Holt Road and West Neugerbauer Road. 0 Comment
  CDA42393  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-B San Joaquin North of Holt, in field north of West McDonald Road. Field 7 Number 11-7. 0 Comment
  CDA6510  Orobanche ramosa A. Moretto 1968-6-27 San Joaquin Albert Del Aringa property, near Lincoln Village, Stockton. 0 Comment
  RSA0072116  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1 mi S/Hwy 4, Roberts Island, ca. 3 mi SW/Stockton. Comment
  RSA516491  Orthocarpus campestris Robert F. Hoover 1936-4-30 1051 San Joaquin 2 miles north of Escalon. Comment
  RSA402012A  Orthocarpus erianthus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET12270168  Orthocarpus erianthus L. D. Thurman 1963-1 120 San Joaquin 2.1 mi E of Calaveras River bridge on state highway 8 Comment
  RSA407964  Orthocarpus purpurascens E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CAS-BOT-BC253683  Panicum capillare Peter Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing, Tracy-Ripon area Comment
  CDA25209  Panicum capillare G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13095 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  SBBG47343  Panicum capillare P. Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UCD89383  Panicum capillare Alan A. Beetle 1946-8-5 4410 San Joaquin 3 miles north of Lockford. Comment
  CAS-BOT-BC253846  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin RIver at Airport Way crossing, Tracy-Ripon area Comment
  RSA227228B  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UCD36787  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton. Comment
  UCD77899  Panicum dichotomiflorum Robert E. Preston 2004-9-3 2293 San Joaquin Ca. 9.9 miles NE of Lodi, along Liberty Rd, 0.1 mile E of Coyote Creek 30 Comment
  UCD89578  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton. Comment
  UCD89579  Panicum dichotomiflorum Beecher Crampton 1957-8-23 4589 San Joaquin Along US Hwy. 99 freeway, 3 miles S of Stockton. Comment
  UCD77898  Panicum miliaceum Robert E. Preston 2004-8-27 2290 San Joaquin 7.4 miles E of Galt, along Elliott Rd 27 Comment
  CDA19057  Parthenocissus inserta Carri Benefield 2000-6-2 s.n. San Joaquin Sacramento Delta; White Slough, E of I-5, S of Hwy 12, bordering King Island. 0 Comment
  JEPS21853  Parvisedum pumilum Ina Graham 1958-4-19 48 San Joaquin 3 mi e of Clements (1/2 mi n of Route 12, pasture on McIntire Road); McIntire Road Comment
  CAS-BOT-BC259637  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin 3.2 miles E of Escalon on road to Oakdale Comment
  CAS-BOT-BC259638  Paspalum dilatatum Brian Atwater 1978-9-16 BA- 145 San Joaquin Inside a meander of Middle River and vicinity, between Victoria Is. and Upper Jones Tract Comment
  CDA2129  Paspalum dilatatum M. Inverso 1979-9-21 San Joaquin A. Curtis property, 1864 South Seider Avenue, Escalon. 0 Comment
  UC1101572  Paspalum dilatatum Malcolm A. Nobs and S. Galen Smith 1948-7-22 209 San Joaquin 2 mi n Manteca (irrigation canal) Comment
Read comments
Sep 17 2008
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UCD88754  Paspalum dilatatum R. F. Hoover 1937-6-10 2399 San Joaquin Escalon. Comment
  UCR253498  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20078 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UC50741  Paspalum distichum J. A. Sanford 1901-9-10 San Joaquin Stockton Comment
  UCD88920  Paspalum distichum G. F. Hrusa; S. A. Wagner 1992-7-8 9176 San Joaquin Caswell Memorial State Park. Comment
  UC604965  Pectocarya anisocarpa Roxana S. Ferris 1938-4-15 9398 San Joaquin near gravel pit at the mouth of Corral Hollow Comment
  UC766281  Pectocarya anisocarpa R. F. Hoover 1946-4-13 6078 San Joaquin lower end Corral Hollow Comment
  RSA20133  Pectocarya penicillata Roxana S. Ferris 1938-4-15 9398 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  UC1601642  Pectocarya penicillata R. F. Hoover 1938-2-27 2798 San Joaquin Corral Hollow, Castle Rock Comment
  UC1745864  Pectocarya penicillata Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 789 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. Comment
  CAS-BOT-BC258799  Pennisetum clandestinum T. C. Fuller 1962-11-28 9929 San Joaquin L. A. Dyke prop., w. side of Hwy 50 to Tracy, 0.5 mi. s. of Thomsen Rd., ca. 1 mi. w. of Lathrop Comment
  UCD89437  Pennisetum clandestinum T. C. Fuller 1962-11-28 9929 San Joaquin L. A. Dyke prop., w. side of Hwy 50 to Tracy, 0.5 mi. s. of Thomsen Rd., ca. 1 mi. w. of Lathrop. Comment
  CAS-BOT-BC413597  Persicaria amphibia F. R. Lawson 1930-9-18 s.n. San Joaquin Sherman Island Comment
  UCD99398  Persicaria amphibia R. N. Raynor 1939-4-1 s.n. San Joaquin Delta region, lower Jones Tract. Comment
  CAS-BOT-BC418888  Persicaria hydropiperoides Brian Atwater 1978-8-24 BA- 106 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  CAS-BOT-BC418892  Persicaria hydropiperoides John Thomas Howell 1929-9-21 4417 San Joaquin Holt Comment
  CAS-BOT-BC419065  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt Comment
  CAS-BOT-BC419063  Persicaria lapathifolia Eva Bramlet 1896-5-11 s.n. San Joaquin Woods Grove, San Joa. R. Comment
  UCD99489  Persicaria lapathifolia G. F. Hrusa 1992-8-26 9534 San Joaquin Caswell Memorial State Park. Margin of Oxbow Lake. Comment
  CAS-BOT-BC419252  Persicaria maculosa John Thomas Howell 1929-9-21 4414 San Joaquin Holt Comment
  CAS-BOT-BC419379  Persicaria punctata John Thomas Howell 1929-9-21 4415 San Joaquin Holt Comment
  CAS-BOT-BC419381  Persicaria punctata Ira L. Wiggins 1934-7-28 6941 San Joaquin 3.2 miles east of Escalon Comment
  JEPS2260  Phacelia ciliata var. ciliata W. L. Jepson 1922-4-2 9565 San Joaquin Corral Hollow Mt. Hamilton Range 152 Comment
  JEPS2262  Phacelia ciliata var. ciliata A. D. Tenney 1915-3-30 San Joaquin Tracy Comment
  JEPS2268  Phacelia ciliata var. ciliata A. D. Tenney 1915-4-7 San Joaquin Tracy Comment
  JEPS27271  Phacelia ciliata var. ciliata Rimo Bacigalupi with H. G. Baker, J. Weiler, A. Nelson 1961-2-27 7541 San Joaquin hills just n Corral Hollow (nw of site of Carnegie (see USGS Quadr. Midway)); Atomic Energy Commission Preserve 274 Comment
  RSA426082  Phacelia distans E. E. Stanford 1930-4-5 1223 San Joaquin Hospital Canyon. Comment
  UC24472  Phacelia distans J. A. Sanford 1890-1 99 San Joaquin French Camp Comment
  UC762055  Phacelia distans R. F. Hoover 1937-5-18 2182 San Joaquin near Lathrop Comment
  UC762066  Phacelia distans R. F. Hoover 1938-4-9 3028 San Joaquin 1 mi n Corral Hollow (near Aalmeda Co. line) Comment
  UC625442  Phacelia douglasii Frank W. Gould 1938-3-6 37 San Joaquin in vicinity of Castle Rock Corral Hollow 182 Comment
  JEPS2048  Phacelia fremontii W. L. Jepson 1922-4-2 9566 San Joaquin Corral Hollow Mt. Hamilton Range (w San Joaquin Co.) Comment
  UC596135  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  JEPS1291  Phacelia tanacetifolia A. D. Tenney 1915-4-17 San Joaquin Tracy Comment
  POM65418  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin Tracy. Comment
  RSA428228  Phacelia tanacetifolia E. E. Stanford 1930-5-5 1252 San Joaquin Near Lathrop Comment
  UC107558  Phacelia tanacetifolia K. Brandegee May 1889 San Joaquin Tracy Comment
  UC24484  Phacelia tanacetifolia Benj. Cobb 1900-4 10 San Joaquin Tracy Comment
  UC75125  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin along ridges Tracy Comment
  CAS-BOT-BC265836  Phalaris arundinacea Brian Atwater 1978-8-22 BA- 73 a San Joaquin A meander of Middle River between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC265839  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CDA2275  Phalaris arundinacea T. C. Fuller 1958-12-18 1667 San Joaquin Ray Road, 100 yards south of Sargent Road, southwest of Lodi. 0 Comment
  POM147799  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin Stockton near San Joaquin River, Louis Park Comment
  UCD88505  Phalaris arundinacea Beecher Crampton 1965-7-12 7455 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD88507  Phalaris arundinacea William N. Helphinstine 1967-11-8 s.n. San Joaquin Around Stockton. Comment
  SEINET10855448  Phalaris arundinacea E. E. Stanford 1930-5-30 Stanford 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CAS-BOT-BC259036  Phalaris lemmonii E. E. Stanford 1930-4-12 1284 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton Comment
  RSA582106  Phalaris lemmonii E. E. Stanford 1930-5-3 1466 San Joaquin Kettleman-Terminus Road. Comment
  UC50716  Phalaris lemmonii F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UC188871  Phalaris minor Mr. Sanford 93 San Joaquin Stockton Comment
  UCD89416  Phalaris paradoxa Albert Troglin 1964-5-1 s.n. San Joaquin Tracy area. Comment
  UC767574  Pholistoma membranaceum R. F. Hoover 1938-2-27 2792 San Joaquin Corral Hollow Castle Rock; , Corral Hollow Comment
  POM354319  Phoradendron macrophyllum E. E. Stanford 1930-3-30 1193 San Joaquin Near Bellota. Comment
  UCD102188  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa; S. A. Wagner 1992-3-4 9061 San Joaquin Caswell Memorial State Park. Comment
  UC6092  Phoradendron villosum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  SEINET3814642 Image available Photinia serrulata W. G. Gambill Jr. 1965-3-29 s.n. San Joaquin Stockton, Stockton. Comment
  JEPS70615  Phragmites australis W. L. Jepson 1913-11-22 5687 San Joaquin Middle River, Lower San Joaquin Comment
  RSA249405  Phragmites australis J. D. Ackerman, A. Montalvo 1973-12-20 125 San Joaquin Between Highway 4 and Middle River town Comment
  UCD89840  Phragmites australis P. B. Kennedy 1928-9-30 s.n. San Joaquin near Holt. Comment
  UCD89842  Phragmites australis 1946-9-12 13123 San Joaquin Borden Highway, halfway between Old River and Middle River. Comment
  CDA9729  Phyla nodiflora Jim Allan 2007-6-25 PDR# 1431930 San Joaquin Stockton; 1868 E. Hazelton. Comment
  RSA82208  Phyla nodiflora Annetta Carter 1933-5-12 303 San Joaquin About 5 miles west of Thornton. Comment
  UC25120  Phyla nodiflora F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CDA40719  Phyla nodiflora var. incisa T. C. Fuller 1960-5-17 4362 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  JEPS39019  Phyla nodiflora var. nodiflora W. L. Jepson 1923-10-22 10281 San Joaquin San Joaquin City; San Joaquin River, San Joaquin City Comment
  CDA3315  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CAS-BOT-BC76933  Pilularia americana John Thomas Howell 1930-4-12 4683 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  UC810867  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 mi s Galt 15 Comment
  CDA42737  Pilularia americana T. C. Fuller 1962-5-1 8341 San Joaquin North side of Ione Road, across from old school, ca. 2 miles north of Clements. 0 Comment
  SEINET3237740 Image available Piptatherum miliaceum Cindy Roche 2006-6-11 San Joaquin At Thornton exit along Interstate 5 about halfway between Stockton and Sacramento. East side of Freeway. 20 Comment
  JEPS90183  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin Livermore National Laboratory, in far northwestern corner of lab site 300 Livermore National Laboratory; Inner South Coast Ranges, Livermore National Laboratory 458 Comment
  RSA8529  Plagiobothrys acanthocarpus J. T. Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  UC1540210  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin near n boundary Livermore National Laboratory, Site 300; Inner South Coast Ranges 304 Comment
  UC517460  Plagiobothrys acanthocarpus John Thomas Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  JEPS60925  Plagiobothrys austiniae W. L. Jepson 1938-4-14 18682 San Joaquin hills about headwaters of Goose Creek (ne part of co.) Comment
  UCR266203  Plagiobothrys austiniae David J. Keil 2005-3-13 30355 San Joaquin Sierra Nevada Mountains, just west of Amador County line along CA Route 88, 5.5 miles northeast of Mokelumne River bridge 82 Comment
  UC1051629  Plagiobothrys bracteatus Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1989 San Joaquin about 2 mi e Collegeville (on road toward Valley Home) Comment
  UC604931  Plagiobothrys canescens Roxana S. Ferris 1938-4-15 9406 San Joaquin near gravel pit at the mouth of Corral Hollow Corral Hollow Comment
  UC766398  Plagiobothrys canescens R. F. Hoover 1938-4-9 3039 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC767999  Plagiobothrys canescens R. F. Hoover 1938-2-27 2796 San Joaquin Castle Rock Corral Hollow Comment
  UC78029  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy Comment
  JEPS68027  Plagiobothrys canescens W. L. Jepson 1922-4-2 9561 San Joaquin gravelly flat Mt. Hamilton Range, Corral Hollow 152 Comment
  RSA135449  Plagiobothrys fulvus var. campestris Volney Rattan 1885-06 s.n. San Joaquin Live Oaks. Comment
  UC990722  Plagiobothrys greenei Roxana S. Ferris 1953-5-15 12643 San Joaquin on road between Everett School and intersection with Bellota-Farmington Road ca 1 mi w of intersection Bellota-Farmington Road Comment
  UCR232272  Plagiobothrys humistratus George K. Helmkamp, E. A. Helmkamp 2011-3-29 17103 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  CAS-BOT-BC6466  Plagiobothrys infectivus Robert Francis Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC618417  Plagiobothrys infectivus John Thomas Howell 1938-4-10 13757 San Joaquin Hospital Canyon Comment
  UC766026  Plagiobothrys infectivus R. F. Hoover 1937-4-3 1744 San Joaquin lower end Corral Hollow Comment
  UC25055  Plagiobothrys nothofulvus J. A. Sanford 1890-1 212 San Joaquin French Camp Comment
  UCR70798  Plagiobothrys nothofulvus E. E. Stanford 1928-3-20 0816 San Joaquin Near Peters Comment
  UC100846  Plagiobothrys shastensis F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC78187  Plagiobothrys stipitatus C. F. Baker 1903-4-27 2788 San Joaquin Bethany Comment
  POM146113  Plagiobothrys stipitatus E. E. Stanford 1927-3-17 112 San Joaquin Near Stockton. Comment
  CDA19659  Plagiobothrys stipitatus var. micranthus G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1174 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  POM64764  Plagiobothrys stipitatus var. micranthus C. F. Baker 1903-4-27 2788 San Joaquin Bethany. Comment
  UC61141  Plagiobothrys stipitatus var. micranthus H. P. Fitch 1889-4-25 San Joaquin Stockton Comment
  POM196012  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1928-4-7 852 San Joaquin Near Collegeville. Comment
  JEPS13213  Plagiobothrys stipitatus var. stipitatus Rimo Bacigalupi with G. T. Robbins 1955-5-5 4992 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  RSA135445  Plagiobothrys tenellus Volney Rattan 1877-03 s.n. San Joaquin Live Oaks Comment
  UC571928  Plagiobothrys tenellus C. W. and H. K. Sharsmith 1935-3-3 1487 San Joaquin open hillslope at eastern end Corral Hollow; Mt. Hamilton Range 228 Comment
  UC59632  Plagiobothrys tenellus Mrs. Bush March, 1903 San Joaquin Lathrop Comment
  UC766027  Plagiobothrys tenellus R. F. Hoover 1938-2-27 2799 San Joaquin Castle Rock Corral Hollow Comment
  UC24574  Plagiobothrys trachycarpus J. A. Sanford 1890-1 100 San Joaquin French Camp Comment
  UC79223  Plagiobothrys trachycarpus E. L. Greene 1884-4-21 San Joaquin near Tracy Comment
  CHSC79271  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC767623  Plagiobothrys undulatus R. F. Hoover 1937-6-10 2398 San Joaquin 2 mi n Linden Comment
  CAS-BOT-BC60817  Planodes virginica John Thomas Howell 1930-4-12 4684 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  OBI60004  Plantago erecta Joseph Andorfer Ewan 1934-3-4 8615 San Joaquin 2 mi E Carnegie, Corral Hollow Comment
  UC28040  Plantago erecta J. A. Sanford 1890-1 397 San Joaquin Waverly Comment
  UCD124462  Plantago erecta June McCaskill; Jack Major 1958-4-10 553 San Joaquin north side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camanche). 60 Comment
  UC66839  Plantago lanceolata N. K. Berg 1904-11-18 San Joaquin Rough & Ready Island Stockton Comment
  UCR235294  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2011-11-21 18477 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  JEPS7144  Plantago major W. L. Jepson 1923-10-22 10272 San Joaquin Union Island Lower San Joaquin River Comment
  UC28016  Plantago major J. A. Sanford 1890-1 San Joaquin Comment
  UC28019  Plantago major J. A. Sanford 1890-1 62 San Joaquin Stockton Comment
  UCD124366  Plantago major G. F. Hrusa; S. A. Wagner 1992-7-8 9141 San Joaquin Caswell Memorial State Park; beach below campgrounds at eastern end of park. Comment
  OBI51839  Plantago ovata Robert F. Hoover 1938-4-9 3053 San Joaquin Black Butte, at lower end of Corral Hollow Comment
  UCD143185  Platanus racemosa G. F. Hrusa; S. A. Wagner 1992-3-21 9092 San Joaquin around 75 feet in the eastern end of the park.This from the easternmost campground area. Caswell Memorial State Park. Comment
  CAS-BOT-BC6407  Platystemon californicus Charles Fuller Baker 1903-4-25 2780 San Joaquin Tracy Comment
  CAS-BOT-BC91964  Platystemon californicus Alice Eastwood 1917-4-2 s.n. San Joaquin Banta. Comment
  UC604925  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin on the Livermore Road 1/2 mi w mouth of Corral Hollow; w of mouth of Corral Hollow 152 Comment
  UC767119  Platystemon californicus Robert F. Hoover 1935-3-1 246 San Joaquin five mi s Tracy; s of Tracy Comment
  UCD96077  Platystemon californicus J. C. Tothill 1958-4-13 s.n. San Joaquin 15 miles east of Lodi, State Highway 8. 57 Comment
  RSA21627  Platystemon californicus var. californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  NY1085463  Platystemon tortuosus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  UCD33072  Pleuropogon californicus Beecher Crampton 1966-5-3 7683 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UCD90151  Pleuropogon californicus var. californicus Beecher Crampton 1966-5-3 7683 San Joaquin ca. 7 and 3/4 miles N.N.E. of Lodi, Liberty and Bruella roads. Comment
  CDA32715  Pluchea odorata P. Akers 2009-9-9 PDR# 1286189 San Joaquin At water s edge of a channel of old San Joaquin River. Approximately 8.5 miles northwest of Stockton and 3 miles east of Tinsley Island. 0 Comment
  SEINET13384119 Image available Poa annua George K. Helmkamp, Elizabeth Helmkamp 2012-1 20065 San Joaquin San Joaquin Valley: along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCD90357  Poa annua G. F. Hrusa; S. A. Wagner 1992-3-4 9082 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  UCR207842  Poa annua George K. Helmkamp, E. A. Helmkamp 2009-3-26 14454 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR253797  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20065 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCD90656  Poa bulbosa Beecher Crampton 1975-4-16 9150 San Joaquin along State Hwy. 88. Northeastern part of the county. Comment
  SEINET10602238  Poa nevadensis Charles F. Baker 1903-4-25 Baker 2776 San Joaquin Tracy, Ca. Large tufts in bottoms. Comment
  POM204944  Poa secunda E. B. Copeland 1903-4-25 2776 San Joaquin Tracy Comment
  UCD96924  Poa secunda Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6959 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UC157040  Poa secunda subsp. secunda C. F. Baker 1903-4-25 2776 San Joaquin Tracy Comment
  JEPS62435  Pogogyne douglasii W. L. Jepson 1902-5-18 1823 E San Joaquin Clements 40 Comment
  POM161949  Pogogyne douglasii Joseph P. Tracy 1921-5-25 5793 San Joaquin Farmington. 30 Comment
  RSA122031  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin 2 miles SSW of Wallace 122 Comment
  RSA424572  Pogogyne douglasii E. E. Stanford 1928-5-5 946 San Joaquin Near Peters Comment
  UC129820  Pogogyne douglasii J. A. Sanford 1909-6-6 San Joaquin Stockton Comment
  UC1035807  Polygonum amphibium var. emersum Annie M. Alexander and Louise Kellogg 1943-6-26 3455 San Joaquin Middle River Bridge San Joaquin Valley, San Joaquin River (Byron-Stockton hwy) Comment
  POM196321  Polygonum amphibium var. emersum E. E. Stanford 1929-10-25 1175 San Joaquin Near Stockton Comment
  UC463080  Polygonum amphibium var. emersum Annetta M. Carter 1931-7-29 236 San Joaquin slough near Middle R. Bridge (Borden Hwy to Stockton); San Joaquin R. Comment
  UC6644  Polygonum amphibium var. stipulaceum J. A. Sanford 1890-1 77 San Joaquin Holden Comment
  UC466072  Polygonum aviculare Katharine Brandegee Aug. 1907 San Joaquin near Lathrop; San Joaquin Bridge Comment
  UCR194985  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2007-10-13 13081 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD58738  Polygonum californicum Charlotte Kimball 2007-5-14 s.n. San Joaquin Comanche Reservoir. 1000 ft. SW of spillway. 60 Comment
  CAS-BOT-BC414349  Polygonum californicum Mrs. H. C. Cantelow 1935-5-14 826 San Joaquin Bet. Lodi and San Andreas Comment
  POM312904  Polygonum coccineum H. L. Mason 1928-9-30 4968 San Joaquin San Joaquin Delta near Holt. Comment
  JEPS74997  Polygonum hydropiper L. R. Heckard and P. Rubtzoff 1971-9-15 2806 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  UC1101177  Polygonum hydropiperoides Herbert L. Mason 1929-9-21 5442 San Joaquin Holt Alklaline Grasslands of San Joaquin Valley Comment
  UC6630  Polygonum hydropiperoides Michener and Bioletti Sept. 1892 San Joaquin San Joaquin Bridge Comment
  JEPS33278  Polygonum lapathifolium Rimo Bacigalupi, and L. Constance 1962-8-13 8716 San Joaquin e side of river just n bridge of the Durham Ferry Road (just n of site of San Joaquin City); San Joaquin River 3 Comment
  UC1101163  Polygonum lapathifolium Herbert L. Mason 1929-9-21 5440 San Joaquin Holt Alkaline Grasslands of San Joaquin Valley Comment
  UC1101164  Polygonum lapathifolium Herbert L. Mason 1928-9-30 4970 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC6723  Polygonum lapathifolium J. Burtt Davy 1893-9-13 1182 San Joaquin Stockton Comment
  PASA1504  Polygonum lapathifolium Annetta M. Carter 1931-7-29 235 San Joaquin San Joaquin R. slough near Middle R. Bridge, Borden Hiway to Stockton Comment
  JEPS77904  Polygonum persicaria Edward Lee 1934-7-4 956 San Joaquin Holt Comment
  UCR63953  Polygonum persicaria L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UC6755 Image available Polygonum ramosissimum J. Burtt Davy 1893-11-11 1199 San Joaquin Stockton Comment
  CAS-BOT-BC233031  Polypogon interruptus E. E. Stanford 1930-5-10 1469 San Joaquin French Camp road near Summer Home Comment
  CAS-BOT-BC232554  Polypogon monspeliensis E. E. Stanford 1926-10-23 80 San Joaquin Stockton. On campus Comment
  POM147757  Polypogon monspeliensis E. E. Stanford 1927-4-27 199 San Joaquin Louis Park, Stockton. Comment
  UC964751  Polypogon monspeliensis R. F. Hoover 1940-12-7 4711 San Joaquin 2 mi e Midway Comment
  UCD91324  Polypogon monspeliensis G. F. Hrusa; S. A. Wagner 1992-7-8 9152 San Joaquin Caswell Memorial State Park. Comment
  UCR128230  Polypogon monspeliensis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UCR63935  Polypogon monspeliensis L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC102642  Populus fremontii Peter H. Raven; R. Ornduff; et al. 1957-3-30 10557 San Joaquin Corral Hollow Comment
  CAS-BOT-BC102644  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon Comment
  UC1099894  Potamogeton crispus Herbert L. Mason, Verne Grant 1946-8-21 13068 San Joaquin sw of Holt; Trapper's Slough Comment
  CAS-BOT-BC452127  Potamogeton crispus Herbert L. Mason; S. Galen Smith 1948-8-5 8269 San Joaquin Trapper's Slough, Robert's Island Comment
  UC564065  Potamogeton diversifolius Ira L. Wiggins 1934-8-17 6978 A San Joaquin 3.2 mi e of Escalon (on Yosemite Highway) Comment
  CAS-BOT-BC453828  Potamogeton nodosus L. R. Abrams 1917-9-14 6745 San Joaquin 4 mi north of Stockton, Stockton-Sacramento Rd. Comment
  UC1125580  Proboscidea louisianica subsp. louisianica B. Schreiber 1937-8-22 2463 San Joaquin Lockeford Lockeford Quadrangle 30 Comment
  UC1745889  Proboscidea louisianica subsp. louisianica Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1329 San Joaquin Between Clements & Lockford. Comment
  UC766953  Proboscidea louisianica subsp. louisianica Robert F. Hoover 1936-7-31 1583 San Joaquin Farmington Comment
  SD239813  Proboscidea lutea George K. Helmkamp, E. A. Helmkamp 2011-10-15 18438 San Joaquin San Joaquin Valley: along CA-4, 0.4 mile east of Farmington (Farmington 7.5'Q) 41 Comment
  UCD122079  Proboscidea lutea Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2711 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  SJSU1705  Prosopis glandulosa var. torreyana C. W. Sharsmith 1955-9-11 6294 San Joaquin Corral Hollow Comment
  CDA27765  Prosopis juliflora var. torreyana A. R. Tugel 1938-6-23 San Joaquin Railroad tracks near Tracy. 0 Comment
  UCD113158  Prunus G. F. Hrusa 1992-8-26 9562 San Joaquin Caswell Memorial State Park. Comment
  UC990724  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin between Everett School and intersection with Bellota-Farmington road (ca 1 mi w of intersection) Comment
  CAS-BOT-BC356989  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin On road between Everett School and intersection with Bellota-Farmington Road, ca. 1 mile W of intersection Comment
  CAS-BOT-BC357573  Pseudognaphalium stramineum E. E. Stanford 1926-10-7 41 San Joaquin Stockton. Calavers R. bottom Comment
  POM196042  Psilocarphus brevissimus E. E. Stanford 1929-4-7 1063 San Joaquin Near Peters. Comment
  CHSC79255  Psilocarphus brevissimus var. brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  JEPS40486  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1935-6-12 645 San Joaquin Farmington San Joaquin Valley Comment
  JEPS40491  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1937-4-23 1923 San Joaquin 7 mi e Stockton Comment
  UC1070080  Psilocarphus brevissimus var. brevissimus R. D. Roseberry 1935-5-15 181 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  CAS-BOT-BC361808  Psilocarphus brevissimus var. brevissimus E. E. Stanford 1929-4-7 1036 San Joaquin Near Peters Comment
  JEPS40498  Psilocarphus brevissimus var. multiflorus Joseph P. Tracy 1921-5-25 5789 San Joaquin Farmington 30 Comment
  CAS-BOT-BC361850  Psilocarphus oregonus Roxana S. Ferris 1953-5-15 12658 San Joaquin On road betw. Everett School & intersection with Bellota-Farmington road, ca. 2 mi. W of intersection Comment
  UC768472  Pterostegia drymarioides R. F. Hoover 1938-4-9 3046 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UCD96905  Pterostegia drymarioides Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6946 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  RSA604703  Quercus douglasii Louis C. Wheeler 1952-9-29 6997 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CAS-BOT-BC61615  Quercus lobata E. E. Stanford 1927-9-22 710 San Joaquin Stockton Comment
  POM147781  Quercus lobata E. E. Stanford 1927-9-22 710 San Joaquin Stockton. Comment
  RSA477319  Quercus lobata Flossie Draper 1927-9-22 3 San Joaquin Found in field near campus, College of the Pacific. Comment
  UCR77116  Quercus lobata G. Fred Hrusa 1992-8-25 9546 San Joaquin Caswell Memorial State Park. Comment
  SEINET6073857  Quercus lobata E. E. Stanford 1927-9-22 710 San Joaquin Stockton. Comment
  UCR143145  Quercus wislizeni L. S. Rose 1936-3-16 36023 San Joaquin Central Valley, Lockeford [NE of Lodi] 61 Comment
  CDA25741  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13090 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR194722  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-10-13 13090 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR253569  Quercus wislizeni var. wislizeni George K. Helmkamp 2014-3-18 22584 San Joaquin Eastern San Joaquin Valley, Collier Road, 0.2 mile west of its junction with CA-88, c. 2 miles west of Comanche Reservoir 43 Comment
  CAS-BOT-BC379189  Ranunculus aquatilis var. aquatilis Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks Comment
  UCD95905  Ranunculus bonariensis var. trisepalus Terri Williamson 1990-4-28 16 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UCR136764  Ranunculus californicus E. E. Stanford 1929-3-30 1021 San Joaquin San Joaquin Valley, Near Stockton 30 Comment
  CDA21074  Ranunculus muricatus G. F. Hrusa, S. A. Wagner 1992-8-8 9341 San Joaquin Caswell Memorial State Park. Banks of the Stanislaus River. 12 Comment
  SEINET4691430  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2010-1 15830 San Joaquin Northeast San Joaquin Valley: Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 degrees) of Clements. 47 Comment
  CDA25632  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13087 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR194716  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13087 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD115155  Raphanus raphanistrum G. F. Hrusa; S. A. Wagner 1992-3-22 9065 San Joaquin Caswell Memorial State Park. Comment
  CDA25212  Raphanus sativus G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14233 San Joaquin San Joaquin Valley; Junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, northeast of Lodi. Comment
  UCR201934  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14233 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR232213  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17073 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UC18592  Rhamnus tomentella subsp. tomentella J. A. Sanford 1890-1 San Joaquin Comment
  CAS-BOT-BC92422  Ribes aureum var. gracillimum John Thomas Howell 1938-4-10 13760 San Joaquin Hospital Canyon. Comment
  CDA25565  Ribes quercetorum T. C. Fuller 1971-4-21 19838 San Joaquin Inner Coast Ranges; Lone Tree Creek Canyon. 0 Comment
  POM196261  Rorippa curvisiliqua E. E. Stanford 1928-5-16 1013 San Joaquin Stockton, Calaveras River bottom Comment
  UC117552  Rorippa curvisiliqua var. occidentalis Michener and Bioletti Apr 1892 San Joaquin Tracy Comment
  JEPS75002  Rorippa palustris L. R. Heckard and P. Rubtzoff 1971-9-15 2804 San Joaquin ca 7 mi s.w. Manteca (along Airport Way 2.6 mi s. of junction of West Ripon Rd.) Comment
  UCR88057  Rorippa palustris subsp. occidentalis Peter Rubtzoff 1965-7-13 5576 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UCD115317  Rorippa palustris subsp. palustris G. F. Hrusa; S. A. Wagner 1992-7-8 9144 San Joaquin Caswell Memorial State Park. Comment
  JEPS75001  Rorippa palustris var. occidentalis L. R. Heckard and P. Rubtzoff 1971-9-15 2804 San Joaquin ca 7 mi s.w. Manteca (irrigation ditch along Airport Way 2.6 mi s. of junction of West Ripon Rd.) Comment
  CDA25136  Rorippa palustris var. occidentalis Croce 1962-3-16 San Joaquin Woodbridge Irrigation district. 0 Comment
  UC12855  Rosa californica Ivar Tidestrom 1893-11-13 San Joaquin between Stockton and Tracy (roadsides near river); San Joaquin R. Comment
  UC173118  Rosa californica Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  UCD113767  Rubus armeniacus G. F. Hrusa 1992-8-26 9519 San Joaquin Caswell Memorial State Park, to the south of the entrance gate, along road into the campgrounds. Comment
  UCD89027  Rubus ursinus Lindsay Clark 2008-5-8 CSP 2 A San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Follow trail with 'no lifeguard' sign to picnic area, bear right. Next to first spigot on the right. 14 Comment
  SEINET6077276  Rumex conglomeratus E. E. Stanford 1930-5-31 1548 San Joaquin North of Stockton. Comment
  CAS-BOT-BC421603  Rumex crispus E. E. Stanford 1927-5-26 435 San Joaquin Stockton Comment
  CAS-BOT-BC433765  Rumex pulcher Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  POM146165  Rumex salicifolius var. denticulatus E. E. Stanford 1927-5-26 436 San Joaquin Stockton. Comment
  CAS-BOT-BC445717  Sagittaria latifolia Brian Atwater 1978-8-24 BA- 105 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  UC935759  Sagittaria latifolia Herbert L. Mason 1928-9-30 4960 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta near Holt Comment
  UC935760  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 693 San Joaquin 1/4 mi w Stockton Comment
  UC935735  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-9-12 13126 San Joaquin Roberts Island; Borden Highway near Dagget Road Comment
  UC935747  Sagittaria montevidensis subsp. calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin irrigation canal 1/4 mi w Stockton Comment
  UC935751  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-8-21 13057 San Joaquin between Banta and Stockton Comment
  SEINET8470474 Image available Sagittaria montevidensis subsp. calycina Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 miles east of Escalon Comment
  UC550  Sagittaria sanfordii J. A. Sanford Sept 1901 San Joaquin Stockton Comment
  POM196032  Salix alba E. E. Stanford 1929-3-26 1019 San Joaquin San Joaquin River. Comment
  POM146137  Salix babylonica E. E. Stanford 1927-3-11 101 San Joaquin Point Lewis, Stockton Comment
  CAS-BOT-BC129666  Salix bonplandiana E. E. Stanford 1928-3-29 836 San Joaquin Calaveras River Comment
  POM196188  Salix exigua E. E. Stanford 1928-4-30 943 San Joaquin Stockton. Calaveras River bottom. Comment
  RSA181501  Salix exigua I. L. Wiggins 1964-5-26 19017 San Joaquin Beside old channel of San Joaquin River. Between Tracy and Manteca. Comment
  RSA181506  Salix exigua I. L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  UC446384  Salix exigua var. hindsiana J. A. Sanford 65 San Joaquin Stockton Comment
  CAS-BOT-BC107860  Salix gooddingii E. E. Stanford 1930-4-12 1275 San Joaquin Near Manteca Comment
  POM196336  Salix gooddingii E. E. Stanford 1928-5-12 1016 San Joaquin Sacramento Road. Near Sacramento Co Line. Comment
  UC1134876  Salix gooddingii R. D. Roseberry 1935-5-14 177 San Joaquin 3 mi s.w Bald Mt.; Jackson Quadrangle Comment
  UC437352  Salix gooddingii J. A. Sanford 68 San Joaquin Stockton Comment
  UC437353  Salix gooddingii J. A. Sanford San Joaquin Stockton Comment
  UCD110958  Salix gooddingii G. F. Hrusa; S. A. Wagner 1992-4-22 9251 San Joaquin Caswell Memorial State Park. South side of Stanislaus River. Comment
  UCD110959  Salix gooddingii G. F. Hrusa; S. A. Wagner 1992-4-22 9271 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC108238  Salix hindsiana E. E. Stanford 1928-4-30 942 San Joaquin Stockton, in sand in Calaveras River bottom Comment
  CAS-BOT-BC108242  Salix hindsiana Ira L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mi. W. of main channel of San Joaquin River, between Tracy & Manteca Comment
  CAS-BOT-BC108244  Salix hindsiana Barrett Anderson 1987-7-15 3558 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  POM196280  Salix laevigata E. E. Stanford 1928-3-20 830 San Joaquin Near Peters 30 Comment
  POM362647  Salix laevigata C. R. Quick 1929-4-22 s.n. San Joaquin Calaveras River N of campus. Comment
  CAS-BOT-BC125358  Salix lasiandra var. lasiandra E. G. Dudley 1912-8-20 19 San Joaquin [Heiss] Heitz Meadow near Rube Creek, South Fork of San Joaquin River Comment
  CAS-BOT-BC125360  Salix lasiandra var. lasiandra Brian Atwater 1979-3-17 BA- 181 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  POM147995  Salix lasiolepis E. E. Stanford 1928-2-6 779 San Joaquin Near Stockton. Near Calaveras River. Comment
  POM281349  Salix lasiolepis Lyman D. Benson 1931-2-21 2594 San Joaquin Walnut Grove. N fork Mokelumne River. Near sea level. 0 Comment
  UC499338  Salix lasiolepis Annetta M. Carter 1933-3-12 270 San Joaquin 0.5 mi sw Holt (by slough) Comment
  UCD111624  Salix lasiolepis G. F. Hrusa; S. A. Wagner 1992-3-22 9062 San Joaquin Caswell Memorial State Park. Stanislaus River. Comment
  UCR232200  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17072 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  CAS-BOT-BC107370  Salix lasiolepis var. lasiolepis Brian Atwater 1979-3-17 BA- 179 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  CAS-BOT-BC107384  Salix lasiolepis var. lasiolepis E. E. Stanford 1928-2-19 780 San Joaquin Near Stockton, near Calaveras River Comment
  CDA5802  Salpichroa origanifolia T. C. Fuller, M. Switzenberg 1959-8-2 2595 San Joaquin Escalon Road, north of Farmington. 0 Comment
  CDA20235  Salsola australis P. Akers 2003-10-3 B 106 San Joaquin San Joaquin Valley; N of Tracy, 0.25 mi NW of old Holly Sugar plant at Sugar and Holly Rds. 0 Comment
  CDA9299  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18527 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA9300  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18528 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA20621  Salsola tragus G. F. Hrusa 2005-11-14 16840 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  CDA20622  Salsola tragus G. F. Hrusa 2005-11-14 16841 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  CDA20808  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. at bridge just S of 8 Mile Rd. 0 Comment
  CDA20809  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Roadside colony at bridge just S of 8 Mile Rd. Annual, 3 ft. tall and as wide. Seed collection voucher RT05-24a. 0 Comment
  RSA17958  Salsola tragus C. B. Wolf 1927-6-24 s.n. San Joaquin 3 miles west of Manteca Comment
  UCR247343  Salsola tragus Pat Akers 2002-10-9 RT- 021 -01 San Joaquin Just east if I-5 on Iron Canyon Circle at Windcave Rd., between Pixley Slough and Bear Creek, 7 miles NW of Stockton 12 Comment
  CAS-BOT-BC180691  Salsola tragus E. E. Stanford 1927-8-18 679 San Joaquin Waste field near Mormon Channel, Stockton Comment
  CAS-BOT-BC180693  Salsola tragus Alice Eastwood 1927-5-19 14447 San Joaquin Byron Springs Comment
  POM147746  Salsola tragus E. E. Stanford 1927-8-18 679 San Joaquin Stockton; waste field near Mormon Channel. Comment
  RSA444946  Salsola tragus E. E. Stanford 1930-5-28 1527 San Joaquin Lincoln Highway near French Camp Comment
  JEPS62544  Salvia carduacea W. L. Jepson 1896-6-27 14941 San Joaquin between Mossdale School and Atlanta (e of river) Comment
  JEPS97684  Salvia carduacea Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 787 San Joaquin Near Castle Rock. 19 mi. from Livermore on Tesla Rd. Comment
  UC614854  Salvia carduacea Beryl O. Schreiber 1932-3-27 143 San Joaquin near Midway Comment
  UC762492  Salvia mellifera R. F. Hoover 1938-2-27 2794 San Joaquin Castle Rock; Corral Hollow Comment
  CDA40975  Salvia mellifera T. C. Fuller 1962-4-24 8215 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CAS-BOT-BC238596  Sambucus nigra subsp. caerulea Barrett Anderson 1987-7-15 3556 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota 35 Comment
  UCD143428  Sambucus nigra subsp. caerulea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  UC673389  Samolus parviflorus Herbert L. Mason 1929-9-9 5424 San Joaquin Holt Comment
  POM264781  Sanicula bipinnata Lincoln Constance 1941-4-19 2806 San Joaquin Corral Hollow, 1 mile North of Castle Rock 320 Comment
  UC660000  Sanicula bipinnata Lincoln Constance, R. F. Hoover 1941-4-19 2806 San Joaquin 1 mi n of Castle Rock (Corral Hollow); Corral Hollow 320 Comment
  CAS-BOT-BC223226  Sanicula bipinnatifida Volney Rattan 1885-3-1 s.n. San Joaquin Live Oaks Comment
  UC683296  Schoenoplectus acutus Alan A. Beetle 1940-4-21 2616 San Joaquin 3.8 mi across Victoria Island (10 mi w of Stockton); w of Stockton, Victoria Island Comment
  CAS-BOT-BC111293  Schoenoplectus acutus var. occidentalis Brian Atwater 1978-8-24 BA- 108 San Joaquin Between Rindge Tract and Wright Tract Comment
  CAS-BOT-BC111384  Schoenoplectus acutus var. occidentalis LeRoy Abrams 1920-9-30 7783 San Joaquin Near Banta Comment
  CAS-BOT-BC7628  Schoenoplectus acutus var. occidentalis Verne Grant; Herbert L. Mason 1946-8-21 13070 San Joaquin Middle River Bridge, Victoria Island. Comment
  CHSC68455  Schoenoplectus acutus var. occidentalis L. P. Janeway 1987-7-10 2483 San Joaquin Near southwest corner of Hwy 12 and Guard Road, 1.5 mi west of Hwy I-5 and about 6 mi north of Stockton. 1 Comment
  CAS-BOT-BC111295  Schoenoplectus acutus var. occidentalis Ernest Elwood Stanford 1927-5-26 431 San Joaquin Stockton. In sand in Calaveras River bottom. Comment
  RSA366088  Schoenoplectus fluviatilis Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  UC766216  Scirpus acutus var. occidentalis Robert F. Hoover 1935-1-10 54 San Joaquin near Ripon; near Ripon Comment
  SEINET10602608  Scribneria bolanderi E. E. Stanford 1930-12-4 Stanford 1282 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton. Roadsides; out of range according to Jepson. Comment
  CAS-BOT-BC214215  Scutellaria bolanderi Volney Rattan 1885-6-5 s.n. San Joaquin Mokelumne Hill Comment
  JEPS120463  Scutellaria lateriflora Daniel Slakey 2013-8-24 65 San Joaquin Sacramento/San Joaquin River Delta, on the eastern edge of a small island just west of Islemouth Slough and Westgate Landing County Park. Comment
  UC104313  Scutellaria lateriflora T. S. Brandegee 1892-9-6 San Joaquin Bouldin Island Comment
  UCD92554  Secale cereale T. C. Fuller 1969-5-20 18477 San Joaquin south side of Lathrop Rd., 0.1 mile west of Union Road, 2 miles east of Lathrop. Comment
  UCD101988  Sedella pumila D. E. Schmidt 1960-4-9 31 San Joaquin outside of Linden, 5 miles east of State Highway 8. Comment
  POM5312  Senecio flaccidus var. douglasii J. A. Sanford 249 San Joaquin Knight's Ferry Comment
  UCD135819  Senecio vulgaris G. F. Hrusa; S. A. Wagner 1992-3-4 9069 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  CDA20490  Sesbania punicea R. Brackenridge 2004-6-24 PDR 1293004 San Joaquin San Joaquin Valley; Steamboat Slough. 0 Comment
  CDA34401  Sesbania punicea E. Finley 1989-6-14 PDR 784224 San Joaquin Stockton Deep Water channel. 0 Comment
  JEPS42888  Sesuvium verrucosum W. L. Jepson 1896-6-27 San Joaquin below Banta and Lathrop Comment
  JEPS42889  Sesuvium verrucosum Michener and Bioletti 1891-8-30 San Joaquin Comment
  SEINET7896513  Sesuvium verrucosum Rimo Bacigalupi, L. Constance 1962-1 8721 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road, just north of town of Lathrop 5 Comment
  UC1745567  Sesuvium verrucosum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 681 San Joaquin Holt. Comment
  UCD69390  Sesuvium verrucosum J. Wycoff 1997-8-1 s.n. San Joaquin North of the city of Modesto, east of hwy 99, near the intersection of Dodds and Van Allen roads, agricultural fields of Faria Dairy. Comment
  CAS-BOT-BC243639  Setaria pumila Herbert L. Mason; Verne Grant 1946-9-12 13127 San Joaquin Borden Highway near Dagget Road, Roberts Island Comment
  RSA789504  Setaria pumila George K. Helmkamp, E. A. Helmkamp 2011-10-15 18433 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UC1100460  Setaria pumila Herbert L. Mason 1946-9-12 13127 San Joaquin slough s. of main ditch, Borden Hwy., near Dagget Rd., Roberts Isl. Roberts Isl. Comment
  UCR232687  Setaria pumila George K. Helmkamp, E. A. Helmkamp 2011-10-15 18433 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC240164  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin Calaveras River basin, 2 miles northeast of Linden Comment
  UCD37054  Setaria verticillata Beecher Crampton 1956-7-31 3761 San Joaquin San Joaquin County, 1.5 miles south of city of Lodi, along State Highway 12. Comment
  UCD92813  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin 2 miles northeast of Linden, Calaveras River Basin. Comment
  UCD92814  Setaria verticillata Beecher Crampton 1956-7-31 3761 San Joaquin 1.5 miles south of city of Lodi, along State Highway 12. Comment
  RSA115223  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 mi southwest of Lodi Comment
  SEINET246026 Image available Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi Comment
  UCD33006  Setaria viridis Beecher Crampton 1965-10-26 7552 San Joaquin San Joaquin County, 1.5 miles north of Lodi on US Hwy. 99. Comment
  UCD92833  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin 0.75 mile south of Thornton. Comment
  UCD92855  Setaria viridis G. F. Hrusa; S. A. Wagner 1992-8-9 9347 San Joaquin Caswell Memorial State Park. Comment
  JEPS88942  Sibara virginica J. Burtt Davy 1893-11-13 San Joaquin Stockton Comment
  UC135982  Sibara virginica Michener and Bioletti April 1892 San Joaquin Tracy Comment
  UC18868  Sidalcea diploscypha J. A. Sanford 1890-1 349 San Joaquin Stockton Comment
  UC763048  Sidalcea diploscypha R. F. Hoover 1937-5-18 2184 San Joaquin French Camp Comment
  UC1191165  Sidalcea hirsuta Herbert L. Mason 1928-5-3 4451 San Joaquin 4 mi n Clements; n of Clements Comment
  UCD116577  Sidalcea hirsuta Marvin L. Nies 1951-5-4 55 San Joaquin 7 miles east of Lodi on Harney Lane. Comment
  CAS-BOT-BC386889  Silene gallica Gladys L. Smith 1959-5-1 1062 San Joaquin near Wallace, Hwy. 12 60 Comment
  CAS-BOT-BC386890  Silene gallica E. E. Stanford 1930-4-26 1440 San Joaquin Wheatland Rd. Comment
  UCD98673  Silene gallica Marvin Nies 1951-5-4 59 San Joaquin 6 miles east of Lodi. Comment
  CAS-BOT-BC74916  Sinapis arvensis J. F. Rock 1917-6-1 s.n. San Joaquin Near Stockton. Comment
  CAS-BOT-BC74917  Sinapis arvensis E. E. Stanford 1926-10-12 52 San Joaquin Near Stockton. Comment
  CAS-BOT-BC75194  Sisymbrium irio John Thomas Howell 1938-4-10 13750 San Joaquin Tracy. Comment
  CDA19472  Sisymbrium officinale M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 205 San Joaquin Sacramento Valley; Coyote Creek tributary riparian zone, on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  SD240949  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2012-4-7 18723 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs 7.5'Q) 52 Comment
  UCD115749  Sisymbrium officinale M. I. Wibawa; G. F. Hrusa, J. Naughton 2002-5-15 205 San Joaquin California: San Joaquin Valley, Coyote Creek, on Dustin Road, 0.1 mile north of Liberty Road, near Acampo. 7 Comment
  RSA431754  Sisymbrium officinale Clarence R. Quick 1929-4-22 s.n. San Joaquin North of Campus. Stockton. Calaveras River bottom. Comment
  UCR142979  Sitanion jubatum E. E. Stanford 1930-5-25 1523 San Joaquin Sacramento Valley, Harney Lane [Lodi] Comment
  UC21391  Sium suave Edw. L. Greene 1890-1 San Joaquin Stockton Comment
  JEPS12057  Solanum americanum W. L. Jepson 1923-10-22 10271 San Joaquin lower San Joaquin River, Union Island San Joaquin River; Union Island, San Joaquin River Comment
  UCD126007  Solanum americanum G. F. Hrusa; S. A. Wagner 1992-4-22 9247 San Joaquin Caswell Memorial State Park. Comment
  CDA5918  Solanum aviculare Jackson 1958-5-13 376 -58 San Joaquin Stockton. 0 Comment
  CDA5919  Solanum aviculare J. F. Silva 1961-6-7 San Joaquin Escalon. 0 Comment
  RSA18393  Solanum douglasii Carl B. Wolf 1927-6-23 514 San Joaquin 1 mile east of Rippon [Ripon], Stanislaus River Bottom. Comment
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Sep 17 2012
  CDA6227  Solanum sarrachoides T. C. Fuller 1958-7-3 1101 -58 San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  CAS-BOT-BC156488  Solanum umbelliferum A. Eastwood; J. T. Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  CAS-BOT-BC156838  Solanum umbelliferum V. Rattan 1877-3-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC385870  Solidago canadensis Brian Atwater 1894-7-1 BA- 23 San Joaquin Between Quinby Island and Granks Tract Comment
  CDA8728  Solidago canadensis subsp. elongata J. B. Gianelli 1977-9-15 San Joaquin F. W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  CDA39031  Solidago velutina subsp. californica D. G. Kelch 2011-10-4 11 .835 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UCD136084  Solidago velutina subsp. californica E. M. Johnston 1915-1 63 -J San Joaquin San Joaquin River. Comment
  RSA474116  Sonchus oleraceus R. Reynolds 1927-10-13 48 San Joaquin Stockton Comment
  CAS-BOT-BC236524  Sorghum bicolor J. H. Thomas 1961-7-13 9596 B San Joaquin Along Highway 120 between Tracy and Manteca, about 1mile west of the San Joaquin River 9 Comment
  CDA2501  Sorghum halepense T. C. Fuller 1961-9-13 6996 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  RSA383727  Sparganium eurycarpum E. E. Stanford 1930-5-13 1482 San Joaquin Roberts Island. Comment
  CDA18780  Spergula arvensis Skip Sadler 2000-2-2 PDR 005222 San Joaquin NE corner of Peach and Oleander, Manteca. 0 Comment
  SEINET3409732 Image available Spergula arvensis P. O. Schallert 1945-2-27 s.n. San Joaquin Field near Stockton, California. Comment
  SEINET7040101  Spergularia arvensis A. G. Vestal 1963-5-27 s.n. San Joaquin Ca 7.7 miles east of Linden on Route 8. Valley Springs SW Quad. UTM Zone 10, 675782mE, 4215039mN. Comment
  CAS-BOT-BC390247  Spergularia macrotheca var. leucantha E. E. Stanford 1927-4-12 150 San Joaquin Near Stockton Comment
  CAS-BOT-BC390248  Spergularia macrotheca var. leucantha E. E. Stanford 1928-4-5 838 San Joaquin Stockton Comment
  UC465942  Spergularia macrotheca var. leucantha Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  RSA0098416  Spergularia macrotheca var. leucantha C. R. Quick 1929-4-13 s.n. San Joaquin Stockton; in fields near campus. Comment
  CAS-BOT-BC390748  Spergularia marina E. E. Stanford 1930-5-12 1479 San Joaquin Robert's Island Comment
  RSA0097697  Spergularia marina J. T. Howell 1932-9-2 10792 San Joaquin Holt. Comment
  UCR63936  Spergularia rubra L. F. LaPre 1990-6-6 s.n. San Joaquin Borden Ranch, c. 2.25 (airline) north of Liberty Road, and c. 1 mi. (airline) south of Dry Creek, along an unnamed ranch road. Comment
  RSA135331  Spiranthes porrifolia Volney Rattan 1885-6-5 s.n. San Joaquin Mokelumne Ditch, Rattans Ranch. Comment
  UC767693  Sporobolus airoides R. F. Hoover 1937-5-18 2180 San Joaquin near Lathrop Comment
  UCD33007  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  UCD93112  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  UCD93113  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  CDA2522  Sporobolus indicus J. F. Silva 1963-7-25 San Joaquin George Stockton property, Grooms Road, ca. 5 miles northeast of Escalon. 0 Comment
  UCD78015  Sporobolus indicus Robert E. Preston 2004-9-3 2292 San Joaquin Ca. 9.9 miles NE of Lodi, along Liberty Rd, 0.1 mile E of Coyote Creek 30 Comment
  UCD93142  Sporobolus indicus R. S. Baskett 1971-8-9 s.n. San Joaquin Dayton Johnson place, 1.5 miles S of US Hwy. 88 and 1/4 mile W of Atkins Road, ca. 2 miles SW of Clements. Comment
  UCD93167  Sporobolus indicus J. F. Silva 1963-7-25 s.n. San Joaquin Ca. 5 miles NE of Escalon. Geo. Stockton prop., Grooms Road. Comment
  RSA446591  Stachys ajugoides E. E. Stanford 1930-5-5 1538 San Joaquin Durham Ferry Road. Comment
  UC157921  Stachys albens J. A. Sanford 229 San Joaquin Robert's Island Comment
  UC635689  Stachys albens H. L. Mason 1929-9-9 5427 San Joaquin Holt Comment
  UC761970  Stachys albens R. F. Hoover 1935-8-3 703 San Joaquin 5 mi sw Ripon; Stanislaus River Comment
  CDA41025  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  CDA41026  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  CDA41027  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  RSA289939  Stachys albens W. L. Jepson 1913-11-22 5697 San Joaquin Middle River, lower San Joaquin. Comment
  SEINET13948000 Image available Stachys albens George Neville Jones 1967-1 46097 San Joaquin along irrigation ditch near Manteca Comment
  UC463081  Stachys albens Annetta M. Carter 1931-7-29 234 San Joaquin slough near Middle River bridge (Borden Highway); San Joaquin River Comment
  UCD99421  Stellaria media G. F. Hrusa; S. A. Wagner 1992-3-21 9074 San Joaquin Caswell Memorial State Park; with the campground and picnic areas. Comment
  JEPS51113  Stellaria nitens W. L. Jepson 1922-4-2 9591 San Joaquin near Tracy Comment
  CAS-BOT-BC395081  Stellaria nitens Volney Rattan 1886-3-17 s.n. San Joaquin on the Mokelumne River Live Oaks Comment
  UC35825  Stephanomeria virgata subsp. pleurocarpa F. T. Bioletti 1891-8-30 San Joaquin Lathrop Comment
  CDA24599  Stylomecon heterophylla T. C. Fuller 1962-4-24 8226 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  POM149334  Stylomecon heterophylla C. F. Baker 1903-4-27 2819 San Joaquin Bethany Comment
  UC50120  Stylomecon heterophylla H. P. Fitch 1883-1 132 San Joaquin Stockton Comment
  JEPS59890  Suaeda calceoliformis W. L. Jepson 1896-6-27 San Joaquin a mile or more beyond the San Joaquin Bridge on road to Atlanta Comment
  RSA135312  Suaeda moquinii Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  UC767689  Suaeda moquinii R. F. Hoover 1937-6-9 2395 San Joaquin 4 mi n Manteca Comment
  CDA34341  Suaeda moquinii E. Finley 1995-7-11 s.n. San Joaquin Dept. of Water Resources facility near Tracy. 0 Comment
  UCD134107  Symphyotrichum chilense G. F. Hrusa 1992-8-26 9558 San Joaquin Caswell Memorial State Park. Comment
  SJSU11815  Symphyotrichum lanceolatum var. hesperium E. D. Show 1971-11-20 169 San Joaquin bank of irrigation ditch 2 mi N of Escalon 36 Comment
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Aug 21 2007
  CAS-BOT-BC98598  Symphyotrichum lentum L. R. Abrams 1917-9-14 6746 San Joaquin Eight miles south of Woodbridge Comment
  JEPS33280  Symphyotrichum spathulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8718 San Joaquin bottom of Stockton Diverting Canal, just n of bridge xing of Copperopolis Rd 10 Comment
  UC29903  Symphyotrichum spathulatum J. Burtt Davy 1893-11-13 1176 San Joaquin Stockton Comment
  UC893616  Symphyotrichum spathulatum L. R. Abrams 1920-9-30 7788 San Joaquin near Banta Comment
  JEPS31949  Symphyotrichum subulatum W. L. Jepson 1923-10-22 10273 San Joaquin Union Island Lower San Joaquin River, Union Island Comment
  JEPS33271  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Road Mage Blvd. 12 Comment
  JEPS82224  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Rd, 3.7 mi e of San Joaquin River Bridge Maze Blvd. 12 Comment
  CAS-BOT-BC98288  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  CAS-BOT-BC98290  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  SJSU1018  Tamarix parviflora M. Esch 1950-5-1 San Joaquin c. 16 mi W of Stockton on Hwy 4 Comment
  SEINET5713419  Taraxacum officinale Marilyn Bajada 1966-1 1 San Joaquin 2 miles north of Manteca; Manteca Comment
  JEPS31826  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9560 San Joaquin Corral Hollow Mt. Hamilton Range Comment
  CAS-BOT-BC66608  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66614  Thysanocarpus curvipes Frank W. Gould 1940-3-12 882 San Joaquin Opposite Castle Rock, Corral Hollow, Mount Hamilton Range. 198 Comment
  JEPS23934  Thysanocarpus curvipes unknown Mar 1883 San Joaquin Live Oaks Comment
  JEPS54192  Thysanocarpus curvipes F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC1055820  Thysanocarpus curvipes Frank W. Gould 1940-3-12 882 San Joaquin opposite Castle Rock (Corral Hollow); Mt. Hamilton Range, , oppos Castle Rovk 198 Comment
  UC14312  Thysanocarpus curvipes J. A. Sanford 1890-1 195 San Joaquin Stockton Comment
  RSA0041663  Thysanocarpus curvipes var. elegans Volney Rattan 1883-03 s.n. San Joaquin Live Oaks, near Lodi. Comment
  JEPS54223  Thysanocarpus radians W. L. Jepson 1929-4-28 15200 San Joaquin Clements , ne of Red Hills (ne of Red Hills) 60 Comment
  UCR232266  Thysanocarpus radians George K. Helmkamp, E. A. Helmkamp 2011-3-12 17078 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  CAS-BOT-BC67263  Thysanocarpus radians W. P. Steinbeck 1923-5-9 s.n. San Joaquin Near Clements. Comment
  RSA0041648  Thysanocarpus radians Russell S. Woglum 1941-4-27 2982 San Joaquin Lodi. Comment
  UCD33918  Thysanocarpus radians Beecher Crampton 1975-4-16 9142 San Joaquin 5 miles NNE of Lockeford along Liberty Road. Comment
  CAS-BOT-BC172886  Toxicodendron diversilobum Rattan 1886-6-1 s.n. San Joaquin Live Oaks of Mokelumne Riv. Comment
  CDA25234  Tribulus terrestris G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13094 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  CDA4743  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley 0 Comment
  NY643420  Tribulus terrestris V. Alexson 1964-6-18 46 San Joaquin Nr. East of Stockton Comment
  CAS-BOT-BC33710  Trichocoronis wrightii C. H. Michener; Frederick Theodore Bioletti 1892-9-9 s.n. San Joaquin San Joaquin Bridge Comment
  OBI43825  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin Along Hwy I-5, 0.7 mi N of the Hospital Crk bridge and 2.2 I N of the Stanislaus Co line 76 Comment
  SEINET13948211 Image available Trichostema lanceolatum C. R. Quick 1952-1 53 -342 San Joaquin Rolling plains, 6 miles NE of Linden Comment
  UCR128290  Trifolium Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UC555489  Trifolium albopurpureum var. dichotomum H. L. Mason 1932-3-19 6836 San Joaquin 2 mi e Midway Comment
  SEINET3524115 Image available Trifolium amplectens Lewis S. Rose 1938-4-26 38205 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  SJSU7999  Trifolium ciliolatum H. B. Heisinger 1956-4-22 San Joaquin c. 28 mi E of Stockton Comment
  POM248722  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA91548  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA20141  Trifolium depauperatum var. amplectens Roxana S. Ferris 1938-4-15 9424 San Joaquin Corral Hollow-Livermore Road. Comment
  UC86663  Trifolium depauperatum var. amplectens Lewis S. Rose 1938-4-26 33205 San Joaquin Corral Hollow 152 Comment
  POM349631  Trifolium depauperatum var. depauperatum L. S. Rose 1938-4-3 38119 San Joaquin Corral Hollow. 122 Comment
  UC866825  Trifolium depauperatum var. depauperatum Lewis S. Rose 1938-4-3 38119 San Joaquin Corral Hollow 121 Comment
  UCD108953  Trifolium fragiferum W. A. Williams Date Unknown s.n. San Joaquin 4 miles S of Thornton. Comment
  SEINET12147999  Trifolium fucatum E. E. Stanford 1927-1 117 San Joaquin Stockton, near Smith's Canal Comment
  POM146123  Trifolium fucatum var. fucatum E. E. Stanford 1927-3-23 117 San Joaquin Stockton. Comment
  POM349501  Trifolium fucatum var. fucatum E. E. Stanford 1928-3-15 805 San Joaquin Stockton. Comment
  POM18698  Trifolium gracilentum C. F. Baker 1903-04 5057 San Joaquin Tracy Comment
  SEINET3131848  Trifolium gracilentum L. S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UC750645  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UC866780  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UCD96867  Trifolium gracilentum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6922 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  RSA196325  Trifolium microdon E. E. Stanford 1928-4-19 892 San Joaquin Stockton. Comment
  UCD109357  Trifolium repens Morris Halperin 1930-7-15 s.n. San Joaquin County Hospital, French Camp. Comment
  HSC12250  Trifolium variegatum Gary J. Stebbins 1970-3-28 55 San Joaquin Along S.R. 88, 1.5 mi. SW of the Amador Co. line Comment
  SBBG40329  Trifolium variegatum var. major W. J. Dress 1951-3-31 3093 San Joaquin 2 mi S of Peters Comment
  JEPS66057  Trifolium variegatum var. melananthum W. L. Jepson 1938-4-14 18679 San Joaquin headwaters Goose Creek Comment
  UC155187  Trifolium willdenovii Katharine Brandegee May 1908 San Joaquin Lathrop Comment
  UC569835  Trifolium willdenovii C. M. Belshaw 1936-4-23 1967 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 121 Comment
  UC631155  Trifolium willdenovii P. B. Kennedy 1907-4-19 San Joaquin Ripon; on rr track Comment
  POM146120  Trifolium willdenovii E. E. Stanford 1927-3-29 130 San Joaquin Stockton; open field near Campus. Comment
  SJSU8002  Trifolium willdenovii H. T. Shishido 1961-4-8 San Joaquin near S side Mokeumne R c. 0.5 mi E of Clements Comment
  UC165496  Trifolium willdenovii J. Burtt Davy April 1897 3124 San Joaquin head of San Joaquin Valley Comment
  UC29197  Triodanis biflora Edw. L. Greene 1889-4-30 San Joaquin near Lathrop; near Lathrop Comment
  SEINET7040049  Triphysaria eriantha A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  RSA755429  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-26 14462 San Joaquin junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR207832  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-26 14462 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR232265  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17077 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  OBI64494  Triphysaria eriantha subsp. eriantha David J. Keil 2005-3-13 30357 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 mi NE of Mokelumne River Bridge 82 Comment
  JEPS64213  Triteleia hyacinthina W. L. Jepson 1929-4-28 15203 San Joaquin Clements 60 Comment
  UC3282  Triteleia hyacinthina F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC843575  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 mi s Galt 15 Comment
  CAS-BOT-BC522285  Triteleia hyacinthina W. P. Steinbeck 1920-4-1 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC522287  Triteleia hyacinthina E. E. Stanford 1928-5-12 950 San Joaquin Near Peters Comment
  CAS-BOT-BC522288  Triteleia hyacinthina E. E. Stanford 1927-5-7 s.n. San Joaquin Near Lockeford Comment
  CAS-BOT-BC526136  Triteleia laxa E. E. Stanford 1928-4-7 851 San Joaquin Near Collegeville Comment
  CAS-BOT-BC67350  Tropidocarpum capparideum Edw. L. Greene 1888-3-25 s.n. San Joaquin Bethany. Comment
  CAS-BOT-BC73834  Tropidocarpum gracile E. E. Stanford 1930-4-5 1250 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC73835  Tropidocarpum gracile Charles Piper Smith 1922-4-13 3468 San Joaquin Tracy-Southern Pacific Niles Line. Comment
  JEPS54244  Tropidocarpum gracile W. L. Jepson 1922-4-2 9573 San Joaquin Corral Hollow Mt. Hamilton Range (w San Joaquin Co.) 182 Comment
  RSA428384B  Tropidocarpum gracile E. E. Stanford 1930-4-5 1250 San Joaquin Hospital Canyon. Comment
  CDA25275  Tropidocarpum gracile E. Baldwin 1929-4-28 San Joaquin East of Clements. 0 Comment
  CAS-BOT-BC200548  Tuctoria greenei R. F. Hoover 1936-6-11 1302 San Joaquin Farmington Comment
  UC1241767  Typha Herbert L. Mason 1948-5-31 13573 San Joaquin three mi n Ripon; n of Ripon Comment
  CDA774  Typha angustifolia T. C. Fuller 1962-6-4 8836 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  JEPS12527  Typha latifolia W. L. Jepson 1923-8-3 10032 San Joaquin Old River; lower San Joaquin County (acc. to Jepson's field book 40: 29 this coll. was made on an e-bound trip after leaving Marsh Creek Rd in Contra Costa Co.) Comment
  UC241774  Typha latifolia Malcolm A. Nobs and S. Galen Smith 1949-7-7 926 San Joaquin near Holt; San Joaquin Valley Comment
  UC625465  Uropappus lindleyi Frank W. Gould 1938-4-10 157 San Joaquin in vicinity Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  UC450071  Urtica dioica subsp. gracilis N. K. Berg 1903-12-10 San Joaquin Rough and Ready Island Comment
  CAS-BOT-BC404010  Urtica dioica subsp. holosericea John Thomas Howell 1930-9-28 5516 San Joaquin Holt Comment
  UCD111544  Urtica dioica subsp. holosericea G. F. Hrusa; S. A. Wagner 1992-3-22 9085 San Joaquin Caswell Memorial State Park. Comment
  POM182807  Urtica dioica subsp. holosericea N. K. Berg 1903-12-10 s.n. San Joaquin Rough and Read Isl. Comment
  UCR238410  Urtica urens George K. Helmkamp, E. A. Helmkamp 2012-4-7 18725 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UC635679  Utricularia gibba Herbert L. Mason 1929-9-9 5420 San Joaquin marshes of Lower San Joaquin R. Lower San Joaquin R. Comment
  UC1125583  Utricularia macrorhiza B. Schreiber 1937-8-22 2460 San Joaquin Holt Holt Quad., Holt 30 Comment
  UC27950  Utricularia macrorhiza J. A. Sanford 1897-1 36 San Joaquin west Stockton Comment
  UC463079  Utricularia macrorhiza Annetta Carter 1931-7-31 237 San Joaquin Holt Comment
  UC767421  Verbascum blattaria R. F. Hoover 1935-8-3 701 San Joaquin 5 mi sw Ripon Comment
  JEPS11190  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  UC767424  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  JEPS39038  Verbena bracteata W. L. Jepson 1923-10-22 10285 San Joaquin San Joaquin River San Joaquin City; , San Joaquin River Comment
  CHSC79370  Verbena hastata Beecher Crampton 1955-9-7 3149 San Joaquin 2.5 miles northwest of Thorton, Vail Road. Comment
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  CDA15563  Verbena incompta G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14894 San Joaquin Caswell Memorial State Park. Middle reaches of Fence Line trail, edge of trail. Comment
  JEPS39036  Verbena litoralis J. W. Congdon 1903-9-2 San Joaquin Bouldin Island; lower San Joaquin River Comment
  UCD125641  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125642  Verbena litoralis Beecher Crampton 1954-11-28 2260 A San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125645  Verbena litoralis G. F. Hrusa 1992-8-26 9567 San Joaquin San Joaquin County Comment
  UC27717  Veronica peregrina subsp. xalapensis J. A. Sanford 1890-1 156 San Joaquin French Camp Comment
  UCR249964  Veronica peregrina subsp. xalapensis George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20229 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  SD241195  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-4-7 18727 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCR143271  Veronica persica E. E. Stanford 1928-2-20 781 San Joaquin Sacramento Valley, Stockton 5 Comment
  IRVC27655  Veronica persica E. E. Stanford 1928-2-10 781 San Joaquin Stocton Comment
  SBBG128825  Veronica persica G. K. Helmkamp, E. A. Helmkamp 2012-2-3 18523 San Joaquin Escalon-Bellota Rd, 0.2 mi S of its jct with CA-26, NE of Linden 39 Comment
  CDA28311  Vicia americana var. americana T. C. Fuller 1962-4-24 8228 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA28312  Vicia americana var. americana T. C. Fuller 1962-4-24 8228 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  RSA398004  Vicia sativa E. E. Stanford 1930-4-17 1329 San Joaquin Clements Road. Comment
  JEPS66192  Vicia sativa subsp. nigra W. L. Jepson 1902-5-18 1823 A San Joaquin Clements Comment
  UCD108916  Vicia sativa subsp. nigra G. F. Hrusa; S. A. Wagner 1992-4-22 9306 San Joaquin Caswell Memorial State Park. Comment
  UCD109128  Vicia villosa subsp. varia G. F. Hrusa; S. A. Wagner 1992-4-22 9320 San Joaquin Caswell Memorial State Park. Comment
  UCR242950  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-4-7 15826 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UC1999825  Viola californica Milo S. Baker San Joaquin Probably from Tracy, California Comment
  RSA402916  Viola douglasii Flossie Draper 1928-3-20 112 San Joaquin Near Peters. Comment
  CAS-BOT-BC385042  Vitis californica Barrett Anderson 1987-7-15 3557 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  UCD102852  Vitis californica M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley. Coyote Creek tributary riparian zone on Dustin Road. Ca. 0.1 mile N of Liberty Road, near Acampo. 7 Comment
  UCD142927  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD142930  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17115  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17116  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17117  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin California. Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17120  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17124  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17129  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17555  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17556  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD60313  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCR143319  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Sacramento Valley, Jones Tract, San Joaquin Delta -3 Comment
  OBI27850  Vitis vinifera Annemarie Rond 1977-6-13 96 San Joaquin W. Swain rd, Stockton Comment
  CAS-BOT-BC198737  Vulpia bromoides Gladys L. Smith 1959-5-2 1061 A San Joaquin Wallace, Hwy. 12 60 Comment
  SEINET10595131  Vulpia bromoides E. E. Stanford 1930-4-26 Stanford 1432 San Joaquin Copperopolis Rd west of Peters. Open range country. Comment
  RSA114301  Vulpia eastwoodiae J. T. Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  SEINET10604422  Vulpia microstachys Lewis S. Rose 1938-4-3 Rose 38118 B San Joaquin Corral Hollow. Subsaline flats. 122 Comment
  CAS-BOT-BC183679  Vulpia microstachys var. ciliata John Thomas Howell 1938-4-10 13751 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC183680  Vulpia microstachys var. ciliata John Thomas Howell 1938-4-10 13752 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC183681  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1938-4-18 5092 San Joaquin Hospital Canyon Comment
  UCD93841  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  RSA21845  Vulpia microstachys var. confusa J. T. Howell 1938-4-3 13734 San Joaquin Corral Hollow. Comment
  UC766707  Vulpia microstachys var. confusa R. F. Hoover 1937-4-3 1734 San Joaquin Tracy Comment
  CAS-BOT-BC184500  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 A San Joaquin East end of Corral Hollow Comment
  RSA0053701  Vulpia myuros G. K. Helmkamp, E. A. Helmkamp 2013-4-7 18719 San Joaquin San Joaquin Valley along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden. 52 Comment
  UCD94475  Vulpia myuros G. F. Hrusa; S. A. Wagner 1992-4-22 9246 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC185745  Vulpia myuros subsp. megalura E. E. Stanford 1928-4-19 889 San Joaquin Stockton Comment
  SEINET10604549  Vulpia myuros var. hirsuta E. E. Stanford 1928-4-19 Stanford 889 San Joaquin Stockton. Roadsides and open fields. Comment
  UC767536  Vulpia octoflora var. glauca R. F. Hoover 1938-4-9 3036 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  CAS-BOT-BC423386  Wislizenia californica Samuel B. Parish 1881-11-1 s.n. San Joaquin Lathrop, C.P.R.R. Comment
  CAS-BOT-BC423390  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  JEPS6661  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  OBI48692  Wislizenia refracta subsp. californica Michener & Bioletti, Bioletti August1893 s.n. San Joaquin Lathrop Comment
  POM142970  Wislizenia refracta subsp. californica F. T. Bioletti 1891-07 s.n. San Joaquin Lathrop. Comment
  SBBG29793  Wislizenia refracta subsp. californica K. Brandegee 1907-10-2 San Joaquin near Lathrop Comment
  UC101848  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  UC419717  Wislizenia refracta subsp. californica Mrs. H. P. Bracelin 1930-10-11 89 San Joaquin 5 mi w Stockton Comment
  UC83249  Wislizenia refracta subsp. californica Michener and Bioletti 1893-8-1 San Joaquin Lathrop Comment
  UCD39029  Wislizenia refracta subsp. californica Beecher Crampton 1960-8-9 5774 San Joaquin 7.5 miles W of Ripon, along Durham Ferry Road. Comment
  RSA440868  Wislizenia refracta subsp. californica E. E. Stanford 1930-08 1862 San Joaquin Lincoln Hwy, near French Camp. Comment
  CAS-BOT-BC534961  Wolffia C. Don MacNeill; G. Prlain 1981-12-13 n.s. San Joaquin Mokelumne River below Camanche Reservoir dam 27 Comment
  UC1148966  Wolffia globosa W. R. Russell and Jeff Swader 1967-6-20 San Joaquin s side of Liberty Rd 1.8 mi e State Highway 88 (where artificial fill crosses road, small pond se of main creek) Comment
  RSA201764  Wolffia globosa W. R. Russell, Jeff Swader 1967-6-20 s.n. San Joaquin south side of Liberty Road, 1.8 miles east of State Highway 88 Comment
  RSA318296  Wolffia globosa Wayne P. Armstrong 1984-8-23 1216 San Joaquin South side Liberty Road 1.5 mi. east of junction with Highway 88 (southwest of Ione) 61 Comment
  SD117134  Wolffia globosa Wayne P. Armstrong 1984-8-23 1217 San Joaquin South side [of] Liberty Road, 1.5 miles east of junction with Highway 88 (southwest of Ione). [On] surface of small ponds along creek. 60 Comment
  SEINET8464901 Image available Wolffia globosa W. R. Russel, Jeff Swader 1967-6-20 San Joaquin South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88, northeastern San Joaquin County Comment
  POM202662  Wolffiella lingulata J. T. Howell 1932-9-2 10790 San Joaquin Holt. Comment
  UC629711  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  UC635134  Wolffiella lingulata H. L. Mason 1938-8-26 12072 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  UC702408  Wolffiella lingulata Herbert L. Mason 1945-10-10 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  CAS-BOT-BC535200  Wolffiella lingulata Herbert L. Mason 1937-6-21 11548 San Joaquin Trapper Slough, 1/2 mile southwest of Holt, Robert Island Comment
  CAS-BOT-BC535222  Wolffiella lingulata John Thomas Howell 1932-9-2 10790 San Joaquin Floating in slough, Holt Comment
  CAS-BOT-BC77786  Woodwardia fimbriata Genevieve Prlain 1976-5-2 s.n. San Joaquin county park on Mokelumne River below Camanche Dam 27 Comment
  CAS-BOT-BC382876  Wyethia angustifolia E. E. Stanford 1930-4-17 1339 San Joaquin Clements Road Comment
  RSA27878  Wyethia angustifolia C. L. Hitchcock 1940-5-12 6357 San Joaquin 3 miles south of Galt 16 Comment
  UC36774  Wyethia angustifolia J. Burtt Davy May 18 1895-May 30 1895 1222 San Joaquin grain field Holden Comment
  UC485129  Wyethia angustifolia J. Burtt Davy 1895-5-18 1222 San Joaquin Holden Comment
  UC832884  Wyethia angustifolia C. L. Hitchcock 1940-5-12 6357 San Joaquin 3 mi s Galt 15 Comment
  JEPS32012  Wyethia helenioides W. L. Jepson 1902-5-18 1820 San Joaquin Clements 40 Comment
  SEINET6165131 Image available Wyethia helenioides Unknown 1981-8-6 s.n. San Joaquin kirkwood ski area Comment
  UC485135  Xanthium spinosum Harriet A. Walker 1907-9-8 884 San Joaquin Lathrop Comment