Search Results — 2000 specimen records retrieved (1465 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
  SEINET3412405 Image available Acacia William G. Gambill Jr. 1968-1 s.n. San Joaquin Stockton, In private yard, Stockton, San Joaquin County, California. 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
  UCD96902  Achillea millefolium Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6943 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-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
  CDA37732  Achnatherum brachychaetum R. Breckenridge/K. Filippini 2009-11-15 s.n. San Joaquin Tracy; Thomsen Farms. 0 Comment
  CAS-BOT-BC29727  Achyrachaena mollis Alice Eastwood; John Thomas Howell 1935-4-7 2090 San Joaquin East end of Coral Hollow Comment
  JEPS36728  Achyrachaena mollis R. F. Hoover 1935-3-18 372 San Joaquin w at San Joaquin River Bridge Ripon Comment
  JEPS36736  Achyrachaena mollis W. L. Jepson 1937-4-23 18015 San Joaquin 5 mi se on Farmington Rd Stockton Comment
  RSA21459  Achyrachaena mollis Carl B. Wolf 1937-3-31 8394 San Joaquin W side of San Joaquin Valley, Hospital Canyon 107 Comment
Read comments
Jun 10 2012
  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
  RSA92263  Achyrachaena mollis E. E. Stanford 1930-04 s.n. San Joaquin Corral hollow Road 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
  CDA1671  Aegilops triuncialis Helphinstine 1952-6-11 San Joaquin Foothills near Farmington 0 Comment
  CAS-BOT-BC202666  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line Comment
  UCD38679  Agrostis Beecher Crampton 1956-7-30 3741 San Joaquin 9.8 miles south of Clements. Comment
  UCR132244  Agrostis Beecher Crampton 1956-7-30 3741 San Joaquin Sacramento Valley, 9.8 miles south of Clements 34 Comment
  SEINET7295880 Image available Agrostis alba Beecher Crampton 1956-1 3740 San Joaquin Irrigate pasture area, water overflow along Clements Road, 9.8 miles south of Clements Comment
  UCR128291  Agrostis viridis 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
  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
  SEINET8470109 Image available Alisma triviale Ira L. Wiggins 1934-6-23 San Joaquin 3.2 miles east of Escalon on road to Oakdale Comment
  POM179762  Allenrolfea occidentalis J. T. Howell 1930-9-28 5506 San Joaquin On the Borden Hwy to Holt. Comment
  RSA88890  Allium amplectens E. K. Balls 1954-3-9 18902 San Joaquin Grown in Botanic Garden. 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
  RSA367052  Allium serra E. E. Stanford 1930-4-5 1222 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC475565  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Hill slope 1/2 mile west of gravel pit at mouth of Corral Hollow on the Livermore road. 152 Comment
  CAS-BOT-BC475566  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital Canyon, SW of Vernalis. 106 Comment
  RSA21628  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  UCD138608  Allium triquetrum D. E. Creighton 1960-3-15 s.n. San Joaquin Stockton. 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
  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
  UC576306  Alopecurus saccatus R. D. Roseberry 1935-5-16 179 San Joaquin 4 mi. n.w. Milton; Jackson Quad. 121 Comment
  UC936194  Alopecurus saccatus H. L. Mason 1932-4-24 6969 San Joaquin 11 mi. s. Clements 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
  JEPS54333  Amaranthus W. L. Jepson 1923-10-22 10286 San Joaquin San Joaquin City San Joaquin River Comment
  UCR194720  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13082 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR253493  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20070 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CDA14318  Amaranthus albus A. Wheelon, L. Allen 1998-8-12 s.n. San Joaquin San Joaquin Valley; Rough & Ready Island. 0 Comment
  CDA3259  Amaranthus albus T. C. Fuller 1958-7-3 1976 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  CDA14317  Amaranthus blitoides A. Wheelon, L. Allen 1998-8-12 s.n. San Joaquin San Joaquin Valley; Rough & Ready Island. 0 Comment
  UC465917  Amaranthus blitoides Harriet A. Walker 1907-9-8 935 San Joaquin Lathrop Comment
  UC596422  Amaranthus californicus R. F. Hoover 1937-9-4 2718 San Joaquin 3 mi e Farmington Comment
  UC765770  Amaranthus californicus R. F. Hoover 1937-9-4 2718 San Joaquin 3 mi e Farmington Comment
  CDA3307  Amaranthus caudatus T. C. Fuller 1958-7-3 2055 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  UCD97218  Amaranthus caudatus J. M. Tucker 1951-10-31 2314 -5 San Joaquin On Staten Island. Comment
  UCD97219  Amaranthus caudatus J. M. Tucker 1951-10-31 2314 -9 San Joaquin On Staten Island. Comment
  POM147749  Amaranthus hybridus E. E. Stanford 1927-8-10 674 San Joaquin Stockton Comment
  UCD97401  Amaranthus hybridus J. D. Sauer 1953-8-14 1643 San Joaquin Farmyard on Roberts Island, 5 miles west of Stockton. Comment
  UCD97404  Amaranthus hybridus J. M. Tucker 1956-11-10 3280 -A San Joaquin Beside Howard Road, 3.2 miles northeast of its junction with Tracy Road, on Union Island. Comment
  CDA3293  Amaranthus hybridus subsp. quitensis Margaret Bellue 1933-10-6 San Joaquin Southwest of Lodi. 0 Comment
  UCD39268  Amaranthus palmeri B. Crampton 1968-9-16 8342 San Joaquin Manteca, jct. Hwy 120 and Hwy. 99. Comment
  CDA25625  Amaranthus powellii G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13083 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  RSA789502  Amaranthus powellii George K. Helmkamp, E. Helmkamp 2011-10-15 18432 San Joaquin 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
  CDA3310  Amaranthus retroflexus Margaret Bellue 1933-10-6 San Joaquin Southwest of Lodi. 0 Comment
  UCD97786  Amaranthus retroflexus J. M. Tucker 1956-11-10 3280 -A San Joaquin Beside Howard Road, 3.2 miles northeast of its junction with Tracy Road, on Union Island. Comment
  CDA6726  Ambrosia artemisiifolia M. Switzenberg 1963-7-26 San Joaquin Railroad yards, Holt District. 0 Comment
  UC73989  Ambrosia psilostachya J. A. Sanford 220 San Joaquin Robert's Island 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
  UCD102869  Ammannia robusta Rimo Bacigalupi; L. Constance 1962-8-13 8714 San Joaquin Flats on eastern side of San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of side of San Joaquin City. 3 Comment
  CDA20731  Ammi majus Michael DeLucchi 2006-6-27 PDR 1344836 San Joaquin 17055 E. Highway 4, Stockton. 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
  CDA5353  Ammi majus T. C. Fuller, J. Solari 1959-8-3 2865 San Joaquin Southeast corner of Farmington & Kaiser Roads. 0 Comment
  CAS-BOT-BC214042  Amsinckia John Thomas Howell 1933-3-26 10889 San Joaquin Corral Hollow Comment
  UC1178287  Amsinckia Ray and Chisaki K 163 San Joaquin Farmington Comment
  UCD96886  Amsinckia Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6934 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 south and above Amsinckia grandiflora canyon. Comment
  CAS-BOT-BC214039  Amsinckia L. R. Abrams 1923-3-31 9953 San Joaquin 3 mi. from Manteca on Stockton Road Comment
  SEINET3293462 Image available Amsinckia douglasiana P. O. Schallert 1945-3-8 C 30 San Joaquin Near Stockton common waste places Comment
  OBI20627  Amsinckia eastwoodiae Robert F. Hoover 1966-3-25 9741 San Joaquin River Rd along San Joaquin River just N of Stanislaus Co. line Comment
  RSA499909  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  UC763140  Amsinckia eastwoodiae R. F. Hoover 1938-4-10 3064 San Joaquin Lower Hospital Canyon Comment
  UC764748  Amsinckia eastwoodiae R. F. Hoover 1935-3-1 232 San Joaquin Vernalis Comment
  RSA0090956  Amsinckia eastwoodiae J. T. Howell 1938-4-10 13756 San Joaquin Hospital Canyon. 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-BC222449  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line Comment
  JEPS14264  Amsinckia grandiflora Francia Chisaki and R. Bacigalupi 1956-4-5 664 San Joaquin e. side of canyon leading n. from Corral Hollow (0.45 mi. e. of San Joaquin-Alameda Co. line, ca. 1.5 mi. n. of rd. in Corral Hollow) Comment
  JEPS24887  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS73877  Amsinckia grandiflora L. R. Heckard 1974-4-25 3671 San Joaquin Just west of Drop Tower No. 358 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
  UC1084621  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
  UC762085  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC762090  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
Read comments
May 22 2007
  RSA97104  Amsinckia grandiflora 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
  CDA19656  Amsinckia intermedia G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1179 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
  RSA201466  Amsinckia intermedia Alice Eastwood, John Thomas Howell 1935-4-7 2113 San Joaquin East end of Corral Hollow. 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
  UCR232241  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2011-3-12 17066 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
  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
  UCSB5508  Amsinckia intermedia Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow; Inner Coast Ranges 198 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
  RSA0089703  Amsinckia intermedia Robert F. Hoover 1937-4-3 1747 San Joaquin Lower end of Corral Hollow. Comment
  SJSU11340  Amsinckia intermedia D. O. Barber 1965-4-17 San Joaquin 2 mi SW of Escalon Comment
  UC1094052  Amsinckia lycopsoides Francia Chisaki 1954-3-27 580 San Joaquin on Telsa Road grade before entering Corral Hollow Comment
  UC1094067  Amsinckia lycopsoides Francia Chisaki, Peter M. Ray 1951-4-14 1984 San Joaquin 3 mi e Stockton (Hwy #4) 7 Comment
  UC24613  Amsinckia lycopsoides J. A. Sanford 1890-1 366 San Joaquin Waverly Comment
  UC573080  Amsinckia lycopsoides H. L. Mason 1932-3-19 6813 San Joaquin w of Tracy (road from Mountain House to Midway) Comment
  UC573083  Amsinckia lycopsoides H. L. Mason 1932-3-19 6814 San Joaquin w of Tracy (road from Mountain House to Midway) Comment
  UC727044  Amsinckia lycopsoides A. A. Heller 1941-3-24 15911 San Joaquin Banta 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
  UCD119737  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1935-4-7 2113 A San Joaquin East end of Corral Hollow. Comment
  POM195978  Amsinckia menziesii var. menziesii C. R. Quick 1929-5-4 7082 San Joaquin Campus. Stockton. College of the Pacific. Comment
  UC1039809  Amsinckia menziesii var. menziesii Peter H. Raven with G. Thomas Robbins 1956-4-29 9131 San Joaquin 8.8 mi s of Stockton (on US Hwy 50) Comment
  UC1191064  Amsinckia menziesii var. menziesii C. R. Bell 1951-4-6 955 San Joaquin Farmington Comment
  RSA0089719  Amsinckia obvallata C. F. Baker 1903-4-25 2779 San Joaquin Tracy. Comment
  UC573136  Amsinckia tessellata var. gloriosa H. L. Mason 1932-3-19 6831 San Joaquin 2 mi e Midway 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
  CDA40429  Amsinckia vernicosa Jim Jokerst 1989-3-3 3076 B San Joaquin Lawrence Livermore Laboratory, Site 300. 0 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
  UC1211928  Amsinckia vernicosa var. vernicosa John H. Weiler, A. P. Nelson 1961-2-27 692 San Joaquin opposite drop tower on Atomic Energy Commission territory at Corral Hollow (0.5 mi e of Alameda-San Joaquin County line) 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
  UCD117537  Anagallis arvensis Marvin Nies 1951-5-4 57 San Joaquin 6 miles east of Lodi. Comment
  JEPS40576  Ancistrocarphus filagineus R. F. Hoover 1937-4-3 1741 San Joaquin lower end Corral Hollow Comment
  UCD77333  Androsace elongata subsp. acuta Robert E. Preston 2002-4-1 1782 San Joaquin Lawrence Livermore National Laboratory, Site 300. 365 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
  UC69650  Anoda cristata W. L. Jepson and J. A. Sanford 1903-1 San Joaquin Stockton Comment
Read comments
Jan 11 2008
  UCD126283  Anthriscus caucalis G. F. Hrusa; S. A. Wagner 1992-4-22 9236 San Joaquin Caswell Memorial State Park. Comment
  UCD127277  Anthriscus caucalis Terri Williamson 1990-4-28 14 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UCD96911  Aphanes occidentalis Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6949 a 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
  UC2046325  Aphanes occidentalis Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12442 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
  CDA39746  Apocynum androsaemifolium Bellue - Ball Sep 1938 s.n. San Joaquin Near Lodi or Stockton. 0 Comment
  UC22890  Apocynum cannabinum J. A. Sanford 1890-1 233 San Joaquin Robert's Island Comment
  CDA38587  Arctostaphylos glauca T. C. Fuller 1971-4-22 19845 San Joaquin North slope of Mt. Bordman. 0 Comment
  UCD38677  Aristida oligantha Beecher Crampton 1956-7-30 3745 San Joaquin 4.8 miles north of Farmington. 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
  UC449642  Artemisia douglasiana Harriet A. Walker 1907-9-8 907 San Joaquin Sathrop Comment
  UCD129290  Artemisia douglasiana G. F. Hrusa; S. A. Wagner 1992-7-8 9135 San Joaquin below picnic area. Caswell Memorial State Park. 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
  UC23013  Asclepias erosa H. N. Bolander 1866-1 4894 San Joaquin San Joaquin Plains Comment
  UC23002  Asclepias fascicularis J. A. Sanford 1890-1 382 San Joaquin Stockton Comment
  CDA39834  Asclepias fascicularis Barry Aug 1938 s.n. San Joaquin Near Stockton. 0 Comment
  SEINET10923194  Asclepias fascicularis E. E. Stanford 1927-8-31 Stanford 695 San Joaquin Stockton Comment
  UCR63912  Asclepias speciosa L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  JEPS49818  Asclepias vestita W. L. Jepson 1896-6-27 14541 San Joaquin between Mossdale School Atlanta; San Joaquin Valley Comment
  JEPS49820  Asclepias vestita W. L. Jepson 1902-5-18 1823 C San Joaquin Clements 40 Comment
  RSA201894  Asclepias vestita W. L. Jepson 1902-5-18 1823 -C San Joaquin Clements 41 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-BC478841  Asparagus officinalis John Thomas Howell 1967-10-19 44018 San Joaquin Caswell Memorial State Park Comment
  CAS-BOT-BC478842  Asparagus officinalis John Thomas Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  CDA10237  Aster chilensis Croce 1963-12-17 San Joaquin Woodbridge Irrigation District, Augie Orrigone property, north of Highway 99. 0 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
  POM51393  Aster subulatus var. ligulatus L. R. Abrams 1917-9-14 6744 San Joaquin 4 miles north of Stockton; Stockton-Sacramento Road Comment
  RSA417850  Aster subulatus var. ligulatus R. Reynolds 1927-9-27 40 San Joaquin Stockton Comment
  CAS-BOT-BC478058  Asteraceae James McMurphy 1908-10-19 s.n. San Joaquin Between Tracy and Altamont Comment
  CAS-BOT-BC180514  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
  UC82628  Astragalus asymmetricus C. F. Baker 1903-4-27 2818 San Joaquin Bethany Comment
  POM16147  Astragalus didymocarpus C. F. Baker 1903-4-25 2782 San Joaquin Tracy Comment
  RSA14937  Astragalus didymocarpus Alice Eastwood, John T. Howell 1935-4-7 s.n. San Joaquin Corral Hollow Comment
  RSA21625  Astragalus didymocarpus Roxana S. Ferris 1938-4-15 9418 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC13346  Astragalus didymocarpus F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  UC83407  Astragalus didymocarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  CAS-BOT-BC182333  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1935-4-7 s.n. San Joaquin Corral Hollow Comment
  CAS-BOT-BC182661  Astragalus douglasii Volney Rattan 1880-7-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC178267  Astragalus gambelianus Maxine Wilkes 1940-4-7 135 San Joaquin Corral Hollow Comment
  CAS-BOT-BC178269  Astragalus gambelianus Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks Comment
  UC635294  Astragalus gambelianus H. L. Mason 1932-3-19 6834 San Joaquin two mi e Midway (near Tracy); e of Midway, near Tracy 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
  CAS-BOT-BC193340  Astragalus tener var. tener E. E. Stanford 1927-3-23 116 San Joaquin Stockton. Near Smith's Canal Comment
  CHSC55815  Athyrium filix-femina var. cyclosorum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2723 San Joaquin In Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stockton. 1 Comment
  JEPS104684  Athysanus pusillus J. L. and F. L. Morrison 1938-3-3 2769 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  UC762952  Athysanus pusillus R. F. Hoover 1938-2-27 2793 San Joaquin Castle Rock, Corral Hollow Corral Hollow; Castle Rock, Corral Hollow Comment
  UCR51786  Athysanus unilateralis L. S. Rose 1938-4-3 38120 San Joaquin San Joaquin Valley/Inner South Coast Range, Corral Hollow 122 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
  RSA147793  Atriplex argentea E. E. Stanford 1927-8-15 678 San Joaquin Stockton Comment
  UC7135  Atriplex argentea var. mohavensis J. Burtt Davy 1893-11-13 1190 San Joaquin Stockton Comment
  UC1784356  Atriplex californica H. C. Stutz 1977-6-15 8030 San Joaquin Tracy 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
  UCD97621  Atriplex prostrata K. Esau 1929-9-21 2039 San Joaquin Staten Island. Comment
  UC57370  Atriplex semibaccata N. K. Berg 1903-12-10 28 San Joaquin Rough and Ready Isl. Comment
  UCD97719  Atriplex semibaccata G. L. Stebbins Jr.; Alva Day 1966-3-12 6314 San Joaquin at lower end of Corral Hollow. 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
  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-BC180890  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
  UC452643  Atriplex serenana var. serenana Harriet A. Walker 1907-9-8 934 San Joaquin 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-BC180892  Atriplex serenana var. serenana Ira L. Wiggins 1974-10-1 22128 San Joaquin Roadside 2 mi W of Escalon (Highway 120) between Escalon and Manteca Comment
  CAS-BOT-BC180895  Atriplex serenana var. serenana John Thomas Howell 1929-9-21 4412 San Joaquin Railroad embankment, Holt. Comment
  CAS-BOT-BC180896  Atriplex serenana var. serenana John Thomas Howell 1930-10-11 5557 San Joaquin Field, 5 miles south of Stockton. Comment
  UCR253605  Avena barbata George K. Helmkamp 2014-3-18 22573 A 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
  UCD56329  Avena fatua G. F. Hrusa; S. A. Wagner 1992-4-22 9296 San Joaquin On S side of Stanislaus River adjacent to Caswell Memorial State Park. Comment
  UCD56402  Avena fatua G. F. Hrusa; S. A. Wagner 1992-4-22 9256 San Joaquin Caswell Memorial State Park. 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
  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
  CDA21224  Azolla filiculoides G. F. Hrusa, S. A. Wagner 1992-4-8 9106 San Joaquin At Oxbow Lake. Caswell Memorial State Park 0 Comment
  CHSC110790  Baccharis douglasii Dean Wm. Taylor 2012-11-23 21317 San Joaquin 14 Mile Slough, Stockton; equidistant between western birm of Feather River Drive and eastern levee of the sough, on western perimeter of the dog park; T/R Section unsectionized (projected 2N6E14). 0 Comment
  CDA15564  Baccharis glutinosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14895 San Joaquin Caswell Memorial State Park. Comment
  UC672312  Baccharis glutinosa H. L. Mason 1928-9-30 4964 San Joaquin near, San Joaquin Delta Holt; San Joaquin Delta Comment
  UCD129414  Baccharis glutinosa P. B. Kennedy 1928-9-30 s.n. San Joaquin at Holt. Comment
  CAS-BOT-BC98210  Baccharis salicifolia Roxana S. Ferris 1938-4-15 9402 San Joaquin Near gravel pit at the mouth of Corral Hollow Comment
  UC614712  Baccharis salicifolia subsp. salicifolia Beryl O. Schreiber 1932-3-27 137 San Joaquin near Midway Comment
  CDA6269  Bacopa J. F. Silva 1964-6-16 San Joaquin Escalon District.. 0 Comment
  UC1259011  Bacopa eisenii J. L. Strother 1977-7-19 1278 San Joaquin ca 2 mi n Escalon (Route J9, ca .33 mi e of Route J6) 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
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  UCD129572  Bidens frondosa G. F. Hrusa; S. A. Wagner 1992-8-9 9333 San Joaquin Oxbow Lake, Caswell Memorial State Park. Comment
  UC88529  Bidens laevis K. Brandegee 1892-1 San Joaquin Bouldin Island Comment
  UC912410  Bidens laevis Herbert L. Mason 1929-9-9 5426 San Joaquin Holt Comment
  CAS-BOT-BC102028  Bidens laevis E. E. Stanford 1926-10-19 67 San Joaquin Stockton Comment
  CDA10517  Bidens laevis J. F. Silva 1957-10-4 385 -57 San Joaquin Escalon. 0 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
  CDA10520  Bidens laevis T. C. Fuller 1968-10-16 17709 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 0 Comment
  CDA10522  Bidens laevis T. C. Fuller 1959-10-27 3261 San Joaquin Road to Knights Ferry, ca. 4 miles southwest of Farmington. 0 Comment
  CDA10523  Bidens laevis T. C. Fuller 1968-10-31 17941 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  CDA10524  Bidens laevis T. C. Fuller 1968-10-16 17709 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 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
  OBI30360  Blennosperma nanum David J. Keil 2005-3-13 30360 San Joaquin Just W of Amador county line along Calif Rte 88, 5.5 mi NE of Mokelumne Riber 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
  JEPS33982  Blennosperma nanum var. nanum W. L. Jepson 1938-4-14 18680 San Joaquin about headwater of Goose Creek ne San Joaquin County Comment
  JEPS78659  Blennosperma nanum var. nanum Edward Lee 1936-2-28 1749 San Joaquin between Tracy and Summit House Comment
  UC1219710  Blennosperma nanum var. nanum Robert Ornduff 1958-2-23 4752 San Joaquin about 4.8 mi n of, roadside at edge of Highway 88 Clements Comment
  CAS-BOT-BC127911  Blepharizonia laxa Katharine Brandegee 1907-10-1 s.n. San Joaquin near Stockton Comment
  JEPS18820  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Hospital Canyon (lower part) Comment
  SJSU1709  Blepharizonia laxa C. W. Sharsmith 1955-9-11 6297 B San Joaquin Tesla Road W of Corral Hollow, Mt Hamilton Range, southwestern San Joaquin County Comment
  CAS-BOT-BC100323  Blepharizonia plumosa R. F. Hoover 1935-9-7 716 San Joaquin Tracy Comment
  UC337230  Blepharizonia plumosa unknown 1878-8-1 San Joaquin Comment
  UC761854  Blepharizonia plumosa Robert F. Hoover 1935-9-7 716 San Joaquin Tracy Comment
  UCD129613  Blepharizonia plumosa Robert E. Preston 1996-10-4 1005 San Joaquin northwest slope of Black Butte, south of Corral Hollow Road, around 2 miles west of its junction with I-5. 152 Comment
  UCD129614  Blepharizonia plumosa Robert E. Preston 1996-9-27 1006 San Joaquin Lawrence Livermore National Laboratory, Site 300, on berms adjacent to Building 834. 316 Comment
  RSA81638  Blepharizonia plumosa subsp. plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6.5 miles west of Tracy Comment
  RSA465632  Boisduvalia cleistogama E. E. Stanford 1930-5-26 1522 San Joaquin Harney Lane Comment
  POM126153  Boisduvalia glabella Joseph P. Tracy 1921-5-25 5788 San Joaquin Farmington. 30 Comment
  CAS-BOT-BC28213  Bolboschoenus fluviatilis Brian Atwater 1978-8-24 BA- 99 San Joaquin Between Rindge Tract and Wright Tract, Pristine tidal swamp and marsh served by Fourteen Mile Slough. Comment
  CAS-BOT-BC31037  Bolboschoenus maritimus Herbert L. Mason 1948-5-31 13574 San Joaquin three miles north of Ripon. Comment
  CAS-BOT-BC31040  Bolboschoenus maritimus John Thomas Howell 1932-10-16 10850 San Joaquin Corral Hollow Creek 8 mi from Tracy on Tesla Road. 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
  SEINET3404157 Image available Brassica campestris P. O. Schallert 1945-3-29 s.n. San Joaquin Near Stockton Comment
  CDA24703  Brassica nigra T. C. Fuller 1962-4-2 8205 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  SEINET3292593 Image available Brassica nigra P. O. Schallert 1945-2-27 San Joaquin Stockton, Delta land near stockton. Comment
  RSA147997  Brassica rapa E. E. Stanford 1927-9-17 702 San Joaquin Stockton Comment
  RSA482941  Brassica rapa C. R. Quick 1929-4-13 s.n. San Joaquin Stockton; 1 mile W of Campus. 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
  UC3323  Brodiaea appendiculata F. W. Gunnison May 1896 San Joaquin Linden Comment
  POM196335  Brodiaea appendiculata E. E. Stanford 1928-5-12 952 San Joaquin Near Peters. 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
  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
  UC768714  Brodiaea nana R. F. Hoover 1936-4-30 1056 San Joaquin Farmington Comment
  UC990725  Brodiaea nana Roxana S. Ferris 12642 San Joaquin on road betw. Everett School and intersection with Bellota-Farmington road ca. 1 mi W of intersection Comment
  UC634760  Brodiaea nana Herbert L. Mason 1928-5-3 4452 San Joaquin 4 mi N of Clements, vernal pools Comment
  SEINET10533895  Brodiaea synandra E. E. Stanford 1930-5-3 Stanford 1467 San Joaquin Jacktone Road. Open fields. Comment
  POM196216  Bromus arizonicus C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; Campus Comment
  CAS-BOT-BC156278  Bromus catharticus E. E. Stanford 1930-5-21 1505 San Joaquin Stockton. On campus. Comment
  HSC9149  Bromus catharticus C. S. Chavez 1965-4-10 30 San Joaquin Hwy. 50 downtown Tracy Comment
  RSA364010  Bromus catharticus E. E. Stanford 1930-5-21 1505 San Joaquin Stockton; on campus [campus location not specified] Comment
  HSC9290  Bromus diandrus C. S. Chavez 1965-4-10 29 San Joaquin Hwy. 50 downtown Tracy 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
  UCR232201  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17068 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  CAS-BOT-BC155489  Bromus hordeaceus Gladys L. Smith 1959-5-1 1040 San Joaquin Near Wallace. Comment
  UC596191  Bromus hordeaceus R. F. Hoover 1935-3-16 346 San Joaquin Farmington Comment
  UCD58655  Bromus hordeaceus G. F. Hrusa; S. A. Wagner 1992-4-22 9249 San Joaquin Caswell Memorial State Park. Comment
  UCD96900  Bromus hordeaceus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6941 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
  UCR128287  Bromus hordeaceus 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
  UCR238415  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-4-7 18715 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
  UCR253641  Bromus hordeaceus George K. Helmkamp 2014-3-18 22580 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
  UC60197  Bromus madritensis subsp. rubens Benj. Cobb 1900-3-20 San Joaquin Tracy Comment
  CAS-BOT-BC161975  Bromus rubens E. E. Stanford 1927-3-24 123 San Joaquin Stockton. Along trolley tracks. Comment
  CDA21076  Cabomba caroliniana D. Griffin, J. Scheiman, D. Daniels 1988-9-28 s.n. San Joaquin Sacramento/San Joaquin river Delta 0 Comment
  CAS-BOT-BC438328  Calandrinia ciliata Lewis S. Rose 1936-2-20 36008 San Joaquin Orchard, Ripon 21 Comment
  CAS-BOT-BC438329  Calandrinia ciliata E. Roy Weston 1927-4-3 586 San Joaquin Near Comanche Pk., San Joaquin Valley Comment
  CAS-BOT-BC438330  Calandrinia ciliata E. E. Stanford 1927-3-7 97 San Joaquin Stockton Comment
  CAS-BOT-BC438331  Calandrinia ciliata E. E. Stanford 1928-3-15 807 San Joaquin Stockton Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  UC570773  Callitriche longipedunculata H. L. Mason Apr 1930 5547 San Joaquin 10 miles east of Stockton Comment
  RSA377400  Calochortus luteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC3491 Image available Calochortus venustus F. W. Gunnison May 1896 San Joaquin Linden Comment
  IRVC12842  Calochortus venustus unknown student of, Lincoln Constance 1967-5-21 s.n. San Joaquin 6 mi NE Clements, Hwy 88. Comment
  POM172658  Calycadenia hispida E. E. Welty 1916-9-23 s.n. San Joaquin 7 miles northeast of Ripon Comment
  CAS-BOT-BC270659  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton 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
  UC935675  Calycadenia multiglandulosa unknown 1933-8-23 2511 San Joaquin 2.5 mi e of Farmington Comment
  JEPS33818  Calycadenia spicata C. C. Parry 1881-1-1 132 San Joaquin Milton Station, near Stockton 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
  UC765777  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-BC436434  Calystegia Volney Rattan 1880-6-1 s.n. San Joaquin Wm. Wilkinson Ranch, Live Oaks Comment
  UC1191637  Calystegia sepium subsp. binghamiae Herbert L. Mason, Verne Grant 1946-8-21 13067 San Joaquin Holt Holt (in tules) Comment
  UC20526  Camissonia contorta Benj. Cobb San Joaquin Tracy Comment
  UCD103270  Camissonia contorta A. S. Crafts 1932-3-30 s.n. San Joaquin Manteca. 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
  CAS-BOT-BC403911  Cannabis sativa Herbert L. Mason; Verne Grant 1946-8-21 13058 San Joaquin West of Stockton on Borden Highway Comment
  POM312901  Cannabis sativa H. L. Mason, Verne Grant 1946-8-21 13058 San Joaquin West of Stockton on Borden Hwy; Marsh Plant Survey. Comment
  UC1192294  Cannabis sativa Herbert L. Mason, Verne Grant 1946-8-21 13058 San Joaquin w of Stockton (on Borden Highway) Comment
  RSA530958  Capsella bursa-pastoris Cyril R. Owen 1927-9-20 21 San Joaquin Campus. [College of the Pacific, Stockton.] Comment
  UC10293  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  SD240939  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2011-3-29 17104 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 (Valley Springs 7.5'Q) 71 Comment
  CDA24759  Cardamine hirsuta F. M. Newhall 1961-3-3 San Joaquin North bank Mokelumne River, Lodi. 0 Comment
  UCD114547  Cardamine oligosperma G. F. Hrusa; S. A. Wagner 1992-4-22 9060 San Joaquin Caswell Memorial State Park; just inside the entrance gate. Comment
  CDA14315  Cardaria pubescens J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; Naglee Rd. in 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
  UCR63927  Carex barbarae L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CDA33029  Carex barbarae T. C. Fuller 1962-4-24 8211 San Joaquin Ca. 8 miles north-east of Tracy, south side of W. P. R. R. tracks, between Paradise Cut and Old River. 0 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
  SEINET10817754  Carex praegracilis Wilhelm N. Suksdorf 1913-6-6 Suksdorf 40 San Joaquin Lathrop. Comment
  CAS-BOT-BC118723  Carex preslii R. F. Hoover 1935-3-1 258 San Joaquin 5 mi sw of Ripon 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
  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
  JEPS3793  Castilleja attenuata W. L. Jepson 1929-4-28 15193 San Joaquin Lockeford 30 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
  CDA41248  Castilleja foliolosa T. C. Fuller 1962-4-24 8223 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA41249  Castilleja foliolosa T. C. Fuller 1971-4-22 19848 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 Comment
  UC855876  Caulanthus coulteri var. lemmonii Lewis S. Rose 1938-4-18 38152 San Joaquin Hospital Canyon 152 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-BC41070  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-5-24 5790 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC40346  Caulanthus lasiophyllus Peter H. Raven; R. Ornduff; et al. 1957-3-30 10560 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC40347  Caulanthus lasiophyllus Volney Rattan 1877-3-14 s.n. San Joaquin Live Oaks. Comment
  CDA24869  Caulanthus lasiophyllus Jim Jokerst 1989-3-3 3076 A San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  CHSC67905  Caulanthus lasiophyllus James D. Jokerst 1989-3-30 3076 A San Joaquin Lawrence Livermore Laboratory, Site 300. Comment
  CAS-BOT-BC40348  Caulanthus lasiophyllus E. E. Stanford 1930-4-19 1369 San Joaquin Patterson Pass Road. Near base of Coast Ranges. 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
  JEPS37534  Centaurea benedicta W. L. Jepson 1896-6-27 San Joaquin near Lathrop (plains of the lower San Joaquin); lower San Joaquin River Comment
  UCD129968  Centaurea benedicta W. A. Harvey 1969-4-9 s. n. San Joaquin Lucchesi Ranch, southwest corner of Jahant and Peltier roads, ca. 2 miles west of Clements. Comment
  UC35449  Centaurium muehlenbergii J. A. Sanford May 1878 80 San Joaquin Stockton Comment
  UC35447  Centaurium venustum J. A. Sanford 43 San Joaquin West Stockton Comment
  UC532128  Centromadia David D. Keck 1933-10-28 2573 San Joaquin ca. 3 mi e Stockton (Farmington Road 0.7 mi from intersection with U.S. 99) Comment
  CAS-BOT-BC288649  Centromadia fitchii Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi 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
  UC564046  Centromadia fitchii Ira L. Wiggins 1934-6-23 6938 San Joaquin 3.2 mi e Escalon (roadside on road to Oakdale) Comment
  UCD77499  Centromadia fitchii Robert E. Preston 2004-7-30 2276 San Joaquin Ca. 13.4 mi NE of Lodi. 49 Comment
  CAS-BOT-BC288653  Centromadia fitchii David D. Keck 1933-10-28 2585 San Joaquin 11.3 miles N of Stockton 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
  UCD18410  Centromadia fitchii Paul Verdegarl; Bob Muller 1999-5-21 s.n. San Joaquin city of Lodi, Atkins Rd. Comment
  CAS-BOT-BC271511  Centromadia parryi subsp. rudis H. M. Hall 1923-10-10 11912 San Joaquin On island just west of Stockton 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-BC271515  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton 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-BC271520  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
  CAS-BOT-BC271521  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
  UC134550  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin railroad track near Stockton Comment
  UC134634  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin near Stockton (railroad track) Comment
  UC532129  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin ca. 3 mi E of Stockton (Farmington Road, 0.7 mi from int with US 99) Comment
  UCD130198  Centromadia pungens G. F. Hrusa; S. A. Wagner 1992-4-24 9319 San Joaquin Caswell Memorial State Park. Comment
  UCD77504  Centromadia pungens Robert E. Preston 1999-8-31 1240 San Joaquin Ca. 6 mi S of Thornton, in field along E side of Interstate 5, between freeway and Thornton Rd, 1 mi S of Turner Rd. 3 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-BC279299  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2582 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279300  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2579 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279301  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2579 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279302  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2580 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
  UC30955  Centromadia pungens subsp. pungens H. P. Fitch 125 San Joaquin Stockton Comment
  UC30963  Centromadia pungens subsp. pungens F. T. Bioletti 1891-5-1 San Joaquin Lathrop Comment
  UC73975  Centromadia pungens subsp. pungens J. A. Sanford 22 San Joaquin Waverly Comment
  CAS-BOT-BC279297  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12848 San Joaquin 2 miles south of Stockton on Tracy Road Comment
  CAS-BOT-BC222954  Cephalanthus occidentalis Volney Rattan 1881-7-7 s.n. San Joaquin Mokelumne Riv. Comment
  CAS-BOT-BC222955  Cephalanthus occidentalis Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi. W. of San Joaquin Riv. Comment
  CAS-BOT-BC222961  Cephalanthus occidentalis Michener; Bioletti 1892-9-1 s.n. San Joaquin Between Quinby Island and Granks 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
  JEPS85901  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UC580096  Cephalanthus occidentalis var. californicus Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi w San Joaquin River Comment
  UCR233211  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2010-4-7 15832 A 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
  SEINET3406297 Image available Cerastium viscosum Unknown 1945-3-8 s.n. San Joaquin Near Stockton, San Joaquin County, California. Comment
  CAS-BOT-BC400159  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  UC635511  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  SEINET7040051  Chamaesyce albomarginata 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
  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
  JEPS52344  Chamaesyce serpyllifolia W. L. Jepson 1923-10-22 10274 San Joaquin Lower San Joaquin River, Union Island Comment
  UC110085  Chamaesyce serpyllifolia T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC136729  Chamaesyce serpyllifolia Katharine Brandegee Sept. 1907 San Joaquin Lathrop Comment
  UC173121  Chamaesyce serpyllifolia Katharine Brandegee 1914-9-27 San Joaquin near Lathrop (San Joaquin Bridge) Comment
  UC765677  Cheilanthes covillei R. F. Hoover 1946-4-13 6076 San Joaquin near lower end Corral Hollow 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
  RSA18399  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 507 San Joaquin 3 miles W of Manteca. Comment
  CDA3063  Chenopodium ambrosioides var. ambrosioides J. B. Gianelli 1958-11-18 San Joaquin W. Beckman property, Davis Road at WPRR. Southwest of Lodi. 0 Comment
  POM146135  Chenopodium ambrosioides var. ambrosioides E. E. Stanford 1926-10-28 89 San Joaquin Near Stockton Comment
  CDA3048  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  CDA3055  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  RSA18398  Chenopodium atrovirens C. B. Wolf 1927-6-23 508 San Joaquin 3 miles W of Manteca. Comment
  RSA18397  Chenopodium berlandieri var. sinuatum C. B. Wolf 1927-6-23 509 San Joaquin 3 miles W of Manteca. Comment
  UC7288  Chenopodium botrys J. A. Sanford 1890-1 34 San Joaquin Stockton Comment
  UC14077  Chenopodium californicum Benj. Cobb San Joaquin Tracy Comment
  CDA3068  Chenopodium murale J. B. Gianelli 1975-7-11 San Joaquin 1642 Paloma Avenue, Stockton. 0 Comment
  UCR194980  Chenopodium strictum var. glaucophyllum George 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
  CDA1898  Chloris virgata A. Bugbee 1968-8-15 San Joaquin H. Mohler property Monsieur & Curtice Roads, Ripon. 0 Comment
  CDA37741  Chorispora tenella C. Beutler 1975-4-16 s.n. San Joaquin South side of Eight Mile Road, 450 yds. east of W.P.R.R. tracks, seven miles southwest of Lodi. 0 Comment
  CAS-BOT-BC279844  Cichorium intybus Volney Rattan 1887-5-25 s.n. San Joaquin Near Stockton Comment
  POM147748  Cicuta douglasii E. E. Stanford 1927-8-10 676 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  CAS-BOT-BC105783  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
  RSA0008388  Cirsium crassicaule J. T. Howell 1933-7-20 11447 San Joaquin 2 miles NW of Lathrop Bridge on San Joaquin River Comment
  CAS-BOT-BC280115  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  CAS-BOT-BC285847  Cirsium vulgare John Thomas Howell 1930-9-28 5517 San Joaquin Holt Comment
  POM352186  Cirsium vulgare E. E. Stanford 1927-9-26 214 San Joaquin Stockton, near Louis Park Comment
  CDA6711  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  CDA6715  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
  RSA41124  Clarkia affinis Robert F. Hoover 1938-5-7 3356 San Joaquin 1 mile N of Corral Hollow near Alameda County line Comment
  UCD104868  Clarkia purpurea Marvin Nies 1951-5-4 54 San Joaquin 7 miles E of Lodi on Harney Lane. Comment
  RSA41297  Clarkia purpurea subsp. purpurea Robert F. Hoover 1937-5-18 2183 San Joaquin Near Lathrop Comment
  RSA126146  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1952-4-22 28309 San Joaquin Corral Hollow [Alameda Co.?] Comment
  CAS-BOT-BC165269  Clarkia speciosa subsp. nitens Volney Rattan 1885-6-5 s.n. San Joaquin Live Oaks, Mokelumne Riv. Comment
  CAS-BOT-BC165431  Clarkia unguiculata Gladys L. Smith 1959-5-1 1041 San Joaquin Open field near Wallace Comment
  UCD96904  Claytonia parviflora Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6945 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
  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
  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
  JEPS78661  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-2-28 1751 San Joaquin 18 mi sw Lockeford (between Waterloo and Lockeford) Comment
  CAS-BOT-BC440050  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1936-2-20 36012 San Joaquin Ripon 21 Comment
  CAS-BOT-BC92557  Clematis ligusticifolia E. E. Stanford 1926-10-14 59 San Joaquin Near Stockton. Comment
  UCD95589  Clematis ligusticifolia G. F. Hrusa 1992-8-25 9541 San Joaquin Caswell Memorial State Park. Comment
  POM355818  Cnicus benedictus E. E. Stanford 1930-4-12 1311 San Joaquin Manteca 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
  JEPS5872  Collinsia bartsiifolia var. bartsiifolia Robert F. Hoover 1938-4-9 3030 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  POM15264  Collinsia bartsiifolia var. bartsiifolia C. F. Baker 1903-4-25 2783 San Joaquin Tracy. Comment
  UC26561  Collinsia heterophylla F. W. Gunnison May 1896 San Joaquin Linden Comment
  UCD96903  Collinsia heterophylla var. heterophylla Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6944 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
  UC23133  Convolvulus arvensis H. P. Fitch 1888-8-7 149 San Joaquin Stockton Comment
  UCD14216  Convolvulus arvensis Janey Veneman 1974-5-18 77 B San Joaquin 1/2 mile north of Milton Road along the Escalon-Belota Highway. 36 Comment
  CAS-BOT-BC389761  Convolvulus arvensis R. D. Hennessey 1964-5-2 74 San Joaquin 1 mi. North of the Calaveras River and 7 miles northeast of the fork of the Calaveras River and the Stockton Channel Comment
  UCR235296  Conyza bonariensis George K. Helmkamp, E. A. Helmkamp 2011-11-21 18474 A 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
  UC26338  Cordylanthus pilosus J. A. Sanford 1890-1 428 San Joaquin Comment
  JEPS18191  Coreopsis calliopsidea Rimo Bacigalupi with F. Chisaki 1956-4-5 5582 San Joaquin first side canyon 0.45 mi ne Alameda-San Joaquin County line (off of Corral Hollow, about 1.5 mi n of the Corral Hollow Road) 396 Comment
  JEPS27276  Coreopsis calliopsidea Rimo Bacigalupi 1961-2-27 7546 San Joaquin in canyon to n Corral Hollow (just e of Alameda-San Joaquin County line just below and s of drop-tower installation of Atomic Energy Commission, on w-facing hillside); Midway USGS Quadrangle 243 Comment
  JEPS33602  Coreopsis calliopsidea R. F. Hoover 1938-3-19 2869 San Joaquin 1 mi n Cow Hollow (near Alameda 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
  CAS-BOT-BC287952  Coreopsis calliopsidea Brandegee No date on label s.n. San Joaquin San Joaquin Comment
  CHSC96773  Coreopsis tinctoria J. F. Silva; R. E. Skaggs 1966-11-17 San Joaquin Roadside, rd. to Bellota, 1 mil. n. of Escalon, San Joaquin Co. Comment
  CDA7463  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin East side of road to Bellota, 1 mile north of Escalon. 0 Comment
  CDA7464  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles east of Escalon, 0.3 mile west of Sutliff Road, north side of Lemon Avenue. 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
  CAS-BOT-BC210343  Cornus sericea E. E. Stanford 1930-8-1 1875 San Joaquin In San Joaquin Delta. Jones Tract Comment
  JEPS50138  Cornus sericea subsp. sericea W. L. Jepson 1913-11-22 5695 San Joaquin San Joaquin Delta, lower San Joaquin R., Middle R. Comment
  SEINET3292678 Image available Coronopus P. O. Schallert 1945-4-22 224 San Joaquin Stockton Comment
  CDA3695  Coronopus didymus T. C. Fuller 1962-4-2 8203 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  UC455495  Cotula coronopifolia N. K. Berg 1903-11-23 San Joaquin Stockton, Rough and Ready Island Comment
  UC61018  Cotula coronopifolia N. K. Berg 1903-11-28 San Joaquin Stockton, Rough and Ready 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-BC427605  Crassula aquatica Brian Atwater 1978-8-24 BA- 103 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  JEPS49992  Crassula aquatica J. A. Sanford 1890-1 360 San Joaquin Stockton Comment
  CAS-BOT-BC427687  Crassula connata Volney Rattan 1877-3-1 s.n. San Joaquin Live Oaks of Mokelumne River Comment
  CAS-BOT-BC427688  Crassula connata E. E. Stanford 1928-4-7 844 San Joaquin Stockton Comment
  OBI64497  Crassula tillaea David J. Keil 2005-3-13 30354 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada 82 Comment
  UC1873075  Crassula tillaea David Keil 2005-3-13 30354 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. 82 Comment
  POM225536  Cressa truxillensis J. T. Howell 1932-9-2 10791 San Joaquin Holt. 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
  UCR253791  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20059 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 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-BC190196  Crypsis vaginiflora C. V. Piper 1921-5-26 s.n. San Joaquin About Stockton. 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
  UC101504  Crypsis vaginiflora Katharine Brandegee 1907-10-2 San Joaquin Stockton to French Camp Comment
  UCD60002  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  CAS-BOT-BC190195  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  SEINET4565759  Crypsis vaginiflora K. Brandegee 1907-10-2 s.n. San Joaquin Stockton to French Camp Comment
  RSA22133  Cryptantha microstachys J. T. Howell 1938-4-10 13765 San Joaquin Hospital Canyon. Comment
  UC763024  Cryptantha nevadensis R. F. Hoover 1938-4-9 3026 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC416541  Cucurbita foetidissima Harriet A. Walker 1907-9-8 938 San Joaquin Lathrop Comment
  UC764802  Cucurbita foetidissima R. F. Hoover 1934-10-21 80 San Joaquin near Escalon Comment
  SEINET10531496  Cupressus macrocarpa E. E. Stanford 1927-9-23 Stanford 727 San Joaquin Near stockton. Introduced here from coastal region. Comment
  CAS-BOT-BC224411  Cuscuta californica John Thomas Howell 1930-10-11 5552 San Joaquin 5 miles south of Stockton Comment
  LA210096  Cuscuta californica John Thomas Howell; 1930-10-11 5552 San Joaquin 5 mi. S of Stockton Comment
  UCD126247  Cuscuta californica Rimo Bacigalupi; L. Constance 1962-8-13 8724 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road. 5 Comment
  UCD54456  Cuscuta californica Ron Kukas 1973-6-14 s.n. San Joaquin Ca. 4 miles north of Manteca, south of French Camp Road on State Hwy 99. 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
  CDA39956  Cuscuta campestris H. G. Wolf 1961-7-27 s.n. San Joaquin Southeast corner of Inland Drive and Stark Road. 0 Comment
  UCD54463  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Frontage Rd. along State Hwy 99. Comment
  SEINET3840919  Cuscuta indecora Dean G. Kelch, Jim Allan 2006-7-5 PDR 1344893 San Joaquin Stockton, Medical Arts Building, 6529 Inglewood Avenue, zip code: 95206 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
  UC173124  Cuscuta subinclusa Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge San Joaquin River Comment
  UC23248  Cuscuta subinclusa F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UCR273462  Cuscuta subinclusa Mitch Provance 2016-7-24 716- 08 San Joaquin Central Sierra Nevada, 3 miles S of North Fork, along Rd. 222, about 0.1 mi S of Ciatana Creek Rd. 690 Comment
  CDA5322  Cyclospermum leptophyllum J. B. Gianelli 1962-9-2 San Joaquin P. T. & T. Bldg., Lincoln Road, Stockton. 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
  UCD141112  Cyperus bipartitus Clyde Elmore 1968-9-18 s.n. San Joaquin Stockton Golf and Country Club, Stockton. Comment
  CAS-BOT-BC114445  Cyperus eragrostis John Thomas Howell 1933-7-20 11449 San Joaquin 2 mi NW of Lathrop bridge on San Joaquin River. Comment
  UC1100531  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton Comment
  UCD141050  Cyperus eragrostis G. F. Hrusa; S. A. Wagner 1992-7-8 9157 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC114446  Cyperus eragrostis Ira L. Wiggins 1934-6-23 6937 San Joaquin Drainage ditch 3.2 mi E of Escalon on road to Oakdale. 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
  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
  HSC103373  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton-Walnut Grove Rd., 0.1 mi. E of Mokelumne River Bridge, Sherman Island, ~ 4 mi. W of Thorton Comment
  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
  UCD141082  Cyperus esculentus Roote 1920-12-1 s.n. San Joaquin San Joaquin Valley: MacDonald Island, near Stockton. Comment
  SEINET7076493  Cyperus esculentus var. leptostachyus T. C. Fuller 1961-9-13 6993 San Joaquin Flora of the San Joaquin Valley. Thorton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, about 4 mile west of Thorton. Comment
  JEPS75003  Cyperus fuscus L. R. Heckard and P. Rubtzoff 1971-9-15 2811 San Joaquin ca. 4 air mi. s.w. Ripon (Caswell State Park, Stanislaus River); Caswell State Park, Stanislaus River Comment
  JEPS75004  Cyperus fuscus L. R. Heckard and P. Rubtzoff 1971-9-15 2811 San Joaquin ca. 4 air mi. s.w. Ripon; Caswell State Park, Stanislaus R. Comment
  CAS-BOT-BC114225  Cyperus fuscus LeRoy Abrams 1917-9-14 1734 San Joaquin 3 mi NW of Stockton in sand of Calaveras River. 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
  CAS-BOT-BC114043  Cyperus squarrosus Peter Rubtzoff 1965-7-13 s.n. San Joaquin San Joaquin River bottom at Airport Way crossing. 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
  CAS-BOT-BC435168  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin Ca. 3 miles N.E. of Vernalis, Durham Ferry Road crossing of the San Joaquin Rivers. Comment
  CAS-BOT-BC435183  Cypselea humifusa J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UC1100153  Damasonium californicum Herbert L. Mason 1928-5-3 4449 San Joaquin 0.4 mi. n. Clements Comment
  UC1543038  Damasonium californicum Donald G. Nelson 1939-6-9 608 San Joaquin 9 mi. e. on Austin Rd. Stockton (ca. 1 1/2 mi. s. of R.R.) 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
  UC26116  Datura ferox H. P. Fitch 1890-1 119 San Joaquin Stockton Comment
  UC444930  Datura ferox Harriet A. Walker 1907-9-8 891 San Joaquin Lathrop Comment
  UCD126524  Datura stramonium G. F. Hrusa; S. A. Wagner 1992-8-9 9369 San Joaquin Caswell Memorial State Park. 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
  JEPS12298  Datura wrightii W. L. Jepson 1918-7-7 7718 San Joaquin Manteca Comment
  JEPS12299  Datura wrightii W. L. Jepson 1919-6-21 8335 San Joaquin near Mossdale School (San Joaquin River); San Joaquin River Comment
  UC26102  Datura wrightii J. A. Sanford 1890-1 47 San Joaquin Stockton 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
  CAS-BOT-BC299947  Deinandra kelloggii E. E. Stanford 1930-5-10 1470 San Joaquin Near Stanislaus River Comment
  CAS-BOT-BC299948  Deinandra kelloggii W. L. Jepson 1896-7-17 s.n. San Joaquin Near Stockton 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
  JEPS38354  Deinandra kelloggii W. L. Jepson Jul 1896 San Joaquin Comment
  CAS-BOT-BC299943  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  RSA22187  Delphinium californicum subsp. interius Alice Eastwood, John T. 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
  JEPS21160  Delphinium californicum var. interius Alice Eastwood, John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC8661  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mile east of Midway Comment
  LA38161  Delphinium gypsophilum Lewis; Carl Epling 452 San Joaquin 1 mi. E of Midway (W of Tracy) Comment
  UC765769  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mi e Midway Comment
  UCD96919  Delphinium parishii subsp. parishii Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6956 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
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May 14 2015
  SJSU3102  Delphinium parryi subsp. parryi W. R. Gibson 1955-5-15 San Joaquin Corral Hollow, Mt Hamilton Range Comment
  UC596429  Delphinium parryi subsp. parryi R. F. Hoover 1938-5-7 3355 San Joaquin 1 mi N of Corral Hollow near Alameda Co. line Comment
  CAS-BOT-BC116441  Delphinium patens subsp. patens A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow, Tracy Comment
  UC766168  Delphinium recurvatum R. F. Hoover 1937-5-6 2080 San Joaquin 5 mi se Stockton Comment
  LA38343  Delphinium variegatum Lewis; Epling 608 San Joaquin Tesla--Corral Hollow Rd., 17.3 mi. W of junction with U.S. 50, W of 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
  SJSU3098  Delphinium variegatum M. E. Myers 1955-5-7 48 San Joaquin 12 mi E of Lodi 36 Comment
  POM195899  Deschampsia danthonioides C. R. Quick 1929-4-22 s.n. San Joaquin Stockton; depression. Oxford Manor. Comment
  UC912580  Deschampsia danthonioides Herbert L. Mason 1928-5-3 4444 San Joaquin 4 mi. n. Clememts Comment
  UCD62787  Deschampsia danthonioides Beecher Crampton 1966-5-3 7684 San Joaquin Ca. 7 3/4 miles NNE of Lodi; Liberty and Bruella Roads. 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
  UC1005622  Dichelostemma capitatum Frank W. Gould 1940-3-16 881 San Joaquin opposite Castle Rock; Mt. Hamilton Range, Corral Hollow 198 Comment
  UC765917  Dichelostemma capitatum R. F. Hoover 1935-3-1 274 San Joaquin Vernalis Comment
  UCD78137  Dichelostemma capitatum Robert E. Preston 2008-3-15 2587 San Joaquin 3.8 mi E of Clements, on W side of Cord Rd, 0.9 mi S of jct with Hwy 12 58 Comment
  JEPS61804  Dichelostemma multiflorum W. L. Jepson 1922-4-2 9572 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  SEINET10533941  Dichelostemma pulchellum Frank W. Gould 1940-3-16 Gould 881 San Joaquin Sandy ridge opposite Castle Rock, Corral Hollow, Mt. Hamilton Range; associated with Gilia tricolor, Lotus humistratus, Thysanocarpus elegans, and Athysanus pusillus; 650 feet. Comment
  UC486499  Digitalis purpurea Dr. P. van der Leek 1932-5-1 San Joaquin Stockton Comment
  CDA15308  Digitaria ischaemum J. Allan 1998-10-21 s.n. San Joaquin Central Valley; Purplish grass growing in residential lawn near Tracy. 0 Comment
  CAS-BOT-BC209016  Digitaria sanguinalis L. R. Abrams 1917-9-14 6738 San Joaquin 3 mi. northwest of Stockton, Calaveras River Comment
  RSA128802  Digitaria sanguinalis P. H. Raven 1951-6-27 3101 San Joaquin Tracy to Monteca Comment
  SEINET13384121 Image available Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-1 20079 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
  UCD64128  Digitaria sanguinalis G. F. Hrusa; S. A. Wagner 1992-8-9 9371 San Joaquin Caswell Memorial State Park, in W part of park. Comment
  UCR232646  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18436 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC151964  Diplacus douglasii Volney Rattan 1887-3-17 274 San Joaquin Live Oaks & Mokelumne River Comment
  CAS-BOT-BC151965  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151364  Diplacus tricolor Arthur Titus 1885-4-1 s.n. San Joaquin Live Oaks Comment
  SEINET188373  Diplacus tricolor C. L. Hitchcock 1940-1 6367 San Joaquin 3 mi S of Galt 16 Comment
  CAS-BOT-BC151365  Diplacus tricolor W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton 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
  CDA31692  Distichlis spicata T. C. Fuller 1958-9-19 1251 -58 San Joaquin Stockton 0 Comment
  UCD64484  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  SEINET10558194  Distichlis spicata var. nana E. E. Stanford 1930-5-10 Stanford 1474 San Joaquin West Ripon Rd. Roadsides in alkaline soil. Comment
  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
  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
  UC673356  Dodecatheon clevelandii subsp. patulum H. L. Mason 1927-4-7 5201 San Joaquin 4 mi e Clements; e of Clements Comment
  RSA654063  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin 7 3/4 miles NNE of Lodi, intersection of Liberty and Bruella roads. 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
  UC764546  Downingia bella R. F. Hoover 1935-5-12 563 San Joaquin sw of Modesto (along San Joaquin River) Comment
  JEPS5053  Downingia bicornuta Rimo Bacigalupi and Alex Hawkes 1951-4-21 3258 San Joaquin 4 mi e Stockton (along State Highway 4) Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  UC499756  Downingia bicornuta var. picta D. K. and J. W. Gillespie 1935-4-24 9234 San Joaquin 4 mi s Galt Comment
  UC766412  Downingia bicornuta var. picta R. F. Hoover 1936-4-30 1059 San Joaquin Bellota Comment
  CDA42334  Downingia bicornuta var. picta T. C. Fuller 1962-5-1 8339 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  RSA100241  Downingia bicornuta var. picta E. E. Stanford 1930-4-1 s.n. San Joaquin Northern part of the county. Comment
  UC635662  Downingia cuspidata H. L. Mason 1928-5-3 4446 San Joaquin 4 mi n Clements Comment
  JEPS14466  Downingia insignis J. A. Sanford c. 1890 San Joaquin Stockton Comment
  POM215483  Downingia insignis Adele Lewis Grant 1916-3-3 s.n. San Joaquin 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
  RSA28006  Downingia ornatissima C. L. Hitchcock 1940-4-29 6304 San Joaquin 3 miles south of Galt. 16 Comment
  UCSB9182  Downingia ornatissima Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Along State Highway 4, 2 miles east of Stockton 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
  UCD55114  Downingia ornatissima F. Chisaki; S. G. Smith and Peter M. Ray 1951-4-14 1987 San Joaquin On road toward Lockeford; 0.6 mile north of Collegeville. Comment
  JEPS14405  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  JEPS13208  Downingia ornatissima var. ornatissima Rimo Bacigalupi with G. T. Robbins 1955-5-5 4988 San Joaquin 1.5 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  UC765630  Downingia ornatissima var. ornatissima R. F. Hoover 1937-6-10 2397 San Joaquin Farmington Comment
  UCD98648  Dysphania ambrosioides G. F. Hrusa; S. A. Wagner 1992-8-9 9329 San Joaquin Caswell Memorial State Park. Comment
  UCD98791  Dysphania chilensis Collector Unknown 1928-10-1 1444 San Joaquin Stockton. Comment
  CAS-BOT-BC291093  Eastwoodia elegans Alice Eastwood; John Thomas Howell 1938-5-24 5791 San Joaquin Hosiptal [Hospital] Canyon Comment
  RSA21844  Eastwoodia elegans Alice Eastwood 1938-5-24 5791 San Joaquin Hospital Canyon. Comment
  CDA25995  Echinochloa colona G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14228 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
  JEPS110499  Echinochloa colona Robert E. Preston 2004-11-16 2305 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 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
  CAS-BOT-BC197078  Echinochloa crus-galli Brian Atwater 1978-8-31 BA- 133 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  UCD32935  Echinochloa crus-galli Beecher Crampton 1965-7-12 7457 a San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCD60842  Echinochloa crus-galli Beecher Crampton 1957-8-23 4587 San Joaquin Along US Hwy. 99 freeway, 3 miles S of 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
  CAS-BOT-BC197221  Echinochloa crus-pavonis Brian Atwater 1978-8-24 BA- 118 San Joaquin Between Rindge Tract and Wright Tract Comment
  UCD32937  Echinochloa crus-pavonis Beecher Crampton 1965-7-12 7457 c San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCD60949  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, delta region. Comment
  UCR253542  Echinochloa muricata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20085 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
  CAS-BOT-BC197233  Echinochloa muricata var. muricata L. R. Abrams 1917-9-14 6739 San Joaquin 3 mi. northwest of Stockton - Calaveras River Comment
  UC142470  Echinodorus berteroi Katharine Brandegee Sept. 1907 San Joaquin San Joaquin R. near Lathrop; San Joaquin R. Comment
  CDA15561  Eclipta prostrata G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14892 San Joaquin Caswell Memorial State Park. Stanislaus River W terminus of Fence Line trail. Comment
  UC912246  Eclipta prostrata Herbert L. Mason 1928-9-30 4966 San Joaquin near Holt; San Joaquin Delta Comment
  UCD130854  Eclipta prostrata G. F. Hrusa 1992-8-26 9527 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC291134  Eclipta prostrata J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UC1100127  Egeria densa Herbert L. Mason and Verne Grant 1946-8-21 13061 San Joaquin w of Stockton (on Borden Highway) 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
  RSA366704  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert s Island, southwest of Holt. Comment
  SBBG45002  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, SW of Holt Comment
  CDA2660  Eichhornia crassipes W. S. Ball Oct 1946 San Joaquin Stockton Delta. 0 Comment
  UCD139988  Eichhornia crassipes Herbert L. Mason; Verne Grant 1946-8-21 13063 San Joaquin west of Stockton on Borden Highway. Comment
  UCSB27348  Eichhornia crassipes Havlik, Neil 1969-7-27 San Joaquin Trapper Slough, about nine miles west of Stockton 6 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
  CAS-BOT-BC112757  Eleocharis macrostachya Ernest Elwood Stanford 1927-4-9 140 San Joaquin Near Stocton, in mud in roadside ditch. Comment
  CDA38944  Eleocharis macrostachya T. C. Fuller 1962-5-1 8296 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  CDA38945  Eleocharis macrostachya T. C. Fuller 1962-5-1 8343 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  UCD49801  Eleocharis macrostachya G. F. Hrusa 1992-8-26 9536 San Joaquin Occasional above waterline along open banks of the Oxbow Lake. Comment
  UCD49804  Eleocharis macrostachya G. F. Hrusa; S. A. Wagner 1992-4-22 9272 San Joaquin Caswell Memorial State Park. Occasional on very wet river margin at base of easternmost beach below campgrounds. Comment
  CDA39000  Eleocharis obtusa var. engelmannii J. F. Silva 1964-6-16 s.n. San Joaquin Escalon district. 0 Comment
  CAS-BOT-BC197328  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along n. bank of Coyote Creek, n.e. of Collier Rd. & Linn Rd., ca. 2.5 mi. n. of Clements Comment
  CDA2031  Eleusine tristachya T. C. Fuller 1971-1-29 19811 San Joaquin A. Steglemier property, south side of Kingdon Road, 0.5 miles east of Thornton Road, ca. 5 miles southwest 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
  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
  UCD61226  Eleusine tristachya Robert E. Preston 2004-9-3 2294 San Joaquin Ca. 9.5 mi NE of Lodi, along Liberty Rd, 0.25 mi W of Jack Tone Rd. 28 Comment
  UCD61231  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
  UCD61233  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 mile S of Lodi. Comment
  UCD61260  Eleusine tristachya Mick Canevari 1983-1-11 San Joaquin Lodi area. Comment
  UCR201901  Eleusine tristachya George K. Helmkamp, E. A. Helmkamp 2008-10-9 14227 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
  UC632738  Elodea canadensis H. L. Mason 1939-6-9 12104 A San Joaquin about 9 mi se Stockton (at junction of Austin Road and Little John Creek) Comment
  UC814656  Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin 2 mi e Manteca (at junction of Jack Road and Highway 120) 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
  SJSU10793  Elymus triticoides subsp. triticoides H. T. Harvey 1977-6-11 585 San Joaquin S Spud Island in San Joaquin River Delta c. 10 mi NW of center of Stockton Comment
  CDA2061  Elytrigia repens A. E. Mahoney May 1933 San Joaquin 0 Comment
  JEPS1585  Emmenanthe penduliflora A. R. Arnold 1922-4-30 San Joaquin Corral Hollow, Inner South Coast Ranges Comment
  CDA25628  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14229 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
  SD241111  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  UC173123  Epilobium brachycarpum Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC422959  Epilobium brachycarpum Harriet A. Walker 1907-9-8 921 San Joaquin Lathrop Comment
  UCR232686  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCD105786  Epilobium ciliatum subsp. ciliatum G. F. Hrusa; S. A. Wagner 1992-7-8 9148 San Joaquin Caswell Memorial State Park. 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
  UC19943  Epilobium densiflorum J. A. Sanford 1890-1 182 San Joaquin W. Stockton Comment
  UC764919  Epilobium torreyi R. F. Hoover 1935-6-12 651 San Joaquin Farmington Comment
  CAS-BOT-BC56957  Equisetum arvense Brian Atwater 1978-8-18 BA- 50 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  CAS-BOT-BC56958  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, in Calaveras River bottom Comment
  RSA684652B  Equisetum arvense Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. 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
  JEPS74991  Eragrostis hypnoides L. R. Heckard and P. Rubtzoff 1971-9-15 2809 San Joaquin ca. 4 air mi. s.w. Ripon (Stanislaus R. at Caswell State Park); Caswell State Park, Stanislaus R. Comment
  UC173120  Eragrostis hypnoides Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC188865  Eragrostis hypnoides Michener and Bioletti 1891-8-31 144 San Joaquin Lathrop Comment
  UC38312  Eragrostis hypnoides Michener and Bioletti 1891-8-30 144 San Joaquin Lathrop Comment
  POM146103  Eragrostis mexicana subsp. virescens E. E. Stanford 1926-10-23 78 San Joaquin Stockton Comment
  UC769861  Eragrostis mexicana subsp. virescens R. F. Hoover 1937-6-9 2394 San Joaquin 5 mi se Stockton Comment
  UCD64107  Eragrostis mexicana subsp. virescens J. A. Sanford 1921-10-1 San Joaquin Stockton. Comment
  UCD38678  Eragrostis pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  UCD65668  Eragrostis pilosa Beecher Crampton 1956-7-30 3737 San Joaquin eastern city limits of Lockeford. Comment
  UCD65675  Eragrostis pilosa G. F. Hrusa; S. A. Wagner 1992-8-9 9366 San Joaquin Caswell Memorial State Park. 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
  RSA0010428  Eremalche parryi subsp. kernensis Anonymous 1937-3-27 s.n. San Joaquin Near Shafter, San Joaquin Valley. Comment
Read comments
Jul 13 2018
  CAS-BOT-BC160111  Eremothera boothii subsp. decorticans Alice Eastwood; John Thomas Howell 1938-4-18 5090 San Joaquin Hospital Canyon Comment
  RSA616129  Ericameria L. C. Wheeler 1952-9-29 6992 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CAS-BOT-BC287515  Ericameria linearifolia Peter H. Raven; et al. 1957-3-30 10564 San Joaquin Corral Hollow Comment
  CDA4607  Ericameria linearifolia T. C. Fuller 1962-4-24 8219 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  RSA91787  Ericameria linearifolia E. E. Stanford 1930-4-5 1218 San Joaquin Hospital Canyon. Comment
  UC87259  Ericameria nauseosa var. speciosa unknown San Joaquin Basaltic Cliffs Comment
  UCR195149  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13092 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR201921  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2008-10-9 14234 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
  JEPS2574 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  UCD131463  Erigeron philadelphicus var. philadelphicus G. F. Hrusa; S. A. Wagner 1992-4-22 9304 San Joaquin Caswell Memorial State Park. Comment
  UCD65697  Eriochloa acuminata Robert E. Preston 2004-8-27 2289 San Joaquin 7.4 mi E of Galt, along Elliot Rd. 27 Comment
  CDA32129  Eriochloa acuminata var. acuminata J. B. Gianelli 1989-6-15 San Joaquin Stockton; in 40 acre field of corn. 0 Comment
  CDA40322  Eriodictyon californicum T. C. Fuller 1962-4-24 8214 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CAS-BOT-BC248545  Eriogonum angulosum W. H. Brewer 1861-10-18 851 San Joaquin At Camp 61, Corral Hollow 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
  CAS-BOT-BC250038  Eriogonum fasciculatum var. polifolium E. E. Stanford 1930-4-19 1413 San Joaquin Corral Hollow Road Comment
  CAS-BOT-BC250039  Eriogonum fasciculatum var. polifolium Alice Eastwood; John Thomas Howell 1938-5-24 5792 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC250507  Eriogonum gracile John Thomas Howell 1927-8-27 3066 San Joaquin 3 miles west of Manteca 15 Comment
  JEPS56941  Eriogonum gracile F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC161887  Eriogonum gracile Katharine Brandegee Sept. 1907 San Joaquin near Lathrop Comment
  UC762631  Eriogonum gracile R. F. Hoover 1940-12-1 4705 San Joaquin middle part of Corral Hollow Corral Hollow Comment
  UC768560  Eriogonum gracile R. F. Hoover 1934-10-21 49 San Joaquin near Escalon Comment
  RSA229  Eriogonum gracile var. gracile J. T. Howell 1927-8-27 706 San Joaquin Near Manteca, San Joaquin Valley 15 Comment
  CAS-BOT-BC33646  Eriogonum gracillimum Marcus Eugene Jones 1903-5-18 s.n. San Joaquin Victor 792 Comment
  CAS-BOT-BC259463  Eriogonum luteolum Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  CAS-BOT-BC261451  Eriogonum nudum var. nudum Mrs. Ella D. Cantelow 1957-7-19 s.n. San Joaquin 3.5 miles west of Manteca Comment
  CAS-BOT-BC269734  Eriogonum nudum var. oblongifolium Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  CAS-BOT-BC269736  Eriogonum nudum var. oblongifolium Volney Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  UC17054  Erodium botrys Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UC17059  Erodium botrys J. A. Sanford 1890-1 358 San Joaquin Waverly 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
  UCD103130  Erodium brachycarpum G. F. Hrusa; S. A. Wagner 1992-3-4 9078 San Joaquin Caswell Memorial State Park. Comment
  SEINET3289502 Image available Erodium cicutarium P. O. Schallert 1945-3-8 C 29 San Joaquin Near Stockton, California Comment
  UC1130285  Erodium cicutarium R. D. Roseberry 1935-5-13 161 San Joaquin Mokelumne River Jackson Quad. 60 Comment
  UC17086  Erodium cicutarium Jos. Burtt Davy 1901-3-3 San Joaquin Lathrop Comment
  CDA57  Erodium macrophyllum A. R. Tugel 1938-4-1 s.n. San Joaquin Tracy, in vineyard (?-M.K. Bellue). 0 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
  UCR253570  Erodium moschatum George K. Helmkamp 2014-3-18 22583 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
  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
  UC1122953  Eryngium castrense R. D. Roseberry 1935-5-16 180 San Joaquin 4 mi. n.w. Milton (Plot No. 133); Jackson Quad. 121 Comment
  UC21012  Eryngium castrense J. A. Sanford 1890-1 406 San Joaquin Waverly Comment
  RSA26761  Eryngium castrense Roxana S. Ferris 1940-6-1 9843 San Joaquin Slough about 3 miles west of Lockford on Stockton-Lockford road. Comment
  UC1487256  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin 0.3 mi. w. of Stanislaus Co. line on Funk Rd. Comment
  JEPS14006 Image available Eryngium racemosum W. L. Jepson 1923-10-22 10287 San Joaquin San Joaquin City San Joaquin River; San Joaquin City, San Joaquin River, San Joaquin Co. Comment
  UC106366  Eryngium racemosum T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC764478  Eryngium vaseyi R. F. Hoover 1936-5-20 1128 San Joaquin Escalon Comment
  SEINET9112149  Eryngium vaseyi Unknown C- 1112 San Joaquin San Joaquin City marker Comment
  CAS-BOT-BC54450  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-4-18 5086 San Joaquin Hospital Canyon. 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
  CAS-BOT-BC403525  Eschscholzia californica E. E. Stanford 1928-3-10 799 San Joaquin Manteca Comment
  JEPS51765  Eschscholzia californica Audrey Lambourne 1916-4-2 San Joaquin near Stockton Comment
  JEPS51790  Eschscholzia californica W. L. Jepson 1902-5-18 1821 San Joaquin Clements 40 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
  UC85499  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  CAS-BOT-BC403524  Eschscholzia californica E. E. Stanford 1927-4-3 136 San Joaquin Near Linden Comment
  SEINET10825964 Image available Eschscholzia californica Charles F. Baker 1903-4-25 Baker 2906 San Joaquin Tracy. Abundant in sandy fields. Comment
  UC144805  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Mr. Litchfield's Farm Lathrop Comment
  RSA21454  Eschscholzia californica var. peninsularis Carl B. Wolf 1937-3-31 8388 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  CHSC22896  Eschscholzia lobbii Robert A. Schlising 1963-4-5 2841 San Joaquin Junction of Hwy 8 and Ospital Road. Comment
  RSA135434  Eschscholzia lobbii Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC419475  Eschscholzia lobbii E. E. Stanford 1929-4-7 1032 San Joaquin Near Peters, Hewitt Road Comment
  POM196038  Eschscholzia lobbii E. E. Stanford 1929-4-7 1032 San Joaquin Near Peters. Hewitt Rd. Comment
  RSA0010835  Eucalyptus E. E. Stanford 1930-5-31 1540 San Joaquin Near Montica. Comment
  SEINET12190740  Eucalyptus viminalis E. E. Stanford 1927-1 95 San Joaquin Stockton Comment
  CDA4982  Euonymus fortunei var. radicans J. B. Gianelli 1979-11-23 San Joaquin Manteca Garden Center, Manteca. 0 Comment
  CDA4827  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin San Joaquin Valley; between rails of the W.P. R.R. tracks; Terminous. 0 Comment
  CDA4828  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin San Joaquin Valley; between rails of the W.P. R.R. tracks; Terminous. 0 Comment
  UC1220394  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin W. P. R. R. tracks, Terminous Comment
Read comments
Mar 19 2010
  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
  UCD142626  Euphorbia nutans R. DeVol 1959-9-4 s.n. San Joaquin Lodi; west side of Pearson Road, 1/2 mile south of Armstrong Rd. 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
  CDA4868  Euphorbia oblongata M. Switzenberg 1958-9-29 San Joaquin North side of Highway 4, 1/2 mile west of Woodsbro Road, 4 miles west of Stockton. 0 Comment
  UCD77521  Euphorbia ocellata subsp. ocellata Robert E. Preston 2004-7-29 2274 San Joaquin Ca. 13.4 mi NE of Lodi 49 Comment
  CDA15455  Euphorbia peplus Groner 1999-3-6 PDR 1221752 San Joaquin San Joaquin Valley; in Lodi. 0 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
  UCD142816  Euphorbia serpillifolia Daryl Koutnik 1988-6-7 s.n. San Joaquin Acampo, north of Lodi at 5401 Jahant Road, 1 mile east of Hwy 99. 22 Comment
  CAS-BOT-BC312280  Euthamia occidentalis Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi 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
  UC485617  Euthamia occidentalis Harriet A. Walker 1907-9-8 900 San Joaquin near S.P.R.R. Lathrop Comment
  UCR253794  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20069 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC312281  Euthamia occidentalis E. E. Stanford 1927-9-26 716 San Joaquin Near Lois Park, Stockton 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
  SEINET3271554 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14469 San Joaquin San Joaquin Valley; along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  UCR208314  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14469 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  LA13160  Festuca microstachys Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin E end of Corral Hollow Comment
  UCR232260  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2011-3-12 17076 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 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
  CHSC83249  Fimbristylis vahlii Beecher Crampton 1960-8-9 5769 San Joaquin 3 miles northeast of Vernalis (in direct line), Durham Ferry Road crossing of the San Joaquin River. River margin. Comment
  RSA97812  Forestiera pubescens R. C. Bacigalupi 1949-5-17 3098 San Joaquin Hospital Canyon, lower slopes. 183 Comment
  CAS-BOT-BC384219  Forestiera pubescens subsp. parvifolia E. E. Stanford 1930-4-5 1212 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-BC211626  Frankenia salina L. R. Abrams 1915-7-27 5318 San Joaquin San Joaquin Valley, near Volta Comment
  UC672598  Frankenia salina H. L. Mason 1928-9-30 4967 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC223540  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-BC223541  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley, 1 mi. W of Farmington 30 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-BC223545  Fraxinus latifolia E. E. Stanford 1928-3-20 833 San Joaquin Near Peters 45 Comment
  CAS-BOT-BC223546  Fraxinus latifolia E. E. Stanford 1927-5-21 452 San Joaquin Stockton. Near levee, Louis Park Comment
  UC580051  Fraxinus latifolia Ira L. Wiggins 1934-10-25 6983 San Joaquin 1 mi w San Joaquin River 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
  CDA5842  Galinsoga parviflora J. B. Gianelli 1983-7-27 San Joaquin East of house at 16229 East Copporolis Road. 0 Comment
  UCD96912  Galium aparine Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6950 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
  UCR238401  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 52 Comment
  UCD121931  Galium trifidum G. F. Hrusa; S. A. Wagner 1992-7-8 9169 San Joaquin Caswell Memorial State Park. Comment
  RSA129642  Gastridium phleoides R. D. Roseberry 1935-5-13 169 San Joaquin 2 1/2 miles SSW of Wallace. 122 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
  UC17127  Geranium carolinianum J. A. Sanford 1890-1 348 San Joaquin Stockton Comment
  UCR232197  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2011-3-12 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
  SJSU11650  Gilia capitata subsp. pedemontana S. R. Piazza 1963-5-19 San Joaquin Ripon c. 15 mi NW of Modesto 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
  POM195970  Gilia capitata subsp. staminea E. E. Stanford 1928-4-21 919 San Joaquin Lathrop Comment
  UC1005616  Gilia capitata subsp. staminea Frank W. Gould 1939-3-18 580 San Joaquin open hillslopes near Castle Rock (Corral Hollow); Mt. Hamilton Range, , near Castle Rock 198 Comment
  UC1562828  Gilia capitata subsp. staminea Barbara Ertter with Dale McNeal 1986-3-14 5786 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
  UC52360  Gilia capitata subsp. staminea Benj. Cobb 1900-4-10 8 San Joaquin Tracy 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
  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
  HSC12249  Gilia tricolor Gary J. Stebbins 1970-3-28 54 San Joaquin Along S.R. 88, 1.5 mi. SW of the Amador Co. line 38 Comment
  UC1785059  Gilia tricolor subsp. diffusa J. Ewan 1934-3-1 8613 San Joaquin open fields along floor of Corral Hollow, S of Carnegie Comment
  SD241129  Gilia tricolor subsp. tricolor George K. 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 (33a^z) of Clements (Goose Creek 7.5'Q) 78 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
  UC1055821  Gilia tricolor subsp. tricolor Frank W. Gould 1940-3-16 880 San Joaquin near Castle Rock (Corral Hollow); Mt. Hamilton Range, near Castle Rock, Corral Hollow 259 Comment
  UC23858  Gilia tricolor subsp. tricolor F. W. Gunnison May, 1896 San Joaquin Linden Comment
  SEINET10464481  Githopsis pulchella subsp. pulchella Gibbs GIBBS s.n. San Joaquin Stockton. Comment
  JEPS33273  Glinus lotoides Rimo Bacigalupi and L. Constance 1962-8-13 8711 San Joaquin just n of site of San Joaquin City (just above waterline of San Joaquin River, just n of bridge of the Durham Ferry Road); San Joaquin River 3 Comment
  UCD77743  Glinus lotoides Robert E. Preston 2004-7-29 2275 San Joaquin Ca. 13.4 mi NE of Lodi 29 Comment
  CAS-BOT-BC435010  Glinus lotoides J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta Comment
  CDA3382  Glinus lotoides J. F. Silva 1964-10-27 San Joaquin Escalon district. 0 Comment
  UC15277  Glycyrrhiza lepidota J. A. Sanford 1890-1 69 San Joaquin Stockton Comment
  POM146207  Glycyrrhiza lepidota E. E. Stanford 1927-5-21 446 San Joaquin Near Stockton. In sand, Calaveras River Bottom 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
  CDA6032  Gnaphalium luteoalbum T. C. Fuller 1968-10-16 17711 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 0 Comment
  UCR63914  Gnaphalium palustre L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC173827  Gnaphalium palustre Peter Rubtzoff 1965-7-13 s.n. San Joaquin San Joaquin River bottom at Airport Way crossing. Comment
  JEPS16905  Gratiola ebracteata Rimo Bacigalupi with G. Thomas Robbins 1955-5-5 5000 San Joaquin on road to Farmington 1 1/2 mi s Peters 33 Comment
  JEPS4215  Gratiola ebracteata R. F. Hoover 1937-6-10 2401 San Joaquin 2 mi ne Clements Comment
  RSA27407  Gratiola ebracteata C. Leo Hitchcock 1940-4-29 6305 San Joaquin 3 miles south of Galt. 16 Comment
  UC672545  Gratiola ebracteata H. L. Mason 1928-5-3 4453 San Joaquin four mi n Clement Comment
  UC885860  Gratiola ebracteata C. L. Hitchcock 1940-4-29 6305 San Joaquin 3 mi s Galt 15 Comment
  OBI43824  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin Along Hwy I-5, .7 mi N of the Hospital creek bridge and 2.2 mi N of the Stanislaus co. line. 76 Comment
  POM147780  Grindelia camporum E. E. Stanford 1927-9-26 719 San Joaquin Stockton. 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
  POM359068  Grindelia camporum E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  POM359069  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  RSA80711  Grindelia camporum J. T. Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile W of Holt. 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-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-BC304979  Grindelia hirsutula John Thomas Howell 1930-10-11 5550 San Joaquin 1 mile west of San Joaquin River bridge near Lathrop Comment
  CAS-BOT-BC304983  Grindelia hirsutula R. F. Hoover 1965-9-24 9647 San Joaquin River Road near San Joaquin River just north of Stanislaus Co. line Comment
  CAS-BOT-BC304987  Grindelia hirsutula Ira L. Wiggins 1934-10-25 6979 San Joaquin Along slough 1 mi. W. of San Joaquin Riv. Comment
  JEPS41919  Grindelia hirsutula W. L. Jepson 1896-7-17 San Joaquin on road from Atlanta; Stockton Comment
  SEINET3142946  Grindelia hirsutula M. P. Dunford 1959-10-31 572 San Joaquin 5.5 mi. NE of Tracy; 2.5 mi. SW of Hwy 50 bridge across San Joaquin River 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
  UC32097 Image available Grindelia hirsutula F. T. Bioletti 1892-9-8 San Joaquin Banta Comment
  UC32112  Grindelia hirsutula J. Burtt Davy 1893-11-13 1177 San Joaquin Stockton 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
  UC87892  Grindelia hirsutula T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge 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
  UC857445  Guillenia flavescens Alice Eastwood and John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon Comment
  RSA97102  Guillenia flavescens 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
  CAS-BOT-BC314539  Gutierrezia californica John Thomas Howell 1932-10-16 10845 San Joaquin 9 1/2 miles fromTracy on Tesla Road Comment
  CDA14354  Gutierrezia californica J. Allan 1997-8-19 San Joaquin both sides of Corral Hollow Road, southwest of Tracy. 0 Comment
  UC1557883  Gutierrezia californica J. Semple, S. Heard 1986-8-21 8581 San Joaquin e of Livermore (near perimeter of Lawrence Livermore Explosives Test Site 300); Hwy J-2 Comment
  UCR194719  Gypsophila elegans George K. Helmkamp, E. A. Helmkamp 2007-10-13 13084 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC306282  Hedypnois cretica E. E. Stanford 1930-4-26 1419 San Joaquin Copperopolis Rd. west of Peters Comment
  POM359732  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
  UC32239  Helenium puberulum J. A. Sanford San Joaquin w Stockton; San Joaquin Valley, Meyer's Tract Comment
  UC1491982  Helianthus annuus J. L. Strother 1977-7-19 1278 bis San Joaquin ca 2 mi n Escalon Comment
  UC32276  Helianthus annuus J. Burtt Davy 1893-11-13 1196 San Joaquin Stockton Comment
  UCD131742  Helianthus annuus G. F. Hrusa; S. A. Wagner 1992-8-9 9372 San Joaquin Caswell Memorial State Park. 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
  POM360027  Helianthus annuus E. E. Stanford 1927-8-18 682 San Joaquin Stockton. Near railroad tracks Comment
  SEINET4008520 Image available Helianthus petiolaris var. canescens G. L. Stebbins Jr. 1946-1 sn San Joaquin 3.7 miles east of Manteca on route 120 to Escalon, south side of road between unpainted frame house and shingle cottage with olive trees in front and red privy in back. Comment
  UC1745566  Heliotropium curassavicum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 682 San Joaquin Holt. Comment
  SEINET3293530 Image available Heliotropium curassavicum subsp. oculatum P. O. Schallert 1945-5-30 San Joaquin Stockton, Delta Area Comment
  RSA74890  Heliotropium curassavicum var. oculatum Elroy Robinson 1935-9-14 s.n. San Joaquin Lathrop. Comment
  UCD119424  Heliotropium curassavicum var. oculatum G. F. Hrusa 1992-8-26 9554 San Joaquin Caswell Memorial State Park. Comment
  JEPS12599  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  UC134557  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1907-10-2 San Joaquin near Stockton (on railroad track) Comment
  UC32736  Hemizonia congesta subsp. luzulifolia J. A. Sanford 1890-1-1 12 San Joaquin French Camp Comment
  POM360306  Hemizonia kelloggii D. D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  SEINET3387093 Image available Hemizonia kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles east of Manteon. 23 Comment
  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
  CDA37460  Hemizonia pungens D. G. Kelch 2011-10-4 11 .829 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  CDA7795  Hemizonia pungens J. B. Gianelli 1960-3-29 San Joaquin Thornton Road, 1 mile south of Kingdon Road. (Off I-5, west of Lodi) 0 Comment
  SEINET5336911  Herniaria cinerea K. Brandegee 1907-5-7 s.n. San Joaquin Near Tracy, on the first cross road to the west. Comment
  POM101087  Herniaria hirsuta subsp. cinerea Katherine Brandegee 1907-08 s.n. San Joaquin Near Lathrop. Comment
  RSA21629  Herniaria hirsuta subsp. cinerea Roxana S. Ferris 1938-4-15 9405 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  CAS-BOT-BC388502  Herniaria hirsuta var. cinerea W. Ernst 1956-5-12 s.n. San Joaquin Corral Hollow, about 15 miles eastward from Livermore Comment
  CAS-BOT-BC388504  Herniaria hirsuta var. cinerea Roxana S. Ferris 1938-4-15 9405 San Joaquin At the mouth of Corral Hollow Comment
  CAS-BOT-BC310166  Hesperevax caulescens Roxana S. Ferris 1953-5-15 12651 San Joaquin On road betw. Everett School & intersection with Bellota-Farmington road, ca. 2 mi. W of intersection 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
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  SEINET3292415 Image available Heterotheca grandiflora P. O. Schallert 1945-4-22 San Joaquin Delta Area, near Stockton, California Comment
  UCD132146  Heterotheca grandiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9139 San Joaquin Caswell Memorial State Park. Comment
  RSA0075871  Heterotheca grandiflora Steven A. Junak 1991-7-31 sc 2777 San Joaquin Santa Cruz Island, Coches Prietos Beach 5 Comment
  JEPS9060  Hibiscus lasiocarpos W. L. Jepson 1913-11-22 5696 San Joaquin Middle R. 1 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
  JEPS9105  Hibiscus lasiocarpos Dr. W. P. Gibbons 1895-10-15 San Joaquin Stockton 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-BC123647  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
  CAS-BOT-BC123648  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
  CDA5019  Hibiscus trionum E. B. Eby 1961-10-2 San Joaquin John Graffignia property, Pullman Road, Stockton. 0 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
  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
  UC82417  Hoita macrostachya Katharine Brandegee 1892-9-7 San Joaquin Bouldin Island Sacramento River Comment
  UCD84862  Holcus lanatus Beecher Crampton 1965-7-12 7456 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  CAS-BOT-BC324600  Holocarpha obconica John Thomas Howell 1932-10-16 10843 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC324601  Holocarpha obconica James I. McMurphy 1908-10-19 s.n. San Joaquin 3-4 miles out of Tracy 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
  OBI16046  Holocarpha obconica Robert F. Hoover 1965-9-24 9646 San Joaquin River Rd just N of Stanislaus Co line, near San Joaquin river Comment
  OBI43822  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin Along Hwy I-5, 0.7 mi N of the Hospital Crk bridge and 2.2 mi N of the Stanislaus Co line 76 Comment
  SD124918  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin Along highway I-5, 0.7 miles north of the hospital Creek bridge and 2.2 miles north of the Stanislaus Co. Line. 74 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
  CAS-BOT-BC320375  Holocarpha virgata C. C. Parry 1881-1-1 125 San Joaquin Corral Hollow Comment
  CAS-BOT-BC320345  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320346  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320374  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320376  Holocarpha virgata H. M. Hall 1930-9-25 12890 San Joaquin Lodi air-port Comment
  OBI75387  Holocarpha virgata subsp. virgata David J. Keil 1988-8-23 20991 San Joaquin Liberty Road, 4.2 miles east of Hwy 99. Comment
  JEPS24325  Holozonia filipes G. Thomas Robbins with Robt. Ornduff and Howard Whisler 1959-10-25 4170 San Joaquin 3.5 mi e Farmington (0.5 mi w of Stanislaus Co. line, along State Highway 4, in the first low, rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  UC913094  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi e Farmington (on the road to Milton) 35 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
  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-BC285042  Hordeum depressum L. R. Abrams 1935-4-20 s.n. San Joaquin Stockton to Lodi Comment
  POM352453  Hordeum depressum C. R. Quick s.n. San Joaquin Tuxedo Park Comment
  UC769871  Hordeum depressum R. F. Hoover 1940-12-7 4712 San Joaquin 2 mi E of Midway Comment
  CDA43396  Hordeum jubatum Ken Peek 2015-4-14 PDR# 010 P06220548 San Joaquin Vicinity of Tracy. 0 Comment
  CAS-BOT-BC285127  Hordeum marinum subsp. gussoneanum E. E. Stanford 1930-5-12 1478 San Joaquin Robert's Island Comment
  CAS-BOT-BC285129  Hordeum marinum subsp. gussoneanum Gladys L. Smith 1959-5-2 1061 San Joaquin Wallace, Hwy. 12 60 Comment
  UCD96918  Hordeum murinum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6955 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
  POM195898  Hordeum murinum subsp. glaucum C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; In fields near campus Comment
  RSA123421  Hordeum murinum subsp. glaucum C. M. Belshaw 1936-4-23 1964 San Joaquin 3 miles S.S.W. of Stone Corral 122 Comment
  HSC10198  Hordeum murinum subsp. leporinum C. S. Chavez 1965-4-10 28 San Joaquin Hwy. 50 downtown Tracy Comment
  POM352477  Hordeum murinum subsp. leporinum C. R. Quick 1929-3-18 s.n. San Joaquin Campus, Stockton Comment
  UC73791  Hordeum murinum subsp. leporinum Mr. Sanford 1890-4-11 37 San Joaquin Waverly Comment
  UCD86239  Hordeum murinum subsp. leporinum G. F. Hrusa; S. A. Wagner 1992-3-4 9237 San Joaquin Caswell Memorial State Park. Beach below picnic areas. 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
  SEINET8718804 Image available Hordeum vulgare Laura Zeller 1965-1 60 San Joaquin Ca. .5 mile E of intersection of Davis Road and 8-mile Road on 8-mile Road. Comment
  UC566854  Hydrocotyle ranunculoides H. L. Mason 1928-9-30 4958 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UCR123623  Hydrocotyle umbellata 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
  UC765490  Hydrocotyle verticillata Robert F. Hoover 1935-9-7 718 San Joaquin Union Isl. Comment
  UCR63920  Hypericum perforatum L. F. LaPre 1990-6-5 s.n. San Joaquin Forster Ranch at the gate on 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
  SEINET3387516 Image available Hypochaeris glabra P. O. Schallert 1945-3-18 123 San Joaquin Open fields near Stockton, California, San Joaquin Co. Comment
  UCD133343  Hypochaeris glabra G. F. Hrusa; S. A. Wagner 1992-4-22 9281 San Joaquin Caswell Memorial State Park. Comment
  UCD126566  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
  UCD110271  Juglans hindsii G. F. Hrusa 1992-8-25 9537 San Joaquin Caswell Memorial State Park. Comment
  UCR5361  Juglans hindsii R. C. Dickson 1966-10-25 s.n. San Joaquin San Joaquin Valley, west of Manteca 7 Comment
  UCR63919  Juglans hindsii L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 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
  UCD141334  Juncus balticus subsp. ater G. F. Hrusa; S. A. Wagner 1992-4-2 9298 San Joaquin Caswell Memorial State Park, just west of westernmost parking area. Comment
  POM147776  Juncus bufonius E. E. Stanford 1927-4-19 164 San Joaquin Stockton. Comment
  CDA39203  Juncus bufonius R. DeVol 1965-4-15 s.n. San Joaquin R.O. Faircloth property, 8105 Moreland, Stockton. 0 Comment
  POM146166  Juncus xiphioides E. E. Stanford 1927-5-26 433 San Joaquin Stockton. Comment
  RSA604702  Juniperus californica L. C. Wheeler 1952-9-29 6996 San Joaquin Ladd Mine: San Joaquin 5 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
  UC1753831  Juniperus californica Annetta M. Carter 1947-3-23 1780 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
  CDA6290  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  CAS-BOT-BC272318  Lachnagrostis filiformis E. E. Stanford 1927-5-28 456 San Joaquin Louis Park, Stockton Comment
  CAS-BOT-BC340435  Lactuca saligna John Thomas Howell 1932-10-16 10846 San Joaquin Tesla Road, 8 miles west of Tracy 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
  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
  RSA409531  Lamium amplexicaule Cyril R. Owen 1927-10-14 s.n. San Joaquin Campus, College of the Pacific. Comment
  SD243165  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 (50a^z) of Lodi. Grassy field. 39 Comment
  POM146111  Lamium amplexicaule E. E. Stanford 1926-9-15 15 San Joaquin Stockton, College of the Pacific. Along campus paths. Comment
  RSA611568  Lappula squarrosa R. S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi. 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
  CAS-BOT-BC324461  Lasthenia conjugens Bloomer 1869-4-1 s.n. San Joaquin Antioch 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
  CHSC22938  Lasthenia fremontii Robert A. Schlising; H. G. Baker 1963-4-5 2482 San Joaquin Junction of Hwy 8 and Ospital Road. Comment
  UC30418  Lasthenia fremontii J. A. Sanford 1890-1-1 19 San Joaquin Waverly 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
  CDA8116  Lasthenia fremontii T. C. Fuller 1962-5-1 8298 San Joaquin Highway 12 to Wallace, 5.6 miles east of Clements. 0 Comment
  POM146141  Lasthenia fremontii E. E. Stanford 1927-4-23 184 San Joaquin Near Stockton Comment
  POM196311  Lasthenia fremontii E. E. Stanford 1928-4-7 848 San Joaquin Near Collegeville Comment
  CDA8118  Lasthenia glaberrima T. C. Fuller 1962-5-1 8342 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  CDA8119  Lasthenia glaberrima T. C. Fuller 1962-5-1 8292 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  POM196039  Lasthenia glaberrima E. E. Stanford 1929-3-30 1023 San Joaquin Near Stockton Comment
  JEPS35413  Lasthenia glabrata subsp. glabrata J. G. Lemmon 1878-8-1 San Joaquin near Stockton Comment
  POM146131  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton. Comment
  CAS-BOT-BC352817  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  RSA21424  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 Comment
  RSA396106  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 Comment
  JEPS18185  Lasthenia microglossa Rimo Bacigalupi with F. Chisaki 1956-4-5 5583 San Joaquin about 1.5 mi n Corral Hollow Rd. (in first side canyon to the ne (.45 mi) of the Alameda-San Joaquin County line off of Corral Hollow) 396 Comment
  RSA14935  Lasthenia microglossa Alice Eastwood, J. T. Howell 1935-4-7 2095 San Joaquin East end of Corral Hollow. Comment
  RSA516586  Lasthenia microglossa R. C. Bacigalupi, Francia Chisaki 1956-4-5 5583 San Joaquin In first side canyon to the NE (0.45 mile) of the Alameda-San Joaquin County line off of Corral Hollow, about 1.5 miles N of the Corral Hollow road. 396 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-BC368713  Lasthenia minor Carl B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, mouth of Hospital Canyon, SW of Vernalis 106 Comment
  CAS-BOT-BC368718  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  RSA18936  Lasthenia minor Roxana S. Ferris 1938-4-15 9404 San Joaquin Near gravel pit at the mouth of Corral Hollow. 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
  UC30483  Lasthenia minor Benj. Cobb 1900-3-28 San Joaquin Tracy Comment
  UC604924  Lasthenia minor Roxana S. Ferris 1938-4-15 9404 San Joaquin at the mouth of Corral Hollow Comment
  UC614971  Lasthenia minor Beryl O. Schreiber 1932-3-27 136 San Joaquin Midway Comment
  UC718454  Lasthenia minor Carl B. Wolf 1937-3-31 San Joaquin sw of Vernalis; San Joaquin Valley, Mouth of Hospital Canyon 106 Comment
  UC75373  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  CAS-BOT-BC213328  Lathyrus jepsonii subsp. californicus John Thomas Howell 1933-7-20 11446 San Joaquin Lathrop Bridge on San Joaquin River Comment
  CAS-BOT-BC213329  Lathyrus jepsonii subsp. californicus John Thomas Howell 1933-7-20 11446 San Joaquin Lathrop Bridge on San Joaquin River Comment
  UC1035806  Lathyrus jepsonii var. californicus Annie M. Alexander and Louise Kellogg 1943-6-26 3454 San Joaquin Byron to Stockton highway (Middle River bridge); San Joaquin Valley, Middle 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
  UC1190283  Lavatera cretica Ira L. Wiggins 1958-4-13 14322 San Joaquin at corner of Patterson Road and Grant Line Road Comment
  JEPS13605  Layia chrysanthemoides R. F. Hoover 1935-3-18 376 San Joaquin Banta Comment
  SEINET7076109  Layia fremontii 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
  CAS-BOT-BC323248  Layia fremontii Roxana S. Ferris 1937-4-4 9310 San Joaquin 6 miles from Copperopolis on the Farmington Road Comment
  POM195965  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  POM196008  Layia fremontii E. E. Stanford 1929-4-7 1038 San Joaquin Near Peters. Comment
  UCD33924  Layia fremontii Beecher Crampton 1975-4-16 9149 San Joaquin 3 miles N.E. of Clements, jct. of Liberty road and Hwy. 88. Comment
  CAS-BOT-BC380871  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380872  Layia platyglossa M. K. Curran 1884-1-1 s.n. San Joaquin San Joaquin Comment
  SJSU11686  Layia platyglossa R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC1601122  Layia platyglossa Benj. Cobb San Joaquin Tracy Comment
  UC30681  Layia platyglossa Benj. Cobb 1900-4-10 11 San Joaquin Tracy Comment
  UC615308  Layia platyglossa Beryl O. Schreiber 1932-3-27 141 San Joaquin near Midway Comment
  UCD36788  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin San Joaquin County, 6.4 miles south of Thornton. 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
  CDA32431  Leersia oryzoides J. B. Gianelli 1960-10-4 San Joaquin South side Harney Lane & Woodbridge irrigation canal, Woodbridge Irrigation District 0 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
  CAS-BOT-BC534390  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 miles west of Farmington 30 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
  UC1101238  Lemna minor Malcolm A. Nobs, S. Galen Smith 1949-10-23 1897 San Joaquin about 15 sw of Ione (on road from Ione to Clements) Comment
  UC1083189  Lemna minuscula Herbert L. Mason 1937-6-21 11550 San Joaquin 1/2 mi sw of Holt Comment
  SD117136  Lemna minuta Wayne P. Armstrong 1984-8-23 1215 San Joaquin Roadside ditch, south side [of] Highway 4, 3 miles southwest of Holt. 2 Comment
  UC1101290  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-10-23 1895 San Joaquin 15 mi sw of Ione (on road from Ione to Clements) Comment
  UCR66260  Leontodon taraxacoides L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 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-BC88942  Lepidium dictyotum Peter H. Raven; R. Alava; R. 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
  UC10609  Lepidium dictyotum var. acutidens F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  RSA21259  Lepidium dictyotum var. acutidens C. B. Wolf 1937-3-31 8373 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CDA15556  Lepidium latifolium G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14887 San Joaquin Caswell Memorial State Park; Stanislaus river along River Bend trail. 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
  CAS-BOT-BC89696  Lepidium latifolium Bellue June 20 s.n. San Joaquin Tobin Ranch. Mossdale. Also on adjoining Olixeira Ranch. Comment
  UC765074  Lepidium latipes Robert F. Hoover 1935-3-1 201 San Joaquin w of Ripon (San Joaquin River bridge); San Joaquin River Comment
  CAS-BOT-BC89756  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  CAS-BOT-BC12559  Lepidium nitidum John Thomas Howell 1933-3-26 10892 San Joaquin Corral Hollow. 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
  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
  UC10666  Lepidium nitidum J. A. Sanford 1890-1 404 San Joaquin Waverly Comment
  UCR232294  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2011-3-29 17099 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-BC12711  Lepidium oblongum Volney Rattan 1887-3-1 s.n. San Joaquin Live Oaks. Comment
  RSA429653  Lepidium perfoliatum E. E. Stanford 1930-5-28 1524 San Joaquin Lincoln Highway near French Camp 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
  CAS-BOT-BC329361  Lepidospartum squamatum John Thomas Howell 1971-6-25 48111 San Joaquin Flood plain of Hospital Creek at Interstate Hwy 580, 4 miles SW of Vernalis Comment
  CAS-BOT-BC329362  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin Wash of Hospital Creek SW of Vernalis at Interstate Hwy 580 Comment
  UC1069789  Lepidospartum squamatum R. W. Lundh 1932-6-1 115 San Joaquin mouth Hospital Canyon; Carbona Quad., mouth of Hospital Canyon Comment
  UCD134022  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin Hospital Creek southwest of Vernalis at Highway 580. Comment
  JEPS74995  Leptochloa fascicularis L. R. Heckard and P. Rubtzoff 1971-9-15 2807 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road ((ca 7 mi sw of Manteca)) Comment
  UCD63651  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-9-7 3152 San Joaquin 6.4 miles south of Thornton. 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
  CAS-BOT-BC226594  Leptosiphon ambiguus G. T. York 1935-4-10 s.n. San Joaquin Hospital Canyon (4 mi. up the canyon) 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
  POM57784  Lessingia pectinata var. tenuipes Michener, F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  POM40857  Lessingia pectinata var. tenuipes Edward L. Greene 1881-09 s.n. San Joaquin [County could be Merced or Stanislaus] San Joaquin Valley. Comment
  UC817473  Leymus triticoides Wilhelm N. Suksdorf 1913-6-6 41 San Joaquin Lathrop 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-BC451657  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC451658  Lilaea scilloides E. E. Stanford 1928-4-29 941 San Joaquin Near Stockton Comment
  CAS-BOT-BC451659  Lilaea scilloides E. E. Stanford 1927-4-21 169 San Joaquin Stockton. Campus. Comment
  POM146101  Lilaea scilloides E. E. Stanford 1927-4-21 169 San Joaquin Stockton, Campus. 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
  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
  RSA27974  Limnanthes alba C. L. Hitchcock 1940-4-29 6303 San Joaquin 3 miles south of Galt. 16 Comment
  OBI64513  Limnanthes alba David J. Keil 2005-3-13 30361 San Joaquin Just W of Amador county line along Calif Rte 88, 5.5 mi NE of Mokelumne River bridge 82 Comment
  UCD33920  Limnanthes alba Beecher Crampton 1975-4-16 9145 San Joaquin 3 miles north of Clements along Liberty road. Comment
  JEPS19581  Limnanthes alba subsp. alba R. F. Hoover 1936-4-30 1057 San Joaquin Farmington Comment
  JEPS19619  Limnanthes alba subsp. alba W. L. Jepson 1929-4-28 15198 San Joaquin Clements 60 Comment
  UC971872  Limnanthes douglasii Charles T. Mason Jr. 1948-4-24 1140 San Joaquin about 10 mi ne Stockton (ditch on nw side of Hwy 88) 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
  JEPS19597  Limnanthes douglasii subsp. rosea Fred Shoemaker 1933-4 San Joaquin Lockeford Comment
  JEPS19636  Limnanthes douglasii subsp. rosea W. L. Jepson 1938-4-14 18677 San Joaquin along State Hwy 88 about 6 mi ne Clements (between Clements and Ione, at headwaters of creek, ne San Joaquin Co.); Goose Creek 76 Comment
  JEPS39991  Limnanthes douglasii subsp. rosea Paul C. Hutchison 1963-3-24 2676 San Joaquin on Hwy 88 1.7 mi s Amador County line (4.3 mi n of Mokelumne River Bridge) Comment
  SD241092  Limnanthes douglasii subsp. rosea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17096 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, ca. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden (Valley Springs SW 7.5'Q) 71 Comment
  UC17893  Limnanthes douglasii subsp. rosea J. A. Sanford 1890-1 362 San Joaquin Waverly 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
  UCR232291  Limnanthes douglasii subsp. rosea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17096 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
  SEINET6670606  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-24 1145 San Joaquin 7 miles northeast of Clements along State Highway 88 91 Comment
  UCD116525  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9152 San Joaquin along Highway 88, NE portion of the county. Comment
  UCD33917  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9141 San Joaquin San Joaquin County, 6 miles N.W. of Lockeford, Liberty and Bruella roads. Comment
  HSC12438  Limnanthes douglasii subsp. striata Gary J. Stebbins 1970-3-24 17 San Joaquin Along SR 26, 1.5 mi. E of Duck Creek 53 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
  JEPS58380 Image available Linanthus dichotomus W. L. Jepson 1922-4-2 9597 San Joaquin W San Joaquin County, Corral Hollow. 182 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
  RSA244711  Lindernia dubia var. anagallidea Peter Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  SBBG47326  Lindernia dubia var. anagallidea P. Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UC103620  Lindernia dubia var. anagallidea T. S. Brandegee 1907-9-9 San Joaquin near Lathrop (San Joaquin Bridge); San Joaquin Bridge Comment
  UC177578  Lindernia dubia var. anagallidea H. M. Hall Aug 1914 9842 San Joaquin Woodbridge Sacramento Valley, Mokelumne River (sand of the Mokelumne River bed) 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
  CAS-BOT-BC342365  Logfia gallica E. E. Stanford 1930-4-26 1439 San Joaquin Wheatland Rd. 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
  CAS-BOT-BC389762  Lolium multiflorum R. D. Hennessey 1964-5-2 76 San Joaquin North of Calaveras River 1 mile and 7 miles northeast of point where the river empties into Stockto [Stockton] Channel Comment
  CDA2243  Lolium perenne J. B. Gianelli 1959-6-11 2586 San Joaquin Potter ranch, Lodi. 0 Comment
  SEINET3291988 Image available Lolium perenne Unknown 1945-4-22 San Joaquin Near Stockton Comment
  UCR238414  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18714 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
  UCR242627  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2010-4-7 15818 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
  SEINET10599283  Lolium remotum E. E. Stanford 1930-4-12 Stanford 1298 San Joaquin Mariposa Rd. near Cometa Rd. Wet roadsides. Comment
  CAS-BOT-BC271072  Lolium temulentum E. E. Stanford 1927-4-24 191 San Joaquin Near Stockton Comment
  UC765829  Lomatium caruifolium var. caruifolium Robert F. Hoover 1936-4-30 1052 San Joaquin 2 mi. n. Escalon Comment
  POM196327  Lomatium marginatum E. E. Stanford 1928-4-7 847 San Joaquin Near Collegeville 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
  UCD18307  Lotus corniculatus Mick Canevari 2001-1-1 s.n. San Joaquin alfalfa field. Comment
  RSA518113  Lotus heermannii Barry Burnell 1971-4-5 292 San Joaquin Just South of San Simeon Creek on Highway 1. 30 Comment
  UC1129007  Lotus purshianus var. purshianus R. D. Roseberry 1935-5-13 159 San Joaquin Mokelumne River Jackson Quad. 60 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
  RSA406290  Lotus unifoliolatus E. E. Stanford 1930-8-9 1878 San Joaquin Calaveras River bottom near Stockton. Comment
  UC101866  Lotus wrangelianus Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UC75221  Lotus wrangelianus C. F. Baker 1903-4-25 2777 San Joaquin Tracy Comment
  JEPS33274  Ludwigia peploides subsp. peploides Rimo Bacigalupi and L. Constance 1962-8-13 7812 San Joaquin just n. San Joaquin City (San Joaquin R., just n. of bridge of Durham Ferry Rd.); San Joaquin R. 3 Comment
  POM355472  Ludwigia peploides subsp. peploides E. E. Stanford 1930-08 1864 San Joaquin Clifton Court Road Comment
  UC634672  Ludwigia peploides subsp. peploides H. L. Mason 1928-9-30 4953 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UC768526  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington 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
  UC764124  Lupinus bicolor R. F. Hoover 1938-2-27 2795 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  UC764853  Lupinus bicolor R. F. Hoover 1937-4-23 1919 San Joaquin 7 mi e Stockton; e of Stockton 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
  UCR207839  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14467 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 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
  UCR256102  Lupinus bicolor J. T. Howell, G. H. True 1978-4-4 52730 San Joaquin San Joaquin Valley, near Lockeford 30 Comment
  POM350008  Lupinus bicolor Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  POM350009  Lupinus bicolor E. E. Stanford 1927-4-23 179 San Joaquin Near Stockton Comment
  POM350010  Lupinus bicolor E. E. Stanford 1928-5-5 951 San Joaquin Near Peters 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
  POM10651  Lupinus bicolor subsp. pipersmithii C. F. Baker, Jones 1903-4-26 2910 San Joaquin Tracy Comment
  SEINET10484919  Lupinus bicolor subsp. pipersmithii Charles F. Baker 1903-4-26 Baker 2910 San Joaquin Small colonies in sandy fields. Comment
  SEINET3418125 Image available Lupinus caudatus P. O. Schallert 1945-4-1 182 San Joaquin 20 N. East of Stockton, San Joaquin County, California. 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
  POM196337  Lupinus formosus var. formosus E. E. Stanford 1928-5-12 1015 San Joaquin Sacramento Road. Near Sacramento Co Line. Comment
  JEPS65232  Lupinus formosus var. robustus W. L. Jepson 1896-6-27 55 t San Joaquin San Joaquin River bridge to Burnet's sta.; San Joaquin River bridge to Burnet's sta. 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
  UC15842  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy 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
  UCR242951  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15827 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
  UCR253462  Lupinus nanus George K. Helmkamp 2014-3-18 22590 San Joaquin San Joaquin Valley, along Collier Road, 1.1 mile east of Tully Road, 10.4 mi. ESE (103 deg. ) of Galt 40 Comment
  JEPS65481  Lupinus succulentus R. F. Hoover 1935-3-1 237 San Joaquin Vernalis Comment
  RSA10683  Lupinus succulentus C. F. Baker 1903-4-25 2908 San Joaquin Tracy. Comment
  JEPS33277  Lycopus americanus Rimo Bacigalupi and L. Constance 1962-8-13 8715 San Joaquin just n. San Joaquin City (flats e. side San Joaquin R., just n. of bridge of Durham Ferry Rd.) 3 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
  UC19761  Lythrum californicum Mrs. Brandegee 1893-7-9 San Joaquin San Joaquin River, Bouldin Island Bouldin Island; San Joaquin River, Bouldin Island Comment
  UCD103038  Lythrum hyssopifolia G. F. Hrusa 1992-8-26 9530 San Joaquin Caswell Memorial State Park. Comment
  CDA13490  Lythrum salicaria F. Minnazzoli 1997-9-22 s.n. San Joaquin no loc. data 0 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-BC342686  Madia elegans E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  UCD132784  Madia elegans G. F. Hrusa; S. A. Wagner 1992-8-9 9330 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC324518  Madia radiata Carl B. Wolf 1937-3-31 8403 San Joaquin Hospital Canyon, west side of San Joaquin Valley 137 Comment
  CAS-BOT-BC324519  Madia radiata Carl B. Wolf 1937-3-31 8403 San Joaquin Hospital Canyon, west side of San Joaquin Valley 137 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
  UC761805  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  UCR47742  Madia radiata C. B. Wolf 1937-3-31 08403 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 Comment
  CAS-BOT-BC204036  Malacothamnus fremontii John Thomas Howell 1952-4-22 28310 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
  POM146117  Malva nicaeensis E. E. Stanford 1927-4-19 163 San Joaquin Stockton, Campus. Comment
  UCD116600  Malva nicaeensis G. F. Hrusa 1992-8-26 9524 San Joaquin Caswell Memorial State Park. 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
  UC108943  Malvella leprosa T. S. Brandegee 1892-9-10 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge 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
  RSA440952  Marah fabacea K. M. Stocking 1947-4-25 31 -b San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  JEPS63285  Marrubium vulgare W. L. Jepson 1924-5-22 10420 San Joaquin Calaveras River levee Bellota; Calaveras River levee Comment
  UCR253491  Marrubium vulgare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20072 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 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
  CAS-BOT-BC71111  Marsilea vestita Peter Rubtzoff 1965-7-13 5579 San Joaquin San Joaquin River at Airport Way crossing (Tracy - Ripon area) Comment
  POM89817  Marsilea vestita Michener 1892-9-9 s.n. San Joaquin Lathrop. Comment
  RSA694899  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton. Comment
  JEPS33281  Marsilea vestita subsp. vestita Rimo Bacigalupi and L. Constance 1962-8-13 8719 San Joaquin just n of bridge-crossing of Copperopolis rd (Calif. 4) Stockton Diverting canal (2 mi e of crossing of U.S. Hwy 99 (freeway)) 10 Comment
  UCD136579  Marsilea vestita subsp. vestita W. R. Russell 1967-9-21 s.n. 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
  CDA7538  Matricaria discoidea T. C. Fuller 1962-4-2 8202 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 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
  CAS-BOT-BC348072  Matricaria discoidea E. E. Stanford 1927-3-17 114 San Joaquin Stockton. Along Campus walks Comment
  POM196278  Matricaria matricarioides E. E. Stanford 1928-4-7 845 San Joaquin Stockton, campus [College of the Pacific] Comment
  SEINET7883384 Image available Matricaria matricarioides Laura Zeller 1965-1 59 San Joaquin Ca. .5 mile E of intersection of Davis Road and 8-mile road on 8-mile Road. Comment
  CDA27609  Medicago arborea W. B. Andahl 1965-8-4 San Joaquin Farmington. 0 Comment
  JEPS65506  Medicago polymorpha W. L. Jepson 1929-4-28 15189 San Joaquin Lockeford 30 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
  SEINET4691731  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-1 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 degree) of Lodi. 40 Comment
  UC16094  Medicago polymorpha J. A. Sanford 1890-1 73 San Joaquin Stockton Comment
  UC16099  Medicago polymorpha Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UCR232233  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 mi. NE (50 deg. ) of Lodi 40 Comment
  SEINET11096140 Image available Medicago polymorpha Marvin L. Nies 1951-4-7 38 San Joaquin 5 miles east of Lodi. Comment
  UCD107837  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-3-22 9066 San Joaquin Caswell Memorial State Park. Comment
  UCD107868  Medicago polymorpha J. C. Tothill 1958-4-13 s.n. San Joaquin State Highway 8, ca. 15 miles east of Lodi. 57 Comment
  CDA32510  Melica californica T. C. Fuller 24 [month missing] 1962 8230 San Joaquin In canyon south of Corral Hollow Creek, ca. 8 miles southwest of Tracy 0 Comment
  POM147779  Melilotus albus E. E. Stanford 1927-9-26 726 San Joaquin Stockton. Comment
  POM147806  Melilotus indicus E. E. Stanford 1928-3-13 804 San Joaquin Stockton. Comment
  CAS-BOT-BC389765  Melilotus indicus R. D. Hennessey 1964-5-2 83 San Joaquin Bank of Calaveras River 7 miles east-northeast of point at which Calaveras River empties into Stockton Channel Comment
  POM146121  Melilotus indicus E. E. Stanford 1926-10-5 23 San Joaquin Stockton. Calaveras River bottom. 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
  UC57371  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  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
  UC761958  Mentha canadensis R. F. Hoover 1935-9-7 719 San Joaquin Union 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
  UC25392  Mentha pulegium F. T. Bioletti 1891-8-30 San Joaquin Comment
  UC177266  Mentha spicata K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  LA84399  Mentzelia affinis Rimo Bacigalupi; 1961-2-27 7544 San Joaquin just below and S of drop-tower installation of Atomic Energy Commission; in canyon to the N of Corral Hollow just E of Alameda-San Joaquin county line (designated "Spring" on Midway USGS quadr.). 243 Comment
  UC19624 Image available Mentzelia albicaulis J. A. Sanford 1890-1 157 San Joaquin French Camp Comment
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Dec 31 2018
  UC755558  Mentzelia laevicaulis var. laevicaulis Wilhelm N. Suksdorf Jun 6 1913-Jun 8 1913 44 San Joaquin by the railroad; Lathrop 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
  UC767155  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 26 2018
  CAS-BOT-BC348401  Micropus californicus var. californicus Roxana S. Ferris 1938-4-15 9400 San Joaquin Near gravel pit at the mouth of Corral Hollow Comment
  CAS-BOT-BC348402  Micropus californicus var. californicus E. E. Stanford 1930-4-5 1244 San Joaquin Hospital Canyon Comment
  CDA8380  Micropus californicus var. californicus T. C. Fuller 1962-4-24 8237 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA8385  Microseris acuminata G. C. Fleischman 1959-5-28 San Joaquin Near Lodi. 0 Comment
  CAS-BOT-BC348801  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow-Livermore Road 152 Comment
  CAS-BOT-BC348802  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow-Livermore Road 152 Comment
  RSA21626A  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  RSA21626C  Microseris douglasii subsp. douglasii Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC565548  Microseris douglasii subsp. douglasii H. L. Mason 1932-3-19 6832 San Joaquin 2 mi e Midway 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
  RSA14938  Microseris heterocarpa Alice Eastwood, John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow. Comment
  RSA122921  Microsteris gracilis subsp. humilis C. B. Wolf 1937-3-31 8402 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 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
  RSA138282  Mimulus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks. Comment
  POM146107  Mimulus guttatus E. E. Stanford 1927-4-12 149 San Joaquin Near Stockton. Comment
  RSA447930  Mimulus guttatus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC27029  Mimulus microphyllus J. A. Sanford 1890-1 162 San Joaquin Waverly Comment
  UCD122692  Mimulus microphyllus Marvin Nies 1951-4-1 29 San Joaquin 7 miles east of Lodi. Comment
  UC26992  Mimulus nasutus J. A. Sanford 1890-1 165 San Joaquin Stockton Comment
  UC76067  Mimulus nasutus Milo S. Baker 1900-4-29 San Joaquin Laton's Stillwater Creek 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
  UC59141  Mimulus tricolor unknown 1881-1 San Joaquin 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
  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
  UCD99642  Mollugo verticillata G. F. Hrusa 1992-8-9 9354 San Joaquin Caswell Memorial State Park; above the waterline at Oxbow Lake. Comment
  CAS-BOT-BC220050  Monardella breweri subsp. lanceolata Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC221669  Monardella candicans Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks 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
  UC572147  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1482 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow 228 Comment
  CAS-BOT-BC349639  Monolopia major H. K. Sharsmith 1935-3-17 1500 a San Joaquin Corral Hollow, Mount Hamilton Range 228 Comment
  CAS-BOT-BC349640  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  JEPS27272  Monolopia major Rimo Bacigalupi with H. G. Baker, J. Weiler, A. Nelson 7542 San Joaquin hills just n Corral Hollow (within confines of preserve, nw of site of Carnegie (see USGS Quadr. Midway)); Atomic Energy Commission preserve 274 Comment
  JEPS34939  Monolopia major W. L. Jepson 1922-4-2 9595 San Joaquin Tracy Comment
  UC1211929  Monolopia major John H. Weiler and A. P. Nelson 1961-2-27 697 San Joaquin Atomic Energy Commission territory, at the roadside, this road leads to the drop tower and is about 1 mi s of it Corral Hollow Comment
  UC572143  Monolopia major H. K. Sharsmith 1935-3-17 1500 a San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC572145  Monolopia major H. K. Sharsmith 1935-3-3 1490 San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC572148  Monolopia major H. K. Sharsmith 1935-3-3 1495 a San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC90418  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  CAS-BOT-BC349638  Monolopia major A. H. Ashley 1920-4-20 s.n. San Joaquin Morada near Stockton Comment
  CAS-BOT-BC263370  Muhlenbergia asperifolia John Thomas Howell 1932-10-16 10847 San Joaquin Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  JEPS73762  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin 8 mi sw Tracy; Mount Hamilton Range, Corral Hollow 152 Comment
  UCD36789  Muhlenbergia rigens Beecher Crampton 1955-9-7 3155 San Joaquin San Joaquin County, 3.7 miles south of Thornton. Comment
  SEINET3243472  Muilla maritima Frank W. Gould 1940-1 884 San Joaquin Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  SEINET3992199  Muilla maritima Unknown 1940-3-16 884 San Joaquin Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  UC1005620  Muilla maritima Frank W. Gould 1940-3-16 884 San Joaquin Castle Rock Mt. Hamilton Range, Corral Hollow 198 Comment
  UC659395  Muilla maritima Lincoln Constance and Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock Corral Hollow 213 Comment
  UC765851  Muilla maritima R. F. Hoover 1937-4-3 1746 San Joaquin 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
  UCSB852  Muilla maritima Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow 213 Comment
  CAS-BOT-BC83360  Myosurus minimus Robert F. Hoover 1940-4-27 4367 San Joaquin River Road near San Joaquin City. Comment
  UC1046593  Myosurus minimus A. D. Hawkes and R. Bacigalupi 1951-4-21 4804 San Joaquin 2 mi e Stockton Comment
  UC634959  Myosurus minimus H. L. Mason April 1930 5548 San Joaquin 10 mi e Stockton Comment
  POM147750  Myosurus minimus E. E. Stanford 1927-4-12 152 San Joaquin Near Stockton. Comment
  CDA37685  Myriophyllum spicatum R. Breckenridge/D. Kratville 2004-5-19 s.n. San Joaquin Stockton, near Paradise Point Marina, Eight Mile Road. 0 Comment
  SEINET8465063 Image available Nassella cernua Ellen Dean, Clare Loughran, Mary Shea, Wilde Legard 2011-4-22 6928 San Joaquin Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. 1078 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
  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
  SEINET9335663  Navarretia leucocephala Unknown 1966-5-3 7690 San Joaquin San Joaquin County 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
  UC762150  Navarretia pubescens R. F. Hoover 1935-6-12 650 San Joaquin Farmington Comment
  UC24178  Nemophila heterophylla J. A. Sanford San Joaquin Stockton Comment
  UC131445  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy; ; Tracy, San Joaquin Co. 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
  RSA0003801  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy. Comment
  POM225049  Nemophila pedunculata Lincoln Constance, A. A. Beetle 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow. 198 Comment
  SBBG29931  Nemophila pedunculata L. Constance 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow 198 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
  UCSB5335  Nemophila pedunculata Constance, Lincoln; Beetle, Alan 1940-3-20 San Joaquin 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
  SEINET3237953 Image available Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2007-10-13 13086 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CDA5776  Nicotiana acuminata var. multiflora M. S. Bergseng, H. S. Bugbee 1959-6-11 2584 San Joaquin Freethy Ranch, Ripon. 0 Comment
  CAS-BOT-BC233461  Nicotiana glauca L. Beane 1949-1-1 s.n. San Joaquin Fifteen miles south-west of Tracy Comment
  CAS-BOT-BC233462  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Levee, San Joaquin River, Stockton Comment
  JEPS22947  Nitrophila occidentalis Volney Rattan 1881-7-1 San Joaquin Lathrop Comment
  JEPS33285  Nitrophila occidentalis Rimo Bacigalupi and L. Constance 1962-8-13 8723 San Joaquin trough along base of Sothern Pacific railway embankment just s crossing of Lathrop Road (just n of town of Lathrop) 5 Comment
  RSA135313  Nitrophila occidentalis Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  SEINET2540589 Image available Nitrophila occidentalis H. H. Severin 1933-9-7 San Joaquin North of Ripon. 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
  UC26809  Nuttallanthus texanus J. A. Sanford 1890-1 97 San Joaquin French Camp 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
  JEPS43951  Oenothera deltoides subsp. cognata W. L. Jepson 1896-6-27 14479 San Joaquin between Mossdale and Atlanta Comment
  RSA18385  Oenothera deltoides subsp. cognata Carl B. Wolf 1927-6-24 523 San Joaquin 3 miles west of Manteca Comment
  UC763977  Oenothera deltoides subsp. cognata R. F. Hoover 1937-5-18 2178 San Joaquin near Lathrop Comment
  UC156908  Oenothera elata subsp. hirsutissima Katharine Brandegee 1892-9-10 San Joaquin near Lathrop; San Joaquin River Bridge Comment
  UC173125  Oenothera elata subsp. hirsutissima Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  CDA38183  Oenothera elata subsp. hirsutissima T. C. Fuller 1958-7-3 1977 San Joaquin Staten Island. 0 Comment
  UCD106945  Oenothera elata subsp. hookeri G. F. Hrusa; S. A. Wagner 1992-4-22 9259 San Joaquin Caswell Memorial State Park. Comment
  UC102908  Orobanche californica subsp. jepsonii T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge, near Lathrop. 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
  CDA42394  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-C San Joaquin North of Holt, in field south of West Neugerbauer Road, north of West McDonald Road and west of North Holt Road. Field 90 Number 3I-14. 0 Comment
  CDA6510  Orobanche ramosa A. Moretto 1968-6-27 San Joaquin Albert Del Aringa property, near Lincoln Village, Stockton. 0 Comment
  CAS-BOT-BC502931  Orobanche ramosa D. Y. Rosenberg 1964-8-20 s.n. San Joaquin Robert's Island, N side of Hwy 4, 0.25 mi E of Inland Dr. Comment
  RSA21466  Orthocarpus attenuatus Carl B. Wolf 1937-3-31 8400 San Joaquin W side of San Joaquin Valley, lower end of hospital canyon. 122 Comment
  POM232061  Orthocarpus erianthus Roxana S. Ferris 1937-4-4 9312 San Joaquin 6 miles from Copperopolis on the Farmington Road. Comment
  RSA14139  Orthocarpus erianthus Elmer I. Applegate 1928-4-21 5351 San Joaquin Near Lodi. Comment
  POM15367  Orthocarpus purpurascens C. F. Baker 1903-4-26 2784 San Joaquin Betheny. Comment
  RSA21453  Orthocarpus purpurascens Carl B. Wolf 1937-3-31 8387 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  UCD110764  Oxalis corniculata G. F. Hrusa; S. A. Wagner 1992-3-4 9093 San Joaquin Caswell Memorial State Park. Within the picnic areas and campgrounds. Comment
  CAS-BOT-BC253682  Panicum capillare L. R. Abrams 1917-9-14 6741 San Joaquin 3 miles NW of of Stockton, Calaveras River 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
  SEINET3237805 Image available Panicum capillare George K. Helmkamp, E. A. Helmkamp 2007-10-13 13095 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCD89383  Panicum capillare Alan A. Beetle 1946-8-5 4410 San Joaquin 3 miles north of Lockford. Comment
  UCD89525  Panicum capillare G. F. Hrusa 1992-8-26 9526 San Joaquin Caswell Memorial State Park. Along the nature trail between the campgrounds and picnic areas. Comment
  CAS-BOT-BC253847  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton Comment
  CAS-BOT-BC253848  Panicum dichotomiflorum J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UCD36787  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton. Comment
  CDA292  Panicum miliaceum Honson 1929-10-1 San Joaquin San Joaquin Valley. 0 Comment
  UCD96923  Papaver heterophyllum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6958 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
  JEPS91136  Parvisedum pumilum Dean W. Taylor 1990-4-11 10617 San Joaquin Goose Creek, on stony allvuial terraces in Section 19 70 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
  SEINET3821616 Image available Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18441 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington (Farmington 7.5' Q) 41 Comment
  UC1101572  Paspalum dilatatum Malcolm A. Nobs and S. Galen Smith 1948-7-22 209 San Joaquin 2 mi n Manteca (irrigation canal) Comment
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Sep 17 2008
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UC580050  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin on road to Oakdale 3.2 mi e Escalon Comment
  UC768598  Paspalum dilatatum R. F. Hoover 1935-6-12 642 San Joaquin Escalon Comment
  SEINET10226670 Image available Paspalum dilatatum Ira L. Wiggins 1934-6-25 6942 San Joaquin Ditch 3.2 miles east of Escalon on road to Oakdale Comment
  POM364363  Paspalum distichum E. E. Stanford 1927-8-31 697 San Joaquin Stockton, Cal. R. bottom Comment
  UC50741  Paspalum distichum J. A. Sanford 1901-9-10 San Joaquin Stockton Comment
  UCD88907  Paspalum distichum Beecher Crampton 1955-9-7 3150 San Joaquin Vail Road, 2.5 miles northwest of Thornton. Comment
  UCD88920  Paspalum distichum G. F. Hrusa; S. A. Wagner 1992-7-8 9176 San Joaquin Caswell Memorial State Park. Comment
  UC766193  Pectocarya linearis subsp. ferocula R. F. Hoover 1938-4-9 3043 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  UC600982  Pectocarya penicillata Marjorie E. Olney 1938-3-6 48 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow 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-BC77146  Pentagramma triangularis subsp. triangularis Genevieve Prlain 1976-5-2 s.n. San Joaquin County park on Mokelumne River below Camanche Dam. 27 Comment
  CAS-BOT-BC413596  Persicaria amphibia Brian Atwater 1978-8-18 BA- 28 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC413600  Persicaria amphibia John Thomas Howell 1930-9-28 5522 San Joaquin Holt Comment
  CAS-BOT-BC413601  Persicaria amphibia John Thomas Howell 1929-9-21 4413 San Joaquin Holt Comment
  CAS-BOT-BC413602  Persicaria amphibia Brian Atwater 1978-8-18 BA- 42 San Joaquin Between Quinby Island and Franks Tract Comment
  UCD99398  Persicaria amphibia R. N. Raynor 1939-4-1 s.n. San Joaquin Delta region, lower Jones Tract. Comment
  CAS-BOT-BC419063  Persicaria lapathifolia Eva Bramlet 1896-5-11 s.n. San Joaquin Woods Grove, San Joa. R. Comment
  UCD99485  Persicaria lapathifolia G. F. Hrusa; S. A. Wagner 1992-8-9 9340 San Joaquin Caswell Memorial State Park. Along the bank of the Stanislaus River. Comment
  UCD99489  Persicaria lapathifolia G. F. Hrusa 1992-8-26 9534 San Joaquin Caswell Memorial State Park. Margin of Oxbow Lake. Comment
  UCD99494  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt. Comment
  CAS-BOT-BC419250  Persicaria maculosa Barrett Anderson 1987-10-24 3630 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC419251  Persicaria maculosa L. R. Abrams 1920-9-30 7787 San Joaquin Near Banta Comment
  CAS-BOT-BC419252  Persicaria maculosa John Thomas Howell 1929-9-21 4414 San Joaquin Holt Comment
  CAS-BOT-BC419377  Persicaria punctata Brian Atwater 1978-8-22 BA- 63 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  CAS-BOT-BC419378  Persicaria punctata William Anderson 1963-11-22 s.n. San Joaquin Terminous Comment
  UCD99791  Persicaria punctata G. F. Hrusa; S. A. Wagner 1992-8-8 9368 San Joaquin Caswell Memorial State Park. Bank of the Stanislaus River. Comment
  JEPS104709  Phacelia ciliata J. L. and F. L. Morrison 1938-3-6 2773 San Joaquin Castle Rock, Corral Hollow, Mount Hamilton Range; steep southwest slope between Castle Rock and the high ridge to the northeast. Comment
  UC672412  Phacelia ciliata var. ciliata H. L. Mason 1932-3-19 6830 San Joaquin 2 mi e Midway Comment
  UC702962  Phacelia ciliata var. ciliata John Thomas Howell 1929-3-27 4106 San Joaquin 4 mi w Tracy Comment
  JEPS2180  Phacelia distans W. L. Jepson 1896-6-27 21013 San Joaquin between Mossdale School and Atlanta (plains e of river) Comment
  UC596134  Phacelia douglasii R. F. Hoover 1938-2-27 2800 San Joaquin Castle Rock Corral Hollow (type locality) Comment
  UC600981  Phacelia douglasii Marjorie E. Olney 1938-3-6 49 San Joaquin Corral Hollow Mount Hamilton Range Comment
  UC596135  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC24388  Phacelia imbricata J. A. Sanford 202 San Joaquin West Stockton San Joaquin Valley Comment
  CAS-BOT-BC133895  Phacelia tanacetifolia Serena Philips 1915-4-2 s.n. San Joaquin Near Tracy Comment
  RSA21452  Phacelia tanacetifolia Carl B. Wolf 1937-3-31 8386 San Joaquin San Joaquin Valley, half a mile north of Vernalis. 30 Comment
  RSA428228  Phacelia tanacetifolia E. E. Stanford 1930-5-5 1252 San Joaquin Near Lathrop Comment
  UCR143282  Phalaris E. E. Stanford 1930-5-3 1466 San Joaquin Sacramento Valley, near Stockton 5 Comment
  UCD88332  Phalaris angusta A. A. Beetle 1942-4-9 2938 San Joaquin 10 miles W of Modesto, Rt. 99. Comment
  UCD88159  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Near Terminous. Lyons ranch. Comment
  CAS-BOT-BC265837  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  CAS-BOT-BC265838  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  CAS-BOT-BC265839  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CAS-BOT-BC265840  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  POM147799  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin Stockton near San Joaquin River, Louis Park Comment
  RSA356908  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD88507  Phalaris arundinacea William N. Helphinstine 1967-11-8 s.n. San Joaquin Around Stockton. Comment
  SEINET10657332  Phalaris arundinacea E. E. Stanford 1927-5-28 Stanford 449 San Joaquin In mud near San Joaquin River. Louis Park. Stockton Comment
  CAS-BOT-BC259037  Phalaris lemmonii E. E. Stanford 1927-4-24 190 San Joaquin Near Stockton Comment
  POM356905  Phalaris lemmonii E. E. Stanford 1930-5-10 1473 San Joaquin Near Stanislaus River Comment
  RSA582107  Phalaris lemmonii E. E. Stanford 1930-5-10 1473 San Joaquin Near Stanislaus River 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
  UCR128234  Phalaris paradoxa 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
  UCR249972  Phalaris paradoxa George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20227 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
  UC24146  Pholistoma auritum J. A. Sanford 188 San Joaquin Stockton Comment
  JEPS1847  Pholistoma membranaceum W. L. Jepson 1922-4-2 9569 San Joaquin Corral Hollow w. San Joaquin Co., Mt. Hamilton Range, Corral Hollow 152 Comment
  UC593305  Pholistoma membranaceum R. F. Hoover 1938-2-27 2792 San Joaquin Castle Rock, Corral Hollow Corral Hollow; Castle Rock, Corral Hollow Comment
  UC6091  Phoradendron macrophyllum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UCD102188  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa; S. A. Wagner 1992-3-4 9061 San Joaquin Caswell Memorial State Park. Comment
  JEPS70615  Phragmites australis W. L. Jepson 1913-11-22 5687 San Joaquin Middle River, Lower San Joaquin Comment
  POM313148  Phragmites australis H. L. Mason, Verne Grant 1946-9-12 13123 San Joaquin Borden Highway halfway Old River- Middle River Comment
  UC1100410  Phragmites australis Herbert L. Mason and Verne Grant 1946-9-12 13123 San Joaquin Borden Highway halfway between Old River-Middle River; halfway between Old River-Middle River Comment
  UCD89853  Phragmites australis Collector Unknown 1928-9-30 s.n. San Joaquin near Holt. Comment
  UC1239565  Phyla caespitosa Joseph P. Tracy 1921-5-25 5796 San Joaquin Farmington; San Joaquin Valley 30 Comment
  JEPS39028  Phyla lanceolata F. T. Bioletti 1892-9-9 San Joaquin Lathrop, lower San Joaquin Comment
  UC635115  Phyla lanceolata H. L. Mason 1929-9-9 5428 San Joaquin San Joaquin River delta Holt; San Joaquin River delta Comment
  UC25120  Phyla nodiflora F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UCD125580  Phyla nodiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9181 San Joaquin Caswell Memorial State Park. 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
  CAS-BOT-BC58239  Phyllodoce breweri T. J. Blestou 1912-7-30 s.n. San Joaquin Upper Chiquita, San Juaquin Sierra Nevada. Comment
  CDA3315  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CAS-BOT-BC76963  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt. 15 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
  CAS-BOT-BC228022  Plagiobothrys L. R. Abrams 1923-3-31 9952 San Joaquin 4 miles from Manteca on Stockton Road Comment
  RSA21451  Plagiobothrys C. B. Wolf 1937-3-31 8385 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 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
  UC1540210  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin near n boundary Livermore National Laboratory, Site 300; Inner South Coast Ranges 304 Comment
  UC767640  Plagiobothrys arizonicus R. F. Hoover 1938-4-9 3038 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  UC762829  Plagiobothrys austiniae R. F. Hoover 1935-3-16 345 San Joaquin Farmington 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
  POM268864  Plagiobothrys canescens E. E. Stanford 1930-4-5 1241 San Joaquin Hospital Canyon. Comment
  POM63833  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy. Comment
  UC615181  Plagiobothrys canescens Beryl O. Schreiber 1932-4-27 147 San Joaquin near Midway Comment
  UC767006  Plagiobothrys canescens R. F. Hoover 1935-3-1 248 San Joaquin Vernalis Comment
  UCD33923  Plagiobothrys fulvus var. campestris Beecher Crampton 1975-4-16 9147 San Joaquin San Joaquin County, 3 miles north of Clements along Liberty road. 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
  UCR232636  Plagiobothrys humistratus George K. Helmkamp, E. A. Helmkamp 2011-3-29 17105 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
  JEPS30594  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin lower Hospital Canyon (w San Joaquin County) Comment
  NY335683  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  POM259067  Plagiobothrys infectivus J. T. Howell 1938-4-10 13757 San Joaquin Hospital Canyon. Comment
  UC596229  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC766183  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon; ; Lower Hospital Canyon, San Joaquin Co. Comment
  UC25055  Plagiobothrys nothofulvus J. A. Sanford 1890-1 212 San Joaquin French Camp Comment
  POM195906  Plagiobothrys nothofulvus E. E. Stanford 1929-4-7 1037 San Joaquin Peters. Comment
  POM196286  Plagiobothrys nothofulvus E. E. Stanford 1928-3-20 816 San Joaquin Near Peters. 30 Comment
  POM368903  Plagiobothrys nothofulvus E. E. Stanford 1930-4-17 1324 San Joaquin Clements Road. Comment
  UC24555  Plagiobothrys reticulatus J. A. Sanford 1890-1 337 San Joaquin Stockton Comment
  UC767695  Plagiobothrys stipitatus R. F. Hoover 1937-4-23 1924 San Joaquin 7 mi e Stockton Comment
  SD254562  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20226 San Joaquin East end of San Joaquin Valley: Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, (0.52 mil S of Copperopolis Rd (Farmington 7.5'Q) 52 Comment
  SEINET13276685 Image available Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Elizabeth Helmkamp 2013-1 20226 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. (Farmington 7.5' Q.) 52 Comment
  UC1063813  Plagiobothrys stipitatus var. micranthus R. D. Roseberry 1935-5-16 183 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC881352  Plagiobothrys stipitatus var. micranthus L. R. Abrams 1923-3-31 7951 San Joaquin 4 mi from Manteca (on the Stockton Road) Comment
  UCR250296  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20226 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
  POM196012  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1928-4-7 852 San Joaquin Near Collegeville. Comment
  JEPS68138  Plagiobothrys tenellus W. L. Jepson 1922-4-2 9575 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  UC766027  Plagiobothrys tenellus R. F. Hoover 1938-2-27 2799 San Joaquin Castle Rock Corral Hollow Comment
  UC79223  Plagiobothrys trachycarpus E. L. Greene 1884-4-21 San Joaquin near Tracy Comment
  UC596144  Plagiobothrys undulatus R. F. Hoover 1937-6-10 2398 San Joaquin 2 mi n Linden Comment
  UCR132388  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  RSA523579  Plantago bigelovii subsp. bigelovii J. T. Howell 1935-4-1 2096 San Joaquin East end of Corral Hollow. Comment
  OBI64495  Plantago elongata David J. Keil 2005-3-13 30356 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 m NE of Mokelumne River bridge 82 Comment
  JEPS14921  Plantago erecta Rimo Bacigalupi with A. Carter, F. Chisaki, L. Mason, and I. Tavares 1956-4-5 5584 San Joaquin near mouth of Corral Hollow (e base of Black Butte); Black Butte 152 Comment
  RSA401996B  Plantago erecta E. E. Stanford 1930-4-5 1249 San Joaquin Hospital Canyon. Comment
  RSA789509  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg.) of Clements 79 Comment
  UC28040  Plantago erecta J. A. Sanford 1890-1 397 San Joaquin Waverly Comment
  UCR233205  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements 79 Comment
  SEINET3828534  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2011-1 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 (Clements 7.5') 53 Comment
  UCD124359  Plantago lanceolata G. F. Hrusa 1992-8-26 9560 San Joaquin Caswell Memorial State Park. Comment
  JEPS7144  Plantago major W. L. Jepson 1923-10-22 10272 San Joaquin Union Island Lower San Joaquin River Comment
  UC28013  Plantago major J. A. Sanford 1890-1 333 San Joaquin Stockton Comment
  UC28016  Plantago major J. A. Sanford 1890-1 San Joaquin Comment
  JEPS7189  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin Corral Hollow, Black Butte at lower end Black Butte, Corral Hollow Comment
  UC596329  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  JEPS18524  Plantago truncata subsp. firma S. Galen Smith with H. L. Mason and D. Stone 1957-5-24 2942 San Joaquin 0.5 mile west of Calaveras County line (along State Highway 8) 60 Comment
  SD51700  Plantago truncata subsp. firma S. G. Smith, H. L. Mason and D. Stone 1957-5-24 2942 San Joaquin Highway 8, 0.5 mile west of Calaveras County line. Comment
  CAS-BOT-BC93150  Platanus racemosa E. E. Stanford 1930-4-19 1414 San Joaquin Corral Hollow Road. Comment
  UCD143184  Platanus racemosa G. F. Hrusa 1992-8-25 9570 San Joaquin around 75 feet in the eastern end of the park.This from the easternmost campground area. Caswell Memorial State Park. 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-BC91962  Platystemon californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles southeast of Stockton. Comment
  CAS-BOT-BC91964  Platystemon californicus Alice Eastwood 1917-4-2 s.n. San Joaquin Banta. Comment
  JEPS51616  Platystemon californicus W. L. Jepson 1922-4-2 9574 San Joaquin Corral Hollow , Corral Hollow (Mt. Hamilton Range) 182 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
  UC724687  Platystemon californicus H. K. Sharsmith 1935-3-3 1486 San Joaquin Corral Hollow; Mount Hamilton Range, Corral Hollow 228 Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy 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
  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
  UC571025  Pluchea odorata var. odorata H. L. Mason 1929-9-9 5419 San Joaquin Holt Comment
  UC88358  Pluchea odorata var. odorata Mrs. K. Brandegee 1892-9-9 San Joaquin Bouldin Island Sacramento River Comment
  JEPS76012  Poa annua W. L. Jepson 1937-4-23 18010 San Joaquin ca 5 mi se Stockton (on Farmington Rd) Comment
  UCR232235  Poa annua George K. Helmkamp, E. A. Helmkamp 2011-3-12 17058 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
  UCR238413  Poa annua George K. Helmkamp, E. A. Helmkamp 2012-4-7 18713 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
  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
  UCD90683  Poa bulbosa P. B. Kennedy; B. A. Madson 1919-4-1 s.n. San Joaquin 3 miles from Escalon. A. Meyers land. 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
  CAS-BOT-BC236339  Poa secunda subsp. secunda E. E. Stanford 1930-4-5 1237 San Joaquin Hospital Canyon Comment
  POM161949  Pogogyne douglasii Joseph P. Tracy 1921-5-25 5793 San Joaquin Farmington. 30 Comment
  UC762121  Pogogyne douglasii Robert F. Hoover 1935-6-12 647 San Joaquin Farmington Comment
  UC129820  Pogogyne douglasii J. A. Sanford 1909-6-6 San Joaquin Stockton Comment
  UC573475  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin two miles southwest of Wallace 121 Comment
  RSA27010  Pogogyne zizyphoroides C. L. Hitchcock 1940-5-12 6361 San Joaquin 3 miles south of Galt. 16 Comment
  UC570730  Pogogyne zizyphoroides Herbert L. Mason 1928-5-3 4448 San Joaquin 4 miles north of Clements Comment
  UC883698  Pogogyne zizyphoroides C. L. Hitchcock 1940-5-12 6361 San Joaquin 3 miles south of Galt 15 Comment
  JEPS50530  Polygonum amphibium var. emersum W. L. Jepson 1913-11-22 5692 San Joaquin Middle River San Joaquin Delta Comment
  POM196321  Polygonum amphibium var. emersum E. E. Stanford 1929-10-25 1175 San Joaquin Near Stockton Comment
  CDA25214  Polygonum aviculare G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13081 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  RSA464434  Polygonum aviculare C. R. Quick 1929-4-22 s.n. San Joaquin Campus, Stockton, San Joaquin County Comment
  UCR253615  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20075 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCD100086  Polygonum aviculare subsp. depressum G. F. Hrusa 1992-8-26 9557 San Joaquin Caswell Memorial State Park. 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
  RSA466397  Polygonum hydropiper E. E. Stanford 1927-9-17 699 San Joaquin Stockton Comment
  UC6630  Polygonum hydropiperoides Michener and Bioletti Sept. 1892 San Joaquin San Joaquin Bridge Comment
  UC6637  Polygonum hydropiperoides Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CDA2782  Polygonum hydropiperoides J. B. Gianelli 1972-10-15 San Joaquin South bank of Bear Creek, 100 yards south of Airport Way, Stockton. 0 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
  UC421692  Polygonum lapathifolium John Thomas Howell 1929-9-21 4416 San Joaquin Holt; bordering slough Comment
  UC465851  Polygonum lapathifolium Harriet A. Walker 1907-9-8 928 San Joaquin Lathrop 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
  PASA1505  Polygonum muhlenbergii Annetta M. Carter 1931-7-29 236 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
  CDA22848  Polygonum punctatum M. Switzenberg 1958-9-24 San Joaquin W. Oleander Avenue, San Joaquin. 0 Comment
  JEPS50651  Polygonum punctatum W. L. Jepson 1923-10-22 10275 San Joaquin Union Island Lower San Joaquin Comment
  JEPS77907  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  UC1191267  Polygonum punctatum Herbert L. Mason 1928-9-30 4969 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC60910  Polygonum punctatum N. K. Berg 1903-12-12 San Joaquin Rough and Ready <Isl.?> San Joaquin <?> Comment
  CDA22849  Polygonum punctatum var. leptostachyum M. Switzenberg 1958-9-24 San Joaquin Hale Ranch, Highway 120, west of Seidner Avenue. 0 Comment
  UC6755 Image available Polygonum ramosissimum J. Burtt Davy 1893-11-11 1199 San Joaquin Stockton Comment
  CAS-BOT-BC71852  Polypodium californicum Genevieve Prlain 1976-5-2 s.n. San Joaquin county park on Mokelumne River below Camanche Dam 27 Comment
  CAS-BOT-BC233031  Polypogon interruptus E. E. Stanford 1930-5-10 1469 San Joaquin French Camp road near Summer Home Comment
  SEINET3561874 Image available Polypogon interruptus P. O. Schallert 1945-5-6 C 253 San Joaquin Near Stockton. Comment
  UC73790  Polypogon monspeliensis Mr. Sanford San Joaquin Stockton Comment
  POM360830  Populus deltoides E. E. Stanford 1930-4-12 1273 San Joaquin Near Escalon. Comment
  CAS-BOT-BC102643  Populus fremontii Alice Eastwood; John Thomas Howell 1935-2-24 1951 San Joaquin Corral Hollow Comment
  POM360780  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon. Comment
  UCD110628  Populus fremontii subsp. fremontii G. F. Hrusa; S. A. Wagner 1992-4-22 9244 San Joaquin Caswell Memorial State Park, more along the Stanislaus River banks. Comment
  UC127961  Portulaca oleracea Harriet A. Walker 1907-9-8 925 San Joaquin Lathrop, near RailRoad Station Lathrop 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
  POM313020  Potamogeton crispus H. L. Mason, Verne Grant 1946-8-21 13068 San Joaquin Trapper s Slough, SW of Holt, San Joaquin County Comment
  UC1099870  Potamogeton foliosus Herbert L. Mason, Verne Grant 1946-8-21 13059 San Joaquin w of Stockton (on Borden Highway) Comment
  UC1100041  Potamogeton foliosus Herbert L. Mason, S. Galen Smith 1948-8-11 8319 San Joaquin Trapper's Slough; Robert's Island Comment
  UCD138273  Potamogeton illinoensis Herbert L. Mason; Verne Grant 1946-8-21 13069 San Joaquin Trapper's Slough, southwest of Holt. Comment
  CDA36300  Potamogeton nodosus Ed Finley, Mark Lubinski 1988-9-24 San Joaquin Throughout Delta. 0 Comment
  UC60855  Potamogeton nodosus J. A. Sanford 353 San Joaquin Stockton Comment
  JEPS44167  Potentilla rivalis F. T. Bioletti Apr 1892 San Joaquin Tracy Comment
  RSA85819  Potentilla rivalis E. E. Stanford 1930-5-2 1456 San Joaquin Empire Tract Comment
  SEINET780045  Proboscidea louisianica subsp. louisianica George K. Helmkamp, E. A. Helmkamp 2008-10-9 14240 San Joaquin San Joaquin Valley, Dogtown, c. 12 mi NE of Lodi, Collier Road at Mackville Road, 1.1 mi W of CA-88 37 Comment
  UC1745889  Proboscidea louisianica subsp. louisianica Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1329 San Joaquin Between Clements & Lockford. Comment
  SJSU1705  Prosopis glandulosa var. torreyana C. W. Sharsmith 1955-9-11 6294 San Joaquin Corral Hollow 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
  UCD133675  Pseudognaphalium luteoalbum G. F. Hrusa; S. A. Wagner 1992-4-22 9269 San Joaquin Caswell Memorial State Park. Comment
  UC32041  Pseudognaphalium stramineum J. A. Sanford 1890-1 188 San Joaquin Stockton Comment
  UC61017  Pseudognaphalium stramineum N. K. Berg 1903-11-28 San Joaquin Rough and Ready Island Comment
  CAS-BOT-BC357573  Pseudognaphalium stramineum E. E. Stanford 1926-10-7 41 San Joaquin Stockton. Calavers R. bottom Comment
  UCD33077  Psilocarphus brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UCR132386  Psilocarphus brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  POM196042  Psilocarphus brevissimus E. E. Stanford 1929-4-7 1063 San Joaquin Near Peters. Comment
  SEINET7042492  Psilocarphus brevissimus 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
  UC694158  Psilocarphus brevissimus var. brevissimus H. L. Mason 1932-4-24 6967 San Joaquin 11 mi s Clements Comment
  UC990723  Psilocarphus brevissimus var. brevissimus Roxana S. Ferris 1953-5-15 12652 San Joaquin ca 2 mi w intersection with Bellota-Farmington road (on road from Everett School) Comment
  CAS-BOT-BC361807  Psilocarphus brevissimus var. brevissimus D. K. Gillespie; J. W. Gillespie 1930-4-24 9231 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC361808  Psilocarphus brevissimus var. brevissimus E. E. Stanford 1929-4-7 1036 San Joaquin Near Peters 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
  JEPS40502  Psilocarphus oregonus R. F. Hoover 1937-4-23 1922 San Joaquin 7 mi e Stockton Comment
  UCR80875  Psoralea macrostachya G. Fred Hrusa, S. A. Wagner 1992-7-8 9178 San Joaquin Caswell Memorial State Park. 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
  CAS-BOT-BC86615  Quercus douglasii E. E. Stanford 1930-4-5 1214 San Joaquin Hospital Canyon Comment
  CDA19501  Quercus lobata M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 201 San Joaquin Sacramento Valley; On Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 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
  UC405352  Quercus wislizeni W. P. Taylor 1912-3-29 San Joaquin Tracy Lake 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
  UCD33075  Ranunculus bonariensis var. trisepalus Beecher Crampton 1966-5-3 7687 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC596207  Ranunculus californicus R. F. Hoover 1935-3-1 276 San Joaquin 5 mi sw Ripon Comment
  UC766207  Ranunculus californicus Robert F. Hoover 1935-3-1 276 San Joaquin 5 mi sw Ripon Comment
  UCR136764  Ranunculus californicus E. E. Stanford 1929-3-30 1021 San Joaquin San Joaquin Valley, Near Stockton 30 Comment
  POM196040  Ranunculus californicus E. E. Stanford 1929-3-30 1021 San Joaquin Near Stockton Comment
  SEINET7042490  Ranunculus muricatus 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
  SEINET12092446  Ranunculus pusillus E. E. Stanford 1930-1 1462 San Joaquin Elliot Rd. near Elliot 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
  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
  SEINET11261079  Raphanus sativus Virginia Alexson 1964-6-18 41 San Joaquin Three miles north of Stockton.; 0 Comment
  CAS-BOT-BC217939  Ribes quercetorum Alice Eastwood; John Thomas Howell 1938-5-24 5794 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC217940  Ribes quercetorum Carl B. Wolf 1937-3-31 8405 San Joaquin W side of san Joaquin Valley, Hospital Canyon 137 Comment
  CDA25563  Ribes quercetorum T. C. Fuller 1962-4-24 8217 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA25565  Ribes quercetorum T. C. Fuller 1971-4-21 19838 San Joaquin Inner Coast Ranges; Lone Tree Creek Canyon. 0 Comment
  UCD108418  Robinia pseudoacacia G. F. Hrusa 1992-8-26 9533 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC74431  Rorippa curvisiliqua Roxana S. Ferris 1953-5-15 12639 San Joaquin On road between Everett School and intersection with Bellota-Farmington road, ca. 1 mile west of intersection. Comment
  CAS-BOT-BC74432  Rorippa curvisiliqua E. E. Stanford 1930-4-18 1360 San Joaquin Thornton Road. Comment
  POM196261  Rorippa curvisiliqua E. E. Stanford 1928-5-16 1013 San Joaquin Stockton, Calaveras River bottom Comment
  RSA431543  Rorippa curvisiliqua E. E. Stanford 1930-4-18 1360 San Joaquin Thornton Road. Comment
  UCR128233  Rorippa palustris 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
  UCD115321  Rorippa palustris W. W. Robbins; A. S. Crafts 1932-3-30 s.n. San Joaquin Stockton. Comment
  UCD115317  Rorippa palustris subsp. palustris G. F. Hrusa; S. A. Wagner 1992-7-8 9144 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC74800  Rorippa palustris var. palustris Peter Rubtzoff 1965-7-13 5576 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  CAS-BOT-BC147609  Rosa californica E. E. Stanford 1926-10-14 61 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC147610  Rosa californica John Thomas Howell 1930-9-28 5510 San Joaquin Near Holt on the Borden Highway Comment
  CAS-BOT-BC147611  Rosa californica Ira L. Wiggins 1964-5-26 19018 San Joaquin San Joaquin River, between Tracy & Manteca Comment
  UC173118  Rosa californica Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  SEINET3409704 Image available Roubieva multifida P. O. Schallert 1944-12-10 s.n. San Joaquin Stockton, Delta Area, Stockton, San Joaquin County, California. 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
  UC61019  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UCD89035  Rubus ursinus Lindsay Clark 2008-5-8 CSP 21 San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Growing at end of parking lot on the right, near the curb. 20 Comment
  UC465804  Rumex conglomeratus J. A. Sanford 46 San Joaquin Comment
  SEINET6077276  Rumex conglomeratus E. E. Stanford 1930-5-31 1548 San Joaquin North of Stockton. Comment
  UC60911  Rumex crispus N. K. Berg 1903-11-28 San Joaquin Rough and Ready Comment
  UCD101144  Rumex crispus G. F. Hrusa; S. A. Wagner 1992-4-22 9287 San Joaquin Caswell Memorial State Park. Upper reaches of the beach at the easternmost end of the park. Comment
  CDA2889  Rumex obtusifolius T. C. Fuller 1958-9-3 1196 -58 San Joaquin 0.1 miles west of Farmington. 0 Comment
  POM313040  Sagittaria calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin Irrigation canal, 0.25 mile W of Stockton. Comment
  UC935760  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 693 San Joaquin 1/4 mi w Stockton Comment
  CAS-BOT-BC445815  Sagittaria montevidensis Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 miles east of Escalon Comment
  CAS-BOT-BC445816  Sagittaria montevidensis Malcom A. Nobs 1948-9-25 692 San Joaquin 1/4 mile west of 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
  CAS-BOT-BC267089  Sagittaria sanfordii Roxana S. Ferris 1940-6-1 9842 San Joaquin About 3 miles W of Lockford on Stockton - Lockford road Comment
  CAS-BOT-BC267090  Sagittaria sanfordii Roxana S. Ferris 1940-6-1 9842 San Joaquin About 3 miles W of Lockford on Stockton - Lockford road Comment
  RSA26735  Sagittaria sanfordii Roxana S. Ferris 1940-6-1 9842 San Joaquin Slough about 3 miles west of Lockford on Stockton-Lockford road. Comment
  UC549  Sagittaria sanfordii J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  UC551  Sagittaria sanfordii J. A. Sanford 1890-1 39 San Joaquin San Joaquin Co. Comment
  SEINET11763479  Sagittaria sanfordii R. S. Ferris 1940-1 9842 San Joaquin about 3 mi W of Lockford on Stockton-Lockford road 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
  POM362932  Salix babylonica E. E. Stanford 1930-4-28 1450 San Joaquin Near San Joaquin River. Comment
  CAS-BOT-BC129663  Salix bonplandiana Peter H. Raven; R. Ornduff; et al 1957-3-30 10556 San Joaquin Corral Hollow Comment
  CAS-BOT-BC129668  Salix bonplandiana Herbert F. Copeland 1935-4-28 s.n. San Joaquin South Fork of Mokelumne River Comment
  CAS-BOT-BC129667  Salix bonplandiana E. E. Stanford 1929-3-26 1019 San Joaquin San Joaquin River Comment
  POM196188  Salix exigua E. E. Stanford 1928-4-30 943 San Joaquin Stockton. Calaveras River bottom. 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
  RSA18395  Salix exigua Carl B. Wolf 1927-6-23 511 San Joaquin 1 mile W of Rippon. Comment
Read comments
Sep 17 2012
  UCD110929  Salix exigua G. F. Hrusa; S. A. Wagner 1992-4-22 9248 San Joaquin Caswell Memorial State Park. Comment
  UCSC000172  Salix exigua R. D. Roseberry 1935-5-13 166 San Joaquin Mokelumne River at county line - Jackson 61 Comment
  UC446384  Salix exigua var. hindsiana J. A. Sanford 65 San Joaquin Stockton Comment
  UCD143430  Salix exigua var. hindsiana Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. 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
  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-BC108239  Salix hindsiana E. E. Stanford 1928-4-30 943 San Joaquin Stockton, in sand in Calaveras River bottom Comment
  CAS-BOT-BC108240  Salix hindsiana E. E. Stanford 1927-4-20 166 San Joaquin Near Stockton, along Calaveras River Comment
  CAS-BOT-BC108241  Salix hindsiana J. Bridgeman 1894-6-9 s.n. San Joaquin Near Dunham Ferry 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
  CAS-BOT-BC108246  Salix hindsiana Brian Atwater 1979-3-17 BA- 178 San Joaquin Pristine tidal swamp and marsh inside a meander of Old River, between Quinby Island and Franks Tract Comment
  JEPS13741  Salix laevigata Frank. W. Gould 1939-3-18 587 San Joaquin se end of Corral Hollow near Castle Rock; Mt. Hamilton Range 182 Comment
  POM196280  Salix laevigata E. E. Stanford 1928-3-20 830 San Joaquin Near Peters 30 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
  CAS-BOT-BC125361  Salix lasiandra var. lasiandra E. E. Stanford 1930-4-28 1449 San Joaquin Bank of San [Joquin] Joaquin River near Stockton Comment
  POM281348  Salix lasiolepis Lyman D. Benson 1932-2-22 2594 San Joaquin Walnut Grove. N fork Mokelumne River. Near sea level. 0 Comment
  POM281349  Salix lasiolepis Lyman D. Benson 1931-2-21 2594 San Joaquin Walnut Grove. N fork Mokelumne River. Near sea level. 0 Comment
  POM362796  Salix lasiolepis C. R. Quick 1929-2-18 s.n. San Joaquin N of Campus. Stockton. Comment
  UC499337  Salix lasiolepis Annetta M. Carter 1933-3-12 269 San Joaquin 0.5 mi sw Holt (by slough) 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
  UCD111625  Salix lasiolepis G. F. Hrusa; S. A. Wagner 1992-3-22 9063 San Joaquin Caswell Memorial State Park. Stanislaus River. 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
  RSA0038367  Salix sessilifolia var. hindsiana E. E. Stanford 1928-4-30 943 San Joaquin Calaveras River. Comment
  CAS-BOT-BC129001  Salix sitchensis Brian Atwater 1979-3-17 BA- 180 San Joaquin Pristine tidal swamp and marsh inside a meander of Old River and vicinity, between Quinby Island and Franks Tract Comment
  CDA5801  Salpichroa origanifolia H. D. Bowers 1959-10-7 San Joaquin Near Stockton. 0 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
  CDA20576  Salsola australis P. Akers 2005-8-18 s.n. San Joaquin Sacramento Valley; Whiskey Slough, Holt. 0 Comment
  CDA9298  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18526 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 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
  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
  CDA21008  Salsola tragus P. Akers 2002-10-9 RT- 021 -1 San Joaquin San Joaquin Valley; Just E of Interstate 5 on Iron Canyon Circle at Windcave Rd., betw. Pixley Slough and Bear Creek, 7 mi. NW of Stockton. 11 Comment
  CDA21011  Salsola tragus P. Akers 2002-10-9 RT- 020 -1 San Joaquin San Joaquin Valley; W of Interstate 5 on 8 Mi. Rd., 10 mi. NW of Stockton. 0 Comment
  CHSC101509  Salsola tragus P. Akers 2005-11-14 San Joaquin Davis Rd. +/- 200 feet south of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Roadside colony at bridge just S of 8 Mile Rd. Comment
  RSA0037109  Salsola tragus P. Akers 2002-10-9 RT- 021 -1 San Joaquin Just E of Interstate 5 on Iron Canyon Circle at Windcave Rd., betw. Pixley Slough and Bear Creek, 7 mi. NW of Stockton. 11 Comment
  RSA739935  Salsola tragus G. Fred Hrusa 2005-11-14 16840 San Joaquin Davis Rd. +/- 200 ft. S 0f 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Bridge just S of 8 Mile Rd. 8 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-BC180693  Salsola tragus Alice Eastwood 1927-5-19 14447 San Joaquin Byron Springs 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
  JEPS62547  Salvia carduacea W. L. Jepson 1922-4-2 9578 San Joaquin Corral Hollow; Mt. Hamilton Range 182 Comment
  UC762495  Salvia carduacea R. F. Hoover 1938-4-9 3052 San Joaquin lower end Corral Hollow Comment
  UC762477  Salvia columbariae R. F. Hoover 1937-3-19 2817 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  RSA97098  Salvia columbariae 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
  CAS-BOT-BC233281  Salvia mellifera Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10565 San Joaquin Corral Hollow 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
  UCD137643  Sambucus nigra subsp. caerulea G. F. Hrusa; S. A. Wagner 1992-4-24 9291 San Joaquin Caswell Memorial State Park. 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-BC7628  Schoenoplectus acutus var. occidentalis Verne Grant; Herbert L. Mason 1946-8-21 13070 San Joaquin Middle River Bridge, Victoria Island. Comment
  POM313088  Schoenoplectus acutus var. occidentalis H. L. Mason, Verne Grant 1946-8-21 13070 San Joaquin Middle River bridge, Victoria Island. Comment
  RSA366088  Schoenoplectus fluviatilis Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  CAS-BOT-BC243512  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton Comment
  RSA483307  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  CAS-BOT-BC419678  Scutellaria galericulata Brian Atwater 1978-8-18 BA- 47 San Joaquin Between Quinby Island and Franks Tract Comment
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Jul 22 2018
  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
  RSA285917  Secale cereale T. C. Fuller 1969-5-20 18477 San Joaquin South side of Lathrop Rd., 0.1 mi west of Union Rd., 2 mi east of Lathrop Comment
  POM5312  Senecio flaccidus var. douglasii J. A. Sanford 249 San Joaquin Knight's Ferry Comment
  CDA32083  Sesbania punicea N. Barve 2010-9-1 s.n. San Joaquin On levee road at the end of Empire Tract Road, downstream of Herman and Helen s Marina. 0 Comment
  CAS-BOT-BC438174  Sesuvium verrucosum S. B. Parish; W. F. Parish 1881-11-1 s.n. San Joaquin Lathrop, San Joaquin Valley Comment
  JEPS33283  Sesuvium verrucosum Rimo Bacigalupi and L. Constance 1962-8-13 8721 San Joaquin just n of town of Lathrop (along base of Southern Pacific Railway, just s of crossing of Lathrop Road); Southern Pacific Railway 5 Comment
  JEPS78382  Sesuvium verrucosum Edward Lee 1934-7-4 963 San Joaquin Holt 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
  UC127983  Sesuvium verrucosum Harriet A. Walker 1907-9-8 887 San Joaquin Lathrop Comment
  UCD97010  Sesuvium verrucosum Rimo Bacigalupi; L. Constance 1962-8-13 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
  UCD92601  Setaria parviflora G. F. Hrusa; S. A. Wagner 1992-8-9 9336 San Joaquin Caswell Memorial State Park. 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
  UCR123624  Setaria pumila 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-BC240163  Setaria verticillata M. K. Bellue 1938-1-1 s.n. San Joaquin Near Lodi Comment
  UCD37051  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin San Joaquin County, 2 miles northeast of Linden, Calaveras River Basin. 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
  UCD36790  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin San Joaquin County, 0.75 miles south of Thornton. Comment
  UCD38670  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Comment
  UCD92833  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin 0.75 mile south of Thornton. Comment
  UCD92835  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Along State Hwy. 12. Comment
  UCR132389  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Central Valley, 5 miles southwest of Lodi 6 Comment
  UC18882  Sidalcea glaucescens J. A. Sanford 1890-1 426 San Joaquin Comment
  UC1191165  Sidalcea hirsuta Herbert L. Mason 1928-5-3 4451 San Joaquin 4 mi n Clements; n of Clements Comment
  UC18891  Sidalcea hirsuta F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC990720  Sidalcea hirsuta Roxana S. Ferris 1953-5-15 12640 San Joaquin on road btw Everett School and intersection with Bellota-Farminton Road (ca 1 mi w of intersection); btw Everett School and intersection w/Bellota-Farmington Rd. Comment
  UCD116577  Sidalcea hirsuta Marvin L. Nies 1951-5-4 55 San Joaquin 7 miles east of Lodi on Harney Lane. Comment
  UC763985  Sidalcea malviflora subsp. laciniata R. F. Hoover 1935-3-1 256 San Joaquin w San Joaquin River bridge (w of Ripon); w of San Joaquin River bridge w of Ripon Comment
  JEPS73874  Silene antirrhina L. R. Heckard 1974-4-25 3668 San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank> on grounds of Atomic Energy Commission, Univ. of Calif. testing site in Corral Hollow); Corral Hollow, Atomic Energy Commission, <UC> testing site 304 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
  SEINET10760847  Silybum marianum E. E. Stanford 1928-5-10 Stanford 945 San Joaquin Stockton, in waste land Comment
  CAS-BOT-BC74916  Sinapis arvensis J. F. Rock 1917-6-1 s.n. 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
  UC10828  Sisymbrium officinale Mrs. Brandegee 1893-7-9 San Joaquin Bouldin Island Comment
  UCD115727  Sisymbrium officinale G. F. Hrusa; S. A. Wagner 1992-4-22 9317 San Joaquin Caswell Memorial State Park, in the main trail to the west of the Hidden Lake. Comment
  UC765518  Sium suave Robert F. Hoover 1935-9-7 720 San Joaquin Union Island Comment
  CHSC53739  Solanum americanum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2725 San Joaquin Narrow island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  UC204935  Solanum americanum Dr. Edward Palmer Aug 22 1892-Aug 23 1892 2689 San Joaquin near Tracy Comment
  UC26218  Solanum americanum J. A. Sanford 1890-1 57 San Joaquin Stockton 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
  CDA15305  Solanum elaeagnifolium R. Kerr 1998-11-1 s.n. San Joaquin Central Valley; Bear Creek near Clements. 0 Comment
  UCD32453  Solanum elaeagnifolium Beecher Crampton 1950-8-27 644 San Joaquin Tracy. Comment
  CDA34343  Solanum elaeagnifolium E. Finley 1990-8-3 PDR 961968 San Joaquin San Joaquin River Delta; On Empire Tract levee, opposite Cruiser Haven yacht club, Delta Survey #23. 0 Comment
  CDA6227  Solanum sarrachoides T. C. Fuller 1958-7-3 1101 -58 San Joaquin Staten Island. 0 Comment
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Jun 24 2009
  UCD126959  Solanum triflorum Dr. Severin 1925-1 s.n. San Joaquin Manteca. Comment
  CAS-BOT-BC156488  Solanum umbelliferum A. Eastwood; J. T. Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  UC88137  Solidago elongata K. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  UCD136116  Soliva sessilis G. F. Hrusa; S. A. Wagner 1992-4-2 9250 San Joaquin Caswell Memorial State Park. West of westernmost parking area. Comment
  UCR233207  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15834 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
  UCD134049  Sonchus oleraceus G. F. Hrusa; S. A. Wagner 1992-4-22 9273 San Joaquin Caswell Memorial State Park. 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
  UC1099802  Sparganium erectum subsp. stoloniferum Herbert L. Mason and Verne Grant 1946-9-12 13124 San Joaquin about 6 mi s Stockton (on Borden Highway) Comment
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Sep 25 2008
  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
  RSA0098417  Spergularia macrotheca var. leucantha E. E. Stanford 1927-4-12 150 San Joaquin Near Stockton. Comment
  RSA0098418  Spergularia macrotheca var. leucantha E. E. Stanford 1928-4-5 838 San Joaquin Stockton. Comment
  SEINET7040100  Spergularia marina 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
  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
  RSA483232  Sporobolus airoides E. E. Stanford 1930-5-31 1539 San Joaquin Durham Ferry Road. Comment
  RSA582097  Sporobolus airoides E. E. Stanford 1930-5-31 1539 San Joaquin Durham Ferry Road. Comment
  UC767693  Sporobolus airoides R. F. Hoover 1937-5-18 2180 San Joaquin near Lathrop Comment
  SEINET239015 Image available Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles north of Lodi on 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
  CDA2512  Sporobolus indicus T. C. Fuller 1971-1-29 19812 San Joaquin Dayton Johnson property, west side of Atkins Road, 1.3 miles south of Hwy 88, 1.5 miles southwest of Clements. 0 Comment
  CDA2524  Sporobolus indicus T. C. Fuller 1971-1-29 19812 San Joaquin Dayton Johnson property, west side of Atkins Road, 1.3 miles south of Hwy 88, 1.5 miles southwest of Clements. 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
  UCD93152  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin 4 miles NW of Escalon, 0.1 mile W of Dodds Road, S side of Mariposa Road. Comment
  UCD93153  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin 4 miles NW of Escalon, 0.1 mile W of Dodds Road, S side of Mariposa Road. Comment
  UCD93158  Sporobolus indicus Franz R. Kegel 1974-2-26 s.n. San Joaquin San Joaquin County. Comment
  RSA170311  Sporobolus indicus var. indicus J. F. Silva 1963-7-25 s.n. San Joaquin Geo. Stockton Property, Grooms Road, ca. 5 miles NE of Escalon. Comment
  JEPS77913  Stachys albens Edward Lee 1934-7-4 967 San Joaquin Holt Comment
  UC635689  Stachys albens H. L. Mason 1929-9-9 5427 San Joaquin Holt 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
  RSA82552  Stachys albens E. E. Stanford 1930-5-16 1484 San Joaquin Union Island. Wet Roadside near Old River. Comment
  UCD125803  Stachys albens G. F. Hrusa; S. A. Wagner 1992-7-8 9162 San Joaquin Caswell Memorial State Park; Oxbow Lake. Comment
  POM196212  Stellaria media C. R. Quick 1929-2-20 s.n. San Joaquin Campus, Stockton. Comment
  UC8665  Stellaria media Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UCD96908  Stellaria media Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6948 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
  UCR207840  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-3-26 14452 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-BC395080  Stellaria nitens Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks Comment
  RSA135371  Stellaria nitens Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks. Comment
  SD240964  Stellaria pallida George K. Helmkamp, E. A. Helmkamp 2012-4-7 18726 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
  UC35825  Stephanomeria virgata subsp. pleurocarpa F. T. Bioletti 1891-8-30 San Joaquin Lathrop Comment
  UC10879  Streptanthus glandulosus subsp. glandulosus W. H. Brewer 1268 San Joaquin towards head of Arroyo del Puerto Canyon 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
  JEPS59898  Suaeda moquinii W. L. Jepson 1896-7-17 San Joaquin near Stockton (by roadside) Comment
  UC1041028  Suaeda moquinii J. W. Congdon 1887-8-26 San Joaquin Lathrop Comment
  POM179674  Suaeda moquinii J. T. Howell 1930-10-11 5556 San Joaquin 5 miles south of Stockton Comment
  UC29902  Symphyotrichum spathulatum J. Burtt Davy 1893-6-13 1200 San Joaquin Stockton Comment
  UC71891  Symphyotrichum spathulatum Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC86979  Symphyotrichum spathulatum T. S. Brandegee 1892-9-7 San Joaquin Bouldin 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
  UC29840  Symphyotrichum subulatum H. P. Fitch 1888-8-1 138 San Joaquin Stockton Comment
  UC29841  Symphyotrichum subulatum H. P. Fitch 1888-8-7 147 San Joaquin Stockton Comment
  UC469018  Symphyotrichum subulatum Jos. Burtt Davy 1893-11-13 1204 San Joaquin Stockton Comment
  CAS-BOT-BC98289  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
  JEPS31823  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9576 San Joaquin Corral Hollow Comment
  CAS-BOT-BC66609  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66611  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  JEPS23934  Thysanocarpus curvipes unknown Mar 1883 San Joaquin Live Oaks Comment
  JEPS54192  Thysanocarpus curvipes F. W. Gunnison May, 1896 San Joaquin Linden Comment
  SBBG51088  Thysanocarpus radians R. S. Woglum 1941-4-27 2982 San Joaquin Lodi Comment
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Dec 5 2009
  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
  UCD33918  Thysanocarpus radians Beecher Crampton 1975-4-16 9142 San Joaquin 5 miles NNE of Lockeford along Liberty Road. Comment
  UC662466  Trachelium caeruleum Ruth Hoerl July, 1941 San Joaquin 1128 South Stanislaus Street, Stockton. Comment
  UC84144  Trichocoronis wrightii var. wrightii K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC84169  Trichocoronis wrightii var. wrightii Katharine Brandegee 1892-9-9 San Joaquin near Lathrop (County Bridge across the San Joaquin River (type locality of Biolettia riparia)) Comment
  POM216534  Trichostema lanceolatum D. D. Keck 1931-10-18 1316 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  RSA440712  Trichostema lanceolatum D. D. Keck 1931-10-18 1316 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  UC104237  Trichostema lanceolatum T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC764660  Trifolium albopurpureum var. dichotomum R. F. Hoover 1938-4-10 3066 San Joaquin Lower Hospital Canyon Comment
  SJSU7999  Trifolium ciliolatum H. B. Heisinger 1956-4-22 San Joaquin c. 28 mi E of Stockton Comment
  UC86663  Trifolium depauperatum var. amplectens Lewis S. Rose 1938-4-26 33205 San Joaquin Corral Hollow 152 Comment
  POM21660  Trifolium dichotomum C. F. Baker 1903-4-26 2870 San Joaquin Tracy Comment
  UC16533  Trifolium fucatum J. A. Sanford 1890-1 71 San Joaquin Stockton 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
  OBI78211  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UC80533  Trifolium gracilentum Katharine Brandegee Apr 1889 San Joaquin Tracy Comment
  UCD111415  Trifolium microcephalum G. F. Hrusa; S. A. Wagner 1992-4-22 9312 San Joaquin Caswell Memorial State Park. Comment
  UCD109285  Trifolium pratense B. Forbes 1950-7-1 s.n. San Joaquin Linden. 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
  JEPS4177  Trifolium willdenovii W. L. Jepson 1929-4-28 15197 San Joaquin Clements Comment
  POM18863  Trifolium willdenovii C. F. Baker 1903-4-24 2773 San Joaquin Tracy. Comment
  UC155187  Trifolium willdenovii Katharine Brandegee May 1908 San Joaquin Lathrop Comment
  UC631155  Trifolium willdenovii P. B. Kennedy 1907-4-19 San Joaquin Ripon; on rr track Comment
  UC968637  Trifolium willdenovii C. L. Hitchcock 1940-5-12 San Joaquin 3 mi s Galt Comment
  UC165496  Trifolium willdenovii J. Burtt Davy April 1897 3124 San Joaquin head of San Joaquin Valley Comment
  UC16724  Trifolium willdenovii Tracy 1891-1 San Joaquin Benj. Cobb. Comment
  SEINET10458950  Triodanis biflora Sanford SANFORD 1890 -91 San Joaquin STOCKTON Comment
  SJSU15309  Triphysaria eriantha I. Bhend 1976-3-20 13 San Joaquin 9.7 miles south of Highway 4. Elev. 900-1200 ft. 274 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
  UC27183  Triphysaria eriantha subsp. eriantha J. A. Sanford 1890-1 166 San Joaquin Stockton 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
  CDA32749  Triphysaria versicolor subsp. faucibarbata J. B. Gianelli 1997-4-2 s.n. San Joaquin Angraves Estate, northeast corner of Liberty and Dustin roads, Acampo. 0 Comment
  UC3280  Triteleia hyacinthina J. A. Sanford 1890-1 361 San Joaquin Waverley Comment
  UC3282  Triteleia hyacinthina F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC522285  Triteleia hyacinthina W. P. Steinbeck 1920-4-1 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC522286  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 15 Comment
  POM196334  Triteleia hyacinthina E. E. Stanford 1928-5-12 950 San Joaquin Near Peters. Comment
  RSA378022  Triteleia hyacinthina E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UCD96927  Triteleia laxa Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6961 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
  UC1971353  Triteleia lugens Russell S. Woglum 1941-4-27 2981 San Joaquin SAN JOAQUIN VALLEY: Lodi. Comment
  CAS-BOT-BC67344  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3467 San Joaquin Tracy-Southern Pacific-Niles line. 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
  JEPS54259  Tropidocarpum gracile Benj. Cobb 1900-4-4 San Joaquin Tracy Comment
  RSA428384B  Tropidocarpum gracile E. E. Stanford 1930-4-5 1250 San Joaquin Hospital Canyon. Comment
  UC1005658  Tropidocarpum gracile Frank W. Gould 1939-3-18 571 San Joaquin in open pasture Mt. Hamilton Range, Corral Hollow, Castle Rock 182 Comment
  UC1561441  Tropidocarpum gracile Barbara Ertter with Dale McNeal 1986-3-14 5790 San Joaquin bank on n side of Tesla Rd (Rt J12) 3.5 mi w jct of I-580 (se of Livermore); Diablo Range, Corral Hollow 152 Comment
  RSA21455  Tropidocarpum gracile C. B. Wolf 1937-3-31 8389 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  CAS-BOT-BC200550  Tuctoria greenei Robert 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
  UC128663  Typha angustifolia J. A. Sanford 1909-5-28 San Joaquin near Stockton Comment
  UC1241759  Typha domingensis Herbert L. Mason 1948-6-29 13576 San Joaquin one mi n Tracy; San Joaquin Valley Comment
  UC292  Typha latifolia J. A. Sanford 1890-1 181 San Joaquin W. Stockton Comment
  UC441315  Typha latifolia Harriet A. Walker 1907-9-8 894 San Joaquin Lathrop Comment
  CAS-BOT-BC404013  Urtica dioica subsp. holosericea Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  UC173122  Urtica dioica subsp. holosericea Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UCD143426  Urtica dioica subsp. holosericea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  POM182807  Urtica dioica subsp. holosericea N. K. Berg 1903-12-10 s.n. San Joaquin Rough and Read Isl. Comment
  JEPS43425  Urtica urens W. L. Jepson 1922-4-2 9588 San Joaquin Mount Hamilton Range, Corral Hollow, Castle Rock Castle Rock; Mount Hamilton Range, Corral Hollow, Castle Rock Comment
  UC635679  Utricularia gibba Herbert L. Mason 1929-9-9 5420 San Joaquin marshes of Lower San Joaquin R. Lower San Joaquin R. Comment
  UC1111555  Utricularia macrorhiza Herbert L. Mason 1937-6-21 11549 San Joaquin 0.5 mi. s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough 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
  JEPS77911  Utricularia vulgaris Edward Lee 1934-7-4 965 San Joaquin Holt Comment
  PASA38  Utricularia vulgaris Annetta M. Carter 1931-7-29 237 San Joaquin Holt Comment
  UCR63951  Verbascum blattaria L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCD124630  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. Comment
  JEPS39038  Verbena bracteata W. L. Jepson 1923-10-22 10285 San Joaquin San Joaquin River San Joaquin City; , San Joaquin River Comment
  CDA15562  Verbena brasiliensis G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14893 San Joaquin Caswell Memorial State Park; Middle reaches of Fence Line trail. Comment
  JEPS39056  Verbena hastata W. L. Jepson 1913-11-22 5693 San Joaquin Middle River, lower San Joaquin delta Comment
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  JEPS39036  Verbena litoralis J. W. Congdon 1903-9-2 San Joaquin Bouldin Island; lower San Joaquin River Comment
  UCD125644  Verbena litoralis Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2714 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
  UCD125641  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125647  Verbena litoralis G. F. Hrusa 1992-8-26 9573 San Joaquin Caswell Memorial State Park. Comment
  UCR128231  Veronica anagallis-aquatica 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
  CHSC110792  Veronica filiformis Dean Wm. Taylor 2012-11-23 21319 San Joaquin Stockton (Lincoln Village), residential lawn bordering southeasternmost arm of Lake Lincoln; T/R/Section unsectionized (projected to 2N6E14). 1 Comment
  JEPS16494  Veronica peregrina subsp. xalapensis W. L. Jepson 1937-4-23 18014 San Joaquin 0.5 mi se of Stockton (on Farmington road) Comment
  UC27717  Veronica peregrina subsp. xalapensis J. A. Sanford 1890-1 156 San Joaquin French Camp Comment
  JEPS21856  Veronica persica Joe Zaerr 1958-5-3 99 San Joaquin Highway 88 e of Clements (Sacramento Valley); Sacramento Valley 152 Comment
  UCR238737  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-2-3 18523 San Joaquin San Joaquin Valley, Escalon-Bellota Road, 0.2 mile south of its junction with CA-26, NE of Linden 39 Comment
  RSA398004  Vicia sativa E. E. Stanford 1930-4-17 1329 San Joaquin Clements Road. Comment
  UC1761727  Viola douglasii W. W. Mackie Apr 1905 San Joaquin SE of Stockton (Peters) Comment
  CAS-BOT-BC203010  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Jones Tract, San Joaquin Delta 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
  UCD17093  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17095  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17097  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17100  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17101  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17102  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17103  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17104  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17109  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17110  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17111  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17113  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus 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
  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
  UCD17118  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17119  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at 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
  UCD17121  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
  UCD17125  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin 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
  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
  RSA114301  Vulpia eastwoodiae J. T. Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC183681  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1938-4-18 5092 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC183682  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow Comment
  UC766931  Vulpia microstachys var. ciliata R. F. Hoover 1937-4-3 1740 San Joaquin lower end Corral Hollow Comment
  CAS-BOT-BC183747  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon Comment
  POM352957  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon. 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
  UC766892  Vulpia microstachys var. confusa Robert F. Hoover 1935-3-1 239 San Joaquin Vernalis; San Joaquin Valley 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
  CAS-BOT-BC184501  Vulpia microstachys var. pauciflora John Thomas Howell 1938-4-3 13735 San Joaquin Corral Hollow Comment
  CAS-BOT-BC184502  Vulpia microstachys var. pauciflora Alice Eastwood 1935-4-7 2087 A San Joaquin East end of Corral Hollow Comment
  UC766933  Vulpia microstachys var. pauciflora R. F. Hoover 1938-4-9 3036 a San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UCR238405  Vulpia myuros George K. Helmkamp, E. A. Helmkamp 2012-4-7 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
  SEINET3271556 Image available Vulpia myuros f. megalura George K. Helmkamp, E. A. Helmkamp 2009-3-26 14463 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-BC185744  Vulpia myuros subsp. megalura E. E. Stanford 1927-3-29 133 San Joaquin Near Stockton. Open field near Campus Comment
  CAS-BOT-BC185746  Vulpia myuros subsp. megalura E. E. Stanford 1927-4-21 175 San Joaquin Near Stockton Comment
  SEINET5586227  Vulpia myuros subsp. megalura George K. Helmkamp, E. A. Helmkamp 2012-1 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
  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-BC423393  Wislizenia californica Michener; Bioletti 1893-8-1 s.n. San Joaquin Lathrop Comment
  JEPS33284  Wislizenia refracta Rimo Bacigalupi and L. Constance 1962-8-13 8722 San Joaquin along base of Southern Pacific railway embankment just s crossing of Lathrop Road (just n of town of Lathrop) 5 Comment
  UCD116382  Wislizenia refracta Rimo Bacigalupi; L. Constance 1962-8-13 8722 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road; just north of town of Lathrop. 5 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
  POM142488  Wislizenia refracta subsp. californica Katherine Brandegee 1907-10-2 25 San Joaquin Near 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
  UC101850  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  UC11146  Wislizenia refracta subsp. californica J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  UC11149  Wislizenia refracta subsp. californica F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC11151  Wislizenia refracta subsp. californica Edw. L. Greene 1889-1 San Joaquin Lathrop Comment
  UC419717  Wislizenia refracta subsp. californica Mrs. H. P. Bracelin 1930-10-11 89 San Joaquin 5 mi w Stockton Comment
  SEINET5850076  Wislizenia refracta subsp. californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop 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
  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-BC535199  Wolffiella lingulata Herbert L. Mason 1945-10-10 s. n. San Joaquin Trapper Slough, Roberts Island, delta of the San Joaquin River Comment
  CAS-BOT-BC535222  Wolffiella lingulata John Thomas Howell 1932-9-2 10790 San Joaquin Floating in slough, Holt Comment
  CAS-BOT-BC535225  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin Trapper Slough, 1/2 mile southwest of Holt, Roberts Island Comment
  POM257227  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin Trapper Slough, 0.5 mile southwest of Holt, Roberts Island Comment
  SEINET11770036  Wolffiella lingulata J. T. Howell 1932-1 10790 San Joaquin Holt Comment
  CAS-BOT-BC382875  Wyethia angustifolia C. L. Hitchcock 1940-5-12 6357 San Joaquin 3 miles south of Galt 15 Comment
  CAS-BOT-BC382876  Wyethia angustifolia E. E. Stanford 1930-4-17 1339 San Joaquin Clements Road Comment
  JEPS32066  Wyethia angustifolia R. F. Hoover 1936-4-30 1061 San Joaquin Lockeford 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
  UC485135  Xanthium spinosum