Search Results — 2000 specimen records retrieved (1450 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/consortium/).
 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
  SD241095  Abutilon theophrasti George K. Helmkamp, E. A. Helmkamp 2011-10-15 18440 San Joaquin San Joaquin Valley: along CA-4, 0.4 mile east of Farmington (Farmington 7.5'Q) 41 Comment
  SEINET3292756 Image available Acacia William G. Gambill Jr. 1965-3-31 San Joaquin Stockton, Amos Alonzo Stagg High School. Comment
  JEPS100505  Acanthomintha lanceolata Dean W. Taylor 1995-4-13 14821 San Joaquin Hospital Canyon 320 Comment
  UCD147100  Acer negundo Chuck Hughes 2013-5-28 384 San Joaquin Side of Tracy Lake Dam, near the Mokelumne River. 6 Comment
  POM196279  Acer negundo subsp. californicum E. E. Stanford 1928-3-20 834 San Joaquin Near Peters 30 Comment
  CAS-BOT-BC334163  Acer negundo var. californicum J. W. Congdon 1894-3-3 s.n. San Joaquin Lockeford [? handwriting hard to read] Comment
  RSA94582  Achillea millefolium var. californica E. E. Stanford 1930-04 s.n. San Joaquin Near Elliott Comment
  CDA37732  Achnatherum brachychaetum R. Breckenridge/K. Filippini 2009-11-15 s.n. San Joaquin Tracy; Thomsen Farms. 0 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
  RSA416305  Achyrachaena mollis E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UCD103927  Acmispon americanus var. americanus E. F. Serr 1931-8-19 2256 San Joaquin Stockton. Comment
  UCD96885  Acmispon brachycarpus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6933 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-BC29255  Acroptilon repens D. C. Frieders; M. Keffer 1971-12-8 s.n. San Joaquin Roadside, NW corner of Harbor Blvd and Los Angeles Ave, Stockton Comment
  CAS-BOT-BC202666  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line Comment
  RSA76974  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  SJSU5397  Agrostemma githago var. githago M. E. Myers 1955-5-22 65 San Joaquin 12 mi E of Lodi 60 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
  UC766922  Agrostis exarata R. F. Hoover 1935-8-3 705 San Joaquin 5 mi sw Ripon 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
  JEPS73876  Allium amplectens L. R. Heckard 1974-4-25 3670 San Joaquin 1/2 mi e Alameda county line (just w of Drop Tower No.__ on grounds of Atomic Energy Commission, Univ. of Calif. testing site); Corral Hollow 304 Comment
  RSA88890  Allium amplectens E. K. Balls 1954-3-9 18902 San Joaquin Grown in Botanic Garden. Comment
  UC917065  Allium crispum R. Bacigalupi 1949-5-17 3094 San Joaquin upper slopes of Hospital Canyon Hospital Canyon 243 Comment
  CDA2747  Allium neapolitanum J. B. Gianelli 1962-4-9 San Joaquin Victor Colvin property, Almond Drive & Stockton Drive, Lodi. 0 Comment
  UCD58718  Allium paniculatum var. paniculatum Malcolm Evett 2007-6-29 s.n. San Joaquin Stockton. 8243 Onyx Ct. 95210. Comment
  RSA21457  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC917064  Allium serra R. Bacigalupi 1949-5-17 3095 San Joaquin Upper slopes of Hospital Hospital Canyon 243 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-BC171443  Alnus rhombifolia Brian Atwater 1978-8-31 130 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  JEPS12800  Alopecurus saccatus Rimo Bacigalupi with G. T. Robbins 1955-5-5 5002 San Joaquin 1 1/2 mi. s. Peters (near Peters Dump, along rd. to Farmington) 33 Comment
  JEPS68432  Alopecurus saccatus W. L. Jepson 1929-4-28 15195 San Joaquin Lockeford 30 Comment
  RSA146097  Alopecurus saccatus E. E. Stanford 1927-3-29 132 San Joaquin Stockton; open field near Campus. 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
  UCD55939  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin ca. 7- 3/4 miles NNE Lodi, Liberty and Bruella Roads. Comment
  CHSC83141  Amaranthus A. M. Shapiro 1987-7-11 San Joaquin Ca. 2 mi. west of Farmington, State Hwy 4, milepost S.J. 28.00. Roadside. Comment
  SEINET3237954 Image available 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
  UCD97166  Amaranthus albus G. F. Hrusa; S. A. Wagner 1992-7-8 9186 San Joaquin Caswell Memorial State Park. Comment
  CDA14279  Amaranthus arenicola T. Gantenbein 1998-6-14 s.n. San Joaquin Sacramento Delta; Roadside, Roberts Island. 0 Comment
  CDA14317  Amaranthus blitoides A. Wheelon, L. Allen 1998-8-12 s.n. San Joaquin San Joaquin Valley; Rough & Ready Island. 0 Comment
  UCD97199  Amaranthus blitoides G. F. Hrusa; S. A. Wagner 1992-4-22 9258 San Joaquin Caswell Memorial State Park. Comment
  CDA3238  Amaranthus cruentus L. Todd 1962-7-31 San Joaquin H. O. Todd property, S. Church Street, Lodi. 0 Comment
  CDA9341  Amaranthus hybridus G. F. Hrusa, R. Rhode 2013-11-8 18531 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 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
  UCD39268  Amaranthus palmeri B. Crampton 1968-9-16 8342 San Joaquin Manteca, jct. Hwy 120 and Hwy. 99. Comment
  SD240817  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  UCR232675  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UC88760  Ambrosia psilostachya T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC55623  Ambrosia psilostachya E. E. Stanford 1926-8-31 5 San Joaquin Stockton Comment
  UC73989  Ambrosia psilostachya J. A. Sanford 220 San Joaquin Robert's Island Comment
  SEINET237585  Amelichloa caudata Tad H. Gantenbein San Joaquin NE of Tracy town of Banta west of town between Grant Line Rd and Hwy 205 east of Paradise Rd. Comment
  UC19726  Ammannia coccinea F. T. Bioletti Sept 1892 San Joaquin near Banta (San Joaquin Bridge); San Joaquin Bridge 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
  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
  RSA639016  Ammi majus Michael A. Vincent 1999-6-12 8619 San Joaquin Along Route 4, 0.5 mile east of Jack Tome Road 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
  CAS-BOT-BC214038  Amsinckia E. E. Stanford 1928-3-2 784 San Joaquin Stockton Comment
  CAS-BOT-BC214039  Amsinckia L. R. Abrams 1923-3-31 9953 San Joaquin 3 mi. from Manteca on Stockton Road Comment
  CAS-BOT-BC222313  Amsinckia douglasiana Carl B. Wolf 1937-3-31 8379 San Joaquin San Joaquin Valley, 3 mi. E. of Tracy at junction with Vernalis Road 7 Comment
  SEINET12519189  Amsinckia douglasiana Carl B. Wolf 1937-1 8375 San Joaquin San Joaquin Valley; 1 mi south of Stockton on Tracy Road 5 Comment
  JEPS61114  Amsinckia eastwoodiae R. F. Hoover 1935-3-1 232 San Joaquin Vernalis Comment
  RSA499909  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  UC1084594  Amsinckia eastwoodiae Francia Chisaki, Peter M. Ray 1952-3-29 2189 San Joaquin 1.8 mi n Corral Hollow (basin e of Alameda-San Joaquin County line) 381 Comment
  UC1178333  Amsinckia eastwoodiae Ray and Chisaki 1952-4-22 K 138 San Joaquin Farmington Comment
  UC1178335  Amsinckia eastwoodiae Ray and Chisaki 1952-4-22 K 138 San Joaquin Farmington Comment
  UC723298  Amsinckia eastwoodiae H. K. Sharsmith 1935-3-3 1485 San Joaquin slopes of Corral Hollow; Mount Hamilton Range 228 Comment
  UCD96869  Amsinckia eastwoodiae Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6923 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. Along main road through property, going south along ridgetop. Ridge east of Arnsinckia grandiflora canyon. Comment
  RSA21265  Amsinckia eastwoodiae C. B. Wolf 1937-3-31 8379 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC222440  Amsinckia grandiflora Peter H. Raven 1950-3-26 1518 San Joaquin Corrall [Corral] Hollow, 2 miles up canyon opening on the Tesla Rd. 15.1 miles from Livermore Comment
  CAS-BOT-BC222441  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line Comment
  CAS-BOT-BC222443  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line 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
  CAS-BOT-BC222450  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin East side of canyon leading north from Corral Hollow 0.45 mile east of San Joaquin-Alameda County line, 1.1 miles north of road in Corral Hollow 304 Comment
  CAS-BOT-BC222451  Amsinckia grandiflora A. Mullen; G. A. Beeman 1991-4-18 s.n. San Joaquin Patrick/Mark Conolly Ranch 274 Comment
  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
  RSA128388  Amsinckia grandiflora Robert F. Hoover 1938-4-9 3021 San Joaquin One mile north of Corral Hollow near Alameda County line. Comment
Read comments
Nov 17 2007
  RSA584743  Amsinckia grandiflora A. Mullen, G. A. Beeman 1991-4-18 s.n. San Joaquin Patrick / Mark Conolly Ranch. North facing canyon wall on very steep slope. 274 Comment
  UC1178263  Amsinckia grandiflora Francia Chisaki 1956-4-5 664 San Joaquin 1.5 mi n of raod in Corral Hollow (0.45 mi e of San Joaquin-Alameda county line, e side of canyon leading n from Corral Hollow) Comment
  UC762086  Amsinckia grandiflora R. F. Hoover 1938-5-7 3357 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  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
  SEINET12280474  Amsinckia grandiflora L. S. Rose 1938-1 San Joaquin Comment
  SEINET7883454  Amsinckia grandiflora Lewis S. Rose 1938-1 San Joaquin 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
  CDA19660  Amsinckia intermedia G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1180 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  HSC104228  Amsinckia intermedia G. K. Helmkamp 2014-3-18 22574 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  JEPS76766  Amsinckia intermedia L. R. Heckard 1974-4-25 3674 San Joaquin on grounds of Atomic Energy Commission, Univ. of Calif (testing site in Corral Hollow, 1/2 mi e of Alameda County line, just w of Drop Tower) 304 Comment
  RSA201466  Amsinckia intermedia Alice Eastwood, John Thomas Howell 1935-4-7 2113 San Joaquin East end of Corral Hollow. Comment
  RSA28988  Amsinckia intermedia Lincoln Constance, Alan Beetle 1940-3-21 2527 San Joaquin Castle Rock, Coral Hollow. 198 Comment
  SD240912  Amsinckia intermedia George K Helmkamp, E. A. Helmkamp 2012-4-7 18721 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of tis junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  SD71394  Amsinckia intermedia Alice Eastwood, John Thomas Howell 1935-4-7 San Joaquin East end of Corral Hollow Comment
  SEINET3828573  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-1 18721 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
  UC1084591  Amsinckia intermedia Peter M. Ray 1952-3-29 2187 San Joaquin 1 mi n Corral Hollow (w side of ridge near summit, first ridge e of Alameda-San Joaquin county line just n of; (hill 1524)) 457 Comment
  UC1094068  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1951-4-14 1983 San Joaquin 3 mi e of Stockton (Hwy #4) 7 Comment
  UC1178286  Amsinckia intermedia Ray and Chisaki 1952-9-3 K 159 San Joaquin Farmington Comment
  UC75331  Amsinckia intermedia C. F. Baker 1903-4-25 2779 San Joaquin Tracy; Pacific Coast Comment
  UCD119680  Amsinckia intermedia G. F. Hrusa; S. A. Wagner 1992-3-4 9099 San Joaquin Caswell Memorial State Park. 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
  UCR238412  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-4-7 18721 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCSB5508  Amsinckia intermedia Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow; Inner Coast Ranges 198 Comment
  RSA0089703  Amsinckia intermedia Robert F. Hoover 1937-4-3 1747 San Joaquin Lower end of Corral Hollow. Comment
  JEPS24902  Amsinckia lycopsoides W. L. Jepson 1922-4-2 9594 San Joaquin Corrral Hollow; Mount Hamilton Range 182 Comment
  UC1094067  Amsinckia lycopsoides Francia Chisaki, Peter M. Ray 1951-4-14 1984 San Joaquin 3 mi e Stockton (Hwy #4) 7 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
  RSA21264  Amsinckia lycopsoides C. B. Wolf 1937-3-31 8378 San Joaquin San Joaquin Valley, 3 mi. e. of Tracy at junction with Vernalis Road. 8 Comment
  UC1191064  Amsinckia menziesii var. menziesii C. R. Bell 1951-4-6 955 San Joaquin Farmington Comment
  CAS-BOT-BC26954  Amsinckia scabricarpa Alice Eastwood 1917-4-2 s.n. San Joaquin Banta Comment
  JEPS20912 Image available Amsinckia tessellata W. L. Jepson 1896-6-27 100 d San Joaquin between Mossdale School and Atlanta; ; Between Mossdale School & Atlanta, San Joaquin Co. Comment
  UCD96890  Amsinckia tessellata Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6936 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
  SEINET12519231  Amsinckia tessellata P. O. Schallert 1943-1 39 San Joaquin Stockton Comment
  JEPS25301  Amsinckia tessellata var. gloriosa R. F. Hoover 1938-3-20 2892 San Joaquin Vernalis Comment
  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
  RSA97193  Amsinckia vernicosa Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  UC765549  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-9 3023 San Joaquin 1 mi n of Corral Hollow (near Alameda County line) Comment
  CAS-BOT-BC45266  Ancistrocarphus filagineus Roxana Ferris 1908-4-15 9400 A San Joaquin Near gravel pit at mouth of Corral Hollow Comment
  JEPS40576  Ancistrocarphus filagineus R. F. Hoover 1937-4-3 1741 San Joaquin lower end Corral Hollow Comment
  CAS-BOT-BC46944  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 San Joaquin two mi. e. of Midway. Midway is e. of Patterson Pass, and s. of Mountain House on Rt. 50. Comment
  UC69650  Anoda cristata W. L. Jepson and J. A. Sanford 1903-1 San Joaquin Stockton Comment
Read comments
Jan 11 2008
  RSA416835  Anthemis cotula Clarence R. Quick 1929-6-4 s.n. San Joaquin Calaveras River Bottom, North of campus (College of the Pacific), Stockton. Comment
  UC625372  Apocynum cannabinum Ira L. Wiggins 1938-8-15 9005 San Joaquin drainage canal 1 1/2 mi. e. Middle R. Bridge (on Hwy. #4) Comment
  RSA23171  Apocynum cannabinum I. L. Wiggins 1938-8-15 s.n. San Joaquin Bank of drainage canal 1.5 miles east of Middle River Bridge on Highway #4 Comment
  RSA308817  Apocynum cannabinum I. L. Wiggins 1942-7-1 s.n. San Joaquin San Joaquin Bridge, 4.5 miles south of Stockton Comment
  RSA147785  Apocynum sibiricum E. E. Stanford 1927-9-26 715 San Joaquin Stockton, near Louis Park Comment
  UC21920  Arctostaphylos viscida subsp. mariposa J. A. Sanford 1890-1 422 San Joaquin Comment
  UC29660  Artemisia biennis D. T. Fowler 1899-10-1 San Joaquin Lockford Comment
  CAS-BOT-BC90257  Artemisia douglasiana Brian Atwater 1978-8-22 BA- 75 San Joaquin Middle River; between Victoria Is. and Upper Jones Tract Comment
  UC29702  Artemisia douglasiana J. A. Sanford 1890-1-1 San Joaquin Comment
  UC449642  Artemisia douglasiana Harriet A. Walker 1907-9-8 907 San Joaquin Sathrop Comment
  POM54292  Artemisia douglasiana H. P. Fitch 135 San Joaquin Stockton Comment
  RSA417295  Artemisia douglasiana Twilia Kendall 1928-10 s.n. San Joaquin Stockton Comment
  UC22984  Asclepias fascicularis Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC22989  Asclepias fascicularis F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC22994  Asclepias fascicularis J. A. Sanford 1890-1 48 San Joaquin Stockton Comment
  UC23002  Asclepias fascicularis J. A. Sanford 1890-1 382 San Joaquin Stockton Comment
  SEINET10637016  Asclepias fascicularis Ezra Michener, Frederic T. Bioletti 1892-9-9 Michener s.n. 1892 San Joaquin Lathrop Comment
  UCR63912  Asclepias speciosa L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  RSA201894  Asclepias vestita W. L. Jepson 1902-5-18 1823 -C San Joaquin Clements 41 Comment
  RSA201429  Asparagus officinalis J. T. Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  SD71048  Asparagus officinalis Hohn Thomas Howell 1954-9-5 30029 San Joaquin Along highway near Holt. Comment
  CAS-BOT-BC478841  Asparagus officinalis John Thomas Howell 1967-10-19 44018 San Joaquin Caswell Memorial State Park 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
  CDA10353  Aster subulatus var. ligulatus T. C. Fuller 1959-10-27 3262 San Joaquin Road to Knights Ferry, ca. 4 miles southwest of Farmington. 0 Comment
  POM51393  Aster subulatus var. ligulatus L. R. Abrams 1917-9-14 6744 San Joaquin 4 miles north of Stockton; Stockton-Sacramento Road Comment
  RSA124892  Aster subulatus var. ligulatus A. G. O'Berg 1955-10-1 s.n. San Joaquin 2.1 miles south of San Joaquin on west side of Colorado Road, along edge of cultivated cotton field. Comment
  RSA417850  Aster subulatus var. ligulatus R. Reynolds 1927-9-27 40 San Joaquin Stockton 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
  RSA415798  Astragalus curtipes L. S. Rose 1936-3-19 36072 San Joaquin Morro Beach. 15 Comment
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Aug 18 2014
  UC13346  Astragalus didymocarpus F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  UC82658  Astragalus didymocarpus C. F. Baker 1903-4-25 2782 San Joaquin Tracy Comment
  UC862650  Astragalus didymocarpus Lewis S. Rose 1938-4-18 38153 San Joaquin Hospital Canyon 152 Comment
  SEINET12159810  Astragalus didymocarpus L. S. Rose 1938-1 38153 San Joaquin Hospital canyon 152 Comment
  CAS-BOT-BC182330  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1938-4-18 5076 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC182333  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1935-4-7 s.n. San Joaquin Corral Hollow Comment
  CAS-BOT-BC182331  Astragalus didymocarpus var. didymocarpus John Thomas Howell 1933-3-26 10883 San Joaquin 14 miles northwest of McKittrick. 914 Comment
  CAS-BOT-BC182661  Astragalus douglasii Volney Rattan 1880-7-1 s.n. San Joaquin Live Oaks Comment
  RSA138294  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
  CAS-BOT-BC178270  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC178271  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  UC635294  Astragalus gambelianus H. L. Mason 1932-3-19 6834 San Joaquin two mi e Midway (near Tracy); e of Midway, near Tracy Comment
  UC764942  Astragalus gambelianus R. F. Hoover 1938-4-9 3040 San Joaquin hill betw. Castle Rock and Black Butte (Corral Hollow); , hill betw. Castle Rock and Black Butte Comment
  RSA60149  Astragalus gambelianus Lois E. James 1947-4-12 1755 San Joaquin Hills just N of San Luis Obispo. Comment
  CAS-BOT-BC193340  Astragalus tener var. tener E. E. Stanford 1927-3-23 116 San Joaquin Stockton. Near Smith's Canal Comment
  UCD105437  Astragalus tener var. tener Roman Gankin 1958-3-8 s.n. San Joaquin Off of U.S. Highway 50, between Tracy and Livermore. Comment
  RSA128158  Astragalus trichopodus Clare B. Hardham 1957-5-10 1953 San Joaquin Willow Creek, near Memmonite Church. Comment
  CAS-BOT-BC17576  Athysanus pusillus Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10561 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC17577  Athysanus pusillus Frank Walton Gould 1940-3-12 883 San Joaquin Ridge opposite Castle Rock, Corral Hollow, Mount Hamilton Range. 198 Comment
  RSA147793  Atriplex argentea E. E. Stanford 1927-8-15 678 San Joaquin Stockton Comment
  CDA23229  Atriplex argentea var. mohavensis J. T. Howell 1973-10-31 50265 San Joaquin Along Highway 50 at Hospital Creek southeast of Vernalis. 0 Comment
  UC205287  Atriplex argentea var. mohavensis H. M. Hall 1919-10-26 San Joaquin Manteca Comment
  UC7134  Atriplex argentea var. mohavensis J. Burtt Davy 1893-11-13 1191 San Joaquin Stockton Comment
  CAS-BOT-BC168531  Atriplex confertifolia John Thomas Howell 1930-6-28 5324 San Joaquin Banta Junction, about 1 mile from Banta Comment
  SEINET4133819  Atriplex fruticulosa Howard C. Stutz 1991-5-31 95520 San Joaquin North Livermore, 2000 No, Bluebell Boulevard.; 0 Comment
  CAS-BOT-BC180936  Atriplex minuscula F. R. Lawson 1930-10-14 s.n. San Joaquin 8.8 miles N. of Tranquility Comment
  CDA2944  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  UC57370  Atriplex semibaccata N. K. Berg 1903-12-10 28 San Joaquin Rough and Ready Isl. Comment
  UCD39027  Atriplex semibaccata Beecher Crampton 1960-8-9 5764 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  UCD97719  Atriplex semibaccata G. L. Stebbins Jr.; Alva Day 1966-3-12 6314 San Joaquin at lower end of Corral Hollow. Comment
  JEPS59394  Atriplex serenana W. L. Jepson 1896-7-17 San Joaquin near Stockton; Lower San Joaquin, near Stockton Comment
  UCD97792  Atriplex serenana A. S. Crafts 1926-7-24 503 San Joaquin between Manteca and Merced. Comment
  CAS-BOT-BC180889  Atriplex serenana var. serenana David D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., five miles east of Manteca 23 Comment
  CAS-BOT-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
  CAS-BOT-BC180893  Atriplex serenana var. serenana Roxana S. Ferris 1951-9-15 12470 San Joaquin Near Lathrop. Comment
  CDA17065  Atriplex suberecta G. F. Hrusa, P. Akers 2003-10-1 16136 San Joaquin San Joaquin Valley; Hwy 33 app. 1/2 mi. S of I-5 Vernalis exit. 22 Comment
  RSA147734  Atriplex subspicata E. E. Stanford 1927-9-26 718 San Joaquin 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
  SEINET3291460 Image available Avena fatua Unknown 1945-4-22 San Joaquin Stockton Comment
  UCD56402  Avena fatua G. F. Hrusa; S. A. Wagner 1992-4-22 9256 San Joaquin Caswell Memorial State Park. Comment
  SBBG28505  Azolla filiculoides E. Lee 1934-7-4 970 San Joaquin Borden Hwy between Middle and Old Fks of San Joaquin River Comment
  CAS-BOT-BC66228  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  CAS-BOT-BC66231  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  POM209887  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  CAS-BOT-BC98794  Baccharis douglasii Jack E. Gianelli 1959-6-25 s.n. San Joaquin S end of Garden Rd. and White Slough Rd, Sing Kee Basin near Lodi Comment
  CAS-BOT-BC98795  Baccharis douglasii E. E. Stanford 1926-10-12 51 San Joaquin Near Stockton Comment
  POM146128  Baccharis douglasii E. E. Stanford 1926-10-12 51 San Joaquin Near Stockton Comment
  POM196206  Baccharis douglasii E. E. Stanford 1929-10-25 1173 San Joaquin Near Stockton Comment
  JEPS21242  Baccharis glutinosa R. F. Hoover 1935-9-9 724 San Joaquin Union Island Comment
  UC61022  Baccharis glutinosa N. K. Berg 1903-12-12 San Joaquin Rough and Ready Island Comment
  UC672312  Baccharis glutinosa H. L. Mason 1928-9-30 4964 San Joaquin near, San Joaquin Delta Holt; San Joaquin Delta Comment
  UC73990  Baccharis glutinosa J. A. Sanford 225 San Joaquin Robert's Island San Joaquin Valley 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
  UC26786  Bacopa eisenii J. A. Sanford 1893-1 San Joaquin Stockton Comment
  SEINET3387388 Image available Baeria platycarpha P. O. Schallert 1945-4-1 160 San Joaquin Smaller gold fields 20 m. of Stockton, California Comment
  UCD18400  Banisteria schizoptera Warren G. Roberts 1978-7-26 s.n. San Joaquin San Joaquin and Yolo Counties: cities of Stockton and Davis. Comment
  CDA21203  Basella alba J. Allan 2006-11-3 PDR 1301869 San Joaquin San Joaquin Valley; SE corner of Sonora and Della, Stribley Park. Comment
  POM204439  Bassia hyssopifolia J. T. Howell 1933-7-20 11444 San Joaquin Bottom lands along San Joaquin River near Tracy. Comment
  UCD129572  Bidens frondosa G. F. Hrusa; S. A. Wagner 1992-8-9 9333 San Joaquin Oxbow Lake, Caswell Memorial State Park. Comment
  SD58196  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, lower San Joaquin River. Comment
  CAS-BOT-BC102028  Bidens laevis E. E. Stanford 1926-10-19 67 San Joaquin Stockton Comment
  CDA10516  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
  UCD129557  Bidens laevis J. M. Tucker 1951-10-31 2313 San Joaquin Northwestern San Joaquin County: Staten Island, ca. 3-5 miles south of Walnut Grove. Comment
  CDA6860  Bidens tripartita Peter Rubtzoff 1964-9-2 5517 San Joaquin Caswell Memorial State Park, 7 miles south of Manteca. 0 Comment
  UCR232292  Blennosperma bakeri George K. Helmkamp, E. A. Helmkamp 2011-3-29 17097 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
  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
  CAS-BOT-BC127906  Blepharizonia laxa James Vale 1975-10-4 s.n. San Joaquin Middle part of Corral Hollow Comment
  JEPS18820  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Hospital Canyon (lower part) Comment
  UCD129611  Blepharizonia laxa Robert E. Preston 1996-9-27 1003 San Joaquin Lawrence Livermore National Laboratory, Site 300, on east-facing roadcut along Rout 4, around 0.6 miles west of its junction with Route 3. 396 Comment
  CAS-BOT-BC100324  Blepharizonia plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6-1/2 miles west of Tracy Comment
  RSA465632  Boisduvalia cleistogama E. E. Stanford 1930-5-26 1522 San Joaquin Harney Lane Comment
  CAS-BOT-BC28212  Bolboschoenus fluviatilis LeRoy Abrams 1917-9-14 6742 San Joaquin 3 mi NW of Stockton. In sand of Calaveras River. Comment
  CAS-BOT-BC31037  Bolboschoenus maritimus Herbert L. Mason 1948-5-31 13574 San Joaquin three miles north of Ripon. Comment
  CAS-BOT-BC31039  Bolboschoenus maritimus John Thomas Howell 1930-9-28 5508 San Joaquin Subsaline hollow along Borden Highway to Stockton. Comment
  UCD140032  Bolboschoenus maritimus subsp. paludosus Herbert L. Mason 1948-5-31 13574 San Joaquin 3 miles north of Ripon. Comment
  CAS-BOT-BC95321  Bowlesia incana E. E. Stanford 1930-4-5 1228 San Joaquin Hospital Canyon Comment
  UC765840  Bowlesia incana Robert F. Hoover 1935-3-1 272 San Joaquin 5 mi sw of Ripon Comment
  UCD57014  Brachypodium distachyon Collector unknown 1953-7-16 San Joaquin San Joaquin Co. Comment
  UCR253790  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20060 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  CAS-BOT-BC30267  Brassica nigra E. E. Stanford 1928-3-13 802 San Joaquin Stockton. Comment
  CDA3640  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
  SD240938  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles nouthwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  SD243111  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2011-3-12 17070 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99 (Lodi North 7.5'Q) 27 Comment
  UCR207827  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2009-3-26 14450 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR253639  Brassica rapa George K. Helmkamp 2014-3-18 22582 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
  UCD114833  Brassica rapa E. F. Serr 1932-3-4 s.n. San Joaquin Lodi. Comment
  RSA25312  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 16 Comment
  SEINET4183114 Image available Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 Miles South of Galt. 16 Comment
  UC816100  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 mi from Galt 15 Comment
  RSA70128  Brodiaea appendiculata E. E. Stanford 1930-5-3 1467 San Joaquin Jack Tone Road. Comment
  UC552435  Brodiaea appendiculata R. F. Hoover 1936-4-30 1058 San Joaquin Farmington Comment
  UC768449  Brodiaea appendiculata R. F. Hoover 1936-4-30 1058 San Joaquin Farmington Comment
  CAS-BOT-BC482168  Brodiaea appendiculata Roxana S. Ferris 1953-5-15 12641 San Joaquin On road betw. Everett School and intersection with Bellota-Farmington road ca. 1 mi. W. of intersection Comment
  CAS-BOT-BC482169  Brodiaea appendiculata E. E. Stanford 1928-5-12 952 San Joaquin Near Peters Comment
  POM196335  Brodiaea appendiculata E. E. Stanford 1928-5-12 952 San Joaquin Near Peters. Comment
  RSA232769  Brodiaea appendiculata Lee W. Lenz 24801 San Joaquin 12 mi S Ione, Rd 88. Comment
  SEINET12049955  Brodiaea appendiculata E. E. Stanford 1930-1 1467 San Joaquin near Stockton 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
  SEINET10534052  Brodiaea hyacinthina E. E. Stanford 1928-5-12 Stanford 950 San Joaquin Near Peters. In mud-roadslides. Comment
  SEINET10533895  Brodiaea synandra E. E. Stanford 1930-5-3 Stanford 1467 San Joaquin Jacktone Road. Open fields. Comment
  CDA31583  Bromus catharticus J. F. Silva 1964-8-7 San Joaquin Escalon Dist. 0 Comment
  HSC9149  Bromus catharticus C. S. Chavez 1965-4-10 30 San Joaquin Hwy. 50 downtown Tracy Comment
  UCD58406  Bromus catharticus G. F. Hrusa; S. A. Wagner 1992-4-22 9265 San Joaquin Caswell Memorial State Park. Comment
  SEINET3292686 Image available Bromus commutatus P. O. Schallert 1945-5-20 C 274 San Joaquin Stockton Comment
  SEINET3271555 Image available Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley; junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR207828  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR242629  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15820 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
  UCD58638  Bromus hordeaceus Mrs. H. P. Kelley 1916-5-25 s.n. San Joaquin San Joaquin County. 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
  CDA18618  Cabomba caroliniana E. Finley 1999-10-3 PDR 1013547 San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Disappointment Slough; 0 Comment
  CDA21076  Cabomba caroliniana D. Griffin, J. Scheiman, D. Daniels 1988-9-28 s.n. San Joaquin Sacramento/San Joaquin river Delta 0 Comment
  CDA37684  Cabomba caroliniana R. Breckenridge/D. Kratville 2004-5-19 s.n. San Joaquin Stockton, near Paradise Point Marina, Eight Mile Road. 0 Comment
  CDA14314  Caesalpinia gilliesii J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; In the vicinity of 11th & Bird Streets in Tracy. 0 Comment
  CAS-BOT-BC438331  Calandrinia ciliata E. E. Stanford 1928-3-15 807 San Joaquin Stockton Comment
  UCD100201  Calandrinia ciliata G. F. Hrusa; S. A. Wagner 1992-3-21 9091 San Joaquin Caswell Memorial State Park; at edge of trail to west of parking area adjacent to the woodland. Comment
  CAS-BOT-BC167299  California macrophylla M. K. Bellue 1938-4-1 s.n. San Joaquin Thos. Hansen Ranch 2 miles se. of Tracy Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  POM298216  Calycadenia hispida H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles east of Farmington on road to Milton Comment
  POM298218  Calycadenia hispida D. D. Keck 1933-8-23 2511 San Joaquin 2.5 miles east of Farmington, on bank at edge of cultivated field Comment
  JEPS38569  Calycadenia multiglandulosa W. L. Jepson 1896-6-27 14866 San Joaquin lower San Joaquin, between Moss Ferry and Atlanta San Joaquin Comment
  UC196666  Calycadenia multiglandulosa E. E. Welty 1916-9-23 San Joaquin 7 mi ne of Ripon Comment
  CAS-BOT-BC270658  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton Comment
  CAS-BOT-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-BC270664  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
  UC177511  Calycadenia spicata C. C. Parry 1881-10-1 132 San Joaquin 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
  UC765777  Calyptridium monandrum R. F. Hoover 1938-4-9 3044 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  UC1191637  Calystegia sepium subsp. binghamiae Herbert L. Mason, Verne Grant 1946-8-21 13067 San Joaquin Holt Holt (in tules) Comment
  CAS-BOT-BC190899  Calystegia sepium subsp. limnophila Brian Atwater 1978-8-16 BA- 37 San Joaquin between Quinby Island and Franks Tract Comment
  CAS-BOT-BC190900  Calystegia sepium subsp. limnophila Brian Atwater 1978-8-22 BA- 52 San Joaquin between Victoria Island and Upper Jones Tract Comment
  CDA32891  Calystegia sepium subsp. limnophila P. Akers 2009-9-9 PDR# 1286188 San Joaquin At water s edge of a channel of old San Joaquin River. Approximately 8.5 miles northwest of Stockton and 3 miles east of Tinsley Island. 0 Comment
  RSA122055  Camissonia contorta R. D. Roseberry 1935-5-13 160 San Joaquin Mokelumne River, east of Clements. 61 Comment
  CDA37997  Camissoniopsis micrantha F. J. Newhall 1960-7-5 s.n. San Joaquin Lodi. 0 Comment
  CAS-BOT-BC403911  Cannabis sativa Herbert L. Mason; Verne Grant 1946-8-21 13058 San Joaquin West of Stockton on Borden Highway Comment
  UC914244  Cannabis sativa Verne and Alva Grant 1946-8-21 7849 San Joaquin between Stockton and Antioch San Joaquin Delta Comment
  CDA3671  Capsella bursa-pastoris T. C. Fuller 1962-4-2 8206 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  JEPS53288  Capsella bursa-pastoris W. L. Jepson 1922-4-2 9579 San Joaquin Corral Hollow, w San Joaquin County Corral Hollow; Mount Hamilton Range, Corral Hollow Comment
  UCR238918  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2012-2-3 18524 San Joaquin San Joaquin Valley, Escalon-Bellota Road, 0.2 mile south of its junction with CA-26, NE of Linden 39 Comment
  CAS-BOT-BC37042  Capsella bursa-pastoris E. E. Stanford 1926-9-12 13 San Joaquin Stockton. Pacific Manor. 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
  UCD77457  Cardamine hirsuta Robert E. Preston 2006-2-23 2370 San Joaquin 4 mi NE of Clements 52 Comment
  UCR232635  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 (56 deg. ) of Linden 72 Comment
  CDA3664  Cardaria chalepensis T. C. Fuller 1962-4-2 8208 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  CDA14315  Cardaria pubescens J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; Naglee Rd. in Tracy. 0 Comment
  RSA364544  Carex E. E. Stanford 1930-4-5 1253 San Joaquin Near Durham Ferry. Comment
  CAS-BOT-BC19313  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-6-7 57 San Joaquin Near Lathrop. On the San Joquin River. Comment
  UCD140167  Carex barbarae G. F. Hrusa; S. A. Wagner 1992-7-8 9151 San Joaquin Caswell Memorial State Park. Comment
  UCD140196  Carex barbarae G. F. Hrusa 1992-3-4 9100 San Joaquin Caswell Memorial State Park. 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
  CDA33035  Carex barbarae T. C. Fuller 1968-10-31 17946 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  RSA519059  Carex barbarae L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, S side of Dry Creek. Comment
  SEINET7551519 Image available Carex barbarae Wilhelm N. Suksdorf 1913-6-7 57 San Joaquin On the San Joaquin River, near Lathrop. Comment
  UC1100423  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC34939  Carex densa E. E. Stanford 1927-5-28 445 San Joaquin Near Stockton. Calaveras River bottom. Comment
  POM147797  Carex densa E. E. Stanford 1927-5-28 445 San Joaquin Calaveras River bottom, near Stockton. Comment
  UC115764  Carex praegracilis J. W. Congdon 1893-4-30 San Joaquin Lathrop Comment
  SEINET10817754  Carex praegracilis Wilhelm N. Suksdorf 1913-6-6 Suksdorf 40 San Joaquin Lathrop. Comment
  CHSC84728  Carex vulpinoidea Beth Hendrickson 2002-7-10 San Joaquin San Joaquin Valley. Old River, along the west side of Bacon Island, toward the north of the island. At base of levee. 1 Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  UCD150814  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin San Joaquin County, east of Stockton; south side of Farmington Road at junction with Hollenbeck Road, 1.3 miles east of Jack Tone Road. 21 Comment
  UCD129935  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin southside of Farmington Road, junction Hollenbeck Road, 1.3 miles east of Jacktone Road, east of Stockton. Comment
  CAS-BOT-BC281891  Carthamus lanatus T. C. Fuller 1960-5-17 4333 San Joaquin Adjacent to Ladino clover pasture, S/Highway 4, 1.4 miles E/Jacktone Rd, 8.7 mile E/Stockton Comment
  JEPS90559  Castilleja campestris subsp. campestris Dean W. Taylor 1990-4-11 10613 San Joaquin Goose Creek Central Valley (stony alluvial terraces on s boundary Section 27, (Goose Creek 7 1/2' quadrangle)) 70 Comment
  UC124320  Castilleja exserta C. F. Baker 1903-4-26 2784 San Joaquin Bethany Comment
  JEPS10398  Castilleja exserta subsp. exserta C. F. Baker 1903-4-26 San Joaquin 6.5 mi nw Tracy (Bethany, S.P. Railway station); Bethany Comment
  UC596391  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-19 2867 San Joaquin 1 mi n Corral Hollow (near Alameda County line); n of Corral Hollow Comment
  UC765076  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-4-9 3024 San Joaquin near Alameda Co. line 1 mi n Corral Hollow; n of Corral Hollow Comment
  UC855876  Caulanthus coulteri var. lemmonii Lewis S. Rose 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  CAS-BOT-BC41072  Caulanthus flavescens Mrs. A. R. Arnold 1922-4-10 s.n. San Joaquin Tracy. Comment
  CHSC67902  Caulanthus flavescens James D. Jokerst 1989-3-30 3075 San Joaquin Lawrence Livermore Laboratory, Site 300. 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
  LA51326  Caulanthus lemmonii Lewis S. Rose; 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  SEINET8727334 Image available Caulanthus lemmonii Lewis S. Rose 1938-1 38152 San Joaquin Hospital Canyon. 152 Comment
  UC1070699  Ceanothus integerrimus R. D. Roseberry 1935-5-13 157 San Joaquin Mokelumne River 60 Comment
  CAS-BOT-BC281963  Centaurea benedicta John Thomas Howell 1930-6-29 5330 San Joaquin At Nile Garden Comment
  SJSU8197  Centaurea benedicta M. E. Myers 1955-5-27 70 San Joaquin 12 mi E of Lodi 60 Comment
  UCR194725  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC284484  Centaurea solstitialis T. C. Fuller 1960-5-17 4332 San Joaquin Fencerow adjacent to Ladino clover pasture, S/Hwy 4, 1.4 mi. E/Jacktone Road, 8.7 mi. E/Stockton Comment
  CAS-BOT-BC284485  Centaurea solstitialis E. E. Stanford 1926-10-7 31 San Joaquin Calaveras river bottom, Stockton Comment
  UCD130074  Centaurea solstitialis G. F. Hrusa; S. A. Wagner 1992-7-8 9140 San Joaquin Caswell Memorial State Park. Immediately below picnic area. Comment
  JEPS46980  Centaurium muehlenbergii R. F. Hoover 1935-6-12 649 San Joaquin Farmington Comment
  CDA38371  Centaurium tenuiflorum P. S. Jorgensen 1963-6-26 s.n. San Joaquin Escalon dist. 0 Comment
  UC35447  Centaurium venustum J. A. Sanford 43 San Joaquin West Stockton Comment
  CAS-BOT-BC288652  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  UC564046  Centromadia fitchii Ira L. Wiggins 1934-6-23 6938 San Joaquin 3.2 mi e Escalon (roadside on road to Oakdale) Comment
  CAS-BOT-BC288644  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  SJSU5865  Centromadia fitchii M. E. Myers 1955-7-30 91 San Joaquin 12 miles E of Lodi 182 Comment
  CAS-BOT-BC271513  Centromadia parryi subsp. rudis H. M. Hall 1930-9-25 12889 San Joaquin One miel norht 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-BC271517  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento Comment
  CAS-BOT-BC271518  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento 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
  UC30954  Centromadia parryi subsp. rudis J. A. Sanford 10 San Joaquin w Stockton; Myer's Tract Comment
  CAS-BOT-BC279287  Centromadia pungens subsp. pungens K. Brandegee 1914-9-27 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC279289  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2583 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279290  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-BC279293  Centromadia pungens subsp. pungens John Thomas Howell 1930-9-28 5513 San Joaquin Holt Comment
  CAS-BOT-BC279298  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2575 San Joaquin N. City limits of Stockton on western road to Sacramento 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
  UC30961  Centromadia pungens subsp. pungens J. A. Sanford 1890-1 14 San Joaquin French Camp Comment
Read comments
Nov 7 2007
  UC73975  Centromadia pungens subsp. pungens J. A. Sanford 22 San Joaquin Waverly Comment
  CAS-BOT-BC279296  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12849 San Joaquin 2 miles south of Stockton on Tracy road Comment
  CAS-BOT-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-BC222953  Cephalanthus occidentalis Volney Rattan 1881-7-2 s.n. San Joaquin Mokelumne River Comment
  CAS-BOT-BC222956  Cephalanthus occidentalis E. E. Stanford 1930-8-1 1873 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC222957  Cephalanthus occidentalis Barrett Anderson 1987-10-24 3631 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC222958  Cephalanthus occidentalis John Thomas Howell 1929-9-21 4419 San Joaquin Island Road between Brentwood and Stockton, near Holt 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
  OBI3310  Cephalanthus occidentalis Neil Havlik 1969-7-27 511 San Joaquin Along the San Joaquin river where State hwy 4 crosses it W of Stockton 6 Comment
  RSA14517  Cephalanthus occidentalis L. S. Rose, John T. Howell 1933-7-19 33300 San Joaquin San Joaquin River Bridge. 3 miles from Lathrop. River Levee. 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
  UCR232268  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17080 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  UCD98049  Cerastium glomeratum G. F. Hrusa; S. A. Wagner 1992-4-22 9282 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC400161  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, south-west of Holt Comment
  POM257010  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, SW of Holt. Comment
  CDA4780  Chamaesyce nutans R. E. DeVol 1959-9-4 San Joaquin West side Pearson Road, 1/2 mile south of Armstrong Road, Lodi. 0 Comment
  JEPS91379  Chamaesyce ocellata subsp. ocellata Dean Wm. Taylor with Glenn Clifton 1991-6-10 11211 San Joaquin vernal pools along Goose Creek, on stony alluvial terraces on S boundary Section 27 70 Comment
  JEPS52344  Chamaesyce serpyllifolia W. L. Jepson 1923-10-22 10274 San Joaquin Lower San Joaquin River, Union Island Comment
  JEPS52367  Chamaesyce serpyllifolia Harriet A. Walker 1907-9-8 910 San Joaquin Lathrop Comment
  UC110085  Chamaesyce serpyllifolia T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  RSA789503  Chenopodium George K. Helmkamp, E. Helmkamp 2011-10-15 18430 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SD240974  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-15 18430 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  UCR232677  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-15 18430 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  RSA423296  Chenopodium album D. D. Keck 1931-10-18 1315 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  RSA423297  Chenopodium album E. E. Stanford 1930-5-28 1528 San Joaquin Lincoln Highway near French Camp Comment
  UCD97771  Chenopodium album G. F. Hrusa 1992-8-26 9550 San Joaquin Caswell Memorial State Park, near the western boundary. Comment
  JEPS59715  Chenopodium ambrosioides W. L. Jepson 1913-11-22 5694 San Joaquin Middle River San Joaquin Delta Comment
  UC1076555  Chenopodium ambrosioides Herbert L. Mason 1928-9-30 4963 San Joaquin near Holt; San Joaquin delta Comment
  UC73897  Chenopodium ambrosioides J. Burtt Davy 1893-11-13 1201 San Joaquin Stockton Comment
  UCR63940  Chenopodium ambrosioides L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  RSA64756  Chenopodium ambrosioides var. ambrosioides E. E. Stanford, F. W. Peirson 1930-10-24 9995 San Joaquin Stockton. Comment
  POM146135  Chenopodium ambrosioides var. ambrosioides E. E. Stanford 1926-10-28 89 San Joaquin Near Stockton Comment
  RSA478466  Chenopodium botrys R. Reynolds 1927-9-27 39 San Joaquin Stockton Comment
  UC14077  Chenopodium californicum Benj. Cobb San Joaquin Tracy Comment
  RSA478571  Chenopodium leptophyllum var. leptophyllum E. E. Stanford 1930-08 1865 San Joaquin Lincoln Hwy near Paradise Cut. Comment
  UC452639  Chenopodium pumilio Harriet A. Walker 1907-9-8 919 San Joaquin Lathrop Comment
  CDA1898  Chloris virgata A. Bugbee 1968-8-15 San Joaquin H. Mohler property Monsieur & Curtice Roads, Ripon. 0 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
  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-BC280114  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  CAS-BOT-BC280115  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  UC28903  Citrullus colocynthis var. lanatus F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CDA6710  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  UCD13374  Citrullus lanatus var. citroides Rod Vargo 1996-10-10 s.n. San Joaquin San Joaquin Co., Victoria Island between Stockton and Brentwood. Comment
  UCD13186  Citrus sinensis A. Dalla 1976-4-10 5 San Joaquin California. San Joaquin Co. Near Stockton. Hildreth Rw, 1/4 mi S. of Ashley Lane. Comment
  UC762211  Clarkia affinis R. F. Hoover 1938-5-7 3356 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  UC762178  Clarkia purpurea R. F. Hoover 1937-5-18 2183 San Joaquin near Lathrop Comment
  CDA19468  Clarkia purpurea subsp. quadrivulnera M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 206 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  CAS-BOT-BC165272  Clarkia speciosa subsp. nitens Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC165403  Clarkia tembloriensis Mrs. A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow near Tracy Comment
  RSA0059953  Clarkia tembloriensis subsp. tembloriensis Robert F. Hoover 1938-5-7 3358 San Joaquin 1 mile N of Corral Hollow near Alameda County line Comment
  CAS-BOT-BC165431  Clarkia unguiculata Gladys L. Smith 1959-5-1 1041 San Joaquin Open field near Wallace Comment
  UC1745775  Claytonia Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 786 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. 167 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-BC440048  Claytonia perfoliata subsp. perfoliata E. E. Stanford 1928-3-2 785 San Joaquin Stockton Comment
  CAS-BOT-BC440051  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-3-26 10888 San Joaquin Corral Hollow Comment
  JEPS43242  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1922-4-2 9559 San Joaquin lower part Corral Hollow Mt. (w San Joaquin County); Hamilton Range 152 Comment
  UC7906  Claytonia perfoliata subsp. perfoliata J. A. Sanford 1890-1 93 San Joaquin French Camp Comment
  POM355818  Cnicus benedictus E. E. Stanford 1930-4-12 1311 San Joaquin Manteca Comment
  UC625464  Collinsia heterophylla Frank W. Gould 1938-4-10 156 San Joaquin in vicinity of Castle Rock (Mount Hamilton Range, Corral Hollow); Mount Hamilton Range, Corral Hollow 182 Comment
  POM196282  Collinsia sparsiflora E. E. Stanford 1928-3-20 822 San Joaquin Near Peters. 30 Comment
  SEINET2444418  Collomia diversifolia Virginia Alexson 1964-6-19 32 San Joaquin Along road side near fruit orchard, N of Stockton, Ca. Comment
Read comments
Jul 19 2018
  CDA19466  Conium maculatum M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 203 San Joaquin Sacramento Valley; Coyote Creek. Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  UCD127296  Conium maculatum G. F. Hrusa; S. A. Wagner 1992-4-24 9293 San Joaquin Caswell Memorial State Park. Comment
  UC23128  Convolvulus arvensis J. A. Sanford 1890-1 334 San Joaquin Stockton Comment
  UCR253496  Convolvulus arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20080 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  SEINET3828367  Conyza canadensis George K. Helmcamp, E. A. Helmkamp 2011-1 18475 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
  UC26338  Cordylanthus pilosus J. A. Sanford 1890-1 428 San Joaquin Comment
  RSA170312  Coreopsis atkinsoniana T. C. Fuller 1963-7-26 11064 San Joaquin Between fence and roadside ditch, east side of road to Bellota, 1 mile N of Escalon 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-BC287165  Coreopsis stillmanii Volney Rattan 1877-3-11 s.n. San Joaquin Live Oaks Comment
  UC1443483  Coreopsis tinctoria Strother 1977-7-19 1279 San Joaquin Route J9 ca. 2 mi n Escalon (1/3 mi e of route J6, in roadside ditch) Comment
  UCR182953  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 s.n. San Joaquin 2 miles NE of Escalon Comment
  CDA7459  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles northeast of Escalon. 0 Comment
  UCD131021  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin east side of road to Bellota, 1 mile north of Escalon. Comment
  CAS-BOT-BC210342  Cornus sericea E. E. Stanford 1930-8-1 1875 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC210344  Cornus sericea Brian Atwater 1978-8-18 BA- 24 San Joaquin Inside a meander of Old River; between Quinbey Island and Franks 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
  CDA20815  Coronopus didymus S. Boone 2006-3-2 PDR 1344642 San Joaquin San Joaquin Valley; Austin Rd at Melton Rd, Ripon. 0 Comment
  UC61018  Cotula coronopifolia N. K. Berg 1903-11-28 San Joaquin Stockton, Rough and Ready Island Comment
  CAS-BOT-BC427688  Crassula connata E. E. Stanford 1928-4-7 844 San Joaquin Stockton Comment
  UC11284  Crassula connata var. eremica J. A. Sanford 1890-1 102 San Joaquin French Camp 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
  JEPS77908  Cressa truxillensis Edward Lee 1934-7-4 959 San Joaquin Holt Comment
  POM225536  Cressa truxillensis J. T. Howell 1932-9-2 10791 San Joaquin Holt. Comment
  UC1745568  Cressa truxillensis Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 680 San Joaquin Holt. Comment
  CDA39029  Croton setiger D. G. Kelch 2011-10-4 11 .833 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UCR201896  Croton setiger George K. Helmkamp, E. A. Helmkamp 2008-10-9 14237 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
  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
  CAS-BOT-BC190196  Crypsis vaginiflora C. V. Piper 1921-5-26 s.n. San Joaquin About Stockton. Comment
  CAS-BOT-BC190197  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  CAS-BOT-BC190198  Crypsis vaginiflora L. R. Abrams 1917-9-14 6732 San Joaquin 3 miles northwest of Stockton. Calaveras River. Comment
  JEPS68484  Crypsis vaginiflora W. L. Jepson 1923-10-22 10280 San Joaquin San Joaquin Ci<ty?> Comment
  SEINET201028 Image available Crypsis vaginiflora J. P. Tracy 5790 San Joaquin Farmington Comment
  UCD37242  Crypsis vaginiflora Beecher Crampton 1958-7-22 5019 San Joaquin San Joaquin County, 9 miles south of Clements, Frazier Road, 1 mile east of Clements Road to Farmington. Comment
  UCD38676  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  UCD59959  Crypsis vaginiflora Katharine Brandegee 1907-10-2 s. n. San Joaquin Stockton and French Camp. Comment
  UCD60002  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  UCR132238  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin Central Valley, 4.5 miles north of Farmington 30 Comment
  JEPS104878  Cryptantha flaccida Dean W. Taylor 1995-4-13 14816 San Joaquin Hospital Canyon 320 Comment
  UC571895  Cryptantha flaccida C. W. and H. K. Sharsmith 1935-3-3 1484 San Joaquin e end Corral Hollow; Mt. Hamilton Range 228 Comment
  UC762464  Cryptantha flaccida R. F. Hoover 1937-4-3 1743 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  RSA22133  Cryptantha microstachys J. T. Howell 1938-4-10 13765 San Joaquin Hospital Canyon. Comment
  JEPS67771  Cryptantha nevadensis R. F. Hoover 1938-4-9 3041 San Joaquin between Castle Rock and Black Butte; Corral Hollow Comment
  UC857216  Cryptantha nevadensis John Thomas Howell 1938-4-10 13765 San Joaquin Hospital Canyon Comment
  RSA128431  Cryptantha nevadensis var. rigida Robert F. Hoover 1938-4-9 3026 San Joaquin One mile north of Corral Hollow near Alameda County line. Comment
  CHSC33087  Cucurbita foetidissima Robert A. Schlising; Et al. 1962-10-6 2421 San Joaquin Ca. 0.25 mi S of willage of San Joaquin City on Hwy J3. Comment
  UC764802  Cucurbita foetidissima R. F. Hoover 1934-10-21 80 San Joaquin near Escalon Comment
  JEPS33286  Cuscuta californica Rimo Bacigalupi, and L. Constance 1962-8-13 8724 San Joaquin just s Lathrop (along Southern Pacific Railway) 5 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
  UCD126258  Cuscuta californica Ron Kukas 1973-6-14 s.n. San Joaquin on State Highway 99, ca. 4 miles north of Manteca, south of French Camp Road. 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
  CDA38735  Cuscuta campestris Franz Kegel 1974-6-19 s.n. San Joaquin Robert s Island. 0 Comment
  CDA39956  Cuscuta campestris H. G. Wolf 1961-7-27 s.n. San Joaquin Southeast corner of Inland Drive and Stark Road. 0 Comment
  UCD54417  Cuscuta campestris Mick Canevari 1986-1 s.n. San Joaquin Roberts Island area. Comment
  UCD54472  Cuscuta campestris Franz R. Kegel 1974-6-19 s.n. San Joaquin Roberts Island. Comment
  RSA135396  Cuscuta ceanothi Volney Rattan 1881-09 s.n. San Joaquin Mokelumne River. Comment
  CDA20724  Cuscuta indecora J. Allan 2006-7-5 PDR 1344893 San Joaquin Medical Arts Building, 6529 Inglewood Ave., Stockton. 0 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
  UCD126307  Cuscuta indecora var. indecora Floyd O. Colbert 1985-8-21 D 3 San Joaquin Tracy. Comment
  UCD54415  Cuscuta indecora var. indecora Mick Canevari 1986-9-1 s.n. San Joaquin Tracy. Comment
  UCD125818  Cuscuta indecora var. indecora Ron Kukas 1973-7-25 s.n. San Joaquin Along State Hwy 33, ca. 2 miles northwest of junction with State Hwy 32 and ca. 18 miles west of Modesto. Comment
  UCD54449  Cuscuta indecora var. indecora Ron Kukas 1973-7-25 s.n. San Joaquin Along State Hwy 33, ca. 2 miles northwest of junction with State Hwy 32 and ca. 18 miles west of Modesto. Comment
  UCD126359  Cuscuta occidentalis Ron Kukas 1973-6-14 s.n. San Joaquin on State Highway 99, south of French Camp Road, in 50 acre tomato field. Comment
  CDA15557  Cuscuta subinclusa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin San Joaquin Valley; Caswell Memorial State Park. W terminus of Fence Line Trail. Comment
  UC23248  Cuscuta subinclusa F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CLARK-A1528-1046  Cycloloma atriplicifolium John C. Roos 1938-9-5 1532 San Joaquin Manteca Comment
  POM265705  Cycloloma atriplicifolium A. R. Roos 1938-9-5 1532 San Joaquin Manteca, San Joaquin Valley. Comment
Read comments
Dec 1 2010
  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
  UCR123622  Cyperus Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  UCD141112  Cyperus bipartitus Clyde Elmore 1968-9-18 s.n. San Joaquin Stockton Golf and Country Club, Stockton. Comment
  CAS-BOT-BC114448  Cyperus eragrostis Herbert L. Mason; Verne Grant 1946-8-21 13056 San Joaquin Between Banta and Stockton Comment
  CAS-BOT-BC114449  Cyperus eragrostis N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Rendy Id. Stockton Comment
  CAS-BOT-BC114450  Cyperus eragrostis LeRoy Abrams 1915-7-27 5320 San Joaquin San Joaquin Valley near Volta Comment
  UCR232684  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18442 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  CAS-BOT-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-BC114447  Cyperus eragrostis Ernest Elwood Stanford 1927-5-26 432 San Joaquin Stockton. In sand in Calaveras River bottom Comment
  SEINET7581660 Image available Cyperus eragrostis R. Reynolds 1927-9-27 36 San Joaquin Stockton. Comment
  UCD141046  Cyperus erythrorhizos G. F. Hrusa; S. A. Wagner 1992-8-9 9325 San Joaquin Caswell Memorial State Park. Comment
  RSA523856  Cyperus erythrorhizos W. L. Jepson 1923-10-22 10295 San Joaquin Pike Ranch, north of Grayson, San Joaquin River Comment
  CAS-BOT-BC114287  Cyperus esculentus LeRoy Abrams 1917-9-14 6730 San Joaquin 3 mi NW of Stockton. In sand, Calaveras River. Comment
  CDA20619  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. 1 Comment
  CDA2588  Cyperus esculentus M. Huffaker 1968-8-19 San Joaquin Tracy district. 0 Comment
  CHSC96357  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. Comment
  UCD54529  Cyperus esculentus Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2710 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  CDA400  Cyperus esculentus P. B. Kennedy Dec 1920 San Joaquin Rindge Land Co, field one mile from Holt. 0 Comment
  RSA92353  Cyperus esculentus Beecher Crampton 1954-10-19 2290 San Joaquin 0.5 mile north of Thronton 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
  UCD37495  Cyperus squarrosus Beecher Crampton 1960-8-9 5770 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-BC114044  Cyperus squarrosus LeRoy Abrams 1917-9-14 6736 San Joaquin 3 mi. NW of Stockton in sand. Comment
  UCD141105  Cyperus squarrosus G. F. Hrusa; S. A. Wagner 1992-7-8 9173 San Joaquin Caswell Memorial State Park. East part of park, north side of river. Comment
  SEINET3155119  Cypselea humifusa T. S. Brandegee 1892-5-9 sn San Joaquin San Joaquin Bridge near Lathrop Comment
  UC7683  Cypselea humifusa unknown 1887-8-26 San Joaquin near Lathrop (San Joaquin River); San Joaquin River Comment
  UCD37494  Cypselea humifusa Beecher Crampton 1960-8-9 5767 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-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
  UCD96973  Cypselea humifusa Rimo Bacigalupi; L. Constance 1962-8-13 8713 San Joaquin San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of site of San Joaquin City. Comment
  CAS-BOT-BC70548  Cystopteris fragilis Genevieve Prlain 1976-5-2 s.n. San Joaquin north-facing bluff, county park on Mokelumne River below Camanche Dam 27 Comment
  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
  UCR62330  Damasonium californicum L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  SEINET7042493  Damasonium californicum A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  UCD61018  Danthonia californica var. americana Katharine Brandegee 1889-7-7 San Joaquin Tracy Comment
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Aug 23 2008
  UC26116  Datura ferox H. P. Fitch 1890-1 119 San Joaquin Stockton Comment
  UCD126524  Datura stramonium G. F. Hrusa; S. A. Wagner 1992-8-9 9369 San Joaquin Caswell Memorial State Park. Comment
  JEPS12299  Datura wrightii W. L. Jepson 1919-6-21 8335 San Joaquin near Mossdale School (San Joaquin River); San Joaquin River 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
  CAS-BOT-BC299938  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299939  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299942  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299945  Deinandra kelloggii M. K. Curran 1885-5-30 s.n. San Joaquin San Joaquin Comment
  UC618416  Delphinium californicum subsp. interius Alice Eastwood and John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33204  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
  UC765769  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mi e Midway Comment
  LA207495  Delphinium hesperium subsp. pallescens Lewis; Epling 1946-5-6 608 San Joaquin Tesla- Corral Hollow Rd., 17.1 mi. W of junction W; U.S. 50 near Tracy Comment
  UC1713217  Delphinium hesperium subsp. pallescens Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  CAS-BOT-BC116441  Delphinium patens subsp. patens A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow, Tracy Comment
  UC9226  Delphinium recurvatum J. A. Sanford 1890-1 90 San Joaquin Stockton Comment
  RSA400062  Delphinium variegatum E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. 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
  UC1131436  Deschampsia danthonioides R. D. Roseberry 1935-5-14 172 San Joaquin 1 mi. w. Bald Mt. (Plot #122); Jackson Quad. 106 Comment
  UC1131458  Deschampsia danthonioides C. M. Belshaw 1936-4-23 1966 San Joaquin 7 mi. s.-s.w. Stone Corral (Plot 20); Jackson Quad. 121 Comment
  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
  UC3237  Dichelostemma capitatum J. A. Sanford 1890-1 409 San Joaquin Waverly Comment
  UC765917  Dichelostemma capitatum R. F. Hoover 1935-3-1 274 San Joaquin Vernalis Comment
  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
  UCD139240  Dichelostemma capitatum Craig P. Martz 1982-3-10 20 San Joaquin North side of State route 88, 0.5 mile south of San Joaquin county line. 82 Comment
  HSC3076  Dichelostemma capitatum subsp. capitatum D. A. Shally 1965-4-10 6 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  UCD96913  Dichelostemma capitatum subsp. capitatum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6951 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
  JEPS61804  Dichelostemma multiflorum W. L. Jepson 1922-4-2 9572 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  UC486499  Digitalis purpurea Dr. P. van der Leek 1932-5-1 San Joaquin Stockton Comment
  CAS-BOT-BC209017  Digitaria sanguinalis E. E. Stanford 1926-10-22 75 San Joaquin Stockton 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
  UCR253497  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 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
  CAS-BOT-BC151962  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks 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
  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
  UC73788  Distichlis spicata Mr. Sanford San Joaquin Stockton Comment
  UCD64484  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  UCD64485  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  CHSC97894  Dittrichia graveolens G. F. Hrusa; P. Akers 2003-10-10 16137 San Joaquin Roadside, Kasson Rd., =/- 1/4 mil E of intersection with Durham Ferry Rd. 22 Comment
  SEINET3821917 Image available Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-21 18473 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.4 mile west of its junction with CA-88, 1.7 mi NE (18 degrees) of Clements (Clements 7.5' Q) 37 Comment
  UCD78107  Dittrichia graveolens Robert E. Preston 2001-9-29 1776 San Joaquin Ca. 3.8 mi sw of Vernalis, at jct I-5 and I-580, along shoulder 158 Comment
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Aug 15 2010
  UCR232601  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253800  Dittrichia graveolens George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20062 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  SEINET7076108  Dodecatheon clevelandii subsp. patulum A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC22403  Dodecatheon clevelandii subsp. patulum J. A. Sanford 1890-1 61 San Joaquin W Stockton Comment
  UC673356  Dodecatheon clevelandii subsp. patulum H. L. Mason 1927-4-7 5201 San Joaquin 4 mi e Clements; e of Clements Comment
  UCR132387  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  SEINET7072951  Downingia bella A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at the junction with Route 26. UTM Zone 10, 675884mE, 4214998mN. Coordinate datum: NAD27.). Comment
  JEPS108479  Downingia bicornuta Lisa Schultheis 1996-5-10 299 -96 San Joaquin W of Warnerville, where Warnerville Rd. crosses the train tracks, 2.5 mi E of Emery Road. Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  JEPS12801  Downingia bicornuta var. picta Rimo Bacigalupi with G. T. Robbins 1955-5-5 5003 San Joaquin 1.5 mi s Peters (along road to Farmington, near Peters Dump) 33 Comment
  UC903255  Downingia bicornuta var. picta Ethel Crum 1932-5-1 1421 San Joaquin 2 mi ne Lockeford Comment
  JEPS108477  Downingia bicornuta var. picta Lisa Schultheis 1995-5-24 178 -95 San Joaquin SE of Lockeford. NE corner of Jordy and Kettleman Rds. Comment
  POM146100  Downingia bicornuta var. picta E. E. Stanford 1927-4-23 188 San Joaquin Near Stockton. 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
  HSC3846  Downingia elegans Reo Jensen Apr 1951 San Joaquin Stockton Airport. Comment
  JEPS14466  Downingia insignis J. A. Sanford c. 1890 San Joaquin Stockton Comment
  JEPS5034  Downingia insignis Rimo Bacigalupi and Alex D. Hawkes 1951-4-21 3256 San Joaquin just e Stockton's city limits (along State Highway 4) Comment
  UC596492  Downingia insignis R. F. Hoover 1937-5-18 2185 San Joaquin French Camp Comment
  UC765621  Downingia insignis R. F. Hoover 1937-5-6 2078 San Joaquin 5 mi se Stockton Comment
  UCD55045  Downingia insignis F. Chisaki; S. G. Smith and Peter M. Ray 1951-4-14 1981 San Joaquin Highway #4; ca. 3 miles east of Stockton. 7 Comment
  POM312382  Downingia insignis Francia Chisaki, S. Galen Smith, Peter M. Ray 1951-4-14 1981 San Joaquin Hwy 4, ca 3 miles E of Stockton. 8 Comment
  UCSB9180  Downingia insignis Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Just east of Stockton's city limits, next to the back yard of a dwelling, along State Highway No. 4 Comment
  UCR51749  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters Comment
  POM195907  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters. Comment
  UC765628  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
  JEPS18338  Downingia ornatissima var. ornatissima C. M. Belshaw 1936-4-23 1965 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 60 Comment
  UC1192046  Downingia ornatissima var. ornatissima F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1982 San Joaquin about 3 mi e Stockton (Highway 4) 7 Comment
  UC765629  Downingia ornatissima var. ornatissima R. F. Hoover 1936-4-30 1054 San Joaquin Farmington Comment
  JEPS108492  Downingia ornatissima var. ornatissima Lisa Schultheis 1996-5-10 300 -96 San Joaquin W of Warnerville, where Warnerville Rd. crosses the train tracks, 2.5 mi E of Emery Road. Comment
  UC28988  Downingia pulchella J. A. Sanford 1890-1 155 San Joaquin French Camp Comment
  UC766252  Downingia pulchella R. F. Hoover 1940-4-27 4365 San Joaquin near San Joaquin City (River Road) Comment
  UCD54532  Dysphania ambrosioides Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2713 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
  UCR253492  Dysphania ambrosioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20071 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCD98648  Dysphania ambrosioides G. F. Hrusa; S. A. Wagner 1992-8-9 9329 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC291094  Eastwoodia elegans H. M. Hall; F. M. Essig 1916-6-1 10141 San Joaquin Corral Hollow, on the easterly slope of the Mt. Diablo range of southwestern San Joaquin County 120 Comment
  JEPS22861  Eastwoodia elegans Alice Eastwood and John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon Comment
  RSA766954  Eastwoodia elegans Alice Eastwood, John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon. Comment
  UC198968  Eastwoodia elegans H. M. Hall and F. M. Essig 1916-6-1 10141 San Joaquin Corral Hollow Mt. Diablo 120 Comment
  SEINET7878122 Image available Eastwoodia elegans Unknown 1938-1 5791 San Joaquin Hospital Canyon 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
  UCR201932  Echinochloa colona George 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, NE of Lodi 35 Comment
  UCD60859  Echinochloa crus-galli W. W. Mackie 1919-10-24 X- 3324 San Joaquin Stockton. Comment
  UCD60861  Echinochloa crus-galli P. B. Kennedy 1928-9-30 San Joaquin Delta region, near Holt. Comment
  UCR123380  Echinochloa crus-galli Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  UCD32937  Echinochloa crus-pavonis Beecher Crampton 1965-7-12 7457 c San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCD60950  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, Delta region. Comment
  UC912246  Eclipta prostrata Herbert L. Mason 1928-9-30 4966 San Joaquin near Holt; San Joaquin Delta Comment
  UC1023868  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along e side of Old River Channel near junction with False River; Old River Channel Comment
  CAS-BOT-BC445825  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, southwest of Holt Comment
  CAS-BOT-BC451502  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin Along E side of Old River Channel near junction with False River 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
  SEINET10501601  Egeria densa Herbert L. Mason 1938-8-26 Mason 12075 San Joaquin Trapper Slough, Robert's Island, SW of Holt. Comment
  UC1100981  Eichhornia crassipes Herbert L. Mason, Verne Grant 1946-8-21 13063 San Joaquin w of Stockton (on Borden Highway); Borden Highway Comment
  CDA2660  Eichhornia crassipes W. S. Ball Oct 1946 San Joaquin Stockton Delta. 0 Comment
  POM312838  Eichhornia crassipes H. L. Mason, Verne Grant 1946-8-21 13063 San Joaquin West of Stockton on Borden Hwy; Marsh Plant Survey. Comment
  UCSB27348  Eichhornia crassipes Havlik, Neil 1969-7-27 San Joaquin Trapper Slough, about nine miles west of Stockton 6 Comment
  UC1101553  Elatine brachysperma Herbert L. Mason 1930-4-1 5550 a San Joaquin 10 mi e Stockton Comment
  UCD110444  Elatine brachysperma Herbert L. Mason 1930-4-1 5550 a San Joaquin Ten miles east of Stockton. Comment
  JEPS19435  Eleocharis acicularis K. Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  UC173119  Eleocharis acicularis Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge 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
  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
  POM146164  Eleocharis palustris E. E. Stanford 1927-5-26 434 San Joaquin Stockton, Calaveras River bottom. 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
  CAS-BOT-BC197329  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 m. s. of Lodi Comment
  CDA2029  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along north bank of Coyote Creek, northeast of Collier Road & Linn Road, ca. 2.5 miles north of Clements. 0 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
  JEPS110500  Eleusine tristachya Robert E. Preston 2004-11-16 2304 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 Comment
  RSA190720  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin hay storage yard at Lockeford, , along n. bank of Coyote Creek, n.e. of Colliner Rd. & Linn Rd., ca. 2.5 mi. n. of Clements 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
  UCD61233  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 mile S of Lodi. 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
  RSA262520  Eleusine tristachya R. Baskett 1970-10-1 s.n. San Joaquin south side of Kingdon Road, 1/2 mile east of Thornton Road, 5 miles southwest of Lodi 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
  UC652640  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
  UCD62556  Elymus repens G. F. Hrusa; S. A. Wagner 1992-4-22 9266 San Joaquin Small colony in opening immediately E of the group camp showers. Caswell Memorial State Park. 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
  CDA2049  Elytrigia repens J. B. Gianelli 1958-6-26 609 -58 San Joaquin Lodi. 0 Comment
  JEPS1585  Emmenanthe penduliflora A. R. Arnold 1922-4-30 San Joaquin Corral Hollow, Inner South Coast Ranges Comment
  RSA478368  Endolepis covillei E. E. Stanford 1930-08 1863 San Joaquin Lincoln Hwy, near French Camp. 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
  OBI43823  Epilobium brachycarpum A. C. Sanders 1986-9-12 6918 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
  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
  UCR201926  Epilobium brachycarpum George 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, NE of Lodi 35 Comment
  UCR253799  Epilobium brachycarpum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20063 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCR45225  Epilobium brachycarpum A. C. Sanders 1986-9-12 6918 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  UC762968  Epilobium campestre Robert F. Hoover 1935-6-12 646 San Joaquin Dry beds of vernal pools San Joaquin Valley, Farmington Comment
  UCD105627  Epilobium ciliatum G. F. Hrusa 1992-8-26 9563 San Joaquin Caswell Memorial State Park. OxBow Lake. Comment
  UC125523  Epilobium ciliatum subsp. ciliatum Katharine Brandegee Sept. 1907 San Joaquin near Lathrop; San Joaquin River Comment
  UC1602807  Epilobium ciliatum subsp. ciliatum J. W. Congdon 1903-8-4 San Joaquin Middle River Comment
  UCD105786  Epilobium ciliatum subsp. ciliatum G. F. Hrusa; S. A. Wagner 1992-7-8 9148 San Joaquin Caswell Memorial State Park. Comment
  UC764919  Epilobium torreyi R. F. Hoover 1935-6-12 651 San Joaquin Farmington Comment
  UCD135270  Equisetum arvense G. F. Hrusa; S. A. Wagner 1992-4-22 9288 San Joaquin Caswell Memorial State Park. Comment
  POM196328  Equisetum laevigatum E. E. Stanford 1928-5-16 1011 San Joaquin Stockton, Calaveras River bottom 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
  UC1116689  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin Durham Ferry Road ca 3 mi ne Vernalis (crossing of the San Jaoquin River); San Joaquin River Comment
  UC173120  Eragrostis hypnoides Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UCD37493  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin San Joaquin County, 3 miles northeast of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  SEINET11695748  Eragrostis hypnoides Unknown 1960-8-9 5765 San Joaquin 3 mi NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Rd with San Juaquin R Comment
  POM352245  Eragrostis mexicana subsp. virescens Flossie Draper 1927-9-27 26 San Joaquin near campus Comment
  UC769861  Eragrostis mexicana subsp. virescens R. F. Hoover 1937-6-9 2394 San Joaquin 5 mi se Stockton Comment
  UCD63815  Eragrostis mexicana subsp. virescens Beecher Crampton 1962-8-28 6665 San Joaquin 7.4 miles south of Thornton, Thornton Road. Comment
  UCD64498  Eragrostis pectinacea Fleming 1934-1 s.n. San Joaquin near Oakdale. Comment
  UCD55325  Eragrostis pectinacea var. miserrima Ellen Dean; Dawn Cunningham 2006-6-26 3167 San Joaquin City of Manteca. South side of Hwy 120, on west side of McKinley Ave. CalTrans right of way. Comment
  UCD64320  Eragrostis pectinacea var. pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  CAS-BOT-BC278521  Eragrostis secundiflora E. E. Stanford 1927-3-29 131 San Joaquin Stockton Comment
  SEINET10558920  Eragrostis tephrosanthos Charles L. Hitchcock 1935-9-14 Hitchcock 2830 San Joaquin 3 miles S of Galt. Comment
  CAS-BOT-BC203326  Eremalche parryi Alice Eastwood; John Thomas Howell 1935-4-7 2099 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC203327  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
  UC763043  Eremalche parryi R. F. Hoover 1935-4-21 551 San Joaquin Corral Hollow Comment
  CAS-BOT-BC203328  Eremalche parryi Robert F. Hoover 1938-5-7 3354 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  RSA18396  Eremocarpus setiger C. B. Wolf 1927-6-23 510 San Joaquin 3 miles W of Manteca. Comment
  UC17614  Eremocarpus setiger J. A. Sanford 240 San Joaquin Robert's Island San Joaquin Valley Comment
  UC17615  Eremocarpus setiger H. P. Fitch San Joaquin Stockton Comment
  RSA616129  Ericameria L. C. Wheeler 1952-9-29 6992 San Joaquin Ladd Mine: San Joaquin 5. Comment
  JEPS18265  Ericameria linearifolia Peter H. Raven with Ornduff, Woodcox, and R. and A. Alava 1957-3-30 10564 San Joaquin Corral Hollow Comment
  UCD131711  Erigeron bonariensis G. F. Hrusa 1992-8-26 9531 San Joaquin Caswell Memorial State Park. Near Oxbow Lake. Comment
  UCD131757  Erigeron canadensis A. S. Crafts 1926-7-24 505 San Joaquin between Manteca and Merced. Comment
  POM196262  Erigeron philadelphicus E. E. Stanford 1928-5-16 1012 San Joaquin Stockton, Calaveras River bottom Comment
  UCD131463  Erigeron philadelphicus var. philadelphicus G. F. Hrusa; S. A. Wagner 1992-4-22 9304 San Joaquin Caswell Memorial State Park. Comment
  UCD73466  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD73468  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD73469  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD65697  Eriochloa acuminata Robert E. Preston 2004-8-27 2289 San Joaquin 7.4 mi E of Galt, along Elliot Rd. 27 Comment
  UCD17862  Eriochloa acuminata var. acuminata Glen Holstein 2000-11-1 s.n. San Joaquin Western Tracy, edge of parking lot. Comment
  CDA32129  Eriochloa acuminata var. acuminata J. B. Gianelli 1989-6-15 San Joaquin Stockton; in 40 acre field of corn. 0 Comment
  UCD65736  Eriochloa contracta Robert Norris 1970-7-1 San Joaquin San Joaquin County. 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
  UC101522  Eriogonum angulosum Katharine Brandegee 1907-10-2 San Joaquin along railroad track near Stockton Comment
  CAS-BOT-BC250038  Eriogonum fasciculatum var. polifolium E. E. Stanford 1930-4-19 1413 San Joaquin Corral Hollow Road Comment
  RSA605651  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1952-9-29 6993 San Joaquin Ladd Mine: San Joaquin 5. Comment
  JEPS56941  Eriogonum gracile F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  CAS-BOT-BC259462  Eriogonum luteolum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC259464  Eriogonum luteolum Volney Rattan No date on label s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC259465  Eriogonum luteolum V. Rattan 1880-10-23 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  UC2046133  Eriogonum nudum var. nudum Neal Kramer 2015-8-12 2151 San Joaquin power line access road approx. 1/3 mile SW of Corral Hollow Road Comment
  CAS-BOT-BC269737  Eriogonum nudum var. oblongifolium Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  RSA135316  Eriogonum nudum var. oblongifolium Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  UC596264  Eriogonum roseum R. F. Hoover 1934-10-21 49 San Joaquin Stanislaus River bottom near Escalon; Stanislaus River Comment
  UCD100880  Eriogonum roseum Beecher Crampton 1960-8-9 5775 San Joaquin 7.5 miles west of Ripon, along Durham Ferry Road. 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
  POM146119  Erodium brachycarpum E. E. Stanford 1927-3-17 111 San Joaquin Near Stockton. Comment
  UC1130285  Erodium cicutarium R. D. Roseberry 1935-5-13 161 San Joaquin Mokelumne River Jackson Quad. 60 Comment
  UC17081  Erodium cicutarium J. A. Sanford 1890-1 112 San Joaquin Waverly Comment
  UC17082  Erodium cicutarium H. P. Fitch 1883-1 131 San Joaquin Stockton Comment
  CDA55  Erodium macrophyllum A. R. Tugel 1938-1 s.n. San Joaquin Tracy. 0 Comment
  UC17069  Erodium macrophyllum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  CDA56  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Near Tracy, in nursery. 0 Comment
  POM196271  Erodium moschatum C. R. Quick 1929-2-3 s.n. San Joaquin Campus, Stockton. Comment
  UC17109  Erodium moschatum J. A. Sanford 1890-1 365 San Joaquin Waverly Comment
  UCR194723  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13088 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 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
  UC1122953  Eryngium castrense R. D. Roseberry 1935-5-16 180 San Joaquin 4 mi. n.w. Milton (Plot No. 133); Jackson Quad. 121 Comment
  UC1487255  Eryngium castrense Yusuf Sheikh 1972-5-25 533 San Joaquin on Funk Rd. 0.7 mi. w. Waverly Comment
  UC764151  Eryngium castrense R. F. Hoover 1937-6-9 2393 San Joaquin 5 mi. e. Stockton Comment
  UCD77714  Eryngium castrense Robert E. Preston 2004-7-9 2270 San Joaquin Ca. 7.7 mi E of Lockeford. 85 Comment
  RSA290416  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin Ca. 0.3 mile west of Stanislaus County line on Funk Road, San Joaquin Valley Comment
  UC1487256  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin 0.3 mi. w. of Stanislaus Co. line on Funk Rd. Comment
  CAS-BOT-BC211107  Eryngium pinnatisectum Gladys L. Smith 1959-5-1 1039 San Joaquin Eastern edge of Wallace 60 Comment
  JEPS15867  Eryngium racemosum F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  JEPS15975  Eryngium racemosum Robert F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon Comment
  UC106366  Eryngium racemosum T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  JEPS2587 Image available Eryngium vaseyi W. L. Jepson 1896-6-27 14278 San Joaquin Escalon San Joaquin Valley; Escalon, San Joaquin Valley, San Joaquin Co. Comment
  UC1368182  Eryngium vaseyi L. Constance, H. Meusel and W. J. Ferlatte 1969-9-20 3879 San Joaquin 1 mi. s.e. of San Joaquin City marker San Joaquin City Comment
  UC32460  Eryngium vaseyi F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  SEINET9112149  Eryngium vaseyi Unknown C- 1112 San Joaquin San Joaquin City marker Comment
  UCD77701  Eryngium vaseyi var. vallicola Robert E. Preston 2000-7-31 1424 San Joaquin 3.2 mi e of Farmington, along Hwy 4, 40 Comment
  CAS-BOT-BC54448  Erysimum capitatum H. L. Mason 1932-3-19 6820 San Joaquin Two miles east of Midway between Mountain House and Tracy. Comment
  UC762923  Erysimum capitatum R. F. Hoover 1938-4-10 3062 San Joaquin 1 mi e Midway Comment
  CAS-BOT-BC403523  Eschscholzia californica Brandegee 1889-5-1 O San Joaquin Tracy Comment
  CAS-BOT-BC403527  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  UC144804  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  UC765987  Eschscholzia californica R. F. Hoover 1937-4-3 1738 San Joaquin Corral Hollow; lower end Comment
  CAS-BOT-BC403528  Eschscholzia californica A. A. Heller 1906-4-14 8177 San Joaquin Tracy 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
  RSA22047  Eschscholzia californica var. peninsularis J. T. Howell 1938-4-10 13759 San Joaquin Hospital Canyon 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
  RSA135434  Eschscholzia lobbii Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  UC766003  Eschscholzia lobbii R. F. Hoover 1935-3-16 352 San Joaquin Farmington Comment
  CAS-BOT-BC419477  Eschscholzia lobbii Volney Rattan 1885-3-18 s.n. San Joaquin Live Oaks Comment
  POM196038  Eschscholzia lobbii E. E. Stanford 1929-4-7 1032 San Joaquin Near Peters. Hewitt Rd. Comment
  UCD95356  Eschscholzia lobbii Beecher Crampton 1975-4-16 9146 San Joaquin 3 miles north of Clements along Liberty Road. Comment
  UCD95377  Eschscholzia lobbii Marvin L. Nies 1951-4-1 30 San Joaquin 8 miles east of Lodi. Comment
  JEPS104687  Eschscholzia rhombipetala John L. Morrison 1940-3-17 3122 San Joaquin Corral Hollow; ca. 1/8 mi SE of Castle Rock Comment
  JEPS104688  Eschscholzia rhombipetala John L. Morrison 1940-3-17 3122 San Joaquin Corral Hollow; ca. 1/8 mi SE of Castle Rock Comment
  RSA0010835  Eucalyptus E. E. Stanford 1930-5-31 1540 San Joaquin Near Montica. 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
  UCD142342  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Terminous. 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
  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
  CAS-BOT-BC202412  Euphorbia ocellata Barrett Anderson 1987-7-6 3553 San Joaquin Farmington Canal site south of Road 30 Comment
  UCD142681  Euphorbia prostrata Daryl Koutnik 1988-8-25 s.n. San Joaquin Stockton at 541 Lillian, east of Hwy 99. 22 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
  UCD142815  Euphorbia serpillifolia Daryl Koutnik 1988-9-10 s.n. San Joaquin Plants originally collected at 5401 Jahant Road, 1 mile east of Hwy 99 in Acampo, north of Lodi. Comment
  JEPS73875  Euphorbia spathulata L. R. Heckard 1974-4-25 3669 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-BC312283  Euthamia occidentalis Brian Atwater 1978-8-22 BA- 76 San Joaquin Middle River between Victoria Is. and Upper Jones Tract Comment
  CDA39034  Euthamia occidentalis D. G. Kelch 2011-10-4 11 .837 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  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
  POM147786  Euthamia occidentalis E. E. Stanford 1927-9-26 716 San Joaquin Stockton, near Louis Park 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
  CDA2177  Festuca arundinacea J. B. Gianelli 1959-5-2 San Joaquin Hwy 12, east of Terminous. 0 Comment
  UCR207843  Festuca myuros var. hirsuta 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
  UCR253465  Festuca perennis George K. Helmkamp 2014-3-18 22587 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
  CAS-BOT-BC112376  Fimbristylis vahlii J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta. Comment
  SBBG115412  Fimbristylis vahlii B. Crampton 1960-8-9 5769 San Joaquin ca. 3 mi NE of Vernalis (in direct line), Durham Ferry Rd crossing of the San Joaquin River Comment
  CDA39694  Forestiera neomexicana T. C. Fuller 1971-4-21 19835 San Joaquin Inner Coast Ranges; Lone Tree Creek. 0 Comment
  CDA39695  Forestiera neomexicana T. C. Fuller 1962-4-24 8218 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  RSA21470  Forestiera pubescens Carl B. Wolf 1937-3-31 8404 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 Comment
  RSA97812  Forestiera pubescens R. C. Bacigalupi 1949-5-17 3098 San Joaquin Hospital Canyon, lower slopes. 183 Comment
  CAS-BOT-BC384218  Forestiera pubescens subsp. parvifolia Carl B. Wolf 1937-3-31 8404 San Joaquin W. side of San Joaquin Valley, Hospital Canyon 137 Comment
  CAS-BOT-BC384219  Forestiera pubescens subsp. parvifolia E. E. Stanford 1930-4-5 1212 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC384220  Forestiera pubescens subsp. parvifolia John Thomas Howell 1938-4-10 13762 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC53585  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211630  Frankenia salina John Thomas Howell 1929-9-21 4398 San Joaquin Island Road between Brentwood and Stockton Comment
  UC672598  Frankenia salina H. L. Mason 1928-9-30 4967 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC223539  Fraxinus latifolia Barrett Anderson 1987-10-24 3629 San Joaquin North arm of LIttlejohn's Creek at Van Allen Road Comment
  CAS-BOT-BC223542  Fraxinus latifolia Carl B. Wolf 1940-11-6 9780 San Joaquin San Joaquin Valley, 1 mi. No. of Lodi on Mokelumne River 15 Comment
  CAS-BOT-BC223544  Fraxinus latifolia Ira L. Wiggins 1934-10-25 6983 San Joaquin 1 mi. W. of San Joaquin R. Comment
  CAS-BOT-BC223545  Fraxinus latifolia E. E. Stanford 1928-3-20 833 San Joaquin Near Peters 45 Comment
  RSA24266  Fraxinus latifolia Carl B. Wolf 1940-11-6 9780 San Joaquin San Joaquin Valley, 1 mile N of Lodi on Mokelumne River 15 Comment
  UC1618020  Fraxinus latifolia Donald G. Nelson 1939-6-9 606 San Joaquin se of Stockton (on the Mount Diablo Base Line, junction of Austen Road and Little John Creek); Mount Diablo Base Line Comment
  UC774712  Fraxinus latifolia C. B. Wolf 1940-11-6 San Joaquin 1 mi n Lodi; San Joaquin Valley, Mokelumne River 15 Comment
  UCD122059  Fraxinus latifolia G. F. Hrusa; S. A. Wagner 1992-4-22 9289 San Joaquin Along Stanislaus River. Caswell Memorial State Park. Comment
  UCR63950  Fraxinus latifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  SEINET13943096 Image available Fraxinus oregona Carl B. Wolf 1940-1 9780 San Joaquin San Joaquin Valley, 1 mi N of Lodi on Mokelumne River; ca. 50 ft alt. 15 Comment
  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
  CDA6668  Galium mollugo J. Solari 1965-6-7 San Joaquin M. Allen property, Route 5, Roberts Island. 0 Comment
  UCD121878  Galium parisiense G. F. Hrusa; S. A. Wagner 1992-8-9 9351 San Joaquin Caswell Memorial State Park. Comment
  UC1039509  Galium trifidum H. L. Mason 1928-9-30 4959 San Joaquin near Holt; San Joaquin Delta Comment
  UCD121931  Galium trifidum G. F. Hrusa; S. A. Wagner 1992-7-8 9169 San Joaquin Caswell Memorial State Park. 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
  UCR238406  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-7 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 52 Comment
  POM65174  Gilia achilleifolia C. F. Baker 1903-4-27 s.n. San Joaquin Bethany 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
  UC23350  Gilia capitata subsp. staminea J. A. Sanford 1890-1 98 San Joaquin French Camp Comment
  UC907894  Gilia capitata subsp. staminea W. E. Fair 1929-4-14 San Joaquin Old River Antioch, Old River Comment
  UC907895  Gilia capitata subsp. staminea Joseph Dixon 1928-3-31 136 San Joaquin Manteca Comment
  UC963957  Gilia capitata subsp. staminea R. F. Hoover 1938-4-9 3027 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line); n of Corral Hollow Comment
  RSA21465  Gilia tricolor C. B. Wolf 1937-3-31 8399 San Joaquin W. side of San Joaquin Valley, lower end of Hospital Canyon Comment
  RSA537735  Gilia tricolor W. L. Jepson 1922-4-2 9558 San Joaquin Corral Hollow, Mt. Hamilton Range. 152 Comment
  JEPS85996  Gilia tricolor subsp. diffusa J. Ewan 1934-3-4 8613 San Joaquin s Carnegie (along floor of Corral Hollow); s of Carnegie, along floor Corral Hollow Comment
  JEPS86000  Gilia tricolor subsp. tricolor W. L. Jepson 1922-4-2 9587 San Joaquin Corral Hollow n end Mt. Hamilton Range, Castle Rock (n end Mt. Hamilton Range (just w of Hwy 580)) 182 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
  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
  CDA3382  Glinus lotoides J. F. Silva 1964-10-27 San Joaquin Escalon district. 0 Comment
  CDA2165  Glyceria declinata J. B. Gianelli 1994-9-16 San Joaquin Flood Road, Linden. 0 Comment
  UCD55218  Glyceria declinata John Gerlach 2006-5-24 s.n. San Joaquin Lane Ranch. Comment
  UCR63915  Gnaphalium luteoalbum L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC303342  Gnaphalium palustre 1880-6-1 s.n. San Joaquin [Gill Creek?], Live Oaks Comment
  UC485704  Gnaphalium palustre Katharine Brandegee San Joaquin San Joaquin Bridge Comment
  UCR63914  Gnaphalium palustre L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UC20285 Image available Godetia sparsiflora Benj. Cobb 1900-4-10 San Joaquin Tracy 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
  RSA424794  Gratiola ebracteata E. E. Stanford 1930-4-17 1334 San Joaquin Clements Road. Comment
  CDA17064  Grindelia camporum G. F. Hrusa, P. Akers 2003-10-1 16135 San Joaquin San Joaquin Valley; on Hwy 33 app. 1/2 mi. S of I-5 Vernalis exit. 22 Comment
  CDA39016  Grindelia camporum D. G. Kelch 2011-10-4 11 .828 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  OBI16378  Grindelia camporum Robert F. Hoover 1965-9-24 9647 San Joaquin River Rd near San Joaquin River just N of Stanislaus County line Comment
  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
  POM216789  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  POM266236  Grindelia camporum I. L. Wiggins 1940-8-12 9532 -b San Joaquin 1 mile NW of San Joaquin River bridge on U.S. Hwy 50. Comment
  POM359069  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  SD124906  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin Along Highway I-5, 0.7 miles north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus County line. 74 Comment
  UCD132479  Grindelia camporum G. F. Hrusa; S. A. Wagner 1992-7-8 9166 San Joaquin Caswell Memorial State Park. Eastern part of the park. Comment
  UCR45224  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  UCR194726  Grindelia camporum var. camporum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13079 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC304973  Grindelia hirsutula David D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, east of Tracy Comment
  CAS-BOT-BC304976  Grindelia hirsutula John Thomas Howell 1932-10-16 10842 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC304977  Grindelia hirsutula John Thomas Howell 1930-10-11 5550 San Joaquin 1 mile west of San Joaquin River bridge near Lathrop Comment
  CAS-BOT-BC304978  Grindelia hirsutula John Thomas Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile west of Holt Comment
  CAS-BOT-BC304981  Grindelia hirsutula Samuel B. Parish 1881-11-1 s.n. San Joaquin 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-BC304986  Grindelia hirsutula Ira L. Wiggins 1934-7-28 6944 San Joaquin 3.2 miles east of Escalon 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
  HSC84213  Grindelia hirsutula A. C. Sanders 1986-9-12 6917 San Joaquin Along Hwy I-5, 0.7 mi. N of the Hospital Creek bridge and 2.2 mi. N of the Stanislaus Co. line 76 Comment
  JEPS33282  Grindelia hirsutula Rimo Bacigalupi, and L. Constance 1962-8-13 8720 San Joaquin 2 mi e of crossing U.S. Highway 99 (freeway) (just n of bridge-crossing of Copperopolis road (Calif. 4), on roadside above diversion canal); Stockton Diverting Canal 10 Comment
  UC32112  Grindelia hirsutula J. Burtt Davy 1893-11-13 1177 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
  UC580079  Grindelia hirsutula Ira L. Wiggins 1934-10-25 6979 San Joaquin along slough 1 mi w San Joaquin River Comment
  UC60923  Grindelia hirsutula N. K. Berg 1903-12-10 San Joaquin Rough and Ready Isl. Comment
  UC765135  Guillenia flavescens R. F. Hoover 1938-4-9 3022 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) 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
  UC137299  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  UC36817  Gutierrezia californica State Survey 1861-10-1 San Joaquin Camp #61 Corral Hollow 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
  CAS-BOT-BC306531  Helenium bigelovii Brian Atwater 1978-8-31 BA- 131 San Joaquin Between Quinby Island and Franks Tract Comment
  CHSC55861  Helenium puberulum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2724 San Joaquin Island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  UC32239  Helenium puberulum J. A. Sanford San Joaquin w Stockton; San Joaquin Valley, Meyer's Tract Comment
  UCD131723  Helenium puberulum G. F. Hrusa; S. A. Wagner 1992-8-9 9321 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC305459  Helianthus annuus Herman Knoche 1919-11-10 Series A, No. 3013 San Joaquin Lodi Comment
  CDA25242  Helianthus annuus G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  JEPS35478  Helianthus annuus W. L. Jepson 1928-7-20 12940 San Joaquin Tracy Comment
  SJSU1707  Helianthus annuus C. W. Sharsmith 1955-9-11 6296 San Joaquin Corral Hollow Comment
  UC1491982  Helianthus annuus J. L. Strother 1977-7-19 1278 bis San Joaquin ca 2 mi n Escalon Comment
  UC32262  Helianthus annuus H. P. Fitch 1888-8-10 145 San Joaquin Stockton Comment
  UC32275  Helianthus annuus J. A. Sanford 6 San Joaquin Stockton San Joaquin Valley Comment
  UC32276  Helianthus annuus J. Burtt Davy 1893-11-13 1196 San Joaquin Stockton Comment
  UC32294  Helianthus annuus J. A. Sanford 1890-1-1 234 San Joaquin Roberts Island Comment
  UCD132799  Helianthus annuus Harriet A. Walker 1907-9-8 914 San Joaquin San Joaquin County. Comment
  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
  UCR253801  Helianthus annuus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20061 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  CAS-BOT-BC305457  Helianthus annuus E. E. Stanford 1927-8-31 694 San Joaquin Stockton Comment
  CAS-BOT-BC305458  Helianthus annuus E. E. Stanford 1926-8-26 2 San Joaquin Stockton 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
  CDA6562  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  UC1745566  Heliotropium curassavicum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 682 San Joaquin Holt. Comment
  JEPS37509  Helminthotheca echioides W. L. Jepson 1923-10-22 10267 San Joaquin lower San Joaquin River (western San Joaquin County); lower San Joaquin River, Union Island Comment
  CAS-BOT-BC305853  Helminthotheca echioides E. E. Stanford 1926-10-12 56 San Joaquin Near Stockton Comment
  UC596092  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton 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
  POM360307  Hemizonia kelloggii E. E. Stanford 1930-5-10 1470 San Joaquin Near Stanislaus River Comment
  SEINET11848426  Hemizonia kelloggii W. L. Jepson 1896-1 s.n. San Joaquin near Stockton Comment
  CDA20331  Hemizonia pungens P. Akers 2005-5-12 s.n. San Joaquin 150 ft W of intersection of Whiskey Slough Rd and Lower Jones Rd, between RR tracks and EBMUD Mokelumne Aquaduct. 0 Comment
  UC85562  Herniaria hirsuta subsp. cinerea Katharine Brandegee 1907-5-7 San Joaquin on the first cross road to the w near Tracy 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
  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
  SBBG26795  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin ca. 9 mi SE of Stockton at jct of Austin Rd and Little John Crk 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
  SEINET10939141  Heterocodon rariflorum Mason Mason 6974 San Joaquin CLEMENTS Comment
  RSA22270  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corral Hollow. 122 Comment
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  UC762882  Heterodraba unilateralis R. F. Hoover 1937-4-3 1742 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  UCD132146  Heterotheca grandiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9139 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC310941  Heterotheca grandiflora E. E. Stanford 1926-10-19 66 San Joaquin Near Stockton Comment
  RSA0075853  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island. 15 Comment
  RSA0075854  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island. Comment
  RSA0075856  Heterotheca grandiflora Cyril R. Owen 1927-12-12 9 San Joaquin Waterfront channel. [No further location information.] Comment
  UC480929  Heterotheca grandiflora Harriet A. Walker 906 San Joaquin near S.P.R.R.; Lathrop Comment
  JEPS9103  Hibiscus lasiocarpos Roy M. Filcher 1914-9-12 San Joaquin Moorland, lower San Joaquin Comment
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Dec 3 2008
  JEPS9104  Hibiscus lasiocarpos Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  JEPS9105  Hibiscus lasiocarpos Dr. W. P. Gibbons 1895-10-15 San Joaquin Stockton Comment
  UC1035808  Hibiscus lasiocarpos Annie M. Alexander and Louise Kellogg 1943-7-28 3456 San Joaquin island near Middle R. Bridge (San Joaquin R. (Byron-Stockton hwy.)); San Joaquin Valley, San Joaquin R. (Byron-Stockton hwy.) Comment
  UC1035821  Hibiscus lasiocarpos Annie M. Alexander and Louise Kellogg 1943-9-1 3526 San Joaquin on island near Middle R. Bridge (San Joaquin River (Byron-Stockton hwy.)); San Joaquin Valley, San Joaquin River (Byron-Stockton hwy.) 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
  CAS-BOT-BC55309  Hirschfeldia incana E. E. Stanford 1927-9-1 6 San Joaquin Stockton. Comment
  CDA25243  Hirschfeldia incana G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCD115124  Hirschfeldia incana G. F. Hrusa; S. A. Wagner 1992-4-22 9275 San Joaquin Caswell Memorial State Park. Comment
  CDA11008  Hoita macrostachya G. F. Hrusa, S. A. Wagner 1992-7-8 9178 San Joaquin Caswell Memorial State Park. Appr. 200 m. to W of westernmost parking area. Comment
  UCD84862  Holcus lanatus Beecher Crampton 1965-7-12 7456 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  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
  CDA7982  Holocarpha obconica Harkness, Peterson, Croce 1975-6-19 San Joaquin Railroad right of way, ca. 5 miles southwest of Tracy. 0 Comment
  OBI16049  Holocarpha obconica Robert F. Hoover 1965-9-24 9646 San Joaquin River Rd just N of Stanislaus Co line, near San Joaquin river Comment
  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
  UC1357614  Holocarpha obconica R. F. Hoover 1965-9-24 9646 San Joaquin River Road just n Stanislaus County line (near San Joaquin River) Comment
  UC913048  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin 10.5 mi sw Tracy (e end of hollow); Corral Hollow Comment
  POM298304  Holocarpha obconica subsp. obconica D. D. Keck 1933-8-23 2504 San Joaquin Corral Hollow (east end), 10.5 miles SW of Tracy. Comment
  CAS-BOT-BC320378  Holocarpha virgata C. C. Parry 1881-8-1 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC320345  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
  CAS-BOT-BC320377  Holocarpha virgata Gladys L. Smith 1959-5-1 1045 San Joaquin Near Wallace Comment
  SBBG19275  Holocarpha virgata M. A. Piehl 1959-8-2 59497 San Joaquin St Hwy 88 ca. 1.4 mi from Amador Co line Comment
  OBI75387  Holocarpha virgata subsp. virgata David J. Keil 1988-8-23 20991 San Joaquin Liberty Road, 4.2 miles east of Hwy 99. Comment
  POM231701  Holocarpha virgata subsp. virgata C. L. Hitchcock 1935-9-14 2833 San Joaquin 3 miles S of Galt. Comment
  POM360685  Holocarpha virgata subsp. virgata D. D. Keck 1931-10-18 1319 San Joaquin Escalon. 38 Comment
  CAS-BOT-BC311743  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi. east of Farmington, on road to Milton 35 Comment
  CAS-BOT-BC285040  Hordeum depressum E. E. Stanford 1927-4-21 173 San Joaquin Near Stockton Comment
  CAS-BOT-BC285043  Hordeum depressum John Thomas Howell 1953-4-26 28931 San Joaquin Corral Hollow Comment
  CDA43396  Hordeum jubatum Ken Peek 2015-4-14 PDR# 010 P06220548 San Joaquin Vicinity of Tracy. 0 Comment
  CAS-BOT-BC285130  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-4-21 177 San Joaquin Stockton Comment
  POM352454  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-3 115 San Joaquin Stockton. Comment
  UC73787  Hordeum marinum subsp. gussoneanum Mr. Sanford San Joaquin Stockton Comment
  CAS-BOT-BC389764  Hordeum murinum R. D. Hennessey 1964-5-2 79 San Joaquin Calaveras River 1 mile north and 7 miles northeast of point at which river empties into Stockton Channel 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
  CAS-BOT-BC284905  Hordeum murinum subsp. leporinum E. E. Stanford 1927-3-7 99 San Joaquin Stockton Comment
  UCR238402  Hordeum murinum subsp. murinum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18716 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
  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
  SEINET3387516 Image available Hypochaeris glabra P. O. Schallert 1945-3-18 123 San Joaquin Open fields near Stockton, California, San Joaquin Co. Comment
  CAS-BOT-BC319042  Hypochaeris glabra E. E. Stanford 1930-4-18 1362 San Joaquin Thornton Road Comment
  UCD133343  Hypochaeris glabra G. F. Hrusa; S. A. Wagner 1992-4-22 9281 San Joaquin Caswell Memorial State Park. Comment
  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
  UCD126567  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin west of Hwy 99 freeway 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. Comment
  CAS-BOT-BC101967  Juglans hindsii E. E. Stanford 1930-4-26 1417 San Joaquin Milton Rd. west of Peters Comment
  UCD141296  Juncus acuminatus G. F. Hrusa; S. A. Wagner 1992-7-8 9174 San Joaquin Caswell Memorial State Park. Immediately downstream from picnic area. Comment
  CDA39157  Juncus balticus J. B. Gianelli s.n. San Joaquin West side of Garden Road, 0.5 mile north of Hwy 12. 0 Comment
  UC766181  Juncus bufonius R. F. Hoover 1940-12-7 4710 San Joaquin 2 mi e Midway Comment
  CDA39203  Juncus bufonius R. DeVol 1965-4-15 s.n. San Joaquin R.O. Faircloth property, 8105 Moreland, Stockton. 0 Comment
  RSA368182  Juncus bufonius E. E. Stanford 1930-4-26 1430 San Joaquin Copperopolis Road. Comment
  UC1101023  Juncus effusus subsp. pacificus Verne Grant and Herbert L. Mason 1946-8-21 13071 San Joaquin Middle River Bridge Victoria Island Comment
  POM312826  Juncus effusus subsp. pacificus H. L. Mason, Verne Grant 1946-8-21 13071 San Joaquin Middle River bridge, Victoria Island. Comment
  JEPS97647  Juniperus californica Annetta M. Carter 1947-3-23 1781 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  RSA604702  Juniperus californica L. C. Wheeler 1952-9-29 6996 San Joaquin Ladd Mine: San Joaquin 5 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
  CDA6296  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  CAS-BOT-BC340435  Lactuca saligna John Thomas Howell 1932-10-16 10846 San Joaquin Tesla Road, 8 miles west of Tracy Comment
  CAS-BOT-BC340720  Laennecia coulteri Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi Comment
  UC185659  Laennecia coulteri Katharine Brandegee 1892-9-6 San Joaquin Bouldin Island 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
  CAS-BOT-BC341283  Lagophylla glandulosa H. M. Hall 1915-9-19 10123 San Joaquin Stockton 9 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
  JEPS76765  Lagophylla ramosissima L. R. Heckard 1974-4-25 3672 San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank>); Corral Hollow, grounds of Atomic Energy Commission/U.C. test 304 Comment
  POM146111  Lamium amplexicaule E. E. Stanford 1926-9-15 15 San Joaquin Stockton, College of the Pacific. Along campus paths. Comment
  SEINET3913692  Lappula squarrosa Russell S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi.; 0 Comment
  SEINET3245759  Lasthenia californica G. K. Helmkamp, E. A. Helmkamp 2009-1 14468 San Joaquin San Joaquin Valley: along CA-88/ 12 in Lockeford, 0.3 mile northeast of Elliott Road (Lockeford 7.5') 24 Comment
  CAS-BOT-BC337942  Lasthenia californica Frank W. Gould 1940-3-16 885 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  UCD132440  Lasthenia californica subsp. californica Beecher Crampton 1975-4-16 9148 San Joaquin 3 miles NE Clements. Jct. Liberty Road and Hwy.88 Comment
  CAS-BOT-BC352739  Lasthenia fremontii Rimo Bacigalupi; G. T. Robbins; Keith Harrison 1955-5-13 5073 San Joaquin Along California Highway No. 8, at first rolling foothills, 2.2 miles W of Calaveras County line. 53 Comment
  UC30419  Lasthenia fremontii J. A. Sanford 1890-1-1 11 San Joaquin French Camp Comment
  CAS-BOT-BC352733  Lasthenia fremontii E. E. Stanford 1927-4-23 184 San Joaquin Near Stockton. Comment
  CAS-BOT-BC352737  Lasthenia fremontii E. E. Stanford 1929-4-7 1041 San Joaquin Near Peters. Comment
  POM196311  Lasthenia fremontii E. E. Stanford 1928-4-7 848 San Joaquin Near Collegeville Comment
  SEINET11805355  Lasthenia fremontii R. A. Schlising, Baker, H. G. 1963-1 2482 d San Joaquin junction of Hwy 8 & Ospital Road Comment
  CAS-BOT-BC355490  Lasthenia glaberrima E. E. Stanford 1928-4-5 841 San Joaquin Stockton 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
  CAS-BOT-BC355491  Lasthenia glaberrima D. K. Gillespie; J. W. Gillespie 1930-4-24 9232 San Joaquin 4 miles south of Galt Comment
  POM146132  Lasthenia glaberrima E. E. Stanford 1927-4-12 148 San Joaquin Near Stockton. Comment
  CAS-BOT-BC352812  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton Comment
  RSA21257  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-3-31 8371 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC352815  Lasthenia glabrata subsp. glabrata Serena Philips 1915-4-2 s.n. San Joaquin Near Stockton Comment
  POM226880  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  JEPS10015  Lasthenia gracilis W. L. Jepson 1922-4-2 9570 San Joaquin 182 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
  JEPS73878  Lasthenia microglossa L. R. Heckard 1974-4-25 3674 A San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank>); Corral Hollow, grounds of Atomic Energy Commission/U.C. test 304 Comment
  CAS-BOT-BC368710  Lasthenia minor R. F. Hoover 1966-3-25 9740 San Joaquin River Road along San Joaquin River just north of Stanislaus Co. line Comment
  CAS-BOT-BC368711  Lasthenia minor Roxana S. Ferris 1938-4-15 9404 San Joaquin Near gravel pit at the mouth of CVorral Hollow 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-BC368716  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  CAS-BOT-BC368717  Lasthenia minor John Thomas Howell 1933-3-26 10887 A San Joaquin Corral Hollow Comment
  CAS-BOT-BC368718  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  CAS-BOT-BC385628  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  RSA21463  Lasthenia minor C. B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  POM196011  Lasthenia minor E. E. Stanford 1928-4-19 890 San Joaquin Stockton 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
  UCD106253  Lathyrus jepsonii var. californicus G. F. Hrusa; S. A. Wagner 1992-4-22 9240 San Joaquin Caswell Memorial State Park. Approx. 200 meters to west of westernmost parking area. Comment
  CAS-BOT-BC205010  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Id., Stockton Comment
  UC61035  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-11 San Joaquin Routh & Ready Comment
  UC1190283  Lavatera cretica Ira L. Wiggins 1958-4-13 14322 San Joaquin at corner of Patterson Road and Grant Line Road Comment
  JEPS13425  Layia chrysanthemoides R. F. Hoover 1937-5-6 2082 San Joaquin 5 mi se Stockton Comment
  UC761873  Layia chrysanthemoides R. F. Hoover 1937-5-6 2082 San Joaquin 5 mi se Stockton Comment
  HSC23112  Layia fremontii Gary J. Stebbins 1970-3-28 53 San Joaquin Along S.R. 88, 1.5 mi. SW of the county line. 37 Comment
  JEPS39102  Layia fremontii W. L. Jepson 1929-4-28 15205 San Joaquin Clements 60 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-BC323245  Layia fremontii Serena Philips 1915-4-2 s.n. San Joaquin Near Stockton Comment
  POM195965  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  POM361722  Layia fremontii Clarence R. Quick 1929-4-14 s.n. San Joaquin Peters. Comment
  CAS-BOT-BC380872  Layia platyglossa M. K. Curran 1884-1-1 s.n. San Joaquin San Joaquin Comment
  POM306596  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1938-4-3 1559 San Joaquin Tracy Comment
  RSA21464  Layia platyglossa subsp. campestris C. B. Wolf 1937-3-31 8398 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  CAS-BOT-BC274342  Leersia oryzoides Brian Atwater 1978-8-24 BA- 120 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  UC1056242  Leersia oryzoides Virginia E. Long 1930-9-1 8 a San Joaquin near Holt Comment
  UC912579  Leersia oryzoides Herbert L. Mason 1928-9-30 4961 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UCD36788  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin San Joaquin County, 6.4 miles south of Thornton. Comment
  UCD63509  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin 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
  CDA12519  Lemna gibba G. F. Hrusa, S. A. Wagner 1992-8-9 9343 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  JEPS79583  Lemna minor Edward Lee 1934-7-4 971 San Joaquin between Middle and Old River ((San Joaquin) drainage ditch, Borden Highway); Borden Highway Comment
  RSA318295  Lemna minuta Wayne P. Armstrong 1984-8-23 1215 San Joaquin South side of Highway 4-- 3 miles southwest of Holt 2 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
  UCR253463  Leontodon taraxacoides George K. Helmkamp 2014-3-18 22589 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
  CAS-BOT-BC88958  Lepidium dictyotum Roxana S. Ferris 1938-4-15 9403 San Joaquin Mouth of Corral Hollow. Comment
  RSA161134  Lepidium dictyotum P. H. Raven, Reino Alava, Robert Ornduff, S. Woodcox 1957-3-30 10558 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC88959  Lepidium dictyotum E. E. Stanford 1928-3-10 801 San Joaquin Between Turners and Atlanta. Comment
  CDA15316  Lepidium latifolium J. Allan 1998-8-2 s.n. San Joaquin San Joaquin Valley; NW corner Bethany & Henderson Rd. in Tracy. 0 Comment
  UCR253616  Lepidium latifolium George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20074 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  POM195962  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  CAS-BOT-BC12558  Lepidium nitidum John Thomas Howell 1931-3-16 5784 San Joaquin 3 miles southeast of Tracy. Comment
  CAS-BOT-BC12559  Lepidium nitidum John Thomas Howell 1933-3-26 10892 San Joaquin Corral Hollow. Comment
  JEPS53699  Lepidium nitidum W. L. Jepson 1922-4-2 9586 San Joaquin lower part Corral Hollow; Mt. Hamilton Range, Castle Rock 182 Comment
  RSA161144  Lepidium nitidum P. H. Raven, Robert Ornduff, et al. 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  UCR207838  Lepidium nitidum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14466 San Joaquin San Joaquin Valley, along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  CAS-BOT-BC12706  Lepidium oblongum J. W. Congdon 1893-4-30 s.n. San Joaquin Lathrop. Comment
  CAS-BOT-BC12711  Lepidium oblongum Volney Rattan 1887-3-1 s.n. San Joaquin Live Oaks. Comment
  UCR232271  Lepidium oblongum George K. Helmkamp, E. A. Helmkamp 2011-3-29 17100 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  RSA429653  Lepidium perfoliatum E. E. Stanford 1930-5-28 1524 San Joaquin Lincoln Highway near French Camp Comment
  UC1601653  Lepidium strictum Albert Kellogg 1889-5-29 San Joaquin S<?> Comment
  CAS-BOT-BC13052  Lepidium virginicum var. menziesii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Island. Stockton. Comment
  UCD134021  Lepidospartum squamatum John Thomas Howell 1971-6-25 48111 San Joaquin Hospital Creek at Interstate Hwy. 580, 4 miles southwest of Vernalis. Comment
  UCD63663  Leptochloa fusca subsp. fascicularis Beecher Crampton 1960-8-9 5771 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  RSA135321  Leptosiphon bicolor Volney Rattan 1877-3-15 s.n. San Joaquin Live Oaks Comment
  RSA0001377  Lessingia germanorum var. vallicola John T. Howell 1927-8-27 3065 San Joaquin Near Manteca. 15 Comment
  OBI48833  Lessingia pectinata var. tenuipes Michener & Boletti, Boletti September 1892 s.n. San Joaquin San Joaquin bridge Comment
  JEPS18545  Lessingia virgata V. Rattan 1880-10-23 San Joaquin Live Oaks, Rattan's Ranch Comment
  CAS-BOT-BC272206  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Near Stockton, Calaveras River Comment
  UCD65604  Leymus triticoides G. F. Hrusa; S. A. Wagner 1992-4-22 9270 San Joaquin Caswell Memorial State Park. Comment
  UCD87586  Leymus triticoides Mrs. H. P. Kelley 1916-5-23 s.n. San Joaquin San Joaquin County. Comment
  CAS-BOT-BC451656  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. 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
  UC767547  Lilaea scilloides Robert F. Hoover 1935-3-16 347 San Joaquin Farmington; San Joaquin Valley Comment
  POM146101  Lilaea scilloides E. E. Stanford 1927-4-21 169 San Joaquin Stockton, Campus. Comment
  POM203336  Lilaea scilloides J. T. Howell 1930-4-12 4680 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC211112  Lilaeopsis masonii Brian Atwater 1979-3-17 BA- 182 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC211114  Lilaeopsis masonii Virginia I. Dains; Walter Knight No date on label 5460 San Joaquin Swing Bridge Comment
  UCD127575  Lilaeopsis masonii Maria Lain 1982-5-20 s.n. San Joaquin east edge of of small island in Old River at its junction with West Canal. (i.e. by the northeast trip of Coney Island) 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
  JEPS19619  Limnanthes alba subsp. alba W. L. Jepson 1929-4-28 15198 San Joaquin Clements 60 Comment
  UC635634  Limnanthes alba subsp. alba H. L. Mason 1928-5-3 4456 San Joaquin 6 mi n Clement 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
  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
  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
  UC17913  Limnanthes douglasii subsp. rosea A. W. Gunnison 1896-4-18 San Joaquin Linden Comment
  UC869483  Limnanthes douglasii subsp. rosea Lewis S. Rose 1941-3-27 41063 San Joaquin Stockton 3 Comment
  UCD84995  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 958 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  UCD85107  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 956 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  UCR80237  Limnanthes douglasii subsp. rosea E. E. Stanford 1929-4-7 1025 San Joaquin San Joaquin Valley, Near Peters on Hewitt Road 30 Comment
  POM196043  Limnanthes douglasii subsp. rosea E. E. Stanford 1929-4-7 1025 San Joaquin Peters. Comment
  SEINET6670595  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-25 1160 San Joaquin Along state highway 4 about 1.8 mile west of cross-road to Milton and Knights Ferry 61 Comment
  UC52385  Linanthus bicolor Benj. Cobb San Joaquin Tracy Comment
  CDA40052  Linanthus ciliatus T. C. Fuller 1962-4-24 8231 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  JEPS58380 Image available Linanthus dichotomus W. L. Jepson 1922-4-2 9597 San Joaquin W San Joaquin County, Corral Hollow. 182 Comment
  CDA41689  Lindernia dubia var. anagallidea Peter Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). 0 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
  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
  CAS-BOT-BC430971  Lithophragma bolanderi Volney Rattan 1885-3-25 s.n. San Joaquin In wheat field Live Oaks Comment
  JEPS47506  Lithophragma parviflorum W. L. Jepson 1922-4-2 9571 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow (w San Joaquin County) 182 Comment
  UC88256  Logfia filaginoides unknown San Joaquin Tracy Comment
  CHSC20553  Lolium multiflorum Virginia Holsinger 1964-5-18 106 San Joaquin Roadside bordering cow pasture, east of Livermore. 152 Comment
  CDA2243  Lolium perenne J. B. Gianelli 1959-6-11 2586 San Joaquin Potter ranch, Lodi. 0 Comment
  SEINET10599283  Lolium remotum E. E. Stanford 1930-4-12 Stanford 1298 San Joaquin Mariposa Rd. near Cometa Rd. Wet roadsides. Comment
  RSA452567  Lomatium caruifolium E. E. Stanford 1930-4-26 1428 San Joaquin Copperopolis Rd. west of Peters Comment
  POM196327  Lomatium marginatum E. E. Stanford 1928-4-7 847 San Joaquin Near Collegeville Comment
  SJSU10978  Lomatium marginatum M. E. Meyers 1955-5-27 68 San Joaquin 12 mi E of Lodi 76 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
  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
  SEINET7042496  Lotus wrangelianus 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
  UC19731  Ludwigia J. A. Sanford 1890-1 37 San Joaquin Stockton Comment
  CDA38127  Ludwigia peploides J. B. Gianelli 1972-10-5 s.n. San Joaquin Spoils area south of Stockton Yacht Club, Calaveras River. 0 Comment
  CDA5222  Ludwigia peploides subsp. montevidensis Castle Seed Co. 1959-8-13 San Joaquin A. L. Castle Seed Company, Stockton. 0 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
  JEPS44327  Ludwigia peploides subsp. peploides Willis L. Jepson 1923-8-3 10031 San Joaquin lower San Joaquin Co., Old River, canal lower San Joaquin Co., Old River Comment
  UC596384  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington 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
  POM257274  Ludwigia peploides subsp. peploides H. L. Mason 1928-9-30 4953 San Joaquin San Joaquin Delta near Holt. Comment
  CDA27362  Lupinus albifrons T. C. Fuller 1962-4-24 8225 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCD96915  Lupinus albifrons Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6952 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UC126972  Lupinus bicolor F. T. Bioletti 1892-1 San Joaquin Tracy 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
  UCR233110B  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15839 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
  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
  UCD107296  Lupinus bicolor June McCaskill; Jack Major 1958-4-10 554 San Joaquin North side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camance). 60 Comment
  UCD33919  Lupinus bicolor Beecher Crampton 1975-4-16 9143 San Joaquin 3 miles north of Clements along Liberty road. Comment
  POM10651  Lupinus bicolor subsp. pipersmithii C. F. Baker, Jones 1903-4-26 2910 San Joaquin Tracy Comment
  JEPS65217  Lupinus formosus var. robustus W. L. Jepson 1896-6-27 56 t San Joaquin between [San Joaquin] river bridge and Burnet sta. (San Joaquin Co. plains); , btw river bridge and Burnet sta. Comment
  OBI48311  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin San Joaquin-Alameda Cos. Drainage area, Carnegie Motorcycle park project, Co. J2 at Co. line Comment
  SBBG114090  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co Rd J2 at Co line Comment
  UC15843  Lupinus microcarpus var. densiflorus F. W. Gunnison May, 1896 San Joaquin Linden 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
  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
  UCD126603  Lycium barbarum E. F. Serr 1931-8-11 2255 San Joaquin Manteca. Comment
  CDA5758  Lycium chinense T. C. Fuller 1964-11-6 12811 San Joaquin Across levee road from Whiskey Slough, Holt. 0 Comment
  UC1784118  Lycopus americanus Ethel Crum 1930-9-29 864 San Joaquin Holt Comment
  UCD124968  Lycopus americanus G. F. Hrusa; S. A. Wagner 1992-8-9 9349 San Joaquin Oxbow Lake. 0 Comment
  UC108056  Lythrum californicum W. Vortriede San Joaquin Stockton Comment
  CDA14909  Lythrum californicum D. Joley 1998-10-1 s.n. San Joaquin San Joaquin Valley; Bank of White Slough on W side of Interstate 5 along Hwy 12. 0 Comment
  UC19766  Lythrum hyssopifolia J. A. Sanford 1890-1 54 San Joaquin Stockton Comment
  RSA0011325  Lythrum hyssopifolia E. E. Stanford 1930-5-13 1481 San Joaquin Rough and Ready Island/ Comment
  UCD103038  Lythrum hyssopifolia G. F. Hrusa 1992-8-26 9530 San Joaquin Caswell Memorial State Park. Comment
  CDA15333  Lythrum salicaria E. Finley, Watkins 1998-9-22 PDR 1013543 San Joaquin North Coast Biodiversity Arena; E levy of San Joaquin River at confluence with Burns Cutoff. 0 Comment
  CDA13490  Lythrum salicaria F. Minnazzoli 1997-9-22 s.n. San Joaquin no loc. data 0 Comment
  JEPS2644 Image available Lythrum sanfordii J. A. Sanford 1890-1 San Joaquin Stockton Comment
  JEPS2645 Image available Lythrum sanfordii J. A. Sanford 1890-1 383 San Joaquin Stockton; ; Stockton, San Joaquin Co. Comment
  JEPS119426  Madia citrigracilis G. K. Helmkamp, E. A. Helmkamp 2011-7-19 17798 San Joaquin Northern Sierra Nevada Mountains Foothills, Forest Route 5N14, 1.7 miles southeast of Boards Crossing bridge of North Fork Stanislaus River Comment
  UCD132784  Madia elegans G. F. Hrusa; S. A. Wagner 1992-8-9 9330 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC342685  Madia elegans David D. Keck 1933-10-28 2577 San Joaquin 3 mi. N. of Stockton 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
  CAS-BOT-BC324520  Madia radiata J. C. Chamberlain 1935-3-19 6196 San Joaquin Hospital Canyon, eastern slopeof Hamilton Range Comment
  CAS-BOT-BC204036  Malacothamnus fremontii John Thomas Howell 1952-4-22 28310 San Joaquin Corral Hollow Comment
  UCD116366  Malacothamnus fremontii John Thomas Howell 1971-6-25 48110 San Joaquin Hospital Creek at Interstate Hwy. 580, 4 miles southwest of Vernalis. Comment
  CAS-BOT-BC345541  Malacothrix coulteri Alice Eastwood; John Thomas Howell 1935-4-7 2097 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC345543  Malacothrix coulteri Alice Eastwood; John Thomas Howell 1935-4-7 2097 San Joaquin East end of Corral Hollow Comment
  UC33279  Malacothrix coulteri Benj. Cobb San Joaquin Tracy Comment
  UC768592  Malacothrix coulteri R. F. Hoover 1938-4-9 3047 San Joaquin lower end Corral Hollow Comment
  UCR238407  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 2012-4-7 18722 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
  SEINET7248014  Malva pseudolavatera Ira L. Wiggins 1958-1 14322 San Joaquin At corner of Patterson Road and Grant Line Road. Comment
  UCD116686  Malva pseudolavatera T. C. Fuller 1962-6-4 8832 San Joaquin In waste ground, n. side of Hwy 50 at r.r. tracks, w. limits of Tracy. Comment
  UC18829  Malvella leprosa J. Burtt Davy Nov. 1893 826 San Joaquin Stockton Comment
  UC18831  Malvella leprosa J. Burtt Davy Nov., 1893 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
  UC1267080  Marah fabacea Kenneth M. Stocking 1947-8-5 14 San Joaquin 1 mi e Linden Comment
  CHSC46941  Marah fabacea Lloy Thurman 1963-4-27 San Joaquin North of Linden, between Duncan and Clements Road. Comment
  RSA440953  Marah fabacea K. M. Stocking 1947-5-15 37 San Joaquin Stockton, by NW corner of Calaveras bridge on West Lane. Comment
  UCD125011  Marrubium vulgare G. F. Hrusa; S. A. Wagner 1992-4-24 9313 San Joaquin Caswell Memorial State Park. 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-BC71110  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton Comment
  UCSB8328  Marsilea vestita Chisaki, Francia; Kamb, Peter 1951-4-14 San Joaquin 2 mi E of Collegeville on road toward Valley Home. Comment
  JEPS7073  Marsilea vestita subsp. vestita Francia Chisaki, Peter Kamb 1951-4-14 1990 San Joaquin ca. 2 mi e Collegeville (on rd. toward Valley Home) Comment
  UC770069  Marsilea vestita subsp. vestita R. F. Hoover 1935-3-1 295 San Joaquin 5 mi sw Ripon Comment
  SFV12344  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 part of county. Comment
  UC181352  Marsilea vestita subsp. vestita Katharine Brandegee 1914-9-27 San Joaquin opposite Mossdale Schoolhouse (near San Joaquin Bridge) Comment
  UC62269  Marsilea vestita subsp. vestita F. T. Bioletti 1892-9-9 San Joaquin lower San Joaquin 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
  UC35560  Matricaria discoidea J. A. Sanford 1890-1 15 San Joaquin French Camp Comment
  UCR207833  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2009-3-26 14460 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 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
  SEINET3422325 Image available Medicago hispida P. O. Schallert 1945-3-8 s.n. San Joaquin Waste places near Stockton, California. 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
  UC16099  Medicago polymorpha Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop 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
  UC62238  Melia azedarach J. A. Sanford 1890-1 108 San Joaquin Stockton 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
  POM348200  Melilotus indicus C. R. Quick 1929-4-6 s.n. San Joaquin Aviation Field. C.O.P. Comment
  SEINET3418100 Image available Melilotus indicus P. O. Schallert 1945-4-22 238 San Joaquin Stockton, Common around Stockton, San Joaquin County, California, Comment
  UC57621  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  POM196207  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
  UC761956  Mentha pulegium R. F. Hoover 1935-8-3 704 San Joaquin 5 mi sw Ripon (Stanislaus River bottom); Stanislaus River bottom Comment
  UCD125121  Mentha pulegium Alton Enloe 1956-7-17 s.n. San Joaquin near Lodi. Comment
  UC177266  Mentha spicata K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  JEPS27274  Mentzelia affinis Rimo Bacigalupi 1961-2-27 7544 San Joaquin just below and s drop-tower installation of Atomic Energy Commn (On west-facing hillside, in canyon to the north of Corral Hollow just east of Alameda-San Joaquin county line.) 243 Comment
  UC108406  Mentzelia affinis Brandegee May 1889 San Joaquin Tracy Comment
  UC140495  Mentzelia affinis C. F. Baker 1903-4-25 2781 San Joaquin Tracy Comment
  RSA18938  Micropus californicus Roxana S. Ferris 1938-4-15 9400 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  RSA21462  Micropus californicus C. B. Wolf 1937-3-31 8396 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 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
  CAS-BOT-BC348802  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow-Livermore Road 152 Comment
  UC604926  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin hillside near mouth of Elk Ravine; Cow Hollow-Livermore Road 152 Comment
  UC625512  Microseris douglasii subsp. douglasii Frank W. Gould 1938-4-10 165 San Joaquin in vicinity Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  UC903218  Microseris douglasii subsp. douglasii Ethel Crum 1932-5-1 1416 San Joaquin Lockeford 22 Comment
  UCSC000848  Microseris douglasii subsp. douglasii B. Cobb unknown s.n. San Joaquin Tracy Comment
  UC596097  Microseris douglasii subsp. tenella R. F. Hoover 1937-5-6 2084 San Joaquin 5 mi se Stockton Comment
  RSA14938  Microseris heterocarpa Alice Eastwood, John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow. 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
  RSA80449  Mimulus guttatus E. E. Stanford 1930-04 s.n. San Joaquin Northern part of the county. Comment
  UC445155  Mimulus latidens J. A. Sanford 1890-1 160 San Joaquin Comment
  RSA113966  Mimulus latidens Francia Chisaki, Peter Kamb, S. Galen Smith 1951-4-14 1986 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. 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
  JEPS22962  Mimulus pilosus Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks Comment
  RSA60755  Mimulus pilosus Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  UC26913  Mimulus pilosus J. A. Sanford 1890-1 184 San Joaquin W. Stockton Comment
  CDA41830  Mimulus pilosus J. R. Pierce 1963-8-3 s.n. San Joaquin Goose Creek, 6 miles north of Lockeford, northern edge of county. 0 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
  RSA27965  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt. 16 Comment
  JEPS25282  Mollugo verticillata G. Thomas Robbins with Robert Ornduff and Howard Whisler 1959-10-25 4171 San Joaquin 1/2 mi w of Stanislaus County line (3 1/2 mi e of Farmington, bed of Duck Creek, along Hwy 4, in the first foothills of Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  CAS-BOT-BC435048  Mollugo verticillata L. R. Abrams 1917-9-14 6733 San Joaquin 3 mi northwest of Stockton, Calaveras River. Comment
  RSA0010766  Mollugo verticillata L. R. Abrams 1917-9-14 6733 San Joaquin 3 miles northwest of Stockton. [label indicates San Joaquin and Calaveras Co.] Comment
  UCD99642  Mollugo verticillata G. F. Hrusa 1992-8-9 9354 San Joaquin Caswell Memorial State Park; above the waterline at Oxbow Lake. Comment
  RSA20137  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC604932  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin near mouth of Elk Ravine (Corral Hollow-Livermore Rd.) 152 Comment
  CAS-BOT-BC349410  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1482 San Joaquin Corral Hollow, Mount Hamilton Range 228 Comment
  OBI18697  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital cyn 137 Comment
  POM260772  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1495 San Joaquin Corral Hollow, Mount Hamilton Range 229 Comment
  POM363555  Monolopia lanceolata C. B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  CAS-BOT-BC349640  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  SJSU3175  Monolopia major R. Takaha 1958-3-6 San Joaquin Corral Hollow, between Livermore & 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
  UC50090  Monolopia major F. W. Gunnison May, 1896 San Joaquin Linden 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
  UC1153848  Muhlenbergia rigens Beecher Crampton 1955-9-7 3155 San Joaquin flat 3.7 mi s Thornton Comment
  UCD36789  Muhlenbergia rigens Beecher Crampton 1955-9-7 3155 San Joaquin San Joaquin County, 3.7 miles south of Thornton. Comment
  POM264700  Muilla maritima Lincoln Constance, A. A. Beetle 1940-3-21 2536 San Joaquin Castle Rock, Corral Hollow. 213 Comment
  SEINET3243472  Muilla maritima Frank W. Gould 1940-1 884 San Joaquin Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  SEINET3887495  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow.; 0 213 Comment
  SEINET3992098  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow 213 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
  UC766279  Muilla maritima R. F. Hoover 1946-4-13 6077 San Joaquin near lower end; Corral Hollow Comment
  CAS-BOT-BC515639  Muilla maritima Alice Eastwood; John Thomas Howell 1935-2-24 1950 San Joaquin Corral Hollow Comment
  UC1051429  Myosurus minimus Francia Chisaki, Peter Kamb, S. Galen Smith 1951-4-14 1985 San Joaquin 0.6 mi n Collegeville (on road toward Lockeford) Comment
  UC708133  Myosurus minimus Charles V. Piper 1921-5-26 San Joaquin Stockton Comment
  UCR133578  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Sacramento Valley, near Stockton 5 Comment
  CAS-BOT-BC83362  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Near Stockton. Comment
  HSC77883  Myriophyllum aquaticum Jerry Webb 1977-11-23 12 San Joaquin San Joaquin Delta, Mandible Is. Comment
  UC1178886  Myriophyllum hippuroides Herbert L. Mason 1938-8-26 12074 San Joaquin Trappers Slough, Roberts Island Comment
  CDA18616  Myriophyllum spicatum E. Finley 1999-10-3 PDR 1013546 C San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  CDA37685  Myriophyllum spicatum R. Breckenridge/D. Kratville 2004-5-19 s.n. San Joaquin Stockton, near Paradise Point Marina, Eight Mile Road. 0 Comment
  UC1100010  Najas guadalupensis Herbert L. Mason, Verne Grant 1946-9-12 13128 San Joaquin near Dagget Road (Roberts Island, Borden Highway, s of main ditch); Roberts Island, Borden Highway Comment
  UCD96875  Nassella cernua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6928 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  UC908648  Navarretia leucocephala Clifford Bedford 1936-4-18 San Joaquin 3 mi se Lodi (Harney Lane) Comment
  CDA40129  Navarretia leucocephala T. C. Fuller 1962-5-1 8924 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  SEINET9335663  Navarretia leucocephala Unknown 1966-5-3 7690 San Joaquin San Joaquin County Comment
  UC963752  Navarretia leucocephala subsp. leucocephala H. L. Mason 1928-5-3 4455 San Joaquin 4 mi n Clements 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
  JEPS2991  Nemophila heterophylla Mrs. A. R. Arnold 1922-4-30 San Joaquin Corral Hollow (western San Joaquin County) Comment
  UC131445  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy; ; Tracy, San Joaquin Co. Comment
  UC596368  Nemophila menziesii R. F. Hoover 1938-3-19 2868 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line, San Joaquin Co.); n of Corral Hollow Comment
  POM196283  Nemophila menziesii var. menziesii E. E. Stanford 1928-3-23 823 San Joaquin Near Peters. 30 Comment
  POM256417  Nemophila pedunculata H. L. Mason 1932-3-19 6824 San Joaquin 2 miles east of Midway, between Mountain House and Tracy. Comment
  SBBG29931  Nemophila pedunculata L. Constance 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow 198 Comment
  UC592128  Nemophila pedunculata H. L. Mason 1932-3-19 6824 San Joaquin two mi e Midway (between Mountain House and Tracy); e of Midway, btw Mountain House and Tracy Comment
  UC765443  Nemophila pedunculata R. F. Hoover 1935-3-16 351 San Joaquin Farmington Comment
  POM147751  Nicotiana acuminata E. E. Stanford 1927-7-19 668 San Joaquin Stockton. Comment
  UCSB18573  Nicotiana acuminata Boyles, Robert 1964-5-18 San Joaquin 50 feet S of Brookside Road; 1.2 miles W of Pershing Ave 3 Comment
  CDA14313  Nicotiana acuminata var. multiflora Al Wheelon 1998-8-12 s.n. San Joaquin San Joaquin Valley; near Port of Stockton. 0 Comment
  CDA25629  Nicotiana acuminata var. multiflora G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13086 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  JEPS12277  Nicotiana acuminata var. multiflora R. F. Hoover 1935-8-3 702 San Joaquin 5 mi sw Ripon Comment
  SD239940  Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2011-10-15 18428 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. Roadside depression. 39 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
  UCD126687  Nicotiana acuminata var. multiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9187 San Joaquin Caswell Memorial State Park, 100 meters west of interpretive sign parking lot. Comment
  CAS-BOT-BC233462  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Levee, San Joaquin River, Stockton Comment
  CDA37451  Nicotiana glauca D. G. Kelch 2011-10-4 11 .83 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  POM146110  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Stockton. Levee, San Joaquin River. Comment
  UC26169  Nicotiana glauca H. P. Fitch 1888-1 137 San Joaquin Stockton Comment
  UCD125926  Nicotiana glauca G. F. Hrusa; S. A. Wagner 1992-4-22 9276 San Joaquin Caswell Memorial State Park. Open riverbank areas above the waterline. Comment
  JEPS6861  Nitrophila occidentalis W. L. Jepson 1896-6-27 San Joaquin Lower San Joaquin Comment
  RSA135313  Nitrophila occidentalis Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  RSA478853  Nitrophila occidentalis E. E. Stanford 1930-5-10 1475 San Joaquin West Ripon Road. Comment
  UC519211  Nitrophila occidentalis H. H. Severin 1933-9-7 San Joaquin along irrigating ditch n 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
  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
  RSA41301  Oenothera deltoides subsp. cognata Robert F. Hoover 1937-5-18 2178 San Joaquin Near Lathrop Comment
  UC763067  Oenothera deltoides subsp. cognata R. F. Hoover 1938-4-9 3031 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  UC763977  Oenothera deltoides subsp. cognata R. F. Hoover 1937-5-18 2178 San Joaquin near Lathrop Comment
  POM192729  Oenothera deltoides subsp. cognata H. M. Hall 1916-9-10 10281 San Joaquin Nile Gardens, near Manteca. Comment
  CDA18868  Oenothera elata subsp. hirsutissima G. Leonard 1999-9-1 PDR 005352 San Joaquin San Joaquin Valley; San Joaquin Co. 0 Comment
  CDA38182  Oenothera elata subsp. hirsutissima T. C. Fuller 1964-11-6 12814 San Joaquin Across levee road from Whiskey Slough, Holt. 0 Comment
  CDA38183  Oenothera elata subsp. hirsutissima T. C. Fuller 1958-7-3 1977 San Joaquin Staten Island. 0 Comment
  UC102908  Orobanche californica subsp. jepsonii T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge, near Lathrop. Comment
  UCD123188  Orobanche californica subsp. jepsonii G. F. Hrusa 1992-8-26 9569 San Joaquin Caswell Memorial State Park. Open road immediately west of burn pile. 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
  CAS-BOT-BC502933  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1me S of Hwy 4, Roberts Ialand, ca 3 mi SW of Stockton Comment
  RSA0072116  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1 mi S/Hwy 4, Roberts Island, ca. 3 mi SW/Stockton. Comment
  RSA0087772  Orobanche uniflora subsp. occidentalis Frank W. Gould 1938-4-10 160 San Joaquin East end of Corral Hollow in vicinity of Castle Rock. 182 Comment
  RSA516491  Orthocarpus campestris Robert F. Hoover 1936-4-30 1051 San Joaquin 2 miles north of Escalon. Comment
  RSA402012A  Orthocarpus erianthus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET12270168  Orthocarpus erianthus L. D. Thurman 1963-1 120 San Joaquin 2.1 mi E of Calaveras River bridge on state highway 8 Comment
  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
  RSA407964  Orthocarpus purpurascens E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SACT001624  Oryza sativa Malcolm Nobs, Herbert Mason 1948-10-2 San Joaquin 3 miles south of South Dos Palos at junction of HIghway 33. Escaped all along irrigation ditch. Comment
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Jun 23 2015
  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
  SBBG47343  Panicum capillare P. Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) 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
  UCD37052  Panicum capillare Beecher Crampton 1956-7-30 3743 San Joaquin San Joaquin County, 4.8 miles north of Farmington. Comment
  UCD89383  Panicum capillare Alan A. Beetle 1946-8-5 4410 San Joaquin 3 miles north of Lockford. Comment
  UCD54534  Panicum dichotomiflorum Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2715 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, E of Interstate 5, just E of South Union Rd. 15 Comment
  SEINET4670688  Panicum dichotomiflorum B. Crampton 1955-9-7 3153 San Joaquin 6.4 miles south of Thorton Comment
  UCD88656  Parapholis incurva Chandler Jensen 1957-4-25 s.n. San Joaquin Corral Creek, west of Tracy. Comment
  JEPS21853  Parvisedum pumilum Ina Graham 1958-4-19 48 San Joaquin 3 mi e of Clements (1/2 mi n of Route 12, pasture on McIntire Road); McIntire Road Comment
  JEPS91136  Parvisedum pumilum Dean W. Taylor 1990-4-11 10617 San Joaquin Goose Creek, on stony allvuial terraces in Section 19 70 Comment
  CDA2129  Paspalum dilatatum M. Inverso 1979-9-21 San Joaquin A. Curtis property, 1864 South Seider Avenue, Escalon. 0 Comment
  UC1101572  Paspalum dilatatum Malcolm A. Nobs and S. Galen Smith 1948-7-22 209 San Joaquin 2 mi n Manteca (irrigation canal) Comment
Read comments
Sep 17 2008
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UCD88754  Paspalum dilatatum R. F. Hoover 1937-6-10 2399 San Joaquin Escalon. Comment
  UCR232645  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 41 Comment
  UCR232673  Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18437 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253498  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20078 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  CAS-BOT-BC259740  Paspalum distichum Harriet A. Walker 1907-9-8 908 San Joaquin Sathrop 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
  UC604965  Pectocarya anisocarpa Roxana S. Ferris 1938-4-15 9398 San Joaquin near gravel pit at the mouth of Corral Hollow Comment
  UC766281  Pectocarya anisocarpa R. F. Hoover 1946-4-13 6078 San Joaquin lower end Corral Hollow Comment
  UC766193  Pectocarya linearis subsp. ferocula R. F. Hoover 1938-4-9 3043 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  JEPS68203  Pectocarya penicillata W. L. Jepson 1922-4-2 9592 San Joaquin Mount Hamilton Range, Coral Hollow, Castle Rock 182 Comment
  UC1601642  Pectocarya penicillata R. F. Hoover 1938-2-27 2798 San Joaquin Corral Hollow, Castle Rock Comment
  UC1745864  Pectocarya penicillata Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 789 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. Comment
  UC573072  Pectocarya penicillata H. L. Mason 1932-3-19 6835 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UC600982  Pectocarya penicillata Marjorie E. Olney 1938-3-6 48 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow Comment
  JEPS68234  Pectocarya setosa R. F. Hoover 1938-4-9 3042 San Joaquin <Hill between Castle Rock and Black Butte> Corral Hollow Comment
  UC766194  Pectocarya setosa Robert F. Hoover 1938-4-9 3042 San Joaquin between Castle Rock and Black Butte Corral Hollow 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
  UCD99070  Persicaria hydropiper G. F. Hrusa 1992-8-26 9548 San Joaquin Caswell Memorial State Park, Oxbow Lake. Comment
  CAS-BOT-BC418888  Persicaria hydropiperoides Brian Atwater 1978-8-24 BA- 106 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  CAS-BOT-BC418890  Persicaria hydropiperoides Ira L. Wiggins 1940-8-12 9532 a San Joaquin 1 mi. NW. of San Joaquin River bridge on U. S. Highway 50 Comment
  CAS-BOT-BC418891  Persicaria hydropiperoides John Thomas Howell 1929-9-21 4418 San Joaquin Holt Comment
  CAS-BOT-BC419064  Persicaria lapathifolia John Thomas Howell 1929-9-21 4416 San Joaquin Holt Comment
  CAS-BOT-BC419065  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt Comment
  UCD99488  Persicaria lapathifolia G. F. Hrusa; S. A. Wagner 1992-8-9 9357 San Joaquin Caswell Memorial State Park. On Stanislaus River below campgrounds. 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-BC419251  Persicaria maculosa L. R. Abrams 1920-9-30 7787 San Joaquin Near Banta Comment
  UCD99573  Persicaria maculosa G. F. Hrusa; S. A. Wagner 1992-7-8 9146 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  UCD99577  Persicaria maculosa P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons Ranch. Terminous. 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-BC419379  Persicaria punctata John Thomas Howell 1929-9-21 4415 San Joaquin Holt Comment
  CAS-BOT-BC419380  Persicaria punctata E. E. Stanford 1927-9-26 726 San Joaquin Stockton 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
  UCD99796  Persicaria punctata P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons Ranch. Terminous. Comment
  UC24367  Phacelia cicutaria F. W. Gunnison May 1896 San Joaquin Linden Comment
  CDA16212  Phacelia ciliata G. F. Hrusa 1998-4-26 14167 San Joaquin San Joaquin Valley; W of Tracy. between tracks & Schulte Rd, nr. Happy Hollow Rd. int. 0 Comment
  POM299077  Phacelia ciliata J. T. Howell 1929-3-27 4106 San Joaquin Four miles west of Tracy. Comment
  RSA21263  Phacelia ciliata Carl B. Wolf 1937-3-31 8377 San Joaquin San Joaquin Valley, 3 mi. e. of Tracy at junction with Vernalis Road. 8 Comment
  JEPS2245  Phacelia ciliata var. ciliata W. L. Jepson 1922-4-2 9593 San Joaquin Tracy Comment
  JEPS2262  Phacelia ciliata var. ciliata A. D. Tenney 1915-3-30 San Joaquin Tracy 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
  UC24472  Phacelia distans J. A. Sanford 1890-1 99 San Joaquin French Camp Comment
  UC615183  Phacelia distans Beryl O. Schreiber 1932-3-27 144 San Joaquin hill top near Midway Comment
  UC762055  Phacelia distans R. F. Hoover 1937-5-18 2182 San Joaquin near Lathrop Comment
  JEPS2341  Phacelia douglasii R. F. Hoover 1938-4-9 3037 San Joaquin Hill between Castle Rock and Black Butte (lower part of Corral Hollow); Corral Hollow Comment
  UC596134  Phacelia douglasii R. F. Hoover 1938-2-27 2800 San Joaquin Castle Rock Corral Hollow (type locality) Comment
  UC625442  Phacelia douglasii Frank W. Gould 1938-3-6 37 San Joaquin in vicinity of Castle Rock Corral Hollow 182 Comment
  UC767532  Phacelia douglasii R. F. Hoover 1938-4-9 3037 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  JEPS2785 Image available Phacelia douglasii var. petrophila W. L. Jepson 1922-4-2 9583 San Joaquin Castle Rock Mt. Hamilton Range, Corral Hollow; Castle Rock, Corral Hollow, Mt. Hamilton Rnage Comment
  UC596135  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC767516  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow 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
  UCD88332  Phalaris angusta A. A. Beetle 1942-4-9 2938 San Joaquin 10 miles W of Modesto, Rt. 99. Comment
  UCD88160  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Near Terminous. Lyons ranch. Comment
  CAS-BOT-BC265836  Phalaris arundinacea Brian Atwater 1978-8-22 BA- 73 a San Joaquin A meander of Middle River between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-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
  CDA2271  Phalaris arundinacea J. Solari 1962-5-9 San Joaquin Cerf Ranch, Holt district. 0 Comment
  RSA356908  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD88505  Phalaris arundinacea Beecher Crampton 1965-7-12 7455 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD88507  Phalaris arundinacea William N. Helphinstine 1967-11-8 s.n. San Joaquin Around Stockton. Comment
  CAS-BOT-BC259036  Phalaris lemmonii E. E. Stanford 1930-4-12 1284 San Joaquin Mariposa Rd. 16 mi. S.E. of 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
  POM356906  Phalaris lemmonii E. E. Stanford 1930-5-3 1466 San Joaquin Near Stockton Comment
  UC50716  Phalaris lemmonii F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UC708019  Phalaris lemmonii Charles V. Piper 1921-5-26 San Joaquin Stockton Comment
  SEINET10660259  Phalaris lemmonii E. E. Stanford 1930-5-3 Stanford 1466 San Joaquin Kettleman-Terminus Road. Wet places Comment
  CAS-BOT-BC265939  Phalaris minor E. E. Stanford 1927-4-21 172 San Joaquin Stockton, campus Comment
  POM146096  Phalaris minor E. E. Stanford 1927-4-21 172 San Joaquin Stockton; on campus. Comment
  SEINET3561052 Image available Phalaris minor Unknown 1945-4-22 s.n. San Joaquin Waysides near Stockton. Comment
  UC767847  Phalaris paradoxa R. F. Hoover 1935-6-12 643 San Joaquin Farmington 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
  JEPS1846  Pholistoma membranaceum W. L. Jepson 1922-4-2 9585 San Joaquin Corral Hollow w. San Joaquin Co., Mt. Hamilton Range, Corral Hollow 182 Comment
  UC6091  Phoradendron macrophyllum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  CAS-BOT-BC141056  Phoradendron serotinum subsp. macrophyllum E. E. Stanford 1930-3-30 1193 San Joaquin Near Bellota Comment
  UC6092  Phoradendron villosum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  HSC28471  Phragmites australis J. D. Ackerman, A. M. Montalvo 1973-12-20 125 San Joaquin Between Hwy. 4 and Middle River town. 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
  UCD89839  Phragmites australis P. B. Kennedy 1928-9-30 s.n. San Joaquin near Holt. Comment
  UCD89840  Phragmites australis P. B. Kennedy 1928-9-30 s.n. San Joaquin near Holt. Comment
  UC1618079  Phyla Donald G. Nelson 1939-6-9 106 San Joaquin s.e. Stockton (on the Mt. Diablo Base Line, junction of Austin Rd. & Little John Creek) Comment
  JEPS39035  Phyla caespitosa W. L. Jepson 1896-6-17 21233 San Joaquin Mossdale School, Lower San Joaquin River Comment
Read comments
Sep 26 2006
  CDA39033  Phyla nodiflora D. G. Kelch 2011-10-4 11 .838 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  CDA9729  Phyla nodiflora Jim Allan 2007-6-25 PDR# 1431930 San Joaquin Stockton; 1868 E. Hazelton. Comment
  UC25119  Phyla nodiflora Michener and Bioletti 1892-9-9 San Joaquin Lathrop 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
  RSA18620  Phyla nodiflora Carl B. Wolf 1937-6-10 8771 San Joaquin San Joaquin Valley, 8 mi S of Stockton on Manteca Road. -8 Comment
  CDA3315  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CDA3320  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  UCR128288  Picris echioides 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-BC76963  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt. 15 Comment
  JEPS13011  Pilularia americana Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5071 San Joaquin 2.2 mi w Calaveras Co. line (along State Hwy. 8, on 1st. rolling foothills of Sierra Nevada); Sierra Nevada foothills 53 Comment
  RSA25384  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt 16 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
  UC1540210  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin near n boundary Livermore National Laboratory, Site 300; Inner South Coast Ranges 304 Comment
  UC517460  Plagiobothrys acanthocarpus John Thomas Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  UC573058  Plagiobothrys acanthocarpus H. L. Mason 1932-3-19 6828 San Joaquin 2 mi e Midway (Tracy highway) Comment
  UC767640  Plagiobothrys arizonicus R. F. Hoover 1938-4-9 3038 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow 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
  RSA28027  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-12 6363 San Joaquin 3 miles south of Galt 16 Comment
  UC1051629  Plagiobothrys bracteatus Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1989 San Joaquin about 2 mi e Collegeville (on road toward Valley Home) Comment
  POM63833  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy. Comment
  UC766398  Plagiobothrys canescens R. F. Hoover 1938-4-9 3039 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC767006  Plagiobothrys canescens R. F. Hoover 1935-3-1 248 San Joaquin Vernalis Comment
  UC78029  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy Comment
  UCD96868  Plagiobothrys canescens Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6920 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
  JEPS68027  Plagiobothrys canescens W. L. Jepson 1922-4-2 9561 San Joaquin gravelly flat Mt. Hamilton Range, Corral Hollow 152 Comment
  RSA135449  Plagiobothrys fulvus var. campestris Volney Rattan 1885-06 s.n. San Joaquin Live Oaks. Comment
  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
  UC596229  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC766026  Plagiobothrys infectivus R. F. Hoover 1937-4-3 1744 San Joaquin lower end Corral Hollow Comment
  UCR62340  Plagiobothrys leptocladus 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
  UCR62341  Plagiobothrys leptocladus L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  UC24555  Plagiobothrys reticulatus J. A. Sanford 1890-1 337 San Joaquin Stockton Comment
  UC100846  Plagiobothrys shastensis F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC24570  Plagiobothrys stipitatus J. A. Sanford 1890-1 101 San Joaquin French Camp Comment
  UC78187  Plagiobothrys stipitatus C. F. Baker 1903-4-27 2788 San Joaquin Bethany Comment
  UC1063813  Plagiobothrys stipitatus var. micranthus R. D. Roseberry 1935-5-16 183 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC573149  Plagiobothrys stipitatus var. micranthus Herbert L. Mason 1928-5-3 4454 San Joaquin 4 mi n Clements Comment
  UC61141  Plagiobothrys stipitatus var. micranthus H. P. Fitch 1889-4-25 San Joaquin Stockton 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
  POM196213  Plagiobothrys stipitatus var. micranthus C. R. Quick 1929-4-6 s.n. San Joaquin Aviation Field, Stockton. Comment
  POM368956  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1930-5-3 1463 San Joaquin Elliot Rd near Elliot. Comment
  RSA80160  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1930-04 s.n. San Joaquin Northern part of the county. Comment
  UC571928  Plagiobothrys tenellus C. W. and H. K. Sharsmith 1935-3-3 1487 San Joaquin open hillslope at eastern end Corral Hollow; Mt. Hamilton Range 228 Comment
  UC59632  Plagiobothrys tenellus Mrs. Bush March, 1903 San Joaquin Lathrop Comment
  UC24574  Plagiobothrys trachycarpus J. A. Sanford 1890-1 100 San Joaquin French Camp Comment
  CHSC79271  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC596144  Plagiobothrys undulatus R. F. Hoover 1937-6-10 2398 San Joaquin 2 mi n Linden Comment
  UC767623  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
  UCD33074  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC28004  Plantago elongata J. A. Sanford 1890-1 116 San Joaquin Waverly 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
  JEPS6410  Plantago erecta W. L. Jepson 1922-4-2 9557 San Joaquin mouth of Corral Hollow, w San Joaquin County Mt. Hamilton Range 152 Comment
  RSA401996B  Plantago erecta E. E. Stanford 1930-4-5 1249 San Joaquin Hospital Canyon. Comment
  UCD124462  Plantago erecta June McCaskill; Jack Major 1958-4-10 553 San Joaquin north side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camanche). 60 Comment
  UCR235294  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2011-11-21 18477 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  UCD124359  Plantago lanceolata G. F. Hrusa 1992-8-26 9560 San Joaquin Caswell Memorial State Park. Comment
  UC28013  Plantago major J. A. Sanford 1890-1 333 San Joaquin Stockton Comment
  UC28019  Plantago major J. A. Sanford 1890-1 62 San Joaquin Stockton Comment
  UC1212071  Plantago truncata subsp. firma S. G. Smith, H. L. Mason, and D. Stone 1957-5-24 2942 San Joaquin 0.5 mi w Calaveras Co. line (Highway 8) 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
  RSA0004642  Platystemon arvorum C. F. Baker 1903-4-25 3199 San Joaquin Tracy. Comment
  CAS-BOT-BC91960  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin 0.5 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC91963  Platystemon californicus Alice Eastwood; John Thomas Howell 1935-4-7 2098 San Joaquin East end of Corral Hollow. Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  RSA445722  Platystemon californicus var. californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles SE of Stockton Comment
  UCD33072  Pleuropogon californicus Beecher Crampton 1966-5-3 7683 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  CDA32715  Pluchea odorata P. Akers 2009-9-9 PDR# 1286189 San Joaquin At water s edge of a channel of old San Joaquin River. Approximately 8.5 miles northwest of Stockton and 3 miles east of Tinsley Island. 0 Comment
  UC571025  Pluchea odorata var. odorata H. L. Mason 1929-9-9 5419 San Joaquin Holt Comment
  RSA484179  Poa annua C. R. Quick 1929-3-18 s.n. San Joaquin Campus, Stockton Comment
  CDA2382  Poa bulbosa F. M. Newhall 1967-3-31 San Joaquin Clements Stampede Grounds, Clements. 0 Comment
  CAS-BOT-BC254652  Poa douglasii J. W. Congdon 1889-8-31 s.n. San Joaquin Stockton Comment
  SEINET10602238  Poa nevadensis Charles F. Baker 1903-4-25 Baker 2776 San Joaquin Tracy, Ca. Large tufts in bottoms. Comment
  CAS-BOT-BC247260  Poa palustris E. E. Stanford 1927-4-27 200 San Joaquin Louis Park. On San Joaquin River banks Comment
  POM204944  Poa secunda E. B. Copeland 1903-4-25 2776 San Joaquin Tracy Comment
  CAS-BOT-BC236340  Poa secunda subsp. secunda Alice Eastwood; John Thomas Howell 1935-4-7 2092 San Joaquin E end of Corral Hollow Comment
  UC769900  Poa secunda subsp. secunda R. F. Hoover 1935-3-18 370 San Joaquin w Ripon (San Joaquin River bridge) Comment
  UC762121  Pogogyne douglasii Robert F. Hoover 1935-6-12 647 San Joaquin Farmington Comment
  UC573475  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin two miles southwest of Wallace 121 Comment
  UC883698  Pogogyne zizyphoroides C. L. Hitchcock 1940-5-12 6361 San Joaquin 3 miles south of Galt 15 Comment
  UC6640  Polygonum amphibium J. A. Sanford 1890-1 San Joaquin Stockton Comment
  UC1035807  Polygonum amphibium var. emersum Annie M. Alexander and Louise Kellogg 1943-6-26 3455 San Joaquin Middle River Bridge San Joaquin Valley, San Joaquin River (Byron-Stockton hwy) Comment
  UC1192337  Polygonum amphibium var. emersum Herbert L. Mason 1928-9-30 4968 San Joaquin near Holt; San Joaquin Delta Comment
  UC6644  Polygonum amphibium var. stipulaceum J. A. Sanford 1890-1 77 San Joaquin Holden Comment
  POM147787  Polygonum amphibium var. stipulaceum E. E. Stanford 1927-9-26 717 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  RSA464434  Polygonum aviculare C. R. Quick 1929-4-22 s.n. San Joaquin Campus, Stockton, San Joaquin County Comment
  UC466072  Polygonum aviculare Katharine Brandegee Aug. 1907 San Joaquin near Lathrop; San Joaquin Bridge Comment
  UCR194985  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2007-10-13 13081 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD100086  Polygonum aviculare subsp. depressum G. F. Hrusa 1992-8-26 9557 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC414349  Polygonum californicum Mrs. H. C. Cantelow 1935-5-14 826 San Joaquin Bet. Lodi and San Andreas Comment
  CDA22799  Polygonum hydropiper J. F. Silva 1957-10-9 San Joaquin Escalon. 0 Comment
  CDA2785  Polygonum hydropiper J. F. Silva 1957-10-9 395 -57 San Joaquin Escalon. 0 Comment
  UC1101163  Polygonum lapathifolium Herbert L. Mason 1929-9-21 5440 San Joaquin Holt Alkaline Grasslands of San Joaquin Valley Comment
  UC421692  Polygonum lapathifolium John Thomas Howell 1929-9-21 4416 San Joaquin Holt; bordering slough Comment
  UCR128286  Polygonum lapathifolium 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
  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
  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
  JEPS74999  Polygonum punctatum L. R. Heckard and P. Rubtzoff 1971-9-15 2805 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  JEPS77906  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  JEPS77907  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  POM147783  Polygonum punctatum E. E. Stanford 1927-9-26 725 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  CDA22849  Polygonum punctatum var. leptostachyum M. Switzenberg 1958-9-24 San Joaquin Hale Ranch, Highway 120, west of Seidner Avenue. 0 Comment
  SEINET3561874 Image available Polypogon interruptus P. O. Schallert 1945-5-6 C 253 San Joaquin Near Stockton. Comment
  CAS-BOT-BC232554  Polypogon monspeliensis E. E. Stanford 1926-10-23 80 San Joaquin Stockton. On campus Comment
  CDA18891  Polypogon monspeliensis J. Allan 1999-5-6 PDR 996420 San Joaquin San Joaquin Valley; At base of levee in the vicinity of Tracy. 0 Comment
  UC964751  Polypogon monspeliensis R. F. Hoover 1940-12-7 4711 San Joaquin 2 mi e Midway Comment
  UCD91324  Polypogon monspeliensis G. F. Hrusa; S. A. Wagner 1992-7-8 9152 San Joaquin Caswell Memorial State Park. Comment
  UCR128230  Polypogon monspeliensis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  CAS-BOT-BC102642  Populus fremontii Peter H. Raven; R. Ornduff; et al. 1957-3-30 10557 San Joaquin Corral Hollow Comment
  POM360780  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon. 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
  UCD138249  Potamogeton crispus G. F. Hrusa; S. A. Wagner 1992-8-9 9345 San Joaquin Caswell Memorial State Park. Comment
  UC1099854  Potamogeton illinoensis Herbert L. Mason, Verne Grant 1946-8-21 13069 San Joaquin sw of Holt; Trapper's Slough Comment
  CDA36300  Potamogeton nodosus Ed Finley, Mark Lubinski 1988-9-24 San Joaquin Throughout Delta. 0 Comment
  UC60854  Potamogeton nodosus J. A. Sanford 370 San Joaquin West Stockton Comment
  UC60855  Potamogeton nodosus J. A. Sanford 353 San Joaquin Stockton Comment
  UC60856  Potamogeton nodosus J. A. Sanford 52 San Joaquin West Stockton Comment
  JEPS40573  Potentilla rivalis F. T. Bioletti Apr 1892 San Joaquin Tracy Comment
  JEPS44167  Potentilla rivalis F. T. Bioletti Apr 1892 San Joaquin Tracy Comment
  UCR66577  Potentilla rivalis E. E. Stanford 1930-5-2 1456 San Joaquin Empire Tract Comment
  JEPS4929  Proboscidea louisianica subsp. louisianica Roxana S. Ferris and R. Bacigalupi 1951-8-25 12445 San Joaquin roadside ditch on State Hwy 4 4 mi from junction with U.S. Highway 99 (betw. Stockton and Farmington) Comment
  JEPS97694  Proboscidea louisianica subsp. louisianica Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1329 San Joaquin Between Clements & Lockford. Comment
  UC1745889  Proboscidea louisianica subsp. louisianica Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1329 San Joaquin Between Clements & Lockford. Comment
  UC1039795  Proboscidea lutea Herbert L. Mason 1929-9-9 5429 San Joaquin Holt; reclaimed delta lands Comment
  UCR201942  Proboscidea lutea George K. Helmkamp, E. A. Helmkamp 2008-10-9 14240 San Joaquin San Joaquin Valley, Dogtown, c. 12 miles NE of Lodi, Collier Road at Mackville Road, 1.1 miles west of CA-88 37 Comment
  UCR232681  Proboscidea lutea George K. Helmkamp, E. A. Helmkamp 2011-10-15 18438 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  SJSU1705  Prosopis glandulosa var. torreyana C. W. Sharsmith 1955-9-11 6294 San Joaquin Corral Hollow Comment
  CDA27765  Prosopis juliflora var. torreyana A. R. Tugel 1938-6-23 San Joaquin Railroad tracks near Tracy. 0 Comment
  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
  UCD135207  Pseudognaphalium stramineum A. S. Crafts 1926-7-24 504 San Joaquin between Manteca and Merced. 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
  JEPS40456  Psilocarphus brevissimus var. brevissimus W. L. Jepson 1937-4-23 18009 San Joaquin on Farmington Road c 5 mi se Stockton Comment
  JEPS40491  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1937-4-23 1923 San Joaquin 7 mi e Stockton Comment
  UC1070080  Psilocarphus brevissimus var. brevissimus R. D. Roseberry 1935-5-15 181 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  CAS-BOT-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
  UCR80875  Psoralea macrostachya G. Fred Hrusa, S. A. Wagner 1992-7-8 9178 San Joaquin Caswell Memorial State Park. Comment
  UC768472  Pterostegia drymarioides R. F. Hoover 1938-4-9 3046 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  CAS-BOT-BC86615  Quercus douglasii E. E. Stanford 1930-4-5 1214 San Joaquin Hospital Canyon Comment
  HSC8271  Quercus douglasii D. A. Shally 1965-4-10 8 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA604703  Quercus douglasii Louis C. Wheeler 1952-9-29 6997 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CDA22095  Quercus kelloggii J. B. Gianelli 1982-4-15 San Joaquin Road to Mount Boardman, 300 feet from Stanislaus county line. 0 Comment
  CAS-BOT-BC61616  Quercus lobata J. Bridgaman 1844-6-9 s.n. San Joaquin Dunham Ferry Comment
  SEINET6073857  Quercus lobata E. E. Stanford 1927-9-22 710 San Joaquin Stockton. Comment
  UCD47110  Quercus palustris D. Q. Cavagnaro 1963-10-13 219 San Joaquin In ca. 1 mile long line of this species on south side of State Highway 12, outskirts of Lodi, San Joaquin County, California. Comment
  UCD47111  Quercus palustris D. Q. Cavagnaro 1963-10-13 220 San Joaquin In ca. 1 mile long line of trees of this species on south side of State Highway 12, outskirts of Lodi, San Joaquin County, California. Comment
  UCR143145  Quercus wislizeni L. S. Rose 1936-3-16 36023 San Joaquin Central Valley, Lockeford [NE of Lodi] 61 Comment
  CDA25741  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13090 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  RSA654061  Ranunculus alveolatus Beecher Crampton 1966-5-3 7687 San Joaquin 7 3/4 miles NNE of Lodi, intersection of Liberty and Bruella roads. 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
  UCR136764  Ranunculus californicus E. E. Stanford 1929-3-30 1021 San Joaquin San Joaquin Valley, Near Stockton 30 Comment
  SEINET9286721  Ranunculus californicus Unknown 1992-4-8 9095 San Joaquin Caswell Memorial State Park Comment
  UCD95946  Ranunculus californicus G. F. Hrusa; S. A. Wagner 1992-4-8 9095 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC378945  Ranunculus californicus var. californicus 1927-3-24 119 San Joaquin Stockton Comment
  UC69595  Ranunculus canus var. canus J. A. Sanford San Joaquin Comment
  POM196310  Ranunculus muricatus E. E. Stanford 1928-4-7 873 San Joaquin Knight's Ferry. 61 Comment
  CDA25632  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13087 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR253608  Raphanus sativus George K. Helmkamp 2014-3-18 22578 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
  HSC6885  Raphanus sativus D. A. Shally 1965-4-10 7 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA431505  Raphanus sativus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET11261079  Raphanus sativus Virginia Alexson 1964-6-18 41 San Joaquin Three miles north of Stockton.; 0 Comment
  CDA25522  Ribes aureum T. C. Fuller 1962-4-24 8216 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCD102111  Ribes aureum G. F. Hrusa; S. A. Wagner 1992-3-22 9063 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC92421  Ribes aureum var. gracillimum Peter Rubtzoff 1965-4-6 5519 San Joaquin Garden Road 0.5 mile south of Division Road (Tracy-Ripon area). Comment
  CAS-BOT-BC92422  Ribes aureum var. gracillimum John Thomas Howell 1938-4-10 13760 San Joaquin Hospital Canyon. Comment
  SBBG41738  Ribes aureum var. gracillimum P. Rubtzoff 1965-4-6 5519 San Joaquin Garden Rd, 0.5 mi S of Division Rd (Tracy-Ripon area) Comment
  CDA25559  Ribes malvaceum T. C. Fuller 1971-4-22 19847 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 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
  RSA0024562  Ribes quercetorum Carl B. Wolf 1937-3-31 8405 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  JEPS13212  Rorippa curvisiliqua Rimo Bacigalupi with G. T. Robbins 1955-5-5 4993 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters); sw of Peters 25 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
  CDA25119  Rorippa curvisiliqua R. D. Greek, K. W. Brown 1977-4-27 San Joaquin South shore Lake Camanche. 0 Comment
  UC10736  Rorippa nasturtium-aquaticum J. A. Sanford 1890-1 33 San Joaquin Stockton Comment
  JEPS53863  Rorippa palustris Harriet A. Walker 1907-9-8 903 San Joaquin Lathrop Comment
  JEPS75002  Rorippa palustris L. R. Heckard and P. Rubtzoff 1971-9-15 2804 San Joaquin ca 7 mi s.w. Manteca (along Airport Way 2.6 mi s. of junction of West Ripon Rd.) Comment
  CAS-BOT-BC147610  Rosa californica John Thomas Howell 1930-9-28 5510 San Joaquin Near Holt on the Borden Highway Comment
  UC114693  Rosa californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge 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
  UC66824  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UCD89029  Rubus ursinus Lindsay Clark 2008-5-8 CSP 22 San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station, about 20 yards northwest of bathroom. 31 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
  JEPS58036  Rumex W. L. Jepson 1913-11-22 5699 San Joaquin Middle River San Joaquin Delta Comment
  CAS-BOT-BC422290  Rumex californicus E. E. Stanford 1927-5-26 436 San Joaquin Stockton Comment
  UC465804  Rumex conglomeratus J. A. Sanford 46 San Joaquin Comment
  UC6938  Rumex conglomeratus J. A. Sanford 1890-1 27 San Joaquin Stockton Comment
  CAS-BOT-BC421723  Rumex conglomeratus John Thomas Howell 1930-9-28 5521 San Joaquin Holt Comment
  UCD101100  Rumex conglomeratus G. F. Hrusa; S. A. Wagner 1992-7-8 9147 San Joaquin Caswell Memorial State Park. Along riverbank to the west of the campgrounds. Comment
  OBI37082  Rumex crispus Debbie Sperry 1983-11-11 6 San Joaquin Just outside of Stockton-corner of Davis and Eight Mile Rds Comment
  UC6965  Rumex dentatus J. Burtt Davy 1893-9-13 1195 San Joaquin Stockton Comment
  CAS-BOT-BC433494  Rumex fueginus Peter Rubtzoff 1965-7-27 5585 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  CDA2889  Rumex obtusifolius T. C. Fuller 1958-9-3 1196 -58 San Joaquin 0.1 miles west of Farmington. 0 Comment
  UC935759  Sagittaria latifolia Herbert L. Mason 1928-9-30 4960 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta near Holt Comment
  UC935760  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 693 San Joaquin 1/4 mi w Stockton Comment
  CAS-BOT-BC445814  Sagittaria montevidensis Ira L. Wiggins 1934-7-28 6940 San Joaquin 3.2 miles east of Escalon Comment
  UC935751  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-8-21 13057 San Joaquin between Banta and Stockton Comment
  SEINET8470474 Image available Sagittaria montevidensis subsp. calycina Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 miles east of Escalon Comment
  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
  UC549  Sagittaria sanfordii J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  POM196032  Salix alba E. E. Stanford 1929-3-26 1019 San Joaquin San Joaquin River. Comment
  CAS-BOT-BC129664  Salix bonplandiana Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10555 San Joaquin Corral Hollow Comment
  CAS-BOT-BC129665  Salix bonplandiana E. E. Stanford 1928-3-20 830 San Joaquin Near Peters 45 Comment
  POM196033  Salix exigua E. E. Stanford 1929-3-21 1017 San Joaquin Stockton. Levee, Calaveras 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
  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
  UC1134898  Salix exigua var. hindsiana R. D. Roseberry 1935-5-13 162 San Joaquin Mokelmune R., Plot #118 Jackson Quadrangle 60 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
  POM196336  Salix gooddingii E. E. Stanford 1928-5-12 1016 San Joaquin Sacramento Road. Near Sacramento Co Line. 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-BC108240  Salix hindsiana E. E. Stanford 1927-4-20 166 San Joaquin Near Stockton, along Calaveras River 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
  CAS-BOT-BC108243  Salix hindsiana Ira L. Wiggins 1964-5-26 19017 San Joaquin Beside old channel of San Joaquin River, between Tracy and Manteca 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
  POM196285  Salix laevigata E. E. Stanford 1928-3-29 836 San Joaquin Calaveras River. Stockton. Comment
  POM213969  Salix laevigata H. F. Copeland 1935-4-28 s.n. San Joaquin S fork of Mokelumne River. Comment
  UCR63938  Salix laevigata L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC125358  Salix lasiandra var. lasiandra E. G. Dudley 1912-8-20 19 San Joaquin [Heiss] Heitz Meadow near Rube Creek, South Fork of San Joaquin River Comment
  CAS-BOT-BC125359  Salix lasiandra var. lasiandra E. E. Stanford 1929-3-26 1020 San Joaquin Stockton, Levee, San Joaquin River Comment
  POM146136  Salix lasiolepis E. E. Stanford 1927-2-28 94 San Joaquin Stockton. Calaveras River. Comment
  POM281348  Salix lasiolepis Lyman D. Benson 1932-2-22 2594 San Joaquin Walnut Grove. N fork Mokelumne River. Near sea level. 0 Comment
  UC499335  Salix lasiolepis Annetta M. Carter 1933-3-12 267 San Joaquin 0.8 mi sw Holt (by slough) Comment
  UC499337  Salix lasiolepis Annetta M. Carter 1933-3-12 269 San Joaquin 0.5 mi sw Holt (by slough) Comment
  CAS-BOT-BC107384  Salix lasiolepis var. lasiolepis E. E. Stanford 1928-2-19 780 San Joaquin Near Stockton, near Calaveras River Comment
  CDA17063  Salsola australis G. F. Hrusa, P. Akers 2003-10-1 16134 San Joaquin San Joaquin Valley; Hwy 33 app. 1/2 mi. S of I-5 Vernalis exit. 22 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
  CDA9301  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18529 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA20621  Salsola tragus G. F. Hrusa 2005-11-14 16840 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  CDA20808  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. at bridge just S of 8 Mile Rd. 0 Comment
  CDA20809  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Roadside colony at bridge just S of 8 Mile Rd. Annual, 3 ft. tall and as wide. Seed collection voucher RT05-24a. 0 Comment
  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
  RSA17958  Salsola tragus C. B. Wolf 1927-6-24 s.n. San Joaquin 3 miles west of Manteca Comment
  SD243327  Salsola tragus G. F. Hrusa 2005-11-14 16842 San Joaquin Davis Road. A+- 200 ft South of 8 Mile Road, E of Interstate 5 A+- 1.5 mile. 7 Comment
  UCR247342  Salsola tragus Pat Akers 2002-10-9 RT- 020 -01 San Joaquin Just west if I-5 on 8 mile Rd., 10 miles NW of Stockton -1 Comment
  CAS-BOT-BC180690  Salsola tragus E. E. Stanford 1930-5-28 1527 San Joaquin Lincoln Highway near French Camp 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
  JEPS97684  Salvia carduacea Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 787 San Joaquin Near Castle Rock. 19 mi. from Livermore on Tesla Rd. Comment
  UC762495  Salvia carduacea R. F. Hoover 1938-4-9 3052 San Joaquin lower end Corral Hollow Comment
  CAS-BOT-BC474712  Salvia hispanica Franz R. Kegel 1976-12-1 s.n. San Joaquin Stockton Comment
  CAS-BOT-BC233281  Salvia mellifera Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10565 San Joaquin 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
  POM264781  Sanicula bipinnata Lincoln Constance 1941-4-19 2806 San Joaquin Corral Hollow, 1 mile North of Castle Rock 320 Comment
  CAS-BOT-BC223226  Sanicula bipinnatifida Volney Rattan 1885-3-1 s.n. San Joaquin Live Oaks Comment
  UC765486  Sanicula bipinnatifida R. F. Hoover 1935-3-16 349 San Joaquin Farmington Comment
  UCD127975  Sanicula crassicaulis Fleming 1929-4-18 s.n. San Joaquin Woodbridge. Comment
  UC2043150  Schismus arabicus Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12450 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Pit 6 Study Area near Drop Tower, head of gulch opposite Carnegie State Vehicular Recreation Area. Comment
  CAS-BOT-BC111295  Schoenoplectus acutus var. occidentalis Ernest Elwood Stanford 1927-5-26 431 San Joaquin Stockton. In sand in Calaveras River bottom. Comment
  CAS-BOT-BC110878  Scirpus microcarpus Brian Atwater 1978-8-16 BA- 33 San Joaquin Old River between Quinby Island and Franks Tract Comment
  RSA483307  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  RSA582100  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  SEINET10602608  Scribneria bolanderi E. E. Stanford 1930-12-4 Stanford 1282 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton. Roadsides; out of range according to Jepson. Comment
  CAS-BOT-BC419677  Scutellaria galericulata Brian Atwater 1978-8-22 BA- 74 San Joaquin Between Victoria Island and Upper Jones Tract Comment
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Jul 22 2018
  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
  CDA2408  Secale cereale T. C. Fuller 1969-5-2 18477 San Joaquin South side of Lathrop Road, 0.1 mile west of Union Road, 2 miles east of Lathrop. 0 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
  CDA34401  Sesbania punicea E. Finley 1989-6-14 PDR 784224 San Joaquin Stockton Deep Water channel. 0 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
  UC1745567  Sesuvium verrucosum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 681 San Joaquin Holt. Comment
  UCD69390  Sesuvium verrucosum J. Wycoff 1997-8-1 s.n. San Joaquin North of the city of Modesto, east of hwy 99, near the intersection of Dodds and Van Allen roads, agricultural fields of Faria Dairy. Comment
  JEPS68543  Setaria pumila W. L. Jepson 1923-10-22 10276 San Joaquin Lower San Joaquin, Union Isl. Comment
  SEINET3821612 Image available Setaria pumila George K. Helmkamp, E. A. Helmkamp 2011-10-15 18433 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. (Linden 7.5' Q) 40 Comment
  UC1100460  Setaria pumila Herbert L. Mason 1946-9-12 13127 San Joaquin slough s. of main ditch, Borden Hwy., near Dagget Rd., Roberts Isl. Roberts Isl. Comment
  UCR253541  Setaria sphacelata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20084 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-BC240163  Setaria verticillata M. K. Bellue 1938-1-1 s.n. San Joaquin Near Lodi Comment
  RSA115225  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin Calaveras River basin, 2 miles NE of Linden, San Joaquin County Comment
  UCD92813  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin 2 miles northeast of Linden, Calaveras River Basin. Comment
  UCD92814  Setaria verticillata Beecher Crampton 1956-7-31 3761 San Joaquin 1.5 miles south of city of Lodi, along State Highway 12. Comment
  CAS-BOT-BC240205  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Along State Hwy. 12 about 5 miles southwest of Lodi Comment
  SEINET246026 Image available Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi Comment
  UCD38670  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Comment
  UC421572  Sibara virginica John Thomas Howell 1930-4-12 4684 San Joaquin on road to Stockton 7 mi from Escalon; 7 mi from Escalon Comment
  UC18882  Sidalcea glaucescens J. A. Sanford 1890-1 426 San Joaquin Comment
  JEPS12799  Sidalcea hirsuta Rimo Bacigalupi with G. T. Robbins 1955-5-5 5001 San Joaquin 1 1/2 mi s Peters (along road to Farmington, ditch near Peters Dump); s of Peters, along road to Farmington 33 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
  CAS-BOT-BC386889  Silene gallica Gladys L. Smith 1959-5-1 1062 San Joaquin near Wallace, Hwy. 12 60 Comment
  CAS-BOT-BC386890  Silene gallica E. E. Stanford 1930-4-26 1440 San Joaquin Wheatland Rd. Comment
  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
  UCD115749  Sisymbrium officinale M. I. Wibawa; G. F. Hrusa, J. Naughton 2002-5-15 205 San Joaquin California: San Joaquin Valley, Coyote Creek, on Dustin Road, 0.1 mile north of Liberty Road, near Acampo. 7 Comment
  UCR238408  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2012-4-7 18723 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UC21391  Sium suave Edw. L. Greene 1890-1 San Joaquin Stockton Comment
  UC26219  Solanum americanum J. A. Sanford 1890-1 386 San Joaquin Stockton Comment
  UCD126007  Solanum americanum G. F. Hrusa; S. A. Wagner 1992-4-22 9247 San Joaquin Caswell Memorial State Park. Comment
  CDA5927  Solanum americanum T. Gantenbein 1993-8-19 San Joaquin Staten Island. 0 Comment
  CDA5918  Solanum aviculare Jackson 1958-5-13 376 -58 San Joaquin Stockton. 0 Comment
  POM146109  Solanum physalifolium var. nitidibaccatum E. E. Stanford 1926-10-5 12 San Joaquin Stockton. On campus. 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-BC156839  Solanum umbelliferum E. E. Stanford 1930-4-5 1220 San Joaquin Hospital Canyon Comment
  UCR201922  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14235 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
  RSA474116  Sonchus oleraceus R. Reynolds 1927-10-13 48 San Joaquin Stockton Comment
  UCD92635  Sorghum halepense Collector Unknown 1922-3-30 s.n. San Joaquin Stockton. Comment
  UCD92665  Sorghum halepense G. F. Hrusa; S. A. Wagner 1992-8-9 9365 San Joaquin Caswell Memorial State Park. 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
  RSA383727  Sparganium eurycarpum E. E. Stanford 1930-5-13 1482 San Joaquin Roberts Island. Comment
  UCD99165  Spergula arvensis G. F. Hrusa; S. A. Wagner 1992-4-22 9283 San Joaquin Caswell Memorial State Park. Comment
  UC767173  Spergula arvensis subsp. arvensis Robert F. Hoover 1935-3-16 344 San Joaquin Farmington Comment
  UCR232267  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17079 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  CAS-BOT-BC390242  Spergularia macrotheca var. leucantha J. W. Congdon 1893-4-30 s.n. San Joaquin Sathrop 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
  CAS-BOT-BC390748  Spergularia marina E. E. Stanford 1930-5-12 1479 San Joaquin Robert's Island 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
  RSA0097696  Spergularia salina Flossie Draper 1928-4-26 157 San Joaquin Campus, Stockton. Comment
  RSA135331  Spiranthes porrifolia Volney Rattan 1885-6-5 s.n. San Joaquin Mokelumne Ditch, Rattans Ranch. Comment
  RSA582097  Sporobolus airoides E. E. Stanford 1930-5-31 1539 San Joaquin Durham Ferry Road. Comment
  UCD93035  Sporobolus airoides Beecher Crampton 1960-8-9 5773 San Joaquin 7.5 miles W of Ripon, along Durham Ferry Road. Comment
  SEINET10603339  Sporobolus airoides E. E. Stanford 1930-5-31 Stanford 1539 San Joaquin Durham Ferry Road; roadsides in alkaline soil. Comment
  SEINET239015 Image available Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles north of Lodi on Hwy 99 Comment
  CAS-BOT-BC235469  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin S. side of Mariposa Rd., 0.1 mi. w. of Dodds Rd., 4 mi. n.w. of Escalon Comment
  UCD93142  Sporobolus indicus R. S. Baskett 1971-8-9 s.n. San Joaquin Dayton Johnson place, 1.5 miles S of US Hwy. 88 and 1/4 mile W of Atkins Road, ca. 2 miles SW of Clements. Comment
  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
  UCD93167  Sporobolus indicus J. F. Silva 1963-7-25 s.n. San Joaquin Ca. 5 miles NE of Escalon. Geo. Stockton prop., Grooms Road. Comment
  RSA446591  Stachys ajugoides E. E. Stanford 1930-5-5 1538 San Joaquin Durham Ferry Road. Comment
  UC25914  Stachys ajugoides var. ajugoides J. A. Sanford 1890-1 2 San Joaquin Stockton Comment
  POM204459  Stachys albens J. T. Howell 1933-7-20 11448 San Joaquin 2 miles nw. of Lathrop bridge on San Joaquin River. Comment
  UC635689  Stachys albens H. L. Mason 1929-9-9 5427 San Joaquin Holt Comment
  CDA41028  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
  SEINET3558079 Image available Stachys albens Lewis S. Rose, John T. Howell 1933-7-19 33302 San Joaquin 2 miles northwest San Joaquin River bridge, 3 miles from Lathrop. Comment
  POM196212  Stellaria media C. R. Quick 1929-2-20 s.n. San Joaquin Campus, Stockton. Comment
  RSA18939  Stellaria media Roxana S. Ferris 1938-4-15 9399 San Joaquin Near gravel pit at the mouth of Corral Hollow. 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
  CAS-BOT-BC393869  Stellaria media E. E. Stanford 1927-3-29 127 San Joaquin Stockton Comment
  UCD99421  Stellaria media G. F. Hrusa; S. A. Wagner 1992-3-21 9074 San Joaquin Caswell Memorial State Park; with the campground and picnic areas. Comment
  UCD162349  Stellaria neglecta Chuck Hughes 2015-1-28 415 San Joaquin Vacant lot fronting Boeing Way. 8 Comment
  CAS-BOT-BC395081  Stellaria nitens Volney Rattan 1886-3-17 s.n. San Joaquin on the Mokelumne River Live Oaks Comment
  UC217675  Stephanomeria virgata subsp. pleurocarpa Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  POM149332  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany, San Joaquin County Comment
  SBBG96655  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany Comment
  RSA135312  Suaeda moquinii Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  UC1041028  Suaeda moquinii J. W. Congdon 1887-8-26 San Joaquin Lathrop Comment
  SJSU11815  Symphyotrichum lanceolatum var. hesperium E. D. Show 1971-11-20 169 San Joaquin bank of irrigation ditch 2 mi N of Escalon 36 Comment
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Aug 21 2007
  CAS-BOT-BC98597  Symphyotrichum lentum L. R. Abrams 1920-9-30 7788 San Joaquin Near Banta Comment
  CAS-BOT-BC98599  Symphyotrichum lentum E. E. Stanford 1926-10-5 27 San Joaquin West soil along Calaversa River banks - Stockton Comment
  UC29903  Symphyotrichum spathulatum J. Burtt Davy 1893-11-13 1176 San Joaquin Stockton Comment
  JEPS31949  Symphyotrichum subulatum W. L. Jepson 1923-10-22 10273 San Joaquin Union Island Lower San Joaquin River, Union Island Comment
  JEPS82224  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Rd, 3.7 mi e of San Joaquin River Bridge Maze Blvd. 12 Comment
  CAS-BOT-BC98287  Symphyotrichum subulatum var. parviflorum L. R. Abrams 1917-9-14 6744 San Joaquin 4 miles north of Stockton, Stockton-Sacramento Road Comment
  CAS-BOT-BC98288  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  CAS-BOT-BC98290  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  UCD134157  Symphyotrichum subulatum var. parviflorum G. F. Hrusa; S. A. Wagner 1992-8-9 9350 San Joaquin Caswell Memorial State Park. Western part of park. Comment
  JEPS31823  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9576 San Joaquin Corral Hollow Comment
  JEPS31826  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9560 San Joaquin Corral Hollow Mt. Hamilton Range Comment
  CAS-BOT-BC66605  Thysanocarpus curvipes Volney Rattan Mar 15 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66610  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66613  Thysanocarpus curvipes Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks. Comment
  JEPS18192  Thysanocarpus curvipes Rimo Bacigalupi with Carter, Chisaki, Tavares, and L. Mason 1956-4-5 5579 San Joaquin about 1.5 mi n of the Corral Hollow road in the first side canyon 0.45 mi to the ne of the Alameda-San Joaquin Co. line off Corral Hollow; first side canyon off of Corral Hollow 396 Comment
  UC1055820  Thysanocarpus curvipes Frank W. Gould 1940-3-12 882 San Joaquin opposite Castle Rock (Corral Hollow); Mt. Hamilton Range, , oppos Castle Rovk 198 Comment
  UC765047  Thysanocarpus curvipes R. F. Hoover 1938-2-27 2801 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  UCD115952  Thysanocarpus curvipes June McCaskill; Jack Major 1958-4-10 552 San Joaquin North side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camance). 60 Comment
  JEPS54223  Thysanocarpus radians W. L. Jepson 1929-4-28 15200 San Joaquin Clements , ne of Red Hills (ne of Red Hills) 60 Comment
  UC11050  Thysanocarpus radians A. W. Gunnison Apr, 1896 San Joaquin Linden Comment
  UCR232266  Thysanocarpus radians George K. Helmkamp, E. A. Helmkamp 2011-3-12 17078 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  CAS-BOT-BC67263  Thysanocarpus radians W. P. Steinbeck 1923-5-9 s.n. San Joaquin Near Clements. Comment
  RSA0041648  Thysanocarpus radians Russell S. Woglum 1941-4-27 2982 San Joaquin Lodi. Comment
  UCD33918  Thysanocarpus radians Beecher Crampton 1975-4-16 9142 San Joaquin 5 miles NNE of Lockeford along Liberty Road. Comment
  UC662466  Trachelium caeruleum Ruth Hoerl July, 1941 San Joaquin 1128 South Stanislaus Street, Stockton. Comment
  CDA25234  Tribulus terrestris G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13094 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR194983  Tribulus terrestris George K. Helmkamp, E. A. Helmkamp 2007-10-13 13094 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  SEINET3479121  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley, San Joaquin Valley Comment
  UCD107400  Tribulus terrestris G. F. Hrusa 1992-8-26 9522 San Joaquin Caswell Memorial State Park. Comment
  UC36663  Trichocoronis wrightii var. wrightii F. T. Bioletti 1892-9-9 San Joaquin Lathrop 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
  OBI43825  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin Along Hwy I-5, 0.7 mi N of the Hospital Crk bridge and 2.2 I N of the Stanislaus Co line 76 Comment
  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
  SD124860  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin Along Highway I-5, 0.7 mile north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus Co. line. 75 Comment
  UCR45223  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  RSA18941  Trifolium albopurpureum Roxana S. Ferris 1938-4-15 9395 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  UC596561  Trifolium albopurpureum var. dichotomum R. F. Hoover 1938-4-9 3048 San Joaquin lower end Corral Hollow Comment
  SEINET3524115 Image available Trifolium amplectens Lewis S. Rose 1938-4-26 38205 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  SJSU7999  Trifolium ciliolatum H. B. Heisinger 1956-4-22 San Joaquin c. 28 mi E of Stockton Comment
  RSA201402  Trifolium depauperatum var. amplectens Roxana S. Ferris 1938-4-15 9425 San Joaquin Corral Hollow-Livermore Road. Comment
  JEPS65729  Trifolium depauperatum var. truncatum W. L. Jepson 1929-4-28 15204 San Joaquin Clements 60 Comment
  POM146122  Trifolium depauperatum var. truncatum E. E. Stanford 1927-3-24 120 San Joaquin Stockton. Comment
  UCD108953  Trifolium fragiferum W. A. Williams Date Unknown s.n. San Joaquin 4 miles S of Thornton. Comment
  UC16533  Trifolium fucatum J. A. Sanford 1890-1 71 San Joaquin Stockton Comment
  POM146123  Trifolium fucatum var. fucatum E. E. Stanford 1927-3-23 117 San Joaquin Stockton. Comment
  UC750645  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  SEINET3522793 Image available Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  UCD111415  Trifolium microcephalum G. F. Hrusa; S. A. Wagner 1992-4-22 9312 San Joaquin Caswell Memorial State Park. Comment
  RSA196325  Trifolium microdon E. E. Stanford 1928-4-19 892 San Joaquin Stockton. 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
  JEPS4177  Trifolium willdenovii W. L. Jepson 1929-4-28 15197 San Joaquin Clements Comment
  POM18697  Trifolium willdenovii C. F. Baker 1903-4-27 5056 San Joaquin Bethany Comment
  UC155187  Trifolium willdenovii Katharine Brandegee May 1908 San Joaquin Lathrop Comment
  UC764728  Trifolium willdenovii R. F. Hoover 1935-3-18 374 San Joaquin w Ripon (San Joaquin River bridge) Comment
  UC968637  Trifolium willdenovii C. L. Hitchcock 1940-5-12 San Joaquin 3 mi s Galt Comment
  UCD96883  Trifolium willdenovii Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6932 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
  UCR128229  Trifolium willdenovii 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
  SJSU8002  Trifolium willdenovii H. T. Shishido 1961-4-8 San Joaquin near S side Mokeumne R c. 0.5 mi E of Clements Comment
  UC165496  Trifolium willdenovii J. Burtt Davy April 1897 3124 San Joaquin head of San Joaquin Valley Comment
  UC29197  Triodanis biflora Edw. L. Greene 1889-4-30 San Joaquin near Lathrop; near Lathrop Comment
  SEINET7040049  Triphysaria eriantha A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  UC1334880  Triphysaria eriantha subsp. eriantha L. D. Thurman 1963-4-5 120 San Joaquin on State Highway 8, 2.1 mi e Calaveras River bridge Comment
  UC27183  Triphysaria eriantha subsp. eriantha J. A. Sanford 1890-1 166 San Joaquin Stockton Comment
  UCR232265  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17077 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  UCR233289  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-3-29 17101 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
  SEINET7850029  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2009-3-26 14465 San Joaquin San Joaquin Valley; along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  UCR207837  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2009-3-26 14465 San Joaquin San Joaquin Valley, along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  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
  RSA26985  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 16 Comment
  SEINET192002 Image available Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 16 Comment
  UC3280  Triteleia hyacinthina J. A. Sanford 1890-1 361 San Joaquin Waverley Comment
  CAS-BOT-BC522286  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 15 Comment
  CAS-BOT-BC522287  Triteleia hyacinthina E. E. Stanford 1928-5-12 950 San Joaquin Near Peters Comment
  CAS-BOT-BC522288  Triteleia hyacinthina E. E. Stanford 1927-5-7 s.n. San Joaquin Near Lockeford Comment
  UC3319  Triteleia laxa Mr. Cobb 1899-4-10 14 San Joaquin Tracy 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
  CAS-BOT-BC526136  Triteleia laxa E. E. Stanford 1928-4-7 851 San Joaquin Near Collegeville Comment
  CAS-BOT-BC67344  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3467 San Joaquin Tracy-Southern Pacific-Niles line. Comment
  CAS-BOT-BC67345  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3469 San Joaquin Tracy-Southern Pacific toward Antioch. Comment
  CDA2  Tropidocarpum capparideum T. C. Fuller 1962-4-2 8197 San Joaquin Tracy, between Shulte Rd. & R.R. tracks. 0 Comment
  CAS-BOT-BC73833  Tropidocarpum gracile Peter H. Raven; R. Alava; R. Ornduff; et al. 1957-3-30 10563 San Joaquin Corral Hollow. Comment
  JEPS54245  Tropidocarpum gracile W. L. Jepson 1922-4-2 9567 San Joaquin Corral Hollow Mt. Hamilton Range (flats along creek, w San Joaquin Co.) 152 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
  RSA21455  Tropidocarpum gracile C. B. Wolf 1937-3-31 8389 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  RSA293042  Tropidocarpum gracile Reino Alava 1957-3-30 577 San Joaquin San Joaquin Valley, hillside at Corral Hollow. Comment
  SEINET3154220  Tropidocarpum gracile J. B. Davy 3097 San Joaquin head of the San Joaquin valley Comment
  UC1241767  Typha Herbert L. Mason 1948-5-31 13573 San Joaquin three mi n Ripon; n of Ripon Comment
  JEPS79582  Typha angustifolia Edward Lee 1934-7-4 969 San Joaquin Holt Comment
  UC1241807  Typha angustifolia Malcolm A. Nobs and S. Galen Smith 1949-7-7 929 San Joaquin near Holt; San Joaquin Valley Comment
  UC1241759  Typha domingensis Herbert L. Mason 1948-6-29 13576 San Joaquin one mi n Tracy; San Joaquin Valley Comment
  UC1241765  Typha domingensis Malcolm A. Nobs and S. Galen Smith 1949-7-7 927 San Joaquin two mi w Holt; San Joaquin Valley Comment
  UC1241766  Typha domingensis Malcolm A. Nobs and S. Galen Smith 1949-7-7 928 San Joaquin two mi w Holt; San Joaquin Valley Comment
  UC625465  Uropappus lindleyi Frank W. Gould 1938-4-10 157 San Joaquin in vicinity Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  CAS-BOT-BC404012  Urtica dioica subsp. holosericea Brian Atwater 1978-8-24 BA- 98 San Joaquin Between Rindge Tract and Wright Tract Comment
  SD241204  Urtica urens George K. Helmkamp, E. A. Helmkamp 2012-4-7 18725 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UC635679  Utricularia gibba Herbert L. Mason 1929-9-9 5420 San Joaquin marshes of Lower San Joaquin R. Lower San Joaquin R. Comment
  JEPS77912  Utricularia macrorhiza Edward Lee 1934-7-4 965 San Joaquin Holt 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
  UC635676  Utricularia macrorhiza Herbert L. Mason 1929-9-9 5422 San Joaquin Holt, lower San Joaquin R. Comment
  PASA38  Utricularia vulgaris Annetta M. Carter 1931-7-29 237 San Joaquin Holt Comment
  RSA296860  Utricularia vulgaris subsp. macrorhiza Edward Lee 1934-7-4 965 San Joaquin Holt. Comment
  UCD124630  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. Comment
  UCD124631  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. Comment
  JEPS11190  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  UC767424  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  UCD125948  Verbena bonariensis G. F. Hrusa; S. A. Wagner 1992-7-8 9160 San Joaquin Caswell Memorial State Park. Comment
  JEPS39038  Verbena bracteata W. L. Jepson 1923-10-22 10285 San Joaquin San Joaquin River San Joaquin City; , San Joaquin River Comment
  UCD125952  Verbena bracteata Randy A. Moehnke 1979-5-20 37 San Joaquin 60 yards south of Airport Way, 25 yards west of 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
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  UCD32788  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin San Joaquin County, 5 miles south of Thornton on road to Stockton, across Walliam and Frey Dairy, irrigated pasture area. Comment
  UCD54533  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
  UCD125642  Verbena litoralis Beecher Crampton 1954-11-28 2260 A San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125645  Verbena litoralis G. F. Hrusa 1992-8-26 9567 San Joaquin San Joaquin County Comment
  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
  UCD124441  Veronica hederifolia G. F. Hrusa; S. A. Wagner 1992-3-4 9076 San Joaquin San Joaquin County. Comment
  UC672495  Veronica peregrina subsp. xalapensis H. L. Mason 1929-4-7 5165 San Joaquin 10 mi e of Escalon Comment
  UCR249964  Veronica peregrina subsp. xalapensis George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20229 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  OBI64492  Veronica peregrina subsp. xalapensis David J. Keil 2005-3-13 30359 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 m NE of Mokelumne River bridge 82 Comment
  JEPS21856  Veronica persica Joe Zaerr 1958-5-3 99 San Joaquin Highway 88 e of Clements (Sacramento Valley); Sacramento Valley 152 Comment
  RSA80068  Veronica persica E. E. Stanford 1928-2-20 781 San Joaquin Stockton. Comment
  SD241195  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-4-7 18727 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCR232282  Veronica persica George K. Helmkamp, E. A. Helmkamp 2011-3-12 17063 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
  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
  POM147740  Veronica persica E. E. Stanford 1928-2-6 781 San Joaquin Stockton. Comment
  SBBG128825  Veronica persica G. K. Helmkamp, E. A. Helmkamp 2012-2-3 18523 San Joaquin Escalon-Bellota Rd, 0.2 mi S of its jct with CA-26, NE of Linden 39 Comment
  CDA28311  Vicia americana var. americana T. C. Fuller 1962-4-24 8228 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC193980  Vicia hassei F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  UCR242950  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-4-7 15826 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UC1999825  Viola californica Milo S. Baker San Joaquin Probably from Tracy, California Comment
  SEINET7076110  Viola douglasii 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
  UC1761727  Viola douglasii W. W. Mackie Apr 1905 San Joaquin SE of Stockton (Peters) Comment
  CAS-BOT-BC385042  Vitis californica Barrett Anderson 1987-7-15 3557 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  CDA19502  Vitis californica M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. Vine. 7 Comment
  UCD102852  Vitis californica M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley. Coyote Creek tributary riparian zone on Dustin Road. Ca. 0.1 mile N of Liberty Road, near Acampo. 7 Comment
  UCD142927  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17096  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: 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
  UCD17112  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
  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
  UCD17130  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
  CAS-BOT-BC198736  Vulpia bromoides E. E. Stanford 1930-4-26 1432 San Joaquin Copperopolis Rd. west of Peters Comment
  UCD93539  Vulpia bromoides G. F. Hrusa; S. A. Wagner 1992-3-4 9089 San Joaquin Caswell Memorial State Park. Comment
  UCD96901  Vulpia microstachys Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6942 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
  UC766931  Vulpia microstachys var. ciliata R. F. Hoover 1937-4-3 1740 San Joaquin lower end Corral Hollow Comment
  UCD93841  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC183746  Vulpia microstachys var. confusa John Thomas Howell 1938-4-3 13734 San Joaquin Corral Hollow Comment
  CAS-BOT-BC183747  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC184504  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin East end of Corral Hollow Comment
  POM196215  Vulpia microstachys var. pauciflora C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; In fields near campus Comment
  UCD94475  Vulpia myuros G. F. Hrusa; S. A. Wagner 1992-4-22 9246 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC185744  Vulpia myuros subsp. megalura E. E. Stanford 1927-3-29 133 San Joaquin Near Stockton. Open field near Campus 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
  UC53367  Vulpia myuros var. hirsuta Benj. Cobb 1900-3-20 San Joaquin Tracy Comment
  SEINET10604549  Vulpia myuros var. hirsuta E. E. Stanford 1928-4-19 Stanford 889 San Joaquin Stockton. Roadsides and open fields. Comment
  CAS-BOT-BC423386  Wislizenia californica Samuel B. Parish 1881-11-1 s.n. San Joaquin Lathrop, C.P.R.R. Comment
  CAS-BOT-BC423388  Wislizenia californica C. C. Parry 1881-7-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC423389  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  CAS-BOT-BC423390  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  CAS-BOT-BC423391  Wislizenia californica E. E. Stanford 1930-8-1 1862 San Joaquin Lincoln Highway, near French Camp. Comment
  CAS-BOT-BC423393  Wislizenia californica Michener; Bioletti 1893-8-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC423396  Wislizenia californica A. A. Heller 1920-9-9 13527 San Joaquin Along the highway about 5 miles south of Stockton Comment
  POM142488  Wislizenia refracta subsp. californica Katherine Brandegee 1907-10-2 25 San Joaquin Near Lathrop. Comment
  UC101850  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  UC83249  Wislizenia refracta subsp. californica Michener and Bioletti 1893-8-1 San Joaquin Lathrop Comment
  RSA440868  Wislizenia refracta subsp. californica E. E. Stanford 1930-08 1862 San Joaquin Lincoln Hwy, near French Camp. Comment
  UCD116386  Wislizenia refracta subsp. californica K. Brandegee 1907-10-1 s.n. San Joaquin Lathrop, San Joaquin River. 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
  SEINET3883318  Wolffia globosa W. R. Russell, Jeff Swader 1967-6-20 25 -796 San Joaquin Southside of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88, northeastern San Joaquin County.; 0 Comment
  SEINET8464901 Image available Wolffia globosa W. R. Russel, Jeff Swader 1967-6-20 San Joaquin South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88, northeastern San Joaquin County Comment
  UCD138084  Wolffia globosa W. R. Russell 1967-6-20 s.n. San Joaquin Northeastern San Joaquin County: South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88. Comment
  POM202662  Wolffiella lingulata J. T. Howell 1932-9-2 10790 San Joaquin Holt. Comment
  UC635134  Wolffiella lingulata H. L. Mason 1938-8-26 12072 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  UC635135  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  UC936135  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-BC535223  Wolffiella lingulata J. Walter Thompson