Search Results — 2000 specimen records retrieved (1460 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
  UCR232643  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 41 Comment
  SEINET3292756 Image available Acacia William G. Gambill Jr. 1965-3-31 San Joaquin Stockton, Amos Alonzo Stagg High School. Comment
  SEINET3412405 Image available Acacia William G. Gambill Jr. 1968-1 s.n. San Joaquin Stockton, In private yard, Stockton, San Joaquin County, California. Comment
  POM196279  Acer negundo subsp. californicum E. E. Stanford 1928-3-20 834 San Joaquin Near Peters 30 Comment
  UCD96902  Achillea millefolium Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6943 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CAS-BOT-BC21727  Achillea millefolium E. E. Stanford 1930-5-3 1464 San Joaquin Elliot Rd. near Elliot Comment
  RSA94582  Achillea millefolium var. californica E. E. Stanford 1930-04 s.n. San Joaquin Near Elliott Comment
  SEINET3915535  Achnatherum brachychaetum Tad H. Gantenbein 1996-1 s.n. San Joaquin Ne of Tracy, town of Banta, west of town between Grant Line Rd and Hwy 205, east of Paradise Rd.; 0 Comment
  UCD13379  Achnatherum brachychaetum Tad H. Gantenbein 1996-5-1 s.n. San Joaquin San Joaquin Co. NE of Tracy, town of Banta, west of town between Grant Line Rd and Hwy 205, east of Paradise Rd.. Comment
  SEINET9341013  Achnatherum brachychaetum Unknown 1991-5-1 s.n. San Joaquin San Joaquin Comment
  JEPS36751  Achyrachaena mollis R. F. Hoover 1937-4-23 1920 San Joaquin 7 mi e Stockton Comment
  UC1125428  Achyrachaena mollis R. D. Roseberry 1935-5-14 171 San Joaquin 1 mi w Bald Mt.; Jackson Quad., Bald Mt 106 Comment
  UC29289  Achyrachaena mollis H. P. Fitch 1889-4-25 152 San Joaquin Stockton Comment
  CAS-BOT-BC29726  Achyrachaena mollis Gladys L. Smith 1959-5-1 1050 San Joaquin Roadsides near Wallace Comment
  CAS-BOT-BC29728  Achyrachaena mollis E. E. Stanford 1928-4-7 846 San Joaquin Near Stockton Comment
  POM195989  Achyrachaena mollis E. E. Stanford 1928-4-7 846 San Joaquin Near Stockton Comment
  RSA92263  Achyrachaena mollis E. E. Stanford 1930-04 s.n. San Joaquin Corral hollow Road Comment
  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
  CDA1671  Aegilops triuncialis Helphinstine 1952-6-11 San Joaquin Foothills near Farmington 0 Comment
  CAS-BOT-BC202666  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line Comment
  RSA76974  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  UCR63937  Aesculus californica L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC46097  Agoseris hirsuta Volney Rattan 1887-9-1 s.n. San Joaquin Live Oaks Comment
  UCD38679  Agrostis Beecher Crampton 1956-7-30 3741 San Joaquin 9.8 miles south of Clements. 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
  UCR128291  Agrostis viridis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  RSA77176  Ailanthus altissima E. E. Stanford 1930-5-16 1488 San Joaquin Stockton. Comment
  UCD117152  Ailanthus altissima G. F. Hrusa 1992-8-26 9532 San Joaquin Caswell Memorial State Park. Comment
  UC441333  Alisma plantago-aquatica Harriet A. Walker 1907-9-8 893 San Joaquin Lathrop Comment
  UC516  Alisma plantago-aquatica J. A. Sanford 1890-1 29 San Joaquin Stockton Comment
  CAS-BOT-BC445369  Alisma plantago-aquatica Ira L. Wiggins 1934-6-23 6939 San Joaquin 3.2 miles east of Escalon on road to Oakdale Comment
  SEINET3895551 Image available Alisma plantago-aquatica Virginia Alexson 1964-6-13 23 San Joaquin Three miles North of Stockton.; 0 Comment
  POM179762  Allenrolfea occidentalis J. T. Howell 1930-9-28 5506 San Joaquin On the Borden Hwy to Holt. Comment
  UC1093858  Allenrolfea occidentalis Herbert L. Mason 1928-9-20 4965 San Joaquin San Joaquin delta near Holt; San Joaquin delta Comment
  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
  CAS-BOT-BC472789  Allium neapolitanum J. B. Gianelli 1962-4-9 s.n. San Joaquin Victor Colvin prop., Almond Drive and Stockton Drive, Lodi Comment
  CDA2747  Allium neapolitanum J. B. Gianelli 1962-4-9 San Joaquin Victor Colvin property, Almond Drive & Stockton Drive, Lodi. 0 Comment
  RSA367052  Allium serra E. E. Stanford 1930-4-5 1222 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC475565  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Hill slope 1/2 mile west of gravel pit at mouth of Corral Hollow on the Livermore road. 152 Comment
  CAS-BOT-BC475568  Allium serra Alice Eastwood; John Thomas Howell 1935-4-7 2094 San Joaquin East end of Corral Hollow Comment
  RSA21628  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  UC909001  Allophyllum gilioides subsp. gilioides R. F. Hoover 1938-4-9 3045 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  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
  UCD55877  Alopecurus carolinianus A. A. Beetle 1942-4-9 2939 San Joaquin 10 miles W of Modesto, Rt. 99. Comment
  UCD55939  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin ca. 7- 3/4 miles NNE Lodi, Liberty and Bruella Roads. Comment
  JEPS54333  Amaranthus W. L. Jepson 1923-10-22 10286 San Joaquin San Joaquin City San Joaquin River Comment
  UCR146284  Amaranthus Arthur M. Shapiro 1987-7-11 s.n. San Joaquin c. 2 mi west of Farmington, State Hwy 4, milepost S.J. 28.00 31 Comment
  UCR253493  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20070 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CDA14318  Amaranthus albus A. Wheelon, L. Allen 1998-8-12 s.n. San Joaquin San Joaquin Valley; Rough & Ready Island. 0 Comment
  CDA3259  Amaranthus albus T. C. Fuller 1958-7-3 1976 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  UCD97166  Amaranthus albus G. F. Hrusa; S. A. Wagner 1992-7-8 9186 San Joaquin Caswell Memorial State Park. Comment
  CDA3305  Amaranthus caudatus T. C. Fuller 1958-7-3 2055 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  UCD97218  Amaranthus caudatus J. M. Tucker 1951-10-31 2314 -5 San Joaquin On Staten Island. Comment
  CDA3238  Amaranthus cruentus L. Todd 1962-7-31 San Joaquin H. O. Todd property, S. Church Street, Lodi. 0 Comment
  CDA3293  Amaranthus hybridus subsp. quitensis Margaret Bellue 1933-10-6 San Joaquin Southwest of Lodi. 0 Comment
  UCD69389  Amaranthus palmeri J. Wycoff 1997-8-1 s.n. San Joaquin The city of Turlock. Southeast of town, Cressey Dairy, in agricultural fields east of Highway 99, along Cressey Rd. Comment
  UCD97517  Amaranthus palmeri J. Wycoff 1997-8-1 s.n. San Joaquin The city of Turlock. Southeast of town, Cressey Dairy, in agricultural fields east of Highway 99, along Cressey Rd. Comment
  CDA25625  Amaranthus powellii G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13083 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR194721  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2007-10-13 13083 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD97571  Amaranthus powellii J. M. Tucker 1951-10-31 2314 -1 San Joaquin On Staten Island. Comment
  POM196179  Amaranthus retroflexus P. Owen 1928-6-27 s.n. San Joaquin Stockton Comment
  UCD97782  Amaranthus retroflexus J. M. Tucker 1951-10-31 2314 -7 San Joaquin On Staten Island. Comment
  CDA6726  Ambrosia artemisiifolia M. Switzenberg 1963-7-26 San Joaquin Railroad yards, Holt District. 0 Comment
  CAS-BOT-BC55624  Ambrosia psilostachya L. R. Abrams 1917-9-14 6747 San Joaquin 8 miles south of Woodbridge Comment
  UC73989  Ambrosia psilostachya J. A. Sanford 220 San Joaquin Robert's Island Comment
  JEPS33276  Ammannia coccinea Rimo Bacigalupi and L. Constance 1962-8-13 8714 San Joaquin just n. San Joaquin City (just n. of bridge of Durham Ferry Rd., flats on e. side of San Joaquin R.) 3 Comment
  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
  UCD102879  Ammannia robusta G. F. Hrusa; S. A. Wagner 1992-8-8 9353 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  CDA20731  Ammi majus Michael DeLucchi 2006-6-27 PDR 1344836 San Joaquin 17055 E. Highway 4, Stockton. Comment
  CDA5353  Ammi majus T. C. Fuller, J. Solari 1959-8-3 2865 San Joaquin Southeast corner of Farmington & Kaiser Roads. 0 Comment
  CAS-BOT-BC214043  Amsinckia John Thomas Howell 1933-3-26 10890 San Joaquin Corral Hollow Comment
  UC1178287  Amsinckia Ray and Chisaki K 163 San Joaquin Farmington Comment
  UCD96886  Amsinckia Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6934 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  CAS-BOT-BC214038  Amsinckia E. E. Stanford 1928-3-2 784 San Joaquin Stockton Comment
  CAS-BOT-BC214040  Amsinckia Lewis S. Rose 1936-2-20 36009 San Joaquin Ripon 21 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
  CAS-BOT-BC222314  Amsinckia douglasiana Carl B. Wolf 1937-3-31 8375 San Joaquin San Joaquin Valley, 1 mi. So. of Stockton on Tracy Road 5 Comment
  JEPS61114  Amsinckia eastwoodiae R. F. Hoover 1935-3-1 232 San Joaquin Vernalis Comment
  RSA499907  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  RSA499909  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  UC723298  Amsinckia eastwoodiae H. K. Sharsmith 1935-3-3 1485 San Joaquin slopes of Corral Hollow; Mount Hamilton Range 228 Comment
  UC763140  Amsinckia eastwoodiae R. F. Hoover 1938-4-10 3064 San Joaquin Lower Hospital Canyon Comment
  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-BC222442  Amsinckia grandiflora Robert F. Hoover 1938-3-19 2866 San Joaquin One mile north of Corral Hollow near Alameda County 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-BC222446  Amsinckia grandiflora R. F. Hoover 1938-5-7 3357 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line Comment
  CAS-BOT-BC222451  Amsinckia grandiflora A. Mullen; G. A. Beeman 1991-4-18 s.n. San Joaquin Patrick/Mark Conolly Ranch 274 Comment
  JEPS14264  Amsinckia grandiflora Francia Chisaki and R. Bacigalupi 1956-4-5 664 San Joaquin e. side of canyon leading n. from Corral Hollow (0.45 mi. e. of San Joaquin-Alameda Co. line, ca. 1.5 mi. n. of rd. in Corral Hollow) Comment
  JEPS24885  Amsinckia grandiflora R. F. Hoover 1938-5-7 3357 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS24886  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS46003  Amsinckia grandiflora L. R. Heckard, Ornduff, John J. Souza 1966-4-16 1470 San Joaquin North from Corral Hollow Road, about 1 mile from road and 1/2 mile east of Alameda County line. Just Southwest of drop tower of the U.S. Atomic Energy Commission testing area. Comment
  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
  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
  UC1084621  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin 1.1 mi n of road in Corral Hollow (0.45 e of San Joaquin-Alameda County line, e side of canyon n from Corral Hollow, on n side of one hill in area of 0.5 acre) 304 Comment
  UC762090  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
Read comments
May 22 2007
  SEINET12280474  Amsinckia grandiflora L. S. Rose 1938-1 San Joaquin Comment
  SEINET7883454  Amsinckia grandiflora Lewis S. Rose 1938-1 San Joaquin Comment
  JEPS16870  Amsinckia intermedia Peter H. Raven with G. Thomas Robbins 1956-4-29 9131 San Joaquin 8.8 mi s of Stockton (on U.S. Hwy 50) 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
  RSA499908  Amsinckia intermedia E. E. Stanford 1928-3-2 784 San Joaquin Stockton. 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
  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
  UC75331  Amsinckia intermedia C. F. Baker 1903-4-25 2779 San Joaquin Tracy; Pacific Coast Comment
  UC763081  Amsinckia intermedia R. F. Hoover 1937-4-3 1747 San Joaquin Lower end of Corral Hollow Comment
  UC1094052  Amsinckia lycopsoides Francia Chisaki 1954-3-27 580 San Joaquin on Telsa Road grade before entering Corral Hollow 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
  CDA19661  Amsinckia menziesii G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1181 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  RSA0089747  Amsinckia obvallata A. A. Heller 1941-3-24 15911 San Joaquin Banta. Comment
  SEINET10697928 Image available Amsinckia obvallata Charles F. Baker 1903-4-25 Baker 2779 San Joaquin Tracy, San Joaquin county, California. Frequent in low fields. Comment
  SEINET12519038  Amsinckia retrorsa Carl B. Wolf 1937-1 8378 San Joaquin San Joaquin Valley, 3 mi. E of Tracy at junction with Vernalis Road 8 Comment
  SBBG54424  Amsinckia spectabilis C. F. Baker 1903-4-25 2779 San Joaquin Tracy 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
  UC762805  Amsinckia tessellata var. gloriosa R. F. Hoover 1937-4-3 1735 San Joaquin Tracy 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
  JEPS14265  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi and Francia Chisaki with Annetta Carter, Lucille Mason and Isabelle Tovares 1956-4-5 5581 San Joaquin 0.45 mi e of Alameda-San Joaquin county line (about 1.5 mi n of the Corral Hollow road, inner South Coast Range, in first side canyon to the north); South Coast Range 396 Comment
  UC1061725  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi and Francia Chisaki with Annetta Carter, Lucille Mason and Isabelle Tovares 1956-4-5 5581 San Joaquin 0.45 mi e of Alameda-San Joaquin County line (about 1.5 mi n of the Corral Hollow road, Drainage of Corral Hollow, in first side canyon to the north); Inner South Coast Range Comment
  UC596209  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-9 3023 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  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
  UCD117537  Anagallis arvensis Marvin Nies 1951-5-4 57 San Joaquin 6 miles east of Lodi. Comment
  CAS-BOT-BC45264  Ancistrocarphus filagineus Maxine Wilkes 1940-4-7 s.n. San Joaquin Corral Hollow 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
  SFV797  Anemopsis californica J. W. Katberg, Jr. 1966-4-30 39 San Joaquin San Joaquin Valley Along ditchbank northwest of Stockton; 0.25 miles north of Atherton Road and about 1.5 miles west of Thornton Road. -1 Comment
  UC4890  Anemopsis californica J. A. Sanford 1890-1 369 San Joaquin Stockton Comment
  CDA39495  Anemopsis californica T. C. Fuller, J. B. Gianelli 1959-6-15 2614 San Joaquin Lodi. 0 Comment
  UC69650  Anoda cristata W. L. Jepson and J. A. Sanford 1903-1 San Joaquin Stockton Comment
Read comments
Jan 11 2008
  CDA35719  Anoda cristata Unknown 1996-5-28 s.n. San Joaquin Southeast of Stockton, off Kaiser Road, South of Mariposa Road. In a tomato field. There is a question as to whether this species was introduced from a tomato seed sample approximately two years ago. 0 Comment
  UCD116182  Anoda cristata Collector unknown 1996-5-28 s.n. San Joaquin Southeast of Stockton, off Kaiser Road, South of Mariposa Road. Comment
  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
  UCD96911  Aphanes occidentalis Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6949 a San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UC22890  Apocynum cannabinum J. A. Sanford 1890-1 233 San Joaquin Robert's Island Comment
  UC22896  Apocynum cannabinum J. A. Sanford 1890-1 San Joaquin Stockton Comment
  RSA23171  Apocynum cannabinum I. L. Wiggins 1938-8-15 s.n. San Joaquin Bank of drainage canal 1.5 miles east of Middle River Bridge on Highway #4 Comment
  RSA147785  Apocynum sibiricum E. E. Stanford 1927-9-26 715 San Joaquin Stockton, near Louis Park 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
  RSA417295  Artemisia douglasiana Twilia Kendall 1928-10 s.n. San Joaquin Stockton Comment
  UCD129290  Artemisia douglasiana G. F. Hrusa; S. A. Wagner 1992-7-8 9135 San Joaquin below picnic area. Caswell Memorial State Park. Comment
  UC23013  Asclepias erosa H. N. Bolander 1866-1 4894 San Joaquin San Joaquin Plains 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
  UCD121335  Asclepias fascicularis G. F. Hrusa 1992-8-26 9571 San Joaquin Caswell Memorial State Park. Comment
  CDA39834  Asclepias fascicularis Barry Aug 1938 s.n. San Joaquin Near Stockton. 0 Comment
  RSA401255  Asclepias fascicularis E. E. Stanford 1927-8-31 s.n. San Joaquin Stockton Comment
  SJSU1658  Asclepias vestita M. E. Myers 1955-5-27 60 San Joaquin 12 mi E of Lodi, Sierra Nevada Foothills 60 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
  POM147804  Aster subulatus var. ligulatus E. E. Stanford 1927-8-18 683 San Joaquin Stockton 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-BC180513  Astragalus asymmetricus David D. Keck 1933-8-23 2502 San Joaquin Carnegie, Corral Hollow, Western San Joaquin County 198 Comment
  RSA128159  Astragalus asymmetricus Clare B. Hardham 1959-5-6 4409 San Joaquin Intersection Nacimiento Dam Road and road to Pleyto. Comment
  SEINET10811682  Astragalus asymmetricus E. E. Stanford 1930-4-19 Stanford 1367 San Joaquin Patterson Pass Road. Comment
  POM16147  Astragalus didymocarpus C. F. Baker 1903-4-25 2782 San Joaquin Tracy Comment
  RSA21625  Astragalus didymocarpus Roxana S. Ferris 1938-4-15 9418 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  RSA517287  Astragalus didymocarpus Barbara J. Ertter 1986-3-14 5787 San Joaquin Corral Hollow in Diablo Range SE of Livermore, along Tesla Rd (Rt. J12) 3.5 mi W of jct I-580. 152 Comment
  UC83407  Astragalus didymocarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  SEINET12159810  Astragalus didymocarpus L. S. Rose 1938-1 38153 San Joaquin Hospital canyon 152 Comment
  CAS-BOT-BC182335  Astragalus didymocarpus var. didymocarpus H. L. Mason 1932-3-19 6834 San Joaquin Two miles east of Midway, near Tracy Comment
  CAS-BOT-BC182331  Astragalus didymocarpus var. didymocarpus John Thomas Howell 1933-3-26 10883 San Joaquin 14 miles northwest of McKittrick. 914 Comment
  RSA138294  Astragalus douglasii Volney Rattan 1880-7-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC178271  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  JEPS54646  Astragalus gambelianus W. L. Jepson 1922-4-2 9580 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow (Mt. Hamilton Range, w San Joaquin County) 182 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
  CAS-BOT-BC178268  Astragalus gambelianus Volney Rattan 1883-3-20 s.n. San Joaquin Wilkinson's Ranch 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-BC66021  Athyrium filix-femina var. cyclosorum Brian Atwater 1978-8-16 BA- 30 San Joaquin Old River; between Quinby Island and Franks Tract Comment
  UC1055819  Athysanus pusillus Frank W. Gould 1940-3-12 883 San Joaquin opposite Castle Rock (Corral Hollow, Mount Hamilton Range); Mount Hamilton Range, Corral Hollow 198 Comment
  UCR51786  Athysanus unilateralis L. S. Rose 1938-4-3 38120 San Joaquin San Joaquin Valley/Inner South Coast Range, Corral Hollow 122 Comment
  RSA147793  Atriplex argentea E. E. Stanford 1927-8-15 678 San Joaquin Stockton Comment
  UCD97237  Atriplex argentea var. expansa John Thomas Howell 1973-10-31 50265 San Joaquin along Hwy 580 at Hospital Creek southeast of Vernalis. 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
  UC7134  Atriplex argentea var. mohavensis J. Burtt Davy 1893-11-13 1191 San Joaquin Stockton Comment
  UC7135  Atriplex argentea var. mohavensis J. Burtt Davy 1893-11-13 1190 San Joaquin Stockton Comment
  UC990738  Atriplex argentea var. mohavensis Roxana S. Ferris 1951-9-15 12471 San Joaquin near Lathrop; near Lathrop Comment
  SEINET3930314  Atriplex californica Howard C. Stutz 1977-6-15 8030 San Joaquin Tracy.; 0 Comment
  UC1784356  Atriplex californica H. C. Stutz 1977-6-15 8030 San Joaquin Tracy Comment
  RSA97313  Atriplex fruticulosa J. T. Howell 1953-4-26 28934 San Joaquin Just NE of Corral Hollow on road to Tracy. Comment
  SEINET4133819  Atriplex fruticulosa Howard C. Stutz 1991-5-31 95520 San Joaquin North Livermore, 2000 No, Bluebell Boulevard.; 0 Comment
  UCD97514  Atriplex lentiformis A. S. Crafts 1935-10-31 s.n. San Joaquin San Joaquin Valley. Comment
  UCD97621  Atriplex prostrata K. Esau 1929-9-21 2039 San Joaquin Staten Island. 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
  UCD97719  Atriplex semibaccata G. L. Stebbins Jr.; Alva Day 1966-3-12 6314 San Joaquin at lower end of Corral Hollow. Comment
  CDA23326  Atriplex serenana T. C. Fuller 1962-6-4 8833 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  JEPS59394  Atriplex serenana W. L. Jepson 1896-7-17 San Joaquin near Stockton; Lower San Joaquin, near Stockton Comment
  POM216532  Atriplex serenana D. D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., 5 miles E of Manteca. 23 Comment
  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
  UC217006  Atriplex serenana var. serenana H. M. Hall 1919-10-26 San Joaquin Manteca Comment
  UC7107  Atriplex serenana var. serenana J. Burtt Davy 1893-11-13 1189 San Joaquin Stockton Comment
  CAS-BOT-BC180891  Atriplex serenana var. serenana R. F. Hoover 1965-8-27 9517 San Joaquin Carpenter Road near San Joaquin River, south of Modesto Comment
  CAS-BOT-BC180895  Atriplex serenana var. serenana John Thomas Howell 1929-9-21 4412 San Joaquin Railroad embankment, Holt. Comment
  UCD56402  Avena fatua G. F. Hrusa; S. A. Wagner 1992-4-22 9256 San Joaquin Caswell Memorial State Park. Comment
  UC535004  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Hwy. between Middle and Old forks 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
  RSA318294B  Azolla filiculoides Wayne P. Armstrong 1984-8-22 1214 San Joaquin Trapper Slough-- north side of Highway 4 approximately 4 miles west of Holt 2 Comment
  CAS-BOT-BC98795  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
  UC73990  Baccharis glutinosa J. A. Sanford 225 San Joaquin Robert's Island San Joaquin Valley Comment
  CDA10386  Baccharis pilularis subsp. consanguinea F. M. Newhall 1959-11-23 San Joaquin 0 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
  RSA18937  Baccharis salicifolia Roxana S. Ferris 1938-4-15 9402 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  CDA6269  Bacopa J. F. Silva 1964-6-16 San Joaquin Escalon District.. 0 Comment
  UC26786  Bacopa eisenii J. A. Sanford 1893-1 San Joaquin Stockton Comment
  JEPS32535  Bidens frondosa W. L. Jepson 1923-10-22 10279 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River Comment
  UC579887  Bidens frondosa Annetta Carter 1934-7-4 1934 San Joaquin between Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway Comment
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  JEPS32536  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River, Union Island Comment
  SD58196  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, lower San Joaquin River. Comment
  CDA10519  Bidens laevis T. C. Fuller 1959-10-27 3261 San Joaquin Road to Knights Ferry, ca. 4 miles southwest of Farmington. 0 Comment
  POM146126  Bidens laevis E. E. Stanford 1926-10-19 67 San Joaquin Stockton, San Joaquin River. Comment
  RSA0000971  Biolettia riparia F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. 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
  UC1873047  Blennosperma nanum David Keil 2005-3-13 30360 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada with wide, flat valleys with vernal pools. 82 Comment
  JEPS18800  Blennosperma nanum var. nanum R. F. Hoover 1935-3-1 271 San Joaquin w of, San Joquin River bridge Ripon; San Joaquin River Comment
  UC1219710  Blennosperma nanum var. nanum Robert Ornduff 1958-2-23 4752 San Joaquin about 4.8 mi n of, roadside at edge of Highway 88 Clements Comment
  CAS-BOT-BC127910  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Lower part of Hospital Canyon, Mount Hamilton Range 152 Comment
  UC762594  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin lower part of Hospital Canyon 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
  UCD129612  Blepharizonia laxa Robert E. Preston 1996-10-4 1004 San Joaquin east-facing bank on north side of Corral Hollow Road, around 1.8 mile west of it junction with I-5. 137 Comment
  UCD129613  Blepharizonia plumosa Robert E. Preston 1996-10-4 1005 San Joaquin northwest slope of Black Butte, south of Corral Hollow Road, around 2 miles west of its junction with I-5. 152 Comment
  UCD129614  Blepharizonia plumosa Robert E. Preston 1996-9-27 1006 San Joaquin Lawrence Livermore National Laboratory, Site 300, on berms adjacent to Building 834. 316 Comment
  RSA81638  Blepharizonia plumosa subsp. plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6.5 miles west of Tracy Comment
  POM126153  Boisduvalia glabella Joseph P. Tracy 1921-5-25 5788 San Joaquin Farmington. 30 Comment
  RSA41183  Boisduvalia glabella Robert F. Hoover 1935-6-12 646 San Joaquin Farmington. Comment
  RSA166320  Boisduvalia stricta D. M. Moore 1960-6-1 86 San Joaquin Road between Farmington and Bellota at intersection with road to Peters 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-BC31038  Bolboschoenus maritimus John Thomas Howell 1930-9-28 5509 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
  UC765840  Bowlesia incana Robert F. Hoover 1935-3-1 272 San Joaquin 5 mi sw of Ripon Comment
  RSA201509  Brachypodium distachyon Robert F. Hoover 1954-5-20 8348 San Joaquin 330 Chaplin Lane Comment
  UCD57014  Brachypodium distachyon Collector unknown 1953-7-16 San Joaquin San Joaquin Co. Comment
  UCR194718  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR253790  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20060 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  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
  RSA482906  Brassica nigra E. E. Stanford 1928-3-13 802 San Joaquin Stockton. Comment
  CDA3602  Brassica rapa T. C. Fuller 1962-4-2 8204 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  SD240938  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles nouthwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  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
  UCR253609  Brassica rapa George K. Helmkamp 2014-3-18 22577 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
  RSA147997  Brassica rapa E. E. Stanford 1927-9-17 702 San Joaquin Stockton Comment
  UC3323  Brodiaea appendiculata F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC482168  Brodiaea appendiculata Roxana S. Ferris 1953-5-15 12641 San Joaquin On road betw. Everett School and intersection with Bellota-Farmington road ca. 1 mi. W. of intersection Comment
  SEINET7072961  Brodiaea coronaria A. G. Vestal 1963-5-27 s.n. San Joaquin Old aluvium at a stony adobe about 0.7 mile east of Duck Creek and east of Linden and northeast of Bellota on Route 26. Coordinate datum: WGS84/NAD83. (38? deg. 3' 38" North Latitude, -121? deg. 0' 12" West Longitude, UTM Zone 10, 675168mE, 4214211mN. Coordinate datum: NAD27.). Comment
  JEPS6307  Brodiaea elegans subsp. elegans W. L. Jepson 1902-5-18 1822 San Joaquin Clements 76 Comment
  RSA462416  Brodiaea elegans subsp. elegans E. E. Stanford 1930-5-3 1467 San Joaquin Jack Tone Road. 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
  UCR62331  Brodiaea terrestris subsp. terrestris 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
  POM196216  Bromus arizonicus C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; Campus Comment
  RSA364010  Bromus catharticus E. E. Stanford 1930-5-21 1505 San Joaquin Stockton; on campus [campus location not specified] Comment
  UCR201897  Bromus catharticus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14238 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
  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
  UCD96893  Bromus diandrus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6938 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
  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
  CAS-BOT-BC155490  Bromus hordeaceus E. E. Stanford 1927-4-9 139 San Joaquin Near Stockton. Comment
  SD240803  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 (Valley Springs SW 7.5'Q) 52 Comment
  UC1131066  Bromus hordeaceus C. M. Belshaw 1936-4-24 1976 A San Joaquin 1 1/2 mi sw of Wallace 121 Comment
  UCD58638  Bromus hordeaceus Mrs. H. P. Kelley 1916-5-25 s.n. San Joaquin San Joaquin County. Comment
  UCD59274  Bromus racemosus Terri Williamson 1990-4-28 10 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UCR253643  Bromus rubens George K. Helmkamp 2014-3-18 22576 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
  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
  CDA21077  Cabomba caroliniana E. Finley, R. Villarreal 1991-9-19 s.n. San Joaquin Southern edge of 14 Mile slough. 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
  CAS-BOT-BC438329  Calandrinia ciliata E. Roy Weston 1927-4-3 586 San Joaquin Near Comanche Pk., San Joaquin Valley Comment
  CAS-BOT-BC438330  Calandrinia ciliata E. E. Stanford 1927-3-7 97 San Joaquin Stockton Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  RSA377400  Calochortus luteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC3491 Image available Calochortus venustus F. W. Gunnison May 1896 San Joaquin Linden Comment
  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-BC270662  Calycadenia multiglandulosa David D. Keck 1932-6-26 1507 San Joaquin 2.5 miles E of Farmington, on Milton Road, along deep ditch Comment
  CAS-BOT-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
  UC177482  Calycadenia multiglandulosa C. C. Parry 1881-1-1 136 San Joaquin Pacific Coast Comment
  UC935675  Calycadenia multiglandulosa unknown 1933-8-23 2511 San Joaquin 2.5 mi e of Farmington Comment
  UC177511  Calycadenia spicata C. C. Parry 1881-10-1 132 San Joaquin near Stockton Comment
  UC1876655  Calycadenia truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 mi W of Calaveras Co line on Hwy 12. 60 Comment
  UCD129877  Calycadenia truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 miles west of Calaveras County line on Highway 12. 60 Comment
  CAS-BOT-BC436434  Calystegia Volney Rattan 1880-6-1 s.n. San Joaquin Wm. Wilkinson Ranch, Live Oaks Comment
  CAS-BOT-BC190899  Calystegia sepium subsp. limnophila Brian Atwater 1978-8-16 BA- 37 San Joaquin between Quinby Island and Franks 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
  JEPS31809  Camissonia campestris W. L. Jepson 1896-6-27 14488 San Joaquin between Mossdale School and Atlanta; lower San Joaquin Comment
  UC196144  Camissonia campestris subsp. campestris J. W. Congdon 1893-4-30 San Joaquin Lathrop Comment
  UC107695  Camissonia contorta Mrs. K. Brandegee May 1889 San Joaquin Tracy Comment
  RSA0034612  Camissonia contorta R. D. Roseberry 1935-5-13 160 San Joaquin Mokelumne River, east of Clements. 61 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
  RSA530958  Capsella bursa-pastoris Cyril R. Owen 1927-9-20 21 San Joaquin Campus. [College of the Pacific, Stockton.] Comment
  UC10293  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UCR253464  Capsella bursa-pastoris George K. Helmkamp 2014-3-18 22588 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
  SBBG128824  Capsella bursa-pastoris G. K. Helmkamp, E. A. Helmkamp 2012-2-3 18524 San Joaquin Escalon-Bellota Rd, 0.2 mi S of its jct with CA-26, NE of Linden 39 Comment
  UCD114134  Capsella bursa-pastoris G. F. Hrusa; S. A. Wagner 1992-3-22 9068 San Joaquin Caswell Memorial State Park; unmowed picnic area. Comment
  SD240939  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2011-3-29 17104 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden (Valley Springs 7.5'Q) 71 Comment
  CDA24759  Cardamine hirsuta F. M. Newhall 1961-3-3 San Joaquin North bank Mokelumne River, Lodi. 0 Comment
  CDA14315  Cardaria pubescens J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; Naglee Rd. in Tracy. 0 Comment
  UCR128227  Carduus pycnocephalus 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
  CDA6898  Carduus tenuiflorus F. M. Newhall 1961-5-4 San Joaquin Route 1, Box 175, Acampo. 0 Comment
  RSA362796  Carex E. E. Stanford 1930-5-5 1253 San Joaquin Durham Ferry Road. Comment
  CAS-BOT-BC34271  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin San Joaquin Delta near Holt. Comment
  CDA33074  Carex feta R. P. Allen 1972-5-31 San Joaquin On Campbell Road, south of Lone Tree Road. 0 Comment
  UCD140307  Carex feta G. F. Hrusa; S. A. Wagner 1992-8-9 9360 San Joaquin Oxbow Lake. Comment
  CDA6946  Carthamus creticus T. C. Fuller 1960-5-17 4333 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  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
  UC673441  Castilleja exserta H. L. Mason 1932-3-19 6822 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  JEPS18261  Castilleja foliolosa Peter H. Raven with Ornduff, Woodcox, and R. and A. Alava 1957-3-30 10567 San Joaquin Corral Hollow Comment
  UCD96892  Castilleja subinclusa subsp. subinclusa Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6937 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
  UC764614  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-10 2837 San Joaquin near county line (Corral Hollow); Corral Hollow Comment
  CAS-BOT-BC40347  Caulanthus lasiophyllus Volney Rattan 1877-3-14 s.n. San Joaquin Live Oaks. Comment
  CDA24869  Caulanthus lasiophyllus Jim Jokerst 1989-3-3 3076 A San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  CAS-BOT-BC40348  Caulanthus lasiophyllus E. E. Stanford 1930-4-19 1369 San Joaquin Patterson Pass Road. Near base of Coast Ranges. Comment
  UCD114694  Caulanthus lasiophyllus Terri Williamson 1990-4-28 13 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  CAS-BOT-BC39469  Caulanthus lemmonii John Thomas Howell 1938-4-10 13764 San Joaquin Hospital Canyon. Comment
  LA51326  Caulanthus lemmonii Lewis S. Rose; 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  UC1070941  Ceanothus cuneatus var. cuneatus R. W. Lundh 1932-6-1 116 San Joaquin Coral Hollow Creek Mt. Hamilton quad 838 Comment
  CAS-BOT-BC281963  Centaurea benedicta John Thomas Howell 1930-6-29 5330 San Joaquin At Nile Garden Comment
  CAS-BOT-BC281964  Centaurea benedicta John Thomas Howell 1930-6-29 5330 San Joaquin At Nile Garden, station on the Western Pacific RR, W of Manteca Comment
  JEPS37534  Centaurea benedicta W. L. Jepson 1896-6-27 San Joaquin near Lathrop (plains of the lower San Joaquin); lower San Joaquin River Comment
  UCD129968  Centaurea benedicta W. A. Harvey 1969-4-9 s. n. San Joaquin Lucchesi Ranch, southwest corner of Jahant and Peltier roads, ca. 2 miles west of Clements. Comment
  UC30925  Centaurea melitensis J. A. Sanford 1891-1 26 San Joaquin Waverly 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
  SEINET11262194  Centaurea solstitialis Virginia Alexson 1964-6-13 37 San Joaquin Edge of Stockton City limits.; 0 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
  UC763206  Centaurium muehlenbergii Robert F. Hoover 1935-6-12 649 San Joaquin Farmington Comment
  UC35447  Centaurium venustum J. A. Sanford 43 San Joaquin West Stockton Comment
  CAS-BOT-BC288640  Centromadia fitchii David D. Keck 1933-10-28 2570 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288643  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288649  Centromadia fitchii Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi Comment
  CAS-BOT-BC288651  Centromadia fitchii David D. Keck 1933-10-28 2571 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  UC532118  Centromadia fitchii David D. Keck 1933-10-28 2571 San Joaquin ca. 3 mi E of Stockton (Farmington Road, 0.7 mi from int with US 99) Comment
  UCD77499  Centromadia fitchii Robert E. Preston 2004-7-30 2276 San Joaquin Ca. 13.4 mi NE of Lodi. 49 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
  UC2027270  Centromadia fitchii David Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Highway 88. 11.9 miles east of Highway 99. Comment
  UCD18410  Centromadia fitchii Paul Verdegarl; Bob Muller 1999-5-21 s.n. San Joaquin city of Lodi, Atkins Rd. Comment
  CAS-BOT-BC271512  Centromadia parryi subsp. rudis H. M. Hall 1923-10-10 11913 San Joaquin South of Stockton a few miles Comment
  CAS-BOT-BC271513  Centromadia parryi subsp. rudis H. M. Hall 1930-9-25 12889 San Joaquin One miel norht of Stockton Comment
  CAS-BOT-BC271514  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2581 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC271516  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton Comment
  CAS-BOT-BC271519  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  CAS-BOT-BC271520  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC134550  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin railroad track near Stockton Comment
  UC532129  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin ca. 3 mi E of Stockton (Farmington Road, 0.7 mi from int with US 99) Comment
  CHSC22915  Centromadia pungens Robert A. Schlising; A. Eagle, B. Liles 1962-8-25 2346 San Joaquin 1.5 mi N Salida, along Hwy 99 and S.P. RR. Roadside. Comment
  UCD130205  Centromadia pungens O. V. Patton 1930-5-15 2155 San Joaquin Exact location unknown. 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
  CAS-BOT-BC279303  Centromadia pungens subsp. pungens David D. Keck 1933-8-23 2503 San Joaquin Corral Hollow (east end), 10.5 mi. S.W. of Tracy Comment
  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
  UC30961  Centromadia pungens subsp. pungens J. A. Sanford 1890-1 14 San Joaquin French Camp Comment
Read comments
Nov 7 2007
  UC480896  Centromadia pungens subsp. pungens Katharine Brandegee San Joaquin Lathrop Comment
  CAS-BOT-BC279291  Centromadia pungens subsp. pungens David D. Keck 1932-6-26 1503 San Joaquin Nilegarden Station, 3 miles west of Manteca Comment
  CAS-BOT-BC279295  Centromadia pungens subsp. pungens Brandegee No date on label s.n. San Joaquin Valley of the San Joaquin Comment
  CAS-BOT-BC222951  Cephalanthus occidentalis Michener; Bioletti 1892-9-9 s.n. San Joaquin San Joaquin Bridge 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-BC222960  Cephalanthus occidentalis Michener; Bioletti 1892-9-1 s.n. San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC222963  Cephalanthus occidentalis Brian Atwater 1978-8-22 BA- 70 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  CAS-BOT-BC222964  Cephalanthus occidentalis Brian Atwater 1978-8-24 BA- 107 San Joaquin Between Rindge Tract and Wright Tract 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
  JEPS12457  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  JEPS85901  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UC580096  Cephalanthus occidentalis var. californicus Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi w San Joaquin River Comment
  UCR233211  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2010-4-7 15832 A San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  CAS-BOT-BC400159  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  UC1028679  Ceratophyllum demersum Herbert L. Mason 1938-8-26 12076 San Joaquin Trappers Slough Roberts Island (Roberts Island); , Roberts Island Comment
  UC635511  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  SEINET3416657 Image available Cercis occidentalis William G. Gambill Jr. s.n. San Joaquin Stockton, Stockton. Comment
  SEINET7040051  Chamaesyce albomarginata A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  UC136685  Chamaesyce ocellata Katharine Brandegee 1907-10-1 San Joaquin near Stockton 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
  UC173121  Chamaesyce serpyllifolia Katharine Brandegee 1914-9-27 San Joaquin near Lathrop (San Joaquin Bridge) Comment
  CAS-BOT-BC175679  Chenopodium album G. K. Helmkamp; E. A. Helmkamp 2007-10-13 13096 San Joaquin Northern San Joaquin Valley: along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UC60920  Chenopodium ambrosioides N. K. Berg 1903-11-25 San Joaquin Rough and Ready Isl. Comment
  UCR63940  Chenopodium ambrosioides L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  RSA18399  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 507 San Joaquin 3 miles W of Manteca. Comment
  POM146135  Chenopodium ambrosioides var. ambrosioides E. E. Stanford 1926-10-28 89 San Joaquin Near Stockton Comment
  CDA3055  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  RSA18398  Chenopodium atrovirens C. B. Wolf 1927-6-23 508 San Joaquin 3 miles W of Manteca. Comment
  JEPS59727  Chenopodium californicum W. L. Jepson 1922-4-2 9577 San Joaquin Corral Hollow Mt. Hamilton Range 182 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
  CDA3068  Chenopodium murale J. B. Gianelli 1975-7-11 San Joaquin 1642 Paloma Avenue, Stockton. 0 Comment
  CAS-BOT-BC184900  Chloris virgata A. Bugbee 1968-8-15 s.n. San Joaquin Ripon. H. Mohler prop., Monsieur & Curtice Roads. Comment
  CDA3729  Chorispora tenella J. B. Gianelli 1975-4-14 San Joaquin Approximately 1/2 mile west of Lower Sacramento Road on Eight Mile Road near Western Pacific tracks between Stockton and Lodi. 0 Comment
  CDA37741  Chorispora tenella C. Beutler 1975-4-16 s.n. San Joaquin South side of Eight Mile Road, 450 yds. east of W.P.R.R. tracks, seven miles southwest of Lodi. 0 Comment
  UCD58739  Chorizanthe polygonoides var. polygonoides Charlotte Kimball 2007-5-14 s.n. San Joaquin Comanche Reservoir. 1000 ft. SW of spillway. 60 Comment
  UCR63948  Cichorium intybus L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  POM352125  Cichorium intybus E. E. Stanford 1926-10-28 88 San Joaquin Near Stockton Comment
  RSA519061  Cichorium intybus L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, S side of Dry Creek. Comment
  CAS-BOT-BC105784  Cirsium crassicaule John Thomas Howell 1933-7-20 11447 San Joaquin 2 miles nw of Lathrop Bridge on San Joaquin River Comment
  CAS-BOT-BC280115  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  UC91841  Cirsium vulgare K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC285846  Cirsium vulgare E. E. Stanford 1926-10-12 50 San Joaquin Near Stockton Comment
  POM352187  Cirsium vulgare E. E. Stanford 1927-9-26 714 San Joaquin Stockton, near Louis Park Comment
  CDA6711  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  CDA6714  Citrullus lanatus var. citroides R. Vargo 1996-10-1 s.n. San Joaquin Victoria Island between Stockton and Brentwood. 0 Comment
  CDA6715  Citrullus lanatus var. citroides R. Vargo 1996-10-1 s.n. San Joaquin Victoria Island between Stockton and Brentwood. 0 Comment
  CHSC85412  Citrullus lanatus var. citroides John Dittes 2003-10-17 851 San Joaquin Northern San Joaquin Valley; ca. 12.7 air-miles south by southwest of Lathrop, ca. 2.5 air-miles west by northwest of Vernalis, ca. 0.6 air-mile east by northeast of intersection of I-5 and Vernalis Road (Hwy 132); in lot next to Burger King parking lot. 48 Comment
  UC1143227  Clarkia affinis H. Lewis, C. Epling 1947-5-2 198 San Joaquin 18.0 mi w U.S. Highway 50 at Tracy (Corral Hollow Road between Livermore and Tracy) 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
  UCD104868  Clarkia purpurea Marvin Nies 1951-5-4 54 San Joaquin 7 miles E of Lodi on Harney Lane. Comment
  RSA41297  Clarkia purpurea subsp. purpurea Robert F. Hoover 1937-5-18 2183 San Joaquin Near Lathrop Comment
  UCD96870  Clarkia purpurea subsp. quadrivulnera Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6924 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
  CAS-BOT-BC165271  Clarkia speciosa subsp. nitens Volney Rattan 1885-6-1 s.n. San Joaquin Mokelumne Riv. Comment
  CAS-BOT-BC165403  Clarkia tembloriensis Mrs. A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow near Tracy Comment
  CAS-BOT-BC165729  Clarkia williamsonii Gladys L. Smith 1959-5-1 1047 San Joaquin Near Wallace Comment
  POM146134  Claytonia perfoliata E. E. Stanford 1927-3-11 106 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
  JEPS78660  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-2-28 1750 San Joaquin 18 mi sw Lockeford (between Waterloo and Lockeford) Comment
  UC7894  Claytonia perfoliata subsp. perfoliata F. W. Gunnison May 1896 San Joaquin Linden Comment
  UCD95589  Clematis ligusticifolia G. F. Hrusa 1992-8-25 9541 San Joaquin Caswell Memorial State Park. Comment
  POM355818  Cnicus benedictus E. E. Stanford 1930-4-12 1311 San Joaquin Manteca Comment
  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
  UCD96903  Collinsia heterophylla var. heterophylla Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6944 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  POM196282  Collinsia sparsiflora E. E. Stanford 1928-3-20 822 San Joaquin Near Peters. 30 Comment
  UC672468  Collinsia sparsiflora var. collina H. L. Mason 1929-4-7 5166 San Joaquin 10 mi e of Escalon Comment
  POM146209  Conium maculatum E. E. Stanford 1927-5-28 457 San Joaquin Stockton, Louis Park Comment
  SEINET3407242 Image available Convolvulus arvensis P. O. Schallert 1945-5-10 s.n. San Joaquin Woody post near Stockton, California, San Joaquin County. Comment
  UC23128  Convolvulus arvensis J. A. Sanford 1890-1 334 San Joaquin Stockton Comment
  UC23133  Convolvulus arvensis H. P. Fitch 1888-8-7 149 San Joaquin Stockton Comment
  UC23166  Convolvulus simulans F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  CDA9320  Conyza canadensis G. F. Hrusa, R. Rhode 2013-11-8 18532 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 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
  JEPS18191  Coreopsis calliopsidea Rimo Bacigalupi with F. Chisaki 1956-4-5 5582 San Joaquin first side canyon 0.45 mi ne Alameda-San Joaquin County line (off of Corral Hollow, about 1.5 mi n of the Corral Hollow Road) 396 Comment
  CHSC96773  Coreopsis tinctoria J. F. Silva; R. E. Skaggs 1966-11-17 San Joaquin Roadside, rd. to Bellota, 1 mil. n. of Escalon, San Joaquin Co. Comment
  UCR182953  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 s.n. San Joaquin 2 miles NE of Escalon Comment
  CDA7464  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles east of Escalon, 0.3 mile west of Sutliff Road, north side of Lemon Avenue. 0 Comment
  RSA397438  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  RSA397439  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  CAS-BOT-BC210343  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
  UC455495  Cotula coronopifolia N. K. Berg 1903-11-23 San Joaquin Stockton, Rough and Ready Island Comment
  UC61018  Cotula coronopifolia N. K. Berg 1903-11-28 San Joaquin Stockton, Rough and Ready Island Comment
  UCR62343  Cotula coronopifolia 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
  CAS-BOT-BC427687  Crassula connata Volney Rattan 1877-3-1 s.n. San Joaquin Live Oaks of Mokelumne River Comment
  UCR232227  Crassula tillaea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17094 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
  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
  JEPS77908  Cressa truxillensis Edward Lee 1934-7-4 959 San Joaquin Holt Comment
  JEPS77909  Cressa truxillensis Edward Lee 1934-7-4 959 San Joaquin Holt Comment
  UC1745568  Cressa truxillensis Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 680 San Joaquin Holt. Comment
  UC23224  Cressa truxillensis J. A. Sanford 1890-1 42 San Joaquin Stockton Comment
  UCD59934  Crypsis schoenoides Beecher Crampton 1960-8-9 5772 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC190196  Crypsis vaginiflora C. V. Piper 1921-5-26 s.n. San Joaquin About Stockton. Comment
  CDA1920  Crypsis vaginiflora F. M. Newhall 1960-10-1 San Joaquin Bear Creek, E of Clements. 0 Comment
  JEPS68484  Crypsis vaginiflora W. L. Jepson 1923-10-22 10280 San Joaquin San Joaquin Ci<ty?> Comment
  POM196211  Crypsis vaginiflora E. E. Stanford 1929-11-1 1183 San Joaquin Stockton; in sand in Calaveras River bottom Comment
  POM206675  Crypsis vaginiflora Katherine Brandegee 1907-10-2 s.n. San Joaquin along Western Pacific Railway near Stockton. Comment
  RSA115549B  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north [of] Farmington, vernal pool 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
  UCR132238  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin Central Valley, 4.5 miles north of Farmington 30 Comment
  UCR66619  Crypsis vaginiflora E. E. Stanford 1929-11-1 1183 San Joaquin San Joaquin Valley, Near Stockton Comment
  SEINET4565759  Crypsis vaginiflora K. Brandegee 1907-10-2 s.n. San Joaquin Stockton to French Camp Comment
  SEINET7040050  Cryptantha hooveri A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  UC763024  Cryptantha nevadensis R. F. Hoover 1938-4-9 3026 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC763027  Cryptantha nevadensis R. F. Hoover 1938-4-9 3041 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow 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
  RSA696029  Cryptantha nevadensis var. rigida D. W. Taylor 1995-4-13 14815 San Joaquin Hospital Canyon. 320 Comment
  CHSC33085  Cucurbita foetidissima Robert A. Schlising; A. Eagle, B. Liles 1962-8-25 2345 San Joaquin 1.5 mi N Salida, along Hwy 99 and S. P. RR. Comment
  UC416541  Cucurbita foetidissima Harriet A. Walker 1907-9-8 938 San Joaquin Lathrop Comment
  UC764802  Cucurbita foetidissima R. F. Hoover 1934-10-21 80 San Joaquin near Escalon Comment
  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
  CDA33904  Cuscuta campestris Scott Barnes & Will Melehani 2008-8-19 PDR# 1556401 San Joaquin Stockton; 220 East Fulton St. 0 Comment
  UCD144408  Cuscuta campestris G. F. Hrusa; M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin Caswell Memorial State Park. At west terminus of Fence Line Trail. 20 Comment
  UCD54462  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Tracy area, Kasson Rd. Comment
  UCD54463  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Frontage Rd. along State Hwy 99. Comment
  UCD54472  Cuscuta campestris Franz R. Kegel 1974-6-19 s.n. San Joaquin Roberts Island. Comment
  UCD54415  Cuscuta indecora var. indecora Mick Canevari 1986-9-1 s.n. San Joaquin Tracy. Comment
  UCD54416  Cuscuta indecora var. indecora Mick Canevari 1986-6-16 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
  JEPS22964  Cuscuta subinclusa Volney Rattan Sep 1881 San Joaquin Mokelumne River Comment
  UC23248  Cuscuta subinclusa F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UCR273462  Cuscuta subinclusa Mitch Provance 2016-7-24 716- 08 San Joaquin Central Sierra Nevada, 3 miles S of North Fork, along Rd. 222, about 0.1 mi S of Ciatana Creek Rd. 690 Comment
  CDA1937  Cynodon dactylon T. C. Fuller 1961-9-13 6994 San Joaquin Delta; Sherman Island, ca. 4 miles east of Thornton; Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge. 0 Comment
  POM1180  Cynodon dactylon N. K. Berg 1903-10-12 s.n. San Joaquin Stockton Rough & Ready Island Comment
  CDA40500  Cynoglossum grande T. C. Fuller 1971-4-22 19844 San Joaquin North slope of Mt. Bordman. 0 Comment
  UCD141011  Cyperus difformis G. F. Hrusa; S. A. Wagner 1992-8-9 9355 San Joaquin Caswell Memorial State Park; at Oxbow Lake. Comment
  CAS-BOT-BC114445  Cyperus eragrostis John Thomas Howell 1933-7-20 11449 San Joaquin 2 mi NW of Lathrop bridge on San Joaquin River. Comment
  UC1100531  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton Comment
  UCD141053  Cyperus eragrostis G. F. Hrusa 1992-8-26 9543 San Joaquin Caswell Memorial State Park. Comment
  UCR63933  Cyperus eragrostis L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC114447  Cyperus eragrostis Ernest Elwood Stanford 1927-5-26 432 San Joaquin Stockton. In sand in Calaveras River bottom Comment
  SEINET3909432  Cyperus eragrostis D. W. McNeal 1982-7-7 2662 San Joaquin N of Eight Mile Rd. 0.6 mi. W of Interstate #5 N of Stockton.; 0 Comment
  UCD141079  Cyperus eragrostis Herbert L. Mason; Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton. Comment
  CAS-BOT-BC114355  Cyperus erythrorhizos John Thomas Howell 1967-10-19 44019 San Joaquin Open grassy place among willows, Caswell Memorial State Park. Comment
  CDA2588  Cyperus esculentus M. Huffaker 1968-8-19 San Joaquin Tracy district. 0 Comment
  CDA2595  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  CHSC96357  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. Comment
  CHSC97915  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thornton-Walnut Gove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thornton. 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
  UCR132251  Cyperus esculentus Beecher Crampton 1954-10-18 2290 San Joaquin San Francisco Bay Region, 0.5 miles north of Thornton 3 Comment
  CDA37703  Cyperus esculentus Breckenridge/Filippini 2006-7-15 s.n. San Joaquin Near Banta. 0 Comment
  HSC103373  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton-Walnut Grove Rd., 0.1 mi. E of Mokelumne River Bridge, Sherman Island, ~ 4 mi. W of Thorton Comment
  RSA365060  Cyperus esculentus Cyril R. Owen 1928-8-20 s.n. San Joaquin Stockton 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
  CAS-BOT-BC114227  Cyperus fuscus Peter Rubtzoff 1964-9-20 s.n. San Joaquin Caswell Memorial State Park. Wet margin of Stanislaus River. Comment
  CDA38963  Cyperus niger var. capitatus M. Switzerberg 1958-9-24 s.n. San Joaquin BM 18.2 Highway 120 0 Comment
  CAS-BOT-BC114043  Cyperus squarrosus Peter Rubtzoff 1965-7-13 s.n. San Joaquin San Joaquin River bottom at Airport Way crossing. Comment
  SEINET3412871 Image available Cyperus virens P. O. Schallert 1945-5-20 C 275 San Joaquin Near Stockton. Comment
  UC101982  Cypselea humifusa Katharine Brandegee 1892-9-9 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UC465729  Cypselea humifusa Harriet A. Walker 1907-9-8 912 San Joaquin Lathrop beyond drawbridge. Comment
  UC7683  Cypselea humifusa unknown 1887-8-26 San Joaquin near Lathrop (San Joaquin River); San Joaquin River Comment
  UCD39758  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-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
  UCR62330  Damasonium californicum L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  CAS-BOT-BC445540  Damasonium californicum Catherine Best 1985-4-22 1070 San Joaquin At the edge of the road from Clements to Ione - directly west of the Camanche Reservoir Dam. 60 Comment
  SEINET7042493  Damasonium californicum A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  JEPS12297  Datura wrightii W. L. Jepson 1918-7-7 7718 San Joaquin Manteca Comment
  RSA605646  Datura wrightii Louis C. Wheeler 1952-9-30 6999 San Joaquin At mouth of Corral Hollow Creek.. Comment
  UCR253495  Datura wrightii George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20081 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  SEINET6168343  Datura wrightii M. Wilt 1982-9-3 s.n. San Joaquin Just east of Lodi near old water tower 6 Comment
  CAS-BOT-BC299938  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299940  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-BC299946  Deinandra kelloggii E. E. Stanford 1930-5-10 1470 San Joaquin Near Stanislaus River Comment
  JEPS38270  Deinandra kelloggii W. L. Jepson 1896-6-27 San Joaquin near Stockton Comment
  CAS-BOT-BC299942  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299943  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  RSA22187  Delphinium californicum subsp. interius Alice Eastwood, John T. Howell 1938-5-24 5796 San Joaquin Hospital Canyon. Comment
  UC618416  Delphinium californicum subsp. interius Alice Eastwood and John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33206  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  JEPS21160  Delphinium californicum var. interius Alice Eastwood, John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  NY353313  Delphinium californicum var. interius A. Eastwood 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  RSA0005302  Delphinium californicum var. interius Alice Eastwood, John T. Howell 1938-5-24 5796 San Joaquin Hospital Canyon. Comment
  LA38161  Delphinium gypsophilum Lewis; Carl Epling 452 San Joaquin 1 mi. E of Midway (W of Tracy) Comment
  UC765769  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mi e Midway Comment
  SEINET3101791  Delphinium parishii subsp. parishii Ellen Dean, Clare Loughran, Mary Shea, Wilde Legard 2011-4-22 6956 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. 289 Comment
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May 14 2015
  UCD96919  Delphinium parishii subsp. parishii Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6956 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
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May 14 2015
  CDA24248  Delphinium parryi subsp. parryi T. C. Fuller 1962-4-24 8224 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC596429  Delphinium parryi subsp. parryi R. F. Hoover 1938-5-7 3355 San Joaquin 1 mi N of Corral Hollow near Alameda Co. line Comment
  UC765752  Delphinium parryi subsp. parryi R. F. Hoover 1938-5-7 3355 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  UC1601418  Delphinium patens J. A. Sanford 1890-1 424 San Joaquin Comment
  CAS-BOT-BC116443  Delphinium patens subsp. patens Alice Eastwood; John Thomas Howell 1935-4-7 2093 San Joaquin East end of Corral Hollow Comment
  LA207555  Delphinium variegatum H. Lewis; Carl Epling 1946-5-6 607 San Joaquin Tesla--Corral Hollow Rd., 17.3 mi. W of junction with U.S. 50, W of Tracy Comment
  LA38343  Delphinium variegatum Lewis; Epling 608 San Joaquin Tesla--Corral Hollow Rd., 17.3 mi. W of junction with U.S. 50, W of Tracy Comment
  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
  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
  UC762963  Descurainia pinnata Robert F. Hoover 1935-3-1 241 San Joaquin 5 mi sw Ripon Comment
  CAS-BOT-BC43132  Descurainia pinnata subsp. brachycarpa E. E. Stanford 1928-3-10 797 San Joaquin Manteca. 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
  HSC3076  Dichelostemma capitatum subsp. capitatum D. A. Shally 1965-4-10 6 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA333571  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-10 20 San Joaquin N side of State Route 88, 0.5 mile S of Jan Joqauin County line. 270 Comment
  CAS-BOT-BC209016  Digitaria sanguinalis L. R. Abrams 1917-9-14 6738 San Joaquin 3 mi. northwest of Stockton, Calaveras River Comment
  RSA128802  Digitaria sanguinalis P. H. Raven 1951-6-27 3101 San Joaquin Tracy to Monteca Comment
  UCD64130  Digitaria sanguinalis Morris Halperin 1930-7-15 San Joaquin San Joaquin County Hospital, French Camp. Comment
  UCR232646  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18436 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-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-BC151366  Diplacus tricolor Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151369  Diplacus tricolor D. K. Gillespie; J. W. Gillespie 1930-4-24 9225 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC151370  Diplacus tricolor Roxana S. Ferris 1953-5-15 12645 San Joaquin On road between Everett School & intersection with Bellota-Farminton Road ca. 1 mi. W of intersection. Comment
  CAS-BOT-BC208634  Distichlis spicata E. E. Stanford 1930-5-10 1474 San Joaquin West Ripon Rd. Comment
  UC73788  Distichlis spicata Mr. Sanford San Joaquin Stockton Comment
  UCD64194  Distichlis spicata B. A. Madson 1928-11-22 San Joaquin Stockton. Comment
  UCD64485  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  SEINET10558194  Distichlis spicata var. nana E. E. Stanford 1930-5-10 Stanford 1474 San Joaquin West Ripon Rd. Roadsides in alkaline soil. Comment
  SBBG133735  Dittrichia graveolens G. K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin St Hwy 26, 0.6 mi NE of Escalon-Bellota Rd 40 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
  UCR253800  Dittrichia graveolens George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20062 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  SEINET7076108  Dodecatheon clevelandii subsp. patulum A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC1039534  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1927-4-7 5201 San Joaquin 4 mi e Clements; e of Clements Comment
  UC22403  Dodecatheon clevelandii subsp. patulum J. A. Sanford 1890-1 61 San Joaquin W Stockton 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
  RSA654063  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin 7 3/4 miles NNE of Lodi, intersection of Liberty and Bruella roads. Comment
  UC764546  Downingia bella R. F. Hoover 1935-5-12 563 San Joaquin sw of Modesto (along San Joaquin River) Comment
  JEPS14456  Downingia bicornuta var. picta W. L. Jepson 1929-4-28 15192 San Joaquin Lockeford 30 Comment
  UC1143162  Downingia bicornuta var. picta R. D. Roseberry 1935-5-13 167 San Joaquin 2 mi ssw Wallace; Jackson Quad. 121 Comment
  UC635660  Downingia bicornuta var. picta H. L. Mason 1932-4-24 6973 San Joaquin 11 mi s Clements Comment
  UC903255  Downingia bicornuta var. picta Ethel Crum 1932-5-1 1421 San Joaquin 2 mi ne Lockeford Comment
  UCD33076  Downingia bicornuta var. picta Beecher Crampton 1966-5-3 7688 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  CDA42334  Downingia bicornuta var. picta T. C. Fuller 1962-5-1 8339 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  JEPS108501  Downingia bicornuta var. picta Lisa Schultheis 1996-5-10 301 -96 San Joaquin SE of Lockeford. NE corner of Jordy and Kettleman Rds. Comment
  UC1189255  Downingia cuspidata S. Galen Smith 1957-5-24 2938 San Joaquin Farmington to Bellota road (by entrance to J. Bentoni ranch) Comment
  UCR62339  Downingia elegans 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
  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
  POM215483  Downingia insignis Adele Lewis Grant 1916-3-3 s.n. San Joaquin Stockton. Comment
  UC1192048  Downingia insignis F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1981 San Joaquin ca 3 mi e Stockton (Highway 4) 7 Comment
  UC28976  Downingia insignis J. A. Sanford 1890-1 161 San Joaquin Stockton Comment
  CDA42325  Downingia insignis T. C. Fuller 1962-5-1 8295 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  CDA42328  Downingia insignis T. C. Fuller 1962-5-1 8299 San Joaquin Highway 12 to Wallace, 5.6 miles east of Clements. 0 Comment
  POM312382  Downingia insignis Francia Chisaki, S. Galen Smith, Peter M. Ray 1951-4-14 1981 San Joaquin Hwy 4, ca 3 miles E of Stockton. 8 Comment
  POM195907  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters. Comment
  POM312381  Downingia ornatissima Francia Chisaki, S. Galen Smith 1951-4-14 1987 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. Comment
  JEPS13012  Downingia ornatissima var. eximia Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5072 San Joaquin 2.2 mi w Calaveras County line (along State Highway 8, foothills of the Sierra Nevada); Sierra Nevada 53 Comment
  JEPS14405  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC1192047  Downingia ornatissima var. eximia F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1987 San Joaquin 0.6 mi n Collegeville (on road toward Lockeford, e of road) 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
  UC1189253  Downingia ornatissima var. ornatissima S. G. Smith 1957-5-11 2895 San Joaquin 3 mi n Valley Home (near Cometa, 0.5 mi se of junction of Cometa and Dodds roads between the road and the railroad tracks) Comment
  UC579410  Downingia ornatissima var. ornatissima C. M. Belshaw 1936-4-23 1965 San Joaquin 7 mi sw Stone Corral; Jackson Quad. 60 Comment
  UC765630  Downingia ornatissima var. ornatissima R. F. Hoover 1937-6-10 2397 San Joaquin Farmington Comment
  UC890647  Downingia ornatissima var. ornatissima C. L. Hitchcock 1940-4-29 6304 San Joaquin 3 mi s Galt 15 Comment
  UC28989  Downingia pulchella F. W. Gunnison May 1896 San Joaquin Linden 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
  UCD98791  Dysphania chilensis Collector Unknown 1928-10-1 1444 San Joaquin Stockton. Comment
  CAS-BOT-BC291095  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
  LA202391  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 the southwestern part of county 120.0 Comment
  RSA21844  Eastwoodia elegans Alice Eastwood 1938-5-24 5791 San Joaquin Hospital Canyon. Comment
  RSA94379  Eastwoodia elegans E. K. Crum 1933-6-4 1490 San Joaquin 8 miles west of Tracy on Tesla Road. Comment
  CDA25995  Echinochloa colona G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14228 San Joaquin San Joaquin Valley; Junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, northeast of Lodi. Comment
  JEPS110499  Echinochloa colona Robert E. Preston 2004-11-16 2305 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 Comment
  UCR253540  Echinochloa colona George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20086 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UC1056241  Echinochloa crus-galli Virginia E. Long September 1930 10 a San Joaquin Holt Comment
  UCD32934  Echinochloa crus-galli Beecher Crampton 1965-7-12 7454 San Joaquin San Joaquin County, 1 mile north of Thornton. Comment
  UCD60850  Echinochloa crus-galli Beecher Crampton 1965-10-26 7551 San Joaquin 1.5 miles north of Lodi, US Hwy. 99. Comment
  UCD60859  Echinochloa crus-galli W. W. Mackie 1919-10-24 X- 3324 San Joaquin Stockton. Comment
  UCD60899  Echinochloa crus-galli G. F. Hrusa; S. A. Wagner 1992-8-9 9348 San Joaquin Caswell Memorial State Park. Frequent on open, moist riverbanks, usually in disturbed sites. Annual to 4 ft. Comment
  UCR201899  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-9 14241 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
  CAS-BOT-BC197221  Echinochloa crus-pavonis Brian Atwater 1978-8-24 BA- 118 San Joaquin Between Rindge Tract and Wright Tract Comment
  JEPS47815  Echinochloa crus-pavonis W. L. Jepson 1913-11-22 5691 San Joaquin Middle R., Lower San Joaquin Comment
  UC1745651  Echinochloa crus-pavonis Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 679 San Joaquin By aqueduct. Holt. Comment
  UCD32937  Echinochloa crus-pavonis Beecher Crampton 1965-7-12 7457 c San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCD61100  Echinochloa muricata var. microstachya E. M. Johnston 1915-1 64 -J San Joaquin San Joaquin River. Comment
  CAS-BOT-BC291133  Eclipta prostrata John Thomas Howell 1929-9-21 4399 San Joaquin Holt Comment
  CDA15561  Eclipta prostrata G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14892 San Joaquin Caswell Memorial State Park. Stanislaus River W terminus of Fence Line trail. Comment
  JEPS74992  Eclipta prostrata L. R. Heckard and P. Rubtzoff 1971-9-15 2810 San Joaquin about 4 air mi sw Ripon; Caswell State Park, margin of Stanislaus River Comment
  UC88709  Eclipta prostrata T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC291134  Eclipta prostrata J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UC1023868  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along e side of Old River Channel near junction with False River; Old River Channel Comment
  UC629704  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin sw of Holt (Trapper Slough); Robert's Island Comment
  CAS-BOT-BC451503  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
  SBBG45002  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, SW of Holt Comment
  UCSB27348  Eichhornia crassipes Havlik, Neil 1969-7-27 San Joaquin Trapper Slough, about nine miles west of Stockton 6 Comment
  UCD110437  Elatine ambigua W. A. Harvey; D. E. Bayer 1962-6-27 s.n. San Joaquin Property of Al Sorrenti, ca. 5 miles northeast of Escalon. Comment
  UC762319  Elatine triandra R. F. Hoover 1937-6-10 2402 San Joaquin 2 mi ne Clements Comment
  CDA39000  Eleocharis obtusa var. engelmannii J. F. Silva 1964-6-16 s.n. San Joaquin Escalon district. 0 Comment
  CAS-BOT-BC197328  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along n. bank of Coyote Creek, n.e. of Collier Rd. & Linn Rd., ca. 2.5 mi. n. of Clements Comment
  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
  RSA269273  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1. m. s. of Lodi Comment
  UCD61225  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 mile S of Lodi. Comment
  UCD61258  Eleusine tristachya R. S. Baskett 1970-10-1 San Joaquin On south side of Kingdon Road, 1/2 mile E of Thornton Road, ca. 5 miles SW of Lodi. Comment
  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
  CAS-BOT-BC451538  Elodea canadensis H. L. Mason 1939-6-9 12104 a San Joaquin About 9 miles southeast of 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
  POM359957  Elymus multisetus E. E. Stanford 1930-5-26 1523 San Joaquin Harvey Lane; roadsides 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
  UCR64470  Endolepis covillei E. E. Stanford 1930-1 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
  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
  UC596386  Epilobium campestre R. F. Hoover 1936-6-11 1301 San Joaquin Farmington Comment
  UCD105787  Epilobium ciliatum subsp. ciliatum G. F. Hrusa 1992-8-26 9563 San Joaquin Caswell Memorial State Park. OxBow Lake. Comment
  UC765022  Epilobium cleistogamum Robert F. Hoover 1935-6-12 644 San Joaquin Farmington San Joaquin Valley (beds of vernal pools) Comment
  RSA684652B  Equisetum arvense Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  UCD135379  Equisetum hyemale subsp. affine G. F. Hrusa; S. A. Wagner 1992-4-22 9277 San Joaquin Caswell Memorial State Park. 100 Comment
  CDA33659  Equisetum telmateia subsp. braunii Rand Medina 2011-4-5 PDR# 1432095 San Joaquin Stockton; Zuckerman Heritage Inc. Guard Road/Corria St. 0 Comment
  UCR201914  Eragrostis curvula George K. Helmkamp, E. A. Helmkamp 2008-10-9 14230 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  CAS-BOT-BC213587  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin Ca. 3 miles NE of Vernalis, Durham Ferry Road crossing of the San Joaquin River Comment
  JEPS74991  Eragrostis hypnoides L. R. Heckard and P. Rubtzoff 1971-9-15 2809 San Joaquin ca. 4 air mi. s.w. Ripon (Stanislaus R. at Caswell State Park); Caswell State Park, Stanislaus R. Comment
  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
  UC188865  Eragrostis hypnoides Michener and Bioletti 1891-8-31 144 San Joaquin Lathrop Comment
  UC38312  Eragrostis hypnoides Michener and Bioletti 1891-8-30 144 San Joaquin Lathrop Comment
  UCD63215  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  UCD63382  Eragrostis hypnoides G. F. Hrusa; S. A. Wagner 1992-8-9 9361 San Joaquin San Joaquin Co. Oxbow Lake. Comment
  CAS-BOT-BC204639  Eragrostis mexicana subsp. virescens L. R. Abrams 1914-9-14 6740 San Joaquin 3 mi northwest of Stockton - Calaveras River Comment
  POM352245  Eragrostis mexicana subsp. virescens Flossie Draper 1927-9-27 26 San Joaquin near campus Comment
  UCD64101  Eragrostis mexicana subsp. virescens Alan A. Beetle 1946-8-5 4411 San Joaquin 3 miles north of Lockford. Comment
  UCR25089  Eragrostis mexicana subsp. virescens Alfred R. Roos 1938-7-31 10015 San Joaquin Lodi 15 Comment
  UCD38678  Eragrostis pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  UCD64332  Eragrostis pectinacea Beecher Crampton 1956-7-30 3738 San Joaquin eastern city limits of Lockeford. Comment
  UCD64454  Eragrostis pectinacea J. W. Adriance 1921-10-6 San Joaquin Stockton. Comment
  UCD65658  Eragrostis pectinacea var. miserrima Beecher Crampton 1955-9-7 3151 San Joaquin 6.4 miles south of Thornton. Comment
  UCD64320  Eragrostis pectinacea var. pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  UCD36785  Eragrostis pilosa Beecher Crampton 1955-9-7 3151 San Joaquin 6.4 miles south of Thornton. Comment
  POM61829  Eremalche parryi C. F. Baker 1923-4-25 2869 San Joaquin Tracy Comment
  UC763014  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  UC763043  Eremalche parryi R. F. Hoover 1935-4-21 551 San Joaquin Corral Hollow 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
  CAS-BOT-BC160111  Eremothera boothii subsp. decorticans Alice Eastwood; John Thomas Howell 1938-4-18 5090 San Joaquin Hospital Canyon Comment
  JEPS69091  Eriastrum pluriflorum W. L. Jepson 1896-6-27 15048 San Joaquin on e and w road Lower San Joaquin (river bridge (Mossdale School) to Atlanta) Comment
  RSA616129  Ericameria L. C. Wheeler 1952-9-29 6992 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CDA4607  Ericameria linearifolia T. C. Fuller 1962-4-24 8219 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  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
  UCR195149  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13092 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  JEPS2573 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  JEPS2574 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  JEPS41502  Erigeron foliosus var. franciscensis W. L. Jepson 1896-6-27 San Joaquin Lower San Joaquin River Comment
  POM196262  Erigeron philadelphicus E. E. Stanford 1928-5-16 1012 San Joaquin Stockton, Calaveras River bottom Comment
  UCD73467  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. 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
  UCD101512  Eriogonum G. L. Stebbins Jr.; Alva Day 1966-3-12 6312 San Joaquin near bridge at lower end of Corral Hollow. Comment
  POM165494  Eriogonum angulosum Katherine Brandegee 1907-10-2 s.n. San Joaquin Along railroad track near Stockton 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
  UCD96871  Eriogonum fasciculatum var. polifolium Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6925 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
  CAS-BOT-BC250506  Eriogonum gracile John Thomas Howell 1932-10-16 10844 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  JEPS56941  Eriogonum gracile F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  RSA229  Eriogonum gracile var. gracile J. T. Howell 1927-8-27 706 San Joaquin Near Manteca, San Joaquin Valley 15 Comment
  CAS-BOT-BC259463  Eriogonum luteolum Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  CAS-BOT-BC259464  Eriogonum luteolum Volney Rattan No date on label s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC261451  Eriogonum nudum var. nudum Mrs. Ella D. Cantelow 1957-7-19 s.n. San Joaquin 3.5 miles west of Manteca Comment
  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-BC269735  Eriogonum nudum var. oblongifolium V. Rattan 1880-10-23 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  CAS-BOT-BC269737  Eriogonum nudum var. oblongifolium Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  UCD77657  Eriogonum nudum var. pauciflorum Robert E. Preston 1997-10-14 1053 San Joaquin Lawrence Livermore National Laboratory, Site 300 457 Comment
  CAS-BOT-BC269833  Eriogonum nudum var. pubiflorum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  JEPS22948  Eriogonum nudum var. pubiflorum Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks, Rattan's Ranch Comment
Read comments
Dec 29 2006
  RSA135358  Eriogonum roseum Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  UCR242631  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-4-7 15824 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UCR253607  Erodium botrys George K. Helmkamp 2014-3-18 22572 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  POM146119  Erodium brachycarpum E. E. Stanford 1927-3-17 111 San Joaquin Near Stockton. Comment
  UC17086  Erodium cicutarium Jos. Burtt Davy 1901-3-3 San Joaquin Lathrop Comment
  CDA56  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Near Tracy, in nursery. 0 Comment
  POM146118  Erodium moschatum E. E. Stanford 1926-10-26 83 San Joaquin Stockton. Comment
  UC17108  Erodium moschatum J. A. Sanford 1890-1 50 San Joaquin Stockton Comment
  UCR232283  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17064 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCR253570  Erodium moschatum George K. Helmkamp 2014-3-18 22583 San Joaquin Eastern San Joaquin Valley, Collier Road, 0.2 mile west of its junction with CA-88, c. 2 miles west of Comanche Reservoir 43 Comment
  UC32458  Eryngium aristulatum var. aristulatum F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UCD77714  Eryngium castrense Robert E. Preston 2004-7-9 2270 San Joaquin Ca. 7.7 mi E of Lockeford. 85 Comment
  UCR62344  Eryngium castrense 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
  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
  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
  UC69903  Eryngium racemosum J. A. Sanford San Joaquin near Holden 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
  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-BC54451  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-4-18 5086 San Joaquin Hospital Canyon. Comment
  UCD96926  Erysimum capitatum var. capitatum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6960 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
  RSA0004636  Eschscholzia arvensis C. F. Baker 1903-4-25 2906 San Joaquin Tracy. Comment
  CAS-BOT-BC403522  Eschscholzia californica Brandegee 1889-5-1 s.n. San Joaquin Tracy Comment
  CAS-BOT-BC403526  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  CAS-BOT-BC5871  Eschscholzia californica Charles Fuller Baker 1903-4-25 2778 San Joaquin Tracy [as Tracey] Comment
  JEPS51790  Eschscholzia californica W. L. Jepson 1902-5-18 1821 San Joaquin Clements 40 Comment
  UC142899  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  UC766001  Eschscholzia californica Robert F. Hoover 1935-3-1 255 San Joaquin Vernalis Comment
  UCR242789  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15829 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC403524  Eschscholzia californica E. E. Stanford 1927-4-3 136 San Joaquin Near Linden Comment
  CAS-BOT-BC403529  Eschscholzia californica L. R. Abrams 1927-3-31 9959 San Joaquin 3 mi from Manteca on Stockton Road 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
  POM196284  Eschscholzia californica var. peninsularis E. E. Stanford 1928-3-10 799 San Joaquin Manteca. 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
  CAS-BOT-BC419476  Eschscholzia lobbii Volney Rattan 1885-3-20 s.n. San Joaquin Live Oaks Comment
  UC10059  Eschscholzia lobbii F. W. Gunnison May, 1896 San Joaquin Linden 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
  SEINET12190740  Eucalyptus viminalis E. E. Stanford 1927-1 95 San Joaquin Stockton 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
  RSA170314  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Between he rails of the W.P.R.R. tracks, Terminus. Comment
Read comments
Jan 4 2011
  UCD142342  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Terminous. Comment
  UCD142579  Euphorbia maculata Daryl Koutnik 1988-8-23 s.n. San Joaquin Acampo, north of Lodi at 5401 Jahanat Road, 1 mile east of Hwy 99. 22 Comment
  UCD142607  Euphorbia maculata Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 Comment
  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
  UCD142634  Euphorbia nutans Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 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
  UCR235276  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2011-11-21 18476 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  CDA35307  Euphorbia spathulata T. C. Fuller 1962-4-24 8234 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC31899  Euthamia occidentalis F. T. Bioletti 1891-8-30 San Joaquin Comment
  UC88076  Euthamia occidentalis T. S. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  CAS-BOT-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
  RSA473731  Euthamia occidentalis Cyril R. Owen 1927-9-27 30 San Joaquin River bottom near campus Comment
  SEINET8687859 Image available Euthamia occidentalis N. K. Berg 1903-12-12 s.n. San Joaquin Stockton, Rough and Ready Island Comment
  UCD132344  Euthamia occidentalis G. F. Hrusa; S. A. Wagner 1992-8-9 9332 San Joaquin on immediate river margin, Caswell Memorial State Park. Comment
  SEINET3271554 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14469 San Joaquin San Joaquin Valley; along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  SEINET3821915 Image available Festuca myuros George K. Helmkamp, E. A. Helmkamp 2010-4-7 15833 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi NE (27 degrees) of Clements 7.5' Q) 47 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
  UCD111863  Ficus carica G. F. Hrusa 1992-8-25 9559 San Joaquin Caswell Memorial State Park. Stanislaus River. Comment
  UCD39028  Fimbristylis vahlii Beecher Crampton 1960-8-9 5769 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  RSA21470  Forestiera pubescens Carl B. Wolf 1937-3-31 8404 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 Comment
  RSA604700  Forestiera pubescens Louis C. Wheeler 1952-9-29 6991 San Joaquin Corral Hollow Creek, near Ladd Mine. Comment
  CAS-BOT-BC52514  Frangula californica subsp. californica Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211626  Frankenia salina L. R. Abrams 1915-7-27 5318 San Joaquin San Joaquin Valley, near Volta Comment
  CAS-BOT-BC211629  Frankenia salina Ira L. Wiggins 1934-8-17 6981 San Joaquin Along slough 2 miles west of San Joaquin River Comment
  CAS-BOT-BC211630  Frankenia salina John Thomas Howell 1929-9-21 4398 San Joaquin Island Road between Brentwood and Stockton Comment
  UC580112  Frankenia salina Ira L. Wiggins 1934-8-17 6981 San Joaquin 2 mi w San Joaquin River 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-BC223541  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley, 1 mi. W of Farmington 30 Comment
  UC580051  Fraxinus latifolia Ira L. Wiggins 1934-10-25 6983 San Joaquin 1 mi w San Joaquin River Comment
  UCR63950  Fraxinus latifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  SEINET13943096 Image available Fraxinus oregona Carl B. Wolf 1940-1 9780 San Joaquin San Joaquin Valley, 1 mi N of Lodi on Mokelumne River; ca. 50 ft alt. 15 Comment
  CDA5864  Gaillardia pinnatifida J. B. Gianelli 1973-10-31 San Joaquin U.S.D.A. Soil Conservation Service Plant Material Center, Lockeford. 0 Comment
  SD241175  Galium aparine George K. Helmkamp, E. A. Helmkamp 2012-4-7 18730 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  CDA6668  Galium mollugo J. Solari 1965-6-7 San Joaquin M. Allen property, Route 5, Roberts Island. 0 Comment
  UC1039509  Galium trifidum H. L. Mason 1928-9-30 4959 San Joaquin near Holt; San Joaquin Delta Comment
  CDA42202  Galium triflorum F. H. Newhall 1960-5-1 # 4119 San Joaquin J.C. Harris property, Lockeford 0 Comment
  RSA129642  Gastridium phleoides R. D. Roseberry 1935-5-13 169 San Joaquin 2 1/2 miles SSW of Wallace. 122 Comment
  UC17127  Geranium carolinianum J. A. Sanford 1890-1 348 San Joaquin Stockton Comment
  POM65174  Gilia achilleifolia C. F. Baker 1903-4-27 s.n. San Joaquin Bethany Comment
  SJSU11650  Gilia capitata subsp. pedemontana S. R. Piazza 1963-5-19 San Joaquin Ripon c. 15 mi NW of Modesto Comment
  JEPS69574  Gilia capitata subsp. staminea W. L. Jepson 1922-4-2 9582 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow 182 Comment
  UC1005616  Gilia capitata subsp. staminea Frank W. Gould 1939-3-18 580 San Joaquin open hillslopes near Castle Rock (Corral Hollow); Mt. Hamilton Range, , near Castle Rock 198 Comment
  UC84865  Gilia capitata subsp. staminea Katharine Brandegee 1907-5-7 San Joaquin Lathrop near Stockton, Lathrop Comment
  UC907894  Gilia capitata subsp. staminea W. E. Fair 1929-4-14 San Joaquin Old River Antioch, Old River Comment
  JEPS86029  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end Corral Hollow Comment
  UC962107  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end of Corral Hollow Comment
  RSA21465  Gilia tricolor C. B. Wolf 1937-3-31 8399 San Joaquin W. side of San Joaquin Valley, lower end of Hospital Canyon Comment
  SJSU11621  Gilia tricolor R. L. Fisher 1958-3-8 San Joaquin Corral Hollow 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
  SEINET3828360  Gilia tricolor subsp. tricolor George K. Helmcamp, E. A. Helmkamp 2010-1 15835 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 degrees) of Clements (Goose Creek 7.5) 79 Comment
  UCR233212  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 (33 deg. ) of Clements 79 Comment
  JEPS42883  Glinus lotoides W. L. Jepson 1923-10-22 10284 San Joaquin San Joaquin City, San Joaquin River San Joaquin River; San Joaquin City, San Joaquin River Comment
  UCD77743  Glinus lotoides Robert E. Preston 2004-7-29 2275 San Joaquin Ca. 13.4 mi NE of Lodi 29 Comment
  CAS-BOT-BC435010  Glinus lotoides J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta Comment
  CDA2165  Glyceria declinata J. B. Gianelli 1994-9-16 San Joaquin Flood Road, Linden. 0 Comment
  JEPS95269  Glyceria declinata Margaret W. Flesher 1993-3-12 San Joaquin Foothills NE Of Modesto San Joaqin and Stanislaus counties Comment
  UCD66767  Glyceria declinata Margaret W. Flesher 1993-3-12 s.n. San Joaquin San Joaquin and Stanislaus Counties: Foothills northeast of Modesto, at localities marked on accompanying map. Comment
  CDA4144  Glycyrrhiza glabra J. B. Gianelli 1970-9-16 San Joaquin Cluff Road & East Pine Extension, Lodi. 0 Comment
  POM146207  Glycyrrhiza lepidota E. E. Stanford 1927-5-21 446 San Joaquin Near Stockton. In sand, Calaveras River Bottom Comment
  POM358722  Gnaphalium E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  UC485704  Gnaphalium palustre Katharine Brandegee San Joaquin San Joaquin Bridge Comment
  POM147761  Gnaphalium palustre E. E. Stanford 1927-4-27 196 San Joaquin Louis Park, Stockton. Comment
  UC20285 Image available Godetia sparsiflora Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  JEPS4215  Gratiola ebracteata R. F. Hoover 1937-6-10 2401 San Joaquin 2 mi ne Clements 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
  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
  POM359070  Grindelia camporum E. E. Stanford 1927-9-26 719 San Joaquin Stockton. Comment
  RSA80711  Grindelia camporum J. T. Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile W of Holt. Comment
  SD124906  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin Along Highway I-5, 0.7 miles north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus County line. 74 Comment
  UCD132479  Grindelia camporum G. F. Hrusa; S. A. Wagner 1992-7-8 9166 San Joaquin Caswell Memorial State Park. Eastern part of the park. Comment
  UCR194726  Grindelia camporum var. camporum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13079 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-BC304975  Grindelia hirsutula John Thomas Howell 1932-10-16 10849 San Joaquin Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  CAS-BOT-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-BC304987  Grindelia hirsutula Ira L. Wiggins 1934-10-25 6979 San Joaquin Along slough 1 mi. W. of San Joaquin Riv. Comment
  UC32097 Image available Grindelia hirsutula F. T. Bioletti 1892-9-8 San Joaquin Banta Comment
  UC32116  Grindelia hirsutula F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32172  Grindelia hirsutula Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC419707  Grindelia hirsutula Mrs. H. P. Bracelin 1930-10-11 88 San Joaquin nearing Stockton one mi w San Joaquin Bridge Comment
  UC60923  Grindelia hirsutula N. K. Berg 1903-12-10 San Joaquin Rough and Ready Isl. Comment
  UC596392  Guillenia flavescens R. F. Hoover 1938-4-9 3022 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC618388  Guillenia flavescens Alice Eastwood and John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon 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
  RSA507787  Gutierrezia californica J. C. Semple 1986-8-21 8581 San Joaquin E of Livermore, Hwy J2, near perimeter of Lawrence. Livermore Explosives Test Site. 91 Comment
  UC36819  Gutierrezia californica unknown 1861-10-18 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-BC309390  Helenium puberulum E. E. Stanford 1926-10-7 40 San Joaquin Stockton, Calaveras River bottom Comment
  CAS-BOT-BC305459  Helianthus annuus Herman Knoche 1919-11-10 Series A, No. 3013 San Joaquin Lodi 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
  UC32276  Helianthus annuus J. Burtt Davy 1893-11-13 1196 San Joaquin Stockton 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
  UCR253494  Helianthus annuus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20082 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
  POM360027  Helianthus annuus E. E. Stanford 1927-8-18 682 San Joaquin Stockton. Near railroad tracks Comment
  UCR235297  Helianthus bolanderi George K. Helmkamp, E. A. Helmkamp 2011-11-21 18474 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.1 mile north of its junction with Acampo Road, 2.3 miles SW of Camanche Reservoir 58 Comment
  CAS-BOT-BC305779  Helianthus nuttallii Brian Atwater 1978-8-16 BA- 32 San Joaquin Between Quinby Island and Franks Tract 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
  CDA1658  Heliotropium curassavicum Don McCoon Jr. 2007-6-21 PDR# 1431061 San Joaquin Stockton; Mandeville Island. Comment
  UC24846  Heliotropium curassavicum J. Burtt Davy 1893-11-13 410 b San Joaquin Stockton Comment
  UCD119429  Heliotropium curassavicum var. oculatum Randy A. Moehnke 1979-5-20 40 San Joaquin 110 yards south of Airport Way, 30 yards west of San Joaquin River. Comment
  CAS-BOT-BC305853  Helminthotheca echioides E. E. Stanford 1926-10-12 56 San Joaquin Near Stockton Comment
  JEPS12599  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  UC596092  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  POM360306  Hemizonia kelloggii D. D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  SEINET3387093 Image available Hemizonia kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles east of Manteon. 23 Comment
  RSA6489  Hemizonia kelloggii William M. Heusi 1932-5-30 214 San Joaquin Escalon. 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
  CDA7795  Hemizonia pungens J. B. Gianelli 1960-3-29 San Joaquin Thornton Road, 1 mile south of Kingdon Road. (Off I-5, west of Lodi) 0 Comment
  SEINET9289097  Hemizonia pungens Unknown 2005-5-12 San Joaquin 150 ft W of intersection of Whiskey Slough Rd and Lower Jones Rd, btwn RR tracks and EBMUD Mokelumne Aquaduct. In an old dirt rd or parking area. Comment
  CAS-BOT-BC123547  Hemizonia pungens subsp. interior David Daniels Keck 1932-6-26 1503 San Joaquin Nilegarden Station, 3 miles W of Manteca Comment
  SEINET5336911  Herniaria cinerea K. Brandegee 1907-5-7 s.n. San Joaquin Near Tracy, on the first cross road to the west. Comment
  UCD96876  Herniaria hirsuta Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6929 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  RSA21629  Herniaria hirsuta subsp. cinerea Roxana S. Ferris 1938-4-15 9405 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  UC101586  Herniaria hirsuta subsp. cinerea Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UC1076488  Herniaria hirsuta subsp. cinerea Herbert L. Mason 1932-3-19 6825 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UC444447  Herniaria hirsuta subsp. cinerea E. L. Greene 1889-4-30 San Joaquin near Bethany; ; near Bethany Comment
  UC85563  Herniaria hirsuta subsp. cinerea Alice Eastwood 1905-5-28 San Joaquin Escalon Comment
  CAS-BOT-BC310167  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin About 9 miles southeast of Stockton at junction of Austin Road and Little John Creek Comment
  CAS-BOT-BC310168  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin About 9 miles southeast of Stockton at junction of Austin Road and Little John Creek 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
  UC629721  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin Junction of Austin Road and Little John Creek; Stockton Comment
  SEINET10939142  Heterocodon rariflorum Mason Mason 5551 San Joaquin KNIGHT'S FERRY Comment
  JEPS104704  Heterodraba unilateralis J. L. and F. L. Morrison 1938-3-6 2768 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  JEPS104706  Heterodraba unilateralis J. L. and F. L. Morrison 1938-3-6 2768 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  RSA22270  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corral Hollow. 122 Comment
  UC856338  Heterodraba unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow 121 Comment
  CAS-BOT-BC310939  Heterotheca grandiflora John Thomas Howell 1930-9-28 5515 San Joaquin Holt Comment
  CAS-BOT-BC310941  Heterotheca grandiflora E. E. Stanford 1926-10-19 66 San Joaquin Near Stockton Comment
  RSA0075856  Heterotheca grandiflora Cyril R. Owen 1927-12-12 9 San Joaquin Waterfront channel. [No further location information.] Comment
  CDA32713  Hibiscus lasiocarpos P. Akers 2009-9-9 PDR# 1286190 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
  JEPS9060  Hibiscus lasiocarpos W. L. Jepson 1913-11-22 5696 San Joaquin Middle R. 1 Comment
  JEPS9103  Hibiscus lasiocarpos Roy M. Filcher 1914-9-12 San Joaquin Moorland, lower San Joaquin Comment
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Dec 3 2008
  JEPS9104  Hibiscus lasiocarpos Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  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
  UC1035822  Hibiscus lasiocarpos Annie M. Alexander and Louise Kellogg 1943-9-1 3526 San Joaquin on island near bridge Middle R. Bridge (San Joaquin R. (Byron-Stockton hwy.)); San Joaquin R. Valley, San Joaquin R. (Byron-Stockton hwy.) Comment
  CAS-BOT-BC203375  Hibiscus lasiocarpos var. occidentalis J. W. Congdon 1912-9-3 s.n. San Joaquin Middle River W of Stockton Comment
  CAS-BOT-BC123646  Hibiscus moscheutos subsp. lasiocarpos Annie Montague Alexander; L. Kellogg 1943-9-1 3526 San Joaquin Middle River Bridge, on a small, narrow island near bridge Comment
  CDA5019  Hibiscus trionum E. B. Eby 1961-10-2 San Joaquin John Graffignia property, Pullman Road, Stockton. 0 Comment
  UC632813  Hippuris vulgaris H. L. Mason 1938-8-26 12077 San Joaquin s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough Comment
  UCD105873  Hoita macrostachya G. F. Hrusa 1992-8-26 9538 San Joaquin Approx. 200 meters to west of westernmost parking area. Caswell Memorial State Park. Comment
  CAS-BOT-BC324601  Holocarpha obconica James I. McMurphy 1908-10-19 s.n. San Joaquin 3-4 miles out of Tracy Comment
  CAS-BOT-BC324607  Holocarpha obconica R. F. Hoover 1965-9-24 9646 San Joaquin River Road just norht of the Stanislaus Co. line near San Joaquin River Comment
  CAS-BOT-BC324610  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin Corral Hollow (east end) 10.5 miles S.W. of Tracy 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
  UC990596  Holocarpha obconica James I. McMurphy 1908-10-19 San Joaquin hills 3-4 mi out of Tracy Comment
  UCR45226  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  CAS-BOT-BC320346  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320374  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320376  Holocarpha virgata H. M. Hall 1930-9-25 12890 San Joaquin Lodi air-port Comment
  SEINET3928146  Holocarpha virgata David Keil 1988-8-23 20991 San Joaquin Liberty Road, 4.2 miels east of Highway 99.; 0 Comment
  POM360685  Holocarpha virgata subsp. virgata D. D. Keck 1931-10-18 1319 San Joaquin Escalon. 38 Comment
  UC2026963  Holocarpha virgata subsp. virgata David Keil 1988-8-23 20991 San Joaquin Liberty Road 4.2 miles east of Highway 99 Comment
  UC913094  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi e Farmington (on the road to Milton) 35 Comment
  CAS-BOT-BC311744  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi. east of Farmington, on road to Milton 35 Comment
  POM298329  Holozonia filipes D. D. Keck 1932-6-26 1505 San Joaquin 1.6 miles E of Farmington, on road to Milton. 35 Comment
  CAS-BOT-BC285039  Hordeum depressum E. E. Stanford 1930-4-5 1260 San Joaquin Durham Ferry Road Comment
  CAS-BOT-BC285127  Hordeum marinum subsp. gussoneanum E. E. Stanford 1930-5-12 1478 San Joaquin Robert's Island Comment
  CAS-BOT-BC285128  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Comment
  UC73787  Hordeum marinum subsp. gussoneanum Mr. Sanford San Joaquin Stockton Comment
  UCD96918  Hordeum murinum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6955 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  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
  HSC10198  Hordeum murinum subsp. leporinum C. S. Chavez 1965-4-10 28 San Joaquin Hwy. 50 downtown Tracy Comment
  UC73791  Hordeum murinum subsp. leporinum Mr. Sanford 1890-4-11 37 San Joaquin Waverly Comment
  UC765490  Hydrocotyle verticillata Robert F. Hoover 1935-9-7 718 San Joaquin Union Isl. Comment
  UCR63920  Hypericum perforatum L. F. LaPre 1990-6-5 s.n. San Joaquin Forster Ranch at the gate on Hwy 188. 76 Comment
  UCD133343  Hypochaeris glabra G. F. Hrusa; S. A. Wagner 1992-4-22 9281 San Joaquin Caswell Memorial State Park. Comment
  CDA5553  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin West of Highway 99 freeway, 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. 0 Comment
  UCD126567  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin west of Hwy 99 freeway 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. Comment
  UC770078  Isoetes orcuttii R. F. Hoover 1936-4-30 1053 San Joaquin 2 mi n Escalon Comment
  CAS-BOT-BC101967  Juglans hindsii E. E. Stanford 1930-4-26 1417 San Joaquin Milton Rd. west of Peters Comment
  POM146208  Juncus acuminatus E. E. Stanford 1927-5-2 454 San Joaquin Stockton. Comment
  RSA18400  Juncus balticus subsp. ater Carl B. Wolf 1927-6-23 504 San Joaquin 1 mile west of San Joaquin River, between Tracy and Manteca. Comment
  UC1601702  Juncus bufonius J. A. Sanford 1890-1 339 San Joaquin Stockton Comment
  RSA368182  Juncus bufonius E. E. Stanford 1930-4-26 1430 San Joaquin Copperopolis Road. Comment
  UCR128292  Juncus effusus 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
  UC1101023  Juncus effusus subsp. pacificus Verne Grant and Herbert L. Mason 1946-8-21 13071 San Joaquin Middle River Bridge Victoria Island Comment
  SJSU2023  Juniperus californica Robert L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  SEINET10531623  Juniperus californica E. E. Stanford 1930-4-5 Stanford 1217 San Joaquin Hospital Canyon. Hillsides. Herbarium of the College of the Pacific. Comment
  CAS-BOT-BC272318  Lachnagrostis filiformis E. E. Stanford 1927-5-28 456 San Joaquin Louis Park, Stockton Comment
  UCD133565  Lactuca serriola G. F. Hrusa 1992-8-26 9542 San Joaquin to the immediate west of the westernmost parking area. Caswell Memorial State Park. Comment
  UC185659  Laennecia coulteri Katharine Brandegee 1892-9-6 San Joaquin Bouldin Island Comment
  CAS-BOT-BC341283  Lagophylla glandulosa H. M. Hall 1915-9-19 10123 San Joaquin Stockton 9 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
  RSA409531  Lamium amplexicaule Cyril R. Owen 1927-10-14 s.n. San Joaquin Campus, College of the Pacific. Comment
  SD243165  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2011-3-12 17060 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50a^z) of Lodi. Grassy field. 39 Comment
  UC1614530  Lamium amplexicaule Charles M. Belshaw 1936-2-28 1520 San Joaquin about 8 mi wsw of Lockford (toward Waterloo) Comment
  UCD125088  Lamium amplexicaule G. F. Hrusa; S. A. Wagner 1992-3-4 9070 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  RSA611568  Lappula squarrosa R. S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi. 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
  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-BC324461  Lasthenia conjugens Bloomer 1869-4-1 s.n. San Joaquin Antioch Comment
  JEPS17259  Lasthenia ferrisiae R. F. Hoover 1937-5-6 2083 San Joaquin 5 mi se Stockton Comment
  CAS-BOT-BC352732  Lasthenia fremontii D. E. Breedlove 1963-5-2 4717 San Joaquin Along California Highway #8, 7 miles E of Linden. Comment
  CAS-BOT-BC352739  Lasthenia fremontii Rimo Bacigalupi; G. T. Robbins; Keith Harrison 1955-5-13 5073 San Joaquin Along California Highway No. 8, at first rolling foothills, 2.2 miles W of Calaveras County line. 53 Comment
  CHSC22938  Lasthenia fremontii Robert A. Schlising; H. G. Baker 1963-4-5 2482 San Joaquin Junction of Hwy 8 and Ospital Road. Comment
  JEPS10386  Lasthenia fremontii W. L. Jepson 1929-4-28 15199 San Joaquin Clements 60 Comment
  JEPS12796  Lasthenia fremontii Rimo Bacigalupi with G. T. Robbins 1955-5-5 4996 San Joaquin Peters station; Southern Pacific Railroad Comment
  UC1363789  Lasthenia fremontii Robert Ornduff 1957-5-24 4192 San Joaquin 0.7 mi sw Calaveras-San Joaquin County line (next to Hwy 8) 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-BC352734  Lasthenia fremontii E. E. Stanford 1930-4-17 1345 San Joaquin Ione Road. Comment
  CAS-BOT-BC352736  Lasthenia fremontii E. E. Stanford 1929-4-7 1040 San Joaquin Near Peters. Comment
  POM146141  Lasthenia fremontii E. E. Stanford 1927-4-23 184 San Joaquin Near Stockton Comment
  CAS-BOT-BC355490  Lasthenia glaberrima E. E. Stanford 1928-4-5 841 San Joaquin Stockton Comment
  CDA8119  Lasthenia glaberrima T. C. Fuller 1962-5-1 8292 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  POM146132  Lasthenia glaberrima E. E. Stanford 1927-4-12 148 San Joaquin Near Stockton. Comment
  JEPS35413  Lasthenia glabrata subsp. glabrata J. G. Lemmon 1878-8-1 San Joaquin near Stockton Comment
  POM146131  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton. Comment
  CAS-BOT-BC352815  Lasthenia glabrata subsp. glabrata Serena Philips 1915-4-2 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC352817  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  POM226880  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  RSA21424  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 Comment
  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-BC368712  Lasthenia minor Roxana S. Ferris 1937-3-4 9311 San Joaquin 6 miles from Copperopolis on the Farmington Road 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-BC385628  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  JEPS10004  Lasthenia minor W. L. Jepson 1922-4-2 9596 San Joaquin Corral Hollow Inner Coast Ranges, Corral Hollow Comment
  JEPS9906  Lasthenia minor A. D. Tenney 1915-4-14 San Joaquin Comment
  UC1357619  Lasthenia minor R. F. Hoover 1966-3-25 9740 San Joaquin just n of Stanislaus Co. line; River road along San Joaquin River Comment
  UC1363826  Lasthenia minor Robert Ornduff 1958-2-23 4750 San Joaquin 4.6 mi w of crossing of road and Delta-Mendota canal. or 6.8 mi sw of Highway 50 Corral Hollow Creek; Tesla-Corral Hollow Road Comment
  UC614971  Lasthenia minor Beryl O. Schreiber 1932-3-27 136 San Joaquin Midway Comment
  UC718454  Lasthenia minor Carl B. Wolf 1937-3-31 San Joaquin sw of Vernalis; San Joaquin Valley, Mouth of Hospital Canyon 106 Comment
  POM195973  Lasthenia minor E. E. Stanford 1928-3-20 813 San Joaquin Peters. 46 Comment
  CAS-BOT-BC213329  Lathyrus jepsonii subsp. californicus John Thomas Howell 1933-7-20 11446 San Joaquin Lathrop Bridge on San Joaquin River Comment
  CAS-BOT-BC205009  Lathyrus jepsonii var. jepsonii Brian Atwater 1978-8-16 BA- 34 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  UC61035  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-11 San Joaquin Routh & Ready Comment
  RSA43223  Lathyrus vestitus subsp. bolanderi Robert F. Hoover 1947-2-11 6616 San Joaquin Poly Canyon (Brizziolari Creek of maps) Comment
  CDA5003  Lavatera cretica T. C. Fuller 1962-6-4 8832 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  CAS-BOT-BC323860  Layia chrysanthemoides R. F. Hoover 1935-3-18 376 San Joaquin Banta Comment
  JEPS13418  Layia fremontii R. F. Hoover 1936-4-30 1060 San Joaquin Lockeford Comment
  CAS-BOT-BC323245  Layia fremontii Serena Philips 1915-4-2 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC323247  Layia fremontii E. E. Stanford 1929-4-7 1038 San Joaquin Near Peters Comment
  POM196008  Layia fremontii E. E. Stanford 1929-4-7 1038 San Joaquin Near Peters. Comment
  UCD33924  Layia fremontii Beecher Crampton 1975-4-16 9149 San Joaquin 3 miles N.E. of Clements, jct. of Liberty road and Hwy. 88. Comment
  JEPS119427  Layia munzii G. K. Helmkamp, E. A. Helmkamp 2010-4-7 15836 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. Comment
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Apr 16 2019
  UCR233466  Layia munzii George K. Helmkamp, E. A. Helmkamp 2010-4-7 15836 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
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May 24 2020
  CAS-BOT-BC380869  Layia platyglossa Roxana S. Ferris 1938-4-15 9397 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow 60 Comment
  CAS-BOT-BC380870  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380872  Layia platyglossa M. K. Curran 1884-1-1 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380873  Layia platyglossa Carl B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  JEPS15775  Layia platyglossa W. L. Jepson 1922-4-2 9568 San Joaquin Corral Hollow; Hamilton Range Comment
  POM306596  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1938-4-3 1559 San Joaquin Tracy Comment
  UC2044624  Layia platyglossa George K. Helmkamp with E. A. Helmkamp 2010-4-7 15823 San Joaquin Northeast San Joaquin Valley junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements. (Clements 7.5' Q.) Comment
  UC30681  Layia platyglossa Benj. Cobb 1900-4-10 11 San Joaquin Tracy Comment
  UC615308  Layia platyglossa Beryl O. Schreiber 1932-3-27 141 San Joaquin near Midway Comment
  RSA18940  Layia platyglossa subsp. campestris Roxana S. Ferris 1938-4-15 9387 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  UC1056242  Leersia oryzoides Virginia E. Long 1930-9-1 8 a San Joaquin near Holt 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
  CDA12519  Lemna gibba G. F. Hrusa, S. A. Wagner 1992-8-9 9343 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  UC1036118  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 mi w of Farmington 30 Comment
  UC1101238  Lemna minor Malcolm A. Nobs, S. Galen Smith 1949-10-23 1897 San Joaquin about 15 sw of Ione (on road from Ione to Clements) Comment
  SD117137  Lemna minuta Wayne P. Armstrong 1984-8-22 1214 San Joaquin Trapper Slough, north side of Highway 4, approximately 4 miles west of Holt. 2 Comment
  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
  UCR249963  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20228 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  RSA293043  Lepidium dictyotum Reino Alava 1957-3-30 582 San Joaquin San Joaquin Valley, hillside at Corral Hollow. Comment
  CAS-BOT-BC88959  Lepidium dictyotum E. E. Stanford 1928-3-10 801 San Joaquin Between Turners and Atlanta. Comment
  UC10609  Lepidium dictyotum var. acutidens F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  RSA21259  Lepidium dictyotum var. acutidens C. B. Wolf 1937-3-31 8373 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CDA15316  Lepidium latifolium J. Allan 1998-8-2 s.n. San Joaquin San Joaquin Valley; NW corner Bethany & Henderson Rd. in Tracy. 0 Comment
  NY76540  Lepidium latifolium D. W. McNeal 1982-7-7 2660 San Joaquin At the end of the slough north of Eight Mile Road, 0.6 mile west of Interstate #5 north of Stockton Comment
  UCD115702  Lepidium latifolium G. F. Hrusa; S. A. Wagner 1992-7-8 9171 San Joaquin On riverbank side of Oxbow Bar. Caswell Memorial State Park. Comment
  POM225544  Lepidium latipes J. T. Howell 1931-3-16 5782 San Joaquin 3 miles SE of Tracy. Comment
  CAS-BOT-BC12556  Lepidium nitidum John Thomas Howell 1931-3-16 5783 San Joaquin 3 miles southeast of Tracy. Comment
  CAS-BOT-BC12557  Lepidium nitidum John Thomas Howell 1931-3-16 5784 San Joaquin 3 miles southeast of Tracy. Comment
  CAS-BOT-BC12561  Lepidium nitidum Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  JEPS104703  Lepidium nitidum J. L. and F. L. Morrison 1938-3-6 2767 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Comment
  JEPS53686  Lepidium nitidum W. L. Jepson 1937-4-23 18016 San Joaquin about 5 mi se Farmington road; Stockton 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
  UCR232294  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2011-3-29 17099 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  CAS-BOT-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
  CAS-BOT-BC12783  Lepidium perfoliatum E. E. Stanford 1930-5-28 1524 San Joaquin Lincoln Highway near French Camp. Comment
  RSA429653  Lepidium perfoliatum E. E. Stanford 1930-5-28 1524 San Joaquin Lincoln Highway near French Camp Comment
  CDA3816  Lepidium pinnatifidum A. Bugbee 1966-5-19 San Joaquin Santa Fe Railroad, Jack Tone Road, Stockton. 0 Comment
  RSA0116234  Lepidium strictum Volney Rattan 1877-03 s.n. San Joaquin Live Oaks Comment
  UC1601653  Lepidium strictum Albert Kellogg 1889-5-29 San Joaquin S<?> Comment
  CAS-BOT-BC13052  Lepidium virginicum var. menziesii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Island. Stockton. Comment
  CAS-BOT-BC329361  Lepidospartum squamatum John Thomas Howell 1971-6-25 48111 San Joaquin Flood plain of Hospital Creek at Interstate Hwy 580, 4 miles SW of Vernalis Comment
  JEPS74996  Leptochloa fascicularis L. R. Heckard and P. Rubtzoff 1971-9-15 2807 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road ((ca 7 mi sw of Manteca)) Comment
  UCD63651  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-9-7 3152 San Joaquin 6.4 miles south of Thornton. Comment
  UCD63663  Leptochloa fusca subsp. fascicularis Beecher Crampton 1960-8-9 5771 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  UCD63842  Leptochloa fusca subsp. fascicularis G. F. Hrusa; S. A. Wagner 1992-8-9 9328 San Joaquin W end of Caswell Memorial State Park. Comment
  CHSC116255  Leptochloa fusca subsp. uninervia Barbara Wilson 2015-9-19 18813 San Joaquin Stockton; 9583 Roberts Road. 1 Comment
  CAS-BOT-BC226594  Leptosiphon ambiguus G. T. York 1935-4-10 s.n. San Joaquin Hospital Canyon (4 mi. up the canyon) Comment
  CAS-BOT-BC123036  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-27 3065 San Joaquin 3 miles W of Manteca 15 Comment
  POM57784  Lessingia pectinata var. tenuipes Michener, F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  UC33156  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  POM40857  Lessingia pectinata var. tenuipes Edward L. Greene 1881-09 s.n. San Joaquin [County could be Merced or Stanislaus] San Joaquin Valley. Comment
  CAS-BOT-BC342047  Lessingia virgata V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC342048  Lessingia virgata Edward Lee Greene 1881-9-20 s.n. San Joaquin San Joaquin Valley Comment
  CDA8205  Lessingia virgata T. C. Fuller 1958-9-3 1191 -58 San Joaquin North side of Collier Road at Pearl Road, 8 miles east of Highway 99, northeast of Lodi. 0 Comment
  UC194246  Lessingia virgata Dr. C. C. Parry 1881-1 San Joaquin Stockton Comment
  CAS-BOT-BC272206  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Near Stockton, Calaveras River Comment
  POM147755  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Calaveras River; Near Stockton Comment
  UCD65604  Leymus triticoides G. F. Hrusa; S. A. Wagner 1992-4-22 9270 San Joaquin Caswell Memorial State Park. Comment
  SEINET10531268  Libocedrus decurrens Carl C. Epling 1931-10-3 Epling s.n. 1931 San Joaquin Strawberry Valley, San Jacinto Mts. 5000 feet. Comment
  CAS-BOT-BC451656  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  UC814386  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 mi s Galt 15 Comment
  CAS-BOT-BC451659  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
  SEINET8470686 Image available Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 16 Comment
  CAS-BOT-BC211112  Lilaeopsis masonii Brian Atwater 1979-3-17 BA- 182 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC211113  Lilaeopsis masonii Brian Atwater 1978-8-24 BA- 102 San Joaquin Between Rindge [Ridge] Tract and Wright Tract 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
  CAS-BOT-BC110613  Limnanthes Anne Leary 1975-4-1 s.n. San Joaquin Sierra Nevada. Foothills east of Lodi. Comment
  JEPS19620  Limnanthes alba W. L. Jepson 1929-4-28 15201 San Joaquin Clements 60 Comment
  RSA27974  Limnanthes alba C. L. Hitchcock 1940-4-29 6303 San Joaquin 3 miles south of Galt. 16 Comment
  UC596521  Limnanthes alba subsp. alba R. F. Hoover 1936-4-30 1057 San Joaquin Farmington Comment
  UCD116466  Limnanthes alba subsp. alba Marvin L. Nies 1951-5-4 58 San Joaquin 6 miles east of Lodi. Comment
  SEINET8727025 Image available Limnanthes douglasii Charles T. Mason Jr. 1948-1 1160 San Joaquin Along state Highway 4 about 1/8 mile west of cross-road to Milton and Knights Ferry, Elevation 200 feet. 61 Comment
  JEPS19597  Limnanthes douglasii subsp. rosea Fred Shoemaker 1933-4 San Joaquin Lockeford Comment
  SEINET7076107  Limnanthes douglasii subsp. rosea 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
  UC1746127  Limnanthes douglasii subsp. rosea Annetta M. Carter 1947-4-5 1783 San Joaquin E of Farmington, 0.3 mi. W of San Joaquin Co. line. Comment
  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
  UC971821  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1948-4-24 1145 San Joaquin 7 mi ne Clements (along State Hwy 88) 91 Comment
  UC971826  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1949-3-29 1243 San Joaquin along state hwy 88 8 mi ne Clements Comment
  UCD84995  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 958 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  UCR232291  Limnanthes douglasii subsp. rosea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17096 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  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
  SEINET6670606  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-24 1145 San Joaquin 7 miles northeast of Clements along State Highway 88 91 Comment
  JEPS9856  Limosella acaulis R. F. Hoover 1937-5-18 2186 San Joaquin 10 mi n of Stockton 12 Comment
  JEPS58380 Image available Linanthus dichotomus W. L. Jepson 1922-4-2 9597 San Joaquin W San Joaquin County, Corral Hollow. 182 Comment
  UC52680  Linanthus dichotomus Benj. Cobb San Joaquin Tracy Comment
  UC907995  Linanthus liniflorus Herbert L. Mason 1928-5-3 4458 San Joaquin 6 mi n Clements Comment
  UCD123917  Lindernia dubia Peter Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area.) 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
  JEPS33272  Lindernia dubia var. anagallidea Rimo Bacigalupi and L. Constance 1962-8-13 8710 San Joaquin just n of site of San Joaquin City (just n of bridge of the Durham Ferry Road, just above waterline of San Joaquin River); San Joaquin River 3 Comment
  JEPS74994  Lindernia dubia var. anagallidea L. R. Heckard and P. Rubtzoff 1971-9-15 2808 San Joaquin about 4 air mi sw Ripon (Stanislaus River); Caswell State Park Comment
  CDA4726  Linum usitatissimum R. E. DeVol 1960-3-24 San Joaquin Southern Pacific Railroad, Stockton. 0 Comment
  UCD141226  Lipocarpha micrantha G. F. Hrusa; S. A. Wagner 1992-8-9 9363 San Joaquin Oxbow Lake. Comment
  CAS-BOT-BC342127  Logfia filaginoides Roxana S. Ferris 1938-4-15 9401 San Joaquin At the mouth of Corral Hollow Comment
  CAS-BOT-BC283560  Lolium multiflorum E. E. Stanford 1930-4-12 1298 San Joaquin Mariposa Road near Cometa Road Comment
  CDA2227  Lolium multiflorum Castle Seed Co. 1959-6-4 San Joaquin Stockton. 0 Comment
  CHSC20553  Lolium multiflorum Virginia Holsinger 1964-5-18 106 San Joaquin Roadside bordering cow pasture, east of Livermore. 152 Comment
  CAS-BOT-BC389762  Lolium multiflorum R. D. Hennessey 1964-5-2 76 San Joaquin North of Calaveras River 1 mile and 7 miles northeast of point where the river empties into Stockto [Stockton] Channel Comment
  SEINET10927385  Lolium perenne E. E. Stanford 1930-4-18 Stanford 1361 San Joaquin Thornton Road, wet ditches. Comment
  UC765829  Lomatium caruifolium var. caruifolium Robert F. Hoover 1936-4-30 1052 San Joaquin 2 mi. n. Escalon Comment
  CDA38341  Lomatium caruifolium var. denticulatum L. Todd 1968-4-1 s.n. San Joaquin West end of Liberty Road, north of Clements. 0 Comment
  CAS-BOT-BC240677  Lonicera interrupta Volney Rattan 1881-6-1 s.n. San Joaquin Live Oaks Comment
  UC15508  Lotus purshianus var. purshianus J. A. Sanford 1890-1 39 San Joaquin Stockton Comment
  RSA406289  Lotus unifoliolatus D. D. Keck 1931-10-18 1318 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  RSA406290  Lotus unifoliolatus E. E. Stanford 1930-8-9 1878 San Joaquin Calaveras River bottom near Stockton. Comment
  UC101866  Lotus wrangelianus Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UC555422  Lotus wrangelianus Herbert L. Mason 1932-3-19 6821 San Joaquin 2 mi e Midway 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
  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
  UC768526  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington Comment
  CDA34356  Ludwigia peploides subsp. peploides E. Finley, M. Lubinski 1988-9-26 s.n. San Joaquin Cruiser Haven Marina, San Joaquin Delta region. 0 Comment
  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
  JEPS65021  Lupinus benthamii W. L. Jepson 1929-4-28 15196 San Joaquin Clements 60 Comment
  HSC104232  Lupinus bicolor G. K. Helmkamp 2014-3-18 22571 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  UCR207839  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14467 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  UCR253610  Lupinus bicolor George K. Helmkamp 2014-3-18 22571 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  SJSU10738  Lupinus bicolor H. T. Shishido 1961-4-8 San Joaquin by Clements near Mokelumne R 39 Comment
  SEINET3418125 Image available Lupinus caudatus P. O. Schallert 1945-4-1 182 San Joaquin 20 N. East of Stockton, San Joaquin County, California. Comment
  RSA413551  Lupinus densiflorus var. lacteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  RSA87053  Lupinus densiflorus var. palustris E. E. Stanford 1930-04 10006 San Joaquin Northern part of the county. Comment
  JEPS100873  Lupinus microcarpus var. densiflorus Dean W. Taylor 1999-5-20 17155 San Joaquin Highway 4 2.5 miles East of Jack Tone Road junction (J5) 30 Comment
  OBI48316  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin San Joaquin-Alameda Cos. Drainage area, Carnegie Motorcycle park project, Co. J2 at Co. line Comment
  SBBG114090  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co Rd J2 at Co line Comment
  UC15842  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy 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
  POM146124  Lupinus succulentus E. E. Stanford 1927-4-5 137 San Joaquin Stockton. Comment
  POM196007  Lupinus vallicola subsp. apricus E. E. Stanford 1929-4-7 1039 San Joaquin Near Peters 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
  JEPS63275  Lycopus americanus unknown 1923-8-3 10028 San Joaquin 4 mi. n.e. Byron (Old R.); Old R. Comment
  UC19761  Lythrum californicum Mrs. Brandegee 1893-7-9 San Joaquin San Joaquin River, Bouldin Island Bouldin Island; San Joaquin River, Bouldin Island Comment
  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
  CDA19053  Lythrum salicaria C. Benefield 2000-7-25 PDR 1198619 San Joaquin Sacramento Delta; On Middle River, off Old River, below Union Point Marina. From Old River to Bridge at Middle River, South Delta Rd. 0 Comment
  CDA19054  Lythrum salicaria C. Benefield 2000-7-25 PDR 1198620 San Joaquin Sacramento Delta; along Old River from intersection w/ San Joaquin River and Salmon Slough, heaviest at junction w/ Middle River. 0 Comment
  CDA18962  Lythrum salicaria D. Gifford 2000-7-6 PDR 005678 San Joaquin SE of Stockton. 0 Comment
  JEPS2644 Image available Lythrum sanfordii J. A. Sanford 1890-1 San Joaquin Stockton 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
  POM196177  Madia elegans subsp. densifolia E. E. Stanford 1929-7-7 1136 San Joaquin Lodi 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
  JEPS15776  Madia radiata W. L. Jepson 1922-4-2 9562 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
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Aug 21 2017
  CAS-BOT-BC204035  Malacothamnus fremontii John Thomas Howell 1953-4-26 28932 San Joaquin Corral Hollow Comment
  CAS-BOT-BC204037  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-BC345542  Malacothrix coulteri Roxana S. Ferris 1938-4-15 9414 San Joaquin Hillside near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  CAS-BOT-BC345543  Malacothrix coulteri Alice Eastwood; John Thomas Howell 1935-4-7 2097 San Joaquin East end of Corral Hollow Comment
  UC33278  Malacothrix coulteri F. T. Bioletti 1892-1 San Joaquin lower San Joaquin; Lower San Joaquin Comment
  UC18734  Malva nicaeensis J. A. Sanford 1890-1 109 San Joaquin West Stockton 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
  POM146117  Malva nicaeensis E. E. Stanford 1927-4-19 163 San Joaquin Stockton, Campus. Comment
  UCD116600  Malva nicaeensis G. F. Hrusa 1992-8-26 9524 San Joaquin Caswell Memorial State Park. Comment
  CDA19473  Malva parviflora M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 207 San Joaquin Sacramento Valley; on Liberty Rd, at junction to Dustin Rd, near Acampo. 22 Comment
  UCR201898  Malva parviflora George K. Helmkamp, E. A. Helmkamp 2008-10-9 14239 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
  UCD116645  Malva parviflora G. F. Hrusa 1992-4-22 9278 San Joaquin Open areas about the trails to the west of the campgrounds. Caswell Memorial State Park. Comment
  SEINET7248014  Malva pseudolavatera Ira L. Wiggins 1958-1 14322 San Joaquin At corner of Patterson Road and Grant Line Road. Comment
  UCD116690  Malva pseudolavatera John Thomas Howell 1962-4-25 37095 San Joaquin Vacant lots, 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
  UCD116699  Malvella leprosa Allan G. O'Berg Jr. 1955-10-1 s.n. San Joaquin 2.1 mi. s. of San Joaquin on w. side of Colorado Rd. Comment
  UCD116707  Malvella leprosa F. R. Whitehead 1931-9-1 s.n. San Joaquin Stockton, CA. Comment
  UC1267080  Marah fabacea Kenneth M. Stocking 1947-8-5 14 San Joaquin 1 mi e Linden Comment
  POM196281  Marah fabacea E. E. Stanford 1928-3-20 831 San Joaquin Near Peters 30 Comment
  RSA440952  Marah fabacea K. M. Stocking 1947-4-25 31 -b San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  RSA440953  Marah fabacea K. M. Stocking 1947-5-15 37 San Joaquin Stockton, by NW corner of Calaveras bridge on West Lane. Comment
  RSA440954  Marah fabacea K. M. Stocking 1947-4-25 31 San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  UCR253491  Marrubium vulgare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20072 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC71111  Marsilea vestita Peter Rubtzoff 1965-7-13 5579 San Joaquin San Joaquin River at Airport Way crossing (Tracy - Ripon area) Comment
  POM89817  Marsilea vestita Michener 1892-9-9 s.n. San Joaquin Lathrop. Comment
  RSA612742  Marsilea vestita E. E. Stanford 1929-11-2 1181 San Joaquin Near Stockton Comment
  RSA694899  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton. Comment
  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
  UC1543031  Marsilea vestita subsp. vestita Donald G. Nelson 1939-6-9 612 San Joaquin 9 mi e Stockton (on Austin Rd., ca. 1 1/2 mi s of R.R.) 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
  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
  UC1069990  Matricaria discoidea R. D. Roseberry 1935-5-16 184 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  CAS-BOT-BC348072  Matricaria discoidea E. E. Stanford 1927-3-17 114 San Joaquin Stockton. Along Campus walks Comment
  POM196278  Matricaria matricarioides E. E. Stanford 1928-4-7 845 San Joaquin Stockton, campus [College of the Pacific] Comment
  CAS-BOT-BC348274  Matricaria occidentalis E. E. Stanford 1928-4-19 888 San Joaquin Stockton Comment
  SEINET3422325 Image available Medicago hispida P. O. Schallert 1945-3-8 s.n. San Joaquin Waste places near Stockton, California. Comment
  JEPS65506  Medicago polymorpha W. L. Jepson 1929-4-28 15189 San Joaquin Lockeford 30 Comment
  SD243138  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 miles NE (50a^z) of Lodi (Lockeford 7.5'Q) 39 Comment
  SEINET4691731  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-1 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 degree) of Lodi. 40 Comment
  UCD107837  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-3-22 9066 San Joaquin Caswell Memorial State Park. Comment
  CDA32510  Melica californica T. C. Fuller 24 [month missing] 1962 8230 San Joaquin In canyon south of Corral Hollow Creek, ca. 8 miles southwest of Tracy 0 Comment
  POM147779  Melilotus albus E. E. Stanford 1927-9-26 726 San Joaquin Stockton. Comment
  POM147806  Melilotus indicus E. E. Stanford 1928-3-13 804 San Joaquin Stockton. Comment
  POM146121  Melilotus indicus E. E. Stanford 1926-10-5 23 San Joaquin Stockton. Calaveras River bottom. Comment
  SEINET3418100 Image available Melilotus indicus P. O. Schallert 1945-4-22 238 San Joaquin Stockton, Common around Stockton, San Joaquin County, California, Comment
  SEINET8721694 Image available Melilotus indicus Laura Zeller 1965-1 58 San Joaquin Ca. .3 miles S. of intersection of Eight Mile Road and Davis Road on Davis Road Comment
  UCD108075  Melilotus indicus G. F. Hrusa; S. A. Wagner 1992-4-22 9284 San Joaquin Caswell Memorial State Park. Upper reaches of campground beach at eastern end of park. Comment
  CDA19700  Mentha X piperita F. Maly 2001-8-28 PDR P 071840 San Joaquin Sacramento Delta; in Old River just north of Holland Marina. 0 Comment
  UC1191902  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1948-7-22 207 San Joaquin 2 mi n Manteca (irrigation canal) Comment
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Sep 17 2008
  UC57621  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  UC66748  Mentha canadensis N. K. Berg 1903-12-12 San Joaquin Stockton Rough and R. Isl. <Rough and Ready Island> Comment
  POM147747  Mentha canadensis E. E. Stanford 1927-8-10 675 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  UCD125045  Mentha canadensis G. F. Hrusa; S. A. Wagner 1992-7-8 9154 San Joaquin Caswell Memorial State Park; at Oxbow Lake. Comment
  UC416714  Mentha pulegium Harriet A. Walker 1907-9-8 902 San Joaquin Lathrop near drawbridge; Lathrop near drawbridge Comment
  UC177266  Mentha spicata K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC7433  Mentzelia affinis Edward Lee Greene 1889-4-1 s.n. San Joaquin Lathrop Comment
  POM134690  Mentzelia affinis C. F. Baker 1903-4-25 2781 San Joaquin Tracy. Comment
  UC108406  Mentzelia affinis Brandegee May 1889 San Joaquin Tracy Comment
  UC140495  Mentzelia affinis C. F. Baker 1903-4-25 2781 San Joaquin Tracy Comment
  UC596455  Mentzelia pectinata R. F. Hoover 1938-3-19 2870 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
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Apr 10 2008
  UC673370  Mentzelia pectinata Herbert L. Mason 1932-3-19 6823 San Joaquin 2 m e of Midway (between Mountain House and Tracy.) Comment
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Apr 26 2018
  UC767155  Mentzelia pectinata R. F. Hoover 1938-3-19 2870 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
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Apr 26 2018
  UC1745715  Micropus californicus var. californicus Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 784 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. 167 Comment
  UC35586  Micropus californicus var. californicus J. A. Sanford 1890-1 408 San Joaquin Waverly Comment
  CDA8385  Microseris acuminata G. C. Fleischman 1959-5-28 San Joaquin Near Lodi. 0 Comment
  CAS-BOT-BC348801  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow-Livermore Road 152 Comment
  RSA21626C  Microseris douglasii subsp. douglasii Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC50031  Microseris douglasii subsp. douglasii J. A. Sanford 1890-1 403 San Joaquin Waverly Comment
  UC565548  Microseris douglasii subsp. douglasii H. L. Mason 1932-3-19 6832 San Joaquin 2 mi e Midway 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
  UCD96866  Microseris douglasii subsp. tenella Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6921 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  CDA41670  Mimulus aurantiacus T. C. Fuller 1962-4-24 8222 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  JEPS22956  Mimulus douglasii Volney Rattan 1887-3-17 San Joaquin Live Oaks Mokelumne River Comment
  JEPS23876  Mimulus douglasii Volney Rattan 1886-3-15 San Joaquin Live Oaks Comment
  RSA138282  Mimulus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks. Comment
  POM146107  Mimulus guttatus E. E. Stanford 1927-4-12 149 San Joaquin Near Stockton. Comment
  RSA447930  Mimulus guttatus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  JEPS14623  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (in field e of road toward Lockeford) Comment
  UCSB7534  Mimulus latidens Chisaki, Francia; Kamb, Peter; Smith, S. 1951-4-14 San Joaquin 0.6 mile north of Collegeville; on road toward Lockeford Comment
  UC27029  Mimulus microphyllus J. A. Sanford 1890-1 162 San Joaquin Waverly Comment
  UC886171  Mimulus microphyllus C. L. Hitchcock 1940-5-12 6368 San Joaquin 3 mi s Galt 15 Comment
  UCD122692  Mimulus microphyllus Marvin Nies 1951-4-1 29 San Joaquin 7 miles east of Lodi. Comment
  JEPS22962  Mimulus pilosus Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks Comment
  RSA138307  Mimulus pilosus Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  RSA60755  Mimulus pilosus Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  POM195900  Mimulus pilosus C. R. Quick 1929-6-4 s.n. San Joaquin Calaveras River Bottom, North of campus (College of the Pacific), Stockton. Comment
  JEPS10522  Mimulus tricolor W. L. Jepson 1937-4-23 18008 San Joaquin ca. 5 mi se Stockton (on Farmington road) Comment
  JEPS22928  Mimulus tricolor Volney Rattan Mar. 1883 San Joaquin Live Oaks Comment
  UC27126  Mimulus tricolor J. A. Sanford 1890-1 169 San Joaquin Stockton Comment
  UC59141  Mimulus tricolor unknown 1881-1 San Joaquin Comment
  UC886382  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 mi s Galt 15 Comment
  RSA409096  Mimulus tricolor E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CDA5052  Modiola caroliniana F. M. Newhall 1961-10-2 San Joaquin Frontage road, north of Mokelumne. 0 Comment
  JEPS74993  Mollugo verticillata L. R. Heckard and P. Rubtzoff 1971-9-15 2808 A San Joaquin about 4 air mi sw of Ripon (Stanislaus River at Caswell State Park); Stanislaus River, Caswell State Park Comment
  CAS-BOT-BC435047  Mollugo verticillata John Thomas Howell 1930-6-28 5326 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC435048  Mollugo verticillata L. R. Abrams 1917-9-14 6733 San Joaquin 3 mi northwest of Stockton, Calaveras River. Comment
  RSA0010765  Mollugo verticillata Cyril R. Owen 1927-9-27 31 San Joaquin Campus. [College of the Pacific] Comment
  UCD99642  Mollugo verticillata G. F. Hrusa 1992-8-9 9354 San Joaquin Caswell Memorial State Park; above the waterline at Oxbow Lake. Comment
  JEPS86426  Monolepis nuttalliana Elizabeth Perry 1918-4-16 San Joaquin Stockton Comment
  RSA20137  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  CAS-BOT-BC349409  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W. side of San Joaquin Valley, Hospital Canyon 137 Comment
  OBI18697  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital cyn 137 Comment
  UC565490  Monolopia lanceolata H. L. Mason 1932-3-19 6827 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UC718453  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin w side San Joaquin Valley; w side of San Joaquin Valley, Hospital Canyon 137 Comment
  CAS-BOT-BC349637  Monolopia major Serena Philips 1915-4-2 s.n. San Joaquin Near Tracy Comment
  JEPS34939  Monolopia major W. L. Jepson 1922-4-2 9595 San Joaquin Tracy Comment
  SJSU3181  Monolopia major R. F. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC50087  Monolopia major J. A. Sanford 1890-1 16 San Joaquin French Camp Comment
  UC572145  Monolopia major H. K. Sharsmith 1935-3-3 1490 San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC629702  Monolopia major John L. Morrison 1938-4-9 2881 San Joaquin extreme w end Corral Hollow (nw side of road) Comment
  UC90418  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  CAS-BOT-BC349638  Monolopia major A. H. Ashley 1920-4-20 s.n. San Joaquin Morada near Stockton Comment
  CAS-BOT-BC263369  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin Corral Hollow, Mount Hamilton Range, 8 miles southwest of Tracy 152 Comment
  CAS-BOT-BC263370  Muhlenbergia asperifolia John Thomas Howell 1932-10-16 10847 San Joaquin Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  JEPS73762  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin 8 mi sw Tracy; Mount Hamilton Range, Corral Hollow 152 Comment
  UC903302  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin 8 mi sw Tracy; Mount Hamilton Range, Corral Hollow 152 Comment
  CAS-BOT-BC275160  Muhlenbergia richardsonis H. M. Hall; H. P. Chandler 1900-7-1 628 San Joaquin S Fork, San Joaquin River Comment
  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
  UC1005620  Muilla maritima Frank W. Gould 1940-3-16 884 San Joaquin Castle Rock Mt. Hamilton Range, Corral Hollow 198 Comment
  UC659395  Muilla maritima Lincoln Constance and Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock Corral Hollow 213 Comment
  UC766279  Muilla maritima R. F. Hoover 1946-4-13 6077 San Joaquin near lower end; Corral Hollow Comment
  CAS-BOT-BC515640  Muilla maritima Lincoln Constance; Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow; California Innter Coast Qanoes 213 Comment
  SEINET10570436  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 Constance 2526 San Joaquin Corm deep-seated; perianth greenish-white. Dry thin soil on conglomerate of Summit with dicholostemma and allium, castle rock, corral hollow 213 Comment
  UCSB852  Muilla maritima Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow 213 Comment
  CAS-BOT-BC83360  Myosurus minimus Robert F. Hoover 1940-4-27 4367 San Joaquin River Road near San Joaquin City. Comment
  CAS-BOT-BC83364  Myosurus minimus H. L. Mason 1930-4-1 5548 San Joaquin Ten miles east of Stockton. 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
  RSA399954  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Near Stockton. Comment
  UC1178886  Myriophyllum hippuroides Herbert L. Mason 1938-8-26 12074 San Joaquin Trappers Slough, Roberts Island Comment
  CDA18616  Myriophyllum spicatum E. Finley 1999-10-3 PDR 1013546 C San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  UC1101503  Myriophyllum spicatum Herbert L. Mason and S. Galen Smith 1948-8-5 8270 San Joaquin Robert's Isl., Trapper's Slough Comment
  UC1100012  Najas guadalupensis Verne Grant, Herbert L. Mason 1946-8-21 13072 San Joaquin Victoria Island, Middle River Bridge Victoria Island; , Middle River Bridge Comment
  UC1100013  Najas guadalupensis Herbert L. Mason, Verne Grant 1946-8-21 13060 San Joaquin w of Stockton (on Borden Highway); Borden Highway Comment
  CAS-BOT-BC260111  Nassella pulchra E. E. Stanford 1930-5-3 1465 San Joaquin LIberty Road Comment
  UC23654  Navarretia intertexta J. A. Sanford 1890-1 58 San Joaquin Stockton Comment
  JEPS13209  Navarretia leucocephala Rimo Bacigalupi with G. T. Robbins 1955-5-5 4989 San Joaquin 1.5 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  JEPS70366  Navarretia leucocephala W. L. Jepson 1902-5-18 1823 D San Joaquin Clements 40 Comment
  UC23682  Navarretia leucocephala J. A. Sanford 1890-1 59 San Joaquin Stockton Comment
  UC908648  Navarretia leucocephala Clifford Bedford 1936-4-18 San Joaquin 3 mi se Lodi (Harney Lane) 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
  UC1529056  Navarretia nigelliformis subsp. radians Dean W. Taylor 1986-5-7 8802 San Joaquin Corral Hollow; ; Lawrence Livermore National Laboratory, Site 300, Corral Hollow, near Alameda County line 502 Comment
  CAS-BOT-BC233607  Navarretia pubescens Roxana S. Ferris 1953-5-15 12646 San Joaquin Everett School and intersection with Bellota-Farmington road ca. 1 mile W of intersection Comment
  CAS-BOT-BC233608  Navarretia pubescens E. E. Stanford 1930-4-26 1427 San Joaquin Copperopolis Road W of Peters Comment
  UC990706  Navarretia tagetina Roxana S. Ferris 1953-5-15 12649 San Joaquin ca 1 mi w rd betw. Everett Sch. & intersection w/Bellota-Farmington rd Comment
  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
  UC767670  Nemophila menziesii R. F. Hoover 1938-3-19 2868 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line, San Joaquin); n of Corral Hollow Comment
  RSA0003801  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy. Comment
  POM196283  Nemophila menziesii var. menziesii E. E. Stanford 1928-3-23 823 San Joaquin Near Peters. 30 Comment
  POM225049  Nemophila pedunculata Lincoln Constance, A. A. Beetle 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow. 198 Comment
  SBBG29931  Nemophila pedunculata L. Constance 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow 198 Comment
  UCSB5335  Nemophila pedunculata Constance, Lincoln; Beetle, Alan 1940-3-20 San Joaquin Castle Rock; Corral Hollow 198 Comment
  RSA135390  Nicotiana acuminata Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch. 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
  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
  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
  UC26153  Nicotiana acuminata var. multiflora J. Burtt Davy 1893-11-13 409 San Joaquin Stockton Comment
  UCR194717  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
  CAS-BOT-BC233461  Nicotiana glauca L. Beane 1949-1-1 s.n. San Joaquin Fifteen miles south-west of Tracy Comment
  CDA5786  Nicotiana glauca P. Switzenberg 1959-8-1 San Joaquin Home garden, Hansen property, Lucas Road, Woodbridge. 0 Comment
  UC26169  Nicotiana glauca H. P. Fitch 1888-1 137 San Joaquin Stockton Comment
  JEPS22947  Nitrophila occidentalis Volney Rattan 1881-7-1 San Joaquin Lathrop Comment
  JEPS6861  Nitrophila occidentalis W. L. Jepson 1896-6-27 San Joaquin Lower San Joaquin Comment
  SEINET2540589 Image available Nitrophila occidentalis H. H. Severin 1933-9-7 San Joaquin North of Ripon. Comment
  UC198262  Nitrophila occidentalis Katharine Brandegee 1907-5-1 San Joaquin Lathrop Comment
  UCR66725  Nitrophila occidentalis E. E. Stanford 1930-5-10 1475 San Joaquin San Joaquin Valley, West Ripon Road 18 Comment
  JEPS40276  Nuphar lutea subsp. polysepala W. L. Jepson 1896-7-17 San Joaquin Stockton Comment
  UC26809  Nuttallanthus texanus J. A. Sanford 1890-1 97 San Joaquin French Camp Comment
  UCD124113  Nuttallanthus texanus J. C. Tothill 1958-4-13 s.n. San Joaquin State Highway 8, ca. 15 miles east of Lodi. 57 Comment
  RSA41301  Oenothera deltoides subsp. cognata Robert F. Hoover 1937-5-18 2178 San Joaquin Near Lathrop Comment
  CDA38157  Oenothera deltoides subsp. cognata A. E. Mahoney 1958-9-3 s.n. San Joaquin Lathrop; Lake Ranch. 0 Comment
  UC156908  Oenothera elata subsp. hirsutissima Katharine Brandegee 1892-9-10 San Joaquin near Lathrop; San Joaquin River Bridge Comment
  CDA18868  Oenothera elata subsp. hirsutissima G. Leonard 1999-9-1 PDR 005352 San Joaquin San Joaquin Valley; San Joaquin Co. 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
  CDA42362  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-A San Joaquin Northwest of Holt, in field south of West Neugerbauer Road, north of West McDonald Road and west of North Holt Road. Landplane Field 3I-12. 0 Comment
  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
  CDA42028  Orobanche vallicola P. Switzenberg 1964-7-13 s.n. San Joaquin Bank of the Mokelumne River, L. Thompson Property, Route 2, Box 192, Lodi. 0 Comment
  POM232061  Orthocarpus erianthus Roxana S. Ferris 1937-4-4 9312 San Joaquin 6 miles from Copperopolis on the Farmington Road. Comment
  RSA14139  Orthocarpus erianthus Elmer I. Applegate 1928-4-21 5351 San Joaquin Near Lodi. Comment
  POM196041  Orthocarpus pusillus E. E. Stanford 1929-4-7 1031 San Joaquin Near Peters. Hewitt Rd. 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
  CAS-BOT-BC253682  Panicum capillare L. R. Abrams 1917-9-14 6741 San Joaquin 3 miles NW of of Stockton, Calaveras River Comment
  CAS-BOT-BC253683  Panicum capillare Peter Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing, Tracy-Ripon area Comment
  SBBG47343  Panicum capillare P. Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UCD89490  Panicum capillare Beecher Crampton 1956-7-30 3743 San Joaquin 4.8 miles north of Farmington. Comment
  UCD89525  Panicum capillare G. F. Hrusa 1992-8-26 9526 San Joaquin Caswell Memorial State Park. Along the nature trail between the campgrounds and picnic areas. Comment
  UCR194724  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
  CAS-BOT-BC253846  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin RIver at Airport Way crossing, Tracy-Ripon area Comment
  RSA227228B  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UCD77898  Panicum miliaceum Robert E. Preston 2004-8-27 2290 San Joaquin 7.4 miles E of Galt, along Elliott Rd 27 Comment
  CDA19057  Parthenocissus inserta Carri Benefield 2000-6-2 s.n. San Joaquin Sacramento Delta; White Slough, E of I-5, S of Hwy 12, bordering King Island. 0 Comment
  JEPS21853  Parvisedum pumilum Ina Graham 1958-4-19 48 San Joaquin 3 mi e of Clements (1/2 mi n of Route 12, pasture on McIntire Road); McIntire Road Comment
  JEPS91136  Parvisedum pumilum Dean W. Taylor 1990-4-11 10617 San Joaquin Goose Creek, on stony allvuial terraces in Section 19 70 Comment
  CAS-BOT-BC259637  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin 3.2 miles E of Escalon on road to Oakdale Comment
  CDA2129  Paspalum dilatatum M. Inverso 1979-9-21 San Joaquin A. Curtis property, 1864 South Seider Avenue, Escalon. 0 Comment
  SEINET3821616 Image available Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18441 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington (Farmington 7.5' Q) 41 Comment
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UC580050  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin on road to Oakdale 3.2 mi e Escalon Comment
  UC768598  Paspalum dilatatum R. F. Hoover 1935-6-12 642 San Joaquin Escalon Comment
  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
  UC50741  Paspalum distichum J. A. Sanford 1901-9-10 San Joaquin Stockton Comment
  UCD88920  Paspalum distichum G. F. Hrusa; S. A. Wagner 1992-7-8 9176 San Joaquin Caswell Memorial State Park. Comment
  UC766281  Pectocarya anisocarpa R. F. Hoover 1946-4-13 6078 San Joaquin lower end Corral Hollow Comment
  JEPS68203  Pectocarya penicillata W. L. Jepson 1922-4-2 9592 San Joaquin Mount Hamilton Range, Coral Hollow, Castle Rock 182 Comment
  RSA20133  Pectocarya penicillata Roxana S. Ferris 1938-4-15 9398 San Joaquin Near gravel pit at the mouth of Corral Hollow. 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
  UC766023  Pectocarya penicillata R. F. Hoover 1938-4-9 3029 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  CAS-BOT-BC77146  Pentagramma triangularis subsp. triangularis Genevieve Prlain 1976-5-2 s.n. San Joaquin County park on Mokelumne River below Camanche Dam. 27 Comment
  CAS-BOT-BC413596  Persicaria amphibia Brian Atwater 1978-8-18 BA- 28 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC413599  Persicaria amphibia E. E. Stanford 1927-9-26 717 San Joaquin Stockton Comment
  CAS-BOT-BC413600  Persicaria amphibia John Thomas Howell 1930-9-28 5522 San Joaquin Holt Comment
  CAS-BOT-BC413602  Persicaria amphibia Brian Atwater 1978-8-18 BA- 42 San Joaquin Between Quinby Island and Franks Tract Comment
  SD131785  Persicaria hydropiper L. R. Heckard, P. Rubtzoff 1971-9-15 2806 San Joaquin Along Airport Way, 2.6 miles south of junction of West Ripon road (ca. 7 miles southwest of Manteca), edge of muddy irrigation ditch Comment
  UCD99070  Persicaria hydropiper G. F. Hrusa 1992-8-26 9548 San Joaquin Caswell Memorial State Park, Oxbow Lake. Comment
  CAS-BOT-BC418892  Persicaria hydropiperoides John Thomas Howell 1929-9-21 4417 San Joaquin Holt Comment
  CAS-BOT-BC419065  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt Comment
  CAS-BOT-BC419250  Persicaria maculosa Barrett Anderson 1987-10-24 3630 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC419253  Persicaria maculosa William Anderson 1963-11-22 s.n. San Joaquin Terminous 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-BC419378  Persicaria punctata William Anderson 1963-11-22 s.n. San Joaquin Terminous Comment
  SBBG29816  Phacelia ciliata J. T. Howell 1929-3-27 4106 San Joaquin 4 mi W of Tracy Comment
  JEPS2260  Phacelia ciliata var. ciliata W. L. Jepson 1922-4-2 9565 San Joaquin Corral Hollow Mt. Hamilton Range 152 Comment
  UC672412  Phacelia ciliata var. ciliata H. L. Mason 1932-3-19 6830 San Joaquin 2 mi e Midway Comment
  UC702962  Phacelia ciliata var. ciliata John Thomas Howell 1929-3-27 4106 San Joaquin 4 mi w Tracy Comment
  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
  UC600981  Phacelia douglasii Marjorie E. Olney 1938-3-6 49 San Joaquin Corral Hollow Mount Hamilton Range 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
  UC767516  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  UC24388  Phacelia imbricata J. A. Sanford 202 San Joaquin West Stockton San Joaquin Valley Comment
  JEPS1290  Phacelia tanacetifolia A. D. Tenney 1915-4-7 San Joaquin Tracy Comment
  RSA26580  Phacelia tanacetifolia J. T. Howell 1929-3-27 4104 San Joaquin Road to Altamont, six and a half miles west of Tracy. Comment
  UC75125  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin along ridges Tracy Comment
  UCR143282  Phalaris E. E. Stanford 1930-5-3 1466 San Joaquin Sacramento Valley, near Stockton 5 Comment
  UCD88332  Phalaris angusta A. A. Beetle 1942-4-9 2938 San Joaquin 10 miles W of Modesto, Rt. 99. Comment
  UCD88160  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Near Terminous. Lyons ranch. Comment
  UCD88161  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Terminous. Lyons ranch. Comment
  CAS-BOT-BC265837  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  CAS-BOT-BC265838  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  CAS-BOT-BC265840  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta 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
  SEINET10855448  Phalaris arundinacea E. E. Stanford 1930-5-30 Stanford 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CAS-BOT-BC259036  Phalaris lemmonii E. E. Stanford 1930-4-12 1284 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton Comment
  RSA582107  Phalaris lemmonii E. E. Stanford 1930-5-10 1473 San Joaquin Near Stanislaus River Comment
  SEINET3561052 Image available Phalaris minor Unknown 1945-4-22 s.n. San Joaquin Waysides near Stockton. Comment
  UC188871  Phalaris minor Mr. Sanford 93 San Joaquin Stockton Comment
  UCD89416  Phalaris paradoxa Albert Troglin 1964-5-1 s.n. San Joaquin Tracy area. Comment
  JEPS71111  Phlox gracilis R. F. Hoover 1937-4-3 1736 San Joaquin Tracy Comment
  UC24146  Pholistoma auritum J. A. Sanford 188 San Joaquin Stockton Comment
  JEPS1847  Pholistoma membranaceum W. L. Jepson 1922-4-2 9569 San Joaquin Corral Hollow w. San Joaquin Co., Mt. Hamilton Range, Corral Hollow 152 Comment
  UC593305  Pholistoma membranaceum R. F. Hoover 1938-2-27 2792 San Joaquin Castle Rock, Corral Hollow Corral Hollow; Castle Rock, Corral Hollow Comment
  UC767574  Pholistoma membranaceum R. F. Hoover 1938-2-27 2792 San Joaquin Corral Hollow Castle Rock; , Corral Hollow Comment
  POM354319  Phoradendron macrophyllum E. E. Stanford 1930-3-30 1193 San Joaquin Near Bellota. Comment
  UCD102188  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa; S. A. Wagner 1992-3-4 9061 San Joaquin Caswell Memorial State Park. Comment
  UC6092  Phoradendron villosum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  CAS-BOT-BC250990  Phragmites australis E. E. Stanford 1930-8-1 1874 San Joaquin Along sloughs in San Joaquin Delta. Jones Tract 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
  UCD89833  Phragmites australis Franz R. Kegel 1984-2-1 s.n. San Joaquin San Joaquin County. Comment
  UCD89837  Phragmites australis P. B. Kennedy 1928-9-30 s.n. San Joaquin near Holt. Comment
  UC1239565  Phyla caespitosa Joseph P. Tracy 1921-5-25 5796 San Joaquin Farmington; San Joaquin Valley 30 Comment
  JEPS39028  Phyla lanceolata F. T. Bioletti 1892-9-9 San Joaquin Lathrop, lower San Joaquin Comment
  UC635115  Phyla lanceolata H. L. Mason 1929-9-9 5428 San Joaquin San Joaquin River delta Holt; San Joaquin River delta Comment
  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
  UC580098  Phyla nodiflora Ira L. Wiggins 1934-10-25 6982 San Joaquin along slough 1 mi w San Joaquin R.; along slough w of San Joaquin R. Comment
  UCD39026  Phyla nodiflora Beecher Crampton 1960-8-9 5763 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. 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
  CDA40719  Phyla nodiflora var. incisa T. C. Fuller 1960-5-17 4362 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  CAS-BOT-BC58239  Phyllodoce breweri T. J. Blestou 1912-7-30 s.n. San Joaquin Upper Chiquita, San Juaquin Sierra Nevada. 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
  CDA42737  Pilularia americana T. C. Fuller 1962-5-1 8341 San Joaquin North side of Ione Road, across from old school, ca. 2 miles north of Clements. 0 Comment
  SEINET3237740 Image available Piptatherum miliaceum Cindy Roche 2006-6-11 San Joaquin At Thornton exit along Interstate 5 about halfway between Stockton and Sacramento. East side of Freeway. 20 Comment
  JEPS90183  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin Livermore National Laboratory, in far northwestern corner of lab site 300 Livermore National Laboratory; Inner South Coast Ranges, Livermore National Laboratory 458 Comment
  RSA20134  Plagiobothrys acanthocarpus Roxana S. Ferris 1938-4-15 9406 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  RSA21461  Plagiobothrys acanthocarpus C. B. Wolf 1937-3-31 8395 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC573058  Plagiobothrys acanthocarpus H. L. Mason 1932-3-19 6828 San Joaquin 2 mi e Midway (Tracy highway) Comment
  UC762852  Plagiobothrys acanthocarpus R. F. Hoover 1935-3-1 235 San Joaquin Vernalis 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
  UC1872923  Plagiobothrys austiniae David Keil 2005-3-13 30355 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada with wide, flat valleys with vernal pools. 82 Comment
  CDA40684  Plagiobothrys bracteatus T. C. Fuller 1962-5-1 8337 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  POM63833  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy. Comment
  UC571918  Plagiobothrys canescens C. W. and H. K. Sharsmith 1935-3-3 1480 San Joaquin e end Corral Hollow; Mt. Hamilton Range 228 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
  UCD33923  Plagiobothrys fulvus var. campestris Beecher Crampton 1975-4-16 9147 San Joaquin San Joaquin County, 3 miles north of Clements along Liberty road. Comment
  UC990722  Plagiobothrys greenei Roxana S. Ferris 1953-5-15 12643 San Joaquin on road between Everett School and intersection with Bellota-Farmington Road ca 1 mi w of intersection Bellota-Farmington Road Comment
  UCR232636  Plagiobothrys humistratus George K. Helmkamp, E. A. Helmkamp 2011-3-29 17105 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  UC766183  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon; ; Lower Hospital Canyon, San Joaquin Co. Comment
  POM196286  Plagiobothrys nothofulvus E. E. Stanford 1928-3-20 816 San Joaquin Near Peters. 30 Comment
  POM368903  Plagiobothrys nothofulvus E. E. Stanford 1930-4-17 1324 San Joaquin Clements Road. Comment
  UC24557  Plagiobothrys reticulatus J. A. Sanford 1890-1 San Joaquin Waverly Comment
  UC100846  Plagiobothrys shastensis F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC881348  Plagiobothrys stipitatus L. R. Abrams 1923-3-31 9952 San Joaquin 4 mi from Manteca (on the Stockton Road) Comment
  RSA21258  Plagiobothrys stipitatus C. B. Wolf 1937-3-31 8372 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC526871  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Elizabeth Helmkamp 2013-3-26 20226 San Joaquin East end of San Joaquin Valley: Escalon Bellota Rd (J6), 6.1 mi S of its jct with CA-26, 0.52 mi S of Copperopolis Rd 51 Comment
  SD254562  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20226 San Joaquin East end of San Joaquin Valley: Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, (0.52 mil S of Copperopolis Rd (Farmington 7.5'Q) 52 Comment
  UC1063813  Plagiobothrys stipitatus var. micranthus R. D. Roseberry 1935-5-16 183 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC1239566  Plagiobothrys stipitatus var. micranthus Joseph P. Tracy 1921-5-25 5792 San Joaquin Farmington San Joaquin Valley 30 Comment
  UC61141  Plagiobothrys stipitatus var. micranthus H. P. Fitch 1889-4-25 San Joaquin Stockton 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
  UC766027  Plagiobothrys tenellus R. F. Hoover 1938-2-27 2799 San Joaquin Castle Rock Corral Hollow Comment
  UC79222  Plagiobothrys trachycarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  CHSC79271  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC767623  Plagiobothrys undulatus R. F. Hoover 1937-6-10 2398 San Joaquin 2 mi n Linden Comment
  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
  UCR253461  Plagiobothrys undulatus George K. Helmkamp 2014-3-18 22586 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
  POM193905  Planodes virginica J. T. Howell 1930-4-12 4684 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  RSA523579  Plantago bigelovii subsp. bigelovii J. T. Howell 1935-4-1 2096 San Joaquin East end of Corral Hollow. Comment
  JEPS37917  Plantago elongata John Thomas Howell 1935-4-1 2096 San Joaquin e end Corral Hollow Comment
  RSA401996B  Plantago erecta E. E. Stanford 1930-4-5 1249 San Joaquin Hospital Canyon. Comment
  RSA789509  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg.) of Clements 79 Comment
  UCR233205  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements 79 Comment
  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
  UCD124359  Plantago lanceolata G. F. Hrusa 1992-8-26 9560 San Joaquin Caswell Memorial State Park. Comment
  JEPS7144  Plantago major W. L. Jepson 1923-10-22 10272 San Joaquin Union Island Lower San Joaquin River Comment
  UC28019  Plantago major J. A. Sanford 1890-1 62 San Joaquin Stockton Comment
  JEPS7189  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin Corral Hollow, Black Butte at lower end Black Butte, Corral Hollow Comment
  CAS-BOT-BC93150  Platanus racemosa E. E. Stanford 1930-4-19 1414 San Joaquin Corral Hollow Road. Comment
  UCD143185  Platanus racemosa G. F. Hrusa; S. A. Wagner 1992-3-21 9092 San Joaquin around 75 feet in the eastern end of the park.This from the easternmost campground area. Caswell Memorial State Park. Comment
  CAS-BOT-BC91962  Platystemon californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles southeast of Stockton. Comment
  CAS-BOT-BC91963  Platystemon californicus Alice Eastwood; John Thomas Howell 1935-4-7 2098 San Joaquin East end of Corral Hollow. Comment
  UC604925  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin on the Livermore Road 1/2 mi w mouth of Corral Hollow; w of mouth of Corral Hollow 152 Comment
  UC724687  Platystemon californicus H. K. Sharsmith 1935-3-3 1486 San Joaquin Corral Hollow; Mount Hamilton Range, Corral Hollow 228 Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  UC767119  Platystemon californicus Robert F. Hoover 1935-3-1 246 San Joaquin five mi s Tracy; s of Tracy Comment
  SEINET10620895 Image available Platystemon californicus Charles F. Baker 1903-4-25 Baker 2780 San Joaquin Tracy. Common in sandy fields. Comment
  SEINET10891673 Image available Platystemon californicus Charles F. Baker 1903-4-25 Baker 3199 San Joaquin Tracy. Occasional in sandy fields. Comment
  UCD96077  Platystemon californicus J. C. Tothill 1958-4-13 s.n. San Joaquin 15 miles east of Lodi, State Highway 8. 57 Comment
  SEINET4854350  Platystemon tortuosus Carl F. Baker 1903-4-25 2780 San Joaquin Tracy. Comment
  UC614811  Plectritis macrocera Beryl O. Schreiber 1932-3-27 146 San Joaquin near Midway Comment
  UCD90151  Pleuropogon californicus var. californicus Beecher Crampton 1966-5-3 7683 San Joaquin ca. 7 and 3/4 miles N.N.E. of Lodi, Liberty and Bruella roads. Comment
  UC571025  Pluchea odorata var. odorata H. L. Mason 1929-9-9 5419 San Joaquin Holt Comment
  JEPS76012  Poa annua W. L. Jepson 1937-4-23 18010 San Joaquin ca 5 mi se Stockton (on Farmington Rd) Comment
  JEPS76013  Poa annua W. L. Jepson 1937-4-23 18013 San Joaquin ca. 5 mi. s.e. Stockton (on Farmington rd.) Comment
  SEINET13384119 Image available Poa annua George K. Helmkamp, Elizabeth Helmkamp 2012-1 20065 San Joaquin San Joaquin Valley: along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCD90357  Poa annua G. F. Hrusa; S. A. Wagner 1992-3-4 9082 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  UCR253797  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20065 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  CAS-BOT-BC254652  Poa douglasii J. W. Congdon 1889-8-31 s.n. San Joaquin Stockton 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
  JEPS76764  Poa secunda subsp. secunda L. R. Heckard 1974-4-25 3673 San Joaquin 1/2 mi e of Almeda Co line Corral Hollow (just w of Drop Tower No. <no. not given>, grounds of Atomic Energy Commission, U of CA testing site) 304 Comment
  JEPS62435  Pogogyne douglasii W. L. Jepson 1902-5-18 1823 E San Joaquin Clements 40 Comment
  RSA122031  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin 2 miles SSW of Wallace 122 Comment
  CDA40763  Pogogyne serpylloides T. C. Fuller 1971-4-21 19837 San Joaquin Inner Coast Ranges; Lone Tree Creek Canyon. 0 Comment
  RSA27010  Pogogyne zizyphoroides C. L. Hitchcock 1940-5-12 6361 San Joaquin 3 miles south of Galt. 16 Comment
  UC570730  Pogogyne zizyphoroides Herbert L. Mason 1928-5-3 4448 San Joaquin 4 miles north of Clements Comment
  UC762082  Pogogyne zizyphoroides R. F. Hoover 1936-4-30 1055 San Joaquin Farmington Comment
  UC1192337  Polygonum amphibium var. emersum Herbert L. Mason 1928-9-30 4968 San Joaquin near Holt; San Joaquin Delta Comment
  POM196321  Polygonum amphibium var. emersum E. E. Stanford 1929-10-25 1175 San Joaquin Near Stockton Comment
  UC6644  Polygonum amphibium var. stipulaceum J. A. Sanford 1890-1 77 San Joaquin Holden Comment
  CDA19467  Polygonum arenastrum M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 204 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 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
  UCD58738  Polygonum californicum Charlotte Kimball 2007-5-14 s.n. San Joaquin Comanche Reservoir. 1000 ft. SW of spillway. 60 Comment
  RSA109322  Polygonum coccineum A. M. Alexander, Louise Kellogg 1943-6-26 3455 San Joaquin San Joaquin county: Middle River bridge, San Joaquin River (Byron-Stockton Hwy) Comment
  UCR123381  Polygonum hydropiper 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
  RSA466397  Polygonum hydropiper E. E. Stanford 1927-9-17 699 San Joaquin Stockton Comment
  UC1101177  Polygonum hydropiperoides Herbert L. Mason 1929-9-21 5442 San Joaquin Holt Alklaline Grasslands of San Joaquin Valley Comment
  UC1101178  Polygonum hydropiperoides Herbert L. Mason 1928-9-30 4971 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC1101163  Polygonum lapathifolium Herbert L. Mason 1929-9-21 5440 San Joaquin Holt Alkaline Grasslands of San Joaquin Valley Comment
  UC1101164  Polygonum lapathifolium Herbert L. Mason 1928-9-30 4970 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  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
  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
  JEPS75000  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
  JEPS77907  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  UC580083  Polygonum punctatum Ira L. Wiggins 1934-7-28 6941 San Joaquin ditch at roadside 3.2 mi e Escalon 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
  CAS-BOT-BC232961  Polypogon australis E. E. Stanford 1930-5-10 1469 San Joaquin French Camp Road near Summer Home Comment
  CAS-BOT-BC233031  Polypogon interruptus E. E. Stanford 1930-5-10 1469 San Joaquin French Camp road near Summer Home Comment
  CHSC96758  Pontederia cordata F. Zarate 2005-7-1 1349506 San Joaquin San Joaquin Delta. San Joaquin County. 14 Mile Slough, outside of Stockton, E of I-5. Comment
  POM360830  Populus deltoides E. E. Stanford 1930-4-12 1273 San Joaquin Near Escalon. Comment
  CAS-BOT-BC102642  Populus fremontii Peter H. Raven; R. Ornduff; et al. 1957-3-30 10557 San Joaquin Corral Hollow Comment
  CAS-BOT-BC102644  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon Comment
  UC127961  Portulaca oleracea Harriet A. Walker 1907-9-8 925 San Joaquin Lathrop, near RailRoad Station Lathrop Comment
  CAS-BOT-BC452127  Potamogeton crispus Herbert L. Mason; S. Galen Smith 1948-8-5 8269 San Joaquin Trapper's Slough, Robert's Island Comment
  POM313020  Potamogeton crispus H. L. Mason, Verne Grant 1946-8-21 13068 San Joaquin Trapper s Slough, SW of Holt, San Joaquin County Comment
  UC564065  Potamogeton diversifolius Ira L. Wiggins 1934-8-17 6978 A San Joaquin 3.2 mi e of Escalon (on Yosemite Highway) Comment
  CAS-BOT-BC452160  Potamogeton diversifolius Ira L. Wiggins 1934-8-17 6978 A San Joaquin 3.2 miles east of Escalon, on Yosemite Highway Comment
  JEPS42967  Potamogeton nodosus W. L. Jepson 1923-8-3 10029 San Joaquin Old River, lower San Joaquin County Old River 3 Comment
  CAS-BOT-BC453828  Potamogeton nodosus L. R. Abrams 1917-9-14 6745 San Joaquin 4 mi north of Stockton, Stockton-Sacramento Rd. 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
  RSA85819  Potentilla rivalis E. E. Stanford 1930-5-2 1456 San Joaquin Empire Tract Comment
  UC766953  Proboscidea louisianica subsp. louisianica Robert F. Hoover 1936-7-31 1583 San Joaquin Farmington Comment
  UC1039795  Proboscidea lutea Herbert L. Mason 1929-9-9 5429 San Joaquin Holt; reclaimed delta lands Comment
  UCD122079  Proboscidea lutea Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2711 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  CHSC110791  Prunella vulgaris var. vulgaris Dean Wm. Taylor 2012-11-23 21318 San Joaquin Stockton (Lincoln Village), residetial lawn bordering southeasternmost arm of Lake Lincoln; T/R Section unsectionized (projected 2N6E14). 1 Comment
  UC990724  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin between Everett School and intersection with Bellota-Farmington road (ca 1 mi w of intersection) Comment
  UCD133675  Pseudognaphalium luteoalbum G. F. Hrusa; S. A. Wagner 1992-4-22 9269 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC357574  Pseudognaphalium stramineum E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  UC32041  Pseudognaphalium stramineum J. A. Sanford 1890-1 188 San Joaquin Stockton Comment
  UC61017  Pseudognaphalium stramineum N. K. Berg 1903-11-28 San Joaquin Rough and Ready Island Comment
  CAS-BOT-BC357573  Pseudognaphalium stramineum E. E. Stanford 1926-10-7 41 San Joaquin Stockton. Calavers R. bottom Comment
  POM196042  Psilocarphus brevissimus E. E. Stanford 1929-4-7 1063 San Joaquin Near Peters. Comment
  SEINET7042492  Psilocarphus brevissimus A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  CAS-BOT-BC361809  Psilocarphus brevissimus var. brevissimus Roxana S. Ferris 1953-5-15 12652 San Joaquin On road betw. Everett School & intersection with Bellota-Farmington road, ca. 2 mi. W of intersection Comment
  UC990723  Psilocarphus brevissimus var. brevissimus Roxana S. Ferris 1953-5-15 12652 San Joaquin ca 2 mi w intersection with Bellota-Farmington road (on road from Everett School) Comment
  UCR62342  Psilocarphus brevissimus var. brevissimus 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
  JEPS40498  Psilocarphus brevissimus var. multiflorus Joseph P. Tracy 1921-5-25 5789 San Joaquin Farmington 30 Comment
  JEPS33804  Psilocarphus oregonus W. L. Jepson 1937-4-23 18015 a San Joaquin ca 5 mi se Stockton (on Farmington road) Comment
  CAS-BOT-BC421130  Pterostegia drymarioides Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10569 San Joaquin Corral Hollow 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-BC61616  Quercus lobata J. Bridgaman 1844-6-9 s.n. San Joaquin Dunham Ferry Comment
  CHSC85725  Quercus lobata M. I. Wibawa; G. F. Hrusa, J. Naughton 2002-5-15 201 San Joaquin Sacramento Valley. Coyote Creek tributary. On Dustin Rd., +/- 0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  POM147781  Quercus lobata E. E. Stanford 1927-9-22 710 San Joaquin Stockton. Comment
  RSA477319  Quercus lobata Flossie Draper 1927-9-22 3 San Joaquin Found in field near campus, College of the Pacific. Comment
  UCD46843  Quercus lobata M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 201 San Joaquin Coyote Creek tributary riparian zone. Disturbed grassland on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. UTM: 10S, 4235258 N, 0654074 E. 7 Comment
  UCR77116  Quercus lobata G. Fred Hrusa 1992-8-25 9546 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC104667  Quercus wislizeni Lewis S. Rose 1936-3-16 36023 San Joaquin Lockeford 60 Comment
  CDA25741  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13090 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR194722  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-10-13 13090 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  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
  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
  UC69595  Ranunculus canus var. canus J. A. Sanford San Joaquin Comment
  CDA15513  Ranunculus muricatus Tom Watkins 1999-4-28 PDR 1098791 San Joaquin San Joaquin Valley; Wagner Dairy, 22167 Skiff Rd., Escalon. 28 Comment
  POM196310  Ranunculus muricatus E. E. Stanford 1928-4-7 873 San Joaquin Knight's Ferry. 61 Comment
  SEINET4691430  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2010-1 15830 San Joaquin Northeast San Joaquin Valley: Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 degrees) of Clements. 47 Comment
  UCR238409  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2012-4-7 18724 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
  UC69591  Ranunculus occidentalis J. A. Sanford 211 San Joaquin French Camp Comment
Read comments
Nov 7 2007
  CDA24349  Ranunculus sceleratus J. Solari 1974-5-1 San Joaquin Along Fine Road between Milton Road & the Southern Pacific Railroad tracks, Peters. 0 Comment
  CDA24356  Ranunculus sceleratus T. C. Fuller, Via Livestock Dis. 1959-4-23 2261 San Joaquin M. L. Kantroak, Austin & French Camp Roads, Manteca. 0 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
  UCR232213  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17073 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  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
  UC18592  Rhamnus tomentella subsp. tomentella J. A. Sanford 1890-1 San Joaquin 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
  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
  CAS-BOT-BC217939  Ribes quercetorum Alice Eastwood; John Thomas Howell 1938-5-24 5794 San Joaquin Hospital Canyon Comment
  UC10722  Rorippa curvisiliqua J. Burtt Davy 1893-11-13 San Joaquin Stockton Comment
  POM196261  Rorippa curvisiliqua E. E. Stanford 1928-5-16 1013 San Joaquin Stockton, Calaveras River bottom Comment
  RSA431542  Rorippa curvisiliqua E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UCD115316  Rorippa palustris subsp. palustris G. F. Hrusa; S. A. Wagner 1992-7-8 9143 San Joaquin Caswell Memorial State Park; beach below campgrounds at eastern end of park. Comment
  CDA25136  Rorippa palustris var. occidentalis Croce 1962-3-16 San Joaquin Woodbridge Irrigation district. 0 Comment
  CAS-BOT-BC74800  Rorippa palustris var. palustris Peter Rubtzoff 1965-7-13 5576 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UC114693  Rosa californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UCD113767  Rubus armeniacus G. F. Hrusa 1992-8-26 9519 San Joaquin Caswell Memorial State Park, to the south of the entrance gate, along road into the campgrounds. Comment
  UC66824  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UCD89024  Rubus ursinus Lindsay Clark 2008-5-8 CSP 6 A San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Follow trail with 'no lifeguard' sign to picnic area, bear right. Next to 'closed for restoration sign,' halfway through first picnic area on right. 14 Comment
  UCD89027  Rubus ursinus Lindsay Clark 2008-5-8 CSP 2 A San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Follow trail with 'no lifeguard' sign to picnic area, bear right. Next to first spigot on the right. 14 Comment
  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
  UC6938  Rumex conglomeratus J. A. Sanford 1890-1 27 San Joaquin Stockton Comment
  UC60911  Rumex crispus N. K. Berg 1903-11-28 San Joaquin Rough and Ready 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
  POM313040  Sagittaria calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin Irrigation canal, 0.25 mile W of Stockton. Comment
  CAS-BOT-BC445717  Sagittaria latifolia Brian Atwater 1978-8-24 BA- 105 San Joaquin Between Rindge [Ridge] Tract and Wright Tract 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
  UC580082  Sagittaria montevidensis subsp. calycina Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 mi e Escalon Comment
  UC935735  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-9-12 13126 San Joaquin Roberts Island; Borden Highway near Dagget Road Comment
  UC935747  Sagittaria montevidensis subsp. calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin irrigation canal 1/4 mi w Stockton Comment
  UC549  Sagittaria sanfordii J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  UC551  Sagittaria sanfordii J. A. Sanford 1890-1 39 San Joaquin San Joaquin Co. Comment
  POM362932  Salix babylonica E. E. Stanford 1930-4-28 1450 San Joaquin Near San Joaquin River. Comment
  CAS-BOT-BC129662  Salix bonplandiana E. E. Stanford 1930-4-19 1412 San Joaquin Corral Hollow Road Comment
  CAS-BOT-BC129663  Salix bonplandiana Peter H. Raven; R. Ornduff; et al 1957-3-30 10556 San Joaquin Corral Hollow 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-BC129666  Salix bonplandiana E. E. Stanford 1928-3-29 836 San Joaquin Calaveras River Comment
  POM196033  Salix exigua E. E. Stanford 1929-3-21 1017 San Joaquin Stockton. Levee, Calaveras River. Comment
  RSA181501  Salix exigua I. L. Wiggins 1964-5-26 19017 San Joaquin Beside old channel of San Joaquin River. Between Tracy and Manteca. Comment
  RSA181506  Salix exigua I. L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  RSA18395  Salix exigua Carl B. Wolf 1927-6-23 511 San Joaquin 1 mile W of Rippon. Comment
Read comments
Sep 17 2012
  UCD110929  Salix exigua G. F. Hrusa; S. A. Wagner 1992-4-22 9248 San Joaquin Caswell Memorial State Park. Comment
  UC1134881  Salix exigua var. hindsiana R. W. Lundh Jun 1932 114 San Joaquin 4 mi s.e. Tracy (San Joaquin R.); Carbona Quadrangle 15 Comment
  UC1618021  Salix exigua var. hindsiana Donald G. Nelson 1939-6-9 604 San Joaquin at junction of Austen Rd with Little John Creek (banks of creek, se of Stockton); Mount Diablo Base line Comment
  UCD143430  Salix exigua var. hindsiana Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  CAS-BOT-BC107856  Salix gooddingii Ira L. Wiggins 1964-5-26 19020 San Joaquin Slough 1 mi. W. of main channel of San Joaquin River, between Tracy & Manteca Comment
  POM196336  Salix gooddingii E. E. Stanford 1928-5-12 1016 San Joaquin Sacramento Road. Near Sacramento Co Line. Comment
  RSA181504  Salix gooddingii I. L. Wiggins 1964-5-26 19020 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  CAS-BOT-BC108240  Salix hindsiana E. E. Stanford 1927-4-20 166 San Joaquin Near Stockton, along Calaveras River Comment
  CAS-BOT-BC108242  Salix hindsiana Ira L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mi. W. of main channel of San Joaquin River, between Tracy & Manteca Comment
  CAS-BOT-BC108244  Salix hindsiana Barrett Anderson 1987-7-15 3558 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  CAS-BOT-BC108246  Salix hindsiana Brian Atwater 1979-3-17 BA- 178 San Joaquin Pristine tidal swamp and marsh inside a meander of Old River, between Quinby Island and Franks Tract Comment
  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
  JEPS13738  Salix laevigata Frank. W. Gould 1939-3-18 586 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
  CAS-BOT-BC125358  Salix lasiandra var. lasiandra E. G. Dudley 1912-8-20 19 San Joaquin [Heiss] Heitz Meadow near Rube Creek, South Fork of San Joaquin River Comment
  CAS-BOT-BC125360  Salix lasiandra var. lasiandra Brian Atwater 1979-3-17 BA- 181 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  POM362796  Salix lasiolepis C. R. Quick 1929-2-18 s.n. San Joaquin N of Campus. Stockton. Comment
  UC437313  Salix lasiolepis W. P. Taylor 1912-3-29 San Joaquin 6 mi se Galt; Tracy Lake 9 Comment
  UC499335  Salix lasiolepis Annetta M. Carter 1933-3-12 267 San Joaquin 0.8 mi sw Holt (by slough) Comment
  UC499338  Salix lasiolepis Annetta M. Carter 1933-3-12 270 San Joaquin 0.5 mi sw Holt (by slough) Comment
  UCR124952  Salix lasiolepis C. R. Quick 1929-2-18 s.n. San Joaquin North of the campus of the College of the Pacific, Stockton 8 Comment
  CAS-BOT-BC107369  Salix lasiolepis var. lasiolepis E. E. Stanford 1927-2-27 94 San Joaquin Stockton, Calaveras River Bottom Comment
  CAS-BOT-BC107384  Salix lasiolepis var. lasiolepis E. E. Stanford 1928-2-19 780 San Joaquin Near Stockton, near Calaveras River Comment
  RSA0038367  Salix sessilifolia var. hindsiana E. E. Stanford 1928-4-30 943 San Joaquin Calaveras River. Comment
  CAS-BOT-BC129001  Salix sitchensis Brian Atwater 1979-3-17 BA- 180 San Joaquin Pristine tidal swamp and marsh inside a meander of Old River and vicinity, between Quinby Island and Franks Tract Comment
  CAS-BOT-BC129050  Salix sitchensis Brian Atwater 1978-8-31 BA- 129 San Joaquin Pristine tidal swamp and marsh inside a meander of Old River and vicinity, between Quinby Island and Franks Tract Comment
  CDA5802  Salpichroa origanifolia T. C. Fuller, M. Switzenberg 1959-8-2 2595 San Joaquin Escalon Road, north of Farmington. 0 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
  CDA20235  Salsola australis P. Akers 2003-10-3 B 106 San Joaquin San Joaquin Valley; N of Tracy, 0.25 mi NW of old Holly Sugar plant at Sugar and Holly Rds. 0 Comment
  CDA9300  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18528 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  UCD141971  Salsola australis P. Akers 2003-10-30 B 106 San Joaquin San Joaquin Valley. N of Tracy, 0.25 mi NW of old Holly Sugar plant at Sugar and Holly Rds. Comment
  CDA20622  Salsola tragus G. F. Hrusa 2005-11-14 16841 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  RSA0039523  Salsola tragus P. Akers 2002-10-9 RT- 020 -1 San Joaquin Just W of Interstate 5 on 8 Mi. Rd., 10 mi. NW of Stockton. Along 1 mi. of rd. -0 Comment
  RSA17958  Salsola tragus C. B. Wolf 1927-6-24 s.n. San Joaquin 3 miles west of Manteca Comment
  RSA739935  Salsola tragus G. Fred Hrusa 2005-11-14 16840 San Joaquin Davis Rd. +/- 200 ft. S 0f 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Bridge just S of 8 Mile Rd. 8 Comment
  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
  UCR247343  Salsola tragus Pat Akers 2002-10-9 RT- 021 -01 San Joaquin Just east if I-5 on Iron Canyon Circle at Windcave Rd., between Pixley Slough and Bear Creek, 7 miles NW of Stockton 12 Comment
  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
  UC1745969  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
  UC416727  Salvia carduacea Benj. Cobb 10 San Joaquin Tracy Comment
  CAS-BOT-BC474712  Salvia hispanica Franz R. Kegel 1976-12-1 s.n. San Joaquin Stockton Comment
  UCD19299  Salvia hispanica Franz R. Kegel, F. A. 1976-12-1 s.n. San Joaquin Stockton. Comment
  UC762492  Salvia mellifera R. F. Hoover 1938-2-27 2794 San Joaquin Castle Rock; Corral Hollow Comment
  CAS-BOT-BC238596  Sambucus nigra subsp. caerulea Barrett Anderson 1987-7-15 3556 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota 35 Comment
  UCD143428  Sambucus nigra subsp. caerulea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  UC660000  Sanicula bipinnata Lincoln Constance, R. F. Hoover 1941-4-19 2806 San Joaquin 1 mi n of Castle Rock (Corral Hollow); Corral Hollow 320 Comment
  UCD127975  Sanicula crassicaulis Fleming 1929-4-18 s.n. San Joaquin Woodbridge. Comment
  UC683296  Schoenoplectus acutus Alan A. Beetle 1940-4-21 2616 San Joaquin 3.8 mi across Victoria Island (10 mi w of Stockton); w of Stockton, Victoria Island Comment
  CAS-BOT-BC111384  Schoenoplectus acutus var. occidentalis LeRoy Abrams 1920-9-30 7783 San Joaquin Near Banta Comment
  CHSC68455  Schoenoplectus acutus var. occidentalis L. P. Janeway 1987-7-10 2483 San Joaquin Near southwest corner of Hwy 12 and Guard Road, 1.5 mi west of Hwy I-5 and about 6 mi north of Stockton. 1 Comment
  CAS-BOT-BC111295  Schoenoplectus acutus var. occidentalis Ernest Elwood Stanford 1927-5-26 431 San Joaquin Stockton. In sand in Calaveras River bottom. Comment
  UC766068  Scirpus acutus var. occidentalis Robert F. Hoover 1935-1-10 54 San Joaquin near Ripon; near Ripon Comment
  CAS-BOT-BC110878  Scirpus microcarpus Brian Atwater 1978-8-16 BA- 33 San Joaquin Old River between Quinby Island and Franks Tract Comment
  CAS-BOT-BC243512  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton Comment
  RSA483307  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  RSA582100  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  CAS-BOT-BC214215  Scutellaria bolanderi Volney Rattan 1885-6-5 s.n. San Joaquin Mokelumne Hill Comment
  JEPS120463  Scutellaria lateriflora Daniel Slakey 2013-8-24 65 San Joaquin Sacramento/San Joaquin River Delta, on the eastern edge of a small island just west of Islemouth Slough and Westgate Landing County Park. Comment
  CAS-BOT-BC240066  Secale cereale T. C. Fuller 1969-5-20 18477 San Joaquin S. side of Lathrop Rd., 0.1 mi. w. of Union Rd., 2 mi. e. of Lathrop Comment
  CDA20490  Sesbania punicea R. Brackenridge 2004-6-24 PDR 1293004 San Joaquin San Joaquin Valley; Steamboat Slough. 0 Comment
  CDA34401  Sesbania punicea E. Finley 1989-6-14 PDR 784224 San Joaquin Stockton Deep Water channel. 0 Comment
  CAS-BOT-BC438174  Sesuvium verrucosum S. B. Parish; W. F. Parish 1881-11-1 s.n. San Joaquin Lathrop, San Joaquin Valley 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
  UCD92601  Setaria parviflora G. F. Hrusa; S. A. Wagner 1992-8-9 9336 San Joaquin Caswell Memorial State Park. 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
  UCR232687  Setaria pumila George K. Helmkamp, E. A. Helmkamp 2011-10-15 18433 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCD37054  Setaria verticillata Beecher Crampton 1956-7-31 3761 San Joaquin San Joaquin County, 1.5 miles south of city of Lodi, along State Highway 12. Comment
  SEINET246026 Image available Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi Comment
  UCD33006  Setaria viridis Beecher Crampton 1965-10-26 7552 San Joaquin San Joaquin County, 1.5 miles north of Lodi on US Hwy. 99. Comment
  UCD38670  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Comment
  UCD92833  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin 0.75 mile south of Thornton. Comment
  UCD92855  Setaria viridis G. F. Hrusa; S. A. Wagner 1992-8-9 9347 San Joaquin Caswell Memorial State Park. Comment
  UCR132389  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Central Valley, 5 miles southwest of Lodi 6 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
  UC18871  Sidalcea diploscypha J. A. Sanford 1898-1 405 San Joaquin Waverly 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
  UC763985  Sidalcea malviflora subsp. laciniata R. F. Hoover 1935-3-1 256 San Joaquin w San Joaquin River bridge (w of Ripon); w of San Joaquin River bridge w of Ripon Comment
  CAS-BOT-BC386890  Silene gallica E. E. Stanford 1930-4-26 1440 San Joaquin Wheatland Rd. Comment
  UCD98673  Silene gallica Marvin Nies 1951-5-4 59 San Joaquin 6 miles east of Lodi. Comment
  SEINET10760847  Silybum marianum E. E. Stanford 1928-5-10 Stanford 945 San Joaquin Stockton, in waste land Comment
  SEINET7883390 Image available Silybum marianum Laura Zeller 1965-1 61 San Joaquin Ca. .5 mile E of intersection of Davis Road and 8-mile Road on 8-mile Road. Comment
  UC764840  Sinapis arvensis Robert F. Hoover 1935-3-1 296 San Joaquin Vernalis Comment
  CAS-BOT-BC74916  Sinapis arvensis J. F. Rock 1917-6-1 s.n. San Joaquin Near Stockton. Comment
  CAS-BOT-BC74917  Sinapis arvensis E. E. Stanford 1926-10-12 52 San Joaquin Near Stockton. Comment
  UCD115409  Sinapis arvensis G. F. Hrusa; S. A. Wagner 1992-3-22 9073 San Joaquin Caswell Memorial State Park. 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
  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
  RSA431754  Sisymbrium officinale Clarence R. Quick 1929-4-22 s.n. San Joaquin North of Campus. Stockton. Calaveras River bottom. Comment
  CHSC53739  Solanum americanum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2725 San Joaquin Narrow island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  UC26219  Solanum americanum J. A. Sanford 1890-1 386 San Joaquin Stockton Comment
  CDA5927  Solanum americanum T. Gantenbein 1993-8-19 San Joaquin Staten Island. 0 Comment
  POM62560  Solanum americanum J. A. Sanford 1890-1 231 San Joaquin Roberts Island. Comment
  UCD126959  Solanum triflorum Dr. Severin 1925-1 s.n. San Joaquin Manteca. Comment
  UC884946  Solanum umbelliferum Alice Eastwood, John Thomas Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  CAS-BOT-BC385870  Solidago canadensis Brian Atwater 1894-7-1 BA- 23 San Joaquin Between Quinby Island and Granks Tract Comment
  CDA8728  Solidago canadensis subsp. elongata J. B. Gianelli 1977-9-15 San Joaquin F. W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  UCD136116  Soliva sessilis G. F. Hrusa; S. A. Wagner 1992-4-2 9250 San Joaquin Caswell Memorial State Park. West of westernmost parking area. Comment
  UCD134011  Sonchus asper subsp. asper G. F. Hrusa; S. A. Wagner 1992-4-22 9297 San Joaquin Caswell Memorial State Park. West of the Quercus lobata-dominated woodland. Comment
  UCD134049  Sonchus oleraceus G. F. Hrusa; S. A. Wagner 1992-4-22 9273 San Joaquin Caswell Memorial State Park. Comment
  CDA2501  Sorghum halepense T. C. Fuller 1961-9-13 6996 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  UCD92665  Sorghum halepense G. F. Hrusa; S. A. Wagner 1992-8-9 9365 San Joaquin Caswell Memorial State Park. Comment
  UC1714638  Sparganium erectum subsp. stoloniferum Katharine Brandegee 1907-9-1 San Joaquin near Lathrop; San Joaquin River Comment
  RSA383727  Sparganium eurycarpum E. E. Stanford 1930-5-13 1482 San Joaquin Roberts Island. Comment
  UC767173  Spergula arvensis subsp. arvensis Robert F. Hoover 1935-3-16 344 San Joaquin Farmington 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
  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
  RSA0097696  Spergularia salina Flossie Draper 1928-4-26 157 San Joaquin Campus, Stockton. 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
  CAS-BOT-BC235470  Sporobolus indicus J. F. Silva; Dep. Agr. Com. 1963-7-25 s.n. San Joaquin Geo. Stockton prop., Grooms Rd., ca. 5 mi. n.e. of Escalon Comment
  CDA2517  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin South side of Mariposa Road, 0.1 miles west of Dodds Road, 4 miles northwest of Escalon. 0 Comment
  CDA2521  Sporobolus indicus R. E. DeVol 1967-11-1 San Joaquin Nick Kroon property, Star Rt. Box 18, Farmington. 0 Comment
  CDA2524  Sporobolus indicus T. C. Fuller 1971-1-29 19812 San Joaquin Dayton Johnson property, west side of Atkins Road, 1.3 miles south of Hwy 88, 1.5 miles southwest of Clements. 0 Comment
  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
  RSA170311  Sporobolus indicus var. indicus J. F. Silva 1963-7-25 s.n. San Joaquin Geo. Stockton Property, Grooms Road, ca. 5 miles NE of Escalon. Comment
  RSA18401  Stachys Carl B. Wolf 1927-6-23 503 San Joaquin 1 mile west of San Joaquin River, between Tracy and Manteca. Comment
  UCR168508  Stachys ajugoides E. E. Stanford 1930-5-31 1538 San Joaquin San Joaquin Valley, Durham Ferry Rd. [San Joaquin River, 2.6 mi. downstream from Stanislaus River, 3.2 miles NE of Vernalis] 11 Comment
  UC761970  Stachys albens R. F. Hoover 1935-8-3 703 San Joaquin 5 mi sw Ripon; Stanislaus River Comment
  CDA41027  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  POM196212  Stellaria media C. R. Quick 1929-2-20 s.n. San Joaquin Campus, Stockton. Comment
  UCR207840  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-3-26 14452 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR253591  Stellaria media George K. Helmkamp 2014-3-18 22585 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
  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
  CAS-BOT-BC395080  Stellaria nitens Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks Comment
  JEPS51113  Stellaria nitens W. L. Jepson 1922-4-2 9591 San Joaquin near Tracy Comment
  CAS-BOT-BC375090  Stephanomeria V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  UC217675  Stephanomeria virgata subsp. pleurocarpa Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC35825  Stephanomeria virgata subsp. pleurocarpa F. T. Bioletti 1891-8-30 San Joaquin Lathrop Comment
  UC10879  Streptanthus glandulosus subsp. glandulosus W. H. Brewer 1268 San Joaquin towards head of Arroyo del Puerto Canyon Comment
  SBBG96655  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany Comment
  UC50120  Stylomecon heterophylla H. P. Fitch 1883-1 132 San Joaquin Stockton Comment
  UCR208964  Stylomecon heterophylla C. F. Baker 1903-4-27 2819 San Joaquin Bethany Comment
  UC767689  Suaeda moquinii R. F. Hoover 1937-6-9 2395 San Joaquin 4 mi n Manteca Comment
  UCD134107  Symphyotrichum chilense G. F. Hrusa 1992-8-26 9558 San Joaquin Caswell Memorial State Park. Comment
  UC29903  Symphyotrichum spathulatum J. Burtt Davy 1893-11-13 1176 San Joaquin Stockton Comment
  UC71891  Symphyotrichum spathulatum Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC893616  Symphyotrichum spathulatum L. R. Abrams 1920-9-30 7788 San Joaquin near Banta Comment
  JEPS31949  Symphyotrichum subulatum W. L. Jepson 1923-10-22 10273 San Joaquin Union Island Lower San Joaquin River, Union Island Comment
  JEPS31955  Symphyotrichum subulatum J. A. Sanford 1928-3-1 San Joaquin Stockton Comment
  JEPS33271  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Road Mage Blvd. 12 Comment
  JEPS82224  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Rd, 3.7 mi e of San Joaquin River Bridge Maze Blvd. 12 Comment
  UC29840  Symphyotrichum subulatum H. P. Fitch 1888-8-1 138 San Joaquin Stockton 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
  UCD14898  Tamarix aphylla Dennis Renault 1996-6-1 s.n. San Joaquin California, San Joaquin Co.; 10-12 mi south of Stockton, almost to Manteca, off of Route 99, west on French Camp Road about 200 ft. from intersection, in an old cemetery; Comment
  SJSU1018  Tamarix parviflora M. Esch 1950-5-1 San Joaquin c. 16 mi W of Stockton on Hwy 4 Comment
  SEINET5713419  Taraxacum officinale Marilyn Bajada 1966-1 1 San Joaquin 2 miles north of Manteca; Manteca Comment
  JEPS31826  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9560 San Joaquin Corral Hollow Mt. Hamilton Range Comment
  CAS-BOT-BC66606  Thysanocarpus curvipes Volney Rattan 1882-5-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66608  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66611  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66612  Thysanocarpus curvipes Volney Rattan 1885-3-20 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
  UC765047  Thysanocarpus curvipes R. F. Hoover 1938-2-27 2801 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  UC11050  Thysanocarpus radians A. W. Gunnison Apr, 1896 San Joaquin Linden Comment
  CAS-BOT-BC67263  Thysanocarpus radians W. P. Steinbeck 1923-5-9 s.n. San Joaquin Near Clements. Comment
  CAS-BOT-BC67265  Thysanocarpus radians W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton. Comment
  UC20903  Torilis nodosa J. A. Sanford 1890-1 92 San Joaquin French Camp Comment
  CDA15565  Toxicodendron diversilobum G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14896 San Joaquin Caswell Memorial State Park; Along Majestic Oaks trail. 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
  SEINET3479092  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
  UC173116  Trichocoronis wrightii var. wrightii Katharine Brandegee 1914-9-28 San Joaquin San Joaquin Bridge Comment
  UC36663  Trichocoronis wrightii var. wrightii F. T. Bioletti 1892-9-9 San Joaquin Lathrop 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
  UC104237  Trichostema lanceolatum T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC555489  Trifolium albopurpureum var. dichotomum H. L. Mason 1932-3-19 6836 San Joaquin 2 mi e Midway Comment
  UC764660  Trifolium albopurpureum var. dichotomum R. F. Hoover 1938-4-10 3066 San Joaquin Lower Hospital Canyon Comment
  POM248722  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA91548  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA20141  Trifolium depauperatum var. amplectens Roxana S. Ferris 1938-4-15 9424 San Joaquin Corral Hollow-Livermore Road. Comment
  POM146122  Trifolium depauperatum var. truncatum E. E. Stanford 1927-3-24 120 San Joaquin Stockton. Comment
  CDA4280  Trifolium fragiferum R. J. Brewer 1968-6-27 San Joaquin R. J. Brewer property, 2613 Bonniebrook Drive, Stockton. 0 Comment
  UC16532  Trifolium fucatum H. P. Fitch 1883-1 130 San Joaquin Stockton Comment
  POM146123  Trifolium fucatum var. fucatum E. E. Stanford 1927-3-23 117 San Joaquin Stockton. Comment
  POM18698  Trifolium gracilentum C. F. Baker 1903-04 5057 San Joaquin Tracy Comment
  RSA22368  Trifolium gracilentum L. S. Rose 38207 San Joaquin Corral Hollow 152 Comment
  SEINET3131848  Trifolium gracilentum L. S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  SBBG15394  Trifolium hirtum E. R. Chandler 1963-5-6 1075 San Joaquin outside community of Bellota Comment
  UC631567  Trifolium microcephalum J. E. Reid San Joaquin Stockton Comment
  UCD109366  Trifolium repens G. F. Hrusa; S. A. Wagner 1992-7-8 9145 San Joaquin Caswell Memorial State Park. Comment
  UC16794  Trifolium variegatum var. melananthum Edw. L. Greene 1889-4-28 San Joaquin Stockton Comment
  UC764653  Trifolium variegatum var. melananthum R. F. Hoover 1935-3-16 353 San Joaquin Farmington Comment
  UC16771  Trifolium variegatum var. variegatum J. A. Sanford 1890-1 153 San Joaquin French Camp Comment
  UC1130128  Trifolium willdenovii C. M. Belshaw 1936-4-23 1967 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 121 Comment
  UC155187  Trifolium willdenovii Katharine Brandegee May 1908 San Joaquin Lathrop Comment
  UC569835  Trifolium willdenovii C. M. Belshaw 1936-4-23 1967 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 121 Comment
  UC631155  Trifolium willdenovii P. B. Kennedy 1907-4-19 San Joaquin Ripon; on rr track Comment
  UC764722  Trifolium willdenovii R. F. Hoover 1937-5-6 2081 San Joaquin 5 mi se Stockton Comment
  UC968637  Trifolium willdenovii C. L. Hitchcock 1940-5-12 San Joaquin 3 mi s Galt Comment
  POM196044  Trifolium willdenovii E. E. Stanford 1929-4-7 1026 San Joaquin Near Peters. Hewitt Rd. 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
  UC16724  Trifolium willdenovii Tracy 1891-1 San Joaquin Benj. Cobb. Comment
  SJSU15309  Triphysaria eriantha I. Bhend 1976-3-20 13 San Joaquin 9.7 miles south of Highway 4. Elev. 900-1200 ft. 274 Comment
  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
  UCR233206  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2010-4-7 15837 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
  OBI64494  Triphysaria eriantha subsp. eriantha David J. Keil 2005-3-13 30357 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 mi NE of Mokelumne River Bridge 82 Comment
  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
  JEPS64213  Triteleia hyacinthina W. L. Jepson 1929-4-28 15203 San Joaquin Clements 60 Comment
  SEINET192002 Image available Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 16 Comment
  UC843575  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 mi s Galt 15 Comment
  POM196334  Triteleia hyacinthina E. E. Stanford 1928-5-12 950 San Joaquin Near Peters. Comment
  RSA378022  Triteleia hyacinthina E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET12049479  Triteleia hyacinthina E. E. Stanford 1928-1 950 San Joaquin near Peters Comment
  UC3315  Triteleia laxa J. A. Sanford 1890-1 396 San Joaquin Waverly Comment
  RSA378048A  Triteleia laxa E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CAS-BOT-BC67345  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3469 San Joaquin Tracy-Southern Pacific toward Antioch. Comment
  CAS-BOT-BC67350  Tropidocarpum capparideum Edw. L. Greene 1888-3-25 s.n. San Joaquin Bethany. Comment
  JEPS54251  Tropidocarpum capparideum Benj. Cobb 1900-4-1 San Joaquin Tracy Comment
  UC762956  Tropidocarpum capparideum R. F. Hoover 1937-4-3 1733 San Joaquin Tracy Comment
  CAS-BOT-BC73835  Tropidocarpum gracile Charles Piper Smith 1922-4-13 3468 San Joaquin Tracy-Southern Pacific Niles Line. Comment
  RSA428388B  Tropidocarpum gracile Dr H. de Forest 1930-4-11 s.n. San Joaquin Field about 100 yrds from Mt House on highway. Comment
  UC614841  Tropidocarpum gracile Beryl O. Schreiber 1932-3-27 150 San Joaquin slope near Midway Comment
  CAS-BOT-BC200549  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi. e. of Escalon Comment
  JEPS71252  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi e of Escalon Comment
  UC768730  Tuctoria greenei R. F. Hoover 1936-6-11 1302 San Joaquin Farmington Comment
  UC768731  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi E of Escalon. Comment
  CDA774  Typha angustifolia T. C. Fuller 1962-6-4 8836 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  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
  UC241774  Typha latifolia Malcolm A. Nobs and S. Galen Smith 1949-7-7 926 San Joaquin near Holt; San Joaquin Valley Comment
  UC441315  Typha latifolia Harriet A. Walker 1907-9-8 894 San Joaquin Lathrop Comment
  UCD94959  Typha latifolia Malcolm A. Nobs; S. Galen Smith 1949-7-7 926 San Joaquin Alkaline 'Grasslands' of the San Joaquin Valley. Near Holt. Comment
  CAS-BOT-BC404011  Urtica dioica subsp. holosericea Brian Atwater 1978-8-22 BA- 53 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  UCD111544  Urtica dioica subsp. holosericea G. F. Hrusa; S. A. Wagner 1992-3-22 9085 San Joaquin Caswell Memorial State Park. Comment
  JEPS43425  Urtica urens W. L. Jepson 1922-4-2 9588 San Joaquin Mount Hamilton Range, Corral Hollow, Castle Rock Castle Rock; Mount Hamilton Range, Corral Hollow, Castle Rock Comment
  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
  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
  UCD124631  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. 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
  CHSC79370  Verbena hastata Beecher Crampton 1955-9-7 3149 San Joaquin 2.5 miles northwest of Thorton, Vail Road. Comment
  JEPS39056  Verbena hastata W. L. Jepson 1913-11-22 5693 San Joaquin Middle River, lower San Joaquin delta Comment
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  RSA147778  Verbena hastata E. E. Stanford 1927-9-26 721 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  UCD125644  Verbena litoralis Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2714 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  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
  UCR63949  Verbena litoralis L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCD125641  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125642  Verbena litoralis Beecher Crampton 1954-11-28 2260 A San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125645  Verbena litoralis G. F. Hrusa 1992-8-26 9567 San Joaquin San Joaquin County Comment
  UCD124700  Veronica anagallis-aquatica G. F. Hrusa; S. A. Wagner 1992-8-9 9339 San Joaquin Caswell Memorial State Park. 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
  JEPS16806  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with G. Thomas Robbins 1955-5-5 4994 San Joaquin 1 1/2 mi sw of Peters (along road from Stockton to Peters) 25 Comment
  SEINET7072567 Image available Veronica peregrina subsp. xalapensis 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
  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
  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
  IRVC27655  Veronica persica E. E. Stanford 1928-2-10 781 San Joaquin Stocton Comment
  RSA398004  Vicia sativa E. E. Stanford 1930-4-17 1329 San Joaquin Clements Road. Comment
  UCD108916  Vicia sativa subsp. nigra G. F. Hrusa; S. A. Wagner 1992-4-22 9306 San Joaquin Caswell Memorial State Park. Comment
  UCR232281  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2011-3-12 17062 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
  UC1999825  Viola californica Milo S. Baker San Joaquin Probably from Tracy, California Comment
  CAS-BOT-BC203010  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Jones Tract, San Joaquin Delta Comment
  RSA390390  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD102802  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD102852  Vitis californica M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley. Coyote Creek tributary riparian zone on Dustin Road. Ca. 0.1 mile N of Liberty Road, near Acampo. 7 Comment
  UCD142927  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD142930  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17093  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17097  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17102  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17103  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17104  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17110  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17111  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17116  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17118  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17120  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17121  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17125  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17129  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17556  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD60313  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  OBI27850  Vitis vinifera Annemarie Rond 1977-6-13 96 San Joaquin W. Swain rd, Stockton Comment
  CAS-BOT-BC198737  Vulpia bromoides Gladys L. Smith 1959-5-2 1061 A San Joaquin Wallace, Hwy. 12 60 Comment
  SEINET10604422  Vulpia microstachys Lewis S. Rose 1938-4-3 Rose 38118 B San Joaquin Corral Hollow. Subsaline flats. 122 Comment
  CAS-BOT-BC183677  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1935-4-7 2088 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC183678  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1935-4-7 2088 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC183681  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1938-4-18 5092 San Joaquin Hospital Canyon Comment
  UC766931  Vulpia microstachys var. ciliata R. F. Hoover 1937-4-3 1740 San Joaquin lower end Corral Hollow Comment
  UC817993  Vulpia microstachys var. confusa Lewis S. Rose 1938-4-3 3811 B San Joaquin Corral Hollow 121 Comment
  CAS-BOT-BC184501  Vulpia microstachys var. pauciflora John Thomas Howell 1938-4-3 13735 San Joaquin Corral Hollow Comment
  POM196215  Vulpia microstachys var. pauciflora C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; In fields near campus Comment
  CAS-BOT-BC185745  Vulpia myuros subsp. megalura E. E. Stanford 1928-4-19 889 San Joaquin Stockton Comment
  SD247296  Vulpia myuros var. hirsuta George K. Helmkamp, Elizabeth Helmkamp 2012-4-7 18719 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  SEINET10604549  Vulpia myuros var. hirsuta E. E. Stanford 1928-4-19 Stanford 889 San Joaquin Stockton. Roadsides and open fields. Comment
  CAS-BOT-BC423388  Wislizenia californica C. C. Parry 1881-7-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC423390  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  CAS-BOT-BC423392  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
  SBBG29793  Wislizenia refracta subsp. californica K. Brandegee 1907-10-2 San Joaquin near Lathrop Comment
  UC101847  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  UC11149  Wislizenia refracta subsp. californica F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC11151  Wislizenia refracta subsp. californica Edw. L. Greene 1889-1 San Joaquin Lathrop Comment
  UC1228152  Wislizenia refracta subsp. californica Beecher Crampton 1960-8-9 5774 San Joaquin along Durham Ferry Rd 7.5 mi w Ripon Comment
  UC638685  Wislizenia refracta subsp. californica Ethel Crum 1930-10-12 891 San Joaquin 5 mi w Stockton; San Joaquin Valley Comment
  UC83248  Wislizenia refracta subsp. californica Katharine Brandegee 1892-9-11 San Joaquin Lathrop Comment
  POM93654  Wislizenia refracta subsp. californica Katherine Brandegee 1907-10-2 s.n. San Joaquin Near Lathrop. Comment
  RSA440868  Wislizenia refracta subsp. californica E. E. Stanford 1930-08 1862 San Joaquin Lincoln Hwy, near French Camp. Comment
  CAS-BOT-BC534961  Wolffia C. Don MacNeill; G. Prlain 1981-12-13 n.s. San Joaquin Mokelumne River below Camanche Reservoir dam 27 Comment
  RSA201764  Wolffia globosa W. R. Russell, Jeff Swader 1967-6-20 s.n. San Joaquin south side of Liberty Road, 1.8 miles east of State Highway 88 Comment
  RSA318296  Wolffia globosa Wayne P. Armstrong 1984-8-23 1216 San Joaquin South side Liberty Road 1.5 mi. east of junction with Highway 88 (southwest of Ione) 61 Comment
  SD117134  Wolffia globosa Wayne P. Armstrong 1984-8-23 1217 San Joaquin South side [of] Liberty Road, 1.5 miles east of junction with Highway 88 (southwest of Ione). [On] surface of small ponds along creek. 60 Comment
  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
  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.