Search Results — 2000 specimen records retrieved (1488 records with coordinates)
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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
  JEPS100505  Acanthomintha lanceolata Dean W. Taylor 1995-4-13 14821 San Joaquin Hospital Canyon 320 Comment
  SD241843  Acanthomintha lanceolata Dean William Taylor 1995-4-13 14821 San Joaquin Hospital Canyon. 320 Comment
  RSA94582  Achillea millefolium var. californica E. E. Stanford 1930-04 s.n. San Joaquin Near Elliott Comment
  CDA21261  Achnatherum brachychaetum R. Breckenridge, Lancaster 1996-8-2 s.n. San Joaquin San Joaquin Valley; 5th year alfalfa field in vicinity of Tracy. Cleistogamous seed in pocket from center of plant base. Perennial bunchgrass. 0 Comment
  SEINET9341013  Achnatherum brachychaetum Unknown 1991-5-1 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC29727  Achyrachaena mollis Alice Eastwood; John Thomas Howell 1935-4-7 2090 San Joaquin East end of Coral Hollow Comment
  JEPS36728  Achyrachaena mollis R. F. Hoover 1935-3-18 372 San Joaquin w at San Joaquin River Bridge Ripon Comment
  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
  UC29293  Achyrachaena mollis A. W. Gunnison 1900-1-1 San Joaquin Comment
  UC29295  Achyrachaena mollis J. A. Sanford 1890-1 San Joaquin French Camp 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
  RSA416305  Achyrachaena mollis E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UCD103927  Acmispon americanus var. americanus E. F. Serr 1931-8-19 2256 San Joaquin Stockton. Comment
  CDA14326  Acroptilon repens J. Allan 1998-7-24 s.n. San Joaquin San Francisco Bay Area; S side Byron Hwy 1/2 mi. N Patterson Pass, on Kelso Rd., Tracy. 0 Comment
  CDA18934  Aegilops cylindrica D. Kratville 2000-5-15 PDR 028351 San Joaquin Lawn Ct., Tracy. 0 Comment
  CAS-BOT-BC202665  Aesculus californica E. E. Stanford 1930-5-17 1503 San Joaquin Near Dry Creek Comment
  CAS-BOT-BC202666  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line Comment
  POM196338  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  CAS-BOT-BC46097  Agoseris hirsuta Volney Rattan 1887-9-1 s.n. San Joaquin Live Oaks Comment
  SJSU5397  Agrostemma githago var. githago M. E. Myers 1955-5-22 65 San Joaquin 12 mi E of Lodi 60 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
  RSA77176  Ailanthus altissima E. E. Stanford 1930-5-16 1488 San Joaquin Stockton. Comment
  SEINET3896057  Alisma gramineum Virginia Alexson 1964-6-13 22 San Joaquin Three miles North of Stockton.; 0 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
  CAS-BOT-BC466768  Allium crispum Mrs. A. R. Arnold 1922-4-1 s.n. San Joaquin Corral Hollow, near Tracy Comment
  RSA21457  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC917064  Allium serra R. Bacigalupi 1949-5-17 3095 San Joaquin Upper slopes of Hospital Hospital Canyon 243 Comment
  CAS-BOT-BC475565  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Hill slope 1/2 mile west of gravel pit at mouth of Corral Hollow on the Livermore road. 152 Comment
  CAS-BOT-BC475566  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital Canyon, SW of Vernalis. 106 Comment
  RSA21628  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  UCD138608  Allium triquetrum D. E. Creighton 1960-3-15 s.n. San Joaquin Stockton. Comment
  UC909001  Allophyllum gilioides subsp. gilioides R. F. Hoover 1938-4-9 3045 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  UCD110014  Alnus rhombifolia G. F. Hrusa; S. A. Wagner 1992-8-8 9342 San Joaquin Caswell Memorial State Park, Stanislaus River. 12 Comment
  UCD144613  Alopecurus carolinianus Mick Canevari 2013-4-22 s.n. San Joaquin Eastern San Joaquin County: Where foothills begin near Escalon. 15 Comment
  JEPS68432  Alopecurus saccatus W. L. Jepson 1929-4-28 15195 San Joaquin Lockeford 30 Comment
  UC188804  Alopecurus saccatus Mr. Sanford 1890-4-11 28 San Joaquin Waverly Comment
  UCD33073  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UCD55939  Alopecurus saccatus Beecher Crampton 1966-5-3 7685 San Joaquin ca. 7- 3/4 miles NNE Lodi, Liberty and Bruella Roads. Comment
  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
  UC596422  Amaranthus californicus R. F. Hoover 1937-9-4 2718 San Joaquin 3 mi e Farmington Comment
  UCD39255  Amaranthus californicus Beecher Crampton 1960-8-9 5768 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CDA3238  Amaranthus cruentus L. Todd 1962-7-31 San Joaquin H. O. Todd property, S. Church Street, Lodi. 0 Comment
  UCD97407  Amaranthus hybridus J. M. Tucker 1956-11-10 3280 -B San Joaquin Beside Howard Road, 3.2 miles northeast of its junction with Tracy Road, on Union Island. 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
  RSA789502  Amaranthus powellii George K. Helmkamp, E. Helmkamp 2011-10-15 18432 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR232675  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UC468986  Ambrosia psilostachya Harriet A. Walker 1907-9-8 888 San Joaquin Sathrop Comment
  UC73989  Ambrosia psilostachya J. A. Sanford 220 San Joaquin Robert's Island Comment
  UCD128819  Ambrosia psilostachya G. F. Hrusa 1992-8-26 9565 San Joaquin Caswell Memorial State Park. Immediately west of westernmost parking area. Comment
  CDA6722  Ambrosia trifida R. S. Griffith 1959-8-4 San Joaquin Clifton Court Road and Byron-Tracy Highway, Byron. 0 Comment
  SEINET237585  Amelichloa caudata Tad H. Gantenbein San Joaquin NE of Tracy town of Banta west of town between Grant Line Rd and Hwy 205 east of Paradise Rd. Comment
  JEPS45987  Ammannia robusta J. Burtt Davy 1893-11-13 1184 San Joaquin Stockton Comment
  UCD102869  Ammannia robusta Rimo Bacigalupi; L. Constance 1962-8-13 8714 San Joaquin Flats on eastern side of San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of side of San Joaquin City. 3 Comment
  RSA639016  Ammi majus Michael A. Vincent 1999-6-12 8619 San Joaquin Along Route 4, 0.5 mile east of Jack Tome Road Comment
  CAS-BOT-BC214041  Amsinckia John Thomas Howell 1933-3-26 10891 San Joaquin Corral Hollow Comment
  UC1178287  Amsinckia Ray and Chisaki K 163 San Joaquin Farmington Comment
  CAS-BOT-BC214039  Amsinckia L. R. Abrams 1923-3-31 9953 San Joaquin 3 mi. from Manteca on Stockton Road Comment
  CAS-BOT-BC26858  Amsinckia delicata Alice Eastwood 1917-4-2 s.n. San Joaquin Banta Comment
  CAS-BOT-BC26859  Amsinckia delicata Alice Eastwood 1917-4-2 s.n. San Joaquin Banta 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
  SEINET3293462 Image available Amsinckia douglasiana P. O. Schallert 1945-3-8 C 30 San Joaquin Near Stockton common waste places Comment
  SEINET12519189  Amsinckia douglasiana Carl B. Wolf 1937-1 8375 San Joaquin San Joaquin Valley; 1 mi south of Stockton on Tracy Road 5 Comment
  SEINET12519190  Amsinckia douglasiana Carl B. Wolf 1937-1 8379 San Joaquin San Joaquin Valley; 3 mi. E of Tracy at junction with Vernalis Road. 8 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
  UC1178333  Amsinckia eastwoodiae Ray and Chisaki 1952-4-22 K 138 San Joaquin Farmington Comment
  RSA0090956  Amsinckia eastwoodiae J. T. Howell 1938-4-10 13756 San Joaquin Hospital Canyon. Comment
  RSA21265  Amsinckia eastwoodiae C. B. Wolf 1937-3-31 8379 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC222441  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line Comment
  CAS-BOT-BC222444  Amsinckia grandiflora Robert F. Hoover 1938-4-9 3021 San Joaquin One mile north 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
  UC762086  Amsinckia grandiflora R. F. Hoover 1938-5-7 3357 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC762090  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
Read comments
May 22 2007
  UC881387  Amsinckia grandiflora Lewis S. Rose 1938-4-26 38210 San Joaquin Corral Hollow 152 Comment
  RSA0090922  Amsinckia grandiflora L. S. Rose 1938-4-26 38210 San Joaquin Corral Hollow. 152 Comment
  SEINET12280474  Amsinckia grandiflora L. S. Rose 1938-1 San Joaquin Comment
  SEINET7883454  Amsinckia grandiflora Lewis S. Rose 1938-1 San Joaquin Comment
  CDA19660  Amsinckia intermedia G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1180 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  HSC104228  Amsinckia intermedia G. K. Helmkamp 2014-3-18 22574 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  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
  POM147727  Amsinckia intermedia E. E. Stanford 1928-3-2 784 San Joaquin Stockton. Comment
  RSA201466  Amsinckia intermedia Alice Eastwood, John Thomas Howell 1935-4-7 2113 San Joaquin East end of Corral Hollow. Comment
  SD243107  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2011-3-12 17066 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of tis junction with Suttenfield Road, 9.4 miles NE (50a^z) of Lodi (Lockeford 7.5'Q) 39 Comment
  UC1084591  Amsinckia intermedia Peter M. Ray 1952-3-29 2187 San Joaquin 1 mi n Corral Hollow (w side of ridge near summit, first ridge e of Alameda-San Joaquin county line just n of; (hill 1524)) 457 Comment
  UC1094068  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1951-4-14 1983 San Joaquin 3 mi e of Stockton (Hwy #4) 7 Comment
  UC1178286  Amsinckia intermedia Ray and Chisaki 1952-9-3 K 159 San Joaquin Farmington Comment
  UC75331  Amsinckia intermedia C. F. Baker 1903-4-25 2779 San Joaquin Tracy; Pacific Coast Comment
  UCR207836  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2009-3-26 14459 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCSB5508  Amsinckia intermedia Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow; Inner Coast Ranges 198 Comment
  UCD119689  Amsinckia intermedia Marvin L. Nies 1951-4-7 41 San Joaquin 5 miles east of Lodi. Comment
  UC1178258  Amsinckia lycopsoides Francia Chisaki 1954-3-27 583 San Joaquin on Corral Hollow Road, 1.7 mi s of junction with Fabian Road now called Tracy Expressway; Corral Hollow Road Comment
  UC573080  Amsinckia lycopsoides H. L. Mason 1932-3-19 6813 San Joaquin w of Tracy (road from Mountain House to Midway) Comment
  UC727044  Amsinckia lycopsoides A. A. Heller 1941-3-24 15911 San Joaquin Banta Comment
  UCD96873  Amsinckia lycopsoides Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6927 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
  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
  JEPS61108  Amsinckia menziesii var. menziesii W. L. Jepson 1938-4-14 18683 San Joaquin headwaters of Goose Creek Comment
  UC1178324  Amsinckia menziesii var. menziesii Ray and Chisaki 1952-4-22 K 139 San Joaquin Farmington Comment
  UC1191064  Amsinckia menziesii var. menziesii C. R. Bell 1951-4-6 955 San Joaquin Farmington Comment
  JEPS20912 Image available Amsinckia tessellata W. L. Jepson 1896-6-27 100 d San Joaquin between Mossdale School and Atlanta; ; Between Mossdale School & Atlanta, San Joaquin Co. Comment
  SEINET12519231  Amsinckia tessellata P. O. Schallert 1943-1 39 San Joaquin Stockton Comment
  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
  UC765547  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-10 3063 San Joaquin Lower Hospital Canyon Comment
  UCD117537  Anagallis arvensis Marvin Nies 1951-5-4 57 San Joaquin 6 miles east of Lodi. Comment
  JEPS40576  Ancistrocarphus filagineus R. F. Hoover 1937-4-3 1741 San Joaquin lower end Corral Hollow Comment
  CAS-BOT-BC46944  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 San Joaquin two mi. e. of Midway. Midway is e. of Patterson Pass, and s. of Mountain House on Rt. 50. Comment
  UC635716  Androsace elongata subsp. acuta H. L. Mason 1932-3-19 6820 San Joaquin two mi e Midway Comment
  UCD77333  Androsace elongata subsp. acuta Robert E. Preston 2002-4-1 1782 San Joaquin Lawrence Livermore National Laboratory, Site 300. 365 Comment
  CAS-BOT-BC400245  Anemopsis californica E. E. Stanford 1930-5-2 1453 San Joaquin King's Island Road Comment
  CDA39495  Anemopsis californica T. C. Fuller, J. B. Gianelli 1959-6-15 2614 San Joaquin Lodi. 0 Comment
  SEINET8656083  Anemopsis californica E. E. Stanford 1930-5-2 1453 San Joaquin King's Island Road Comment
  SEINET8656120  Anemopsis californica D. W. McNeal 1983-5-16 2807 San Joaquin Moist soil along the edge of the slough N. of Eight Mile Rd. 0.6 mi. W. of Interstate #5 N. of Stockton. Comment
  UCD137931  Anemopsis californica J. W. Adriance 1922-6-28 s.n. San Joaquin Stockton. Comment
  UC1714619  Anoda cristata L. Belding Nov 1900 San Joaquin Stockton Comment
  UCD116182  Anoda cristata Collector unknown 1996-5-28 s.n. San Joaquin Southeast of Stockton, off Kaiser Road, South of Mariposa Road. Comment
  CAS-BOT-BC84680  Anthemis cotula E. E. Stanford 1926-10-7 48 San Joaquin Stockton. Calaveras River 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
  UCD127277  Anthriscus caucalis Terri Williamson 1990-4-28 14 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  CDA39746  Apocynum androsaemifolium Bellue - Ball Sep 1938 s.n. San Joaquin Near Lodi or Stockton. 0 Comment
  UC22896  Apocynum cannabinum J. A. Sanford 1890-1 San Joaquin Stockton Comment
  RSA308817  Apocynum cannabinum I. L. Wiggins 1942-7-1 s.n. San Joaquin San Joaquin Bridge, 4.5 miles south of Stockton Comment
  RSA147785  Apocynum sibiricum E. E. Stanford 1927-9-26 715 San Joaquin Stockton, near Louis Park Comment
  CDA38587  Arctostaphylos glauca T. C. Fuller 1971-4-22 19845 San Joaquin North slope of Mt. Bordman. 0 Comment
  UC21920  Arctostaphylos viscida subsp. mariposa J. A. Sanford 1890-1 422 San Joaquin Comment
  UCD56469  Aristida oligantha Beecher Crampton 1956-7-30 3745 San Joaquin 4.8 miles north of Farmington. Comment
  CDA3628  Armoracia rusticana J. Solari 1966-4-12 San Joaquin San Joaquin Delta . 0 Comment
  UC29660  Artemisia biennis D. T. Fowler 1899-10-1 San Joaquin Lockford Comment
  UC449642  Artemisia douglasiana Harriet A. Walker 1907-9-8 907 San Joaquin Sathrop Comment
  UC91174  Artemisia ludoviciana subsp. ludoviciana T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC23013  Asclepias erosa H. N. Bolander 1866-1 4894 San Joaquin San Joaquin Plains Comment
  UC23002  Asclepias fascicularis J. A. Sanford 1890-1 382 San Joaquin Stockton Comment
  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
  SEINET10637016  Asclepias fascicularis Ezra Michener, Frederic T. Bioletti 1892-9-9 Michener s.n. 1892 San Joaquin Lathrop Comment
  SEINET10923194  Asclepias fascicularis E. E. Stanford 1927-8-31 Stanford 695 San Joaquin Stockton Comment
  JEPS49820  Asclepias vestita W. L. Jepson 1902-5-18 1823 C San Joaquin Clements 40 Comment
  RSA201429  Asparagus officinalis J. T. Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  CAS-BOT-BC478841  Asparagus officinalis John Thomas Howell 1967-10-19 44018 San Joaquin Caswell Memorial State Park Comment
  CDA10237  Aster chilensis Croce 1963-12-17 San Joaquin Woodbridge Irrigation District, Augie Orrigone property, north of Highway 99. 0 Comment
  SEINET3388586 Image available Aster exilis Lewis S. Rose 1932-10-2 32663 San Joaquin Holt Comment
  POM147804  Aster subulatus var. ligulatus E. E. Stanford 1927-8-18 683 San Joaquin Stockton Comment
  CAS-BOT-BC478058  Asteraceae James McMurphy 1908-10-19 s.n. San Joaquin Between Tracy and Altamont Comment
  CAS-BOT-BC180514  Astragalus asymmetricus David D. Keck 1933-8-23 2502 San Joaquin Carnegie, Corral Hollow, Western San Joaquin County 198 Comment
  UC82628  Astragalus asymmetricus C. F. Baker 1903-4-27 2818 San Joaquin Bethany Comment
  POM16147  Astragalus didymocarpus C. F. Baker 1903-4-25 2782 San Joaquin Tracy Comment
  UC82658  Astragalus didymocarpus C. F. Baker 1903-4-25 2782 San Joaquin Tracy 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-BC182329  Astragalus didymocarpus var. didymocarpus Charles Piper Smith 1921-4-13 3466 San Joaquin Tracy - Southern Pacific - Niles line Comment
  CAS-BOT-BC182330  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1938-4-18 5076 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC182333  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1935-4-7 s.n. San Joaquin Corral Hollow Comment
  CAS-BOT-BC182335  Astragalus didymocarpus var. didymocarpus H. L. Mason 1932-3-19 6834 San Joaquin Two miles east of Midway, near Tracy Comment
  CAS-BOT-BC182332  Astragalus didymocarpus var. didymocarpus E. E. Stanford 1930-4-19 1370 San Joaquin Patterson Pass Road Comment
  CAS-BOT-BC182661  Astragalus douglasii Volney Rattan 1880-7-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC178267  Astragalus gambelianus Maxine Wilkes 1940-4-7 135 San Joaquin Corral Hollow Comment
  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
  CAS-BOT-BC178268  Astragalus gambelianus Volney Rattan 1883-3-20 s.n. San Joaquin Wilkinson's Ranch Comment
  CAS-BOT-BC186972  Astragalus layneae C. F. Saunders 1903-5-1 s.n. San Joaquin Victor Comment
  CAS-BOT-BC193340  Astragalus tener var. tener E. E. Stanford 1927-3-23 116 San Joaquin Stockton. Near Smith's Canal Comment
  RSA128158  Astragalus trichopodus Clare B. Hardham 1957-5-10 1953 San Joaquin Willow Creek, near Memmonite Church. Comment
  CHSC55815  Athyrium filix-femina var. cyclosorum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2723 San Joaquin In Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stockton. 1 Comment
  JEPS53222  Athysanus pusillus W. L. Jepson 1922-4-2 9584 San Joaquin Corrral Hollow, w San Joaquin County Corrral Hollow 182 Comment
  CAS-BOT-BC17577  Athysanus pusillus Frank Walton Gould 1940-3-12 883 San Joaquin Ridge opposite Castle Rock, Corral Hollow, Mount Hamilton Range. 198 Comment
  UCR51786  Athysanus unilateralis L. S. Rose 1938-4-3 38120 San Joaquin San Joaquin Valley/Inner South Coast Range, Corral Hollow 122 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
  UC205287  Atriplex argentea var. mohavensis H. M. Hall 1919-10-26 San Joaquin Manteca Comment
  JEPS627  Atriplex cordulata W. L. Jepson 1896-7-17 San Joaquin near Stockton (Lower San Joaquin Valley); , near Stockton Comment
  RSA97313  Atriplex fruticulosa J. T. Howell 1953-4-26 28934 San Joaquin Just NE of Corral Hollow on road to Tracy. Comment
  SEINET4133819  Atriplex fruticulosa Howard C. Stutz 1991-5-31 95520 San Joaquin North Livermore, 2000 No, Bluebell Boulevard.; 0 Comment
  POM195360  Atriplex joaquinana H. M. Hall 1927-5-15 12270 San Joaquin Stockton Comment
  RSA43040  Atriplex polycarpa Robert F. Hoover 1946-9-14 6392 San Joaquin Shandon, on alkaline valley flat Comment
  UCD97621  Atriplex prostrata K. Esau 1929-9-21 2039 San Joaquin Staten Island. Comment
  CDA2938  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  CDA2944  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  UC57370  Atriplex semibaccata N. K. Berg 1903-12-10 28 San Joaquin Rough and Ready Isl. Comment
  UCD39027  Atriplex semibaccata Beecher Crampton 1960-8-9 5764 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CDA23323  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
  CDA23326  Atriplex serenana T. C. Fuller 1962-6-4 8833 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  POM216532  Atriplex serenana D. D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., 5 miles E of Manteca. 23 Comment
  UCD97792  Atriplex serenana A. S. Crafts 1926-7-24 503 San Joaquin between Manteca and Merced. Comment
  CAS-BOT-BC180889  Atriplex serenana var. serenana David D. Keck 1931-10-18 1312 San Joaquin Simms Station, Tidewater Southern R.R., five miles east of Manteca 23 Comment
  CAS-BOT-BC180894  Atriplex serenana var. serenana L. R. Abrams 1934-5-28 13572 San Joaquin Manteca 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
  RSA147734  Atriplex subspicata E. E. Stanford 1927-9-26 718 San Joaquin Stockton. Comment
  RSA478356  Atriplex subspicata E. E. Stanford 1926-10-12 55 San Joaquin Near Stockton Comment
  UCR253605  Avena barbata George K. Helmkamp 2014-3-18 22573 A San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CDA12442  Avena fatua G. F. Hrusa, S. A. Wagner 1992-3-4 9088 San Joaquin Caswell Memorial State Park. Immediately below the campground. Comment
  SEINET3291460 Image available Avena fatua Unknown 1945-4-22 San Joaquin Stockton Comment
  UCD56329  Avena fatua G. F. Hrusa; S. A. Wagner 1992-4-22 9296 San Joaquin On S side of Stanislaus River adjacent to Caswell Memorial State Park. Comment
  UCD96917  Avena fatua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6954 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  SBBG28505  Azolla filiculoides E. Lee 1934-7-4 970 San Joaquin Borden Hwy between Middle and Old Fks of San Joaquin River Comment
  CAS-BOT-BC66231  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  JEPS33846  Azolla microphylla Edward Lee with A. Carter and F. Little 1934-7-4 970 San Joaquin 1/2 mi e of <illeg.> slough Borden Hwy. (between middle and old river (San Joaquin), trip to Holt) Comment
  CHSC110790  Baccharis douglasii Dean Wm. Taylor 2012-11-23 21317 San Joaquin 14 Mile Slough, Stockton; equidistant between western birm of Feather River Drive and eastern levee of the sough, on western perimeter of the dog park; T/R Section unsectionized (projected 2N6E14). 0 Comment
  JEPS21242  Baccharis glutinosa R. F. Hoover 1935-9-9 724 San Joaquin Union Island Comment
  UC30357  Baccharis glutinosa F. T. Bioletti 1891-8-31 San Joaquin Comment
  UCD129410  Baccharis glutinosa G. F. Hrusa; S. A. Wagner 1992-8-9 9323 San Joaquin Caswell Memorial State Park. Comment
  CDA10386  Baccharis pilularis subsp. consanguinea F. M. Newhall 1959-11-23 San Joaquin 0 Comment
  RSA18937  Baccharis salicifolia Roxana S. Ferris 1938-4-15 9402 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  SEINET899244  Baccharis salicifolia R. A. Dodge 1957-1 90 San Joaquin 15 miles southeast of Livermore, on Corral Hollow Road 46 Comment
  POM204439  Bassia hyssopifolia J. T. Howell 1933-7-20 11444 San Joaquin Bottom lands along San Joaquin River near Tracy. Comment
  CAS-BOT-BC102061  Bidens frondosa John Thomas Howell 1929-9-21 4408 San Joaquin Holt Comment
  JEPS32535  Bidens frondosa W. L. Jepson 1923-10-22 10279 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River Comment
  JEPS79580  Bidens frondosa Edward Lee with A. Carter and F. Little 1934-7-4 955 San Joaquin Borden Road between Middle River and Holt Comment
  JEPS79581  Bidens frondosa Edward Lee with A. Carter and F. Little 1934-7-4 955 San Joaquin Borden Road between Middle River and Holt Comment
  UC579887  Bidens frondosa Annetta Carter 1934-7-4 1934 San Joaquin between Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway Comment
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  RSA92410  Bidens frondosa Annetta Carter 1934-7-4 678 San Joaquin Borden Highway between Middle River and Holt Comment
  SD58196  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, lower San Joaquin River. Comment
  UC88529  Bidens laevis K. Brandegee 1892-1 San Joaquin Bouldin Island Comment
  CAS-BOT-BC102028  Bidens laevis E. E. Stanford 1926-10-19 67 San Joaquin Stockton Comment
  CDA10517  Bidens laevis J. F. Silva 1957-10-4 385 -57 San Joaquin Escalon. 0 Comment
  CDA10520  Bidens laevis T. C. Fuller 1968-10-16 17709 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 0 Comment
  CDA10524  Bidens laevis T. C. Fuller 1968-10-16 17709 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 0 Comment
  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
  JEPS33982  Blennosperma nanum var. nanum W. L. Jepson 1938-4-14 18680 San Joaquin about headwater of Goose Creek ne San Joaquin County Comment
  CAS-BOT-BC127904  Blepharizonia laxa James Vale 1975-9-17 s.n. San Joaquin East end of Corrall Hollow Comment
  CAS-BOT-BC127910  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Lower part of Hospital Canyon, Mount Hamilton Range 152 Comment
  UC101776  Blepharizonia laxa Katharine Brandegee 1907-10-2 San Joaquin near (railroad track) Stockton Comment
  UCD129612  Blepharizonia laxa Robert E. Preston 1996-10-4 1004 San Joaquin east-facing bank on north side of Corral Hollow Road, around 1.8 mile west of it junction with I-5. 137 Comment
  UC990576  Blepharizonia plumosa James I. McMurphy 1908-10-19 San Joaquin along rr track, 6 1/2 w of Tracy Comment
  UCD129610  Blepharizonia plumosa Robert E. Preston 1996-9-27 1002 San Joaquin Lawrence Livermore National Laboratory, Site 300, on west-facing slope adjacent to Building 801. 350 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
  UC1100915  Bolboschoenus maritimus subsp. paludosus Herbert L. Mason 1948-5-31 13574 San Joaquin three mi n Ripon; n of Ripon Comment
  CAS-BOT-BC95321  Bowlesia incana E. E. Stanford 1930-4-5 1228 San Joaquin Hospital Canyon Comment
  UC765840  Bowlesia incana Robert F. Hoover 1935-3-1 272 San Joaquin 5 mi sw of Ripon Comment
  SEINET3404157 Image available Brassica campestris P. O. Schallert 1945-3-29 s.n. San Joaquin Near Stockton 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
  CAS-BOT-BC30267  Brassica nigra E. E. Stanford 1928-3-13 802 San Joaquin Stockton. Comment
  CDA24703  Brassica nigra T. C. Fuller 1962-4-2 8205 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  CDA3635  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
  RSA482907  Brassica nigra E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. 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
  UCR232199  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2011-3-12 17070 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UCR238400  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCR253639  Brassica rapa George K. Helmkamp 2014-3-18 22582 San Joaquin Eastern San Joaquin Valley, Collier Road, 0.2 mile west of its junction with CA-88, c. 2 miles west of Comanche Reservoir 43 Comment
  UCR2202B  Briza media F. M. Reed 1920-10-22 4539 San Joaquin Sacramento Valley, Rice field near Galt 15 Comment
  RSA25312  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 16 Comment
  UCR2202A  Briza minor F. M. Reed 1920-10-22 4539 San Joaquin Sacramento Valley, Rice field near Galt 15 Comment
  RSA70128  Brodiaea appendiculata E. E. Stanford 1930-5-3 1467 San Joaquin Jack Tone Road. Comment
  UC552435  Brodiaea appendiculata R. F. Hoover 1936-4-30 1058 San Joaquin Farmington Comment
  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
  POM196335  Brodiaea appendiculata E. E. Stanford 1928-5-12 952 San Joaquin Near Peters. Comment
  RSA232769  Brodiaea appendiculata Lee W. Lenz 24801 San Joaquin 12 mi S Ione, Rd 88. Comment
  SEINET12049955  Brodiaea appendiculata E. E. Stanford 1930-1 1467 San Joaquin near Stockton Comment
  SEINET10533783  Brodiaea coronaria E. E. Stanford 1928-5-12 Stanford 952 San Joaquin Near Peters. Open fields in dry soil. Comment
  SEINET10534046  Brodiaea hyacinthina Charles L. Hitchcock 1940-5-12 Hitchcock 6366 San Joaquin 3 miles south of Galt. In drying vernal pool. elev. 52 feet. 15 Comment
  SEINET10534052  Brodiaea hyacinthina E. E. Stanford 1928-5-12 Stanford 950 San Joaquin Near Peters. In mud-roadslides. Comment
  CAS-BOT-BC484509  Brodiaea minor Roxana S. Ferris 1953-5-15 12642 San Joaquin Road between Everett School & intersection with Bellota-Farmington road, ca. 1 mi. W of intersection Comment
  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
  RSA364010  Bromus catharticus E. E. Stanford 1930-5-21 1505 San Joaquin Stockton; on campus [campus location not specified] Comment
  UCD58406  Bromus catharticus G. F. Hrusa; S. A. Wagner 1992-4-22 9265 San Joaquin Caswell Memorial State Park. Comment
  SEINET10523268  Bromus catharticus E. E. Stanford 1930-5-21 Stanford 1505 San Joaquin Stockton. Weed on campus. Comment
  SEINET3292686 Image available Bromus commutatus P. O. Schallert 1945-5-20 C 274 San Joaquin Stockton Comment
  SACT000664  Bromus diandrus Herbert Copeland 1935-7-28 San Joaquin 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
  UCR232201  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17068 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UCR253640  Bromus diandrus George K. Helmkamp 2014-3-18 22581 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UC596191  Bromus hordeaceus R. F. Hoover 1935-3-16 346 San Joaquin Farmington Comment
  UC766829  Bromus hordeaceus R. F. Hoover 1937-5-6 2079 San Joaquin 5 mi se of Stockton Comment
  UCD58655  Bromus hordeaceus G. F. Hrusa; S. A. Wagner 1992-4-22 9249 San Joaquin Caswell Memorial State Park. Comment
  UCD58662  Bromus hordeaceus G. F. Hrusa; S. A Wagner 1992-4-22 9264 San Joaquin Caswell Memorial State Park. Comment
  UCR128287  Bromus hordeaceus Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UCR238415  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-4-7 18715 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCD59274  Bromus racemosus Terri Williamson 1990-4-28 10 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  CDA19701  Cabomba caroliniana F. Maly 2001-8-2 PDR 175264 San Joaquin Sacramento Delta; Middle River north of Bullfrog Marina. 1 Comment
  CDA21076  Cabomba caroliniana D. Griffin, J. Scheiman, D. Daniels 1988-9-28 s.n. San Joaquin Sacramento/San Joaquin river Delta 0 Comment
  CDA14314  Caesalpinia gilliesii J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; In the vicinity of 11th & Bird Streets in Tracy. 0 Comment
  UC765776  Calandrinia ciliata Robert F. Hoover 1935-3-1 273 San Joaquin five mi s Tracy Comment
  UC7747  Calandrinia ciliata J. A. Sanford 1890-1 94 San Joaquin French Camp Comment
  CAS-BOT-BC438329  Calandrinia ciliata E. Roy Weston 1927-4-3 586 San Joaquin Near Comanche Pk., San Joaquin Valley Comment
  CAS-BOT-BC438330  Calandrinia ciliata E. E. Stanford 1927-3-7 97 San Joaquin Stockton Comment
  CAS-BOT-BC167300  California macrophylla Alice Eastwood; John Thomas Howell 1938-4-18 5089 San Joaquin Hospital Canyon Comment
  IRVC12842  Calochortus venustus unknown student of, Lincoln Constance 1967-5-21 s.n. San Joaquin 6 mi NE Clements, Hwy 88. Comment
  POM298216  Calycadenia hispida H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles east of Farmington on road to Milton Comment
  JEPS33814  Calycadenia multiglandulosa C. C. Parry 1881-1-1 San Joaquin Stockton Comment
  JEPS38569  Calycadenia multiglandulosa W. L. Jepson 1896-6-27 14866 San Joaquin lower San Joaquin, between Moss Ferry and Atlanta San Joaquin Comment
  UC177478  Calycadenia multiglandulosa C. C. Parry 1881-1-1 San Joaquin Stockton Comment
  CAS-BOT-BC270659  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton Comment
  CAS-BOT-BC270664  Calycadenia multiglandulosa David D. Keck; Palmer Stockwell 1933-8-23 2511 San Joaquin 2.5 miles E of Farmington, on bank at edge of cultivated field Comment
  UC177511  Calycadenia spicata C. C. Parry 1881-10-1 132 San Joaquin near Stockton Comment
  RSA255490  Calycadenia truncata subsp. truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 miles west of Calaveras Co. line on Hwy. 12 61 Comment
  UC596414  Calyptridium monandrum R. F. Hoover 1938-4-9 3044 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  CAS-BOT-BC436434  Calystegia Volney Rattan 1880-6-1 s.n. San Joaquin Wm. Wilkinson Ranch, Live Oaks Comment
  UC1191637  Calystegia sepium subsp. binghamiae Herbert L. Mason, Verne Grant 1946-8-21 13067 San Joaquin Holt Holt (in tules) Comment
  CAS-BOT-BC190900  Calystegia sepium subsp. limnophila Brian Atwater 1978-8-22 BA- 52 San Joaquin between Victoria Island and Upper Jones Tract Comment
  UC196144  Camissonia campestris subsp. campestris J. W. Congdon 1893-4-30 San Joaquin Lathrop Comment
  UC20526  Camissonia contorta Benj. Cobb San Joaquin Tracy Comment
  UCD103270  Camissonia contorta A. S. Crafts 1932-3-30 s.n. San Joaquin Manteca. Comment
  UC763041  Camissoniopsis micrantha R. F. Hoover 1938-4-9 3034 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  CDA37997  Camissoniopsis micrantha F. J. Newhall 1960-7-5 s.n. San Joaquin Lodi. 0 Comment
  CAS-BOT-BC76271  Canbya candida Marcus E. Jones 1903-5-18 s.n. San Joaquin Victor [name changed to Victorville in 1901]. 792 Comment
  CAS-BOT-BC403911  Cannabis sativa Herbert L. Mason; Verne Grant 1946-8-21 13058 San Joaquin West of Stockton on Borden Highway Comment
  POM312901  Cannabis sativa H. L. Mason, Verne Grant 1946-8-21 13058 San Joaquin West of Stockton on Borden Hwy; Marsh Plant Survey. Comment
  UC1192294  Cannabis sativa Herbert L. Mason, Verne Grant 1946-8-21 13058 San Joaquin w of Stockton (on Borden Highway) Comment
  RSA530958  Capsella bursa-pastoris Cyril R. Owen 1927-9-20 21 San Joaquin Campus. [College of the Pacific, Stockton.] Comment
  SEINET10812499  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2010-4-7 Helmkamp 15831 San Joaquin Northeast San Joaquin Valley: Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi NE (27) of Clements (Clements 7.5' Q). 47 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
  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
  CAS-BOT-BC19312  Carex barbarae T. C. Fuller 1962-4-24 8211 San Joaquin South side of W.P.R.R. tracks, between Paradise Cut & Old River, ca. 8 miles NE of Tracy. Comment
  UCR63927  Carex barbarae L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CDA33035  Carex barbarae T. C. Fuller 1968-10-31 17946 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  UC1100423  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC118333  Carex praegracilis Wilhelm Nikolaus Suksdorf 1913-6-6 40 San Joaquin Lathrop Comment
  UCD140756  Carex praegracilis G. F. Hrusa; S. A. Wagner 1992-4-22 9255 San Joaquin Caswell Memorial State Park. Comment
  SEINET10817754  Carex praegracilis Wilhelm N. Suksdorf 1913-6-6 Suksdorf 40 San Joaquin Lathrop. Comment
  CHSC84728  Carex vulpinoidea Beth Hendrickson 2002-7-10 San Joaquin San Joaquin Valley. Old River, along the west side of Bacon Island, toward the north of the island. At base of levee. 1 Comment
  CDA6946  Carthamus creticus T. C. Fuller 1960-5-17 4333 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  UCD150814  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin San Joaquin County, east of Stockton; south side of Farmington Road at junction with Hollenbeck Road, 1.3 miles east of Jack Tone Road. 21 Comment
  CAS-BOT-BC281891  Carthamus lanatus T. C. Fuller 1960-5-17 4333 San Joaquin Adjacent to Ladino clover pasture, S/Highway 4, 1.4 miles E/Jacktone Rd, 8.7 mile E/Stockton Comment
  JEPS3793  Castilleja attenuata W. L. Jepson 1929-4-28 15193 San Joaquin Lockeford 30 Comment
  CDA14344  Castilleja campestris subsp. campestris J. B. Gianelli 1995-5-4 San Joaquin Angraves Estate, Acampo. 0 Comment
  JEPS4553  Castilleja campestris subsp. campestris R. F. Hoover 1936-4-30 1051 San Joaquin 2 mi n Escalon Comment
  UC27249  Castilleja exserta J. A. Sanford 1890-1 158 San Joaquin French Camp Comment
  JEPS10295  Castilleja exserta subsp. exserta W. L. Jepson 1922-4-2 9589 San Joaquin Tracy 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
  UC764615  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-19 2867 San Joaquin near Alameda Co. line 1 mi n Corral Hollow; n of Corral Hollow Comment
  UC855876  Caulanthus coulteri var. lemmonii Lewis S. Rose 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  CAS-BOT-BC41070  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-5-24 5790 San Joaquin Hospital Canyon. Comment
  CHSC67902  Caulanthus flavescens James D. Jokerst 1989-3-30 3075 San Joaquin Lawrence Livermore Laboratory, Site 300. 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
  UC1070699  Ceanothus integerrimus R. D. Roseberry 1935-5-13 157 San Joaquin Mokelumne River 60 Comment
  CDA7327  Centaurea solstitialis T. C. Fuller 1960-5-17 4332 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  SEINET3237955 Image available Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCR253795  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20068 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC284485  Centaurea solstitialis E. E. Stanford 1926-10-7 31 San Joaquin Calaveras river bottom, Stockton Comment
  UCD130074  Centaurea solstitialis G. F. Hrusa; S. A. Wagner 1992-7-8 9140 San Joaquin Caswell Memorial State Park. Immediately below picnic area. Comment
  CDA7354  Centaurea sulphurea D. Fehling 1963-6-11 San Joaquin Claude C. Wood Construction Company yard, Victor Road, Lodi. 0 Comment
  UC763206  Centaurium muehlenbergii Robert F. Hoover 1935-6-12 649 San Joaquin Farmington Comment
  CAS-BOT-BC288640  Centromadia fitchii David D. Keck 1933-10-28 2570 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288648  Centromadia fitchii Samuel B. Parish 1934-11-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC288652  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  UC30948  Centromadia fitchii J. A. Sanford 1890-1-1 20 San Joaquin Waverly Comment
  CAS-BOT-BC288646  Centromadia fitchii L. R. Abrams 1917-9-14 6749 San Joaquin Stockton - Sacramento Rd Comment
  CAS-BOT-BC288647  Centromadia fitchii Ira L. Wiggins 1934-6-23 6938 San Joaquin 3.2 miles E of Escalon on road to Oakdale Comment
  CAS-BOT-BC288653  Centromadia fitchii David D. Keck 1933-10-28 2585 San Joaquin 11.3 miles N of Stockton Comment
  OBI75388  Centromadia fitchii David J. Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Hwy 88, 11.9 miles east of Hwy 99. Comment
  SEINET3928147  Centromadia fitchii David Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Highway 88, 11.9 miles east of Highway 99.; 0 Comment
  SJSU5865  Centromadia fitchii M. E. Myers 1955-7-30 91 San Joaquin 12 miles E of Lodi 182 Comment
  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
  CAS-BOT-BC271516  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton Comment
  CAS-BOT-BC271517  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento Comment
  CAS-BOT-BC271518  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento Comment
  CAS-BOT-BC271521  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC134550  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin railroad track near Stockton Comment
  UC134634  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin near Stockton (railroad track) Comment
  CAS-BOT-BC279115  Centromadia pungens subsp. laevis David D. Keck 1933-10-28 2576 San Joaquin N. city limits of Stockton on western road to Sacramento Comment
  CAS-BOT-BC279294  Centromadia pungens subsp. pungens John Thomas Howell 1930-6-28 5327 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC279299  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2582 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279301  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2579 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  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
  UC481042  Centromadia pungens subsp. pungens Harriet A. Walker 1907-9-8 935 San Joaquin Lathrop Comment
  CAS-BOT-BC222952  Cephalanthus occidentalis E. E. Stanford 1930-8-1 1873 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC222953  Cephalanthus occidentalis Volney Rattan 1881-7-2 s.n. San Joaquin Mokelumne River Comment
  CAS-BOT-BC222955  Cephalanthus occidentalis Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi. W. of San Joaquin Riv. Comment
  CAS-BOT-BC222956  Cephalanthus occidentalis E. E. Stanford 1930-8-1 1873 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC222957  Cephalanthus occidentalis Barrett Anderson 1987-10-24 3631 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC222958  Cephalanthus occidentalis John Thomas Howell 1929-9-21 4419 San Joaquin Island Road between Brentwood and Stockton, near Holt Comment
  CAS-BOT-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
  OBI3310  Cephalanthus occidentalis Neil Havlik 1969-7-27 511 San Joaquin Along the San Joaquin river where State hwy 4 crosses it W of Stockton 6 Comment
  OBI3311  Cephalanthus occidentalis Neil Havlik 1969-7-27 510 San Joaquin Along the San Joaquin river where State hwy 4 crosses it W of Stockton 6 Comment
  JEPS12457  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UCR232242  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17067 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
  UCR253642  Cerastium glomeratum George K. Helmkamp 2014-3-18 22575 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
  HSC24640  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, SW of Holt Comment
  CDA18615  Ceratophyllum demersum E. Finley 1999-10-3 PDR 1013546 B San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  POM257010  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, SW of Holt. Comment
  SEINET3416657 Image available Cercis occidentalis William G. Gambill Jr. s.n. San Joaquin Stockton, 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
  CDA39030  Chamaesyce serpillifolia subsp. serpillifolia D. G. Kelch 2011-10-4 11 .834 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  JEPS52344  Chamaesyce serpyllifolia W. L. Jepson 1923-10-22 10274 San Joaquin Lower San Joaquin River, Union Island Comment
  UC110085  Chamaesyce serpyllifolia T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC136729  Chamaesyce serpyllifolia Katharine Brandegee Sept. 1907 San Joaquin Lathrop Comment
  UC17681  Chamaesyce serpyllifolia J. Burtt Davy 1893-11-13 1174 San Joaquin Stockton Comment
  SD240974  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-15 18430 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  RSA423296  Chenopodium album D. D. Keck 1931-10-18 1315 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  UCR194981  Chenopodium album George K. Helmkamp, E. A. Helmkamp 2007-10-13 13096 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  RSA423297  Chenopodium album E. E. Stanford 1930-5-28 1528 San Joaquin Lincoln Highway near French Camp Comment
  JEPS59715  Chenopodium ambrosioides W. L. Jepson 1913-11-22 5694 San Joaquin Middle River San Joaquin Delta Comment
  UC60920  Chenopodium ambrosioides N. K. Berg 1903-11-25 San Joaquin Rough and Ready Isl. Comment
  UC66827  Chenopodium ambrosioides N. K. Berg Dec. 1903 San Joaquin Rough and Ready Island Stockton Comment
  UCR63940  Chenopodium ambrosioides L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CDA3063  Chenopodium ambrosioides var. ambrosioides J. B. Gianelli 1958-11-18 San Joaquin W. Beckman property, Davis Road at WPRR. Southwest of Lodi. 0 Comment
  CDA3056  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-24 San Joaquin Near Manteca. 0 Comment
  UC7288  Chenopodium botrys J. A. Sanford 1890-1 34 San Joaquin Stockton Comment
  UCR63939  Chenopodium botrys L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  RSA478466  Chenopodium botrys R. Reynolds 1927-9-27 39 San Joaquin Stockton Comment
  UC14077  Chenopodium californicum Benj. Cobb San Joaquin Tracy Comment
  CAS-BOT-BC177127  Chenopodium strictum var. glaucophyllum G. K. Helmkamp; E. A. Helmkamp 2007-10-13 13091 San Joaquin Northern San Joaquin Valley: along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR194980  Chenopodium strictum var. glaucophyllum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13091 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  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
  UCR63948  Cichorium intybus L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC279844  Cichorium intybus Volney Rattan 1887-5-25 s.n. San Joaquin Near Stockton Comment
  RSA125357  Cichorium intybus R. Weatherby 1949-5-30 508 San Joaquin Escalon near Manteca 30 Comment
  POM147748  Cicuta douglasii E. E. Stanford 1927-8-10 676 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  CAS-BOT-BC105784  Cirsium crassicaule John Thomas Howell 1933-7-20 11447 San Joaquin 2 miles nw of Lathrop Bridge on San Joaquin River Comment
  CAS-BOT-BC280114  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  CAS-BOT-BC285846  Cirsium vulgare E. E. Stanford 1926-10-12 50 San Joaquin Near Stockton Comment
  RSA739700  Citrullus colocynthis John Dittes 2003-10-17 851 San Joaquin Northern San Joaquin Valley; ca. 12.7 air-miles south by southwest of Lathrop, ca. 2.5 air-miles west by northwest of Vernalis, ca. 0.6 air-mile east by northeast of intersection of I-5 and Vernalis Road (Hwy 132). 49 Comment
  UCD13374  Citrullus lanatus var. citroides Rod Vargo 1996-10-10 s.n. San Joaquin San Joaquin Co., Victoria Island between Stockton and Brentwood. Comment
  CAS-BOT-BC162551  Clarkia affinis John Thomas Howell 1952-4-22 28309 San Joaquin Corral Hollow Comment
  SEINET7042494  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  CAS-BOT-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
  UC765870 Image available Clarkia tembloriensis R. F. Hoover 1938-5-7 3358 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  JEPS83564 Image available Clarkia tembloriensis subsp. tembloriensis Dean W. Taylor 1986-4-22 8790 San Joaquin 0.8 air mi w Castle Rock; Tracy 7.5' quadrangle (1968), Corral Hollow canyon 243 Comment
  CAS-BOT-BC165431  Clarkia unguiculata Gladys L. Smith 1959-5-1 1041 San Joaquin Open field near Wallace Comment
  CAS-BOT-BC165729  Clarkia williamsonii Gladys L. Smith 1959-5-1 1047 San Joaquin Near Wallace Comment
  CAS-BOT-BC233846  Claytonia parviflora subsp. parviflora E. E. Stanford 1927-3-11 106 San Joaquin Stockton Comment
  POM147724  Claytonia perfoliata E. E. Stanford 1928-3-2 785 San Joaquin Stockton. Comment
  RSA21262  Claytonia perfoliata C. B. Wolf 1937-3-31 8376 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC440051  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-3-26 10888 San Joaquin Corral Hollow 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
  POM179709  Cnicus benedictus J. T. Howell 1930-6-29 5330 San Joaquin Nile Garden Comment
  UC672484  Collinsia bartsiifolia var. bartsiifolia Joseph Dixon 1928-3-31 96 San Joaquin Manteca Comment
  POM15264  Collinsia bartsiifolia var. bartsiifolia C. F. Baker 1903-4-25 2783 San Joaquin Tracy. Comment
  POM196031  Collinsia bartsiifolia var. bartsiifolia Frances Staples 1929-4-14 s.n. San Joaquin Near Clements. Comment
  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
  UC766316  Collinsia sparsiflora var. collina R. F. Hoover 1935-3-16 350 San Joaquin Farmington 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
  CAS-BOT-BC389761  Convolvulus arvensis R. D. Hennessey 1964-5-2 74 San Joaquin 1 mi. North of the Calaveras River and 7 miles northeast of the fork of the Calaveras River and the Stockton Channel Comment
  CAS-BOT-BC287953  Coreopsis calliopsidea Brandegee No date on label s.n. San Joaquin River Road along San Joaquin River just north of Stanislaus Co. line. Comment
  JEPS27276  Coreopsis calliopsidea Rimo Bacigalupi 1961-2-27 7546 San Joaquin in canyon to n Corral Hollow (just e of Alameda-San Joaquin County line just below and s of drop-tower installation of Atomic Energy Commission, on w-facing hillside); Midway USGS Quadrangle 243 Comment
  JEPS33602  Coreopsis calliopsidea R. F. Hoover 1938-3-19 2869 San Joaquin 1 mi n Cow Hollow (near Alameda Co. line) Comment
  UC761897  Coreopsis calliopsidea R. F. Hoover 1938-3-19 2869 San Joaquin 1 mi n of Corral Hollow (near Alameda Co. line) Comment
  CAS-BOT-BC287952  Coreopsis calliopsidea Brandegee No date on label s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC287165  Coreopsis stillmanii Volney Rattan 1877-3-11 s.n. San Joaquin Live Oaks 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
  UC1443483  Coreopsis tinctoria Strother 1977-7-19 1279 San Joaquin Route J9 ca. 2 mi n Escalon (1/3 mi e of route J6, in roadside ditch) Comment
  CDA7460  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles northeast of Escalon. 0 Comment
  CDA7464  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles east of Escalon, 0.3 mile west of Sutliff Road, north side of Lemon Avenue. 0 Comment
  RSA397439  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  CDA3695  Coronopus didymus T. C. Fuller 1962-4-2 8203 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  UC455495  Cotula coronopifolia N. K. Berg 1903-11-23 San Joaquin Stockton, Rough and Ready Island Comment
  CAS-BOT-BC427605  Crassula aquatica Brian Atwater 1978-8-24 BA- 103 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  JEPS49992  Crassula aquatica J. A. Sanford 1890-1 360 San Joaquin Stockton Comment
  UC831108  Crassula aquatica C. L. Hitchcock 1940-5-12 6362 San Joaquin 3 mi. s. Galt 15 Comment
  CAS-BOT-BC427687  Crassula connata Volney Rattan 1877-3-1 s.n. San Joaquin Live Oaks of Mokelumne River Comment
  CAS-BOT-BC427688  Crassula connata E. E. Stanford 1928-4-7 844 San Joaquin Stockton Comment
  UC11284  Crassula connata var. eremica J. A. Sanford 1890-1 102 San Joaquin French Camp Comment
  UCR232202  Crassula tillaea George K. Helmkamp, E. A. Helmkamp 2011-3-12 17075 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 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
  JEPS77909  Cressa truxillensis Edward Lee 1934-7-4 959 San Joaquin Holt Comment
  UC23224  Cressa truxillensis J. A. Sanford 1890-1 42 San Joaquin Stockton Comment
  CDA25743  Croton setiger G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13089 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR232678  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-10-15 18429 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253791  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20059 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  CAS-BOT-BC190196  Crypsis vaginiflora C. V. Piper 1921-5-26 s.n. San Joaquin About Stockton. Comment
  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
  UC1040675  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 mi n Farmington (bed of vernal pool) Comment
  UCR66619  Crypsis vaginiflora E. E. Stanford 1929-11-1 1183 San Joaquin San Joaquin Valley, Near Stockton Comment
  CAS-BOT-BC190195  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  UC763027  Cryptantha nevadensis R. F. Hoover 1938-4-9 3041 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  RSA128430  Cryptantha nevadensis var. rigida Robert F. Hoover 1938-4-9 3041 San Joaquin Hill between Castle Rock and Black Butte, Corral Hollow. Comment
  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
  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
  SEINET10531496  Cupressus macrocarpa E. E. Stanford 1927-9-23 Stanford 727 San Joaquin Near stockton. Introduced here from coastal region. Comment
  JEPS33286  Cuscuta californica Rimo Bacigalupi, and L. Constance 1962-8-13 8724 San Joaquin just s Lathrop (along Southern Pacific Railway) 5 Comment
  CAS-BOT-BC224411  Cuscuta californica John Thomas Howell 1930-10-11 5552 San Joaquin 5 miles south of Stockton Comment
  LA210096  Cuscuta californica John Thomas Howell; 1930-10-11 5552 San Joaquin 5 mi. S of Stockton Comment
  UCD54455  Cuscuta californica Ron Kukas 1973-6-14 s.n. San Joaquin Lathrop airport. Comment
  UC124452  Cuscuta campestris K. Brandegee San Joaquin Bouldin Island Comment
  SEINET810027  Cuscuta campestris Peter Rubtzoff 1965-1 5581 San Joaquin San Joaquin River at Airport Way crossing (Traey-Ripon area). Comment
  UCD54417  Cuscuta campestris Mick Canevari 1986-1 s.n. San Joaquin Roberts Island area. Comment
  UCD54463  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Frontage Rd. along State Hwy 99. Comment
  UCR243145  Cuscuta indecora Mick Canevari 1986-1 s.n. San Joaquin Tracy 40 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
  CDA15557  Cuscuta subinclusa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin San Joaquin Valley; Caswell Memorial State Park. W terminus of Fence Line Trail. Comment
  CDA5322  Cyclospermum leptophyllum J. B. Gianelli 1962-9-2 San Joaquin P. T. & T. Bldg., Lincoln Road, Stockton. 0 Comment
  POM1180  Cynodon dactylon N. K. Berg 1903-10-12 s.n. San Joaquin Stockton Rough & Ready Island Comment
  UCD60022  Cynodon dactylon G. F. Hrusa 1992-8-26 9564 San Joaquin Caswell Memorial State Park. Opening along the road at the east end of the oak woodland. Comment
  CDA40500  Cynoglossum grande T. C. Fuller 1971-4-22 19844 San Joaquin North slope of Mt. Bordman. 0 Comment
  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
  CAS-BOT-BC114450  Cyperus eragrostis LeRoy Abrams 1915-7-27 5320 San Joaquin San Joaquin Valley near Volta Comment
  UC60921  Cyperus eragrostis N. K. Berg 1903-12-15 San Joaquin Rough & Ready Isl. Comment
  UCR232684  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18442 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  CAS-BOT-BC114443  Cyperus eragrostis W. R. Dudley 1894-7-7 s.n. San Joaquin Unspecified Comment
  CAS-BOT-BC114446  Cyperus eragrostis Ira L. Wiggins 1934-6-23 6937 San Joaquin Drainage ditch 3.2 mi E of Escalon on road to Oakdale. Comment
  UCD141046  Cyperus erythrorhizos G. F. Hrusa; S. A. Wagner 1992-8-9 9325 San Joaquin Caswell Memorial State Park. Comment
  CDA38912  Cyperus erythrorhizos T. C. Fuller 1968-10-16 17710 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, southwest of Ripon. 0 Comment
  RSA523856  Cyperus erythrorhizos W. L. Jepson 1923-10-22 10295 San Joaquin Pike Ranch, north of Grayson, San Joaquin River Comment
  CAS-BOT-BC114287  Cyperus esculentus LeRoy Abrams 1917-9-14 6730 San Joaquin 3 mi NW of Stockton. In sand, Calaveras River. Comment
  CDA2595  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  CHSC96357  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. Comment
  UCD54529  Cyperus esculentus Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2710 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  RSA92353  Cyperus esculentus Beecher Crampton 1954-10-19 2290 San Joaquin 0.5 mile north of Thronton Comment
  SEINET7076493  Cyperus esculentus var. leptostachyus T. C. Fuller 1961-9-13 6993 San Joaquin Flora of the San Joaquin Valley. Thorton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, about 4 mile west of Thorton. Comment
  JEPS75004  Cyperus fuscus L. R. Heckard and P. Rubtzoff 1971-9-15 2811 San Joaquin ca. 4 air mi. s.w. Ripon; Caswell State Park, Stanislaus R. Comment
  CAS-BOT-BC114225  Cyperus fuscus LeRoy Abrams 1917-9-14 1734 San Joaquin 3 mi NW of Stockton in sand of Calaveras River. Comment
  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-BC114044  Cyperus squarrosus LeRoy Abrams 1917-9-14 6736 San Joaquin 3 mi. NW of Stockton in sand. Comment
  JEPS89166  Cypselea humifusa Rimo Bacigalupi and L. Constance 1962-8-13 8713 San Joaquin just n of site of San Joaquin City (San Joaquin River, just n of bridge of the Duirham Ferry Road); San Joaquin River 3 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
  UCD37494  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC435168  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin Ca. 3 miles N.E. of Vernalis, Durham Ferry Road crossing of the San Joaquin Rivers. Comment
  UCD96973  Cypselea humifusa Rimo Bacigalupi; L. Constance 1962-8-13 8713 San Joaquin San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of site of San Joaquin City. Comment
  CAS-BOT-BC445541  Damasonium californicum E. E. Stanford 1930-4-17 1327 San Joaquin Clements Road Comment
  UCR62330  Damasonium californicum L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  POM147769  Damasonium californicum E. E. Stanford 1927-5-7 212 San Joaquin Near Lockford. Comment
  UC26116  Datura ferox H. P. Fitch 1890-1 119 San Joaquin Stockton Comment
  JEPS12297  Datura wrightii W. L. Jepson 1918-7-7 7718 San Joaquin Manteca Comment
  JEPS12299  Datura wrightii W. L. Jepson 1919-6-21 8335 San Joaquin near Mossdale School (San Joaquin River); San Joaquin River Comment
  SEINET3821169 Image available Datura wrightii P. O. Schallert 1945-5-30 292 San Joaquin Delta land near Stockton. Comment
  UC26102  Datura wrightii J. A. Sanford 1890-1 47 San Joaquin Stockton Comment
  UCD126631  Datura wrightii G. F. Hrusa; S. A. Wagner 1992-7-8 9137 San Joaquin Caswell Memorial State Park. 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
  SJSU741  Daubentonia punicea A. W. Jacobs 1941-9-18 San Joaquin by residence, Stockton Comment
  CAS-BOT-BC299939  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299941  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  JEPS12702  Deinandra kelloggii W. L. Jepson 1896-7-17 San Joaquin near Stockton Comment
  JEPS38270  Deinandra kelloggii W. L. Jepson 1896-6-27 San Joaquin near Stockton Comment
  JEPS38354  Deinandra kelloggii W. L. Jepson Jul 1896 San Joaquin Comment
  CAS-BOT-BC299944  Deinandra kelloggii David D. Keck 1933-10-28 2586 San Joaquin 11.3 mi. N. of Stockton Comment
  RSA22187  Delphinium californicum subsp. interius Alice Eastwood, John T. Howell 1938-5-24 5796 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC33204  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33205  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33206  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  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
  SEINET13094839  Delphinium californicum var. interius Unknown 1938-5-24 5796 San Joaquin Hospital Canon. Comment
Read comments
Nov 7 2019
  CAS-BOT-BC8661  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mile east of Midway Comment
  LA207495  Delphinium hesperium subsp. pallescens Lewis; Epling 1946-5-6 608 San Joaquin Tesla- Corral Hollow Rd., 17.1 mi. W of junction W; U.S. 50 near Tracy Comment
  UC1713217  Delphinium hesperium subsp. pallescens Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  CAS-BOT-BC116253  Delphinium parryi subsp. parryi R. F. Hoover 1938-5-7 3355 San Joaquin 1 mile north of Corral Hollow near Alameda County 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
  CAS-BOT-BC116441  Delphinium patens subsp. patens A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow, Tracy 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
  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
  SEINET10524159  Deschampsia danthonioides E. E. Stanford 1930-4-14 Stanford 1317 San Joaquin Near Calaveras Co. line. Open range in wet places. Comment
  CAS-BOT-BC43132  Descurainia pinnata subsp. brachycarpa E. E. Stanford 1928-3-10 797 San Joaquin Manteca. Comment
  JEPS53405  Descurainia pinnata subsp. menziesii Robert F. Hoover 1935-5-1 241 San Joaquin 5 mi sw Ripon (in the bottom of the Stanislaus River); San Joaquin Valley, Stanislaus River Comment
  UCD139232  Dichelostemma capitatum G. L. Stebbins Jr.; Alva Day 1966-3-12 6310 San Joaquin Corral Hollow, near lower end. Comment
  SEINET10533941  Dichelostemma pulchellum Frank W. Gould 1940-3-16 Gould 881 San Joaquin Sandy ridge opposite Castle Rock, Corral Hollow, Mt. Hamilton Range; associated with Gilia tricolor, Lotus humistratus, Thysanocarpus elegans, and Athysanus pusillus; 650 feet. Comment
  UC486499  Digitalis purpurea Dr. P. van der Leek 1932-5-1 San Joaquin Stockton Comment
  CDA15308  Digitaria ischaemum J. Allan 1998-10-21 s.n. San Joaquin Central Valley; Purplish grass growing in residential lawn near Tracy. 0 Comment
  CAS-BOT-BC209016  Digitaria sanguinalis L. R. Abrams 1917-9-14 6738 San Joaquin 3 mi. northwest of Stockton, Calaveras River Comment
  POM146102  Digitaria sanguinalis E. E. Stanford 1926-10-22 75 San Joaquin Stockton; on campus Comment
  RSA128802  Digitaria sanguinalis P. H. Raven 1951-6-27 3101 San Joaquin Tracy to Monteca Comment
  SEINET13384121 Image available Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-1 20079 San Joaquin San Joaquin Valley: Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UCD64121  Digitaria sanguinalis F. R. Whitehead 1931-9-1 1 San Joaquin Stockton. Comment
  UCR232646  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2011-10-15 18436 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC151962  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151963  Diplacus douglasii Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks & Mokelumne River Comment
  CAS-BOT-BC151965  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151367  Diplacus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt 15 Comment
  CAS-BOT-BC151363  Diplacus tricolor E. E. Stanford 1930-4-12 1277 San Joaquin Mariposa Rd 16 mi. S.E. of Stockton Comment
  CAS-BOT-BC151365  Diplacus tricolor W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC151368  Diplacus tricolor D. K. Gillespie; J. W. Gillespie 1930-4-24 9228 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC208634  Distichlis spicata E. E. Stanford 1930-5-10 1474 San Joaquin West Ripon Rd. Comment
  CDA31692  Distichlis spicata T. C. Fuller 1958-9-19 1251 -58 San Joaquin Stockton 0 Comment
  UC73788  Distichlis spicata Mr. Sanford San Joaquin Stockton Comment
  UCD64484  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  CAS-BOT-BC229023  Dittrichia graveolens George K. Helmkamp; E. A. Helmkamp 2011-10-15 18427 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CHSC97894  Dittrichia graveolens G. F. Hrusa; P. Akers 2003-10-10 16137 San Joaquin Roadside, Kasson Rd., =/- 1/4 mil E of intersection with Durham Ferry Rd. 22 Comment
  RSA789501  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin Along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SEINET7076108  Dodecatheon clevelandii subsp. patulum A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC22403  Dodecatheon clevelandii subsp. patulum J. A. Sanford 1890-1 61 San Joaquin W Stockton Comment
  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
  SEINET7072951  Downingia bella A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at the junction with Route 26. UTM Zone 10, 675884mE, 4214998mN. Coordinate datum: NAD27.). Comment
  JEPS108479  Downingia bicornuta Lisa Schultheis 1996-5-10 299 -96 San Joaquin W of Warnerville, where Warnerville Rd. crosses the train tracks, 2.5 mi E of Emery Road. Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  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
  JEPS108477  Downingia bicornuta var. picta Lisa Schultheis 1995-5-24 178 -95 San Joaquin SE of Lockeford. NE corner of Jordy and Kettleman Rds. Comment
  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
  POM146100  Downingia bicornuta var. picta E. E. Stanford 1927-4-23 188 San Joaquin Near Stockton. Comment
  POM193964  Downingia bicornuta var. picta J. T. Howell 1930-4-13 4711 San Joaquin 3 miles from Clements. Comment
  RSA100241  Downingia bicornuta var. picta E. E. Stanford 1930-4-1 s.n. San Joaquin Northern part of the county. Comment
  UC1189255  Downingia cuspidata S. Galen Smith 1957-5-24 2938 San Joaquin Farmington to Bellota road (by entrance to J. Bentoni ranch) Comment
  UC635662  Downingia cuspidata H. L. Mason 1928-5-3 4446 San Joaquin 4 mi n Clements Comment
  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
  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
  UC28976  Downingia insignis J. A. Sanford 1890-1 161 San Joaquin Stockton Comment
  UC765621  Downingia insignis R. F. Hoover 1937-5-6 2078 San Joaquin 5 mi se Stockton Comment
  CDA42328  Downingia insignis T. C. Fuller 1962-5-1 8299 San Joaquin Highway 12 to Wallace, 5.6 miles east of Clements. 0 Comment
  RSA152463  Downingia insignis Rimo Bacigalupi, Alex D. Hawkes 1951-4-21 3256 San Joaquin Just E of Stockton's city limits, next to back yard of a dwelling, along State Hwy 4. Comment
  UCSB9180  Downingia insignis Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Just east of Stockton's city limits, next to the back yard of a dwelling, along State Highway No. 4 Comment
  RSA28006  Downingia ornatissima C. L. Hitchcock 1940-4-29 6304 San Joaquin 3 miles south of Galt. 16 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
  JEPS14405  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC765628  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  JEPS13208  Downingia ornatissima var. ornatissima Rimo Bacigalupi with G. T. Robbins 1955-5-5 4988 San Joaquin 1.5 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  JEPS18338  Downingia ornatissima var. ornatissima C. M. Belshaw 1936-4-23 1965 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 60 Comment
  JEPS5030  Downingia ornatissima var. ornatissima Rimo Bacigalupi and Alex Hawkes 1951-4-21 3257 San Joaquin 2 mi e Stockton (along State Highway 4) Comment
  UC765629  Downingia ornatissima var. ornatissima R. F. Hoover 1936-4-30 1054 San Joaquin Farmington 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
  UCD98652  Dysphania ambrosioides P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons ranch. Terminous. Comment
  CAS-BOT-BC291092  Eastwoodia elegans Alice Eastwood; John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC291093  Eastwoodia elegans Alice Eastwood; John Thomas Howell 1938-5-24 5791 San Joaquin Hosiptal [Hospital] Canyon 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
  POM118207  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
  RSA21844  Eastwoodia elegans Alice Eastwood 1938-5-24 5791 San Joaquin Hospital Canyon. Comment
  UC618578  Eastwoodia elegans Alice Eastwood and John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon Comment
  JEPS110499  Echinochloa colona Robert E. Preston 2004-11-16 2305 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 Comment
  UCR201932  Echinochloa colona George K. Helmkamp, E. A. Helmkamp 2008-10-9 14228 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCD32936  Echinochloa crus-galli Beecher Crampton 1965-7-12 7457 b San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UCD60859  Echinochloa crus-galli W. W. Mackie 1919-10-24 X- 3324 San Joaquin Stockton. Comment
  UCD60861  Echinochloa crus-galli P. B. Kennedy 1928-9-30 San Joaquin Delta region, near Holt. Comment
  UCD60899  Echinochloa crus-galli G. F. Hrusa; S. A. Wagner 1992-8-9 9348 San Joaquin Caswell Memorial State Park. Frequent on open, moist riverbanks, usually in disturbed sites. Annual to 4 ft. Comment
  UCD60910  Echinochloa crus-galli Ernest C. Twisselmann 1971-8-6 18064 San Joaquin Belridge Plains: Lost Hills Road, 3 miles north of Lerdo Road. 121 Comment
Read comments
Jun 23 2015
  UCR123380  Echinochloa crus-galli Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  UCD60949  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, delta region. Comment
  UCD60950  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, Delta region. Comment
  UCR253542  Echinochloa muricata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20085 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UCD61100  Echinochloa muricata var. microstachya E. M. Johnston 1915-1 64 -J San Joaquin San Joaquin River. Comment
  CAS-BOT-BC197233  Echinochloa muricata var. muricata L. R. Abrams 1917-9-14 6739 San Joaquin 3 mi. northwest of Stockton - Calaveras River Comment
  UC142470  Echinodorus berteroi Katharine Brandegee Sept. 1907 San Joaquin San Joaquin R. near Lathrop; San Joaquin R. Comment
  CAS-BOT-BC291134  Eclipta prostrata J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  POM147777  Eclipta prostrata E. E. Stanford 1927-9-26 722 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  CDA18617  Egeria densa E. Finley 1999-10-3 PDR 1013546 D San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  UC1100127  Egeria densa Herbert L. Mason and Verne Grant 1946-8-21 13061 San Joaquin w of Stockton (on Borden Highway) Comment
  CAS-BOT-BC451501  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, southwest of Holt Comment
  CDA37700  Egeria densa Breckenridge 2006-5-19 s.n. San Joaquin Stockton; Paradise Point. 0 Comment
  POM257232  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert s Island, southwest of Holt. Comment
  SEINET10501601  Egeria densa Herbert L. Mason 1938-8-26 Mason 12075 San Joaquin Trapper Slough, Robert's Island, SW of Holt. Comment
  UCD138112  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along east side of Old River Channel near junction with False River. Comment
  CDA2660  Eichhornia crassipes W. S. Ball Oct 1946 San Joaquin Stockton Delta. 0 Comment
  UCSB27348  Eichhornia crassipes Havlik, Neil 1969-7-27 San Joaquin Trapper Slough, about nine miles west of Stockton 6 Comment
  CDA5096  Elaeagnus angustifolia H. S. Bugbee 1959-6-11 2583 San Joaquin Stockton. 0 Comment
  UCD110444  Elatine brachysperma Herbert L. Mason 1930-4-1 5550 a San Joaquin Ten miles east of Stockton. Comment
  JEPS19435  Eleocharis acicularis K. Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  UC173119  Eleocharis acicularis Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  CDA38945  Eleocharis macrostachya T. C. Fuller 1962-5-1 8343 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  UCD49804  Eleocharis macrostachya G. F. Hrusa; S. A. Wagner 1992-4-22 9272 San Joaquin Caswell Memorial State Park. Occasional on very wet river margin at base of easternmost beach below campgrounds. Comment
  CDA39000  Eleocharis obtusa var. engelmannii J. F. Silva 1964-6-16 s.n. San Joaquin Escalon district. 0 Comment
  CAS-BOT-BC197329  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 m. s. of Lodi Comment
  CDA2034  Eleusine tristachya T. C. Fuller 1971-1-29 19813 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
  UCD61223  Eleusine tristachya N. E. Hartman 1975-10-27 San Joaquin Lockeford. Comment
  UCD61226  Eleusine tristachya Robert E. Preston 2004-9-3 2294 San Joaquin Ca. 9.5 mi NE of Lodi, along Liberty Rd, 0.25 mi W of Jack Tone Rd. 28 Comment
  UCD61231  Eleusine tristachya R. S. Baskett 1970-10-1 San Joaquin On south side of Kingdon Road, 1/2 mile E of Thornton Road, ca. 5 miles SW of Lodi. Comment
  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
  RSA262520  Eleusine tristachya R. Baskett 1970-10-1 s.n. San Joaquin south side of Kingdon Road, 1/2 mile east of Thornton Road, 5 miles southwest of Lodi Comment
  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
  UC1618078  Elodea canadensis Donald G. Nelson 1939-6-9 607 San Joaquin se of Stockton (on the Mount Diablo Base Line, junction of Austin Road and Little John Creek); Mount Diablo Base Line 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
  JEPS1585  Emmenanthe penduliflora A. R. Arnold 1922-4-30 San Joaquin Corral Hollow, Inner South Coast Ranges Comment
  CDA25628  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14229 San Joaquin San Joaquin Valley; Junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, northeast of Lodi. Comment
  SD241111  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  UC173123  Epilobium brachycarpum Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC422959  Epilobium brachycarpum Harriet A. Walker 1907-9-8 921 San Joaquin Lathrop Comment
  UCR142863  Epilobium brachycarpum David D. Keck 1931-10-18 1321 San Joaquin Sacramento Valley, Escalon 38 Comment
  UCR232686  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  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
  POM196277  Epilobium brachycarpum E. E. Stanford 1927-9-26 711 San Joaquin Stockton; levee, Calaveras River Comment
  POM216528  Epilobium brachycarpum D. D. Keck 1931-10-18 1321 San Joaquin Escalon. 38 Comment
  UC249620  Epilobium campestre Joseph P. Tracy 1921-5-25 5788 San Joaquin Bed of pool San Joaquin Valley, Farmington 30 Comment
  UCD105786  Epilobium ciliatum subsp. ciliatum G. F. Hrusa; S. A. Wagner 1992-7-8 9148 San Joaquin Caswell Memorial State Park. Comment
  CDA19056  Epilobium ciliatum subsp. ciliatum C. Benefield 2000-5-16 s.n. San Joaquin Sacramento Delta; White Slough, E of I-5, S of Hwy 12, bordering King Island. 0 Comment
  UCD105787  Epilobium ciliatum subsp. ciliatum G. F. Hrusa 1992-8-26 9563 San Joaquin Caswell Memorial State Park. OxBow Lake. Comment
  SEINET200778  Epilobium cleistogamum Joseph P. Tracy 1921-5-25 5787 San Joaquin Farmington San Joaquin County. 30 Comment
  UC19943  Epilobium densiflorum J. A. Sanford 1890-1 182 San Joaquin W. Stockton Comment
  UC764919  Epilobium torreyi R. F. Hoover 1935-6-12 651 San Joaquin Farmington Comment
  CAS-BOT-BC56957  Equisetum arvense Brian Atwater 1978-8-18 BA- 50 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  CAS-BOT-BC56958  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, in Calaveras River bottom Comment
  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-BC213569  Eragrostis hypnoides L. R. Abrams 1917-9-14 6731 San Joaquin 3 mi. northwest of Stockton in sand, Calaveras River 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
  UC38312  Eragrostis hypnoides Michener and Bioletti 1891-8-30 144 San Joaquin Lathrop Comment
  UCD63382  Eragrostis hypnoides G. F. Hrusa; S. A. Wagner 1992-8-9 9361 San Joaquin San Joaquin Co. Oxbow Lake. Comment
  SEINET11695748  Eragrostis hypnoides Unknown 1960-8-9 5765 San Joaquin 3 mi NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Rd with San Juaquin R Comment
  POM352245  Eragrostis mexicana subsp. virescens Flossie Draper 1927-9-27 26 San Joaquin near campus Comment
  UCD63818  Eragrostis mexicana subsp. virescens Beecher Crampton 1956-7-30 3739 San Joaquin eastern city limits of Lockeford. Comment
  UCD64107  Eragrostis mexicana subsp. virescens J. A. Sanford 1921-10-1 San Joaquin Stockton. Comment
  UCD38678  Eragrostis pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  UCD55325  Eragrostis pectinacea var. miserrima Ellen Dean; Dawn Cunningham 2006-6-26 3167 San Joaquin City of Manteca. South side of Hwy 120, on west side of McKinley Ave. CalTrans right of way. Comment
  CAS-BOT-BC284074  Eragrostis pectinacea var. pectinacea E. E. Stanford 1926-10-7 33 San Joaquin Stockton, Calaveras River bottom Comment
  UCD64453  Eragrostis pectinacea var. pectinacea J. W. Adriance 1921-10-6 San Joaquin Stockton. Comment
  UCD65675  Eragrostis pilosa G. F. Hrusa; S. A. Wagner 1992-8-9 9366 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC278521  Eragrostis secundiflora E. E. Stanford 1927-3-29 131 San Joaquin Stockton Comment
  SEINET10558920  Eragrostis tephrosanthos Charles L. Hitchcock 1935-9-14 Hitchcock 2830 San Joaquin 3 miles S of Galt. Comment
  CAS-BOT-BC203327  Eremalche parryi Alice Eastwood; John Thomas Howell 1935-4-7 2099 San Joaquin East end of Corral Hollow Comment
  UC763014  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  CAS-BOT-BC203328  Eremalche parryi Robert F. Hoover 1938-5-7 3354 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  RSA0010428  Eremalche parryi subsp. kernensis Anonymous 1937-3-27 s.n. San Joaquin Near Shafter, San Joaquin Valley. Comment
Read comments
Jul 13 2018
  RSA18396  Eremocarpus setiger C. B. Wolf 1927-6-23 510 San Joaquin 3 miles W of Manteca. Comment
  CAS-BOT-BC287515  Ericameria linearifolia Peter H. Raven; et al. 1957-3-30 10564 San Joaquin Corral Hollow Comment
  CDA4607  Ericameria linearifolia T. C. Fuller 1962-4-24 8219 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCR235295  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2011-11-21 18475 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  JEPS2573 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  UCD73468  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD73469  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD168229  Eriochloa acuminata Mark Jirak 1987-9-10 s.n. San Joaquin east of Collegeville, southwest corner of Sola Road and Mariposa Road [Exact location unknown. Coordinates added by label maker]. Comment
  UCD65697  Eriochloa acuminata Robert E. Preston 2004-8-27 2289 San Joaquin 7.4 mi E of Galt, along Elliot Rd. 27 Comment
  UCD65736  Eriochloa contracta Robert Norris 1970-7-1 San Joaquin San Joaquin County. Comment
  SEINET5328312  Eriogonum angulosum K. Brandegee 1907-10-2 s.n. 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
  UC2043149  Eriogonum fasciculatum var. polifolium Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12451 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Pit 6 Study Area near Drop Tower, head of gulch opposite Carnegie State Vehicular Recreation Area. Comment
  UC766282  Eriogonum fasciculatum var. polifolium R. F. Hoover 1946-4-13 6075 San Joaquin near lower end (on Black Butte); Corral Hollow, Black Butte Comment
  SEINET12765138  Eriogonum fasciculatum var. polifolium Barbara Ertter 1994-4-23 12451 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca 10 air miles SW of Tracy, grassland-covered slopes on Neroli conglomerate; Pit 6 Study Area near Drop Tower, scrub on W side of gulch opposite Carnegie State Vehicular Recreation Area.; 0 Comment
  UC412858  Eriogonum gracile Harriet A. Walker 1907-9-8 885 San Joaquin Lathrop Comment
  CAS-BOT-BC33646  Eriogonum gracillimum Marcus Eugene Jones 1903-5-18 s.n. San Joaquin Victor 792 Comment
  CAS-BOT-BC259461  Eriogonum luteolum Volney Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  JEPS22946  Eriogonum luteolum Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks, Rattan's Ranch 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
  UC596264  Eriogonum roseum R. F. Hoover 1934-10-21 49 San Joaquin Stanislaus River bottom near Escalon; Stanislaus River Comment
  UC6480  Eriogonum wrightii var. trachygonum Wm. H. Brewer 1861-10-18 846 San Joaquin Corral Hollow, Camp 61 Corral Hollow Comment
  UC17054  Erodium botrys Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UC17059  Erodium botrys J. A. Sanford 1890-1 358 San Joaquin Waverly Comment
  UCR207834  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2009-3-26 14458 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR232264  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2011-3-12 17065 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
  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
  UC17082  Erodium cicutarium H. P. Fitch 1883-1 131 San Joaquin Stockton Comment
  CDA55  Erodium macrophyllum A. R. Tugel 1938-1 s.n. San Joaquin Tracy. 0 Comment
  CDA57  Erodium macrophyllum A. R. Tugel 1938-4-1 s.n. San Joaquin Tracy, in vineyard (?-M.K. Bellue). 0 Comment
  CDA1  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Tracy. 0 Comment
  POM146118  Erodium moschatum E. E. Stanford 1926-10-26 83 San Joaquin Stockton. Comment
  UC17109  Erodium moschatum J. A. Sanford 1890-1 365 San Joaquin Waverly Comment
  UCR194723  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13088 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD103258  Erodium moschatum G. F. Hrusa; S. A. Wagner 1992-3-4 9086 San Joaquin Caswell Memorial State Park. Within the campgrounds and picnic areas. Comment
  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
  UCD21170  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-4 345 San Joaquin 1 mi. south along Hwy 88 from intersection of Liberty Rd, 1 mi. east of Hwy 88 along dirt ranch road, Lane Ranch site. UTMs 10S0669617; 4232365. Comment
  UC69903  Eryngium racemosum J. A. Sanford San Joaquin near Holden Comment
  UC762974  Eryngium racemosum R. F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon Comment
  SEINET9112149  Eryngium vaseyi Unknown C- 1112 San Joaquin San Joaquin City marker Comment
  UC673521  Erysimum capitatum Herbert L. Mason 1932-3-19 6826 San Joaquin two mi e Midway Comment
  UC762923  Erysimum capitatum R. F. Hoover 1938-4-10 3062 San Joaquin 1 mi e Midway Comment
  JEPS53554  Erysimum capitatum var. capitatum H. L. Mason 1932-3-20 San Joaquin plain 2 mi e Midway (e Alameda Co) Comment
Read comments
Oct 9 2006
  SEINET8393738  Erythranthe nasuta E. E. Stanford 1927-4-27 194 San Joaquin Stockton; Calaveras river. Comment
  RSA0004635  Eschscholzia arvensis C. F. Baker 1903-4-25 2906 San Joaquin Tracy. 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-BC403523  Eschscholzia californica Brandegee 1889-5-1 O San Joaquin Tracy Comment
  CAS-BOT-BC403525  Eschscholzia californica E. E. Stanford 1928-3-10 799 San Joaquin Manteca Comment
  CAS-BOT-BC403526  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  CAS-BOT-BC403527  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
  UC765987  Eschscholzia californica R. F. Hoover 1937-4-3 1738 San Joaquin Corral Hollow; lower end Comment
  UCR242789  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15829 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC403528  Eschscholzia californica A. A. Heller 1906-4-14 8177 San Joaquin Tracy Comment
  RSA97992  Eschscholzia lemmonii J. M. Tucker 1952-4-19 2351 San Joaquin Foothills on Southern border of Carrizo Plain, NE of Caliente Mtn Comment
  RSA135434  Eschscholzia lobbii Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  UC10057  Eschscholzia lobbii A. W. Gunnison 1896-4-18 San Joaquin Linden Comment
  UC10059  Eschscholzia lobbii F. W. Gunnison May, 1896 San Joaquin Linden Comment
  CAS-BOT-BC419475  Eschscholzia lobbii E. E. Stanford 1929-4-7 1032 San Joaquin Near Peters, Hewitt Road Comment
  CAS-BOT-BC419477  Eschscholzia lobbii Volney Rattan 1885-3-18 s.n. San Joaquin Live Oaks Comment
  RSA0010835  Eucalyptus E. E. Stanford 1930-5-31 1540 San Joaquin Near Montica. Comment
  CDA4827  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin San Joaquin Valley; between rails of the W.P. R.R. tracks; Terminous. 0 Comment
  RSA170314  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Between he rails of the W.P.R.R. tracks, Terminus. Comment
Read comments
Jan 4 2011
  UCD77527  Euphorbia maculata Robert E. Preston 2004-7-30 2277 San Joaquin Ca. 13.4 mi NE of Lodi. 29 Comment
  UCD142607  Euphorbia maculata Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 Comment
  JEPS22122  Euphorbia oblongata T. C. Fuller 1958-9-19 1252 San Joaquin 0.25 mi w Stockton (n side of Hwy 4, 0.5 mi w Woodsbro Rd) Comment
  CAS-BOT-BC202412  Euphorbia ocellata Barrett Anderson 1987-7-6 3553 San Joaquin Farmington Canal site south of Road 30 Comment
  CDA15455  Euphorbia peplus Groner 1999-3-6 PDR 1221752 San Joaquin San Joaquin Valley; in Lodi. 0 Comment
  SEINET11261866  Euphorbia serpillifolia George Helmkamp, E. A. Helmkamp 2011-11-21 18476 San Joaquin Northeastern San Joaquin Valley: along Johnson Road, .8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir (Clements 7.5' Q.); 0 53 Comment
  UCD142811  Euphorbia serpillifolia G. F. Hrusa 1992-8-26 9572 San Joaquin Caswell Memorial State Park. Comment
  UCR235276  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2011-11-21 18476 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  UCD142815  Euphorbia serpillifolia Daryl Koutnik 1988-9-10 s.n. San Joaquin Plants originally collected at 5401 Jahant Road, 1 mile east of Hwy 99 in Acampo, north of Lodi. Comment
  CDA35307  Euphorbia spathulata T. C. Fuller 1962-4-24 8234 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CAS-BOT-BC312280  Euthamia occidentalis Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi Comment
  CAS-BOT-BC312283  Euthamia occidentalis Brian Atwater 1978-8-22 BA- 76 San Joaquin Middle River between Victoria Is. and Upper Jones Tract Comment
  CDA39034  Euthamia occidentalis D. G. Kelch 2011-10-4 11 .837 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UC485617  Euthamia occidentalis Harriet A. Walker 1907-9-8 900 San Joaquin near S.P.R.R. Lathrop Comment
  UC88076  Euthamia occidentalis T. S. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  CAS-BOT-BC312282  Euthamia occidentalis E. E. Stanford 1926-10-5 28 San Joaquin Calaveras River bottom, Stockton Comment
  SEINET8687859 Image available Euthamia occidentalis N. K. Berg 1903-12-12 s.n. San Joaquin Stockton, Rough and Ready Island Comment
  UCD132343  Euthamia occidentalis G. F. Hrusa 1992-8-26 9518 San Joaquin Caswell Memorial State Park, just inside entrance gate. Comment
  CDA12447  Festuca arundinacea G. F. Hrusa, S. A. Wagner 1992-4-2 9267 San Joaquin Caswell Memorial State Park. Comment
  CDA2177  Festuca arundinacea J. B. Gianelli 1959-5-2 San Joaquin Hwy 12, east of Terminous. 0 Comment
  UCR242952  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2010-4-7 15828 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
  LA13160  Festuca microstachys Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin E end of Corral Hollow 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
  UCR253637  Festuca myuros var. hirsuta George K. Helmkamp 2014-3-18 22570 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CAS-BOT-BC112376  Fimbristylis vahlii J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta. Comment
  CHSC83249  Fimbristylis vahlii Beecher Crampton 1960-8-9 5769 San Joaquin 3 miles northeast of Vernalis (in direct line), Durham Ferry Road crossing of the San Joaquin River. River margin. Comment
  SBBG115412  Fimbristylis vahlii B. Crampton 1960-8-9 5769 San Joaquin ca. 3 mi NE of Vernalis (in direct line), Durham Ferry Rd crossing of the San Joaquin River Comment
  RSA604700  Forestiera pubescens Louis C. Wheeler 1952-9-29 6991 San Joaquin Corral Hollow Creek, near Ladd Mine. Comment
  RSA97812  Forestiera pubescens R. C. Bacigalupi 1949-5-17 3098 San Joaquin Hospital Canyon, lower slopes. 183 Comment
  CAS-BOT-BC384218  Forestiera pubescens subsp. parvifolia Carl B. Wolf 1937-3-31 8404 San Joaquin W. side of San Joaquin Valley, Hospital Canyon 137 Comment
  CAS-BOT-BC53584  Frangula californica subsp. tomentella Volney Rattan s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53585  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211627  Frankenia salina E. E. Stanford 1926-10-12 54 San Joaquin Near Smith's Canal, Stockton Comment
  CAS-BOT-BC211628  Frankenia salina E. E. Stanford 1930-5-28 1530 San Joaquin Near French Camp, near San Joaquin River Comment
  CAS-BOT-BC223540  Fraxinus latifolia Carl B. Wolf 1940-11-6 9780 San Joaquin San Joaquin Valley. 1 mi. No. of Lodi on Mokelumne River 15 Comment
  CAS-BOT-BC223542  Fraxinus latifolia Carl B. Wolf 1940-11-6 9780 San Joaquin San Joaquin Valley, 1 mi. No. of Lodi on Mokelumne River 15 Comment
  CAS-BOT-BC223543  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley. 1 mi. West of Farmington 30 Comment
  CAS-BOT-BC223545  Fraxinus latifolia E. E. Stanford 1928-3-20 833 San Joaquin Near Peters 45 Comment
  CAS-BOT-BC223547  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley. 1 mi West of Farmington 30 Comment
  POM195984  Fraxinus latifolia E. E. Stanford 1928-3-20 833 San Joaquin Near Peters 30 Comment
  UC1618020  Fraxinus latifolia Donald G. Nelson 1939-6-9 606 San Joaquin se of Stockton (on the Mount Diablo Base Line, junction of Austen Road and Little John Creek); Mount Diablo Base Line Comment
  UCD122058  Fraxinus latifolia G. F. Hrusa; S. A. Wagner 1992-7-9 9179 San Joaquin Along bank of Stanislaus River. Caswell Memorial State Park. Comment
  UCR63950  Fraxinus latifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CDA5842  Galinsoga parviflora J. B. Gianelli 1983-7-27 San Joaquin East of house at 16229 East Copporolis Road. 0 Comment
  UCD96912  Galium aparine Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6950 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UCR238401  Galium aparine George K. Helmkamp, E. A. Helmkamp 2012-4-7 18730 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCD121931  Galium trifidum G. F. Hrusa; S. A. Wagner 1992-7-8 9169 San Joaquin Caswell Memorial State Park. Comment
  UC569816  Gastridium ventricosum R. D. Roseberry 1935-5-13 169 San Joaquin 2 1/2 mi ssw Wallace; Jackson Quad. 121 Comment
  UCR232197  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17074 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  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
  RSA83093  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1948-5-19 8510 San Joaquin 2.5 miles east of Manteca on highway 120 Comment
  UC1562828  Gilia capitata subsp. staminea Barbara Ertter with Dale McNeal 1986-3-14 5786 San Joaquin along Tesla Rd. (Rt. J12) 3.5 mi w of jct I-580 (se of Livermore, Corral Hollow in Diablo Range); Diablo Range, Corral Hollow, se of Livermore 152 Comment
  UC23350  Gilia capitata subsp. staminea J. A. Sanford 1890-1 98 San Joaquin French Camp Comment
  RSA48941  Gilia capitata subsp. staminea Gilbert Greenwald 1949-5-7 5 San Joaquin San Joaquin Experimental Range 122 Comment
  UC962107  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end of Corral Hollow Comment
  HSC12249  Gilia tricolor Gary J. Stebbins 1970-3-28 54 San Joaquin Along S.R. 88, 1.5 mi. SW of the Amador Co. line 38 Comment
  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
  UC1785059  Gilia tricolor subsp. diffusa J. Ewan 1934-3-1 8613 San Joaquin open fields along floor of Corral Hollow, S of Carnegie Comment
  JEPS85999  Gilia tricolor subsp. tricolor W. L. Jepson 1922-4-2 9558 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow 152 Comment
  RSA789510  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15835 San Joaquin along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg.) of Clements 79 Comment
  SEINET11261868  Gilia tricolor subsp. tricolor George Helmkamp, E. A. Helmkamp 2010-4-7 15835 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (331/4) of Clements (Goose Creek 7.5' Q); 0 79 Comment
  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
  UC963968  Gilia tricolor subsp. tricolor R. F. Hoover 1938-2-27 2797 San Joaquin Corral Hollow Castle Rock, Corral Hollow Comment
  SEINET10464481  Githopsis pulchella subsp. pulchella Gibbs GIBBS s.n. San Joaquin Stockton. Comment
  UC115340  Glinus lotoides T. S. Brandegee 1892-9-9 San Joaquin San Joaquin Bridge Comment
  CAS-BOT-BC435010  Glinus lotoides J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta Comment
  CDA3382  Glinus lotoides J. F. Silva 1964-10-27 San Joaquin Escalon district. 0 Comment
  CDA2165  Glyceria declinata J. B. Gianelli 1994-9-16 San Joaquin Flood Road, Linden. 0 Comment
  POM146207  Glycyrrhiza lepidota E. E. Stanford 1927-5-21 446 San Joaquin Near Stockton. In sand, Calaveras River Bottom Comment
  UCR128289  Gnaphalium luteoalbum 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
  UC485681  Gnaphalium palustre Harriet A. Walker 1907-9-8 905 San Joaquin Lathrop Comment
  CAS-BOT-BC303341  Gnaphalium palustre Roxana S. Ferris 1953-5-15 12647 San Joaquin On road between Everett School and intersection with Bellota-Farmington Rd, ca 1 mile W of intersection Comment
  POM196274  Gnaphalium palustre Clarence R. Quick 1929-6-4 s.n. San Joaquin Calaveras River Bottom. North of Campus. [University of the Pacific] Comment
  JEPS16905  Gratiola ebracteata Rimo Bacigalupi with G. Thomas Robbins 1955-5-5 5000 San Joaquin on road to Farmington 1 1/2 mi s Peters 33 Comment
  JEPS4215  Gratiola ebracteata R. F. Hoover 1937-6-10 2401 San Joaquin 2 mi ne Clements Comment
  UC672545  Gratiola ebracteata H. L. Mason 1928-5-3 4453 San Joaquin four mi n Clement 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
  POM147780  Grindelia camporum E. E. Stanford 1927-9-26 719 San Joaquin Stockton. Comment
  POM359069  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  RSA80711  Grindelia camporum J. T. Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile W of Holt. Comment
  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
  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-BC304972  Grindelia hirsutula Volney Rattan 1880-1-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC304973  Grindelia hirsutula David D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, east of Tracy Comment
  CAS-BOT-BC304975  Grindelia hirsutula John Thomas Howell 1932-10-16 10849 San Joaquin Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC304977  Grindelia hirsutula John Thomas Howell 1930-10-11 5550 San Joaquin 1 mile west of San Joaquin River bridge near Lathrop Comment
  CAS-BOT-BC304978  Grindelia hirsutula John Thomas Howell 1930-9-28 5511 San Joaquin Borden Highway, 1 mile west of Holt Comment
  CAS-BOT-BC304980  Grindelia hirsutula J. T. Howell No date on label s.n. San Joaquin Holt Comment
  CAS-BOT-BC304986  Grindelia hirsutula Ira L. Wiggins 1934-7-28 6944 San Joaquin 3.2 miles east of Escalon Comment
  CAS-BOT-BC304987  Grindelia hirsutula Ira L. Wiggins 1934-10-25 6979 San Joaquin Along slough 1 mi. W. of San Joaquin Riv. Comment
  JEPS41919  Grindelia hirsutula W. L. Jepson 1896-7-17 San Joaquin on road from Atlanta; Stockton Comment
  UC32114  Grindelia hirsutula Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32116  Grindelia hirsutula F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32174  Grindelia hirsutula J. Burtt Davy 1893-11-13 1198 San Joaquin Stockton Comment
  UC32175  Grindelia hirsutula J. Burtt Davy 1893-11-13 1197 San Joaquin Stockton Comment
  UC580079  Grindelia hirsutula Ira L. Wiggins 1934-10-25 6979 San Joaquin along slough 1 mi w San Joaquin River Comment
  UC60923  Grindelia hirsutula N. K. Berg 1903-12-10 San Joaquin Rough and Ready Isl. Comment
  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
  UC764858  Guillenia flavescens R. F. Hoover 1938-3-19 2863 San Joaquin near Alameda County line; Corral Hollow Comment
  UC765135  Guillenia flavescens R. F. Hoover 1938-4-9 3022 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  UC137299  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  UC571775  Guillenia lasiophylla C. W. and H. K. Sharsmith 1935-3-3 1483 San Joaquin e end Corral Hollow; Mount Hamilton Range 228 Comment
  CAS-BOT-BC314539  Gutierrezia californica John Thomas Howell 1932-10-16 10845 San Joaquin 9 1/2 miles fromTracy on Tesla Road Comment
  CAS-BOT-BC314541  Gutierrezia californica F. R. Lawson 1930-4-8 70 San Joaquin 4.8 mi. east of Coral Hollow near Tracy Comment
  SJSU1706  Gutierrezia californica C. W. Sharsmith 1955-9-11 6295 San Joaquin Corral Hollow Comment
  UC32239  Helenium puberulum J. A. Sanford San Joaquin w Stockton; San Joaquin Valley, Meyer's Tract Comment
  CDA25242  Helianthus annuus G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  JEPS35478  Helianthus annuus W. L. Jepson 1928-7-20 12940 San Joaquin Tracy Comment
  UC32262  Helianthus annuus H. P. Fitch 1888-8-10 145 San Joaquin Stockton Comment
  UCD132799  Helianthus annuus Harriet A. Walker 1907-9-8 914 San Joaquin San Joaquin County. Comment
  UCD147103  Helianthus annuus Chuck Hughes 2013-7-16 387 San Joaquin Open area about 500 feet southwest of Tracy Lake Dam, near the Mokelumne River. 6 Comment
  UCR194982  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UC2015362  Helianthus bolanderi G. K. Helmkamp, E. A. Helmkamp 2011-11-21 18474 San Joaquin Northeast San Joaquin Valley: along Johnson Road, 0.1 mile north of its junction with Acampo Road, 2.3 miles SW of Camanche Reservoir Comment
  CAS-BOT-BC305779  Helianthus nuttallii Brian Atwater 1978-8-16 BA- 32 San Joaquin Between Quinby Island and Franks Tract Comment
  CDA6558  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  UC1745566  Heliotropium curassavicum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 682 San Joaquin Holt. Comment
  UC24846  Heliotropium curassavicum J. Burtt Davy 1893-11-13 410 b San Joaquin Stockton Comment
  POM146112  Heliotropium curassavicum var. oculatum E. E. Stanford 1926-9-30 18 San Joaquin Stockton. Comment
  RSA74890  Heliotropium curassavicum var. oculatum Elroy Robinson 1935-9-14 s.n. San Joaquin Lathrop. Comment
  JEPS37509  Helminthotheca echioides W. L. Jepson 1923-10-22 10267 San Joaquin lower San Joaquin River (western San Joaquin County); lower San Joaquin River, Union Island Comment
  CAS-BOT-BC309742  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-10-28 2574 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC32736  Hemizonia congesta subsp. luzulifolia J. A. Sanford 1890-1-1 12 San Joaquin French Camp Comment
  UC596092  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  UCD71243  Hemizonia fitchii Paul Verdegarl; Bob Mullen 1999-5-21 s.n. San Joaquin Lodi, Atkins Rd. in winegrape vineyard that was previously pasture 12 Comment
Read comments
Dec 5 2009
  POM231813  Hemizonia fitchii C. L. Hitchcock 1935-9-14 2832 San Joaquin 3 miles S of Galt. Comment
  POM360306  Hemizonia kelloggii D. D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  SEINET3387093 Image available Hemizonia kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles east of Manteon. 23 Comment
  CDA7820  Hemizonia kelloggii J. B. Gianelli 1962-8-8 San Joaquin Western Pacific Railroad, 1/4 mile north of Telegraph Road, Lodi District. 0 Comment
  POM360307  Hemizonia kelloggii E. E. Stanford 1930-5-10 1470 San Joaquin Near Stanislaus River Comment
  POM215223  Hemizonia parryi subsp. rudis D. D. Keck 1933-10-28 2572 San Joaquin Farmington Road, 0.7 mile from intersection with Hwy 99, ca. 3 miles E of Stockton. Comment
  CDA37460  Hemizonia pungens D. G. Kelch 2011-10-4 11 .829 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. 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
  SEINET5336912  Herniaria cinerea K. Brandegee 1907-10-2 s.n. San Joaquin Near Stockton 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
  UC1076488  Herniaria hirsuta subsp. cinerea Herbert L. Mason 1932-3-19 6825 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  CAS-BOT-BC388502  Herniaria hirsuta var. cinerea W. Ernst 1956-5-12 s.n. San Joaquin Corral Hollow, about 15 miles eastward from Livermore Comment
  CAS-BOT-BC388503  Herniaria hirsuta var. cinerea F. R. Lawson 1930-5-27 s.n. San Joaquin Lone Tree Canyon. South of Tracy Comment
  UCD98167  Herniaria hirsuta var. cinerea Herbert L. Mason 1932-3-19 6825 San Joaquin 2 miles east of Midway, between Mountain House and Tracy. Comment
  CAS-BOT-BC310166  Hesperevax caulescens Roxana S. Ferris 1953-5-15 12651 San Joaquin On road betw. Everett School & intersection with Bellota-Farmington road, ca. 2 mi. W of intersection Comment
  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
  UC629721  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin Junction of Austin Road and Little John Creek; Stockton Comment
  UC990721  Hesperevax caulescens Roxana S. Ferris 1953-5-15 12651 San Joaquin ca. 2 mi w of intersection between Everett School and intersection with Bellota-Farmington road Comment
  SEINET10939142  Heterocodon rariflorum Mason Mason 5551 San Joaquin KNIGHT'S FERRY Comment
  JEPS104704  Heterodraba unilateralis J. L. and F. L. Morrison 1938-3-6 2768 San Joaquin NE of Castle Rock, Corral Hollow, Mount Hamilton Range Comment
  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
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  UC762882  Heterodraba unilateralis R. F. Hoover 1937-4-3 1742 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  UC856338  Heterodraba unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow 121 Comment
  CAS-BOT-BC310940  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island 3 Comment
  UC135251  Heterotheca oregona var. scaberrima Katharine Brandegee 1907-10-2 San Joaquin Stockton Comment
  JEPS9104  Hibiscus lasiocarpos Roy M. Filcher 1914-9-14 San Joaquin Moorland 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
  CAS-BOT-BC203375  Hibiscus lasiocarpos var. occidentalis J. W. Congdon 1912-9-3 s.n. San Joaquin Middle River W of Stockton Comment
  CDA25243  Hirschfeldia incana G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCD115124  Hirschfeldia incana G. F. Hrusa; S. A. Wagner 1992-4-22 9275 San Joaquin Caswell Memorial State Park. Comment
  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
  UCD84900  Holcus lanatus G. F. Hrusa 1992-8-26 9528 San Joaquin Caswell Memorial State Park. Low opening along the nature trail between the campgrounds and picnic areas. Comment
  CAS-BOT-BC324600  Holocarpha obconica John Thomas Howell 1932-10-16 10843 San Joaquin 9 1/2 miles from Tracy on Tesla Road 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
  OBI16046  Holocarpha obconica Robert F. Hoover 1965-9-24 9646 San Joaquin River Rd just N of Stanislaus Co line, near San Joaquin river Comment
  UC134956  Holocarpha obconica Katharine Brandegee 1907-10-2 San Joaquin near Stockton ((railroad track)) Comment
  UC913048  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin 10.5 mi sw Tracy (e end of hollow); Corral Hollow Comment
  UC990596  Holocarpha obconica James I. McMurphy 1908-10-19 San Joaquin hills 3-4 mi out of Tracy Comment
  CAS-BOT-BC320375  Holocarpha virgata C. C. Parry 1881-1-1 125 San Joaquin Corral Hollow Comment
  CAS-BOT-BC320376  Holocarpha virgata H. M. Hall 1930-9-25 12890 San Joaquin Lodi air-port Comment
  POM231701  Holocarpha virgata subsp. virgata C. L. Hitchcock 1935-9-14 2833 San Joaquin 3 miles S of Galt. Comment
  UC2026963  Holocarpha virgata subsp. virgata David Keil 1988-8-23 20991 San Joaquin Liberty Road 4.2 miles east of Highway 99 Comment
  JEPS24325  Holozonia filipes G. Thomas Robbins with Robt. Ornduff and Howard Whisler 1959-10-25 4170 San Joaquin 3.5 mi e Farmington (0.5 mi w of Stanislaus Co. line, along State Highway 4, in the first low, rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  UC913094  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi e Farmington (on the road to Milton) 35 Comment
  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-BC285041  Hordeum depressum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Campus Comment
  CDA43396  Hordeum jubatum Ken Peek 2015-4-14 PDR# 010 P06220548 San Joaquin Vicinity of Tracy. 0 Comment
  UCR242628  Hordeum murinum George K. Helmkamp, E. A. Helmkamp 2010-4-7 15819 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  SEINET9343031  Hordeum murinum Unknown 1992-3-4 9067 San Joaquin Caswell Memorial State Park Comment
  POM195898  Hordeum murinum subsp. glaucum C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; In fields near campus Comment
  HSC10198  Hordeum murinum subsp. leporinum C. S. Chavez 1965-4-10 28 San Joaquin Hwy. 50 downtown Tracy Comment
  UCD86238  Hordeum murinum subsp. leporinum G. F. Hrusa; S. A. Wagner 1992-3-4 9067 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  UCD86239  Hordeum murinum subsp. leporinum G. F. Hrusa; S. A. Wagner 1992-3-4 9237 San Joaquin Caswell Memorial State Park. Beach below picnic areas. Comment
  UCR238402  Hordeum murinum subsp. murinum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18716 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  CAS-BOT-BC55489  Hornungia procumbens Volney Rattan 1882-1-1 s.n. San Joaquin Lathrop. Comment
  CDA41058  Hydrocotyle verticillata J. Allan 2003-8-4 PDR 1268881 San Joaquin San Joaquin Valley; 3705 Hepburn Circle, Stockton. 0 Comment
  UCD128243  Hydrocotyle verticillata G. F. Hrusa; S. A. Wagner 1992-8-9 9359 San Joaquin Caswell Memorial State Park. On eastern end of Oxbow Lake. Comment
  CAS-BOT-BC400803  Hypericum anagalloides Brandegee 1892-9-7 s.n. San Joaquin Bouldin Island Comment
  CDA19471  Hypochaeris glabra M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 202 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  CAS-BOT-BC319042  Hypochaeris glabra E. E. Stanford 1930-4-18 1362 San Joaquin Thornton Road Comment
  RSA170319  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin W. of Hyw 99 freeway, 0.1 mi. n. of Woodbridge Rd., 2 mi. n. of Lodi. Comment
  CAS-BOT-BC101967  Juglans hindsii E. E. Stanford 1930-4-26 1417 San Joaquin Milton Rd. west of Peters Comment
  UCR63919  Juglans hindsii L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CHSC84714  Juncus acuminatus Beth Hendrickson 2002-7-10 San Joaquin San Joaquin Valley. On channel island in Old River, along the west side of Bacon Island, toward the north of the island. At base of levee. 1 Comment
  CDA39157  Juncus balticus J. B. Gianelli s.n. San Joaquin West side of Garden Road, 0.5 mile north of Hwy 12. 0 Comment
  POM147776  Juncus bufonius E. E. Stanford 1927-4-19 164 San Joaquin Stockton. Comment
  UCR128232  Juncus bufonius var. congestus 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
  UCD141876  Juncus phaeocephalus var. paniculatus G. F. Hrusa; S. A. Wagner 1992-7-8 9175 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC80917  Juniperus californica Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10566 San Joaquin Corral Hollow Comment
  RSA604702  Juniperus californica L. C. Wheeler 1952-9-29 6996 San Joaquin Ladd Mine: San Joaquin 5 Comment
  CDA6290  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  CDA6296  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  CAS-BOT-BC340435  Lactuca saligna John Thomas Howell 1932-10-16 10846 San Joaquin Tesla Road, 8 miles west of Tracy Comment
  UC33064  Lagophylla glandulosa Jos. Burtt Davy 1893-11-13 1175 San Joaquin Stockton Comment
  CDA8090  Lagophylla ramosissima T. C. Fuller 1962-4-24 8233 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  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
  UCR232280  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2011-3-12 17060 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  POM147726  Lamium amplexicaule E. E. Stanford 1928-3-2 783 San Joaquin San Joaquin County: Stockton Comment
  UCD125093  Lamium amplexicaule Marvin Nies 1951-4-1 s.n. San Joaquin 5 miles east of Lodi. Comment
  UCR208315  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2009-3-26 14468 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  CAS-BOT-BC324461  Lasthenia conjugens Bloomer 1869-4-1 s.n. San Joaquin Antioch Comment
  CAS-BOT-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
  JEPS10068  Lasthenia fremontii W. L. Jepson 1938-4-14 18681 San Joaquin ne Goose Creek Comment
  JEPS10386  Lasthenia fremontii W. L. Jepson 1929-4-28 15199 San Joaquin Clements 60 Comment
  JEPS9833  Lasthenia fremontii Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5073 San Joaquin 2.2 mi w of Calaveras County Line; Calif. Hiway. No. 8 53 Comment
  UC30419  Lasthenia fremontii J. A. Sanford 1890-1-1 11 San Joaquin French Camp Comment
  POM146141  Lasthenia fremontii E. E. Stanford 1927-4-23 184 San Joaquin Near Stockton Comment
  POM196006  Lasthenia fremontii E. E. Stanford 1929-4-7 1041 San Joaquin Near Peters. Comment
  SEINET11805355  Lasthenia fremontii R. A. Schlising, Baker, H. G. 1963-1 2482 d San Joaquin junction of Hwy 8 & Ospital Road Comment
  CAS-BOT-BC355490  Lasthenia glaberrima E. E. Stanford 1928-4-5 841 San Joaquin Stockton Comment
  CAS-BOT-BC352812  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton Comment
  JEPS35413  Lasthenia glabrata subsp. glabrata J. G. Lemmon 1878-8-1 San Joaquin near Stockton Comment
  RSA21257  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-3-31 8371 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC352813  Lasthenia glabrata subsp. glabrata E. E. Stanford 1929-3-30 1022 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-BC352816  Lasthenia glabrata subsp. glabrata Carl B. Wolf 1937-5-11 8604 San Joaquin San Joaquin Valley, 3 miles N of Stockton 7 Comment
  RSA21424  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 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
  RSA516586  Lasthenia microglossa R. C. Bacigalupi, Francia Chisaki 1956-4-5 5583 San Joaquin In first side canyon to the NE (0.45 mile) of the Alameda-San Joaquin County line off of Corral Hollow, about 1.5 miles N of the Corral Hollow road. 396 Comment
  UC2028970  Lasthenia microglossa Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12443 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca 10 air miles SW of Tracy. Comment
  CAS-BOT-BC368709  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-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-BC368715  Lasthenia minor E. E. Stanford 1928-3-20 813 San Joaquin Peters 45 Comment
  CAS-BOT-BC368716  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  JEPS9906  Lasthenia minor A. D. Tenney 1915-4-14 San Joaquin Comment
  UC1005618  Lasthenia minor Frank W. Gould 1939-3-18 576 San Joaquin base of Castle Rock Mt. Hamilton Range, Corral Hollow, Castle Rock 198 Comment
  CDA27129  Lathyrus jepsonii subsp. californicus L. Hawkins 1972-6-26 San Joaquin 2.5 miles south of Highway 12 at Potato Slough, Lodi. 0 Comment
  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
  CAS-BOT-BC205010  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Id., Stockton 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
  JEPS13425  Layia chrysanthemoides R. F. Hoover 1937-5-6 2082 San Joaquin 5 mi se Stockton Comment
  UC761873  Layia chrysanthemoides R. F. Hoover 1937-5-6 2082 San Joaquin 5 mi se Stockton Comment
  SEINET7076109  Layia fremontii A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  CAS-BOT-BC323245  Layia fremontii Serena Philips 1915-4-2 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC323246  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  POM195965  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  CAS-BOT-BC380868  Layia platyglossa Frank W. Gould 1939-3-18 574 San Joaquin Near Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  POM306596  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1938-4-3 1559 San Joaquin Tracy Comment
  SJSU11686  Layia platyglossa R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC1601122  Layia platyglossa Benj. Cobb San Joaquin Tracy Comment
  UCD36788  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin San Joaquin County, 6.4 miles south of Thornton. Comment
  UCR80870  Leersia oryzoides G. Fred Hrusa, S. A. Wagner 1992-7-8 9153 San Joaquin Caswell Memorial State Park. Comment
  CDA32431  Leersia oryzoides J. B. Gianelli 1960-10-4 San Joaquin South side Harney Lane & Woodbridge irrigation canal, Woodbridge Irrigation District 0 Comment
  UC1036118  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 mi w of Farmington 30 Comment
  CAS-BOT-BC534390  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 miles west of Farmington 30 Comment
  UC1083189  Lemna minuscula Herbert L. Mason 1937-6-21 11550 San Joaquin 1/2 mi sw of Holt Comment
  RSA318295  Lemna minuta Wayne P. Armstrong 1984-8-23 1215 San Joaquin South side of Highway 4-- 3 miles southwest of Holt 2 Comment
  UC1101290  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-10-23 1895 San Joaquin 15 mi sw of Ione (on road from Ione to Clements) Comment
  UC1584130  Leontodon saxatilis L. LaPre 1990-6-4 San Joaquin Borden Ranch, Dry Creek Comment
  UCR66260  Leontodon taraxacoides L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCR249963  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20228 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  CAS-BOT-BC88687  Lepidium acutidens Carl B. Wolf 1937-3-31 8373 San Joaquin San Joaquin Valley, 1 mile south of Stockton on Tracy Road. 5 Comment
  CAS-BOT-BC88871  Lepidium chalepense Bellue 1932-6-1 s.n. San Joaquin Unspecified. Comment
  UC10609  Lepidium dictyotum var. acutidens F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  CDA15556  Lepidium latifolium G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14887 San Joaquin Caswell Memorial State Park; Stanislaus river along River Bend trail. Comment
  CAS-BOT-BC89696  Lepidium latifolium Bellue June 20 s.n. San Joaquin Tobin Ranch. Mossdale. Also on adjoining Olixeira Ranch. Comment
  UCD115702  Lepidium latifolium G. F. Hrusa; S. A. Wagner 1992-7-8 9171 San Joaquin On riverbank side of Oxbow Bar. Caswell Memorial State Park. Comment
  POM195962  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  UC765074  Lepidium latipes Robert F. Hoover 1935-3-1 201 San Joaquin w of Ripon (San Joaquin River bridge); San Joaquin River Comment
  CAS-BOT-BC12556  Lepidium nitidum John Thomas Howell 1931-3-16 5783 San Joaquin 3 miles southeast of Tracy. 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
  RSA161144  Lepidium nitidum P. H. Raven, Robert Ornduff, et al. 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  RSA21266  Lepidium nitidum C. B. Wolf 1937-3-31 8380 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC12562  Lepidium nitidum Gladys L. Smith 1959-5-2 1068 San Joaquin Near Railroad, 1 mile east of Wallace. 67 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
  UC10600  Lepidium strictum Jos. Burtt Davy San Joaquin Lathrop Comment
  RSA0116234  Lepidium strictum Volney Rattan 1877-03 s.n. San Joaquin Live Oaks Comment
  RSA697455  Lepidium virginicum J. Vlahos 1934-5-20 s.n. San Joaquin South Forks. Comment
  UC61020  Lepidium virginicum N. K. Berg 1903-12-5 San Joaquin Rough & Ready Isl. Comment
  CAS-BOT-BC13052  Lepidium virginicum var. menziesii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Island. Stockton. Comment
  SBBG50434  Lepidospartum squamatum J. T. Howell 1973-10-31 San Joaquin wash of Hospital Crk, SW of Vernalis, Interstate 580 Comment
  UCD134021  Lepidospartum squamatum John Thomas Howell 1971-6-25 48111 San Joaquin Hospital Creek at Interstate Hwy. 580, 4 miles southwest of Vernalis. Comment
  UCD134022  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin Hospital Creek southwest of Vernalis at Highway 580. 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
  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
  CAS-BOT-BC123036  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-27 3065 San Joaquin 3 miles W of Manteca 15 Comment
  OBI48833  Lessingia pectinata var. tenuipes Michener & Boletti, Boletti September 1892 s.n. San Joaquin San Joaquin bridge Comment
  UC133316  Lessingia pectinata var. tenuipes Katharine Brandegee 1907-9-1 San Joaquin near Lathrop Comment
  UC468757  Lessingia pectinata var. tenuipes Katharine Brandegee 1914-9-27 San Joaquin Lathrop Comment
  CAS-BOT-BC342047  Lessingia virgata V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC342048  Lessingia virgata Edward Lee Greene 1881-9-20 s.n. San Joaquin San Joaquin Valley Comment
  UC194246  Lessingia virgata Dr. C. C. Parry 1881-1 San Joaquin Stockton Comment
  CAS-BOT-BC272206  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Near Stockton, Calaveras River Comment
  UCD64653  Leymus triticoides Beecher Crampton 1956-7-31 3762 San Joaquin Along State Hwy. 12, about 5 miles SW of Lodi. Comment
  SEINET10531268  Libocedrus decurrens Carl C. Epling 1931-10-3 Epling s.n. 1931 San Joaquin Strawberry Valley, San Jacinto Mts. 5000 feet. Comment
  RSA25118  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 16 Comment
  UC767547  Lilaea scilloides Robert F. Hoover 1935-3-16 347 San Joaquin Farmington; San Joaquin Valley Comment
  POM146101  Lilaea scilloides E. E. Stanford 1927-4-21 169 San Joaquin Stockton, Campus. Comment
  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
  OBI64513  Limnanthes alba David J. Keil 2005-3-13 30361 San Joaquin Just W of Amador county line along Calif Rte 88, 5.5 mi NE of Mokelumne River bridge 82 Comment
  SJSU10803  Limnanthes alba H. B. Heisinger 1956-4-22 San Joaquin 28 mi E of Stockton Comment
  UCD33920  Limnanthes alba Beecher Crampton 1975-4-16 9145 San Joaquin 3 miles north of Clements along Liberty road. Comment
  JEPS19619  Limnanthes alba subsp. alba W. L. Jepson 1929-4-28 15198 San Joaquin Clements 60 Comment
  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
  JEPS39991  Limnanthes douglasii subsp. rosea Paul C. Hutchison 1963-3-24 2676 San Joaquin on Hwy 88 1.7 mi s Amador County line (4.3 mi n of Mokelumne River Bridge) Comment
  OBI12563  Limnanthes douglasii subsp. rosea Robert F. Hoover 1935-3-19 354 San Joaquin Farmington Comment
  OBI12573  Limnanthes douglasii subsp. rosea Robert F. Hoover 1936-3-19 805 San Joaquin Banta Comment
  UC1046592  Limnanthes douglasii subsp. rosea Alex D. Hawkes and R. Bacigalupi 1951-4-21 4802 San Joaquin State Road 4 near Farmington Comment
  UC1746127  Limnanthes douglasii subsp. rosea Annetta M. Carter 1947-4-5 1783 San Joaquin E of Farmington, 0.3 mi. W of San Joaquin Co. line. Comment
  UCD85107  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 956 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  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
  UCD33917  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9141 San Joaquin San Joaquin County, 6 miles N.W. of Lockeford, Liberty and Bruella roads. Comment
  JEPS9856  Limosella acaulis R. F. Hoover 1937-5-18 2186 San Joaquin 10 mi n of Stockton 12 Comment
  UC52385  Linanthus bicolor Benj. Cobb San Joaquin Tracy Comment
  CDA40052  Linanthus ciliatus T. C. Fuller 1962-4-24 8231 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  JEPS58380 Image available Linanthus dichotomus W. L. Jepson 1922-4-2 9597 San Joaquin W San Joaquin County, Corral Hollow. 182 Comment
  UC907995  Linanthus liniflorus Herbert L. Mason 1928-5-3 4458 San Joaquin 6 mi n Clements Comment
  UCD123915  Lindernia dubia G. F. Hrusa; S. A. Wagner 1992-8-9 9335 San Joaquin Caswell Memorial State Park. Comment
  JEPS33272  Lindernia dubia var. anagallidea Rimo Bacigalupi and L. Constance 1962-8-13 8710 San Joaquin just n of site of San Joaquin City (just n of bridge of the Durham Ferry Road, just above waterline of San Joaquin River); San Joaquin River 3 Comment
  JEPS74994  Lindernia dubia var. anagallidea L. R. Heckard and P. Rubtzoff 1971-9-15 2808 San Joaquin about 4 air mi sw Ripon (Stanislaus River); Caswell State Park Comment
  RSA244711  Lindernia dubia var. anagallidea Peter Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UC101979  Lindernia dubia var. anagallidea Katharine Brandegee Sep 1907 San Joaquin near Lathrop (San Joaquin River); San Joaquin River Comment
  UC177578  Lindernia dubia var. anagallidea H. M. Hall Aug 1914 9842 San Joaquin Woodbridge Sacramento Valley, Mokelumne River (sand of the Mokelumne River bed) Comment
  UC885912  Lindernia dubia var. anagallidea F. Bioletti Sep 1892 San Joaquin San Joaquin Bridge 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-BC430971  Lithophragma bolanderi Volney Rattan 1885-3-25 s.n. San Joaquin In wheat field Live Oaks Comment
  JEPS47506  Lithophragma parviflorum W. L. Jepson 1922-4-2 9571 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow (w San Joaquin County) 182 Comment
  CAS-BOT-BC342365  Logfia gallica E. E. Stanford 1930-4-26 1439 San Joaquin Wheatland Rd. Comment
  CHSC20553  Lolium multiflorum Virginia Holsinger 1964-5-18 106 San Joaquin Roadside bordering cow pasture, east of Livermore. 152 Comment
  SEINET10599283  Lolium remotum E. E. Stanford 1930-4-12 Stanford 1298 San Joaquin Mariposa Rd. near Cometa Rd. Wet roadsides. Comment
  CAS-BOT-BC241460  Lonicera involucrata var. ledebourii Brian Atwater 1978-8-18 BA- 38 San Joaquin Inside a meander of Old River; between Quinby Island and Franks Tract Comment
  RSA406290  Lotus unifoliolatus E. E. Stanford 1930-8-9 1878 San Joaquin Calaveras River bottom near Stockton. Comment
  UC19731  Ludwigia J. A. Sanford 1890-1 37 San Joaquin Stockton Comment
  CDA5222  Ludwigia peploides subsp. montevidensis Castle Seed Co. 1959-8-13 San Joaquin A. L. Castle Seed Company, Stockton. 0 Comment
  UC596384  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington Comment
  UC634672  Ludwigia peploides subsp. peploides H. L. Mason 1928-9-30 4953 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  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
  UC1129268  Lupinus albifrons R. D. Roseberry 1935-5-13 158 San Joaquin Mokelumne River; Jackson Quad., Mokelumne River 60 Comment
  UCD96915  Lupinus albifrons Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6952 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  RSA406999  Lupinus albifrons var. albifrons E. E. Stanford 1930-4-12 1307 San Joaquin Mariposa Rd. 15 mi. s.e. of Stockton. Comment
  HSC104232  Lupinus bicolor G. K. Helmkamp 2014-3-18 22571 San Joaquin San Joaquin Valley: along Hwy. CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW of Ione 87 Comment
  SD241012  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-3-29 17095 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden. 71 Comment
  UC126972  Lupinus bicolor F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UC764124  Lupinus bicolor R. F. Hoover 1938-2-27 2795 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  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
  UCR233110B  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15839 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements 79 Comment
  UCR242949  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15825 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  POM350008  Lupinus bicolor Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  POM350010  Lupinus bicolor E. E. Stanford 1928-5-5 951 San Joaquin Near Peters Comment
  POM10651  Lupinus bicolor subsp. pipersmithii C. F. Baker, Jones 1903-4-26 2910 San Joaquin Tracy Comment
  POM147742  Lupinus densiflorus var. lacteus E. E. Stanford 1927-5-7 217 San Joaquin Near Clements. Comment
  RSA413551  Lupinus densiflorus var. lacteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  RSA87053  Lupinus densiflorus var. palustris E. E. Stanford 1930-04 10006 San Joaquin Northern part of the county. Comment
  JEPS65232  Lupinus formosus var. robustus W. L. Jepson 1896-6-27 55 t San Joaquin San Joaquin River bridge to Burnet's sta.; San Joaquin River bridge to Burnet's sta. Comment
  RSA633917  Lupinus microcarpus Michael A. Vincent 1999-6-12 8620 San Joaquin Along CA Rt. 4, 0.5 mile east of Jack Tome Road. Comment
  UCD108629  Lupinus microcarpus Michael A. Vincent 1999-6-12 8620 San Joaquin along CA Rt. 4, 0.5 mile east of Jack Torne Road. Comment
  JEPS108071  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin Drainage area, Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  OBI48313  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
  OBI48316  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin San Joaquin-Alameda Cos. Drainage area, Carnegie Motorcycle park project, Co. J2 at Co. line Comment
  RSA659202  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  UC15954  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UC763998  Lupinus microcarpus var. densiflorus R. F. Hoover 1937-5-18 2181 San Joaquin near Lathrop; near Lathrop Comment
  CDA27533  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-22 19846 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 Comment
  UCR242951  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15827 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  JEPS65481  Lupinus succulentus R. F. Hoover 1935-3-1 237 San Joaquin Vernalis Comment
  POM146124  Lupinus succulentus E. E. Stanford 1927-4-5 137 San Joaquin Stockton. Comment
  POM196007  Lupinus vallicola subsp. apricus E. E. Stanford 1929-4-7 1039 San Joaquin Near Peters Comment
  CDA5758  Lycium chinense T. C. Fuller 1964-11-6 12811 San Joaquin Across levee road from Whiskey Slough, Holt. 0 Comment
  UC1784118  Lycopus americanus Ethel Crum 1930-9-29 864 San Joaquin Holt Comment
  UC108056  Lythrum californicum W. Vortriede San Joaquin Stockton Comment
  UC19781  Lythrum californicum H. P. Fitch 1888-8-10 141 San Joaquin Stockton Comment
  CDA14909  Lythrum californicum D. Joley 1998-10-1 s.n. San Joaquin San Joaquin Valley; Bank of White Slough on W side of Interstate 5 along Hwy 12. 0 Comment
  UC735722  Lythrum hyssopifolia Walter Russell 1947-6-29 135 San Joaquin n of Escalon (Lone Tree Road 4/10 mi w of corner of Brennan Road); Lone Tree Road Comment
  RSA0011323  Lythrum hyssopifolia J. A. Sanford 1890-1 54 San Joaquin Stockton. Comment
  RSA0011324  Lythrum hyssopifolia C. L. Hitchcock 1940-5-12 6364 San Joaquin 3 miles south of Galt. 16 Comment
  RSA0011325  Lythrum hyssopifolia E. E. Stanford 1930-5-13 1481 San Joaquin Rough and Ready Island/ 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
  JEPS119426  Madia citrigracilis G. K. Helmkamp, E. A. Helmkamp 2011-7-19 17798 San Joaquin Northern Sierra Nevada Mountains Foothills, Forest Route 5N14, 1.7 miles southeast of Boards Crossing bridge of North Fork Stanislaus River Comment
  CAS-BOT-BC342686  Madia elegans E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  UCD132784  Madia elegans G. F. Hrusa; S. A. Wagner 1992-8-9 9330 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC324518  Madia radiata Carl B. Wolf 1937-3-31 8403 San Joaquin Hospital Canyon, west side of San Joaquin Valley 137 Comment
  CAS-BOT-BC324521  Madia radiata J. C. Chamberlain 1935-3-19 6196 San Joaquin Hospital Canyon, eastern slopeof Hamilton Range Comment
  JEPS15776  Madia radiata W. L. Jepson 1922-4-2 9562 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
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Aug 21 2017
  JEPS7399  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  UC761805  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  UC830899  Madia radiata Lewis S. Rose 1938-4-18 38147 San Joaquin Hospital Canyon 152 Comment
  CAS-BOT-BC345541  Malacothrix coulteri Alice Eastwood; John Thomas Howell 1935-4-7 2097 San Joaquin East end of Corral Hollow Comment
  UC33279  Malacothrix coulteri Benj. Cobb San Joaquin Tracy Comment
  UC768592  Malacothrix coulteri R. F. Hoover 1938-4-9 3047 San Joaquin lower end Corral Hollow Comment
  JEPS36625  Malacothrix coulteri F. T. Bioletti 1892-1 San Joaquin San Joaquin Comment
  SD241096  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 (Valley Springs SW 7.5'Q) 52 Comment
  UC18734  Malva nicaeensis J. A. Sanford 1890-1 109 San Joaquin West Stockton Comment
  UCD116600  Malva nicaeensis G. F. Hrusa 1992-8-26 9524 San Joaquin Caswell Memorial State Park. Comment
  SEINET7248014  Malva pseudolavatera Ira L. Wiggins 1958-1 14322 San Joaquin At corner of Patterson Road and Grant Line Road. Comment
  UC18834  Malvella leprosa Michener and Bioletti 1892-9-9 San Joaquin San Joaquin Bridge Comment
  UC18835  Malvella leprosa H. P. Fitch 1888-1 121 San Joaquin Stockton Comment
  UC18836  Malvella leprosa J. A. Sanford 1890-1 385 San Joaquin Stockton Comment
  CDA35812  Malvella leprosa T. C. Fuller 1961-9-13 7005 San Joaquin Road to Byron, Highway J4, 4.5 miles northwest of Tracy. 0 Comment
  UC1267079  Marah fabacea Kenneth M. Stocking August 1947 7 San Joaquin 1 mi e Linden 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
  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
  JEPS63285  Marrubium vulgare W. L. Jepson 1924-5-22 10420 San Joaquin Calaveras River levee Bellota; Calaveras River levee Comment
  UCR253491  Marrubium vulgare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20072 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC71109  Marsilea vestita E. E. Stanford 1927-5-26 439 San Joaquin Stockton, Calaveras River bottom Comment
  CAS-BOT-BC71110  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton Comment
  UCSB8328  Marsilea vestita Chisaki, Francia; Kamb, Peter 1951-4-14 San Joaquin 2 mi E of Collegeville on road toward Valley Home. Comment
  UC1093988  Marsilea vestita subsp. vestita Herbert L. Mason 1928-5-3 4443 San Joaquin 4 mi n Clements Comment
  UC903148  Marsilea vestita subsp. vestita Ethel Crum 1932-5-1 1414 San Joaquin 4 mi sw Lockeford 22 Comment
  SFV12344  Marsilea vestita subsp. vestita W. R. Russell 1967-9-21 s. n. San Joaquin South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88. Northeastern part of county. Comment
  UC181352  Marsilea vestita subsp. vestita Katharine Brandegee 1914-9-27 San Joaquin opposite Mossdale Schoolhouse (near San Joaquin Bridge) Comment
  UC62269  Marsilea vestita subsp. vestita F. T. Bioletti 1892-9-9 San Joaquin lower San Joaquin Comment
  CDA7538  Matricaria discoidea T. C. Fuller 1962-4-2 8202 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  UC1069990  Matricaria discoidea R. D. Roseberry 1935-5-16 184 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  SEINET3422325 Image available Medicago hispida P. O. Schallert 1945-3-8 s.n. San Joaquin Waste places near Stockton, California. Comment
  SEINET4691731  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-1 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 degree) of Lodi. 40 Comment
  UC16094  Medicago polymorpha J. A. Sanford 1890-1 73 San Joaquin Stockton Comment
  UC16099  Medicago polymorpha Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UCD107837  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-3-22 9066 San Joaquin Caswell Memorial State Park. Comment
  UC62238  Melia azedarach J. A. Sanford 1890-1 108 San Joaquin Stockton Comment
  POM147779  Melilotus albus E. E. Stanford 1927-9-26 726 San Joaquin Stockton. Comment
  UCR77123  Melilotus albus G. Fred Hrusa, S. A. Wagner 1992-7-8 9158 San Joaquin Caswell Memorial State Park. Comment
  POM147806  Melilotus indicus E. E. Stanford 1928-3-13 804 San Joaquin Stockton. Comment
  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
  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
  UC57371  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  RSA409902  Mentha canadensis E. E. Stanford 1929-10-25 1180 San Joaquin Near Stockton Comment
  UC416714  Mentha pulegium Harriet A. Walker 1907-9-8 902 San Joaquin Lathrop near drawbridge; Lathrop near drawbridge Comment
  UC761956  Mentha pulegium R. F. Hoover 1935-8-3 704 San Joaquin 5 mi sw Ripon (Stanislaus River bottom); Stanislaus River bottom Comment
  UC25394  Mentha pulegium J. Burtt Davy 1893-11-13 410 San Joaquin bank of Stockton Slough Comment
  CAS-BOT-BC7433  Mentzelia affinis Edward Lee Greene 1889-4-1 s.n. San Joaquin Lathrop Comment
  JEPS27274  Mentzelia affinis Rimo Bacigalupi 1961-2-27 7544 San Joaquin just below and s drop-tower installation of Atomic Energy Commn (On west-facing hillside, in canyon to the north of Corral Hollow just east of Alameda-San Joaquin county line.) 243 Comment
  JEPS41161  Mentzelia affinis W. L. Jepson 1896-6-27 14045 San Joaquin between Mossdale School Atlanta; Plains of the Lower San Joaquin Comment
  POM134690  Mentzelia affinis C. F. Baker 1903-4-25 2781 San Joaquin Tracy. Comment
  UC19624 Image available Mentzelia albicaulis J. A. Sanford 1890-1 157 San Joaquin French Camp Comment
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Dec 31 2018
  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
  RSA21462  Micropus californicus C. B. Wolf 1937-3-31 8396 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  CAS-BOT-BC348401  Micropus californicus var. californicus Roxana S. Ferris 1938-4-15 9400 San Joaquin Near gravel pit at the mouth of Corral Hollow Comment
  CDA8380  Micropus californicus var. californicus T. C. Fuller 1962-4-24 8237 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  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
  UC604926  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin hillside near mouth of Elk Ravine; Cow Hollow-Livermore Road 152 Comment
  UC903218  Microseris douglasii subsp. douglasii Ethel Crum 1932-5-1 1416 San Joaquin Lockeford 22 Comment
  JEPS35604  Microseris douglasii subsp. tenella R. F. Hoover 1937-5-6 2084 San Joaquin 5 mi se Stockton 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
  RSA21626B  Microseris elegans Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UCD96906  Microsteris gracilis Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6947 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  RSA138282  Mimulus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks. Comment
  SEINET7072566  Mimulus guttatus 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
  RSA80449  Mimulus guttatus E. E. Stanford 1930-04 s.n. San Joaquin Northern part 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
  UC1051656  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (field e of road toward Lockeford) Comment
  RSA113966  Mimulus latidens Francia Chisaki, Peter Kamb, S. Galen Smith 1951-4-14 1986 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. Comment
  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
  UC768823  Mimulus microphyllus R. F. Hoover 1937-4-23 1917 San Joaquin 7 mi e Stockton Comment
  JEPS39992  Mimulus nasutus Paul C. Hutchison 1963-3-24 2677 San Joaquin 1.7 mi s Amador County line (on Hiway 88, 4.3 mi n of Mokelumne River Bridge) 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
  UC26913  Mimulus pilosus J. A. Sanford 1890-1 184 San Joaquin W. Stockton Comment
  CDA41830  Mimulus pilosus J. R. Pierce 1963-8-3 s.n. San Joaquin Goose Creek, 6 miles north of Lockeford, northern edge of county. 0 Comment
  SEINET7072568  Mimulus rubellus A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at Route 8 about 7 miles east-norheast of Linden. Coordinate datum: NAD 27. UTM Zone 10, 675930mE, 4215074mN. Comment
  JEPS10522  Mimulus tricolor W. L. Jepson 1937-4-23 18008 San Joaquin ca. 5 mi se Stockton (on Farmington road) Comment
  RSA27965  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt. 16 Comment
  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
  UCD122955  Mimulus tricolor Marvin L. Nies 1951-4-7 37 San Joaquin 8 miles east of Lodi. Comment
  CDA5052  Modiola caroliniana F. M. Newhall 1961-10-2 San Joaquin Frontage road, north of Mokelumne. 0 Comment
  JEPS25282  Mollugo verticillata G. Thomas Robbins with Robert Ornduff and Howard Whisler 1959-10-25 4171 San Joaquin 1/2 mi w of Stanislaus County line (3 1/2 mi e of Farmington, bed of Duck Creek, along Hwy 4, in the first foothills of Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  JEPS42873  Mollugo verticillata W. L. Jepson 1923-10-22 10282 San Joaquin San Joaquin City, Lower San Joaquin River Lower San Joaquin River; San Joaquin City, Lower San Joaquin River 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
  UCD99651  Mollugo verticillata G. Thomas Robbins; Robert Ornduff, Howard Whisler 1959-10-25 4171 San Joaquin on the surface of the dried stream bed of Duck Creek, along State Highway 4, 1/2 mile west of Stanislaus Co. line, 3.5 miles east of Farmington; in the first low, rolling foothills of the Sierra Nevada. 42 Comment
  RSA135436  Monardella lanceolata var. lanceolata Volney Rattan 1886-06 s.n. San Joaquin [Unspecified] Comment
  UC769907  Monolepis nuttalliana R. F. Hoover 1938-4-9 3049 San Joaquin lower end of Corral Hollow Comment
  CAS-BOT-BC349409  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W. side of San Joaquin Valley, Hospital Canyon 137 Comment
  POM363555  Monolopia lanceolata C. B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  UC572144  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1490 a San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow 228 Comment
  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
  POM55164  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  UC572148  Monolopia major H. K. Sharsmith 1935-3-3 1495 a 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
  CAS-BOT-BC349638  Monolopia major A. H. Ashley 1920-4-20 s.n. San Joaquin Morada near Stockton Comment
  CDA23978  Montia fontana G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1173 San Joaquin 4.3 miles east of Bellota on SR 26, 1 mile west of Wimer Road (Calaveras Co. line) eastern San Joaquin County. 0 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
  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
  SEINET3243472  Muilla maritima Frank W. Gould 1940-1 884 San Joaquin Castle Rock, Corral Hollow, Mt. Hamilton Range 198 Comment
  SEINET3992098  Muilla maritima Lincoln Constance, 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-BC515641  Muilla maritima Lincoln Constance; Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow; California Innter Coast Qanoes 213 Comment
  CAS-BOT-BC83360  Myosurus minimus Robert F. Hoover 1940-4-27 4367 San Joaquin River Road near San Joaquin City. Comment
  JEPS599  Myosurus minimus F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  CAS-BOT-BC83362  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Near Stockton. Comment
  HSC77883  Myriophyllum aquaticum Jerry Webb 1977-11-23 12 San Joaquin San Joaquin Delta, Mandible Is. Comment
  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
  UCD96875  Nassella cernua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6928 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  UC908648  Navarretia leucocephala Clifford Bedford 1936-4-18 San Joaquin 3 mi se Lodi (Harney Lane) Comment
  UC963752  Navarretia leucocephala subsp. leucocephala H. L. Mason 1928-5-3 4455 San Joaquin 4 mi n Clements 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
  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
  UC24178  Nemophila heterophylla J. A. Sanford San Joaquin Stockton Comment
  JEPS104716  Nemophila menziesii J. L. and F. L. Morrison 1938-3-6 2771 San Joaquin steep slope NE of Castle Rock, Corral Hollow, Mount Hamilton Range 350 Comment
  UC131445  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy; ; Tracy, San Joaquin Co. Comment
  UC765443  Nemophila pedunculata R. F. Hoover 1935-3-16 351 San Joaquin Farmington 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
  UC26153  Nicotiana acuminata var. multiflora J. Burtt Davy 1893-11-13 409 San Joaquin Stockton Comment
  CDA5786  Nicotiana glauca P. Switzenberg 1959-8-1 San Joaquin Home garden, Hansen property, Lucas Road, Woodbridge. 0 Comment
  POM146110  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Stockton. Levee, San Joaquin River. Comment
  UC26169  Nicotiana glauca H. P. Fitch 1888-1 137 San Joaquin Stockton Comment
  UC26155  Nicotiana quadrivalvis J. A. Sanford 44 San Joaquin French Camp Comment
  JEPS22947  Nitrophila occidentalis Volney Rattan 1881-7-1 San Joaquin Lathrop Comment
  UC198262  Nitrophila occidentalis Katharine Brandegee 1907-5-1 San Joaquin Lathrop Comment
  UC519211  Nitrophila occidentalis H. H. Severin 1933-9-7 San Joaquin along irrigating ditch n Ripon 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
  UC764051  Oenothera elata subsp. hirsutissima Robert F. Hoover 1935-9-7 717 San Joaquin Union Island Comment
  CDA18868  Oenothera elata subsp. hirsutissima G. Leonard 1999-9-1 PDR 005352 San Joaquin San Joaquin Valley; San Joaquin Co. 0 Comment
  CDA38182  Oenothera elata subsp. hirsutissima T. C. Fuller 1964-11-6 12814 San Joaquin Across levee road from Whiskey Slough, Holt. 0 Comment
  RSA465591  Olea europaea E. E. Stanford 1930-5-16 1489 San Joaquin Stockton. 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
  UCD18385  Orobanche californica subsp. jepsonii Glen Holstein 1976-9-4 14 San Joaquin campground at Caswell Memorial State park. 15 Comment
  CDA42362  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-A San Joaquin Northwest of Holt, in field south of West Neugerbauer Road, north of West McDonald Road and west of North Holt Road. Landplane Field 3I-12. 0 Comment
  CDA42384  Orobanche ramosa Don McCoon 2014-8-26 PDR# 390 P06219816 San Joaquin North of Holt, in field southwest of the intersection of North Holt Road and West Neugerbauer Road. 0 Comment
  CDA42393  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-B San Joaquin North of Holt, in field north of West McDonald Road. Field 7 Number 11-7. 0 Comment
  CDA42395  Orobanche ramosa Williamson, Medina 2014-8-7 PDR# 390 P06189424 San Joaquin Northwest of Holt, in 34 acre field just north of West McDonald Road. 0 Comment
  CAS-BOT-BC502931  Orobanche ramosa D. Y. Rosenberg 1964-8-20 s.n. San Joaquin Robert's Island, N side of Hwy 4, 0.25 mi E of Inland Dr. Comment
  RSA0072116  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1 mi S/Hwy 4, Roberts Island, ca. 3 mi SW/Stockton. Comment
  UC625468  Orobanche uniflora subsp. occidentalis Frank W. Gould 1938-4-10 160 San Joaquin Mount Hamilton Range Corral Hollow, in vicinity of Castle Rock. 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
  RSA21466  Orthocarpus attenuatus Carl B. Wolf 1937-3-31 8400 San Joaquin W side of San Joaquin Valley, lower end of hospital canyon. 122 Comment
  POM146108  Orthocarpus densiflorus E. E. Stanford 1927-4-23 178 San Joaquin Near Stockton. Comment
  SEINET12270168  Orthocarpus erianthus L. D. Thurman 1963-1 120 San Joaquin 2.1 mi E of Calaveras River bridge on state highway 8 Comment
  POM15367  Orthocarpus purpurascens C. F. Baker 1903-4-26 2784 San Joaquin Betheny. Comment
  RSA21453  Orthocarpus purpurascens Carl B. Wolf 1937-3-31 8387 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  SBBG47343  Panicum capillare P. Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  SEINET3237805 Image available Panicum capillare George K. Helmkamp, E. A. Helmkamp 2007-10-13 13095 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCD37052  Panicum capillare Beecher Crampton 1956-7-30 3743 San Joaquin San Joaquin County, 4.8 miles north of Farmington. Comment
  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
  UCD89538  Panicum capillare Peter Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area.) 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
  CAS-BOT-BC253847  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton Comment
  CAS-BOT-BC253848  Panicum dichotomiflorum J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  RSA227228B  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UCD89578  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton. Comment
  UCD89579  Panicum dichotomiflorum Beecher Crampton 1957-8-23 4589 San Joaquin Along US Hwy. 99 freeway, 3 miles S of Stockton. Comment
  SEINET4670688  Panicum dichotomiflorum B. Crampton 1955-9-7 3153 San Joaquin 6.4 miles south of Thorton Comment
  CDA292  Panicum miliaceum Honson 1929-10-1 San Joaquin San Joaquin Valley. 0 Comment
  UCD88656  Parapholis incurva Chandler Jensen 1957-4-25 s.n. San Joaquin Corral Creek, west of Tracy. Comment
  JEPS21853  Parvisedum pumilum Ina Graham 1958-4-19 48 San Joaquin 3 mi e of Clements (1/2 mi n of Route 12, pasture on McIntire Road); McIntire Road Comment
  JEPS91136  Parvisedum pumilum Dean W. Taylor 1990-4-11 10617 San Joaquin Goose Creek, on stony allvuial terraces in Section 19 70 Comment
  CDA25371  Parvisedum pumilum G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1172 San Joaquin 1 mile (1.6 km) west of Calaveras County line (Wimer Road) on Highway 26; 4.3 miles (6.9 km) east of Bellota, 0.5 mile (0.8 km) east of Shelly Road. 0 Comment
  CDA2129  Paspalum dilatatum M. Inverso 1979-9-21 San Joaquin A. Curtis property, 1864 South Seider Avenue, Escalon. 0 Comment
  SEINET3821616 Image available Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18441 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington (Farmington 7.5' Q) 41 Comment
  UC1101572  Paspalum dilatatum Malcolm A. Nobs and S. Galen Smith 1948-7-22 209 San Joaquin 2 mi n Manteca (irrigation canal) Comment
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Sep 17 2008
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UC580050  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin on road to Oakdale 3.2 mi e Escalon Comment
  CAS-BOT-BC259740  Paspalum distichum Harriet A. Walker 1907-9-8 908 San Joaquin Sathrop Comment
  POM364363  Paspalum distichum E. E. Stanford 1927-8-31 697 San Joaquin Stockton, Cal. R. bottom Comment
  UC50741  Paspalum distichum J. A. Sanford 1901-9-10 San Joaquin Stockton Comment
  CAS-BOT-BC169733  Pectocarya anisocarpa Alice Eastwood; John Thomas Howell 1935-4-7 2103 San Joaquin E end of Corral Hollow Comment
  UC573072  Pectocarya penicillata H. L. Mason 1932-3-19 6835 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UC600982  Pectocarya penicillata Marjorie E. Olney 1938-3-6 48 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow Comment
  JEPS68234  Pectocarya setosa R. F. Hoover 1938-4-9 3042 San Joaquin <Hill between Castle Rock and Black Butte> Corral Hollow Comment
  UC766194  Pectocarya setosa Robert F. Hoover 1938-4-9 3042 San Joaquin between Castle Rock and Black Butte Corral Hollow Comment
  CAS-BOT-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-BC413598  Persicaria amphibia E. E. Stanford 1929-10-25 1175 San Joaquin Near Stockton Comment
  CAS-BOT-BC413601  Persicaria amphibia John Thomas Howell 1929-9-21 4413 San Joaquin Holt Comment
  CAS-BOT-BC413597  Persicaria amphibia F. R. Lawson 1930-9-18 s.n. San Joaquin Sherman Island 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
  CAS-BOT-BC418888  Persicaria hydropiperoides Brian Atwater 1978-8-24 BA- 106 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  CAS-BOT-BC418892  Persicaria hydropiperoides John Thomas Howell 1929-9-21 4417 San Joaquin Holt Comment
  CAS-BOT-BC419065  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt Comment
  CAS-BOT-BC419063  Persicaria lapathifolia Eva Bramlet 1896-5-11 s.n. San Joaquin Woods Grove, San Joa. R. Comment
  UCD99439  Persicaria lapathifolia Rimo Bacigalupi; L. Constance 1962-8-13 8716 San Joaquin Eastern side of San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of site of San Joaquin City. 3 Comment
  UCD99485  Persicaria lapathifolia G. F. Hrusa; S. A. Wagner 1992-8-9 9340 San Joaquin Caswell Memorial State Park. Along the bank of the Stanislaus River. Comment
  UCD99494  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt. Comment
  CAS-BOT-BC419250  Persicaria maculosa Barrett Anderson 1987-10-24 3630 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC419252  Persicaria maculosa John Thomas Howell 1929-9-21 4414 San Joaquin Holt Comment
  CAS-BOT-BC419253  Persicaria maculosa William Anderson 1963-11-22 s.n. San Joaquin Terminous Comment
  CAS-BOT-BC419379  Persicaria punctata John Thomas Howell 1929-9-21 4415 San Joaquin Holt Comment
  CAS-BOT-BC419381  Persicaria punctata Ira L. Wiggins 1934-7-28 6941 San Joaquin 3.2 miles east of Escalon Comment
  UC24367  Phacelia cicutaria F. W. Gunnison May 1896 San Joaquin Linden Comment
  POM299077  Phacelia ciliata J. T. Howell 1929-3-27 4106 San Joaquin Four miles west of Tracy. Comment
  RSA21263  Phacelia ciliata Carl B. Wolf 1937-3-31 8377 San Joaquin San Joaquin Valley, 3 mi. e. of Tracy at junction with Vernalis Road. 8 Comment
  SBBG29816  Phacelia ciliata J. T. Howell 1929-3-27 4106 San Joaquin 4 mi W of Tracy Comment
  JEPS2245  Phacelia ciliata var. ciliata W. L. Jepson 1922-4-2 9593 San Joaquin Tracy Comment
  JEPS2262  Phacelia ciliata var. ciliata A. D. Tenney 1915-3-30 San Joaquin Tracy Comment
  UC672412  Phacelia ciliata var. ciliata H. L. Mason 1932-3-19 6830 San Joaquin 2 mi e Midway Comment
  UC702962  Phacelia ciliata var. ciliata John Thomas Howell 1929-3-27 4106 San Joaquin 4 mi w Tracy Comment
  JEPS2180  Phacelia distans W. L. Jepson 1896-6-27 21013 San Joaquin between Mossdale School and Atlanta (plains e of river) Comment
  JEPS2341  Phacelia douglasii R. F. Hoover 1938-4-9 3037 San Joaquin Hill between Castle Rock and Black Butte (lower part of Corral Hollow); Corral Hollow Comment
  UC596134  Phacelia douglasii R. F. Hoover 1938-2-27 2800 San Joaquin Castle Rock Corral Hollow (type locality) Comment
  JEPS2048  Phacelia fremontii W. L. Jepson 1922-4-2 9566 San Joaquin Corral Hollow Mt. Hamilton Range (w San Joaquin Co.) Comment
  JEPS2050  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  UC767516  Phacelia fremontii R. F. Hoover 1938-4-9 3032 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  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
  POM65418  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin Tracy. Comment
  RSA21452  Phacelia tanacetifolia Carl B. Wolf 1937-3-31 8386 San Joaquin San Joaquin Valley, half a mile north of Vernalis. 30 Comment
  RSA428228  Phacelia tanacetifolia E. E. Stanford 1930-5-5 1252 San Joaquin Near Lathrop Comment
  UC107558  Phacelia tanacetifolia K. Brandegee May 1889 San Joaquin Tracy Comment
  UC75125  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin along ridges Tracy Comment
  CDA40451  Phacelia tanacetifolia T. C. Fuller 1962-4-24 8213 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCD88162  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Terminous. Lyons ranch. Comment
  CAS-BOT-BC265839  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD88505  Phalaris arundinacea Beecher Crampton 1965-7-12 7455 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD88507  Phalaris arundinacea William N. Helphinstine 1967-11-8 s.n. San Joaquin Around Stockton. Comment
  SEINET10657332  Phalaris arundinacea E. E. Stanford 1927-5-28 Stanford 449 San Joaquin In mud near San Joaquin River. Louis Park. Stockton Comment
  CAS-BOT-BC259036  Phalaris lemmonii E. E. Stanford 1930-4-12 1284 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton Comment
  CAS-BOT-BC259037  Phalaris lemmonii E. E. Stanford 1927-4-24 190 San Joaquin Near Stockton Comment
  POM356906  Phalaris lemmonii E. E. Stanford 1930-5-3 1466 San Joaquin Near Stockton Comment
  UC188923  Phalaris lemmonii Mr. Sanford 81 San Joaquin Stockton Comment
  UC50716  Phalaris lemmonii F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  SEINET3561052 Image available Phalaris minor Unknown 1945-4-22 s.n. San Joaquin Waysides near Stockton. Comment
  JEPS100755  Phalaris paradoxa Dean W. Taylor 1999-5-20 17156 San Joaquin Highway 4 2.5 miles East of Jack Tone Road junction (J5) 30 Comment
  JEPS1846  Pholistoma membranaceum W. L. Jepson 1922-4-2 9585 San Joaquin Corral Hollow w. San Joaquin Co., Mt. Hamilton Range, Corral Hollow 182 Comment
  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
  POM354319  Phoradendron macrophyllum E. E. Stanford 1930-3-30 1193 San Joaquin Near Bellota. Comment
  UC6092  Phoradendron villosum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  CAS-BOT-BC250991  Phragmites australis Herbert L. Mason 1946-9-12 13123 San Joaquin Borden Highway halfway between Old River - Middle River Comment
  HSC28471  Phragmites australis J. D. Ackerman, A. M. Montalvo 1973-12-20 125 San Joaquin Between Hwy. 4 and Middle River town. Comment
  JEPS70615  Phragmites australis W. L. Jepson 1913-11-22 5687 San Joaquin Middle River, Lower San Joaquin 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
  UCD89842  Phragmites australis 1946-9-12 13123 San Joaquin Borden Highway, halfway between Old River and Middle River. Comment
  UCD89853  Phragmites australis Collector Unknown 1928-9-30 s.n. San Joaquin near Holt. Comment
  UC635115  Phyla lanceolata H. L. Mason 1929-9-9 5428 San Joaquin San Joaquin River delta Holt; San Joaquin River delta Comment
  UC635117  Phyla lanceolata Herbert L. Mason 1928-9-30 4954 San Joaquin near Holt (San Joaquin River Delta); 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
  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
  CDA3315  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CDA3320  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CAS-BOT-BC76963  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt. 15 Comment
  RSA25384  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt 16 Comment
  CAS-BOT-BC228022  Plagiobothrys L. R. Abrams 1923-3-31 9952 San Joaquin 4 miles from Manteca on Stockton Road Comment
  RSA20134  Plagiobothrys acanthocarpus Roxana S. Ferris 1938-4-15 9406 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  RSA8529  Plagiobothrys acanthocarpus J. T. Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  JEPS60925  Plagiobothrys austiniae W. L. Jepson 1938-4-14 18682 San Joaquin hills about headwaters of Goose Creek (ne part of co.) Comment
  CDA40685  Plagiobothrys bracteatus T. C. Fuller 1962-5-1 8293 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  POM63833  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy. Comment
  UC25042  Plagiobothrys canescens J. A. Sanford 1890-1 96 San Joaquin French Camp 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
  UC604931  Plagiobothrys canescens Roxana S. Ferris 1938-4-15 9406 San Joaquin near gravel pit at the mouth of Corral Hollow Corral Hollow Comment
  CAS-BOT-BC6466  Plagiobothrys infectivus Robert Francis Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC573081  Plagiobothrys infectivus H. L. Mason 1932-3-19 6829 San Joaquin Tracy Hwy 2 mi e Midway Comment
  UC766183  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon; ; Lower Hospital Canyon, San Joaquin Co. Comment
  UCR62340  Plagiobothrys leptocladus L. F. LaPre 1990-5-8 s.n. San Joaquin Borden Ranch, Mackville Rd, 1-2 mi north of Liberty Rd; c. 7 miles north of Clements 70 Comment
  UCR70798  Plagiobothrys nothofulvus E. E. Stanford 1928-3-20 0816 San Joaquin Near Peters Comment
  UC24557  Plagiobothrys reticulatus J. A. Sanford 1890-1 San Joaquin Waverly Comment
  UC762854  Plagiobothrys reticulatus R. F. Hoover 1937-4-23 1925 San Joaquin 7 mi e Stockton 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
  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
  CDA19659  Plagiobothrys stipitatus var. micranthus G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1174 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  POM64764  Plagiobothrys stipitatus var. micranthus C. F. Baker 1903-4-27 2788 San Joaquin Bethany. Comment
  UC1063813  Plagiobothrys stipitatus var. micranthus R. D. Roseberry 1935-5-16 183 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  RSA80160  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1930-04 s.n. San Joaquin Northern part of the county. Comment
  UC59632  Plagiobothrys tenellus Mrs. Bush March, 1903 San Joaquin Lathrop Comment
  UC24574  Plagiobothrys trachycarpus J. A. Sanford 1890-1 100 San Joaquin French Camp Comment
  CHSC79271  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  CAS-BOT-BC60818  Planodes virginica John Thomas Howell 1930-4-12 4684 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  JEPS37917  Plantago elongata John Thomas Howell 1935-4-1 2096 San Joaquin e end Corral Hollow Comment
  JEPS7107  Plantago elongata R. F. Hoover 1935-3-1 250 San Joaquin w of Ripon (San Joaquin River bridge); San Joaquin River Comment
  UC28004  Plantago elongata J. A. Sanford 1890-1 116 San Joaquin Waverly Comment
  OBI64495  Plantago elongata David J. Keil 2005-3-13 30356 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 m NE of Mokelumne River bridge 82 Comment
  JEPS6410  Plantago erecta W. L. Jepson 1922-4-2 9557 San Joaquin mouth of Corral Hollow, w San Joaquin County Mt. Hamilton Range 152 Comment
  OBI60004  Plantago erecta Joseph Andorfer Ewan 1934-3-4 8615 San Joaquin 2 mi E Carnegie, Corral Hollow Comment
  JEPS7189  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin Corral Hollow, Black Butte at lower end Black Butte, Corral Hollow Comment
  UC596329  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  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-BC91961  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin 0.5 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC91963  Platystemon californicus Alice Eastwood; John Thomas Howell 1935-4-7 2098 San Joaquin East end of Corral Hollow. Comment
  CAS-BOT-BC91964  Platystemon californicus Alice Eastwood 1917-4-2 s.n. San Joaquin Banta. Comment
  UC604925  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin on the Livermore Road 1/2 mi w mouth of Corral Hollow; w of mouth of Corral Hollow 152 Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  RSA445722  Platystemon californicus var. californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles SE of Stockton Comment
  RSA181576  Plectritis macrocera subsp. macrocera W. R. Ernst 1961-4-1 759 A San Joaquin Along Navajo Creek, south of Navajo Public Camp. Comment
  UCD33072  Pleuropogon californicus Beecher Crampton 1966-5-3 7683 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UC571025  Pluchea odorata var. odorata H. L. Mason 1929-9-9 5419 San Joaquin Holt Comment
  JEPS76013  Poa annua W. L. Jepson 1937-4-23 18013 San Joaquin ca. 5 mi. s.e. Stockton (on Farmington rd.) Comment
  UCR207842  Poa annua George K. Helmkamp, E. A. Helmkamp 2009-3-26 14454 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCD90656  Poa bulbosa Beecher Crampton 1975-4-16 9150 San Joaquin along State Hwy. 88. Northeastern part of the county. Comment
  CAS-BOT-BC254652  Poa douglasii J. W. Congdon 1889-8-31 s.n. San Joaquin Stockton Comment
  SEINET10602238  Poa nevadensis Charles F. Baker 1903-4-25 Baker 2776 San Joaquin Tracy, Ca. Large tufts in bottoms. Comment
  CAS-BOT-BC247260  Poa palustris E. E. Stanford 1927-4-27 200 San Joaquin Louis Park. On San Joaquin River banks Comment
  UCD96924  Poa secunda Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6959 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CAS-BOT-BC236340  Poa secunda subsp. secunda Alice Eastwood; John Thomas Howell 1935-4-7 2092 San Joaquin E end of Corral Hollow Comment
  UC157040  Poa secunda subsp. secunda C. F. Baker 1903-4-25 2776 San Joaquin Tracy Comment
  JEPS13211  Pogogyne douglasii Rimo Bacigalupi with G. T. Robbins 1955-5-5 4991 San Joaquin along roadside from Stockton to Peters. 1 1/2 miles southwest of Peters 25 Comment
  JEPS62437  Pogogyne douglasii Joseph P. Tracy 1921-5-25 5793 San Joaquin Farmington, San Joaquin Valley 30 Comment
  POM161949  Pogogyne douglasii Joseph P. Tracy 1921-5-25 5793 San Joaquin Farmington. 30 Comment
  UC762121  Pogogyne douglasii Robert F. Hoover 1935-6-12 647 San Joaquin Farmington Comment
  RSA424572  Pogogyne douglasii E. E. Stanford 1928-5-5 946 San Joaquin Near Peters Comment
  UC570730  Pogogyne zizyphoroides Herbert L. Mason 1928-5-3 4448 San Joaquin 4 miles north of Clements 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
  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
  UCR253615  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20075 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC414349  Polygonum californicum Mrs. H. C. Cantelow 1935-5-14 826 San Joaquin Bet. Lodi and San Andreas 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
  JEPS74997  Polygonum hydropiper L. R. Heckard and P. Rubtzoff 1971-9-15 2806 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  UC1101178  Polygonum hydropiperoides Herbert L. Mason 1928-9-30 4971 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  POM312910  Polygonum hydropiperoides H. L. Mason 1928-9-30 4971 San Joaquin San Joaquin Delta near Holt. Comment
  JEPS33278  Polygonum lapathifolium Rimo Bacigalupi, and L. Constance 1962-8-13 8716 San Joaquin e side of river just n bridge of the Durham Ferry Road (just n of site of San Joaquin City); San Joaquin River 3 Comment
  UC465851  Polygonum lapathifolium Harriet A. Walker 1907-9-8 928 San Joaquin Lathrop Comment
  UC6723  Polygonum lapathifolium J. Burtt Davy 1893-9-13 1182 San Joaquin Stockton 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
  JEPS77904  Polygonum persicaria Edward Lee 1934-7-4 956 San Joaquin Holt Comment
  CDA22848  Polygonum punctatum M. Switzenberg 1958-9-24 San Joaquin W. Oleander Avenue, San Joaquin. 0 Comment
  JEPS74999  Polygonum punctatum L. R. Heckard and P. Rubtzoff 1971-9-15 2805 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  JEPS77906  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  JEPS77907  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  UC580083  Polygonum punctatum Ira L. Wiggins 1934-7-28 6941 San Joaquin ditch at roadside 3.2 mi e Escalon Comment
  POM147807  Polygonum punctatum E. E. Stanford 1926-10-19 68 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  UC60910  Polygonum punctatum N. K. Berg 1903-12-12 San Joaquin Rough and Ready <Isl.?> San Joaquin <?> Comment
  UC6656 Image available Polygonum ramosissimum J. Burtt Davy 1893-11-13 1199 San Joaquin Stockton Comment
  CAS-BOT-BC71852  Polypodium californicum Genevieve Prlain 1976-5-2 s.n. San Joaquin county park on Mokelumne River below Camanche Dam 27 Comment
  CAS-BOT-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
  SEINET10602410  Polypogon interruptus E. E. Stanford 1930-5-10 Stanford 1469 San Joaquin French Camp Rd. near Summer Home. Along irrigating ditch. Comment
  CAS-BOT-BC232554  Polypogon monspeliensis E. E. Stanford 1926-10-23 80 San Joaquin Stockton. On campus Comment
  POM147757  Polypogon monspeliensis E. E. Stanford 1927-4-27 199 San Joaquin Louis Park, Stockton. Comment
  UCD91324  Polypogon monspeliensis G. F. Hrusa; S. A. Wagner 1992-7-8 9152 San Joaquin Caswell Memorial State Park. Comment
  UCR128230  Polypogon monspeliensis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  CDA20543  Pontederia cordata F. Zarate 2005-7-1 PDR 1349506 San Joaquin San Joaquin Delta; 14 Mile Slough, outside of Stockton, E of I-5. 0 Comment
  CAS-BOT-BC102642  Populus fremontii Peter H. Raven; R. Ornduff; et al. 1957-3-30 10557 San Joaquin Corral Hollow Comment
  CAS-BOT-BC102643  Populus fremontii Alice Eastwood; John Thomas Howell 1935-2-24 1951 San Joaquin Corral Hollow Comment
  UCD110628  Populus fremontii subsp. fremontii G. F. Hrusa; S. A. Wagner 1992-4-22 9244 San Joaquin Caswell Memorial State Park, more along the Stanislaus River banks. Comment
  UC127961  Portulaca oleracea Harriet A. Walker 1907-9-8 925 San Joaquin Lathrop, near RailRoad Station Lathrop Comment
  CDA19210  Potamogeton crispus R. Woolstrum 2001-4-3 PDR 005387 San Joaquin In pond at 1237 Jackson Rd., Lodi. 0 Comment
  UC1099894  Potamogeton crispus Herbert L. Mason, Verne Grant 1946-8-21 13068 San Joaquin sw of Holt; Trapper's Slough Comment
  CAS-BOT-BC452127  Potamogeton crispus Herbert L. Mason; S. Galen Smith 1948-8-5 8269 San Joaquin Trapper's Slough, Robert's Island Comment
  POM313020  Potamogeton crispus H. L. Mason, Verne Grant 1946-8-21 13068 San Joaquin Trapper s Slough, SW of Holt, San Joaquin County Comment
  UCD138249  Potamogeton crispus G. F. Hrusa; S. A. Wagner 1992-8-9 9345 San Joaquin Caswell Memorial State Park. Comment
  UC1099870  Potamogeton foliosus Herbert L. Mason, Verne Grant 1946-8-21 13059 San Joaquin w of Stockton (on Borden Highway) Comment
  UC1106903  Potamogeton illinoensis Herbert L. Mason 1938-8-26 12073 San Joaquin Trappers Slough; Roberts Island Comment
  UC766953  Proboscidea louisianica subsp. louisianica Robert F. Hoover 1936-7-31 1583 San Joaquin Farmington Comment
  RSA0014809  Proboscidea louisianica subsp. louisianica Roxana S. Ferris, R. C. Bacigalupi 1951-8-25 12445 San Joaquin Between Stockton and Farmington on State Highway 4, 4 mi. from junction with US Highway 99. Comment
  SD239813  Proboscidea lutea George K. Helmkamp, E. A. Helmkamp 2011-10-15 18438 San Joaquin San Joaquin Valley: along CA-4, 0.4 mile east of Farmington (Farmington 7.5'Q) 41 Comment
  UC1039794  Proboscidea lutea Herbert L. Mason 1929-9-9 5429 San Joaquin Holt; reclaimed delta lands Comment
  UCD113158  Prunus G. F. Hrusa 1992-8-26 9562 San Joaquin Caswell Memorial State Park. Comment
  UC990724  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin between Everett School and intersection with Bellota-Farmington road (ca 1 mi w of intersection) Comment
  CAS-BOT-BC356989  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin On road between Everett School and intersection with Bellota-Farmington Road, ca. 1 mile W of intersection Comment
  UC468793  Pseudognaphalium stramineum Harriet A. Walker 1907-9-8 915 San Joaquin Lathrop Comment
  UC61017  Pseudognaphalium stramineum N. K. Berg 1903-11-28 San Joaquin Rough and Ready Island Comment
  CAS-BOT-BC357573  Pseudognaphalium stramineum E. E. Stanford 1926-10-7 41 San Joaquin Stockton. Calavers R. bottom Comment
  UCD33077  Psilocarphus brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  UCR132386  Psilocarphus brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  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
  CHSC79255  Psilocarphus brevissimus var. brevissimus Beecher Crampton 1966-5-3 7689 San Joaquin Ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  JEPS12798  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with G. T. Robbins 1955-5-5 4999 San Joaquin near Peters Dump (1 1/2 mi s of Peters, along road to Farmington) 33 Comment
  JEPS40456  Psilocarphus brevissimus var. brevissimus W. L. Jepson 1937-4-23 18009 San Joaquin on Farmington Road c 5 mi se Stockton Comment
  JEPS40491  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1937-4-23 1923 San Joaquin 7 mi e Stockton Comment
  UC694151  Psilocarphus brevissimus var. brevissimus H. L. Mason 1932-4-24 6968 San Joaquin 11 mi s Clements Comment
  CAS-BOT-BC361806  Psilocarphus brevissimus var. brevissimus Barrett Anderson 1987-7-7 3554 San Joaquin Farmington Canal site along Escalon-Bellota Road near Farmington 35 Comment
  JEPS40502  Psilocarphus oregonus R. F. Hoover 1937-4-23 1922 San Joaquin 7 mi e Stockton Comment
  UC768472  Pterostegia drymarioides R. F. Hoover 1938-4-9 3046 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  HSC8271  Quercus douglasii D. A. Shally 1965-4-10 8 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  CDA19501  Quercus lobata M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 201 San Joaquin Sacramento Valley; On Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  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
  JEPS37841  Quercus lobata W. L. Jepson 1923-10-22 10278 San Joaquin Union Island Lower San Joaquin 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
  UCD73478  Quercus lobata G. F. Hrusa 1992-8-25 9546 San Joaquin Caswell Memorial State Park. Comment
  UCR253500  Quercus lobata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20076 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCD47110  Quercus palustris D. Q. Cavagnaro 1963-10-13 219 San Joaquin In ca. 1 mile long line of this species on south side of State Highway 12, outskirts of Lodi, San Joaquin County, California. Comment
  UCD47111  Quercus palustris D. Q. Cavagnaro 1963-10-13 220 San Joaquin In ca. 1 mile long line of trees of this species on south side of State Highway 12, outskirts of Lodi, San Joaquin County, California. Comment
  UC405352  Quercus wislizeni W. P. Taylor 1912-3-29 San Joaquin Tracy Lake Comment
  UCR143145  Quercus wislizeni L. S. Rose 1936-3-16 36023 San Joaquin Central Valley, Lockeford [NE of Lodi] 61 Comment
  UCR253569  Quercus wislizeni var. wislizeni George K. Helmkamp 2014-3-18 22584 San Joaquin Eastern San Joaquin Valley, Collier Road, 0.2 mile west of its junction with CA-88, c. 2 miles west of Comanche Reservoir 43 Comment
  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
  CAS-BOT-BC378945  Ranunculus californicus var. californicus 1927-3-24 119 San Joaquin Stockton Comment
  POM146098  Ranunculus canus E. E. Stanford 1927-3-24 119 San Joaquin San Joaquin County: Stockton Comment
  CDA15513  Ranunculus muricatus Tom Watkins 1999-4-28 PDR 1098791 San Joaquin San Joaquin Valley; Wagner Dairy, 22167 Skiff Rd., Escalon. 28 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
  UCR242783  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15830 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
  CDA24349  Ranunculus sceleratus J. Solari 1974-5-1 San Joaquin Along Fine Road between Milton Road & the Southern Pacific Railroad tracks, Peters. 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
  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
  UC764964  Ribes aureum Robert F. Hoover 1935-3-1 245 San Joaquin 5 mi sw Ripon Comment
  CAS-BOT-BC92422  Ribes aureum var. gracillimum John Thomas Howell 1938-4-10 13760 San Joaquin Hospital Canyon. Comment
  SBBG41738  Ribes aureum var. gracillimum P. Rubtzoff 1965-4-6 5519 San Joaquin Garden Rd, 0.5 mi S of Division Rd (Tracy-Ripon area) Comment
  CDA25545  Ribes menziesii var. leptosmum T. C. Fuller 1971-4-22 19843 San Joaquin North slope of Mt. Bordman. 0 Comment
  CAS-BOT-BC217939  Ribes quercetorum Alice Eastwood; John Thomas Howell 1938-5-24 5794 San Joaquin Hospital Canyon Comment
  CDA25563  Ribes quercetorum T. C. Fuller 1962-4-24 8217 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA25565  Ribes quercetorum T. C. Fuller 1971-4-21 19838 San Joaquin Inner Coast Ranges; Lone Tree Creek Canyon. 0 Comment
  UCD108418  Robinia pseudoacacia G. F. Hrusa 1992-8-26 9533 San Joaquin Caswell Memorial State Park. Comment
  RSA431543  Rorippa curvisiliqua E. E. Stanford 1930-4-18 1360 San Joaquin Thornton Road. Comment
  CDA25136  Rorippa palustris var. occidentalis Croce 1962-3-16 San Joaquin Woodbridge Irrigation district. 0 Comment
  CAS-BOT-BC74799  Rorippa palustris var. palustris Peter Rubtzoff 1965-7-13 5576 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  CAS-BOT-BC147611  Rosa californica Ira L. Wiggins 1964-5-26 19018 San Joaquin San Joaquin River, between Tracy & Manteca Comment
  UC114693  Rosa californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UCD96872  Rostraria cristata Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6926 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
  UC61019  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UC66824  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UCD114008  Rubus ursinus G. F. Hrusa; S. A. Wagner 1992-4-22 9294 San Joaquin Caswell Memorial State Park. 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
  UCD89035  Rubus ursinus Lindsay Clark 2008-5-8 CSP 21 San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Growing at end of parking lot on the right, near the curb. 20 Comment
  JEPS58036  Rumex W. L. Jepson 1913-11-22 5699 San Joaquin Middle River San Joaquin Delta Comment
  UC465804  Rumex conglomeratus J. A. Sanford 46 San Joaquin Comment
  CAS-BOT-BC421722  Rumex conglomeratus E. E. Stanford 1930-5-31 1548 San Joaquin North of Stockton Comment
  CAS-BOT-BC421723  Rumex conglomeratus John Thomas Howell 1930-9-28 5521 San Joaquin Holt Comment
  UCD101144  Rumex crispus G. F. Hrusa; S. A. Wagner 1992-4-22 9287 San Joaquin Caswell Memorial State Park. Upper reaches of the beach at the easternmost end of the park. Comment
  CAS-BOT-BC433494  Rumex fueginus Peter Rubtzoff 1965-7-27 5585 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UC935759  Sagittaria latifolia Herbert L. Mason 1928-9-30 4960 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta near Holt Comment
  UC935760  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 693 San Joaquin 1/4 mi w Stockton Comment
  CAS-BOT-BC445815  Sagittaria montevidensis Ira L. Wiggins 1934-7-28 6943 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
  UC935751  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-8-21 13057 San Joaquin between Banta and Stockton Comment
  SEINET8470474 Image available Sagittaria montevidensis subsp. calycina Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 miles east of Escalon Comment
  RSA26735  Sagittaria sanfordii Roxana S. Ferris 1940-6-1 9842 San Joaquin Slough about 3 miles west of Lockford on Stockton-Lockford road. Comment
  UC549  Sagittaria sanfordii J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  UC550  Sagittaria sanfordii J. A. Sanford Sept 1901 San Joaquin Stockton Comment
  CAS-BOT-BC129666  Salix bonplandiana E. E. Stanford 1928-3-29 836 San Joaquin Calaveras River Comment
  CAS-BOT-BC129668  Salix bonplandiana Herbert F. Copeland 1935-4-28 s.n. San Joaquin South Fork of Mokelumne River Comment
  CAS-BOT-BC129667  Salix bonplandiana E. E. Stanford 1929-3-26 1019 San Joaquin San Joaquin River Comment
  RSA181501  Salix exigua I. L. Wiggins 1964-5-26 19017 San Joaquin Beside old channel of San Joaquin River. Between Tracy and Manteca. Comment
  UCSC000172  Salix exigua R. D. Roseberry 1935-5-13 166 San Joaquin Mokelumne River at county line - Jackson 61 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
  UC1134898  Salix exigua var. hindsiana R. D. Roseberry 1935-5-13 162 San Joaquin Mokelmune R., Plot #118 Jackson Quadrangle 60 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
  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
  CAS-BOT-BC107860  Salix gooddingii E. E. Stanford 1930-4-12 1275 San Joaquin Near Manteca Comment
  UC1134876  Salix gooddingii R. D. Roseberry 1935-5-14 177 San Joaquin 3 mi s.w Bald Mt.; Jackson Quadrangle Comment
  UC437352  Salix gooddingii J. A. Sanford 68 San Joaquin Stockton Comment
  UC437353  Salix gooddingii J. A. Sanford San Joaquin Stockton Comment
  UCD110958  Salix gooddingii G. F. Hrusa; S. A. Wagner 1992-4-22 9251 San Joaquin Caswell Memorial State Park. South side of Stanislaus River. Comment
  CAS-BOT-BC108238  Salix hindsiana E. E. Stanford 1928-4-30 942 San Joaquin Stockton, in sand in Calaveras River bottom Comment
  CAS-BOT-BC108240  Salix hindsiana E. E. Stanford 1927-4-20 166 San Joaquin Near Stockton, along Calaveras River Comment
  CAS-BOT-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-BC108245  Salix hindsiana Brian Atwater 1978-8-31 BA- 127 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
  UCR63938  Salix laevigata L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC125361  Salix lasiandra var. lasiandra E. E. Stanford 1930-4-28 1449 San Joaquin Bank of San [Joquin] Joaquin River near Stockton Comment
  POM147995  Salix lasiolepis E. E. Stanford 1928-2-6 779 San Joaquin Near Stockton. Near Calaveras River. Comment
  POM281348  Salix lasiolepis Lyman D. Benson 1932-2-22 2594 San Joaquin Walnut Grove. N fork Mokelumne River. Near sea level. 0 Comment
  UC499335  Salix lasiolepis Annetta M. Carter 1933-3-12 267 San Joaquin 0.8 mi sw Holt (by slough) Comment
  UC499336  Salix lasiolepis Annetta M. Carter 1933-3-12 268 San Joaquin 0.8 mi sw Holt (by slough) Comment
  UC499337  Salix lasiolepis Annetta M. Carter 1933-3-12 269 San Joaquin 0.5 mi sw Holt (by slough) Comment
  UCD111624  Salix lasiolepis G. F. Hrusa; S. A. Wagner 1992-3-22 9062 San Joaquin Caswell Memorial State Park. Stanislaus River. 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
  UCR232200  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17072 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  CAS-BOT-BC107369  Salix lasiolepis var. lasiolepis E. E. Stanford 1927-2-27 94 San Joaquin Stockton, Calaveras River Bottom Comment
  RSA0038367  Salix sessilifolia var. hindsiana E. E. Stanford 1928-4-30 943 San Joaquin Calaveras River. Comment
  CDA5801  Salpichroa origanifolia H. D. Bowers 1959-10-7 San Joaquin Near Stockton. 0 Comment
  CDA20235  Salsola australis P. Akers 2003-10-3 B 106 San Joaquin San Joaquin Valley; N of Tracy, 0.25 mi NW of old Holly Sugar plant at Sugar and Holly Rds. 0 Comment
  CDA20576  Salsola australis P. Akers 2005-8-18 s.n. San Joaquin Sacramento Valley; Whiskey Slough, Holt. 0 Comment
  CDA9299  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18527 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA9300  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18528 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  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
  CDA20621  Salsola tragus G. F. Hrusa 2005-11-14 16840 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  CDA20808  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. at bridge just S of 8 Mile Rd. 0 Comment
  CDA20809  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Roadside colony at bridge just S of 8 Mile Rd. Annual, 3 ft. tall and as wide. Seed collection voucher RT05-24a. 0 Comment
  SD243327  Salsola tragus G. F. Hrusa 2005-11-14 16842 San Joaquin Davis Road. A+- 200 ft South of 8 Mile Road, E of Interstate 5 A+- 1.5 mile. 7 Comment
  UCR247343  Salsola tragus Pat Akers 2002-10-9 RT- 021 -01 San Joaquin Just east if I-5 on Iron Canyon Circle at Windcave Rd., between Pixley Slough and Bear Creek, 7 miles NW of Stockton 12 Comment
  CAS-BOT-BC180691  Salsola tragus E. E. Stanford 1927-8-18 679 San Joaquin Waste field near Mormon Channel, Stockton Comment
  CAS-BOT-BC180694  Salsola tragus Alice Eastwood 1930-5-10 17968 San Joaquin Los Banos Bird Reserve Comment
  RSA444946  Salsola tragus E. E. Stanford 1930-5-28 1527 San Joaquin Lincoln Highway near French Camp 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
  UC762495  Salvia carduacea R. F. Hoover 1938-4-9 3052 San Joaquin lower end Corral Hollow Comment
  UC614853  Salvia columbariae Beryl O. Schreiber 1932-3-29 143 San Joaquin near Midway Comment
  UC762477  Salvia columbariae R. F. Hoover 1937-3-19 2817 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UCR257999  Salvia hispanica Franz R. Kegel 1976-1 s.n. San Joaquin Stockton, weed in backyard garden 8 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
  UCD137643  Sambucus nigra subsp. caerulea G. F. Hrusa; S. A. Wagner 1992-4-24 9291 San Joaquin Caswell Memorial State Park. Comment
  UC2043150  Schismus arabicus Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12450 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Pit 6 Study Area near Drop Tower, head of gulch opposite Carnegie State Vehicular Recreation Area. Comment
  CAS-BOT-BC111294  Schoenoplectus acutus var. occidentalis Brian Atwater 1976-8-31 BA- 126 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC7628  Schoenoplectus acutus var. occidentalis Verne Grant; Herbert L. Mason 1946-8-21 13070 San Joaquin Middle River Bridge, Victoria Island. Comment
  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-BC111449  Schoenoplectus californicus Brian Atwater 1978-9-16 BA- 143 San Joaquin Pristine tidal marsh and swamp inside a meander of Middle River. Comment
  RSA366088  Schoenoplectus fluviatilis Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  CAS-BOT-BC110878  Scirpus microcarpus Brian Atwater 1978-8-16 BA- 33 San Joaquin Old River between Quinby Island and Franks Tract Comment
  SEINET10602608  Scribneria bolanderi E. E. Stanford 1930-12-4 Stanford 1282 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton. Roadsides; out of range according to Jepson. Comment
  CAS-BOT-BC419677  Scutellaria galericulata Brian Atwater 1978-8-22 BA- 74 San Joaquin Between Victoria Island and Upper Jones Tract Comment
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Jul 22 2018
  CAS-BOT-BC419678  Scutellaria galericulata Brian Atwater 1978-8-18 BA- 47 San Joaquin Between Quinby Island and Franks Tract Comment
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Jul 22 2018
  CDA8591  Senecio breweri T. C. Fuller 1962-4-24 8220 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 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
  JEPS33283  Sesuvium verrucosum Rimo Bacigalupi and L. Constance 1962-8-13 8721 San Joaquin just n of town of Lathrop (along base of Southern Pacific Railway, just s of crossing of Lathrop Road); Southern Pacific Railway 5 Comment
  JEPS42888  Sesuvium verrucosum W. L. Jepson 1896-6-27 San Joaquin below Banta and Lathrop Comment
  JEPS78382  Sesuvium verrucosum Edward Lee 1934-7-4 963 San Joaquin Holt Comment
  UC1745567  Sesuvium verrucosum Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 681 San Joaquin Holt. Comment
  CAS-BOT-BC243639  Setaria pumila Herbert L. Mason; Verne Grant 1946-9-12 13127 San Joaquin Borden Highway near Dagget Road, Roberts Island Comment
  JEPS68543  Setaria pumila W. L. Jepson 1923-10-22 10276 San Joaquin Lower San Joaquin, Union Isl. Comment
  UCR123624  Setaria pumila Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  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
  UCR253541  Setaria sphacelata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20084 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  CAS-BOT-BC240164  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin Calaveras River basin, 2 miles northeast of Linden Comment
  UCD92814  Setaria verticillata Beecher Crampton 1956-7-31 3761 San Joaquin 1.5 miles south of city of Lodi, along State Highway 12. Comment
  CAS-BOT-BC240205  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Along State Hwy. 12 about 5 miles southwest of Lodi Comment
  RSA115223  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 mi southwest of Lodi Comment
  UCD38670  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Comment
  UCR132389  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Central Valley, 5 miles southwest of Lodi 6 Comment
  JEPS54273  Sibara virginica J. A. Sanford 1890-1 340 San Joaquin Stockton Comment
  JEPS88942  Sibara virginica J. Burtt Davy 1893-11-13 San Joaquin Stockton Comment
  UC10148  Sibara virginica J. A. Sanford 1890-1 340 San Joaquin Stockton Comment
  UC18868  Sidalcea diploscypha J. A. Sanford 1890-1 349 San Joaquin Stockton Comment
  UC1330004  Sidalcea hirsuta Beecher Crampton 1966-5-3 7692 San Joaquin ca 3.5 mi nnw Clements (Liberty Road); nnw of Clements, Liberty Road Comment
  UC18891  Sidalcea hirsuta F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UCD116577  Sidalcea hirsuta Marvin L. Nies 1951-5-4 55 San Joaquin 7 miles east of Lodi on Harney Lane. Comment
  CAS-BOT-BC386889  Silene gallica Gladys L. Smith 1959-5-1 1062 San Joaquin near Wallace, Hwy. 12 60 Comment
  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
  UC764840  Sinapis arvensis Robert F. Hoover 1935-3-1 296 San Joaquin Vernalis Comment
  SD240949  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2012-4-7 18723 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs 7.5'Q) 52 Comment
  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
  UCD115727  Sisymbrium officinale G. F. Hrusa; S. A. Wagner 1992-4-22 9317 San Joaquin Caswell Memorial State Park, in the main trail to the west of the Hidden Lake. Comment
  POM146139  Sisyrinchium bellum E. E. Stanford 1927-4-12 144 San Joaquin Near Stockton. Comment
  UC21391  Sium suave Edw. L. Greene 1890-1 San Joaquin Stockton Comment
  UC592177  Sium suave H. L. Mason 1929-9-21 5444 San Joaquin Holt Comment
  JEPS12057  Solanum americanum W. L. Jepson 1923-10-22 10271 San Joaquin lower San Joaquin River, Union Island San Joaquin River; Union Island, San Joaquin River Comment
  UC204935  Solanum americanum Dr. Edward Palmer Aug 22 1892-Aug 23 1892 2689 San Joaquin near Tracy Comment
  UC26218  Solanum americanum J. A. Sanford 1890-1 57 San Joaquin Stockton Comment
  UCD126007  Solanum americanum G. F. Hrusa; S. A. Wagner 1992-4-22 9247 San Joaquin Caswell Memorial State Park. Comment
  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
  RSA18393  Solanum douglasii Carl B. Wolf 1927-6-23 514 San Joaquin 1 mile east of Rippon [Ripon], Stanislaus River Bottom. Comment
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Sep 17 2012
  CAS-BOT-BC156488  Solanum umbelliferum A. Eastwood; J. T. Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  RSA179725  Solanum umbelliferum J. T. Howell 1930-9-28 5512 San Joaquin Holt Comment
  UC884946  Solanum umbelliferum Alice Eastwood, John Thomas Howell 1938-4-18 5074 A San Joaquin Hospital Canyon 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
  UC88137  Solidago elongata K. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  CDA39031  Solidago velutina subsp. californica D. G. Kelch 2011-10-4 11 .835 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UC36501  Solidago velutina subsp. californica Michener and Bioletti Sept 1892 San Joaquin San Joaquin Bridge Comment
  UCR201922  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14235 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR233207  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15834 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  CAS-BOT-BC374570  Sonchus oleraceus E. E. Stanford 1927-3-29 126 San Joaquin Stockton 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
  UCD92635  Sorghum halepense Collector Unknown 1922-3-30 s.n. San Joaquin Stockton. Comment
  UCD92665  Sorghum halepense G. F. Hrusa; S. A. Wagner 1992-8-9 9365 San Joaquin Caswell Memorial State Park. Comment
  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
  UCR232267  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17079 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  SEINET7040101  Spergularia arvensis A. G. Vestal 1963-5-27 s.n. San Joaquin Ca 7.7 miles east of Linden on Route 8. Valley Springs SW Quad. UTM Zone 10, 675782mE, 4215039mN. Comment
  CAS-BOT-BC390075  Spergularia atrosperma Roxana S. Ferris 1938-4-15 9412 San Joaquin Near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  CAS-BOT-BC390076  Spergularia atrosperma G. T. York 1935-4-2 s.n. San Joaquin South slope about 3 mi up the canyon, Corral Hollow Comment
  RSA0098417  Spergularia macrotheca var. leucantha E. E. Stanford 1927-4-12 150 San Joaquin Near Stockton. Comment
  RSA0097696  Spergularia salina Flossie Draper 1928-4-26 157 San Joaquin Campus, Stockton. Comment
  RSA483232  Sporobolus airoides E. E. Stanford 1930-5-31 1539 San Joaquin Durham Ferry Road. Comment
  UC767693  Sporobolus airoides R. F. Hoover 1937-5-18 2180 San Joaquin near Lathrop Comment
  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
  UCD33007  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  UCD93112  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  UCD93113  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  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
  CDA2512  Sporobolus indicus T. C. Fuller 1971-1-29 19812 San Joaquin Dayton Johnson property, west side of Atkins Road, 1.3 miles south of Hwy 88, 1.5 miles southwest of Clements. 0 Comment
  CDA2522  Sporobolus indicus J. F. Silva 1963-7-25 San Joaquin George Stockton property, Grooms Road, ca. 5 miles northeast of Escalon. 0 Comment
  UCD78015  Sporobolus indicus Robert E. Preston 2004-9-3 2292 San Joaquin Ca. 9.9 miles NE of Lodi, along Liberty Rd, 0.1 mile E of Coyote Creek 30 Comment
  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
  RSA18401  Stachys Carl B. Wolf 1927-6-23 503 San Joaquin 1 mile west of San Joaquin River, between Tracy and Manteca. Comment
  UC25914  Stachys ajugoides var. ajugoides J. A. Sanford 1890-1 2 San Joaquin Stockton Comment
  JEPS62977  Stachys albens W. L. Jepson 1913-11-22 5697 San Joaquin Middle River Lower San Joaquin Comment
  JEPS77913  Stachys albens Edward Lee 1934-7-4 967 San Joaquin Holt Comment
  UC635689  Stachys albens H. L. Mason 1929-9-9 5427 San Joaquin Holt Comment
  CDA41025  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  CDA41026  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  CDA41027  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  SEINET13948000 Image available Stachys albens George Neville Jones 1967-1 46097 San Joaquin along irrigation ditch near Manteca Comment
  CAS-BOT-BC374793  Stebbinsoseris heterocarpa Alice Eastwood; John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow 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
  CAS-BOT-BC393869  Stellaria media E. E. Stanford 1927-3-29 127 San Joaquin Stockton Comment
  SD240964  Stellaria pallida George K. Helmkamp, E. A. Helmkamp 2012-4-7 18726 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCR238411  Stellaria pallida George K. Helmkamp, E. A. Helmkamp 2012-4-7 18726 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UC217675  Stephanomeria virgata subsp. pleurocarpa Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC10879  Streptanthus glandulosus subsp. glandulosus W. H. Brewer 1268 San Joaquin towards head of Arroyo del Puerto Canyon Comment
  POM149332  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany, San Joaquin County Comment
  UCR208964  Stylomecon heterophylla C. F. Baker 1903-4-27 2819 San Joaquin Bethany Comment
  RSA135312  Suaeda moquinii Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  UC767689  Suaeda moquinii R. F. Hoover 1937-6-9 2395 San Joaquin 4 mi n Manteca Comment
  SJSU11815  Symphyotrichum lanceolatum var. hesperium E. D. Show 1971-11-20 169 San Joaquin bank of irrigation ditch 2 mi N of Escalon 36 Comment
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Aug 21 2007
  JEPS40850  Symphyotrichum spathulatum R. F. Hoover 1937-9-4 2719 San Joaquin 3 mi e Farmington Comment
  UC29902  Symphyotrichum spathulatum J. Burtt Davy 1893-6-13 1200 San Joaquin Stockton Comment
  JEPS31949  Symphyotrichum subulatum W. L. Jepson 1923-10-22 10273 San Joaquin Union Island Lower San Joaquin River, Union Island Comment
  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
  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
  JEPS31823  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9576 San Joaquin Corral Hollow Comment
  CAS-BOT-BC66608  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66609  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
  JEPS23934  Thysanocarpus curvipes unknown Mar 1883 San Joaquin Live Oaks Comment
  UC1055820  Thysanocarpus curvipes Frank W. Gould 1940-3-12 882 San Joaquin opposite Castle Rock (Corral Hollow); Mt. Hamilton Range, , oppos Castle Rovk 198 Comment
  RSA135601  Thysanocarpus curvipes var. curvipes Volney Rattan 1883-03 s.n. San Joaquin Live Oaks. Comment
  JEPS54223  Thysanocarpus radians W. L. Jepson 1929-4-28 15200 San Joaquin Clements , ne of Red Hills (ne of Red Hills) 60 Comment
  UCR232266  Thysanocarpus radians George K. Helmkamp, E. A. Helmkamp 2011-3-12 17078 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  RSA0041648  Thysanocarpus radians Russell S. Woglum 1941-4-27 2982 San Joaquin Lodi. 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
  SEINET3479092  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley, San Joaquin Valley Comment
  SEINET3479121  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley, San Joaquin Valley Comment
  UCD107420  Tribulus terrestris F. R. Whitehead 1931-9-1 s.n. San Joaquin Stockton. Comment
  UC36663  Trichocoronis wrightii var. wrightii F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC84144  Trichocoronis wrightii var. wrightii K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC84169  Trichocoronis wrightii var. wrightii Katharine Brandegee 1892-9-9 San Joaquin near Lathrop (County Bridge across the San Joaquin River (type locality of Biolettia riparia)) Comment
  UC84170  Trichocoronis wrightii var. wrightii Katharine Brandegee 1892-9-9 San Joaquin near Lathrop (County Bridge across the San Joaquin River (type locality of Biolettia riparia)) Comment
  RSA440712  Trichostema lanceolatum D. D. Keck 1931-10-18 1316 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  SBBG16092  Trichostema lanceolatum M. A. Piehl 1959-8-2 59496 San Joaquin St Hwy 88 ca. 1.5 mi from Amador Co line Comment
  UC555489  Trifolium albopurpureum var. dichotomum H. L. Mason 1932-3-19 6836 San Joaquin 2 mi e Midway Comment
  JEPS65791  Trifolium ciliolatum W. L. Jepson 1929-4-28 15190 San Joaquin Lockeford Comment
  POM248722  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
  RSA201402  Trifolium depauperatum var. amplectens Roxana S. Ferris 1938-4-15 9425 San Joaquin Corral Hollow-Livermore Road. Comment
  JEPS65729  Trifolium depauperatum var. truncatum W. L. Jepson 1929-4-28 15204 San Joaquin Clements 60 Comment
  UCD108953  Trifolium fragiferum W. A. Williams Date Unknown s.n. San Joaquin 4 miles S of Thornton. Comment
  UC16533  Trifolium fucatum J. A. Sanford 1890-1 71 San Joaquin Stockton Comment
  SEINET12147999  Trifolium fucatum E. E. Stanford 1927-1 117 San Joaquin Stockton, near Smith's Canal Comment
  POM146123  Trifolium fucatum var. fucatum E. E. Stanford 1927-3-23 117 San Joaquin Stockton. Comment
  POM349501  Trifolium fucatum var. fucatum E. E. Stanford 1928-3-15 805 San Joaquin Stockton. Comment
  OBI78211  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  POM18698  Trifolium gracilentum C. F. Baker 1903-04 5057 San Joaquin Tracy Comment
  RSA18942  Trifolium gracilentum Roxana S. Ferris 1938-4-15 9394 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  SEINET3131848  Trifolium gracilentum L. S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UC80533  Trifolium gracilentum Katharine Brandegee Apr 1889 San Joaquin Tracy Comment
  UC866780  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  UCD96867  Trifolium gracilentum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6922 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  SEINET3522793 Image available Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  UCD111415  Trifolium microcephalum G. F. Hrusa; S. A. Wagner 1992-4-22 9312 San Joaquin Caswell Memorial State Park. Comment
  RSA196325  Trifolium microdon E. E. Stanford 1928-4-19 892 San Joaquin Stockton. Comment
  UCD109357  Trifolium repens Morris Halperin 1930-7-15 s.n. San Joaquin County Hospital, French Camp. Comment
  UCD109366  Trifolium repens G. F. Hrusa; S. A. Wagner 1992-7-8 9145 San Joaquin Caswell Memorial State Park. Comment
  JEPS66057  Trifolium variegatum var. melananthum W. L. Jepson 1938-4-14 18679 San Joaquin headwaters Goose Creek Comment
  JEPS4177  Trifolium willdenovii W. L. Jepson 1929-4-28 15197 San Joaquin Clements Comment
  POM18863  Trifolium willdenovii C. F. Baker 1903-4-24 2773 San Joaquin Tracy. Comment
  RSA18943  Trifolium willdenovii Roxana S. Ferris 1938-4-15 9392 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  UC569835  Trifolium willdenovii C. M. Belshaw 1936-4-23 1967 San Joaquin 7 mi ssw Stone Corral; Jackson Quad. 121 Comment
  UC764728  Trifolium willdenovii R. F. Hoover 1935-3-18 374 San Joaquin w Ripon (San Joaquin River bridge) Comment
  UC968637  Trifolium willdenovii C. L. Hitchcock 1940-5-12 San Joaquin 3 mi s Galt Comment
  SJSU8002  Trifolium willdenovii H. T. Shishido 1961-4-8 San Joaquin near S side Mokeumne R c. 0.5 mi E of Clements Comment
  UC165496  Trifolium willdenovii J. Burtt Davy April 1897 3124 San Joaquin head of San Joaquin Valley Comment
  UCD109860  Trifolium willdenovii June McCaskill; Jack Major 1958-4-10 555 San Joaquin North side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camanche). 60 Comment
  UCD33921  Trifolium willdenovii Beecher Crampton 1975-4-16 9144 San Joaquin San Joaquin County, 3 miles north of Clements along Liberty road. Comment
  SEINET10458950  Triodanis biflora Sanford SANFORD 1890 -91 San Joaquin STOCKTON Comment
  SEINET7040049  Triphysaria eriantha A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  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
  UCR233289  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-3-29 17101 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  HSC20853  Triphysaria eriantha subsp. eriantha D. A. Shally 1965-4-10 5 San Joaquin 3 mi. E of Balota, Hwy. 26, Linden Rd. Comment
  UCR207837  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2009-3-26 14465 San Joaquin San Joaquin Valley, along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  CDA32749  Triphysaria versicolor subsp. faucibarbata J. B. Gianelli 1997-4-2 s.n. San Joaquin Angraves Estate, northeast corner of Liberty and Dustin roads, Acampo. 0 Comment
  JEPS64213  Triteleia hyacinthina W. L. Jepson 1929-4-28 15203 San Joaquin Clements 60 Comment
  RSA26985  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 16 Comment
  UC3280  Triteleia hyacinthina J. A. Sanford 1890-1 361 San Joaquin Waverley Comment
  UC843575  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 mi s Galt 15 Comment
  RSA641112  Triteleia hyacinthina R. S. Woglum 1941-4-27 2981 San Joaquin San Joaquin Valley: Lodi. . Comment
  UC3319  Triteleia laxa Mr. Cobb 1899-4-10 14 San Joaquin Tracy Comment
  RSA378048A  Triteleia laxa E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CDA2  Tropidocarpum capparideum T. C. Fuller 1962-4-2 8197 San Joaquin Tracy, between Shulte Rd. & R.R. tracks. 0 Comment
  JEPS54245  Tropidocarpum gracile W. L. Jepson 1922-4-2 9567 San Joaquin Corral Hollow Mt. Hamilton Range (flats along creek, w San Joaquin Co.) 152 Comment
  JEPS54259  Tropidocarpum gracile Benj. Cobb 1900-4-4 San Joaquin Tracy 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
  UC1561441  Tropidocarpum gracile Barbara Ertter with Dale McNeal 1986-3-14 5790 San Joaquin bank on n side of Tesla Rd (Rt J12) 3.5 mi w jct of I-580 (se of Livermore); Diablo Range, Corral Hollow 152 Comment
  UC762894  Tropidocarpum gracile Robert F. Hoover 1935-3-1 277 San Joaquin five mi se Tracy Comment
  CDA25275  Tropidocarpum gracile E. Baldwin 1929-4-28 San Joaquin East of Clements. 0 Comment
  RSA21455  Tropidocarpum gracile C. B. Wolf 1937-3-31 8389 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  CAS-BOT-BC200548  Tuctoria greenei R. F. Hoover 1936-6-11 1302 San Joaquin Farmington 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
  JEPS79582  Typha angustifolia Edward Lee 1934-7-4 969 San Joaquin Holt Comment
  UC128663  Typha angustifolia J. A. Sanford 1909-5-28 San Joaquin near Stockton Comment
  POM214946  Typha domingensis J. T. Howell 1932-10-16 10851 San Joaquin Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road. 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
  UC292  Typha latifolia J. A. Sanford 1890-1 181 San Joaquin W. Stockton 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
  UC450071  Urtica dioica subsp. gracilis N. K. Berg 1903-12-10 San Joaquin Rough and Ready Island 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
  UCD143426  Urtica dioica subsp. holosericea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  POM182807  Urtica dioica subsp. holosericea N. K. Berg 1903-12-10 s.n. San Joaquin Rough and Read Isl. Comment
  UC1125583  Utricularia macrorhiza B. Schreiber 1937-8-22 2460 San Joaquin Holt Holt Quad., Holt 30 Comment
  PASA38  Utricularia vulgaris Annetta M. Carter 1931-7-29 237 San Joaquin Holt Comment
  UCR63951  Verbascum blattaria L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCD124631  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. Comment
  JEPS11190  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  UC767424  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  UC139765  Verbena bracteata Katharine Brandegee Sept. 1907 San Joaquin near Lathrop; San Joaquin River Comment
  CDA15562  Verbena brasiliensis G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14893 San Joaquin Caswell Memorial State Park; Middle reaches of Fence Line trail. Comment
  JEPS39056  Verbena hastata W. L. Jepson 1913-11-22 5693 San Joaquin Middle River, lower San Joaquin delta Comment
  CDA15563  Verbena incompta G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14894 San Joaquin Caswell Memorial State Park. Middle reaches of Fence Line trail, edge of trail. Comment
  UC138821  Verbena litoralis J. W. Congdon 1903-9-2 San Joaquin Bouldin Island 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
  UCD125647  Verbena litoralis G. F. Hrusa 1992-8-26 9573 San Joaquin Caswell Memorial State Park. Comment
  UCD124655  Veronica americana G. F. Hrusa; S. A. Wagner 1992-8-9 9337 San Joaquin Caswell Memorial State Park. Comment
  UCR128231  Veronica anagallis-aquatica Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UCD124699  Veronica anagallis-aquatica G. F. Hrusa; S. A. Wagner 1992-7-8 9167 San Joaquin Caswell Memorial State Park; near Oxbow Lake. 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
  UC672495  Veronica peregrina subsp. xalapensis H. L. Mason 1929-4-7 5165 San Joaquin 10 mi e of Escalon Comment
  UCR249964  Veronica peregrina subsp. xalapensis George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20229 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  OBI64492  Veronica peregrina subsp. xalapensis David J. Keil 2005-3-13 30359 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 m NE of Mokelumne River bridge 82 Comment
  JEPS21856  Veronica persica Joe Zaerr 1958-5-3 99 San Joaquin Highway 88 e of Clements (Sacramento Valley); Sacramento Valley 152 Comment
  SEINET3828382  Veronica persica George K. Helmcamp, E. A. Helmkamp 2012-1 18727 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5') 52 Comment
  UCR143271  Veronica persica E. E. Stanford 1928-2-20 781 San Joaquin Sacramento Valley, Stockton 5 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
  UCR238398  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-4-7 18727 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCR238737  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-2-3 18523 San Joaquin San Joaquin Valley, Escalon-Bellota Road, 0.2 mile south of its junction with CA-26, NE of Linden 39 Comment
  POM147740  Veronica persica E. E. Stanford 1928-2-6 781 San Joaquin Stockton. Comment
  RSA398004  Vicia sativa E. E. Stanford 1930-4-17 1329 San Joaquin Clements Road. 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
  UCR242950  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-4-7 15826 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  SEINET7076110  Viola douglasii A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  RSA402916  Viola douglasii Flossie Draper 1928-3-20 112 San Joaquin Near Peters. 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
  UCD142931  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at 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
  UCD17112  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17113  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17115  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17116  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17117  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin California. Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17120  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17121  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17129  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17555  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17556  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  OBI27850  Vitis vinifera Annemarie Rond 1977-6-13 96 San Joaquin W. Swain rd, Stockton Comment
  CAS-BOT-BC183682  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow Comment
  UCD93841  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC183746  Vulpia microstachys var. confusa John Thomas Howell 1938-4-3 13734 San Joaquin Corral Hollow Comment
  CAS-BOT-BC183747  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon Comment
  UC817993  Vulpia microstachys var. confusa Lewis S. Rose 1938-4-3 3811 B San Joaquin Corral Hollow 121 Comment
  CAS-BOT-BC184504  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin East end of Corral Hollow Comment
  POM196215  Vulpia microstachys var. pauciflora C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; In fields near campus Comment
  RSA21456  Vulpia microstachys var. pauciflora C. B. Wolf 1937-3-31 8390 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  UC766933  Vulpia microstachys var. pauciflora R. F. Hoover 1938-4-9 3036 a San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UCD94475  Vulpia myuros G. F. Hrusa; S. A. Wagner 1992-4-22 9246 San Joaquin Caswell Memorial State Park. Comment
  UCD94692  Vulpia myuros A. A. Beetle 1942-4-9 2940 San Joaquin 10 miles west of Modesto. On banks of San Joaquin River, Hwy 99. Comment
  UCR238405  Vulpia myuros George K. Helmkamp, E. A. Helmkamp 2012-4-7 18719 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  SEINET3271556 Image available Vulpia myuros f. megalura George K. Helmkamp, E. A. Helmkamp 2009-3-26 14463 San Joaquin San Joaquin Valley; junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  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
  UC767536  Vulpia octoflora var. glauca R. F. Hoover 1938-4-9 3036 San Joaquin hill between Castle Rock and Black Butte (Corral Hollow); Corral Hollow Comment
  CAS-BOT-BC423389  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  CAS-BOT-BC423391  Wislizenia californica E. E. Stanford 1930-8-1 1862 San Joaquin Lincoln Highway, near French Camp. Comment
  CAS-BOT-BC423394  Wislizenia californica Beecher Crampton 1960-8-9 5774 San Joaquin 7.5 miles west of Ripon, along Durham Ferry Road. Comment
  JEPS33284  Wislizenia refracta Rimo Bacigalupi and L. Constance 1962-8-13 8722 San Joaquin along base of Southern Pacific railway embankment just s crossing of Lathrop Road (just n of town of Lathrop) 5 Comment
  UCD116382  Wislizenia refracta Rimo Bacigalupi; L. Constance 1962-8-13 8722 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road; just north of town of Lathrop. 5 Comment
  POM142969  Wislizenia refracta subsp. californica Michener, Bioletti 1892-9-9 s.n. San Joaquin Lathrop. Comment
  UC101848  Wislizenia refracta subsp. californica Mrs. K. Brandegee 1907-10-2 25 San Joaquin near Lathrop Comment
  UC11146  Wislizenia refracta subsp. californica J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  UC11149  Wislizenia refracta subsp. californica F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC83248  Wislizenia refracta subsp. californica Katharine Brandegee 1892-9-11 San Joaquin Lathrop Comment
  RSA440868  Wislizenia refracta subsp. californica E. E. Stanford 1930-08 1862 San Joaquin Lincoln Hwy, near French Camp. Comment
  SEINET5850076  Wislizenia refracta subsp. californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  UC1148966  Wolffia globosa W. R. Russell and Jeff Swader 1967-6-20 San Joaquin s side of Liberty Rd 1.8 mi e State Highway 88 (where artificial fill crosses road, small pond se of main creek) Comment
  RSA201764  Wolffia globosa W. R. Russell, Jeff Swader 1967-6-20 s.n. San Joaquin south side of Liberty Road, 1.8 miles east of State Highway 88 Comment
  UC635135  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  UC635136  Wolffiella lingulata H. L. Mason 1938-6-12 11850 San Joaquin 1 mi ne Middle River bridge, Roberts Island (Trappers Slough, delta of the San Joaquin River); San Joaquin River, Trappers Slough Comment
  UC936135  Wolffiella lingulata Herbert L. Mason 1945-10-10 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  CAS-BOT-BC534976  Wolffiella lingulata H. L. Mason 1945-10-10 s. n. San Joaquin Trapper Slough, Roberts Island, delta of San Joaquin River Comment
  CAS-BOT-BC535199  Wolffiella lingulata Herbert L. Mason 1945-10-10 s. n. San Joaquin Trapper Slough, Roberts Island, delta of the San Joaquin River Comment
  CAS-BOT-BC382875  Wyethia angustifolia C. L. Hitchcock 1940-5-12 6357 San Joaquin 3 miles south of Galt 15 Comment
  UC485129  Wyethia angustifolia J. Burtt Davy 1895-5-18 1222 San Joaquin Holden Comment
  SEINET6165131 Image available Wyethia helenioides Unknown 1981-8-6 s.n. San Joaquin kirkwood ski area