Search Results — 2000 specimen records retrieved (1458 records with coordinates)
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Results for search: County=SAN JOAQUIN; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD241843  Acanthomintha lanceolata Dean William Taylor 1995-4-13 14821 San Joaquin Hospital Canyon. 320 Comment
  POM146143  Acer negundo subsp. californicum E. E. Stanford 1927-5-21 447 San Joaquin Near Stockton Comment
  POM196279  Acer negundo subsp. californicum E. E. Stanford 1928-3-20 834 San Joaquin Near Peters 30 Comment
  RSA21459  Achyrachaena mollis Carl B. Wolf 1937-3-31 8394 San Joaquin W side of San Joaquin Valley, Hospital Canyon 107 Comment
Read comments
Jun 10 2012
  UC1125428  Achyrachaena mollis R. D. Roseberry 1935-5-14 171 San Joaquin 1 mi w Bald Mt.; Jackson Quad., Bald Mt 106 Comment
  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-BC29726  Achyrachaena mollis Gladys L. Smith 1959-5-1 1050 San Joaquin Roadsides near Wallace Comment
  POM195989  Achyrachaena mollis E. E. Stanford 1928-4-7 846 San Joaquin Near Stockton Comment
  UCD96885  Acmispon brachycarpus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6933 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  CAS-BOT-BC29255  Acroptilon repens D. C. Frieders; M. Keffer 1971-12-8 s.n. San Joaquin Roadside, NW corner of Harbor Blvd and Los Angeles Ave, Stockton Comment
  CAS-BOT-BC65594  Adiantum jordanii Genevieve Prlain 1976-5-2 s.n. San Joaquin county park on Mokelumne River below Camanche Dam 27 Comment
  CDA18934  Aegilops cylindrica D. Kratville 2000-5-15 PDR 028351 San Joaquin Lawn Ct., Tracy. 0 Comment
  RSA401061  Aesculus californica E. E. Stanford 1930-5-17 1503 San Joaquin Near Dry Creek. Comment
  UCR132244  Agrostis Beecher Crampton 1956-7-30 3741 San Joaquin Sacramento Valley, 9.8 miles south of Clements 34 Comment
  SEINET7295880 Image available Agrostis alba Beecher Crampton 1956-1 3740 San Joaquin Irrigate pasture area, water overflow along Clements Road, 9.8 miles south of Clements Comment
  UCD53586  Agrostis stolonifera Beecher Crampton 1956-7-30 3740 San Joaquin water overflow along Clements Road, 9.8 miles south of Clements. Comment
  UCR128291  Agrostis viridis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  RSA77176  Ailanthus altissima E. E. Stanford 1930-5-16 1488 San Joaquin Stockton. Comment
  UCD116179  Alcea rosea G. F. Hrusa; S. A. Wagner 1992-7-8 9150 San Joaquin Caswell Memorial State Park. Trail to the west of the picnic areas. Comment
  UC516  Alisma plantago-aquatica J. A. Sanford 1890-1 29 San Joaquin Stockton Comment
  UC563963  Alisma plantago-aquatica Ira L. Wiggins 1934-6-23 6939 San Joaquin 3.2 mi e Escalon (on road to Oakdale) Comment
  SEINET8470109 Image available Alisma triviale Ira L. Wiggins 1934-6-23 San Joaquin 3.2 miles east of Escalon on road to Oakdale Comment
  JEPS73876  Allium amplectens L. R. Heckard 1974-4-25 3670 San Joaquin 1/2 mi e Alameda county line (just w of Drop Tower No.__ on grounds of Atomic Energy Commission, Univ. of Calif. testing site); Corral Hollow 304 Comment
  RSA88890  Allium amplectens E. K. Balls 1954-3-9 18902 San Joaquin Grown in Botanic Garden. Comment
  UC766742  Allium crispum R. F. Hoover 1941-4-18 4850 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  UCD96878  Allium crispum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6930 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  CAS-BOT-BC466768  Allium crispum Mrs. A. R. Arnold 1922-4-1 s.n. San Joaquin Corral Hollow, near Tracy Comment
  CAS-BOT-BC466769  Allium crispum R. Bacigalupi 1949-5-17 3094 San Joaquin Upper slopes of Hospital Canyon 243 Comment
  CAS-BOT-BC472789  Allium neapolitanum J. B. Gianelli 1962-4-9 s.n. San Joaquin Victor Colvin prop., Almond Drive and Stockton Drive, Lodi Comment
  CDA2747  Allium neapolitanum J. B. Gianelli 1962-4-9 San Joaquin Victor Colvin property, Almond Drive & Stockton Drive, Lodi. 0 Comment
  RSA21457  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  CAS-BOT-BC475567  Allium serra R. Bacigalupi 1949-5-17 3095 San Joaquin Upper slopes of Hospital Canyon 243 Comment
  CAS-BOT-BC475568  Allium serra Alice Eastwood; John Thomas Howell 1935-4-7 2094 San Joaquin East end of Corral Hollow Comment
  RSA21628  Allium serra Roxana S. Ferris 1938-4-15 9407 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  UCR63942  Alnus rhombifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  POM195972  Alopecurus aequalis E. E. Stanford 1928-4-29 940 San Joaquin Roadside ditches near Stockton Comment
  UCD144613  Alopecurus carolinianus Mick Canevari 2013-4-22 s.n. San Joaquin Eastern San Joaquin County: Where foothills begin near Escalon. 15 Comment
  JEPS68432  Alopecurus saccatus W. L. Jepson 1929-4-28 15195 San Joaquin Lockeford 30 Comment
  UC188803  Alopecurus saccatus Mr. Sanford 86 San Joaquin Stockton Comment
  UC188804  Alopecurus saccatus Mr. Sanford 1890-4-11 28 San Joaquin Waverly Comment
  UC37125  Alopecurus saccatus J. A. Sanford 1890-4-11 San Joaquin Waverly Comment
  UC936194  Alopecurus saccatus H. L. Mason 1932-4-24 6969 San Joaquin 11 mi. s. Clements Comment
  UCD55940  Alopecurus saccatus Alex D. Hawkes Date Unknown 4794 San Joaquin about 2 miles east of Stockton. Comment
  SEINET7594788 Image available Alopecurus saccatus E. E. Stanford 1927-1 153 San Joaquin Stockton, Near Stockton Comment
  UCR194720  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13082 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CDA3259  Amaranthus albus T. C. Fuller 1958-7-3 1976 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  CDA3246  Amaranthus arenicola T. C. Fuller 1968-7-1 17357 San Joaquin Highway 99 at Tracy-Oakdale Highway (Hwy 120) overpass, Manteca. 0 Comment
  UC465917  Amaranthus blitoides Harriet A. Walker 1907-9-8 935 San Joaquin Lathrop 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
  UCD97218  Amaranthus caudatus J. M. Tucker 1951-10-31 2314 -5 San Joaquin On Staten Island. Comment
  CDA3238  Amaranthus cruentus L. Todd 1962-7-31 San Joaquin H. O. Todd property, S. Church Street, Lodi. 0 Comment
  CDA9341  Amaranthus hybridus G. F. Hrusa, R. Rhode 2013-11-8 18531 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  UCD97401  Amaranthus hybridus J. D. Sauer 1953-8-14 1643 San Joaquin Farmyard on Roberts Island, 5 miles west of Stockton. Comment
  UCD97404  Amaranthus hybridus J. M. Tucker 1956-11-10 3280 -A San Joaquin Beside Howard Road, 3.2 miles northeast of its junction with Tracy Road, on Union Island. Comment
  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
  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
  UCR194721  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2007-10-13 13083 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  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
  UCD97786  Amaranthus retroflexus J. M. Tucker 1956-11-10 3280 -A San Joaquin Beside Howard Road, 3.2 miles northeast of its junction with Tracy Road, on Union Island. Comment
  UC468986  Ambrosia psilostachya Harriet A. Walker 1907-9-8 888 San Joaquin Sathrop 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
  UCD19106  Ammi majus A. M. Shapiro 1987-7-11 s.n. San Joaquin ca. 2 mi. west of Farmington, State Hwy 4, milepost J.S. 28.00. Comment
  CDA5353  Ammi majus T. C. Fuller, J. Solari 1959-8-3 2865 San Joaquin Southeast corner of Farmington & Kaiser Roads. 0 Comment
  CAS-BOT-BC214041  Amsinckia John Thomas Howell 1933-3-26 10891 San Joaquin Corral Hollow Comment
  UCD96886  Amsinckia Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6934 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  CAS-BOT-BC214038  Amsinckia E. E. Stanford 1928-3-2 784 San Joaquin Stockton Comment
  CAS-BOT-BC214039  Amsinckia L. R. Abrams 1923-3-31 9953 San Joaquin 3 mi. from Manteca on Stockton Road Comment
  SEINET3293462 Image available Amsinckia douglasiana P. O. Schallert 1945-3-8 C 30 San Joaquin Near Stockton common waste places Comment
  RSA499907  Amsinckia eastwoodiae E. E. Stanford 1928-3-10 798 San Joaquin Manteca. Comment
  UC1084594  Amsinckia eastwoodiae Francia Chisaki, Peter M. Ray 1952-3-29 2189 San Joaquin 1.8 mi n Corral Hollow (basin e of Alameda-San Joaquin County line) 381 Comment
  UC1178334  Amsinckia eastwoodiae Ray and Chisaki 1952-4-22 K 138 San Joaquin Farmington Comment
  UC718455  Amsinckia eastwoodiae Carl B. Wolf 1937-3-31 San Joaquin 3 mi e Tracy (at junction with Vernalis Road); San Joaquin Valley 7 Comment
  UC763140  Amsinckia eastwoodiae R. F. Hoover 1938-4-10 3064 San Joaquin Lower Hospital Canyon Comment
  RSA0090956  Amsinckia eastwoodiae J. T. Howell 1938-4-10 13756 San Joaquin Hospital Canyon. 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-BC222447  Amsinckia grandiflora Robert F. Hoover 1938-5-7 3357 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  CAS-BOT-BC222448  Amsinckia grandiflora Robert F. Hoover 1938-5-7 3357 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  JEPS24887  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS46003  Amsinckia grandiflora L. R. Heckard, Ornduff, John J. Souza 1966-4-16 1470 San Joaquin North from Corral Hollow Road, about 1 mile from road and 1/2 mile east of Alameda County line. Just Southwest of drop tower of the U.S. Atomic Energy Commission testing area. Comment
  JEPS83139  Amsinckia grandiflora L. R. Heckard 1974-4-25 3671 San Joaquin just w. of Drop Tower No. <__> on grounds of Atomic Energy Commission (1/2 mi. e. of Alameda Co. line, University CA test site in Corral Hollow); University CA test site in Corral Hollow 304 Comment
  UC1084620  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin 1.1 mi n of road in Corral Hollow (0.45 e of San Joaquin-Alameda County line, e side of canyon n from Corral Hollow, on n side of one hill in area of 0.5 acre) 304 Comment
  UC1084621  Amsinckia grandiflora Peter Kamb Ray 1952-3-29 2184 San Joaquin 1.1 mi n of road in Corral Hollow (0.45 e of San Joaquin-Alameda County line, e side of canyon n from Corral Hollow, on n side of one hill in area of 0.5 acre) 304 Comment
  UC1178263  Amsinckia grandiflora Francia Chisaki 1956-4-5 664 San Joaquin 1.5 mi n of raod in Corral Hollow (0.45 mi e of San Joaquin-Alameda county line, e side of canyon leading n from Corral Hollow) Comment
  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
  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
  POM212645  Amsinckia intermedia Lincoln Constance, Alan Bettle 1940-3-21 2527 San Joaquin Castle Rock, Coral Hollow. 198 Comment
  RSA201466  Amsinckia intermedia Alice Eastwood, John Thomas Howell 1935-4-7 2113 San Joaquin East end of Corral Hollow. Comment
  RSA28988  Amsinckia intermedia Lincoln Constance, Alan Beetle 1940-3-21 2527 San Joaquin Castle Rock, Coral Hollow. 198 Comment
  SEINET3828573  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-1 18721 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5') 52 Comment
  UC1084591  Amsinckia intermedia Peter M. Ray 1952-3-29 2187 San Joaquin 1 mi n Corral Hollow (w side of ridge near summit, first ridge e of Alameda-San Joaquin county line just n of; (hill 1524)) 457 Comment
  UC1178285  Amsinckia intermedia Ray and Chisaki 1952-9-3 K 155 San Joaquin Farmington Comment
  UC1178286  Amsinckia intermedia Ray and Chisaki 1952-9-3 K 159 San Joaquin Farmington Comment
  UC1191062  Amsinckia intermedia C. R. Bell 1951-4-6 954 San Joaquin Farmington Comment
  UC479955 Image available Amsinckia intermedia C. F. Baker 1903-4-25 2779 San Joaquin Tracy; ; Tracy, San Joaquin Co. Comment
  UCD119680  Amsinckia intermedia G. F. Hrusa; S. A. Wagner 1992-3-4 9099 San Joaquin Caswell Memorial State Park. Comment
  UCR238412  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-4-7 18721 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCSB5508  Amsinckia intermedia Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow; Inner Coast Ranges 198 Comment
  UCD119689  Amsinckia intermedia Marvin L. Nies 1951-4-7 41 San Joaquin 5 miles east of Lodi. Comment
  JEPS24899  Amsinckia lycopsoides W. L. Jepson 1937-4-23 18017 San Joaquin 5 mi se Stockton (on the Farmington Road) Comment
  JEPS25324  Amsinckia lycopsoides R. F. Hoover 1937-5-18 2179 San Joaquin near Lathrop Comment
  SD49868  Amsinckia lycopsoides Francia Chisaki 1954-3-27 583 San Joaquin On Corral Hollow Road, 1.7 miles south of its junction with Fabian Road (Now Tracy Expressway) Comment
  CDA19661  Amsinckia menziesii G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1181 San Joaquin San Joaquin Valley; 1.0 mi W of Calaveras County line (Wimer Rd.) on state route 26. 4.3 mi E of Bellota (cross Calaveras R.) 0.5 mi E of Shelley Rd. 60 Comment
  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
  SEINET10697928 Image available Amsinckia obvallata Charles F. Baker 1903-4-25 Baker 2779 San Joaquin Tracy, San Joaquin county, California. Frequent in low fields. Comment
  CAS-BOT-BC26781  Amsinckia pusilla Alice Eastwood 1921-5-22 10591 San Joaquin near Stockton Comment
  SEINET12519038  Amsinckia retrorsa Carl B. Wolf 1937-1 8378 San Joaquin San Joaquin Valley, 3 mi. E of Tracy at junction with Vernalis Road 8 Comment
  SBBG54424  Amsinckia spectabilis C. F. Baker 1903-4-25 2779 San Joaquin Tracy Comment
  UCD96890  Amsinckia tessellata Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6936 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  JEPS25301  Amsinckia tessellata var. gloriosa R. F. Hoover 1938-3-20 2892 San Joaquin Vernalis Comment
  CDA40429  Amsinckia vernicosa Jim Jokerst 1989-3-3 3076 B San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  RSA97193  Amsinckia vernicosa Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  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
  SFV797  Anemopsis californica J. W. Katberg, Jr. 1966-4-30 39 San Joaquin San Joaquin Valley Along ditchbank northwest of Stockton; 0.25 miles north of Atherton Road and about 1.5 miles west of Thornton Road. -1 Comment
  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
  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
  UCD127277  Anthriscus caucalis Terri Williamson 1990-4-28 14 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UCD96911  Aphanes occidentalis Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6949 a San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UC2046325  Aphanes occidentalis Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12442 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Comment
  CDA24670  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
  RSA604701  Artemisia californica L. C. Wheeler 1952-9-29 6995 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CAS-BOT-BC90257  Artemisia douglasiana Brian Atwater 1978-8-22 BA- 75 San Joaquin Middle River; between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC90258  Artemisia douglasiana John Thomas Howell 1930-9-28 5514 San Joaquin Holt Comment
  RSA417295  Artemisia douglasiana Twilia Kendall 1928-10 s.n. San Joaquin Stockton Comment
  UCD129290  Artemisia douglasiana G. F. Hrusa; S. A. Wagner 1992-7-8 9135 San Joaquin below picnic area. Caswell Memorial State Park. Comment
  UC91174  Artemisia ludoviciana subsp. ludoviciana T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UCD56051  Arundo donax G. F. Hrusa 1992-8-26 9529 San Joaquin Caswell Memorial State Park. Comment
  UC23013  Asclepias erosa H. N. Bolander 1866-1 4894 San Joaquin San Joaquin Plains Comment
  JEPS49960  Asclepias fascicularis W. L. Jepson 1923-10-22 10277 San Joaquin Union Island Lower San Joaquin River Comment
  UC22989  Asclepias fascicularis F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  SEINET10923194  Asclepias fascicularis E. E. Stanford 1927-8-31 Stanford 695 San Joaquin Stockton Comment
  JEPS49818  Asclepias vestita W. L. Jepson 1896-6-27 14541 San Joaquin between Mossdale School Atlanta; San Joaquin Valley Comment
  JEPS49820  Asclepias vestita W. L. Jepson 1902-5-18 1823 C San Joaquin Clements 40 Comment
  RSA201429  Asparagus officinalis J. T. Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  CAS-BOT-BC478842  Asparagus officinalis John Thomas Howell 1954-9-5 30029 San Joaquin Along highway near Holt Comment
  CDA10237  Aster chilensis Croce 1963-12-17 San Joaquin Woodbridge Irrigation District, Augie Orrigone property, north of Highway 99. 0 Comment
  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
  RSA128159  Astragalus asymmetricus Clare B. Hardham 1959-5-6 4409 San Joaquin Intersection Nacimiento Dam Road and road to Pleyto. Comment
  SEINET10811682  Astragalus asymmetricus E. E. Stanford 1930-4-19 Stanford 1367 San Joaquin Patterson Pass Road. Comment
  RSA517287  Astragalus didymocarpus Barbara J. Ertter 1986-3-14 5787 San Joaquin Corral Hollow in Diablo Range SE of Livermore, along Tesla Rd (Rt. J12) 3.5 mi W of jct I-580. 152 Comment
  UC13346  Astragalus didymocarpus F. T. Bioletti 1892-1 San Joaquin Lower San Joaquin Comment
  UC83407  Astragalus didymocarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  SEINET12159810  Astragalus didymocarpus L. S. Rose 1938-1 38153 San Joaquin Hospital canyon 152 Comment
  CAS-BOT-BC182334  Astragalus didymocarpus var. didymocarpus Roxana S. Ferris 1938-4-15 9418 San Joaquin Near mouth of Elk Ravine. Corral Hollow - Livermore Road 152 Comment
  CAS-BOT-BC182335  Astragalus didymocarpus var. didymocarpus H. L. Mason 1932-3-19 6834 San Joaquin Two miles east of Midway, near Tracy Comment
  UC1561440  Astragalus didymocarpus var. didymocarpus Barbara Ertter with Dale McNeal 1986-3-14 5787 San Joaquin along Tesla Rd. (Rt. J12) 3.5 mi w of jct I-580 (se of Livermore, Corral Hollow in Diablo Range); Diablo Range, Corral Hollow, se of Livermore 152 Comment
  CAS-BOT-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
  JEPS54600  Astragalus douglasii W. L. Jepson 1896-6-27 13744 San Joaquin on road running e from the San Joaquin bridge to Atlanta (San Joaquin County plains, e side); ; San Joaquin Co., on road running E from the San Joaquin bridge to Atlanta. Comment
  CAS-BOT-BC178271  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  JEPS54646  Astragalus gambelianus W. L. Jepson 1922-4-2 9580 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow (Mt. Hamilton Range, w San Joaquin County) 182 Comment
  UC168326  Astragalus gambelianus Katharine Brandegee 1908-1 San Joaquin Lathrop Comment
  UC635294  Astragalus gambelianus H. L. Mason 1932-3-19 6834 San Joaquin two mi e Midway (near Tracy); e of Midway, near Tracy Comment
  UCD105437  Astragalus tener var. tener Roman Gankin 1958-3-8 s.n. San Joaquin Off of U.S. Highway 50, between Tracy and Livermore. Comment
  RSA128158  Astragalus trichopodus Clare B. Hardham 1957-5-10 1953 San Joaquin Willow Creek, near Memmonite Church. Comment
  CAS-BOT-BC17574  Athysanus pusillus Robert Francis Hoover 1938-2-27 2793 San Joaquin Castle Rock, Corral Hollow. Comment
  CAS-BOT-BC17575  Athysanus pusillus Volney Rattan 1877-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC17576  Athysanus pusillus Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10561 San Joaquin Corral Hollow. Comment
  JEPS53222  Athysanus pusillus W. L. Jepson 1922-4-2 9584 San Joaquin Corrral Hollow, w San Joaquin County Corrral Hollow 182 Comment
  UC1055819  Athysanus pusillus Frank W. Gould 1940-3-12 883 San Joaquin opposite Castle Rock (Corral Hollow, Mount Hamilton Range); Mount Hamilton Range, Corral Hollow 198 Comment
  UCR51786  Athysanus unilateralis L. S. Rose 1938-4-3 38120 San Joaquin San Joaquin Valley/Inner South Coast Range, Corral Hollow 122 Comment
  CAS-BOT-BC168619  Atriplex Roxana S. Ferris 1938-4-15 9422 San Joaquin Near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 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
  CAS-BOT-BC168531  Atriplex confertifolia John Thomas Howell 1930-6-28 5324 San Joaquin Banta Junction, about 1 mile from Banta Comment
  JEPS627  Atriplex cordulata W. L. Jepson 1896-7-17 San Joaquin near Stockton (Lower San Joaquin Valley); , near Stockton Comment
  UC2046130  Atriplex coronata var. vallicola Neal Kramer with Zoya Akulova 2015-5-29 2145 San Joaquin hills west of Interstate 580, between Corral Hollow Road and Patterson Pass Road Comment
  UC1042315  Atriplex fruticulosa John Thomas Howell 1953-4-26 28934 San Joaquin on road to Tracy clay flat just ne Corral Hollow; just ne of Corral Hollow 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
  UCD97792  Atriplex serenana A. S. Crafts 1926-7-24 503 San Joaquin between Manteca and Merced. Comment
  UC452643  Atriplex serenana var. serenana Harriet A. Walker 1907-9-8 934 San Joaquin Lathrop Comment
  CAS-BOT-BC180891  Atriplex serenana var. serenana R. F. Hoover 1965-8-27 9517 San Joaquin Carpenter Road near San Joaquin River, south of Modesto Comment
  RSA478356  Atriplex subspicata E. E. Stanford 1926-10-12 55 San Joaquin Near Stockton 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
  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
  UC535004  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Hwy. between Middle and Old forks of San Joaquin River Comment
  CDA21224  Azolla filiculoides G. F. Hrusa, S. A. Wagner 1992-4-8 9106 San Joaquin At Oxbow Lake. Caswell Memorial State Park 0 Comment
  POM209887  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  RSA318294B  Azolla filiculoides Wayne P. Armstrong 1984-8-22 1214 San Joaquin Trapper Slough-- north side of Highway 4 approximately 4 miles west of Holt 2 Comment
  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
  CAS-BOT-BC98795  Baccharis douglasii E. E. Stanford 1926-10-12 51 San Joaquin Near Stockton Comment
  POM196206  Baccharis douglasii E. E. Stanford 1929-10-25 1173 San Joaquin Near Stockton Comment
  UC30357  Baccharis glutinosa F. T. Bioletti 1891-8-31 San Joaquin Comment
  UC61022  Baccharis glutinosa N. K. Berg 1903-12-12 San Joaquin Rough and Ready Island Comment
  UC672312  Baccharis glutinosa H. L. Mason 1928-9-30 4964 San Joaquin near, San Joaquin Delta Holt; San Joaquin Delta Comment
  UCD129410  Baccharis glutinosa G. F. Hrusa; S. A. Wagner 1992-8-9 9323 San Joaquin Caswell Memorial State Park. Comment
  UCD129414  Baccharis glutinosa P. B. Kennedy 1928-9-30 s.n. San Joaquin at Holt. Comment
  SEINET899244  Baccharis salicifolia R. A. Dodge 1957-1 90 San Joaquin 15 miles southeast of Livermore, on Corral Hollow Road 46 Comment
  CDA6269  Bacopa J. F. Silva 1964-6-16 San Joaquin Escalon District.. 0 Comment
  UC26786  Bacopa eisenii J. A. Sanford 1893-1 San Joaquin Stockton Comment
  SEINET3387388 Image available Baeria platycarpha P. O. Schallert 1945-4-1 160 San Joaquin Smaller gold fields 20 m. of Stockton, California Comment
  UCD18400  Banisteria schizoptera Warren G. Roberts 1978-7-26 s.n. San Joaquin San Joaquin and Yolo Counties: cities of Stockton and Davis. Comment
  POM204439  Bassia hyssopifolia J. T. Howell 1933-7-20 11444 San Joaquin Bottom lands along San Joaquin River near Tracy. 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
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  UCD129572  Bidens frondosa G. F. Hrusa; S. A. Wagner 1992-8-9 9333 San Joaquin Oxbow Lake, Caswell Memorial State Park. Comment
  UC912410  Bidens laevis Herbert L. Mason 1929-9-9 5426 San Joaquin Holt Comment
  CDA10522  Bidens laevis T. C. Fuller 1959-10-27 3261 San Joaquin Road to Knights Ferry, ca. 4 miles southwest of Farmington. 0 Comment
  CDA10523  Bidens laevis T. C. Fuller 1968-10-31 17941 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  CDA10524  Bidens laevis T. C. Fuller 1968-10-16 17709 San Joaquin North bank of the Stanislaus River, Caswell Memorial State Park, 3 miles southwest of Ripon. 0 Comment
  UCD129557  Bidens laevis J. M. Tucker 1951-10-31 2313 San Joaquin Northwestern San Joaquin County: Staten Island, ca. 3-5 miles south of Walnut Grove. Comment
  CDA6859  Bidens tripartita T. C. Fuller 1968-10-31 17940 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  CDA6860  Bidens tripartita Peter Rubtzoff 1964-9-2 5517 San Joaquin Caswell Memorial State Park, 7 miles south of Manteca. 0 Comment
  UC1873047  Blennosperma nanum David Keil 2005-3-13 30360 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada with wide, flat valleys with vernal pools. 82 Comment
  JEPS33982  Blennosperma nanum var. nanum W. L. Jepson 1938-4-14 18680 San Joaquin about headwater of Goose Creek ne San Joaquin County Comment
  CAS-BOT-BC127910  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Lower part of Hospital Canyon, Mount Hamilton Range 152 Comment
  SJSU1708  Blepharizonia laxa C. W. Sharsmith 1955-9-11 6297 A San Joaquin Tesla Road W of Corral Hollow, Mt Hamilton Range, southwestern San Joaquin County Comment
  UC762594  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin lower part of Hospital Canyon 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
  JEPS18827  Blepharizonia plumosa R. F. Hoover 1935-9-7 716 San Joaquin Tracy Comment
Read comments
Apr 12 2009
  UC337230  Blepharizonia plumosa unknown 1878-8-1 San Joaquin Comment
  UCD129613  Blepharizonia plumosa Robert E. Preston 1996-10-4 1005 San Joaquin northwest slope of Black Butte, south of Corral Hollow Road, around 2 miles west of its junction with I-5. 152 Comment
  RSA41165  Boisduvalia stricta Robert F. Hoover 1935-6-12 651 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-BC31040  Bolboschoenus maritimus John Thomas Howell 1932-10-16 10850 San Joaquin Corral Hollow Creek 8 mi from Tracy on Tesla Road. Comment
  CAS-BOT-BC31038  Bolboschoenus maritimus John Thomas Howell 1930-9-28 5509 San Joaquin Subsaline hollow along Borden Highway to Stockton. Comment
  UC1100915  Bolboschoenus maritimus subsp. paludosus Herbert L. Mason 1948-5-31 13574 San Joaquin three mi n Ripon; n of Ripon Comment
  UC765840  Bowlesia incana Robert F. Hoover 1935-3-1 272 San Joaquin 5 mi sw of Ripon Comment
  UCR194718  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR253790  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20060 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  RSA482906  Brassica nigra E. E. Stanford 1928-3-13 802 San Joaquin Stockton. Comment
  SEINET4560755  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2011-1 17070 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99. 27 Comment
  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
  RSA482940  Brassica rapa Flossie Draper 1927-10-6 33 San Joaquin Near campus [Stockton] Comment
  UCD114834  Brassica rapa E. F. Serr 1932-3-4 s.n. San Joaquin Lodi. Comment
  CAS-BOT-BC145510  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 15 Comment
  RSA25312  Briza minor C. L. Hitchcock 1940-4-29 6302 San Joaquin 3 miles south of Galt. 16 Comment
  UC3323  Brodiaea appendiculata F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC482168  Brodiaea appendiculata Roxana S. Ferris 1953-5-15 12641 San Joaquin On road betw. Everett School and intersection with Bellota-Farmington road ca. 1 mi. W. of intersection Comment
  RSA232769  Brodiaea appendiculata Lee W. Lenz 24801 San Joaquin 12 mi S Ione, Rd 88. Comment
  UCD14202  Brodiaea elegans subsp. elegans Gregory Sutton 1974-5-18 95 B San Joaquin San Joaquin County; 1/2 mi. north of Milton Road along the Escalon-Bellota Highway; 36 Comment
  UCD14204  Brodiaea elegans subsp. elegans Janey Veneman 1974-5-18 78 B San Joaquin 1/2 mi. north of Milton Road along the Escalon-Bellota Highway; 36 Comment
  JEPS5510  Brodiaea minor R. F. Hoover 1936-4-30 1056 San Joaquin stream bed near Farmington Comment
  UC768714  Brodiaea nana R. F. Hoover 1936-4-30 1056 San Joaquin Farmington Comment
  UC634760  Brodiaea nana Herbert L. Mason 1928-5-3 4452 San Joaquin 4 mi N of Clements, vernal pools Comment
  SEINET10533895  Brodiaea synandra E. E. Stanford 1930-5-3 Stanford 1467 San Joaquin Jacktone Road. Open fields. Comment
  POM196216  Bromus arizonicus C. R. Quick 1929-4-6 s.n. San Joaquin Stockton; Campus Comment
  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
  SEINET3292686 Image available Bromus commutatus P. O. Schallert 1945-5-20 C 274 San Joaquin Stockton Comment
  HSC9290  Bromus diandrus C. S. Chavez 1965-4-10 29 San Joaquin Hwy. 50 downtown Tracy Comment
  UCD96893  Bromus diandrus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6938 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CDA12443  Bromus hordeaceus G. F. Hrusa, S. A. Wagner 1992-4-2 9307 San Joaquin Caswell Memorial State Park. Throughout the park. Comment
  UC1131066  Bromus hordeaceus C. M. Belshaw 1936-4-24 1976 A San Joaquin 1 1/2 mi sw of Wallace 121 Comment
  UCD58655  Bromus hordeaceus G. F. Hrusa; S. A. Wagner 1992-4-22 9249 San Joaquin Caswell Memorial State Park. Comment
  UCD96900  Bromus hordeaceus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6941 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UCR128287  Bromus hordeaceus Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  CAS-BOT-BC161975  Bromus rubens E. E. Stanford 1927-3-24 123 San Joaquin Stockton. Along trolley tracks. Comment
  UCR253643  Bromus rubens George K. Helmkamp 2014-3-18 22576 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CDA18618  Cabomba caroliniana E. Finley 1999-10-3 PDR 1013547 San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Disappointment Slough; 0 Comment
  CDA21077  Cabomba caroliniana E. Finley, R. Villarreal 1991-9-19 s.n. San Joaquin Southern edge of 14 Mile slough. 0 Comment
  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
  CAS-BOT-BC438331  Calandrinia ciliata E. E. Stanford 1928-3-15 807 San Joaquin Stockton Comment
  UCD100201  Calandrinia ciliata G. F. Hrusa; S. A. Wagner 1992-3-21 9091 San Joaquin Caswell Memorial State Park; at edge of trail to west of parking area adjacent to the woodland. Comment
  CAS-BOT-BC167299  California macrophylla M. K. Bellue 1938-4-1 s.n. San Joaquin Thos. Hansen Ranch 2 miles se. of Tracy Comment
  UC570781 Image available Callitriche hermaphroditica H. L. Mason 1928-5-3 4445 San Joaquin 4 mi n Clementes; ; San Joaquin Co. Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  CAS-BOT-BC490541  Calochortus luteus Gladys L. Smith 1959-5-1 1064 San Joaquin 1 mile east of Wallace, highway 12. 60 Comment
  RSA377400  Calochortus luteus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC3491 Image available Calochortus venustus F. W. Gunnison May 1896 San Joaquin Linden Comment
  IRVC12842  Calochortus venustus unknown student of, Lincoln Constance 1967-5-21 s.n. San Joaquin 6 mi NE Clements, Hwy 88. Comment
  POM298218  Calycadenia hispida D. D. Keck 1933-8-23 2511 San Joaquin 2.5 miles east of Farmington, on bank at edge of cultivated field Comment
  JEPS33814  Calycadenia multiglandulosa C. C. Parry 1881-1-1 San Joaquin Stockton Comment
  UC177478  Calycadenia multiglandulosa C. C. Parry 1881-1-1 San Joaquin Stockton Comment
  UC196666  Calycadenia multiglandulosa E. E. Welty 1916-9-23 San Joaquin 7 mi ne of Ripon Comment
  CAS-BOT-BC270658  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton Comment
  UC177482  Calycadenia multiglandulosa C. C. Parry 1881-1-1 136 San Joaquin Pacific Coast Comment
  UC177511  Calycadenia spicata C. C. Parry 1881-10-1 132 San Joaquin near Stockton Comment
  JEPS33818  Calycadenia spicata C. C. Parry 1881-1-1 132 San Joaquin Milton Station, near Stockton Comment
  UCD129877  Calycadenia truncata Gerald D. Carr 1971-9-24 673 San Joaquin 2.2 miles west of Calaveras County line on Highway 12. 60 Comment
  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-BC190899  Calystegia sepium subsp. limnophila Brian Atwater 1978-8-16 BA- 37 San Joaquin between Quinby Island and Franks Tract Comment
  CDA32891  Calystegia sepium subsp. limnophila P. Akers 2009-9-9 PDR# 1286188 San Joaquin At water s edge of a channel of old San Joaquin River. Approximately 8.5 miles northwest of Stockton and 3 miles east of Tinsley Island. 0 Comment
  CAS-BOT-BC190897  Calystegia sepium subsp. limnophila Herbert L. Mason; Verne Grant 1946-8-21 13067 San Joaquin Near Holt Comment
  UC196144  Camissonia campestris subsp. campestris J. W. Congdon 1893-4-30 San Joaquin Lathrop Comment
  RSA0034612  Camissonia contorta R. D. Roseberry 1935-5-13 160 San Joaquin Mokelumne River, east of Clements. 61 Comment
  RSA122055  Camissonia contorta R. D. Roseberry 1935-5-13 160 San Joaquin Mokelumne River, east of Clements. 61 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
  JEPS53288  Capsella bursa-pastoris W. L. Jepson 1922-4-2 9579 San Joaquin Corral Hollow, w San Joaquin County Corral Hollow; Mount Hamilton Range, Corral Hollow Comment
  RSA530958  Capsella bursa-pastoris Cyril R. Owen 1927-9-20 21 San Joaquin Campus. [College of the Pacific, Stockton.] Comment
  UC10293  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-5 San Joaquin Lathrop Comment
  UCR233208  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2010-4-7 15831 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
  UCR238918  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2012-2-3 18524 San Joaquin San Joaquin Valley, Escalon-Bellota Road, 0.2 mile south of its junction with CA-26, NE of Linden 39 Comment
  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
  CAS-BOT-BC37042  Capsella bursa-pastoris E. E. Stanford 1926-9-12 13 San Joaquin Stockton. Pacific Manor. 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
  UCR232635  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2011-3-29 17104 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  CDA14315  Cardaria pubescens J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; Naglee Rd. in Tracy. 0 Comment
  RSA364544  Carex E. E. Stanford 1930-4-5 1253 San Joaquin Near Durham Ferry. Comment
  CAS-BOT-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
  UCD140196  Carex barbarae G. F. Hrusa 1992-3-4 9100 San Joaquin Caswell Memorial State Park. Comment
  UCR63927  Carex barbarae L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC19311  Carex barbarae J. W. Congdon 1894-3-31 s.n. San Joaquin Lockeford. Comment
  CDA33035  Carex barbarae T. C. Fuller 1968-10-31 17946 San Joaquin Caswell Memorial State Park, north bank of the Stanislaus River, 3 miles southwest of Ripon. 0 Comment
  RSA519059  Carex barbarae L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, S side of Dry Creek. Comment
  SEINET3898818  Carex barbarae Wilhelm N. Suksdorf 1913-6-7 57 San Joaquin On the San Joaquin River, near Lathrop.; 0 Comment
  SEINET10648294  Carex breviligulata E. E. Stanford 1927-5-28 Stanford 445 San Joaquin Near Stockton. In sand, Calaveras River bottom. Comment
  POM313128  Carex comosa H. L. Mason 1928-9-30 4957 San Joaquin San Joaquin Delta near Holt. Comment
  CAS-BOT-BC34939  Carex densa E. E. Stanford 1927-5-28 445 San Joaquin Near Stockton. Calaveras River bottom. Comment
  CAS-BOT-BC118723  Carex preslii R. F. Hoover 1935-3-1 258 San Joaquin 5 mi sw of Ripon Comment
  SEINET13331021 Image available Carthamus baeticus T. C. Fuller 1960-5-17 4333 San Joaquin Fencerow adjacent to Ladino clover pasture, S. Hwy. 4, 1.4 mi. E. Jacktone Rd., 8.7 mi. E. Stockton Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  CAS-BOT-BC281891  Carthamus lanatus T. C. Fuller 1960-5-17 4333 San Joaquin Adjacent to Ladino clover pasture, S/Highway 4, 1.4 miles E/Jacktone Rd, 8.7 mile E/Stockton Comment
  JEPS3793  Castilleja attenuata W. L. Jepson 1929-4-28 15193 San Joaquin Lockeford 30 Comment
  CDA14401  Castilleja campestris subsp. campestris J. B. Gianelli 1997-4-2 s.n. San Joaquin Angraves Estate, northeast corner of Liberty and Dustin roads, Acampo. 0 Comment
  JEPS90559  Castilleja campestris subsp. campestris Dean W. Taylor 1990-4-11 10613 San Joaquin Goose Creek Central Valley (stony alluvial terraces on s boundary Section 27, (Goose Creek 7 1/2' quadrangle)) 70 Comment
  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
  JEPS10296  Castilleja exserta subsp. exserta W. L. Jepson 1938-4-14 18687 San Joaquin 2 mi ne Clements Comment
  JEPS18886  Castilleja exserta subsp. exserta Rimo Bacigalupi with A. Carter, F. Chisaki et al. 1956-4-5 5580 San Joaquin about 1.5 mi n Corral Hollow Road (in first side canyon 0.45 mi ne of the Alameda-San Joaquin County line, off the Corral Hollow) 396 Comment
  UCR62332  Castilleja lineariloba 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
  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
  UC596391  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-19 2867 San Joaquin 1 mi n Corral Hollow (near Alameda County line); n of Corral Hollow Comment
  UC765076  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-4-9 3024 San Joaquin near Alameda Co. line 1 mi n Corral Hollow; n of Corral Hollow Comment
  CAS-BOT-BC41066  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC41069  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-5-24 5789 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC41071  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-4-10 13758 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC41072  Caulanthus flavescens Mrs. A. R. Arnold 1922-4-10 s.n. San Joaquin Tracy. Comment
  CDA24866  Caulanthus flavescens Jim Jokerst 1989-3-3 3075 San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  CAS-BOT-BC40346  Caulanthus lasiophyllus Peter H. Raven; R. Ornduff; et al. 1957-3-30 10560 San Joaquin Corral Hollow. Comment
  CDA24869  Caulanthus lasiophyllus Jim Jokerst 1989-3-3 3076 A San Joaquin Lawrence Livermore Laboratory, Site 300. 0 Comment
  UCD114694  Caulanthus lasiophyllus Terri Williamson 1990-4-28 13 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  CAS-BOT-BC39469  Caulanthus lemmonii John Thomas Howell 1938-4-10 13764 San Joaquin Hospital Canyon. Comment
  LA51326  Caulanthus lemmonii Lewis S. Rose; 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  SEINET8727334 Image available Caulanthus lemmonii Lewis S. Rose 1938-1 38152 San Joaquin Hospital Canyon. 152 Comment
  JEPS37534  Centaurea benedicta W. L. Jepson 1896-6-27 San Joaquin near Lathrop (plains of the lower San Joaquin); lower San Joaquin River Comment
  SJSU8197  Centaurea benedicta M. E. Myers 1955-5-27 70 San Joaquin 12 mi E of Lodi 60 Comment
  CDA25792  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  SEINET3237955 Image available Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCR194725  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2007-10-13 13080 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  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-BC281215  Centaurea sulphurea Don Fehling 1963-6-11 s.n. San Joaquin Claude C. Wood Construction Co yard, Victor Rd, Lodi Comment
  JEPS46980  Centaurium muehlenbergii R. F. Hoover 1935-6-12 649 San Joaquin Farmington Comment
  CDA38371  Centaurium tenuiflorum P. S. Jorgensen 1963-6-26 s.n. San Joaquin Escalon dist. 0 Comment
  UC532128  Centromadia David D. Keck 1933-10-28 2573 San Joaquin ca. 3 mi e Stockton (Farmington Road 0.7 mi from intersection with U.S. 99) Comment
  CAS-BOT-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-BC288642  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-BC288643  Centromadia fitchii David D. Keck 1933-10-28 2573 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  CAS-BOT-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
  UC30949  Centromadia fitchii J. A. Sanford San Joaquin Comment
  UC564046  Centromadia fitchii Ira L. Wiggins 1934-6-23 6938 San Joaquin 3.2 mi e Escalon (roadside on road to Oakdale) Comment
  CAS-BOT-BC288644  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  CAS-BOT-BC288645  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  CAS-BOT-BC288654  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  SJSU5865  Centromadia fitchii M. E. Myers 1955-7-30 91 San Joaquin 12 miles E of Lodi 182 Comment
  UC2027270  Centromadia fitchii David Keil 1988-8-23 20992 San Joaquin Liberty Road, 1 mile west of Highway 88. 11.9 miles east of Highway 99. Comment
  UCD18410  Centromadia fitchii Paul Verdegarl; Bob Muller 1999-5-21 s.n. San Joaquin city of Lodi, Atkins Rd. Comment
  CAS-BOT-BC271512  Centromadia parryi subsp. rudis H. M. Hall 1923-10-10 11913 San Joaquin South of Stockton a few miles Comment
  CAS-BOT-BC271513  Centromadia parryi subsp. rudis H. M. Hall 1930-9-25 12889 San Joaquin One miel norht of Stockton Comment
  CAS-BOT-BC271514  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2581 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC271515  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton Comment
  CAS-BOT-BC271520  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  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
  CHSC22915  Centromadia pungens Robert A. Schlising; A. Eagle, B. Liles 1962-8-25 2346 San Joaquin 1.5 mi N Salida, along Hwy 99 and S.P. RR. Roadside. Comment
  UCD130205  Centromadia pungens O. V. Patton 1930-5-15 2155 San Joaquin Exact location unknown. Comment
  CAS-BOT-BC279287  Centromadia pungens subsp. pungens K. Brandegee 1914-9-27 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC279288  Centromadia pungens subsp. pungens David D. Keck 1933-8-23 2503 San Joaquin Corral Hollow (east end), 10.5 mi. S.W. of Tracy Comment
  CAS-BOT-BC279289  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2583 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279294  Centromadia pungens subsp. pungens John Thomas Howell 1930-6-28 5327 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC279300  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2579 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279302  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2580 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279303  Centromadia pungens subsp. pungens David D. Keck 1933-8-23 2503 San Joaquin Corral Hollow (east end), 10.5 mi. S.W. of Tracy Comment
  UC30955  Centromadia pungens subsp. pungens H. P. Fitch 125 San Joaquin Stockton Comment
  UC30961  Centromadia pungens subsp. pungens J. A. Sanford 1890-1 14 San Joaquin French Camp Comment
Read comments
Nov 7 2007
  UC30963  Centromadia pungens subsp. pungens F. T. Bioletti 1891-5-1 San Joaquin Lathrop Comment
  UC480896  Centromadia pungens subsp. pungens Katharine Brandegee San Joaquin Lathrop Comment
  UC73975  Centromadia pungens subsp. pungens J. A. Sanford 22 San Joaquin Waverly Comment
  CAS-BOT-BC279292  Centromadia pungens subsp. pungens David D. Keck 1932-6-26 1503 San Joaquin Nilegarden Station, 3 miles west of Manteca Comment
  CAS-BOT-BC279296  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12849 San Joaquin 2 miles south of Stockton on Tracy road Comment
  CAS-BOT-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-BC222954  Cephalanthus occidentalis Volney Rattan 1881-7-7 s.n. San Joaquin Mokelumne Riv. Comment
  CAS-BOT-BC222955  Cephalanthus occidentalis Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi. W. of San Joaquin Riv. Comment
  CAS-BOT-BC222962  Cephalanthus occidentalis E. E. Stanford 1926-10-28 93 San Joaquin Near Stockton Comment
  CAS-BOT-BC222964  Cephalanthus occidentalis Brian Atwater 1978-8-24 BA- 107 San Joaquin Between Rindge Tract and Wright Tract Comment
  RSA14517  Cephalanthus occidentalis L. S. Rose, John T. Howell 1933-7-19 33300 San Joaquin San Joaquin River Bridge. 3 miles from Lathrop. River Levee. Comment
  RSA460027  Cephalanthus occidentalis E. E. Stanford 1930-08 1873 San Joaquin San Joaquin Delta. Jones Tract. Comment
  JEPS85901  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UC28128  Cephalanthus occidentalis var. californicus J. Burtt Davy 1893-11-13 1178 San Joaquin Stockton Comment
  UC580096  Cephalanthus occidentalis var. californicus Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi w San Joaquin River Comment
  UCR233211  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2010-4-7 15832 A San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  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
  UCR232293  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-3-29 17098 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
  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
  UCD98049  Cerastium glomeratum G. F. Hrusa; S. A. Wagner 1992-4-22 9282 San Joaquin Caswell Memorial State Park. Comment
  SEINET3406205 Image available Cerastium viscosum P. O. Schallert 1945-3-29 San Joaquin Waste places near Stockton, California. Comment
  SEINET3406297 Image available Cerastium viscosum Unknown 1945-3-8 s.n. San Joaquin Near Stockton, San Joaquin County, California. Comment
  CAS-BOT-BC400159  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  SEINET7040051  Chamaesyce albomarginata A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  POM138053  Chamaesyce glyptosperma Harriet Ann Walker 1907-9-8 910 San Joaquin San Joaquin County: Lathrop Comment
  UC136685  Chamaesyce ocellata Katharine Brandegee 1907-10-1 San Joaquin near Stockton Comment
  JEPS91379  Chamaesyce ocellata subsp. ocellata Dean Wm. Taylor with Glenn Clifton 1991-6-10 11211 San Joaquin vernal pools along Goose Creek, on stony alluvial terraces on S boundary Section 27 70 Comment
  JEPS52367  Chamaesyce serpyllifolia Harriet A. Walker 1907-9-8 910 San Joaquin Lathrop Comment
  UC110085  Chamaesyce serpyllifolia T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  RSA789503  Chenopodium George K. Helmkamp, E. Helmkamp 2011-10-15 18430 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SD240974  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-15 18430 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  CAS-BOT-BC175679  Chenopodium album G. K. Helmkamp; E. A. Helmkamp 2007-10-13 13096 San Joaquin Northern San Joaquin Valley: along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  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
  UCD158842  Chenopodium album G. F. Hrusa; S. A. Wagner 1992-7-7 9180 San Joaquin San Joaquin County. Caswell Memorial State Park. Comment
  JEPS59715  Chenopodium ambrosioides W. L. Jepson 1913-11-22 5694 San Joaquin Middle River San Joaquin Delta 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
  CDA3048  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  CDA3055  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  CDA3056  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-24 San Joaquin Near Manteca. 0 Comment
  RSA18398  Chenopodium atrovirens C. B. Wolf 1927-6-23 508 San Joaquin 3 miles W of Manteca. Comment
  UC7287  Chenopodium botrys J. A. Sanford 1890-1 28 San Joaquin Stockton Comment
  RSA21270  Chenopodium californicum C. B. Wolf 1937-3-31 8384 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  RSA478571  Chenopodium leptophyllum var. leptophyllum E. E. Stanford 1930-08 1865 San Joaquin Lincoln Hwy near Paradise Cut. Comment
  CDA3068  Chenopodium murale J. B. Gianelli 1975-7-11 San Joaquin 1642 Paloma Avenue, Stockton. 0 Comment
  CDA37741  Chorispora tenella C. Beutler 1975-4-16 s.n. San Joaquin South side of Eight Mile Road, 450 yds. east of W.P.R.R. tracks, seven miles southwest of Lodi. 0 Comment
  UCD58739  Chorizanthe polygonoides var. polygonoides Charlotte Kimball 2007-5-14 s.n. San Joaquin Comanche Reservoir. 1000 ft. SW of spillway. 60 Comment
  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
  RSA519061  Cichorium intybus L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, S side of Dry Creek. Comment
  POM147748  Cicuta douglasii E. E. Stanford 1927-8-10 676 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  UC175998  Cirsium crassicaule W. N. Suksdorf 1913-6-4 111 San Joaquin Lathrop Comment
  UC30793  Cirsium crassicaule Alice Eastwood 1893-5-26 San Joaquin near Lathrop Comment
  UC91564  Cirsium crassicaule J. W. Congdon 1896-5-17 San Joaquin Lathrop Comment
  CAS-BOT-BC280114  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  CAS-BOT-BC280115  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  UC469077  Cirsium vulgare Harriet A. Walker 1907-9-8 901 San Joaquin Lathrop Comment
  CAS-BOT-BC285846  Cirsium vulgare E. E. Stanford 1926-10-12 50 San Joaquin Near Stockton Comment
  POM352186  Cirsium vulgare E. E. Stanford 1927-9-26 214 San Joaquin Stockton, near Louis Park Comment
  UCD130446  Cirsium vulgare G. F. Hrusa 1992-8-26 9549 San Joaquin Caswell Memorial State Park, in western park of park. Comment
  RSA739700  Citrullus colocynthis John Dittes 2003-10-17 851 San Joaquin Northern San Joaquin Valley; ca. 12.7 air-miles south by southwest of Lathrop, ca. 2.5 air-miles west by northwest of Vernalis, ca. 0.6 air-mile east by northeast of intersection of I-5 and Vernalis Road (Hwy 132). 49 Comment
  CDA6714  Citrullus lanatus var. citroides R. Vargo 1996-10-1 s.n. San Joaquin Victoria Island between Stockton and Brentwood. 0 Comment
  CAS-BOT-BC162551  Clarkia affinis John Thomas Howell 1952-4-22 28309 San Joaquin Corral Hollow Comment
  UC1143227  Clarkia affinis H. Lewis, C. Epling 1947-5-2 198 San Joaquin 18.0 mi w U.S. Highway 50 at Tracy (Corral Hollow Road between Livermore and Tracy) Comment
  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
  UC1745775  Claytonia Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 786 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. 167 Comment
  UCD96904  Claytonia parviflora Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6945 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UCD100760  Claytonia perfoliata Terri Williamson 1990-4-28 15 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UC7894  Claytonia perfoliata subsp. perfoliata F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC440050  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1936-2-20 36012 San Joaquin Ripon 21 Comment
  UCD95589  Clematis ligusticifolia G. F. Hrusa 1992-8-25 9541 San Joaquin Caswell Memorial State Park. Comment
  JEPS5872  Collinsia bartsiifolia var. bartsiifolia Robert F. Hoover 1938-4-9 3030 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  UC766263  Collinsia bartsiifolia var. bartsiifolia R. F. Hoover 1938-4-9 3033 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  RSA408403  Collinsia bartsiifolia var. bartsiifolia E. E. Stanford 1930-4-12 1299 San Joaquin Mariposa Road near Cometa Road. Comment
  UCR238399  Conium maculatum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18728 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
  POM146209  Conium maculatum E. E. Stanford 1927-5-28 457 San Joaquin Stockton, Louis Park Comment
  UC23128  Convolvulus arvensis J. A. Sanford 1890-1 334 San Joaquin Stockton Comment
  UCR253496  Convolvulus arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20080 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  CAS-BOT-BC389761  Convolvulus arvensis R. D. Hennessey 1964-5-2 74 San Joaquin 1 mi. North of the Calaveras River and 7 miles northeast of the fork of the Calaveras River and the Stockton Channel Comment
  UCR235296  Conyza bonariensis George K. Helmkamp, E. A. Helmkamp 2011-11-21 18474 A San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  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
  UCR182953  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 s.n. San Joaquin 2 miles NE of Escalon Comment
  CAS-BOT-BC287187  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin E side of Escalon - Bellota Rd, ca 1 mile N of Escalon Comment
  CDA7459  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles northeast of Escalon. 0 Comment
  CDA7460  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles northeast of Escalon. 0 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
  CAS-BOT-BC427605  Crassula aquatica Brian Atwater 1978-8-24 BA- 103 San Joaquin Between Rindge [Ridge] Tract and Wright Tract 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
  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
  CDA39029  Croton setiger D. G. Kelch 2011-10-4 11 .833 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UCR201896  Croton setiger George K. Helmkamp, E. A. Helmkamp 2008-10-9 14237 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR232678  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-10-15 18429 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253791  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20059 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  CAS-BOT-BC190196  Crypsis vaginiflora C. V. Piper 1921-5-26 s.n. San Joaquin About Stockton. Comment
  CDA1920  Crypsis vaginiflora F. M. Newhall 1960-10-1 San Joaquin Bear Creek, E of Clements. 0 Comment
  POM196211  Crypsis vaginiflora E. E. Stanford 1929-11-1 1183 San Joaquin Stockton; in sand in Calaveras River bottom Comment
  RSA115549B  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north [of] Farmington, vernal pool Comment
  UC1040675  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 mi n Farmington (bed of vernal pool) Comment
  UC277167  Crypsis vaginiflora Joseph P. Tracy 1921-5-25 5790 San Joaquin Farmington San Joaquin Valley 30 Comment
  UCD37242  Crypsis vaginiflora Beecher Crampton 1958-7-22 5019 San Joaquin San Joaquin County, 9 miles south of Clements, Frazier Road, 1 mile east of Clements Road to Farmington. Comment
  UCR132238  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin Central Valley, 4.5 miles north of Farmington 30 Comment
  CAS-BOT-BC190195  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  JEPS104878  Cryptantha flaccida Dean W. Taylor 1995-4-13 14816 San Joaquin Hospital Canyon 320 Comment
  UC762464  Cryptantha flaccida R. F. Hoover 1937-4-3 1743 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  UC763024  Cryptantha nevadensis R. F. Hoover 1938-4-9 3026 San Joaquin 1 mi n 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
  JEPS33286  Cuscuta californica Rimo Bacigalupi, and L. Constance 1962-8-13 8724 San Joaquin just s Lathrop (along Southern Pacific Railway) 5 Comment
  LA210096  Cuscuta californica John Thomas Howell; 1930-10-11 5552 San Joaquin 5 mi. S of Stockton Comment
  UCD126247  Cuscuta californica Rimo Bacigalupi; L. Constance 1962-8-13 8724 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road. 5 Comment
  UCD144408  Cuscuta campestris G. F. Hrusa; M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin Caswell Memorial State Park. At west terminus of Fence Line Trail. 20 Comment
  UCR243145  Cuscuta indecora Mick Canevari 1986-1 s.n. San Joaquin Tracy 40 Comment
  UCD125818  Cuscuta indecora var. indecora Ron Kukas 1973-7-25 s.n. San Joaquin Along State Hwy 33, ca. 2 miles northwest of junction with State Hwy 32 and ca. 18 miles west of Modesto. Comment
  UCD54449  Cuscuta indecora var. indecora Ron Kukas 1973-7-25 s.n. San Joaquin Along State Hwy 33, ca. 2 miles northwest of junction with State Hwy 32 and ca. 18 miles west of Modesto. Comment
  UCD126359  Cuscuta occidentalis Ron Kukas 1973-6-14 s.n. San Joaquin on State Highway 99, south of French Camp Road, in 50 acre tomato field. Comment
  UCD54447  Cuscuta occidentalis Ron Kukas 1973-6-14 s.n. San Joaquin 50 acre tomato field south of French Camp Road on State Hwy 99. Comment
  UC173124  Cuscuta subinclusa Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge San Joaquin River Comment
  CDA5322  Cyclospermum leptophyllum J. B. Gianelli 1962-9-2 San Joaquin P. T. & T. Bldg., Lincoln Road, Stockton. 0 Comment
  UCD16101  Cyclospermum leptophyllum Mick Canevari 1999-3-25 s. n. San Joaquin California. San Joaquin County. Comment
  UCD33820  Cynara cardunculus Beecher Crampton 1973-6-28 8968 San Joaquin Stockton, just south of Mariposa road, along frontage road paralleling State Hwy. 99. Comment
  UCR132235  Cynara cardunculus Beecher Crampton 1973-6-28 8968 San Joaquin Central Valley, Stockton, just south of Mariposa Rd., along frontage road paralleling Calif. Hwy 99 9 Comment
  CDA1937  Cynodon dactylon T. C. Fuller 1961-9-13 6994 San Joaquin Delta; Sherman Island, ca. 4 miles east of Thornton; Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge. 0 Comment
  POM1180  Cynodon dactylon N. K. Berg 1903-10-12 s.n. San Joaquin Stockton Rough & Ready Island Comment
  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
  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
  UC1100531  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton Comment
  UCD141050  Cyperus eragrostis G. F. Hrusa; S. A. Wagner 1992-7-8 9157 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC114443  Cyperus eragrostis W. R. Dudley 1894-7-7 s.n. San Joaquin Unspecified Comment
  CAS-BOT-BC114444  Cyperus eragrostis John Thomas Howell 1930-9-28 5520 San Joaquin Wet soil of marsh, Holt. 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
  UCD141079  Cyperus eragrostis Herbert L. Mason; Verne Grant 1946-8-21 13056 San Joaquin between Banta and Stockton. Comment
  UCD141046  Cyperus erythrorhizos G. F. Hrusa; S. A. Wagner 1992-8-9 9325 San Joaquin Caswell Memorial State Park. Comment
  CDA20619  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. 1 Comment
  CDA2588  Cyperus esculentus M. Huffaker 1968-8-19 San Joaquin Tracy district. 0 Comment
  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
  CHSC97915  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thornton-Walnut Gove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thornton. Comment
  UCR132251  Cyperus esculentus Beecher Crampton 1954-10-18 2290 San Joaquin San Francisco Bay Region, 0.5 miles north of Thornton 3 Comment
  OBI68608  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin San Joaquin Valley. Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton Comment
  UC698520  Cyperus esculentus P. B. Kennedy Dec., 1920 San Joaquin field 1 mi. from (in <corn>) Holt (<Rindge> Land Co.) Comment
  UCD141082  Cyperus esculentus Roote 1920-12-1 s.n. San Joaquin San Joaquin Valley: MacDonald Island, near Stockton. Comment
  JEPS75004  Cyperus fuscus L. R. Heckard and P. Rubtzoff 1971-9-15 2811 San Joaquin ca. 4 air mi. s.w. Ripon; Caswell State Park, Stanislaus R. Comment
  CAS-BOT-BC114225  Cyperus fuscus LeRoy Abrams 1917-9-14 1734 San Joaquin 3 mi NW of Stockton in sand of Calaveras River. Comment
  UCD140999  Cyperus fuscus G. F. Hrusa; S. A. Wagner 1992-8-9 9338 San Joaquin Caswell Memorial State Park. On south side of river in the E part of park. Comment
  UCD141148  Cyperus rotundus F. R. Whitehead 1920-11-1 s.n. San Joaquin Thermal. Comment
  UCD37495  Cyperus squarrosus Beecher Crampton 1960-8-9 5770 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC114043  Cyperus squarrosus Peter Rubtzoff 1965-7-13 s.n. San Joaquin San Joaquin River bottom at Airport Way crossing. Comment
  UCD141105  Cyperus squarrosus G. F. Hrusa; S. A. Wagner 1992-7-8 9173 San Joaquin Caswell Memorial State Park. East part of park, north side of river. Comment
  SEINET3155119  Cypselea humifusa T. S. Brandegee 1892-5-9 sn San Joaquin San Joaquin Bridge near Lathrop Comment
  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
  UCD39758  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC435168  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin Ca. 3 miles N.E. of Vernalis, Durham Ferry Road crossing of the San Joaquin Rivers. Comment
  CAS-BOT-BC435183  Cypselea humifusa J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  CAS-BOT-BC190495  Dactylis glomerata N. K. Berg 1903-1-1 s.n. San Joaquin Stockton. Rough and Ready Road. Comment
  UC65297  Dactylis glomerata N. K. Berg 1903-12-20 San Joaquin Rough and R Isl. <Rough and Ready Island> Stockton; , Routh and R Isl. <Rough and Ready Island> Comment
  CAS-BOT-BC445541  Damasonium californicum E. E. Stanford 1930-4-17 1327 San Joaquin Clements Road Comment
  UCD61018  Danthonia californica var. americana Katharine Brandegee 1889-7-7 San Joaquin Tracy Comment
Read comments
Aug 23 2008
  UC26116  Datura ferox H. P. Fitch 1890-1 119 San Joaquin Stockton Comment
  CDA5763  Datura stramonium var. tatula T. C. Fuller 1961-9-13 6995 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  JEPS12299  Datura wrightii W. L. Jepson 1919-6-21 8335 San Joaquin near Mossdale School (San Joaquin River); San Joaquin River 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-BC299940  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-BC299946  Deinandra kelloggii E. E. Stanford 1930-5-10 1470 San Joaquin Near Stanislaus River Comment
  JEPS38270  Deinandra kelloggii W. L. Jepson 1896-6-27 San Joaquin near Stockton Comment
  CAS-BOT-BC299943  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299944  Deinandra kelloggii David D. Keck 1933-10-28 2586 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299945  Deinandra kelloggii M. K. Curran 1885-5-30 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC299950  Deinandra kelloggii W. M. Heusi 1932-5-30 214 San Joaquin Escalon Comment
  NY353313  Delphinium californicum var. interius A. Eastwood 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  RSA0005302  Delphinium californicum var. interius Alice Eastwood, John T. Howell 1938-5-24 5796 San Joaquin Hospital Canyon. Comment
  UC765769  Delphinium gypsophilum R. F. Hoover 1938-5-10 3412 San Joaquin 1 mi e Midway Comment
  LA207495  Delphinium hesperium subsp. pallescens Lewis; Epling 1946-5-6 608 San Joaquin Tesla- Corral Hollow Rd., 17.1 mi. W of junction W; U.S. 50 near Tracy Comment
  UC1713217  Delphinium hesperium subsp. pallescens Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UC69616  Delphinium hesperium subsp. pallescens Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UCD96919  Delphinium parishii subsp. parishii Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6956 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
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May 14 2015
  SJSU3102  Delphinium parryi subsp. parryi W. R. Gibson 1955-5-15 San Joaquin Corral Hollow, Mt Hamilton Range Comment
  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-BC116443  Delphinium patens subsp. patens Alice Eastwood; John Thomas Howell 1935-4-7 2093 San Joaquin East end of Corral Hollow Comment
  UC9226  Delphinium recurvatum J. A. Sanford 1890-1 90 San Joaquin Stockton 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
  LA38655  Delphinium variegatum H. Lewis; Carl Epling 1946-5-6 607 San Joaquin Tesla-Corral Hollow Rd, 17.3 mi. W of junction with US Hwy. 50; W. of Tracy Comment
  JEPS68492  Deschampsia danthonioides W. L. Jepson 1929-4-28 15194 San Joaquin Lockeford Comment
  UCD62787  Deschampsia danthonioides Beecher Crampton 1966-5-3 7684 San Joaquin Ca. 7 3/4 miles NNE of Lodi; Liberty and Bruella Roads. Comment
  UCD78137  Dichelostemma capitatum Robert E. Preston 2008-3-15 2587 San Joaquin 3.8 mi E of Clements, on W side of Cord Rd, 0.9 mi S of jct with Hwy 12 58 Comment
  UCD139240  Dichelostemma capitatum Craig P. Martz 1982-3-10 20 San Joaquin North side of State route 88, 0.5 mile south of San Joaquin county line. 82 Comment
  UCD96913  Dichelostemma capitatum subsp. capitatum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6951 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  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
  CAS-BOT-BC209017  Digitaria sanguinalis E. E. Stanford 1926-10-22 75 San Joaquin Stockton Comment
  POM146102  Digitaria sanguinalis E. E. Stanford 1926-10-22 75 San Joaquin Stockton; on campus Comment
  UCD64128  Digitaria sanguinalis G. F. Hrusa; S. A. Wagner 1992-8-9 9371 San Joaquin Caswell Memorial State Park, in W part of park. Comment
  UCR201918  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2008-10-9 14231 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  CAS-BOT-BC151367  Diplacus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt 15 Comment
  CAS-BOT-BC151359  Diplacus tricolor John Thomas Howell 1930-4-12 4677 San Joaquin 7 miles from Escalon on road to 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-BC151369  Diplacus tricolor D. K. Gillespie; J. W. Gillespie 1930-4-24 9225 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC151370  Diplacus tricolor Roxana S. Ferris 1953-5-15 12645 San Joaquin On road between Everett School & intersection with Bellota-Farminton Road ca. 1 mi. W of intersection. Comment
  UCD64194  Distichlis spicata B. A. Madson 1928-11-22 San Joaquin Stockton. 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
  SBBG133735  Dittrichia graveolens G. K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin St Hwy 26, 0.6 mi NE of Escalon-Bellota Rd 40 Comment
  UCD130768  Dittrichia graveolens Robert E. Preston 2001-9-29 1776 San Joaquin Ca. 3.8 mi sw of Vernalis, at jct I-5 and I-580, along shoulder 158 Comment
  UCD78107  Dittrichia graveolens Robert E. Preston 2001-9-29 1776 San Joaquin Ca. 3.8 mi sw of Vernalis, at jct I-5 and I-580, along shoulder 158 Comment
Read comments
Aug 15 2010
  UCD78112  Dittrichia graveolens Robert E. Preston 1997-9-23 1050 San Joaquin Lawrence Livermore Laboratory, Site 300, along Route 2 198 Comment
  UCR232601  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-10-15 18427 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SEINET7076108  Dodecatheon clevelandii subsp. patulum A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC22403  Dodecatheon clevelandii subsp. patulum J. A. Sanford 1890-1 61 San Joaquin W Stockton Comment
  UC673356  Dodecatheon clevelandii subsp. patulum H. L. Mason 1927-4-7 5201 San Joaquin 4 mi e Clements; e of Clements Comment
  JEPS27273  Dodecatheon hendersonii Rimo Bacigalupi 1961-2-27 7543 San Joaquin just below and s of drop-tower installation Atomic Energy Commission (in canyon to n of Corral Hollow just e of Alameda-San Joaquin county line); Midway USGS Quadr., n of Corral Hollow 243 Comment
  RSA654063  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin 7 3/4 miles NNE of Lodi, intersection of Liberty and Bruella roads. Comment
  UC764546  Downingia bella R. F. Hoover 1935-5-12 563 San Joaquin sw of Modesto (along San Joaquin River) Comment
  RSA289456  Downingia bicornuta Rimo Bacigalupi, Alex D. Hawkes 1951-4-21 3258 San Joaquin Along State Hwy 4, 4 miles E of Stockton. Comment
  POM134883  Downingia bicornuta Chas. Davidson 1885-07 102 San Joaquin San Joaquin River. Comment
  UC1189257  Downingia bicornuta var. picta S. Galen Smith 1957-5-24 2935 San Joaquin by the Farmington to Bellota road (near the entrance to J. Bentoni ranch) Comment
  UC499756  Downingia bicornuta var. picta D. K. and J. W. Gillespie 1935-4-24 9234 San Joaquin 4 mi s Galt Comment
  UC903255  Downingia bicornuta var. picta Ethel Crum 1932-5-1 1421 San Joaquin 2 mi ne Lockeford Comment
  UCD33076  Downingia bicornuta var. picta Beecher Crampton 1966-5-3 7688 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  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
  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
  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
  UC596492  Downingia insignis R. F. Hoover 1937-5-18 2185 San Joaquin French Camp Comment
  CDA42325  Downingia insignis T. C. Fuller 1962-5-1 8295 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 Comment
  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
  POM195907  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters. Comment
  UC1192047  Downingia ornatissima var. eximia F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1987 San Joaquin 0.6 mi n Collegeville (on road toward Lockeford, e of road) Comment
  UC765628  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC1189253  Downingia ornatissima var. ornatissima S. G. Smith 1957-5-11 2895 San Joaquin 3 mi n Valley Home (near Cometa, 0.5 mi se of junction of Cometa and Dodds roads between the road and the railroad tracks) Comment
  JEPS108492  Downingia ornatissima var. ornatissima Lisa Schultheis 1996-5-10 300 -96 San Joaquin W of Warnerville, where Warnerville Rd. crosses the train tracks, 2.5 mi E of Emery Road. Comment
  UC766252  Downingia pulchella R. F. Hoover 1940-4-27 4365 San Joaquin near San Joaquin City (River Road) Comment
  CDA25365  Dudleya cymosa J. B. Gianelli 1977-5-16 San Joaquin Hospital Creek Canyon, Tracy. 0 Comment
  UCD98648  Dysphania ambrosioides G. F. Hrusa; S. A. Wagner 1992-8-9 9329 San Joaquin Caswell Memorial State Park. Comment
  UCD98791  Dysphania chilensis Collector Unknown 1928-10-1 1444 San Joaquin Stockton. Comment
  CAS-BOT-BC291092  Eastwoodia elegans Alice Eastwood; John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC291094  Eastwoodia elegans H. M. Hall; F. M. Essig 1916-6-1 10141 San Joaquin Corral Hollow, on the easterly slope of the Mt. Diablo range of southwestern San Joaquin County 120 Comment
  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
  UCD60842  Echinochloa crus-galli Beecher Crampton 1957-8-23 4587 San Joaquin Along US Hwy. 99 freeway, 3 miles S of Stockton. Comment
  UCR201899  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-9 14241 San Joaquin San Joaquin Valley, Dogtown, c. 12 miles NE of Lodi, Collier Road at Mackville Road, 1.1 miles west of CA-88 37 Comment
  CAS-BOT-BC197221  Echinochloa crus-pavonis Brian Atwater 1978-8-24 BA- 118 San Joaquin Between Rindge Tract and Wright Tract Comment
  UCD60949  Echinochloa crus-pavonis P. B. Kennedy 1928-9-30 San Joaquin Near Holt, delta region. Comment
  UCR253542  Echinochloa muricata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20085 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  CAS-BOT-BC197233  Echinochloa muricata var. muricata L. R. Abrams 1917-9-14 6739 San Joaquin 3 mi. northwest of Stockton - Calaveras River Comment
  UC88709  Eclipta prostrata T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC912246  Eclipta prostrata Herbert L. Mason 1928-9-30 4966 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC291132  Eclipta prostrata E. E. Stanford 1927-9-26 722 San Joaquin Stockton. At edge of San Joaquin River Comment
  CAS-BOT-BC291134  Eclipta prostrata J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UC1023868  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin along e side of Old River Channel near junction with False River; Old River Channel Comment
  CAS-BOT-BC445825  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, southwest of Holt Comment
  CAS-BOT-BC451501  Egeria densa H. L. Mason 1938-8-26 12075 San Joaquin Trapper Slough, Robert's Island, southwest of Holt Comment
  CDA37674  Egeria densa R. Breckenridge/D. Kratville 2001-8-8 s.n. San Joaquin In Sacramento-San Joaquin Delta; from Highway 12 south to Antioch Bay. 0 Comment
  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
  UCD139988  Eichhornia crassipes Herbert L. Mason; Verne Grant 1946-8-21 13063 San Joaquin west of Stockton on Borden Highway. Comment
  UC762319  Elatine triandra R. F. Hoover 1937-6-10 2402 San Joaquin 2 mi ne Clements Comment
  JEPS19435  Eleocharis acicularis K. Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  UC1157923  Eleocharis macrostachya Alex D. Hawkes 1951-4-21 4801 San Joaquin 10 mi E of Stockton 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
  CAS-BOT-BC197328  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along n. bank of Coyote Creek, n.e. of Collier Rd. & Linn Rd., ca. 2.5 mi. n. of Clements Comment
  CDA2029  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along north bank of Coyote Creek, northeast of Collier Road & Linn Road, ca. 2.5 miles north of Clements. 0 Comment
  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
  JEPS110500  Eleusine tristachya Robert E. Preston 2004-11-16 2304 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 Comment
  RSA190720  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin hay storage yard at Lockeford, , along n. bank of Coyote Creek, n.e. of Colliner Rd. & Linn Rd., ca. 2.5 mi. n. of Clements Comment
  RSA269273  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1. m. s. of Lodi Comment
  RSA749834  Eleusine tristachya George K. Helmkamp, E. A. Helmkamp 2008-10-9 14227 San Joaquin 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
  UCD61223  Eleusine tristachya N. E. Hartman 1975-10-27 San Joaquin Lockeford. Comment
  UCD61225  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 mile S of Lodi. 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
  UCD61258  Eleusine tristachya R. S. Baskett 1970-10-1 San Joaquin On south side of Kingdon Road, 1/2 mile E of Thornton Road, ca. 5 miles SW of Lodi. Comment
  UCR201901  Eleusine tristachya George K. Helmkamp, E. A. Helmkamp 2008-10-9 14227 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  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
  CAS-BOT-BC451539  Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin At junction of Jack Road and Highway #120, 2 mi. east of Manteca Comment
  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
  SEINET9629253 Image available Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin At junction of Jack Road and Highway #120, 2 miles east of Manteca. Comment
  POM359957  Elymus multisetus E. E. Stanford 1930-5-26 1523 San Joaquin Harvey Lane; roadsides Comment
  UCD62556  Elymus repens G. F. Hrusa; S. A. Wagner 1992-4-22 9266 San Joaquin Small colony in opening immediately E of the group camp showers. Caswell Memorial State Park. Comment
  SJSU10793  Elymus triticoides subsp. triticoides H. T. Harvey 1977-6-11 585 San Joaquin S Spud Island in San Joaquin River Delta c. 10 mi NW of center of Stockton Comment
  JEPS1585  Emmenanthe penduliflora A. R. Arnold 1922-4-30 San Joaquin Corral Hollow, Inner South Coast Ranges Comment
  RSA478368  Endolepis covillei E. E. Stanford 1930-08 1863 San Joaquin Lincoln Hwy, near French Camp. Comment
  CDA25628  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2008-10-9 14229 San Joaquin San Joaquin Valley; Junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, northeast of Lodi. Comment
  UC173123  Epilobium brachycarpum Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UCR201926  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-10-9 14229 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR253799  Epilobium brachycarpum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20063 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCR45225  Epilobium brachycarpum A. C. Sanders 1986-9-12 6918 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  UC249620  Epilobium campestre Joseph P. Tracy 1921-5-25 5788 San Joaquin Bed of pool San Joaquin Valley, Farmington 30 Comment
  UC596386  Epilobium campestre R. F. Hoover 1936-6-11 1301 San Joaquin Farmington Comment
  UC765022  Epilobium cleistogamum Robert F. Hoover 1935-6-12 644 San Joaquin Farmington San Joaquin Valley (beds of vernal pools) Comment
  SEINET200778  Epilobium cleistogamum Joseph P. Tracy 1921-5-25 5787 San Joaquin Farmington San Joaquin County. 30 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
  JEPS74991  Eragrostis hypnoides L. R. Heckard and P. Rubtzoff 1971-9-15 2809 San Joaquin ca. 4 air mi. s.w. Ripon (Stanislaus R. at Caswell State Park); Caswell State Park, Stanislaus R. Comment
  POM147735  Eragrostis hypnoides E. E. Stanford 1927-9-17 706 San Joaquin Stockton Comment
  UC1116689  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin Durham Ferry Road ca 3 mi ne Vernalis (crossing of the San Jaoquin River); San Joaquin River Comment
  UC188865  Eragrostis hypnoides Michener and Bioletti 1891-8-31 144 San Joaquin Lathrop Comment
  UC38312  Eragrostis hypnoides Michener and Bioletti 1891-8-30 144 San Joaquin Lathrop Comment
  UCD37493  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin San Joaquin County, 3 miles northeast of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC204639  Eragrostis mexicana subsp. virescens L. R. Abrams 1914-9-14 6740 San Joaquin 3 mi northwest of Stockton - Calaveras River Comment
  POM352245  Eragrostis mexicana subsp. virescens Flossie Draper 1927-9-27 26 San Joaquin near campus Comment
  UC769861  Eragrostis mexicana subsp. virescens R. F. Hoover 1937-6-9 2394 San Joaquin 5 mi se Stockton Comment
  UCD63818  Eragrostis mexicana subsp. virescens Beecher Crampton 1956-7-30 3739 San Joaquin eastern city limits of Lockeford. Comment
  UCD64101  Eragrostis mexicana subsp. virescens Alan A. Beetle 1946-8-5 4411 San Joaquin 3 miles north of Lockford. Comment
  UCD38678  Eragrostis pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  UCD64498  Eragrostis pectinacea Fleming 1934-1 s.n. San Joaquin near Oakdale. Comment
  UCD64320  Eragrostis pectinacea var. pectinacea Beecher Crampton 1956-7-30 3744 San Joaquin 4.8 miles north of Farmington. Comment
  CAS-BOT-BC203326  Eremalche parryi Alice Eastwood; John Thomas Howell 1935-4-7 2099 San Joaquin East end of Corral Hollow Comment
  POM61829  Eremalche parryi C. F. Baker 1923-4-25 2869 San Joaquin Tracy Comment
  UC575685  Eremalche parryi Alice Eastwood and John Thomas Howell 1935-4-7 2099 San Joaquin e. end Corral Hollow Comment
  UC596565  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  UC763043  Eremalche parryi R. F. Hoover 1935-4-21 551 San Joaquin Corral Hollow Comment
  RSA0010428  Eremalche parryi subsp. kernensis Anonymous 1937-3-27 s.n. San Joaquin Near Shafter, San Joaquin Valley. Comment
Read comments
Jul 13 2018
  UC17614  Eremocarpus setiger J. A. Sanford 240 San Joaquin Robert's Island San Joaquin Valley Comment
  CAS-BOT-BC287515  Ericameria linearifolia Peter H. Raven; et al. 1957-3-30 10564 San Joaquin Corral Hollow Comment
  UC87259  Ericameria nauseosa var. speciosa unknown San Joaquin Basaltic Cliffs Comment
  UCD131711  Erigeron bonariensis G. F. Hrusa 1992-8-26 9531 San Joaquin Caswell Memorial State Park. Near Oxbow Lake. Comment
  UCR201921  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2008-10-9 14234 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  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
  UCD65697  Eriochloa acuminata Robert E. Preston 2004-8-27 2289 San Joaquin 7.4 mi E of Galt, along Elliot Rd. 27 Comment
  UCD101512  Eriogonum G. L. Stebbins Jr.; Alva Day 1966-3-12 6312 San Joaquin near bridge at lower end of Corral Hollow. Comment
  CAS-BOT-BC248547  Eriogonum angulosum W. H. Brewer 1861-10-18 851 San Joaquin At Camp 61, Corral Hollow Comment
  CAS-BOT-BC248548  Eriogonum angulosum Alice Eastwood; John Thomas Howell 1935-4-7 2101 San Joaquin East end of Corral Hollow Comment
  POM165494  Eriogonum angulosum Katherine Brandegee 1907-10-2 s.n. San Joaquin Along railroad track near Stockton Comment
  POM248708  Eriogonum angulosum Alice Eastwood, John T. Howell 1938-4-18 5078 San Joaquin Hospital Canyon Comment
  UC618358  Eriogonum angulosum Alice Eastwood, John Thomas Howell 1938-4-18 5078 San Joaquin Hospital Canyon Comment
  UC6211  Eriogonum angulosum Benj. Cobb 1900-4-10 20 San Joaquin Tracy Comment
  UC903031  Eriogonum angulosum Ethel Crum 1932-10-16 1485 San Joaquin 9 mi sw Tracy (e end of Corral Hollow); Corral Hollow 152 Comment
  SEINET5328312  Eriogonum angulosum K. Brandegee 1907-10-2 s.n. San Joaquin Along railroad track near Stockton. 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
  UC161887  Eriogonum gracile Katharine Brandegee Sept. 1907 San Joaquin near Lathrop Comment
  UC762631  Eriogonum gracile R. F. Hoover 1940-12-1 4705 San Joaquin middle part of Corral Hollow Corral Hollow Comment
  RSA229  Eriogonum gracile var. gracile J. T. Howell 1927-8-27 706 San Joaquin Near Manteca, San Joaquin Valley 15 Comment
  CAS-BOT-BC259463  Eriogonum luteolum Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  CAS-BOT-BC259464  Eriogonum luteolum Volney Rattan No date on label s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC259465  Eriogonum luteolum V. Rattan 1880-10-23 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  CAS-BOT-BC261451  Eriogonum nudum var. nudum Mrs. Ella D. Cantelow 1957-7-19 s.n. San Joaquin 3.5 miles west of Manteca Comment
  CAS-BOT-BC269737  Eriogonum nudum var. oblongifolium Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  JEPS61370  Erodium botrys W. L. Jepson 1929-4-28 15202 San Joaquin Clements 60 Comment
  UCR253607  Erodium botrys George K. Helmkamp 2014-3-18 22572 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UCD103034  Erodium botrys Dr. Geo Hart 1936-3-28 s.n. San Joaquin Animal Husbandry Div. San Joaquin Valley. Comment
  UCD103130  Erodium brachycarpum G. F. Hrusa; S. A. Wagner 1992-3-4 9078 San Joaquin Caswell Memorial State Park. Comment
  POM147725  Erodium cicutarium E. E. Stanford 1928-3-2 782 San Joaquin Stockton. Comment
  SEINET3289502 Image available Erodium cicutarium P. O. Schallert 1945-3-8 C 29 San Joaquin Near Stockton, California Comment
  UC1130285  Erodium cicutarium R. D. Roseberry 1935-5-13 161 San Joaquin Mokelumne River Jackson Quad. 60 Comment
  UC17081  Erodium cicutarium J. A. Sanford 1890-1 112 San Joaquin Waverly Comment
  UC17086  Erodium cicutarium Jos. Burtt Davy 1901-3-3 San Joaquin Lathrop Comment
  CDA1  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Tracy. 0 Comment
  CDA56  Erodium macrophyllum var. californicum A. R. Tugel Apr 1938 s.n. San Joaquin Near Tracy, in nursery. 0 Comment
  POM196271  Erodium moschatum C. R. Quick 1929-2-3 s.n. San Joaquin Campus, Stockton. Comment
  UC17108  Erodium moschatum J. A. Sanford 1890-1 50 San Joaquin Stockton Comment
  UC17109  Erodium moschatum J. A. Sanford 1890-1 365 San Joaquin Waverly Comment
  UC32458  Eryngium aristulatum var. aristulatum F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC1487255  Eryngium castrense Yusuf Sheikh 1972-5-25 533 San Joaquin on Funk Rd. 0.7 mi. w. Waverly Comment
  UC764151  Eryngium castrense R. F. Hoover 1937-6-9 2393 San Joaquin 5 mi. e. Stockton Comment
  UC1487256  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin 0.3 mi. w. of Stanislaus Co. line on Funk Rd. Comment
  JEPS2586 Image available Eryngium castrense var. vallicola W. L. Jepson 1896-6-27 14278 San Joaquin Escalon San Joaquin Valley; Escalon, San Joaquin Valley, San Joaquin Co. Comment
  CAS-BOT-BC211107  Eryngium pinnatisectum Gladys L. Smith 1959-5-1 1039 San Joaquin Eastern edge of Wallace 60 Comment
  JEPS14006 Image available Eryngium racemosum W. L. Jepson 1923-10-22 10287 San Joaquin San Joaquin City San Joaquin River; San Joaquin City, San Joaquin River, San Joaquin Co. Comment
  UC32459  Eryngium racemosum F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC762974  Eryngium racemosum R. F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon Comment
  JEPS2587 Image available Eryngium vaseyi W. L. Jepson 1896-6-27 14278 San Joaquin Escalon San Joaquin Valley; Escalon, San Joaquin Valley, San Joaquin Co. Comment
  UC32460  Eryngium vaseyi F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  SEINET9112149  Eryngium vaseyi Unknown C- 1112 San Joaquin San Joaquin City marker Comment
  CAS-BOT-BC54448  Erysimum capitatum H. L. Mason 1932-3-19 6820 San Joaquin Two miles east of Midway between Mountain House and Tracy. Comment
  CAS-BOT-BC54450  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-4-18 5086 San Joaquin Hospital Canyon. 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
  SEINET4856316  Eschscholzia arvensis Carl 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-BC403521  Eschscholzia californica John Thomas Howell 1938-4-10 13759 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC403527  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  JEPS51765  Eschscholzia californica Audrey Lambourne 1916-4-2 San Joaquin near Stockton Comment
  JEPS51790  Eschscholzia californica W. L. Jepson 1902-5-18 1821 San Joaquin Clements 40 Comment
  OBI11813  Eschscholzia californica Carl B. Wolf 1937-3-31 8388 San Joaquin San Joaquin Valley, 1/2 mi N of Vernalis 30 Comment
  UC142899  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  UC766001  Eschscholzia californica Robert F. Hoover 1935-3-1 255 San Joaquin Vernalis Comment
  CAS-BOT-BC403528  Eschscholzia californica A. A. Heller 1906-4-14 8177 San Joaquin Tracy Comment
  RSA22047  Eschscholzia californica var. peninsularis J. T. Howell 1938-4-10 13759 San Joaquin Hospital Canyon Comment
  RSA21454  Eschscholzia californica var. peninsularis Carl B. Wolf 1937-3-31 8388 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  RSA97992  Eschscholzia lemmonii J. M. Tucker 1952-4-19 2351 San Joaquin Foothills on Southern border of Carrizo Plain, NE of Caliente Mtn Comment
  CAS-BOT-BC419476  Eschscholzia lobbii Volney Rattan 1885-3-20 s.n. San Joaquin Live Oaks Comment
  CHSC22896  Eschscholzia lobbii Robert A. Schlising 1963-4-5 2841 San Joaquin Junction of Hwy 8 and Ospital Road. Comment
  RSA135434  Eschscholzia lobbii Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  UC10057  Eschscholzia lobbii A. W. Gunnison 1896-4-18 San Joaquin Linden Comment
  CAS-BOT-BC419475  Eschscholzia lobbii E. E. Stanford 1929-4-7 1032 San Joaquin Near Peters, Hewitt Road Comment
  UCD95356  Eschscholzia lobbii Beecher Crampton 1975-4-16 9146 San Joaquin 3 miles north of Clements along Liberty Road. Comment
  JEPS104687  Eschscholzia rhombipetala John L. Morrison 1940-3-17 3122 San Joaquin Corral Hollow; ca. 1/8 mi SE of Castle Rock Comment
  JEPS104688  Eschscholzia rhombipetala John L. Morrison 1940-3-17 3122 San Joaquin Corral Hollow; ca. 1/8 mi SE of Castle Rock Comment
  SEINET12190740  Eucalyptus viminalis E. E. Stanford 1927-1 95 San Joaquin Stockton 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
  UCD142395  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Terminous. Comment
  UCD77527  Euphorbia maculata Robert E. Preston 2004-7-30 2277 San Joaquin Ca. 13.4 mi NE of Lodi. 29 Comment
  UCD142634  Euphorbia nutans Daryl Koutnik 1988-8-25 s.n. San Joaquin City of Stockton at 541 Lillian, east of Hwy 99. 22 Comment
  JEPS22122  Euphorbia oblongata T. C. Fuller 1958-9-19 1252 San Joaquin 0.25 mi w Stockton (n side of Hwy 4, 0.5 mi w Woodsbro Rd) Comment
  CDA4868  Euphorbia oblongata M. Switzenberg 1958-9-29 San Joaquin North side of Highway 4, 1/2 mile west of Woodsbro Road, 4 miles west of Stockton. 0 Comment
  UCD77521  Euphorbia ocellata subsp. ocellata Robert E. Preston 2004-7-29 2274 San Joaquin Ca. 13.4 mi NE of Lodi 49 Comment
  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
  UCD142816  Euphorbia serpillifolia Daryl Koutnik 1988-6-7 s.n. San Joaquin Acampo, north of Lodi at 5401 Jahant Road, 1 mile east of Hwy 99. 22 Comment
  JEPS73875  Euphorbia spathulata L. R. Heckard 1974-4-25 3669 San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank> on grounds of Atomic Energy Commission, Univ. of Calif. testing site in Corral Hollow); Corral Hollow, Atomic Energy Commission, <UC> testing site 304 Comment
  CAS-BOT-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
  JEPS40670  Euthamia occidentalis W. L. Jepson 1913-11-22 5689 San Joaquin Middle River Comment
  UCR253794  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20069 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  CAS-BOT-BC312282  Euthamia occidentalis E. E. Stanford 1926-10-5 28 San Joaquin Calaveras River bottom, Stockton 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
  SEINET3271554 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14469 San Joaquin San Joaquin Valley; along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  UCR208314  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14469 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  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
  UCR233210  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2010-4-7 15833 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  UCR207843  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2009-3-26 14463 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCD111863  Ficus carica G. F. Hrusa 1992-8-25 9559 San Joaquin Caswell Memorial State Park. Stanislaus River. 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
  UCD39028  Fimbristylis vahlii Beecher Crampton 1960-8-9 5769 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CDA39695  Forestiera neomexicana T. C. Fuller 1962-4-24 8218 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  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-BC384219  Forestiera pubescens subsp. parvifolia E. E. Stanford 1930-4-5 1212 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC53584  Frangula californica subsp. tomentella Volney Rattan s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53585  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53586  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211626  Frankenia salina L. R. Abrams 1915-7-27 5318 San Joaquin San Joaquin Valley, near Volta Comment
  UC580112  Frankenia salina Ira L. Wiggins 1934-8-17 6981 San Joaquin 2 mi w San Joaquin River Comment
  CAS-BOT-BC223539  Fraxinus latifolia Barrett Anderson 1987-10-24 3629 San Joaquin North arm of LIttlejohn's Creek at Van Allen Road Comment
  CAS-BOT-BC223541  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley, 1 mi. W of Farmington 30 Comment
  CAS-BOT-BC223547  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley. 1 mi West of Farmington 30 Comment
  RSA24063  Fraxinus latifolia Carl B. Wolf 1940-11-6 9779 San Joaquin San Joaquin Valley, 1 mile west of Farmington 30 Comment
  UC580051  Fraxinus latifolia Ira L. Wiggins 1934-10-25 6983 San Joaquin 1 mi w San Joaquin River Comment
  UC774712  Fraxinus latifolia C. B. Wolf 1940-11-6 San Joaquin 1 mi n Lodi; San Joaquin Valley, Mokelumne River 15 Comment
  SEINET13943096 Image available Fraxinus oregona Carl B. Wolf 1940-1 9780 San Joaquin San Joaquin Valley, 1 mi N of Lodi on Mokelumne River; ca. 50 ft alt. 15 Comment
  UCD96912  Galium aparine Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6950 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CDA42202  Galium triflorum F. H. Newhall 1960-5-1 # 4119 San Joaquin J.C. Harris property, Lockeford 0 Comment
  SEINET4691720  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2011-1 17074 San Joaquin Upper San Joaquin Valley: between Lodi and Galt, Forest Lake Road just west of CA-99. 27 Comment
  UCD103350  Geranium dissectum G. F. Hrusa 1992-4-24 9316 San Joaquin Caswell Memorial State Park. Comment
  POM65174  Gilia achilleifolia C. F. Baker 1903-4-27 s.n. San Joaquin Bethany Comment
  SJSU11650  Gilia capitata subsp. pedemontana S. R. Piazza 1963-5-19 San Joaquin Ripon c. 15 mi NW of Modesto Comment
  JEPS69574  Gilia capitata subsp. staminea W. L. Jepson 1922-4-2 9582 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow 182 Comment
  RSA516992  Gilia capitata subsp. staminea Barbara Ertter 1986-3-14 5786 San Joaquin Corral Hollow in Diablo Range SE of Livermore, along Tesla Rd. (Rt. J12) 3.5 mi W of jct I-580 152 Comment
  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
  UC1005616  Gilia capitata subsp. staminea Frank W. Gould 1939-3-18 580 San Joaquin open hillslopes near Castle Rock (Corral Hollow); Mt. Hamilton Range, , near Castle Rock 198 Comment
  UC907894  Gilia capitata subsp. staminea W. E. Fair 1929-4-14 San Joaquin Old River Antioch, Old River Comment
  UC932023  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1948-5-19 8510 San Joaquin on highway 120 in sandy field 2.5 mi e Manteca; e of Manteca Comment
  JEPS86029  Gilia minor R. F. Hoover 1937-4-3 1745 San Joaquin lower end 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
  RSA537735  Gilia tricolor W. L. Jepson 1922-4-2 9558 San Joaquin Corral Hollow, Mt. Hamilton Range. 152 Comment
  SJSU11621  Gilia tricolor R. L. Fisher 1958-3-8 San Joaquin 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
  SD241129  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15835 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33a^z) of Clements (Goose Creek 7.5'Q) 78 Comment
  SEINET11261868  Gilia tricolor subsp. tricolor George Helmkamp, E. A. Helmkamp 2010-4-7 15835 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (331/4) of Clements (Goose Creek 7.5' Q); 0 79 Comment
  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
  UC1055821  Gilia tricolor subsp. tricolor Frank W. Gould 1940-3-16 880 San Joaquin near Castle Rock (Corral Hollow); Mt. Hamilton Range, near Castle Rock, Corral Hollow 259 Comment
  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
  JEPS33273  Glinus lotoides Rimo Bacigalupi and L. Constance 1962-8-13 8711 San Joaquin just n of site of San Joaquin City (just above waterline of San Joaquin River, just n of bridge of the Durham Ferry Road); San Joaquin River 3 Comment
  JEPS42883  Glinus lotoides W. L. Jepson 1923-10-22 10284 San Joaquin San Joaquin City, San Joaquin River San Joaquin River; San Joaquin City, San Joaquin River Comment
  UC115340  Glinus lotoides T. S. Brandegee 1892-9-9 San Joaquin San Joaquin Bridge Comment
  UC115341  Glinus lotoides K. Brandegee 1892-9-9 San Joaquin San Joaquin Bridge near Lathrop Comment
  UCD77743  Glinus lotoides Robert E. Preston 2004-7-29 2275 San Joaquin Ca. 13.4 mi NE of Lodi 29 Comment
  CAS-BOT-BC435010  Glinus lotoides J. W. Stacey 1922-10-1 s.n. San Joaquin Near Banta Comment
  CDA3382  Glinus lotoides J. F. Silva 1964-10-27 San Joaquin Escalon district. 0 Comment
  JEPS95269  Glyceria declinata Margaret W. Flesher 1993-3-12 San Joaquin Foothills NE Of Modesto San Joaqin and Stanislaus counties Comment
  UCD55218  Glyceria declinata John Gerlach 2006-5-24 s.n. San Joaquin Lane Ranch. Comment
  CAS-BOT-BC303342  Gnaphalium palustre 1880-6-1 s.n. San Joaquin [Gill Creek?], Live Oaks 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
  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
  OBI16378  Grindelia camporum Robert F. Hoover 1965-9-24 9647 San Joaquin River Rd near San Joaquin River just N of Stanislaus County line Comment
  POM202658  Grindelia camporum J. T. Howell 1932-10-16 10849 San Joaquin Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road. Comment
  UCR45224  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  UCR194726  Grindelia camporum var. camporum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13079 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  CAS-BOT-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-BC304974  Grindelia hirsutula E. E. Stanford 1927-9-26 719 San Joaquin Stockton 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-BC304980  Grindelia hirsutula J. T. Howell No date on label s.n. San Joaquin Holt Comment
  CAS-BOT-BC304983  Grindelia hirsutula R. F. Hoover 1965-9-24 9647 San Joaquin River Road near San Joaquin River just north of Stanislaus Co. line Comment
  CAS-BOT-BC304984  Grindelia hirsutula L. R. Abrams 1920-9-30 7782 San Joaquin Near Banta Comment
  CAS-BOT-BC304985  Grindelia hirsutula Ira L. Wiggins 1940-8-12 9532 b San Joaquin 1 mi. NW. of San Joaquin River bridge on U. S. Highway 50 Comment
  CAS-BOT-BC304986  Grindelia hirsutula Ira L. Wiggins 1934-7-28 6944 San Joaquin 3.2 miles east of Escalon Comment
  SEINET3142946  Grindelia hirsutula M. P. Dunford 1959-10-31 572 San Joaquin 5.5 mi. NE of Tracy; 2.5 mi. SW of Hwy 50 bridge across San Joaquin River Comment
  UC1491981  Grindelia hirsutula J. L. Strother 1977-7-19 1278 ter San Joaquin ca. 2 mi n Escalon Comment
  UC1714871  Grindelia hirsutula Max P. Dunford 1959-10-31 572 San Joaquin 5.5 mi NE of Tracy (2.5 mi SW of hiway 50 bridge across San Joaquin R.) Comment
  UC32116  Grindelia hirsutula F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32172  Grindelia hirsutula Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC419707  Grindelia hirsutula Mrs. H. P. Bracelin 1930-10-11 88 San Joaquin nearing Stockton one mi w San Joaquin Bridge Comment
  UC87892  Grindelia hirsutula T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge 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
  UC764955  Guillenia flavescens R. F. Hoover 1938-4-9 3050 San Joaquin lower end Corral Hollow Comment
  RSA97102  Guillenia flavescens Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  POM143657  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  UC137299  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  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
  CDA14354  Gutierrezia californica J. Allan 1997-8-19 San Joaquin both sides of Corral Hollow Road, southwest of Tracy. 0 Comment
  UC36817  Gutierrezia californica State Survey 1861-10-1 San Joaquin Camp #61 Corral Hollow Comment
  UCR194719  Gypsophila elegans George K. Helmkamp, E. A. Helmkamp 2007-10-13 13084 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UC188807  Hainardia cylindrica Mr. Sanford San Joaquin Stockton Comment
  CAS-BOT-BC306282  Hedypnois cretica E. E. Stanford 1930-4-26 1419 San Joaquin Copperopolis Rd. west of Peters Comment
  CAS-BOT-BC306531  Helenium bigelovii Brian Atwater 1978-8-31 BA- 131 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC309390  Helenium puberulum E. E. Stanford 1926-10-7 40 San Joaquin Stockton, Calaveras River bottom Comment
  CAS-BOT-BC305459  Helianthus annuus Herman Knoche 1919-11-10 Series A, No. 3013 San Joaquin Lodi Comment
  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
  UC32262  Helianthus annuus H. P. Fitch 1888-8-10 145 San Joaquin Stockton Comment
  UC469042  Helianthus annuus Harriet A. Walker 1907-9-8 914 San Joaquin beyond drawbridge Lathrop 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
  UCR232676  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2011-10-15 18431 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  CAS-BOT-BC305457  Helianthus annuus E. E. Stanford 1927-8-31 694 San Joaquin Stockton Comment
  CAS-BOT-BC305458  Helianthus annuus E. E. Stanford 1926-8-26 2 San Joaquin Stockton Comment
  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-BC305778  Helianthus nuttallii Brian Atwater 1978-8-16 BA- 32 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC305779  Helianthus nuttallii Brian Atwater 1978-8-16 BA- 32 San Joaquin Between Quinby Island and Franks Tract Comment
  SEINET4008520 Image available Helianthus petiolaris var. canescens G. L. Stebbins Jr. 1946-1 sn San Joaquin 3.7 miles east of Manteca on route 120 to Escalon, south side of road between unpainted frame house and shingle cottage with olive trees in front and red privy in back. Comment
  CDA6558  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  SEINET3293530 Image available Heliotropium curassavicum subsp. oculatum P. O. Schallert 1945-5-30 San Joaquin Stockton, Delta Area 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
  UCD119424  Heliotropium curassavicum var. oculatum G. F. Hrusa 1992-8-26 9554 San Joaquin Caswell Memorial State Park. Comment
  UCD119429  Heliotropium curassavicum var. oculatum Randy A. Moehnke 1979-5-20 40 San Joaquin 110 yards south of Airport Way, 30 yards west of San Joaquin River. Comment
  CAS-BOT-BC305853  Helminthotheca echioides E. E. Stanford 1926-10-12 56 San Joaquin Near Stockton Comment
  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
  RSA182045  Hemizonia kelloggii W. L. Jepson 1896-7-17 s.n. San Joaquin Near Stockton; Lower San Joaquin Comment
  RSA6489  Hemizonia kelloggii William M. Heusi 1932-5-30 214 San Joaquin Escalon. Comment
  SEINET11848426  Hemizonia kelloggii W. L. Jepson 1896-1 s.n. San Joaquin near Stockton Comment
  RSA215222  Hemizonia parryi subsp. rudis D. D. Keck 1933-10-28 2572 San Joaquin Farmington Road, 0.7 mile from intersection with Hwy 99, ca. 3 miles E of Stockton. Comment
  CDA20331  Hemizonia pungens P. Akers 2005-5-12 s.n. San Joaquin 150 ft W of intersection of Whiskey Slough Rd and Lower Jones Rd, between RR tracks and EBMUD Mokelumne Aquaduct. 0 Comment
  CDA7795  Hemizonia pungens J. B. Gianelli 1960-3-29 San Joaquin Thornton Road, 1 mile south of Kingdon Road. (Off I-5, west of Lodi) 0 Comment
  SEINET5336911  Herniaria cinerea K. Brandegee 1907-5-7 s.n. San Joaquin Near Tracy, on the first cross road to the west. Comment
  UC101586  Herniaria hirsuta subsp. cinerea Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UC85562  Herniaria hirsuta subsp. cinerea Katharine Brandegee 1907-5-7 San Joaquin on the first cross road to the w near Tracy Comment
  CAS-BOT-BC388503  Herniaria hirsuta var. cinerea F. R. Lawson 1930-5-27 s.n. San Joaquin Lone Tree Canyon. South of Tracy Comment
  CAS-BOT-BC388504  Herniaria hirsuta var. cinerea Roxana S. Ferris 1938-4-15 9405 San Joaquin At the mouth of Corral Hollow Comment
  CAS-BOT-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
  RSA790198  Hesperevax caulescens J. R. Shevock 1985-4-20 11116 San Joaquin Flying M Ranch north of California highway 140. Bear Creek drainage. 91 Comment
  SBBG26795  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin ca. 9 mi SE of Stockton at jct of Austin Rd and Little John Crk Comment
  UC629721  Hesperevax caulescens H. L. Mason 1939-4-16 12081 San Joaquin Junction of Austin Road and Little John Creek; Stockton Comment
  SEINET10939141  Heterocodon rariflorum Mason Mason 6974 San Joaquin CLEMENTS Comment
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  UC856338  Heterodraba unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow 121 Comment
  SEINET3386868 Image available Heterotheca grandiflora P. O. Schallert 1945-1-10 s.n. San Joaquin Delta area near Stockton, California Comment
  CAS-BOT-BC310940  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island 3 Comment
  RSA0075853  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island. 15 Comment
  RSA0075854  Heterotheca grandiflora A. A. Heller 1938-4-9 15020 San Joaquin Upper Sherman Island. Comment
  RSA0075856  Heterotheca grandiflora Cyril R. Owen 1927-12-12 9 San Joaquin Waterfront channel. [No further location information.] Comment
  UC135251  Heterotheca oregona var. scaberrima Katharine Brandegee 1907-10-2 San Joaquin Stockton Comment
  JEPS9103  Hibiscus lasiocarpos Roy M. Filcher 1914-9-12 San Joaquin Moorland, lower San Joaquin Comment
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Dec 3 2008
  JEPS9104  Hibiscus lasiocarpos Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  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
  CAS-BOT-BC123647  Hibiscus moscheutos subsp. lasiocarpos Annie Montague Alexander; L. Kellogg 1943-9-1 3526 San Joaquin Middle River Bridge, on a small, narrow island near bridge Comment
  CAS-BOT-BC123648  Hibiscus moscheutos subsp. lasiocarpos Annie Montague Alexander; L. Kellogg 1943-9-1 3526 San Joaquin Middle River Bridge, on a small, narrow island near bridge Comment
  UC632813  Hippuris vulgaris H. L. Mason 1938-8-26 12077 San Joaquin s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough Comment
  CDA25243  Hirschfeldia incana G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13085 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCD115124  Hirschfeldia incana G. F. Hrusa; S. A. Wagner 1992-4-22 9275 San Joaquin Caswell Memorial State Park. Comment
  UCD84862  Holcus lanatus Beecher Crampton 1965-7-12 7456 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD84900  Holcus lanatus G. F. Hrusa 1992-8-26 9528 San Joaquin Caswell Memorial State Park. Low opening along the nature trail between the campgrounds and picnic areas. Comment
  CAS-BOT-BC324600  Holocarpha obconica John Thomas Howell 1932-10-16 10843 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC324602  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin Corral Hollow (east end), 10.5 miles southwest of Tracy Comment
  CDA7982  Holocarpha obconica Harkness, Peterson, Croce 1975-6-19 San Joaquin Railroad right of way, ca. 5 miles southwest of Tracy. 0 Comment
  OBI16049  Holocarpha obconica Robert F. Hoover 1965-9-24 9646 San Joaquin River Rd just N of Stanislaus Co line, near San Joaquin river Comment
  UC990596  Holocarpha obconica James I. McMurphy 1908-10-19 San Joaquin hills 3-4 mi out of Tracy Comment
  UCR201894  Holocarpha obconica George K. Helmkamp, E. A. Helmkamp 2008-10-9 14236 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR45226  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  CAS-BOT-BC320378  Holocarpha virgata C. C. Parry 1881-8-1 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC320346  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 Comment
  CAS-BOT-BC320377  Holocarpha virgata Gladys L. Smith 1959-5-1 1045 San Joaquin Near Wallace Comment
  OBI75387  Holocarpha virgata subsp. virgata David J. Keil 1988-8-23 20991 San Joaquin Liberty Road, 4.2 miles east of Hwy 99. 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
  UC73789  Hordeum brachyantherum subsp. brachyantherum Mr. Sanford San Joaquin Stockton Comment
  CAS-BOT-BC285039  Hordeum depressum E. E. Stanford 1930-4-5 1260 San Joaquin Durham Ferry Road Comment
  CAS-BOT-BC285041  Hordeum depressum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Campus Comment
  POM352454  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-3 115 San Joaquin Stockton. Comment
  HSC10198  Hordeum murinum subsp. leporinum C. S. Chavez 1965-4-10 28 San Joaquin Hwy. 50 downtown Tracy Comment
  UC73791  Hordeum murinum subsp. leporinum Mr. Sanford 1890-4-11 37 San Joaquin Waverly Comment
  UCR253603  Hordeum murinum subsp. leporinum George K. Helmkamp 2014-3-18 22579 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  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-BC400804  Hypericum anagalloides Volney Rattan 1885-6-5 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  SEINET3387516 Image available Hypochaeris glabra P. O. Schallert 1945-3-18 123 San Joaquin Open fields near Stockton, California, San Joaquin Co. Comment
  UC770078  Isoetes orcuttii R. F. Hoover 1936-4-30 1053 San Joaquin 2 mi n Escalon Comment
  CAS-BOT-BC101967  Juglans hindsii E. E. Stanford 1930-4-26 1417 San Joaquin Milton Rd. west of Peters Comment
  UCD110271  Juglans hindsii G. F. Hrusa 1992-8-25 9537 San Joaquin Caswell Memorial State Park. Comment
  POM146208  Juncus acuminatus E. E. Stanford 1927-5-2 454 San Joaquin Stockton. Comment
  UCD141334  Juncus balticus subsp. ater G. F. Hrusa; S. A. Wagner 1992-4-2 9298 San Joaquin Caswell Memorial State Park, just west of westernmost parking area. Comment
  POM147776  Juncus bufonius E. E. Stanford 1927-4-19 164 San Joaquin Stockton. Comment
  UC1601702  Juncus bufonius J. A. Sanford 1890-1 339 San Joaquin Stockton Comment
  UC766181  Juncus bufonius R. F. Hoover 1940-12-7 4710 San Joaquin 2 mi e Midway Comment
  UCD141515  Juncus effusus subsp. pacificus G. F. Hrusa; S. A. Wagner 1992-4-22 9301 San Joaquin Caswell Memorial State Park. 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-BC80916  Juniperus californica E. E. Stanford 1930-4-5 1217 San Joaquin Hospital Canyon Comment
  JEPS97647  Juniperus californica Annetta M. Carter 1947-3-23 1781 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  JEPS97701  Juniperus californica Annetta M. Carter 1947-3-23 1780 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  UC1751043  Juniperus californica Annetta M. Carter 1947-3-23 1781 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  UC1753831  Juniperus californica Annetta M. Carter 1947-3-23 1780 San Joaquin Hills W of Castle Rock, 18 mi. E of Livermore, E end of Corral Hollow. Comment
  SEINET10531623  Juniperus californica E. E. Stanford 1930-4-5 Stanford 1217 San Joaquin Hospital Canyon. Hillsides. Herbarium of the College of the Pacific. Comment
  POM215189  Kickxia elatine D. D. Keck 1933-10-28 2578 San Joaquin 3 miles N of Stockton. Comment
  JEPS24326  Kickxia spuria G. Thomas Robbins with Robert Ornduff and Howard Whisler 1959-10-25 4172 San Joaquin 3.5 mi e Farmington (banks and in stream bed of Duck Creek, along State Highway 4, 0.5 mi w of Stanislaus County line, in first low rolling foothills of the Sierra Nevada); Sierra Nevada, Duck Creek 42 Comment
  CAS-BOT-BC340435  Lactuca saligna John Thomas Howell 1932-10-16 10846 San Joaquin Tesla Road, 8 miles west of Tracy Comment
  UCD133565  Lactuca serriola G. F. Hrusa 1992-8-26 9542 San Joaquin to the immediate west of the westernmost parking area. Caswell Memorial State Park. Comment
  CAS-BOT-BC340720  Laennecia coulteri Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi Comment
  UCD133599  Laennecia coulteri G. F. Hrusa 1992-8-26 9544 San Joaquin Caswell Memorial State Park, on dirt road to immediate north or northern edge of Hidden Lake. Comment
  UC33063  Lagophylla glandulosa Jos. Burtt Davy 1893-11-13 1175 San Joaquin Stockton Comment
  CAS-BOT-BC341451  Lagophylla ramosissima W. M. Heusi 1932-5-30 215 San Joaquin Escalon Comment
  UC2043151  Lagophylla ramosissima Barbara Ertter with Tina Carlson and CNPS members 1994-4-23 12444 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca. 10 air miles SW of Tracy. Comment
  RSA409531  Lamium amplexicaule Cyril R. Owen 1927-10-14 s.n. San Joaquin Campus, College of the Pacific. Comment
  SD241068  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2012-4-7 18718 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 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
  RSA611568  Lappula squarrosa R. S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi. Comment
  SEINET3913692  Lappula squarrosa Russell S. Woglum 1941-4-27 2987 San Joaquin San Joaquin Valley: Lodi.; 0 Comment
  SEINET3245759  Lasthenia californica G. K. Helmkamp, E. A. Helmkamp 2009-1 14468 San Joaquin San Joaquin Valley: along CA-88/ 12 in Lockeford, 0.3 mile northeast of Elliott Road (Lockeford 7.5') 24 Comment
  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-BC324466  Lasthenia conjugens Edw. L. Greene 1887-4-17 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
  JEPS10386  Lasthenia fremontii W. L. Jepson 1929-4-28 15199 San Joaquin Clements 60 Comment
  JEPS12796  Lasthenia fremontii Rimo Bacigalupi with G. T. Robbins 1955-5-5 4996 San Joaquin Peters station; Southern Pacific Railroad Comment
  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
  UC1363789  Lasthenia fremontii Robert Ornduff 1957-5-24 4192 San Joaquin 0.7 mi sw Calaveras-San Joaquin County line (next to Hwy 8) Comment
  UC614823  Lasthenia fremontii Beryl O. Schreiber 1932-3-27 140 San Joaquin near Midway Comment
  CAS-BOT-BC355491  Lasthenia glaberrima D. K. Gillespie; J. W. Gillespie 1930-4-24 9232 San Joaquin 4 miles south of Galt Comment
  POM146132  Lasthenia glaberrima E. E. Stanford 1927-4-12 148 San Joaquin Near Stockton. Comment
  CAS-BOT-BC352812  Lasthenia glabrata subsp. glabrata E. E. Stanford 1927-3-23 102 San Joaquin Stockton Comment
  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
  POM226880  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  RSA396106  Lasthenia glabrata subsp. glabrata C. B. Wolf 1937-5-11 8604 San Joaquin 3 miles N of Stockton. 8 Comment
  JEPS18185  Lasthenia microglossa Rimo Bacigalupi with F. Chisaki 1956-4-5 5583 San Joaquin about 1.5 mi n Corral Hollow Rd. (in first side canyon to the ne (.45 mi) of the Alameda-San Joaquin County line off of Corral Hollow) 396 Comment
  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
  UCD96916  Lasthenia microglossa Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6953 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
  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-BC368714  Lasthenia minor E. E. Stanford 1928-4-19 890 San Joaquin Stockton Comment
  CAS-BOT-BC368715  Lasthenia minor E. E. Stanford 1928-3-20 813 San Joaquin Peters 45 Comment
  CAS-BOT-BC385628  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  JEPS9672  Lasthenia minor W. L. Jepson 1937-4-23 18012 San Joaquin ca 5 mi se on Farmington road Stockton Comment
  JEPS9906  Lasthenia minor A. D. Tenney 1915-4-14 San Joaquin Comment
  RSA18936  Lasthenia minor Roxana S. Ferris 1938-4-15 9404 San Joaquin Near gravel pit at the mouth of Corral Hollow. Comment
  RSA21463  Lasthenia minor C. B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  SJSU11828  Lasthenia minor R. L. Fisher 1958-3-10 San Joaquin Corral Hollow Comment
  UC1005618  Lasthenia minor Frank W. Gould 1939-3-18 576 San Joaquin base of Castle Rock Mt. Hamilton Range, Corral Hollow, Castle Rock 198 Comment
  UC1363826  Lasthenia minor Robert Ornduff 1958-2-23 4750 San Joaquin 4.6 mi w of crossing of road and Delta-Mendota canal. or 6.8 mi sw of Highway 50 Corral Hollow Creek; Tesla-Corral Hollow Road Comment
  UC614971  Lasthenia minor Beryl O. Schreiber 1932-3-27 136 San Joaquin Midway Comment
  UC718454  Lasthenia minor Carl B. Wolf 1937-3-31 San Joaquin sw of Vernalis; San Joaquin Valley, Mouth of Hospital Canyon 106 Comment
  POM195973  Lasthenia minor E. E. Stanford 1928-3-20 813 San Joaquin Peters. 46 Comment
  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
  RSA90263  Lathyrus jepsonii subsp. californicus J. T. Howell 1933-7-20 11446 San Joaquin Lathrop bridge on San Joanquin River Comment
  JEPS1781  Lathyrus jepsonii var. californicus Edward Lee Greene 1889-1 San Joaquin Stockton Comment
  UC1035806  Lathyrus jepsonii var. californicus Annie M. Alexander and Louise Kellogg 1943-6-26 3454 San Joaquin Byron to Stockton highway (Middle River bridge); San Joaquin Valley, Middle River Comment
  UCD106253  Lathyrus jepsonii var. californicus G. F. Hrusa; S. A. Wagner 1992-4-22 9240 San Joaquin Caswell Memorial State Park. Approx. 200 meters to west of westernmost parking area. Comment
  UC61035  Lathyrus jepsonii var. jepsonii N. K. Berg 1903-11 San Joaquin Routh & Ready Comment
  CDA5004  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
  UC1190283  Lavatera cretica Ira L. Wiggins 1958-4-13 14322 San Joaquin at corner of Patterson Road and Grant Line Road Comment
  UC761873  Layia chrysanthemoides R. F. Hoover 1937-5-6 2082 San Joaquin 5 mi se Stockton Comment
  HSC23112  Layia fremontii Gary J. Stebbins 1970-3-28 53 San Joaquin Along S.R. 88, 1.5 mi. SW of the county line. 37 Comment
  JEPS39102  Layia fremontii W. L. Jepson 1929-4-28 15205 San Joaquin Clements 60 Comment
  UC30614  Layia fremontii J. A. Sanford 1890-1-1 San Joaquin Waverly 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
  HSC5902  Layia fremontii D. A. Shally 1965-4-10 4 San Joaquin 3 mi. E of Balota, Hwy. 26, Linden Rd. Comment
  POM361722  Layia fremontii Clarence R. Quick 1929-4-14 s.n. San Joaquin Peters. Comment
  UCD33924  Layia fremontii Beecher Crampton 1975-4-16 9149 San Joaquin 3 miles N.E. of Clements, jct. of Liberty road and Hwy. 88. Comment
  JEPS119427  Layia munzii G. K. Helmkamp, E. A. Helmkamp 2010-4-7 15836 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements. Comment
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Apr 16 2019
  UCR233466  Layia munzii George K. Helmkamp, E. A. Helmkamp 2010-4-7 15836 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements 79 Comment
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May 24 2020
  CAS-BOT-BC380869  Layia platyglossa Roxana S. Ferris 1938-4-15 9397 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow 60 Comment
  CAS-BOT-BC380870  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380872  Layia platyglossa M. K. Curran 1884-1-1 s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380873  Layia platyglossa Carl B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  UC2044624  Layia platyglossa George K. Helmkamp with E. A. Helmkamp 2010-4-7 15823 San Joaquin Northeast San Joaquin Valley junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements. (Clements 7.5' Q.) Comment
  UC615308  Layia platyglossa Beryl O. Schreiber 1932-3-27 141 San Joaquin near Midway Comment
  RSA21464  Layia platyglossa subsp. campestris C. B. Wolf 1937-3-31 8398 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC1056242  Leersia oryzoides Virginia E. Long 1930-9-1 8 a San Joaquin near Holt Comment
  UCD36788  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin San Joaquin County, 6.4 miles south of Thornton. Comment
  UCR80870  Leersia oryzoides G. Fred Hrusa, S. A. Wagner 1992-7-8 9153 San Joaquin Caswell Memorial State Park. Comment
  UCD18847  Legenere limosa Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-23 155 San Joaquin 1 mi. south along Hwy 88 from intersection of Liberty Rd, 1 mi. east of Hwy 88 along dirt ranch road, Lane site, pool # LAN043. Comment
  UC1036118  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 mi w of Farmington 30 Comment
  CAS-BOT-BC534390  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 miles west of Farmington 30 Comment
  JEPS79584  Lemna minor Edward Lee 1934-7-4 971 San Joaquin between Middle and Old River ((San Joaquin) drainage ditch, Borden Highway); Borden Highway Comment
  JEPS414  Lemna minuscula W. L. Jepson 1923-5-25 9904 San Joaquin Middle River Comment
  SD117136  Lemna minuta Wayne P. Armstrong 1984-8-23 1215 San Joaquin Roadside ditch, south side [of] Highway 4, 3 miles southwest of Holt. 2 Comment
  SD117137  Lemna minuta Wayne P. Armstrong 1984-8-22 1214 San Joaquin Trapper Slough, north side of Highway 4, approximately 4 miles west of Holt. 2 Comment
  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-BC88871  Lepidium chalepense Bellue 1932-6-1 s.n. San Joaquin Unspecified. Comment
  RSA293043  Lepidium dictyotum Reino Alava 1957-3-30 582 San Joaquin San Joaquin Valley, hillside at Corral Hollow. Comment
  CAS-BOT-BC88959  Lepidium dictyotum E. E. Stanford 1928-3-10 801 San Joaquin Between Turners and Atlanta. Comment
  UC764777  Lepidium dictyotum var. acutidens Robert F. Hoover 1935-3-1 251 San Joaquin w of Ripon (San Joaquin River Bridge); San Joaquin River Comment
  UCD115344  Lepidium didymum Ron Baskett 1974-6-6 s.n. San Joaquin location unknown. Comment
  NY76540  Lepidium latifolium D. W. McNeal 1982-7-7 2660 San Joaquin At the end of the slough north of Eight Mile Road, 0.6 mile west of Interstate #5 north of Stockton Comment
  UCD115702  Lepidium latifolium G. F. Hrusa; S. A. Wagner 1992-7-8 9171 San Joaquin On riverbank side of Oxbow Bar. Caswell Memorial State Park. Comment
  POM195962  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  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-BC12557  Lepidium nitidum John Thomas Howell 1931-3-16 5784 San Joaquin 3 miles southeast of Tracy. Comment
  CAS-BOT-BC12558  Lepidium nitidum John Thomas Howell 1931-3-16 5784 San Joaquin 3 miles southeast of Tracy. Comment
  JEPS53699  Lepidium nitidum W. L. Jepson 1922-4-2 9586 San Joaquin lower part Corral Hollow; Mt. Hamilton Range, Castle Rock 182 Comment
  UC10666  Lepidium nitidum J. A. Sanford 1890-1 404 San Joaquin Waverly Comment
  UC10602  Lepidium strictum J. A. Sanford 1890-1 407 San Joaquin Waverly Comment
  JEPS88952  Lepidium virginicum N. K. Berg 1903-12-5 San Joaquin Rough & Ready Island Lower San Joaquin Comment
  CAS-BOT-BC13052  Lepidium virginicum var. menziesii N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Ready Island. Stockton. Comment
  CAS-BOT-BC329362  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin Wash of Hospital Creek SW of Vernalis at Interstate Hwy 580 Comment
  JEPS74315  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin sw Vernalis (at Highway 580, wash of Hospital Creek); wash of Hospital Creek Comment
  UC1069789  Lepidospartum squamatum R. W. Lundh 1932-6-1 115 San Joaquin mouth Hospital Canyon; Carbona Quad., mouth of Hospital Canyon 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
  JEPS74995  Leptochloa fascicularis L. R. Heckard and P. Rubtzoff 1971-9-15 2807 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road ((ca 7 mi sw of Manteca)) Comment
  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
  CHSC116255  Leptochloa fusca subsp. uninervia Barbara Wilson 2015-9-19 18813 San Joaquin Stockton; 9583 Roberts Road. 1 Comment
  CAS-BOT-BC226594  Leptosiphon ambiguus G. T. York 1935-4-10 s.n. San Joaquin Hospital Canyon (4 mi. up the canyon) Comment
  RSA0001377  Lessingia germanorum var. vallicola John T. Howell 1927-8-27 3065 San Joaquin Near Manteca. 15 Comment
  OBI48833  Lessingia pectinata var. tenuipes Michener & Boletti, Boletti September 1892 s.n. San Joaquin San Joaquin bridge Comment
  POM57784  Lessingia pectinata var. tenuipes Michener, F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  UC33155  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC33156  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC468917  Lessingia pectinata var. tenuipes Harriet A. Walker 1907-9-8 932 San Joaquin in front Catholic church (Lathrop); 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
  POM147755  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Calaveras River; Near Stockton Comment
  UCD65604  Leymus triticoides G. F. Hrusa; S. A. Wagner 1992-4-22 9270 San Joaquin Caswell Memorial State Park. Comment
  UCD87586  Leymus triticoides Mrs. H. P. Kelley 1916-5-23 s.n. San Joaquin San Joaquin County. Comment
  SEINET10531268  Libocedrus decurrens Carl C. Epling 1931-10-3 Epling s.n. 1931 San Joaquin Strawberry Valley, San Jacinto Mts. 5000 feet. Comment
  CAS-BOT-BC451655  Lilaea scilloides John Thomas Howell 1930-4-12 4680 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC451656  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC451660  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 15 Comment
  RSA25118  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 16 Comment
  UC517525  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 mi from Escalon (on road to Stockton) Comment
  CAS-BOT-BC211112  Lilaeopsis masonii Brian Atwater 1979-3-17 BA- 182 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC211113  Lilaeopsis masonii Brian Atwater 1978-8-24 BA- 102 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  UC1260481  Lilaeopsis masonii Charles Patterson 1980-9-13 San Joaquin small islet of tules at w. end of Morrison Isl. (vicinity of confluence of Fourteen Mile Slough, Stockton Deep Water Ship Channel); Holt 7 1/2 Quad., Stockton Deep Water Ship Channel Comment
  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
  UCR123621  Lilaeopsis masonii Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  RSA27974  Limnanthes alba C. L. Hitchcock 1940-4-29 6303 San Joaquin 3 miles south of Galt. 16 Comment
  OBI64513  Limnanthes alba David J. Keil 2005-3-13 30361 San Joaquin Just W of Amador county line along Calif Rte 88, 5.5 mi NE of Mokelumne River bridge 82 Comment
  UC971831  Limnanthes alba subsp. alba Charles T. Mason Jr. 1948-4-24 1143 San Joaquin 3 mi n Mokelumne River Bridge (on State Hwy 88) 60 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
  JEPS12795  Limnanthes douglasii subsp. rosea Rimo Bacigalupi with G. T. Robbins 1955-5-5 4995 San Joaquin Peters Station; on Southern Pacific railroad 30 Comment
  OBI12573  Limnanthes douglasii subsp. rosea Robert F. Hoover 1936-3-19 805 San Joaquin Banta Comment
  RSA181882  Limnanthes douglasii subsp. rosea Paul C. Hutchison 1963-3-24 2676 San Joaquin 1.7 miles south of Amador County line on Hiway 88, 4.3 miles north of Mokulemne River Bridge. Comment
  SEINET7076107  Limnanthes douglasii subsp. rosea A. G. Vestal 1955-4-1 3600 San Joaquin About 17.5 miles west of Farmington on Route 4. (NAD 27; 37.9322? deg. North Latitude, 121.3141? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UC1046592  Limnanthes douglasii subsp. rosea Alex D. Hawkes and R. Bacigalupi 1951-4-21 4802 San Joaquin State Road 4 near Farmington Comment
  UC17893  Limnanthes douglasii subsp. rosea J. A. Sanford 1890-1 362 San Joaquin Waverly Comment
  UCD84995  Limnanthes douglasii subsp. rosea Dena Grossenbacher; Maxime Lambert 2009-3-27 958 San Joaquin Along east side of Highway 88, 6.5 miles northeast of the Highway 12-Highway 88 junction. Private ranch. 48 Comment
  POM196043  Limnanthes douglasii subsp. rosea E. E. Stanford 1929-4-7 1025 San Joaquin Peters. Comment
  RSA435688  Limnanthes douglasii subsp. rosea Clarence R. Quick 1929-4-13 s.n. San Joaquin C.O.P. Aviation Field, Stockton. Comment
  SEINET6670595  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-25 1160 San Joaquin Along state highway 4 about 1.8 mile west of cross-road to Milton and Knights Ferry 61 Comment
  SEINET6670606  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-24 1145 San Joaquin 7 miles northeast of Clements along State Highway 88 91 Comment
  UCD116525  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9152 San Joaquin along Highway 88, NE portion of the county. 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
  UC23692  Linanthus liniflorus J. A. Sanford 1890-1 87 San Joaquin Stockton street Stockton Comment
  UC907995  Linanthus liniflorus Herbert L. Mason 1928-5-3 4458 San Joaquin 6 mi n Clements Comment
  UC963946  Linanthus pygmaeus R. F. Hoover 1938-4-9 3035 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow 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
  SBBG47326  Lindernia dubia var. anagallidea P. Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  SEINET3162015  Lippia nodiflora Unknown sn San Joaquin Lathrop Comment
  CAS-BOT-BC430971  Lithophragma bolanderi Volney Rattan 1885-3-25 s.n. San Joaquin In wheat field Live Oaks Comment
  UC1745877  Loeflingia squarrosa var. squarrosa Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 788 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. Comment
  CAS-BOT-BC342365  Logfia gallica E. E. Stanford 1930-4-26 1439 San Joaquin Wheatland Rd. Comment
  CAS-BOT-BC283560  Lolium multiflorum E. E. Stanford 1930-4-12 1298 San Joaquin Mariposa Road near Cometa Road Comment
  SEINET3291988 Image available Lolium perenne Unknown 1945-4-22 San Joaquin Near Stockton Comment
  SEINET10927385  Lolium perenne E. E. Stanford 1930-4-18 Stanford 1361 San Joaquin Thornton Road, wet ditches. Comment
  SEINET10599283  Lolium remotum E. E. Stanford 1930-4-12 Stanford 1298 San Joaquin Mariposa Rd. near Cometa Rd. Wet roadsides. Comment
  SEINET4138037 Image available Lolium rigidum T. C. Fuller 1973-5-10 19972 San Joaquin Plant Materials Center, Soil Conservation Service, U. S. Dept. of Agriculture, Elliott Rd., 1.5 mi. N of Lockeford Comment
  UC765829  Lomatium caruifolium var. caruifolium Robert F. Hoover 1936-4-30 1052 San Joaquin 2 mi. n. Escalon Comment
  CDA38341  Lomatium caruifolium var. denticulatum L. Todd 1968-4-1 s.n. San Joaquin West end of Liberty Road, north of Clements. 0 Comment
  UCD18307  Lotus corniculatus Mick Canevari 2001-1-1 s.n. San Joaquin alfalfa field. Comment
  CDA14316  Lotus purshianus J. Allan 1998-8-4 s.n. San Joaquin San Joaquin Valley; Stewart Tract, Tracy. 0 Comment
  UCR201919  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14232 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
  RSA406290  Lotus unifoliolatus E. E. Stanford 1930-8-9 1878 San Joaquin Calaveras River bottom near Stockton. Comment
  UC1561986  Lotus wrangelianus Barbara Ertter with Dale McNeal 1986-3-14 5788 San Joaquin 3.5 mi w Tesla Rd (Rt. J12) jct with I-580 (along Tesla Rd (Rt J12), se of Livermore); Diablo Range, Corral Hollow 152 Comment
  UC555422  Lotus wrangelianus Herbert L. Mason 1932-3-19 6821 San Joaquin 2 mi e Midway Comment
  UC75221  Lotus wrangelianus C. F. Baker 1903-4-25 2777 San Joaquin Tracy Comment
  SEINET7042496  Lotus wrangelianus A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  JEPS44327  Ludwigia peploides subsp. peploides Willis L. Jepson 1923-8-3 10031 San Joaquin lower San Joaquin Co., Old River, canal lower San Joaquin Co., Old River Comment
  POM355472  Ludwigia peploides subsp. peploides E. E. Stanford 1930-08 1864 San Joaquin Clifton Court Road Comment
  UC596384  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington Comment
  CDA27362  Lupinus albifrons T. C. Fuller 1962-4-24 8225 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCD96915  Lupinus albifrons Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6952 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  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
  UC764853  Lupinus bicolor R. F. Hoover 1937-4-23 1919 San Joaquin 7 mi e Stockton; e of Stockton 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
  UCR256102  Lupinus bicolor J. T. Howell, G. H. True 1978-4-4 52730 San Joaquin San Joaquin Valley, near Lockeford 30 Comment
  POM10651  Lupinus bicolor subsp. pipersmithii C. F. Baker, Jones 1903-4-26 2910 San Joaquin Tracy Comment
  SEINET10484919  Lupinus bicolor subsp. pipersmithii Charles F. Baker 1903-4-26 Baker 2910 San Joaquin Small colonies in sandy fields. Comment
  SEINET10484951  Lupinus bicolor subsp. tridentatus J. McCaskill, J. Major 1958-4-10 McCaskill 554 San Joaquin On sunny, grassy sw facing hillside; n side of state hwy 12, 2.1 miles w of Wallace (1.4 miles w of turnoff to camanche), san joaquin co, california 61 Comment
  SEINET3418125 Image available Lupinus caudatus P. O. Schallert 1945-4-1 182 San Joaquin 20 N. East of Stockton, San Joaquin County, California. Comment
  RSA87053  Lupinus densiflorus var. palustris E. E. Stanford 1930-04 10006 San Joaquin Northern part of the county. Comment
  POM196337  Lupinus formosus var. formosus E. E. Stanford 1928-5-12 1015 San Joaquin Sacramento Road. Near Sacramento Co Line. Comment
  JEPS100873  Lupinus microcarpus var. densiflorus Dean W. Taylor 1999-5-20 17155 San Joaquin Highway 4 2.5 miles East of Jack Tone Road junction (J5) 30 Comment
  SBBG114090  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co Rd J2 at Co line Comment
  SEINET239856  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-24 2 /20 San Joaquin Alameda Cos. Drainage area Carnegie Motorcyle Park Project Co. J2 at Co. line. Comment
  UC15843  Lupinus microcarpus var. densiflorus F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC15954  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  CDA27533  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-22 19846 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 Comment
  CDA27534  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-21 19833 San Joaquin Inner Coast Ranges; Lone Tree Creek. 0 Comment
  CDA5758  Lycium chinense T. C. Fuller 1964-11-6 12811 San Joaquin Across levee road from Whiskey Slough, Holt. 0 Comment
  JEPS33277  Lycopus americanus Rimo Bacigalupi and L. Constance 1962-8-13 8715 San Joaquin just n. San Joaquin City (flats e. side San Joaquin R., just n. of bridge of Durham Ferry Rd.) 3 Comment
  UC1784118  Lycopus americanus Ethel Crum 1930-9-29 864 San Joaquin Holt Comment
  UCD124968  Lycopus americanus G. F. Hrusa; S. A. Wagner 1992-8-9 9349 San Joaquin Oxbow Lake. 0 Comment
  JEPS63275  Lycopus americanus unknown 1923-8-3 10028 San Joaquin 4 mi. n.e. Byron (Old R.); Old R. Comment
  UC19761  Lythrum californicum Mrs. Brandegee 1893-7-9 San Joaquin San Joaquin River, Bouldin Island Bouldin Island; San Joaquin River, Bouldin Island Comment
  UC19766  Lythrum hyssopifolia J. A. Sanford 1890-1 54 San Joaquin Stockton Comment
  UC872896  Lythrum hyssopifolia C. L. Hitchcock 1940-5-12 6364 San Joaquin 3 mi s of Galt 16 Comment
  RSA0011325  Lythrum hyssopifolia E. E. Stanford 1930-5-13 1481 San Joaquin Rough and Ready Island/ Comment
  CDA18962  Lythrum salicaria D. Gifford 2000-7-6 PDR 005678 San Joaquin SE of Stockton. 0 Comment
  CAS-BOT-BC342686  Madia elegans E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  POM196177  Madia elegans subsp. densifolia E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  CAS-BOT-BC324522  Madia radiata John Thomas Howell 1938-4-10 13753 San Joaquin Hospital Canyon Comment
  JEPS7399  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  CAS-BOT-BC204037  Malacothamnus fremontii John Thomas Howell 1971-6-25 48110 San Joaquin Hospital Creek at Interstate Hwy. 580, 4 miles southwest of Vernalis Comment
  UCD116366  Malacothamnus fremontii John Thomas Howell 1971-6-25 48110 San Joaquin Hospital Creek at Interstate Hwy. 580, 4 miles southwest of Vernalis. Comment
  UC33278  Malacothrix coulteri F. T. Bioletti 1892-1 San Joaquin lower San Joaquin; Lower San Joaquin 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
  UCD116600  Malva nicaeensis G. F. Hrusa 1992-8-26 9524 San Joaquin Caswell Memorial State Park. Comment
  UCR201898  Malva parviflora George K. Helmkamp, E. A. Helmkamp 2008-10-9 14239 San Joaquin San Joaquin Valley, Dogtown, c. 12 miles NE of Lodi, Collier Road at Mackville Road, 1.1 miles west of CA-88 37 Comment
  UCD116645  Malva parviflora G. F. Hrusa 1992-4-22 9278 San Joaquin Open areas about the trails to the west of the campgrounds. Caswell Memorial State Park. Comment
  UCD116690  Malva pseudolavatera John Thomas Howell 1962-4-25 37095 San Joaquin Vacant lots, Tracy. Comment
  UC108943  Malvella leprosa T. S. Brandegee 1892-9-10 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UC18831  Malvella leprosa J. Burtt Davy Nov., 1893 San Joaquin Stockton Comment
  UC18835  Malvella leprosa H. P. Fitch 1888-1 121 San Joaquin Stockton Comment
  UC18836  Malvella leprosa J. A. Sanford 1890-1 385 San Joaquin Stockton Comment
  CDA35812  Malvella leprosa T. C. Fuller 1961-9-13 7005 San Joaquin Road to Byron, Highway J4, 4.5 miles northwest of Tracy. 0 Comment
  UCD116699  Malvella leprosa Allan G. O'Berg Jr. 1955-10-1 s.n. San Joaquin 2.1 mi. s. of San Joaquin on w. side of Colorado Rd. Comment
  UCD116707  Malvella leprosa F. R. Whitehead 1931-9-1 s.n. San Joaquin Stockton, CA. Comment
  UC1267080  Marah fabacea Kenneth M. Stocking 1947-8-5 14 San Joaquin 1 mi e Linden Comment
  UC764806  Marah fabacea R. F. Hoover 1938-3-19 2864 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  CHSC46941  Marah fabacea Lloy Thurman 1963-4-27 San Joaquin North of Linden, between Duncan and Clements Road. Comment
  RSA440952  Marah fabacea K. M. Stocking 1947-4-25 31 -b San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  RSA440953  Marah fabacea K. M. Stocking 1947-5-15 37 San Joaquin Stockton, by NW corner of Calaveras bridge on West Lane. 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
  UCD125011  Marrubium vulgare G. F. Hrusa; S. A. Wagner 1992-4-24 9313 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC71133  Marsilea Roxana S. Ferris 1940-6-1 9845 San Joaquin about 3 miles west of Lockford on Stockton-Lockford road Comment
  CAS-BOT-BC71111  Marsilea vestita Peter Rubtzoff 1965-7-13 5579 San Joaquin San Joaquin River at Airport Way crossing (Tracy - Ripon area) Comment
  POM89817  Marsilea vestita Michener 1892-9-9 s.n. San Joaquin Lathrop. Comment
  POM195977  Marsilea vestita C. R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, north of Campus, College of the Pacific [Stockton] Comment
  RSA612742  Marsilea vestita E. E. Stanford 1929-11-2 1181 San Joaquin Near Stockton Comment
  RSA694899  Marsilea vestita E. E. Stanford 1929-11-1 1181 San Joaquin Near Stockton. Comment
  JEPS33281  Marsilea vestita subsp. vestita Rimo Bacigalupi and L. Constance 1962-8-13 8719 San Joaquin just n of bridge-crossing of Copperopolis rd (Calif. 4) Stockton Diverting canal (2 mi e of crossing of U.S. Hwy 99 (freeway)) 10 Comment
  JEPS7073  Marsilea vestita subsp. vestita Francia Chisaki, Peter Kamb 1951-4-14 1990 San Joaquin ca. 2 mi e Collegeville (on rd. toward Valley Home) Comment
  UC1093988  Marsilea vestita subsp. vestita Herbert L. Mason 1928-5-3 4443 San Joaquin 4 mi n Clements Comment
  UC1543031  Marsilea vestita subsp. vestita Donald G. Nelson 1939-6-9 612 San Joaquin 9 mi e Stockton (on Austin Rd., ca. 1 1/2 mi s of R.R.) Comment
  UC770069  Marsilea vestita subsp. vestita R. F. Hoover 1935-3-1 295 San Joaquin 5 mi sw Ripon Comment
  UC903148  Marsilea vestita subsp. vestita Ethel Crum 1932-5-1 1414 San Joaquin 4 mi sw Lockeford 22 Comment
  UC1069990  Matricaria discoidea R. D. Roseberry 1935-5-16 184 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC35560  Matricaria discoidea J. A. Sanford 1890-1 15 San Joaquin French Camp Comment
  UCR207833  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2009-3-26 14460 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  SEINET3422325 Image available Medicago hispida P. O. Schallert 1945-3-8 s.n. San Joaquin Waste places near Stockton, California. Comment
  SD243138  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17059 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 miles NE (50a^z) of Lodi (Lockeford 7.5'Q) 39 Comment
  UC16094  Medicago polymorpha J. A. Sanford 1890-1 73 San Joaquin Stockton Comment
  UCR232233  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-3-12 17059 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCD107838  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-4-22 9303 San Joaquin Caswell Memorial State Park. Comment
  POM147779  Melilotus albus E. E. Stanford 1927-9-26 726 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
  UC1191902  Mentha canadensis Malcolm A. Nobs and S. Galen Smith 1948-7-22 207 San Joaquin 2 mi n Manteca (irrigation canal) Comment
Read comments
Sep 17 2008
  UC66748  Mentha canadensis N. K. Berg 1903-12-12 San Joaquin Stockton Rough and R. Isl. <Rough and Ready Island> Comment
  UC761958  Mentha canadensis R. F. Hoover 1935-9-7 719 San Joaquin Union Island Comment
  UCD125045  Mentha canadensis G. F. Hrusa; S. A. Wagner 1992-7-8 9154 San Joaquin Caswell Memorial State Park; at Oxbow Lake. Comment
  UC25391  Mentha pulegium H. P. Fitch 1888-8-7 146 San Joaquin Stockton Comment
  UC416714  Mentha pulegium Harriet A. Walker 1907-9-8 902 San Joaquin Lathrop near drawbridge; Lathrop near drawbridge Comment
  CAS-BOT-BC7433  Mentzelia affinis Edward Lee Greene 1889-4-1 s.n. San Joaquin Lathrop Comment
  JEPS41160  Mentzelia affinis W. L. Jepson 1896-6-27 14041 San Joaquin between Mossdale School Atlanta; Plains of the Lower San Joaquin 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
  UC108406  Mentzelia affinis Brandegee May 1889 San Joaquin Tracy Comment
  UC420648  Mentzelia affinis Katharine Brandegee 1907-5-6 San Joaquin Tracy Comment
  UC766019  Mentzelia affinis R. F. Hoover 1938-4-9 3051 San Joaquin Lower end of Corral Hollow Lower end of Corral Hollow Comment
  UC596455  Mentzelia pectinata R. F. Hoover 1938-3-19 2870 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
Read comments
Apr 10 2008
  RSA97091  Mentzelia veatchiana Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  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
  JEPS36166  Microseris douglasii subsp. douglasii R. F. Hoover 1937-4-23 1921 San Joaquin 7 mi e Stockton Comment
  UCSC000848  Microseris douglasii subsp. douglasii B. Cobb unknown s.n. San Joaquin Tracy Comment
  UCD96866  Microseris douglasii subsp. tenella Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6921 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  RSA21626B  Microseris elegans Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  RSA14938  Microseris heterocarpa Alice Eastwood, John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow. Comment
  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
  RSA122921  Microsteris gracilis subsp. humilis C. B. Wolf 1937-3-31 8402 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 Comment
  RSA605652  Mimulus aurantiacus Louis C. Wheeler 1952-9-29 6994 San Joaquin Ladd Mine: San Joaquin 5. Comment
  CDA41670  Mimulus aurantiacus T. C. Fuller 1962-4-24 8222 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UCD122513  Mimulus cardinalis G. F. Hrusa; S. A. Wagner 1992-8-9 9370 San Joaquin Stanislaus River. Comment
  JEPS23876  Mimulus douglasii Volney Rattan 1886-3-15 San Joaquin Live Oaks Comment
  RSA138297  Mimulus douglasii Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks, Mokelumne River. Comment
  UCR62333  Mimulus guttatus 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
  RSA447930  Mimulus guttatus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC445155  Mimulus latidens J. A. Sanford 1890-1 160 San Joaquin Comment
  UC768823  Mimulus microphyllus R. F. Hoover 1937-4-23 1917 San Joaquin 7 mi e Stockton Comment
  UCD122692  Mimulus microphyllus Marvin Nies 1951-4-1 29 San Joaquin 7 miles east of Lodi. Comment
  UC26992  Mimulus nasutus J. A. Sanford 1890-1 165 San Joaquin Stockton Comment
  UC76067  Mimulus nasutus Milo S. Baker 1900-4-29 San Joaquin Laton's Stillwater Creek Comment
  JEPS22962  Mimulus pilosus Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks Comment
  UC59141  Mimulus tricolor unknown 1881-1 San Joaquin Comment
  RSA409096  Mimulus tricolor E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CDA24052  Minuartia californica G. D. Barbe, J. B. Gianelli, T. C. Fuller 1973-4-6 1171 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-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
  RSA0010766  Mollugo verticillata L. R. Abrams 1917-9-14 6733 San Joaquin 3 miles northwest of Stockton. [label indicates San Joaquin and Calaveras Co.] Comment
  UCD99642  Mollugo verticillata G. F. Hrusa 1992-8-9 9354 San Joaquin Caswell Memorial State Park; above the waterline at Oxbow Lake. Comment
  RSA135436  Monardella lanceolata var. lanceolata Volney Rattan 1886-06 s.n. San Joaquin [Unspecified] Comment
  UC604932  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin near mouth of Elk Ravine (Corral Hollow-Livermore Rd.) 152 Comment
  UC572147  Monolopia lanceolata H. K. Sharsmith 1935-3-3 1482 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow 228 Comment
  CAS-BOT-BC349636  Monolopia major John L. Morrison 1938-4-9 2881 San Joaquin Northwest side of road at extreme east end of Corral Hollow Comment
  CAS-BOT-BC349640  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  JEPS27272  Monolopia major Rimo Bacigalupi with H. G. Baker, J. Weiler, A. Nelson 7542 San Joaquin hills just n Corral Hollow (within confines of preserve, nw of site of Carnegie (see USGS Quadr. Midway)); Atomic Energy Commission preserve 274 Comment
  JEPS34939  Monolopia major W. L. Jepson 1922-4-2 9595 San Joaquin Tracy Comment
  UC50090  Monolopia major F. W. Gunnison May, 1896 San Joaquin Linden Comment
  UC572143  Monolopia major H. K. Sharsmith 1935-3-17 1500 a San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC572145  Monolopia major H. K. Sharsmith 1935-3-3 1490 San Joaquin Corral Hollow Mount Hamilton Range 228 Comment
  UC90418  Monolopia major C. F. Baker 1903-4-27 2790 San Joaquin Bethany Comment
  JEPS43352  Montia fontana W. L. Jepson 1938-4-14 18678 San Joaquin headwaters of Goose Creek, ne San Joaquin County Goose Creek Comment
  CAS-BOT-BC263369  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin Corral Hollow, Mount Hamilton Range, 8 miles southwest of Tracy 152 Comment
  CAS-BOT-BC263370  Muhlenbergia asperifolia John Thomas Howell 1932-10-16 10847 San Joaquin Corral Hollow Creek, 8 miles from Tracy on Tesla Road Comment
  JEPS73762  Muhlenbergia asperifolia Ethel Crum 1932-10-16 1486 San Joaquin 8 mi sw Tracy; Mount Hamilton Range, Corral Hollow 152 Comment
  SBBG45015  Muilla maritima L. Constance, A. A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow 213 Comment
  SEINET3887495  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow.; 0 213 Comment
  SEINET3992098  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow 213 Comment
  UC1005620  Muilla maritima Frank W. Gould 1940-3-16 884 San Joaquin Castle Rock Mt. Hamilton Range, Corral Hollow 198 Comment
  UC659395  Muilla maritima Lincoln Constance and Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock Corral Hollow 213 Comment
  CAS-BOT-BC515640  Muilla maritima Lincoln Constance; Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow; California Innter Coast Qanoes 213 Comment
  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
  UC1046593  Myosurus minimus A. D. Hawkes and R. Bacigalupi 1951-4-21 4804 San Joaquin 2 mi e Stockton Comment
  UC1051429  Myosurus minimus Francia Chisaki, Peter Kamb, S. Galen Smith 1951-4-14 1985 San Joaquin 0.6 mi n Collegeville (on road toward Lockeford) Comment
  UC708133  Myosurus minimus Charles V. Piper 1921-5-26 San Joaquin Stockton Comment
  UCR133578  Myosurus minimus C. R. Quick 1929-3-30 s.n. San Joaquin Sacramento Valley, near Stockton 5 Comment
  POM147750  Myosurus minimus E. E. Stanford 1927-4-12 152 San Joaquin Near Stockton. Comment
  POM196275  Myosurus minimus E. E. Stanford 1928-3-15 809 San Joaquin San Joaquin County: Near Stockton Comment
  UC1100010  Najas guadalupensis Herbert L. Mason, Verne Grant 1946-9-12 13128 San Joaquin near Dagget Road (Roberts Island, Borden Highway, s of main ditch); Roberts Island, Borden Highway Comment
  CAS-BOT-BC260111  Nassella pulchra E. E. Stanford 1930-5-3 1465 San Joaquin LIberty Road Comment
  UC23682  Navarretia leucocephala J. A. Sanford 1890-1 59 San Joaquin Stockton Comment
  SEINET9335663  Navarretia leucocephala Unknown 1966-5-3 7690 San Joaquin San Joaquin County Comment
  UC963752  Navarretia leucocephala subsp. leucocephala H. L. Mason 1928-5-3 4455 San Joaquin 4 mi n Clements Comment
  UCR62336  Navarretia leucocephala subsp. leucocephala L. F. LaPre 1990-5-8 s.n. San Joaquin Borden Ranch, Mackville Rd, 1-2 mi north of Liberty Rd; c. 7 miles north of Clements 70 Comment
  POM196312  Navarretia leucocephala subsp. leucocephala E. E. Stanford 1928-4-7 850 San Joaquin Near Collegeville 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
  UC131445  Nemophila menziesii C. F. Baker 1903-4-25 2868 San Joaquin Tracy; ; Tracy, San Joaquin Co. Comment
  POM196283  Nemophila menziesii var. menziesii E. E. Stanford 1928-3-23 823 San Joaquin Near Peters. 30 Comment
  SBBG29931  Nemophila pedunculata L. Constance 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow 198 Comment
  POM147751  Nicotiana acuminata E. E. Stanford 1927-7-19 668 San Joaquin Stockton. Comment
  SEINET3237953 Image available Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2007-10-13 13086 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR232679  Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2011-10-15 18428 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCD126687  Nicotiana acuminata var. multiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9187 San Joaquin Caswell Memorial State Park, 100 meters west of interpretive sign parking lot. Comment
  CAS-BOT-BC233462  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Levee, San Joaquin River, Stockton Comment
  JEPS12392  Nicotiana glauca W. L. Jepson 1923-10-22 10269 San Joaquin Union Island San Joaquin River (lower San Joaquin River) Comment
  UCD125926  Nicotiana glauca G. F. Hrusa; S. A. Wagner 1992-4-22 9276 San Joaquin Caswell Memorial State Park. Open riverbank areas above the waterline. Comment
  JEPS22947  Nitrophila occidentalis Volney Rattan 1881-7-1 San Joaquin Lathrop Comment
  JEPS33285  Nitrophila occidentalis Rimo Bacigalupi and L. Constance 1962-8-13 8723 San Joaquin trough along base of Sothern Pacific railway embankment just s crossing of Lathrop Road (just n of town of Lathrop) 5 Comment
  JEPS6861  Nitrophila occidentalis W. L. Jepson 1896-6-27 San Joaquin Lower San Joaquin Comment
  SEINET2540589 Image available Nitrophila occidentalis H. H. Severin 1933-9-7 San Joaquin North of Ripon. Comment
  UC198262  Nitrophila occidentalis Katharine Brandegee 1907-5-1 San Joaquin Lathrop Comment
  UC767619  Nitrophila occidentalis R. F. Hoover 1937-6-9 2396 San Joaquin 4 mi n Manteca Comment
  UCR66725  Nitrophila occidentalis E. E. Stanford 1930-5-10 1475 San Joaquin San Joaquin Valley, West Ripon Road 18 Comment
  UC26809  Nuttallanthus texanus J. A. Sanford 1890-1 97 San Joaquin French Camp Comment
  UC763977  Oenothera deltoides subsp. cognata R. F. Hoover 1937-5-18 2178 San Joaquin near Lathrop Comment
  UC173125  Oenothera elata subsp. hirsutissima Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge Comment
  UC764051  Oenothera elata subsp. hirsutissima Robert F. Hoover 1935-9-7 717 San Joaquin Union Island Comment
  UCD106939  Oenothera elata subsp. hirsutissima E. M. Johnston 1915-1 62 -J San Joaquin San Joaquin River. Comment
  UCD106945  Oenothera elata subsp. hookeri G. F. Hrusa; S. A. Wagner 1992-4-22 9259 San Joaquin Caswell Memorial State Park. Comment
  RSA465591  Olea europaea E. E. Stanford 1930-5-16 1489 San Joaquin Stockton. Comment
  UC102908  Orobanche californica subsp. jepsonii T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge, near Lathrop. Comment
  UCD18385  Orobanche californica subsp. jepsonii Glen Holstein 1976-9-4 14 San Joaquin campground at Caswell Memorial State park. 15 Comment
  CAS-BOT-BC502933  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1me S of Hwy 4, Roberts Ialand, ca 3 mi SW of Stockton Comment
  RSA0072116  Orobanche ramosa C. W. Nichols 1959-7-28 s.n. San Joaquin W side of Robert Rd., 1 mi S/Hwy 4, Roberts Island, ca. 3 mi SW/Stockton. Comment
  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
  RSA516491  Orthocarpus campestris Robert F. Hoover 1936-4-30 1051 San Joaquin 2 miles north of Escalon. Comment
  POM232061  Orthocarpus erianthus Roxana S. Ferris 1937-4-4 9312 San Joaquin 6 miles from Copperopolis on the Farmington Road. Comment
  POM15367  Orthocarpus purpurascens C. F. Baker 1903-4-26 2784 San Joaquin Betheny. Comment
  RSA21453  Orthocarpus purpurascens Carl B. Wolf 1937-3-31 8387 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  UCD110764  Oxalis corniculata G. F. Hrusa; S. A. Wagner 1992-3-4 9093 San Joaquin Caswell Memorial State Park. Within the picnic areas and campgrounds. Comment
  UCD110796  Oxalis micrantha G. F. Hrusa; S. A. Wagner 1992-4-22 9242 San Joaquin Caswell Memorial State Park. 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-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
  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
  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
  CDA2129  Paspalum dilatatum M. Inverso 1979-9-21 San Joaquin A. Curtis property, 1864 South Seider Avenue, Escalon. 0 Comment
  UC580050  Paspalum dilatatum Ira L. Wiggins 1934-6-23 6942 San Joaquin on road to Oakdale 3.2 mi e Escalon Comment
  UCD88739  Paspalum dilatatum G. F. Hrusa; S. A. Wagner 1992-7-8 9177 San Joaquin Caswell Memorial State Park. Comment
  UCD88754  Paspalum dilatatum R. F. Hoover 1937-6-10 2399 San Joaquin Escalon. Comment
  UCR253498  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20078 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  POM364363  Paspalum distichum E. E. Stanford 1927-8-31 697 San Joaquin Stockton, Cal. R. bottom Comment
  UCD88920  Paspalum distichum G. F. Hrusa; S. A. Wagner 1992-7-8 9176 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC169733  Pectocarya anisocarpa Alice Eastwood; John Thomas Howell 1935-4-7 2103 San Joaquin E end of Corral Hollow Comment
  UC604965  Pectocarya anisocarpa Roxana S. Ferris 1938-4-15 9398 San Joaquin near gravel pit at the mouth of Corral Hollow Comment
  UC766281  Pectocarya anisocarpa R. F. Hoover 1946-4-13 6078 San Joaquin lower end Corral Hollow Comment
  UC766193  Pectocarya linearis subsp. ferocula R. F. Hoover 1938-4-9 3043 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  UC573072  Pectocarya penicillata H. L. Mason 1932-3-19 6835 San Joaquin 2 mi e Midway (between Mountain House and Tracy) Comment
  UCD89427  Pennisetum clandestinum Harold M. Kempen 1976-10-18 San Joaquin Stockton. 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
  JEPS12430  Perideridia kelloggii J. A. Sanford 1908-9-19 San Joaquin Ellsworth; (= Arena sta.) Comment
  CAS-BOT-BC413596  Persicaria amphibia Brian Atwater 1978-8-18 BA- 28 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC413601  Persicaria amphibia John Thomas Howell 1929-9-21 4413 San Joaquin Holt Comment
  UCD99398  Persicaria amphibia R. N. Raynor 1939-4-1 s.n. San Joaquin Delta region, lower Jones Tract. Comment
  CAS-BOT-BC418891  Persicaria hydropiperoides John Thomas Howell 1929-9-21 4418 San Joaquin Holt Comment
  CAS-BOT-BC419250  Persicaria maculosa Barrett Anderson 1987-10-24 3630 San Joaquin Littlejohn's Creek west of Van Allen Road 25 Comment
  CAS-BOT-BC419253  Persicaria maculosa William Anderson 1963-11-22 s.n. San Joaquin Terminous Comment
  UCD99573  Persicaria maculosa G. F. Hrusa; S. A. Wagner 1992-7-8 9146 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  UCD99577  Persicaria maculosa P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons Ranch. Terminous. Comment
  CAS-BOT-BC419377  Persicaria punctata Brian Atwater 1978-8-22 BA- 63 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  CAS-BOT-BC419379  Persicaria punctata John Thomas Howell 1929-9-21 4415 San Joaquin Holt Comment
  CAS-BOT-BC419378  Persicaria punctata William Anderson 1963-11-22 s.n. San Joaquin Terminous Comment
  UC24367  Phacelia cicutaria F. W. Gunnison May 1896 San Joaquin Linden Comment
  JEPS104709  Phacelia ciliata J. L. and F. L. Morrison 1938-3-6 2773 San Joaquin Castle Rock, Corral Hollow, Mount Hamilton Range; steep southwest slope between Castle Rock and the high ridge to the northeast. Comment
  JEPS2268  Phacelia ciliata var. ciliata A. D. Tenney 1915-4-7 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
  UC615183  Phacelia distans Beryl O. Schreiber 1932-3-27 144 San Joaquin hill top near Midway Comment
  UC767530  Phacelia douglasii R. F. Hoover 1938-2-27 2800 San Joaquin Castle Rock Corral Hollow Comment
  UC767531  Phacelia douglasii R. F. Hoover 1938-4-9 3025 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  UC767532  Phacelia douglasii R. F. Hoover 1938-4-9 3037 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
  CAS-BOT-BC133895  Phacelia tanacetifolia Serena Philips 1915-4-2 s.n. San Joaquin Near Tracy Comment
  RSA21452  Phacelia tanacetifolia Carl B. Wolf 1937-3-31 8386 San Joaquin San Joaquin Valley, half a mile north of Vernalis. 30 Comment
  UC24484  Phacelia tanacetifolia Benj. Cobb 1900-4 10 San Joaquin Tracy Comment
  UC702960  Phacelia tanacetifolia John Thomas Howell 1929-3-27 4104 San Joaquin 6 1/2 mi w Tracy (road to Altamont) Comment
  CAS-BOT-BC265837  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  CAS-BOT-BC265838  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin San Joaquin River, Lois Park, Stockton Comment
  POM147799  Phalaris arundinacea E. E. Stanford 1927-5-28 449 San Joaquin Stockton near San Joaquin River, Louis Park Comment
  UCD88505  Phalaris arundinacea Beecher Crampton 1965-7-12 7455 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  UCD88507  Phalaris arundinacea William N. Helphinstine 1967-11-8 s.n. San Joaquin Around Stockton. Comment
  UCD88539  Phalaris arundinacea R. Tofsrud 1952-7-3 s.n. San Joaquin Thornton. Harkins Ranch. 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
  POM356905  Phalaris lemmonii E. E. Stanford 1930-5-10 1473 San Joaquin Near Stanislaus River Comment
  POM356906  Phalaris lemmonii E. E. Stanford 1930-5-3 1466 San Joaquin Near Stockton Comment
  UC708019  Phalaris lemmonii Charles V. Piper 1921-5-26 San Joaquin Stockton Comment
  SEINET10660259  Phalaris lemmonii E. E. Stanford 1930-5-3 Stanford 1466 San Joaquin Kettleman-Terminus Road. Wet places Comment
  CAS-BOT-BC265939  Phalaris minor E. E. Stanford 1927-4-21 172 San Joaquin Stockton, campus Comment
  UC767847  Phalaris paradoxa R. F. Hoover 1935-6-12 643 San Joaquin Farmington Comment
  UCR128234  Phalaris paradoxa Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UCR249972  Phalaris paradoxa George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20227 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  JEPS1846  Pholistoma membranaceum W. L. Jepson 1922-4-2 9585 San Joaquin Corral Hollow w. San Joaquin Co., Mt. Hamilton Range, Corral Hollow 182 Comment
  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
  UC625461  Pholistoma membranaceum Frank W. Gould 1938-3-6 45 San Joaquin in vicinity of Castle Rock Corral Hollow 182 Comment
  POM354319  Phoradendron macrophyllum E. E. Stanford 1930-3-30 1193 San Joaquin Near Bellota. 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
  RSA468067  Phragmites australis E. E. Stanford 1930-08 1874 San Joaquin San Joaquin Delta. Jones Tract. 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
  UCD89839  Phragmites australis P. B. Kennedy 1928-9-30 s.n. San Joaquin near Holt. Comment
  UC1618079  Phyla Donald G. Nelson 1939-6-9 106 San Joaquin s.e. Stockton (on the Mt. Diablo Base Line, junction of Austin Rd. & Little John Creek) Comment
  UC635117  Phyla lanceolata Herbert L. Mason 1928-9-30 4954 San Joaquin near Holt (San Joaquin River Delta); San Joaquin River Delta Comment
  UC25120  Phyla nodiflora F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  RSA18620  Phyla nodiflora Carl B. Wolf 1937-6-10 8771 San Joaquin San Joaquin Valley, 8 mi S of Stockton on Manteca Road. -8 Comment
  CAS-BOT-BC58239  Phyllodoce breweri T. J. Blestou 1912-7-30 s.n. San Joaquin Upper Chiquita, San Juaquin Sierra Nevada. Comment
  CAS-BOT-BC76963  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt. 15 Comment
  JEPS13011  Pilularia americana Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5071 San Joaquin 2.2 mi w Calaveras Co. line (along State Hwy. 8, on 1st. rolling foothills of Sierra Nevada); Sierra Nevada foothills 53 Comment
  SEINET3237740 Image available Piptatherum miliaceum Cindy Roche 2006-6-11 San Joaquin At Thornton exit along Interstate 5 about halfway between Stockton and Sacramento. East side of Freeway. 20 Comment
  RSA21451  Plagiobothrys C. B. Wolf 1937-3-31 8385 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 Comment
  JEPS90183  Plagiobothrys acanthocarpus Dean W. Taylor Apr 1986 San Joaquin Livermore National Laboratory, in far northwestern corner of lab site 300 Livermore National Laboratory; Inner South Coast Ranges, Livermore National Laboratory 458 Comment
  RSA21461  Plagiobothrys acanthocarpus C. B. Wolf 1937-3-31 8395 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC573058  Plagiobothrys acanthocarpus H. L. Mason 1932-3-19 6828 San Joaquin 2 mi e Midway (Tracy highway) Comment
  JEPS68005  Plagiobothrys arizonicus R. F. Hoover 1938-4-9 3038 San Joaquin hill betw. Castle Rock and Black Butte; 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
  UC762829  Plagiobothrys austiniae R. F. Hoover 1935-3-16 345 San Joaquin Farmington Comment
  UCR266203  Plagiobothrys austiniae David J. Keil 2005-3-13 30355 San Joaquin Sierra Nevada Mountains, just west of Amador County line along CA Route 88, 5.5 miles northeast of Mokelumne River bridge 82 Comment
  RSA28027  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-12 6363 San Joaquin 3 miles south of Galt 16 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
  UC615181  Plagiobothrys canescens Beryl O. Schreiber 1932-4-27 147 San Joaquin near Midway Comment
  UC766398  Plagiobothrys canescens R. F. Hoover 1938-4-9 3039 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC78029  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy Comment
  RSA135449  Plagiobothrys fulvus var. campestris Volney Rattan 1885-06 s.n. San Joaquin Live Oaks. Comment
  UCD33923  Plagiobothrys fulvus var. campestris Beecher Crampton 1975-4-16 9147 San Joaquin San Joaquin County, 3 miles north of Clements along Liberty road. Comment
  UCR232636  Plagiobothrys humistratus George K. Helmkamp, E. A. Helmkamp 2011-3-29 17105 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  NY335683  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC596229  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC25054  Plagiobothrys nothofulvus J. A. Sanford 1890-1 398 San Joaquin Waverly 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
  UC881348  Plagiobothrys stipitatus L. R. Abrams 1923-3-31 9952 San Joaquin 4 mi from Manteca (on the Stockton Road) Comment
  RSA21258  Plagiobothrys stipitatus C. B. Wolf 1937-3-31 8372 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  CAS-BOT-BC526871  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Elizabeth Helmkamp 2013-3-26 20226 San Joaquin East end of San Joaquin Valley: Escalon Bellota Rd (J6), 6.1 mi S of its jct with CA-26, 0.52 mi S of Copperopolis Rd 51 Comment
  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
  UC1063813  Plagiobothrys stipitatus var. micranthus R. D. Roseberry 1935-5-16 183 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC61141  Plagiobothrys stipitatus var. micranthus H. P. Fitch 1889-4-25 San Joaquin Stockton Comment
  POM196012  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1928-4-7 852 San Joaquin Near Collegeville. Comment
  POM368956  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1930-5-3 1463 San Joaquin Elliot Rd near Elliot. Comment
  RSA80160  Plagiobothrys stipitatus var. micranthus E. E. Stanford 1930-04 s.n. San Joaquin Northern part of the county. Comment
  CDA19657  Plagiobothrys stipitatus var. stipitatus G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1175 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
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Jun 11 2008
  JEPS13213  Plagiobothrys stipitatus var. stipitatus Rimo Bacigalupi with G. T. Robbins 1955-5-5 4992 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  JEPS68138  Plagiobothrys tenellus W. L. Jepson 1922-4-2 9575 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  RSA135445  Plagiobothrys tenellus Volney Rattan 1877-03 s.n. San Joaquin Live Oaks Comment
  UC24574  Plagiobothrys trachycarpus J. A. Sanford 1890-1 100 San Joaquin French Camp Comment
  UC79223  Plagiobothrys trachycarpus E. L. Greene 1884-4-21 San Joaquin near Tracy Comment
  UC596144  Plagiobothrys undulatus R. F. Hoover 1937-6-10 2398 San Joaquin 2 mi n Linden Comment
  UCR132388  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin Central Valley, about 7.75 miles NNE of Lodi, intersection of Liberty and Bruella roads 76 Comment
  UCD33074  Plagiobothrys undulatus Beecher Crampton 1966-5-3 7686 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  OBI64495  Plantago elongata David J. Keil 2005-3-13 30356 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 m NE of Mokelumne River bridge 82 Comment
  JEPS14921  Plantago erecta Rimo Bacigalupi with A. Carter, F. Chisaki, L. Mason, and I. Tavares 1956-4-5 5584 San Joaquin near mouth of Corral Hollow (e base of Black Butte); Black Butte 152 Comment
  OBI60004  Plantago erecta Joseph Andorfer Ewan 1934-3-4 8615 San Joaquin 2 mi E Carnegie, Corral Hollow Comment
  SD241122  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin Northeast San Joaquin Valley: along CA-88, 1.1 miles southwest of the Amador County Line, 6 miles NE (33a^z) of Clements (Goose Creek 7.5'Q) 78 Comment
  UCR233205  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-7 15838 San Joaquin Northeast San Joaquin Valley, along CA-88, 1.1 miles southwest of the Amador County line, 6 miles NE (33 deg. ) of Clements 79 Comment
  UCD124462  Plantago erecta June McCaskill; Jack Major 1958-4-10 553 San Joaquin north side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camanche). 60 Comment
  SEINET3828534  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2011-1 18477 San Joaquin Northeastern San Joaquin Valley: Along Johnson Road, 0.8 mile south of its junction with CA-12 NE of Lockeford, SW of Camanche Reservoir (Clements 7.5') 53 Comment
  UC66839  Plantago lanceolata N. K. Berg 1904-11-18 San Joaquin Rough & Ready Island Stockton Comment
  UCR235294  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2011-11-21 18477 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  UCD124359  Plantago lanceolata G. F. Hrusa 1992-8-26 9560 San Joaquin Caswell Memorial State Park. Comment
  JEPS7144  Plantago major W. L. Jepson 1923-10-22 10272 San Joaquin Union Island Lower San Joaquin River Comment
  UC28013  Plantago major J. A. Sanford 1890-1 333 San Joaquin Stockton Comment
  UC28016  Plantago major J. A. Sanford 1890-1 San Joaquin Comment
  UC28019  Plantago major J. A. Sanford 1890-1 62 San Joaquin Stockton Comment
  UCD124366  Plantago major G. F. Hrusa; S. A. Wagner 1992-7-8 9141 San Joaquin Caswell Memorial State Park; beach below campgrounds at eastern end of park. Comment
  OBI51839  Plantago ovata Robert F. Hoover 1938-4-9 3053 San Joaquin Black Butte, at lower end of Corral Hollow Comment
  UCD143184  Platanus racemosa G. F. Hrusa 1992-8-25 9570 San Joaquin around 75 feet in the eastern end of the park.This from the easternmost campground area. Caswell Memorial State Park. Comment
  UCD143185  Platanus racemosa G. F. Hrusa; S. A. Wagner 1992-3-21 9092 San Joaquin around 75 feet in the eastern end of the park.This from the easternmost campground area. Caswell Memorial State Park. Comment
  CAS-BOT-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
  UC724687  Platystemon californicus H. K. Sharsmith 1935-3-3 1486 San Joaquin Corral Hollow; Mount Hamilton Range, Corral Hollow 228 Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  RSA445722  Platystemon californicus var. californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles SE of Stockton Comment
  SEINET13384119 Image available Poa annua George K. Helmkamp, Elizabeth Helmkamp 2012-1 20065 San Joaquin San Joaquin Valley: along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCD90357  Poa annua G. F. Hrusa; S. A. Wagner 1992-3-4 9082 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  UCD90656  Poa bulbosa Beecher Crampton 1975-4-16 9150 San Joaquin along State Hwy. 88. Northeastern part of the county. Comment
  SEINET10602238  Poa nevadensis Charles F. Baker 1903-4-25 Baker 2776 San Joaquin Tracy, Ca. Large tufts in bottoms. Comment
  CAS-BOT-BC236340  Poa secunda subsp. secunda Alice Eastwood; John Thomas Howell 1935-4-7 2092 San Joaquin E end of Corral Hollow Comment
  UC769900  Poa secunda subsp. secunda R. F. Hoover 1935-3-18 370 San Joaquin w Ripon (San Joaquin River bridge) Comment
  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
  RSA122031  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin 2 miles SSW of Wallace 122 Comment
  RSA424572  Pogogyne douglasii E. E. Stanford 1928-5-5 946 San Joaquin Near Peters Comment
  UC6640  Polygonum amphibium J. A. Sanford 1890-1 San Joaquin Stockton Comment
  UC1192337  Polygonum amphibium var. emersum Herbert L. Mason 1928-9-30 4968 San Joaquin near Holt; San Joaquin Delta Comment
  POM147787  Polygonum amphibium var. stipulaceum E. E. Stanford 1927-9-26 717 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  CDA19467  Polygonum arenastrum M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 204 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  UCR194985  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2007-10-13 13081 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD100086  Polygonum aviculare subsp. depressum G. F. Hrusa 1992-8-26 9557 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC414349  Polygonum californicum Mrs. H. C. Cantelow 1935-5-14 826 San Joaquin Bet. Lodi and San Andreas Comment
  JEPS74998  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
  CDA22799  Polygonum hydropiper J. F. Silva 1957-10-9 San Joaquin Escalon. 0 Comment
  CDA2785  Polygonum hydropiper J. F. Silva 1957-10-9 395 -57 San Joaquin Escalon. 0 Comment
  UC1101178  Polygonum hydropiperoides Herbert L. Mason 1928-9-30 4971 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC6637  Polygonum hydropiperoides Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC1101164  Polygonum lapathifolium Herbert L. Mason 1928-9-30 4970 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC421692  Polygonum lapathifolium John Thomas Howell 1929-9-21 4416 San Joaquin Holt; bordering slough Comment
  UC465851  Polygonum lapathifolium Harriet A. Walker 1907-9-8 928 San Joaquin Lathrop Comment
  PASA1504  Polygonum lapathifolium Annetta M. Carter 1931-7-29 235 San Joaquin San Joaquin R. slough near Middle R. Bridge, Borden Hiway to Stockton Comment
  JEPS77904  Polygonum persicaria Edward Lee 1934-7-4 956 San Joaquin Holt 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
  JEPS75000  Polygonum punctatum L. R. Heckard and P. Rubtzoff 1971-9-15 2805 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  JEPS77906  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  UC580083  Polygonum punctatum Ira L. Wiggins 1934-7-28 6941 San Joaquin ditch at roadside 3.2 mi e Escalon Comment
  POM147783  Polygonum punctatum E. E. Stanford 1927-9-26 725 San Joaquin Stockton, near San Joaquin River. Louis Park. Comment
  RSA312538  Polygonum punctatum H. L. Mason 1928-9-30 4969 San Joaquin San Joaquin Delta near Holt. Comment
  CDA22849  Polygonum punctatum var. leptostachyum M. Switzenberg 1958-9-24 San Joaquin Hale Ranch, Highway 120, west of Seidner Avenue. 0 Comment
  UC6656 Image available Polygonum ramosissimum J. Burtt Davy 1893-11-13 1199 San Joaquin Stockton Comment
  CAS-BOT-BC232554  Polypogon monspeliensis E. E. Stanford 1926-10-23 80 San Joaquin Stockton. On campus Comment
  CDA18891  Polypogon monspeliensis J. Allan 1999-5-6 PDR 996420 San Joaquin San Joaquin Valley; At base of levee in the vicinity of Tracy. 0 Comment
  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
  POM360830  Populus deltoides E. E. Stanford 1930-4-12 1273 San Joaquin Near Escalon. Comment
  CAS-BOT-BC102642  Populus fremontii Peter H. Raven; R. Ornduff; et al. 1957-3-30 10557 San Joaquin Corral Hollow Comment
  CAS-BOT-BC102643  Populus fremontii Alice Eastwood; John Thomas Howell 1935-2-24 1951 San Joaquin Corral Hollow Comment
  POM360780  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon. Comment
  UC1099891  Potamogeton crispus Herbert L. Mason, S. Galen Smith 1948-8-5 8269 San Joaquin Trapper's Slough Robert's Island Comment
  UC1099894  Potamogeton crispus Herbert L. Mason, Verne Grant 1946-8-21 13068 San Joaquin sw of Holt; Trapper's Slough Comment
  UC1099870  Potamogeton foliosus Herbert L. Mason, Verne Grant 1946-8-21 13059 San Joaquin w of Stockton (on Borden Highway) Comment
  UC1100041  Potamogeton foliosus Herbert L. Mason, S. Galen Smith 1948-8-11 8319 San Joaquin Trapper's Slough; Robert's Island Comment
  UC1099854  Potamogeton illinoensis Herbert L. Mason, Verne Grant 1946-8-21 13069 San Joaquin sw of Holt; Trapper's Slough Comment
  UC1106903  Potamogeton illinoensis Herbert L. Mason 1938-8-26 12073 San Joaquin Trappers Slough; Roberts Island Comment
  CAS-BOT-BC453828  Potamogeton nodosus L. R. Abrams 1917-9-14 6745 San Joaquin 4 mi north of Stockton, Stockton-Sacramento Rd. Comment
  UC60854  Potamogeton nodosus J. A. Sanford 370 San Joaquin West Stockton Comment
  JEPS44167  Potentilla rivalis F. T. Bioletti Apr 1892 San Joaquin Tracy Comment
  RSA85819  Potentilla rivalis E. E. Stanford 1930-5-2 1456 San Joaquin Empire Tract Comment
  UCR66577  Potentilla rivalis E. E. Stanford 1930-5-2 1456 San Joaquin Empire Tract Comment
  UC1125580  Proboscidea louisianica subsp. louisianica B. Schreiber 1937-8-22 2463 San Joaquin Lockeford Lockeford Quadrangle 30 Comment
  UC1745889  Proboscidea louisianica subsp. louisianica Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1329 San Joaquin Between Clements & Lockford. Comment
  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
  UC1039795  Proboscidea lutea Herbert L. Mason 1929-9-9 5429 San Joaquin Holt; reclaimed delta lands Comment
  CDA27765  Prosopis juliflora var. torreyana A. R. Tugel 1938-6-23 San Joaquin Railroad tracks near Tracy. 0 Comment
  UCD113158  Prunus G. F. Hrusa 1992-8-26 9562 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC356384  Pseudognaphalium beneolens Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  UCD133675  Pseudognaphalium luteoalbum G. F. Hrusa; S. A. Wagner 1992-4-22 9269 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC357574  Pseudognaphalium stramineum E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  UC61017  Pseudognaphalium stramineum N. K. Berg 1903-11-28 San Joaquin Rough and Ready Island Comment
  UCD135207  Pseudognaphalium stramineum A. S. Crafts 1926-7-24 504 San Joaquin between Manteca and Merced. Comment
  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
  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
  JEPS40486  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1935-6-12 645 San Joaquin Farmington San Joaquin Valley Comment
  UC1070080  Psilocarphus brevissimus var. brevissimus R. D. Roseberry 1935-5-15 181 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC694158  Psilocarphus brevissimus var. brevissimus H. L. Mason 1932-4-24 6967 San Joaquin 11 mi s Clements Comment
  CAS-BOT-BC361807  Psilocarphus brevissimus var. brevissimus D. K. Gillespie; J. W. Gillespie 1930-4-24 9231 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC361808  Psilocarphus brevissimus var. brevissimus E. E. Stanford 1929-4-7 1036 San Joaquin Near Peters Comment
  JEPS33804  Psilocarphus oregonus W. L. Jepson 1937-4-23 18015 a San Joaquin ca 5 mi se Stockton (on Farmington road) Comment
  UCR80875  Psoralea macrostachya G. Fred Hrusa, S. A. Wagner 1992-7-8 9178 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC421130  Pterostegia drymarioides Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10569 San Joaquin Corral Hollow Comment
  UCD96905  Pterostegia drymarioides Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6946 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CAS-BOT-BC61616  Quercus lobata J. Bridgaman 1844-6-9 s.n. San Joaquin Dunham Ferry 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
  UCR77116  Quercus lobata G. Fred Hrusa 1992-8-25 9546 San Joaquin Caswell Memorial State Park. Comment
  UC405352  Quercus wislizeni W. P. Taylor 1912-3-29 San Joaquin Tracy Lake Comment
  CAS-BOT-BC379189  Ranunculus aquatilis var. aquatilis Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks Comment
  UC1330026  Ranunculus bonariensis var. trisepalus Beecher Crampton 1966-5-3 7687 San Joaquin ca 7 3/4 mi nne Lodi (Liberty and Bruella Rds) 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
  UC766207  Ranunculus californicus Robert F. Hoover 1935-3-1 276 San Joaquin 5 mi sw Ripon Comment
  UCD143431  Ranunculus canus Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  CDA21074  Ranunculus muricatus G. F. Hrusa, S. A. Wagner 1992-8-8 9341 San Joaquin Caswell Memorial State Park. Banks of the Stanislaus River. 12 Comment
  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
  UCR194716  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13087 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCD115155  Raphanus raphanistrum G. F. Hrusa; S. A. Wagner 1992-3-22 9065 San Joaquin Caswell Memorial State Park. Comment
  UCR201934  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14233 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR232213  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17073 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  HSC6885  Raphanus sativus D. A. Shally 1965-4-10 7 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA431505  Raphanus sativus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  UC18592  Rhamnus tomentella subsp. tomentella J. A. Sanford 1890-1 San Joaquin Comment
  UC764964  Ribes aureum Robert F. Hoover 1935-3-1 245 San Joaquin 5 mi sw Ripon Comment
  CAS-BOT-BC92421  Ribes aureum var. gracillimum Peter Rubtzoff 1965-4-6 5519 San Joaquin Garden Road 0.5 mile south of Division Road (Tracy-Ripon area). Comment
  SBBG41738  Ribes aureum var. gracillimum P. Rubtzoff 1965-4-6 5519 San Joaquin Garden Rd, 0.5 mi S of Division Rd (Tracy-Ripon area) Comment
  CDA25559  Ribes malvaceum T. C. Fuller 1971-4-22 19847 San Joaquin Red Dam, head of Hospital Creek, southwestern San Joaquin County. 0 Comment
  CAS-BOT-BC217940  Ribes quercetorum Carl B. Wolf 1937-3-31 8405 San Joaquin W side of san Joaquin Valley, Hospital Canyon 137 Comment
  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
  UCD108418  Robinia pseudoacacia G. F. Hrusa 1992-8-26 9533 San Joaquin Caswell Memorial State Park. Comment
  JEPS13212  Rorippa curvisiliqua Rimo Bacigalupi with G. T. Robbins 1955-5-5 4993 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters); sw of Peters 25 Comment
  CAS-BOT-BC74431  Rorippa curvisiliqua Roxana S. Ferris 1953-5-15 12639 San Joaquin On road between Everett School and intersection with Bellota-Farmington road, ca. 1 mile west of intersection. Comment
  CAS-BOT-BC74432  Rorippa curvisiliqua E. E. Stanford 1930-4-18 1360 San Joaquin Thornton Road. Comment
  POM196261  Rorippa curvisiliqua E. E. Stanford 1928-5-16 1013 San Joaquin Stockton, Calaveras River bottom Comment
  UCD115321  Rorippa palustris W. W. Robbins; A. S. Crafts 1932-3-30 s.n. San Joaquin Stockton. Comment
  CAS-BOT-BC74800  Rorippa palustris var. palustris Peter Rubtzoff 1965-7-13 5576 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  CAS-BOT-BC147609  Rosa californica E. E. Stanford 1926-10-14 61 San Joaquin 4 miles south of Galt Comment
  CAS-BOT-BC147610  Rosa californica John Thomas Howell 1930-9-28 5510 San Joaquin Near Holt on the Borden Highway Comment
  UC114693  Rosa californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC12854  Rosa californica Ivar Tidestrom 1893-11-13 San Joaquin between Stockton and Tracy (roadsides near river); San Joaquin R. Comment
  UC60922  Rosa californica N. K. Berg 1903-11-12 San Joaquin Rough and Ready Isl. Comment
  UCD113417  Rosa californica G. F. Hrusa; S. A. Wagner 1992-4-22 9245 San Joaquin Caswell Memorial State Park. Comment
  UCD113767  Rubus armeniacus G. F. Hrusa 1992-8-26 9519 San Joaquin Caswell Memorial State Park, to the south of the entrance gate, along road into the campgrounds. Comment
  UC66824  Rubus pensilvanicus N. K. Berg 1903-12-15 San Joaquin Rough and Ready Island; Stockton, Rough and Ready Island Comment
  UCD89035  Rubus ursinus Lindsay Clark 2008-5-8 CSP 21 San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Growing at end of parking lot on the right, near the curb. 20 Comment
  UC465804  Rumex conglomeratus J. A. Sanford 46 San Joaquin Comment
  CAS-BOT-BC421722  Rumex conglomeratus E. E. Stanford 1930-5-31 1548 San Joaquin North of Stockton Comment
  SEINET6077276  Rumex conglomeratus E. E. Stanford 1930-5-31 1548 San Joaquin North of Stockton. Comment
  CAS-BOT-BC421603  Rumex crispus E. E. Stanford 1927-5-26 435 San Joaquin Stockton Comment
  OBI37082  Rumex crispus Debbie Sperry 1983-11-11 6 San Joaquin Just outside of Stockton-corner of Davis and Eight Mile Rds Comment
  CDA2889  Rumex obtusifolius T. C. Fuller 1958-9-3 1196 -58 San Joaquin 0.1 miles west of Farmington. 0 Comment
  CAS-BOT-BC433765  Rumex pulcher Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  POM313040  Sagittaria calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin Irrigation canal, 0.25 mile W of Stockton. Comment
  JEPS77914  Sagittaria latifolia Edward Lee 1934-7-4 968 San Joaquin 1/2 mi e of Middle River Holt (Borden (?) highway); e of Middle River Comment
  UC935759  Sagittaria latifolia Herbert L. Mason 1928-9-30 4960 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta near Holt Comment
  UC935760  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 693 San Joaquin 1/4 mi w Stockton Comment
  CAS-BOT-BC445814  Sagittaria montevidensis Ira L. Wiggins 1934-7-28 6940 San Joaquin 3.2 miles east of Escalon Comment
  CAS-BOT-BC445815  Sagittaria montevidensis Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 miles east of Escalon Comment
  CAS-BOT-BC445816  Sagittaria montevidensis Malcom A. Nobs 1948-9-25 692 San Joaquin 1/4 mile west of Stockton Comment
  UC580082  Sagittaria montevidensis subsp. calycina Ira L. Wiggins 1934-7-28 6943 San Joaquin 3.2 mi e Escalon Comment
  UC935735  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-9-12 13126 San Joaquin Roberts Island; Borden Highway near Dagget Road Comment
  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
  NY311493  Sagittaria sanfordii J. A. Sanford 1893-7-16 s.n. San Joaquin Comment
  NY311494  Sagittaria sanfordii J. A. Sanford 06 1891 s.n. San Joaquin Comment
  UC549  Sagittaria sanfordii J. A. Sanford Sept. 1901 San Joaquin Stockton Comment
  SEINET11763479  Sagittaria sanfordii R. S. Ferris 1940-1 9842 San Joaquin about 3 mi W of Lockford on Stockton-Lockford road Comment
  POM196032  Salix alba E. E. Stanford 1929-3-26 1019 San Joaquin San Joaquin River. Comment
  POM146137  Salix babylonica E. E. Stanford 1927-3-11 101 San Joaquin Point Lewis, Stockton Comment
  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
  POM196033  Salix exigua E. E. Stanford 1929-3-21 1017 San Joaquin Stockton. Levee, Calaveras River. Comment
  POM196188  Salix exigua E. E. Stanford 1928-4-30 943 San Joaquin Stockton. Calaveras River bottom. Comment
  POM196189  Salix exigua E. E. Stanford 1928-4-30 942 San Joaquin Stockton. Calaveras River bottom. Comment
  RSA181501  Salix exigua I. L. Wiggins 1964-5-26 19017 San Joaquin Beside old channel of San Joaquin River. Between Tracy and Manteca. Comment
  RSA181506  Salix exigua I. L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  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
  UC446384  Salix exigua var. hindsiana J. A. Sanford 65 San Joaquin Stockton Comment
  UCD143430  Salix exigua var. hindsiana Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  CAS-BOT-BC107861  Salix gooddingii E. E. Stanford 1928-5-12 1016 San Joaquin Sacramento Road, near Sacramento County Line Comment
  RSA181504  Salix gooddingii I. L. Wiggins 1964-5-26 19020 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  CAS-BOT-BC108238  Salix hindsiana E. E. Stanford 1928-4-30 942 San Joaquin Stockton, in sand in Calaveras River bottom Comment
  UCR63938  Salix laevigata L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  POM281349  Salix lasiolepis Lyman D. Benson 1931-2-21 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
  CAS-BOT-BC107370  Salix lasiolepis var. lasiolepis Brian Atwater 1979-3-17 BA- 179 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  CAS-BOT-BC107384  Salix lasiolepis var. lasiolepis E. E. Stanford 1928-2-19 780 San Joaquin Near Stockton, near Calaveras River Comment
  CDA5802  Salpichroa origanifolia T. C. Fuller, M. Switzenberg 1959-8-2 2595 San Joaquin Escalon Road, north of Farmington. 0 Comment
  CDA17063  Salsola australis G. F. Hrusa, P. Akers 2003-10-1 16134 San Joaquin San Joaquin Valley; Hwy 33 app. 1/2 mi. S of I-5 Vernalis exit. 22 Comment
  CDA9302  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18530 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA20808  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. at bridge just S of 8 Mile Rd. 0 Comment
  CDA21008  Salsola tragus P. Akers 2002-10-9 RT- 021 -1 San Joaquin San Joaquin Valley; Just E of Interstate 5 on Iron Canyon Circle at Windcave Rd., betw. Pixley Slough and Bear Creek, 7 mi. NW of Stockton. 11 Comment
  CHSC101509  Salsola tragus P. Akers 2005-11-14 San Joaquin Davis Rd. +/- 200 feet south of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. Roadside colony at bridge just S of 8 Mile Rd. Comment
  RSA0039523  Salsola tragus P. Akers 2002-10-9 RT- 020 -1 San Joaquin Just W of Interstate 5 on 8 Mi. Rd., 10 mi. NW of Stockton. Along 1 mi. of rd. -0 Comment
  CAS-BOT-BC180692  Salsola tragus V. F. Hesse 1957-7-18 2247 San Joaquin Eight miles east of Manteca 22 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
  JEPS62544  Salvia carduacea W. L. Jepson 1896-6-27 14941 San Joaquin between Mossdale School and Atlanta (e of river) Comment
  JEPS97684  Salvia carduacea Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 787 San Joaquin Near Castle Rock. 19 mi. from Livermore on Tesla Rd. Comment
  UC762495  Salvia carduacea R. F. Hoover 1938-4-9 3052 San Joaquin lower end Corral Hollow Comment
  UCD19299  Salvia hispanica Franz R. Kegel, F. A. 1976-12-1 s.n. San Joaquin Stockton. Comment
  UC762492  Salvia mellifera R. F. Hoover 1938-2-27 2794 San Joaquin Castle Rock; Corral Hollow Comment
  CAS-BOT-BC238596  Sambucus nigra subsp. caerulea Barrett Anderson 1987-7-15 3556 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota 35 Comment
  UCD143428  Sambucus nigra subsp. caerulea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  UC673389  Samolus parviflorus Herbert L. Mason 1929-9-9 5424 San Joaquin Holt Comment
  POM264781  Sanicula bipinnata Lincoln Constance 1941-4-19 2806 San Joaquin Corral Hollow, 1 mile North of Castle Rock 320 Comment
  UC660000  Sanicula bipinnata Lincoln Constance, R. F. Hoover 1941-4-19 2806 San Joaquin 1 mi n of Castle Rock (Corral Hollow); Corral Hollow 320 Comment
  UCD96899  Sanicula bipinnata Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard 2011-4-22 6940 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-BC223226  Sanicula bipinnatifida Volney Rattan 1885-3-1 s.n. San Joaquin Live Oaks Comment
  UC765486  Sanicula bipinnatifida R. F. Hoover 1935-3-16 349 San Joaquin Farmington Comment
  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-BC111384  Schoenoplectus acutus var. occidentalis LeRoy Abrams 1920-9-30 7783 San Joaquin Near Banta Comment
  CAS-BOT-BC7628  Schoenoplectus acutus var. occidentalis Verne Grant; Herbert L. Mason 1946-8-21 13070 San Joaquin Middle River Bridge, Victoria Island. Comment
  CHSC68455  Schoenoplectus acutus var. occidentalis L. P. Janeway 1987-7-10 2483 San Joaquin Near southwest corner of Hwy 12 and Guard Road, 1.5 mi west of Hwy I-5 and about 6 mi north of Stockton. 1 Comment
  CAS-BOT-BC110878  Scirpus microcarpus Brian Atwater 1978-8-16 BA- 33 San Joaquin Old River between Quinby Island and Franks Tract Comment
  RSA582100  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  SEINET10602608  Scribneria bolanderi E. E. Stanford 1930-12-4 Stanford 1282 San Joaquin Mariposa Rd. 16 mi. S.E. of Stockton. Roadsides; out of range according to Jepson. Comment
  UCD92554  Secale cereale T. C. Fuller 1969-5-20 18477 San Joaquin south side of Lathrop Rd., 0.1 mile west of Union Road, 2 miles east of Lathrop. Comment
  UCR253796  Senecio vulgaris George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20066 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  UCD135819  Senecio vulgaris G. F. Hrusa; S. A. Wagner 1992-3-4 9069 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  CDA34401  Sesbania punicea E. Finley 1989-6-14 PDR 784224 San Joaquin Stockton Deep Water channel. 0 Comment
  UCD92601  Setaria parviflora G. F. Hrusa; S. A. Wagner 1992-8-9 9336 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC243639  Setaria pumila Herbert L. Mason; Verne Grant 1946-9-12 13127 San Joaquin Borden Highway near Dagget Road, Roberts Island Comment
  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
  RSA115225  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin Calaveras River basin, 2 miles NE of Linden, San Joaquin County Comment
  UCD38666  Setaria verticillata Beecher Crampton 1957-7-30 3742 San Joaquin 2 miles northeast of Linden. Calaveras River Basin. 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
  UCD92842  Setaria viridis Beecher Crampton 1965-10-26 7552 San Joaquin 1.5 miles north of Lodi on US Hwy. 99. 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
  UC135982  Sibara virginica Michener and Bioletti April 1892 San Joaquin Tracy Comment
  UC18868  Sidalcea diploscypha J. A. Sanford 1890-1 349 San Joaquin Stockton Comment
  UC18871  Sidalcea diploscypha J. A. Sanford 1898-1 405 San Joaquin Waverly Comment
  JEPS12799  Sidalcea hirsuta Rimo Bacigalupi with G. T. Robbins 1955-5-5 5001 San Joaquin 1 1/2 mi s Peters (along road to Farmington, ditch near Peters Dump); s of Peters, along road to Farmington 33 Comment
  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
  JEPS73874  Silene antirrhina L. R. Heckard 1974-4-25 3668 San Joaquin 1/2 mi e Alameda County line (just w of Drop Tower No. <blank> on grounds of Atomic Energy Commission, Univ. of Calif. testing site in Corral Hollow); Corral Hollow, Atomic Energy Commission, <UC> testing site 304 Comment
  CAS-BOT-BC386889  Silene gallica Gladys L. Smith 1959-5-1 1062 San Joaquin near Wallace, Hwy. 12 60 Comment
  CAS-BOT-BC386890  Silene gallica E. E. Stanford 1930-4-26 1440 San Joaquin Wheatland Rd. Comment
  SEINET7883390 Image available Silybum marianum Laura Zeller 1965-1 61 San Joaquin Ca. .5 mile E of intersection of Davis Road and 8-mile Road on 8-mile Road. Comment
  CAS-BOT-BC74917  Sinapis arvensis E. E. Stanford 1926-10-12 52 San Joaquin Near Stockton. Comment
  CAS-BOT-BC75194  Sisymbrium irio John Thomas Howell 1938-4-10 13750 San Joaquin Tracy. Comment
  UCR142979  Sitanion jubatum E. E. Stanford 1930-5-25 1523 San Joaquin Sacramento Valley, Harney Lane [Lodi] Comment
  CHSC53739  Solanum americanum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2725 San Joaquin Narrow island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  UC26218  Solanum americanum J. A. Sanford 1890-1 57 San Joaquin Stockton Comment
  UC26219  Solanum americanum J. A. Sanford 1890-1 386 San Joaquin Stockton Comment
  POM62560  Solanum americanum J. A. Sanford 1890-1 231 San Joaquin Roberts Island. Comment
  CDA5919  Solanum aviculare J. F. Silva 1961-6-7 San Joaquin Escalon. 0 Comment
  UCD32453  Solanum elaeagnifolium Beecher Crampton 1950-8-27 644 San Joaquin Tracy. Comment
  CDA6227  Solanum sarrachoides T. C. Fuller 1958-7-3 1101 -58 San Joaquin Staten Island. 0 Comment
Read comments
Jun 24 2009
  UCD126959  Solanum triflorum Dr. Severin 1925-1 s.n. San Joaquin Manteca. Comment
  CAS-BOT-BC156488  Solanum umbelliferum A. Eastwood; J. T. Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  CAS-BOT-BC156839  Solanum umbelliferum E. E. Stanford 1930-4-5 1220 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC157547  Solanum umbelliferum J. T. Howell 1930-9-28 5512 San Joaquin Holt Comment
  UC1515766  Solanum umbelliferum Baki Kasapligil 1973-3-18 4546 San Joaquin s of Tracy (Sunol State Park); Sunol State Park Comment
  CAS-BOT-BC385870  Solidago canadensis Brian Atwater 1894-7-1 BA- 23 San Joaquin Between Quinby Island and Granks Tract Comment
  UC88137  Solidago elongata K. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  UC88120  Solidago velutina subsp. californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UCD136116  Soliva sessilis G. F. Hrusa; S. A. Wagner 1992-4-2 9250 San Joaquin Caswell Memorial State Park. West of westernmost parking area. Comment
  UCD134011  Sonchus asper subsp. asper G. F. Hrusa; S. A. Wagner 1992-4-22 9297 San Joaquin Caswell Memorial State Park. West of the Quercus lobata-dominated woodland. Comment
  UCD134049  Sonchus oleraceus G. F. Hrusa; S. A. Wagner 1992-4-22 9273 San Joaquin Caswell Memorial State Park. Comment
  CDA2497  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
  CDA2501  Sorghum halepense T. C. Fuller 1961-9-13 6996 San Joaquin Thornton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thornton. 0 Comment
  UCD92665  Sorghum halepense G. F. Hrusa; S. A. Wagner 1992-8-9 9365 San Joaquin Caswell Memorial State Park. Comment
  UCD99165  Spergula arvensis G. F. Hrusa; S. A. Wagner 1992-4-22 9283 San Joaquin Caswell Memorial State Park. Comment
  UCR232267  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17079 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  CAS-BOT-BC390247  Spergularia macrotheca var. leucantha E. E. Stanford 1927-4-12 150 San Joaquin Near Stockton Comment
  CAS-BOT-BC390248  Spergularia macrotheca var. leucantha E. E. Stanford 1928-4-5 838 San Joaquin Stockton Comment
  RSA0098416  Spergularia macrotheca var. leucantha C. R. Quick 1929-4-13 s.n. San Joaquin Stockton; in fields near campus. Comment
  CAS-BOT-BC390747  Spergularia marina John Thomas Howell 1932-9-2 10792 San Joaquin At Holt Comment
  CAS-BOT-BC390748  Spergularia marina E. E. Stanford 1930-5-12 1479 San Joaquin Robert's Island Comment
  SEINET7040100  Spergularia marina A. G. Vestal 1963-5-27 s.n. San Joaquin Ca 7.7 miles east of Linden on Route 8. Valley Springs SW Quad. UTM Zone 10, 675782mE, 4215039mN. Comment
  UC767693  Sporobolus airoides R. F. Hoover 1937-5-18 2180 San Joaquin near Lathrop Comment
  UCD78015  Sporobolus indicus Robert E. Preston 2004-9-3 2292 San Joaquin Ca. 9.9 miles NE of Lodi, along Liberty Rd, 0.1 mile E of Coyote Creek 30 Comment
  UCD93142  Sporobolus indicus R. S. Baskett 1971-8-9 s.n. San Joaquin Dayton Johnson place, 1.5 miles S of US Hwy. 88 and 1/4 mile W of Atkins Road, ca. 2 miles SW of Clements. Comment
  UCD93158  Sporobolus indicus Franz R. Kegel 1974-2-26 s.n. San Joaquin San Joaquin County. Comment
  UCR168508  Stachys ajugoides E. E. Stanford 1930-5-31 1538 San Joaquin San Joaquin Valley, Durham Ferry Rd. [San Joaquin River, 2.6 mi. downstream from Stanislaus River, 3.2 miles NE of Vernalis] 11 Comment
  RSA446591  Stachys ajugoides E. E. Stanford 1930-5-5 1538 San Joaquin Durham Ferry Road. Comment
  UC761970  Stachys albens R. F. Hoover 1935-8-3 703 San Joaquin 5 mi sw Ripon; Stanislaus River Comment
  CDA41028  Stachys albens T. C. Fuller 1962-6-4 8835 San Joaquin In low areas, south of W.P.R.R. tracks, between Paradise Cut and Old River, ca. 5 miles NE of Tracy. 0 Comment
  SEINET3558079 Image available Stachys albens Lewis S. Rose, John T. Howell 1933-7-19 33302 San Joaquin 2 miles northwest San Joaquin River bridge, 3 miles from Lathrop. Comment
  CAS-BOT-BC374793  Stebbinsoseris heterocarpa Alice Eastwood; John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC393869  Stellaria media E. E. Stanford 1927-3-29 127 San Joaquin Stockton Comment
  JEPS51113  Stellaria nitens W. L. Jepson 1922-4-2 9591 San Joaquin near Tracy Comment
  CAS-BOT-BC395081  Stellaria nitens Volney Rattan 1886-3-17 s.n. San Joaquin on the Mokelumne River Live Oaks Comment
  UCD99470  Stellaria nitens W. L. Jepson 1922-4-2 9591 San Joaquin near Tracy. Comment
  CAS-BOT-BC375090  Stephanomeria V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  POM149334  Stylomecon heterophylla C. F. Baker 1903-4-27 2819 San Joaquin Bethany Comment
  SBBG96655  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany Comment
  UC50110  Stylomecon heterophylla F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UC50120  Stylomecon heterophylla H. P. Fitch 1883-1 132 San Joaquin Stockton Comment
  RSA135312  Suaeda moquinii Volney Rattan 1881-07 s.n. San Joaquin Lathrop Comment
  UC1041028  Suaeda moquinii J. W. Congdon 1887-8-26 San Joaquin Lathrop Comment
  UC767689  Suaeda moquinii R. F. Hoover 1937-6-9 2395 San Joaquin 4 mi n Manteca Comment
  RSA438634  Suaeda moquinii E. E. Stanford 1930-5-28 1525 San Joaquin Lincoln Highway near French Camp 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
Read comments
Aug 21 2007
  CAS-BOT-BC98597  Symphyotrichum lentum L. R. Abrams 1920-9-30 7788 San Joaquin Near Banta Comment
  CAS-BOT-BC98598  Symphyotrichum lentum L. R. Abrams 1917-9-14 6746 San Joaquin Eight miles south of Woodbridge Comment
  JEPS33280  Symphyotrichum spathulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8718 San Joaquin bottom of Stockton Diverting Canal, just n of bridge xing of Copperopolis Rd 10 Comment
  JEPS40850  Symphyotrichum spathulatum R. F. Hoover 1937-9-4 2719 San Joaquin 3 mi e Farmington Comment
  UC29815  Symphyotrichum spathulatum J. A. Sanford 1890-1 427 San Joaquin Comment
  UC71891  Symphyotrichum spathulatum Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC86979  Symphyotrichum spathulatum T. S. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  UC893616  Symphyotrichum spathulatum L. R. Abrams 1920-9-30 7788 San Joaquin near Banta Comment
  JEPS82224  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Rd, 3.7 mi e of San Joaquin River Bridge Maze Blvd. 12 Comment
  CAS-BOT-BC98289  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  CAS-BOT-BC98290  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  JEPS31823  Tetrapteron graciliflorum W. L. Jepson 1922-4-2 9576 San Joaquin Corral Hollow Comment
  CAS-BOT-BC66605  Thysanocarpus curvipes Volney Rattan Mar 15 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66606  Thysanocarpus curvipes Volney Rattan 1882-5-1 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-BC66610  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66613  Thysanocarpus curvipes Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks. Comment
  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
  UC765047  Thysanocarpus curvipes R. F. Hoover 1938-2-27 2801 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  JEPS54223  Thysanocarpus radians W. L. Jepson 1929-4-28 15200 San Joaquin Clements , ne of Red Hills (ne of Red Hills) 60 Comment
  UC11050  Thysanocarpus radians A. W. Gunnison Apr, 1896 San Joaquin Linden Comment
  RSA0041648  Thysanocarpus radians Russell S. Woglum 1941-4-27 2982 San Joaquin Lodi. Comment
  CDA4743  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley 0 Comment
  UCR253499  Tribulus terrestris George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20077 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
  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
  POM173635  Trichocoronis wrightii Katherine Brandegee 1892-9-9 s.n. San Joaquin Near Lathrop Comment
  POM51465  Trichocoronis wrightii var. wrightii Katherine Brandegee 1914-9-27 s.n. San Joaquin San Joaquin Bridge Comment
Read comments
Apr 5 2007
  SBBG16092  Trichostema lanceolatum M. A. Piehl 1959-8-2 59496 San Joaquin St Hwy 88 ca. 1.5 mi from Amador Co line Comment
  SD124860  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin Along Highway I-5, 0.7 mile north of the Hospital Creek bridge and 2.2 miles north of the Stanislaus Co. line. 75 Comment
  UC140259  Trichostema lanceolatum Katharine Brandegee 1907-10-2 San Joaquin near Stockton Comment
  UCR45223  Trichostema lanceolatum A. C. Sanders 1986-9-12 6920 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  POM231811  Trichostema lanceolatum C. L. Hitchcock 1935-9-14 2831 San Joaquin 3 miles S of Galt. Comment
  UCR128290  Trifolium Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  RSA21460  Trifolium albopurpureum Carl B. Wolf 1937-3-31 8393 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC596561  Trifolium albopurpureum var. dichotomum R. F. Hoover 1938-4-9 3048 San Joaquin lower end Corral Hollow Comment
  SEINET3524115 Image available Trifolium amplectens Lewis S. Rose 1938-4-26 38205 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  JEPS65791  Trifolium ciliolatum W. L. Jepson 1929-4-28 15190 San Joaquin Lockeford Comment
  SJSU7999  Trifolium ciliolatum H. B. Heisinger 1956-4-22 San Joaquin c. 28 mi E of Stockton Comment
  UCD108290  Trifolium ciliolatum J. E. Reid Date Unknown s.n. San Joaquin Stockton. Comment
  UC86663  Trifolium depauperatum var. amplectens Lewis S. Rose 1938-4-26 33205 San Joaquin Corral Hollow 152 Comment
  POM349631  Trifolium depauperatum var. depauperatum L. S. Rose 1938-4-3 38119 San Joaquin Corral Hollow. 122 Comment
  JEPS65729  Trifolium depauperatum var. truncatum W. L. Jepson 1929-4-28 15204 San Joaquin Clements 60 Comment
  POM146122  Trifolium depauperatum var. truncatum E. E. Stanford 1927-3-24 120 San Joaquin Stockton. Comment
  UCD108953  Trifolium fragiferum W. A. Williams Date Unknown s.n. San Joaquin 4 miles S of Thornton. Comment
  UC16533  Trifolium fucatum J. A. Sanford 1890-1 71 San Joaquin Stockton Comment
  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
  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
  UCR128228  Trifolium hirtum 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
  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
  JEPS66057  Trifolium variegatum var. melananthum W. L. Jepson 1938-4-14 18679 San Joaquin headwaters Goose Creek Comment
  UC1377677  Trifolium variegatum var. melananthum W. J. Dress 1951-3-31 3093 San Joaquin ca 2 mi s Peters (along roadside) Comment
  UC16794  Trifolium variegatum var. melananthum Edw. L. Greene 1889-4-28 San Joaquin Stockton Comment
  UC16771  Trifolium variegatum var. variegatum J. A. Sanford 1890-1 153 San Joaquin French Camp Comment
  POM18697  Trifolium willdenovii C. F. Baker 1903-4-27 5056 San Joaquin Bethany Comment
  UC764722  Trifolium willdenovii R. F. Hoover 1937-5-6 2081 San Joaquin 5 mi se Stockton Comment
  UC80498  Trifolium willdenovii T. S. Brandegee April, 1889 San Joaquin Tracy Comment
  UC968637  Trifolium willdenovii C. L. Hitchcock 1940-5-12 San Joaquin 3 mi s Galt Comment
  UCR128229  Trifolium willdenovii Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  UC16724  Trifolium willdenovii Tracy 1891-1 San Joaquin Benj. Cobb. Comment
  SEINET10458950  Triodanis biflora Sanford SANFORD 1890 -91 San Joaquin STOCKTON Comment
  UCR207832  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-26 14462 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  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
  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
  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
  UC3282  Triteleia hyacinthina F. W. Gunnison May 1896 San Joaquin Linden Comment
  RSA641112  Triteleia hyacinthina R. S. Woglum 1941-4-27 2981 San Joaquin San Joaquin Valley: Lodi. . Comment
  SEINET12049479  Triteleia hyacinthina E. E. Stanford 1928-1 950 San Joaquin near Peters Comment
  UC3315  Triteleia laxa J. A. Sanford 1890-1 396 San Joaquin Waverly Comment
  RSA378048A  Triteleia laxa E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CAS-BOT-BC67345  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3469 San Joaquin Tracy-Southern Pacific toward Antioch. Comment
  CAS-BOT-BC73833  Tropidocarpum gracile Peter H. Raven; R. Alava; R. Ornduff; et al. 1957-3-30 10563 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC73835  Tropidocarpum gracile Charles Piper Smith 1922-4-13 3468 San Joaquin Tracy-Southern Pacific Niles Line. Comment
  RSA428384B  Tropidocarpum gracile E. E. Stanford 1930-4-5 1250 San Joaquin Hospital Canyon. 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
  UC1005658  Tropidocarpum gracile Frank W. Gould 1939-3-18 571 San Joaquin in open pasture Mt. Hamilton Range, Corral Hollow, Castle Rock 182 Comment
  UC1561441  Tropidocarpum gracile Barbara Ertter with Dale McNeal 1986-3-14 5790 San Joaquin bank on n side of Tesla Rd (Rt J12) 3.5 mi w jct of I-580 (se of Livermore); Diablo Range, Corral Hollow 152 Comment
  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
  RSA293042  Tropidocarpum gracile Reino Alava 1957-3-30 577 San Joaquin San Joaquin Valley, hillside at Corral Hollow. Comment
  SEINET3154220  Tropidocarpum gracile J. B. Davy 3097 San Joaquin head of the San Joaquin valley Comment
  CAS-BOT-BC200548  Tuctoria greenei R. F. Hoover 1936-6-11 1302 San Joaquin Farmington Comment
  CAS-BOT-BC200549  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi. e. of Escalon Comment
  UC1241767  Typha Herbert L. Mason 1948-5-31 13573 San Joaquin three mi n Ripon; n of Ripon Comment
  UC128663  Typha angustifolia J. A. Sanford 1909-5-28 San Joaquin near Stockton Comment
  JEPS12527  Typha latifolia W. L. Jepson 1923-8-3 10032 San Joaquin Old River; lower San Joaquin County (acc. to Jepson's field book 40: 29 this coll. was made on an e-bound trip after leaving Marsh Creek Rd in Contra Costa Co.) Comment
  UCD94939  Typha latifolia G. F. Hrusa; S. A. Wagner 1992-8-9 9344 San Joaquin Caswell Memorial State Park. 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
  UC625465  Uropappus lindleyi Frank W. Gould 1938-4-10 157 San Joaquin in vicinity Castle Rock; Mount Hamilton Range, Corral Hollow 182 Comment
  CAS-BOT-BC404011  Urtica dioica subsp. holosericea Brian Atwater 1978-8-22 BA- 53 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  UC173122  Urtica dioica subsp. holosericea Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UCD143426  Urtica dioica subsp. holosericea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  CDA34369  Urtica dioica subsp. holosericea E. Finley 1992-4-13 s.n. San Joaquin Near Trapper Slough, on levee base. 0 Comment
  POM182807  Urtica dioica subsp. holosericea N. K. Berg 1903-12-10 s.n. San Joaquin Rough and Read Isl. Comment
  UCD111612  Urtica urens G. F. Hrusa; S. A. Wagner 1992-3-22 9075 San Joaquin Caswell Memorial State Park. Comment
  UC635679  Utricularia gibba Herbert L. Mason 1929-9-9 5420 San Joaquin marshes of Lower San Joaquin R. Lower San Joaquin R. Comment
  JEPS77911  Utricularia vulgaris Edward Lee 1934-7-4 965 San Joaquin Holt Comment
  PASA38  Utricularia vulgaris Annetta M. Carter 1931-7-29 237 San Joaquin Holt Comment
  UCD124631  Verbascum blattaria G. F. Hrusa; S. A. Wagner 1992-7-8 9159 San Joaquin Caswell Memorial State Park, at Oxbow Lake. Comment
  UCD125948  Verbena bonariensis G. F. Hrusa; S. A. Wagner 1992-7-8 9160 San Joaquin Caswell Memorial State Park. Comment
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  UCR63949  Verbena litoralis L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  UCD125641  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin 5 miles south of Thornton on road to Stockton. Comment
  UCD125645  Verbena litoralis G. F. Hrusa 1992-8-26 9567 San Joaquin San Joaquin County 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
  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
  SD254677  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 milse south of its junction with CA-26, 0.52 mile south of Copperopolis Road (Farmington 7.5'Q) 52 Comment
  UC672495  Veronica peregrina subsp. xalapensis H. L. Mason 1929-4-7 5165 San Joaquin 10 mi e of Escalon 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
  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
  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
  IRVC27655  Veronica persica E. E. Stanford 1928-2-10 781 San Joaquin Stocton Comment
  POM147740  Veronica persica E. E. Stanford 1928-2-6 781 San Joaquin Stockton. Comment
  SBBG128825  Veronica persica G. K. Helmkamp, E. A. Helmkamp 2012-2-3 18523 San Joaquin Escalon-Bellota Rd, 0.2 mi S of its jct with CA-26, NE of Linden 39 Comment
  CDA28311  Vicia americana var. americana T. C. Fuller 1962-4-24 8228 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA28312  Vicia americana var. americana T. C. Fuller 1962-4-24 8228 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC16991  Vicia hassei Benj. Cobb San Joaquin Tracy 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
  RSA397998  Vicia villosa E. E. Stanford 1930-5-10 1471 San Joaquin Near Stanislaus River Comment
  UC1761727  Viola douglasii W. W. Mackie Apr 1905 San Joaquin SE of Stockton (Peters) Comment
  RSA402916  Viola douglasii Flossie Draper 1928-3-20 112 San Joaquin Near Peters. Comment
  CAS-BOT-BC385042  Vitis californica Barrett Anderson 1987-7-15 3557 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  CDA19502  Vitis californica M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. Vine. 7 Comment
  UCD102802  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD102852  Vitis californica M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley. Coyote Creek tributary riparian zone on Dustin Road. Ca. 0.1 mile N of Liberty Road, near Acampo. 7 Comment
  UCD142931  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17118  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17120  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17121  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17124  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17125  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17129  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River at US 99. Comment
  UCD17556  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD60313  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  CAS-BOT-BC198736  Vulpia bromoides E. E. Stanford 1930-4-26 1432 San Joaquin Copperopolis Rd. west of Peters Comment
  RSA21268  Vulpia bromoides C. B. Wolf 1937-3-31 8382 San Joaquin San Joaquin Valley, 2.5 mi. north of Vernalis on Tracy Road. 30 Comment
  UCD93539  Vulpia bromoides G. F. Hrusa; S. A. Wagner 1992-3-4 9089 San Joaquin Caswell Memorial State Park. Comment
  UCD96901  Vulpia microstachys Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6942 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CAS-BOT-BC183677  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1935-4-7 2088 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC183678  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1935-4-7 2088 San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC183681  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1938-4-18 5092 San Joaquin Hospital Canyon Comment
  UC766931  Vulpia microstachys var. ciliata R. F. Hoover 1937-4-3 1740 San Joaquin lower end Corral Hollow Comment
  UCD93841  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC183747  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon Comment
  POM352957  Vulpia microstachys var. confusa E. E. Stanford 1930-4-5 1230 San Joaquin Hospital Canyon. Comment
  RSA21845  Vulpia microstachys var. confusa J. T. Howell 1938-4-3 13734 San Joaquin Corral Hollow. Comment
  UC766892  Vulpia microstachys var. confusa Robert F. Hoover 1935-3-1 239 San Joaquin Vernalis; San Joaquin Valley Comment
  CAS-BOT-BC184500  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 A San Joaquin East end of Corral Hollow Comment
  CAS-BOT-BC184503  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin East end of Corral Hollow 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
  UCD94474  Vulpia myuros G. F. Hrusa; S. A. Wagner 1992-3-4 9239 San Joaquin Caswell Memorial State Park. Comment
  UCD94475  Vulpia myuros G. F. Hrusa; S. A. Wagner 1992-4-22 9246 San Joaquin Caswell Memorial State Park. 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
  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-BC423387  Wislizenia californica C. C. Parry 1881-7-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC423388  Wislizenia californica C. C. Parry 1881-7-1 s.n. San Joaquin Lathrop Comment
  CAS-BOT-BC423389  Wislizenia californica K. Brandegee 1907-10-2 25 San Joaquin Near Lathrop Comment
  CAS-BOT-BC423392  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
  CAS-BOT-BC423396  Wislizenia californica A. A. Heller 1920-9-9 13527 San Joaquin Along the highway about 5 miles south of Stockton 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
  POM142488  Wislizenia refracta subsp. californica Katherine Brandegee 1907-10-2 25 San Joaquin Near Lathrop. Comment
  POM142969  Wislizenia refracta subsp. californica Michener, Bioletti 1892-9-9 s.n. San Joaquin Lathrop. Comment
  POM142970  Wislizenia refracta subsp. californica F. T. Bioletti 1891-07 s.n. San Joaquin Lathrop. Comment
  SBBG29793  Wislizenia refracta subsp. californica K. Brandegee 1907-10-2 San Joaquin near Lathrop Comment
  UC101847  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
  UC1228152  Wislizenia refracta subsp. californica Beecher Crampton 1960-8-9 5774 San Joaquin along Durham Ferry Rd 7.5 mi w Ripon 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
  SD117134  Wolffia globosa Wayne P. Armstrong 1984-8-23 1217 San Joaquin South side [of] Liberty Road, 1.5 miles east of junction with Highway 88 (southwest of Ione). [On] surface of small ponds along creek. 60 Comment
  UCD138084  Wolffia globosa W. R. Russell 1967-6-20 s.n. San Joaquin Northeastern San Joaquin County: South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88. Comment
  UC635134  Wolffiella lingulata H. L. Mason 1938-8-26 12072 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  UC635135  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin 0.5 mi sw Holt, Roberts Island (Trappers Slough); Trappers Slough Comment
  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-BC535222  Wolffiella lingulata John Thomas Howell 1932-9-2 10790 San Joaquin Floating in slough, Holt Comment
  JEPS32012  Wyethia helenioides W. L. Jepson 1902-5-18 1820 San Joaquin Clements 40 Comment
  UC485135  Xanthium spinosum Harriet A. Walker 1907-9-8 884 San Joaquin Lathrop Comment
  CAS-BOT-BC383770  Xanthium strumarium David D. Keck 1931-10-18 1317 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles east of Manteca 23 Comment
  UC36814  Xanthium strumarium J. A. Sanford 1890-1 8 San Joaquin Comment
  UCD96910  Yabea microcarpa Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6949 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-BC454222  Zannichellia palustris John Thomas Howell 1932-10-16 10841 San Joaquin Water of Corral Hollow Creek, 5 miles east of Tesla Comment
  CAS-BOT-BC454223  Zannichellia palustris Victor Duran 1932-8-14 3376 San Joaquin Corral Hollow Comment



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