Search Results — 2000 specimen records retrieved (1479 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
  SD241095  Abutilon theophrasti George K. Helmkamp, E. A. Helmkamp 2011-10-15 18440 San Joaquin San Joaquin Valley: along CA-4, 0.4 mile east of Farmington (Farmington 7.5'Q) 41 Comment
  SEINET3292756 Image available Acacia William G. Gambill Jr. 1965-3-31 San Joaquin Stockton, Amos Alonzo Stagg High School. Comment
  CAS-BOT-BC21727  Achillea millefolium E. E. Stanford 1930-5-3 1464 San Joaquin Elliot Rd. near Elliot Comment
  CDA21261  Achnatherum brachychaetum R. Breckenridge, Lancaster 1996-8-2 s.n. San Joaquin San Joaquin Valley; 5th year alfalfa field in vicinity of Tracy. Cleistogamous seed in pocket from center of plant base. Perennial bunchgrass. 0 Comment
  UC1776761  Achnatherum brachychaetum Tad Gantenbein 1996-5-4 San Joaquin Weedy in alfalfa; Mike Mattes property between Banta and I-205, NE of Tracy. Comment
  UCD13379  Achnatherum brachychaetum Tad H. Gantenbein 1996-5-1 s.n. San Joaquin San Joaquin Co. NE of Tracy, town of Banta, west of town between Grant Line Rd and Hwy 205, east of Paradise Rd.. Comment
  SEINET9341013  Achnatherum brachychaetum Unknown 1991-5-1 s.n. San Joaquin San Joaquin Comment
  JEPS36734  Achyrachaena mollis W. L. Jepson 1938-4-14 18684 San Joaquin hills above headwaters Goose Creek Comment
  JEPS36751  Achyrachaena mollis R. F. Hoover 1937-4-23 1920 San Joaquin 7 mi e Stockton Comment
  UC1125428  Achyrachaena mollis R. D. Roseberry 1935-5-14 171 San Joaquin 1 mi w Bald Mt.; Jackson Quad., Bald Mt 106 Comment
  CAS-BOT-BC29726  Achyrachaena mollis Gladys L. Smith 1959-5-1 1050 San Joaquin Roadsides near Wallace Comment
  CAS-BOT-BC29728  Achyrachaena mollis E. E. Stanford 1928-4-7 846 San Joaquin Near Stockton Comment
  CAS-BOT-BC29729  Achyrachaena mollis E. E. Stanford 1927-4-23 182 San Joaquin Near 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
  CAS-BOT-BC202666  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line Comment
  POM196338  Aesculus californica E. E. Stanford 1928-5-22 1014 San Joaquin Sacramento Road, near Sacramento County Line. Comment
  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
  UC766922  Agrostis exarata R. F. Hoover 1935-8-3 705 San Joaquin 5 mi sw Ripon Comment
  UCR128291  Agrostis viridis Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  RSA77176  Ailanthus altissima E. E. Stanford 1930-5-16 1488 San Joaquin Stockton. Comment
  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
  SEINET3896057  Alisma gramineum Virginia Alexson 1964-6-13 22 San Joaquin Three miles North of Stockton.; 0 Comment
  UC185312  Alisma plantago-aquatica Katharine Brandegee 1914-9-27 San Joaquin San Joaquin Bridge 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
  POM179762  Allenrolfea occidentalis J. T. Howell 1930-9-28 5506 San Joaquin On the Borden Hwy to Holt. Comment
  UC766742  Allium crispum R. F. Hoover 1941-4-18 4850 San Joaquin lower end of Corral Hollow Corral Hollow Comment
  UC917065  Allium crispum R. Bacigalupi 1949-5-17 3094 San Joaquin upper slopes of Hospital Canyon Hospital Canyon 243 Comment
  CDA2747  Allium neapolitanum J. B. Gianelli 1962-4-9 San Joaquin Victor Colvin property, Almond Drive & Stockton Drive, Lodi. 0 Comment
  RSA21457  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital canyon, SW of Vernalis 107 Comment
  UC917064  Allium serra R. Bacigalupi 1949-5-17 3095 San Joaquin Upper slopes of Hospital Hospital Canyon 243 Comment
  CAS-BOT-BC475566  Allium serra Carl B. Wolf 1937-3-31 8391 San Joaquin San Joaquin Valley, mouth of Hospital Canyon, SW of Vernalis. 106 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
  CAS-BOT-BC171443  Alnus rhombifolia Brian Atwater 1978-8-31 130 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  UCR63942  Alnus rhombifolia L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC138156  Alopecurus aequalis var. aequalis E. E. Stanford 1928-4-29 940 San Joaquin 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
  UCD55877  Alopecurus carolinianus A. A. Beetle 1942-4-9 2939 San Joaquin 10 miles W of Modesto, Rt. 99. Comment
  UC936194  Alopecurus saccatus H. L. Mason 1932-4-24 6969 San Joaquin 11 mi. s. Clements Comment
  SEINET7594788 Image available Alopecurus saccatus E. E. Stanford 1927-1 153 San Joaquin Stockton, Near Stockton Comment
  SEINET3237954 Image available Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13082 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road. 37 Comment
  UCR253798  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20064 San Joaquin San Joaquin Valley, along Hwy J-6 (Escalon-Bellota Road), 1.2 miles south of its junction with CA-26 46 Comment
  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
  UCD97219  Amaranthus caudatus J. M. Tucker 1951-10-31 2314 -9 San Joaquin On Staten Island. Comment
  UCD97092  Amaranthus cruentus J. M. Tucker 1956-10-27 3278 San Joaquin In an asparagus field, near the road; ca. 2 1/2 miles west of Thornton, north side of road to Walnut Grove. 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
  UCD97517  Amaranthus palmeri J. Wycoff 1997-8-1 s.n. San Joaquin The city of Turlock. Southeast of town, Cressey Dairy, in agricultural fields east of Highway 99, along Cressey Rd. Comment
  CDA25625  Amaranthus powellii G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13083 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  RSA789502  Amaranthus powellii George K. Helmkamp, E. Helmkamp 2011-10-15 18432 San Joaquin along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SD240817  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18432 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Road (Linden 7.5'Q) 39 Comment
  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
  CDA3310  Amaranthus retroflexus Margaret Bellue 1933-10-6 San Joaquin Southwest of Lodi. 0 Comment
  RSA18392  Amaranthus retroflexus C. B. Wolf 1927-6-23 515 San Joaquin 1 mile east of Rippon, Stanislaus River Bottom Comment
Read comments
Sep 17 2012
  UCD97782  Amaranthus retroflexus J. M. Tucker 1951-10-31 2314 -7 San Joaquin On Staten Island. 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
  UC88760  Ambrosia psilostachya T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC73989  Ambrosia psilostachya J. A. Sanford 220 San Joaquin Robert's Island Comment
  UCD128819  Ambrosia psilostachya G. F. Hrusa 1992-8-26 9565 San Joaquin Caswell Memorial State Park. Immediately west of westernmost parking area. Comment
  CDA6722  Ambrosia trifida R. S. Griffith 1959-8-4 San Joaquin Clifton Court Road and Byron-Tracy Highway, Byron. 0 Comment
  JEPS33276  Ammannia coccinea Rimo Bacigalupi and L. Constance 1962-8-13 8714 San Joaquin just n. San Joaquin City (just n. of bridge of Durham Ferry Rd., flats on e. side of San Joaquin R.) 3 Comment
  UC19727  Ammannia coccinea J. A. Sanford 1890-1 40 San Joaquin Stockton Comment
  UCD77330  Ammannia coccinea Robert E. Preston 2004-9-3 2295 San Joaquin Ca. 9.1 miles NE of Lodi, at jct Liberty Road and Elliott Road. 32 Comment
  JEPS45988  Ammannia robusta F. T. Bioletti Sept. 1892 San Joaquin San Joaquin Bridge Comment
  UCD102869  Ammannia robusta Rimo Bacigalupi; L. Constance 1962-8-13 8714 San Joaquin Flats on eastern side of San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of side of San Joaquin City. 3 Comment
  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
  CAS-BOT-BC214043  Amsinckia John Thomas Howell 1933-3-26 10890 San Joaquin Corral Hollow Comment
  UC1178287  Amsinckia Ray and Chisaki K 163 San Joaquin Farmington Comment
  CAS-BOT-BC222314  Amsinckia douglasiana Carl B. Wolf 1937-3-31 8375 San Joaquin San Joaquin Valley, 1 mi. So. of Stockton on Tracy Road 5 Comment
  SEINET3293462 Image available Amsinckia douglasiana P. O. Schallert 1945-3-8 C 30 San Joaquin Near Stockton common waste places Comment
  JEPS61114  Amsinckia eastwoodiae R. F. Hoover 1935-3-1 232 San Joaquin Vernalis Comment
  OBI20627  Amsinckia eastwoodiae Robert F. Hoover 1966-3-25 9741 San Joaquin River Rd along San Joaquin River just N of Stanislaus Co. line Comment
  UC1178333  Amsinckia eastwoodiae Ray and Chisaki 1952-4-22 K 138 San Joaquin Farmington Comment
  UC1191063  Amsinckia eastwoodiae C. R. Bell 1951-4-6 953 San Joaquin Farmington Comment
  UCD96869  Amsinckia eastwoodiae Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6923 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Along main road through property, going south along ridgetop. Ridge east of Arnsinckia grandiflora canyon. Comment
  RSA0090956  Amsinckia eastwoodiae J. T. Howell 1938-4-10 13756 San Joaquin Hospital Canyon. Comment
  CAS-BOT-BC222440  Amsinckia grandiflora Peter H. Raven 1950-3-26 1518 San Joaquin Corrall [Corral] Hollow, 2 miles up canyon opening on the Tesla Rd. 15.1 miles from Livermore Comment
  CAS-BOT-BC222445  Amsinckia grandiflora Robert F. Hoover 1938-3-19 2866 San Joaquin One mile north of Corral Hollow near Alameda County line Comment
  CAS-BOT-BC222449  Amsinckia grandiflora R. F. Hoover 1938-3-19 2866 San Joaquin 1 mi. n. of Corral Hollow near Alameda Co. line Comment
  JEPS14264  Amsinckia grandiflora Francia Chisaki and R. Bacigalupi 1956-4-5 664 San Joaquin e. side of canyon leading n. from Corral Hollow (0.45 mi. e. of San Joaquin-Alameda Co. line, ca. 1.5 mi. n. of rd. in Corral Hollow) Comment
  JEPS24887  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mile N of Corral Hollow near Alameda County line). Comment
  JEPS46003  Amsinckia grandiflora L. R. Heckard, Ornduff, John J. Souza 1966-4-16 1470 San Joaquin North from Corral Hollow Road, about 1 mile from road and 1/2 mile east of Alameda County line. Just Southwest of drop tower of the U.S. Atomic Energy Commission testing area. Comment
  JEPS73877  Amsinckia grandiflora L. R. Heckard 1974-4-25 3671 San Joaquin Just west of Drop Tower No. 358 on grounds of Atomic Energy Commission (1/2 mi. e. of Alameda Co. line, University CA test site in Corral Hollow); University CA test site in Corral Hollow. 304 Comment
  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
  RSA128388  Amsinckia grandiflora Robert F. Hoover 1938-4-9 3021 San Joaquin One mile north of Corral Hollow near Alameda County line. Comment
Read comments
Nov 17 2007
  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
  UC762090  Amsinckia grandiflora R. F. Hoover 1938-4-9 3021 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
Read comments
May 22 2007
  POM147727  Amsinckia intermedia E. E. Stanford 1928-3-2 784 San Joaquin Stockton. Comment
  POM212645  Amsinckia intermedia Lincoln Constance, Alan Bettle 1940-3-21 2527 San Joaquin Castle Rock, Coral Hollow. 198 Comment
  RSA499908  Amsinckia intermedia E. E. Stanford 1928-3-2 784 San Joaquin Stockton. Comment
  UC1191062  Amsinckia intermedia C. R. Bell 1951-4-6 954 San Joaquin Farmington Comment
  UC659434  Amsinckia intermedia Lincoln Constance, Alan A. Beetle 1940-3-21 2527 San Joaquin Corral Hollow Castle Rock; Inner Coast Ranges 198 Comment
  UC75331  Amsinckia intermedia C. F. Baker 1903-4-25 2779 San Joaquin Tracy; Pacific Coast Comment
  UCR207836  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2009-3-26 14459 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  CDA40600  Amsinckia intermedia T. C. Fuller 1962-4-2 8207 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  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
  OBI20642  Amsinckia lycopsoides Robert F. Hoover 1966-3-25 9742 San Joaquin River Rd along San Joaquin River just N of Stanislaus Co. line Comment
  UC1094067  Amsinckia lycopsoides Francia Chisaki, Peter M. Ray 1951-4-14 1984 San Joaquin 3 mi e Stockton (Hwy #4) 7 Comment
  UC1178258  Amsinckia lycopsoides Francia Chisaki 1954-3-27 583 San Joaquin on Corral Hollow Road, 1.7 mi s of junction with Fabian Road now called Tracy Expressway; Corral Hollow Road Comment
  UC24613  Amsinckia lycopsoides J. A. Sanford 1890-1 366 San Joaquin Waverly Comment
  UC573137  Amsinckia lycopsoides H. L. Mason 1932-3-19 6816 San Joaquin w of Tracy (road from Mountain House to Midway) Comment
  UC727044  Amsinckia lycopsoides A. A. Heller 1941-3-24 15911 San Joaquin Banta Comment
  UCD96873  Amsinckia lycopsoides Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6927 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  POM146257  Amsinckia lycopsoides E. E. Stanford 1927-3-7 96 San Joaquin Stockton Campus. Comment
  RSA21264  Amsinckia lycopsoides C. B. Wolf 1937-3-31 8378 San Joaquin San Joaquin Valley, 3 mi. e. of Tracy at junction with Vernalis Road. 8 Comment
  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
  JEPS61108  Amsinckia menziesii var. menziesii W. L. Jepson 1938-4-14 18683 San Joaquin headwaters of Goose Creek Comment
  NY334940  Amsinckia obvallata C. F. Baker 1903-4-25 2779 San Joaquin Tracy Comment
  RSA0089747  Amsinckia obvallata A. A. Heller 1941-3-24 15911 San Joaquin Banta. Comment
  CAS-BOT-BC26781  Amsinckia pusilla Alice Eastwood 1921-5-22 10591 San Joaquin near Stockton Comment
  CAS-BOT-BC26813  Amsinckia rugosissima C. F. Baker 1903-4-25 2779 San Joaquin Tracy Comment
  CAS-BOT-BC26954  Amsinckia scabricarpa Alice Eastwood 1917-4-2 s.n. San Joaquin Banta Comment
  UCD96890  Amsinckia tessellata Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6936 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge south and above Amsinckia grandiflora canyon. Comment
  SEINET12519231  Amsinckia tessellata P. O. Schallert 1943-1 39 San Joaquin Stockton Comment
  JEPS27275  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi 1961-2-27 7545 San Joaquin in canyon n of Corral Hollow (just below and s of drop-tower installation of Atomic Energy Commission, just e of Alameda-San Joaquin county line) 243 Comment
  UC1061725  Amsinckia vernicosa var. vernicosa Rimo Bacigalupi and Francia Chisaki with Annetta Carter, Lucille Mason and Isabelle Tovares 1956-4-5 5581 San Joaquin 0.45 mi e of Alameda-San Joaquin County line (about 1.5 mi n of the Corral Hollow road, Drainage of Corral Hollow, in first side canyon to the north); Inner South Coast Range Comment
  UC1211928  Amsinckia vernicosa var. vernicosa John H. Weiler, A. P. Nelson 1961-2-27 692 San Joaquin opposite drop tower on Atomic Energy Commission territory at Corral Hollow (0.5 mi e of Alameda-San Joaquin County line) Comment
  UC765549  Amsinckia vernicosa var. vernicosa R. F. Hoover 1938-4-9 3023 San Joaquin 1 mi n of Corral Hollow (near Alameda County line) Comment
  UCD117537  Anagallis arvensis Marvin Nies 1951-5-4 57 San Joaquin 6 miles east of Lodi. Comment
  CAS-BOT-BC45265  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1935-4-7 2102 San Joaquin East end of Corral Hollow Comment
  UCD77333  Androsace elongata subsp. acuta Robert E. Preston 2002-4-1 1782 San Joaquin Lawrence Livermore National Laboratory, Site 300. 365 Comment
  CAS-BOT-BC400245  Anemopsis californica E. E. Stanford 1930-5-2 1453 San Joaquin King's Island Road Comment
  SEINET8656083  Anemopsis californica E. E. Stanford 1930-5-2 1453 San Joaquin King's Island Road Comment
  CDA35719  Anoda cristata Unknown 1996-5-28 s.n. San Joaquin Southeast of Stockton, off Kaiser Road, South of Mariposa Road. In a tomato field. There is a question as to whether this species was introduced from a tomato seed sample approximately two years ago. 0 Comment
  UCD116182  Anoda cristata Collector unknown 1996-5-28 s.n. San Joaquin Southeast of Stockton, off Kaiser Road, South of Mariposa Road. Comment
  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
  CDA39745  Apocynum androsaemifolium Ball 1938-8-21 s.n. San Joaquin Near Lodi. 0 Comment
  CDA39746  Apocynum androsaemifolium Bellue - Ball Sep 1938 s.n. San Joaquin Near Lodi or Stockton. 0 Comment
  UC22890  Apocynum cannabinum J. A. Sanford 1890-1 233 San Joaquin Robert's Island Comment
  UC21920  Arctostaphylos viscida subsp. mariposa J. A. Sanford 1890-1 422 San Joaquin Comment
  UCD38677  Aristida oligantha Beecher Crampton 1956-7-30 3745 San Joaquin 4.8 miles north of Farmington. Comment
  UCD56469  Aristida oligantha Beecher Crampton 1956-7-30 3745 San Joaquin 4.8 miles north of Farmington. Comment
  CDA24670  Armoracia rusticana J. Solari 1966-4-12 San Joaquin San Joaquin Delta . 0 Comment
  CDA3628  Armoracia rusticana J. Solari 1966-4-12 San Joaquin San Joaquin Delta . 0 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
  JEPS49960  Asclepias fascicularis W. L. Jepson 1923-10-22 10277 San Joaquin Union Island Lower San Joaquin River Comment
  UC22984  Asclepias fascicularis Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC22994  Asclepias fascicularis J. A. Sanford 1890-1 48 San Joaquin Stockton Comment
  UCD121335  Asclepias fascicularis G. F. Hrusa 1992-8-26 9571 San Joaquin Caswell Memorial State Park. Comment
  CDA39834  Asclepias fascicularis Barry Aug 1938 s.n. San Joaquin Near Stockton. 0 Comment
  RSA401255  Asclepias fascicularis E. E. Stanford 1927-8-31 s.n. San Joaquin Stockton Comment
  SEINET10923194  Asclepias fascicularis E. E. Stanford 1927-8-31 Stanford 695 San Joaquin Stockton Comment
  RSA201894  Asclepias vestita W. L. Jepson 1902-5-18 1823 -C San Joaquin Clements 41 Comment
  SJSU1658  Asclepias vestita M. E. Myers 1955-5-27 60 San Joaquin 12 mi E of Lodi, Sierra Nevada Foothills 60 Comment
  SD71048  Asparagus officinalis Hohn Thomas Howell 1954-9-5 30029 San Joaquin Along highway near Holt. Comment
  CAS-BOT-BC478058  Asteraceae James McMurphy 1908-10-19 s.n. San Joaquin Between Tracy and Altamont Comment
  RSA415798  Astragalus curtipes L. S. Rose 1936-3-19 36072 San Joaquin Morro Beach. 15 Comment
Read comments
Aug 18 2014
  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
  CAS-BOT-BC182329  Astragalus didymocarpus var. didymocarpus Charles Piper Smith 1921-4-13 3466 San Joaquin Tracy - Southern Pacific - Niles line Comment
  CAS-BOT-BC182330  Astragalus didymocarpus var. didymocarpus Alice Eastwood; John Thomas Howell 1938-4-18 5076 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC182335  Astragalus didymocarpus var. didymocarpus H. L. Mason 1932-3-19 6834 San Joaquin Two miles east of Midway, near Tracy Comment
  CAS-BOT-BC182332  Astragalus didymocarpus var. didymocarpus E. E. Stanford 1930-4-19 1370 San Joaquin Patterson Pass Road Comment
  RSA138294  Astragalus douglasii Volney Rattan 1880-7-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC178267  Astragalus gambelianus Maxine Wilkes 1940-4-7 135 San Joaquin Corral Hollow Comment
  CAS-BOT-BC178270  Astragalus gambelianus Alice Eastwood; John Thomas Howell 1935-4-7 2100 San Joaquin East end of Corral Hollow Comment
  UC168326  Astragalus gambelianus Katharine Brandegee 1908-1 San Joaquin Lathrop Comment
  CAS-BOT-BC178268  Astragalus gambelianus Volney Rattan 1883-3-20 s.n. San Joaquin Wilkinson's Ranch Comment
  RSA60141  Astragalus gambelianus Lois E. James 1947-4-12 1756 San Joaquin Hills just N of San Luis Obispo. Comment
  SEINET948625  Astragalus oxyphysopsis Carl B. Wolf 1935-1 6415 San Joaquin Coalinga -- Hanford Road, 2 3/10 miles MI. E. of Fresno County line. Comment
  CHSC55815  Athyrium filix-femina var. cyclosorum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2723 San Joaquin In Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stockton. 1 Comment
  CAS-BOT-BC17574  Athysanus pusillus Robert Francis Hoover 1938-2-27 2793 San Joaquin Castle Rock, Corral Hollow. Comment
  CAS-BOT-BC17576  Athysanus pusillus Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10561 San Joaquin Corral Hollow. Comment
  UCR51786  Athysanus unilateralis L. S. Rose 1938-4-3 38120 San Joaquin San Joaquin Valley/Inner South Coast Range, Corral Hollow 122 Comment
  RSA147793  Atriplex argentea E. E. Stanford 1927-8-15 678 San Joaquin Stockton Comment
  JEPS59520  Atriplex argentea var. mohavensis W. L. Jepson 1896-7-17 San Joaquin Comment
  UC205287  Atriplex argentea var. mohavensis H. M. Hall 1919-10-26 San Joaquin Manteca Comment
  UC990738  Atriplex argentea var. mohavensis Roxana S. Ferris 1951-9-15 12471 San Joaquin near Lathrop; near Lathrop Comment
  UC1784356  Atriplex californica H. C. Stutz 1977-6-15 8030 San Joaquin Tracy Comment
  JEPS628  Atriplex cordulata W. L. Jepson 1896-7-17 San Joaquin 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
  RSA97313  Atriplex fruticulosa J. T. Howell 1953-4-26 28934 San Joaquin Just NE of Corral Hollow on road to Tracy. Comment
  POM195360  Atriplex joaquinana H. M. Hall 1927-5-15 12270 San Joaquin Stockton Comment
  CAS-BOT-BC180936  Atriplex minuscula F. R. Lawson 1930-10-14 s.n. San Joaquin 8.8 miles N. of Tranquility Comment
  UCD97621  Atriplex prostrata K. Esau 1929-9-21 2039 San Joaquin Staten Island. Comment
  CDA2938  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  CDA2944  Atriplex rosea T. C. Fuller 1962-6-4 8834 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  CDA23323  Atriplex serenana T. C. Fuller 1962-6-4 8833 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  CDA23326  Atriplex serenana T. C. Fuller 1962-6-4 8833 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  UC7107  Atriplex serenana var. serenana J. Burtt Davy 1893-11-13 1189 San Joaquin Stockton Comment
  UC990740  Atriplex serenana var. serenana Roxana S. Ferris 1951-9-15 12470 San Joaquin near Lathrop; near Lathrop Comment
  CAS-BOT-BC180896  Atriplex serenana var. serenana John Thomas Howell 1930-10-11 5557 San Joaquin Field, 5 miles south of Stockton. Comment
  UC767830  Atriplex triangularis R. F. Hoover 1935-9-7 721 San Joaquin Roberts Island 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
  UCR253606  Avena fatua George K. Helmkamp 2014-3-18 22573 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
  UC535004  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Hwy. between Middle and Old forks of San Joaquin River Comment
  CAS-BOT-BC66228  Azolla filiculoides Edward Lee 1934-7-4 970 San Joaquin Borden Highway between Middle and Old forks of the San Joaquin River Comment
  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
  CDA15564  Baccharis glutinosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14895 San Joaquin Caswell Memorial State Park. Comment
  JEPS21242  Baccharis glutinosa R. F. Hoover 1935-9-9 724 San Joaquin Union Island Comment
  UC30357  Baccharis glutinosa F. T. Bioletti 1891-8-31 San Joaquin Comment
  CDA10386  Baccharis pilularis subsp. consanguinea F. M. Newhall 1959-11-23 San Joaquin 0 Comment
  UCD143433  Baccharis pilularis subsp. consanguinea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  SEINET899244  Baccharis salicifolia R. A. Dodge 1957-1 90 San Joaquin 15 miles southeast of Livermore, on Corral Hollow Road 46 Comment
  SEINET3387388 Image available Baeria platycarpha P. O. Schallert 1945-4-1 160 San Joaquin Smaller gold fields 20 m. of Stockton, California Comment
  CDA21203  Basella alba J. Allan 2006-11-3 PDR 1301869 San Joaquin San Joaquin Valley; SE corner of Sonora and Della, Stribley Park. Comment
  CAS-BOT-BC102060  Bidens frondosa Brian Atwater 1978-9-16 BA- 147 San Joaquin inside a meander of Middle River; between Victoria Is. and Upper Jones Tract Comment
  CDA15560  Bidens frondosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14891 San Joaquin Caswell Memorial State Park on Stanislaus River. W terminus of Fence Line trail. Comment
  JEPS32535  Bidens frondosa W. L. Jepson 1923-10-22 10279 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River Comment
  JEPS79581  Bidens frondosa Edward Lee with A. Carter and F. Little 1934-7-4 955 San Joaquin Borden Road between Middle River and Holt Comment
  UC579887  Bidens frondosa Annetta Carter 1934-7-4 1934 San Joaquin between Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway Comment
  RSA92410  Bidens frondosa Annetta Carter 1934-7-4 678 San Joaquin Borden Highway between Middle River and Holt Comment
  JEPS32536  Bidens laevis W. L. Jepson 1923-10-22 10268 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River, Union Island Comment
  RSA0000971  Biolettia riparia F. T. Bioletti 1892-09 s.n. San Joaquin San Joaquin Bridge. Comment
  CAS-BOT-BC100277  Blennosperma nanum var. nanum Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC100278  Blennosperma nanum var. nanum E. E. Stanford 1928-3-20 817 San Joaquin Near Peters 45 Comment
  JEPS33982  Blennosperma nanum var. nanum W. L. Jepson 1938-4-14 18680 San Joaquin about headwater of Goose Creek ne San Joaquin County Comment
  CAS-BOT-BC127904  Blepharizonia laxa James Vale 1975-9-17 s.n. San Joaquin East end of Corrall Hollow Comment
  CAS-BOT-BC127905  Blepharizonia laxa James Vale 1975-10-4 s.n. San Joaquin Middle part of Corral Hollow Comment
  CAS-BOT-BC127910  Blepharizonia laxa R. F. Hoover 1938-8-22 3792 San Joaquin Lower part of Hospital Canyon, Mount Hamilton Range 152 Comment
  UC101776  Blepharizonia laxa Katharine Brandegee 1907-10-2 San Joaquin near (railroad track) Stockton Comment
  UCD129611  Blepharizonia laxa Robert E. Preston 1996-9-27 1003 San Joaquin Lawrence Livermore National Laboratory, Site 300, on east-facing roadcut along Rout 4, around 0.6 miles west of its junction with Route 3. 396 Comment
  UC761854  Blepharizonia plumosa Robert F. Hoover 1935-9-7 716 San Joaquin Tracy Comment
  UCD129614  Blepharizonia plumosa Robert E. Preston 1996-9-27 1006 San Joaquin Lawrence Livermore National Laboratory, Site 300, on berms adjacent to Building 834. 316 Comment
  RSA81638  Blepharizonia plumosa subsp. plumosa James I. McMurphy 1908-10-19 s.n. San Joaquin 6.5 miles west of Tracy Comment
  RSA465632  Boisduvalia cleistogama E. E. Stanford 1930-5-26 1522 San Joaquin Harney Lane Comment
  RSA41169  Boisduvalia glabella Robert F. Hoover 1936-6-11 1301 San Joaquin Farmington. 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-BC28213  Bolboschoenus fluviatilis Brian Atwater 1978-8-24 BA- 99 San Joaquin Between Rindge Tract and Wright Tract, Pristine tidal swamp and marsh served by Fourteen Mile Slough. Comment
  CAS-BOT-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
  CAS-BOT-BC31039  Bolboschoenus maritimus John Thomas Howell 1930-9-28 5508 San Joaquin Subsaline hollow along Borden Highway to Stockton. Comment
  UC1100915  Bolboschoenus maritimus subsp. paludosus Herbert L. Mason 1948-5-31 13574 San Joaquin three mi n Ripon; n of Ripon Comment
  CAS-BOT-BC95321  Bowlesia incana E. E. Stanford 1930-4-5 1228 San Joaquin Hospital Canyon Comment
  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
  SEINET3292593 Image available Brassica nigra P. O. Schallert 1945-2-27 San Joaquin Stockton, Delta land near stockton. Comment
  RSA482908  Brassica nigra C. R. Quick 1929-3-17 s.n. San Joaquin Near Peters. Comment
  UCR238400  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-4-7 18729 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  UCR253609  Brassica rapa George K. Helmkamp 2014-3-18 22577 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CAS-BOT-BC36688  Brassica rapa E. E. Stanford 1927-9-17 702 San Joaquin Stockton. In Calaveras River. Comment
  RSA482940  Brassica rapa Flossie Draper 1927-10-6 33 San Joaquin Near campus [Stockton] Comment
  UCD114833  Brassica rapa E. F. Serr 1932-3-4 s.n. San Joaquin Lodi. Comment
  UCR2202B  Briza media F. M. Reed 1920-10-22 4539 San Joaquin Sacramento Valley, Rice field near Galt 15 Comment
  UC552435  Brodiaea appendiculata R. F. Hoover 1936-4-30 1058 San Joaquin Farmington Comment
  CAS-BOT-BC482169  Brodiaea appendiculata E. E. Stanford 1928-5-12 952 San Joaquin Near Peters Comment
  SEINET12049955  Brodiaea appendiculata E. E. Stanford 1930-1 1467 San Joaquin near Stockton Comment
  JEPS6307  Brodiaea elegans subsp. elegans W. L. Jepson 1902-5-18 1822 San Joaquin Clements 76 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
  UC768714  Brodiaea nana R. F. Hoover 1936-4-30 1056 San Joaquin Farmington Comment
  SEINET10533895  Brodiaea synandra E. E. Stanford 1930-5-3 Stanford 1467 San Joaquin Jacktone Road. Open fields. Comment
  CAS-BOT-BC156278  Bromus catharticus E. E. Stanford 1930-5-21 1505 San Joaquin Stockton. On campus. Comment
  UCD58406  Bromus catharticus G. F. Hrusa; S. A. Wagner 1992-4-22 9265 San Joaquin Caswell Memorial State Park. Comment
  UCR201897  Bromus catharticus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14238 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  SEINET10523268  Bromus catharticus E. E. Stanford 1930-5-21 Stanford 1505 San Joaquin Stockton. Weed on campus. Comment
  SEINET3292686 Image available Bromus commutatus P. O. Schallert 1945-5-20 C 274 San Joaquin Stockton Comment
  HSC9290  Bromus diandrus C. S. Chavez 1965-4-10 29 San Joaquin Hwy. 50 downtown Tracy Comment
  SACT000664  Bromus diandrus Herbert Copeland 1935-7-28 San Joaquin Comment
  SEINET3271555 Image available Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley; junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCD96893  Bromus diandrus Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6938 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  UCR207828  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14451 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UCR232201  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17068 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UCR253640  Bromus diandrus George K. Helmkamp 2014-3-18 22581 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  CAS-BOT-BC155490  Bromus hordeaceus E. E. Stanford 1927-4-9 139 San Joaquin Near Stockton. Comment
  SD240803  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-4-7 18715 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UC766829  Bromus hordeaceus R. F. Hoover 1937-5-6 2079 San Joaquin 5 mi se of Stockton Comment
  UCD58638  Bromus hordeaceus Mrs. H. P. Kelley 1916-5-25 s.n. San Joaquin San Joaquin County. Comment
  UC60197  Bromus madritensis subsp. rubens Benj. Cobb 1900-3-20 San Joaquin Tracy Comment
  CAS-BOT-BC161975  Bromus rubens E. E. Stanford 1927-3-24 123 San Joaquin Stockton. Along trolley tracks. Comment
  CDA21078  Cabomba caroliniana D. Griffin, E. Finley 1995-10-6 s.n. San Joaquin Disappointment Slough, Sacamento-San Joaquin River Delta, NW of Stockton. 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-BC438329  Calandrinia ciliata E. Roy Weston 1927-4-3 586 San Joaquin Near Comanche Pk., San Joaquin Valley 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-BC167300  California macrophylla Alice Eastwood; John Thomas Howell 1938-4-18 5089 San Joaquin Hospital Canyon Comment
  UC570780  Callitriche heterophylla var. bolanderi H. L. Mason 1929-4-7 5202 San Joaquin 4 mi e Clements Comment
  CAS-BOT-BC132333  Calochortus clavatus R. Bacigalupi 1949-5-17 3097 San Joaquin Hospital Canyon, lower slopes 182 Comment
  JEPS7426 Image available Calochortus clavatus R. Bacigalupi 1949-5-17 3097 San Joaquin Hospital Canyon 182 Comment
Read comments
Nov 9 2011
  UC3411  Calochortus luteus F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC490541  Calochortus luteus Gladys L. Smith 1959-5-1 1064 San Joaquin 1 mile east of Wallace, highway 12. 60 Comment
  POM172658  Calycadenia hispida E. E. Welty 1916-9-23 s.n. San Joaquin 7 miles northeast of Ripon 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
  JEPS38569  Calycadenia multiglandulosa W. L. Jepson 1896-6-27 14866 San Joaquin lower San Joaquin, between Moss Ferry and Atlanta San Joaquin Comment
  UC935677  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 mi s, on road to Milton Farmington Comment
  CAS-BOT-BC270659  Calycadenia multiglandulosa H. M. Hall 1930-8-8 12850 San Joaquin 2.5 miles E of Farmington, on road to Milton Comment
  CAS-BOT-BC270661  Calycadenia multiglandulosa David D. Keck 1932-6-26 1507 San Joaquin 2.5 miles E of Farmington, on Milton Road, along deep ditch Comment
  CAS-BOT-BC270663  Calycadenia multiglandulosa David D. Keck; Palmer Stockwell 1933-8-23 2511 San Joaquin 2.5 miles E of Farmington, on bank at edge of cultivated field Comment
  CAS-BOT-BC270879  Calycadenia spicata David D. Keck 1932-6-26 1507 San Joaquin 2.5 miles E of Farmington, on Milton Road Comment
  UC1191637  Calystegia sepium subsp. binghamiae Herbert L. Mason, Verne Grant 1946-8-21 13067 San Joaquin Holt Holt (in tules) 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
  RSA31979  Camissonia contorta C. F. Baker 1903-4-25 2775 San Joaquin Tracy. Comment
  UC107695  Camissonia contorta Mrs. K. Brandegee May 1889 San Joaquin Tracy Comment
  UC20526  Camissonia contorta Benj. Cobb San Joaquin Tracy 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
  CDA3671  Capsella bursa-pastoris T. C. Fuller 1962-4-2 8206 San Joaquin 2 miles northwest of Lathrop Bridge, ca. 5 miles northeast of Tracy. 0 Comment
  JEPS53288  Capsella bursa-pastoris W. L. Jepson 1922-4-2 9579 San Joaquin Corral Hollow, w San Joaquin County Corral Hollow; Mount Hamilton Range, Corral Hollow Comment
  SEINET10812499  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2010-4-7 Helmkamp 15831 San Joaquin Northeast San Joaquin Valley: Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi NE (27) of Clements (Clements 7.5' Q). 47 Comment
  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
  CAS-BOT-BC37042  Capsella bursa-pastoris E. E. Stanford 1926-9-12 13 San Joaquin Stockton. Pacific Manor. Comment
  CDA24759  Cardamine hirsuta F. M. Newhall 1961-3-3 San Joaquin North bank Mokelumne River, Lodi. 0 Comment
  UCD114547  Cardamine oligosperma G. F. Hrusa; S. A. Wagner 1992-4-22 9060 San Joaquin Caswell Memorial State Park; just inside the entrance gate. Comment
  CDA34366  Cardaria chalepensis E. Finley 1992-4-9 PDR 962388 San Joaquin Lammers Rd. Tracy. 0 Comment
  CDA14315  Cardaria pubescens J. Allan 1998-8-5 s.n. San Joaquin San Joaquin Valley; Naglee Rd. in Tracy. 0 Comment
  UCR128227  Carduus pycnocephalus Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  CDA6898  Carduus tenuiflorus F. M. Newhall 1961-5-4 San Joaquin Route 1, Box 175, Acampo. 0 Comment
  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
  CAS-BOT-BC19313  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-6-7 57 San Joaquin Near Lathrop. On the San Joquin River. Comment
  UCD140196  Carex barbarae G. F. Hrusa 1992-3-4 9100 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC19311  Carex barbarae J. W. Congdon 1894-3-31 s.n. San Joaquin Lockeford. 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
  UC1100423  Carex comosa Herbert L. Mason 1928-9-30 4957 San Joaquin near Holt; San Joaquin Delta Comment
  POM147797  Carex densa E. E. Stanford 1927-5-28 445 San Joaquin Calaveras River bottom, near Stockton. Comment
  UCD140755  Carex praegracilis G. F. Hrusa; S. A. Wagner 1992-3-4 9096 San Joaquin Caswell Memorial State Park. Comment
  UCD140756  Carex praegracilis G. F. Hrusa; S. A. Wagner 1992-4-22 9255 San Joaquin Caswell Memorial State Park. 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
  CDA6946  Carthamus creticus T. C. Fuller 1960-5-17 4333 San Joaquin South of Highway 4, 1.4 miles east of Jack Tone Road, 8.7 miles east of Stockton. 0 Comment
  JEPS44113  Carthamus creticus J. A. Sanford 1914-8-1 San Joaquin Farmington Comment
  UC1278130  Carthamus creticus P. F. Knowles 1954-8-28 San Joaquin e of, Farmington Road Stockton Comment
  UCD129935  Carthamus creticus P. F. Knowles 1954-8-28 s.n. San Joaquin southside of Farmington Road, junction Hollenbeck Road, 1.3 miles east of Jacktone Road, east of Stockton. Comment
  CAS-BOT-BC281891  Carthamus lanatus T. C. Fuller 1960-5-17 4333 San Joaquin Adjacent to Ladino clover pasture, S/Highway 4, 1.4 miles E/Jacktone Rd, 8.7 mile E/Stockton Comment
  CAS-BOT-BC281928  Carthamus tinctorius W. E. Keithly 1930-7-24 s.n. San Joaquin Bethany Comment
  JEPS3793  Castilleja attenuata W. L. Jepson 1929-4-28 15193 San Joaquin Lockeford 30 Comment
  CDA14401  Castilleja campestris subsp. campestris J. B. Gianelli 1997-4-2 s.n. San Joaquin Angraves Estate, northeast corner of Liberty and Dustin roads, Acampo. 0 Comment
  UC124320  Castilleja exserta C. F. Baker 1903-4-26 2784 San Joaquin Bethany Comment
  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
  JEPS10398  Castilleja exserta subsp. exserta C. F. Baker 1903-4-26 San Joaquin 6.5 mi nw Tracy (Bethany, S.P. Railway station); Bethany Comment
  UC596391  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-3-19 2867 San Joaquin 1 mi n Corral Hollow (near Alameda County line); n of Corral Hollow Comment
  UC765076  Caulanthus coulteri var. lemmonii R. F. Hoover 1938-4-9 3024 San Joaquin near Alameda Co. line 1 mi n Corral Hollow; n of Corral Hollow Comment
  UC855876  Caulanthus coulteri var. lemmonii Lewis S. Rose 1938-4-18 38152 San Joaquin Hospital Canyon 152 Comment
  CAS-BOT-BC41067  Caulanthus flavescens Alice Eastwood; John Thomas Howell 1938-4-18 5091 San Joaquin Hospital Canyon. Comment
  CHSC67902  Caulanthus flavescens James D. Jokerst 1989-3-30 3075 San Joaquin Lawrence Livermore Laboratory, Site 300. Comment
  CHSC67905  Caulanthus lasiophyllus James D. Jokerst 1989-3-30 3076 A San Joaquin Lawrence Livermore Laboratory, Site 300. Comment
  UCD114694  Caulanthus lasiophyllus Terri Williamson 1990-4-28 13 San Joaquin Buena Vista Road, 1 mile E of Highway 88. 121 Comment
  UC1070699  Ceanothus integerrimus R. D. Roseberry 1935-5-13 157 San Joaquin Mokelumne River 60 Comment
  CAS-BOT-BC281963  Centaurea benedicta John Thomas Howell 1930-6-29 5330 San Joaquin At Nile Garden Comment
  JEPS37534  Centaurea benedicta W. L. Jepson 1896-6-27 San Joaquin near Lathrop (plains of the lower San Joaquin); lower San Joaquin River Comment
  UCD129968  Centaurea benedicta W. A. Harvey 1969-4-9 s. n. San Joaquin Lucchesi Ranch, southwest corner of Jahant and Peltier roads, ca. 2 miles west of Clements. Comment
  UC30925  Centaurea melitensis J. A. Sanford 1891-1 26 San Joaquin Waverly Comment
  UCR253793  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20057 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 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-BC284484  Centaurea solstitialis T. C. Fuller 1960-5-17 4332 San Joaquin Fencerow adjacent to Ladino clover pasture, S/Hwy 4, 1.4 mi. E/Jacktone Road, 8.7 mi. E/Stockton Comment
  SEINET11262194  Centaurea solstitialis Virginia Alexson 1964-6-13 37 San Joaquin Edge of Stockton City limits.; 0 Comment
  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
  UC35449  Centaurium muehlenbergii J. A. Sanford May 1878 80 San Joaquin Stockton Comment
  CDA38371  Centaurium tenuiflorum P. S. Jorgensen 1963-6-26 s.n. San Joaquin Escalon dist. 0 Comment
  UC35447  Centaurium venustum J. A. Sanford 43 San Joaquin West Stockton Comment
  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-BC288649  Centromadia fitchii Mrs. E. C. Sutliffe 1927-9-4 s.n. San Joaquin Lodi Comment
  CAS-BOT-BC288651  Centromadia fitchii David D. Keck 1933-10-28 2571 San Joaquin Farmington Rd 0.7 mile from intersection with US 99, ca 3 miles E of Stockton Comment
  UC30948  Centromadia fitchii J. A. Sanford 1890-1-1 20 San Joaquin Waverly Comment
  UC532118  Centromadia fitchii David D. Keck 1933-10-28 2571 San Joaquin ca. 3 mi E of Stockton (Farmington Road, 0.7 mi from int with US 99) Comment
  UCD77499  Centromadia fitchii Robert E. Preston 2004-7-30 2276 San Joaquin Ca. 13.4 mi NE of Lodi. 49 Comment
  CAS-BOT-BC288644  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  CAS-BOT-BC288645  Centromadia fitchii David D. Keck 1931-10-18 1322 San Joaquin Escalon 38 Comment
  CAS-BOT-BC288653  Centromadia fitchii David D. Keck 1933-10-28 2585 San Joaquin 11.3 miles N of Stockton Comment
  SJSU5865  Centromadia fitchii M. E. Myers 1955-7-30 91 San Joaquin 12 miles E of Lodi 182 Comment
  CAS-BOT-BC271512  Centromadia parryi subsp. rudis H. M. Hall 1923-10-10 11913 San Joaquin South of Stockton a few miles Comment
  CAS-BOT-BC271515  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2587 San Joaquin Thornton Road, 16 mi. N. of Stockton Comment
  CAS-BOT-BC271519  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  CAS-BOT-BC271520  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2572 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  UC134550  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin railroad track near Stockton Comment
  UC134634  Centromadia parryi subsp. rudis Katharine Brandegee 1907-10-2 San Joaquin near Stockton (railroad track) Comment
  UCD130205  Centromadia pungens O. V. Patton 1930-5-15 2155 San Joaquin Exact location unknown. Comment
  CAS-BOT-BC279290  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2582 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-BC279294  Centromadia pungens subsp. pungens John Thomas Howell 1930-6-28 5327 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC279301  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2579 San Joaquin 6.3 mi. N. of Stockton on Thornton Road Comment
  CAS-BOT-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
  JEPS38171  Centromadia pungens subsp. pungens W. L. Jepson 1896-7-17 San Joaquin near Stockton; Valley of the San Joaquin 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-BC222953  Cephalanthus occidentalis Volney Rattan 1881-7-2 s.n. San Joaquin Mokelumne River Comment
  CAS-BOT-BC222956  Cephalanthus occidentalis E. E. Stanford 1930-8-1 1873 San Joaquin In San Joaquin Delta. Jones Tract Comment
  CAS-BOT-BC222958  Cephalanthus occidentalis John Thomas Howell 1929-9-21 4419 San Joaquin Island Road between Brentwood and Stockton, near Holt Comment
  CAS-BOT-BC222962  Cephalanthus occidentalis E. E. Stanford 1926-10-28 93 San Joaquin Near Stockton Comment
  CAS-BOT-BC222964  Cephalanthus occidentalis Brian Atwater 1978-8-24 BA- 107 San Joaquin Between Rindge Tract and Wright Tract Comment
  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
  UCD121535  Cephalanthus occidentalis G. F. Hrusa 1992-8-26 9539 San Joaquin Hidden Lake. Caswell Memorial State Park. Comment
  JEPS12457  Cephalanthus occidentalis var. californicus W. L. Jepson 1913-11-22 5688 San Joaquin Middle River Comment
  UC580096  Cephalanthus occidentalis var. californicus Ira L. Wiggins 1934-10-25 6984 San Joaquin 1 mi w San Joaquin River Comment
  UCR233211  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2010-4-7 15832 A San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  UC8263  Cerastium glomeratum J. A. Sanford 1890-1 412 San Joaquin Waverly Comment
  UCD98049  Cerastium glomeratum G. F. Hrusa; S. A. Wagner 1992-4-22 9282 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC400159  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  CAS-BOT-BC400161  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, south-west of Holt Comment
  HSC24640  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin Trapper Slough, Robert's Island, SW of Holt Comment
  UC629714  Ceratophyllum demersum H. L. Mason 1938-6-12 11851 San Joaquin sw Holt (Robert's Island, Trapper Slough); Trapper Slough, Robert's Island Comment
  UC635511  Ceratophyllum demersum H. L. Mason 1929-9-9 5421 San Joaquin Holt Comment
  CDA4780  Chamaesyce nutans R. E. DeVol 1959-9-4 San Joaquin West side Pearson Road, 1/2 mile south of Armstrong Road, Lodi. 0 Comment
  JEPS91379  Chamaesyce ocellata subsp. ocellata Dean Wm. Taylor with Glenn Clifton 1991-6-10 11211 San Joaquin vernal pools along Goose Creek, on stony alluvial terraces on S boundary Section 27 70 Comment
  CDA39030  Chamaesyce serpillifolia subsp. serpillifolia D. G. Kelch 2011-10-4 11 .834 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UC136729  Chamaesyce serpyllifolia Katharine Brandegee Sept. 1907 San Joaquin Lathrop Comment
  UC173121  Chamaesyce serpyllifolia Katharine Brandegee 1914-9-27 San Joaquin near Lathrop (San Joaquin Bridge) Comment
  UC765677  Cheilanthes covillei R. F. Hoover 1946-4-13 6076 San Joaquin near lower end Corral Hollow Comment
  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
  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
  UCD97771  Chenopodium album G. F. Hrusa 1992-8-26 9550 San Joaquin Caswell Memorial State Park, near the western boundary. Comment
  UC60920  Chenopodium ambrosioides N. K. Berg 1903-11-25 San Joaquin Rough and Ready Isl. Comment
  UC66827  Chenopodium ambrosioides N. K. Berg Dec. 1903 San Joaquin Rough and Ready Island Stockton Comment
  RSA18399  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 507 San Joaquin 3 miles W of Manteca. Comment
  RSA64756  Chenopodium ambrosioides var. ambrosioides E. E. Stanford, F. W. Peirson 1930-10-24 9995 San Joaquin Stockton. Comment
  RSA18394  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1927-6-23 512 San Joaquin 1 mile east of Rippon, Stanislaus River Bottom Comment
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Sep 17 2012
  RSA296423  Chenopodium ambrosioides var. ambrosioides W. L. Jepson 1913-11-22 5694 San Joaquin In barley and wheat fields. Middle River, San Joaquin Delta. Comment
  CDA3048  Chenopodium ambrosioides var. chilense Margaret Bellue 1938-6-23 San Joaquin Near Manteca. 0 Comment
  RSA478466  Chenopodium botrys R. Reynolds 1927-9-27 39 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
  CDA3068  Chenopodium murale J. B. Gianelli 1975-7-11 San Joaquin 1642 Paloma Avenue, Stockton. 0 Comment
  SEINET5643384  Chenopodium strictum var. glaucophyllum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13091 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road (Clements 7.5 Q).; 0 37 Comment
  UCD59680  Chloris virgata Beecher Crampton 1957-8-23 4590 San Joaquin Along US Hwy. 99 freeway, 3 miles S of Stockton. 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
  POM352125  Cichorium intybus E. E. Stanford 1926-10-28 88 San Joaquin Near Stockton Comment
  CAS-BOT-BC105785  Cirsium crassicaule John Thomas Howell 1933-7-20 11447 San Joaquin 2 miles nw of Lathrop Bridge on San Joaquin River Comment
  UC175998  Cirsium crassicaule W. N. Suksdorf 1913-6-4 111 San Joaquin Lathrop Comment
  UC91564  Cirsium crassicaule J. W. Congdon 1896-5-17 San Joaquin Lathrop Comment
  CAS-BOT-BC280114  Cirsium occidentale var. venustum John Thomas Howell 1953-4-26 28933 San Joaquin Corral Hollow Comment
  CAS-BOT-BC285847  Cirsium vulgare John Thomas Howell 1930-9-28 5517 San Joaquin Holt Comment
  UC64861  Cirsium vulgare N. K. Berg 1903-12-3 San Joaquin Rough and Ready Island Comment
  UC91841  Cirsium vulgare K. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  POM352187  Cirsium vulgare E. E. Stanford 1927-9-26 714 San Joaquin Stockton, near Louis Park Comment
  CDA6711  Citrullus lanatus var. citroides T. C. Fuller 1964-11-6 12815 San Joaquin 2.5 miles northwest of Holt. 0 Comment
  UCD13186  Citrus sinensis A. Dalla 1976-4-10 5 San Joaquin California. San Joaquin Co. Near Stockton. Hildreth Rw, 1/4 mi S. of Ashley Lane. Comment
  RSA41124  Clarkia affinis Robert F. Hoover 1938-5-7 3356 San Joaquin 1 mile N of Corral Hollow near Alameda County line 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
  CAS-BOT-BC172567  Clarkia purpurea subsp. purpurea L. S. Rose 1961-5-23 47875 San Joaquin Between Jenny Lind and Bellotta Comment
  CDA19468  Clarkia purpurea subsp. quadrivulnera M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 206 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd, ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  RSA126146  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1952-4-22 28309 San Joaquin Corral Hollow [Alameda Co.?] Comment
  UCD96870  Clarkia purpurea subsp. quadrivulnera Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6924 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Along main road through property, going south along ridgetop. Ridge east of Arnsinckia grandiflora canyon. Comment
  SEINET7042494  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  CAS-BOT-BC165269  Clarkia speciosa subsp. nitens Volney Rattan 1885-6-5 s.n. San Joaquin Live Oaks, Mokelumne Riv. Comment
  CAS-BOT-BC165271  Clarkia speciosa subsp. nitens Volney Rattan 1885-6-1 s.n. San Joaquin Mokelumne Riv. Comment
  CAS-BOT-BC165403  Clarkia tembloriensis Mrs. A. R. Arnold 1922-5-1 s.n. San Joaquin Corral Hollow near Tracy Comment
  RSA0059953  Clarkia tembloriensis subsp. tembloriensis Robert F. Hoover 1938-5-7 3358 San Joaquin 1 mile N of Corral Hollow near Alameda County line Comment
  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
  CAS-BOT-BC233846  Claytonia parviflora subsp. parviflora E. E. Stanford 1927-3-11 106 San Joaquin Stockton Comment
  POM147724  Claytonia perfoliata E. E. Stanford 1928-3-2 785 San Joaquin Stockton. Comment
  RSA21262  Claytonia perfoliata C. B. Wolf 1937-3-31 8376 San Joaquin San Joaquin Valley, 3 Mi. E. of Tracy at junction with Vernalis Road. 25 Comment
  CAS-BOT-BC440051  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-3-26 10888 San Joaquin Corral Hollow Comment
  JEPS78660  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-2-28 1750 San Joaquin 18 mi sw Lockeford (between Waterloo and Lockeford) Comment
  UC7894  Claytonia perfoliata subsp. perfoliata F. W. Gunnison May 1896 San Joaquin Linden Comment
  CAS-BOT-BC92557  Clematis ligusticifolia E. E. Stanford 1926-10-14 59 San Joaquin Near Stockton. Comment
  UCD95589  Clematis ligusticifolia G. F. Hrusa 1992-8-25 9541 San Joaquin Caswell Memorial State Park. Comment
  POM179709  Cnicus benedictus J. T. Howell 1930-6-29 5330 San Joaquin Nile Garden Comment
  UCR136763  Collinsia bartsiifolia E. E. Stanford 1930-4-12 1299 San Joaquin San Joaquin Valley, [c. 5 miles NW of Escalon] Mariposa Road near Cometa [Dodds] Road 27 Comment
  UC672484  Collinsia bartsiifolia var. bartsiifolia Joseph Dixon 1928-3-31 96 San Joaquin Manteca 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
  POM196031  Collinsia bartsiifolia var. bartsiifolia Frances Staples 1929-4-14 s.n. San Joaquin Near Clements. Comment
  UC26561  Collinsia heterophylla F. W. Gunnison May 1896 San Joaquin Linden Comment
  UC672468  Collinsia sparsiflora var. collina H. L. Mason 1929-4-7 5166 San Joaquin 10 mi e of Escalon Comment
  SEINET3407242 Image available Convolvulus arvensis P. O. Schallert 1945-5-10 s.n. San Joaquin Woody post near Stockton, California, San Joaquin County. Comment
  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
  RSA170312  Coreopsis atkinsoniana T. C. Fuller 1963-7-26 11064 San Joaquin Between fence and roadside ditch, east side of road to Bellota, 1 mile N of Escalon Comment
  JEPS27276  Coreopsis calliopsidea Rimo Bacigalupi 1961-2-27 7546 San Joaquin in canyon to n Corral Hollow (just e of Alameda-San Joaquin County line just below and s of drop-tower installation of Atomic Energy Commission, on w-facing hillside); Midway USGS Quadrangle 243 Comment
  UC1211930  Coreopsis calliopsidea John H. Weiler and A. P. Nelson 1961-2-27 698 San Joaquin on a hill opposite the drop tower on Atomic Energy Commission territory at Corral Hollow Comment
  CAS-BOT-BC287165  Coreopsis stillmanii Volney Rattan 1877-3-11 s.n. San Joaquin Live Oaks Comment
  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
  CDA7459  Coreopsis tinctoria J. F. Silva, R. E. Skaggs 1966-11-17 San Joaquin 2 miles northeast of Escalon. 0 Comment
  CDA7463  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin East side of road to Bellota, 1 mile north of Escalon. 0 Comment
  UCD131021  Coreopsis tinctoria T. C. Fuller 1963-7-26 11064 San Joaquin east side of road to Bellota, 1 mile north of Escalon. Comment
  RSA397438  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  RSA397439  Cornus californica E. E. Stanford 1930-08 1875 San Joaquin San Joaquin Delta. Jones Tract. Comment
  CAS-BOT-BC210343  Cornus sericea E. E. Stanford 1930-8-1 1875 San Joaquin In San Joaquin Delta. Jones Tract Comment
  JEPS50138  Cornus sericea subsp. sericea W. L. Jepson 1913-11-22 5695 San Joaquin San Joaquin Delta, lower San Joaquin R., Middle R. Comment
  UC61018  Cotula coronopifolia N. K. Berg 1903-11-28 San Joaquin Stockton, Rough and Ready Island Comment
  CAS-BOT-BC427604  Crassula aquatica Brian Atwater 1978-8-22 BA- 61 San Joaquin Between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC427605  Crassula aquatica Brian Atwater 1978-8-24 BA- 103 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  UC11284  Crassula connata var. eremica J. A. Sanford 1890-1 102 San Joaquin French Camp Comment
  OBI64497  Crassula tillaea David J. Keil 2005-3-13 30354 San Joaquin Just W of Amador County line along Calif Rte 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada 82 Comment
  UCD142117  Croton setiger G. F. Hrusa; S. A. Wagner 1992-8-9 9352 San Joaquin Caswell Memorial State Park. Comment
  UCD59934  Crypsis schoenoides Beecher Crampton 1960-8-9 5772 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC190197  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  RSA115549B  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north [of] Farmington, vernal pool Comment
  UCD59959  Crypsis vaginiflora Katharine Brandegee 1907-10-2 s. n. San Joaquin Stockton and French Camp. Comment
  UCD60002  Crypsis vaginiflora Beecher Crampton 1956-7-30 3746 San Joaquin 4.5 miles north of Farmington. Comment
  UCR66619  Crypsis vaginiflora E. E. Stanford 1929-11-1 1183 San Joaquin San Joaquin Valley, Near Stockton Comment
  POM64406  Cryptantha C. F. Baker 1903-4-27 2787 San Joaquin Bethany Comment
  JEPS104878  Cryptantha flaccida Dean W. Taylor 1995-4-13 14816 San Joaquin Hospital Canyon 320 Comment
  SEINET7040050  Cryptantha hooveri A. G. Vestal 1963-5-27 s.n. San Joaquin Stony Adobe about 7.7 miles east of Linder. Valley Springs SW Quad. UTM Zone 10, 676920mE, 4215526mN. Comment
  RSA22133  Cryptantha microstachys J. T. Howell 1938-4-10 13765 San Joaquin Hospital Canyon. Comment
  UC763024  Cryptantha nevadensis R. F. Hoover 1938-4-9 3026 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC857216  Cryptantha nevadensis John Thomas Howell 1938-4-10 13765 San Joaquin Hospital Canyon 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
  SEINET10531496  Cupressus macrocarpa E. E. Stanford 1927-9-23 Stanford 727 San Joaquin Near stockton. Introduced here from coastal region. Comment
  JEPS33286  Cuscuta californica Rimo Bacigalupi, and L. Constance 1962-8-13 8724 San Joaquin just s Lathrop (along Southern Pacific Railway) 5 Comment
  CAS-BOT-BC224411  Cuscuta californica John Thomas Howell 1930-10-11 5552 San Joaquin 5 miles south of Stockton Comment
  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
  UCD54455  Cuscuta californica Ron Kukas 1973-6-14 s.n. San Joaquin Lathrop airport. Comment
  UCD54456  Cuscuta californica Ron Kukas 1973-6-14 s.n. San Joaquin Ca. 4 miles north of Manteca, south of French Camp Road on State Hwy 99. Comment
  CDA33904  Cuscuta campestris Scott Barnes & Will Melehani 2008-8-19 PDR# 1556401 San Joaquin Stockton; 220 East Fulton St. 0 Comment
  UCD144408  Cuscuta campestris G. F. Hrusa; M. Rejmanek, M. Tu 1998-10-14 14888 San Joaquin Caswell Memorial State Park. At west terminus of Fence Line Trail. 20 Comment
  UCD54463  Cuscuta campestris Ron Kukas 1973-7-25 s.n. San Joaquin Frontage Rd. along State Hwy 99. Comment
  UCD54472  Cuscuta campestris Franz R. Kegel 1974-6-19 s.n. San Joaquin Roberts Island. Comment
  RSA135396  Cuscuta ceanothi Volney Rattan 1881-09 s.n. San Joaquin Mokelumne River. Comment
  SEINET3840919  Cuscuta indecora Dean G. Kelch, Jim Allan 2006-7-5 PDR 1344893 San Joaquin Stockton, Medical Arts Building, 6529 Inglewood Avenue, zip code: 95206 Comment
  UCR243145  Cuscuta indecora Mick Canevari 1986-1 s.n. San Joaquin Tracy 40 Comment
  UCD54415  Cuscuta indecora var. indecora Mick Canevari 1986-9-1 s.n. San Joaquin Tracy. Comment
  UCD54416  Cuscuta indecora var. indecora Mick Canevari 1986-6-16 s.n. San Joaquin Tracy. Comment
  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
  CDA40500  Cynoglossum grande T. C. Fuller 1971-4-22 19844 San Joaquin North slope of Mt. Bordman. 0 Comment
  UCR123622  Cyperus Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  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-BC114449  Cyperus eragrostis N. K. Berg 1903-1-1 s.n. San Joaquin Rough and Rendy Id. Stockton Comment
  UC698537  Cyperus eragrostis H. L. Mason 1928-9-30 4962 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  CAS-BOT-BC114287  Cyperus esculentus LeRoy Abrams 1917-9-14 6730 San Joaquin 3 mi NW of Stockton. In sand, Calaveras River. Comment
  CDA2588  Cyperus esculentus M. Huffaker 1968-8-19 San Joaquin Tracy district. 0 Comment
  CHSC96357  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Abundant in cornfield, Thorton-Walnut Grove Rd, 0.1 mi E of Mokelumne River Bridge, Sherman Island, ca 4 mi W of Thorton. Comment
  UCD54529  Cyperus esculentus Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2710 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  HSC103373  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton-Walnut Grove Rd., 0.1 mi. E of Mokelumne River Bridge, Sherman Island, ~ 4 mi. W of Thorton Comment
  RSA92353  Cyperus esculentus Beecher Crampton 1954-10-19 2290 San Joaquin 0.5 mile north of Thronton Comment
  SEINET13762740 Image available Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin 4 mi. W. of Thornton Comment
  UCD141072  Cyperus esculentus T. C. Fuller 1961-9-13 6993 San Joaquin Thorton-Walnut Grove Road, 0.1 mile east of Mokelumne River Bridge, Sherman Island, ca. 4 miles west of Thorton. Comment
  UCD141082  Cyperus esculentus Roote 1920-12-1 s.n. San Joaquin San Joaquin Valley: MacDonald Island, near Stockton. Comment
  UCD32802  Cyperus esculentus Beecher Crampton 1954-10-18 2290 San Joaquin 0.5 miles north of Thornton. Comment
  JEPS75003  Cyperus fuscus L. R. Heckard and P. Rubtzoff 1971-9-15 2811 San Joaquin ca. 4 air mi. s.w. Ripon (Caswell State Park, Stanislaus River); Caswell State Park, Stanislaus River Comment
  UCD140999  Cyperus fuscus G. F. Hrusa; S. A. Wagner 1992-8-9 9338 San Joaquin Caswell Memorial State Park. On south side of river in the E part of park. Comment
  CDA38963  Cyperus niger var. capitatus M. Switzerberg 1958-9-24 s.n. San Joaquin BM 18.2 Highway 120 0 Comment
  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
  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
  SEINET3412871 Image available Cyperus virens P. O. Schallert 1945-5-20 C 275 San Joaquin Near Stockton. Comment
  UC101982  Cypselea humifusa Katharine Brandegee 1892-9-9 San Joaquin San Joaquin Bridge near Lathrop; San Joaquin Bridge Comment
  UC465729  Cypselea humifusa Harriet A. Walker 1907-9-8 912 San Joaquin Lathrop beyond drawbridge. Comment
  UCD39758  Cypselea humifusa Beecher Crampton 1960-8-9 5767 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  CAS-BOT-BC435183  Cypselea humifusa J. W. Stacey 1922-10-8 s.n. San Joaquin Union Island Comment
  UCD96973  Cypselea humifusa Rimo Bacigalupi; L. Constance 1962-8-13 8713 San Joaquin San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of site of San Joaquin City. Comment
  CAS-BOT-BC70548  Cystopteris fragilis Genevieve Prlain 1976-5-2 s.n. San Joaquin north-facing bluff, county park on Mokelumne River below Camanche Dam 27 Comment
  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
  UC1543038  Damasonium californicum Donald G. Nelson 1939-6-9 608 San Joaquin 9 mi. e. on Austin Rd. Stockton (ca. 1 1/2 mi. s. of R.R.) Comment
  UCR62330  Damasonium californicum L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  CDA36821  Datura ferox Ramona Robison 2011-11-11 San Joaquin Caswell Memorial State Park. 0 Comment
  UCD126524  Datura stramonium G. F. Hrusa; S. A. Wagner 1992-8-9 9369 San Joaquin Caswell Memorial State Park. Comment
  JEPS12298  Datura wrightii W. L. Jepson 1918-7-7 7718 San Joaquin Manteca Comment
  RSA605646  Datura wrightii Louis C. Wheeler 1952-9-30 6999 San Joaquin At mouth of Corral Hollow Creek.. Comment
  UCD126631  Datura wrightii G. F. Hrusa; S. A. Wagner 1992-7-8 9137 San Joaquin Caswell Memorial State Park. Comment
  UCR232680  Datura wrightii George K. Helmkamp, E. A. Helmkamp 2011-10-15 18439 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington 41 Comment
  CAS-BOT-BC299939  Deinandra kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R. 7 miles east of Manteca 23 Comment
  CAS-BOT-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-BC299949  Deinandra kelloggii Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  JEPS12606  Deinandra kelloggii W. L. Jepson 1896-6-27 San Joaquin 5.5 mi e and slightly n Manteca (Atlanta) Comment
  JEPS12702  Deinandra kelloggii W. L. Jepson 1896-7-17 San Joaquin near Stockton Comment
  CAS-BOT-BC299942  Deinandra kelloggii David D. Keck 1933-10-28 2584 San Joaquin 11.3 mi. N. of Stockton Comment
  CAS-BOT-BC299945  Deinandra kelloggii M. K. Curran 1885-5-30 s.n. San Joaquin San Joaquin Comment
  UC618416  Delphinium californicum subsp. interius Alice Eastwood and John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC26761  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC33205  Delphinium californicum var. interius Alice Eastwood; John Thomas Howell 1938-5-24 5796 San Joaquin Hospital Canyon Comment
  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
  SEINET4465018 Image available Delphinium californicum var. interius A. Eastwood, J. T. Howell 1938-1 5796 San Joaquin Hospital Canyon Comment
  LA38161  Delphinium gypsophilum Lewis; Carl Epling 452 San Joaquin 1 mi. E of Midway (W of Tracy) Comment
  SEINET3101791  Delphinium parishii subsp. parishii Ellen Dean, Clare Loughran, Mary Shea, Wilde Legard 2011-4-22 6956 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. 289 Comment
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May 14 2015
  UCD96919  Delphinium parishii subsp. parishii Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6956 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
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May 14 2015
  UC1601418  Delphinium patens J. A. Sanford 1890-1 424 San Joaquin Comment
  UC9226  Delphinium recurvatum J. A. Sanford 1890-1 90 San Joaquin Stockton Comment
  LA38343  Delphinium variegatum Lewis; Epling 608 San Joaquin Tesla--Corral Hollow Rd., 17.3 mi. W of junction with U.S. 50, W of Tracy Comment
  LA38655  Delphinium variegatum H. Lewis; Carl Epling 1946-5-6 607 San Joaquin Tesla-Corral Hollow Rd, 17.3 mi. W of junction with US Hwy. 50; W. of Tracy Comment
  CAS-BOT-BC192632  Deschampsia danthonioides E. E. Stanford 1927-4-12 151 San Joaquin Near Stockton Comment
  UC912580  Deschampsia danthonioides Herbert L. Mason 1928-5-3 4444 San Joaquin 4 mi. n. Clememts Comment
  UC762963  Descurainia pinnata Robert F. Hoover 1935-3-1 241 San Joaquin 5 mi sw Ripon Comment
  CAS-BOT-BC43132  Descurainia pinnata subsp. brachycarpa E. E. Stanford 1928-3-10 797 San Joaquin Manteca. Comment
  UC1005622  Dichelostemma capitatum Frank W. Gould 1940-3-16 881 San Joaquin opposite Castle Rock; Mt. Hamilton Range, Corral Hollow 198 Comment
  UCD139240  Dichelostemma capitatum Craig P. Martz 1982-3-10 20 San Joaquin North side of State route 88, 0.5 mile south of San Joaquin county line. 82 Comment
  HSC3076  Dichelostemma capitatum subsp. capitatum D. A. Shally 1965-4-10 6 San Joaquin 0.25 mi. W of Oak Grove Resort, Hwy. 26, Linden Rd. Comment
  RSA333571  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-10 20 San Joaquin N side of State Route 88, 0.5 mile S of Jan Joqauin County line. 270 Comment
  JEPS61804  Dichelostemma multiflorum W. L. Jepson 1922-4-2 9572 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  SEINET10533941  Dichelostemma pulchellum Frank W. Gould 1940-3-16 Gould 881 San Joaquin Sandy ridge opposite Castle Rock, Corral Hollow, Mt. Hamilton Range; associated with Gilia tricolor, Lotus humistratus, Thysanocarpus elegans, and Athysanus pusillus; 650 feet. Comment
  RSA128802  Digitaria sanguinalis P. H. Raven 1951-6-27 3101 San Joaquin Tracy to Monteca Comment
  UCD64130  Digitaria sanguinalis Morris Halperin 1930-7-15 San Joaquin San Joaquin County Hospital, French Camp. Comment
  UCR253497  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20079 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  CAS-BOT-BC151962  Diplacus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC151964  Diplacus douglasii Volney Rattan 1887-3-17 274 San Joaquin Live Oaks & Mokelumne River Comment
  SEINET188373  Diplacus tricolor C. L. Hitchcock 1940-1 6367 San Joaquin 3 mi S of Galt 16 Comment
  CAS-BOT-BC151365  Diplacus tricolor W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton Comment
  CAS-BOT-BC151369  Diplacus tricolor D. K. Gillespie; J. W. Gillespie 1930-4-24 9225 San Joaquin 4 miles south of Galt Comment
  CDA31692  Distichlis spicata T. C. Fuller 1958-9-19 1251 -58 San Joaquin Stockton 0 Comment
  CDA31693  Distichlis spicata T. C. Fuller 1958-9-19 1250 -58 San Joaquin Stockton 0 Comment
  UC73788  Distichlis spicata Mr. Sanford San Joaquin Stockton Comment
  UCD64194  Distichlis spicata B. A. Madson 1928-11-22 San Joaquin Stockton. Comment
  UCD64484  Distichlis spicata Katharine Brandegee Date Unknown San Joaquin Lathrop? Comment
  CDA39015  Dittrichia graveolens D. G. Kelch 2011-10-4 11 .832 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. 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
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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
  UC22403  Dodecatheon clevelandii subsp. patulum J. A. Sanford 1890-1 61 San Joaquin W Stockton Comment
  RSA654063  Downingia Beecher Crampton 1966-5-3 7688 San Joaquin 7 3/4 miles NNE of Lodi, intersection of Liberty and Bruella roads. Comment
  SEINET7072951  Downingia bella A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at the junction with Route 26. UTM Zone 10, 675884mE, 4214998mN. Coordinate datum: NAD27.). Comment
  UC764546  Downingia bella R. F. Hoover 1935-5-12 563 San Joaquin sw of Modesto (along San Joaquin River) Comment
  JEPS12801  Downingia bicornuta var. picta Rimo Bacigalupi with G. T. Robbins 1955-5-5 5003 San Joaquin 1.5 mi s Peters (along road to Farmington, near Peters Dump) 33 Comment
  UC765458  Downingia bicornuta var. picta R. F. Hoover 1937-6-10 2400 San Joaquin 2 mi ne Clements Comment
  UC903255  Downingia bicornuta var. picta Ethel Crum 1932-5-1 1421 San Joaquin 2 mi ne Lockeford Comment
  CDA42334  Downingia bicornuta var. picta T. C. Fuller 1962-5-1 8339 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  JEPS103657  Downingia bicornuta var. picta Lisa Schultheis 1995-5-24 177 -95 San Joaquin SE of Lockeford. Ditch along Kettleman Lane, between Tully and Linn Roads Comment
  UCR62339  Downingia elegans L. F. LaPre 1990-5-8 s.n. San Joaquin Borden Ranch, Mackville Rd, 1-2 mi north of Liberty Rd; c. 7 miles north of Clements 70 Comment
  HSC3846  Downingia elegans Reo Jensen Apr 1951 San Joaquin Stockton Airport. Comment
  UCD55045  Downingia insignis F. Chisaki; S. G. Smith and Peter M. Ray 1951-4-14 1981 San Joaquin Highway #4; ca. 3 miles east of Stockton. 7 Comment
  RSA152463  Downingia insignis Rimo Bacigalupi, Alex D. Hawkes 1951-4-21 3256 San Joaquin Just E of Stockton's city limits, next to back yard of a dwelling, along State Hwy 4. Comment
  UCSB9180  Downingia insignis Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Just east of Stockton's city limits, next to the back yard of a dwelling, along State Highway No. 4 Comment
  RSA28006  Downingia ornatissima C. L. Hitchcock 1940-4-29 6304 San Joaquin 3 miles south of Galt. 16 Comment
  UCR51749  Downingia ornatissima E. E. Stanford 1929-4-7 1029 San Joaquin Peters Comment
  UCSB9182  Downingia ornatissima Bacigalupi, Rimo; Hawkes, Alex 1951-4-21 San Joaquin Along State Highway 4, 2 miles east of Stockton Comment
  POM312381  Downingia ornatissima Francia Chisaki, S. Galen Smith 1951-4-14 1987 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. Comment
  UC765628  Downingia ornatissima var. eximia R. F. Hoover 1936-6-8 1289 San Joaquin 2 mi e Escalon Comment
  UC903026  Downingia ornatissima var. eximia Ethel Crum 1932-5-1 1418 San Joaquin 2 mi ne Lockeford Comment
  JEPS21831  Downingia ornatissima var. ornatissima Ina Graham 1958-4-19 47 San Joaquin 3 mi e Clements (0.5 mi n of Route 12, McIntire Road) Comment
  UC1192046  Downingia ornatissima var. ornatissima F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1982 San Joaquin about 3 mi e Stockton (Highway 4) 7 Comment
  UC28988  Downingia pulchella J. A. Sanford 1890-1 155 San Joaquin French Camp Comment
  UC766252  Downingia pulchella R. F. Hoover 1940-4-27 4365 San Joaquin near San Joaquin City (River Road) Comment
  CDA25365  Dudleya cymosa J. B. Gianelli 1977-5-16 San Joaquin Hospital Creek Canyon, Tracy. 0 Comment
  UCD54532  Dysphania ambrosioides Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2713 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  UCD98652  Dysphania ambrosioides P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons ranch. Terminous. Comment
  JEPS22861  Eastwoodia elegans Alice Eastwood and John Thomas Howell 1938-5-24 5791 San Joaquin Hospital Canyon 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
  UC198968  Eastwoodia elegans H. M. Hall and F. M. Essig 1916-6-1 10141 San Joaquin Corral Hollow Mt. Diablo 120 Comment
  SEINET7878122 Image available Eastwoodia elegans Unknown 1938-1 5791 San Joaquin Hospital Canyon Comment
  JEPS110499  Echinochloa colona Robert E. Preston 2004-11-16 2305 San Joaquin Ca. 6.9 mi SW of Stockton, between Middle River and Wing Levee Rd, N of Undine Rd. 2 Comment
  UCR201932  Echinochloa colona George K. Helmkamp, E. A. Helmkamp 2008-10-9 14228 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UC1056241  Echinochloa crus-galli Virginia E. Long September 1930 10 a San Joaquin Holt Comment
  UCD60861  Echinochloa crus-galli P. B. Kennedy 1928-9-30 San Joaquin Delta region, near Holt. Comment
  UCD32937  Echinochloa crus-pavonis Beecher Crampton 1965-7-12 7457 c San Joaquin San Joaquin County, Terminous, Potato Slough. Comment
  UC142470  Echinodorus berteroi Katharine Brandegee Sept. 1907 San Joaquin San Joaquin R. near Lathrop; San Joaquin R. Comment
  UCD130854  Eclipta prostrata G. F. Hrusa 1992-8-26 9527 San Joaquin Caswell Memorial State Park. Comment
  CDA18617  Egeria densa E. Finley 1999-10-3 PDR 1013546 D San Joaquin Channel south of islands in Sacramento--San Joaquin Delta on the Fourteen Mile Slough. 0 Comment
  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
  UC1100127  Egeria densa Herbert L. Mason and Verne Grant 1946-8-21 13061 San Joaquin w of Stockton (on Borden Highway) Comment
  CAS-BOT-BC451502  Egeria densa Ira L. Wiggins 1954-9-9 13124 San Joaquin Along E side of Old River Channel near junction with False River Comment
  SEINET10501601  Egeria densa Herbert L. Mason 1938-8-26 Mason 12075 San Joaquin Trapper Slough, Robert's Island, SW of Holt. Comment
  UCSB27348  Eichhornia crassipes Havlik, Neil 1969-7-27 San Joaquin Trapper Slough, about nine miles west of Stockton 6 Comment
  UCD110437  Elatine ambigua W. A. Harvey; D. E. Bayer 1962-6-27 s.n. San Joaquin Property of Al Sorrenti, ca. 5 miles northeast of Escalon. Comment
  UCD110444  Elatine brachysperma Herbert L. Mason 1930-4-1 5550 a San Joaquin Ten miles east of Stockton. Comment
  POM146164  Eleocharis palustris E. E. Stanford 1927-5-26 434 San Joaquin Stockton, Calaveras River bottom. Comment
  CAS-BOT-BC197328  Eleusine tristachya T. C. Fuller 1967-8-21 16292 San Joaquin Along n. bank of Coyote Creek, n.e. of Collier Rd. & Linn Rd., ca. 2.5 mi. n. of Clements Comment
  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
  LA97814  Eleusine tristachya R. S. Baskett; 1970-10-1 sn San Joaquin on S side of Kingdon rd, 0.5 mi E of Thornton rd, SW 0.25, CA. 5 mi SW of Lodi Comment
  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
  SEINET3928896  Eleusine tristachya R. S. Baskett 1970-10-1 s.n. San Joaquin On south side of Kingdon Road, 1/2 mile east of Thornton Road, about 5 miles southwest of Lodi.; 0 Comment
  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
  UCD61233  Eleusine tristachya T. C. Fuller 1970-8-10 19786 San Joaquin Mickie Grove, 1 mile S of Lodi. Comment
  UCD61260  Eleusine tristachya Mick Canevari 1983-1-11 San Joaquin Lodi area. Comment
  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
  UC632738  Elodea canadensis H. L. Mason 1939-6-9 12104 A San Joaquin about 9 mi se Stockton (at junction of Austin Road and Little John Creek) Comment
  UC652640  Elodea canadensis Ira L. Wiggins 1939-8-31 9323 San Joaquin 2 mi e Manteca (at junction of Jack Road and Highway 120) Comment
  UCD138120  Elodea canadensis G. F. Hrusa; S. A. Wagner 1992-4-22 9309 San Joaquin Caswell Memorial State Park. Comment
  SEINET10831166  Elymus multisetus E. E. Stanford 1930-5-26 Stanford 1523 San Joaquin Harney Lane, roadsides. Comment
  CAS-BOT-BC227443  Epilobium brachycarpum George K. Helmkamp; E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley: along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR142863  Epilobium brachycarpum David D. Keck 1931-10-18 1321 San Joaquin Sacramento Valley, Escalon 38 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
  UCR232686  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18434 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253792  Epilobium brachycarpum George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20058 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 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
  UC125523  Epilobium ciliatum subsp. ciliatum Katharine Brandegee Sept. 1907 San Joaquin near Lathrop; San Joaquin River Comment
  UC1602807  Epilobium ciliatum subsp. ciliatum J. W. Congdon 1903-8-4 San Joaquin Middle River Comment
  CDA19056  Epilobium ciliatum subsp. ciliatum C. Benefield 2000-5-16 s.n. San Joaquin Sacramento Delta; White Slough, E of I-5, S of Hwy 12, bordering King Island. 0 Comment
  UC249619  Epilobium cleistogamum Joseph P. Tracy 1921-5-25 5787 San Joaquin Farmington San Joaquin Valley (bed of dried-up pool) 30 Comment
  UC765022  Epilobium cleistogamum Robert F. Hoover 1935-6-12 644 San Joaquin Farmington San Joaquin Valley (beds of vernal pools) Comment
  SD124844  Epilobium paniculatum A. C. Sanders 1986-9-12 6918 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
  UC764919  Epilobium torreyi R. F. Hoover 1935-6-12 651 San Joaquin Farmington Comment
  UCD135270  Equisetum arvense G. F. Hrusa; S. A. Wagner 1992-4-22 9288 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC56958  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, in Calaveras River bottom Comment
  RSA684652B  Equisetum arvense Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  POM196328  Equisetum laevigatum E. E. Stanford 1928-5-16 1011 San Joaquin Stockton, Calaveras River bottom Comment
  CDA33659  Equisetum telmateia subsp. braunii Rand Medina 2011-4-5 PDR# 1432095 San Joaquin Stockton; Zuckerman Heritage Inc. Guard Road/Corria St. 0 Comment
  JEPS74991  Eragrostis hypnoides L. R. Heckard and P. Rubtzoff 1971-9-15 2809 San Joaquin ca. 4 air mi. s.w. Ripon (Stanislaus R. at Caswell State Park); Caswell State Park, Stanislaus R. Comment
  UC1116689  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin Durham Ferry Road ca 3 mi ne Vernalis (crossing of the San Jaoquin River); San Joaquin River Comment
  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
  UCD63215  Eragrostis hypnoides Beecher Crampton 1960-8-9 5765 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  UCD63382  Eragrostis hypnoides G. F. Hrusa; S. A. Wagner 1992-8-9 9361 San Joaquin San Joaquin Co. Oxbow Lake. Comment
  SEINET11695748  Eragrostis hypnoides Unknown 1960-8-9 5765 San Joaquin 3 mi NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Rd with San Juaquin R Comment
  CAS-BOT-BC204640  Eragrostis mexicana subsp. virescens E. E. Stanford 1926-10-23 78 San Joaquin Stockton 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
  UCD63642  Eragrostis mexicana subsp. virescens Beecher Crampton 1957-8-23 4588 San Joaquin Along US Hwy. 99 freeway, 3 miles S of Stockton. Comment
  UCD63815  Eragrostis mexicana subsp. virescens Beecher Crampton 1962-8-28 6665 San Joaquin 7.4 miles south of Thornton, Thornton Road. Comment
  UCD64101  Eragrostis mexicana subsp. virescens Alan A. Beetle 1946-8-5 4411 San Joaquin 3 miles north of Lockford. Comment
  UCD55325  Eragrostis pectinacea var. miserrima Ellen Dean; Dawn Cunningham 2006-6-26 3167 San Joaquin City of Manteca. South side of Hwy 120, on west side of McKinley Ave. CalTrans right of way. Comment
  UCD65658  Eragrostis pectinacea var. miserrima Beecher Crampton 1955-9-7 3151 San Joaquin 6.4 miles south of Thornton. Comment
  UCD65668  Eragrostis pilosa Beecher Crampton 1956-7-30 3737 San Joaquin eastern city limits of Lockeford. Comment
  CAS-BOT-BC278521  Eragrostis secundiflora E. E. Stanford 1927-3-29 131 San Joaquin Stockton Comment
  POM61829  Eremalche parryi C. F. Baker 1923-4-25 2869 San Joaquin Tracy Comment
  UC763014  Eremalche parryi R. F. Hoover 1938-5-7 3354 San Joaquin 1 mi. n. Corral Hollow (near Alameda Co. line) Comment
  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
  JEPS69091  Eriastrum pluriflorum W. L. Jepson 1896-6-27 15048 San Joaquin on e and w road Lower San Joaquin (river bridge (Mossdale School) to Atlanta) Comment
  CAS-BOT-BC287515  Ericameria linearifolia Peter H. Raven; et al. 1957-3-30 10564 San Joaquin Corral Hollow Comment
  JEPS18265  Ericameria linearifolia Peter H. Raven with Ornduff, Woodcox, and R. and A. Alava 1957-3-30 10564 San Joaquin Corral Hollow Comment
  RSA91787  Ericameria linearifolia E. E. Stanford 1930-4-5 1218 San Joaquin Hospital Canyon. Comment
  UCD131763  Erigeron canadensis G. F. Hrusa; S. A. Wagner 1992-3-4 9102 San Joaquin Caswell Memorial State Park. Comment
  UCR235295  Erigeron canadensis George K. Helmkamp, E. A. Helmkamp 2011-11-21 18475 San Joaquin Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir 53 Comment
  JEPS2573 Image available Erigeron foliosus var. foliosus W. L. Jepson, W. A. Setchell 1896-6-27 San Joaquin Lower San Joaquin Valley Comment
  POM196262  Erigeron philadelphicus E. E. Stanford 1928-5-16 1012 San Joaquin Stockton, Calaveras River bottom Comment
  UCD73466  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD73469  Erigeron sumatrensis M. Evett 2008-9-2 s. n. San Joaquin city of Stockton, 8243 Onyx Ct., extreme SE corner of lot. Comment
  UCD168229  Eriochloa acuminata Mark Jirak 1987-9-10 s.n. San Joaquin east of Collegeville, southwest corner of Sola Road and Mariposa Road [Exact location unknown. Coordinates added by label maker]. Comment
  UCD65697  Eriochloa acuminata Robert E. Preston 2004-8-27 2289 San Joaquin 7.4 mi E of Galt, along Elliot Rd. 27 Comment
  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-BC248546  Eriogonum angulosum Roxana S. Ferris 1938-4-15 9417 San Joaquin Near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  CAS-BOT-BC248548  Eriogonum angulosum Alice Eastwood; John Thomas Howell 1935-4-7 2101 San Joaquin East end of Corral Hollow Comment
  POM248708  Eriogonum angulosum Alice Eastwood, John T. Howell 1938-4-18 5078 San Joaquin Hospital Canyon Comment
  UC101522  Eriogonum angulosum Katharine Brandegee 1907-10-2 San Joaquin along railroad track near Stockton Comment
  CAS-BOT-BC250039  Eriogonum fasciculatum var. polifolium Alice Eastwood; John Thomas Howell 1938-5-24 5792 San Joaquin Hospital Canyon 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
  SEINET12765138  Eriogonum fasciculatum var. polifolium Barbara Ertter 1994-4-23 12451 San Joaquin Lawrence Livermore Laboratory on N side Corral Hollow Road just E of Alameda Co. line, ca 10 air miles SW of Tracy, grassland-covered slopes on Neroli conglomerate; Pit 6 Study Area near Drop Tower, scrub on W side of gulch opposite Carnegie State Vehicular Recreation Area.; 0 Comment
  CAS-BOT-BC250505  Eriogonum gracile Alice Eastwood; John Thomas Howell 1938-5-24 5793 San Joaquin Hospital Canyon Comment
  JEPS56941  Eriogonum gracile F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC161887  Eriogonum gracile Katharine Brandegee Sept. 1907 San Joaquin near Lathrop Comment
  UC768560  Eriogonum gracile R. F. Hoover 1934-10-21 49 San Joaquin near Escalon Comment
  CAS-BOT-BC33646  Eriogonum gracillimum Marcus Eugene Jones 1903-5-18 s.n. San Joaquin Victor 792 Comment
  CAS-BOT-BC259462  Eriogonum luteolum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC259464  Eriogonum luteolum Volney Rattan No date on label s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC259465  Eriogonum luteolum V. Rattan 1880-10-23 s.n. San Joaquin Rattans Ranch, Live Oaks Comment
  JEPS22946  Eriogonum luteolum Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks, Rattan's Ranch Comment
  CAS-BOT-BC261451  Eriogonum nudum var. nudum Mrs. Ella D. Cantelow 1957-7-19 s.n. San Joaquin 3.5 miles west of Manteca Comment
  UC2046133  Eriogonum nudum var. nudum Neal Kramer 2015-8-12 2151 San Joaquin power line access road approx. 1/3 mile SW of Corral Hollow Road Comment
  CAS-BOT-BC269736  Eriogonum nudum var. oblongifolium Volney Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC269737  Eriogonum nudum var. oblongifolium Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC269833  Eriogonum nudum var. pubiflorum Volney Rattan 1881-9-1 s.n. San Joaquin Live Oaks Comment
  JEPS22948  Eriogonum nudum var. pubiflorum Volney Rattan 1880-10-23 San Joaquin Rattan's Ranch Live Oaks, Rattan's Ranch Comment
Read comments
Dec 29 2006
  RSA135358  Eriogonum roseum Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  UC596264  Eriogonum roseum R. F. Hoover 1934-10-21 49 San Joaquin Stanislaus River bottom near Escalon; Stanislaus River Comment
  UC6620  Eriogonum spergulinum var. reddingianum J. A. Sanford 1890-1 San Joaquin Comment
  CAS-BOT-BC301393  Eriophyllum lanatum var. grandiflorum Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  UCR232264  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2011-3-12 17065 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCR242631  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-4-7 15824 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  UCD103034  Erodium botrys Dr. Geo Hart 1936-3-28 s.n. San Joaquin Animal Husbandry Div. San Joaquin Valley. Comment
  POM146119  Erodium brachycarpum E. E. Stanford 1927-3-17 111 San Joaquin Near Stockton. Comment
  UCD103130  Erodium brachycarpum G. F. Hrusa; S. A. Wagner 1992-3-4 9078 San Joaquin Caswell Memorial State Park. Comment
  UC17081  Erodium cicutarium J. A. Sanford 1890-1 112 San Joaquin Waverly Comment
  UC17082  Erodium cicutarium H. P. Fitch 1883-1 131 San Joaquin Stockton Comment
  UC17086  Erodium cicutarium Jos. Burtt Davy 1901-3-3 San Joaquin Lathrop Comment
  UC17096  Erodium cicutarium F. W. Gunnison May 1896 San Joaquin Linden Comment
  POM146118  Erodium moschatum E. E. Stanford 1926-10-26 83 San Joaquin Stockton. Comment
  POM196271  Erodium moschatum C. R. Quick 1929-2-3 s.n. San Joaquin Campus, Stockton. Comment
  UCR232283  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17064 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  UCD103258  Erodium moschatum G. F. Hrusa; S. A. Wagner 1992-3-4 9086 San Joaquin Caswell Memorial State Park. Within the campgrounds and picnic areas. Comment
  UC1122953  Eryngium castrense R. D. Roseberry 1935-5-16 180 San Joaquin 4 mi. n.w. Milton (Plot No. 133); Jackson Quad. 121 Comment
  UCD77714  Eryngium castrense Robert E. Preston 2004-7-9 2270 San Joaquin Ca. 7.7 mi E of Lockeford. 85 Comment
  RSA26761  Eryngium castrense Roxana S. Ferris 1940-6-1 9843 San Joaquin Slough about 3 miles west of Lockford on Stockton-Lockford road. Comment
  RSA290416  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin Ca. 0.3 mile west of Stanislaus County line on Funk Road, San Joaquin Valley Comment
  UC1487256  Eryngium castrense Yusuf Sheikh 1972-5-25 534 San Joaquin 0.3 mi. w. of Stanislaus Co. line on Funk Rd. Comment
  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
  JEPS15975  Eryngium racemosum Robert F. Hoover 1935-8-3 706 San Joaquin 5 mi. s.w. Ripon 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
  UCD77701  Eryngium vaseyi var. vallicola Robert E. Preston 2000-7-31 1424 San Joaquin 3.2 mi e of Farmington, along Hwy 4, 40 Comment
  CAS-BOT-BC54448  Erysimum capitatum H. L. Mason 1932-3-19 6820 San Joaquin Two miles east of Midway between Mountain House and Tracy. Comment
  CAS-BOT-BC54449  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
  CAS-BOT-BC54451  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-4-18 5086 San Joaquin Hospital Canyon. Comment
  UC673521  Erysimum capitatum Herbert L. Mason 1932-3-19 6826 San Joaquin two mi e Midway Comment
  UC762923  Erysimum capitatum R. F. Hoover 1938-4-10 3062 San Joaquin 1 mi e Midway Comment
  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
  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-BC403523  Eschscholzia californica Brandegee 1889-5-1 O San Joaquin Tracy Comment
  CAS-BOT-BC403526  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  CAS-BOT-BC403527  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  JEPS51765  Eschscholzia californica Audrey Lambourne 1916-4-2 San Joaquin near Stockton Comment
  UC144804  Eschscholzia californica Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  UC765987  Eschscholzia californica R. F. Hoover 1937-4-3 1738 San Joaquin Corral Hollow; lower end Comment
  UC766001  Eschscholzia californica Robert F. Hoover 1935-3-1 255 San Joaquin Vernalis Comment
  UC85499  Eschscholzia californica C. F. Baker 1903-4-25 2906 San Joaquin Tracy Comment
  UCR242789  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15829 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  POM196284  Eschscholzia californica var. peninsularis E. E. Stanford 1928-3-10 799 San Joaquin Manteca. Comment
  RSA22047  Eschscholzia californica var. peninsularis J. T. Howell 1938-4-10 13759 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC419476  Eschscholzia lobbii Volney Rattan 1885-3-20 s.n. San Joaquin Live Oaks Comment
  RSA135434  Eschscholzia lobbii Volney Rattan 1886-3-18 s.n. San Joaquin Live Oaks Comment
  UCD95377  Eschscholzia lobbii Marvin L. Nies 1951-4-1 30 San Joaquin 8 miles east of Lodi. Comment
  JEPS104688  Eschscholzia rhombipetala John L. Morrison 1940-3-17 3122 San Joaquin Corral Hollow; ca. 1/8 mi SE of Castle Rock Comment
  UC765993  Eschscholzia rhombipetala R. F. Hoover 1937-4-3 1737 San Joaquin Corral Hollow; on hill at lower end Comment
  CDA4982  Euonymus fortunei var. radicans J. B. Gianelli 1979-11-23 San Joaquin Manteca Garden Center, Manteca. 0 Comment
  CDA4827  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin San Joaquin Valley; between rails of the W.P. R.R. tracks; Terminous. 0 Comment
  UCD142342  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Terminous. Comment
  UCD142395  Euphorbia davidii T. C. Fuller 1962-7-2 9074 San Joaquin Terminous. Comment
  UCD142626  Euphorbia nutans R. DeVol 1959-9-4 s.n. San Joaquin Lodi; west side of Pearson Road, 1/2 mile south of Armstrong Rd. Comment
  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
  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
  CDA35307  Euphorbia spathulata T. C. Fuller 1962-4-24 8234 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA39034  Euthamia occidentalis D. G. Kelch 2011-10-4 11 .837 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  UC31897  Euthamia occidentalis Ivar Tidestrom 1893-11-13 San Joaquin near Tracy; San Joaquin R. Comment
  UC31899  Euthamia occidentalis F. T. Bioletti 1891-8-30 San Joaquin Comment
  UC485617  Euthamia occidentalis Harriet A. Walker 1907-9-8 900 San Joaquin near S.P.R.R. Lathrop Comment
  UC88076  Euthamia occidentalis T. S. Brandegee 1892-9-7 San Joaquin Bouldin Island Comment
  JEPS32339  Euthamia occidentalis Roy M. Filcher 1914-9-14 San Joaquin Moorland Comment
  POM147786  Euthamia occidentalis E. E. Stanford 1927-9-26 716 San Joaquin Stockton, near Louis Park Comment
  SEINET8687859 Image available Euthamia occidentalis N. K. Berg 1903-12-12 s.n. San Joaquin Stockton, Rough and Ready Island Comment
  UCD132343  Euthamia occidentalis G. F. Hrusa 1992-8-26 9518 San Joaquin Caswell Memorial State Park, just inside entrance gate. Comment
  CDA12447  Festuca arundinacea G. F. Hrusa, S. A. Wagner 1992-4-2 9267 San Joaquin Caswell Memorial State Park. Comment
  CDA2177  Festuca arundinacea J. B. Gianelli 1959-5-2 San Joaquin Hwy 12, east of Terminous. 0 Comment
  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
  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
  RSA604700  Forestiera pubescens Louis C. Wheeler 1952-9-29 6991 San Joaquin Corral Hollow Creek, near Ladd Mine. Comment
  CAS-BOT-BC53585  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC53587  Frangula californica subsp. tomentella Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC211630  Frankenia salina John Thomas Howell 1929-9-21 4398 San Joaquin Island Road between Brentwood and Stockton Comment
  UC580112  Frankenia salina Ira L. Wiggins 1934-8-17 6981 San Joaquin 2 mi w San Joaquin River Comment
  UC672598  Frankenia salina H. L. Mason 1928-9-30 4967 San Joaquin near Holt; San Joaquin Delta Comment
  CAS-BOT-BC223546  Fraxinus latifolia E. E. Stanford 1927-5-21 452 San Joaquin Stockton. Near levee, Louis Park 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
  SD241175  Galium aparine George K. Helmkamp, E. A. Helmkamp 2012-4-7 18730 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCD121698  Galium aparine G. F. Hrusa; S. A. Wagner 1992-4-22 9253 San Joaquin Caswell Memorial State Park. Comment
  UCD96912  Galium aparine Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6950 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  CDA6668  Galium mollugo J. Solari 1965-6-7 San Joaquin M. Allen property, Route 5, Roberts Island. 0 Comment
  UC1039509  Galium trifidum H. L. Mason 1928-9-30 4959 San Joaquin near Holt; San Joaquin Delta Comment
  CDA42202  Galium triflorum F. H. Newhall 1960-5-1 # 4119 San Joaquin J.C. Harris property, Lockeford 0 Comment
  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
  UCR232197  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2011-3-12 17074 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UCR238406  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18720 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  CDA4656  Geranium dissectum T. C. Fuller 1962-5-1 8297 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 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
  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
  UC23350  Gilia capitata subsp. staminea J. A. Sanford 1890-1 98 San Joaquin French Camp Comment
  UC615417  Gilia capitata subsp. staminea Beryl O. Schreiber 1932-3-27 148 San Joaquin Midway Comment
  UC84865  Gilia capitata subsp. staminea Katharine Brandegee 1907-5-7 San Joaquin Lathrop near Stockton, Lathrop Comment
  UC907895  Gilia capitata subsp. staminea Joseph Dixon 1928-3-31 136 San Joaquin Manteca 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
  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
  JEPS85996  Gilia tricolor subsp. diffusa J. Ewan 1934-3-4 8613 San Joaquin s Carnegie (along floor of Corral Hollow); s of Carnegie, along floor Corral Hollow Comment
  UC1018187  Gilia tricolor subsp. diffusa J. Warren 1952-4-12 San Joaquin Taft , Taft (San Joaquin Valley) Comment
  JEPS85999  Gilia tricolor subsp. tricolor W. L. Jepson 1922-4-2 9558 San Joaquin Corral Hollow Mt. Hamilton Range, Corral Hollow 152 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
  UC963968  Gilia tricolor subsp. tricolor R. F. Hoover 1938-2-27 2797 San Joaquin Corral Hollow Castle Rock, Corral Hollow 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
  CDA2165  Glyceria declinata J. B. Gianelli 1994-9-16 San Joaquin Flood Road, Linden. 0 Comment
  UCD55218  Glyceria declinata John Gerlach 2006-5-24 s.n. San Joaquin Lane Ranch. Comment
  UCD66767  Glyceria declinata Margaret W. Flesher 1993-3-12 s.n. San Joaquin San Joaquin and Stanislaus Counties: Foothills northeast of Modesto, at localities marked on accompanying map. Comment
  CDA4147  Glycyrrhiza glabra J. B. Gianelli 1971-7-17 San Joaquin Northeast corner of Cluff Road & East Pine Extension, Lodi. 0 Comment
  UC15277  Glycyrrhiza lepidota J. A. Sanford 1890-1 69 San Joaquin Stockton Comment
  POM146207  Glycyrrhiza lepidota E. E. Stanford 1927-5-21 446 San Joaquin Near Stockton. In sand, Calaveras River Bottom Comment
  POM358722  Gnaphalium E. E. Stanford 1930-5-2 1457 San Joaquin Empire Tract Comment
  UCR128289  Gnaphalium luteoalbum Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  CAS-BOT-BC303342  Gnaphalium palustre 1880-6-1 s.n. San Joaquin [Gill Creek?], Live Oaks Comment
  UC900733  Gnaphalium palustre Roxana S. Ferris 1953-5-15 12647 San Joaquin 1 mi w of intersection between Bellota-Farmington road and Everett School Comment
  UC20285 Image available Godetia sparsiflora Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  UC885860  Gratiola ebracteata C. L. Hitchcock 1940-4-29 6305 San Joaquin 3 mi s Galt 15 Comment
  CDA39016  Grindelia camporum D. G. Kelch 2011-10-4 11 .828 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. Comment
  POM216789  Grindelia camporum D. D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, E of Tracy. Comment
  UCD132479  Grindelia camporum G. F. Hrusa; S. A. Wagner 1992-7-8 9166 San Joaquin Caswell Memorial State Park. Eastern part of the park. Comment
  UCR45224  Grindelia camporum A. C. Sanders 1986-9-12 6917 San Joaquin San Joaquin Valley, along Interstate Hwy 5, 0.7 mi north of the Hospital Creek bridge & 2.2 mi north of the Stanislaus Co line 76 Comment
  CAS-BOT-BC304973  Grindelia hirsutula David D. Keck 1931-10-23 1352 San Joaquin San Joaquin River flats, east of Tracy Comment
  CAS-BOT-BC304976  Grindelia hirsutula John Thomas Howell 1932-10-16 10842 San Joaquin 9 1/2 miles from Tracy on Tesla Road Comment
  CAS-BOT-BC304977  Grindelia hirsutula John Thomas Howell 1930-10-11 5550 San Joaquin 1 mile west of San Joaquin River bridge near Lathrop Comment
  CAS-BOT-BC304980  Grindelia hirsutula J. T. Howell No date on label s.n. San Joaquin Holt 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
  HSC84213  Grindelia hirsutula A. C. Sanders 1986-9-12 6917 San Joaquin Along Hwy I-5, 0.7 mi. N of the Hospital Creek bridge and 2.2 mi. N of the Stanislaus Co. line 76 Comment
  JEPS33282  Grindelia hirsutula Rimo Bacigalupi, and L. Constance 1962-8-13 8720 San Joaquin 2 mi e of crossing U.S. Highway 99 (freeway) (just n of bridge-crossing of Copperopolis road (Calif. 4), on roadside above diversion canal); Stockton Diverting Canal 10 Comment
  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
  UC32114  Grindelia hirsutula Michener and Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32172  Grindelia hirsutula Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC32175  Grindelia hirsutula J. Burtt Davy 1893-11-13 1197 San Joaquin Stockton Comment
  UC419707  Grindelia hirsutula Mrs. H. P. Bracelin 1930-10-11 88 San Joaquin nearing Stockton one mi w San Joaquin Bridge Comment
  UC764955  Guillenia flavescens R. F. Hoover 1938-4-9 3050 San Joaquin lower end Corral Hollow Comment
  UC765135  Guillenia flavescens R. F. Hoover 1938-4-9 3022 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  POM143657  Guillenia lasiophylla C. F. Baker 1903-4-27 2791 San Joaquin Bethany Comment
  UC571775  Guillenia lasiophylla C. W. and H. K. Sharsmith 1935-3-3 1483 San Joaquin e end Corral Hollow; Mount Hamilton Range 228 Comment
  CAS-BOT-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
  SJSU1706  Gutierrezia californica C. W. Sharsmith 1955-9-11 6295 San Joaquin Corral Hollow Comment
  UC188807  Hainardia cylindrica Mr. Sanford San Joaquin Stockton Comment
  CAS-BOT-BC309390  Helenium puberulum E. E. Stanford 1926-10-7 40 San Joaquin Stockton, Calaveras River bottom Comment
  UC32239  Helenium puberulum J. A. Sanford San Joaquin w Stockton; San Joaquin Valley, Meyer's Tract Comment
  CDA25242  Helianthus annuus G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UC32275  Helianthus annuus J. A. Sanford 6 San Joaquin Stockton San Joaquin Valley Comment
  UC32276  Helianthus annuus J. Burtt Davy 1893-11-13 1196 San Joaquin Stockton Comment
  UC32294  Helianthus annuus J. A. Sanford 1890-1-1 234 San Joaquin Roberts Island Comment
  UCD131742  Helianthus annuus G. F. Hrusa; S. A. Wagner 1992-8-9 9372 San Joaquin Caswell Memorial State Park. Comment
  UCD132799  Helianthus annuus Harriet A. Walker 1907-9-8 914 San Joaquin San Joaquin County. Comment
  UCR194982  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2007-10-13 13093 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UCR232676  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2011-10-15 18431 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  UCR253494  Helianthus annuus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20082 San Joaquin San Joaquin Valley, Littlejohns Creek, along unnamed dirt road 0.3 mi. south of CA-4 at a point 0.5 miles east of Farmington 32 Comment
  UCR253801  Helianthus annuus George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20061 San Joaquin San Joaquin Valley, along Hwy CA-26, 0.7 mile northeast of Bellota 50 Comment
  POM360027  Helianthus annuus E. E. Stanford 1927-8-18 682 San Joaquin Stockton. Near railroad tracks 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
  CDA6558  Helianthus tuberosus J. B. Gianelli 1977-10-12 San Joaquin F.W. Reid property, 15789 Escalon-Bellota Road, north of Escalon. 0 Comment
  POM146112  Heliotropium curassavicum var. oculatum E. E. Stanford 1926-9-30 18 San Joaquin Stockton. Comment
  UCD119424  Heliotropium curassavicum var. oculatum G. F. Hrusa 1992-8-26 9554 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC309742  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-10-28 2574 San Joaquin Farmington Road 0.7 mi. from intersection with U.S. 99, ca. 3 mi. E. of Stockton Comment
  JEPS12599  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  UC32736  Hemizonia congesta subsp. luzulifolia J. A. Sanford 1890-1-1 12 San Joaquin French Camp Comment
  UC596092  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1935-8-20 713 San Joaquin Stockton Comment
  UCD71243  Hemizonia fitchii Paul Verdegarl; Bob Mullen 1999-5-21 s.n. San Joaquin Lodi, Atkins Rd. in winegrape vineyard that was previously pasture 12 Comment
Read comments
Dec 5 2009
  POM231813  Hemizonia fitchii C. L. Hitchcock 1935-9-14 2832 San Joaquin 3 miles S of Galt. Comment
  POM360306  Hemizonia kelloggii D. D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  SEINET3387093 Image available Hemizonia kelloggii David D. Keck 1931-10-18 1314 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles east of Manteon. 23 Comment
  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
  CDA37460  Hemizonia pungens D. G. Kelch 2011-10-4 11 .829 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. 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
  UCD96876  Herniaria hirsuta Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6929 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  POM101087  Herniaria hirsuta subsp. cinerea Katherine Brandegee 1907-08 s.n. San Joaquin Near Lathrop. Comment
  UCD98167  Herniaria hirsuta var. cinerea Herbert L. Mason 1932-3-19 6825 San Joaquin 2 miles east of Midway, between Mountain House and Tracy. Comment
  CAS-BOT-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
  UC990721  Hesperevax caulescens Roxana S. Ferris 1953-5-15 12651 San Joaquin ca. 2 mi w of intersection between Everett School and intersection with Bellota-Farmington road Comment
  SEINET10939142  Heterocodon rariflorum Mason Mason 5551 San Joaquin KNIGHT'S FERRY Comment
  RSA22270  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corral Hollow. 122 Comment
  SEINET3148664  Heterodraba unilateralis L. S. Rose 1938-4-3 38120 San Joaquin Corrla Hollow 122 Comment
  UC856338  Heterodraba unilateralis Lewis S. Rose 1938-4-3 38120 San Joaquin Corral Hollow 121 Comment
  UCD132146  Heterotheca grandiflora G. F. Hrusa; S. A. Wagner 1992-7-8 9139 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC310941  Heterotheca grandiflora E. E. Stanford 1926-10-19 66 San Joaquin Near Stockton Comment
  RSA0075855  Heterotheca grandiflora E. E. Stanford 1926-10-19 66 San Joaquin Stockton, San Joaquin River. Comment
  CDA32713  Hibiscus lasiocarpos P. Akers 2009-9-9 PDR# 1286190 San Joaquin At water s edge of a channel of old San Joaquin River. Approximately 8.5 miles northwest of Stockton and 3 miles east of Tinsley Island. 0 Comment
  UC1035822  Hibiscus lasiocarpos Annie M. Alexander and Louise Kellogg 1943-9-1 3526 San Joaquin on island near bridge Middle R. Bridge (San Joaquin R. (Byron-Stockton hwy.)); San Joaquin R. Valley, San Joaquin R. (Byron-Stockton hwy.) Comment
  CDA5019  Hibiscus trionum E. B. Eby 1961-10-2 San Joaquin John Graffignia property, Pullman Road, Stockton. 0 Comment
  UC632813  Hippuris vulgaris H. L. Mason 1938-8-26 12077 San Joaquin s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough Comment
  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
  UC82417  Hoita macrostachya Katharine Brandegee 1892-9-7 San Joaquin Bouldin Island Sacramento River Comment
  UCD105873  Hoita macrostachya G. F. Hrusa 1992-8-26 9538 San Joaquin Approx. 200 meters to west of westernmost parking area. Caswell Memorial State Park. Comment
  UCD84900  Holcus lanatus G. F. Hrusa 1992-8-26 9528 San Joaquin Caswell Memorial State Park. Low opening along the nature trail between the campgrounds and picnic areas. Comment
  CAS-BOT-BC324601  Holocarpha obconica James I. McMurphy 1908-10-19 s.n. San Joaquin 3-4 miles out of Tracy Comment
  CAS-BOT-BC324607  Holocarpha obconica R. F. Hoover 1965-9-24 9646 San Joaquin River Road just norht of the Stanislaus Co. line near San Joaquin River Comment
  CDA39101  Holocarpha obconica D. G. Kelch 2011-10-4 11 .831 San Joaquin Ingram Creek Rd., 6.3 km west of Westley. 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
  UC913048  Holocarpha obconica David D. Keck 1933-8-23 2504 San Joaquin 10.5 mi sw Tracy (e end of hollow); Corral Hollow Comment
  CAS-BOT-BC320374  Holocarpha virgata David D. Keck 1931-10-18 1319 San Joaquin Escalon 38 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
  UC913094  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi e Farmington (on the road to Milton) 35 Comment
  CAS-BOT-BC311744  Holozonia filipes David D. Keck 1932-6-26 1505 San Joaquin 1.6 mi. east of Farmington, on road to Milton 35 Comment
  CAS-BOT-BC285041  Hordeum depressum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Campus Comment
  CAS-BOT-BC285043  Hordeum depressum John Thomas Howell 1953-4-26 28931 San Joaquin Corral Hollow Comment
  UCD85622  Hordeum depressum G. F. Hrusa; S. A. Wagner 1992-4-22 9318 San Joaquin South side of Stanislaus River in vicinity of Caswell Park. Comment
  CDA43396  Hordeum jubatum Ken Peek 2015-4-14 PDR# 010 P06220548 San Joaquin Vicinity of Tracy. 0 Comment
  CAS-BOT-BC285127  Hordeum marinum subsp. gussoneanum E. E. Stanford 1930-5-12 1478 San Joaquin Robert's Island Comment
  CAS-BOT-BC285128  Hordeum marinum subsp. gussoneanum E. E. Stanford 1927-3-17 115 San Joaquin Stockton Comment
  SEINET10611049  Hordeum marinum subsp. gussoneanum E. E. Stanford 1930-5-12 Stanford 1478 San Joaquin Robert's Island. Wet roadsides in alkaline soil. Comment
  CAS-BOT-BC389764  Hordeum murinum R. D. Hennessey 1964-5-2 79 San Joaquin Calaveras River 1 mile north and 7 miles northeast of point at which river empties into Stockton Channel Comment
  SEINET9343031  Hordeum murinum Unknown 1992-3-4 9067 San Joaquin Caswell Memorial State Park Comment
  RSA123421  Hordeum murinum subsp. glaucum C. M. Belshaw 1936-4-23 1964 San Joaquin 3 miles S.S.W. of Stone Corral 122 Comment
  CAS-BOT-BC284905  Hordeum murinum subsp. leporinum E. E. Stanford 1927-3-7 99 San Joaquin Stockton Comment
  UCD86238  Hordeum murinum subsp. leporinum G. F. Hrusa; S. A. Wagner 1992-3-4 9067 San Joaquin Caswell Memorial State Park. Picnic areas. Comment
  UCR253603  Hordeum murinum subsp. leporinum George K. Helmkamp 2014-3-18 22579 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  UCR207835  Hordeum murinum subsp. murinum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14457 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  UC566854  Hydrocotyle ranunculoides H. L. Mason 1928-9-30 4958 San Joaquin San Joaquin Delta near Holt; San Joaquin Delta Comment
  UCR123623  Hydrocotyle umbellata Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  CDA41058  Hydrocotyle verticillata J. Allan 2003-8-4 PDR 1268881 San Joaquin San Joaquin Valley; 3705 Hepburn Circle, Stockton. 0 Comment
  UCD128243  Hydrocotyle verticillata G. F. Hrusa; S. A. Wagner 1992-8-9 9359 San Joaquin Caswell Memorial State Park. On eastern end of Oxbow Lake. Comment
  CAS-BOT-BC400803  Hypericum anagalloides Brandegee 1892-9-7 s.n. San Joaquin Bouldin Island Comment
  RSA519060  Hypericum perforatum L. F. LaPre 1990-6-5 s.n. San Joaquin Forster Ranch, at the gate of Hwy 188. 76 Comment
  CDA19471  Hypochaeris glabra M. I. Wibawa, G. F. Hrusa, J. Naughton 2002-5-15 202 San Joaquin Sacramento Valley; Coyote Creek tributary on Dustin Rd., ~0.1 mi N of Liberty Rd., near Acampo. 7 Comment
  CDA5553  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin West of Highway 99 freeway, 0.1 mile north of Woodbridge Road, 2 miles north of Lodi. 0 Comment
  RSA170319  Ipomoea purpurea T. C. Fuller 1963-9-11 11230 San Joaquin W. of Hyw 99 freeway, 0.1 mi. n. of Woodbridge Rd., 2 mi. n. of Lodi. Comment
  CDA39154  Juncus balticus T. C. Fuller 1962-6-4 8837 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
  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
  RSA368182  Juncus bufonius E. E. Stanford 1930-4-26 1430 San Joaquin Copperopolis Road. Comment
  UC766159  Juncus mexicanus R. F. Hoover 1940-12-7 4714 San Joaquin 2 mi e Midway 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
  SJSU2023  Juniperus californica Robert L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  CDA6291  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Between Collier Road and Mokelumne River, 0.5 mile east of Mackville Road, north of Clements. 0 Comment
  CDA6296  Kickxia elatine J. B. Gianelli 1988-12-1 San Joaquin Collier Road at Mokelumne River, 0.5 mile east of Mackville, Lodi. 0 Comment
  POM147994  Kickxia elatine E. E. Stanford 1927-9-17 705 San Joaquin Stockton. Comment
  POM215189  Kickxia elatine D. D. Keck 1933-10-28 2578 San Joaquin 3 miles N of Stockton. Comment
  UCD68080  Kickxia spuria Mick Canevari 1996-7-19 S.N. San Joaquin Roberts Island, edge of Alfalfa field. Collected by San Joaquin County Farm Advisor. Comment
Read comments
Jun 11 2012
  UC91977  Lactuca serriola T. S. Brandegee 1893-7-9 San Joaquin Bouldin Island Comment
  CAS-BOT-BC340721  Laennecia coulteri John Thomas Howell 1929-9-21 4402 San Joaquin Holt Comment
  UC185659  Laennecia coulteri Katharine Brandegee 1892-9-6 San Joaquin Bouldin Island Comment
  UC33064  Lagophylla glandulosa Jos. Burtt Davy 1893-11-13 1175 San Joaquin Stockton Comment
  CAS-BOT-BC341283  Lagophylla glandulosa H. M. Hall 1915-9-19 10123 San Joaquin Stockton 9 Comment
  CAS-BOT-BC341451  Lagophylla ramosissima W. M. Heusi 1932-5-30 215 San Joaquin Escalon Comment
  SD243165  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2011-3-12 17060 San Joaquin Northern San Joaquin Valley: Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50a^z) of Lodi. Grassy field. 39 Comment
  UC1614530  Lamium amplexicaule Charles M. Belshaw 1936-2-28 1520 San Joaquin about 8 mi wsw of Lockford (toward Waterloo) Comment
  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
  UCD125093  Lamium amplexicaule Marvin Nies 1951-4-1 s.n. San Joaquin 5 miles east of Lodi. Comment
  SEINET7076134  Lasthenia californica A. G. Vestal 1955-4-1 s.n. San Joaquin About 3.5 miles east of Farmington on Route 4. (NAD 27; 37.9376? deg. North Latitude, 120.9439? deg. West Longitude). [GPS Coordinate: WGS84/NAD83]. Comment
  UCR242806  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2010-4-7 15822 San Joaquin Northeast San Joaquin Valley, junction of CA-88 and CA-12, about 6 miles NE of Lockeford, 1.2 mi. NE of Clements 40 Comment
  CAS-BOT-BC324461  Lasthenia conjugens Bloomer 1869-4-1 s.n. San Joaquin Antioch Comment
  CAS-BOT-BC324466  Lasthenia conjugens Edw. L. Greene 1887-4-17 s.n. San Joaquin Antioch Comment
  CAS-BOT-BC352738  Lasthenia fremontii Roxana S. Ferris 1953-5-15 12655 San Joaquin On road between Everett School and intersection with Bellota-Farmington road, ca. 2 miles W of intersection. 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
  UC30418  Lasthenia fremontii J. A. Sanford 1890-1-1 19 San Joaquin Waverly Comment
  UC614823  Lasthenia fremontii Beryl O. Schreiber 1932-3-27 140 San Joaquin near Midway Comment
  CAS-BOT-BC352736  Lasthenia fremontii E. E. Stanford 1929-4-7 1040 San Joaquin Near Peters. Comment
  CAS-BOT-BC352737  Lasthenia fremontii E. E. Stanford 1929-4-7 1041 San Joaquin Near Peters. Comment
  POM146141  Lasthenia fremontii E. E. Stanford 1927-4-23 184 San Joaquin Near Stockton Comment
  CDA8118  Lasthenia glaberrima T. C. Fuller 1962-5-1 8342 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  UC33081  Lasthenia glaberrima J. A. Sanford 1890-1-1 104 San Joaquin French Camp Comment
  CAS-BOT-BC355491  Lasthenia glaberrima D. K. Gillespie; J. W. Gillespie 1930-4-24 9232 San Joaquin 4 miles south of Galt 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
  CAS-BOT-BC352817  Lasthenia glabrata subsp. glabrata L. R. Abrams 1935-4-20 13655 San Joaquin Between Stockton and Lodi. Comment
  JEPS10015  Lasthenia gracilis W. L. Jepson 1922-4-2 9570 San Joaquin 182 Comment
  CAS-BOT-BC367546  Lasthenia microglossa Alice Eastwood; John Thomas Howell 1935-4-7 2095 San Joaquin East end of Corral Hollow Comment
  RSA14935  Lasthenia microglossa Alice Eastwood, J. T. Howell 1935-4-7 2095 San Joaquin East end of Corral Hollow. 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-BC368708  Lasthenia minor Alice Eastwood; John Thomas Howell 1938-4-18 5074 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC368716  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  CAS-BOT-BC368718  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  CAS-BOT-BC385628  Lasthenia minor John Thomas Howell 1933-3-26 10887 San Joaquin Corral Hollow Comment
  JEPS10004  Lasthenia minor W. L. Jepson 1922-4-2 9596 San Joaquin Corral Hollow Inner Coast Ranges, Corral Hollow 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
  UC604924  Lasthenia minor Roxana S. Ferris 1938-4-15 9404 San Joaquin at the mouth of Corral Hollow Comment
  UC75373  Lasthenia minor C. F. Baker 1903-4-25 2789 San Joaquin Tracy Comment
  CAS-BOT-BC213328  Lathyrus jepsonii subsp. californicus John Thomas Howell 1933-7-20 11446 San Joaquin Lathrop Bridge on San Joaquin River Comment
  RSA7426  Lathyrus jepsonii subsp. californicus J. T. Howell 1933-7-20 11446 San Joaquin Lathrop Bridge, on San Joaquin River. 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
  RSA43223  Lathyrus vestitus subsp. bolanderi Robert F. Hoover 1947-2-11 6616 San Joaquin Poly Canyon (Brizziolari Creek of maps) Comment
  CDA5003  Lavatera cretica T. C. Fuller 1962-6-4 8832 San Joaquin North side of Highway 50 at railroad tracks, west limits of Tracy. 0 Comment
  RSA126330  Lavatera cretica I. L. Wiggins 1958-6-13 14322 San Joaquin Roadside weed at corner of Patterson Road and Grant Line Rad Comment
  JEPS13425  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
  UC30614  Layia fremontii J. A. Sanford 1890-1-1 San Joaquin Waverly Comment
  POM195965  Layia fremontii E. E. Stanford 1928-4-7 849 San Joaquin Near Collegeville Comment
  POM361722  Layia fremontii Clarence R. Quick 1929-4-14 s.n. San Joaquin Peters. Comment
  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
  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-BC380871  Layia platyglossa Brandegee not specified s.n. San Joaquin San Joaquin Comment
  CAS-BOT-BC380873  Layia platyglossa Carl B. Wolf 1937-3-31 8397 San Joaquin San Joaquin Valley, Mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  JEPS15775  Layia platyglossa W. L. Jepson 1922-4-2 9568 San Joaquin Corral Hollow; Hamilton Range Comment
  POM306596  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1938-4-3 1559 San Joaquin Tracy Comment
  SJSU11686  Layia platyglossa R. L. Fisher 1958-3-8 San Joaquin Corral Hollow Comment
  UC1601122  Layia platyglossa Benj. Cobb San Joaquin Tracy Comment
  UC615034  Layia platyglossa Beryl O. Schreiber 1932-3-27 139 San Joaquin near Midway Comment
  UCR242782  Layia platyglossa George K. Helmkamp, 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 40 Comment
  RSA18940  Layia platyglossa subsp. campestris Roxana S. Ferris 1938-4-15 9387 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  CAS-BOT-BC274343  Leersia oryzoides Brian Atwater 1978-9-16 BA- 146 San Joaquin Between Victoria Is. and Upper Jones Tract Comment
  UCD36788  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin San Joaquin County, 6.4 miles south of Thornton. Comment
  UCD63509  Leersia oryzoides Beecher Crampton 1955-9-7 3154 San Joaquin 6.4 miles south of Thornton. Comment
  UCD63518  Leersia oryzoides Ron Baskett 1969-9-26 San Joaquin edges of rice fields. Comment
  UCD63591  Leersia oryzoides G. F. 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
  CDA12519  Lemna gibba G. F. Hrusa, S. A. Wagner 1992-8-9 9343 San Joaquin Caswell Memorial State Park. Oxbow Lake. Comment
  UC1036118  Lemna gibba Annetta Carter 1955-6-10 3451 San Joaquin 5 mi w of Farmington 30 Comment
  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
  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
  UC1584130  Leontodon saxatilis L. LaPre 1990-6-4 San Joaquin Borden Ranch, Dry Creek Comment
  CAS-BOT-BC88871  Lepidium chalepense Bellue 1932-6-1 s.n. San Joaquin Unspecified. Comment
  CAS-BOT-BC88942  Lepidium dictyotum Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10558 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC88958  Lepidium dictyotum Roxana S. Ferris 1938-4-15 9403 San Joaquin Mouth of Corral Hollow. 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
  RSA21259  Lepidium dictyotum var. acutidens C. B. Wolf 1937-3-31 8373 San Joaquin San Joaquin Valley. 1 mi S of Stockton on Tracy Rd. 5 Comment
  UCD115344  Lepidium didymum Ron Baskett 1974-6-6 s.n. San Joaquin location unknown. Comment
  CDA15316  Lepidium latifolium J. Allan 1998-8-2 s.n. San Joaquin San Joaquin Valley; NW corner Bethany & Henderson Rd. in Tracy. 0 Comment
  NY76540  Lepidium latifolium D. W. McNeal 1982-7-7 2660 San Joaquin At the end of the slough north of Eight Mile Road, 0.6 mile west of Interstate #5 north of Stockton Comment
  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-BC89756  Lepidium latipes E. E. Stanford 1928-4-5 837 San Joaquin Stockton. Comment
  CAS-BOT-BC12556  Lepidium nitidum John Thomas Howell 1931-3-16 5783 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
  CAS-BOT-BC12559  Lepidium nitidum John Thomas Howell 1933-3-26 10892 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC12560  Lepidium nitidum Carl B. Wolf 1937-3-31 8380 San Joaquin San Joaquin Valley, 3 miles east of Tracy at junction with Vernalis Road. 7 Comment
  CAS-BOT-BC12561  Lepidium nitidum Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  JEPS53686  Lepidium nitidum W. L. Jepson 1937-4-23 18016 San Joaquin about 5 mi se Farmington road; Stockton Comment
  RSA161144  Lepidium nitidum P. H. Raven, Robert Ornduff, et al. 1957-3-30 10559 San Joaquin Corral Hollow. Comment
  UCR207838  Lepidium nitidum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14466 San Joaquin San Joaquin Valley, along Tully Road, 0.1 mile north of its junction with Kettleman Lane, 3.8 miles south of CA-88 in Lockeford 24 Comment
  CAS-BOT-BC12562  Lepidium nitidum Gladys L. Smith 1959-5-2 1068 San Joaquin Near Railroad, 1 mile east of Wallace. 67 Comment
  CDA3816  Lepidium pinnatifidum A. Bugbee 1966-5-19 San Joaquin Santa Fe Railroad, Jack Tone Road, Stockton. 0 Comment
  UC10600  Lepidium strictum Jos. Burtt Davy San Joaquin Lathrop Comment
  UC1601653  Lepidium strictum Albert Kellogg 1889-5-29 San Joaquin S<?> Comment
  UC61020  Lepidium virginicum N. K. Berg 1903-12-5 San Joaquin Rough & Ready Isl. Comment
  CAS-BOT-BC329361  Lepidospartum squamatum John Thomas Howell 1971-6-25 48111 San Joaquin Flood plain of Hospital Creek at Interstate Hwy 580, 4 miles SW of Vernalis Comment
  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
  UCD134022  Lepidospartum squamatum John Thomas Howell 1973-10-31 50264 San Joaquin Hospital Creek southwest of Vernalis at Highway 580. Comment
  JEPS33279  Leptochloa fascicularis Rimo Bacigalupi and L. Constance 1962-8-13 8717 San Joaquin flats on e side of river just n bridge of the Durham Ferry Road (just n of site of San Joaquin City); San Joaquin River 3 Comment
  UCD63651  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-9-7 3152 San Joaquin 6.4 miles south of Thornton. Comment
  OBI48833  Lessingia pectinata var. tenuipes Michener & Boletti, Boletti September 1892 s.n. San Joaquin San Joaquin bridge Comment
  UC133316  Lessingia pectinata var. tenuipes Katharine Brandegee 1907-9-1 San Joaquin near Lathrop Comment
  UC33156  Lessingia pectinata var. tenuipes F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC468757  Lessingia pectinata var. tenuipes Katharine Brandegee 1914-9-27 San Joaquin Lathrop Comment
  CAS-BOT-BC272206  Leymus triticoides E. E. Stanford 1927-5-28 442 San Joaquin Near Stockton, Calaveras River Comment
  CDA32492  Leymus triticoides T. C. Fuller 1958-12-18 1665 San Joaquin West side of Ray Rd., 200 yards north of State Hwy 12, southwest of Lodi. 0 Comment
  SEINET10531268  Libocedrus decurrens Carl C. Epling 1931-10-3 Epling s.n. 1931 San Joaquin Strawberry Valley, San Jacinto Mts. 5000 feet. Comment
  CAS-BOT-BC451656  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC451657  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC451658  Lilaea scilloides E. E. Stanford 1928-4-29 941 San Joaquin Near Stockton Comment
  CAS-BOT-BC451660  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 miles south of Galt 15 Comment
  UC517525  Lilaea scilloides John Thomas Howell 1930-4-12 4681 San Joaquin 7 mi from Escalon (on road to Stockton) Comment
  UC814386  Lilaea scilloides C. L. Hitchcock 1940-5-12 6356 San Joaquin 3 mi s Galt 15 Comment
  POM146101  Lilaea scilloides E. E. Stanford 1927-4-21 169 San Joaquin Stockton, Campus. Comment
  POM203336  Lilaea scilloides J. T. Howell 1930-4-12 4680 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC211112  Lilaeopsis masonii Brian Atwater 1979-3-17 BA- 182 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC211114  Lilaeopsis masonii Virginia I. Dains; Walter Knight No date on label 5460 San Joaquin Swing Bridge Comment
  UC1587284  Lilaeopsis masonii C. K. Kjeldsen 1991-4-12 San Joaquin South levee of Shima Tract, just west of Stockton. 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
  JEPS19620  Limnanthes alba W. L. Jepson 1929-4-28 15201 San Joaquin Clements 60 Comment
  OBI12599  Limnanthes alba Robert F. Hoover 1936-4-30 1057 San Joaquin Farmington Comment
  RSA27974  Limnanthes alba C. L. Hitchcock 1940-4-29 6303 San Joaquin 3 miles south of Galt. 16 Comment
  JEPS19581  Limnanthes alba subsp. alba R. F. Hoover 1936-4-30 1057 San Joaquin Farmington Comment
  UC596521  Limnanthes alba subsp. alba R. F. Hoover 1936-4-30 1057 San Joaquin Farmington 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
  CHSC22063  Limnanthes douglasii subsp. rosea Robert A. Schlising 1962-3-24 2108 San Joaquin Coast Ranges. Ca. 5 mi w Calaveras Co line along Hwy 8. Roadside and pasture. 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
  JEPS13210  Limnanthes douglasii subsp. rosea Rimo Bacigalupi with G. T. Robbins 1955-5-5 4990 San Joaquin 1 1/2 mi sw Peters (along roadside from Stockton to Peters) 25 Comment
  JEPS19636  Limnanthes douglasii subsp. rosea W. L. Jepson 1938-4-14 18677 San Joaquin along State Hwy 88 about 6 mi ne Clements (between Clements and Ione, at headwaters of creek, ne San Joaquin Co.); Goose Creek 76 Comment
  OBI12563  Limnanthes douglasii subsp. rosea Robert F. Hoover 1935-3-19 354 San Joaquin Farmington 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
  SD241092  Limnanthes douglasii subsp. rosea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17096 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, ca. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden (Valley Springs SW 7.5'Q) 71 Comment
  UC1746127  Limnanthes douglasii subsp. rosea Annetta M. Carter 1947-4-5 1783 San Joaquin E of Farmington, 0.3 mi. W of San Joaquin Co. line. Comment
  UC17891  Limnanthes douglasii subsp. rosea J. A. Sanford 1890-1 60 San Joaquin Stockton Comment
  UC17913  Limnanthes douglasii subsp. rosea A. W. Gunnison 1896-4-18 San Joaquin Linden Comment
  UC869483  Limnanthes douglasii subsp. rosea Lewis S. Rose 1941-3-27 41063 San Joaquin Stockton 3 Comment
  UCR232291  Limnanthes douglasii subsp. rosea George K. Helmkamp, E. A. Helmkamp 2011-3-29 17096 San Joaquin San Joaquin Valley, along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56 deg. ) of Linden 72 Comment
  SEINET6670606  Limnanthes douglasii subsp. rosea C. T. Mason 1948-4-24 1145 San Joaquin 7 miles northeast of Clements along State Highway 88 91 Comment
  UCD33917  Limnanthes douglasii subsp. rosea Beecher Crampton 1975-4-16 9141 San Joaquin San Joaquin County, 6 miles N.W. of Lockeford, Liberty and Bruella roads. Comment
  HSC12438  Limnanthes douglasii subsp. striata Gary J. Stebbins 1970-3-24 17 San Joaquin Along SR 26, 1.5 mi. E of Duck Creek 53 Comment
  CDA33334  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596382 San Joaquin Near Rio Vista; tidal waterway; main population about 300 yards from deep water channel next to abandoned crane. 0 Comment
  CDA33336  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596380 San Joaquin Bethel Island, tidal waterway; population is about 1/5 mile off of deep water channel. 0 Comment
  JEPS9856  Limosella acaulis R. F. Hoover 1937-5-18 2186 San Joaquin 10 mi n of Stockton 12 Comment
  UC23399  Linanthus bicolor J. A. Sanford 1890-1 164 San Joaquin Waverly 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
  UC52680  Linanthus dichotomus Benj. Cobb San Joaquin Tracy Comment
  RSA0063611  Linanthus dichotomus subsp. dichotomus Michener, Bioletti 1892-4-8 1543 San Joaquin San Joaquin County [no further location information.] 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
  UCD123915  Lindernia dubia G. F. Hrusa; S. A. Wagner 1992-8-9 9335 San Joaquin Caswell Memorial State Park. Comment
  JEPS33272  Lindernia dubia var. anagallidea Rimo Bacigalupi and L. Constance 1962-8-13 8710 San Joaquin just n of site of San Joaquin City (just n of bridge of the Durham Ferry Road, just above waterline of San Joaquin River); San Joaquin River 3 Comment
  JEPS74994  Lindernia dubia var. anagallidea L. R. Heckard and P. Rubtzoff 1971-9-15 2808 San Joaquin about 4 air mi sw Ripon (Stanislaus River); Caswell State Park Comment
  RSA244711  Lindernia dubia var. anagallidea Peter Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  SBBG47326  Lindernia dubia var. anagallidea P. Rubtzoff 1965-7-13 5577 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UC103620  Lindernia dubia var. anagallidea T. S. Brandegee 1907-9-9 San Joaquin near Lathrop (San Joaquin Bridge); San Joaquin Bridge Comment
  UC1714585  Lindernia dubia var. anagallidea F. T. Bioletti 1892-9-9 San Joaquin near Lathrop; San Joaquin River Comment
  UC885912  Lindernia dubia var. anagallidea F. Bioletti Sep 1892 San Joaquin San Joaquin Bridge Comment
  UCD141226  Lipocarpha micrantha G. F. Hrusa; S. A. Wagner 1992-8-9 9363 San Joaquin Oxbow Lake. Comment
  CAS-BOT-BC430971  Lithophragma bolanderi Volney Rattan 1885-3-25 s.n. San Joaquin In wheat field Live Oaks Comment
  CAS-BOT-BC443345  Lithophragma parviflorum Roxana S. Ferris 1938-4-15 9409 San Joaquin On well-watered grassy hill-slope, 1/2 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC389762  Lolium multiflorum R. D. Hennessey 1964-5-2 76 San Joaquin North of Calaveras River 1 mile and 7 miles northeast of point where the river empties into Stockto [Stockton] Channel Comment
  CDA2243  Lolium perenne J. B. Gianelli 1959-6-11 2586 San Joaquin Potter ranch, Lodi. 0 Comment
  SEINET3291988 Image available Lolium perenne Unknown 1945-4-22 San Joaquin Near Stockton Comment
  SEINET10927385  Lolium perenne E. E. Stanford 1930-4-18 Stanford 1361 San Joaquin Thornton Road, wet ditches. Comment
  UCR238414  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-7 18714 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  RSA452567  Lomatium caruifolium E. E. Stanford 1930-4-26 1428 San Joaquin Copperopolis Rd. west of Peters Comment
  SJSU10978  Lomatium marginatum M. E. Meyers 1955-5-27 68 San Joaquin 12 mi E of Lodi 76 Comment
  UCD138016  Lophotocarpus Malcolm A. Nobs; S. Galen Smith 1948-9-25 692 San Joaquin 0.25 mile west of Stockton. Comment
  RSA518113  Lotus heermannii Barry Burnell 1971-4-5 292 San Joaquin Just South of San Simeon Creek on Highway 1. 30 Comment
  CDA14316  Lotus purshianus J. Allan 1998-8-4 s.n. San Joaquin San Joaquin Valley; Stewart Tract, Tracy. 0 Comment
  UC1129007  Lotus purshianus var. purshianus R. D. Roseberry 1935-5-13 159 San Joaquin Mokelumne River Jackson Quad. 60 Comment
  UC15508  Lotus purshianus var. purshianus J. A. Sanford 1890-1 39 San Joaquin Stockton Comment
  RSA406289  Lotus unifoliolatus D. D. Keck 1931-10-18 1318 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  UC555422  Lotus wrangelianus Herbert L. Mason 1932-3-19 6821 San Joaquin 2 mi e Midway Comment
  SEINET7042496  Lotus wrangelianus A. G. Vestal 1963-5-27 s.n. San Joaquin Dutch Creek east northeast of Linden on Route 8. Valley Springs quadrangle UTM Zone 10, 675894mE, 4215023mN. Comment
  JEPS44327  Ludwigia peploides subsp. peploides Willis L. Jepson 1923-8-3 10031 San Joaquin lower San Joaquin Co., Old River, canal lower San Joaquin Co., Old River Comment
  UC596384  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington Comment
  UC768526  Ludwigia peploides subsp. peploides R. F. Hoover 1937-9-4 2720 San Joaquin 3 mi. e. Farmington Comment
  CDA34356  Ludwigia peploides subsp. peploides E. Finley, M. Lubinski 1988-9-26 s.n. San Joaquin Cruiser Haven Marina, San Joaquin Delta region. 0 Comment
  CDA27362  Lupinus albifrons T. C. Fuller 1962-4-24 8225 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  SEINET5766839 Image available Lupinus albifrons A. Baker 1927-1 s.n. San Joaquin near campus [College of the Pacific] 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
  SD241012  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-3-29 17095 San Joaquin San Joaquin Valley: along CA-26 at the junction with Ospital/N Wimer Road, c. 0.3 mile southwest of the Calaveras County line, 9.1 miles NE (56a^z) of Linden. 71 Comment
  UC764124  Lupinus bicolor R. F. Hoover 1938-2-27 2795 San Joaquin Castle Rock , Corral Hollow (Corral Hollow) Comment
  UC764853  Lupinus bicolor R. F. Hoover 1937-4-23 1919 San Joaquin 7 mi e Stockton; e of Stockton Comment
  UCR207839  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14467 San Joaquin San Joaquin Valley, along CA-88/12 in Lockeford, 0.3 mile northeast of Elliott Road 24 Comment
  UCR256102  Lupinus bicolor J. T. Howell, G. H. True 1978-4-4 52730 San Joaquin San Joaquin Valley, near Lockeford 30 Comment
  POM350010  Lupinus bicolor E. E. Stanford 1928-5-5 951 San Joaquin Near Peters Comment
  RSA87053  Lupinus densiflorus var. palustris E. E. Stanford 1930-04 10006 San Joaquin Northern part of the county. Comment
  JEPS100873  Lupinus microcarpus var. densiflorus Dean W. Taylor 1999-5-20 17155 San Joaquin Highway 4 2.5 miles East of Jack Tone Road junction (J5) 30 Comment
  JEPS108071  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin Drainage area, Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  OBI48309  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-4-24 1367 San Joaquin San Joaquin-Alameda Cos. Drainage area, Carnegie Motorcycle park project, Co. J2 at Co. line Comment
  OBI54937  Lupinus microcarpus var. densiflorus Kathleen Faustini 1980-5-9 30 San Joaquin Rte 120, 5 mi E of Manteca Comment
  RSA659202  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1367 San Joaquin Carnegie Motorcycle Park Project, Co. J2 at Co. line. Comment
  UC15954  Lupinus microcarpus var. densiflorus Benj. Cobb 1900-4-10 San Joaquin Tracy Comment
  CDA27534  Lupinus microcarpus var. microcarpus T. C. Fuller 1971-4-21 19833 San Joaquin Inner Coast Ranges; Lone Tree Creek. 0 Comment
  POM146124  Lupinus succulentus E. E. Stanford 1927-4-5 137 San Joaquin Stockton. Comment
  POM196007  Lupinus vallicola subsp. apricus E. E. Stanford 1929-4-7 1039 San Joaquin Near Peters Comment
  UC570740  Lycopus americanus H. L. Mason 1929-9-9 5423 San Joaquin Holt Comment
  JEPS63275  Lycopus americanus unknown 1923-8-3 10028 San Joaquin 4 mi. n.e. Byron (Old R.); Old R. Comment
  UC108056  Lythrum californicum W. Vortriede San Joaquin Stockton Comment
  UC19781  Lythrum californicum H. P. Fitch 1888-8-10 141 San Joaquin Stockton Comment
  CDA14909  Lythrum californicum D. Joley 1998-10-1 s.n. San Joaquin San Joaquin Valley; Bank of White Slough on W side of Interstate 5 along Hwy 12. 0 Comment
  UC735722  Lythrum hyssopifolia Walter Russell 1947-6-29 135 San Joaquin n of Escalon (Lone Tree Road 4/10 mi w of corner of Brennan Road); Lone Tree Road Comment
  RSA0011324  Lythrum hyssopifolia C. L. Hitchcock 1940-5-12 6364 San Joaquin 3 miles south of Galt. 16 Comment
  CDA15333  Lythrum salicaria E. Finley, Watkins 1998-9-22 PDR 1013543 San Joaquin North Coast Biodiversity Arena; E levy of San Joaquin River at confluence with Burns Cutoff. 0 Comment
  CDA19054  Lythrum salicaria C. Benefield 2000-7-25 PDR 1198620 San Joaquin Sacramento Delta; along Old River from intersection w/ San Joaquin River and Salmon Slough, heaviest at junction w/ Middle River. 0 Comment
  CDA19055  Lythrum salicaria C. Benefield, Frank Zarate 2000-8-29 PDR 1060207 San Joaquin Sacramento Delta; below University of Pacific campus, along Calaveras River, at Stockton Yacht Club. 0 Comment
  CDA19697  Lythrum salicaria C. Benefield 2000-6-22 s.n. San Joaquin Central California; White Slough. 0 Comment
  CDA13490  Lythrum salicaria F. Minnazzoli 1997-9-22 s.n. San Joaquin no loc. data 0 Comment
  CDA18962  Lythrum salicaria D. Gifford 2000-7-6 PDR 005678 San Joaquin SE of Stockton. 0 Comment
  UCD132784  Madia elegans G. F. Hrusa; S. A. Wagner 1992-8-9 9330 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC342685  Madia elegans David D. Keck 1933-10-28 2577 San Joaquin 3 mi. N. of Stockton Comment
  POM196177  Madia elegans subsp. densifolia E. E. Stanford 1929-7-7 1136 San Joaquin Lodi Comment
  CAS-BOT-BC324518  Madia radiata Carl B. Wolf 1937-3-31 8403 San Joaquin Hospital Canyon, west side of San Joaquin Valley 137 Comment
  CAS-BOT-BC324521  Madia radiata J. C. Chamberlain 1935-3-19 6196 San Joaquin Hospital Canyon, eastern slopeof Hamilton Range Comment
  JEPS15776  Madia radiata W. L. Jepson 1922-4-2 9562 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
Read comments
Aug 21 2017
  JEPS7399  Madia radiata R. F. Hoover 1938-4-10 3065 San Joaquin Lower Hospital Canyon Comment
  UCR47742  Madia radiata C. B. Wolf 1937-3-31 08403 San Joaquin W side of San Joaquin Valley, Hospital Canyon 137 Comment
  RSA0008529  Madia radiata C. B. Wolf 1937-3-31 8403 San Joaquin W side of San Joaquin Valley, Hospital Canyon. 137 Comment
  CAS-BOT-BC204035  Malacothamnus fremontii John Thomas Howell 1953-4-26 28932 San Joaquin Corral Hollow Comment
  CAS-BOT-BC345542  Malacothrix coulteri Roxana S. Ferris 1938-4-15 9414 San Joaquin Hillside near mouth of Elk Ravine. Corral Hollow-Livermore Road 152 Comment
  UC768592  Malacothrix coulteri R. F. Hoover 1938-4-9 3047 San Joaquin lower end Corral Hollow Comment
  SD241096  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 2012-4-7 18722 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCD116686  Malva pseudolavatera T. C. Fuller 1962-6-4 8832 San Joaquin In waste ground, n. side of Hwy 50 at r.r. tracks, w. limits of Tracy. Comment
  UC18829  Malvella leprosa J. Burtt Davy Nov. 1893 826 San Joaquin Stockton Comment
  UC18834  Malvella leprosa Michener and Bioletti 1892-9-9 San Joaquin San Joaquin Bridge Comment
  UCD116707  Malvella leprosa F. R. Whitehead 1931-9-1 s.n. San Joaquin Stockton, CA. Comment
  POM196281  Marah fabacea E. E. Stanford 1928-3-20 831 San Joaquin Near Peters 30 Comment
  RSA440954  Marah fabacea K. M. Stocking 1947-4-25 31 San Joaquin 1.5 miles E of Linden near levee. 9 Comment
  JEPS63285  Marrubium vulgare W. L. Jepson 1924-5-22 10420 San Joaquin Calaveras River levee Bellota; Calaveras River levee Comment
  UCR253491  Marrubium vulgare George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20072 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCD125011  Marrubium vulgare G. F. Hrusa; S. A. Wagner 1992-4-24 9313 San Joaquin Caswell Memorial State Park. 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
  SEINET7042489  Marsilea vestita 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
  UC770069  Marsilea vestita subsp. vestita R. F. Hoover 1935-3-1 295 San Joaquin 5 mi sw Ripon Comment
  UC181352  Marsilea vestita subsp. vestita Katharine Brandegee 1914-9-27 San Joaquin opposite Mossdale Schoolhouse (near San Joaquin Bridge) Comment
  UCD136579  Marsilea vestita subsp. vestita W. R. Russell 1967-9-21 s.n. San Joaquin South side of Liberty Road (where artificial fill crosses road), 1.8 miles east of State Highway 88, northeastern San Joaquin county. Comment
  UC1069990  Matricaria discoidea R. D. Roseberry 1935-5-16 184 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  CAS-BOT-BC348072  Matricaria discoidea E. E. Stanford 1927-3-17 114 San Joaquin Stockton. Along Campus walks Comment
  UC16094  Medicago polymorpha J. A. Sanford 1890-1 73 San Joaquin Stockton Comment
  SEINET11096140 Image available Medicago polymorpha Marvin L. Nies 1951-4-7 38 San Joaquin 5 miles east of Lodi. Comment
  UCD107837  Medicago polymorpha G. F. Hrusa; S. A. Wagner 1992-3-22 9066 San Joaquin Caswell Memorial State Park. Comment
  UC62238  Melia azedarach J. A. Sanford 1890-1 108 San Joaquin Stockton Comment
  CDA32510  Melica californica T. C. Fuller 24 [month missing] 1962 8230 San Joaquin In canyon south of Corral Hollow Creek, ca. 8 miles southwest of Tracy 0 Comment
  UCR77123  Melilotus albus G. Fred Hrusa, S. A. Wagner 1992-7-8 9158 San Joaquin Caswell Memorial State Park. Comment
  POM147806  Melilotus indicus E. E. Stanford 1928-3-13 804 San Joaquin Stockton. Comment
  CAS-BOT-BC389765  Melilotus indicus R. D. Hennessey 1964-5-2 83 San Joaquin Bank of Calaveras River 7 miles east-northeast of point at which Calaveras River empties into Stockton Channel Comment
  POM146121  Melilotus indicus E. E. Stanford 1926-10-5 23 San Joaquin Stockton. Calaveras River bottom. Comment
  POM348200  Melilotus indicus C. R. Quick 1929-4-6 s.n. San Joaquin Aviation Field. C.O.P. Comment
  SEINET8721694 Image available Melilotus indicus Laura Zeller 1965-1 58 San Joaquin Ca. .3 miles S. of intersection of Eight Mile Road and Davis Road on Davis Road Comment
  CDA19700  Mentha X piperita F. Maly 2001-8-28 PDR P 071840 San Joaquin Sacramento Delta; in Old River just north of Holland Marina. 0 Comment
  UC57371  Mentha canadensis N. K. Berg 1903-12-12 21 San Joaquin Rough and Ready Isl. Comment
  POM147747  Mentha canadensis E. E. Stanford 1927-8-10 675 San Joaquin Stockton; Louis Park; San Joaquin River Comment
  RSA409902  Mentha canadensis E. E. Stanford 1929-10-25 1180 San Joaquin Near Stockton 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
  UC25392  Mentha pulegium F. T. Bioletti 1891-8-30 San Joaquin Comment
  UC761956  Mentha pulegium R. F. Hoover 1935-8-3 704 San Joaquin 5 mi sw Ripon (Stanislaus River bottom); Stanislaus River bottom Comment
  UCD125121  Mentha pulegium Alton Enloe 1956-7-17 s.n. San Joaquin near Lodi. Comment
  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
  UC767155  Mentzelia pectinata R. F. Hoover 1938-3-19 2870 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
Read comments
Apr 26 2018
  RSA18938  Micropus californicus Roxana S. Ferris 1938-4-15 9400 San Joaquin Near gravel pit at the mouth of Corral Hollow. 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
  CAS-BOT-BC348403  Micropus californicus var. californicus Carl B. Wolf 1937-3-31 8396 San Joaquin San Joaquin Valley, mouth of Hospital Canyon, SW. of Vernalis 106 Comment
  CDA8380  Micropus californicus var. californicus T. C. Fuller 1962-4-24 8237 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  UC1745715  Micropus californicus var. californicus Annetta M. Carter, Louise Darling, Leo Whitney, Robert Hoover et al. 1935-4-21 784 San Joaquin Near ''Castle Rock''. 19 mi. from Livermore on Tesla Rd. 167 Comment
  CAS-BOT-BC348801  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow-Livermore Road 152 Comment
  RSA21626A  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC604926  Microseris campestris Roxana S. Ferris 1938-4-15 9413 San Joaquin hillside near mouth of Elk Ravine; Cow Hollow-Livermore Road 152 Comment
  JEPS35604  Microseris douglasii subsp. tenella R. F. Hoover 1937-5-6 2084 San Joaquin 5 mi se Stockton Comment
  UCD96866  Microseris douglasii subsp. tenella Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6921 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Parking area right next to entrance gate next to Corral Hollow Road. Comment
  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
  JEPS22956  Mimulus douglasii Volney Rattan 1887-3-17 San Joaquin Live Oaks Mokelumne River Comment
  RSA138282  Mimulus douglasii Volney Rattan 1886-3-15 s.n. San Joaquin Live Oaks. Comment
  SEINET7072566  Mimulus guttatus A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at Route 8 about 7 miles east-norheast of Linden. Coordinate datum: NAD 27. UTM Zone 10, 675930mE, 4215074mN. Comment
  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
  JEPS6968  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (in field e of road toward Lockeford) Comment
  UC1051656  Mimulus latidens Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1986 San Joaquin 0.6 mi n Collegeville (field e of road toward Lockeford) Comment
  RSA113966  Mimulus latidens Francia Chisaki, Peter Kamb, S. Galen Smith 1951-4-14 1986 San Joaquin On road toward Lockeford, 0.6 mile N of Collegeville. Comment
  UCD122692  Mimulus microphyllus Marvin Nies 1951-4-1 29 San Joaquin 7 miles east of Lodi. Comment
  JEPS39992  Mimulus nasutus Paul C. Hutchison 1963-3-24 2677 San Joaquin 1.7 mi s Amador County line (on Hiway 88, 4.3 mi n of Mokelumne River Bridge) Comment
  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
  RSA138307  Mimulus pilosus Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks. Comment
  SEINET7072568  Mimulus rubellus A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at Route 8 about 7 miles east-norheast of Linden. Coordinate datum: NAD 27. UTM Zone 10, 675930mE, 4215074mN. Comment
  RSA27965  Mimulus tricolor C. L. Hitchcock 1940-5-12 6367 San Joaquin 3 miles south of Galt. 16 Comment
  UC767409  Mimulus tricolor R. F. Hoover 1937-4-23 1918 San Joaquin 7 mi e Stockton Comment
  RSA409097  Mimulus tricolor E. E. Stanford 1930-4-12 1277 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  UCD122955  Mimulus tricolor Marvin L. Nies 1951-4-7 37 San Joaquin 8 miles east of Lodi. Comment
  JEPS42873  Mollugo verticillata W. L. Jepson 1923-10-22 10282 San Joaquin San Joaquin City, Lower San Joaquin River Lower San Joaquin River; San Joaquin City, Lower San Joaquin River Comment
  CAS-BOT-BC435047  Mollugo verticillata John Thomas Howell 1930-6-28 5326 San Joaquin Banta Junction, 1 mile from Banta Comment
  CAS-BOT-BC220047  Monardella breweri subsp. lanceolata Volney Rattan 1881-7-2 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC220048  Monardella breweri subsp. lanceolata Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC220050  Monardella breweri subsp. lanceolata Volney Rattan 1886-6-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC221669  Monardella candicans Volney Rattan 1880-6-1 s.n. San Joaquin Live Oaks Comment
  RSA20137  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin Corral Hollow - Livermore Road. 152 Comment
  UC604932  Monolepis nuttalliana Roxana S. Ferris 1938-4-15 9421 San Joaquin near mouth of Elk Ravine (Corral Hollow-Livermore Rd.) 152 Comment
  OBI18697  Monolopia lanceolata Carl B. Wolf 1937-3-31 8401 San Joaquin W side of San Joaquin Valley, Hospital cyn 137 Comment
  CAS-BOT-BC349637  Monolopia major Serena Philips 1915-4-2 s.n. San Joaquin Near Tracy Comment
  SJSU3175  Monolopia major R. Takaha 1958-3-6 San Joaquin Corral Hollow, between Livermore & Tracy Comment
  UC1211929  Monolopia major John H. Weiler and A. P. Nelson 1961-2-27 697 San Joaquin Atomic Energy Commission territory, at the roadside, this road leads to the drop tower and is about 1 mi s of it Corral Hollow Comment
  UC50087  Monolopia major J. A. Sanford 1890-1 16 San Joaquin French Camp 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
  UC629754  Monolopia major Ethel Crum 1930-3-16 590 San Joaquin near Tracy 15 Comment
  CAS-BOT-BC349638  Monolopia major A. H. Ashley 1920-4-20 s.n. San Joaquin Morada near Stockton Comment
  CDA23978  Montia fontana G. D. Barbe, T. C. Fuller, J. B. Gianelli 1973-4-6 1173 San Joaquin 4.3 miles east of Bellota on SR 26, 1 mile west of Wimer Road (Calaveras Co. line) eastern San Joaquin County. 0 Comment
  CDA15559  Morus alba G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14890 San Joaquin Caswell Memorial State Park; Near Stanislaus R. at intersection of Majestic Oaks and River Bend trail. Comment
  CAS-BOT-BC275160  Muhlenbergia richardsonis H. M. Hall; H. P. Chandler 1900-7-1 628 San Joaquin S Fork, San Joaquin River Comment
  UC1153848  Muhlenbergia rigens Beecher Crampton 1955-9-7 3155 San Joaquin flat 3.7 mi s Thornton 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
  UC766279  Muilla maritima R. F. Hoover 1946-4-13 6077 San Joaquin near lower end; Corral Hollow Comment
  CAS-BOT-BC515640  Muilla maritima Lincoln Constance; Alan A. Beetle 1940-3-21 2526 San Joaquin Castle Rock, Corral Hollow; California Innter Coast Qanoes 213 Comment
  SEINET10570436  Muilla maritima Lincoln Constance, Alan A. Beetle 1940-3-21 Constance 2526 San Joaquin Corm deep-seated; perianth greenish-white. Dry thin soil on conglomerate of Summit with dicholostemma and allium, castle rock, corral hollow 213 Comment
  UCSB852  Muilla maritima Constance, Lincoln; Beetle, Alan 1940-3-21 San Joaquin Castle Rock, Corral Hollow 213 Comment
  UC634959  Myosurus minimus H. L. Mason April 1930 5548 San Joaquin 10 mi e Stockton Comment
  UC708133  Myosurus minimus Charles V. Piper 1921-5-26 San Joaquin Stockton Comment
  UC767506  Myosurus minimus R. F. Hoover 1940-4-27 4367 San Joaquin River Road near San Joaquin City Comment
  RSA61664  Myosurus minimus var. filiformis Peter Kamb, Francia Chisaki 1951-4-14 1895 San Joaquin 0.6 mile north of Collegeville on road toward Lockeford Comment
  UC9323  Myosurus sessilis J. Burtt Davy 1893-11-13 San Joaquin Stockton Comment
  UC1178886  Myriophyllum hippuroides Herbert L. Mason 1938-8-26 12074 San Joaquin Trappers Slough, Roberts Island Comment
  UCD96875  Nassella cernua Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6928 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Ridge southeast of (above) Amsinckia grandiflora canyon. Comment
  UC23654  Navarretia intertexta J. A. Sanford 1890-1 58 San Joaquin Stockton Comment
  JEPS70366  Navarretia leucocephala W. L. Jepson 1902-5-18 1823 D San Joaquin Clements 40 Comment
  UCD33078  Navarretia leucocephala Beecher Crampton 1966-5-3 7690 San Joaquin San Joaquin County, ca. 7 3/4 miles N.N.E. of Lodi, intersection of Liberty and Bruella roads. Comment
  CDA40129  Navarretia leucocephala T. C. Fuller 1962-5-1 8924 San Joaquin Highway 12 to Wallace, 2.0 miles east of Clements. 0 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
  UC762150  Navarretia pubescens R. F. Hoover 1935-6-12 650 San Joaquin Farmington Comment
  CAS-BOT-BC233608  Navarretia pubescens E. E. Stanford 1930-4-26 1427 San Joaquin Copperopolis Road W of Peters Comment
  UC990706  Navarretia tagetina Roxana S. Ferris 1953-5-15 12649 San Joaquin ca 1 mi w rd betw. Everett Sch. & intersection w/Bellota-Farmington rd Comment
  UCD58740  Navarretia tagetina Charlotte Kimball 2007-5-14 s.n. San Joaquin 1500 ft. southwest of the spillway of Comanche Reservoir. 60 Comment
  UC24178  Nemophila heterophylla J. A. Sanford San Joaquin Stockton Comment
  JEPS104716  Nemophila menziesii J. L. and F. L. Morrison 1938-3-6 2771 San Joaquin steep slope NE of Castle Rock, Corral Hollow, Mount Hamilton Range 350 Comment
  POM225049  Nemophila pedunculata Lincoln Constance, A. A. Beetle 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow. 198 Comment
  POM256417  Nemophila pedunculata H. L. Mason 1932-3-19 6824 San Joaquin 2 miles east of Midway, between Mountain House and Tracy. Comment
  SBBG29931  Nemophila pedunculata L. Constance 1940-3-20 2525 San Joaquin Castle Rock, Corral Hollow 198 Comment
  RSA135390  Nicotiana acuminata Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch. Comment
  UCSB18573  Nicotiana acuminata Boyles, Robert 1964-5-18 San Joaquin 50 feet S of Brookside Road; 1.2 miles W of Pershing Ave 3 Comment
  CDA25629  Nicotiana acuminata var. multiflora G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13086 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  JEPS12277  Nicotiana acuminata var. multiflora R. F. Hoover 1935-8-3 702 San Joaquin 5 mi sw Ripon Comment
  SEINET3237953 Image available Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2007-10-13 13086 San Joaquin Northern San Joaquin Valley; along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  UC26153  Nicotiana acuminata var. multiflora J. Burtt Davy 1893-11-13 409 San Joaquin Stockton Comment
  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
  CDA5776  Nicotiana acuminata var. multiflora M. S. Bergseng, H. S. Bugbee 1959-6-11 2584 San Joaquin Freethy Ranch, Ripon. 0 Comment
  CAS-BOT-BC233461  Nicotiana glauca L. Beane 1949-1-1 s.n. San Joaquin Fifteen miles south-west of Tracy Comment
  JEPS12392  Nicotiana glauca W. L. Jepson 1923-10-22 10269 San Joaquin Union Island San Joaquin River (lower San Joaquin River) Comment
  POM146110  Nicotiana glauca E. E. Stanford 1926-10-19 71 San Joaquin Stockton. Levee, San Joaquin River. Comment
  UC26155  Nicotiana quadrivalvis J. A. Sanford 44 San Joaquin French Camp 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
  RSA478853  Nitrophila occidentalis E. E. Stanford 1930-5-10 1475 San Joaquin West Ripon Road. 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
  UCD124113  Nuttallanthus texanus J. C. Tothill 1958-4-13 s.n. San Joaquin State Highway 8, ca. 15 miles east of Lodi. 57 Comment
  JEPS43951  Oenothera deltoides subsp. cognata W. L. Jepson 1896-6-27 14479 San Joaquin between Mossdale and Atlanta Comment
  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
  UCD123188  Orobanche californica subsp. jepsonii G. F. Hrusa 1992-8-26 9569 San Joaquin Caswell Memorial State Park. Open road immediately west of burn pile. Comment
  UCD18385  Orobanche californica subsp. jepsonii Glen Holstein 1976-9-4 14 San Joaquin campground at Caswell Memorial State park. 15 Comment
  CDA42362  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-A San Joaquin Northwest of Holt, in field south of West Neugerbauer Road, north of West McDonald Road and west of North Holt Road. Landplane Field 3I-12. 0 Comment
  CDA42393  Orobanche ramosa McCoon, Pelletier & Williamson 2014-8-5 PDR# 390 P06219811-B San Joaquin North of Holt, in field north of West McDonald Road. Field 7 Number 11-7. 0 Comment
  CDA42395  Orobanche ramosa Williamson, Medina 2014-8-7 PDR# 390 P06189424 San Joaquin Northwest of Holt, in 34 acre field just north of West McDonald Road. 0 Comment
  CAS-BOT-BC502931  Orobanche ramosa D. Y. Rosenberg 1964-8-20 s.n. San Joaquin Robert's Island, N side of Hwy 4, 0.25 mi E of Inland Dr. Comment
  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
  CDA6513  Orobanche ramosa C. W. Nichols 1959-7-28 San Joaquin West side Roberts Road, 1 mile south of Highway 4, Roberts Island, ca 3 miles southwest of Stockton. 0 Comment
  UC625468  Orobanche uniflora subsp. occidentalis Frank W. Gould 1938-4-10 160 San Joaquin Mount Hamilton Range Corral Hollow, in vicinity of Castle Rock. Comment
  RSA0087772  Orobanche uniflora subsp. occidentalis Frank W. Gould 1938-4-10 160 San Joaquin East end of Corral Hollow in vicinity of Castle Rock. 182 Comment
  CDA42028  Orobanche vallicola P. Switzenberg 1964-7-13 s.n. San Joaquin Bank of the Mokelumne River, L. Thompson Property, Route 2, Box 192, Lodi. 0 Comment
  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
  RSA402012A  Orthocarpus erianthus E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET12270168  Orthocarpus erianthus L. D. Thurman 1963-1 120 San Joaquin 2.1 mi E of Calaveras River bridge on state highway 8 Comment
  UCD110796  Oxalis micrantha G. F. Hrusa; S. A. Wagner 1992-4-22 9242 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC253682  Panicum capillare L. R. Abrams 1917-9-14 6741 San Joaquin 3 miles NW of of Stockton, Calaveras River Comment
  CDA25209  Panicum capillare G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13095 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  SBBG47343  Panicum capillare P. Rubtzoff 1965-7-27 5584 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area) Comment
  UCD89383  Panicum capillare Alan A. Beetle 1946-8-5 4410 San Joaquin 3 miles north of Lockford. 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
  RSA227228B  Panicum dichotomiflorum Peter Rubtzoff 1965-7-13 5580 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UCD36787  Panicum dichotomiflorum Beecher Crampton 1955-9-7 3153 San Joaquin 6.4 miles S of Thornton. Comment
  UCD96923  Papaver heterophyllum Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6958 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  SEINET3821616 Image available Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18441 San Joaquin San Joaquin Valley, along CA-4, 0.4 mile east of Farmington (Farmington 7.5' Q) 41 Comment
  UC1146586  Paspalum dilatatum Freed W. Hoffman 1942-6-6 2128 San Joaquin between Escalon and Manteca Comment
  UCR232673  Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2011-10-15 18437 San Joaquin San Joaquin Valley, along CA-26, 0.6 mile northeast of Escalon-Bellota Rd. 40 Comment
  SEINET10226670 Image available Paspalum dilatatum Ira L. Wiggins 1934-6-25 6942 San Joaquin Ditch 3.2 miles east of Escalon on road to Oakdale Comment
  CAS-BOT-BC259740  Paspalum distichum Harriet A. Walker 1907-9-8 908 San Joaquin Sathrop Comment
  UCD88907  Paspalum distichum Beecher Crampton 1955-9-7 3150 San Joaquin Vail Road, 2.5 miles northwest of Thornton. Comment
  UCD88920  Paspalum distichum G. F. Hrusa; S. A. Wagner 1992-7-8 9176 San Joaquin Caswell Memorial State Park. Comment
  SEINET10592977  Paspalum distichum E. E. Stanford 1927-8-31 Stanford 697 San Joaquin Stockton. Forming tangled mats in wet sand in Cal. R. bottom. Comment
  CAS-BOT-BC169720  Pectocarya anisocarpa Roxana S. Ferris 1938-4-15 9398 San Joaquin Near gravel pit at the mouth of Corral Hollow Comment
  JEPS20126  Pectocarya linearis subsp. ferocula R. F. Hoover 1938-4-9 3043 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  UC766193  Pectocarya linearis subsp. ferocula R. F. Hoover 1938-4-9 3043 San Joaquin hill between Castle Rock and Black Butte Corral Hollow Comment
  JEPS68203  Pectocarya penicillata W. L. Jepson 1922-4-2 9592 San Joaquin Mount Hamilton Range, Coral Hollow, Castle Rock 182 Comment
  UC1601642  Pectocarya penicillata R. F. Hoover 1938-2-27 2798 San Joaquin Corral Hollow, Castle Rock Comment
  UC600982  Pectocarya penicillata Marjorie E. Olney 1938-3-6 48 San Joaquin Corral Hollow Mount Hamilton Range, Corral Hollow Comment
  UC766023  Pectocarya penicillata R. F. Hoover 1938-4-9 3029 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  UC766194  Pectocarya setosa Robert F. Hoover 1938-4-9 3042 San Joaquin between Castle Rock and Black Butte Corral Hollow Comment
  CAS-BOT-BC258799  Pennisetum clandestinum T. C. Fuller 1962-11-28 9929 San Joaquin L. A. Dyke prop., w. side of Hwy 50 to Tracy, 0.5 mi. s. of Thomsen Rd., ca. 1 mi. w. of Lathrop Comment
  CAS-BOT-BC413599  Persicaria amphibia E. E. Stanford 1927-9-26 717 San Joaquin Stockton Comment
  CAS-BOT-BC413600  Persicaria amphibia John Thomas Howell 1930-9-28 5522 San Joaquin Holt Comment
  CAS-BOT-BC413602  Persicaria amphibia Brian Atwater 1978-8-18 BA- 42 San Joaquin Between Quinby Island and Franks Tract Comment
  CAS-BOT-BC418890  Persicaria hydropiperoides Ira L. Wiggins 1940-8-12 9532 a San Joaquin 1 mi. NW. of San Joaquin River bridge on U. S. Highway 50 Comment
  CAS-BOT-BC418889  Persicaria hydropiperoides L. R. Abrams 1920-9-30 7786 San Joaquin Near Bank Comment
  CAS-BOT-BC419064  Persicaria lapathifolia John Thomas Howell 1929-9-21 4416 San Joaquin Holt Comment
  CAS-BOT-BC419065  Persicaria lapathifolia Herbert L. Mason 1928-9-30 4970 San Joaquin San Joaquin Delta near Holt Comment
  UCD99439  Persicaria lapathifolia Rimo Bacigalupi; L. Constance 1962-8-13 8716 San Joaquin Eastern side of San Joaquin River, just north of bridge of the Durham Ferry Road, and just north of site of San Joaquin City. 3 Comment
  UCD99488  Persicaria lapathifolia G. F. Hrusa; S. A. Wagner 1992-8-9 9357 San Joaquin Caswell Memorial State Park. On Stanislaus River below campgrounds. Comment
  CAS-BOT-BC419252  Persicaria maculosa John Thomas Howell 1929-9-21 4414 San Joaquin Holt Comment
  UCD99573  Persicaria maculosa G. F. Hrusa; S. A. Wagner 1992-7-8 9146 San Joaquin Caswell Memorial State Park. Oxbow Lake. 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-BC419380  Persicaria punctata E. E. Stanford 1927-9-26 726 San Joaquin Stockton Comment
  UCD99796  Persicaria punctata P. B. Kennedy 1929-10-3 s.n. San Joaquin Lyons Ranch. Terminous. Comment
  POM299077  Phacelia ciliata J. T. Howell 1929-3-27 4106 San Joaquin Four miles west of Tracy. Comment
  RSA21263  Phacelia ciliata Carl B. Wolf 1937-3-31 8377 San Joaquin San Joaquin Valley, 3 mi. e. of Tracy at junction with Vernalis Road. 8 Comment
  JEPS2245  Phacelia ciliata var. ciliata W. L. Jepson 1922-4-2 9593 San Joaquin Tracy Comment
  JEPS2268  Phacelia ciliata var. ciliata A. D. Tenney 1915-4-7 San Joaquin Tracy Comment
  JEPS2180  Phacelia distans W. L. Jepson 1896-6-27 21013 San Joaquin between Mossdale School and Atlanta (plains e of river) Comment
  RSA426082  Phacelia distans E. E. Stanford 1930-4-5 1223 San Joaquin Hospital Canyon. Comment
  JEPS2341  Phacelia douglasii R. F. Hoover 1938-4-9 3037 San Joaquin Hill between Castle Rock and Black Butte (lower part of Corral Hollow); Corral Hollow Comment
  UC596134  Phacelia douglasii R. F. Hoover 1938-2-27 2800 San Joaquin Castle Rock Corral Hollow (type locality) Comment
  UC625442  Phacelia douglasii Frank W. Gould 1938-3-6 37 San Joaquin in vicinity of Castle Rock Corral Hollow 182 Comment
  UC767531  Phacelia douglasii R. F. Hoover 1938-4-9 3025 San Joaquin 1 mi n Corral Hollow (near Alameda Co. line) Comment
  JEPS1291  Phacelia tanacetifolia A. D. Tenney 1915-4-17 San Joaquin Tracy Comment
  POM65418  Phacelia tanacetifolia C. F. Baker 1903-4-25 2907 San Joaquin Tracy. Comment
  UCD88159  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Near Terminous. Lyons ranch. Comment
  UCD88162  Phalaris aquatica P. B. Kennedy 1929-10-3 s.n. San Joaquin Terminous. Lyons ranch. Comment
  CAS-BOT-BC265835  Phalaris arundinacea Brian Atwater 1978-8-24 BA- 119 San Joaquin Fourteenmile Slough, between Rindge Tract and Wright Tract Comment
  CAS-BOT-BC265839  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CAS-BOT-BC265840  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  CDA2275  Phalaris arundinacea T. C. Fuller 1958-12-18 1667 San Joaquin Ray Road, 100 yards south of Sargent Road, southwest of Lodi. 0 Comment
  RSA356908  Phalaris arundinacea E. E. Stanford 1930-5-30 1532 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD88505  Phalaris arundinacea Beecher Crampton 1965-7-12 7455 San Joaquin 5.7 miles S of Thornton, Thornton Road. Comment
  RSA582106  Phalaris lemmonii E. E. Stanford 1930-5-3 1466 San Joaquin Kettleman-Terminus Road. 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
  POM146096  Phalaris minor E. E. Stanford 1927-4-21 172 San Joaquin Stockton; on campus. 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
  UC593305  Pholistoma membranaceum R. F. Hoover 1938-2-27 2792 San Joaquin Castle Rock, Corral Hollow Corral Hollow; Castle Rock, Corral Hollow 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
  UC6091  Phoradendron macrophyllum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  UCD102188  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa; S. A. Wagner 1992-3-4 9061 San Joaquin Caswell Memorial State Park. Comment
  UC6092  Phoradendron villosum F. T. Bioletti 1892-1 San Joaquin Tracy Comment
  RSA249405  Phragmites australis J. D. Ackerman, A. Montalvo 1973-12-20 125 San Joaquin Between Highway 4 and Middle River town Comment
  UCD89833  Phragmites australis Franz R. Kegel 1984-2-1 s.n. San Joaquin San Joaquin County. Comment
  UCD89853  Phragmites australis Collector Unknown 1928-9-30 s.n. San Joaquin near Holt. Comment
  SEINET10659954  Phragmites communis E. E. Stanford Stanford 1874 San Joaquin Along sloughs in San Joaquin Delta. Jones Tract. Comment
  CDA39033  Phyla nodiflora D. G. Kelch 2011-10-4 11 .838 San Joaquin Approx. 7 km west of Orestimba. Stuhr Rd east of I-5 along Orestimba Creek. Comment
  CDA9729  Phyla nodiflora Jim Allan 2007-6-25 PDR# 1431930 San Joaquin Stockton; 1868 E. Hazelton. Comment
  RSA82208  Phyla nodiflora Annetta Carter 1933-5-12 303 San Joaquin About 5 miles west of Thornton. Comment
  UCD39026  Phyla nodiflora Beecher Crampton 1960-8-9 5763 San Joaquin 3 miles NE of Vernalis, old site of San Joaquin City, at crossing of Durham Ferry Road with San Joaquin River. Comment
  RSA18620  Phyla nodiflora Carl B. Wolf 1937-6-10 8771 San Joaquin San Joaquin Valley, 8 mi S of Stockton on Manteca Road. -8 Comment
  CAS-BOT-BC58239  Phyllodoce breweri T. J. Blestou 1912-7-30 s.n. San Joaquin Upper Chiquita, San Juaquin Sierra Nevada. Comment
  CDA3320  Phytolacca americana J. Chapman, J. L. Joos 1961-4-25 San Joaquin Stockton. 0 Comment
  CAS-BOT-BC76933  Pilularia americana John Thomas Howell 1930-4-12 4683 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  CAS-BOT-BC76963  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt. 15 Comment
  JEPS13011  Pilularia americana Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-13 5071 San Joaquin 2.2 mi w Calaveras Co. line (along State Hwy. 8, on 1st. rolling foothills of Sierra Nevada); Sierra Nevada foothills 53 Comment
  RSA25384  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 miles south of Galt 16 Comment
  UC810867  Pilularia americana C. L. Hitchcock 1940-5-12 6355 San Joaquin 3 mi s Galt 15 Comment
  RSA21451  Plagiobothrys C. B. Wolf 1937-3-31 8385 San Joaquin San Joaquin Valley, 0.5 mi N of Vernalis. 30 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
  RSA8529  Plagiobothrys acanthocarpus J. T. Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  UC517460  Plagiobothrys acanthocarpus John Thomas Howell 1933-3-26 10885 San Joaquin Corral Hollow Comment
  UC573058  Plagiobothrys acanthocarpus H. L. Mason 1932-3-19 6828 San Joaquin 2 mi e Midway (Tracy highway) Comment
  UC767640  Plagiobothrys arizonicus R. F. Hoover 1938-4-9 3038 San Joaquin hill betw. Castle Rock and Black Butte; Corral Hollow Comment
  JEPS60925  Plagiobothrys austiniae W. L. Jepson 1938-4-14 18682 San Joaquin hills about headwaters of Goose Creek (ne part of co.) Comment
  UCR266203  Plagiobothrys austiniae David J. Keil 2005-3-13 30355 San Joaquin Sierra Nevada Mountains, just west of Amador County line along CA Route 88, 5.5 miles northeast of Mokelumne River bridge 82 Comment
  UC1872923  Plagiobothrys austiniae David Keil 2005-3-13 30355 San Joaquin Just W of Amador County line along California Route 88, 5.5 mi NE of Mokelumne River bridge. Low western foothills of Sierra Nevada with wide, flat valleys with vernal pools. 82 Comment
  UC1051629  Plagiobothrys bracteatus Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1989 San Joaquin about 2 mi e Collegeville (on road toward Valley Home) Comment
  CDA40684  Plagiobothrys bracteatus T. C. Fuller 1962-5-1 8337 San Joaquin North of Ione Road, 0.5 mile east of schoolhouse, 2 miles north of Clements. 0 Comment
  POM268864  Plagiobothrys canescens E. E. Stanford 1930-4-5 1241 San Joaquin Hospital Canyon. Comment
  POM63833  Plagiobothrys canescens C. F. Baker 1903-4-25 2786 San Joaquin Tracy. Comment
  UC25042  Plagiobothrys canescens J. A. Sanford 1890-1 96 San Joaquin French Camp 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
  CAS-BOT-BC6466  Plagiobothrys infectivus Robert Francis Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  JEPS68054  Plagiobothrys infectivus R. F. Hoover 1937-4-3 1744 San Joaquin lower end Corral Hollow Comment
  POM259067  Plagiobothrys infectivus J. T. Howell 1938-4-10 13757 San Joaquin Hospital Canyon. Comment
  UC596229  Plagiobothrys infectivus R. F. Hoover 1938-4-10 3067 San Joaquin Lower Hospital Canyon Comment
  UC766026  Plagiobothrys infectivus R. F. Hoover 1937-4-3 1744 San Joaquin lower end Corral Hollow Comment
  UCR62341  Plagiobothrys leptocladus L. F. LaPre 1990-5-10 s.n. San Joaquin Borden Ranch, 7 mi north of Clements. 79 Comment
  POM195906  Plagiobothrys nothofulvus E. E. Stanford 1929-4-7 1037 San Joaquin Peters. Comment
  POM368903  Plagiobothrys nothofulvus E. E. Stanford 1930-4-17 1324 San Joaquin Clements Road. Comment
  UC762854  Plagiobothrys reticulatus R. F. Hoover 1937-4-23 1925 San Joaquin 7 mi e Stockton Comment
  UC24570  Plagiobothrys stipitatus J. A. Sanford 1890-1 101 San Joaquin French Camp Comment
  POM146113  Plagiobothrys stipitatus E. E. Stanford 1927-3-17 112 San Joaquin Near Stockton. Comment
  SEINET13276685 Image available Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Elizabeth Helmkamp 2013-1 20226 San Joaquin East end of San Joaquin Valley: Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. (Farmington 7.5' Q.) 52 Comment
  UC573149  Plagiobothrys stipitatus var. micranthus Herbert L. Mason 1928-5-3 4454 San Joaquin 4 mi n Clements 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
  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
  JEPS5097  Plagiobothrys stipitatus var. stipitatus Rimo Bacigalupi and Alex Hawkes 1951-4-21 3259 San Joaquin just e city limits (next to back yard of dwelling, along State Hwy 4); Stockton Comment
  JEPS68138  Plagiobothrys tenellus W. L. Jepson 1922-4-2 9575 San Joaquin Corral Hollow Mt. Hamilton Range 182 Comment
  UC571928  Plagiobothrys tenellus C. W. and H. K. Sharsmith 1935-3-3 1487 San Joaquin open hillslope at eastern end Corral Hollow; Mt. Hamilton Range 228 Comment
  UC79222  Plagiobothrys trachycarpus Katharine Brandegee April 1889 San Joaquin Tracy Comment
  UC79223  Plagiobothrys trachycarpus E. L. Greene 1884-4-21 San Joaquin near Tracy 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
  POM193905  Planodes virginica J. T. Howell 1930-4-12 4684 San Joaquin 7 miles from Escalon on road to Stockton. Comment
  UC28004  Plantago elongata J. A. Sanford 1890-1 116 San Joaquin Waverly Comment
  JEPS6410  Plantago erecta W. L. Jepson 1922-4-2 9557 San Joaquin mouth of Corral Hollow, w San Joaquin County Mt. Hamilton Range 152 Comment
  OBI60004  Plantago erecta Joseph Andorfer Ewan 1934-3-4 8615 San Joaquin 2 mi E Carnegie, Corral Hollow Comment
  RSA401996B  Plantago erecta E. E. Stanford 1930-4-5 1249 San Joaquin Hospital Canyon. 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
  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
  JEPS7144  Plantago major W. L. Jepson 1923-10-22 10272 San Joaquin Union Island Lower San Joaquin River Comment
  JEPS7189  Plantago ovata R. F. Hoover 1938-4-9 3053 San Joaquin Corral Hollow, Black Butte at lower end Black Butte, Corral Hollow Comment
  SD51700  Plantago truncata subsp. firma S. G. Smith, H. L. Mason and D. Stone 1957-5-24 2942 San Joaquin Highway 8, 0.5 mile west of Calaveras County line. Comment
  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
  RSA0004642  Platystemon arvorum C. F. Baker 1903-4-25 3199 San Joaquin Tracy. Comment
  CAS-BOT-BC6407  Platystemon californicus Charles Fuller Baker 1903-4-25 2780 San Joaquin Tracy Comment
  CAS-BOT-BC91960  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin 0.5 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC91961  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin 0.5 mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  CAS-BOT-BC91963  Platystemon californicus Alice Eastwood; John Thomas Howell 1935-4-7 2098 San Joaquin East end of Corral Hollow. Comment
  CAS-BOT-BC91964  Platystemon californicus Alice Eastwood 1917-4-2 s.n. San Joaquin Banta. Comment
  UC604925  Platystemon californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin on the Livermore Road 1/2 mi w mouth of Corral Hollow; w of mouth of Corral Hollow 152 Comment
  UC724687  Platystemon californicus H. K. Sharsmith 1935-3-3 1486 San Joaquin Corral Hollow; Mount Hamilton Range, Corral Hollow 228 Comment
  UC75132  Platystemon californicus C. F. Baker 1903-4-25 2780 San Joaquin Tracy Comment
  UC767119  Platystemon californicus Robert F. Hoover 1935-3-1 246 San Joaquin five mi s Tracy; s of Tracy Comment
  SEINET10891673 Image available Platystemon californicus Charles F. Baker 1903-4-25 Baker 3199 San Joaquin Tracy. Occasional in sandy fields. Comment
  RSA21627  Platystemon californicus var. californicus Roxana S. Ferris 1938-4-15 9408 San Joaquin Half mile west of gravel pit at mouth of Corral Hollow on the Livermore Road. 152 Comment
  RSA445722  Platystemon californicus var. californicus E. E. Stanford 1930-4-12 1304 San Joaquin Mariposa Road 15 miles SE of Stockton Comment
  SEINET4854350  Platystemon tortuosus Carl F. Baker 1903-4-25 2780 San Joaquin Tracy. Comment
  UCD90151  Pleuropogon californicus var. californicus Beecher Crampton 1966-5-3 7683 San Joaquin ca. 7 and 3/4 miles N.N.E. of Lodi, Liberty and Bruella roads. Comment
  RSA484179  Poa annua C. R. Quick 1929-3-18 s.n. San Joaquin Campus, Stockton Comment
  UCR207842  Poa annua George K. Helmkamp, E. A. Helmkamp 2009-3-26 14454 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  CAS-BOT-BC247260  Poa palustris E. E. Stanford 1927-4-27 200 San Joaquin Louis Park. On San Joaquin River banks Comment
  UCD96924  Poa secunda Ellen Dean; Clare Loughran, Mary Shea, Wilde Legard, 2011-4-22 6959 San Joaquin Contra Costa Water District land (recently purchased), Carnegie Canyon Area at 32322 Corral Hollow Road west of CA-580 just north of junction with Interstate 5. Canyon with Amsinckia grandiflora population. Upper end of population. Comment
  JEPS76764  Poa secunda subsp. secunda L. R. Heckard 1974-4-25 3673 San Joaquin 1/2 mi e of Almeda Co line Corral Hollow (just w of Drop Tower No. <no. not given>, grounds of Atomic Energy Commission, U of CA testing site) 304 Comment
  UC157040  Poa secunda subsp. secunda C. F. Baker 1903-4-25 2776 San Joaquin Tracy 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
  RSA83445  Pogogyne douglasii E. E. Stanford 1930-04 s.n. San Joaquin Northern part of the county. Comment
  UC573475  Pogogyne douglasii R. D. Roseberry 1935-5-13 168 San Joaquin two miles southwest of Wallace 121 Comment
  UC6640  Polygonum amphibium J. A. Sanford 1890-1 San Joaquin Stockton Comment
  JEPS50530  Polygonum amphibium var. emersum W. L. Jepson 1913-11-22 5692 San Joaquin Middle River San Joaquin Delta Comment
  UC1192337  Polygonum amphibium var. emersum Herbert L. Mason 1928-9-30 4968 San Joaquin near Holt; San Joaquin Delta Comment
  UC463080  Polygonum amphibium var. emersum Annetta M. Carter 1931-7-29 236 San Joaquin slough near Middle R. Bridge (Borden Hwy to Stockton); San Joaquin R. Comment
  RSA464434  Polygonum aviculare C. R. Quick 1929-4-22 s.n. San Joaquin Campus, Stockton, San Joaquin County 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
  UCD58738  Polygonum californicum Charlotte Kimball 2007-5-14 s.n. San Joaquin Comanche Reservoir. 1000 ft. SW of spillway. 60 Comment
  CAS-BOT-BC414349  Polygonum californicum Mrs. H. C. Cantelow 1935-5-14 826 San Joaquin Bet. Lodi and San Andreas Comment
  RSA109322  Polygonum coccineum A. M. Alexander, Louise Kellogg 1943-6-26 3455 San Joaquin San Joaquin county: Middle River bridge, San Joaquin River (Byron-Stockton Hwy) Comment
  JEPS74997  Polygonum hydropiper L. R. Heckard and P. Rubtzoff 1971-9-15 2806 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  UCR123381  Polygonum hydropiper Lisa Kegarice 1993-6-22 s.n. San Joaquin Sacramento Valley, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River 0 Comment
  UC6630  Polygonum hydropiperoides Michener and Bioletti Sept. 1892 San Joaquin San Joaquin Bridge Comment
  POM196320  Polygonum hydropiperoides E. E. Stanford 1929-10-25 1176 San Joaquin Near Stockton Comment
  JEPS33278  Polygonum lapathifolium Rimo Bacigalupi, and L. Constance 1962-8-13 8716 San Joaquin e side of river just n bridge of the Durham Ferry Road (just n of site of San Joaquin City); San Joaquin River 3 Comment
  UC1101164  Polygonum lapathifolium Herbert L. Mason 1928-9-30 4970 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC465849  Polygonum lapathifolium Harriet A. Walker 1907-9-8 927 San Joaquin Lathrop Comment
  UC465851  Polygonum lapathifolium Harriet A. Walker 1907-9-8 928 San Joaquin Lathrop Comment
  UC6723  Polygonum lapathifolium J. Burtt Davy 1893-9-13 1182 San Joaquin Stockton Comment
  UCR128286  Polygonum lapathifolium Pam Wright, Louis LaPierre 2003-5-9 s.n. San Joaquin Sacramento Valley, 1 mile south of Collegeville, southeast of Stockton and east of French Camp, off Littlejohn Creek immediately west of Jack Tone Road and south of BNSF railroad line, 55 acre Mariposa mitigation site (created in 2000) 17 Comment
  PASA1505  Polygonum muhlenbergii Annetta M. Carter 1931-7-29 236 San Joaquin San Joaquin R. slough near Middle R. Bridge, Borden Hiway to Stockton Comment
  JEPS77904  Polygonum persicaria Edward Lee 1934-7-4 956 San Joaquin Holt Comment
  JEPS75000  Polygonum punctatum L. R. Heckard and P. Rubtzoff 1971-9-15 2805 San Joaquin along Airport Way 2.6 mi s junction of West Ripon road (ca 7 mi sw of Manteca) Comment
  JEPS77907  Polygonum punctatum Edward Lee 1934-7-4 958 San Joaquin Holt Holt (roadside marsh) Comment
  UC1191267  Polygonum punctatum Herbert L. Mason 1928-9-30 4969 San Joaquin near Holt; Alkaline Grasslands of San Joaquin Valley, San Joaquin Del Comment
  UC60910  Polygonum punctatum N. K. Berg 1903-12-12 San Joaquin Rough and Ready <Isl.?> San Joaquin <?> Comment
  CDA22849  Polygonum punctatum var. leptostachyum M. Switzenberg 1958-9-24 San Joaquin Hale Ranch, Highway 120, west of Seidner Avenue. 0 Comment
  UC6755 Image available Polygonum ramosissimum J. Burtt Davy 1893-11-11 1199 San Joaquin Stockton Comment
  CAS-BOT-BC71852  Polypodium californicum Genevieve Prlain 1976-5-2 s.n. San Joaquin county park on Mokelumne River below Camanche Dam 27 Comment
  UC73790  Polypogon monspeliensis Mr. Sanford San Joaquin Stockton Comment
  CDA20543  Pontederia cordata F. Zarate 2005-7-1 PDR 1349506 San Joaquin San Joaquin Delta; 14 Mile Slough, outside of Stockton, E of I-5. 0 Comment
  CAS-BOT-BC102644  Populus fremontii E. E. Stanford 1930-4-5 1232 San Joaquin Hospital Canyon Comment
  UCD110628  Populus fremontii subsp. fremontii G. F. Hrusa; S. A. Wagner 1992-4-22 9244 San Joaquin Caswell Memorial State Park, more along the Stanislaus River banks. Comment
  UC127961  Portulaca oleracea Harriet A. Walker 1907-9-8 925 San Joaquin Lathrop, near RailRoad Station Lathrop Comment
  CDA19210  Potamogeton crispus R. Woolstrum 2001-4-3 PDR 005387 San Joaquin In pond at 1237 Jackson Rd., Lodi. 0 Comment
  UC564065  Potamogeton diversifolius Ira L. Wiggins 1934-8-17 6978 A San Joaquin 3.2 mi e of Escalon (on Yosemite Highway) Comment
  UCD138277  Potamogeton diversifolius W. A. Harvey; D. E. Bayer 1962-6-27 s.n. San Joaquin property of Al Sorrenti, around 5 miles northeast of Escalon. 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
  UC60856  Potamogeton nodosus J. A. Sanford 52 San Joaquin West Stockton Comment
  JEPS44167  Potentilla rivalis F. T. Bioletti Apr 1892 San Joaquin Tracy Comment
  SEINET780045  Proboscidea louisianica subsp. louisianica George K. Helmkamp, E. A. Helmkamp 2008-10-9 14240 San Joaquin San Joaquin Valley, Dogtown, c. 12 mi NE of Lodi, Collier Road at Mackville Road, 1.1 mi W of CA-88 37 Comment
  UC766953  Proboscidea louisianica subsp. louisianica Robert F. Hoover 1936-7-31 1583 San Joaquin Farmington Comment
  UCD54530  Proboscidea lutea Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2711 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  SJSU1705  Prosopis glandulosa var. torreyana C. W. Sharsmith 1955-9-11 6294 San Joaquin Corral Hollow Comment
  CDA27765  Prosopis juliflora var. torreyana A. R. Tugel 1938-6-23 San Joaquin Railroad tracks near Tracy. 0 Comment
  CAS-BOT-BC356384  Pseudognaphalium beneolens Volney Rattan 1880-10-23 s.n. San Joaquin Rattan's Ranch, Live Oaks Comment
  CAS-BOT-BC356989  Pseudognaphalium luteoalbum Roxana S. Ferris 1953-5-15 12648 San Joaquin On road between Everett School and intersection with Bellota-Farmington Road, ca. 1 mile W of intersection Comment
  CAS-BOT-BC357573  Pseudognaphalium stramineum E. E. Stanford 1926-10-7 41 San Joaquin Stockton. Calavers R. bottom 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
  CAS-BOT-BC361809  Psilocarphus brevissimus var. brevissimus Roxana S. Ferris 1953-5-15 12652 San Joaquin On road betw. Everett School & intersection with Bellota-Farmington road, ca. 2 mi. W of intersection Comment
  JEPS40486  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1935-6-12 645 San Joaquin Farmington San Joaquin Valley Comment
  JEPS40491  Psilocarphus brevissimus var. brevissimus R. F. Hoover 1937-4-23 1923 San Joaquin 7 mi e Stockton Comment
  UC1070080  Psilocarphus brevissimus var. brevissimus R. D. Roseberry 1935-5-15 181 San Joaquin 4 mi nw Milton; Jackson Quad. 121 Comment
  UC694151  Psilocarphus brevissimus var. brevissimus H. L. Mason 1932-4-24 6968 San Joaquin 11 mi s Clements Comment
  JEPS40502  Psilocarphus oregonus R. F. Hoover 1937-4-23 1922 San Joaquin 7 mi e Stockton Comment
  UC768472  Pterostegia drymarioides R. F. Hoover 1938-4-9 3046 San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  CAS-BOT-BC86615  Quercus douglasii E. E. Stanford 1930-4-5 1214 San Joaquin Hospital Canyon Comment
  UCR253500  Quercus lobata George K. Helmkamp, Elizabeth Helmkamp 2012-10-26 20076 San Joaquin San Joaquin Valley, Rock Creek, at East Sonora Road, 1.3 miles southeast of CA-4 50 Comment
  UCR77116  Quercus lobata G. Fred Hrusa 1992-8-25 9546 San Joaquin Caswell Memorial State Park. Comment
  UCD47111  Quercus palustris D. Q. Cavagnaro 1963-10-13 220 San Joaquin In ca. 1 mile long line of trees of this species on south side of State Highway 12, outskirts of Lodi, San Joaquin County, California. Comment
  CAS-BOT-BC104667  Quercus wislizeni Lewis S. Rose 1936-3-16 36023 San Joaquin Lockeford 60 Comment
  UC596207  Ranunculus californicus R. F. Hoover 1935-3-1 276 San Joaquin 5 mi sw Ripon Comment
  UC766207  Ranunculus californicus Robert F. Hoover 1935-3-1 276 San Joaquin 5 mi sw Ripon Comment
  UC69624  Ranunculus californicus J. Burtt Davy Mar 29 1897-Apr 5 1897 3108 San Joaquin near Tulare; San Joaquin Valley Comment
  POM146098  Ranunculus canus E. E. Stanford 1927-3-24 119 San Joaquin San Joaquin County: Stockton Comment
  UCR238409  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2012-4-7 18724 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  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
  CDA24356  Ranunculus sceleratus T. C. Fuller, Via Livestock Dis. 1959-4-23 2261 San Joaquin M. L. Kantroak, Austin & French Camp Roads, Manteca. 0 Comment
  CDA25632  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13087 San Joaquin Northern San Joaquin Valley; Along Highway CA-88, 1.0 mile southwest of Clements at Disch Road. Comment
  UCR232213  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17073 San Joaquin Upper San Joaquin Valley, between Lodi and Galt, Forest Lake Road just west of CA-99 27 Comment
  UCR253608  Raphanus sativus George K. Helmkamp 2014-3-18 22578 San Joaquin San Joaquin Valley, along Hwy CA-88 on the southwest side of the border with Calaveras County, 7.1 mi. SW (220 deg. ) of Ione 87 Comment
  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
  CDA25563  Ribes quercetorum T. C. Fuller 1962-4-24 8217 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CDA25565  Ribes quercetorum T. C. Fuller 1971-4-21 19838 San Joaquin Inner Coast Ranges; Lone Tree Creek Canyon. 0 Comment
  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
  CAS-BOT-BC74433  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
  UC117552  Rorippa curvisiliqua var. occidentalis Michener and Bioletti Apr 1892 San Joaquin Tracy Comment
  JEPS53863  Rorippa palustris Harriet A. Walker 1907-9-8 903 San Joaquin Lathrop Comment
  JEPS75002  Rorippa palustris L. R. Heckard and P. Rubtzoff 1971-9-15 2804 San Joaquin ca 7 mi s.w. Manteca (along Airport Way 2.6 mi s. of junction of West Ripon Rd.) Comment
  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
  UC114693  Rosa californica T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  UC173118  Rosa californica Katharine Brandegee 1914-9-27 San Joaquin San Joaquin River Bridge Comment
  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
  UCD89024  Rubus ursinus Lindsay Clark 2008-5-8 CSP 6 A San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station. Follow trail with 'no lifeguard' sign to picnic area, bear right. Next to 'closed for restoration sign,' halfway through first picnic area on right. 14 Comment
  UCD89029  Rubus ursinus Lindsay Clark 2008-5-8 CSP 22 San Joaquin In Caswell Memorial State Park, at the end of Austin Rd, picnic area on the left 0.3 miles after ranger station, about 20 yards northwest of bathroom. 31 Comment
  CAS-BOT-BC422290  Rumex californicus E. E. Stanford 1927-5-26 436 San Joaquin Stockton Comment
  UC465804  Rumex conglomeratus J. A. Sanford 46 San Joaquin Comment
  UC6938  Rumex conglomeratus J. A. Sanford 1890-1 27 San Joaquin Stockton Comment
  CAS-BOT-BC421723  Rumex conglomeratus John Thomas Howell 1930-9-28 5521 San Joaquin Holt Comment
  OBI37082  Rumex crispus Debbie Sperry 1983-11-11 6 San Joaquin Just outside of Stockton-corner of Davis and Eight Mile Rds Comment
  UCD101144  Rumex crispus G. F. Hrusa; S. A. Wagner 1992-4-22 9287 San Joaquin Caswell Memorial State Park. Upper reaches of the beach at the easternmost end of the park. Comment
  CAS-BOT-BC433494  Rumex fueginus Peter Rubtzoff 1965-7-27 5585 San Joaquin San Joaquin River at Airport Way crossing (Tracy-Ripon area). Comment
  UC769821  Rumex maritimus R. F. Hoover 1940-12-7 4713 San Joaquin 2 mi e Midway Comment
  CDA2889  Rumex obtusifolius T. C. Fuller 1958-9-3 1196 -58 San Joaquin 0.1 miles west of Farmington. 0 Comment
  UC8374  Sagina apetala J. A. Sanford 1890-1 395 San Joaquin Waverly Comment
  UC115501  Sagittaria T. S. Brandegee 1901-9-9 San Joaquin San Joaquin Bridge Comment
  POM313040  Sagittaria calycina Malcolm A. Nobs 1948-9-25 692 San Joaquin Irrigation canal, 0.25 mile W of Stockton. Comment
  CAS-BOT-BC445717  Sagittaria latifolia Brian Atwater 1978-8-24 BA- 105 San Joaquin Between Rindge [Ridge] Tract and Wright Tract Comment
  CAS-BOT-BC445816  Sagittaria montevidensis Malcom A. Nobs 1948-9-25 692 San Joaquin 1/4 mile west of Stockton Comment
  UC935751  Sagittaria montevidensis subsp. calycina Herbert L. Mason and Verne Grant 1946-8-21 13057 San Joaquin between Banta and Stockton Comment
  NY311494  Sagittaria sanfordii J. A. Sanford 06 1891 s.n. San Joaquin Comment
  UC550  Sagittaria sanfordii J. A. Sanford Sept 1901 San Joaquin Stockton Comment
  CAS-BOT-BC126263  Salix X sepulcralis E. E. Stanford 1927-3-11 101 San Joaquin Point Lewis, Stockton Comment
  POM146137  Salix babylonica E. E. Stanford 1927-3-11 101 San Joaquin Point Lewis, Stockton Comment
  POM362932  Salix babylonica E. E. Stanford 1930-4-28 1450 San Joaquin Near San Joaquin River. Comment
  CAS-BOT-BC129664  Salix bonplandiana Peter H. Raven; R. Alava; R. Ornduff; S. Woodcox 1957-3-30 10555 San Joaquin Corral Hollow Comment
  CAS-BOT-BC129665  Salix bonplandiana E. E. Stanford 1928-3-20 830 San Joaquin Near Peters 45 Comment
  RSA181506  Salix exigua I. L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mile W of main channel of San Joaquin River. Between Tracy and Manteca. Comment
  UCD110929  Salix exigua G. F. Hrusa; S. A. Wagner 1992-4-22 9248 San Joaquin Caswell Memorial State Park. Comment
  UC1134881  Salix exigua var. hindsiana R. W. Lundh Jun 1932 114 San Joaquin 4 mi s.e. Tracy (San Joaquin R.); Carbona Quadrangle 15 Comment
  UC1134898  Salix exigua var. hindsiana R. D. Roseberry 1935-5-13 162 San Joaquin Mokelmune R., Plot #118 Jackson Quadrangle 60 Comment
  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
  POM196336  Salix gooddingii E. E. Stanford 1928-5-12 1016 San Joaquin Sacramento Road. Near Sacramento Co Line. Comment
  UCD110959  Salix gooddingii G. F. Hrusa; S. A. Wagner 1992-4-22 9271 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC108240  Salix hindsiana E. E. Stanford 1927-4-20 166 San Joaquin Near Stockton, along Calaveras River Comment
  CAS-BOT-BC108242  Salix hindsiana Ira L. Wiggins 1964-5-26 19019 San Joaquin Slough 1 mi. W. of main channel of San Joaquin River, between Tracy & Manteca Comment
  CAS-BOT-BC108244  Salix hindsiana Barrett Anderson 1987-7-15 3558 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota. 35 Comment
  UCR63938  Salix laevigata L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  CAS-BOT-BC125359  Salix lasiandra var. lasiandra E. E. Stanford 1929-3-26 1020 San Joaquin Stockton, Levee, San Joaquin River Comment
  CAS-BOT-BC125361  Salix lasiandra var. lasiandra E. E. Stanford 1930-4-28 1449 San Joaquin Bank of San [Joquin] Joaquin River near Stockton Comment
  POM362796  Salix lasiolepis C. R. Quick 1929-2-18 s.n. San Joaquin N of Campus. Stockton. Comment
  UC499337  Salix lasiolepis Annetta M. Carter 1933-3-12 269 San Joaquin 0.5 mi sw Holt (by slough) Comment
  UC499338  Salix lasiolepis Annetta M. Carter 1933-3-12 270 San Joaquin 0.5 mi sw Holt (by slough) Comment
  UCR124952  Salix lasiolepis C. R. Quick 1929-2-18 s.n. San Joaquin North of the campus of the College of the Pacific, Stockton 8 Comment
  CAS-BOT-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
  POM196034  Salix lucida subsp. lasiandra E. E. Stanford 1929-3-26 1020 San Joaquin Stockton. Near San Joaquin River. Comment
  RSA0038367  Salix sessilifolia var. hindsiana E. E. Stanford 1928-4-30 943 San Joaquin Calaveras River. Comment
  CDA5801  Salpichroa origanifolia H. D. Bowers 1959-10-7 San Joaquin Near Stockton. 0 Comment
  CDA20229  Salsola australis M. Pitcairn 2003-10-23 s.n. San Joaquin San Joaquin Valley; N of Tracy, E of Bethany on levee rd. 3 Comment
  CDA9299  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18527 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA9301  Salsola australis G. F. Hrusa, R. Rhode 2013-11-8 18529 San Joaquin San Joaquin Valley; 1/2 mi. NW of Holt townsite on Hwy 4, along Lower Jones Rd. -2 Comment
  CDA20621  Salsola tragus G. F. Hrusa 2005-11-14 16840 San Joaquin San Joaquin Valley; Stockton. Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. 7 Comment
  CDA20808  Salsola tragus P. Akers 2005-11-14 s.n. San Joaquin Central California; Davis Rd. +/- 200 ft. S of 8 Mile Rd., E of Interstate 5 +/- 1.5 mi. at bridge just S of 8 Mile Rd. 0 Comment
  CDA21009  Salsola tragus P. Akers 2002-10-9 RT- 022 -1 San Joaquin San Joaquin Valley; Just W of I-5 offramp at Menthey Rd. & Louie Ave, 1/2 mi. S of Lathrop. 7 Comment
  CDA21011  Salsola tragus P. Akers 2002-10-9 RT- 020 -1 San Joaquin San Joaquin Valley; W of Interstate 5 on 8 Mi. Rd., 10 mi. NW of Stockton. 0 Comment
  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
  UCR247342  Salsola tragus Pat Akers 2002-10-9 RT- 020 -01 San Joaquin Just west if I-5 on 8 mile Rd., 10 miles NW of Stockton -1 Comment
  UCR247343  Salsola tragus Pat Akers 2002-10-9 RT- 021 -01 San Joaquin Just east if I-5 on Iron Canyon Circle at Windcave Rd., between Pixley Slough and Bear Creek, 7 miles NW of Stockton 12 Comment
  UC416727  Salvia carduacea Benj. Cobb 10 San Joaquin Tracy Comment
  UC614854  Salvia carduacea Beryl O. Schreiber 1932-3-27 143 San Joaquin near Midway Comment
  UC614853  Salvia columbariae Beryl O. Schreiber 1932-3-29 143 San Joaquin near Midway Comment
  UC762477  Salvia columbariae R. F. Hoover 1937-3-19 2817 San Joaquin 1 mi n Corral Hollow (near Alameda County line) Comment
  RSA97098  Salvia columbariae Elizabeth McClintock 1950-3-26 s.n. San Joaquin Corral Hollow [This creek runs from Alameda county into San Joaquin and then back to Alameda county.] Comment
  UCR257999  Salvia hispanica Franz R. Kegel 1976-1 s.n. San Joaquin Stockton, weed in backyard garden 8 Comment
  CAS-BOT-BC474712  Salvia hispanica Franz R. Kegel 1976-12-1 s.n. San Joaquin Stockton Comment
  UCD19299  Salvia hispanica Franz R. Kegel, F. A. 1976-12-1 s.n. San Joaquin Stockton. Comment
  CDA40975  Salvia mellifera T. C. Fuller 1962-4-24 8215 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  CAS-BOT-BC238596  Sambucus nigra subsp. caerulea Barrett Anderson 1987-7-15 3556 San Joaquin SSC site on the Calaveras River along Shelton Road east of Bellota 35 Comment
  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
  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
  UC683296  Schoenoplectus acutus Alan A. Beetle 1940-4-21 2616 San Joaquin 3.8 mi across Victoria Island (10 mi w of Stockton); w of Stockton, Victoria Island Comment
  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
  UC1100775  Schoenoplectus acutus var. occidentalis Verne Grant, Herbert L. Mason 1946-8-21 13070 San Joaquin Middle River Bridge , Middle River Bridge (Victoria Island) Comment
  CAS-BOT-BC111295  Schoenoplectus acutus var. occidentalis Ernest Elwood Stanford 1927-5-26 431 San Joaquin Stockton. In sand in Calaveras River bottom. Comment
  RSA366088  Schoenoplectus fluviatilis Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  CAS-BOT-BC110878  Scirpus microcarpus Brian Atwater 1978-8-16 BA- 33 San Joaquin Old River between Quinby Island and Franks Tract Comment
  RSA483307  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  RSA582100  Scribneria bolanderi E. E. Stanford 1930-4-12 1282 San Joaquin Mariposa Road 16 miles SE of Stockton. Comment
  CAS-BOT-BC214215  Scutellaria bolanderi Volney Rattan 1885-6-5 s.n. San Joaquin Mokelumne Hill Comment
  CAS-BOT-BC419677  Scutellaria galericulata Brian Atwater 1978-8-22 BA- 74 San Joaquin Between Victoria Island and Upper Jones Tract Comment
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Jul 22 2018
  CAS-BOT-BC419678  Scutellaria galericulata Brian Atwater 1978-8-18 BA- 47 San Joaquin Between Quinby Island and Franks Tract Comment
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Jul 22 2018
  JEPS120463  Scutellaria lateriflora Daniel Slakey 2013-8-24 65 San Joaquin Sacramento/San Joaquin River Delta, on the eastern edge of a small island just west of Islemouth Slough and Westgate Landing County Park. Comment
  UC104313  Scutellaria lateriflora T. S. Brandegee 1892-9-6 San Joaquin Bouldin Island Comment
  CAS-BOT-BC240066  Secale cereale T. C. Fuller 1969-5-20 18477 San Joaquin S. side of Lathrop Rd., 0.1 mi. w. of Union Rd., 2 mi. e. of Lathrop Comment
  CDA2408  Secale cereale T. C. Fuller 1969-5-2 18477 San Joaquin South side of Lathrop Road, 0.1 mile west of Union Road, 2 miles east of Lathrop. 0 Comment
  SFV8764  Sedella pumila D. E. Schmidt 1960-4-9 31 San Joaquin Field on south side of road outside of Linden, 5 miles east of State Highway 8. Comment
  UCD101988  Sedella pumila D. E. Schmidt 1960-4-9 31 San Joaquin outside of Linden, 5 miles east of State Highway 8. Comment
  CDA32058  Sesbania punicea N. Barve 2010-8-18 s.n. San Joaquin Whisky Pond adjacent to the San Joaquin River. 0 Comment
  CDA32083  Sesbania punicea N. Barve 2010-9-1 s.n. San Joaquin On levee road at the end of Empire Tract Road, downstream of Herman and Helen s Marina. 0 Comment
  JEPS33283  Sesuvium verrucosum Rimo Bacigalupi and L. Constance 1962-8-13 8721 San Joaquin just n of town of Lathrop (along base of Southern Pacific Railway, just s of crossing of Lathrop Road); Southern Pacific Railway 5 Comment
  JEPS42888  Sesuvium verrucosum W. L. Jepson 1896-6-27 San Joaquin below Banta and Lathrop Comment
  UC127983  Sesuvium verrucosum Harriet A. Walker 1907-9-8 887 San Joaquin Lathrop Comment
  UCD97010  Sesuvium verrucosum Rimo Bacigalupi; L. Constance 1962-8-13 8721 San Joaquin Along base of Southern Pacific Railway embankment just south of crossing of Lathrop Road; just north of town of Lathrop. 5 Comment
  UCD69390  Sesuvium verrucosum J. Wycoff 1997-8-1 s.n. San Joaquin North of the city of Modesto, east of hwy 99, near the intersection of Dodds and Van Allen roads, agricultural fields of Faria Dairy. Comment
  JEPS68543  Setaria pumila W. L. Jepson 1923-10-22 10276 San Joaquin Lower San Joaquin, Union Isl. Comment
  UC1100460  Setaria pumila Herbert L. Mason 1946-9-12 13127 San Joaquin slough s. of main ditch, Borden Hwy., near Dagget Rd., Roberts Isl. Roberts Isl. Comment
  CAS-BOT-BC240163  Setaria verticillata M. K. Bellue 1938-1-1 s.n. San Joaquin Near Lodi Comment
  RSA115225  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin Calaveras River basin, 2 miles NE of Linden, San Joaquin County Comment
  UCD37051  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin San Joaquin County, 2 miles northeast of Linden, Calaveras River Basin. Comment
  UCD92813  Setaria verticillata Beecher Crampton 1956-7-30 3742 San Joaquin 2 miles northeast of Linden, Calaveras River Basin. Comment
  RSA115223  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 mi southwest of Lodi Comment
  UCD36790  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin San Joaquin County, 0.75 miles south of Thornton. Comment
  UCD92833  Setaria viridis Beecher Crampton 1955-9-7 3156 San Joaquin 0.75 mile south of Thornton. Comment
  UCD92835  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin 5 miles southwest of Lodi. Along State Hwy. 12. Comment
  UCD92855  Setaria viridis G. F. Hrusa; S. A. Wagner 1992-8-9 9347 San Joaquin Caswell Memorial State Park. Comment
  UCR132389  Setaria viridis Beecher Crampton 1956-7-31 3764 San Joaquin Central Valley, 5 miles southwest of Lodi 6 Comment
  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
  UC763048  Sidalcea diploscypha R. F. Hoover 1937-5-18 2184 San Joaquin French Camp 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
  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
  CAS-BOT-BC74916  Sinapis arvensis J. F. Rock 1917-6-1 s.n. San Joaquin Near Stockton. Comment
  SD240949  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2012-4-7 18723 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs 7.5'Q) 52 Comment
  UCR238408  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2012-4-7 18723 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  CAS-BOT-BC75292  Sisymbrium officinale E. E. Stanford 1927-4-21 171 San Joaquin Stockton. On Campus. Comment
  RSA431754  Sisymbrium officinale Clarence R. Quick 1929-4-22 s.n. San Joaquin North of Campus. Stockton. Calaveras River bottom. Comment
  UCD115727  Sisymbrium officinale G. F. Hrusa; S. A. Wagner 1992-4-22 9317 San Joaquin Caswell Memorial State Park, in the main trail to the west of the Hidden Lake. Comment
  UCR142979  Sitanion jubatum E. E. Stanford 1930-5-25 1523 San Joaquin Sacramento Valley, Harney Lane [Lodi] Comment
  UC21391  Sium suave Edw. L. Greene 1890-1 San Joaquin Stockton Comment
  UC765518  Sium suave Robert F. Hoover 1935-9-7 720 San Joaquin Union Island Comment
  CHSC53739  Solanum americanum L. P. Janeway; Frances Biles, Frank Wernette 1988-6-2 2725 San Joaquin Narrow island in Middle River ca 1/2 mi E of the Tracy Road bridge; ca 10 mi SW of Stocton. 1 Comment
  JEPS12057  Solanum americanum W. L. Jepson 1923-10-22 10271 San Joaquin lower San Joaquin River, Union Island San Joaquin River; Union Island, San Joaquin River Comment
  UC204935  Solanum americanum Dr. Edward Palmer Aug 22 1892-Aug 23 1892 2689 San Joaquin near Tracy Comment
  UC26218  Solanum americanum J. A. Sanford 1890-1 57 San Joaquin Stockton Comment
  CDA5927  Solanum americanum T. Gantenbein 1993-8-19 San Joaquin Staten Island. 0 Comment
  CDA5919  Solanum aviculare J. F. Silva 1961-6-7 San Joaquin Escalon. 0 Comment
  RSA18393  Solanum douglasii Carl B. Wolf 1927-6-23 514 San Joaquin 1 mile east of Rippon [Ripon], Stanislaus River Bottom. Comment
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Sep 17 2012
  UCD32453  Solanum elaeagnifolium Beecher Crampton 1950-8-27 644 San Joaquin Tracy. Comment
  CAS-BOT-BC156488  Solanum umbelliferum A. Eastwood; J. T. Howell 1938-4-18 5074 A San Joaquin Hospital Canyon Comment
  CAS-BOT-BC156838  Solanum umbelliferum V. Rattan 1877-3-1 s.n. San Joaquin Live Oaks Comment
  CAS-BOT-BC157547  Solanum umbelliferum J. T. Howell 1930-9-28 5512 San Joaquin Holt Comment
  CAS-BOT-BC385870  Solidago canadensis Brian Atwater 1894-7-1 BA- 23 San Joaquin Between Quinby Island and Granks Tract Comment
  UC36501  Solidago velutina subsp. californica Michener and Bioletti Sept 1892 San Joaquin San Joaquin Bridge 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
  CAS-BOT-BC374570  Sonchus oleraceus E. E. Stanford 1927-3-29 126 San Joaquin Stockton Comment
  UC1099802  Sparganium erectum subsp. stoloniferum Herbert L. Mason and Verne Grant 1946-9-12 13124 San Joaquin about 6 mi s Stockton (on Borden Highway) Comment
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Sep 25 2008
  UC767173  Spergula arvensis subsp. arvensis Robert F. Hoover 1935-3-16 344 San Joaquin Farmington Comment
  UCR232267  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2011-3-12 17079 San Joaquin Upper San Joaquin Valley, Buena Vista Road, 0.1 mile east of its junction with CA-88 67 Comment
  SEINET7040101  Spergularia arvensis A. G. Vestal 1963-5-27 s.n. San Joaquin Ca 7.7 miles east of Linden on Route 8. Valley Springs SW Quad. UTM Zone 10, 675782mE, 4215039mN. Comment
  CAS-BOT-BC390076  Spergularia atrosperma G. T. York 1935-4-2 s.n. San Joaquin South slope about 3 mi up the canyon, Corral Hollow Comment
  CAS-BOT-BC390248  Spergularia macrotheca var. leucantha E. E. Stanford 1928-4-5 838 San Joaquin Stockton Comment
  UC465942  Spergularia macrotheca var. leucantha Katharine Brandegee 1907-5-7 San Joaquin Lathrop Comment
  RSA582097  Sporobolus airoides E. E. Stanford 1930-5-31 1539 San Joaquin Durham Ferry Road. Comment
  UCD93035  Sporobolus airoides Beecher Crampton 1960-8-9 5773 San Joaquin 7.5 miles W of Ripon, along Durham Ferry Road. Comment
  UCD93113  Sporobolus cryptandrus Beecher Crampton 1965-10-26 7553 San Joaquin 1.5 miles N of Lodi on US Hwy. 99. Comment
  CAS-BOT-BC235469  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin S. side of Mariposa Rd., 0.1 mi. w. of Dodds Rd., 4 mi. n.w. of Escalon Comment
  CDA2524  Sporobolus indicus T. C. Fuller 1971-1-29 19812 San Joaquin Dayton Johnson property, west side of Atkins Road, 1.3 miles south of Hwy 88, 1.5 miles southwest of Clements. 0 Comment
  UCD78015  Sporobolus indicus Robert E. Preston 2004-9-3 2292 San Joaquin Ca. 9.9 miles NE of Lodi, along Liberty Rd, 0.1 mile E of Coyote Creek 30 Comment
  UCD93152  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin 4 miles NW of Escalon, 0.1 mile W of Dodds Road, S side of Mariposa Road. Comment
  UCD93153  Sporobolus indicus T. C. Fuller 1970-12-15 19807 San Joaquin 4 miles NW of Escalon, 0.1 mile W of Dodds Road, S side of Mariposa Road. Comment
  CDA39782  Sporobolus indicus R. Pelletier 2013-12-16 PDR# 390 P06129570 San Joaquin Linden; Frazier Road near Clements Road. 0 Comment
  RSA262448  Sporobolus indicus var. indicus R. Baskett 1971-8-9 s.n. San Joaquin Dayton Johnson place, 1.5 miles south of U. S. Highway 88 and 1/4 mile west of Atkins Road, ca. 2 miles southwest of Clements. Comment
  RSA18401  Stachys Carl B. Wolf 1927-6-23 503 San Joaquin 1 mile west of San Joaquin River, between Tracy and Manteca. Comment
  RSA82584  Stachys ajugoides E. E. Stanford 1930-5-31 1538 San Joaquin Durham Ferry Road. Comment
  UC25914  Stachys ajugoides var. ajugoides J. A. Sanford 1890-1 2 San Joaquin Stockton Comment
  JEPS62977  Stachys albens W. L. Jepson 1913-11-22 5697 San Joaquin Middle River Lower San Joaquin Comment
  UC157921  Stachys albens J. A. Sanford 229 San Joaquin Robert's Island 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
  SEINET13948000 Image available Stachys albens George Neville Jones 1967-1 46097 San Joaquin along irrigation ditch near Manteca 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
  UCD125803  Stachys albens G. F. Hrusa; S. A. Wagner 1992-7-8 9162 San Joaquin Caswell Memorial State Park; Oxbow Lake. Comment
  CAS-BOT-BC374793  Stebbinsoseris heterocarpa Alice Eastwood; John Thomas Howell 1935-4-7 2091 San Joaquin East end of Corral Hollow Comment
  UCR207840  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-3-26 14452 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, about 0.2 mile north of the Mokelumne River 43 Comment
  CAS-BOT-BC393869  Stellaria media E. E. Stanford 1927-3-29 127 San Joaquin Stockton Comment
  UCD162349  Stellaria neglecta Chuck Hughes 2015-1-28 415 San Joaquin Vacant lot fronting Boeing Way. 8 Comment
  RSA135371  Stellaria nitens Volney Rattan 1887-3-17 s.n. San Joaquin Live Oaks. 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
  UCR238411  Stellaria pallida George K. Helmkamp, E. A. Helmkamp 2012-4-7 18726 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  CAS-BOT-BC375090  Stephanomeria V. Rattan 1880-10-23 s.n. San Joaquin Live Oaks Comment
  UC35825  Stephanomeria virgata subsp. pleurocarpa F. T. Bioletti 1891-8-30 San Joaquin Lathrop Comment
  SEINET10861485  Stipa E. E. Stanford 1930-5-3 Stanford 1465 San Joaquin Liberty Rd. Open range. Comment
  POM143634  Streptanthus glandulosus C. F. Baker 1903-4-27 2785 San Joaquin Bethany Comment
  CDA24599  Stylomecon heterophylla T. C. Fuller 1962-4-24 8226 San Joaquin South of Corral Hollow Creek, ca. 8 miles southwest of Tracy. 0 Comment
  POM149332  Stylomecon heterophylla C. F. Baker 1903-4-23 2820 San Joaquin Bethany, San Joaquin County 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
  CDA34341  Suaeda moquinii E. Finley 1995-7-11 s.n. San Joaquin Dept. of Water Resources facility near Tracy. 0 Comment
  POM179674  Suaeda moquinii J. T. Howell 1930-10-11 5556 San Joaquin 5 miles south of Stockton Comment
  RSA438634  Suaeda moquinii E. E. Stanford 1930-5-28 1525 San Joaquin Lincoln Highway near French Camp Comment
  UCD134107  Symphyotrichum chilense G. F. Hrusa 1992-8-26 9558 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC98598  Symphyotrichum lentum L. R. Abrams 1917-9-14 6746 San Joaquin Eight miles south of Woodbridge Comment
  CAS-BOT-BC98599  Symphyotrichum lentum E. E. Stanford 1926-10-5 27 San Joaquin West soil along Calaversa River banks - Stockton Comment
  UC29815  Symphyotrichum spathulatum J. A. Sanford 1890-1 427 San Joaquin Comment
  UC29902  Symphyotrichum spathulatum J. Burtt Davy 1893-6-13 1200 San Joaquin Stockton Comment
  UC29903  Symphyotrichum spathulatum J. Burtt Davy 1893-11-13 1176 San Joaquin Stockton Comment
  JEPS31949  Symphyotrichum subulatum W. L. Jepson 1923-10-22 10273 San Joaquin Union Island Lower San Joaquin River, Union Island Comment
  JEPS82224  Symphyotrichum subulatum Rimo Bacigalupi, and L. Constance 1962-8-13 8709 San Joaquin just n, just w of crossing of Gates Rd, 3.7 mi e of San Joaquin River Bridge Maze Blvd. 12 Comment
  UC29840  Symphyotrichum subulatum H. P. Fitch 1888-8-1 138 San Joaquin Stockton Comment
  CAS-BOT-BC98291  Symphyotrichum subulatum var. parviflorum John Thomas Howell 1929-9-21 4405 San Joaquin Holt Comment
  CAS-BOT-BC98288  Symphyotrichum subulatum var. parviflorum David D. Keck 1931-10-18 1320 San Joaquin Escalon, in abandoned rice field. 38 Comment
  CAS-BOT-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
  UCD134157  Symphyotrichum subulatum var. parviflorum G. F. Hrusa; S. A. Wagner 1992-8-9 9350 San Joaquin Caswell Memorial State Park. Western part of park. Comment
  UCD14898  Tamarix aphylla Dennis Renault 1996-6-1 s.n. San Joaquin California, San Joaquin Co.; 10-12 mi south of Stockton, almost to Manteca, off of Route 99, west on French Camp Road about 200 ft. from intersection, in an old cemetery; Comment
  CAS-BOT-BC66606  Thysanocarpus curvipes Volney Rattan 1882-5-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-BC66608  Thysanocarpus curvipes Volney Rattan 1883-3-1 s.n. San Joaquin Live Oaks. Comment
  CAS-BOT-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-BC66611  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
  CAS-BOT-BC66614  Thysanocarpus curvipes Frank W. Gould 1940-3-12 882 San Joaquin Opposite Castle Rock, Corral Hollow, Mount Hamilton Range. 198 Comment
  JEPS18192  Thysanocarpus curvipes Rimo Bacigalupi with Carter, Chisaki, Tavares, and L. Mason 1956-4-5 5579 San Joaquin about 1.5 mi n of the Corral Hollow road in the first side canyon 0.45 mi to the ne of the Alameda-San Joaquin Co. line off Corral Hollow; first side canyon off of Corral Hollow 396 Comment
  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
  RSA0041663  Thysanocarpus curvipes var. elegans Volney Rattan 1883-03 s.n. San Joaquin Live Oaks, near Lodi. Comment
  UC11050  Thysanocarpus radians A. W. Gunnison Apr, 1896 San Joaquin Linden Comment
  CAS-BOT-BC67265  Thysanocarpus radians W. P. Steinbeck 1923-4-1 s.n. San Joaquin Near Stockton. Comment
  UCD33918  Thysanocarpus radians Beecher Crampton 1975-4-16 9142 San Joaquin 5 miles NNE of Lockeford along Liberty Road. Comment
  CAS-BOT-BC172886  Toxicodendron diversilobum Rattan 1886-6-1 s.n. San Joaquin Live Oaks of Mokelumne Riv. Comment
  CDA15565  Toxicodendron diversilobum G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14896 San Joaquin Caswell Memorial State Park; Along Majestic Oaks trail. Comment
  UC662466  Trachelium caeruleum Ruth Hoerl July, 1941 San Joaquin 1128 South Stanislaus Street, Stockton. Comment
  CDA4743  Tribulus terrestris W. S. Ball 1931-7-15 San Joaquin San Joaquin Valley 0 Comment
  UCR194983  Tribulus terrestris George K. Helmkamp, E. A. Helmkamp 2007-10-13 13094 San Joaquin Northern San Joaquin Valley, along Hwy CA-88, 1.0 mile southwest of Clements at Disch Road 37 Comment
  POM51465  Trichocoronis wrightii var. wrightii Katherine Brandegee 1914-9-27 s.n. San Joaquin San Joaquin Bridge Comment
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Apr 5 2007
  POM216534  Trichostema lanceolatum D. D. Keck 1931-10-18 1316 San Joaquin Simms Station, Tidewater Southern R.R., 7 miles E of Manteca. 23 Comment
  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
  SEINET13948211 Image available Trichostema lanceolatum C. R. Quick 1952-1 53 -342 San Joaquin Rolling plains, 6 miles NE of Linden Comment
  UCSB19802  Trichostema lanceolatum Piehl, Martin 1959-8-2 San Joaquin along Calif 88; ca. 1.5 mi from Amador Co. line Comment
  UC596561  Trifolium albopurpureum var. dichotomum R. F. Hoover 1938-4-9 3048 San Joaquin lower end Corral Hollow 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
  POM248722  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA91548  Trifolium depauperatum J. T. Howell 1938-4-3 13729 San Joaquin Corral Hollow. Comment
  RSA22056  Trifolium depauperatum var. amplectens L. S. Rose 1938-4-26 38205 San Joaquin Corral Hollow. 152 Comment
  UC86663  Trifolium depauperatum var. amplectens Lewis S. Rose 1938-4-26 33205 San Joaquin Corral Hollow 152 Comment
  POM21660  Trifolium dichotomum C. F. Baker 1903-4-26 2870 San Joaquin Tracy Comment
  CDA4280  Trifolium fragiferum R. J. Brewer 1968-6-27 San Joaquin R. J. Brewer property, 2613 Bonniebrook Drive, Stockton. 0 Comment
  SEINET12147999  Trifolium fucatum E. E. Stanford 1927-1 117 San Joaquin Stockton, near Smith's Canal Comment
  POM18698  Trifolium gracilentum C. F. Baker 1903-04 5057 San Joaquin Tracy Comment
  RSA18942  Trifolium gracilentum Roxana S. Ferris 1938-4-15 9394 San Joaquin Western end of Lynn Road between Carbona and mouth of Corral Hollow. 61 Comment
  RSA22368  Trifolium gracilentum L. S. Rose 38207 San Joaquin Corral Hollow 152 Comment
  UC750645  Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Corral Hollow 152 Comment
  SEINET3522793 Image available Trifolium gracilentum Lewis S. Rose 1938-4-26 38207 San Joaquin Open hills, Corral Hollow, San Joaquin County, California. 152 Comment
  POM349089  Trifolium hydrophilum E. E. Stanford 1928-3-5 839 San Joaquin Fields near Stockton. Comment
  UC631567  Trifolium microcephalum J. E. Reid San Joaquin Stockton Comment
  UCD111415  Trifolium microcephalum G. F. Hrusa; S. A. Wagner 1992-4-22 9312 San Joaquin Caswell Memorial State Park. Comment
  UCD109285  Trifolium pratense B. Forbes 1950-7-1 s.n. San Joaquin Linden. Comment
  UCD109357  Trifolium repens Morris Halperin 1930-7-15 s.n. San Joaquin County Hospital, French Camp. Comment
  JEPS4177  Trifolium willdenovii W. L. Jepson 1929-4-28 15197 San Joaquin Clements Comment
  POM18863  Trifolium willdenovii C. F. Baker 1903-4-24 2773 San Joaquin Tracy. Comment
  UC631155  Trifolium willdenovii P. B. Kennedy 1907-4-19 San Joaquin Ripon; on rr track Comment
  RSA21269  Trifolium willdenovii Carl B. Wolf 1937-3-31 8383 San Joaquin San Joaquin Valley, 2.5 mi. north of Vernalis on Tracy Road. 30 Comment
  UCD109860  Trifolium willdenovii June McCaskill; Jack Major 1958-4-10 555 San Joaquin North side of State Highway 12, 2.1 miles west of Wallace (1.4 miles west of turnoff to Camanche). 60 Comment
  UCD33921  Trifolium willdenovii Beecher Crampton 1975-4-16 9144 San Joaquin San Joaquin County, 3 miles north of Clements along Liberty road. Comment
  SEINET10458950  Triodanis biflora Sanford SANFORD 1890 -91 San Joaquin STOCKTON Comment
  SJSU15309  Triphysaria eriantha I. Bhend 1976-3-20 13 San Joaquin 9.7 miles south of Highway 4. Elev. 900-1200 ft. 274 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
  CAS-BOT-BC522286  Triteleia hyacinthina C. L. Hitchcock 1940-5-12 6366 San Joaquin 3 miles south of Galt 15 Comment
  CAS-BOT-BC522287  Triteleia hyacinthina E. E. Stanford 1928-5-12 950 San Joaquin Near Peters Comment
  RSA378022  Triteleia hyacinthina E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  SEINET12049479  Triteleia hyacinthina E. E. Stanford 1928-1 950 San Joaquin near Peters Comment
  UC3319  Triteleia laxa Mr. Cobb 1899-4-10 14 San Joaquin Tracy Comment
  CAS-BOT-BC526136  Triteleia laxa E. E. Stanford 1928-4-7 851 San Joaquin Near Collegeville Comment
  RSA378048A  Triteleia laxa E. E. Stanford 1930-4-18 s.n. San Joaquin Northeastern portion of the county. Comment
  CAS-BOT-BC67344  Tropidocarpum capparideum Charles Piper Smith 1922-4-13 3467 San Joaquin Tracy-Southern Pacific-Niles line. Comment
  CAS-BOT-BC67350  Tropidocarpum capparideum Edw. L. Greene 1888-3-25 s.n. San Joaquin Bethany. Comment
  JEPS54251  Tropidocarpum capparideum Benj. Cobb 1900-4-1 San Joaquin Tracy Comment
  UC117240  Tropidocarpum capparideum Michener and Bioletti 1892-1 San Joaquin Tracy Comment
  UC762956  Tropidocarpum capparideum R. F. Hoover 1937-4-3 1733 San Joaquin Tracy 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-BC73834  Tropidocarpum gracile E. E. Stanford 1930-4-5 1250 San Joaquin Hospital Canyon. Comment
  JEPS54244  Tropidocarpum gracile W. L. Jepson 1922-4-2 9573 San Joaquin Corral Hollow Mt. Hamilton Range (w San Joaquin Co.) 182 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
  UC614841  Tropidocarpum gracile Beryl O. Schreiber 1932-3-27 150 San Joaquin slope near Midway Comment
  UC762894  Tropidocarpum gracile Robert F. Hoover 1935-3-1 277 San Joaquin five mi se Tracy 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-BC200549  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi. e. of Escalon Comment
  JEPS71252  Tuctoria greenei R. F. Hoover 1936-6-8 1288 San Joaquin 2 mi e of Escalon Comment
  UC1241759  Typha domingensis Herbert L. Mason 1948-6-29 13576 San Joaquin one mi n Tracy; San Joaquin Valley Comment
  UC1241765  Typha domingensis Malcolm A. Nobs and S. Galen Smith 1949-7-7 927 San Joaquin two mi w Holt; San Joaquin Valley Comment
  UC1241766  Typha domingensis Malcolm A. Nobs and S. Galen Smith 1949-7-7 928 San Joaquin two mi w Holt; San Joaquin Valley Comment
  UCD94825  Typha domingensis 1948-6-29 13576 San Joaquin Alkaline 'Grasslands' of the San Joaquin Valley. One mile north of Tracy. Comment
  UC1005617  Uropappus lindleyi Frank W. Gould 1939-3-18 581 San Joaquin near Castle Rock (Corral Hollow, Mt. Hamilton Range); Mt. Hamilton Range, Corral Hollow 198 Comment
  UC450071  Urtica dioica subsp. gracilis N. K. Berg 1903-12-10 San Joaquin Rough and Ready Island Comment
  CAS-BOT-BC404011  Urtica dioica subsp. holosericea Brian Atwater 1978-8-22 BA- 53 San Joaquin Between Victoria Island and Upper Jones Tract Comment
  CAS-BOT-BC404013  Urtica dioica subsp. holosericea Volney Rattan 1885-6-1 s.n. San Joaquin Live Oaks Comment
  UCD143426  Urtica dioica subsp. holosericea Oren Pollak 1987-4-18 s.n. San Joaquin Caswell State Park. Comment
  JEPS43425  Urtica urens W. L. Jepson 1922-4-2 9588 San Joaquin Mount Hamilton Range, Corral Hollow, Castle Rock Castle Rock; Mount Hamilton Range, Corral Hollow, Castle Rock Comment
  UC1111555  Utricularia macrorhiza Herbert L. Mason 1937-6-21 11549 San Joaquin 0.5 mi. s.w. Holt (Trapper Slough, Roberts Isl.); Roberts Isl., Trapper Slough Comment
  UC1125583  Utricularia macrorhiza B. Schreiber 1937-8-22 2460 San Joaquin Holt Holt Quad., Holt 30 Comment
  UC767421  Verbascum blattaria R. F. Hoover 1935-8-3 701 San Joaquin 5 mi sw Ripon Comment
  UCR63951  Verbascum blattaria L. F. LaPre 1990-6-4 s.n. San Joaquin Borden Ranch, south side of Dry Creek 70 Comment
  JEPS11190  Verbascum thapsus R. F. Hoover 1938-7-30 3704 San Joaquin Clements Comment
  CDA15562  Verbena brasiliensis G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14893 San Joaquin Caswell Memorial State Park; Middle reaches of Fence Line trail. Comment
  CHSC79370  Verbena hastata Beecher Crampton 1955-9-7 3149 San Joaquin 2.5 miles northwest of Thorton, Vail Road. Comment
  UC635119  Verbena hastata Herbert L. Mason 1929-9-9 5425 San Joaquin near Holt Comment
  UCD125644  Verbena litoralis Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2714 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  UCD32788  Verbena litoralis Beecher Crampton 1954-8-14 2260 San Joaquin San Joaquin County, 5 miles south of Thornton on road to Stockton, across Walliam and Frey Dairy, irrigated pasture area. Comment
  UCD54533  Verbena litoralis Ellen Dean; Ann King, Dawn Cunningham 2005-9-27 2714 San Joaquin Southern boundary of city of Manteca. South side of Hwy 120, east of Interstate 5, just E of South Union Rd. 15 Comment
  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
  UCD125647  Verbena litoralis G. F. Hrusa 1992-8-26 9573 San Joaquin Caswell Memorial State Park. Comment
  JEPS75107  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-9-15 2803 San Joaquin 7 mi sw of Manteca (along Airport Way, 2.6 mi s of junction of West Ripon road) 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
  SEINET7072567 Image available Veronica peregrina subsp. xalapensis A. G. Vestal 1963-5-27 s.n. San Joaquin Duck Creek at Route 8 about 7 miles east-norheast of Linden. Coordinate datum: NAD 27. UTM Zone 10, 675930mE, 4215074mN. Comment
  UC27717  Veronica peregrina subsp. xalapensis J. A. Sanford 1890-1 156 San Joaquin French Camp Comment
  UCR249964  Veronica peregrina subsp. xalapensis George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20229 San Joaquin East end of San Joaquin Valley, Escalon Bellota Road (J6), 6.1 miles south of its junction with CA-26, 0.52 mi. S of Copperopolis Rd. 52 Comment
  RSA80068  Veronica persica E. E. Stanford 1928-2-20 781 San Joaquin Stockton. Comment
  SD241195  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-4-7 18727 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UCR143271  Veronica persica E. E. Stanford 1928-2-20 781 San Joaquin Sacramento Valley, Stockton 5 Comment
  UCR232282  Veronica persica George K. Helmkamp, E. A. Helmkamp 2011-3-12 17063 San Joaquin Northern San Joaquin Valley, Collier Road, 0.2 mile east of its junction with Suttenfield Road, 9.4 mi. NE (50 deg. ) of Lodi 40 Comment
  RSA398004  Vicia sativa E. E. Stanford 1930-4-17 1329 San Joaquin Clements Road. Comment
  UCD108916  Vicia sativa subsp. nigra G. F. Hrusa; S. A. Wagner 1992-4-22 9306 San Joaquin Caswell Memorial State Park. Comment
  CAS-BOT-BC203010  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Jones Tract, San Joaquin Delta 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
  RSA390390  Vitis californica E. E. Stanford 1930-5-30 1531 San Joaquin Jones Tract, San Joaquin Delta Comment
  UCD102802  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD102852  Vitis californica M. I. Wibawa; G. F. Hrusa and J. Naughton 2002-5-15 200 San Joaquin Sacramento Valley. Coyote Creek tributary riparian zone on Dustin Road. Ca. 0.1 mile N of Liberty Road, near Acampo. 7 Comment
  UCD142930  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17097  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17100  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17102  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17103  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17111  Vitis californica H. Olmo 1934-7-21 s.n. San Joaquin Border of San Joaquin and Stanislaus County: Stanislaus River on US 99. Comment
  UCD17118  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin California. San Joaquin County: Mokelumne River at US 99. Comment
  UCD17555  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  UCD17556  Vitis californica H. Olmo 1934-8-2 s.n. San Joaquin Mokelumne River on US 99. Comment
  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-BC198737  Vulpia bromoides Gladys L. Smith 1959-5-2 1061 A San Joaquin Wallace, Hwy. 12 60 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
  SEINET10604422  Vulpia microstachys Lewis S. Rose 1938-4-3 Rose 38118 B San Joaquin Corral Hollow. Subsaline flats. 122 Comment
  CAS-BOT-BC183679  Vulpia microstachys var. ciliata John Thomas Howell 1938-4-10 13751 San Joaquin Hospital Canyon Comment
  CAS-BOT-BC183681  Vulpia microstachys var. ciliata Alice Eastwood; John Thomas Howell 1938-4-18 5092 San Joaquin Hospital Canyon Comment
  UCD93841  Vulpia microstachys var. ciliata John Thomas Howell 1957-4-13 32022 San Joaquin Corral Hollow. Comment
  CAS-BOT-BC183746  Vulpia microstachys var. confusa John Thomas Howell 1938-4-3 13734 San Joaquin Corral Hollow Comment
  POM352956  Vulpia microstachys var. confusa L. S. Rose 1938-4-3 38118 B San Joaquin Corral Hollow. 122 Comment
  UC817993  Vulpia microstachys var. confusa Lewis S. Rose 1938-4-3 3811 B San Joaquin Corral Hollow 121 Comment
  CAS-BOT-BC184501  Vulpia microstachys var. pauciflora John Thomas Howell 1938-4-3 13735 San Joaquin Corral Hollow Comment
  CAS-BOT-BC184503  Vulpia microstachys var. pauciflora Alice Eastwood; John Thomas Howell 1935-4-7 2087 San Joaquin East end of Corral Hollow Comment
  UC766933  Vulpia microstachys var. pauciflora R. F. Hoover 1938-4-9 3036 a San Joaquin hill between Castle Rock and Black Butte; Corral Hollow Comment
  RSA0053701  Vulpia myuros G. K. Helmkamp, E. A. Helmkamp 2013-4-7 18719 San Joaquin San Joaquin Valley along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden. 52 Comment
  UCR238405  Vulpia myuros George K. Helmkamp, E. A. Helmkamp 2012-4-7 18719 San Joaquin San Joaquin Valley, along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden 52 Comment
  CAS-BOT-BC185744  Vulpia myuros subsp. megalura E. E. Stanford 1927-3-29 133 San Joaquin Near Stockton. Open field near Campus Comment
  CAS-BOT-BC185745  Vulpia myuros subsp. megalura E. E. Stanford 1928-4-19 889 San Joaquin Stockton Comment
  SEINET5586227  Vulpia myuros subsp. megalura George K. Helmkamp, E. A. Helmkamp 2012-1 18719 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden. 52 Comment
  SD247296  Vulpia myuros var. hirsuta George K. Helmkamp, Elizabeth Helmkamp 2012-4-7 18719 San Joaquin San Joaquin Valley: along CA-26, 3.2 miles southwest of its junction with N Wimer Road, NE of town of Linden (Valley Springs SW 7.5'Q) 52 Comment
  UC188780  Vulpia myuros var. hirsuta Mr. Sanford 1890-4-11 11 San Joaquin Waverly 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-BC423395  Wislizenia californica John Thomas Howell 1930-10-11 5553 San Joaquin 5 miles south of Stockton 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
  UC11149  Wislizenia refracta subsp. californica F. T. Bioletti 1892-9-9 San Joaquin Lathrop Comment
  UC1228152  Wislizenia refracta subsp. californica Beecher Crampton 1960-8-9 5774 San Joaquin along Durham Ferry Rd 7.5 mi w Ripon Comment
  UC83248  Wislizenia refracta subsp. californica Katharine Brandegee 1892-9-11 San Joaquin Lathrop Comment
  RSA440868  Wislizenia refracta subsp. californica E. E. Stanford 1930-08 1862 San Joaquin Lincoln Hwy, near French Camp. Comment
  UCD116386  Wislizenia refracta subsp. californica K. Brandegee 1907-10-1 s.n. San Joaquin Lathrop, San Joaquin River. Comment
  CAS-BOT-BC534961  Wolffia C. Don MacNeill; G. Prlain 1981-12-13 n.s. San Joaquin Mokelumne River below Camanche Reservoir dam 27 Comment
  UC1148966  Wolffia globosa W. R. Russell and Jeff Swader 1967-6-20 San Joaquin s side of Liberty Rd 1.8 mi e State Highway 88 (where artificial fill crosses road, small pond se of main creek) Comment
  RSA318297  Wolffia globosa Wayne P. Armstrong 1984-8-23 1217 San Joaquin South side Liberty Road 1.5 mi. east of junction with Highway 88 (southwest of Ione) 61 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
  UC702408  Wolffiella lingulata Herbert L. Mason 1945-10-10 San Joaquin Trappers Slough San Joaquin River, Roberts Island (Roberts Island, delta of the San Joaquin River) Comment
  CAS-BOT-BC535199  Wolffiella lingulata Herbert L. Mason 1945-10-10 s. n. San Joaquin Trapper Slough, Roberts Island, delta of the San Joaquin River Comment
  POM257227  Wolffiella lingulata H. L. Mason 1937-6-21 11548 San Joaquin Trapper Slough, 0.5 mile southwest of Holt, Roberts Island Comment