37.92666 38.02666 -121.87250 -121.77250 UC/JEPS: Consortium Search Results
Search Results — 1329 specimen records retrieved (1329 records with coordinates)
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 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
  CAS-BOT-BC334185  Acer negundo var. californicum Alice Eastwood 1914-2-24 3734 Contra Costa Antioch Comment
  CHSC23337  Achillea millefolium Willis Ball 1975-2-23 447 Contra Costa Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  CHSC23362  Achillea millefolium Willis Ball 1975-4-19 520 Contra Costa Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  CAS-BOT-BC29884  Achyrachaena mollis Alice Eastwood 1921-4-18 10250 Contra Costa Antioch Comment
  CAS-BOT-BC29885  Achyrachaena mollis L. Kellogg; Brannan 1870-4-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC29887  Achyrachaena mollis James I. W. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CHSC23339  Achyrachaena mollis Willis Ball 1974-4-21 426 Contra Costa Contra Loma Regional Park. In area #1. On the n side of road leading to main parking lot ca. 50 yds e of parking lot. 2 yds off road. 38 Comment
  UC134230  Achyrachaena mollis Katharine Brandegee 1907-5-3 Contra Costa near Antioch Comment
  UC88435  Achyrachaena mollis T. S. Brandegee 1892-5-1 Contra Costa Antioch Comment
  CAS-BOT-BC133154  Adenostoma fasciculatum Mrs. Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC133155  Adenostoma fasciculatum Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC133156  Adenostoma fasciculatum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  RSA498006  Adenostoma fasciculatum Robert F. Hoover 1939-04 20470 Contra Costa Head west branch Markley Canyon 305 Comment
  UC1127729  Adenostoma fasciculatum R. W. Lundh 1932-9-9 163 Contra Costa 1/2 mi. s.e. Nortonville; Mt. Diablo Quad. 381 Comment
  CDA15254  Agrostis avenacea G. F. Hrusa, D. Crowe 1998-5-8 14385 Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  UCD146716  Agrostis avenacea G. F. Hrusa; D. Crowe 1998-5-8 14385 Contra Costa Sacramento-San Joaquin River Delta. In Dow Ecological Reserve on Dow Chemical property at Pittsburg. 5 Comment
  UCD55783  Aira caryophyllea Beecher Crampton 1956-5-14 3391 Contra Costa 7 miles southwest of Antioch, just east of old Nortonville. Comment
  UC116546  Allenrolfea occidentalis K. Brandegee Oct. 1887 Contra Costa Antioch Comment
  UC116547  Allenrolfea occidentalis K. Brandegee 1885-1 Contra Costa near Antioch Antioch Comment
  UC185478  Allium peninsulare var. peninsulare Katharine Brandegee May 1907 Contra Costa Antioch Comment
  UC142793  Allium serra Alice Eastwood 1895-4-8 Contra Costa Antioch Comment
  UC908964  Allophyllum gilioides subsp. violaceum R. F. Hoover 1939-4-13 4022 Contra Costa head of Markley Canyon (w. branch) Comment
  A401373  Alnus rhombifolia A. Eastwood 1921-4-18 10294 Unknown Antioch Comment
  CAS-BOT-BC170931  Alnus rhombifolia Walter Knight 1965-3-1 910 Contra Costa Antioch Dunes, along water's edge - Carquinez Straights Comment
  CAS-BOT-BC170932  Alnus rhombifolia Alice Eastwood 1914-2-24 3732 Contra Costa Antioch Comment
  CAS-BOT-BC170934  Alnus rhombifolia Alice Eastwood 1921-4-18 s.n 10294 Contra Costa Antioch Comment
  UC2031467  Alnus rhombifolia Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson 1991-10-20 10861 Contra Costa Dow Wetlands Preserve, just W of Antioch marina Comment
  CAS-BOT-BC55590  Ambrosia psilostachya Walter Knight 1965-9-7 1167 Contra Costa San Joaquin River at Antioch sand dunes Comment
  UC1584662  Ambrosia psilostachya Jerry Powell 1990-8-29 1585 Contra Costa Antioch National Wildlife Refuge Comment
  UCD55999  Ammophila arenaria Morris Halperin; Earl J. Coke 1930-5-20 s.n. Contra Costa Sand near Antioch. Comment
  CHSC21836  Amsinckia Robert A. Schlising 1962-4-7 2150 Contra Costa In grass of roadside near Antioch Reservoir. Comment
  UC24599  Amsinckia J. Burtt Davy 1895-4-7 919 Contra Costa Antioch Comment
  UCR197916  Amsinckia Beecher Crampton 1950-4-22 522 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  GH424758  Amsinckia grandiflora A. Kellogg & W. G. W. Harford 1869-4-16 Unknown Antioch Comment
  GH424759  Amsinckia grandiflora A. Kellogg 1883-05-01 - 1883-06-01 Unknown Antioch Comment
  UC78264  Amsinckia grandiflora T. S. Brandegee May 1887 Contra Costa Judsonville Comment
  UC78278  Amsinckia grandiflora T. S. Brandegee May 1887 Contra Costa Judsonville Comment
  CHSC23356  Amsinckia intermedia Willis Ball 1975-2-23 448 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds. ne of single restroom at sw end of reservoir, approximately 1/4 way up large hill. 38 Comment
  CHSC23358  Amsinckia intermedia Willis Ball 1975-3-2 475 Contra Costa Contra Loma Regional Park. In area #5. On w side of largest hill ca. 100 yds ne of main boat ramp at the s end of the reservoir. 45 Comment
  UC725373  Amsinckia intermedia A. A. Heller 1938-4-9 15016 Contra Costa 3 mi sw of Antioch Comment
  UC24601 Image available Amsinckia lycopsoides J. Burtt Davy 1895-4-7 887 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  CAS-BOT-BC26818  Amsinckia oxycarpa Alice Eastwood 1921-4-18 10312 a Contra Costa Antioch Comment
  CAS-BOT-BC26823  Amsinckia peltigera Alice Eastwood 1921-4-18 10311 a Contra Costa Antioch Comment
  UC24597 Image available Amsinckia tessellata J. Burtt Davy 1895-4-7 931 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  JEPS25509  Amsinckia tessellata var. tessellata R. F. Hoover 1938-3-25 2894 Contra Costa Markley Canyon Comment
  UC479952  Amsinckia tessellata var. tessellata Katharine Brandegee May 1892 Contra Costa Antioch Comment
  UC78256  Amsinckia tessellata var. tessellata K. Brandegee 1892-5-1 Contra Costa Antioch Comment
  CDA15263  Anagallis arvensis G. F. Hrusa, D. Crowe 1998-5-8 14394 Contra Costa Sacramento Delta; at E end of Dow Chemical property in Pittsburg. Comment
  UCD146714  Anagallis arvensis G. F. Hrusa; D. Crowe 1998-5-8 14394 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property at Pittsburg. 15 Comment
  CAS-BOT-BC45254  Ancistrocarphus filagineus Brandegee s.n. Contra Costa Antioch Comment
  UC196982  Ancistrocarphus filagineus Chesnut and Drew 1889-4-18 Contra Costa sand hills Antioch Comment
  UC485559  Ancistrocarphus filagineus Thomas Howell 1883-5-1 Contra Costa Antioch Comment
  UC2062460  Anemopsis californica Barbara Ertter with David Gowen and Mike Park 2004-6-13 18374 Contra Costa Black Diamond Mines Regional Preserve, just downstream from old homestead on west side of Old Homestead Loop. Comment
  UC1789149  Aphanes occidentalis Barbara Ertter with David Gowen and Mike Park 2004-4-13 18347 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, ca 1 km due east of Sidney Flat headquarters Comment
  CDA15262  Apocynum cannabinum G. F. Hrusa, D. Crowe 1998-5-8 14393 Contra Costa Sacramento Delta; Along Antioch-Pittsburg highway adjacent to E end of Dow Chemical property in Pittsburg. Comment
  UC1594204  Apocynum cannabinum Jerry Powell 1991-6-11 1606 Contra Costa Antioch Nat'l Wildlife Refuge Comment
  A350059  Arctostaphylos auriculata T. S. Brandegee 1889-1-1 Unknown Antioch Comment
  CAS-BOT-BC24111  Arctostaphylos auriculata Walter Knight; Irja Knight 1968-2-19 2276 Contra Costa Sandmine ravine in Somersville Comment
  CAS-BOT-BC24113  Arctostaphylos auriculata Brandegee 1889-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC24123  Arctostaphylos auriculata Brandegee 1889-1-1 s.n. Contra Costa Antioch Comment
  GH350055  Arctostaphylos auriculata T. S. Brandegee 1889-1-1 7 Unknown Antioch Comment
  UC83034  Arctostaphylos auriculata Katharine Brandegee 1889-1 Contra Costa Antioch Comment
  UCD50262  Arctostaphylos auriculata Roman Gankin 1968-11-14 1311 Contra Costa Ca. 300 yds. above road at Somersville. Comment
  UCD50263  Arctostaphylos auriculata Roman Gankin 1968-11-14 1310 Contra Costa Ca. 300 yds. above the road at Somersville. Comment
  UCD50264  Arctostaphylos auriculata Roman Gankin 1968-11-14 1309 Contra Costa Ca. 300 yds. above the road at Somersville. Comment
  UCD50265  Arctostaphylos auriculata Roman Gankin 1968-11-14 1308 Contra Costa Ca. 300 yds. above road at Somersville. Comment
  CDA23607  Arctostaphylos glandulosa D. G. Kelch, D. A. Weinstein 2008-4-13 08 .040-B Marin Mt Tamalpais. Matt Davis Trail. Near small picnic area between parking lot and mine entrance. Comment
  CAS-BOT-BC24662  Arctostaphylos glauca Brandegee 1889-1-1 5 Contra Costa Antioch. Comment
  GH350606  Arctostaphylos manzanita T. S. Brandegee 1889-05-01 - 1889-06-01 5 Unknown Antioch Comment
  UC82944  Arctostaphylos manzanita subsp. laevigata Katharine Brandegee 1889-1 5 Contra Costa Antioch Comment
  UCD51727  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-2-26 112 Contra Costa 3/4 mile southwest of Somersville. 411 Comment
  CAS-BOT-BC24394  Arctostaphylos manzanita subsp. manzanita Brandegee 1889-1-1 5 Contra Costa Antioch. Comment
  UC1584664  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584665  Artemisia douglasiana Jerry Powell 1990-8-29 1592 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584696  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584697  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC1123499  Asclepias californica C. M. Belshaw 1936-5-15 2131 Contra Costa 1/2 mi wsw Stewartsville; Mt. Diablo Quadrangle Comment
  UC35247  Asclepias californica Dr. W. S. George 1901-4-13 Contra Costa Antioch Comment
  CHSC23359  Asclepias fascicularis Willis Ball 1975-6-1 533 Contra Costa Contra Loma Regional Park. In area #1 ca. 75 yds sw of main restroom facility at s end of reservoir. 45 Comment
  UC1584827  Asparagus officinalis subsp. officinalis Jerry Powell 1990-8-29 1589 Contra Costa Antioch National Wildlife Refuge Comment
  CDA15295  Aster lentus Amy Hiss 1998-10-14 s.n. Contra Costa Sacramento Delta; Marina Fishing Pier at northernmost limit of city of Antioch. Comment
  CAS-BOT-BC180528  Astragalus asymmetricus M. K. Curran 1886-5-1 51 Contra Costa Antioch Comment
  CAS-BOT-BC180529  Astragalus asymmetricus Katharine Brandegee 1908-1-1 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC180574  Astragalus asymmetricus M. K. Curran 1886-5-6 s.n. Contra Costa Antioch Comment
  POM19312  Astragalus asymmetricus Katherine Brandegee 1908-1 s.n. Contra Costa Near Antioch Comment
  UC1128838  Astragalus asymmetricus N. French 1935-7-19 644 Contra Costa 1/2 mi e Nortonville; Mt. Diablo Quad., e of Nortonville 304 Comment
  UC1128839  Astragalus asymmetricus G. T. Nordstrom 1937-10-28 1404 Contra Costa 1.4 mi nne Somersville; Mt. Diablo Quad., nne of Somersville Comment
  UC168336  Astragalus asymmetricus Katharine Brandegee 1908-1 Contra Costa near Antioch; near Antioch Comment
  UC83459  Astragalus asymmetricus Katharine Brandegee June 1891 Contra Costa Antioch Comment
  RSA480534  Astragalus didymocarpus Katherine Brandegee 1889-05 s.n. Contra Costa Antioch Comment
  UC13350  Astragalus didymocarpus J. Burtt Davy 1895-4-7 934 Contra Costa Antioch Comment
  UC83444  Astragalus didymocarpus Katharine Brandegee May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC177882  Astragalus didymocarpus var. didymocarpus M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC177883  Astragalus didymocarpus var. didymocarpus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC177885  Astragalus didymocarpus var. didymocarpus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC177886  Astragalus didymocarpus var. didymocarpus 1884-5-1 s.n. Contra Costa antioch Comment
  SEINET3127325  Astragalus didymocarpus var. didymocarpus Brandegee sn Contra Costa Antioch Comment
  CAS-BOT-BC178475  Astragalus gambelianus T. S. Brandegee 1886-5-1 s.n. Contra Costa Antioch Comment
  UC83409  Astragalus gambelianus Katharine Brandegee april 1889 Contra Costa Antioch Comment
  CAS-BOT-BC17453  Athysanus pusillus M. K. Curran 1883-4-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC17455  Athysanus pusillus Alice Eastwood 1914-2-24 3739 Contra Costa Antioch. Comment
  UC10226  Athysanus pusillus T. S. Brandegee Contra Costa Antioch Comment
  UC10231  Athysanus pusillus T. S. Brandegee Contra Costa Antioch Comment
  UC1713776  Athysanus pusillus T. S. Brandegee April, 1871 Contra Costa Antioch Comment
  CAS-BOT-BC16350  Athysanus unilateralis T. S. Brandegee 1884-5-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC168542  Atriplex coronata Walter Knight; Irja Knight 1968-8-14 2417 Contra Costa On Contra Loma Drive, north side of road, Contra Loma Regional Park, near Antioch Comment
  UC1601680  Atriplex coronata Katharine Brandegee 1907-5-3 Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  POM203039  Atriplex joaquinana J. T. Howell 1934-4-8 11823 Contra Costa South of Antioch, Contra Costa County Comment
  UC1601683  Atriplex joaquinana Katharine Brandegee 1907-5-3 Contra Costa between Antioch Marsh Creek; between Antioch and Marsh Creek Comment
  UC205040  Atriplex joaquinana Katharine Brandegee Contra Costa Antioch Comment
  CDA37400  Atriplex prostrata D. G. Kelch, Mike Perlmutter 2011-9-23 11 .763 Contra Costa Antioch. Dow Wetlands. Comment
  UC2042800  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetlands Preserve just W of Antioch marina. Comment
  UC2042867  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  CAS-BOT-BC145877  Avena fatua Alice Eastwood 1921-4-18 10261 Contra Costa Antioch. Comment
  CHSC21639  Avena fatua Willis Ball 1975-3-9 478 Contra Costa Contral Loma Regional Park. In area #8. Ca. 600 yds. sw of main parking lit ca. 800 yds. w of Contra Loma Blvd. 152 Comment
  CHSC21645  Avena fatua Willis Ball 1975-3-2 469 Contra Costa Contral Loma Regional Park. In area #2. On s side of hill ca. 55 myds. ne of single restroom at sw end of lake. 39 Comment
  CAS-BOT-BC98765  Baccharis douglasii Walter Knight; Harry Reeves 1979-8-25 3406 Contra Costa In natural marsh near reservoir. Contra Loma Regional Park near Antioch 22 Comment
  CAS-BOT-BC98009  Baccharis pilularis Sally Bianco 1995-11-19 1054 Butte Aptos. San Andreas Rd and Hwy 1 intersection 76 Comment
  NY43583  Baccharis pilularis S. Bianco 1995-11-19 1054 Santa Cruz San Andreas Rd and Hwy 1 intersection 76 Comment
  CHSC23340  Baccharis salicifolia Willis Ball 1975-3-2 460 Contra Costa Contra Loma Regional Park. In area #4. On beach on E side of lake ca. 175 yds S of dam. 30 Comment
  CHSC23341  Baccharis salicifolia Willis Ball 1975-3-26 514 Contra Costa Contra Loma Regional Park. In area #2. On W side of lake ca. 30 yds. N of boat ramp on W side of lake. 30 Comment
  CHSC23338  Balsamorhiza deltoidea Willis Ball 1975-3-26 511 Contra Costa Contra Loma Regional Park. In area #8. On N facing slope near top of hill ca. 500 yds S of main parking lot ca. 760 yds W of Contra Loma Blvd. 146 Comment
  JEPS32259  Balsamorhiza deltoidea R. F. Hoover 1939-4-13 4015 Contra Costa head of Markley Canyon (w branch) Markley Canyon Comment
  UC36778  Balsamorhiza deltoidea J. Burtt Davy 1895-4-7 910 Contra Costa Antioch Comment
  UC584282  Balsamorhiza deltoidea G. L. Stebbins Jr. 1937-5-1 2108 Contra Costa about 1 mi s of, n facing ridge Somersville 365 Comment
  UC761940  Balsamorhiza deltoidea R. F. Hoover 1939-4-13 4015 Contra Costa head of Markley Canyon, (w branch) Markeley Canyon Comment
  UC1618272  Bassia hyssopifolia Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10885 Contra Costa just w Antioch marina (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  CDA15255  Bellardia trixago G. F. Hrusa, D. Crowe 1998-5-8 14386 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  UCD146713  Bellardia trixago G. F. Hrusa; D. Crowe 1998-5-8 14386 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property at Pittsburg. 15 Comment
  CHSC23354  Bellis perennis Willis Ball 1975-2-23 441 Contra Costa Contra Loma Regional Park. In area #1. Ca. 40 yds W of restroom facility on the S end of the lake. 30 Comment
  CAS-BOT-BC102085  Bidens frondosa Walter Knight 1978-8-27 3153 Contra Costa Contra Loma Regional Park 30 Comment
  CAS-BOT-BC102034  Bidens laevis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  JEPS96225  Bidens laevis Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10873 Contra Costa just w Antioch marina (e end of marsh across from marina); Dow Wetlands Preserve Comment
  UC1618402  Bidens laevis Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10873 Contra Costa just w. Antioch marina (Dow Wetlands Preserve, e. end of marsh across from marina); Dow Wetlands Preserve Comment
  UC456081  Bidens laevis I. J. Condit 1908-8-19 Contra Costa Antioch Comment
  CHSC23347  Blennosperma nanum Willis Ball 1975-3-2 470 Contra Costa Contra Loma Regional Park. In area #1. On small hill ca. 10 yds N of N end of main parking lot at S end of lake. 36 Comment
  JEPS104714  Blennosperma nanum John L. Morrison 1937-3-6 1972 Contra Costa low hills S of Antioch Comment
  CAS-BOT-BC100699  Blennosperma nanum var. nanum Brandegee s.n. Contra Costa [Antiock] Antioch Comment
  CAS-BOT-BC100703  Blennosperma nanum var. nanum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC127912  Blepharizonia laxa C. C. Parry 1881-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC127913  Blepharizonia laxa M. K. Curran 1883-10-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC127915  Blepharizonia laxa Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC127916  Blepharizonia laxa Mrs. Curran s.n. Contra Costa Antioch Comment
  POM351055  Blepharizonia laxa T. S. Brandegee 1887-09 s.n. Contra Costa Antioch. Comment
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Dec 16 2012
  RSA121587  Blepharizonia laxa G. T. Nordstrom 1937-10-28 s.n. Contra Costa 1.6 miles NNE of Somersville 183 Comment
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Dec 16 2012
  UC1119055  Blepharizonia laxa G. T. Nordstrom 1937-10-28 1403 Contra Costa 1.6 mi nne of Somersville (Mt. Diablo); Mt. Diable 182 Comment
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Aug 6 2012
  UC88955  Blepharizonia laxa Katherine Curran (= Katherine Curran Brandegee) 1883-10-1 Contra Costa near Judsonville - Antioch Comment
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Jan 22 2009
  CAS-BOT-BC100336  Blepharizonia plumosa R. F. Hoover 1937-9-2 2711 Contra Costa 1 mi. w. of Antioch Comment
  CAS-BOT-BC100337  Blepharizonia plumosa K. Curran 1883-8-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100339  Blepharizonia plumosa T. S. Brandegee Sept. 1883 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100340  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa Los Medanos, near Antioch Comment
  CAS-BOT-BC100341  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa Los Medanos, near Antioch Comment
  JEPS18817  Blepharizonia plumosa R. F. Hoover 1937-9-2 2711 Contra Costa 1 mi w Antioch Comment
  JEPS19359  Blepharizonia plumosa H. M. Hall 1916-8-17 10275 Contra Costa Los Medanos Region of San Francisco Bay, Suisun Bay Comment
  POM118273  Blepharizonia plumosa Harriet Ann Walker 1916-8-28 3922 Contra Costa Los Medanos, near Antioch Comment
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Dec 16 2012
  RSA332608  Blepharizonia plumosa M. K. C 1885-08 s.n. Contra Costa Antioch Comment
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Dec 16 2012
  SD9039  Blepharizonia plumosa Katherine Curran Aug 1883 Contra Costa Antioch Comment
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Jan 23 2015
  SD9167  Blepharizonia plumosa Katherine Curran Oct 1883 Solano Antioch Comment
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May 31 2012
  UC194218  Blepharizonia plumosa H. M. Hall 1916-8-17 Contra Costa Los Medanos, Suisun Bay, San Francisco Bay Region San Francisco Bay Region, Suisun Bay, Los Medanos Comment
  UC194219  Blepharizonia plumosa H. M. Hall 1916-8-17 10275 Contra Costa Los Medanos San Francisco Bay Region, Suisun Bay Comment
  UC2029131  Blepharizonia plumosa Barbara Ertter 2003-7-6 18242 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, south end of Carbondale Trail. Comment
  UC311580  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa near Antioch (Los Medanos); Los Medanos Comment
  UC762568  Blepharizonia plumosa Robert F. Hoover 1937-9-2 2711 Contra Costa 1 mi w of Antioch Comment
  UC88954  Blepharizonia plumosa Katherine Curran (= Katherine Curran Brandegee) Sep 1883 Contra Costa Antioch; near Judsonville Comment
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Jan 22 2009
  UCD129618  Blepharizonia plumosa Robert E. Preston 2001-10-7 1777 Contra Costa Black Diamond Mines Regional Park, on w side of Stewartsville Trail, 0.75 mi s of Parking lot at Frederickson Lane trailhead. 152 Comment
  UCD77424  Blepharizonia plumosa Robert E. Preston 2001-10-7 1777 Contra Costa Black Diamond Mines Regional Park, on w side of Stewartsville Trail, 0.75 mi s of Parking lot at Frederickson Lane trailhead. 152 Comment
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Mar 14 2018
  RSA102247  Boisduvalia cleistogama M. K. Curran 1886-05 s.n. Contra Costa Near Antioch. Comment
  POM32378  Boisduvalia glabella Katherine Brandegee 1905-6-16 s.n. Contra Costa Antioch Comment
  JEPS78632  Bolboschoenus maritimus Walter Knight and Harry Reeves 1979-8-25 3408 Contra Costa near Antioch (Contra Loma Regional Park below dam near golf course); near Antioch, Contra Loma Regional Park 22 Comment
  CHSC79610  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14395 Contra Costa Sacramento-San Joaquin River Delta. At E end of Dow Chemical property in Pittsburg. 15 Comment
  UCD140023  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14366 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 10 Comment
  UCD146728  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14395 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property in Pittsburg. 15 Comment
  CAS-BOT-BC95322  Bowlesia incana James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC566855  Bowlesia incana H. L. Mason 1928-4-1 4272 Contra Costa Hills n of Mount Diablo (back of Pittsburg) Comment
  UCD57881  Bromus carinatus Beecher Crampton 1956-5-14 3393 Contra Costa Just east of old Nortonville. 7 miles southwest of Antioch. Comment
  CHSC21623  Bromus catharticus Willis Ball 1975-3-25 503 Contra Costa Contra Loma Regional Park. In area #1. Under olive trees in picnic area ca. 50 yds w of main parking lot ca. 50 yds s of the lake. 36 Comment
  UCD146711  Bromus catharticus G. F. Hrusa; D. Crowe 1998-5-8 14384 Contra Costa Sacramento-San Joaquin River Delta. Dow Ecological Reserve on Dow Chemical property at Pittsburg. 5 Comment
  CAS-BOT-BC156063  Bromus diandrus Alice Eastwood 1921-4-18 10262 Contra Costa Antioch. Comment
  CHSC21647  Bromus diandrus Willis Ball 1975-3-2 477 Contra Costa Contra Loma Regional Park. In area #4. On e side of lake ca. 175 yds s of dam. 30 Comment
  UCD36912  Bromus diandrus Beecher Crampton 1956-5-14 3378 Contra Costa 4.6 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  CAS-BOT-BC155470  Bromus hordeaceus Alice Eastwood 1921-4-18 10263 Contra Costa Antioch. Comment
  CHSC21617  Bromus hordeaceus Willis Ball 1974-4-21 429 Contra Costa Contra Loma Regional Park. In area #6. On e side of Contra Loma Blvd. ca. 300 yds. s of main boat ramp at s end of lake. One yd. off road. 45 Comment
  UCD36913  Bromus hordeaceus Beecher Crampton 1956-5-14 3379 Contra Costa 5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  UCD58642  Bromus hordeaceus Beecher Crampton 1956-5-14 3379 Contra Costa Head of Horse Valley. 5 miles south of Antioch. Comment
  UCD36914  Bromus madritensis Beecher Crampton 1956-5-14 3385 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  CHSC21638  Bromus madritensis subsp. rubens Willis Ball 1975-3-9 479 Contra Costa Contra Loma Regional Park. In area #8. On top of hill ca. 600 yds. sw of main parking lot ca. 800 yds. w of Contra Loma Blvd. 152 Comment
  UC37706  Bromus madritensis subsp. rubens J. Burtt Davy 1895-4-7 890 Contra Costa Antioch Comment
  RSA655138  Bromus marginatus Beecher Crampton 1956-5-14 3393 Contra Costa 7 miles southwest of city of Antioch, just east of old mining town of Nortonville. Comment
  CDA15253  Bromus stamineus G. F. Hrusa, D. Crowe 1998-5-8 14384 Contra Costa Sacramento Delta; Annual on edge of +- disturbed roadside adjacent to wetland in Dow Ecological Reserve on Dow Chemical property at Pittsburg. Uncommon here. Comment
  CAS-BOT-BC233993  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa Head of Markley Canyon (west branch) Comment
  CAS-BOT-BC233994  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa Head of Markley Canyon (west branch) Comment
  UC765774  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa head west branch Markley Canyon Comment
  CAS-BOT-BC438370  Calandrinia ciliata Alice Eastwood 1914-2-24 3741 Contra Costa Antioch Comment
  UC85557  Calandrinia ciliata Katharine Brandegee May, 1889 Contra Costa Antioch Comment
  CHSC23336  Calandrinia ciliata var. menziesii Willis Ball 1975-3-2 473 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds ne of single restroom at sw end of lake. Approximately half way up large hill. 53 Comment
  CAS-BOT-BC167286  California macrophylla Brandegee s.n. Contra Costa Antioch Comment
  UC768643  Calochortus albus R. F. Hoover 1939-4-26 4067 Contra Costa Head of Markley Canyon (w branch) Markley Canyon Comment
  CAS-BOT-BC270071  Calycadenia multiglandulosa H. M. Hall 1916-8-16 10274 Contra Costa Horse Valley, 9 km S of Antioch Comment
  CAS-BOT-BC270072  Calycadenia multiglandulosa H. M. Hall 1916-8-16 10274 Contra Costa Horse Valley, 9 km S of Antioch Comment
  UC197535  Calycadenia multiglandulosa H. M. Hall 1916-8-16 10274 Contra Costa 9 km s of Antioch; Horse Valley Comment
  UC88982  Calycadenia multiglandulosa K. Brandegee 1884-7-1 Contra Costa Antioch Comment
  UC1594199  Calystegia sepium subsp. binghamiae Jerry Powell 1991-8-15 1614 Contra Costa Antioch National Wildlife Refuge Comment
  CAS-BOT-BC224745  Calystegia sepium subsp. limnophila R. K. Brummitt; B. Ertter 1998-5-6 19792 Contra Costa Antioch. Sea level Comment
  CDA15226  Calystegia sepium subsp. limnophila G. F. Hrusa, D. Crowe 1998-5-8 14355 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  RSA710326  Calystegia sepium subsp. limnophila R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19792 Contra Costa Antioch, by marina. Comment
  UCD119366  Calystegia sepium subsp. limnophila Jean Shepard; Scott Shepard 2011-8-28 857 Contra Costa Antioch Marina. South side of the San Joaquin River, east of the San Francisco Bay, approximately 3 1/4 miles west of the Antioch Bridge. 0 Comment
  RSA710325  Calystegia subacaulis R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-13 19841 Contra Costa S of Antioch, Black Diamond Mine Regional Park. 400 Comment
  UC1794958  Calystegia subacaulis R. K. Brummitt and B. Ertter 1998-5-13 19841 Contra Costa S of Antioch, Black Diamond Mine Regional Park. Comment
  CAS-BOT-BC224336  Calystegia subacaulis subsp. subacaulis R. K. Brummitt; B. Ertter 1998-5-13 19841 Contra Costa S of Antioch, Black Diamond Mine Regional Park 400 Comment
  UC1784911  Calystegia subacaulis subsp. subacaulis Barbara Ertter with Elizabeth Neese 1988-4-24 7452 Contra Costa Black Diamond Mines Regional Preserve SW of Antioch, head of drainage between and parallel to Nortonville and Somersville roads Comment
  POM31989  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa Antioch Comment
  RSA135413  Camissonia campestris subsp. campestris Volney Rattan 1879-1 s.n. Contra Costa Antioch Comment
  RSA181415  Camissonia campestris subsp. campestris James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC107666  Camissonia campestris subsp. campestris Katharine Curran May 1883 Contra Costa Antioch Comment
  UC140592  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa in sandhills Antioch Comment
  UC198869  Camissonia campestris subsp. campestris Chesnut and Drew 1887-4-18 Contra Costa Antioch Comment
  UC20452  Camissonia campestris subsp. campestris J. Burtt Davy 1895-4-7 879 Contra Costa Antioch Comment
  UC35393  Camissonia campestris subsp. campestris Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  UC635287  Camissonia campestris subsp. campestris H. L. Mason 1929-3-31 5153 Contra Costa Antioch San Joaquin River (sand dike along river) Comment
  UC635291  Camissonia campestris subsp. campestris H. L. Mason 1931-4-5 5820 Contra Costa Antioch sandhills Comment
  POM31985  Camissonia contorta C. F. Baker 1903-4-25 2824 Contra Costa Antioch. Comment
  UC2028347  Camissonia contorta Barbara Ertter 1991-5-5 9780 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon, N-facing slope Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC84570  Camissonia contorta Katharine Brandegee May 1883 Contra Costa Antioch Comment
  UC873941  Camissonia contorta Lewis S. Rose 1938-5-8 38223 Contra Costa sand hills Antioch 15 Comment
  POM31983  Camissonia micrantha C. F. Baker 1903-4-25 2808 Contra Costa Antioch. Comment
  RSA41303  Camissonia micrantha Robert F. Hoover 1935-3-10 314 Contra Costa Antioch sand-dunes Comment
  UC140387  Camissoniopsis micrantha C. F. Baker 1903-4-25 2808 Contra Costa sandhills Antioch Comment
  UC20644  Camissoniopsis micrantha W. H. Brewer 1862-5-22 1137 Contra Costa hills s Coal Mines (ne of Mt. Diablo) Comment
  UC35344  Camissoniopsis micrantha Chesnut and Drew 1889-4-18 Contra Costa Sand Hills Antioch Comment
  UC635405  Camissoniopsis micrantha H. L. Mason 1929-3-31 5160 Contra Costa Antioch San Joaquin River (sand dike along river) Comment
  UC635408  Camissoniopsis micrantha H. L. Mason 1932-3-20 6850 Contra Costa sand hills near Antioch Comment
  UC764055  Camissoniopsis micrantha Robert F. Hoover 1935-3-10 314 Contra Costa Antioch sand-dunes Comment
  UC1789104  Campsis radicans Barbara Ertter 1998-5-10 16370 Contra Costa southeast edge of Antioch Marina. Comment
  UC1789147  Campsis radicans Barbara Ertter 1998-5-10 16370 Contra Costa southeast edge of Antioch Marina. Comment
  CHSC21613  Capsella bursa-pastoris Willis Ball 1975-2-23 438 Contra Costa Contra Loma Regional Park. In area #1. Ca. 10 yds e of restroom facility on n side of lake. 30 Comment
  CDA15243  Cardaria chalepensis G. F. Hrusa, D. Crowe 1998-5-8 14374 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CDA15244  Carduus tenuiflorus G. F. Hrusa, D. Crowe 1998-5-8 14375 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CAS-BOT-BC19206  Carex barbarae Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa About 50 ft. from shore of San Joaquin River. Antioch sand dunes, Little Corral site. Comment
  UC27146  Castilleja attenuata J. Burtt Davy 1895-4-7 957 Contra Costa Antioch Comment
  CDA15239  Castilleja exserta G. F. Hrusa, D. Crowe 1998-5-8 14370 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg near shore of San Joaquin River. Comment
  CHSC21620  Castilleja exserta Willis Ball 1974-4-21 425 Contra Costa In area #7. Immediately to the w side of Contra Loma Blvd. ca. 400 yds s of the main boat ramp. Contra Loma Regional Park. 45 Comment
  CHSC59823  Castilleja exserta Linda Osborne 1980-4-5 1 Contra Costa Los Malinos Jr College, ca. 50 m e of Lake Parcourse handwalk bars and 75 m n. Comment
  JEPS16805  Castilleja exserta subsp. exserta Rimo Bacigalupi with G. Thomas Robbins 1955-5-4 4983 Contra Costa 1.25 mi e Antioch (near the San Joaquin River) 9 Comment
  UC27222  Castilleja rubicundula subsp. lithospermoides W. H. Brewer 1862-5-20 1132 Contra Costa hills ne Mt. Diablo Comment
  CDA43391  Caulanthus flavescens Mike Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa Overlook Trail, Black Diamond Mines, East Bay Regional Parks. Comment
  CAS-BOT-BC40508  Caulanthus lasiophyllus A. A. Heller 1908-4-17 8907 Contra Costa Hills three miles south of Antioch. 18 Comment
  CAS-BOT-BC40509  Caulanthus lasiophyllus Edward Lee Greene 1887-4-17 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC40514  Caulanthus lasiophyllus Alice Eastwood 1921-4-18 10251 Contra Costa Antioch. Comment
  CHSC57361  Caulanthus lasiophyllus Willis Ball 1975-3-2 451 Contra Costa Contra Loma Regional Park, in are #2. On s side of hill ca. 400 yds w of boat ramp at w side of lake. 60 Comment
  CHSC23349  Centaurea solstitialis Willis Ball 1975-5-20 530 Contra Costa Contra Loma Regional Park. In area #10 ca. 300 yds e of dam. 33 Comment
  CAS-BOT-BC288545  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC288546  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC288551  Centromadia fitchii Alice Eastwood 1921-4-18 10255 Contra Costa Antioch Comment
  CAS-BOT-BC279179  Centromadia pungens subsp. pungens James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC279196  Centromadia pungens subsp. pungens J McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  UC89008  Centromadia pungens subsp. pungens Mrs. K. Brandegee 1892-6-1 Contra Costa Antioch Comment
  UC1594163  Cephalanthus occidentalis var. californicus Jerry Powell 1991-6-11 1607 Contra Costa Antioch National Wildlife Refuge Comment
  UC1594173  Cephalanthus occidentalis var. californicus Jerry Powell 1991-8-15 1612 Contra Costa Antioch National Wildlife Refuge Comment
  UC1606283  Cephalanthus occidentalis var. californicus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10880 Contra Costa just w Antioch marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC34726  Chaenactis glabriuscula var. glabriuscula Chesnut and Drew Contra Costa Summerville Comment
  UC34798  Chaenactis glabriuscula var. glabriuscula W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  UC34799  Chaenactis glabriuscula var. glabriuscula J. Burtt Davy 1895-4-7 874 Contra Costa Antioch Comment
  UC565564  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1929-3-31 5157 Contra Costa Antioch, sand dikes along San Joaquin River San Joaquin River, Antioch Comment
  UC565627  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1931-4-5 5817 Contra Costa Antioch sandhills Antioch Comment
  UC90158  Chaenactis glabriuscula var. glabriuscula C. F. Baker 1903-4-27 2940 Contra Costa Antioch Paicfic Coast, Antioch Comment
  CAS-BOT-BC284216  Chaenactis glabriuscula var. megacephala James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC284218  Chaenactis glabriuscula var. megacephala M. K. C. 1886-5-1 26 Contra Costa Antioch Comment
  CAS-BOT-BC284220  Chaenactis glabriuscula var. megacephala Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC284221  Chaenactis glabriuscula var. megacephala Alice Eastwood 1921-4-18 10298 Contra Costa Antioch Comment
  POM54137  Chaenactis glabriuscula var. megacephala C. F. Baker 1903-4-27 2940 Contra Costa Antioch Comment
  RSA181414  Chaenactis glabriuscula var. megacephala James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CDA15274  Chenopodium album G. F. Hrusa, D. Crowe, R. York 1998-7-17 14711 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CHSC23348  Chenopodium album Willis Ball 1975-6-1 532 Contra Costa Contra Loma Regional Park. In area #11. On n side of road ca. 200 yds e of main entrance to park. 60 Comment
  UC1618329  Chenopodium album Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10884 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  JEPS87912  Chenopodium ambrosioides Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10883 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC1607652  Chenopodium ambrosioides Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10883 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC1199816  Chenopodium californicum Herbert L. Mason 1929-3-31 5158 Contra Costa Antioch Sacramento River Comment
  UC14076  Chenopodium californicum Chesnut and Drew 1889-4-18 Contra Costa Antioch; sand hills Comment
  SD8106  Chorizanthe uniaristata Kate Curran June 1884 Contra Costa Antioch Comment
  UC1789151  Cinnamomum camphora Barbara Ertter 2001-5-26 17653 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank. Comment
  UC1122360  Clarkia affinis C. M. Belshaw 1936-5-15 2130 Contra Costa Stewartsville Mt. Diablo Quadrangle Comment
  CAS-BOT-BC171989  Clarkia epilobioides K. Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC163286  Clarkia modesta Mrs. Brandegee s.n. Contra Costa Antioch Comment
  UC930724  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1938-5-8 38224 Contra Costa Antioch 15 Comment
  CAS-BOT-BC165448  Clarkia unguiculata K. Brandegee s.n. Contra Costa Antioch Comment
  RSA41158  Clarkia unguiculata Robert F. Hoover 1937-5-14 2110 Contra Costa Antioch sand-dunes Comment
  UC765869  Clarkia unguiculata R. F. Hoover 1937-5-14 2110 Contra Costa Antioch sand-dunes Comment
  UC2062631  Claytonia parviflora subsp. parviflora Barbara Ertter with David Gowen, Mike Park 2004-4-13 18353 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, S of Somersville townsite, Chaparral Loop Trail just across footbridge from Manhattan Trail cut-off. Comment
  CAS-BOT-BC443683  Claytonia perfoliata subsp. perfoliata Walter Knight 1965-3-1 904 Contra Costa Antioch dunes Comment
  CHSC21635  Claytonia perfoliata subsp. perfoliata Willis Ball 1975-3-9 488 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope ca. 550 yds sw of main parking lot ca. 780 yds w of Contra Loma Blvd. 137 Comment
  UC7914  Claytonia perfoliata subsp. perfoliata J. Burtt Davy 1895-4-7 983 Contra Costa Antioch Comment
  UC26677  Collinsia bartsiifolia var. bartsiifolia J. Burtt Davy 1895-4-7 877 Contra Costa Antioch Comment
  UC103400  Collinsia heterophylla K. Brandegee May 1889 Contra Costa Antioch Comment
  UC26674  Collinsia heterophylla J. Burtt Davy 1895-4-8 970 Contra Costa Antioch Comment
  CHSC21636  Collinsia sparsiflora Willis Ball 1975-3-9 487 Contra Costa In area #8. Ca. 500 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. Contra Loma Regional Park. 121 Comment
  CHSC23350  Convolvulus arvensis Willis Ball 1975-5-20 529 Contra Costa Contra Loma Regional Park. In area #1. At e end of island in center of main parking lot at s end of reservoir. 36 Comment
  GH369792  Convolvulus simulans M. K. Curran 1884-02-01 - 1884-03-01 Unknown Antioch Comment
  UC141630  Convolvulus simulans Katharine Brandegee 1907-6-16 Contra Costa fields bet. Antioch and Marsh Creek Comment
  UCD58755  Convolvulus simulans Glen Holstein 2007-5-1 s.n. Contra Costa Near entrance to Roddy Ranch Golf Course at southeast edge of Antioch. There is a large stock pond about 100 m NW of the entrance. The collection was in disked pasture 100 m west of the pond. Comment
  UC1594168  Conyza bilbaoana Jerry Powell 1616 Contra Costa Antioch National Wildlife Refuge Contra Costa Comment
  UC1584663  Conyza canadensis Jerry Powell 1990-8-29 1586 Contra Costa Antioch National Wildlife Refuge Comment
  UC89470  Coreopsis stillmanii T. S. Brandegee Apr 1889 Contra Costa Antioch Comment
  CHSC23342  Cotula coronopifolia Willis Ball 1975-3-26 508 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds. e of restroom facilities. 30 Comment
  CHSC21629  Crassula connata Willis Ball 1975-4-19 521 Contra Costa In area #8 ca. 450 yds s of main parking lot ca. 750 yds w of Conta Loma Blvd. Contra Costa Regional Park. 76 Comment
  JEPS68960  Crassula connata Edward Lee 1935-3-10 1292 Contra Costa Antioch Sand Dunes e. of Antioch; Antioch Sand Dunes Comment
  CDA15282  Cressa truxillensis G. F. Hrusa, D. Crowe, R. York 1998-7-17 14720 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  UCR115055  Cressa truxillensis G. Fred Hrusa, R. York 1998-7-17 14720 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  UC762281  Crocanthemum scoparium var. vulgare R. F. Hoover 1939-5-20 4108 Contra Costa Head of Markley Canyon Comment
  JEPS52457  Croton californicus W. L. Jepson 1923-10-4 10211 Contra Costa Antioch Comment
  JEPS79011  Croton californicus Edward Lee with Annetta Carter 1935-10-17 1626 Contra Costa Antioch; dunes Comment
  JEPS79012  Croton californicus Edward Lee with Annetta Carter 1935-10-17 1626 Contra Costa Antioch; dunes Comment
  POM138276  Croton californicus C. F. Baker 1903-4-25 2825 Contra Costa Antioch. Comment
  RSA181360  Croton californicus James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  RSA289534  Croton californicus Edward Lee, Annetta Carter 1935-8-17 1626 Contra Costa Antioch. Comment
  UC1084501  Croton californicus G. Thomas Robbins 1940-5-19 322 Contra Costa e Antioch (sand hills bordering river); San Joaquin River Comment
  UC1198987  Croton californicus Joseph P. Tracy 1921-5-17 5567 Contra Costa Antioch 30 Comment
  UC30123  Croton californicus Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC447211  Croton californicus C. F. Baker 1903-4-25 2825 Contra Costa Antioch Comment
  UC765094  Croton californicus R. F. Hoover 1937-5-14 2113 Contra Costa Antioch sand-dunes Comment
  UC765095  Croton californicus R. F. Hoover 1937-5-14 2114 Contra Costa Antioch sand-dunes Comment
  CDA15277  Croton setiger G. F. Hrusa, D. Crowe, R. York 1998-7-17 14714 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  CHSC23346  Croton setiger Willis Ball 1975-6-1 531 Contra Costa Contra Loma Regional Park. In area #7 on w side of road ca. 10 yds n of main entrance to park. 60 Comment
  CAS-BOT-BC190080  Crypsis schoenoides Walter Knight 1978-8-27 3197 Contra Costa Loma Regional Park near Antioch. 30 Comment
  CDA15280  Crypsis schoenoides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14718 Contra Costa Sacramento Delta; Few plants in dry areas of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Spreading-prostrate, annual. Comment
  CDA15287  Crypsis schoenoides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14726 Contra Costa Sacramento Delta; Dense band outside of lowest part of now dry vernally wet depression within highly disturbed annual grasslands adjacent to on E side of Antioch-Pittsburg Hwy at E end of Dow Chemical property. W/out standing water at this time. Annual. Comment
  UCD59829  Crypsis schoenoides G. F. Hrusa; D. Crowe, R. York 1998-7-17 14718 Contra Costa Sacramento-San Joaquin river delta. East end of Dow Chemical property. 12 Comment
  UCD59835  Crypsis schoenoides G. F. Hrusa; D. Crowe, R. York 1998-7-17 14726 Contra Costa Sacramento-San Joaquin River Delta. East side of Antioch-Pittsburg Hwy at east end of Dow Chemical property. 12 Comment
  CAS-BOT-BC168062  Cryptantha hooveri A. A. Heller 1908-4-16 8888 Contra Costa Sand hills east of Antioch 22 Comment
  UC125955  Cryptantha hooveri P. B. Kennedy 1908-1 Contra Costa Antioch Comment
  UC78673  Cryptantha hooveri Katharine Brandegee May 1894 Contra Costa near Antioch Comment
  UC79420  Cryptantha micromeres Katharine Brandegee May 1889 Contra Costa Antioch Comment
  UC79469  Cryptantha microstachys Katharine Brandegee Apr 1889 Contra Costa Antioch Comment
  CAS-BOT-BC224390  Cuscuta californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UCR51833  Cuscuta californica P. A. Munz 1947-10-8 12200 Contra Costa Dunes near Antioch 8 Comment
  CDA33492  Cuscuta japonica Yost 2008-7-17 PDR# 1454020 Contra Costa Antioch; 5124 Paddock Ct. 0 Comment
  CDA15228  Cynara cardunculus G. F. Hrusa, D. Crowe 1998-5-8 14357 Contra Costa Sacramento Delta; Dow Chemical at Pittsburg. Comment
  CDA15290  Cynara cardunculus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14730 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  CDA4533  Cynara cardunculus T. C. Fuller 1957-10-2 399 -57 Contra Costa Antioch. 0 Comment
  CDA4534  Cynara cardunculus T. C. Fuller 1957-10-2 399 -57 Contra Costa Antioch. 0 Comment
  UCD144310  Cynara cardunculus G. F. Hrusa; D. Crowe 1998-5-8 14357 Contra Costa Sacramento-San Joaquin River Delta. Dow Chemical property at Pittsburg. 5 Comment
  CAS-BOT-BC190225  Cynodon dactylon Walter Knight 1978-8-27 3187 Contra Costa Contra Loma Regional Park near Antioch. 30 Comment
  CHSC23352  Cynodon dactylon Willis Ball 1975-5-15 527 Contra Costa Contra Loma Regional Park. In area #1 ca. 3 yds w of restroom facility at s end of reservoir. In lawn by beach area. 30 Comment
  CAS-BOT-BC114613  Cyperus eragrostis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC2028425  Cyperus esculentus Barbara Ertter 1996-9-19 15293 Contra Costa Antioch Marina Comment
  UC1606344  Datura wrightii Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10857 Contra Costa just w Antioch marina (Dow Wetlands Preserve, plowed fields at sw end); Dow Wetlands Preserve Comment
  CAS-BOT-BC294012  Deinandra kelloggii K. Brandegee 1907-5-5 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC294014  Deinandra kelloggii Dr. A. Kellogg 1870-4-22 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294016  Deinandra kelloggii Alice Eastwood 1921-4-18 10300 Contra Costa Antioch Comment
  CAS-BOT-BC294018  Deinandra kelloggii Mrs. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294022  Deinandra kelloggii K. Brandegee 1907-5-5 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC294024  Deinandra kelloggii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294025  Deinandra kelloggii James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  JEPS12619  Deinandra kelloggii Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS12629  Deinandra kelloggii M. K. Curran May 1886 Contra Costa near Antioch Comment
  JEPS38344  Deinandra kelloggii W. L. Jepson 1923-10-4 Contra Costa Antioch Comment
  SEINET3147522  Deinandra kelloggii K. Brandegee 1907-5-5 19 Contra Costa Near Antioch Comment
  UC126849  Deinandra kelloggii Mrs. K. Brandegee 1907-5-5 19 Contra Costa near Antioch Comment
  UC34625  Deinandra kelloggii Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC365836  Deinandra kelloggii Mrs. K. Curran Contra Costa near Antioch Comment
  UC480907  Deinandra kelloggii Katharine Brandegee 1907-5-1 Contra Costa near Antioch; Judsonville Comment
  UC480997  Deinandra kelloggii Mary K. Curran May 1886 Contra Costa near Antioch Comment
  UC88925  Deinandra kelloggii K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC88926  Deinandra kelloggii K. Brandegee 1892-6-8 Contra Costa Antioch Comment
  UC88930  Deinandra kelloggii unknown 1883-7-1 Contra Costa Antioch Comment
  UC990569  Deinandra kelloggii James I. McMurphy 1909-5-21 Contra Costa Antioch Comment
  UC990571  Deinandra kelloggii James I. McMurphy 1908-10-18 Contra Costa Antioch Comment
  CAS-BOT-BC8748  Delphinium hansenii H. Lewis; C. Epling 1946-5-5 605 Contra Costa 0.5 miles south of Somersville Comment
  LA207418  Delphinium hansenii H. Lewis; Carl Epling 1946-5-5 605 Contra Costa 0.5 mi. S of Somersville Comment
  UC1018502  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1946-5-5 605 Contra Costa 0.5 mi s Somersville Comment
  GH38224  Delphinium hesperium M. K. Curran 1883-05-01 - 1883-06-01 6 Unknown Antioch Comment
  CAS-BOT-BC10014  Delphinium hesperium subsp. pallescens A. A. Heller 1908-4-17 8906 Contra Costa Hills, three miles south of Antioch,. 18 Comment
  UC13984  Delphinium hesperium subsp. pallescens Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  UC9195  Delphinium hesperium subsp. pallescens J. Burtt Davy 1895-4-8 974 Contra Costa foothills Antioch Comment
  UC136343  Delphinium parryi subsp. parryi M. K. Curran May 1886 Contra Costa near Antioch Comment
  UC9189  Delphinium parryi subsp. parryi J. Burtt Davy 1895-4-8 975 Contra Costa foothills Antioch Comment
  UC9200  Delphinium patens J. Burtt Davy 1895-4-7 964 Contra Costa foothills Antioch Comment
  GH369735  Delphinium recurvatum A. A. Heller 1908-4-17 8906 Unknown Hills three miles south of Antioch 18 Comment
  UC9250  Delphinium variegatum J. Burtt Davy 1895-4-8 971 Contra Costa foothills Antioch Comment
  POM199453  Delphinium variegatum subsp. variegatum Katherine Brandegee s.n. Contra Costa Antioch Comment
Read comments
Sep 3 2010
  JEPS51676  Dendromecon rigida Chesnut and Drew April, 1890 Contra Costa Sommersville Comment
  UCD61248  Deschampsia cespitosa Ann F. Johnson 1978-5-26 AN- 23 Contra Costa At edge of San Joaquin River, Antioch Dunes. Comment
  CAS-BOT-BC43126  Descurainia pinnata subsp. brachycarpa Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  JEPS64178  Dichelostemma capitatum Adele Grant Mar 1914 Contra Costa Antioch Comment
  CHSC21611  Dichelostemma capitatum subsp. capitatum Willis Ball 1975-2-23 442 Contra Costa In area #2. Ca. 50 yds sw of main parking lot. Contra Loma Regional Park. 45 Comment
  CAS-BOT-BC150330  Diplacus aurantiacus Alice Eastwood 1921-4-18 10287 Contra Costa Antioch Comment
  CDA15235  Distichlis spicata G. F. Hrusa, D. Crowe 1998-5-8 14365 Contra Costa Sacramento Delta; Disturbed margins of wetlands near San Joaquin River shore within Dow Chemical property at Pittsburg. Forming large dense mats in wet areas and those recently wet. Some stands flowering heavily. Perennial, dominant in some sites. Comment
  CHSC21631  Dodecatheon clevelandii subsp. patulum Willis Ball 1975-3-9 494 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope near top of hill ca. 500 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 149 Comment
  UC1123279  Dodecatheon clevelandii subsp. patulum R. C. Wilson 1935-2-26 110 Contra Costa 3/4 mi sw Somersville; Mt. Diablo Quad., sw of Somersville Comment
  CHSC21632  Dodecatheon hendersonii Willis Ball 1975-3-9 493 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope near top of hill ca. 550 yds sw of main parking lot ca. 850 yds w of Contra Loma Blvd. 149 Comment
  UC1123275  Dodecatheon hendersonii R. C. Wilson 1935-2-27 114 Contra Costa Somersville Mt. Diablo Quad. Comment
  UC1481550  Downingia insignis Neil Havlik 1980-5-10 914 Contra Costa near Antioch (along Deer Valley Rd, 0.25 mi n of Balfour Rd) Comment
  OBI48705  Downingia ornatissima Lewis S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 Comment
  SEINET3147638  Downingia ornatissima L. S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 Comment
  UCR196231  Downingia ornatissima Beecher Crampton 1950-4-22 530 Contra Costa 2 mi south of Antioch, on road from Antioch to Lone Tree Valley 61 Comment
  UC765585  Downingia ornatissima var. eximia R. F. Hoover 1941-4-12 4841 Contra Costa 2 mi s Antioch Comment
  UC924240  Downingia ornatissima var. eximia H. S. Reed 1940-4-30 357 Contra Costa 4 mi s Antioch 15 Comment
  CAS-BOT-BC197109  Echinochloa crus-galli Walter Knight 1978-8-27 3198 Contra Costa Contra Loma Regional Park near Antioch 30 Comment
  CAS-BOT-BC197224  Echinochloa crus-pavonis Walter Knight 1978-8-27 3199 Contra Costa Contra Loma Regional Park near Antioch 30 Comment
  CDA15281  Echinochloa crus-pavonis G. F. Hrusa, D. Crowe, R. York 1998-7-17 14719 Contra Costa Sacramento Delta; Scattered in dry areas of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Annual, culms gen taller than this. Comment
  CDA32861  Egeria densa D. G. Kelch 2010-10-5 10 .426 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC1606287  Egeria densa Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10864 Contra Costa just w Antioch marina (accessed from marina); Dow Wetlands Preserve Comment
  UC702897  Elaeagnus angustifolia Dr. E. C. Van Dyke 1941-10-4 Contra Costa River e of Antioch Comment
  UCR11895  Elaeagnus angustifolia E. C. Van Dyke 1941-10-4 s.n. Contra Costa [San Joaquin] river bank east of Antioch 15 Comment
  UCD61820  Elymus glaucus Beecher Crampton 1956-5-14 3382 Contra Costa Markley Canyon, on the Somersville Road, 4.4 miles southwest of Antioch. Comment
  UCD62515  Elymus multisetus Beecher Crampton 1956-5-14 3386 Contra Costa Between the old coal mining towns of Somersville and Nortonville, 6.7 miles southwest of Antioch. Comment
  UC84481  Epilobium campestre T. S. Brandegee 1892-6-8 Contra Costa Antioch Comment
  UCR115054  Epilobium campestre G. Fred Hrusa, D. Crowe, R. York 1998-7-17 14709 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  JEPS22431  Epilobium cleistogamum Mary K. Curran May 1886 Contra Costa near Antioch Comment
  UC635735  Epilobium cleistogamum M. K. Curran May 1886 Contra Costa Antioch Comment
  UC84478  Epilobium cleistogamum Katharine Curran Jun 1884 Contra Costa Antioch Comment
Read comments
Mar 27 2016
  CDA15272  Epilobium pygmaeum G. F. Hrusa, D. Crowe, R. York 1998-7-17 14709 Contra Costa Sacramento Delta; E end of Dow Chemical property, Antioch. Comment
  CDA15286  Epilobium pygmaeum G. F. Hrusa, D. Crowe, R. York 1998-7-17 14725 Contra Costa Sacramento Delta; E side of Antioch-Pittsburg Hwy at E end of Dow Chemical property. Comment
  CAS-BOT-BC57103  Equisetum X ferrissii W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes Comment
  CAS-BOT-BC287525  Ericameria linearifolia Kellogg No date on label s.n. Contra Costa Antioch Comment
  UC186077  Ericameria linearifolia K. Brandegee May 1886 Contra Costa Antioch Comment
  UC86674  Ericameria linearifolia unknown 1889-5-1 Contra Costa Antioch Comment
  JEPS79321  Erigeron foliosus var. franciscensis Edward Lee with Annetta Carter 1935-8-17 1633 Contra Costa Antioch sand-dunes Comment
  UC87533  Erigeron foliosus var. franciscensis T. S. Brandegee 1883-7-1 Contra Costa Antioch Comment
  UC87849  Erigeron philadelphicus var. philadelphicus T. S. Brandegee 1892-5-1 Contra Costa Antioch Comment
  UC126026  Eriodictyon californicum Katharine Brandegee June, 1908 Contra Costa Antioch Comment
  CAS-BOT-BC250386  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa Antioch 15 Comment
  UC1032304  Eriogonum gracile G. T. Nordstrom 1937-10-28 1409 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quadrangle Comment
  UC1094040  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa sand hills, Antioch Antioch 15 Comment
  RSA39906  Eriogonum nudum var. auriculatum P. A. Munz 1947-10-8 12204 Contra Costa Sand dunes east of Antioch 8 Comment
  JEPS79013  Eriogonum nudum var. psychicola Edward Lee with Annetta Carter 1935-8-17 1630 Contra Costa Antioch sand-dunes Comment
  JEPS79014  Eriogonum nudum var. psychicola Edward Lee with Annetta Carter 1935-8-17 1631 Contra Costa Antioch Comment
  UC1167551  Eriogonum nudum var. psychicola R. W. Thorp 1958-8-20 20 Contra Costa Antioch Comment
Read comments
Aug 24 2011
  UC1926783 Image available Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Contra Costa County: Antioch Dunes on San Joaquin River east of Antioch. Comment
  CAS-BOT-BC253092  Eriogonum roseum R. F. Hoover 1940-11-30 4699 Contra Costa 2 mi. S of Antioch Comment
  CAS-BOT-BC253093  Eriogonum roseum R. F. Hoover 1940-11-30 4699 Contra Costa 2 mi. south of Antioch Comment
  UC762690  Eriogonum roseum R. F. Hoover 1940-11-30 4699 Contra Costa 2 mi s Antioch Comment
  UC768654  Eriogonum roseum R. F. Hoover 1937-9-2 2712 Contra Costa 2 mi s Antioch Comment
  CAS-BOT-BC267445  Eriogonum truncatum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC267446  Eriogonum truncatum M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC267447  Eriogonum truncatum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC267449  Eriogonum truncatum M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  JEPS56301  Eriogonum truncatum M. K. Curran May 1886 Contra Costa Antioch Comment
  POM89812  Eriogonum truncatum M. K. Curran 1886-05 s.n. Contra Costa Antioch Comment
  SBBG65483  Eriogonum truncatum M. K. Curran -May-1886 Contra Costa Antioch Comment
  UC85720  Eriogonum truncatum M. K. Curran May 1886 Contra Costa Antioch Comment
  UC1130297  Erodium cicutarium R. C. Wilson 1935-2-26 113 Contra Costa Somersville Mt. Diablo Quad. 289 Comment
  JEPS105685  Erodium macrophyllum David Gowen 2003-2-23 s. n. Contra Costa Black Diamond Mines Regional Park, w-facing hillside ca. 1 km due E of Sidney Flat Comment
  JEPS105747  Erodium macrophyllum Barbara Ertter with David Gowen, Mike Park, Wilde Legard 2004-4-13 18346 Contra Costa Black Diamond Mines Regional Preserve, WSW-facing slope above water tank E of River View Loop Trail, over saddle E of park headquarters at Sidney Flat 182 Comment
  POM127732  Erodium macrophyllum Katherine Brandegee 1907-5-5 s.n. Contra Costa Judsonville near Antioch. Comment
  UC1130310  Erodium macrophyllum C. M. Belshaw 1936-5-15 2126 Contra Costa 1.75 mi ne Somerville; Mt. Diablo Quad. 152 Comment
  UC17062  Erodium macrophyllum J. Burtt Davy 1895-4-7 945 Contra Costa Antioch Comment
  UC202739  Erodium macrophyllum Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  CHSC21643  Erodium moschatum Willis Ball 1975-3-2 463 Contra Costa Contra Loma Regional Park. In area #1. In island in middle of main parking lot on s side of lake. 38 Comment
  CAS-BOT-BC211072  Eryngium Katharine Brandegee 1907-5-16 s.n. Contra Costa Antioch Comment
  UC1584829  Eryngium articulatum Jerry Powell 1990-8-29 1587 Contra Costa Antioch Nat'l Wildlife Refuge Comment
  CAS-BOT-BC40764  Erysimum capitatum Alice Eastwood 1921-4-18 10285 Contra Costa Antioch. Comment
  CAS-BOT-BC40765  Erysimum capitatum Alice Eastwood; John Thomas Howell 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  CAS-BOT-BC40766  Erysimum capitatum Alice Eastwood; John Thomas Howell 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  CAS-BOT-BC40770  Erysimum capitatum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC40772  Erysimum capitatum Robert F. Hoover 1935-3-10 305 Contra Costa Antioch. Comment
  CAS-BOT-BC40774  Erysimum capitatum J. H. Thomas 1953-4-25 3010 Contra Costa Antioch sand hills along San Joaquin River, 0.2 mile west of Antioch Bridge. Comment
  CAS-BOT-BC40775  Erysimum capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  NY32656  Erysimum capitatum subsp. angustatum A. Eastwood 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  GH379525  Erysimum capitatum var. angustatum G. B. Rossbach 1955-3-13 570 Unknown Dunes along tidal estuary of San Joaquin R just E of Antioch 24 Comment
  GH379527  Erysimum capitatum var. angustatum A. Eastwood & J. T. Howell 1936-4-19 2151 Unknown Antioch sand hills Comment
  GH379528  Erysimum capitatum var. angustatum R. F. Hoover 1935-3-10 305 Unknown Antioch sand hills Comment
  GH379529  Erysimum capitatum var. angustatum A. A. Heller 1908-4-16 8898 Unknown Sand hills east of Antioch 22 Comment
  GH379530  Erysimum capitatum var. angustatum J. Burtt Davy 1895-4-7 876 Unknown Sand hills, Antioch Comment
  GH379532  Erysimum capitatum var. angustatum R. F. Hoover 1937-5-14 2111 Unknown Antioch sand-dunes Comment
  POM224444  Erysimum capitatum var. angustatum Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Antioch Comment
  RSA39907  Erysimum capitatum var. angustatum P. A. Munz 1947-10-8 12205 Contra Costa Antioch 8 Comment
  JEPS68964  Erysimum capitatum var. capitatum Edward Lee 1935-3-10 1296 Contra Costa e Antioch (hollow in stablized dune); Antioch Sand Dunes Comment
  SBBG92005  Erysimum capitatum var. capitatum H. L. Mason 1933-4-9 7189 Contra Costa E of Antioch along the San Joaquin River 12 Comment
  UC1034729  Erysimum capitatum var. capitatum G. B. and R. P. Rossbach 1938-6-5 858 Contra Costa low sand dunes along tidal estuary of river just e San Joaquin River Comment
  UC1034753  Erysimum capitatum var. capitatum G. B. Rossbach 1955-3-13 570 Contra Costa dunes along tidal estuary of river just e Antioch; San Joaquin R Comment
  UC10532  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa Antioch Comment
  UC10536  Erysimum capitatum var. capitatum J. Burtt Davy and E. L. Greene 1895-4-7 996 Contra Costa Antioch Comment
  UC10540  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa Antioch; ; Type locality of Cheiranthus angustatus Greene Comment
  UC10565  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 996 Contra Costa foothills Antioch Comment
  UC10566  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 996 Contra Costa foothills Antioch Comment
  UC534852  Erysimum capitatum var. capitatum H. L. Mason 1933-4-9 7189 Contra Costa sand hills along river e Antioch; San Joaquin River 12 Comment
  UC673518  Erysimum capitatum var. capitatum H. L. Mason 1931-4-5 5822 Contra Costa Antioch sand hills Comment
  UC762935  Erysimum capitatum var. capitatum R. F. Hoover 1937-5-14 2111 Contra Costa Antioch sand-dunes Comment
  UCD114997  Erysimum capitatum var. capitatum R. F. Hoover 1935-3-10 s.n. Contra Costa Antioch. Comment
  UC726212  Eschscholzia A. A. Heller 1938-4-9 15018 Contra Costa 3 mi sw of Antioch Comment
  CAS-BOT-BC402983  Eschscholzia californica A. A. Heller 1938-4-9 15018 Contra Costa 3 miles southwest of Antioch Comment
  CAS-BOT-BC402984  Eschscholzia californica A. A. Heller 1908-4-17 8904 Contra Costa Hills three miles south of Antioch 18 Comment
  CAS-BOT-BC402987  Eschscholzia californica James McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC402988  Eschscholzia californica James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC402991  Eschscholzia californica Philip A. Munz 1947-10-8 12190 Contra Costa Antioch 12 Comment
  CAS-BOT-BC402993  Eschscholzia californica M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC402994  Eschscholzia californica Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  JEPS12792  Eschscholzia californica Rimo Bacigalupi with G. T. Robbins 1955-5-4 4982 Contra Costa 1 1/4 mi e Antioch; San Joaquin River front 9 Comment
  JEPS79015  Eschscholzia californica Edward Lee with Annetta Carter 1935-8-17 1632 Contra Costa Antioch Sand-dunes Comment
  UC118493  Eschscholzia californica T. S. Brandegee May 1883 Contra Costa Antioch Comment
  UC125904  Eschscholzia californica Katharine Brandegee 1908-6-16 4 Contra Costa 5 mi s Antioch Comment
  CAS-BOT-BC5937  Eschscholzia recta Mary Katherine (Mrs.) Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC91576  Eschscholzia rhombipetala Brandegee 1889-4-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC91578  Eschscholzia rhombipetala Brandegee 1889-4-1 s.n. Contra Costa Antioch. Comment
  GH381571  Eschscholzia rhombipetala 1884-05-01 - 1884-06-01 Unknown Antioch Comment
  GH381572  Eschscholzia rhombipetala T. S. Brandegee 1889-04-01 - 1889-05-01 Unknown Antioch Comment
  GH381573  Eschscholzia rhombipetala E. L. Greene 1884-05-01 - 1884-06-01 Unknown Near Antioch Comment
  UC2062608  Euphorbia spathulata Barbara Ertter with David Gowen, Mike Park, Wilde Legard 2004-4-13 18345 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, east of River View Loop Trail, over saddle east of park headquarters at Sidney Flat Comment
  GH21077  Evax caulescens var. sparsiflora C. C. Parry 1883-5-1 Unknown Antioch Comment
  GH21078  Evax caulescens var. sparsiflora C. C. Parry 1883-05-01 - 1883-06-01 Unknown Antioch Comment
  UC1949268  Festuca microstachys Barbara Ertter 1991-5-5 9779 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon, N-facing slope Comment
  CAS-BOT-BC223861  Frankenia salina Walter Knight; Irja Knight 1968-8-14 2418 Contra Costa On Contra Loma Drive, north side of road, Contra Loma Regional Park, near Antioch Comment
  CHSC23360  Frankenia salina Willis Ball 1975-6-1 534 Contra Costa Contra Loma Regional Park. In area #11. On s side of road ca. 200 yds e of main entrance to park. 60 Comment
  UC1123360  Fraxinus dipetala C. M. Belshaw 1936-5-15 2128 Contra Costa Stewartsville Mt. Diablo Quad. 228 Comment
  UC765860  Fritillaria affinis R. F. Hoover 1939-4-13 4013 Contra Costa head of Markley Canyon, (west branch) Markley Canyon Comment
  JEPS2598 Image available Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch Comment
  UC3643  Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch, [in the foothills rather than the sand-hills] Antioch Comment
  UC171670  Galium andrewsii subsp. gatense K. Brandegee May 1889 Contra Costa Antioch Comment
  CHSC21612  Galium aparine Willis Ball 1975-2-23 440 Contra Costa Contra Loma Regional Park. In area #2. On SE side of hill ca. 20 yds W of boat ramp at W side of lake. 45 Comment
  UC1039519  Galium aparine Herbert L. Mason 1932-3-20 6840 Contra Costa Antioch sand hills Comment
  UC1143107  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (Plot 38); Mt. Diablo Quadrangle Comment
  UC579540  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (ne of Mt. Diablo); Mt. Diablo Quadrangle 121 Comment
  CHSC25033  Geranium carolinianum Willis Ball 1975-3-26 512 Contra Costa Contra Loma Regional Park. In area #8. At the base of a large hill ca. 200 yds s of main parking lot at s end of lake. 60 Comment
  CDA31891  Gilia angelensis D. G. Kelch 2008-4-13 8 .04 Marin Mt Tamalpais. Matt Davis Trail. Near small picnic area between parking lot and mine entrance. Comment
  JEPS12791  Gilia capitata subsp. staminea Rimo Bacigalupi with G. T. Robbins 1955-5-4 4981 Contra Costa just e Antioch (on sand hills along San Joaquin River front); along San Joaquin River front, e of Antioch 9 Comment
  POM202474  Gilia capitata subsp. staminea L. S. Rose 1933-4-17 33090 Contra Costa Antioch. Comment
  POM65956  Gilia capitata subsp. staminea Edward L. Greene 1903-4-25 2805 Contra Costa Antioch. Comment
  RSA276842  Gilia capitata subsp. staminea James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  RSA8346  Gilia capitata subsp. staminea L. S. Rose 1933-4-17 33090 Contra Costa Antioch. Comment
  UC1084502  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa e Antioch (hills bordering San Joaquin River); hills bordering San Joaquin River e of Antioch Comment
  UC134012  Gilia capitata subsp. staminea C. F. Baker 1903-4-25 2805 Contra Costa Antioch Comment
  UC1347218  Gilia capitata subsp. staminea Lewis S. Rose 1933-4-17 33090 Contra Costa Antioch Comment
  UC23453  Gilia capitata subsp. staminea J. Burtt Davy 1895-4-7 892 Contra Costa Antioch Comment
  UC402614  Gilia capitata subsp. staminea C. L. Swenson April, 1930 Contra Costa Antioch Comment
  UC517980  Gilia capitata subsp. staminea Lewis S. Rose 1933-4-17 33090 Contra Costa Antioch Comment
  UC913387  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa hills e Antioch (bordering San Joaquin River); , e of Antioch Comment
  UC932019  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1947-4-13 7925 Contra Costa sand hills by railroad tracks e Antioch; e of Antioch Comment
  UC963965  Gilia clivorum R. F. Hoover 1938-3-25 2895 Contra Costa Markley Canyon Comment
  CHSC21634  Gilia tricolor Willis Ball 1975-3-9 489 Contra Costa Contra Loma Regional Park. In area #8. Level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 76 Comment
  JEPS85957  Gilia tricolor subsp. tricolor A. L. Grant 1915-3-14 Contra Costa Antioch Comment
  JEPS85959  Gilia tricolor subsp. tricolor A. L. Grant 1915-3-14 Contra Costa Antioch Comment
  CDA15251  Grindelia camporum G. F. Hrusa, D. Crowe 1998-5-8 14382 Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CAS-BOT-BC305232  Grindelia hirsutula Walter Knight 1978-8-27 3144 Contra Costa Contra Loma Regional Park 30 Comment
  JEPS40435  Grindelia hirsutula William Turner 1965-11-23 Contra Costa in the sand hills just e Antioch (along the San Joaquin River); , in the Antioch sand hills Comment
  UC1118567  Grindelia hirsutula C. M. Belshaw 1936-5-15 2127 Contra Costa 2 1/2 mi nw Lone Tree Valley; Mt. Diablo Quad. Comment
  UC1118576  Grindelia hirsutula G. T. Nordstrom 1937-10-28 1408 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  UC1618424  Grindelia hirsutula Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10872 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC87885  Grindelia hirsutula T. S. Brandegee June 1884 171 Contra Costa Antioch Comment
  JEPS20871  Guillenia flavescens J. Burtt Davy 1895-4-7 969 Contra Costa Antioch Comment
  UC117325  Guillenia flavescens T. S. Brandegee May 1892 Contra Costa Antioch Comment
  UC205988  Guillenia flavescens Katharine Brandegee Contra Costa Antioch Comment
  UC1601407  Guillenia lasiophylla Katharine Brandegee 1907-5-3 Contra Costa near Antioch; Judsonville Comment
  CAS-BOT-BC304582  Gutierrezia californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC304583  Gutierrezia californica Walter Knight 1965-9-7 1172 Contra Costa Overlooking San Joaquin River. Antioch sand dunes Comment
  JEPS40433  Gutierrezia californica William Turner 1965-10-13 Contra Costa in the sand hills Antioch (along the San Joaquin River); San Joaquin River, Antioch Comment
  JEPS79354  Gutierrezia californica Edward Lee with Annetta Carter 1935-8-17 1622 Contra Costa Antioch sand-dunes Antioch Comment
  RSA201182  Gutierrezia californica Peter Rubtzoff 1954-9-14 1750 Contra Costa Sand dunes along lower San Joaquin River, east of Antioch. Comment
  RSA299550  Gutierrezia californica Edward Lee, Annetta Carter 1935-8-17 1622 Contra Costa Antioch Comment
  UC1118612  Gutierrezia californica G. T. Nordstrom 1937-10-28 1406 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  UC74076  Gutierrezia californica Jos. Burtt Davy 1895-4-8 894 Contra Costa Antioch Comment
  UC1594170  Helenium bigelovii Jerry Powell 1991-6-29 1611 Contra Costa intertidal zone at river edge Antioch National Wildlife Refuge Comment
  JEPS21041  Helianthella castanea R. F. Hoover 1939-4-13 4014 Contra Costa head of west branch Markley Canyon Comment
  UC761942  Helianthella castanea R. F. Hoover 1939-4-13 4014 Contra Costa head (west branch) Markeley Canyon Comment
  CAS-BOT-BC223916  Helianthemum scoparium Robert F. Hoover 1939-5-20 4108 Contra Costa Head of Markley Canyon Comment
  UCR197902  Heliotropium curassavicum Beecher Crampton 1949-7-15 486 Contra Costa Below original site of Judsonville, at head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch 114 Comment
  CDA15271  Hemizonia fitchii G. F. Hrusa, D. Crowe, R. York 1998-7-17 14708 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  RSA181368  Hemizonia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  UCR197900  Hemizonia fitchii Beecher Crampton 1949-7-15 485 Contra Costa Below original site of Judsonville, at head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch 114 Comment
  CAS-BOT-BC33236  Hemizonia kelloggii Albert Kellogg 1870-4-22 s.n. Contra Costa near Antioch Comment
  GH8960  Hemizonia kelloggii A. Kellogg 1870-4-22 Unknown Antioch Comment
  POM30955  Hemizonia kelloggii Katherine Brandegee 1907-5-5 19 Contra Costa Near Antioch. Comment
  RSA103865  Hemizonia kelloggii M. K. Curran 1886-04 95 Contra Costa Antioch. Comment
  RSA81659  Hemizonia kelloggii James I. McMurphy 1908-10-18 Contra Costa Antioch Comment
  CDA15242  Hemizonia pungens G. F. Hrusa, D. Crowe 1998-5-8 14373 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CAS-BOT-BC124027  Hesperevax caulescens M. K. Curran 1883-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC310161  Hesperevax caulescens Dr. A. Kellogg; W. G. W. Harford 1868-1-1 419 Contra Costa Antioch Comment
  JEPS29512  Hesperevax caulescens M. K. Curran May 1886 Contra Costa Antioch Comment
  SD9135  Hesperevax caulescens Katherine Curran April 1883 Contra Costa Antioch Comment
Read comments
Jan 23 2015
  UC88275  Hesperevax sparsiflora var. sparsiflora M. K. Curran May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC167427  Hesperolinon breweri T. S. Brandegee 1884-5-1 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC167428  Hesperolinon breweri M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC167429  Hesperolinon breweri Robert F. Hoover 1939-5-20 4106 Contra Costa Head of Markley Canyon Comment
  CAS-BOT-BC167435  Hesperolinon breweri Mrs. Brandegee 1884-5-1 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC167445  Hesperolinon breweri K. C. 1884-6-1 s.n. Contra Costa Antioch Comment
  POM86814  Hesperolinon breweri Katherine Brandegee 1907-6-16 s.n. Contra Costa Hills betweeen Antioch and Marsh Creek, on easterly side of Mt. Diablo Comment
  RSA102173  Hesperolinon breweri M. K. C. 1885-06 s.n. Contra Costa Antioch Comment
  UC762273  Hesperolinon breweri R. F. Hoover 1939-5-20 4106 Contra Costa head Markley Canyon Comment
  CAS-BOT-BC422499  Hesperomecon linearis Alice Eastwood 1921-4-18 10293 Contra Costa Antioch Comment
  GH257596  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Unknown Antioch Comment
  POM149311  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Contra Costa Antioch. Comment
  UC187375  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Contra Costa Antioch Comment
  UC194136  Hesperomecon linearis Edward Lee Greene 1887-4-15 Contra Costa Antioch Comment
  UC35056  Hesperomecon linearis Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  UC35090  Hesperomecon linearis W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  CAS-BOT-BC318822  Heterotheca grandiflora Walter Knight 1965-3-1 907 Contra Costa Antioch Dunes Comment
  JEPS20390  Heterotheca grandiflora W. L. Jepson 1923-10-4 10226 Contra Costa Antioch Comment
  JEPS40434  Heterotheca grandiflora William Turner 1965-11-23 Contra Costa just e Antioch (in the Antioch sand hills); San Joaquin River Comment
  UC1584840  Heterotheca grandiflora Jerry Powell 1990-3-9 1574 Contra Costa Antioch National Wildlife Refuge Comment
  UC723790  Heterotheca grandiflora Joseph Andorfer Ewan 1935-3-10 9152 Contra Costa esp. on bluffs overlooking Sacramento River at Antioch Sacramento River Comment
  UC1619993  Heterotheca sessiliflora subsp. bolanderi Barbara Ertter 1991-5-5 9770 Contra Costa s of Pittsburg (s side of Rose Hill above cemetery, Black Diamond Mines Regional Preserve); Black Diamond Mines Regional Preserve, Rose Hill 365 Comment
  JEPS79318  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  UC87407  Heterotheca sessiliflora subsp. echioides Mrs. K. Brandegee 1883-7-1 Contra Costa Antioch Comment
  CDA15278  Hirschfeldia incana G. F. Hrusa, D. Crowe, R. York 1998-7-17 14715 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  UC89060  Holocarpha heermannii T. S. Brandegee 1887-5-1 Contra Costa near Antioch Comment
  UC1069564  Holocarpha virgata subsp. virgata G. T. Nordstrom 1937-10-28 1407 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 188 Comment
  CDA15241  Hordeum marinum subsp. gussoneanum G. F. Hrusa, D. Crowe 1998-5-8 14372 Contra Costa Sacramento Delta; Formerly disturbed, low poorly drained depression on Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Dense colony surrounding lowest part of depression. Site now dry, appar. wet earlier, appears alkaline. Annual. Comment
  UCD36911  Hordeum murinum subsp. glaucum Beecher Crampton 1956-5-14 3375 Contra Costa 5 miles south of Antioch, on Empire Mine Drive, at head of Deer Valley. Comment
Read comments
Aug 17 2011
  UCD86141  Hordeum murinum subsp. glaucum Beecher Crampton 1956-5-14 3375 Contra Costa 5 miles south of Antioch. At head of Horse Valley. Comment
Read comments
Aug 17 2011
  CAS-BOT-BC284889  Hordeum murinum subsp. leporinum Alice Eastwood 1921-4-18 10264 Contra Costa Antioch Comment
  CHSC21616  Hordeum murinum subsp. leporinum Willis Ball 1974-4-21 430 Contra Costa Contra Loma Regional Park. In area #1. Immediately to the s side of the main parking lot at the s end of the lake. 38 Comment
  CAS-BOT-BC55475  Hornungia procumbens Volney Rattan 1877-4-1 s.n. Contra Costa Antioch. Comment
  JEPS96251  Hydrocotyle verticillata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10863 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC1619916  Hydrocotyle verticillata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10863 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC1795762  Hydrocotyle verticillata Barbara Ertter, Lincoln Constance 1995-6-16 14260 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UC454506  Hydrocotyle verticillata I. J. Condit 1908-8-19 Contra Costa Antioch Comment
  JEPS368  Isoetes orcuttii J. Burtt Davy 1895-4-7 900 Contra Costa Antioch Comment
  CAS-BOT-BC324755  Iva axillaris James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  SEINET12637087  Johnstonella micromeres K. Brandegee 1889-1 s.n. Contra Costa Antioch. Comment
  CDA32294  Juncus ambiguus G. F. Hrusa, D. Crowe 1998-5-8 14363 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  UCD146717  Juncus ambiguus G. F. Hrusa; D. Crowe 1998-5-8 14363 Contra Costa Sacramento-San Joaquin River Delta. At east end of Dow Chemical property at Pittsburg. 10 Comment
  UCD146718  Juncus ambiguus G. F. Hrusa; D. Crowe 1998-5-8 14365 Contra Costa Sacramento-San Joaquin River Delta. Near San Joaquin River shore within Dow Chemical Property at Pittsburg. 10 Comment
  UC2028428  Juncus articulatus Barbara Ertter 1996-9-19 15300 Contra Costa Antioch Marina, edge of bay in Dow Marsh lands Comment
  CDA15236  Juncus balticus G. F. Hrusa, D. Crowe 1998-5-8 14367 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  JEPS66915  Juncus bufonius var. bufonius Burtt Davy 1895-4-7 948 a Contra Costa Antioch Comment
  JEPS67091  Juncus bufonius var. occidentalis J. Burtt Davy 1895-4-7 948 Contra Costa Antioch Comment
  CDA15268  Juncus mexicanus G. F. Hrusa, D. Crowe 1998-5-8 14399 Contra Costa Sacramento Delta; Drainage ditch parallel to Antioch-Pittsburg Hwy, at E end of Dow Chemical property. Comment
  UC2028588  Juncus oxymeris Barbara Ertter 1996-9-19 15299 Contra Costa Antioch Marina, edge of Dow Marsh lands. Comment
  CDA15284  Juncus phaeocephalus var. phaeocephalus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14722 Contra Costa Sacramento Delta; Antioch-Pittsburg Hwy. at E end of Dow Chemical property. Comment
  UC2046369  Juncus usitatus Barbara Ertter 2015-10-9 22456 Contra Costa N end of walkway on east edge of Dow Marsh west of Antioch marina on San Joaquin River Delta. Comment
  CDA21464  Kochia scoparia C. Thayer, Erin McDermott 2006-8-23 082306 a Contra Costa Antioch, NW corner of Deer Valley Rd. and Lone Tree Way. Comment
  SD243323  Kochia scoparia C. Thayer, Erin McDermott 2006-8-23 82306 a Contra Costa Antioch, northwest corner of Deer Valley Road and Lone Tree Way. Also noted near front of Prewett Family Water Park, 0.4 miles east near Aqueduct right of way. (CCCDA mostly eradicated both colonies in September). 45 Comment
  UCR246750  Kochia scoparia C. Thayer, Erin McDermott 2006-8-23 082306 A Contra Costa Antioch, northwest corner of Deer Valley Road and Lone Tree Way, along the Mokelumne Aquedduct right-of-way. 45 Comment
  CAS-BOT-BC341473  Lagophylla ramosissima James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC412725  Lastarriaea coriacea James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC412726  Lastarriaea coriacea Alice Eastwood 1921-4-18 10275 Contra Costa Antioch Comment
  CAS-BOT-BC412727  Lastarriaea coriacea Dr. A. Kellogg; W. G. W. Harford 1868-1-1 865 Contra Costa Antioch Comment
  UC14012  Lastarriaea coriacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  CAS-BOT-BC337975  Lasthenia californica Alice Eastwood 1921-4-18 10277 Contra Costa Antioch Comment
  CAS-BOT-BC337978  Lasthenia californica Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC337979  Lasthenia californica Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC337980  Lasthenia californica James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CHSC23361  Lasthenia californica Willis Ball 1975-4-19 523 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds sw of main parking lot at the s end of the lake. 38 Comment
  POM6192  Lasthenia californica C. F. Baker 1903-4-25 s.n. Contra Costa Antioch Comment
  RSA181411  Lasthenia californica James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch 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
  JEPS18328  Lasthenia conjugens E. L. Greene 1887-4-1 Contra Costa Antioch Comment
  UC1142637  Lasthenia conjugens Edw. L. Greene 1887-4-17 Contra Costa Antioch Comment
  UC194264  Lasthenia conjugens Edward Lee Greene 1887-4-16 Contra Costa Antioch Comment
  UC33073  Lasthenia conjugens Edw. L. Greene 1887-4-17 Contra Costa Antioch Comment
  UC33074  Lasthenia conjugens J. Burtt Davy 1895-4-7 968 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC90039  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC90071  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC135156  Lasthenia gracilis C. F. Baker 1903-4-25 2801 Contra Costa Antioch Comment
  UC30435  Lasthenia gracilis Jos. Burtt Davy 1895-4-7 891 Contra Costa Antioch Comment
  POM361575  Lasthenia microglossa Katherine Brandegee 1884-05 s.n. Contra Costa Antioch. Comment
  SD5689  Lasthenia microglossa K. Curran May 1884 Contra Costa Antioch. Comment
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Mar 10 2008
  UC89979  Lasthenia microglossa K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC89980  Lasthenia microglossa unknown 1890-4-22 Contra Costa near Antioch Comment
  CAS-BOT-BC366302  Lasthenia minor Alice Eastwood 1921-4-18 10297 Contra Costa Antioch Comment
  UC130780  Lasthenia minor T. S. Brandegee 1892-5-1 Contra Costa Antioch Comment
  UC191034  Lasthenia minor Katharine Brandegee 1904-5-5 Contra Costa near Antioch; Judsonville Comment
  UC30474  Lasthenia minor Jos. Burtt Davy 1895-4-7 937 Contra Costa Antioch Comment
  UC90072  Lasthenia minor K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  CDA15231  Lavatera cretica G. F. Hrusa, D. Crowe 1998-5-8 14360 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  CDA15250  Lavatera cretica G. F. Hrusa, D. Crowe 1998-5-8 14381 Contra Costa Sacramento Delta; Adjacent to Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CAS-BOT-BC323909  Layia chrysanthemoides M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC323927  Layia chrysanthemoides Alice Eastwood 1921-4-18 10257 Contra Costa Antioch Comment
  CHSC23345  Layia chrysanthemoides Willis Ball 1975-3-22 497 Contra Costa In area #5. Field ca. 200 yds due e of main boat ramp. 36 Comment
Read comments
May 24 2013
  UC30597  Layia chrysanthemoides J. Burtt Davy 1895-4-7 947 Contra Costa Antioch Comment
  UC89157  Layia chrysanthemoides T. S. Brandegee 1885-5-1 Contra Costa Antioch Comment
  UC912574  Layia chrysanthemoides Herbert L. Mason 1929-3-31 5151 Contra Costa Sacramento River at Antioch; Sacramento River Comment
  CAS-BOT-BC321077  Layia glandulosa Alice Eastwood; John Thomas Howell 1936-4-19 2150 Contra Costa Antioch sand hills Comment
  CAS-BOT-BC321078  Layia glandulosa Alice Eastwood; John Thomas Howell 1936-4-19 2150 Contra Costa Antioch sand hills Comment
  CAS-BOT-BC321079  Layia glandulosa Alice Eastwood 1921-4-18 10271 Contra Costa Antioch Comment
  CAS-BOT-BC321080  Layia glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  CAS-BOT-BC321081  Layia glandulosa C. F. Baker 1910-4-9 16 Contra Costa Antioch Comment
  CAS-BOT-BC321082  Layia glandulosa C. F. Baker 1909-5-20 s.n. Contra Costa Antioch Comment
  JEPS13502  Layia glandulosa Robert F. Hoover 1935-3-10 315 Contra Costa Antioch Comment
  JEPS40029  Layia glandulosa H. L. Mason 1932-3-20 Contra Costa Antioch Comment
  UC144256  Layia glandulosa E. L. Greene 1903-4-27 2939 Contra Costa Antioch Comment
  UC30632  Layia glandulosa J. Burtt Davy 1895-4-7 878 Contra Costa Antioch Comment
  UC30636  Layia glandulosa E. L. Greene 1886-5-1 Contra Costa Antioch Comment
  UC468861  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  UC761860  Layia glandulosa R. F. Hoover 1935-3-10 315 Contra Costa Antioch Comment
  UC89240  Layia glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  UC912575  Layia glandulosa Herbert L. Mason 1929-3-31 5155 Contra Costa at Antioch (along Sacramento River); along Sacramento River Comment
  UC990574  Layia glandulosa James I. McMurphy 1910-4-9 Contra Costa Antioch Comment
  POM53349  Layia glandulosa subsp. glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  GH414641  Layia heterotricha A. Kellogg 1867-4-16 477 Unknown Near Antioch Comment
Read comments
Dec 20 2018
  RSA102175  Layia heterotricha M. K. Curran 1886-05 s.n. Contra Costa Near Antioch. Comment
  UC89175  Layia hieracioides Brandegee May 1883 Contra Costa Judsonville Comment
  CAS-BOT-BC370663  Layia platyglossa Alice Eastwood; John Thomas Howell 1936-4-19 2149 Contra Costa Antioch Comment
  CAS-BOT-BC370664  Layia platyglossa Alice Eastwood 1921-4-18 10279 Contra Costa Antioch Comment
  CAS-BOT-BC370667  Layia platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch Comment
  CAS-BOT-BC377907  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  CAS-BOT-BC377910  Layia platyglossa James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC377911  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  OBI48835  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  SBBG28031  Layia platyglossa L. S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  SEINET3147924  Layia platyglossa L. S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  SEINET3387416 Image available Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch, California Comment
  UC30667  Layia platyglossa R. C. Marsh 1900-4-5 Contra Costa Antioch Comment
  UC518017  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC75378  Layia platyglossa unknown 1903-5-28 2874 Contra Costa Antioch Comment
  UC828944  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC89326  Layia platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch Comment
  UC89330  Layia platyglossa Brandegee Apr 1889 Contra Costa Antioch Comment
  POM53355  Layia platyglossa subsp. platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch. Comment
  UC2028427  Leersia oryzoides Barbara Ertter 1996-9-19 15297 Contra Costa Antioch Marina, edge of Dow Marsh lands Comment
  CAS-BOT-BC88704  Lepidium acutidens Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  UCD77805  Lepidium acutidens Robert E. Preston 1997-3-8 1017 Contra Costa Black Diamond Mines Regional Park, along Stewartsville Trail 137 Comment
  UCD144312  Lepidium chalepense G. F. Hrusa; D. Crowe 1998-5-8 14374 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. 2 Comment
  UCD146720  Lepidium chalepense G. F. Hrusa; D. Crowe 1998-5-8 14374 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. Adjacent to shore of San Joaquin River. 2 Comment
  CAS-BOT-BC89713  Lepidium latifolium W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes. Comment
  CAS-BOT-BC89763  Lepidium latipes Alice Eastwood 1921-4-18 10259 Contra Costa Antioch. Comment
  UCD77807  Lepidium latipes Robert E. Preston 1997-3-8 1015 Contra Costa Black Diamond Mines Regional Park, along Stewartsville Trail 91 Comment
  CAS-BOT-BC89893  Lepidium nitidum Alice Eastwood 1921-4-18 10259 Contra Costa Antioch. Comment
  CAS-BOT-BC89900  Lepidium nitidum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  CHSC21607  Lepidium nitidum Willis Ball 1975-2-23 446 Contra Costa Contra Loma Regional Park. In area #2. Ca. 160 yds w of main parking lot. 30 Comment
  CHSC22760  Lepidium nitidum Robert A. Schlising 1962-4-7 2146 Contra Costa Coast Ranges. Along roads and highways near Antioch Reservoir. Comment
  UCD77809  Lepidium nitidum Robert E. Preston 1997-3-8 1016 Contra Costa Black Diamond Mines Regional Park, along Stewartsville Trail 91 Comment
  UC1789934  Lepidium strictum Katharine Brandegee May 1907 Contra Costa Antioch Comment
  UC1949269  Leptosiphon ciliatus Barbara Ertter 1991-5-5 9781 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon; N-facing slope Comment
  UC87925  Lessingia glandulifera K. Brandegee 1883-1 Contra Costa Antioch Comment
  CAS-BOT-BC324111  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324113  Lessingia glandulifera var. glandulifera James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324117  Lessingia glandulifera var. glandulifera L. S. Rose 1955-10-17 55185 Contra Costa Antioch 15 Comment
  CAS-BOT-BC324118  Lessingia glandulifera var. glandulifera Alice Eastwood 1921-4-18 10270 Contra Costa Antioch Comment
  CAS-BOT-BC324119  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  UC88011  Lessingia nemaclada K. Brandegee 1883 Contra Costa Antioch Comment
  JEPS20320  Lessingia pectinata var. tenuipes Lewis S. Rose 1955-10-17 55185 Contra Costa Antioch 15 Comment
  JEPS79353  Lessingia pectinata var. tenuipes Edward Lee with Annetta Carter 1935-8-17 1621 Contra Costa Antioch Comment
  RSA39870  Lessingia pectinata var. tenuipes P. A. Munz 1947-10-8 12202 Contra Costa Sand dunes east of Antioch 8 Comment
  UC1094039  Lessingia pectinata var. tenuipes Lewis S. Rose 1955-10-17 55185 Contra Costa Antioch Comment
  UC1287410  Lessingia pectinata var. tenuipes Willard Spence 1962-5-15 672 Contra Costa 0.2 mi e of entrance to Antioch Boat Ramp Comment
  UC1287418  Lessingia pectinata var. tenuipes Willard Spence 1960-9-2 609 Contra Costa 0.2 mi e of Antioch Boat Ramp; Antioch Comment
  CAS-BOT-BC272216  Leymus triticoides Walter Knight 1978-8-27 3188 Contra Costa Contra Loma Regional Park 30 Comment
  CDA15266  Leymus triticoides G. F. Hrusa, D. Crowe 1998-5-8 14397 Contra Costa Sacramento Delta; Large colony at confluence of ditch adjacent to Antioch-Pittsburg highway and former streambed passing through disturbed grasslands at E end of Dow Chemical property in Pittsburg. Both blue-glaucous and green forms present. Comment
  CAS-BOT-BC211109  Lilaeopsis masonii Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa Antioch Sand Dunes, Little Corral site Comment
  CAS-BOT-BC211110  Lilaeopsis masonii W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes Comment
  UC1261904  Lilaeopsis masonii A. Q. Howard 1977-8-24 39 Contra Costa along Stamm property w. of Sardis property (Little Corral) Antioch Dunes Comment
  UC1818927  Lilaeopsis masonii Barbara Ertter, Lincoln Constance 1995-6-16 14261 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UC449794  Linanthus ciliatus Chesnut and Drew 1889-4-17 Contra Costa Sommersville Comment
  UC568777  Linanthus ciliatus G. L. Stebbins Jr. 1937-5-1 2111 Contra Costa 1 mi s Somersville 365 Comment
  UC932049  Linanthus ciliatus Verne Grant and Alva Grant 1948-5-15 8503 Contra Costa on Sommerville to Antioch road; Sommerville Range Comment
  UC125233  Linanthus pygmaeus subsp. continentalis T. S. Brandegee Apr 1889 Contra Costa Antioch Comment
  UC964003  Linanthus pygmaeus subsp. continentalis R. F. Hoover 1939-4-13 4020 Contra Costa w branch Head of Markley Canyon Comment
  CHSC59814  Lithophragma affine Willis Ball 1975-3-26 518 Contra Costa On n facing slope of large hill ca. 500 yds s of main parking lot, in area #8, 780 yds w of Contra Loma Blvd., Contra Loma Regional Park. 121 Comment
  UC402491  Lithophragma affine J. Burtt Davy 1895-4-7 922 Contra Costa foothills, Antioch Comment
  UC570875  Lithophragma affine H. L. Mason 1932-3-20 6843 Contra Costa Antioch Sand Hills Comment
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Oct 9 2006
  UC11926  Lithophragma cymbalaria J. Burtt Davy 1895-4-7 906 Contra Costa Antioch Comment
  CHSC57511  Lithophragma parviflorum var. parviflorum Willis Ball 1975-4-19 522 Contra Costa Contra Loma Regional Park, in area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  UC88259  Logfia filaginoides Mrs. K. Curran May 1886 Contra Costa Antioch Comment
  CDA15269  Lolium multiflorum G. F. Hrusa, D. Crowe 1998-5-8 14400 Contra Costa Sacramento Delta; Moist, areas within disturbed grasslands at E end of Dow Chemical property. Rare form with branched inflorescence. Perennial? Comment
  CHSC21628  Lolium multiflorum Willis Ball 1975-4-19 524 Contra Costa Contra Loma Regional Park. In area #1. Immediately to the s side of the main parking lot at the s end of the lake. 33 Comment
  UC50693  Lolium temulentum Alice Eastwood 1893-5-3 Contra Costa Antioch Comment
  UCD36917  Lolium temulentum Beecher Crampton 1956-5-14 3389 Contra Costa 7 miles southwest of city of Antioch, just east of old mining town of Nortonville. Comment
  UC21195  Lomatium caruifolium var. caruifolium W. H. Brewer 1862-5-20 1128 Contra Costa hill n. of coal mines on n. side of Mt. Diablo Comment
  UC763127  Lomatium dasycarpum subsp. dasycarpum R. F. Hoover 1939-4-13 4017 Contra Costa Markley Canyon, head of W branch Comment
  JEPS17116  Lomatium macrocarpum M. K. Curran May 1885 Contra Costa Antioch Comment
  UC106225  Lomatium macrocarpum Katharine Curran May 1885 Contra Costa Antioch Comment
  UC140639  Lomatium macrocarpum Katharine Curran May 1885 Contra Costa Antioch Comment
  UC21269  Lomatium utriculatum Alice Eastwood 1894-5-3 Contra Costa Antioch Comment
  CDA15230  Lotus corniculatus G. F. Hrusa, D. Crowe 1998-5-8 14359 Contra Costa Sacramento Delta; Adjacent to Dow Chemical plant at Pittsburg. Comment
  RSA138287  Lotus heermannii Volney Rattan 1879 Contra Costa Antioch Comment
  UC1129013  Lotus purshianus var. purshianus C. M. Belshaw 1936-5-13 2123 Contra Costa n of Horse Valley; Mt. Diablo Quad. 121 Comment
  JEPS55877  Lotus strigosus Chesnut and Drew 1890-4-18 Contra Costa Antioch Comment
  RSA181412  Lotus strigosus James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC33560  Lotus strigosus Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC555418  Lotus strigosus H. L. Mason 1932-3-20 6839 Contra Costa Antioch Comment
  UC764469  Lotus strigosus R. F. Hoover 1935-3-10 303 Contra Costa Antioch Comment
  UC727201  Lupinus A. A. Heller 1942-4-20 16428 Contra Costa Antioch just e of the Boat School Antioch High School (not far from the San Joaquin River); nor far from the San Joaquin River Comment
  CHSC21637  Lupinus albifrons Willis Ball 1975-3-9 486 Contra Costa In area #8. On n facing slope of large hill ca. 510 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 124 Comment
  GH366706  Lupinus albifrons C. F. Baker 1903-4-25 2823 Unknown Antioch Comment
  GH366707  Lupinus albifrons A. A. Heller 1908-4-16 8887 Unknown Antioch 12 Comment
  UC16053  Lupinus albifrons J. Burtt Davy 1895-4-7 873 Contra Costa Antioch Comment
  UC1713207  Lupinus albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch Comment
  UC764598  Lupinus albifrons Robert F. Hoover 1935-3-10 300 Contra Costa Antioch Comment
  CAS-BOT-BC201365  Lupinus albifrons var. albifrons James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC201366  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1936-4-19 2146 Contra Costa Antioch Comment
  CAS-BOT-BC201368  Lupinus albifrons var. albifrons Alice Eastwood 1921-4-18 10282 Contra Costa Antioch Comment
  CAS-BOT-BC201371  Lupinus albifrons var. albifrons A. A. Heller 1908-4-16 8887 Contra Costa Antioch 12 Comment
  CAS-BOT-BC201375  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC201377  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  POM10982  Lupinus albifrons var. albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch. Comment
  SEINET5766808 Image available Lupinus albifrons var. albifrons A. A. Heller 1908-1 8887 Contra Costa Antioch 12 Comment
  UC1607626  Lupinus albifrons var. collinus Barbara Ertter 1991-5-5 9772 Contra Costa halfway up E ridge Rose Hill (above cemetary, Black Diamond Mines Regional Preserve s of Pittsburg); Black Diamond Mines Regional Preserve, Rose Hill 365 Comment
  CAS-BOT-BC196217  Lupinus albifrons var. eminens C. F. Baker Apr. 25 2823 Contra Costa Antioch Comment
  UC201981  Lupinus arboreus Miss Harriet A. Walker 1911-7-2 2511 Contra Costa near Santa Fe Track Antioch (Antioch); , near Santa Fe Track Comment
  CHSC21618  Lupinus bicolor Willis Ball 1974-4-21 428 Contra Costa Contra Loma Regional Park. In area #1. On n side of road leading to main parking lot ca. 150 yds e of lot. One yd. n of road. 38 Comment
  UC1076228  Lupinus bicolor Herbert L. Mason 1931-4-5 5821 Contra Costa Antioch sandhills Comment
  UC614847  Lupinus bicolor Beryl O. Schreiber 1932-3-27 164 Contra Costa near Antioch; near Antioch Comment
  UC73195  Lupinus bicolor Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC75240  Lupinus bicolor C. F. Baker 1903-4-25 2822 Contra Costa Antioch Comment
  UC762917  Lupinus bicolor R. F. Hoover 1935-3-10 306 Contra Costa Antioch Comment
  CAS-BOT-BC187863  Lupinus chamissonis Alice Eastwood 1914-2-24 3735 Contra Costa Antioch Comment
  JEPS103668  Lupinus concinnus David Gowen 2003-5-15 Contra Costa Black Diamond Mines Regional Preserve, Chaparral Loop Trail 304 Comment
  CDA15261  Lupinus microcarpus G. F. Hrusa, D. Crowe 1998-5-8 14392 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  UCR197907  Lupinus microcarpus var. densiflorus Beecher Crampton 1950-4-22 525 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  UC155195  Lupinus microcarpus var. microcarpus Katharine Brandegee 1907-5-5 Contra Costa Antioch Comment
  UC1562540  Lupinus microcarpus var. microcarpus Barbara Ertter with Elizabeth Neese 1988-4-24 7453 Contra Costa between and parallel to Nortonville and Somersville roads Black Diamond Mines Regional Preserve sw Antioch; Black Diamond Mines Regional Preserve Comment
  UC1562852  Lupinus microcarpus var. microcarpus Barbara Ertter with Elizabeth Neese 1988-4-24 7453 Contra Costa between and parallel to Nortonville and Somersville roads Black Diamond Mines Regional Preserve sw Antioch; Black Diamond Mines Regional Preserve Comment
  UC15958  Lupinus microcarpus var. microcarpus A. Eastwood 1894-5-3 Contra Costa Antioch Comment
  UC15959  Lupinus microcarpus var. microcarpus A. Eastwood 1894-5-3 153 Contra Costa Antioch Comment
  UC15961  Lupinus microcarpus var. microcarpus J. Burtt Davy April 1895 Contra Costa Antioch Comment
  CHSC23154  Lupinus polycarpus Robert A. Schlising 1962-4-7 2149 Contra Costa Coastal Range. Roadside near Antioch Reservoir. Comment
  CHSC21642  Lupinus succulentus Willis Ball 1975-3-2 464 Contra Costa Contra Loma Regional Park. In area #4. At edge of beach on e side of lake ca. 50 yds s of dam. 33 Comment
  UC2028336  Luzula macrantha Barbara Ertter 1991-5-5 9778 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon Comment
  CDA33071  Lycopus americanus D. G. Kelch 2010-10-5 10 .425 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  JEPS107094  Lycopus americanus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10876 Contra Costa Dow Wetlands Preserve, just w. Antioch marina, e. end of marsh across from marina Comment
  UC1619951  Lycopus americanus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10876 Contra Costa just w. Antioch marina (Dow Wetlands Preserve, e. end of marsh across from marina); Dow Wetlands Preserve Comment
  UC89385  Madia exigua Katharine Brandegee May 1885 Contra Costa Antioch Comment
  CAS-BOT-BC324487  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  CAS-BOT-BC324488  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  CAS-BOT-BC324489  Madia radiata unspecified No date on label. s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324490  Madia radiata Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324491  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 miles southwest of Antioch Comment
  CAS-BOT-BC8141  Madia radiata Albert Kellogg s.n. Contra Costa Antioch Comment
  GH414743  Madia radiata M. K. Brandegee 1908-4-9 Unknown near Antioch Comment
  POM54304  Madia radiata Katherine Brandegee 1908-4-9 s.n. Contra Costa Borders of cultivated fields near Antioch Comment
  SD8606  Madia radiata Brandegee Apr 1889 Contra Costa Antioch Comment
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Jan 9 2007
  SD8607  Madia radiata Brandegee Apr 1889 Contra Costa Antioch Comment
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Jan 9 2007
  SD8608  Madia radiata Katherine Curran Unknown Contra Costa Antioch Comment
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Jan 9 2007
  SD8609  Madia radiata Katherine Curran May 1883 Contra Costa Antioch Comment
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Jan 9 2007
  SEINET3148105  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  UC112946  Madia radiata Mrs. K. Brandegee 1908-4-9 50 Contra Costa near Antioch Comment
  UC725398  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
  UC830900  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
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Aug 21 2017
  UC89534  Madia radiata M. K. Curran May 1889 Contra Costa Antioch Comment
  UC89535  Madia radiata unknown April 1889 Contra Costa near Antioch Comment
  UC109097  Malacothamnus fremontii T. S. Brandegee Apr 1889 Contra Costa antioch Comment
  UC763002  Malacothamnus fremontii R. F. Hoover 1939-5-20 4107 Contra Costa Head of Markley Canyon Comment
  CAS-BOT-BC345271  Malacothrix californica Kellogg; Brannan 1870-4-22 s.n. Contra Costa Antioch Comment
  UC33270  Malacothrix californica J. Burtt Davy 1895-4-7 881 Contra Costa Antioch Comment
  UC92255  Malacothrix californica M. K. Curran May, 1881 Contra Costa Antioch Comment
  UC92223  Malacothrix floccifera T. S. Brandegee Contra Costa Antioch Comment
  CHSC33984  Malva nicaeensis Willis Ball 1975-4-19 525 Contra Costa Contra Loma Regional Park. In area #1 ca. 40 yds sw of restroom facility at s end of reservoir. In picnic area. 36 Comment
  CDA15229  Malva parviflora G. F. Hrusa, D. Crowe 1998-5-8 14358 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UC108945  Malvella leprosa Mrs. K. Brandegee 1892-6-8 Contra Costa Antioch Comment
  CHSC21640  Marah fabacea Willis Ball 1975-3-2 466 Contra Costa In area #4. On hill top ca. 50 yds e of large willow trees at ne end of lake. Contra Loma Regional Park. 53 Comment
  CHSC23343  Matricaria discoidea Willis Ball 1975-3-26 507 Contra Costa Contra Loma Regional Park. In area #1. All around the restroom facilities at s end of lake. 30 Comment
  UC89519  Matricaria discoidea T. S. Brandegee May 1890 Contra Costa Antioch Comment
  CHSC21646  Medicago polymorpha Willis Ball 1975-3-2 476 Contra Costa Contra Loma Regional Park. In area #4. On e side of lake ca. 100 yds s of dam. 30 Comment
  JEPS65507  Medicago polymorpha W. L. Jepson 1923-10-4 10213 a Contra Costa Antioch Comment
  UC53671  Melica californica J. Burtt Davy Apr 7 1895-Apr 8 1895 928 Contra Costa Antioch Comment
  UCD86441  Melica californica Beecher Crampton 1956-5-14 3392 Contra Costa 7 miles southwest of Antioch, just east of old Nortonville. Comment
  CDA15238  Melilotus indicus G. F. Hrusa, D. Crowe 1998-5-8 14369 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  CHSC21641  Melilotus indicus Willis Ball 1975-3-2 465 Contra Costa Contra Loma Regional Park. In area #4. In sand on beach on e side of lake 70 yds s of dam. 30 Comment
  OBI72118  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass 366 Comment
  UC1949288  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass Comment
  UC19565  Mentzelia affinis J. Burtt Davy 1895-4-7 918 Contra Costa Antioch Comment
  UC88386  Micropus californicus var. californicus T. S. Brandegee May 1886 Contra Costa Antioch Comment
  RSA72855A  Microseris bigelovii A. Kellogg, W. G. W. Harford 1869-4-8 579 Contra Costa Antiock [Antioch] Comment
  UCD77859  Microseris douglasii Robert E. Preston 1997-3-8 1018 Contra Costa Black Diamond Mines Regional Park, along Stewartsville Trail. 91 Comment
  CAS-BOT-BC348884  Microseris douglasii subsp. douglasii A. A. Heller 1908-4-17 8901 Contra Costa Hills three miles south of Antioch 18 Comment
  CAS-BOT-BC348891  Microseris douglasii subsp. douglasii Alice Eastwood 1921-4-18 10252 Contra Costa Antioch Comment
  JEPS25387  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7000 Contra Costa along Lone Tree Way 2 1/2 mi se Antioch (just e of Antioch Airport) 56 Comment
  JEPS81843  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7000 Contra Costa along Lone Tree Way just e Antioch Airport (2 1/2 mi se of Antioch) 56 Comment
  RSA72855B  Microseris douglasii subsp. douglasii A. Kellogg, W. G. W. Harford 1869-4-8 579 Contra Costa Antiock [Antioch] Comment
  UC218905  Microseris douglasii subsp. douglasii Katharine Brandegee 1907-5-3 Contra Costa near Antioch Comment
  UC468893  Microseris douglasii subsp. douglasii M. K. Curran May, 1886 Contra Costa Antioch Comment
  UC71937  Microseris douglasii subsp. douglasii J. Burtt Davy 1895-4-7 966 Contra Costa Antioch Comment
  UC92107  Microseris douglasii subsp. douglasii M. K. Curran 1886-1 Contra Costa Antioch Comment
  CAS-BOT-BC7486  Microseris leiosperma M. K. Curran 1886-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC7493  Microseris parvula M. K. Curran s.n. Contra Costa Antioch Comment
  CAS-BOT-BC322765  Microseris sylvatica M. K. Curran 1884-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC322770  Microseris sylvatica T. S. Brandegee 1884-5-1 s.n. Contra Costa Antioch Comment
  UC103640  Mimulus aurantiacus var. aurantiacus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  CAS-BOT-BC151466  Mimulus latidens T. S. Brandegee 1888-5-1 s.n. Contra Costa Antioch Comment
  JEPS9268  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC103726  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC103731  Mimulus latidens T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC193602  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC27033  Mimulus latidens J. Burtt Davy 1895-4-7 933 Contra Costa Antioch Comment
  UC1028683  Minuartia californica Herbert L. Mason 1932-3-20 6849 Contra Costa Antioch Sand Hills Comment
  UC1076314  Monolepis nuttalliana Herbert L. Mason 1931-4-5 5891 Contra Costa Antioch sandhills Comment
  CAS-BOT-BC349617  Monolopia major James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC349621  Monolopia major Dr. A. Kellogg 1869-4-8 s.n. Contra Costa Antioch Comment
  CHSC22932  Monolopia major Robert A. Schlising 1962-4-7 2143 Contra Costa Coast Ranges. S of Jct Empire Mine Road and Lone Tree Way; roadside. Comment
  CHSC23335  Monolopia major Willis Ball 1975-3-2 474 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds ne of single restroom at sw end of lake. Approximately half way up the hill. 53 Comment
  UC90420  Monolopia major T. S. Brandegee May 1891 Contra Costa Antioch Comment
  UC90423  Monolopia major K. Brandegee May 1883 Contra Costa Antioch Comment
  CDA15240  Myoporum laetum G. F. Hrusa, D. Crowe 1998-5-8 14371 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  UCD144308  Myoporum laetum G. F. Hrusa; D. Crowe 1998-5-8 14371 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. 2 Comment
  UC1114819  Myosurus M. K. Curran 1884-1 Contra Costa Antioch Comment
  GH38312  Myosurus alopecuroides M. K. Curran 1884-1-1 Unknown Antioch Comment
  CAS-BOT-BC83284  Myosurus minimus M. K. Curran 1884-1-1 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC83285  Myosurus minimus M. K. Curran 1884-1-1 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC7111  Myosurus minimus subsp. apus M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC7110  Myosurus minimus var. sessiliflorus M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CDA19208  Myriophyllum spicatum Mangini, Whitlock 2001-4-3 PDR 041588 Contra Costa at SW corner of Contra Loma Park, East Bay Regional park, Antioch. 0 Comment
  UCD36916  Nassella pulchra Beecher Crampton 1956-5-14 3388 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  UCD87464  Nassella pulchra Beecher Crampton 1956-5-14 3388 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  JEPS70310  Navarretia atractyloides K. Brandegee 1907-6-16 Contra Costa Judsonville Comment
  CAS-BOT-BC230253  Navarretia cotulifolia Mrs. Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC106900  Navarretia hamata subsp. parviloba Katharine Brandegee 1885-5 Contra Costa near Antioch; Judsonville Comment
  JEPS116947  Navarretia heterandra David Gowen 2008-4-16 858 Contra Costa West end of Horse Valley. 146 Comment
  POM65685  Navarretia nigelliformis Katherine Brandegee 1907-6-16 s.n. Contra Costa Near Antioch Comment
  UC126029  Navarretia nigelliformis M. K. Curran 1888-5 Contra Costa Antioch Comment
  JEPS116946  Navarretia nigelliformis subsp. radians David Gowen 2008-4-16 860 Contra Costa West end of Horse Valley. Banks of drainage south of #857. Comment
  JEPS116990  Navarretia nigelliformis subsp. radians David Gowen 2008-4-16 857 Contra Costa West end of Horse Valley. 146 Comment
  UC125036  Navarretia nigelliformis subsp. radians Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  CAS-BOT-BC230478  Navarretia nigelliformis var. nigelliformis K. Curran 1884-6-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC233595  Navarretia pubescens Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC106831  Navarretia viscidula K. Brandegee Contra Costa Antioch Comment
  UC124923  Navarretia viscidula Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  UC24164  Nemophila heterophylla J. Burtt Davy 1895-4-7 907 Contra Costa Antioch Comment
  UC24165  Nemophila heterophylla J. Burtt Davy 1895-4-7 916 Contra Costa Antioch (dry hillsides) Antioch Comment
  UC24234  Nemophila menziesii J. Burtt Davy 1895-4-7 875 Contra Costa Antioch Comment
  UC592190  Nemophila menziesii H. L. Mason 1932-3-20 6837 Contra Costa Antioch sand hills Comment
  UC592126  Nemophila pedunculata H. L. Mason 1932-3-20 6841 Contra Costa Antioch sand hills Comment
  UC1125161  Nicotiana glauca G. T. Nordstrom 1937-10-28 1402 Contra Costa 1.4 mi n Somersville; Mt. Diablo Quad. 91 Comment
  CDA15227  Oenanthe sarmentosa G. F. Hrusa, D. Crowe 1998-5-8 14356 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UCD144309  Oenanthe sarmentosa G. F. Hrusa; D. Crowe 1998-5-8 14356 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 5 Comment
  UC169387  Oenothera deltoides subsp. cognata K. Brandegee 1892-5 Contra Costa Antioch Comment
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Sep 29 2008
  CAS-BOT-BC171587  Oenothera deltoides subsp. howellii P. A. Munz 1949-6-1 14436 Contra Costa Sand dunes east of Antioch Comment
  CAS-BOT-BC171588  Oenothera deltoides subsp. howellii J. H. Thomas 1953-4-25 3004 Contra Costa Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge Comment
  CAS-BOT-BC171589  Oenothera deltoides subsp. howellii J. H. Thomas 1953-4-25 3004 Contra Costa Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge Comment
  CAS-BOT-BC171590  Oenothera deltoides subsp. howellii J. H. Thomas 1949-4-19 314 Contra Costa Antioch sand dunes. Comment
  CAS-BOT-BC171591  Oenothera deltoides subsp. howellii P. A. Munz 1949-6-1 14436 Contra Costa Sand dunes east of Antioch. Comment
  CAS-BOT-BC171592  Oenothera deltoides subsp. howellii Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC171593  Oenothera deltoides subsp. howellii James McMurphy 1909-5-23 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC171594  Oenothera deltoides subsp. howellii K. Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC171595  Oenothera deltoides subsp. howellii Alice Eastwood 1921-4-18 10283 Contra Costa Antioch Comment
  CAS-BOT-BC171596  Oenothera deltoides subsp. howellii Peter Rubtzoff 1954-9-14 1756 Contra Costa Sand dunes along lower San Joaquin river, east of Antioch Comment
  CAS-BOT-BC171597  Oenothera deltoides subsp. howellii Walter Knight 1965-3-1 s.n. Contra Costa Antioch dunes. Comment
  CAS-BOT-BC171598  Oenothera deltoides subsp. howellii Lewis S. Rose 1933-4-17 33088 Contra Costa Antioch Comment
  GH367856  Oenothera deltoides subsp. howellii C. F. Baker 1903-4-25 2873 Unknown Antioch Comment
  JEPS43995  Oenothera deltoides subsp. howellii Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS716  Oenothera deltoides subsp. howellii W. L. Jepson 1945-10-28 27570 Contra Costa Antioch Sand Hills Comment
  POM310930  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 s.n. Contra Costa 1 mile east of Antioch in sand dunes, near western margin of San Joaquan River close to its mouth 30 Comment
  POM32717  Oenothera deltoides subsp. howellii C. F. Baker 1903-4-25 2873 Contra Costa Antioch. Comment
  POM355600  Oenothera deltoides subsp. howellii Peter H. Raven 1965-5-9 20181 Contra Costa Antioch dunes Comment
  RSA119427  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 432 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  RSA144914  Oenothera deltoides subsp. howellii Peter Rubtzoff 1954-9-14 1756 Contra Costa Sand dunes along lower San Joaquin River, east of Antioch. Comment
  RSA34666  Oenothera deltoides subsp. howellii P. A. Munz 1947-10-8 12201 Contra Costa Sand dunes east of Antioch 8 Comment
  RSA41319  Oenothera deltoides subsp. howellii Robert F. Hoover 1937-5-14 2112 Contra Costa Antioch sand-dunes Comment
  UC1073376  Oenothera deltoides subsp. howellii George B. Rossbach 1955-5-22 369 Contra Costa dunes near bank of San Joaquin River (e edge of Antioch); Antioch Comment
  UC1084504  Oenothera deltoides subsp. howellii G. Thomas Robbins 1940-5-19 325 Contra Costa cliffs above river e Antioch; San Joaquin River Comment
  UC1241161  Oenothera deltoides subsp. howellii Wm. Klein 1958-6-9 442 Contra Costa sandhills just n Antioch (along the channel) Comment
  UC35411  Oenothera deltoides subsp. howellii J. Burtt Davy 1895-4-7 880 Contra Costa Antioch sandhills Comment
  UC35412  Oenothera deltoides subsp. howellii Chesnut and Drew 1889-4-18 Contra Costa Sand Hills Antioch Comment
  UC635385  Oenothera deltoides subsp. howellii H. L. Mason 1929-3-31 5163 Contra Costa Antioch San Joaquin River (sand dike along river) Comment
  UC763071  Oenothera deltoides subsp. howellii R. F. Hoover 1937-5-14 2112 Contra Costa Antioch sand-dunes Comment
  UC914280  Oenothera deltoides subsp. howellii Verne Grant and Alva Grant 1947-4-13 7926 Contra Costa sand hills by river e Antioch Comment
  UC971924  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 Contra Costa one mi e Antioch (in sand dunes close to w margin of river near its mouth); San Joaquin River 30 Comment
  CAS-BOT-BC7128  Oenothera deltoides var. howellii Alice Eastwood; John Thomas Howell 1936-4-19 2147 Contra Costa Antioch Comment
  GH73052  Oenothera deltoides var. howellii A. Eastwood & J. T. Howell 1936-4-19 2147 Unknown Antioch, Sand dunes Comment
  UC1584816  Oenothera elata subsp. hookeri Jerry Powell 1990-8-29 1590 Contra Costa Antioch National Wildlife Refuge Comment
  UC444919  Orobanche californica subsp. feudgei T. S. Brandegee June 1884 Contra Costa Antioch. Comment
  UC27861  Orobanche fasciculata W. H. Brewer 1862-6-20 1124 Contra Costa Hill North of Coal Mine, north of Mt. Diablo. Comment
  CAS-BOT-BC238373  Orthocarpus James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC1070121  Packera breweri C. M. Belshaw 1936-5-15 2129 Contra Costa Stewartsville Mt. Diablo Quad. 228 Comment
  RSA722062  Panicum capillare Barbara Ertter, Lincoln Constance 1995-6-16 14262 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River Comment
  UC1795761  Panicum capillare Barbara Ertter, Lincoln Constance 1995-6-16 14262 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  JEPS43452  Parietaria hespera var. californica H. L. Mason 1929-4-18 Contra Costa Nortonville; above old Coal Mine Comment
  UC2046368  Parthenocissus inserta Barbara Ertter 2015-10-9 22455 Contra Costa East edge of Dow Marsh along walkway west of Antioch marina on San Joaquin River delta. Comment
  UC1606289  Paspalum distichum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10870 Contra Costa just w Antioch (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  POM63644  Pectocarya penicillata C. F. Baker 1903-4-25 2804 Contra Costa Antioch. Comment
  UC573135  Pectocarya penicillata H. L. Mason 1932-3-20 6845 Contra Costa Antioch sand hills Comment
  UC79144  Pectocarya penicillata T. S. Brandegee April 1889 Contra Costa Antioch Comment
  UC573059  Pectocarya pusilla H. L. Mason 1929-4-25 5210 Contra Costa Briones Rd to Antioch Comment
  UC1125723  Pedicularis densiflora R. C. Wilson 1935-2-27 115 Contra Costa 1/2 mi s of Somersville 365 Comment
  SEINET3451383  Pellaea andromedifolia Dean G. Kelch, Andrew G. Murdock 2003-2-21 AGM 68 Contra Costa Martinez, Martinez, Mount Wanda 120 Comment
  JEPS17394  Penstemon centranthifolius Rimo Bacigalupi with G. T. Robbins 1955-5-4 4984 Contra Costa about 1 1/4 mi e Antioch (near the San Joaquin River); near San Joaquin River, e of Antioch 9 Comment
  NY583786  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch Comment
  NY583831  Penstemon centranthifolius L. S. Rose 1933-4-17 33092 Contra Costa Antioch Comment
  NY583852  Penstemon centranthifolius A. Kellogg 1869-4-8 680 Contra Costa Antioch Comment
  POM14647  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch. Comment
  RSA181408  Penstemon centranthifolius James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC2028335  Penstemon centranthifolius Barbara Ertter 1991-5-5 9775 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass Comment
  UC41705  Penstemon centranthifolius W. C. Blasdale 1890-1 Contra Costa Antioch Comment
  UC41706  Penstemon centranthifolius J. Burtt Davy 1895-4-7 889 Contra Costa Antioch Comment
  UC75108  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch Comment
  CHSC21633  Pentagramma triangularis Willis Ball 1975-3-9 490 Contra Costa In area #8. Ca. 560 yds sw of main parking lot ca. 800 yds w of Contra Loma Blvd. 137 Comment
  CAS-BOT-BC413780  Persicaria lapathifolia Walter Knight 1978-8-27 3166 Contra Costa Contra Loma Regional Park 30 Comment
  CAS-BOT-BC413781  Persicaria lapathifolia Walter Knight 1978-8-27 3163 Contra Costa Contra Loma Regional Park 30 Comment
  UCD99472  Persicaria lapathifolia Morris Halperin 1930-5-20 s.n. Contra Costa Near Antioch. Comment
  JEPS2178  Phacelia cicutaria var. cicutaria M. K. Curran 1884-1 Contra Costa Antioch Comment
Read comments
Feb 9 2013
  CHSC21610  Phacelia ciliata Willis Ball 1975-2-23 450 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 40 yds w of boat ramp at w side of lake. 60 Comment
  UC24322  Phacelia ciliata var. ciliata J. Burtt Davy 1895-4-7 958 Contra Costa Antioch Comment
  UC35531  Phacelia ciliata var. ciliata Chesnut and Drew 1889-4-8 Contra Costa Summerville Comment
  ECON93123  Phacelia distans C. F. Baker 1903-4-28 2806 Unknown Antioch, Sandhills Comment
  JEPS2399  Phacelia distans R. F. Hoover 1937-5-14 2116 Contra Costa Antioch sand-dunes Comment
  JEPS73329  Phacelia distans Edward Lee 1935-3-10 1297 A Contra Costa e Antioch; Antioch Sand Dunes Comment
  UC107374  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC107401  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC1084500  Phacelia distans G. Thomas Robbins 1940-5-19 321 Contra Costa e Antioch (sand hills bordering river); San Joaquin River Comment
  UC131485  Phacelia distans C. F. Baker 1903-4-28 2806 Contra Costa Antioch Comment
  UC24341  Phacelia distans J. Burtt Davy 1895-4-7 917 Contra Costa Antioch Comment
  UC762051  Phacelia distans R. F. Hoover 1937-5-14 2116 Contra Costa Antioch sand-dunes Comment
  UC762423  Phacelia distans R. F. Hoover 1938-3-25 2893 Contra Costa Markley Canyon Comment
  CAS-BOT-BC6694  Phacelia distans var. australis Charles Fuller Baker 1903-4-28 2806 Contra Costa Antioch Comment
  UC672340  Phacelia douglasii Herbert L. Mason 1929-3-31 5161 Contra Costa dunes along river near Antioch; San Joaquin River Comment
  UC672342  Phacelia douglasii H. L. Mason 1932-3-20 6838 Contra Costa Antioch Sand Hills Comment
  UC107571  Phacelia imbricata subsp. imbricata K. Brandegee June 1883 Contra Costa Antioch Comment
  CHSC21625  Phacelia tanacetifolia Willis Ball 1975-3-26 513 Contra Costa Contra Loma Regional Park. In area #3. Beside trail immediately 25 yds sw of dam. 33 Comment
  JEPS87899  Phacelia tanacetifolia Barbara Ertter 1991-5-5 9774 Contra Costa s of Pittsburg (above Nortonville Pass, Black Diamond Mines Regional Preserve, s side of Rose Hill); Black Diamond Mines Regional Preserve, Rose Hill 365 Comment
  SEINET3158353  Phacelia tanacetifolia L. S. Rose 1933-4-17 33091 Contra Costa Antioch Comment
  SEINET3558886 Image available Phacelia tanacetifolia Lewis S. Rose 1933-4-17 33091 Contra Costa Antioch. Comment
  UC126023  Phacelia tanacetifolia Katharine Brandegee May 1907 Contra Costa Antioch Comment
  UC24487  Phacelia tanacetifolia J. Burtt Davy 1895-4-7 952 Contra Costa Antioch Comment
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Jul 7 2013
  UC35529  Phacelia tanacetifolia Chesnut and Drew 1889-4-17 Contra Costa Summerville Comment
  CDA15237  Phalaris paradoxa G. F. Hrusa, D. Crowe 1998-5-8 14368 Contra Costa Sacramento Delta; Disturbed areas about annual grasslands on Dow Chemical property at Pittsburg. Annual, to 1.5 meters tall. Comment
  CDA15270  Phalaris paradoxa G. F. Hrusa, D. Crowe 1998-5-8 14401 Contra Costa Sacramento Delta; Open sites near cyclone fence-line surrounding disturbed grasslands at E end of Dow Chemical property. Uncommon here. Comment
  CHSC79630  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14401 Contra Costa Sacramento-San Joaquin River Delta. At E end of Dow Chemical property. 15 Comment
  UCD146719  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14368 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 15 Comment
  UCD146727  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14401 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property. 15 Comment
  UCD89368  Phalaris paradoxa Beecher Crampton 1956-5-14 3381 Contra Costa 4.5 miles S of Antioch. Comment
  UC84850  Phlox gracilis Katharine Brandegee May 1886 Contra Costa Antioch Comment
  UC908774  Phlox gracilis R. F. Hoover 1935-3-10 313 Contra Costa Antioch Comment
  UC24023  Pholistoma membranaceum J. Burtt Davy 1895-4-8 989 Contra Costa foothills Antioch Comment
  UC6099  Phoradendron villosum J. Burtt Davy 1895-4-7 911 Contra Costa Antioch Comment
  CDA2311  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. 0 Comment
  UC1789168  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, single well-established clump at base of river bank. Comment
  CDA15276  Picris echioides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14713 Contra Costa Sacramento Delta; E end of Dow Chemical property. Pittsburg. Comment
  CAS-BOT-BC76965  Pilularia americana Lewis S. Rose 1940-4-30 40259 Contra Costa 4 mi. S of Antioch 30 Comment
  UC24580  Plagiobothrys acanthocarpus J. Burtt Davy 1895-4-7 913 Contra Costa Antioch Comment
  UC79430  Plagiobothrys bracteatus Katharine Brandegee May, 1884 Contra Costa Antioch Comment
  UC518020  Plagiobothrys canescens Lewis S. Rose 1933-4-17 33098 Contra Costa Antioch Comment
  UC78032  Plagiobothrys canescens T. S. Brandegee May 1890 Contra Costa Antioch Comment
  UC78037  Plagiobothrys canescens T. S. Brandegee May 1890 Contra Costa Antioch Comment
  UC79334  Plagiobothrys canescens Katharine Brandegee May 1888 Contra Costa near Antioch Comment
  UC78081  Plagiobothrys fulvus T. S. Brandegee May, 1889 Contra Costa Antioch Comment
  CAS-BOT-BC277  Plagiobothrys humistratus M. K. Curran 1884-1-1 s.n. Contra Costa near Antioch Comment
  UC78156 Image available Plagiobothrys humistratus M. K. Curran 1884-1 Contra Costa Antioch; ; Contra Costa Co. Comment
  UC24579  Plagiobothrys leptocladus J. Burtt Davy 1895-4-7 946 Contra Costa Antioch Comment
  POM63822  Plagiobothrys nothofulvus Brandegee 1888-05 s.n. Contra Costa Antioch. Comment
  UC2070573  Plagiobothrys stipitatus Barbara Ertter with David Gowen and Mike Park 2004-4-13 18348 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, ca 1 km due east of Sidney Flat Headquarters. Comment
  UC78209  Plagiobothrys stipitatus var. micranthus T. S. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC101485  Plagiobothrys stipitatus var. stipitatus Katharine Brandegee Contra Costa near Antioch Comment
  UC78124  Plagiobothrys stipitatus var. stipitatus Mrs. K. Brandegee Apr 1883 Contra Costa near Antioch Comment
  UC78204  Plagiobothrys stipitatus var. stipitatus K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  SD4240  Plagiobothrys tenellus T. S. Brandegee May 1888 Contra Costa Antioch Comment
  UC573071  Plagiobothrys tenellus H. L. Mason 1932-3-20 6847 Contra Costa Antioch sand hills Comment
  UC78090  Plagiobothrys tenellus Katharine Curran April 1885 Contra Costa Antioch Comment
  UC79336  Plagiobothrys tenellus Katharine Brandegee April 1890 Contra Costa Antioch Comment
  UC78181  Plagiobothrys trachycarpus K. Brandegee May 1892 Contra Costa Antioch Comment
  UC79220  Plagiobothrys trachycarpus Katharine Brandegee May 1886 Contra Costa near Antioch Comment
  JEPS7105  Plantago elongata M. K. Curran May 1886 Contra Costa near Antioch Comment
  UC124287  Plantago elongata M. K. Curran May 1883 Contra Costa Antioch Comment
  POM61262  Plantago erecta C. F. Baker 1903-4-25 2803 Contra Costa Antioch. Comment
  RSA181409  Plantago erecta James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC75129  Plantago erecta unknown 1903-4-25 2803 Contra Costa Antioch Comment
  CDA37397  Plantago major D. G. Kelch, Mike Perlmutter 2011-9-23 11 .761 Contra Costa Antioch. Dow Wetlands. Comment
  CHSC21614  Plantago major Willis Ball 1975-2-23 434 Contra Costa Contra Loma Regional Park. Small population in area #1 spread out in picnic area ca. 100 yds s of lake. 10 yds n of w end of parking lot. 45 Comment
  UC1618336  Plantago major Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10859 Contra Costa Dow Wetlands Preserve just w of Antioch Marina; Dow Wetlands Preserve Comment
  CDA32860  Plantago subnuda D. G. Kelch 2010-10-5 10 .423 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC1607651  Plantago subnuda Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10882 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  CAS-BOT-BC6458  Platystemon californicus Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC91608  Platystemon californicus James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  JEPS2798 Image available Plectritis ciliosa subsp. insignis J. Burtt Davy 1895-4-7 953 Contra Costa foothills Antioch; Antioch, Contra Costa Co. Comment
  JEPS2799 Image available Plectritis macrocera J. Burtt Davy 1895-4-7 951 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC766304  Plectritis macrocera Robert F. Hoover 1935-3-10 312 Contra Costa Antioch Comment
  UC1618403  Pluchea odorata var. odorata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10869 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  CHSC21644  Poa annua Willis Ball 1975-3-2 471 Contra Costa Contra Loma Regional Park. In area #1. At w end of main parking lot at s end of lake. 36 Comment
  SBBG44987  Poa annua A. Eastwood, J. T. Howell 1936-4-19 Contra Costa Antioch Comment
  UCD36910  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  UCD90342  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, at head of Horse Valley. Comment
  CAS-BOT-BC255790  Poa infirma Alice Eastwood 1921-4-18 10265 Contra Costa Antioch Comment
  POM224442  Poa infirma Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC236394  Poa secunda subsp. secunda Alice Eastwood 1921-4-18 10289 Contra Costa Antioch Comment
  CAS-BOT-BC236397  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 s.n. Contra Costa Antioch Comment
  CHSC25045  Poa secunda subsp. secunda Willis Ball 1975-3-9 480 Contra Costa In area #8. On slope of a hill ca. 510 yds. w of Contra Loma Blvd. 124 Comment
  UC38696  Poa secunda subsp. secunda J. Burtt Davy 1895-4-8 898 Contra Costa Antioch Comment
  UC39568  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 Contra Costa Antioch Comment
  UCD36915  Poa secunda subsp. secunda Beecher Crampton 1956-5-14 3387 Contra Costa 6.7 miles SW of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
Read comments
Jul 1 2011
  UCD90795  Poa secunda subsp. secunda Beecher Crampton 1956-5-14 3387 Contra Costa 6.7 miles SW of Antioch, between old coal mining towns of Somersville and Nortonville. Comment
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Jul 1 2011
  JEPS62482  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC1988939  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 mi S of Antioch Comment
  UC32588  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC762113  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 miles S of Antioch Comment
  CHSC23355  Polygonum aviculare Willis Ball 1975-3-2 462 Contra Costa Contra Loma Regional Park. In area #4. In sand on beach e side of lake ca. 75 yds s of dam. 30 Comment
  CDA15275  Polygonum aviculare subsp. rurivagum G. F. Hrusa, D. Crowe, R. York 1998-7-17 14712 Contra Costa Sacramento Delta; E end of Dow Chemical property at Antioch. Comment
  UC1594171  Polygonum punctatum Jerry Powell 1991-6-29 1610 Contra Costa Antioch National Wildlife Refuge; intertidal zone Comment
  UC1618387  Polygonum punctatum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10875 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  JEPS95765  Polygonum ramosissimum Dianne Lake 1999-10-5 Contra Costa NW end of wetland at NE corner of Plymouth and Hillcrest, 1 block N of E 18th St. Antioch 3 Comment
  CDA33072  Potamogeton crispus D. G. Kelch 2010-10-5 10 .427 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC1606288  Potamogeton crispus Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10865 Contra Costa just w of Antioch marina (along levee at water's edge, accessed from marina); Dow Wetlands Preserve Comment
  UC2046367  Potamogeton richardsonii Barbara Ertter 2015-10-9 22454 Contra Costa Antioch marina on San Joaquin River delta. Comment
  CAS-BOT-BC158576  Prunus Walter Knight 1965-3-1 s.n. Contra Costa Antioch Dunes Comment
  UC177451  Psilocarphus brevissimus var. brevissimus Brandegee May 1886 Contra Costa Antioch Comment
  JEPS25388  Psilocarphus oregonus Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7001 Contra Costa 2.5 mi se Antioch (along Lone Tree Way, just e of Antioch Airport) 56 Comment
  UC88451  Psilocarphus oregonus T. S. Brandegee May 1886 Contra Costa Antioch Comment
  POM138622  Ptelea angustifolia Katherine Brandegee 1907-6-16 s.n. Contra Costa Antioch Comment
  RSA138624  Ptelea angustifolia Katherine Brandegee 1907-6-16 137 Contra Costa Antioch Comment
  RSA762192  Ptelea angustifolia Anstruther Davidson 1884-05 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC148623  Ptelea crenulata Brandegee s.n. Contra Costa Antioch Comment
  GH347958  Ptelea crenulata H. L. Mason 1928-4-1 4270 Unknown Canyon back of Antioch hills north of Mount Diablo Comment
  UC17376  Ptelea crenulata J. Burtt Davy 1895-4-7 909 Contra Costa Antioch Comment
  UC17379  Ptelea crenulata W. H. Brewer 1862-5-20 1130 Contra Costa n side Mount Diablo (hill n of coal mines) Comment
  UC30132  Ptelea crenulata W. C. Blasdale 1893-5-13 Contra Costa Summerville Comment
  UC34836  Ptelea crenulata Chesnut and Drew 1889-4-17 Contra Costa Summerville Comment
  UC571100  Ptelea crenulata H. L. Mason 1928-4-1 4273 Contra Costa hills n Mount Diablo (canyon back of Pittsburg) Comment
  UC571101  Ptelea crenulata H. L. Mason 1928-4-1 4270 Contra Costa hills n Mount Diablo (canyon back of Antioch hills) Comment
  UC571102  Ptelea crenulata H. L. Mason 1928-4-1 4269 Contra Costa n of Mt. Diablo (canyon back of Antioch hills) Comment
  CAS-BOT-BC45658  Quercus agrifolia Walter Knight 1965-3-1 981 Contra Costa Antioch Dunes Comment
  CAS-BOT-BC45659  Quercus agrifolia Alice Eastwood 1914-2-24 3733 Contra Costa Antioch Comment
  UCD83548  Quercus agrifolia Alison McNally 2009-5-9 s. n. Contra Costa Antioch, southern shore of San Joaquin River, Antioch Dunes National Wildlife Refuge. Comment
  A344351  Quercus douglasii A. Eastwood 1894-05-01 - 1894-06-01 Unknown Antioch Comment
  A344390  Quercus douglasii T. S. Brandegee Unknown Antioch Comment
  A343285  Quercus lobata A. Eastwood 1894-05-01 - 1894-06-01 Unknown Antioch Comment
  A343656  Quercus wislizeni A. Eastwood 1914-2-24 3733 Unknown Antioch Comment
Read comments
Mar 20 2018
  JEPS104763  Quercus wislizeni John L. Morrison 1937-3-6 1973 Contra Costa S of Antioch Comment
  UC118266  Ranunculus canus var. canus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC135556  Ranunculus canus var. canus Edward Lee Greene April, 1887 Contra Costa Antioch Comment
  UC480976  Ranunculus canus var. canus Katharine Brandegee 1907-5-4 Contra Costa near Antioch; Judsonville Comment
  UC9453  Ranunculus canus var. canus J. Burtt Davy 1895-4-7 915 Contra Costa Antioch Comment
  UC9455  Ranunculus canus var. canus J. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  POM268694  Ranunculus canus var. laetus Jos. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  UC118247  Ranunculus hebecarpus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UCD97103  Ranunculus sceleratus Mr. Nevin 1924-3-24 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC74269  Raphanus sativus Walter Knight 1965-3-1 908 Contra Costa Antioch Dunes. Comment
  CHSC20642  Ribes divaricatum Carol C. Getzinger 1964-4-26 51 Contra Costa Wildcat Canyon Road 1.3 miles from junction with Spruce Street and Grizzly Peak Boulevard. 152 Comment
  CAS-BOT-BC362963  Rigiopappus leptocladus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC362966  Rigiopappus leptocladus M. K. Curran 1884-5-1 36 Contra Costa Antioch Comment
  UC1598928  Rigiopappus leptocladus Mrs. K. Curran May 1883 Contra Costa Antioch Comment
  UC1584666  Rosa californica Jerry Powell 1990-8-29 1593 Contra Costa on riverine floodplain Antioch National Wildlife Reguge Comment
  UCD144311  Rumex crassus G. F. Hrusa; D. Crowe 1998-5-8 14361 Contra Costa Sacramento-San Joaquin River Delta. At east end of Dow Chemical property at Pittsburg. 10 Comment
  UC465806  Rumex crispus J. Burtt Davy 1895-4-8 976 Contra Costa Antioch Comment
  UC6975  Rumex crispus J. Burtt Davy 1895-4-8 977 Contra Costa Antioch Comment
  CDA15232  Rumex salicifolius var. crassus G. F. Hrusa, D. Crowe 1998-5-8 14361 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  CDA15273  Rumex salicifolius var. crassus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14710 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  POM208488  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch. Region of San Francisco Bay. Comment
  UC194965  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch , Antioch (Region of San Francisco Bay) Comment
  CAS-BOT-BC129909  Salix bonplandiana Alice Eastwood 1921-4-18 10305 Contra Costa Antioch Comment
  CAS-BOT-BC129910  Salix bonplandiana Alice Eastwood 1921-4-18 10266 Contra Costa Antioch Comment
  CAS-BOT-BC107859  Salix gooddingii Walter Knight 1978-8-27 3195 Contra Costa Along reservoir's edge. Contra Loma Regional Park - Sierra Nevada 30 Comment
  CAS-BOT-BC107874  Salix gooddingii A. A. Heller 1908-4-16 8886 Contra Costa Antioch 12 Comment
  CDA15252  Salix gooddingii G. F. Hrusa, D. Crowe 1998-5-8 14383 b Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  GH382809  Salix gooddingii A. A. Heller 1908-4-16 8886 Unknown Antioch 12 Comment
  UC725834  Salix gooddingii A. A. Heller 1908-4-16 8886 Contra Costa Antioch 12 Comment
  A383211  Salix laevigata A. Eastwood 1921-4-18 10305 Unknown Antioch Comment
  A383212  Salix laevigata A. Eastwood 1921-4-18 10266 Unknown Antioch Comment
  CDA15248  Salix laevigata G. F. Hrusa, D. Crowe 1998-5-8 14379 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  A383541  Salix lasiolepis A. Eastwood 1914-2-24 3728 Unknown Antioch Comment
  A383568  Salix lasiolepis A. Eastwood 1914-2-24 3726 Unknown Antioch Comment
  A383569  Salix lasiolepis A. Eastwood 1914-2-24 3727 Unknown Antioch Comment
  A383631  Salix lasiolepis A. Eastwood 1914-2-24 3730 Unknown Antioch Comment
  A383708  Salix lasiolepis A. Eastwood 1914-2-24 3729 Unknown Antioch Comment
  GH383441  Salix lasiolepis A. Eastwood 1914-2-24 3727 Unknown Antioch Comment
  GH383447  Salix lasiolepis A. Eastwood 1914-2-24 3728 Unknown Antioch Comment
  GH383533  Salix lasiolepis A. Eastwood 1914-2-24 3726 Unknown Antioch Comment
  GH383534  Salix lasiolepis A. Eastwood 1914-5-24 3729 Unknown Antioch Comment
  CAS-BOT-BC129551  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3729 Contra Costa Antioch Comment
  CAS-BOT-BC129552  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3730 Contra Costa Antioch Comment
  CAS-BOT-BC129553  Salix lasiolepis var. lasiolepis Walter Knight 1965-3-1 899 Contra Costa Antioch dunes, by water's edge - north side of dunes Comment
  CAS-BOT-BC129554  Salix lasiolepis var. lasiolepis Walter Knight 1965-3-1 s.n. Contra Costa Antioch dunes, by water's edge - Carquinez Straights Comment
  CAS-BOT-BC129561  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3726 Contra Costa Antioch Comment
  CAS-BOT-BC129562  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3728 Contra Costa Antioch Comment
  JEPS59865  Salsola tragus W. L. Jepson 1923-10-4 10212 a Contra Costa orchards near Antioch Comment
  JEPS623  Salsola tragus W. L. Jepson 1945-11-11 27571 Contra Costa Antioch Sandhills Comment
  JEPS79398  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1635 Contra Costa Antioch sand dunes Comment
  UC41510  Salsola tragus L. L. Guss 1900-6-1 Contra Costa Antioch Comment
  CAS-BOT-BC220706  Salvia D. M. Curran 1882-8-2 s.n. Contra Costa Antioch Comment
  JEPS62550  Salvia carduacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC32581  Salvia carduacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC32598  Salvia mellifera Chesnut and Drew 1889-4-16 Contra Costa Summerville Comment
  CAS-BOT-BC235007  Sambucus Alice Eastwood 1921-4-18 10304 Contra Costa Antioch Comment
  JEPS12714  Sambucus mexicana Katharine Brandegee 1907-6-16 Contra Costa Antioch Comment
  CAS-BOT-BC238631  Sambucus nigra subsp. caerulea Alice Eastwood 1921-4-18 10281 Contra Costa Antioch Comment
  CAS-BOT-BC238635  Sambucus nigra subsp. caerulea Walter Knight 1965-3-1 894 Contra Costa Antioch dunes Comment
  CAS-BOT-BC223246  Sanicula bipinnata Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC223248  Sanicula bipinnata Mrs. Brandegee No date on label s.n. Contra Costa Antioch Comment
  CHSC21630  Sanicula bipinnata Willis Ball 1975-3-9 495 Contra Costa Contra Loma Regional Park. In area #8. At the peak of a large hill ca. 560 yds s of main parking lot ca. 800 yds w of Contra Loma Blvd. 152 Comment
  CHSC21621  Sanicula bipinnatifida Willis Ball 1975-3-25 502 Contra Costa Contra Loma Regional Park. In area #3. At peak of larg hill inarea #3 ca. 120 yds sw of the Dam. 60 Comment
  RSA471491  Sanicula tuberosa Brandegee 1884-05 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC111481  Schoenoplectus americanus Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC111483  Schoenoplectus americanus K. (Mrs.) Brandegee 1882-6-8 s.n. Contra Costa Antioch Comment
  UC2028426  Schoenoplectus americanus Barbara Ertter 1996-9-19 15294 Contra Costa Antioch Marina Comment
  CAS-BOT-BC111463  Schoenoplectus californicus Walter Knight; Irja Knight 1977-5-22 s.n. Contra Costa Growing at site of little corral. Antioch Dunes. Comment
  CAS-BOT-BC111464  Schoenoplectus californicus Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Comment
  SD134082  Schoenoplectus californicus Walter Knight, Irja Knight 1977-6-18 Contra Costa On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Growing in water at high tide. Comment
  CDA15247  Scirpus acutus var. occidentalis G. F. Hrusa, D. Crowe 1998-5-8 14378 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CDA15267  Scirpus americanus G. F. Hrusa, D. Crowe 1998-5-8 14398 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA15265  Scirpus californicus G. F. Hrusa, D. Crowe 1998-5-8 14396 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA15249  Scirpus maritimus G. F. Hrusa, D. Crowe 1998-5-8 14380 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CDA15264  Scirpus maritimus G. F. Hrusa, D. Crowe 1998-5-8 14395 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA32272  Scirpus maritimus G. F. Hrusa, D. Crowe 1998-5-8 14366 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  CDA32274  Scirpus maritimus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14724 Contra Costa Sacramento Delta; Colony in bottom of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Site clearly wet earlier in season, but w/out standing water at this time. Comment
  UC584351  Scribneria bolanderi G. L. Stebbins Jr. 1937-5-1 2112 Contra Costa 1 mi s of Summerfield (Summerfield=Somersville, at the head of Walker Canyon; due s of Antioch) Comment
  UC2029121  Scutellaria tuberosa Barbara Ertter with David Gowen and Mike Park 2004-4-13 18352 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, trail system in chaparral/woodland S of Somersville townsite. Comment
  CAS-BOT-BC240055  Secale cereale Alice Eastwood 1921-4-18 10313 Contra Costa Antioch Comment
  CAS-BOT-BC327445  Senecio flaccidus var. douglasii Lewis S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  CAS-BOT-BC327446  Senecio flaccidus var. douglasii Alice Eastwood 1914-2-24 3736 Contra Costa Antioch Comment
  JEPS37616  Senecio flaccidus var. douglasii W. L. Jepson 1923-10-4 10224 Contra Costa Brannan Island Antioch Comment
  JEPS79322  Senecio flaccidus var. douglasii Edward Lee with Annetta Carter 1935-8-17 1634 Contra Costa Antioch Comment
  JEPS79323  Senecio flaccidus var. douglasii Edward Lee with Annetta Carter 1935-8-17 1634 Contra Costa Antioch Comment
  RSA107411  Senecio flaccidus var. douglasii L. S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  UC1584828  Senecio hydrophilus Jerry Powell 1990-8-29 1588 Contra Costa Antioch National Wildlife Refuge Comment
  CHSC23334  Senecio vulgaris Willis Ball 1975-2-23 435 Contra Costa Contra Loma Regional Park. In area #1. Ca. 25 yds e of restroom facilities at s end of lake. 30 Comment
  CDA37401  Sesbania punicea D. G. Kelch, Mike Perlmutter 2011-9-23 11 .764 Contra Costa Antioch. Dow Wetlands. Comment
  CDA37437  Sesbania punicea D. G. Kelch, Mike Perlmutter 2011-9-23 11 .764 Contra Costa Antioch. Dow Wetlands. Comment
  CDA38611  Sesbania punicea R. Fonseca 2012-8-14 PDR# 1641171 Contra Costa Pittsburg; Columbia Street near East 11th Street. 0 Comment
  CHSC21619  Sinapis arvensis Willis Ball 1974-4-21 427 Contra Costa Contra Loma Regional Park. In island in center of main parking lot at s end of lake. 36 Comment
  CHSC23876  Sinapis arvensis Willis Ball 1975-2-23 445 Contra Costa Contra Loma Regional Park. In area #1. Ca. 10 yds s of lake ca. 50 yds. w of restroom facilities at s end of lake. 33 Comment
  CDA37907  Solanum americanum D. G. Kelch, Mike Perlmutter 2011-9-23 11 .762 Contra Costa Antioch. Dow Wetlands. Comment
  UC1618167  Solanum americanum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10879 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  CAS-BOT-BC83606  Solanum umbelliferum J. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  JEPS12078  Solanum umbelliferum J. Burtt Davy 1895-4-7 985 Contra Costa Antioch Comment
  NY820591  Solanum umbelliferum A. A. Heller 1908-4-16 8889 Contra Costa Sand hills east of Antioch 23 Comment
  NY820647  Solanum umbelliferum A. A. Heller 1908-4-16 8889 Contra Costa Sand hills east of Antioch 23 Comment
  UC26238  Solanum umbelliferum J. Burtt Davy 1895-4-7 985 Contra Costa Antioch Comment
  CDA15259  Sonchus asper G. F. Hrusa, D. Crowe 1998-5-8 14390 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA15245  Sonchus oleraceus G. F. Hrusa, D. Crowe 1998-5-8 14376 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  UCD146721  Sonchus tenerrimus G. F. Hrusa; D. Crowe 1998-5-8 14376 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. Adjacent to shore of San Joaquin River. 2 Comment
  CDA15233  Spergularia marina G. F. Hrusa, D. Crowe 1998-5-8 14362 Contra Costa Sacramento Delta; \ E end of Dow Chemical property at Pittsburg. Comment
  CDA15279  Spergularia marina G. F. Hrusa, D. Crowe, R. York 1998-7-17 14717 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  UCR263550  Spergularia rubra Barbara Ertter, D. H. Norris 1999-11-14 16852 Contra Costa San Francisco Bay Region, Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite 223 Comment
  UC25957  Stachys albens Mrs. Brandegee 1882-7-8 Contra Costa Antioch Comment
  UC71938  Stebbinsoseris heterocarpa J. Burtt Davy 1895-4-7 960 Contra Costa Antioch Comment
  CHSC21609  Stellaria media Willis Ball 1975-2-23 443 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds w of main parking lot. 30 Comment
  JEPS79320  Stephanomeria exigua subsp. coronaria Edward Lee with Annetta Carter 1935-8-17 1627 Contra Costa Antioch Comment
  SBBG42912  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1969-11-2 6959 Contra Costa E of Antioch, W of Kaiser Gypsum Plant at Minaker and Wilbur Rds Comment
Read comments
Feb 12 2013
  CHSC57360  Streptanthus Willis Ball 1975-3-26 519 Contra Costa Contra Loma Regional Park, in area #3. On hill ca. 100 yds. nw of the dam. 45 Comment
  UC2028416  Stuckenia striata Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson 1991-10-20 10866 Contra Costa Dow Wetlands Preserve, just W of Antioch marina Comment
  CAS-BOT-BC422912  Stylomecon heterophylla Alice Eastwood 1921-4-18 10292 Contra Costa Antioch Comment
  CAS-BOT-BC422917  Stylomecon heterophylla Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC422920  Stylomecon heterophylla James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  RSA181407  Stylomecon heterophylla James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC112847  Stylomecon heterophylla T. S. Brandegee 1908-4-10 Contra Costa near Antioch; near Antioch Comment
  UC635478  Stylomecon heterophylla H. L. Mason 1928-4-1 4271 Contra Costa hills n Mount Diablo (canyon back of Pittsburg); hills n of Mount Diablo Comment
  CDA33070  Symphyotrichum lentum D. G. Kelch 2010-10-5 10 .424 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC1422530  Symphyotrichum lentum Alice Q. Howard and W. R. Powell 1977-6-1 38 Contra Costa Antioch Dunes, within PG&E-owned strip under eastern power line Comment
  UC1594169  Symphyotrichum lentum Jerry Powell 1991-8-15 1613 Contra Costa Antioch National Wildlife Refuge Comment
  UC2042880  Symphyotrichum lentum Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10860 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  UC1606281  Symphyotrichum subulatum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10868 Contra Costa Dow Wetlands Preserve, just W of Antioch marina; along levee at water's edge, accessed from marina. Comment
  UC169716  Tetrapteron graciliflorum Katharine Brandegee April 1889 Contra Costa Antioch Comment
  UC20472  Tetrapteron graciliflorum J. Burtt Davy 1895-4-7 904 Contra Costa Antioch Comment
  CAS-BOT-BC88256  Thysanocarpus curvipes Katharine Brandegee 1907-5-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC88257  Thysanocarpus curvipes T. S. Brandegee May. 18. s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC88258  Thysanocarpus curvipes Robert F. Hoover 1935-3-10 309 Contra Costa Antioch sand hills. Comment
  CAS-BOT-BC88259  Thysanocarpus curvipes Robert F. Hoover 1935-3-10 310 Contra Costa Antioch sand dunes. Comment
  CAS-BOT-BC88260  Thysanocarpus curvipes Lewis S. Rose 1933-4-17 33096 Contra Costa Antioch. Comment
  JEPS68963  Thysanocarpus curvipes Edward Lee 1935-3-10 1295 Contra Costa e. Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  SBBG29915  Thysanocarpus curvipes L. S. Rose 1933-4-17 33096 Contra Costa Antioch Comment
  SEINET3404387 Image available Thysanocarpus curvipes Lewis S. Rose 1923-4-17 33096 Contra Costa Antioch, Spady Flats. Comment
  UC11004  Thysanocarpus curvipes J. Burtt Davy 1895-4-7 885 Contra Costa Antioch Comment
  UC11026  Thysanocarpus curvipes J. Burtt Davy 1895-4-7 886 Contra Costa Antioch Comment
  UC11035  Thysanocarpus curvipes T. S. Brandegee 1890-1 Contra Costa Antioch Comment
  UC14311  Thysanocarpus curvipes Chestnut and Drew 1889-4-17 Contra Costa Summerville Comment
  UC614830  Thysanocarpus curvipes Beryl O. Schreiber 1932-3-27 163 Contra Costa near Antioch; near Antioch Comment
  UCR143524  Thysanocarpus curvipes L. S. Rose 1933-4-17 33096 Contra Costa Antioch 30 Comment
  UC2028333  Thysanocarpus curvipes subsp. elegans Barbara Ertter 1991-5-5 9777 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon Comment
  POM202804  Thysanocarpus curvipes var. curvipes L. S. Rose 1933-4-17 33096 Contra Costa Antioch Comment
  CAS-BOT-BC67283  Thysanocarpus radians T. S. Brandegee 1883-5-1 s.n. Contra Costa Antioch. Comment
  UC165584  Trifolium albopurpureum J. Burtt Davy 1895-1 930 Contra Costa Antioch Comment
  UC148547  Trifolium albopurpureum var. albopurpureum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC148552  Trifolium albopurpureum var. albopurpureum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC165553  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-1 956 Contra Costa Antioch Comment
  UC16611  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-4-7 995 Contra Costa Antioch Comment
  UC148548  Trifolium albopurpureum var. dichotomum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC165535  Trifolium albopurpureum var. dichotomum J. Burtt Davy 1895-1 949 Contra Costa Antioch Comment
  UC630749  Trifolium albopurpureum var. dichotomum A. A. Heller 1908-4-17 8903 Contra Costa 3 mi s Antioch (hills) Comment
  UC630850  Trifolium albopurpureum var. dichotomum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC148550  Trifolium albopurpureum var. olivaceum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC165554  Trifolium albopurpureum var. olivaceum J. Burtt Davy 1895-1 955 Contra Costa Antioch Comment
  UC165601  Trifolium albopurpureum var. olivaceum J. Burtt Davy 1895-1 950 Contra Costa Antioch Comment
  UC631264  Trifolium albopurpureum var. olivaceum Mrs. Brandegee May 1907 Contra Costa Antioch Comment
  UC631337  Trifolium bifidum var. decipiens Mrs. K. Brandegee 1907-5-1 Contra Costa Antioch Comment
  POM19314  Trifolium ciliolatum Katherine Brandegee s.n. Contra Costa Antioch Comment
  UC146899  Trifolium ciliolatum Katharine Brandegee may 1907 Contra Costa Antioch Comment
  UC147172  Trifolium depauperatum var. amplectens J. Burtt Davy Apr 7-8 1895 967 Contra Costa Antioch Comment
  UC165574  Trifolium depauperatum var. amplectens J. Burtt Davy 943 Contra Costa Antioch Comment
  UC165575  Trifolium depauperatum var. amplectens J. Burtt Davy Apr 7-8 1895 944 Contra Costa Antioch Comment
  UC165576  Trifolium depauperatum var. amplectens J. Burtt Davy 1895-1 993 Contra Costa Antioch Comment
  UC631084  Trifolium depauperatum var. amplectens Mrs. K. Brandegee 1907-5-8 Contra Costa Antioch Region Comment
  CHSC22680  Trifolium depauperatum var. truncatum Robert A. Schlising 1962-4-7 2147 Contra Costa Along roads near Antioch Reservoir. Comment
  UC165577  Trifolium depauperatum var. truncatum J. Burtt Davy 1895-1 938 Contra Costa Antioch Comment
  UC683346  Trifolium depauperatum var. truncatum Edw. L. Greene 1895-4-7 Contra Costa near Antioch Comment
  UCD108800  Trifolium dichotomum Mrs. Brandegee 1907-5-1 s.n. Contra Costa Antioch. Comment
  UC16545  Trifolium fucatum J. Burtt Davy 1895-4-7 959 Contra Costa Antioch Comment
  UC148551  Trifolium gracilentum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC165608  Trifolium gracilentum J. Burtt Davy 1895-1 926 Contra Costa Antioch Comment
  UC555459  Trifolium gracilentum H. L. Mason 1932-3-20 6844 Contra Costa Antioch sand hills Comment
  UC631031  Trifolium gracilentum Mrs. K. Brandegee May 1907 Contra Costa Antioch Comment
  CDA15258  Trifolium hybridum G. F. Hrusa, D. Crowe 1998-5-8 14389 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA15234  Trifolium incarnatum G. F. Hrusa, D. Crowe 1998-5-8 14364 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UCD146715  Trifolium incarnatum G. F. Hrusa; D. Crowe 1998-5-8 14364 Contra Costa Sacramento-San Joaquin River Delta. Within Dow Chemical property at Pittsburg. 10 Comment
  UC630888  Trifolium oliganthum Mrs. K. Brandegee may 1907 Contra Costa Antioch Comment
  CHSC23357  Trifolium variegatum var. major Willis Ball 1975-3-26 515 Contra Costa Contra Loma Regional Park. In area #3. On n facing slope of large hill in area #3. Ca. 60 yds due nw of dam. Comment
  CDA15260  Trifolium willdenovii G. F. Hrusa, D. Crowe 1998-5-8 14391 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CHSC20695  Trifolium willdenovii Robert A. Schlising 1962-4-7 2148 Contra Costa Coastal Range. Along roads near Antioch Reservoir. Comment
  CHSC21627  Trifolium willdenovii Willis Ball 1975-3-9 485 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope on small level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 76 Comment
  POM349559  Trifolium willdenovii H. de Forest 1930-4-6 s.n. Contra Costa Near Antioch. Comment
  UC165503  Trifolium willdenovii J. Burtt Davy Apr 7-8 1895 954 Contra Costa Antioch Comment
  UC16730  Trifolium willdenovii J. Burtt Davy 1895-4-7 991 Contra Costa Antioch Comment
  UC630912  Trifolium willdenovii Mrs. K. Brandegee 1907-5-1 Contra Costa Antioch Comment
  UC725897  Trifolium willdenovii A. A. Heller 1938-4-9 15017 Contra Costa 3 mi sw Antioch (from type region) Comment
  UC2070652  Triodanis biflora Barbara Ertter with David Gowen and Mike Park 2004-4-13 18351 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, trail system in chaparral/woodland S of Somersville townsite, Chaparral Loop Trail just across footbridge from Manhattan Trail cut-off. Comment
  CHSC21622  Triphysaria eriantha Willis Ball 1975-3-15 496 Contra Costa Contra Loma Regional Park. In area #10. In flat area 200 yds ne of dam. 36 Comment
  UC27186  Triphysaria eriantha subsp. eriantha J. Burtt Davy 1897-3-29 3019 Contra Costa near Black Diamond Comment
  CHSC21624  Triteleia laxa Willis Ball 1975-3-25 505 Contra Costa In area #1. On s side of road leading to main parking lot at s end of lake ca. 35 yds e of parking lot. Contral Costa Regional Park. 38 Comment
  CHSC22959  Triteleia laxa Robert A. Schlising; Et al. 1962-4-7 2144 Contra Costa Along road by Antioch Reservoir. Comment
  UC130929  Triteleia laxa Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  CAS-BOT-BC200472  Triticum aestivum Alice Eastwood 1921-4-18 10314 Contra Costa Antioch Comment
  CAS-BOT-BC67401  Tropidocarpum gracile Alice Eastwood 1914-2-24 3742 Contra Costa Antioch. Comment
  CAS-BOT-BC67404  Tropidocarpum gracile Alice Eastwood 1921-4-18 10295 Contra Costa Antioch. Comment
  CAS-BOT-BC67405  Tropidocarpum gracile H. L. Mason 1932-3-20 6842 Contra Costa Antioch. Comment
  CAS-BOT-BC67410  Tropidocarpum gracile James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC67411  Tropidocarpum gracile Volney Rattan s.n. Contra Costa Antioch. Comment
  GH422514  Tropidocarpum gracile T. S. Brandegee 1889-04-01 - 1889-05-01 Unknown Antioch Comment
  GH422538  Tropidocarpum gracile A. Eastwood 1921-4-18 10295 Unknown Antioch Comment
  JEPS68961  Tropidocarpum gracile Edward Lee 1935-3-10 1239 Contra Costa e. Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  RSA276848  Tropidocarpum gracile James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  SEINET3404423 Image available Tropidocarpum gracile Lewis S. Rose 1934-3-21 34066 Contra Costa Clayton, 6 miles East of Clayton Comment
  UC117251  Tropidocarpum gracile K. Brandegee April 1889 Contra Costa Antioch Comment
  UC136962  Tropidocarpum gracile K. Brandegee April, 1889 Contra Costa Antioch Comment
  UC673302  Tropidocarpum gracile H. L. Mason 1932-3-20 6842 Contra Costa Antioch sand hills Comment
  UC673305  Tropidocarpum gracile H. L. Mason 1929-3-31 5152 Contra Costa sand dike along river at Antioch; San Joaquin River Comment
  CDA15285  Typha angustifolia G. F. Hrusa, D. Crowe, R. York 1998-7-17 14723 Contra Costa Sacramento Delta; Small colony and a few scattered inds. in bottom of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Site clearly wet earlier in season, but w/out standing water at this time. Comment
  CDA32862  Ulmus parvifolia D. G. Kelch 2010-10-5 10 .428 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  CAS-BOT-BC381830  Uropappus lindleyi Alice Eastwood 1921-4-18 10291 Contra Costa Antioch Comment
  SEINET3150246  Uropappus lindleyi T. S. Brandegee sn Contra Costa Antioch Comment
  JEPS25389  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7002 Contra Costa 2 1/2 mi se of Antioch (just e of Antioch Airport, along Lone Tree Way) 56 Comment
  CHSC21626  Veronica serpyllifolia subsp. serpyllifolia Willis Ball 1975-3-26 510 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds e of restroom facilities. 30 Comment
  CDA15256  Vicia sativa subsp. sativa G. F. Hrusa, D. Crowe 1998-5-8 14387 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA15246  Vicia villosa subsp. varia G. F. Hrusa, D. Crowe 1998-5-8 14377 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CHSC23353  Vicia villosa subsp. varia Willis Ball 1975-4-19 526 Contra Costa In area #3 ca. 75 yds nw of dam. On n facing slope. 60 Comment
  CDA15257  Vicia villosa subsp. villosa G. F. Hrusa, D. Crowe 1998-5-8 14388 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  UC1606290  Vicia villosa subsp. villosa Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10878 Contra Costa just w Antioch marina (e end of marsh across from marina); Dow Wetlands Preserve Comment
  UC766882  Vulpia microstachys var. ciliata R. F. Hoover 1935-4-10 316 Contra Costa Antioch Comment
  UCD93807  Vulpia microstachys var. ciliata Beecher Crampton 1956-5-14 3383 Contra Costa between the old coal mining towns of Somersville and Nortonville, 6.7 miles southwest of Antioch. Comment
  RSA758081  Vulpia microstachys var. pauciflora Barbara Ertter 1991-5-5 9779 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge east of Coal Canyon 366 Comment
  UC766878  Vulpia microstachys var. pauciflora R. F. Hoover 1939-4-13 4021 Contra Costa w branch Head of Markley Canyon Comment
  UCD94498  Vulpia microstachys var. pauciflora Beecher Crampton 1956-5-14 3390 Contra Costa just east of old Nortonville, 7 miles southwest of Antioch. Comment
  JEPS68962  Vulpia myuros var. hirsuta Edward Lee 1935-3-10 1294 Contra Costa e of Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  UC53362  Vulpia myuros var. hirsuta J. Burtt Davy 1895-4-7 897 Contra Costa Antioch Comment
  CHSC21608  Vulpia myuros var. myuros Willis Ball 1975-3-2 453 Contra Costa Contra Loma Regional Park. In area #4. Ca. 50 yds. s of dam on the e side of the lake. 30 Comment
  UC766812  Vulpia octoflora var. hirtella R. F. Hoover 1939-4-13 4021 a Contra Costa w branch Head of Markley Canyon Comment
  JEPS32004  Wyethia helenioides R. F. Hoover 1939-4-13 4016 Contra Costa w branch Head of Markley Canyon Comment
  UC36780  Wyethia helenioides J. Burtt Davy 1895-4-8 988 Contra Costa Antioch foothills Antioch Comment
  UC762539  Wyethia helenioides R. F. Hoover 1939-4-13 4016 Contra Costa head Markley Canyon ((w branch)); head Markley Canyon (w branch) Comment
  CDA15283  Xanthium strumarium G. F. Hrusa, D. Crowe, R. York 1998-7-17 14721 Contra Costa Sacramento Delta; Parallel to Antioch-Pittsburg Hwy at E end of Dow Chemical property. Comment
  UC765923  Zigadenus fremontii Robert F. Hoover 1939-4-13 4018 Contra Costa head (West Branch) Markley Canyon; head Markley Canyon Comment



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