Search Results — 2000 specimen records retrieved (1369 records with coordinates)
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Results for search: County=CONTRA COSTA; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC84478  Epilobium cleistogamum Katharine Curran Jun 1884 Contra Costa Antioch Comment
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Mar 27 2016
  LA205630  Phacelia perityloides H. M. Hall; F. M. Essig 1916-5-31 10135 Contra Costa Mt. Diablo 347 Comment
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Mar 29 2015
  SEINET3449243  Adiantum jordanii Dean G. Kelch, Andrew G. Murdock 2004-2-12 AGM 206 Contra Costa Franklin Canyon, Franklin Canyon, McHarry Ranch Road 126 Comment
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Sep 26 2014
  UC1794992  Wyethia angustifolia R. K. Brummitt and B. Ertter 1998-5-6 19795 Contra Costa Point San Pablo, W of Richmond 20 Comment
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Aug 3 2013
  CDA21191  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 1 of 2. 0 Comment
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Apr 29 2013
  RSA85297  Ranunculus occidentalis var. ultramontanus F. W. Peirson 1925-7-1 6171 Contra Costa Wood borders, State Line, Lake Tahoe Comment
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Feb 10 2013
  RSA622480  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27601 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
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Jan 30 2013
  RSA622485  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27602 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
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Jan 30 2013
  UCD97555  Atriplex minuscula Robert E. Preston 1996-7-30 988 Contra Costa on both sides of Greenville Road, 1/2 mile south of I-580. Comment
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Sep 3 2012
  UC1055869  Vulpia myuros var. hirsuta N. Floy Bracelin 1943-4-18 2479 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
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Sep 7 2011
  NY68295  Cordylanthus nidularius J. T. Howell 1942-7-19 17044 Contra Costa Near of Deer Flat, Mt. Diablo. Comment
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Jul 18 2011
  RSA202862  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1704 Contra Costa Western end of Las Trampas Ridge Comment
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Jul 2 2011
  UC6098  Phoradendron villosum W. C. Blasdale 1891-3-7 Contra Costa San Pablo Creek Comment
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May 25 2011
  POM248733  Cirsium quercetorum J. T. Howell 1938-6-30 13940 Contra Costa Berkeley Hills on NE slope near head of Wildcat Canyon. Comment
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Nov 27 2009
  JEPS111785  Silene gallica D. G. Kelch 2004-4-30 04 .153 Contra Costa Mt. Wanda - Martinez 115 Comment
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Oct 13 2009
  JEPS67063  Juncus phaeocephalus var. paniculatus W. L. Jepson 1918-6-15 7675 Contra Costa Wild Cat Creek Comment
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Jul 28 2008
  UC1789169  Lythrum tribracteatum Barbara Ertter 2005-8-18 18642 Contra Costa San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between Richmond and Orinda; abundant on mudflats left by receding reservoir, mostly dried. Comment
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May 27 2008
  POM150573  Delphinium recurvatum C. F. Baker 1903-4-27 s.n. Contra Costa Byron. Comment
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Oct 4 2007
  UC60233  Deschampsia cespitosa subsp. beringensis Jos. Burtt Davy 1900-6-7 6667 Contra Costa near Martinez Martinez Comment
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Sep 27 2007
  UC400158  Trifolium ciliolatum Ynes Mexia 1929-4-21 2373 Contra Costa Moraga Valley Comment
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Aug 31 2007
  UC906518  Delphinium decorum subsp. tracyi P. B. Kennedy 1916-5-21 Contra Costa between Diablo and summit of Mt. Diablo Comment
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Jun 4 2007
  UC1777688  Dittrichia graveolens Tina Carlsen 1996-10-9 Contra Costa E side of Greenville Rd. (.5 mi s of I-580) 182 Comment
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Oct 17 2006
  CAS-BOT-BC100698  Blennosperma nanum var. nanum Alice Eastwood 1914-3-14 3768 Contra Costa Byron Springs Comment
  CAS-BOT-BC102034  Bidens laevis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC104087  Salix hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa By Donner Canyon stream 152 Comment
  CAS-BOT-BC104164  Quercus X morehus John Thomas Howell 1925-10-11 1503 Contra Costa Chaparral, Moraga Ridge, Oakland Hills Comment
  CAS-BOT-BC104710  Quercus wislizeni Mary L. Bowerman 1930-7-7 287 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC106276  Brickellia californica H. E. McMinn 1922-10-17 400 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  CAS-BOT-BC11024  Dendromecon rigida John Thomas Howell 1925-10-11 1497 Contra Costa Moraga Ridge, Oakland Hills 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
  CAS-BOT-BC116456  Delphinium patens subsp. patens J. T. Howell 1933-5-14 11279 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC117551  Carex serratodens Miss Mary Leolin Bowerman 1933-4-15 1856 Contra Costa Canyon south of Arroyo del Cerro Comment
  CAS-BOT-BC119017  Carex pellita Walter Knight; B. Mortensen; J. Dean; R. Bensler; B. Atwater 1979-6-13 3364 Contra Costa Damp area in center of Browns Island. 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-BC130353  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club Comment
  CAS-BOT-BC132502  Calochortus pulchellus L. R. Abrams 1921-5-25 8053 Contra Costa 4 1/2 mi from summit, Mt. Diablo Comment
  CAS-BOT-BC132506  Calochortus pulchellus John Thomas Howell 1940-4-21 15397 Contra Costa Pine Canyon, Mt. Diablo Comment
  CAS-BOT-BC141254  Phoradendron serotinum subsp. tomentosum Mary L. Bowerman 1932-10-22 1636 Contra Costa Road to Quicksilver Mine: Flats at base of N Peak. Mount Diablo Comment
  CAS-BOT-BC143646  Heteromeles arbutifolia H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  CAS-BOT-BC147407  Rosa californica Peter H. Raven 1957-7-5 11053 Contra Costa Point Isabel Comment
  CAS-BOT-BC147409  Rosa californica Walter Knight; Joanne Dean 1978-8-14 3180 Contra Costa Browns Island Comment
  CAS-BOT-BC147412  Rosa californica C. Keefer 1922-9-25 s.n. Contra Costa [Morago] Moraga Ridge Comment
  CAS-BOT-BC149540  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-22 3038 Contra Costa Mount Diablo. Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks. 304 Comment
  CAS-BOT-BC150327  Diplacus aurantiacus L. R. Abrams 1916-6-30 5704 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC150329  Diplacus aurantiacus Alice Eastwood 1915-5-30 4455 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC154324  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo Comment
  CAS-BOT-BC156062  Bromus diandrus Walter Knight; Irja Knight; et al 1978-9-5 3219 Contra Costa Browns Island. Sandy Knoll. Comment
  CAS-BOT-BC156304  Solanum umbelliferum D. D. Keck 1933-11-2 2619 Contra Costa 1 mi. S.E. of Oakley Comment
  CAS-BOT-BC162567  Clarkia affinis Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC163608  Clarkia biloba subsp. biloba A. D. E. Elmer 1903-5-1 4319 Contra Costa Mount Diablo Comment
  CAS-BOT-BC163671  Clarkia purpurea subsp. quadrivulnera Barrett Anderson 1987-4-30 3500 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  CAS-BOT-BC165450  Clarkia unguiculata E. E. Stanford 1930-5-24 1510 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC167426  Hesperolinon breweri A. D. E. Elmer 1903-7-1 4545 Contra Costa Mount Diablo 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
  CAS-BOT-BC169514  Corylus cornuta subsp. californica H. E. McMinn 1925-1-1 s.n. Contra Costa Lead of San Leandro Creek Comment
  CAS-BOT-BC169942  Garrya fremontii H. E. McMinn 57 Contra Costa Summit Mt Diablo Comment
  CAS-BOT-BC17456  Athysanus pusillus John Thomas Howell 1931-3-10 5754 Contra Costa East side of Mount Diablo 7 miles from Clayton on Livermore Road. Comment
  CAS-BOT-BC17458  Athysanus pusillus Carl Meyer 1928-2-22 291 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC175362  Allenrolfea occidentalis W. R. Dudley 1906-7-19 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC190225  Cynodon dactylon Walter Knight 1978-8-27 3187 Contra Costa Contra Loma Regional Park near Antioch. 30 Comment
  CAS-BOT-BC193336  Astragalus tener var. tener Alice Eastwood 1914-3-14 3818 Contra Costa Byron Springs Comment
  CAS-BOT-BC197108  Echinochloa crus-galli John Thomas Howell; Gordon H. True 1972-6-29 48942 Contra Costa Along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  CAS-BOT-BC199242  Vaccinium ovatum W. W. Carruth 1901-5-1 s.n. Contra Costa Redwood Canon [Canyon] Comment
  CAS-BOT-BC200697  Rhus aromatica Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point ridge 350 Comment
  CAS-BOT-BC201366  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1936-4-19 2146 Contra Costa Antioch Comment
  CAS-BOT-BC203040  Vitis californica L. R. Abrams 1910-10-8 4346 Contra Costa Mt Diablo 762 Comment
  CAS-BOT-BC205014  Lathyrus jepsonii var. jepsonii Walter Knight; Irja Knight; John Thomas Howell; Elizabeth McClintock; Stephen P. Rae; Bob Doyle 1978-9-5 3227 Contra Costa Botany Cove, Browns Island, delta region of the San Joaquin River Comment
  CAS-BOT-BC206018  Ribes menziesii John Thomas Howell 1942-4-26 16951 Contra Costa Oakland Hills near Redwood Peak Comment
  CAS-BOT-BC215917  Calystegia purpurata subsp. purpurata Alice Eastwood 1915-5-30 4437 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC220509  Monardella villosa Katharine Brandegee 1907-7-4 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC221678  Monardella douglasii A. D. E. Elmer 1903-7-1 4544 Contra Costa Mount Diablo Comment
  CAS-BOT-BC223918  Helianthemum scoparium Mary L. Bowerman 1932-4-9 1332 Contra Costa Mount Diablo. Ridge to Wall Point, from near Rock City Comment
  CAS-BOT-BC224219  Eriodictyon californicum L. R. Abrams 1921-5-25 8061 Contra Costa On road to summit, Mt Diablo Comment
  CAS-BOT-BC226592  Leptosiphon ambiguus Mary L. Bowerman 1934-3-18 2481 Contra Costa Mount Diablo. West of Russelman Park on edge of Donner Canyon Comment
  CAS-BOT-BC22970  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC230253  Navarretia cotulifolia Mrs. Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC232584  Polypogon monspeliensis Walter Knight; Joanne Dean 1978-8-14 3190 Contra Costa Browns Island Comment
  CAS-BOT-BC23557  Arctostaphylos crustacea J. E. Adams 1934-3-9 623 Contra Costa Moraga Ridge Comment
  CAS-BOT-BC235871  Keckiella corymbosa A. D. E. Elmer 1903-7-1 4956 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC235873  Keckiella corymbosa H. E. McMinn 1922-6-2 97 Contra Costa Near summit of Mt. Diablo Comment
  CAS-BOT-BC23597  Arctostaphylos crustacea W. W. Carruth 1902-3-1 s.n. Contra Costa Pine Ridge, Moraga Valley Comment
  CAS-BOT-BC236394  Poa secunda subsp. secunda Alice Eastwood 1921-4-18 10289 Contra Costa Antioch Comment
  CAS-BOT-BC238635  Sambucus nigra subsp. caerulea Walter Knight 1965-3-1 894 Contra Costa Antioch dunes Comment
  CAS-BOT-BC24105  Arctostaphylos auriculata Mary L. Bowerman 1933-3-25 1771 Contra Costa Emmons Canyon, Diablo Stock Farm (Stone Valley) Canyon: Comment
  CAS-BOT-BC24111  Arctostaphylos auriculata Walter Knight; Irja Knight 1968-2-19 2276 Contra Costa Sandmine ravine in Somersville Comment
  CAS-BOT-BC241458  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa Levee, east end of Jersey Island Comment
  CAS-BOT-BC24392  Arctostaphylos manzanita subsp. manzanita Walter Knight 1979-5-31 3376 Contra Costa Morgan Territory Regional Land Bank. Comment
  CAS-BOT-BC24393  Arctostaphylos manzanita subsp. manzanita Walter Knight 1979-5-31 3376 Contra Costa Morgan Territory Regional Land Bank. Comment
  CAS-BOT-BC24656  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa Mount Diablo, Fossil Ridge, outer s. face: In gully nw. of South Gate. Comment
  CAS-BOT-BC24658  Arctostaphylos glauca H. E. McMinn s.n. Contra Costa Mt Diablo, Curry Canyon. Comment
  CAS-BOT-BC24660  Arctostaphylos glauca John Thomas Howell 1926-3-7 1674 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC246643  Poa howellii Mary L. Bowerman 1933-5-22 2167 Contra Costa Mount Diablo. Inner Black Hills: West of 1970 Comment
  CAS-BOT-BC248088  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 182 Comment
  CAS-BOT-BC24809  Arctostaphylos glandulosa subsp. glandulosa Paul F. Covel 1938-2-20 1113 Contra Costa Moraga Ridge above Pinehurst. Comment
  CAS-BOT-BC260945  Pleuropogon californicus var. californicus Ynes Mexia 1929-4-21 2388 Contra Costa Junction of Franklin Canyon Comment
  CAS-BOT-BC264081  Chorizanthe uniaristata M. K. Curran 1884-1-1 s.n. Contra Costa Near Mt. Diablo Comment
  CAS-BOT-BC266436  Campanula exigua Alice Eastwood 1915-5-30 4452 Contra Costa Mount Diablo Comment
  CAS-BOT-BC266489  Githopsis diffusa Alice Eastwood 1915-5-30 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC267446  Eriogonum truncatum M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC26962  Amsinckia strigosa Alice Eastwood 1914-3-14 3773 Contra Costa Byron Springs Comment
  CAS-BOT-BC269818  Eriogonum nudum var. psychicola Peter Rubtzoff 1954-9-14 1746 Contra Costa Along lower San Joaquin River, east of Antioch 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-BC271222  Melica californica Mary L. Bowerman 1932-4-16 1349 Contra Costa Eagle Point, Mount Diablo Comment
  CAS-BOT-BC272211  Leymus triticoides A. A. Beetle 1941-6-24 1751 Contra Costa Pt. Richmond on San Francisco Bay Comment
  CAS-BOT-BC275352  Calycadenia truncata var. truncata Mary L. Bowerman 1931-9-12 1040 Contra Costa Mount Diablo. Mitchell Canyon, spur jutting into W fork 838 Comment
  CAS-BOT-BC278272  Festuca californica J. W. Congdon 1896-5-29 s.n. Contra Costa Mt Diablo Comment
  CAS-BOT-BC278318  Festuca californica subsp. californica Mary L. Bowerman 1931-4-25 757 Contra Costa Mount Diablo. Near junction of south and west roads Comment
  CAS-BOT-BC279181  Centromadia pungens subsp. pungens Walter Knight; Irja Knight; et al 1978-9-5 3224 Contra Costa Browns Island Comment
  CAS-BOT-BC283732  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Pt Richmond on San Francisco Bay Comment
  CAS-BOT-BC284220  Chaenactis glabriuscula var. megacephala Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC288540  Centromadia fitchii John Thomas Howell 1930-9-28 5497 Contra Costa 6.3 miles from Byron on the Marsh Creek Rd Comment
  CAS-BOT-BC294012  Deinandra kelloggii K. Brandegee 1907-5-5 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC294016  Deinandra kelloggii Alice Eastwood 1921-4-18 10300 Contra Costa Antioch Comment
  CAS-BOT-BC29887  Achyrachaena mollis James I. W. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC30112  Chrysolepis chrysophylla var. minor C. Keeper 1924-9-25 s.n. Contra Costa Moraga ridge Comment
  CAS-BOT-BC30113  Chrysolepis chrysophylla var. minor W. B. Stephens 1919-11-22 s.n. Contra Costa Moraga ridge Comment
  CAS-BOT-BC304577  Gutierrezia californica Peter Rubtzoff 1951-10-7 822 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC305246  Grindelia hirsutula L. R. Abrams 1910-10-9 4357 Contra Costa Between San Ramon and Dublin Comment
  CAS-BOT-BC305322  Helianthella castanea Alice Eastwood 1915-5-30 4475 Contra Costa Mitchel [Mitchell] Canyon, Mt. Diablo Comment
  CAS-BOT-BC305326  Helianthella castanea John Thomas Howell 1931-5-12 6475 Contra Costa Nortonville Comment
  CAS-BOT-BC314857  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1937-9-2 s.n. Contra Costa Walnut Creek Comment
  CAS-BOT-BC320246  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 miles west of Byron, on the Marsh Creek Road 33 Comment
  CAS-BOT-BC320255  Holocarpha obconica David D. Keck 1933-10-27 2567 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320257  Holocarpha obconica David D. Keck 1933-10-27 2569 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320259  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 miles west of Byron, on the Marsh Creek Road 33 Comment
  CAS-BOT-BC320261  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on the Marsh Creek Road Comment
  CAS-BOT-BC321077  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-BC323911  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  CAS-BOT-BC324481  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  CAS-BOT-BC324488  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  CAS-BOT-BC324490  Madia radiata Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC327246  Layia hieracioides John Thomas Howell 1940-4-21 15405 Contra Costa Pine Canyon, Mt. Diablo Comment
  CAS-BOT-BC327804  Monolopia gracilens Mary L. Bowerman 1935-5-8 2973 Contra Costa Mt. Diablo, Muir Area, 1036 Comment
  CAS-BOT-BC328000  Pentachaeta alsinoides Alice Eastwood; John Thomas Howell 1936-4-19 2138 Contra Costa Nortonville Comment
  CAS-BOT-BC334185  Acer negundo var. californicum Alice Eastwood 1914-2-24 3734 Contra Costa Antioch Comment
  CAS-BOT-BC342681  Madia elegans Mary L. Bowerman 1936-9-10 3542 Contra Costa Mount Diablo. Donner Canyon 335 Comment
  CAS-BOT-BC348261  Matricaria occidentalis Alice Eastwood 1927-5-19 14446 Contra Costa Byron Springs Comment
  CAS-BOT-BC349610  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC352924  Lasthenia glaberrima Mary L. Bowerman 1935-6-21 3153 Contra Costa Mount Diablo. South of Turtle Rock, pool east of main pond Comment
  CAS-BOT-BC353336  Lasthenia fremontii Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10587 Contra Costa Vernal flats 3.0 miles S of Byron. Comment
  CAS-BOT-BC356112  Pluchea odorata Walter Knight; J. Dean 1978-8-14 3137 Contra Costa Browns Island Comment
  CAS-BOT-BC362959  Rigiopappus leptocladus Mary L. Bowerman 1933-5-8 2016 Contra Costa Mount Diablo. Fossil Ridge near crest, on north side by side road Comment
  CAS-BOT-BC362961  Rigiopappus leptocladus Mary L. Bowerman 1933-5-10 2061 Contra Costa Mount Diablo. Ridge at east end of, and south of, Meridian Flat 822 Comment
  CAS-BOT-BC362963  Rigiopappus leptocladus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC377910  Layia platyglossa James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC383294  Wyethia glabra Mary L. Bowerman 1932-4-16 1336 Contra Costa Mount Diablo. Eagle Point ridge, north end Comment
  CAS-BOT-BC383368  Wyethia helenioides John Thomas Howell 1933-5-14 11287 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC385044  Vitis californica A. D. E. Elmer 1903-7-1 4955 Contra Costa Mount Diablo Comment
  CAS-BOT-BC38880  Arctostaphylos manzanita subsp. laevigata H. E. McMinn 1923-3-6 876 c Contra Costa Mt. Diablo Comment
  CAS-BOT-BC390238  Spergularia macrotheca var. leucantha R. F. Hoover 1967-4-28 10514 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC392088  Aquilegia formosa John Thomas Howell 1933-5-14 11253 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC400403  Aristolochia californica D. E. Breedlove 1970-4-18 17444 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC40510  Caulanthus lasiophyllus Mary L. Bowerman 1933-4-26 1924 Contra Costa Mount Diablo. North Peak ridge east-southeast of the peak, south face. 609 Comment
  CAS-BOT-BC40770  Erysimum capitatum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC41015  Caulanthus flavescens Mary L. Bowerman 1935-4-22 2879 Contra Costa Mount Diablo. North Road 2 miles from North Gate, just west of chaparral. 213 Comment
  CAS-BOT-BC412725  Lastarriaea coriacea James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC41652  Draba cuneifolia var. cuneifolia Walter Knight; Irja Knight 1968-3-18 2278 Contra Costa Charles Lee Tilden Regional Park. In the Botanic garden. Comment
  CAS-BOT-BC419325  Persicaria punctata Walter Knight; Joanne Dean 1978-8-14 3179 Contra Costa Browns Island Comment
  CAS-BOT-BC42236  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  CAS-BOT-BC428219  Dudleya cymosa subsp. paniculata Alice Eastwood 1915-5-30 4523 Contra Costa Mount Diablo Comment
  CAS-BOT-BC435625  Lithophragma heterophyllum Mary L. Bowerman 1931-3-21 585 Contra Costa Sycamore Canyon Comment
  CAS-BOT-BC436989  Acaena pinnatifida var. californica John Thomas Howell 1933-5-14 11285 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC438372  Calandrinia ciliata Mary L. Bowerman 1939-5-2 3741 Contra Costa Mount Diablo. By road to Barbecue Terrace (off South Road) 563 Comment
  CAS-BOT-BC439165  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Mount Diablo. Alamo Canyon 350 Comment
  CAS-BOT-BC439167  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-7 1676 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC439436  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1930-6-14 331 Contra Costa Mount Diablo. Meridian Peak Summit Comment
  CAS-BOT-BC440076  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-5-14 11273 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC45657  Quercus agrifolia John Thomas Howell 1926-12-27 2274 Contra Costa Near Oakley Comment
  CAS-BOT-BC48834  Ceanothus cuneatus H. E. McMinn 1923-3-6 887 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC5937  Eschscholzia recta Mary Katherine (Mrs.) Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC59897  Rhamnus ilicifolia H. E. McMinn 1922-6-2 90 Contra Costa N. slope of Mt. Diablo. Comment
  CAS-BOT-BC62925  Frangula californica subsp. tomentella H. E. McMinn s.n. Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC6694  Phacelia distans var. australis Charles Fuller Baker 1903-4-28 2806 Contra Costa Antioch Comment
  CAS-BOT-BC67405  Tropidocarpum gracile H. L. Mason 1932-3-20 6842 Contra Costa Antioch. Comment
  CAS-BOT-BC67411  Tropidocarpum gracile Volney Rattan s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC7190  Nemophila decumbens M. K. Curran 1883-5-1 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC74269  Raphanus sativus Walter Knight 1965-3-1 908 Contra Costa Antioch Dunes. Comment
  CAS-BOT-BC79607  Quercus durata Mary L. Bowerman 1932-10-16 1632 Contra Costa Mount Diablo. Donner Canyon Trail Comment
  CAS-BOT-BC83284  Myosurus minimus M. K. Curran 1884-1-1 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC83297  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10583 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC86644  Quercus douglasii Alice Eastwood 1923-5-14 11813 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC87337  Streptanthus hispidus R. Bacigalupi 1946-5-30 2782 Contra Costa Along auto road up Mount Diablo, about 0.5 mile below Juniper Camp. Comment
  CAS-BOT-BC87342  Streptanthus hispidus Alice Eastwood 1921-6-11 10603 Contra Costa Mount Diablo near summit. Comment
  CAS-BOT-BC87343  Streptanthus hispidus L. R. Abrams 1921-5-25 8059 Contra Costa Summit Mount Diablo. Comment
  CAS-BOT-BC89765  Lepidium latipes John Thomas Howell 1933-3-29 10907 Contra Costa Nortonville Hills. Comment
  CAS-BOT-BC89891  Lepidium nitidum Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC91604  Platystemon californicus John Thomas Howell 1933-5-14 11278 Contra Costa Hills east of Saint Mary's College. Comment
  CAS-BOT-BC95309  Bowlesia incana John Thomas Howell 1933-3-29 10901 Contra Costa Nortonville hills Comment
  CAS-BOT-BC95329  Bowlesia incana Mary L. Bowerman 1935-6-1 3098 Contra Costa Pine-Mitchell divide, Mount Diablo 975 Comment
  CAS-BOT-BC98614  Baccharis pilularis John Thomas Howell; Gordon H. True 1972-6-29 48926 Contra Costa Near Byron Hot Springs (site) Comment
  CDA1152  Ranunculus hebecarpus D. G. Kelch, A. G. Murdock 2005-5-1 5 .188 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  CDA1347  Plagiobothrys acanthocarpus D. G. Kelch 1992-3-21 1825 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  CDA1503  Grindelia stricta D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh 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
  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
  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
  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
  CDA18840  Centaurea calcitrapa J. Vargas 1999-7-19 PDR 1219275 Contra Costa near the junction of Hwy 4 and Willow Pass Rd., nr. Concord. 0 Comment
  CDA18901  Hesperis matronalis V. Guise 2000-5-22 PDR 031723 Contra Costa on the east side of Tassajara Rd., Danville. 0 Comment
  CDA19209  Agrostis viridis Whitlock 2001-4-3 PDR 041591 Contra Costa San Francisco Bay Area; At San Joaquin yacht harbor, Antioch. 0 Comment
  CDA19637  Crepis bursifolia Doreen Smith, Wilma Follette 2003-10-25 s.n. Contra Costa San Francisco Bay Area; Briones Park. 0 Comment
  CDA20143  Lythrum salicaria R. M. Case 2003-6-13 PDR 1406286 Contra Costa San Francisco Bay Area; Walnut Creek Flood Channel, S of Waterfront Rd, N of Hwy 4. 0 Comment
  CDA20181  Solanum elaeagnifolium A. Niang 2003-7-9 PDR 1406328 Contra Costa San Francisco Bay Area; Brentwood. 0 Comment
  CDA20234  Salsola australis P. Akers 2003-10-7 B 107 Contra Costa San Joaquin Valley; Contra Costa water district, E edge of Discovery Bay on Hwy 4. Area a mix of S. australis and S. tragus. 7 Comment
  CDA20617  Cuscuta japonica G. F. Hrusa 2006-1-18 s.n. Contra Costa San Francisco Bay Area; San Pablo at Stanton at San Pablo Ave. 0 Comment
  CDA2083  Eragrostis curvula H. R. VanBrocklin 1961-4-12 Contra Costa North side Marsh Creek Road, 1 mile east of Clayton. 0 Comment
  CDA21584  Croton californicus D. G. Kelch 2000-9-4 0 .146 Contra Costa CA Delta; N Oakley. Comment
  CDA22279  Soleirolia soleirolii D. G. Kelch, A. G. Murdock 2005-5-23 5 .377 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  CDA2277  Phalaris aquatica T. C. Fuller 1961-9-13 7004 Contra Costa Byron-Tracy Hwy (Hwy J4), 0.1 mile north of Delta-Mendota Canal. 0 Comment
  CDA22902  Rumex crispus D. G. Kelch 2006-7-14 6 .33 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  CDA23076  Chamaesyce maculata D. G. Kelch, D. A. Weinstein 2008-5-5 8 .093 Contra Costa Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall. Comment
  CDA23333  Atriplex triangularis D. G. Kelch, A. G. Murdock 2003-8-13 3 .095 Contra Costa Carquinez Strait Region; Martinez Marsh Comment
  CDA23556  Sinapis arvensis D. G. Kelch 2008-3-3 8 .028 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  CDA23595  Madia sativa D. G. Kelch 2007-9-8 7 .568 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  CDA23610  Zannichellia palustris D. G. Kelch 2007-10-6 7 .631 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  CDA23633  Helianthella castanea D. G. Kelch 2007-9-8 7 .57 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  CDA23635  Quercus kelloggii D. G. Kelch 2007-10-6 7 .629 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  CDA23916  Mesembryanthemum nodiflorum D. G. Kelch 2006-7-14 6 .327 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  CDA24309  Ranunculus californicus D. G. Kelch, A. G. Murdock 2005-4-15 5 .138 Contra Costa Rodeo Creek. Comment
  CDA24511  Umbellularia californica D. G. Kelch, A. G. Murdock 2003-2-7 03 .037.B Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  CDA25739  Trifolium ciliolatum D. G. Kelch 2008-4-12 8 .037 Contra Costa Mt Diablo. Mitchell Canyon. Along road looping north of main Mitchell Canyon Rd. Comment
  CDA27151  Lathyrus vestitus var. vestitus D. G. Kelch, A. G. Murdock 2005-3-24 5 .071 Contra Costa Carquinez Strait; Chevy s Hill. Comment
  CDA2750  Allium neapolitanum D. G. Kelch, A. G. Murdock 2004-4-11 4 .073 Contra Costa Carquinez Strait; Hillside above Rolf Drive, Crockett. Lower Crolona Heights. Comment
  CDA27905  Trifolium bifidum var. decipiens D. G. Kelch, A. G. Murdock 2005-5-1 5 .199 Contra Costa Carquinez Strait Region; Crockett - Edwards Canyon. Lower Edwards Canyon. Comment
  CDA28132  Agrostis exarata D. G. Kelch 2003-8-13 3 .113 Contra Costa Carquinez Strait; Salt Marsh E of Marina. Martinez. Comment
  CDA28880  Bromus diandrus D. G. Kelch 2006-5-7 6 .162 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CDA29014  Nassella lepida D. G. Kelch 2006-5-7 6 .163 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CDA29048  Triphysaria pusilla D. G. Kelch 2006-5-7 6 .157 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CDA29106  Linum bienne D. G. Kelch 2006-5-7 06 .148-B Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CDA29515  Trifolium tomentosum D. G. Kelch, Troy MacGregor 2009-5-1 9 .286 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  CDA29524  Phalaris paradoxa D. G. Kelch, Troy MacGregor 2009-5-1 9 .28 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  CDA31069  Quercus chrysolepis D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .232 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  CDA31366  Hemizonia pungens D. G. Kelch 2010-10-29 10 .441 Contra Costa Carquinez Strait; Rankin park just west of Martinez adjacent to parking lot. Comment
  CDA31836  Nassella lepida D. G. Kelch 2008-4-24 8 .062 Contra Costa Carquinez Strait; W of Ozol Rock ~2 km W of Martinez. Comment
  CDA32482  Leymus triticoides D. G. Kelch 2005-6-24 5 .385 Contra Costa Carquinez Strait Region; 5th Street Prairie, Crockett. Comment
  CDA32524  Melica torreyana D. G. Kelch, Andrew Murdock 2003-3-21 3 .055 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  CDA32621  Piptatherum miliaceum A. G. Murdock, D. G. Kelch 2004-6-4 316 Contra Costa Carquinez Strait Region; Martinez - Train Station. Comment
  CDA32680  Spartina foliosa D. G. Kelch 2004-7-9 4 .314 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  CDA32928  Bellardia trixago D. G. Kelch 2009-5-24 9 .3 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  CDA33418  Micropus californicus D. G. Kelch 2011-5-28 11 .542 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  CDA33492  Cuscuta japonica Yost 2008-7-17 PDR# 1454020 Contra Costa Antioch; 5124 Paddock Ct. 0 Comment
  CDA33504  Cuscuta japonica R. Fonseca 2008-10-27 PDR# 1455391 Contra Costa Rodeo; 2 California St. 0 Comment
  CDA33621  Sesbania punicea Lepando 2010-7-14 PDR# 1645158 Contra Costa Concord; Rancho Diablo Clubhouse, 355 Vista Grande 0 Comment
  CDA33974  Salix lasiolepis D. G. Kelch 2011-3-31 11 .08 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  CDA34184  Linum bienne D. G. Kelch 2011-5-28 11 .537 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  CDA37265  Malva neglecta D. G. Kelch 2011-3-31 11 .069 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  CDA37269  Dirca occidentalis D. G. Kelch 2010-1-17 10 .31-B Contra Costa Carquinez Strait Region; Upper North Fork of Rodeo Creek, immediately west of Cummings Skyway. Comment
  CDA37338  Paspalum distichum D. G. Kelch 2010-10-31 10 .443 Contra Costa Valley north of Alhambra Valley Rd., south of Pinole Peak, east of Hercules. Comment
  CDA3809  Lepidium latifolium A. G. Murdock, D. G. Kelch 2004-5-28 301 Contra Costa Carquinez Strait; Luzon. Comment
  CDA38315  Eryngium jepsonii D. G. Kelch 2004-7-9 4 .297 Contra Costa Carquinez Strait region; Crockett - Carquinez Scenic Drive; just west of Pt. Costa. Comment
  CDA38378  Centaurium tenuiflorum D. G. Kelch 2005-6-24 5 .388 Contra Costa Carquinez Strait Region; Franklin Canyon at McEwen Road. Comment
  CDA38526  Sanicula crassicaulis D. G. Kelch 2003-4-3 3 .367 Contra Costa Carquinez Strait Region; Cummings Skyway. Comment
  CDA39042  Quercus garryana D. G. Kelch 2011-6-5 11 .57 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  CDA39127  Scirpus maritimus var. paludosus D. G. Kelch 2004-6-6 4 .23 Contra Costa Carquinez Strait Region; Martinez -- Train Station: In large fill area north of Frontage Road, east of Martinez and I-680. Comment
  CDA39961  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454023 Contra Costa El Sobrante; 5741 Skyview Place (near Richmond city limits?) 0 Comment
  CDA41323  Castilleja exserta subsp. exserta D. G. Kelch 2005-4-15 5 .144 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  CDA41325  Castilleja exserta subsp. exserta D. G. Kelch 2005-5-13 5 .239 Contra Costa Carquinez Strait Region; Martinez. South of oil refinery along railroad tracks in fragment of habitat. Comment
  CDA41329  Castilleja densiflora subsp. densiflora D. G. Kelch 2003-4-3 3 .372 Contra Costa Carquinez Strait Region; Cummings Skyway. Comment
  CDA41896  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-3-26 5 .097 Contra Costa Carquinez Strait Region; Pinole Peak. Fernandez Ranch, south side - road from Perreria Road to Pinole Peak Ridge. Comment
  CDA42163  Plantago erecta D. G. Kelch 2004-4-11 4 .062 Contra Costa Carquinez Strait Region; Crockett ; 5th Street Prarie. Comment
  CDA42363  Cordylanthus pilosus subsp. pilosus D. G. Kelch, Vince Guise 2012-7-26 12 .23 Contra Costa Carquinez Strait.; Martinez. Summit of Shady Glen Rd on sandstone outcrop. Comment
  CDA42365  Pseudognaphalium californicum D. G. Kelch, Vince Guise 2012-7-26 12 .232 Contra Costa El Sobrante; Circle Dr. Comment
  CDA42432  Lepidium virginicum D. G. Kelch 2012-6-1 12 .093 Contra Costa Carquinez Strait Region; 1 km east of Port Costa in the vicinity of the old brick factory. Comment
  CDA42441  Lamium purpureum D. G. Kelch, Daniel Weinstein 2013-3-9 13 .018 Contra Costa Carquinez Strait; Crockett. Comment
  CDA4276  Trifolium fragiferum D. G. Kelch, A. G. Murdock 2005-6-24 5 .389 Contra Costa Carquinez Strait Region; Franklin Canyon at McEwen Road. Comment
  CDA4416  Vicia benghalensis D. G. Kelch, A. G. Murdock 2005-3-24 5 .06 Contra Costa Carquinez Strait Region; Southern Point Pinole. Comment
  CDA4742  Tribulus terrestris A. G. Murdock, D. G. Kelch 2004-5-28 305 Contra Costa Carquinez Strait; Luzon. Comment
  CDA5880  Gnaphalium californicum D. G. Kelch, A. G. Murdock 2004-7-9 4 .295 Contra Costa Carquinez Strait Region; Crockett - Carquinez Scenic Drive. East of Crockett West of Bull Valley SA. Comment
  CDA5999  Gnaphalium canescens subsp. beneolens D. G. Kelch, A. G. Murdock 2004-9-2 4 .345 Contra Costa Carquinez Strait Region; Martinez -West: Ozol Rock and Scenic Drive. Alhambra Road. South of Green Street. Comment
  CDA6550  Helianthus californicus D. G. Kelch, A. G. Murdock 2004-9-2 4 .332 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  CDA7895  Ricinus communis D. G. Kelch, A. G. Murdock 2004-7-9 4 .316 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  CDA7904  Scabiosa atropurpurea A. G. Murdock, D. G. Kelch 2003-9-12 200 Contra Costa Carquinez Strait; Nr Selby, W of Crockett. Comment
  CDA7905  Phoradendron macrophyllum D. G. Kelch, A. G. Murdock 2005-1-16 5 .035 Contra Costa Carquinez Strait; Dutra fire road. Comment
  CDA8107  Lasthenia californica D. G. Kelch 1992-3-21 1827 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  CDA8239  Madia exigua D. G. Kelch, A. G. Murdock 2004-5-9 4 .205 Contra Costa Carquinez Strait Region; Crockett - Upper Edwards Canyon above Crockett Boulevard. Comment
  CDA8346  Erodium botrys D. G. Kelch, A. G. Murdock 2005-4-2 05 .104-B Contra Costa Carquinez Strait; EBRP. Crockett Hills Staging Area. Crockett. Comment
  CDA8368  Ribes californicum D. G. Kelch, A. G. Murdock 2005-1-16 5 .001 Contra Costa Carquinez Strait; Dutra fire road. Comment
  CDA9096  Calochortus venustus D. G. Kelch 2007-6-3 7 .431 Contra Costa East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir. Comment
  CDA922  Ranunculus hebecarpus D. G. Kelch 2006-5-4 6 .125 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  CDA9229  Iris pseudacorus D. G. Kelch 1991-5-1 s.n. Contra Costa CA Delta; Pittsburg Marina Comment
  CDA923  Cupressus macrocarpa D. G. Kelch 2006-5-5 6 .128 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  CDA9292  Cyperus difformis D. G. Kelch 2006-9-15 6 .474 Contra Costa Carquinez Strait; Shell Ave., Martinez. Between Pine St. and Harborview Dr. Comment
  CDA932  Calandrinia ciliata D. G. Kelch 2005-2-13 05 .007-B Contra Costa Carquinez Strait; Upper Canada de Cierbo. Comment
  CDA933  Delphinium californicum D. G. Kelch 2005-6-14 5 .335 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  CDA9368  Malvella leprosa D. G. Kelch 2006-7-14 6 .332 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  CDA9369  Juncus arcticus subsp. balticus D. G. Kelch 2006-7-14 6 .334 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  CDA9450  Amsinckia menziesii D. G. Kelch 1992-3-21 1822 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  CDA947  Sisymbrium officinale D. G. Kelch 2006-5-5 6 .13 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  CDA9493  Marsilea vestita D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .217 Contra Costa Byron Airport. Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  CDA9506  Suaeda nigra D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .233 Contra Costa Byron Airport. Comment
  CDA9544  Parapholis incurva D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 9 .221 Contra Costa Byron Airport. Comment
  CDA9545  Senecio vulgaris D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .224 Contra Costa Byron Airport. Comment
  CDA975  Bromus trinii D. G. Kelch 2005-6-14 05 .333-B Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  CDA9763  Agrostis pallens D. G. Kelch 2002-5-24 2 .019 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  CDA9966  Ambrosia chamissonis D. G. Kelch, A. G. Murdock 2004-7-9 4 .312 Contra Costa Carquinez Strait; Rodeo Shore. Rodeo Shoreline. Comment
  CHSC116626  Veronica peregrina subsp. xalapensis Lowell Ahart; Josephine Guardino 2016-4-19 20781 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  CHSC116631  Stipa pulchra Lowell Ahart; Josephine Guardino 2016-4-19 29793 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides ot the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  CHSC116660  Calandrinia ciliata Lowell Ahart; Josephine Guardino 2016-4-19 20777 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 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
  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
  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
  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
  CHSC22658  Aesculus californica Robert A. Schlising 1965-1-24 2740 Contra Costa North of Briones Reservoir along Hampton Road; 1.1 mi S of Jct with Garcia Ranch Road. Comment
  CHSC22760  Lepidium nitidum Robert A. Schlising 1962-4-7 2146 Contra Costa Coast Ranges. Along roads and highways near Antioch Reservoir. Comment
  CHSC23289  Acmispon wrangelianus Carol Getzinger 1964-4-11 Contra Costa Along Arlington Boulevard at Patterson Circle, Richmond. 30 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
  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
  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
  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
  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
  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
  CHSC24837  Calandrinia ciliata var. menziesii M. A. Callahan 1976-4-14 14 Contra Costa Small pop. 5 m. from roadside w of house at 1976 Mohawk Dr. Pleasant Hill. 115 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
  CHSC46893  Marah oregana R. A. Schlising 1965-4-6 2780 Contra Costa Berkeley Hills. Comment
  CHSC46933  Marah oregana Robert A. Schlising 1964-4-2 2671 Contra Costa Berkeley Hills, above city of Oakland. Comment
  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
  CHSC67897  Plagiobothrys trachycarpus James D. Jokerst 1988-3-21 2995 Contra Costa Los Vaqueros project in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Comment
  CHSC67898  Plagiobothrys trachycarpus James D. Jokerst 1989-3-28 3054 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC68026  Myosurus minimus James D. Jokerst 1989-3-28 3058 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC69649  Myosurus sessilis James D. Jokerst 1989-3-28 3059 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC75089  Lupinus polycarpus Roger Thomas 1987-4-21 5 Contra Costa 3300 block of Johnson Rd. Lafayette. 152 Comment
  CHSC75113  Montia perfoliata Roger Thom 1987-4-17 1 Contra Costa 3300 block Johnson Rd. in Lafayette. 152 Comment
  CHSC75158  Tanacetum parthenium Roger Thom 1987-5-24 14 Contra Costa 3354 Johnson Rd., Lafayette. 167 Comment
  CHSC84547  Parapholis incurva John Dittes 2003-5-6 2003 -15 Contra Costa San Joaquin Valley; approximately 10.0 air-miles north of Livermore, 0.4 air-miles north of Vasco Road; Los Vaqueros Reservoir Watershed. 65 Comment
  CHSC93813  Claytonia exigua subsp. exigua K. L. Chambers 1977-4-1 4266 Contra Costa Mt. Diablo. On trail to Deer Flat from the summit road, ca. 1/8 mile above Deer Flat. Comment
  CHSC97920  Olea europaea D. G. Kelch 2006-6-23 06 .322B Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Along small stream draining north into the western end of the Carquinez Strait. 91 Comment
  JEPS100006  Clarkia affinis G. Smick 2003-4-29 GAS 154 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100014  Calystegia subacaulis subsp. subacaulis G. Smick 2003-5-6 GAS 170 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100015  Hordeum brachyantherum S. O'Neil 2003-5-8 SEO 34 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100034  Polypogon monspeliensis A. Langston 2003-6-6 AL 36 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100035  Poa annua S. O'Neil 2003-5-8 SEO 28 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100056  Chlorogalum pomeridianum A. Langston 2003-6-12 AL 42 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100063  Lavatera cretica A. Langston 2003-7-7 AL 59 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100067  Xanthium strumarium A. Langston 2003-7-28 AL 77 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100078  Sisymbrium officinale G. Smick 2003-5-30 GAS 207 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100088  Silene gallica G. Smick 2003-3-25 GAS 77 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100108  Trifolium willdenovii G. Smick 2003-3-25 GAS 81 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100113  Robinia pseudoacacia A. Langston 2003-8-26 AL 83 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100117  Lupinus microcarpus var. microcarpus G. Smick 2003-5-30 GAS 198 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100122  Sambucus mexicana G. Smick 2003-4-29 GAS 150 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100133  Perideridia kelloggii A. Langston 2003-7-9 AL 63 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100137  Anthriscus caucalis G. Smick 2003-4-29 GAS 148 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100142  Triphysaria pusilla G. Smick 2003-3-25 GAS 76 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100164  Wyethia helenioides S. O'Neil 2003-3-11 SEO 14 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100165  Wyethia angustifolia G. Smick 2003-5-6 GAS 168 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100176  Helminthotheca echioides A. Langston 2003-8-26 AL 84 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS102904  Ranunculus lobbii Barbara Ertter with Mary Bowerman 1995-5-7 14035 Contra Costa pond W of Three Springs trail on NE side of mouuntain Mount Diablo 304 Comment
  JEPS102916  Calochortus argillosus Barbara Ertter with Dan Norris 1998-6-18 16209 Contra Costa South Gate Road ca 1 mi from entrance Mount Diablo 304 Comment
  JEPS10382  Lasthenia californica subsp. californica W. L. Jepson 1931-4-5 15718 Contra Costa adobe flat in hills about Nortonville 457 Comment
  JEPS105450  Cordylanthus nidularius Dean W. Taylor 1994-7-26 14554 Contra Costa Bald Ridge, Mount Diablo State Park 762 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
  JEPS105728  Navarretia gowenii David Gowen 2004-6-13 102 Contra Costa Lime Ridge Open Space. Northwest end, ca. 600 feet elev. Comment
  JEPS107019  Trifolium bifidum var. decipiens J. Greenhouse with Kevin Hintsa 2004-4-5 5090 Contra Costa Mt. Diablo, lower summit parking area 1124 Comment
  JEPS107126  Vicia villosa subsp. varia Barbara Ertter, Mary Bowerman 1995-6-11 14250 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo; near Indian Valley School entrance (planted Clarkia also present). 91 Comment
  JEPS107131  Ranunculus sceleratus Barbara Ertter, Kristin Ertter 1995-7-11 14485 Contra Costa West side of Mt Diablo SW of Walnut Creek; mudflat around inlet to Pine Pond. Comment
  JEPS108223  Streptanthus glandulosus subsp. glandulosus David Gowen 2005-5-6 279 Contra Costa Mt. Diablo State Park. South east end of Prospectors Gap Rd., ca 0.3 mile NW of its junction with Ray Morgan Rd. Small area of serpentine outside of the park boundary. Comment
  JEPS108227  Cryptantha nevadensis David Gowen 2005-5-6 283 Contra Costa Mt. Diablo State Park. Rocky outcrops on the south side of North Peak. Comment
  JEPS108318  Eriogonum umbellatum var. bahiiforme David Gowen 2005-5-29 399 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve. Rocky area west of summit of hill 2581 (Tassajara Pk.?). Comment
  JEPS108385  Campanula griffinii David Gowen 2005-4-25 263 Contra Costa Mt. Diablo State Park. South east end of Prospector's Gap Rd., ca 0.3 mile NW of its junction with Ray Morgan Rd. Small area of serpentine outside of the park boundary. Comment
  JEPS111082  Gastridium ventricosum Lee Echols 2003-6-15 s.n. Contra Costa S. of Lark Drive in E portion of grassland W of EPA building within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  JEPS111524  Beta vulgaris D. G. Kelch 2005-5-5 05 .209 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  JEPS111525  Coronopus didymus D. G. Kelch 2005-5-5 05 .210 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  JEPS111544  Malva nicaeensis D. G. Kelch 2004-6-19 04 .279 Contra Costa Crockett - West Valona Along railroad tracks west of Carquinez Bridge Crockett (Valona) Contra Costa County CA 20 Comment
  JEPS111545  Malvella leprosa D. G. Kelch 2004-7-9 04 .306 Contra Costa Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite 60 Comment
  JEPS111595  Lomatium utriculatum A. G. Murdock 2004-3-19 235 Contra Costa McEwen Road 150 Comment
  JEPS111610  Sanicula bipinnata D. G. Kelch 2003-4-3 03 .373 Contra Costa Martinez - West: Ozol Rock and Scenic Drive West Martinez. 118 Comment
  JEPS111619  Eryngium jepsonii D. G. Kelch 2004-7-9 04 .297 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. Just west of Pt. Costa 60 Comment
  JEPS111628  Daucus pusillus D. G. Kelch 2005-5-1 05 .187 Contra Costa Crockett - Edwards Canyon, near top of canyon. 150 Comment
  JEPS111630  Anthriscus caucalis D. G. Kelch 2005-5-13 05 .261 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  JEPS111661  Lagophylla ramosissima A. G. Murdock 2004-5-28 270 Contra Costa Pinole Peak 205 Comment
  JEPS111698  Logfia gallica D. G. Kelch 2004-4-25 04 .121 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  JEPS111703  Micropus californicus var. californicus D. G. Kelch 2004-4-30 04 .155 Contra Costa Mt. Wanda - Martinez 90 Comment
  JEPS111707  Deinandra corymbosa D. G. Kelch 2004-5-7 04 .179 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  JEPS111720  Centaurea calcitrapa D. G. Kelch 2004-6-19 04 .281 Contra Costa Selby Along railroad tracks west of Carquinez Bridge Crockett (Valona) 20 Comment
  JEPS111729  Pseudognaphalium beneolens D. G. Kelch 2004-7-16 04 .318 Contra Costa Martinez - South Pine St. Entrance to Rte 4 heading west 70 Comment
  JEPS111740  Calendula arvensis D. G. Kelch 2005-3-11 05 .40 Contra Costa McEwen Road Carq. Shoreline EBRP. West of Martinez Highschool. 192 Comment
  JEPS111757  Logfia gallica D. G. Kelch 2005-5-13 05 .238 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  JEPS111766  Triodanis biflora Christopher Thayer 1995-6-5 Contra Costa Pinole Peak 304 Comment
  JEPS111775  Plectritis macrocera D. G. Kelch 2005-3-25 05 .83 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  JEPS111784  Spergularia villosa D. G. Kelch 2004-4-26 04 .141 Contra Costa Point Pinole 1 Comment
  JEPS111790  Silene gallica D. G. Kelch 2005-4-24 05 .168 Contra Costa Franklin Canyon. Collier Hill. West Carbon 60 Comment
  JEPS111826  Nemophila heterophylla D. G. Kelch 2005-5-1 05 .182 Contra Costa Crockett - Edwards Canyon 150 Comment
  JEPS111831  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .96 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 115 Comment
  JEPS111846  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .84 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  JEPS111860  Cardamine californica D. G. Kelch 2004-3-12 04 .23 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 140 Comment
  JEPS111869  Cardamine californica D. G. Kelch 2005-2-28 05 .9 Contra Costa Vaca Canyon Vaca Canyon Alhambra Valley Road Bay Forest road cut with Arbutus 165 Comment
  JEPS111872  Thysanocarpus curvipes D. G. Kelch 2005-3-25 05 .90 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 115 Comment
  JEPS111882  Scirpus americanus A. G. Murdock 2004-6-4 323 Contra Costa Pacheco Marsh 5 Comment
  JEPS111901  Carex praegracilis D. G. Kelch 2005-3-24 05 .64 Contra Costa Point Pinole Southern Pt. Pinole 3 Comment
  JEPS111944  Arbutus menziesii D. G. Kelch 2004-3-12 04 .17 Contra Costa Crockett - West Valona 1 km west of Carquinez bridge. Hill above San Pablo Road 87 Comment
  JEPS111945  Arbutus menziesii D. G. Kelch 2004-9-2 04 .339 Contra Costa Martinez - West: Ozol Rock and Scenic Drive. East of Ozol 30 Comment
  JEPS111979  Geranium dissectum D. G. Kelch 2003-3-21 03 .75 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS111980  Geranium molle D. G. Kelch 2003-3-21 03 .68 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive 40 Comment
  JEPS111994  Plantago major D. G. Kelch 2004-4-24 04 .103 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  JEPS111995  Plantago major D. G. Kelch 2003-8-13 03 .115 Contra Costa Martinez Marsh 1 Comment
  JEPS112003  Platanus racemosa D. G. Kelch 2004-4-25 04 .106 Contra Costa Arroyo del Hambre Along Alhambra Creek in Martinez 74 Comment
  JEPS112018  Eriogonum nudum subsp. nudum Dean G. Kelch and Andrew G. Murdock 2004-5-28 AGM 293 Contra Costa Pinole Peak. Comment
  JEPS112029  Polygonum aviculare subsp. buxiforme Dean G. Kelch and Andrew G. Murdock 2005-3-13 DGK 05 .044 Contra Costa Crockett - weedy area under Zampa Bridge. Comment
  JEPS112038  Calandrinia ciliata D. G. Kelch 2004-3-5 04 .5 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 56 Comment
  JEPS112049  Pellaea andromedifolia D. G. Kelch 2004-4-25 04 .107 Contra Costa Martinez - West: Ozol Rock and Scenic Drive West Martinez on Scenic Dr. at Road Gate 28 Comment
  JEPS112057  Ranunculus muricatus D. G. Kelch 2004-4-24 04 .96 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  JEPS112074  Oemleria cerasiformis D. G. Kelch 2003-2-7 03 .35 Contra Costa Sky Ranch. Dutra Road path ~700-1000 ft. 250 Comment
  JEPS112075  Heteromeles arbutifolia D. G. Kelch 2003-2-7 03 .38 Contra Costa Franklin Canyon 115 Comment
  JEPS112084  Aphanes occidentalis D. G. Kelch 2004-3-12 04 .35 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  JEPS112085  Oemleria cerasiformis D. G. Kelch 2004-3-5 04 .14 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 Comment
  JEPS112090  Rubus ursinus D. G. Kelch 2004-5-7 04 .199 Contra Costa Ca ada del Cierbo 40 Comment
  JEPS112099  Pyracantha crenatoserrata D. G. Kelch 2005-5-13 05 .246 Contra Costa Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  JEPS112104  Galium spurium D. G. Kelch 2003-3-21 03 .76 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS112105  Galium murale D. G. Kelch 2003-4-3 03 .345 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  JEPS112248  Salix lasiolepis A. G. Murdock 2004-2-12 208 Contra Costa Franklin Canyon; Along Franklin Canypn east of McHarry Ranch Road Comment
  JEPS112261  Lithophragma affine A. G. Murdock 2004-4-30 259 Contra Costa Vaca Canyon Comment
  JEPS112333  Medicago sativa Dean G. Kelch and Andrew G. Murdock 2004-5-21 04 .219 Contra Costa Cummings Skyway; County: Contra Coasta; Exit from I-80 to Cummings Skyway. Comment
  JEPS112337  Lotus corniculatus Dean G. Kelch and Andrew G. Murdock 2004-5-7 04 .183 Contra Costa Canada del Cierbo. contra Coasta County, CA. Comment
  JEPS112342  Lathyrus vestitus var. vestitus Dean G. Kelch and Andrew G. Murdock 2004-4-25 04 .120 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; County: contra Costa; Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr. Comment
  JEPS112358  Melilotus albus Dean G. Kelch and Andrew G. Murdock 2004-6-4 313 Contra Costa Pacheco Marsh; County: Contra Costa. Comment
  JEPS112376  Lupinus microcarpus var. densiflorus Dean G. Kelch and Andrew G. Murdock 2003-6-2 88 Contra Costa Crockett - Eckley; County: Contra Costa; East of pier at base of cliff. Comment
  JEPS112392  Acacia dealbata Dean G. Kelch and Andrew G. Murdock 2005-5-13 05 .232 Contra Costa Crockett; County: Contra Costa; West Crockett, below Dead Fish Restaurant along Carquinez Straight. Comment
  JEPS112444  Juncus tenuis D. G. Kelch 2003-4-3 03 .366 Contra Costa Cummings Skyway 115 Comment
  JEPS112445  Juncus effusus var. pacificus D. G. Kelch 2003-8-13 03 .133 Contra Costa Pinole Creek 68 Comment
  JEPS112470  Clinopodium douglasii D. G. Kelch 2005-5-1 05 .184 Contra Costa Crockett - Edwards Canyon 150 Comment
  JEPS112489  Allium neapolitanum D. G. Kelch 2004-4-11 04 .73 Contra Costa Crockett - Crolona Heights Hillside above Rolf Drive. Lower Crolona heights 15 Comment
  JEPS112494  Allium unifolium D. G. Kelch 2005-4-15 05 .133 Contra Costa Rodeo Creek East-West canyon feeding into Rodeo Creek 120 Comment
  JEPS112495  Allium neapolitanum D. G. Kelch 2005-3-24 05 .55 Contra Costa Southern Pt. Pinole 3 Comment
  JEPS112508  Disporum hookeri A. G. Murdock 2003-6-2 83 Contra Costa Franklin Canyon - McHarry Ranch Rd. 137 Comment
  JEPS112513  Linum bienne A. G. Murdock 2004-5-28 310 Contra Costa At west end of Refugio Valley 120 Comment
  JEPS113079  Juncus gerardi Barbara Ertter, Steve Matson 2003-5-31 18175 Contra Costa Martinez Regional Shoreline, brackish marsh along Pickleweed Trail west of Arch Bridge, Comment
  JEPS116860  Plagiobothrys fulvus var. campestris David Gowen 2007-4-13 670 Contra Costa Diablo Foothills, west of the grassy field at Castle Rock Recreation Area. Comment
  JEPS121011  Eryngium armatum D. G. Kelch 2007-4-1 07 .108 Contra Costa Pt. Pinole Comment
  JEPS122392  Calochortus venustus Nisrine Machaka-Houri with Gracie Benson-Martin 2014-5-17 NG 12 Contra Costa Golden Lily Trail, Mitchell Canyon, Mt. Diablo State Park. Comment
  JEPS124460  Arctostaphylos auriculata Daniel Slakey with CNPS Volunteers 2015-6-29 136 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  JEPS124469  Hypericum perforatum subsp. perforatum Daniel Slakey with CNPS Volunteers 2015-7-6 142 Contra Costa Mt. Diablo, Green Ranch Rd. , about 200 meters west of jct. Alder Creek. Comment
  JEPS12619  Deinandra kelloggii Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS127044  Spergularia rubra Lowell Ahart, Josephine Guardino 2016-4-19 20775 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  JEPS127045  Hypochaeris glabra Lowell Ahart, Josephine Guardino 2016-4-19 20765 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  JEPS127094  Sonchus asper subsp. asper Lowell Ahart, Josephine Guardino 2016-4-19 20769 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  JEPS127095  Nemophila menziesii var. menziesii Lowell Ahart, Josephine Guardino 2016-4-19 20797 Contra Costa 2.3 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  JEPS127100  Trifolium hirtum Lowell Ahart, Josephine Guardino 2016-4-19 20759 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  JEPS127235  Stipa pulchra Lowell Ahart, Josephine Guardino 2016-4-19 20793 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  JEPS127671  Parapholis incurva Barbara Ertter with David Gowen and Michael Park 2017-5-2 22801 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  JEPS127733  Ericameria linearifolia H. Forbes, B. Keller 2009-5-29 UCBG 24 Contra Costa Mt. Diablo State Park, along Deer Flat road about 0.16 km beyond Juniper Camp. Comment
  JEPS128149  Dittrichia graveolens Eric Wrubel, Robert Steers 2010-10-1 NPS 1 Contra Costa Joh Muir National Historic Site, Martinez. Mount Wand trailhead. Comment
  JEPS129821  Holcus lanatus Dean G. Kelch 2006-6-23 06 .320 Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Comment
  JEPS13505  Layia gaillardioides Robert F. Hoover 1936-4-16 973 Contra Costa e slope of Bald Peak e of Tilden Regional Park; San Pablo Ridge Comment
  JEPS14520  Plectritis macrocera L. T. Dempster 1956-5-26 1003 Contra Costa above Overhill Court (Orinda); Orinda Comment
  JEPS14826  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Rimo Bacigalupi with L. R. Heckard 1956-7-17 5732 Contra Costa just n Hampton Road summit (on Pinole Creek side of grade from Briones Valley School (not Briones Valley!) to Bear Creek) 220 Comment
  JEPS15165  Castilleja foliolosa R. C. Wilson 1935-3-14 136 Contra Costa Head of Sycamore Creek; Mt. Diablo Quad. 365 Comment
  JEPS15607  Castilleja exserta subsp. exserta R. Bacigalupi and G. Thomas Robbins 1955-5-4 4972 Contra Costa e outskirts Concord (field along Treat Lane, in Clayton Valley); Clayton Valley, Concord 60 Comment
  JEPS1582  Emmenanthe penduliflora W. L. Jepson 1921-5-22 9205 Contra Costa .66 way to summit Mt. Diablo Comment
  JEPS15928  Osmorhiza berteroi W. L. Jepson May 23 1891-May 24 1891 14254 Contra Costa Mt. Diablo Comment
  JEPS16491  Veronica peregrina subsp. xalapensis W. L. Jepson 1940-6-5 19932 Contra Costa Richmond Comment
  JEPS17167  Tropidocarpum capparideum S. Galen Smith and Donald Stone 1957-3-30 2867 Contra Costa 3 mi se Byron (far western end of field just n of the Holey Road); Byron Road 5 Comment
  JEPS19359  Blepharizonia plumosa H. M. Hall 1916-8-17 10275 Contra Costa Los Medanos Region of San Francisco Bay, Suisun Bay Comment
  JEPS19407  Galium porrigens var. porrigens G. Thomas Robbins 1937-4-17 116 Contra Costa near Point Richmond Comment
  JEPS19496  Castilleja exserta subsp. exserta Rimo Bacigalupi 1956-5-11 5640 -B Contra Costa .33 mi e Pinole (between State Hwy 4 and Santa Fe Ry right-of-way, 0.25 mi e of junction with U.S. Hwy 40) 22 Comment
  JEPS21718  Cordylanthus pilosus subsp. pilosus John Thomas Howell 1955-8-24 30902 Contra Costa near Diablo Country Club; Mt. Diablo, S base of Comment
  JEPS21821  Trifolium hirtum A. M. Craig 1958-5-19 Contra Costa e West Contra Costa Junior College (hills); San Pablo 30 Comment
  JEPS21976  Lotus tenuis G. Thomas Robbins 1958-5-24 3837 Contra Costa at corner of S. 28th St. and Hoffman Blvd.; Richmond Comment
  JEPS22791  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee at e end Jersey Island Comment
  JEPS22882  Lupinus arboreus John Weiler with G. T. Robbins 1959-5-23 5991 Contra Costa nw side Brooks Island; San Francisco Bay, nr Richmond, Brooks Island Comment
  JEPS23262  Galium divaricatum G. Thomas Robbins 1959-5-23 4031 Contra Costa hillslope about one-half mi e Point San Pablo (overlooking San Pablo Bay); Richmond 7 Comment
  JEPS23273  Collinsia heterophylla Rimo Bacigalupi with G. T. Robbins 1959-4-24 7043 Contra Costa 0.5 mi n Jct of Hampton Rd and Bear Creek Rd (along Hampton Rd, just n of summit) 228 Comment
  JEPS25015  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa just w Carlson Blvd. (near Stege railroad siding, along Southern Pacific Railroad); Richmond Comment
  JEPS2508 Image available Campanula exigua Volney Rattan 1886-6-14 Contra Costa summit Monte Diablo; Summit of Mt. Diablo Comment
  JEPS25139  Triteleia laxa G. Thomas Robbins 1959-5-16 4009 Contra Costa just n Pt. Orient (on w slope of Potrero Hills, Richmond, overlooking San Francisco Bay); Richmond, Potrero Hills Comment
  JEPS25152  Argyranthemum foeniculaceum G. Thomas Robbins with John Weiler 1959-5-23 4022 Contra Costa nw extension Brooks Island (on breakwater (partly natural, partly man-made)); San Francisco Bay, Richmond Comment
  JEPS25154  Atriplex leucophylla G. Thomas Robbins with John Weiler 1959-5-23 4024 Contra Costa on breakwater northwestern extension Brooks Island (Richmond); San Francisco Bay, , Brooks Island Comment
  JEPS25159  Oenothera elata subsp. hookeri G. Thomas Robbins with John Weiler''G. Thomas Robbins (with John Weiler) 1959-5-23 4030 Contra Costa On low site at the northwest edge of Brooks Island San Francisco Bay, Richmond. 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
  JEPS26391  Malacothamnus fremontii Kittie L. Fenley 1931-5-3 Contra Costa Nortonville Comment
  JEPS2798 Image available Plectritis ciliosa subsp. insignis J. Burtt Davy 1895-4-7 953 Contra Costa foothills Antioch; Antioch, Contra Costa Co. Comment
  JEPS31300  Ericameria linearifolia W. L. Jepson 1921-5-22 9203 Contra Costa summit Mount Diablo 1127 Comment
  JEPS3131  Nemophila menziesii Mary L. Bowerman 1931-3-8 557 Contra Costa w bank Mitchell Canyon, Mount Diablo Mount Diablo, Mitchell Canyon 304 Comment
  JEPS34922  Monolopia major R. F. Hoover 1938-3-25 2899 Contra Costa Lone Tree Valley Comment
  JEPS36212  Microseris douglasii subsp. douglasii W. L. Jepson 1923-4-22 9882 Contra Costa Mt. Diablo Comment
  JEPS37093  Achillea millefolium W. L. Jepson 1922-5-23 9651 Contra Costa Mt. Diablo Comment
  JEPS37364  Quercus agrifolia W. L. Jepson Oct. 1909 3498 Contra Costa Moraga Ridge Comment
  JEPS37435  Senecio sylvaticus W. L. Jepson 1943-4-24 20762 Contra Costa vicinity San Francisco Bay; Oakland Hills, Moraga Ridge Comment
  JEPS37726  Trifolium wormskioldii W. L. Jepson 1922-5-26 9671 Contra Costa North Berkeley Hills Comment
  JEPS37842  Quercus wislizeni W. L. Jepson 1923-6-10 9983 Contra Costa near divide from Clayton (Marsh Creek); Mt. Diablo, Marsh Creek Comment
  JEPS38729  Arctostaphylos glauca W. L. Jepson 1916-10-22 6853 Contra Costa Las Trampas Ridge Comment
  JEPS38920  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1930-6-18 349 Contra Costa Rock City Canyon Mount Diablo Comment
  JEPS40121  Arceuthobium campylopodum Miss Ferguson 1920-1-1 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS40297  Platanus racemosa F. W. Bancroft Oct. 1894 Contra Costa Walnut Creek Comment
  JEPS41051  Madia sativa Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9076 Contra Costa sw of Richmond (on the w side of Brooks Island, in San Francisco Bay); San Francisco Bay, Brooks Island 6 Comment
  JEPS41053  Pentagramma triangularis subsp. triangularis Rimo Bacigalupi and L. R. Heckard 1965-5-11 9078 Contra Costa sw of Richmond Brooks Isl; San Francisco Bay Comment
  JEPS41373  Erigeron philadelphicus var. philadelphicus W. L. Jepson 1922-5-26 9672 Contra Costa North Berkeley Hills Comment
  JEPS42416  Ceanothus oliganthus var. sorediatus W. L. Jepson 1943-4-24 20763 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS42516  Marah fabacea W. L. Jepson 1922-5-11 9648 Contra Costa North Berkeley Hills Comment
  JEPS42936  Forestiera pubescens Mary L. Bowerman 1936-6-20 3414 Contra Costa ridge w Mt. Zion (on w side of ridge); Mount Diablo 198 Comment
  JEPS43231  Lewisia rediviva W. L. Jepson 1921-5-22 9206 Contra Costa a few feet below summit on n side of Mt. Diablo Mt. Diablo 1173 Comment
  JEPS44306  Drymocallis glandulosa var. wrangelliana W. L. Jepson 1923-6-10 9995 Contra Costa Upper Marsh Creek Mt. Diablo, Upper Marsh Creek Comment
  JEPS44361  Camissoniopsis intermedia W. L. Jepson 1921-11-19 9520 Contra Costa Mt. Diablo Comment
  JEPS45672  Rosa gymnocarpa W. L. Jepson 1924-12-6 10669 Contra Costa Pinehurst San Leandro Creek Comment
  JEPS46455  Juglans californica var. hindsii W. L. Jepson 1908-8-16 3087 Contra Costa Walnut Creek Comment
  JEPS46555  Proboscidea lutea W. E. Chatfield 1959-7-25 Contra Costa roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette) 144 Comment
  JEPS46807  Pinus coulteri T. H. Goodspeed 1909-1-1 Contra Costa near Clayton (Mt. Diablo); Mt. Diablo Comment
  JEPS46810  Pinus coulteri W. L. Jepson 1931-4-5 15726 Contra Costa Nortonville Comment
  JEPS46915  Pinus attenuata W. L. Jepson 1923-4-22 9876 Contra Costa Mt. Diablo Comment
  JEPS47876  Pinus coulteri W. L. Jepson 1909-6-25 3115 Contra Costa Mitchell Canyon Mt. Diablo, Mitchell Canyon Comment
  JEPS48863  Ceanothus cuneatus var. cuneatus Elsa Kraeger 1926-3-7 Contra Costa e side Mt. Diablo Comment
  JEPS48958  Luzula macrantha Elsa Kraeger 1926-3-7 Contra Costa South slope Mount Diablo Comment
  JEPS49302  Ribes W. L. Jepson 1923-6-10 9997 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  JEPS50410  Viola purpurea subsp. quercetorum Mary Bowerman 1933-5-12 Contra Costa Mount Diablo Comment
  JEPS51495  Minuartia douglasii W. L. Jepson 1921-5-22 9211 Contra Costa Mt. Diablo; summit, n slope Comment
  JEPS55360  Lathyrus vestitus var. vestitus W. L. Jepson 1922-7-9 9733 Contra Costa El Cerrito, Richmond Comment
  JEPS55365  Lathyrus vestitus var. vestitus H. L. Mason 1931-4-4 Contra Costa se of Mt. Diablo; Upper Marsh Creek Comment
  JEPS55826  Lotus wrangelianus A. M. Ottley 1920-6-5 779 Contra Costa below Moraga Ridge Comment
  JEPS55940  Cordylanthus nidularius T. I. Chuang and L. R. Heckard, R. Bacigalupi 1968-6-27 6436 Contra Costa 3/4 mi ne of Deer Flat (ne flank of Bald Ridge, Mount Diablo); Mount Diablo, Bald Ridge 670 Comment
  JEPS58614  Alnus rhombifolia W. L. Jepson 1901-10-12 Contra Costa Mount Diablo Comment
  JEPS58619  Alnus rhombifolia W. L. Jepson 1899-2-26 Contra Costa Wild Cat Creek Berkeley Hills Comment
  JEPS58626  Alnus rhombifolia F. W. Bancroft 1894-10-1 Contra Costa Walnut Creek Comment
  JEPS5893  Collinsia bartsiifolia var. bartsiifolia Chesnut and Drew 1889-4-16 Contra Costa near Concord Comment
  JEPS62482  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS64865  Lathyrus vestitus var. vestitus W. C. Blasdale 1897-5-1 Contra Costa Point Isabel Comment
  JEPS65906  Trifolium gracilentum var. gracilentum W. L. Jepson 1925-4-26 10688 Contra Costa Black Hills Mt. Diablo Comment
  JEPS66156  Vicia americana var. americana W. L. Jepson May 22 1891-May 23 1891 13638 Contra Costa Mt. Diablo Comment
  JEPS68084  Plagiobothrys nothofulvus W. L. Jepson 1923-4-22 9878 a Contra Costa Mt. Diablo Comment
  JEPS68111  Plagiobothrys nothofulvus Mrs. E. L. Mossman 1931-4-21 139 Contra Costa vicinity Grizzly Peak; Berkeley Hills 472 Comment
  JEPS68926  Epilobium brachycarpum Edward Lee 1934-9-30 1219 Contra Costa just se station (roadside); Moraga Comment
  JEPS68945  Montia fontana Edward Lee 1935-2-10 1273 Contra Costa Wildcat Creek Berkeley, Berkeley Hills Comment
  JEPS68962  Vulpia myuros var. hirsuta Edward Lee 1935-3-10 1294 Contra Costa e of Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  JEPS68964  Erysimum capitatum var. capitatum Edward Lee 1935-3-10 1296 Contra Costa e Antioch (hollow in stablized dune); Antioch Sand Dunes Comment
  JEPS68969  Claytonia exigua subsp. exigua Edward Lee 1935-3-10 1303 Contra Costa Nortonville , Kirker Creek (s watershed Kirker Creek) Comment
  JEPS68971  Dodecatheon clevelandii subsp. patulum Edward Lee 1935-3-10 1305 Contra Costa s watershed of Kirker Creek Nortonville (s watershed of Kirker Creek) (Nortonville) Comment
  JEPS68973  Sinapis arvensis Edward Lee 1972-3-29 1307 Contra Costa 1.6 mi. e. Clayton (n. of Mt. Diablo) Comment
  JEPS7032  Galium andrewsii subsp. gatense Mary L. Bowerman 1930-6-7 283 Contra Costa Meridian Peak summit Mount Diablo Comment
  JEPS70553  Hordeum marinum subsp. gussoneanum W. L. Jepson 1918-6-15 7674 Contra Costa Wild Cat Creek Canyon , Wild Cat Creek Canyon (Berkeley Hills) Comment
  JEPS716  Oenothera deltoides subsp. howellii W. L. Jepson 1945-10-28 27570 Contra Costa Antioch Sand Hills Comment
  JEPS7320  Collinsia heterophylla Mary L. Bowerman 1935-3-16 2739 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 262 Comment
  JEPS73694  Plagiobothrys acanthocarpus L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1763 Contra Costa along Byron-Bethany road about 3 mi se Byron (at junction of Holey Road, between railroad and hwy) 7 Comment
  JEPS75103  Festuca californica W. L. Jepson 1918-6-5 7614 Contra Costa Donner Canyon Mt. Diablo, North Peak 701 Comment
  JEPS75470  Medicago polymorpha P. F. Yorks 1975-5-15 395 -2 Contra Costa on Hampton Rd ca 1.5 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  JEPS75475  Heteromeles arbutifolia P. F. Yorks 1975-7-18 479 Contra Costa ca 1.5 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Preserve (n of Briones Reservoir) 175 Comment
  JEPS75527  Galium porrigens var. porrigens P. F. Yorks 1974-4-6 126 Contra Costa on Hampton Rd ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS75528  Dichelostemma capitatum P. F. Yorks 1976-3-7 116 Contra Costa ca 2 km s Bear Creek Road (on Hampton Road, in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  JEPS75541  Stephanomeria virgata subsp. pleurocarpa P. F. Yorks 1974-8-10 365 Contra Costa ca 1.7 km s Bear Creek Road (n of Briones Reservoir, on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  JEPS75543  Cirsium vulgare P. F. Yorks 1974-8-10 363 Contra Costa ca. 1.8 km. s Bear Creek Road (on Hampton Road in Hampton Road Natural Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS77002 Image available Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-3-17 2132 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail Comment
  JEPS77004 Image available Ribes amarum Robert M. Lloyd 1963-3-17 2133 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail Comment
  JEPS77009  Garrya elliptica Robert M. Lloyd 1963-3-17 2137 Contra Costa across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive, on Skyline Drive, Huckleberry Trail); Skyline Drive, Huckleberry Trail Comment
  JEPS77021  Lupinus albifrons Robert M. Lloyd 1963-3-17 2146 Contra Costa 1 mi s intersection of Grizzly Peak and Skyline on Skyline; on Skyline Comment
  JEPS78104  Dirca occidentalis G. W. Zamzow 1973-2-23 126 Contra Costa Wildcat Canyon East Bay Regional Park Comment
  JEPS78609  Lathyrus jepsonii var. jepsonii Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3301 Contra Costa Browns Island, South Landing Browns Island; , South Landing Comment
  JEPS78621  Polygonum amphibium var. emersum Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3283 Contra Costa Botany Cove Browns Island Comment
  JEPS78824  Lepechinia calycina Edward Lee 1936-5-24 2166 Contra Costa 10 mi from Marsh Creek Road (Morgan Territory); Morgan Territory Comment
  JEPS78895  Leymus X multiflorus Edward Lee 1935-8-13 1616 Contra Costa Vaca Canyon; roadside Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  JEPS79401  Rhamnus californica Edward Lee with C. Belshaw 1935-12-28 1705 Contra Costa near Las Trampas Peak summit; Las Trampas Peak 502 Comment
  JEPS79503  Polypodium calirhiza Edward Lee with C. Belshaw 1935-12-28 1706 Contra Costa Las Trampas Ridge Las Trampas Peak 441 Comment
  JEPS81010  Verbena lasiostachys var. scabrida Edward Lee 1936-12-12 2609 Contra Costa just nw Berkeley Country club Comment
  JEPS84878  Cordylanthus mollis subsp. mollis Terry L. Palmisano August 1987 Contra Costa just w Hastings Slough; Concord Naval Weapons Station property Comment
  JEPS86060  Plantago lanceolata William T. Hirano 1958-4-28 Contra Costa near Inspiration Point (Wildcat Creek Road, San Pablo Ridge e of Berkeley); San Pablo Ridge 304 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
  JEPS87926  Salpichroa origanifolia Barbara Ertter 1991-5-12 9818 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, near parking lot); San Francisco Bay, Point Isabel Regional Shoreline Comment
  JEPS88006  Plagiobothrys acanthocarpus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8117 Contra Costa ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  JEPS88684  Microseris douglasii subsp. tenella Edw. L. Greene March, 1889 Contra Costa Byron Comment
  JEPS88689  Centromadia fitchii John Thomas Howell 30904 Contra Costa near Turtle Rock; Mt. Diablo 259 Comment
  JEPS887  Torilis nodosa W. L. Jepson 1923-4-22 9863 Contra Costa Mt Diablo Comment
  JEPS89200  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond Comment
  JEPS89253  Cicendia quadrangularis J. B. Davy 1900-3-24 6516 Contra Costa Pt. Richmond Comment
  JEPS89719  Helianthella castanea Dean William Taylor 1971-3-28 976 Contra Costa at s. gate to Mt. Diablo State Park 609 Comment
  JEPS89764  Lasthenia ferrisiae Dean William Taylor 1971-3-28 987 Contra Costa along Highway 4 1 mi e of the junction with Byron Highway Byron Highway; along Highway 4 3 Comment
  JEPS89771  Lasthenia gracilis Dean William Taylor 991 Contra Costa along Byron Road (J4) at the junction of Holley Road; Byron Road 15 Comment
  JEPS91399  Lathyrus vestitus var. vestitus Dean W. Taylor 1993-5-2 13420 Contra Costa hillside above Selby Siding, ca. 1 mile W of Carquinez Bridge, near BM 378 106 Comment
  JEPS95193  Cordylanthus mollis subsp. mollis Jake Ruygt 1993-9-3 Contra Costa w of Hastings Slough (Concord Naval Weapons Station) Comment
  JEPS96237  Oenothera curtiflora Barbara Ertter 1991-9-22 10827 Contra Costa sw El Cerrito (Point Isabel Regional Shoreline); Point Isabel Regional Shoreline Comment
  JEPS96257  Quercus wislizeni var. frutescens Dean Kelch 1995-3-14 97 .13 Contra Costa Mount Diablo, Rock City, e Contra Costa County Rock City; Mount Diablo, Rock City 457 Comment
  JEPS96258  Arctostaphylos tomentosa subsp. crustacea Dean Kelch 1995-3-14 97 .14 Contra Costa Rock City Mt. Diablo; e. Contra Costa Co., , Rock City Comment
  JEPS97608  Ribes menziesii R. D. Stone 1981-3-23 345 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) 396 Comment
  JEPS97615  Osmorhiza berteroi R. D. Stone 1981-3-23 350 Contra Costa NE of intersection of Skyline Blvd. and Snake Rd. Huckleberry Trail; Oakland Hills, near Alameda-Contra Costa county line 396 Comment
  JEPS97706  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  JEPS98659  Sanicula tuberosa O. Gomez, L. Schulties and P. Vargas 1996-5-29 43 PV96 Contra Costa trail between Mt. Diablo Peak and North Peak Mt. Diablo State Park Comment
  JEPS99480  Torilis arvensis Mary Bowerman 1975-6-7 Contra Costa Mount Diablo. Big Spring. Comment
  JEPS99493  Agrostis viridis Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, near Chase Pond. Comment
  JEPS99500  Dodecatheon clevelandii subsp. patulum Mary Bowerman 1979-4-3 Contra Costa Mount Diablo. Shell Ridge. Comment
  JEPS99505  Fritillaria liliacea Mary Bowerman 1979-4-3 Contra Costa Mount Diablo, Shell Ridge. Comment
  JEPS99531  Trifolium albopurpureum var. albopurpureum Mary Bowerman 1978-5-4 Contra Costa Mount Diablo, Jim White Trail from Juniper Camp to Deer Flat before saddle. Comment
  JEPS99533  Poa howellii Mary L. Bowerman 1979-5-12 Contra Costa Mount Diablo. Prospector's Gap. Trail to North Peak from Devil's elbow. Between Devil's Pulpit and Aug. 1977 burn. 975 Comment
  JEPS99553  Mentzelia dispersa Mary L. Bowerman 1978-5-26 Contra Costa Mount Diablo. Between lower summit parking lot and road. Comment
  JEPS99567  Elymus elymoides Mary Bowerman 1975-6-7 Contra Costa Mount Diablo, by Big Spring trail. Comment
  JEPS99568  Chamaesyce serpillifolia subsp. serpillifolia Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Chase Pond. Comment
  JEPS99593  Melica torreyana Mary Bowerman 1994-4-17 Contra Costa Mount Diablo, Donner Canyon by fire road near junction 1st trail to Back Canyon. Comment
  JEPS99957  Matricaria discoidea G. Smick 2003-3-27 GAS 91 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99963  Orobanche uniflora G. Smick 2003-4-8 GAS 128 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99972  Anagallis arvensis G. Smick 2003-5-6 GAS 165 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99974  Ranunculus californicus S. O'Neil 2003-2-18 SEO 3 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99979  Prunus cerasifera G. Smick 2003-5-1 GAS 161 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99986  Lolium multiflorum S. O'Neil 2003-3-11 SEO 17 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99997  Genista monspessulana G. Smick 2003-5-30 GAS 210 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99998  Quercus lobata G. Smick 2003-2-18 GAS 64 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  LA203655  Grindelia camporum Lewis S. Rose; 1930-7-22 sn Contra Costa Antioch Bridge Comment
  LA33017  Sanicula saxatilis Lincoln Constance; T. Morley, Ren Hwa. Shan, W. H. Wagner 1946-4-26 3036 Topotype Contra Costa Mount Diablo, summit SW of lookout 1158 Comment
  OBI11669  Plantago elongata Robert F. Hoover 1967-4-28 10516 a Contra Costa Byron Hot Springs Comment
  OBI12566  Limnanthes douglasii subsp. rosea Robert F. Hoover 1936-3-19 809 Contra Costa Byron Hot Springs Comment
  OBI48705  Downingia ornatissima Lewis S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 Comment
  OBI59407  Lupinus microcarpus var. densiflorus Barbara Ertter, Elizabeth Neese 1988-4-24 7450 Contra Costa Black Diamond Mines Regional Preserve SW of Antioch, N of E-W part of Black Diamond Trl Comment
  OBI62809  Aesculus californica John Osborne 1970-11-21 11 Contra Costa 3173 Somerset Dr., Lafayette 76 Comment
  OBI70524  Danthonia californica D. G. Kelch 2002-5-24 2 .02 Contra Costa On hill S of San Pablo Rd ~.4 mi W of Carquinez Bridge. Crockett 91 Comment
  OBI70547  Sisymbrium orientale D. G. Kelch 2008-3-30 8 .027 Contra Costa Carquinez Strait: Crockets under Zampa (Carquinez) bridge 14 Comment
  OBI70557  Sanicula bipinnata D. G. Kelch 2007-3-24 7 .088 Contra Costa Ozol; between Port Costa and Martinez, near old brick quarry Comment
  OBI75132  Symphoricarpos mollis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .084 Contra Costa Alvarado Park (W end of Wildcat Canyon Park) 122 Comment
  OBI78484  Dirca occidentalis H. E. McMinn 1925-3-30 1402 Contra Costa Near summit Thornhill Rd and Skyline blvd Comment
  PASA293  Plectritis ciliosa Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  POM11961  Caulanthus lasiophyllus var. rigidus Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  POM11966  Lasthenia ferrisiae Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  POM136472  Ceanothus cuneatus H. P. Chandler 1901-4-5 977 Contra Costa Mt. Diablo Comment
  POM14647  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch. Comment
  POM15363  Orthocarpus purpurascens H. P. Chandler 1901-3-22 849 Contra Costa Martinez. Comment
  POM16711  Pickeringia montana var. montana A. D. E. Elmer 1903-05 4315 Contra Costa Mount Diablo Comment
  POM181150  Ribes californicum J. T. Howell 1931-2-21 5730 Contra Costa Mt. Diablo. Comment
  POM181428  Sonchus oleraceus I. L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island. Comment
  POM181441  Baccharis salicifolia I. L. Wiggins 1930-4-18 4600 Contra Costa Levee bank, near ferry, Jersey Island Comment
  POM202804  Thysanocarpus curvipes var. curvipes L. S. Rose 1933-4-17 33096 Contra Costa Antioch Comment
  POM203166  Garrya fremontii L. S. Rose 1934-2-28 34041 Contra Costa Summit of Mt. Diablo. Comment
  POM268449  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6272 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  POM286644  Viola pedunculata Lyman D. Benson 1935-3-16 6270 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  POM287829  Lomatium macrocarpum Lyman Benson 1935-3-16 6264 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  POM300628  Poa secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Alder Canyon 732 Comment
  POM300675  Bromus madritensis Mary L. Bowerman 1935-5-22 3037 Contra Costa Eagle Point Ridge, canyon at north end heads into saddle west of Twin Peaks: Open stand of Pinus coulteri. 305 Comment
  POM31983  Camissonia micrantha C. F. Baker 1903-4-25 2808 Contra Costa Antioch. Comment
  POM31985  Camissonia contorta C. F. Baker 1903-4-25 2824 Contra Costa Antioch. Comment
  POM31989  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa Antioch Comment
  POM32378  Boisduvalia glabella Katherine Brandegee 1905-6-16 s.n. Contra Costa Antioch Comment
  POM32521  Clarkia concinna subsp. concinna A. D. E. Elmer 1903-05 4336 Contra Costa Mount Diablo. Comment
  POM32526  Epilobium canum subsp. canum A. D. E. Elmer 1903-07 4620 Contra Costa Mount Diablo Comment
  POM32717  Oenothera deltoides subsp. howellii C. F. Baker 1903-4-25 2873 Contra Costa Antioch. Comment
  POM52002  Helianthella castanea H. M. Hall 1916-5-31 10137 Contra Costa Mount Diablo, north slope of summit 1159 Comment
  POM53854  Madia sativa L. R. Abrams 1916-7-1 5734 Contra Costa Martinez Comment
  RSA0025334  Oemleria cerasiformis James R. Shevock 2012-8-12 40657 Contra Costa Tilden Regional Park, East Bay Regional Park District. Along Grizzly Peak Trail about midway between the upper and lower trailheads. 448 Comment
  RSA0033773  Lupinus microcarpus Barbara Ertter, Christopher Baysdorfer 1998-5-10 16120 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side. Comment
  RSA0033848  Hordeum depressum Barbara Ertter, Brad Olson 2000-6-2 17304 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  RSA0036101  Arctostaphylos auriculata Lewis S. Rose 1949-3-6 49004 Contra Costa Mt. Diablo, above Rock City. 518 Comment
  RSA102133  Erysimum capitatum var. angustatum G. B. Rossbach 1955-3-13 570 Contra Costa Along tidal estuary of San Joaquin River just E of Antioch 24 Comment
  RSA121965  Arctostaphylos andersonii var. pallida B. O. Schreiber 1938-9-18 2548 Contra Costa 0.5 miles south southwest of Round Top. 335 Comment
  RSA128906  Oemleria cerasiformis Peter H. Raven 1950-3-5 1409 Contra Costa Happy Valley Road, 2.8 miles above intersection with Upper Happy Valley road. 244 Comment
  RSA14970  Allium falcifolium L. S. Rose 1935-5-16 35164 Contra Costa Mt. Diablo. Comment
  RSA15448  Achyrachaena mollis Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Nortonville. Comment
  RSA181360  Croton californicus James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  RSA21875  Arctostaphylos andersonii var. pallida Joseph A. Ewan 1934-1-7 8162 Contra Costa Head of San Leandro Creek above Oakland. Comment
  RSA244714  Frankenia salina J. T. Howell, G. H. True 1972-6-29 48919 Contra Costa On Byron Hot Springs Road SE of Byron. Comment
  RSA252149  Arctostaphylos auriculata G. D. Wallace 1974-12-26 1372 Contra Costa Mount Diablo St. Pk. off Summit Dr. along a ridge E of Curry Point; SE of Balancing Rock. 530 Comment
  RSA262369  Malacothamnus hallii Don C. Elfving 1964-4-26 62 Contra Costa North Gate Road, 3 miles from base of Mt. Diablo Comment
  RSA293441  Atriplex joaquinana Reino Alava 1958-6-6 2138 Contra Costa 3 miles south of Byron, between the highway south and the railroad track Comment
  RSA351522  Centaurea solstitialis B. C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  RSA367058  Allium amplectens Mark Morris 1929-03 14928 Contra Costa Mt. Diablo. Comment
  RSA401059  Aesculus californica Thekla Mohr 1917-07 3153 Contra Costa Mount Diablo Comment
  RSA469286  Claytonia perfoliata Mark Morris 14913 Contra Costa Mt. Diablo. Comment
  RSA469883  Navarretia pubescens Thekla Mohr 1917-07 3155 Contra Costa Mount Diablo Comment
  RSA610758  Oemleria cerasiformis Joseph A. Ewan 1935-3-2 9081 Contra Costa wildcat canyon. Comment
  RSA632813  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27589 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA66600  Streptanthus hispidus Annetta Carter 1935-6-1 880 Contra Costa NW slope of Mount Diablo near summit; 1067 Comment
  RSA70452  Allium falcifolium L. S. Rose 1935-5-16 35164 Contra Costa Mt. Diablo. Comment
  RSA710326  Calystegia sepium subsp. limnophila R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19792 Contra Costa Antioch, by marina. Comment
  RSA720790  Crypsis schoenoides Barbara Ertter, Mary L. Bowerman, Lisa Schultheis, Kevin Hintsa 1995-10-22 14532 Contra Costa Three Spring Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. Comment
  RSA721532  Phalaris aquatica Mary L. Bowerman 1994-6-4 s.n. Contra Costa Mount Diablo; at E end of Castle Rock Park, perhaps just outside park. Comment
  RSA729909  Cotoneaster pannosus Peter F. Zika, B. Ertter 2007-5-11 22967 Contra Costa Near Arlington Boulevard and Brewster Drive, city of El Cerrito (SnFrB = San Francisco Bay Area) 210 Comment
  RSA74085  Atriplex joaquinana Milo S. Baker 1946-4-20 11329 Contra Costa Near Concord Comment
  RSA74803  Phacelia phacelioides Mary L. Bowerman 1933-4-26 1923 Contra Costa Mount Diablo, east flank of North Peak 610 Comment
  RSA755793  Pholistoma membranaceum Barbara Ertter 1992-3-8 10909 Contra Costa NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca. 1/2 mile west of junction of Stewartville Trail and Frederickson Lane. Comment
  RSA756868  Hordeum marinum subsp. gussoneanum Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8140 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  RSA762301  Lolium perenne subsp. multiflorum William J. Ferlatte, L. M. Moe 1970-4-27 1221 Contra Costa San Francisco Bay, Red Rock Island. Comment
  SBBG122783  Elodea canadensis B. Ertter, B. Olson 1991-9-28 10841 Contra Costa S end of San Pablo Reservoir, between Orinda and El Sobrante 91 Comment
  SBBG21359  Heteromeles arbutifolia V. Haraden 1941-7-18 12 Contra Costa near Nortonville 121 Comment
  SBBG2605  Thysanocarpus curvipes J. M. Tucker 1946-3-24 1388 Contra Costa hills between Nortonville and Somersville Comment
  SBBG28215  Cryptantha flaccida L. Constance, C. W. Sharsmith with H. S. Reed 1940-4-27 2573 Contra Costa Pine Cyn, base of Mt Diablo 304 Comment
  SBBG29986  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa hills E of St Mary's College Comment
  SBBG33408  Antirrhinum vexillocalyculatum A. D. E. Elmer -Jun-1903 4809 Contra Costa Mount Diablo Comment
  SBBG33410  Calochortus pulchellus A. D. E. Elmer -Jun-1903 4631 Contra Costa Mount Diablo Comment
  SBBG363  Sequoia sempervirens J. M. Tucker 1946-3-14 1377 Contra Costa ca. 200 yds S of summit of Redwood Peak Comment
  SBBG44745  Heracleum maximum Leota Davidson 1966-5-2 417 Contra Costa Hwy 24 near Walnut Crk turn-off Comment
  SBBG44960  Erigeron petrophilus J. A. Ewan 1936-7-5 9735 Contra Costa Wildcat Crk Comment
  SBBG44987  Poa annua A. Eastwood, J. T. Howell 1936-4-19 Contra Costa Antioch Comment
  SBBG50848  Arbutus menziesii A. Hartman 1960-4-19 9 D Contra Costa North Gate Rd, Mt Diablo St Park 609 Comment
  SBBG5572  Vaccinium ovatum J. M. Tucker 1946-3-14 1376 Contra Costa 150 yards S of summit of Redwood Peak Comment
  SBBG5610  Dodecatheon clevelandii subsp. patulum J. M. Tucker 1946-3-24 1384 Contra Costa hills between Nortonville and Somersville Comment
  SBBG92947  Quercus kelloggii W. D. Dress 1951-3-16 Contra Costa NE side of San Pablo Ridge, about 1 mi N of Orinda Comment
  SD107683  Vicia villosa Walter Knight 1980-4-17 3718 Contra Costa Tilden Regional Park, intersection of Central Park Drive & Canon Drive on roadbank Comment
  SD175778  Cyperus difformis D. G. Kelch 2006-9-15 06 474 Contra Costa Shell Ave., Martinez, between Pine St. and Harborview Dr. 56 Comment
  SD175848  Stuckenia pectinata D. G. Kelch 2006-9-11 06 471 Contra Costa Crockett Hills East Bay Regional Park. Near old barn and parking lot. 60 Comment
  SD45086  Acacia verticillata W. W. Jones 1927-6-2 Contra Costa Crockett Comment
  SEINET11261292  Jaumea carnosa Barbara Ertter, Elizabeth Neese 1988-10-15 7975 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue.; 0 Comment
  SEINET12479829  Amsinckia intermedia R. R. Halse 1988-2-20 3541 Contra Costa Along State Hwy 4, near its junction with Balfour Road, S edge of Brentwood. 23 Comment
  SEINET184154 Image available Bromus diandrus Annetta Carter 1936-4-19 1128 Contra Costa Near summit of Red Rock island, San Francisco Bay. Comment
  SEINET186056 Image available Koeleria macrantha V. E. Long 1933-6-14 223 a Contra Costa Mt. Diablo 457 Comment
  SEINET196591  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club. Comment
  SEINET242634 Image available Achnatherum thurberianum M. E. Barkworth, S. W. L. Jacobs; Betty Jacobs 2003-4-7 2003 /4 Contra Costa Tilden Regional Park, east of Berkeley Comment
  SEINET257715 Image available Festuca rubra M. Barkworth, D Amme 1989-6-15 5168 Contra Costa Bluffs back of beach just N of Castro Point Comment
  SEINET3159684  Mimulus latidens L. S. Rose 1940-4-11 40184 Contra Costa 3 miles W of Byron. 30 Comment
  SEINET3195242 Image available Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa Creek bank, Moraga Valley, 2.5 miles north of Moraga 180 Comment
  SEINET3387003 Image available Hemizonia heermannii Lewis S. Rose 1933-10-22 33387 Contra Costa Wildcat Canyon. Comment
  SEINET3559576 Image available Fritillaria lanceolata Lewis S. Rose 1934-3-7 34047 Contra Costa Mount Diablo. Comment
  SEINET4182779 Image available Hordeum marinum subsp. gussoneanum Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8140 Contra Costa Alkali sink West and adjacent Clifton Court Forebay, circa 15 air miles Southwest of Stockton 0 Comment
  SEINET5624176 Image available Myosotis sylvatica Betsey Northman 1961-1 36 Contra Costa Berkeley Hills, U.C. property; Dirt road leading N. toward Strawberry Canyon area 91 Comment
  SEINET5782138 Image available Holocarpha heermannii L. S. Rose 1941-10-13 41465 Contra Costa 1 mi E of Walnut Creek Comment
  SEINET6738507 Image available Agoseris heterophylla H. P. Chandler 1901-4-5 976 A Contra Costa Mt. Diablo Comment
  SEINET7085235  Pavonia hastata Steven R. Hill 2010-7-19 38544 Contra Costa Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83. 122 Comment
  SEINET7096740  Trifolium willdenovii A. G. Vestal 1955-4-1 3586 Contra Costa Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees) Comment
  SJSU1345  Pinus muricata A. W. Jacobs 1953-4-26 Contra Costa Tilden Regional Park Botanic Garden, E of Berkeley Comment
  SJSU5109  Bidens laevis M. Bruck 1960-10-30 48 Contra Costa SW end of Winter Island, New York Slough, confluence of Sacramento & San Joaquin Rivers near Antioch Comment
  SJSU7862  Ribes malvaceum J. A. Merriman 1965-2-13 Contra Costa North Rd, Mt Diablo Comment
  UC10106 Image available Boechera breweri subsp. breweri W. H. Brewer 1862-5-14 1086 Contra Costa Summit of Mount Diablo Mount Diablo Comment
  UC101457  Plagiobothrys canescens Katharine Brandegee May 1907 Contra Costa Antioch Station S.P.R.R. Antioch Comment
  UC101592  Platystemon californicus Katharine Brandegee 1907-5-5 c Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC1024732  Deschampsia danthonioides Leo Whitney 1935-4-21 3057 Contra Costa 4 mi. e. Corral Hollow Comment
  UC1034739  Erysimum capitatum G. B. Rossbach 1955-3-20 571 Contra Costa steep upper s slope Mount Diablo 1005 Comment
  UC103726  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC1039525  Cephalanthus occidentalis var. californicus H. L. Mason 1929-9-21 5447 Contra Costa 1 mi from Borden Highway junction with road to Antioch Comment
  UC1042345  Grindelia hirsutula Lewis S. Rose 1954-9-27 54116 Contra Costa Byron 6 Comment
  UC1046583  Achyrachaena mollis Alex D. Hawkes and R. Bacigalupi 1951-4-12 4775 Contra Costa meadow near Walnut Creek Comment
  UC1050013  Lonicera korolkowii N. Floy Bracelin 1941-8-3 2688 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050211  Clematis flammula N. Floy Bracelin 1941-10-13 1703 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050510  Echium fastuosum N. Floy Bracelin 1941-4-20 1215 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050725  Abelia triflora N. Floy Bracelin 1941-5-16 1126 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050752  Calceolaria integrifolia N. Floy Bracelin 1942-6-28 2166 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050778  Hebe laevis N. Floy Bracelin 1943-6-6 2147 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1050822  Castilleja affinis N. Floy Bracelin 1941-6-1 1350 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050835  Nicotiana sylvestris N. Floy Bracelin 1941-5-25 1335 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051000  Lycium chinense var. inerme N. Floy Bracelin 1943-9-26 2607 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051053  Viburnum japonicum N. Floy Bracelin 1942-10-4 2334 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051312  Mimulus aurantiacus N. Floy Bracelin 1941-6-22 1415 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1051326  Clematis jackmanii N. Floy Bracelin 1941-6-15 1401 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051490  Linanthus liniflorus Herbert L. Mason 1952-4-14 14265 Contra Costa 3.5 mi s Byron Comment
  UC10540  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa Antioch; ; Type locality of Cheiranthus angustatus Greene 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
  UC1070938  Ceanothus cuneatus var. cuneatus H. S. Yates 1936-3-14 5363 Contra Costa 2.5 mi sw Round Valley; Mt. Diablo quad 457 Comment
  UC107571  Phacelia imbricata subsp. imbricata K. Brandegee June 1883 Contra Costa Antioch Comment
  UC1084390  Plagiobothrys bracteatus G. Thomas Robbins 1937-4-25 149 Contra Costa 2 mi e Alamo Comment
  UC1084426  Dirca occidentalis G. Thomas Robbins 1940-3-10 274 Contra Costa n slope Grizzly Peak; Berkeley Hills Comment
  UC1085269  Euphorbia oblongata Rimo Bacigalupi with G. T. Robbins 1956-5-11 5641 Contra Costa 0.25 mi nw (above) Glen Frazer Station (on Santa Fe Railway, along roadside in Franklin Canyon); Franklin Canyon 106 Comment
  UC1087494  Euphorbia oblongata T. C. Fuller 1958-7-30 Contra Costa 3 mi w of Martinez (State Highway 4); State Highway 4 Comment
  UC10875  Streptanthus glandulosus subsp. glandulosus Geological Survey 1862-6-16 1268 Contra Costa Mt. Diablo range 975 Comment
  UC1088544  Lithophragma heterophyllum John H. Weiler 1959-1 5944 Contra Costa along Bear Creek Road Comment
  UC1093922  Alnus rhombifolia Herbert L. Mason 1924-11-23 1159 Contra Costa Las Trampas Ridge; via Cashion Comment
  UC1094040  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa sand hills, Antioch Antioch 15 Comment
  UC1100419  Pleuropogon californicus Peter Kamb, Francia Chisaki, Galen Smith 1951-4-14 1978 Contra Costa 7 mi n of Walnut Creek (0.2 mi s of junction of highways 4 and 21) Comment
  UC1103439  Trifolium depauperatum var. hydrophilum J. P. Tracy 1900-3-24 629 Contra Costa near Stege 3 Comment
  UC1106202  Nemophila heterophylla Peter H. Raven 1950-3-12 1426 Contra Costa Happy Valley Road .9 mi above junction with Upper Happy Valley Road; Happy Valley Road 243 Comment
  UC1111009  Androsace elongata subsp. acuta Herbert L. Mason 1928-3-4 4166 Contra Costa Shell Ridge Comment
  UC1118576  Grindelia hirsutula G. T. Nordstrom 1937-10-28 1408 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  UC1120128  Arctostaphylos tomentosa subsp. crustacea Beryl Schreiber 1938-9-18 2549 Contra Costa 0.5 mi ssw Round Top; Concord Quadrangle 335 Comment
  UC1120143  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1588 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC1120326  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1938-10-27 454 Contra Costa head of Sycamore Creek Mount Diablo Quadrangle Comment
  UC1120860  Arctostaphylos auriculata H. A. Jensen 1938-10-27 456 Contra Costa head of Sycamore Creek Mt. Diablo Quadrangle Comment
  UC1122354  Clarkia affinis C. M. Belshaw 1936-5-13 2114 Contra Costa 3.7 mi ene Tassajero (plot 31); Mt. Diablo Quadrangle Comment
  UC1122359  Clarkia affinis C. M. Belshaw 1936-5-9 2075 Contra Costa 2 1/4 mi e Clayton (plot 10); Mt. Diablo Quadrangle Comment
  UC1122560  Epilobium ciliatum subsp. ciliatum H. S. Yates 1934-9-2 4074 Contra Costa 1 1/2 mi nw Orinda; Concord Quadrangle Comment
  UC1122829  Marah fabacea R. W. Lundh 1933-3-15 214 Contra Costa Vaca Canyon Concord Quadrangle Comment
  UC1123182  Sanicula bipinnatifida C. M. Belshaw 1936-5-12 2107 Contra Costa 5 mi s of Round Valley 487 Comment
  UC1125028  Solanum umbelliferum R. C. Wilson 1935-3-13 126 Contra Costa 2 mi w of Cave Point 502 Comment
  UC1125464  Agoseris grandiflora var. grandiflora C. M. Belshaw 1936-5-12 2102 Contra Costa 2 mi ese of Mt. Diablo; Mt. Diablo Quadrangle 335 Comment
  UC11259  Sedum spathulifolium W. H. Brewer 1861-9-25 842 Contra Costa summit of Monte Diablo Comment
  UC1126325  Umbellularia californica H. S. Yates 1936-3-14 5362 Contra Costa Marsh Creek 381 Comment
  UC1126829  Sinapis arvensis C. M. Belshaw 1936-5-13 2120 Contra Costa se of Deer Valley Deer Valley 91 Comment
  UC1128479  Prunus virginiana var. demissa R. W. Lundh 1932-9-3 158 Contra Costa 1 mi n of North Peak 609 Comment
  UC1128498  Prunus subcordata R. W. Lundh 1932-9-3 157 Contra Costa 1 mi n of North Peak 609 Comment
  UC112946  Madia radiata Mrs. K. Brandegee 1908-4-9 50 Contra Costa near Antioch Comment
  UC1131074  Bromus hordeaceus C. M. Belshaw 1936-5-7 2047 Contra Costa 2 mi s of San Ramon 274 Comment
  UC1132436  Phalaris minor C. M. Belshaw 1936-5-11 2099 Contra Costa 2 1/2 mi ese Danville (Plot 19); Mt. Diablo Quadrangle Comment
  UC1135462  Quercus douglasii C. M. Belshaw 1936-5-15 2133 Contra Costa Long Valley Mt. Diablo Quad. 228 Comment
  UC1135564  Quercus durata R. C. Wilson 1935-3-29 164 Contra Costa 1 mi w Deer Flat; Mount Diablo 685 Comment
  UC1135852  Quercus wislizeni R. C. Wilson 1935-3-13 127 Contra Costa 1.5 mi w Cave Pt.; Mt. Diablo Quad. 563 Comment
  UC1135854  Quercus wislizeni R. C. Wilson 1935-3-28 154 Contra Costa Top of Mt. Diablo Mt. Diablo Quad. 1158 Comment
  UC1143107  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (Plot 38); Mt. Diablo Quadrangle Comment
  UC1153843  Melica imperfecta Beecher Crampton 1956-5-14 3405 Contra Costa s boundary Mt. Diablo State Park Comment
  UC1157922  Lepidium nitidum Olive Dyer 1937-3-6 214 Contra Costa upper end Wildcat Canyon Comment
  UC11654  Ribes menziesii Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UC116547  Allenrolfea occidentalis K. Brandegee 1885-1 Contra Costa near Antioch Antioch Comment
  UC1178245  Amsinckia menziesii var. menziesii Francia Chisaki and R. Bacigalupi 1957-3-27 911 Contra Costa 1.5 mi e of Antioch City limits (just e of Kaiser Gypsum Plant along Wilbur Avenue) Comment
  UC118266  Ranunculus canus var. canus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC1189259  Downingia insignis John R. Swanson 1958-4-15 236 Contra Costa 3 mi s Byron (at junction of Holey road) Comment
  UC1192064  Verbena hastata Malcolm A. Nobs and S. Galen Smith 1949-7-8 942 Contra Costa 4 mi n Kingston (Otto's Black Bass Resort); Otto's Black Bass Resort Comment
  UC1197000  Clarkia biloba Joseph P. Tracy 1935-7-6 14038 Contra Costa 4 mi sw Martinez; Vaca Canyon 152 Comment
  UC1197429  Medicago polymorpha Joseph P. Tracy 1934-4-30 13190 Contra Costa between Lafayette and Moraga 152 Comment
  UC119762  Calochortus pulchellus Carl Purdy 1899-5-15 Contra Costa Mount Diablo Comment
  UC1197942  Juglans californica var. hindsii Joseph P. Tracy 1934-4-30 13186 Contra Costa near Lafayette; North Coast Ranges 152 Comment
  UC1205990  Juglans californica var. hindsii Joseph P. Tracy 1933-12-1 13130 Contra Costa along creek between Lafayette and Moraga Comment
  UC12129  Cercocarpus betuloides var. betuloides W. H. Brewer 1862-5-14 1089 Contra Costa Mount Diablo, summit Mount Diablo Comment
  UC12242  Fragaria vesca W. H. Brewer 1862-5-23 1145 Contra Costa se of Mount Diablo 609 Comment
  UC1229891  Eriogonum nudum var. psychicola Jerry Powell 1962-8-19 308 Contra Costa about 2 mi e Antioch Comment
  UC1238003  Suaeda moquinii John H. Weiler 1961-4-9 6173 Contra Costa 3 mi s Byron (e side of road) Comment
  UC125904  Eschscholzia californica Katharine Brandegee 1908-6-16 4 Contra Costa 5 mi s Antioch Comment
  UC126026  Eriodictyon californicum Katharine Brandegee June, 1908 Contra Costa Antioch Comment
  UC126849  Deinandra kelloggii Mrs. K. Brandegee 1907-5-5 19 Contra Costa near Antioch Comment
  UC1279947  Clarkia rubicunda Peter H. Raven 1957-7-5 11049 Contra Costa 0.2 mi from tip Point Richmond 106 Comment
  UC1300838  Lithophragma heterophyllum Helen K. Sharsmith 1963-3-3 5193 Contra Costa near Moraga (Las Trampas Canyon E of St. Mary's College) 259 Comment
  UC1300886  Lupinus bicolor Helen K. Sharsmith 1963-4-7 5292 Contra Costa near Oakley (s of Antioch); , near Oakley 15 Comment
  UC1300913  Disporum hookeri Helen K. Sharsmith 1963-3-3 5184 Contra Costa e of St. Mary's College near Moraga (Las Trampas Canyon); San Francisco Bay Region, Las Trampas Canyon 259 Comment
  UC1300961  Calandrinia ciliata Helen K. Sharsmith 1962-4-7 4920 Contra Costa Appian Way near El Sobrante 121 Comment
  UC1300963  Claytonia perfoliata subsp. perfoliata Helen K. Sharsmith 1962-3-25 4910 Contra Costa hills between Happy Valley and Alhambra Valley; San Francisco Bay Region 304 Comment
  UC1300986  Ranunculus californicus Helen K. Sharsmith 1962-3-25 4912 Contra Costa hills between Happy Valley and Alhambra Valley; San Francisco Bay Region 304 Comment
  UC1301065  Lasthenia gracilis Helen K. Sharsmith 1963-4-7 5290 Contra Costa e side Kirker Pass Road (w of Antioch); San Francisco Bay Region 152 Comment
  UC1328158  Rumex pulcher Olive Dyer 1936-10-18 100 Contra Costa about 0.5 mi below junction Wildcat Creek and Wildcat-Orinda road; Wildcat Canyon Comment
  UC1332423  Holocarpha heermannii P. B. Dickey 1932-9-14 164 Contra Costa Walnut Creek Comment
  UC133354  Malacothrix floccifera C. F. Baker 1903-4-28 2948 Contra Costa Marsh Creek Mount Diablo Comment
  UC134012  Gilia capitata subsp. staminea C. F. Baker 1903-4-25 2805 Contra Costa Antioch Comment
  UC1357615  Holocarpha obconica R. F. Hoover 1965-9-24 9649 Contra Costa foothills w Byron (between Kellogg and Marsh Creeks) Comment
  UC1364378  Trillium chloropetalum J. D. Freeman with R. F. Freeman 1967-5-2 570 Contra Costa 2 mi. s.w Moraga (1 mi. s. of Canyon P.O.) Comment
  UC141712  Asclepias californica C. F. Baker 1903-4-28 2871 Contra Costa Marsh Creek Mt. Diablo Comment
  UC14397  Tropidocarpum gracile Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC144  Pinus attenuata J. B. Davy 1897-1-1 Contra Costa Moraga Comment
  UC144408  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 2816 Contra Costa Mitchell's Canyon; Mt. Diablo Comment
  UC147173  Trifolium depauperatum var. truncatum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC1481547  Clarkia rubicunda Neil Havlik 1980-6-6 942 Contra Costa Several colonies on Brooks Island Comment
  UC1543102  Ericameria linearifolia Donald G. Nelson 1937-4-24 520 a Contra Costa on March Creek Road in rolling hill country n of Byron (edge of gravely soil pit evidently dug out of former bank of stream, open sunny area) Comment
  UC1543176  Lasthenia minor Donald G. Nelson 1937-3-30 470 Contra Costa s of Byron (railroad tracks, paralleling the highway, on road to Tracy) Comment
  UC1550280  Holocarpha macradenia Dean Kelch 1988-8-8 Contra Costa immediately s I-80 (ca 1/2 mi w of Appian Way); Pinole Comment
  UC1555366  Geranium dissectum Jerry Powell 1988-5-18 1532 Contra Costa w Richmond Point Molate Comment
  UC1563655  Lepidium nitidum var. oreganum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8123 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.); se Contra Costa Co. Comment
  UC1563700  Psilocarphus brevissimus var. brevissimus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8143 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.) Comment
  UC1563731  Callitriche longipedunculata Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8144 Contra Costa West and adjacent Clifton Court Forebay, ca. 15 air miles SW od Stockton. SE Contra Costa County. Comment
  UC1563902  Lepidium nitidum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8123 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.); se Contra Costa Co. Comment
  UC1584658  Juncus occidentalis Jerry Powell 1989-3-26 1560 Contra Costa Point Molate Comment
  UC1584663  Conyza canadensis Jerry Powell 1990-8-29 1586 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584697  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584826  Pseudognaphalium thermale Jerry Powell Jul 14 1987-Jul 30 1987 1505 Contra Costa Point Molate Beach Point Molate Beach (chaparral and grassy meadow on bluffs above Bay edge) Comment
  UC1584840  Heterotheca grandiflora Jerry Powell 1990-3-9 1574 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584862  Epilobium ciliatum subsp. ciliatum Jerry Powell 1987-11-1 1509 Contra Costa Point Molate Richmond Comment
  UC1594187  Symphyotrichum subspicatum Jerry Powell 1992-5-20 1646 Contra Costa Richmond Field Station Comment
  UC1602386  Linanthus ambiguus Mary L. Bowerman 1934-3-18 2481 Contra Costa w of Russelman Park (on the edge of Donner Canyon); Mount Diablo, Donner Canyon 381 Comment
  UC1606299  Ranunculus aquatilis var. capillaceus Barbara Ertter with Lynne Hosley and Sid Cowles 1992-6-7 11085 Contra Costa pond in quarry e Round Top; Oakland Hills, Sibley Volcanic Regional Preserve Comment
  UC1606337  Eleocharis acicularis Barbara Ertter, Brad Olson 1991-9-28 10832 Contra Costa S end of San Pablo Reservoir between Orinda and El Sobrante Comment
  UC1606338  Solanum americanum Barbara Ertter, Brad Olson 1991-9-28 10845 Contra Costa between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir 94 Comment
  UC1606361  Lepidium latifolium Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10717 Contra Costa n of Pittsburg (w-most point opposite Pittsburg marina, near confluence of Sacramento and San Joaquin rivers); Browns Island Comment
  UC1606421  Grindelia hirsutula Barbara Ertter 1993-5-9 11719 Contra Costa near Brickyard Landing (bluffs at end of Garan Road, sw corner of Point Richmond); Point Richmond Comment
  UC1607510  Cressa truxillensis Barbara Ertter with CNPS members 1992-1-19 10895 Contra Costa n.w. corner Concord Naval Weapons Station (Hastings Slough); Hastings Slough Comment
  UC1607604  Atriplex triangularis Barbara Ertter with Elizabeth Neese 1988-10-15 7979 Contra Costa in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh) Comment
  UC1607647  Lupinus albifrons var. albifrons Barbara Ertter 1993-4-2 11474 Contra Costa along railroad w Crockett (base of n-facing bluffs at w end of Carquines Strait, San Pablo Bay); San Pablo Bay, w end of Carquines Strait Comment
  UC1607684  Minuartia pusilla Barbara Ertter, Lynne Hosley 1993-4-17 11512 Contra Costa ca 10 air mi n Livermore (hills in lee of Mt. Diablo, edge of outcrop s of Hummingbird trail); Morgan Territory 609 Comment
  UC1613941  Perideridia kelloggii Charles M. Belshaw 1935-6-24 1020 Contra Costa Sobrante Hills Comment
  UC1614416  Polypodium calirhiza Charles M. Belshaw 1935-12-28 1427 Contra Costa on trail above ranch house Las Trampas Ridge Comment
  UC161764  Amsinckia tessellata var. tessellata C. M. Belshaw 1936-5-9 2084 Contra Costa 1/2 mi n Nortonville 274 Comment
  UC1618047  Bromus hordeaceus Donald G. Nelson 1937-3-30 477 Contra Costa s of Byron (on road to Tracy, along railroad tracks paralleling the highway) Comment
  UC1618137  Spergularia rubra Barbara Ertter with Chris Thayer and Dianne Lake 1996-5-16 14681 Contra Costa w of Richmond (Point Molate Naval Fuel Depot overlooking San Francisco Bay, around Tank 14); San Francisco Bay, Point Molate Naval Fuel Depot Comment
  UC1618138  Spergularia rubra Barbara Ertter with Tony Morosco 1996-1-15 14545 Contra Costa on road to Frog Pond from Curry Point (se side Mount Diablo, below Sheepherder (Chase) Pond); Mount Diablo Comment
  UC1618174  Crypsis schoenoides Barbara Ertter 1989-9-30 8866 Contra Costa 1 1/4 mi nw of Inspiration Point (Tilden Regional Park e of El Cerrito, East Bay Skyline National Recreation Trail (=Nimitz Way)); Tilden Regional Park, E Bay Skyline Nat'l Recreation Trail Comment
  UC1618197  Plagiobothrys stipitatus var. stipitatus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8120 Contra Costa ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  UC1618223  Amsinckia intermedia Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8130 Contra Costa ca. 15 air mi. s.w. Stockton (w. and adjacent to Clifton Court Forebay) Comment
  UC1618284  Lonicera japonica Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10694 Contra Costa opposite Pittsburg Marina (in center of w end of Browns Island n of Pittsburg near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  UC1618289  Pyrus communis Barbara Ertter, Chris Thayer 1993-5-7 11700 Contra Costa Hopkins Spring 1/2 mi se of Inspiration Point (on Wilodcat Canyon Road, East Bay Municipal Utilities District land e of Tilden Park); Hopkins Spring 304 Comment
  UC1618308  Tauschia hartwegii Barbara Ertter with Travis Columbus 1990-6-10 9106 Contra Costa ne corner Briones Regional Park (e-facing steep hillside above junction of Spengler and Blue Oak trails, Briones Hills, w of Pleasant Hill); ne corner of Briones Regional Park, Briones Hills 274 Comment
  UC1618315  Symphyotrichum lentum Barbara Ertter, CNPS 1990-9-16 9647 Contra Costa Bethel Island Franks Tract State Recreation Area (ne of Brentwood, e end of Gateway Rd. at w edge of Recreation Area, base of lawn-covered levee at water's edge) 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
  UC1618342  Hypericum calycinum Barbara Ertter 1993-6-25 11907 Contra Costa 1/4 mi s of junction of Lomas Cantadas (1/4 mi s of Tilden miniature steam trains, Oakland-Berkeley Hills, Grizzly Peak Boulevard); Oakland-Berkeley Hills, Grizzly Peak Boulevard 487 Comment
  UC1618349  Najas guadalupensis Barbara Ertter, Lynne Hosley 1991-9-22 10825 Contra Costa se side of Lafayette Reservoir in hills sw of Lafayette; Lafayette Reservoir 137 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
  UC1619920  Triglochin striata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10714 Contra Costa Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers opposite Pittsburg Marina, at (Botany Cove)); Browns Island Comment
  UC1619946  Lythrum californicum Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10695 Contra Costa Browns Island n. of Pittsburg (near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, center of w. end of island); Browns Island Comment
  UC1619954  Mentha spicata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10718 Contra Costa Browns Isl. n Pittsburg (near confluence of Sacramento & San Joaquin rivers, w.-most point opposite Pittsburg marina); Browns Isl. Comment
  UC16326  Rupertia physodes unknown 1032 Contra Costa Mount Diablo Comment
  UC16534  Trifolium fucatum W. H. Brewer 1862-4-30 1006 Contra Costa Camp 69 Walnut Creek Comment
  UC165499  Trifolium willdenovii J. Burtt Davy 1895-4-13 1001 Contra Costa San Pablo Creek Comment
  UC16747  Trifolium willdenovii H. P. Chandler 1900-3-24 587 Contra Costa Briones HIlls Mt. Diablo region Comment
  UC16751  Trifolium willdenovii W. H. Brewer 1862-5-23 1151 Contra Costa se Mt. Diablo Comment
  UC16795  Trifolium variegatum var. melananthum W. L. Jepson 1891-5-24 Contra Costa Mt. Diablo Comment
  UC1719620  Zostera marina Wyllie-Echeverria family 2003-4-8 Contra Costa station #2, Point Molate (near Richmond); San Francisco Bay Comment
  UC1719694  Acacia redolens Barbara Ertter, Brad Olson 1994-5-7 12742 Contra Costa S end of Point Molate Beach Park, edge of San Francisco Bay N of Richmond to San Rafael bridge Comment
  UC1719702  Acacia longifolia Barbara Ertter with Richard Rabeler 1994-6-2 12821 Contra Costa edge of San Francisco Bay on overgrown point south of Central Avenue at Point Isabel (subsequently cleared as part of new Eastshore State Park). Comment
  UC1719704  Acacia retinodes Barbara Ertter with Richard Rabeler 1994-6-2 12820 Contra Costa edge of San Francisco Bay on point S of Central Avenue at Point Isabel Comment
  UC1729582  Eryngium racemosum Leslie Zander 1998-10-9 Contra Costa near Discovery Bay West (just s of eastern terminus of Point of Timber Road and w of Kellogg Creek) Comment
  UC1733834  Stylomecon heterophylla Kay H. Beach 1941-4-30 1078 Contra Costa 7 mi W of Byron; Marsh Creek 30 Comment
  UC1733839  Psilocarphus chilensis Kay H. Beach 1941-4-30 1083 a Contra Costa near Byron Hot Springs Station Comment
  UC1738122  Myosurus sessilis D. E. Stone 1955-8-26 8 -24 Contra Costa on the road to Herdlyn, 3 mi S of Byron Comment
  UC1745504  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  UC1745970  Epilobium canum subsp. canum Annetta M. Carter 1933-11-25 419 Contra Costa Mount Diablo Comment
  UC1779741  Castilleja ambigua subsp. ambigua D. Kelch 1999-4-15 Contra Costa George Wittell Marsh, Pt. Pinole Comment
  UC1782176  Citrullus colocynthis var. lanatus Rudolf Schmid 2003-9-13 2003 -15 Contra Costa vacant lot, 24 Edwin Dr., Kensington 169 Comment
  UC1784219  Glycyrrhiza lepidota Ethel Crum 1930-9-29 856 Contra Costa Marsh Creek Road to Holt Comment
  UC1784904  Prunus avium Barbara Ertter with Dan Norris 1999-10-23 s. n. Contra Costa Huckleberry Botanic Regional Preserve, Oakland Hills, along lower loop trail Comment
  UC1789171  Rosa eglanteria Barbara Ertter 2001-11-3 17812 Contra Costa Tilden Regional Park, Selby Trail ca. 1/4 miles north of Lake Anza Comment
  UC1789216  Eucalyptus tereticornis Barbara Ertter with Dan Norris 2001-4-8 17604 Contra Costa Lime Ridge Open Space, main pit of west quarry area north of adjacent golf course 121 Comment
  UC1795635  Vicia sativa subsp. nigra Barbara Ertter, Chris Thayer 1995-4-25 14001 Contra Costa Southeast side of Mt. Diablo northeast of Danville, roadside at Curry Point. Comment
  UC1795733  Eriophyllum staechadifolium Barbara Ertter, Brad Olson 1994-5-7 12759 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UC1795780  Potamogeton filiformis Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14644 Contra Costa North Gate Road at northwest base of Mount Diablo, ''Tick Pond'' west of road toward Castle Rock. Comment
  UC1795793  Hedypnois rhagadioloides Barbara Ertter, Mary Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present). 91 Comment
  UC1795848  Pseudognaphalium luteoalbum Barbara Ertter, Tony Morosco 1996-1-15 14546 Contra Costa Mount Diablo (southeast side) trail from Curry Point to Frog Pond; streamlet from spring crossing road below and slightly west of Hidden Pond, clay substrate. 487 Comment
  UC1795882  Danthonia californica var. californica Barbara Ertter, Brad Olson 1994-5-7 12754 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UC1795889  Spartina densiflora Barbara Ertter, Rich Rabeler 1994-6-18 12835 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; beach on North side Whittell Marsh. Comment
  UC18112  Acer macrophyllum H. P. Chandler 584 Contra Costa Briones Valley region of Mount Diablo, Briones Valley Comment
  UC1818862  Bromus carinatus var. carinatus Barbara Ertter, Brad Olson 1994-5-7 12749 Contra Costa Send Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Intact coastal prairies above bluff just south of park, between road and bay, Comment
  UC1818873  Triglochin maritima Barbara Ertter, Brad Olson 1994-5-7 12765 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Edge of marsh. Comment
  UC1818926  Clarkia affinis Barbara Ertter, Mary Bowerman 1995-6-11 14255 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, bank of Indian Creek above Indian Valley Pond, partial sun on Franciscan layer. 76 Comment
  UC1818940  Barbarea orthoceras Barbara Ertter, Mary Bowerman 1994-6-19 12843 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, ca. 3300'; roadside cut thru chaparral. Comment
  UC1818945  Sagina apetala Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13943 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, oak woodland/grassland open flat area on east side of stream not far from trail head. 182 Comment
  UC1818962  Polygonum persicaria Barbara Ertter 1995-8-19 14504 Contra Costa Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water. Comment
  UC1819041  Logfia gallica Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14237 Contra Costa South side Mount Diablo, road to Sheepherders Springs 1/2 mile north of Curry Point from Sloan Road, clay at edge of grassland/woodland. 426 Comment
  UC1819070  Piptatherum miliaceum Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13940 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, on east side of stream not far from trail head. 182 Comment
  UC189202  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC194219  Blepharizonia plumosa H. M. Hall 1916-8-17 10275 Contra Costa Los Medanos San Francisco Bay Region, Suisun Bay Comment
  UC194265  Lasthenia glaberrima Edward Lee Greene 1886-5-24 Contra Costa Mt. Diablo Comment
  UC1948941  Logfia gallica William J. Ferlatte, L. Maynard Moe 1970-4-27 1255 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC1948943  Scrophularia californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1223 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC1948970  Bromus diandrus William J. Ferlatte, L. Maynard Moe 1970-4-27 1238 Contra Costa San Francisco Bay: Red Rock Island 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
  UC1950412  Stuckenia pectinata Barbara Ertter with Lynne Hosley 1991-9-22 10824 Contra Costa Lafayette Reservoir in hills SW of Lafayette, at E end of dam Comment
  UC1952819  Rosa californica Barbara Ertter with David Gowen 2010-11-17 20700 Contra Costa southeast part of Lime Ridge Open Space (City of Walnut Creek(, mid slope of east-facing drainage below Crystyl Ranch Trail ca 1/4 mi N of jct Paraiso Trail Comment
  UC1953204  Cirsium occidentale David Keil with Barbara Ertter et al. 2000-6-18 28815 B Contra Costa Mount Diablo State Park. Lower part of Jumper [Juniper] Trail above Laurel Dell picnic area. Comment
  UC19565  Mentzelia affinis J. Burtt Davy 1895-4-7 918 Contra Costa Antioch Comment
  UC1965404  Calystegia sepium subsp. binghamiae R. K. Brummitt and B. Ertter 2012-6-16 22059 Contra Costa Antioch, beside Plaza at water's edge at upper end of Suisun Bay Comment
  UC1988939  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 mi S of Antioch Comment
  UC198957 Image available Malacothamnus hallii H. M. Hall and F. M. Essig 1916-5-30 10131 Contra Costa Mt. Diablo 274 Comment
  UC201013  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201015  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201019  Lupinus microcarpus var. microcarpus Katharine Brandegee and Harriet E. Phillips 1918-6-16 Contra Costa near Vigorit Powder Works; near Vigorit Powder Works Comment
  UC201024  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UC201030  Lupinus microcarpus var. microcarpus Katharine Brandegee July, 1918 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UC2027718  Scrophularia californica Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15520 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC2028083  Lupinus microcarpus var. microcarpus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16120 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side. Comment
  UC2028283  Euphorbia oblongata Barbara Ertter 1998-6-20 16245 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, roadside near Old Borges Ranch. Comment
  UC2028290  Trillium chloropetalum Barbara Ertter with Dan Norris 1998-6-18 16227 Contra Costa Junction of W Fork Sycamore Creek (= Madrone Canyon) and Sycamore Creek Road. Comment
  UC2028431  Oenothera biennis Barbara Ertter 1996-9-28 15311 Contra Costa El Cerrito Creek, Creekside Park along Cerrito Creek at base of Albany Hill. Comment
  UC2028433  Eleocharis parishii Barbara Ertter with Chris Thayer 1996-10-25 15350 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park Comment
  UC2028451  Alisma triviale Barbara Ertter with Joanne Kerbavaz 2000-8-20 17500 Contra Costa Frog Pond on southeast side of Mount Diablo Comment
  UC2028453  Crassula aquatica Barbara Ertter with Joanne Kerbavaz 2000-8-20 17506 Contra Costa Hidden Pond on south side of Mount Diablo Comment
  UC2028468  Echinochloa colona Barbara Ertter 1997-8-24 15776 Contra Costa Mount Diablo, Summit Road just above Junction Station Comment
  UC2028551  Myriopteris covillei Barbara Ertter 1997-8-19 15774 Contra Costa Mount Diablo, SE side of Peak on Mary Bowerman/Fire Interpretive Trail Comment
  UC2028568  Callitriche trochlearis Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15516 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC2029096  Acacia cyclops Barbara Ertter 1990-10-14 9660 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in SW El Cerrito, at end of Rydin Road. Comment
  UC2029125  Calystegia subacaulis Barbara Ertter with David Gowen 2013-4-9 21308 Contra Costa Mount Diablo State Park southeast of Walnut Creek, ridge in bend of South Gate Road at Curry Point. Comment
  UC2029152  Oenothera deltoides subsp. cognata Barbara Ertter, Chris Thayer 1994-5-19 12782 Contra Costa Highway 4 between Brentwood and Oakley at Honey Lane (halfway between Cypress Rd. and Delta Rd.) Comment
  UC2029199  Carex tumulicola Barbara Ertter 2003-2-8 18094 Contra Costa Richmond Field Station (UC-Berkeley) Comment
  UC202943  Baccharis salicifolia subsp. salicifolia Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC2031422  Calochortus albus Barbara Ertter 1991-6-1 10086 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead Comment
  UC2031424  Leptosiphon androsaceus Barbara Ertter 1991-6-1 10085 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead Comment
  UC2031430  Calochortus luteus Barbara Ertter 1991-6-1 10079 Contra Costa Las Trampas Regional Wilderness in hills W of Danville Comment
  UC2031455  Anagallis arvensis Barbara Ertter with David Gowen, Mike Park, Chris Thayer et al. 2014-4-12 21711 Contra Costa South tributary of Perkins Canyon at Prospectors Gap Road, Ginochio property on east side of Mount Diablo Comment
  UC2031466  Carex praegracilis Barbara Ertter with Brad Olson 1991-11-10 10886 Contra Costa Point San Pablo in extreme west of Richmond Comment
  UC2032807 Image available Sonchus oleraceus Doran, Andrew Scott 2012-3-20 677 Contra Costa Brooks island loading dock, North side of island. Comment
  UC2032808  Euphorbia peplus Doran, Andrew Scott 2012-3-20 678 Contra Costa Brooks island loading dock, North side of island. Comment
  UC2032810  Pseudognaphalium luteoalbum Doran, Andrew Scott 2012-3-20 680 Contra Costa Brooks island loading dock, North side of island. Comment
  UC2032815  Euphorbia lathyris Doran, Andrew Scott 2012-3-20 685 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Garden waste area. Comment
  UC2032842  Rubus ursinus Doran, Andrew Scott 2012-3-20 713 Contra Costa North east side of Brooks Island Comment
  UC2032844 Image available Plantago erecta Doran, Andrew Scott 2012-3-20 715 Contra Costa Trail down from highest point of Brooks Island. South east part of Island. Comment
  UC2032849  Cotula coronopifolia Doran, Andrew Scott 2012-3-20 720 Contra Costa Northeast part of Brooks Island, on trail to beach along spit. Comment
  UC204068  Epilobium canum subsp. canum A. D. E. Elmer July, 1903 4620 Contra Costa Mount Diablo Comment
  UC2042062  Plantago erecta Katie Gallagher with Nick Jensen 2014-4-26 189 Contra Costa Las Tramps Regional Wilderness. Comment
  UC2042780  Quercus kelloggii Barbara Ertter with Travis Columbus 1990-6-10 9115 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, SE Alhambra Valley staging area Comment
  UC2046014  Arctostaphylos viscida subsp. mariposa Stephen W. Edwards July, 2012 s.n. Contra Costa Pleasant Hill, along Taylor Blvd. Comment
  UC2046367  Potamogeton richardsonii Barbara Ertter 2015-10-9 22454 Contra Costa Antioch marina on San Joaquin River delta. 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
  UC2055620  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8043 Contra Costa Mt. Diablo 1066 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
  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
  UC20920  Cicuta maculata var. bolanderi Jos. Burtt Davy 1900-6-7 6668 Contra Costa near Martinez Comment
  UC218905  Microseris douglasii subsp. douglasii Katharine Brandegee 1907-5-3 Contra Costa near Antioch Comment
  UC219362  Atriplex coronata H. M. Hall 1922-5-6 11802 Contra Costa 8 mi w Byron (e of Mt. Diablo); , w of Byron Comment
  UC22848  Cicendia quadrangularis W. H. Brewer 1862-4-24 993 Contra Costa Martinez; near Camp 68 Comment
  UC24341  Phacelia distans J. Burtt Davy 1895-4-7 917 Contra Costa Antioch Comment
  UC24597 Image available Amsinckia tessellata J. Burtt Davy 1895-4-7 931 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC25728  Salvia mellifera W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo; Region of Mount Diablo Comment
  UC25729  Salvia mellifera Harley P. Chandler 1901-4-5 976 Contra Costa Mt. Diablo Comment
  UC26516  Castilleja affinis subsp. affinis W. H. Brewer 1862-5-1 1041 Contra Costa Walnut Creek Comment
  UC27147  Castilleja attenuata H. M. Hall 1901-4-5 Contra Costa Mt. Diablo; San Francisco Bay Region 640 Comment
  UC27244  Castilleja exserta subsp. exserta R. C. Marsh 1900-4-5 Contra Costa Oakley; Mount Diablo Region Comment
  UC27730  Veronica peregrina subsp. xalapensis W. H. Brewer 1862-4-30 1026 Contra Costa Walnut Creek, Camp 69 Walnut Creek; , Camp 69 Comment
  UC27898  Orobanche uniflora subsp. occidentalis J. Burtt Davy 1895-4-13 1004 Contra Costa Lafayette. Comment
  UC29618  Arnica discoidea F. P. McLean 1875-3-1 Contra Costa Mt. Diablo Comment
  UC30066  Stylomecon heterophylla E. R. Drew 1889-4-26 Contra Costa Martinez Comment
  UC30399  Baccharis salicifolia subsp. salicifolia H. N. Bolander 1866-4-1 6162 Contra Costa near Mount Diablo Comment
  UC30472  Lasthenia minor F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UC306676  Centromadia pungens subsp. pungens A. D. E. Elmer 1903-5-1 4392 Contra Costa Walnut Creek Comment
  UC306913  Eriogonum umbellatum var. bahiiforme A. D. E. Elmer July, 1903 4547 Contra Costa Mt. Diablo Comment
  UC3113  Allium unifolium W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mt. Diablo Comment
  UC3116  Allium unifolium State Survey 1174 Contra Costa Mt. Diablo Comment
  UC32009  Gnaphalium palustre W. H. Brewer 1862-5-26 1172 Contra Costa near Mount Diablo Comment
  UC32237  Helenium bigelovii Jos. Burtt Davy 1900-6-7 6671 Contra Costa near Martinez Comment
  UC322989  Chenopodium vulvaria A. M. Burton 1927-8-26 Contra Costa near Concord Comment
  UC34480  Lasthenia microglossa Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC34576  Blennosperma nanum var. nanum Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC35144  Androsace elongata subsp. acuta W. C. Blasdale 1896-2-28 Contra Costa w Clayton (Clayton) Comment
  UC35150  Androsace elongata subsp. acuta J. P. Tracy 1902-3-15 1314 Contra Costa hills near Berkeley; San Francisco Bay, San Pablo Ridge 457 Comment
  UC35243  Asclepias cordifolia Prof. E. L. Greene April 1889 Contra Costa hills near Martinez Comment
  UC35247  Asclepias californica Dr. W. S. George 1901-4-13 Contra Costa Antioch Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC35591  Micropus californicus var. californicus W. H. Brewer 1862-5-29 1180 Contra Costa Marsh's Ranch; Marsh's Ranch, Camp 71, Contra Costa Co. Comment
  UC3643  Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch, [in the foothills rather than the sand-hills] Antioch Comment
  UC36553  Ericameria linearifolia W. H. Brewer 1862-5-7 1054 Contra Costa Mount Diablo Comment
  UC36557  Ericameria linearifolia F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC365836  Deinandra kelloggii Mrs. K. Curran Contra Costa near Antioch Comment
  UC38784  Lolium multiflorum J. Burtt Davy 1897-9-4 4078 Contra Costa Stege Comment
  UC39568  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 Contra Costa Antioch Comment
  UC399521  Pellaea andromedifolia Ivar Tidestrom June, 1895 Contra Costa Crockett Comment
  UC400148  Dichelostemma capitatum Ynes Mexia 1929-4-21 2385 Contra Costa Moraga Valley Comment
  UC400150  Arbutus menziesii Ynes Inexia 1929-4-21 2382 Contra Costa Moraga Valley Comment
  UC402590  Lepidium nitidum I. J. Condit 1913-3-19 Contra Costa Walnut Creek Comment
  UC405353  Quercus chrysolepis W. P. Taylor 1912-7-26 Contra Costa w side Mt. Diablo Comment
  UC407040  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  UC407362  Monolopia major Ira L. Wiggins 1930-4-17 4584 Contra Costa 0.25 mi s Byron Comment
  UC41762  Castilleja subinclusa subsp. franciscana J. P. Tracy 1900-3-24 616 Contra Costa Point Richmond; San Francisco Bay Region 15 Comment
  UC41914  Castilleja exserta subsp. exserta Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC42032  Adiantum jordanii Ivar Tidestrom vi, 1895 Contra Costa canyon near Crockett Comment
  UC447211  Croton californicus C. F. Baker 1903-4-25 2825 Contra Costa Antioch Comment
  UC4498  Epipactis gigantea F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC480907  Deinandra kelloggii Katharine Brandegee 1907-5-1 Contra Costa near Antioch; Judsonville Comment
  UC485559  Ancistrocarphus filagineus Thomas Howell 1883-5-1 Contra Costa Antioch Comment
  UC494231  Allium serra Anna E. Ehlers 1920-4-25 571 Contra Costa Mt. Diablo Comment
  UC50634  Polypogon monspeliensis Jos. Burtt Davy 1900-6-7 6672 Contra Costa near Martinez; near Martinez Comment
  UC517947  Dodecatheon hendersonii John Thomas Howell 1931-3-10 5756 Contra Costa on Livermore Road 7 mi from Clayton; e side Mt. Diablo, 7 mi from Clayton Comment
  UC521671  Epilobium canum subsp. canum Joseph Andorfer Ewan 1933-10-15 8023 Contra Costa water tank at Indian Ceremonial Spr. Mt. Diablo Comment
  UC521721  Artemisia douglasiana Joseph Andorfer Ewan 1933-10-15 8033 Contra Costa grassy slope above Indian Ceremonial Spr.; Mt. Diablo Comment
  UC52505  Gilia tricolor subsp. tricolor H. M. Hall 1901-4-5 1727 Contra Costa Mt. Diablo Region of San Francisco Bay, Mt. Diablo 411 Comment
  UC53466  Leymus triticoides Jos. Burtt Davy 1900-6-7 6658 Contra Costa near Pacheco Comment
  UC545780  Clematis lasiantha Annetta M. Carter 1935-6-1 873 Contra Costa n.w. slope of main peak Mt. Diablo 975 Comment
  UC54724  Castilleja densiflora subsp. densiflora J. P. Tracy 1903-4-18 1806 Contra Costa e slope beyond Bald Peak (hills near Berkeley); San Francisco Bay Region 304 Comment
  UC54771  Pedicularis densiflora Joseph P. Tracy 1903-4-18 1801 Contra Costa hills near Berkeley (e slope beyond Bald Peak); San Francisco Bay Region 304 Comment
  UC549110  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Danville South Coast Mt. Range, Sacramento River Watershed, Mt. Diabl (w base of mt.) 213 Comment
  UC549412  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-19 677 Contra Costa Rock City Mount Diablo Comment
  UC549462  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 634 Contra Costa Moraga Ridge Comment
  UC549595  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-10-6 849 Contra Costa Mount Diablo Comment
  UC549758  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 683 Contra Costa Mt. Diablo Comment
  UC5520  Quercus chrysolepis J. Burtt Davy 1896-2-28 1265 Contra Costa Mitchell Canyon Mt. Diablo Comment
  UC552357  Dirca occidentalis Arthur Cobbledick 1936-3-23 Contra Costa Wildcat Canyon Comment
  UC555355  Trifolium depauperatum var. truncatum H. L. Mason 1929-3-15 5061 Contra Costa ca 5 mi from Brentwood (Marsh Creek Rd) Comment
  UC555416  Lotus micranthus H. L. Mason 1928-4-29 4428 Contra Costa Sycamore Canyon, s slope of Mount Diablo Mount Diablo Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UC555542  Lotus junceus var. biolettii H. L. Mason 1929-5-7 5262 Contra Costa Moraga Ridge Comment
  UC555617  Trifolium albopurpureum var. albopurpureum H. L. Mason 1929-5-7 5261 Contra Costa Moraga Ridge Comment
  UC558454  Juniperus californica C. M. Belshaw 1936-10-25 2021 Contra Costa 0.75 mi ne of North Peak; Mount Diablo 609 Comment
  UC565627  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1931-4-5 5817 Contra Costa Antioch sandhills Antioch Comment
  UC566690  Helenium puberulum H. L. Mason 1924-11-23 1162 Contra Costa Las Trampas Creek Comment
  UC566856  Sanicula crassicaulis H. L. Mason 1928-4-13 4305 Contra Costa Richmond Waterfront Comment
  UC56947  Guillenia lasiophylla H. M. Hall 1900-3-24 579 Contra Costa Briones Valley San Francisco Bay Region Comment
  UC570761  Callitriche marginata H. L. Mason 1932-3-16 6810 Contra Costa At east edge Walnut Creek, along S.P. Railroad track Comment
  UC570821  Ribes malvaceum Herbert L. Mason 1924-11-23 1168 Contra Costa Las Trampas Ridge Comment
  UC570964  Ribes sanguineum var. glutinosum Herbert L. Mason 1925-9-12 2224 Contra Costa head San Leandro Canyon; Oakland Hills Comment
  UC571141  Erodium botrys A. E. Borell 1928-3-31 75 Contra Costa Richmond Comment
  UC573079  Plagiobothrys stipitatus var. micranthus H. L. Mason 1929-3-31 5144 Contra Costa Briones Valley Comment
  UC579849  Scrophularia californica Annetta Carter 1936-4-19 1112 Contra Costa e side of island Red Rock; San Francisco Bay Comment
  UC579853  Achillea millefolium Annetta Carter 1936-4-19 1116 Contra Costa hollow e side of island Red Rock; San Francisco Bay Comment
  UC579855  Vulpia myuros var. hirsuta Annetta Carter 1936-4-19 1118 Contra Costa e side Red Rock; San Francisco Bay Comment
  UC579859  Aira caryophyllea Annetta Carter 1936-4-19 1122 Contra Costa Red Rock San Francisco Bay (e side of island) Comment
  UC581755  Heterotheca grandiflora Joseph P. Tracy 1932-9-10 10783 Contra Costa on Franklin Canyon Rd e Pinole; Rodeo Creek 91 Comment
  UC60164  Nassella lepida J. Burtt Davy 1900-3-24 6519 Contra Costa Port Richmond Comment
  UC606731  Luzula comosa Edward Lee 1936-4-19 2000 Contra Costa n side near summit Red Rock; San Francisco Bay, n side Red Rock Comment
  UC606736  Melica californica Edward Lee 1936-4-19 1957 Contra Costa ne shore Red Rock; San Francisco Bay Comment
  UC613060  Cuscuta salina var. major C. W. Sharsmith 1933-9-15 477 Contra Costa near Carquinez Straits (adjacent to San Pablo Bay); San Pablo Bay Comment
  UC615460  Viola purpurea subsp. quercetorum Beryl O. Schreiber 1932-5-15 277 Contra Costa Mount Diablo, summit Mount Diablo Comment
  UC615563  Grindelia hirsutula Beryl O. Schreiber 1933-10-5 940 A Contra Costa Mount Diablo Comment
  UC615565  Heterotheca sessiliflora subsp. echioides Beryl O. Schreiber 1933-10-5 940 Contra Costa Mount Diablo Comment
  UC618200  Dichelostemma capitatum R. F. Hoover 1938-2-21 2756 Contra Costa Point Richmond Comment
  UC62893  Layia chrysanthemoides H. M. Hall 1901-3-22 1688 Contra Costa Rodeo Creek Region of San Francisco Bay, Rodeo Creek Comment
  UC62991  Lasthenia californica subsp. californica H. M. Hall 1901-4-5 1749 Contra Costa Mt. Diablo Region of San Francisco Bay Comment
  UC630420  Asclepias fascicularis Paule Guiguet, Annetta Carter 1939-8-13 1446 Contra Costa 0.3 mi s Marsh Creek Road (Treat Avenue, e of Concord) 60 Comment
  UC630661  Streptanthus albidus subsp. peramoenus John L. Morrison and Lincoln Constance 1938-5-5 3030 Contra Costa steep sw slope 2 mi outside N. entrance to Mt. Diablo State Park Comment
  UC630935  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 a Contra Costa Byron Hot Springs, near [golf links] Byron Hot Springs Comment
  UC63192  Grindelia hirsutula H. M. Hall 1901-3-17 1659 Contra Costa Point Richmond; San Francisco Bay Region Comment
  UC634816  Garrya elliptica H. L. Mason 1925-9-12 2223 Contra Costa head of San Leandro Creek Canyon; Oakland Hills Comment
  UC634924  Salvia columbariae H. L. Mason 1929-3-29 5121 Contra Costa Mt. Diablo 762 Comment
  UC635405  Camissoniopsis micrantha H. L. Mason 1929-3-31 5160 Contra Costa Antioch San Joaquin River (sand dike along river) Comment
  UC635477  Stylomecon heterophylla H. L. Mason 1928-4-29 4442 Contra Costa s slope Mount Diablo; s slope of Mount Diablo, Sycamore Canyon Comment
  UC64561  Aristolochia californica H. M. Hall 1901-3-22 1682 Contra Costa canyon s. of Port Costa; San Francisco Bay Region Comment
  UC650558  Heliotropium curassavicum Ira L. Wiggins 1930-4-18 4606 Contra Costa Jersey Isl. Comment
  UC650564  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi s Byron Comment
  UC6565  Eriogonum gracile var. gracile Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  UC665689  Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa banks at upper end San Leandro Lake (near mouth of Redwood Creek) 129 Comment
  UC665693  Polypogon monspeliensis Thomas Morley 1940-11-21 85 Contra Costa banks at upper end of San Leandro Lake near mouth of Redwood Creek; upper end of San Leandro Lake, near mouth Redwood Creek 129 Comment
  UC671750  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa margin of San Francisco Bay Point Richmond 15 Comment
  UC672117  Fritillaria agrestis Herbert L. Mason 1929-3-15 5057 Contra Costa about 5 mi from Brentwood (Marsh Creek Road); Marsh Creek Road Comment
  UC672145  Calochortus pulchellus Herbert L. Mason 1928-4-29 4420 Contra Costa Sycamore Canyon Mount Diablo Comment
  UC672416  Phacelia distans Herbert L. Mason 1928-4-29 4422 Contra Costa Sycamore Canyon Mount Diablo Comment
  UC677559  Bromus madritensis subsp. rubens A. A. Beetle 1942-3-22 2930 Contra Costa Taber Island, small Island off north west side of Brooks Island, San Francisco Bay, Contra Costa County. Comment
  UC677567  Bromus racemosus P. F. Knowles B 72 Contra Costa 1 mi w of Rodeo Comment
  UC691058  Cardamine oligosperma Mary L. Bowerman 1935-5-3 2955 Contra Costa hillside below Jungle of the Garden Gods (Rock City Ridge, Fossil Ridge, Mount Diablo); Mount Diablo, Rock City Ridge, Fossil Ridge 472 Comment
  UC691064  Tropidocarpum gracile Mary L. Bowerman 1931-3-29 614 Contra Costa at foot Cave Point Ridge; Mount Diablo, Riggs Canyon Comment
  UC691077  Cardamine californica Mary L. Bowerman 1930-6-10 303 Contra Costa Mount Diablo Comment
  UC691101  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-4-25 Contra Costa summit of Meridian Peak (Mount Diablo); , Meridian Peak Comment
  UC691106  Oemleria cerasiformis Mary L. Bowerman 1935-3-16 2734 Contra Costa Peach Tree Springs Rd. Mount Diablo (e fork of canyon) 228 Comment
  UC691112  Holodiscus discolor Mary L. Bowerman 1930-6-26 376 b Contra Costa Clayton-Livermore Road s of Riggs Canyon Road (Mount Diablo); , Clayton-Livermore Road Comment
  UC691121  Prunus subcordata Mary L. Bowerman 1933-5-21 2157 Contra Costa S from Curry Canyon ( head of Grape Gully); Mount Diablo Comment
  UC691126  Guillenia lasiophylla Mary L. Bowerman 1930-6-7 291 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC691162  Rosa californica Mary L. Bowerman 1930-6-26 375 Contra Costa junction of Riggs Canyon Rd and Livermore Road; Mount Diablo Comment
  UC691180  Leymus triticoides Mary L. Bowerman 1933-9-23 2447 Contra Costa Alder Creek Mount Diablo (near spring in gully) Comment
  UC691190  Poa howellii Mary L. Bowerman 1935-5-18 3020 Contra Costa nw facing slope across rd from and a little e of Parking area; Mt Diablo 1066 Comment
  UC691201  Elymus glaucus Mary L. Bowerman 1933-6-21 2333 Contra Costa Donner Canyon Mount Diablo (along stream) Comment
  UC691212  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-5-1 2934 Contra Costa Mount Diablo, West Road,= North Road 2 mi from entrance Mount Diablo; , West Road 182 Comment
  UC691221  Melica imperfecta Mary L. Bowerman 1932-3-12 1120 Contra Costa Alamo Canyon Mount Diablo (near trail) 365 Comment
  UC691226  Avena barbata Mary L. Bowerman 1933-5-9 2040 a Contra Costa hillside e Pioneer Camp (exposure s to w); Mount Diablo Comment
  UC691262  Nassella lepida Mary L. Bowerman 1932-4-27 1376 Contra Costa canyon w Riggs Canyon (e bank of stream, s face of ridge); Mount Diablo, Oyster Ridge 289 Comment
  UC691280  Quercus lobata Mary L. Bowerman 1930-11-25 498 Contra Costa s of South Gate; Mount Diablo Comment
  UC691288  Quercus garryana Mary L. Bowerman 1930-10-19 491 Contra Costa Fossil Ridge (Garden-of-the-Gods) Mount Diablo Comment
  UC691290  Quercus wislizeni var. frutescens Mary L. Bowerman 1931-4-25 777 Contra Costa Mount Diablo Comment
  UC691298  Quercus douglasii Mary L. Bowerman 1930-9-9 457 Contra Costa ne side North Peak; Mount Diablo Comment
  UC691301  Quercus berberidifolia Mary L. Bowerman 1933-5-19 2142 Contra Costa Sulphur Spring Canyon, e fork Mount Diablo 457 Comment
  UC691306  Quercus berberidifolia Mary L. Bowerman 1933-4-15 1878 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  UC691362  Senecio sylvaticus Mary L. Bowerman 1933-5-25 2180 Contra Costa w end s face Oyster Ridge (Mount Diablo); , , w end of s face, in burned chapa 396 Comment
  UC691380  Cirsium cymosum var. cymosum Mary L. Bowerman June 1942 3848 Contra Costa South Road se of Rock City 502 Comment
  UC691388  Cirsium douglasii var. douglasii Mary L. Bowerman 1933-8-2 2396 Contra Costa Maple Spring (by west road) Mount Diablo Comment
  UC691390  Cirsium occidentale var. venustum Mary L. Bowerman 1930-6-10 295 Contra Costa near Mineral (on North Road); Mount Diablo 396 Comment
  UC691398  Amsinckia intermedia Mary L. Bowerman 1931-4-4 642 Contra Costa near w entrance Mount Diablo (North gate) Comment
  UC691410  Lepechinia calycina Mary L. Bowerman 1938-5-28 3638 Contra Costa Mount Diablo North Road 5.4 miles from North Gate 457 Comment
  UC691418  Tauschia hartwegii Mary L. Bowerman 1930-6-14 332 Contra Costa Mount Diablo , Meridian Peak summit on w slope (summit) Comment
  UC691427  Agoseris retrorsa Mary L. Bowerman 1935-5-18 3017 Contra Costa along road near parking area Mount Diablo 1127 Comment
  UC691435  Malacothrix clevelandii Mary L. Bowerman 1932-4-16 1337 Contra Costa s 1682 point (Eagle Point Ridge, Mount Diablo); Mount Diablo 502 Comment
  UC691439  Sonchus oleraceus Mary L. Bowerman 1932-4-27 1369 Contra Costa w facing bank of ridge w Riggs Canyon (Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge Comment
  UC691460  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-11 690 Contra Costa Pine Canyon Mount Diablo 121 Comment
  UC691468  Uropappus lindleyi Mary L. Bowerman 1933-5-9 2060 Contra Costa Muir Area , Muir Area (Mount Diablo) Comment
  UC691473  Marrubium vulgare Mary L. Bowerman 1933-8-2 2390 Contra Costa edge of Sheep Camp Spring (by west road) Mount Diablo; , edge of Sheep Camp Spring Comment
  UC691479  Holocarpha heermannii Mary L. Bowerman 1930-7-20 409 Contra Costa Silver Spring Comment
  UC691482  Lonicera hispidula var. vacillans Mary L. Bowerman 1935-6-21 3145 Contra Costa e fork Arroyo del Cerro (several hundred yards below the spring) 289 Comment
  UC691492  Layia platyglossa Mary L. Bowerman 1933-5-2 1965 Contra Costa below and a little w Pioneer Camp; Mount Diablo Comment
  UC691513  Keckiella corymbosa Mary L. Bowerman 1936-9-10 3544 Contra Costa Donner Canyon; Mount Diablo 304 Comment
  UC691515  Salvia mellifera Mary L. Bowerman 1932-3-6 1104 Contra Costa mouth of Sycamore Canyon; Mount Diablo Comment
  UC691519  Heterocodon rariflorum Mary L. Bowerman 1935-6-15 3133 Contra Costa Mitchell Canyon; Mount Diablo 640 Comment
  UC691524  Plectritis macrocera Mary L. Bowerman 1931-4-25 784 Contra Costa summit of Mount Diablo Mount Diablo Comment
  UC691530  Plantago major Mary L. Bowerman 1932-11-11 1642 Contra Costa Lower Moses Rock Spring Mount Diablo Comment
  UC691538  Galium aparine Mary L. Bowerman 1930-6-10 310 Contra Costa summit Mount Diablo Comment
  UC691563  Viburnum ellipticum Mary L. Bowerman 1933-5-19 2143 Contra Costa Sulphur Spring Canyon, e fork Mount Diablo 457 Comment
  UC691565  Triphysaria eriantha subsp. eriantha Mary L. Bowerman 1932-3-12 1108 Contra Costa s of Diablo Mount Diablo (little e of Bret Harte Memorial); s of Mount Diablo Comment
  UC691569  Mimulus douglasii Mary L. Bowerman 1934-3-18 2483 Contra Costa w Russelman Park (on edge of Donner Canyon); Mount Diablo 365 Comment
  UC691570  Mimulus douglasii Mary L. Bowerman 1932-2-28 1097 Contra Costa w Blackberry Spring; Mount Diablo 609 Comment
  UC691601  Gilia achilleifolia subsp. multicaulis Mary L. Bowerman 1935-4-17 2839 Contra Costa West Road 2 mi from entrance Mount Diablo ((= North Rd.)); , West Road 289 Comment
  UC691606  Navarretia mellita Mary L. Bowerman 1931-6-2 910 Contra Costa Gregory Ranch Road Mount Diablo Comment
  UC691612  Navarretia pubescens Mary L. Bowerman 1930-6-10 298 Contra Costa Oak Knoll Picnic Grounds Mount Diablo Comment
  UC691621  Mimulus cardinalis Mary L. Bowerman 1932-11-19 1663 Contra Costa e Pioneer Camp (beneath fire trail); Mount Diablo, Mountain Springs Canyon Comment
  UC691626  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1933-5-3 1976 Contra Costa due s of summit Meridian peak (Mount Diablo); , Meridian Peak 731 Comment
  UC691662  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-30 3097 a Contra Costa Eagle Point ridge = between the two n ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point ridge 350 Comment
  UC691688  Phacelia breweri Mary L. Bowerman 1932-4-16 1341 Contra Costa Eagle Point Mount Diablo (n side) 670 Comment
  UC691698  Nemophila heterophylla Mary L. Bowerman 1930-6-10 308 Contra Costa summit Mount Diablo; Mount Diablo Comment
  UC691731  Eriophyllum confertiflorum var. confertiflorum Mary L. Bowerman 1933-6-3 2225 Contra Costa 2 mi by road from North Entrance; Mount Diablo Comment
  UC691742  Orobanche fasciculata Mary L. Bowerman 1931-5-23 900 Contra Costa Mount Diablo. Oyster Point. Comment
  UC691752  Lonicera hispidula var. vacillans Mary L. Bowerman 1938-6-14 3681 Contra Costa Canyon Nook Mount Diablo 670 Comment
  UC691784  Brickellia californica Mary L. Bowerman 1933-9-3 2422 Contra Costa rocky gully on sw side of ridge, e of dry spring and above large flat North Peak (Mount Diablo); , North Peak Comment
  UC691794  Agoseris heterophylla var. heterophylla Mary L. Bowerman 1933-5-18 2127 Contra Costa grassy slope Blackberry Spring; Mount Diablo Comment
  UC691832  Anagallis arvensis Mary L. Bowerman 1931-4-4 635 a Contra Costa 2 mi. by rd. from west entrance (=North Gate) Mt. Diablo Comment
  UC691846  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-6-8 3126 Contra Costa Meridian Peak Summit , Meridian Peak summit (Mount Diablo) 1170 Comment
  UC691851  Calystegia purpurata Mary L. Bowerman 1931-4-4 658 Contra Costa North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo 396 Comment
  UC691856  Cuscuta subinclusa Mary L. Bowerman 1930-8-24 437 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC691872  Eryngium castrense Mary L. Bowerman 1931-6-16 926 Contra Costa by old <Govornment> Trail Chase Pond; Mt. Diablo, Chase Pond 563 Comment
  UC691883  Conium maculatum Mary L. Bowerman 1935-6-8 3121 Contra Costa Mt. Diablo, Muir Area Comment
  UC691885  Angelica californica Mary L. Bowerman 1932-10-16 1631 Contra Costa Mount Diablo, Donner Canyon Trail Mount Diablo; , Donner Canyon Trail Comment
  UC691889  Perideridia californica Mary L. Bowerman 1933-4-26 1930 Contra Costa Perkins Canyon Mount Diablo (between main e ridge of North Peak and ridge to its south, by edge of stream) 518 Comment
  UC691895  Daucus pusillus Mary L. Bowerman 1935-5-16 2990 Contra Costa at end of rd. Russelman Park; Mt. Diablo, Russelman Park Comment
  UC691899  Forestiera pubescens Mary L. Bowerman 1936-6-20 3414 Contra Costa w side of ridge w Mt. Zion; Mount Diablo 198 Comment
  UC691900  Yabea microcarpa Mary L. Bowerman 1932-4-16 1342 Contra Costa n side Eagle Point; Mount Diablo 670 Comment
  UC691908  Cuscuta subinclusa Mary L. Bowerman 1932-10-16 1633 Contra Costa Donner Canyon trail Mount Diablo Comment
  UC691917  Chenopodium berlandieri Mary L. Bowerman 1932-9-3 1537 Contra Costa roadside just below Meridian Peak summit; Mount Diablo Comment
  UC691920  Pinus sabiniana Mary L. Bowerman 1931-2-8 516 Contra Costa by roadside around bend from (below) Silver Spring Comment
  UC691928  Pinus sabiniana Mary L. Bowerman 1931-2-8 516 Contra Costa by roadside around bend from (below) Silver Spring; Mount Diablo Comment
  UC691934  Amaranthus californicus Mary L. Bowerman 1935-9-13 3336 Contra Costa Hidden Pond Mount Diablo Comment
  UC691943  Umbellularia californica Mary L. Bowerman 1930-8-31 453 a Contra Costa Mount Diablo, Sloan Road e of the Sloan place (Inner Black Hills) Mount Diablo Comment
  UC691949  Delphinium californicum Mary L. Bowerman 1931-5-16 863 Contra Costa clearing n of road at foot last steep stretch; Mount Diablo, Meridian Peak summit 1143 Comment
  UC691953  Ranunculus aquatilis Mary L. Bowerman 1931-4-4 662 Contra Costa pool w Turtle Rock; Mount Diablo Comment
  UC691959  Carex serratodens Mary L. Bowerman 1933-4-15 1856 Contra Costa canyon s Arroyo del Cerro (hollow in gully near main stream); Mount Diablo Comment
  UC691967  Cyperus niger Mary L. Bowerman 1932-11-11 1640 Contra Costa Mt. Diablo, Lower Moses Rock Spring Comment
  UC691974  Eleocharis macrostachya Mary L. Bowerman 1935-6-21 3151 Contra Costa S of Turtle Rock (tiny pool above main pond); Mount Diablo Comment
  UC691986  Juncus bufonius var. congestus Mary L. Bowerman 1932-11-26 1671 Contra Costa Mount Diablo, Boulevard Spring (North Road) Boulevard Spring; Mount Diablo, Boulevard Spring Comment
  UC691991  Calochortus umbellatus Mary L. Bowerman 1933-5-22 2170 Contra Costa e of Knobcone Point (on n-face); Mount Diablo, Inner Black Hills Comment
  UC691996  Smilacina stellata Mary L. Bowerman 1933-6-20 2332 Contra Costa Donner Canyon Mount Diablo (by stream where streamlet enters from w) 259 Comment
  UC692004  Fritillaria affinis Mary L. Bowerman 1933-5-9 2053 Contra Costa Mount Diablo, Mountain House Canyon Mountain House Canyon; Mount Diablo, Mountain House Canyon 670 Comment
  UC692013  Carex serratodens Mary L. Bowerman 1932-11-19 1653 Contra Costa Elder Spring Mount Diablo Comment
  UC692019  Montia fontana Mary L. Bowerman 1939-3-31 3736 Contra Costa Spring in bend of road to Barbecue Terrace ((off South Road), Mount Diablo); Mount Diablo Comment
  UC692024  Allium unifolium Mary L. Bowerman 1935-5-18 3019 Contra Costa nw-facing slope across the road from and a little e parking area; Mt. Diablo 1066 Comment
  UC692030  Dichelostemma congestum Mary L. Bowerman 1935-5-1 2943 Contra Costa 4.4 mi from West road (= North Rd.) entrance; Mount Diablo 396 Comment
  UC692047  Eriogonum nudum var. auriculatum Mary L. Bowerman 1931-10-23 1062 Contra Costa Riggs Canyon Mount Diablo Comment
  UC692057  Salix lasiolepis Mary L. Bowerman 1931-2-22 518 Contra Costa Sycamore Canyon; mouth Comment
  UC692063  Salix lasiolepis Mary L. Bowerman 1932-11-11 1638 Contra Costa gully 250 ft below Moses Rock Spring; Mount Diablo Comment
  UC692070  Rumex crispus Mary L. Bowerman 1930-10-4 478 Contra Costa Maple Spring Mount Diablo Comment
  UC692078  Isoetes howellii Mary L. Bowerman 1935-7-22 3187 Contra Costa s. side Meridian Peak (Hidden Pond); Mt. Diablo, Hidden Pond 518 Comment
  UC692102  Dicentra chrysantha Mary L. Bowerman 1932-9-3 1529 Contra Costa Muir Area; Mount Diablo Comment
  UC692122  Polypodium calirhiza Mary L. Bowerman 1933-12-2 2478 Contra Costa rocks by Alder Canyon Alder Canyon; Mt. Diablo 533 Comment
  UC692161  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1601 Contra Costa Lime Ridge, n edge of s chaparral patch Mount Diablo 274 Comment
  UC692187  Ranunculus canus Mary L. Bowerman 1938-5-22 3048 Contra Costa canyon at n end which opens into saddle w Twin Peaks; Mount Diablo, Eagle Point Ridge 426 Comment
  UC692197  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1578 Contra Costa Donner Canyon, w branch below fork Mount Diablo Comment
  UC692202  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1593 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 441 Comment
  UC692211  Pterostegia drymarioides Mary L. Bowerman 1933-4-9 1833 Contra Costa w. fork Donner Canyon; Mt. Diablo 243 Comment
  UC692216  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2750 Contra Costa between two major cuts of Cowell Cement Company (w face of ridge); Mount Diablo, Lime Ridge Comment
  UC692222  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1930-8-31 443 Contra Costa Dan Cook (Rock City) Canyon Mount Diablo Comment
  UC692266  Lotus wrangelianus Mary L. Bowerman 1932-4-27 1393 Contra Costa canyon w of Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC692287  Festuca californica Mary L. Bowerman 1931-5-2 788 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  UC692297  Minuartia douglasii Mary L. Bowerman 1935-4-17 2825 Contra Costa West Road (= North Rd.) 2 mi from entrance; Mount Diablo 237 Comment
  UC692302  Stellaria nitens Mary L. Bowerman 1931-3-21 603 Contra Costa e end Fossil Ridge; Mount Diablo Comment
  UC692311  Calandrinia breweri Mary L. Bowerman 1933-5-3 1971 Contra Costa due s Meridian Peak summit; Mount Diablo 731 Comment
  UC692316  Trifolium fucatum Mary L. Bowerman 1932-3-23 1124 Contra Costa betw Monument and Concord (Oak Grove School junction); Mount Diablo Comment
  UC692366  Festuca californica Mary L. Bowerman 1931-4-25 757 Contra Costa Mount Diablo, near junction of s and w roads Mount Diablo Comment
  UC692387  Gastridium ventricosum Mary L. Bowerman 1932-4-27 1397 Contra Costa Oyster Ridge, South face Mount Diablo (canyon w of Riggs Canyon); , Oyster Ridge, s face Comment
  UC692397  Koeleria macrantha Mary L. Bowerman 1935-5-8 2974 a Contra Costa knoll on spur s of Pioneer Camp Mount Diablo; , knoll s of Pioneer Camp 762 Comment
  UC692400  Vulpia myuros var. hirsuta Mary L. Bowerman 1932-4-27 1380 Contra Costa canyon w Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC692408  Cerastium glomeratum Mary L. Bowerman 1931-3-7 545 Contra Costa Mt. Diablo, Sheep Camp Spring Comment
  UC692417  Poa secunda subsp. secunda Mary L. Bowerman 1935-4-19 2859 Contra Costa near Turtle Rock (hillside opposite side of rd); Mt Diablo 457 Comment
  UC692420  Lithophragma affine Mary L. Bowerman 1933-4-15 1852 Contra Costa canyon S of Arroyo del Cerro Comment
  UC692428  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa branch of Curry Canyon due s of Olafson's barn Mount Diablo; , branch of Curry Canyon Comment
  UC692434  Ribes menziesii Mary L. Bowerman 1935-6-1 3102 Contra Costa first minor ridge e Mitchell-Pine divide; Mount Diablo 1005 Comment
  UC692443  Epilobium torreyi Mary L. Bowerman June 1942 3847 Contra Costa lower Rock City Camp; Mount Diablo Comment
  UC692453  Epilobium canum subsp. canum Mary L. Bowerman 1930-8-24 430 Contra Costa Mitchell Canyon Mount Diablo (at lower edge of chaparral where it extends nearly to streambed) Comment
  UC692455  Epilobium minutum Mary L. Bowerman 1931-5-16 850 Contra Costa summit Mount Diablo Comment
  UC692467  Melica californica Mary L. Bowerman 1935-4-22 2883 Contra Costa ridge w Pioneer Road (w of Stage Road) (e-face of ridge); Mount Diablo 853 Comment
  UC692474  Saxifraga californica Mary L. Bowerman 1931-3-7 554 Contra Costa Mount Diablo, South road below junction Mount Diablo Comment
  UC692481  Arbutus menziesii Mary L. Bowerman 1931-3-21 598 Contra Costa Sycamore Canyon, west fork Sycamore Canyon; Mount Diablo, Sycamore Canyon 396 Comment
  UC692486  Clarkia purpurea subsp. viminea Mary L. Bowerman 1935-5-1 2928 Contra Costa 2 mi from North Gate (North Road); Mount Diablo 182 Comment
  UC692491  Clarkia affinis Mary L. Bowerman 1933-6-14 2271 Contra Costa ridge between two main forks Curry Cave Canyon; Mount Diablo Comment
  UC692496  Clarkia concinna subsp. concinna Mary L. Bowerman 1930-6-5 241 Contra Costa ca. 5 1/2 mi from North Gate (North Road); Mount Diablo 457 Comment
  UC692503  Clarkia purpurea subsp. purpurea Mary L. Bowerman 1933-7-14 2270 Contra Costa ridge between two main forks Curry-Cave Canyon; Mount Diablo Comment
  UC692505  Garrya elliptica Mary L. Bowerman 1933-3-11 1747 Contra Costa Fossil Ridge Mount Diablo (knoll s of 1778 point, of crest of hill) Comment
  UC692514  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1933-3-25 1769 Contra Costa n face of canyon near top of ridge ((approached up Diablo Stock Farm Canyon, better known as Emmons Canyon)); Mount Diablo, Pine Canyon Comment
  UC692525  Lotus micranthus Mary L. Bowerman 1933-4-22 1898 Contra Costa w of Cave Point; Mount Diablo, Inner Black Hills Comment
  UC692529  Lotus humistratus Mary L. Bowerman 1932-4-27 1394 Contra Costa canyon w Riggs Canyon (Oyster Ridge, s-face); Mount Diablo, Oyster Ridge 335 Comment
  UC692537  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1933-6-14 2276 Contra Costa e of Knob-cone Point; Mount Diablo, Inner Black Hills Comment
  UC692540  Osmorhiza brachypoda Mary L. Bowerman 1930-6-14 321 Contra Costa Mount Diablo; summit, n side Comment
  UC692548  Claytonia exigua subsp. exigua Mary L. Bowerman 1935-3-16 2732 Contra Costa Peach Tree Springs Road Mount Diablo (e fork of canyon) 228 Comment
  UC692550  Claytonia exigua subsp. exigua Mary L. Bowerman 1933-5-10 2065 Contra Costa ridge w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC692558  Crassula connata var. subsimplex Mary L. Bowerman 1932-2-28 1093 Contra Costa ridge e. of Rhine Canyon (grassy flat near saddle, Mt. Diablo); Mt. Diablo 579 Comment
  UC692577  Rhus trilobata Mary L. Bowerman 1933-6-21 2328 Contra Costa Donner Canyon; Mount Diablo Comment
  UC692602  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-1-7 1687 Contra Costa Perkins Canyon, by dirt road Mount Diablo Comment
  UC692616  Crocanthemum scoparium var. vulgare Mary L. Bowerman 1932-4-9 1332 Contra Costa from near Rock City to ridge to Wall Point; Mount Diablo Comment
  UC692622  Malva nicaeensis Mary L. Bowerman 1938-5-25 3631 Contra Costa Mount Diablo, North Road at Arroyo del Cerro (place where bank joins first bottom 7 ft from stream) Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 1097 Comment
  UC692661  Claytonia exigua subsp. glauca Mary L. Bowerman 1932-3-6 1098 Contra Costa near Black Hawk Ridge saddle; Mount Diablo Comment
  UC692666  Datisca glomerata Mary L. Bowerman 1933-6-21 2336 Contra Costa Mount Diablo, Donner Canyon Donner Canyon; Mount Diablo, Donner Canyon 335 Comment
  UC692687  Vicia americana var. americana Mary L. Bowerman 1931-3-21 589 Contra Costa Sycamore Canyon; Mount Diablo 335 Comment
  UC692697  Viola sheltonii Mary L. Bowerman 1935-5-18 3026 Contra Costa at the summit of Meridian Peak ( n of the parking area); Mount Diablo, Meridian Peak Comment
  UC69368  Salix Wm. W. Mott 1905-1-6 Contra Costa near Berkeley (n.e. corner San Pablo Ave. & McAvoy Lane) Comment
  UC69614  Delphinium patens subsp. patens H. P. Chandler 1900-3-23 Contra Costa Fish Ranch Road Region of Mount Diablo Comment
  UC69615  Delphinium parryi subsp. parryi R. C. Marsh 1900-4-5 Contra Costa Oakley Comment
  UC69634  Lotus scoparius Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC697123  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa North Road 2 mi from North Gate (se exp.); Mount Diablo 182 Comment
  UC697129  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-1 2947 Contra Costa West Road 6.7 mi from entrance, Mount Diablo West Road; Mount Diablo, West Road 640 Comment
  UC697137  Vulpia microstachys var. ciliata Mary L. Bowerman 1935-5-1 2929 Contra Costa Mount Diablo, North Road; Mount Diablo 182 Comment
  UC697140  Phalaris minor Mary L. Bowerman 1934-4-21 2533 Contra Costa Muir Area Mount Diablo (on 1931 burn); , Muir Area Comment
  UC697148  Monolopia major Mary L. Bowerman 1933-5-25 2196 Contra Costa e of saddle Osyter Ridge; Mount Diablo 396 Comment
  UC697150  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Muir area Mount Diablo (sw slope e of the rocks) Comment
  UC697158  Madia gracilis Mary L. Bowerman 1933-6-3 2241 Contra Costa Ransom Point Ridge Mount Diablo Comment
  UC697164  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1938-9-11 3713 Contra Costa where Sulphur Spring Canyon joins Curry Canyon; Mount Diablo 259 Comment
  UC697177  Centromadia fitchii Mary L. Bowerman 1936-9-17 3548 Contra Costa 2.5 mi from North Gate (North Road); Mount Diablo 243 Comment
  UC697203  Gamochaeta ustulata Mary L. Bowerman 1938-6-2 3654 Contra Costa 100 yds n Rock City Camp; Mount Diablo, Dan Cook Canyon 548 Comment
  UC697209  Erigeron foliosus var. franciscensis Mary L. Bowerman 1938-6-24 3592 Contra Costa s of firebreak Mountain House Canyon; Mount Diablo 792 Comment
  UC697214  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2012 Contra Costa near crest Fossil Ridge (on n side by side road); Mount Diablo Comment
  UC69727  Lolium multiflorum Mary L. Bowerman 1933-5-25 2199 Contra Costa Mount Diablo; Mount Diablo; Mount Diablo, Alamo Canyon; Alamo Canyon; Mount Diablo, above Wilson's barn Comment
  UC6975  Rumex crispus J. Burtt Davy 1895-4-8 977 Contra Costa Antioch Comment
  UC697792  Arctostaphylos auriculata Mary L. Bowerman 1932-9-5 1546 Contra Costa near fire trail which runs s from large spur (on meridian) heading into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UC69859  Ribes californicum H. M. Hall 1901-4-5 1758 Contra Costa Summit Mt. Diablo Region of San Francisco Bay Comment
  UC69931  Soliva sessilis Jos. Burtt Davy 1898-3-26 4188 Contra Costa near Mt. View Cemetary Comment
  UC70188  Triphysaria eriantha subsp. eriantha J. Burtt Davy May 1898 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  UC70194  Trifolium fucatum J. Burtt Davy 1898-5-1 Contra Costa Region of Mount Diablo, Danville Danville; Region of Mount Diablo, Danville Comment
  UC70201  Allenrolfea occidentalis J. Burtt Davy May 1898 Contra Costa Byron Springs Region of Mt. Diablo, Byron Springs Comment
  UC702539  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 mi w Byron (on the Marsh Creek Road) 33 Comment
  UC70569  Stachys ajugoides var. rigida Miss Carlotta Case July, 1904 Contra Costa Muir Station Comment
  UC70611  Carex densa Jos. Burtt Davy 1899-4-19 7843 Contra Costa Glorietta; Inner Coast Range Mountains Comment
  UC721201  Adenostoma fasciculatum Rogers McVaugh 1941-7-29 6169 Contra Costa 5 mi. e. Berkeley (Moraga Ridge); Moraga Ridge 304 Comment
  UC723789  Plantago elongata Joseph Andorfer Ewan 1935-3-10 9130 Contra Costa Donovan road, Kirker Pass Kirker Pass Comment
  UC73326  Sanicula tuberosa Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC73348  Rhamnus ilicifolia Milo S. Baker 1904-6-24 Contra Costa near summit of Mt. Diablo; Mt. Diablo Comment
  UC735124  Sanicula saxatilis Lincoln Constance, T. Morley, R. H. Shan, W. H. Wagner 1946-4-26 3036 Contra Costa Mount Diablo, Summit sw of lookout Mount Diablo 1158 Comment
  UC737822  Eriogonum luteolum var. luteolum R. F. Hoover 1940-11-23 4693 Contra Costa 8 mi e on Marsh Creek Road Clayton Comment
  UC756632  Elymus G. L. Stebbins Jr. 1946-6-9 3657 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  UC756651  Elymus trachycaulus G. L. Stebbins Jr. 1946-6-9 3652 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  UC761988  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  UC762084  Amsinckia lunaris R. F. Hoover 1939-4-24 4058 Contra Costa lower end of San Pablo Resevoir Comment
  UC762273  Hesperolinon breweri R. F. Hoover 1939-5-20 4106 Contra Costa head Markley Canyon Comment
  UC763071  Oenothera deltoides subsp. howellii R. F. Hoover 1937-5-14 2112 Contra Costa Antioch sand-dunes Comment
  UC763127  Lomatium dasycarpum subsp. dasycarpum R. F. Hoover 1939-4-13 4017 Contra Costa Markley Canyon, head of W branch Comment
  UC764640  Hoita macrostachya R. F. Hoover 1937-8-31 2702 Contra Costa Avon Comment
  UC767890  Calochortus pulchellus R. F. Hoover 1938-5-4 3339 Contra Costa Marsh Creek canyon Marsh Creek Comment
  UC78  Juniperus californica Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UC78558  Cryptantha microstachys C. F. Baker 1903-4-28 2810 Contra Costa Mitchells Canyon Mt. Diablo Comment
  UC7914  Claytonia perfoliata subsp. perfoliata J. Burtt Davy 1895-4-7 983 Contra Costa Antioch Comment
  UC79220  Plagiobothrys trachycarpus Katharine Brandegee May 1886 Contra Costa near Antioch Comment
  UC792333  Disporum hookeri J. A. Rattenbury 1948-3-8 96 Contra Costa on s side of road nr creek 1/2 mi e of Oakland Tunnel 213 Comment
  UC7939  Claytonia exigua subsp. exigua State Survey 1862-5-7 1059 Contra Costa Mt. Diablo Summit Comment
  UC81  Juniperus californica A. Kellogg 78 Contra Costa Mt. Diablo Comment
  UC83034  Arctostaphylos auriculata Katharine Brandegee 1889-1 Contra Costa Antioch Comment
  UC846002  Populus fremontii subsp. fremontii Lewis S. Rose 1941-3-13 41028 Contra Costa 7 mi w Byron (Marsh Creek); Marsh Creek Comment
  UC85462  Pinus sabiniana unknown Contra Costa Mt. Diablo Comment
  UC85768  Eriogonum gracile var. gracile T. S. Brandegee 1890-1 Contra Costa Mt. Diablo Comment
  UC866918  Trifolium oliganthum Lewis S. Rose 1940-4-30 40252 Contra Costa 6 mi e Clayton (Marsh Creek) 60 Comment
  UC87885  Grindelia hirsutula T. S. Brandegee June 1884 171 Contra Costa Antioch Comment
  UC87925  Lessingia glandulifera K. Brandegee 1883-1 Contra Costa Antioch Comment
  UC880995  Phacelia breweri Alice Eastwood 1915-5-30 4487 Contra Costa near type locality Mt. Diablo Comment
  UC881329  Plagiobothrys acanthocarpus Lewis S. Rose 1941-3-13 41037 Contra Costa 3 mi s Byron 9 Comment
  UC882304  Plagiobothrys bracteatus Joseph Andorfer Ewan 1936-5-24 9698 Contra Costa w slope Bald Peak; San Pablo Ridge Comment
  UC884274  Stachys ajugoides var. rigida Lewis S. Rose 1935-5-16 35172 Contra Costa Mt. Diablo Comment
  UC894085  Blennosperma nanum var. nanum Lewis S. Rose 1941-3-13 41035 Contra Costa 3 mi s of, Byron 7 Comment
  UC895381  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  UC89979  Lasthenia microglossa K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC903181  Collinsia bartsiifolia var. bartsiifolia Ethel Crum 1936-4-5 1744 Contra Costa 2 mi w Byron; South Coast Ranges 45 Comment
  UC903300  Pellaea andromedifolia Ethel Crum 1930-4-14 571 Contra Costa Mitchell Canyon; Mt Diablo Comment
  UC905257  Smilacina stellata J. A. Rattenbury 1948-3-8 94 Contra Costa 1/2 mi e Oakland Tunnel (n-facing slope on s side of hwy above creek) 213 Comment
  UC909004  Gilia clivorum Herbert L. Mason 1928-4-15 4358 Contra Costa top Moraga Ridge; top of Moraga Ridge Comment
  UC912408  Micropus californicus var. californicus Herbert L. Mason 1929-3-29 5129 Contra Costa Marsh Creek Road 2 mi e Clayton; Marsh Creek Road Comment
  UC912661  Poa howellii Herbert L. Mason 1928-4-15 4350 Contra Costa e end Moraga Ridge 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
  UC9157  Delphinium patens subsp. patens Harley P. Chandler 1901-4-5 974 Contra Costa Mount Diablo Comment
  UC921105  Polypodium calirhiza Ethel Crum 1930-4-14 570 Contra Costa Mitchell Canyon; Mt. Diablo Comment
  UC921820  Ribes malvaceum Lewis S. Rose 1941-3-22 41053 Contra Costa near summit Mt. Diablo 1188 Comment
  UC924217  Trifolium fucatum H. S. Reed 1940-4-30 356 Contra Costa Marsh Creek northeast slopes of Mount Diablo Comment
  UC932049  Linanthus ciliatus Verne Grant and Alva Grant 1948-5-15 8503 Contra Costa on Sommerville to Antioch road; Sommerville Range Comment
  UC9445  Ranunculus hebecarpus Geol. Survey 1862-1 1049 Contra Costa Mt. Diablo; foothills Comment
  UC9455  Ranunculus canus var. canus J. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  UC961415  Malacothamnus fremontii John Thomas Howell and T. H. Kearney 1950-7-5 26635 Contra Costa Nortonville Comment
  UC963965  Gilia clivorum R. F. Hoover 1938-3-25 2895 Contra Costa Markley Canyon Comment
  UC964003  Linanthus pygmaeus subsp. continentalis R. F. Hoover 1939-4-13 4020 Contra Costa w branch Head of Markley Canyon Comment
  UC971818  Limnanthes douglasii subsp. rosea Charles T. Mason Jr. 1948-3-27 1134 Contra Costa 0.1 mi s Byron Hot Springs road (along Byron-Bethany road) Comment
  UCD102387  Lomatium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 920 Comment
  UCD102388  Madia elegans Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 1000 Comment
  UCD108737  Lupinus microcarpus var. densiflorus P. B. Kennedy 1928-4-19 s.n. Contra Costa Byron Springs. Comment
  UCD109847  Trifolium willdenovii W. L. Jepson 1925-4-26 10691 Contra Costa Mt. Diablo. Comment
  UCD114997  Erysimum capitatum var. capitatum R. F. Hoover 1935-3-10 s.n. Contra Costa Antioch. Comment
  UCD115424  Sinapis arvensis R. Koch 1996-4-20 2 Contra Costa city of Danville, free space by Mt. Diablo State Park. 121 Comment
  UCD117632  Gilia achilleifolia subsp. multicaulis P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and Summit. Comment
  UCD125303  Monardella villosa P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UCD126325  Cuscuta salina M. Wiesendanger 1926-6-1 1533 Contra Costa Richmond. Comment
  UCD132123  Eriophyllum jepsonii John Thomas Howell 1950-7-5 26636 Contra Costa above Nortonville. Comment
  UCD134393  Malacothrix floccifera P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UCD139417  Dichelostemma capitatum subsp. capitatum P. B. Kennedy 1914-3-15 4631 Contra Costa Sunset Cemetery. 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
  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
  UCD150753  Calystegia sepium James A. Neilson Jr. 1972-11-2 3612 Contra Costa 2 miles NW of Concord, at intersection of Hwy 4 and Walnut Creek. 7 Comment
  UCD150882  Epilobium brachycarpum James A. Neilson Jr. 1972-11-2 3605 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UCD150884  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1972-11-9 s.n. Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UCD150889  Helminthotheca echioides James A. Neilson Jr. 1972-11-2 3606 Contra Costa Channel of Walnut Creek ca. 1 mi. north of junction with Pine Creek. Elevation estimated using Google Earth by label maker. 1 Comment
  UCD150902  Grindelia hirsutula James A. Neilson Jr. 1972-10-21 3603 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  UCD150909  Panicum capillare James A. Neilson Jr. 1972-10-22 3506 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  UCD158697  Beta vulgaris subsp. maritima James A. Neilson Jr. 1972-11-2 3613 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  UCD158710  Beta vulgaris subsp. maritima James A. Neilson Jr. 1972-11-2 3613 a Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  UCD158715  Acroptilon repens James A. Neilson Jr. 1974-8-13 3472 Contra Costa Bradford Island. (Elevation estimated using Google Earth by label maker.) 0 Comment
  UCD161764  Persicaria James A. Neilson Jr. 1972-10-22 3505 Contra Costa Walnut Creek drainage at State Highway 4. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1 Comment
  UCD163490  Stuckenia striata D. Slakey; CNPS Volunteers 2015-9-12 223 Contra Costa Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina. 0 Comment
  UCD17417  Quercus parvula var. shrevei E. Dean; with B. Ertter, J. M. Tucker, and K. Chaney 2000-9-13 653 Contra Costa California. Contra Costa County: City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., just south of junction of Heavenly Ridge Trail and Manzanita Trail, along Manzanita trail. 213 Comment
  UCD17420  Quercus garryana E. Dean; M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 656 Contra Costa California. Contra Costa County: Mount Diablo State park, Fossil Ridge, along fire road that begins at the parking lot southeast of Rock City and climbs onto Fossil Ridge in southeasterly direction, ca. 0.1 mile from Rock City, slightly downslope of road. 487 Comment
  UCD35137  Bellardia trixago Beecher Crampton 1949-6-5 468 Contra Costa near Muir. 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
  UCD36924  Hordeum brachyantherum Beecher Crampton 1956-5-14 3413 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCD37582  Aira caryophyllea Beecher Crampton 1955-4-11 2471 Contra Costa Contra Costa County, city of Richmond, vacant lot at 42nd Street and Bissell Road. Comment
  UCD38560  Leymus X multiflorus Beecher Crampton 1956-5-14 3424 Contra Costa 3.2 miles W of Martinez, on the road to Crockett. Above Suisun Bay. Comment
  UCD38575  Solanum umbelliferum Beecher Crampton 1956-5-14 3398 Contra Costa Headwaters of Marsh Creek, southeastern of Mt. Diablo. 640 Comment
  UCD38888  Artemisia californica Beecher Crampton 1959-10-19 5466 Contra Costa Mt. Diablo State Park. Comment
  UCD47071  Quercus palmeri J. M. Tucker 1981-4-25 4453 D Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  UCD47498  Quercus wislizeni John M. Tucker 1946-4-4 1392 Contra Costa Ca. 100 yards northwest of intersection of Grizzly Peak Boulevard and road to Easport, Oakland hills, Contra Costa County, California. 365 Comment
  UCD50259  Arctostaphylos auriculata H. A. Stout; T. C. Wainwright 1980-3-27 Contra Costa Mallory Ranch, ca. 1 mile east of Morgan Territory Road. 609 Comment
  UCD51724  Arctostaphylos manzanita subsp. laevigata R. W. Lundh 1932-8-17 130 Contra Costa 1 mile East of Round Valley. 518 Comment
  UCD55707  Aira caryophyllea Beecher Crampton 1955-4-11 2471 Contra Costa Richmond, vacant lots of 41st St. and Bissell. Comment
  UCD55972  Alopecurus saccatus P. B. Kennedy 1916-5-11 s.n. Contra Costa Richmond District, Grand View Terrace. Comment
  UCD55999  Ammophila arenaria Morris Halperin; Earl J. Coke 1930-5-20 s.n. Contra Costa Sand near Antioch. Comment
  UCD58246  Bromus carinatus A. A. Beetle 1942-3-22 2931 Contra Costa Brooks Island in San Francisco Bay. Comment
  UCD58299  Bromus carinatus Beecher Crampton 1956-5-14 3402 Contra Costa Southeast of Mt. Diablo. Marsh Creek. 640 Comment
  UCD58533  Bromus diandrus Beecher Crampton 1956-5-14 3409 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  UCD58641  Bromus hordeaceus Beecher Crampton 1956-5-14 3417 Contra Costa 1/2 mile northwest of Martinez. Road to Crockett. Comment
  UCD58925  Bromus laevipes P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UCD60268  Bromus Beecher Crampton 1960-3-29 5481 Contra Costa El Cerrito, corner of Lassen St. and Carlson Blvd. Comment
  UCD63196  Eragrostis curvula George W. Murray 1964-7-24 Contra Costa Along dry roadside cut, 1 to 2 miles E of Clayton, Marsh Creek Road. Comment
  UCD63814  Eragrostis mexicana subsp. virescens Beecher Crampton 1965-9-29 7531 Contra Costa 1 mile south of Oakley, Cypress Road and O' Hara Ave. Comment
  UCD66332  Festuca rubra P. B. Kennedy 1919-5-1 s.n. Contra Costa North Berkeley. Hills. Comment
  UCD77859  Microseris douglasii Robert E. Preston 1997-3-8 1018 Contra Costa Black Diamond Mines Regional Park, along Stewartsville Trail. 91 Comment
  UCD84952  California macrophylla Chuck Hughes 2010-3-31 224 Contra Costa About 0.3 mile north of Vasco Road. 357 Comment
  UCD85717  Koeleria macrantha P. M. Booth 1932-5-1 725 Contra Costa El Cerrito. Comment
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCD85839  Koeleria macrantha P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. 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
  UCD91254  Polypogon monspeliensis Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  UCD91279  Polypogon monspeliensis Beecher Crampton 1956-5-14 3412 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCR139461  Eriogonum truncatum J. T. Howell 1934-4-8 11816 Contra Costa San Francisco Bay Region, [Black Hills] 10 mi from Clayton [SE] on Marsh Creek Road 366 Comment
  UCR141655  Myriophyllum sibiricum M. R. Bell 1950-10-9 s.n. Contra Costa Near Concord, farm of E.J. Mangini Comment
  UCR142470  Solanum umbelliferum Dr. H. de Forest 1930-4-6 s.n. Contra Costa San Francisco Bay Region, SE of Nortonville, SW of Antioch, east of Concord 274 Comment
  UCR152069  Leptochloa uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 mi south of Brentwood, along Vasco Road, just N of its junction with Mount Diablo Road 40 Comment
  UCR152271  Bromus carinatus Beecher Crampton 1960-3-29 5481 Contra Costa city of El Cerrito, corner of Carlson Blvd. and Lassen St. 5 Comment
  UCR184664  Hemizonia pungens subsp. pungens Dean Kelch 2005-11-23 06 .507 Contra Costa Point Molate 5 Comment
  UCR196232  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Concord Valley, between Hwy 4 and Buchanan Field (airport) 15 Comment
  UCR197895  Navarretia pubescens Beecher Crampton 1949-9-11 493 Contra Costa Mount Diablo State Park, below main road, opposite Oak Knoll Picnic area 518 Comment
  UCR197916  Amsinckia Beecher Crampton 1950-4-22 522 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  UCR247487  Quercus chrysolepis Dean Kelch 2011-5-4 11 .224 Contra Costa Central Coast, near Morgan Territory Regional Park, west of Morgan Territory Road 610 Comment
  UCR254745  Crypsis schoenoides Peter Rubtzoff 1968-9-18 5964 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  UCR260816  Centranthus ruber D. Finley 1998-5-25 4- 01 Contra Costa San Francisco Bay Region, Highway 24 east, 1/8 road mile east of the Caldecott Tunnel, west side of freeway 305 Comment
  UCR263529  Panicum capillare Barbara Ertter, Lisa M. Schultheis 1996-9-2 15283 Contra Costa South Gate Road, south side of Mount Diablo, not far inside park entrance near base of mountain 500 Comment
  UCR263530  Eriogonum gracile Barbara Ertter, Tony Morosco 1996-7-27 15040 Contra Costa north side of Mount Diablo south of Clayton, where Cardinet Oaks Road crosses Donner Creek 335 Comment
  UCR263535  Eleocharis macrostachya Barbara Ertter 1998-5-3 16062 Contra Costa Central Coast, area of Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo, below road southeast of ponds 305 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
  UCR263555  Coronopus didymus Barbara Ertter 1990-5-15 8991 Contra Costa San Francisco Bay Region, South El Cerrito, north foot of Albany Hill at end of Yosemite Avenue cul-de-sac 4 Comment
  UCR265174  Salpichroa rhomboidea Barbara Ertter 1991-5-12 9818 Contra Costa Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh. 4 Comment
  UCR265179  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh. 4 Comment
  UCR81450  Tropidocarpum capparideum Edward L. Greene 1888-3-25 s.n. Contra Costa Byron Springs 107 Comment
  UCSB24742  Cynoglossum grande Rieser, R. 1966-4-2 Contra Costa 100 ft. north of Eagles Point, Sleepy Hollow, Orinda 396 Comment
  UCSC000312  Cardamine californica var. californica Bill Knittle 1983-4-13 s.n. Contra Costa Mt. Diablo, Marsh Creek Comment
  UCSC008846  Quercus kelloggii Al Keuter 2014-5-23 AK 00 -096 Contra Costa Along Bear Creek Road at San Pablo Creek. 91 Comment
  CAS-BOT-BC10011  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-4-8 11824 Contra Costa South of Antioch Comment
  CAS-BOT-BC102307  Juglans hindsii Mary L. Bowerman 1936-5-6 3412 Contra Costa Mitchell Canyon floor 259 Comment
  CAS-BOT-BC104085  Salix hindsiana Mary L. Bowerman 1936-5-6 3412 a Contra Costa Mitchell Canyon 152 Comment
  CAS-BOT-BC109898  Juncus Walter Knight; Lawrence Heckard; Bert Johnson 1978-9-28 3276 Contra Costa Sierra Nevada. Browns Island, Alder Point. Comment
  CAS-BOT-BC111484  Schoenoplectus americanus Barrett Anderson 1987-7-23 3561 Contra Costa Building site on San Pablo Road at Gerrity Creek, Pinole. 45 Comment
  CAS-BOT-BC112218  Eleocharis rostellata Miss Mary Leolin Bowerman 1967-7-19 37175 Contra Costa NW end of Shell Ridge, just S of the highway (Heather Farm), by sulphurous stream. Comment
  CAS-BOT-BC112795  Eleocharis macrostachya Walter Knight; Irja Knight 1978-10-9 3320 Contra Costa Contra Loma Regional Park, Antioch, at reservoir's edge Comment
  CAS-BOT-BC119015  Carex pellita Miss Mary Leolin Bowerman 1935-5-16 3000 Contra Costa Russelmann Park road at Gregory Ranch junction. 289 Comment
  CAS-BOT-BC123704  Grindelia camporum var. parviflora John Thomas Howell 1930-9-28 5496 Contra Costa Liberty School on Marsh Creek Road Comment
  CAS-BOT-BC129598  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-11-19 1650 Contra Costa Pioneer Camp: along stream from the spring - Mount Diablo Comment
  CAS-BOT-BC129600  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1931-4-11 701 Contra Costa Mouth of Pine Canyon, on bank of dry stream bed - Mount Diablo Comment
  CAS-BOT-BC129915  Salix bonplandiana Mary L. Bowerman 1933-3-25 1760 Contra Costa Canyon back of Diablo Stock Farm (Stone Valley), in streambed - Mount Diablo Comment
  CAS-BOT-BC129917  Salix bonplandiana Mary L. Bowerman 1931-3-1 529 Contra Costa Mount Diablo - near North Entrance Comment
  CAS-BOT-BC129919  Salix bonplandiana Mary L. Bowerman 1933-5-10 2067 Contra Costa Mount Diablo - spring on ridge below Indian Ceremonial Spring 975 Comment
  CAS-BOT-BC130198  Fritillaria agrestis Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10574 Contra Costa 6.3 miles w. of Byron Comment
  CAS-BOT-BC140362  Oemleria cerasiformis Volney Rattan 1883-4-1 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC148642  Ptelea crenulata H. E. McMinn 1922-6-2 95 Contra Costa In ravine on north slope of Mt. Diablo Comment
  CAS-BOT-BC151202  Prunus virginiana var. demissa Mary L. Bowerman 1933-5-21 2148 a Contra Costa Grape Spring (south from Curry Canyon), fifteen feet from surface of water - Mount Diablo Comment
  CAS-BOT-BC154334  Phacelia phacelioides Lincoln Constance; Carl W. Sharsmith; Howard S. Reed 1940-4-27 2574 Contra Costa Northy of Juniper Camp, Mount Diablo 762 Comment
  CAS-BOT-BC161950  Bromus rubens R. E. Frenkel 1964-3-26 406 Contra Costa On north side of Highland Road, 0.25 mile east of Tassajara Road junction. 195 Comment
  CAS-BOT-BC162565  Clarkia affinis John Thomas Howell 1931-5-12 6483 Contra Costa North side of Mt. Diablo Comment
  CAS-BOT-BC163603  Clarkia biloba subsp. biloba C. L. Hitchcock 1928-6-5 15 Contra Costa Between Port Costa and Crockett, 1 mile west of Port Costa 5 Comment
  CAS-BOT-BC163673  Clarkia purpurea subsp. quadrivulnera L. R. Abrams 1921-5-26 8048 Contra Costa At spring 4 1/2 mi from Summit, Mt. Diablo Comment
  CAS-BOT-BC165036  Clarkia rubicunda Rimo Bacigalupi s.n. Contra Costa Head of Bear Creek Valley, northern Contra Costa Co. Comment
  CAS-BOT-BC166161  Epilobium canum subsp. canum E. M. Zeile 1921-10-1 40 Contra Costa Vallejo Junction Comment
  CAS-BOT-BC166163  Epilobium canum subsp. canum L. R. Abrams 1910-10-8 4338 Contra Costa Mt. Diablo near Wall Pt. 457 Comment
  CAS-BOT-BC166168  Epilobium canum subsp. canum H. E. McMinn 92 Contra Costa From n. slope of Mt. Diablo near the summit Comment
  CAS-BOT-BC167432  Hesperolinon breweri Mrs. K. Brandegee 1907-6-16 s.n. Contra Costa Hills between Anioch and Marsh Creek, on the easterly side of Mt. Diablo Comment
  CAS-BOT-BC167436  Hesperolinon breweri Volney Rattan 1886-6-1 s.n. Contra Costa Mount Diablo. Near Marsh's Ranch Comment
  CAS-BOT-BC172938  Toxicodendron diversilobum B. Lacoste 1920-10-1 s.n. Contra Costa On hill slope by Lake Aliso Comment
  CAS-BOT-BC183081  Vulpia microstachys var. ciliata Mary L. Bowerman 1935-5-18 3033 Contra Costa North of the summit parking area 1066 Comment
  CAS-BOT-BC184186  Vulpia microstachys var. pauciflora Mary L. Bowerman 1935-4-26 2912 Contra Costa West of Indian Ceremonial Spring 1005 Comment
  CAS-BOT-BC185034  Calamagrostis rubescens Virginia E. Long 1933-6-14 222 a Contra Costa Mount Diablo. Inner Black Hills. 563 Comment
  CAS-BOT-BC190027  Cortaderia selloana Wm. Anderson 1959-10-1 s.n. Contra Costa On Montezuma Slough near Suisun. Comment
  CAS-BOT-BC190082  Crypsis schoenoides R. E. Frenkel 1964-9-17 863 Contra Costa On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir. 45 Comment
  CAS-BOT-BC197424  Thinopyrum ponticum T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 mi s.e. of Byron Comment
  CAS-BOT-BC198757  Vulpia bromoides Mary L. Bowerman 1933-4-15 1872 Contra Costa Canyon south of Arroyo del Cerro, rocky knoll 250 feet below spring - Mount Diablo Comment
  CAS-BOT-BC200695  Rhus aromatica Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10625 Contra Costa Curry Canyon, 4.0 mi. s. of Recreation Ground Comment
  CAS-BOT-BC201370  Lupinus albifrons var. albifrons A. A. Heller 1928-4-15 14517 Contra Costa Along the San Joaquin River at Antiock [Antioch] Comment
  CAS-BOT-BC202277  Pickeringia montana var. montana W. W. Carruth 1891-5-1 s.n. Contra Costa Moraga Valley Comment
  CAS-BOT-BC202303  Prosopis glandulosa var. torreyana Walter Knight; Irja Knight 1968-9-25 2251 a Contra Costa North entrance Contra Loma Regional Park, west side of road Comment
  CAS-BOT-BC210452  Cornus sericea subsp. occidentalis John Thomas Howell 1925-11-7 1559 Contra Costa San Leandro Canyon near Canyon Station Comment
  CAS-BOT-BC215738  Lepechinia calycina H. E. McMinn 1922-6-2 99 Contra Costa Road side leading up to Mt. Diablo Comment
  CAS-BOT-BC222221  Amsinckia John Thomas Howell 1934-4-8 11814 Contra Costa 7 miles from Clayton on road to Livermore Comment
  CAS-BOT-BC222223  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2143 Contra Costa At Antioch Comment
  CAS-BOT-BC222228  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2141 Contra Costa Somersville Comment
  CAS-BOT-BC222231  Amsinckia John Thomas Howell 1933-3-29 10916 Contra Costa Pittsburg Comment
  CAS-BOT-BC222233  Amsinckia John Thomas Howell 1933-3-29 10908 Contra Costa Nortonville hills Comment
  CAS-BOT-BC222902  Cephalanthus occidentalis Virginia I. Dains; Walter Knight 1986-8-8 5465 Contra Costa Jct Rock S1 & Werner Cut Comment
  CAS-BOT-BC23590  Arctostaphylos crustacea Walter Knight; Irja Knight 1980-3-16 3715 Contra Costa Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch road. Comment
  CAS-BOT-BC236385  Poa secunda subsp. secunda Mary L. Bowerman 1935-5-18 3028 Contra Costa Mount Diablo. N of the summit parking area 1036 Comment
  CAS-BOT-BC236610  Spartina foliosa Richard W. Pohl 1952-9-9 7198 Contra Costa Along San Francisco Bay, El Cerrito Comment
  CAS-BOT-BC246648  Poa howellii Mary L. Bowerman 1933-5-21 2148 Contra Costa Mount Diablo. Below Grape Spring (south from Curry Canyon) Comment
  CAS-BOT-BC253783  Panicum hillmanii Walter Knight 1977-7-10 s.n. Contra Costa East Bay Regional Park District. Along Lafayette-Moraga Regional Trail. Intersection of Foye Street, Lafayette Comment
  CAS-BOT-BC259905  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa Mount Diablo. Oyster Ridge, canyon W of Riggs Canyon 335 Comment
  CAS-BOT-BC260947  Pleuropogon californicus var. californicus Peter Kamb; Francia Chisaki; Galen Smith 1951-4-14 1978 Contra Costa Margins of small pond 0.2 miles south of junction of Highways 4 and 21, 7 miles north of Walnut Creek Comment
  CAS-BOT-BC267114  Potamogeton Walter Knight; L. R. Heckard; B. Johnson 1978-9-28 3273 Contra Costa Mouth of Crooked Slough, Browns Island Comment
  CAS-BOT-BC268910  Eriogonum nudum var. auriculatum W. H. Brewer 1861-9-25 841 Contra Costa Near Monte [Mount] Diablo, Mission San Jose Comment
  CAS-BOT-BC269558  Symphoricarpos albus var. laevigatus Mary L. Bowerman 1930-8-24 419 Contra Costa Mount Diablo. Mitchell Canyon, little above end of road Comment
  CAS-BOT-BC272213  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Inner Black Hills west of the meridian, Mount Diablo Comment
  CAS-BOT-BC273613  Koeleria pyramidata Mary L. Bowerman 1933-5-3 1983 Contra Costa Mount Diablo. Indian Ceremonial Canyon 731 Comment
  CAS-BOT-BC273931  Leptochloa fusca subsp. fascicularis John Thomas Howell; Gordon H. True 1972-6-29 48944 Contra Costa Along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  CAS-BOT-BC279183  Centromadia pungens subsp. pungens H. M. Hall 1930-6-18 12796 Contra Costa Briones Valley Comment
  CAS-BOT-BC279188  Centromadia pungens subsp. pungens David D. Keck 1933-11-2 2617 Contra Costa 2.4 mi. E. of Antioch on road to Oakley, N. Contra Costa County Comment
  CAS-BOT-BC279190  Centromadia pungens subsp. pungens A. A. Heller 1928-4-15 14487 Contra Costa About Byron Springs Comment
  CAS-BOT-BC279202  Centromadia pungens subsp. pungens Volney Rattan 1886-6-15 s.n. Contra Costa Pacheco Valley Comment
  CAS-BOT-BC281805  Carduus tenuiflorus John Thomas Howell 1933-5-21 11323 Contra Costa San Pablo Comment
  CAS-BOT-BC282610  Gastridium phleoides Mary L. Bowerman 1933-6-14 2272 Contra Costa Ridge between two main forks, Curry-Cave Canyon, Mount Diablo Comment
  CAS-BOT-BC284777  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-4-15 1845 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  CAS-BOT-BC288882  Centromadia parryi subsp. congdonii H. M. Hall 1916-10-14 10283 Contra Costa Pacheco Comment
  CAS-BOT-BC291805  Deinandra lobbii H. M. Hall 1930-6-18 12791 Contra Costa South of Pittsburg Comment
  CAS-BOT-BC291807  Deinandra lobbii H. M. Hall 1930-6-18 12792 Contra Costa Somerville [Somersville], hills south of Pittsburg Comment
  CAS-BOT-BC291809  Deinandra lobbii David D. Keck 1933-11-2 2615 Contra Costa 1 mi. E. of Nichols, N. Contra Costa County Comment
  CAS-BOT-BC291812  Deinandra lobbii Elsie M. Zeile 1921-9-17 s.n. Contra Costa Rodeo Comment
  CAS-BOT-BC294020  Deinandra kelloggii John Thomas Howell 1930-9-28 5505 Contra Costa 3.2 miles from Byron on Marsh Creek Road Comment
  CAS-BOT-BC295955  Erigeron philadelphicus Mary L. Bowerman 1935-5-16 2998 Contra Costa Mount Diablo. Russelman [Russellmann] Park road at Gregory Ranch junction 289 Comment
  CAS-BOT-BC304579  Gutierrezia californica John Thomas Howell 1929-9-21 4394 Contra Costa Marsh Creek Road 10 1/2 miles se. of Clayton Comment
  CAS-BOT-BC305874  Helminthotheca echioides Mary L. Bowerman 1936-10-24 3583 Contra Costa Mount Diablo. North Road, beneath two-story house 131 Comment
  CAS-BOT-BC306264  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; Neil Havlik; Jim Silliman 1979-10-7 3434 Contra Costa Point Pinole Regional Shoreline Comment
  CAS-BOT-BC306372  Helenium bigelovii Walter Knight 1979-6-15 3391 Contra Costa Browns Island. Crooked Slough Comment
  CAS-BOT-BC311406  Hypochaeris radicata Goodwin; Bellue 1932-5-6 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC314855  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley west of Sycamore Creek, Mount Diablo Comment
  CAS-BOT-BC314859  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-7-7 1740 Contra Costa 10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County Comment
  CAS-BOT-BC314861  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley west of Sycamore Creek, Mount Diablo Comment
  CAS-BOT-BC314863  Hemizonia congesta subsp. luzulifolia Chas. M. Belshaw 1936-10-26 2722 Contra Costa Near Walnut Creek, Coast Ranges Comment
  CAS-BOT-BC318824  Heterotheca grandiflora A. j. Soares 1925-11-1 s.n. Contra Costa Hayward Comment
  CAS-BOT-BC320242  Holocarpha obconica David D. Keck 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  CAS-BOT-BC320332  Holocarpha virgata F. R. Lawson 1930-7-18 s.n. Contra Costa 2.4 mi. west of Concord Comment
  CAS-BOT-BC324114  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324613  Holocarpha virgata David D. Keck 1933-11-2 2624 Contra Costa 5 miles east of Clayton on Marsh Creek Road just opposite Mt. Diablo Comment
  CAS-BOT-BC324754  Iva axillaris J. W. Congdon 1893-7-30 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC325844  Holocarpha heermannii David D. Keck 1933-10-28 2605 Contra Costa 4.5 mi. SE of Martinez on road to Pacheco Comment
  CAS-BOT-BC331616  Acer macrophyllum W. W. Carruth 1901-3-1 s.n. Contra Costa Pine Canon, Mt. Diablo Comment
  CAS-BOT-BC33739  Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Antioch Dunes (USFWS National Wildlife Refuge) Comment
  CAS-BOT-BC337973  Lasthenia californica Niall McCarten; V. I. Dains 1986-1-1 03231522 40 Contra Costa W of Camino Diablo & Kellogg Creek, East Contra Costa County Comment
  CAS-BOT-BC342346  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills Comment
  CAS-BOT-BC343579  Madia sativa David D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road, 1/4 mi. W. of East portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC348046  Matricaria discoidea R. E. Frenkel 1963-12-4 305 Contra Costa In walnut orchard on Marsh Creek Road, west of Sellers Road Comment
  CAS-BOT-BC348669  Microseris acuminata K. L. Chambers 1953-4-25 450 Contra Costa Balfour Rd., ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road. (Deer Valley Road.) Comment
  CAS-BOT-BC348788  Microseris campestris Niall McCarten; V. I. Dains 1986-1-1 03231522 41 Contra Costa Ecos East Contra Costa County. W of Camino Diablo & Kellogg Creek Comment
  CAS-BOT-BC34931  Carex densa Mary L. Bowerman 1938-6-14 3682 Contra Costa Mount Diablo. Willow Spring (near road). 701 Comment
  CAS-BOT-BC353326  Lasthenia fremontii Niall McCarten; V. I. Dains 1986-1-1 23 Contra Costa Grassland, W of Camino Diablo & Keloogg Creek. Comment
  CAS-BOT-BC353332  Lasthenia fremontii Peter H. Raven; H. L. Mason; et al. 1957-4-4 10587 Contra Costa Vernal flats 3 miles S of Byron. Comment
  CAS-BOT-BC356116  Pluchea odorata Virginia I. Dains; Walter Knight 1986-8-8 5497 Contra Costa Antioch Comment
  CAS-BOT-BC356972  Pseudognaphalium luteoalbum Walter Knight 1977-7-20 s.n. Contra Costa East Bay Regional Park District. On Briones Ridge at about 1,000 ft elev. Briones Regional Park 304 Comment
  CAS-BOT-BC361416  Polypogon Peter Rubtzoff 1968-9-18 5965 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  CAS-BOT-BC363701  Senecio hydrophilus Walter Knight; I. Knight; J. T. Howell; E. McClintock; et al 1978-9-5 3228 Contra Costa Botany Cove Area. Browns Island Comment
  CAS-BOT-BC366306  Lasthenia minor J. T. Howell 1933-3-29 10895 Contra Costa Nortonville Comment
  CAS-BOT-BC374741  Sonchus oleraceus Walter Knight 1965-3-1 s.n. Contra Costa Antioch dunes Comment
  CAS-BOT-BC378938  Ranunculus californicus var. californicus Ynes Mexia 1929-4-21 2377 Contra Costa Moraga Valley Comment
  CAS-BOT-BC383683  Xanthium strumarium Walter Knight; Frank Almeda; Joanne Dean; Bob Doyle 1978-10-11 s.n. Contra Costa Browns Island. South Landing Comment
  CAS-BOT-BC392090  Aquilegia formosa Mary L. Bowerman 1931-5-19 870 Contra Costa Mount Diablo. Donner Canyon (Main, east branch) just above first fork Comment
  CAS-BOT-BC400401  Aristolochia californica Wm. M. Canby 1894-3-1 s.n. Contra Costa Walnut Creek Comment
  CAS-BOT-BC403790  Hesperocnide tenella Peter Rubtzoff 1980-6-2 9451 Contra Costa U.C. Russell Evergreen Tree Farm (on Happy Valley Road ca. 3.5 miles northwest of Mt. Diablo Blvd in Lafayette and ca. 0.5 mile southeast of Bear Creek Road junction Comment
  CAS-BOT-BC40485  Caulanthus lasiophyllus Bolander 1863-1-1 368 Contra Costa San Pablo Landing. Comment
  CAS-BOT-BC41039  Caulanthus flavescens Reed Clark Rollins 1946-3-25 3046 Contra Costa Western slope of Mount Diablo. Comment
  CAS-BOT-BC421736  Rumex conglomeratus Walter Knight 1979-6-15 3379 Contra Costa Botany Cove, Browns Island. Comment
  CAS-BOT-BC421866  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa Mount Diablo. Road above Indian Ceremonial Spring: Roadbank at hairpin turn. Comment
  CAS-BOT-BC422500  Hesperomecon linearis Walter Knight; Irja Knight 1977-6-13 s.n. Contra Costa Antioch sand dunes, Little Corral site, Wilber Avenue. Comment
  CAS-BOT-BC427569  Crassula aquatica Virginia I. Dains; Walter Knight 1986-8-8 5459 Contra Costa Jct Rock S1 & Werner Cut, Ecos East Contra Costa County Comment
  CAS-BOT-BC439169  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-12 1082 Contra Costa Monte [Mount] Diablo Comment
  CAS-BOT-BC439929  Claytonia perfoliata subsp. mexicana John Thomas Howell 1933-5-14 11251 Contra Costa Hills east of St. Mary's Comment
  CAS-BOT-BC444385  Lewisia rediviva Paul F. Covel 1940-5-12 s.n. Contra Costa Summit, Mt. Diablo Comment
  CAS-BOT-BC447664  Aphanes arvensis Mary L. Bowerman 1931-3-29 620 Contra Costa Mount Diablo, East Cave Point ridge, Comment
  CAS-BOT-BC469115  Allium falcifolium John Thomas Howell 1941-4-6 16179 Contra Costa Ridge east of Deer Flat, Mt. Diablo Comment
  CAS-BOT-BC475528  Allium serra Alice Eastwood 1923-5-4 11730 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475531  Allium serra Alice Eastwood; John Thomas Howell 1936-4-19 2135 Contra Costa Nortonville Comment
  CAS-BOT-BC475533  Allium serra W. W. Carruth 1902-4-29 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475538  Allium serra Mary L. Bowerman 1930-6-18 338 Contra Costa Rock City Canyon; Mount Diablo Comment
  CAS-BOT-BC478832  Asparagus officinalis Walter Knight; Joanne Dean 1978-8-14 3128 Contra Costa Brown's Island Comment
  CAS-BOT-BC484265  Brodiaea elegans subsp. elegans J. Bauer 1851-11-1 s.n Contra Costa Mt. Diablo (handwriting inlegible) Comment
  CAS-BOT-BC492125  Calochortus amabilis I. Williams 1920-4-29 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC502954  Orobanche vallicola A. D. E. Elmer 1903-7-1 4958 Contra Costa Mount Diablo Comment
  CAS-BOT-BC70862  Dryopteris arguta R. Bacigalupi 1922-9-24 s.n. Contra Costa Mitchell Canyon of Mt. Diablo 213 Comment
  CAS-BOT-BC70863  Dryopteris arguta D. E. Breedlove 1970-4-18 17443 Contra Costa north edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC76719  Polystichum lemmonii C. G. Pringle 1881-8-19 s.n. Contra Costa Mountains about eh head waters of the Sacramento River Comment
  CAS-BOT-BC83290  Myosurus minimus Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC88706  Lepidium acutidens Lewis S. Rose 1933-3-29 33041 Contra Costa Nortonville. Comment
  CAS-BOT-BC97699  Symphyotrichum chilense Elizabeth McClintock; Stephen Rae 1978-8-3 s.n. Contra Costa Suisun Bay, Antioch Comment
  CAS-BOT-BC98767  Baccharis douglasii Elizabeth McClintock; Stephen Rae 1978-8-3 s.n. Contra Costa Near edge of water Suisun Ray - Antioch Comment
  CDA19886  Cirsium cymosum J. Vargas 2002-6-4 PDR P 099530 Contra Costa Northern California; Sin. loc. 0 Comment
  CDA20041  Quercus X morehus T. Young 2002-9-2 s.n. Contra Costa San Francisco Bay Area; Small stand of 5-6 trees in northern Orinda surrounded by Q. lobata and Q. agrifolia. 0 Comment
  CDA2797  Polygonum cuspidatum G. D. Barbe 1975-10-29 2101 Contra Costa Bank of Lafayette Creek, Mt. Diablo Blvd. at Village Center, Lafayette 0 Comment
  CDA28826  Gnaphalium stramineum D. G. Kelch, Abigail Moore, Jessica Kolman 2009-5-3 9 .317 Contra Costa Carquinez Strait; W of 5th St Prairie, Crockett. 0 Comment
  CDA32513  Melica imperfecta A. A. Beetle 1941-3-28 Contra Costa Near Orinda 0 Comment
  CDA33832  Linanthus ciliatus D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .108 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  CDA33841  Galium andrewsii subsp. gatense D. G. Kelch 2010-5-15 10 .119 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  CDA33846  Erysimum capitatum D. G. Kelch 2010-5-15 10 .116 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  CDA33885  Layia platyglossa D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .104 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  CDA33908  Sesbania punicea Guise/Duarte 2008-9-17 PDR# 1454087 Contra Costa Concord; East Olivera Rd., 1/4 mile north of Salvio St. 0 Comment
  CDA34969  Asparagus asparagoides Barbara Ertter 1991-1-21 9715 Contra Costa El Cerrito, in southwest corner of county; northeast corner of Point Isabel Regional Shoreline, along abandoned railroad right-of-way. 0 Comment
  CDA38330  Eryngium armatum Chas. Lasser 1960-4-21 s.n. Contra Costa Pittsburg. 0 Comment
  CDA3865  Sisymbrium altissimum R. DeBoer, J. Moon 1961-4-18 Contra Costa Railroad yard, 101 Garrard Boulevard, Richmond. 0 Comment
  CDA4740  Tribulus terrestris T. C. Fuller 1961-9-13 6999 Contra Costa South of Highway 4, 0.1 miles west of Antioch Bridge Road, 2 miles west of Oakley. 0 Comment
  CDA4842  Euphorbia oblongata Margaret Bellue, A. Seeley Jun 1955 Contra Costa Highway 4, near Concord. 0 Comment
  CDA6723  Ambrosia trifida J. Clark, C. Beutler 1976-9-1 Contra Costa 2161 Youngs Court, Walnut Creek. 0 Comment
  CDA7515  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. Comment
  CDA9196  Eryngium jepsonii Christopher Thayer 2000-5-26 s.n. Contra Costa On moist, grassy slope just south of boundary of Rossmoor. Lucas Ranch, Lafayette. 0 Comment
  CHSC118029  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek. 396 Comment
  HSC19785  Galium aparine Greg Bos 1963-4-20 86 Contra Costa Pinole Valley Rd., SE of Pinole Flat Meadow area 76 Comment
  HSC22055  Dichelostemma capitatum subsp. capitatum B. Dwelley 1966-4-6 13 Contra Costa 2 mi. S on Deer Valley Rd., 5 mi. S of Brentwood 37 Comment
  HSC6009  Matricaria discoidea D. A. Shally 1965-4-18 36 Contra Costa Canyon 1 mi. N of Canyon Store Comment
  HSC83431  Euphorbia oblongata William E. Davis 1981-4-23 Contra Costa Martinez, along Franklin Creek in John Muir National Historic Site. Comment
  IRVC19819  Ambrosia psilostachya var. californica J. Powell 1977-12-11 1345 Contra Costa 1mile E of Antioch. Comment
  JEPS103959  Eriastrum abramsii David Gowen 2003-7-2 12 Contra Costa E of Clayton (edge of fire road and on trail that follows shoulder of ridge (above Chaparral Spring) easterly; N of Marsh Creek Road; Clayton Quadrangle, eastern edge) 487 Comment
  JEPS105699  Vicia hassei David Gowen 2004-3-28 20 Contra Costa Black Diamond Mines Regional Preserve.River View Loop trail southeast of the Arata Overlook trail junction. Comment
  JEPS108320  Athysanus pusillus David Gowen 2005-2-23 168 Contra Costa Mt. Diablo State Park. Juniper Trail just south of Silver Spring. Comment
  JEPS108353  Collinsia sparsiflora David Gowen 2005-3-31 221 Contra Costa Sibley Regional Preserve. East facing slope just east of Park boundary near dirt road that heads northeast. Comment
  JEPS111069  Lupinus bicolor Lee Echols 2003-4-1 s.n. Contra Costa N of Lark Drive in SE portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  JEPS111072  Lupinus formosus var. formosus Lee Echols 2003-5-5 s.n. Contra Costa N of Lark Drive in N portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  JEPS116790  Pentachaeta alsinoides David Gowen 2006-6-14 610 Contra Costa Morgan Territory Regional Park; At the NW end of Eagle Trail. Comment
  JEPS116944  Mimulus latidens David Gowen 2008-4-16 862 Contra Costa Just south of parking area for Black Diamond Mines Regional Preserve on Frederickson Road. Comment
  JEPS116945  Microseris sylvatica David Gowen 2008-4-16 861 Contra Costa West end of Horse Valley. Comment
  JEPS123197  Plagiobothrys bracteatus David Gowen 2009-5-12 1022 Contra Costa East of Las Trampas Ridge on Sulpher Springs Trail where it runs along the valley bottom. Comment
  JEPS123331  Layia hieracioides David Gowen with Chris Thayer 2010-4-30 1092 Contra Costa North of Briones Reservoir. West side of Oursan Trail, about midway between junction with Hampton Trail and north end of the dam. Comment
  JEPS3142  Nemophila heterophylla Mary L. Bowerman 1931-3-7 556 Contra Costa Sloan Road w Sloan Ranch (Mount Diablo); , Sloan Road w of Sloan Ranch Comment
  JEPS60666  Ranunculus californicus W. L. Jepson 1923-4-22 9871 Contra Costa Mt. Diablo; deep canyon side Comment
  JEPS6335  Collinsia sparsiflora var. collina Mary L. Bowerman 1932-3-12 1112 Contra Costa Alamo Canyon. 365 Comment
  JEPS78983  Lupinus microcarpus var. microcarpus Edward Lee with Annetta Carter 1935-6-13 1430 Contra Costa Panhandle Boulevard south Richmond; , Panhandle Boulevard Comment
  JEPS99485  Helianthus gracilentus Mary Bowerman 1995-5-21 Contra Costa Mount Diblo. Wall Pt. Trail ca. 1/2 mi. E of Wall Pt. Comment
  JEPS99491  Nuttallanthus texanus Mary Bowerman 1995-5-28 Contra Costa Mount Diablo, Knoll 1000' N of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire road half encircles it on W side. Comment
  JEPS99580  Stellaria nitens Mary Bowerman 1978-5-14 Contra Costa Mount Diablo, E. side of Eagle Peak, old mines trail. Area of Aug 1977 burn. Comment
  JEPS99591  Plagiobothrys trachycarpus Mary Bowerman March 1979 Contra Costa Mount Diablo, Shell Ridge, ca. 3/8 mi. southernly from 884 (ft summit). Near fire road above cattle pond [unreadable] EBRPD-Foothills Reg. Park. 213 Comment
  LA203046  Baccharis glutinosa Joseph Andorfer Ewan; 1936-8-30 10119 Contra Costa Shasta road, W rim Wildcat Canyon Comment
  LA203600  Eriophyllum lanatum var. achilleoides Lincoln Constance; 1933-6-25 E 94 Contra Costa Mount Diablo, near the southeastern base Comment
  LA204363  Erysimum capitatum var. capitatum Herbert L. Mason; 1933-4-9 7189 Contra Costa E of Antioch along San Joaquin River 12 Comment
  LA209793  Dirca occidentalis Joseph Andorfer Ewan; 1936-4-15 9444 -a Contra Costa NE side Bald Peak, San Pablo Ridge Comment
  LA210513  Blennosperma nanum var. nanum Annetta M. Carter; 1937-3-28 1225 Contra Costa Marsh Creek Rd, 15 mi E of Concord 152 Comment
  LA42141  Arctostaphylos auriculata Lewis S. Rose; 1934-2-28 34039 Contra Costa Mt. Diablo, 8 mi. NE Danville Comment
  LA45413  Clarkia concinna Joseph Andorfer Ewan; 1934-5-20 8932 Contra Costa Mt. Diablo, Russelmann Park Comment
  LA46177  Stylomecon heterophylla J. A. Ewan; 1935-5-26 9301 Contra Costa Bald Peak, San Pablo Ridge 548 Comment
  NY21017  Juniperus californica L. S. Rose 1934-2-28 34043 Contra Costa W slope of Mt Diablo Comment
  NY353467  Ranunculus hesperoxys E. L. Greene 1887-4-16 s.n. Contra Costa Comment
  OBI16037  Holocarpha virgata subsp. virgata Robert F. Hoover 1965-9-24 9648 Contra Costa W of Byron, E of Kellogg Crk Comment
  OBI16390  Grindelia camporum Robert F. Hoover 1966-8-31 9945 Contra Costa 1.5 mi E of Danville, at jctn of Tassajara and Freitas Rds. Comment
  OBI22928  Croton setiger Janet Harford 1971-11-6 2 Contra Costa Mount Diablo, S side 610 Comment
  OBI37081  Baccharis pilularis Calvin Craig 1983-11-5 20 Contra Costa Colelcted on North east side of Mt. Diablo Comment
  OBI48583  Hesperevax caulescens Joseph Andorfer Ewan 1936-5-3 9496 Contra Costa Wildcat crk near Orinda road bridge Comment
  OBI48824  Achyrachaena mollis Joseph Andorfer Ewan 1935-5-26 9312 Contra Costa E slope Bald Peak, San Pablo Ridge 549 Comment
  OBI73070  Cynara cardunculus subsp. flavescens David J. Keil, with Barbara Ertter et al. 2000-6-18 28817 Contra Costa Mount Diablo State Park. North Gate Road. Ca. 0.5 miles south of park boundary 195 Comment
  PASA1924  Bowlesia lobata Annetta Carter 1929-3-31 Contra Costa Hills north on Mt. Diablo. Near Clayton Comment
  PASA252  Trifolium tridentatum Annetta Carter 1929-3-31 Contra Costa Hills north of Mt. Diablo, near Clayton Comment
  PGM3951  Trifolium depauperatum var. depauperatum Vern Yadon 1998-4-26 Contra Costa Byron Hot Springs Rd near Airport, 1/4 mi fr end of Byron Hot Springs Rd Comment
  POM132574  Lomatium caruifolium C. F. Baker 1908-4-27 2800 Contra Costa [Unspecified] Comment
  POM135226  Viola pedunculata H. P. Chandler 1901-3-21 844 Contra Costa Concord. Comment
  POM139233  Hesperolinon micranthum A. D. E. Elmer 1903-07 4545 Contra Costa Mount Diablo Comment
  POM15657  Orthocarpus purpurascens C. F. Baker 1903-4-27 2794 Contra Costa Byron. Comment
  POM165547  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 183 Comment
  POM179710  Eriogonum nudum var. auriculatum J. T. Howell 1930-7-4 5337 Contra Costa Rocky hilltop in the north Berkeley Hills. Comment
  POM179765  Holocarpha heermannii J. T. Howell 1930-9-28 5499 Contra Costa 6.3 miles from Byron on the Marsh Creek Road. Comment
  POM181443  Achyrachaena mollis I. L. Wiggins 1930-4-17 s.n. Contra Costa 1 mile E of Mountain House on road to Byron Comment
  POM194557  Trifolium variegatum var. melananthum Y. Mexia 1929-4-21 20379 Contra Costa Moraga Valley Comment
  POM194558  Lupinus polycarpus Y. Mexia 1939-4-21 2378 Contra Costa Moraga Valley Comment
  POM194561  Collinsia sparsiflora Y. Mexia 1929-4-21 2376 Contra Costa Moraga Valley. Comment
  POM194646  Trifolium ciliolatum Ynez Mexia 2373 Contra Costa Moraga Valley Comment
  POM203635  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa Hills east of St. Marys college Comment
  POM204038  Fritillaria affinis Lewis S. Rose 1934-3-7 34047 Contra Costa Mount Diablo Comment
  POM204086  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  POM204444  Lepidium dictyotum var. acutidens J. T. Howell 1933-3-29 10894 Contra Costa Nortonville Comment
  POM247255  Umbellularia californica Annetta Carter 1937-3-20 1224 Contra Costa Lake Orinda Road, two miles northeast of Orinda. 122 Comment
  POM253322  Eschscholzia californica subsp. californica A. A. Heller 1938-4-9 15018 Contra Costa 3 miles southwest of Antioch. Comment
  POM261437  Mimulus guttatus J. T. Howell 1940-4-21 15402 Contra Costa Pine Canyon, Mount Diablo Comment
  POM267969  Madia sativa D. D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  POM268399  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Mt. Diablo near Danville; Mt. Range: Mt. Diablo; Watershed: Walnut Creek 152 Comment
  POM268436  Ranunculus californicus Mary L. Bowerman 1932-3-23 1127 Contra Costa E of Donner Creek 244 Comment
  POM268460  Ranunculus canus Lyman Benson 1931-3-28 2654 Contra Costa Danville; Mt. Range: Mt. Diablo 122 Comment
  POM269205  Ranunculus hebecarpus H. L. Mason 1929-3-29 5126 Contra Costa Marsh Creek Road, 2 miles above Clayton Comment
  POM300583  Platystemon californicus var. californicus Mary L. Bowerman 1933-4-15 1868 Contra Costa Canyon south of Arroyo del Cerro; Rocky knoll 250 feet below spring. Comment
  POM300595  Guillenia flavescens Mary L. Bowerman 1935-4-22 2879 Contra Costa North Road 2 miles from North Gate, just W of chaparral. 213 Comment
  POM300627  Poa howellii Mary L. Bowerman 1933-4-22 1897 Contra Costa Inner Black Hills just west of Cave Point Comment
  POM300641  Carex barbarae Mary L. Bowerman 1935-9-13 3344 Contra Costa Mount Diablo: Frog Pond, at head of Frog Pond Spring. Comment
  POM300670  Vulpia myuros Mary L. Bowerman 1933-5-8 2025 Contra Costa Second small flat north of Rock City, Mount Diablo. Comment
  POM300714  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Alamo Canyon; East-facing bank fifteen ft. above the stream. 351 Comment
  POM300719  Rhus trilobata var. pilosissima Mary L. Bowerman 1933-3-25 1776 Contra Costa Emmons Canyon, off Stone Valley Comment
  POM300740  Vulpia myuros var. hirsuta Mary L. Bowerman 1933-5-2 1945 Contra Costa Below Pioneer Camp; Mount Diablo. 762 Comment
  POM300987  Triodanis biflora Mary L. Bowerman 1933-5-18 2130 Contra Costa Mount Diablo. Comment
  POM300988  Montia fontana subsp. variabilis Mary L. Bowerman 1939-3-31 3736 Contra Costa Spring in bend of road to Barbecue Terrace ( off S road). Comment
  POM300996  Tonella tenella Mary L. Bowerman 1935-5-18 3023 Contra Costa Mount Diablo, Northwest facing slope across the road from, and a little east of, the parking area. 1067 Comment
  POM301011  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1942-06 3850 Contra Costa South Road 259 Comment
  POM301013  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Junction of roads: Shady Canyon 671 Comment
  POM301037  Eriophyllum jepsonii Mary L. Bowerman 1936-5-6 3409 Contra Costa Uncle Sam Canyon 305 Comment
  POM301038  Monolopia major Mary L. Bowerman 1932-4-27 1365 Contra Costa Mount Diablo: Oyster Ridge, south face: Grassy west-facing slope of ridge west of Riggs Canyon Comment
  POM301855  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1933-5-18 2123 Contra Costa Mount Diablo: Blackberry Spring Comment
  POM319553  Agrostis Patricia Wilder 1961-8-27 1066 Contra Costa Walnut Creek, near Calif. Hwy 24. 24 Stanley Court. 42 Comment
  POM32263  Clarkia rubicunda subsp. blasdalei Katherine Brandegee 1908-7-3 s.n. Contra Costa Point Isabel, north side Comment
  POM355601  Oenothera deltoides subsp. cognata H. de Forest 1930-4-6 s.n. Contra Costa Near mouth of San Joaquin River Comment
  POM44500  Bellardia trixago C. C. Hall 1911-5-20 8835 Contra Costa Contra Costa County: rounded hills near concord, alt 100m 100 Comment
  POM53580  Hemizonia pungens subsp. pungens C. F. Baker 1903-4-27 2875 Contra Costa Byron. Comment
  POM54988  Achyrachaena mollis C. F. Baker 1903-4-27 2795 Contra Costa Byron. Comment
  POM61278  Plantago erecta C. F. Baker 1903-4-28 2828 Contra Costa Marsh Creek, Mt. Diablo. Comment
  POM65421  Phacelia distans C. F. Baker 1903-4-28 2806 Contra Costa Antioch Comment
  RSA0008588  Erysimum capitatum var. angustatum G. B. Rossbach, Ruth P. Rossbach 1938-6-5 858 Contra Costa Along tidal estuary of San Joaquin River, just east of Antioch Comment
  RSA0015854  Lythrum hyssopifolia Mary L. Bowerman 1932-8-27 1522 Contra Costa Spring south of Turtle Rock. Comment
  RSA0026145  Schoenoplectus pungens var. pungens Barbara Ertter 1998-6-20 16239 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. 91 Comment
  RSA0026162  Plantago coronopus Barbara J. Ertter 1990-10-24 9684 Contra Costa Martinez Regional Shoreline on Carquinez Strait. Near arch bridge. Comment
  RSA0027414  Cerastium fontanum subsp. vulgare Barbara Ertter, Rich Rabeler, Tony Morosco 1997-6-10 15672 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait. Comment
  RSA0027415  Eriogonum gracile Barbara J. Ertter 1997-8-24 15773 Contra Costa Mount Diablo, SE side of peak on Mary Bowerman/Fire Interpretive Trail. Comment
  RSA0027646  Crassula aquatica Barbara Ertter 1998-5-3 16059 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. 274 Comment
  RSA0027716  Stebbinsoseris heterocarpa Barbara Ertter 1998-5-3 16076 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. 457 Comment
  RSA0027923  Vicia americana var. americana Barbara Ertter 1998-4-4 15975 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, south of Bramhill Pond. Comment
  RSA0027950  Artemisia douglasiana Barbara Ertter 1997-9-7 15794 Contra Costa North side of Mount Diablo, Donner Creek crossing at south end of Hetherington Trail. Comment
  RSA0028271  Galium murale Barbara Ertter, J. Travis Columbus 1990-6-10 9114 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; edge of stream near crossing on Spengler Trail NE of Briones Peak. 183 Comment
  RSA0029779  Stephanomeria virgata subsp. pleurocarpa Barbara Ertter 2000-7-29 17439 Contra Costa Donner Basin on north side of Mount Diablo, opening on lower end of Middle Trail between Meridian Ridge Road and first stream crossing. 366 Comment
  RSA0029780  Eriogonum nudum var. auriculatum Barbara J. Ertter, Delia Taylor 2003-6-22 18229 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, River View Loop Trail along Somersville Road north of park headquarters. 152 Comment
  RSA0055044  Scutellaria tuberosa Jim Shevock 1971-4-7 916 Contra Costa Mt. Diablo St. Park. 548 Comment
  RSA0059169  Orobanche bulbosa F. T. Bioletti 1894-5-13 11693 Contra Costa Mt. Diablo. Comment
  RSA0068482  Soliva sessilis Katie Gallagher, Nick Jensen 2014-4-26 193 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  RSA0068496  Melica imperfecta Katie Gallagher, Nick Jensen 2014-4-26 178 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  RSA0069374  Amsinckia intermedia Katie Gallagher, Nick Jensen 2014-4-26 215 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA0069375  Juncus patens Katie Gallagher, Nick Jensen 2014-4-26 214 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA0069384  Triphysaria pusilla Katie Gallagher, Nick Jensen 2014-4-26 204 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA0070597  Cirsium cymosum C. M. Belshaw 1936-5-7 2050 Contra Costa 2 miles north of Danville 244 Comment
  RSA0098554  Spergularia marina C. F. Baker 1903-4-27 2865 Contra Costa Byron. Comment
  RSA0098555  Spergularia marina var. tenuis Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8135 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  RSA0121689  Vitis californica Bonnie C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. Comment
  RSA101693  Penstemon centranthifolius H. L. Mason 1929-3-31 5156 Contra Costa Along San Joaquin River, Antioch. Comment
  RSA114056  Psilocarphus brevissimus H. L. Mason 1952-4-14 14266 Contra Costa 3.5 miles S of Byron Comment
  RSA120097  Lupinus nanus subsp. nanus L. D. Christenson 1935-4-11 78 Contra Costa East of Mt. Diablo. Comment
  RSA121907  Asclepias fascicularis H. S. Yates 1934-9-2 4067 Contra Costa One mile southwest of Mt. Diablo 762 Comment
  RSA123949  Pedicularis densiflora E. F. Sprague 1957-5-30 1134 Contra Costa Rocky Point, Mount Diablo. 610 Comment
  RSA125862  Paeonia californica G. R. Campbell 1956-4-6 15 Contra Costa Between Round Top and summit of Mt. Diablo. 305 Comment
  RSA128433  Cryptantha nevadensis var. rigida Robert F. Hoover s.n. Contra Costa Peak east of Tassajero Creek. 762 Comment
  RSA136762  Holocarpha heermannii J. T. Howell 1955-8-24 30901 Contra Costa Near Diablo County Club, south base of Mt. Diablo. Comment
  RSA14423  Castilleja franciscana H. P. Bracelin 1933-6-10 768 Contra Costa Near crest of hills north of Berkeley above Kensington. Comment
  RSA186796  Camissonia contorta Peter H. Raven 1963-3-29 18144 Contra Costa About 1 mile south of Oakley on State Highway 4 at junction of Brownstone Road Comment
  RSA202873  Holocarpha heermannii L. S. Rose 1934-9-9 34462 Contra Costa S slope of Mt. Diablo; 9 miles NE of Danville. Comment
  RSA215988  Matricaria occidentalis R. E. Frenkel 1963-5-15 197 Contra Costa Grazed field east of Bixler Road between Marsh Creek Road and California Highway 4 in Byron Tract Comment
  RSA22314  Verbena robusta Joseph A. Ewan 1936-7-5 9726 Contra Costa Near CCC camp, Wildcat Creek. (see field book) Comment
  RSA29586  Vinca major Joseph A. Ewan 1936-5-31 9710 Contra Costa West rim of Wildcat Canyon Comment
  RSA29642  Phacelia tanacetifolia Joseph A. Ewan 1935-3-6 9128 Contra Costa Donovan Road, Kirker Pass. Comment
  RSA299534  Atriplex rosea Walter Knight 1978-8-20 3232 Contra Costa Along Frederickson Lane, Contra Lowa Regional Park. Comment
  RSA31351  Hypochaeris glabra Joseph A. Ewan 1936-5-24 9692 Contra Costa W slope Bald Peak, head Wildcat Creek. Comment
  RSA34206  Layia hieracioides D. D. Keck 1941-6-5 5307 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  RSA34731  Guillenia flavescens R. C. Rollins 1946-3-25 3046 Contra Costa Western slope of Mount Diablo. Comment
  RSA34736  Gilia achilleifolia R. C. Rollins 1946-3-25 3045 Contra Costa Sacramento Northern Embarkment, Moraga Canyon, 0.8 miles east of railway tunnel Comment
  RSA39828  Heterotheca sessiliflora subsp. echioides P. A. Munz 1947-10-8 12189 Contra Costa Antioch 12 Comment
  RSA41307  Camissonia ovata Robert F. Hoover 1938-2-21 2755 Contra Costa Point Richmond. Comment
  RSA421347  Nemophila menziesii var. menziesii Mark Morris 1929-2-22 s.n. Contra Costa Mt. Diablo. Comment
  RSA436120  Downingia insignis L. S. Rose 1936-4-24 36154 Contra Costa 8 miles S of Antioch. 30 Comment
  RSA44378  Phacelia ciliata L. S. Rose 1949-3-24 49009 Contra Costa 1 mile W of Byron. 30 Comment
  RSA448386  Ptelea baldwinii subsp. crenulata H. de Forest 1930-4-6 s.n. Contra Costa SE of Mortonville, Small 'coal mine' ravine. 274 Comment
  RSA465156  Anagallis arvensis Ynez Whilton Winblad 1935-4-18 s.n. Contra Costa Taken north of Pinole. Comment
  RSA471428  Sanicula bipinnata H. de Forest 1930-4-6 s.n. Contra Costa SE of Mortoville, Small coal mine ravine. Comment
  RSA48957  Gilia achilleifolia Verne Grant, Alva Grant 1948-5-15 8504 Contra Costa Morage ridge, Oakland Hills, near Contra Costa-Alameda county line Comment
  RSA517383  Castilleja wightii L. R. Heckard 1973-6-6 3421 Contra Costa North-facing slope. Ravine behind La Moine Park (Richmond). 122 Comment
  RSA517729  Erigeron philadelphicus Donald G. Nelson 1938-4-24 566 Contra Costa Marsh Creek Highway, 1 mile north of Mt. Diablo Comment
  RSA517735  Trifolium willdenovii Donald G. Nelson 1937-3-30 474 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  RSA523884  Lasthenia fremontii Barbara Ertter, Jim Jokerst, D. Magney 1989-4-5 8136 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  RSA537530  Amaranthus deflexus Barbara Ertter, Elizabeth Neese 1988-10-15 7973 Contra Costa West of I-580 in El Cerrito, junction of Central Ave. and Rydin Road Comment
  RSA585064  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mount Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  RSA59614  Lewisia rediviva Verne Grant, Alva Grant 1950-5-13 8895 Contra Costa Saddle between N & Meridian peaks, Mt. Diablo. Comment
  RSA59637  Allium serra Verne Grant, Alva Grant 1950-5-13 8896 Contra Costa Saddle between N & Meridian peaks, Mt. Diablo. Comment
  RSA600234  Euphorbia oblongata L. C. Wheeler 1958-8-26 7446 Contra Costa Ca. 2 mi. southwest of Martinez, 0.3 mi. northwest of Glen Frazer on Santa Fe; apparently Franklin Canyon/ 1.7 mi. west of Martinez at limit on California Route 4. Comment
  RSA600828  Lupinus albifrons var. collinus Joseph A. Ewan 1934-3-10 8645 Contra Costa San Pablo Ridge: Wildcat Canyon; 2 miles below Orinda road bridge.. . Comment
  RSA63722  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  RSA666474  Lasthenia glabrata subsp. glabrata Barbara Ertter, Chris Thayer 1993-5-7 11705 Contra Costa Ca 0.5 mile N of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land E of Tilden Park. 457 Comment
  RSA719886  Achillea millefolium Linda E. Watson 1996-5-19 96 -4 Contra Costa Foothills of Mt. Diablo, 11 miles east of Clayton, on road to Byron. Comment
  RSA721202  Trifolium olivaceum var. olivaceum Barbara Ertter 1995-5-29 14225 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point 488 Comment
  RSA721276  Sidalcea malviflora subsp. malviflora Barbara Ertter, Gary Schoolcraft 1996-4-7 14568 Contra Costa Point San Pablo inwest Richard. crest ot road to yacht harbor Comment
  RSA721284  Downingia pulchella Barbara Ertter, Tom Delendick 1996-5-2 14607 Contra Costa Spring town wetlands, N of Livermore, along closed section of Hartford Rd. Comment
  RSA721534  Eleocharis acicularis var. acicularis Mary L. Bowerman 1975-9-14 s.n. Contra Costa Mount Diablo. Comment
  RSA721592  Papaver californicum Mary L. Bowerman 1978-5-14 s.n. Contra Costa Mount Diablo. E side of Eagle Peak, old mine wagon trail up Black Canyon. Comment
  RSA721594  Crassula aquatica Mary L. Bowerman 1975-9-14 s.n. Contra Costa Mount Diablo. Comment
  RSA721599  Vicia villosa var. glabrescens Mary L. Bowerman 1994-4-17 s.n. Contra Costa Mount Diablo. Path (graveled road) from end of Regency Drive, Clayton. Entry to Donner Canyon. Comment
  RSA721744  Delphinium hesperium Barbara J. Ertter 1995-5-29 14242 Contra Costa S side Mt Diablo, edge of open meadow in flats near head of Curry Creek along road to Sheepherderss Springs from Sloam Road. 427 Comment
  RSA722106  Juncus occidentalis Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14566 Contra Costa West end Oyster Point road in Mt. Diablo State Park. Comment
  RSA755543  Plantago erecta Barbara J. Ertter, Jim Jokerst, Dave Magney 1989-4-5 8141 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  RSA756015  Eichhornia crassipes Barbara Ertter 1990-9-16 9642 Contra Costa Junction of Cypress Road and Jersey Island Road east of Oakley. Comment
  RSA760658  Sonchus oleraceus William J. Ferlatte, L. Maynard Moe 1970-4-27 1222 Contra Costa San Francisco Bay, Red Rock Island. Comment
  RSA760663  Polystichum munitum William J. Ferlatte, L. Maynard Moe 1970-4-27 1244 Contra Costa San Francisco Bay, Red Rock Island. Comment
  RSA81676  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-24 s.n. Contra Costa San Ramon Road, above Hayward. Comment
  RSA8344  Lepidium nitidum L. S. Rose 1933-3-29 33045 Contra Costa Pittsburg Comment
  RSA90947  Trifolium fucatum var. fucatum J. T. Howell 1933-5-14 11237 Contra Costa St. Mary's College. Comment
  RSA91555  Trifolium willdenovii J. T. Howell 1933-5-14 11231 Contra Costa St. Mary's College. Comment
  RSA92293  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-1 4242 Contra Costa Short distance below summit of Mt. Diablo Comment
  RSA94065  Holocarpha virgata subsp. virgata J. T. Howell 1930-9-28 5501 Contra Costa 5.4 miles from Byron on Marsh Creek Road. Comment
  SBBG122787  Plantago erecta B. Ertter, J. Jokerst, D. Magney 1989-4-5 8141 Contra Costa sink W and adjacent to Clifton Court Forebay, ca. 15 air mi SW of Stockton Comment
  SBBG122848  Pentachaeta alsinoides B. Ertter, L. Schulteis 1995-4-27 14006 Contra Costa end of Arbolado Drive, Lime Ridge open space NW of Mt Diablo 121 Comment
  SD103748  Lupinus formosus var. formosus Walter Knight, Irja Knight 1979-5-31 3396 Contra Costa Pasture at southeast corner Appian Way and I-80, City of Pinole. Comment
  SD103750  Rorippa palustris subsp. glabra Walter Knight, Irja Knight 1979-6-15 3398 Contra Costa Crooked slough, Brown's Island. Comment
  SD126014  Amsinckia intermedia Alfred Sattler 1972-4-2 16 Contra Costa Concord, Southeast corner of Wilson Lane and West Street Comment
  SD211539  Blennosperma nanum var. nanum Barbara Ertter 1992-3-8 10908 Contra Costa Byron Springs Road 4-5 miles South of junction with J4, near Armstring Road Comment
  SD211568  Plagiobothrys stipitatus var. micranthus Barbara Ertter, Jim Jokerst and Dave Magney 1989-4-5 8126 Contra Costa Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton Comment
  SD37268  Trifolium albopurpureum McCallum 1933-4-25 3699 Contra Costa Hillside near Tassajana Comment
  SD41283  Geranium dissectum McCallum 1933-4-26 3698 Contra Costa Damp roadside on the way to Tassajara Comment
  SD86680  Trientalis latifolia Helen V. Witham 1972-5-10 1740 Contra Costa steep north slope, Hucleberry Trail, Oakland Comment
  SEINET10460684  Heterocodon rariflorum Bowerman BOWERMAN 3133 Contra Costa MT DIABLO 2100 Comment
  SEINET10485248  Lupinus densiflorus var. menziesii Walker 1911-7-8 Walker 2526 Contra Costa Near point isabel, e shore of san francisco bay. Growing in sand banks along Railway. Fls bright yellow. Comment
  SEINET10486145  Lupinus polycarpus Frenkel 1964-3-27 FRENKEL 409 Contra Costa On giant road, .4 mi n of atsf rr crossing, richmond. 15 Comment
  SEINET10523815  Bromus rigidus Alan A. Beetle 1942-3-22 Beetle 2932 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  SEINET10590890  Festuca rubra Barbara J. Ertter, B. Olson 1994-5-7 Ertter 12752 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Intact coastal prairies above bluff just south of park, between road and bay, with dense Festuca. Coastal form, tufted (a=on bluffs). Comment
  SEINET10593459  Poa annua Alan A. Beetle 1942-3-22 Beetle 2926 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  SEINET10593596  Polypogon monspeliensis Alan A. Beetle 1941-6-24 Beetle 1750 Contra Costa Point Richmond on SanFrancisco Bay, common in wet sandy places Comment
  SEINET10659957  Phragmites communis Adolph D. E. Elmer Elmer 4541 Contra Costa Concord. Comment
  SEINET10733565 Image available Eriogonum nudum var. psychicola Barbara J. Ertter 1997-8-18 Ertter 15766 Contra Costa Antioch Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard, fine pale brown sand. Comment
  SEINET10759869  Layia platyglossa John T. Middleton 1936-4-18 Middleton 143 Contra Costa Deer Valley, Ca. Comment
  SEINET10779730  Asclepias californica subsp. greenei D. G. Nelson 1937-4-24 Nelson 520 Contra Costa On Marsh Creek Road, between Byron and Clayton Comment
  SEINET10870817  Lupinus nanus subsp. menkerae Frenkel 1964-3-27 FRENKEL 408 Contra Costa Leaves fine, red-streaked. Large flower observed growing amidst common small Flowers. On giant road, .4 mi n of atsf r.r. Crossing, richmond. 15 Comment
  SEINET11261322  Baccharis glutinosa Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4963 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  SEINET11268201  Raphanus sativus Barbara Ertter 1998-6-12 16160 Contra Costa North Gate Road on west flank of Mount Diablo, dogleg in road above raches opposite Angel Kerley trail head.; 0 579 Comment
  SEINET11268247  Allophyllum gilioides Barbara Ertter, Tony Morosco 1998-4-12 16021 Contra Costa Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit.; 0 853 Comment
  SEINET11800583  Stephanomeria virgata L. S. Rose 1938-1 38308 Contra Costa Marsh Creek, 6 mi E of Clayton 152 Comment
  SEINET11843054  Helenium puberulum Unknown 1983-1 4954 Contra Costa Castro Ranch Road between Hillside St. & Alhambra Valley Rd Comment
  SEINET11977794  Arctostaphylos manzanita subsp. laevigata L. S. Rose 1934-1 34040 Contra Costa S slope Mt. Diablo, 8 mi NE Danville Comment
  SEINET11983327  Lepidium latipes F. Chisaki, Bacigalupi, R. C.; Robbins, G. T. 1959-1 1320 Contra Costa on Deer Valley Rd, 0.2 mi S of junction with Briones Valley Rd (ca 8 mi S of Antioch) Comment
  SEINET11987135  Arctostaphylos crustacea S. W. Edwards 1981-1 1001 Contra Costa Briones Regional Park, on ridge facing Russell Tree Farm Comment
  SEINET11989691  Arctostaphylos crustacea N. Havlik, Knight, W. 1982-1 4550 Contra Costa Briones Regional Park adjacent to Russell Tree Farm 305 Comment
  SEINET12007177  Tropidocarpum gracile L. S. Rose 1934-1 34066 Contra Costa 6 mi E of Clayton Comment
  SEINET12220596  Saxifraga californica H. M. Hall 1901-1 1633 Contra Costa region of San Francisco Bay Comment
  SEINET12266795  Lonicera hispidula var. californica M. T. Doutt 1930-1 86 Contra Costa Marsh Creek Comment
  SEINET12273224  Salvia mellifera M. T. Doutt 1930-1 89 Contra Costa Marsh Creek Comment
  SEINET12275872  Plagiobothrys scouleri H. M. Hall 1901-1 s.n. Contra Costa region of San Francisco Bay, Mt. Diablo, western base Comment
  SEINET12278814  Gilia tricolor H. M. Hall 1901-1 1727 Contra Costa Region of San Francisco Bay, Mt. Diablo Comment
  SEINET13944077 Image available Eryngium vaseyi Lincoln Constance, Reino Alava & Rimo Bacigalupi 1958-1 3661 Contra Costa open country 3 miles southeast of Byron, San Joaquin Valley. Elev ca 35 ft 11 Comment
  SEINET192303  Scirpus acutus O. Woggoms, Woggoms 1930-4-18 4589 Contra Costa Jersey Island Contra Costa Co. Comment
  SEINET3127336  Astragalus asymmetricus M. K. Curran 1886-5-18 sn Contra Costa Antioch Comment
  SEINET3149300  Streptanthus glandulosus M. S. Baker 1904-6-24 sn Contra Costa Mt. Diablo, halfway to Summit Comment
  SEINET3560064 Image available Lotus subpinnatus Rimo Bacigalupi, L. R. Heckard 1965-5-11 9082 Contra Costa Brooks Island 30 Comment
  SEINET3696157 Image available Navarretia squarrosa Lewis S. Rose 1934-6-18 34288 Contra Costa Berkeley Hills. Comment
  SEINET3839756  Castilleja rubicundula subsp. lithospermoides Unknown 1996-4-26 Contra Costa Franklin Canyon Road near the junction with McEwan Road in grassland Comment
  SEINET3840906  Oxalis carnosa Unknown 1976-3-25 2117 Contra Costa International Succulent Institute, 10 Corte Sombrita, between Maraga and Orinda Comment
  SEINET3871793  Pinus attenuata James K. Detling 1963-2-15 4 Contra Costa On Flicker Ridge Trail near Moraga.; 0 107 Comment
  SEINET3876310 Image available Sequoia sempervirens Michael R. Tansey 1963-2-21 12 Contra Costa North end of Jewel Lake, Tilden Regional Park.; 0 152 Comment
  SEINET3880292  Juncus nevadensis Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4979 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  SEINET4061707  Sisyrinchium bellum M. W. Garcia 1960-1 60030 Contra Costa Collected on back of Tilden Park. 60 Comment
  SEINET4178748 Image available Trifolium majus A. A. Heller 1938-4-9 15017 Contra Costa 3 mi. S. W. of Antioch Comment
  SEINET4343725 Image available Bromus sterilis Barbara Ertter, Mary Bowerman 1995-5-7 14053 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton Comment
  SEINET5335466  Zannichellia palustris N. L. Gardner s.n. Contra Costa Richmond Comment
  SEINET5336417  Claytonia perfoliata subsp. perfoliata C. M. Fryer 1948-4-11 6 Contra Costa In shady soptes, Mt. Diablo. Comment
  SEINET5339458  Ribes californicum E. Mulliken 1905-5-29 161 Contra Costa Wildcat Canon, Berkeley Hills Comment
  SEINET5543151  Castilleja parviflora H. S. Gentry 1931-1 51 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  SEINET5557311  Lithophragma affine H. S. Gentry 1931-1 47 Contra Costa Collected near Buckle Point Mt. Diablo. Comment
  SEINET5760775  Solanum umbelliferum Lewis S. Rose 1941-3-13 41026 Contra Costa Marsh Creek, 5 miles east of Clayton Comment
  SEINET7239588 Image available Baccharis salicifolia Chesnut, Drew 1889-4-16 s.n. Contra Costa Clayton Comment
  SEINET7370950  Vicia villosa P. Del Monte 1976-3-28 s.n. Contra Costa Curry Creek Park 183 Comment
  SEINET7720851  Ranunculus hebecarpus Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  SEINET7728119  Adiantum emarginatum C. C. Parry 1883-1 Contra Costa Mt. Diablo Comment
  SEINET8349867  Eriogonum nudum Barbara Ertter 1997-8-18 15766 Contra Costa Antioche Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard. Comment
  SEINET8719258 Image available Phalaris paradoxa Laura Zeller 1965-1 85 Contra Costa Across from the University of California Botanical Garden with Lolium 76 Comment
  SEINET884570 Image available Antirrhinum elmeri A. D. E. Elmer 1903-1 4809 Contra Costa Mount Diablo. Comment
  SEINET8887765  Sisyrinchium bellum H. E. Hodge 1956-4-7 21 Contra Costa 2 miles north of Orinda 61 Comment
  SEINET9341786  Anagallis arvensis Unknown 1966-4-15 101 Contra Costa Contra Costa County Comment
  SEINET9356036  Quercus lobata Unknown 1938-10-28 Contra Costa Marsh Creek, 6 mi E of Clayton. Canyon bottom. Comment
  SEINET951733  Pteridaceae T. R. Van Devender, S. H. Stein 1980-1 Contra Costa Lafayette Reservoir Comment
  UC101573  Delphinium hesperium subsp. pallescens Katharine Brandegee 1907-5-3 Contra Costa bet. Antioch and Marsh Creek Comment
  UC1048164  Uropappus lindleyi Univ. of Calif., Division of Genetics 1937-1-1 382 Contra Costa Comment
  UC1051127  Arum italicum N. Floy Bracelin 1944-9-24 2585 Contra Costa the Garden of Anson and Anita Blake Berkeley Comment
  UC1058216  Hesperolinon breweri W. H. Brewer May 29 1862-Jan 1 1900 1181 Contra Costa Camp 71 Mount Diablo Range, Marsh's Ranch Comment
  UC1084395  Ranunculus occidentalis G. Thomas Robbins 1937-4-25 140 Contra Costa hillside near La Vista Comment
  UC1094071  Amsinckia intermedia Francia Chisaki 1952-3-13 203 Contra Costa 0.25 mi s of Highway #50 (on Mountain House Road) Comment
  UC113995  Clarkia rubicunda Katharine Brandegee 1908-7-3 Contra Costa n side Point Isabel (type locality) Comment
  UC1326234  Aristolochia californica Theodore F. Niehaus 1965-1-17 311 Contra Costa along Hampton Rd. 1 mi. s. from junction with Garcia Ranch Rd. Comment
  UC146041  Eschscholzia californica Miss Carlotta Case 1904-7-1 Contra Costa w tunnel at Muir Station Comment
  UC15689  Lotus humistratus State Survey 1800-1 1073 Contra Costa Mt. Diablo Range Comment
  UC1619999  Cotoneaster pannosus Barbara Ertter 1997-1-5 15431 Contra Costa Ygnacio Valley Road at Lime Ridge between Walnut Creek and Clayton, south facing roadcut. Comment
  UC1738212 Image available Polypodium calirhiza S. Whitmore 1982-1-1 1388 Contra Costa Contra Costa County: Mt. Diablo: arroyo on S slopes, 1.2 mi N of south gate entry to Mt. Diablo St. Park, along South Gate Road. Comment
  UC1762599  Viola pedunculata Milo S. Baker 1904-6-24 5538 Contra Costa above Walnut Creek (Hurleys Ranch); Mt. Diablo 457 Comment
  UC1795655  Juncus occidentalis Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14566 Contra Costa West end Oyster Point Rd in Mt Diablo State Park, moist meadow just east of junction. Comment
  UC1795666  Minuartia douglasii Barbara Ertter, Mary Bowerman et al. 1995-5-7 14059 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, open north facing slope around rock outcrops (near creek crossing above woods) with seepage. Comment
  UC1795705  Sanicula bipinnatifida Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12335 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road 30 Comment
  UC1795751  Microseris douglasii Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14585 Contra Costa Crest of Marsh Creek Road on north side of Mt. Diablo southeast of Clayton, south-facing roadcut opposite entrance to Three Springs Trail; annual grasses and Lotus. 274 Comment
  UC1795767  Juncus phaeocephalus var. paniculatus Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14232 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  UC1795768  Delphinium hesperium subsp. hesperium Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14242 Contra Costa South side Mount Diablo, edge of open meadow in flats near head of Curry Creek along road to Sheepherders Springs from Sloan Road; mixed grassland on north-facing slope. 426 Comment
  UC1795791  Callitriche heterophylla var. bolanderi Barbara Ertter, Mary Bowerman et al. 1995-5-7 14034 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, in water of pond west of road in grassy flat. Comment
  UC1795804  Trifolium microdon Barbara Ertter, Lisa Schultheis 1995-4-27 14008 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  UC1795823  Cardamine oligosperma Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14564 Contra Costa Black Hawk Ridge Rd. along East Fork Sycamore Cr in Mt Diablo State Park, shaded roadside bank on north-facing slope,oak woods. Comment
  UC1795876  Claytonia parviflora subsp. parviflora Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14590 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  UC1818864  Eleocharis macrostachya Barbara Ertter, Kristin Ertter 1995-7-11 14471 Contra Costa Sulfur Spring on Pine Cr, Diblo Foothill Regional Park, marshy wet ground. 121 Comment
  UC1818919  Hesperocnide tenella Barbara Ertter, Mary Bowerman et al. 1995-5-7 14054 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, road behind honses traversing north facing slope, mixed forest with much undergrowth. Comment
  UC1818969  Eremocarpus setiger Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14529 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. southeast of Clayton dried grasslands at base of trail. 304 Comment
  UC1949240  Sanicula tuberosa Barbara Ertter with Michelle Seidl 1992-3-14 10914 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo; along Blue Oak Trail Comment
  UC1949380  Eichhornia crassipes Barbara Ertter 1990-9-16 9642 Contra Costa Junction of Cypress Road & Jersey Island Road E of Oakley Comment
  UC1952814  Trifolium incarnatum Barbara Ertter 2010-5-12 19830 Contra Costa Miller Knox Regional Shoreline at south edge of Point Richmond; along West Ridge Trail Comment
  UC2012977  Amsinckia lunaris Barbara Ertter with Chris Thayer 1993-5-7 11707 Contra Costa Ca 1/2 mile north of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land east of Tilden Park. Comment
  UC2012992  Lomatium dasycarpum subsp. dasycarpum Barbara Ertter with Susan D'Alcamo 1994-4-24 12461 Contra Costa Mount Diablo east Walnut Creek, Bald Ridge Trail above Murchio Gap. Comment
  UC2012999  Malva parviflora Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14923 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UC2013027  Navarretia mellita Barbara Ertter with Travis Columbus 1990-6-10 9100 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; trail heading down ridge on N side of Briones Peak. Comment
  UC2027717  Lupinus pachylobus Barbara Ertter with Stu Garrett 1997-3-29 15522 a Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC2027731  Cotula australis Barbara Ertter 1997-2-16 15464 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo, roadbed east of and above Deer Lake. Comment
  UC2027733  Prunus dulcis Barbara Ertter 1997-2-16 15460 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo, exposed sandstone on main ridgeline. Comment
  UC2027751  Lemna minuta Barbara Ertter 1996-11-24 15412 Contra Costa Southwest side of Mount Diablo, streamlet east of Macedo Ranch trailhead. Comment
  UC2027802  Sanicula tuberosa Barbara Ertter, Holly Forbes 1997-4-20 15557 Contra Costa North side of Mount Diablo, north end of Eagle Peak Ridge on Mitchell Rock Trail between Mitchell Rock and Twin Peaks. Comment
  UC2027804  Nemophila menziesii var. menziesii Barbara Ertter with Holly Forbes 1997-4-20 15554 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC2027809  Wyethia angustifolia Barbara Ertter with Holly Forbes 1997-4-20 15544 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC2027821  Leptosiphon androsaceus Barbara Ertter with Stu Garrett 1997-3-29 15529 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  UC2027823  Madia elegans Barbara Ertter 2000-11-19 17552 Contra Costa Briones Regional Park, Black Oak Trail. Comment
  UC2027847  Schinus molle Barbara Ertter, Mary Bowerman 1996-11-1 15401 Contra Costa North base of Mount Diablo, near Donner Canyon trailhead at end of Regency Drive. Comment
  UC2027848  Digitaria sanguinalis Barbara Ertter with Mary Bowerman 1996-11-1 15400 Contra Costa North base of Mount Diablo, near Donner Canyon trailhead at end of Regency Drive. Comment
  UC2027882  Conyza canadensis Barbara Ertter, Chris Thayer 1996-10-25 15370 Contra Costa Northwest flank of Mount Diablo, east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park. Comment
  UC2027921  Microseris douglasii Barbara Ertter with Dan Norris 2001-4-8 17583 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  UC2027923  Amsinckia lycopsoides Barbara Ertter, Dan Norris 2001-4-15 17616 Contra Costa Diablo Foothills Regional Park, Stonegate Trail near Foothills Trail junction. Comment
  UC2027947  Pyrus communis Barbara Ertter 1997-9-7 15792 Contra Costa North side Mount Diablo, cabin site on Donner Creek, in persisting orchard. Comment
  UC2027948  Prunus cerasifera Barbara Ertter 1997-9-7 15791 Contra Costa North side Mount Diablo, cabin site on Donner Creek, in persisting orchard. Comment
  UC2027976  Dichelostemma capitatum subsp. capitatum Barbara Ertter 1997-2-16 15457 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo. Comment
  UC2028003  Olea europaea Barbara Ertter with Amy Rusev 1998-1-17 15902 Contra Costa Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  UC2028016  Stephanomeria elata Barbara Ertter 1997-9-14 15819 Contra Costa Southwest side of Mount Diablo, Wall Point Road on open sandstone ridge northwest of Wall Point/ Comment
  UC2028022  Heterotheca sessiliflora subsp. echioides Barbara Ertter 1997-9-14 15812 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  UC2028024  Rorippa curvisiliqua Barbara Ertter 1997-9-14 15809 Contra Costa West side of Mount Diablo, ponds along Barbeque Terrace Road in upper Pine Canyon. Comment
  UC2028029  Pogogyne serpylloides Barbara Ertter 1997-9-14 15803 Contra Costa WSW base of Mount Diablo, along creek at fence line between Pine Ridge and lower Wall Point Road from Macedo Ranch. Comment
  UC2028030  Conyza canadensis Barbara Ertter 1997-9-14 15802 Contra Costa WSW base of Mount Diablo, along creek at fence line between Pine Ridge and lower Wall Point Road from Macedo Ranch. Comment
  UC2028050  Lepidium nitidum Barbara Ertter 1998-2-15 15911 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, roadside near Indian Creek. Comment
  UC2028055  Penstemon centranthifolius Barbara Ertter with Amy Rusev 1998-1-17 15896 Contra Costa Lime Ridge Open Space at NW foot of Mount Diablo. Comment
  UC2028066  Boechera breweri subsp. breweri Barbara Ertter, Tony Morosco 1998-4-12 16008 Contra Costa Mount Olympia on north side of Mount Diablo, below false summit on East Trail. Comment
  UC2028081  Trifolium depauperatum var. truncatum Barbara Ertter, Tony Morosco 1998-4-12 15988 Contra Costa Base of Mount Olympia on north side of Mount Diablo, open flat below quarry NE of Olympia Trail. Comment
  UC2028090  Lomatium californicum Barbara Ertter, Tony Morosco 1998-4-12 16000 Contra Costa Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail. Comment
  UC2028114  Trifolium campestre Barbara Ertter with Richard K. Brummitt 1998-5-6 16095 Contra Costa Donner Canyon Trail near Regency Drive trailhead, north base of Mount Diablo. Comment
  UC2028119  Ranunculus canus Barbara Ertter with Richard K. Brummitt 1998-5-6 16090 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner. Comment
  UC2028140  Vicia americana subsp. americana Barbara Ertter 1998-4-4 15975 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, south of Bramhill Pond. Comment
  UC2028145  Triteleia laxa Barbara Ertter 1998-4-4 15970 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill. Comment
  UC2028162  Eucalyptus sideroxylon Barbara Ertter with Laura Fujii 1999-3-7 16483 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, near Alvarado Staging area at NW end of park, along hiking road. Comment
  UC2028164  Stellaria pallida Barbara Ertter 1998-2-15 15919 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, Haystack Hill NW of Old Borges Ranch. Comment
  UC2028171  Calystegia subacaulis subsp. subacaulis Barbara Ertter 1998-5-3 16069 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, between Wall Point and Secret Trail junction. Comment
  UC2028201  Vicia sativa subsp. sativa Barbara Ertter 1998-5-3 16051 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  UC2028216  Carduus tenuiflorus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16130 Contra Costa West-center Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC2028230  Ailanthus altissima Barbara Ertter 1998-11-15 16466 Contra Costa North side Mount Olympia on north side Mount Diablo Comment
  UC2028250  Stephanomeria elata Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16399 Contra Costa South side of Mount Diablo, South Gate Road 0.8 miles below entry kiosk. Comment
  UC2028255  Lupinus bicolor Barbara Ertter with Gary Schoolcraft 1996-4-7 14573 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower Comment
  UC2028266  Centaurium davyi Barbara Ertter 1999-6-12 16714 Contra Costa West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cone Point Road (near powerline). Comment
  UC2028295  Agoseris grandiflora Barbara Ertter, Dan Norris 1998-6-18 16218 Contra Costa Rock City area on south side of Mount Diablo, W Fossil Ridge Trail. Comment
  UC2028327  Microseris douglasii Barbara Ertter with Richard K. Brummitt 1998-5-13 16138 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, head of SE branch of Loughler Loop Trail. Comment
  UC2028328  Eryngium jepsonii Barbara Ertter with Richard K. Brummitt 1998-5-13 16136 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, head of SE branch of Loughler Loop Trail. Comment
  UC2028370  Amaranthus albus Barbara Ertter 1998-6-20 16247 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Briones-Mount Diablo Trail SW of Old Borges Ranch Comment
  UC2028375  Agrostis hallii Barbara Ertter with Dan Norris 1998-6-18 16229 Contra Costa Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo Comment
  UC2028400  Brachypodium distachyon Barbara Ertter with Dan Norris 1998-6-18 16222 Contra Costa Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo Comment
  UC2028405  Tragopogon porrifolius Barbara Ertter with Richard K. Brummitt 1998-5-16 16083 Contra Costa Lower Donner Canyon on north base of Mount Diablo, near Donner Cabin site Comment
  UC2028417  Heracleum maximum Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17634 Contra Costa Northwest flank of Mount Diablo, headwaters of Arroyo del Cerro between Olofson Ridge and Long Ridge Comment
  UC2028418  Bromus sterilis Barbara Ertter 2001-5-10 17637 Contra Costa Mount Diablo, Juniper Trail above Laurel Dell Comment
  UC2028485  Hedypnois rhagadioloides Barbara Ertter 1998-5-3 16045 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo Comment
  UC2028491  Bromus madritensis subsp. madritensis Barbara Ertter 1998-5-3 16067 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo Comment
  UC2028493  Wyethia angustifolia Barbara Ertter 1998-5-3 16070 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, between Wall Point and Secret Trail junction Comment
  UC2028500  Carex subbracteata Barbara Ertter 1999-3-21 16491 Contra Costa NW corner of Miller Knox Regional Shoreline, Protero Hills SW of Richmond Comment
  UC2028505  Perideridia oregana Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16405 Contra Costa North side Shell Ridge Open Space west of Mount Diablo, near pond at Wiget Lane entrance Comment
  UC2028517  Conyza canadensis Barbara Ertter 1996-11-24 15422 Contra Costa West side of Mount Diablo, upstream from Pine Pond along Stage Road in Pine Canyon, floodplain at junction with Dusty Road Comment
  UC2028518  Sonchus oleraceus Barbara Ertter 1996-11-24 15428 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  UC2028531  Phalaris paradoxa Barbara Ertter 1998-5-3 16030 Contra Costa Macedo Ranch at southwest base of Mount Diablo. Comment
  UC2028533  Festuca microstachys Barbara Ertter with Tony Morosco 1998-4-12 15989 Contra Costa Base of Mount Olympia on north side of Mount Diablo. Comment
  UC2028591  Zannichellia palustris Barbara Ertter 2000-9-30 17532 Contra Costa west side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch. Comment
  UC2028593  Medicago arabica Barbara Ertter with Dorothy Frantz 2001-5-10 17642 Contra Costa Pine Canyon on west side of Mount Diablo, junction of Stage Road and Sunset Trail Comment
  UC2028957  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa Richmond Field Station. Comment
  UC2028958  Acer negundo Barbara Ertter 2000-7-16 17379 Contra Costa Castle Rock Regional Recreation Area on SW flank of Mount Diablo, lower Pine Creek with sporadic surface water Comment
  UC2028961  Hordeum depressum Barbara Ertter with Brad Olson et al. 2000-6-2 17304 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  UC2028972  Epilobium ciliatum subsp. ciliatum Barbara Ertter 2000-7-16 17392 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC2028974  Calochortus argillosus Barbara Ertter with Brad Olson et al. 2000-6-2 17296 Contra Costa north side Brushy Peak Regional Preserve NE of Livermore. Comment
  UC2028986  Leptosiphon ciliatus Barbara Ertter 2000-5-14 17009 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. Comment
  UC2028997  Phacelia divaricata Barbara Ertter 2000-3-30 16914 Contra Costa North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road. Comment
  UC2028998  Lasthenia californica Barbara Ertter 2000-3-30 16915 Contra Costa North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road. Comment
  UC2029010  Malacothamnus fremontii Barbara Ertter with Dan Norris 1999-11-14 16853 Contra Costa Black Diamond Mines Regional Preserve, chaparral patch below east half of Miners Trail. Comment
  UC2029015  Madia elegans Barbara Ertter 1999-8-21 16791 Contra Costa Deer Flat Creek crossing on road between Deer Flat and Murchio Gap, NW side of Mount Diablo. Comment
  UC2029036  Lithophragma heterophyllum Barbara Ertter 2000-3-30 16906 Contra Costa North side of Mount Diablo, Mitchell Canyon Road west of base of switchbacks. Comment
  UC2029042  Sanicula tuberosa Barbara Ertter 2000-3-19 16895 Contra Costa Southwest side of Mount Diablo, Secret Trail between Barbecue Terrace Road and Wall Point Road. Comment
  UC2029044  Plagiobothrys trachycarpus Barbara Ertter 2000-3-19 16893 Contra Costa southwest flank of Mount Diablo, east of Pine Ridge, below Wall Point Road Comment
  UC2029049  Quercus chrysolepis Barbara Ertter with Linda Vorobik 2000-1-9 16892 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville' Comment
  UC2029056  Eriogonum angulosum Barbara Ertter with Delia Taylor 2003-6-22 18226 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road. Comment
  UC2029060  Madia gracilis 'Barbara Ertter with Save Mount Diablo outing 2003-5-8 18167 Contra Costa Mangini property on knoll west of Mount Zion, NW corner of Mount Diablo. Comment
  UC2029065  Silene laciniata subsp. californica Barbara Ertter 2000-7-29 17440 Contra Costa Donner Basin on north side of Mount Diablo, lower Middle Trail between first creek crossing and Falls Trail junction. Comment
  UC2029088  Castilleja applegatei subsp. martinii Barbara Ertter 2000-7-29 17446 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail south of Wild Oat Canyon. Comment
  UC2029134  Madia gracilis Barbara Ertter with Mike Park, David Gowen, and Victoria Seidman 2004-5-26 18369 Contra Costa Curry Canyon between Alder Creek and Rhine Canyon, south side of Mount Diablo. Comment
  UC2029139  Plagiobothrys bracteatus Barbara Ertter with Alan Prather 2003-6-7 18199 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, fenced pond in bend of east Highland Ridge Trail, 1/4 miles E of junction Stone Corral Trail. Comment
  UC2029146  Scirpus maritimus Barbara Ertter with Dan Norris 1999-11-14 16854 Contra Costa Black Diamond Mines Regional Preserve, Sand Creek on east side Stewartville Trail, dominated by dense stand of Scirpus americanus. Comment
  UC2029177  Lilaea scilloides Barbara Ertter with Alan Prather 2003-6-7 18191 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo. Comment
  UC2029178  Bolboschoenus maritimus subsp. paludosus Barbara Ertter with Alan Prather 2003-6-7 18198 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, fenced pond in bend of east Highland Ridge Trail, 1/4 miles E of junction Stone Corral Trail. Comment
  UC2029192  Rumex conglomeratus Barbara Ertter 2000-7-16 17380 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  UC2029194  Conium maculatum Barbara Ertter 2000-7-16 17382 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  UC2036956  Conyza bonariensis Mary L. Bowerman 1946-2-10 4082 Contra Costa Near C.C.C. Camp, Dan Cook Canyon, Mt. Diablo. Comment
  UC2042753  Centaurium tenuiflorum Barbara Ertter with Brad Olson and Lynne Hosley 1993-11-14 12320 Contra Costa Skyline Trail in East Bay Hills west of Orinda, above Caldecott Tunnel between Fish Ranch Road and Roundtop. Comment
  UC2042984  Navarretia pubescens Barbara Ertter with Dan Norris 1998-6-18 16223 Contra Costa Devil's Slide Trail from Knobcone Point Road, south side of Mount Diablo. Comment
  UC2045296 Image available Keckiella corymbosa Mary L. Bowerman 1930-6-7 276 Contra Costa Meridian Peak summit Comment
  UC2061510  Ulmus minor Dean G. Kelch 2016-4-30 16 .103 Contra Costa Carquinez Strait: Selby, west of Crockett. On west side of canyon near old dwelling foundation. Comment
  UC2062623  Anagallis arvensis Barbara Ertter 2002-5-11 17835 Contra Costa Southwest base of Mount Diablo, east end of Green Valley Trail at crossing of private drive. Comment
  UC2062647  Ptelea crenulata Barbara Ertter with Steve Matson 2003-11-11 Contra Costa Mount Diablo State Park, Deer Flat Road on north side of Moses Rock Ridge. Comment
  UC2062648  Gilia capitata subsp. staminea Barbara Ertter with Dan Norris 2001-4-8 17596 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC2062676  Sequoia sempervirens Barbara Ertter with Dan Norris 2000-12-3 Contra Costa Mount Diablo, west fork of Sycamore Canyon. Comment
  UC2070445  Phalaris arundinacea Barbara Ertter with Chris Thayer, Dianne Lake et al. 2001-5-26 17655 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. Comment
  UC2070462  Trifolium bifidum var. bifidum Barbara Ertter 2000-5-14 16998 a Contra Costa Lower Donner Canyon on north side of Mount Diablo. Comment
  UC2070464  Epilobium ciliatum subsp. ciliatum Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10699 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina. Comment
  UC2070471  Cicendia quadrangularis Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18149 Contra Costa Diablo Foothills Regional Park on west base of Mount Diablo, south end of trail along west edge of Castle Rock Recreation Area Comment
  UC2070473  Trifolium subterraneum Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18151 Contra Costa Lower Pine Canyon on WNW base of Mount Diablo, Mount Diablo Foothills Regional Park. Comment
  UC2070512  Cirsium cymosum Barbara Ertter with Mike Park, David Gowen 2004-7-17 18442 Contra Costa North side Mount Diablo, west of Twin Peaks. Comment
  UC2070514  Microseris sylvatica Barbara Ertter with David Gowen and Michael Park 2004-4-13 18357 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, upper part of N-facing slope below Black Diamond Trail, opposite Rose Hill cemetery. Comment
  UC2070526  Oxalis pes-caprae Barbara Ertter 2003-3-28 18138 Contra Costa Round Valley Regional Preserve, mouth of Hardy Canyon along High Creek. Comment
  UC2070540  Petrorhagia dubia Barbara Ertter with J. Kerbavaz, David Gowen, Mike Park and Victoria Seidman 2004-4-22 18363 Contra Costa Old Pioneer Horse Camp on Green Ranch Road, south side of Mount Diablo summit. Comment
  UC2070545  Spergularia marina Barbara Ertter 2003-3-28 18123 Contra Costa Round Valley Regional Preserve, north end of Round Valley along Murphy's Meadow trail. Comment
  UC2070617  Danthonia californica Barbara Ertter 2002-5-16 17862 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC2070618  Dactylis glomerata Barbara Ertter 2002-8-24 18017 Contra Costa NE base of Mount Diablo, connector trail paralleling Morgan Territory Road along edge of private property (Mt. Diablo Mine) Comment
  UC20998  Eryngium aristulatum var. aristulatum J. Burtt Davy 1900-3-24 6525 Contra Costa Santa Fe Comment
  UC217383  Hemizonia congesta subsp. luzulifolia H. M. Hall 1917-5-27 10314 a Contra Costa Fish Ranch Berkeley Hills Comment
  UC27592  Penstemon heterophyllus var. purdyi W. H. Brewer May 1862 1178 Contra Costa Marsh's Ranch Comment
  UC421583  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  UC468839  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Comment
  UC482974  Erigeron foliosus var. franciscensis Mrs. G. Earle Kelly 1932-7-20 Contra Costa after junction on mountain road Mount Diablo Comment
  UC499339  Salix lasiolepis Mary L. Bowerman 1933-3-25 1777 Contra Costa back of Diablo Stock Farm; Stone Valley, Emmons<?> Canyon 274 Comment
  UC523544  Holocarpha virgata subsp. virgata David D. Keck 1933-11-2 2620 Contra Costa 6 mi from Antioch (between Lone Tree Way and Marsh Creek Road); Horse Valley Comment
  UC570693  Solanum americanum H. L. Mason 1929-9-21 5445 Contra Costa 1 mi e of junction with road to Antioch (Bordon Highway); Bordon Highway Comment
  UC631616  Trifolium fucatum P. B. Kennedy 1928-4-28 10096 Contra Costa 2 mi from Tunnel (on hwy) Comment
  UC691475  Pogogyne serpylloides Mary L. Bowerman 1931-4-11 696 Contra Costa Mount Diablo, Pine Canyon floor Comment
  UC691578  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-10-4 481 Contra Costa Maple Spring Comment
  UC691776  Hypochaeris glabra Mary L. Bowerman 1933-5-25 2184 Contra Costa 411 Comment
  UC691841  Asclepias fascicularis Mary L. Bowerman 1935-6-28 3162 Contra Costa Old Government Trail Mount Diablo 518 Comment
  UC691893  Yabea microcarpa Mary L. Bowerman 1935-5-1 2946 Contra Costa West road (= North Road) 6.7 mi from entrance Mount Diablo 640 Comment
  UC692069  Anemopsis californica Mary L. Bowerman 1931-5-28 903 Contra Costa Pine Canyon by Sulphur Spring (Mount Diablo); , Pine Canyon Comment
  UC692261  Perideridia californica Mary L. Bowerman 1933-6-20 2329 Contra Costa edge of stream <a> little above Bilharan Lodge; Mount Diablo, Donner Canyon Comment
  UC692564  Perideridia californica Mary L. Bowerman 1935-6-15 3134 Contra Costa Mitchell Canyon Mount Diablo (in stones of streambed at point where stream disappears) 640 Comment
  UC697205  Baccharis glutinosa Mary L. Bowerman 1938-9-17 3719 Contra Costa Willow Spring Comment
  UC725862  Mimulus nasutus A. A. Heller 1942-4-12 Contra Costa 2 mi n Blue Tent Creek Comment
  UC727775  Phacelia distans Milo S. Baker 1946-4-20 11333 Contra Costa summit of hwy s Clayton Comment
  UC913078  Holocarpha obconica David D. Keck and J. Clausen 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  UCD103388  Geranium dissectum Ernest C. Twisselmann 1959-4-8 5022 Contra Costa Edmunds Native Plant Nursery, Danville. Shandon, CA. 45 Comment
  UCD104491  Acmispon wrangelianus Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  UCD105401  Epilobium brachycarpum Peter Rubtzoff 1954-9-14 1748 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  UCD105988  Lupinus albifrons P. B. Kennedy 1929-4-21 s.n. Contra Costa Happy valley, road off from Lafayette. Comment
  UCD108372  Trifolium depauperatum var. depauperatum P. B. Kennedy Date Unknown s.n. Contra Costa Vicinity of Bryon Springs, Greene. Comment
  UCD114568  Cardamine oligosperma Terri Williamson 1990-4-10 1 Contra Costa 212 Poshard Street, Pleasant Hill. 12 Comment
  UCD118078  Vaccinium ovatum Beecher Crampton 1957-11-20 4650 Contra Costa Border of Alameda county line. East facing slope, between Round and Redwood Regional Parks, Berkeley Hills. Comment
  UCD121109  Garrya elliptica Beecher Crampton 1957-11-20 4651 Contra Costa Berkeley Hills. Contra Costa- Alameda County line. Comment
  UCD121325  Asclepias fascicularis Francis D. Galey 1989-10-31 s.n. Contra Costa ca. 4-5 miles southwest of Byron, upper ranch area of Vaquero Farms, southeast of Diablo Canyon Road. Comment
  UCD121507  Centaurium tenuiflorum Ann F. Johnson 1978-6-22 s.n. Contra Costa Edge of the San Joaquin River at the Antioch Dunes on Pacific Gas and Electric Co. property, 4 miles east of the town of Antioch. Comment
  UCD121835  Galium nuttallii Laurence S. Jones 1934-4-8 s.n. Contra Costa West slope of Mt. Diablo. 609 Comment
  UCD122097  Bellardia trixago Roman Gankin 1962-5-18 s.n. Contra Costa Near abandoned railroad bed on east side of Pinehurst Road, ca. 1/4 mile north of junction of this road with Canyon Road, ca. 2 miles west of Moraga. Comment
  UCD122684  Mimulus guttatus Carole Lembi 1964-3-1 5 Contra Costa Mt. Diablo Road, 5 miles from top of Mt. Diablo. 304 Comment
  UCD124528  Plantago major M. Wiesendanger 1926-6-1 1528 Contra Costa Richmond. Comment
  UCD124780  Veronica peregrina subsp. xalapensis Terri Williamson 1990-5-22 71 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  UCD127020  Solanum umbelliferum Laurence S. Jones 1934-4-8 s.n. Contra Costa Mount Diablo. 609 Comment
  UCD127482  Eryngium articulatum Walter Knight; Irja Knight et al. 1978-9-5 3235 Contra Costa Browns Island. Botany Cove. Comment
  UCD127576  Lilaeopsis masonii Robert E. Preston 1991-10-1 604 Contra Costa Antioch, Big Break Marina, along east side of levee north of the marina. 0 Comment
  UCD128411  Achyrachaena mollis P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo, below road to Country Club reservoir. Comment
  UCD128498  Acroptilon repens Collector unknown 1928-8-1 1428 Contra Costa Richmond. Comment
  UCD129979  Calycadenia truncata Ann F. Johnson 1978-8-19 s.n. Contra Costa Mt. Diablo State Park. Comment
  UCD133394  Iva axillaris Collector Unknown Date Unknown s.n. Contra Costa Exact location unknown. Comment
  UCD133508  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa near head of San Leandro Creek Canyon. 243 Comment
  UCD137523  Centranthus ruber S. P. Lynch 1974-4-24 499 Contra Costa along Clayton Road east of Conrad, Mt. Diablo. Comment
  UCD138178  Triglochin maritima Mr. Nevin 1924-3-24 s.n. Contra Costa Antioch. Comment
  UCD138632  Allium serra Laurence S. Jones 1934-4-8 s.n. Contra Costa Mount Diablo. 609 Comment
  UCD138951  Epipactis gigantea Terri Williamson 1990-6-2 89 Contra Costa 212 Poshard Street, Pleasant Hill. 12 Comment
  UCD139551  Calochortus pulchellus H. A. Stout; T. C. Wainwright 1980-4-13 3 Contra Costa Mallory Ranch, around 1/2 mile east of Morgan Territory road. 609 Comment
  UCD139593  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, north side of junction of the two main fire roads. 575 Comment
  UCD141649  Juncus occidentalis M. Wiesendanger 1926-5-1 1468 Contra Costa near Richmond. Comment
  UCD161481  Melica torreyana A. A. Beettle 1941-3-28 1723 Contra Costa near Orinda. Comment
  UCD170113  Limnobium laevigatum R. Breckenridge; K. Filippini 2010-10-1 s.n. Contra Costa Sacramento/San Joaquin Delta. Bradford Island. Comment
  UCD18453  Cuscuta subinclusa Glen Holstein 2000-7-27 s.n. Contra Costa SE El Sobrante, NE side of San Pablo Ridge. Comment
  UCD21831  Clarkia biloba C. Thayer 1994-8-1 s.n. Contra Costa West side of Lafayette Ridge, Lafayette. Comment
  UCD32379  Castilleja exserta Beecher Crampton 1950-4-16 514 Contra Costa road from San Pablo to Giant, along RR. Property. 22 Comment
  UCD32382  Sanicula bipinnata Beecher Crampton 1950-4-22 526 Contra Costa above Judsonville, above old Empire Mine to south around top of hills. 182 Comment
  UCD32426  Gnaphalium palustre Beecher Crampton 1950-6-20 595 Contra Costa Contra Costa County, 1 mile north of Richmond, Triangle Court. Comment
  UCD33426  Linanthus Beecher Crampton 1968-3-27 8232 Contra Costa SE corner of County, ca. 3.5 miles south of Byron. Comment
  UCD35140  Deinandra corymbosa Beecher Crampton 1950-6-20 596 Contra Costa Richmond Comment
  UCD35158  Eryngium articulatum Beecher Crampton 1950-8-22 620 Contra Costa Railroad right-of-way, Richmond. Comment
  UCD35164  Limonium californicum Beecher Crampton 1950-8-5 632 Contra Costa San Pablo Canal, NW of Richmond. Comment
  UCD35993  Dodecatheon hendersonii Beecher Crampton 1949-4-1 423 Contra Costa Contra Costa County, Moraga Ridge. 60 Comment
  UCD36027  Psilocarphus brevissimus Beecher Crampton 1949-6-10 472 Contra Costa city of Richmond. 16 Comment
  UCD36033  Centromadia fitchii Beecher Crampton 1949-7-15 485 Contra Costa below original site of Judsonville, Lee Higgins Empire Ranch, head of Lone Tree Valley. 114 Comment
  UCD36039  Navarretia pubescens Beecher Crampton 1949-9-11 493 Contra Costa Contra Costa County, Mount Diablo State Park, below main road, opposite Oak Knoll Picnic area. 518 Comment
  UCD37372  Agrostis exarata var. pacifica Beecher Crampton 1959-9-3 5455 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  UCD50093  Schoenoplectus americanus Walter Kinght 1977-6-10 s.n. Contra Costa Sand Creek near coal-mining site of Stewartville, Contra Costa Co. 158 Comment
  UCD91679  Poa secunda subsp. secunda P. B. Kennedy 1925-4-25 s.n. Contra Costa Road to Sycamore Canyon, Mt. Diablo. Comment
  UCD92659  Sorghum halepense Beecher Crampton 1970-3-10 8540 Contra Costa Vasco Road S of Brentwood. Comment
  UCD93809  Vulpia microstachys var. ciliata Beecher Crampton 1956-5-14 3419 Contra Costa above Suisun Bay, 2 miles west of Martinez, on road to Crockett. Comment
  UCD95119  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park, near Point Richmond. Southeast of Richmond Ramblers building. Comment
  UCD95304  Eschscholzia californica Jennifer Davies 1982-4-11 1 Contra Costa 0.5 mile west of Park HQ on Northgate Road, Mt. Diablo. 670 Comment
  UCD95580  Caltha palustris E. Dean; with Thomas Starbuck 1993-5-1 359 Contra Costa Oakland hills, canyon E of Skyline Blvd., growing in stream that separates Huckleberry Preserve from Sibley Volcano Park, along Skyline Trail, near old homestead site. Comment
  UCD96579  Myosurus minimus Roman Gankin 1958-3-8 s.n. Contra Costa ca. 3 miles south of Byron. Comment
  UCSB11603  Lupinus bicolor Grah, Nancy 1962-4-14 Contra Costa 0.8 miles on Tappan Lane; north of Tarry Lane, Orinda 243 Comment
  UCSB22281  Arctostaphylos manzanita McMinn, H. 1936-4-11 Contra Costa Mt. Diablo; head of Sycamore Canyon Comment
  UCSB27473  Dirca occidentalis Havlik, Neil 1969-7-10 Contra Costa Along the West Ridge Trail about one-half mile from Skyline Gate, Redwood Regional Park, Oakland Hills 396 Comment
  UCSB39456  Castilleja applegatei subsp. martinii Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the east end of Ball Rd., in the Shell Ridge Open Space Area, SE of the rock quarry 124 Comment
  UCSB5069  Gilia clivorum Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Head of Pine Canyon; Mount Diablo 533 Comment
  UCSC006563  Collinsia heterophylla Randall Morgan 1988-4-29 1152 Contra Costa NW slope of Twin Pks, Mt. Diablo Comment
  UCSC007192  Microseris Randall Morgan 1989-5-5 1588 Contra Costa Mitchell Cyn trail, W entrance, Mount Diablo Comment
  UCSC008283  Micropus amphibolus Randall Morgan 1989-5-5 1587 Contra Costa Mt. Diablo near mouth of Mitchell Canyon Comment



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