Search Results — 2000 specimen records retrieved (1372 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI7573  Abies bracteata Robert F. Hoover 1964-4-5 8664 Contra Costa Cultivated in Tilden Park botanic Garden 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
  UC1779710  Acacia dealbata Rudolf Schmid 1997-5-21 1997 -13 Contra Costa Hillside Natural Area, El Cerrito; NW of King Ct. entrance. 175 Comment
Read comments
Mar 25 2010
  UC1050222  Acacia dealbata N. Floy Bracelin 1942-2-1 1898 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1719693  Acacia longifolia Barbara Ertter, Brad Olson 1994-5-7 12743 Contra Costa S end of Point Molate Beach Park, edge of San Francisco Bay N of Richmond to San Rafael bridge Comment
  CAS-BOT-BC331615  Acer macrophyllum Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10621 Contra Costa Curry Canyon, 3.4 miles S of Recreation Ground Comment
  JEPS42649  Acer macrophyllum W. L. Jepson 1908-4-4 3005 Contra Costa West Branch San Pablo Creek Comment
Read comments
Jul 7 2011
  SD45088  Acer macrophyllum W. Jones 1927-6-2 Contra Costa Crockett Comment
Read comments
Jul 11 2010
  SEINET4172014 Image available Acer macrophyllum Robert A. Norris, John L. Inase 1981-1 4146 Contra Costa Abrigo Valley Trail, NW part of Briones Regional Park (ca. 3 mi. NNW Lafayette) 274 Comment
  SEINET12766391  Acer macrophyllum M. E. Matheron 1968-4-14 55 Contra Costa 2 miles from entrance to Mt. Diablo State Park on North Gate Road, Mt. Diablo.; 0 457 Comment
  UC18099  Acer negundo J. Burtt Davy 1895-4-13 1012 Contra Costa Lafayette 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
  JEPS100121  Achillea millefolium G. Smick 2003-4-22 GAS 141 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2032824  Achillea millefolium Doran, Andrew Scott 2012-3-20 694 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UC29238  Achillea millefolium W. H. Brewer 1862-5-20 1125 Contra Costa hill north of coal mines Monte Diablo Comment
  SEINET242917 Image available Achnatherum parishii Mary E. Barkworth, Surrey W. L. Jacobs; Betty Jacob 2003-4-7 2003 /5 Contra Costa CULTIVATED; Tilden Regional Park, east of Berkeley. Comment
  CAS-BOT-BC29885  Achyrachaena mollis L. Kellogg; Brannan 1870-4-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC29887  Achyrachaena mollis James I. W. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC30414  Achyrachaena mollis Dr. A. Kellogg; W. G. W. Harford 1868-1-1 523 Contra Costa Mt. Diablo Comment
  UC1543174  Achyrachaena mollis Donald G. Nelson 1937-4-18 501 Contra Costa towards Tracy on Marsh Creek Road Byron Comment
  UC29290  Achyrachaena mollis J. Burtt Davy May 13 1893-Jan 1 1900 766 Contra Costa Comment
  UCD32385  Achyrachaena mollis Beecher Crampton 1950-4-22 529 Contra Costa above Sand Creek, on hills to north above Lone Tree Valley 106 Comment
  CDA37430  Acroptilon repens D. G. Kelch, Mike Perlmutter 2011-9-23 11 .752 Contra Costa Immediately north of Discovery Bay. Comment
  UC12009  Adenostoma fasciculatum W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  JEPS75460  Aesculus californica P. F. Yorks 1973-5-25 100 Contra Costa ca 1.7 mi s Bear Creek Rd on Hampton Rd in Hampton Rd Natural Reserve (n of Briones Reservoir) 180 Comment
  OBI49101  Aesculus californica Joseph Andorfer Ewan 1936-5-31 9715 Contra Costa Wildcat Crk Comment
  SEINET6738507 Image available Agoseris heterophylla H. P. Chandler 1901-4-5 976 A Contra Costa Mt. Diablo Comment
  UC29360  Agoseris heterophylla var. heterophylla F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  CDA29002  Agrostis avenacea D. G. Kelch 2006-11-11 06 .505-B Contra Costa Carquinez Strait; Along RR tracks N of Pt Pinole in swale W of RR. Comment
  JEPS127233  Agrostis avenacea Lowell Ahart, Josephine Guardino 2016-4-19 20787 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros 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
  RSA0033846  Agrostis exarata Barbara Ertter 1999-7-17 16763 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  SEINET3840952  Agrostis exarata Dean G. Kelch, Andrew G. Murdock 2003-8-13 DGK 3 .113 Contra Costa Martinez Marsh, near marina 1 Comment
  UC692410  Agrostis exarata Mary L. Bowerman 1933-9-9 2434 Contra Costa edge of spring Mount Diablo, Frog Pond Comment
  UC1795795  Agrostis hallii Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14221 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  UC697196  Agrostis hallii Mary L. Bowerman 1944-6-19 3895 Contra Costa in eastern corner of triangle formed by roads to upper Rock City Camp (Fossil Ridge, Mount Diablo); Mount Diablo Comment
  RSA0029679  Agrostis pallens Barbara Ertter, Tony Morosco 1998-9-18 16433 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, above sand quarry [subsequently developed] on south side of Ygnacio Valley Road, SE slope below water tank. Comment
  UC2028465  Agrostis stolonifera Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15670 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait Comment
  UC50548  Agrostis viridis Jos. Burtt Davy 1897-9-4 4082 Contra Costa Stege Comment
  UC2028455  Ailanthus altissima Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17508 Contra Costa North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring Comment
  JEPS99483  Aira caryophyllea Mary Bowerman 1978-5-14 Contra Costa Mount Diablo, Eagle Peak Old Mines trail. Comment
  UC1108976  Aira caryophyllea Leo and Shirley Koch 1947-4-20 1343 Contra Costa 0.5 mi s Giant (meadow between golf course and railroad) 3 Comment
  UC2028373  Aira caryophyllea Barbara Ertter 1998-6-20 16233 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo. Alkali Pond at Wiget Lane entrance. 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
  UCD55743  Aira caryophyllea Beecher Crampton 1956-5-14 3416 Contra Costa 1/2 mile west of Martinez, on road to Crockett. Comment
  UC2028522  Aira caryophyllea Barbara Ertter 1997-9-14 15810 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  CAS-BOT-BC138386  Aira caryophyllea var. caryophyllea Barrett Anderson 1987-4-29 3479 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  UC2028028  Aira caryophyllea var. caryophyllea Barbara Ertter 1997-9-14 15805 Contra Costa West side of Mount Diablo, Dusty Road at north end of Wall Point Ridge. Comment
  CAS-BOT-BC175356  Allenrolfea occidentalis C. Hart Merriam 1906-9-13 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  JEPS127675  Allenrolfea occidentalis Barbara Ertter with David Gowen and Michael Park 2017-5-2 22815 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  POM164980  Allenrolfea occidentalis Jos Burtt Davy 1898-05 s.n. Contra Costa Byron Springs, Mt. Diablo region. Comment
  POM181433  Allium crispum I. L. Wiggins 1930-4-17 4565 Contra Costa Near Mountain House, Altamont Pass. Comment
  JEPS47591  Allium falcifolium W. L. Jepson 1921-5-22 9212 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475535  Allium serra R. Bacigalupi 1927-5-13 1570 Contra Costa Along Danville - Mt. Diablo Road near Garden of the Jungle Gods 518 Comment
  UC692029  Allium serra Mary L. Bowerman 1932-4-16 1361 Contra Costa Eagle Point ridge n 1862 point (canyon between the two ridges); Mount Diablo, Eagle Point ridge Comment
  UCD138636  Allium serra Cliff Low 1978-5-19 20 Contra Costa Back Canyon Creek, east of Eagle Peak on Mount Diablo. 304 Comment
  SEINET12044784  Allium serratum J. T. Howell 1933-1 11284 Contra Costa E of St. Mary's College Comment
  JEPS56395  Allium unifolium W. L. Jepson 1918-6-3 7588 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 685 Comment
  UC692022  Allium unifolium Mary L. Bowerman 1932-5-6 1425 Contra Costa near road, Mitchell Canyon Mt. Diablo, Mitchell Canyon 243 Comment
  CAS-BOT-BC476608  Allium unifolium Mary L. Bowerman 1933-6-3 2250 Contra Costa Small spring at bend below Silver Spring. Comment
  CAS-BOT-BC170933  Alnus rhombifolia Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  JEPS68944  Alnus rhombifolia Edward Lee 1935-2-10 1272 Contra Costa Wildcat Creek Berkeley, Berkeley Hills Comment
  SEINET3151403  Alnus rhombifolia L. S. Rose 1938-10-28 38307 Contra Costa Marsh creek, 6 miles East of Clayton. 152 Comment
  UC1135145  Alnus rhombifolia R. W. Lundh 1932-9-22 170 Contra Costa Sycamore Creek Mt. Diablo Quadrangle 228 Comment
  CDA31390  Alopecurus saccatus P. B. Kennedy 1916-5-11 Contra Costa Richmond, Grand View Terrace. 0 Comment
  UC691932  Amaranthus albus Mary L. Bowerman 1935-6-28 3176 Contra Costa s of Meridian Peak summit (300 yds e of the meridian fence); Mt. Diablo 487 Comment
  POM300587  Amaranthus albus Mary L. Bowerman 1932-8-27 1515 Contra Costa Pond south of Turtle Rock Comment
  UC2027978  Amaranthus blitoides Barbara Ertter with Mary Bowerman 1996-11-1 15397 a Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  POM300589  Amaranthus californicus Mary L. Bowerman 1935-9-13 3343 Contra Costa Frog Pond Comment
  JEPS85854  Amaranthus deflexus Barbara Ertter with Elizabeth Neese 1988-10-15 7973 Contra Costa w I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito Comment
  CDA9966  Ambrosia chamissonis D. G. Kelch, A. G. Murdock 2004-7-9 4 .312 Contra Costa Carquinez Strait; Rodeo Shore. Rodeo Shoreline. Comment
  UC1618423  Ambrosia chamissonis Barbara Ertter, Brad Olson 1993-10-30 12288 Contra Costa n.e. Rodeo (across railroad tracks from San Pablo Ave., small sandy beach next to jetty) Comment
  UC1948953  Ambrosia chamissonis William J. Ferlatte, L. Maynard Moe 1970-4-27 1219 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC222219  Amsinckia John Thomas Howell 1934-4-8 11826 Contra Costa South of Antioch Comment
  CAS-BOT-BC222226  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2131 Contra Costa Nortonville Comment
  CDA7931  Amsinckia intermedia D. G. Kelch, A. G. Murdock 2005-3-11 5 .039 Contra Costa Carquinez Strait Region; McEwen Road. Carquinez Shoreline EBRP. West of Martinez Highschool. Comment
  SBBG6220  Amsinckia intermedia J. M. Tucker 1946-3-24 1386 Contra Costa hills between Nortonville and Somersville 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
  UC615270  Amsinckia intermedia Beryl O. Schreiber 1932-3-27 130 Contra Costa near Mountain House Comment
  UC725369  Amsinckia intermedia A. A. Heller 1938-4-9 15014 Contra Costa in an orchard near Walnut Creek Comment
  RSA0090977  Amsinckia intermedia Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8130 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  SD211561  Amsinckia intermedia Barbara Ertter, Jim Jokerst et al 1989-4-5 8130 Contra Costa Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton. Comment
  UC1073066  Amsinckia intermedia Helen K. Sharsmith 1954-3-24 4410 Contra Costa e of Mount Diablo (Canyon slope back of Nortonville Mines); Inner South Coast Ranges 304 Comment
  UC24601 Image available Amsinckia lycopsoides J. Burtt Davy 1895-4-7 887 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC1178247  Amsinckia lycopsoides Francia Chisaki, R. Bacigalupi 1957-3-27 910 Contra Costa 0.75 mi w of Antioch (along Somersville road between Borden Highway and Southern Pacific Railway) 19 Comment
  UC479952  Amsinckia tessellata var. tessellata Katharine Brandegee May 1892 Contra Costa Antioch Comment
  CDA23562  Anagallis arvensis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .081 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  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
  UC635714  Anagallis arvensis A. E. Borell 1928-3-18 26 Contra Costa w. slope Mt. Diablo Comment
  JEPS95672  Anagallis monelli Nancy Hillyard 2000-4-23 Contra Costa E-facing slope overlooking Siesta Valley (on Skyline Trail between Vollmer Peak and Sibley Park) 300 Comment
  UC1111009  Androsace elongata subsp. acuta Herbert L. Mason 1928-3-4 4166 Contra Costa Shell Ridge 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
  UC407051  Anemopsis californica Rimo Bacigalupi 1926-4-30 1347 Contra Costa about 3 mi e of Walnut Creek (on Mount Diablo Road); Mount Diablo Road Comment
  CAS-BOT-BC400258  Anemopsis californica Miss E. Cannon 1892-6-6 s.n. Contra Costa Marshall Valley, foot of Mt. Diablo Comment
  RSA293388  Anemopsis californica Reino Alava 1958-5-25 2074 Contra Costa 1.5 miles N of Dublin on the rd to Walnut Creek. Comment
  JEPS111614  Angelica californica D. G. Kelch 2004-5-2 04 .166 Contra Costa Edwards Canyon, Crockett 125 Comment
  JEPS111664  Anthemis cotula A. G. Murdock 2004-5-28 302 Contra Costa Hercules - Carbon 50 Comment
  JEPS5266  Antirrhinum kelloggii Mary L. Bowerman 1932-4-27 1390 Contra Costa w of Riggs Canyon (s face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  JEPS112078  Aphanes occidentalis D. G. Kelch 2003-4-3 03 .347 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  UC12054  Aphanes occidentalis F. T. Bioletti 1892-4-8 Contra Costa Byron Comment
  UC2062618  Aphanes occidentalis Barbara Ertter with Save Mount Diablo outing 2003-5-8 18163 Contra Costa Mangini property on knoll west of Mount Zion, NW corner of Mount Diablo. Comment
  UC692374  Apiastrum angustifolium Mary L. Bowerman 1932-3-27 1145 Contra Costa between next spur to south and Mitchell Rock (Mount Diablo); Mount Diablo Comment
  UC692182  Aquilegia formosa Mary L. Bowerman 1938-6-14 3686 Contra Costa Juniper Camp Mount Diablo Comment
  RSA0125502  Arabis breweri E. W. Hicks 1917-3-24 111 Contra Costa Mt. Diablo. 1067 Comment
  CAS-BOT-BC407798  Arceuthobium campylopodum R. Bacigalupi 1922-9-24 s.n. Contra Costa Mitchell Canon, Mt. Diablo Comment
  UC1085344  Arceuthobium campylopodum Job Kuijt 1957-9-29 1425 a Contra Costa Rock City Mount Diablo Comment
  UC465859  Arceuthobium campylopodum E. W. Hicks 1917-3-25 110 Contra Costa canyon, n slope Mt. Diablo Comment
  UCR58375  Arctostaphylos andersonii var. auriculata Walter Knight, I. Knight 1980-6-14 3744 Contra Costa Original from Mt. Diablo State Park (Now in Tilden Regional Park Botanic Garden) Comment
  CAS-BOT-BC24108  Arctostaphylos auriculata Alice Eastwood; John Thomas Howell 1936-4-19 2130 Contra Costa Nortonville Comment
  CAS-BOT-BC24112  Arctostaphylos auriculata H. E. McMinn 1923-3-6 887 Contra Costa Head Sycamore canyon Comment
  CAS-BOT-BC24115  Arctostaphylos auriculata Mary L. Bowerman 1932-9-5 1546 Contra Costa Inner Black Hills: Near fire trail which runs south from large spur (on Meridian) heading into Sycamore Canyon. Comment
  CAS-BOT-BC24117  Arctostaphylos auriculata C. F. Baker 1903-5-31 3161 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC24123  Arctostaphylos auriculata Brandegee 1889-1-1 s.n. Contra Costa Antioch Comment
  JEPS38914  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2751 Contra Costa w face Lime Ridge (between two cuts of the Cowell Cement Company); Mount Diablo Comment
  POM300732  Arctostaphylos auriculata Mary L. Bowerman 1932-1-23 1075 Contra Costa Sycamore Canyon, east fork: East edge of chaparral near canyon bottom. Comment
  RSA622478  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27600 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  RSA622487  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27599 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  UC614738  Arctostaphylos auriculata Beryl O. Schreiber 1934-2-22 943 Contra Costa Devil's Slide Canyon Mount Diablo Comment
  UC83034  Arctostaphylos auriculata Katharine Brandegee 1889-1 Contra Costa Antioch Comment
  UCD50262  Arctostaphylos auriculata Roman Gankin 1968-11-14 1311 Contra Costa Ca. 300 yds. above road at Somersville. Comment
  CAS-BOT-BC23598  Arctostaphylos crustacea C. Hart Merriam 1919-8-24 s.n. Contra Costa Las Trampas Peak Comment
  CAS-BOT-BC24858  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1980-3-16 3716 Contra Costa Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch Road, El Sobrante. Comment
  POM367324  Arctostaphylos glauca Mark Morris 1929-03 14911 Contra Costa Mt. Diablo. Comment
  UC692232  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge (=Fossil Ridge) Comment
  UC692499  Arctostaphylos glauca Mary L. Bowerman 1931-9-12 1041 Contra Costa near road Mount Diablo, Mitchell-Pine divide Comment
  RSA632817  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27586 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA632819  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27583 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  UCD52165  Arctostaphylos manzanita Edward Lee 1936-1-12 1712 Contra Costa Canyon bottom; immediately south of Nortonville. Comment
  CAS-BOT-BC38879  Arctostaphylos manzanita subsp. laevigata H. E. McMinn 1923-3-6 884 Contra Costa Along roadside 1/4 (?) way from top of Mt. Diablo Comment
  CAS-BOT-BC38881  Arctostaphylos manzanita subsp. laevigata J. T. Howell 1926-3-7 1665 Contra Costa Mt. Diablo Comment
  JEPS124457  Arctostaphylos manzanita subsp. laevigata Daniel Slakey with CNPS Volunteers 2015-6-29 132 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  JEPS124461  Arctostaphylos manzanita subsp. laevigata Daniel Slakey with CNPS Volunteers 2015-6-29 137 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  JEPS38922  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-1-19 1074 Contra Costa just over crest of ridge on n-facing slope Mount Diablo, Inner Black Hills Comment
  JEPS78231 Image available Arctostaphylos manzanita subsp. laevigata James Roof 1009 Contra Costa along Black Diamond Trail Black Diamond Regional Reserve; Black Diamond Trail, of the Black Diamond Regional Preserve, Contra Costa Co. 121 Comment
  SEINET223757 Image available Arctostaphylos manzanita subsp. laevigata Alice Eastwood 1922-3-17 11082 Contra Costa Mt. Diablo. Comment
  UC549752  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 686 Contra Costa Mt. Diablo Comment
  UC692221  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 540 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UC692515  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-9-20 1043 Contra Costa little above road Mount Diablo, Fossil (Rock City) Ridge Comment
  UC692516  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 541 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UC692517  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 539 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UC82944  Arctostaphylos manzanita subsp. laevigata Katharine Brandegee 1889-1 5 Contra Costa Antioch Comment
  UC2027944  Arctostaphylos manzanita subsp. laevigata Barbara Ertter 1997-9-7 15797 Contra Costa North side Mount Diablo, Donner Canyon, Middle Trail below Falls Trail junction. Comment
  CAS-BOT-BC24384  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-1-19 1073 Contra Costa Mount Diablo, Inner Black Hills. Comment
  CAS-BOT-BC24389  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1980-3-16 3713 Contra Costa Opposite 5996 Skyline Drive, El Sobrante. Comment
  CAS-BOT-BC24392  Arctostaphylos manzanita subsp. manzanita Walter Knight 1979-5-31 3376 Contra Costa Morgan Territory Regional Land Bank. Comment
  CAS-BOT-BC42235  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  LA42216  Arctostaphylos pallida Lewis S. Rose; 1934-1-29 34010 Contra Costa Summit of Oakland Hills above Redwood Canyon Comment
  JEPS48826  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27507 Contra Costa Moraga Ridge Oakland Hills Comment
  RSA202867  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1703 Contra Costa Western end of Las Trampas Ridge Comment
Read comments
Jul 2 2011
  UC549410  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 622 Contra Costa Moraga Ridge Comment
  UC549464  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 629 Contra Costa Moraga Ridge Comment
  UC549470  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 623 Contra Costa Moraga Ridge Comment
  UC876405  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 624 Contra Costa Moraga Ridge Comment
  UC909879  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 631 Contra Costa Moraga Ridge Comment
  UC2032801 Image available Argyranthemum foeniculaceum Doran, Andrew Scott 2012-3-20 671 Contra Costa Brooks island loading dock, North side of island. Comment
  UCD129096  Argyranthemum foeniculaceum G. Thomas Robbins; John Weiler 1959-5-23 4022 Contra Costa portion of Brooks Island (its northwestern extension), San Francisco Bay. Comment
  JEPS100124  Aristolochia californica G. Smick 2003-2-27 GAS 55 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET12097752  Aristolochia californica M. T. Doutt 1931-1 253 Contra Costa San Pablo Creek near Orinda Comment
  UC1606406  Aristolochia californica Barbara Ertter 1993-4-2 11476 Contra Costa below Vista Rd. w. of Crockett (midslope, Carquinez Regional Park); Carquinez Regional Park Comment
  JEPS111689  Artemisia californica D. G. Kelch 2004-3-5 04 .7 Contra Costa Martinez - Rankin Park 56 Comment
  JEPS36980  Artemisia californica W. L. Jepson 1898-10-18 Contra Costa Mount Diablo Comment
  CAS-BOT-BC90298  Artemisia douglasiana Walter Knight; Joanne Dean 1978-8-14 3132 Contra Costa Browns Island Comment
  UC543763  Asarum caudatum Herbert L. Mason 1925-9-27 2236 Contra Costa San Leandro Canyon (Redwood Canyon); Oakland Hills Comment
  UC1123499  Asclepias californica C. M. Belshaw 1936-5-15 2131 Contra Costa 1/2 mi wsw Stewartsville; Mt. Diablo Quadrangle Comment
  UC1543026  Asclepias californica Donald G. Nelson 1937-4-24 520 Contra Costa between Byron and Clayton (on March Creek Road) Comment
  CDA28791  Asclepias cordifolia D. G. Kelch, Troy MacGregor 2009-5-24 9 .302 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  UC35243  Asclepias cordifolia Prof. E. L. Greene April 1889 Contra Costa hills near Martinez Comment
  RSA0029364  Asclepias fascicularis Barbara Ertter, Mary L. Bowerman, Lisa Schultheis 1996-7-5 14916 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  SBBG93247  Asclepias vestita D. G. Nelson 1937-4-24 520 Contra Costa Marsh Crk Rd, between Byron and Clayton Comment
  SEINET11851717  Aster subulatus var. ligulatus L. S. Rose 1938-1 38312 Contra Costa Byron 3 Comment
  POM19312  Astragalus asymmetricus Katherine Brandegee 1908-1 s.n. Contra Costa Near Antioch Comment
  UC13388  Astragalus asymmetricus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UC1606355  Astragalus asymmetricus Barbara Ertter with Dianne Lake 1991-8-18 10678 Contra Costa nw Bull Valley staging area (Carquinez Strait Regional Shoreline e of Crockett); Carquinez Strait Regioinal Shoreline e of Crockett Comment
  UC168336  Astragalus asymmetricus Katharine Brandegee 1908-1 Contra Costa near Antioch; near Antioch Comment
  POM181432  Astragalus asymmetricus I. L. Wiggins 1930-4-17 4562 Contra Costa Near Mountain House, Altamont Pass. Comment
  UC83444  Astragalus didymocarpus Katharine Brandegee May 1886 Contra Costa Antioch Comment
  UC13421  Astragalus gambelianus W. H. Brewer 1862-5-12 1071 Contra Costa Monte Diablo Comment
  CAS-BOT-BC178474  Astragalus gambelianus Mary L. Bowerman 1931-4-4 643 Contra Costa North of West road, sandy dry bank at low altitude, Mount Diablo. Comment
  SEINET947942  Astragalus tener Peter H. Raven 1957-1 10586 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC193335  Astragalus tener var. tener Alice Eastwood 1914-3-14 3818 Contra Costa Byron Springs Comment
  CAS-BOT-BC17455  Athysanus pusillus Alice Eastwood 1914-2-24 3739 Contra Costa Antioch. Comment
  CAS-BOT-BC17457  Athysanus pusillus John Thomas Howell 1931-3-10 5754 Contra Costa East side of Mount Diablo 7 miles from Clayton on Livermore Road. Comment
  UC691075  Athysanus pusillus Mary L. Bowerman 1935-4-27 2887 Contra Costa Ridge w of Pioneer Road ((w of Old Stage Road)) 853 Comment
  UC691076  Athysanus pusillus Mary L. Bowerman 1931-2-28 525 Contra Costa Fossil Ridge near Rock City (Mount Diablo); , Fossil Ridge 518 Comment
  RSA452692  Atriplex argentea L. S. Rose 1932-10-2 32660 Contra Costa Byron. Comment
  CAS-BOT-BC168537  Atriplex coronata H. M. Hall 1923-10-2 s.n. Contra Costa Byron Hot Springs Comment
  CDA37399  Atriplex coronata D. G. Kelch, Mike Perlmutter 2011-9-23 11 .76 Contra Costa Entry to Discovery Bay. Comment
  CDA9500  Atriplex depressa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .227 Contra Costa Byron Airport. Comment
  JEPS59616  Atriplex joaquinana W. L. Jepson May 1891 Contra Costa Mt. Diablo region Comment
  RSA74085  Atriplex joaquinana Milo S. Baker 1946-4-20 11329 Contra Costa Near Concord Comment
  JEPS41046  Atriplex leucophylla Rimo Bacigalupi and L. R. Heckard 1965-5-11 9071 Contra Costa on strand at n end Brooks Island (in San Francisco Bay sw of Richmond); San Francisco Bay, sw of Richmond, n end Brooks Island Comment
  UC2042800  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetlands Preserve just W of Antioch marina. Comment
  RSA299534  Atriplex rosea Walter Knight 1978-8-20 3232 Contra Costa Along Frederickson Lane, Contra Lowa Regional Park. Comment
  SEINET5345887  Atriplex semibaccata H. Yates 1934-9-2 4064 Contra Costa 1 mile northeast of Danville Comment
  UC53773  Avena barbata Jos. Burtt Davy 1899-4-19 7839 Contra Costa Claremont Canyon Comment
  UCD56170  Avena barbata Beecher Crampton 1956-5-14 3404 Contra Costa Southeast of Mt. Diablo. Headwaters of Marsh Creek. 640 Comment
  RSA129571  Avena fatua R. W. Lundh 1933-3-25 218 Contra Costa 1 mi. W. & 1/2 N. of Lafayette Acalanes; Concord 213 Comment
  UCSB12521  Avena fatua Grah, Nancy 1962-4-14 Contra Costa 0.2 mi N of Miner Rd on Sleepy Hollow Lane; Orinda 182 Comment
  CAS-BOT-BC145878  Avena fatua Mary L. Bowerman 1933-4-26 1911 Contra Costa Mount Diablo. North Peak ridge east-southeast of the peak. 609 Comment
  UC2062639  Baccharis douglasii Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19796 Contra Costa Mudflats at upper (south) end of San Pablo Dam Reservoir northwest of Orinda. Comment
  CDA10375  Baccharis glutinosa D. G. Kelch, A. G. Murdock 2004-9-2 4 .337 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  UC1618405  Baccharis glutinosa Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10696 Contra Costa n. Pittsburg (Browns Isl., near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, flat in center of w. end of island); Browns Island Comment
  JEPS21278  Baccharis glutinosa J. Thomas Howell 1926-1-17 1627 Contra Costa between Cashion and Las Trampas Ridge Cashion Comment
  UC697205  Baccharis glutinosa Mary L. Bowerman 1938-9-17 3719 Contra Costa Willow Spring Comment
  OBI37081  Baccharis pilularis Calvin Craig 1983-11-5 20 Contra Costa Colelcted on North east side of Mt. Diablo Comment
  JEPS102908  Balsamorhiza deltoidea Barbara Ertter with Holly Forbes 1997-4-20 15564 Contra Costa NE base of Eagle Ridge, Back Creek Trail to Coulter Pine Trail Mount Diablo 213 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
  JEPS11296  Bellardia trixago Joseph P. Tracy 1921-5-17 5566 Contra Costa near Martinez; Northern Coast Ranges 30 Comment
  JEPS15610  Bellardia trixago R. Bacigalupi and G. Thomas Robbins 1955-5-4 4973 Contra Costa E edge, field along treat Lane Concord; Clayton Valley 60 Comment
  SD26790  Bellardia trixago Paul Covel May 1938 Contra Costa Bet. Martenez and Crockett Comment
  CHSC23354  Bellis perennis Willis Ball 1975-2-23 441 Contra Costa Contra Loma Regional Park. In area #1. Ca. 40 yds W of restroom facility on the S end of the lake. 30 Comment
  CAS-BOT-BC75786  Berberis pinnata H. E. McMinn 1923-3-17 897 Contra Costa Sycamore Canyon - 2 miles from Black Hawk Ranch - left canyon. Comment
  UC697191  Berula erecta Mary L. Bowerman 1931-8-29 1031 Contra Costa Mount Diablo, Sheep Camp Spring, by North Road Sheep Camp Spring; Mount Diablo, Sheep Camp Spring Comment
  CAS-BOT-BC102106  Bidens cernua Peter Raven 1948-11-28 172 Contra Costa Sloughs, L. San Joaquin R. Comment
  CAS-BOT-BC102034  Bidens laevis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  NY31016  Blennosperma californicum A. M. Carter 1937-3-28 1225 Contra Costa Marsh Creek road, 15 miles east of Concord 152.4 Comment
  RSA114082  Blennosperma nanum H. K. Sharsmith 1954-3-24 4409 Contra Costa Hillslope above old Nortonville Mines, near Kirker Pass road between Clayton and Antioch. 305 Comment
  CAS-BOT-BC100703  Blennosperma nanum var. nanum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  JEPS17891  Blennosperma nanum var. nanum Rimo Bacigalupi with G. T. Robbins 1956-3-26 5526 Contra Costa Deer Valley, along Deer Valley Road 76 Comment
  JEPS18383  Blennosperma nanum var. nanum Rimo Bacigalupi with F. Chisaki 1957-3-27 5761 Contra Costa 1/2 mi w, 3 1/2 mi se of Antioch, jct of Lone Tree Way and Hillcrest Ave Lone Tree School 39 Comment
  UC894085  Blennosperma nanum var. nanum Lewis S. Rose 1941-3-13 41035 Contra Costa 3 mi s of, Byron 7 Comment
  CAS-BOT-BC100701  Blennosperma nanum var. nanum Annetta Carter 1937-3-28 1225 Contra Costa March Creek Road, 15 miles east of Concord 152 Comment
  RSA121587  Blepharizonia laxa G. T. Nordstrom 1937-10-28 s.n. Contra Costa 1.6 miles NNE of Somersville 183 Comment
Read comments
Dec 16 2012
  UCD129617  Blepharizonia laxa Robert E. Preston 1996-9-27 1012 Contra Costa NW-facing hillside, 0.5 mile south of Contra Loma Reservoir. 106 Comment
  CAS-BOT-BC100335  Blepharizonia plumosa R. F. Hoover 1937-9-2 2708 Contra Costa Walnut Creek Comment
  CAS-BOT-BC100339  Blepharizonia plumosa T. S. Brandegee Sept. 1883 s.n. Contra Costa Antioch Comment
  JEPS105485  Blepharizonia plumosa Eva Buxton 1994-8-10 1099 Contra Costa Cowell Ranch, ca 1/2 mile east and 1 mile south of Marsh Creek Reservoir Comment
  SEINET183705  Boechera breweri L. Constance, J. L. Morrison 1938-4-5 2192 Contra Costa Near Mitchell Canyon on west slope of Mount Diablo. 610 Comment
  CAS-BOT-BC15955  Boechera breweri subsp. breweri Alice Eastwood 1915-5-30 4513 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC15966  Boechera breweri subsp. breweri A. D. E. Elmer 1903-6-1 5096 Contra Costa Mount Diablo. Comment
  UC10111  Boechera breweri subsp. breweri H. P. Chandler and H. M. Hall 1901-4-5 Contra Costa Mt. Diablo summit Mt. Diablo Comment
  UC691071  Boechera breweri subsp. breweri Mary L. Bowerman 1933-4-26 1929 Contra Costa between the ridge to the s and North Peak main e ridge (Perkins Canyon branch); Mount Diablo, Perkins Canyon 518 Comment
  CAS-BOT-BC15957  Boechera breweri subsp. breweri H. E. McMinn 1923-3-6 880 Contra Costa Near summit of Mount Diablo. Comment
  UCD35160  Bolboschoenus maritimus subsp. paludosus Beecher Crampton 1950-7-28 622 Contra Costa Richmond. Comment
  UCD161761  Bolboschoenus robustus James A. Neilson Jr.; Samuel A. Bamberg 1972-10-22 3502 Contra Costa Walnut Creek drainage. (Exact location unknown. Coordinates and elevation estimated by label maker based on collection data from same date.) 1 Comment
  CDA33584  Borago officinalis Guise, Deviney 2010-5-2 PDR# 1645151 Contra Costa Martinez; 651 Pine St. 0 Comment
  CAS-BOT-BC95309  Bowlesia incana John Thomas Howell 1933-3-29 10901 Contra Costa Nortonville hills Comment
  PASA1924  Bowlesia lobata Annetta Carter 1929-3-31 Contra Costa Hills north on Mt. Diablo. Near Clayton Comment
  CAS-BOT-BC36726  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island. Comment
  RSA7210809  Briza maxima Barbara Ertter, Chris Thayer 1995-4-25 13999 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd at northeast FK of Sycamore Creek 396 Comment
  JEPS100061  Brodiaea elegans G. Smick 2003-6-6 GAS 216 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC407032  Brodiaea terrestris subsp. terrestris Ira L. Wiggins 1930-4-17 4573 Contra Costa near Byron Comment
  SEINET7297525 Image available Bromus berteroanus Beecher Crampton 1956-1 3415 Contra Costa Oak woodland, foothills, 1/2 mile west of Martinez Comment
  CDA23631  Bromus carinatus D. G. Kelch, D. A. Weinstein 2008-4-25 8 .089 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  UCD58220  Bromus carinatus P. B. Kennedy 1916-5-21 46 X Contra Costa Between Diablo and Summit. Comment
  UCD58246  Bromus carinatus A. A. Beetle 1942-3-22 2931 Contra Costa Brooks Island in San Francisco Bay. Comment
  SEINET10520207  Bromus carinatus Alan A. Beetle 1942-3-22 Beetle 2931 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  SEINET191354 Image available Bromus carinatus var. carinatus A. A. Beetle 1942-3-22 2931 Contra Costa Brooks Island, San Francisco Bay near Richmond. Comment
  UC692285  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-16 3010 Contra Costa behind Gabriel-Hinks (Mount Diablo, e side of North Peak); Mount Diablo, North Peak 289 Comment
  SBBG115848  Bromus carinatus var. marginatus B. Crampton 1956-5-14 3393 Contra Costa ca. 7 mi SW of city of Antioch, just E of old mining town of Nortonville Comment
  UC2028404  Bromus diandrus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16113 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail Comment
  CAS-BOT-BC156064  Bromus diandrus Mary L. Bowerman 1935-4-19 2876 Contra Costa Mount Diablo. Road about 7miles from North Gate, ridge west of the power poles, above the road junction. 701 Comment
  CAS-BOT-BC156068  Bromus diandrus Mary L. Bowerman 1935-5-25 3068 Contra Costa South of the summit and east of the haripin turn on the highway. 1066 Comment
  POM363884  Bromus hordeaceus Anstruther Davidson 1930-07 3244 Contra Costa Mt. Diablo. Comment
Read comments
Mar 6 2011
  UC2032813  Bromus hordeaceus Doran, Andrew Scott 2012-3-20 683 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  SEINET191356 Image available Bromus hordeaceus subsp. hordeaceus P. F. Knowles 1942-6-1 87 -10 Contra Costa CULTIVATED; Briones Hills Comment
  UC692368  Bromus laevipes Mary L. Bowerman 1935-5-30 3095 Contra Costa between two ridges which converge at Twin Peaks ((Eagle Point Ridge)); Mount Diablo 350 Comment
  SEINET10835104  Bromus macrostachys Davis 1941-1 Davis B 139 Contra Costa Briones Hills. Cultivated, greenhouse. (See Ph.D. thesis of P.F. Knowles, 1942.) Comment
  JEPS100023  Bromus madritensis G. Smick 2003-3-27 GAS 96 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC162352  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  CAS-BOT-BC162357  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  SEINET191355 Image available Bromus madritensis P. F. Knowles B 139 Contra Costa CULTIVATED ; Briones Hills greenhouse Davis. Comment
  UC677561  Bromus madritensis subsp. madritensis P. F. Knowles 1942-1 B 142 Contra Costa Briones Hills 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
  UC692333  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-5-22 3037 Contra Costa w of Twin Peaks (n end of Eagle Point Ridge, Mount Diablo); Mount Diablo, Eagle Point Ridge 304 Comment
  UCD59573  Bromus rubens P. B. Kennedy 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  UC692338  Bromus trinii Mary L. Bowerman 1935-4-17 2844 c Contra Costa North Road 2 mi from North Gate (immediately e of section line); Mount Diablo, North Road 304 Comment
  CAS-BOT-BC185033  Calamagrostis rubescens Virginia E. Long 1933-6-14 222 a Contra Costa Mount Diablo. Inner Black Hills. 563 Comment
  CDA23935  Calandrinia ciliata D. G. Kelch 2007-4-1 7 .11 Contra Costa Carquinez Strait; Pt. Pinole. Comment
  CAS-BOT-BC438364  Calandrinia ciliata Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC570761  Callitriche marginata H. L. Mason 1932-3-16 6810 Contra Costa At east edge Walnut Creek, along S.P. Railroad track Comment
  JEPS108220  Calochortus albus David Gowen 2005-4-30 275 Contra Costa Los Vaqueros Watershed. Hills above west side of valley at intersection of Round Valley and Morgan Territory Regional Preserves. Comment
  JEPS102891  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
  RSA0026152  Calochortus argillosus Barbara Ertter, Dan Norris 1998-6-18 16209 Contra Costa South Gate Road on south flank of Mount Diablo, ca. 1 mile in from park boundary. 305 Comment
  SEINET5192548  Calochortus luteus Unknown 1995-6-15 03 Contra Costa Mt.Diablo State Park; near entrance Comment
  CAS-BOT-BC490528  Calochortus luteus Mary L. Bowerman 1933-6-14 2281 Contra Costa Inner Black Hills west of 1970 Comment
  CAS-BOT-BC132488  Calochortus pulchellus A. D. E. Elmer 1903-6-1 4631 Contra Costa Mount Diablo Comment
  JEPS17770  Calochortus pulchellus Alice Eastwood 1899-5-21 Contra Costa Mount Diablo Comment
  JEPS55634  Calochortus pulchellus Wayne Roderick 1967-5-30 Contra Costa ca 7 rd mi e Clayton (Marsh Creek Road, between Marsh Creek Stables and Inn) Comment
  POM170033  Calochortus pulchellus H. M. Hall 1910-5-30 10132 Contra Costa Mt. Diablo, north slope near Pine Canyon 366 Comment
  UC119762  Calochortus pulchellus Carl Purdy 1899-5-15 Contra Costa Mount Diablo Comment
  UC1300909  Calochortus pulchellus Helen K. Sharsmith 1962-5-20 5069 Contra Costa Morgan Territory Road, ne slopes of Mount Diablo San Francisco Bay Region, Mount Diablo 365 Comment
  UC3461  Calochortus pulchellus W. H. Brewer 1862-5-7 1063 Contra Costa n slope Mount Diablo Comment
  UC672145  Calochortus pulchellus Herbert L. Mason 1928-4-29 4420 Contra Costa Sycamore Canyon Mount Diablo Comment
  UC767890  Calochortus pulchellus R. F. Hoover 1938-5-4 3339 Contra Costa Marsh Creek canyon Marsh Creek Comment
  UC843700  Calochortus pulchellus Harold V. Manor 1913-5-18 Contra Costa Mt. Diablo Comment
  SBBG52847  Calochortus umbellatus M. L. Long -Apr-1978 Contra Costa hills W of Rossmoor, Walnut Crk Comment
Read comments
Jan 28 2012
  CAS-BOT-BC494046  Calochortus venustus Alice Eastwood 1915-5-30 4445 Contra Costa Mt. Diablo Comment
  UC2027939  Calochortus venustus Barbara Ertter with Tony Morosco and other CNPS members 2001-5-6 17623 Contra Costa Northwest flank of Mount Diablo, Globe Lily Trail paralleling Mitchell Canyon Road. Comment
  UCD95579  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
  UC2029105  Calycadenia truncata Barbara Ertter 2000-7-29 17441 Contra Costa Donner Basin on north side of Mount Diablo, ca halfway up Middle Trail. Comment
  CAS-BOT-BC224748  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-6-8 3126 Contra Costa Mount Diablo. Summit 1170 Comment
  CAS-BOT-BC224752  Calystegia malacophylla subsp. pedicellata Paul F. Covel 1940-5-12 1785 Contra Costa Summit Mt. Diablo Comment
  RSA397145  Calystegia malacophylla subsp. pedicellata Anstruther Davidson 1917-07 3251 Contra Costa Mt. Diablo Comment
  UC23168  Calystegia sepium subsp. binghamiae Jos. Burtt Davy 1900-6-7 6664 Contra Costa near Martinez; near Martinez Comment
  UC1965403  Calystegia subacaulis R. K. Brummitt and B. Ertter 2012-6-17 22061 Contra Costa Berkeley Hills, Tilden Park, Seaview Trail north of Vollmer Peak Comment
  UC2042951  Calystegia subacaulis Barbara Ertter 2002-5-11 17836 Contra Costa Southwest base of Mount Diablo, Green Valley Trail west of Mount Diablo State Park boundary SW of Wall Point (paralleling white paddock fence) 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
  UC764489  Calystegia subacaulis subsp. subacaulis R. F. Hoover 1939-4-25 4059 Contra Costa Richmond Hills Comment
  UC2028306  Calystegia subacaulis subsp. subacaulis Barbara Ertter, Susan D'Alcamo 1998-6-12 16199 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo. Comment
  UC20452  Camissonia campestris subsp. campestris J. Burtt Davy 1895-4-7 879 Contra Costa Antioch Comment
  POM31985  Camissonia contorta C. F. Baker 1903-4-25 2824 Contra Costa Antioch. Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC873941  Camissonia contorta Lewis S. Rose 1938-5-8 38223 Contra Costa sand hills Antioch 15 Comment
  JEPS111561  Camissonia ovata A. G. Murdock 2004-3-19 221 Contra Costa Luzon: Sycamore Ave. just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Top of ridge to south of road. 60 Comment
  UC635408  Camissoniopsis micrantha H. L. Mason 1932-3-20 6850 Contra Costa sand hills near Antioch Comment
  CAS-BOT-BC266436  Campanula exigua Alice Eastwood 1915-5-30 4452 Contra Costa Mount Diablo Comment
  JEPS2508 Image available Campanula exigua Volney Rattan 1886-6-14 Contra Costa summit Monte Diablo; Summit of Mt. Diablo Comment
  SEINET10461960  Campanula exigua Rattan 1886-6-14 RATTAN s.n. Contra Costa Summit of Mount Diablo Comment
  UC1055904  Campanula garganica N. Floy Bracelin 1941-6-1 1347 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1789104  Campsis radicans Barbara Ertter 1998-5-10 16370 Contra Costa southeast edge of Antioch Marina. Comment
  UC1789147  Campsis radicans Barbara Ertter 1998-5-10 16370 Contra Costa southeast edge of Antioch Marina. Comment
  CDA23569  Capsella bursa-pastoris D. G. Kelch 2008-3-3 8 .031 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  UC1126864  Capsella bursa-pastoris R. C. Wilson 1935-3-19 140 Contra Costa 2 mi nw of Wall Point 518 Comment
  CAS-BOT-BC37395  Cardamine californica Robert Francis Hoover 1938-2-21 2754 Contra Costa Point Richmond. Comment
  UC2032840  Cardamine californica Doran, Andrew Scott 2012-3-20 711 Contra Costa North east side of Brooks Island Comment
  UC517996  Cardamine californica John Thomas Howell 1931-3-10 5757 Contra Costa on Livermore Road 7 mi from Clayton (e side Mt. Diablo); e side Mt. Diablo Comment
  UC691077  Cardamine californica Mary L. Bowerman 1930-6-10 303 Contra Costa Mount Diablo Comment
  UCR17079  Cardamine californica James K. Ryan 1969-3-31 45 Contra Costa Mt. Diablo State Park, 0.25 mi inside S gate entrance at first large turnout on left side of rd, at top of steep hill 701 Comment
  LA204290  Cardamine californica Carl B. Wolf; 1937-3-28 8319 Contra Costa 2 mi. S of Pinole on San Pablo Road 30 Comment
  RSA272927  Cardamine californica var. integrifolia Lyman Benson 1935-3-16 6263 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  CDA8345  Cardamine flexuosa D. G. Kelch, A. G. Murdock 2003-3-21 03 .065-B Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  UC2070560  Cardamine hirsuta Barbara Ertter 2002-5-16 17853 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CAS-BOT-BC37863  Cardamine oligosperma Mary L. Bowerman 1932-3-6 1100 Contra Costa Mount Diablo. Sycamore Canyon, east fork. Near trail. Comment
  UC1795887  Cardaria draba Barbara Ertter, Rich Rabeler 1994-6-6 12819 Contra Costa Point Isabel in south Richmond; south of Central Avenue in brome field. Comment
  JEPS25275  Cardaria pubescens G. Thomas Robbins 1959-9-13 4162 Contra Costa R.R. right-of-way above salt marsh at n. edge Pinole Comment
  JEPS99960  Carduus pycnocephalus subsp. pycnocephalus G. Smick 2003-4-10 GAS 137 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA9484  Carduus tenuiflorus D. G. Kelch, Abigail Moore, Michael Park 2007-5-1 7 .209 Contra Costa Byron Airport. Comment
  UC691373  Carduus tenuiflorus Mary L. Bowerman 1934-6-9 2547 Contra Costa bend by sign reading 4.4 mi to summit Diablo Trail sign (South Road); Mount Diablo 304 Comment
  CAS-BOT-BC281804  Carduus tenuiflorus David Keck 1941-6-5 5312 Contra Costa Berkeley Hills, Fish Creek Rd, 0.25 mile W of E portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC17998  Carex aquatilis var. dives Brian Atwater 1979-5-6 BA- 198 Contra Costa Between Bethel Island and Holland Tract. Comment
  CAS-BOT-BC19206  Carex barbarae Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa About 50 ft. from shore of San Joaquin River. Antioch sand dunes, Little Corral site. Comment
  UC2029200  Carex densa Barbara Ertter 2003-2-8 18091 a Contra Costa Richmond Field Station (UC-Berkeley) Comment
  UC691962  Carex densa Mary L. Bowerman 1934-4-21 2531 Contra Costa at junction of North and South Roads Canyon Nook Comment
  UC1026409  Carex globosa John Thomas Howell 1953-3-15 28923 Contra Costa Rock City Mt. Diablo Comment
  SEINET11263180  Carex globosa Barbara Ertter, A. T. Whittemore; Joanne Kerbavaz 2001-5-22 17650 Contra Costa South side of Mount Diablo, headwaters of West Branch Alamo Creek ESE of Knobcone Point, below powerline at end of Knobcone Point road.; 0 457 Comment
  UC2028235  Carex globosa Barbara Ertter, Tony Morosco 1998-9-18 16439 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC2070637  Carex leptopoda Barbara Ertter with Debra Trock 2005-6-25 18608 Contra Costa North end Redwood Regional Park, Stream Trail along Redwood Creek. 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
  SEINET3451402  Carex praegracilis Dean G. Kelch, Andrew G. Murdock 2005-3-24 DGK 5 .064 Contra Costa Corquinez Strait Region, Corquinez Strait Region, Southern Point Pinole 3 Comment
  UCD77460  Carex rossii Robert E. Preston 1999-3-21 1204 Contra Costa Black Diamond Mines Regional Preserve, at top of rock outcrops along the w side of the Black Diamond Mines trail, just s of its jct with Manhattan Canyon trail cutoff. 365 Comment
  POM300643  Carex serratodens Mary L. Bowerman 1935-6-1 3120 Contra Costa Mount Diablo: Grapevine Picnic Grounds (by road just below Silver Spring) 854 Comment
  UC2032812  Carex tumulicola Doran, Andrew Scott 2012-3-20 682 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  UC1050822  Castilleja affinis N. Floy Bracelin 1941-6-1 1350 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS15237  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. Thomas Robbins 1956-5-11 5643 Contra Costa near summit of Hampton Road grade (on the Pinole Creek side, over hill n of Bear Creek and leading to Briones Valley School (which is not in Briones Valley)) 220 Comment
  JEPS19387  Castilleja affinis subsp. affinis G. Thomas Robbins 1937-4-17 119 Contra Costa near Point Richmond Comment
  UC1039781  Castilleja affinis subsp. affinis H. L. Mason 1928-4-29 4438 Contra Costa Mount Diablo Comment
  UC400170  Castilleja affinis subsp. affinis Ynes Mexia 1929-4-21 2384 Contra Costa Moraga Valley Comment
  UC1952816  Castilleja densiflora Barbara Ertter 2010-5-12 19831 Contra Costa Miller Knox Regional Shoreline at south edge of Point Richmond; along West Ridge Trail Comment
  CHSC22515  Castilleja exserta Robert A. Schlising 1962-3-24 2106 Contra Costa Coast Ranges. Along Marsh Creek Road, about 4 mi w of Byron. Comment
  CDA41324  Castilleja exserta subsp. exserta D. G. Kelch 2004-5-7 4 .187 Contra Costa Carquinez Strait; Canada del Cierbo. Comment
  UC691566  Castilleja exserta subsp. exserta Mary L. Bowerman 1931-4-4 646 Contra Costa about 1 mi from North Gate, Mount Diablo (North Road); Mount Diablo Comment
  UC691561  Castilleja foliolosa Mary L. Bowerman 1931-3-1 532 Contra Costa e of meridian Inner Black Hills; Mount Diablo Comment
  UC691651  Castilleja foliolosa Mary L. Bowerman 1933-3-25 1762 Contra Costa Diablo Stock Farm (Stone Valley) Canyon (= Emmons Canyon) Stone Valley; Mount Diablo Comment
  CDA41397  Castilleja rubicundula subsp. lithospermoides A. G. Murdock 2003-6-24 114 Contra Costa Carquinez Strait; Near upper trail on north side of Mount Wanda, Martinez. Comment
  JEPS99573  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1978-5-24 Contra Costa Mount Diablo. Donner Canyon, west side trail of Hetherington Loop 2 Comment
  UC1051331  Castilleja rubicundula subsp. lithospermoides N. Floy Bracelin 1941-6-15 1398 Contra Costa ADELANTE, The Garden of Anson and Anita Blake, Berkeley. Comment
  UC27222  Castilleja rubicundula subsp. lithospermoides W. H. Brewer 1862-5-20 1132 Contra Costa hills ne Mt. Diablo Comment
  CHSC67903  Caulanthus flavescens James D. Jokerst 1989-3-31 3078 Contra Costa Hillside E of creek in Brushy Creek Canyon. Comment
  CAS-BOT-BC40508  Caulanthus lasiophyllus A. A. Heller 1908-4-17 8907 Contra Costa Hills three miles south of Antioch. 18 Comment
  CAS-BOT-BC40515  Caulanthus lasiophyllus W. H. Brewer 1862-4-24 987 Contra Costa Camp 68. Martinez. Comment
  CHSC57361  Caulanthus lasiophyllus Willis Ball 1975-3-2 451 Contra Costa Contra Loma Regional Park, in are #2. On s side of hill ca. 400 yds w of boat ramp at w side of lake. 60 Comment
  CAS-BOT-BC40512  Caulanthus lasiophyllus Bolander 1863-1-1 s.n. Contra Costa San Pablo Landing. Comment
  UC18269  Ceanothus cuneatus var. cuneatus State Survey 1862-5-7 1062 Contra Costa summit of Mt. Diablo Comment
  CAS-BOT-BC51496  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1930-6-22 365 Contra Costa Mitchell Canyon: North slope Comment
  CDA7092  Centaurea calcitrapa D. G. Kelch, A. G. Murdock 2004-6-19 4 .281 Contra Costa Carquinez Strait Region; Crockett - Tormey Headlands. Along railroad tracks west of Carquinez Bridge Crockett (Valona). Comment
  JEPS30702  Centaurea calcitrapa T. C. Fuller 1961-9-13 7000 Contra Costa ca. 4 mi se of Byron (Hwy J4) Comment
  UCD159458  Centaurea calcitrapa D. S. Park; K. Yeo 2010-8-7 212 Contra Costa Mare Island. Along Railroad Rd. Growing next to old railroads w/ Cichorium, parsnip. Shrubby. Road blocked. 8 Comment
  JEPS111518  Centaurea melitensis D. G. Kelch 2005-5-13 05 .281 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 66 Comment
  JEPS99540  Centaurea melitensis Mary L. Bowerman 1995-6-4 Contra Costa Mount Diablo, North Gate Rd. Comment
  UC691364  Centaurea melitensis Mary L. Bowerman 1930-6-3 237 Contra Costa 1.9 mi from entrance West Road (= North Road); Mount Diablo Comment
  RSA721533  Centaurea melitensis Mary L. Bowerman 1994-6-19 s.n. Contra Costa Mount Diablo, Muir Area. adjacent to road Comment
  UC691370  Centaurea melitensis Mary L. Bowerman 1932-11-19 1661 Contra Costa little below junction of pipes from no. 3 and no. 4 club springs Mountain Springs Canyon (Stachys Spring); Mount Diablo, , Stachys Spring Comment
  RSA666408  Centaurea repens Bob Case 2001-10-2 s.n. Contra Costa Southeast Pleasant Hill, East Bay Municipal Utilities District right-of-way on West Hookston Road Comment
  UC2027958  Centaurea solstitialis Barbara Ertter with Joanne Kerbavaz 2000-8-20 17495 Contra Costa South side Mount Diablo, ca halfway up South Gate Road. Comment
  JEPS111970  Centaurium davyi D. G. Kelch 2004-4-26 04 .149 Contra Costa Point Pinole Pt. Pinole 1 Comment
  UC2028274  Centaurium davyi Barbara Ertter 1999-6-12 16702 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UC1050885  Centranthus ruber N. Floy Bracelin 1942-5-17 1287 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCD137523  Centranthus ruber S. P. Lynch 1974-4-24 499 Contra Costa along Clayton Road east of Conrad, Mt. Diablo. Comment
  CAS-BOT-BC288545  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC288539  Centromadia fitchii John Thomas Howell 1929-9-21 4388 Contra Costa 1 mile SE of Clayton Comment
  CAS-BOT-BC288549  Centromadia fitchii Rimo Bacigalupi 1922-9-24 s.n. Contra Costa Along road between Clayton Mitchell Comment
  UC2028098  Centromadia fitchii Barbara Ertter, Chris Thayer 1996-10-25 15375 Contra Costa West side of Mount Diablo, North Gate Road 0.8 road miles NW of Burma Road, spring area with abundant Distichlis, on tributary of Little Pine Creek. Comment
  UC2029135  Centromadia fitchii Barbara Ertter 2004-9-17 18497 Contra Costa Lime Ridge Open Space in Concord, segment southeast of Treat Boulevard, south of Kingwood Drive. Comment
  CAS-BOT-BC288874  Centromadia parryi subsp. congdonii R. E. Preston 1998-10-6 1178 Contra Costa Along flood plain of Alamo Creek, along Dougherty Rd, N of the Alameda/Contra Costa County line 143 Comment
  JEPS95222  Centromadia parryi subsp. congdonii R. E. Preston 1998-10-6 1173 Contra Costa E side of Camino Tassajara, ca. 1 mi S of Highland Road 170 Comment
  CAS-BOT-BC288878  Centromadia parryi subsp. congdonii David D. Keck 1933-11-2 2610 Contra Costa San Ramon, Cow Creek Canyon Rd, 0.5 mile from turnoff Comment
  CAS-BOT-BC288883  Centromadia parryi subsp. congdonii John Thomas Howell 1932-10-16 10820 Contra Costa Near San Ramon Comment
  OBI16179  Centromadia parryi subsp. congdonii Robert F. Hoover 1966-8-31 9943 Contra Costa Jctn of Tassajara and Freitas Rds E of Danville Comment
  OBI18127  Centromadia pungens subsp. pungens Robert F. Hoover 1967-4-28 10515 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC279184  Centromadia pungens subsp. pungens H. M. Hall 1930-8-7 12847 Contra Costa Byron Hot Springs 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
  UC1606283  Cephalanthus occidentalis var. californicus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10880 Contra Costa just w Antioch marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  CAS-BOT-BC137007  Cercocarpus betuloides var. betuloides H. L. Dale 1927-3-1 s.n. Contra Costa Mt. Diablo Comment
  UC691100  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-6-4 923 Contra Costa Summit of Meridian Peak, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak Comment
  CAS-BOT-BC284220  Chaenactis glabriuscula var. megacephala Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC284222  Chaenactis glabriuscula var. megacephala Alice Eastwood 1914-3-17 3799 Contra Costa Byron Springs Comment
  CDA35253  Chamaesyce ocellata H. R. VanBrocklin 1958-8-6 1000 Contra Costa County Road, about half-way up north side of Mt. Diablo. 0 Comment
  UC2028248  Chamaesyce ocellata subsp. ocellata Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16402 Contra Costa North Gate Road on west side of Mount Diablo, 1 mile below Junction. Comment
  CDA4775  Chamaesyce serpens D. G. Kelch, A. G. Murdock 2005-6-24 5 .38 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett, CA. Comment
  UC1606334  Chamaesyce serpyllifolia Barbara Ertter, Brad Olson 1991-9-28 10830 Contra Costa betw Orinda and El Sobrante San Pablo Reservoir (s end of reservoir) Comment
  UC2031491  Cheilanthes Barbara Ertter with David Gowen 2014-4-12 21718 Contra Costa On north side of Prospectors Gap Road ca 1 mile east of Mount Diablo summit, burnt in previous year's fire Comment
  UCD102374  Cheilanthes covillei Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 400 Comment
  JEPS107063  Cheilanthes intertexta J. Greenhouse with Kevin Hintsa 2004-4-5 5086 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  CHSC23348  Chenopodium album Willis Ball 1975-6-1 532 Contra Costa Contra Loma Regional Park. In area #11. On n side of road ca. 200 yds e of main entrance to park. 60 Comment
  UC1136381  Chenopodium californicum H. S. Yates 1936-3-14 5365 Contra Costa 2 1/2 mi sw Round Valley; Mt. Diablo Quadrangle Comment
  CDA21590  Chenopodium multifidum D. G. Kelch, Mike Park 2008-9-1 8 .302 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. Comment
  JEPS99594  Chenopodium murale Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond. Comment
  CDA9490  Chenopodium rubrum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 07 .213-B Contra Costa Byron Airport. Comment
  UC691956  Chlorogalum pomeridianum var. pomeridianum Mary L. Bowerman 1930-6-5 239 Contra Costa North Road 2.9 mi from North Gate Mount Diablo; Mount Diablo 243 Comment
  UC691957  Chlorogalum pomeridianum var. pomeridianum Mary L. Bowerman 1933-5-11 2077 Contra Costa w end 1931 burn; Mount Diablo, Inner Black Hills Comment
  SJSU9368  Chloropyron molle subsp. molle W. Savage 1979-6-15 1267 Contra Costa 100' W of Harris Harbor Channel, 0.25 mi N of Harris Harbor Comment
  CAS-BOT-BC252677  Chorizanthe membranacea M. K. Curran 1884-1-1 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC264081  Chorizanthe uniaristata M. K. Curran 1884-1-1 s.n. Contra Costa Near Mt. Diablo Comment
  JEPS77018  Chrysolepis chrysophylla var. minor Robert M. Lloyd 1963-3-17 Contra Costa on Skyline across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive); Skyline Drive, Huckleberry Trail Comment
  SJSU352  Chrysolepis chrysophylla var. minor A. W. Jacobs 1937-8-28 Contra Costa Moraga Ridge Comment
Read comments
Jan 16 2012
  JEPS89253  Cicendia quadrangularis J. B. Davy 1900-3-24 6516 Contra Costa Pt. Richmond Comment
  CAS-BOT-BC284424  Cirsium brevistylum Alice Eastwood 1931-5-30 18618 Contra Costa Oak Spring Comment
  POM215028  Cirsium brevistylum Alice Eastwood 1931-5-30 18618 Contra Costa Oak Spring Comment
  UC691378  Cirsium cymosum var. cymosum Mary L. Bowerman 1935-5-22 3041 a Contra Costa Eagle Point Ridge, canyon at n e of which heads into saddle w of Twin Peaks Mount Diablo 304 Comment
  CDA33850  Cirsium occidentale D. G. Kelch 2010-5-15 10 .127 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  CAS-BOT-BC288044  Cirsium occidentale var. venustum Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  UC1607628  Cirsium occidentale var. venustum Barbara Ertter, Lynne Hosley 1992-8-29 11265 Contra Costa E of Mount Diablo (Prairie Falcon trail); Morgan Territory Regional Preserve Comment
  UC1119194  Cirsium vulgare H. S. Yates 1934-9-2 4077 Contra Costa Wildcat Creek Concord Quad., Wildcat Creek 304 Comment
  JEPS111557  Clarkia affinis A. G. Murdock 2003-6-2 85 Contra Costa Port Costa - Reservoir: Uphill bank at east Crockett-Port Costa junction 28 Comment
  UC692492  Clarkia affinis Mary L. Bowerman 1933-4-26 1925 Contra Costa ese North Peak (North Peak Ridge, s face); Mount Diablo 609 Comment
  UC692500  Clarkia affinis Mary L. Bowerman 1935-5-22 3041 Contra Costa canyon at n end Eagle Point Ridge (canyon heads into saddle w of Twin Peaks); Mount Diablo 304 Comment
  JEPS43663  Clarkia biloba W. L. Jepson 1918-6-3 7585 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS43823  Clarkia biloba C. L. Hitchcock 1928-6-5 13 Contra Costa 1 1/2 mi from Port Costa (between Port Costa and Martinez) 40 Comment
  JEPS99586  Clarkia biloba Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, foot trail between Back Canyon and Donner Canyon. In Donner side of ridge. Comment
  CAS-BOT-BC163607  Clarkia biloba subsp. biloba V. Rattan 1886-1-1 s.n. Contra Costa Unspecified Comment
  LA206006  Clarkia biloba subsp. biloba H. Lewis; M. Lewis 1947-6-15 442 Contra Costa Martiney - Port Costa Road, 2.7 mi. N of Martiney City Limit Comment
  SBBG60245  Clarkia concinna L. G. Yates 1895-1 Contra Costa Martinez Comment
  UC2042500  Clarkia concinna Holly Forbes and Barbara Keller 2009-5-29 Contra Costa Mt. Diablo State Park, along Deer Creek Rd. about 0.1 mi. from the entrance of Juniper campground. Comment
  UC2028989  Clarkia concinna subsp. concinna Barbara Ertter 2000-5-14 17005 Contra Costa Donner Canyon on north side of Mount Diablo, serpentinitic sites in general area of junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge roads, edged by Arctostaphylos glauca et al. Comment
  CAS-BOT-BC171989  Clarkia epilobioides K. Brandegee s.n. Contra Costa Antioch Comment
  UC2042956  Clarkia gracilis Barbara Ertter with David Gowen 2007-5-13 19014 Contra Costa Mount Diablo, W of Prospectors Gap Road just E of junction Meridian Ridge Road. Comment
  UC2028301  Clarkia gracilis subsp. gracilis Barbara Ertter, Susan D'Alcamo 1998-6-12 16190 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit. 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
  UCSC008679  Clarkia purpurea subsp. purpurea Randall Morgan 1999-6-7 3535 B Contra Costa Byron Comment
  POM300660  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-4-25 760 Contra Costa Mount Diablo, above junction of south and west roads Comment
  UC697197  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-13 843 Contra Costa 1 mi from Sulphur Spring; Mount Diablo, Pine Canyon 167 Comment
  CAS-BOT-BC172365  Clarkia purpurea subsp. viminea Paul F. Covel 1940-5-12 1743 Contra Costa Summit of Mt. Diablo Comment
  CAS-BOT-BC165038  Clarkia rubicunda Peter H. Raven 1957-6-20 10950 Contra Costa Hillside at Inspiration Point, east end of Tilden Regional Park 365 Comment
  SEINET4149808  Clarkia rubicunda subsp. blasdalei K. Brandegee 1908-7-3 s.n. Contra Costa Point Isabel, N side a few feet above water, exact type locality Comment
  JEPS100002  Clarkia unguiculata G. Smick 2003-5-20 GAS 194 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS43601  Clarkia unguiculata W. L. Jepson 1919-6-8 8325 Contra Costa Mt. Diablo Comment
  RSA41158  Clarkia unguiculata Robert F. Hoover 1937-5-14 2110 Contra Costa Antioch sand-dunes Comment
  CAS-BOT-BC439166  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1113 Contra Costa Mount Diablo. Alamo Canyon 365 Comment
  JEPS68968  Claytonia exigua subsp. exigua Edward Lee 1935-3-10 1302 Contra Costa Nortonville , Kirker Creek (s watershed Kirker Creek) Comment
  UC1818931  Claytonia exigua subsp. exigua Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14592 Contra Costa Mount Diablo; ; North Peak of Mt. Diablo; open rocky flats. Comment
  POM300716  Claytonia perfoliata Mary L. Bowerman 1932-3-12 1111 Contra Costa Alamo Canyon; East-facing bank fifteen ft. above the stream. 351 Comment
  JEPS99970  Claytonia perfoliata subsp. perfoliata S. O'Neil 2003-2-18 SEO 5 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1795716  Claytonia rubra subsp. depressa Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14591 Contra Costa North Peak of Mt. Diablo; open rocky flats. Comment
  UC545780  Clematis lasiantha Annetta M. Carter 1935-6-1 873 Contra Costa n.w. slope of main peak Mt. Diablo 975 Comment
  CAS-BOT-BC92548  Clematis ligusticifolia Paul F. Covel 1938-6-26 1516 Contra Costa Las Trampas Canyon (behind Saint Mary's). Comment
  UC691582  Collinsia heterophylla Mary L. Bowerman 1930-6-5 245 Contra Costa West Road 5.8 mi from entrance, Mount Diablo Mount Diablo; , West Road 457 Comment
  UC691656  Collinsia heterophylla Mary L. Bowerman 1933-5-17 2103 Contra Costa branch of Curry Canyon due s of Olafsons' barn, just n of first fork of canyon, Mount Diablo Curry Canyon; Mount Diablo, branch of Curry Canyon 289 Comment
  UC691657  Collinsia heterophylla Mary L. Bowerman 1932-5-6 1411 Contra Costa Mount Diablo, floor of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon 182 Comment
  UC26589  Collinsia heterophylla Ivar Tiderstrom vi, 1895 Contra Costa Edwards Canyon, near Crockett Comment
  UC1196815  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1900-3-24 627 Contra Costa near Point Richmond; Region about San Francisco Bay 3 Comment
  UC26651  Collinsia sparsiflora var. sparsiflora Harley P. Chandler 1901-3-21 852 A Contra Costa Martinez Comment
  UC691559  Collinsia tinctoria Mary L. Bowerman 1935-5-30 3090 Contra Costa Mount Diablo, Eagle Point Ridge, Rock slide, Bay-10 ft to e Eagle Point Ridge; Mount Diablo, Eagle Point Ridge 350 Comment
  UC2028312  Collinsia tinctoria Barbara Ertter, Susan D'Alcamo 1998-6-12 16164 Contra Costa North Peak Trail from Devil's Elbow on SE side of Mount Diablo summit. Comment
  JEPS100237  Convolvulus simulans Dean W. Taylor 1990-4-23 10635 Contra Costa ca. 2 miles due W of Byron Hot Springs 30 Comment
  UC2028010  Conyza canadensis Barbara Ertter 1998-1-4 15888 Contra Costa South end of Diablo Foothills Regional Park southeast of Walnut Creek. Comment
  UC1051043  Coprosma baueri N. Floy Bracelin 1942-11-1 2348 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1819029  Corallorhiza striata Barbara Ertter, Chris Thayer 1994-5-19 12785 Contra Costa Redwood Regional Park in Oakland Hills, mid-trail on Mill Trail southeast of Redwood Peak Comment
  JEPS87949  Cordylanthus pilosus subsp. pilosus Barbara Ertter, CNPS 1990-8-19 9623 Contra Costa above Cutter Cove (e side of s end of Briones Reservoir, n of Orinda, along Bear Creek Trail on EBMUD land); Briones Reservoir, Bear Creek Trail 213 Comment
  UC89470  Coreopsis stillmanii T. S. Brandegee Apr 1889 Contra Costa Antioch Comment
  CAS-BOT-BC209749  Cornus glabrata V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Comment
  UC692511  Cornus glabrata Mary L. Bowerman 1931-5-28 904 Contra Costa Pine Canyon Mt. Diablo (gully at e. end of Castle Rock Farm); , Pine Canyon Comment
  UC651290  Coronopus didymus Ira L. Wiggins 1930-4-18 4595 Contra Costa e end of Jersey Island, Fallow cornfield Jersey Island Comment
  UC1618361  Cortaderia jubata Barbara Ertter 1991-9-28 10854 Contra Costa e end of Schmidt Street at El Cerrito recycling center, s end of Hillside Natural Area El Cerrito; , Hillside Natural Area, Schmidt Street Comment
  UC2028523  Cortaderia jubata Barbara Ertter 1997-9-14 15814 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  UCD37373  Cortaderia selloana Beecher Crampton 1959-9-3 5456 Contra Costa Contra Costa County, 2 miles southeast of El Sobrante, along San Pablo Dam Road. Comment
  UC692035  Corylus californica Mary L. Bowerman 1931-5-23 894 Contra Costa Alamo Canyon Mount Diablo 487 Comment
  CDA39608  Corylus cornuta var. californica D. G. Kelch 2003-8-13 3 .126 Contra Costa Carquinez Strait; Vaca Canyon. Comment
  JEPS111824  Corylus cornuta var. californica A. G. Murdock 2004-4-30 261 Contra Costa Vaca Canyon 165 Comment
  JEPS99943  Cotoneaster pannosus G. Smick 2003-6-6 GAS 218 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CHSC116617  Cotula australis Lowell Ahart; Josephine Guardino 2016-4-19 20799 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. In the middle of the dirt road, 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
  CAS-BOT-BC291337  Cotula coronopifolia Walter Knight; et al 1979-4-13 3359 Contra Costa Point Emmet, Browns Island Comment
  PASA938  Cotula coronopifolia Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  JEPS65181  Crassula aquatica L. R. Heckard 1971-4-15 2486 Contra Costa s. Byron (field at intersection of Holey Rd.) Comment
  UC2032831  Crassula connata Doran, Andrew Scott 2012-3-20 701 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  CAS-BOT-BC427924  Crassula solieri Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC2027987  Crassula tillaea Barbara Ertter 1998-5-3 16033 Contra Costa Pine Ridge summit of Wall Point Road at southwest base of Mount Diablo. Comment
  UC2028043  Crassula tillaea Barbara Ertter 1998-3-1 15926 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  CDA4469  Crepis bursifolia G. D. Barbe 1978-7-2 2405 Contra Costa 2800 block of East Street between Sycamore and Maple Avenue, Concord. 0 Comment
  JEPS100089  Crocanthemum scoparium var. vulgare G. Smick 2003-4-1 GAS 112 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS52457  Croton californicus W. L. Jepson 1923-10-4 10211 Contra Costa Antioch Comment
  JEPS79011  Croton californicus Edward Lee with Annetta Carter 1935-10-17 1626 Contra Costa Antioch; dunes Comment
  POM138276  Croton californicus C. F. Baker 1903-4-25 2825 Contra Costa Antioch. Comment
  RSA289534  Croton californicus Edward Lee, Annetta Carter 1935-8-17 1626 Contra Costa Antioch. Comment
  CDA35283  Croton californicus T. C. Fuller 1961-7-6 7368 Contra Costa East of road, south end of Antioch bridge, Antioch. 0 Comment
  CDA35288  Croton californicus F. J. Brucato 1962-8-21 Contra Costa Antioch, Wilbur Ave, 1 mile west of Hwy 24. 0 Comment
  JEPS102901  Crypsis schoenoides Barbara Ertter, Chris Thayer 1996-10-25 15360 Contra Costa Little Pine Creek, Diablo Foothills Regional Park Mount Diablo 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
  RSA0025135  Crypsis schoenoides Peter Rubtzoff 1968-9-18 5964 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  SEINET10595215  Crypsis schoenoides Barbara J. Ertter 1995-10-22 Ertter 14532 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay. Comment
  JEPS67601  Cryptantha flaccida Mary L. Bowerman 1930-6-7 269 Contra Costa Meridian Peak summit Mount Diablo Comment
  JEPS99572  Cryptantha flaccida Mary Bowerman 1991-5-21 Contra Costa Mount Diablo, by Jim White Trail [Deer Flat Rd.] Comment
  RSA720802  Cryptantha microstachys Mary L. Bowerman 1978-5-14 s.n. Contra Costa Mount Diablo. E side of Eagle Peak, old mine wagon trail up Black Canyon. Area of Aug. 1977 burn. Comment
  UC691392  Cryptantha nevadensis var. rigida Mary L. Bowerman 1931-5-7 808 a Contra Costa North Peak Mount Diablo Comment
  CDA33351  Cuscuta japonica Yost 2008-8-21 PDR# 1454250 Contra Costa El Sobrante; 5709 Skyview Place (near Richmond city limits?) 0 Comment
  UC1949099  Cuscuta pacifica var. pacifica Barbara Ertter with Elizabeth Neese 1988-10-15 7978 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue Comment
  UC1795818  Cuscuta subinclusa Barbara Ertter 1994-6-26 12876 Contra Costa South of Point Molate Beach Park in west Richmond north of San Rafael Bridge, beach north of Pt. Castro. 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
  JEPS99524  Cynodon dactylon Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  HSC101961  Cynoglossum grande Nikolaus Gillen, Michelle Bihler 2014-3-20 13 Contra Costa Mount Diablo State Park. Eagle Peak Trail. 649 Comment
  UCSB21791  Cynoglossum grande Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley 274 Comment
  RSA721595  Cynosurus echinatus Mary L. Bowerman 1975-6-7 s.n. Contra Costa Mount Diablo. Big Spring. Comment
  CAS-BOT-BC226638  Cyperus acuminatus Virginia I. Dains; Walter Knight 1986-8-8 5501 Contra Costa Jct Rock S1 & Werner Cut Comment
  CAS-BOT-BC114614  Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa Banks at upper end of San Leandro Lake near mouth of Redwood Creek. 129 Comment
  CAS-BOT-BC114618  Cyperus eragrostis Walter Knight; Wayne Roderick; Stephen W. Edwards; B. Doyle 1978-9-19 3264 Contra Costa Browns Island, South Landing. Comment
  SEINET10869432  Cyperus eragrostis Thomas Morley 1940-12-3 Morley 90 Contra Costa Coarse perennial one to three feet high, in dense masses, associated with Salix, typha, polypogon in fine rich moist soil, banks at upper end of san Leandro lake near mouth of redwood creek 130 Comment
  UC2028449  Cyperus niger Barbara Ertter with Chris Thayer 1996-10-25 15387 Contra Costa West side of Mount Diablo, South Gate Road just south of junction at Mountain House Creek crossing Comment
  UC1446057  Cystopteris fragilis Alan Smith with Ed Lee 1979-4-25 732 Contra Costa trail beyond Devil's Elbow toward saddle between Mt Diablo and North Peak; n side Mt. Diablo 1066 Comment
  JEPS100018  Dactylis glomerata S. O'Neil 2003-5-8 SEO 33 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site 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
  UCD60458  Danthonia californica G. L. Stebbins Jr. 1939-5-24 2714 Contra Costa Opposite Berkeley Country Club. Comment
  UC2029026  Deinandra corymbosa Barbara Ertter 2002-6-16 17952 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC88925  Deinandra kelloggii K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  CAS-BOT-BC294015  Deinandra kelloggii Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294019  Deinandra kelloggii Vincent Jones 1920-8-28 s.n. Contra Costa Orwood Comment
  CAS-BOT-BC291811  Deinandra lobbii John Thomas Howell 1933-9-17 11663 Contra Costa Hills south of Rodeo Comment
  UC691948  Delphinium californicum Mary L. Bowerman 1935-5-30 3091 Contra Costa rock slide Mount Diablo, Eagle Point Ridge 350 Comment
  UC2029185  Delphinium hesperium Barbara Ertter 2000-5-14 17004 Contra Costa Donner Canyon on north side of Mount Diablo, junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge Roads. Comment
  UCD84955  Delphinium hesperium Chuck Hughes 2010-5-19 227 Contra Costa About 0.5 mile south of Vasco Road. 184 Comment
  JEPS107086  Delphinium hesperium subsp. hesperium Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14242 Contra Costa South side Mount Diablo, near head of Curry Creek along road to Sheepherders Springs from Sloan Road. Comment
  UC13984  Delphinium hesperium subsp. pallescens Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  LA207541  Delphinium hesperium subsp. pallescens H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1.2 mi. S of Marsh Creek Road on Beck Road to Livermore Comment
  CAS-BOT-BC9917  Delphinium nudicaule Alice Eastwood 1915-5-30 4501 Contra Costa Mt. Diablo Comment
  UCD96542  Delphinium patens P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo Summit. Comment
  CAS-BOT-BC116451  Delphinium patens subsp. patens H. L. Mason; Robert Ornduff 1957-4-11 10620 Contra Costa Curry Canyon 3.4 miles s. of Recreation Ground Comment
  UC1819000  Delphinium patens subsp. patens Barbara Ertter, Tom Delendick 1996-5-2 14614 Contra Costa Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope. 853 Comment
  UC692089  Delphinium patens subsp. patens Mary L. Bowerman 1935-4-22 2896 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 822 Comment
  CAS-BOT-BC116462  Delphinium patens subsp. patens E. M. Zeile 1910-4-2 s.n. Contra Costa Fish Ranch Comment
  UC909543  Delphinium patens subsp. patens J. Ewan 1934-4-8 8754 Contra Costa South Fork Marsh Creek Morgan Territory (slope) 243 Comment
  OBI10610  Delphinium recurvatum Robert F. Hoover 1967-4-28 10511 Contra Costa Byron Hot Springs Comment
  LA207638  Delphinium variegatum H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1 mi. S of Marsh Creek Rd. on the Beck Rd. to Livermore Comment
  CAS-BOT-BC11025  Dendromecon rigida Howard E. McMinn 1922-5-30 30 Contra Costa Crest of Moraga Ridge Comment
  JEPS51668  Dendromecon rigida H. H. Haworth 1917-3-3 Contra Costa Maraga Ridge Comment
  CDA1573  Deschampsia cespitosa subsp. holciformis D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  CAS-BOT-BC192677  Deschampsia danthonioides Mary L. Bowerman 1935-6-28 3164 Contra Costa Chase Pond 548 Comment
  UCSB39448  Dichelostemma capitatum subsp. capitatum Fritzke, Sue 1980-3-1 Contra Costa Hills behind Walnut Heights Elementary School, off of Walnut Blvd., 1 mile east of intersection with Walker Rd Comment
  JEPS112492  Dichelostemma congestum D. G. Kelch 2005-4-24 05 .171 Contra Costa Franklin Canyon Franklin Canyon. Collier Hill. West Carbon. On knoll between fenced hill and railroad cut. 60 Comment
  UC1133994  Dichelostemma congestum C. M. Belshaw 1936-5-9 2074 Contra Costa 2.25 mi e Clayton; Mt. Diablo Quad. 381 Comment
  UC692031  Dichelostemma congestum Mary L. Bowerman 1931-4-11 711 Contra Costa Pine Canyon, near mouth Mount Diablo 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
  CAS-BOT-BC153953  Diplacus rattanii Mary L. Bowerman 1935-6-1 3111 Contra Costa Largest ridge between Ransom Point ridge and Mitchell-Pine divide 1082 Comment
  CAS-BOT-BC121841  Dirca occidentalis Howard E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  CAS-BOT-BC121843  Dirca occidentalis Frank Walton Gould 1940-2-8 864 Contra Costa Grizzly Peak 289 Comment
  JEPS111909  Dirca occidentalis Dean G. Kelch and Andrew G. Murdock 2003-3-2 DGK 03 .038.C. Contra Costa Crockett - Edwards Canyon. At top of Crockett Blvd. East of Cummings Skyway. Comment
  JEPS47160  Dirca occidentalis Martha G. Watson 1923-1 18 Contra Costa Glory Hole Oakland Hills Comment
  CAS-BOT-BC208655  Distichlis spicata Walter Knight; Joanne Dean 1978-8-14 3192 Contra Costa Browns Island Comment
  UC2029148  Distichlis spicata Barbara Ertter with Dan Norris 1999-11-14 16851 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  UCD64380  Distichlis spicata var. stolonifera A. A. Beetle 1941-6-24 1752 Contra Costa Point Richmond on San Francisco Bay. Comment
  UCD84176  Dittrichia graveolens Chuck Hughes 2009-10-2 135 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 181 Comment
  JEPS112042  Dodecatheon hendersonii A. G. Murdock 2003-2-21 70 Contra Costa Mt. Wanda - Martinez Edge of chaparral, northeastern area of Mt. Wanda property 115 Comment
  POM287080  Dodecatheon hendersonii Lyman Benson 1935-3-16 6279 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC1050373  Dolichandra unguis-cati N. Floy Bracelin 1942-7-4 1384 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  OBI48705  Downingia ornatissima Lewis S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 Comment
  UCD32386  Downingia ornatissima Beecher Crampton 1950-4-22 530 Contra Costa Contra Costa County, 2 miles south of Antioch, on road from Antioch to Lone Tree Valley, in shallow depression along roadside. 60 Comment
  UCD54987  Downingia pulchella Peter M. Ray; S. G. Smith and F. Chisaki 1951-4-14 1980 Contra Costa Small pond 7 miles north of Walnut Creek; east of Highway #21; 0.2 mile south of intersection with highway 4. 6 Comment
  UCR196232  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Concord Valley, between Hwy 4 and Buchanan Field (airport) 15 Comment
  JEPS22441  Downingia pulchella Margaret Mallory 1958-5-3 51 Contra Costa West Sherman Acres 15 Comment
  CDA42721  Dryopteris arguta D. G. Kelch 2004-9-2 4 .34 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Dive. East of Ozol. Comment
  CAS-BOT-BC428218  Dudleya cymosa subsp. paniculata John Thomas Howell 1942-5-24 16967 A Contra Costa Eagle Peak, Mt. Diablo Comment
  UC1357009  Dudleya farinosa C. H. Uhl 1954-6-1 360 Contra Costa Richmond Point Comment
  UC1795670  Echinochloa crus-galli Barbara Ertter, Kristin Ertter 1995-7-11 14486 Contra Costa West side of Mt Diablo; mudflat around inlet to Pine Pond. Comment
  UC692286  Echinochloa crus-galli Mary L. Bowerman 1938-10-15 3726 Contra Costa North Road by trough where trail to west base spring begins Mount Diablo; , North Road 213 Comment
  CAS-BOT-BC197224  Echinochloa crus-pavonis Walter Knight 1978-8-27 3199 Contra Costa Contra Loma Regional Park near Antioch 30 Comment
  UCD60937  Echinochloa crus-pavonis Beecher Crampton 1965-9-29 7530 Contra Costa 1 mile south of Oakley Cypress Road and O' Hara Ave. Comment
  UC692401  Echinochloa crus-pavonis Mary L. Bowerman 1936-10-24 3582 Contra Costa N road below 2-story house E of N gate North Gate (roadside) Comment
  CAS-BOT-BC291117  Eclipta prostrata Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3270 Contra Costa Browns Island. Point Emmet Comment
  UC1618316  Egeria densa Barbara Ertter, CNPS 1990-9-16 9648 Contra Costa Bethel Island ne of Brentwood (e end of Gateway Road at w edge of Franks Tract State Recreation Area, ne Contra Costa County); Bethel Island, Franks Tract State Recreation Area Comment
  JEPS99512  Eleocharis acicularis Mary L. Bowerman 1975-9-14 s. n. Contra Costa Hidden Pond, Mount Diablo Comment
  JEPS111879  Eleocharis macrostachya A. G. Murdock 2004-4-30 250 Contra Costa McEwen Road West side of road in boggy wetland. 130 Comment
  CAS-BOT-BC112794  Eleocharis macrostachya Barrett Anderson 1987-4-29 3484 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  CAS-BOT-BC112798  Eleocharis macrostachya Miss Mary Leolin Bowerman 1938-5-28 3645 Contra Costa Maple Spring, on upper margin especially in the NW corner. Comment
  UC691969  Eleocharis parishii Mary L. Bowerman 1931-4-11 705 a Contra Costa Sulphur Spring in Pine Canyon Mount Diablo 137 Comment
  SEINET7714036  Ellisia chrysanthemifolia Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  POM300590  Elymus X hansenii Mary L. Bowerman 1935-5-25 3073 Contra Costa Meridian Peak, west side of Devil's Pulpit; On edge of outcrop 1082 Comment
  UC2028475  Elymus X hansenii Barbara Ertter with Richard K. Brummitt 1998-5-6 16100 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  UCD149009  Elymus caput-medusae D. Kelch; Troy McGregor; Ed Biffin 2010-6-1 10. 226 Contra Costa Mt. Diablo. Knobcone Point Road. 542 Comment
  UC2070620  Elymus caput-medusae Barbara Ertter with John Ginochio 2002-6-1 17946 Contra Costa Castle Rock Park at mouth of Pine Canyon, NW foot of Mount Diablo. Comment
  JEPS99562  Elymus glaucus Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, (probably Back Canyon or foot trail to Donner Canyon). Comment
  POM205600  Elymus glaucus Jos Burtt Davy 1897-04 1762 Contra Costa Point Isabel. Comment
  UC38136  Elymus glaucus J. Burtt Davy April 1897 Contra Costa Point Isabel Comment
  CAS-BOT-BC228539  Elymus multisetus L. R. Abrams 1921-5-25 8004 Contra Costa On road to summit Mt. Diablo Comment
  UC691177  Elymus multisetus Mary L. Bowerman 1933-6-20 2325 Contra Costa Median Ridge (Donner Canyon) Mount Diablo (w face) Comment
  JEPS1582  Emmenanthe penduliflora W. L. Jepson 1921-5-22 9205 Contra Costa .66 way to summit Mt. Diablo Comment
  UC421666  Epilobium campestre John Thomas Howell 1929-7-20 4331 Contra Costa Pittsburg Comment
  UC204068  Epilobium canum subsp. canum A. D. E. Elmer July, 1903 4620 Contra Costa Mount Diablo Comment
  UC634754  Epilobium canum subsp. canum H. L. Mason 1924-11-23 1169 Contra Costa Las Trampas Ridge 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
  JEPS111564  Epilobium ciliatum subsp. ciliatum A. G. Murdock 2004-5-28 295 Contra Costa Refugio Valley 120 Comment
  UC19940  Epilobium densiflorum Bolander 6403 Contra Costa Mt. Diablo Comment
  UC873435  Epilobium minutum Lewis S. Rose 1941-5-15 41240 Contra Costa summit Mt. Diablo 1188 Comment
  JEPS99501  Epilobium minutum Mary L. Bowerman 1978-5-14 Contra Costa Mount Diablo. The old wagon rd. mines trail on E side of Eagle Peak. Comment
  UC1005902  Epiphyllum N. Floy Bracelin 1943-5-16 2513 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CAS-BOT-BC57103  Equisetum X ferrissii W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes Comment
  UC692135  Equisetum X ferrissii Mary L. Bowerman 1938-9-17 3720 Contra Costa Willow Spring; Mt. Diablo Comment
  UC692137  Equisetum X ferrissii Mary L. Bowerman 1933-11-4 2460 Contra Costa toward head of the spring in rocky gully Alder Creek Springs; Mt. Diablo 487 Comment
  JEPS79478  Equisetum hyemale subsp. affine Edward Lee with C. Belshaw 1935-7-28 1700 Contra Costa w. end Las Trampas Ridge 426 Comment
  UC692136  Equisetum hyemale subsp. affine Mary L. Bowerman 1930-8-24 432 Contra Costa <a> little above end of rd. Mitchell Canyon 251 Comment
  CAS-BOT-BC57134  Equisetum hyemale subsp. affine Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3263 Contra Costa Browns Island, Alder Point Comment
  UC2028554  Equisetum telmateia subsp. braunii Barbara Ertter 1998-11-15 16462 Contra Costa North side Mount Olympia on north side Mount Diablo Comment
  UCD63093  Eragrostis curvula Beecher Crampton 1965-9-29 7526 Contra Costa 5 miles south of Brentwood Vasco Road and Camino Vaqueros. Comment
  CAS-BOT-BC213553  Eragrostis hypnoides P. B. Kennedy 1914-8-25 s.n. Contra Costa Van Sickle Island Comment
  RSA0027416  Eragrostis mexicana subsp. virescens Barbara Ertter 1997-8-24 15777 Contra Costa Mount Diablo, Summit Road just above Junction Station. 671 Comment
  CAS-BOT-BC287535  Ericameria linearifolia John Thomas Howell 1926-3-7 1673 Contra Costa Mt Diablo Comment
  UCD131386  Ericameria linearifolia P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC300590  Erigeron foliosus var. franciscensis L. R. Abrams 1916-6-30 5701 Contra Costa Mt. Diablo near lake Comment
  UC135196  Erigeron foliosus var. franciscensis Katharine Brandegee 1907-6-16 Contra Costa hills bet. Antioch and Marsh Creek Comment
  UC31471  Erigeron foliosus var. franciscensis Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  CAS-BOT-BC300592  Erigeron foliosus var. franciscensis Mary L. Bowerman 1938-6-24 3692 Contra Costa Mount Diablo. South of Mountain House Canyon 792 Comment
  CAS-BOT-BC295717  Erigeron petrophilus var. petrophilus Joseph Andorfer Ewan 1936-7-5 9735 Contra Costa Wildcat Creek Comment
  RSA93107  Erigeron petrophilus var. petrophilus H. L. Mason 1923-11-12 853 Contra Costa Low rocky slopes of Mt. Diablo Comment
Read comments
Feb 4 2013
  CAS-BOT-BC224220  Eriodictyon californicum Mary L. Bowerman 1932-9-3 1530 Contra Costa Mount Diablo. Muir Area: Burn (1931) Comment
  CDA28802  Eriodictyon californicum D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .329 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  UC35509  Eriodictyon californicum F. P. McLean March, 1875 Contra Costa Mt. Diablo Comment
  POM210641  Eriogonum Joseph A. Ewan 1933-10-15 8022 Contra Costa SW slope of Mt. Diablo. Comment
  JEPS108225  Eriogonum covilleanum David Gowen 2005-5-6 281 Contra Costa Mt. Diablo State Park. Talus slope on the south side of North Peak. Comment
  JEPS112016  Eriogonum fasciculatum subsp. foliolosum Dean G. Kelch and Andrew G. Murdock 2004-3-19 AGM 233 Contra Costa Hercules - Carbon. Comment
  CDA22594  Eriogonum fasciculatum var. foliolosum A. G. Murdock, D. G. Kelch 2004-3-19 233 Contra Costa Carquinez Strait; Hercules - Carbon. Comment
  JEPS56891  Eriogonum gracile W. L. Jepson 1898-10-18 Contra Costa Deer Flat Mt. Diablo Comment
  UC2012971  Eriogonum gracile Barbara Ertter with Tony Morosco 1996-7-27 15040 Contra Costa Mount Diablo State Park, Cardinet Oaks Road at crossing of Donner Creek. Comment
  CAS-BOT-BC250384  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley Comment
  RSA423119A  Eriogonum luteolum L. S. Rose 1932-6-24 32349 Contra Costa Mt. Diablo 1173 Comment
  JEPS57048  Eriogonum luteolum var. caninum W. L. Jepson 1894-10-1 Contra Costa Oakland Hills; w slope, towards Redwood Peak Comment
  CAS-BOT-BC259523  Eriogonum luteolum var. luteolum H. L. Mason 1929-9-21 5434 Contra Costa Along Marsh Creek Road three miles above Clayton 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
  CAS-BOT-BC268906  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1578 Contra Costa Mount Diablo. Donner Canyon, west branch. (Below fork of west branch.) Comment
  CAS-BOT-BC268918  Eriogonum nudum var. auriculatum L. R. Abrams 1910-10-8 4340 Contra Costa Mt Diablo 609 Comment
  UC692159  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1600 Contra Costa Lime Ridge, n edge of s chaparral patch Mount Diablo 243 Comment
  UC692165  Eriogonum nudum var. auriculatum Mary L. Bowerman 1933-9-3 2425 Contra Costa North Peak ridge Mount Diablo Comment
  CAS-BOT-BC268914  Eriogonum nudum var. auriculatum John Thomas Howell 1929-9-21 4393 Contra Costa On Marsh Creek Road 8 miles se. of Clayton Comment
  POM301012  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1601 Contra Costa Mount Diablo: Lime Ridge, north edge of south chaparral patch. 274 Comment
  UC2028205  Eriogonum nudum var. auriculatum Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15662 Contra Costa Point Richmond, crest of road. Comment
  UC2029055  Eriogonum nudum var. auriculatum Barbara Ertter with Delia Taylor 2003-6-22 18227 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
  CAS-BOT-BC269819  Eriogonum nudum var. psychicola Peter Rubtzoff 1951-10-7 825 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  UC1167551  Eriogonum nudum var. psychicola R. W. Thorp 1958-8-20 20 Contra Costa Antioch Comment
Read comments
Aug 24 2011
  UC1926783 Image available Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Contra Costa County: Antioch Dunes on San Joaquin River east of Antioch. Comment
  CAS-BOT-BC33739  Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Antioch Dunes (USFWS National Wildlife Refuge) Comment
  SBBG28221  Eriogonum roseum J. Ewan 1933-10-15 8022 Contra Costa Mt Diablo Comment
  SEINET3836874 Image available Eriogonum roseum W. L. Jepson 1895-9-14 14779 Contra Costa Walnut Creek Comment
  CAS-BOT-BC267444  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo. Alamo Canyon: above Wilsons' barn Comment
  CAS-BOT-BC267448  Eriogonum truncatum C. F. B. 1903-4-28 2833 Contra Costa Marsh Creek, Mt. Diablo Comment
  UC692152  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo 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
  CAS-BOT-BC267873  Eriogonum umbellatum var. bahiiforme Mary L. Bowerman 1930-6-14 328 Contra Costa Mount Diablo Comment
  CAS-BOT-BC262346  Eriogonum vimineum Mary L. Bowerman 1930-6-18 350 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC298505  Eriophyllum confertiflorum Mary L. Bowerman 1933-6-3 2224 Contra Costa 2 miles by road from North Gate Comment
  CAS-BOT-BC298509  Eriophyllum confertiflorum H. E. McMinn 1923-6-18 1152 Contra Costa Horn Canon Comment
  POM301036  Eriophyllum confertiflorum Mary L. Bowerman 1933-6-3 2224 Contra Costa 2 miles by road from North Gate Comment
  UC691686  Eriophyllum confertiflorum var. confertiflorum Mary L. Bowerman 1933-5-18 2121 Contra Costa near Blackberry Spring; Mount Diablo Comment
  UC691685  Eriophyllum jepsonii Mary L. Bowerman 1931-6-2 918 Contra Costa Gregory Ranch Road Comment
  CAS-BOT-BC300925  Eriophyllum jepsonii Mary L. Bowerman 1936-5-6 3409 Contra Costa Mount Diablo. Uncle Sam Canyon 304 Comment
  UC194915  Eriophyllum lanatum var. achilleoides H. M. Hall 1916-5-31 10134 Contra Costa s side of summit Mt. Diablo 1170 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
  UC691687  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-5-3 1979 Contra Costa due s of summit Meridian peak; Mt. Diablo, Meridian Peak 731 Comment
  CAS-BOT-BC300979  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 96 Contra Costa Southwest slopes of Mount Diablo, 1/2-way up Comment
  JEPS34592  Eriophyllum lanatum var. achilleoides W. L. Jepson 1918-6-5 7608 Contra Costa on the n peak Mt. Diablo Comment
  JEPS34593  Eriophyllum lanatum var. achilleoides W. L. Jepson 1918-6-5 7609 Contra Costa on the n peak Mt. Diablo Comment
  UCSB6523  Eriophyllum lanatum var. arachnoideum Keator, Glenn 1959-7-1 Contra Costa 1/4 mile above Laurel camp on Mt. Diablo Comment
  JEPS107133  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
  UC1130297  Erodium cicutarium R. C. Wilson 1935-2-26 113 Contra Costa Somersville Mt. Diablo Quad. 289 Comment
  UC1948936  Erodium cicutarium William J. Ferlatte, L. Maynard Moe 1970-4-27 1263 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC692704  Erodium cicutarium Mary L. Bowerman 1930-6-28 387 Contra Costa Mount Diablo, near road above junction Mount Diablo Comment
  SEINET5604448 Image available Erodium cicutarium Rachel Van Noord 1998-1 4 Contra Costa Dinosaur Hill Park, Pleasant Hill, CA N 37* 56.149' W 122* 05.391 Comment
  JEPS15974 Image available Eryngium aristulatum var. aristulatum W. L. Jepson 1895-9-7 14275 Contra Costa e of Bald Peak; Orinda 121 Comment
  CDA38328  Eryngium armatum D. G. Kelch 2007-4-1 7 .108 Contra Costa Carquinez Strait; Pt. Pinole. Comment
  UC691871  Eryngium castrense Mary L. Bowerman 1935-6-28 3174 Contra Costa s. Meridian Peak summit (300 yds. e. of meridian fence line); Mt. Diablo 487 Comment
  UC1122965  Eryngium vaseyi B. Schreiber 1937-6-12 2400 Contra Costa Byron Byron Quad., Byron 15 Comment
  UC1190972  Eryngium vaseyi Lincoln Constance, Reino Alava and Rimo Bacigalupi 1958-6-6 3661 Contra Costa 3 mi. s.e. Byron; San Joaquin Valley 10 Comment
  UC1190973  Eryngium vaseyi Lincoln Constance, Reino Alava and Rimo Bacigalupi 1958-6-6 3661 Contra Costa 3 mi. s.e. Byron; San Joaquin Valley 10 Comment
  CAS-BOT-BC40765  Erysimum capitatum Alice Eastwood; John Thomas Howell 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  CAS-BOT-BC40767  Erysimum capitatum G. B. Rossbach 1955-3-13 570 Contra Costa Along tidal estuary of San Joaquin River just east of Antioch. 24 Comment
  CAS-BOT-BC40770  Erysimum capitatum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC40756  Erysimum capitatum G. B. Rossbach 1955-3-20 571 Contra Costa Upper south slope of Mount Diablo. 1005 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
  NY32658  Erysimum capitatum subsp. angustatum H. L. Mason 1933-4-9 7189 Contra Costa East of Antioch along the San Joaquin River. 12.2 Comment
  POM272844  Erysimum capitatum var. angustatum H. L. Mason 1933-4-9 7189 Contra Costa East of Antioch along the San Joaquin River. 12 Comment
  RSA0008584  Erysimum capitatum var. angustatum H. L. Mason 1933-4-9 7189 Contra Costa East of Antioch along the San Joaquin River. 12 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
  CAS-BOT-BC151467  Erythranthe latidens Alice Eastwood; John Thomas Howell 1936-4-19 2155 Contra Costa 4 miles s. of Antioch Comment
  UC726212  Eschscholzia A. A. Heller 1938-4-9 15018 Contra Costa 3 mi sw of Antioch Comment
  UC2012983  Eschscholzia californica Barbara Ertter with Tony Morosco 1996-7-27 15039 Contra Costa Mount Diablo State Park, Cardinet Oaks Road at crossing of Donner Creek. Comment
  CAS-BOT-BC91578  Eschscholzia rhombipetala Brandegee 1889-4-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC91582  Eschscholzia rhombipetala K. Curran 1887-6-1 s.n. Contra Costa Antioch. Comment
  JEPS100064  Eucalyptus globulus A. Langston 2003-7-24 AL 72 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618303  Eucalyptus globulus Barbara Ertter, Brad Olson 1993-10-30 12293 Contra Costa w. of R.R. tracks n. of mouth of Pinole Creek (along R.R. track at edge of salicornia marsh, San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  UC1789210  Eucalyptus globulus Barbara Ertter 2002-5-11 17840 Contra Costa lower Emmons Canyon just outside of Mount Diablo State Park boundary. Comment
  UC2028496  Eucalyptus sideroxylon Barbara Ertter 1999-3-21 16488 Contra Costa NW corner of Miller Knox Regional Shoreline, Protero Hills SW of Richmond Comment
  JEPS1715  Eucrypta chrysanthemifolia var. chrysanthemifolia Mary L. Bowerman 1931-4-4 652 Contra Costa 4.5 mi from Mount Diablo, West road entrance; Mount Diablo 396 Comment
  UC880659  Eucrypta chrysanthemifolia var. chrysanthemifolia Lewis S. Rose 1941-5-15 41232 Contra Costa w slope Mt. Diablo 396 Comment
  UCSB22012  Euphorbia lathyris Olson, Glen 1968-7-15 Contra Costa West side of Hope Lane, 0.2 mile north of its junction with St. Mary's Rd. 91 Comment
  JEPS111951  Euphorbia oblongata D. G. Kelch 2004-6-6 04 .224 Contra Costa Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station 2 Comment
  UC1087494  Euphorbia oblongata T. C. Fuller 1958-7-30 Contra Costa 3 mi w of Martinez (State Highway 4); State Highway 4 Comment
  UC1594191  Euphorbia oblongata Jerry Powell 1992-4-7 1636 Contra Costa Richmon Field Station Richmond Field Station Comment
  UCR247571  Euphorbia oblongata Deviney 2008-4-18 s.n. Contra Costa Pacheco, Waterbird Way and Hwy 680 Comment
  SD215496  Euphorbia oblongata Louis C. Wheeler 1958-8-28 7446 Contra Costa Circa 2 miles southwest of Martinez, 0.3 miles northwest of Glen Frazer on Santa Fe, apparently Franklin Canyon. 1.7 miles west of Martinez at limit on California Route 4. Comment
  UCD142410  Euphorbia oblongata Thomas C. Fuller 1958-7-30 s.n. Contra Costa State Highway 4; 3 miles west of Martinez. Comment
  CAS-BOT-BC202389  Euphorbia ocellata Lewis S. Rose 1953-10-12 53096 Contra Costa Mt. Diablo, west slope 381 Comment
  JEPS111958  Euphorbia peplus D. G. Kelch 2005-4-2 05 .102 Contra Costa Crockett - Edwards Canyon EBRP Carquinez shoreline. Edwards Creek staging area 24 Comment
  CDA34210  Euphorbia spathulata D. G. Kelch 2011-5-28 11 .538 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC2062607  Euphorbia spathulata Barbara Ertter with Dan Norris 2001-4-8 17590 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC697207  Eurybia radulina Mary L. Bowerman 1932-9-5 1549 Contra Costa Inner Black Hills e of the meridian Black Hills Comment
  CDA5289  Euthamia occidentalis D. G. Kelch 2004-7-9 4 .309 Contra Costa Carquinez Strait Region; Pacheco Marsh. Pacheco Hill Marsh west of Pacheco Slough. Comment
  CAS-BOT-BC310642  Euthamia occidentalis Virginia I. Dains; Walter Knight 1986-8-8 5468 Contra Costa Jct Rock S1 & Werner Cut Comment
  RSA760667  Festuca William J. Ferlatte, L. Maynard Moe 1970-4-27 1253 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CHSC116651  Festuca bromoides Lowell Ahart; Josephine Guardino 2016-4-19 207098 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
  UC692287  Festuca californica Mary L. Bowerman 1931-5-2 788 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  UCSB12515  Festuca perennis Grah, Nancy 1962-4-14 Contra Costa .6 miles north of Miner Rd. on Sleepy Hollow Lane, Orinda 182 Comment
  UCD66332  Festuca rubra P. B. Kennedy 1919-5-1 s.n. Contra Costa North Berkeley. Hills. 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
  UC691816  Foeniculum vulgare Mary L. Bowerman 1936-9-17 3546 Contra Costa n.w. Mt.Zion (roadside s. of substation, Mt. Diablo); Mt. Diablo Comment
  UC691811  Foeniculum vulgare Mary L. Bowerman 1931-10-5 1052 Contra Costa Marsh Creek Rd. near saddle by dry streambed Mt. Diablo 274 Comment
  UCD127505  Foeniculum vulgare P. B. Kennedy 1914-7-1 s.n. Contra Costa Richmond. Comment
  UC2027937  Forestiera pubescens Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17629 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  UC12242  Fragaria vesca W. H. Brewer 1862-5-23 1145 Contra Costa se of Mount Diablo 609 Comment
  UC2062658  Fraxinus dipetala Barbara Ertter with Alan Prather 2003-6-7 18195 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, along Valley View Trail in NE corner of park. Comment
  JEPS16560  Fremontodendron californicum H. H. Haworth 1917-5-3 Contra Costa Redwood Peak, Oakland Hills Comment
  UC169477  Fritillaria affinis Katharine Brandegee April 1913 Contra Costa Eastport, Redwood Canyon, Oakland Hills, electric RR tunnel entrance Redwood Canyon; Eastport, , Oakland Hills 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
  CAS-BOT-BC136073  Fritillaria affinis Dean William Taylor 1971-3-28 971 Contra Costa Along Morgan Territory Road 304 Comment
  UC13832  Fritillaria liliacea J. Burtt Davy 1900-3-24 6530 Contra Costa Stege; Western Middle California, Stege Comment
  JEPS111523  Fumaria capreolata D. G. Kelch 2005-5-5 05 .208 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  CDA3563  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park, near Point Richmond (southeast of Richmond Ramblers building). 0 Comment
  JEPS124468  Galium andrewsii subsp. gatense Daniel Slakey with CNPS Volunteers 2015-7-6 139 Contra Costa Mt Diablo, along Oak Knoll Trail about 350 meters east of Summit Rd. 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
  CDA42125  Galium aparine D. G. Kelch 2005-5-5 5 .211 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  UC691536  Galium aparine Mary L. Bowerman 1932-4-27 1374 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge 289 Comment
  UC691537  Galium aparine Mary L. Bowerman 1935-6-1 3101 Contra Costa gully e Mitchell-Pine Divide; Mount Diablo 975 Comment
  HSC19785  Galium aparine Greg Bos 1963-4-20 86 Contra Costa Pinole Valley Rd., SE of Pinole Flat Meadow area 76 Comment
  RSA760669  Galium aparine William J. Ferlatte, L. Maynard Moe 1970-4-27 1247 Contra Costa San Francisco Bay, Red Rock Island. Comment
  JEPS6688  Galium californicum subsp. californicum Mary L. Bowerman 1931-5-21 883 Contra Costa ridge w Curry-Cave Point Trail; Mount Diablo 533 Comment
  JEPS14346  Galium murale L. T. Dempster 1956-4-28 1000 Contra Costa between Village and Crossroads (near creek); Orinda Comment
Read comments
Apr 21 2012
  JEPS14519  Galium murale L. T. Dempster 1956-5-26 1004 Contra Costa hill above Overhill Ct.; Orinda Comment
  UC2012961  Galium murale Barbara Ertter with Travis Columbus 1990-6-10 9114 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill: near crossing on Spengler Trail NE of Briones Peak. Comment
  UC2027989  Galium murale Barbara Ertter 1998-5-3 16031 Contra Costa Pine Ridge summit of Wall Point Road at southwest base of Mount Diablo. Comment
  UC2013031  Galium parisiense Barbara Ertter with Travis Columbus 1990-6-10 9107 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; above junction of Spengler and Blue Oaks trails. Comment
  UC2028293  Galium parisiense Barbara Ertter with Dan Norris 1998-6-18 16221 Contra Costa West of Rock City area on south side of Mount Diablo, saddle on W Fossil Ridge Trail. Comment
  UC2028363  Galium parisiense Barbara Ertter 1998-6-20 16261 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Borges Ranch Road at junction to private residences Comment
  JEPS112107  Galium porrigens var. porrigens D. G. Kelch 2003-4-3 03 .357 Contra Costa Cummings Skyway 134 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
  UC1143107  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (Plot 38); Mt. Diablo Quadrangle Comment
  UC2028292  Gamochaeta ustulata Barbara Ertter, Dan Norris 1998-6-18 16224 Contra Costa Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo, upper end of 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
  UC1122641  Garrya elliptica R. C. Wilson 1935-3-29 163 Contra Costa 1 mi w Deer Flat; Mt. Diablo Quad. 685 Comment
  UC21587  Garrya elliptica Willis L. Jepson 1892-3-5 Contra Costa Redwood Peak Comment
  UC692508  Garrya elliptica Mary L. Bowerman 1932-1-30 1081 Contra Costa Inner Black Hills Mount Diablo (nw corner of basin of ne fork of Sycamore Creek) Comment
  CAS-BOT-BC200635  Garrya elliptica John Thomas Howell 1930-6-15 5304 Contra Costa NE. slope of Grizzley [Grizzly] Peak, Berkeley Hills Comment
  CAS-BOT-BC169944  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  CAS-BOT-BC169948  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  UCD66597  Gastridium phleoides M. Wiesendanger 1926-5-1 1523 Contra Costa Near Richmond. Comment
  JEPS112350  Genista monspessulana Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .077 Contra Costa Crockett - Crolona Heights, County: Contra Costa; Crockett: W base of Crolona heights. Comment
  CHSC116654  Geranium dissectum Lowell Ahart; Josephine Guardino 2016-4-19 20776 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the east side of the gravel road, 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
  JEPS61421  Geranium dissectum W. L. Jepson 1923-4-22 9862 Contra Costa Mt. Diablo Comment
  UC2032836  Geranium dissectum Doran, Andrew Scott 2012-3-20 706 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  UCD103395  Geranium dissectum Terri Williamson 1990-4-10 2 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  UC1861827  Geranium molle Barbara Ertter, Chris Thayer 1995-4-25 13985 Contra Costa Southeast side of Mt. Diablo northeast of Danville; on Sycamore Creek near junction of path from Knobcone Point Rd. 396 Comment
  JEPS111982  Geranium robertianum D. G. Kelch 2005-5-13 05 .254 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  UC1795111  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Boulevard and Golf Course Drive 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
  UC691627  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1933-5-9 2059 Contra Costa Muir Area , Muir Area (Mount Diablo) Comment
  UC691669  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1932-5-6 1416 Contra Costa floor Mitchell Canyon; Mount Diablo, Mitchell Canyon 213 Comment
  RSA67700  Gilia achilleifolia subsp. multicaulis Verne Grant, Alva Grant 1952-5-7 9137 Contra Costa Pioneer Camp, s.w. of Meridian Peak, Mt. Diablo Comment
  RSA276842  Gilia capitata subsp. staminea James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC23453  Gilia capitata subsp. staminea J. Burtt Davy 1895-4-7 892 Contra Costa Antioch Comment
  UC913387  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa hills e Antioch (bordering San Joaquin River); , e of Antioch Comment
  RSA14955  Gilia clivorum L. S. Rose 1935-5-16 351 75 Contra Costa Mt. Diablo. Comment
  UC2027799  Gilia clivorum Barbara Ertter with Mary Bowerman, Lisa Schultheis 1995-3-31 13946 Contra Costa Mount Diablo State Park, steep west-facing bank with outcrops near weir at mouth of Mitchell Canyon Comment
  UC691625  Gilia clivorum Mary L. Bowerman 1933-5-3 1976 -2 Contra Costa due s summit Mount Diablo (Chaparral burn (1931)); Mount Diablo, due s of summit 731 Comment
  CHSC21634  Gilia tricolor Willis Ball 1975-3-9 489 Contra Costa Contra Loma Regional Park. In area #8. Level mound ca. 450 yds s of main parking lot ca. 750 yds w of Contra Loma Blvd. 76 Comment
  JEPS11821  Githopsis diffusa subsp. robusta Mary L. Bowerman 1931-5-16 851 Contra Costa Meridian Peak summit Mount Diablo Comment
  UCD84951  Glyceria leptostachya Chuck Hughes 2010-3-29 223 Contra Costa About 0.4 mile southeast of Vasco Road. 123 Comment
  JEPS112378  Glycyrrhiza lepidota Dean G. Kelch and Andrew G. Murdock 2003-6-2 84 Contra Costa Martinez; County: Contra Costa; Near waterfront west end entrance. Comment
  UC1784219  Glycyrrhiza lepidota Ethel Crum 1930-9-29 856 Contra Costa Marsh Creek Road to Holt Comment
  UC2013053  Glycyrrhiza lepidota Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14920 Contra Costa Northwest base of Mount Diablo access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  CDA6041  Gnaphalium luteoalbum D. G. Kelch, A. G. Murdock 2005-5-1 5 .185 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  UC1618414  Gnaphalium palustre Barbara Ertter, Brad Olson 1991-9-28 10835 Contra Costa between Orinda and El Sobrante (at s end of San Pablo Reservoir); San Pablo Reservoir 91 Comment
  UCR247431  Gnaphalium stramineum Dean Kelch, Abigail Moore 2009-5-30 09 .317 Contra Costa Carquinez Strait, west of 5th St Prairie, Crockett 75 Comment
  POM721360  Gnaphalium stramineum Barbara Ertter, Richard K. Rabeler 1994-6-6 12817 Contra Costa Point Isabel in S Richmond; on old railroad bed north of Costco. Comment
  UCD32381  Godetia amoena var. concolor Beecher Crampton 1950-4-22 523 Contra Costa Contra Costa County, above site of Judsonville, west of old Empire Coal Mine. 167 Comment
  CDA6050  Grindelia X paludosa D. G. Kelch, A. G. Murdock 2003-8-13 3 .103 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  CHSC99194  Grindelia camporum var. camporum John Dittes 2006-10-26 1416 Contra Costa San Joaquin Valley (foothills near nw edge); ~2.0 air-miles south of Marsh Creek Reservoir Gauging Station, 1.6 air-mile southwest of intersection of Camino Diablo and Vasco Road; Contra Costa Water District's Los Vaqueros Watershed Mitigation Project Area. 67 Comment
  CAS-BOT-BC305218  Grindelia hirsutula Ira L. Wiggins 1930-4-17 4577 Contra Costa Near Byron Comment
  CAS-BOT-BC305233  Grindelia hirsutula Evelina Cannon 1895-12-25 s.n. Contra Costa Pinole Pt. Comment
  CAS-BOT-BC305243  Grindelia hirsutula Walter Knight 1978-7-13 s.n. Contra Costa Browns Island Comment
  JEPS111676  Grindelia hirsutula D. G. Kelch 2003-8-13 03 .103 Contra Costa Martinez Marsh 0 Comment
  JEPS19400  Grindelia hirsutula G. Thomas Robbins 1937-4-17 135 Contra Costa near Point Richmond Comment
  JEPS40435  Grindelia hirsutula William Turner 1965-11-23 Contra Costa in the sand hills just e Antioch (along the San Joaquin River); , in the Antioch sand hills Comment
  JEPS41884  Grindelia hirsutula W. L. Jepson 1895-9-14 Contra Costa Walnut Creek Comment
  JEPS96224  Grindelia hirsutula Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10716 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin rivers, w-most point opposite Pittsburg marina); Browns Island Comment
  UC520431  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-7 3683 Contra Costa 6 mi w Tracy 50 Comment
Read comments
Apr 12 2009
  CAS-BOT-BC305231  Grindelia hirsutula John Thomas Howell 1929-7-7 4322 Contra Costa 2 miles south of Rodeo Comment
  CAS-BOT-BC305241  Grindelia hirsutula John Thomas Howell 1929-9-21 4396 Contra Costa Marsh Creek Road 3.5 miles sw. of Brentwood Comment
  UC2027746  Grindelia hirsutula Barbara Ertter 1997-1-5 15434 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  CDA1503  Grindelia stricta D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  UC137040  Guillenia flavescens Katharine Brandegee 1907-5-4 Contra Costa between Antioch and Marsh Creek Comment
  UC2027822  Hainardia cylindrica Barbara Ertter with Dorothy Frantz 2001-5-10 17644 Contra Costa Castle Rock Recreation Area at mouth of Pine Canyon on west side of Mount Diablo, trodden roadside. Comment
  UC1005829 Image available Hakea oleifolia N. Floy Bracelin 1946-1-20 2864 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA721203  Hedypnois cretica Barbara Ertter, Mary L. Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southwest of Walnut Creek, at west base Mt.Diablo; near Indian Valley School entrance. 91 Comment
  CAS-BOT-BC306373  Helenium bigelovii Walter Knight; Joanne Dean 1978-8-14 3181 Contra Costa Browns Island Comment
  CDA6437  Helenium puberulum D. G. Kelch, A. G. Murdock 2003-8-13 3 .134 Contra Costa Carquinez Strait; Pinole Creek. Comment
  UC566690  Helenium puberulum H. L. Mason 1924-11-23 1162 Contra Costa Las Trampas Creek Comment
  CAS-BOT-BC305328  Helianthella castanea John Thomas Howell 1931-5-12 6475 Contra Costa Nortonville Comment
  JEPS89719  Helianthella castanea Dean William Taylor 1971-3-28 976 Contra Costa at s. gate to Mt. Diablo State Park 609 Comment
  UC1819046  Helianthella castanea Barbara Ertter, Lisa Schultheis 1995-4-27 14016 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; north-facing open brushy slope with scattered oaks along extension of Valley View road. 182 Comment
  CAS-BOT-BC305324  Helianthella castanea W. C. McCalla 1925-4-22 s.n. Contra Costa Leona Heights near Oakland Comment
  CAS-BOT-BC305330  Helianthella castanea L. R. Abrams 1921-5-25 8062 Contra Costa 1/2 way up road to summit Mt. Diablo Comment
  CAS-BOT-BC223919  Helianthemum scoparium W. W. Carruth 1901-5-1 s.n. Contra Costa Redwood Canon [Canyon], Chaparral Ridge Comment
  CAS-BOT-BC305374  Helianthus annuus Walter Knight 1965-9-7 1163 Contra Costa Antioch sand dunes Comment
  UC2028434  Helianthus californicus Barbara Ertter with Chris Thayer 1996-10-25 15351 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park Comment
  UC697184  Helianthus gracilentus Mary L. Bowerman 1935-5-22 3055 Contra Costa Saddle w of Twin Peaks ((Eagle Point Ridge)); Mount Diablo Comment
  UC1795839  Helianthus tuberosus Barbara Ertter 1995-9-30 14526 Contra Costa North bank of Cerrito Creek at end of Yosemite Avenue in El Cerrito, foot of Albany Hill; stonework bank at edge of overgrown sluggish creek. Comment
  JEPS75546  Helminthotheca echioides P. F. Yorks 1974-10-27 373 Contra Costa on Hampton Rd ca 1.8 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve 190 Comment
  UC1584687  Helminthotheca echioides Jerry Powell 1987-7-14 1503 Contra Costa Point Molate Beach Comment
  CDA37817  Hemizonia congesta Godwyn 2012-6-22 PDR# 1641308 Contra Costa Pleasanton; 7300 Camino Tassajara. 0 Comment
  CAS-BOT-BC306261  Hemizonia congesta subsp. lutescens H. M. Hall 1914-8-23 9860 Contra Costa San Pablo 9 Comment
  CAS-BOT-BC306263  Hemizonia congesta subsp. lutescens H. M. Hall 1914-9-13 9877 Contra Costa Easterly shores of San Francisco Bay near San Pablo Comment
  CDA7053  Hemizonia congesta subsp. luzulifolia D. G. Kelch 2006-7-14 6 .333 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  UC1561246  Hemizonia congesta subsp. luzulifolia Barbara Ertter 1989-9-30 8861 Contra Costa e El Cerrito (3 mi nw of Inspiration Point, East Bay Skyline Nat'l Recreation Trail = Nimitz Way); East Bay Skyline Nat'l Recreation Trail, Wildcat Canyon Regi Comment
  UC405440  Hemizonia congesta subsp. luzulifolia Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC570418  Hemizonia congesta subsp. luzulifolia Chas. M. Belshaw 1936-10-26 2722 Contra Costa fallow fields near Walnut Creek; Coast Ranges Comment
  UC990637  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-25 Contra Costa Walnut Creek 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-BC314866  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1925-12-6 1612 Contra Costa Ridge between Redwood Canyon and San Leandro Canyon, Oakland Hills Comment
  CAS-BOT-BC314875  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1933-5-25 2197 Contra Costa Oyster Ridge, between forks of teh branch of Alamo Creek on south side of main ridge, Mount Diablo Comment
  UC990629  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-24 Contra Costa San Ramon Road above Hayward (canyon) Comment
  SEINET7883477 Image available Hemizonia heermannii Lewis S. Rose 1932-1 32667 Contra Costa WALNUT CREEK Comment
  RSA216763  Hemizonia lutescens Robert F. Hoover 1969-9-1 11568 Contra Costa Between San Pablo and Pinloe. Comment
  RSA81510  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-25 s.n. Contra Costa Walnut Creek. Comment
  RSA81518  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-24 s.n. Contra Costa San Ramon. Comment
  CDA38358  Heracleum lanatum A. G. Murdock 2004-4-3 260 Contra Costa Vaca Canyon. Comment
  RSA755660  Hesperevax sparsiflora Barbara Ertter 1991-5-5 9784 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, along spur road from Black Diamond Trail on ridge southeast of Coal Canyon 427 Comment
  UC1949316  Hesperevax sparsiflora Barbara Ertter 1991-5-5 9784 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, along spur road from Black Diamond Trail on ridge SE of Coal Canyon Comment
  CAS-BOT-BC310195  Hesperevax sparsiflora var. sparsiflora Mary L. Bowerman 1931-4-11 688 Contra Costa Mount Diablo. Pine Canyon 121 Comment
  UC697201  Hesperevax sparsiflora var. sparsiflora Mary L. Bowerman 1933-4-15 1850 Contra Costa canyon s of Arroyo del Cerro; Mount Diablo Comment
  UC692061  Hesperocnide tenella Mary L. Bowerman 1931-4-18 717 Contra Costa Sycamore Canyon Mount Diablo; , Sycamore Canyon Comment
  CHSC67246  Hesperolinon breweri James D. Jokerst 1987-6-17 2923 Contra Costa Los Vaqueros watershed study in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Meadows and adjacent lowlands. Comment
  JEPS122860  Hesperolinon breweri Adam C. Schneider with C. Matt Guilliams 2014-5-29 557 Contra Costa Mt. Diablo State Park. Trail to Murchio Gap. Comment
  JEPS122865  Hesperolinon breweri Adam C. Schneider with Yuri P. Springer 2014-5-16 592 Contra Costa Donner Creek Fire Rd trail, Mt. Diablo State Park. Comment
  UC1212211  Hesperolinon breweri Helen K. Sharsmith 1947-6-2 3947 Contra Costa 0.6 mi from summit of Clayton-Tassajaro-Livermore road (at headwaters of creek); Mount Diablo, Marsh Creek 304 Comment
  CAS-BOT-BC167436  Hesperolinon breweri Volney Rattan 1886-6-1 s.n. Contra Costa Mount Diablo. Near Marsh's Ranch Comment
  UC2028990  Hesperolinon breweri Barbara Ertter 2000-5-14 17000 Contra Costa Donner Canyon on north side of Mount Diablo, serpentinitic sites in general area of junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge roads, edged by Arctostaphylos glauca et al. Comment
  POM203316  Hesperolinon micranthum J. T. Howell 1931-5-12 6472 Contra Costa Nortonville Comment
  POM149311  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Contra Costa Antioch. Comment
  UC579909  Hesperomecon linearis Annetta M. Carter 1933-4-23 298 Contra Costa San Joaquin River, between Antioch Bridge and Antioch Comment
  JEPS11798  Heterocodon rariflorum Mary L. Bowerman 1935-6-15 3133 Contra Costa Mitchell Canyon; Mount Diablo 640 Comment
  UC856339  Heterodraba unilateralis Alice Eastwood 1914-3-14 3766 Contra Costa Byron Springs Comment
  CDA25927  Heteromeles arbutifolia D. G. Kelch, A. G. Murdock 2003-2-7 3 .038 Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  JEPS45024  Heteromeles arbutifolia W. L. Jepson 1921-11-19 9516 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC143645  Heteromeles arbutifolia Volney Rattan 1888-8-6 s.n. Contra Costa Oakland Creek, Oakland Comment
  JEPS125919  Heterotheca sessiliflora subsp. bolanderi D. W. Taylor 2001-9-18 17913 Contra Costa Hillslopes above Kirker Pass road, drainage of Kirker Creek, along Nortonville Road directly under high-voltage steel tower electrical transmission lines. Comment
  UC691817  Heterotheca sessiliflora subsp. echioides Mary L. Bowerman 1930-12-2 501 Contra Costa near base Mount Zion; Mount Diablo Comment
  CDA15278  Hirschfeldia incana G. F. Hrusa, D. Crowe, R. York 1998-7-17 14715 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  JEPS75529  Hirschfeldia incana P. F. Yorks 1976-5-31 509 Contra Costa n. Briones Reservoir (ca. 2 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Natural Reserve); Hampton Natural Reserve 200 Comment
  UC473456  Holocarpha heermannii John Thomas Howell 1930-9-28 5499 Contra Costa 6.3 mi from Byron (on the Marsh Creek Rd.) Comment
  CAS-BOT-BC316050  Holocarpha heermannii Lewis S. Rose 1933-10-22 33387 Contra Costa Wildcat Canyon Comment
  CAS-BOT-BC325831  Holocarpha heermannii John Thomas Howell 1930-9-28 5499 Contra Costa 6.3 miles from Byron on teh Marsh Creek Road Comment
  CAS-BOT-BC325833  Holocarpha heermannii John Thomas Howell 1929-9-21 4389 Contra Costa 5 miles se. of Clayton on Marsh Creek Road Comment
  CAS-BOT-BC325843  Holocarpha heermannii David D. Keck 1933-10-28 2605 Contra Costa 4.5 mi. SE of Martinez on road to Pacheco Comment
  UCD133198  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa east of Highway 80 and 100-300 yards south of Apian Way, Pinole. 30 Comment
  UC702539  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 mi w Byron (on the Marsh Creek Road) 33 Comment
  CAS-BOT-BC320239  Holocarpha obconica L. R. Abrams 1917-9-13 6723 Contra Costa Patterson Pass - east side Comment
  CAS-BOT-BC320245  Holocarpha obconica James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Hills Comment
  CAS-BOT-BC320249  Holocarpha obconica H. M. Hall 1930-8-7 12846 Contra Costa Vasco Road at Junction 4 miles west of Byron Comment
  SEINET7545173  Holocarpha obconica subsp. autumnalis D. D. Keck, J. Clausen 1933-1 2567 Contra Costa 1.6 mi.W. of Byron, 1.4 mi. from jct with Vasco Rd. Comment
  RSA739725  Holocarpha obconica subsp. obconica John Dittes 2006-10-26 1415 Contra Costa San Joaquin Valley (foothills near NW edge) 2 air mile S of Marsh Creek Reservoir Gauging Station, 1.6 air mile SW of intersection of Camino Diablo and Vasco Road, Contra Costa Water District's Los Vaqueros Watershed Mitigation. 67 Comment
  CAS-BOT-BC324614  Holocarpha virgata H. M. Hall 1930-6-18 12794 Contra Costa Stockton Ranch, south of Antioch Comment
  CAS-BOT-BC324618  Holocarpha virgata John Thomas Howell 1930-9-28 5502 Contra Costa On the Marsh Creek Road 5.4 miles from Byron Comment
  UC912326  Holocarpha virgata subsp. virgata Herbert L. Mason 1929-9-21 5431 Contra Costa 3 mi above Clayton (summit of grade, Marsh Creek Road) Comment
  POM179767  Holocarpha virgata subsp. virgata J. T. Howell 1930-9-28 5502 Contra Costa 5.4 miles from Byron on Marsh Creek Road. Comment
  POM181466  Hordeum depressum I. L. Wiggins 1930-4-17 4578 Contra Costa 1/4 mi. S. of Byron 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
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCD85869  Hordeum marinum subsp. gussoneanum P. B. Kennedy 1916-5-11 s.n. Contra Costa Richmond District, Grand View Terrace. Comment
  CAS-BOT-BC289558  Hordeum marinum subsp. gussoneanum Peter H. Raven; G. Thomas Robbins 1956-4-28 9044 Contra Costa In a low filed jsut east of junction to Martinez along State Highway 4 Comment
  SEINET10826946  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1928-4-15 Heller 14498 Contra Costa Low ground near Byroa in clay soil. Comment
  SEINET10595762  Hordeum murinum Ball 1975-3-2 BALL 456 Contra Costa In area #4. On beach ca. 30 yds. S of dam on E side of lake. Accompanying species include Bromus rigidus, etc. Soil sandy clay. 32 Comment
  SD234021  Hordeum murinum subsp. leporinum Virginia Pinkus Ryder 1964-4-12 142 Contra Costa Mt. Diablo, Walnut Creek. 244 Comment
  RSA123439  Hordeum murinum subsp. leporinum R. W. Lundh 1933-4-17 229 Contra Costa Bolinas Creek 152 Comment
  SEINET11263166  Horkelia californica subsp. dissita Barbara Ertter, Chris Thayer 1996-10-25 15385 Contra Costa West side of Mount Diablo, North Gate Road 1.0 roadmiles NW of Junction, spring near road.; 0 579 Comment
  UC1606349  Horkelia californica subsp. frondosa Barbara Ertter with Dianne Lake 1991-8-18 10677 Contra Costa e;steep N-facing slope above pilings, ne of Bull Valley staging area Crockett; Carquinez Stsrait Regional Shoreline Comment
  UC2062668  Horkelia californica subsp. frondosa Barbara Ertter 2002-8-24 18015 Contra Costa East end of Olympia Trail on NE side of Mount Diablo, at junction with uphill trail near intersection of Marsh Creek Road and Morgan Territory Road. Comment
  CAS-BOT-BC536162  Horkelia californica var. elata Mary L. Bowerman 1938-6-14 3684 Contra Costa Rocky Point Spring, Mount Diablo 701 Comment
  CAS-BOT-BC532053  Horkelia californica var. frondosa Joseph Andorfer Ewan 1934-5-20 8926 Contra Costa Russelmann Park, n. side Mt. Diablo Comment
  CAS-BOT-BC55476  Hornungia procumbens Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  JEPS96231  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
  CAS-BOT-BC401301  Hypericum scouleri L. R. Abrams 1910-10-8 4347 Contra Costa Mt Diablo 914 Comment
  POM181476  Hypochaeris glabra I. L. Wiggins 1930-4-18 4596 Contra Costa East end of Jersey Island. Comment
  UC691776  Hypochaeris glabra Mary L. Bowerman 1933-5-25 2184 Contra Costa 411 Comment
  UC1584689  Hypochaeris radicata Jerry Powell 1987-7-14 1506 Contra Costa Point Molate Beach Comment
  CAS-BOT-BC311409  Hypochaeris radicata R. E. Frenkel 1964-2-22 358 Contra Costa On Giant Road, 0.4 mile north ATSF RR crossing, Richmond 15 Comment
  CAS-BOT-BC133498  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns Island Comment
  UCD133351  Iva axillaris Morris Halperin 1930-5-20 s.n. Contra Costa Hoffman Ranch, Brentwood. Comment
  UC691987  Juncus ambiguus Mary L. Bowerman 1933-4-22 1885 Contra Costa nw end of Shell Ridge (s of highway (Heather Farm), Mount Diablo); Mount Diablo, Shell Ridge Comment
  UCD146717  Juncus ambiguus G. F. Hrusa; D. Crowe 1998-5-8 14363 Contra Costa Sacramento-San Joaquin River Delta. At east end of Dow Chemical property at Pittsburg. 10 Comment
  SEINET3840813  Juncus arcticus subsp. littoralis Unknown 2006-7-14 6 .326 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  JEPS112453  Juncus balticus D. G. Kelch 2005-3-25 05 .73 Contra Costa Hercules - Carbon Carbon Road near Route 4. 50 Comment
  UC1607650  Juncus balticus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10704 Contra Costa opposite of Pittsburg Marina (center of w end of Browns Island, n of Pittsburg, near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  UC2028285  Juncus balticus Barbara Ertter 1998-6-20 16238 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. Comment
  UC691939  Juncus balticus Mary L. Bowerman 1933-9-15 2444 Contra Costa s-face Meridian Peak; Mount Diablo, , Hunt Spring 762 Comment
  UC691985  Juncus bufonius var. bufonius Mary L. Bowerman 1931-4-11 705 Contra Costa Sulphur Spring in Pine Canyon, Mount Diablo Sulphur Spring; Mount Diablo, Pine Canyon, Sulphur Spring 137 Comment
  UC2028264  Juncus bufonius var. bufonius Barbara Ertter 1999-6-12 16716 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
  JEPS127264  Juncus bufonius var. congestus Lowell Ahart, Josephine Guardino 2016-4-19 20786 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 to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. 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
  SBBG122838  Juncus gerardi B. Ertter, S. Matson 2003-5-31 18175 Contra Costa Pickleweed Trail W of Arch Bridge, Martinez Regional Shoreline Comment
  UC1789175  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
  JEPS96252  Juncus lescurii Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10681 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers opposite Pittsburg Marina, marsh at edge of lagoon in center of w end of island); Browns Island Comment
  UC691940  Juncus mexicanus Mary L. Bowerman 1933-5-3 1987 Contra Costa Alder Creek Mount Diablo 1066 Comment
  JEPS96253  Juncus occidentalis Barbara Ertter, Brad Olson 1991-11-10 10887 Contra Costa Point San Pablo in extreme west Richmond, behind yacht harbor Point San Pablo; Richmond, Point San Pablo Comment
  UC1584658  Juncus occidentalis Jerry Powell 1989-3-26 1560 Contra Costa Point Molate Comment
  JEPS112437  Juncus patens D. G. Kelch 2004-5-7 04 .200 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  SEINET11785699  Juncus phaeocephalus Unknown 1940-1 1004 b Contra Costa 2 mi S of San Rafael ferry dock Comment
  UCD141773  Juncus phaeocephalus M. Wiesendanger 1926-5-1 1510 Contra Costa near Richmond. Comment
  JEPS112448  Juncus phaeocephalus var. paniculatus A. G. Murdock 2004-5-28 276 Contra Costa Refugio Valley 120 Comment
  RSA368317  Juncus phaeocephalus var. paniculatus H. de Forest 1930-5-7 s.n. Contra Costa Road near Morage. Comment
  JEPS111079  Juncus phaeocephalus var. phaeocephalus Lee Echols 2003-6-2 s.n. Contra Costa N of Lark Drive in SW portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  JEPS112444  Juncus tenuis D. G. Kelch 2003-4-3 03 .366 Contra Costa Cummings Skyway 115 Comment
  RSA352511  Juniperus californica Mark Morris 1929-03 s.n. Contra Costa Mt. Diablo. Comment
  UC480589  Juniperus californica Carl Meyer 1928-2-22 282 Contra Costa Mt. Diablo Comment
  UC558454  Juniperus californica C. M. Belshaw 1936-10-25 2021 Contra Costa 0.75 mi ne of North Peak; Mount Diablo 609 Comment
  UC77  Juniperus californica Harley P. Chandler 1901-4-5 980 A Contra Costa Mt. Diablo Comment
  SEINET10531634  Juniperus californica Lewis S. Rose 1941-3-22 Rose 41052 Contra Costa Mt. Diablo, west slope. 915 Comment
  UC585510  Koeleria macrantha Virginia E. Long 1933-6-14 223 a Contra Costa between Curry Cave trail canyon and W. Fork Mt. Diablo; , btw Curry Cave trail canyon and W. Fork Comment
  UC691244  Koeleria macrantha Mary L. Bowerman 1935-5-16 2992 Contra Costa Russelman Park Mount Diablo (just s of the n boundary of section 25 (e of gate)); , Russelman Park Comment
  UCD85839  Koeleria macrantha P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC499188  Kopsiopsis strobilacea W. W. Carruth no date on label s.n. Contra Costa Moraga Valley Comment
  UC2028100  Lactuca saligna Barbara Ertter, Chris Thayer 1996-10-25 15372 Contra Costa West side of Mount Diablo, North Gate Road 1 road mile NW of Burma Road, at west end of Long Ridge. Comment
  UC691777  Lactuca serriola Mary L. Bowerman 1930-10-4 483 Contra Costa Maple Spring Mount Diablo Comment
  CAS-BOT-BC340537  Lactuca serriola Walter Knight; Irja Knight; J. T. Howell; E. McClintock 1978-9-5 3236 Contra Costa Browns Island Comment
  CAS-BOT-BC340540  Lactuca serriola John Thomas Howell; Gordon H. True 1972-7-29 48918 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  CAS-BOT-BC340542  Lactuca serriola R. E. Frenkel 1964-2-5 353 Contra Costa On California Hwy. 21, Market Plaza Center, Alamo 79 Comment
  UC2029174  Lactuca virosa Barbara Ertter 2000-7-29 17443 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water. Comment
  UC912601  Lagophylla ramosissima Herbert L. Mason 1929-9-21 5432 a Contra Costa Marsh Creek road 3 mi above Clayton (summit of grade) Comment
  CAS-BOT-BC412726  Lastarriaea coriacea Alice Eastwood 1921-4-18 10275 Contra Costa Antioch Comment
  CAS-BOT-BC337975  Lasthenia californica Alice Eastwood 1921-4-18 10277 Contra Costa Antioch Comment
  CAS-BOT-BC337979  Lasthenia californica Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  JEPS10382  Lasthenia californica subsp. californica W. L. Jepson 1931-4-5 15718 Contra Costa adobe flat in hills about Nortonville 457 Comment
  UC1614101  Lasthenia californica subsp. californica Charles M. Belshaw 1935-6-24 783 Contra Costa 0.5 mi. e. Grizzly Peak (n.-face Bald Peak); Bald peak Comment
  UC90073  Lasthenia conjugens T. S. Brandegee Jun 1884 Contra Costa Walnut Creek Comment
  CAS-BOT-BC353331  Lasthenia fremontii Lewis S. Rose 1956-4-16 56016 Contra Costa Dry rain pool, 2 mi. SE of Byron. 7 Comment
  POM181483  Lasthenia fremontii I. L. Wiggins 1930-4-17 4579 Contra Costa 1/4 mi. S. of Byron 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
  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
  UC194265  Lasthenia glaberrima Edward Lee Greene 1886-5-24 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC352928  Lasthenia glaberrima A. D. E. Elmer 1903-5-1 4321 Contra Costa Walnut Creek Comment
  CAS-BOT-BC367594  Lasthenia microglossa Roxana S. Ferris 1924-4-12 4080 Contra Costa Mitchell Canyon. Mt Diablo Comment
  SD241758  Lasthenia microglossa Mary Bowerman 1979-4-10 Contra Costa Mount Diablo. Mitchell Canyon opposite upper end of old reservoir. On steep bank above fire road. Comment
  POM181471  Lasthenia minor I. L. Wiggins 1930-4-17 4556 Contra Costa 1 mile E of Mountain House on road to Byron Comment
  RSA8522  Lasthenia minor J. T. Howell 1933-3-29 10895 Contra Costa Nortonville Comment
  JEPS25041  Lasthenia platycarpha Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-10 6967 Contra Costa 1 mi se Byron (in fields e of Byron road) 6 Comment
  JEPS9902  Lasthenia platycarpha Greene 1889-3-23 Contra Costa Byron 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
  JEPS55365  Lathyrus vestitus var. vestitus H. L. Mason 1931-4-4 Contra Costa se of Mt. Diablo; Upper Marsh Creek Comment
  JEPS55375  Lathyrus vestitus var. vestitus W. L. Jepson 1918-6-5 7615 Contra Costa Donner Canyon Mt. Diablo 701 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
  UC692407  Lathyrus vestitus var. vestitus Mary L. Bowerman 1930-6-5 257 Contra Costa 5.8 mi by road from North Gate (North Road); Mount Diablo 457 Comment
  UC964777  Lathyrus vestitus var. vestitus Herbert L. Mason 1931-4-5 5829 Contra Costa road between Marsh Creek and Livermore Comment
  UC692314  Lathyrus vestitus var. vestitus Mary L. Bowerman 1932-4-16 1362 Contra Costa Eagle Point ridge, n of 1682 point Mount Diablo Comment
  CAS-BOT-BC323911  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  CAS-BOT-BC323927  Layia chrysanthemoides Alice Eastwood 1921-4-18 10257 Contra Costa Antioch Comment
  UC30593  Layia chrysanthemoides Harley P. Chandler 1901-3-22 879 Contra Costa Rodeo Canyon San Francisco Bay Region, Rodeo Canyon Comment
  UC650363  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa s Byron 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
  CAS-BOT-BC321747  Layia gaillardioides M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC321080  Layia glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  JEPS40029  Layia glandulosa H. L. Mason 1932-3-20 Contra Costa Antioch Comment
  UC144256  Layia glandulosa E. L. Greene 1903-4-27 2939 Contra Costa Antioch Comment
  UC30636  Layia glandulosa E. L. Greene 1886-5-1 Contra Costa Antioch Comment
  JEPS13426  Layia glandulosa R. F. Hoover 1937-5-14 2115 Contra Costa Comment
  POM361662  Layia glandulosa H. de Forest 1930-4-6 s.n. Contra Costa SE of Mortoville, Small 'coal mine' ravine. Comment
  RSA102175  Layia heterotricha M. K. Curran 1886-05 s.n. Contra Costa Near Antioch. Comment
  UC1606413  Layia hieracioides Barbara Ertter, Chris Thayer 1993-5-7 11710 Contra Costa ca 1/2 mi n Volmer (=Bald) Peak (in East Bay Municipal Utilities District land e of Tilden Park, just below ridge on ne-facing slope) 457 Comment
  UC30669  Layia platyglossa Harley P. Chandler 1901-4-5 992 Contra Costa Mt. Diablo Comment
  POM53355  Layia platyglossa subsp. platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch. Comment
  CDA31884  Leersia oryzoides D. G. Kelch 2007-11-13 7 .656 Contra Costa Carquinez Strait; Old brick factory 1.2 km SE of Port Costa. Comment
  CDA9564  Lemna gibba D. G. Kelch 2007-6-17 7 .463 Contra Costa Carquinez Strait; Fernandez Ranch, Muir Land Trust. Franklin Canyon. 0 Comment
  UC692082  Lemna minuscula Mary L. Bowerman 1933-9-9 2430 Contra Costa Mount Diablo, (spring which feeds Frog Pond) Mount Diablo Comment
  UC2028592  Lemna minuta Barbara Ertter with Dan Norris 2001-4-15 17606 Contra Costa Diablo Foothills Regional Park, Alamo Trail from Livorna Staging Area. Comment
  CDA43402  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. Comment
  JEPS73691  Lepidium dictyotum var. acutidens L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-3 1760 Contra Costa about 3 mi se Byron (at junction of Holey Road, along Byron-Bethany road) 7 Comment
  RSA788058  Lepidium dictyotum var. acutidens L. S. Rose 1949-3-24 49012 Contra Costa 4 mi south of Byren 8 Comment
  RSA8388  Lepidium dictyotum var. acutidens L. S. Rose 1933-3-29 33041 Contra Costa Nortonville. Comment
  CDA24908  Lepidium dictyotum var. dictyotum Jim Jokerst 1989-3-29 3073 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  UC1607702  Lepidium latifolium Barbara Ertter 1991-5-12 9810 Contra Costa sw corner El Cerrito (n of park); San Francisco Bay, Point Isabel Regional Shoreline Comment
  JEPS90380  Lepidium latipes var. latipes Dean Wm. Taylor with Glenn Clifton 1990-3-6 10612 Contra Costa Byron Hot Springs Rd. 1 mi s Holey Road ((Clifton Court Forebay 7 1/2 quadrangle)); San Joaquin Valley 24 Comment
  CAS-BOT-BC89897  Lepidium nitidum Lewis S. Rose 1933-3-29 33045 Contra Costa Pittsburg. Comment
  CHSC22760  Lepidium nitidum Robert A. Schlising 1962-4-7 2146 Contra Costa Coast Ranges. Along roads and highways near Antioch Reservoir. Comment
  UC2070550  Lepidium nitidum Barbara Ertter with David Gowen and Michael Park 2017-5-2 22813 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road Comment
  UC517997  Lepidium nitidum Lewis S. Rose 1933-3-29 33045 Contra Costa Pittsburg Comment
  CAS-BOT-BC89895  Lepidium nitidum Lewis S. Rose 1933-3-10 33014 Contra Costa Brentwood. Comment
  RSA34732  Lepidium nitidum R. C. Rollins 1946-3-25 3044 Contra Costa Western slope of Mount Diablo. 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
  JEPS68978  Lepidium nitidum var. nitidum Edward Lee 1935-3-29 1314 Contra Costa Nortonville, s. watershed of Kirker Creek Comment
  RSA537663  Lepidium nitidum var. oreganum Barbara Ertter, Jim Jokerst, D. Magney 1989-4-5 8127 Contra Costa SE Contra Costa: alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton 0 Comment
  JEPS99536  Lepidium strictum Mary L. Bowerman 1995-5-28 Contra Costa Mount Diablo, fire road from Macedo Ranch to Wall Pt. Ridge. Comment
  UC10597  Lepidium strictum Harley P. Chandler 1901-4-5 942 Contra Costa Pine Canyon Mt. Diablo Comment
  UC1818924  Lepidium strictum Barbara Ertter, Mary Bowerman 1995-6-11 14252 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, Kovar Trail roadbed near Indian Creek, annual grassland 76 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
  UC2027727  Leptosiphon bicolor Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15507 a Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC2027729  Leptosiphon bicolor Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15507 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  POM65854  Leptosiphon liniflorus C. F. Baker 1903-4-27 2864 Contra Costa Byron. Comment
  UCD134062  Lessingia glandulifera var. glandulifera Ann F. Johnson 1978-5-26 AN- 21 Contra Costa San Joaquin River in front of east PG and E tower, Antioch Dunes. Comment
  UC1287418  Lessingia pectinata var. tenuipes Willard Spence 1960-9-2 609 Contra Costa 0.2 mi e of Antioch Boat Ramp; Antioch Comment
  RSA299549  Lessingia pectinata var. tenuipes Edward Lee, Annetta Carter 1935-8-17 1621 Contra Costa Antioch Comment
  UC909772  Leymus X multiflorus Milo S. Baker 1950-5-20 12226 Contra Costa roadside between Martinez and Port Costa Comment
  RSA63664  Leymus condensatus Milo S. Baker 1950-5-22 12226 Contra Costa Roadside between Martinez and Pt. Costa Comment
  SEINET3840826  Leymus triticoides Unknown 2006-6-23 6 .321 Contra Costa West Valona, West of the Zampa Bridge above San Pablo avenue, along a small stream draining north into the Western end of the Carquinez Strait 91 Comment
  UCD65640  Leymus triticoides A. A. Beetle 1941-6-24 1751 Contra Costa Point Richmond on San Francisco Bay. Comment
  UCD87580  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  CAS-BOT-BC272214  Leymus triticoides R. E. Frenkel 1964-9-19 848 Contra Costa On Morgan Territore Road, 0.2 mile south of summit 637 Comment
  CAS-BOT-BC272218  Leymus triticoides John Thomas Howell; Gordon H. True 1972-6-29 48928 Contra Costa Byron Hot Springs Road southeast of Byron Comment
  CHSC106844  Limnanthes douglasii var. rosea Barbara Ertter; Jim Jokerst, Dave Magney 1989-4-5 8115 Contra Costa SE part of county. Ca 15 air miles SW of Stockton, alkali sink W and adjacent to Clifton Court Forebay. Comment
  CDA39056  Limonium sinuatum D. G. Kelch 2011-6-12 11 .585-B Contra Costa Carquinez Strait; Above Point Costa. 0 Comment
  UC23376  Linanthus androsaceus Brewer 1862-5-22 1139 Contra Costa ne of Mt. Diablo (hills s of Coal Mines) Comment
  UC30176  Linanthus androsaceus W. H. Brewer 1862-5-22 1139 Contra Costa foothills e Mount Diablo Comment
  UC908952  Linanthus androsaceus Herbert L. Mason 1928-4-29 4441 Contra Costa Sycamore Canyon Mount Diablo (s slope of Mt. Diablo) Comment
  UC691639  Linanthus bicolor Mary L. Bowerman 1931-3-29 625 Contra Costa n side, 500 ft from top Cave Point; Mount Diablo Comment
  UC691640  Linanthus bicolor Mary L. Bowerman 1931-3-29 619 Contra Costa East Cave Point Ridge; Mount Diablo Comment
  JEPS108355  Linanthus bolanderi David Gowen 2005-4-3 224 Contra Costa Mt. Diablo State Park. Rhine Canyon just below Devils Elbow. Comment
  UC568777  Linanthus ciliatus G. L. Stebbins Jr. 1937-5-1 2111 Contra Costa 1 mi s Somersville 365 Comment
  UC75206  Linanthus liniflorus C. F. Baker 1903-4-27 2864 Contra Costa Byron Comment
  UC964003  Linanthus pygmaeus subsp. continentalis R. F. Hoover 1939-4-13 4020 Contra Costa w branch Head of Markley Canyon 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
  UC1795771  Linum bienne Barbara Ertter, Brad Olson 1994-5-7 12746 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  SEINET3817186 Image available Lithophragma affine Lewis S. Rose 1933-4-17 33099 Contra Costa Walnut Creek. Comment
  UC2028180  Lithophragma bolanderi Barbara Ertter 1998-5-3 16038 Contra Costa SW fork of Pine Creek between Pine Ridge and Wall Point Ridge, southwest base of Mount Diablo. 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
  UC1948972  Lolium multiflorum William J. Ferlatte, L. Maynard Moe 1970-4-27 1221 Contra Costa San Francisco Bay: Red Rock Island Comment
  SEINET2074966  Lolium multiflorum S. J. Gibbs 1970-3-27 Contra Costa Oak View Terrace, 3 mi. N.E. of P.O. 121 Comment
  UC1948973  Lolium perenne William J. Ferlatte, L. Maynard Moe 1970-4-27 1248 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC271057  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa Branch of Curry Canyon due south of Olafsons barn, Mount Diablo Comment
  UC692349  Lomatium californicum Mary L. Bowerman 1933-4-26 1926 Contra Costa North Peak ridge e.-s.e. of the peak Mt. Diablo (just n. of crest near a solitary Pinus sabiniana which is on the crest of the ridge) 518 Comment
  UC659030  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1165 Contra Costa 3 mi. s. Byron Comment
  UCD150873  Lomatium caruifolium var. caruifolium P. B. Kennedy 1914-3-15 4625 Contra Costa Sunset Cemetery. Comment
  CDA38380  Lomatium dasycarpum P. Arnaud 1959-4-19 2239 Contra Costa Mt. Diablo State Park, Juniper Campground. 0 Comment
  JEPS17143  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1918-6-3 7579 Contra Costa Donner Canyon Mt. Diablo Comment
  UC140639  Lomatium macrocarpum Katharine Curran May 1885 Contra Costa Antioch Comment
  UC691771  Lomatium macrocarpum Mary L. Bowerman 1935-5-1 2945 Contra Costa w. rd. 4.4 mi. from entrance Mt. Diablo 381 Comment
  UCSB13018  Lomatium macrocarpum Dearing, Hugh; Dearing, Margaret 1940-3-30 Contra Costa Top of Mt. Diablo Comment
  UC692363  Lomatium nudicaule Mary L. Bowerman 1935-6-15 3127 Contra Costa Mt. Diablo, Mitchell-Pine divide, also large grassy ridge running n. Mt. Diablo, Mitchell-Pine divide 609 Comment
  JEPS100134  Lomatium utriculatum G. Smick 2003-3-25 GAS 116 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA42380  Lonicera hispidula D. G. Kelch 2012-5-27 12 .071 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  UC2031434  Lonicera hispidula Barbara Ertter 1991-6-1 10070 Contra Costa Las Trampas Regional Wilderness in hills W of Danville Comment
  SEINET12266795  Lonicera hispidula var. californica M. T. Doutt 1930-1 86 Contra Costa Marsh Creek Comment
  JEPS22791  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee at e end Jersey Island Comment
  NY785489  Lonicera japonica B. J. Ertter 1991-8-18 10694 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina 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
  JEPS12856  Lonicera subspicata var. denudata Mary L. Bowerman 1931-6-4 922 Contra Costa summit Meridian Peak; Mt. Diablo Comment
  UC1594184  Lotus corniculatus Jerry Powell 1992-6-17 1650 Contra Costa Richmond Field Station Comment
  RSA138287  Lotus heermannii Volney Rattan 1879 Contra Costa Antioch Comment
  UC555416  Lotus micranthus H. L. Mason 1928-4-29 4428 Contra Costa Sycamore Canyon, s slope of Mount Diablo Mount Diablo Comment
  UC692269  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  JEPS55900  Lotus scoparius A. M. Ottley 1920-6-5 773 Contra Costa Moraga Ridge Comment
  UC692571  Lotus scoparius Mary L. Bowerman 1930-6-5 255 Contra Costa 5.8 mi from entrance West road (=North Road); Mount Diablo Comment
  UC69634  Lotus scoparius Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC1795732  Lotus scoparius var. scoparius Barbara Ertter, Brad Olson 1994-5-7 12761 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  SEINET3560064 Image available Lotus subpinnatus Rimo Bacigalupi, L. R. Heckard 1965-5-11 9082 Contra Costa Brooks Island 30 Comment
  JEPS55832  Lotus wrangelianus W. L. Jepson 1922-5-11 9636 Contra Costa North Berkeley Hills Comment
  UC692262  Lotus wrangelianus Mary L. Bowerman 1931-3-14 572 Contra Costa e side Windy Point; Mount Diablo Comment
  UCSC000383  Lotus wrangelianus A. E. Borell 1928-3-18 27 Contra Costa West slope of Mount Diablo Comment
  CAS-BOT-BC478075  Ludwigia Walter Knight 1978-9-28 3277 Contra Costa Browns Island, Botany Cove Comment
  UC726775  Lupinus A. A. Heller 1938-4-9 15019 Contra Costa near the w end Antioch Bridge; near the w end of the Antioch Bridge Comment
  UC15755  Lupinus affinis W. H. Brewer 1862-4-25 996 Contra Costa Martinez Comment
  UC15822  Lupinus albifrons W. H. Brewer 1862-5-1 1038 Contra Costa s Camp 69; s of Camp 69 Comment
  LA205021  Lupinus albifrons J. A. Ewan; 1934-3-10 8645 Contra Costa Wildcat Canyon, 2 mi below Orinda Rd bridge, Comment
  CAS-BOT-BC201365  Lupinus albifrons var. albifrons James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC201369  Lupinus albifrons var. albifrons H. E. McMinn 1922-6-2 81 Contra Costa N. slope of Mt. Diablo Comment
  JEPS112355  Lupinus albifrons var. albifrons Dean G. Kelch and Andrew G. Murdock 2004-3-12 04 .019 Contra Costa Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA. Comment
  POM10982  Lupinus albifrons var. albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch. Comment
  CAS-BOT-BC201376  Lupinus albifrons var. albifrons Charles Piper Smith 1922-4-14 3483 Contra Costa Antioch - Santa Fe Comment
  CDA27417  Lupinus bicolor D. G. Kelch, A. G. Murdock 2005-4-15 5 .146 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  JEPS111410  Lupinus bicolor J. Shade 2009-4-20 Contra Costa Robert Sibley Volcanic Regional Preserve. On Loop Trail, by cliff overlooking Quarry pit. Comment
  UC75240  Lupinus bicolor C. F. Baker 1903-4-25 2822 Contra Costa Antioch Comment
  UCR12074  Lupinus bicolor Coleta A. Lawler 1964-5-8 057 Contra Costa San Francisco Bay Region, Hampton Road, 3 .7 mi south of junction with Alhambra Valley Road; c. 10 miles northwest of Lafayette 46 Comment
  POM10667  Lupinus bicolor subsp. tridentatus H. P. Chandler 975 Contra Costa Between Pine Canyon and the Summit. Comment
  UC1073380  Lupinus bicolor subsp. umbellatus George B. Rossbach 1955-3-13 323 Contra Costa just e Antioch (along San Joaquin River); , just e of Antioch Comment
  JEPS12790  Lupinus chamissonis Rimo Bacigalupi with G. T. Robbins 1955-5-4 4980 Contra Costa just e Antioch (along San Joaquin River front); , e of Antioch 9 Comment
Read comments
May 25 2007
  CAS-BOT-BC187856  Lupinus chamissonis John Thomas Howell 1932-9-17 10757 Contra Costa Clay Flats, San Pablo Avenue, Richmond Comment
  CDA934  Lupinus formosus D. G. Kelch 2005-6-14 5 .334 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  SEINET13198366 Image available Lupinus formosus A. G. Vestal 1947-6-2 s.n. Contra Costa Comment
  RSA0064357  Lupinus latifolius Daisie Huang 2006-7-18 06071805 Contra Costa Ppinehurst Road above Moraga Road. 156 Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  SJSU10780  Lupinus microcarpus var. microcarpus D. C. Bettencourt 1959-4-18 Contra Costa Mt Diablo Foothills 304 Comment
  UC201030  Lupinus microcarpus var. microcarpus Katharine Brandegee July, 1918 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UC2028214  Lupinus nanus Barbara Ertter with Richard K. Brummitt 1998-5-13 16132 Contra Costa Summit Road on Mount Diablo, base of rock outcrop/roadcut above Juniper Camp. Comment
  UCD109246  Lupinus nanus L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace - m. Richmond. Comment
  RSA128342  Lupinus nanus subsp. nanus Peter H. Raven 1950-3-12 1427 Contra Costa Happy Valley Road, 3.8 miles above junction with Upper Happy Valley Road. Comment
  UC762924  Lupinus pachylobus R. F. Hoover 1938-5-4 3342 Contra Costa Peak e Tassajero Creek; Peak e of Tassajero Creek Comment
  CDA33853  Lupinus pachylobus D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .105 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC2070441  Lupinus pachylobus Barbara Ertter with Linda Vorobik 2002-4-6 17823 Contra Costa South side of Mount Diablo, roadside NW of Curry Point trailhead. Comment
  JEPS100068  Lupinus succulentus G. Smick 2003-5-1 GAS 158 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1555370  Lupinus succulentus Jerry Powell 1988-4-1 1529 Contra Costa Point Molate Point Molate, West Richmond; West Richmond, Point Molate Comment
  UC614849  Lupinus succulentus Beryl O. Schreiber 1932-3-27 153 Contra Costa near Midway; near Midway Comment
  UC2987  Luzula comosa W. H. Brewer 1862-5-23 1148 Contra Costa se Monte Diablo; se of Monte Diablo Comment
  UC2028336  Luzula macrantha Barbara Ertter 1991-5-5 9778 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon Comment
  UC1157921  Luzula subsessilis Olive Dyer 1937-4-4 252 Contra Costa Wildcat Canyon, 1/4 mi above end of road, N end of Canyon Comment
  CDA1506  Lythrum californicum D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  UCD150881  Lythrum hyssopifolia James A. Neilson Jr. 1972-11-2 3617 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  JEPS100179  Madia elegans A. Langston 2003-7-9 AL 62 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC33221  Madia elegans Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC2027823  Madia elegans Barbara Ertter 2000-11-19 17552 Contra Costa Briones Regional Park, Black Oak 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
  UC691552  Madia elegans Mary L. Bowerman 1933-5-19 2144 Contra Costa Sulphur Springs Canyon, e fork Mount Diablo 457 Comment
  JEPS111711  Madia exigua D. G. Kelch 2004-5-9 04 .205 Contra Costa Crockett - Edwards Canyon; Upper Edwards Canyon 160 Comment
  CAS-BOT-BC342981  Madia gracilis Barrett Anderson 1987-4-30 3499 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  CDA29558  Madia gracilis D. G. Kelch, Troy MacGregor 2009-5-1 9 .27 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  CDA34201  Madia gracilis D. G. Kelch, D. A. Weinstein 2011-5-28 11 .54 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  CAS-BOT-BC342983  Madia gracilis John Thomas Howell 1931-5-12 6484 Contra Costa North side of Mt. Diablo Comment
  OBI49199  Madia gracilis Joseph Andorfer Ewan 1934-5-20 8931 Contra Costa Russelmann Park N slope of Mt Diablo Comment
  UC2027835  Madia gracilis Barbara Ertter 2001-5-10 17636 Contra Costa North flank of Mount Diablo, SE of Mitchell Canyon trailhead, on traversing road to Mitchell Rock Trail. Comment
  CAS-BOT-BC324489  Madia radiata unspecified No date on label. s.n. Contra Costa Antioch Comment
  SEINET3148105  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  UC89535  Madia radiata unknown April 1889 Contra Costa near Antioch Comment
  RSA0008526  Madia radiata A. A. Heller 1938-4-9 s.n. Contra Costa 3 miles southwest of Antioch Comment
  CDA29210  Madia sativa D. G. Kelch 2008-6-15 8 .247 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  UC1050874  Magnolia liliiflora N. Floy Bracelin 1942-2-22 1301 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC2028129  Malacothamnus fasciculatus Barbara Ertter 1998-5-3 16079 a Contra Costa Wall Point Road and Emmons Canyon Road, southwest flank of Mount Diablo. Comment
  CAS-BOT-BC206329  Malacothamnus fremontii Walter Knight; Irja Knight 1967-4-2 s.n. Contra Costa Nortonville. Comment
  UC692612  Malacothamnus fremontii Mary L. Bowerman 1930-6-18 353 Contra Costa Mount Diablo 822 Comment
  UC692619  Malacothamnus hallii Mary L. Bowerman 1936-8-25 3534 Contra Costa n upper farm (on Cowell Cement property.); Mount Diablo, west side Lime Ridge 137 Comment
  UC692693  Malacothamnus hallii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running w from Twin Peak; Mount Diablo 335 Comment
  CAS-BOT-BC204090  Malacothamnus hallii Volney Rattan 1886-6-14 s.n. Contra Costa Mouth of Pine Canon [Canyon]. Foot of Mount Diablo Comment
  CAS-BOT-BC204097  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa On North Road, Mt. Diablo 259 Comment
  UC691438  Malacothrix clevelandii Mary L. Bowerman 1933-5-18 2134 Contra Costa Mount Diablo Comment
  CAS-BOT-BC345453  Malacothrix coulteri Alice Eastwood 1914-3-14 3816 Contra Costa Byron Springs Comment
  UC691449  Malacothrix floccifera Mary L. Bowerman 1935-6-1 3105 Contra Costa e of Mitchell-Pine divide (second small ridge, bottom of s face); Mount Diablo 975 Comment
  POM53214  Malacothrix floccifera C. F. Baker 1903-4-28 2948 Contra Costa Marsh Creek, Mt. Diablo. Comment
  UCD151068  Malvella leprosa James A. Neilson Jr. 1972-10-22 3622 Contra Costa Contra Costa County. Lower Pine Creek. (Elevation estimated using Google Earth by label maker.) 15 Comment
  UC2028362  Malvella leprosa Barbara Ertter with Tony Morosco 1998-7-11 16363 Contra Costa North base of Mount Diablo, near small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area Comment
  JEPS42516  Marah fabacea W. L. Jepson 1922-5-11 9648 Contra Costa North Berkeley Hills Comment
  JEPS81140  Marah fabacea Edward Lee with Annetta Carter 1936-2-9 1747 Contra Costa 5.6 mi from Perkins Canyon road (Marsh Creek Road) Comment
  POM226096  Marah fabacea J. T. Howell 1933-3-29 10902 Contra Costa Nortonville hills. Comment
  UCSB9128  Marah fabacea Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Black Hills, S of Mt. Diablo, on south road to Mt. Diablo from Danville 365 Comment
  CHSC46896  Marah oregana R. A. Schlising 1965-4-6 2775 Contra Costa Berkeley Hills. Comment
  SEINET5560693  Marah oregana H. S. Gentry 1931-1 58 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  CAS-BOT-BC348049  Matricaria discoidea Mary L. Bowerman 1931-4-4 653 Contra Costa Mount Diablo. North Road 4.5 miles from North Gate Comment
  HSC6009  Matricaria discoidea D. A. Shally 1965-4-18 36 Contra Costa Canyon 1 mi. N of Canyon Store 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
  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
  UC1197429  Medicago polymorpha Joseph P. Tracy 1934-4-30 13190 Contra Costa between Lafayette and Moraga 152 Comment
  JEPS127048  Medicago polymorpha var. polymorpha Lowell Ahart, Josephine Guardino 2016-4-19 20762 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
  HSC24000  Medicago sativa Tim Baroni 1971-10-16 199 Contra Costa Pinole, Pinole Valley Rd. 100 Yds. E of the entrance to Wright Ave. Comment
  CAS-BOT-BC271223  Melica californica Mary L. Bowerman 1935-4-17 2829 Contra Costa North Road 2 miles from North Gate, Mount Diablo 237 Comment
  UC1132245  Melica californica C. M. Belshaw 1936-5-8 2051 Contra Costa 1.75 mi sse Mt. Diablo summit; Mt. Diablo Quad. 609 Comment
  CAS-BOT-BC271217  Melica californica Niall McCarten; V. I. Dains 1986-6-1 03251142 Contra Costa W. of Camino Diablo and Kellogg Creek Comment
  CAS-BOT-BC271221  Melica californica Mary L. Bowerman 1935-5-25 3070 Contra Costa South of the summit, east of the hairpin turn on road, Mount Diablo 1066 Comment
  UC1784152  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mount Diablo, on slope SE-E, along first west fork from Curry Creek trail Comment
  UC691219  Melica imperfecta Mary L. Bowerman 1932-4-27 1383 Contra Costa canyon w Riggs Canyon (s-face Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC692464  Melica imperfecta Mary L. Bowerman 1931-4-18 714 Contra Costa Sycamore Canyon; Mount Diablo 335 Comment
  POM257058  Melica imperfecta var. refracta Virginia Long 1933-6-14 221 a Contra Costa Mt. Diablo. On slope SE-E along first west fork from Curry Creek Trail. Comment
  CAS-BOT-BC262510  Melica torreyana Mary L. Bowerman 1935-5-25 3071 Contra Costa Mount Diablo. Meridian Peak south of the summit (east of the hairpin turn on road) 1066 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
  JEPS97557  Melica torreyana R. D. Stone 1980-7-13 270 Contra Costa Huckleberry TrailNE of intersection of Skyline Blvd. and Snake Rd. Oakland Hills, near Alameda-Contra Costa county line 396 Comment
  RSA295077  Melica torreyana Robert A. Norris, John L. Inase 1981-4-25 4143 Contra Costa Alongside Abrigo Valley trail, west part of Briones Regional Park (ca. 3 miles NNW Lafayette). 220 Comment
  UC53661  Melica torreyana J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UC691175  Melica torreyana Mary L. Bowerman 1935-5-22 3044 Contra Costa canyon at n end which heads into saddle w of Twin Peaks Eagle Pt Ridge; Mt. Diablo 350 Comment
  UC1950128  Melica torreyana Barbara Ertter with John Little 1989-4-2 8111 Contra Costa Hillside Park in El Cerrito, on steep W-facing slope Comment
  UC692281  Melilotus indicus Mary L. Bowerman 1932-5-6 1418 Contra Costa Mitchell Canyon floor Mount Diablo (roadside) 213 Comment
  OBI13670  Melissa officinalis G. Thomas Robbins 1959-8-1 4115 Contra Costa Las Trampas Crk, about 1.5 mi SE of St. Marys College 183 Comment
  UC691474  Mentha spicata Mary L. Bowerman 1938-11-19 3733 Contra Costa Mitchell Canyon Mount Diablo (by stream); , Mitchell Canyon 228 Comment
  UC1789155  Mentha suaveolens Barbara Ertter 1999-9-19 16847 Contra Costa bank of Cerrito Creek at west end of Creekside Park, El Cerrito; local colony, flowers pale pink. Comment
  OBI72118  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass 366 Comment
  JEPS42758  Mentzelia dispersa W. L. Jepson 1921-5-22 9202 Contra Costa Mt. Diablo 914 Comment
  JEPS99553  Mentzelia dispersa Mary L. Bowerman 1978-5-26 Contra Costa Mount Diablo. Between lower summit parking lot and road. Comment
  UC692698  Mentzelia dispersa Mary L. Bowerman 1930-6-10 305 Contra Costa Mount Diablo, Summit Comment
  POM300650  Mentzelia micrantha Mary L. Bowerman 1933-5-2 1952 Contra Costa Below Pioneer Camp and slightly east: Chaparral-burn, south face. 762 Comment
  SEINET3840809  Mesembryanthemum nodiflorum Unknown 2006-7-14 6 .327 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  RSA184979  Micropus californicus L. S. Rose 1966-4-22 66031 Contra Costa Donner Canyon, north slope of Mount Diablo, south of Clayton 213 Comment
  CAS-BOT-BC348789  Microseris campestris Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10581 Contra Costa Flats 3.0 miles s. of Byron Comment
  SJSU10601  Microseris douglasii C. O. Dudley 1966-5-8 Contra Costa Briones Hills, Reliez Valley, Lafayette 152 Comment
  JEPS36137  Microseris douglasii subsp. douglasii R. F. Hoover 1937-5-14 2109 Contra Costa Franklin Creek Valley Comment
  JEPS36178  Microseris douglasii subsp. douglasii W. L. Jepson 1918-6-3 7591 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS36211  Microseris douglasii subsp. douglasii W. L. Jepson 1923-4-22 9881 Contra Costa Mt. Diablo Comment
  UC1070040  Microseris douglasii subsp. douglasii C. M. Belshaw 1936-5-11 2094 Contra Costa 2 mi ene Danville; Mt. Diablo Quad. 243 Comment
  POM301040  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2012 Contra Costa Fossil Ridge near crest, on north side by side road, Mount Diablo Comment
  JEPS35603  Microseris douglasii subsp. tenella R. F. Hoover 1939-4-25 4062 Contra Costa Richmond hills Richmond Comment
  CAS-BOT-BC349167  Microseris elegans K. L. Chambers 1953-4-25 448 Contra Costa Balfour Road, ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road (Deer Valley Road). Foothills on east side of Mount Diablo Range Comment
  POM301001  Microseris heterocarpa Mary L. Bowerman 1935-4-19 2849 Contra Costa Mount Diablo: West road 3.5 miles from entrance Comment
  CAS-BOT-BC322770  Microseris sylvatica T. S. Brandegee 1884-5-1 s.n. Contra Costa Antioch Comment
  UC691442  Microseris sylvatica Mary L. Bowerman 1931-5-2 790 Contra Costa foot of Eagle Point ridge Mount Diablo Comment
  JEPS116945  Microseris sylvatica David Gowen 2008-4-16 861 Contra Costa West end of Horse Valley. Comment
  UC2028127  Microseris sylvatica Barbara Ertter with Richard K. Brummitt 1998-5-6 16081 Contra Costa Base of Mitchell Rock Trail on north base of Mount Diablo. Comment
  UCSB5226  Microsteris gracilis Kamb, Peter 1950-3-18 Contra Costa Head of Pine Canyon; Mount Diablo 533 Comment
  UC1051312  Mimulus aurantiacus N. Floy Bracelin 1941-6-22 1415 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  HSC90665  Mimulus aurantiacus var. aurantiacus D. M. Thompson 1992-6-3 1107 Contra Costa SW base of Mt. Diablo, E of Danville. 2.6 mi. NE of Blackhawk and Diablo Rds. along Mt. Diablo Scenic Blvd. and South Gate Rd. 378 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
  JEPS11549  Mimulus grandis W. L. Jepson 1922-5-15 9640 Contra Costa North Berkeley Hills 182 Comment
  UC691504  Mimulus grandis Mary L. Bowerman 1933-5-2 1964 Contra Costa below and w Pioneer Camp; Mount Diablo Comment
  UC125132  Mimulus latidens Katharine Brandegee 1907-5-5 Contra Costa between Antioch and Marsh Creek Comment
  UCD32387  Mimulus latidens Beecher Crampton 1950-4-22 531 Contra Costa 2 miles south of Antioch, on road from Antioch to Lone Tree Valley, in shallow depression along roadside. 60 Comment
  UC26995  Mimulus nasutus J. Burtt Davy 1893-5-13 214 Contra Costa Claremont Canyon to Fish Ranch fide fieldbook Comment
  UC465577  Minuartia californica Chesnut and Drew 1889-4-16 Contra Costa Martinez Comment
  UC1125779  Minuartia douglasii C. M. Belshaw 1936-5-8 2062 Contra Costa Mt. Diablo Mt. Diablo Quadrangle (se slope, Plot 5) Comment
  RSA59589  Minuartia douglasii Verne Grant, Alva Grant 1950-5-13 8897 Contra Costa Saddle between N & Meridian peaks, Mt. Diablo. Comment
  UC1818898  Minuartia pusilla Barbara Ertter, Mary Bowerman et al. 1995-5-7 14064 Contra Costa Three-Springs Trail on NE side of Mount Diablo SE of Clayton, small serpentine patch at road junction Comment
  UCD102392  Moehringia macrophylla Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Bald Ridge Trail. Bald Ridge. 890 Comment
  UC691414  Monardella douglasii Mary L. Bowerman 1935-6-1 3106 Contra Costa second small ridge e Mitchell-Pine divide (bottom of s face); Mount Diablo 975 Comment
  CAS-BOT-BC327803  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Mt. Diablo, Muir Area, SW slope E of the rocks. Comment
  UC691681  Monolopia gracilens Mary L. Bowerman 1932-4-16 1339 Contra Costa Eagle Point ridge s 1682 point; Mount Diablo Comment
  CAS-BOT-BC349619  Monolopia major C. F. Baker 1903-4-27 2796 Contra Costa Byron Comment
  CHSC23335  Monolopia major Willis Ball 1975-3-2 474 Contra Costa Contra Loma Regional Park. In area #2. On s side of hill ca. 50 yds ne of single restroom at sw end of lake. Approximately half way up the hill. 53 Comment
  UC618925  Monolopia major R. F. Hoover 1935-3-10 311 Contra Costa Kirker Pass Comment
  CAS-BOT-BC349615  Monolopia major Dr. A. Kellogg; W. G. W. Harford 1969-4-8 508 Contra Costa Antioch Comment
  CAS-BOT-BC444824  Montia fontana Joseph Andorfer Ewan 1935-2-3 9083 Contra Costa Wildcat Creek 2 1/2 mi. below Orinda road bridge. Comment
  UC3794  Muilla maritima Harley P. Chandler 1901-3-21 863 Contra Costa Concord Region of San Francisco Bay Comment
  CAS-BOT-BC83288  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83291  Myosurus minimus Herbert L. Mason 1952-4-26 14268 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83296  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10585 Contra Costa 3.0 miles south of Byron. 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
  UC407383  Myosurus minimus Ira L. Wiggins 1930-4-17 4580 Contra Costa 1/4 mi s Byron Comment
  HSC104396  Myriophyllum exalbescens M. R. Bell 1950-10-9 Contra Costa Near Concord, from stock pond on farm of E.J. Mangini Comment
  RSA755539  Najas guadalupensis Barbara Ertter, Brad Olson 1991-9-28 10838 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC2028254  Narcissus Barbara Ertter with Gary Schoolcraft 1996-4-7 14581 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge, coastal prairie and brushland on bluff Comment
  CDA28809  Nassella cernua D. G. Kelch, Jessica Kolman 2009-5-3 9 .315 Contra Costa Carquinez Strait; Crockett; on hill south of 5th St. with transmission tower on sandstone outcrop. Comment
  UC1133134  Nassella cernua C. M. Belshaw 1936-5-9 2083 Contra Costa 1/2 mi n Nortonville (Plot 14); Mt. Diablo Comment
  UC691272  Nassella lepida Mary L. Bowerman 1935-5-8 2976 Contra Costa spur below Pioneer Camp; Mount Diablo 731 Comment
  UC692413  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa canyon w Riggs Canyon (w exposure, s face of mt); Mount Diablo, Oyster Ridge 335 Comment
  CAS-BOT-BC259901  Nassella lepida Mary L. Bowerman 1935-6-8 3125 Contra Costa Mount Diablo. West road 2 miles from entrance, gully W of chapparal Comment
  CAS-BOT-BC260128  Nassella pulchra Mary L. Bowerman 1935-4-26 2902 Contra Costa Mount Diablo. W of Indian Ceremonial Spring 1021 Comment
  JEPS73768  Nassella pulchra R. F. Hoover 1936-3-19 807 Contra Costa Byron Hot Springs Comment
  SBBG730  Nassella pulchra A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  UCD36922  Nassella pulchra Beecher Crampton 1956-5-14 3403 Contra Costa Southeastern Mount Diablo, headwaters of Marsh Creek. 640 Comment
  CAS-BOT-BC260132  Nassella pulchra L. R. Abrams 1921-5-25 8043 Contra Costa At spring 4.5 miles from Summit Mount Diablo Comment
  UC30207  Navarretia cotulifolia W. H. Brewer 1862-5-19 1110 Contra Costa n of Kirker's Pass Comment
  JEPS105726  Navarretia gowenii David Gowen 2004-5-11 59 Contra Costa Lime Ridge Open Space. Summit area just south of the antenna facility. Comment
  SEINET10811232 Image available Navarretia gowenii D. Gowen 2005-5-25 Gowen 390 Contra Costa Lime Ridge Open Space on N. side. Just SE of one of the quarries. Clay soil. 183 Comment
  JEPS105707  Navarretia heterandra David Gowen 2004-5-14 60 Contra Costa Mt. Diablo. North of the road at Curry Point, ca. 1780 ft. elev. Comment
  UC52780  Navarretia mellita J. Burtt Davy 1895-1 Contra Costa Moraga Pass Oakland Hills, Moraga Pass Comment
  UCD48584  Navarretia mellita H. L. Mason 1945-6-12 12588 Contra Costa Ridge south east of Mount Diablo near summit of road up Marsh Creek, Contra Costa County, California. Comment
  JEPS116940  Navarretia nigelliformis subsp. radians David Gowen 2008-4-21 867 Contra Costa South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve. Comment
  UC2042983  Navarretia pubescens Barbara Ertter with Dan Norris 1998-6-18 16216 Contra Costa Rock City area on south side of Mount Diablo, trail to Artist Point Comment
  UC691643  Navarretia pubescens Mary L. Bowerman 1930-6-5 259 Contra Costa 5.8 mi from West Road (= North Rd) entrance; Mount Diablo 457 Comment
  UCR197889  Navarretia squarrosa Beecher Crampton 1949-6-26 474 Contra Costa Between Pinole and San Pablo, along US Hwy 40 [80], above Garrity Creek 30 Comment
  JEPS103662  Navarretia viscidula David Gowen 2003-7-9 Contra Costa Lime Ridge Open Space, grassy areas at N end 188 Comment
  CDA1155  Nemophila heterophylla D. G. Kelch, Andrew Murdock 2003-3-21 3 .056 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  JEPS75500  Nemophila heterophylla P. F. Yorks 1974-4-6 128 Contra Costa on Hampton Road in Hampton Road Natural Reserve ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 180 Comment
  PASA2110  Nemophila heterophylla Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  UC24164  Nemophila heterophylla J. Burtt Davy 1895-4-7 907 Contra Costa Antioch Comment
  UC24180  Nemophila heterophylla Jos. Burtt Davy 1901-4-21 6922 Contra Costa Wildcat Canyon Comment
  UC606926  Nemophila heterophylla L. Constance, J. L. Morrison 1938-5-5 2190 Contra Costa above Deer Flat (near head of Mitchell Canyon, nw slope of Mount Diablo); nw slope Mount Diablo, nr head Mitchell Canyon 670 Comment
  UC67125  Nemophila heterophylla Harley P. Chandler 1901-4-5 948 Contra Costa Pine Canyon , Pine Canyon (Mt. Diablo) Comment
  OBI48658  Nemophila heterophylla Lewis S. Rose 1940-4-11 40179 Contra Costa March Crk, 6 mi E of Clayton Comment
  POM204479  Nemophila heterophylla J. T. Howell 1933-5-14 11218 Contra Costa Hills east of St. Mary s college Comment
  UC67128  Nemophila heterophylla Harley P. Chandler 1900-3-23 580 Contra Costa Briones Valley , Briones Valley (Region of San Francisco Bay) 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
  SEINET5521034  Nemophila menziesii var. intermedia P. Del Monte 1976-3-28 s.n. Contra Costa Morgan territory road, 1 mile north of Curry Creek Park 122 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
  CAS-BOT-BC515974  Nemophila parviflora var. parviflora Barrett Anderson 1987-4-30 3498 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  UC691708  Nemophila pedunculata Mary L. Bowerman 1932-3-27 1139 Contra Costa below Mitchell Rock (Mount Diablo); , below Mitchell Rock Comment
  UC691711  Nemophila pedunculata Mary L. Bowerman 1933-4-9 1831 Contra Costa Donner Canyon Mount Diablo, , w fork (w fork, Mount Diablo) 243 Comment
  UC767551  Nemophila pedunculata R. F. Hoover 1938-3-5 2816 Contra Costa mouth of Kirker Creek Canyon Comment
  CDA22540  Nicotiana acuminata var. multiflora Slattergren 2008-7-22 PDR# 1373540 Contra Costa Walnut Creek, 1575 North Gate Rd. 0 Comment
  UCD164893  Nicotiana glauca Henry House 1995-4-30 1995- 2 Contra Costa About 1.25 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC1050835  Nicotiana sylvestris N. Floy Bracelin 1941-5-25 1335 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC691632  Nuttallanthus texanus Mary L. Bowerman 1938-6-2 3653 Contra Costa Mount Diablo, Dan Cook Canyon, 100 yards n of camp (C.C.C.) Dan Cook Canyon; Mount Diablo, Dan Cook Canyon Comment
  JEPS112074  Oemleria cerasiformis D. G. Kelch 2003-2-7 03 .35 Contra Costa Sky Ranch. Dutra Road path ~700-1000 ft. 250 Comment
  JEPS112083  Oemleria cerasiformis D. G. Kelch 2004-3-12 04 .21 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 130 Comment
  JEPS44838  Oemleria cerasiformis H. H. Haworth 1917-4-22 Contra Costa Orinda Park Comment
  UC691103  Oemleria cerasiformis Mary L. Bowerman 1933-4-22 1887 Contra Costa Curry Cave Point trail; Mount Diablo 396 Comment
  UC691108  Oemleria cerasiformis Mary L. Bowerman 1931-5-21 891 Contra Costa Curry Cave Point trail Mount Diablo (just above stream bed on w side) Comment
  CDA38496  Oenanthe sarmentosa D. G. Kelch 2003-8-13 3 .1 Contra Costa Carquinez Strait Region; Martinez Marsh. 0 Comment
  CDA38497  Oenanthe sarmentosa D. G. Kelch 2003-8-13 3 .1 Contra Costa Carquinez Strait Region; Martinez Marsh. 0 Comment
  CDA38155  Oenothera deltoides subsp. cognata F. J. Brucato 1962-5-2 s.n. Contra Costa Knightsen; Sunset and Eden Plains Rd. 0 Comment
  CAS-BOT-BC171588  Oenothera deltoides subsp. howellii J. H. Thomas 1953-4-25 3004 Contra Costa Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge Comment
  JEPS716  Oenothera deltoides subsp. howellii W. L. Jepson 1945-10-28 27570 Contra Costa Antioch Sand Hills Comment
  UC971924  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 Contra Costa one mi e Antioch (in sand dunes close to w margin of river near its mouth); San Joaquin River 30 Comment
  RSA119390  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 441 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  RSA273285  Oenothera deltoides subsp. howellii Glenn A. Gorelick 1967-5-2 s.n. Contra Costa 1.5 miles east of Antioch Comment
  JEPS10855  Orobanche fasciculata W. L. Jepson 1918-6-5 7618 Contra Costa Mount Diablo. North peak. Comment
  UC887954  Orobanche fasciculata Lewis S. Rose 1941-5-15 41243 Contra Costa Mt. Diablo, near summit. Comment
  CAS-BOT-BC499852  Orobanche fasciculata W. L. Jepson 1918-6-5 7618 Contra Costa Mt. Diablo (north peak) 1066 Comment
  JEPS82723  Orobanche vallicola Wayne Roderick 1981-10-2 Contra Costa s. entrance area Briones Regional Park 152 Comment
  CAS-BOT-BC238373  Orthocarpus James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  POM15364  Orthocarpus erianthus C. F. Baker 1903-4-27 2792 Contra Costa Byron. Comment
  POM181461  Orthocarpus erianthus I. L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi. S. of Byron. Comment
  POM15657  Orthocarpus purpurascens C. F. Baker 1903-4-27 2794 Contra Costa Byron. Comment
  PASA163  Orthocarpus pusillus Frank W. Peirson 1926-4-10 Contra Costa Road from Pablo to Pinole Comment
  UC1094580  Osmorhiza berteroi C. R. Bell 1953-3-27 1407 Contra Costa Berkeley, U.C. campus Comment
  POM301013  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Junction of roads: Shady Canyon 671 Comment
  CDA28455  Oxalis carnosa G. D. Barbe 1976-3-25 2117 Contra Costa International Succulent Institute, 10 Corte Sombrita, between Moraga and Orinda. 0 Comment
  CDA28456  Oxalis carnosa G. D. Barbe 1976-3-25 2117 Contra Costa International Succulent Institute, 10 Corte Sombrita, between Moraga and Orinda. 0 Comment
  UC2029047  Oxalis pes-caprae Barbara Ertter with Linda Vorobik 2000-1-9 16891 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville, edge of woodland behind Eugene O'Neill house. Comment
  UC1795761  Panicum capillare Barbara Ertter, Lincoln Constance 1995-6-16 14262 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UC2028447  Panicum capillare Barbara Ertter with Chris Thayer 1996-10-25 15379 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below junction, near Mineral Spring Comment
  UCD32992  Panicum dichotomiflorum Beecher Crampton 1965-9-29 7525 Contra Costa 5 miles S of Brentwood, Vasco Road and Camino Vaqueros. Comment
  JEPS103101  Papaver californicum Mary L. Bowerman 1978-5-14 Contra Costa E face of Eagle Peak, ravine toward Twin Peaks from Back Creek Mount Diablo Comment
  HSC94231  Papaver heterophyllum C. Newberry 1994-4-30 7247 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  SEINET183704  Papaver heterophyllum L. Constance 1938-4-5 2193 Contra Costa NW base of Mount Diablo, 6 miles SE of Walnut Creek, Coast Ranges. Comment
  UCD96018  Papaver heterophyllum Cliff Low 1978-5-19 16 Contra Costa Back Canyon Creek, east of Eagle Peak on Mount Diablo. 304 Comment
  CHSC84570  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
  JEPS79630  Parvisedum pentandrum Edward Lee 1979-5-6 Contra Costa Mount Diablo, Lower Mitchell Canyon Lower Mitchell Canyon; Mount Diablo, Lower Mitchell Canyon Comment
  CAS-BOT-BC259648  Paspalum dilatatum R. E. Frenkel 1963-5-15 189 Contra Costa E side of Marsh Creek Road 2 miles E of Clayton Comment
  UCD84177  Paspalum distichum Chuck Hughes 2009-10-2 136 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 179 Comment
  UC573135  Pectocarya penicillata H. L. Mason 1932-3-20 6845 Contra Costa Antioch sand hills Comment
  UC573059  Pectocarya pusilla H. L. Mason 1929-4-25 5210 Contra Costa Briones Rd to Antioch Comment
  JEPS84382  Pedicularis densiflora Roxanne Bittman 1977-3-29 27 Contra Costa on n si9de of Mount Diablo Scenic Road about 10 mi from base of mountain Mount Diablo Scenic Road 762 Comment
  UC27313  Pedicularis densiflora W. L. Jepson Contra Costa Mount Diablo Comment
  RSA123949  Pedicularis densiflora E. F. Sprague 1957-5-30 1134 Contra Costa Rocky Point, Mount Diablo. 610 Comment
  UCD123333  Pedicularis densiflora Collector unknown 1932-2-1 Contra Costa Mt. Diablo. 609 Comment
  UC692690  Pediomelum californicum Mary L. Bowerman 1935-6-1 3114 Contra Costa summit Mount Diablo Mount Diablo, summit (between the one-way roads) Comment
  UC75670  Pediomelum californicum Milo S. Baker 1904-6-24 Contra Costa Summit of Mt. Diablo Comment
  POM118165  Pediomelum californicum H. M. Hall, F. M. Essig, C. C. Hall 1916-5-31 10133 Contra Costa Summit of Mount Diablo. 1170 Comment
  CDA42756  Pellaea andromedifolia A. G. Murdock 2003-2-21 68 Contra Costa Carquinez Strait Region; Martinez; west border of Mt. Wanda property. Comment
  CDA42757  Pellaea andromedifolia A. G. Murdock 2004-4-3 247 Contra Costa Franklin Canyon - McHarry Ranch Road, near fire road entrance. Comment
  JEPS79489  Pellaea andromedifolia Edward Lee with Annetta Carter 1936-1-12 1708 Contra Costa canyon immediately s of Nortonville Comment
  RSA0068497  Pellaea andromedifolia Katie Gallagher, Nick Jensen 2014-4-26 177 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  SD108312  Penstemon centranthifolius Robert Doyle 1980-9-14 3879 Contra Costa quarry on Lime Ridge, north end, south of Ygnacio Valley Road between Walnut Creek and Concord Comment
  UC1050060  Penstemon cordifolius N. Floy Bracelin 1941-7-13 1491 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC691800  Pentachaeta alsinoides Mary L. Bowerman 1933-3-18 1753 Contra Costa Meridian Peak Mount Diablo (a little e of the meridian) Comment
  UC691803  Pentachaeta alsinoides Mary L. Bowerman 1935-5-1 2938 Contra Costa west road 2 mi from entrance (across the creek); Mount Diablo 182 Comment
  UC831505  Pentachaeta alsinoides Lewis S. Rose 1940-4-30 40251 Contra Costa 5 mi e Clayton; Marsh Creek 60 Comment
  CAS-BOT-BC330456  Pentachaeta alsinoides M. K. Curran 1883-5-1 s.n. Contra Costa Foothills of Mount Diablo Comment
  UC2027918  Pentachaeta alsinoides Barbara Ertter, Dan Norris 2001-4-8 17581 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  UC672242  Pentachaeta alsinoides Herbert L. Mason 1932-4-15 6925 Contra Costa summit road from Moraga to Lafayette Comment
  UC697210  Pentachaeta exilis Mary L. Bowerman 1935-5-8 2981 Contra Costa first main ridge e Pioneer Camp; Mount Diablo 762 Comment
  UC697213  Pentachaeta exilis Mary L. Bowerman 1933-5-10 2062 Contra Costa ridge at e end and s of Meridian Flat; Mount Diablo 822 Comment
  JEPS112050  Pentagramma triangularis subsp. triangularis D. G. Kelch 2004-3-12 04 .22 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County, CA 130 Comment
  UC1354307  Perideridia californica T. I. Chuang, L. R. Heckard and R. Bacigalupi 1968-4-27 6437 Contra Costa Deer Flat Mt. Diablo Comment
  JEPS111618  Perideridia kelloggii D. G. Kelch 2004-7-9 04 .296 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. East of Crockett West of Bull Valley SA 60 Comment
  UC1584690  Perideridia kelloggii Jerry Powell 1987-7-14 1507 Contra Costa Point Molate Beach Comment
  UC1390000  Perideridia oregana T. I. Chuang, L. Constance, R. S. Mitchell, and S. Banwar 1965-7-23 6009 Contra Costa just below Live Oak Picnic Area; Mount Diablo 487 Comment
  CAS-BOT-BC413495  Persicaria amphibia Mary L. Bowerman 1935-7-22 3185 Contra Costa Mount Diablo. Hidden Pond 518 Comment
  CAS-BOT-BC413499  Persicaria amphibia Walter Knight; I. Knight; J. T. Howell; et al 1978-9-5 3246 Contra Costa Brown's Island. Crooked Slough Comment
  CAS-BOT-BC418832  Persicaria hydropiperoides Brian Atwater 1978-10-24 BA- 165 Contra Costa Between Bethel Island and Holland Tract Comment
  CAS-BOT-BC413779  Persicaria lapathifolia Walter Knight 1977-7-15 s.n. Contra Costa At reservoir's edge, golf course, Antioch. Lone Tree Road 30 Comment
  CAS-BOT-BC419325  Persicaria punctata Walter Knight; Joanne Dean 1978-8-14 3179 Contra Costa Browns Island Comment
  JEPS112707  Phacelia breweri Dean W. Taylor 1994-3-30 14114 Contra Costa Mt. Diablo (in Mt. Diablo State Park); Juniper Camp, on west slope of Moses Rock Ridge; along fire road that begins at NW end of campground, about 125 m NW of the gate 883 Comment
  UC107330  Phacelia breweri Katharine Curran May 1883 Contra Costa Mt. Diablo Comment
  UC604429  Phacelia breweri H. L. Mason 1938-5-3 11750 Contra Costa trail between Juniper Camp and Deer Flat; Mount Diablo 990 Comment
  UCD120274  Phacelia breweri P. B. K. 1916-5-1 s.n. Contra Costa Mt. Diablo. Comment
  JEPS2225  Phacelia californica W. L. Jepson 1896-5-31 21044 Contra Costa Gum Grove Reservoir to Wild Cat Creek; Berkeley Hills Comment
  JEPS2232  Phacelia californica W. L. Jepson 1892-3-19 21043 Contra Costa Portreo Hills Comment
  UC1228237  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg (steep hillside in roadcut) Comment
  UC672385  Phacelia californica Herbert L. Mason 1928-4-13 4300 Contra Costa cliffs facing Bay Richmond Comment
  UC901820  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg Comment
  POM298633  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa Margin of San Francisco Bay, Point Richmond. 15 Comment
  SEINET3158089  Phacelia ciliata L. S. Rose 1937-3-26 37013 Contra Costa Brentwood 6 Comment
  JEPS18382  Phacelia ciliata var. ciliata Rimo Bacigalupi with F. Chisaki 1957-3-27 5762 Contra Costa at jnct. of Lone Tree Way and Hillcrest Ave. (road) (about 1/2 mi w of Lone Tree School, 3 1/2 mi se of Antioch) 39 Comment
  JEPS68958  Phacelia ciliata var. ciliata Edward Lee 1935-3-10 1290 Contra Costa Kirker Pass, Donovan Road, west watershed of Kirker's Creek Kirker Pass; , Donovan Road Comment
  UC75117  Phacelia ciliata var. ciliata C. F. Baker 1903-4-26 2904 Contra Costa Byron Comment
  JEPS111838  Phacelia distans D. G. Kelch 2003-4-3 03 .359 Contra Costa Cummings Skyway 115 Comment
  SEINET3558890 Image available Phacelia distans Lewis S. Rose 1931-5-14 T 19 Contra Costa Mount Diablo. Comment
  UC107374  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC107401  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC24341  Phacelia distans J. Burtt Davy 1895-4-7 917 Contra Costa Antioch Comment
  POM65421  Phacelia distans C. F. Baker 1903-4-28 2806 Contra Costa Antioch Comment
  UC24350  Phacelia divaricata W. H. Brewer 1862-5-7 1057 Contra Costa summit Monte Diablo Comment
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Sep 7 2009
  UC35545  Phacelia divaricata F. P. McLean 1800-1 Contra Costa Mt. Diablo Comment
  UC691703  Phacelia divaricata Mary L. Bowerman 1935-4-26 2897 Contra Costa w Indian Ceremonial Spring (hillside); Mount Diablo 1021 Comment
  JEPS108316  Phacelia imbricata David Gowen 2005-5-28 393 Contra Costa Mt. Diablo State Park. Just east of Prospectors Gap on dirt road. Comment
  UC107571  Phacelia imbricata subsp. imbricata K. Brandegee June 1883 Contra Costa Antioch Comment
  UC691694  Phacelia nemoralis subsp. nemoralis Mary L. Bowerman 1936-5-6 3410 Contra Costa Mitchell Canyon Mount Diablo (by road) 228 Comment
  CAS-BOT-BC154326  Phacelia phacelioides H. M. Hall; F. M. Essig 1916-5-31 10135 Contra Costa Mount Diablo 1140 Comment
  JEPS1103  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Mount Diablo, Muir Area Mount Diablo; , Muir Area 1005 Comment
  POM300985  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Muir Area. 1006 Comment
  UC2028313  Phacelia phacelioides Barbara Ertter, Susan D'Alcamo 1998-6-12 16163 Contra Costa North Peak Trail from Devil's Elbow on SE side of Mount Diablo summit. Comment
  UC691717  Phacelia rattanii Mary L. Bowerman 1933-6-21 2331 a Contra Costa Donner Canyon Mount Diablo (by stream) Comment
  CDA31462  Phacelia tanacetifolia D. G. Kelch 2006-5-27 6 .219 Contra Costa Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge. Comment
  UC691700  Phacelia tanacetifolia Mary L. Bowerman 1936-4-23 3404 Contra Costa w Deer Flat trail (just w of section line); Mount Diablo, Deer Ridge (Mitchell-Pine divide) 838 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
  UC50715  Phalaris brachystachys Jos. Burtt Davy 1900-6-1 6655 Contra Costa Pinole Creek Valley Comment
  UC50726  Phalaris californica Jos. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UC768492  Phalaris minor R. F. Hoover 1937-5-14 2108 Contra Costa Franklin Creek Valley Comment
  UCD89060  Phalaris minor Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CDA15270  Phalaris paradoxa G. F. Hrusa, D. Crowe 1998-5-8 14401 Contra Costa Sacramento Delta; Open sites near cyclone fence-line surrounding disturbed grasslands at E end of Dow Chemical property. Uncommon here. Comment
  UCD146719  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14368 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 15 Comment
  UC963765  Phlox gracilis Herbert L. Mason 1926-3-7 2703 Contra Costa via Walnut Creek to summit to Danville to Niles Canyon; Mt. Diablo Comment
  UC691715  Pholistoma auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Sycamore Canyon Mt. Diablo, Sycamore Canyon 350 Comment
  UC691716  Pholistoma auritum Mary L. Bowerman 1932-2-13 1089 Contra Costa just above first main fork Alamo Canyon; Mt. Diablo, Alamo Canyon 381 Comment
  PASA2099  Pholistoma membranaceum Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  UCD120958  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  CAS-BOT-BC141123  Phoradendron serotinum subsp. macrophyllum Mary L. Bowerman 1931-2-22 520 Contra Costa Mount Diablo. Sycamore Canyon, head of E fork Comment
  UC692036  Phoradendron villosum Mary L. Bowerman 1930-6-22 358 Contra Costa on flat above Mitchell Canyon (Mount Diablo); Mount Diablo Comment
  UC692037  Phoradendron villosum Mary L. Bowerman 1932-10-22 1636 Contra Costa flats at base of North Peak Mt. Diablo (rd. to Quicksilver Mine) Comment
  CAS-BOT-BC260891  Phragmites australis J. W. Congdon 1893-7-29 s.n. Contra Costa Martinez Comment
  CDA9279  Phragmites australis D. G. Kelch 2002-7-15 2 .007 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  UC1949170  Phyla nodiflora var. nodiflora Barbara Ertter 1990-9-10 9634 Contra Costa Briones Regional Park, Briones hills S of Martinez, dried margin of Maricich Lagoon at junction of Alhambra Creek Trail and Old Briones Road Comment
  JEPS55997  Pickeringia montana L. R. Heckard and R. Bacigalupi 1968-6-27 Contra Costa n.e. Deer Flat (Bald Ridge, Mt. Diablo); Mt. Diablo, Bald Ridge 670 Comment
  UC1129854  Pickeringia montana var. montana R. W. Lundh 1932-8-27 149 Contra Costa 1 1/2 mi w Cave Point; Mt. Diablo Quadrangle 487 Comment
  UC692672  Pickeringia montana var. montana Mary L. Bowerman 1933-2-4 1690 Contra Costa flat e Mt. Diablo-North Peak divide; Mount Diablo 822 Comment
  UCD50248  Pinus attenuata Howard Ferris 2004-8-18 s.n. Contra Costa Flicker Ridge, Contra Costa County. 318 Comment
  CAS-BOT-BC78443  Pinus contorta subsp. murrayana H. M. Hall; H. P. Chandler 1900-7-1 730 Contra Costa South Fork of San Joaquin River Comment
  JEPS46810  Pinus coulteri W. L. Jepson 1931-4-5 15726 Contra Costa Nortonville Comment
  POM287316  Pinus coulteri Lyman Benson 1935-3-16 6280 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC1051353  Pinus coulteri N. Floy Bracelin 1941-12-29 1835 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1134077  Pinus coulteri R. C. Wilson 1935-2-26 101 Contra Costa 1 mi sw Nortonville; Mt. Diablo Quadrangle Comment
  UC1061678  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC907503  Pinus pinea Walter S. Malloch 1950-6-21 Contra Costa Lakewood subdivision Walnut Creek Comment
  JEPS111990  Pinus radiata D. G. Kelch 2005-4-24 05 .176 Contra Costa Franklin Canyon. Collier Hill. West Carbon 16 Comment
  JEPS46901  Pinus sabiniana W. L. Jepson 1907-4-27 2648 a Contra Costa saddle at e head Mitchell Canyon; Mt. Diablo, Mitchell Canyon Comment
  UC400311  Pinus sabiniana State Survey 1866-5-1 Contra Costa Monte del Diablo Comment
  CAS-BOT-BC72776  Pinus sabiniana Mary L. Bowerman 1933-5-10 2070 Contra Costa Mount Diablo, one hundred feet below Muir Area. Comment
  UC1818972  Piperia michaelii Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 14536 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, in woods above ranch, north-facing slope. Comment
  UC2032806 Image available Pittosporum crassifolium Doran, Andrew Scott 2012-3-20 676 Contra Costa Brooks island loading dock, North side of island. Comment
  UC1614071  Plagiobothrys Charles M. Belshaw 1935-6-24 780 Contra Costa 1/2 mi e of Grizzly Peak (n face of Bald Peak); Bald Peak Comment
  JEPS25356  Plagiobothrys acanthocarpus Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6966 Contra Costa 1 mi se Byron (fields e of Byron rd) 6 Comment
  SBBG28847  Plagiobothrys bracteatus J. T. Howell 1933-5-14 11232 Contra Costa St Mary's College Comment
  UC573067  Plagiobothrys bracteatus H. L. Mason 1928-4-15 4343 Contra Costa top Moraga Ridge Comment
  UC691334  Plagiobothrys bracteatus Mary L. Bowerman 1933-3-18 1755 Contra Costa Hidden Pond Mount Diablo Comment
  UC79430  Plagiobothrys bracteatus Katharine Brandegee May, 1884 Contra Costa Antioch Comment
  SEINET12343274  Plagiobothrys bracteatus Ottley 1920-4-25 448 Contra Costa entrance to Mitchell Canon, Mt. Diablo 198 Comment
  POM204086  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  UC2028130  Plagiobothrys canescens Barbara Ertter 1998-5-3 16079 Contra Costa Wall Point Road and Emmons Canyon Road, southwest flank of Mount Diablo. Comment
  JEPS111828  Plagiobothrys fulvus D. G. Kelch 2005-4-24 05 .172 Contra Costa Franklin Canyon Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon 60 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
  CHSC67185  Plagiobothrys humistratus James D. Jokerst 1991-3-28 3228 Contra Costa Kellogg Watershed Inundation Zone at enclosure at 'The Windmills,' N of Livermore. Comment
  UC78156 Image available Plagiobothrys humistratus M. K. Curran 1884-1 Contra Costa Antioch; ; Contra Costa Co. Comment
  CDA40675  Plagiobothrys humistratus Jim Jokerst 1989-3-28 3060 Contra Costa Northwest of junction of Byron Hot Springs Road and Armstrong Road. Northeast of Livermore. 0 Comment
  CDA40676  Plagiobothrys humistratus Jim Jokerst 1989-3-29 3066 Contra Costa 0.25 mile south of Byron Hot Springs, northeast of Livermore. 0 Comment
  JEPS111847  Plagiobothrys nothofulvus D. G. Kelch 2005-3-25 05 .86 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  JEPS65186  Plagiobothrys stipitatus var. micranthus L. R. Heckard 1971-4-15 2481 Contra Costa s Byron (at intersection of Holey Rd.) Comment
  UC573066  Plagiobothrys stipitatus var. stipitatus H. L. Mason 1929-3-31 5145 Contra Costa Briones Valley 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
  UC78181  Plagiobothrys trachycarpus K. Brandegee May 1892 Contra Costa Antioch Comment
  UC2028324  Plagiobothrys trachycarpus Barbara Ertter with Richard K. Brummitt 1998-5-13 16143 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, depression in road from Somersville Road to south leg of Loughler Loop Trail. Comment
  JEPS116832  Plagiobothrys undulatus David Gowen 2007-5-8 707 Contra Costa Briones Regional Park, in vernal depression northeast of Sindicich Lagoon. Comment
  JEPS116856  Plagiobothrys undulatus David Gowen 2007-4-16 674 Contra Costa Briones Regional Park on foot trail northwest of Maricich Lagoon. Comment
  CAS-BOT-BC6475  Plantago californica M. K. Curran 1883-1-1 s.n. Contra Costa Antioch Comment
  JEPS15287  Plantago elongata Rimo Bacigalupi with G. T. Robbins 1956-3-26 5525 Contra Costa 1.2 mi n Deer Valley Road junction with Marsh Creek Road (along Deer Valley Road, just n of Briones Valley) 76 Comment
  JEPS22973  Plantago elongata Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1959-4-14 7004 Contra Costa 8 mi s Antioch (just off Deer Valley Road, Briones Valley); Briones Valley 79 Comment
  JEPS24312  Plantago elongata S. G. Smith 1957-4-28 2851 Contra Costa 1 mi s Byron Comment
  UC1314969  Plantago elongata R. F. Hoover 1967-4-28 10516 Contra Costa Byron Hot Springs Comment
  RSA181409  Plantago erecta James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC691529  Plantago erecta Mary L. Bowerman 1931-3-21 599 Contra Costa e end Fossil Ridge (just above the creek); Mount Diablo Comment
  UC691531  Plantago erecta Mary L. Bowerman 1933-4-15 1848 Contra Costa s of Arroyo del Cerro; Mount Diablo Comment
  UC1950198  Plantago erecta Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8141 Contra Costa sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton Comment
  JEPS22022  Plantago lanceolata G. Thomas Robbins with S. Galen Smith 1958-6-2 3854 Contra Costa Just east of crossing of Hastings Slough on road between Port Chicago and Avon Comment
  JEPS87217  Plantago major Lauramay T. Dempster 1991-6-15 Contra Costa Orinda; 15 El Toyonal Comment
  UCD124520  Plantago major Malcolm A. Nobs; S. Galen Smith 1949-7-8 947 Contra Costa Otto's Black Bass Resort, 4 miles N of Kingston. Comment
  JEPS78614  Plantago subnuda Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3298 Contra Costa Botany Cove, Browns Island Comment
  SJSU7798  Plantago subnuda G. A. Samuelson 1955-5-22 Contra Costa McAvoy Boat Harbor, McAvoy Comment
  CAS-BOT-BC6458  Platystemon californicus Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  UC101595  Platystemon californicus Katharine Brandegee 1907-5-5 b Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC101597  Platystemon californicus Katharine Brandegee 1907-5-5 g Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  CAS-BOT-BC91599  Platystemon californicus Mary L. Bowerman 1932-3-23 1133 Contra Costa Mount Diablo. Overlooking Donner Canyon. 304 Comment
  CAS-BOT-BC91606  Platystemon californicus Alice Eastwood 1906-5-1 s.n. Contra Costa Berkeley. Comment
  UC101591  Platystemon californicus Katharine Brandegee 1907-5-5 h Contra Costa between Antioch and Marsh Creek (along a sandy road back of old Coal Mine); between Antioch and Marsh Creek Comment
  UC101596  Platystemon californicus Katharine Brandegee 1907-5-5 a Contra Costa between Antioch and Marsh Creek (along a sandy road back of the oldest coal mine); between Antioch and Marsh Creek Comment
  JEPS14517  Plectritis macrocera L. T. Dempster 1956-5-26 1002 Contra Costa above Overhill Court (Orinda); Orinda Comment
  JEPS75498  Plectritis macrocera P. F. Yorks 1975-4-10 379 Contra Costa 1.9 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve, n or Briones Reservoir Hampton Road Natural Reserve 200 Comment
  UC28872  Plectritis macrocera Jos. Burtt Davy 1901-4-21 Contra Costa Wildcat Canyon Comment
  UC691522  Plectritis macrocera Mary L. Bowerman 1931-3-29 621 a Contra Costa Mount Diablo, East Cave Point Ridge Mount Diablo; , East Cave Point Ridge Comment
  UCD90166  Pleuropogon californicus P. B. Kennedy 1929-4-21 s.n. Contra Costa near Concord, corner of Franklin Canyon Road, by Soldier's Monument. Comment
  JEPS111733  Pluchea odorata var. odorata D. G. Kelch 2004-9-2 04 .334 Contra Costa Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh 5 Comment
  JEPS78623  Pluchea odorata var. odorata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3284 Contra Costa Browns Island, Botany Cove Comment
  UC761988  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  SBBG44987  Poa annua A. Eastwood, J. T. Howell 1936-4-19 Contra Costa Antioch Comment
  UCD90342  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, at head of Horse Valley. Comment
  CAS-BOT-BC246643  Poa howellii Mary L. Bowerman 1933-5-22 2167 Contra Costa Mount Diablo. Inner Black Hills: West of 1970 Comment
  POM205468  Poa howellii Jos Burtt Davy 1899-4-19 7853 Contra Costa Las Trampas Creek Comment
  UCD91103  Poa howellii Beecher Crampton 1956-5-14 3396 Contra Costa along Marsh Creek, Morgan Territory, southeast of Mt. Diablo. Comment
  POM300628  Poa secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Alder Canyon 732 Comment
  POM301052  Poa secunda Mary L. Bowerman 1935-5-18 3031 Contra Costa Meridian Peak north of the summit parking area 1067 Comment
  CAS-BOT-BC236386  Poa secunda subsp. secunda Mary L. Bowerman 1933-4-15 1869 Contra Costa Mount Diablo. Canyon S of Arroyo del Cerro: Rocky knoll 250 feet below spring Comment
  CAS-BOT-BC236395  Poa secunda subsp. secunda D. E. Breedlove 1970-4-18 17551 Contra Costa At the N edge of Lafayette above Laurel Drive 243 Comment
  UC691176  Poa secunda subsp. secunda Mary L. Bowerman 1932-4-9 1323 Contra Costa s spur on meridian Inner Black Hills; Mt Diablo Comment
  SEINET7973850  Poa secunda var. secunda J. B. Davy 1899-4-19 7856 Contra Costa Las Trampas Creek Comment
  HSC14299  Pogogyne douglasii Leo Koch 1940-6-5 1002 Contra Costa Saline flat 2 mi. S of San Rafael ferry dock Comment
  POM126756  Pogogyne douglasii V. King Chesnut 1887-9-10 s.n. Contra Costa Mt. Diablo Comment
  UC971696  Pogogyne douglasii Leo Koch 1940-6-5 1002 Contra Costa along railroad tracks, saline flat two miles south fo San Rafael ferry dock Comment
  POM63422  Pogogyne douglasii A. D. E. Elmer 1903-05 4320 Contra Costa Walnut Creek. Comment
  JEPS112472  Pogogyne serpylloides D. G. Kelch 2005-5-1 05 .196 Contra Costa Crockett - Edwards Canyon. 150 Comment
  CHSC67530  Pogogyne zizyphoroides James D. Jokerst 1989-3-28 3065 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS62482  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC692129  Polygonum amphibium Mary L. Bowerman 1935-7-22 3182 Contra Costa Chase Pond Mount Diablo (in water 4 feet from shore) 548 Comment
  JEPS76288  Polygonum amphibium var. emersum W. L. Jepson 1944-7-23 27538 Contra Costa w side of valley near Moraga Pass; Moraga Valley Comment
  RSA721737  Polygonum amphibium var. emersum Barbara J. Ertter, K. Ertter 1995-7-11 14482 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  CHSC116609  Polygonum aviculare Lowell Ahart; Josephine Guardino 2016-4-19 20782 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  CAS-BOT-BC413969  Polygonum aviculare subsp. aviculare Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3256 Contra Costa Brown's Island, South Landing 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
  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
  JEPS106988  Polypodium calirhiza J. Greenhouse with Kevin Hintsa 2004-4-5 5088 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1109 Comment
  UC1177504  Polypodium calirhiza John Thomas Howell 1940-2-11 Contra Costa near Rock City; Mt. Diablo Comment
  UC692122  Polypodium calirhiza Mary L. Bowerman 1933-12-2 2478 Contra Costa rocks by Alder Canyon Alder Canyon; Mt. Diablo 533 Comment
  UC50640  Polypogon imberbis Jos. Burtt Davy 6662 Contra Costa Salt-marsh near Martinez Comment
  CAS-BOT-BC232582  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay Comment
  UCD37370  Polypogon monspeliensis Beecher Crampton 1959-9-3 5453 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  RSA720803  Polypogon viridis Mary L. Bowerman 1975-9-14 s.n. Contra Costa Mount Diablo. Muddy rivuley coming from leak in pipe near Chase Pond. Comment
Read comments
Jun 30 2011
  UC2028386  Polypogon viridis Barbara Ertter 1998-6-20 16256 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, wet margin of Willow Spring Pond south of Ginder Gap Comment
  UC1948931  Polystichum munitum William J. Ferlatte, L. Maynard Moe 1970-4-27 1244 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC406993  Populus fremontii subsp. fremontii Ira L. Wiggins 1930-4-18 4602 Contra Costa se side Jersey Island (Levee bank); se side of Jersey Island Comment
  UC4923  Populus fremontii subsp. fremontii W. C. Blasdale 1901-9-28 Contra Costa San Pablo; at the old Castro house, along the creek Comment
  JEPS99495  Potamogeton foliosus Mary Bowerman 1995-6-8 Contra Costa Mount Diablo, Pine Pond. Comment
  SEINET11268163  Potamogeton pectinatus Barbara Ertter 1998-6-20 16254 Contra Costa NW side of Mount Diablo, Willow Spring Pond south of Ginder Gap.; 0 Comment
  JEPS84884  Proboscidea lutea G. Thomas Robbins 1959-8-1 4114 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
  CAS-BOT-BC508634  Prosartes hookeri Mary L. Bowerman 1933-4-22 1888 Contra Costa Curry-Cave Point Trail 426 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
  JEPS112094  Prunus cerasifera D. G. Kelch 2005-2-28 05 .11 Contra Costa Pinole Valley Near Pinole Valley Road 36 Comment
  UC691115  Prunus cerasifera Mary L. Bowerman 1931-4-18 726 Contra Costa Sycamore Canyon: flat at junction of E and NE forks. Mt. Diablo 396 Comment
  UC2012995  Prunus dulcis Barbara Ertter with Lisa Schultheis 1996-9-2 15277 Contra Costa South side Mount Diablo, east end of Blackhawk Ridge. Comment
  UC2028141  Prunus dulcis Barbara Ertter 1998-4-4 15974 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill. Comment
  JEPS112091  Prunus lyonii D. G. Kelch 2004-5-9 04 .215 Contra Costa Crockett - Eckley Hills North of Bull Valley Staging Area. Rare 13 Comment
  UC1128498  Prunus subcordata R. W. Lundh 1932-9-3 157 Contra Costa 1 mi n of North Peak 609 Comment
  CAS-BOT-BC154628  Prunus subcordata Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10626 Contra Costa Curry Canyon 4.0 mi. s. of Recreation Ground Comment
  JEPS112071  Prunus virginiana subsp. demissa A. G. Murdock 2004-5-28 268 Contra Costa Pinole Peak 205 Comment
  UC2027968  Pseudognaphalium beneolens Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15663 Contra Costa Point Richmond, crest of road. Comment
  JEPS111514  Pseudognaphalium californicum D. G. Kelch 2005-5-13 05 .277 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 66 Comment
  JEPS111723  Pseudognaphalium californicum D. G. Kelch 2004-7-9 04 .295 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. East of Crockett West of Bull Valley SA 60 Comment
  UC1795890  Pseudognaphalium californicum Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14636 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation. 91 Comment
  JEPS111714  Pseudognaphalium luteoalbum D. G. Kelch 2004-6-6 04 .223 Contra Costa Martinez - Train Station Downtown Martinez. 2 Comment
  UC1795643  Pseudognaphalium luteoalbum Barbara Ertter, Drew Hansen 1995-3-28 13938 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St. edge of levees thru created bioremediation marsh south of Wildcat Creek. Comment
  UC1795766  Pseudognaphalium luteoalbum Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14228 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  JEPS111533  Pseudognaphalium stramineum D. G. Kelch 2005-5-5 05 .217 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  CAS-BOT-BC357594  Pseudognaphalium stramineum Walter Knight; I. Knight; J. T. Howell; E. McClintock; S. Rae; B. Doyle 1978-9-5 3237 Contra Costa Browns Island Comment
  UC1795807  Pseudognaphalium stramineum Barbara Ertter, Drew Hansen 1995-3-28 13936 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St. edge of levees thru created bioremediation marsh south of Wildcat Creek. Comment
  UC1948940  Pseudognaphalium thermale William J. Ferlatte, L. Maynard Moe 1970-4-27 1257 Contra Costa San Francisco Bay: Red Rock Island Comment
  RSA114056  Psilocarphus brevissimus H. L. Mason 1952-4-14 14266 Contra Costa 3.5 miles S of Byron Comment
  UC2029123  Psilocarphus tenellus Barbara Ertter with David Gowen 2012-4-19 21319 Contra Costa Diablo Foothills Regional Park southeast of Walnut Creek, north end Hanging Valley Trail. Comment
  RSA31229  Psilocarphus tenellus var. tenellus Joseph A. Ewan 1936-5-3 9497 Contra Costa Wildcat Creek near Orinda road bridge. Comment
  POM278390  Ptelea baldwinii subsp. crenulata Lyman D. Benson 1931-3-18 2668 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  CAS-BOT-BC148641  Ptelea crenulata H. E. McMinn 1922-10-1 409 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  CAS-BOT-BC148643  Ptelea crenulata V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  SBBG33491  Ptelea crenulata A. D. E. Elmer -May-1903 Contra Costa Mount Diablo Comment
  UC1602320  Ptelea crenulata R. C. Wilson 1935-3-26 145 A Contra Costa 0.5 mi w Mt. Zion; Mt. Diablo Quad. 243 Comment
  UC571100  Ptelea crenulata H. L. Mason 1928-4-1 4273 Contra Costa hills n Mount Diablo (canyon back of Pittsburg) Comment
  UC692575  Ptelea crenulata Mary L. Bowerman 1930-6-22 357 Contra Costa Mitchell Canyon; Mount Diablo Comment
  UCR17982  Ptelea crenulata 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
  CAS-BOT-BC148618  Ptelea crenulata J. F. Emmel 1971-8-22 384 Contra Costa Kirker Creek ca. 0.2 air mile S. of site of Nortonville 251 Comment
  CAS-BOT-BC148631  Ptelea crenulata John Thomas Howell 1934-4-8 11811 Contra Costa 7 miles from Clayton on road to Livermore Comment
  UCD38732  Ptelea crenulata Beecher Crampton 1957-7-9 4273 Contra Costa 2-3 miles northwest Martinez on the road to Crockett. Comment
  JEPS95248  Quercus Steve Edwards 1995-10-20 Contra Costa Round Top, W flank Robert Sibley Volcanic Regional Preserve Comment
  UC691313  Quercus X morehus Mary L. Bowerman 1931-3-22 609 Contra Costa between Oyster Point and Cave Point; Mount Diablo Comment
  JEPS104771  Quercus X morehus John L. Morrison 1937-3-6 1968 Contra Costa Comment
  POM301006  Quercus X morehus Mary L. Bowerman 1935-10-26 3349 Contra Costa 0.1 mile by road above Silver Spring, 50 feet from road. 860 Comment
  RSA0026181  Quercus X morehus Barbara Ertter, Tony Morosco 1996-7-27 15038 Contra Costa North side Mount Diablo, Wasserman Trail below Cardinet Oaks Road. Comment
  CHSC39479  Quercus agrifolia Tyler Williams 1984-4-18 25 Contra Costa Mt. Diablo. At Live Oak Group Camp, ca 50 yd ne of site #15, in Rock City area of Mount Diable State Park. 304 Comment
  JEPS75530  Quercus agrifolia P. F. Yorks 1975-4-10 381 Contra Costa on Hampton Rd ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  RSA758316  Quercus agrifolia Doug Goldman 2004-11-3 2923 Contra Costa South side of Marsh Creek, north side of Morgan Territory Road. 354 Comment
  UCD45129  Quercus agrifolia John Thomas Howell 1950-7-5 26638 Contra Costa Small tree, Nortonville, Contra Costa Co. Comment
  UC691301  Quercus berberidifolia Mary L. Bowerman 1933-5-19 2142 Contra Costa Sulphur Spring Canyon, e fork Mount Diablo 457 Comment
  UC691305  Quercus berberidifolia Mary L. Bowerman 1933-9-9 2439 Contra Costa w of Frog Pond; Mount Diablo Comment
  UC691318  Quercus berberidifolia Mary L. Bowerman 1933-6-7 2258 Contra Costa North Peak Ridge Mount Diablo 1021 Comment
  CDA19816  Quercus chrysolepis P. Akers 2002-5-11 s.n. Contra Costa Northern California; Mt Diablo Summit Trail. 938 Comment
  UC5526  Quercus chrysolepis Frank W. Bancroft 1894-7-10 Contra Costa Top of Mt. Diablo Mt. Diablo Comment
  UC847906  Quercus chrysolepis Lewis S. Rose 1941-5-15 41236 Contra Costa w slope Mt. Diablo 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
  RSA476582  Quercus douglasii Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC86122  Quercus dumosa Mary L. Bowerman 1932-1-23 1078 Contra Costa Mount Diablo. Knoll W of knoll between Sycamore Ridge and 1920 point Comment
  UC1748011  Quercus garryana E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 654 Contra Costa Fossil Ridge, just upslope of South Gate Rd., just W of Gibralter Rock, SE of Rock City Mount Diablo State Park 487 Comment
  UCD130592  Quercus garryana E. Dean; M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 654 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
  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
  UCD46663  Quercus kelloggii John M. Tucker 1941-8-28 386 Contra Costa Beside road up Curry Canyon, 7.5 miles south of junction with the road from Clayton to Byron, Contra Costa County, California. Comment
  UC5607  Quercus kelloggii unknown 1800-1 Contra Costa Comment
  CDA23636  Quercus lobata D. G. Kelch 2007-10-6 7 .628 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. 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
  UC691279  Quercus lobata Mary L. Bowerman 1930-6-22 372 Contra Costa Deer Flat Mount Diablo Comment
  UC848107  Quercus lobata Lewis S. Rose 1938-10-28 38306 Contra Costa 6 mi e Clayton; Marsh Creek 152 Comment
  SEINET12034644  Quercus lobata M. T. Doutt 1930-1 81 Contra Costa Marsh Creek,6 mi E of Clayton Comment
  UCD47073  Quercus palmeri J. M. Tucker 1981-5-31 4459 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
  SBBG115590  Quercus parvula var. shrevei E. Dean, B. Ertter, J. M. Tucker, K. Chaney 2000-9-13 650 Contra Costa City of El Sobrante, El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd, jct of Heavenly Ridge Trail and Manzanita Trail 213 Comment
  CDA31191  Quercus wislizeni D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .228 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC1135852  Quercus wislizeni R. C. Wilson 1935-3-13 127 Contra Costa 1.5 mi w Cave Pt.; Mt. Diablo Quad. 563 Comment
  UC691307  Quercus wislizeni Mary L. Bowerman 1931-10-5 1056 Contra Costa ridge e Rhine Canyon (about halfway-up slope, on spur at s end of ridge (also next canyon to e, which enters Curry Canyon at gate to Olafsons' ranch); Mount Diablo 487 Comment
  UC691310  Quercus wislizeni Mary L. Bowerman 1931-5-19 868 Contra Costa Donner Canyon trail Mount Diablo 274 Comment
  CAS-BOT-BC104708  Quercus wislizeni Mary L. Bowerman 1933-9-23 2445 Contra Costa Mount Diablo. Ridge at W end of Meridian Flat; close to saddle by flat Comment
  UC691290  Quercus wislizeni var. frutescens Mary L. Bowerman 1931-4-25 777 Contra Costa Mount Diablo Comment
  UC691293  Quercus wislizeni var. frutescens Mary L. Bowerman 1930-9-9 455 Contra Costa e side North Peak; Mount Diablo Comment
  UC691951  Ranunculus aquatilis Mary L. Bowerman 1935-6-21 3155 Contra Costa s Turtle Rock (winter pool e of main pond); Mount Diablo Comment
  POM270022  Ranunculus aquatilis var. capillaceus Mary L. Bowerman 1931-4-4 662 Contra Costa Pool W of Turtle Rock (can be seen from top of rock) covering a considerable area of the bottom of the dried up pool Comment
  CAS-BOT-BC379108  Ranunculus aquatilis var. diffusus W. W. Carruth 1902-4-29 s.n. Contra Costa Mount Diablo Comment
  POM194560  Ranunculus californicus Eugene Memmler 1929-4-21 2377 Contra Costa Moraga Valley Comment
  POM268438  Ranunculus californicus Mary L. Bowerman 1931-2-22 521 Contra Costa Sycamore Canyon Comment
  SEINET13717644  Ranunculus californicus Unknown 1948-2-12 1103 Contra Costa West facing slope along Bear Creek Canyon in Lawson Hill area. Comment
  UCD35997  Ranunculus californicus Beecher Crampton 1949-4-21 427 Contra Costa Contra Costa County, city of Richmond, in vacant lot near Santa Fe Railroad, S. 14th Street. 7 Comment
  RSA268401  Ranunculus canus Lyman Benson 1935-3-16 6275 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC2027730  Ranunculus canus Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15505 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  POM268398  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Mt. Diablo near Danville; Mt. Range: Mt. Diablo; Watershed: Walnut Creek 152 Comment
  UCSB11261  Ranunculus canus Hayes, Judy 1961-3-30 Contra Costa 2 miles N of South Gate of Mount Diablo State Park 457 Comment
  UC118266  Ranunculus canus var. canus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC692189  Ranunculus canus var. canus Mary L. Bowerman 1932-3-23 1127 Contra Costa East of Donner Creek; Mount Diablo Comment
  JEPS112055  Ranunculus hebecarpus D. G. Kelch 2005-5-1 05 .188 Contra Costa Crockett - Edwards Canyon. Hill below Cummings Skyway, 100 ms west of Crockett Blvd. junction. 150 Comment
  UC1607964  Ranunculus hebecarpus Donald G. Nelson 1937-4-29 507 Contra Costa Road from Pinole south towards Alhambra Road Pinole Comment
  UC9444  Ranunculus hebecarpus H. N. Bolander 1866-1 Contra Costa Monte Diablo Comment
  RSA14522  Ranunculus hebecarpus L. S. Rose 1934-3-21 34071 Contra Costa Marsh Creek, 6 miles E of Clayton. Comment
  UC2028146  Ranunculus hebecarpus Barbara Ertter 1998-4-4 15968 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, and Indian Valley School. 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
  SEINET12765193  Ranunculus lobbii Barbara Ertter, David Gowen 2006-3-1 18665 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga, along SE end of Rocky Ridge Road as it drops to King Cyn Rd.; 0 180 Comment
  UC1618351  Ranunculus muricatus Barbara Ertter, Chris Thayer 1993-5-7 11716 Contra Costa e of Tilden Park (1/2 mi n of Vollmer (=Bald)Peak in East Bay Municipal Utiliteis District land); East Bay Municipal Utiliteis District land 304 Comment
  UC2062687  Ranunculus occidentalis Barbara Ertter with David Gowen 2013-4-19 21317 Contra Costa Southwestern Mount Diablo State Park southeast of Walnut Creek, lower end of Little Yosemite Trail. Comment
  UC9383  Ranunculus orthorhynchus var. bloomeri J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  POM289510  Ranunculus sceleratus H. L. Mason 1937-6-21 11547 Contra Costa 0.5 mile from the S end of Borden Hwy and 1.5 miles W of Byron. Comment
  RSA0027717  Raphanus raphanistrum Barbara Ertter, R. K. Brummitt 1998-5-13 16134 Contra Costa North Gate Road on west side of Mount Diablo, hairpin turn opposite Angel Kerley trailhead. 579 Comment
  CAS-BOT-BC74267  Raphanus sativus Ira L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island. Comment
  CDA23557  Raphanus sativus D. G. Kelch 2008-3-3 8 .03 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  UC1789165  Rhamnus alaternus Barbara Ertter with Tony Morosco 1998-10-18 16431 Contra Costa NW slope of Lime Ridge Open Space just S of Ygnacio Valley Road, bottom of swale at fenceline Comment
Read comments
Apr 29 2013
  CDA29197  Rhamnus californica D. G. Kelch 2008-6-15 8 .249 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  UC311490  Rhamnus ilicifolia A. D. E. Elmer May 1903 4326 Contra Costa Mount Diablo Comment
  UC692576  Rhus trilobata Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point Ridge; Mount Diablo 350 Comment
  UC692577  Rhus trilobata Mary L. Bowerman 1933-6-21 2328 Contra Costa Donner Canyon; Mount Diablo Comment
  UC75430  Ribes Milo S. Baker 1904-6-24 Contra Costa near summit Mt. Diablo Comment
  POM274738  Ribes californicum Unspecified 1935-3-16 6268 Contra Costa Mt. Diablo, Walnut Creek watershed, Upper Sonora zone. Comment
  CAS-BOT-BC92921  Ribes californicum var. californicum John Thomas Howell 1926-3-7 1669 Contra Costa Mount Diablo. Comment
  UC2013040  Ribes californicum var. californicum Barbara Ertter with Travis Columbus 1990-6-10 9113 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 Comment
  RSA0025003  Ribes divaricatum var. pubiflorum David Gowen 2007-3-22 666 Contra Costa Huckleberry Preserve at the south end of the parking lot. Comment
  UC2027990  Ribes divaricatum var. pubiflorum Barbara Ertter 1998-4-19 16028 Contra Costa Tilden Regional Park, Wildcat Creek Trail to Jewel Lake. Comment
  UC692225  Ribes malvaceum Mary L. Bowerman 1931-2-8 509 Contra Costa near summit Meridian Peak; Mount Diablo Comment
  UC69254  Ribes malvaceum H. M. Hall 1901-4-5 1753 Contra Costa Mt. Diablo Region of San Francisco Bay 1005 Comment
  CAS-BOT-BC206016  Ribes menziesii Mary L. Bowerman 1944-6-19 3894 Contra Costa Mount Diablo. Summit Comment
  UC1127450  Ribes menziesii R. W. Lundh 1932-9-22 166 Contra Costa Mount Diablo Mt. Diablo Quadrangle Comment
  UC692434  Ribes menziesii Mary L. Bowerman 1935-6-1 3102 Contra Costa first minor ridge e Mitchell-Pine divide; Mount Diablo 1005 Comment
  UCSB26492  Ribes sanguineum var. glutinosum Keefe, Joseph 1967-3-20 Contra Costa along Huckleberry Trail; 0.5 mile east of Skyline boulevard; near intersection with Grizzly Park Boulevard; east of Berkeley 274 Comment
  JEPS111954  Ricinus communis D. G. Kelch 2004-7-9 04 .316 Contra Costa Rodeo Shore 2 Comment
  UC1598928  Rigiopappus leptocladus Mrs. K. Curran May 1883 Contra Costa Antioch Comment
  UC697154  Rigiopappus leptocladus Mary L. Bowerman 1935-4-22 2890 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 853 Comment
  JEPS99482  Rigiopappus leptocladus Mary Bowerman 1977-5-29 Contra Costa Mount Diablo. SW corner Russellman Park. 365 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
  JEPS111063  Romulea rosea var. australis Lee Echols 2003-3-8 s.n. Contra Costa N of Lark Drive in S portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  UC1727989  Romulea rosea var. australis Gregg Weber 1998-5-6 Contra Costa San Pablo Ridge trail Comment
  JEPS78605  Rorippa palustris var. occidentalis Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3278 Contra Costa Crooked Slough Browns Island, Crooked Slough Comment
  UC630419  Rosa californica Paule Guiguet and Annetta Carter 1939-8-13 1450 Contra Costa se Clayton; Mount Diablo drainage, Donner Creek 152 Comment
  JEPS102898  Rosa spithamea Barbara Ertter, Brad Olson 1997-11-1 15878 Contra Costa Knobcone Point Road E of Balancing Rock Mount Diablo 548 Comment
  CAS-BOT-BC147359  Rubus pensilvanicus Walter Knight; B. Mortensen; B. Atwater; R. Bensler; J. Dean 1979-4-13 3369 Contra Costa Alder Point. Browns Island Comment
  CDA924  Rubus ursinus D. G. Kelch 2006-5-5 6 .129 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  SJSU5858  Rubus ursinus C. O. Dudley 1966-5-1 Contra Costa Reliez Valley, Briones Hills, N of Lafayette 152 Comment
  UC12996  Rubus ursinus W. H. Brewer 1862-5-17 1107 Contra Costa Canyon n Monte Diablo; Canyon n of Monte Diablo Comment
  POM300578  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa Road above Indian Ceremonial Spring, roadbank at hairpin turn Comment
  UC692167  Rumex conglomeratus Mary L. Bowerman 1930-8-24 420 Contra Costa Mitchell Canyon Mount Diablo 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
  UCD144311  Rumex crassus G. F. Hrusa; D. Crowe 1998-5-8 14361 Contra Costa Sacramento-San Joaquin River Delta. At east end of Dow Chemical property at Pittsburg. 10 Comment
  UC692166  Rumex crispus Mary L. Bowerman 1935-6-28 3177 Contra Costa s of Meridian Peak summit (300 yds e of the meridian fence, at very edge of the pond area); Mount Diablo 487 Comment
  UCD101352  Rumex occidentalis P. B. Kennedy 1916-5-11 s.n. Contra Costa Grand View Terrace; Richmond District. Comment
  JEPS25160  Rumex pulcher G. Thomas Robbins with John Weiler 1959-5-23 4032 Contra Costa about 0.5 mi e Pt. San Pablo (overlooking San Pablo Bay); Richmond 7 Comment
  CDA15273  Rumex salicifolius var. crassus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14710 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  UC2012982  Rumex salicifolius var. salicifolius Barbara Ertter with Tony Morosco 1996-7-27 15030 Contra Costa Mount Diablo State Park, Donner Creek ca halfway between Regency Drive trailhead and old cabin site Comment
  UC2028968  Rumex transitorius Barbara Ertter with Brad Olson et al. 2000-6-2 17299 Contra Costa north side Brushy Peak Regional Preserve NE of Livermore. Comment
  POM118953  Ruppia cirrhosa Edward Palmer 2673 Contra Costa Byron Hot Springs. Comment
  JEPS112039  Ruppia maritima D. G. Kelch 2004-4-26 04 .138 Contra Costa Point Pinole 1 Comment
  UC2070543  Sagina decumbens subsp. occidentalis Barbara Ertter with Linda Vorobik 2002-4-6 17821 Contra Costa South flank of Mount Diablo, west fork of Alamo Creek at end of spur road under powerlines. Comment
  SEINET11268191  Salicornia europaea Barbara Ertter 1990-9-30 9656 Contra Costa Point Pinole Regional Shoreline, edge of sparina marsh at edge of salicornia marsh on SW corner of park; edge of San Pablo Bay.; 0 Comment
  UCR265185  Salicornia pacifica Barbara Ertter, Elizabeth Neese 1988-10-15 7974 Contra Costa Central Coast, El Cerrito, west of Hwy I-580, west side along Rydin Road north of Central Avenue 4 Comment
  CDA23458  Salicornia subterminalis R. L. Todd 1962-11-21 Contra Costa Old River Canal bridge. 0 Comment
  JEPS22093  Salicornia virginica G. Thomas Robbins 1958-7-19 3904 Contra Costa about 0.75 mi s Pt. San Pablo, Potrero San Pablo, Richmond; San Francisco Bay, Point Orient Comment
  RSA771186  Salicornia virginica Barbara Ertter, Elizabeth Neese 1988-10-15 7974 Contra Costa Salicornia marsh west of I-580 in El Cerrito, west side along Rydin Road north of Central Avenue. Comment
  CAS-BOT-BC129914  Salix bonplandiana Mary L. Bowerman 1933-11-9 2468 Contra Costa Meridian Peak; spring on ridge west of Old Government Trail, fifty feet from head of spring - Mount Diablo 533 Comment
  CAS-BOT-BC129918  Salix bonplandiana Mary L. Bowerman 1933-4-15 1854 Contra Costa Mount Diablo - canyon south of Arroyo del Cerro Comment
  UC691921  Salix exigua var. hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa by Donner Canyon stream Donner Canyon; Mt. Diablo 152 Comment
  UC407388  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa levees, Jersey Isl. Jersey Isl. Comment
  UC691925  Salix laevigata Mary L. Bowerman 1931-3-14 566 Contra Costa e side Riggs Canyon; Mt. Diablo, Riggs Canyon Comment
  UC692052  Salix laevigata Mary L. Bowerman 1931-3-1 530 Contra Costa near w. entrance = N. Gate Mt. Diablo Comment
  POM300610  Salix lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa Donner Canyon, W fork. Below Twin Peaks. Mt. Diablo. Comment
  UC1196651  Salix lasiolepis Joseph P. Tracy 1932-9-10 10785 Contra Costa Rodeo Creek Northern Coast Ranges (on Franklin Canyon Rd.) 60 Comment
  UC692065  Salix lasiolepis Mary L. Bowerman 1935-6-21 3142 Contra Costa Arroyo del Cerro Mount Diablo (e fork) 259 Comment
  UC692066  Salix lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa streambed below Twin Peaks (w fork of canyon); Mount Diablo, Donner Canyon Comment
  UC692067  Salix lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa streambed below Twin Peaks (w fork of canyon); Mount Diablo, Donner Canyon Comment
  CAS-BOT-BC107366  Salix lasiolepis var. lasiolepis Walter Knight; Joanne Dean 1978-8-14 3117 Contra Costa Browns Island Comment
  CAS-BOT-BC129556  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-2-13 1087 Contra Costa By Alamo Creek (West Branch) - Mount Diablo 289 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
  JEPS623  Salsola tragus W. L. Jepson 1945-11-11 27571 Contra Costa Antioch Sandhills Comment
  CAS-BOT-BC220706  Salvia D. M. Curran 1882-8-2 s.n. Contra Costa Antioch Comment
  SBBG29850  Salvia columbariae L. S. Rose 1935-5-16 Contra Costa Mt Diablo Comment
  CDA33845  Salvia columbariae D. G. Kelch 2010-5-15 10 .123 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  POM223332  Salvia columbariae L. S. Rose 1935-5-16 s.n. Contra Costa Mt. Diablo. Comment
  JEPS62759  Salvia mellifera W. L. Jepson 1921-11-19 9517 Contra Costa Mt. Diablo Comment
  JEPS89167  Salvia mellifera W. L. Jepson 1898-10-18 Contra Costa Mt. Diablo Comment
  UC1124790  Salvia mellifera R. W. Lundh 1933-3-25 221 Contra Costa 1 mi w Alamo; Concord Quad. 213 Comment
  UC1124825  Salvia mellifera R. C. Wilson 1935-2-26 106 Contra Costa Mt. Diablo; Mt. Diablo Quad. 426 Comment
  UC25730  Salvia mellifera H. N. Bolander Apr 1866 6317 Contra Costa Mount Diablo Comment
  UC883961  Salvia mellifera Lewis S. Rose 1941-3-22 41057 Contra Costa w slope Mt. Diablo 609 Comment
  SEINET5734904 Image available Salvia mellifera August Hartman 1960-1 1 Contra Costa South Gate Road, Mt. Diablo.; Mt. Diablo 305 Comment
  UC2045292 Image available Salvia mellifera Mary L. Bowerman 1931-2-8 507 Contra Costa West road Comment
  CSUSB999  Sambucus mexicana Mark T. Wexler 1973-5-22 Contra Costa El Sobrante. Collected across the street from the intersection of Jo-lin Street and Valley View Road in a small, sandy ravine (wash). 152 Comment
  CAS-BOT-BC238635  Sambucus nigra subsp. caerulea Walter Knight 1965-3-1 894 Contra Costa Antioch dunes Comment
  SEINET10545764  Sanicula bipinnata John T. Middleton 1936-4-18 Middleton 146 Contra Costa Comment
  CHSC21621  Sanicula bipinnatifida Willis Ball 1975-3-25 502 Contra Costa Contra Loma Regional Park. In area #3. At peak of larg hill inarea #3 ca. 120 yds sw of the Dam. 60 Comment
  JEPS100131  Sanicula bipinnatifida G. Smick 2003-3-25 GAS 109 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691875  Sanicula bipinnatifida Mary L. Bowerman 1931-3-21 595 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 350 Comment
  UC2062644  Sanicula bipinnatifida Barbara Ertter with Dan Norris 2001-4-8 17588 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC579860  Sanicula crassicaulis Annetta Carter 1936-4-19 1123 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  JEPS996  Sanicula laciniata W. L. Jepson 1943-4-24 20764 Contra Costa vicinity of San Francisco Bay (Oakland Hills, Moraga Ridge); Oakland Hills, Moraga Ridge Comment
Read comments
Jan 24 2008
  RSA771181  Sanicula saxatilis Barbara Ertter, Brad Olson, Lynne Hosley 1991-4-7 9728 Contra Costa Eagle Peak on Mount Diablo, scree slopes on east and southwest side, esp. in drainages Comment
  SBBG122982  Sanicula saxatilis B. Ertter et al. 1991-4-7 9728 Contra Costa Eagle Pk on Mt Diablo Comment
  UC691876  Sanicula tuberosa Mary L. Bowerman 1931-4-25 755 Contra Costa Mount Diablo, near junction of south and west roads Mount Diablo Comment
  UC691877  Sanicula tuberosa Mary L. Bowerman 1931-4-19 743 Contra Costa Mount Diablo, Upper Deer Flat Upper Deer Flat; Mount Diablo, Upper Deer Flat Comment
  UC766927  Sanicula tuberosa R. F. Hoover 1935-3-10 301 Contra Costa Nortonville Comment
  UCD33150  Sasa borealis Beecher Crampton 1966-10-18 7815 Contra Costa Contra Costa County, Kensington, Berkeley Hills Blake Garden, UC Berkeley Dept. of landscape architecture. Comment
  JEPS43797  Saxifraga californica E. W. Hicks 1917-3-24 107 Contra Costa Mount Diablo 304 Comment
  JEPS99950  Saxifraga californica S. O'Neil 2003-2-25 SEO 8 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC570944  Saxifraga californica Herbert L. Mason 1926-3-7 2702 Contra Costa Mount Diablo Comment
  SEINET11754535  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1933-1 469 Contra Costa delta lands of Sacramento & San Joaquin rivers Comment
  UC2028426  Schoenoplectus americanus Barbara Ertter 1996-9-19 15294 Contra Costa Antioch Marina Comment
  CAS-BOT-BC111461  Schoenoplectus californicus Ira L. Wiggins 1930-11-18 4592 Contra Costa Levees, Jersey Island. Comment
  CAS-BOT-BC111463  Schoenoplectus californicus Walter Knight; Irja Knight 1977-5-22 s.n. Contra Costa Growing at site of little corral. Antioch Dunes. Comment
  SD134082  Schoenoplectus californicus Walter Knight, Irja Knight 1977-6-18 Contra Costa On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Growing in water at high tide. Comment
  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
  JEPS111886  Scirpus cernuus D. G. Kelch 2003-8-13 03 .120 Contra Costa Martinez Marsh 0 Comment
  CDA39151  Scirpus maritimus A. G. Murdock 2004-5-28 300 Contra Costa Carquinez Strait; Luzon. 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
  CDA23594  Scirpus microcarpus D. G. Kelch 2007-9-8 7 .58 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  CDA39143  Scirpus microcarpus D. G. Kelch 2004-7-9 4 .308 Contra Costa Carquinez Strait; Martinez; Alhambra Creek, near Muir gravesite. Arroyo del Hambre. Comment
  UC2031415  Scribneria bolanderi Barbara Ertter with David Gowen 2006-4-14 18669 Contra Costa Lime Ridge Open Space (City of Concord) at NW foot of Mt Diablo, SE of Ygnacio Valley Road Comment
  JEPS116725  Scribneria bolanderi David Gowen 2006-4-22 545 Contra Costa Los Vaqueros Watershed. Chaparral area (Mallory Ridge?) just southeast of Morgan Territory Reg. Preserve. Comment
  JEPS23819  Scrophularia californica subsp. californica G. Thomas Robbins with John Weiler 1959-5-23 4025 Contra Costa w shore of Brooks Isl; San Francisco Bay, Richmond Comment
  UC691648  Scrophularia californica subsp. floribunda Mary L. Bowerman 1931-4-25 782 Contra Costa summit Mt Diablo Comment
  UC1713660  Scutellaria tuberosa Herbert L. Mason 1928-4-15 4342 Contra Costa top of Moraga Ridge Comment
  RSA0055044  Scutellaria tuberosa Jim Shevock 1971-4-7 916 Contra Costa Mt. Diablo St. Park. 548 Comment
  CAS-BOT-BC363290  Senecio aronicoides Alice Eastwood 1922-5-14 11319 Contra Costa Mt. Diablo Comment
  UCD102385  Senecio aronicoides Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 890 Comment
  CAS-BOT-BC327445  Senecio flaccidus var. douglasii Lewis S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  UC1584828  Senecio hydrophilus Jerry Powell 1990-8-29 1588 Contra Costa Antioch National Wildlife Refuge Comment
  JEPS111511  Senecio sylvaticus D. G. Kelch 2005-5-13 05 .274 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 66 Comment
  UC335828  Senecio triangularis unknown Contra Costa near Mt. Diablo; near Mt. Diablo Comment
Read comments
Feb 11 2013
  CAS-BOT-BC364553  Senecio vulgaris Ira L. Wiggins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island Comment
  POM181456  Senecio vulgaris Ira L. Higgins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island. Comment
  JEPS48275  Sequoia sempervirens W. L. Jepson 1919-1-25 8208 Contra Costa Upper San Leandro Creek by Moraga Ridge Upper San Leandro Creek, Moraga Ridge Comment
  RSA572195  Sequoia sempervirens L. S. Rose 1934-1-29 34009 Contra Costa Redwood Canyon Comment
  SEINET13289876 Image available Sequoia sempervirens L. S. Rose 1934-1 Contra Costa Redwood Canyon Comment
  SEINET3876354 Image available Sequoia sempervirens Judy Kaufman 1963-2-15 9 Contra Costa On slopes of Flicker Ridge.; 0 122 Comment
  CDA38611  Sesbania punicea R. Fonseca 2012-8-14 PDR# 1641171 Contra Costa Pittsburg; Columbia Street near East 11th Street. 0 Comment
  UC1614106  Sherardia arvensis Charles M. Belshaw 1935-6-24 789 Contra Costa ca. 1/2 mi. e. Grizzly Peak (Bald Peak); Bald Peak Comment
  UC1795725  Sherardia arvensis Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13941 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, open oak woodland/grassland open flat area on east side of stream not far from trail head. 182 Comment
  RSA29235  Sherardia arvensis Joseph A. Ewan 1934-3-10 8630 Contra Costa 1 mile below Orinda Road. Wildcat Canyon. Comment
  UC1300823  Sidalcea malviflora subsp. laciniata Helen K. Sharsmith 1962-4-7 4917 Contra Costa Appian Way near El Sobrante; San Francisco Bay Region, nr El Sobrante 121 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
  UC8497  Silene verecunda subsp. platyota Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC364795  Silybum marianum Walter Knight; Bob Doyle; Wayne Roderick; Steve Edwards 1978-9-19 3252 Contra Costa Browns Island. South Landing Comment
  SEINET10760843  Silybum marianum Bonnie C. Templeton 1962-6-24 Templeton s.n. Contra Costa on the road to Mt. Diablo Comment
  CDA23556  Sinapis arvensis D. G. Kelch 2008-3-3 8 .028 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  CDA9510  Sinapis arvensis D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .237 Contra Costa CA Delta; Along Clifton Court Near Clifton Court Forebay. Comment
  JEPS100011  Sinapis arvensis G. Smick 2003-4-8 GAS 131 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC407039  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island Comment
  UC2028548  Sinapis arvensis Barbara Ertter 1998-4-4 15959 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west base of northwestern-most ridge. Comment
  CDA23555  Sisymbrium orientale D. G. Kelch 2008-3-3 8 .027 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  UCD115663  Sisymbrium orientale Collector unknown Date unknown s.n. Contra Costa Contra Costa County. Comment
  SEINET12047240  Sisyrinchium bellum C. C. Getzinger 1964-1 23 Contra Costa Richmond, Arlington Blvd. at Patterson Circle 30 Comment
  CDA39383  Smilacina racemosa A. G. Murdock 2004-4-3 245 Contra Costa Vaca Canyon. Comment
  UC691994  Smilacina racemosa Mary L. Bowerman 1931-5-23 897 Contra Costa Alamo Canyon Mount Diablo (e fork, upper end, not far from saddle) Comment
  CDA39388  Smilacina stellata A. G. Murdock 2004-4-3 246 Contra Costa Vaca Canyon. 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
  CAS-BOT-BC156306  Solanum umbelliferum anonymous 1900-3-26 s.n. Contra Costa Oakley. 6 m. E. of Antioch Comment
  POM215197  Solanum umbelliferum D. D. Keck 1933-11-2 2619 Contra Costa 1 mile SE of Oakley. Comment
  UC200706  Solanum umbelliferum Katharine Brandegee 1907-6-16 Contra Costa between Antioch and Marsh Creek Comment
  UC1051129  Solanum xanti N. Floy Bracelin 1945-7-22 2583 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CDA8722  Solidago californica A. G. Murdock, D. G. Kelch 2003-9-12 198 Contra Costa Carquinez Strait Region; Crockett - Tormey Headlands. Along trail to Superfund overlook. Comment
  UC691808  Solidago velutina subsp. californica Mary L. Bowerman 1930-8-24 434 Contra Costa Mitchell Canyon , Mitchell Canyon (Mount Diablo) Comment
  JEPS25515  Soliva sessilis Robert Owen 1961-5-19 Contra Costa Tilden Regional Park Botanic Garden Comment
  UC407040  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  UC2070598  Sparganium eurycarpum subsp. eurycarpum Barbara Ertter with Chris Thayer and Dianne Lake 2001-5-26 17658 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. 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
  CAS-BOT-BC236610  Spartina foliosa Richard W. Pohl 1952-9-9 7198 Contra Costa Along San Francisco Bay, El Cerrito Comment
  UC1795711  Spartium junceum Barbara Ertter, Gary Schoolcraft 1996-4-7 14582 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge; entrance to Western Drive from I-580 east of toll station on San Rafael-Richmond Bridge, road bank Comment
  UC2028514  Spartium junceum Barbara Ertter 1996-11-24 15419 Contra Costa West side of Mount Diablo, upstream from Pine Pond along Stage Road in Pine Canyon, floodplain at junction with Dusty Road Comment
  CAS-BOT-BC389917  Spergula arvensis R. E. Frenkel 1964-2-22 361 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC1795660  Spergula arvensis subsp. arvensis Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14565 Contra Costa Knobcone Point Road northeast of Knobcone Point in Mt Diablo State Park, near junction of north heading spur road, roadside in open oak woodland. Comment
  UC1818860  Spergula arvensis subsp. arvensis Barbara Ertter, Kristin Ertter 1995-7-11 14467 Contra Costa Diablo Foothills Regional Park, dried road bed at base of east-facing cliff. 121 Comment
  UC2028042  Spergula arvensis subsp. arvensis Barbara Ertter 1998-3-1 15925 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  CHSC23224  Spergularia macrotheca Carol G. Getzinger 1964-4-26 50 Contra Costa Near San Francisco Bay, Richmond, at the University of California Richmond Field Station; in front of Building 128; field. 4 Comment
  NY482313  Spergularia macrotheca B. J. Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in sw El Cerrito Comment
  CDA24126  Spergularia macrotheca var. longistyla D. G. Kelch 1992-3-21 1828 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  CAS-BOT-BC390742  Spergularia marina John Thomas Howell; Gordon H. True 1972-6-29 48914 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  UC1563860  Spergularia marina Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8135 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) 0 Comment
  RSA0029285  Spergularia marina Barbara Ertter, John Ginochino, Mary Bowerman 2001-5-8 17630 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  UC1818901  Spergularia marina Barbara Ertter, Drew Hansen 1995-3-28 13939 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St. edge of levees thru created bioremediation marsh south of Wildcat Creek. 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
  UC1818936  Spergularia rubra Barbara Ertter, Mary Bowerman et al. 1995-5-7 14043 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  RSA0098111  Spergularia rubra Mary L. Bowerman 1975-4-19 s.n. Contra Costa Mount Diablo. Mitchell Canyon. 256 Comment
  POM89186  Spergularia salina var. tenuis Katherine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  UC1948952  Spergularia villosa William J. Ferlatte, L. Maynard Moe 1970-4-27 1258 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC1555268  Stachys ajugoides var. rigida R. C. Stebbins 1988-5-25 Contra Costa Memory and Packrat trails Tilden Park, Tildne Nature Area Comment
  UC1619953  Stachys albens Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10703 Contra Costa n. Pittsburg (in center of w. end of Browns Isl., near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina); Browns Isl. Comment
  UCD125808  Stachys albens Malcolm A. Nobs; S. Galen Smith 1949-7-8 943 Contra Costa Otto's Black Bass Resort, 4 miles N of Kingston. Comment
  JEPS99581  Stachys pycnantha Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond. Comment
  UC2055617  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  UC2055619  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  RSA721866  Stachys rigida subsp. quercetorum Barbara Ertter, Brad Olson 1994-5-7 12756 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Comment
  JEPS36203  Stebbinsoseris heterocarpa W. L. Jepson 1921-5-22 9215 Contra Costa Half way up Mt. Diablo. Comment
  JEPS97545  Stellaria media R. D. Stone 1981-3-23 348 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) Comment
  UC651293  Stellaria media Ira L. Wiggins 1930-4-18 4598 Contra Costa n end Jersey Island Comment
  CAS-BOT-BC386942  Stellaria media Mary L. Bowerman 1932-2-13 1085 Contra Costa Alamo Canyon 365 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
  UC914273  Stephanomeria virgata subsp. pleurocarpa Verne Grant and Alva Grant 1946-9-29 7878 Contra Costa e of Redwood Peak 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
  CAS-BOT-BC87097  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1942-5-24 16965 Contra Costa Near Deer Flat, Mount Diablo. Comment
  UC2028978  Streptanthus glandulosus subsp. glandulosus Barbara Ertter 2000-5-14 17020 Contra Costa Donner Basin on north side of Mount Diablo, switchbacks on Cardinet Oaks Road. Comment
  JEPS27001  Streptanthus hispidus E. W. Hicks 1917-3-24 112 Contra Costa Mt. Diablo 762 Comment
  UC630664  Streptanthus hispidus John L. Morrison and Lincoln Constance 1938-5-5 3027 Contra Costa along Deer Flat trail ca 1/8 mi n Juniper Camp (steep n-facing talus slope); Mt. Diablo Comment
  UC1950414  Stuckenia pectinata Barbara Ertter with Brad Olson 1994-8-8 12202 Contra Costa Bishop Ranch Regional Open Space southwest of San Ramon Comment
  UC2028421  Stuckenia pectinata Barbara Ertter 2000-9-30 17533 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch 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
  UC88443  Stylocline gnaphaloides Miss Alice Eastwood 1893-5-5 Contra Costa Brentwood Comment
  CAS-BOT-BC422907  Stylomecon heterophylla Paul F. Covel 1936-5-17 156 Contra Costa Mt Diablo, on trail summit-north peak. Comment
  JEPS51560  Stylomecon heterophylla W. L. Jepson 1925-4-26 10683 Contra Costa Black Hills Mt. Diablo; , Black Hills Comment
  JEPS77536  Stylomecon heterophylla Margaret Ely 1978-5-3 Contra Costa n side of Mount Diablo, along Back Creek Back Creek; Mount Diablo, Back Creek 304 Comment
  UC112847  Stylomecon heterophylla T. S. Brandegee 1908-4-10 Contra Costa near Antioch; near Antioch Comment
  UC1733834  Stylomecon heterophylla Kay H. Beach 1941-4-30 1078 Contra Costa 7 mi W of Byron; Marsh Creek 30 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
  LA46177  Stylomecon heterophylla J. A. Ewan; 1935-5-26 9301 Contra Costa Bald Peak, San Pablo Ridge 548 Comment
  UC2062637  Stylomecon heterophylla Barbara Ertter with David Gowen, Mike Park 2004-4-13 18350 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, junction of Arata Overlook Trail and River View Loop Trail. Comment
  UC7235  Suaeda moquinii T. J. Storer Sep 1899 Contra Costa Byron Springs Comment
  SEINET4172257  Suaeda nigra J. B. Davy s.n. Contra Costa Mount Diablo, Sivermore Pass Comment
  CAS-BOT-BC269560  Symphoricarpos albus var. laevigatus E. E. Stanford 1930-5-24 1509 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC269562  Symphoricarpos albus var. laevigatus V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  CAS-BOT-BC269694  Symphoricarpos mollis Alice Eastwood 1915-6-21 4726 Contra Costa San Leandro Comment
  JEPS111768  Symphoricarpos mollis D. G. Kelch 2004-3-12 04 .33 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County, CA 220 Comment
  JEPS111776  Symphoricarpos mollis D. G. Kelch 2005-5-1 05 .181 Contra Costa Crockett - Edwards Canyon 150 Comment
  UC1076412  Symphoricarpos mollis Herbert L. Mason 1929-5-7 5264 Contra Costa Moraga Ridge Comment
  UC1119949  Symphoricarpos mollis R. W. Lundh 1933-3-30 224 Contra Costa 1.5 mi nw Eastport; Concord Quad. 426 Comment
  UC2046322  Symphyotrichum lanceolatum var. hesperium Barbara Ertter 2000-10-26 17550 Contra Costa West side Mount Diablo, Little Pine Creek near park boundary, just upstream from Falcon Road creek crossing. Comment
  UC2046323  Symphyotrichum lanceolatum var. hesperium Barbara Ertter 2000-9-2 17520 Contra Costa Sobrante Ridge Preserve in hills southeast of El Sobrante, north of trailhead from Heavenly Ridge entrance. Comment
  UC2042880  Symphyotrichum lentum Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10860 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  SD175790  Symphyotrichum subulatum var. parviflorum D. G. Kelch 2006-9-15 06 472 Contra Costa Martinez, Waterfront Road Marina Dr., 100 m. west of Pacheco Slough. 2 Comment
  CAS-BOT-BC98331  Symphyotrichum subulatum var. parviflorum Walter Knight 1978-8-27 3196 Contra Costa Contra Loma Regional Park, at reservoir's edge. Comment
  UCD35996  Taraxia ovata Beecher Crampton 1949-4-21 426 Contra Costa Contra Costa County, city of Richmond, in vacant lot near Santa Fe Railroad, S. 14th Street. 7 Comment
  UCD102393  Tauschia hartwegii Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Bald Ridge Trail. Bald Ridge. 890 Comment
  UC692478  Tetrapteron graciliflorum Mary L. Bowerman 1935-4-26 2907 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC9701  Thalictrum fendleri var. polycarpum J. Burtt Davy 1895-4-13 1010 Contra Costa near San Pablo Creek Comment
  UC9708  Thalictrum fendleri var. polycarpum J. Burtt Davy 1895-4-13 1010 Contra Costa near San Pablo Creek Comment
  CAS-BOT-BC88248  Thysanocarpus curvipes Alice Eastwood 1915-5-30 4554 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC88250  Thysanocarpus curvipes Alice Eastwood 1923-5-4 11711 Contra Costa Mount Diablo. Comment
  HSC101956  Thysanocarpus curvipes Nikolaus Gillen, Michelle Bihler 2014-3-20 8 Contra Costa Mount Diablo State Park. Back Creek Trail. 340 Comment
  UC614830  Thysanocarpus curvipes Beryl O. Schreiber 1932-3-27 163 Contra Costa near Antioch; near Antioch Comment
  UC11030  Thysanocarpus curvipes subsp. curvipes Brewer 1862-1 Contra Costa Mount Diablo Comment
  RSA0039372  Thysanocarpus curvipes var. curvipes Harley P. Chandler 1901-4-5 940 Contra Costa Mt. Diablo, Pine Canyon. Comment
  SEINET10482179  Thysanocarpus curvipes var. elegans John T. Middleton 1936-4-18 Middleton 140 Contra Costa Briones valley. Comment
  SEINET10904232  Thysanocarpus curvipes var. elegans John T. Middleton 1936-4-18 Middleton 141 Contra Costa Briones valley. Comment
  CAS-BOT-BC67283  Thysanocarpus radians T. S. Brandegee 1883-5-1 s.n. Contra Costa Antioch. Comment
  JEPS100128  Torilis arvensis A. Langston 2003-7-9 AL 61 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2027741  Torilis arvensis Barbara Ertter 1996-11-24 15418 Contra Costa Southwest side of Mount Diablo, Wall Point Road across Pine Ridge ca 1/2 air miles ENE of Macedo Ranch. Comment
  RSA610777  Toxicodendron diversilobum Joseph A. Ewan 1936-7-5 9737 Contra Costa Wildcat Creek Comment
  CDA8354  Tragopogon porrifolius D. G. Kelch, A. G. Murdock 2003-4-1 03 .093-B Contra Costa Carquinez Strait; Crockett. E bound entrance to Carquinez Bridge. Comment
  JEPS100096  Tribulus terrestris A. Langston 2003-7-9 AL 66 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691399  Trichostema lanceolatum Mary L. Bowerman 1930-8-31 450 a Contra Costa Inner Black Hills E of main road Mount Diablo Comment
  CDA33823  Trifolium albopurpureum D. G. Kelch 2010-5-15 10 .121 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  RSA14951  Trifolium albopurpureum L. S. Rose 1935-5-16 35174 Contra Costa Mt. Diablo 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
  UC16500  Trifolium albopurpureum var. dichotomum W. H. Brewer 1862-5-16 1114 Contra Costa n Kirker's Pass Comment
  UC16612  Trifolium albopurpureum var. dichotomum Jos. Burtt Davy 1901-4-21 7048 Contra Costa Wildcat Canyon Comment
  UC630753  Trifolium albopurpureum var. dichotomum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC630850  Trifolium albopurpureum var. dichotomum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UCR263556  Trifolium albopurpureum var. dichotomum Barbara Ertter, R. K. Brummitt 1998-5-13 16131 Contra Costa San Francisco Bay Region, Summit Road on Mount Diablo, above Juniper Camp 905 Comment
  UC16605  Trifolium albopurpureum var. olivaceum W. H. Brewer 1862-4-30 1019 Contra Costa Camp 69 Walnut Creek Comment
  UC631264  Trifolium albopurpureum var. olivaceum Mrs. Brandegee May 1907 Contra Costa Antioch Comment
  UC2070480  Trifolium angustifolium Barbara Ertter 2002-8-24 18018 Contra Costa NE base of Mount Diablo, connector trail paralleling Morgan Territory Road. Comment
  CDA27902  Trifolium bifidum var. decipiens A. G. Murdock, D. G. Kelch 2004-3-19 234 Contra Costa Carquinez Strait Region; McEwen Road. Comment
  SBBG29986  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa hills E of St Mary's College Comment
  UC692243  Trifolium bifidum var. decipiens Mary L. Bowerman 1933-5-21 2155 Contra Costa s Curry Canyon (nera Grape Spring); Mount Diablo Comment
  UC2027805  Trifolium bifidum var. decipiens Barbara Ertter with Holly Forbes 1997-4-20 15551 Contra Costa North base of Mount Diablo, roadside on trail to Back Creek from Mitchell Canyon trailhead. Comment
  CDA29796  Trifolium ciliolatum D. G. Kelch, Troy MacGregor 2009-5-1 9 .265 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  CHSC24925  Trifolium ciliolatum M. A Callahan 1976-4-15 20 Contra Costa Ca. 15 mi ne of house at 1976 Mohawk Dr. Pleasant Hill. 121 Comment
  UC692256  Trifolium ciliolatum Mary L. Bowerman 1933-5-2 1939 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  POM203632  Trifolium ciliolatum J. T. Howell 11245 Contra Costa Hills east of St. Marys College. Comment
  UC1818906  Trifolium ciliolatum Barbara Ertter, Chris Thayer 1995-4-25 13988 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UC16529  Trifolium depauperatum var. amplectens C. Michener 1891-4-23 Contra Costa Point Isabel Comment
  UC631084  Trifolium depauperatum var. amplectens Mrs. K. Brandegee 1907-5-8 Contra Costa Antioch Region Comment
  UC630978  Trifolium depauperatum var. amplectens P. B. Kennedy 1925-4-26 Contra Costa above old rd (Mt. Diablo Meadow) Comment
  UCSC011139  Trifolium depauperatum var. laciniatum Randy Morgan 1999-5-30 3509 Contra Costa Byron, Seed originally from Armstrong Road Comment
  JEPS65731  Trifolium depauperatum var. truncatum W. L. Jepson 1917-4-14 6867 Contra Costa Oakland Hills, near Redwood Peak Comment
Read comments
Dec 17 2008
  JEPS65752  Trifolium depauperatum var. truncatum Ivar Tiderstrom 1895-4-13 Contra Costa Lafayette Comment
  UC1543246  Trifolium depauperatum var. truncatum Donald G. Nelson 1937-3-30 476 Contra Costa a few mi s Byron (on rr tracks paralleling the hwy, on rd ro Tracy) Comment
  POM301858  Trifolium depauperatum var. truncatum Mary L. Bowerman 1932-3-23 1125 Contra Costa Oak Grove School junction, between Monument and Concord Comment
  POM18457  Trifolium dichotomum C. F. Baker 1903-4-27 2797 Contra Costa Byron. Comment
  CDA29487  Trifolium dubium D. G. Kelch, Troy MacGregor 2009-5-1 9 .282 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC2029021  Trifolium fragiferum Barbara Ertter 1999-7-17 16764 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park. Comment
  UC16537  Trifolium fucatum J. Burtt Davy 1900-3-24 6531 Contra Costa Stege Comment
  UC692239  Trifolium fucatum Mary L. Bowerman 1932-5-6 1421 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC70194  Trifolium fucatum J. Burtt Davy 1898-5-1 Contra Costa Region of Mount Diablo, Danville Danville; Region of Mount Diablo, Danville Comment
  UCD109123  Trifolium fucatum P. B. Kennedy 1928-4-28 10097 Contra Costa 2 miles from Tunnel, along highway. Comment
  RSA195421  Trifolium fucatum var. fucatum C. P. Smith 1922-5-20 3532 Contra Costa Lafayette - trolly line. Comment
  RSA90945  Trifolium fucatum var. fucatum F. W. Peirson, Mabel B. Peirson 1926-4-10 6638 Contra Costa Between Walnut Creek and Martinez. Comment
  RSA90947  Trifolium fucatum var. fucatum J. T. Howell 1933-5-14 11237 Contra Costa St. Mary's College. Comment
  UC33592  Trifolium gracilentum J. P. Tracy 1900-3-24 622 Contra Costa Point Richmond 15 Comment
  UC555592  Trifolium gracilentum H. L. Mason 1928-4-13 4301 Contra Costa Richmond waterfront Comment
  UC692679  Trifolium gracilentum Mary L. Bowerman 1932-4-27 1389 Contra Costa w Riggs Canyon (Oyster ridge, s face of canyon); Mount Diablo Comment
  JEPS100105  Trifolium hirtum G. Smick 2003-4-8 GAS 124 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA29541  Trifolium microcephalum D. G. Kelch, Troy MacGregor 2009-5-1 9 .271 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC16618  Trifolium microcephalum W. H. Brewer 1862-4-30 1020 Contra Costa Camp 69 Walnut Creek Comment
  UCD35902  Trifolium microcephalum Beecher Crampton 1966-4-26 7666 Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  UC1130084  Trifolium microdon C. M. Belshaw 1936-5-7 2043 Contra Costa 2 mi s San Ramon; Mt. Diablo quadrangle 274 Comment
  UC692248  Trifolium microdon Mary L. Bowerman 1931-4-25 752 Contra Costa 2 mi from west entrance (=North Gate); Mount Diablo Comment
  UC692255  Trifolium microdon Mary L. Bowerman 1933-5-17 2111 Contra Costa due s Olafson's barn (branch of Curry Canyon, on ridge between the two forks of the canyon); Mount Diablo Comment
  POM300711  Trifolium obtusiflorum Mary L. Bowerman 1930-6-28 396 Contra Costa Lower Silver Spring Comment
  UC16685  Trifolium oliganthum J. Burtt Davy 1895-4-13 1002 Contra Costa San Pablo Creek Comment
  UC630888  Trifolium oliganthum Mrs. K. Brandegee may 1907 Contra Costa Antioch Comment
  JEPS4442  Trifolium oliganthum W. L. Jepson 1891-6-9 13698 Contra Costa Fish Ranch Comment
  UC555403  Trifolium oliganthum H. L. Mason 1929-3-29 5131 Contra Costa 2 mi above Clayton (Marsh Creek Rd) Comment
  UCD32493  Trifolium olivaceum Beecher Crampton 1950-4-22 534 Contra Costa Contra Costa County, along State Highway 4, in Concord Valley. 30 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
  JEPS102894  Trifolium tomentosum Barbara Ertter 1998-5-3 16063 Contra Costa NW end of connector trail between BBQ Terrace Road and Wall Point Road Mount Diablo State Park 365 Comment
  JEPS125936  Trifolium tomentosum D. W. Taylor 2001-3-28 17620 Contra Costa Berkeley Hills; on slopes about 0.75 miles S of Hwy 24 at E portal of the Caldecott Tunnel Comment
  UCR263551  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa San Francisco Bay Region, Richmond Field Station 6 Comment
  UC165603  Trifolium variegatum var. melananthum J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC16776  Trifolium variegatum var. melananthum J. Burtt Davy 1900-3-24 6515 Contra Costa Stege; Western MIddle California, Stege Comment
  JEPS70759  Trifolium willdenovii L. R. Heckard 1971-4-22 2493 Contra Costa e Pinole (rr grade near US Hwy 80 crossing) Comment
  UC1057455  Trifolium willdenovii G. Thomas Robbins 1937-4-17 133 Contra Costa near Point Richmond Comment
  UC16751  Trifolium willdenovii W. H. Brewer 1862-5-23 1151 Contra Costa se Mt. Diablo Comment
  UC16757  Trifolium willdenovii W. H. Brewer 1862-5-12 1076 Contra Costa Mt. Diablo Comment
  UC1948963  Trifolium willdenovii William J. Ferlatte, L. Maynard Moe 1970-4-27 1261 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC555578  Trifolium willdenovii H. L. Mason 1929-4-25 5206 Contra Costa Marsh Creek Rd Comment
  UC630906  Trifolium willdenovii P. B. Kennedy 1907-5-5 Contra Costa Lake Merritt Oakland Comment
  UC692240  Trifolium willdenovii Mary L. Bowerman 1935-4-12 2816 Contra Costa 2 mi from entrance = North Gate (w rd = n rd); Mount Diablo 259 Comment
  POM300698  Trifolium willdenovii Mary L. Bowerman 1933-5-11 2083 Contra Costa Inner Black Hills: Grassy ridge, west end. Comment
  RSA32719  Trifolium willdenovii A. A. Heller 1938-4-9 15017 Contra Costa 3 miles southwest of Antioch. Comment
  SBBG40328  Trifolium willdenovii W. J. Dress 1951-5-9 3311 Contra Costa just W of Orinda Comment
  UC555573  Trifolium willdenovii H. L. Mason 1929-3-29 5132 Contra Costa 2 mi above Clayton (Marsh Creek Rd) Comment
  JEPS127670  Triglochin scilloides Barbara Ertter with David Gowen and Michael Park 2017-5-2 22800 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UCD139902  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  UCD139903  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  CAS-BOT-BC133382  Trillium ovatum P. Raven 1949-3-26 193 Contra Costa Redwood [Canon] Canyon Comment
  UC1211917  Triphysaria eriantha subsp. eriantha John H. Weiler 1961-3-7 6127 Contra Costa at the junction of Byron Road and Holey Road Comment
  UC1586061  Triphysaria eriantha subsp. eriantha Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8125 Contra Costa ca 15 air mi sw Stockton (se Contra Costa County); adjacent to Clifton Court Forebay 0 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
  CHSC116658  Triphysaria pusilla Lowell Ahart; Josephine Guardino 2016-4-19 20780 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
  JEPS49755  Triphysaria pusilla Rimo Bacigalupi, and Alice Howard, and Paul Hutchison 1967-3-29 9221 Contra Costa w slope Las Trampas Ridge (upper reaches of Bolinger Canyon); , w slope Las Trampas Ridge 381 Comment
  JEPS65194  Triphysaria pusilla L. R. Heckard 1971-4-15 2473 Contra Costa along Morgan Territory road 7 mi n of its intersection with Manning road e Mt. Diablo; e of Mt. Diablo 487 Comment
  UC691567  Triphysaria pusilla Mary L. Bowerman 1935-4-12 2810 Contra Costa West (= North Rd) road immediately w of east line of section 33 Mount Diablo (across the stream from the road) 167 Comment
  UCD93500  Trisetum canescens Beecher Crampton 1956-5-14 3423 Contra Costa 2 miles west of Martinez, on road to Crockett. Comment
  CDA9474  Triteleia laxa D. G. Kelch 2004-3-13 4 .039 Contra Costa East Bay; Corner of Deer Valley Rd. and Briones Valley Rd. Comment
  CHSC22959  Triteleia laxa Robert A. Schlising; Et al. 1962-4-7 2144 Contra Costa Along road by Antioch Reservoir. Comment
  UC3318  Triteleia laxa W. H. Brewer 1862-4-25 995 Contra Costa Martinez Comment
  RSA378002  Triteleia laxa D. G. Nichols 1940-3-31 4 Contra Costa 5 miles west Byron on road from Byron to Clayton 146 Comment
  SD39092  Triteleia laxa Mc Callum 1933-4-24 3700 Contra Costa Adobe field near wlnut Creek. Comment
  SEINET11268160  Triteleia laxa Barbara Ertter 1998-4-4 15970 Contra Costa Northwest of Mount Diablo, Fossil Hill, Middle of NE-facing slope.; 0 122 Comment
  SEINET3127299  Triteleia laxa H. A. Walker 1906-1 148 Contra Costa Vicinity of Berkeley Comment
  JEPS100033  Triticum aestivum S. O'Neil 2003-5-8 SEO 32 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99563  Triticum aestivum Mary Bowerman 1978-5-21 Contra Costa Mount Diablo, E side Hetherington Loop. Comment
  CAS-BOT-BC67349  Tropidocarpum capparideum Edw. L. Greene 1889-3-23 s.n. Contra Costa Byron. Comment
  CAS-BOT-BC67410  Tropidocarpum gracile James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  SEINET3404423 Image available Tropidocarpum gracile Lewis S. Rose 1934-3-21 34066 Contra Costa Clayton, 6 miles East of Clayton Comment
  JEPS123184  Tropidocarpum gracile David Gowen 2009-5-12 1021 Contra Costa East of Las Trampas Ridge on Del Amigo Trail, near saddle northeast of junction with Sulpher Springs Trail. Comment
  POM204031  Tropidocarpum gracile L. S. Rose 1934-3-21 34066 Contra Costa 6 mi E of Clayton. Comment
  CAS-BOT-BC80208  Tsuga mertensiana subsp. grandicona Phil Blumberg; M. Polland; R. Barnet; J. MacCarthy 1962-8-7 s.n. Contra Costa Bryan Meadows Comment
  UC1241770  Typha Malcolm A. Nobs and S. Galen Smith 1949-6-28 879 Contra Costa on road to Martinez about two mi s Crockett Comment
  SD45082  Ulex europaeus W. W. Jones 1927-10-27 Contra Costa Crockett Comment
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Jul 11 2010
  CDA24512  Umbellularia californica D. G. Kelch 2007-3-24 7 .082 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  JEPS112485  Umbellularia californica D. G. Kelch 2004-3-5 04 .13 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 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
  OBI13419  Umbellularia californica H. E. McMinn, E. Maino 1931-2-15 13 Contra Costa Leona Heights Comment
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May 22 2013
  UC1795024  Uropappus lindleyi R. K. Brummitt and B. Ertter 1998-5-13 19837 Contra Costa Mt Diablo, just below summit on S side 1000 Comment
  UC691468  Uropappus lindleyi Mary L. Bowerman 1933-5-9 2060 Contra Costa Muir Area , Muir Area (Mount Diablo) Comment
  JEPS35632  Uropappus lindleyi W. L. Jepson 1896-5-31 Contra Costa Wild Cat Canyon Comment
  UC1538811  Urospermum picroides Mark Blumler 1986-6-22 Contra Costa 1 mi e Grizzly Peak Blvd. (overlooking freeway) Comment
  UCR254746  Urtica dioica Peter Rubtzoff 1968-9-18 5963 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  UC692059  Urtica dioica subsp. holosericea Mary L. Bowerman 1932-11-25 1665 Contra Costa Mount Diablo, Silver Spring Silver Spring; Mount Diablo, Silver Spring Comment
  JEPS111917  Urtica urens Dean G. Kelch and Andrew G. Murdock 2004-3-5 DGK 04 .009 Contra Costa Sky Ranch. Dutra Fire Road. Franklin Canyon. Comment
  JEPS77020  Vaccinium ovatum Robert M. Lloyd 1963-3-17 2145 Contra Costa 0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline (across from 7090 Skyline)) Comment
  UC1121122  Vaccinium ovatum R. W. Lundh 1933-1-12 186 Contra Costa 0.5 mi s Round Mt.; Concord Quad. 609 Comment
  UC1714515  Verbascum blattaria unknown July 1892 Contra Costa Redwood Peak Comment
  POM312406  Verbena hastata Malcolm A. Nobs, S. Galen Smith 1949-7-8 942 Contra Costa Otto's Black Bass Resort, 4 miles north of Kingston. Comment
  UC691535  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-6-28 393 Contra Costa Lower Silver Spring: Edge of marshy spot. Comment
  CDA5675  Verbena venosa R. DeBoer 1965-9-3 Contra Costa 4536 Elmwood Road, El Sobrante . 0 Comment
  UC691655  Veronica americana Mary L. Bowerman 1930-6-28 394 Contra Costa Mount Diablo, Lower Silver Spring Lower Silver Spring; Mount Diablo, Lower Silver Spring Comment
  CHSC21626  Veronica serpyllifolia subsp. serpyllifolia Willis Ball 1975-3-26 510 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds e of restroom facilities. 30 Comment
  CAS-BOT-BC267240  Viburnum ellipticum Mary L. Bowerman; Walter & Irja Knight 1967-11-6 2301 Contra Costa Near Curry Park in Morgan Territory, Sulphur Spring Canyon, half way between canyon source and active spring, 15 yards above creek 365 Comment
  UC1789196  Viburnum rigidum Barbara Ertter 2001-10-29 17810 Contra Costa Tilden Regional Park, Selby Trail and Wildcat Gorge upstream from Lake Anza, understory of mixed forest. Occasional lax shrub to 2--3 m tall. Comment
  UC1050612  Viburnum suspensum N. Floy Bracelin 1942-2-15 1905 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050363  Viburnum trilobum N. Floy Bracelin 1943-7-25 2187 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA600829  Vicia americana Joseph A. Ewan 1934-4-8 8750 Contra Costa Mt. Diablo: South Fork Marsh Creek. Comment
  UC16958  Vicia americana var. americana unknown 1862-4-18 1016 Contra Costa Mt. Diablo Comment
  UC74935  Vicia americana var. americana unknown 1903-4-27 2793 Contra Costa Byron Comment