Search Results — 2000 specimen records retrieved (1375 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/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR263553  Acacia cyclops Barbara Ertter 1990-10-14 9660 Contra Costa San Francisco Bay Region, Point Isabel Regional Shoreline on San Francisco Bay in southwest El Cerrito, at end of Rydin Road 5 Comment
  CDA34008  Acacia melanoxylon D. G. Kelch 2011-3-31 11 .082 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  UC1607582  Acacia melanoxylon Barbara Ertter 1991-5-12 9815 Contra Costa in sw corner of El Cerrito (Point Isabel Regional Shoreline, along old railroad right-of-way between bay and salicornia marsh, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline Comment
  UC1050943  Acacia pycnantha N. Floy Bracelin 1942-8-16 2256 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050368  Acacia verticillata N. Floy Bracelin 1942-7-4 2172 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC436989  Acaena pinnatifida var. californica John Thomas Howell 1933-5-14 11285 Contra Costa Hills east of St. Mary's College Comment
  UC1745531  Acer macrophyllum Annetta M. Carter, Florence Little 1937-4-4 1228 Contra Costa Las Trampas Canyon about 1/2 mi. E of St. Mary's College. Comment
  UC692719  Acer macrophyllum Mary L. Bowerman 1931-3-21 605 Contra Costa Sycamore Canyon Mount Diablo, Sycamore Canyon Comment
  UC691726  Achillea millefolium Mary L. Bowerman 1931-4-25 751 Contra Costa 2 mi by road from Mt. Diablo West Entrance; Mount Diablo Comment
  RSA762306  Achillea millefolium William J. Ferlatte, L. M. Moe 1970-4-27 1227 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CDA25241  Achyrachaena mollis D. G. Kelch, D. A. Weinstein 2008-4-15 08 .047-B Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  JEPS36721  Achyrachaena mollis Anna E. Ehlers 1920-5-23 582 Contra Costa Trampas Canon Comment
  UCD164888  Achyrachaena mollis Henry House 1995-4-30 1995- 7 Contra Costa About 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  JEPS127096  Acmispon americanus var. americanus Lowell Ahart, Josephine Guardino 2016-4-19 20761 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  RSA0068490  Acmispon brachycarpus Katie Gallagher, Nick Jensen 2014-4-26 184 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UCD104153  Acmispon glaber W. A. Williams 1951-6-8 s.n. Contra Costa Mt. Diablo. Comment
  UC2028996  Acmispon wrangelianus Barbara Ertter 2000-3-30 16913 Contra Costa North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road. Comment
  CDA20180  Acroptilon repens A. Niang 2003-7-9 PDR 1406327 Contra Costa San Francisco Bay Area; 5225 Hidorn Ranch Rd, Brentwood. 0 Comment
  CAS-BOT-BC391601  Actaea rubra Elsie Zeile 1909-4-18 s.n. Contra Costa Redwood Peak Comment
  CAS-BOT-BC133156  Adenostoma fasciculatum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  UC691159  Adenostoma fasciculatum Mary L. Bowerman 1930-6-5 256 Contra Costa w. (North Rd.) 5.8 mi. from entrance Mt. Diablo Comment
  JEPS100160  Adiantum jordanii A. Langston 2003-6-19 AL 52 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS100040  Aesculus californica G. Smick 2003-5-13 GAS 191 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD128633  Agoseris apargioides Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  UC691458  Agoseris grandiflora var. grandiflora Mary L. Bowerman 1935-5-30 3086 Contra Costa Eagle Point Ridge Mount Diablo, Eagle Point Ridge 274 Comment
  UC691805  Agoseris grandiflora var. grandiflora Mary L. Bowerman 1930-6-10 296 Contra Costa near (west road) Mineral Spring Comment
  CAS-BOT-BC22971  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  SEINET6738507 Image available Agoseris heterophylla H. P. Chandler 1901-4-5 976 A Contra Costa Mt. Diablo Comment
  UC1818937  Agoseris heterophylla Barbara Ertter, Mary Bowerman et al. 1995-5-7 14049 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  UC2028118  Agoseris heterophylla Barbara Ertter with Richard K. Brummitt 1998-5-6 16091 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin. Comment
  UC691431  Agoseris retrorsa Mary L. Bowerman 1931-4-25 783 Contra Costa summit Meridian Peak; Mount Diablo Comment
  CHSC116630  Agrostis avenacea Lowell Ahart; Josephine Guardino 2016-4-19 20787 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UCD37372  Agrostis exarata var. pacifica Beecher Crampton 1959-9-3 5455 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  UC2028399  Agrostis hallii Barbara Ertter with Dan Norris 1998-6-18 16217 Contra Costa Rock City area on south side of Mount Diablo, W Fossil Ridge Trail Comment
  CDA29913  Agrostis pallens D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .335 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  RSA151831  Aira caryophyllea Leo Koch, Brian Koch 1947-4-20 1343 Contra Costa between golf course and railroad, 0.5 mile south of Giant. 3 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
  CAS-BOT-BC175357  Allenrolfea occidentalis David D. Keck 1933-8-23 2515 Contra Costa Byron Hot Springs, eastern Contra Costa County Comment
  CAS-BOT-BC175361  Allenrolfea occidentalis J. W. Congdon 1889-6-19 s.n. Contra Costa Byron Springs Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  UC70201  Allenrolfea occidentalis J. Burtt Davy May 1898 Contra Costa Byron Springs Region of Mt. Diablo, Byron Springs Comment
  RSA411795  Allenrolfea occidentalis E. E. Stanford 1930-5-24 1520 Contra Costa Near Byron. Comment
  CAS-BOT-BC459418  Allium acuminatum Mary L. Bowerman 1930-6-14 329 Contra Costa Meridian Peak Summit, North slope, Mount Diablo Comment
  RSA70452  Allium falcifolium L. S. Rose 1935-5-16 35164 Contra Costa Mt. Diablo. Comment
  UC188708  Allium falcifolium J. W. Congdon 1896-5-30 Contra Costa Summit Mt. Diablo Mt. Diablo Comment
  UC64077  Allium serra H. M. Hall 1900-3-23 Contra Costa Lauterwasser Creek Comment
Read comments
Jul 22 2008
  CAS-BOT-BC475529  Allium serra Alice Eastwood 1922-5-21 11321 Contra Costa Arroya del Valle near Livermore Comment
  CAS-BOT-BC475536  Allium serra L. R. Abrams 1921-5-15 8052 Contra Costa At Spring 4 1/2 miles from Summit, Mt Diablo Comment
  UC2013015  Allium serra Barbara Ertter 1991-5-5 9782 Contra Costa Black Diamond Mines Regional Preserves S of Pittsburg, N-facing slope below Black Diamond Trail in SW corner of park. Comment
  UC2027774  Allium unifolium Barbara Ertter with Holly Forbes 1997-4-20 15566 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC691631  Allophyllum divaricatum Mary L. Bowerman 1933-5-2 1941 Contra Costa below Pioneer Camp (Mt. Diablo); Mt. Diablo 762 Comment
  UC908478  Allophyllum gilioides subsp. gilioides Herbert L. Mason 1928-1 4427 Contra Costa s. slope Mt. Diablo (Sycamore Canyon); , Sycamore Canyon Comment
  CAS-BOT-BC170932  Alnus rhombifolia Alice Eastwood 1914-2-24 3732 Contra Costa Antioch Comment
  JEPS111823  Alnus rhombifolia D. G. Kelch 2005-5-13 05 .245 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks 28 Comment
  UC1135145  Alnus rhombifolia R. W. Lundh 1932-9-22 170 Contra Costa Sycamore Creek Mt. Diablo Quadrangle 228 Comment
  UC13501  Alnus rhombifolia W. C. Blasdale 1891-3-7 Contra Costa San Pablo Comment
  UC34816  Alnus rhombifolia W. C. Blasdale 1896-2-29 Contra Costa Clayton Comment
  UC692033  Alnus rhombifolia Mary L. Bowerman 1930-8-24 421 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC37122  Alopecurus saccatus W. H. Brewer 1862-5-1 1042 Contra Costa Walnut Creek Comment
  CDA3269  Amaranthus albus A. G. Murdock, D. G. Kelch 2004-5-28 303 Contra Costa Carquinez Strait; Luzon. Comment
  UC1602202  Amaranthus californicus Mary L. Bowerman 1935-7-22 3188 Contra Costa s side Meridian Peak; Mount Diablo, Hidden Pond 518 Comment
  UC2027912  Amaranthus californicus Barbara Ertter 2000-9-30 17537 Contra Costa West side Mount Diablo, pond on west side of Briones-Mount Diablo Trail south of Stonegate Trail junction. Comment
  CDA7886  Amaranthus deflexus D. G. Kelch, A. G. Murdock 2004-7-9 04 .291-B Contra Costa Carquinez Strait; Crockett; Edwards Creek, immediately below high school. Comment
  UC2028560  Amaryllis belladonna Barbara Ertter with Mary Barkworth 2000-9-24 17528 Contra Costa North side Mount Diablo, near former well at Donner Cabin site on Donner Creek. Comment
  JEPS111728  Ambrosia chamissonis D. G. Kelch 2004-7-9 04 .312 Contra Costa Rodeo Shore 2 Comment
  UCD128783  Ambrosia chamissonis G. Thomas Robbins; John Weiler 1959-5-23 4021 Contra Costa Brooks Island (its north-western extension), San Francisco Bay, Richmond. 7 Comment
  CHSC97944  Ambrosia trifida J. Clark; C. Beutler 1976-9-1 Contra Costa Residential property, 2161 Youngs Court, Walnut Creek. Comment
  UC12066  Amelanchier utahensis W. H. Brewer 1862-5-1 1036 Contra Costa s of Camp 69 Comment
  UCR197916  Amsinckia Beecher Crampton 1950-4-22 522 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  CAS-BOT-BC222219  Amsinckia John Thomas Howell 1934-4-8 11826 Contra Costa South of Antioch Comment
  CAS-BOT-BC222234  Amsinckia John Thomas Howell 1933-3-29 10913 Contra Costa Nortonville hills Comment
  CHSC23358  Amsinckia intermedia Willis Ball 1975-3-2 475 Contra Costa Contra Loma Regional Park. In area #5. On w side of largest hill ca. 100 yds ne of main boat ramp at the s end of the reservoir. 45 Comment
  UC1084555  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-5-4 2274 Contra Costa 0.7 mi west of Inspiration Point (and road e to; and Orinda-Richmond Road); Tilden Park Comment
  UC1178260  Amsinckia intermedia Francia Chisaki 1954-3-25 574 Contra Costa Mount Diablo; Mount Diablo State Park Comment
  RSA0069374  Amsinckia intermedia Katie Gallagher, Nick Jensen 2014-4-26 215 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  SD126014  Amsinckia intermedia Alfred Sattler 1972-4-2 16 Contra Costa Concord, Southeast corner of Wilson Lane and West Street Comment
  UC762762  Amsinckia intermedia R. F. Hoover 1938-4-20 3179 Contra Costa between Resevoir and San Pablo Comment
  UCD119619  Amsinckia intermedia John Thomas Howell 1933-5-14 11224 Contra Costa St. Mary's College. Comment
  CAS-BOT-BC222462  Amsinckia lunaris Francia Chisaki; Peter Kamb 1952-5-4 2275 Contra Costa Bear Creek Road, 1.5 miles east of Orinda-Richmond road (leaving this road ca. 1 mile north of Orinda) Comment
  JEPS25425  Amsinckia lunaris Rimo Bacigalupi with G. T. Robbins 1959-4-24 7042 Contra Costa just n of summit of Hampton Road (1/2 mi n of junction with Bear Creek Road) 228 Comment
  RSA125789  Amsinckia lunaris Francia Chisaki, Peter Kamb 1952-5-4 2275 Contra Costa Bear Creek Road, 1.5 miles east of Orinda-Richmond road (leaving this road ca. 1 mile north of Orinda) Comment
  UC1084623  Amsinckia lunaris Francia Chisaki, Peter Kamb Ray 1952-5-4 2275 Contra Costa 1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road Comment
  CAS-BOT-BC222459  Amsinckia lunaris R. F. Hoover 1938-4-20 3178 Contra Costa San Pablo Reservoir, (lower end) Comment
  UC762089  Amsinckia lunaris Robert F. Hoover 1936-4-16 975 Contra Costa East slope of Bald Park. Comment
  SD71393  Amsinckia lycopsoides John Thomas Howell 1933-5-14 11225 Contra Costa St. Mary's College Comment
  UC24601 Image available Amsinckia lycopsoides J. Burtt Davy 1895-4-7 887 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  SD71397  Amsinckia menziesii John Thomas Howell 1933-5-14 11224 A Contra Costa St. Mary's College Comment
  CDA9522  Amsinckia tessellata var. tessellata D. G. Kelch, Michael Park, Abigail Moore 2007-5-2 7 .252 Contra Costa Altamont Hills; Frontage Rd. S. of Patterson Pass Rd. & I-580 Comment
  JEPS25509  Amsinckia tessellata var. tessellata R. F. Hoover 1938-3-25 2894 Contra Costa Markley Canyon Comment
  UC161764  Amsinckia tessellata var. tessellata C. M. Belshaw 1936-5-9 2084 Contra Costa 1/2 mi n Nortonville 274 Comment
  SBBG122786  Anagallis arvensis B. Ertter 1993-5-7 11717 Contra Costa horse trail SE of Vollmer Peak, E of Tilden Park steam trains 518 Comment
  UC691832  Anagallis arvensis Mary L. Bowerman 1931-4-4 635 a Contra Costa 2 mi. by rd. from west entrance (=North Gate) Mt. Diablo Comment
  UC691833  Anagallis arvensis Mary L. Bowerman 1930-6-28 389 Contra Costa Mt. Diablo, Lower Silver Spring Comment
  RSA465156  Anagallis arvensis Ynez Whilton Winblad 1935-4-18 s.n. Contra Costa Taken north of Pinole. Comment
  CAS-BOT-BC45254  Ancistrocarphus filagineus Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC400256  Anemopsis californica A. D. E. Elmer 1903-6-1 4870 Contra Costa Walnut Creek Comment
  JEPS112258  Anemopsis californica D. G. Kelch 2004-6-6 04 .226 Contra Costa Martinez - Train Station; Downtown Martinez. Alhambra Creek near bay and railroad station. Comment
  UC672438  Anemopsis californica Herbert L. Mason 1929-9-21 5437 Contra Costa 3 mi above Clayton (Marsh Creek Road); Marsh Creek Road Comment
  UCD137934  Anemopsis californica Irene Brown 1959-4-29 112 Contra Costa Contra Costa COUnty: west side of road; State Highway 21, ca. 1.5 miles north of junction with U.S. Highway 50. Comment
  UC692259  Angelica californica Mary L. Bowerman 1932-5-6 1420 Contra Costa Mount Diablo, Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon 228 Comment
  SBBG33408  Antirrhinum vexillocalyculatum A. D. E. Elmer -Jun-1903 4809 Contra Costa Mount Diablo Comment
  CAS-BOT-BC27067  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adolph Daniel Edward Elmer 1903-6-1 4809 Contra Costa Mt. Diablo Comment
  UC691600  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mary L. Bowerman 1932-9-3 1535 Contra Costa Muir Area; Mount Diablo Comment
  UC2029066  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Barbara Ertter 2000-7-29 17438 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 Comment
  UC2027940  Apiastrum angustifolium Barbara Ertter with Tony Morosco and other CNPS members 2001-5-6 17621 Contra Costa Northwest flank of Mount Diablo, trail on west face of Black Point. Comment
  UC2046342  Apium graveolens Barbara Ertter July 1999 s.n. Contra Costa Cerrito Creek just east of Pierce Street. Alameda/Contra Costa County line. Comment
  RSA0125502  Arabis breweri E. W. Hicks 1917-3-24 111 Contra Costa Mt. Diablo. 1067 Comment
  UC10113 Image available Arabis breweri Wm. H. Brewer 1862-5-14 1086 Contra Costa rocky summit of Mt. Diablo on eastern peak Comment
  UCSC000302  Arabis breweri Carl Meyer 1928-2-22 283 Contra Costa Mount Diablo Comment
  JEPS111945  Arbutus menziesii D. G. Kelch 2004-9-2 04 .339 Contra Costa Martinez - West: Ozol Rock and Scenic Drive. East of Ozol 30 Comment
  UC1078914  Arceuthobium campylopodum Job Kuijt 1958-1-12 1444 Contra Costa Little Rock City Mount Diablo Comment
  CAS-BOT-BC24111  Arctostaphylos auriculata Walter Knight; Irja Knight 1968-2-19 2276 Contra Costa Sandmine ravine in Somersville Comment
  CAS-BOT-BC27223  Arctostaphylos auriculata Alice Eastwood 1903-2-22 s.n. Contra Costa Mt. Diablo 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
  POM203167  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa 8 miles NE Danville, S slope of Mt. Diablo. Comment
  POM300661  Arctostaphylos auriculata Mary L. Bowerman 1933-3-25 1772 Contra Costa Emmons Canyon: South-facing slope between the two forks, top of ridge (Pine Canyon ridge) Comment
  RSA164646  Arctostaphylos auriculata Percy C. Everett 1963-11-19 24550 Contra Costa Mt Diablo. 457 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
  RSA622483  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27593 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  UC692484  Arctostaphylos auriculata Mary L. Bowerman 1932-2-13 1086 Contra Costa on ridge between main forks of canyon Mount Diablo; , Alamo Canyon Comment
  UC697791  Arctostaphylos auriculata Mary L. Bowerman 1932-9-5 1547 Contra Costa near firebreak which runs s from large spur (on meridian) heading into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UCD50262  Arctostaphylos auriculata Roman Gankin 1968-11-14 1311 Contra Costa Ca. 300 yds. above road at Somersville. Comment
  UCD50263  Arctostaphylos auriculata Roman Gankin 1968-11-14 1310 Contra Costa Ca. 300 yds. above the road at Somersville. Comment
  CHSC83112  Arctostaphylos canescens subsp. sonomensis Walter Knight 1968-1-15 Contra Costa Tilden Park Bot. Gard. Comment
  CAS-BOT-BC23596  Arctostaphylos crustacea John Thomas Howell 1925-9-19 1446 Contra Costa Moraga Ridge, Oakland Hills Comment
  CAS-BOT-BC23552  Arctostaphylos crustacea Neil Havlik; Walter Knight 1982-11-12 4548 Contra Costa Briones Regional Park adjacent to russell Tree Farm. 327 Comment
  CAS-BOT-BC23599  Arctostaphylos crustacea Stephen W. Edwards 1981-1-5 1001 Contra Costa Browne's Regional Park, on ridge facing Russell Tree Farm. Comment
  SEINET11987135  Arctostaphylos crustacea S. W. Edwards 1981-1 1001 Contra Costa Briones Regional Park, on ridge facing Russell Tree Farm Comment
  UCSB26113  Arctostaphylos crustacea subsp. crustacea Lee, Edward 1935-12-28 Contra Costa Western end of Las Trampas Ridge; (T1S, R2W, Sect. 22, Concord Quadrangle) 426 Comment
  CAS-BOT-BC24850  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 Contra Costa Contra Costa Co. Comment
  UC1120326  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1938-10-27 454 Contra Costa head of Sycamore Creek Mount Diablo Quadrangle Comment
  UC1120336  Arctostaphylos glandulosa subsp. glandulosa R. C. Wilson 1935-2-26 105 Contra Costa 1 mi sw Nortonville; Mount Diablo Quadrangle Comment
  CAS-BOT-BC24654  Arctostaphylos glauca Mary L. Bowerman 1930-6-22 362 Contra Costa Mount Diablo, Mitchell Canyon. Comment
  CAS-BOT-BC24659  Arctostaphylos glauca H. E. McMinn 1922-10-17 411 Contra Costa From Mitchell Canyon, Mt. Diablo. Comment
  CAS-BOT-BC24661  Arctostaphylos glauca Charles M. Belshaw 1936-10-26 2720 Contra Costa 3/4 mi. ne. of North peak, Mt. Diablo. 609 Comment
  POM367324  Arctostaphylos glauca Mark Morris 1929-03 14911 Contra Costa Mt. Diablo. Comment
  RSA164645  Arctostaphylos glauca P. C. Everett 1963-11-19 24551 Contra Costa Juniper Camp, Mt. Diablo. Comment
  RSA632814  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27578 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA632823  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27581 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  SEINET11977789  Arctostaphylos manzanita M. T. Doutt 1930-1 85 Contra Costa Marsh Creek Comment
  UCSB22281  Arctostaphylos manzanita McMinn, H. 1936-4-11 Contra Costa Mt. Diablo; head of Sycamore Canyon Comment
  CAS-BOT-BC38878  Arctostaphylos manzanita subsp. laevigata Rimo Bacigalupi 1924-2-17 s.n. Contra Costa Lower slopes of Mt. Diablo on old wagon road to summit from Mt. Diablo Country Club (Black Hills) 457 Comment
  UC549595  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-10-6 849 Contra Costa Mount Diablo Comment
  UC549752  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 686 Contra Costa Mt. Diablo Comment
  UC549753  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 684 Contra Costa Mt. Diablo Comment
  UC692217  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-1-30 1084 Contra Costa near firetrail w northeast fork of Sycamore Creek ((turn off ridge at fence where main ridge bends abruptly to north, follow fence)); Mount Diablo, Inner Black Hills 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
  UCD51727  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-2-26 112 Contra Costa 3/4 mile southwest of Somersville. 411 Comment
  CAS-BOT-BC24382  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1980-3-16 3713 Contra Costa Opposite 5996 Skyline Drive, El Sobrante. Comment
  CAS-BOT-BC24396  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; James B. Roof 1967-4-2 2061 Contra Costa Nortonville. Comment
  CAS-BOT-BC24399  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1938-6-24 3693 Contra Costa Mount Diablo, Road 8.9 mi. from North Gate: crest or ridge above road (below Pines Picnic Area). 792 Comment
  CAS-BOT-BC42230  Arctostaphylos pallida H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  SBBG114892  Arctostaphylos pallida C. Bornstein 1999-3-20 Contra Costa Sobrante Ridge Regional Preserve 243 Comment
  POM127991  Arctostaphylos stanfordiana subsp. stanfordiana R. C. Bacigalupi 1924-2-17 s.n. Contra Costa Lower slopes of Mt. Diablo, on old wagon road to summit from Diablo Country Club. (Black Hills). 457 Comment
  JEPS48825  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27508 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS48826  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27507 Contra Costa Moraga Ridge Oakland Hills Comment
  SD107640  Arctostaphylos tomentosa subsp. crustacea Stephen W. Edwards 1981-1-5 1001 Contra Costa Biones Regional Park, from ridge facing Russell Tree Farm Comment
  UC1120187  Arctostaphylos tomentosa subsp. crustacea R. C. Wilson 1935-3-14 8156 Contra Costa 2 mi w Cave Pt.; Mt. Diablo Quadrangle Comment
  UC549412  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-19 677 Contra Costa Rock City Mount Diablo Comment
  UC692227  Arctostaphylos tomentosa subsp. crustacea Mary L. Bowerman 1931-3-1 543 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UCD51867  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1702 Contra Costa Western end of Las Tampas Ridge, Contra Costa County. 426 Comment
Read comments
Jul 2 2011
  CDA24528  Argemone munita subsp. rotundata Morgan 1958-5-16 Contra Costa Morgan Territorial Road, Clayton. 0 Comment
  CAS-BOT-BC102185  Argyranthemum foeniculaceum William Lidicker 1967-4-13 s.n. Contra Costa Brooks Island, San Francisco Bay 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
  JEPS75532  Aristolochia californica P. F. Yorks 1974-2-10 109 Contra Costa n of Briones Reservoir (1.6 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  UC6151  Aristolochia californica Harley P. Chandler 1901-3-22 866 Contra Costa Port Costa San Francisco Bay Region, Port Costa 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
  SEINET10669563  Arnica cordifolia John G. Lemmon 1872-1 Lemmon s.n. Contra Costa Summit of Mount Diablo. Comment
  UC691351  Arnica discoidea Mary L. Bowerman 1931-5-16 849 Contra Costa summit Meridian Peak; Mount Diablo Comment
  CDA37337  Artemisia biennis D. G. Kelch 2010-10-31 10 .442 Contra Costa Valley north of Alhambra Valley Rd., south of Pinole Peak, east of Hercules. Comment
  JEPS111683  Artemisia douglasiana D. G. Kelch 2003-8-13 03 .139 Contra Costa Pinole Creek 68 Comment
  UC2028460  Artemisia douglasiana Barbara Ertter 1997-9-7 15794 Contra Costa North side Mount Diablo, Donner Creek crossing at south end of Hetherington Trail Comment
  HSC29723  Arundo donax J. D. Ackerman, A. M. Montalvo 1973-12-20 124 Contra Costa Hwy. 4 at Byron Comment
  UC1607658  Asarum caudatum Barbara Ertter, Chris Thayer 1993-5-7 11698 Contra Costa on Wildcat Canyon Road Hopkins Spring 1/2 mi se Inspiration Point (East Bay Municipal Utilities District Land e of Tilden Park); e of Tilden Park, Hopkins Spring 304 Comment
  RSA0031304  Asclepias californica Barbara Ertter 2000-5-14 17019 Contra Costa Donner Basin on north side of Mount Diablo, upper end of Falls Trail near junction of Cardinet Oaks Road. 427 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
  UC2013059  Asclepias fascicularis Barbara Ertter with Mary 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
  UC2013060  Asclepias fascicularis Barbara Ertter with Mary 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
  JEPS79589  Aspidotis californica Edward Lee 1978-12-20 Contra Costa Devil's Elbow trail Mt Diablo 1036 Comment
  RSA721531  Aster chilensis Mary L. Bowerman 1993-10-19 s.n. Contra Costa Mount Diablo. Marsh Creek near Russelman Road. Comment
  POM19312  Astragalus asymmetricus Katherine Brandegee 1908-1 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC180527  Astragalus asymmetricus Ira L. Wiggins 1930-4-17 4562 Contra Costa Near Montain House, Altamont Pass. Comment
  JEPS116726  Astragalus asymmetricus David Gowen 2006-4-22 544 Contra Costa South of Byron airport on Byron Springs Rd. Comment
  CAS-BOT-BC177885  Astragalus didymocarpus var. didymocarpus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC178476  Astragalus gambelianus Alice Eastwood 1923-5-4 11722 Contra Costa Mt. Diablo Comment
  JEPS68949  Astragalus gambelianus Edward Lee 1935-3-10 1278 Contra Costa Kirker Pass, Donovan Rd. (w. watershed of Kirker Creek) Comment
  UC659396  Astragalus gambelianus Lincoln Constance, Carl W. Sharsmith with Howard S. Reed 1940-4-27 2572 Contra Costa base of Mount Diablo , Pine Canyon (Pine Canyon) 304 Comment
  POM264824  Astragalus gambelianus Lincoln Constance, Carl W. Sharsmith 1940-4-27 2572 Contra Costa Pine Canyon, base of Mt Diablo 305 Comment
  SEINET12162892  Astragalus oxyphysus W. Knight, Knight, I. 1982-1 4498 Contra Costa Tilden Botanic Garden, Berkeley, ca originally collected nr Somersville Comment
  UC1713776  Athysanus pusillus T. S. Brandegee April, 1871 Contra Costa Antioch Comment
  UC673344  Athysanus pusillus H. L. Mason 1929-3-29 5117 Contra Costa Mount Diablo 1066 Comment
  UCSB2239  Athysanus pusillus Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Saddle between North and South Peaks of Mount Diablo 883 Comment
  UCD150903  Atriplex argentea James A. Neilson Jr. 1972-10-22 3512 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  CAS-BOT-BC168564  Atriplex cordulata Walter Knight 1977-7-4 s.n. Contra Costa Black Diamond Mines Regional Preserve near Antioch. About 1 mile south of Contra Loma Regional Park 45 Comment
  UC70181  Atriplex fruticulosa J. Burtt Davy May 1898 Contra Costa region Mount Diablo (Livermore Pass); region of Mount Diablo, Livermore Pass Comment
  CDA23285  Atriplex lentiformis subsp. breweri F. T. Swett 1960-9-23 Contra Costa Hill Girt Farm, Alhambra Valley, Martinez. 0 Comment
  UCD97555  Atriplex minuscula Robert E. Preston 1996-7-30 988 Contra Costa on both sides of Greenville Road, 1/2 mile south of I-580. Comment
Read comments
Sep 3 2012
  UCD158699  Atriplex prostrata James A. Neilson Jr. 1972-10-22 3509 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  UCD150911  Atriplex semibaccata James A. Neilson Jr.; Samuel A. Bamberg 1972-10-22 3496 Contra Costa Walnut Creek drainage, west and south of railroad and levees. Elevation estimated using Google Earth by label maker. 3 Comment
  UCD97697  Atriplex semibaccata Clyde L. Elmore 1964-10-6 s.n. Contra Costa 1/2 mile south of Orwood Road, in Orwood Resort, 4-5 miles east of Brentwood. Comment
  UC473576  Atriplex triangularis John Thomas Howell 1931-10-31 8163 Contra Costa Bay Point Comment
  UC697189  Avena barbata Mary L. Bowerman 1933-5-8 2002 Contra Costa Fossil Ridge Mount Diablo (s face, not far from but out of sight of South Gate) 289 Comment
  CAS-BOT-BC146021  Avena barbata Mary L. Bowerman 1933-5-8 2002 Contra Costa Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate. 289 Comment
  CDA19823  Avena fatua P. Akers 2002-5-11 s.n.- 2 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  SD120703  Avena fatua G. D. Barbe 1983-5-22 4081 Contra Costa on hillside along fire road north of Juniper Campground, Mount Diablo State Park 878 Comment
  UC692398  Avena fatua Mary L. Bowerman 1933-4-26 1911 Contra Costa North Peak ridge e se peak (chaparral burn (1931) on s face); Mount Diablo 609 Comment
  UC1523840  Avena sterilis Mark Blumler 1986-6-15 Contra Costa Cerrito Creek Richmond (n bank) Comment
  CAS-BOT-BC98763  Baccharis douglasii Mary L. Bowerman 1942-10-4 3852 Contra Costa Mount Diablo, Russelman Park road 289 Comment
  CAS-BOT-BC98765  Baccharis douglasii Walter Knight; Harry Reeves 1979-8-25 3406 Contra Costa In natural marsh near reservoir. Contra Loma Regional Park near Antioch 22 Comment
  CAS-BOT-BC98767  Baccharis douglasii Elizabeth McClintock; Stephen Rae 1978-8-3 s.n. Contra Costa Near edge of water Suisun Ray - Antioch Comment
  CAS-BOT-BC98611  Baccharis pilularis Walter Knight; I. Knight; S. Rae; B. Doyle; J. T. Howell; E. McClintock 1978-9-5 3208 Contra Costa Browns Island Comment
  CAS-BOT-BC98189  Baccharis salicifolia Walter Knight; I. Knight; J. T. Howell; E. McClintock; S. Rae; B. Doyle 1978-9-5 3207 Contra Costa Browns Island Comment
  CAS-BOT-BC98190  Baccharis salicifolia Mary L. Bowerman 1932-3-23 1134 Contra Costa Mount Diablo - Donner Canyon stream bed. 152 Comment
  CHSC23341  Baccharis salicifolia Willis Ball 1975-3-26 514 Contra Costa Contra Loma Regional Park. In area #2. On W side of lake ca. 30 yds. N of boat ramp on W side of lake. 30 Comment
  UC691860  Baccharis salicifolia subsp. salicifolia Mary L. Bowerman 1932-3-23 1134 Contra Costa Mount Diablo, Donner Canyon 152 Comment
  SEINET7881864 Image available Baeria fremontii Herbert L. Mason 1952-1 14260 Contra Costa 3.5 miles south of Byron Comment
  SEINET3387286 Image available Baeria gracilis Lewis S. Rose 1932-3-15 3276 Contra Costa open fields, Byron Comment
  CAS-BOT-BC106560  Balsamorhiza deltoidea G. L. Stebbins 1937-5-1 2108 Contra Costa North facing ridge, about 1 mile south of Somersville. 365 Comment
  UC691250  Barbarea orthoceras Mary L. Bowerman 1933-5-3 1972 Contra Costa due s Mount Diablo summit ((Meridian Peak)); Mount Diablo 731 Comment
  UC691258  Barbarea orthoceras Mary L. Bowerman 1933-4-22 1899 Contra Costa w of Cave Point (s-face); Mount Diablo, Inner Black Hills Comment
  UC691754  Bellardia trixago M. L. Bowerman 1938-5-25 3632 Contra Costa 1.6 miles from N gate where stream crosses road N Road 152 Comment
  UC2028053  Berberis pinnata subsp. pinnata Barbara Ertter with Ann Dennis 1998-1-25 15906 Contra Costa North side Mount Diablo, Cardinet Oaks Road at Donner Creek crossing. Comment
  JEPS111807  Beta vulgaris D. G. Kelch 2003-8-13 03 .97 Contra Costa Martinez Marsh 1 Comment
  CAS-BOT-BC102084  Bidens frondosa F. C. Crawford 1963-9-16 101 Contra Costa Brentwood, Apricot Way. Milen's pipe line Comment
  SEINET3146091  Bidens laevis L. S. Rose 1938-10-28 38311 Contra Costa Byron 3 Comment
  UC1618402  Bidens laevis Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10873 Contra Costa just w. Antioch marina (Dow Wetlands Preserve, e. end of marsh across from marina); Dow Wetlands Preserve Comment
  NY31032  Blennosperma nanum D. G. Nelson 1937-3-30 459 Contra Costa Marsh Creek Highway, about halfway between Clayton and Byron Comment
  UCD129595  Blennosperma nanum Robbin W. Thorp 1967-2-26 670226 A Contra Costa Somersville, ca. 5 miles southwest of Antioch. Comment
  JEPS18259  Blennosperma nanum var. nanum Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10588 Contra Costa 3.3 mi s Byron Comment
  JEPS33983  Blennosperma nanum var. nanum R. F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs 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
  JEPS18819  Blepharizonia laxa R. F. Hoover 1937-9-2 2710 Contra Costa 1 mi s of Pittsburg 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
  JEPS18824  Blepharizonia plumosa R. F. Hoover 1935-9-7 715 Contra Costa Walnut Creek Comment
  CAS-BOT-BC100322  Blepharizonia plumosa Eva Buxton 1994-8-10 1099 Contra Costa Cowell Ranch, ca. 0.5 mi. E and 1 mi. S of Marsh Creek Reservoir Comment
  SEINET10570457  Bloomeria aurea William H. Brewer 1862-6-19 Brewer 1291 Contra Costa Geological Survey of California, 1860-67. Pacheco Pass, near Camp 77. Comment
  LA204391  Boechera breweri E. W. Hicks; 1917-3-24 111 Contra Costa Mt. Diablo 1067.0 Comment
  UC118056  Boechera breweri subsp. breweri G. W. Dunn 1892-3-12 Contra Costa Mt. Diablo Comment
  UC614620  Boechera breweri subsp. breweri L. Constance, J. L. Morrison 1938-4-5 2192 Contra Costa near Mitchell Canyon (on w slope of Mount Diablo); Mount Diablo 609 Comment
  CAS-BOT-BC15960  Boechera breweri subsp. breweri E. W. Hicks 1917-3-24 111 Contra Costa Mount Diablo. Western slope of the mountain. 1067 Comment
  CAS-BOT-BC15962  Boechera breweri subsp. breweri John Thomas Howell 1926-3-7 1671 Contra Costa Mount Diablo. Comment
  OBI15220  Boechera breweri subsp. breweri H. E. McMinn 1922-6-2 83 Contra Costa Summit of Mt Diablo, a little N of summit Comment
  UCD102382  Boechera breweri subsp. shastaensis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1060 Comment
  POM300655  Boisduvalia glabella Mary L. Bowerman 1935-6-28 3173 Contra Costa Mount Diablo: Vernal pool near meridian (300 yards east of meridian fence line) south of summit 488 Comment
  CAS-BOT-BC31331  Bolboschoenus maritimus John Thomas Howell; Gordon H. True 1972-6-29 48943 Contra Costa Low places along Byron Hot Springs Road, SE of Byron. Comment
  SEINET11748149  Bolboschoenus robustus Unknown 1940-1 1004 a Contra Costa 2 mi S of San Rafael ferry dock Comment
  CAS-BOT-BC95322  Bowlesia incana James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC566855  Bowlesia incana H. L. Mason 1928-4-1 4272 Contra Costa Hills n of Mount Diablo (back of Pittsburg) Comment
  UC691789  Bowlesia incana Mary L. Bowerman 1933-6-7 2259 Contra Costa Mount Diablo, North Peak Ridge North Peak Ridge; Mount Diablo, North Peak Ridge 1021 Comment
  UC2028400  Brachypodium distachyon Barbara Ertter with Dan Norris 1998-6-18 16222 Contra Costa Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo Comment
  UCD164653  Brassica nigra Henry House 1995-5-20 1995- 22 Contra Costa Approximately 50 m from Walnut Blvd, about 1.25 km south of Marsh Creek Road. 30 Comment
  CDA3604  Brassica rapa A. G. Murdock, D. G. Kelch 2004-3-19 217 Contra Costa Carquinez Strait Region; Luzon. Sycamore Avenue just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Comment
  JEPS78174  Brassica rapa Gary W. Zamzow 1973-1-26 125 Contra Costa 300 m. s. of Central Ave. overpass & 100 m. w. of Hoffman Blvd. on landfill at edge of bay Richmond Comment
  UC1818971  Brickellia californica Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14534 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, woods above ranch. 365 Comment
  JEPS99494  Brickellia californica Mary Bowerman 1994-10-30 Contra Costa Mount Diablo, Hetherington Loop, streamlet just below upper stream crossing. Comment
  JEPS99490  Briza maxima Mary Bowerman 1995-6-4 Contra Costa Mount Diablo, Pine canyon by fire road. Comment
  UCD32377  Briza minor Beecher Crampton 1950-4-20 518 Contra Costa Contra Costa County, 1 mile north of Richmond, along Santa Fe Railroad. 15 Comment
  UC1103283  Bromus carinatus var. carinatus J. P. Tracy 1900-3-24 614 Contra Costa San Francisco Bay Region, Point Richmond, Rail Road Track Point Richmond; San Francisco Bay Region, Point Richmond 3 Comment
  UC53787  Bromus carinatus var. carinatus J. Burtt Davy Apr 1897 Contra Costa Point Isabel; Western Middle California, Point Isabel Comment
  UC606737  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1958 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  CAS-BOT-BC149543  Bromus carinatus var. carinatus David C. Rentz 1968-4-29 5 Contra Costa Between homes near Oak View Avenue on Ocean View Avenue. Kensington. Comment
  UCD146711  Bromus catharticus G. F. Hrusa; D. Crowe 1998-5-8 14384 Contra Costa Sacramento-San Joaquin River Delta. Dow Ecological Reserve on Dow Chemical property at Pittsburg. 5 Comment
  RSA32317  Bromus diandrus Mary L. Bowerman 1933-5-11 2088 Contra Costa Inner Black Hills west of saddle: open ridge 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
  UC692332  Bromus diandrus Mary L. Bowerman 1935-4-26 2921 Contra Costa Mount Diablo, Meridian Peak summit Meridian Peak; Mount Diablo, Meridian Peak 1158 Comment
  UCD36912  Bromus diandrus Beecher Crampton 1956-5-14 3378 Contra Costa 4.6 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  CAS-BOT-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-BC156067  Bromus diandrus Mary L. Bowerman 1935-5-25 3068 Contra Costa Mount Diablo. South of the summit. 1066 Comment
  CHSC21617  Bromus hordeaceus Willis Ball 1974-4-21 429 Contra Costa Contra Loma Regional Park. In area #6. On e side of Contra Loma Blvd. ca. 300 yds. s of main boat ramp at s end of lake. One yd. off road. 45 Comment
  POM300690  Bromus hordeaceus Mary L. Bowerman 1931-5-13 839 Contra Costa Pine canyon floor one mile above the sulphur spring Comment
  POM363884  Bromus hordeaceus Anstruther Davidson 1930-07 3244 Contra Costa Mt. Diablo. Comment
Read comments
Mar 6 2011
  UC677560  Bromus hordeaceus P. F. Knowles 1941-1 8710 Contra Costa Briones Hills Comment
  UCD36913  Bromus hordeaceus Beecher Crampton 1956-5-14 3379 Contra Costa 5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  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
  CAS-BOT-BC162453  Bromus laevipes Mary L. Bowerman 1935-5-22 3045 Contra Costa Mount Diablo. Eagel Point ridge, canyon at north end which heads into saddle west of Twin Peaks. 350 Comment
  POM301030  Bromus madritensis Mary L. Bowerman 1933-5-8 2004 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Entrance 290 Comment
  UCD36919  Bromus madritensis Beecher Crampton 1956-5-14 3395 Contra Costa 3.7 miles southeast of Clayton, on Marsh Creek Road. Comment
  UC691208  Bromus madritensis subsp. madritensis M. L. Bowerman 1932-4-27 1382 Contra Costa S face, canyon W of Riggs Canyon Oyster ridge 335 Comment
  UC691214  Bromus madritensis subsp. madritensis Mary L. Bowerman 1933-5-11 2087 Contra Costa Mount Diablo, Inner Black Hills Inner Black Hills; Mount Diablo, Inner Black Hills 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
  CHSC21638  Bromus madritensis subsp. rubens Willis Ball 1975-3-9 479 Contra Costa Contra Loma Regional Park. In area #8. On top of hill ca. 600 yds. sw of main parking lot ca. 800 yds. w of Contra Loma Blvd. 152 Comment
  UC37706  Bromus madritensis subsp. rubens J. Burtt Davy 1895-4-7 890 Contra Costa Antioch Comment
  UC692345  Bromus madritensis subsp. rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mount Diablo, Meridian Peak, (a little east of the meridian) Meridian Peak; Mount Diablo, Meridian Peak 548 Comment
  POM300681  Bromus rubens Mary L. Bowerman 1931-5-7 817 Contra Costa Mount Diablo; Northeast slope between summit and North Peak saddle. Comment
  CAS-BOT-BC161950  Bromus rubens R. E. Frenkel 1964-3-26 406 Contra Costa On north side of Highland Road, 0.25 mile east of Tassajara Road junction. 195 Comment
  UC1795743  Bromus sterilis Barbara Ertter, Mary Bowerman et al. 1995-5-7 14053 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, open oak forest above houses. Comment
  UC53715  Bromus trinii Jos. Burtt Davy 1900-3-24 6539 Contra Costa Point Richmond Comment
  UC692339  Bromus trinii Mary L. Bowerman 1933-4-15 1874 c Contra Costa Canyon s of Arroy del Cerro (Mount Diablo, 250 ft below spring); Mount Diablo Comment
  CAS-BOT-BC233994  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa Head of Markley Canyon (west branch) Comment
  CAS-BOT-BC438374  Calandrinia ciliata John Thomas Howell 1940-4-21 15407 Contra Costa Pine Canyon, Mt. Diablo Comment
  JEPS112038  Calandrinia ciliata D. G. Kelch 2004-3-5 04 .5 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 56 Comment
  CAS-BOT-BC438365  Calandrinia ciliata unspecified No date on label s.n. Contra Costa Antioch Comment
  UCD100165  Calandrinia ciliata Beecher Crampton 1950-4-16 512 Contra Costa Along R.R. embankment, Giant. Comment
  UC570761  Callitriche marginata H. L. Mason 1932-3-16 6810 Contra Costa At east edge Walnut Creek, along S.P. Railroad track Comment
  UC768643  Calochortus albus R. F. Hoover 1939-4-26 4067 Contra Costa Head of Markley Canyon (w branch) Markley Canyon Comment
  CAS-BOT-BC492125  Calochortus amabilis I. Williams 1920-4-29 s.n. Contra Costa Mount Diablo Comment
  UC2028218  Calochortus argillosus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16128 Contra Costa West-center Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC2028323  Calochortus argillosus Barbara Ertter, Susan D'Alcamo 1998-6-12 16153 Contra Costa North Gate Road on west flank of Mount Diablo, between Long Ridge and Buckle Point. Comment
  CAS-BOT-BC490528  Calochortus luteus Mary L. Bowerman 1933-6-14 2281 Contra Costa Inner Black Hills west of 1970 Comment
  UC2028297  Calochortus luteus Barbara Ertter with Dan Norris 1998-6-18 16214 Contra Costa Rock City area on south side of Mount Diablo, trail to Artist Point. Comment
  UC2028348  Calochortus luteus Barbara Ertter with Susan D'Alcamo 1998-6-12 16197 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo Comment
  UC2028365  Calochortus luteus Barbara Ertter 1998-6-20 16259 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, NE base of Haystack Hill Comment
  CAS-BOT-BC132492  Calochortus pulchellus Volney Rattan 1880-1-1 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC132502  Calochortus pulchellus L. R. Abrams 1921-5-25 8053 Contra Costa 4 1/2 mi from summit, Mt. Diablo Comment
  UC3462  Calochortus pulchellus W. H. Brewer 1862-5-26 1163 Contra Costa near Mount Diablo Comment
  UC672145  Calochortus pulchellus Herbert L. Mason 1928-4-29 4420 Contra Costa Sycamore Canyon Mount Diablo Comment
  JEPS61718  Calochortus splendens W. L. Jepson 1919-6-8 8326 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC483487  Calochortus splendens Mary L. Bowerman 1931-5-23 898 Contra Costa Oyster Pont Ridge Comment
  CDA9192  Calochortus superbus Christopher Thayer 1996-6-7 s.n. Contra Costa On SW facing grassy slopes on Oursan Trail not far above Hampton Road. EBMUD property. 0 Comment
  UC1779713  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; SW of Kent Dr. - Regency Ct. entrance, N side of juncttion of the two main fire roads. 144 Comment
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Apr 2 2012
  UC691991  Calochortus umbellatus Mary L. Bowerman 1933-5-22 2170 Contra Costa e of Knobcone Point (on n-face); Mount Diablo, Inner Black Hills Comment
  CDA9096  Calochortus venustus D. G. Kelch 2007-6-3 7 .431 Contra Costa East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir. Comment
  CAS-BOT-BC494048  Calochortus venustus L. R. Abrams 1921-5-25 8054 Contra Costa Near Spring 4 1/2 mi from summit mt Diablo Comment
  RSA68630  Calochortus venustus Frank W. Peirson 1923-7-1 3682 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC224751  Calystegia malacophylla subsp. pedicellata John Thomas Howell 1942-5-24 16964 Contra Costa Near Deer Flat, Mt. Diablo Comment
  UC691903  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-5-25 3072 Contra Costa s summit (Mount Diablo); Mount Diablo 1082 Comment
  UC1948945  Calystegia purpurata William J. Ferlatte, L. Maynard Moe 1970-4-27 1236 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691845  Calystegia purpurata Mary L. Bowerman 1933-4-26 1918 Contra Costa North Peak ridge ese of the Peak (south face, Mount Diablo); Mount Diablo, North Peak Ridge ese of the peak 609 Comment
  UC691902  Calystegia purpurata Mary L. Bowerman 1932-9-24 1588 Contra Costa ridge running w from Twin Peaks (Mount Diablo); , ridge running w from Twin Peaks 335 Comment
  HSC6375  Calystegia purpurata Greg Bos 1963-4-10 70 Contra Costa Rock Quarry, Richmond, El Cerrito Hills W end 76 Comment
  JEPS111812  Calystegia purpurata subsp. purpurata A. G. Murdock 2003-6-2 79 Contra Costa Franklin Canyon - McHarry Ranch Rd. West side of road near fire road gate 126 Comment
  UC1794950  Calystegia purpurata subsp. purpurata R. K. Brummitt, J. Strother and B. Baldwin 1997-5-27 19605 Contra Costa Mount Diablo, W side, Deer Flat Road 800 Comment
  UCD126157  Calystegia sepium Malcolm A. Nobs; S. Galen Smith 1949-7-8 941 Contra Costa Otto's Black Bass Resort, 4 miles N of Kingston. Comment
  JEPS111815  Calystegia sepium subsp. binghamiae D. G. Kelch 2003-8-13 03 .117 Contra Costa Martinez Marsh 1 Comment
  JEPS125633  Calystegia sepium subsp. binghamiae Daniel Slakey with CNPS Volunteers 2015-9-12 227 Contra Costa Browns Island, northern part of Crooked Slough. Comment
  UC1057486  Calystegia sepium subsp. binghamiae G. Thomas Robbins 1940-5-19 327 Contra Costa San Joaquin River e Antioch; San Joaquin River e of Antioch Comment
  CAS-BOT-BC202027  Calystegia sepium subsp. limnophila Ira L. Wiggins 1954-9-5 13122 Contra Costa Levee along Bethel Island Comment
  UCD163494  Calystegia sepium subsp. limnophila D. Slakey; CNPS Volunteers 2015-9-12 227 Contra Costa Browns Island, northern part of Crooked Slough. 0 Comment
  UC2062681  Calystegia subacaulis Barbara Ertter with Tony Morosco 1998-7-11 16368 Contra Costa North base of Mount Diablo State Park, Coulter Pine Trail just east of Mitchell Rock Trail. Comment
  UC1794983  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-6 19784 Contra Costa Mt. Diablo, NW side, path to Mitchell's Rock 300 Comment
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Aug 3 2013
  UC2028171  Calystegia subacaulis subsp. subacaulis Barbara Ertter 1998-5-3 16069 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, between Wall Point and Secret Trail junction. Comment
  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
  UC2070452  Camissonia contorta Barbara Ertter with Dan Norris 2001-4-8 17599 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC2062661  Camissonia ovata Barbara Ertter 2002-5-16 17854 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC20498  Camissoniopsis micrantha W. H. Brewer 1862-4-24 988 Contra Costa Camp 68 Martinez Comment
  CAS-BOT-BC266440  Campanula exigua Mrs. Ernest Meiere 1916-6-1 s.n. Contra Costa Mount Diablo Comment
  JEPS99590  Campanula exigua Mary Bowerman 1975-6-1 Contra Costa Mount Diablo. Upper Falls Trail a few feet below real 1st creek (not waterfall) coming from horsemen's. Comment
  UC1055904  Campanula garganica N. Floy Bracelin 1941-6-1 1347 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051189  Campanula persicifolia var. alba N. Floy Bracelin 1944-6-19 2737 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS111861  Capsella bursa-pastoris D. G. Kelch 2004-3-12 04 .27 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  RSA128367  Capsella bursa-pastoris P. H. Raven 1950-3-5 1406 Contra Costa 0.75 mile from place where it meets Orinda - Richmond Road, Bear Creek Road. 107 Comment
  UC1126900  Cardamine californica R. W. Lundh 1933-3-20 215 Contra Costa 2 mi nw Walnut Creek, Canada del Hambro; Concord Quad. 182 Comment
  LA204290  Cardamine californica Carl B. Wolf; 1937-3-28 8319 Contra Costa 2 mi. S of Pinole on San Pablo Road 30 Comment
  POM203648  Cardamine californica var. integrifolia J. T. Howell 1933-5-14 11255 Contra Costa Hills east of St. Mary s college 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
  UC1795657  Cardamine hirsuta Barbara Ertter, Gary Schoolcraft 1996-4-7 14576 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge; south end of parking area, in partial shade of planted shrub. Comment
  UC1126888  Cardamine oligosperma H. S. Yates 1936-3-14 5361 Contra Costa Marsh Creek Mount Diablo Quad., Marsh Creek Comment
  UC691070  Cardamine oligosperma Mary L. Bowerman 1931-3-29 618 Contra Costa East Cave Point Ridge , East Cave Point Ridge (Mount Diablo) Comment
  UC2028995  Cardamine oligosperma Barbara Ertter 2000-3-30 16912 Contra Costa North side of Mount Diablo, Deer Flat at head of Mitchell Canyon. Comment
  CDA40567  Cardaria pubescens V. Guise 2014-5-19 PDR# 070 P06223903 Contra Costa Rodeo; northside of Highway 4, 0.25 mile west of Carbon Way. 0 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
  CAS-BOT-BC281805  Carduus tenuiflorus John Thomas Howell 1933-5-21 11323 Contra Costa San Pablo 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
  JEPS25138  Carex barbarae G. Thomas Robbins 1959-5-16 4008 Contra Costa Caly [clay] banks and rivulet just north of Point Orient, Potrero Hills, overlooking San Francisco Bay, Richmond Comment
  CAS-BOT-BC19204  Carex barbarae Mary L. Bowerman 1938-10-10 3724 Contra Costa Mount Diablo. Junction between North and South Roads. 624 Comment
  CAS-BOT-BC19209  Carex barbarae L. R. Abrams 1916-7-30 5723 Contra Costa Mt. Diable near the lake. Comment
  SEINET11268158  Carex globosa Barbara Ertter, Dan Norris 1998-6-18 16230 Contra Costa Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo.; 0 Comment
  UC2028415  Carex globosa Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al. 2001-5-22 17650 Contra Costa South side Mount Diablo, headwaters of West Branch Alamo Creek ESE of Knobcone Point, below powerline at end of Knobcone Point Road Comment
  UC691961  Carex pellita Mary L. Bowerman 1935-5-16 3000 Contra Costa Russelman Park Road at Gregory Ranch junction; Mount Diablo 289 Comment
  CAS-BOT-BC119015  Carex pellita Miss Mary Leolin Bowerman 1935-5-16 3000 Contra Costa Russelmann Park road at Gregory Ranch junction. 289 Comment
  SEINET11263976  Carex praegracilis Barbara Ertter, Dan Norris 2000-12-3 17553 Contra Costa South side of Mount Diablo, Devils Slide Trail above Sulfur Springs on nw fork of Sycamore Creek.; 0 427 Comment
  UC1795880  Carex praegracilis Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14672 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; wetlands behind facilities at base of ''D'' road. Comment
  POM222732  Carex serratodens L. S. Rose 1935-5-16 35163 Contra Costa Mt. Diablo. Comment
  UC691959  Carex serratodens Mary L. Bowerman 1933-4-15 1856 Contra Costa canyon s Arroyo del Cerro (hollow in gully near main stream); Mount Diablo Comment
  UC823230  Carex serratodens Lewis S. Rose 1935-5-16 35163 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC117549  Carex serratodens Miss Mary Leolin Bowerman 1936-4-23 3406 Contra Costa Moses Rock Spring. 640 Comment
  CAS-BOT-BC117552  Carex serratodens Miss Mary Leolin Bowerman 1938-5-28 3640 Contra Costa Patens Spring (North Road, 1800 feet). 548 Comment
  UC2028564  Carex serratodens Barbara Ertter with Mary Bowerman 1996-11-1 15405 Contra Costa North base of Mount Diablo, lower Donner Creek between trailhead and cabin site, along now dried stream bed. Comment
  UC593503  Carex subbracteata G. L. Stebbins Jr. 1936-5-9 1555 Contra Costa e side Wildcat Canyon; Berkeley Hills Comment
  UC2028500  Carex subbracteata Barbara Ertter 1999-3-21 16491 Contra Costa NW corner of Miller Knox Regional Shoreline, Protero Hills SW of Richmond Comment
  JEPS111902  Carex tumulicola D. G. Kelch 2005-3-24 05 .69 Contra Costa Chevy's Hill 57 Comment
  UC1096  Carex tumulicola Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  OBI13975  Carpenteria californica Neil Havlik 1968-5-19 201 Contra Costa Tilden Botanical Garden, Charles Lee Tilden Regional Park, E of Berkeley Comment
  CDA20549  Carthamus creticus R. Fonseca 2005-6-2 PDR 1327561 Contra Costa San Francisco Bay Area; 1171 Chistie Rd, Martinez. 0 Comment
  CDA6929  Carthamus creticus H. Sparkman 1973-5-3 Contra Costa San Ramon Creek, Walnut Creek. 0 Comment
  CDA34365  Carthamus tinctorius E. Finley 1991-6-27 PDR 787956 Contra Costa Along Interstate 680 near Alamo. 0 Comment
  CDA9650  Castilleja affinis A. G. Murdock, D. G. Kelch 2004-5-28 292 Contra Costa Carquinez Strait; Pinole Peak. Comment
  UC1039781  Castilleja affinis subsp. affinis H. L. Mason 1928-4-29 4438 Contra Costa Mount Diablo Comment
  UC2027927  Castilleja affinis subsp. affinis Barbara Ertter with Linda Vorobik 2001-3-24 17570 Contra Costa Lime Ridge Open Space east of Walnut Creek, eastern edge overlooking Crystal Springs subdivision. Comment
  UC691580  Castilleja attenuata Mary L. Bowerman 1932-4-9 1333 Contra Costa from near Rock City ridge to Wall Point; Mount Diablo 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
  JEPS17083  Castilleja exserta subsp. latifolia Rimo Bacigalupi with Keith Harrison and G. T. Robbins 1955-5-13 5064 Contra Costa opposite El Cerrito (just to the w of Arlington Avenue and opposite Mira Vista Country Club); Berkeley Hills 198 Comment
  UCD122505  Castilleja foliolosa P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  SEINET5542767  Castilleja foliolosa H. S. Gentry 1931-1 53 Contra Costa Collected near Buckle Point, 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
  JEPS100150  Castilleja rubicundula subsp. lithospermoides G. Smick 2003-5-8 GAS 185 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA517383  Castilleja wightii L. R. Heckard 1973-6-6 3421 Contra Costa North-facing slope. Ravine behind La Moine Park (Richmond). 122 Comment
  UC2046339  Casuarina Barbara Ertter with Brad Olson 1994-5-7 12741 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Comment
  CAS-BOT-BC40510  Caulanthus lasiophyllus Mary L. Bowerman 1933-4-26 1924 Contra Costa Mount Diablo. North Peak ridge east-southeast of the peak, south face. 609 Comment
  CAS-BOT-BC48835  Ceanothus cuneatus W. C. Blasdale 1896-2-29 s.n. Contra Costa Mt. Diablo Comment
  POM136472  Ceanothus cuneatus H. P. Chandler 1901-4-5 977 Contra Costa Mt. Diablo Comment
  JEPS48863  Ceanothus cuneatus var. cuneatus Elsa Kraeger 1926-3-7 Contra Costa e side Mt. Diablo Comment
  UC692589  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1930-6-10 319 Contra Costa accross the rd from and slightly below, Muir Area; Mount Diablo Comment
  UC692617  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1933-4-9 1843 Contra Costa w fork of Dannor Canyon, Mount Diablo Comment
  UC80011  Ceanothus cuneatus var. cuneatus G. W. Dunn 1892-3-12 Contra Costa Mt. Diablo Comment
  UCD124005  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-5-9 916 e Contra Costa Mount Diablo State Park, roadside on South Gate Road, 1.5 road miles (2.4 km) north of entrance gate, 6.38 km 67 deg. (True) ENE of Danville. 380 Comment
  CAS-BOT-BC51494  Ceanothus oliganthus var. sorediatus C. H. M. 1919-8-24 s.n. Contra Costa Las Trampas Peak Comment
  CAS-BOT-BC51496  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1930-6-22 365 Contra Costa Mitchell Canyon: North slope Comment
  CDA7090  Centaurea calcitrapa T. C. Fuller 1961-9-13 7000 Contra Costa Highway J4, ca. 4 miles southeast of Byron. 0 Comment
  JEPS99513  Centaurea melitensis Mary Bowerman 1994-6-19 Contra Costa Mount Diablo, Muir Area. Comment
  JEPS44120  Centaurea melitensis W. L. Jepson 1922-7-9 9735 Contra Costa El Cerrito salt marsh El Cerrito 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
  UC1606360  Centaurium muehlenbergii Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10700 Contra Costa n of Pittsburg (near confluence of Sacramento River and San Joaquin River, opposite Pittsburg Marind, flat in the center of w end of Browns Island); Browns Island Comment
  UC2028240  Centaurium muehlenbergii Barbara Ertter, Tony Morosco 1998-9-18 16424 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC288540  Centromadia fitchii John Thomas Howell 1930-9-28 5497 Contra Costa 6.3 miles from Byron on the Marsh Creek Rd Comment
  CAS-BOT-BC288549  Centromadia fitchii Rimo Bacigalupi 1922-9-24 s.n. Contra Costa Along road between Clayton Mitchell Comment
  UC2029029  Centromadia fitchii Barbara Ertter 2002-8-24 18019 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  CAS-BOT-BC288872  Centromadia parryi subsp. congdonii J McMurphy 1909-9-24 s.n. Contra Costa San Ramon Comment
  UC1069557  Centromadia parryi subsp. congdonii H. S. Yates 1934-9-2 4072 Contra Costa 1 mi ne Danville; Mt. Diablo Quadrangle Comment
  CAS-BOT-BC288883  Centromadia parryi subsp. congdonii John Thomas Howell 1932-10-16 10820 Contra Costa Near San Ramon Comment
  CDA29244  Centromadia pungens D. G. Kelch 2005-11-23 06 .507B Contra Costa East Bay.; Point Molate. Comment
  UCD19693  Centromadia pungens Donald W. Kyhos 1963-4-11 s.n. Contra Costa 3.6 miles south of Byron Hwy and Byron Hot Springs Rd. Comment
  CAS-BOT-BC279193  Centromadia pungens subsp. pungens R. F. Hoover 1967-4-28 10515 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC279180  Centromadia pungens subsp. pungens John Thomas Howell 1929-9-21 4395 Contra Costa Marsh Creek Road 3.5 miles sw. of Brentwood Comment
  CAS-BOT-BC279189  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
  UC2029033  Centromadia pungens subsp. pungens Barbara Ertter 2002-11-11 18079 Contra Costa Round Valley Regional Preserve east of Mount Diablo, alkaline spring on Murphy's Meadow Trail at north end of Round Valley. Comment
  UC1039525  Cephalanthus occidentalis var. californicus H. L. Mason 1929-9-21 5447 Contra Costa 1 mi from Borden Highway junction with road to Antioch Comment
  RSA0027414  Cerastium fontanum subsp. vulgare Barbara Ertter, Rich Rabeler, Tony Morosco 1997-6-10 15672 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait. Comment
  JEPS51352  Cerastium glomeratum W. L. Jepson 1922-4-16 9600 Contra Costa San Pablo Comment
  JEPS45531  Cercocarpus betuloides var. betuloides W. L. Jepson 1920-9-6 9083 Contra Costa Mount Diablo Comment
  UC691102  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1936-9-9 3541 Contra Costa Rock City Ridge = Fossil Ridge, w of 1478 (below road) Fossil Ridge; Mount Diablo, , Rock City Ridge Comment
  UC565627  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1931-4-5 5817 Contra Costa Antioch sandhills Antioch Comment
  CAS-BOT-BC284221  Chaenactis glabriuscula var. megacephala Alice Eastwood 1921-4-18 10298 Contra Costa Antioch 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
  UC692713  Chamaesyce ocellata Mary L. Bowerman 1930-10-19 494 Contra Costa little below rd junction West rd Comment
  JEPS9018  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1901-10-11 13926 Contra Costa Mount Diablo Comment
  RSA685735  Cheilanthes covillei Mark Morris 1929-03 14910 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC66367  Cheilanthes covillei Mary L. Bowerman 1931-5-7 801 Contra Costa North Peak ridge Comment
  UC1818886  Cheilanthes covillei Barbara Ertter, Lisa Schultheis 1995-2-1 13923 Contra Costa Mount Diablo ESE of Walnut Creek; Murchio Gap, base of rocks on northwest side of road, ca 2300' Comment
  JEPS94004  Cheilanthes gracillima J. Greenhouse 1998-6-14 Contra Costa w. of Burma Rd. Trail ca. 1 mi. above North Gate Rd. Mt. Diablo 426 Comment
  UC1607652  Chenopodium ambrosioides Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10883 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC691917  Chenopodium berlandieri Mary L. Bowerman 1932-9-3 1537 Contra Costa roadside just below Meridian Peak summit; Mount Diablo Comment
  UC691935  Chenopodium californicum Mary L. Bowerman 1931-3-7 546 Contra Costa Sheep Corral Spring Mount Diablo Comment
  UC7298  Chenopodium californicum State Survey 1065 Contra Costa Comment
Read comments
Aug 16 2013
  JEPS68928  Chenopodium multifidum Edward Lee 1934-9-30 1222 Contra Costa Moraga; just se of station Comment
  JEPS99594  Chenopodium murale Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond. Comment
  UC2027886  Chenopodium murale Barbara Ertter with Chris Thayer 1996-10-25 15362 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park. Comment
  CAS-BOT-BC252678  Chorizanthe membranacea Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  UC692148  Chorizanthe membranacea Mary L. Bowerman 1930-6-28 403 Contra Costa lower Silver Spring , lower Silver Spring (Mount Diablo) Comment
  UC2028983  Chorizanthe membranacea Barbara Ertter 2000-5-14 17015 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail north of Wild Oat Canyon. Comment
  UC52588  Chorizanthe membranacea W. H. Brewer 1862-5-17 1104 Contra Costa canyon n Monte Diablo; canyon n of Monte Diablo (Mount Diablo?) Comment
  SD8106  Chorizanthe uniaristata Kate Curran June 1884 Contra Costa Antioch Comment
  UC85937  Chorizanthe uniaristata Mrs. K. Brandegee Contra Costa Mount Diablo Comment
  UCSB27372  Chrysolepis chrysophylla Havlik, Neil 1969-7-18 Contra Costa About one-half mile from Skyline Blvd. on the Huckleberry Trail, Oakland Hills 396 Comment
  JEPS97617  Chrysolepis chrysophylla var. minor R. D. Stone 1980-7-13 265 Contra Costa NE of intersection of Skyline Blvd. and Snake Rd. Huckleberry Trail; Oakland Hills, near Alameda-Contra Costa county line Comment
  UC72145  Cicendia quadrangularis Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  CAS-BOT-BC277977  Cirsium cymosum John Thomas Howell 1931-5-12 6479 Contra Costa North side of Mt. Diablo Comment
  CDA19886  Cirsium cymosum J. Vargas 2002-6-4 PDR P 099530 Contra Costa Northern California; Sin. loc. 0 Comment
  UC2028393  Cirsium cymosum Barbara Ertter with Richard K. Brummitt 1998-5-13 16135 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, west side of ridge in Lougher Loop Trail, S-facing grassy slope 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
  JEPS75543  Cirsium vulgare P. F. Yorks 1974-8-10 363 Contra Costa ca. 1.8 km. s Bear Creek Road (on Hampton Road in Hampton Road Natural Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS78818  Clarkia affinis Edward Lee 1936-5-24 2158 Contra Costa about 2 mi se Curry Canyon; Morgan Territory, Marsh Creek Comment
  UC1795728  Clarkia affinis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14224 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  CAS-BOT-BC162561  Clarkia affinis Volney Rattan 1877-5-22 s.n. Contra Costa Alhambra Val. Comment
  CAS-BOT-BC162565  Clarkia affinis John Thomas Howell 1931-5-12 6483 Contra Costa North side of Mt. Diablo Comment
  UCD35144  Clarkia affinis Beecher Crampton 1950-4-2 524 Contra Costa Contra Costa CountyL Site of Judsonville. Comment
  SBBG40396  Clarkia amoena W. J. Dress 1951-7-3 3466 Contra Costa near rd a few mi S of Moraga 152 Comment
  UCD104071  Clarkia biloba C. Thayer 1994-8-1 s.n. Contra Costa West side of Lafayette Ridge, Lafayette. Comment
  JEPS111565  Clarkia biloba subsp. biloba D. G. Kelch 2000-5-22 00 .142 Contra Costa Crockett - Eckley North-facing railroad cuts west of Bull Valley Staging Area 7 Comment
  JEPS111569  Clarkia biloba subsp. biloba D. G. Kelch 2004-5-9 04 .210 Contra Costa Crockett - Eckley Hills north of Bull Valley Staging Area 13 Comment
  POM32522  Clarkia biloba subsp. biloba A. D. E. Elmer 1903-05 4319 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC163606  Clarkia biloba subsp. biloba C. L. Hitchcock 1928-6-5 13 Contra Costa Between Porta Costa and Martinez, 1 1/2 mile from Port Costa 40 Comment
  CAS-BOT-BC164157  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo 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
  JEPS111555  Clarkia concinna subsp. concinna A. G. Murdock 2003-6-2 80 Contra Costa Franklin Canyon - McHarry Ranch Rd. East side of road on bank above creek across from fire road gate. 137 Comment
  JEPS43618  Clarkia concinna subsp. concinna W. L. Jepson 1923-6-10 9987 Contra Costa Upper Marsh Creek Mt. Diablo 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
  UC1818899  Clarkia gracilis subsp. gracilis Barbara Ertter, Mary Bowerman 1994-6-19 12853 a Contra Costa Mt. Diablo State Park east of Walnut Creek; scrub oak thicket north of road, north of lower summit parking lot, next to drainage on north facing slope. Comment
  RSA355431  Clarkia heterandra Anstruther Davidson 1917-07 3289 Contra Costa Mt. Diabolo [Diablo] Comment
  JEPS111562  Clarkia purpurea subsp. purpurea A. G. Murdock 2004-5-28 294 Contra Costa Pinole Peak 405 Comment
  CAS-BOT-BC163670  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Sutliffe 1920-5-30 s.n. Contra Costa Mt. Diablo Comment
  CDA33413  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, D. A. Weinstein 2011-5-28 11 .539 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  RSA0059918  Clarkia purpurea subsp. quadrivulnera Glenn A. Gorelick 1967-5-20 s.n. Contra Costa Russelman Park, Mt. Diablo State Park Comment
  UC113995  Clarkia rubicunda Katharine Brandegee 1908-7-3 Contra Costa n side Point Isabel (type locality) Comment
  CAS-BOT-BC165449  Clarkia unguiculata L. R. Abrams 1916-6-30 5702 Contra Costa Mt. Diablo near lake Comment
  CAS-BOT-BC165452  Clarkia unguiculata Alice Eastwood 1922-3-17 11078 Contra Costa Mt. Diablo Comment
  POM262830  Clarkia unguiculata Herbert McLean Evans 1923-05 s.n. Contra Costa Mount Diablo Comment
  SEINET10492200  Clarkia unguiculata Tim Holtsford 1992-6-13 Holtsford 920613 -1 Contra Costa Morgan territory rd, se of concord, 1.35 mi s of marsh creek rd (clayton rd), 0.1 Mi n of shale cliff court. Roadside pop, n-facing slope with oaks, digger Pines, poison oak. Most flowering over, fruits still green. Comment
  CAS-BOT-BC439164  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Mount Diablo. Alamo Canyon 350 Comment
  CAS-BOT-BC439167  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-7 1676 Contra Costa Mt. Diablo Comment
  UC1136707  Claytonia exigua subsp. exigua R. C. Wilson 1935-3-29 162 Contra Costa 1 mi w Deer Flat; Mt. Diablo Quad. 716 Comment
  UC172943  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 2816 Contra Costa Mt. Diablo, Mithcell's Canyon Comment
  UC692544  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Alamo Canyon (e-facing bank 15 ft above the stream) Alamo Canyon; Mount Diablo 350 Comment
  UC692554  Claytonia exigua subsp. exigua Mary L. Bowerman 1931-4-25 773 Contra Costa Mount Diablo summit Mount Diablo (near the house) Comment
  UC7935  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-7 1059 Contra Costa Summit of Mt. Diablo; Mt. Diablo Comment
  CAS-BOT-BC439171  Claytonia exigua subsp. exigua Rimo Bacigalupi 1925-3-25 1185 Contra Costa Along Joaquin Miller Road, just above The Hights [Heights] - Oakland Hills Comment
  POM300715  Claytonia exigua subsp. exigua Mary L. Bowerman 1933-4-15 1875 Contra Costa Canyon south of Arroyo del Cerro, about 250 ft. below spring; Comment
  UC692661  Claytonia exigua subsp. glauca Mary L. Bowerman 1932-3-6 1098 Contra Costa near Black Hawk Ridge saddle; Mount Diablo Comment
  JEPS43278  Claytonia gypsophiloides Edw. L. Greene Jun 1892 Contra Costa Mount Diablo Comment
  UC692659  Claytonia gypsophiloides Mary L. Bowerman 1931-4-19 736 Contra Costa Deer Flat Mount Diablo (hillslope where the trail leaves the flat) Comment
  JEPS78750  Claytonia parviflora subsp. parviflora Edward Lee 1936-5-24 2157 Contra Costa about 2 mi se Curry Canyon (Marsh Creek); Morgan Territory, Marsh Creek Comment
  UC1745431  Claytonia parviflora subsp. parviflora Annetta M. Carter, Leo Bowerman 1935-6-1 872 Contra Costa Mt. Diablo. N-facing slope of main ridge running W from peak. 975 Comment
  UC692653  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1933-5-3 1967 Contra Costa Mountain Springs Canyon Mount Diablo (just below the deer trough (Pioneer Road)) Comment
  UC2028060  Claytonia parviflora var. parviflora Barbara Ertter, Tony Morosco 1998-4-12 16014 Contra Costa Mount Olympia on north side of Mount Diablo. Comment
  UC1618110  Claytonia perfoliata Donald G. Nelson 1937-3-30 466 Contra Costa along Marsh Creek Rd. between Claytonville and Byron Comment
  HSC17691  Claytonia perfoliata subsp. mexicana D. A. Shally 1965-4-18 33 Contra Costa Canyon, 1 mi. N of Canyon Store Comment
  UC1057451  Claytonia perfoliata subsp. perfoliata G. Thomas Robbins 1937-4-25 148 Contra Costa 2 mi e Alamo Comment
  UC517966  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-3-10 5755 Contra Costa 7 mi from Clayton (on Livermore road, e side of Mt. Diablo); Mt. Diablo Comment
  UC7914  Claytonia perfoliata subsp. perfoliata J. Burtt Davy 1895-4-7 983 Contra Costa Antioch Comment
  CAS-BOT-BC91356  Clematis lasiantha V. Rattan 1883-4-1 s.n. Contra Costa Martinez. Comment
  CAS-BOT-BC91359  Clematis lasiantha H. E. McMinn 1922-6-2 134 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC91361  Clematis lasiantha Alice Eastwood 1915-5-30 4552 Contra Costa Mount Diablo. Comment
  RSA215990  Clematis lasiantha Paul F. Covel 1938-6-26 1516 Contra Costa Las Trampas Canyon (behind St Mary's) Comment
  UC692098  Clematis ligusticifolia Mary L. Bowerman 1930-8-24 436 Contra Costa near rd. Mitchell Canyon; Mt. Diablo, Mitchell Canyon Comment
  CAS-BOT-BC499321  Clintonia andrewsiana Walter Knight; Irja Knight 1988-5-21 6129 Contra Costa Redwood Regional Park, between pipe bridge and single curb bridge along Stream Trail 274 Comment
  UC26674  Collinsia heterophylla J. Burtt Davy 1895-4-8 970 Contra Costa Antioch Comment
  UC691495  Collinsia heterophylla Mary L. Bowerman 1935-3-16 2739 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 262 Comment
  UC691588  Collinsia heterophylla Mary L. Bowerman 1930-6-7 270 Contra Costa Mount Diablo, summit of Meridian Peak Meridian Peak; Mount Diablo, Meridian Peak 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
  RSA0068475  Collinsia parviflora Katie Gallagher, Nick Jensen 2014-4-26 203 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  POM194561  Collinsia sparsiflora Y. Mexia 1929-4-21 2376 Contra Costa Moraga Valley. Comment
  UC26642  Collinsia sparsiflora var. collina State Survey Contra Costa Mount Diablo Comment
  UC766264  Collinsia sparsiflora var. collina R. F. Hoover 1938-3-5 2817 Contra Costa mouth of Kirker Creek Canyon Comment
  POM203034  Collinsia sparsiflora var. collina J. T. Howell 1934-4-8 11810 Contra Costa 7 miles from Clayton on road to Livermore. 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
  UC691624  Collinsia tinctoria Mary L. Bowerman 1935-6-1 3117 Contra Costa summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit) 1158 Comment
  JEPS79511  Collomia diversifolia Edward Lee 1978-5-13 Contra Costa Meridian Ridge Mt. Diablo Comment
  SEINET3860930  Collomia diversifolia David Gowen 2005-5-28 395 Contra Costa Mt. Diablo State Park, on Meridian Ridge Rd. (dirt fire road), east of Murchio Gap.; 0 Comment
  UC2042954  Convolvulus arvensis Barbara Ertter with David Gowen and Mike Park 2004-6-13 18375 Contra Costa Black Diamond Mines Regional Preserve, near pond on south branch of Old Homestead Loop Trail. Comment
  SEINET198892  Convolvulus sepium var. communis Ira L. Wiggins 1954-5-9 13123 Contra Costa Levee along Bethel Island Comment
  CAS-BOT-BC286022  Conyza canadensis Walter Knight; Irja Knight 1978-8-14 3116 Contra Costa Browns Island Comment
  HSC33256  Conyza canadensis A. M. Montalvo, J. D. Ackerman 1974-12-1 435 Contra Costa Walnut Creek, Olympic Dr. between Tice Valley Rd. and Pleasant Hill Rd. Comment
  UC1051043  Coprosma baueri N. Floy Bracelin 1942-11-1 2348 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  NY68297  Cordylanthus nidularius J. T. Howell 1942-7-19 17044 Contra Costa Near of Deer Flat, Mt. Diablo. Comment
Read comments
Jul 18 2011
  RSA412333  Cordylanthus pilosus subsp. pilosus Hattie Benton 1917-10 3294 Contra Costa Mt. Diablo. Comment
  UC691507  Cordylanthus pilosus subsp. pilosus Mary L. Bowerman 1936-8-8 3523 Contra Costa Emmons Canyon, W fork Mount Diablo Comment
  UC2028021  Cordylanthus pilosus subsp. pilosus Barbara Ertter 1997-9-14 15815 Contra Costa southwest side of Mount Diablo, Wall Point Road east of crest of ridge. Comment
  UC692510  Cornus glabrata Mary L. Bowerman 1935-3-16 2735 Contra Costa e. fork Arroyo del Cerro Mt. Diablo; , e. fork Arroyo del Cerro 262 Comment
  JEPS111819  Cornus sericea D. G. Kelch 2003-8-13 03 .132 Contra Costa Pinole Creek 68 Comment
  JEPS50131  Cornus sericea subsp. sericea W. L. Jepson 1891-6-9 14146 Contra Costa e. side Berkeley Hills, Fish Ranch Comment
  CAS-BOT-BC190026  Cortaderia selloana Walter Knight 1978-9-19 3247 Contra Costa Browns Island. South Landing. 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
  UC1622291  Cotoneaster lacteus Barbara Ertter 1997-1-5 15432 Contra Costa at Lime Ridge between Walnut Creek and Clayton (Ygnacio Valley Road); Lime Ridge, Ygnacio Valley Road Comment
  RSA729909  Cotoneaster pannosus Peter F. Zika, B. Ertter 2007-5-11 22967 Contra Costa Near Arlington Boulevard and Brewster Drive, city of El Cerrito (SnFrB = San Francisco Bay Area) 210 Comment
  JEPS37545  Cotula coronopifolia R. F. Hoover 1935-3-10 302 Contra Costa Nortonville Comment
  CAS-BOT-BC427570  Crassula aquatica Brandegee No date on label s.n. Contra Costa Antioch Comment
  RSA0026175  Crepis bursifolia Barbara Ertter, David Gowen 2012-6-9 21027 Contra Costa South junction of Big Springs Trail with Seaview Trail, southeastern Tilden Park in Berkeley Hills. 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
  RSA181360  Croton californicus James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  UC1084501  Croton californicus G. Thomas Robbins 1940-5-19 322 Contra Costa e Antioch (sand hills bordering river); San Joaquin River Comment
  UC1198987  Croton californicus Joseph P. Tracy 1921-5-17 5567 Contra Costa Antioch 30 Comment
  UCD141936  Croton californicus R. F. Hoover 1935-3-10 s.n. Contra Costa Antioch. Comment
  JEPS100022  Crypsis schoenoides S. O'Neil 2003-7-27 SEO 42 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS102901  Crypsis schoenoides Barbara Ertter, Chris Thayer 1996-10-25 15360 Contra Costa Little Pine Creek, Diablo Foothills Regional Park Mount Diablo Comment
  UCD59835  Crypsis schoenoides G. F. Hrusa; D. Crowe, R. York 1998-7-17 14726 Contra Costa Sacramento-San Joaquin River Delta. East side of Antioch-Pittsburg Hwy at east end of Dow Chemical property. 12 Comment
  CAS-BOT-BC190079  Crypsis schoenoides Walter Knight 1977-7-20 s.n. Contra Costa On Briones Ridge, Briones Regional Park. 304 Comment
  RSA757946  Crypsis vaginiflora Barbara Ertter 1989-9-30 8865 Contra Costa Tilden Regional Park east of El Cerrito, East Bay Skyline National Recreation Trail (= Nimitz Way), small dried pond about 1.25 miles northwest of Inspiration Piont. Comment
  UC2027971  Crypsis vaginiflora Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  UC24677  Cryptantha flaccida F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC659427  Cryptantha flaccida Lincoln Constance, Carl W. Sharsmith with Howard S. Reed 1940-4-27 2573 Contra Costa Pine Canyon, base of Mount Diablo Mount Diablo 304 Comment
  POM226201  Cryptantha flaccida Lincoln Constance, Carl Sharsmith, H. S. Reed 1940-4-27 2573 Contra Costa Pine Canyon, base of Mt Diablo 305 Comment
  UC55905  Cryptantha microstachys Jos. Burtt Davy 1901-4-21 7046 Contra Costa Wildcat Canyon Comment
  UC691341  Cryptantha microstachys Mary L. Bowerman 1932-4-27 1388 Contra Costa w of Riggs Canyon (canyon, s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC2042963  Cryptantha muricata Barbara Ertter with David Gowen and Chris Thayer 2014-4-12 21712 Contra Costa Small ridge on north side of Prospectors GAp Road, just north of Ginochio property on east side of Mount Diablo. Comment
  UC691392  Cryptantha nevadensis var. rigida Mary L. Bowerman 1931-5-7 808 a Contra Costa North Peak Mount Diablo Comment
  UC691393  Cryptantha nevadensis var. rigida Mary L. Bowerman 1932-4-9 1331 Contra Costa Mount Diablo; Inner Black Hills, small ridge E of S spur on meridian Comment
  JEPS116792  Cryptantha torreyana David Gowen, Abby Moore, Mike Park 2006-6-13 608 Contra Costa Mount Diablo; Along access road to tower facility north of summit parking lot. Comment
  CAS-BOT-BC224390  Cuscuta californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  RSA216774  Cuscuta californica Robert F. Hoover 1969-8-25 11565 Contra Costa Raymond Road and Ames Street, Livermore Valley Comment
  CDA20771  Cuscuta japonica J. Deviney 2006-6-7 PDR 1373527 Contra Costa San Francisco Bay Area; El Cerrito Creek banks at S end of Carlsen Blvd., El Cerrito. Crossing Alameda county line into Albany. Comment
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Apr 29 2013
  CDA41311  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 2 of 2. 0 Comment
  UC2032851  Cuscuta pacifica Doran, Andrew Scott 2012-3-20 722 Contra Costa Northeast part of Brooks Island, on trail to beach along spit. Comment
  UCD126364  Cuscuta pacifica var. pacifica G. Thomas Robbins 1959-9-13 4163 Contra Costa northeastern edge of San Pablo Bay, just east of Hercules. Comment
  JEPS25276  Cuscuta salina var. major G. Thomas Robbins 1959-9-13 4163 Contra Costa just e Hercules (ne edge of San Pablo Bay); San Pablo Bay Comment
  JEPS43032  Cuscuta salina var. major W. L. Jepson 1922-7-9 9731 Contra Costa Richmond Comment
  CDA31062  Cuscuta subinclusa D. G. Kelch 2006-8-11 6 .374 Contra Costa Carquinez Strait.; Top of Edward s Canyon. Crockett. Comment
  UC1197871  Cuscuta subinclusa Joseph P. Tracy 1932-9-10 10789 D Contra Costa Franklin Canyon 152 Comment
  UC23280  Cuscuta subinclusa Bolander 1863-1 2436 Contra Costa Moraga Valley Comment
  CHSC23352  Cynodon dactylon Willis Ball 1975-5-15 527 Contra Costa Contra Loma Regional Park. In area #1 ca. 3 yds w of restroom facility at s end of reservoir. In lawn by beach area. 30 Comment
  JEPS99524  Cynodon dactylon Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  CAS-BOT-BC190224  Cynodon dactylon Mary L. Bowerman 1936-8-17 3526 Contra Costa Mount Diablo. Sulphur Springs in Pine Canyon. 137 Comment
  JEPS100074  Cynoglossum grande S. O'Neil 2003-2-25 SEO 6 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC615167  Cynoglossum grande Beryl O. Schreiber 1932-2-27 27 Contra Costa Redwood Canyon Comment
  UCD119162  Cynoglossum grande William B. Davis 1960-3-26 10 Contra Costa North Scenic Boulevard, ca. 1 mile below the North Gate of Mt. Diablo State Park. Comment
  UCSB21184  Cynoglossum grande Jones, D. 1967-3-25 Contra Costa Mt. Diablo State Park 475 Comment
  JEPS99547  Cynosurus echinatus Mary Bowerman 1975-6-7 Contra Costa Mount Diablo, Big Spring. Comment
  SEINET3909439  Cyperus eragrostis T. Morley 1940-12-3 90 Contra Costa Banks at upper end of San Leandro Lake near mouth of Redwood Creek.; 0 130 Comment
  UC2070507  Cyperus erythrorhizos Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19803 Contra Costa Mudflats at upper (south) end of San Pablo Dam Reservoir northwest of Orinda. Comment
  UCD150887  Cyperus esculentus James A. Neilson Jr. 1972-11-2 3615 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  RSA666380  Cytisus monspessulanus Barbara J. Ertter 1991-5-12 9816 Contra Costa Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay. Comment
  UC1790262  Datura stramonium Rudolf Schmid 2005-8-15 2005 -2 Contra Costa 16 Edwin Fr., Kensington, CA 94707-1022 169 Comment
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Apr 2 2012
  UC2029145  Datura stramonium Barbara Ertter 1999-8-21 16790 Contra Costa Lower Mitchell Canyon Road on NW base of Mount Diablo. Comment
  JEPS111615  Daucus pusillus D. G. Kelch 2004-5-9 04 .206 Contra Costa Crockett - Upper Edwards Canyon, above Crockett Blvd 160 Comment
  JEPS20071  Deinandra corymbosa Peter H. Raven 1957-7-5 11052 Contra Costa tip of Point Isabel Point Isabel Comment
  CAS-BOT-BC294016  Deinandra kelloggii Alice Eastwood 1921-4-18 10300 Contra Costa Antioch Comment
  CAS-BOT-BC294024  Deinandra kelloggii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UCD131076  Deinandra kelloggii Ann F. Johnson 1978-7-1 AN- 43 Contra Costa tall tarweed in dry grassy area near west PG and E tower, Antioch Dunes. Comment
  JEPS111750  Delairea odorata D. G. Kelch 2005-4-15 05 .140 Contra Costa Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump) 220 Comment
  UC691949  Delphinium californicum Mary L. Bowerman 1931-5-16 863 Contra Costa clearing n of road at foot last steep stretch; Mount Diablo, Meridian Peak summit 1143 Comment
  UCD95636  Delphinium californicum P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC8748  Delphinium hansenii H. Lewis; C. Epling 1946-5-5 605 Contra Costa 0.5 miles south of Somersville Comment
  LA207418  Delphinium hansenii H. Lewis; Carl Epling 1946-5-5 605 Contra Costa 0.5 mi. S of Somersville Comment
  UC1018264  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1947-5-4 703 Contra Costa Marsh Creek Road 5.8 mi e Curry Creek Park Road Comment
  CAS-BOT-BC10307  Delphinium hesperium Miss Mary Leolin Bowerman 1938-5-25 3635 Contra Costa North Road 21 miles from North Gate 182 Comment
  POM300586  Delphinium hesperium Mary L. Bowerman 1931-5-2 786 Contra Costa Foot of Eagle Point ridge: Grassy slope at edge of wooded hill Comment
  SEINET11268200  Delphinium hesperium subsp. hesperium Barbara Ertter 1998-5-13 16137 Contra Costa In hills south of Pittsburg, head of SE branch of Loughler Loop Trail.; 0 305 Comment
  CAS-BOT-BC10010  Delphinium hesperium subsp. pallescens E. Wright 1917-6-1 S. N. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC10012  Delphinium hesperium subsp. pallescens Edward Lee Greene 1889-3-24 285 Contra Costa Byron Comment
  UC1126003  Delphinium hesperium subsp. pallescens C. M. Belshaw 1936-5-15 2117 Contra Costa 2 mi ENE of North Peak; Mount Diablo 228 Comment
  LA207542  Delphinium hesperium subsp. pallescens H. Lewis; Carl Epling 1944-6-5 sn Contra Costa 1 mi. S of Marsh Creek Rd. on the Beck Rd. to Livermore Comment
  UC765793  Delphinium nudicaule R. F. Hoover 1938-5-4 3340 Contra Costa Marsh Creek Canyon Comment
  UCSC000276  Delphinium nudicaule W. E. Fair 1929-3-22 s.n. Contra Costa Mount Diablo Comment
  UC9189  Delphinium parryi subsp. parryi J. Burtt Davy 1895-4-8 975 Contra Costa foothills Antioch Comment
  UC9200  Delphinium patens J. Burtt Davy 1895-4-7 964 Contra Costa foothills Antioch Comment
  UC635344  Delphinium patens H. L. Mason 1929-3-29 5136 Contra Costa Marsh Creek Rd 2 mi above Clayton Comment
  UC692090  Delphinium patens subsp. patens Mary L. Bowerman 1933-5-17 2110 Contra Costa branch of Curry due s Olafsen's barn (w-facing bank 20 ft above stream); Mount Diablo Comment
  JEPS65179  Delphinium recurvatum L. R. Heckard 1971-4-15 2488 Contra Costa railroad embankment at intersection of Holey Rd; s of Byron Comment
  LA207610  Delphinium recurvatum Carl Epling; G. Miles 1945-3-23 542 Contra Costa 5 mi. W Tracy- Byron Road on rd. to Byron Hot Springs Comment
  LA207616  Delphinium recurvatum Carl Epling; 1945-3-23 542 Contra Costa 5 mi. W of Hwy. 120 on Byron Hot Springs rd Comment
  UC692140  Delphinium variegatum Mary L. Bowerman 1931-4-25 758 Contra Costa between the old stage road and Oak Knoll Picnic Grounds; Mount Diablo 822 Comment
  LA207575  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
  POM199453  Delphinium variegatum subsp. variegatum Katherine Brandegee s.n. Contra Costa Antioch Comment
Read comments
Sep 3 2010
  HSC8594  Dendromecon rigida D. A. Shally 1965-4-18 32 Contra Costa Canyon, 1.5 mi. NE of Canyon Store on 'fire trail Comment
  UC60233  Deschampsia cespitosa subsp. beringensis Jos. Burtt Davy 1900-6-7 6667 Contra Costa near Martinez Martinez Comment
Read comments
Sep 27 2007
  UC2029179  Deschampsia elongata Barbara Ertter with Alan Prather 2003-6-7 18209 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail. Comment
  JEPS9568  Dicentra chrysantha W. L. Jepson 1920-8-12 9076 Contra Costa s slope towards summit Mt. Diablo Comment
  JEPS64178  Dichelostemma capitatum Adele Grant Mar 1914 Contra Costa Antioch Comment
  SEINET3559560 Image available Dichelostemma capitatum Lewis S. Rose 1932-3-15 3284 Contra Costa Byron. Comment
  UC1133877  Dichelostemma capitatum C. M. Belshaw 1936-5-8 2060 Contra Costa se slope Mt. Diablo; Mt. Diablo Quad. 990 Comment
  UC30118  Dichelostemma capitatum W. C. Blasdale 1896-2-28 Contra Costa Clayton Comment
  UC480634  Dichelostemma capitatum Carl Meyer 1928-2-22 297 Contra Costa Mt. Diablo Comment
  UCD139417  Dichelostemma capitatum subsp. capitatum P. B. Kennedy 1914-3-15 4631 Contra Costa Sunset Cemetery. Comment
  JEPS112511  Dichelostemma congestum D. G. Kelch 2004-5-7 04 .182 Contra Costa Ca ada del Cierbo 40 Comment
  UC1795853  Dichondra donelliana Barbara Ertter, Gary Schoolcraft 1996-4-7 14574 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower. Comment
  CDA1975  Digitaria sanguinalis D. G. Kelch, A. G. Murdock 2005-6-27 5 .39 Contra Costa Carquinez Strait; 6th Street at Lillian Street, Crockett. Comment
  JEPS121009  Digitaria sanguinalis D. G. Kelch 2006-9-6 06 .469 Contra Costa Elkhorn Creek, E of Crockett 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-BC150327  Diplacus aurantiacus L. R. Abrams 1916-6-30 5704 Contra Costa Mt. Diablo Comment
  RSA0068054  Diplacus aurantiacus Katie Gallagher, Nick Jensen 2014-4-26 198 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  CAS-BOT-BC121839  Dirca occidentalis Walter Knight; Irja Knight 1967-1-24 2057 Contra Costa Tilden Regional Park, near little train Comment
  CAS-BOT-BC121842  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
  UC766022  Dirca occidentalis R. F. Hoover 1938-3-8 2822 Contra Costa e slope Grizzly Peak ridge Comment
  LA209792  Dirca occidentalis Joseph Andorfer Ewan; 1934-3-10 8643 Contra Costa Wildcat Canyon, 2 mi below Orinda Rd bridge, Comment
  LA209793  Dirca occidentalis Joseph Andorfer Ewan; 1936-4-15 9444 -a Contra Costa NE side Bald Peak, San Pablo Ridge Comment
  JEPS112508  Disporum hookeri A. G. Murdock 2003-6-2 83 Contra Costa Franklin Canyon - McHarry Ranch Rd. 137 Comment
  RSA0028902  Distichlis spicata Barbara Ertter, Dan Norris 1999-11-14 16851 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  UCR198215  Dittrichia graveolens Dean Kelch, A. G. Murdock 2005-11-3 05 .489 Contra Costa Carquinez Strait, entrance to Mt. Wanda 37 Comment
  UCD131226  Dittrichia graveolens Tina Carlsen; R. E. Preston 1996-10-9 s.n. Contra Costa on east side of Greenville road, around 0.5 mile south of I-580. 182 Comment
  UC2062624  Dodecatheon clevelandii subsp. patulum Barbara Ertter with Steve Matson 2003-3-15 18109 Contra Costa Black Diamond Mines Regional Preserve, Black Diamond Trail in SW corner of park. Comment
  CHSC21632  Dodecatheon hendersonii Willis Ball 1975-3-9 493 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope near top of hill ca. 550 yds sw of main parking lot ca. 850 yds w of Contra Loma Blvd. 149 Comment
  JEPS20291  Downingia insignis Lewis S. Rose 1956-4-16 56017 Contra Costa 2 mi se Byron 7 Comment
  OBI20959  Downingia insignis Robert F. Hoover 1967-4-28 10503 Contra Costa Byron Hot Springs Comment
  UC1188741  Downingia insignis John H. Weiler 1959-4-11 5950 Contra Costa 1.5 mi s Byron (on the e side of the road) Comment
  UC1315008  Downingia insignis R. F. Hoover 1967-4-28 10503 Contra Costa Byron Hot Springs Comment
  UC1736620  Downingia insignis Dean W. Taylor 1991-5-2 11632 Contra Costa Byron Hot Springs Road, ca. 0.3 miles S of Holey Road, 39 Comment
  UC1751038  Downingia insignis Annetta M. Carter 1951-5-13 3054 Contra Costa 3.3 mi. S of Byron. Comment
  UC766347  Downingia insignis R. F. Hoover 1941-4-12 4839 Contra Costa 1 mi n Lone Tree Valley Comment
  RSA436120  Downingia insignis L. S. Rose 1936-4-24 36154 Contra Costa 8 miles S of Antioch. 30 Comment
  RSA622149  Downingia insignis John A. Churchill 1974-4-15 7441521 Contra Costa Between Route K4 and railroad at Holey Road. Comment
  UC691093  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1930-6-18 343 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  JEPS60041  Dryopteris arguta W. L. Jepson 1923-4-22 9869 Contra Costa Mt Diablo Comment
  UC692114  Dryopteris arguta Mary L. Bowerman 1930-8-24 427 Contra Costa lower trail Mitchell Canyon; Mt. Diablo 259 Comment
  UC1795646  Dudleya farinosa Barbara Ertter, Brad Olson 1994-5-7 12763 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UCD158709  Dysphania James A. Neilson Jr. 1972-10-22 3623 a Contra Costa Contra Costa County. Lower Pine Creek. (Elevation estimated using Google Earth by label maker.) 15 Comment
  UCD60759  Echinochloa colona Beecher Crampton 1965-9-26 7528 Contra Costa 2 miles south of Brentwood, junction Walnut Ave, and Marsh Creek Road. Comment
  UC2028504  Echinochloa colona Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16403 Contra Costa North Gate Road on west side of Mount Diablo, 0.7 miles below Diablo Ranch Comment
  CAS-BOT-BC197106  Echinochloa crus-galli R. E. Frenkel 1963-8-23 274 Contra Costa On the lot in front of Market Plaza Center on Highway 21, Alamo 79 Comment
  UC2028516  Echinochloa crus-galli Barbara Ertter 1996-11-24 15421 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-BC291117  Eclipta prostrata Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3270 Contra Costa Browns Island. Point Emmet Comment
  CAS-BOT-BC112795  Eleocharis macrostachya Walter Knight; Irja Knight 1978-10-9 3320 Contra Costa Contra Loma Regional Park, Antioch, at reservoir's edge Comment
  SEINET10747423  Eleocharis macrostachya Barbara J. Ertter 1991-9-28 Ertter 10836 Contra Costa San Pablo Reservoir between Orinda and El Sobrante, dried mud flats at S en of reservoir, 91 Comment
  SEINET3874805  Elodea densa L. Thorne, N. Thorne 1987-9-20 s.n. Contra Costa The Delta Area, Frank's Tract. Plant growing in the water. Brazilian water-weed, used in aquariums.; 0 Comment
  UC756631  Elymus G. L. Stebbins Jr. 1946-6-9 3660 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  POM205573  Elymus X gouldii Jos Burtt Davy 1898-05 1742 Contra Costa Port Costa, on a steep bank Comment
  RSA129552  Elymus X gouldii H. S. Yates 1933-6-18 3649 Contra Costa Mt Diablo; Near Danville 137 Comment
  RSA264278  Elymus X gouldii A. A. Beetle 1941-6-24 1751 Contra Costa Pt. Richmond on San Francisco Bay Comment
  RSA108336  Elymus X gouldii Frank W. Gould 1941-7-4 1303 Contra Costa On wastelands along Bay just north of Albany race track. Comment
  UC691206  Elymus glaucus Mary L. Bowerman 1933-5-3 1988 Contra Costa Mountain Springs Canyon Mount Diablo (at trough for deer (later Pioneer fire rd was built across canyon at this spot), 3 ft from stream) Comment
  CAS-BOT-BC203431  Elymus glaucus subsp. glaucus Mary L. Bowerman 1934-4-21 2542 Contra Costa Mount Diablo. Beside Pioneer Camp road east of Pioneer Camp Comment
  SEINET10558327  Elymus glaucus var. jepsonii Willis L. Jepson 1943-6-8 Jepson 20848 Contra Costa Northeast slope in woods. Moraga Ridge. Comment
  UC2028480  Elymus multisetus Barbara Ertter with Richard K. Brummitt 1998-5-6 16103 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  POM301024  Elymus trachycaulus subsp. trachycaulus Mary L. Bowerman 1933-6-3 2234 Contra Costa Mount Diablo Summit. Ransom Point Trail Comment
  UC2028385  Elymus triticoides Barbara Ertter 1998-6-20 16255 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, wet margin of Willow Spring Pond south of Ginder Gap Comment
  JEPS96227  Elytrigia intermedia subsp. intermedia Barbara Ertter with Lynne Hosley and Sid Cowles 1992-6-7 11084 Contra Costa along rd. to quarry e. of Round Top Sibley Volcanic Regional Preserve; Oakland Hills, Sibley Volcanic Regional Preserve Comment
  CDA2059  Elytrigia repens Margaret Bellue 1948-1 Contra Costa Moraga Del Rey. (Vicinity S.F.) Moraga . 0 Comment
  JEPS108314  Emmenanthe penduliflora David Gowen 2005-5-24 389 Contra Costa Mt. Diablo. Near summit of knoll west of Mt. Zion. Comment
  JEPS1582  Emmenanthe penduliflora W. L. Jepson 1921-5-22 9205 Contra Costa .66 way to summit Mt. Diablo Comment
  UC2045290 Image available Emmenanthe penduliflora Mary L. Bowerman 1930-6-10 313 Contra Costa Meridian Peak summit Comment
  JEPS111573  Epilobium brachycarpum D. G. Kelch 2004-9-2 04 .336 Contra Costa Pacheco Marsh Marsh east of Martinez and I-680 and east of lone tree Marsh. 5 Comment
  UC1584692  Epilobium brachycarpum Jerry Powell 1987-11-1 1521 Contra Costa Point Molate Richmond (along railroad bed) Comment
  UC692459  Epilobium brachycarpum Mary L. Bowerman 1930-8-31 448 a Contra Costa e main road (near gully); Mount Diablo, Inner Black Hills Comment
  UC692518  Epilobium brachycarpum Mary L. Bowerman 1938-9-11 3712 Contra Costa Curry Canyon Mount Diablo (bank of stream) 243 Comment
  UCD105401  Epilobium brachycarpum Peter Rubtzoff 1954-9-14 1748 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  UC101786  Epilobium campestre Katharine Brandegee 1907-6-16 Contra Costa near S.P. Station; Antioch Comment
  UC692453  Epilobium canum subsp. canum Mary L. Bowerman 1930-8-24 430 Contra Costa Mitchell Canyon Mount Diablo (at lower edge of chaparral where it extends nearly to streambed) Comment
  UC914255  Epilobium canum subsp. canum Verne Grant and Alva Grant 1946-9-29 7877 Contra Costa near old tunnel road; Berkeley Hills Comment
  CAS-BOT-BC166163  Epilobium canum subsp. canum L. R. Abrams 1910-10-8 4338 Contra Costa Mt. Diablo near Wall Pt. 457 Comment
  CAS-BOT-BC166168  Epilobium canum subsp. canum H. E. McMinn 92 Contra Costa From n. slope of Mt. Diablo near the summit Comment
  CAS-BOT-BC166827  Epilobium canum subsp. latifolium A. D. E. Elmer 1903-7-1 4620 Contra Costa Mount Diablo Comment
  UC2028972  Epilobium ciliatum subsp. ciliatum Barbara Ertter 2000-7-16 17392 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC692449  Epilobium densiflorum Mary L. Bowerman 1930-6-28 390 Contra Costa Lower Silver Spring Mount Diablo (marshy area) 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
  POM300656  Epilobium minutum Mary L. Bowerman 1933-6-3 2244 Contra Costa Mount Diablo: summit, on north face. Comment
  UC692443  Epilobium torreyi Mary L. Bowerman June 1942 3847 Contra Costa lower Rock City Camp; Mount Diablo Comment
  JEPS64374  Epipactis gigantea C. F. Saunders 1911-10-15 Contra Costa Mt. Diablo Comment
  UC692096  Epipactis gigantea Mary L. Bowerman 1931-5-28 906 Contra Costa Castle Rock Ranch Mount Diablo, Pine Canyon (e end, gully to s, on dry waterfall between two pools) Comment
  UC1005902  Epiphyllum N. Floy Bracelin 1943-5-16 2513 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS79478  Equisetum hyemale subsp. affine Edward Lee with C. Belshaw 1935-7-28 1700 Contra Costa w. end Las Trampas Ridge 426 Comment
  JEPS111942  Equisetum telmateia subsp. braunii D. G. Kelch 2004-7-9 04 .292B Contra Costa Crockett: Edwards Creek 5 Comment
  UC692131  Equisetum telmateia subsp. braunii Mary L. Bowerman 1939-3-31 3737 Contra Costa Johnny Walker Spring Mt. Diablo 731 Comment
  POM300619  Equisetum telmateia var. braunii Mary L. Bowerman 1930-8-24 433 Contra Costa MItchell Canyon. 252 Comment
  POM300620  Equisetum telmateia var. braunii Mary L. Bowerman 1939-3-31 3737 Contra Costa Johnny Walker Spring. 732 Comment
  CDA4553  Erechtites glomeratus D. G. Kelch 2005-5-5 5 .218 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  UC1784081  Eriastrum ertterae Barbara Ertter with Tony Morosco 1998-10-18 16441 Contra Costa Lime Ridge Open Space, in saddle SE of microwave towers on summit Comment
Read comments
Oct 13 2013
  CAS-BOT-BC514610  Eriastrum pluriflorum subsp. pluriflorum T. S. Brandegee 1883-6-1 s.n. Contra Costa Antioch Comment
  UC133927  Eriastrum sapphirinum Katharine Brandegee May 1889 Contra Costa Judsonville Comment
  UC1118629  Ericameria arborescens R. W. Lundh 1932-8-29 153 Contra Costa 2/3 mi n of Eagle Point; Mt. Diablo Quadrangle 457 Comment
  UC691866  Ericameria arborescens Mary L. Bowerman 1932-9-17 1583 Contra Costa w fork Donner Canyon (bank between upper forks); Mount Diablo 304 Comment
  POM359374  Ericameria linearifolia H. E. McMinn 1922-6-2 96 Contra Costa Near summit of Mt. Diablo Comment
  UC1543102  Ericameria linearifolia Donald G. Nelson 1937-4-24 520 a Contra Costa on March Creek Road in rolling hill country n of Byron (edge of gravely soil pit evidently dug out of former bank of stream, open sunny area) Comment
  UC36553  Ericameria linearifolia W. H. Brewer 1862-5-7 1054 Contra Costa Mount Diablo Comment
  UC36557  Ericameria linearifolia F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC75068  Ericameria linearifolia C. F. Baker 1903-4-28 2942 Contra Costa Mitchell's Canyon Mt. Diablo, Mitchell's Canyon (Mt. Diablo, open mountain slopes) Comment
  CDA42377  Erigeron foliosus var. franciscensis D. G. Kelch 2012-6-1 12 .095 Contra Costa Carquinez Strait Region; 1 km east of Port Costa in the vicinity of the old brick factory. Comment
  SBBG44960  Erigeron petrophilus J. A. Ewan 1936-7-5 9735 Contra Costa Wildcat Crk Comment
  UC536674  Erigeron petrophilus var. petrophilus G. Ledyard Stebbins 1935-9-15 Contra Costa Wildcat Canyon Berkeley Hills, Wildcat Canyon Comment
  JEPS41373  Erigeron philadelphicus var. philadelphicus W. L. Jepson 1922-5-26 9672 Contra Costa North Berkeley Hills Comment
  CAS-BOT-BC224219  Eriodictyon californicum L. R. Abrams 1921-5-25 8061 Contra Costa On road to summit, Mt Diablo Comment
  POM300599  Eriogonum Mary L. Bowerman 1932-8-27 1524 Contra Costa Mount Diablo. South of Turtle Rock: Grassy slope; also on Turtle Rock. Comment
  UC194953  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 182 Comment
  CDA22594  Eriogonum fasciculatum var. foliolosum A. G. Murdock, D. G. Kelch 2004-3-19 233 Contra Costa Carquinez Strait; Hercules - Carbon. Comment
  UC1032304  Eriogonum gracile G. T. Nordstrom 1937-10-28 1409 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quadrangle Comment
  UC762634  Eriogonum gracile R. F. Hoover 1940-11-23 4695 Contra Costa 2 mi s Byron Comment
  CAS-BOT-BC250384  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley Comment
  CAS-BOT-BC250387  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley Comment
  RSA97513  Eriogonum gracile var. gracile Beecher Crampton 1949-7-15 480 Contra Costa Foothills, above the site of the extinct town of Judsonville, south of Antioch Comment
  UC692150  Eriogonum inerme Mary L. Bowerman 1933-6-7 2256 Contra Costa North Peak Ridge Mt. Diablo, North Peak Ridge 1021 Comment
Read comments
May 14 2019
  JEPS116889  Eriogonum inerme David Gowen 2007-6-10 761 Contra Costa Mt. Diablo State Park. Gravel opening in chaparral near antenna area north of summit parking lot. Comment
  CAS-BOT-BC259139  Eriogonum latifolium John Thomas Howell 1930-7-4 5336 Contra Costa In the north Berkeley Hills Comment
  JEPS57048  Eriogonum luteolum var. caninum W. L. Jepson 1894-10-1 Contra Costa Oakland Hills; w slope, towards Redwood Peak Comment
  JEPS116767  Eriogonum luteolum var. luteolum David Gowen 2006-7-5 634 Contra Costa North of Morgan Territory Regional Preserve. Steep chaparral slope on east side of Hog Canyon (Sycamore Creek). Comment
  UC692045  Eriogonum nudum var. auriculatum Mary L. Bowerman 1930-8-24 424 Contra Costa Mitchell Canyon, lower trail Mount Diablo Comment
  UC692165  Eriogonum nudum var. auriculatum Mary L. Bowerman 1933-9-3 2425 Contra Costa North Peak ridge Mount Diablo Comment
  UC692202  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1593 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 441 Comment
  UC692203  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1593 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 441 Comment
  CAS-BOT-BC268909  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-4 5337 Contra Costa In the north Berkeley Hills Comment
  UC1795738  Eriogonum nudum var. auriculatum Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14675 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area. Comment
  CAS-BOT-BC269820  Eriogonum nudum var. psychicola Jerry A. Powell 1962-8-19 3082 Contra Costa Ca. 2 miles east of Antioch Comment
  SEINET10733565 Image available Eriogonum nudum var. psychicola Barbara J. Ertter 1997-8-18 Ertter 15766 Contra Costa Antioch Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard, fine pale brown sand. Comment
  RSA39904  Eriogonum roseum P. A. Munz 1947-10-8 12207 Contra Costa Antioch 8 Comment
  CAS-BOT-BC267442  Eriogonum truncatum John Thomas Howell 1934-4-8 11816 Contra Costa 10 miles from Clayton on Marsh Creek Road Comment
  CAS-BOT-BC298507  Eriophyllum confertiflorum Alice Eastwood 1915-6-21 4739 Contra Costa San Leandro Comment
  JEPS75549  Eriophyllum confertiflorum var. confertiflorum P. F. Yorks 1974-6-16 176 Contra Costa on Hampton Road 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS99951  Eriophyllum confertiflorum var. confertiflorum G. Smick 2003-5-13 GAS 187 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD132123  Eriophyllum jepsonii John Thomas Howell 1950-7-5 26636 Contra Costa above Nortonville. Comment
  JEPS34599  Eriophyllum lanatum var. achilleoides W. L. Jepson 1891-5-24 14563 Contra Costa Mt. Diablo Comment
  UC691665  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-22 3065 Contra Costa Eagle Point Ridge = most w of two ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point Ridge 365 Comment
  CAS-BOT-BC300965  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 101 Contra Costa South slope, just below summit of Mount Diablo 1066 Comment
  CAS-BOT-BC300974  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1930-6-14 326 Contra Costa Mount Diablo. Near summit Comment
  CAS-BOT-BC300977  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-5-22 2163 Contra Costa Mount Diablo. Cave Point ridge Comment
  POM301020  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1938-6-14 3687 Contra Costa Rocky roadside bank 0.3 mile below Muir Area 960 Comment
  POM301034  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-22 3065 Contra Costa Most westerly of the two ridged which converge at Twin Peaks (Eagle Point Ridge) 366 Comment
  UC2028366  Eriophyllum lanatum var. achilleoides Barbara Ertter 1998-6-20 16258 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, south side of Flat Top Comment
  UC31762  Eriophyllum staechadifolium H. M. Hall 1901-3-16 1650 Contra Costa Point Richmond San Francisco Bay region, Point Richmond Comment
  CDA29765  Erodium botrys D. G. Kelch, Troy MacGregor 2009-5-1 9 .266 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  JEPS75517  Erodium cicutarium P. F. Yorks 1974-2-24 113 Contra Costa ca 1.9 km s Bear Creek Road on Hampton Road (n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  RSA181410  Erodium cicutarium James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  JEPS105685  Erodium macrophyllum David Gowen 2003-2-23 s. n. Contra Costa Black Diamond Mines Regional Park, w-facing hillside ca. 1 km due E of Sidney Flat Comment
  UC17062  Erodium macrophyllum J. Burtt Davy 1895-4-7 945 Contra Costa Antioch Comment
  UC692373  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1935-5-22 3054 Contra Costa saddle w. Twin Peaks (just s. of crest, Mt. Diablo); Mt. Diablo 441 Comment
  CDA38328  Eryngium armatum D. G. Kelch 2007-4-1 7 .108 Contra Costa Carquinez Strait; Pt. Pinole. Comment
  UCD127482  Eryngium articulatum Walter Knight; Irja Knight et al. 1978-9-5 3235 Contra Costa Browns Island. Botany Cove. Comment
  UC691872  Eryngium castrense Mary L. Bowerman 1931-6-16 926 Contra Costa by old <Govornment> Trail Chase Pond; Mt. Diablo, Chase Pond 563 Comment
  CDA38316  Eryngium jepsonii D. G. Kelch 2002-5-13 2 .003 Contra Costa Carquinez Strait Region; Pt. Costa - Shore: Above Pt. Costa (above road between McEwen and EBRP staging area). Along old river channel. Comment
  JEPS111619  Eryngium jepsonii D. G. Kelch 2004-7-9 04 .297 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. Just west of Pt. Costa 60 Comment
  UC1745504  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  UC20994  Eryngium vaseyi J. Burtt Davy 1900-3-24 6524 Contra Costa salt marsh near Stege Comment
  SEINET9111554  Eryngium vaseyi var. castrense Lincoln Constance, Alava, Reino and Bacigalupi, Rimo 1958-6-6 3661 Contra Costa Open country 3 miles southeast of Byron, San Joaquin Valley 11 Comment
  CAS-BOT-BC40762  Erysimum capitatum W. W. Carruth 1901-3-1 s.n. Contra Costa Mount Diablo. Comment
  CAS-BOT-BC40774  Erysimum capitatum J. H. Thomas 1953-4-25 3010 Contra Costa Antioch sand hills along San Joaquin River, 0.2 mile west of Antioch Bridge. Comment
  CAS-BOT-BC40760  Erysimum capitatum Mary L. Bowerman 1935-4-26 2915 Contra Costa Mount Diablo. West of the ridge west of Indian Ceremonial Spring, just below the Old Stage Road. 1005 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
  UC1034753  Erysimum capitatum var. capitatum G. B. Rossbach 1955-3-13 570 Contra Costa dunes along tidal estuary of river just e Antioch; San Joaquin R Comment
  CAS-BOT-BC402991  Eschscholzia californica Philip A. Munz 1947-10-8 12190 Contra Costa Antioch 12 Comment
  CAS-BOT-BC402995  Eschscholzia californica Alice Eastwood 1915-5-30 4545 Contra Costa Mt. Diablo Comment
  SEINET11263885  Eschscholzia californica Barbara Ertter, Tony Morosco 1996-7-27 15039 Contra Costa Cardinet Oaks Road at crossing of Donner Creek.; 0 335 Comment
  UC10018  Eschscholzia californica J. Burtt Davy April 1897 Contra Costa Point Isabel Comment
  UC118493  Eschscholzia californica T. S. Brandegee May 1883 Contra Costa Antioch Comment
  CAS-BOT-BC402986  Eschscholzia californica A. A. Heller 1906-4-14 8177 Contra Costa Tracy Comment
  CAS-BOT-BC5937  Eschscholzia recta Mary Katherine (Mrs.) Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  UC1789218  Eucalyptus tereticornis Barbara Ertter 1993-11-13 12318 Contra Costa Sibley Volcanic Regional Preserve in Oakland Hills S of Orinda, pine & eucalypt forest on south side of Round Top, ca 1500 ft.; locally established tree with peeling bark. Comment
  UC24009  Eucrypta chrysanthemifolia var. chrysanthemifolia Jos. Burtt Davy 1901-4-21 6923 Contra Costa Wildcat Canyon Comment
  UC592184  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L. Mason 1928-4-29 4424 Contra Costa Mount Diablo Comment
  UC2028112  Eucrypta chrysanthemifolia var. chrysanthemifolia Barbara Ertter with Christopher Baysdorfer 1998-5-10 16110 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail. Comment
  RSA224327  Euphorbia crenulata Paul F. Covel 1938-5-1 1496 Contra Costa Old Tunnel Road. Comment
  UCD142623  Euphorbia maculata Terri Williamson 1990-5-22 67 Contra Costa Pleasant Hill, 212 Poshard St. 12 Comment
  CDA37280  Euphorbia oblongata D. G. Kelch 2011-3-31 11 .073 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  CDA4844  Euphorbia oblongata T. C. Fuller 1961-7-6 6585 Contra Costa Carquinez Strait; Alhambra Valley, Highway 4, 0.5 mile west of Glen Frazier Station, ca. 4 miles west of Martinez. 0 Comment
  CDA4845  Euphorbia oblongata T. C. Fuller 1958-7-3 1231 Contra Costa Carquinez Strait; Highway 4, 4 miles west of Martinez. 0 Comment
  RSA119277  Euphorbia oblongata T. C. Fuller 1958-7-30 s.n. Contra Costa Contra Costa County: bench above creek and along roadside, Hwy 4, 3 miles W of Martinez 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
  UC697207  Eurybia radulina Mary L. Bowerman 1932-9-5 1549 Contra Costa Inner Black Hills e of the meridian Black Hills Comment
  JEPS68932  Euthamia occidentalis Edward Lee 1934-9-30 1229 Contra Costa Moraga; just sw of station, tule swamp Comment
  CDA2178  Festuca arundinacea T. C. Fuller 1961-9-13 7002 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  JEPS75103  Festuca californica W. L. Jepson 1918-6-5 7614 Contra Costa Donner Canyon Mt. Diablo, North Peak 701 Comment
  UC692366  Festuca californica Mary L. Bowerman 1931-4-25 757 Contra Costa Mount Diablo, near junction of s and w roads Mount Diablo Comment
  UC2028144  Festuca microstachys Barbara Ertter 1998-4-4 15971 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill. Comment
  UC2028484  Festuca microstachys Barbara Ertter 1998-5-3 16041 Contra Costa Dusty Road at north end of Wall Point Ridge, southwest flank of Mount Diablo Comment
  UC2028969  Festuca myuros Barbara Ertter 2003-2-8 18092 a Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CAS-BOT-BC278927  Festuca rubra J. Burtt Davy 1897-4-1 s.n. Contra Costa Point Isabel Comment
  CDA28219  Festuca rubra A. G. Murdock, D. G. Kelch 2004-5-28 269 Contra Costa Carquinez Strait Region; Pinole Peak. 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
  CDA5267  Filago californica D. G. Kelch, A. G. Murdock 2005-5-13 5 .278 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive. Comment
  CHSC75044  Foeniculum vulgare Roger Thom 1987-5-18 13 Contra Costa 1.0mi from intersection with Pleasant Hill Rd on Reliez Valley Road. Lafayette. (1600 block) 182 Comment
  CDA133  Forestiera pubescens D. G. Kelch, D. A. Weinstein 2007-10-14 7 .635 Contra Costa Carquinez Strait; Martinez. Rankin Park. 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
  UC691117  Fragaria vesca Mary L. Bowerman 1931-3-29 623 Contra Costa n-face East Cave Point Ridge; Mount Diablo Comment
  JEPS111552  Fraxinus angustifolia D. G. Kelch 2005-5-13 05 .250 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  CAS-BOT-BC223392  Fraxinus dipetala H. E. McMinn 1922-10-1 407 Contra Costa Mitchell Canon [Canyon], Mt. Diablo Comment
  UC691855  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3104 Contra Costa first small ridge e Mitchell-Pine divide; Mount Diablo 975 Comment
  CDA28928  Fritillaria agrestis V. Guise 2009-3-2 PDR# 1503558 Contra Costa Livermore, Morgan Territory Road, near Doubletree Lane. 0 Comment
Read comments
Oct 1 2011
  UCR263793  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Central Coast, Miller Knox Regional Park near Point Richmond, southeast of Richmond Ramblers building 15 Comment
  CAS-BOT-BC422442  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building). 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
  UC28155  Galium andrewsii subsp. gatense F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  SEINET5739095 Image available Galium aparine Carole Meredith 1968-1 11 Contra Costa Roadside bank in forest area, 1.7 miles SE of Moraga on Canyon Road.; Moraga 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
  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
  JEPS97597  Galium porrigens R. D. Stone 1981-3-23 346 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (northeast of intersection of Skyline Blvd. and Snake Rd.) Comment
  JEPS112101  Galium porrigens var. porrigens D. G. Kelch 2003-4-3 03 .357 Contra Costa Cummings Skyway 134 Comment
  JEPS112104  Galium spurium D. G. Kelch 2003-3-21 03 .76 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC579540  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (ne of Mt. Diablo); Mt. Diablo Quadrangle 121 Comment
  UC672198  Gamochaeta ustulata H. L. Mason 1928-4-12 4302 Contra Costa Richmond waterfront Comment
  CAS-BOT-BC200626  Garrya elliptica W. W. Carruth 1902-4-1 s.n. Contra Costa E. Oakland Hills Comment
  CAS-BOT-BC200630  Garrya elliptica H. E. McMinn 810 Contra Costa Oakland Hills Comment
  UC2029048  Garrya elliptica Barbara Ertter with Linda Vorobik 2000-1-9 16890 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  UC692520  Garrya flavescens Mary L. Bowerman 1932-9-3 1539 Contra Costa Mount Diablo Summit; Mount Diablo Comment
  RSA721733  Garrya flavescens subsp. flavescens Barbara Ertter, Holly C. Forbes 1996-2-11 14549 Contra Costa North side Mount Diablo; Murchio Gap on Median Ridge Road. 732 Comment
  CAS-BOT-BC169944  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  SEINET3558664 Image available Garrya fremontii Lewis S. Rose 1934-2-28 34041 Contra Costa Summit Mount Diablo. Comment
  CAS-BOT-BC282608  Gastridium phleoides Mary L. Bowerman 1933-5-25 2190 Contra Costa Oyster Ridge, west end of south face, Mount Diablo Comment
  CAS-BOT-BC282612  Gastridium phleoides Mary L. Bowerman 1935-7-22 3191 Contra Costa Hidden Pond, south side Meridian Peak, Mount Diablo Comment
  SEINET10963567  Gastridium phleoides Virginia E. Long 1933-6-14 Long 224 a Contra Costa Mt. Diablo. Grassy ridge of Curry Cave trail. 366 Comment
  RSA691922  Gaura parviflora Barbara Ertter 1991-9-22 10827 Contra Costa Point Isabel Regional Shoreline in southwest El Cerrito, along abandoned railroad right-of-way, near asphalt heap Comment
  CDA34087  Genista monspessulana D. G. Kelch, D. A. Weinstein 2011-3-5 11 .032-B Contra Costa Carqionez Strait Region.; Pt. Pinole. Comment
  UCR265172  Genista monspessulana Barbara Ertter 1991-5-12 9816 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
  CDA4659  Geranium dissectum D. G. Kelch, A. G. Murdock 2003-3-28 3 .089 Contra Costa Carquinez Strait Region; Rodeo - Lone Tree Point. Comment
  UCD103337  Geranium dissectum Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  OBI72045  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of jctn of Grizzly Peak Blvd & Golf Course Dr Comment
  UC909027  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1934-3-31 8053 Contra Costa 11 mi s Marsh Creek Road (on road from Marsh Creek to Livermore); 11 mi s Marsh Creek Road, rd from Marsh Creek to Livermore 609 Comment
  RSA722061  Gilia achilleifolia subsp. multicaulis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14226 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point 488 Comment
  SEINET12278771  Gilia capitata H. M. Hall 1901-1 s.n. Contra Costa Region of San Francisco Bay, Mt. Diablo Comment
  UC691646  Gilia capitata subsp. capitata Mary L. Bowerman 1933-6-7 2253 Contra Costa just e of saddle between Meridian and North Peaks; Mount Diablo, just e of saddle btw Meridian and North Peaks Comment
  UC134012  Gilia capitata subsp. staminea C. F. Baker 1903-4-25 2805 Contra Costa Antioch Comment
  RSA79449  Gilia capitata subsp. staminea E. K. Crum 1936-4-5 1746 Contra Costa South Coast Ranges, 2 miles W of Bryon 46 Comment
  UC691671  Gilia clivorum Mary L. Bowerman 1931-3-21 604 Contra Costa e end Fossil Ridge , Fossil Ridge, e end (Mount Diablo) Comment
  UC909003  Gilia clivorum Herbert L. Mason 1934-4-8 8052 Contra Costa 11 mi s Marsh Creek Road (on road from Marsh Creek to Livermore); on rd from Marsh Creek to Livermore 609 Comment
  UCR124270  Gilia multicaulis L. S. Rose 1935-5-16 35175 Contra Costa Mt. Diablo Comment
  RSA63722  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  SEINET12278815  Gilia tricolor J. G. Lemmon 1878-1 s.n. Contra Costa side of Mt. Diablo Comment
  JEPS43109  Glaux maritima J. B. Davy 1900-6-7 6665 Contra Costa Suisun Bay, Martinez Martinez; Suisun Bay, Martinez 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
  UC32022  Gnaphalium palustre Brewer 1862-5-26 1172 Contra Costa near Mount Diablo Comment
Read comments
May 4 2008
  CAS-BOT-BC303891  Gnaphalium palustre Mary L. Bowerman 1935-6-28 3168 Contra Costa Mt Diablo. Chase Pond. S of summit, by Old Government Trail: dry upper margins of pond 548 Comment
  CDA31363  Gnaphalium ramosissimum D. G. Kelch 2006-8-11 6 .373 Contra Costa Carquinez Strait.; Top of Edward s Canyon. Crockett. Comment
  CDA6066  Gnaphalium stramineum D. G. Kelch 2006-9-25 06 .477-B Contra Costa Carquinez Strait; Marsh 1km. W of Pacheco Slough. Comment
  CAS-BOT-BC305219  Grindelia hirsutula Alice Eastwood 1915-6-21 4730 Contra Costa San Leandro Comment
  CAS-BOT-BC305234  Grindelia hirsutula L. R. Abrams 1916-6-30 5713 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC305237  Grindelia hirsutula Lewis S. Rose 1954-9-27 54116 Contra Costa Byron 6 Comment
  UC1599357  Grindelia hirsutula G. Thomas Robbins 1959-4-26 4003 Contra Costa just n Richmond-San Rafael Bridge (above shore of San Francisco Bay, s of Castro Pt.); Richmond, Potrero Hills Comment
  UC63192  Grindelia hirsutula H. M. Hall 1901-3-17 1659 Contra Costa Point Richmond; San Francisco Bay Region Comment
  UC691868  Grindelia hirsutula Mary L. Bowerman 1930-6-18 347 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  CAS-BOT-BC305245  Grindelia hirsutula John Thomas Howell 1954-9-5 30027 Contra Costa Marsh Creek Road 8 miles from Byron Comment
  UC691153  Guillenia flavescens Mary L. Bowerman 1935-4-22 2879 Contra Costa 2 mi from North Gate (North Road, just w of chaparral); Mount Diablo 213 Comment
  UC691127  Guillenia lasiophylla Mary L. Bowerman 1932-4-27 1401 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge 350 Comment
  POM273845  Guillenia lasiophylla Lyman Benson 1935-3-16 6284 Contra Costa 3 miles S of Antioch. Mt. Range: Mt. Diablo; Watershed: Sacramento River. 152 Comment
  JEPS120272  Hainardia cylindrica Barbara Ertter with David Gowen 2012-6-9 21025 Contra Costa junction of Seaview Trail and road into EBMUD land north of Vollmer Peak,m southeastern Tilden Park in Berkeley Hills 550 Comment
  UC50509  Hainardia cylindrica Jos. Burtt Davy 1900-6-7 6653 Contra Costa Pinole Creek Valley Comment
  UC1050012  Hebe speciosa N. Floy Bracelin 1941-8-3 1537 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1050044  Hebe traversii N. Floy Bracelin 1944-7-23 1507 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CDA5197  Hedera helix D. G. Kelch, A. G. Murdock 2005-5-23 5 .373 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  JEPS22068  Helenium puberulum G. Thomas Robbins 1958-7-19 3901 Contra Costa about one-half mi e Point San Pablo (meadow overlooking Pt. San Pablo); Richmond Comment
  UC1561249  Helenium puberulum Barbara Ertter 1989-9-30 8863 Contra Costa East Bay Skyline Nat'l Recreation Trail (=Nimitz Way) just n Tilden Park border (e of El Cerrito); Wildcat Canyon Regional Park Comment
  CDA6432  Helenium puberulum T. C. Fuller 1958-7-3 1270 -58 Contra Costa Carquinez Strait; Highway 4, 4 miles west of Martinez. 0 Comment
  JEPS21043  Helianthella castanea W. L. Jepson 1922-5-23 9654 Contra Costa Mt. Diablo; summit Comment
  POM203709  Helianthella castanea J. T. Howell 1931-5-12 6475 Contra Costa Nortonville Comment
  UC1485917  Helianthella castanea H. Stout and T. Wainwright 1980-3-27 1 Contra Costa ca. 1 mi e Morgan Territory Rd.; Mallory Ranch 621 Comment
  UC88881  Helianthella castanea Alice Eastwood 1897-5-31 Contra Costa Mt. Diablo Comment
  CDA31041  Helianthemum scoparium D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .229 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  CAS-BOT-BC305372  Helianthus annuus Brandegee No date on label s.n. Contra Costa Antioch Comment
  CDA6550  Helianthus californicus D. G. Kelch, A. G. Murdock 2004-9-2 4 .332 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  CDA8364  Helianthus californicus D. G. Kelch 2004-9-2 4 .332 Contra Costa Carquinez Strait; Marsh east of Martinez and I-680 and east of Lone Tree Marsh. Comment
  UC697183  Helianthus californicus Mary L. Bowerman 1932-9-17 1581 Contra Costa west fork Donner Canyon (streambed); Mount Diablo Comment
  UC2027833  Helianthus gracilentus Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17632 Contra Costa Northwest flank of Mount Diablo, Ginochio property north of park boundary, upper end of Government Road on Long Ridge. Comment
  SEINET3840820  Heliotropium curassavicum Unknown 2006-8-6 6 .361 Contra Costa Rodeo Creek, Rodeo Creek channel 4 Comment
  UCD36034  Heliotropium curassavicum var. oculatum Beecher Crampton 1949-7-15 486 Contra Costa Contra Costa County, below original site of Judsonville, head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch. 114 Comment
  UCD159356  Helminthotheca echioides D. S. Park 2010-6-22 141 Contra Costa Wildwood canyon. Along trailside. Abundant along length of trail. Also growing out of pavement. 55 Comment
  UCD32429  Helminthotheca echioides Beecher Crampton 1950-6-16 593 Contra Costa Richmond. Comment
  CAS-BOT-BC306262  Hemizonia congesta subsp. lutescens H. M. Hall 1916-10-14 10282 Contra Costa Region of San Francisco Bay. Selby Comment
  CAS-BOT-BC314857  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1937-9-2 s.n. Contra Costa Walnut Creek Comment
  LA203706  Hemizonia congesta subsp. luzulifolia John Thomas Howell; 1930-9-28 5488 Contra Costa 2 mi. from Concord on road to Walnut Creek Comment
  UC473563  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1930-9-28 5488 Contra Costa 2 mi from Concord (on road to Walnut Creek) Comment
  UC691557  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1933-9-9 2426 Contra Costa se-facing slope above Curry Canyon (onway to Blackberry Spring); Mount Diablo Comment
  CAS-BOT-BC314854  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1910-10-9 4358 Contra Costa Between San Ramon and Dublin Comment
  CAS-BOT-BC314861  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley west of Sycamore Creek, Mount Diablo Comment
  CAS-BOT-BC314865  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-9-21 4386 Contra Costa 4 miles west of Clayton Comment
  CAS-BOT-BC314874  Hemizonia congesta subsp. luzulifolia Walter Knight 1978-8-8 3109 Contra Costa On s.e. corner of Interstate 80 and Appian Way, near Pinole Comment
  CDA15271  Hemizonia fitchii G. F. Hrusa, D. Crowe, R. York 1998-7-17 14708 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  CDA33546  Hemizonia fitchii Fisher, Deviney 2010-6-2 PDR# 1645252 Contra Costa Byron; Armstrong Road Extension 1/3 mile southeast of Vasco Rd. Comment
  UCR197900  Hemizonia fitchii Beecher Crampton 1949-7-15 485 Contra Costa Below original site of Judsonville, at head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch 114 Comment
  POM301047  Hemizonia luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley, W of Sycamore Creek. Comment
  CDA7803  Hemizonia pungens subsp. pungens T. C. Fuller 1961-7-6 7367 Contra Costa East of road, south end of Antioch bridge, Antioch. 0 Comment
  POM52253  Hemizonia pungens subsp. pungens A. D. E. Elmer 1903-05 4892 Contra Costa Walnut Creek Comment
  SEINET3387071 Image available Hemizonia virgata Lewis S. Rose 1932-10-2 32654 Contra Costa Marsh creek road. Comment
  JEPS75522  Heracleum lanatum P. F. Yorks 1974-5-19 160 A Contra Costa n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UC901877  Heracleum lanatum L. Constance 1950-6-25 3326 Contra Costa s. rim Wildcat Canyon (Tilden Park); , Tilden Park 365 Comment
  UC1118396  Hesperevax sparsiflora var. sparsiflora C. M. Belshaw 1936-5-7 2045 Contra Costa 2 mi s of (plot 1) San Ramon; Mt Diablo Quadrangle Comment
  UC1618408  Hesperevax sparsiflora var. sparsiflora Barbara Ertter, Chris Thayer 1993-5-7 11709 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park 457 Comment
  UC2070645  Hesperocnide tenella Barbara Ertter with Steve Matson 2003-5-31 18178 Contra Costa Black Diamond Mines Regional Preserve south Pittsburg, Coal Canyon. Comment
  UC2070646  Hesperocnide tenella Barbara Ertter 2003-3-28 18117 Contra Costa Round Valley Regional Preserve, ca 1 mile west of trailhead. Comment
  CAS-BOT-BC167437  Hesperolinon breweri A. D. E. Elmer 1903-7-1 4545 Contra Costa Mount Diablo Comment
  CAS-BOT-BC167441  Hesperolinon breweri Mary L. Bowerman 1930-6-22 356 Contra Costa Mitchell Canyon. Mt Diable Comment
  RSA102173  Hesperolinon breweri M. K. C. 1885-06 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC167434  Hesperolinon breweri Mrs. K. Brandegee 1907-6-16 s.n. Contra Costa Hills between Antioch and Marsh Creek, on the easterly side of Mt. Diablo Comment
  UC2062655  Hesperolinon californicum Barbara Ertter with John Ginochio 2002-6-1 17940 Contra Costa Ginochio Ranch in Arroyo del Cerro NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  UC35056  Hesperomecon linearis Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  RSA445543  Hesperomecon linearis H. de Forest 1930-05 s.n. Contra Costa [No location data on label] Comment
  UC691519  Heterocodon rariflorum Mary L. Bowerman 1935-6-15 3133 Contra Costa Mitchell Canyon; Mount Diablo 640 Comment
  UC186817  Heterodraba unilateralis F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CDA21567  Heteromeles arbutifolia D. G. Kelch, Mike Park 2008-9-1 8 .3 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. Comment
  JEPS75475  Heteromeles arbutifolia P. F. Yorks 1975-7-18 479 Contra Costa ca 1.5 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Preserve (n of Briones Reservoir) 175 Comment
  CAS-BOT-BC310283  Heterotheca grandiflora Peter Rubtzoff 1954-9-14 1752 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  UC723790  Heterotheca grandiflora Joseph Andorfer Ewan 1935-3-10 9152 Contra Costa esp. on bluffs overlooking Sacramento River at Antioch Sacramento River Comment
  UC903039  Heterotheca grandiflora Ethel Crum 1935-12-8 1731 Contra Costa along Sacramento River San Joaquin Valley, Sacramento River Comment
  CAS-BOT-BC318823  Heterotheca grandiflora Paul F. Covel 1936-9-4 563 Contra Costa Bay Farm - Alameda Bridge Comment
  RSA0074383  Heterotheca grandiflora Peter Rubtzoff 1951-10-7 823 Contra Costa Sand dunes along lower San Joaquin River, east of Antioch. Comment
  JEPS124458  Heterotheca sessiliflora subsp. echioides Daniel Slakey with CNPS Volunteers 2015-6-29 134 Contra Costa Mt. Diablo State Park, Wall Point. Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  UC87407  Heterotheca sessiliflora subsp. echioides Mrs. K. Brandegee 1883-7-1 Contra Costa Antioch Comment
  CAS-BOT-BC310908  Heterotheca villosa Niall McCarten; V. I. Dains 1986-1-1 04311257 81 Contra Costa East Contra Costa County. SW corner of Hwy. 4 & Laurel Road near Oakley Comment
  CAS-BOT-BC424185  Heuchera micrantha var. hartwegii Paul F. Covel 1936-4-19 231 Contra Costa Las Trampas Canyon Comment
  JEPS100013  Hirschfeldia incana G. Smick 2003-5-30 GAS 208 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA23596  Holocarpha heermannii D. G. Kelch 2007-10-6 7 .63 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  CDA7978  Holocarpha heermannii A. G. Murdock, D. G. Kelch 2002-7-2 67 Contra Costa Carquinez Strait Region; Mt. Wanda - Martinez. Crest of Mt. Wanda on north side of main fire 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-BC325838  Holocarpha heermannii J McMurphy 1909-9-25 s.n. Contra Costa Creek below Alamo Comment
  RSA692602  Holocarpha heermannii Barbara Ertter 1990-9-10 9641 Contra Costa Briones Regional Park, Briones Hills S of Martinez, abundant on open grassy slopes throughout park, forming large yellow patches. Comment
  RSA721867  Holocarpha heermannii Barbara Ertter, Brad Olson, Dianne Lake, Seth Adams 1994-9-11 13096 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton. Comment
  JEPS75032  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa 100-300 ft e Hwy 80 (100-300 yd s Appian Way); Pinole Comment
Read comments
Jul 23 2013
  SD94549  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa 100-400 feet east of highway 80 and 100-300 yards south of Appian Way, Pinole Comment
  UCD133200  Holocarpha macradenia Robert E. Preston 1993-6-29 624 Contra Costa Pinole, ca. 1,000 feet east of Interstate 80, between Interstate 80 and Crespi Junior High School. 94 Comment
  CAS-BOT-BC320257  Holocarpha obconica David D. Keck 1933-10-27 2569 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320261  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on the Marsh Creek Road Comment
  UC517968  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa dry hills along the Marsh Creek Road 5.4 mi from Byron Comment
  UC913074  Holocarpha obconica D. D. Keck and J. Clausen 1933-10-27 2567 Contra Costa 1.6 mi w Byron (1.4 mi from junction with Vasco Road); ; 1.6 mi. W of Byron, 1.4 mi. from jct. w/ Vasco Road, Contra Costa Co. Comment
  CAS-BOT-BC320241  Holocarpha obconica Margi Oard 1988-10-9 s.n. Contra Costa Ca. 2 miles east of junction with Deer Valley Road along north side of Marsh Creek Road Comment
  CAS-BOT-BC320254  Holocarpha obconica David D. Keck 1933-11-2 2621 Contra Costa Deer Valley, 1/2 mi. S. of road to Brentwood Comment
  CAS-BOT-BC320332  Holocarpha virgata F. R. Lawson 1930-7-18 s.n. Contra Costa 2.4 mi. west of Concord Comment
  OBI16037  Holocarpha virgata subsp. virgata Robert F. Hoover 1965-9-24 9648 Contra Costa W of Byron, E of Kellogg Crk Comment
  UC12336  Holodiscus discolor Ivar Tidestrom 1895-6-1 Contra Costa Crockett Comment
  CHSC114266  Hordeum brachyantherum D. G. Kelch; Troy MacGregor 2009-5-10 09 .288 Contra Costa Carquinez Strait: Fernandez Ranch in valley bottom along Christie Rd. 76 Comment
  CDA948  Hordeum brachyantherum subsp. brachyantherum D. G. Kelch 2006-5-5 6 .132 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  JEPS111064  Hordeum brachyantherum subsp. brachyantherum Lee Echols 2003-6-15 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
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  CAS-BOT-BC284743  Hordeum murinum Walter Knight; Irja Knight 1980-8-26 3802 Contra Costa Growing in Hercules Comment
  POM205088  Hordeum murinum subsp. glaucum Jos Burtt Davy 1898-05 1730 Contra Costa Danville Comment
  UCD86141  Hordeum murinum subsp. glaucum Beecher Crampton 1956-5-14 3375 Contra Costa 5 miles south of Antioch. At head of Horse Valley. Comment
Read comments
Aug 17 2011
  JEPS75538  Hordeum murinum subsp. leporinum P. F. York 1974-4-28 146 Contra Costa on Hampton Road ca 1.9 km s Bear Creek Road (n of Briones Reservoir, Hampton Road Natural Reserve); Hampton Road Natural Reserve, n of Briones Reservoir 200 Comment
  UC691092  Horkelia californica subsp. dissita Mary L. Bowerman 1930-6-28 404 Contra Costa Mount Diablo, Lower Silver Spring 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
  JEPS112098  Horkelia californica subsp. frondosa D. G. Kelch 2005-5-1 05 .192 Contra Costa Crockett - Edwards Canyon. On shady bank 150 Comment
  UC723810  Horkelia californica subsp. frondosa Joseph Andorfer Ewan 1934-5-20 8926 Contra Costa n. side Mt. Diablo Mt. Diablo; , Russelmann Park Comment
  CAS-BOT-BC532052  Horkelia californica var. frondosa Joseph Andorfer Ewan 1934-5-20 8926 Contra Costa Russelmann Park, n. side Mt. Diablo Comment
  CAS-BOT-BC6224  Horkelia frondosa Edward Lee Greene 1889-5-1 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC55475  Hornungia procumbens Volney Rattan 1877-4-1 s.n. Contra Costa Antioch. Comment
  UC454506  Hydrocotyle verticillata I. J. Condit 1908-8-19 Contra Costa Antioch Comment
  JEPS1653  Hydrophyllum occidentale W. L. Jepson 1921-5-22 9209 Contra Costa Mt. Diablo 1158 Comment
  UC691695  Hydrophyllum occidentale Mary L. Bowerman 1931-4-25 770 Contra Costa Mount Diablo summit; Mount Diablo Comment
  RSA691938  Hypericum calycinum Barbara Ertter 1993-6-25 11907 Contra Costa Oakland-Berkeley Hills, Grizzly Peak Boulevard ca 1/4 miles south of Tilden miniature steam trains (1/4 miles south of junction of Lomas Cantadas), mixed scrub forest. 488 Comment
  UC692603  Hypericum formosum var. scouleri Mary L. Bowerman 1930-6-28 395 Contra Costa Mt. Diablo, Lower Silver Spring Comment
  CDA29489  Hypochaeris glabra D. G. Kelch, Troy MacGregor 2009-5-1 09 .289-B Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC691450  Hypochaeris glabra Mary L. Bowerman 1933-5-11 2076 Contra Costa Mount Diablo Comment
  UCD159361  Hypochaeris radicata D. S. Park; S. Joslin 2010-6-27 146 Contra Costa Santa Cruz. Growing between Chesnut st. and railroad tracks w/ Sonchus oleraceus, Picris echioides. Weedy grassland. Large population. 97 Comment
  CAS-BOT-BC311406  Hypochaeris radicata Goodwin; Bellue 1932-5-6 s.n. Contra Costa Unspecified Comment
  UC692079  Isoetes howellii Mary L. Bowerman 1935-7-22 3187 a Contra Costa s. side Meridian Peak (w. end Hidden Pond); Mt. Diablo, Hidden Pond 518 Comment
  UCD15912  Isolepis cernua Molly Hunter 1998-7-7 s.n. Contra Costa Concord Naval Weapons Station, along Highway 4, Northeast of city of Concord (about 300 meters South of Suisun Bay). 0 Comment
  CAS-BOT-BC324753  Iva axillaris Morris Halperin 1930-5-20 s.n. Contra Costa Hoffman Ranch, Brentwood Comment
  JEPS41044  Iva axillaris subsp. robustior Rimo Bacigalupi and L. R. Heckard 1965-5-11 9069 Contra Costa w side Brooks Island (sw of Richmond); San Francisco Bay Comment
  UC613042  Jaumea carnosa C. W. Sharsmith 1933-9-15 476 Contra Costa saline marshlands near Carquinez Straits; San Pablo Bay Comment
  SEINET12637087  Johnstonella micromeres K. Brandegee 1889-1 s.n. Contra Costa Antioch. Comment
  UC1197942  Juglans californica var. hindsii Joseph P. Tracy 1934-4-30 13186 Contra Costa near Lafayette; North Coast Ranges 152 Comment
  UC691942  Juglans californica var. hindsii Mary L. Bowerman 1936-5-6 3412 Contra Costa Mitchell Canyon floor Mount Diablo (10 feet from stream) 259 Comment
  CAS-BOT-BC109899  Juncus Walter Knight; Irja Knight 1977-6-27 s.n. Contra Costa Sierra Nevada. Las Trampas Wilderness Park. Mahogany Trail near Little Hills Ranch. Comment
  JEPS112446  Juncus balticus D. G. Kelch 2003-8-13 03 .108 Contra Costa Martinez Marsh 0 Comment
  CHSC116624  Juncus balticus subsp. ater Lowell Ahart; Josephine Guardino 2016-4-19 20785 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along a small drainage, west of the poor 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
  UC1795668  Juncus bufonius var. congestus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14037 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
  UC2028305  Juncus bufonius var. congestus Barbara Ertter, Susan D'Alcamo 1998-6-12 16200 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo. Comment
  JEPS108161  Juncus capitatus David Gowen 2005-6-4 403 Contra Costa Lime Ridge Open Space. Northeast corner of the park, just west of water tank.Growing in hard-packed eroded sandy area. Comment
  CDA9521  Juncus effusus D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .25 Contra Costa CA Delta; Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. Comment
  UC1619922  Juncus occidentalis Barbara Ertter, Brad Olson 1991-11-10 10887 Contra Costa behind yacht harbor (extreme w Richmond); Richmond, Point San Pablo Comment
  UC2013064  Juncus occidentalis Barbara Ertter with Lisa Schultheis 1996-9-2 15282 Contra Costa South side Mount Diablo, grasslands below Knobcone Point Road along path to Devils Slide. Comment
  JEPS78629  Juncus oxymeris Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3276 Contra Costa Alder Point Browns Island Comment
  SEINET3880605  Juncus oxymeris Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4981 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UCD141678  Juncus oxymeris Ann F. Johnson 1978-6-26 AN 50 Contra Costa Shore of San Joaquin River, PG and E site, Antioch Dunes. Comment
  POM300634  Juncus patens Mary L. Bowerman 1938-6-30 3703 Contra Costa Plants of Mount Diablo: Lower Canyon Spring, which is moister than the upper spring. 976 Comment
  UCD141766  Juncus patens M. Wiesendanger 1926-5-1 1465 Contra Costa near Richmond. Comment
  UC2029202  Juncus phaeocephalus var. paniculatus Barbara Ertter 1999-7-17 16765 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park. On east side of road Comment
  JEPS48340  Juniperus californica W. L. Jepson 2642 Contra Costa head of Mitchell Creek Mt. Diablo (near saddle of divide); , head of Mitchell Creek Comment
  UC1076380  Juniperus californica Herbert L. Mason 1923-11-12 850 Contra Costa middle slopes Mt. Diablo Comment
  POM212437  Juniperus californica Joseph A. Ewan 1933-10-15 8038 Contra Costa SW slope of Mt Diablo. 1067 Comment
  SEINET10531635  Juniperus californica Joseph A. Ewan 1933-10-15 Ewan 8038 Contra Costa Scattered but not uncommon on rock outcrops of SW slope, Mt. Diablo. 1065 Comment
  SEINET13289845 Image available Juniperus californica L. S. Rose 1934-1 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC235872  Keckiella corymbosa Paul F. Covel 1938-7-1 1472 Contra Costa Summit Mt. Diablo Comment
  NY790275  Keckiella corymbosa A. D. E. Elmer 07 1903 4956 Contra Costa Mt. Diablo Comment
  UC306590  Keckiella corymbosa A. D. E. Elmer Jul 1903 4956 Contra Costa Mount Diablo Comment
  UC691513  Keckiella corymbosa Mary L. Bowerman 1936-9-10 3544 Contra Costa Donner Canyon; Mount Diablo 304 Comment
  JEPS71238  Koeleria macrantha Mary L. Bowerman 1931-5-2 796 Contra Costa upper end of canyon, 2 n ridges, Eagle Pt. Ridge Mt. Diablo; , 2 n ridges, Eagle Pt. Ridge Comment
  UC692396  Koeleria macrantha Mary L. Bowerman 1935-5-22 3036 Contra Costa Eagle Point ridge, canyon at n end which heads into saddle w of Twin Peaks, little above the canyon bottom Mount Diablo; , Eagle Point ridge 304 Comment
  CAS-BOT-BC273617  Koeleria pyramidata Virginia E. Long 1933-6-14 223 a Contra Costa Mt. Diablo. Between Curry-Cave trail canyon and W. fork 457 Comment
  CAS-BOT-BC340539  Lactuca serriola A. D. E. Elmer 1903-7-1 4612 Contra Costa Port Costa Comment
  CAS-BOT-BC340697  Lactuca virosa John Thomas Howell 1942-6-28 17004 Contra Costa Oakland Hills near Redwood Peak Comment
  POM303721  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  RSA40156  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  UC2028521  Lactuca virosa Barbara Ertter 1997-9-14 15804 Contra Costa WSW base of Mount Diablo, creek NW of Macedo Ranch between Pine Ridge and lowers Wall Point Road. Comment
  JEPS111661  Lagophylla ramosissima A. G. Murdock 2004-5-28 270 Contra Costa Pinole Peak 205 Comment
  UC1618293  Lagophylla ramosissima Barbara Ertter 1990-9-10 9636 Contra Costa eroded n-facing draw between Sindicich lagoon and Maricich lagoon (s of Martinez); Briones Regional Park, Briones Hills 335 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
  POM6192  Lasthenia californica C. F. Baker 1903-4-25 s.n. Contra Costa Antioch Comment
  RSA55168  Lasthenia californica C. F. Baker 1903-4-28 2829 Contra Costa Marsh Creek, Mt. Diablo. Comment
  JEPS124445  Lasthenia californica subsp. californica Daniel Slakey with Randy Morgan 2015-4-3 90 Contra Costa Southwest corner at the intersection/curve of Raymond Rd. and Ames St. Comment
  UC1118939  Lasthenia californica subsp. californica C. M. Belshaw 1936-5-12 2111 Contra Costa 3.7 mi ene Tassajero; Mt. Diablo Quad., plot 31 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
  UC62978  Lasthenia californica subsp. californica H. M. Hall 1901-4-5 1767 a Contra Costa Mt. Diablo Region of San Francisco Bay (lower slopes) Comment
  JEPS85834  Lasthenia ferrisiae Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8124 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) Comment
  JEPS18379  Lasthenia fremontii Rimo Bacigalupi with F. Chisaki 1957-3-27 5766 Contra Costa about 5.25 mi nw of Bethany and 1.25 mi nw of Herdlyn n end of the Holey road; At S. P. R. R. crossing of Byron Hwy. 5 Comment
  UC1301067  Lasthenia fremontii Helen K. Sharsmith 1963-4-7 5300 Contra Costa vernal pools near Byron 7 Comment
  RSA114067  Lasthenia fremontii H. L. Mason 1952-4-14 14260 Contra Costa 3.5 miles S of Byron Comment
  UC194265  Lasthenia glaberrima Edward Lee Greene 1886-5-24 Contra Costa Mt. Diablo Comment
  UCR197915  Lasthenia glaberrima Beecher Crampton 1950-5-10 573 Contra Costa 1 mile north of Richmond, along Santa Fe Railroad tracks 11 Comment
  UC90039  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  CAS-BOT-BC361123  Lasthenia microglossa Mary L. Bowerman 1932-3-27 1141 Contra Costa Mitchell Rock: Mount Diablo Comment
  UCD33427  Lasthenia platycarpha Beecher Crampton 1968-3-27 8236 Contra Costa S.E. corner of County, ca. 3.5 miles south of Byron. Comment
  CAS-BOT-BC213351  Lathyrus jepsonii subsp. californicus Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Valley Comment
  RSA0027701  Lathyrus jepsonii subsp. californicus Barbara J. Ertter 2001-5-10 17635 Contra Costa North flank of Mount Diablo, SE of Mitchell Canyon trailhead, on traversing road to Mitchell Rock Trail. 213 Comment
  UCD130164  Lathyrus jepsonii var. jepsonii Stephen P. Rae 1978-9-5 s.n. Contra Costa Browns Island. In Sacramento River near Pittsburg (in known location). 2 Comment
  JEPS99993  Lathyrus vestitus A. Langston 2003-6-19 AL 51 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC764680  Lathyrus vestitus R. F. Hoover 1941-4-12 4844 Contra Costa w branch of San Pablo Creek San Pablo Creek 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
  JEPS64865  Lathyrus vestitus var. vestitus W. C. Blasdale 1897-5-1 Contra Costa Point Isabel Comment
  UC1084401  Lathyrus vestitus var. vestitus G. Thomas Robbins 1937-4-17 120 Contra Costa near Pt. Richmond Comment
  UC692675  Lathyrus vestitus var. vestitus Mary L. Bowerman 1931-3-7 552 Contra Costa by South Road just below junction Mount Diablo Comment
  UC2061511  Laurus nobilis Dean G. Kelch 2016-4-30 16 .102 Contra Costa Carquinez Strait: Selby, west of Crockett. On west side of canyon near old dwelling foundation. Comment
  CDA15231  Lavatera cretica G. F. Hrusa, D. Crowe 1998-5-8 14360 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  CDA15250  Lavatera cretica G. F. Hrusa, D. Crowe 1998-5-8 14381 Contra Costa Sacramento Delta; Adjacent to Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  OBI15877  Layia chrysanthemoides Robert F. Hoover 1967-4-28 10506 Contra Costa Byron Hot Springs Comment
  POM53189  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron. Comment
  CAS-BOT-BC321750  Layia gaillardioides Joseph Andorfer Ewan 1936-4-15 9444 Contra Costa E. slope Bald Peak, San Pablo Ridge Comment
  CAS-BOT-BC321078  Layia glandulosa Alice Eastwood; John Thomas Howell 1936-4-19 2150 Contra Costa Antioch sand hills Comment
  CAS-BOT-BC321082  Layia glandulosa C. F. Baker 1909-5-20 s.n. Contra Costa Antioch Comment
  UC89240  Layia glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  UC691547  Layia hieracioides Mary L. Bowerman 1931-4-19 744 Contra Costa Tiny flat below Deer Flat Comment
  CAS-BOT-BC327244  Layia hieracioides K. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC377907  Layia platyglossa Lewis S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC30670  Layia platyglossa Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  CAS-BOT-BC370669  Layia platyglossa Mary L. Bowerman 1935-4-26 2918 Contra Costa Summit of Mount Diablo Comment
  UC1795717  Layia platyglossa Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14589 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  POM230495  Layia platyglossa subsp. campestris Jens Clausen 1936-4-18 1174 Contra Costa Summit Mt. Diablo; trail to Devil's Pulpit. Comment
  CAS-BOT-BC274327  Leersia oryzoides Malcom A. Nobs 1948-9-23 681 Contra Costa Rock Slough, 7 miles south of Kingston Comment
  UC2032848  Lemna Doran, Andrew Scott 2012-3-20 719 Contra Costa Southern part of Brooks Island, west side of quarry in pool. Comment
  UC1607502  Lemna minor Barbara Ertter, Brad Olson 1991-9-28 10850 Contra Costa between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir 97 Comment
  SEINET4081593  Lepechinia calycina B. C. Templeton 1962-1 sn Contra Costa Mount Diablo. Comment
  UC691400  Lepechinia calycina Mary L. Bowerman 1938-5-28 3648 Contra Costa Mount Diablo 853 Comment
  CAS-BOT-BC88702  Lepidium acutidens Alice Eastwood 1914-3-14 3771 Contra Costa Byron Springs. Comment
  CDA43402  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. Comment
  CAS-BOT-BC88680  Lepidium acutidens Lewis S. Rose 1956-3-19 56003 Contra Costa 2 miles southeast of Byron. 7 Comment
  JEPS116575  Lepidium coronopus David Gowen 2006-9-16 661 Contra Costa Wildcat Regional Park on fire road leading from Rifle Range Rd. to the canyon bottom. Comment
  UC2070552  Lepidium coronopus Barbara Ertter 2002-5-11 17839 Contra Costa Southwest base of Mount Diablo, base of Emmons Canyon fire road. Comment
  CHSC67909  Lepidium dictyotum James D. Jokerst; Barbara Ertter, Dave Magney 1989-4-5 3080 Contra Costa West and adjacent to Clifton Court Forebay, E of Bryon Hwy. and Italian Slough. 3 Comment
  CDA24906  Lepidium dictyotum Jim Jokerst, Barbara Ertter, Dave Magney 1989-4-5 3080 Contra Costa Alkali sink west and adjacent of Clifton Court Forebay, east of Byron Highway and Italian Slough. Comment
  CHSC67911  Lepidium dictyotum var. acutidens James D. Jokerst 1989-3-29 3069 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  RSA788058  Lepidium dictyotum var. acutidens L. S. Rose 1949-3-24 49012 Contra Costa 4 mi south of Byren 8 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
  JEPS100082  Lepidium latifolium A. Langston 2003-6-6 AL 34 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC89764  Lepidium latipes Mary L. Bowerman 1933-4-15 1846 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro. Comment
  CAS-BOT-BC89766  Lepidium latipes Barrett Anderson 1987-4-29 3483 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 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
  JEPS53698  Lepidium nitidum W. L. Jepson 1922-4-16 9601 Contra Costa San Pablo Valley Comment
  UCD115836  Lepidium strictum G. Thomas Robbins 1959-4-26 4006 Contra Costa About 1 mile northeast of Giant and about one-fourth mile north of San Pablo Oil Tank Farm. 7 Comment
  UCD118625  Leptosiphon bicolor Laurence S. Jones 1934-4-8 s.n. Contra Costa West slopes of Mt. Diablo. 609 Comment
  UC1949269  Leptosiphon ciliatus Barbara Ertter 1991-5-5 9781 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon; N-facing slope Comment
  RSA167170  Leptosiphon liniflorus J. M. Tucker 1963-4-12 3686 Contra Costa On west side of Holey Road, 3 miles southeast of Byron. Comment
  CAS-BOT-BC324111  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324115  Lessingia glandulifera var. glandulifera Peter Rubtzoff 1951-10-7 821 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  UC1287410  Lessingia pectinata var. tenuipes Willard Spence 1962-5-15 672 Contra Costa 0.2 mi e of entrance to Antioch Boat Ramp Comment
  RSA0033850  Leucanthemum vulgare Barbara Ertter 1999-7-17 16761 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  CAS-BOT-BC444384  Lewisia rediviva Paul F. Covel 1938-7-1 1519 Contra Costa Summit Mt. Diablo Comment
  UC1818997  Leymus Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14629 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
  CDA39047  Leymus X multiflorus D. G. Kelch 2011-6-5 11 .576 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  SEINET10925827  Leymus X multiflorus Edward Lee 1935-8-13 Lee 1616 Contra Costa With stolons. Open grassy roadside. Vaca Canyon. Comment
  CAS-BOT-BC283733  Leymus condensatus W. A. Silveus 1938-7-5 3215 Contra Costa El Cerrito Comment
  RSA108325  Leymus triticoides Frank W. Gould 1941-5-8 1289 Contra Costa Wastelands along Bay at Winehaven (near Richmond) 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
  UC692427  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Inner Black Hills w meridian (flat on n side); Mount Diablo Comment
  UCD87579  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  UCD87590  Leymus triticoides P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC272213  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Inner Black Hills west of the meridian, Mount Diablo Comment
  CAS-BOT-BC272218  Leymus triticoides John Thomas Howell; Gordon H. True 1972-6-29 48928 Contra Costa Byron Hot Springs Road southeast of Byron Comment
  UC2029157  Leymus triticoides Barbara Ertter 2000-7-29 17448 a Contra Costa Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. Comment
  JEPS65188  Lilaea scilloides L. R. Heckard 1971-4-15 2479 Contra Costa s of Byron (at intersection of Holey Road) Comment
  UC814388  Lilaea scilloides Lewis S. Rose 1940-4-30 40257 Contra Costa 6 mi s Antioch 30 Comment
  UC1818927  Lilaeopsis masonii Barbara Ertter, Lincoln Constance 1995-6-16 14261 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UC1178018  Lilium pardalinum Herbert L. Mason 1955-7-14 14633 Contra Costa 0.5 mi e Antioch Bridge Comment
  UC692005  Lilium pardalinum Mary L. Bowerman 1935-6-21 3144 Contra Costa e fork Arroyo del Cerro; Mount Diablo 289 Comment
  UCD116496  Limnanthes douglasii William B. Davis 1960-3-26 3 Contra Costa South Scenic Boulevard, Mt. Diablo. 182 Comment
  JEPS17888  Limnanthes douglasii subsp. rosea Rimo Bacigalupi with G. T. Robbins 1956-3-26 5530 Contra Costa bottom-lands about 2 1/2 mi s Byron (just s of S.P.R.R. crossing of road to Bethany, near head of Italian Slough) 6 Comment
  UC971837  Limnanthes douglasii subsp. rosea Annetta Carter 1947-3-25 1782 Contra Costa vernal pool 3.3 mi s Byron 7 Comment
  UC1563678  Limonium californicum Barbara Ertter with Elizabeth Neese 1988-10-15 7981 Contra Costa El Cerrito; marsh w of I-580, w side along Rydin Road n of Central Ave. Comment
  SD180583  Limonium californicum Beecher Crampton 1950-8-5 632 Contra Costa San Pablo Canal, northwest of Richmond. Comment
  UC1795775  Limonium sinuatum Barbara Ertter, Brad Olson 1994-5-7 12767 Contra Costa Western Drive to Point Molate north west of Richmond-San Rafael bridge toll plaza, roadside near entrance to Point Molate Naval site Comment
  UC23376  Linanthus androsaceus Brewer 1862-5-22 1139 Contra Costa ne of Mt. Diablo (hills s of Coal Mines) Comment
  JEPS99519  Linanthus androsaceus Mary Bowerman 1977-5-29 Contra Costa Mount Diablo. Russellmann Park. 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
  UC23464  Linanthus ciliatus Brewer 1862-5-22 1138 Contra Costa Comment
  UC1819058  Linum bienne Barbara Ertter, Rich Rabeler 1994-6-6 12818 Contra Costa Point Isabel in south Richmond; black cinders on old railroad bed north of Costco; landfill. Comment
  SEINET3817186 Image available Lithophragma affine Lewis S. Rose 1933-4-17 33099 Contra Costa Walnut Creek. Comment
  RSA8363  Lithophragma affine subsp. affine L. S. Rose 1933-4-17 33099 Contra Costa Walnut Creek. Comment
  UC2028077  Lithophragma heterophyllum Barbara Ertter, Tony Morosco 1998-4-12 15997 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  UC2028310  Logfia filaginoides Barbara Ertter, Susan D'Alcamo 1998-6-12 16167 Contra Costa North Peak Trail from Devil's Elbow on SE side of Mount Diablo summit. Comment
  JEPS111698  Logfia gallica D. G. Kelch 2004-4-25 04 .121 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  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
  UC672236  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills Comment
  UCD38198  Logfia gallica Beecher Crampton 1950-6-20 595 Contra Costa 1 mile north of Richmond. Triangle Court. Comment
  CHSC21628  Lolium multiflorum Willis Ball 1975-4-19 524 Contra Costa Contra Loma Regional Park. In area #1. Immediately to the s side of the main parking lot at the s end of the lake. 33 Comment
  JEPS99986  Lolium multiflorum S. O'Neil 2003-3-11 SEO 17 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691200  Lolium multiflorum Mary L. Bowerman 1935-5-16 3003 Contra Costa Russelman Park Road at Gregory Ranch junction; Mount Diablo 289 Comment
  UC769868  Lolium multiflorum R. F. Hoover 1937-5-14 2107 Contra Costa Franklin Creek valley Comment
  CAS-BOT-BC283396  Lolium multiflorum R. E. Frenkel 1963-5-22 206 Contra Costa On Morgan Territory Road, 0.2 mile S of summit 637 Comment
  POM300593  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa Branch of Curry Canyon due south of Olafsons' barn. Comment
  CAS-BOT-BC271056  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa Branch of Curry Canyon due south of Olafsons barn, Mount Diablo Comment
  JEPS17143  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1918-6-3 7579 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS73314  Lomatium dasycarpum subsp. dasycarpum Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 741 Contra Costa near the boat harbor Richmond Comment
  UC1084396  Lomatium dasycarpum subsp. dasycarpum G. Thomas Robbins 1937-4-17 137 Contra Costa near Point Richmond Comment
  UC2032839  Lomatium utriculatum Doran, Andrew Scott 2012-3-20 710 Contra Costa Highest point on Brooks Island, southern part of island overlooking quarry. Comment
  UC691424  Lomatium utriculatum Mary L. Bowerman 1932-2-28 1091 Contra Costa ridge E of Rhine Canyon 487 Comment
  UC691471  Lomatium utriculatum Mary L. Bowerman 1930-6-5 260 Contra Costa 5.8 mi from North Gate (North Road); Mount Diablo 457 Comment
  UC650409  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee on e end Jersey Island Comment
  UC1050675  Lonicera pileata f. yunnanensis N. Floy Bracelin 1941-4-20 1183 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA720794  Lotus corniculatus Barbara J. Ertter, Kristin Ertter 1995-7-11 14473 Contra Costa Sulfur Srping on Pine Cr., Diablo Foothills Regional Park SWof Walnut Creek. 122 Comment
  SEINET1910372  Lotus corniculatus Barbara Ertter, Kristin Ertter 1995-1 14473 Contra Costa Sulfur Spring on Pine Cr, Diablo Foothills Regional Park SW of Walnut Creek, 122 Comment
  POM161235  Lotus crassifolius Rimo Bacigalupi 1926-4-30 1350 Contra Costa Summit of Mt Diablo. Comment
Read comments
Nov 9 2011
  CDA27211  Lotus humistratus G. E. Sorensen 1963-5-24 Contra Costa North Gate Road, Mt. Diablo State Park. 0 Comment
  CDA31161  Lotus micranthus D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .22 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC692526  Lotus micranthus Mary L. Bowerman 1931-3-29 616 Contra Costa East Cave Point Ridge Mount Diablo Comment
  UC692528  Lotus micranthus Mary L. Bowerman 1938-6-2 3655 Contra Costa Dan Cook Canyon Mount Diablo 487 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
  PASA1117  Lotus subpinnatus Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UCR197888  Lupinus Beecher Crampton 1949-5-29 466 Contra Costa 1 mile north of Richmond, patch along Southern Pacific Railroad 15 Comment
  UC1970563  Lupinus Donald G. Nelson 1937-4-24 516 Contra Costa in rolling hill country north of Byron; Marsh Creek Road Comment
  UCD36021  Lupinus Beecher Crampton 1949-5-29 466 Contra Costa 1 mile north of Richmond, patch along Southern Pacific Railroad. 15 Comment
  OBI19269  Lupinus albifrons Neil Havlik 1968-3-25 90 Contra Costa Big Springs Cyn, Charles lee Tilden regional park, E of Berkeley Comment
  UC400154  Lupinus albifrons Ynes Mexia 1929-4-21 2378 Contra Costa Moraga Valley Comment
  UC15780  Lupinus albifrons var. albifrons F. P. McLean March 1875 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC201376  Lupinus albifrons var. albifrons Charles Piper Smith 1922-4-14 3483 Contra Costa Antioch - Santa Fe Comment
  JEPS112334  Lupinus arboreus Dean G. Kelch and Andrew G. Murdock 2004-5-21 04 .217 Contra Costa Crocket - Tormey Headlands; County: Contra Costa; Along San Pablo Ave. ~ 1 k. west of Carq. Bridge. Comment
  JEPS112345  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2004-4-25 04 .111 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; County: contra Costa; West Martinez on Carquinez Dr. Comment
  UC149964  Lupinus bicolor Katharine Brandegee 1911-7-6 Contra Costa Pt. Isabel Comment
  UC33551  Lupinus bicolor V. King Chesnut 1888-4-14 Contra Costa Moraga Valley Comment
  UCD107314  Lupinus bicolor Helen K. Sharsmith 1963-4-7 5292 Contra Costa near Oakley south of Antioch. 15 Comment
  JEPS100071  Lupinus formosus var. formosus A. Langston 2003-6-23 AL 53 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618312  Lupinus latifolius var. latifolius Barbara Ertter with Laura Fujii 1990-7-21 9402 Contra Costa W of Pleasant Hill (Homestead Valley trail, at Bear Creek crossing; Briones Hills); Briones Regional Park 274 Comment
  UC15915  Lupinus luteolus Mrs. T. J. Maynard 1897-7-28 Contra Costa Walnut Creek Comment
  CDA28918  Lupinus microcarpus D. G. Kelch, Troy MacGregor 2009-5-24 9 .298 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  JEPS112376  Lupinus microcarpus var. densiflorus Dean G. Kelch and Andrew G. Murdock 2003-6-2 88 Contra Costa Crockett - Eckley; County: Contra Costa; East of pier at base of cliff. Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  UC692275  Lupinus microcarpus var. densiflorus Mary L. Bowerman 1931-4-18 735 Contra Costa Green Valley Mount Diablo (Mount Diablo); , Green Valley Comment
  UCD108697  Lupinus microcarpus var. densiflorus August Hartman 1960-4-19 15 D Contra Costa North Gate Road, Mt. Diablo. 304 Comment
  UC201011  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6 Contra Costa Richmond Annex Comment
  UC201021  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa Richmond Annex; El Dorado St. Comment
  UC33552  Lupinus microcarpus var. microcarpus Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UCD108866  Lupinus microcarpus var. microcarpus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  RSA0027718  Lupinus nanus Barbara Ertter, R. K. Brummitt 1998-5-13 16132 Contra Costa Summit Road on Mount Diablo, base of rock outcrop/roadcut above Juniper Camp. Comment
  UC2031457  Lupinus pachylobus Barbara Ertter with David Gowen 2014-4-9 21709 Contra Costa Ridge running SE from Devil's Elbow on south side of Mount Diablo summit Comment
  CHSC23154  Lupinus polycarpus Robert A. Schlising 1962-4-7 2149 Contra Costa Coastal Range. Roadside near Antioch Reservoir. Comment
  JEPS25128  Lupinus succulentus G. Thomas Robbins 1959-4-18 3993 Contra Costa road fill along Western Drive near and n Pt. Richmond (western base of Potrero Hills, Richmond); Richmond, n of Pt. Richmond, western base Potraro Hills 4 Comment
  POM290430  Luzula comosa Lyman Benson 1931-3-18 2659 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  JEPS48958  Luzula macrantha Elsa Kraeger 1926-3-7 Contra Costa South slope Mount Diablo Comment
  CAS-BOT-BC441217  Luzula macrantha H. L. Mason 1917-3-19 59 Contra Costa Lake Temescal Comment
  JEPS120275  Lychnis coronaria Barbara Ertter 2012-10-27 21293 Contra Costa entrance gate to Golf Course Trail in Tilden Regional Park 370 Comment
  CDA5756  Lycium chinense T. C. Fuller 1964-11-6 12810 Contra Costa Knightsen. 0 Comment
  CDA5759  Lycium chinense T. C. Fuller 1964-11-6 12810 Contra Costa Knightsen. 0 Comment
  JEPS45963  Lythrum hyssopifolia W. L. Jepson 1922-7-9 9734 Contra Costa Richmond 6 Comment
  UC692635  Lythrum hyssopifolia Mary L. Bowerman 1932-11-19 1662 Contra Costa Mount Diablo, Stachys Spring, Mountain Springs Canyon, (below junction of pipes from numbers 3 and 4 club springs) Mountain Springs Canyon; Mount Diablo, Stachys Spring, Mountain Springs Canyon Comment
  CAS-BOT-BC342682  Madia elegans Alice Eastwood 1915-5-30 4462 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC344326  Madia exigua Mary L. Bowerman 1931-5-19 867 Contra Costa Mount Diablo. Donner Canyon trail 274 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
  CDA8360  Madia gracilis D. G. Kelch, A. G. Murdock 2004-4-25 4 .119 Contra Costa Carquinez Strait; W of Martinez along Carquinez Scenic Dr. Comment
  CAS-BOT-BC342983  Madia gracilis John Thomas Howell 1931-5-12 6484 Contra Costa North side of Mt. Diablo Comment
  UC2028314  Madia gracilis Barbara Ertter, Susan D'Alcamo 1998-6-12 16162 Contra Costa Summit Road to top of Mount Diablo. Comment
  CAS-BOT-BC324487  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  UC761804  Madia radiata R. F. Hoover 1938-3-25 2898 Contra Costa Lone Tree Valley 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
  CDA42364  Madia sativa D. G. Kelch, Vince Guise 2012-7-26 12 .239 Contra Costa Wildcat Canyon Park, Alvarado Unit. Comment
  CAS-BOT-BC343581  Madia sativa David D. Keck 1941-6-5 5313 Contra Costa Berkeley Hills, Fish Creek Road, 1/4 mi. W. of east portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC343585  Madia sativa R. E. Frenkel 1963-8-18 265 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  POM267969  Madia sativa D. D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  CAS-BOT-BC206333  Malacothamnus fremontii John Thomas Howell; T. H. Kearney 1950-7-5 26635 Contra Costa Nortonville. Comment
  UC697144  Malacothamnus fremontii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running west from Twin Peaks Mount Diablo 335 Comment
  UC2029010  Malacothamnus fremontii Barbara Ertter with Dan Norris 1999-11-14 16853 Contra Costa Black Diamond Mines Regional Preserve, chaparral patch below east half of Miners Trail. Comment
  CAS-BOT-BC204098  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa Mt. Diablo 259 Comment
  UC198957 Image available Malacothamnus hallii H. M. Hall and F. M. Essig 1916-5-30 10131 Contra Costa Mt. Diablo 274 Comment
  CAS-BOT-BC204089  Malacothamnus hallii Lewis S. Rose 1954-6-29 54082 Contra Costa Mt. Diablo 2 1/2 mi. n. of Turtle Rock 182 Comment
  CAS-BOT-BC204093  Malacothamnus hallii Mary L. Bowerman 1938-11-12 3732 Contra Costa Mount Diablo. Lime Ridge, on crest of ridge south of 1004 289 Comment
  UC1613944  Malacothrix floccifera Charles M. Belshaw 1935-6-24 1024 Contra Costa Sobrante Hills Comment
  UC691448  Malacothrix floccifera Mary L. Bowerman 1930-6-10 302 Contra Costa Meridian Peak summit Mount Diablo Comment
  CHSC33984  Malva nicaeensis Willis Ball 1975-4-19 525 Contra Costa Contra Loma Regional Park. In area #1 ca. 40 yds sw of restroom facility at s end of reservoir. In picnic area. 36 Comment
  UC2013000  Malva nicaeensis Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14922 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UCD116680  Malva sylvestris Herbert L. Mason 1952-6-10 s.n. Contra Costa Waste land near Dwinelle Hall, University of California, Berkeley. Comment
  CDA35747  Malvella leprosa D. G. Kelch, Andrew G. Murdock 2004-7-9 4 .306 Contra Costa Carquinez Strait; Alhambra Creek, Martinez, near Muir gravesite, Arroyo del Hambre. Comment
  SEINET3840811  Malvella leprosa Unknown 2006-7-14 6 .332 Contra Costa Between route 4 and Carbon road, east Rodeo 24 Comment
  OBI12334  Malvella leprosa Robert F. Hoover 1966-8-31 9944 Contra Costa 1.5 mi E of Danville on Tassajara rd Comment
  RSA22265  Malvella leprosa L. S. Rose 1938-10-28 38310 Contra Costa Byron 3 Comment
  JEPS77008  Marah fabacea Robert M. Lloyd 1963-3-17 2136 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline), Huckleberry trail) Comment
  UC692642  Marah fabacea Mary L. Bowerman 1931-4-4 634 Contra Costa 2 mi by road North Gate; Mount Diablo 228 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
  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
  CHSC46895  Marah oregana R. A. Schlising 1964-6-5 2715 Contra Costa Oakland Hills, along Grizzly Peak Blvd. Comment
Read comments
Jun 3 2014
  CHSC46896  Marah oregana R. A. Schlising 1965-4-6 2775 Contra Costa Berkeley Hills. Comment
  CHSC116621  Matricaria discoidea Lowell Ahart; Josephine Guardino 2016-4-19 20766 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
  JEPS37068  Matricaria discoidea W. L. Jepson 1922-5-18 9647 Contra Costa Berkeley Comment
  CAS-BOT-BC348261  Matricaria occidentalis Alice Eastwood 1927-5-19 14446 Contra Costa Byron Springs Comment
  CAS-BOT-BC348257  Matricaria occidentalis R. E. Frenkel 1964-4-8 419 Contra Costa Bixler Marsh Comment
  POM11845  Matricaria occidentalis Katherine Brandegee 1916-05 s.n. Contra Costa Byron Springs Comment
  CDA29123  Medicago polymorpha D. G. Kelch 2006-5-7 6 .151 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS100116  Medicago polymorpha G. Smick 2003-4-1 GAS 107 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS99555  Melica californica Mary Bowerman 1991-5-21 Contra Costa Mount Diablo, Jim White Trail [Deer Flat Rd.]. South side of Juniper-Moses Rock Trail near Deer Flat junction. Comment
  JEPS99985  Melica californica S. O'Neil 2003-5-8 SEO 31 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM300624  Melica californica Mary L. Bowerman 1935-5-25 3070 Contra Costa Meridian Peak south of the summit (east of the hairpin turn on road). Mount Diablo. 1067 Comment
  RSA762310  Melica californica William J. Ferlatte, L. M. Moe 1970-4-27 1260 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CAS-BOT-BC271219  Melica californica Mary L. Bowerman 1933-5-8 2029 Contra Costa North of Rock City campground, Mount Diablo Comment
  CAS-BOT-BC281434  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mt Diablo. On slope SE-E along first W fork from Curry Creek trail 335 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
  CAS-BOT-BC262506  Melica torreyana John Thomas Howell 1933-5-14 11257 Contra Costa Hills east of St. Mary's College Comment
  SEINET1910265  Melica torreyana Barbara Ertter, John Little 1989-1 8111 Contra Costa Hillside Park in El Cerrito, +/- undisturbed vegetation on steep W facing slope Comment
  UC1948968  Melica torreyana William J. Ferlatte, L. Maynard Moe 1970-4-27 1228 Contra Costa San Francisco Bay: Red Rock Island 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
  UC691224  Melica torreyana Mary L. Bowerman 1933-4-26 1935 a Contra Costa Perkins Canyon branch between the main e ridge of North Peak and ridge to its south (canyon se from North Peak) Mt. Diablo 487 Comment
  UC691246  Melica torreyana Mary L. Bowerman 1935-5-3 2965 Contra Costa Sloan Rd; Mt. Diablo 487 Comment
  UC767145  Melica torreyana R. F. Hoover 1941-4-11 4833 Contra Costa Marsh Creek Canyon Comment
  JEPS112358  Melilotus albus Dean G. Kelch and Andrew G. Murdock 2004-6-4 313 Contra Costa Pacheco Marsh; County: Contra Costa. Comment
  JEPS128777  Melilotus albus Kevin Hintsa 1999-8-17 Contra Costa Mount Diablo State Park, Pine Canyon in flats adjacent to willow forest. Comment
  JEPS25238  Melissa officinalis G. Thomas Robbins 1959-8-1 4115 Contra Costa ca. 1 1/2 mi. s.e. St. Marys College (Las Trampas Creek); Las Trampas Creek 182 Comment
  JEPS112484  Mentha spicata var. spicata D. G. Kelch 2004-4-30 04 .159 Contra Costa Alhambra Valley Along Alhambra Valley Road 120 Comment
  UC692627  Mentzelia micrantha Mary L. Bowerman 1934-4-21 2534 Contra Costa Muir Area Mount Diablo Comment
  JEPS111949  Mercurialis ambigua D. G. Kelch 2004-4-3 04 .44 Contra Costa Crockett - Edwards Canyon Rare weed at nursery at Edwards Creek Staging Area (EBRPD) near barn. 24 Comment
Read comments
Jun 14 2011
  CDA23915  Mesembryanthemum nodiflorum D. G. Kelch 2006-7-14 6 .327 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  JEPS100177  Micropus californicus G. Smick 2003-4-29 GAS 149 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1795792  Micropus californicus var. californicus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14050 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  UC912408  Micropus californicus var. californicus Herbert L. Mason 1929-3-29 5129 Contra Costa Marsh Creek Road 2 mi e Clayton; Marsh Creek Road Comment
  CAS-BOT-BC348648  Micropus californicus var. subvestitus Brandegee No date on label s.n. Contra Costa Antioch Comment
  CDA29517  Microseris douglasii D. G. Kelch, Troy MacGregor 2009-5-1 9 .285 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC691465  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-18 729 Contra Costa in basin of ne fork Sycamore Canyon; Mount Diablo Comment
  UC2027851  Microseris douglasii subsp. douglasii Barbara Ertter with Stu Garrett 1997-3-29 15527 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  JEPS14576  Microseris douglasii subsp. tenella G. Thomas Robbins with Peter H. Raven 1956-4-28 3665 Contra Costa just s El Cerrito city limits (along Arlington Ave at Kenilworth Dr); Berkeley Hills 213 Comment
  UC70182  Microseris douglasii subsp. tenella J. Burtt Davy May 1898 Contra Costa Danville Mount Diablo Region Comment
  CAS-BOT-BC349170  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Hot Springs Comment
  POM301001  Microseris heterocarpa Mary L. Bowerman 1935-4-19 2849 Contra Costa Mount Diablo: West road 3.5 miles from entrance Comment
  POM53413  Microseris lindleyi C. F. Baker 1903-4-28 2832 Contra Costa Marsh Creek, Mount Diablo 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
  RSA15451  Mimulus aurantiacus var. aurantiacus J. T. Howell 1936-4-19 s.n. Contra Costa Nortonville Comment
  UC691614  Mimulus aurantiacus var. aurantiacus Mary L. Bowerman 1931-3-29 622 Contra Costa East Cave Point Ridge Mount Diablo Comment
  JEPS10570  Mimulus douglasii Mary L. Bowerman 1935-4-26 2906 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC1613940  Mimulus grandis Charles M. Belshaw 1935-6-24 1019 Contra Costa Sobrante Hills Comment
  UC2028091  Mimulus guttatus Barbara Ertter, Tony Morosco 1998-4-12 16001 Contra Costa Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail. Comment
  UC103731  Mimulus latidens T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC691909  Mimulus nasutus Mary L. Bowerman 1933-5-9 2056 Contra Costa e Pine Saddle; Mount Diablo, Curry Creek tributary Comment
  UC691650  Mimulus rattanii Mary L. Bowerman 1933-5-31 2222 Contra Costa Juniper Camp Mount Diablo Comment
  CAS-BOT-BC388585  Minuartia douglasii L. R. Abrams 1921-5-25 8026 Contra Costa Summit, Mt Diablo Comment
  CAS-BOT-BC388607  Minuartia douglasii A. D. E. Elmer 1921-6-11 s.n. Contra Costa Mt. Diablo summit Comment
  JEPS51443  Minuartia douglasii W. L. Jepson 1931-3-21 15712 Contra Costa Grizzly Peak; face, s slope, 600 ft below top Comment
  JEPS108214  Moehringia macrophylla David Gowen 2005-4-25 266 Contra Costa Mt. Diablo State Park. North Peak Trail, ca 1/4 mile south of Prospectors Gap. Comment
  RSA0033764  Mollugo verticillata Barbara Ertter 2005-8-18 18635 Contra Costa SE side of San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between San Pablo and Orinda, access between HQ and boat launching (reservoir way down this year while being drained for seismic work on dam). Comment
  RSA135441  Monardella douglasii Volney Rattan 1886-6-14 s.n. Contra Costa Mt. Diablo 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
  UC2070470  Monardella douglasii Barbara Ertter with John Ginochio 2002-6-1 17941 Contra Costa Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  UC2027752  Monardella douglasii subsp. douglasii Barbara Ertter with Mary Bowerman 1996-11-1 15408 Contra Costa North base of Mount Diablo, north end of Hetherington Trail along Donner Creek. Comment
  CAS-BOT-BC220511  Monardella villosa A. D. E. Elmer 1903-7-1 4658 Contra Costa Port Costa Comment
  CAS-BOT-BC220515  Monardella villosa Mary L. Bowerman 1938-6-21 3689 Contra Costa Mount Diablo Comment
  RSA0022790  Monardella villosa subsp. subserrata Katherine Brandegee 1907-7-4 s.n. Contra Costa Martinez. Comment
  POM301019  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Mount Diablo: Muir Area, southeast slope east of the rocks Comment
  CAS-BOT-BC349608  Monolopia major Ethel Crum 1939-3-19 2083 Contra Costa Two miles west of Byron 45 Comment
  JEPS25355  Monolopia major Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6965 Contra Costa along Camino Diablo 1.9 mi w Byron (at road summit) 54 Comment
  UC691658  Monolopia major Mary L. Bowerman 1933-4-15 1862 Contra Costa second ridge s Arroyo del Cerro (w of outcrop); Mount Diablo 396 Comment
  CAS-BOT-BC444826  Montia fontana Mary L. Bowerman 1939-3-31 3736 Contra Costa Mount Diablo. Spring in bend of road to Barbecue Terrace (off South Road) Comment
  JEPS73689  Montia fontana L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1758 Contra Costa about 3 mi se of Byron (at junction of Holey Road, along Byron-Bethany Road) 7 Comment
  CAS-BOT-BC445038  Montia linearis John Thomas Howell 1933-5-14 11226 Contra Costa St. Mary's College Comment
  CDA15240  Myoporum laetum G. F. Hrusa, D. Crowe 1998-5-8 14371 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CAS-BOT-BC83291  Myosurus minimus Herbert L. Mason 1952-4-26 14268 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC7111  Myosurus minimus subsp. apus M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  POM312428  Myosurus sessilis H. L. Mason 1952-4-26 14270 Contra Costa Vernal Pool, 3.5 miles S of Byron Comment
  SBBG115937  Myriophyllum sibiricum M. R. Bell 1950-10-9 Contra Costa near Concord, from stock pond on farm of E. J. Mangini Comment
  UC2031468  Myriophyllum verticillatum Barbara Ertter with Brad Olson 1991-9-28 10837 Contra Costa San Pablo Reservoir between Orinda and El Sobrante Comment
  UC2042751  Myriophyllum verticillatum Barbara Ertter with Lynne Hosley 1991-9-22 10822 Contra Costa Lafayette Reservoir in hills SW of Lafayette, in water at E end of dam. Comment
  JEPS102897  Narcissus tazetta Barbara Ertter 1998-1-25 15910 Contra Costa Back Canyon Road at crossroad S of Donner Canyon trailhead Mount Diablo Comment
  JEPS102918  Narcissus tazetta Barbara Ertter 1998-1-25 15910 Contra Costa so of Donner Canyon trailhead (Back Canyon Rd.); Mount Diablo Comment
  POM264922  Nassella cernua A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  UC1133134  Nassella cernua C. M. Belshaw 1936-5-9 2083 Contra Costa 1/2 mi n Nortonville (Plot 14); Mt. Diablo Comment
  CAS-BOT-BC259902  Nassella lepida Mary L. Bowerman 1938-6-30 3701 Contra Costa Mount Diablo. Blue Oak Flat 822 Comment
  UC692291  Nassella lepida Mary L. Bowerman 1935-5-22 3060 Contra Costa saddle w Twin Peaks (Eagle POint Ridge); Mount Diablo 441 Comment
  UC790940  Nassella pulchra A. A. Beetle 1941-3-28 1718 Contra Costa open cut Orinda Comment
  UCD36922  Nassella pulchra Beecher Crampton 1956-5-14 3403 Contra Costa Southeastern Mount Diablo, headwaters of Marsh Creek. 640 Comment
  UCD87434  Nassella pulchra A. A. Beetle 1941-3-29 1718 Contra Costa near Orinda. Comment
  CAS-BOT-BC260129  Nassella pulchra Mary L. Bowerman 1933-5-11 2085 Contra Costa Mount Diablo. Inner Black Hills, W of saddle Comment
  JEPS70310  Navarretia atractyloides K. Brandegee 1907-6-16 Contra Costa Judsonville Comment
  JEPS25390  Navarretia cotulifolia Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7003 Contra Costa 8 mi. s. Antioch (low spot in Briones Valley, just off Deer Valley Rd.); Briones Valley 79 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
  UC133782  Navarretia mellita Katharine Brandegee Sep 1892 Contra Costa Oakland Hills, Redwood Peak Redwood Peak; Oakland Hills, Redwood Peak Comment
  RSA22143  Navarretia mellita J. T. Howell 1938-6-30 13938 Contra Costa Head of Siesta Valley Comment
  SEINET12271290  Navarretia mellita J. T. Howell 1938-1 13938 Contra Costa head of Siesta Valley Comment
  POM65685  Navarretia nigelliformis Katherine Brandegee 1907-6-16 s.n. Contra Costa Near Antioch 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
  UCD48667  Navarretia squarrosa B. Crampton 1950-9-22 621 Contra Costa Found in a large stand, vacant lot 1 mile North of Richmond, Contra Costa Co., Calif. Comment
  UC124923  Navarretia viscidula Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  JEPS104757  Nemophila John L. Morrison 1937-4-11 2098 Contra Costa Bald Peak, E slope 571 Comment
  JEPS3210  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
  UC1021937  Nemophila heterophylla Rolf Y. Berg 1955-4-3 Contra Costa Laurel Dell Camp Mt. Diablo State Park; , Laurel Dell Camp Comment
  UC146146  Nemophila heterophylla Joseph P. Tracy 1903-4-18 1797 Contra Costa e slope of Bald Peak San Francisco Bay Region, , Bald Peak (Berkeley Hills) 304 Comment
  POM249049  Nemophila heterophylla Lincoln Constance, J. H. Morrison 1938-5-5 2190 Contra Costa Above Deer Flat near head of Mitchell Canyon, NW slope of Mt Diablo. 671 Comment
  POM65297  Nemophila heterophylla C. F. Baker 1903-4-28 2812 Contra Costa Mitchell s Canyon, Mt. Diablo. Comment
  RSA421271  Nemophila heterophylla H. de Forest 1930-4-6 s.n. Contra Costa [No location information on label.] Comment
  UC1069193  Nemophila menziesii R. C. Wilson 1935-3-13 124 Contra Costa 1 1/2 mi se Wall Pt.; Mt. Diablo Quad., se of Wall Pt. 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
  UC691710  Nemophila pedunculata Mary L. Bowerman 1935-3-16 2731 Contra Costa Arroyo del Cerro Mount Diablo, Arroyo del Cerro (e fork, Mount Diablo) 228 Comment
  UC2029051  Nemophila pedunculata Barbara Ertter 2000-3-30 16903 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1.5 miles from trailhead. Comment
  POM300990  Nicotiana bigelovii Mary L. Bowerman 1936-6-20 3416 Contra Costa Ridge west of Mount Zion, west side. 213 Comment
  CAS-BOT-BC233455  Nicotiana glauca Ira L. Wiggins 1930-4-18 4604 Contra Costa East end of Jersey Island Comment
  CAS-BOT-BC140361  Oemleria cerasiformis Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon 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
  JEPS75476  Oemleria cerasiformis P. F. Yorks 1974-2-24 111 Contra Costa ca 1.4 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Reserve (n of Briones Reservoir) Comment
  UC1128080  Oemleria cerasiformis R. W. Lundh 1933-4-2 226 Contra Costa San Francisco Quad. Comment
  UC691103  Oemleria cerasiformis Mary L. Bowerman 1933-4-22 1887 Contra Costa Curry Cave Point trail; Mount Diablo 396 Comment
  UC691109  Oemleria cerasiformis Mary L. Bowerman 1931-2-8 502 Contra Costa 4.5 mi from Mount Diablo west entrance (Mineral Spring); Mount Diablo Comment
  CDA38497  Oenanthe sarmentosa D. G. Kelch 2003-8-13 3 .1 Contra Costa Carquinez Strait Region; Martinez Marsh. 0 Comment
  UCD144309  Oenanthe sarmentosa G. F. Hrusa; D. Crowe 1998-5-8 14356 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 5 Comment
  UC2028431  Oenothera biennis Barbara Ertter 1996-9-28 15311 Contra Costa El Cerrito Creek, Creekside Park along Cerrito Creek at base of Albany Hill. Comment
  JEPS96237  Oenothera curtiflora Barbara Ertter 1991-9-22 10827 Contra Costa sw El Cerrito (Point Isabel Regional Shoreline); Point Isabel Regional Shoreline Comment
  CHSC69645  Oenothera deltoides subsp. cognata James D. Jokerst 1988-4-26 3003 Contra Costa Town of Oakly, E and adjacent to Hwy. 4, N of Cypress Rd., between highway and railroad tracks. Comment
  POM355600  Oenothera deltoides subsp. howellii Peter H. Raven 1965-5-9 20181 Contra Costa Antioch dunes Comment
  RSA119427  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 432 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  UC763071  Oenothera deltoides subsp. howellii R. F. Hoover 1937-5-14 2112 Contra Costa Antioch sand-dunes Comment
  RSA119418  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 434 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  UC1952821  Olea europaea Barbara Ertter with David Gowen 2010-11-17 20701 Contra Costa north face of Lime Ridge Open Space (City of Walnut Creek). Comment
  CAS-BOT-BC502763  Orobanche bulbosa F. T. Bioletti 1894-5-13 s.n. Contra Costa Mount Diablo Comment
  UC1125588  Orobanche fasciculata C. M. Belshaw 1936-5-8 2055 Contra Costa SE Slope of Mount Diablo. Comment
  UC691744  Orobanche fasciculata Mary L. Bowerman 1935-5-22 3056 Contra Costa Saddle west of Twin Peaks Comment
  CAS-BOT-BC499851  Orobanche fasciculata Alice Eastwood 1915-5-30 4536 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC500251  Orobanche uniflora subsp. occidentalis John Thomas Howell 1940-4-21 15401 Contra Costa Pine Canyon, Mt. Diablo Comment
  JEPS121477  Orobanche vallicola Adam C. Schneider 2013-10-12 316 Contra Costa Briones Regional Park, along north side of Beark Creek Trail, about 3/4 mile east of Oak Grove campground. Comment
  POM300994  Orthocarpus attenuatus Mary L. Bowerman 1933-5-11 2084 Contra Costa Inner Black Hills, west end (east of the meridian). 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
  JEPS99556  Osmorhiza chilensis Mary L. Bowerman 1975-6-7 Contra Costa Mount Diablo, Big Spring Comment
  CDA33874  Panicum capillare Diveney, Denijs 2008-9-17 PDR# 1454350 Contra Costa Concord; Contra Costa Canal near Grayson Creek 0 Comment
  UCD150909  Panicum capillare James A. Neilson Jr. 1972-10-22 3506 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  RSA0029056  Panicum capillare Barbara Ertter, Mary L. Bowerman, Lisa Schultheis 1998-8-21 16396 Contra Costa South side of Mount Diablo, South Gate Road 1.1 mi below entry kiosk. 366 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
  JEPS127671  Parapholis incurva Barbara Ertter with David Gowen and Michael Park 2017-5-2 22801 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC2028963  Parapholis incurva Barbara Ertter with Brad Olson et al. 2000-6-2 17306 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  JEPS100036  Paspalum dilatatum S. O'Neil 2003-9-16 SEO 46 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC259647  Paspalum dilatatum John Thomas Howell 1954-9-5 30025 Contra Costa Marsh Creek Springs Park Comment
  RSA0026146  Paspalum dilatatum Barbara Ertter 1998-6-20 16241 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Bob Pond at Old Borges Ranch. Comment
  UC2028559  Paspalum distichum Barbara Ertter with Chris Thayer 1996-10-25 15366 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park. Comment
  JEPS87902  Pectocarya pusilla Barbara Ertter, Lynne Hosley 1993-4-17 11508 Contra Costa ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side of open meadow along Blue Oak trail, Morgan Territory); Morgan Territory 609 Comment
  UC573057  Pectocarya pusilla H. L. Mason 1931-4-5 5827 Contra Costa rd between Marsh Creek and Livermore Comment
  UC27313  Pedicularis densiflora W. L. Jepson Contra Costa Mount Diablo Comment
  UC886639  Pedicularis densiflora Alice Eastwood 1922-3-17 11084 Contra Costa Mount Diablo Comment
  UCD102373  Pedicularis densiflora Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 520 Comment
  UCSB12518  Pedicularis densiflora Grah, Nancy 1962-4-14 Contra Costa 1.1 miles on Tappan Lane north of Tarry Lane, Orinda 243 Comment
  UCD123333  Pedicularis densiflora Collector unknown 1932-2-1 Contra Costa Mt. Diablo. 609 Comment
  JEPS112051  Pellaea andromedifolia A. G. Murdock 2004-4-30 247 Contra Costa Franklin Canyon - McHarry Ranch Rd 126 Comment
  JEPS112054  Pellaea andromedifolia A. G. Murdock 2003-2-21 68 Contra Costa Mt. Wanda - Martinez Chaparral, west border of Mt. Wanda property. 120 Comment
  JEPS79489  Pellaea andromedifolia Edward Lee with Annetta Carter 1936-1-12 1708 Contra Costa canyon immediately s of Nortonville Comment
  RSA686788  Pellaea andromedifolia Mark Morris 1929-03 14912 Contra Costa Mt. Diablo. Comment
  UC1874923  Pellaea andromedifolia Ruth Kirkpatrick 2003-3-1 1141 Contra Costa Mount Diablo 396 Comment
  SEINET11713741  Pellaea andromedifolia M. T. Doutt 1930-1 90 Contra Costa Marsh Creek Comment
  UC399537  Pellaea mucronata var. mucronata Michener May, 1894 Contra Costa Mt Diablo Comment
  JEPS17394  Penstemon centranthifolius Rimo Bacigalupi with G. T. Robbins 1955-5-4 4984 Contra Costa about 1 1/4 mi e Antioch (near the San Joaquin River); near San Joaquin River, e of Antioch 9 Comment
  JEPS127735  Penstemon heterophyllus B. Keller, Valov, Debra 2009-8-17 UCBG 37 Contra Costa Mt. Diablo State Park. along Summit Rd, 14.96 km SE of the north gate entrance in the city of Walnut Creek and about 0.8 km E of Juniper Camp. Comment
  UC41765  Penstemon heterophyllus var. heterophyllus V. K. Chesnut Contra Costa Mt. 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
  UC697212  Pentachaeta exilis Mary L. Bowerman 1931-4-4 670 Contra Costa w Turtle Rock; Mount Diablo 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
  POM55516  Pentachaeta exilis C. F. Baker 1903-4-28 2826 Contra Costa Marsh Creek, Mt. Diablo. Comment
  UCD137784  Pentagramma triangularis Herbert L. Mason 1924-11-23 1163 Contra Costa Las Trampas Ridge via Cashion. Comment
  UC692261  Perideridia californica Mary L. Bowerman 1933-6-20 2329 Contra Costa edge of stream <a> little above Bilharan Lodge; Mount Diablo, Donner Canyon Comment
  JEPS100133  Perideridia kelloggii A. Langston 2003-7-9 AL 63 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1606429  Perideridia kelloggii Barbara Ertter, Brad Olson 1993-8-8 12203 Contra Costa sw San Ramon; Bishop Ranch Regional Open Space Comment
  UC691890  Perideridia kelloggii Mary L. Bowerman 1938-6-30 3698 Contra Costa Black Oak Flat Mount Diablo (dry streamlet n of chaparral) 762 Comment
  UC1389992  Perideridia oregana T. I. Chuang, L. Constance, R. S. Mitchell, and S. Banwar 1965-7-23 6007 Contra Costa between Green Valley and Pine Creek; Mount Diablo Comment
  UCD161764  Persicaria James A. Neilson Jr. 1972-10-22 3505 Contra Costa Walnut Creek drainage at State Highway 4. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1 Comment
  CAS-BOT-BC413495  Persicaria amphibia Mary L. Bowerman 1935-7-22 3185 Contra Costa Mount Diablo. Hidden Pond 518 Comment
  UC2029086  Persicaria maculosa Barbara Ertter 2000-7-16 17396 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  CAS-BOT-BC419324  Persicaria punctata Brian Atwater 1978-10-24 BA- 162 Contra Costa Between Bethel Island and Holland Tract Comment
  UC2062630  Persicaria punctata Barbara Ertter 2005-8-15 18627 Contra Costa East side of Contra Loma Reservoir south Antioch. Comment
  CHSC39484  Phacelia Tyler Williams 1984-4-18 20 Contra Costa Mt. Diablo. Upper site at Rocky Point Picnic Area on Summit Rd. in Mt. Diablo State Park. 670 Comment
  JEPS1453  Phacelia breweri Mary L. Bowerman 1931-5-7 812 Contra Costa ne side of peak Mount Diablo, Meridian Peak (on way to saddle) Comment
  JEPS1459  Phacelia breweri W. L. Jepson 1922-5-23 9656 Contra Costa near summit; Mount Diablo Comment
  UC735070  Phacelia breweri Lincoln Constance, T. Morley, R. H. Shan, and W. H. Wagner 1946-4-26 3034 Contra Costa below Devil's Pulpit; Mount Diablo, Devil's Elbow 1127 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
  UC767564  Phacelia ciliata var. ciliata R. F. Hoover 1938-3-25 2897 Contra Costa Lone Tree Valley Comment
  UC881009  Phacelia ciliata var. ciliata Lewis S. Rose 1937-3-26 37013 Contra Costa Brentwood 6 Comment
  JEPS111838  Phacelia distans D. G. Kelch 2003-4-3 03 .359 Contra Costa Cummings Skyway 115 Comment
  JEPS2399  Phacelia distans R. F. Hoover 1937-5-14 2116 Contra Costa Antioch sand-dunes Comment
  JEPS73329  Phacelia distans Edward Lee 1935-3-10 1297 A Contra Costa e Antioch; Antioch Sand Dunes Comment
  UC107374  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  POM65421  Phacelia distans C. F. Baker 1903-4-28 2806 Contra Costa Antioch Comment
  JEPS2351  Phacelia divaricata W. L. Jepson 1899-4-19 21019 Contra Costa Las Trampas Ridge Comment
  RSA276849  Phacelia douglasii James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC2027758  Phacelia imbricata subsp. imbricata Barbara Ertter with Holly Forbes 1997-4-20 15559 Contra Costa North side of Mount Diablo, rocky outcrop north of Twin Peaks. Comment
  CAS-BOT-BC154337  Phacelia phacelioides Alice Eastwood 1921-6-11 s.n. Contra Costa Mt. Diablo Comment
  SFV3029  Phacelia phacelioides L. Constance, C. W. Sharsmith, H. S. Reed 1940-4-27 2574 Contra Costa North Coast Ranges Mount Diablo, north of Juniper Camp. 762 Comment
  UC691330  Phacelia phacelioides Mary L. Bowerman 1933-5-2 1950 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  CAS-BOT-BC154334  Phacelia phacelioides Lincoln Constance; Carl W. Sharsmith; Howard S. Reed 1940-4-27 2574 Contra Costa Northy of Juniper Camp, Mount Diablo 762 Comment
  JEPS99530  Phacelia rattanii Mary L. Bowerman 1978-5-21 Contra Costa Donner Canyon; ; Mount Diablo, Donner Canyon toward top of loop. Comment
  CDA40455  Phacelia tanacetifolia D. G. Kelch 2004-4-3 4 .056 Contra Costa Carquinez Strait Region; Crockett-Tormey Headlands, west of the I-80 and Cummings Skyway junction. Comment
  JEPS1284  Phacelia tanacetifolia Linda Gehringer 1914-3-29 Contra Costa Brentwood Comment
  UC107559  Phacelia tanacetifolia Mrs. Brandegee 1890-1 Contra Costa Comment
  POM300721  Phalaris minor Mary L. Bowerman 1932-4-27 1402 Contra Costa Oyster Ridge, south face , canyon west of Riggs Canyon 351 Comment
  UC768491  Phalaris paradoxa R. F. Hoover 1937-5-14 2123 Contra Costa Byron Hot Springs Comment
  UCD89404  Phalaris paradoxa P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UC2028531  Phalaris paradoxa Barbara Ertter 1998-5-3 16030 Contra Costa Macedo Ranch at southwest base of Mount Diablo. Comment
  JEPS112007  Phlox gracilis D. G. Kelch 2005-3-25 05 .88 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak. 115 Comment
  JEPS71095  Phlox gracilis W. L. Jepson 1923-3-11 9846 Contra Costa Black Hills Mt. Diablo 396 Comment
  UC908774  Phlox gracilis R. F. Hoover 1935-3-10 313 Contra Costa Antioch Comment
  JEPS96244  Phoenix canariensis Barbara Ertter, Brad Olson 1993-10-30 12292 Contra Costa w of railroad tracks n of mouth of Pinole Creek (San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  JEPS1830  Pholistoma auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Sycamore Canyon 365 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
  CAS-BOT-BC222492  Pholistoma auritum var. auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Mount Diablo. Sycamore Canyon 365 Comment
  UC1078910  Phoradendron macrophyllum Job Kuijt 1957-11-3 1439 Contra Costa 3 mi. s. of Wildcat Picnic area turn-off Mt. Diablo 548 Comment
  CAS-BOT-BC141122  Phoradendron serotinum subsp. macrophyllum L. R. Abrams 1916-7-29 6307 Contra Costa Walnut Creek Comment
  CAS-BOT-BC141254  Phoradendron serotinum subsp. tomentosum Mary L. Bowerman 1932-10-22 1636 Contra Costa Road to Quicksilver Mine: Flats at base of N Peak. Mount Diablo Comment
  UC692039  Phoradendron villosum Mary L. Bowerman 1932-1-23 1077 Contra Costa knoll w. of the knoll between Sycamore Ridge and 1920 point Mt. Diablo Comment
  CDA8371  Phragmites australis D. G. Kelch, A. G. Murdock 2003-8-13 3 .101 Contra Costa Carquinez Strait; Salt Marsh E of Marina. Martinez. Comment
Read comments
Mar 11 2011
  POM181424  Phragmites australis I. L. Wiggins 1930-4-18 4588 Contra Costa Jersey Island Comment
  UC311199  Phragmites australis A. D. E. Elmer July 1903 4541 Contra Costa Martinez Comment
  SEINET10659957  Phragmites communis Adolph D. E. Elmer Elmer 4541 Contra Costa Concord. Comment
  UCD33148  Phyllostachys Beecher Crampton 1966-10-18 7814 Contra Costa Contra Costa County, Kensington, Berkeley Hills Blake Garden, UC Berkeley Dept. of landscape architecture. Comment
  SD241704  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. Comment
  JEPS46474  Pickeringia montana W. L. Jepson 1919-1-25 8212 Contra Costa Moraga Ridge Comment
  UC1795816  Pickeringia montana Barbara Ertter, Lisa Schultheis 1995-4-27 14019 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course). 182 Comment
  UC692284  Pickeringia montana var. montana Mary L. Bowerman 1933-6-7 2277 Contra Costa Inner Black Hills Mount Diablo (n exposure, w of 1970) Comment
  UCD48018  Picrasma quassioides Ellen Dean; Petra Unger 2005-7-19 2700 Contra Costa Contra Costa Water District land, Byron Tract, just S of Hwy 4, along Old River, on the east bank. 1 Comment
  CDA39576  Picrasma quassioides E. Dean, Petra Unger 2005-7-19 2700 Contra Costa Contra Costa Water District land, Byron Tract, just south of Highway 4, along Old River, on east bank. 0 Comment
  JEPS65182  Pilularia americana L. R. Heckard 1971-4-15 2485 Contra Costa s Byron (field at intersection of Holey Rd.) Comment
  SBBG56314  Pilularia americana K. Brandegee 1909-4-24 Contra Costa Briones Rd, between Antioch and Marsh Crk Comment
  SD65509  Pilularia americana Katherine Brandegee 1909-4-24 Contra Costa Briones Road, between Antioch and Marsh Creek Comment
  JEPS48223  Pinus attenuata H. M. Wheeler 1944-1-16 Contra Costa Oakland Hills Moraga Ridge; , Moraga Ridge Comment
  SEINET3871797  Pinus attenuata Judy Kaufman 1963-2-15 6 Contra Costa On top slopes of Flicker Ridge.; 0 107 Comment
  JEPS47871  Pinus coulteri W. L. Jepson 1909-6-25 3116 Contra Costa Mt. Diablo Comment
  UC691927  Pinus coulteri Mary L. Bowerman 1931-3-8 565 Contra Costa above Mitchell Rock; Mount Diablo Comment
  CDA265  Pinus halepensis D. G. Kelch 2007-9-9 7 .582 Contra Costa Strait of Carquinez; W. Crockett, on hill above Dead Fish restaurant on thin soil over sandstone. Comment
  UC1051358  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CDA31159  Pinus radiata D. G. Kelch 2008-9-2 8 .306 Contra Costa Carquinez Strait.; Pinole Valley Park. Comment
  SEINET3874454 Image available Pinus radiata James K. Detling 1963-3-21 39 Contra Costa Near Glorietta School, Orinda, California.; 0 91 Comment
  CDA28753  Pinus sabiniana S. M. Blank 2007-4-7 Z 16 /07 Contra Costa Sacramento Valley; Mount Diablo State Park, Summit Road. Comment
  JEPS46902  Pinus sabiniana W. L. Jepson 1907-4-26 2649 Contra Costa Mt. Diablo Comment
Read comments
Aug 21 2014
  JEPS48206  Pinus sabiniana W. L. Jepson 1931-4-5 15727 Contra Costa Nortonville Comment
  UC1134136  Pinus sabiniana R. W. Lundh 1932-9-7 161 Contra Costa 1 mi n Eagle point; Mt. Diablo Quad. 228 Comment
  UC692100  Pinus sabiniana Mary L. Bowerman 1933-5-10 2070 Contra Costa 100 ft below Muir Area Comment
  UC691271  Piperia Mary L. Bowerman 1938-6-30 3700 Contra Costa Blue Oak Flat Mount Diablo 822 Comment
  UC1819070  Piptatherum miliaceum Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13940 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, on east side of stream not far from trail head. 182 Comment
  UC2028459  Piptatherum miliaceum Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17517 Contra Costa South side Mount Diablo, Pioneer Horse Camp, edge of scrub Comment
  CDA34979  Pistacia atlantica Barbara Ertter, Dan Norris 2001-4-8 17603 Contra Costa Lime Ridge Open Space, main pit of west quarry area north of the adjacent golf course. Comment
  UC2028244  Pistacia atlantica Barbara Ertter, Tony Morosco 1998-9-18 16418 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  JEPS88006  Plagiobothrys acanthocarpus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8117 Contra Costa ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  UC1618199  Plagiobothrys acanthocarpus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8133 Contra Costa ca. 15 air mi. s.w. Stockton (alkali sink w. and adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  UC691338  Plagiobothrys acanthocarpus Mary L. Bowerman 1933-3-25 1761 Contra Costa Diablo Stock Farm, Emmons Canyon, w fork Stone Valley Canyon Mount Diablo, Stone Valley Canyon, Emmons Canyon Comment
  UC180104  Plagiobothrys fulvus Harley P. Chandler 1901-3-21 840 Contra Costa s Concord; Lime Ridge Comment
  UC24579  Plagiobothrys leptocladus J. Burtt Davy 1895-4-7 946 Contra Costa Antioch Comment
  RSA666360  Plagiobothrys leptocladus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8129 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 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
  UC1069046  Plagiobothrys nothofulvus R. C. Wilson 1935-3-29 161 Contra Costa 1/2 mi w Deer Flat; Mt. Diablo Quadrangle Comment
  HSC3502  Plagiobothrys stipitatus Greg Bos 1963-4-26 88 Contra Costa Pinole Valley Rd., SE of Pinole 76 Comment
  OBI20600  Plagiobothrys stipitatus var. micranthus Robert F. Hoover 1967-4-28 10513 Contra Costa Byron Hot Springs Comment
  RSA0069382  Plagiobothrys stipitatus var. micranthus Katie Gallagher, Nick Jensen 2014-4-26 207 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC691336  Plagiobothrys tenellus Mary L. Bowerman 1933-5-8 2033 Contra Costa flat n Rock City Camp; Mount Diablo Comment
  UC79336  Plagiobothrys tenellus Katharine Brandegee April 1890 Contra Costa Antioch Comment
  JEPS116943  Plagiobothrys trachycarpus David Gowen 2008-4-16 863 Contra Costa Just south of parking area for Black Diamond Mines Regional Preserve on Frederickson Road. Comment
  UC2028080  Plantago coronopus Barbara Ertter, Tony Morosco 1998-4-12 15990 Contra Costa Base of Mount Olympia on north side of Mount Diablo, open flat below quarry NE of Olympia Trail. Comment
  JEPS127674  Plantago elongata Barbara Ertter with David Gowen and Michael Park 2017-5-2 22807 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  JEPS24312  Plantago elongata S. G. Smith 1957-4-28 2851 Contra Costa 1 mi s Byron Comment
  UC1618337  Plantago erecta Barbara Ertter with John Little 1989-4-2 8109 Contra Costa s end of Hillside Park in El Cerrito Hillside Park; El Cerrito, Hillside Park Comment
  UC32534  Plantago erecta J. P. Tracy 1900-3-24 619 Contra Costa Point Richmond San Francisco Bay Region 15 Comment
  UC691529  Plantago erecta Mary L. Bowerman 1931-3-21 599 Contra Costa e end Fossil Ridge (just above the creek); Mount Diablo Comment
  SD131987  Plantago erecta W. L. Jepson 1923-4-22 9872 Contra Costa On hilltops. Mt. Diablo. Comment
  JEPS99965  Plantago lanceolata G. Smick 2003-5-30 GAS 203 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1818866  Plantago lanceolata Barbara Ertter, Kristin Ertter 1995-7-11 14475 Contra Costa Sulfur Spring on Pine Cr, Diblo Foothill Regional Park, marshy wet ground. 121 Comment
  JEPS111994  Plantago major D. G. Kelch 2004-4-24 04 .103 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  UC1818865  Plantago major Barbara Ertter, Kristin Ertter 1995-7-11 14474 Contra Costa Sulfur Spring on Pine Cr, Diblo Foothill Regional Park, marshy wet ground. 121 Comment
  RSA319067  Plantago major Patricia Wilder 1961-8-27 1070 Contra Costa Walnut Creek, near Calif. Hwy 24. 24 Stanley Court. 42 Comment
  JEPS78614  Plantago subnuda Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3298 Contra Costa Botany Cove, Browns Island Comment
  UC1328152  Platystemon californicus Olive Dyer April 1938 424 Contra Costa San Pablo Ridge Wildcat Canyon (just over on Orinda side); , Wildcat Canyon Comment
  PASA293  Plectritis ciliosa Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC1607967  Plectritis ciliosa Donald G. Nelson 1937-3-30 463 Contra Costa along Marsh Creek Rd. between Clayton and Byron Comment
  JEPS18277  Plectritis ciliosa subsp. ciliosa Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-11 10619 Contra Costa 2.4 mi s of Curry Creek (Recreation Ground on road to Livermore) Comment
  JEPS6156  Plectritis congesta L. T. Dempster 1954-6-4 Contra Costa N of Orinda Wildcat Canyon Road 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
  UC1818893  Plectritis macrocera Barbara Ertter, Mary Bowerman et al. 1995-5-7 14068 Contra Costa Three-Springs Creek, small serpentine patch at road junction, Comment
  UC691523  Plectritis macrocera Mary L. Bowerman 1933-4-15 1866 Contra Costa Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo 411 Comment
  UC2027810  Plectritis macrocera Barbara Ertter with Stu Garrett 1997-3-29 15542 Contra Costa West side Mount Diablo, Mothers Trail. Comment
  UC416755  Plectritis macrocera Harley P. Chandler 1901-3-22 883 Contra Costa near Fish Ranch Comment
  POM313147  Pleuropogon californicus var. californicus S. Galen Smith, Peter Kamb, Francia Chisaki 1951-4-14 1978 Contra Costa Margins of small pond 0.2 miles south of junction of highways 4 and 21, 7 miles north of Walnut Creek. Comment
  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
  SJSU5395  Pluchea odorata var. odorata M. Bruch 1966-10-30 Contra Costa SW end of Winter Island, New York Slough, confluence of San Joaquin-Sacramento rivers c. 2 mi NW of Antioch Comment
  UCD159503  Pluchea odorata var. odorata D. S. Park 2010-9-11 251 -2 Contra Costa Waterfront Rd. Growing in ditch along roadside. Disturbed. Wet. 5 Comment
  POM205468  Poa howellii Jos Burtt Davy 1899-4-19 7853 Contra Costa Las Trampas Creek Comment
  UCD91141  Poa howellii G. L. Stebbins Jr. 1936-4-18 1539 Contra Costa head of Curry Canyon, SE side of Mt. Diablo. Comment
  RSA484205  Poa secunda Mary L. Bowerman 1931-4-18 715 Contra Costa Sycamore Canyon 335 Comment
  UC692417  Poa secunda subsp. secunda Mary L. Bowerman 1935-4-19 2859 Contra Costa near Turtle Rock (hillside opposite side of rd); Mt Diablo 457 Comment
  UC70972  Poa secunda subsp. secunda unknown Contra Costa Region of Mt Diablo Comment
  UCD90795  Poa secunda subsp. secunda Beecher Crampton 1956-5-14 3387 Contra Costa 6.7 miles SW of Antioch, between old coal mining towns of Somersville and Nortonville. Comment
Read comments
Jul 1 2011
  UCD91679  Poa secunda subsp. secunda P. B. Kennedy 1925-4-25 s.n. Contra Costa Road to Sycamore Canyon, Mt. Diablo. Comment
  SEINET8732915 Image available Pogogyne douglasii Leo Koch 1940-1 1002 Contra Costa Along railroad tracks, saline flat two miles south of San Rafael Ferry dock. Comment
  JEPS107077  Pogogyne serpylloides Barbara Ertter, Lisa Schultheis 1995-4-27 14017 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course). Comment
  JEPS112472  Pogogyne serpylloides D. G. Kelch 2005-5-1 05 .196 Contra Costa Crockett - Edwards Canyon. 150 Comment
  JEPS112475  Pogogyne serpylloides D. G. Kelch 2005-3-25 05 .78 Contra Costa Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 150 Comment
  UC163221  Pogogyne serpylloides H. M. Hall 1901-4-5 1738 Contra Costa Mount Diablo Comment
  RSA0022137  Pogogyne serpylloides J. T. Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  UC1988933  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  UC691512  Pogogyne serpylloides Mary L. Bowerman 1933-5-8 2027 Contra Costa Mount Diablo, small flat north of Rock City Camp. Comment
  UC691728  Pogogyne serpylloides Mary L. Bowerman 1938-5-28 3639 Contra Costa North road 5.4 miles from North Gate 457 Comment
  UC1988939  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 mi S of Antioch Comment
  UC692146  Polygonum amphibium Mary L. Bowerman 1935-9-13 3338 Contra Costa Hidden Pond Mount Diablo Comment
  UC692156  Polygonum amphibium Mary L. Bowerman 1935-9-13 3339 Contra Costa Hidden Pond Mount Diablo 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
  UC692068  Polygonum amphibium var. emersum Mary L. Bowerman 1931-6-16 928 Contra Costa Chase Pond Mount Diablo (by Old Government Trail) Comment
  CDA31465  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-8-12 6 .376 Contra Costa Carquinez Strait; Martinez. Along Alhambra Creek near train station. Comment
  UC1818918  Polygonum lapathifolium Barbara Ertter 1995-8-19 14503 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
  UC1478303  Polypodium Alan R. Smith with Tom Lemieux 1981-11-19 825 Contra Costa n slope Mt. Diablo (creekside ravine along North Gate Rd, 3.6 mi w of (below) Park HQ (South Gate Rd. junction)); Mt. Diablo State Park 640 Comment
  RSA485489  Polypodium californicum Lyman Benson 1935-3-16 6266 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 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
  JEPS79503  Polypodium calirhiza Edward Lee with C. Belshaw 1935-12-28 1706 Contra Costa Las Trampas Ridge Las Trampas Peak 441 Comment
  UC1222107  Polypodium calirhiza Joseph Andorfer Ewan 1934-3-10 8657 Contra Costa 1/2 mi below Orinda rd. bridge; Wildcat Canyon Comment
Read comments
Aug 23 2009
  UC1446058  Polypodium calirhiza Alan Smith with Ed Lee 1979-4-25 730 Contra Costa n side Mt. Diablo Peak (trail beyond Devil's Elbow toward saddle between Mt. Diablo and North Peak) 1066 Comment
  JEPS79616  Polypodium calirhiza Edward Lee 1979-4-26 Contra Costa prospector's jeep trail Devil's Elbow; Mt. Diablo Comment
  UCD137006  Polypodium calirhiza Herbert L. Mason 1928-3-4 41696 Contra Costa Shell Ridge. Comment
  CAS-BOT-BC361416  Polypogon Peter Rubtzoff 1968-9-18 5965 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  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
  CDA32661  Polypogon monspeliensis D. G. Kelch, Andrew G. Murdock 2004-4-26 4 .135 Contra Costa Carquinez Strait Region; Pt. Pinole. Comment
  UC50633  Polypogon monspeliensis Jos. Burtt Davy 1897-9-4 4079 Contra Costa Stege Comment
  UCD91255  Polypogon monspeliensis Brandegee 1916-5-9 s.n. Contra Costa Byron Springs. Comment
  UCD91279  Polypogon monspeliensis Beecher Crampton 1956-5-14 3412 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  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
  CAS-BOT-BC237473  Polypogon viridis Walter & Irja Knight 1969-6-4 2623 Contra Costa In the Regional Parks Botanic Garden Comment
  CAS-BOT-BC76718  Polystichum lemmonii C. G. Pringle 1881-8-20 s.n. Contra Costa Mountains about eh head waters of the Sacramento River Comment
  UC1063673  Polystichum munitum R. W. Lundh 1933-3-6 211 Contra Costa 1/2 mi w Eastport; Concord Quadrangle Comment
  UC606764  Polystichum munitum Edward Lee 1936-4-19 1983 Contra Costa se slope of island Red Rock; San Francisco Bay Comment
  UC403974  Populus fremontii subsp. fremontii W. L. Jepson 1907-4 Contra Costa near Walnut Creek (San Ramon Valley); San Ramon Valley Comment
  CAS-BOT-BC267113  Potamogeton Walter Knight; L. R. Heckard; B. Johnson 1978-9-28 3272 Contra Costa Mouth of Crooked Slough, Browns Island Comment
  UC1606288  Potamogeton crispus Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10865 Contra Costa just w of Antioch marina (along levee at water's edge, accessed from marina); Dow Wetlands Preserve Comment
  CHSC106696  Potamogeton filiformis Barbara Ertter; Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10715 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento and San Joaquin rivers opposite Pittsburg Marina. Tangled masses in water at W end of island. Comment
  SD211524  Potamogeton filiformis Barbara Ertter, Diane Lake, et al 1991-8-18 10715 Contra Costa Browns Island North of Pittsburg near confluence of Sacrament and San Joaquin rivers opposite Pittsburg Marina; at West end of island. Comment
  UC1606300  Potamogeton filiformis Barbara Ertter with Lynne Hosley and Sid Cowles 1992-6-7 11087 Contra Costa pond in quarry E of Round Top; Sibley Volcanic Regional Preserve, Oakland Hills Comment
  UC2029168  Potamogeton pectinatus Barbara Ertter 2000-7-16 17399 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  JEPS23820  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
  UC1784905  Prunus dulcis Barbara Ertter, Chris Thayer 1995-4-25 s. n. Contra Costa Sycamore Creek on SE foot of Mount Diablo Comment
  JEPS44968  Prunus subcordata W. L. Jepson 1907-4-26 2648 c Contra Costa Mitchell Canyon Mt Diablo Comment
  JEPS111514  Pseudognaphalium californicum D. G. Kelch 2005-5-13 05 .277 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 66 Comment
  UC2028004  Pseudognaphalium canescens Barbara Ertter with Amy Rusev 1998-1-17 15901 Contra Costa edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  CAS-BOT-BC356972  Pseudognaphalium luteoalbum Walter Knight 1977-7-20 s.n. Contra Costa East Bay Regional Park District. On Briones Ridge at about 1,000 ft elev. Briones Regional Park 304 Comment
  UC694145  Psilocarphus tenellus H. L. Mason 1932-4-24 6964 Contra Costa Marsh Creek Road Comment
  RSA0068481  Psilocarphus tenellus Katie Gallagher, Nick Jensen 2014-4-26 194 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC1819052  Psilocarphus tenellus Barbara Ertter, Chris Thayer 1995-4-25 13990 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  POM138972  Ptelea baldwinii subsp. crenulata A. D. E. Elmer 1903-05 4327 Contra Costa Mount Diablo. Comment
  POM127713  Ptelea baldwinii subsp. crenulata H. M. Hall 1916-5-31 10138 Contra Costa W side of Mt Diablo Comment
  CAS-BOT-BC148630  Ptelea crenulata Alice Eastwood; John Thomas Howell 1936-4-19 2134 Contra Costa Nortonville Comment
  CAS-BOT-BC148639  Ptelea crenulata W. L. Jepson 1918-6-5 7603 a Contra Costa Mt. Diablo, Donner Canyon Comment
  JEPS40169  Ptelea crenulata W. L. Jepson 1920-9-6 9082 Contra Costa Mt. Diablo Comment
  JEPS40172  Ptelea crenulata W. L. Jepson 1907-4-27 2648 Contra Costa Mt. Diablo Comment
  JEPS99948  Ptelea crenulata G. Smick 2003-4-8 GAS 127 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1602321  Ptelea crenulata R. W. Lundh 1932-9-3 156 Contra Costa 1 mi n Mt. Diablo, North Peak; Mt. Diablo Quad. 609 Comment
  UC2029093  Ptelea crenulata Barbara Ertter with Travis Columbus 1990-6-10 9110 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, on Spengler Trail NE of Briones Peak. Comment
  UCD116921  Ptelea crenulata P. B. Kennedy 1929-4-25 s.n. Contra Costa Marsh Creek Road. Comment
  CAS-BOT-BC148617  Ptelea crenulata Peter H. Raven; H. L. Mason; R. Ornduff 1957-4-11 10624 Contra Costa Curry Canyon, 4.0 miles s. of Recreation Ground Comment
  CAS-BOT-BC148642  Ptelea crenulata H. E. McMinn 1922-6-2 95 Contra Costa In ravine on north slope of Mt. Diablo Comment
  UC2062647  Ptelea crenulata Barbara Ertter with Steve Matson 2003-11-11 Contra Costa Mount Diablo State Park, Deer Flat Road on north side of Moses Rock Ridge. Comment
  SEINET951733  Pteridaceae T. R. Van Devender, S. H. Stein 1980-1 Contra Costa Lafayette Reservoir Comment
  JEPS111934  Pteridium aquilinum A. G. Murdock 2003-9-12 160 Contra Costa Pinole On hill east of I-80 between Appian Way and Pinole Valley Road 33 Comment
  UCD92236  Puccinellia simplex Beecher Crampton 1968-3-27 8233 Contra Costa SE corner, ca. 3.5 miles south of Byron. Comment
  UC1748008  Quercus E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 657 Contra Costa Fossil Ridge, just below and 0.1 mi along fire rd that begins at the parking lot SE of Rock City and climbs onto Fossil Ridge in southeasterly direction Mount Diablo State Park 487 Comment
  UCSC009992  Quercus Al Keuter 2014-5-23 00 097 B Contra Costa Along Reliez Valley Road, Lafayette 72 Comment
  UC1543202  Quercus Donald G. Nelson 1939-12-3 642 Contra Costa n of Clayton (hillside opposite crest of trail from old brick ruin at coal mine) Comment
  UC1135753  Quercus X morehus R. W. Lundh 1932-9-3 155 Contra Costa 1 mi n North Peak; Mt. Diablo Quad. 609 Comment
  CAS-BOT-BC104166  Quercus X morehus Mary L. Bowerman 1931-9-27 1046 Contra Costa Mount Diablo. Near Quicksilver Mine on N side of North Peak 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
  CDA33514  Quercus agrifolia D. G. Kelch, Troy McGregor 2010-10-3 10 .412 Contra Costa Carquinez Strait; Hornbeck trail, west of Martinez. 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
  UCD45098  Quercus agrifolia John M. Burns 1959-3-4 s.n. Contra Costa Sand dunes along south side of San Joaquin River, just east of Antioch, Contra Costa County, California. Comment
  UC5471  Quercus agrifolia A. Resmond 1862-10-24 1474 Contra Costa near summit between Oakland and Walnut Creek Comment
  UCSC010011  Quercus agrifolia var. agrifolia Al Keuter 2014-5-23 AK 00 -095 Contra Costa Along Wildcat Canyon Road on the northeast side of the hills behind Berkeley 168 Comment
  UC691295  Quercus berberidifolia Mary L. Bowerman 1933-6-21 2341 Contra Costa Median Ridge (Donner Canyon) Mount Diablo Comment
  UC691301  Quercus berberidifolia Mary L. Bowerman 1933-5-19 2142 Contra Costa Sulphur Spring Canyon, e fork Mount Diablo 457 Comment
  CDA31069  Quercus chrysolepis D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .232 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC1135384  Quercus chrysolepis R. W. Lundh 1932-8-24 137 Contra Costa 2 mi s Mt. Diablo (Rock City); Mt. Diablo Quad. 502 Comment
  CAS-BOT-BC86644  Quercus douglasii Alice Eastwood 1923-5-14 11813 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC86649  Quercus douglasii Joseph Andorfer Ewan 1933-10-15 8028 Contra Costa Mt. Diablo 1066 Comment
  JEPS100000  Quercus douglasii S. O'Neil 2003-3-11 SEO 16 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111508  Quercus douglasii D. G. Kelch 2005-5-13 05 .270 Contra Costa Martinez - South Tall hill in South Martinez and North of I-4. Oak Savannah, Disturbed 96 Comment
  RSA573423  Quercus douglasii Joseph A. Ewan 1933-10-15 8028 Contra Costa Mount Diablo, south slope flat. 762 Comment
  UC1135448  Quercus douglasii R. W. Lundh 1932-8-17 131 Contra Costa 1 mi e Round Valley; Mt. Diablo Quad. 518 Comment
  UCD45684  Quercus douglasii John M. Tucker 1941-8-28 385 Contra Costa Beside road up Curry Canyon, 6 miles south of junction with the road from Clayton to Byron, Contra Costa County, California. Comment
  SEINET14301650 Image available Quercus douglasii Unknown Contra Costa Near North Gate Rd., Mt. Diablo Comment
  CAS-BOT-BC86123  Quercus dumosa Mary L. Bowerman 1932-9-17 1584 Contra Costa Mount Diablo. Donner Canyon, west fork: Bank between forks 304 Comment
  CAS-BOT-BC79606  Quercus durata Mary L. Bowerman 1932-10-16 1632 Contra Costa Mount Diablo. Donner Canyon Trail Comment
  CHSC83237  Quercus garryana E. Dean; M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 656 Contra Costa 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
  SBBG115591  Quercus garryana E. Dean, M. Bowerman, B. Ertter, J. M. Tucker, J. Kerbavaz 2000-9-13 654 Contra Costa Mt Diablo St Park, Fossil Ridge, just upslope of S Gate Rd, just W of Gibraltar Rock, SE of Rock City 487 Comment
  UC691287  Quercus garryana Mary L. Bowerman 1935-11-30 3352 Contra Costa between Gibralter Rock and Rock City Road; Mount Diablo Comment
  JEPS99999  Quercus kelloggii S. O'Neil 2003-3-11 SEO 11 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD17142  Quercus parvula var. shrevei E. Dean; with B. Ertter, J. M. Tucker, and K. Chaney 2000-9-13 650 Contra Costa California. Contra Costa County: City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., junction 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
  UC691248  Quercus wislizeni Mary L. Bowerman 1930-9-9 453 Contra Costa North Peak Mount Diablo Comment
  CAS-BOT-BC104712  Quercus wislizeni Alice Eastwood 1921-8-6 11043 Contra Costa Mt. Hamilton Comment
  UC1135920  Quercus wislizeni var. frutescens R. W. Lundh 1933-3-4 209 Contra Costa 0.5 mi n Pinehurst; Concord Quad. 304 Comment
  UC691446  Rafinesquia californica Mary L. Bowerman 1930-6-14 327 Contra Costa little below summit Meridian Peak; Mount Diablo, little below summit of Meridian Peak Comment
  UC691456  Rafinesquia californica Mary L. Bowerman 1932-5-6 1419 Contra Costa Mitchell Canyon Floor Mount Diablo, Mitchell Canyon Floor 213 Comment
  UC92077  Rafinesquia californica E. L. Greene 1886-5-24 Contra Costa Mount Diablo Comment
  UC2029188  Rafinesquia californica Barbara Ertter 2000-5-14 17014 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail between Donner Creek and Wild Oat Canyon Comment
  UC691952  Ranunculus aquatilis Mary L. Bowerman 1933-3-18 1754 Contra Costa Hidden Pond Mount Diablo Comment
  UC691953  Ranunculus aquatilis Mary L. Bowerman 1931-4-4 662 Contra Costa pool w Turtle Rock; Mount Diablo Comment
  CAS-BOT-BC379110  Ranunculus aquatilis var. diffusus A. D. E. Elmer 1903-5-1 4318 Contra Costa Mount Diablo Comment
  CDA29216  Ranunculus californicus D. G. Kelch 2006-5-7 6 .147 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  POM268432  Ranunculus californicus Lyman Benson 1935-3-16 6271 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC480590  Ranunculus californicus Carl Meyer 1928-2-22 295 Contra Costa Mt. Diablo Comment
  POM268438  Ranunculus californicus Mary L. Bowerman 1931-2-22 521 Contra Costa Sycamore Canyon Comment
  UC549110  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Danville South Coast Mt. Range, Sacramento River Watershed, Mt. Diabl (w base of mt.) 213 Comment
  UC692187  Ranunculus canus Mary L. Bowerman 1938-5-22 3048 Contra Costa canyon at n end which opens into saddle w Twin Peaks; Mount Diablo, Eagle Point Ridge 426 Comment
  UCSB11261  Ranunculus canus Hayes, Judy 1961-3-30 Contra Costa 2 miles N of South Gate of Mount Diablo State Park 457 Comment
  UC692171  Ranunculus canus var. canus Mary L. Bowerman 1932-3-23 1127 Contra Costa East of Donner Creek; Mount Diablo Comment
  POM268449  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6272 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  CDA922  Ranunculus hebecarpus D. G. Kelch 2006-5-4 6 .125 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  JEPS112061  Ranunculus hebecarpus D. G. Kelch 2005-5-1 05 .183 Contra Costa Crockett - Edwards Canyon 150 Comment
  UC9444  Ranunculus hebecarpus H. N. Bolander 1866-1 Contra Costa Monte Diablo Comment
  UC692124  Ranunculus hebecarpus Mary L. Bowerman 1935-4-12 2807 Contra Costa North Road immediately s section 33; Mount Diablo 182 Comment
  NY353467  Ranunculus hesperoxys E. L. Greene 1887-4-16 s.n. Contra Costa 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
  POM300585  Ranunculus muricatus Mary L. Bowerman 1938-5-25 3629 Contra Costa Arroyo Del Cerro by N road Comment
  UC1084395  Ranunculus occidentalis G. Thomas Robbins 1937-4-25 140 Contra Costa hillside near La Vista Comment
  UC2028580  Ranunculus occidentalis Barbara Ertter with Dan Norris 2001-4-15 17607 Contra Costa Diablo Foothills Regional Park. At east end of Alamo Trail. Comment
  POM181430  Raphanus sativus I. L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island. Comment
  JEPS41992  Rhamnus californica subsp. californica W. L. Jepson 1895-9-7 13977 Contra Costa Grizzly Peak Berkeley Hills Comment
  JEPS112064  Rhamnus crocea Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 Comment
  UC692582  Rhamnus crocea Mary L. Bowerman 1930-6-22 360 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC692583  Rhamnus crocea Mary L. Bowerman 1930-6-22 361 Contra Costa Deer Flat Mount Diablo Comment
  SEINET12210181  Rhamnus crocea var. ilicifolia M. T. Doutt 1930-1 s.n. Contra Costa Marsh Creek Comment
  CAS-BOT-BC59894  Rhamnus ilicifolia A. D. E. Elmer 1903-5-1 4326 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC59896  Rhamnus ilicifolia Mary L. Bowerman 1932-9-17 1579 Contra Costa Donner Canyon, w. branch: Canyon bottom. Comment
  CAS-BOT-BC59899  Rhamnus ilicifolia Rimo Bacigalupi 1922-9-24 s.n. Contra Costa Clayton. Comment
  UC311490  Rhamnus ilicifolia A. D. E. Elmer May 1903 4326 Contra Costa Mount Diablo Comment
  UC1177069  Rhamnus tomentella subsp. tomentella Peter H. Raven 1950-7-5 2486 Contra Costa near Juniper Camp; Mt. Diablo Comment
  UC18594  Rhamnus tomentella subsp. tomentella E. L. Greene 1892-1 Contra Costa Mount Diablo Comment
  UC692602  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-1-7 1687 Contra Costa Perkins Canyon, by dirt road Mount Diablo Comment
  JEPS49302  Ribes W. L. Jepson 1923-6-10 9997 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  UC2031402  Ribes amarum Barbara Ertter with David Gowen and Steve Matson 2007-3-17 18788 Contra Costa Huckleberry Botanic Regional Preserve in East Bay Hills above Montclair, dog-leg of Skyline Regional Trail at junction with trail from Pinehurst Road at base of canyon of upper San Leandro Creek Comment
  CAS-BOT-BC92923  Ribes californicum var. californicum Carl Meyer 1928-2-22 285 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC168924  Ribes malvaceum John Thomas Howell 1923-11-12 243 Contra Costa Mt. Diablo Comment
  UC1614322  Ribes malvaceum Charles M. Belshaw 1935-12-28 1422 Contra Costa Las Trampas Ridge, on trail above ranch house Las Trampas Ridge Comment
  UC570821  Ribes malvaceum Herbert L. Mason 1924-11-23 1168 Contra Costa Las Trampas Ridge Comment
  RSA0021634  Ribes malvaceum L. S. Rose 1934-2-1 34011 Contra Costa W. slope Mt. Diablo. 610 Comment
  JEPS79394  Ribes menziesii Edward Lee with Annetta Carter 1936-5-24 2167 Contra Costa 10 mi from Marsh Creek Road; Mt. Diablo, Morgan Territory Comment
  UC692435  Ribes menziesii Mary L. Bowerman 1933-6-3 2248 Contra Costa summit Meridian Peak (n side); Mt. Diablo 1127 Comment
  JEPS97012  Ribes sanguineum var. glutinosum R. D. Stone 1981-1-31 334 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) Comment
  SBBG98261  Ribes sanguineum var. glutinosum J. A. Ewan 1934-3-10 8650 Contra Costa Wildcat Cyn, 1.5 mi below Orinda Rd bridge Comment
  CAS-BOT-BC362960  Rigiopappus leptocladus Mary L. Bowerman 1933-5-8 2016 Contra Costa Mount Diablo. Fossil Ridge near crest, on north side by side road 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
  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
  CAS-BOT-BC147410  Rosa californica John Thomas Howell; Gordon H. True 1972-6-29 48930 Contra Costa Byron Hot Springs southeast of Byron Comment
  UC691161  Rosa californica Mary L. Bowerman 1936-9-10 3545 Contra Costa dry streambed Mount Diablo, Donner Canyon 213 Comment
  UC1789171  Rosa eglanteria Barbara Ertter 2001-11-3 17812 Contra Costa Tilden Regional Park, Selby Trail ca. 1/4 miles north of Lake Anza Comment
  CDA23621  Rosa gymnocarpa D. G. Kelch, D. A. Weinstein 2008-4-15 8 .046 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  JEPS45672  Rosa gymnocarpa W. L. Jepson 1924-12-6 10669 Contra Costa Pinehurst San Leandro Creek Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UC691149  Rosa gymnocarpa Mary L. Bowerman 1931-5-23 895 Contra Costa Alamo Canyon Mount Diablo (n-facing bank in canyon bottom) 487 Comment
  UC2028227  Rosa spithamea Barbara Ertter 1998-12-6 16470 Contra Costa Rock City area on southwest side Mount Diablo. Comment
  CAS-BOT-BC147206  Rubus parviflorus Mary L. Bowerman 1933-5-19 2140 Contra Costa Below Morgan Sulphur Spring 335 Comment
  UC691099  Rubus parviflorus Mary L. Bowerman 1933-11-4 2464 Contra Costa Alder Creek Springs Mount Diablo, Alder Creek Springs 487 Comment
  CAS-BOT-BC156577  Rubus ulmifolius Walter Knight; Joanne Dean 1978-8-14 3164 Contra Costa 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
  UC2032842  Rubus ursinus Doran, Andrew Scott 2012-3-20 713 Contra Costa North east side of Brooks Island Comment
  CDA25734  Rumex acetosella D. G. Kelch, D. A. Weinstein 2008-4-15 8 .042 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  JEPS99966  Rumex acetosella G. Smick 2003-5-6 GAS 175 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC421865  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa Mount Diablo. Road above Indian Ceremonial Spring: Roadbank at hairpin turn. Comment
  UC2028271  Rumex acetosella Barbara Ertter 1999-6-12 16706 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  CAS-BOT-BC421736  Rumex conglomeratus Walter Knight 1979-6-15 3379 Contra Costa Botany Cove, Browns Island. 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
  UC1585942  Rumex obtusifolius Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8122 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay); Clifton Court Forebay Comment
  UCR78377  Rumex obtusifolius Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8122 Contra Costa San Joaquin Valley, Clifton Court Forebay, c. 15 air miles southwest of Stockton 0 Comment
  UC1328158  Rumex pulcher Olive Dyer 1936-10-18 100 Contra Costa about 0.5 mi below junction Wildcat Creek and Wildcat-Orinda road; Wildcat Canyon Comment
  UCD101441  Rumex pulcher Rimo Bacigalupi; L. R. Heckard 1965-5-11 9075 Contra Costa On West side of Brooks Island (in San Francisco Bay south-west of Richmond). 6 Comment
  UCD101458  Rumex pulcher G. Thomas Robbins; John Weiler 1959-5-23 4032 Contra Costa About 1/2 mile east of Pt. San Pablo, overlooking San Pablo Bay, Richmond. 7 Comment
  UC1584824  Rumex salicifolius var. crassus Jerry Powell 1987-7-14 1501 Contra Costa Point Molate Beach Comment
  UC692158  Rumex salicifolius var. salicifolius Mary L. Bowerman 1938-6-14 3680 Contra Costa Canyon Nook Mount Diablo 670 Comment
  UC692209  Rumex salicifolius var. salicifolius Mary L. Bowerman 1935-10-26 3346 Contra Costa 2 rd mi e Mount Diablo west entrance; Mount Diablo 228 Comment
  UC1948962  Rumex transitorius William J. Ferlatte, L. Maynard Moe 1970-4-27 1216 Contra Costa San Francisco Bay: Red Rock Island Comment
  JEPS127040  Sagina apetala Lowell Ahart, Josephine Guardino 2016-4-19 20774 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
  SEINET1910270  Salicornia virginica Barbara Ertter, Elizabeth Neese 1988-1 7974 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue. Comment
  UC69376  Salix Wm. W. Mott 1905-3-11 Contra Costa n.e. corner of San Pablo and McAvoy Lane Comment
  CAS-BOT-BC129916  Salix bonplandiana Mary L. Bowerman 1933-5-21 2162 a Contra Costa Sulphur Spring Canyon, streambed immediately below thimbleberry patch in Sulphur Spring fork. Comment
  CAS-BOT-BC103737  Salix exigua Walter Knight; Irja Knight; John Thomas Howell; Elizabeth McClintock 1978-9-5 3218 Contra Costa Browns Island Comment
  POM181455  Salix exigua I. L. Wiggins 1930-4-18 4587 Contra Costa Jersey Island. Comment
  UC650583  Salix exigua var. hindsiana Ira L. Wiggins 1930-4-18 4587 Contra Costa levee banks Jersey Isl. Comment
  UC407388  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa levees, Jersey Isl. Jersey Isl. Comment
  CAS-BOT-BC104084  Salix hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa By Donner Canyon stream 152 Comment
  CAS-BOT-BC104087  Salix hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa By Donner Canyon stream 152 Comment
  CDA15248  Salix laevigata G. F. Hrusa, D. Crowe 1998-5-8 14379 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  JEPS111537  Salix laevigata D. G. Kelch 2005-5-6 05 .221 Contra Costa Franklin Canyon; East of Christie Road. South of Route 4. Comment
  JEPS112249  Salix laevigata A. G. Murdock 283 Contra Costa Refugio Valley 120 Comment
  POM300613  Salix laevigata Mary L. Bowerman 1933-5-10 2067 Contra Costa Spring on ridge below Indian Ceremonial Spring. Mt. Diablo. 976 Comment
  POM300630  Salix laevigata Mary L. Bowerman 1933-5-21 2162 -a Contra Costa Sulphur Spring Canyon. Mt. Diablo. Comment
  UC650582  Salix laevigata Ira L. Wiggins 1930-4-18 4601 Contra Costa levee banks Jersey Island Comment
  JEPS75492  Salix lasiolepis P. F. Yorks 1975-12-17 502 Contra Costa n of Briones Reservoir (ca. 1 km s of Bear Creek Rd. on Hampton Rd.); Hampton Road Natural Reserve 170 Comment
  UC692055  Salix lasiolepis Mary L. Bowerman 1932-8-27 1520 Contra Costa spring s Turtle Rock; Mount Diablo 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
  CAS-BOT-BC129551  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3729 Contra Costa Antioch Comment
  CAS-BOT-BC129597  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa Donner Canyon, west fork: stream-bed, below Twin Peaks - Mount Diablo Comment
  CAS-BOT-BC129555  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa Spring south of Turtle Rock (by a large group of willows) - Mount Diablo Comment
  SEINET12765134  Salsola soda Barbara Ertter 1990-9-30 9659 Contra Costa Northwest side of county, Point Pinole Regional Shoreline on San Pablo Bay, north Richmond; edge of salicornia marsh on N edge of park.; 0 Comment
  RSA0029773  Salsola soda Barbara Ertter 1990-9-30 9659 Contra Costa Point Pinole Regional Shoreline on San Pablo Bay, north Richmond, on N edge of park. Comment
  JEPS79009  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1618 Contra Costa just e. Antioch Comment
  CAS-BOT-BC233288  Salvia mellifera Dr. A. Kellogg; W. G. W. Harford 1868-1-1 757 Contra Costa Diablo Comment
  JEPS49757  Salvia mellifera Rimo Bacigalupi and Alice Howard and Paul Hutchison 1967-3-29 9219 Contra Costa 0.5 mi se head of Bolinger Creek (on w slope of Las Trampas Ridge, in Bolinger Creek drainage); Las Trampas Ridge, Bolinger Creek 390 Comment
  POM203170  Salvia mellifera L. S. Rose 1934-2-28 s.n. Contra Costa 5 mi. NE Danville, S. Slope Mt. Diablo Comment
  UC1124790  Salvia mellifera R. W. Lundh 1933-3-25 221 Contra Costa 1 mi w Alamo; Concord Quad. 213 Comment
  UC63772  Salvia mellifera H. M. Hall 1901-4-4 1751 Contra Costa Mt. Diablo; San Francisco Bay Region 670 Comment
  UCD125592  Salvia mellifera P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UCD36923  Salvia mellifera Beecher Crampton 1956-5-14 3406 Contra Costa Southern boundary of Mount Diablo State Park. Comment
  UC1125344  Sambucus mexicana R. W. Lundh 1932-9-22 165 Contra Costa Mount Diablo Mt. Diablo Quadrangle Comment
  UC139299  Sambucus mexicana Katharine Brandegee 1907-7-4 Contra Costa marshes near Martinez Comment
  CAS-BOT-BC223247  Sanicula bipinnata Alice Eastwood; John Thomas Howell 1936-4-19 s.n. Contra Costa Nortonville Comment
  CDA38533  Sanicula bipinnatifida D. G. Kelch 2005-5-6 5 .227 Contra Costa Carquinez Strait Region; Franklin Canyon. East of Christie Road. South of Route 4. Comment
  JEPS111612  Sanicula bipinnatifida D. G. Kelch 2004-4-3 04 .48 Contra Costa Martinez - Vine HillRidge West of 680. North of highway 4 44 Comment
  RSA0033930  Sanicula crassicaulis Barbara Ertter, Richard K. Brummitt 1998-5-6 16087 Contra Costa Lower Donner Canyon Road on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site. 304 Comment
  UC691873  Sanicula crassicaulis Mary L. Bowerman 1930-6-5 248 Contra Costa Mount Diablo, West Road 5.8 mi from entrance Mount Diablo; , West Road 457 Comment
  UC666653  Sanicula saxatilis John Thomas Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Peak Mount Diablo; , Eagle Peak Comment
  UC691879  Sanicula saxatilis Mary L. Bowerman 1931-4-25 768 Contra Costa Mount Diablo summit, little northwest of house Mount Diablo Comment
  UC2029042  Sanicula tuberosa Barbara Ertter 2000-3-19 16895 Contra Costa Southwest side of Mount Diablo, Secret Trail between Barbecue Terrace Road and Wall Point Road. Comment
  SEINET238194 Image available Sasa borealis Beecher Crampton 1966-10-18 7815 Contra Costa CULTIVATED ; Kensington Berkeley Hills Blake Garden UC Berkeley Dept. of landscape architecture. 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
  UC570944  Saxifraga californica Herbert L. Mason 1926-3-7 2702 Contra Costa Mount Diablo Comment
  UC692475  Saxifraga californica Mary L. Bowerman 1933-4-9 1837 Contra Costa w fork Donner Canyon; Mount Diablo, Donner Canyon 243 Comment
  UC1745553  Scandix pecten-veneris Annetta M. Carter, Florence Dickson, Howard Custer 1939-5-30 1441 Contra Costa 0.8 mi. S of Lafayette. 121 Comment
  UC1949225  Scandix pecten-veneris Barbara Ertter 1991-6-1 10072 Contra Costa Las Trampas Regional Wilderness in hills W of Danville; Rocky Ridge Trail ca 1 mi from parking lot Comment
  CAS-BOT-BC111378  Schoenoplectus acutus var. occidentalis Ira L. Wiggins 1930-4-18 s.n Contra Costa Jersey Island Comment
  UC2070487  Schoenoplectus acutus var. occidentalis Barbara Ertter 2002-11-11 18077 Contra Costa Round Valley Regional Preserve east of Mount Diablo. 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
  UC1950189  Schoenoplectus californicus Barbara Ertter 1990-9-10 9639 Contra Costa Briones Regional Park, Briones Hills S of Martinez, at margin of main Sindicich Lagoon Comment
  UC691975  Scirpus americanus Mary L. Bowerman 1933-4-22 1882 Contra Costa just s of highway Heather Farm (Mount Diablo); , nw end Shell Ridge Comment
  CDA15265  Scirpus californicus G. F. Hrusa, D. Crowe 1998-5-8 14396 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  JEPS111883  Scirpus maritimus A. G. Murdock 2004-6-4 326 Contra Costa Pacheco Marsh near Waterfront Road 1 Comment
  UC971682  Scirpus maritimus Leo Koch 1940-6-5 1004 a Contra Costa near highway saline flat two mi s San Rafael ferry dock; s of San Rafael ferry dock Comment
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Apr 14 2009
  UC2029146  Scirpus maritimus Barbara Ertter with Dan Norris 1999-11-14 16854 Contra Costa Black Diamond Mines Regional Preserve, Sand Creek on east side Stewartville Trail, dominated by dense stand of Scirpus americanus. Comment
  JEPS111898  Scirpus microcarpus D. G. Kelch 2004-7-9 04 .308 Contra Costa Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite. 60 Comment
  JEPS116696  Scribneria bolanderi David Gowen 2006-5-17 579 Contra Costa Mount Diablo; Ridge east and above Donner Canyon. Comment
  UC2032823  Scrophularia californica Doran, Andrew Scott 2012-3-20 693 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. 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
  JEPS62851  Scutellaria tuberosa W. L. Jepson May 23 1891-May 24 1891 14938 Contra Costa Mount Diablo Comment
  JEPS48062  Sedum spathulifolium W. L. Jepson 1918-6-5 7610 Contra Costa summit North Peak (Mt. Diablo); , summit of North Peak 1066 Comment
  JEPS111511  Senecio sylvaticus D. G. Kelch 2005-5-13 05 .274 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 66 Comment
  UC691362  Senecio sylvaticus Mary L. Bowerman 1933-5-25 2180 Contra Costa w end s face Oyster Ridge (Mount Diablo); , , w end of s face, in burned chapa 396 Comment
  POM181456  Senecio vulgaris Ira L. Higgins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island. Comment
  CAS-BOT-BC80262  Sequoia sempervirens H. M. Hall 1902-3-4 2700 Contra Costa San Leandro Creek Comment
  SEINET3876310 Image available Sequoia sempervirens Michael R. Tansey 1963-2-21 12 Contra Costa North end of Jewel Lake, Tilden Regional Park.; 0 152 Comment
  CDA33500  Sesbania punicea Slate 2010-7-6 PDR# 1649539 Contra Costa Alamo; 155 Via Bonita 0 Comment
  CDA38611  Sesbania punicea R. Fonseca 2012-8-14 PDR# 1641171 Contra Costa Pittsburg; Columbia Street near East 11th Street. 0 Comment
  UC2028515  Setaria pumila Barbara Ertter 1996-11-24 15420 Contra Costa West side of Mount Diablo, upstream from Pine Pond along Stage Road in Pine Canyon, floodplain at junction with Dusty Road Comment
  UC1555371  Sidalcea malviflora subsp. laciniata Jerry Powell 1988-4-1 1530 Contra Costa Point Molate Richmond (in w Richmond) Comment
  UC2032814 Image available Sidalcea malviflora subsp. laciniata Doran, Andrew Scott 2012-3-20 684 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  OBI12311  Sidalcea malviflora subsp. laciniata G. Thomas Robbins, John Weiler 1959-5-23 4028 Contra Costa On the W side of Brooks Island, San Francisco Bay, Richmond Comment
  UC1795679  Sidalcea malviflora subsp. malviflora Barbara Ertter, Gary Schoolcraft 1996-4-7 14568 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland on ridge southwest-facing slope. Comment
  UC692409  Silene californica Mary L. Bowerman 1931-5-19 874 Contra Costa e-facing flank of main e branch Donner Canyon (Mount Diablo); , Donner Canyon Comment
  JEPS111788  Silene gallica D. G. Kelch 2005-3-24 05 .57 Contra Costa Point Pinole: Southern Pt. Pinole 3 Comment
  SJSU10109  Silene gallica R. L. Fisher 1958-5-10 Contra Costa Nortonville near Clayton Comment
  UC1948957  Silene gallica William J. Ferlatte, L. Maynard Moe 1970-4-27 1254 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691376  Silybum marianum Mary L. Bowerman 1930-6-3 233 Contra Costa West Road 1.9 mi from entrance Mount Diablo (= North Road); Mount 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
  JEPS111851  Sinapis arvensis A. G. Murdock 2004-2-12 207 Contra Costa Franklin Canyon east of McHarry Ranch Road 100 Comment
  UC2028577  Sinapis arvensis Barbara Ertter, Holly Forbes 1997-4-20 15548 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UCD115408  Sinapis arvensis Morris Halperin 1929-4-21 s.n. Contra Costa Franklin Canon. Comment
  UC691256  Sisymbrium officinale Mary L. Bowerman 1935-5-16 2987 Contra Costa Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park 381 Comment
  CDA23555  Sisymbrium orientale D. G. Kelch 2008-3-3 8 .027 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  CHSC24717  Sisyrinchium bellum G. Strang 1976-4-13 12 Contra Costa Hills directly S.W. of archery range in Briones Park. 182 Comment
  JEPS64283  Sisyrinchium bellum W. L. Jepson 1922-5-23 9670 Contra Costa n slope Mount Diablo Comment
  UC2070662  Sisyrinchium bellum Barbara Ertter 2002-5-16 17861 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CDA39388  Smilacina stellata A. G. Murdock 2004-4-3 246 Contra Costa Vaca Canyon. Comment
  CAS-BOT-BC314195  Solanum californicum M. Boone 1981-4-19 020 Contra Costa Mt. Diablo State Park along roadside ca. 3 miles up on N. Gate Rd. Comment
  CAS-BOT-BC156304  Solanum umbelliferum D. D. Keck 1933-11-2 2619 Contra Costa 1 mi. S.E. of Oakley Comment
  UCD93010  Spartina patens Rolf Mall 1964-11-19 s.n. Contra Costa at head of Suisun Bay between Benecia and Vallejo. Comment
  HSC4243  Spergularia macrotheca Greg Bos 1963-3-9 30 Contra Costa Point Isabel, Richmond 3 Comment
  UCSB61645  Spergularia macrotheca Ertter, Barbara; Jokerst, Jim; Magney, David 1989-4-5 Contra Costa SE Contra Costa CO.; alkali sink W and adjacent to Clifton Court Forebay, ca. 15 air miles SW of Stockton, T1S R3E Sec. 24 SESW, near sea level Comment
  CAS-BOT-BC390239  Spergularia macrotheca var. leucantha Mary L. Bowerman 1933-4-22 1881 Contra Costa Mount Diablo. Shell Ridge east of highway: Heather Farm Comment
  CAS-BOT-BC390279  Spergularia macrotheca var. longistyla Alice Eastwood 1923-4-28 11667 Contra Costa Byron Springs Comment
  UCR265178  Spergularia macrotheca var. macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa San Francisco Bay Region, Point Isabel Regional Shoreline on San Francisco Bay in southwest El Cerrito, bare weedy flat above rocks on west shoreline 5 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
  CHSC116606  Spergularia rubra Lowell Ahart; Josephine Guardino 2016-4-19 20775 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 mile (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
  RSA0098111  Spergularia rubra Mary L. Bowerman 1975-4-19 s.n. Contra Costa Mount Diablo. Mitchell Canyon. 256 Comment
  UC1618133  Spergularia villosa Barbara Ertter 1996-4-7 14575 Contra Costa w of Richmond (Point San Pablo at edge of San Francisco Bay, n end of ridge where crossed by road to harbor); San Francisco Bay, Point San Pablo Comment
  JEPS111061  Spiranthes romanzoffiana Lee Echols 2003-7-20 s.n. Contra Costa Richmond Field Station, west-central portion of Danthonia grassland N of Lark Drive 15 Comment
  UC1948946  Stachys ajugoides var. rigida William J. Ferlatte, L. Maynard Moe 1970-4-27 1224 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691718  Stachys ajugoides var. rigida Mary L. Bowerman 1938-5-28 3637 Contra Costa 4.7 mi from North Gate (North Road, on w-facing bank between road and chaparral); Mount Diablo 457 Comment
  UC691720  Stachys ajugoides var. rigida Mary L. Bowerman 1932-5-6 1430 Contra Costa Mitchell Canyon, at end of road Mount Diablo 251 Comment
  UC903066  Stachys ajugoides var. rigida Ethel Crum 1932-10-16 1471 Contra Costa 3 mi nw San Ramon; San Ramon Valley 143 Comment
  RSA762305  Stachys ajugoides var. rigida William J. Ferlatte, L. M. Moe 1970-4-27 1224 Contra Costa San Francisco Bay, Red Rock Island. Comment
  RSA0027640  Stellaria media subsp. pallida Barbara Ertter, Tony Morosco 1998-4-12 16015 Contra Costa Mount Olympia on north side of Mount Diablo. 884 Comment
  UC2028059  Stellaria pallida Barbara Ertter, Tony Morosco 1998-4-12 16015 Contra Costa Mount Olympia on north side of Mount Diablo. Comment
  UC2028464  Stenotaphrum secundatum Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15669 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait Comment
  JEPS79320  Stephanomeria exigua subsp. coronaria Edward Lee with Annetta Carter 1935-8-17 1627 Contra Costa Antioch Comment
  UC691440  Stephanomeria virgata subsp. pleurocarpa Mary L. Bowerman 1930-8-31 441 Contra Costa s face Black Hills (roadside); Mount Diablo Comment
  UC914273  Stephanomeria virgata subsp. pleurocarpa Verne Grant and Alva Grant 1946-9-29 7878 Contra Costa e of Redwood Peak Comment
  UC2028477  Stipa lepida Barbara Ertter with Richard K. Brummitt 1998-5-6 16104 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  SEINET10603924  Stipa pulchra Alan A. Beetle 1941-3-28 Beetle 1718 Contra Costa Orinda, in sandy soil of open cut. Comment
  UC592149  Streptanthus albidus subsp. peramoenus H. L. Mason 1928-4-26 4389 Contra Costa hillsides Berkeley hills Comment
  CAS-BOT-BC87100  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-5-8 2968 Contra Costa Mount Diablo. West road 2 miles from entrance. 237 Comment
  CAS-BOT-BC87102  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-6-15 3136 Contra Costa Mount Diablo. Eagle Point ridge east of 2632. 762 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
  JEPS81240  Streptanthus hispidus Paul Hutchison 1982-4-25 8007 a Contra Costa s-facing slope below huge rock outcrop at foot of summit trail Mt. Diablo 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
  UC2028416  Stuckenia striata Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson 1991-10-20 10866 Contra Costa Dow Wetlands Preserve, just W of Antioch marina Comment
  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
  CAS-BOT-BC375966  Stylocline gnaphaloides Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC422917  Stylomecon heterophylla Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  UC30066  Stylomecon heterophylla E. R. Drew 1889-4-26 Contra Costa Martinez Comment
  UC692106  Stylomecon heterophylla Mary L. Bowerman 1932-5-6 1410 Contra Costa w bank Mitchell Canyon Mount Diablo; , w bank Mitchell Canyon 182 Comment
  CAS-BOT-BC422906  Stylomecon heterophylla W. W. Carruth 1900-5-1 s.n. Contra Costa Moraga Valley Comment
  LA204633  Symphoricarpos albus J. A. Ewan; 1936-5-3 9500 Contra Costa Wildcat Creek Comment
  JEPS100085  Symphoricarpos albus var. laevigatus A. Langston 2003-7-24 AL 71 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1076414  Symphoricarpos albus var. laevigatus Herbert L. Mason 1924-11-23 1158 Contra Costa Cashion 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
  JEPS125628  Symphyotrichum lentum Daniel Slakey with CNPS Volunteers 2015-9-12 225 Contra Costa Browns Island, northern part of Crooked Slough. Comment
  JEPS87946  Tamarix parviflora Barbara Ertter 1993-4-2 11480 Contra Costa w of Crockett (below Vista Road, abandoned railroad station); Carquinez Regional Park Comment
  UC1819074  Tetragonia tetragonoides Barbara Ertter, Drew Hansen 1995-3-28 13935 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St., south of Wildcat Creek Comment
  CAS-BOT-BC88257  Thysanocarpus curvipes T. S. Brandegee May. 18. s.n. Contra Costa Antioch. Comment
  JEPS54205  Thysanocarpus curvipes W. L. Jepson May 22 1891-May 23 1891 5 h Contra Costa Mt. Diablo Comment
  SEINET3404387 Image available Thysanocarpus curvipes Lewis S. Rose 1923-4-17 33096 Contra Costa Antioch, Spady Flats. Comment
  UC402567  Thysanocarpus curvipes H. P. Chandler 1900-3-23 Contra Costa Fish Ranch Road; Region of Mount Diablo, Fish Ranch Road Comment
  UC691143  Thysanocarpus curvipes Mary L. Bowerman 1933-4-9 1842 Contra Costa w fork Donner Canyon Mount Diablo (by trail, Mount Diablo) Comment
  CAS-BOT-BC88253  Thysanocarpus curvipes John Thomas Howell 1934-4-1 11821 Contra Costa Marsh Creek Road southwest of Brentwood. Comment
  CAS-BOT-BC88255  Thysanocarpus curvipes John Thomas Howell 1934-4-8 11822 Contra Costa Marsh Creek Road southwest of Brentwood. Comment
  SEINET10904232  Thysanocarpus curvipes var. elegans John T. Middleton 1936-4-18 Middleton 141 Contra Costa Briones valley. Comment
  SEINET3166335  Thysanocarpus laciniatus P. J. Alexander, C. D. Bailey 2009-3-30 968 Contra Costa Mount Diablo State Park, 0.3 miles east of the summit of Mt. Diablo on the trail to North Peak, 8.7 miles ESE of central Walnut Creek. 1006 Comment
  UC691135  Thysanocarpus laciniatus Mary L. Bowerman 1931-4-18 713 Contra Costa Sycamore Canyon Mount Diablo (Mount Diablo); , Sycamore Canyon 335 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
  UC692379  Torilis nodosa Mary L. Bowerman 1933-5-21 2149 Contra Costa Grape Spring (off Sulphur Spring Canyon) 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
  UC416593  Trichostema lanceolatum V. King Chestnut 1887-9-18 Contra Costa Mount Diablo Comment
  UC1129956  Trifolium albopurpureum var. albopurpureum C. M. Belshaw 1936-5-8 2056 Contra Costa Mt. Diablo Mt. Diablo Quadrangle 990 Comment
  UC692684  Trifolium albopurpureum var. albopurpureum Mary L. Bowerman 1931-4-4 667 Contra Costa w Turtle Rock Comment
  UC1795831  Trifolium albopurpureum var. albopurpureum Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14588 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  UC137789  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-27 2797 Contra Costa Byron Comment
  UC631264  Trifolium albopurpureum var. olivaceum Mrs. Brandegee May 1907 Contra Costa Antioch Comment
  UC2070467  Trifolium albopurpureum var. olivaceum Barbara Ertter 2000-5-14 17002 Contra Costa Lower Donner Canyon on north side of Mount Diablo, junction of Donner Canyon, Cardinet Oaks and Meridian Ridge Roads. Comment
  RSA184980  Trifolium bifidum L. S. Rose 1966-4-22 66030 Contra Costa Donner Canyon, north slope of Mount Diablo, south of Clayton 213 Comment
  SBBG29986  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa hills E of St Mary's College Comment
  UC485393  Trifolium bifidum var. decipiens J. Burtt Davy 1897-4-17 Contra Costa Point Isabel 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
  UC692242  Trifolium bifidum var. decipiens Mary L. Bowerman 1935-4-19 2872 Contra Costa ca 7 mi w entrance (Northgate) (by rd, ridge w of the power poles, above the rd junction); Mount Diablo 670 Comment
  JEPS111083  Trifolium campestre Lee Echols 2003-4-22 s.n. Contra Costa S. of Lark Drive in E portion of grassland W of EPA building within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  SBBG29985  Trifolium ciliolatum J. T. Howell 1933-5-14 11245 Contra Costa hills E of St Mary's College Comment
  UC146899  Trifolium ciliolatum Katharine Brandegee may 1907 Contra Costa Antioch Comment
  UC555598  Trifolium ciliolatum H. L. Mason 1928-4-26 4383 Contra Costa Berkeley-Oakland HIlls Comment
  UC692252  Trifolium ciliolatum Mary L. Bowerman 1932-5-6 1422 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC692461  Trifolium ciliolatum Mary L. Bowerman 1935-5-1 2931 Contra Costa r mi from entrance (w rd); Mount Diablo Comment
  JEPS65716  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UCSC010986  Trifolium depauperatum var. laciniatum R. Morgan 1996-4-2 2852 Contra Costa NE side of Byron Hwy (07) just N or Byron Hot Springs Rd Comment
  JEPS65731  Trifolium depauperatum var. truncatum W. L. Jepson 1917-4-14 6867 Contra Costa Oakland Hills, near Redwood Peak Comment
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Dec 17 2008
  JEPS68976  Trifolium depauperatum var. truncatum Edward Lee 1935-3-29 1310 Contra Costa e Kirker Pass (Donovan Rd, w of Kirker watershed) Comment
  UC165577  Trifolium depauperatum var. truncatum J. Burtt Davy 1895-1 938 Contra Costa Antioch Comment
  UC555354  Trifolium depauperatum var. truncatum H. L. Mason 1929-4-25 5208 Contra Costa Marsh Creek Rd Comment
  UC631080  Trifolium depauperatum var. truncatum P. B. Kennedy 1928-4-19 10045 Contra Costa Byron Hot Springs Comment
  UC80338  Trifolium depauperatum var. truncatum C. F. Baker 1903-4-27 2863 Contra Costa Byron Comment
  SEINET7325849 Image available Trifolium depauperatum var. truncatum Barbara Ertter, Daniel Norris 2001-4-15 17611 Contra Costa Mount Diablo State Park; N-facing grassland 274 Comment
  CDA4276  Trifolium fragiferum D. G. Kelch, A. G. Murdock 2005-6-24 5 .389 Contra Costa Carquinez Strait Region; Franklin Canyon at McEwen Road. Comment
  UC16537  Trifolium fucatum J. Burtt Davy 1900-3-24 6531 Contra Costa Stege Comment
  UC16545  Trifolium fucatum J. Burtt Davy 1895-4-7 959 Contra Costa Antioch Comment
  UC924217  Trifolium fucatum H. S. Reed 1940-4-30 356 Contra Costa Marsh Creek northeast slopes of Mount Diablo Comment
  SEINET12147993  Trifolium fucatum Unknown 1878-1 s.n. Contra Costa Near Mt. Diablo Comment
  POM300704  Trifolium fucatum var. fucatum Mary L. Bowerman 1935-5-1 2940 Contra Costa West road 2.1 miles from entrance: Open grassy flat just below th road, by a hut. 183 Comment
  RSA90945  Trifolium fucatum var. fucatum F. W. Peirson, Mabel B. Peirson 1926-4-10 6638 Contra Costa Between Walnut Creek and Martinez. Comment
  LA205246  Trifolium gracilentum John Thomas Howell; 1933-5-14 11264 Contra Costa E of St. Mary's College Comment
  UC148551  Trifolium gracilentum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC692691  Trifolium gracilentum Mary L. Bowerman 1932-4-27 1389 Contra Costa w Riggs Canyon (Oyster ridge, s face of canyon); Mount Diablo Comment
  UC2027842  Trifolium gracilentum Barbara Ertter with Dan Norris 2001-4-15 17612 Contra Costa Eest side Mount Diablo, divide NW of pond at base of China Wall formation Comment
  CDA23566  Trifolium hirtum D. G. Kelch, D. A. Weinstein 2008-4-2 08 .032-b Contra Costa Carqinez Strait; E Richmond. Hilltop Rd. Chevy s Hill. Comment
  CHSC116653  Trifolium hirtum Lowell Ahart; Josephine Guardino 2016-4-19 20759 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Field on the west 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
  RSA721591  Trifolium hirtum Mary L. Bowerman 1995-5-21 s.n. Contra Costa Mount Diablo. Wall Pt. fire road perhaps 1/2 mile from South Gate Rd. Comment
  CDA15258  Trifolium hybridum G. F. Hrusa, D. Crowe 1998-5-8 14389 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  JEPS89577  Trifolium microcephalum Dean W. Taylor 1992-4-16 12395 Contra Costa s. Byron Hot Springs (in swale draining on e. margin <of TRS coordinates>); San Joaquin Valley, Clifton Court Forebay 7 1/2 USGS map 45 Comment
  UC692249  Trifolium microcephalum Mary L. Bowerman 1933-4-26 1920 Contra Costa ese North Peak ridge (ridge); Mount Diablo Comment
  UC692643  Trifolium microcephalum Mary L. Bowerman 1935-4-19 2871 Contra Costa ca 7 mi w entrance (Northgate) (by rd, ridge w of the power poles, above the rd junction); Mount Diablo 670 Comment
  JEPS107129  Trifolium microdon Barbara Ertter, Lisa Schultheis 1995-4-27 14008 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  UC1795804  Trifolium microdon Barbara Ertter, Lisa Schultheis 1995-4-27 14008 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  CDA28015  Trifolium oliganthum D. G. Kelch, A. G. Murdock 2005-4-15 5 .15 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  UC631281  Trifolium oliganthum P. B. Kennedy 1925-4-26 Contra Costa above old trail down to Country Club (meadow); Mt. Diablo Comment
  UC2028950  Trifolium repens Barbara Ertter 2000-7-16 17389 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC165499  Trifolium willdenovii J. Burtt Davy 1895-4-13 1001 Contra Costa San Pablo Creek Comment
  UC55884  Trifolium willdenovii H. M. Hall 1901-3-17 1656 Contra Costa Point Richmond Canyon Comment
  UC55885  Trifolium willdenovii H. M. Hall 1901-3-22 1705 Contra Costa Martinez Comment
  UC692649  Trifolium willdenovii Mary L. Bowerman 1931-5-7 813 Contra Costa near saddle (ne slope, Meridian Peak); Mount Diablo 914 Comment
  RSA517735  Trifolium willdenovii Donald G. Nelson 1937-3-30 474 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  UC555573  Trifolium willdenovii H. L. Mason 1929-3-29 5132 Contra Costa 2 mi above Clayton (Marsh Creek Rd) Comment
  JEPS66076  Trifolium wormskioldii W. L. Jepson May 23 1891-May 24 1891 13655 Contra Costa Mt. Diablo Comment
  SEINET3888793  Trillium ovatum Clayton Newberry 1994-3-12 7162 Contra Costa North Coastal Range Forest. Huckleberry Regional Preserve, Skyline Trail.; 0 244 Comment
  CHSC21622  Triphysaria eriantha Willis Ball 1975-3-15 496 Contra Costa Contra Loma Regional Park. In area #10. In flat area 200 yds ne of dam. 36 Comment
  UC1818944  Triphysaria eriantha subsp. eriantha Barbara Ertter, Mary Bowerman et al. 1995-5-7 14042 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
  JEPS23260  Triphysaria pusilla G. Thomas Robbins 1959-4-26 4004 Contra Costa about 1/4 mi n San Pablo Oil Tank Farm (open slope about 1 mi ne of Giant) 15 Comment
  JEPS3980  Triphysaria pusilla W. L. Jepson 1925-4-26 10694 Contra Costa Mt. Diablo Comment
  UC1562647  Triphysaria pusilla Barbara Ertter with John Little 1989-4-2 8105 Contra Costa Hillside Park El Cerrito (El Cerrito, level portions of old road); , Hillside Park Comment
  UCD84950  Triphysaria pusilla Chuck Hughes 2010-3-29 222 Contra Costa About 0.4 mile southeast of Vasco Road. 124 Comment
  UC1861821  Triphysaria pusilla Barbara Ertter, Lisa Schultheis 1995-4-27 14002 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; at end of Arbolado Dr. 121 Comment
  CDA41894  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-5-6 5 .228 Contra Costa Carquinez Strait Region; Franklin Canyon. East of Christie Road. South of Route 4. Comment
  UC53698  Trisetum canescens J. Burtt Davy 1900-3-24 6520 Contra Costa Pt. Richmond Comment
  UC2070608  Trisetum canescens Barbara Ertter with Debra Trock 2005-6-25 18609 Contra Costa North end Redwood Regional Park, Stream Trail along Redwood Creek. Comment
  HSC3044  Triteleia hyacinthina J. Wendell Howe 1930-5-23 114 Contra Costa Moraga Valley Comment
  UC2027806  Triteleia hyacinthina Barbara Ertter with Holly Forbes 1997-4-20 15543 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  CAS-BOT-BC67356  Tropidocarpum capparideum Alice Eastwood 1914-3-14 3824 Contra Costa Byron Springs. Comment
  UCR81450  Tropidocarpum capparideum Edward L. Greene 1888-3-25 s.n. Contra Costa Byron Springs 107 Comment
  CAS-BOT-BC67404  Tropidocarpum gracile Alice Eastwood 1921-4-18 10295 Contra Costa Antioch. Comment
  UC691062  Tropidocarpum gracile Mary L. Bowerman 1932-2-28 1092 Contra Costa ridge e Rhine Canyon; Mount Diablo 579 Comment
  UC691063  Tropidocarpum gracile Mary L. Bowerman 1933-3-18 1750 Contra Costa floor of canyon above Olafson's; Mount Diablo, Curry Canyon Comment
  UC857586  Tropidocarpum gracile Lewis S. Rose 1940-4-30 40249 A Contra Costa 5 mi e Clayton (fields); Marsh Creek 60 Comment
  CAS-BOT-BC67409  Tropidocarpum gracile Charles Piper Smith 1922-4-15 3493 Contra Costa Antioch - S.P. depot - 0.5 mile east. 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
  JEPS121002  Typha angustifolia D. G. Kelch 2003-8-13 03 .105 Contra Costa Martinez Marsh Comment
  SFV8563  Typha angustifolia R. C. Martin 1968-5-18 24 Contra Costa San Pablo Bay, 3 miles south of Pinole Point. In marsh. Comment
  UC692073  Typha domingensis Mary L. Bowerman 1938-6-14 3677 Contra Costa Mineral Spring Mount Diablo (along streamlet); , Mineral Spring 350 Comment
  UC692072  Typha latifolia Mary L. Bowerman 1938-6-14 3677 Contra Costa Mineral Spring Mount Diablo (along streamlet); , Mineral Spring 350 Comment
  UC1126330  Umbellularia californica R. W. Lundh 1933-3-1 203 Contra Costa Eastport 243 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
  UC854889  Umbellularia californica Alice Eastwood 1922-3-17 11086 Contra Costa Mount Diablo Comment
  SEINET12093234  Umbellularia californica Unknown 1983-1 4965 Contra Costa Castro Ranch Road between Hillside St. and Alhambra Valley Road. Plant survey for Douglas Carter Comment
  CAS-BOT-BC381828  Uropappus lindleyi Mary L. Bowerman 1935-4-17 2831 Contra Costa Mount Diablo. West road 2 miles from entrance 237 Comment
  JEPS111760  Uropappus lindleyi D. G. Kelch 2005-5-13 05 .258 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  SEINET3150246  Uropappus lindleyi T. S. Brandegee sn Contra Costa Antioch Comment
  UC691782  Uropappus lindleyi Mary L. Bowerman 1933-5-18 2137 Contra Costa Mount Diablo Comment
  UC691783  Uropappus lindleyi Mary L. Bowerman 1957-5-2 1957 Contra Costa Pioneer Camp Mount Diablo 762 Comment
  RSA0029769  Urospermum picroides Barbara Ertter 1990-6-18 9133 Contra Costa Tilden Regional Park, along Nimitz hiking/bicycle trail near Inspiration Point. Comment
  JEPS111920  Urtica dioica subsp. holosericea Dean G. Kelch and Andrew G. Murdock 2004-5-7 DGK 04 .197 Contra Costa Canada del Cierbo. Comment
  RSA446066  Urtica dioica subsp. holosericea M. B. Dunkle 1931-7-18 2504 Contra Costa Strawberry Canyon, Berkeley 152 Comment
  CDA34470  Urtica urens D. G. Kelch 2006-2-25 6 .084 Contra Costa Carquinez Strait; Crockett. Edwards Canyon. 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
  CAS-BOT-BC199243  Vaccinium ovatum H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  SBBG5572  Vaccinium ovatum J. M. Tucker 1946-3-14 1376 Contra Costa 150 yards S of summit of Redwood Peak Comment
  UC454110  Verbena hastata I. J. Condit 1908-8-20 Contra Costa Oakley Comment
  JEPS18890  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with G. Thomas Robbins 1956-3-26 5524 Contra Costa 1.2 mi n of junction with Marsh Creek Road ( just n of Briones Valley, along the Deer Valley Road, in territory just s of Antioch,); Deer Valley Road 76 Comment
  UC407386  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron Comment
  RSA600829  Vicia americana Joseph A. Ewan 1934-4-8 8750 Contra Costa Mt. Diablo: South Fork Marsh Creek. Comment
  UC2070474  Vicia americana Barbara Ertter 2003-3-28 18137 Contra Costa Round Valley Regional Preserve, mid Hardy Canyon along High Creek. Comment