Search Results — 2000 specimen records retrieved (1357 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1187354  Abies bracteata Rimo Bacigalupi 1960-4-4 7360 Contra Costa w slopes of upper Wildcat Canyon ((on short side of road toi corporation yard)); Tilean Regional Park, Berkeley Hills 297 Comment
Read comments
1
  UC1211990  Abutilon theophrasti R. P. and Perry Allen 1961-8-11 Contra Costa 4 mi e Byron Comment
  UC1719700  Acacia baileyana Barbara Ertter 1997-1-5 15430 Contra Costa Ygnacio Valley Road across Lime Ridge, S-facing roadcut Comment
  UC2042783  Acacia dealbata Barbara Ertter with John Little 1989-4-2 8102 Contra Costa Hillside Park in El Cerrito. Comment
  CAS-BOT-BC331612  Acer macrophyllum Paul F. Covel 1940-4-21 s.n. Contra Costa Las Trampas Canyon Comment
  CAS-BOT-BC331617  Acer macrophyllum Ynes Mexia 1929-4-21 2383 Contra Costa Moraga Valley Comment
  SD45088  Acer macrophyllum W. Jones 1927-6-2 Contra Costa Crockett Comment
Read comments
Jul 11 2010
  UC588153  Acer negundo var. interior Annetta Carter 1937-3-28 1227 Contra Costa 2 1/2 mi n Moraga (Moraga Valley); , Creek bank, n of Moraga 182 Comment
  SEINET10614426  Achillea millefolium John T. Middleton 1936-4-18 Middleton 142 Contra Costa Comment
  SEINET242919 Image available Achnatherum diegoense Mary E. Barkworth, Surrey W. L. Jacobs; Betty Jacob 2003-4-7 2003 /7 Contra Costa Tilden Reigonal Park, east of Berkeley Comment
  UC691545  Achyrachaena mollis Mary L. Bowerman 1931-4-4 651 Contra Costa not more than 4.5 mi on West (= North) road Mount Diablo (entrance); Mount Diablo Comment
  CAS-BOT-BC29883  Achyrachaena mollis Alice Eastwood 1914-1-1 s.n. Contra Costa unspecified Comment
  UC1543174  Achyrachaena mollis Donald G. Nelson 1937-4-18 501 Contra Costa towards Tracy on Marsh Creek Road Byron Comment
  UC29290  Achyrachaena mollis J. Burtt Davy May 13 1893-Jan 1 1900 766 Contra Costa Comment
  JEPS112327  Acmispon americanus Dean G. Kelch and Andrew G. Murdock 2004-7-16 04 .321 Contra Costa Martinez- South; County: Contra Costa; Pine St. Entrance Rte 4 heading west. Martinez, CA. Comment
  JEPS111513  Acmispon glaber Dean G. Kelch and Andrew G. Murdock 2005-5-13 05 .276 Contra Costa Martinez - West: Ozol Rock and Scenic Drive. Comment
  UCD104120  Acmispon glaber P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo Summit. Comment
  UCD104153  Acmispon glaber W. A. Williams 1951-6-8 s.n. Contra Costa Mt. Diablo. Comment
  JEPS112409  Acmispon wrangelianus Dean G. Kelch and Andrew G. Murdock 2005-4-15 05 .152b Contra Costa Rodeo Creek; county: Contra Costa; EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  UCD104492  Acmispon wrangelianus Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's -- College Campus. 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
  CAS-BOT-BC133154  Adenostoma fasciculatum Mrs. Brandegee s.n. Contra Costa Antioch Comment
  CDA42503  Adiantum jordanii A. G. Murdock 2004-2-12 206 Contra Costa Franklin Canyon - McHarry Ranch Road. Comment
  CAS-BOT-BC202596  Aesculus californica Volney Rattan 1887-5-27 s.n. Contra Costa Alhambra Val. Comment
  UC29388  Agoseris grandiflora var. grandiflora Jos. Burtt Davy 1901-4-21 7044 Contra Costa Wildcat Canon Wildcat Canon Comment
  CAS-BOT-BC15427  Agoseris grandiflora var. grandiflora L. R. Abrams 1921-5-25 8042 Contra Costa Mt. Diablo at spring 4.5 from summit Comment
  RSA8523  Agoseris heterophylla J. T. Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's college Comment
  UC29357  Agoseris heterophylla var. heterophylla H. M. Hall 1901-4-5 1726 Contra Costa Mt. Diablo; San Francisco Bay region Comment
  POM300723  Agrostis Mary L. Bowerman 1933-8-26 2413 Contra Costa Mount Diablo. At and below Lower Canyon Spring. 976 Comment
  CDA15254  Agrostis avenacea G. F. Hrusa, D. Crowe 1998-5-8 14385 Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CAS-BOT-BC127338  Agrostis exarata Walter Knight; et al 1978-9-5 3206 Contra Costa Browns Island. Sandy Knoll. Comment
  UC2013050  Agrostis hallii Barbara Ertter with Lisa Schultheis 1996-9-2 15278 Contra Costa South Side Mount Diablo Blackhawk Road east of Sycamore Creek Road. Comment
  JEPS99592  Agrostis viridis Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond, South side. Comment
  UC50548  Agrostis viridis Jos. Burtt Davy 1897-9-4 4082 Contra Costa Stege Comment
  JEPS100153  Ailanthus altissima A. Langston 2003-8-26 AL 81 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA720795  Aira caryophyllea var. cupaniana Mary L. Bowerman 1995-5-28 s.n. Contra Costa Mount Diablo. Knoll, N. of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire rd. 305 Comment
  UC692094  Alisma plantago-aquatica Mary L. Bowerman 1933-9-9 2429 Contra Costa Frog Pond Mount Diablo Comment
  UCD32425  Alisma triviale Beecher Crampton 1950-6-10 589 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. 15 Comment
  CAS-BOT-BC175356  Allenrolfea occidentalis C. Hart Merriam 1906-9-13 s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  UC767482  Allium crispum R. F. Hoover 1939-3-29 3944 Contra Costa Kircker Pass Comment
Read comments
Feb 8 2013
  JEPS112495  Allium neapolitanum D. G. Kelch 2005-3-24 05 .55 Contra Costa Southern Pt. Pinole 3 Comment
  JEPS112708  Allium serra Dean W. Taylor 1994-3-30 14115 Contra Costa Mt. Diablo (in Mt. Diablo State Park); 2 mi S along North Gate Road from the North Gate kiosk, 426 Comment
  JEPS47586  Allium serra W. L. Jepson 1943-5-27 20841 Contra Costa n side of Black Hills Mt. Diablo, Black Hills Comment
  JEPS56390  Allium serra W. L. Jepson 1918-6-3 7581 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 609 Comment
  UC72519  Allium serra Harley P. Chandler 1901-3-22 852 Contra Costa Martinez Comment
  CAS-BOT-BC476606  Allium unifolium Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  RSA172743  Allophyllum gilioides Mary L. Bowerman 1935-4-26 2904 Contra Costa West of Indian Ceremonial Spring, three miles by road above junction. 1021 Comment
  POM166519  Alnus rhombifolia W. C. Blasdale 1896-2-29 3690 Contra Costa Clayton. Comment
  RSA21881  Alnus rhombifolia L. S. Rose 1938-10-28 38307 Contra Costa Marsh Creek, 6 miles E of Clayton. 152 Comment
  UC692034  Alnus rhombifolia Mary L. Bowerman 1931-10-13 1058 Contra Costa Alamo Canyon Mount Diablo 259 Comment
  RSA181895  Alopecurus myosuroides George Murray 1964-5-24 s.n Contra Costa Near San Pablo Dam Comment
  UC37122  Alopecurus saccatus W. H. Brewer 1862-5-1 1042 Contra Costa Walnut Creek Comment
  UC691931  Amaranthus retroflexus Mary L. Bowerman 1936-9-9 3539 Contra Costa just below Blackhawk Ranch; Mount Diablo, Sycamore Canyon Comment
  UC2028561  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
  OBI17106  Ambrosia chamissonis G. Thomas Robbins, John Weiler 1959-5-23 4021 Contra Costa On breakwater (partly natural, partly manmade) portion of Brooks Island 9its NW extension), San Francisco Bay, Richmond Comment
  SEINET11910975  Amelanchier alnifolia W. Knight, Knight, I. 1983-1 4741 Contra Costa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC222222  Amsinckia John Thomas Howell 1934-4-8 11813 Contra Costa 7 miles from Clayton on road to Livermore Comment
  CAS-BOT-BC222227  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2131 Contra Costa Nortonville Comment
  CAS-BOT-BC222233  Amsinckia John Thomas Howell 1933-3-29 10908 Contra Costa Nortonville hills Comment
  UC1094074  Amsinckia eastwoodiae Francia Chisaki 1952-3-13 201 Contra Costa 0.25 mi s of Hwy 50 on Mountain House Road Comment
  JEPS24884  Amsinckia grandiflora T. S. Brandegee May, 1887 Contra Costa Judsonville (in the Hills south of Antioch) Comment
  SEINET11792519  Amsinckia grandiflora P. Del Monte 1976-1 Contra Costa Comment
  UC1073377  Amsinckia intermedia George B. Rossbach 1955-3-20 457 Contra Costa sw base of Mount Diablo Comment
  UCR265177  Amsinckia intermedia Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8130 Contra Costa San Joaquin Valley, Clifton Court Forebay, c. 15 air miles southwest of Stockton 0 Comment
  RSA0068499  Amsinckia intermedia Katie Gallagher, Nick Jensen 2014-4-26 175 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  RSA31867  Amsinckia intermedia A. A. Heller 1938-4-9 15014 Contra Costa In an orchard near Walnut Creek. Comment
  SEINET12519155  Amsinckia intermedia Richard R. Halse 1988-1 3541 Contra Costa Along State Hwy. 4 near its junction with Balfour Road on the south edge of Brentwood 5 Comment
  CAS-BOT-BC26848  Amsinckia linearifolia Alice Eastwood 1914-3-14 3812 Contra Costa Byron Springs Comment
  CAS-BOT-BC222458  Amsinckia lunaris R. F. Hoover 1939-4-24 4058 Contra Costa Lower end of San Pablo Reservoir Comment
  SD6735  Amsinckia lunaris Edward L. Greene 1887-4-16 Contra Costa Comment
  JEPS25354  Amsinckia lycopsoides Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6964 Contra Costa 1.9 mi w Byron (at road summit along Camino Diablo) 54 Comment
  SD71397  Amsinckia menziesii John Thomas Howell 1933-5-14 11224 A Contra Costa St. Mary's College Comment
  CDA15263  Anagallis arvensis G. F. Hrusa, D. Crowe 1998-5-8 14394 Contra Costa Sacramento Delta; at E end of Dow Chemical property in Pittsburg. Comment
  JEPS43119  Anagallis arvensis W. L. Jepson 1923-4-22 9865 Contra Costa Mt. Diablo Comment
  UC635714  Anagallis arvensis A. E. Borell 1928-3-18 26 Contra Costa w. slope Mt. Diablo Comment
  UCD146714  Anagallis arvensis G. F. Hrusa; D. Crowe 1998-5-8 14394 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property at Pittsburg. 15 Comment
  UCD164884  Anagallis arvensis Henry House 1995-5-16 1995- 11 Contra Costa About 100 m west of Walnut Blvd., ca. 1.25 km south of Marsh Creek Rd. 33 Comment
  UC35144  Androsace elongata subsp. acuta W. C. Blasdale 1896-2-28 Contra Costa w Clayton (Clayton) Comment
  JEPS12260  Anemopsis californica W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo Comment
  CAS-BOT-BC400260  Anemopsis californica W. W. Carruth 1903-5-11 s.n. Contra Costa Nr. Walnut Creek Comment
  JEPS84507  Anisocarpus madioides Jack Stratford 1981-5-18 Contra Costa Huckleberry Trail Huckleberry Botanic Regional Preserve Comment
  JEPS99545  Anthriscus caucalis Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, probably Back Canyon or foot trail to Donner Canyon. Comment
  UC691615  Antirrhinum kelloggii Mary L. Bowerman 1933-4-26 1919 Contra Costa ese of North Peak (North Peak ridge, s-face); Mount Diablo 609 Comment
  CDA5335  Apium graveolens D. G. Kelch, A. G. Murdock 2004-7-9 4 .305 Contra Costa Carquinez Strait Region.; Martinez. Alhambra Creek near Strait. 0 Comment
  SEINET13943445 Image available Apium graveolens Joseph Andorfer Ewan 1936-1 9714 Contra Costa Wildcat Creek 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
  CDA39735  Apocynum cannabinum D. G. Kelch 2004-7-9 4 .306 Contra Costa Carquinez Strait; Alhambra Creek, Martinez, near Muir gravesite, Arroyo del Hambre. Comment
  JEPS60396  Aquilegia formosa V. E. Ferguson Contra Costa Donner Canyon Mt. Diablo Comment
  UC692088  Aquilegia formosa Mary L. Bowerman 1935-5-18 3021 Contra Costa across the rd and a little east from the parking area Mount Diablo 1066 Comment
  CAS-BOT-BC17272  Arabis blepharophylla Paul F. Covel 1938-5-8 1514 Contra Costa Summit Mount Diablo. Comment
  SBBG50848  Arbutus menziesii A. Hartman 1960-4-19 9 D Contra Costa North Gate Rd, Mt Diablo St Park 609 Comment
  JEPS40121  Arceuthobium campylopodum Miss Ferguson 1920-1-1 Contra Costa Donner Canyon Mt. Diablo Comment
  UC692042  Arceuthobium campylopodum Mary L. Bowerman 1930-6-22 373 Contra Costa above main canyon (Mitchell Canyon Trail); Mount Diablo Comment
  UC465859  Arceuthobium campylopodum E. W. Hicks 1917-3-25 110 Contra Costa canyon, n slope Mt. Diablo Comment
  CAS-BOT-BC410129  Arceuthobium occidentale Howard E. McMinn 1922-6-2 93 Contra Costa N slope of Mt. Diablo Comment
  CAS-BOT-BC410130  Arceuthobium occidentale J Kuijt 1958-1-22 s.n. Contra Costa Mt. Diablo Comment
  UC1509579  Arctostaphylos Stephen W. Edwards 1984-2-20 SW- 84 -1 Contra Costa w flank of ridge e Olinda Drive (nw of intersection of San Pablo Dam Rd and Castro Ranch Rd) Comment
  SEINET11989149  Arctostaphylos andersonii var. auriculata B. A. Stein 1981-1 460 Contra Costa Mt. Diablo State Park, Rock City Campground 457 Comment
  CAS-BOT-BC24109  Arctostaphylos auriculata Alice Eastwood; John Thomas Howell 1936-4-19 2130 Contra Costa Nortonville Comment
  CAS-BOT-BC24110  Arctostaphylos auriculata 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 (Blue K Hills) 457 Comment
  CAS-BOT-BC24113  Arctostaphylos auriculata Brandegee 1889-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC24120  Arctostaphylos auriculata Alice Eastwood 1922-3-17 11083 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC24123  Arctostaphylos auriculata Brandegee 1889-1-1 s.n. Contra Costa Antioch Comment
  JEPS38914  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2751 Contra Costa w face Lime Ridge (between two cuts of the Cowell Cement Company); Mount Diablo Comment
  JEPS38915  Arctostaphylos auriculata Mary L. Bowerman 1932-2-13 1086 Contra Costa on ridge between main forks of canyon Mount Diablo; , Alamo Canyon Comment
  POM203167  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa 8 miles NE Danville, S slope of Mt. Diablo. Comment
  SBBG28871  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa S slope of Mt Diablo, 8 mi NE of Danville Comment
  UC549566  Arctostaphylos auriculata J. E. Adams 1934-3-19 673 Contra Costa Mt. Diablo Comment
  UC549568  Arctostaphylos auriculata J. E. Adams 1934-3-19 672 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC23551  Arctostaphylos crustacea Walter Knight; Irja Knight 1980-3-16 3715 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  CAS-BOT-BC23558  Arctostaphylos crustacea C. Hart Merriam 1919-11-2 s.n. Contra Costa Hill above Moraga Valley Comment
  SEINET11989683  Arctostaphylos crustacea Unknown 1982-1 20829 Contra Costa on Rocky Ridge, about half way down from summit ridge (on 2nd-middle-shelf on ridges), Las Trampas 183 Comment
  SEINET11989690  Arctostaphylos crustacea N. Havlik, Knight, W. 1982-1 4549 Contra Costa Briones Regional Park adjacent to Russell Tree Farm 328 Comment
  JEPS46405  Arctostaphylos glandulosa W. L. Jepson 1919-1-25 9209 Contra Costa Moraga Ridge Comment
  JEPS38918  Arctostaphylos glandulosa subsp. glandulosa Mary L. Bowerman 1932-3-20 1123 Contra Costa ne fork of canyon Mount Diablo, Sycamore Canyon (toward top of middle ridge) Comment
  SBBG114891  Arctostaphylos glandulosa subsp. glandulosa C. Bornstein 1999-3-20 Contra Costa Sobrante Ridge Regional Preserve 243 Comment
Read comments
Dec 27 2008
  SBBG5419  Arctostaphylos glandulosa subsp. mollis J. M. Tucker 1941-9-26 409 Contra Costa summit of Moraga Ridge 500 Comment
Read comments
Sep 13 2011
  JEPS38723  Arctostaphylos glauca W. L. Jepson 1916-11-12 6854 Contra Costa Mitchell Canyon Mt. Diablo Comment
  JEPS38729  Arctostaphylos glauca W. L. Jepson 1916-10-22 6853 Contra Costa Las Trampas Ridge Comment
  UCD51123  Arctostaphylos glauca R. W. Lundh 1932-8-28 152 Contra Costa Eagle Point. 725 Comment
  UC2028040  Arctostaphylos glauca Barbara Ertter 1998-3-7 15929 Contra Costa Southwest side of Mount Diablo, west-most knoll on Fossil Ridge, at end of fire road. Comment
  RSA632827  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27590 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  UCSB22281  Arctostaphylos manzanita McMinn, H. 1936-4-11 Contra Costa Mt. Diablo; head of Sycamore Canyon Comment
  JEPS19876  Arctostaphylos manzanita subsp. laevigata W. L. Jepson 1922-5-23 9660 Contra Costa canyon on s side Mt. Diablo Comment
  JEPS98841  Arctostaphylos manzanita subsp. laevigata Richard Hildreth and Roy Brewer 1964-10-7 Contra Costa Rock City, head of Dan Cook Canyon, W of nature trail Mount Diablo Comment
  RSA122397  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-3-13 132 Contra Costa 1.5 mi W of Cave Pt. 563 Comment
  UC549604  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-10-6 675 Contra Costa Mt. Diablo Comment
  UC692221  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 540 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UCD51724  Arctostaphylos manzanita subsp. laevigata R. W. Lundh 1932-8-17 130 Contra Costa 1 mile East of Round Valley. 518 Comment
  UC2029140  Arctostaphylos manzanita subsp. laevigata Barbara Ertter with Alan Prather 2003-6-7 18197 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, oak scrub along Valley View Trail in NE corner of park. Comment
  CAS-BOT-BC24383  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-9-5 1545 Contra Costa Mount Diablo. On meridian, which heads into Sycamore canyon: crest of ridge. Comment
  CAS-BOT-BC24397  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-3-6 876 Contra Costa Sycamore Canon. Comment
  POM300729  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-1-23 1076 Contra Costa Sycamore Canyon, east fork: East edge of chaparral near canyon bottom. Comment
  CAS-BOT-BC42235  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  LA42215  Arctostaphylos pallida J. A. Ewan; 1934-1-7 8162 Contra Costa Head of San Leandro Creek above Oakland Comment
  UC1142931  Arctostaphylos pallida Beryl O. Schreiber 1938-9-18 2548 Contra Costa 0.5 mi ssw Round Top 335 Comment
  UC723808  Arctostaphylos pallida Joseph Andorfer Ewan 1934-1-7 8162 Contra Costa above Oakland (head of creek, along ridge); San Leandro Creek 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
  JEPS19849  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1916-8-20 6847 Contra Costa Moraga Ridge Oakland Hills Comment
  POM131600  Arctostaphylos tomentosa subsp. crustacea Jos Burtt Davy 1897-1 10651 Contra Costa Moraga Valley. Comment
  UC1120139  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1587 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC1120189  Arctostaphylos tomentosa subsp. crustacea R. W. Lundh 1932-8-27 151 Contra Costa 1 1/2 mi w Cave Point; Mount Diablo Quadrangle 502 Comment
  UC1332418  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1702 Contra Costa sw slope on w end of ridge Concord Quadrangle, Las Tampas Ridge 426 Comment
  RSA0029783  Arctostaphylos tomentosa subsp. crustacea Barbara Ertter, L. Vorobik 2000-1-9 16889 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  CDA24528  Argemone munita subsp. rotundata Morgan 1958-5-16 Contra Costa Morgan Territorial Road, Clayton. 0 Comment
  JEPS100124  Aristolochia californica G. Smick 2003-2-27 GAS 55 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1326234  Aristolochia californica Theodore F. Niehaus 1965-1-17 311 Contra Costa along Hampton Rd. 1 mi. s. from junction with Garcia Ranch Rd. Comment
  UC691351  Arnica discoidea Mary L. Bowerman 1931-5-16 849 Contra Costa summit Meridian Peak; Mount Diablo Comment
  UC29607  Arnica discoidea Brewer 1862-1 1302 Contra Costa Comment
Read comments
Jan 20 2011
  JEPS111670  Artemisia californica D. G. Kelch 2003-3-21 03 .48 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC1119320  Artemisia californica H. A. Jensen 1934-8-19 382 Contra Costa 1 mi nw North Peak; Mt. Diablo Quadrangle Comment
  UC2042495  Artemisia californica Barbara Keller and J. Ruck 2011-6-23 Contra Costa Mt. Diablo State Park, North Gate Rd. Comment
  UCD38888  Artemisia californica Beecher Crampton 1959-10-19 5466 Contra Costa Mt. Diablo State Park. Comment
  JEPS111683  Artemisia douglasiana D. G. Kelch 2003-8-13 03 .139 Contra Costa Pinole Creek 68 Comment
  UC1584664  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584665  Artemisia douglasiana Jerry Powell 1990-8-29 1592 Contra Costa Antioch National Wildlife Refuge Comment
  UC1584697  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  SFV8432  Asarum caudatum A. Smith 1972-5-21 39 Contra Costa Roadside in Flicka Ridge area. Canyon. 91 Comment
  UC691842  Asclepias californica Mary L. Bowerman 1931-5-21 877 Contra Costa Curry Canyon at Cave Point junction Mount Diablo 304 Comment
  JEPS100126  Asclepias cordifolia G. Smick 2003-4-1 GAS 88 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET207365  Asclepias cordifolia Rimo Bacigalupi, G. Thomas Robbins 1956-5-11 5642 Contra Costa Franklin Canyon, 1/4 mile above (and northwest of) Glen Frazer Station on the Santa Fe Railway. 107 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
  RSA720887  Asphodelus fistulosus Barbara Ertter, Tony Morosco 2000-4-12 16959 Contra Costa Vasco Road 0.4 miles north of Tesla Road southeast of Livermore Comment
  CAS-BOT-BC478053  Asteraceae James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC180529  Astragalus asymmetricus Katharine Brandegee 1908-1-1 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC180571  Astragalus asymmetricus Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  POM19312  Astragalus asymmetricus Katherine Brandegee 1908-1 s.n. Contra Costa Near Antioch Comment
  JEPS116733  Astragalus asymmetricus David Gowen 2006-3-27 536 Contra Costa Southwest of Byron airport. Comment
  CAS-BOT-BC178473  Astragalus gambelianus Lincoln Constance; Carl W. Sharsmith; Howard S. Reed 1940-4-27 2572 Contra Costa Pine Canyon, base of Mount Diablo 304 Comment
  JEPS112423  Astragalus gambelianus Dean G. Kelch and Andrew G. Murdock 2005-4-2 05 .107 Contra Costa Alhambra Valley; county: Contra Costa; EBMUD land. North of intersection of Alhambra Valley Road and Castro Ranch Road. Comment
  SEINET10936877  Astragalus gambelianus John G. Lemmon 1872-1 Lemmon s.n. Contra Costa Mt. Diablo. Comment
  SEINET10486680  Astragalus nigrescens Lincoln Constance, Carl W. Sharsmith 1940-4-27 Constance 2572 Contra Costa Petals purplish; fruit obcompressed. Loose serpentine soil, open s slope, pine Canyon, base of mt diablo. 305 Comment
  UC1199091  Astragalus tener var. tener J. P. Tracy 1900-3-24 611 Contra Costa Low ground near Stege. (region about San Francisco Bay); , near Stege. 3 Comment
  CAS-BOT-BC17457  Athysanus pusillus John Thomas Howell 1931-3-10 5754 Contra Costa East side of Mount Diablo 7 miles from Clayton on Livermore Road. Comment
  UC1607661  Athysanus pusillus Barbara Ertter with Michelle Seidl 1992-3-14 10920 Contra Costa e of Mount Diablo (Morgan Territory Regional Preserve); Morgan Territory Regional Preserve Comment
  UC673344  Athysanus pusillus H. L. Mason 1929-3-29 5117 Contra Costa Mount Diablo 1066 Comment
  UC691076  Athysanus pusillus Mary L. Bowerman 1931-2-28 525 Contra Costa Fossil Ridge near Rock City (Mount Diablo); , Fossil Ridge 518 Comment
  SEINET6069536  Athysanus pusillus Unknown 1931-3-10 5754 Contra Costa Mt. Diablo. East side. 7 miles from Clayton on Livermore Road. Comment
  UCD97866  Atriplex Robert E. Preston; Eva Buxton 1994-8-4 676 Contra Costa east end of Briones Valley, west of Marsh Creek Reservoir. 60 Comment
  RSA454002  Atriplex coronata E. E. Stanford 1930-08 1869 Contra Costa near Old River. Comment
  RSA603503  Atriplex coronata Carol W. Witham 1994-8-6 587 Contra Costa along Kellogg Creek Road under transmission towers 3 Comment
  CDA23264  Atriplex fruticulosa T. Sawyer 1965-3-23 Contra Costa Armstrong Road. 0 Comment
  RSA244713  Atriplex fruticulosa J. T. Howell, G. True 1972-6-29 48917 Contra Costa On Byron Hot Springs Road SE of Byron. Comment
  SEINET4133821  Atriplex fruticulosa Howard C. Stutz, G. L. Chu 1991-4-12 95463 Contra Costa 2 mi. S of Byron, E side of road in 'native' pasture.; 0 Comment
  JEPS87970  Atriplex prostrata Barbara Ertter with Elizabeth Neese 1988-10-15 7979 Contra Costa in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh) Comment
  UC2042800  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetlands Preserve just W of Antioch marina. Comment
  JEPS78625  Atriplex prostrata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3280 Contra Costa Browns Island , Browns Island (Botany Cove) Comment
  UC2027887  Atriplex prostrata Barbara Ertter with Chris Thayer 1996-10-25 15361 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park. Comment
  NY324276  Atriplex spicata W. H. Brewer 1862-5-31 1190 Contra Costa Joaquin Valley Comment
  UCD56220  Avena barbata A. A. Beetle 1942-3-22 2929 Contra Costa Brooks Island in San Francisco Bay. Comment
  CAS-BOT-BC146024  Avena barbata John Thomas Howell 1983-5-12 54745 Contra Costa Mount Diablo. Juniper Camp. 914 Comment
  CDA1747  Avena fatua G. D. Barbe 1983-5-22 4081 Contra Costa Mount Diablo State Park, along fire road north of Juniper Campground. Comment
  CDA20386  Avena fatua P. Akers 2002-5-11 s.n.- 3 d Contra Costa Northern California; Mt Diablo Rd. 205 Comment
  RSA385404  Avena fatua H. de Forest 1930-7-5 s.n. Contra Costa Roadside near Moraga. Comment
  UC1103340  Avena fatua J. P. Tracy 1900-3-24 631 Contra Costa fields near Stege; Region about San Francisco Bay 3 Comment
  UC1948935  Avena fatua William J. Ferlatte, L. Maynard Moe 1970-4-27 1225 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC606755  Avena fatua Edward Lee 1936-4-19 1996 Contra Costa Red Rock San Francisco Bay (island summit) Comment
  SEINET5607235 Image available Avena fatua Rachel Van Noord 1998-1 12 Contra Costa Dinosaur Hill Park, Pleasant Hill Comment
  UC2027750  Azolla filiculoides Barbara Ertter 1996-11-24 15423 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  UC1948938  Baccharis pilularis William J. Ferlatte, L. Maynard Moe 1970-4-27 1239 Contra Costa San Francisco Bay: Red Rock Island Comment
  OBI37081  Baccharis pilularis Calvin Craig 1983-11-5 20 Contra Costa Colelcted on North east side of Mt. Diablo Comment
  UC36778  Balsamorhiza deltoidea J. Burtt Davy 1895-4-7 910 Contra Costa Antioch Comment
  CAS-BOT-BC16379  Barbarea orthoceras John Thomas Howell 1976-5-20 s.n. Contra Costa Mount Diablo. Below Juniper Camp. Comment
  UC691249  Barbarea orthoceras Mary L. Bowerman 1933-4-9 1841 Contra Costa Donner Canyon, west fork: By trail. Comment
  UC691250  Barbarea orthoceras Mary L. Bowerman 1933-5-3 1972 Contra Costa due s Mount Diablo summit ((Meridian Peak)); Mount Diablo 731 Comment
  UC691253  Barbarea orthoceras Mary L. Bowerman 1933-2-4 1688 Contra Costa Flat east of Meridian-North Peak divide. 822 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
  CDA28899  Bellardia trixago D. G. Kelch, Troy MacGregor 2009-5-24 9 .3 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  UC692319  Berula erecta Mary L. Bowerman 1930-10-4 479 Contra Costa Mount Diablo, Maple Spring, by North Road Maple Spring; Mount Diablo, Maple Spring Comment
  UCR51760  Blennosperma nanum L. S. Rose 1949-3-24 49011 Contra Costa 4 miles south of Byron 8 Comment
  JEPS25358  Blennosperma nanum var. nanum Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-19 6969 Contra Costa 1mi se, e of Byron Road Byron 6 Comment
  JEPS33983  Blennosperma nanum var. nanum R. F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  SBBG7808  Blennosperma nanum var. nanum J. M. Tucker 1946-3-24 1382 Contra Costa hills between Nortonville and Somersville Comment
  UC1119039  Blennosperma nanum var. nanum H. S. Yates 1936-4-14 13818 Contra Costa 1/2 mi n of mouth of Perkins Canyon; Mt. Diablo Quadrangle 228 Comment
  UC63210  Blennosperma nanum var. nanum H. M. Hall 1901-3-22 1695 Contra Costa Martinez San Francisco Bay Region Comment
  UC894085  Blennosperma nanum var. nanum Lewis S. Rose 1941-3-13 41035 Contra Costa 3 mi s of, Byron 7 Comment
  CAS-BOT-BC127913  Blepharizonia laxa M. K. Curran 1883-10-1 s.n. Contra Costa Antioch Comment
  JEPS18819  Blepharizonia laxa R. F. Hoover 1937-9-2 2710 Contra Costa 1 mi s of Pittsburg Comment
  UC761866  Blepharizonia laxa R. F. Hoover 1937-9-2 2710 Contra Costa 1 mi s of Pittsburg Comment
  CAS-BOT-BC100337  Blepharizonia plumosa K. Curran 1883-8-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100340  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa Los Medanos, near Antioch Comment
  UC762568  Blepharizonia plumosa Robert F. Hoover 1937-9-2 2711 Contra Costa 1 mi w of Antioch Comment
  CAS-BOT-BC100332  Blepharizonia plumosa H. M. Hall 1916-8-17 10275 Contra Costa Los Medanos, Suisan Bay Comment
  JEPS53003  Boechera breweri subsp. breweri E. L. Greene 1894-5-13 Contra Costa Mt. Diablo Comment
  UC10111  Boechera breweri subsp. breweri H. P. Chandler and H. M. Hall 1901-4-5 Contra Costa Mt. Diablo summit Mt. Diablo Comment
  UC691073  Boechera breweri subsp. breweri Mary L. Bowerman 1932-3-27 1142 Contra Costa Mitchell Rock Mount Diablo Comment
  CAS-BOT-BC15965  Boechera breweri subsp. breweri H. M. Hall 1901-4-5 1757 Contra Costa Region of San Francisco. Mount Diablo. Summit. Comment
  JEPS2846  Bolboschoenus maritimus subsp. paludosus J. Burtt Davy 1897-9-4 4075 Contra Costa Stege; ; Stege, Contra Costa Co. Comment
  UC1950424  Bolboschoenus maritimus subsp. paludosus Barbara Ertter 1990-9-10 9640 Contra Costa Briones Regional Park, Briones Hills S of Martinez, at margin of main Sindicich Lagoon Comment
  UC2029013  Bolboschoenus maritimus subsp. paludosus Barbara Ertter, Dan Norris 1999-11-14 16854 a Contra Costa Black Diamond Mines Regional Preserve, Sand Creek on east side Stewartville Trail. Comment
  CAS-BOT-BC95309  Bowlesia incana John Thomas Howell 1933-3-29 10901 Contra Costa Nortonville hills Comment
  UC692369  Bowlesia incana Mary L. Bowerman 1931-3-21 591 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon Comment
  UC1795724  Brachypodium distachyon Barbara Ertter, Mary Bowerman et al. 1995-5-7 14026 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road thru annual grassland with scattered blue oak south of Marsh Cr. Rd summit. 304 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
  UC691083  Brassica nigra Mary L. Bowerman 1938-5-25 3633 Contra Costa Mount Diablo. North Road 2 miles from North Gate. 182 Comment
  CAS-BOT-BC30261  Brassica nigra Mary L. Bowerman 1938-5-25 3633 Contra Costa North Road 2 miles from North Gate. 182 Comment
  UC2070488  Brickellia californica Barbara Ertter 2002-8-24 18038 Contra Costa Lower Perkins Canyon on NE base of Mount Diablo. Comment
  UC691193  Briza minor Mary L. Bowerman 1931-4-11 686 Contra Costa Pine Canyon Mount Diablo (lower end) 121 Comment
  JEPS100061  Brodiaea elegans G. Smick 2003-6-6 GAS 216 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD164897  Brodiaea elegans subsp. elegans Henry House 1995-5-20 1995- 15 Contra Costa about 1 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC650431  Brodiaea terrestris subsp. terrestris Ira L. Wiggins 1930-4-17 4573 Contra Costa near Byron Comment
  UCD38557  Bromus berteroanus Beecher Crampton 1956-5-14 3415 Contra Costa 0.5 mile northwest of Martinez. Comment
  UCD58300  Bromus carinatus G. Thomas Robbins 1959-4-18 3991 Contra Costa Along Western Drive. Near and north of Pt. Richmond. Western base of Potrero Hills. Richmond. 4 Comment
  UC53787  Bromus carinatus var. carinatus J. Burtt Davy Apr 1897 Contra Costa Point Isabel; Western Middle California, Point Isabel Comment
  UC606747  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1975 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
  POM300672  Bromus diandrus Mary L. Bowerman 1932-4-27 1366 Contra Costa Oyster Ridge, south face of ridge west of Riggs Canyon Comment
  UC1948970  Bromus diandrus William J. Ferlatte, L. Maynard Moe 1970-4-27 1238 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC60184  Bromus diandrus Jos. Burtt Davy 1899-4-19 7867 Contra Costa Moraga Valley 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
  UCD84945  Bromus diandrus Chuck Hughes 2010-3-29 217 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  CDA29150  Bromus hordeaceus D. G. Kelch 2006-5-7 6 .146 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CAS-BOT-BC155472  Bromus hordeaceus P. F. Knowles 1941-1-1 B 83 Contra Costa Briones Hills. Davis. Greenhouse. Comment
  CAS-BOT-BC162451  Bromus laevipes Leon E. Pavlick; L. R. Abrams 1921-5-25 8041 Contra Costa At spring 4.25 miles from summit of Mount Diablo. Comment
  UC2070614  Bromus laevipes Barbara Ertter with John Ginochio 2002-6-1 17943 Contra Costa Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  JEPS100023  Bromus madritensis G. Smick 2003-3-27 GAS 96 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  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
  CAS-BOT-BC162352  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  CAS-BOT-BC162357  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  UC692335  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-4-19 2863 Contra Costa near Turtle Rock (Mount Diablo); Mount Diablo 457 Comment
  UC692344  Bromus madritensis subsp. rubens Mary L. Bowerman 1931-5-7 810 Contra Costa Mount Diablo, North Peak North Peak; Mount Diablo, North Peak Comment
  UC677567  Bromus racemosus P. F. Knowles B 72 Contra Costa 1 mi w of Rodeo Comment
  CDA23570  Bromus rubens D. G. Kelch, D. A. Weinstein 2008-4-25 8 .088 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  SACT000721  Bromus rubens Annette Waters 1958-5-13 Contra Costa 3 miles north of sign ""South Entrance of Park 4 miles""; at edge of road in dry sandy soil; few heads greenish but mostly purple Comment
  CAS-BOT-BC161953  Bromus rubens Mary L. Bowerman 1931-5-7 810 Contra Costa Mount Diablo. North Peak. Comment
  UC2028525  Calamagrostis rubescens Barbara Ertter 1997-11-1 15881 Contra Costa South side Mount Diablo, near Balancing Rock on Knobcone Point Road Comment
  CAS-BOT-BC185033  Calamagrostis rubescens Virginia E. Long 1933-6-14 222 a Contra Costa Mount Diablo. Inner Black Hills. 563 Comment
  CAS-BOT-BC438372  Calandrinia ciliata Mary L. Bowerman 1939-5-2 3741 Contra Costa Mount Diablo. By road to Barbecue Terrace (off South Road) 563 Comment
  UC1136642  Calandrinia ciliata R. C. Wilson 108 Contra Costa 1/2 mi sw Nortonville; Mt. Diablo Quadrangle Comment
  UC692306  Calandrinia ciliata Mary L. Bowerman 1931-2-22 522 Contra Costa Sycamore Ridge Mount Diablo Comment
  CAS-BOT-BC167286  California macrophylla Brandegee s.n. Contra Costa Antioch Comment
  SD41282  California macrophylla McCallum 1933-4-26 3696 Contra Costa Near road to Tassajara Comment
  UC1563731  Callitriche longipedunculata Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8144 Contra Costa West and adjacent Clifton Court Forebay, ca. 15 air miles SW od Stockton. SE Contra Costa County. Comment
  UC3357  Calochortus albus W. H. Brewer 1862-5-24 1157 Contra Costa se of Mt. Diablo Comment
  UC1134541  Calochortus argillosus C. M. Belshaw 1936-5-13 2019 A Contra Costa 0.5 mi e Round Valley; Mt. Diablo Quad. 228 Comment
  UC2028252  Calochortus argillosus Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16395 Contra Costa Southwest base of Mount Diablo, South Gate Road 0.7 miles from park boundary. Comment
  CAS-BOT-BC132490  Calochortus pulchellus R. F. Hoover 1968-5-16 11092 Contra Costa Upper Marsh Creek Comment
  JEPS122394  Calochortus pulchellus Nisrine Machaka-Houri 2014-5-17 NG 14 Contra Costa Black Point Trail, Mitchell Canyon, Mt. Diablo State Park. Comment
  SBBG54485  Calochortus pulchellus L. R. Abrams 1921-5-25 8053 Contra Costa Mt Diablo, 4.5 mi from summit Comment
  UC767890  Calochortus pulchellus R. F. Hoover 1938-5-4 3339 Contra Costa Marsh Creek canyon Marsh Creek Comment
  CAS-BOT-BC132505  Calochortus pulchellus Paul F. Covel 1936-5-17 123 Contra Costa Mt. Diablo, (North Pk trail) Comment
  JEPS61718  Calochortus splendens W. L. Jepson 1919-6-8 8326 Contra Costa Mt. Diablo Comment
  JEPS112510  Calochortus superbus Christopher Thayer 1996-6-7 Contra Costa Oursan Trail above Hampton rd. East Bay Municipal Utility District property Comment
  UC691991  Calochortus umbellatus Mary L. Bowerman 1933-5-22 2170 Contra Costa e of Knobcone Point (on n-face); Mount Diablo, Inner Black Hills Comment
  CAS-BOT-BC132535  Calochortus umbellatus Mary L. Bowerman 1931-3-22 612 Contra Costa Knoll between Cave and Oyster Points Comment
  UC2028315  Calochortus venustus Barbara Ertter, Susan D'Alcamo 1998-6-12 16156 Contra Costa North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings. Comment
  UC2029143  Calochortus venustus Barbara Ertter with Alan Prather 2003-6-7 18212 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail. Comment
  POM195651  Calycadenia hispida H. M. Hall 1916-8-16 10274 Contra Costa Horse Valley, 9 km south of Antioch Comment
  CAS-BOT-BC224748  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-6-8 3126 Contra Costa Mount Diablo. Summit 1170 Comment
  CAS-BOT-BC224752  Calystegia malacophylla subsp. pedicellata Paul F. Covel 1940-5-12 1785 Contra Costa Summit Mt. Diablo Comment
  UC2028302  Calystegia malacophylla subsp. pedicellata Barbara Ertter, Susan D'Alcamo 1998-6-12 16189 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit. 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
  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
  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
  UC1594199  Calystegia sepium subsp. binghamiae Jerry Powell 1991-8-15 1614 Contra Costa Antioch National Wildlife Refuge Comment
  UC1965404  Calystegia sepium subsp. binghamiae R. K. Brummitt and B. Ertter 2012-6-16 22059 Contra Costa Antioch, beside Plaza at water's edge at upper end of Suisun Bay Comment
  CAS-BOT-BC202027  Calystegia sepium subsp. limnophila Ira L. Wiggins 1954-9-5 13122 Contra Costa Levee along Bethel Island Comment
  UCD119366  Calystegia sepium subsp. limnophila Jean Shepard; Scott Shepard 2011-8-28 857 Contra Costa Antioch Marina. South side of the San Joaquin River, east of the San Francisco Bay, approximately 3 1/4 miles west of the Antioch Bridge. 0 Comment
  CDA39895  Calystegia sepium subsp. limnophila T. C. Fuller 1964-11-6 12807 Contra Costa Northeast side of Bethel Island. 0 Comment
  CDA41299  Calystegia sepium subsp. limnophila G. F. Hrusa, D. Crowe, R. York 1998-7-17 14728 Contra Costa Sacramento Delta; Betw. Dow Ecological Reserve and San Joaquin R. Sheet 2 of 2. Comment
  RSA710249  Calystegia subacaulis R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19788 Contra Costa Mt. Diablo. NE side, Donner Track. 400 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
  UC1084506  Camissonia campestris subsp. campestris G. Thomas Robbins 1940-5-19 328 Contra Costa e Antioch (slope above river); San Joaquin River Comment
  UC140592  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa in sandhills Antioch Comment
  UC2028347  Camissonia contorta Barbara Ertter 1991-5-5 9780 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon, N-facing slope Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  RSA448887  Camissonia hirtella H. de Forest 1930-4-6 s.n. Contra Costa SE of Mortonville, Small coal mine ravine. 274 Comment
  RSA186560  Camissonia micrantha Peter H. Raven 1963-3-29 18143 Contra Costa About 1 mile south of Oakley on State Highway 4 at junction of Brownstone Road Comment
  UC635407  Camissoniopsis intermedia H. L. Mason 1929-3-15 5048 Contra Costa Nortonville Comment
  RSA0068484  Camissoniopsis intermedia Katie Gallagher, Nick Jensen 2014-4-26 191 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC1861825  Camissoniopsis intermedia Barbara Ertter, Chris Thayer 1995-4-25 13989 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UC2070451  Camissoniopsis micrantha Barbara Ertter with Dan Norris 2001-4-8 17600 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC29002  Campanula exigua Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  SEINET10461961  Campanula exigua Edward L. Greene 1892-6-20 Greene s.n. Contra Costa Mount Diablo Comment
  UC1055872  Campanula poscharskyana N. Floy Bracelin 1945-6-10 2854 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051244  Campanula rotundifolia N. Floy Bracelin 1943-7-11 2546 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS100084  Capsella bursa-pastoris G. Smick 2003-4-3 GAS 121 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA29680  Capsella bursa-pastoris Joseph A. Ewan 1936-5-3 9495 Contra Costa Wildcat Creek near Orinda road bridge. Comment
  CAS-BOT-BC37391  Cardamine californica Alice Eastwood 1923-5-4 s.n. Contra Costa Mount Diablo. Comment
  UC1126894  Cardamine californica R. C. Wilson 1935-3-27 146 Contra Costa Oyster Pt. Mt. Diablo Quad., Oyster Pt. Comment
  RSA128566  Cardamine californica var. integrifolia P. H. Raven 1954-1-10 6371 Contra Costa North Road, Mt. Diablo. 396 Comment
  UC2070647  Cardamine flexuosa Barbara Ertter with David Gowen 2006-4-14 18668 Contra Costa Lime Ridge Open Space (City of Concord) at NW foot of Mount Diablo, SE of Ygnacio Valley Road. Comment
  UC1561256  Cardamine oligosperma Barbara Ertter with John Little 1989-4-2 8112 Contra Costa Hillside Park , Hillside Park (El Cerrito) Comment
  UC691070  Cardamine oligosperma Mary L. Bowerman 1931-3-29 618 Contra Costa East Cave Point Ridge , East Cave Point Ridge (Mount Diablo) Comment
  UC2070559  Cardamine oligosperma var. oligosperma Barbara Ertter 2003-4-9 18140 Contra Costa Shell Ridge Open Space on west base of Mount Diablo, Indian Creek below Fossil Hill Trail crossing. Comment
  POM351433  Carduus pycnocephalus B. C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. Comment
  POM301033  Carduus tenuiflorus Mary L. Bowerman 1934-6-9 2547 Contra Costa South Road, bend by Diablo Trail sign reading 4.4 miles to summit 305 Comment
  CDA29516  Carex barbarae D. G. Kelch, Troy MacGregor 2009-5-1 9 .277 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  JEPS124459  Carex barbarae Daniel Slakey with CNPS Volunteers 2015-6-29 135 Contra Costa Mt. Diablo State Park. Slope above Emmons Canyon, along access trail from Macedo Ranch Staging Area. Comment
  CAS-BOT-BC19210  Carex barbarae Mary L. Bowerman 1935-9-13 3344 Contra Costa Mount Diablo. Frog Pond. At head of Forg Pond spring. Comment
  CDA32069  Carex barbarae D. G. Kelch 2006-3-18 6 .105 Contra Costa 2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd. 0 Comment
  UC2013067  Carex barbarae Barbara Ertter with Lisa Schultheis 1996-9-2 15279 Contra Costa South side Mount Diablo, Sycamore Creek below Sulfur Spring. Comment
  SEINET10653000  Carex bifida Lewis S. Rose 1935-5-16 Rose 35163 Contra Costa Mt. Diablo, Wet spots around springs. Comment
  UC70611  Carex densa Jos. Burtt Davy 1899-4-19 7843 Contra Costa Glorietta; Inner Coast Range Mountains Comment
  UC2028524  Carex globosa Barbara Ertter 1997-11-1 15880 Contra Costa South side Mount Diablo, near Balancing Rock on Knobcone Point Road. Comment
  CHSC114386  Carex obnupta D. G. Kelch; Michael Park, Abigail Moore 2007-5-1 7251 B Contra Costa Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. 0 Comment
  CAS-BOT-BC119426  Carex obnupta N. Stone 1941-4-5 23 Contra Costa Lake Anza, Wildcat Canyon. 198 Comment
  CAS-BOT-BC119016  Carex pellita Walter Knight 1979-6-15 3382 Contra Costa Straight Slough. Browns Island. Comment
  UC1949083  Carex pendula Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19797 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  CDA34479  Carex subbracteata D. G. Kelch 2006-3-18 6 .106 Contra Costa 2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd. 0 Comment
  JEPS74803  Castilleja L. R. Heckard, T. I. Chuang and R. C. Bacigalupi 1975-5-7 4011 Contra Costa ca 0.5 mi e Pinole (just e of Interstate 80, along main route of Santa Fe RR) Comment
  JEPS43525  Castilleja affinis subsp. affinis August Hartman 1960-4-19 6 D Contra Costa North Gate Road on Mt. Diablo; Mt. Diablo 609 Comment
  UC26516  Castilleja affinis subsp. affinis W. H. Brewer 1862-5-1 1041 Contra Costa Walnut Creek Comment
  UC27158  Castilleja ambigua subsp. ambigua Jos. Burtt Davy 1900-6-7 6666 Contra Costa Martinez Comment
  RSA0029778  Castilleja applegatei subsp. martinii Barbara J. Ertter 2000-7-29 17446 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail south of Wild Oat Canyon. 488 Comment
  JEPS126599  Castilleja attenuata Lowell Ahart, Josephine Guardino 2016-4-19 20778 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quadrangle. 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. Comment
  JEPS9949  Castilleja attenuata W. L. Jepson 1923-4-22 9873 Contra Costa Mt. Diablo Comment
  UC691576  Castilleja attenuata Mary L. Bowerman 1933-5-11 2084 Contra Costa w end Inner Black Hills; Mount Diablo Comment
  UC691580  Castilleja attenuata Mary L. Bowerman 1932-4-9 1333 Contra Costa from near Rock City ridge to Wall Point; Mount Diablo Comment
  UC2070594  Castilleja exserta Barbara Ertter with Steve Matson 2003-3-15 18101 Contra Costa Black Diamond Mines Regional Preserve, west ridge of Rose Hill. Comment
  JEPS15212  Castilleja exserta subsp. exserta C. M. Belshaw 1936-5-11 2096 Contra Costa 5.25 mi e Danville; Mt. Diablo 289 Comment
  JEPS15607  Castilleja exserta subsp. exserta R. Bacigalupi and G. Thomas Robbins 1955-5-4 4972 Contra Costa e outskirts Concord (field along Treat Lane, in Clayton Valley); Clayton Valley, Concord 60 Comment
  JEPS19496  Castilleja exserta subsp. exserta Rimo Bacigalupi 1956-5-11 5640 -B Contra Costa .33 mi e Pinole (between State Hwy 4 and Santa Fe Ry right-of-way, 0.25 mi e of junction with U.S. Hwy 40) 22 Comment
  UC1328145  Castilleja exserta subsp. latifolia Olive Dyer 1938-4-6 417 Contra Costa slope above Big Springs Canyon; Wildcat Canyon Comment
  UC691594  Castilleja foliolosa Mary L. Bowerman 1931-4-18 730 Contra Costa basin of ne-fork Sycamore Canyon; Mount Diablo Comment
  CAS-BOT-BC241277  Castilleja latifolia Alice Eastwood 1915-6-21 4740 Contra Costa San Leandro Comment
  UC691573  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1931-5-21 884 Contra Costa w of Curry-Cave Point trail; Mount Diablo 548 Comment
  JEPS48749  Castilleja subinclusa subsp. franciscana H. M. Wheeler 1944-1-16 27511 Contra Costa Upper San Leandro Canyon Oakland Hills, Moraga Ridge Comment
  CAS-BOT-BC41035  Caulanthus flavescens Mary L. Bowerman 1935-4-22 2879 Contra Costa Mount Diablo. North Road 2 miles from North Gate. 213 Comment
  CAS-BOT-BC40512  Caulanthus lasiophyllus Bolander 1863-1-1 s.n. Contra Costa San Pablo Landing. Comment
  POM11961  Caulanthus lasiophyllus var. rigidus Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  SEINET3292741 Image available Ceanothus Craig Davis 1970-7-8 D- 168 Contra Costa Growing along roadcut in open areas under power lines on Manzanita Drive in Oakland Hills, in shallow sandy soil. 427 Comment
  CAS-BOT-BC48834  Ceanothus cuneatus H. E. McMinn 1923-3-6 887 Contra Costa Mt. Diablo Comment
  POM300720  Ceanothus cuneatus Mary L. Bowerman 1932-9-3 1531 Contra Costa Muir Area, burn (1931) Mt. Diablo Comment
  UC18269  Ceanothus cuneatus var. cuneatus State Survey 1862-5-7 1062 Contra Costa summit of Mt. Diablo Comment
  UC480608  Ceanothus cuneatus var. cuneatus Carl Meyer 1928-2-22 Contra Costa Mt. Diablo Comment
  UC634568  Ceanothus cuneatus var. cuneatus H. L. Mason March, 1925 Contra Costa Mount Diablo Comment
  CAS-BOT-BC49716  Ceanothus cuneatus var. rigidus Brandegee 93 Contra Costa Nortonville Comment
  UCD166546  Ceanothus oliganthus Dylan O. Burge 2016-2-18 2047 Contra Costa Huckleberry Ridge. 390 Comment
  JEPS42180  Ceanothus oliganthus var. sorediatus W. L. Jepson 1918-6-3 7586 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS42191  Ceanothus oliganthus var. sorediatus W. L. Jepson 1908-4-4 3003 Contra Costa West Branch of San Pablo Creek Berkeley hills Comment
  UC692586  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1932-9-17 1580 Contra Costa West branch of Donner Canyon Mount Diablo Comment
  UC692588  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1935-5-30 3084 Contra Costa By Donner Canyon stream 161 Comment
  CAS-BOT-BC63453  Ceanothus palmeri Mark Boone 1981-2-22 002 Contra Costa Mt. Diablo State Park 10.8 mi. from N. Park Gate. Comment
  UC1795799  Centaurea melitensis Barbara Ertter, Mary L. Bowerman 1994-6-19 12844 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, 1005 Comment
  CAS-BOT-BC277053  Centaurea melitensis Joseph Andorfer Ewan 1936-5-3 9506 Contra Costa Wildcat Creek Comment
  UC1491380  Centaurea solstitialis G. Merrill 1981-7-21 Contra Costa 3 mi w of Camino Diablo Rd. (on Marsh Creek Road) Comment
  UC1178020  Centaurium muehlenbergii Herbert L. Mason 1955-7-14 14637 Contra Costa 0.5 mi e Antioch Bridge Comment
  UC691834  Centaurium muehlenbergii Mary L. Bowerman 1930-9-27 463 Contra Costa 2.25 mi by road from Mount Diablo north entrance (west base spring, take trail trough to w, follow to fence and go through); Mount Diablo Comment
  UC2028240  Centaurium muehlenbergii Barbara Ertter, Tony Morosco 1998-9-18 16424 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  UCD130137  Centromadia parryi subsp. congdonii Robert E. Preston 1998-10-6 1172 Contra Costa on west side of Camino Tassajara, 0.5 to 0.9 miles south of Highland Road. 176 Comment
  CAS-BOT-BC288883  Centromadia parryi subsp. congdonii John Thomas Howell 1932-10-16 10820 Contra Costa Near San Ramon Comment
  CAS-BOT-BC279185  Centromadia pungens subsp. pungens David D. Keck 1933-11-2 2613 Contra Costa 3 mi. S. of Martinez on road to Pacheco Comment
  CAS-BOT-BC279193  Centromadia pungens subsp. pungens R. F. Hoover 1967-4-28 10515 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC279198  Centromadia pungens subsp. pungens John Thomas Howell; Gordon H. True 1972-6-29 48920 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  JEPS25331  Centromadia pungens subsp. pungens Andrew P. Nelson 1961-4-6 713 Contra Costa about 3 mi s Byron (on Byron Road, near Southern Pacific Railroad crossing) 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
  UC70203  Centromadia pungens subsp. pungens J. Burtt Davy 1898-5-1 Contra Costa Livermore Pass Region of Mount Diablo Comment
  UC1178029  Centunculus minimus Herbert L. Mason 1955-7-14 14632 a Contra Costa 1/2 mi e of Antioch Bridge Comment
  UC579851  Cerastium glomeratum Annetta Carter 1936-4-19 1114 Contra Costa 1 mi. s.w Castro Point (e. side Red Rock); San Francisco Bay, Red Rock Comment
  UC692408  Cerastium glomeratum Mary L. Bowerman 1931-3-7 545 Contra Costa Mt. Diablo, Sheep Camp Spring Comment
  UC1127921  Cercocarpus betuloides var. betuloides R. C. Wilson 1935-3-28 153 Contra Costa Top of Mount Diablo Mount Diablo 1158 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
  UC691105  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1932-9-3 1538 Contra Costa Meridian Peak summit, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak Comment
  UC691122  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-3-7 548 Contra Costa summit of Meridian Peak, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak Comment
  CAS-BOT-BC284216  Chaenactis glabriuscula var. megacephala James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC284222  Chaenactis glabriuscula var. megacephala Alice Eastwood 1914-3-17 3799 Contra Costa Byron Springs Comment
  CDA23076  Chamaesyce maculata D. G. Kelch, D. A. Weinstein 2008-5-5 8 .093 Contra Costa Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall. Comment
  JEPS111948  Chamaesyce serpens D. G. Kelch 2003-8-13 03 .118 Contra Costa Martinez Marsh 1 Comment
  JEPS111950  Chamaesyce serpens D. G. Kelch 2004-5-21 04 .221 Contra Costa Crockett - Edwards Canyon Edwards Creek EBRP Staging Area near Greenhouse 24 Comment
  UC42444  Cheilanthes covillei Wm. H. Brewer 1862-5-14 1085 Contra Costa summit of Mt Diablo Comment
  CHSC75078  Chenopodium album Roger Thom 1987-5-27 23 Contra Costa 1900 block of Olympic Blvd. (at Newell Ave.) Walnut Creek. 15 Comment
  JEPS87912  Chenopodium ambrosioides Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10883 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  RSA0027945  Chenopodium californicum Barbara Ertter 1998-4-4 15964 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west side of rocky knoll between northwestern-most ridge and Indian Valley School. Comment
  CDA3133  Chenopodium vulvaria D. G. Kelch, A. G. Murdock 2005-7-11 5 .459 Contra Costa Carquinez Strait Region; Crockett - Edwards Canyon. Edwards Creek Staging Area. Comment
  JEPS100056  Chlorogalum pomeridianum A. Langston 2003-6-12 AL 42 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD99655  Chorizanthe biloba var. biloba M. Wiesendanger 1925-5-1 1479 Contra Costa San Miguel. Comment
  CAS-BOT-BC30111  Chrysolepis chrysophylla var. minor H. E. Mc. Minn 1922-5-30 31 Contra Costa Moraga ridge Comment
  UC35435  Cicendia quadrangularis J. Burtt Davy 1900-3-24 7616 Contra Costa Pt. Richmond Comment
  UC72145  Cicendia quadrangularis Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  CAS-BOT-BC277978  Cirsium cymosum Mary L. Bowerman 1935-5-22 3041 a Contra Costa Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks 304 Comment
  UC1953204  Cirsium occidentale David Keil with Barbara Ertter et al. 2000-6-18 28815 B Contra Costa Mount Diablo State Park. Lower part of Jumper [Juniper] Trail above Laurel Dell picnic area. Comment
  UC1607628  Cirsium occidentale var. venustum Barbara Ertter, Lynne Hosley 1992-8-29 11265 Contra Costa E of Mount Diablo (Prairie Falcon trail); Morgan Territory Regional Preserve Comment
  CDA1530  Cirsium quercetorum M. K. Bellue 1954-5-1 s.n. Contra Costa Concord. Comment
  CAS-BOT-BC285727  Cirsium vulgare Walter Knight; Frank Almeda; Bob Doyle; Joanne Dean 1978-10-11 3328 Contra Costa Browns Island. South Landing Comment
  UC1795899  Clarkia Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14638 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; grassy hillside. Comment
  CAS-BOT-BC162564  Clarkia affinis Mary L. Bowerman 1935-5-22 3041 Contra Costa Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks - Mount Diablo 304 Comment
  JEPS78818  Clarkia affinis Edward Lee 1936-5-24 2158 Contra Costa about 2 mi se Curry Canyon; Morgan Territory, Marsh Creek Comment
  UC1122357  Clarkia affinis C. M. Belshaw 1936-5-13 2113 Contra Costa 3.7 mi ene Tassajero (plot 31); Mt. Diablo Quadrangle Comment
  UC1122360  Clarkia affinis C. M. Belshaw 1936-5-15 2130 Contra Costa Stewartsville Mt. Diablo Quadrangle 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
  UC692492  Clarkia affinis Mary L. Bowerman 1933-4-26 1925 Contra Costa ese North Peak (North Peak Ridge, s face); Mount Diablo 609 Comment
  UC2028318  Clarkia affinis Barbara Ertter, Susan D'Alcamo 1998-6-12 16159 Contra Costa North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings. Comment
  RSA0059973  Clarkia amoena subsp. amoena H. de Forest 1930-6-29 s.n. Contra Costa Dry bank on Tunnel Rd. Comment
  JEPS99586  Clarkia biloba Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, foot trail between Back Canyon and Donner Canyon. In Donner side of ridge. Comment
  UC1606348  Clarkia biloba Barbara Ertter with Dianne Lake 1991-8-18 10676 Contra Costa e Crockett (n-facing slope above pilings ne of Bull Valley staging area); Carquinez Strait Regional Shoreline Comment
  UC373494  Clarkia biloba C. L. Hitchcock 1928-6-5 15 Contra Costa 1 mi w Port Costa (between Port Costa and Crockett) 5 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-BC163607  Clarkia biloba subsp. biloba V. Rattan 1886-1-1 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC164157  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  UC634661  Clarkia concinna subsp. concinna David R. Goddard 1927-5-23 170 Contra Costa San Pablo Creek Canyon Comment
  UC692495  Clarkia concinna subsp. concinna Mary L. Bowerman 1931-5-21 879 Contra Costa Mount Diablo, Curry Cave Point Trail Curry Cave Point Trail; Mount Diablo, Curry Cave Point Trail 350 Comment
  POM262916  Clarkia purpurea subsp. purpurea Herbert McLean Evans s.n. Contra Costa Mount Diablo Comment
  JEPS23503  Clarkia purpurea subsp. quadrivulnera Edward Lee Greene 1886-5-25 Contra Costa Mt. Diablo Comment
  UC1122432  Clarkia purpurea subsp. quadrivulnera C. M. Belshaw 1936-5-13 2112 Contra Costa 3.7 mi ene Tassajero (plot 31); Mt. Diablo Quadrangle Comment
  CAS-BOT-BC163666  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-4-25 760 Contra Costa Mount Diablo. Above junction of North and South Roads Comment
  UC634710  Clarkia purpurea subsp. quadrivulnera H. L. Mason 1928-4-26 4379 Contra Costa hills around Berkeley and Oakland Comment
  UC697197  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-13 843 Contra Costa 1 mi from Sulphur Spring; Mount Diablo, Pine Canyon 167 Comment
  CAS-BOT-BC165038  Clarkia rubicunda Peter H. Raven 1957-6-20 10950 Contra Costa Hillside at Inspiration Point, east end of Tilden Regional Park 365 Comment
  UC1618334  Clarkia rubicunda Barbara Ertter, Brad Olson 1993-8-8 12204 Contra Costa s.w. San Ramon (Bishop Ranch Regional Open Space); Bishop Ranch Regional Open Space Comment
  UC113995  Clarkia rubicunda Katharine Brandegee 1908-7-3 Contra Costa n side Point Isabel (type locality) Comment
  POM32263  Clarkia rubicunda subsp. blasdalei Katherine Brandegee 1908-7-3 s.n. Contra Costa Point Isabel, north side Comment
  CDA38067  Clarkia unguiculata A. G. Murdock 2003-6-2 81 Contra Costa Carquinez Strait Region; Franklin Canyon - McHarry Ranch Rd. Comment
  CAS-BOT-BC439164  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Mount Diablo. Alamo Canyon 350 Comment
  UC692545  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1113 Contra Costa Alamo Canyon (50 ft above stream) Alamo Canyon; Mount Diablo 365 Comment
  POM164051  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 4624 Contra Costa Mitchell s canon, Mt. Diablo. Comment
  UC7871  Claytonia gypsophiloides Edw. L. Greene Jun 1892 Contra Costa Mount Diablo Comment
  UC692542  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1932-2-28 1090 Contra Costa ridge e Rhine Canyon (e side about 150 ft above Curry Canyon); Mount Diablo Comment
  UC2027915  Claytonia parviflora subsp. parviflora Barbara Ertter with Dan Norris 2001-4-8 17578 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  POM300716  Claytonia perfoliata Mary L. Bowerman 1932-3-12 1111 Contra Costa Alamo Canyon; East-facing bank fifteen ft. above the stream. 351 Comment
  RSA469285  Claytonia perfoliata H. de Forest 1930-4-6 s.n. Contra Costa [Unspecified] Comment
  UC1745809  Claytonia perfoliata subsp. perfoliata Annetta M. Carter, Edward Lee 1935-3-29 756 Contra Costa Marsh Creek Rd., 1.2 mi. E of Clayton. Comment
  UC7886  Claytonia perfoliata subsp. perfoliata W. H. Brewer 1862-5-12 1080 Contra Costa Mount Diablo 609 Comment
  CAS-BOT-BC440079  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1914-3-17 3772 Contra Costa Byron Springs Comment
  CAS-BOT-BC92548  Clematis ligusticifolia Paul F. Covel 1938-6-26 1516 Contra Costa Las Trampas Canyon (behind Saint Mary's). Comment
  JEPS120287  Clinopodium vulgare Barbara Ertter with David Gowen 2012-9-20 21018 Contra Costa lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills, ca. midway along trail, wide spot in shade of bay and pine (same location as 20919) Comment
  UC103400  Collinsia heterophylla K. Brandegee May 1889 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
  POM194561  Collinsia sparsiflora Y. Mexia 1929-4-21 2376 Contra Costa Moraga Valley. Comment
  SEINET12343275  Collinsia sparsiflora Ottley 1920-4-25 468 Contra Costa San Francisco Bay Region, Mitchell Canon, Mt. Diablo 305 Comment
  UC1301187  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-3 5192 a Contra Costa near Moraga (Las Trampas Canyon E of St. Mary's College); Las Trampas Canyon 259 Comment
  UC766264  Collinsia sparsiflora var. collina R. F. Hoover 1938-3-5 2817 Contra Costa mouth of Kirker Creek Canyon Comment
  UC691583  Collinsia sparsiflora var. collina Mary L. Bowerman 1932-3-6 1101 Contra Costa Sycamore Canyon near mouth Sycamore Canyon, Mount Diablo; Mount Diablo Comment
  JEPS79511  Collomia diversifolia Edward Lee 1978-5-13 Contra Costa Meridian Ridge Mt. Diablo Comment
  UCD118040  Collomia diversifolia Ann F. Johnson 1978-5-13 s.n. Contra Costa From Deerflat to Meridian ridge, on Mt. Diablo. Comment
  UC908741  Collomia heterophylla Herbert L. Mason 1928-4-15 4361 Contra Costa woods along trail Moraga Ridge Comment
  CHSC75080  Convolvulus arvensis Roger Thom 1987-5-13 8 Contra Costa Calif. State University Hayward's Contra Costa Campus. 3100 Oak Park Blvd. Pleasant Hill. 30 Comment
  JEPS100237  Convolvulus simulans Dean W. Taylor 1990-4-23 10635 Contra Costa ca. 2 miles due W of Byron Hot Springs 30 Comment
  JEPS111678  Conyza bonariensis D. G. Kelch 2003-8-13 03 .119 Contra Costa Martinez - Train Station 2 Comment
  JEPS75556  Conyza canadensis P. F. Yorks 1975-9-6 494 Contra Costa on Hampton Road 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Prserve 170 Comment
  CDA7454  Conyza sumatrensis D. G. Kelch, A. G. Murdock 2003-8-13 3 .119 Contra Costa Carquinez Strait; Martinez - Train Station Comment
  UC1051048  Coprosma X kirkii N. Floy Bracelin 1942-10-18 2343 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS55940  Cordylanthus nidularius T. I. Chuang and L. R. Heckard, R. Bacigalupi 1968-6-27 6436 Contra Costa 3/4 mi ne of Deer Flat (ne flank of Bald Ridge, Mount Diablo); Mount Diablo, Bald Ridge 670 Comment
  RSA0006003  Cordylanthus nidularius J. T. Howell 1942-7-19 17044 Contra Costa Northeast of Deer Flat, Mount Diablo Comment
  SEINET12765203  Cordylanthus pilosus subsp. pilosus Barbara Ertter, Lynne Hosley 1992-8-29 11266 Contra Costa East of Moutn Diablo in canyon along Coyote Trail.; 0 Comment
  CAS-BOT-BC209590  Cornus sericea Ira L. Wiggins 1930-4-18 4593 Contra Costa Levee, east end of Jersey Island Comment
  JEPS50136  Cornus sericea subsp. sericea W. L. Jepson 1914-10-31 6212 Contra Costa Oakland Hills, Moraga Ridge Comment
  UC70655  Cornus sericea subsp. sericea Jos. Burtt Davy 1895-1 Contra Costa Morago Pass Comment
  JEPS111824  Corylus cornuta var. californica A. G. Murdock 2004-4-30 261 Contra Costa Vaca Canyon 165 Comment
  UCR7819  Corylus cornuta var. californica Wm. Horn Jr. 1964-2-26 640226- 01 Contra Costa San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga 183 Comment
  UC1819010  Cotula coronopifolia Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14230 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  HSC5425  Cotula coronopifolia Greg Bos 1963-4-14 75 Contra Costa Bayshore Freeway at Central Ave., Richmond 0 Comment
  UC2027742  Cotula coronopifolia Barbara Ertter 1997-1-5 15439 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  JEPS99548  Crassula aquatica Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  UC692557  Crassula aquatica Mary L. Bowerman 1935-6-21 3154 Contra Costa e. Turtle Rock pool; Mt. Diablo Comment
  UC692662  Crassula aquatica Mary L. Bowerman 1931-4-4 663 Contra Costa pool w. of Turtle Rock; Mt. Diablo Comment
  UC2028043  Crassula tillaea Barbara Ertter 1998-3-1 15926 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  JEPS120274  Crepis bursifolia Barbara Ertter with David Gowen 2012-6-9 21027 Contra Costa south junction of Big Springs Trail with Seaview Trail, southeastern Tilden Park in Berkeley Hills Comment
  UC1607510  Cressa truxillensis Barbara Ertter with CNPS members 1992-1-19 10895 Contra Costa n.w. corner Concord Naval Weapons Station (Hastings Slough); Hastings Slough Comment
  UCR115055  Cressa truxillensis G. Fred Hrusa, R. York 1998-7-17 14720 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  JEPS31075  Crocanthemum scoparium var. vulgare J. B. Davy 1895-1 Contra Costa Moraga Pass Oakland Hills 182 Comment
  CDA35288  Croton californicus F. J. Brucato 1962-8-21 Contra Costa Antioch, Wilbur Ave, 1 mile west of Hwy 24. 0 Comment
  OBI22928  Croton setiger Janet Harford 1971-11-6 2 Contra Costa Mount Diablo, S side 610 Comment
  CDA38798  Crypsis schoenoides D. G. Kelch 2006-8-12 6 .377 Contra Costa Carquinez Strait; Martinez. Along Alhambra Creek near train station. Comment
  UC1618174  Crypsis schoenoides Barbara Ertter 1989-9-30 8866 Contra Costa 1 1/4 mi nw of Inspiration Point (Tilden Regional Park e of El Cerrito, East Bay Skyline National Recreation Trail (=Nimitz Way)); Tilden Regional Park, E Bay Skyline Nat'l Recreation Trail Comment
  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
  UC1618379  Crypsis vaginiflora Barbara Ertter, Brad Olson 1993-8-8 12201 Contra Costa sw of San Ramon (Bishop Ranch Regional Open Space); Bishop Ranch Regional Open Space Comment
  RSA0028852  Crypsis vaginiflora Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  UC762391  Cryptantha decipiens R. F. Hoover 1938-5-4 3347 Contra Costa Peak E of Tassajero Creek 762 Comment
  UC2028982  Cryptantha decipiens Barbara Ertter 2000-5-14 17016 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail north of Wild Oat Canyon. Comment
  UC691395  Cryptantha flaccida Mary L. Bowerman 1930-6-7 269 Contra Costa Mount Diablo summit Mount Diablo 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
  UC691403  Cryptantha microstachys Mary L. Bowerman 1934-4-28 2546 Contra Costa w end Oyster Ridge; Mount Diablo 457 Comment
  JEPS108227  Cryptantha nevadensis David Gowen 2005-5-6 283 Contra Costa Mt. Diablo State Park. Rocky outcrops on the south side of North Peak. Comment
  JEPS108393  Cryptantha nevadensis David Gowen 2005-4-3 222 Contra Costa Mt. Diablo State Park. Next canyon east of Rhine Canyon and lower down than the trail from Devil's Elbow. Comment
  UC691392  Cryptantha nevadensis var. rigida Mary L. Bowerman 1931-5-7 808 a Contra Costa North Peak Mount Diablo Comment
  UC2031470  Cryptantha torreyana Barbara Ertter 1993-6-25 11906 Contra Costa Oakland-Berkeley Hills, Skyline Trail ca 1/4 miles south of Tilden miniature steams trains, head of Siesta Valley Comment
  UC691344  Cryptantha torreyana Mary L. Bowerman 1933-6-3 2245 Contra Costa on area that was burned in 1931. Exposure north Comment
  CDA33318  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454025 Contra Costa El Sobrante; Skyview Place (near Richmond city limits?) 0 Comment
  RSA0029362  Cuscuta subinclusa Barbara Ertter, Mary L. Bowerman 1996-11-1 15409 Contra Costa North base of Mount Diablo, south end of Hetherington Trail at Donner Creek crossing. Comment
  CDA23080  Cyclospermum leptophyllum D. G. Kelch, D. A. Weinstein 2008-5-5 8 .09 Contra Costa Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall. Comment
  UC1050005  Cydonia oblonga N. Floy Bracelin 1942-4-5 2012 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1055901  Cymbalaria muralis N. Floy Bracelin 1941-4-13 1154 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1779712  Cymbalaria muralis Rudolf Schmid 1999-5-21 1999 -5 Contra Costa Private residence of Rudolf Schmid, 16 Edwn Dr. Kensington, CA 94707-1022, the xeriscape garden establised spring and summer, 1968. 170 Comment
  CAS-BOT-BC299744  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville Comment
  OBI73070  Cynara cardunculus subsp. flavescens David J. Keil, with Barbara Ertter et al. 2000-6-18 28817 Contra Costa Mount Diablo State Park. North Gate Road. Ca. 0.5 miles south of park boundary 195 Comment
  UC692432  Cynodon dactylon Mary L. Bowerman 1936-8-17 3526 Contra Costa Sulphur Spring in Pine Canyon Mount Diablo; , Sulphur Spring in Pine Canyon 137 Comment
  JEPS111843  Cynoglossum grande D. G. Kelch 2005-2-28 05 .10 Contra Costa Vaca Canyon Alhambra Valley Road 165 Comment
  UC691770  Cynoglossum grande Mary L. Bowerman 1935-3-15 2733 Contra Costa e. fork Arroyo del Cerro (Mt. Diablo, Peach Tree Springs rd.); Mt. Diablo, e. fork Arroyo del Cerro 228 Comment
  UCSB21791  Cynoglossum grande Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley 274 Comment
  UCSB24742  Cynoglossum grande Rieser, R. 1966-4-2 Contra Costa 100 ft. north of Eagles Point, Sleepy Hollow, Orinda 396 Comment
  UC2061523  Cynosurus echinatus Dean G. Kelch 2016-5-27 16 .139 Contra Costa Miller-Knox Hill. Comment
  UC665689  Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa banks at upper end San Leandro Lake (near mouth of Redwood Creek) 129 Comment
  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
  UC2046350  Cyperus involucratus Barbara Ertter 2000-9-17 17524 Contra Costa Cerrito Creek at base of Albany Hill. Comment
  RSA605653  Cyperus niger var. capitatus L. C. Wheeler 1952-10-2 7000 Contra Costa Mount Diablo: ca. 0.8 mile up from Turtle Ranch, ca. 1 mile downhill from divide in road. Comment
  UC692117  Cystopteris fragilis Mary L. Bowerman 1933-6-3 2243 Contra Costa summit Mt Diablo 1127 Comment
  CDA35758  Cytisus striatus V. Guise 2011-5-13 PDR# 1641027 Contra Costa Richmond; Wildcat Canyon Regional Park, 2755 McBryde Ave. 0 Comment
  UC1606344  Datura wrightii Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10857 Contra Costa just w Antioch marina (Dow Wetlands Preserve, plowed fields at sw end); Dow Wetlands Preserve Comment
  UC691894  Daucus pusillus Mary L. Bowerman 1931-5-21 878 Contra Costa Curry-Cave Point trail Mt. Diablo; , Curry-Cave Point trail 304 Comment
  RSA216745  Deinandra bacigalupii Robert F. Hoover 1969-8-29 11564 Contra Costa Raymond Road and Ames Street, Livermore Valley. Comment
  UC2029026  Deinandra corymbosa Barbara Ertter 2002-6-16 17952 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UCD32433  Deinandra corymbosa Beecher Crampton 1950-6-20 596 Contra Costa Contra Costa County, 1 mile north of Richmond, Triangle Court. Comment
  CAS-BOT-BC294013  Deinandra kelloggii Alice Eastwood 1927-5-19 14445 Contra Costa Byron Springs Comment
  CAS-BOT-BC294024  Deinandra kelloggii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC523552  Deinandra lobbii David D. Keck 1933-11-2 2615 Contra Costa 1 mi e Nichols (northern Contra Costa County) Comment
  CAS-BOT-BC291806  Deinandra lobbii H. M. Hall 1930-6-18 12792 Contra Costa Somersville, hills south of Pittsburg Comment
  JEPS102902  Delairea odorata Barbara Ertter, Chris Thayer 1996-10-25 15358 Contra Costa Little Pine Creek, Diablo Foothills Regional Park Mount Diablo Comment
  SEINET9288997  Delairea odorata Unknown 1999-12-20 1219291 Contra Costa Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd and Dam Rd. vicinity of Orinda. Comment
  UC691947  Delphinium californicum Mary L. Bowerman 1935-5-30 3091 Contra Costa rock slide Mount Diablo, Eagle Point Ridge 350 Comment
  UCD95636  Delphinium californicum P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  SEINET12087146  Delphinium decorum J. T. Howell 1931-1 5758 Contra Costa Shaley slope in chaparral, 7 mi E of Clayton, Mt. Diablo region Comment
  CAS-BOT-BC8748  Delphinium hansenii H. Lewis; C. Epling 1946-5-5 605 Contra Costa 0.5 miles south of Somersville Comment
  POM225347  Delphinium hesperium J. T. Howell 1931-5-12 6482 Contra Costa N side of Mt Diablo Comment
  RSA398649  Delphinium hesperium E. E. Stanford 1930-5-24 1512 Contra Costa Marsh Creek Canyon. Comment
  SEINET12086747  Delphinium hesperium J. T. Howell 1931-1 6482 Contra Costa North Side of Mt. Diablo Comment
  UC2027807  Delphinium hesperium subsp. hesperium Barbara Ertter with Holly Forbes 1997-4-20 15545 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  CAS-BOT-BC10012  Delphinium hesperium subsp. pallescens Edward Lee Greene 1889-3-24 285 Contra Costa Byron Comment
  POM203038  Delphinium hesperium subsp. pallescens J. T. Howell 1934-4-8 11824 Contra Costa South of Antioch Comment
  UC596470  Delphinium nudicaule R. F. Hoover 1938-5-4 3340 Contra Costa Marsh Creek canyon Comment
  UC9200  Delphinium patens J. Burtt Davy 1895-4-7 964 Contra Costa foothills Antioch Comment
  CAS-BOT-BC116455  Delphinium patens subsp. patens H. L. Mason 1925-3-10 1301 Contra Costa Mount Diablo Comment
  CAS-BOT-BC116459  Delphinium patens subsp. patens Miss Mary Leolin Bowerman 1931-3-21 584 Contra Costa Sycamore Canyon, below chaparral on west facing slope Comment
  CAS-BOT-BC116461  Delphinium patens subsp. patens J. T. Howell 1931-3-10 5758 Contra Costa 7 miles east of Clayton, Mt. Diablo region Comment
  JEPS5529  Delphinium recurvatum R. F. Hoover 1938-3-25 2900 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC17030  Delphinium variegatum Miss Mary Leolin Bowerman 1913-5-22 3652 Contra Costa Mount Diablo. Rock City 518 Comment
  UC13975  Delphinium variegatum subsp. variegatum Chestnut and Drew 1889-4-6 Contra Costa Concord Comment
  JEPS51668  Dendromecon rigida H. H. Haworth 1917-3-3 Contra Costa Maraga Ridge Comment
  UC60233  Deschampsia cespitosa subsp. beringensis Jos. Burtt Davy 1900-6-7 6667 Contra Costa near Martinez Martinez Comment
Read comments
Sep 27 2007
  CAS-BOT-BC192543  Deschampsia cespitosa subsp. holciformis Peter H. Raven 1955-6-12 8293 Contra Costa Just above Antioch Comment
  UC2028474  Deschampsia cespitosa subsp. holciformis Barbara Ertter with Richard K. Brummitt 1998-5-6 16097 Contra Costa Antioch Marina, edge of brackish marsh Comment
  CAS-BOT-BC192676  Deschampsia danthonioides Mary L. Bowerman 1935-6-28 3164 Contra Costa Chase Pond 548 Comment
  CHSC97924  Deschampsia elongata D. G. Kelch 2002-6-18 02 .214 Contra Costa Wildcat Canyon Road in Tilden Park. Comment
Read comments
Dec 14 2010
  UC1606345  Deschampsia elongata Barbara Ertter, Brad Olson 1991-9-28 10843 Contra Costa s. end of San Pablo Reservoir between Orinda and El Sobrante; San Pablo Reservoir 94 Comment
  UC33546  Dicentra chrysantha V. K. Chesnut before August, 1901 Contra Costa Mt. Diablo Comment
  UC692102  Dicentra chrysantha Mary L. Bowerman 1932-9-3 1529 Contra Costa Muir Area; Mount Diablo Comment
  UC9939  Dicentra formosa Chas. Palache Mar 1891 Contra Costa Moraga Canyon Comment
  CDA39457  Dichelostemma capitatum D. G. Kelch 2007-3-24 7 .092 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  UC2032818 Image available Dichelostemma capitatum Doran, Andrew Scott 2012-3-20 688 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UC30118  Dichelostemma capitatum W. C. Blasdale 1896-2-28 Contra Costa Clayton Comment
  UC64062  Dichelostemma capitatum Harley P. Chandler 1901-3-22 854 Contra Costa near Martinez; San Francisco Bay Region Comment
  CAS-BOT-BC500089  Dichelostemma capitatum R. F. Hoover 1938-2-21 2756 Contra Costa Point Richmond Comment
  JEPS100060  Dichelostemma capitatum subsp. capitatum G. Smick 2003-2-20 GAS 45 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM276989  Dichelostemma capitatum subsp. capitatum Lyman Benson 1931-3-18 2665 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC1948965  Dichelostemma capitatum subsp. capitatum William J. Ferlatte, L. Maynard Moe 1970-4-27 1250 Contra Costa San Francisco Bay: Red Rock Island Comment
  JEPS112511  Dichelostemma congestum D. G. Kelch 2004-5-7 04 .182 Contra Costa Ca ada del Cierbo 40 Comment
  RSA0031305  Dichelostemma congestum Barbara Ertter 2000-5-14 17006 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. 457 Comment
  UC1133994  Dichelostemma congestum C. M. Belshaw 1936-5-9 2074 Contra Costa 2.25 mi e Clayton; Mt. Diablo Quad. 381 Comment
  CAS-BOT-BC151950  Diplacus douglasii John Thomas Howell 1941-4-6 16177 Contra Costa Near Deer Flat, Mt. Diablo 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-BC121843  Dirca occidentalis Frank Walton Gould 1940-2-8 864 Contra Costa Grizzly Peak 289 Comment
  CDA37269  Dirca occidentalis D. G. Kelch 2010-1-17 10 .31-B Contra Costa Carquinez Strait Region; Upper North Fork of Rodeo Creek, immediately west of Cummings Skyway. Comment
  JEPS77000  Dirca occidentalis Robert M. Lloyd 1963-3-17 2131 Contra Costa Skyline Drive 0.5 mi e intersection with Grizzly Peak Road (across from 7090 Skyline, Huckleberry trail) Comment
  RSA40099  Dirca occidentalis L. S. Rose 1948-3-9 s.n. Contra Costa Head of Wildcat Creek, Berkeley Hills 457 Comment
  SBBG4896  Dirca occidentalis H. and M. Dearing 1940-3-20 4122 Contra Costa Berkeley hills in Tilden Park, Berkeley Comment
  UC723819  Dirca occidentalis Joseph Andorfer Ewan 1934-3-10 8643 Contra Costa creek bottom flat 2 mi below Orinda road bridge; Wildcat Canyon Comment
  SEINET12194752  Dirca occidentalis Unknown 1987-1 6009 Contra Costa Regional Parks Botanic Garden, Tilden Regional Park, Berkeley, orig. from Little Train area 1970 305 Comment
  UC792334  Disporum hookeri J. A. Rattenbury 1948-3-8 96 Contra Costa on s side of road nr creek 1/2 mi e of Oakland tunnel 213 Comment
  CDA4506  Dittrichia graveolens J. K. Balciunas 2006-6-12 191 Contra Costa Marina Way S. and Hall Avenue, Richmond. 0 Comment
  JEPS21206  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1925-2-28 1260 Contra Costa 1/2 mi e Rodeo; e of Rodeo 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
  JEPS48496  Dodecatheon hendersonii Elsa Kraeger 1926-3-7 Contra Costa beyond tollgate on rd to Mt. Diablo; beyond tollgate on rd to Mt. Diablo Comment
  POM287494  Dodecatheon hendersonii subsp. cruciatum Lyman Benson 1931-3-18 2666 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  JEPS18331  Downingia insignis Lewis S. Rose 1936-4-24 36154 Contra Costa 8 mi s Antioch 30 Comment
  UC1051468  Downingia insignis Herbert L. Mason 1952-4-14 14267 Contra Costa 3.5 mi s Byron 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
  UC1189259  Downingia insignis John R. Swanson 1958-4-15 236 Contra Costa 3 mi s Byron (at junction of Holey road) Comment
  UC765585  Downingia ornatissima var. eximia R. F. Hoover 1941-4-12 4841 Contra Costa 2 mi s Antioch Comment
  CAS-BOT-BC41652  Draba cuneifolia var. cuneifolia Walter Knight; Irja Knight 1968-3-18 2278 Contra Costa Charles Lee Tilden Regional Park. In the Botanic garden. Comment
  UC2027996  Drymocallis glandulosa var. wrangelliana Barbara Ertter 1998-5-3 16064 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo. Comment
  CDA42719  Dryopteris arguta A. G. Murdock 2004-2-12 205 Contra Costa Franklin Canyon - McHarry Ranch Road. Comment
  CDA42720  Dryopteris arguta A. G. Murdock 2004-2-12 205 Contra Costa Franklin Canyon - McHarry Ranch Road. Comment
  UC42145  Dryopteris arguta Ivar Tidestrom VI, 1895 7 Contra Costa canyon near Crockett Comment
  CAS-BOT-BC70862  Dryopteris arguta R. Bacigalupi 1922-9-24 s.n. Contra Costa Mitchell Canyon of Mt. Diablo 213 Comment
  SEINET11619633  Dryopteris arguta M. T. Doutt 1930-1 95 Contra Costa Marsh Creek Comment
  JEPS25137  Dudleya farinosa G. Thomas Robbins 1959-5-16 4007 Contra Costa just s Pt. San Pablo (Potrero Hills); Richmond Comment
  UCD150886  Dysphania ambrosioides James A. Neilson Jr. 1972-11-9 s.n. Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC197109  Echinochloa crus-galli Walter Knight 1978-8-27 3198 Contra Costa Contra Loma Regional Park near Antioch 30 Comment
  UCD150908  Echinochloa crus-galli James A. Neilson Jr. 1972-11-2 3611 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  SEINET245836 Image available Echinochloa crus-galli Beecher Crampton 1965-9-29 7527 Contra Costa 2 miles south of Brentwood, jct. Of Walnut ave. and Marsh Creek rd., Comment
  UC1606336  Elatine californica Barbara Ertter, Brad Olson 1991-9-28 10829 Contra Costa betw Orinda and El Sobrante San Pablo Reservoir Comment
  UC692607  Elatine californica Mary L. Bowerman 1935-7-22 3181 Contra Costa s side Meridian Peak (Chase Pond, by old Government trail); Mount Diablo 548 Comment
  UC2028433  Eleocharis parishii Barbara Ertter with Chris Thayer 1996-10-25 15350 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park Comment
  UC2028475  Elymus X hansenii Barbara Ertter with Richard K. Brummitt 1998-5-6 16100 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  UC692419  Elymus X saundersii Mary L. Bowerman 1935-5-25 3073 Contra Costa Devil's Pulpit Mount Diablo (w side, on edge of outcrop) 1082 Comment
  UC692423  Elymus X saundersii Mary L. Bowerman 1935-6-1 3109 Contra Costa largest ridge between Ransom Point ridge and Mitchell-Pine divide; Mount Diablo 1066 Comment
  SD58360  Elymus condensatus W. L. Jepson 1937-7-2 18445 Contra Costa in a swale one-half mile west of Crockett Comment
  SEINET252197  Elymus glaucus David Amme 1988-8-16 Contra Costa Kensington Comment
  UC691201  Elymus glaucus Mary L. Bowerman 1933-6-21 2333 Contra Costa Donner Canyon Mount Diablo (along stream) Comment
  CDA31735  Elymus multisetus D. G. Kelch 2002-5-24 2 .018 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  UCD62515  Elymus multisetus Beecher Crampton 1956-5-14 3386 Contra Costa Between the old coal mining towns of Somersville and Nortonville, 6.7 miles southwest of Antioch. Comment
  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
  JEPS1582  Emmenanthe penduliflora W. L. Jepson 1921-5-22 9205 Contra Costa .66 way to summit Mt. Diablo Comment
  UC691699  Emmenanthe penduliflora Mary L. Bowerman 1933-4-26 1916 Contra Costa Mount Diablo: North Peak ridge east southeast of the peak, south face 609 Comment
  UCD105401  Epilobium brachycarpum Peter Rubtzoff 1954-9-14 1748 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  UCR115054  Epilobium campestre G. Fred Hrusa, D. Crowe, R. York 1998-7-17 14709 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  CAS-BOT-BC166165  Epilobium canum subsp. canum A. D. E. Elmer 1903-7-1 4620 Contra Costa Mount Diablo Comment
  UC634754  Epilobium canum subsp. canum H. L. Mason 1924-11-23 1169 Contra Costa Las Trampas Ridge Comment
  UC2070464  Epilobium ciliatum subsp. ciliatum Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10699 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina. Comment
  UC84478  Epilobium cleistogamum Katharine Curran Jun 1884 Contra Costa Antioch Comment
Read comments
Mar 27 2016
  POM300656  Epilobium minutum Mary L. Bowerman 1933-6-3 2244 Contra Costa Mount Diablo: summit, on north face. Comment
  UC1818895  Epilobium minutum Barbara Ertter, Mary Bowerman et al. 1995-5-7 14065 Contra Costa Three-Springs Trail on NE side of Mt. Diablo SE of Clayton, small serpentine patch at road junction Comment
  RSA0027403  Epipactis helleborine Barbara Ertter 1999-7-17 16769 Contra Costa Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek, through thick woodland growth. Comment
  UC692136  Equisetum hyemale subsp. affine Mary L. Bowerman 1930-8-24 432 Contra Costa <a> little above end of rd. Mitchell Canyon 251 Comment
  UC692076  Equisetum hyemale subsp. affine Mary L. Bowerman 1935-3-16 2744 Contra Costa e fork Arroyo del Cerro (10 ft below spring); Mt.Diablo 289 Comment
  RSA309336  Equisetum hyemale var. affine Edward Lee, C. M. Belshaw 1935-7-28 1700 Contra Costa Western end of Las Trampas Ridge. 427 Comment
  UC692133  Equisetum laevigatum Mary L. Bowerman 1938-6-14 3685 Contra Costa Lower Silver Spring Mt. Diablo 853 Comment
  UC2028554  Equisetum telmateia subsp. braunii Barbara Ertter 1998-11-15 16462 Contra Costa North side Mount Olympia on north side Mount Diablo Comment
  SJSU10471  Eragrostis curvula R. V. Scott 1972-3-27 Contra Costa 5 mi NW of San Ramon Comment
  JEPS100099  Eremocarpus setiger A. Langston 2003-7-9 AL 64 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS103959  Eriastrum abramsii David Gowen 2003-7-2 12 Contra Costa E of Clayton (edge of fire road and on trail that follows shoulder of ridge (above Chaparral Spring) easterly; N of Marsh Creek Road; Clayton Quadrangle, eastern edge) 487 Comment
  JEPS123272  Eriastrum ertterae David Gowen 2005-6-5 404 Contra Costa Lime Ridge Open Space. Hill 724 east of the golf course. Comment
  UC908868  Eriastrum pluriflorum Herbert L. Mason 1933-6-10 7252 Contra Costa Brentwood Comment
  OBI16592  Ericameria arborescens H. E. McMinn 1936-1 4453 Contra Costa Mt. Diablo Comment
  UC1118630  Ericameria arborescens R. C. Wilson 1935-3-13 128 Contra Costa 1.5 mi w of Cave Pt.; Mt. Diablo Quadrangle 563 Comment
  JEPS127733  Ericameria linearifolia H. Forbes, B. Keller 2009-5-29 UCBG 24 Contra Costa Mt. Diablo State Park, along Deer Flat road about 0.16 km beyond Juniper Camp. Comment
  UC36565  Ericameria linearifolia F. P. McLean 1875-3-1 Contra Costa Mt. Diablo Comment
  UC691786  Erigeron petrophilus var. petrophilus Mary L. Bowerman 1930-10-19 489 Contra Costa at Garden-of-the-Gods; Mount Diablo, Fossil (Rock City) Ridge Comment
  UC31514  Erigeron philadelphicus var. philadelphicus J. Burtt Davy 1895-4-13 1007 Contra Costa near Lafayette Comment
  UC87849  Erigeron philadelphicus var. philadelphicus T. S. Brandegee 1892-5-1 Contra Costa Antioch Comment
  POM196479  Eriogonum J. T. Howell 1929-9-21 7392 Contra Costa Marsh Creek Road 8 miles southeast of Clayton Comment
  POM300577  Eriogonum Mary L. Bowerman 1932-11-11 1639 Contra Costa Little below Moses Rock Spring: dry grassy ridge, leading up from Buckle Point (on west road). Comment
  UC2029056  Eriogonum angulosum Barbara Ertter with Delia Taylor 2003-6-22 18226 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road. Comment
  CAS-BOT-BC250381  Eriogonum gracile Mary L. Bowerman 1932-8-27 1524 Contra Costa Mount Diablo. South of Turtle Rock Comment
  CAS-BOT-BC250386  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa Antioch 15 Comment
  RSA720837  Eriogonum gracile Barbara J. Ertter, Mary L. Bowerman 1994-6-19 12847 a Contra Costa Mt Diablo State Park east of Walnut Creek, roadside near lower summit parking lot 1128 Comment
  UC2027962  Eriogonum gracile Barbara Ertter 1997-8-24 15773 Contra Costa Mount Diablo, SE side of peak on Mary Bowerman/Fire Interpretive Trail. Comment
  CAS-BOT-BC259139  Eriogonum latifolium John Thomas Howell 1930-7-4 5336 Contra Costa In the north Berkeley Hills Comment
  UC521769  Eriogonum luteolum var. luteolum Joseph Andorfer Ewan 1933-10-15 8022 Contra Costa sw slope Mt. Diablo Mt. Diablo Comment
  CHSC20713  Eriogonum nudum var. auriculatum Robert A. Schlising 1963-7-13 2627 Contra Costa Along Grizzly Peak Blvd, Berkeley-Oakland Hills. Comment
  JEPS75519  Eriogonum nudum var. auriculatum P. F. Yorks 1975-7-18 475 B Contra Costa on Hampton Rd ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Area 190 Comment
  SEINET530762  Eriogonum nudum var. auriculatum Paul Opler 2007-6-23 Contra Costa Point Molate. 19 Comment
  UC692045  Eriogonum nudum var. auriculatum Mary L. Bowerman 1930-8-24 424 Contra Costa Mitchell Canyon, lower trail Mount Diablo Comment
  UC692198  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-10-1 1597 Contra Costa s Uncle Sam Canyon (Eagle Point Ridge); Mount Diablo Comment
  UC692201  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1594 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 434 Comment
  RSA0027715  Eriogonum nudum var. auriculatum Barbara J. Ertter, Rich Rabeler, Tony Morosco 1997-6-10 15662 Contra Costa Point Richmond, crest of road. Comment
  UC2029149  Eriogonum nudum var. auriculatum Barbara Ertter with Dan Norris 1999-11-14 16856 Contra Costa Black Diamond Mines Regional Preserve, east end Ridge Trail. Comment
  CAS-BOT-BC269818  Eriogonum nudum var. psychicola Peter Rubtzoff 1954-9-14 1746 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  UC1167551  Eriogonum nudum var. psychicola R. W. Thorp 1958-8-20 20 Contra Costa Antioch Comment
Read comments
Aug 24 2011
  UC1229891  Eriogonum nudum var. psychicola Jerry Powell 1962-8-19 308 Contra Costa about 2 mi e Antioch Comment
  UC692196  Eriogonum nudum var. pubiflorum Mary L. Bowerman 1932-9-17 1586 Contra Costa Donner Canoyn, w fork toward mouth Mount Diablo Comment
  JEPS102915  Eriogonum roseum Barbara Ertter with Tony Morosco 1998-10-18 16436 Contra Costa NE corner of Lime Ridge recreation Area Mount Diablo 182 Comment
  CAS-BOT-BC267440  Eriogonum truncatum John Thomas Howell 1934-4-8 11816 Contra Costa 10 miles from Clayton on Marsh Creek road Comment
  CAS-BOT-BC267873  Eriogonum umbellatum var. bahiiforme Mary L. Bowerman 1930-6-14 328 Contra Costa Mount Diablo Comment
  JEPS108318  Eriogonum umbellatum var. bahiiforme David Gowen 2005-5-29 399 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve. Rocky area west of summit of hill 2581 (Tassajara Pk.?). Comment
  CAS-BOT-BC262345  Eriogonum vimineum Joseph Andorfer Ewan 1933-10-15 8022 Contra Costa S.W. slope Mt. Diablo Comment
  CAS-BOT-BC262349  Eriogonum vimineum Mary L. Bowerman 1931-9-12 1038 Contra Costa Mount Diablo. Mitchell Canyon, spur jutting into west fork 838 Comment
  CAS-BOT-BC262350  Eriogonum vimineum John Thomas Howell 1955-8-24 30903 Contra Costa Near summit of South Peak, Mt. Diablo 1158 Comment
  UC691662  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-30 3097 a Contra Costa Eagle Point ridge = between the two n ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point ridge 350 Comment
  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-BC300977  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-5-22 2163 Contra Costa Mount Diablo. Cave Point ridge Comment
  JEPS19402  Eriophyllum staechadifolium G. Thomas Robbins 1937-4-17 124 Contra Costa cliffs above San Francisco Bay near Point Richmond Comment
  JEPS111973  Erodium botrys D. G. Kelch 2004-4-26 04 .148 Contra Costa Point Pinole 1 Comment
  JEPS61371  Erodium botrys Miss Linda Gehringer 1914-3-29 Contra Costa Brentwood Comment
  JEPS107117  Erodium brachycarpum Barbara Ertter, Mary Bowerman et al. 1995-5-7 14044 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  JEPS100095  Erodium cicutarium G. Smick 2003-4-1 GAS 105 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC202739  Erodium macrophyllum Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC691870  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1931-4-18 728 Contra Costa basin of n.e. fork Sycamore Canyon (Mt.Diablo); , Sycamore Canyon Comment
  UC20998  Eryngium aristulatum var. aristulatum J. Burtt Davy 1900-3-24 6525 Contra Costa Santa Fe Comment
  UC21001  Eryngium articulatum J. W. Congdon Sept. 1886 Contra Costa Comment
  UCD35158  Eryngium articulatum Beecher Crampton 1950-8-22 620 Contra Costa Railroad right-of-way, Richmond. Comment
  CDA38311  Eryngium spinosepalum H. Van Brocklin 1958-6-1 s.n. Contra Costa Byron. 0 Comment
  UC1190973  Eryngium vaseyi Lincoln Constance, Reino Alava and Rimo Bacigalupi 1958-6-6 3661 Contra Costa 3 mi. s.e. Byron; San Joaquin Valley 10 Comment
  UC1745504  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  CAS-BOT-BC40764  Erysimum capitatum Alice Eastwood 1921-4-18 10285 Contra Costa Antioch. Comment
  CAS-BOT-BC40775  Erysimum capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  SJSU1509  Erysimum capitatum D. J. Thompson 1954-5-2 Contra Costa between Pinole & Pittsburg Comment
  RSA39907  Erysimum capitatum var. angustatum P. A. Munz 1947-10-8 12205 Contra Costa Antioch 8 Comment
  RSA0008585  Erysimum capitatum var. angustatum Glenn A. Gorelick 1967-4-4 s.n. Contra Costa 1.5 miles east of Antioch Comment
  UC10565  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 996 Contra Costa foothills Antioch Comment
  UC762935  Erysimum capitatum var. capitatum R. F. Hoover 1937-5-14 2111 Contra Costa Antioch sand-dunes Comment
  UC726212  Eschscholzia A. A. Heller 1938-4-9 15018 Contra Costa 3 mi sw of Antioch Comment
  CAS-BOT-BC402980  Eschscholzia californica Mary L. Bowerman 1933-5-3 1975 Contra Costa Mount Diablo. Due south of Meridian Peak summit 731 Comment
  CAS-BOT-BC402992  Eschscholzia californica L. R. Abrams 1921-5-25 8008 Contra Costa Near summit of Mt Diablo Comment
  JEPS51776  Eschscholzia californica W. L. Jepson 1907-4-27 2643 Contra Costa San Ramon Valley Comment
  UC118493  Eschscholzia californica T. S. Brandegee May 1883 Contra Costa Antioch Comment
  UC125904  Eschscholzia californica Katharine Brandegee 1908-6-16 4 Contra Costa 5 mi s Antioch Comment
  UC692105  Eschscholzia californica Mary L. Bowerman 1933-5-3 1973 Contra Costa due s Meridian Peak summit (on hillside above flat); Mount Diablo Comment
  CAS-BOT-BC91582  Eschscholzia rhombipetala K. Curran 1887-6-1 s.n. Contra Costa Antioch. Comment
  UC1789211  Eucalyptus globulus Barbara Ertter 2002-5-11 17840 Contra Costa lower Emmons Canyon just outside of Mount Diablo State Park boundary. Comment
  RSA0028906  Eucalyptus sideroxylon Barbara Ertter, Laura Fujii 1999-3-7 16483 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, near Alvarado Staging area at NW end of park, along hiking road. Comment
  JEPS1724  Eucrypta chrysanthemifolia var. chrysanthemifolia Ivar Tidestrom Jun 1895 Contra Costa Crockett Comment
  UC24008  Eucrypta chrysanthemifolia var. chrysanthemifolia Brewer 1866-1 6280 Contra Costa Mount Diablo Comment
  RSA224327  Euphorbia crenulata Paul F. Covel 1938-5-1 1496 Contra Costa Old Tunnel Road. Comment
  UC2032815  Euphorbia lathyris Doran, Andrew Scott 2012-3-20 685 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Garden waste area. Comment
  JEPS111951  Euphorbia oblongata D. G. Kelch 2004-6-6 04 .224 Contra Costa Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station 2 Comment
  UCR99454  Euphorbia oblongata L. C. Wheeler 1958-8-26 7446 Contra Costa c. 2 mi. SW of Martinez, 0.3 mi. NW of Glen Frazer on Santa Fe; apparently Franklin Canyon, 1.7 mi. west of Martinez at limit on California Route 4 Comment
  CDA4842  Euphorbia oblongata Margaret Bellue, A. Seeley Jun 1955 Contra Costa Highway 4, near Concord. 0 Comment
  SD215496  Euphorbia oblongata Louis C. Wheeler 1958-8-28 7446 Contra Costa Circa 2 miles southwest of Martinez, 0.3 miles northwest of Glen Frazer on Santa Fe, apparently Franklin Canyon. 1.7 miles west of Martinez at limit on California Route 4. Comment
  UCD142407  Euphorbia oblongata William E. Davis 1981-4-23 s.n. Contra Costa Martinez; along Franklin Creek in John Muir National Historic Site. 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
  UC2028962  Euphorbia peplus Barbara Ertter 2003-2-8 18092 Contra Costa Richmond Field Station (UC-Berkeley), weedy edge of interior open space next to Egret Drive. Comment
  UC615424  Euphorbia spathulata Beryl O. Schreiber 1932-3-27 128 Contra Costa Mountain House Comment
  CDA4939  Euthamia occidentalis D. G. Kelch 2006-9-15 6 .473 Contra Costa Carquinez Strait; Martinez. Waterfront Rd. Marina Dr. , 100 m. W of Pacheco Slough. Comment
  JEPS68932  Euthamia occidentalis Edward Lee 1934-9-30 1229 Contra Costa Moraga; just sw of station, tule swamp Comment
  RSA760667  Festuca William J. Ferlatte, L. Maynard Moe 1970-4-27 1253 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CAS-BOT-BC278272  Festuca californica J. W. Congdon 1896-5-29 s.n. Contra Costa Mt Diablo Comment
  UC692287  Festuca californica Mary L. Bowerman 1931-5-2 788 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  CAS-BOT-BC278316  Festuca californica subsp. californica Mary L. Bowerman 1935-5-30 3094 Contra Costa Mount Diablo. Between the two ridges which converge at Twin Peaks (Eagle Point ridge) 350 Comment
  CAS-BOT-BC282487  Festuca elmeri L. R. Abrams 1921-5-25 8051 Contra Costa 4 1/2 mi. from summit, Mt. Diablo Comment
  UC2028396  Festuca elmeri Barbara Ertter with Susan D'Alcamo 1998-6-12 16192 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit, NE-facing slope Comment
  UC2028409  Festuca microstachys Barbara Ertter with Richard K. Brummitt 1998-5-16 16088 Contra Costa Lower Donner Canyon on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site Comment
  JEPS127231  Festuca microstachys var. pauciflora Lowell Ahart, Josephine Guardino 2016-4-19 20792 Contra Costa 2.3 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  CDA28219  Festuca rubra A. G. Murdock, D. G. Kelch 2004-5-28 269 Contra Costa Carquinez Strait Region; Pinole Peak. Comment
  UC1795647  Festuca rubra Barbara Ertter, Brad Olson 1994-5-7 12752 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UCD66330  Festuca rubra P. B. Kennedy 1919-5-1 s.n. Contra Costa North Berkeley. Hills. Comment
  RSA93678  Filago gallica H. L. Mason 1928-4-26 4386 Contra Costa Berekeley-Oakland Hills Comment
  CAS-BOT-BC384137  Forestiera pubescens subsp. parvifolia John Thomas Howell 1933-3-29 10905 Contra Costa Canyon below Nortonville Comment
  UC691117  Fragaria vesca Mary L. Bowerman 1931-3-29 623 Contra Costa n-face East Cave Point Ridge; Mount Diablo Comment
  CAS-BOT-BC62922  Frangula californica subsp. tomentella Alice Eastwood 1915-5-30 4449 Contra Costa Mt. Diablo. Comment
  UC2027914  Frangula californica subsp. tomentella Barbara Ertter 2000-9-30 17529 Contra Costa Diablo Foothills Regional Park, Stage Road in Pine Canyon. Comment
  JEPS25153  Frankenia salina G. Thomas Robbins with John Weiler 1959-5-23 4023 Contra Costa nw extension Brooks Island (on breakwater (partly natural, partly man-made)); San Francisco Bay, Richmond Comment
  RSA518721  Frankenia salina Barbara Ertter, E. Neese 1988-10-15 7977 Contra Costa West of I-580 in El Cerrito, west side along Rydin Road north of Central Avenue. Comment
  UCD99590  Frankenia salina John Thomas Howell; Gordon H. True 1972-6-29 48919 Contra Costa on Byron Hot Springs Road southeast of Byron. Comment
  CAS-BOT-BC223393  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3103 Contra Costa Mount Diablo. First small ridge east of Mitchell-Pine divide 1005 Comment
  UC1753842  Fraxinus dipetala Annetta M. Carter, Leo Bowerman 1935-6-1 876 Contra Costa Mt. Diablo. 975 Comment
  UC2062658  Fraxinus dipetala Barbara Ertter with Alan Prather 2003-6-7 18195 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, along Valley View Trail in NE corner of park. Comment
  JEPS112503  Fritillaria affinis A. G. Murdock 2004-4-30 262 Contra Costa Vaca Canyon 165 Comment
  POM204038  Fritillaria affinis Lewis S. Rose 1934-3-7 34047 Contra Costa Mount Diablo Comment
  CAS-BOT-BC130353  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club Comment
  SEINET196591  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club. Comment
  UC13831  Fritillaria liliacea J. P. Tracy 1900-3-24 612 Contra Costa near Point Richmond (San Francisco Bay Region); San Francisco Bay Region 3 Comment
  JEPS124455  Galium andrewsii subsp. gatense Daniel Slakey with CNPS Volunteers 2015-6-13 130 Contra Costa Mt. Diablo State Park, east side of Burma Road. Comment
  JEPS52812  Galium andrewsii subsp. gatense Lauramay T. Dempster 1965-5-2 4090 Contra Costa above Bridlepath Campground; Mount Diablo 701 Comment
  JEPS7031  Galium andrewsii subsp. gatense Miss Ferguson Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS112102  Galium aparine A. G. Murdock 2004-3-19 223 Contra Costa Luzon Sycamore Ave. just east of Rodeo/Hercules where train crosses Highway 4 (Luzon) 60 Comment
  UC1039519  Galium aparine Herbert L. Mason 1932-3-20 6840 Contra Costa Antioch sand hills Comment
  UC1618054  Galium aparine Donald G. Nelson 1937-3-30 469 Contra Costa along Marsh Creek Rd. between Clayton and Byron Comment
  HSC19785  Galium aparine Greg Bos 1963-4-20 86 Contra Costa Pinole Valley Rd., SE of Pinole Flat Meadow area 76 Comment
  UC691534  Galium californicum subsp. californicum Mary L. Bowerman 1931-5-21 883 Contra Costa ridge w Curry-Cave Point Trail; Mount Diablo 533 Comment
  UCSB6254  Galium nuttallii subsp. nuttallii Keator, Glenn 1959-7-1 Contra Costa Laurel camp on Mt. Diablo Comment
  JEPS75526  Galium porrigens var. porrigens P. F. Yorks 1975-6-10 434 Contra Costa on Hampton Rd ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  CAS-BOT-BC303366  Gamochaeta ustulata Mary L. Bowerman 1942-6-1 3846 Contra Costa Mt Diablo. Lower Rock City Camp Comment
  CAS-BOT-BC200633  Garrya elliptica H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  JEPS77009  Garrya elliptica Robert M. Lloyd 1963-3-17 2137 Contra Costa across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive, on Skyline Drive, Huckleberry Trail); Skyline Drive, Huckleberry Trail Comment
  UC1122635  Garrya elliptica R. W. Lundh 1933-1-12 187 Contra Costa 0.5 mi s Round Mountain; Concord Quad. 609 Comment
  UC565414  Garrya elliptica Chas. M. Belshaw 1935-12-26 1420 Contra Costa upper Redwood Canyon; Oakland and Berkeley Hills Comment
Read comments
Aug 9 2011
  UC634816  Garrya elliptica H. L. Mason 1925-9-12 2223 Contra Costa head of San Leandro Creek Canyon; Oakland Hills Comment
  CAS-BOT-BC200622  Garrya elliptica Alice Eastwood 1907-7-1 s.n. Contra Costa Berkeley Hills Comment
  CAS-BOT-BC200627  Garrya elliptica Mary L. Bowerman 1933-3-11 1746 Contra Costa Fossil Ridge, knoll south of 1778 point Comment
  CAS-BOT-BC178550  Garrya flavescens H. E. McMinn 1922-6-13 230 Contra Costa Unspecified Comment
  CDA9420  Gastridium ventricosum D. G. Kelch 2004-5-3 4 .152 Contra Costa Carquinez Strait; Mt Wanda, Martinez. 0 Comment
  UC691264  Gastridium ventricosum Mary L. Bowerman 1932-11-19 1664 Contra Costa Alder Spring (Mountain Springs Canyon--In 1936 beneath fire trail e from Pioneer Camp) Mount Diablo; , Alder Spring Comment
  UC692392  Gastridium ventricosum Mary L. Bowerman 1933-5-25 2190 Contra Costa Oyster Ridge, w end of s face Mount Diablo; , Oyster Ridge, w end of s face 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
  JEPS112350  Genista monspessulana Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .077 Contra Costa Crockett - Crolona Heights, County: Contra Costa; Crockett: W base of Crolona heights. Comment
  CDA29060  Geranium molle D. G. Kelch 2006-5-7 6 .154 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS111980  Geranium molle D. G. Kelch 2003-3-21 03 .68 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive 40 Comment
  UCD103444  Geranium molle Helen K. Sharsmith 1962-4-18 4956 Contra Costa Reliez Valley Road. 152 Comment
  RSA0029580  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills east of Berkeley, restoration site northeast of junction of Grizzly Peak Boulevard and Golf Course drive. Comment
  JEPS69431  Gilia achilleifolia subsp. achilleifolia W. L. Jepson 1899-4-19 15066 Contra Costa Las Trampas Ridge Comment
  JEPS75513  Gilia achilleifolia subsp. achilleifolia P. F. Yorks 1974-4-28 141 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
  UC880124  Gilia achilleifolia subsp. multicaulis Lewis S. Rose 1941-5-15 41231 Contra Costa w slope Mount Diablo; w slope Mount Diablo 396 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
  UC963984  Gilia achilleifolia subsp. multicaulis R. F. Hoover 1941-4-11 4831 Contra Costa Marsh Creek Canyon Comment
  SEINET12278771  Gilia capitata H. M. Hall 1901-1 s.n. Contra Costa Region of San Francisco Bay, Mt. Diablo Comment
  UC913387  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa hills e Antioch (bordering San Joaquin River); , e of Antioch Comment
  RSA79449  Gilia capitata subsp. staminea E. K. Crum 1936-4-5 1746 Contra Costa South Coast Ranges, 2 miles W of Bryon 46 Comment
  RSA83089  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1947-4-13 7925 Contra Costa By railroad tracks east of Antioch. Comment
  RSA84900  Gilia capitata subsp. staminea G. Thomas Robbins 1940-5-19 323 Contra Costa on hills bordering the San Joaquin River e. g. Antioch Comment
  UC691671  Gilia clivorum Mary L. Bowerman 1931-3-21 604 Contra Costa e end Fossil Ridge , Fossil Ridge, e end (Mount Diablo) Comment
  UC2028156  Gilia clivorum Barbara Ertter 1998-4-4 15955 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UCSB5069  Gilia clivorum Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Head of Pine Canyon; Mount Diablo 533 Comment
  RSA63722  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  CDA6044  Gnaphalium luteoalbum A. G. Murdock, D. G. Kelch 2004-6-4 314 Contra Costa Carquinez Strait Region; Martinez - Train Station. Comment
  UC32009  Gnaphalium palustre W. H. Brewer 1862-5-26 1172 Contra Costa near Mount Diablo Comment
  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
  SEINET3150085  Godetia purpurea L. S. Rose 1938-5-8 38224 Contra Costa Antioch 15 Comment
  CAS-BOT-BC305226  Grindelia hirsutula Lewis S. Rose 1930-7-22 s.n. Contra Costa Antioch Bridge Comment
  CAS-BOT-BC305234  Grindelia hirsutula L. R. Abrams 1916-6-30 5713 Contra Costa Mt. Diablo Comment
  JEPS46451  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond Comment
  JEPS89200  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond Comment
  UC520431  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-7 3683 Contra Costa 6 mi w Tracy 50 Comment
Read comments
Apr 12 2009
  CAS-BOT-BC305221  Grindelia hirsutula J. T. Howell 1930-9-28 5496 Contra Costa Liberty School on Marsh Creek Road Comment
  SEINET10724143  Grindelia hirsutula John T. Middleton Middleton s.n. Contra Costa Seaside, Richmond. Comment
  UCR197912  Grindelia robusta Beecher Crampton 1950-6-20 594 Contra Costa Richmond, south of Cutting Boulevard, immediately adjacent to Carlson Boulevard, north of Stege Ave. 15 Comment
  UC10960  Guillenia flavescens unknown 1865-1 Contra Costa Mt. Diablo region Mt. Diablo Comment
  UC691138  Guillenia flavescens Mary L. Bowerman 1935-4-12 2823 Contra Costa 2 mi from North Road entrance (just n of the road); Mount Diablo Comment
  UC691080  Guillenia lasiophylla Mary L. Bowerman 1935-4-22 2892 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 853 Comment
  UC691088  Guillenia lasiophylla Mary L. Bowerman 1933-4-26 1924 Contra Costa ese of North Peak ridge peak; Mount Diablo 609 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
  CAS-BOT-BC304582  Gutierrezia californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC304579  Gutierrezia californica John Thomas Howell 1929-9-21 4394 Contra Costa Marsh Creek Road 10 1/2 miles se. of Clayton Comment
  UCD132631  Gutierrezia californica Peter Rubtzoff 1954-9-14 1750 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  JEPS127667  Hainardia cylindrica Barbara Ertter with David Gowen and Michael Park 2017-5-2 22814 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  CAS-BOT-BC282858  Hainardia cylindrica E. E. Stanford 1930-5-16 1485 Contra Costa Near Old River Comment
  UC2028110  Hainardia cylindrica Barbara Ertter with Christopher Baysdorfer 1998-5-10 16112 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, of Ohlone Trail. Comment
  UC1050012  Hebe speciosa N. Floy Bracelin 1941-8-3 1537 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  RSA721367  Hedera helix Barbara Ertter 1994-10-23 13915 Contra Costa Southwest El Cerrito, north edge Breuner s parking lot, northwest Albany Hill. Comment
  UC1795861  Hedera helix Barbara Ertter 1994-10-23 13915 Contra Costa Southwest El Cerrito, north edge Breuner's parking lot, northwest of Albany Hill. Comment
  SBBG122850  Hedypnois cretica B. Ertter 1994-5-23 12809 Contra Costa end of Rydin Rd, Pt Isabel at S end of Richmond Comment
  RSA721203  Hedypnois cretica Barbara Ertter, Mary L. Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southwest of Walnut Creek, at west base Mt.Diablo; near Indian Valley School entrance. 91 Comment
  UC1795793  Hedypnois rhagadioloides Barbara Ertter, Mary Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present). 91 Comment
  CAS-BOT-BC305325  Helianthella castanea John Thomas Howell 1933-5-14 11282 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC305329  Helianthella castanea L. R. Abrams 1921-5-25 8028 Contra Costa At summit, Mt. Diablo Comment
  POM52002  Helianthella castanea H. M. Hall 1916-5-31 10137 Contra Costa Mount Diablo, north slope of summit 1159 Comment
  UC521719  Helianthus californicus Joseph Andorfer Ewan 1933-10-15 8037 Contra Costa sw slope Mount Diablo (along open creek bed or burned area) Comment
  UC1795662  Helianthus californicus Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14628 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
  CHSC39256  Heliotropium curassavicum Thomas B. Croat 1966-6-18 1987 Contra Costa Frank's Tract, Bethel Island; 7 miles W of Oakley, Lakeside and marsh. Comment
  UC1063893  Heliotropium curassavicum H. S. Yates 1934-9-2 4073 Contra Costa 1 mi. n.e. Danville; Mt. Diablo Quad. 450 Comment
  CHSC75063  Helminthotheca echioides Roger Thom 1987-5-28 26 Contra Costa 3300 block of Johnson Rd. 0.3 mi from intersection with Reliez Valley Rd. Lafayette. Edge of pasture. 137 Comment
  UC697141  Helminthotheca echioides Mary L. Bowerman 1936-10-24 3583 Contra Costa Mount Diablo, North Road 131 Comment
  UC201228  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-20 Contra Costa Giant 7 Comment
  UC201235  Hemizonia congesta subsp. lutescens H. M. Hall 1914-8-23 9860 Contra Costa 2 km nw San Pablo 15 Comment
  CAS-BOT-BC306262  Hemizonia congesta subsp. lutescens H. M. Hall 1916-10-14 10282 Contra Costa Region of San Francisco Bay. Selby Comment
  UC990637  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-25 Contra Costa Walnut Creek Comment
  CAS-BOT-BC314855  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa Sycamore Valley west of Sycamore Creek, Mount Diablo Comment
  CAS-BOT-BC314859  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-7-7 1740 Contra Costa 10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County Comment
  UC990629  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-24 Contra Costa San Ramon Road above Hayward (canyon) Comment
  SEINET7883352 Image available Hemizonia heermannii L. S. Rose 1941-1 41465 Contra Costa 1 mi E of Walnut Creek Comment
  CAS-BOT-BC33236  Hemizonia kelloggii Albert Kellogg 1870-4-22 s.n. Contra Costa near Antioch Comment
  RSA103865  Hemizonia kelloggii M. K. Curran 1886-04 95 Contra Costa Antioch. Comment
  POM194887  Hemizonia lutescens H. M. Hall 1914-8-23 9860 Contra Costa San Pablo 9 Comment
  SEINET7883353 Image available Hemizonia obconica L. S. Rose 1941-1 41466 Contra Costa 6 mi W of Byron, on Marsh Creek Rd Comment
  CHSC21758  Heracleum lanatum Carol Getzinger 1964-4-26 52 Contra Costa Arlington Boulevard at Cutting Boulevard. 30 Comment
  JEPS111598  Heracleum lanatum A. G. Murdock 2004-4-30 260 Contra Costa Vaca Canyon 165 Comment
  CAS-BOT-BC310161  Hesperevax caulescens Dr. A. Kellogg; W. G. W. Harford 1868-1-1 419 Contra Costa Antioch Comment
  RSA755660  Hesperevax sparsiflora Barbara Ertter 1991-5-5 9784 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, along spur road from Black Diamond Trail on ridge southeast of Coal Canyon 427 Comment
  UC1949316  Hesperevax sparsiflora Barbara Ertter 1991-5-5 9784 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, along spur road from Black Diamond Trail on ridge SE of Coal Canyon Comment
  UC88275  Hesperevax sparsiflora var. sparsiflora M. K. Curran May 1886 Contra Costa Antioch Comment
  UC2027820  Hesperevax sparsiflora var. sparsiflora Barbara Ertter with Stu Garrett 1997-3-29 15536 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  RSA445902  Hesperocnide tenella Joseph A. Ewan 1936-7-5 9731 Contra Costa Wildcat Creek. Comment
  UC2028049  Hesperocnide tenella Barbara Ertter 1998-2-15 15913 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, outcrops on north side of Joaquin Ridge south of Indian Creek, +/- wooded. Comment
  CAS-BOT-BC167429  Hesperolinon breweri Robert F. Hoover 1939-5-20 4106 Contra Costa Head of Markley Canyon Comment
  CAS-BOT-BC167430  Hesperolinon breweri Volney Rattan 1886-6-1 s.n. Contra Costa Mt Diablo Comment
  CAS-BOT-BC167442  Hesperolinon breweri Herbert L. Mason 1936-6-14 s.n. Contra Costa Ridge running south of Mount Diablo, head of Marsh Creek Comment
  UC1212211  Hesperolinon breweri Helen K. Sharsmith 1947-6-2 3947 Contra Costa 0.6 mi from summit of Clayton-Tassajaro-Livermore road (at headwaters of creek); Mount Diablo, Marsh Creek 304 Comment
  JEPS122859  Hesperolinon californicum Adam C. Schneider with C. Matt Guilliams 2014-5-29 444 Contra Costa Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail. Comment
  UC692699  Hesperolinon californicum Mary L. Bowerman 1931-5-21 886 Contra Costa w Cave Point; Mount Diablo 579 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
  UCR168521  Hesperolinon micranthum J. T. Howell 1931-5-12 6472 Contra Costa Central Western; San Francisco Bay area, Nortonville 488 Comment
  SBBG21359  Heteromeles arbutifolia V. Haraden 1941-7-18 12 Contra Costa near Nortonville 121 Comment
  CAS-BOT-BC318822  Heterotheca grandiflora Walter Knight 1965-3-1 907 Contra Costa Antioch Dunes Comment
  JEPS20381  Heterotheca grandiflora Joseph P. Tracy 1932-9-10 10783 Contra Costa e of Pinole (on Franklin Canyon Road); Rodeo Creek 91 Comment
  JEPS20390  Heterotheca grandiflora W. L. Jepson 1923-10-4 10226 Contra Costa Antioch Comment
  UC1584840  Heterotheca grandiflora Jerry Powell 1990-3-9 1574 Contra Costa Antioch National Wildlife Refuge Comment
  UC727697  Heterotheca grandiflora Milo S. Baker 1946-9-3 11575 Contra Costa n of Antioch (delta region ot the Sacramento and San Joaquin Rivers); Sacramento River, San Joaquin River Comment
  UC2028022  Heterotheca sessiliflora subsp. echioides Barbara Ertter 1997-9-14 15812 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  CAS-BOT-BC26197  Heterotheca sessiliflora var. bolanderioides J. C. Semple; B. Suripto; T. Ahmed 1990-8-16 9339 Contra Costa Charles Tilden Reg. Park, Vollmer Peak Comment
  SEINET10797453 Image available Heterotheca sessiliflora var. bolanderioides John C. Semple 1993-8-16 Semple 9339 Contra Costa Charles Tilden Reg. Park, Vollmer Peak. Comment
  UC692351  Heuchera micrantha var. erubescens Mary L. Bowerman 1931-4-18 718 Contra Costa Sycamore Canyon 335 Comment
  CAS-BOT-BC424187  Heuchera micrantha var. hartwegii Alice Eastwood 1923-5-4 11706 Contra Costa Mt Diablo Comment
  CAS-BOT-BC203381  Hibiscus lasiocarpos var. occidentalis Vincent Jones 1920-8-29 s.n. Contra Costa Orwood Comment
  CAS-BOT-BC55300  Hirschfeldia incana John Thomas Howell; Gordon H. True 1972-6-29 48929 Contra Costa Byron Hot Springs Road southeast of Byron. Comment
  JEPS129820  Holcus lanatus Dean G. Kelch and Andrew G. Murdock 2005-6-24 05 .386 Contra Costa Crockett - 5th St. Prairie. Comment
  JEPS129821  Holcus lanatus Dean G. Kelch 2006-6-23 06 .320 Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Comment
  UCD84891  Holcus mollis David L. Hanson 1978-3-7 s.n. Contra Costa Contra Costa County. Comment
  UC1069572  Holocarpha heermannii H. S. Yates 1934-9-2 4085 Contra Costa 2 mi s Mt. Diablo; Mt. Diablo Quadrangle Comment
  UC1619971  Holocarpha heermannii Barbara Ertter 1990-9-10 9641 Contra Costa Briones Hills s of Martinez (throughout Briones Regional Park); Briones Regional Park, Briones Hills Comment
  CAS-BOT-BC325841  Holocarpha heermannii L. R. Abrams 1910-10-8 4337 Contra Costa Green Valley, Mt. Diablo 304 Comment
  RSA136762  Holocarpha heermannii J. T. Howell 1955-8-24 30901 Contra Costa Near Diablo County Club, south base of Mt. Diablo. Comment
  RSA298252  Holocarpha heermannii Joseph A. Ewan 1933-10-15 8045 Contra Costa South slope of Mt. Diablo 1067 Comment
  RSA81664  Holocarpha heermannii James I. McMurphy 1909-9-25 s.n. Contra Costa Below Alamo. Comment
  SJSU7098  Holocarpha macradenia D. J. Powers 1974-10-6 1001 B Contra Costa 100-300' E of Interstate Hwy 80 & 100-300 yards S of Appian Way, Pinole Comment
  CAS-BOT-BC320220  Holocarpha macradenia Walter Knight; Irja Knight 1978-8-8 3101 Contra Costa On s.e. corner of Interstate 80 and Appian Way. [1 mi. n. of El Sobrante] Comment
  CAS-BOT-BC320252  Holocarpha obconica R. F. Hoover 1965-9-24 9649 Contra Costa Foothills west of Byron, between Kellogg and Marsh Creeks 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
  JEPS25273  Holocarpha obconica G. Thomas Robbins 1959-9-6 4160 Contra Costa 0.6 mi e of junction with Marsh Creek Road; Vasco Road 70 Comment
  UC897734  Holocarpha obconica Lewis S. Rose 1938-10-28 38309 Contra Costa 8 mi w Byron; Marsh Creek 60 Comment
  CAS-BOT-BC320239  Holocarpha obconica L. R. Abrams 1917-9-13 6723 Contra Costa Patterson Pass - east side Comment
  CAS-BOT-BC320243  Holocarpha obconica David D. Keck 1933-11-2 2621 Contra Costa Deer Valley, 1/2 mi. S. of road to Brentwood Comment
  CAS-BOT-BC320248  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa On the Marsh Creek Road, 5.4 miles from Byron Comment
  OBI16051  Holocarpha obconica G. Thomas Robbins 1959-9-6 4160 Contra Costa Along Camino Diablo, W of Vasco rd, 0.6 mi E of jctn with Marsh Crk rd 70 Comment
  CAS-BOT-BC320324  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320331  Holocarpha virgata Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC702534  Holocarpha virgata subsp. virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi w Byron 33 Comment
  JEPS112080  Holodiscus discolor D. G. Kelch 2003-8-13 03 .125 Contra Costa Vaca Canyon 165 Comment
  UC1127988  Holodiscus discolor R. C. Wilson 1935-3-19 141 Contra Costa 1 mi se of Wall Point (Quadrangle Mount Diablo); Quadrangle Mount Diablo 426 Comment
  UCD159359  Holozonia filipes D. S. Park 2010-6-22 144 Contra Costa Wildwood canyon, along trailside. Grassland. Abundant. 97 Comment
  POM181460  Hordeum depressum I. L. Wiggins 1900-4-7 4569 Contra Costa 2 mi. east of Mountain House on road to Byron. Comment
  UC650563  Hordeum depressum Ira L. Wiggins 1930-4-17 4569 Contra Costa E of Mountain House (on road to Byron) Comment
  CAS-BOT-BC284991  Hordeum depressum Niall McCarten; V. I. Dains 1986-6-1 0413748 114 Contra Costa E. of Byron Hot Springs Rd., East Contra Costa County Comment
  CDA9385  Hordeum jubatum D. G. Kelch 2000-4-9 0 .141 Contra Costa 2 miles S of Byron in field N of Holey Road. 0 Comment
  CDA15241  Hordeum marinum subsp. gussoneanum G. F. Hrusa, D. Crowe 1998-5-8 14372 Contra Costa Sacramento Delta; Formerly disturbed, low poorly drained depression on Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Dense colony surrounding lowest part of depression. Site now dry, appar. wet earlier, appears alkaline. Annual. Comment
  CDA32929  Hordeum marinum subsp. gussoneanum D. G. Kelch 2009-5-24 9 .301 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  UC55039  Hordeum marinum subsp. gussoneanum Jos. Burtt Davy 1898-4-8 4253 Contra Costa Danville Comment
  UC691196  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1933-5-11 2086 Contra Costa Inner Black Hills w of saddle , Inner Black Hills w of saddle (Mount Diablo) Comment
  UC692426  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1931-5-13 846 Contra Costa Pine Canyon floor slightly more than a mi above the Sulphur Spring (Mount Diablo); , Pine Canyon Floor Comment
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCD85917  Hordeum murinum subsp. glaucum A. A. Beetle 1942-3-22 2924 Contra Costa Taber Island. Small island off NW side of Brooks Island in San Francisco Bay. Comment
Read comments
Aug 20 2011
  JEPS129819  Hordeum murinum subsp. leporinum Dean G. Kelch and Andrew G. Murdock 2003-3-28 03 .081 Contra Costa Rodeo-Lone Tree Point. Comment
  CAS-BOT-BC284890  Hordeum murinum subsp. leporinum R. E. Frenkel 1964-2-25 382 Contra Costa North of Marsh Creek Road, 1/4 mile west of junction with Walnut Blvd. 33 Comment
  RSA123439  Hordeum murinum subsp. leporinum R. W. Lundh 1933-4-17 229 Contra Costa Bolinas Creek 152 Comment
  UC691094  Horkelia californica subsp. dissita Mary L. Bowerman 1932-11-25 1666 Contra Costa Mount Diablo, Silver Spring Comment
  JEPS112088  Horkelia californica subsp. frondosa D. G. Kelch 2004-5-2 04 .164 Contra Costa Crockett - Edwards Canyon 125 Comment
  UC1619916  Hydrocotyle verticillata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10863 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  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
  UC1301035  Hypochaeris glabra Helen K. Sharsmith 1962-4-18 4944 Contra Costa 60 Comment
  UC2028113  Hypochaeris glabra Barbara Ertter with Christopher Baysdorfer 1998-5-10 16108 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, roadside not far from Valley Vista trailhead. Comment
  UC691451  Hypochaeris glabra Mary L. Bowerman 1933-5-8 2035 Contra Costa Comment
  UC691776  Hypochaeris glabra Mary L. Bowerman 1933-5-25 2184 Contra Costa 411 Comment
  RSA762307  Hypochaeris radicata William J. Ferlatte, L. M. Moe 1970-4-27 1252 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UCD133458  Hypochaeris radicata Goodwin-Bellue 1932-5-6 s.n. Contra Costa exact location unknown. Comment
  UC1005861  Ilex aquifolium N. Floy Bracelin 1944-5-13 2690 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1304178  Iris douglasiana Leo Brewer 1965-5-4 Contra Costa ridge w Siesta Valley (w-facing side of ridge, exposed to fog from Golden Gate, on county line between Contra Costa and Alameda counties) 441 Comment
  IRVC14051  Iris douglasiana J. Lanier 1967-5-14 s.n. Contra Costa Tilden Park. Comment
  UCD138695  Iris longipetala L. S. Kimsey 1996-5-2 s.n. Contra Costa Wildcat Canyon. Comment
  UC692078  Isoetes howellii Mary L. Bowerman 1935-7-22 3187 Contra Costa s. side Meridian Peak (Hidden Pond); Mt. Diablo, Hidden Pond 518 Comment
  UC692080  Isoetes howellii Mary L. Bowerman 1935-6-28 3166 Contra Costa Chase Pond s. of summit Mt.Diablo (by Old Government trail, e. side of pond); , Chase Pond 548 Comment
  JEPS78631  Isolepis cernua Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3306 Contra Costa Botany Cove Browns Island, Botany Cove Comment
  JEPS111671  Iva axillaris D. G. Kelch 2003-3-28 03 .84 Contra Costa Rodeo - Lone Tree Point 2 Comment
  CAS-BOT-BC324753  Iva axillaris Morris Halperin 1930-5-20 s.n. Contra Costa Hoffman Ranch, Brentwood Comment
  UC1050492  Jovellana violacea N. Floy Bracelin 1942-5-24 1412 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS8845  Juglans californica var. hindsii Rimo Bacigalupi with C. Ritchie Bell 1951-4-13 3253 Contra Costa along creek 1 1/4 mi ne St. Mary's College; Los Trampas Creek 167 Comment
  CAS-BOT-BC102305  Juglans hindsii Barrett Anderson 1987-4-30 3486 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  JEPS100044  Juglans regia G. Smick 2003-5-30 GAS 209 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC109898  Juncus Walter Knight; Lawrence Heckard; Bert Johnson 1978-9-28 3276 Contra Costa Sierra Nevada. Browns Island, Alder Point. Comment
  UCD146718  Juncus ambiguus G. F. Hrusa; D. Crowe 1998-5-8 14365 Contra Costa Sacramento-San Joaquin River Delta. Near San Joaquin River shore within Dow Chemical Property at Pittsburg. 10 Comment
  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
  UCD141335  Juncus balticus subsp. ater Ann F. Johnson 1978-5-26 AN- 29 Contra Costa San Jaoquin River, PG and E site, Antioch Dunes. Comment
  UCD141351  Juncus balticus subsp. ater M. Wiesendanger 1926-5-1 1472 Contra Costa near Richmond. Comment
  JEPS111070  Juncus bufonius var. bufonius Lee Echols 2003-6-3 s.n. Contra Costa N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  UC1795731  Juncus bufonius var. bufonius Barbara Ertter, Kristin Ertter 1995-7-11 14472 Contra Costa Sulfur Spring on Pine Cr, Diablo Foothills Regional Park SW of Walnut Creek, marshy wet ground. 121 Comment
  UC1819013  Juncus bufonius var. bufonius Barbara Ertter, Mary Bowerman et al. 1995-5-7 14040 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
  JEPS111067  Juncus bufonius var. congestus Lee Echols 2003-4-15 s.n. Contra Costa S of Lark Drive and N of EPA Building, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  UC1818867  Juncus bufonius var. congestus Barbara Ertter, Kristin Ertter 1995-7-11 14476 Contra Costa Sulfur Spring on Pine Cr, Diablo Foothills Regional Park SW of Walnut Creek; marshy wet ground. 121 Comment
  CDA15268  Juncus mexicanus G. F. Hrusa, D. Crowe 1998-5-8 14399 Contra Costa Sacramento Delta; Drainage ditch parallel to Antioch-Pittsburg Hwy, at E end of Dow Chemical property. Comment
  SEINET3880409  Juncus nevadensis Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4980 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  JEPS25120  Juncus occidentalis G. Thomas Robbins 1959-4-18 3986 Contra Costa about 0.5 mi e Pt. San Pablo (overlooking San Pablo Bay); San Pablo Bay 7 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
  UCD141766  Juncus patens M. Wiesendanger 1926-5-1 1465 Contra Costa near Richmond. Comment
  JEPS102895  Juncus phaeocephalus var. paniculatus Barbara Ertter 1998-5-3 16061 Contra Costa below Stage Road SE of Turtle Rock ponds Mount Diablo 304 Comment
  JEPS111078  Juncus phaeocephalus var. paniculatus Lee Echols 2003-6-2 s.n. Contra Costa N of Lark Drive in SW portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  JEPS112444  Juncus tenuis D. G. Kelch 2003-4-3 03 .366 Contra Costa Cummings Skyway 115 Comment
  JEPS112456  Juncus tenuis D. G. Kelch 2005-3-24 05 .50 Contra Costa Pt. Pinole near wharf 2 Comment
  UC691979  Juncus xiphioides Mary L. Bowerman 1933-6-21 2337 Contra Costa Donner Canyon Mount Diablo 335 Comment
  UC1818996  Juncus xiphioides Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14630 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
  UC1819019  Juncus xiphioides Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14673 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
  UCR168453  Juniperus californica Joseph A. Ewan 1933-10-15 8038 Contra Costa Coast Range, Mount Diablo, southwest slope 1067 Comment
  NY21017  Juniperus californica L. S. Rose 1934-2-28 34043 Contra Costa W slope of Mt Diablo Comment
  CAS-BOT-BC235871  Keckiella corymbosa A. D. E. Elmer 1903-7-1 4956 Contra Costa Mt. Diablo Comment
  POM156900  Keckiella corymbosa A. D. E. Elmer 1903-07 4956 Contra Costa Mount Diablo Comment
  UCSB6170  Keckiella corymbosa Keator, Glenn 1959-7-1 Contra Costa 1/4 mile above Laurel camp on Mt. Diablo Comment
  JEPS41062  Koeleria macrantha Rimo Bacigalupi and L. R. Heckard 1965-5-11 9083 Contra Costa San Francisco Bay Brooks Island (sw of Richmond); , Brooks Island 30 Comment
  SEINET186056 Image available Koeleria macrantha V. E. Long 1933-6-14 223 a Contra Costa Mt. Diablo 457 Comment
  UC692395  Koeleria macrantha Mary L. Bowerman 1933-5-3 1983 Contra Costa Alder Creek Canyon Mount Diablo; , Alder Creek Canyon 731 Comment
  UCD38576  Koeleria macrantha Beecher Crampton 1956-5-14 3394 Contra Costa 3.7 miles southeast of Clayton. Comment
  UCD85839  Koeleria macrantha P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  POM300737  Koeleria macrantha Mary L. Bowerman 1935-5-8 2974 a Contra Costa Knoll on spur south of Pioneer Camp. (20 feet higher than the upper edge of the chaparral) 762 Comment
  CAS-BOT-BC273613  Koeleria pyramidata Mary L. Bowerman 1933-5-3 1983 Contra Costa Mount Diablo. Indian Ceremonial Canyon 731 Comment
  CAS-BOT-BC273618  Koeleria pyramidata Walter Knight 1972-4-1 s.n. Contra Costa Mallard Slough between Port Chicago and Pittsburg Comment
  UC691780  Lactuca serriola Mary L. Bowerman 1932-9-24 1591 Contra Costa ridge running w from Twin Peaks; Mount Diablo 335 Comment
  CAS-BOT-BC340695  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa Pinehurst Canyon, Oakland Hills Comment
  CAS-BOT-BC340699  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon 243 Comment
  UC691444  Lactuca virosa J. T. Howell 1942-7-1 17040 Contra Costa 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
  JEPS99544  Lamium amplexicaule Mary Bowerman 1991-4-13 Contra Costa Mount Diablo. Frog Pond fire road between Sloan Rd. (Curry Canyon Rd.) and Sheepherder Spring & Pond. Comment
  UC14012  Lastarriaea coriacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS105733  Lastarriaea coriacea David Gowen 2004-5-1 56 Contra Costa Lime Ridge Open Space. Ridge trail in the north section of the park and south of the water tank. Comment
  CAS-BOT-BC337976  Lasthenia californica Alice Eastwood 1914-3-14 3786 Contra Costa Byron Springs Comment
  CDA8107  Lasthenia californica D. G. Kelch 1992-3-21 1827 -A Contra Costa 2.5 mi. SE of Byron; along RR tracks, N of junction of Holey Rd. and Byron Hwy. 0 Comment
  JEPS10005  Lasthenia californica subsp. californica W. L. Jepson 1917-4-14 6864 Contra Costa Oakland Hills Comment
Read comments
Nov 18 2007
  JEPS10187  Lasthenia californica subsp. californica W. L. Jepson 1923-4-22 9874 Contra Costa open hillsides and slopes Mount 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
  JEPS25123  Lasthenia californica subsp. californica G. Thomas Robbins 1959-4-18 3989 Contra Costa hillslopes above and about 1/2 mi e Pt. San Pablo; Richmond 30 Comment
  JEPS106453  Lasthenia conjugens Barrett Anderson with Thomas Scofield 1995-4-25 4553 Contra Costa Along Hwy 4 approx. 2.38 km E of Interstate 80--Hwy 4 interchange near Rodeo, along Rodeo Creek. Comment
  JEPS18328  Lasthenia conjugens E. L. Greene 1887-4-1 Contra Costa Antioch Comment
  UC194264  Lasthenia conjugens Edward Lee Greene 1887-4-16 Contra Costa Antioch Comment
  RSA537664  Lasthenia ferrisiae Barbara Ertter, Jokerst, D. Magney 1989-4-5 8124 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  UC1051497  Lasthenia fremontii Herbert L. Mason 1952-4-14 Contra Costa 3.5 mi s Byron Comment
  CAS-BOT-BC353335  Lasthenia fremontii Ira L. Wiggins 1930-4-17 4579 Contra Costa Roadside 0.25 mi. S of Byron. Comment
  POM181483  Lasthenia fremontii I. L. Wiggins 1930-4-17 4579 Contra Costa 1/4 mi. S. of Byron Comment
  UC1598597  Lasthenia glaberrima A. D. E. Elmer 1903-5-1 4321 Contra Costa Walnut Creek Comment
  POM301039  Lasthenia glaberrima Mary L. Bowerman 1935-6-21 3153 Contra Costa Mount Diablo: South of Turtle Rock, pool east of main pond Comment
  UC2070484  Lasthenia glaberrima Barbara Ertter with Joanne Kerbavaz and Alan Whittemore 2003-6-11 18215 Contra Costa Turtle Rock Ponds on east side Pine Creek, below Diablo Ranch on west side Mount Diablo. Comment
  UCD32417  Lasthenia glaberrima Beecher Crampton 1950-5-10 573 Contra Costa Contra Costa County, 1 mile north of Richmond, along Santa Fe tracts. 10 Comment
  UCD23266  Lasthenia glabrata Ramona Robison 2003-4-17 s.n. Contra Costa The Pantages property is located in Contra Costa County, north of Highway 4, west of Discovery Bay subdivision and Kellogg Creek, and immediately east of the end of Point of Timber Road. It is on the Woodward Island topographic quad. Comment
  JEPS17268  Lasthenia glabrata subsp. glabrata R. F. Hoover 1936-4-16 974 Contra Costa e slope Bald Peak Comment
  CAS-BOT-BC352802  Lasthenia glabrata subsp. glabrata Dr. A. Kellogg 1887-1-1 s.n. Contra Costa Mount Diablo: Mitchell-Pine divide, northernmost 2750 ft. point 838 Comment
  POM301000  Lasthenia glabrata subsp. glabrata Mary L. Bowerman 1933-5-5 2000 Contra Costa Alamo Canyon, toward mouth. 305 Comment
  UC30435  Lasthenia gracilis Jos. Burtt Davy 1895-4-7 891 Contra Costa Antioch Comment
  UC566713  Lasthenia gracilis H. L. Mason 1929-3-31 5147 Contra Costa Briones Valley Comment
  UC1363828  Lasthenia microglossa Robert Ornduff 1958-3-22 4807 Contra Costa ca 0.75 mi sw end Mitchell Canyon Road (base of Mitchell Rock, above Mitchell Creek); Mount Diablo, Mitchell Creek, Mitchell Rock Comment
  UC1301068  Lasthenia minor Helen K. Sharsmith 1963-4-7 5297 Contra Costa near Byron 7 Comment
  JEPS9811  Lasthenia minor Anna E. Ehlers 1920-4-18 557 Contra Costa near Mt. Diablo; Pine Canyon Comment
  SEINET10487284  Lathyrus sulphureus John G. Lemmon 1878-4-28 Lemmon s.n. Contra Costa Comment
  CDA23105  Lathyrus vestitus D. G. Kelch, D. A. Weinstein 2008-4-25 8 .085 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  JEPS55376  Lathyrus vestitus var. vestitus W. L. Jepson 1925-4-26 10692 Contra Costa Black Hills Mt. Diablo Comment
  UC85314  Lathyrus vestitus var. vestitus C. F. Baker 1903-4-28 2944 Contra Costa Mitchell Canyon Mt. Diablo Comment
  UC964777  Lathyrus vestitus var. vestitus Herbert L. Mason 1931-4-5 5829 Contra Costa road between Marsh Creek and Livermore Comment
  UC1618178  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline Comment
  UC1543175  Layia chrysanthemoides Donald G. Nelson 1937-3-30 475 Contra Costa Railroad tracks, paralleling the highway s Byron (on road to Tracy) Comment
  UC30597  Layia chrysanthemoides J. Burtt Davy 1895-4-7 947 Contra Costa Antioch Comment
  UC89156  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  CAS-BOT-BC321764  Layia gaillardioides Alice Eastwood 1915-5-30 4485 Contra Costa Mt. Diablo Comment
  UC697168  Layia gaillardioides Mary L. Bowerman 1935-4-17 2847 Contra Costa west road, = North Rd., 2 mi from entrance Mount Diablo 335 Comment
  UC89223  Layia gaillardioides M. K. Curran Contra Costa Mt. Diablo Comment
  CAS-BOT-BC321745  Layia gaillardioides Dr. A. Kellogg no date on label s.n. Contra Costa Mt. Diablo Comment
  JEPS40029  Layia glandulosa H. L. Mason 1932-3-20 Contra Costa Antioch Comment
  UC761860  Layia glandulosa R. F. Hoover 1935-3-10 315 Contra Costa Antioch Comment
  UC468839  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Comment
  RSA34206  Layia hieracioides D. D. Keck 1941-6-5 5307 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  UC697166  Layia platyglossa Mary L. Bowerman 1935-4-26 2916 Contra Costa ridge w of Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC89330  Layia platyglossa Brandegee Apr 1889 Contra Costa Antioch Comment
  SEINET10759869  Layia platyglossa John T. Middleton 1936-4-18 Middleton 143 Contra Costa Deer Valley, Ca. Comment
  POM361692  Layia platyglossa subsp. campestris H. de Forest 1930-4-6 s.n. Contra Costa S.E. of Mortonville. Small coal mine ravine. 244 Comment
  POM202803  Layia platyglossa subsp. platyglossa L. S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  RSA721283  Layia platyglossa subsp. platyglossa Barbara Ertter, Brad Olson, Dianne Lake 1996-4-14 14589 Contra Costa North Peak of Mt. Diablo 1098 Comment
  UC2028427  Leersia oryzoides Barbara Ertter 1996-9-19 15297 Contra Costa Antioch Marina, edge of Dow Marsh lands Comment
  UC692083  Lemna minuscula Mary L. Bowerman 1932-8-27 1518 Contra Costa s of Turtle Rock (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC534639  Lemna minuta Ira L. Wiggins 1930-4-18 4607 Contra Costa Jersey Island 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
  OBI15025  Lepidium acutidens Robert F. Hoover 1967-4-28 10507 Contra Costa Byron Hot Springs Comment
  UCD115332  Lepidium appelianum G. Thomas Robbins 1959-9-13 4162 Contra Costa North edge of Pinole. Comment
  RSA0033849  Lepidium coronopus Barbara Ertter 1999-7-17 16762 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  SBBG29865  Lepidium dictyotum A. M. Carter 1935-3-10 753 Contra Costa Kirker Pass Rd, S of jct with Nortonville Rd 121 Comment
  POM204444  Lepidium dictyotum var. acutidens J. T. Howell 1933-3-29 10894 Contra Costa Nortonville Comment
  UC1607702  Lepidium latifolium Barbara Ertter 1991-5-12 9810 Contra Costa sw corner El Cerrito (n of park); San Francisco Bay, Point Isabel Regional Shoreline Comment
  NY76535  Lepidium latifolium B. J. Ertter 1991-5-12 9810 Contra Costa Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay Comment
  UC2029041  Lepidium latifolium Barbara Ertter 2000-3-30 16899 Contra Costa Mitchell Canyon trailhead, adjacent to horse staging area in parking lot. Comment
  CAS-BOT-BC89763  Lepidium latipes Alice Eastwood 1921-4-18 10259 Contra Costa Antioch. Comment
  UC691078  Lepidium latipes Mary L. Bowerman 1933-4-15 1846 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  JEPS116958  Lepidium latipes var. latipes David Gowen 2008-4-6 841 Contra Costa East of Marsh Creek Road on north side of Camino Diablo Road, near stock pond. Comment
  CAS-BOT-BC89891  Lepidium nitidum Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC89900  Lepidium nitidum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  UC2070550  Lepidium nitidum Barbara Ertter with David Gowen and Michael Park 2017-5-2 22813 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road Comment
  CAS-BOT-BC89898  Lepidium nitidum Reed C. Rollins 1946-3-25 3044 Contra Costa Western slope of Mount Diablo. Comment
  SEINET11263174  Lepidium oxycarpum Barbara Ertter, Dale Sanders; Dan Norris 1994-3-26 12337 Contra Costa Peyton Hill E of I-680, E of Martinez. South of Waterfront Road, west foot of hill near edge of marsh.; 0 Comment
  JEPS99536  Lepidium strictum Mary L. Bowerman 1995-5-28 Contra Costa Mount Diablo, fire road from Macedo Ranch to Wall Pt. Ridge. Comment
  UCD63958  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  CAS-BOT-BC226592  Leptosiphon ambiguus Mary L. Bowerman 1934-3-18 2481 Contra Costa Mount Diablo. West of Russelman Park on edge of Donner Canyon Comment
  UC1949269  Leptosiphon ciliatus Barbara Ertter 1991-5-5 9781 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon; N-facing slope Comment
  UC87925  Lessingia glandulifera K. Brandegee 1883-1 Contra Costa Antioch Comment
  JEPS100183  Lessingia glandulifera var. glandulifera David Gowen 2004-5-11 58 Contra Costa Lime Ridge Open Space; Ridge trail in the N section of the park and S of the water tank Comment
  UC761928  Lessingia pectinata var. tenuipes R. F. Hoover 1940-11-23 4696 Contra Costa 2 mi w Byron Comment
  JEPS481  Leymus X multiflorus W. L. Jepson 1937-7-2 18445 Contra Costa swale 1/2 mi w Crockett Comment
  UC691184  Leymus X multiflorus Mary L. Bowerman 1938-11-19 3734 Contra Costa Mitchell Creek tributary s Black Point; Mount Diablo 259 Comment
  UCD92459  Leymus X multiflorus G. Thomas Robbins; John Weiler 1959-5-23 4026 Contra Costa West side of Brooks Island, San Francisco Bay, Richmond. Comment
  CDA15266  Leymus triticoides G. F. Hrusa, D. Crowe 1998-5-8 14397 Contra Costa Sacramento Delta; Large colony at confluence of ditch adjacent to Antioch-Pittsburg highway and former streambed passing through disturbed grasslands at E end of Dow Chemical property in Pittsburg. Both blue-glaucous and green forms present. Comment
  RSA108325  Leymus triticoides Frank W. Gould 1941-5-8 1289 Contra Costa Wastelands along Bay at Winehaven (near Richmond) Comment
  CAS-BOT-BC272214  Leymus triticoides R. E. Frenkel 1964-9-19 848 Contra Costa On Morgan Territore Road, 0.2 mile south of summit 637 Comment
  CDA32488  Leymus triticoides Ball ? 1944-6-9 Contra Costa El Cerrito 0 Comment
  CAS-BOT-BC451580  Lilaea scilloides Walter Knight 1977-6-12 s.n. Contra Costa Morgan Territory land bank (se. of Mt. Diablo at head of Marsh Creek) 585 Comment
  SEINET6670612  Limnanthes douglasii subsp. striata B. Crampton 1968-3-27 8238 Contra Costa SE corner of County, ca. 3.5 miles south of Byron Comment
  SD211624  Limnanthes douglasii var. rosea Barbara Ertter, Jim Jokerst et al 1989-4-5 8115 Contra Costa Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton Comment
  CDA33337  Limnobium laevigatum Robin Breckenridge 2010-10-1 PDR# 5059100 Contra Costa North edge of Bradford Island. 0 Comment
  CDA33363  Limnobium laevigatum Robin Breckenridge 2010-10-1 PDR# 5059103 Contra Costa Oakley; Bradford Island, Santa Clara Shoal. 0 Comment
  JEPS20265  Limonium californicum W. L. Jepson 1922-7-9 9730 Contra Costa Richmond Comment
  UCD35164  Limonium californicum Beecher Crampton 1950-8-5 632 Contra Costa San Pablo Canal, NW of Richmond. Comment
  UC908685  Linanthus androsaceus Herbert L. Mason 1928-4-15 4349 Contra Costa e end Moraga Ridge Comment
  UC1618093  Linanthus ciliatus Donald G. Nelson 1937-4-29 518 Contra Costa Road from Pinole south towards Alhambra Road Pinole Comment
  UC367216  Linanthus ciliatus J. G. Lemmon Contra Costa Mount Diablo Comment
  UC449794  Linanthus ciliatus Chesnut and Drew 1889-4-17 Contra Costa Sommersville Comment
  JEPS123332  Linanthus parviflorus David Gowen with Chris Thayer 2010-4-30 1090 Contra Costa North of Briones Reservoir. Rocky area on hill above Oursan Trail just west of its junction with Hampton Trail. Comment
  UC908611  Linanthus pygmaeus subsp. continentalis Herbert L. Mason 1928-4-29 4431 Contra Costa Sycamore Canyon Mount Diablo (s slope of Mount Diablo) Comment
  POM138838  Linum grandiflorum C. F. Baker 1903-4-28 s.n. Contra Costa Byron? Comment
  UC2062654  Linum usitatissimum Barbara Ertter 2004-4-25 18367 Contra Costa Coulter Pine Trail on north side of Mount Diablo State Park. Comment
  JEPS112262  Lithophragma affine A. G. Murdock 2004-4-30 265 Contra Costa Vaca Canyon Comment
  UC1618055  Lithophragma affine Donald G. Nelson 1937-3-30 467 Contra Costa along Marsh Creek Road between Claytonville and Byron; Marsh Creek Road Comment
  RSA0068477  Lithophragma affine Katie Gallagher, Nick Jensen 2014-4-26 201 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC114988  Lithophragma bolanderi T. S. Brandegee Apr 1889 Contra Costa Comment
  UC11926  Lithophragma cymbalaria J. Burtt Davy 1895-4-7 906 Contra Costa Antioch Comment
  CAS-BOT-BC435650  Lithophragma heterophyllum John Thomas Howell 1926-3-7 1660 Contra Costa Mt. Diablo near toll gate Comment
  JEPS75510  Lithophragma heterophyllum P. F. Yorks 1974-3-22 117 Contra Costa N of Briones Reservoir (ca. 1.8 km S of Bear Creek Road on Hampton Road); Hampton Road Natural Reserve Comment
  UC1050466  Lobelia laxiflora N. Floy Bracelin 1941-5-4 1262 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC342120  Logfia filaginoides John Thomas Howell 1940-4-21 15406 Contra Costa Pine Canyon, Mt. Diablo Comment
  UC34597  Logfia filaginoides J. P. Tracy 1900-3-24 618 A Contra Costa Point Richmond San Francisco Bay region, Point Richmond 15 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
  CHSC75233  Lolium perenne Roger Thom 1987-5-13 7 Contra Costa Contra Costa Campus of Hayward Calif. State University. 3100 Oak Park Blvd. Pleasant Hill. Field. 30 Comment
  UC1948973  Lolium perenne William J. Ferlatte, L. Maynard Moe 1970-4-27 1248 Contra Costa San Francisco Bay: Red Rock Island Comment
  POM206078  Lolium perenne subsp. multiflorum Jos Burtt Davy 1897-9-9 1674 Contra Costa Stege Comment
  POM300593  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa Branch of Curry Canyon due south of Olafsons' barn. Comment
  UC691198  Lolium temulentum Mary L. Bowerman 1935-5-16 3006 Contra Costa e side of North Peak Mount Diablo (behind Gabriel-Hinks'); , (e side of North Peak) 289 Comment
  UCD36917  Lolium temulentum Beecher Crampton 1956-5-14 3389 Contra Costa 7 miles southwest of city of Antioch, just east of old mining town of Nortonville. Comment
  JEPS111626  Lomatium caruifolium D. G. Kelch 2005-3-25 05 .81 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak on ridge East of Pinole Park 115 Comment
  UC691420  Lomatium dasycarpum subsp. dasycarpum Mary L. Bowerman 1932-2-28 1095 Contra Costa W of Blackberry Spring; Mount Diablo Comment
  JEPS17116  Lomatium macrocarpum M. K. Curran May 1885 Contra Costa Antioch Comment
  UC691426  Lomatium macrocarpum Mary L. Bowerman 1935-4-17 2837 Contra Costa w. rd. 2 mi. from entrance Mt. Diablo (ridge w. of chaparral) 289 Comment
  UC691428  Lomatium macrocarpum Mary L. Bowerman 1933-4-26 1906 Contra Costa ridge e.-s.e of the peak North Peak; Mt. Diablo 579 Comment
  POM301009  Lomatium macrocarpum Mary L. Bowerman 1935-4-26 2917 Contra Costa Contra Costa County: Ridge W of Indian Ceremonial Spring: Rocky ridge with S exposure. 1006 Comment
  UC1819056  Lomatium macrocarpum Barbara Ertter, Susan D'Alcamo 1994-4-24 12460 Contra Costa Mount Diablo east Walnut Creek, Deer Flat road between Juniper Campground and Deer Flat 762 Comment
  JEPS111624  Lomatium utriculatum D. G. Kelch 2005-3-24 05 .56 Contra Costa Point Pinole Southern Pt. Pinole 3 Comment
  CDA42380  Lonicera hispidula D. G. Kelch 2012-5-27 12 .071 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  SEINET12266795  Lonicera hispidula var. californica M. T. Doutt 1930-1 86 Contra Costa Marsh Creek Comment
  JEPS12847  Lonicera hispidula var. vacillans W. L. Jepson 1894-10-1 Contra Costa towards Redwood Peak; Moraga Valley Comment
Read comments
Aug 9 2011
  UC691757  Lonicera subspicata var. denudata Mary L. Bowerman 1932-10-9 1630 Contra Costa e side North Peak (se of the ridge leading directly to North Peak from Gabriel-Hinks'); Mount Diablo Comment
  UC1795754  Lotus corniculatus Barbara Ertter, Kristin Ertter 1995-7-11 14473 Contra Costa Sulfur Spring on Pine Cr, Diablo Foothills Regional Park SW of Walnut Creek, marshy wet ground. 121 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
  JEPS55420  Lotus crassifolius var. crassifolius Milo S. Baker 1904-6-24 Contra Costa Summit of Mt. Diablo Comment
  UC15548  Lotus crassifolius var. crassifolius F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC692570  Lotus crassifolius var. crassifolius Mary L. Bowerman 1931-4-25 772 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC15621  Lotus humistratus W. H. Brewer 1862-5-12 1073 Contra Costa Monte Diablo Comment
  UC15689  Lotus humistratus State Survey 1800-1 1073 Contra Costa Mt. Diablo Range Comment
  JEPS55504  Lotus junceus A. M. Ottley 1920-6-5 777 Contra Costa Moraga Ridge Comment
  JEPS25107  Lotus scoparius G. Thomas Robbins 1959-4-12 3983 Contra Costa about 0.5 mi sw junction of Hoffmann Blvd. and S. 25th St. 6 Comment
  UC692264  Lotus wrangelianus Mary L. Bowerman 1931-4-4 639 Contra Costa 2 rd mi from Mount Diablo w entrance (= North Gate); Mount Diablo Comment
  UC692323  Lotus wrangelianus Mary L. Bowerman 1932-4-9 1320 Contra Costa on large spur which heads into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UC2029111  Ludwigia peploides subsp. montevidensis Barbara Ertter with Lincoln Constance 1995-6-16 14263 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, edge of marsh. Comment
  POM77723  Lupinus affinis C. P. Smith 1922-5-20 3531 Contra Costa Oakland - Walnut Creek Road. Comment
  UC126957  Lupinus affinis A. V. Stubenranch 1892-5-9 Contra Costa Fish Ranch Road Comment
  CHSC67947  Lupinus albifrons James D. Jokerst 1989-3-31 3077 Contra Costa Rocky hillside E of creek in Brushy Creek Canyon. Comment
  JEPS64909  Lupinus albifrons W. L. Jepson 1931-4-5 15724 Contra Costa Oakley part of Antioch sand-dune formation, Oakley 18 Comment
  CAS-BOT-BC201368  Lupinus albifrons var. albifrons Alice Eastwood 1921-4-18 10282 Contra Costa Antioch Comment
  CAS-BOT-BC201375  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC692573  Lupinus albifrons var. albifrons Mary L. Bowerman 1931-4-5 676 Contra Costa below Gregory Ranch Mount Diablo (Mt. Diablo) Comment
  UC864982  Lupinus albifrons var. albifrons Alice Eastwood 1915-5-30 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC201379  Lupinus albifrons var. albifrons John H. Thomas 1953-4-25 3007 Contra Costa Antioch Sand Hills along San Joaquin River, 0.2 miles west of Antioch Bridge Comment
  RSA697989  Lupinus albifrons var. albifrons J. Vlahos 1934-8-1 s.n. Contra Costa Contra Costa Hills Comment
  UC1795854  Lupinus albifrons var. albifrons Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14594 Contra Costa Sycamore Spring Trail off Prospectors Gap Rd., east side Mt. Diablo. 640 Comment
  UC1795855  Lupinus albifrons var. albifrons Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14594 a Contra Costa Sycamore Spring Trail off Prospectors Gap Rd., east side Mt. Diablo. 640 Comment
  CAS-BOT-BC196217  Lupinus albifrons var. eminens C. F. Baker Apr. 25 2823 Contra Costa Antioch Comment
  JEPS22882  Lupinus arboreus John Weiler with G. T. Robbins 1959-5-23 5991 Contra Costa nw side Brooks Island; San Francisco Bay, nr Richmond, Brooks Island Comment
  CHSC21618  Lupinus bicolor Willis Ball 1974-4-21 428 Contra Costa Contra Loma Regional Park. In area #1. On n side of road leading to main parking lot ca. 150 yds e of lot. One yd. n of road. 38 Comment
  UC1197281  Lupinus bicolor J. P. Tracy 1900-3-24 624 Contra Costa Dry Hill Point Richmond (Point Richmond); Region about San Francisco Bay, Point Richmond 15 Comment
  POM350000  Lupinus bicolor L. S. Rose 1942-4-23 42013 Contra Costa Walnut Creek Comment
  POM252849  Lupinus bicolor subsp. pipersmithii A. A. Heller 1938-4-9 15019 Contra Costa Near the west end of the Antioch bridge. Comment
  CAS-BOT-BC187863  Lupinus chamissonis Alice Eastwood 1914-2-24 3735 Contra Costa Antioch Comment
  SEINET13198366 Image available Lupinus formosus A. G. Vestal 1947-6-2 s.n. Contra Costa Comment
  UC2029122  Lupinus formosus var. robustus Barbara Ertter with David Gowen 2013-4-19 21318 Contra Costa Southwestern Mount Diablo State Park southeast of Walnut Creek, upper end of Little Yosemite Trail at junction with Briones to Mount Diablo Regional Trail. Comment
  JEPS112364  Lupinus latifolius var. latifolius Dean G. Kelch and Andrew G. Murdock 2004-4-30 256 Contra Costa Vaca Canyon; County: Contra Costa; On steep south slope along road. 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
  JEPS25129  Lupinus microcarpus var. densiflorus G. Thomas Robbins 1959-4-18 3992 Contra Costa along Western Drive near and n Pt. Richmond (western base of Potrero Hills, Richmond); western base of Potrero Hills, n of Pt. Richmond 4 Comment
  UC201015  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  SJSU10780  Lupinus microcarpus var. microcarpus D. C. Bettencourt 1959-4-18 Contra Costa Mt Diablo Foothills 304 Comment
  UC155195  Lupinus microcarpus var. microcarpus Katharine Brandegee 1907-5-5 Contra Costa Antioch Comment
  UC1562852  Lupinus microcarpus var. microcarpus Barbara Ertter with Elizabeth Neese 1988-4-24 7453 Contra Costa between and parallel to Nortonville and Somersville roads Black Diamond Mines Regional Preserve sw Antioch; Black Diamond Mines Regional Preserve Comment
  UC201007  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-1 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201099  Lupinus microcarpus var. microcarpus Katharine Brandegee Contra Costa Richmond Annex Comment
  UCD108868  Lupinus microcarpus var. microcarpus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  RSA0027702  Lupinus microcarpus var. microcarpus Barbara Ertter, John Ginochio, Mary Bowerman 2001-5-8 17628 Contra Costa Northwest flank of Mount Diablo, upper Galindo Creek southwest of Mount Zion. Comment
  JEPS107018  Lupinus pachylobus J. Greenhouse with Kevin Hintsa 2004-4-5 5089 Contra Costa Mt. Diablo, Fire Interpretive Trail 1112 Comment
  CHSC75089  Lupinus polycarpus Roger Thomas 1987-4-21 5 Contra Costa 3300 block of Johnson Rd. Lafayette. 152 Comment
  SEINET12162895  Lupinus propinquus W. Knight, Knight, I. 1982-1 4459 Contra Costa Tilden Reginoal Park, Berkeley, Comment
  JEPS100068  Lupinus succulentus G. Smick 2003-5-1 GAS 158 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD32374  Lupinus succulentus Beecher Crampton 1950-4-12 510 Contra Costa 1 mile south of Richmond, intersection of Cutting Blvd. and Carlson Blvd., singular path along S.P. railroad right of way. 22 Comment
  POM290430  Luzula comosa Lyman Benson 1931-3-18 2659 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC606731  Luzula comosa Edward Lee 1936-4-19 2000 Contra Costa n side near summit Red Rock; San Francisco Bay, n side Red Rock Comment
  UC2028483  Luzula comosa Barbara Ertter 1998-5-3 16040 Contra Costa SW fork of Pine Creek between Pine Ridge and Wall Point Ridge, southwest base of Mount Diablo Comment
  UC72374  Luzula macrantha Harley P. Chandler 1901-3-22 851 Contra Costa Martinez Comment
  CAS-BOT-BC441217  Luzula macrantha H. L. Mason 1917-3-19 59 Contra Costa Lake Temescal Comment
  CDA20732  Lycium chinense J. Deviney 2006-7-5 PDR 1374005 Contra Costa Viano Vineyards, 150 Morello Ave., Martinez. Comment
  CDA9685  Lycopus americanus D. G. Kelch 2002-7-15 2 .004 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  JEPS78624  Lythrum californicum Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3281 Contra Costa Browns Island, Botany Cove Browns Island; , Botany Cove Comment
  JEPS112518  Lythrum hyssopifolia D. G. Kelch 2004-6-6 04 .225 Contra Costa Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station. 2 Comment
  JEPS45963  Lythrum hyssopifolia W. L. Jepson 1922-7-9 9734 Contra Costa Richmond 6 Comment
  CDA20143  Lythrum salicaria R. M. Case 2003-6-13 PDR 1406286 Contra Costa San Francisco Bay Area; Walnut Creek Flood Channel, S of Waterfront Rd, N of Hwy 4. 0 Comment
  UCR263783  Lythrum tribracteatum Barbara Ertter, Brad Olson 1991-9-28 10834 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC5897  Maclura pomifera W. G. Klee June 1880 Contra Costa road to Walnut Creek Comment
  CAS-BOT-BC342680  Madia elegans Mary L. Bowerman 1933-5-17 2106 Contra Costa Mount Diablo. Curry Canyon branch south of Olafsons' barn 289 Comment
  UC2027823  Madia elegans Barbara Ertter 2000-11-19 17552 Contra Costa Briones Regional Park, Black Oak Trail. Comment
  JEPS111711  Madia exigua D. G. Kelch 2004-5-9 04 .205 Contra Costa Crockett - Edwards Canyon; Upper Edwards Canyon 160 Comment
  CAS-BOT-BC342981  Madia gracilis Barrett Anderson 1987-4-30 3499 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  JEPS111538  Madia gracilis D. G. Kelch 2005-5-6 05 .222 Contra Costa Franklin Canyon East of Christie Road. South of Route 4 127 Comment
  UC697160  Madia gracilis Mary L. Bowerman 1933-5-8 2018 Contra Costa near crest Fossil Ridge (on n side by side road); Mount Diablo Comment
  CAS-BOT-BC324488  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch 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
  RSA69276  Maianthemum racemosum subsp. amplexicaule Frank W. Peirson, Mabel B. Peirson 1925-4-10 6636 Contra Costa Boulevard near San Pablo Reservoir Comment
  CAS-BOT-BC8183  Malacothamnus fasciculatus subsp. fasciculatus Harvey Monroe Hall; F. M. Essig 1916-5-30 10131 Contra Costa Mt. Diablo on the westerly side north of Pine Canyon 290 Comment
  CAS-BOT-BC206329  Malacothamnus fremontii Walter Knight; Irja Knight 1967-4-2 s.n. Contra Costa Nortonville. Comment
  CAS-BOT-BC206330  Malacothamnus fremontii Lewis S. Rose 1954-6-29 54081 Contra Costa Nortonville. Comment
  UC109097  Malacothamnus fremontii T. S. Brandegee Apr 1889 Contra Costa antioch Comment
  UC1122042  Malacothamnus fremontii R. C. Wilson 1935-3-14 134 Contra Costa 2 mi up sycamore Cree; Mt. Diablo 381 Comment
  UC692612  Malacothamnus fremontii Mary L. Bowerman 1930-6-18 353 Contra Costa Mount Diablo 822 Comment
  RSA0027418  Malacothamnus fremontii Barbara Ertter, Joanne Kerbavaz, Mary Bowerman 2000-8-20 17516 Contra Costa South side of Mount Diablo, Pioneer Horse Camp. 884 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
  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
  RSA0116396  Malacothamnus hallii Lewis S. Rose 1954-6-29 54082 Contra Costa Mt. Diablo 2.5 mi n. of Turtle Rock. 183 Comment
  CAS-BOT-BC345453  Malacothrix coulteri Alice Eastwood 1914-3-14 3816 Contra Costa Byron Springs Comment
  UC1618290  Malus sylvestris Barbara Ertter, Lynne Hosley 1993-4-17 11506 Contra Costa 10 air mi n of Livermore (Morgan Territory, hills in lee of Mount Diablo, along Volvon Trail at se edge of park) 609 Comment
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Aug 15 2016
  CDA15229  Malva parviflora G. F. Hrusa, D. Crowe 1998-5-8 14358 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UCD116680  Malva sylvestris Herbert L. Mason 1952-6-10 s.n. Contra Costa Waste land near Dwinelle Hall, University of California, Berkeley. Comment
  UC2028362  Malvella leprosa Barbara Ertter with Tony Morosco 1998-7-11 16363 Contra Costa North base of Mount Diablo, near small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area Comment
  CHSC100809  Marah fabacea R. A. Schlising; Anna Eagle 1962-5-29 2281 Contra Costa Roadside. 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
  CHSC46893  Marah oregana R. A. Schlising 1965-4-6 2780 Contra Costa Berkeley Hills. Comment
  CDA9493  Marsilea vestita D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .217 Contra Costa Byron Airport. Comment
  UC1543100  Matricaria discoidea Donald G. Nelson 1937-3-30 480 Contra Costa s of Byron (along railroad tracks paralleling the highway on road to Tracy) Comment
  CAS-BOT-BC348047  Matricaria discoidea R. E. Frenkel 1964-4-8 420 Contra Costa By the south side of Marsh Creek Road near Marsh Creek 33 Comment
  CDA22510  Medicago arabica D. G. Kelch, D. A. Weinstein 2008-4-25 8 .076 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
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Jan 7 2016
  RSA195482  Medicago arabica C. R. Gunn 1963-5-31 2659 Contra Costa Contra Cost County: Tilden Park, Berkeley at intersection of Shasta and Oak Hill Roads Comment
  UC692277  Medicago polymorpha Mary L. Bowerman 1930-6-5 247 a Contra Costa west road (= North Road) 5.8 mi from entrance; Mount Diablo 457 Comment
  JEPS127043  Medicago polymorpha var. brevispina Lowell Ahart, Josephine Guardino 2016-4-19 20763 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
  CAS-BOT-BC271218  Melica californica E. E. Stanford 1930-5-24 1516 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC271224  Melica californica Mary L. Bowerman 1935-4-22 2883 Contra Costa Ridge west of Pioneer Road west of Stage Road, Mount Diablo 853 Comment
  UC1055813  Melica californica Frank W. Gould 1941-4-20 1282 Contra Costa near Richmond Comment
  UC1948964  Melica californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1260 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC53582  Melica californica H. M. Hall 1904-4-5 Contra Costa Mt. Diablo; San Francisco Bay Region Comment
  UC53673  Melica californica J. Burtt Davy 1900-3-24 6521 Contra Costa Point Richmond Comment
  UC2028478  Melica californica Barbara Ertter with Richard K. Brummitt 1998-5-6 16102 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  UC1153843  Melica imperfecta Beecher Crampton 1956-5-14 3405 Contra Costa s boundary Mt. Diablo State Park Comment
  UC585495  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa sse along first w fork Curry Creek trail; Mt. Diablo Comment
  UC691221  Melica imperfecta Mary L. Bowerman 1932-3-12 1120 Contra Costa Alamo Canyon Mount Diablo (near trail) 365 Comment
  UCD87814  Melica imperfecta Beecher Crampton 1956-5-14 3405 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  POM257058  Melica imperfecta var. refracta Virginia Long 1933-6-14 221 a Contra Costa Mt. Diablo. On slope SE-E along first west fork from Curry Creek Trail. Comment
  JEPS21801  Melica torreyana Joe Zaerr 1958-5-10 126 Contra Costa Moraga Ridge 396 Comment
  UC1948968  Melica torreyana William J. Ferlatte, L. Maynard Moe 1970-4-27 1228 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691167  Melica torreyana Mary L. Bowerman 1935-5-8 2972 Contra Costa Muir Area 1036 Comment
  UC767145  Melica torreyana R. F. Hoover 1941-4-11 4833 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC262509  Melica torreyana Mary L. Bowerman 1935-5-16 3013 Contra Costa Mount Diablo. Behind Gabriel-Hinks' (east side of North Peak): Wooded gully 289 Comment
  JEPS112358  Melilotus albus Dean G. Kelch and Andrew G. Murdock 2004-6-4 313 Contra Costa Pacheco Marsh; County: Contra Costa. 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
  UC634868  Melissa officinalis H. L. Mason 1925-9-17 2235 Contra Costa stream in Redwood Canyon Redwood Canyon Comment
  CAS-BOT-BC344884  Mentha Peter Rubtzoff 1968-9-19 5968 Contra Costa Russellman Park Road, 0.7 miles south of Marsh Creek Road. Comment
  JEPS102899  Mentha spicata Barbara Ertter with Mary Bowerman 1996-11-21 15394 Contra Costa downstream from Mitchell Canyon trailhead Mount Diablo 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
  UCD117222  Mentzelia dispersa P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and summit. Comment
  UC692627  Mentzelia micrantha Mary L. Bowerman 1934-4-21 2534 Contra Costa Muir Area Mount Diablo Comment
  SEINET3840809  Mesembryanthemum nodiflorum Unknown 2006-7-14 6 .327 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  SBBG18894  Micranthes californica E. R. Chandler 1962-3-13 317 Contra Costa slope of Bartlett Cyn ca. 4 mi N of ocean, Bishop Ranch Comment
  SEINET200754  Microcala quadrangularis J. P Tracy 1900-3-24 608 Contra Costa Near Stege 3 Comment
  CDA33418  Micropus californicus D. G. Kelch 2011-5-28 11 .542 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  JEPS111703  Micropus californicus var. californicus D. G. Kelch 2004-4-30 04 .155 Contra Costa Mt. Wanda - Martinez 90 Comment
  UC34598  Micropus californicus var. californicus J. P. Tracy 1900-3-24 618 B Contra Costa Point Richmond San Francisco Bay Region 15 Comment
  RSA720807  Micropus californicus var. californicus Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14223 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point 518 Comment
  UC88373  Micropus californicus var. californicus E. L. Greene 1886-1 Contra Costa Marsh Creek Comment
  CAS-BOT-BC348650  Micropus californicus var. subvestitus V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  CAS-BOT-BC348649  Micropus californicus var. subvestitus John Thomas Howell 1930-4-22 4746 Contra Costa Wildcat Canyon Comment
  UC2027816  Microseris douglasii Barbara Ertter with Holly Forbes 1997-4-20 15550 Contra Costa North base of Mount Diablo, roadside on trail to Back Creek from Mitchell Canyon trailhead. Comment
  CAS-BOT-BC348886  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2012 Contra Costa Mount Diablo. Fossil Ridge near crest, on north side by side road Comment
  JEPS111710  Microseris douglasii subsp. douglasii D. G. Kelch 2004-5-7 04 .189 Contra Costa Canada del Cierbo Canada del Cierbo 40 Comment
  JEPS36178  Microseris douglasii subsp. douglasii W. L. Jepson 1918-6-3 7591 Contra Costa Donner Canyon Mt. Diablo Comment
  RSA72855B  Microseris douglasii subsp. douglasii A. Kellogg, W. G. W. Harford 1869-4-8 579 Contra Costa Antiock [Antioch] Comment
  UC1795682  Microseris douglasii subsp. douglasii Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12336 a Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road Comment
  UC92107  Microseris douglasii subsp. douglasii M. K. Curran 1886-1 Contra Costa Antioch Comment
  CAS-BOT-BC349168  Microseris elegans Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  UC691432  Microseris elegans Mary L. Bowerman 1933-3-25 1763 Contra Costa (Diablo Stock Farm) (Stone Valley) Canyon Mount Diablo Comment
  CAS-BOT-BC7493  Microseris parvula M. K. Curran s.n. Contra Costa Antioch Comment
  SBBG6024  Microsteris gracilis J. M. Tucker 1946-3-24 1385 Contra Costa hills between Nortonville and Somersville Comment
  RSA420306  Mimulus aurantiacus var. aurantiacus E. E. Stanford 1930-5-24 1514 Contra Costa Marsh Creek Canyon. Comment
  UC691570  Mimulus douglasii Mary L. Bowerman 1932-2-28 1097 Contra Costa w Blackberry Spring; Mount Diablo 609 Comment
  CAS-BOT-BC151466  Mimulus latidens T. S. Brandegee 1888-5-1 s.n. Contra Costa Antioch Comment
  CHSC22998  Minuartia douglasii Robert A. Schlising 1962-4-26 2187 Contra Costa Coast Ranges. Mount Diablo, at Juniper Campground. Comment
  UC8130  Minuartia douglasii W. H. Brewer 1862-5-5 1048 Contra Costa near Walnut Creek (sw of Camp 69) Comment
  UC1818898  Minuartia pusilla Barbara Ertter, Mary Bowerman et al. 1995-5-7 14064 Contra Costa Three-Springs Trail on NE side of Mount Diablo SE of Clayton, small serpentine patch at road junction Comment
  UC691408  Monardella douglasii Mary L. Bowerman 1935-6-1 3116 Contra Costa Diablo Trail Mount Diablo, Meridian Peak 1082 Comment
  CAS-BOT-BC220510  Monardella villosa Alice Eastwood 1915-6-21 4743 Contra Costa San Leandro Comment
  RSA0022790  Monardella villosa subsp. subserrata Katherine Brandegee 1907-7-4 s.n. Contra Costa Martinez. Comment
  RSA0034457  Monardella villosa subsp. subserrata Katherine Brandegee 1907-7-4 s.n. Contra Costa Martinez. Comment
  CAS-BOT-BC327803  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Mt. Diablo, Muir Area, SW slope E of the rocks. Comment
  UC691681  Monolopia gracilens Mary L. Bowerman 1932-4-16 1339 Contra Costa Eagle Point ridge s 1682 point; Mount Diablo Comment
  CAS-BOT-BC349608  Monolopia major Ethel Crum 1939-3-19 2083 Contra Costa Two miles west of Byron 45 Comment
  CAS-BOT-BC349611  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa Two miles west of Byron 45 Comment
  JEPS111667  Monolopia major C. Thayer, J. Dunne 1997-3-27 Contra Costa 91 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
  UC1484375  Monolopia major Dale E. Johnson 1975-4-12 188 Contra Costa near Byron (2.6 km (1.6 mi) w of Byron Hwy (Brentwood-Bethany road), on Camino Diablo, just w of road summit, near sand quarry) Comment
  UC407362  Monolopia major Ira L. Wiggins 1930-4-17 4584 Contra Costa 0.25 mi s Byron Comment
  CAS-BOT-BC349616  Monolopia major W. W. Carruth 1902-4-1 s.n. Contra Costa Redwood Canon [Canyon], E. Oakland Comment
  CAS-BOT-BC444825  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
  UC1738125  Myosurus D. E. Stone 1957-2-28 14268 A-13 Contra Costa Comment
  CAS-BOT-BC83288  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  UC1731501  Myosurus minimus Dean W. Taylor 1992-4-16 12391 Contra Costa s of Bryon Hot Springs (San Joaquin Valley); San Joaquin Valley 45 Comment
  UC1738083  Myosurus minimus D. E. Stone 1957-2-28 14268 A12 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC480856  Myosurus minimus Katharine Brandegee 1909-4-24 Contra Costa Antioch Marsh Creek Antioch Comment
  UCD96307  Myosurus minimus H. L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CHSC69649  Myosurus sessilis James D. Jokerst 1989-3-28 3059 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UCD96288  Myosurus sessilis H. L. Mason 1952-4-26 14269 Contra Costa 3.5 miles south of Byron. Comment
  HSC104396  Myriophyllum exalbescens M. R. Bell 1950-10-9 Contra Costa Near Concord, from stock pond on farm of E.J. Mangini Comment
  UC2031468  Myriophyllum verticillatum Barbara Ertter with Brad Olson 1991-9-28 10837 Contra Costa San Pablo Reservoir between Orinda and El Sobrante Comment
  UC2048019  Myriopteris covillei C. J. Rothfels with F. W. Li, J. Sinton, R. Rahaman 2016-1-31 4700 Contra Costa Mount Diablo. Along the Waterfalls Trail shortly after it branches off from the Donner Creek Fire Road. Comment
  SBBG122790  Najas guadalupensis B. Ertter, B. Olson 1991-9-28 10838 Contra Costa S end of San Pablo Reservoir, between Orinda and El Sobrante 91 Comment
  CAS-BOT-BC259903  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa Mount Diablo. North Road 2 miles from North Gate Comment
  JEPS99983  Nassella lepida S. O'Neil 2003-5-30 SEO 37 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM301847  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa North Road 2 mi from North Gate Comment
  CAS-BOT-BC260126  Nassella pulchra A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  UC60254  Nassella pulchra J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UCD36922  Nassella pulchra Beecher Crampton 1956-5-14 3403 Contra Costa Southeastern Mount Diablo, headwaters of Marsh Creek. 640 Comment
  UCD87465  Nassella pulchra Beecher Crampton 1956-5-14 3403 Contra Costa Southeastern Mount Diablo, headwaters of Marsh Creek. 640 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
  UC691607  Navarretia mellita Mary L. Bowerman 1931-5-31 907 Contra Costa n slope of 1778 point Mount Diablo, Fossil Ridge (Rock City Ridge) Comment
  JEPS116940  Navarretia nigelliformis subsp. radians David Gowen 2008-4-21 867 Contra Costa South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve. Comment
  UC2028276  Navarretia pubescens Barbara Ertter 1999-6-12 16700 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UCD36039  Navarretia pubescens Beecher Crampton 1949-9-11 493 Contra Costa Contra Costa County, Mount Diablo State Park, below main road, opposite Oak Knoll Picnic area. 518 Comment
  UC124923  Navarretia viscidula Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  CDA29222  Nemophila heterophylla D. G. Kelch 2006-5-7 6 .152 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS111826  Nemophila heterophylla D. G. Kelch 2005-5-1 05 .182 Contra Costa Crockett - Edwards Canyon 150 Comment
  JEPS49756  Nemophila heterophylla Rimo Bacigalupi, and Alice Howard, and Paul Hutchison 1967-3-29 9220 Contra Costa on w slope Las Trampas Ridge Upper reaches Bolinger Canyon, w slope Las Trampas Ridge (Upper reaches of Bolinger Canyon) 381 Comment
  UC517550  Nemophila heterophylla John Thomas Howell 1926-3-7 1659 Contra Costa Mt. Diablo near toll gate Mt. Diablo Comment
  UC67127  Nemophila heterophylla Harley P. Chandler 1901-3-22 850 Contra Costa between Martinez and Port Costa (Region of San Francisco Bay); , bet Martinez and Port Costa Comment
  PASA2111  Nemophila heterophylla Annetta Carter 1929-3-29 Contra Costa near Clayton 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
  UC2028076  Nemophila heterophylla Barbara Ertter, Tony Morosco 1998-4-12 15998 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  UC67128  Nemophila heterophylla Harley P. Chandler 1900-3-23 580 Contra Costa Briones Valley , Briones Valley (Region of San Francisco Bay) Comment
  SEINET3156480  Nemophila insignis L. S. Rose 1941-3-13 41029 Contra Costa 3 miles W of Byron 30 Comment
  JEPS3131  Nemophila menziesii Mary L. Bowerman 1931-3-8 557 Contra Costa w bank Mitchell Canyon, Mount Diablo Mount Diablo, Mitchell Canyon 304 Comment
  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
  UC880892  Nemophila menziesii Lewis S. Rose 1941-3-13 41029 Contra Costa 3 mi w Byron; w of Byron 30 Comment
  UCSB7545  Nemophila menziesii Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Saddle between North and South Peaks of Mount Diablo 883 Comment
  SEINET5521034  Nemophila menziesii var. intermedia P. Del Monte 1976-3-28 s.n. Contra Costa Morgan territory road, 1 mile north of Curry Creek Park 122 Comment
  UC596370  Nemophila pedunculata R. F. Hoover 1938-3-5 2816 Contra Costa mouth of Kirker Creek Canyon Comment
  UC1795825  Nicotiana glauca Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14627 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
  UC651281  Nicotiana glauca Ira L. Wiggins 1930-4-18 4604 Contra Costa e end Jersey Island 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
  JEPS99980  Oemleria cerasiformis G. Smick 2003-2-20 GAS 46 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC140362  Oemleria cerasiformis Volney Rattan 1883-4-1 s.n. Contra Costa Martinez Comment
  POM355601  Oenothera deltoides subsp. cognata H. de Forest 1930-4-6 s.n. Contra Costa Near mouth of San Joaquin River Comment
  RSA0027719  Oenothera deltoides subsp. cognata Barbara Ertter, Chris Thayer 1994-5-19 12782 Contra Costa Highway 4 between Brentwood and Oakley at Honey Lane, halfway between Cypress Rd and Delta Rd. Comment
  CAS-BOT-BC171591  Oenothera deltoides subsp. howellii P. A. Munz 1949-6-1 14436 Contra Costa Sand dunes east of Antioch. Comment
  CAS-BOT-BC171596  Oenothera deltoides subsp. howellii Peter Rubtzoff 1954-9-14 1756 Contra Costa Sand dunes along lower San Joaquin river, east of Antioch Comment
  UC914280  Oenothera deltoides subsp. howellii Verne Grant and Alva Grant 1947-4-13 7926 Contra Costa sand hills by river e Antioch Comment
  RSA119390  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 441 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  RSA119417  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 438 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  RSA0004532  Oenothera deltoides var. howellii Alice Eastwood, J. T. Howell 1936-4-19 2147 Contra Costa Sand dunes at Antioch Comment
  JEPS25159  Oenothera elata subsp. hookeri G. Thomas Robbins with John Weiler''G. Thomas Robbins (with John Weiler) 1959-5-23 4030 Contra Costa On low site at the northwest edge of Brooks Island San Francisco Bay, Richmond. Comment
  UC692444  Oenothera elata subsp. hookeri Mary L. Bowerman 1930-6-28 397 Contra Costa Lower Silver Spring Mount Diablo Comment
  RSA0056393  Oenothera hirtella Jim Shevock 1971-4-7 915 Contra Costa Mount Diablo State Park. 548 Comment
  SEINET7719109  Oenothera micrantha Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  UC2028243  Olea europaea Barbara Ertter, Tony Morosco 1998-9-18 16419 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  UC1050961  Origanum majorana N. Floy Bracelin 1942-8-2 2225 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC27861  Orobanche fasciculata W. H. Brewer 1862-6-20 1124 Contra Costa Hill North of Coal Mine, north of Mt. Diablo. Comment
  UC691742  Orobanche fasciculata Mary L. Bowerman 1931-5-23 900 Contra Costa Mount Diablo. Oyster Point. Comment
  JEPS99963  Orobanche uniflora G. Smick 2003-4-8 GAS 128 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2027723  Orobanche uniflora Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15511 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  CAS-BOT-BC502955  Orobanche vallicola John Thomas Howell 1929-9-21 4391 Contra Costa Marsh Creek Road, 7 miles SE of Clayton Comment
  SEINET12270163  Orthocarpus erianthus L. S. Rose 1932-1 32115 Contra Costa Nortonville Comment
  POM181478  Orthocarpus purpurascens I. L. Wiggins 1930-4-17 4555 Contra Costa 1 mi E of Mountain House on road to Byron. Comment
  JEPS15928  Osmorhiza berteroi W. L. Jepson May 23 1891-May 24 1891 14254 Contra Costa Mt. Diablo Comment
  RSA0068495  Osmorhiza berteroi Katie Gallagher, Nick Jensen 2014-4-26 179 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  RSA720798  Osmorhiza berteroi Mary L. Bowerman 1975-6-7 s.n. Contra Costa Mount Diablo, Big Spring Comment
  UC691788  Osmorhiza brachypoda Mary L. Bowerman 1935-6-15 3129 Contra Costa grassy ridge running n from Mitchell-Pine divide at 3100 foot level; Mount Diablo 868 Comment
  CDA28456  Oxalis carnosa G. D. Barbe 1976-3-25 2117 Contra Costa International Succulent Institute, 10 Corte Sombrita, between Moraga and Orinda. 0 Comment
  UC1795761  Panicum capillare Barbara Ertter, Lincoln Constance 1995-6-16 14262 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  JEPS103101  Papaver californicum Mary L. Bowerman 1978-5-14 Contra Costa E face of Eagle Peak, ravine toward Twin Peaks from Back Creek Mount Diablo Comment
  HSC94231  Papaver heterophyllum C. Newberry 1994-4-30 7247 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  JEPS101188  Parapholis incurva Dean W. Taylor 1990-4-10 10618 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 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
  CDA35606  Parentucellia viscosa Deviney 2011-7-1 PDR# 1645174 Contra Costa Port Costa, East Bay Regional Park Carquinez (Demartini Ranch), McEwen Road near John Muir Parkway. 0 Comment
  CDA22267  Parietaria judaica D. G. Kelch, A. G. Murdock 2005-5-23 5 .372 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  JEPS79630  Parvisedum pentandrum Edward Lee 1979-5-6 Contra Costa Mount Diablo, Lower Mitchell Canyon Lower Mitchell Canyon; Mount Diablo, Lower Mitchell Canyon Comment
  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
  UC2028558  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
  SEINET12728273  Pectocarya linearis T. S. Brandegee 1890-1 s.n. Contra Costa Antioch California. Comment
  UC766190  Pectocarya pusilla R. F. Hoover 1938-5-4 3351 Contra Costa peak to the e Tassajero Creek Comment
  JEPS10358  Pedicularis densiflora W. L. Jepson 1923-2-18 9845 Contra Costa Las Trampas Ridge Comment
  UC480619  Pedicularis densiflora Carl Meyer 1928-2-22 290 Contra Costa Mount Diablo Comment
  UC886639  Pedicularis densiflora Alice Eastwood 1922-3-17 11084 Contra Costa Mount Diablo Comment
  UCD123333  Pedicularis densiflora Collector unknown 1932-2-1 Contra Costa Mt. Diablo. 609 Comment
  POM118165  Pediomelum californicum H. M. Hall, F. M. Essig, C. C. Hall 1916-5-31 10133 Contra Costa Summit of Mount Diablo. 1170 Comment
  JEPS112051  Pellaea andromedifolia A. G. Murdock 2004-4-30 247 Contra Costa Franklin Canyon - McHarry Ranch Rd 126 Comment
  RSA686788  Pellaea andromedifolia Mark Morris 1929-03 14912 Contra Costa Mt. Diablo. Comment
  UC1874997  Pellaea andromedifolia A. G. Murdock 2004-2-13 1255 Contra Costa Martinez, McHarry Ranch Road, Franklin Canyon, at fire road entrance. Comment
  NY583852  Penstemon centranthifolius A. Kellogg 1869-4-8 680 Contra Costa Antioch Comment
  POM224482  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi E of Antioch. 15 Comment
  SEINET12320780  Penstemon centranthifolius Unknown 1980-1 3879 Contra Costa Lime Ridge, N end, S of Ygnacio Valley Rd between Walnut Creek & Concord Comment
  SEINET7719710  Penstemon centranthifolius Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS7555  Penstemon heterophyllus var. heterophyllus Mary L. Bowerman 1935-6-15 3132 Contra Costa Flat (first bottom) where stream forks Mount Diablo, Mitchell Creek, Flat (first bottom) (Mitchell Creek, Mount Diablo) 640 Comment
  JEPS85627  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1921-6-16 9315 Contra Costa Mt. Diablo Comment
  JEPS107104  Pentachaeta alsinoides Barbara Ertter, Lisa Schultheis 1995-4-27 14006 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
  SBBG122848  Pentachaeta alsinoides B. Ertter, L. Schulteis 1995-4-27 14006 Contra Costa end of Arbolado Drive, Lime Ridge open space NW of Mt Diablo 121 Comment
  UC1948934  Pentagramma triangularis subsp. triangularis William J. Ferlatte, L. Maynard Moe 1970-4-27 1240 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691888  Perideridia californica Mary L. Bowerman 1935-5-25 3075 Contra Costa Rhine Canyon Mount Diablo (gully bottom at top of rock gorge) 923 Comment
  UC1613941  Perideridia kelloggii Charles M. Belshaw 1935-6-24 1020 Contra Costa Sobrante Hills 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
  UCD99472  Persicaria lapathifolia Morris Halperin 1930-5-20 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC419323  Persicaria punctata Walter Knight 1965-9-7 1191 Contra Costa San Joaquin River - Antioch Sand Dunes Comment
  SJSU11250  Phacelia breweri D. C. Bettencourt 1959-4-18 Contra Costa by South Rd to summit of Mt Diablo 609 Comment
  UC24298  Phacelia breweri Harley P. Chandler 1901-4-5 969 Contra Costa Mt. Diablo Mt. Diablo (type locality) Comment
  UC24300  Phacelia breweri Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UC24302 Image available Phacelia breweri W. H. Brewer 1862-5-7 1058 Contra Costa summit Monte Diablo; summit of Mt. Diablo Comment
  UC2022567  Phacelia ciliata Lewis S. Rose 1932-3-15 3281 Contra Costa Byron Comment
  POM65595  Phacelia ciliata C. F. Baker 1903-4-26 2904 Contra Costa Byron Comment
  JEPS18324  Phacelia ciliata var. ciliata Rimo Bacigalupi with F. Chisaki 1957-3-27 5760 Contra Costa field along Newby rd 0.1 mi nw crossing with Empire Ave. (road) (about 2 mi sw of Oakley) 24 Comment
  UC35531  Phacelia ciliata var. ciliata Chesnut and Drew 1889-4-8 Contra Costa Summerville Comment
  UC881009  Phacelia ciliata var. ciliata Lewis S. Rose 1937-3-26 37013 Contra Costa Brentwood 6 Comment
  UC75117  Phacelia ciliata var. ciliata C. F. Baker 1903-4-26 2904 Contra Costa Byron Comment
  JEPS2024  Phacelia distans W. L. Jepson 1923-4-22 9879 Contra Costa Mt. Diablo Comment
  UC727775  Phacelia distans Milo S. Baker 1946-4-20 11333 Contra Costa summit of hwy s Clayton Comment
  UC24350  Phacelia divaricata W. H. Brewer 1862-5-7 1057 Contra Costa summit Monte Diablo Comment
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Sep 7 2009
  UC24352  Phacelia divaricata Brewer 1862-5-7 1057 Contra Costa Mt. Diablo Comment
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Sep 7 2009
  UC671741  Phacelia divaricata Lincoln Constance, Donald G. Nelson 1940-4-23 2571 Contra Costa 1 mi n Berkeley; The Arlington Comment
  RSA0027642  Phacelia divaricata Barbara Ertter, Tony Morosco 1998-4-12 16020 Contra Costa Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit. 854 Comment
  RSA276849  Phacelia douglasii James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  JEPS1082  Phacelia nemoralis subsp. nemoralis Mary L. Bowerman 1933-6-3 2233 Contra Costa Mount Diablo, Ranson Point Trail Mount Diablo; , Ranson Point Trail 1158 Comment
  JEPS1103  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Mount Diablo, Muir Area Mount Diablo; , Muir Area 1005 Comment
  POM252665  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo. Comment
  UC691328  Phacelia phacelioides Mary L. Bowerman 1933-4-26 1923 Contra Costa ese peak (s face); Mount Diablo, North Peak ridge 609 Comment
  UC691332  Phacelia phacelioides Mary L. Bowerman 1932-4-16 1343 Contra Costa Eagle Point Mount Diablo (n side) 670 Comment
  JEPS1330  Phacelia suaveolens Mary L. Bowerman 1933-5-11 2078 Contra Costa w ridge Mount Diablo, Inner Black Hills 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
  CHSC69643  Phacelia tanacetifolia James D. Jokerst 1989-3-31 3079 Contra Costa Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon. Comment
  JEPS100005  Phalaris aquatica S. O'Neil 2003-5-30 SEO 35 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA720842  Phalaris aquatica Barbara Ertter, Richard K. Rabeler 1994-6-6 12823 Contra Costa Point Isabel in south Richmond Comment
  JEPS70601  Phalaris minor W. L. Jepson 1918-6-5 7595 Contra Costa Donner Canyon Mt. Diablo (Mt. Diablo); vicinity of San Francisco Bay, Mt. Diablo 228 Comment
  CAS-BOT-BC265960  Phalaris minor Mary L. Bowerman 1933-4-15 1849 Contra Costa Canyon south of Arrroyo del Cerro, Mount Diablo Comment
  CDA15237  Phalaris paradoxa G. F. Hrusa, D. Crowe 1998-5-8 14368 Contra Costa Sacramento Delta; Disturbed areas about annual grasslands on Dow Chemical property at Pittsburg. Annual, to 1.5 meters tall. Comment
  UC2028531  Phalaris paradoxa Barbara Ertter 1998-5-3 16030 Contra Costa Macedo Ranch at southwest base of Mount Diablo. Comment
  JEPS99989  Phlox gracilis G. Smick 2003-3-25 GAS 80 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC963765  Phlox gracilis Herbert L. Mason 1926-3-7 2703 Contra Costa via Walnut Creek to summit to Danville to Niles Canyon; Mt. Diablo Comment
  UC2028439  Phoenix Barbara Ertter with Chris Thayer 1996-10-25 15357 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park Comment
  JEPS18381  Pholistoma membranaceum Rimo Bacigalupi with F. Chisaki 1957-3-27 5763 Contra Costa opposite John Marsh Historical Home (along Marsh Creek Rd.) 48 Comment
  CDA23776  Phoradendron macrophyllum D. G. Kelch 2007-10-6 7 .633 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  CDA7905  Phoradendron macrophyllum D. G. Kelch, A. G. Murdock 2005-1-16 5 .035 Contra Costa Carquinez Strait; Dutra fire road. Comment
  JEPS111927  Phoradendron serotinum subsp. tomentosum Dean G. Kelch and Andrew G. Murdock DGK 05 .035 Contra Costa Martinez - Franklin Hills. Carq. Shoreline EBRP. Contra Costa County CA. West of Martinez High School. Comment
  CAS-BOT-BC260886  Phragmites australis Walter Knight; Irja Knight 1978-9-5 3230 Contra Costa Browns Island 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
  UC1607654  Phragmites australis Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10707 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, near w end of <Browns> Island); Browns Island Comment
  CDA9279  Phragmites australis D. G. Kelch 2002-7-15 2 .007 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  CAS-BOT-BC202272  Pickeringia montana var. montana A. D. E. Elmer 1903-5-1 4315 Contra Costa Mount Diablo Comment
  CAS-BOT-BC202277  Pickeringia montana var. montana W. W. Carruth 1891-5-1 s.n. Contra Costa Moraga Valley Comment
  SBBG56314  Pilularia americana K. Brandegee 1909-4-24 Contra Costa Briones Rd, between Antioch and Marsh Crk Comment
  JEPS48223  Pinus attenuata H. M. Wheeler 1944-1-16 Contra Costa Oakland Hills Moraga Ridge; , Moraga Ridge Comment
  UC143  Pinus attenuata Jos. Burtt Davy 1897-1-1 Contra Costa Moraga Comment
  CAS-BOT-BC78544  Pinus coulteri Elizabeth McClintock 1967-10-22 4 Contra Costa Nortonville area Comment
  JEPS47876  Pinus coulteri W. L. Jepson 1909-6-25 3115 Contra Costa Mitchell Canyon Mt. Diablo, Mitchell Canyon Comment
  UC1134074  Pinus coulteri R. W. Lundh 1932-9-7 162 Contra Costa 1 mi N of Eagle Point 228 Comment
  UC1779708  Pinus halepensis Rudolf Schmid 1997-5-21 1997 -14 Contra Costa Hillside Natural Area, El Cerrito; NW of King Ct. entrance. 175 Comment
  UC907503  Pinus pinea Walter S. Malloch 1950-6-21 Contra Costa Lakewood subdivision Walnut Creek Comment
  JEPS48207  Pinus sabiniana W. L. Jepson 1909-6-25 3118 Contra Costa Mt. Diablo Comment
  UC1134128  Pinus sabiniana R. C. Wilson 1935-2-27 116 A Contra Costa 2 mi s Clayton; Mt. Diablo Quad. 259 Comment
  UC400309  Pinus sabiniana unknown 1896-3-29 Contra Costa Mitchell Canyon Mt. Diablo Comment
  CAS-BOT-BC72776  Pinus sabiniana Mary L. Bowerman 1933-5-10 2070 Contra Costa Mount Diablo, one hundred feet below Muir Area. Comment
  UC1200775  Pinus thunbergii L. R. Wright 1960-3-10 Contra Costa near Bryant Reservoir <Briones?>; Orinda Comment
  CDA15838  Piptatherum miliaceum R. M. Case 1999-10-22 PDR 1206166 Contra Costa San Francisco Bay Area; near Walnut Creek. 0 Comment
  JEPS60914  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-24 Contra Costa near Byron Comment
  JEPS90088  Plagiobothrys acanthocarpus Dean W. Taylor 1992-4-16 12390 Contra Costa s. Byron Hot Springs (in swale draining in e. margins of coordinates); San Joaquin Valley, Clifton Court Forebay 7 1/2 USGS map 45 Comment
  RSA666367  Plagiobothrys acanthocarpus Barbara Ertter 1989-4-5 8117 Contra Costa Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton 0 Comment
  UC691335  Plagiobothrys bracteatus Mary L. Bowerman 1935-6-28 3167 Contra Costa s summit (by Old Government Trail); Mount Diablo, Chase Pond 548 Comment
  JEPS123328  Plagiobothrys bracteatus David Gowen with Chris Thayer 2010-4-30 1093 Contra Costa North of Briones Reservoir. On Oursan Trail and adjacent slopeca. 2/3 of the way from Hampton Trail junction to the north end of the dam. Comment
  UC1795790  Plagiobothrys bracteatus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14031 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, wet ground around small pond west of road in grassy flat. 304 Comment
  UC78081  Plagiobothrys fulvus T. S. Brandegee May, 1889 Contra Costa Antioch Comment
  UC56203  Plagiobothrys fulvus H. M. Hall 1901-3-22 1693 Contra Costa near Clayton; Region of San Francisco Bay Comment
  CHSC67894  Plagiobothrys humistratus James D. Jokerst 1989-3-28 3060 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CHSC67895  Plagiobothrys humistratus James D. Jokerst 1989-3-29 3066 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  CDA40675  Plagiobothrys humistratus Jim Jokerst 1989-3-28 3060 Contra Costa Northwest of junction of Byron Hot Springs Road and Armstrong Road. Northeast of Livermore. 0 Comment
  UC766406  Plagiobothrys infectivus R. F. Hoover 1941-4-12 4835 Contra Costa 1 mi n Lone Tree Valley Comment
  UC24579  Plagiobothrys leptocladus J. Burtt Davy 1895-4-7 946 Contra Costa Antioch Comment
  UC78202  Plagiobothrys stipitatus Mrs. K. Brandegee May 1892 Contra Costa Brentwood Comment
  JEPS102297  Plagiobothrys stipitatus Jeff Greenhouse and Mary Ann Showers 2002-5-29 Contra Costa Dublin area, slated for development Comment
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Nov 10 2013
  UC573079  Plagiobothrys stipitatus var. micranthus H. L. Mason 1929-3-31 5144 Contra Costa Briones Valley Comment
  UC583291  Plagiobothrys stipitatus var. micranthus Lewis S. Rose 1936-4-24 36152 Contra Costa 10 mi s Antioch 30 Comment
  SD211568  Plagiobothrys stipitatus var. micranthus Barbara Ertter, Jim Jokerst and Dave Magney 1989-4-5 8126 Contra Costa Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton Comment
  SD4240  Plagiobothrys tenellus T. S. Brandegee May 1888 Contra Costa Antioch Comment
  UC78090  Plagiobothrys tenellus Katharine Curran April 1885 Contra Costa Antioch Comment
  CHSC67898  Plagiobothrys trachycarpus James D. Jokerst 1989-3-28 3054 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC1618201  Plagiobothrys trachycarpus 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
  UC767584  Plagiobothrys trachycarpus R. F. Hoover 1941-4-12 4840 Contra Costa 1 mi. n. Lone Tree Valley Comment
  UC924232  Plagiobothrys trachycarpus H. S. Reed 1940-4-30 353 Contra Costa Marsh Creek Road Mount Diablo (Mount Diablo) 365 Comment
  RSA128482  Plagiobothrys trachycarpus Robert F. Hoover 1941-4-12 4840 Contra Costa 1 mile N of Lone Tree Valley. Comment
  JEPS116853  Plagiobothrys undulatus David Gowen 2007-4-16 677 Contra Costa Briones Regional Park in vernal depression northeast of Sindicich Lagoon. Comment
  RSA523620  Plantago bigelovii subsp. bigelovii S. Galen Smith, R. C. Bacigalupi 1957-4-28 2851 Contra Costa 1 mile S of Byron. Comment
  CDA21563  Plantago coronopus D. G. Kelch 2008-9-1 8 .295 Contra Costa Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez. Comment
  UC1618130  Plantago coronopus Nancy Hillyard 1997-7-1 Contra Costa Tilden Park in hills behind Berkeley (on Nimitz Trail); Tilden Park, Nimitz Trail 300 Comment
Read comments
Aug 20 2009
  JEPS15288  Plantago elongata Rimo Bacigalupi with G. T. Robbins 1956-3-26 5528 Contra Costa about 1 mi n Briones Valley (along Deer Valley Road); Deer Valley 76 Comment
  UC1745803  Plantago elongata Annetta M. Carter 1934-3-30 454 Contra Costa Donovan Rd. to Pittsburgh, about 2 mi. SW of Nortonville. Comment
  UC2042062  Plantago erecta Katie Gallagher with Nick Jensen 2014-4-26 189 Contra Costa Las Tramps Regional Wilderness. Comment
  POM61278  Plantago erecta C. F. Baker 1903-4-28 2828 Contra Costa Marsh Creek, Mt. Diablo. Comment
  RSA755543  Plantago erecta Barbara J. Ertter, Jim Jokerst, Dave Magney 1989-4-5 8141 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  SD131987  Plantago erecta W. L. Jepson 1923-4-22 9872 Contra Costa On hilltops. Mt. Diablo. Comment
  CDA34009  Plantago lanceolata D. G. Kelch 2011-3-31 11 .081 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  CHSC21614  Plantago major Willis Ball 1975-2-23 434 Contra Costa Contra Loma Regional Park. Small population in area #1 spread out in picnic area ca. 100 yds s of lake. 10 yds n of w end of parking lot. 45 Comment
  JEPS22091  Plantago maritima var. juncoides G. Thomas Robbins 1958-7-19 3903 Contra Costa about 0.75 mi s Pt. San Pablo, Potrero San Pablo, Richmond; San Francisco Bay, Pt. Orient Comment
  SJSU7798  Plantago subnuda G. A. Samuelson 1955-5-22 Contra Costa McAvoy Boat Harbor, McAvoy Comment
  JEPS111988  Platystemon californicus D. G. Kelch 2004-3-12 04 .34 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  UC101597  Platystemon californicus Katharine Brandegee 1907-5-5 g Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  CAS-BOT-BC91599  Platystemon californicus Mary L. Bowerman 1932-3-23 1133 Contra Costa Mount Diablo. Overlooking Donner Canyon. 304 Comment
  UC692174  Platystemon californicus Mary L. Bowerman 1932-3-23 1133 Contra Costa rocky outcrop overlooking Donner Canyon, Mount Diablo; Mount Diablo 304 Comment
  UCD32384  Platystemon californicus Beecher Crampton 1950-4-22 528 Contra Costa Contra Costa County, above Judsonville, above old Empire Mine to south around top of hills. 182 Comment
  JEPS6155  Plectritis brachystemon L. T. Dempster 1954-5-29 P 14 Contra Costa Orinda, Canyon Drive Orinda; , Canyon Drive Comment
  UC1607967  Plectritis ciliosa Donald G. Nelson 1937-3-30 463 Contra Costa along Marsh Creek Rd. between Clayton and Byron Comment
  JEPS12782  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-4 4975 Contra Costa s of and above Nortonville ((site)) 304 Comment
  CAS-BOT-BC260944  Pleuropogon californicus var. californicus Ynes Mexia 1929-4-21 2388 Contra Costa Junction of Franklin Canyon 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
  JEPS100035  Poa annua S. O'Neil 2003-5-8 SEO 28 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618191  Poa bulbosa Barbara Ertter, Lynne Hosley 1993-4-17 11507 Contra Costa ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side open meadow along Blue Oak trail, Morgan Territory); Morgan Territory 609 Comment
  CDA35481  Poa bulbosa Ed Finley 1992-4-9 PDR# 962398 Contra Costa Morgan Territory Regional Preserve, near Mt. Diablo. 0 Comment
  UC691190  Poa howellii Mary L. Bowerman 1935-5-18 3020 Contra Costa nw facing slope across rd from and a little e of Parking area; Mt Diablo 1066 Comment
  UC692328  Poa howellii Mary L. Bowerman 1933-5-21 2148 Contra Costa below Grape Spring (s from Curry Canyon); Mt Diablo Comment
  UCSB12522  Poa pratensis Grah, Nancy 1962-4-14 Contra Costa .2 miles north of Miner Rd. on Sleepy Hollow Lane, Orinda 182 Comment
  CAS-BOT-BC236384  Poa secunda subsp. secunda Mary L. Bowerman 1933-5-3 1984 Contra Costa Mount Diablo. [Indian Ceremonial] Canyon, a little below and across the stream from the spring 731 Comment
  UC691174  Poa secunda subsp. secunda Mary L. Bowerman 1932-3-27 1140 Contra Costa below Mitchell Rock; Mt Diablo Comment
  UCD91679  Poa secunda subsp. secunda P. B. Kennedy 1925-4-25 s.n. Contra Costa Road to Sycamore Canyon, Mt. Diablo. Comment
  UC1607677  Pogogyne serpylloides Barbara Ertter, Chris Thayer 1993-5-7 11696 Contra Costa East Bay Municipal Utilities District land e. Tilden Park (Hopkins Spring 0.5 mi. s.e. of Inspiration Point on Wildcat Canyon Rd.); Hopkins Spring 304 Comment
  UC1795893  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). 182 Comment
  RSA0027949  Pogogyne serpylloides Barbara Ertter 1997-9-14 15803 Contra Costa WSW base of Mount Diablo, along creek at fence line between Pine Ridge and lower Wall Point Road from Macedo Ranch. Comment
  SEINET13947028 Image available Pogogyne serpylloides Joseph Andorfer Ewan 1935-1 9305 Contra Costa E slope of Bald Peak, San Pablo Ridge; 1800 ft alt. 549 Comment
  UC1988933  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  CHSC67525  Pogogyne zizyphoroides Lori May 1990-6-6 Contra Costa E of Bixley Rd., ca. 0.5 mi N of Hwy. 4. Comment
  UC1988939  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 mi S of Antioch Comment
  UC32588  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC691130  Polygonum amphibium Mary L. Bowerman 1935-7-22 3185 Contra Costa Hidden Pond Mount Diablo (s side Meridian Peak, nw 1/4, section 12) 518 Comment
  JEPS48933  Polygonum amphibium var. emersum W. L. Jepson 1944-10-27 27551 Contra Costa Moraga Valley; in a deep ditch Comment
  UC1192327  Polygonum amphibium var. stipulaceum Malcolm A. Nobs and S. Galen Smith 1949-7-7 937 Contra Costa Webb Island Sacramento Delta peat lands (edge of drainage ditch) Comment
  UC650682  Polygonum aviculare subsp. aviculare Ira L. Wiggins 1930-4-18 4612 Contra Costa Jersey Island Comment
  CHSC97872  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-7-14 06 .328B Contra Costa Along Marine Vista Ave immediately west of Pacheco Slough. East of Martinez. 1 Comment
  JEPS112027  Polygonum aviculare subsp. depressum Dean G. Kelch and Andrew G. Murdock 2004-7-9 DGK 04 .290Z Contra Costa Edwards Creek Crockett CA. Comment
  CAS-BOT-BC414177  Polygonum aviculare subsp. depressum R. E. Frenkel 1963-9-8 278 Contra Costa On Walnut Blvd., Walnut Creek 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
  UC1818962  Polygonum persicaria Barbara Ertter 1995-8-19 14504 Contra Costa Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water. Comment
  CDA42732  Polypodium calirhiza A. G. Murdock 2003-2-21 71 Contra Costa Carquinez Strait Region; Martinez; on top of north-facing hill above train tunnel on Mt. Wanda. Comment
  UC692122  Polypodium calirhiza Mary L. Bowerman 1933-12-2 2478 Contra Costa rocks by Alder Canyon Alder Canyon; Mt. Diablo 533 Comment
  UC805287  Polypodium calirhiza W. H. Wagner Jr. 1950-6-4 Contra Costa along rd. above San Pablo Reservoir (near Inspiration Point) Comment
  UCR254829  Polypogon Peter Rubtzoff 1968-9-18 5965 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  RSA0024902  Polypogon Peter Rubtzoff 1968-9-18 5966 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  UC50634  Polypogon monspeliensis Jos. Burtt Davy 1900-6-7 6672 Contra Costa near Martinez; near Martinez Comment
  UCD91254  Polypogon monspeliensis Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC232581  Polypogon monspeliensis Mary L. Bowerman 1932-8-27 1521 Contra Costa Mount Diablo. Spring S of Turtle Rock Comment
  CAS-BOT-BC232586  Polypogon monspeliensis L. R. Abrams 1916-6-30 5715 Contra Costa Mount Diablo, near lake Comment
  CAS-BOT-BC237471  Polypogon viridis Mary L. Bowerman 1936-8-17 3527 Contra Costa Mount Diablo. Sulphur Spring in Pine Canyon 137 Comment
  POM181439  Populus fremontii subsp. fremontii Ira L. Higgins 1930-4-18 4602 Contra Costa [Levee bank?]. SE side Jersey School. Comment
  UC2042775  Potamogeton berchtoldii Barbara Ertter with Lynne Hosley 1992-8-29 11267 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, stock pond near junction of Eagle and Volvon trails at north end of preserve. Comment
  UC1099893  Potamogeton crispus Malcolm A. Nobs, S. Galen Smith 1949-7-7 939 Contra Costa Webb Island in the Sacramento River Delta; San Joaquin Valley Comment
  CAS-BOT-BC453906  Potamogeton pectinatus Walter Knight; Joanne Dean 1978-8-14 3155 Contra Costa Browns Is. Comment
  JEPS78628  Potamogeton pectinatus Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3295 Contra Costa mouth of Crooked Slough; Browns Island, East Bay Regional Park District Comment
  SEINET11268163  Potamogeton pectinatus Barbara Ertter 1998-6-20 16254 Contra Costa NW side of Mount Diablo, Willow Spring Pond south of Ginder Gap.; 0 Comment
  UC2046367  Potamogeton richardsonii Barbara Ertter 2015-10-9 22454 Contra Costa Antioch marina on San Joaquin River delta. Comment
  CDA43052  Potamogeton richardsonii D. Kratville & F. Maly 2014-7-9 s.n. Contra Costa Clifton Court Forebay. 0 Comment
  CAS-BOT-BC143056  Potentilla anserina subsp. pacifica Walter Knight; J. Dean; B. Mortensen; R. Bensler; B. Atwater 1959-4-13 3361 Contra Costa Botany Cove. Brown's Island Comment
  CDA29217  Potentilla glandulosa D. G. Kelch 2006-5-7 9 .153 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS23821  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
  UC74103  Proserpinaca pectinata N. L. Gardner 1905-11-14 Contra Costa near Richmond 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
  JEPS99978  Prunus dulcis G. Smick 2003-2-18 GAS 63 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028141  Prunus dulcis Barbara Ertter 1998-4-4 15974 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill. Comment
  JEPS111725  Pseudognaphalium beneolens D. G. Kelch 2004-7-9 04 .304 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; Martinez along Alhambra Drive 3 Comment
  JEPS111729  Pseudognaphalium beneolens D. G. Kelch 2004-7-16 04 .318 Contra Costa Martinez - South Pine St. Entrance to Rte 4 heading west 70 Comment
  UC1795890  Pseudognaphalium californicum Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14636 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation. 91 Comment
  CAS-BOT-BC357222  Pseudognaphalium microcephalum Walter Knight; I. Knight 1977-7-25 s.n. Contra Costa Black Diamond Mines Regional Preserve. Nortonville town site 167 Comment
  UC1733839  Psilocarphus chilensis Kay H. Beach 1941-4-30 1083 a Contra Costa near Byron Hot Springs Station Comment
  CAS-BOT-BC361878  Psilocarphus tenellus John Thomas Howell 1930-4-22 4748 Contra Costa Bald Peak Comment
  RSA31229  Psilocarphus tenellus var. tenellus Joseph A. Ewan 1936-5-3 9497 Contra Costa Wildcat Creek near Orinda road bridge. Comment
  RSA600819  Psoralea physodes Joseph A. Ewan 1934-4-8 8752 Contra Costa Mt. Diablo: Marsh Creek. 243 Comment
  POM138622  Ptelea angustifolia Katherine Brandegee 1907-6-16 s.n. Contra Costa Antioch Comment
  RSA126045  Ptelea baldwinii subsp. crenulata A. D. E. Elmer 1903-05 4327 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC148625  Ptelea crenulata Mary L. Bowerman 1930-6-22 357 Contra Costa Mitchell Canyon, Mount Diablo Comment
  CAS-BOT-BC148629  Ptelea crenulata Alice Eastwood 1897-5-31 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC148630  Ptelea crenulata Alice Eastwood; John Thomas Howell 1936-4-19 2134 Contra Costa Nortonville Comment
  CAS-BOT-BC148647  Ptelea crenulata Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  JEPS40168  Ptelea crenulata H. L. Mason 1928-3-31 Contra Costa Mt. Diablo Comment
  JEPS40173  Ptelea crenulata W. L. Jepson 1918-6-5 7603 a Contra Costa Donner Canyon; Mt. Diablo Comment
  SJSU758  Ptelea crenulata C. D. Duncan 1942-4-26 Contra Costa lower E slope, Mt Diablo Comment
  UCD116921  Ptelea crenulata P. B. Kennedy 1929-4-25 s.n. Contra Costa Marsh Creek Road. Comment
  UCR17982  Ptelea crenulata Dr. H. de Forest 1930-4-6 s.n. Contra Costa San Francisco Bay Region, SE of Nortonville, SW of Antioch, east of Concord 274 Comment
  SBBG3977  Ptelea crenulata J. M. Tucker 1941-8-28 383 Contra Costa Curry Cyn, 3 mi S of jct of Curry Cyn Rd with Clayton-Byron Rd Comment
  UC6916  Pterostegia drymarioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  UCD35992  Pterostegia drymarioides Beecher Crampton 1949-4-1 422 Contra Costa Contra Costa County, Moraga Ridge. 60 Comment
  UC1738832  Puccinellia simplex Dean W. Taylor 1990-4-10 10619 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  UC2027759  Pyracantha angustifolia Barbara Ertter 1997-1-5 15433 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  UC2027947  Pyrus communis Barbara Ertter 1997-9-7 15792 Contra Costa North side Mount Diablo, cabin site on Donner Creek, in persisting orchard. Comment
  UC5818  Quercus H. P. Chandler 1900-3-24 Contra Costa Orinda Prak Mount Diablo Comment
  UC691319  Quercus X morehus Mary L. Bowerman 1931-9-27 1046 Contra Costa n side North Peak (near Quicksilver Mine); Mount Diablo Comment
  CAS-BOT-BC45657  Quercus agrifolia John Thomas Howell 1926-12-27 2274 Contra Costa Near Oakley Comment
  CDA21816  Quercus agrifolia D. G. Kelch 2007-3-24 7 .083 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  UC691326  Quercus agrifolia Mary L. Bowerman 1935-4-22 2881 Contra Costa 2 mi from West road (= North Rd.) entrance (N. Gate) (on s side of road); Mount Diablo Comment
  CDA20380  Quercus agrifolia var. agrifolia P. Akers 2002-5-11 s.n.- 2 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  UC691303  Quercus berberidifolia Mary L. Bowerman 1931-10-13 1057 Contra Costa Alamo Canyon, by gully running w into creek just s of main ridge Mount Diablo Comment
  UC691306  Quercus berberidifolia Mary L. Bowerman 1933-4-15 1878 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  RSA0041717  Quercus berberidifolia Mary L. Bowerman 1930-10-19 490 Contra Costa South road at Garden-of-the-Gods (Fossil Ridge). Comment
  CAS-BOT-BC62697  Quercus chrysolepis Mary L. Bowerman 1931-4-25 778 Contra Costa Mt. Diablo summit Comment
  UC405353  Quercus chrysolepis W. P. Taylor 1912-7-26 Contra Costa w side Mt. Diablo Comment
  UCR247487  Quercus chrysolepis Dean Kelch 2011-5-4 11 .224 Contra Costa Central Coast, near Morgan Territory Regional Park, west of Morgan Territory Road 610 Comment
  CAS-BOT-BC86645  Quercus douglasii H. E. McMinn 1922-10-1 403 Contra Costa Mitchell Canyon, Mt. Diablo 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
  JEPS111964  Quercus douglasii D. G. Kelch 2004-9-2 04 .344 Contra Costa Martinez - West: Ozol Rock and Scenic Drive East of Ozol 22 Comment
  RSA476582  Quercus douglasii Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  SEINET14301650 Image available Quercus douglasii Unknown Contra Costa Near North Gate Rd., Mt. Diablo Comment
  UC1135564  Quercus durata R. C. Wilson 1935-3-29 164 Contra Costa 1 mi w Deer Flat; Mount Diablo 685 Comment
  UC691323  Quercus durata Mary L. Bowerman 1931-5-19 869 Contra Costa Donner Canyon trail Mount Diablo 274 Comment
  OBI14287  Quercus durata var. durata H. E. McMinn 22-Oct 408 Contra Costa Mitchell Cyn-Mt. Diablo Comment
  UC691287  Quercus garryana Mary L. Bowerman 1935-11-30 3352 Contra Costa between Gibralter Rock and Rock City Road; Mount Diablo Comment
  CAS-BOT-BC94291  Quercus garryana Mary L. Bowerman 1930-10-19 493 Contra Costa Fossil Ridge S of Garden of the Gods Comment
  UC2042780  Quercus kelloggii Barbara Ertter with Travis Columbus 1990-6-10 9115 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, SE Alhambra Valley staging area Comment
  UC691320  Quercus kelloggii Mary L. Bowerman 1930-6-26 377 Contra Costa s of Riggs Canyon road (Clayton-Livermore road); Mount Diablo Comment
  UCSC008846  Quercus kelloggii Al Keuter 2014-5-23 AK 00 -096 Contra Costa Along Bear Creek Road at San Pablo Creek. 91 Comment
  OBI22995  Quercus kelloggii Cathy Peterson 1971-11-6 8 Contra Costa Mount Diablo, south side, approx 35 yds from Rock City entrance 610 Comment
  RSA388017  Quercus palmeri J. M. Tucker 1981-4-25 4453 -K Contra Costa Antonio Souza Ranch, SW of Byron. 309 Comment
  CDA29568  Quercus parvula var. shrevei D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .332 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  UC1748015  Quercus parvula var. shrevei E. Dean with B. Ertter, J. M. Tucker, K. Chaney 2000-9-13 650 Contra Costa El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., jct of Heavenly Ridge Trail and Manzanita Trail El Sobrante 213 Comment
  CAS-BOT-BC104715  Quercus wislizeni H. E. McMinn s.n. Contra Costa near summit of Mt. Diablo Comment
  JEPS37842  Quercus wislizeni W. L. Jepson 1923-6-10 9983 Contra Costa near divide from Clayton (Marsh Creek); Mt. Diablo, Marsh Creek Comment
  UC691952  Ranunculus aquatilis Mary L. Bowerman 1933-3-18 1754 Contra Costa Hidden Pond Mount Diablo Comment
  RSA132889  Ranunculus aquatilis var. capillaceus Simon Simonian 1954-8-24 1311 a Contra Costa Entersprise Canal, east-west section crossing of McKinley Ave west of McDonough Ave., 2 miles north of Centerville. Main canal. Comment
  CAS-BOT-BC379110  Ranunculus aquatilis var. diffusus A. D. E. Elmer 1903-5-1 4318 Contra Costa Mount Diablo Comment
  RSA224309  Ranunculus aquatilis var. hispidulus Mary L. Bowerman, Walter Knight, I. Knight 1968-6-4 2331 Contra Costa floating on Frog Pond Mt. Diablo State Park Comment
  UC2029176  Ranunculus aquatilis var. subrigidus Barbara Ertter with Alan Prather 2003-6-7 18190 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, pond NE of main trailhead. Comment
  JEPS112058  Ranunculus californicus D. G. Kelch 2004-5-2 04 .161 Contra Costa Crockett - Edwards Canyon Edwards Canyon, Crockett, Contra Costa County, CA 125 Comment
  JEPS99974  Ranunculus californicus S. O'Neil 2003-2-18 SEO 3 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC70183  Ranunculus californicus J. Burtt Davy May 1898 Contra Costa Danville Region of Mount Diablo Comment
  UCD95957  Ranunculus californicus P. B. Kennedy 1916-5-11 s.n. Contra Costa Grand View Terrace; Richmond District. Comment
  POM268436  Ranunculus californicus Mary L. Bowerman 1932-3-23 1127 Contra Costa E of Donner Creek 244 Comment
  UC732542  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
  UCR263546  Ranunculus canus Barbara Ertter, R. K. Brummitt 1998-5-6 16090 Contra Costa San Francisco Bay Region, lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin 274 Comment
  POM268399  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Mt. Diablo near Danville; Mt. Range: Mt. Diablo; Watershed: Walnut Creek 152 Comment
  RSA0027697  Ranunculus canus Barbara J. Ertter, Stu Garrett 1997-3-29 15523 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC2028119  Ranunculus canus Barbara Ertter with Richard K. Brummitt 1998-5-6 16090 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner. Comment
  UC692190  Ranunculus canus var. canus Mary L. Bowerman 1932-3-23 1127 Contra Costa East of Donner Creek; Mount Diablo Comment
  POM268694  Ranunculus canus var. laetus Jos. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  UC118247  Ranunculus hebecarpus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC692125  Ranunculus hebecarpus Mary L. Bowerman 1932-3-23 1130 Contra Costa ridge e Donner Canyon (at saddle); Mount Diablo 274 Comment
  POM269207  Ranunculus hebecarpus Mary L. Bowerman 1935-4-12 2807 Contra Costa W road immediately S of section 33. 183 Comment
  SEINET7720851  Ranunculus hebecarpus Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  JEPS99975  Ranunculus muricatus G. Smick 2003-4-29 GAS 147 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618351  Ranunculus muricatus Barbara Ertter, Chris Thayer 1993-5-7 11716 Contra Costa e of Tilden Park (1/2 mi n of Vollmer (=Bald)Peak in East Bay Municipal Utiliteis District land); East Bay Municipal Utiliteis District land 304 Comment
  UC1795755  Ranunculus sceleratus Barbara Ertter, Kristin Ertter 1995-7-11 14485 Contra Costa West side of Mt Diablo SW of Walnut Creek; mudflat around inlet to Pine Pond. Comment
  JEPS100009  Raphanus raphanistrum G. Smick 2003-4-8 GAS 132 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2027737  Raphanus raphanistrum Barbara Ertter 1997-2-11 15454 Contra Costa North base of Mount Diablo, vacant lot on Regency Drive (en route to Donner Canyon trailhead). Comment
  CDA23557  Raphanus sativus D. G. Kelch 2008-3-3 8 .03 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  CHSC75075  Raphanus sativus Roger Thom 1987-5-26 19 Contra Costa 2800 block of Buena Vista Ave. Walnut Creek. 30 Comment
  POM181430  Raphanus sativus I. L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island. Comment
  UC1784204  Rhamnus californica Ethel Crum 1930-9-29 858 Contra Costa Marsh Creek Road to Holt Comment
  UC692615  Rhamnus californica Mary L. Bowerman 1930-8-31 451 a Contra Costa e of Sloan place (Sloan Road); Mount Diablo, Inner Black Hills Comment
  JEPS112066  Rhamnus californica subsp. californica D. G. Kelch 2003-3-21 03 .69 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive 40 Comment
  JEPS112064  Rhamnus crocea Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 Comment
  UC692583  Rhamnus crocea Mary L. Bowerman 1930-6-22 361 Contra Costa Deer Flat Mount Diablo Comment
  CAS-BOT-BC59894  Rhamnus ilicifolia A. D. E. Elmer 1903-5-1 4326 Contra Costa Mount Diablo. Comment
  JEPS42024  Rhamnus ilicifolia W. L. Jepson 1920-9-6 9079 Contra Costa Donner Canyon Mt. Diablo Comment
  UC1121879  Rhamnus ilicifolia G. T. Nordstrom 1937-11-9 1411 Contra Costa 3.2 mi se Somerville; Mt. Diablo Quad. 198 Comment
  UC1121885  Rhamnus ilicifolia R. C. Wilson 1935-2-27 117 Contra Costa 2 mi s Clayton; Mt. Diablo Quad. 259 Comment
  JEPS95251  Rhamnus tomentella Steve Edwards 1995-9-22 Contra Costa Briones Regional Park, Bear Creek Entrance, near junction of trails to archery range and lagoons Comment
  UC1818932  Rhamnus tomentella subsp. tomentella Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14593 Contra Costa East side of Mt. Diablo, mid-slope on Prospectors-Gap Rd. in solid brushland. Comment
  UC692594  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1932-11-19 1657 Contra Costa Lower Grapevine Spring, at head of spring Mount Diablo Comment
  JEPS111590  Rhus trilobata D. G. Kelch 2005-3-26 05 .98 Contra Costa Pinole Peak Fernandez Ranch. South side - road from Perreria Road to Pinole Peak Ridge. Rare shrub up to 1.5 ms 150 Comment
  UC692576  Rhus trilobata Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point Ridge; Mount Diablo 350 Comment
  UC692578  Rhus trilobata Mary L. Bowerman 1933-3-25 1776 Contra Costa Diablo Stock Farm (Stone Valley) Canyon; Mount Diablo Comment
  JEPS104681  Ribes John L. Morrison 1937-4-11 2101 Contra Costa Along a small tributary running into Wildcat Creek, about 1 mi below the C.C.C Camp Comment
  SBBG28501  Ribes californicum E. Mulliken 1905-1-28 Contra Costa Wildcat Cyn, Berkeley Hills Comment
  UC480600  Ribes californicum Carl Meyer 1928-2-22 285 Contra Costa Mt. Diablo Comment
  UC692214  Ribes californicum Mary L. Bowerman 1930-6-22 366 Contra Costa Mitchell Canyon Mount Diablo Comment
  CDA25524  Ribes californicum var. californicum D. G. Kelch, A. G. Murdock 2003-2-7 3 .036 Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  JEPS100039  Ribes californicum var. californicum S. O'Neil 2003-2-25 SEO 9 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCSB2606  Ribes californicum var. californicum Keator, Glenn 1959-7-1 Contra Costa About 2 mile above Laurel camp; on Mt. Diablo Comment
  CHSC20642  Ribes divaricatum Carol C. Getzinger 1964-4-26 51 Contra Costa Wildcat Canyon Road 1.3 miles from junction with Spruce Street and Grizzly Peak Boulevard. 152 Comment
  UC11524  Ribes divaricatum var. pubiflorum J. Burtt Davy 1895-4-13 997 Contra Costa near Lafayette Comment
  CAS-BOT-BC168923  Ribes malvaceum Alice Eastwood; John Thomas Howell 1936-4-19 2140 Contra Costa Nortonville Comment
  JEPS79410  Ribes malvaceum Edward Lee with Annetta Carter 1936-5-24 2168 Contra Costa 10 mi from Marsh Creek Road; Mt. Diablo, Morgan Territory Comment
  JEPS22440 Image available Ribes menziesii Mary L. Bowerman 1930-6-10 314 Contra Costa summit Mt. Diablo Comment
  UC692435  Ribes menziesii Mary L. Bowerman 1933-6-3 2248 Contra Costa summit Meridian Peak (n side); Mt. Diablo 1127 Comment
  UC2070465  Ribes quercetorum Barbara Ertter 2003-3-28 18112 Contra Costa Round Valley Regional Preserve, Miwok Trail at east end of Round Valley Creek. 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
  UC1177378  Ribes sanguineum var. glutinosum Peter H. Raven 1950-3-5 1397 Contra Costa upper trail Redwood Canyon 243 Comment
Read comments
Aug 9 2011
  CAS-BOT-BC362963  Rigiopappus leptocladus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  UC697154  Rigiopappus leptocladus Mary L. Bowerman 1935-4-22 2890 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 853 Comment
  UC697163  Rigiopappus leptocladus Mary L. Bowerman 1933-5-8 2016 Contra Costa n side near crest Fossil Ridge; Mount Diablo, n side near crest Fossil Ridge Comment
  JEPS99482  Rigiopappus leptocladus Mary Bowerman 1977-5-29 Contra Costa Mount Diablo. SW corner Russellman Park. 365 Comment
  CAS-BOT-BC74445  Rorippa curvisiliqua J. Bauer 1851-5-1 187 Contra Costa Ad mond Diablo [At Mount Diablo]. Comment
  UC691057  Rorippa nasturtium-aquaticum Mary L. Bowerman 1930-6-5 244 Contra Costa West Road 5.8 mi from entrance Mount Diablo (West Road = North Road) Comment
  UC1789172  Rosa eglanteria Barbara Ertter 2001-11-3 17812 Contra Costa Tilden Regional Park, Selby Trail ca. 1/4 miles north of Lake Anza Comment
  UCD113849  Rosa gymnocarpa Collector Unknown Date Unknown 61 Contra Costa Near top of ridge to W of Central Franklin Canyon. 228 Comment
  JEPS112073  Rubus ulmifolius var. inermis A. G. Murdock 2004-5-28 307 Contra Costa Luzon 60 Comment
  UC12995  Rubus ursinus W. H. Brewer 1862-4-30 1013 Contra Costa Camp 69 Walnut Creek (Walnut Creek) Comment
  UC2029019  Rubus ursinus Barbara Ertter 1999-7-17 16767 Contra Costa Tilden Regional Park, trail to Jewell Lake paralleling Wildcat Creek, through thick woodland growth. Comment
  SEINET11918854  Rubus vitifolius M. T. Doutt 1930-9-9 93 Contra Costa Marsh Creek Comment
  UC1594200  Rumex acetosella Jerry Powell 1992-4-7 1635 Contra Costa Richmond Field Station Comment
  RSA0033845  Rumex conglomeratus Barbara Ertter 2000-7-16 17380 Contra Costa Diablo Foothills Regional Park, along Pine Creek between Castle Rock Recreation Area and flood-control checkdam. 106 Comment
  UC1618384  Rumex conglomeratus Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10698 Contra Costa opposite of Pittsburg Marina (in center of w end of Browns Island n of Pittsburg near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  CAS-BOT-BC421739  Rumex conglomeratus Walter Knight 1965-9-7 1176 Contra Costa Antioch sand dunes. Comment
  UC692070  Rumex crispus Mary L. Bowerman 1930-10-4 478 Contra Costa Maple Spring Mount Diablo Comment
  CAS-BOT-BC421625  Rumex crispus Ira L. Wiggins 1930-4-18 4605 Contra Costa Jersey Island Comment
  UC1795777  Rumex pulcher Barbara Ertter, Mary Bowerman 1995-6-11 14247 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present). 91 Comment
  CAS-BOT-BC433753  Rumex pulcher Mary L. Bowerman 1938-5-28 3644 Contra Costa Mount Diablo. Maple Spring 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
  JEPS22039  Rupertia physodes G. Thomas Robbins 1958-7-6 3890 Contra Costa along Pinehurst Road about 1/4 mi above Alameda Co. line (on slopes above Upper San Leandro Reservoir) 228 Comment
  JEPS97695  Rupertia physodes Annetta M. Carter, Edward Lee 1936-5-24 1191 Contra Costa Marsh Creek about 2 mi. SE of Curry Canyon. Comment
  OBI78191  Rupertia physodes Joseph Andorfer Ewan 1934-4-8 8752 Contra Costa S Fk. Marsh Creek, Mt. Diablo 244 Comment
  POM196438  Rupertia physodes Victor Duran 1383 Contra Costa Oakland Hills 305 Comment
  JEPS111530  Ruppia maritima D. G. Kelch 2005-5-5 05 .214 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 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
  CAS-BOT-BC129910  Salix bonplandiana Alice Eastwood 1921-4-18 10266 Contra Costa Antioch Comment
  UC650566  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa levees, Jersey Isl. Jersey Isl. Comment
  CAS-BOT-BC104088  Salix hindsiana Ira L. Wiggins 1930-4-18 4587 Contra Costa Levee banks, Jersey Island Comment
  UCD35153  Salix hindsiana Beecher Crampton 1950-7-4 600 Contra Costa Railroad embankment, Richmond. Comment
  POM167563  Salix laevigata C. F. Baker 1903-4-28 2814 Contra Costa Mitchell Canyon. Mt Diablo. Comment
  POM167721  Salix laevigata W. C. Blasdale 1896-2-29 s.n. Contra Costa Clayton. Comment
  POM300613  Salix laevigata Mary L. Bowerman 1933-5-10 2067 Contra Costa Spring on ridge below Indian Ceremonial Spring. Mt. Diablo. 976 Comment
  SEINET3158569  Salix laevigata H. P. Chandler 1901-3-22 858 Contra Costa Pacheco Comment
  SJSU6174  Salix laevigata C. O. Dudley 1966-4-4 74 Contra Costa Reliez Valley, Briones Hills, N of Lafayette Comment
  UC521720  Salix laevigata Joseph Andorfer Ewan 1933-10-15 8034 Contra Costa Indian Ceremonial Spring Mt. Diablo, Indian Ceremonial Spring Comment
  RSA0030832  Salix laevigata Walter C. Blasdale 1896-2-29 s.n. Contra Costa Clayton. Comment
  OBI70551  Salix lasiolepis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .087 Contra Costa Alvarado Park (W end of Wildcat Canyon Park) 122 Comment
  UC2032847  Salix lasiolepis Doran, Andrew Scott 2012-3-20 718 Contra Costa Southern part of Brooks Island, old quarry near gravel conveyer belt and grind house. Comment
  UCD150912  Salix lasiolepis James A. Neilson Jr.; Samuel A. Bamberg 1972-10-22 3495 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC129559  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  CAS-BOT-BC129561  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3726 Contra Costa Antioch 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
  CAS-BOT-BC180753  Salsola tragus Walter Knight; Joanne Dean 1978-8-14 3114 Contra Costa Browns Island Comment
  UC1949074  Salsola tragus Barbara Ertter with CNPS 1990-9-16 9644 Contra Costa Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Recreation Area Comment
  JEPS62550  Salvia carduacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC634923  Salvia carduacea H. L. Mason 1929-3-31 5146 Contra Costa Briones Valley Comment
  JEPS62662  Salvia columbariae Mrs. E. L. Mossman 1931-4-21 149 Contra Costa Grizzly Peak; Berkeley Hills 487 Comment
  UC1124728  Salvia columbariae C. M. Belshaw 1936-5-8 2054 Contra Costa se slope Mt. Diablo; Mt. Diablo Quad. 990 Comment
  CAS-BOT-BC233288  Salvia mellifera Dr. A. Kellogg; W. G. W. Harford 1868-1-1 757 Contra Costa Diablo Comment
  UC1124790  Salvia mellifera R. W. Lundh 1933-3-25 221 Contra Costa 1 mi w Alamo; Concord Quad. 213 Comment
  UC1124825  Salvia mellifera R. C. Wilson 1935-2-26 106 Contra Costa Mt. Diablo; Mt. Diablo Quad. 426 Comment
  UC635692  Salvia mellifera A. E. Borell 1928-3-18 28 Contra Costa w slope Mt. Diablo Comment
  RSA434141  Salvia mellifera August Hartman 1960-4-19 s.n. Contra Costa South Gate Road, Mt. Diablo 305 Comment
  UCD125593  Salvia mellifera P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Road to Sycamore Canon. Comment
  CAS-BOT-BC223245  Sanicula bipinnata Alice Eastwood 1914-3-14 5792 Contra Costa Byron Springs Comment
  UCSB39463  Sanicula bipinnata Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the E end of Ball Rd. in the Shell Ridge Open Space Area, SE of the rock quarry 124 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
  UC1123182  Sanicula bipinnatifida C. M. Belshaw 1936-5-12 2107 Contra Costa 5 mi s of Round Valley 487 Comment
  PASA1823  Sanicula bipinnatifida Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  UC1006685  Sanicula crassicaulis C. Ritchie Bell 1952-4-16 3 X397 Contra Costa at Golf Gate entrance to Tilden Park Tilden Park 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
  RSA760659  Sanicula crassicaulis William J. Ferlatte, L. Maynard Moe 1970-4-27 1226 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UCD127982  Sanicula crassicaulis P. B. Kennedy 1925-4-26 s.n. Contra Costa near Sycamore Canon Trail, Mt. Diablo. Comment
  JEPS996  Sanicula laciniata W. L. Jepson 1943-4-24 20764 Contra Costa vicinity of San Francisco Bay (Oakland Hills, Moraga Ridge); Oakland Hills, Moraga Ridge Comment
Read comments
Jan 24 2008
  SD211529  Sanicula saxatilis Barbara Ertter, Brad Olson et al 1991-4-7 9728 Contra Costa Eagle Peak on Mount Diablo; scree slopes on East and Southwest side, especially in drainages 228 Comment
  UC666653  Sanicula saxatilis John Thomas Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Peak Mount Diablo; , Eagle Peak Comment
  UC691878  Sanicula saxatilis Mary L. Bowerman 1935-5-18 3025 Contra Costa Mount Diablo, across the road from and a little east of the parking area Mount Diablo 1066 Comment
  UC691880  Sanicula saxatilis J. T. Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Point Mount Diablo; , Eagle Point Comment
  JEPS98659  Sanicula tuberosa O. Gomez, L. Schulties and P. Vargas 1996-5-29 43 PV96 Contra Costa trail between Mt. Diablo Peak and North Peak Mt. Diablo State Park Comment
  UC691876  Sanicula tuberosa Mary L. Bowerman 1931-4-25 755 Contra Costa Mount Diablo, near junction of south and west roads Mount Diablo Comment
  UC570944  Saxifraga californica Herbert L. Mason 1926-3-7 2702 Contra Costa Mount Diablo Comment
  RSA771187  Scandix pecten-veneris Barbara Ertter 1991-6-1 10072 Contra Costa Las Trampas Regional Wilderness in hills of Danville, paved portion of Rocky Ridge Trail ca 1 mile from parking lot 488 Comment
  JEPS125931  Schinus molle D. W. Taylor 2001-3-1 17609 Contra Costa 1 mile W of Pittsburg, along the abandoned tracks of the Sacramento Northern Railroad, ca 500 m W of the Pittsburg Power Plant. Comment
  CAS-BOT-BC7627  Schoenoplectus acutus var. occidentalis Walter Knight; Joanne Dean 1978-8-14 3185 Contra Costa Browns Island. Comment
  SEINET11754535  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1933-1 469 Contra Costa delta lands of Sacramento & San Joaquin rivers Comment
  CAS-BOT-BC111465  Schoenoplectus californicus Walter Knight; Joanne Dean 1978-8-14 3189 Contra Costa Browns Island Comment
  POM181474  Schoenoplectus californicus I. L. Wiggins 1930-4-18 4592 Contra Costa Jersey Island. Comment
  UC692193  Scirpus acutus var. occidentalis Mary L. Bowerman 1938-9-17 3715 Contra Costa by the rivulet and in the marsh Big Spring Mount Diablo, Big Spring 731 Comment
  UC650560  Scirpus californicus Ira L. Wiggins 1930-4-18 4592 Contra Costa Levee bank Jersey Island Comment
  JEPS111883  Scirpus maritimus A. G. Murdock 2004-6-4 326 Contra Costa Pacheco Marsh near Waterfront Road 1 Comment
  CDA23594  Scirpus microcarpus D. G. Kelch 2007-9-8 7 .58 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  CDA39143  Scirpus microcarpus D. G. Kelch 2004-7-9 4 .308 Contra Costa Carquinez Strait; Martinez; Alhambra Creek, near Muir gravesite. Arroyo del Hambre. Comment
  JEPS116725  Scribneria bolanderi David Gowen 2006-4-22 545 Contra Costa Los Vaqueros Watershed. Chaparral area (Mallory Ridge?) just southeast of Morgan Territory Reg. Preserve. Comment
  UC1084402  Scrophularia californica G. Thomas Robbins 1937-4-17 121 Contra Costa near Point Richmond Comment
  UC1713660  Scutellaria tuberosa Herbert L. Mason 1928-4-15 4342 Contra Costa top of Moraga Ridge Comment
  UC691406  Scutellaria tuberosa Mary L. Bowerman 1931-4-25 771 Contra Costa summit of Mount Diablo (at the junction of the one-way roads) 1143 Comment
  JEPS99566  Sedum radiatum Mary Bowerman 1975-6-1 Contra Costa Mount Diablo, (probably along Falls Trail). Comment
  UC11259  Sedum spathulifolium W. H. Brewer 1861-9-25 842 Contra Costa summit of Monte Diablo Comment
  UC692320  Sedum spathulifolium Mary L. Bowerman 1935-6-15 3141 a Contra Costa on rocks just above Ransom Point (Meridian Peak, Mount Diablo); Mount Diablo, Meridian Peak, above Ransom Point Comment
  UC692326  Sedum spathulifolium Mary L. Bowerman 1931-4-19 750 a Contra Costa on Mitchell Rock , on Mitchell Rock (Mount Diablo) Comment
  JEPS37619  Senecio aronicoides W. L. Jepson 1923-6-10 9992 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  CAS-BOT-BC327441  Senecio flaccidus var. douglasii Peter Rubtzoff 1954-9-14 1749 Contra Costa Along lower San Joaquin River east of Antioch Comment
  CAS-BOT-BC327446  Senecio flaccidus var. douglasii Alice Eastwood 1914-2-24 3736 Contra Costa Antioch Comment
  CAS-BOT-BC363700  Senecio hydrophilus Walter Knight; Joanne Dean 1978-8-14 3145 Contra Costa Browns Island Comment
  UC2032832  Senecio sylvaticus Doran, Andrew Scott 2012-3-20 702 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  UC13713  Sequoia sempervirens unknown 1888-2-22 Contra Costa Moraga Valley Comment
  HSC2615  Sequoia sempervirens D. A. Shally 1965-4-18 35 Contra Costa Canyon at Canyon Store Comment
  CDA37401  Sesbania punicea D. G. Kelch, Mike Perlmutter 2011-9-23 11 .764 Contra Costa Antioch. Dow Wetlands. Comment
  SEINET3840815  Sesuvium verrucosum Unknown 2006-7-14 6 .329 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  UC1795725  Sherardia arvensis Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13941 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, open oak woodland/grassland open flat area on east side of stream not far from trail head. 182 Comment
  RSA29235  Sherardia arvensis Joseph A. Ewan 1934-3-10 8630 Contra Costa 1 mile below Orinda Road. Wildcat Canyon. Comment
  UCR6068  Sidalcea malviflora Charles Prentiss 1966-4-5 07 Contra Costa San Francisco Bay Region, Tilden Park at Indian Camp, E facing slope across from tennis courts 168 Comment
  CDA39044  Silene gallica D. G. Kelch 2011-6-5 11 .572 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  UC692534  Silene verecunda subsp. platyota Mary L. Bowerman 1930-6-7 278 Contra Costa Mount Diablo Comment
  UC8497  Silene verecunda subsp. platyota Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo 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
  UC691256  Sisymbrium officinale Mary L. Bowerman 1935-5-16 2987 Contra Costa Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park 381 Comment
  RSA0068486  Sisyrinchium bellum Katie Gallagher, Nick Jensen 2014-4-26 188 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC2070662  Sisyrinchium bellum Barbara Ertter 2002-5-16 17861 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CDA39383  Smilacina racemosa A. G. Murdock 2004-4-3 245 Contra Costa Vaca Canyon. Comment
  CDA39388  Smilacina stellata A. G. Murdock 2004-4-3 246 Contra Costa Vaca Canyon. Comment
  IRVC12827  Smilacina stellata var. sessilifolia M. Pilorget 1967-4-17 6 Contra Costa Bear Creek. Comment
  UC1051044  Solandra guttata N. Floy Bracelin 1942-10-25 2347 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC2028463  Solanum americanum Barbara Ertter with Mary Bowerman 1996-11-1 15395 Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot 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
  UC2032802 Image available Solanum furcatum Doran, Andrew Scott 2012-3-20 672 Contra Costa Brooks island loading dock, North side of island. Comment
  JEPS12078  Solanum umbelliferum J. Burtt Davy 1895-4-7 985 Contra Costa Antioch Comment
  UC1125028  Solanum umbelliferum R. C. Wilson 1935-3-13 126 Contra Costa 2 mi w of Cave Point 502 Comment
  UC26238  Solanum umbelliferum J. Burtt Davy 1895-4-7 985 Contra Costa Antioch Comment
  UC456217  Solanum umbelliferum I. J. Condit 1908-8-20 Contra Costa Oakley Comment
  CAS-BOT-BC156305  Solanum umbelliferum A. A. Heller 1908-4-16 8889 Contra Costa East of Antioch 22 Comment
  POM196036  Solanum umbelliferum R. Raven 1929-3-31 s.n. Contra Costa Marsh Creek Canyon. Comment
  UC63939  Solanum umbelliferum Earle Mulliken 1903-5-10 51 Contra Costa Berkeley Hills Comment
  JEPS100171  Solidago velutina subsp. californica A. Langston 2003-6-19 AL 47 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1199320  Solidago velutina subsp. californica Joseph P. Tracy 1932-9-10 10788 Contra Costa e Pinole (head of Franklin Canyon); North Coast Ranges, head of Franklin Canyon 152 Comment
  JEPS100170  Soliva sessilis G. Smick 2003-4-8 GAS 123 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  UC691778  Sonchus oleraceus Mary L. Bowerman 1930-8-24 416 Contra Costa Mitchell Canyon , Mitchell Canyon (Mount Diablo) Comment
  CAS-BOT-BC236609  Spartina foliosa Evelina Cannon 1900-9-17 s.n. Contra Costa Giant Station Comment
  UCD92971  Spartina foliosa A. A. Beetle 1940-11-1 2636 Contra Costa San Francisco Bay, near Point Richmond. Comment
  UC1780870  Spartium junceum R. Schmid 2003-5-11 2003 -13 Contra Costa Wildcat Creek Trail, N side and NW end of (E of Belgium Trail) Wildcat Canyon Regional Park (NW of broad part of old paved road) 76 Comment
  RSA0097921  Spergularia bocconi Barbara Ertter, Mary L. Bowerman 1995-5-7 14027 Contra Costa NE side of Mount Diablo SE of Clayton, along road south of Marsh Creek road summit. 305 Comment
  NY482313  Spergularia macrotheca B. J. Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in sw El Cerrito Comment
  NY482309  Spergularia macrotheca var. longistyla B. J. Ertter 1989-4-5 8113 Contra Costa Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton, near sea level Comment
  RSA518738  Spergularia macrotheca var. longistyla Barbara Ertter 1989-4-5 8113 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  RSA0098749  Spergularia macrotheca var. macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in SW El Cerrito. Comment
  JEPS111531  Spergularia marina D. G. Kelch 2005-5-5 05 .215 Contra Costa Point Pinole - Giant Marsh 3 Comment
  JEPS100086  Spergularia rubra A. Langston 2003-9-16 AL 87 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site 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
  UC1555268  Stachys ajugoides var. rigida R. C. Stebbins 1988-5-25 Contra Costa Memory and Packrat trails Tilden Park, Tildne Nature Area 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
  UC70569  Stachys ajugoides var. rigida Miss Carlotta Case July, 1904 Contra Costa Muir Station Comment
  UC25936  Stachys ajugoides var. rigida W. L. Jepson Contra Costa Fish Ranch Comment
  UC1619953  Stachys albens Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10703 Contra Costa n. Pittsburg (in center of w. end of Browns Isl., near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina); Browns Isl. Comment
  JEPS112477  Stachys pycnantha D. G. Kelch 2004-7-9 04 .303 Contra Costa McEwen Road McEwen marsh. McEwen Road North of Cummings Skyway Contra Costa County CA 130 Comment
  UC692300  Stellaria media Mary L. Bowerman 1932-3-12 1118 Contra Costa Alamo Canyon Mount Diablo (50 ft above stream) 365 Comment
  CAS-BOT-BC386941  Stellaria media Walter Knight 1965-3-1 909 Contra Costa Antioch dunes Comment
  POM181457  Stellaria media I. L. Wiggins 1930-4-18 4598 Contra Costa N end of Jersey Island. Comment
  UC13617  Stellaria nitens Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  CAS-BOT-BC393980  Stellaria nitens John Thomas Howell 1927-3-6 2284 Contra Costa summit of Shell Ridge 243 Comment
  UC1328148  Stellaria nitens Olive Dyer 1937-4-18 290 Contra Costa abandoned road up Madrone Canyon tributary (Wildcat Canyon); Wildcat Canyon Comment
  UC2070542  Stellaria nitens Barbara Ertter with Chris Thayer 2002-4-13 17830 Contra Costa North side of Mount Diablo, Zippe Trail on north face of Mount Olympia Comment
  CAS-BOT-BC375205  Stephanomeria elata John Thomas Howell 1925-11-1 1544 Contra Costa Moraga Ridge, Oakland Hills Comment
  SEINET7883496 Image available Stephanomeria virgata Lewis S. Rose 1938-1 38308 Contra Costa Marsh Creek, 6 mi. e. of Clayton 152 Comment
  JEPS75541  Stephanomeria virgata subsp. pleurocarpa P. F. Yorks 1974-8-10 365 Contra Costa ca 1.7 km s Bear Creek Road (n of Briones Reservoir, on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UC914273  Stephanomeria virgata subsp. pleurocarpa Verne Grant and Alva Grant 1946-9-29 7878 Contra Costa e of Redwood Peak Comment
  SD34503  Stipa pulchra A. A. Beetle 1941-3-28 1718 Contra Costa Orinda, in sandy soil of open cut Comment
  UC2028403  Stipa pulchra Barbara Ertter with Christopher Baysdorfer 1998-5-10 16121 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side Comment
  UC2070615  Stipa pulchra Barbara Ertter 2002-5-16 17851 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC630661  Streptanthus albidus subsp. peramoenus John L. Morrison and Lincoln Constance 1938-5-5 3030 Contra Costa steep sw slope 2 mi outside N. entrance to Mt. Diablo State Park Comment
  CAS-BOT-BC87334  Streptanthus hispidus Paul F. Covel 1938-5-8 1510 Contra Costa Summit Mount Diablo (North Peak trail). Comment
  SBBG29885  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa trail between Juniper Camp and Deer Flat, Mt Diablo Comment
  UC402742  Streptanthus hispidus H. M. Hall 1916-5-31 10139 Contra Costa w side Mt. Diablo 1097 Comment
  UC629716  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa trail between Juniper Camp and Deer Flat; Mount Diablo 990 Comment
  UCD102376  Streptanthus hispidus Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1050 Comment
  UC10898  Streptanthus tortuosus var. orbiculatus McLean 1800-1 Contra Costa Mount Diablo Comment
Read comments
Jan 11 2013
  UC2028382  Stuckenia pectinata Barbara Ertter 1998-6-20 16251 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Gypsy Flat Pond SW of Old Borges Ranch. Also in Joaquin Pond Comment
  UCD163490  Stuckenia striata D. Slakey; CNPS Volunteers 2015-9-12 223 Contra Costa Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina. 0 Comment
  UC88443  Stylocline gnaphaloides Miss Alice Eastwood 1893-5-5 Contra Costa Brentwood Comment
  RSA135424  Stylomecon heterophylla Volney Rattan 1883-04 s.n. Contra Costa Martinez. Comment
  RSA446228  Stylomecon heterophylla Glenn A. Gorelick 1967-5-20 s.n. Contra Costa Russelman Park, Mt. Diablo State Park Comment
  RSA66297  Stylomecon heterophylla Lincoln Constance, J. L. Morrison 1938-4-5 2193 Contra Costa NW base of Mount Diablo, 6 miles SE of Walnut Creek, Coast Ranges Comment
  UC117985  Stylomecon heterophylla Michener and Bioletti 1892-4-10 841 a Contra Costa Byron [Alcalde] pencilled in Byron; Byron [Alcalde] pencilled in Comment
  UC1238003  Suaeda moquinii John H. Weiler 1961-4-9 6173 Contra Costa 3 mi s Byron (e side of road) Comment
  UC416573  Symphoricarpos albus var. laevigatus Tracy I. Storer 1912-7-13 Contra Costa 2 mi sw Walnut Creek Comment
  CAS-BOT-BC269563  Symphoricarpos albus var. laevigatus Volney Rattan 1884-6-1 s.n. Contra Costa Unspecified Comment
  OBI75132  Symphoricarpos mollis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .084 Contra Costa Alvarado Park (W end of Wildcat Canyon Park) 122 Comment
  CAS-BOT-BC97696  Symphyotrichum chilense Barrett Anderson 1987-7-23 3563 Contra Costa Building site on San Pablo Road at Garrity Creek, Pinole 45 Comment
  UC2012972  Symphyotrichum chilense Barbara Ertter with Lisa Schultheis 1996-9-2 15281 Contra Costa Below Knobcone Point Road along path to Devil's Slide southeast of Curry Point. Comment
  UC2028011  Symphyotrichum chilense Barbara Ertter 1998-1-4 15886 Contra Costa South end of Diablo Foothills Regional Park southeast of Walnut Creek, Alamo Trail just outside of park. 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
  CAS-BOT-BC98039  Symphyotrichum lentum L. R. Abrams 1917-9-24 6860 Contra Costa Near Concord Comment
  UC1422530  Symphyotrichum lentum Alice Q. Howard and W. R. Powell 1977-6-1 38 Contra Costa Antioch Dunes, within PG&E-owned strip under eastern power line Comment
  UC2042880  Symphyotrichum lentum Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10860 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  CAS-BOT-BC211591  Tamarix Walter Knight 1978-10-4 3316 Contra Costa Browns Island, near old homestead site. 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
  UC19168  Tamarix parviflora J. Burtt Davy 1895-4-13 1013 Contra Costa Lafayette Comment
  CHSC75158  Tanacetum parthenium Roger Thom 1987-5-24 14 Contra Costa 3354 Johnson Rd., Lafayette. 167 Comment
  CDA37996  Taraxia ovata D. G. Kelch, A. G. Murdock 2003-3-28 3 .086 Contra Costa Carquinez Strait Region; Rodeo - Lone Tree Point. Comment
  UC691419  Tauschia hartwegii Mary L. Bowerman 1933-4-26 1936 Contra Costa North Peak Mount Diablo (ridge running se from the peak); , , ridge running se from peak 518 Comment
  UC9708  Thalictrum fendleri var. polycarpum J. Burtt Davy 1895-4-13 1010 Contra Costa near San Pablo Creek Comment
  CAS-BOT-BC88257  Thysanocarpus curvipes T. S. Brandegee May. 18. s.n. Contra Costa Antioch. Comment
  JEPS54181  Thysanocarpus curvipes W. L. Jepson 1891-5-24 5 g Contra Costa Mt. Diablo Comment
  UC11035  Thysanocarpus curvipes T. S. Brandegee 1890-1 Contra Costa Antioch Comment
  UC691086  Thysanocarpus curvipes Mary L. Bowerman 1935-5-16 2988 Contra Costa Russelman Park Mount Diablo (at end of road) Comment
  UC857551  Thysanocarpus curvipes Lewis S. Rose 1940-4-11 40183 Contra Costa 11 mi se Clayton (Marsh Creek); Marsh Creek 45 Comment
  RSA0069377  Thysanocarpus curvipes Katie Gallagher, Nick Jensen 2014-4-26 212 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA0039372  Thysanocarpus curvipes var. curvipes Harley P. Chandler 1901-4-5 940 Contra Costa Mt. Diablo, Pine Canyon. Comment
  UC691136  Thysanocarpus laciniatus Mary L. Bowerman 1933-4-26 1933 Contra Costa Perkins Canyon branch between the main e ridge of North Peak and the ridge to its s Mount Diablo (Mount Diablo); , Perkins Canyon branch, North Peak 487 Comment
  POM300996  Tonella tenella Mary L. Bowerman 1935-5-18 3023 Contra Costa Mount Diablo, Northwest facing slope across the road from, and a little east of, the parking area. 1067 Comment
  RSA610776  Toxicodendron diversilobum Joseph A. Ewan 1936-7-5 9738 Contra Costa Wildcat Creek Comment
  CAS-BOT-BC172937  Toxicodendron diversilobum Mary L. Bowerman 1942-5-24 3845 Contra Costa West fork of Sycamore Creek (Madrone Canyon), below lower Rock City Camp Comment
  SEINET5577082  Toxicodendron diversilobum H. S. Gentry 1931-1 56 Contra Costa Collected on Mt. Diablo near Buckle Point. Comment
  JEPS100167  Tragopogon porrifolius G. Smick 2003-5-6 GAS 166 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS63121  Trichostema lanceolatum W. L. Jepson 1895-9-14 14880 Contra Costa Lafayette Comment
  UC570718  Trichostema lanceolatum Herbert L. Mason 1923-11-12 854 Contra Costa Mount Diablo, middle slopes Comment
  SEINET13948210 Image available Trichostema lanceolatum Lewis S. Rose 1953-1 53095 Contra Costa Mt. Diablo, W slope; 1600 ft alt. 488 Comment
  UC1328144  Trientalis latifolia Olive Dyer 1937-5-18 349 Contra Costa Wildcat Canyon, Canyon of C. C. C. tributary Wildcat Canyon Comment
  UC555490  Trifolium albopurpureum H. L. Mason 1928-4-29 4433 Contra Costa Sycamore Canyon Mt. Diablo, south slope Comment
  UC16611  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-4-7 995 Contra Costa Antioch 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
  UC16499  Trifolium albopurpureum var. dichotomum Maclean Contra Costa Mt. Diablo Comment
  UC16605  Trifolium albopurpureum var. olivaceum W. H. Brewer 1862-4-30 1019 Contra Costa Camp 69 Walnut Creek Comment
  UC2070438  Trifolium bifidum Barbara Ertter with Dan Norris 2001-4-8 17591 Contra Costa Lime Ridge Open Space east of Walnut Creek, path northwest of summit installation. Comment
  SBBG29986  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa hills E of St Mary's College Comment
  UC146057  Trifolium bifidum var. decipiens Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette 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
  UC692253  Trifolium ciliolatum Mary L. Bowerman 1931-4-19 745 Contra Costa below Deer Flat; Mount Diablo Comment
  UC692256  Trifolium ciliolatum Mary L. Bowerman 1933-5-2 1939 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  JEPS65716  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC165565  Trifolium depauperatum var. amplectens Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC338048  Trifolium depauperatum var. depauperatum Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC630926  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 Contra Costa near Golf Links; Byron Hot Springs Comment
  UC630932  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10035 a Contra Costa Byron Comment
  UC630935  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 a Contra Costa Byron Hot Springs, near [golf links] Byron Hot Springs Comment
  UC692681  Trifolium depauperatum var. truncatum Mary L. Bowerman 1931-4-4 648 Contra Costa 1 mi from North Gate (North Rd); Mount Diablo 182 Comment
  RSA517734  Trifolium depauperatum var. truncatum Donald G. Nelson 1937-3-30 476 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  UC2028126  Trifolium depauperatum var. truncatum Barbara Ertter with Richard K. Brummitt 1998-5-6 16081 a Contra Costa Base of Mitchell Rock Trail on north base of Mount Diablo. Comment
  UCD109022  Trifolium fucatum P. B. Kennedy 1929-4-21 10229 Contra Costa Franklin Canyon Road from Concord Soldier's Monument. Comment
  UC631032  Trifolium gracilentum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette 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
  CDA8356  Trifolium hirtum D. G. Kelch, A. G. Murdock 2005-4-15 5 .148 Contra Costa Carquinez Strait; In East Bay Regional Park land W of Cumming s Skyway near Summit (nr old C&H Sugar diatomaceous earth dump). 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
  UC2028947  Trifolium hybridum Barbara Ertter 2000-7-16 17391 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  UCD146715  Trifolium incarnatum G. F. Hrusa; D. Crowe 1998-5-8 14364 Contra Costa Sacramento-San Joaquin River Delta. Within Dow Chemical property at Pittsburg. 10 Comment
  CDA29541  Trifolium microcephalum D. G. Kelch, Troy MacGregor 2009-5-1 9 .271 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC692250  Trifolium microcephalum Mary L. Bowerman 1935-4-12 2814 Contra Costa 2 mi from entrance (= Northgate) (w rd (=n rd)); Mount Diablo 259 Comment
  UC692671  Trifolium microcephalum Mary L. Bowerman 1932-4-27 1392 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge Comment
  UC692639  Trifolium obtusiflorum Mary L. Bowerman 1935-5-25 3077 Contra Costa Rhine Canyon Mount Diablo (side of gully containing streamlet) 914 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
  UC2027837  Trifolium oliganthum Barbara Ertter with Dan Norris 2001-4-15 17609 Contra Costa West side Mount Diablo, head of W-facing drainage west of China Wall rock formation (off trail between Hanging Valley Trail and China Wall Road). Comment
  UCD32493  Trifolium olivaceum Beecher Crampton 1950-4-22 534 Contra Costa Contra Costa County, along State Highway 4, in Concord Valley. 30 Comment
  UC2070473  Trifolium subterraneum Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18151 Contra Costa Lower Pine Canyon on WNW base of Mount Diablo, Mount Diablo Foothills Regional Park. Comment
  UCR263551  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa San Francisco Bay Region, Richmond Field Station 6 Comment
  UC16776  Trifolium variegatum var. melananthum J. Burtt Davy 1900-3-24 6515 Contra Costa Stege; Western MIddle California, Stege Comment
  CDA15260  Trifolium willdenovii G. F. Hrusa, D. Crowe 1998-5-8 14391 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CHSC20695  Trifolium willdenovii Robert A. Schlising 1962-4-7 2148 Contra Costa Coastal Range. Along roads near Antioch Reservoir. Comment
  SEINET4178511 Image available Trifolium willdenovii P. B. Kennedy 1928-1 10036 Contra Costa Byron Comment
  UC1377676  Trifolium willdenovii W. J. Dress 1951-5-9 3311 Contra Costa just w Orinda Comment
  UC16751  Trifolium willdenovii W. H. Brewer 1862-5-23 1151 Contra Costa se Mt. Diablo Comment
  UC555582  Trifolium willdenovii H. L. Mason 1928-4-13 4307 Contra Costa Richmond waterfront Comment
  UC630906  Trifolium willdenovii P. B. Kennedy 1907-5-5 Contra Costa Lake Merritt Oakland Comment
  POM181463  Trifolium willdenovii I. L. Wiggins 1930-4-17 4575 Contra Costa 1/4 mi. S. of Byron. Comment
  POM18879  Trifolium willdenovii H. P. Chandler 1901-3-22 841 Contra Costa Concord. 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
  UC2070435  Trifolium willdenovii Barbara Ertter with David Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-5-8 18563 Contra Costa Long Ridge on west side of Mount Diablo, upper Burma Road between Mothers Trails and Deer Flat Road. Comment
  JEPS127670  Triglochin scilloides Barbara Ertter with David Gowen and Michael Park 2017-5-2 22800 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC1619920  Triglochin striata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10714 Contra Costa Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers opposite Pittsburg Marina, at (Botany Cove)); Browns Island Comment
  UCD139903  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  SEINET10458812  Triodanis biflora Joseph W. Congdon 1896-5-30 Congdon s.n. Contra Costa Mount Diablo Comment
  SBBG26806  Triphysaria eriantha subsp. eriantha J. A. Ewan 1934-4-8 8762 Contra Costa head of Hog Cyn, S slope of Mt Diablo 640 Comment
  RSA0069384  Triphysaria pusilla Katie Gallagher, Nick Jensen 2014-4-26 204 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  CDA41895  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-5-5 5 .206 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  JEPS112499  Triteleia hyacinthina D. G. Kelch 2004-4-26 04 .145 Contra Costa Pt. Pinole. 1 Comment
  UC691989  Triteleia hyacinthina Mary L. Bowerman 1938-6-3 3651 Contra Costa Rock City Mount Diablo (gentle n-facing slope) 518 Comment
  UC2028489  Triteleia hyacinthina Barbara Ertter 1998-5-3 16060 Contra Costa Area of Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo Comment
  CHSC22959  Triteleia laxa Robert A. Schlising; Et al. 1962-4-7 2144 Contra Costa Along road by Antioch Reservoir. Comment
  UC130929  Triteleia laxa Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC1555377  Triteleia laxa Jerry Powell 1988-5-18 1539 Contra Costa Point Molate west Richmond Comment
  UC765433  Triteleia laxa R. F. Hoover 1939-4-25 4063 Contra Costa Richmond hills Comment
  CAS-BOT-BC522175  Triteleia laxa John Thomas Howell 1931-5-12 6468 Contra Costa Oakland Hills Comment
  RSA378002  Triteleia laxa D. G. Nichols 1940-3-31 4 Contra Costa 5 miles west Byron on road from Byron to Clayton 146 Comment
  SEINET11268160  Triteleia laxa Barbara Ertter 1998-4-4 15970 Contra Costa Northwest of Mount Diablo, Fossil Hill, Middle of NE-facing slope.; 0 122 Comment
  SEINET12044746  Triteleia laxa J. T. Howell 1931-1 6468 Contra Costa Oakland Hills Comment
  CAS-BOT-BC200472  Triticum aestivum Alice Eastwood 1921-4-18 10314 Contra Costa Antioch Comment
  CAS-BOT-BC67348  Tropidocarpum capparideum Robert F. Hoover 1937-4-3 1733 Contra Costa Tracy. Comment
  JEPS17167  Tropidocarpum capparideum S. Galen Smith and Donald Stone 1957-3-30 2867 Contra Costa 3 mi se Byron (far western end of field just n of the Holey Road); Byron Road 5 Comment
  CAS-BOT-BC67407  Tropidocarpum gracile Lewis S. Rose 1934-3-21 34066 Contra Costa 6 miles east of Clayton. Comment
  CAS-BOT-BC67412  Tropidocarpum gracile Mary L. Bowerman 1931-3-29 614 Contra Costa Mount Diablo. Riggs Canyon, at foot of Cave Point ridge. Comment
  UC2070553  Tropidocarpum gracile Barbara Ertter with David Gowen 2006-6-6 18675 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga, on Rocky Ridge Tail. Comment
  CDA1418  Typha angustifolia D. G. Kelch, Andrew G. Murdock 2003-8-13 3 .105 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  UC692073  Typha domingensis Mary L. Bowerman 1938-6-14 3677 Contra Costa Mineral Spring Mount Diablo (along streamlet); , Mineral Spring 350 Comment
  UC1818859  Typha domingensis Barbara Ertter, Kristin Ertter 1995-7-11 14483 Contra Costa W side of Mount Diablo SW of Walnut Creek, lower end of Pine Pond 182 Comment
  RSA721868B  Ulmus minor Barbara Ertter, Richard K. Rabeler 1994-6-18 12837 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; northeast corner of park, near jct Marsh Trail and Cook's Point Trail. Comment
  JEPS112486  Umbellularia californica D. G. Kelch 2003-3-21 03 .39 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  SEINET9340094  Umbellularia californica Unknown 2007-3-24 07 .082 Contra Costa Ozol Comment
  CDA8957  Uropappus lindleyi D. G. Kelch, A. G. Murdock 2005-5-13 5 .258 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive. Area along Vista Road ~2.5 km west of Martinez. Comment
  UC691469  Uropappus lindleyi Mary L. Bowerman 1931-4-5 682 Contra Costa s Russelman Park (Mount Diablo); Mount Diablo 381 Comment
  UC691783  Uropappus lindleyi Mary L. Bowerman 1957-5-2 1957 Contra Costa Pioneer Camp Mount Diablo 762 Comment
  UC2028528  Urtica urens Barbara Ertter 1998-1-4 15887 Contra Costa South end Diablo Foothills Regional Park southeast of Walnut Creek, Alamo Trail near junction with Hanging Valley Trail. Comment
  UC1121122  Vaccinium ovatum R. W. Lundh 1933-1-12 186 Contra Costa 0.5 mi s Round Mt.; Concord Quad. 609 Comment
  UC1050826  Verbascum N. Floy Bracelin 1941-6-1 1346 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS81010  Verbena lasiostachys var. scabrida Edward Lee 1936-12-12 2609 Contra Costa just nw Berkeley Country club Comment
  UC139763  Verbena lasiostachys var. scabrida Katharine Brandegee 1907-7-4 Contra Costa Between Martinez and Port Costa Comment
  UC691578  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-10-4 481 Contra Costa Maple Spring Comment
  RSA22314  Verbena robusta Joseph A. Ewan 1936-7-5 9726 Contra Costa Near CCC camp, Wildcat Creek. (see field book) Comment
  CHSC116626  Veronica peregrina subsp. xalapensis Lowell Ahart; Josephine Guardino 2016-4-19 20781 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  CAS-BOT-BC267239  Viburnum ellipticum Mary L. Bowerman; Walter & Irja Knight 1967-11-6 2301 Contra Costa Near Curry Park in Morgan Territory, Sulphur Spring Canyon, half way between canyon source and active spring, 15 yards above creek 365 Comment
  UC1050194  Viburnum tinus N. Floy Bracelin 1943-2-9 2416 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS99517  Vicia americana Mary Bowerman 1978-5-24 Contra Costa Mount Diablo, Donner Canyon. West trail of Hetherington Loop. 274 Comment
  JEPS46092  Vicia americana var. americana Mrs. E. L. Mossman 1931-3-12 Contra Costa Wildcat Canyon; Berkeley Hills Comment
  RSA654109  Vicia americana var. americana Beecher Crampton 1956-5-14 3426 Contra Costa 4 miles west of Martinez on the road to Crockett, above Port Costa Brick Works. Comment