Search Results — 2000 specimen records retrieved (1330 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  UC2042783  Acacia dealbata Barbara Ertter with John Little 1989-4-2 8102 Contra Costa Hillside Park in El Cerrito. Comment
  SD45087  Acacia verticillata W. W. Jones 1927-4-5 Contra Costa Crockett Comment
  JEPS44839  Acaena pinnatifida var. californica W. L. Jepson 1922-5-11 9639 Contra Costa North Berkeley Hills Comment
  JEPS111582  Acer macrophyllum D. G. Kelch 2004-4-25 04 .109 Contra Costa Martinez - West: Ozol Rock and Scenic Drive West Martinez on Scenic Dr. at Road Gate 28 Comment
  UC400149  Acer macrophyllum Ynez Mexia 1929-4-21 2383 Contra Costa Moraga Valley Comment
  CAS-BOT-BC331616  Acer macrophyllum W. W. Carruth 1901-3-1 s.n. Contra Costa Pine Canon, Mt. Diablo Comment
  UCSB11596  Acer macrophyllum Grah, Nancy 1962-4-14 Contra Costa Corner of Lombardy Lane and Sleepy Hollow Lane, Orinda 152 Comment
  UC1540475  Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa 2 1/2 mi n Moraga (Moraga Valley); , Creek bank, n of Moraga 182 Comment
  SEINET242634 Image available Achnatherum thurberianum M. E. Barkworth, S. W. L. Jacobs; Betty Jacobs 2003-4-7 2003 /4 Contra Costa Tilden Regional Park, east of Berkeley Comment
  JEPS36721  Achyrachaena mollis Anna E. Ehlers 1920-5-23 582 Contra Costa Trampas Canon Comment
  UC1613477  Achyrachaena mollis Charles M. Belshaw 1935-5-24 178 a Contra Costa 0.5 mi. e. Grizzly Peak (Bald Peak); Bald Peak Comment
  CAS-BOT-BC29889  Achyrachaena mollis Rimo Bacigalupi 1920-4-10 1278 Contra Costa Grade above Arroyo Mocho on way to Cedar Mtn. about 10 miles SE of Livermore Comment
  POM339729  Actaea rubra subsp. arguta F. R. Fosberg 1969-8-13 51420 Contra Costa Canyon Comment
  HSC93903  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek 900 Comment
  JEPS112048  Adiantum jordanii D. G. Kelch 2005-1-21 05 .6 Contra Costa Crockett - West Valona Collected along railroad tracks in West Valona across from the decommissioned sewage treatment plant. On north-facing slopes with Quercus agrifolia and Heteromeles arbulifolia and Pinus pinea 8 Comment
  CAS-BOT-BC202598  Aesculus californica Miss E. Cannon 1892-6-4 s.n. Contra Costa Concord Comment
  JEPS75460  Aesculus californica P. F. Yorks 1973-5-25 100 Contra Costa ca 1.7 mi s Bear Creek Rd on Hampton Rd in Hampton Rd Natural Reserve (n of Briones Reservoir) 180 Comment
  CAS-BOT-BC202596  Aesculus californica Volney Rattan 1887-5-27 s.n. Contra Costa Alhambra Val. Comment
  RSA31206  Agoseris grandiflora Joseph A. Ewan 1934-4-8 8759 Contra Costa 10 mi. from Clayton on Livermore road, head Hog Canyon 640 Comment
  JEPS111712  Agoseris grandiflora var. grandiflora D. G. Kelch 2004-5-9 04 .211 Contra Costa Crockett - Eckley Hills north of Bull Valley Staging Area 13 Comment
  UC202932  Agoseris grandiflora var. grandiflora Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC29388  Agoseris grandiflora var. grandiflora Jos. Burtt Davy 1901-4-21 7044 Contra Costa Wildcat Canon Wildcat Canon Comment
  CAS-BOT-BC22970  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  UCD128609  Agoseris heterophylla P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Comment
  RSA8523  Agoseris heterophylla J. T. Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's college Comment
  CAS-BOT-BC127338  Agrostis exarata Walter Knight; et al 1978-9-5 3206 Contra Costa Browns Island. Sandy Knoll. Comment
  JEPS100030  Agrostis exarata A. Langston 2003-6-6 AL 35 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA0033846  Agrostis exarata Barbara Ertter 1999-7-17 16763 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  RSA0029673  Agrostis hallii Barbara Ertter, Dan Norris 1998-7-18 16229 Contra Costa Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo. Comment
  UCD149001  Agrostis pallens D. Kelch; Suzanne Latham, Matt Beyers 2009-6-3 09. 335 Contra Costa El Sobrante Ridge at end of Silver Belt Dr. 198 Comment
  RSA0027413  Agrostis stolonifera Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15670 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait. Comment
  UC2029195  Agrostis stolonifera Barbara Ertter 2000-7-16 17383 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  JEPS99592  Agrostis viridis Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond, South side. 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
  UC579859  Aira caryophyllea Annetta Carter 1936-4-19 1122 Contra Costa Red Rock San Francisco Bay (e side of island) Comment
  UC692389  Aira caryophyllea Mary L. Bowerman 1942-5-24 3844 Contra Costa Lower Rock City Camp Mount Diablo, Fossil Ridge 457 Comment
  UC2028522  Aira caryophyllea Barbara Ertter 1997-9-14 15810 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  UC692095  Alisma plantago-aquatica Mary L. Bowerman 1933-9-9 2429 Contra Costa Frog Pond Mount Diablo Comment
  CAS-BOT-BC445378  Alisma plantago-aquatica Volney Rattan 1886-6-16 s.n. Contra Costa Walnut Creek Comment
  CAS-BOT-BC175359  Allenrolfea occidentalis J. Burtt Davy 1898-5-1 s.n. Contra Costa Byron Springs, Mt. Diablo region Comment
  UC767621  Allenrolfea occidentalis R. F. Hoover 1937-8-31 2707 Contra Costa Byron Hot Springs Comment
  UC692027  Allium acuminatum Mary L. Bowerman 1930-6-10 307 Contra Costa Meridian Peak summit, Mount Diablo Mount Diablo, Meridian Peak Comment
  UC767482  Allium crispum R. F. Hoover 1939-3-29 3944 Contra Costa Kircker Pass Comment
Read comments
Feb 8 2013
  UC188708  Allium falcifolium J. W. Congdon 1896-5-30 Contra Costa Summit Mt. Diablo Mt. Diablo Comment
  UC692026  Allium falcifolium Mary L. Bowerman 1932-4-16 1347 Contra Costa at summit, Eagle Point Mount Diablo, Eagle Point Comment
  CAS-BOT-BC469115  Allium falcifolium John Thomas Howell 1941-4-6 16179 Contra Costa Ridge east of Deer Flat, Mt. Diablo Comment
  RSA178598  Allium falcifolium Le Roy Abrams 1921-5-25 8038 Contra Costa Summit, Mount. Diablo. Comment
  JEPS95266  Allium paniculatum var. paniculatum Doris E. Baltzo 1999-7-20 Contra Costa 2092 Ahneita Drive, Pleasant Hill Comment
  UC796584  Allium serra Reed C. Rollins 1946-3-25 3043 Contra Costa w slope of Mount Diablo Mount Diablo Comment
  UC85605  Allium serra Katharine Brandegee 1907-5-5 Contra Costa bet. Antioch and Marsh Creek Comment
  CAS-BOT-BC475526  Allium serra Alice Eastwood 1895-4-8 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC475528  Allium serra Alice Eastwood 1923-5-4 11730 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475533  Allium serra W. W. Carruth 1902-4-29 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475537  Allium serra Volney Rattan 1883-4-1 s.n. Contra Costa Martinez Comment
  SEINET12044784  Allium serratum J. T. Howell 1933-1 11284 Contra Costa E of St. Mary's College Comment
  CAS-BOT-BC476606  Allium unifolium Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC476608  Allium unifolium Mary L. Bowerman 1933-6-3 2250 Contra Costa Small spring at bend below Silver Spring. Comment
  POM300633  Allium unifolium Mary L. Bowerman 1931-4-19 750 Contra Costa Mitchell Canyon, Mt. Diablo. Comment
  SEINET7881741 Image available Allocarya stipitata H. S. Reed 1940-1 355 Contra Costa Marsh Creek road, Mount Diablo, altitude 800 feet. 244 Comment
  JEPS69376  Allophyllum divaricatum Mary L. Bowerman 1933-4-26 1907 Contra Costa North Peak ridge e.-s.e. of peak Mt. Diablo 609 Comment
  JEPS108359  Allophyllum gilioides David Gowen 2005-4-11 229 Contra Costa Mt. Diablo State Park. Below Devils Elbow in the upper part of Rhine Canyon drainage. Comment
  UC2027998  Allophyllum gilioides Barbara Ertter with Tony Morosco 1998-4-12 16021 Contra Costa Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit. Comment
  CDA31390  Alopecurus saccatus P. B. Kennedy 1916-5-11 Contra Costa Richmond, Grand View Terrace. 0 Comment
  JEPS127677  Alopecurus saccatus Barbara Ertter with David Gowen and Michael Park 2017-5-2 22798 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UCD55972  Alopecurus saccatus P. B. Kennedy 1916-5-11 s.n. Contra Costa Richmond District, Grand View Terrace. Comment
  UC1602202  Amaranthus californicus Mary L. Bowerman 1935-7-22 3188 Contra Costa s side Meridian Peak; Mount Diablo, Hidden Pond 518 Comment
  UC2027912  Amaranthus californicus Barbara Ertter 2000-9-30 17537 Contra Costa West side Mount Diablo, pond on west side of Briones-Mount Diablo Trail south of Stonegate Trail junction. Comment
  UCD97779  Amaranthus retroflexus J. D. Sauer 1953-8-14 1640 Contra Costa Near Marsh Creek Lodge. Comment
  CDA9966  Ambrosia chamissonis D. G. Kelch, A. G. Murdock 2004-7-9 4 .312 Contra Costa Carquinez Strait; Rodeo Shore. Rodeo Shoreline. Comment
  CAS-BOT-BC55589  Ambrosia psilostachya Walter Knight; Joanne Dean 1978-8-14 3115 Contra Costa Browns Island Comment
  UC1555375  Ambrosia psilostachya Jerry Powell 1988-8-25 1547 Contra Costa w, on sandy beach Richmond; Point Molate Comment
  CAS-BOT-BC55591  Ambrosia psilostachya Peter Rubtzoff 1954-9-14 1762 Contra Costa Lower San Joaquin River, east of Antioch (sand dune area) Comment
  UC1051334  Amphilophium buccinatorium N. Floy Bracelin 1941-6-15 1394 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC726360  Amsinckia A. A. Heller 1941-3-24 15906 Contra Costa Byron Springs Comment
  CAS-BOT-BC222218  Amsinckia John Thomas Howell 1934-4-8 11812 Contra Costa 7 miles from Clayton on road to Livermore Comment
  CAS-BOT-BC222229  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2141 Contra Costa Somersville Comment
  CAS-BOT-BC222230  Amsinckia John Thomas Howell 1933-3-29 10910 Contra Costa Nortonville hills Comment
  CAS-BOT-BC222232  Amsinckia John Thomas Howell 1933-3-29 10908 A Contra Costa Nortonville hills Comment
  CAS-BOT-BC222234  Amsinckia John Thomas Howell 1933-3-29 10913 Contra Costa Nortonville hills Comment
  SEINET11792519  Amsinckia grandiflora P. Del Monte 1976-1 Contra Costa Comment
  SBBG39713  Amsinckia intermedia J. T. Howell 1933-5-14 11225 Contra Costa St Mary's College Comment
  SBBG6220  Amsinckia intermedia J. M. Tucker 1946-3-24 1386 Contra Costa hills between Nortonville and Somersville Comment
  UC1618223  Amsinckia intermedia Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8130 Contra Costa ca. 15 air mi. s.w. Stockton (w. and adjacent to Clifton Court Forebay) Comment
  UC725369  Amsinckia intermedia A. A. Heller 1938-4-9 15014 Contra Costa in an orchard near Walnut Creek Comment
  UC881400  Amsinckia intermedia Lewis S. Rose 1941-3-13 41032 Contra Costa 3 mi s Byron 15 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
  JEPS61163  Amsinckia intermedia Elsa Kraeger 1926-3-7 Contra Costa Mount Diablo, on raod from Toll Gate to summit of the mountain Mount Diablo Comment
  CAS-BOT-BC222459  Amsinckia lunaris R. F. Hoover 1938-4-20 3178 Contra Costa San Pablo Reservoir, (lower end) 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
  JEPS108530  Amsinckia menziesii var. menziesii Lisa Schultheis with Kevin Hintsa 1995-4-25 67 -95 Contra Costa Mount Diablo. Wall Point Road, where an arroyo crosses the trail, near the Macedo Ranch parking lot Comment
  CDA29026  Anagallis arvensis D. G. Kelch 2006-5-7 6 .156 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS99972  Anagallis arvensis G. Smick 2003-5-6 GAS 165 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC485559  Ancistrocarphus filagineus Thomas Howell 1883-5-1 Contra Costa Antioch Comment
  UC691814  Ancistrocarphus filagineus Mary L. Bowerman 1936-4-23 3407 Contra Costa flat below, (upper edge 1778 flat) Moses Rock Spring; Mount Diablo Comment
  UC162557  Androsace elongata subsp. acuta H. M. Hall 1901-4-5 Contra Costa Mount Diablo San Francisco Bay region, Mt. Diablo 1074 Comment
  UC35144  Androsace elongata subsp. acuta W. C. Blasdale 1896-2-28 Contra Costa w Clayton (Clayton) Comment
  CAS-BOT-BC400259  Anemopsis californica Rimo Bacigalupi 1926-4-30 1347 Contra Costa About 3 miles east of Walnut Creek on Mt Diablo Road Comment
  UC672438  Anemopsis californica Herbert L. Mason 1929-9-21 5437 Contra Costa 3 mi above Clayton (Marsh Creek Road); Marsh Creek Road Comment
  UC692069  Anemopsis californica Mary L. Bowerman 1931-5-28 903 Contra Costa Pine Canyon by Sulphur Spring (Mount Diablo); , Pine Canyon Comment
  JEPS111630  Anthriscus caucalis D. G. Kelch 2005-5-13 05 .261 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  SEINET884570 Image available Antirrhinum elmeri A. D. E. Elmer 1903-1 4809 Contra Costa Mount Diablo. Comment
  JEPS5266  Antirrhinum kelloggii Mary L. Bowerman 1932-4-27 1390 Contra Costa w of Riggs Canyon (s face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC691600  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mary L. Bowerman 1932-9-3 1535 Contra Costa Muir Area; Mount Diablo Comment
  UC2062618  Aphanes occidentalis Barbara Ertter with Save Mount Diablo outing 2003-5-8 18163 Contra Costa Mangini property on knoll west of Mount Zion, NW corner of Mount Diablo. Comment
  SEINET3161272  Aphyllon comosum Unknown sn Contra Costa Antioch Comment
  UC20822  Apiastrum angustifolium Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  CAS-BOT-BC392089  Aquilegia formosa Mary L. Bowerman 1935-5-18 3021 Contra Costa Mount Diablo. Northwest-facing slope across the road from, and a little east of, the parking area 1066 Comment
  CAS-BOT-BC17272  Arabis blepharophylla Paul F. Covel 1938-5-8 1514 Contra Costa Summit Mount Diablo. Comment
  CDA37785  Arabis breweri unknown 1937-4-18 Contra Costa Northern California; Mt. Diablo. 0 Comment
  UCSC000302  Arabis breweri Carl Meyer 1928-2-22 283 Contra Costa Mount Diablo Comment
  JEPS53024  Arabis glabra W. L. Jepson 1891-6-9 13388 Contra Costa Fish Ranch Road Berkeley Hills Comment
  UC692480  Aralia californica Mary L. Bowerman 1933-6-21 2330 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 243 Comment
  OBI22876  Arbutus menziesii Cathy Peterson 1971-11-6 11 Contra Costa Mount Diablo, South side, approx. 45 yds from Rock City entrance 610 Comment
  UC1795671  Arceuthobium campylopodum Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14533 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, woods above ranch. 365 Comment
  CAS-BOT-BC24109  Arctostaphylos auriculata Alice Eastwood; John Thomas Howell 1936-4-19 2130 Contra Costa Nortonville Comment
  CAS-BOT-BC24119  Arctostaphylos auriculata John Thomas Howell 1931-5-12 6477 Contra Costa Nortonville Comment
  CAS-BOT-BC24122  Arctostaphylos auriculata Gary D. Wallace 1974-12-26 1372 Contra Costa Mt. Diaablo St. Pk. off Summit Dr. along a ridge E of Curry Point; SE of Balancing Rock. 530 Comment
  JEPS19888  Arctostaphylos auriculata W. L. Jepson 1922-7-14 9737 Contra Costa head of Sycamore Creek Mt. Diablo Comment
  JEPS96259  Arctostaphylos auriculata Dean Kelch 1995-3-14 97 .15 Contra Costa Rock City Mt. Diablo; e. contra Costa Co., , Rock City 457 Comment
  RSA70860  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa 8 miles NE Danville, S slope of Mt. Diablo. Comment
  SD69999  Arctostaphylos auriculata Darley F. Howe 1968-5-21 4519 Contra Costa Mount Diablo. Comment
  UC1309702  Arctostaphylos auriculata H. A. Jensen 1938-10-27 450 Contra Costa head of Curry Canyon Mt. Diablo 518 Comment
  UC692216  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2750 Contra Costa between two major cuts of Cowell Cement Company (w face of ridge); Mount Diablo, Lime Ridge Comment
  UC697792  Arctostaphylos auriculata Mary L. Bowerman 1932-9-5 1546 Contra Costa near fire trail which runs s from large spur (on meridian) heading into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UC75347  Arctostaphylos auriculata Alice Eastwood 1903-5-31 3161 Contra Costa Mt. Diablo Comment
  UCD50259  Arctostaphylos auriculata H. A. Stout; T. C. Wainwright 1980-3-27 Contra Costa Mallory Ranch, ca. 1 mile east of Morgan Territory Road. 609 Comment
  UC2028019  Arctostaphylos auriculata Barbara Ertter 1997-9-14 15817 Contra Costa Southwest side of Mount Diablo, Wall Point Road on open sandstone ridge northwest of Wall Point. Comment
  CAS-BOT-BC23596  Arctostaphylos crustacea John Thomas Howell 1925-9-19 1446 Contra Costa Moraga Ridge, Oakland Hills Comment
  CDA29577  Arctostaphylos crustacea D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .333 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  UCR7817  Arctostaphylos crustacea Wm. Horn Jr. 1964-2-26 640226 3 Contra Costa San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga 183 Comment
  CAS-BOT-BC23552  Arctostaphylos crustacea Neil Havlik; Walter Knight 1982-11-12 4548 Contra Costa Briones Regional Park adjacent to russell Tree Farm. 327 Comment
  CAS-BOT-BC23590  Arctostaphylos crustacea Walter Knight; Irja Knight 1980-3-16 3715 Contra Costa Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch road. Comment
  SEINET11989662  Arctostaphylos crustacea N. Havlik, Knight, W. 1982-1 4548 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
  CAS-BOT-BC24809  Arctostaphylos glandulosa subsp. glandulosa Paul F. Covel 1938-2-20 1113 Contra Costa Moraga Ridge above Pinehurst. Comment
  RSA367269  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 a Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC24655  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa Mount Diablo, Fossil Ridge, outer s. face: In gully nw. of South Gate. Comment
  CAS-BOT-BC24661  Arctostaphylos glauca Charles M. Belshaw 1936-10-26 2720 Contra Costa 3/4 mi. ne. of North peak, Mt. Diablo. 609 Comment
  JEPS38729  Arctostaphylos glauca W. L. Jepson 1916-10-22 6853 Contra Costa Las Trampas Ridge Comment
  UC692499  Arctostaphylos glauca Mary L. Bowerman 1931-9-12 1041 Contra Costa near road Mount Diablo, Mitchell-Pine divide Comment
  RSA632816  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27580 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA0002606  Arctostaphylos laevigata Alice Eastwood 1922-3-17 11082 Contra Costa Mt. Diablo Comment
  SD49824  Arctostaphylos manzanita H. A. Jensen 1938-10-27 457 Contra Costa Mt. Diablo quadrangle, 1 mi. SW from Nortonville 380 Comment
  CAS-BOT-BC38925  Arctostaphylos manzanita subsp. laevigata L. R. Abrams 1910-10-8 4345 Contra Costa Mt. Diablo 548 Comment
  RSA122398  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-2-26 104 Contra Costa 1 mile SW of Nortonville. 396 Comment
  RSA14514  Arctostaphylos manzanita subsp. laevigata L. S. Rose 1934-2-28 34040 Contra Costa 8 miles NE Danville, S slope of Mt. Diablo. Comment
  UC549758  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 683 Contra Costa Mt. Diablo Comment
  UC692217  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-1-30 1084 Contra Costa near firetrail w northeast fork of Sycamore Creek ((turn off ridge at fence where main ridge bends abruptly to north, follow fence)); Mount Diablo, Inner Black Hills Comment
  UC692231  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-9-5 1545 Contra Costa large spur on meridian which heads into Sycamore Canyon; Mount Diablo Comment
  UC692516  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 541 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UC692517  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1931-3-1 539 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UCD51727  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-2-26 112 Contra Costa 3/4 mile southwest of Somersville. 411 Comment
  CAS-BOT-BC24386  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1936-8-19 3530 Contra Costa Mount Diablo, Pine Canyon mouth, most northerly west-heading streamlet shown on topographic map (now dry). 167 Comment
  CAS-BOT-BC24387  Arctostaphylos manzanita subsp. manzanita Alice Eastwood; John Thomas Howell 1936-4-19 2129 Contra Costa Nortonville. Comment
  CAS-BOT-BC24395  Arctostaphylos manzanita subsp. manzanita M. Boone 1981-2-22 004 Contra Costa Mt. Diablo State Park 10.8 mi. from parks N. gate. Comment
  LA42216  Arctostaphylos pallida Lewis S. Rose; 1934-1-29 34010 Contra Costa Summit of Oakland Hills above Redwood Canyon Comment
  UC1120143  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1588 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC549443  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-2-15 608 Contra Costa Moraga Ridge Comment
  UC549462  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 634 Contra Costa Moraga Ridge Comment
  UC549463  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 630 Contra Costa Moraga Ridge Comment
  UC692227  Arctostaphylos tomentosa subsp. crustacea Mary L. Bowerman 1931-3-1 543 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  UC909851  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 635 Contra Costa Moraga Ridge Comment
  CDA31089  Argyranthemum foeniculaceum D. G. Kelch, Dick Moe, Doug Stone 2001-6-3 01 .-23 Contra Costa East Bay.; Brooks Island. Comment
  JEPS111635  Aristolochia californica D. G. Kelch 2004-3-5 04 .3 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 68 Comment
  SJSU1772  Aristolochia californica J. B. Youngberg 1956-4-28 357 Contra Costa 6 mi E of Orinda 198 Comment
  UC6151  Aristolochia californica Harley P. Chandler 1901-3-22 866 Contra Costa Port Costa San Francisco Bay Region, Port Costa Comment
  JEPS95239  Arnica discoidea Stephen W. Edwards 1991-1 Contra Costa Huckleberry Trail; Huckleberry Botanic Regional Preserves Comment
  SEINET14199582 Image available Artemisia californica W. L. Jepson 1898-10-14 s.n. Contra Costa Berkeley, Berkeley Hills Comment
  JEPS99962  Artemisia douglasiana A. Langston 2003-7-28 AL 74 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028360  Artemisia douglasiana Barbara Ertter with Tony Morosco 1998-7-11 16366 Contra Costa North base of Mount Diablo, margin Bruce Lee Road between Mitchell Canyon and Back Creek Comment
  SEINET11773093  Arum italicum F. Tahbaz, Ghavamzadeh, G. 1992-1 416 Contra Costa Orinda, by creek on Moraga Way, across street from Camino Moraga Comment
  HSC29723  Arundo donax J. D. Ackerman, A. M. Montalvo 1973-12-20 124 Contra Costa Hwy. 4 at Byron Comment
  JEPS47810  Asclepias californica Frank A. Leach 1918-12-1 Contra Costa hill 1 1/2 mi sw Upper Pine Canyon; Mt. Diablo Comment
  SEINET10779730  Asclepias californica subsp. greenei D. G. Nelson 1937-4-24 Nelson 520 Contra Costa On Marsh Creek Road, between Byron and Clayton Comment
  UCD80965  Asclepias fascicularis Chuck Hughes 2008-7-10 50 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 178 Comment
  SEINET10741688  Asclepias fascicularis Barbara J. Ertter, M. Bowerman; Lisa Schultheis 1996-7-5 Ertter 14916 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek, streamside vegetation. Comment
  UCSB22010  Asclepias fascicularis Olson, Glen 1968-7-5 Contra Costa 0.1 mile off the end of Broadmore Court, 0.2 mile north of its junction with St. Mary's Rd. Comment
  CDA39306  Asparagus officinalis subsp. officinalis A. G. Murdock 2003-6-24 115 Contra Costa Carquinez Strait; Near parking lot at northeast corner of Mount Wanda, Martinez. Comment
  JEPS79589  Aspidotis californica Edward Lee 1978-12-20 Contra Costa Devil's Elbow trail Mt Diablo 1036 Comment
  RSA417741  Aster radulinus Hattie Benton 1917-9-1 s.n. Contra Costa Mt. Diablo Comment
  CDA10358  Aster subulatus var. ligulatus D. G. Kelch 2006-9-15 6 .472 Contra Costa Carquinez Strait; Martinez. Waterfront Rd. Marina Dr. , 100 m. W of Pacheco Slough. Comment
  CAS-BOT-BC180572  Astragalus asymmetricus Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC180574  Astragalus asymmetricus M. K. Curran 1886-5-6 s.n. Contra Costa Antioch Comment
  UC1128838  Astragalus asymmetricus N. French 1935-7-19 644 Contra Costa 1/2 mi e Nortonville; Mt. Diablo Quad., e of Nortonville 304 Comment
  CAS-BOT-BC180570  Astragalus asymmetricus C. Hart Merriam 1906-9-13 s.n. Contra Costa Byron Springs Comment
  POM181432  Astragalus asymmetricus I. L. Wiggins 1930-4-17 4562 Contra Costa Near Mountain House, Altamont Pass. Comment
  CAS-BOT-BC178475  Astragalus gambelianus T. S. Brandegee 1886-5-1 s.n. Contra Costa Antioch Comment
  SEINET3869489  Athyrium filix-femina Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4983 Contra Costa Franks Tract, along San Joaquin River delta, sand mound slough. SE portion Bethel Slough.; 0 610 Comment
  CAS-BOT-BC17453  Athysanus pusillus M. K. Curran 1883-4-1 s.n. Contra Costa Antioch. Comment
  UC673344  Athysanus pusillus H. L. Mason 1929-3-29 5117 Contra Costa Mount Diablo 1066 Comment
  UCD150903  Atriplex argentea James A. Neilson Jr. 1972-10-22 3512 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  CHSC99191  Atriplex argentea var. mohavensis John Dittes 2006-10-26 1414 Contra Costa San Joaquin Valley (foothills near nw edge); ~ 2.0 air-mile south of Marsh Creek Reservoir Gauging Station, 1.6 air-mile southwest of intersection of Camino Diablo and Vasco Road; Contra Costa Water District's Los Vaqueros Watershed Mitigation Project Area. 67 Comment
  UC205356  Atriplex argentea var. mohavensis H. M. Hall 1919-11-12 10972 b Contra Costa where road turns from highway to Springs (Byron); Byron Comment
  CAS-BOT-BC168538  Atriplex coronata E. E. Stanford 1930-8-1 1869 Contra Costa Near Old River Comment
  CHSC98937  Atriplex coronata var. coronata Samantha Mackey Hillaire 2007-7-17 1243 a Contra Costa Briones Valley, ~0.2 mile west of Marsh Creek Reservoir. 60 Comment
Read comments
Jan 22 2009
  UCD97412  Atriplex fruticulosa Robert E. Preston; Eva Buxton 1994-8-4 674 Contra Costa east end of Briones Valley, west of Marsh Creek Reservoir. 60 Comment
  UC205040  Atriplex joaquinana Katharine Brandegee Contra Costa Antioch Comment
  JEPS111798  Atriplex lentiformis A. G. Murdock 2004-6-4 320 Contra Costa Pacheco Marsh On east end of diked marsh near road, only in highest point of old marsh (now dry ground) 5 Comment
  RSA666484  Atriplex prostrata Barbara Ertter, E. Neese 1988-10-15 7979 Contra Costa Salicornia marsh west of I-580 in El Cerrito, west side along Rydin Road north of Central Avenue. Comment
  SEINET12765208  Atriplex triangularis Barbara Ertter, B. Olson; L. L. Lake; Lynne Hosley 1991-10-20 10871 Contra Costa Just W of Antioch marina; along levee at water's edge, accessed from marina.; 0 Comment
  CDA19824  Avena fatua P. Akers 2002-5-11 s.n.- 1 a Contra Costa Northern California; Mt Diablo Rd. 205 Comment
  JEPS84882  Avena fatua G. D. Barbe 1983-5-22 4081 Contra Costa hillside along fire road n. of Juniper Campground; Mount Diablo State Park 877 Comment
  RSA129571  Avena fatua R. W. Lundh 1933-3-25 218 Contra Costa 1 mi. W. & 1/2 N. of Lafayette Acalanes; Concord 213 Comment
  UC1948935  Avena fatua William J. Ferlatte, L. Maynard Moe 1970-4-27 1225 Contra Costa San Francisco Bay: Red Rock Island Comment
  UCD56252  Avena fatua P. Akers 2002-5-11 s.n. Contra Costa Mt. Diablo Summit Trail. At water tank picnic area. 873 Comment
  UCD56084  Avena occidentalis G. Douglas Barbe 1983-5-22 4081 Contra Costa Mount Diablo State Park. 877 Comment
Read comments
Nov 19 2009
  SEINET8718193 Image available Avena sativa Laura Zeller 1965-1 81 Contra Costa Just E of the University of California Botanical Garden. Comment
  POM301042  Baccharis douglasii Mary L. Bowerman 1938-9-17 3719 Contra Costa Willow Spring Comment
  CDA10377  Baccharis glutinosa D. G. Kelch, A. G. Murdock 2003-8-13 3 .138 Contra Costa Carquinez Strait; Pinole Creek. Comment
  JEPS111735  Baccharis glutinosa D. G. Kelch 2004-9-2 04 .338 Contra Costa Pacheco Marsh Marsh east of Martinez and I-680 and east of lone tree Marsh. 5 Comment
  UC2070517  Baccharis glutinosa Barbara Ertter 2005-8-15 18629 Contra Costa East side of Contra Loma Reservoir south of Antioch, marsh in SE cove. Comment
  JEPS75550  Baccharis pilularis P. F. Yorks 1974-9-28 368 Contra Costa n of, (1.6 km s of Bear Cr. Rd on Hampton Road in Hampton) Briones Reservoir; Hampton 180 Comment
  SEINET7239588 Image available Baccharis salicifolia Chesnut, Drew 1889-4-16 s.n. Contra Costa Clayton Comment
  PASA2177  Baeria chrysostoma Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC761940  Balsamorhiza deltoidea R. F. Hoover 1939-4-13 4015 Contra Costa head of Markley Canyon, (w branch) Markeley Canyon Comment
  CAS-BOT-BC106560  Balsamorhiza deltoidea G. L. Stebbins 1937-5-1 2108 Contra Costa North facing ridge, about 1 mile south of Somersville. 365 Comment
  CDA31460  Barbarea orthoceras D. G. Kelch 2006-5-27 6 .218 Contra Costa Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge. Comment
  UC691254  Barbarea orthoceras Mary L. Bowerman 1933-4-22 1899 Contra Costa w of Cave Point (s-face); Mount Diablo, Inner Black Hills Comment
  CDA21555  Bassia hyssopifolia D. G. Kelch, Michael Park 2008-9-1 8 .293 Contra Costa Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez. Comment
  JEPS21967  Bellardia trixago G. Thomas Robbins with S. Galen Smith 1958-6-2 3849 Contra Costa just e Hercules city boundary (s and above Refugio Valley, slope along Franklin Canyon Road (State Highway 4)) 18 Comment
  UC1584667  Bellardia trixago Jerry Powell 1987-7-14 1500 Contra Costa Point Molate Beach Comment
  UCSC000661  Bellardia trixago Mrs. G. Garlichs 1938-5-2 s.n. Contra Costa Wine Haven, Point Richmond Comment
  CHSC23354  Bellis perennis Willis Ball 1975-2-23 441 Contra Costa Contra Loma Regional Park. In area #1. Ca. 40 yds W of restroom facility on the S end of the lake. 30 Comment
  UC1328149  Berberis nervosa Olive Dyer 1937-2-27 208 Contra Costa just s Grizzly Peak (upper end of canyon on w side of n tributary); Wildcat Canyon Comment
  CAS-BOT-BC75784  Berberis pinnata 1917-3-25 113 Contra Costa West slope of Mount Diablo. 609 Comment
  CAS-BOT-BC102106  Bidens cernua Peter Raven 1948-11-28 172 Contra Costa Sloughs, L. San Joaquin R. Comment
  NY31015  Blennosperma californicum L. S. Rose 1933-3-10 33008 Contra Costa Marsh Creek Comment
  RSA44377  Blennosperma nanum L. S. Rose 1949-3-24 49011 Contra Costa 4 mi S of Byron low wet valley. 8 Comment
  CAS-BOT-BC100699  Blennosperma nanum var. nanum Brandegee s.n. Contra Costa [Antiock] Antioch Comment
  CAS-BOT-BC100703  Blennosperma nanum var. nanum M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  UCD129617  Blepharizonia laxa Robert E. Preston 1996-9-27 1012 Contra Costa NW-facing hillside, 0.5 mile south of Contra Loma Reservoir. 106 Comment
  CAS-BOT-BC100333  Blepharizonia plumosa R. F. Hoover 1937-8-31 2704 Contra Costa Pittsburg Comment
  CAS-BOT-BC100337  Blepharizonia plumosa K. Curran 1883-8-1 s.n. Contra Costa Antioch Comment
  JEPS18818  Blepharizonia plumosa R. F. Hoover 1937-9-2 2708 Contra Costa Walnut Creek Comment
  SEINET10570457  Bloomeria aurea William H. Brewer 1862-6-19 Brewer 1291 Contra Costa Geological Survey of California, 1860-67. Pacheco Pass, near Camp 77. Comment
  CAS-BOT-BC15966  Boechera breweri subsp. breweri A. D. E. Elmer 1903-6-1 5096 Contra Costa Mount Diablo. Comment
  UC311620  Boechera breweri subsp. breweri E. W. Hicks 1917-3-24 111 Contra Costa w slope Mt. Diablo 1067 Comment
  CAS-BOT-BC15959  Boechera breweri subsp. breweri E. W. Hicks 1917-3-24 111 Contra Costa Mount Diablo. On the western slope of the mountain. 1067 Comment
  CAS-BOT-BC15960  Boechera breweri subsp. breweri E. W. Hicks 1917-3-24 111 Contra Costa Mount Diablo. Western slope of the mountain. 1067 Comment
  CAS-BOT-BC15967  Boechera breweri subsp. breweri Mary L. Bowerman 1932-3-27 1142 Contra Costa Mount Diablo. On Mitchell Rock. Comment
  RSA102247  Boisduvalia cleistogama M. K. Curran 1886-05 s.n. Contra Costa Near Antioch. Comment
  JEPS78632  Bolboschoenus maritimus Walter Knight and Harry Reeves 1979-8-25 3408 Contra Costa near Antioch (Contra Loma Regional Park below dam near golf course); near Antioch, Contra Loma Regional Park 22 Comment
  CHSC79610  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14395 Contra Costa Sacramento-San Joaquin River Delta. At E end of Dow Chemical property in Pittsburg. 15 Comment
  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
  CAS-BOT-BC95322  Bowlesia incana James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  JEPS111597  Bowlesia incana A. G. Murdock 2004-4-30 242 Contra Costa Vaca Canyon 165 Comment
  UC692369  Bowlesia incana Mary L. Bowerman 1931-3-21 591 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon Comment
  UC2028574  Bowlesia incana Barbara Ertter with Stu Garrett 1997-3-29 15538 Contra Costa West side Mount Diablo, north end of Mothers Trail. Comment
  PASA1924  Bowlesia lobata Annetta Carter 1929-3-31 Contra Costa Hills north on Mt. Diablo. Near Clayton Comment
  RSA0029674  Brachypodium distachyon Barbara Ertter, Dan Norris 1998-6-18 16222 Contra Costa Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo. 457 Comment
  JEPS53247  Brassica nigra W. L. Jepson 1921-5-22 9199 Contra Costa Mount Diablo 1/2 way up roadway grade to summit Mount Diablo 1173 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-BC36655  Brassica oleracea Walter Knight 1979-5-15 3450 Contra Costa Grangers Wharf, Martinez Regional Shoreline. Comment
  CAS-BOT-BC36726  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island. Comment
  CDA34051  Brassica rapa D. G. Kelch, D. A. Weinstein 2011-3-5 11 .032 Contra Costa Carqionez Strait Region.; Pt. Pinole. Comment
  UC2027845  Brickellia californica Barbara Ertter with Mary Bowerman 1996-11-1 15403 Contra Costa North base of Mount Diablo, lower Donner Creek between trailhead and cabin site. Comment
  JEPS108535  Briza maxima Lisa Schultheis 1995-4-29 76 -95 Contra Costa along Knobcone Point trail, just after Curry Point trail splits into Knobcone and BlackHawk trails 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
  UC697128  Brodiaea elegans subsp. elegans Mary L. Bowerman 1930-6-3 229 Contra Costa North Road Mount Diablo 167 Comment
  UC1134002  Brodiaea terrestris subsp. terrestris C. M. Belshaw 1936-5-9 2079 Contra Costa 1.5 mi e Mulligan Hill; Mt. Diablo Quad. 152 Comment
  CAS-BOT-BC149400  Bromus berteroanus Mary L. Bowerman 1935-4-17 2844 Contra Costa Mount Diablo. North Road 2 miles from North Gate, ridge west of chaparral. Immediately east of section line. 304 Comment
  SEINET7297525 Image available Bromus berteroanus Beecher Crampton 1956-1 3415 Contra Costa Oak woodland, foothills, 1/2 mile west of Martinez Comment
  CHSC75136  Bromus carinatus Roger Thom 1987-4-21 3 Contra Costa 3300 block Johnson Rd. Lafayette. 152 Comment
  JEPS97560  Bromus carinatus R. D. Stone 1980-7-13 276 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Road) Comment
  UC53787  Bromus carinatus var. carinatus J. Burtt Davy Apr 1897 Contra Costa Point Isabel; Western Middle California, Point Isabel Comment
  UC606737  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1958 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC692337  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-22 3038 Contra Costa w of Twin Peaks (Mount Diablo, Eagle Point Ridge); Mount Diablo, Eagle Point Ridge 304 Comment
  JEPS75533  Bromus diandrus P. F. Yorks 1974-4-28 1452 Contra Costa on Hampton road 1.7 km s of Bear Creek Road (n of Briones Reservoir, in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  UC2028404  Bromus diandrus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16113 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail Comment
  UC692289  Bromus diandrus Mary L. Bowerman 1935-5-25 3068 Contra Costa Mount Diablo, s of summit Mount Diablo 1066 Comment
  UCD58533  Bromus diandrus Beecher Crampton 1956-5-14 3409 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  POM300689  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Canyon south of Arroyo del Cerro: Rocky knoll 250 feet below spring. Comment
  UC60206  Bromus hordeaceus Jos. Burtt Davy 1899-4-19 7866 Contra Costa Las Trampas Creek Comment
  CAS-BOT-BC155471  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro. Rocky knoll 250 feet below spring. Comment
  SEINET10514555  Bromus hordeaceus Knowles 1941-1 KNOWLES 87 -10 Contra Costa Briones Hills, cultivated, greenhouse. Comment
  UC691134  Bromus laevipes Mary L. Bowerman 1933-6-7 2264 Contra Costa Mount Diablo, between Meridian and North Peaks Mount Diablo 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
  CAS-BOT-BC162353  Bromus madritensis Mary L. Bowerman 1935-4-19 2863 Contra Costa Mount Diablo. Near Turtle Rock. 457 Comment
  CAS-BOT-BC162357  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  UC692336  Bromus madritensis subsp. madritensis Mary L. Bowerman 1932-4-27 1371 Contra Costa canyon w of Riggs Canyon (s face of Oyster Ridge, Mount Diablo); Mount Diablo, Oyster Ridge 289 Comment
  UCD59584  Bromus rubens P. B. Kennedy 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CDA8350  Bromus sterilis D. G. Kelch, A. G. Murdock 2005-5-13 05 .268-B Contra Costa Carquinez Strait; Martinez-West: Ozol Rock and Scenic Drive. Ozol rock in road cuts. 0 Comment
  UC2029187  Bromus sterilis Barbara Ertter 2000-5-14 17013 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail between Donner Creek and Wild Oat Canyon Comment
  UC692311  Calandrinia breweri Mary L. Bowerman 1933-5-3 1971 Contra Costa due s Meridian Peak summit; Mount Diablo 731 Comment
  UC85557  Calandrinia ciliata Katharine Brandegee May, 1889 Contra Costa Antioch Comment
  JEPS102906  Calochortus albus Barbara Ertter with John Ginochio 2002-6-1 17938 Contra Costa Arroyo del Cerro on NW side of mountain, above connector road between Government Road and Olofson Homestead Mount Diablo Comment
  CAS-BOT-BC487477  Calochortus albus Robert F. Hoover 1939-4-26 4067 Contra Costa Head of Markley Canyon (west branch) Comment
  SEINET8495447 Image available Calochortus albus Susan Keefer 1969-5-2 33 Contra Costa 1.5 miles from Alamo, east base of Las Trampas Ridge, 5 miles west of Mt. Diablo. Comment
  CAS-BOT-BC490528  Calochortus luteus Mary L. Bowerman 1933-6-14 2281 Contra Costa Inner Black Hills west of 1970 Comment
  UC2028348  Calochortus luteus Barbara Ertter with Susan D'Alcamo 1998-6-12 16197 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo Comment
  CAS-BOT-BC132489  Calochortus pulchellus A. D. E. Elmer 1903-6-1 4631 Contra Costa Mount Diablo Comment
  CAS-BOT-BC132501  Calochortus pulchellus Carl Purdy 1899-5-15 s.n. Contra Costa Mt. Diablo Comment
  HSC93902  Calochortus pulchellus C. Newberry 1994-4-30 7250 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek 900 Comment
  JEPS55634  Calochortus pulchellus Wayne Roderick 1967-5-30 Contra Costa ca 7 rd mi e Clayton (Marsh Creek Road, between Marsh Creek Stables and Inn) Comment
  UC204208  Calochortus pulchellus A. D. E. Elmer Jun 1903 4631 Contra Costa Mount Diablo Comment
  UC672145  Calochortus pulchellus Herbert L. Mason 1928-4-29 4420 Contra Costa Sycamore Canyon Mount Diablo Comment
  CAS-BOT-BC132495  Calochortus pulchellus Elizabeth McClintock; Wayne Roderick 1967-5-30 s.n. Contra Costa Marsh Creek Road, n. base of Mt. Diablo 76 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
  UC1601662  Calochortus umbellatus W. H. Brewer 1862-5-1 1035 Contra Costa s of Camp 69; Walnut Creek Comment
  UC691543  Calycadenia truncata Mary L. Bowerman 1933-8-26 2412 Contra Costa w of Lower Pine Spring; Mount Diablo Comment
  CAS-BOT-BC436385  Calystegia Alice Eastwood 1915-5-30 4441 Contra Costa Mt. Diablo Comment
  UC691903  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-5-25 3072 Contra Costa s summit (Mount Diablo); Mount Diablo 1082 Comment
  UC2032816  Calystegia purpurata Doran, Andrew Scott 2012-3-20 686 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  UC691902  Calystegia purpurata Mary L. Bowerman 1932-9-24 1588 Contra Costa ridge running w from Twin Peaks (Mount Diablo); , ridge running w from Twin Peaks 335 Comment
  CDA39897  Calystegia purpurata subsp. purpurata A. G. Murdock 2003-6-2 79 Contra Costa Carquinez Strait Region; Franklin Canyon - McHarry Ranch Rd. Comment
  UC1818948  Calystegia purpurata subsp. purpurata Barbara Ertter, volunteers 1996-5-11 14643 Contra Costa North Gate Road at northwest base of Mount Diablo, just barely inside state park boundary; along Little Pine Creek. 176 Comment
  CAS-BOT-BC202026  Calystegia sepium subsp. limnophila J. W. Congdon 1893-7-30 s.n. Contra Costa Martinez Comment
  SEINET3449072  Calystegia sepium subsp. limnophila Dean G. Kelch, Andrew G. Murdock 2004-7-9 DGK 4 .289 Contra Costa Crockett, Crockett, immediately below high school, Edwards Creek 4 Comment
  CDA39896  Calystegia sepium subsp. limnophila T. C. Fuller 1964-11-6 12807 Contra Costa Northeast side of Bethel Island. 0 Comment
  UC1794958  Calystegia subacaulis R. K. Brummitt and B. Ertter 1998-5-13 19841 Contra Costa S of Antioch, Black Diamond Mine Regional Park. Comment
  UC1965403  Calystegia subacaulis R. K. Brummitt and B. Ertter 2012-6-17 22061 Contra Costa Berkeley Hills, Tilden Park, Seaview Trail north of Vollmer Peak Comment
  UC1795008  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-13 19835 Contra Costa Mt Diablo, near foot of southern ascent road 260 Comment
  POM31989  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa Antioch Comment
  RSA181415  Camissonia campestris subsp. campestris James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC35393  Camissonia campestris subsp. campestris Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  UC635291  Camissonia campestris subsp. campestris H. L. Mason 1931-4-5 5820 Contra Costa Antioch sandhills Comment
  RSA454744  Camissonia campestris subsp. campestris H. de Forest 1930-4-6 s.n. Contra Costa [No location information on label.] Comment
  RSA135377  Camissonia contorta Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Valley. Comment
  JEPS107069  Camissonia 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 through chaparral zone. 304 Comment
  RSA186718  Camissonia intermedia D. E. Breedlove 1963-5-2 4698 Contra Costa At entrance to Mt. Diablo State Park 4 miles east of Danville Comment
  JEPS44361  Camissoniopsis intermedia W. L. Jepson 1921-11-19 9520 Contra Costa Mt. Diablo Comment
  UC635407  Camissoniopsis intermedia H. L. Mason 1929-3-15 5048 Contra Costa Nortonville Comment
  UC692451  Camissoniopsis intermedia Mary L. Bowerman 1932-4-27 1379 Contra Costa canyon w Riggs Canyon (s face of ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC20498  Camissoniopsis micrantha W. H. Brewer 1862-4-24 988 Contra Costa Camp 68 Martinez Comment
  SEINET10461960  Campanula exigua Rattan 1886-6-14 RATTAN s.n. Contra Costa Summit of Mount Diablo Comment
  SEINET10461961  Campanula exigua Edward L. Greene 1892-6-20 Greene s.n. Contra Costa Mount Diablo Comment
  UC1050327  Campanula grossekii N. Floy Bracelin 1941-8-17 1572 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1789147  Campsis radicans Barbara Ertter 1998-5-10 16370 Contra Costa southeast edge of Antioch Marina. Comment
  JEPS111860  Cardamine californica D. G. Kelch 2004-3-12 04 .23 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 140 Comment
  UC2028965  Cardamine californica Barbara Ertter 2003-2-8 18090 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC10419  Cardamine californica var. integrifolia W. H. Brewer 1862-5-1 1039 Contra Costa Walnut Creek Comment
  UC1606309  Cardamine hirsuta Barbara Ertter 1993-2-28 11461 Contra Costa edge Vollmer Peak Trail (Tilden Regional Park in Berkeley Hills, above steam trains); Tilden Regional Park in Berkeley Hills Comment
  UC2070560  Cardamine hirsuta Barbara Ertter 2002-5-16 17853 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UCR17092  Cardamine oligosperma James K. Ryan 1969-3-31 46 Contra Costa Mt. Diablo State Park, Horseshoe Picnic Area, very close to area entrance 610 Comment
  RSA0029785  Cardamine oligosperma Barbara Ertter 2000-3-19 16897 Contra Costa Southwest side of Mount Diablo, Stage Road along Pine Creek, ca. 0.5 mile above Pine Pond. 198 Comment
  JEPS79443  Carduus tenuiflorus Edward Lee with Annetta Carter 1935-6-13 1431 Contra Costa s Richmond Panhandle Boulevard; Richmond Comment
  CAS-BOT-BC17999  Carex aquatilis var. dives Walter Knight; Joanne Dean 1978-8-14 3142 Contra Costa Browns Island. Comment
  CDA29516  Carex barbarae D. G. Kelch, Troy MacGregor 2009-5-1 9 .277 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  POM300641  Carex barbarae Mary L. Bowerman 1935-9-13 3344 Contra Costa Mount Diablo: Frog Pond, at head of Frog Pond Spring. Comment
  UC1795637  Carex barbarae Barbara Ertter, Gary Schoolcraft 1996-4-7 14579 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge; old railroad bed where blocked by french-broom, low spot where water gathers. Comment
  UC691962  Carex densa Mary L. Bowerman 1934-4-21 2531 Contra Costa at junction of North and South Roads Canyon Nook Comment
  UC691963  Carex densa Mary L. Bowerman 1938-5-28 3646 Contra Costa South Road, by spring, paralleling streamlet Mount Diablo 640 Comment
  CDA31160  Carex globosa D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .227 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC691954  Carex serratodens Mary L. Bowerman 1938-6-30 3706 Contra Costa Indian Ceremonial Spring Mount Diablo 1005 Comment
  UC2028564  Carex serratodens Barbara Ertter with Mary Bowerman 1996-11-1 15405 Contra Costa North base of Mount Diablo, lower Donner Creek between trailhead and cabin site, along now dried stream bed. Comment
  JEPS25119  Carex subbracteata G. Thomas Robbins 1959-4-18 3985 Contra Costa 1/2 mi e Pt. San Pablo (overlooking San Pablo Bay); San Pablo Bay, Richmond 7 Comment
  CAS-BOT-BC115559  Carex tumulicola Walter Knight; Irja Knight 1967-7-9 2067 Contra Costa Regional Parks Botanic Cargen. Comment
  CDA34365  Carthamus tinctorius E. Finley 1991-6-27 PDR 787956 Contra Costa Along Interstate 680 near Alamo. 0 Comment
  CDA41348  Castilleja affinis D. G. Kelch 2005-6-14 5 .332 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  UC1818874  Castilleja affinis subsp. affinis Barbara Ertter, Brad Olson 1994-5-7 12753 Contra Costa Send Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Hillside Comment
  UC525863  Castilleja affinis subsp. affinis Robert W. Gardner 1934-3-30 57 Contra Costa 3 mi s Mt. Diablo Comment
  UC765541  Castilleja affinis subsp. affinis R. F. Hoover 1938-5-4 3346 Contra Costa peak e of Tassajero Creek Comment
  UCSB39456  Castilleja applegatei subsp. martinii Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the east end of Ball Rd., in the Shell Ridge Open Space Area, SE of the rock quarry 124 Comment
  UC1819048  Castilleja attenuata Barbara Ertter, Lisa Schultheis 1995-4-27 14005 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
  HSC20894  Castilleja densiflora Greg Bos 1963-4-28 95 Contra Costa Pinole hills overlooking San Pablo Bay 46 Comment
  UC54724  Castilleja densiflora subsp. densiflora J. P. Tracy 1903-4-18 1806 Contra Costa e slope beyond Bald Peak (hills near Berkeley); San Francisco Bay Region 304 Comment
  CDA41325  Castilleja exserta subsp. exserta D. G. Kelch 2005-5-13 5 .239 Contra Costa Carquinez Strait Region; Martinez. South of oil refinery along railroad tracks in fragment of habitat. Comment
  JEPS100148  Castilleja foliolosa G. Smick 2003-2-20 GAS 48 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET5543151  Castilleja parviflora H. S. Gentry 1931-1 51 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  UC2045291 Image available Castilleja parviflora var. douglasii Mary L. Bowerman 1930-6-5 243 Contra Costa West road, 5.8 miles from entrance Comment
  CDA41397  Castilleja rubicundula subsp. lithospermoides A. G. Murdock 2003-6-24 114 Contra Costa Carquinez Strait; Near upper trail on north side of Mount Wanda, Martinez. Comment
  JEPS9141  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1922-7-9 9729 Contra Costa Richmond Comment
  JEPS99573  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1978-5-24 Contra Costa Mount Diablo. Donner Canyon, west side trail of Hetherington Loop 2 Comment
  UC691618  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1935-5-22 3035 Contra Costa n end Eagle Point ridge; Mount Diablo 289 Comment
  JEPS121057  Castilleja wightii D. G. Kelch 1999-6-23 99001 B Contra Costa Vaca Canyon along Alhambra Valley Road about 1.5 mile East of Pig Sale Comment
  CDA29227  Castilleja wightii D. G. Kelch 2002-6-17 2 .013 Contra Costa Carquinez Strait; Vaca Canyon. 1.5 kilometers east of Pig Sale on Alhambra Valley Road. 0 Comment
  SEINET10582750  Castilleja wightii Lawrence R. Heckard 1973-6-6 Heckard 3421 Contra Costa Ravine behind La Moine Park (Richmond). 122 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
  JEPS116912  Caulanthus lasiophyllus David Gowen 2009-4-4 978 Contra Costa West face near summit of hill east of Las Trampas Ridge, just northwest of junction of Del Amigo and Sulpher Springs trails. Comment
  CAS-BOT-BC48835  Ceanothus cuneatus W. C. Blasdale 1896-2-29 s.n. Contra Costa Mt. Diablo Comment
  JEPS48720  Ceanothus cuneatus var. cuneatus W. L. Jepson 1945-3-11 27553 Contra Costa Moraga Ridge Comment
  UC1071131  Ceanothus cuneatus var. cuneatus R. C. Wilson 1935-3-12 123 Contra Costa 1 mi se, Wall Pt.; Mt. Diablo quad. 335 Comment
  UC480608  Ceanothus cuneatus var. cuneatus Carl Meyer 1928-2-22 Contra Costa Mt. Diablo Comment
  UC692589  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1930-6-10 319 Contra Costa accross the rd from and slightly below, Muir Area; Mount Diablo Comment
  UCSB22769  Ceanothus cuneatus var. ramulosus Jones, D. 1967-3-25 Contra Costa Along nature trail at park headquarters, Mt. Diablo State Park. 475 Comment
  CAS-BOT-BC49716  Ceanothus cuneatus var. rigidus Brandegee 93 Contra Costa Nortonville Comment
  JEPS42198  Ceanothus oliganthus var. sorediatus W. L. Jepson 1916-7-16 6814 Contra Costa Oakland hills Comment
  JEPS99540  Centaurea melitensis Mary L. Bowerman 1995-6-4 Contra Costa Mount Diablo, North Gate Rd. Comment
  JEPS44120  Centaurea melitensis W. L. Jepson 1922-7-9 9735 Contra Costa El Cerrito salt marsh El Cerrito Comment
  CAS-BOT-BC284463  Centaurea solstitialis Chester Dudley 1931-7-1 s.n. Contra Costa Walnut Creek Comment
  JEPS111969  Centaurium davyi Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 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
  CAS-BOT-BC288536  Centromadia fitchii David D. Keck 1933-11-2 2609 Contra Costa San Ramon, Crow Creek Canyon Rd, 0.5 mile from turnoff Comment
  UC1777686  Centromadia parryi subsp. congdonii R. E. Preston 1998-10-25 1198 Contra Costa junction of Sycamore Valley Rd and Camino Tassajara Danville 129 Comment
  CAS-BOT-BC288875  Centromadia parryi subsp. congdonii R. F. Hoover 1966-8-31 9943 Contra Costa Junction of Tassajara and Freitas Rds, E of Danville Comment
  CAS-BOT-BC288880  Centromadia parryi subsp. congdonii David D. Keck 1933-11-2 2611 Contra Costa 2.7 miles N of Walnut Creek Comment
  OBI16179  Centromadia parryi subsp. congdonii Robert F. Hoover 1966-8-31 9943 Contra Costa Jctn of Tassajara and Freitas Rds E of Danville Comment
  UCD148253  Centromadia pungens Robert E. Preston 2013-6-21 2915 Contra Costa 3.5 mi SW of Byron. 72 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-BC279205  Centromadia pungens subsp. pungens John Thomas Howell 1930-9-28 5489 Contra Costa 2 miles from Concord on road to Walnut Creek Comment
  JEPS35034  Centromadia pungens subsp. pungens W. L. Jepson 1895-9-14 Contra Costa Walnut Creek Comment
  JEPS65191  Centromadia pungens subsp. pungens L. R. Heckard 1971-4-15 2476 Contra Costa 3 mi s Byron (at Holey Road) Comment
  UC306676  Centromadia pungens subsp. pungens A. D. E. Elmer 1903-5-1 4392 Contra Costa Walnut Creek Comment
  UC89009  Centromadia pungens subsp. pungens E. L. Greene 1886-5-23 Contra Costa Byron Springs Comment
  UC1819017  Centromadia pungens subsp. pungens Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14679 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; packed ground around Tank 14 in center of hillside. Comment
  UC2029033  Centromadia pungens subsp. pungens Barbara Ertter 2002-11-11 18079 Contra Costa Round Valley Regional Preserve east of Mount Diablo, alkaline spring on Murphy's Meadow Trail at north end of Round Valley. Comment
  JEPS51352  Cerastium glomeratum W. L. Jepson 1922-4-16 9600 Contra Costa San Pablo Comment
  CAS-BOT-BC137008  Cercocarpus betuloides var. betuloides L. R. Abrams 1910-10-8 4355 Contra Costa Mt. Diablo Summit 1158 Comment
  UC565564  Chaenactis glabriuscula var. glabriuscula H. L. Mason 1929-3-31 5157 Contra Costa Antioch, sand dikes along San Joaquin River San Joaquin River, Antioch Comment
  UC2028248  Chamaesyce ocellata subsp. ocellata Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16402 Contra Costa North Gate Road on west side of Mount Diablo, 1 mile below Junction. Comment
  JEPS99568  Chamaesyce serpillifolia subsp. serpillifolia Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Chase Pond. Comment
  UC2062625  Chamaesyce serpyllifolia var. serpyllifolia Barbara Ertter with John Ginochio 2002-6-1 17944 Contra Costa Ginochio house on south side of North Gate Road on NW base of Mount Diablo, lower Arroyo del Cerro. Comment
  UC42419  Cheilanthes gracillima W. H. Brewer 1862-5-28 1171 Contra Costa summit Mt Diablo Comment
  CDA15274  Chenopodium album G. F. Hrusa, D. Crowe, R. York 1998-7-17 14711 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  UC2012996  Chenopodium berlandieri Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14926 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UC1199816  Chenopodium californicum Herbert L. Mason 1929-3-31 5158 Contra Costa Antioch Sacramento River 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
  CAS-BOT-BC252677  Chorizanthe membranacea M. K. Curran 1884-1-1 s.n. Contra Costa Unspecified Comment
  UCSB27372  Chrysolepis chrysophylla Havlik, Neil 1969-7-18 Contra Costa About one-half mile from Skyline Blvd. on the Huckleberry Trail, Oakland Hills 396 Comment
  JEPS46617  Chrysolepis chrysophylla var. minor W. L. Jepson 1919-1-25 8210 Contra Costa Moraga Ridge Comment
  JEPS77018  Chrysolepis chrysophylla var. minor Robert M. Lloyd 1963-3-17 Contra Costa on Skyline across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive); Skyline Drive, Huckleberry Trail Comment
  UCD127262  Cicuta maculata var. bolanderi Walter Knight; Irja Knight et al. 1978-9-5 3244 Contra Costa Browns Island. Comment
  UC1789151  Cinnamomum camphora Barbara Ertter 2001-5-26 17653 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank. Comment
  CAS-BOT-BC277977  Cirsium cymosum John Thomas Howell 1931-5-12 6479 Contra Costa North side of Mt. Diablo Comment
  CDA33850  Cirsium occidentale D. G. Kelch 2010-5-15 10 .127 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  OBI73069  Cirsium occidentale David J. Keil, with Barbara Ertter et al. 2000-6-18 28816 Contra Costa Mount Diablo State Park. Fire interpretive trail around Mt. Diablo summit. 1128 Comment
  JEPS59168  Cirsium occidentale var. venustum W. L. Jepson 7571 a Contra Costa Mt. Diablo, Donner Canyon Contra Costa 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
  UC691382  Cirsium occidentale var. venustum Mary L. Bowerman 1930-6-18 348 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook (Rock City) Canyon Comment
  UC691383  Cirsium occidentale var. venustum Mary L. Bowerman 1931-5-23 899 Contra Costa Oyster Point Mount Diablo, Oyster Point Comment
  SD245260  Cirsium occidentale var. venustum David Keil, Barbara Ertter, et al 2000-6-18 28815 D Contra Costa Mount Diablo State Park. Lower part of Jumper Trail above Laurel Dell picnic area. 914 Comment
  RSA0070867  Cirsium quercetorum J. T. Howell 1938-6-30 13940 Contra Costa Berkeley Hills on NE slope near head of Wildcat Canyon. Comment
  UCD161763  Cirsium vulgare James A. Neilson Jr.; Samuel A. Bamberg 1972-10-22 3507 Contra Costa Walnut Creek drainage. (Exact location unknown. Coordinates and elevation estimated by label maker based on collection data from same date.) 1 Comment
  RSA757051  Citrullus colocynthis var. lanatus Rudolf Schmid 2003-9-13 2003 -15 Contra Costa Vacant lot, 24 Edwin Drive, Kensington 169 Comment
  CAS-BOT-BC162631  Clarkia R. D. Stone 1983-5-17 509 Contra Costa On ridge at northe end of Walker Ranch, near Alameda County line ca. 9 mi. NE of Livermore and 1 mi. NNE of Brushy Peak, upper Kellogg Creek drainage 342 Comment
  UC924273  Clarkia affinis H. S. Reed 1940-4-30 344 Contra Costa ne slopes Mount Diablo (Marsh Creek road) 243 Comment
  UC2028167  Clarkia affinis Barbara Ertter 1998-5-3 16077 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  UC2028321  Clarkia affinis Barbara Ertter, Susan D'Alcamo 1998-6-12 16155 Contra Costa North Gate Road on west flank of Mount Diablo near Buckle Point. Comment
  JEPS43663  Clarkia biloba W. L. Jepson 1918-6-3 7585 Contra Costa Donner Canyon Mt. Diablo 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
  UC692438  Clarkia biloba Mary L. Bowerman 1930-6-22 355 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC2070450  Clarkia biloba Barbara Ertter 2002-6-22 17825 Contra Costa Donner Basin on north side of Mount Diablo, Falls Loop Trail south of Wild Oat Canyon. Comment
  CAS-BOT-BC163604  Clarkia biloba subsp. biloba A. D. E. Elmer 1903-5-1 4319 Contra Costa Mt. Diablo Comment
  LA106651  Clarkia biloba subsp. biloba W. L. Jepson; 1918-6-3 7585 Contra Costa Donner Canyon, Mount Diablo 685 Comment
  CAS-BOT-BC164156  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  JEPS43618  Clarkia concinna subsp. concinna W. L. Jepson 1923-6-10 9987 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  UC2028989  Clarkia concinna subsp. concinna Barbara Ertter 2000-5-14 17005 Contra Costa Donner Canyon on north side of Mount Diablo, serpentinitic sites in general area of junction of Donner Canyon, Cardinet Oaks, and Meridian Ridge roads, edged by Arctostaphylos glauca et al. Comment
  UCSC000483  Clarkia modesta Jean M. Nelson 1937-5-8 s.n. Contra Costa Small canyon at the head of Markley Canyon, north of Mount Diablo Markley Canyon, Mount Diablo - Somersville Comment
  UC2028270  Clarkia purpurea Barbara Ertter 1999-6-12 16707 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  POM262916  Clarkia purpurea subsp. purpurea Herbert McLean Evans s.n. Contra Costa Mount Diablo Comment
  RSA60760  Clarkia purpurea subsp. purpurea Edward L. Greene 1889-05 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC163670  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Sutliffe 1920-5-30 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC163672  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1931-5-12 6483 Contra Costa Mt. Diablo Comment
  JEPS111553  Clarkia purpurea subsp. quadrivulnera Christopher Thayer 1995-5-20 Contra Costa Carquinez Straits Dr. near Ozol entrance gate Comment
  UC1122404  Clarkia purpurea subsp. quadrivulnera C. M. Belshaw 1936-5-9 2077 Contra Costa 1 1/2 mi e Mulligan Hill (near plot 13); Mt. Diablo Quadrangle Comment
  UC692485  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1933-5-18 2122 Contra Costa Blackberry Spring Mount Diablo 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
  JEPS43601  Clarkia unguiculata W. L. Jepson 1919-6-8 8325 Contra Costa Mt. Diablo Comment
  RSA41158  Clarkia unguiculata Robert F. Hoover 1937-5-14 2110 Contra Costa Antioch sand-dunes Comment
  CDA33794  Claytonia exigua D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .111 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC692549  Claytonia exigua subsp. exigua Mary L. Bowerman 1935-4-22 2893 Contra Costa ridge w Pioneer Road, Mount Diablo (w of Stage Road); Mount Diablo 822 Comment
  POM300714  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1110 Contra Costa Alamo Canyon; East-facing bank fifteen ft. above the stream. 351 Comment
  UC1818931  Claytonia exigua subsp. exigua Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14592 Contra Costa Mount Diablo; ; North Peak of Mt. Diablo; open rocky flats. Comment
  CAS-BOT-BC439322  Claytonia exigua subsp. glauca Mary L. Bowerman 1932-3-12 1114 Contra Costa Mount Diablo. Alamo Canyon 365 Comment
  UC7871  Claytonia gypsophiloides Edw. L. Greene Jun 1892 Contra Costa Mount Diablo Comment
  SEINET198599 Image available Claytonia gypsophiloides P. Kamb, F Chisaki 1950-3-18 1638 Contra Costa Saddle betwee4n N and S peaks of Mt. Diablo 880 Comment
  UC692537  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1933-6-14 2276 Contra Costa e of Knob-cone Point; Mount Diablo, Inner Black Hills Comment
  UC2028210  Claytonia parviflora subsp. parviflora Barbara Ertter, Tony Morosco 1998-4-12 15999 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  RSA117676  Claytonia perfoliata S. S. Tillett, I. Sternback 1956-6-23 523 Contra Costa Contra Costa County: Grapevine picnic point, Mt. diablo State Park Comment
  SEINET5336417  Claytonia perfoliata subsp. perfoliata C. M. Fryer 1948-4-11 6 Contra Costa In shady soptes, Mt. Diablo. Comment
  UC1795716  Claytonia rubra subsp. depressa Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14591 Contra Costa North Peak of Mt. Diablo; open rocky flats. Comment
  UC1051262  Clematis heracleifolia var. davidiana N. Floy Bracelin 1941-7-4 1459 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC545780  Clematis lasiantha Annetta M. Carter 1935-6-1 873 Contra Costa n.w. slope of main peak Mt. Diablo 975 Comment
  UC635101  Clematis lasiantha A. E. Borell 1928-4-8 90 Contra Costa Mt. Diablo Comment
  UC692071  Clematis lasiantha Mary L. Bowerman 1930-6-7 272 Contra Costa Meridian Peak summit Mt. Diablo Comment
  SEINET5547635  Clematis ligusticifolia H. S. Gentry 1931-1 57 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  JEPS112470  Clinopodium douglasii D. G. Kelch 2005-5-1 05 .184 Contra Costa Crockett - Edwards Canyon 150 Comment
  UC691582  Collinsia heterophylla Mary L. Bowerman 1930-6-5 245 Contra Costa West Road 5.8 mi from entrance, Mount Diablo Mount Diablo; , West Road 457 Comment
  UC691656  Collinsia heterophylla Mary L. Bowerman 1933-5-17 2103 Contra Costa branch of Curry Canyon due s of Olafsons' barn, just n of first fork of canyon, Mount Diablo Curry Canyon; Mount Diablo, branch of Curry Canyon 289 Comment
  UC691657  Collinsia heterophylla Mary L. Bowerman 1932-5-6 1411 Contra Costa Mount Diablo, floor of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon 182 Comment
  JEPS7324  Collinsia heterophylla Fred Shoemaker 1938-4-11 Contra Costa Marsh Creek Canyon Comment
  JEPS6335  Collinsia sparsiflora var. collina Mary L. Bowerman 1932-3-12 1112 Contra Costa Alamo Canyon. 365 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
  JEPS7314  Collinsia tinctoria Mary L. Bowerman 1935-6-1 3117 Contra Costa summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit) 1158 Comment
  UCD118040  Collomia diversifolia Ann F. Johnson 1978-5-13 s.n. Contra Costa From Deerflat to Meridian ridge, on Mt. Diablo. Comment
  UCD164881  Conium maculatum Henry House 1995-5-20 1995- 13 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  UC1123580  Convolvulus arvensis C. M. Belshaw 1936-5-11 2100 Contra Costa 2 1/2 mi ese Danville (Plot 19); Mt. Diablo Quadrangle Comment
  SEINET198892  Convolvulus sepium var. communis Ira L. Wiggins 1954-5-9 13123 Contra Costa Levee along Bethel Island Comment
  UC141630  Convolvulus simulans Katharine Brandegee 1907-6-16 Contra Costa fields bet. Antioch and Marsh Creek Comment
  UC2027981  Conyza bonariensis Barbara Ertter, Chris Thayer 1996-10-25 15390 Contra Costa Southwest flank of Mount Diablo, lower South Gate Road just inside park boundary. Comment
  UC691785  Conyza canadensis Mary L. Bowerman 1930-10-4 477 Contra Costa Maple Spring Mount Diablo, Maple Spring Comment
  UC2027882  Conyza canadensis Barbara Ertter, Chris Thayer 1996-10-25 15370 Contra Costa Northwest flank of Mount Diablo, east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park. Comment
  CAS-BOT-BC287145  Coreopsis stillmanii Brandegee No date on label s.n. Contra Costa Mt Diablo Comment
  CAS-BOT-BC209749  Cornus glabrata V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Comment
  JEPS50113  Cornus glabrata W. L. Jepson May 22 1891-May 23 1891 14150 Contra Costa Mt. Diablo Region, Pine Canyon Comment
  UC692511  Cornus glabrata Mary L. Bowerman 1931-5-28 904 Contra Costa Pine Canyon Mt. Diablo (gully at e. end of Castle Rock Farm); , Pine Canyon Comment
  UC407391  Cornus sericea subsp. sericea Ira L. Wiggins 1930-4-18 4593 Contra Costa levee e. end Jersey Isl. Comment
  LA40446  Cornus sericea subsp. sericea J. A. Ewan; 1936-7-5 9720 Contra Costa Reservoir road, Wildcat Creek Comment
  UCD59798  Cortaderia jubata Beecher Crampton 1959-9-3 5456 Contra Costa Along San Pablo Dam road, ca. 2 miles southeast of El Sobrante. Comment
  UC2028509  Cortaderia selloana Barbara Ertter with Tony Morosco 1998-9-18 16430 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, north quarry area [subsequently developed] Comment
  UC2028097  Cosmos bipinnatus Barbara Ertter 1996-9-19 15290 Contra Costa Cerrito Creek at base of Albany Hill, just west of San Pablo Avenue. Comment
  CDA21581  Cotoneaster pannosus D. G. Kelch, Michael Park 2008-9-1 8 .299 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. Comment
  UC2029109  Cotula australis Barbara Ertter 1990-5-16 8992 Contra Costa South El Cerrito, corner of San Pablo Avenue and Carlson Blvd. Comment
  CHSC23342  Cotula coronopifolia Willis Ball 1975-3-26 508 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds. e of restroom facilities. 30 Comment
  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
  UC1543007  Crassula aquatica Donald G. Nelson 1937-4-19 505 Contra Costa n.w. corner lot at Sacramento St. on Panhandle Blvd. El Cerrito (1 block w. of San Pablo Ave.) Comment
  UC1561257  Crassula connata Barbara Ertter with John Little 1989-4-2 8110 Contra Costa s. side Hillside Park in El Cerrito Comment
  UC2027788  Crassula connata Barbara Ertter 1991-5-5 9787 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, vernally moist flat at edge of Black Diamond Trail ca. 1/4 mi E of pond Comment
  UC692558  Crassula connata var. subsimplex Mary L. Bowerman 1932-2-28 1093 Contra Costa ridge e. of Rhine Canyon (grassy flat near saddle, Mt. Diablo); Mt. Diablo 579 Comment
  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
  UC692624  Crocanthemum scoparium var. vulgare Mary L. Bowerman 1931-12-17 1072 Contra Costa e of, s face Rock Canyon; Mount Diablo, Fossil Ridge, Dan Cook Ridge Comment
  RSA201184  Croton californicus Peter Rubtzoff 1951-10-7 827 Contra Costa Along lower San Joaquin River, east of Antioch. 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
  CAS-BOT-BC190080  Crypsis schoenoides Walter Knight 1978-8-27 3197 Contra Costa Loma Regional Park near Antioch. 30 Comment
  CAS-BOT-BC190082  Crypsis schoenoides R. E. Frenkel 1964-9-17 863 Contra Costa On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir. 45 Comment
  CAS-BOT-BC361415  Crypsis schoenoides Peter Rubtzoff 1968-9-18 5964 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  UC596346  Cryptantha decipiens R. F. Hoover 1938-5-4 3347 Contra Costa Peak east of Tassajero Creek Comment
  JEPS86564  Cryptantha flaccida Roy E. Buck 1988-4-23 902 Contra Costa 9 air km se Walnut Creek (ca 2.0 air km w of Moses Rock Spring, sw-facing slope on n side of North Gate Rd, 0.3 road mi se of park boundary); Mt. Diablo State Park 207 Comment
  SBBG28215  Cryptantha flaccida L. Constance, C. W. Sharsmith with H. S. Reed 1940-4-27 2573 Contra Costa Pine Cyn, base of Mt Diablo 304 Comment
  UC24677  Cryptantha flaccida F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC407075  Cryptantha flaccida L. R. Abrams 1921-5-25 8017 Contra Costa Mt. Diablo Comment
  UC691342  Cryptantha microstachys Mary L. Bowerman 1931-4-4 633 Contra Costa 2 mi (rd) from Mount Diablo w entrance (= North Gate); Mount Diablo Comment
  UC691343  Cryptantha microstachys Mary L. Bowerman 1933-6-3 2226 Contra Costa 2 mi (rd) from Mount Diablo w entrance (= North Gate); Mount Diablo Comment
  CDA22912  Cucurbita foetidissima D. G. Kelch 2008-9-1 8 .297 Contra Costa Carquinez Strait; North of Waterbird Park along RR tracks. E of Martinez. Comment
  CAS-BOT-BC224390  Cuscuta californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CDA21191  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 1 of 2. 0 Comment
Read comments
Apr 29 2013
  CDA39961  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454023 Contra Costa El Sobrante; 5741 Skyview Place (near Richmond city limits?) 0 Comment
  CDA7755  Cuscuta japonica Niang 2008-2-13 PDR# 1454473 Contra Costa Carquinez Strait; Rodeo, 2 California St. 0 Comment
  UC1818905  Cuscuta occidentalis Barbara Ertter, Mary Bowerman 1994-6-19 12850 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening in chaparral near radio tower, ca 3600'. Comment
  OBI14800  Cuscuta salina G. Thomas Robbins 1959-9-13 4161 Contra Costa On shores of San Pablo Bay, at the N edge of Pinole Comment
  UC1618294  Cuscuta salina var. major Barbara Ertter 1990-9-30 9658 Contra Costa SW corner of park, Point Pinole Regional Shoreline on San Pablo Bay, north Richmond; NW Contra Costa County Comment
  CDA6262  Cymbalaria muralis D. G. Kelch, A. G. Murdock 2005-5-23 5 .376 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  UC1055901  Cymbalaria muralis N. Floy Bracelin 1941-4-13 1154 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC299740  Cynara cardunculus D. E. Breedlove 1969-10-18 16709 Contra Costa Along the roadbank on Deer Hill Road near the junction with Happy Valley Road, Lafayette Comment
  CAS-BOT-BC299742  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville Comment
  CAS-BOT-BC299744  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville Comment
  UCD131027  Cynara cardunculus W. A. Harvey; June McCaskill 1962-3-15 s.n. Contra Costa on Standard Oil tank farm west of U.S. Highway 40 and north of Richmond. Comment
  CDA34471  Cynoglossum grande D. G. Kelch 2006-2-25 6 .083 Contra Costa Carquinez Strait; Crockett. Edwards Canyon. Comment
  HSC101961  Cynoglossum grande Nikolaus Gillen, Michelle Bihler 2014-3-20 13 Contra Costa Mount Diablo State Park. Eagle Peak Trail. 649 Comment
  JEPS100074  Cynoglossum grande S. O'Neil 2003-2-25 SEO 6 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111843  Cynoglossum grande D. G. Kelch 2005-2-28 05 .10 Contra Costa Vaca Canyon Alhambra Valley Road 165 Comment
  JEPS99547  Cynosurus echinatus Mary Bowerman 1975-6-7 Contra Costa Mount Diablo, Big Spring. Comment
  CAS-BOT-BC114612  Cyperus eragrostis John Thomas Howell; Gordon H. True 1972-6-29 48936 Contra Costa Along ditches on Byron Hot Springs Road SE of Byron. Comment
  CAS-BOT-BC114614  Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa Banks at upper end of San Leandro Lake near mouth of Redwood Creek. 129 Comment
  UC1819043  Cyperus eragrostis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14235 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  UCD35193  Cyperus eragrostis Beecher Crampton 1953-8-25 1612 Contra Costa Richmond. Comment
  UC62454  Cystopteris fragilis unknown 1891-3-4 Contra Costa Comment
  CDA23109  Cytisus scoparius D. G. Kelch, D. A. Weinstein 2008-4-25 8 .08 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
  SD243345  Cytisus striatus D. G. Kelch 2007-4-27 07 202 Contra Costa Martinez; on hill NE of Hwy 4 @ Alhambra Road. 79 Comment
  OBI70524  Danthonia californica D. G. Kelch 2002-5-24 2 .02 Contra Costa On hill S of San Pablo Rd ~.4 mi W of Carquinez Bridge. Crockett 91 Comment
  UCD60458  Danthonia californica G. L. Stebbins Jr. 1939-5-24 2714 Contra Costa Opposite Berkeley Country Club. Comment
  CDA1575  Danthonia californica var. californica D. G. Kelch 2002-5-24 2 .02 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  UC1795882  Danthonia californica var. californica Barbara Ertter, Brad Olson 1994-5-7 12754 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  JEPS45734  Datisca glomerata W. L. Jepson 1895-9-7 13951 Contra Costa Orinda Park Comment
  CAS-BOT-BC294013  Deinandra kelloggii Alice Eastwood 1927-5-19 14445 Contra Costa Byron Springs Comment
  CAS-BOT-BC294017  Deinandra kelloggii Peter Rubtzoff 1951-10-7 s.n. Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC294022  Deinandra kelloggii K. Brandegee 1907-5-5 s.n. Contra Costa Near Antioch Comment
  CAS-BOT-BC294024  Deinandra kelloggii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  JEPS38344  Deinandra kelloggii W. L. Jepson 1923-10-4 Contra Costa Antioch Comment
  CAS-BOT-BC291805  Deinandra lobbii H. M. Hall 1930-6-18 12791 Contra Costa South of Pittsburg Comment
  UC1818999  Delphinium Barbara Ertter, Tom Delendick 1996-5-2 14615 Contra Costa Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope. 853 Comment
  RSA0029539  Delphinium californicum subsp. californicum Thekla Mohr 1917-07 3240 Contra Costa Mount Diablo Comment
  CAS-BOT-BC10308  Delphinium hesperium Alice Eastwood 1915-5-30 4439 Contra Costa Mt. Diablo Comment
  RSA721744  Delphinium hesperium Barbara J. Ertter 1995-5-29 14242 Contra Costa S side Mt Diablo, edge of open meadow in flats near head of Curry Creek along road to Sheepherderss Springs from Sloam Road. 427 Comment
  JEPS120270  Delphinium hesperium subsp. hesperium Barbara Ertter with David Gowen 2012-6-9 21022 Contra Costa at junction of Seaview Trail and road into EBMUD land north of Vollmer Peak, southeastern Tilden Park in Berkeley Hills Comment
  SEINET11268200  Delphinium hesperium subsp. hesperium Barbara Ertter 1998-5-13 16137 Contra Costa In hills south of Pittsburg, head of SE branch of Loughler Loop Trail.; 0 305 Comment
  UC2028975  Delphinium hesperium subsp. hesperium Barbara Ertter with Kevin Hintsa 2000-5-16 17024 Contra Costa Rock City area on SSW side of Mount Diablo, East Fossil Ridge Trail. Comment
  CAS-BOT-BC10010  Delphinium hesperium subsp. pallescens E. Wright 1917-6-1 S. N. Contra Costa Mt. Diablo Comment
  LA207541  Delphinium hesperium subsp. pallescens H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1.2 mi. S of Marsh Creek Road on Beck Road to Livermore Comment
  UC596470  Delphinium nudicaule R. F. Hoover 1938-5-4 3340 Contra Costa Marsh Creek canyon Comment
  SEINET12099569  Delphinium nudicaule J. G. Lemmon s.n. Contra Costa American Valley and Mt. Diablo Comment
  SJSU3105  Delphinium patens J. A. Johnson 1956-4-7 3 Contra Costa W slope Mt Diablo Comment
  UC536012  Delphinium patens Laurence S. Jones 1934-4-8 58 Contra Costa w slope of mt approximately 3 mi surface distance from peak; Mt. Diablo 609 Comment
  RSA59848  Delphinium patens Joseph A. Ewan 1934-4-8 8754 Contra Costa S Fork Marsh Creek, Morgan Territory. 244 Comment
  CAS-BOT-BC116451  Delphinium patens subsp. patens H. L. Mason; Robert Ornduff 1957-4-11 10620 Contra Costa Curry Canyon 3.4 miles s. of Recreation Ground Comment
  UC692089  Delphinium patens subsp. patens Mary L. Bowerman 1935-4-22 2896 Contra Costa ridge w Pioneer Road (w of Old Stage Road); Mount Diablo 822 Comment
  UC692090  Delphinium patens subsp. patens Mary L. Bowerman 1933-5-17 2110 Contra Costa branch of Curry due s Olafsen's barn (w-facing bank 20 ft above stream); Mount Diablo Comment
  UC692138  Delphinium patens subsp. patens Mary L. Bowerman 1931-3-21 584 Contra Costa w-facing slope Mount Diablo, Sycamore Canyon Comment
  CAS-BOT-BC116460  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-BC116462  Delphinium patens subsp. patens E. M. Zeile 1910-4-2 s.n. Contra Costa Fish Ranch Comment
  UC2028069  Delphinium patens subsp. patens Barbara Ertter with Tony Morosco 1998-4-12 16004 Contra Costa Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail. Comment
  HSC47893  Delphinium recurvatum Carl Epling, G. Miles 1945-3-23 542 Contra Costa 5 miles west of Tracy-Byron road on road to Byron Hot Springs Comment
Read comments
Aug 17 2011
  JEPS5529  Delphinium recurvatum R. F. Hoover 1938-3-25 2900 Contra Costa Byron Hot Springs Comment
  JEPS62388  Delphinium variegatum W. L. Jepson 1922-5-23 9658 Contra Costa Mt. Diablo Comment
  UC9250  Delphinium variegatum J. Burtt Davy 1895-4-8 971 Contra Costa foothills Antioch Comment
  CAS-BOT-BC16941  Delphinium variegatum subsp. variegatum Alice Eastwood 1923-5-4 11701 Contra Costa Mt. Diablo Comment
  UC634890  Dendromecon rigida H. L. Mason 1925-1-11 1177 Contra Costa Moraga Ridge Comment
  UC407375  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. s. Byron Comment
  UC650562  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. s. Byron Comment
  UCD62510  Deschampsia danthonioides P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CHSC118029  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek. 396 Comment
  UC2028497  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek Comment
  JEPS9568  Dicentra chrysantha W. L. Jepson 1920-8-12 9076 Contra Costa s slope towards summit Mt. Diablo Comment
  UC1126502  Dicentra chrysantha H. S. Yates 1934-9-2 4071 Contra Costa 1 mi sw Mt. Diablo; Mt. Diablo Quad. 762 Comment
  UC692178  Dicentra chrysantha Mary L. Bowerman 1930-6-10 318 Contra Costa across from and slightly below Muir Area (Meridian Peak); Mount Diablo, Meridian Peak Comment
  JEPS64178  Dichelostemma capitatum Adele Grant Mar 1914 Contra Costa Antioch Comment
  JEPS75528  Dichelostemma capitatum P. F. Yorks 1976-3-7 116 Contra Costa ca 2 km s Bear Creek Road (on Hampton Road, in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  UC3346  Dichelostemma capitatum W. H. Brewer May 1862 1069 Contra Costa Mount Diablo Comment
  CAS-BOT-BC500086  Dichelostemma capitatum E. M. Zeile 1922-6-3 s.n. Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC500088  Dichelostemma capitatum Miss E. Cannon 1891-5-1 s.n. Contra Costa Orinda Park Comment
  CAS-BOT-BC500091  Dichelostemma capitatum John Thomas Howell 1944-7-17 19831 Contra Costa Canyon of Snow Basin Creek Comment
  SEINET12053833  Dichelostemma capitatum L. S. Rose 1932-1 3284 Contra Costa Byron Comment
  HSC101953  Dichelostemma capitatum subsp. capitatum Nikolaus Gillen, Michelle Bihler 2014-3-20 4 Contra Costa Mount Diablo State Park. Back Creek Trail. 211 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
  UC692031  Dichelostemma congestum Mary L. Bowerman 1931-4-11 711 Contra Costa Pine Canyon, near mouth Mount Diablo Comment
  UC1795853  Dichondra donelliana Barbara Ertter, Gary Schoolcraft 1996-4-7 14574 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower. Comment
  CAS-BOT-BC150327  Diplacus aurantiacus L. R. Abrams 1916-6-30 5704 Contra Costa Mt. Diablo Comment
  UCD137497  Dipsacus fullonum P. B. Kennedy 1917-2-8 s.n. Contra Costa Craigmont. Comment
  CAS-BOT-BC121845  Dirca occidentalis P. H. Raven 1956-4-8 8986 Contra Costa About 0.5 miles NE of Grizzly Peak 396 Comment
  CHSC22236  Dirca occidentalis Robert A. Schlising 1962-2-21 2079 Contra Costa Berkeley-Oakland hills of westernmost part of county. Comment
  RSA29241  Dirca occidentalis Joseph A. Ewan 1934-3-10 8643 Contra Costa 2 miles below Orinda Road bridge, Wildcat Canyon Comment
  SEINET6957400  Dirca occidentalis Lorin I. Nevling 1996-2-16 345 Contra Costa Redwood Regional Park. Moon Gate Trail, right branch about 200 yards from gate. Gate is across from 9383 Skyline Boulevard. "Western Leatherwood." Comment
  UCSB27473  Dirca occidentalis Havlik, Neil 1969-7-10 Contra Costa Along the West Ridge Trail about one-half mile from Skyline Gate, Redwood Regional Park, Oakland Hills 396 Comment
  UCD64394  Distichlis spicata var. stolonifera M. Wiesendanger 1926-6-1 1534 Contra Costa Richmond. Comment
  RSA739726  Dittrichia graveolens John Dittes 2006-10-26 1412 Contra Costa San Joaquin Valley (foothills near NW edge) 2 air mile S of Marsh Creek Reservoir Gauging Station, 1.6 air mile SW of intersection of Camino Diablo and Vasco Road, Contra Costa Water District's Los Vaqueros Watershed Mitigation. 67 Comment
  SD175796  Dittrichia graveolens D. G. Kelch 2006-9-25 06 476 Contra Costa Marsh 1.0 km west of Pacheco Slough. 2 Comment
  JEPS68971  Dodecatheon clevelandii subsp. patulum Edward Lee 1935-3-10 1305 Contra Costa s watershed of Kirker Creek Nortonville (s watershed of Kirker Creek) (Nortonville) Comment
  UC2036955  Dodecatheon clevelandii subsp. patulum Mary L. Bowerman 1946-3-10 4085 Contra Costa Common in steep open grassy hillside toward west end of Shell Ridge. Also some plants on northerly face of ridge further east. 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
  JEPS9520  Dodecatheon hendersonii W. L. Jepson 1923-3-11 9848 Contra Costa Mt. Diablo 396 Comment
  POM287080  Dodecatheon hendersonii Lyman Benson 1935-3-16 6279 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC1111024  Dodecatheon hendersonii Herbert L. Mason 1926-3-7 2700 Contra Costa Mt. Diablo Comment
  UC1046584  Dodecatheon hendersonii Alex D. Hawkes and R. Bacigalupi 1951-4-22 4777 Contra Costa State Rd. #4 near Mt. Diablo (along Marsh Creek); , near Mt. Diablo Comment
  JEPS65183  Downingia insignis L. R. Heckard 1971-4-15 2484 Contra Costa s of Byron (at intersection of Holey Road) Comment
  OBI20959  Downingia insignis Robert F. Hoover 1967-4-28 10503 Contra Costa Byron Hot Springs Comment
  UC1051468  Downingia insignis Herbert L. Mason 1952-4-14 14267 Contra Costa 3.5 mi s Byron Comment
  JEPS14440  Downingia pulchella W. L. Jepson May 23 1891-May 24 1891 21212 Contra Costa Mt. Diablo Comment
  JEPS14473  Downingia pulchella G. Thomas Robbins with Peter H. Raven 1956-4-28 3666 Contra Costa just e. of Martinez junction & 0.1 mi w. of Buchanan Field Rd. State Hwy. 4 Comment
  UC1188727  Downingia pulchella John H. Weiler 1959-4-11 5947 Contra Costa se of Martinez (near the airport along State Highway 24) Comment
  UCR196232  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Concord Valley, between Hwy 4 and Buchanan Field (airport) 15 Comment
  JEPS112089  Drymocallis glandulosa var. glandulosa D. G. Kelch 2004-5-2 04 .170 Contra Costa Crockett - Edwards Canyon 125 Comment
  CDA42719  Dryopteris arguta A. G. Murdock 2004-2-12 205 Contra Costa Franklin Canyon - McHarry Ranch Road. Comment
  CAS-BOT-BC70863  Dryopteris arguta D. E. Breedlove 1970-4-18 17443 Contra Costa north edge of Lafayette above Laurel Drive 243 Comment
  UC1015449  Dudleya caespitosa Reid Moran Contra Costa from the garden of Mrs. E. C. Dempster Orinda Comment
  SD51677  Dudleya farinosa G. Thomas Robbins 1959-5-16 4007 Contra Costa Rocky hillside just south of Pt. San Pablo, Potrero Hills, Richmond. Comment
  CAS-BOT-BC197108  Echinochloa crus-galli John Thomas Howell; Gordon H. True 1972-6-29 48942 Contra Costa Along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  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
  CAS-BOT-BC197106  Echinochloa crus-galli R. E. Frenkel 1963-8-23 274 Contra Costa On the lot in front of Market Plaza Center on Highway 21, Alamo 79 Comment
  UC1606287  Egeria densa Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10864 Contra Costa just w Antioch marina (accessed from marina); Dow Wetlands Preserve Comment
  SEINET3892203  Eichhornia crassipes Barbara Ertter 1990-9-16 9642 Contra Costa Junction of Cypress Road & Jersey Island Road E of Oakley, covering ditch between road & field.; 0 Comment
  UC702897  Elaeagnus angustifolia Dr. E. C. Van Dyke 1941-10-4 Contra Costa River e of Antioch Comment
  RSA0011839  Elaeagnus angustifolia E. C. Van Dyke 1941-10-4 s.n. Contra Costa East of Antioch Comment
  UC1745668  Eleocharis macrostachya Annetta M. Carter, Florence Little, Edward Lee 1934-7-4 676 Contra Costa Marsh Creek Rd. 3 miles beyond Contra Costa Co. Sanatorium. Comment
  UC1818864  Eleocharis macrostachya Barbara Ertter, Kristin Ertter 1995-7-11 14471 Contra Costa Sulfur Spring on Pine Cr, Diblo Foothill Regional Park, marshy wet ground. 121 Comment
  UC2028490  Eleocharis macrostachya Barbara Ertter 1998-5-3 16062 Contra Costa Area of Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo Comment
  CAS-BOT-BC112218  Eleocharis rostellata Miss Mary Leolin Bowerman 1967-7-19 37175 Contra Costa NW end of Shell Ridge, just S of the highway (Heather Farm), by sulphurous stream. Comment
  POM357109  Elymus X gouldii Glenn A. Gorelick 1967-5-13 s.n. Contra Costa Point Richmond Comment
  JEPS111076  Elymus X hansenii Lee Echols 2003-5-4 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
  RSA722472  Elymus glaucus Barbara Ertter 2002-6-16 17953 Contra Costa Richmond Field Station, southwest end of overgrown meadow near boundary with park, edge of thick growth facing fence. Comment
  UC691202  Elymus glaucus Mary L. Bowerman 1933-5-21 2154 Contra Costa n-facing slope below Grape Spring (s from Curry Canyon); Mount Diablo Comment
  UC691203  Elymus glaucus Mary L. Bowerman 1935-5-22 3039 Contra Costa Eagle Point ridge Mount Diablo (canyon at n end which heads into saddle w of Twin Peaks) 304 Comment
  UCD62270  Elymus glaucus J. B. Davy 1898-6-6 4242 Contra Costa Berkeley Hills. Comment
  UC2028479  Elymus glaucus Barbara Ertter with Richard K. Brummitt 1998-5-6 16101 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  UC692418  Elymus multisetus Mary L. Bowerman 1935-5-25 3067 Contra Costa Mount Diablo; s of summit 1066 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
  JEPS99518  Elymus trachycaulus Mary Bowerman 1977-7-25 Contra Costa Mount Diablo, North Peak. Comment
  UC1819005  Elymus trachycaulus subsp. trachycaulus Barbara Ertter, Mary L. Bowerman 1994-6-19 12851 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit parking lot, opening in chaparral near radio tower, ca 3600'. Comment
  JEPS1599  Emmenanthe penduliflora Mary L. Bowerman 1933-4-26 1916 Contra Costa North Peak ridge east-southeast of the peak, south face, Mount Diablo 609 Comment
  JEPS75484  Epilobium brachycarpum P. F. Yorks 1974-10-13 372 Contra Costa on Hampton Rd ca 1.9 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  UCD150893  Epilobium brachycarpum James A. Neilson Jr.; Samuel A Bamberg 1975-10-22 3497 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  UC692445  Epilobium campestre Mary L. Bowerman 1931-6-16 929 Contra Costa scattered in central area Chase Pond; Mt. Diablo 563 Comment
  UC1818970  Epilobium campestre Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14531 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay. Comment
  CAS-BOT-BC166162  Epilobium canum subsp. canum L. R. Abrams 1910-10-8 4342 Contra Costa Mt. Diablo 1158 Comment
  UC1618350  Epilobium canum subsp. canum Barbara Ertter, Brad Olson 1993-10-30 12286 Contra Costa w. of junction San Pablo Ave. & Vista del Rio w. of Crockett (base of bluff above R.R. tracks); Carquinez Strait Regional Shoreline Comment
  UC204068  Epilobium canum subsp. canum A. D. E. Elmer July, 1903 4620 Contra Costa Mount Diablo Comment
  UC634754  Epilobium canum subsp. canum H. L. Mason 1924-11-23 1169 Contra Costa Las Trampas Ridge Comment
  UC914255  Epilobium canum subsp. canum Verne Grant and Alva Grant 1946-9-29 7877 Contra Costa near old tunnel road; Berkeley Hills Comment
  CAS-BOT-BC166827  Epilobium canum subsp. latifolium A. D. E. Elmer 1903-7-1 4620 Contra Costa Mount Diablo Comment
  UC692457  Epilobium ciliatum subsp. ciliatum Mary L. Bowerman 1930-10-4 476 Contra Costa Maple Spring Mount Diablo Comment
  JEPS22431  Epilobium cleistogamum Mary K. Curran May 1886 Contra Costa near Antioch Comment
  UC85551  Epilobium cleistogamum Katharine Brandegee 1907-6-16 Contra Costa clay depressions between Antioch and Marsh Creek (type locality) Comment
  UC2028026  Epilobium densiflorum Barbara Ertter 1997-9-14 15807 Contra Costa West side of Mount Diablo, Pine Creek upstream from Dusty Trail. Comment
  UC692440  Epilobium minutum Mary L. Bowerman 1935-5-18 3022 Contra Costa nw-facing slope across road and a little e of parking area; Mount Diablo 1066 Comment
  JEPS99501  Epilobium minutum Mary L. Bowerman 1978-5-14 Contra Costa Mount Diablo. The old wagon rd. mines trail on E side of Eagle Peak. Comment
  POM300615  Epipactis gigantea Mary L. Bowerman 1931-5-28 906 Contra Costa Mount Diablo: Pine Canyon, gully to south at east end of Castle Rock Farm: on dry waterfall between 2 pools 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
  CAS-BOT-BC57763  Equisetum telmateia Mary L. Bowerman 1939-3-31 3737 Contra Costa Mount Diablo, Johny Walker Spring. 731 Comment
  CAS-BOT-BC204547  Eragrostis curvula John Thomas Howell 1954-9-5 30026 Contra Costa Marsh Creek Springs Park Comment
  UC2028442  Eragrostis mexicana subsp. virescens Barbara Ertter with Chris Thayer 1996-10-25 15365 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park Comment
  UC2028469  Eragrostis mexicana subsp. virescens Barbara Ertter 1997-8-24 15777 Contra Costa Mount Diablo, Summit Road just above Junction Station Comment
  UCD63814  Eragrostis mexicana subsp. virescens Beecher Crampton 1965-9-29 7531 Contra Costa 1 mile south of Oakley, Cypress Road and O' Hara Ave. Comment
  JEPS111946  Eremocarpus setiger A. G. Murdock 2004-5-28 306 -A Contra Costa Luzon 60 Comment
  JEPS117962  Ericameria linearifolia Holly Forbes and Barbara Keller 2009-5-29 Contra Costa Mount Diablo State Park, along deer Flat Road, about 0.1 mi beyond Juniper Camp. Comment
  POM359376  Ericameria linearifolia H. de Forest 1930-3-28 s.n. Contra Costa Mt. Diablo Comment
  UC36554  Ericameria linearifolia H. N. Bolander 1866-4-1 6141 Contra Costa Mount Diablo Comment
  UC36556  Ericameria linearifolia Harley P. Chandler 1901-4-5 971 Contra Costa Mt. Diablo Comment
  UCD131420  Ericameria linearifolia David Scofield Wilson 1983-6-1 s.n. Contra Costa Mount Diablo. Comment
  UC697209  Erigeron foliosus var. franciscensis Mary L. Bowerman 1938-6-24 3592 Contra Costa s of firebreak Mountain House Canyon; Mount Diablo 792 Comment
  UC1818984  Erigeron foliosus var. franciscensis Barbara Ertter 1994-6-26 12874 Contra Costa South of Point Molate Beach Park in west Richmond north of San Rafael Bridge, perennial grassland on bluff above beach between park and Point Castro. Comment
  UC2070521  Erigeron foliosus var. franciscensis Barbara Ertter with Delia Taylor 2003-6-22 18228 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, N-facing slope along Arata Overlook Trail NE of park headquarters. Comment
  JEPS108352  Erigeron philadelphicus var. philadelphicus David Gowen 2005-3-31 220 A Contra Costa Valley east of Sibley Regional Preserve boundary. Growing along stream. Comment
  CAS-BOT-BC224219  Eriodictyon californicum L. R. Abrams 1921-5-25 8061 Contra Costa On road to summit, Mt Diablo 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
  CDA19124  Eriogonum fasciculatum R. Fonseca 2001-7-2 PDR P 088326 Contra Costa San Francisco Bay Area; Vicinity of El Camino Pablo, Moraga. 0 Comment
  CDA22594  Eriogonum fasciculatum var. foliolosum A. G. Murdock, D. G. Kelch 2004-3-19 233 Contra Costa Carquinez Strait; Hercules - Carbon. Comment
  UC1050992  Eriogonum giganteum N. Floy Bracelin 1943-12-12 2616 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CAS-BOT-BC250381  Eriogonum gracile Mary L. Bowerman 1932-8-27 1524 Contra Costa Mount Diablo. South of Turtle Rock Comment
  UC2012971  Eriogonum gracile Barbara Ertter with Tony Morosco 1996-7-27 15040 Contra Costa Mount Diablo State Park, Cardinet Oaks Road at crossing of Donner Creek. Comment
  UC692049  Eriogonum gracile Mary L. Bowerman 1930-9-27 468 Contra Costa West base spring Mount Diablo 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
  UC692016  Eriogonum gracile var. gracile Mary L. Bowerman 1932-9-3 1540 Contra Costa summit of Mount Diablo Mount Diablo Comment
  UC692151  Eriogonum inerme Mary L. Bowerman 1931-6-4 920 Contra Costa summit of Meridian Peak Mt. Diablo, Meridian Peak Comment
Read comments
May 14 2019
  CAS-BOT-BC259139  Eriogonum latifolium John Thomas Howell 1930-7-4 5336 Contra Costa In the north Berkeley Hills Comment
  SEINET8349867  Eriogonum nudum Barbara Ertter 1997-8-18 15766 Contra Costa Antioche Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard. Comment
  UC692165  Eriogonum nudum var. auriculatum Mary L. Bowerman 1933-9-3 2425 Contra Costa North Peak ridge Mount Diablo Comment
  UC692199  Eriogonum nudum var. auriculatum Mary L. Bowerman 1930-6-22 368 Contra Costa Mitchell Canyon trail Mount Diablo 457 Comment
  CAS-BOT-BC268910  Eriogonum nudum var. auriculatum W. H. Brewer 1861-9-25 841 Contra Costa Near Monte [Mount] Diablo, Mission San Jose Comment
  CAS-BOT-BC268912  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1601 Contra Costa Mount Diablo. Lime Ridge 274 Comment
  CAS-BOT-BC268914  Eriogonum nudum var. auriculatum John Thomas Howell 1929-9-21 4393 Contra Costa On Marsh Creek Road 8 miles se. of Clayton Comment
  RSA0029780  Eriogonum nudum var. auriculatum Barbara J. Ertter, Delia Taylor 2003-6-22 18229 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, River View Loop Trail along Somersville Road north of park headquarters. 152 Comment
  UC2028205  Eriogonum nudum var. auriculatum Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15662 Contra Costa Point Richmond, crest of road. Comment
  RSA0086416  Eriogonum nudum var. psychicola Jerry A. Powell 1962-8-19 308 Contra Costa About 2 miles east of Antioch. 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
  SEINET3836874 Image available Eriogonum roseum W. L. Jepson 1895-9-14 14779 Contra Costa Walnut Creek Comment
  UC762690  Eriogonum roseum R. F. Hoover 1940-11-30 4699 Contra Costa 2 mi s Antioch Comment
  CAS-BOT-BC267441  Eriogonum truncatum John Thomas Howell 1934-4-8 11816 Contra Costa 10 miles from Clayton on Marsh Creek Road Comment
  POM165074  Eriogonum umbellatum var. bahiiforme A. D. E. Elmer 1903-07 s.n. Contra Costa Mount Diablo Comment
  UC691562  Eriogonum umbellatum var. bahiiforme Mary L. Bowerman 1930-6-14 328 Contra Costa summit Mount Diablo Mount Diablo Comment
  CAS-BOT-BC262346  Eriogonum vimineum Mary L. Bowerman 1930-6-18 350 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC262348  Eriogonum vimineum Mary L. Bowerman 1932-8-27 1524 Contra Costa Mount Diablo. South of Turtle Rock Comment
  UC691660  Eriophyllum jepsonii Mary L. Bowerman 1935-5-30 3087 Contra Costa Eagle Point Ridge 304 Comment
  UC691685  Eriophyllum jepsonii Mary L. Bowerman 1931-6-2 918 Contra Costa Gregory Ranch Road Comment
  UC697145  Eriophyllum jepsonii Mary L. Bowerman 1936-5-6 3409 Contra Costa Uncle Sam Canyon 304 Comment
  CAS-BOT-BC300968  Eriophyllum lanatum var. achilleoides John Thomas Howell 1923-11-12 244 Contra Costa Mt. Diablo Comment
  UC507132  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-25 E 100 Contra Costa north slope near summit Mount Diablo 1097 Comment
  UC507133  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-25 E 101 Contra Costa just below summit on south slope Mount Diablo 1158 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-BC300966  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 94 Contra Costa Near the base of Mount Diablo Comment
  POM358034  Eriophyllum lanatum var. grandiflorum E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon. Comment
  JEPS19402  Eriophyllum staechadifolium G. Thomas Robbins 1937-4-17 124 Contra Costa cliffs above San Francisco Bay near Point Richmond Comment
  SEINET5604448 Image available Erodium cicutarium Rachel Van Noord 1998-1 4 Contra Costa Dinosaur Hill Park, Pleasant Hill, CA N 37* 56.149' W 122* 05.391 Comment
  JEPS105685  Erodium macrophyllum David Gowen 2003-2-23 s. n. Contra Costa Black Diamond Mines Regional Park, w-facing hillside ca. 1 km due E of Sidney Flat Comment
  UC571138  Erodium macrophyllum H. L. Mason 1929-4-25 5209 Contra Costa Briones Road to Antioch Comment
  JEPS15973 Image available Eryngium aristulatum var. aristulatum W. L. Jepson 1895-9-7 14275 Contra Costa Orinda Park; ; Orinda Park, Contra Costa Co. 121 Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC692317  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1936-6-20 3417 Contra Costa w. Mt. Zion (near rd. to Matthew's house (s.w. 1/4 section 15), just below house); Mt. Diablo Comment
  UC765825  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-5-14 2125 Contra Costa Byron Hot Springs Comment
  CDA29692  Eryngium armatum D. G. Kelch, D. A. Weinstein 2009-7-15 9 .494 Contra Costa Carquinez Strait; Point Pinole. Comment
  JEPS121011  Eryngium armatum D. G. Kelch 2007-4-1 07 .108 Contra Costa Pt. Pinole Comment
  CDA38330  Eryngium armatum Chas. Lasser 1960-4-21 s.n. Contra Costa Pittsburg. 0 Comment
  UC692327  Eryngium castrense Mary L. Bowerman 1935-6-28 3171 Contra Costa Mt. Diablo, Chase Pond Comment
  CDA38315  Eryngium jepsonii D. G. Kelch 2004-7-9 4 .297 Contra Costa Carquinez Strait region; Crockett - Carquinez Scenic Drive; just west of Pt. Costa. Comment
  JEPS111619  Eryngium jepsonii D. G. Kelch 2004-7-9 04 .297 Contra Costa Crockett - Carquinez Scenic Drive Carq. Scenic Dr. Just west of Pt. Costa 60 Comment
  UC1122965  Eryngium vaseyi B. Schreiber 1937-6-12 2400 Contra Costa Byron Byron Quad., Byron 15 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
  SEINET13944077 Image available Eryngium vaseyi Lincoln Constance, Reino Alava & Rimo Bacigalupi 1958-1 3661 Contra Costa open country 3 miles southeast of Byron, San Joaquin Valley. Elev ca 35 ft 11 Comment
  CAS-BOT-BC40775  Erysimum capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC1034902  Erysimum capitatum G. B. and R. P. Rossbach 1938-6-5 859 Contra Costa steep southerly slope near summit; Mt. Diablo Comment
  UC691082  Erysimum capitatum Mary L. Bowerman 1931-3-7 551 Contra Costa Indian Ceremonial Springs Mount Diablo Comment
  CAS-BOT-BC40763  Erysimum capitatum John Thomas Howell 1926-3-7 1672 Contra Costa Mount Diablo. Near the summit on south side. Comment
  CDA33846  Erysimum capitatum D. G. Kelch 2010-5-15 10 .116 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  NY32657  Erysimum capitatum subsp. angustatum A. A. Heller 1908-4-16 8898 Contra Costa Sand hills east of Antioch. 22.9 Comment
  UC10532  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa 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-BC402984  Eschscholzia californica A. A. Heller 1908-4-17 8904 Contra Costa Hills three miles south of Antioch 18 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
  UC692180  Eschscholzia californica Mary L. Bowerman 1932-3-27 1144 Contra Costa near Mitchell Rock (on e side); Mount Diablo Comment
  CAS-BOT-BC402982  Eschscholzia californica R. Bacigalupi 1922-9-24 s.n. Contra Costa Road between Concord and Clayton Comment
  CAS-BOT-BC91582  Eschscholzia rhombipetala K. Curran 1887-6-1 s.n. Contra Costa Antioch. Comment
  JEPS96222  Eucalyptus globulus Barbara Ertter, Brad Olson 1993-10-30 12293 Contra Costa w. of R.R. tracks n. of mouth of Pinole Creek (along R.R. track at edge of salicornia marsh, San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  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
  UC1789218  Eucalyptus tereticornis Barbara Ertter 1993-11-13 12318 Contra Costa Sibley Volcanic Regional Preserve in Oakland Hills S of Orinda, pine & eucalypt forest on south side of Round Top, ca 1500 ft.; locally established tree with peeling bark. Comment
  UC880659  Eucrypta chrysanthemifolia var. chrysanthemifolia Lewis S. Rose 1941-5-15 41232 Contra Costa w slope Mt. Diablo 396 Comment
  UC692714  Euphorbia crenulata Mary L. Bowerman 1930-8-24 417 Contra Costa Mitchell Canyon; Mount Diablo Comment
  CDA17966  Euphorbia oblongata R. M. Case 1999-10-5 PDR 004978 Contra Costa Central California; Wildcat Canyon Rd. at Tilden Park Golf Course above Berkeley. 0 Comment
  JEPS100098  Euphorbia oblongata A. Langston 2003-6-19 AL 93 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA18802  Euphorbia oblongata B. Case 2000-4-2 PDR 031733 Contra Costa San Pablo. 0 Comment
  CDA4842  Euphorbia oblongata Margaret Bellue, A. Seeley Jun 1955 Contra Costa Highway 4, near Concord. 0 Comment
  CDA4843  Euphorbia oblongata T. C. Fuller 1961-7-6 6585 Contra Costa Carquinez Strait; Alhambra Valley, Highway 4, 0.5 mile west of Glen Frazier Station, ca. 4 miles west of Martinez. 0 Comment
  JEPS111957  Euphorbia peplus D. G. Kelch 2005-3-11 05 .42 Contra Costa Martinez: Mt. Wanda. North side 90 Comment
  UC2029075  Euphorbia peplus Barbara Ertter 2000-7-16 17406 Contra Costa Pine Creek on WNW base of Mount Diablo, willow patch above Pine Pond. Comment
  UC1818921  Euphorbia spathulata Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14222 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  UC199008  Euphorbia spathulata Chesnut and Drew 1889-4-18 Contra Costa Brentwood Comment
  UC1999853  Eurybia radulina J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9340 Contra Costa Charles Tilden Reg. Park; Vollmer Peak. Comment
  CDA33068  Euthamia occidentalis D. G. Kelch 2010-10-5 10 .42 Contra Costa The Delta; Just east of Antioch bridge. Comment
  CDA4937  Euthamia occidentalis Niang, Jeffery 2007-8-1 PDR# 1455280 Contra Costa Concord; Canal at Walnut Ave, near Clayton Rd. Comment
  UC692290  Festuca californica Mary L. Bowerman 1935-5-3 2966 Contra Costa Sloan Road Mount Diablo 487 Comment
  CAS-BOT-BC278317  Festuca californica subsp. californica Mary L. Bowerman 1931-5-2 788 Contra Costa Mount Diablo. North end of Eagle Point ridge Comment
  CDA21547  Festuca idahoensis D. G. Kelch 2000-4-9 0 .14 Contra Costa Altamont Hills; 1.5 miles E of Midway on old roadcut between RR tracks and Via Nicolo Road. Comment
  JEPS107107  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
  CAS-BOT-BC52534  Frangula californica subsp. californica Mary L. Bowerman 1930-8-31 451 a Contra Costa Inner Black Hills, Sloan Road east of the Sloan place Comment
  JEPS68930  Frankenia salina Edward Lee 1934-9-30 1226 Contra Costa Moraga, just se of station Moraga Comment
  CAS-BOT-BC223390  Fraxinus dipetala Mary L. Bowerman 1930-6-22 363 Contra Costa Mount Diablo. Mitchell Canyon Comment
  CAS-BOT-BC223392  Fraxinus dipetala H. E. McMinn 1922-10-1 407 Contra Costa Mitchell Canon [Canyon], Mt. Diablo Comment
  JEPS61961  Fritillaria affinis W. L. Jepson 1921-5-22 9218 Contra Costa Mount Diablo, half way up Mount Diablo Comment
  CDA28928  Fritillaria agrestis V. Guise 2009-3-2 PDR# 1503558 Contra Costa Livermore, Morgan Territory Road, near Doubletree Lane. 0 Comment
Read comments
Oct 1 2011
  SD241825  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building) Comment
  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
  UC1177368  Galium andrewsii subsp. gatense Peter H. Raven 1950-7-5 2478 Contra Costa near summit Mt. Diablo 1097 Comment
  JEPS75515  Galium aparine P. F. Yorks 1976-4-11 505 a Contra Costa on Hampton Rd ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  UC1948947  Galium aparine William J. Ferlatte, L. Maynard Moe 1970-4-27 1247 Contra Costa San Francisco Bay: Red Rock Island Comment
  UCD121622  Galium aparine Robert C. Bechtel 1952-4-12 58 Contra Costa West side Mt. Diablo. 914 Comment
  UC2028299  Galium californicum subsp. californicum Barbara Ertter with Susan D'Alcamo 1998-6-12 16202 Contra Costa Along Curry Canyon Road on south side of Mount Diablo, halfway between Knobcone Point Road and Sheepherder Springs Trail. Comment
  SBBG27401  Galium murale J. T. Howell 1942-4-26 16953 Contra Costa Redwood Cyn, Oakland Hills Comment
  RSA0029048  Galium murale Barbara Ertter 1999-6-12 16703 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. 457 Comment
  UC2012961  Galium murale Barbara Ertter with Travis Columbus 1990-6-10 9114 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill: near crossing on Spengler Trail NE of Briones Peak. Comment
  UC28223  Galium porrigens F. P. McLean March 1875 Contra Costa Mt. Diablo Comment
  JEPS112104  Galium spurium D. G. Kelch 2003-3-21 03 .76 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS111704  Gamochaeta pensylvanica D. G. Kelch 2004-5-2 04 .172-B Contra Costa Crockett - Edwards Canyon Edwards Canyon 112 Comment
  UC697199  Gamochaeta ustulata Mary L. Bowerman 1942-6-1 3846 Contra Costa Lower Rock City Camp Mount Diablo Comment
  UC634816  Garrya elliptica H. L. Mason 1925-9-12 2223 Contra Costa head of San Leandro Creek Canyon; Oakland Hills Comment
  UC692509  Garrya elliptica Mary L. Bowerman 1931-5-31 908 Contra Costa Rock City Ridge (= Fossil Ridge) Mount Diablo (just back of crest of the s knoll of 1778 point) Comment
  CAS-BOT-BC200622  Garrya elliptica Alice Eastwood 1907-7-1 s.n. Contra Costa Berkeley Hills Comment
  CAS-BOT-BC200624  Garrya elliptica H. G. Bloomer 1863-2-11 1564 Contra Costa Hills near Oakland Comment
  UCD35543  Garrya elliptica Beecher Crampton 1957-11-20 4651 Contra Costa Berkeley Hills. Contra Costa- Alameda County line. Comment
  CAS-BOT-BC169941  Garrya fremontii Lewis S. Rose 1934-2-28 34041 Contra Costa Summit Mt. Diablo Comment
  CDA28816  Gastridium phleoides D. G. Kelch, Abigail Moore, Jessica Kolman 2009-5-3 9 .316 Contra Costa Carquinez Strait; Crockett; on hill south of 5th St. with transmission tower on sandstone outcrop. Comment
  CAS-BOT-BC282607  Gastridium phleoides Virginia E. Long 1933-6-14 224 a Contra Costa Curry Cave Trail, Mt. Diablo 457 Comment
  JEPS111082  Gastridium ventricosum Lee Echols 2003-6-15 s.n. Contra Costa S. of Lark Drive in E portion of grassland W of EPA building within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  UC17121  Geranium carolinianum State Survey 1862-4-26 998 Contra Costa near Martinez Comment
  RSA0028181  Geranium carolinianum Mary L. Bowerman 1935-5-25 3076 Contra Costa Rhine Canyon. 915 Comment
  CDA23560  Geranium core-core D. G. Kelch, D. A. Weinstein 2008-1-4 8 .001 Contra Costa Carquinez Strait; Pt Pinole. Along asphalt access road. Comment
  JEPS111978  Geranium dissectum D. G. Kelch 2003-3-28 03 .89 Contra Costa Rodeo - Lone Tree Point 2 Comment
  UC2029180  Geranium purpureum Barbara Ertter with California Botanical Society field trip 2013-4-12 21312 Contra Costa Mount Diablo State Park southeast of Walnut Creek, along east fork Sycamore Creek, roadside of Sycamore Creek road. Comment
  UC1719978  Geranium purpureum Barbara Ertter 2000-5-14 17012 Contra Costa Mount Diablo Regional Park, Falls Trail at Donner Creek crossing 487 Comment
  HSC98492  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Blvd. and Golf Course Dr. Comment
  SD241830  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 & Golf Course Drive. Comment
  SBBG28032  Gilia achilleifolia subsp. achilleifolia V. Grant, A. Grant 1948-5-15 8505 Contra Costa Sacramento Northern Railway embankment, Moraga Cyn, Oakland hills Comment
  UC691628  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1935-4-19 2869 a Contra Costa North Road ca 6.5 mi from entrance (Northgate); Mount Diablo 609 Comment
  UCD117632  Gilia achilleifolia subsp. multicaulis P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and Summit. Comment
  POM202474  Gilia capitata subsp. staminea L. S. Rose 1933-4-17 33090 Contra Costa Antioch. Comment
  UC903176  Gilia capitata subsp. staminea Ethel Crum 1936-4-5 1745 Contra Costa two mi w Byron; South Coast Ranges, w of Byron 45 Comment
  SD234478  Gilia clivorum Peter L. Morrell, N. Takebayashi. 1995-5-21 472 Contra Costa Central Coast: S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak (Clayton 7.5' Q) 399 Comment
  UC575672  Gilia clivorum Lewis S. Rose 1935-5-16 35175 Contra Costa Mt. Diablo Comment
  UC691680  Gilia clivorum Mary L. Bowerman 1935-4-19 2865 Contra Costa North Road 6.3 mi from North Gate (Mount Diablo, above Pepperwood Spring); Mount Diablo, above Pepperwood Spring 609 Comment
  POM300969  Gilia clivorum Mary L. Bowerman 1935-4-19 2858 Contra Costa Near Turtle Rock; Mount Diablo. 457 Comment
  UC2029000  Gilia clivorum Barbara Ertter 2000-3-30 16919 Contra Costa North side of Mount Diablo, open rocky area ca halfway down Back Canyon Trail from Murchio Gap. Comment
  RSA49035  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  UC809626  Gilia tricolor subsp. diffusa Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa on Marsh Creek road 4 mi w Byron; w of Byron Comment
  JEPS33662  Githopsis diffusa subsp. robusta Wayne Roderick 1963-5-30 Contra Costa 2.7 mi e Morgan Territory road (or 0.3 mi e of Marsh Creek Stables, on Marsh Creek Rd) Comment
  SEINET10906041  Githopsis diffusa subsp. robusta Bowerman 1931-5-16 BOWERMAN 851 Contra Costa Meridian Peak summit Comment
  JEPS20443  Gnaphalium palustre W. L. Jepson May 23 1891-May 24 1891 14746 Contra Costa near Mt. Diablo Comment
  UC1618414  Gnaphalium palustre Barbara Ertter, Brad Olson 1991-9-28 10835 Contra Costa between Orinda and El Sobrante (at s end of San Pablo Reservoir); San Pablo Reservoir 91 Comment
  CAS-BOT-BC303892  Gnaphalium palustre E. M. Zeile 1924-5-6 s.n. Contra Costa Near Walnut Creek Comment
  CDA6066  Gnaphalium stramineum D. G. Kelch 2006-9-25 06 .477-B Contra Costa Carquinez Strait; Marsh 1km. W of Pacheco Slough. Comment
  CDA28826  Gnaphalium stramineum D. G. Kelch, Abigail Moore, Jessica Kolman 2009-5-3 9 .317 Contra Costa Carquinez Strait; W of 5th St Prairie, Crockett. 0 Comment
  JEPS128776  Gratiola ebracteata Kevin Hintsa 2000-5-28 Contra Costa Chase/Hidden Pond, Mount Diablo State Park. Comment
  RSA95463  Grindelia camporum L. S. Rose 1952-11-26 52020 Contra Costa Pittsburg. 3 Comment
  CDA6078  Grindelia camporum var. camporum A. G. Murdock, D. G. Kelch 2004-5-28 284 Contra Costa Carquinez Strait; Pinole Peak. 0 Comment
  CAS-BOT-BC123704  Grindelia camporum var. parviflora John Thomas Howell 1930-9-28 5496 Contra Costa Liberty School on Marsh Creek Road Comment
  JEPS111719  Grindelia hirsutula D. G. Kelch 2004-6-19 04 .280 Contra Costa Selby Along railroad tracks west of Carquinez Bridge Crockett (Valona) 20 Comment
  JEPS25017  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa just w Carlson Blvd. (near Stege railroad siding, along Southern Pacific Railroad); Richmond Comment
  JEPS40435  Grindelia hirsutula William Turner 1965-11-23 Contra Costa in the sand hills just e Antioch (along the San Joaquin River); , in the Antioch sand hills Comment
  JEPS75304  Grindelia hirsutula L. R. Heckard 1975-11-2 4212 Contra Costa nw side Brooks Island; Richmond Comment
  UC1118576  Grindelia hirsutula G. T. Nordstrom 1937-10-28 1408 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  CAS-BOT-BC305221  Grindelia hirsutula J. T. Howell 1930-9-28 5496 Contra Costa Liberty School on Marsh Creek Road Comment
  CAS-BOT-BC305249  Grindelia hirsutula R. F. Hoover 1966-8-31 9945 Contra Costa 1.5 mi. e. of Danville, at junction of Tassajara and Freitas Roads Comment
  UC2028054  Grindelia hirsutula var. hirsutula Barbara Ertter with Amy Rusev 1998-1-17 15905 Contra Costa Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  UC1292655  Guillenia flavescens A. R. Kruckeberg 1949-4-16 1735 Contra Costa 2 mi inside old North Entrance (not tollgate); Mount Diablo State Park Comment
  UC137040  Guillenia flavescens Katharine Brandegee 1907-5-4 Contra Costa between Antioch and Marsh Creek Comment
  JEPS68953  Guillenia lasiophylla Edward Lee 1935-3-10 1283 Contra Costa Donovan Road, w watershed of Kirker Creek Kirker Pass, Kirker Creek Comment
  UC10955  Guillenia lasiophylla Ivar Tidestrom 1893-4-15 Contra Costa Sheep Island Comment
  UC205978  Guillenia lasiophylla Katharine Brandegee Contra Costa Byron Springs Comment
  CAS-BOT-BC304577  Gutierrezia californica Peter Rubtzoff 1951-10-7 822 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  JEPS79354  Gutierrezia californica Edward Lee with Annetta Carter 1935-8-17 1622 Contra Costa Antioch sand-dunes Antioch Comment
  UC1118612  Gutierrezia californica G. T. Nordstrom 1937-10-28 1406 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  CAS-BOT-BC304581  Gutierrezia californica Mary L. Bowerman 1938-11-12 3729 Contra Costa Mount Diablo. Lime Ridge toward crest of hilllside north of break 152 Comment
  POM301854  Gutierrezia californica Mary L. Bowerman 1938-11-12 3729 Contra Costa Lime Ridge toward crest of hillside N of break between 2 chaparral patches. 152 Comment
  UC455500  Gutierrezia sarothrae I. J. Condit 1908-8-20 Contra Costa Oakley 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
  UC1050044  Hebe traversii N. Floy Bracelin 1944-7-23 1507 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC2028485  Hedypnois rhagadioloides Barbara Ertter 1998-5-3 16045 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo Comment
  CAS-BOT-BC306372  Helenium bigelovii Walter Knight 1979-6-15 3391 Contra Costa Browns Island. Crooked Slough Comment
  CDA6437  Helenium puberulum D. G. Kelch, A. G. Murdock 2003-8-13 3 .134 Contra Costa Carquinez Strait; Pinole Creek. Comment
  JEPS111680  Helenium puberulum D. G. Kelch 2003-8-13 03 .134 Contra Costa Pinole Creek 68 Comment
  CDA6432  Helenium puberulum T. C. Fuller 1958-7-3 1270 -58 Contra Costa Carquinez Strait; Highway 4, 4 miles west of Martinez. 0 Comment
  CDA6433  Helenium puberulum T. C. Fuller 1958-7-3 1270 -58 Contra Costa Carquinez Strait; Highway 4, 4 miles west of Martinez. 0 Comment
  UC469039  Helenium puberulum Tracy J. Storer 1912-7-12 Contra Costa n mi sw Walnut Creek 60 Comment
  CAS-BOT-BC305329  Helianthella castanea L. R. Abrams 1921-5-25 8028 Contra Costa At summit, Mt. Diablo Comment
  JEPS100139  Helianthella castanea G. Smick 2003-4-1 GAS 115 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1069451  Helianthella castanea R. W. Lundh 1933-3-20 216 Contra Costa 2 1/2 mi n Lawson Peak; Concord Quadrangle Comment
  UC194921  Helianthella castanea H. M. Hall 1916-5-31 10137 Contra Costa n slope of summit Mt. Diablo 1158 Comment
  CAS-BOT-BC305330  Helianthella castanea L. R. Abrams 1921-5-25 8062 Contra Costa 1/2 way up road to summit Mt. Diablo Comment
  JEPS35456  Helianthus annuus W. L. Jepson 1895-9-14 Contra Costa Walnut Creek Comment
  CAS-BOT-BC305593  Helianthus californicus L. R. Abrams 1910-10-8 4341 Contra Costa Mt. Diablo 609 Comment
  CDA6550  Helianthus californicus D. G. Kelch, A. G. Murdock 2004-9-2 4 .332 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  RSA0012947  Helianthus californicus Joseph A. Ewan 1933-10-15 8037 Contra Costa SW slope of Mount Diablo. Comment
  UC697185  Helianthus gracilentus Mary L. Bowerman 1932-9-24 1592 Contra Costa knoll w of Twin Peaks; Mount Diablo 457 Comment
  RSA0029054  Helianthus gracilentus Barbara Ertter 1999-6-12 16722 Contra Costa Knobcone Point Road on south side of Mount Diablo. At head of NE fork of Sycamore Creek. 488 Comment
  SEINET3861359  Heliotropium convolvulaceum K., L.; N. Thorne; J. Chandler 1986-7-27 4964 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UCD151071  Heliotropium curassavicum var. oculatum James A. Neilson Jr. 1972-11-2 3610 Contra Costa Contra Costa County. Walnut Creek drainage. (Elevation estimated using Google Earth by label maker.) 1 Comment
  UCD36034  Heliotropium curassavicum var. oculatum Beecher Crampton 1949-7-15 486 Contra Costa Contra Costa County, below original site of Judsonville, head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch. 114 Comment
  JEPS100176  Helminthotheca echioides A. Langston 2003-8-26 AL 84 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD32429  Helminthotheca echioides Beecher Crampton 1950-6-16 593 Contra Costa Richmond. Comment
  CAS-BOT-BC305874  Helminthotheca echioides Mary L. Bowerman 1936-10-24 3583 Contra Costa Mount Diablo. North Road, beneath two-story house 131 Comment
  UC990639  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-24 Contra Costa San Ramon 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-BC314863  Hemizonia congesta subsp. luzulifolia Chas. M. Belshaw 1936-10-26 2722 Contra Costa Near Walnut Creek, Coast Ranges Comment
  CAS-BOT-BC314867  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1955-8-24 30900 Contra Costa Near Diablo Country Club Comment
  UC2029028  Hemizonia congesta subsp. luzulifolia Barbara Ertter 2002-5-11 17833 Contra Costa southwest base of Mount Diablo, lower Dan Cook Canyon, Summit Trail paralleling park boundary. Comment
  UC691542  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1932-5-1 1405 Contra Costa grassy knoll e of creek and just n water tank; Mount Diablo, Alamo Canyon Comment
  UC990629  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-9-24 Contra Costa San Ramon Road above Hayward (canyon) Comment
  JEPS75523  Heracleum lanatum P. F. Yorks 1974-5-19 160 B Contra Costa n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UC901875  Heracleum lanatum L. Constance 1950-6-25 3326 Contra Costa s. rim Wildcat Canyon (Tilden Park); , Tilden Park 365 Comment
  SBBG44745  Heracleum maximum Leota Davidson 1966-5-2 417 Contra Costa Hwy 24 near Walnut Crk turn-off Comment
  SD9135  Hesperevax caulescens Katherine Curran April 1883 Contra Costa Antioch Comment
Read comments
Jan 23 2015
  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
  CAS-BOT-BC310192  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1933-5-14 11259 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC310194  Hesperevax sparsiflora var. sparsiflora Mary L. Bowerman 1933-4-15 1850 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  RSA445902  Hesperocnide tenella Joseph A. Ewan 1936-7-5 9731 Contra Costa Wildcat Creek. Comment
  CHSC67246  Hesperolinon breweri James D. Jokerst 1987-6-17 2923 Contra Costa Los Vaqueros watershed study in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Meadows and adjacent lowlands. Comment
  RSA102173  Hesperolinon breweri M. K. C. 1885-06 s.n. Contra Costa Antioch Comment
  RSA151584  Hesperolinon breweri H. K. Sharsmith 1947-6-2 3947 Contra Costa Headwaters of marsh Creek, on shale (?), 0.6 miles from summit of Clayton-Tassajaro-Livermore road, Mount Diablo 305 Comment
  CDA21567  Heteromeles arbutifolia D. G. Kelch, Mike Park 2008-9-1 8 .3 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. Comment
  SEINET11915755  Heteromeles arbutifolia M. T. Doutt 1930-1 87 Contra Costa Marsh Creek Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  RSA39828  Heterotheca sessiliflora subsp. echioides P. A. Munz 1947-10-8 12189 Contra Costa Antioch 12 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
  UC625365  Hibiscus lasiocarpos Ira L. Wiggins 1938-8-15 9006 Contra Costa at Hwy. #4 Old R.; San Joaquin R., Old R. <branch of San Joaquin R.> 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
  JEPS111730  Holocarpha heermannii Dean G. Kelch and Andrew G. Murdock 2004-9-2 04 .329 Contra Costa McEwen Road McEwen Road from Port of Costa - I-4 near summit of Road. Contra Costa County CA. 195 Comment
  UC1332423  Holocarpha heermannii P. B. Dickey 1932-9-14 164 Contra Costa Walnut Creek Comment
  CAS-BOT-BC325826  Holocarpha heermannii Lewis S. Rose 1941-10-13 41465 Contra Costa 1 mile east of Walnut Creek 50 Comment
  CAS-BOT-BC325828  Holocarpha heermannii David D. Keck 1933-11-2 2622 Contra Costa 5 mi. S.E. of Clayton on Marsh Creek Road opposite Mt. Diablo Comment
  CAS-BOT-BC325833  Holocarpha heermannii John Thomas Howell 1929-9-21 4389 Contra Costa 5 miles se. of Clayton on Marsh Creek Road Comment
  CAS-BOT-BC325845  Holocarpha heermannii David D. Keck 1933-11-2 2622 Contra Costa 5 mi. E. of Clayton on Marsh Creek Road just opposite Mt. Diablo Comment
  RSA128986  Holocarpha heermannii Peter H. Raven 1950-7-5 2484 Contra Costa Deer Ridge, Mt. Diablo. 884 Comment
  RSA298252  Holocarpha heermannii Joseph A. Ewan 1933-10-15 8045 Contra Costa South slope of Mt. Diablo 1067 Comment
  UCD133201  Holocarpha macradenia Walter Knight; Irja Knight 1978-8-8 3101 Contra Costa southeast corner of Interstate 80 and Appian Way, 1 mile north of El Sobrante. Comment
  UC702539  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 mi w Byron (on the Marsh Creek Road) 33 Comment
  UC897734  Holocarpha obconica Lewis S. Rose 1938-10-28 38309 Contra Costa 8 mi w Byron; Marsh Creek 60 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-BC320247  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on Marsh Creek Road Comment
  CAS-BOT-BC320251  Holocarpha obconica H. M. Hall 1930-9-24 12846 Contra Costa Vasco Road at Junction 4 miles west of Byron Comment
  CAS-BOT-BC320260  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa On the Marsh Creek Road, 5.4 miles from Byron Comment
  UC913100  Holocarpha obconica David D. Keck 1933-11-2 2621 Contra Costa 1/2 mi s road to Brentwood; Deer Valley Comment
  CAS-BOT-BC320323  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320327  Holocarpha virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC324617  Holocarpha virgata R. F. Hoover 1965-9-24 9648 Contra Costa Foothills west of Byron east of Kellogg Creek Comment
  CAS-BOT-BC324613  Holocarpha virgata David D. Keck 1933-11-2 2624 Contra Costa 5 miles east of Clayton on Marsh Creek Road just opposite Mt. Diablo Comment
  UC2029132  Holocarpha virgata subsp. virgata Barbara Ertter with David Gowen and Mike Park 2004-6-13 18372 Contra Costa Black Diamond Mines Regional Preserve, forks of Old Homestead Loop Trail. Comment
  JEPS112082  Holodiscus discolor D. G. Kelch 2004-3-12 04 .31 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County, CA 220 Comment
  UCD36924  Hordeum brachyantherum Beecher Crampton 1956-5-14 3413 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  CDA948  Hordeum brachyantherum subsp. brachyantherum D. G. Kelch 2006-5-5 6 .132 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  UC650563  Hordeum depressum Ira L. Wiggins 1930-4-17 4569 Contra Costa E of Mountain House (on road to Byron) Comment
  LA14687  Hordeum jubatum H. S. Yates; 1936-8-11 6075 Contra Costa Baxter Creek 1280 Comment
  RSA756868  Hordeum marinum subsp. gussoneanum Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8140 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  UCD85893  Hordeum marinum subsp. gussoneanum L. S. Smith 1916-5-10 s.n. Contra Costa San Pablo. Grand View Terrace. Comment
  UC1950125  Hordeum marinum subsp. gussoneanum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8121 Contra Costa alkali sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton Comment
  CAS-BOT-BC284777  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-4-15 1845 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  CDA29160  Hordeum murinum subsp. leporinum D. G. Kelch 2006-5-7 6 .145 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS75538  Hordeum murinum subsp. leporinum P. F. York 1974-4-28 146 Contra Costa on Hampton Road ca 1.9 km s Bear Creek Road (n of Briones Reservoir, Hampton Road Natural Reserve); Hampton Road Natural Reserve, n of Briones Reservoir 200 Comment
  SD234021  Hordeum murinum subsp. leporinum Virginia Pinkus Ryder 1964-4-12 142 Contra Costa Mt. Diablo, Walnut Creek. 244 Comment
  UC2062663  Horkelia californica subsp. frondosa Barbara Ertter 1990-5-19 8993 Contra Costa Lafayette Ridge of Briones Regional Park N of Lafayette; head of drainage on N side of ridge. Comment
  UC2062668  Horkelia californica subsp. frondosa Barbara Ertter 2002-8-24 18015 Contra Costa East end of Olympia Trail on NE side of Mount Diablo, at junction with uphill trail near intersection of Marsh Creek Road and Morgan Territory Road. Comment
  CAS-BOT-BC55476  Hornungia procumbens Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  UC2029057  Hypericum perforatum Barbara Ertter, Steve Matson 2003-5-31 18182 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburgh, Coal Canyon. Comment
  JEPS100182  Hypochaeris glabra G. Smick 2003-3-27 GAS 100 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC312937  Hypochaeris glabra Ira L. Wiggins 1930-4-18 4596 Contra Costa Levee at east end of Jersey Island Comment
  RSA762307  Hypochaeris radicata William J. Ferlatte, L. M. Moe 1970-4-27 1252 Contra Costa San Francisco Bay, Red Rock Island. 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
  SEINET3875275  Iris douglasiana Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4959 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UC1789186  Iris foetidissima Barbara Ertter 2000-5-20 17025 Contra Costa Sibley Volcanic Regional Preserve, Oakland Hills, trail on ridge behind interpretative center. Comment
  CDA32740  Iris spuria E. Slate 2003-6-3 PDR 1406291 Contra Costa San Francisco Bay Area; Hanson Quarry, NW side of entrance. 0 Comment
  UCD133351  Iva axillaris Morris Halperin 1930-5-20 s.n. Contra Costa Hoffman Ranch, Brentwood. Comment
  JEPS22099  Iva axillaris subsp. robustior G. Thomas Robbins 1958-7-19 3909 Contra Costa at edge of rock quarry on hills above and just s Castro Pt.; San Francisco Bay, Richmond Comment
  JEPS41044  Iva axillaris subsp. robustior Rimo Bacigalupi and L. R. Heckard 1965-5-11 9069 Contra Costa w side Brooks Island (sw of Richmond); San Francisco Bay Comment
  JEPS111674  Jaumea carnosa D. G. Kelch 2003-8-13 03 .99 Contra Costa Martinez Marsh 0 Comment
  SEINET11261292  Jaumea carnosa Barbara Ertter, Elizabeth Neese 1988-10-15 7975 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue.; 0 Comment
  JEPS46455  Juglans californica var. hindsii W. L. Jepson 1908-8-16 3087 Contra Costa Walnut Creek Comment
  UC1197943  Juglans californica var. hindsii Joseph P. Tracy 1933-12-1 13130 Contra Costa along creek between Lafayette and Moraga Comment
  UC691942  Juglans californica var. hindsii Mary L. Bowerman 1936-5-6 3412 Contra Costa Mitchell Canyon floor Mount Diablo (10 feet from stream) 259 Comment
  CAS-BOT-BC102304  Juglans hindsii Lewis S. Rose 1936-4-24 36140 Contra Costa Marsh Creek, 5 mi. E. of Clayton 60 Comment
  POM166816  Juglans hindsii L. R. Abrams 1916-7-29 s.n. Contra Costa Walnut Creek Comment
  CDA9369  Juncus arcticus subsp. balticus D. G. Kelch 2006-7-14 6 .334 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  UC1607650  Juncus balticus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10704 Contra Costa opposite of Pittsburg Marina (center of w end of Browns Island, n of Pittsburg, near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  IRVC14055  Juncus balticus J. Lanier 1967-5-21 s.n. Contra Costa Tice Valley Comment
  UC691983  Juncus bufonius var. bufonius Mary L. Bowerman 1931-4-4 635 Contra Costa Mount Diablo, 2 mi by road from West Entrance = North Gate Mount Diablo Comment
  JEPS116854  Juncus bufonius var. bufonius David Gowen 2007-4-16 676 Contra Costa Briones Regional Park in the northern Maricich Lagoon. Comment
  RSA0029053  Juncus bufonius var. bufonius Barbara Ertter 1999-6-12 16716 Contra Costa West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cones Point Road (near powerline). 457 Comment
  CHSC116625  Juncus bufonius var. congestus Lowell Ahart; Josephine Guardino 2016-4-19 20786 Contra Costa Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Mrina, 1.9 miles (air)southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UC2028305  Juncus bufonius var. congestus Barbara Ertter, Susan D'Alcamo 1998-6-12 16200 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo. Comment
  SEINET3880292  Juncus nevadensis Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4979 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  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
  UC1619922  Juncus occidentalis Barbara Ertter, Brad Olson 1991-11-10 10887 Contra Costa behind yacht harbor (extreme w Richmond); Richmond, Point San Pablo Comment
  UC2013049  Juncus occidentalis Barbara Ertter with Lisa Schultheis 1996-9-2 15274 Contra Costa South side Mount Diablo, short distance down trail to Oyster point from Blackhawk Ridge road junction. Comment
  UC2028532  Juncus occidentalis Barbara Ertter 1998-5-3 16035 Contra Costa Above SW of fork of Pine Creek at southwest base of Mount Diablo. Comment
  JEPS100047  Juncus phaeocephalus var. paniculatus G. Smick 2003-6-6 GAS 211 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA0027402  Juncus phaeocephalus var. paniculatus Barbara Ertter 1999-7-17 16765 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park. On east side of road. Comment
  JEPS112452  Juncus tenuis D. G. Kelch 2005-4-15 05 .134 Contra Costa Rodeo Creek East-West canyon feeding into Rodeo Creek 120 Comment
  JEPS112433  Juncus xiphioides D. G. Kelch 2004-7-9 04 .307 Contra Costa Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite 60 Comment
  UC521770  Juncus xiphioides Joseph Andorfer Ewan 1933-10-15 8019 Contra Costa sw slope Mt. Diablo Comment
  UC691982  Juncus xiphioides Mary L. Bowerman 1932-8-27 1523 Contra Costa s of Turtle Rock; Mount Diablo Comment
  POM300638  Juncus xiphioides Mary L. Bowerman 1931-5-15 865 Contra Costa Lower Silver Spring. Comment
  CAS-BOT-BC80927  Juniperus californica L. R. Abrams 1910-10-8 4989 Contra Costa near summit of Mt. Diablo Comment
  JEPS48303  Juniperus californica W. L. Jepson 1920-9-6 9084 a Contra Costa Mt. Diablo Comment
  UC486488  Juniperus californica Mrs. G. Earle Kelly 1932-7-20 Contra Costa Laurel Dell Mt. Diablo, Laurel Dell Comment
  UC558454  Juniperus californica C. M. Belshaw 1936-10-25 2021 Contra Costa 0.75 mi ne of North Peak; Mount Diablo 609 Comment
  JEPS71238  Koeleria macrantha Mary L. Bowerman 1931-5-2 796 Contra Costa upper end of canyon, 2 n ridges, Eagle Pt. Ridge Mt. Diablo; , 2 n ridges, Eagle Pt. Ridge Comment
  UC692395  Koeleria macrantha Mary L. Bowerman 1933-5-3 1983 Contra Costa Alder Creek Canyon Mount Diablo; , Alder Creek Canyon 731 Comment
  CAS-BOT-BC273617  Koeleria pyramidata Virginia E. Long 1933-6-14 223 a Contra Costa Mt. Diablo. Between Curry-Cave trail canyon and W. fork 457 Comment
  UC691780  Lactuca serriola Mary L. Bowerman 1932-9-24 1591 Contra Costa ridge running w from Twin Peaks; Mount Diablo 335 Comment
  CAS-BOT-BC340543  Lactuca serriola R. E. Frenkel 1963-8-18 264 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC2029174  Lactuca virosa Barbara Ertter 2000-7-29 17443 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water. Comment
  JEPS111661  Lagophylla ramosissima A. G. Murdock 2004-5-28 270 Contra Costa Pinole Peak 205 Comment
  UC691493  Lagophylla ramosissima Mary L. Bowerman 1933-5-4 1992 Contra Costa Fossil Ridge Comment
  UC912601  Lagophylla ramosissima Herbert L. Mason 1929-9-21 5432 a Contra Costa Marsh Creek road 3 mi above Clayton (summit of grade) Comment
  UC697157  Lagophylla ramosissima Mary L. Bowerman 1930-10-19 487 Contra Costa South road at Garden-of-the-Gods (roadside); Mount Diablo Comment
  CAS-BOT-BC412725  Lastarriaea coriacea James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  UC14012  Lastarriaea coriacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  JEPS10382  Lasthenia californica subsp. californica W. L. Jepson 1931-4-5 15718 Contra Costa adobe flat in hills about Nortonville 457 Comment
  JEPS6970  Lasthenia californica subsp. californica Peter Kamb 1950-3-18 1635 Contra Costa saddle between North Peak and South Peak; Mount Diablo 883 Comment
  UC1728009  Lasthenia conjugens R. Ornduff 1998-5-10 10186 Contra Costa pasture on N side of Hwy 4 and e of I-80 Comment
  UC33074  Lasthenia conjugens J. Burtt Davy 1895-4-7 968 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC90073  Lasthenia conjugens T. S. Brandegee Jun 1884 Contra Costa Walnut Creek Comment
  JEPS85834  Lasthenia ferrisiae Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8124 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) Comment
  UC1363767  Lasthenia ferrisiae Robert Ornduff 1958-4-15 4898 Contra Costa alkali flats next to road Byron Hot Springs Comment
  UC1585874  Lasthenia ferrisiae Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8124 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) Comment
  CAS-BOT-BC353330  Lasthenia fremontii R. F. Hoover 1967-4-28 10512 Contra Costa Byron Hot Springs. Comment
  CAS-BOT-BC353329  Lasthenia fremontii C. F. Baker 1903-4-27 2867 Contra Costa Alkaline plains, Byron. Comment
  CAS-BOT-BC353332  Lasthenia fremontii Peter H. Raven; H. L. Mason; et al. 1957-4-4 10587 Contra Costa Vernal flats 3 miles S of Byron. Comment
  RSA114067  Lasthenia fremontii H. L. Mason 1952-4-14 14260 Contra Costa 3.5 miles S of Byron Comment
  RSA516575  Lasthenia fremontii R. C. Bacigalupi, G. Thomas Robbins 1956-3-26 5533 Contra Costa About 2.5 miles S of Byron, just S of S.P.R.R. crossing on road to Bethany. Near head of Italian Slough. 6 Comment
  JEPS35363  Lasthenia glaberrima W. L. Jepson 1892-5-24 Contra Costa Mt. Diablo Comment
  UC1598597  Lasthenia glaberrima A. D. E. Elmer 1903-5-1 4321 Contra Costa Walnut Creek Comment
  UC90071  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UCD133763  Lasthenia glabrata subsp. glabrata P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC352773  Lasthenia glabrata subsp. glabrata Mary L. Bowerman 1933-4-15 1865 Contra Costa Canyon S of Arroyo del Cerro, 1400 feet? below spring Comment
  CAS-BOT-BC352803  Lasthenia glabrata subsp. glabrata A. Kellogg 1877-4-1 31 Contra Costa Mount Diablo: Mitchell-Pine divide, northernmost 2750 ft. point 838 Comment
  JEPS105698  Lasthenia glabrata subsp. glabrata David Gowen 2004-4-18 33 Contra Costa Black Diamond Mines Regional Preserve. South side of the valley opposite the Nortonville townsite. Comment
  UC697156  Lasthenia microglossa Mary L. Bowerman 1936-4-23 3405 Contra Costa Mitchell-Pine Divide, northern most point Mount Diablo 838 Comment
  UC30474  Lasthenia minor Jos. Burtt Davy 1895-4-7 937 Contra Costa Antioch Comment
  UC90072  Lasthenia minor K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  CAS-BOT-BC366305  Lasthenia minor Ira L. Wiggins 1930-4-17 4556 Contra Costa 1 mi E. of Mountain House, on road to Byron Comment
  RSA8522  Lasthenia minor J. T. Howell 1933-3-29 10895 Contra Costa Nortonville Comment
  RSA720812  Lathyrus jepsonii subsp. californicus Barbara J. Ertter, Dale Sanders, Dan Norris 1994-3-26 12331 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, southeast side of hill. 30 Comment
  UCD106240  Lathyrus jepsonii var. californicus R. N. Raynor 1939-4-15 s.n. Contra Costa Near San Ramon. Comment
  CAS-BOT-BC205013  Lathyrus jepsonii var. jepsonii Walter Knight; Brian Atwater; Joanne Dean; Rolf Bensler; Bryan Mortensen 1979-4-13 3362 Contra Costa Crooked Slough, Browns Island Comment
  JEPS78609  Lathyrus jepsonii var. jepsonii Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3301 Contra Costa Browns Island, South Landing Browns Island; , South Landing Comment
  UC1795739  Lathyrus latifolius Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14671 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; edge of coastal bluff and blacktop at northwest corner of area. Comment
  UC15363  Lathyrus vestitus var. vestitus W. H. Brewer 1862-4-30 Contra Costa Monte Diablo Comment
  UC692237  Lathyrus vestitus var. vestitus Mary L. Bowerman 1931-4-19 742 Contra Costa above lower Deer Flat Mount Diablo, Deer Flat Comment
  JEPS55368  Lathyrus vestitus var. vestitus W. L. Jepson 1891-6-9 13633 Contra Costa e side Berkeley Hills (at the Fish Ranch) Comment
  UC15372  Lathyrus vestitus var. vestitus W. L. Jepson Contra Costa Fish Ranch Comment
  CAS-BOT-BC323909  Layia chrysanthemoides M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC323911  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron Comment
  UC62893  Layia chrysanthemoides H. M. Hall 1901-3-22 1688 Contra Costa Rodeo Creek Region of San Francisco Bay, Rodeo Creek Comment
  UC650363  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa s Byron Comment
  POM53189  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron. Comment
  CAS-BOT-BC321746  Layia gaillardioides Mary L. Bowerman 1935-4-17 2847 Contra Costa Mt. Diablo. North Road, 2 mi from North Gate, ridge west of chaparral. 335 Comment
  UC691554  Layia gaillardioides Mary L. Bowerman 1932-4-16 1351 Contra Costa n of Eagle Point; Eagle Point Ridge Comment
  UC89217  Layia gaillardioides K. Brandegee May 1884 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC321748  Layia gaillardioides John Thomas Howell 1941-4-6 16176 Contra Costa Deer Flat, Mt. Diablo Comment
  UC2042962  Layia gaillardioides Barbara Ertter with D. Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-5-8 18569 Contra Costa Ginochio property on west side of Mount Diablo, connector road across serpentine ridge from Olofson Homestead to Government Road. Comment
Read comments
Feb 13 2016
  CAS-BOT-BC321083  Layia glandulosa A. A. Heller 1908-4-16 8896 Contra Costa E of Antioch 22 Comment
  UC468861  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  UC468839  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Comment
  UC614822  Layia glandulosa Beryl O. Schreiber 1932-3-27 161 Contra Costa Comment
  UC691492  Layia platyglossa Mary L. Bowerman 1933-5-2 1965 Contra Costa below and a little w Pioneer Camp; Mount Diablo Comment
  CAS-BOT-BC370666  Layia platyglossa H. M. Hall 1901-4-5 1750 Contra Costa Mt. Diablo near summit Comment
  CAS-BOT-BC370668  Layia platyglossa Mary L. Bowerman 1931-4-19 737 Contra Costa Mount Diablo. Ridge south of Deer Flat. 838 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
  RSA248647  Lepechinia calycina Bonnie C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. Comment
  CAS-BOT-BC88705  Lepidium acutidens R. F. Hoover 1967-4-28 10507 Contra Costa Byron Hot Springs. Comment
  RSA19373  Lepidium dictyotum var. acutidens L. S. Rose 1937-3-26 37012 Contra Costa Byron. 8 Comment
  CDA24908  Lepidium dictyotum var. dictyotum Jim Jokerst 1989-3-29 3073 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  CHSC69637  Lepidium dictyotum var. dictyotum James D. Jokerst 1989-3-28 3051 B Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CAS-BOT-BC89715  Lepidium latifolium Walter Knight; Joanne Dean 1978-8-14 3170 Contra Costa Brown Island. Comment
  UC2029041  Lepidium latifolium Barbara Ertter 2000-3-30 16899 Contra Costa Mitchell Canyon trailhead, adjacent to horse staging area in parking lot. Comment
  UC2070650  Lepidium latifolium Barbara Ertter 2002-8-24 18021 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  POM172656  Lepidium latipes Chesnut, E. R. Drew 1889-4-16 s.n. Contra Costa Concord. Comment
  UC10641  Lepidium latipes W. H. Brewer 1862-4-24 985 Contra Costa Camp 68 Martinez Comment
  UC1157922  Lepidium nitidum Olive Dyer 1937-3-6 214 Contra Costa upper end Wildcat Canyon Comment
  CAS-BOT-BC12551  Lepidium nitidum R. E. Frenkel 1964-2-5 357 Contra Costa On Morgan Territory Road, 0.2 mile south of summit. 609 Comment
  CAS-BOT-BC89894  Lepidium nitidum Alice Eastwood; John Thomas Howell 1936-4-19 2152 Contra Costa 4 miles south of Antioch. Comment
  JEPS53698  Lepidium nitidum W. L. Jepson 1922-4-16 9601 Contra Costa San Pablo Valley Comment
  RSA34732  Lepidium nitidum R. C. Rollins 1946-3-25 3044 Contra Costa Western slope of Mount Diablo. Comment
  RSA34733  Lepidium nitidum R. C. Rollins 1946-3-25 3042 Contra Costa Western slope of Mount Diablo. Comment
  CDA29774  Lepidium strictum D. G. Kelch, A. G. Murdock 2003-3-21 3 .044 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  JEPS25136  Lepidium strictum G. Thomas Robbins 1959-4-26 4006 Contra Costa about 1 mi ne Giant (and about 0.25 mi n of San Pablo Oil Tank Farm) 7 Comment
  UC10597  Lepidium strictum Harley P. Chandler 1901-4-5 942 Contra Costa Pine Canyon Mt. Diablo Comment
  CDA42432  Lepidium virginicum D. G. Kelch 2012-6-1 12 .093 Contra Costa Carquinez Strait Region; 1 km east of Port Costa in the vicinity of the old brick factory. Comment
  UCD102370  Leptosiphon androsaceus Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 470 Comment
  UC2027729  Leptosiphon bicolor Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15507 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UCD118625  Leptosiphon bicolor Laurence S. Jones 1934-4-8 s.n. Contra Costa West slopes of Mt. Diablo. 609 Comment
  UC1094039  Lessingia pectinata var. tenuipes Lewis S. Rose 1955-10-17 55185 Contra Costa Antioch Comment
  UC761928  Lessingia pectinata var. tenuipes R. F. Hoover 1940-11-23 4696 Contra Costa 2 mi w Byron Comment
  UC2029023  Leucanthemum vulgare Barbara Ertter 1999-7-17 16761 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  CDA39047  Leymus X multiflorus D. G. Kelch 2011-6-5 11 .576 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  JEPS481  Leymus X multiflorus W. L. Jepson 1937-7-2 18445 Contra Costa swale 1/2 mi w Crockett Comment
  JEPS78895  Leymus X multiflorus Edward Lee 1935-8-13 1616 Contra Costa Vaca Canyon; roadside Comment
  SEINET10925827  Leymus X multiflorus Edward Lee 1935-8-13 Lee 1616 Contra Costa With stolons. Open grassy roadside. Vaca Canyon. Comment
  CDA19893  Leymus triticoides R. M. Case 2002-6-1 PDR P 099532 Contra Costa Northern California; Highland Rd & Collier. 0 Comment
  UCD65640  Leymus triticoides A. A. Beetle 1941-6-24 1751 Contra Costa Point Richmond on San Francisco Bay. Comment
  RSA0026158  Leymus triticoides Barbara Ertter 2000-7-29 17448 -a Contra Costa Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. 213 Comment
  SEINET10595891  Leymus triticoides Frank W. Gould 1941-5-8 Gould 1290 Contra Costa Wastelands along Bay at Winehaven (near Richmond). Comment
  JEPS128148  Ligustrum ovalifolium Eric Wrubel 2010-10-1 NPS 2 Contra Costa Joh Muir National Historic Site, Martinez. Mount Wand trailhead. 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
  CAS-BOT-BC211109  Lilaeopsis masonii Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa Antioch Sand Dunes, Little Corral site Comment
  UC17899  Limnanthes douglasii subsp. nivea W. H. Brewer 1862-4-30 1009 Contra Costa Camp 69 Walnut Creek Comment
  CDA33335  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596381 Contra Costa Near Rio Vista; tidal waterway, 200 yards from deep water channel 0 Comment
  UC23376  Linanthus androsaceus Brewer 1862-5-22 1139 Contra Costa ne of Mt. Diablo (hills s of Coal Mines) Comment
  UC2028267  Linanthus androsaceus Barbara Ertter 1999-6-12 16712 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore Creek. Comment
  JEPS112006  Linanthus bicolor D. G. Kelch 2005-4-15 05 .131 Contra Costa Rodeo Creek East-West canyon feeding into Rodeo Creek 120 Comment
  UC691640  Linanthus bicolor Mary L. Bowerman 1931-3-29 619 Contra Costa East Cave Point Ridge; Mount Diablo Comment
  UC727781  Linanthus bicolor Milo S. Baker 1946-4-20 11332 Contra Costa s of Clayton (summit) Comment
  UC1713208  Linanthus bolanderi Mary L. Bowerman 1935-4-26 2905 Contra Costa w of Indian Ceremonial Spring; Mount Diablo 1005 Comment
  JEPS108216  Linanthus ciliatus David Gowen 2005-4-26 269 Contra Costa Mt. Diablo State Park. Near serpentine area just north of Cardinet Oaks Rd. Comment
  JEPS123317  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
  UC691638  Linanthus pygmaeus subsp. continentalis Mary L. Bowerman 1933-5-25 2178 Contra Costa w end of s-face Oyster Ridge 396 Comment
  UC964003  Linanthus pygmaeus subsp. continentalis R. F. Hoover 1939-4-13 4020 Contra Costa w branch Head of Markley Canyon Comment
  CHSC114301  Linum bienne D. G. Kelch 2011-5-28 11 .537 Contra Costa Carquinez Strait Region.: W. of Martinez. N of end of Hillside Pl. 182 Comment
  UCR248236  Linum bienne Dean Kelch 2011-5-28 11 .537 Contra Costa Carquinez Strait Region, west of Martinez, north of end of Hillside Place 183 Comment
  UC198752  Linum lewisii Chesnut and Drew 1889-4-16 Contra Costa Martinez Comment
  RSA0068477  Lithophragma affine Katie Gallagher, Nick Jensen 2014-4-26 201 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  POM142564  Lithophragma affine subsp. affine H. P. Chandler 1901-3-23 867 Contra Costa Martinez. Region of San Francisco Bay. Comment
Read comments
Mar 6 2011
  UC1050466  Lobelia laxiflora N. Floy Bracelin 1941-5-4 1262 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC2031413  Lobularia maritima Barbara Ertter with David Gowen 2006-4-14 18666 Contra Costa Lime Ridge Open Space (City of Concord) at NW foot of Mt Diablo, grassland along Ohlone Trail SE of Ygnacio Valley Road Comment
  UC2028310  Logfia filaginoides Barbara Ertter, Susan D'Alcamo 1998-6-12 16167 Contra Costa North Peak Trail from Devil's Elbow on SE side of Mount Diablo summit. Comment
  JEPS111698  Logfia gallica D. G. Kelch 2004-4-25 04 .121 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  UC1795896  Logfia gallica Barbara Ertter, Chris Thayer 1995-4-25 13992 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UC606726  Logfia gallica Edward Lee 1936-4-19 1991 Contra Costa summit Red Rock Island; San Francisco Bay, Red Rock Island 54 Comment
  UC672236  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills Comment
  CAS-BOT-BC269060  Lolium perenne J. W. Congdon 1889-6-19 s.n. Contra Costa Byron Springs Comment
  UC1948973  Lolium perenne William J. Ferlatte, L. Maynard Moe 1970-4-27 1248 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC269051  Lolium perenne Mary L. Bowerman 1935-5-3 2967 Contra Costa Mount Diablo. Sloan Road 487 Comment
  RSA641386  Lolium perenne subsp. multiflorum Terry J. O'Brien 1999-07 s.n. Contra Costa San Francisco Bay Area. eastern Richmond along boundary with EL Cerrito. Mira Vista Park adjacent Mira Vista School 91 Comment
  UC50693  Lolium temulentum Alice Eastwood 1893-5-3 Contra Costa Antioch Comment
  UC692428  Lolium temulentum Mary L. Bowerman 1933-5-17 2096 Contra Costa branch of Curry Canyon due s of Olafson's barn Mount Diablo; , branch of Curry Canyon Comment
  UCD66482  Lolium temulentum Beecher Crampton 1956-5-14 3408 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  UCD66671  Lolium temulentum K. Brandegee 1916-5-9 Contra Costa Byron Springs. Comment
  UC692349  Lomatium californicum Mary L. Bowerman 1933-4-26 1926 Contra Costa North Peak ridge e.-s.e. of the peak Mt. Diablo (just n. of crest near a solitary Pinus sabiniana which is on the crest of the ridge) 518 Comment
  SEINET13944355 Image available Lomatium caruifolium C. F. Baker 1904-1 2800 Contra Costa Byron Comment
  UC659027  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1163 Contra Costa 3 mi. s. Byron Comment
  JEPS15816  Lomatium caruifolium var. caruifolium Edw. L. Greene 1889-3-23 Contra Costa plains of the San Joaquin near Byron Comment
  UC21279  Lomatium dasycarpum subsp. dasycarpum H. M. Hall 1901-4-5 1747 Contra Costa Mt. Diablo 640 Comment
  UC2028148  Lomatium macrocarpum Barbara Ertter 1998-4-4 15965 Contra Costa Shell Ridge Open Space northwest of Mount Diablo and Indian Valley School. Comment
  UC2032839  Lomatium utriculatum Doran, Andrew Scott 2012-3-20 710 Contra Costa Highest point on Brooks Island, southern part of island overlooking quarry. Comment
  UC21269  Lomatium utriculatum Alice Eastwood 1894-5-3 Contra Costa Antioch Comment
  UC691424  Lomatium utriculatum Mary L. Bowerman 1932-2-28 1091 Contra Costa ridge E of Rhine Canyon 487 Comment
  UCD137367  Lonicera subspicata M. Wiesendanger 1925-5-1 1480 Contra Costa San Miguel. Comment
  JEPS12852  Lonicera subspicata var. denudata W. L. Jepson 1920-9-6 9080 Contra Costa Donner Canyon, on ridge towards high spring under saddle Mt. Diablo Comment
  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
  UC1051193  Lonicera thibetica N. Floy Bracelin 1944-6-11 2727 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC692569  Lotus crassifolius var. crassifolius Mary L. Bowerman 1931-5-16 862 Contra Costa Meridian Peak summit Mount Diablo Comment
  RSA138287  Lotus heermannii Volney Rattan 1879 Contra Costa Antioch Comment
  UC692531  Lotus humistratus Mary L. Bowerman 1931-5-7 802 Contra Costa North Peak Ridge Mount Diablo Comment
  UC692526  Lotus micranthus Mary L. Bowerman 1931-3-29 616 Contra Costa East Cave Point Ridge Mount Diablo Comment
  UC692527  Lotus micranthus Mary L. Bowerman 1932-4-9 1325 Contra Costa Inner Black Hills, s spur on meridian Mount Diablo Comment
  JEPS55792  Lotus purshianus var. purshianus W. L. Jepson 1919-6-8 8333 Contra Costa Mt. Diablo 365 Comment
  UC692269  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  UC692571  Lotus scoparius Mary L. Bowerman 1930-6-5 255 Contra Costa 5.8 mi from entrance West road (=North Road); Mount Diablo Comment
  JEPS100073  Lotus scoparius var. scoparius G. Smick 2003-5-30 GAS 201 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1051078  Luculia intermedia N. Floy Bracelin 1944-10-29 2821 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS111865  Lunaria annua D. G. Kelch 2004-5-9 04 .214 Contra Costa Crockett - Eckley Hills north of Bull Valley Staging Area 13 Comment
  CAS-BOT-BC201369  Lupinus albifrons var. albifrons H. E. McMinn 1922-6-2 81 Contra Costa N. slope of Mt. Diablo Comment
  JEPS112355  Lupinus albifrons var. albifrons Dean G. Kelch and Andrew G. Murdock 2004-3-12 04 .019 Contra Costa Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA. Comment
  UC692521  Lupinus albifrons var. albifrons Mary L. Bowerman 1931-4-25 785 Contra Costa between junction of one-way roads and top Meridian Peak summit (Mount Diablo); , Meridian Peak summit 1158 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
  JEPS25126  Lupinus arboreus G. Thomas Robbins 1959-4-18 3995 Contra Costa near and n Pt. Richmond (above Western Drive, western slopes of the Potrero Hills, Richmond); Richmond, near and n of Pt. Richmond 7 Comment
  UC201981  Lupinus arboreus Miss Harriet A. Walker 1911-7-2 2511 Contra Costa near Santa Fe Track Antioch (Antioch); , near Santa Fe Track Comment
  JEPS89588  Lupinus bicolor Dean W. Taylor 1971-4-3 1045 Contra Costa slope near summit Mt. Diablo; S. Coast Ranges, Mt. Diablo Comment
  UC33589  Lupinus bicolor J. P. Tracy 1900-3-24 624 Contra Costa Point Richmond San Francisco Bay, Point Richmond (Dry Hill) 15 Comment
  UCD107273  Lupinus bicolor P. B. Kennedy 1916-5-11 25 Contra Costa Grand View Terrace; Richmond District. Comment
  UCR12074  Lupinus bicolor Coleta A. Lawler 1964-5-8 057 Contra Costa San Francisco Bay Region, Hampton Road, 3 .7 mi south of junction with Alhambra Valley Road; c. 10 miles northwest of Lafayette 46 Comment
  UC2028255  Lupinus bicolor Barbara Ertter with Gary Schoolcraft 1996-4-7 14573 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower Comment
  UC33550  Lupinus bicolor Prof. Greene 1888-5-1 Contra Costa near Moraga V.; near Moraga V. Comment
  UCD107278  Lupinus bicolor P. B. Kennedy 1929-4-21 s.n. Contra Costa St. Mary's College, Moraga Valley. Comment
  UC1073380  Lupinus bicolor subsp. umbellatus George B. Rossbach 1955-3-13 323 Contra Costa just e Antioch (along San Joaquin River); , just e of Antioch Comment
  CAS-BOT-BC187857  Lupinus chamissonis John Thomas Howell 1926-12-27 2272 Contra Costa 1.5 miles S of Oakley Comment
  UCD107012  Lupinus chamissonis Beecher Crampton 1973-3-26 8907 Contra Costa 2 miles S.E. of Oakley. Comment
  CDA6113  Lupinus formosus D. G. Kelch 2007-5-12 7 .289 Contra Costa Carquinez Strait; Franklin Ridge, S of Hwy 4 at McEwen Rd. 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
  RSA0064357  Lupinus latifolius Daisie Huang 2006-7-18 06071805 Contra Costa Ppinehurst Road above Moraga Road. 156 Comment
  CDA28918  Lupinus microcarpus D. G. Kelch, Troy MacGregor 2009-5-24 9 .298 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  OBI60545  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 516 Contra Costa On Marsh Crk Rd, in rolling hill country N of Byron Comment
  SD103749  Lupinus microcarpus var. densiflorus Walter Knight, Irja Knight 1979-6-8 3397 Contra Costa San Pablo Dam Road between Orinda & El Sobrante Comment
  UC201007  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-1 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201019  Lupinus microcarpus var. microcarpus Katharine Brandegee and Harriet E. Phillips 1918-6-16 Contra Costa near Vigorit Powder Works; near Vigorit Powder Works Comment
  RSA0033776  Lupinus nanus Barbara Ertter, Richard K. Brummitt 1998-5-6 16093 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin. Comment
  UC1301168  Lupinus nanus Helen K. Sharsmith 1962-4-18 4960 Contra Costa near Canyon; San Francisco Bay Region 152 Comment
  UC762924  Lupinus pachylobus R. F. Hoover 1938-5-4 3342 Contra Costa Peak e Tassajero Creek; Peak e of Tassajero Creek Comment
  RSA0027639  Lupinus pachylobus Barbara Ertter, Tony Morosco 1998-4-12 16002 Contra Costa Base of Mount Olympia on north side of Mount Diablo, slope above quarry NE of Olympia Trail, with numerous outcrops. 518 Comment
  UC2070441  Lupinus pachylobus Barbara Ertter with Linda Vorobik 2002-4-6 17823 Contra Costa South side of Mount Diablo, roadside NW of Curry Point trailhead. Comment
  CHSC23154  Lupinus polycarpus Robert A. Schlising 1962-4-7 2149 Contra Costa Coastal Range. Roadside near Antioch Reservoir. Comment
  JEPS75467  Lupinus succulentus P. F. Yorks 1974-4-6 125 Contra Costa on Hampton Road ca 1.7 km s Bear Creek Road (in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 180 Comment
  CDA39247  Luzula comosa D. G. Kelch 2003-3-21 3 .051 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. 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
  HSC14134  Luzula comosa Greg Bos 1963-3-9 34 Contra Costa Albany Hill 12 Comment
  JEPS120275  Lychnis coronaria Barbara Ertter 2012-10-27 21293 Contra Costa entrance gate to Golf Course Trail in Tilden Regional Park 370 Comment
  OBI78277  Lythrum californicum D. G. Kelch 1996-10-17 s.n. Contra Costa CA Dept. Food & Ag CDA; Carquinez Strait: Pt. Edith Marsh 1 Comment
  UC1619946  Lythrum californicum Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10695 Contra Costa Browns Island n. of Pittsburg (near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, center of w. end of island); Browns Island Comment
  JEPS112515  Lythrum hyssopifolia D. G. Kelch 2004-7-9 04 .302 Contra Costa McEwen Road. McEwen marsh. North of Cummings Skyway 130 Comment
  UCD150881  Lythrum hyssopifolia James A. Neilson Jr. 1972-11-2 3617 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  CDA29558  Madia gracilis D. G. Kelch, Troy MacGregor 2009-5-1 9 .27 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  CDA8271  Madia gracilis D. G. Kelch, A. G. Murdock 2005-5-6 5 .222 Contra Costa Carquinez Strait; East of Christie Road. South of Route 4, Franklin Canyon. Comment
  JEPS40425  Madia gracilis W. L. Jepson 1896-5-31 Contra Costa near Berkeley (trip to Wildcat Creek) Comment
  UC691765  Madia gracilis Mary L. Bowerman 1931-4-25 754 Contra Costa two mi by road from west entrance = North Gate; Mount Diablo 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
  OBI23153  Madia gracilis Joseph Andorfer Ewan 1934-5-20 8931 Contra Costa Russelmann Park N slope of Mt Diablo Comment
  CAS-BOT-BC324486  Madia radiata R. F. Hoover 1938-3-25 2898 Contra Costa Lone Tree Valley Comment
  CAS-BOT-BC324491  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 miles southwest of Antioch Comment
  CDA42364  Madia sativa D. G. Kelch, Vince Guise 2012-7-26 12 .239 Contra Costa Wildcat Canyon Park, Alvarado Unit. Comment
  UC33195  Madia sativa Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  CAS-BOT-BC343580  Madia sativa David D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road, 1/4 mi. W. of East Portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC343582  Madia sativa David D. Keck 1933-11-2 2614 Contra Costa 1 mi. W. of Avon, N. Contra Costa County Comment
  CAS-BOT-BC343584  Madia sativa Keck 1933-11-2 2614 Contra Costa 1 mile W. of Avon Comment
  UC2027972  Madia sativa Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15664 Contra Costa Point Richmond, crest of road. 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-BC206331  Malacothamnus fremontii John Thomas Howell; T. H. Kearney 1950-7-5 26635 Contra Costa Nortonville. Comment
  UC1122042  Malacothamnus fremontii R. C. Wilson 1935-3-14 134 Contra Costa 2 mi up sycamore Cree; Mt. Diablo 381 Comment
  UC692693  Malacothamnus hallii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running w from Twin Peak; Mount Diablo 335 Comment
  UC691434  Malacothrix clevelandii Mary L. Bowerman 1932-5-6 1415 Contra Costa floor Mitchell Canyon (Mount Diablo); , Mitchell Canyon Floor 213 Comment
  CAS-BOT-BC345454  Malacothrix coulteri Kellogg; Bloomer 1869-5-1 s.n. Contra Costa Antioch Comment
  CDA39046  Malva parviflora D. G. Kelch 2011-6-5 11 .575 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  UCD116680  Malva sylvestris Herbert L. Mason 1952-6-10 s.n. Contra Costa Waste land near Dwinelle Hall, University of California, Berkeley. Comment
  CAS-BOT-BC8186  Malvastrum howellii John Thomas Howell 1931-5-12 6470 Contra Costa Nortonville Comment
  SEINET3840811  Malvella leprosa Unknown 2006-7-14 6 .332 Contra Costa Between route 4 and Carbon road, east Rodeo 24 Comment
  UC108945  Malvella leprosa Mrs. K. Brandegee 1892-6-8 Contra Costa Antioch Comment
  OBI12334  Malvella leprosa Robert F. Hoover 1966-8-31 9944 Contra Costa 1.5 mi E of Danville on Tassajara rd Comment
  POM226096  Marah fabacea J. T. Howell 1933-3-29 10902 Contra Costa Nortonville hills. Comment
  SEINET10581732  Marrubium vulgare John T. Middleton 1936-4-18 Middleton 135 Contra Costa Comment
  CAS-BOT-BC348050  Matricaria discoidea Katharine Brandegee No date on label s.n. Contra Costa Byron Spring Comment
  RSA215988  Matricaria occidentalis R. E. Frenkel 1963-5-15 197 Contra Costa Grazed field east of Bixler Road between Marsh Creek Road and California Highway 4 in Byron Tract Comment
  UC1050002 Image available Maytenus boaria N. Floy Bracelin 1942-4-12 2017 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS100115  Medicago arabica G. Smick 2003-5-8 GAS 180 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS75470  Medicago polymorpha P. F. Yorks 1975-5-15 395 -2 Contra Costa on Hampton Rd ca 1.5 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  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
  POM11730  Medicago polymorpha Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  UC606736  Melica californica Edward Lee 1936-4-19 1957 Contra Costa ne shore Red Rock; San Francisco Bay Comment
  UC692465  Melica californica Mary L. Bowerman 1935-5-1 2941 Contra Costa 4.4 mi from Mount Diablo West Road (North Rd) entrance (North Gate); Mount Diablo 396 Comment
  CAS-BOT-BC281434  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mt Diablo. On slope SE-E along first W fork from Curry Creek trail 335 Comment
  SEINET186052 Image available Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mt. Diablo On slope SE-E along first west fork rom Curry Creek Trail. 335 Comment
  UC1784152  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mount Diablo, on slope SE-E, along first west fork from Curry Creek trail Comment
  CAS-BOT-BC281432  Melica imperfecta Walter Knight 1972-4-1 s.n. Contra Costa Mallard Slough between Port Chicago and Pittsburg Comment
  RSA0068496  Melica imperfecta Katie Gallagher, Nick Jensen 2014-4-26 178 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  JEPS75104  Melica torreyana W. L. Jepson 1918-6-5 7600 Contra Costa Donner Canyon; Mt. Diablo 533 Comment
  UC162940  Melica torreyana C. F. Baker 1903-4-28 2815 Contra Costa Mitchell's Canyon; Mt. Diablo Comment
  UC53660  Melica torreyana Jos. Burtt Davy 1899-4-19 7862 Contra Costa Las Trampas Creek Comment
  POM300623  Melica torreyana Mary L. Bowerman 1935-5-18 3024 Contra Costa Mount Diablo, Northwest facing slope across the road from, and a little east of, the parking area. 1067 Comment
  UCD161481  Melica torreyana A. A. Beettle 1941-3-28 1723 Contra Costa near Orinda. Comment
  JEPS112336  Melilotus indicus Dean G. Kelch and Andrew G. Murdock 2004-5-9 04 .207 Contra Costa Upper Edwards Canyon, Crockett, CA Contra Costa County, CA above Crockett Blvd. Comment
  JEPS65535  Melilotus indicus W. L. Jepson 1922-5-18 9644 Contra Costa North Berkeley Hills 152 Comment
  UC691474  Mentha spicata Mary L. Bowerman 1938-11-19 3733 Contra Costa Mitchell Canyon Mount Diablo (by stream); , Mitchell Canyon 228 Comment
  POM300997  Mentha spicata Mary L. Bowerman 1938-11-19 3733 Contra Costa Mitchell Canyon (at one of places where stream crosses road) 229 Comment
  JEPS112484  Mentha spicata var. spicata D. G. Kelch 2004-4-30 04 .159 Contra Costa Alhambra Valley Along Alhambra Valley Road 120 Comment
  UC19628  Mentzelia lindleyi unknown 1125 Contra Costa Hills n Coal Mine; Mt. Diablo Comment
  POM300650  Mentzelia micrantha Mary L. Bowerman 1933-5-2 1952 Contra Costa Below Pioneer Camp and slightly east: Chaparral-burn, south face. 762 Comment
  HSC101958  Micranthes californica Nikolaus Gillen, Michelle Bihler 2014-3-20 10 Contra Costa Mount Diablo State Park. Eagle Peak Trail. 649 Comment
  JEPS111703  Micropus californicus var. californicus D. G. Kelch 2004-4-30 04 .155 Contra Costa Mt. Wanda - Martinez 90 Comment
  UC1795729  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, grassy semishade at edge of oak woodland. 518 Comment
  UC35591  Micropus californicus var. californicus W. H. Brewer 1862-5-29 1180 Contra Costa Marsh's Ranch; Marsh's Ranch, Camp 71, Contra Costa Co. Comment
  CAS-BOT-BC348649  Micropus californicus var. subvestitus John Thomas Howell 1930-4-22 4746 Contra Costa Wildcat Canyon Comment
  CDA29517  Microseris douglasii D. G. Kelch, Troy MacGregor 2009-5-1 9 .285 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  CAS-BOT-BC348890  Microseris douglasii subsp. douglasii Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  JEPS36210  Microseris douglasii subsp. douglasii W. L. Jepson 1923-4-22 9880 Contra Costa Mount Diablo 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
  CAS-BOT-BC348894  Microseris douglasii subsp. douglasii K. L. Chambers 1953-4-25 449 Contra Costa Balfour Road, ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road. (Deer Valley Road.) On e. side of Mount Diablo Range Comment
  UC697216  Microseris douglasii subsp. tenella Mary L. Bowerman 1933-4-15 1847 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  CAS-BOT-BC349170  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Hot Springs Comment
  JEPS36177  Microseris sylvatica W. L. Jepson 1918-6-3 7590 Contra Costa Donner Canyon Mt. Diablo 304 Comment
  UC1051312  Mimulus aurantiacus N. Floy Bracelin 1941-6-22 1415 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS10227  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1918-6-5 7605 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS78822  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2164 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  UC76079  Mimulus aurantiacus var. aurantiacus Miss Carlotta Case July, 1904 Contra Costa Muir Station Comment
  UC691503  Mimulus grandis Mary L. Bowerman 1935-4-22 2880 Contra Costa 2 mi from West road (= North Rd.) entrance; Mount Diablo Comment
  UCD122684  Mimulus guttatus Carole Lembi 1964-3-1 5 Contra Costa Mt. Diablo Road, 5 miles from top of Mt. Diablo. 304 Comment
  JEPS9268  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC886241  Mimulus microphyllus Lewis S. Rose 1941-3-27 41064 Contra Costa 2 mi w Byron 60 Comment
  UC691740  Mimulus nasutus Mary L. Bowerman 1933-4-9 1834 Contra Costa w fork Dannor Canyon; Mount Diablo 243 Comment
  UC692295  Minuartia douglasii Mary L. Bowerman 1931-4-4 661 Contra Costa Turtle Rock Mount Diablo 447 Comment
  CAS-BOT-BC221679  Monardella douglasii John Thomas Howell 1942-7-19 17049 Contra Costa NE. of Deer Flat, Mt. Diablo Comment
  UC32611  Monardella douglasii Bolander 2499 Contra Costa Moraga Valley Comment
  UC691414  Monardella douglasii Mary L. Bowerman 1935-6-1 3106 Contra Costa second small ridge e Mitchell-Pine divide (bottom of s face); Mount Diablo 975 Comment
  UC2027752  Monardella douglasii subsp. douglasii Barbara Ertter with Mary Bowerman 1996-11-1 15408 Contra Costa North base of Mount Diablo, north end of Hetherington Trail along Donner Creek. Comment
  JEPS75499  Monardella villosa subsp. villosa P. F. Yorks 1974-6-16 180 Contra Costa ca. 1.6 km south of Bear Creek Road (on Hampton Road, north of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  UC2028367  Monardella villosa subsp. villosa Barbara Ertter 1998-6-20 16252 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, N-facing slope above Coyote Creek Comment
  CAS-BOT-BC327805  Monolopia gracilens Lewis S. Rose 1935-5-16 35166 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC349620  Monolopia major Sherwin Carlquist 1952-3-28 285 Contra Costa 7.2 miles west of Tracy Comment
Read comments
Feb 9 2019
  CHSC22932  Monolopia major Robert A. Schlising 1962-4-7 2143 Contra Costa Coast Ranges. S of Jct Empire Mine Road and Lone Tree Way; roadside. Comment
  UC90420  Monolopia major T. S. Brandegee May 1891 Contra Costa Antioch Comment
  CAS-BOT-BC349613  Monolopia major Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC444826  Montia fontana Mary L. Bowerman 1939-3-31 3736 Contra Costa Mount Diablo. Spring in bend of road to Barbecue Terrace (off South Road) Comment
  JEPS68945  Montia fontana Edward Lee 1935-2-10 1273 Contra Costa Wildcat Creek Berkeley, Berkeley Hills Comment
  UCD144308  Myoporum laetum G. F. Hrusa; D. Crowe 1998-5-8 14371 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. 2 Comment
  SEINET5624176 Image available Myosotis sylvatica Betsey Northman 1961-1 36 Contra Costa Berkeley Hills, U.C. property; Dirt road leading N. toward Strawberry Canyon area 91 Comment
  CAS-BOT-BC83286  Myosurus minimus H. L. Mason 1932-3-20 6854 Contra Costa Briones road. Comment
  CAS-BOT-BC83287  Myosurus minimus Herbert L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  CAS-BOT-BC83295  Myosurus minimus Peter H. Raven; D. Stone; H. L. Mason; R. Ornduff; et al. 1957-4-4 10584 Contra Costa 3.0 miles south of Byron. Comment
  UC1101328  Myosurus minimus Herbert L. Mason 1952-4-14 14262 Contra Costa 2.5 mi s 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
  UC1738082  Myosurus minimus D. E. Stone 1956-4-4 14296 C-6 Contra Costa 3 mi S of Byron (on road to Herdlyn) Comment
  UC1738102  Myosurus minimus D. E. Stone 1957-4-4 70 B Contra Costa 1 mi S of Byron ( on State 4) Comment
  SEINET5718492 Image available Myosurus minimus Roman Gankin 1958-1 s.n. Contra Costa Ca. 3 miles south of Byron.; Byron Comment
  UC1101333  Myosurus sessilis Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 mi s of Byron Comment
  JEPS112428  Myriophyllum aquaticum Christopher Thayer 1996-3-29 Contra Costa Pinole Creek, near intersection of Pinole Vally Rd and Castro Ranch Rd, on East Bay Municipal Utility District land Comment
  UCD18346  Myriophyllum sibiricum M. R. Bell 1950-10-9 s.n. 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
  CDA28809  Nassella cernua D. G. Kelch, Jessica Kolman 2009-5-3 9 .315 Contra Costa Carquinez Strait; Crockett; on hill south of 5th St. with transmission tower on sandstone outcrop. Comment
  UC1133134  Nassella cernua C. M. Belshaw 1936-5-9 2083 Contra Costa 1/2 mi n Nortonville (Plot 14); Mt. Diablo Comment
  UC691262  Nassella lepida Mary L. Bowerman 1932-4-27 1376 Contra Costa canyon w Riggs Canyon (e bank of stream, s face of ridge); Mount Diablo, Oyster Ridge 289 Comment
  UC691263  Nassella lepida Mary L. Bowerman 1935-6-28 3161 Contra Costa canyon w of meridian below place where pipe crosses (s base of peak); Mount Diablo, Meridian Peak 441 Comment
  CAS-BOT-BC259905  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa Mount Diablo. Oyster Ridge, canyon W of Riggs Canyon 335 Comment
  UC60254  Nassella pulchra J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  CAS-BOT-BC260129  Nassella pulchra Mary L. Bowerman 1933-5-11 2085 Contra Costa Mount Diablo. Inner Black Hills, W of saddle Comment
  CAS-BOT-BC260130  Nassella pulchra Mary L. Bowerman 1933-5-8 2030 Contra Costa Mount Diablo. N of Rock City campground Comment
  CAS-BOT-BC260132  Nassella pulchra L. R. Abrams 1921-5-25 8043 Contra Costa At spring 4.5 miles from Summit Mount Diablo Comment
  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
  JEPS116947  Navarretia heterandra David Gowen 2008-4-16 858 Contra Costa West end of Horse Valley. 146 Comment
  SEINET196200  Navarretia mellita Herbert L. Mason 1945-6-12 Contra Costa Ridge SE fo Mount.Diablo near summit of road up Marsh Creek. Comment
  UC2028260  Navarretia mellita Barbara Ertter 1999-6-12 16720 Contra Costa Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek. Comment
  UC908171  Navarretia mellita Herbert L. Mason 1945-6-12 12588 Contra Costa se of Mount Diablo (near summit of road up Marsh Creek) Comment
  UC30206  Navarretia pubescens W. H. Brewer 1862-5-19 1113 Contra Costa n of Kirkers Pass Comment
  UC30208  Navarretia pubescens W. H. Brewer 1862-5-15 1096 Contra Costa Kirker's Pass Comment
  UCR197889  Navarretia squarrosa Beecher Crampton 1949-6-26 474 Contra Costa Between Pinole and San Pablo, along US Hwy 40 [80], above Garrity Creek 30 Comment
  UCD48667  Navarretia squarrosa B. Crampton 1950-9-22 621 Contra Costa Found in a large stand, vacant lot 1 mile North of Richmond, Contra Costa Co., Calif. Comment
  UC124923  Navarretia viscidula Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  CAS-BOT-BC7190  Nemophila decumbens M. K. Curran 1883-5-1 s.n. Contra Costa Mt. Diablo 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
  JEPS75500  Nemophila heterophylla P. F. Yorks 1974-4-6 128 Contra Costa on Hampton Road in Hampton Road Natural Reserve ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 180 Comment
  SJSU6099  Nemophila heterophylla C. O. Dudley 1966-3-30 Contra Costa Briones Hills 10 mi SW of Martinez Comment
  UC1377695  Nemophila heterophylla W. J. Dress 1951-2-24 3021 Contra Costa ca 1 mi nw of n gate Mt. Diablo State Park; nw of north gate Mt. Diablo State Park Comment
  UC24164  Nemophila heterophylla J. Burtt Davy 1895-4-7 907 Contra Costa Antioch Comment
  UC517484  Nemophila heterophylla John Thomas Howell 1933-5-14 11218 Contra Costa hills e St. Mary's College; hills e of St. Mary's College Comment
  UC592124  Nemophila heterophylla H. L. Mason 1928-4-29 4430 Contra Costa Sycamore Canyon , Sycamore Canyon (s slope Mount Diablo) Comment
  UC592192  Nemophila heterophylla H. L. Mason 1929-3-15 5052 Contra Costa Nortonville; on grassy hillslopes Comment
  UC727741  Nemophila heterophylla Milo S. Baker 1946-4-20 11328 Contra Costa summit s Clayton; Summit s of Clayton Comment
  PASA2111  Nemophila heterophylla Annetta Carter 1929-3-29 Contra Costa near Clayton Comment
  POM65297  Nemophila heterophylla C. F. Baker 1903-4-28 2812 Contra Costa Mitchell s Canyon, Mt. Diablo. Comment
  SEINET3156480  Nemophila insignis L. S. Rose 1941-3-13 41029 Contra Costa 3 miles W of Byron 30 Comment
  JEPS100012  Nemophila maculata G. Smick 2003-5-5 GAS 172 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site 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
  JEPS111831  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .96 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 115 Comment
  POM300990  Nicotiana bigelovii Mary L. Bowerman 1936-6-20 3416 Contra Costa Ridge west of Mount Zion, west side. 213 Comment
  CAS-BOT-BC233455  Nicotiana glauca Ira L. Wiggins 1930-4-18 4604 Contra Costa East end of Jersey Island Comment
  UC651281  Nicotiana glauca Ira L. Wiggins 1930-4-18 4604 Contra Costa e end Jersey Island Comment
  UCD164893  Nicotiana glauca Henry House 1995-4-30 1995- 2 Contra Costa About 1.25 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  CDA3508  Nigella damascena J. de Fremery, C. Beutler 1974-6-18 Contra Costa Brentwood Road at Southern Pacific railroad tracks, Brentwood. 0 Comment
  UC691645  Nuttallanthus texanus Mary L. Bowerman 1932-4-16 1340 a Contra Costa Eagle Point ridge just s of Twin Peaks (Mount Diablo); , Eagle Point Comment
  CAS-BOT-BC140360  Oemleria cerasiformis Alice Eastwood 1915-5-30 4459 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC235130  Oemleria cerasiformis James R. Shevock 2012-8-12 40657 Contra Costa San Francisco Bay Region. Tilden Regional Park, East Bay Regional Park District. Along Grizzly Peak Trail about midway between the upper and lower trailheads 448 Comment
  CAS-BOT-BC140362  Oemleria cerasiformis Volney Rattan 1883-4-1 s.n. Contra Costa Martinez Comment
  CHSC69645  Oenothera deltoides subsp. cognata James D. Jokerst 1988-4-26 3003 Contra Costa Town of Oakly, E and adjacent to Hwy. 4, N of Cypress Rd., between highway and railroad tracks. Comment
  CDA38155  Oenothera deltoides subsp. cognata F. J. Brucato 1962-5-2 s.n. Contra Costa Knightsen; Sunset and Eden Plains Rd. 0 Comment
  CDA38166  Oenothera deltoides subsp. cognata Harry Spanglet 2008-7-1 s.n. Contra Costa West side of Emerson Ranch (Emerson Tract?), nr. Oakley, part of DWR s Dutch Slough Restoration Project. 0 Comment
  CAS-BOT-BC171588  Oenothera deltoides subsp. howellii J. H. Thomas 1953-4-25 3004 Contra Costa Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge Comment
  CAS-BOT-BC171591  Oenothera deltoides subsp. howellii P. A. Munz 1949-6-1 14436 Contra Costa Sand dunes east of Antioch. Comment
  CAS-BOT-BC171586  Oenothera deltoides subsp. howellii W. M. Klein 1958-6-9 433 Contra Costa Sandhills north of Antioch along the San Joaquin River channel. 1 Comment
  RSA119394  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 440 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  SDSU8854  Oenothera ovata J. Godsil 1952-4-8 158 Contra Costa El Sobrante, hills toward Pinole. 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
  CAS-BOT-BC502761  Orobanche bulbosa A. D. E. Elmer 1903-6-1 5097 Contra Costa Mount Diablo Comment
  UC444919  Orobanche californica subsp. feudgei T. S. Brandegee June 1884 Contra Costa Antioch. Comment
  UC887954  Orobanche fasciculata Lewis S. Rose 1941-5-15 41243 Contra Costa Mt. Diablo, near summit. Comment
  UC1819031  Orobanche uniflora Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13945 Contra Costa Mount Diablo State Park, steep west-facing bank with outcrops near weir at mouth of Mitchell Canyon. Comment
  UC27900  Orobanche uniflora subsp. occidentalis W. H. Brewer 1862-5-23 1152 Contra Costa SE of Mount Diablo. Comment
  RSA516499  Orthocarpus erianthus Robert F. Hoover 1938-2-27 2783 Contra Costa Danville. Comment
  SEINET10549718  Orthocarpus purpurascens John T. Middleton 1936-4-18 Middleton 134 Contra Costa Deer valley. Comment
  HSC16707  Oxalis oregana D. A. Shally 1965-4-18 37 Contra Costa Canyon 1 mi. N of Canyon Store Comment
  RSA721592  Papaver californicum Mary L. Bowerman 1978-5-14 s.n. Contra Costa Mount Diablo. E side of Eagle Peak, old mine wagon trail up Black Canyon. Comment
  SEINET183704  Papaver heterophyllum L. Constance 1938-4-5 2193 Contra Costa NW base of Mount Diablo, 6 miles SE of Walnut Creek, Coast Ranges. Comment
  SJSU6411  Papaver heterophyllum G. C. Dudley 1966-5-1 112 Contra Costa Reliez Valley, Briones Hills, N of Lafayette Comment
  UC2028377  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
  UC1818917  Paspalum distichum Barbara Ertter 1995-9-30 14524 Contra Costa North bank of Cerrito Creek at end of Yosemite Avenue in El Cerrito, foot of Albany Hill; stonework bank at edge of overgrown sluggish creek. Comment
  UC2028559  Paspalum distichum Barbara Ertter with Chris Thayer 1996-10-25 15366 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park. Comment
  UCD88942  Paspalum distichum E. K. Stillwell 1967-7-17 s.n. Contra Costa Brentwood. Comment
  UC1789178  Passiflora tarminiana Barbara Ertter 1999-9-17 16846 Contra Costa south edge of El Cerrito at northeast base of Albany Hill, edge of paved lot at southwest corner of junction San Pablo Avenue and Carlson Avenue, near Cerrito Creek. Comment
  UC573059  Pectocarya pusilla H. L. Mason 1929-4-25 5210 Contra Costa Briones Rd to Antioch Comment
  CDA41866  Pedicularis densiflora D. G. Kelch, A. G. Murdock 2003-3-21 3 .041 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  CHSC28128  Pedicularis densiflora R. A. Emmrich 1975-3-14 97 Contra Costa Ca. 1/2 mi w of Ranger Station no. 2 and 10 yds n of Diablo Rd., Mount Diablo State Park. 1127 Comment
  JEPS10358  Pedicularis densiflora W. L. Jepson 1923-2-18 9845 Contra Costa Las Trampas Ridge Comment
  UCSB11198  Pedicularis densiflora Hayes, Judy 1961-3-30 Contra Costa 3 miles N of South Gate of Mount Diablo State Park 670 Comment
  JEPS65608  Pediomelum californicum W. L. Jepson 1922-5-23 9657 Contra Costa near very summit Mt. Diablo 1170 Comment
  JEPS65611  Pediomelum californicum F. T. Bioletti May, 1894 Contra Costa Mt. Diablo Comment
  UC198950  Pediomelum californicum H. M. Hall and F. M. Essig 1916-5-31 10133 Contra Costa Summit Mount Diablo Comment
  JEPS112054  Pellaea andromedifolia A. G. Murdock 2003-2-21 68 Contra Costa Mt. Wanda - Martinez Chaparral, west border of Mt. Wanda property. 120 Comment
  UC692118  Pellaea andromedifolia Mary L. Bowerman 1930-8-24 428 Contra Costa lower trail Mitchell Canyon; Mt Diablo 259 Comment
  UC903300  Pellaea andromedifolia Ethel Crum 1930-4-14 571 Contra Costa Mitchell Canyon; Mt Diablo Comment
  RSA686984  Pellaea mucronata Mark Morris 1929-03 14909 Contra Costa Mount Diablo, Contra Costa Comment
  JEPS17394  Penstemon centranthifolius Rimo Bacigalupi with G. T. Robbins 1955-5-4 4984 Contra Costa about 1 1/4 mi e Antioch (near the San Joaquin River); near San Joaquin River, e of Antioch 9 Comment
  NY583852  Penstemon centranthifolius A. Kellogg 1869-4-8 680 Contra Costa Antioch Comment
  POM14647  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch. Comment
  UC566668  Penstemon centranthifolius H. L. Mason 1929-3-31 5156 Contra Costa sand dike along San Joaquin River (Antioch); sand dike along San Joaquin River, Antioch Comment
  UC75108  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch Comment
  UCD124087  Penstemon centranthifolius M. Wiesendanger 1925-5-1 1481 Contra Costa San Miguel. Comment
  RSA0027922  Penstemon heterophyllus subsp. purdyi Barbara J. Ertter 1998-4-4 15972 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill. Comment
  UC1481542  Penstemon heterophyllus var. purdyi Neil Havlik 1980-6-26 941 Contra Costa e side of Siesta Valley in a small ravine e side of Siesta Valley Comment
  UC2028143  Penstemon heterophyllus var. purdyi Barbara Ertter 1998-4-4 15972 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill. Comment
  UC34652  Pentachaeta alsinoides Chesnut and Drew 1889-4-16 Contra Costa Martinez Comment
  JEPS116694  Pentachaeta alsinoides David Gowen 2006-5-19 581 Contra Costa Mount Diablo; Knobcone Point Rd. where road makes turn southwest of Cave Point. Comment
  UCD137784  Pentagramma triangularis Herbert L. Mason 1924-11-23 1163 Contra Costa Las Trampas Ridge via Cashion. Comment
  UC1818960  Perideridia kelloggii Barbara Ertter, Kristin Ertter 1995-7-11 14481 Contra Costa Dried meadow on heavy clay soil downstream from Pine Pond (in Mt. Diablo State Park) 182 Comment
  CAS-BOT-BC413497  Persicaria amphibia Mary L. Bowerman 1935-9-13 3339 Contra Costa Mount Diablo. Hidden Pond Comment
  CAS-BOT-BC413778  Persicaria lapathifolia D. E. Breedlove 1969-10-18 16719 Contra Costa Along Alhambra Valley Road near junction with Bear Creek Road, SE of Pinole Comment
  CAS-BOT-BC419323  Persicaria punctata Walter Knight 1965-9-7 1191 Contra Costa San Joaquin River - Antioch Sand Dunes Comment
  JEPS1458  Phacelia breweri Mary L. Bowerman 1935-4-26 2898 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1021 Comment
  UC162556  Phacelia breweri H. M. Hall 1901-4-5 1748 Contra Costa Mt. Diablo Region of San Francisco Bay 853 Comment
  UC198967  Phacelia breweri H. M. Hall and F. M. Essig 1916-5-31 10140 Contra Costa slopes s summit (type locality); Mount Diablo 1130 Comment
  UC880994  Phacelia breweri H. M. Evans 1921-4-30 Contra Costa Mt. Diablo Comment
  POM118167  Phacelia breweri H. M. Hall, F. M. Essig 1916-5-31 10140 Contra Costa Mount Diablo, south of the summit. 1130 Comment
  UC671751  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa margin of San Francisco Bay Point Richmond 15 Comment
  UC901820  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg Comment
  UCD32388  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa Contra Costa County, between Concord Valley and Pittsburg, steep hillside of southern exposure in road cut along state highway 4. 152 Comment
  UC2022567  Phacelia ciliata Lewis S. Rose 1932-3-15 3281 Contra Costa Byron Comment
  POM204460  Phacelia ciliata J. T. Howell 1933-3-29 10915 Contra Costa Near Pittsburg. 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
  JEPS68958  Phacelia ciliata var. ciliata Edward Lee 1935-3-10 1290 Contra Costa Kirker Pass, Donovan Road, west watershed of Kirker's Creek Kirker Pass; , Donovan Road Comment
  JEPS111829  Phacelia distans D. G. Kelch 2005-4-15 05 .141 Contra Costa Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump) 100 Comment
  UC1084393  Phacelia distans G. Thomas Robbins 1937-4-25 143 Contra Costa along roadside to summit of Mt. Diablo Comment
  UCD102384  Phacelia distans Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 960 Comment
  UC35545  Phacelia divaricata F. P. McLean 1800-1 Contra Costa Mt. Diablo Comment
  JEPS108316  Phacelia imbricata David Gowen 2005-5-28 393 Contra Costa Mt. Diablo State Park. Just east of Prospectors Gap on dirt road. Comment
  JEPS2162  Phacelia imbricata subsp. imbricata W. L. Jepson 1923-6-10 9989 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  POM300985  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Muir Area. 1006 Comment
  POM310991  Phacelia phacelioides Lincoln Constance, C. W. Sharsmith, H. S. Reed 1940-4-27 2574 Contra Costa North of Juniper Camp, Mount Diablo 762 Comment
  SFV3029  Phacelia phacelioides L. Constance, C. W. Sharsmith, H. S. Reed 1940-4-27 2574 Contra Costa North Coast Ranges Mount Diablo, north of Juniper Camp. 762 Comment
  UC198955  Phacelia phacelioides H. M. Hall and F. M. Essig 1916-5-31 10135 Contra Costa on embankments along a new road Mount Diablo 1140 Comment
  CDA28836  Phacelia tanacetifolia D. G. Kelch, Jessica Kolman 2009-5-29 9 .308 Contra Costa Carquinez Strait; Pinole Valley Park, near ridgetop. Comment
  SEINET3158353  Phacelia tanacetifolia L. S. Rose 1933-4-17 33091 Contra Costa Antioch Comment
  UC672349  Phacelia tanacetifolia Herbert L. Mason 1929-3-31 5140 Contra Costa hills n Mt. Diablo (Briones Rd) Comment
  UC881269  Phacelia tanacetifolia Alice Eastwood 1914-3-14 3804 Contra Costa Byron Springs Comment
  CDA2278  Phalaris aquatica T. C. Fuller 1961-9-13 7003 Contra Costa Byron-Tracy Hwy (Hwy J4), 0.1 mile north of Delta-Mendota Canal. 0 Comment
  CAS-BOT-BC265962  Phalaris minor John Thomas Howell 1933-5-14 11234 Contra Costa St. Mary's College Comment
  UC692377  Phalaris minor Mary L. Bowerman 1932-4-27 1402 Contra Costa canyon w Riggs Canyon, Mount Diablo (Oyster Ridge, s face); Mount Diablo, s face Oyster Ridge 350 Comment
  UC697140  Phalaris minor Mary L. Bowerman 1934-4-21 2533 Contra Costa Muir Area Mount Diablo (on 1931 burn); , Muir Area Comment
  CAS-BOT-BC265960  Phalaris minor Mary L. Bowerman 1933-4-15 1849 Contra Costa Canyon south of Arrroyo del Cerro, Mount Diablo Comment
  JEPS127665  Phalaris paradoxa Barbara Ertter with David Gowen and Michael Park 2017-5-2 22809 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC1132440  Phalaris paradoxa C. M. Belshaw 1936-5-13 2122 Contra Costa se Deer Valley (Plot 37); Mt. Diablo Quad. Comment
  UC768491  Phalaris paradoxa R. F. Hoover 1937-5-14 2123 Contra Costa Byron Hot Springs Comment
  UCD146719  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14368 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 15 Comment
  CAS-BOT-BC250684  Phalaris paradoxa R. E. Frenkel 1964-4-18 428 Contra Costa 2.1 miles E. of Danville on Tassajara Road 129 Comment
  JEPS100003  Philadelphus G. Smick 2003-5-1 GAS 157 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS71095  Phlox gracilis W. L. Jepson 1923-3-11 9846 Contra Costa Black Hills Mt. Diablo 396 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
  PASA2099  Pholistoma membranaceum Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  UC1618238  Phoradendron villosum Barbara Ertter, Lynne Hosley 1992-8-29 11264 Contra Costa e Mt. Diablo (Morgan Territory Regional Preserve, along Condor Trail); Morgan Territory Regional Preserve Comment
  UC6098  Phoradendron villosum W. C. Blasdale 1891-3-7 Contra Costa San Pablo Creek Comment
Read comments
May 25 2011
  UC692036  Phoradendron villosum Mary L. Bowerman 1930-6-22 358 Contra Costa on flat above Mitchell Canyon (Mount Diablo); Mount Diablo Comment
  UC692037  Phoradendron villosum Mary L. Bowerman 1932-10-22 1636 Contra Costa flats at base of North Peak Mt. Diablo (rd. to Quicksilver Mine) Comment
  RSA0029680  Phyla nodiflora var. nodiflora Barbara Ertter, Tony Morosco 1998-9-18 16429 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, unmined land near north quarry area [subsequently developed]. 122 Comment
  UC1789168  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, single well-established clump at base of river bank. Comment
  SD241704  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. Comment
  CAS-BOT-BC202273  Pickeringia montana var. montana A. D. E. Elmer 1903-5-1 4315 Contra Costa Mount Diablo Comment
  UC1129854  Pickeringia montana var. montana R. W. Lundh 1932-8-27 149 Contra Costa 1 1/2 mi w Cave Point; Mt. Diablo Quadrangle 487 Comment
  UC692692  Pickeringia montana var. montana Mary L. Bowerman 1931-5-2 793 Contra Costa Eagle Point Ridge Mount Diablo (n end) Comment
  CAS-BOT-BC202277  Pickeringia montana var. montana W. W. Carruth 1891-5-1 s.n. Contra Costa Moraga Valley Comment
  POM210012  Pilularia americana Katherine Brandegee 1909-4-24 s.n. Contra Costa Between Antioch and Marsh Creek, Briones Road Comment
  JEPS47899  Pinus attenuata W. L. Jepson 1909-9-1 Contra Costa Mortaga Ridge Comment
Read comments
Aug 18 2011
  UC692077  Pinus attenuata Mary L. Bowerman 1932-3-20 1121 Contra Costa ne fork, toward top of middle ridge Sycamore Canyon Comment
  UCD50248  Pinus attenuata Howard Ferris 2004-8-18 s.n. Contra Costa Flicker Ridge, Contra Costa County. 318 Comment
  JEPS46810  Pinus coulteri W. L. Jepson 1931-4-5 15726 Contra Costa Nortonville Comment
  JEPS47870  Pinus coulteri W. L. Jepson 1909-6-25 3117 Contra Costa Mt. Diablo Comment
  RSA32648  Pinus coulteri C. B. Wolf, Allen L. Chickering, H. L. Mason 1943-2-28 11442 Contra Costa 1 mile SW of the old coal mining settlement of Nortonville at the Northern base of Mt. Diablo hills. 305 Comment
  JEPS48208  Pinus sabiniana W. L. Jepson 1909-6-25 3119 Contra Costa Mt. Diablo Comment
  JEPS48211  Pinus sabiniana W. L. Jepson 1901-10-12 1749 Contra Costa Mitchell Canon Mt. Diablo, Mitchell Canon Comment
  UC1076352  Pinus sabiniana Herbert L. Mason 1929-10-8 5481 Contra Costa Nortonville Comment
  UC521715  Pinus sabiniana Joseph Andorfer Ewan 1933-10-15 8039 Contra Costa on grassy open sw slope of Mt. Diablo Mt. Diablo 1066 Comment
  UC692100  Pinus sabiniana Mary L. Bowerman 1933-5-10 2070 Contra Costa 100 ft below Muir Area Comment
  UC1819070  Piptatherum miliaceum Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13940 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, on east side of stream not far from trail head. 182 Comment
  UC2028436  Piptatherum miliaceum Barbara Ertter with Chris Thayer 1996-10-25 15353 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park Comment
  JEPS127046  Plagiobothrys Lowell Ahart, Josephine Guardino 2016-4-19 20770 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
  RSA565113  Plagiobothrys acanthocarpus Wm. Taylor 1992-4-16 12390 Contra Costa S of Bryan Hot Springs, in swale draining on E margin of [the township and range] 46 Comment
  RSA755523  Plagiobothrys acanthocarpus Barbara Ertter 1992-3-8 10912 Contra Costa Contra Loma Regional Park; vernally wet flat northeast of bend in Frederickson Lane. Comment
  SEINET12343274  Plagiobothrys bracteatus Ottley 1920-4-25 448 Contra Costa entrance to Mitchell Canon, Mt. Diablo 198 Comment
  UC2070494  Plagiobothrys bracteatus Barbara Ertter 2001-3-18 17568 Contra Costa Shell Ridge Open Space SW of Walnut Creek, Hammmill/Corral Spring Trail north of Ginder Gap. Comment
  UC517994  Plagiobothrys canescens Lewis S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  SEINET8731527 Image available Plagiobothrys canescens Lewis S. Rose 1933-1 33046 Contra Costa Pittsburg. 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
  CDA40676  Plagiobothrys humistratus Jim Jokerst 1989-3-29 3066 Contra Costa 0.25 mile south of Byron Hot Springs, northeast of Livermore. 0 Comment
  UC766406  Plagiobothrys infectivus R. F. Hoover 1941-4-12 4835 Contra Costa 1 mi n Lone Tree Valley Comment
  POM368871  Plagiobothrys nothofulvus H. de Forest 1930-3-28 s.n. Contra Costa Contra Costa County Comment
  UCSB39472  Plagiobothrys nothofulvus Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the N end of Ball Rd.; in Shell Ridge Open Space Area; SE of the rock quarry 121 Comment
  RSA666369  Plagiobothrys stipitatus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8120 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  JEPS61072  Plagiobothrys stipitatus var. micranthus E. L. Greene 1889-3-24 Contra Costa Byron Comment
  RSA0069382  Plagiobothrys stipitatus var. micranthus Katie Gallagher, Nick Jensen 2014-4-26 207 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  JEPS88008  Plagiobothrys stipitatus var. stipitatus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8120 Contra Costa ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  UC1301093  Plagiobothrys stipitatus var. stipitatus Helen K. Sharsmith 1963-4-7 5296 Contra Costa near Byron; San Francisco Bay Region 7 Comment
  JEPS116832  Plagiobothrys undulatus David Gowen 2007-5-8 707 Contra Costa Briones Regional Park, in vernal depression northeast of Sindicich Lagoon. Comment
  SEINET3854794 Image available Plantago bigelovii Lewis S. Rose 1933-3-29 33040 Contra Costa Nortonville. Comment
  POM283866  Plantago bigelovii subsp. bigelovii Annetta Carter 1933-4-9 291 Contra Costa About 2 miles southwest of Nortonville. Comment
  CHSC106715  Plantago erecta Barbara Ertter; Jim Jokerst, Dave Magney 1989-4-5 8141 Contra Costa Alkali sink W and adjacent to CLifton Forebay, ca 15 air miles SW of Stockton, near sea level. Comment
  JEPS111993  Plantago erecta D. G. Kelch 2004-4-11 04 .62 Contra Costa Crockett - 5th St. Prairie 85 Comment
  JEPS6407  Plantago erecta W. L. Jepson 1923-4-22 9872 Contra Costa Mt. Diablo Comment
  JEPS6441  Plantago erecta W. L. Jepson 1922-5-11 9637 Contra Costa North Berkeley Hills Comment
  PASA26  Plantago erecta Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC2032844 Image available Plantago erecta Doran, Andrew Scott 2012-3-20 715 Contra Costa Trail down from highest point of Brooks Island. South east part of Island. Comment
  CDA37283  Plantago major D. G. Kelch 2011-3-31 11 .076 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  JEPS111994  Plantago major D. G. Kelch 2004-4-24 04 .103 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  JEPS87217  Plantago major Lauramay T. Dempster 1991-6-15 Contra Costa Orinda; 15 El Toyonal Comment
  UC28020  Plantago maritima var. juncoides W. H. Brewer 1862-4-25 997 Contra Costa Martinez Comment
  JEPS78614  Plantago subnuda Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3298 Contra Costa Botany Cove, Browns Island Comment
  SJSU7798  Plantago subnuda G. A. Samuelson 1955-5-22 Contra Costa McAvoy Boat Harbor, McAvoy Comment
  CAS-BOT-BC91605  Platystemon californicus John Thomas Howell 1933-5-14 11277 Contra Costa Hills east of Saint Mary's College. Comment
  LA206263  Platystemon californicus Lewis S. Rose; 1941-3-27 41065 Contra Costa 2 mi. W of Byron 60 Comment
  UC101598  Platystemon californicus Katharine Brandegee 1907-5-5 d Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC1126493  Platystemon californicus R. C. Wilson 1935-3-26 143 Contra Costa 2 mi n Walnut Creek; Concord Quad. Comment
  JEPS6155  Plectritis brachystemon L. T. Dempster 1954-5-29 P 14 Contra Costa Orinda, Canyon Drive Orinda; , Canyon Drive Comment
  PASA293  Plectritis ciliosa Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC2027803  Plectritis ciliosa Barbara Ertter with Holly Forbes 1997-4-20 15556 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  JEPS12782  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-4 4975 Contra Costa s of and above Nortonville ((site)) 304 Comment
  JEPS14520  Plectritis macrocera L. T. Dempster 1956-5-26 1003 Contra Costa above Overhill Court (Orinda); Orinda Comment
  JEPS5120  Plectritis macrocera Mary L. Bowerman 1931-3-29 621 Contra Costa Mount Diablo, East Cave Point Ridge East Cave Point Ridge; Mount Diablo, East Cave Point Ridge Comment
  PASA292  Plectritis macrocera Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UCD90183  Pleuropogon californicus R. Tofsrud 1946-4-1 s.n. Contra Costa 1/2 mile south of Pacheco Comment
  JEPS111673  Pluchea odorata var. odorata D. G. Kelch 2003-8-13 03 .96 Contra Costa Martinez Marsh 0 Comment
  UCD159502  Pluchea odorata var. odorata D. S. Park 2010-9-11 251 -1 Contra Costa Waterfront Rd. Growing in ditch along roadside. Disturbed. Wet. 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
  UC1024731  Poa annua Leo Whitney 1935-4-21 3059 Contra Costa Corral Hollow Comment
  UC691192  Poa annua Mary L. Bowerman 1933-3-25 1764 Contra Costa off Stone Valley Emmons Canyon; Mt. Diablo Comment
  CDA35481  Poa bulbosa Ed Finley 1992-4-9 PDR# 962398 Contra Costa Morgan Territory Regional Preserve, near Mt. Diablo. 0 Comment
  CAS-BOT-BC246644  Poa howellii John Thomas Howell 1933-5-14 11256 Contra Costa Hills east of St. Mary's College Comment
  UC606727  Poa howellii Edward Lee 1936-4-19 2007 Contra Costa ne slope of island Red Rock; San Francisco Bay Comment
  UC912661  Poa howellii Herbert L. Mason 1928-4-15 4350 Contra Costa e end Moraga Ridge Comment
  UCD91129  Poa howellii P. B. Kennedy 1916-1 s.n. Contra Costa Pinehurst. Comment
  UCD91141  Poa howellii G. L. Stebbins Jr. 1936-4-18 1539 Contra Costa head of Curry Canyon, SE side of Mt. Diablo. Comment
  CDA33806  Poa howellii D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .109 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  POM224442  Poa infirma Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Antioch Comment
  POM300628  Poa secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Alder Canyon 732 Comment
  SD34464  Poa secunda A. A. Beetle 1941-3-28 1721 Contra Costa Orinda, open sandy cut Comment
  CAS-BOT-BC236397  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 s.n. Contra Costa Antioch Comment
  UC691174  Poa secunda subsp. secunda Mary L. Bowerman 1932-3-27 1140 Contra Costa below Mitchell Rock; Mt Diablo Comment
  UC70972  Poa secunda subsp. secunda unknown Contra Costa Region of Mt Diablo Comment
  UCD90795  Poa secunda subsp. secunda Beecher Crampton 1956-5-14 3387 Contra Costa 6.7 miles SW of Antioch, between old coal mining towns of Somersville and Nortonville. Comment
Read comments
Jul 1 2011
  CAS-BOT-BC236393  Poa secunda subsp. secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Mount Diablo. [Indian Ceremonial] Canyon: flat a little below and across the stream from the spring 731 Comment
  JEPS112475  Pogogyne serpylloides D. G. Kelch 2005-3-25 05 .78 Contra Costa Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 150 Comment
  JEPS128782  Pogogyne serpylloides Kevin Hintsa 1999-5-25 Contra Costa Mount Diablo State Park, on Meridian Ridge Road a few yards from Deer Flat. Comment
  UC691728  Pogogyne serpylloides Mary L. Bowerman 1938-5-28 3639 Contra Costa North road 5.4 miles from North Gate 457 Comment
  JEPS62482  Pogogyne zizyphoroides Chestnut and Drew 1889-4-18 Contra Costa Antioch Comment
  OBI13587  Pogogyne zizyphoroides Robert F. Hoover 1967-4-28 10504 Contra Costa Byron Hot Springs Comment
  UC692156  Polygonum amphibium Mary L. Bowerman 1935-9-13 3339 Contra Costa Hidden Pond Mount Diablo 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
  UC692128  Polygonum aviculare subsp. aviculare Mary L. Bowerman 1930-10-4 475 Contra Costa Maple Spring Mount Diablo Comment
  CDA31465  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-8-12 6 .376 Contra Costa Carquinez Strait; Martinez. Along Alhambra Creek near train station. Comment
  UC1478302  Polypodium Alan R. Smith with Tom Lemieux 1981-11-19 827 Contra Costa n slope Mt. Diablo (creekside ravine along North Gate Rd, 3.6 mi w of (below) Park HQ (South Gate Rd. junction)); Mt. Diablo State Park 640 Comment
  JEPS41052  Polypodium calirhiza Rimo Bacigalupi and L. R. Heckard 1965-5-11 9077 Contra Costa At base of south-facing cliff on south side of Brooks Island (in San Francisco Bay southwest of Richmond). Comment
  UC1446049  Polypodium calirhiza Alan Smith with Ed Lee 1979-4-25 731 Contra Costa n side Mt. Diablo Peak (trail beyond Devil's Elbow toward saddle between Mt. Diablo and North Peak) 1066 Comment
  RSA760664  Polypodium calirhiza William J. Ferlatte, L. Maynard Moe 1970-4-27 1235 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CAS-BOT-BC233017  Polypogon interruptus L. R. Abrams 1916-6-30 5714 Contra Costa Mount Diablo, near lake Comment
  CDA2351  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay 0 Comment
  SBBG689  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay Comment
  UC50633  Polypogon monspeliensis Jos. Burtt Davy 1897-9-4 4079 Contra Costa Stege Comment
  UC790996  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa San Francisco Bay Point Richmond; , Point Richmond Comment
  UCD37370  Polypogon monspeliensis Beecher Crampton 1959-9-3 5453 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  UCR2722  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay Comment
  SD34474  Polypogon monspeliensis A/. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francicso Bay, wet sandy places Comment
  SEINET10593596  Polypogon monspeliensis Alan A. Beetle 1941-6-24 Beetle 1750 Contra Costa Point Richmond on SanFrancisco Bay, common in wet sandy places Comment
  JEPS102910  Polystichum Barbara Ertter with Susan D'Alcamo 1998-6-12 16194 Contra Costa E end of Bald Ridge Tail W of Prospectors Gap Mount Diablo Comment
  CDA23603  Polystichum munitum D. G. Kelch 2008-2-24 8 .015 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  UC1063673  Polystichum munitum R. W. Lundh 1933-3-6 211 Contra Costa 1/2 mi w Eastport; Concord Quadrangle Comment
  JEPS100004  Populus fremontii A. Langston 2003-9-16 AL 91 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC406993  Populus fremontii subsp. fremontii Ira L. Wiggins 1930-4-18 4602 Contra Costa se side Jersey Island (Levee bank); se side of Jersey Island Comment
  CAS-BOT-BC105622  Populus trichocarpa Alice Eastwood 1915-6-21 4727 Contra Costa San Leandro Comment
  CDA29217  Potentilla glandulosa D. G. Kelch 2006-5-7 9 .153 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CAS-BOT-BC144847  Potentilla rivalis Virginia I. Dains; Walter Knight 1986-8-8 5494 Contra Costa Jct Rock S1 & Werner Cut 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
  CAS-BOT-BC508635  Prosartes hookeri Mary L. Bowerman 1933-4-22 1888 Contra Costa Curry-Cave Point Trail 426 Comment
  JEPS112076  Prunus dulcis D. G. Kelch 2003-3-21 03 .43 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC1819021  Prunus dulcis Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14642 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; packed ground of trailside. Comment
  JEPS44968  Prunus subcordata W. L. Jepson 1907-4-26 2648 c Contra Costa Mitchell Canyon Mt Diablo Comment
  UC691124  Prunus subcordata Mary L. Bowerman 1932-4-9 1334 Contra Costa Mount Diablo, Muir Area Mount Diablo; , Muir Area Comment
  UC2013024  Pseudognaphalium californicum Barbara Ertter 1990-5-19 8994 Contra Costa Lafayette Ridge of Briones Regional Park N of Lafayette. Comment
  UC2028004  Pseudognaphalium canescens Barbara Ertter with Amy Rusev 1998-1-17 15901 Contra Costa edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  UC1618328  Pseudognaphalium luteoalbum Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10701 Contra Costa w end of island n Pittsburg (near confluence of Sacramento and San Joaquin river opposite Pittsburg Marina); Browns Island Comment
  UC1795766  Pseudognaphalium luteoalbum Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14228 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  HSC5690  Pseudognaphalium luteoalbum Greg Bos 1963-4-10 71 Contra Costa Richmond, El Cerrito Hills. E and, W slope 76 Comment
  UC1818943  Pseudognaphalium thermale Barbara Ertter, Gary Schoolcraft 1996-4-7 14569 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland on ridge southwest-facing slope. Comment
  UC552339  Psilocarphus oregonus Lucile R. Mason 1935-4-9 Contra Costa Marsh Creek Comment
  UC88451  Psilocarphus oregonus T. S. Brandegee May 1886 Contra Costa Antioch Comment
  JEPS111756  Psilocarphus tenellus D. G. Kelch 2005-5-1 05 .204 Contra Costa Crockett - Edwards Canyon 100 Comment
  CAS-BOT-BC361878  Psilocarphus tenellus John Thomas Howell 1930-4-22 4748 Contra Costa Bald Peak Comment
  RSA0068481  Psilocarphus tenellus Katie Gallagher, Nick Jensen 2014-4-26 194 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  RSA31229  Psilocarphus tenellus var. tenellus Joseph A. Ewan 1936-5-3 9497 Contra Costa Wildcat Creek near Orinda road bridge. 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-BC148634  Ptelea crenulata Rimo Bacigalupi 1926-4-30 1354 Contra Costa Near summit of Mt. Diablo Comment
  CAS-BOT-BC148641  Ptelea crenulata H. E. McMinn 1922-10-1 409 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  JEPS112112  Ptelea crenulata D. G. Kelch 2005-5-1 05 .202 Contra Costa Crockett - Edwards Canyon 100 Comment
  JEPS40172  Ptelea crenulata W. L. Jepson 1907-4-27 2648 Contra Costa Mt. Diablo Comment
  UC17380  Ptelea crenulata W. H. Brewer 1862-5-7 1052 Contra Costa n slope Mount Diablo 30 Comment
  UC571100  Ptelea crenulata H. L. Mason 1928-4-1 4273 Contra Costa hills n Mount Diablo (canyon back of Pittsburg) Comment
  UC85434  Ptelea crenulata Katharine Brandegee 1907-6-16 Contra Costa hills back of Antioch Comment
  UCD116921  Ptelea crenulata P. B. Kennedy 1929-4-25 s.n. Contra Costa Marsh Creek Road. Comment
  CAS-BOT-BC148618  Ptelea crenulata J. F. Emmel 1971-8-22 384 Contra Costa Kirker Creek ca. 0.2 air mile S. of site of Nortonville 251 Comment
  CAS-BOT-BC148632  Ptelea crenulata John Thomas Howell 1929-9-21 4390 Contra Costa Marsh Creek Road 7 miles se. of Clayton Comment
  UC2062673  Ptelea crenulata Barbara Ertter 2005-11-6 18655 Contra Costa Mount Diablo State Park, road between Deer Flat and Deer Flat Creek crossing. Comment
  CDA29027  Pterostegia drymarioides D. G. Kelch 2006-5-7 6 .155 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS112010  Pterostegia drymarioides Dean G. Kelch and Andrew G. Murdock 2003-4-3 DGK 03 .360 Contra Costa Cummings Skyway. Comment
  UC692211  Pterostegia drymarioides Mary L. Bowerman 1933-4-9 1833 Contra Costa w. fork Donner Canyon; Mt. Diablo 243 Comment
  CAS-BOT-BC36505  Quercus Paul F. Covel 1939-4-30 s.n. Contra Costa Somersville Comment
  UC2042776  Quercus X morehus Barbara Ertter with Lynne Hosley 1992-8-29 11264 a Contra Costa Morgan Territory Regional Preserve east of Mount Diablo. Comment
  RSA0026181  Quercus X morehus Barbara Ertter, Tony Morosco 1996-7-27 15038 Contra Costa North side Mount Diablo, Wasserman Trail below Cardinet Oaks Road. Comment
  JEPS37717  Quercus agrifolia W. L. Jepson 1907-4-26 2648 b Contra Costa Mt. Diablo Comment
  UC521668  Quercus agrifolia Joseph Andorfer Ewan 1933-10-15 8027 Contra Costa sw slope Mt. Diablo 1066 Comment
  UCSB16859  Quercus agrifolia L. Dempster Mar 1963 S.N. Contra Costa NEAR 15 EL TOYANAL ORINDA Comment
  UCSC010011  Quercus agrifolia var. agrifolia Al Keuter 2014-5-23 AK 00 -095 Contra Costa Along Wildcat Canyon Road on the northeast side of the hills behind Berkeley 168 Comment
  UC691302  Quercus berberidifolia Mary L. Bowerman 1933-5-25 2194 Contra Costa Oyster Ridge, e of saddle (1300 ft), at w end of s-face Mount Diablo 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
  CAS-BOT-BC62698  Quercus chrysolepis Mary L. Bowerman 1931-5-16 852 Contra Costa Mt. Diablo summit, south side Comment
  CDA31069  Quercus chrysolepis D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .232 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC405354  Quercus chrysolepis W. P. Taylor 1912-7-22 Contra Costa w side Mt. Diablo Comment
  UC691282  Quercus chrysolepis Mary L. Bowerman 1931-5-16 852 Contra Costa s side Meridian Peak summit; Mount Diablo Comment
  CAS-BOT-BC86644  Quercus douglasii Alice Eastwood 1923-5-14 11813 Contra Costa Mt. Diablo Comment
  RSA476582  Quercus douglasii Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  UC691283  Quercus douglasii Mary L. Bowerman 1930-6-3 223 Contra Costa 1.9 mi from West road (= North Rd.) entrance; Mount Diablo Comment
  UC5581  Quercus durata F. W. Bancroft 1894-7-10 Contra Costa half-way up Mt. Diablo Comment
  UC5819  Quercus kelloggii H. P. Chandler 1900-3-24 Contra Costa Orinda Park Mount Diablo Region Comment
  JEPS111962  Quercus lobata D. G. Kelch 2004-4-3 04 .50 Contra Costa Ridge east of Martinez - Vine Hill. West of 680. North of highway 4. 44 Comment
  JEPS99998  Quercus lobata G. Smick 2003-2-18 GAS 64 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA388013  Quercus palmeri J. M. Tucker 1981-4-25 4453 -B Contra Costa Antonio Souza Ranch, SW of Byron. 309 Comment
  UCD17142  Quercus parvula var. shrevei E. Dean; with B. Ertter, J. M. Tucker, and K. Chaney 2000-9-13 650 Contra Costa California. Contra Costa County: City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., junction of Heavenly Ridge Trail and Manzanita Trail. 213 Comment
  UCD47151  Quercus parvula var. shrevei H. D. Jones 1910-11-26 s.n. Contra Costa Mt. Diablo, Contra Costa County. Comment
  UC1135847  Quercus wislizeni R. W. Lundh 1932-8-17 133 Contra Costa 1 mi e Round Valley; Mt. Diablo Quad. 518 Comment
  UC1543000  Quercus wislizeni Donald G. Nelson 1938-11-6 586 Contra Costa about 1 mi beyond Marsh Creek Springs (road cut in Marsh Creek Highway, ne of Mt. Diablo) Comment
  UCD47516  Quercus wislizeni R. W. Lundh 1932-8-17 129 Contra Costa 1 mile E. of Round Valley. Quadrangle: Mt. Diablo (Contra Costa), Sec. 9, T. 1S, R 2E. 304 Comment
  CAS-BOT-BC379107  Ranunculus aquatilis var. diffusus Mary L. Bowerman 1951-4-4 662 Contra Costa Mount Diablo, pool west of Turtle Rock (may be seen from top of rock) Comment
  UC1126151  Ranunculus californicus R. C. Wilson 1935-3-27 148 Contra Costa Oyster Pt. Mt. Diablo Quadrangle Comment
  POM268439  Ranunculus californicus Mary L. Bowerman 1935-5-22 3048 Contra Costa Eagle Point ridge, canyon at N end which heads into saddle W of Twin Peaks. 427 Comment
  SEINET13717644  Ranunculus californicus Unknown 1948-2-12 1103 Contra Costa West facing slope along Bear Creek Canyon in Lawson Hill area. Comment
  UC1818977  Ranunculus californicus Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14562 Contra Costa Grassy ridge east of Curry Point, Mount Diablo edge of Knobcone Point Road near Sloan Road junction, clay soil. 548 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
  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
  UC2027716  Ranunculus canus Barbara Ertter with Stu Garrett 1997-3-29 15523 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC635097  Ranunculus canus var. canus H. L. Mason 1929-3-15 5055 Contra Costa on summit of hill east of Nortonville Comment
  UC692185  Ranunculus canus var. canus Mary L. Bowerman 1931-3-8 563 Contra Costa Mitchell Canyon (west bank, near mouth); Mount Diablo Comment
  POM268452  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6276 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  CDA31880  Ranunculus hebecarpus D. G. Kelch 2008-4-6 8 .033 Contra Costa Black Diamond Mines Regional Park. Near small picnic area between parking lot and mine entrance. 0 Comment
  POM269206  Ranunculus hebecarpus Mary L. Bowerman 1932-3-23 1130 Contra Costa Ridge E of Donner Canyon: At Saddle, in shade of Quercus Douglasii 274 Comment
  POM300584  Ranunculus muricatus Mary L. Bowerman 1933-4-15 1844 Contra Costa Canyon S of Arroyo del Cerro Comment
  UC2028580  Ranunculus occidentalis Barbara Ertter with Dan Norris 2001-4-15 17607 Contra Costa Diablo Foothills Regional Park. At east end of Alamo Trail. Comment
  JEPS107131  Ranunculus sceleratus Barbara Ertter, Kristin Ertter 1995-7-11 14485 Contra Costa West side of Mt Diablo SW of Walnut Creek; mudflat around inlet to Pine Pond. Comment
  CDA23557  Raphanus sativus D. G. Kelch 2008-3-3 8 .03 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  JEPS78175  Raphanus sativus Gary W. Zamzow 1973-1-26 124 Contra Costa 300 m. s. of Central Ave. overpass & 100 m. w. of Hoffman Blvd. Richmond (landfill at edge of Bay) Comment
  SEINET11268201  Raphanus sativus Barbara Ertter 1998-6-12 16160 Contra Costa North Gate Road on west flank of Mount Diablo, dogleg in road above raches opposite Angel Kerley trail head.; 0 579 Comment
  UC2028317  Raphanus sativus Barbara Ertter, Susan D'Alcamo 1998-6-12 16160 Contra Costa North Gate Road on west flank of Mount Diablo, dogleg in road above ranches opposite Angel Kerley trailhead. Comment
  SEINET12210141  Rhamnus californica M. T. Doutt 1930-1 96 Contra Costa Marsh Creek Comment
  JEPS41992  Rhamnus californica subsp. californica W. L. Jepson 1895-9-7 13977 Contra Costa Grizzly Peak Berkeley Hills Comment
  CAS-BOT-BC59896  Rhamnus ilicifolia Mary L. Bowerman 1932-9-17 1579 Contra Costa Donner Canyon, w. branch: Canyon bottom. Comment
  CAS-BOT-BC59897  Rhamnus ilicifolia H. E. McMinn 1922-6-2 90 Contra Costa N. slope of Mt. Diablo. Comment
  CAS-BOT-BC200695  Rhus aromatica Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10625 Contra Costa Curry Canyon, 4.0 mi. s. of Recreation Ground Comment
  UC692576  Rhus trilobata Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point Ridge; Mount Diablo 350 Comment
  POM181150  Ribes californicum J. T. Howell 1931-2-21 5730 Contra Costa Mt. Diablo. Comment
  UC1127406  Ribes californicum R. W. Lundh 1932-8-25 143 Contra Costa Mt. Diablo Mt. Diablo Quadrangle Comment
  UC578075  Ribes californicum N. French 1933-2-23 32 Contra Costa Berkeley Hills San Farncisco Quadrangle Comment
  UC11525  Ribes divaricatum var. pubiflorum J. Burtt Davy 1895-4-13 997 Contra Costa Lafayette Comment
  HSC45325  Ribes malvaceum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-2-18 9520 Contra Costa Mt. Diablo State Park, Juniper Campground along Gate Rd. Comment
  JEPS49349 Image available Ribes malvaceum W. L. Jepson 1923-2-18 9844 Contra Costa Las Trampas Ridge 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
  UC692226  Ribes malvaceum Mary L. Bowerman 1930-10-19 486 Contra Costa West road = North Rd. Mount Diablo Comment
  RSA0021639  Ribes malvaceum Lyman Benson 1935-3-16 6269 Contra Costa Mt. Diablo. Walnut Creek watershed. [Label indicates Alameda Co., but Mt. Diablo is in Contra Costa Co.] 915 Comment
  UC2029050  Ribes malvaceum var. malvaceum Barbara Ertter with Linda Vorobik 2000-1-9 16887 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  UC692236  Ribes menziesii Mary L. Bowerman 1931-4-19 739 Contra Costa Deer Flat, near spring by trail at upper end of flat Mount Diablo 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
  JEPS77001  Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-3-17 2132 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail Comment
  RSA0019062  Ribes sanguineum var. glutinosum Joseph A. Ewan 1934-3-10 8650 Contra Costa 1.5 mi. below Orinda road bridge, Wildcat Canyon. Comment
  UCSB26492  Ribes sanguineum var. glutinosum Keefe, Joseph 1967-3-20 Contra Costa along Huckleberry Trail; 0.5 mile east of Skyline boulevard; near intersection with Grizzly Park Boulevard; east of Berkeley 274 Comment
  UC691502  Rigiopappus leptocladus Mary L. Bowerman 1933-5-10 2064 Contra Costa ridge below Indian Ceremonial Spring; Mount Diablo Comment
  UC697151  Rigiopappus leptocladus Mary L. Bowerman 1931-4-4 669 Contra Costa w Turtle Rock; Mount Diablo Comment
  UC697165  Rigiopappus leptocladus Mary L. Bowerman 1933-5-10 2061 Contra Costa ridge at e end and s Meridian Flat; Mount Diablo 822 Comment
  JEPS99482  Rigiopappus leptocladus Mary Bowerman 1977-5-29 Contra Costa Mount Diablo. SW corner Russellman Park. 365 Comment
  RSA72859  Rigiopappus leptocladus A. Kellogg, W. G. W. Harford 1869-6-6 524 Contra Costa Summerville, Mt. Diablo. Comment
  SD62209  Romneya trichocalyx Helen Beard 1965-1-20 Contra Costa From L.L. Edmunds Native Plant Nursery, Danville, Contra Costa County, California. Original place of collection not known. University of California Botanical Garden 50.1640. Comment
  CAS-BOT-BC74445  Rorippa curvisiliqua J. Bauer 1851-5-1 187 Contra Costa Ad mond Diablo [At Mount Diablo]. Comment
  UC2027956  Rorippa curvisiliqua Barbara Ertter with Joanne Kerbavaz 2000-8-20 17501 Contra Costa Frog Pond on southeast side of Mount Diablo. Comment
  JEPS100080  Rorippa nasturtium-aquaticum S. O'Neil 2003-8-6 SEO 45 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA28956  Rorippa palustris subsp. occidentalis D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .249 Contra Costa CA Delta; Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. Comment
  UC2062640  Rorippa palustris subsp. palustris Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19799 Contra Costa Mudflats at upper (south) end of San Pablo Dam Reservoir northwest of Orinda. Comment
  CHSC116620  Rorippa palustris var. occidentalis Lowell Ahart; Josephine Guardino 2016-4-19 20771 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  JEPS127093  Rorippa palustris var. occidentalis Lowell Ahart, Josephine Guardino 2016-4-19 20771 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  CAS-BOT-BC147408  Rosa californica L. R. Abrams 1916-6-30 5710 Contra Costa Mt. Diablo Comment
  JEPS45678  Rosa gymnocarpa W. L. Jepson 1894-10-1 13887 Contra Costa Moraga Valley Comment
  POM300600  Rubus parviflorus Mary L. Bowerman 1933-5-19 2140 Contra Costa Below Morgan Sulphur Spring. 335 Comment
  CAS-BOT-BC147359  Rubus pensilvanicus Walter Knight; B. Mortensen; B. Atwater; R. Bensler; J. Dean 1979-4-13 3369 Contra Costa Alder Point. Browns Island Comment
  JEPS75477  Rubus ursinus P. F. Yorks 1975-4-10 382 -2 Contra Costa on Hampton Road in Hampton Road Natural Reserve ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 170 Comment
  JEPS112015  Rumex acetosella Dean G. Kelch and Andrew G. Murdock 2004-3-19 AGM 225 Contra Costa Luzon. Sycamore Ave. just east of Rodeo/Hercules where train crosses Hwy 4 (Luzon). Comment
  JEPS99578  Rumex conglomeratus Mary Bowerman 1995-6-4 Contra Costa Mount Diablo, Pine Pond Comment
  UCD144311  Rumex crassus G. F. Hrusa; D. Crowe 1998-5-8 14361 Contra Costa Sacramento-San Joaquin River Delta. At east end of Dow Chemical property at Pittsburg. 10 Comment
  CAS-BOT-BC433479  Rumex fueginus Walter Knight; Irja Knight 1980-8-26 3804 Contra Costa At Hercules Comment
  UCR78377  Rumex obtusifolius Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8122 Contra Costa San Joaquin Valley, Clifton Court Forebay, c. 15 air miles southwest of Stockton 0 Comment
  CAS-BOT-BC433711  Rumex occidentalis Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3261 Contra Costa Brown's Island, South Landing. Comment
  UC692157  Rumex pulcher Mary L. Bowerman 1938-5-28 3644 Contra Costa Maple Spring, upper margin Mount Diablo 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
  RSA0029279  Rumex salicifolius var. salicifolius Barbara J. Ertter, Tony Morosco 1996-7-27 15030 Contra Costa Mount Diablo State Park, Donner Creek ca. halfway between Regency Drive trailhead and old cabin site. 183 Comment
  UC692209  Rumex salicifolius var. salicifolius Mary L. Bowerman 1935-10-26 3346 Contra Costa 2 rd mi e Mount Diablo west entrance; Mount Diablo 228 Comment
  CDA42433  Rupertia physodes D. G. Kelch 2012-5-27 12 .073 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  UC692276  Rupertia physodes Mary L. Bowerman 1930-6-3 236 Contra Costa west road 1.9 mi from entrance (open slope, s exposure); Mount Diablo Comment
  CHSC116611  Sagina apetala Lowell Ahart; Josephine Guardino 2016-4-19 20774 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 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
  UC2028160  Sagina apetala Barbara Ertter 1998-4-4 15948 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School. Comment
  UC2070543  Sagina decumbens subsp. occidentalis Barbara Ertter with Linda Vorobik 2002-4-6 17821 Contra Costa South flank of Mount Diablo, west fork of Alamo Creek at end of spur road under powerlines. Comment
  RSA0029774  Salicornia maritima Barbara Ertter 1990-9-30 9656 Contra Costa Point Pinole Regional Shoreline, on SW corner of park; edge of San Pablo Bay. Comment
  CDA23458  Salicornia subterminalis R. L. Todd 1962-11-21 Contra Costa Old River Canal bridge. 0 Comment
  UC768753  Salicornia virginica R. F. Hoover 1937-8-31 2706 Contra Costa Byron Hot Springs Comment
  UC1949224  Salicornia virginica Barbara Ertter with Elizabeth Neese 1988-10-15 7974 Contra Costa W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue Comment
  CAS-BOT-BC129919  Salix bonplandiana Mary L. Bowerman 1933-5-10 2067 Contra Costa Mount Diablo - spring on ridge below Indian Ceremonial Spring 975 Comment
  CAS-BOT-BC103737  Salix exigua Walter Knight; Irja Knight; John Thomas Howell; Elizabeth McClintock 1978-9-5 3218 Contra Costa Browns Island Comment
  UCD110901  Salix exigua B. Crampton 1950-7-4 600 Contra Costa Railroad embankment, Richmond. Comment
  UC650583  Salix exigua var. hindsiana Ira L. Wiggins 1930-4-18 4587 Contra Costa levee banks Jersey Isl. Comment
  JEPS112255  Salix laevigata D. G. Kelch 2005-5-13 05 .244 Contra Costa Martinez South of oil refinery along Railroad tracks Comment
  SEINET3158569  Salix laevigata H. P. Chandler 1901-3-22 858 Contra Costa Pacheco Comment
  UC521720  Salix laevigata Joseph Andorfer Ewan 1933-10-15 8034 Contra Costa Indian Ceremonial Spring Mt. Diablo, Indian Ceremonial Spring Comment
  UC650582  Salix laevigata Ira L. Wiggins 1930-4-18 4601 Contra Costa levee banks Jersey Island Comment
  RSA0029773  Salsola soda Barbara Ertter 1990-9-30 9659 Contra Costa Point Pinole Regional Shoreline on San Pablo Bay, north Richmond, on N edge of park. Comment
  JEPS79010  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1619 Contra Costa just e. Antioch Comment
  JEPS62658  Salvia columbariae W. L. Jepson 1922-5-23 9661 Contra Costa Mt. Diablo San Francisco Bay (vicinity of San Francisco Bay) Comment
  UC25708  Salvia columbariae W. L. Jepson May 23 1894-May 24 1894 Contra Costa Mt. Diablo; Mount Diablo Region Comment
  POM223332  Salvia columbariae L. S. Rose 1935-5-16 s.n. Contra Costa Mt. Diablo. Comment
  SEINET13947331 Image available Salvia columbariae Lewis S. Rose 1935-1 35168 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC233290  Salvia mellifera John Thomas Howell 1923-11-12 247 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC233292  Salvia mellifera Alice Eastwood 1915-6-21 4736 Contra Costa San Leandro Comment
  UC25728  Salvia mellifera W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo; Region of Mount Diablo Comment
  UC25730  Salvia mellifera H. N. Bolander Apr 1866 6317 Contra Costa Mount Diablo Comment
  UC63772  Salvia mellifera H. M. Hall 1901-4-4 1751 Contra Costa Mt. Diablo; San Francisco Bay Region 670 Comment
  JEPS12727  Sambucus mexicana W. L. Jepson 1908-8-16 3086 Contra Costa Walnut Creek Comment
  CAS-BOT-BC238633  Sambucus nigra subsp. caerulea Mary L. Bowerman 1930-8-31 452 a Contra Costa Mount Diablo. Sloan Road, Curry Canyon (east of the Sloan Place) Comment
  UC2027896  Samolus parviflorus Barbara Ertter 1996-9-19 15296 Contra Costa Antioch Marina, tidal edge of delta, with tule, cattails, Phragmites. Comment
  UC1925899  Sanicula bipinnata Donald G. Nelson 1937-3-30 468 Contra Costa Along Marsh Creek Road between Claytonville and Byron Comment
  UC692321  Sanicula bipinnata Mary L. Bowerman 1931-3-14 570 Contra Costa Mount Diablo, Windy Point Mount Diablo; , Windy Point Comment
  CAS-BOT-BC223245  Sanicula bipinnata Alice Eastwood 1914-3-14 5792 Contra Costa Byron Springs Comment
  JEPS100132  Sanicula bipinnata G. Smick GAS 90 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111603  Sanicula bipinnatifida D. G. Kelch 2003-3-21 03 .50 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS111612  Sanicula bipinnatifida D. G. Kelch 2004-4-3 04 .48 Contra Costa Martinez - Vine HillRidge West of 680. North of highway 4 44 Comment
  JEPS111604  Sanicula crassicaulis D. G. Kelch 2003-3-21 03 .57 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  POM288025  Sanicula crassicaulis Lyman Benson 1931-3-18 2660 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC691874  Sanicula crassicaulis Mary L. Bowerman 1933-5-8 2023 Contra Costa Mount Diablo, Rock City, w fork of Sycamore Creek Sycamore Creek; Mount Diablo, Rock City, Sycamore Creek Comment
  RSA760659  Sanicula crassicaulis William J. Ferlatte, L. Maynard Moe 1970-4-27 1226 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UC2027776  Sanicula crassicaulis Barbara Ertter with Holly Forbes 1997-4-20 15563 Contra Costa North base of Mount Diablo, Eagle Peak Trail on NE side of Eagle Ridge below Twin Peaks. Comment
  UC2028121  Sanicula crassicaulis Barbara Ertter with Richard K. Brummitt 1998-5-6 16087 Contra Costa Lower Donner Canyon Road on north base of Mount Diablo, ca 1/2 miles south of Donner cabin site. 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
  SBBG122982  Sanicula saxatilis B. Ertter et al. 1991-4-7 9728 Contra Costa Eagle Pk on Mt Diablo Comment
  UC666653  Sanicula saxatilis John Thomas Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Peak Mount Diablo; , Eagle Peak Comment
  JEPS112483  Satureja douglasii D. G. Kelch 2004-5-2 04 .171 Contra Costa Crockett - Edwards Canyon 112 Comment
  OBI70103  Scabiosa atropurpurea A. G. Murdock, D. G. Kelch 2003-9-12 200 Contra Costa Carquinez Strait: Nr Selby, W of Crockett 101 Comment
  CDA37282  Scandix pecten-veneris D. G. Kelch 2011-3-31 11 .075 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  UC1745553  Scandix pecten-veneris Annetta M. Carter, Florence Dickson, Howard Custer 1939-5-30 1441 Contra Costa 0.8 mi. S of Lafayette. 121 Comment
  CAS-BOT-BC283604  Schedonorus pratensis Barrett Anderson 1987-4-29 3485 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  UCD150898  Schoenoplectus James A. Neilson Jr. 1972-10-22 3503 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  JEPS78622  Schoenoplectus acutus var. occidentalis Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3285 Contra Costa Botany Cove Browns Island, Botany Cove Comment
  UC2028426  Schoenoplectus americanus Barbara Ertter 1996-9-19 15294 Contra Costa Antioch Marina Comment
  POM181474  Schoenoplectus californicus I. L. Wiggins 1930-4-18 4592 Contra Costa Jersey Island. Comment
  CAS-BOT-BC111466  Schoenoplectus californicus Walter Knight 1978-8-27 3203 Contra Costa At reservoir's edge, Contra Loma Regional Park. 30 Comment
  JEPS111881  Scirpus maritimus A. G. Murdock 2004-5-28 300 Contra Costa Luzon 60 Comment
  UC971682  Scirpus maritimus Leo Koch 1940-6-5 1004 a Contra Costa near highway saline flat two mi s San Rafael ferry dock; s of San Rafael ferry dock Comment
Read comments
Apr 14 2009
  UC2029146  Scirpus maritimus Barbara Ertter with Dan Norris 1999-11-14 16854 Contra Costa Black Diamond Mines Regional Preserve, Sand Creek on east side Stewartville Trail, dominated by dense stand of Scirpus americanus. Comment
  CAS-BOT-BC110869  Scirpus microcarpus Miss Mary Leolin Bowerman 1942-10-4 3851 Contra Costa Russelman Park Road 243 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
  UC691605  Scrophularia californica Mary L. Bowerman 1930-6-18 344 Contra Costa Dan Cook Canyon Mt Diablo Comment
  UC1606441  Scutellaria californica Barbara Ertter 1993-6-25 11905 Contra Costa 1/4 mi s of Tilden miniature steam trains (head of Siesta Valley, Skyline Trail); Oakland-Berkeley Hills, Skyline Trail, Siesta Valley 457 Comment
  RSA0055044  Scutellaria tuberosa Jim Shevock 1971-4-7 916 Contra Costa Mt. Diablo St. Park. 548 Comment
  SEINET3153355  Scutellaria tuberosa L. S. Rose 1940-4-30 40250 Contra Costa Marsh Creek, 4 mi. E of Clayton 91 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
  UC691354  Senecio aronicoides Mary L. Bowerman 1933-5-21 2146 Contra Costa just below Grape Spring (s from Curry Canyon, Mount Diablo); Mount 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
  CDA7666  Senecio sylvaticus D. G. Kelch, A. G. Murdock 2005-5-13 5 .274 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive. Comment
  UC691362  Senecio sylvaticus Mary L. Bowerman 1933-5-25 2180 Contra Costa w end s face Oyster Ridge (Mount Diablo); , , w end of s face, in burned chapa 396 Comment
  CAS-BOT-BC364552  Senecio vulgaris Alice Eastwood 1923-5-4 11725 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC364554  Senecio vulgaris Walter Knight 1965-3-1 911 Contra Costa Antioch dunes Comment
  CDA33908  Sesbania punicea Guise/Duarte 2008-9-17 PDR# 1454087 Contra Costa Concord; East Olivera Rd., 1/4 mile north of Salvio St. 0 Comment
  CDA23918  Sesuvium verrucosum D. G. Kelch 2006-7-14 6 .329 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  UC1607657  Sidalcea malviflora subsp. laciniata Barbara Ertter, Chris Thayer 1993-5-7 11704 Contra Costa ca 1/2 mi n Vollmer Peak (= Bald Peak, in East Bay Municipal Utilities District land, e of Tilden Park); n of Vollmer Peak (= Bald Peak), e of Tilden Park 457 Comment
  UC692614  Sidalcea malviflora subsp. laciniata Mary L. Bowerman 1933-4-22 1880 Contra Costa opposite Heather Farm (near the sulphur spring, Shell Ridge where the highway crosses; meadow); Mount Diablo, Shell ridge, oppos Heather Farm Comment
  RSA721276  Sidalcea malviflora subsp. malviflora Barbara Ertter, Gary Schoolcraft 1996-4-7 14568 Contra Costa Point San Pablo inwest Richard. crest ot road to yacht harbor Comment
  JEPS111785  Silene gallica D. G. Kelch 2004-4-30 04 .153 Contra Costa Mt. Wanda - Martinez 115 Comment
Read comments
Oct 13 2009
  UC2029065  Silene laciniata subsp. californica Barbara Ertter 2000-7-29 17440 Contra Costa Donner Basin on north side of Mount Diablo, lower Middle Trail between first creek crossing and Falls Trail junction. Comment
  CAS-BOT-BC74934  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island. Comment
  CDA23556  Sinapis arvensis D. G. Kelch 2008-3-3 8 .028 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  UC10827  Sisymbrium officinale unknown 1862-5-5 Contra Costa Walnut Creek Comment
  UC691054  Sisymbrium officinale Mary L. Bowerman 1930-6-3 231 Contra Costa Mount Diablo, West road, 1.9 mi from entrance, (West road = North road) Mount Diablo; , West road Comment
  UC2070555  Sisymbrium orientale Barbara Ertter with David Gowen and Mike Park 2004-4-13 18349 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, River View Loop Trail at N end of ridge E of Sidney Flat Headquarters. Comment
  CDA39475  Sisyrinchium bellum A. G. Murdock 2004-3-19 220 Contra Costa Carquinez Strait Region; Luzon. Sycamore Avenue just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Comment
  JEPS77013  Smilacina stellata Robert M. Lloyd 1963-3-17 2140 Contra Costa 0.5 mi e intersection of Grizzly Peak Rd. and Skyline Drive (on Skyline (across from 7090 Skyline)); Huckleberry Trail Comment
  UC905257  Smilacina stellata J. A. Rattenbury 1948-3-8 94 Contra Costa 1/2 mi e Oakland Tunnel (n-facing slope on s side of hwy above creek) 213 Comment
  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
  CDA34360  Solanum rostratum E. Finley 1986-8-26 s.n. Contra Costa Lake Cascade, Orinda. 0 Comment
  CDA5987  Solanum rostratum J. Moon 1959-7-3 Contra Costa Macdonald Avenue and railroad yard, Richmond. 0 Comment
  CAS-BOT-BC157453  Solanum umbelliferum A. Eastwood 1915-5-30 4541 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC83606  Solanum umbelliferum J. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC456217  Solanum umbelliferum I. J. Condit 1908-8-20 Contra Costa Oakley Comment
  UC691760  Solanum umbelliferum Mary L. Bowerman 1931-3-7 553 Contra Costa Mount Diablo, Upper end of South Road Mount Diablo; , South Road Comment
  UC63939  Solanum umbelliferum Earle Mulliken 1903-5-10 51 Contra Costa Berkeley Hills Comment
  SEINET7262086 Image available Solanum xanti A. A. Heller 1908-4-16 8889 Contra Costa E of Antioch Comment
  JEPS78880  Solidago velutina subsp. californica Edward Lee 1936-12-12 2608 Contra Costa s Berkeley Country Club 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
  JEPS25515  Soliva sessilis Robert Owen 1961-5-19 Contra Costa Tilden Regional Park Botanic Garden Comment
  CHSC116608  Sonchus asper subsp. asper Lowell Ahart; Josephine Guardino 2016-4-19 20769 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UC691778  Sonchus oleraceus Mary L. Bowerman 1930-8-24 416 Contra Costa Mitchell Canyon , Mitchell Canyon (Mount Diablo) Comment
  UC1980318  Sparaxis tricolor Barbara Ertter with C. Shafer, C. Davidson et al. 2011-4-23 20707 Contra Costa Mount Diablo State Park, Curry Point Comment
  CDA32680  Spartina foliosa D. G. Kelch 2004-7-9 4 .314 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  UC2032829  Spergula arvensis Doran, Andrew Scott 2012-3-20 699 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  UCD99169  Spergula arvensis P. B. Kennedy 1914-3-15 4658 Contra Costa Sunset Cemetary. Comment
  UC2028042  Spergula arvensis subsp. arvensis Barbara Ertter 1998-3-1 15925 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  JEPS111532  Spergularia bocconi D. G. Kelch 2005-5-5 05 .216 Contra Costa Point Pinole - Giant Marsh 3 Comment
  CAS-BOT-BC390238  Spergularia macrotheca var. leucantha R. F. Hoover 1967-4-28 10514 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC390741  Spergularia marina Alice Eastwood 1914-3-14 3779 Contra Costa Byron Springs Comment
  JEPS111780  Spergularia marina A. G. Murdock 2004-6-4 319 Contra Costa Pacheco Marsh Salt marsh NE of Waterbird 5 Comment
  UC1563860  Spergularia marina Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8135 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) 0 Comment
  CAS-BOT-BC390536  Spergularia media Lewis S. Rose 1941-3-17 41034 Contra Costa 3 mi. s. of Byron 6 Comment
  UC1618138  Spergularia rubra Barbara Ertter with Tony Morosco 1996-1-15 14545 Contra Costa on road to Frog Pond from Curry Point (se side Mount Diablo, below Sheepherder (Chase) Pond); Mount Diablo Comment
  UC2027744  Spergularia rubra Barbara Ertter 1997-1-5 15436 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. 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
  UC1795653  Stachys ajugoides var. rigida Barbara Ertter, Brad Olson 1994-5-7 12756 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UC691718  Stachys ajugoides var. rigida Mary L. Bowerman 1938-5-28 3637 Contra Costa 4.7 mi from North Gate (North Road, on w-facing bank between road and chaparral); Mount Diablo 457 Comment
  JEPS112467  Stachys pycnantha A. G. Murdock 2004-5-28 278 Contra Costa Refugio Valley 120 Comment
  UC2055616  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  CHSC21609  Stellaria media Willis Ball 1975-2-23 443 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds w of main parking lot. 30 Comment
  UC2027739  Stellaria pallida Barbara Ertter 1997-1-5 15444 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. 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
  UC1070309  Stephanomeria virgata subsp. pleurocarpa H. S. Yates 1934-9-2 4066 Contra Costa 1 mi sw Mt. Diablo; Mt. Diablo Quad. 762 Comment
  CHSC57360  Streptanthus Willis Ball 1975-3-26 519 Contra Costa Contra Loma Regional Park, in area #3. On hill ca. 100 yds. nw of the dam. 45 Comment
  CAS-BOT-BC87341  Streptanthus hispidus H. N. Bolander; Kellock M. D. s.n. Contra Costa Monte De Diablo. Comment
  JEPS27001  Streptanthus hispidus E. W. Hicks 1917-3-24 112 Contra Costa Mt. Diablo 762 Comment
  UC1950412  Stuckenia pectinata Barbara Ertter with Lynne Hosley 1991-9-22 10824 Contra Costa Lafayette Reservoir in hills SW of Lafayette, at E end of dam Comment
  UC2028384  Stuckenia pectinata Barbara Ertter 1998-6-20 16254 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Willow Spring Pond south of Ginder Gap Comment
  UC2028454  Stuckenia pectinata Barbara Ertter with Joanne Kerbavaz 2000-8-20 17507 Contra Costa Hidden Pond on south side of Mount Diablo Comment
  RSA0027710  Stuckenia pectinata Barbara Ertter, Chris Thayer 1996-10-25 15371 Contra Costa Northwest flank of Mount Diablo. Tick Pond at arc of Falcon Road between North Gate Road and Castle Rock. 183 Comment
  CAS-BOT-BC422907  Stylomecon heterophylla Paul F. Covel 1936-5-17 156 Contra Costa Mt Diablo, on trail summit-north peak. Comment
  JEPS65176  Stylomecon heterophylla L. R. Heckard 1971-4-15 2491 Contra Costa ca 1/2 mi e Patterson Pass; e of Patterson Pass 457 Comment
  UC1733834  Stylomecon heterophylla Kay H. Beach 1941-4-30 1078 Contra Costa 7 mi W of Byron; Marsh Creek 30 Comment
  SD58497  Suaeda californica John H. Weiler 1961-4-9 6173 Contra Costa On the east side of the road, 3.0 miles south of Byron. Comment
  UC691751  Symphoricarpos albus var. laevigatus Mary L. Bowerman 1931-4-11 700 Contra Costa Pine Canyon Pine Canyon, Mount Diablo; Mount Diablo Comment
  UC1119949  Symphoricarpos mollis R. W. Lundh 1933-3-30 224 Contra Costa 1.5 mi nw Eastport; Concord Quad. 426 Comment
  CAS-BOT-BC97701  Symphyotrichum chilense Walter Knight; Joanne Dean 1978-8-14 3140 Contra Costa Browns Island Comment
  JEPS111656  Symphyotrichum chilense Dean G. Kelch and Andrew G. Murdock 2003-9-12 AGM 204 Contra Costa Selby, west of Crockett. 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
  CAS-BOT-BC97697  Symphyotrichum chilense R. E. Frenkel 1964-6-20 591 Contra Costa on Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC2046322  Symphyotrichum lanceolatum var. hesperium Barbara Ertter 2000-10-26 17550 Contra Costa West side Mount Diablo, Little Pine Creek near park boundary, just upstream from Falcon Road creek crossing. Comment
  CDA33070  Symphyotrichum lentum D. G. Kelch 2010-10-5 10 .424 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UC1735313  Symphyotrichum subspicatum J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9342 Contra Costa Charles Tilden Regional Park, Vollmer Peak, mid elevation Comment
  CAS-BOT-BC99396  Symphyotrichum subulatum var. parviflorum W. L. Jepson 1891-9-16 s.n. Contra Costa at New Town landing, Lower Sacramento River Comment
  JEPS96865  Tamarix parviflora Dean W. Taylor 1971-4-3 986 Contra Costa along Highway 4 in Contra Coasta County 1 mile east of the junction with Byron Road 3 Comment
  UC1607567  Tamarix parviflora Barbara Ertter 1993-4-2 11480 Contra Costa west of Crockett (below Vista Road, abandoned railroad station); Carquinez Regional Park Comment
  CAS-BOT-BC376774  Tanacetum parthenium John Thomas Howell 1942-6-28 17006 Contra Costa Oakland Hills near Redwood Peak Comment
  UC2029038  Taraxacum officinale Barbara Ertter 2000-3-30 16901 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1 miles from trailhead, near cottonwoods. Comment
  UCD96956  Tetragonia tetragonoides G. Thomas Robbins 1958-7-19 3906 Contra Costa Pt. Orient, San Francisco Bay, about 3/4 mile south of Pt. San Pablo, Potrero San Pablo, Richmond. Comment
  UC692478  Tetrapteron graciliflorum Mary L. Bowerman 1935-4-26 2907 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  NY185781  Thelypodium rigidum E. L. Greene 1887-4-17 s.n. Contra Costa Comment
  CAS-BOT-BC88264  Thysanocarpus curvipes Mary L. Bowerman 1933-4-15 1879 Contra Costa Mount Diablo. Second ridge south of Arroyo del Cerro. Crest of ridge. Comment
  JEPS54176  Thysanocarpus curvipes W. L. Jepson 1922-5-23 9666 Contra Costa Mt. Diablo Comment
  JEPS54202  Thysanocarpus curvipes W. L. Jepson 1891-5-24 Contra Costa Mt. Diablo Comment
  SEINET3404387 Image available Thysanocarpus curvipes Lewis S. Rose 1923-4-17 33096 Contra Costa Antioch, Spady Flats. Comment
  UC1543094  Thysanocarpus curvipes Donald G. Nelson 1937-3-30 465 Contra Costa on bank of creek along Marsh Creek Highway about halfway between Clayton and Byron; along Marsh Creek Highway Comment
  CAS-BOT-BC88246  Thysanocarpus curvipes Alice Eastwood 1914-2-24 3737 Contra Costa Anticoch. Comment
  CAS-BOT-BC88247  Thysanocarpus curvipes Alice Eastwood 1914-2-24 3738 Contra Costa Anticoch. Comment
  RSA0039372  Thysanocarpus curvipes var. curvipes Harley P. Chandler 1901-4-5 940 Contra Costa Mt. Diablo, Pine Canyon. Comment
  UC10983  Thysanocarpus laciniatus W. H. Brewer 1862-5-14 1097 Contra Costa dry rocky spurs Mount Diablo Comment
  JEPS108228  Tonella tenella David Gowen 2005-5-6 284 Contra Costa Mt. Diablo State Park. Moist gravelly area ca 1/4 mile south of Prospectors Gap on North Peak Trail. Comment
  UC1123217  Torilis nodosa C. M. Belshaw 1936-5-7 2048 Contra Costa 2 miles S of San Ramon 274 Comment
  RSA720806  Torilis nodosa Barbara Ertter, Mary L. Bowerman 1995-6-11 14254 Contra Costa Shell Ridge recreation area southeast of Walnut Creek, bank of Indian Creek above Indian Valley pond 76 Comment
  UC692376  Torilis nodosa Mary L. Bowerman 1930-6-3 230 Contra Costa North road 1.9 miles from entrance 167 Comment
  CAS-BOT-BC172933  Toxicodendron diversilobum D. E. Breedlove 1970-4-18 17442 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  UC17924  Toxicodendron diversilobum W. H. Brewer 1862-5-10 1068 Contra Costa near Clayton Clayton 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
  UCD139856  Toxicoscordion fremontii Laurence S. Jones 1934-4-8 s.n. Contra Costa Mount Diablo. 609 Comment
  CDA31349  Tragopogon porrifolius D. G. Kelch 2010-11-14 10 .447 Contra Costa Carquinez Strait; Rodeo. Between San Pablo Ave and Rodeo Creek in grassy lot. Comment
  CDA8354  Tragopogon porrifolius D. G. Kelch, A. G. Murdock 2003-4-1 03 .093-B Contra Costa Carquinez Strait; Crockett. E bound entrance to Carquinez Bridge. Comment
  UC1619980  Tragopogon porrifolius Barbara Ertter 1991-5-12 9812 Contra Costa s.w. corner El Cerrito (along old R.R. right-of-way between bay & salicornia marsh, Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline Comment
  UC1776772  Tribulus terrestris T. C. Fuller 1961-9-13 6999 Contra Costa Almond orchard, S of hwy 4, 0.1 mi W of Antioch Bridge Rd., 2 mi W of Oakley. Comment
Read comments
Sep 1 2011
  UC32605  Trichostema lanceolatum A. B. Simonds Contra Costa Mount Diablo Comment
  UC1614107  Trifolium Charles M. Belshaw 1935-6-24 790 Contra Costa ca. 1/2 mi. e. Grizzly Peak (Bald Peak); Bald Peak Comment
  UC555621  Trifolium albopurpureum H. L. Mason 1929-3-29 5130 Contra Costa 2 mi above Clyton Rd (Marsh Creek Rd) Comment
  UC555482  Trifolium albopurpureum var. albopurpureum H. L. Mason 1928-4-29 4437 Contra Costa Sycamore Canyon Mt. Diablo, south slope Comment
  UC555617  Trifolium albopurpureum var. albopurpureum H. L. Mason 1929-5-7 5261 Contra Costa Moraga Ridge Comment
  UC1795830  Trifolium albopurpureum var. albopurpureum Barbara Ertter, Chris Thayer 1995-4-25 13983 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Sycamore Canyon trail from Knobcone Point Rd., open grassland. 457 Comment
  UC2028277  Trifolium albopurpureum var. dichotomum Barbara Ertter, Susan D'Alcamo 1999-4-18 16503 Contra Costa Bald Ridge Trail on NW side of Mount Diablo summit. Comment
  UC1819060  Trifolium albopurpureum var. olivaceum Barbara Ertter, Mary Bowerman et al. 1995-5-7 14048 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  JEPS65682  Trifolium albopurpureum var. olivaceum Willis L. Jepson 1891-6-9 13671 Contra Costa Fish Ranch Berkeley Hills Comment
  UC630759  Trifolium albopurpureum var. olivaceum P. B. Kennedy 1925-4-26 Contra Costa above old rd to reservoir; Mt. Diablo Comment
  UC33320  Trifolium barbigerum W. C. Blasdale June 1891 Contra Costa near Redwood Peak 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
  UC2028117  Trifolium bifidum var. bifidum Barbara Ertter with Richard K. Brummitt 1998-5-6 16092 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin. Comment
  UC400158  Trifolium ciliolatum Ynes Mexia 1929-4-21 2373 Contra Costa Moraga Valley Comment
Read comments
Aug 31 2007
  UC692460  Trifolium ciliolatum Mary L. Bowerman 1935-4-28 2926 Contra Costa e Pioneer Camp (ridge at w end of willizenii Flat); Mount Diablo Comment
  POM203632  Trifolium ciliolatum J. T. Howell 11245 Contra Costa Hills east of St. Marys College. Comment
  UC2028184  Trifolium ciliolatum Barbara Ertter 1998-5-3 16066 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo. Comment
  JEPS65716  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC33308  Trifolium depauperatum var. amplectens W. C. Blasdale 1891-4-25 Contra Costa Point Isabel Comment
  UC338048  Trifolium depauperatum var. depauperatum Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC630932  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10035 a Contra Costa Byron Comment
  UC2028085  Trifolium depauperatum var. depauperatum Barbara Ertter, Tony Morosco 1998-4-12 15982 Contra Costa Base of Mount Olympia on north side of Mount Diablo south side of lower end of Olympia Trail. Comment
  UC16570  Trifolium depauperatum var. hydrophilum J. Burtt Davy 1900-3-24 6529 Contra Costa near Santa Fe townsite (Pt. Richmond) Comment
  UCSC011139  Trifolium depauperatum var. laciniatum Randy Morgan 1999-5-30 3509 Contra Costa Byron, Seed originally from Armstrong Road Comment
  JEPS65752  Trifolium depauperatum var. truncatum Ivar Tiderstrom 1895-4-13 Contra Costa Lafayette Comment
  SEINET7096815  Trifolium depauperatum var. truncatum A. G. Vestal 1985-4-1 s.n. Contra Costa Ca. 1.9 miles west of Byron on the Camino Diablo Road. NAD27, 37? deg. 51' 45ao, -121?_ 40' 26ao (converted to WGS84 decimal degrees) Comment
  UC1607665  Trifolium depauperatum var. truncatum Barbara Ertter with Michelle Seidl 1992-3-14 10921 Contra Costa E of Mount Diablo; Morgan Territory Regional Preserve Comment
  UC1861833  Trifolium depauperatum var. truncatum Barbara Ertter, Chris Thayer 1995-4-25 13998 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  CHSC116657  Trifolium dubium Lowell Ahart; Josephine Guardino 2016-4-19 20768 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS65882  Trifolium fucatum W. L. Jepson 1923-4-22 9857 Contra Costa Mt. Diablo Comment
  UC555454  Trifolium fucatum H. L. Mason 1929-3-31 5143 Contra Costa Briones Valley Comment
  UC692316  Trifolium fucatum Mary L. Bowerman 1932-3-23 1124 Contra Costa betw Monument and Concord (Oak Grove School junction); Mount Diablo Comment
  UC692674  Trifolium fucatum Mary L. Bowerman 1935-5-1 2940 Contra Costa 2.1 mi from North Gate (North Rd, just below rd by a hut); Mount Diablo 182 Comment
  UC1541574  Trifolium fucatum H. E. and S. T. Parks 1930-4-1 542 Contra Costa along hwy (in ditches); San Ramone Comment
  UC419042  Trifolium fucatum H. E. and S. T. Parks 1930-4-1 542 Contra Costa along hwy (in ditches); San Ramone Comment
  UC1618357  Trifolium gracilentum Barbara Ertter, Chris Thayer 1993-5-7 11712 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District Comment
  UC165608  Trifolium gracilentum J. Burtt Davy 1895-1 926 Contra Costa Antioch Comment
  UC555592  Trifolium gracilentum H. L. Mason 1928-4-13 4301 Contra Costa Richmond waterfront Comment
  UC631031  Trifolium gracilentum Mrs. K. Brandegee May 1907 Contra Costa Antioch Comment
  SD37272  Trifolium gracilentum Mc Callum 1933-4-25 2141 Contra Costa Near road east of Walnut Creek Comment
  UC2028170  Trifolium gracilentum var. gracilentum Barbara Ertter 1998-5-3 16073 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  CDA29499  Trifolium hirtum D. G. Kelch, Troy MacGregor 2009-5-1 9 .268 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. 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
  RSA0033857  Trifolium hybridum Barbara Ertter 2000-7-16 17391 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park, a short distance upstream from dry check-dam. 121 Comment
  CDA15234  Trifolium incarnatum G. F. Hrusa, D. Crowe 1998-5-8 14364 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UC1197238  Trifolium macraei J. P. Tracy 1900-3-24 623 Contra Costa 50 ft Point Richmond Comment
  OBI12671  Trifolium macraei G. Thomas Robbins 1959-5-17 4017 Contra Costa Just NE of the jctn of Park Blvd, Skyline Blvd, and Manzaitas Dr, at the summit of Oakland Hills, Alameda-Contra Costa County boundary 351 Comment
  SEINET4178748 Image available Trifolium majus A. A. Heller 1938-4-9 15017 Contra Costa 3 mi. S. W. of Antioch Comment
  UC692249  Trifolium microcephalum Mary L. Bowerman 1933-4-26 1920 Contra Costa ese North Peak ridge (ridge); Mount Diablo Comment
  UCD35902  Trifolium microcephalum Beecher Crampton 1966-4-26 7666 Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  UC555611  Trifolium microdon H. L. Mason 1928-4-13 4306 Contra Costa Richmond waterfront Comment
  RSA90931  Trifolium microdon J. T. Howell 1933-5-14 11244 Contra Costa St. Mary's College. 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
  UC555403  Trifolium oliganthum H. L. Mason 1929-3-29 5131 Contra Costa 2 mi above Clayton (Marsh Creek Rd) Comment
  RSA721202  Trifolium olivaceum var. olivaceum Barbara Ertter 1995-5-29 14225 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point 488 Comment
  UC2028950  Trifolium repens Barbara Ertter 2000-7-16 17389 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  CDA29549  Trifolium subterraneum D. G. Kelch, Troy MacGregor 2009-5-1 9 .283 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UC2028957  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa Richmond Field Station. Comment
  PASA252  Trifolium tridentatum Annetta Carter 1929-3-31 Contra Costa Hills north of Mt. Diablo, near Clayton Comment
  POM194557  Trifolium variegatum var. melananthum Y. Mexia 1929-4-21 20379 Contra Costa Moraga Valley Comment
  CDA28080  Trifolium willdenovii D. G. Kelch, A. G. Murdock 2005-4-24 5 .167 Contra Costa Carquinez Strait Region; Franklin Canyon. Collier Hill. West Carbon. Comment
  UC16751  Trifolium willdenovii W. H. Brewer 1862-5-23 1151 Contra Costa se Mt. Diablo Comment
  UC16752  Trifolium willdenovii W. H. Brewer 1862-5-12 1075 Contra Costa Mt. Diablo Comment
  UC16757  Trifolium willdenovii W. H. Brewer 1862-5-12 1076 Contra Costa Mt. Diablo Comment
  UC1948963  Trifolium willdenovii William J. Ferlatte, L. Maynard Moe 1970-4-27 1261 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC630912  Trifolium willdenovii Mrs. K. Brandegee 1907-5-1 Contra Costa Antioch Comment
  POM252940  Trifolium willdenovii A. A. Heller 1938-4-9 15017 Contra Costa 3 miles southwest of Antioch. Comment
  CDA33819  Trifolium wormskioldii D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .107 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC508  Triglochin striata Jos. Burtt Davy 1900-6-7 6676 Contra Costa Martinez Comment
  UC692009  Trillium chloropetalum Mary L. Bowerman 1931-3-21 592 Contra Costa Mt. Diablo, Sycamore Canyon 350 Comment
  UCD139903  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  SEINET10275395  Trillium ovatum Unknown 1963-4-28 94 Contra Costa Steep north slope about 50 ft above canyon bottom opposite Flicker Ridge 1/4 mi w of Moraga Way, E of Oakland; elev 550 ft.. 167 Comment
  CHSC21622  Triphysaria eriantha Willis Ball 1975-3-15 496 Contra Costa Contra Loma Regional Park. In area #10. In flat area 200 yds ne of dam. 36 Comment
  UC103158  Triphysaria eriantha subsp. eriantha C. F. Baker 1903-4-27 2792 Contra Costa Byron Comment
  CHSC22959  Triteleia laxa Robert A. Schlising; Et al. 1962-4-7 2144 Contra Costa Along road by Antioch Reservoir. Comment
  JEPS58045  Triteleia laxa Helen Bergfried 1918-5-12 Contra Costa vicinity Berkeley; , Wildcat Creek Comment
  UC635732  Triteleia laxa H. L. Mason 1929-3-15 5062 Contra Costa about 5 mi from Brentwood (Marsh Creek Road) Comment
  UCSB829  Triteleia laxa Hand, B. 1960-4-10 Contra Costa 1.8 miles from south gate on Mt. Diablo road, Mt. Diablo Comment
  JEPS99563  Triticum aestivum Mary Bowerman 1978-5-21 Contra Costa Mount Diablo, E side Hetherington Loop. Comment
  RSA428387A  Tropidocarpum capparideum Edward L. Greene 1889-3-24 s.n. Contra Costa Byron Comment
  JEPS68961  Tropidocarpum gracile Edward Lee 1935-3-10 1239 Contra Costa e. Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  UC64343  Tropidocarpum gracile H. M. Hall 1901-4-5 1742 Contra Costa Pine Canyon Region of San Francisco Bay, Mt. Diablo Comment
  UC691062  Tropidocarpum gracile Mary L. Bowerman 1932-2-28 1092 Contra Costa ridge e Rhine Canyon; Mount Diablo 579 Comment
  UC691063  Tropidocarpum gracile Mary L. Bowerman 1933-3-18 1750 Contra Costa floor of canyon above Olafson's; Mount Diablo, Curry Canyon Comment
  UC1241770  Typha Malcolm A. Nobs and S. Galen Smith 1949-6-28 879 Contra Costa on road to Martinez about two mi s Crockett Comment
  JEPS111911  Typha angustifolia Dean G. Kelch and Andrew G. Murdock 2004-5-28 AGM 281 Contra Costa Refugio Valley. 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
  SD45082  Ulex europaeus W. W. Jones 1927-10-27 Contra Costa Crockett Comment
Read comments
Jul 11 2010
  UC691943  Umbellularia californica Mary L. Bowerman 1930-8-31 453 a Contra Costa Mount Diablo, Sloan Road e of the Sloan place (Inner Black Hills) Mount Diablo Comment
  CAS-BOT-BC381826  Uropappus lindleyi Alice Eastwood 1923-5-4 11727 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC381828  Uropappus lindleyi Mary L. Bowerman 1935-4-17 2831 Contra Costa Mount Diablo. West road 2 miles from entrance 237 Comment
  JEPS36205  Uropappus lindleyi W. L. Jepson 1922-5-23 9652 Contra Costa Mt. Diablo Comment
  UC691799  Uropappus lindleyi Mary L. Bowerman 1933-6-3 2242 Contra Costa Ransom Point Ridge , Ransom Point Ridge (Mount Diablo) Comment
  JEPS111920  Urtica dioica subsp. holosericea Dean G. Kelch and Andrew G. Murdock 2004-5-7 DGK 04 .197 Contra Costa Canada del Cierbo. Comment
  UC1121122  Vaccinium ovatum R. W. Lundh 1933-1-12 186 Contra Costa 0.5 mi s Round Mt.; Concord Quad. 609 Comment
  UCD118078  Vaccinium ovatum Beecher Crampton 1957-11-20 4650 Contra Costa Border of Alameda county line. East facing slope, between Round and Redwood Regional Parks, Berkeley Hills. Comment
  UC691756  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-9-27 464 Contra Costa West base spring (2 miles by road from North Gate, take trail to west; follow to fence, go through). Comment
  UCD17863  Verbesina encelioides subsp. exauriculata Glen Holstein 2000-6-23 s.n. Contra Costa Midway between Brentwood and Oakley on west side of Highway 4. Comment
  UC1005955  Viburnum cylindricum N. Floy Bracelin 1945-2-4 2075 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC691563  Viburnum ellipticum Mary L. Bowerman 1933-5-19 2143 Contra Costa Sulphur Spring Canyon, e fork Mount Diablo 457 Comment
  UC1050076  Viburnum foetidum var. rectangulatum N. Floy Bracelin 1941-7-13 1476 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC2070475  Vicia americana Barbara Ertter with Linda Vorobik 2002-4-6 17825 Contra Costa South side of Mount Diablo, ridge east of Curry Point trailhead. Comment
  UCSB12524  Vicia americana Grah, Nancy 1962-4-4 Contra Costa 1.4 miles north of Tarry Lane on Tappen Lane, Orinda 243 Comment
Read comments
Mar 15 2008
  UCD35903  Vicia americana var. americana Beecher Crampton 1966-4-26 7667 a Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  CDA4416  Vicia benghalensis D. G. Kelch, A. G. Murdock 2005-3-24 5 .06 Contra Costa Carquinez Strait Region; Southern Point Pinole. Comment
  UC1795744  Vicia benghalensis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14220 Contra Costa Mt. Diablo southeast of Walnut Creek, roadside at Curry Point. 541 Comment
  UC2027811  Vicia sativa subsp. sativa Barbara Ertter with Holly Forbes 1997-4-20 15546 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC1300882  Vicia villosa subsp. varia Helen K. Sharsmith 1962-4-18 4946 Contra Costa road above Carquinez Straits (Crockett-Martinez road); San Francisco Bay Region 60 Comment
  RSA29586  Vinca major Joseph A. Ewan 1936-5-31 9710 Contra Costa West rim of Wildcat Canyon Comment
  UC1121599  Viola pedunculata H. S. Yates 1936-3-14 5355 Contra Costa 1/2 mi n of mouth of Perkins Canyon 228 Comment
  UC19314  Viola pedunculata F. P. McLean March 1875 Contra Costa near Concord Comment
  POM135226  Viola pedunculata H. P. Chandler 1901-3-21 844 Contra Costa Concord. Comment
  UC19340  Viola purpurea subsp. quercetorum Harley P. Chandler 1901-4-5 989 Contra Costa Mount Diablo Comment
  UC422922  Viola purpurea subsp. quercetorum E. W. Hicks 1917-3-25 109 Contra Costa w shoulder of Mount Diablo 762 Comment
  CAS-BOT-BC203041  Vitis californica A. D. E. Elmer 1903-7-1 4955 Contra Costa Mount Diablo Comment
  LA209893  Vitis californica Joseph Andorfer Ewan; 1934-5-20 8936 Contra Costa Mt. Diablo, Russelmann Park Comment