Search Results — 2000 specimen records retrieved (1355 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1211990  Abutilon theophrasti R. P. and Perry Allen 1961-8-11 Contra Costa 4 mi e Byron Comment
  JEPS87956  Acacia melanoxylon Barbara Ertter 1991-5-12 9815 Contra Costa in sw corner El Cerrito (Point Isabel Regional Shoreline, along old railroad right-of-way between bay and salicornia marsh); San Francisco Bay, Point Isabel Regional Shoreline Comment
  UC1779711  Acacia verticillata Rudolf Schmid 1997-5-21 1997 -12 Contra Costa Hillside Natural Area, El Cerrito; NW of King Ct. entrance. 175 Comment
  CAS-BOT-BC331612  Acer macrophyllum Paul F. Covel 1940-4-21 s.n. Contra Costa Las Trampas Canyon Comment
  CAS-BOT-BC331615  Acer macrophyllum Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10621 Contra Costa Curry Canyon, 3.4 miles S of Recreation Ground Comment
  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
  JEPS42648  Acer macrophyllum W. L. Jepson 1916-10-28 6853 a Contra Costa Las Trampas Creek Comment
  SD45088  Acer macrophyllum W. Jones 1927-6-2 Contra Costa Crockett Comment
Read comments
Jul 11 2010
  SEINET12766391  Acer macrophyllum M. E. Matheron 1968-4-14 55 Contra Costa 2 miles from entrance to Mt. Diablo State Park on North Gate Road, Mt. Diablo.; 0 457 Comment
  POM284638  Acer negundo subsp. californicum Lyman D. Benson 1931-3-18 2656 Contra Costa Walnut Creek. 61 Comment
  CAS-BOT-BC334178  Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa Creek bank, Moraga Valley, 2.5 miles north of Moraga 182 Comment
  CAS-BOT-BC334181  Acer negundo var. californicum Annetta Carter 1937-3-28 1227 Contra Costa Creek bank, Moraga Valley, 2.5 miles north of Moraga 182 Comment
  CAS-BOT-BC334179  Acer negundo var. californicum Mary L. Bowerman 1931-10-23 1063 a Contra Costa Mount Diablo. Riggs Canyon mouth 228 Comment
  CHSC23337  Achillea millefolium Willis Ball 1975-2-23 447 Contra Costa Contra Loma Regional Park. In area #2. On n facing slope ca. 100 yds nw of boat ramp on w side of lake. 36 Comment
  RSA762306  Achillea millefolium William J. Ferlatte, L. M. Moe 1970-4-27 1227 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CAS-BOT-BC29882  Achyrachaena mollis J. H. Thomas 1953-4-25 2999 Contra Costa about 2 miles southwest of Brentwood Comment
  CAS-BOT-BC29887  Achyrachaena mollis James I. W. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CDA29508  Achyrachaena mollis D. G. Kelch, Troy MacGregor 2009-5-1 9 .284 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  JEPS111743  Achyrachaena mollis Dean G. Kelch and Andrew G. Murdock 2005-3-26 05 .101 Contra Costa Concord Airport Large, low, wet field north and east of Concord Airport immediately north of Little League ball fields 5 Comment
  UCD84946  Achyrachaena mollis Chuck Hughes 2010-3-29 218 Contra Costa About 0.7 mile south of Vasco Road. 238 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
  POM181443  Achyrachaena mollis I. L. Wiggins 1930-4-17 s.n. Contra Costa 1 mile E of Mountain House on road to Byron Comment
  CHSC116627  Acmispon americanus var. americanus Lowell Ahart; Josephine Guardino 2016-4-19 20781 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. On dry bare soil, below the high water line of Los Vaqueruss Reservoir, 1.4 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UCD104135  Acmispon glaber G. Thomas Robbins 1959-4-12 3983 Contra Costa About 1/2 mile southwest of junction of Hoffmann Blvd. and S. 25th St., Richmond. 6 Comment
  CDA20180  Acroptilon repens A. Niang 2003-7-9 PDR 1406327 Contra Costa San Francisco Bay Area; 5225 Hidorn Ranch Rd, Brentwood. 0 Comment
  UCD128498  Acroptilon repens Collector unknown 1928-8-1 1428 Contra Costa Richmond. Comment
  UC691158  Adenostoma fasciculatum Mary L. Bowerman 1933-2-4 1689 Contra Costa flats e. of Meridian-North Peak divide Mt. Diablo 822 Comment
  SEINET11906748  Adenostoma fasciculatum E. L. Core 1952-1 s.n. Contra Costa Mt. Diablo Comment
  RSA453156  Adenostoma fasciculatum var. fasciculatum Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo 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
  SEINET6412858  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mount Diablo State Park, trail from Mitchell Cn. Prkng to Donner Cr. 900 Comment
  UC18188  Aesculus californica Ivar Tidestrom Jun 1895 Contra Costa Comment
  SEINET12232133  Aesculus californica M. T. Dorett 1930-1 77 Contra Costa Marsh Creek Comment
  JEPS36285  Agoseris grandiflora W. L. Jepson 1919-6-8 8329 Contra Costa Mt. Diablo Comment
  JEPS99561  Agoseris grandiflora Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, (probably Back Canyon or foot trail to Donner Canyon). Comment
  UC2028295  Agoseris grandiflora Barbara Ertter, Dan Norris 1998-6-18 16218 Contra Costa Rock City area on south side of Mount Diablo, W Fossil Ridge Trail. Comment
  SEINET6738507 Image available Agoseris heterophylla H. P. Chandler 1901-4-5 976 A Contra Costa Mt. Diablo Comment
  UC29357  Agoseris heterophylla var. heterophylla H. M. Hall 1901-4-5 1726 Contra Costa Mt. Diablo; San Francisco Bay region Comment
  UC517466  Agoseris heterophylla var. heterophylla J. Thomas Howell 1933-5-14 11260 Contra Costa hills east of St. Mary's College Comment
  JEPS96230  Agrostis avenacea Barbara Ertter, Brad Olson 1991-9-28 10831 Contra Costa San Pablo Reservoir between Orinda and El Sobrante (at s. end of reservoir); San Pablo Reservoir 91 Comment
  RSA0029681  Agrostis avenacea Barbara Ertter, Tony Morosco 1998-9-18 16425 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, north quarry area [subsequently developed]. 122 Comment
  UCD37372  Agrostis exarata var. pacifica Beecher Crampton 1959-9-3 5455 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek, East Bay Municipal Utilities District Project. Comment
  CDA962  Agrostis pallens D. G. Kelch 2005-6-14 5 .33 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  CDA9763  Agrostis pallens D. G. Kelch 2002-5-24 2 .019 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  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
  UC2028465  Agrostis stolonifera Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15670 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait Comment
  JEPS99493  Agrostis viridis Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, near Chase Pond. Comment
  JEPS99592  Agrostis viridis Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond, South side. Comment
  UC50548  Agrostis viridis Jos. Burtt Davy 1897-9-4 4082 Contra Costa Stege Comment
  JEPS111085  Aira caryophyllea Lee Echols 2003-7-7 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
  UC1108976  Aira caryophyllea Leo and Shirley Koch 1947-4-20 1343 Contra Costa 0.5 mi s Giant (meadow between golf course and railroad) 3 Comment
  POM300734  Aira caryophyllea Mary L. Bowerman 1942-5-24 3844 Contra Costa Lower Rock City Camp, Fossil Ridge 457 Comment
  UC2028451  Alisma triviale Barbara Ertter with Joanne Kerbavaz 2000-8-20 17500 Contra Costa Frog Pond on southeast side of Mount Diablo Comment
  RSA107394  Allenrolfea occidentalis L. S. Rose 1955-9-12 55173 Contra Costa 2 miles E of Byron. 15 Comment
  SD39067  Allium amplectens McCallum 1933-4-24 3715 Contra Costa Top of hill between Walnut Creek and Berkeley. Comment
  CAS-BOT-BC469113  Allium falcifolium Alice Eastwood 1915-5-30 4531 Contra Costa Mt. Diablo Comment
  UC635248  Allium serra H. L. Mason 1928-4-29 4421 Contra Costa Sycamore Canyon, s slope of Mount Diablo Mount Diablo, Sycamore Canyon 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-BC475529  Allium serra Alice Eastwood 1922-5-21 11321 Contra Costa Arroya del Valle near Livermore Comment
  UC1819012  Allium unifolium Barbara Ertter, Mary Bowerman et al. 1995-5-7 14057 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, creek crossing on north-facing slope, edge of woods and open slopes. Comment
  UC2028115  Allium unifolium Barbara Ertter with Richard K. Brummitt 1998-5-6 16094 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin. Comment
  RSA172743  Allophyllum gilioides Mary L. Bowerman 1935-4-26 2904 Contra Costa West of Indian Ceremonial Spring, three miles by road above junction. 1021 Comment
  CAS-BOT-BC170927  Alnus rhombifolia Mary L. Bowerman 1931-10-13 1058 Contra Costa Mount Diablo. Alamo Canyon 259 Comment
  JEPS58619  Alnus rhombifolia W. L. Jepson 1899-2-26 Contra Costa Wild Cat Creek Berkeley Hills Comment
  POM300606  Alnus rhombifolia Mary L. Bowerman 1931-10-13 1058 Contra Costa Alamo Canyon. Mount Diablo. 259 Comment
  JEPS113358  Alopecurus myosuroides Bob Battagin 2007-3-9 Contra Costa San Pablo Reservoir, W shore. Comment
  CDA31390  Alopecurus saccatus P. B. Kennedy 1916-5-11 Contra Costa Richmond, Grand View Terrace. 0 Comment
  CDA37403  Amaranthus albus D. G. Kelch, Mike Perlmutter 2011-9-23 11 .758 Contra Costa Entry to Discovery Bay. Comment
  UC691932  Amaranthus albus Mary L. Bowerman 1935-6-28 3176 Contra Costa s of Meridian Peak summit (300 yds e of the meridian fence); Mt. Diablo 487 Comment
  CDA15289  Amaranthus albus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14729 Contra Costa Sacramento Delta; Along top of levee separating Dow Ecological Reserve and San Joaquin R. Comment
  CDA9491  Amaranthus blitoides D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .215 Contra Costa Byron Airport. Comment
  JEPS85854  Amaranthus deflexus Barbara Ertter with Elizabeth Neese 1988-10-15 7973 Contra Costa w I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito Comment
  UC1585978  Amaranthus deflexus Barbara Ertter with Elizabeth Neese 1988-10-15 7973 Contra Costa w of I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito Comment
  CDA9966  Ambrosia chamissonis D. G. Kelch, A. G. Murdock 2004-7-9 4 .312 Contra Costa Carquinez Strait; Rodeo Shore. Rodeo Shoreline. Comment
  UC1555375  Ambrosia psilostachya Jerry Powell 1988-8-25 1547 Contra Costa w, on sandy beach Richmond; Point Molate Comment
  CAS-BOT-BC142927  Amelanchier utahensis H. E. McMinn 1923-6-13 231 Contra Costa From 6 mi. n. of Camp Frost on Livermore & Mt. Hamilton Road 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-BC222219  Amsinckia John Thomas Howell 1934-4-8 11826 Contra Costa South of Antioch Comment
  CAS-BOT-BC222221  Amsinckia John Thomas Howell 1934-4-8 11814 Contra Costa 7 miles from Clayton on road to Livermore Comment
  JEPS17177  Amsinckia eastwoodiae Francia Chisaki, Rimo Bacigalupi 1957-3-27 914 Contra Costa 2.2 mi se Byron (on Byron Hwy) Comment
  JEPS24884  Amsinckia grandiflora T. S. Brandegee May, 1887 Contra Costa Judsonville (in the Hills south of Antioch) Comment
  JEPS17178  Amsinckia intermedia Francia Chisaki, Rimo Bacigalupi 1957-3-27 5759 Contra Costa 0.1 mi nw of crossing with Empire Avenue (along Neroly Road) 24 Comment
  SBBG39713  Amsinckia intermedia J. T. Howell 1933-5-14 11225 Contra Costa St Mary's College Comment
  CAS-BOT-BC222463  Amsinckia lunaris Robert F. Hoover 1939-5-20 4105 Contra Costa Lower end of San Pablo Reservoir Comment
  CAS-BOT-BC222464  Amsinckia lunaris Joseph P. Tracy 1934-4-30 13196 Contra Costa Near Lafayette 152 Comment
  UC1084622  Amsinckia lunaris Francia Chisaki, Peter Kamb Ray 1952-5-4 2275 Contra Costa 1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road Comment
  UC762022  Amsinckia lunaris R. F. Hoover 1938-4-20 3178 Contra Costa lower end San Pablo Resevoir Comment
  UC24601 Image available Amsinckia lycopsoides J. Burtt Davy 1895-4-7 887 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  CAS-BOT-BC26957  Amsinckia sparsiseta Alice Eastwood 1914-3-14 3796 Contra Costa Byron Springs Comment
  CHSC75115  Anagallis arvensis Roger Thom 1987-5-26 21 Contra Costa 2800 block of Buena Vista Ave. Walnut Creek. 30 Comment
  UC2031455  Anagallis arvensis Barbara Ertter with David Gowen, Mike Park, Chris Thayer et al. 2014-4-12 21711 Contra Costa South tributary of Perkins Canyon at Prospectors Gap Road, Ginochio property on east side of Mount Diablo Comment
  UC196982  Ancistrocarphus filagineus Chesnut and Drew 1889-4-18 Contra Costa sand hills Antioch Comment
  UC2027713  Ancistrocarphus filagineus Barbara Ertter with Stu Garrett 1997-3-29 15526 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  CAS-BOT-BC46937  Androsace elongata subsp. acuta Mary L. Bowerman 1932-3-12 1116 Contra Costa Alamo Canyon, 50' above stream. 365 Comment
  JEPS108327  Androsace elongata subsp. acuta David Gowen, Mike Parks 2005-3-6 177 Contra Costa Mt. Diablo State Park. North-facing slope not far from summit of Oyster Point. Comment
  UCD84947  Androsace elongata subsp. acuta Chuck Hughes 2010-3-29 219 Contra Costa About 0.7 mile south of Vasco Road. 239 Comment
  CDA1106  Angelica californica D. G. Kelch, A. G. Murdock 2003-8-13 3 .127 Contra Costa Carquinez Strait; Vaca Canyon. Comment
  UC692259  Angelica californica Mary L. Bowerman 1932-5-6 1420 Contra Costa Mount Diablo, Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon 228 Comment
  UC692563  Angelica californica Mary L. Bowerman 1935-6-21 3149 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 274 Comment
  CHSC75049  Anthemis cotula Roger Thom 1987-5-27 24 Contra Costa 1900 block of Olympic Blvd. (at Newell Ave.), Walnut Creek. 15 Comment
  UC697132  Anthemis cotula Mary L. Bowerman 1930-6-3 228 Contra Costa North Road (1.9 mi from entrance) Mount Diablo 167 Comment
  CAS-BOT-BC84716  Anthemis cotula Mary L. Bowerman 1930-6-3 228 Contra Costa Mount Diablo. North Road, 1.9 miles from entrance 167 Comment
  RSA0008239  Antirrhinum elmeri A. D. E. Elmer 1903-06 4809 Contra Costa Mount Diablo Comment
  JEPS107090  Antirrhinum majus Barbara Ertter, Brad Olson 1994-5-7 12744 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  UC1795735  Antirrhinum majus Barbara Ertter, Brad Olson 1994-5-7 12744 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  SBBG33408  Antirrhinum vexillocalyculatum A. D. E. Elmer -Jun-1903 4809 Contra Costa Mount Diablo Comment
  SEINET8242148  Antirrhinum vexillocalyculatum A. D. E. Elmer 1903-1 4809 Contra Costa Mount Diablo. Comment
  JEPS112078  Aphanes occidentalis D. G. Kelch 2003-4-3 03 .347 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  CDA15262  Apocynum cannabinum G. F. Hrusa, D. Crowe 1998-5-8 14393 Contra Costa Sacramento Delta; Along Antioch-Pittsburg highway adjacent to E end of Dow Chemical property in Pittsburg. Comment
  UC1795686  Aquilegia formosa Barbara Ertter, Mary L. Bowerman 1994-6-19 12840 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, Comment
  UC9004  Aquilegia formosa G. Survey 1862-5-23 1156 Contra Costa Mount Diablo Comment
Read comments
Jan 20 2011
  CAS-BOT-BC128690  Arbutus menziesii H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  CAS-BOT-BC128692  Arbutus menziesii W. W. Carruth 1900-4-1 s.n. Contra Costa Redwood Canyon [Canon] 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
  UC692044  Arceuthobium campylopodum Mary L. Bowerman 1931-10-31 1064 Contra Costa south Rd near junction Mount Diablo Comment
  UC2028013  Arceuthobium campylopodum Barbara Ertter 1997-11-1 15877 Contra Costa South side Mount Diablo, Knobcone Point Road east of junction with Black Hawk Ridge Road. Comment
  UC615582  Arceuthobium campylopodum Beryl O. Schreiber 1933-10-5 937 Contra Costa rd to Mt Diablo Comment
  UCSB21792  Arctostaphylos andersonii Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley 274 Comment
  CAS-BOT-BC24118  Arctostaphylos auriculata Alice Eastwood 1922-5-14 11311 Contra Costa Mt. Diablo 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
  CAS-BOT-BC27223  Arctostaphylos auriculata Alice Eastwood 1903-2-22 s.n. Contra Costa Mt. Diablo Comment
  JEPS38914  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2751 Contra Costa w face Lime Ridge (between two cuts of the Cowell Cement Company); Mount Diablo Comment
  POM131658  Arctostaphylos auriculata Alice Eastwood 1903-2-22 3161 Contra Costa Mt Diablo Comment
  RSA212152  Arctostaphylos auriculata L. S. Rose 1970-4-2 70023 Contra Costa Rock City, Mount Diablo. 426 Comment
  RSA622481  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27594 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  SBBG39549  Arctostaphylos auriculata L. S. Rose 1970-4-2 70023 Contra Costa Rock City, Mt Diablo 426 Comment
  CAS-BOT-BC23557  Arctostaphylos crustacea J. E. Adams 1934-3-9 623 Contra Costa Moraga Ridge 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
  UC2029046  Arctostaphylos crustacea subsp. crustacea Barbara Ertter with Linda Vorobik 2000-1-9 16889 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  CHSC20599  Arctostaphylos glandulosa Robert A. Schlising 1962-2-21 2081 Contra Costa Coast Ranges. Berkeley-Oakland Hills of westernmost part of county. Comment
  JEPS46405  Arctostaphylos glandulosa W. L. Jepson 1919-1-25 9209 Contra Costa Moraga Ridge Comment
  CAS-BOT-BC24850  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 Contra Costa Contra Costa Co. Comment
  JEPS38918  Arctostaphylos glandulosa subsp. glandulosa Mary L. Bowerman 1932-3-20 1123 Contra Costa ne fork of canyon Mount Diablo, Sycamore Canyon (toward top of middle ridge) Comment
  RSA367269  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 a Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC24653  Arctostaphylos glauca Mary L. Bowerman 1933-2-4 1691 Contra Costa Mount Diablo, Perkins Canyon, s. fork. Comment
  CAS-BOT-BC24654  Arctostaphylos glauca Mary L. Bowerman 1930-6-22 362 Contra Costa Mount Diablo, Mitchell Canyon. Comment
  JEPS38917  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge Comment
  RSA721734  Arctostaphylos glauca Barbara Ertter, Holy Forbes 1996-2-11 14548 Contra Costa North side Mount Diablo; Murchio Gap on Median Ridge Road. 732 Comment
  UC692497  Arctostaphylos glauca Mary L. Bowerman 1930-8-24 423 Contra Costa lower trail Mount Diablo, Mitchell Canyon Comment
  UC2028040  Arctostaphylos glauca Barbara Ertter 1998-3-7 15929 Contra Costa Southwest side of Mount Diablo, west-most knoll on Fossil Ridge, at end of fire road. Comment
  RSA632821  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27588 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  SEINET11977789  Arctostaphylos manzanita M. T. Doutt 1930-1 85 Contra Costa Marsh Creek Comment
  CAS-BOT-BC38876  Arctostaphylos manzanita subsp. laevigata L. R. Abrams 1910-10-8 4345 Contra Costa Mt. Diablo 548 Comment
  CAS-BOT-BC38923  Arctostaphylos manzanita subsp. laevigata Alice Eastwood 1922-5-14 11312 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC38924  Arctostaphylos manzanita subsp. laevigata Alice Eastwood 1922-5-17 11085 Contra Costa Mt. Diablo Comment
  JEPS124457  Arctostaphylos manzanita subsp. laevigata Daniel Slakey with CNPS Volunteers 2015-6-29 132 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  JEPS78231 Image available Arctostaphylos manzanita subsp. laevigata James Roof 1009 Contra Costa along Black Diamond Trail Black Diamond Regional Reserve; Black Diamond Trail, of the Black Diamond Regional Preserve, Contra Costa Co. 121 Comment
  JEPS98841  Arctostaphylos manzanita subsp. laevigata Richard Hildreth and Roy Brewer 1964-10-7 Contra Costa Rock City, head of Dan Cook Canyon, W of nature trail Mount Diablo Comment
  RSA257622  Arctostaphylos manzanita subsp. laevigata Gary D. Wallace 1975-8-26 1501 Contra Costa Mt. Diablo St. Pk., E. of Danville, out trail from Curry Point. Comment
  UC549753  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 684 Contra Costa Mt. Diablo Comment
  UC549756  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 685 Contra Costa Mt. Diablo Comment
  UC549757  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 687 Contra Costa Mt. Diablo 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
  UCD51723  Arctostaphylos manzanita subsp. laevigata H. A. Jensen 1938-10-27 451 Contra Costa Head of Curry Canyon. 518 Comment
  UCD51727  Arctostaphylos manzanita subsp. laevigata R. C. Wilson 1935-2-26 112 Contra Costa 3/4 mile southwest of Somersville. 411 Comment
  UC2028017  Arctostaphylos manzanita subsp. laevigata Barbara Ertter 1997-9-14 15818 Contra Costa Southwest side of Mount Diablo, Wall Point Road on open sandstone ridge northwest of Wall Point. Comment
  CAS-BOT-BC24382  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1980-3-16 3713 Contra Costa Opposite 5996 Skyline Drive, El Sobrante. Comment
  CAS-BOT-BC24387  Arctostaphylos manzanita subsp. manzanita Alice Eastwood; John Thomas Howell 1936-4-19 2129 Contra Costa Nortonville. Comment
  CAS-BOT-BC24392  Arctostaphylos manzanita subsp. manzanita Walter Knight 1979-5-31 3376 Contra Costa Morgan Territory Regional Land Bank. Comment
  CAS-BOT-BC24397  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-3-6 876 Contra Costa Sycamore Canon. Comment
  CAS-BOT-BC24399  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1938-6-24 3693 Contra Costa Mount Diablo, Road 8.9 mi. from North Gate: crest or ridge above road (below Pines Picnic Area). 792 Comment
  CAS-BOT-BC42234  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  SBBG114892  Arctostaphylos pallida C. Bornstein 1999-3-20 Contra Costa Sobrante Ridge Regional Preserve 243 Comment
  UC32667  Arctostaphylos pallida E. R. Drew 1888-2-22 Contra Costa Moraga Valley Oak. Comment
  SEINET11987134  Arctostaphylos pungens subsp. laevigata W. Knight, Knight, I. 1980-1 3824 Contra Costa Tilden Botanic Garden, orig. from Mt. Diablo Comment
  JEPS42609  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1944-8-5 27547 Contra Costa Moraga Ridge Oakland Hills Comment
  UC876405  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 624 Contra Costa Moraga Ridge Comment
  SJSU6159  Aristolochia californica C. O. Dudley 1966-5-1 106 Contra Costa Reliez Valley, Briones Hills N of Lafayette 152 Comment
  UCSB24029  Aristolochia californica Olson, Glen 1968-3-21 Contra Costa Fifty yards on the north side of School Street, 0.4 mile east of its junction with Moraga Road in Lafayette 106 Comment
  CAS-BOT-BC84953  Artemisia californica L. R. Abrams 1910-10-8 4339 Contra Costa Mt. Diablo 609 Comment
  CAS-BOT-BC84954  Artemisia californica Mary L. Bowerman 1931-11-21 1069 Contra Costa Mount Diablo, donner Canyon, east flank. Comment
  UC1119320  Artemisia californica H. A. Jensen 1934-8-19 382 Contra Costa 1 mi nw North Peak; Mt. Diablo Quadrangle Comment
  UC2042495  Artemisia californica Barbara Keller and J. Ruck 2011-6-23 Contra Costa Mt. Diablo State Park, North Gate Rd. Comment
  UC449651  Artemisia californica W. P. Taylor 1912-7-16 Contra Costa 2 mi sw Walnut Creek 121 Comment
  UC1584664  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC2028460  Artemisia douglasiana Barbara Ertter 1997-9-7 15794 Contra Costa North side Mount Diablo, Donner Creek crossing at south end of Hetherington Trail Comment
  CAS-BOT-BC90295  Artemisia douglasiana John Thomas Howell 1925-9-19 1467 Contra Costa East side of Moraga Ridge near south end, Oakland Hills Comment
  RSA603956  Artemisia douglasiana Joseph A. Ewan 1934-5-20 8934 Contra Costa Contra Costa County: Russelmann Park, N side Mt. Diablo Comment
  CAS-BOT-BC400500  Asarum caudatum John Thomas Howell 1925-9-12 1439 Contra Costa San Leandro Canon [Canyon], Oakland Hills Comment
  RSA0031304  Asclepias californica Barbara Ertter 2000-5-14 17019 Contra Costa Donner Basin on north side of Mount Diablo, upper end of Falls Trail near junction of Cardinet Oaks Road. 427 Comment
  UC219339  Asclepias californica H. M. Hall 1922-5-7 11804 Contra Costa Marsh Creek; 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
  CDA28791  Asclepias cordifolia D. G. Kelch, Troy MacGregor 2009-5-24 9 .302 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  UCD121325  Asclepias fascicularis Francis D. Galey 1989-10-31 s.n. Contra Costa ca. 4-5 miles southwest of Byron, upper ranch area of Vaquero Farms, southeast of Diablo Canyon Road. Comment
  HSC22051  Asparagus officinalis B. Dwelley 1966-4-9 9 Contra Costa Edens Plains Rd. 4 mi. E of Brentwood 20 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
  UC1795104  Asphodelus fistulosus Barbara Ertter, Tony Morosco 2000-4-12 16959 Contra Costa Vasco Road 0.4 miles north of Tesla Road southeast of Livermore; roadside. Comment
  RSA417743  Aster radulinus M. B. Dunkle 1931-7-18 2532 Contra Costa Strawberry Canyon, Berkeley 152 Comment
  CAS-BOT-BC478053  Asteraceae James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC180528  Astragalus asymmetricus M. K. Curran 1886-5-1 51 Contra Costa Antioch Comment
  UC13388  Astragalus asymmetricus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  SEINET3127336  Astragalus asymmetricus M. K. Curran 1886-5-18 sn Contra Costa Antioch Comment
  UC13345  Astragalus didymocarpus W. H. Brewer 1862-5-19 1115 Contra Costa n (Kirker Pass?) Kirker's Pass; n of Kirker's Pass Comment
  UC10226  Athysanus pusillus T. S. Brandegee Contra Costa Antioch Comment
  UC1301000  Athysanus pusillus Helen K. Sharsmith 1963-3-3 5191 Contra Costa e of St. Mary's College (near Moraga, Las Trampas Canyon); San Francisco Bay Region, Las Trampas Canyon 259 Comment
  UC691076  Athysanus pusillus Mary L. Bowerman 1931-2-28 525 Contra Costa Fossil Ridge near Rock City (Mount Diablo); , Fossil Ridge 518 Comment
  CAS-BOT-BC168564  Atriplex cordulata Walter Knight 1977-7-4 s.n. Contra Costa Black Diamond Mines Regional Preserve near Antioch. About 1 mile south of Contra Loma Regional Park 45 Comment
  UCD97337  Atriplex cordulata Robert E. Preston; David Muth 1993-9-3 633 Contra Costa 1500 feet north of Marsh Creek Road, 2.75 miles west of its junction with Vasco Road. 91 Comment
  CAS-BOT-BC168541  Atriplex coronata R. E. Frenkel 1964-7-10 648 Contra Costa On Balfour Road, 0.2 miles west of Bixler Road 6 Comment
  CDA9500  Atriplex depressa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .227 Contra Costa Byron Airport. Comment
  UC2042867  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  UCD158699  Atriplex prostrata James A. Neilson Jr. 1972-10-22 3509 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  UC2029106  Atriplex semibaccata Barbara Ertter 1990-9-30 9655 Contra Costa SE of Hilltop Mall in N Richmond, near Day's Inn. Comment
  NY324276  Atriplex spicata W. H. Brewer 1862-5-31 1190 Contra Costa Joaquin Valley Comment
  CDA19833  Avena barbata P. Akers 2002-5-11 s.n.- 1 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  UC53767  Avena barbata J. Burtt Davy May, 1898 Contra Costa Livermore Region Of Mount Diablo Comment
  CAS-BOT-BC146021  Avena barbata Mary L. Bowerman 1933-5-8 2002 Contra Costa Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate. 289 Comment
  CHSC21645  Avena fatua Willis Ball 1975-3-2 469 Contra Costa Contral Loma Regional Park. In area #2. On s side of hill ca. 55 myds. ne of single restroom at sw end of lake. 39 Comment
  JEPS84887  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
  SEINET5607235 Image available Avena fatua Rachel Van Noord 1998-1 12 Contra Costa Dinosaur Hill Park, Pleasant Hill Comment
  UCD56372  Avena fatua var. glabrata Beecher Crampton 1956-5-14 3418 Contra Costa 1/2 mile northwest of Martinez. On the road to Crockett. Comment
  UCD56084  Avena occidentalis G. Douglas Barbe 1983-5-22 4081 Contra Costa Mount Diablo State Park. 877 Comment
Read comments
Nov 19 2009
  UC1523840  Avena sterilis Mark Blumler 1986-6-15 Contra Costa Cerrito Creek Richmond (n bank) Comment
  UC2028018  Azolla filiculoides Barbara Ertter 1998-1-4 15889 Contra Costa South end of Diablo Foothills Regional Park southeast of Walnut Creek, Hazzard Pond north of Livorna Staging Area. Comment
  CAS-BOT-BC98766  Baccharis douglasii Walter Knight; I. Knight; S. Rae; B. Doyle; J. T. Howell; E. McClintock 1978-9-5 3209 Contra Costa Browns Island, near Sandy Knoll Comment
  UC1199295  Baccharis glutinosa Joseph P. Tracy 1932-9-10 10784 Contra Costa e of and on Franklin Canyon Road Pinole (Rodeo Creek); , Franklin Canyon Road 60 Comment
  JEPS21278  Baccharis glutinosa J. Thomas Howell 1926-1-17 1627 Contra Costa between Cashion and Las Trampas Ridge Cashion Comment
  LA203046  Baccharis glutinosa Joseph Andorfer Ewan; 1936-8-30 10119 Contra Costa Shasta road, W rim Wildcat Canyon Comment
  UC691906  Baccharis pilularis Mary L. Bowerman 1930-9-27 470 Contra Costa west road 2 miles from entrance North Road; Mount Diablo Comment
  UCD73335  Baccharis salicifolia Chuck Hughes 2008-4-22 26 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 179 Comment
  UC202943  Baccharis salicifolia subsp. salicifolia Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC30399  Baccharis salicifolia subsp. salicifolia H. N. Bolander 1866-4-1 6162 Contra Costa near Mount Diablo Comment
  PASA2177  Baeria chrysostoma Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  CHSC23338  Balsamorhiza deltoidea Willis Ball 1975-3-26 511 Contra Costa Contra Loma Regional Park. In area #8. On N facing slope near top of hill ca. 500 yds S of main parking lot ca. 760 yds W of Contra Loma Blvd. 146 Comment
  JEPS12785  Balsamorhiza deltoidea Rimo Bacigalupi with G. T. Robbins 1955-5-4 4978 Contra Costa along road to Irish Canyon (s of and above Nortonville) 426 Comment
  OBI16940  Balsamorhiza deltoidea Rimo Bacigalupi 1955-5-4 4978 Contra Costa S of and above Nortonville, along rd to Irish Cyn 427 Comment
  CDA34211  Bellardia trixago D. G. Kelch 2011-5-28 11 .541 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  CDA39043  Bellardia trixago D. G. Kelch 2011-6-5 11 .571 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  JEPS108533  Bellardia trixago Lisa Schultheis with Kevin Hintsa 1995-4-25 70 -95 Contra Costa Mount Diablo. Along connector trail between Pine Canyon and the Brioines/Mount Diablo Trail Comment
  JEPS11296  Bellardia trixago Joseph P. Tracy 1921-5-17 5566 Contra Costa near Martinez; Northern Coast Ranges 30 Comment
  UC1584667  Bellardia trixago Jerry Powell 1987-7-14 1500 Contra Costa Point Molate Beach Comment
  SD26790  Bellardia trixago Paul Covel May 1938 Contra Costa Bet. Martenez and Crockett Comment
  SD30222  Bellardia trixago P. O. Schallert 1943-4-27 Contra Costa 1 mile east of Martinez, in meadow Comment
  UCD122097  Bellardia trixago Roman Gankin 1962-5-18 s.n. Contra Costa Near abandoned railroad bed on east side of Pinehurst Road, ca. 1/4 mile north of junction of this road with Canyon Road, ca. 2 miles west of Moraga. Comment
  SEINET3386108 Image available Blennosperma californicum Lewis S. Rose 1933-3-10 33008 Contra Costa Marsh creek, open hillsides Comment
  UCR51760  Blennosperma nanum L. S. Rose 1949-3-24 49011 Contra Costa 4 miles south of Byron 8 Comment
  POM247237  Blennosperma nanum Annetta Carter 1937-3-28 1225 Contra Costa Marsh Creek Road, 15 miles east of Concord. 152 Comment
  CAS-BOT-BC100698  Blennosperma nanum var. nanum Alice Eastwood 1914-3-14 3768 Contra Costa Byron Springs 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
  CAS-BOT-BC100704  Blennosperma nanum var. nanum Robert F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  UC1119039  Blennosperma nanum var. nanum H. S. Yates 1936-4-14 13818 Contra Costa 1/2 mi n of mouth of Perkins Canyon; Mt. Diablo Quadrangle 228 Comment
  UC565479  Blennosperma nanum var. nanum H. L. Mason 1929-3-15 5045 Contra Costa just s of Nortonville Comment
  CAS-BOT-BC100333  Blepharizonia plumosa R. F. Hoover 1937-8-31 2704 Contra Costa Pittsburg Comment
  CAS-BOT-BC100334  Blepharizonia plumosa Joanne Dean 1978-9-17 s.n. Contra Costa Byron Comment
  CAS-BOT-BC100336  Blepharizonia plumosa R. F. Hoover 1937-9-2 2711 Contra Costa 1 mi. w. of Antioch Comment
  UC762568  Blepharizonia plumosa Robert F. Hoover 1937-9-2 2711 Contra Costa 1 mi w of Antioch Comment
  CAS-BOT-BC100322  Blepharizonia plumosa Eva Buxton 1994-8-10 1099 Contra Costa Cowell Ranch, ca. 0.5 mi. E and 1 mi. S of Marsh Creek Reservoir Comment
  SEINET183705  Boechera breweri L. Constance, J. L. Morrison 1938-4-5 2192 Contra Costa Near Mitchell Canyon on west slope of Mount Diablo. 610 Comment
  CAS-BOT-BC15955  Boechera breweri subsp. breweri Alice Eastwood 1915-5-30 4513 Contra Costa Mount Diablo. Comment
  UC691069  Boechera breweri subsp. breweri Mary L. Bowerman 1932-4-16 1344 Contra Costa Eagle Point Mount Diablo Comment
  UC691073  Boechera breweri subsp. breweri Mary L. Bowerman 1932-3-27 1142 Contra Costa Mitchell Rock Mount Diablo Comment
  SEINET5340097  Boechera breweri subsp. breweri W. C. Blasdale 1896-2-28 s.n. Contra Costa Mt. Diablo Comment
  RSA41191  Boisduvalia glabella Robert F. Hoover 1937-5-19 2119 Contra Costa Byron Hot Springs Comment
  JEPS111899  Bolboschoenus maritimus D. G. Kelch 2004-9-2 04 .335 Contra Costa Pacheco Marsh Marsh east of Martinez and I-680 and east of lone tree Marsh. 5 Comment
  CAS-BOT-BC31331  Bolboschoenus maritimus John Thomas Howell; Gordon H. True 1972-6-29 48943 Contra Costa Low places along Byron Hot Springs Road, SE of Byron. Comment
  UCD146728  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14395 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property in Pittsburg. 15 Comment
  JEPS111884  Bolboschoenus robustus D. G. Kelch 2003-8-13 03 .104 Contra Costa Martinez Marsh 0 Comment
  CDA42003  Boschniakia strobilacea B. Hosman 1974-6-2 s.n. Contra Costa in the native area 0 Comment
  CAS-BOT-BC95309  Bowlesia incana John Thomas Howell 1933-3-29 10901 Contra Costa Nortonville hills 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
  RSA721286  Brachypodium distachyon Barbara Ertter, Mary L. Bowerman 1995-5-7 14026 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road through annual grassland with scattered blue oak south of Marsh Creek. Road. summit. 305 Comment
  UC1818971  Brickellia californica Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14534 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, woods above ranch. 365 Comment
  UC34624  Brickellia californica V. King Chesnut 1887-9-11 Contra Costa Mt. Diablo Comment
  UC691784  Brickellia californica Mary L. Bowerman 1933-9-3 2422 Contra Costa rocky gully on sw side of ridge, e of dry spring and above large flat North Peak (Mount Diablo); , North Peak Comment
  UC691792  Brickellia californica Mary L. Bowerman 1931-9-27 1051 Contra Costa road to Quicksilver Mind (Mount Diablo); Mount Diablo Comment
  JEPS99494  Brickellia californica Mary Bowerman 1994-10-30 Contra Costa Mount Diablo, Hetherington Loop, streamlet just below upper stream crossing. Comment
  CDA31566  Briza maxima D. G. Kelch, Andrew G. Murdock 2004-4-26 4 .139 Contra Costa East Bay.; Point Pinole Comment
  CDA31567  Briza minor D. G. Kelch, Andrew G. Murdock 2004-4-24 4 .104 Contra Costa Carquinez Strait; Canada del Cierbo, along Cumming Skyway at Highway 80 ~ .75 km. 0 Comment
  UC691193  Briza minor Mary L. Bowerman 1931-4-11 686 Contra Costa Pine Canyon Mount Diablo (lower end) 121 Comment
  UC2032822  Bromus carinatus Doran, Andrew Scott 2012-3-20 692 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UCD57881  Bromus carinatus Beecher Crampton 1956-5-14 3393 Contra Costa Just east of old Nortonville. 7 miles southwest of Antioch. Comment
  SEINET191354 Image available Bromus carinatus var. carinatus A. A. Beetle 1942-3-22 2931 Contra Costa Brooks Island, San Francisco Bay near Richmond. Comment
  UC606747  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1975 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  SEINET11695933  Bromus carinatus var. marginatus Unknown 1956-5-14 3393 Contra Costa 7 mi SW of Antioch, just E of old mining town of Nortonville Comment
  UC2028538  Bromus catharticus Barbara Ertter 1998-2-15 15917 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, Edge of Bob Pond and picnic area at Old Borges Ranch. Comment
  CAS-BOT-BC156063  Bromus diandrus Alice Eastwood 1921-4-18 10262 Contra Costa Antioch. Comment
  CHSC116648  Bromus diandrus Lowell Ahart; Josephine Guardino 2016-4-19 20790 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides ot the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS127239  Bromus diandrus Lowell Ahart, Josephine Guardino 2016-4-19 20790 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  UC579864  Bromus diandrus Annetta Carter 1936-4-19 1128 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC691228  Bromus diandrus Mary L. Bowerman 1935-5-3 2954 Contra Costa below Garden-of-the-Jungle Gods (Mount Diablo, Fossil Ridge); Mount Diablo, Fossil Ridge Comment
  UCD58533  Bromus diandrus Beecher Crampton 1956-5-14 3409 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  POM363884  Bromus hordeaceus Anstruther Davidson 1930-07 3244 Contra Costa Mt. Diablo. Comment
Read comments
Mar 6 2011
  UC1131074  Bromus hordeaceus C. M. Belshaw 1936-5-7 2047 Contra Costa 2 mi s of San Ramon 274 Comment
  UC60202  Bromus hordeaceus J. B. Davy 1898-1 Contra Costa Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville Comment
  UC692343  Bromus hordeaceus Mary L. Bowerman 1931-5-13 839 Contra Costa Mount Diablo, Pine Canyon, 1 mi above spring Pine Canyon; Mount Diablo, Pine Canyon Comment
  UC692346  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo Comment
  UC697135  Bromus hordeaceus Mary L. Bowerman 1931-5-13 839 a Contra Costa Mount Diablo, Pine Canyon, 1 mi above spring Pine Canyon; Mount Diablo, Pine Canyon Comment
  UC697215  Bromus hordeaceus Mary L. Bowerman 1931-4-18 732 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 365 Comment
  UCD58674  Bromus hordeaceus L. S. Smith 1914-5-9 UCX 283 Contra Costa Mt. Diablo. West slope. Comment
  CAS-BOT-BC162451  Bromus laevipes Leon E. Pavlick; L. R. Abrams 1921-5-25 8041 Contra Costa At spring 4.25 miles from summit of Mount Diablo. Comment
  UC2070614  Bromus laevipes Barbara Ertter with John Ginochio 2002-6-1 17943 Contra Costa Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  SEINET10835104  Bromus macrostachys Davis 1941-1 Davis B 139 Contra Costa Briones Hills. Cultivated, greenhouse. (See Ph.D. thesis of P.F. Knowles, 1942.) Comment
  POM301030  Bromus madritensis Mary L. Bowerman 1933-5-8 2004 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Entrance 290 Comment
  UC691209  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-5-16 2986 Contra Costa Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park 381 Comment
  UC692347  Bromus madritensis subsp. rubens Mary L. Bowerman 1932-4-27 1385 Contra Costa canyon w of Riggs Canyon (Mount Diablo, Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  SEINET10523815  Bromus rigidus Alan A. Beetle 1942-3-22 Beetle 2932 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  UCD59584  Bromus rubens P. B. Kennedy 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC161947  Bromus rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mount Diablo below the chaparral belt, a little east of the meridian. 548 Comment
  CAS-BOT-BC161953  Bromus rubens Mary L. Bowerman 1931-5-7 810 Contra Costa Mount Diablo. North Peak. Comment
  CDA15253  Bromus stamineus G. F. Hrusa, D. Crowe 1998-5-8 14384 Contra Costa Sacramento Delta; Annual on edge of +- disturbed roadside adjacent to wetland in Dow Ecological Reserve on Dow Chemical property at Pittsburg. Uncommon here. Comment
  UC1103346  Bromus trinii J. P. Tracy 1900-5-24 613 Contra Costa San Francisco Bay Region, Point Richmond Point Richmond; San Francisco Bay Region, Point Richmond 3 Comment
  UC53715  Bromus trinii Jos. Burtt Davy 1900-3-24 6539 Contra Costa Point Richmond Comment
  JEPS84819  Calamagrostis rubescens J. Stratford 1981-6-8 Contra Costa Huckleberry Trail Huckleberry Botanic Regional Preserve Comment
Read comments
Aug 20 2008
  JEPS112038  Calandrinia ciliata D. G. Kelch 2004-3-5 04 .5 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 56 Comment
  UCR12027  Calandrinia ciliata Coleta A. Lawler 1964-5-8 56 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
  CAS-BOT-BC438365  Calandrinia ciliata unspecified No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC438371  Calandrinia ciliata Alice Eastwood 1914-3-6 s.n. Contra Costa Concord Comment
  CHSC24837  Calandrinia ciliata var. menziesii M. A. Callahan 1976-4-14 14 Contra Costa Small pop. 5 m. from roadside w of house at 1976 Mohawk Dr. Pleasant Hill. 115 Comment
  UC1795791  Callitriche heterophylla var. bolanderi Barbara Ertter, Mary Bowerman et al. 1995-5-7 14034 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, in water of pond west of road in grassy flat. Comment
  UC2031431  Callitriche marginata Barbara Ertter with David Gowen 2006-6-6 18677 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south Moraga Comment
  UC2028568  Callitriche trochlearis Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15516 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC2031422  Calochortus albus Barbara Ertter 1991-6-1 10086 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, Elderberry Trail ca. 1/2 mi from trailhead Comment
  UC2028252  Calochortus argillosus Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16395 Contra Costa Southwest base of Mount Diablo, South Gate Road 0.7 miles from park boundary. Comment
  CAS-BOT-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
  JEPS127898  Calochortus pulchellus Adam C. Schneider 2014-5-15 450 Contra Costa Mt. Diablo State Park: Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail. 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
  JEPS61708  Calochortus pulchellus W. L. Jepson 1923-6-10 10001 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  POM170033  Calochortus pulchellus H. M. Hall 1910-5-30 10132 Contra Costa Mt. Diablo, north slope near Pine Canyon 366 Comment
  RSA215950  Calochortus pulchellus D. E. Breedlove 1970-4-18 17425 Contra Costa At the north edge of Lafayette above Laurel Drive 244 Comment
  RSA304215  Calochortus pulchellus James R. Shevock 1971-4-7 917 Contra Costa Mt. Diablo State Park. 549 Comment
  UC843700  Calochortus pulchellus Harold V. Manor 1913-5-18 Contra Costa Mt. Diablo Comment
  POM153228A  Calochortus pulchellus C. L. Hitchcock 1928-6-5 14 Contra Costa Between Port Costa and Martinez. 18 Comment
Read comments
Feb 14 2017
  JEPS61718  Calochortus splendens W. L. Jepson 1919-6-8 8326 Contra Costa Mt. Diablo Comment
  RSA757049  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; southwest of Kent Drive- Regency Ct. entrance, north side of junction of the two main fire roads 145 Comment
  UC1601667  Calochortus umbellatus Brewer 1890-1 1035 Contra Costa Walnut Creek Comment
  CAS-BOT-BC494046  Calochortus venustus Alice Eastwood 1915-5-30 4445 Contra Costa Mt. Diablo Comment
  RSA68630  Calochortus venustus Frank W. Peirson 1923-7-1 3682 Contra Costa Mt. Diablo. Comment
  UC2028988  Calochortus venustus Barbara Ertter 2000-5-14 17007 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. Comment
  UCD95579  Caltha palustris E. Dean; with Thomas Starbuck 1993-5-1 359 Contra Costa Oakland hills, canyon E of Skyline Blvd., growing in stream that separates Huckleberry Preserve from Sibley Volcano Park, along Skyline Trail, near old homestead site. Comment
  UCD129979  Calycadenia truncata Ann F. Johnson 1978-8-19 s.n. Contra Costa Mt. Diablo State Park. Comment
  CAS-BOT-BC275399  Calycadenia truncata var. truncata L. R. Abrams 1910-10-8 4338 Contra Costa Mount Diablo 701 Comment
  RSA710258  Calystegia malacophylla subsp. pedicellata R. K. Brummitt, J. L. Strother, B. G. Baldwin 1997-5-27 19606 Contra Costa Mt. Diable, W side, Deer Flat Road. 800 Comment
  UC691903  Calystegia malacophylla subsp. pedicellata Mary L. Bowerman 1935-5-25 3072 Contra Costa s summit (Mount Diablo); Mount Diablo 1082 Comment
  UC1948945  Calystegia purpurata William J. Ferlatte, L. Maynard Moe 1970-4-27 1236 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC691845  Calystegia purpurata Mary L. Bowerman 1933-4-26 1918 Contra Costa North Peak ridge ese of the Peak (south face, Mount Diablo); Mount Diablo, North Peak Ridge ese of the peak 609 Comment
  SD225764  Calystegia purpurata subsp. purpurata R. K. Brummitt, J Stother & B. Baldwin 1997-5-27 19605 Contra Costa Mt Diablo, W side, Deer Flat Road 800 Comment
  UCD150753  Calystegia sepium James A. Neilson Jr. 1972-11-2 3612 Contra Costa 2 miles NW of Concord, at intersection of Hwy 4 and Walnut Creek. 7 Comment
  CAS-BOT-BC199277  Calystegia sepium subsp. limnophila Malcom A. Nobs; S. Galen Smith 1949-7-8 941 Contra Costa Otto's Black Bass Resort, 4 miles north of Kingston Comment
  UCD119366  Calystegia sepium subsp. limnophila Jean Shepard; Scott Shepard 2011-8-28 857 Contra Costa Antioch Marina. South side of the San Joaquin River, east of the San Francisco Bay, approximately 3 1/4 miles west of the Antioch Bridge. 0 Comment
  UC1794986  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-6 19788 Contra Costa Mt. Diablo, NE side, Donner Track 400 Comment
  UC691849  Calystegia subacaulis subsp. subacaulis Mary L. Bowerman 1931-4-11 709 Contra Costa toward mouth Pine Canyon (Mount Diablo); , Pine Canyon toward mouth Comment
  JEPS31810  Camissonia campestris Miss Linda Gehringer 1914-3-29 Contra Costa Brentwood Comment
  UC198869  Camissonia campestris subsp. campestris Chesnut and Drew 1887-4-18 Contra Costa Antioch Comment
  UC35393  Camissonia campestris subsp. campestris Chesnut and Drew 1889-4-17 Contra Costa Antioch Comment
  RSA454744  Camissonia campestris subsp. campestris H. de Forest 1930-4-6 s.n. Contra Costa [No location information on label.] Comment
  UC84570  Camissonia contorta Katharine Brandegee May 1883 Contra Costa Antioch Comment
  UC2028261  Camissonia hirtella Barbara Ertter 1999-6-12 16719 Contra Costa Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek. Comment
  JEPS125935  Camissonia ignota D. W. Taylor 2001-3-22 17616 Contra Costa Kreyenhagen Hills; Cedar Canyon, tributary to Zapato Chino Canyon, along southern flank of ridge forming divide with Garcia Canyon to the north; ca 5 air miles W of Avena Comment
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Jun 18 2019
  SEINET12189053  Camissonia strigulosa L. S. Rose 1938-1 38223 Contra Costa Antioch 15 Comment
  UC20644  Camissoniopsis micrantha W. H. Brewer 1862-5-22 1137 Contra Costa hills s Coal Mines (ne of Mt. Diablo) Comment
  JEPS2509 Image available Campanula exigua Volney Rattan 1886-6-1 Contra Costa Monte Diablo; ; Mt. Diablo Comment
  JEPS6159  Campanula exigua Mary L. Bowerman 1930-6-14 330 Contra Costa Meridian Peak summit; Mount Diablo Comment
  JEPS102903  Campanula griffinii Barbara Ertter with M. L. Bowerman, L. Schultheis & K. Hintsa 1995-10-22 14535 Contra Costa road junction of Three Springs trail on NE side of mountain Mount Diablo 365 Comment
  UC2029116  Campanula griffinii Barbara Ertter with D. Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-4-8 18570 Contra Costa Long Ridge on west flank of Mt. Diablo, springs and pond on Ginochio property near park boundary. Comment
  CHSC21613  Capsella bursa-pastoris Willis Ball 1975-2-23 438 Contra Costa Contra Loma Regional Park. In area #1. Ca. 10 yds e of restroom facility on n side of lake. 30 Comment
  UC691065  Capsella bursa-pastoris Mary L. Bowerman 1931-2-8 505 Contra Costa Mount Diablo, West Road(=North Rd), a few mi from entrance Mount Diablo 396 Comment
  RSA29680  Capsella bursa-pastoris Joseph A. Ewan 1936-5-3 9495 Contra Costa Wildcat Creek near Orinda road bridge. Comment
  UC1126894  Cardamine californica R. C. Wilson 1935-3-27 146 Contra Costa Oyster Pt. Mt. Diablo Quad., Oyster Pt. Comment
  UC691077  Cardamine californica Mary L. Bowerman 1930-6-10 303 Contra Costa Mount Diablo Comment
  UC691085  Cardamine californica Mary L. Bowerman 1931-2-8 504 Contra Costa Mineral Spring , Mineral Spring (Mount Diablo) 396 Comment
  RSA272927  Cardamine californica var. integrifolia Lyman Benson 1935-3-16 6263 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  RSA21594  Cardamine californica var. integrifolia C. B. Wolf 1937-3-28 8319 Contra Costa 2 miles south of Pinole on San Pablo road 30 Comment
  JEPS111859  Cardamine oligosperma D. G. Kelch 2004-3-5 04 .8 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 250 Comment
  JEPS111068  Cardamine oligosperma Lee Echols 2003-3-7 s.n. Contra Costa N of Lark Drive in S portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  CDA19118  Cardaria chalepensis R. M. Case 2001-5-1 PDR P 088777 Contra Costa Solano Ave., Concord. 0 Comment
  POM301032  Carduus pycnocephalus Mary L. Bowerman 1935-5-25 3079 Contra Costa North Road 2.4 miles from entrance (by sheperd's camp) 305 Comment
  RSA8534  Carduus pycnocephalus J. T. Howell 1933-5-14 11246 Contra Costa Hills east of St. Mary's college Comment
  UC1555379  Carduus pycnocephalus subsp. pycnocephalus Jerry Powell 1988-5-18 1536 Contra Costa Pt. Molate, w Richmond Richmond, Pt. Molate Comment
  UC691374  Carduus tenuiflorus Mary L. Bowerman 1932-5-6 1412 Contra Costa on floor of Mitchell Canyon; Mount Diablo, Mitchell Canyon 213 Comment
  CAS-BOT-BC19208  Carex barbarae Walter Knight; B. Atwater; R. Bensler; J. Dean; B. Mortensen 1979-4-13 3371 Contra Costa Center of Browns Island. Comment
  UC1555369  Carex barbarae Jerry Powell 1988-3-8 1526 Contra Costa Point Molate in W Richmond Comment
  CAS-BOT-BC19210  Carex barbarae Mary L. Bowerman 1935-9-13 3344 Contra Costa Mount Diablo. Frog Pond. At head of Forg Pond spring. Comment
  CDA32069  Carex barbarae D. G. Kelch 2006-3-18 6 .105 Contra Costa 2 km N-NW of Orinda Village. NW of corner of San Pablo Dam Rd & Bear Valley Rd. 0 Comment
  CAS-BOT-BC34930  Carex densa Mary L. Bowerman 1934-4-21 2531 Contra Costa Mount Diablo. Canyon Nook at junction of North and South Roads. Comment
  CAS-BOT-BC20852  Carex globosa John Thomas Howell 1953-3-15 28923 Contra Costa Rock City, Mt. Diablo. Comment
  SEINET11268158  Carex globosa Barbara Ertter, Dan Norris 1998-6-18 16230 Contra Costa Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo.; 0 Comment
  CAS-BOT-BC119740  Carex nebrascensis Walter Knight 1979-6-15 3377 Contra Costa Crooked Slough. Browns Island. Comment
  SEINET10584363  Carex nudata M. Bowerman Bowerman s.n. Contra Costa Mount Diablo. Sycamore Creek Canyon. Forming clumps in rocky streambed. 244 Comment
  UC2070640  Carex nudata Barbara Ertter 2002-8-24 18033 Contra Costa Lower Perking Canyon on NE base of Mount Diablo. Comment
  CAS-BOT-BC119014  Carex pellita Miss Mary Leolin Bowerman 1935-5-16 3000 Contra Costa Russelmann Park road at Gregory Ranch junction. 289 Comment
  CAS-BOT-BC119016  Carex pellita Walter Knight 1979-6-15 3382 Contra Costa Straight Slough. Browns Island. Comment
  UC1952822  Carex pendula Barbara Ertter with David Gowen 2010-11-17 20699 Contra Costa southeast part of Lime Ridge Open Space (City of Walnut Creek), lower end of east-facing drainage below Crystyl Ranch Trail ca 1/4 mi N of jct Paraiso Trail Comment
  UC2029197  Carex serratodens Barbara Ertter with Michelle Lee et al. 2002-6-29 17964 Contra Costa Lower Curry Creek on east side of Mount Diablo, private property just above Morgan Territory Comment
  SEINET7575209 Image available Carex serratodens Lewis S. Rose 1935-5-16 35163 Contra Costa Mt. Diablo. 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
  UC2028573  Carex serratodens Barbara Ertter with Stu Garrett 1997-3-29 15537 Contra Costa West side Mount Diablo, spring at north junction of Mothers Trail and Burma Road. 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
  UC593503  Carex subbracteata G. L. Stebbins Jr. 1936-5-9 1555 Contra Costa e side Wildcat Canyon; Berkeley Hills Comment
  UC8054  Carex subbracteata Brewer 1862-4-30 1012 Contra Costa Walnut Creek Comment
  UC2029203  Carex tumulicola Barbara Ertter 1999-7-17 16770 Contra Costa Tilden Regional Park, trail to Jewel Lake paralleling Wildcat Creek Comment
  CDA37471  Carthamus lanatus Vince Guise 2012-6-12 PDR# 1649643 Contra Costa Concord; Highway 4 at Interstate 680 interchange. 0 Comment
  JEPS21966  Carthamus tinctorius G. Thomas Robbins with S. Galen Smith 1958-6-2 3850 Contra Costa at junction with U.S. Highway 40 Franklin Canyon Road (State Highway 4) (Hercules (a short distance w of its e boundary)); Hercules, Franklin Canyon Comment
  UCD122150  Castilleja affinis August Hartman 1960-4-19 7 Contra Costa Along North Gate Road on Mt. Diablo. 609 Comment
  JEPS65198  Castilleja affinis subsp. affinis L. R. Heckard 1971-4-15 2469 Contra Costa e of Mt. Diablo (along Morgan Territory road, 7 mi n of Morgan Territory road intersection with Manning road) 487 Comment
  UC26493  Castilleja affinis subsp. affinis Jos. Burtt Davy 1901-4-21 6924 Contra Costa Wildcat Canyon Comment
  UC765541  Castilleja affinis subsp. affinis R. F. Hoover 1938-5-4 3346 Contra Costa peak e of Tassajero Creek Comment
  CHSC116632  Castilleja attenuata Lowell Ahart; Josephine Guardino 2016-4-19 20778 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 Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS65193  Castilleja attenuata L. R. Heckard 1971-4-15 2474 Contra Costa 5.5 mi n Morgan Territory road intersection with Manning road (e of Mt. Diablo) Comment
  UC691580  Castilleja attenuata Mary L. Bowerman 1932-4-9 1333 Contra Costa from near Rock City ridge to Wall Point; Mount Diablo Comment
  UC691581  Castilleja attenuata Mary L. Bowerman 1933-5-4 1990 Contra Costa Rock City Ridge (= Fossil Ridge); Mount Diablo Comment
  JEPS19401  Castilleja densiflora subsp. densiflora G. Thomas Robbins 1937-4-17 134 Contra Costa near Point Richmond Comment
  CHSC22515  Castilleja exserta Robert A. Schlising 1962-3-24 2106 Contra Costa Coast Ranges. Along Marsh Creek Road, about 4 mi w of Byron. Comment
  JEPS16805  Castilleja exserta subsp. exserta Rimo Bacigalupi with G. Thomas Robbins 1955-5-4 4983 Contra Costa 1.25 mi e Antioch (near the San Joaquin River) 9 Comment
  JEPS15165  Castilleja foliolosa R. C. Wilson 1935-3-14 136 Contra Costa Head of Sycamore Creek; Mt. Diablo Quad. 365 Comment
  UC1081509  Castilleja foliolosa H. L. Mason 1928-3-4 4169 Contra Costa Shell Ridge Comment
  SEINET5542767  Castilleja foliolosa H. S. Gentry 1931-1 53 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
  JEPS11158  Castilleja rubicundula subsp. lithospermoides R. F. Hoover 1939-4-25 4064 Contra Costa Richmond hills* Richmond hills; Richmond Comment
  RSA517383  Castilleja wightii L. R. Heckard 1973-6-6 3421 Contra Costa North-facing slope. Ravine behind La Moine Park (Richmond). 122 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
  CAS-BOT-BC40515  Caulanthus lasiophyllus W. H. Brewer 1862-4-24 987 Contra Costa Camp 68. Martinez. Comment
  CAS-BOT-BC48831  Ceanothus cuneatus W. W. Carruth 1902-3-1 s.n. Contra Costa Pine Ridge Moraga Valley Comment
  POM136472  Ceanothus cuneatus H. P. Chandler 1901-4-5 977 Contra Costa Mt. Diablo Comment
  RSA753076  Ceanothus cuneatus Dylan O. Burge 2007-5-9 DOB- 916 c Contra Costa Mount Diablo State Park: roadside on South Gate Road 1.5 road miles (2.4 km) N of entrance gate, 6.38 km 67 degrees (True) ENE of DAnville. 380 Comment
  UCD111751  Ceanothus cuneatus P. B. Kennedy 1916-5-31 s.n. Contra Costa between Diablo and summit. Comment
  JEPS48863  Ceanothus cuneatus var. cuneatus Elsa Kraeger 1926-3-7 Contra Costa e side Mt. Diablo Comment
  UC692610  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1931-2-28 527 Contra Costa near top of South Rd Mount Diablo Comment
  UCD124005  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-5-9 916 e Contra Costa Mount Diablo State Park, roadside on South Gate Road, 1.5 road miles (2.4 km) north of entrance gate, 6.38 km 67 deg. (True) ENE of Danville. 380 Comment
  OBI10513  Ceanothus gloriosus var. exaltatus Robert F. Hoover 1962-3-23 8541 Contra Costa Cultivated in Tilden park botanic garden. Originally from 11 mi S of Guerneville (8 mi W of Sebastopol, Sonoma Co) Comment
  JEPS42198  Ceanothus oliganthus var. sorediatus W. L. Jepson 1916-7-16 6814 Contra Costa Oakland hills Comment
  UC1281425  Ceanothus oliganthus var. sorediatus H. E. McMinn 1922-5-30 108 Contra Costa near Pinehurst (canyon though which runs the Oakland Antioch RR) Comment
  UC692586  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1932-9-17 1580 Contra Costa West branch of Donner Canyon Mount Diablo Comment
  HSC18334  Ceanothus thyrsiflorus D. A. Shally 1965-4-18 34 Contra Costa Canyon, 1.5 mi. NE of Canyon Store on 'fire trail Comment
  UCD129962  Centaurea benedicta Collector Unknown Date Unknown s.n. Contra Costa Southwest of Kelseyville. Comment
  CDA7090  Centaurea calcitrapa T. C. Fuller 1961-9-13 7000 Contra Costa Highway J4, ca. 4 miles southeast of Byron. 0 Comment
  RSA721533  Centaurea melitensis Mary L. Bowerman 1994-6-19 s.n. Contra Costa Mount Diablo, Muir Area. adjacent to road Comment
  JEPS75544  Centaurea solstitialis P. F. Yorks 1974-8-10 362 Contra Costa ca 1.8 km s of Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Perserve, Briones Reservoir 200 Comment
  UC2042753  Centaurium tenuiflorum Barbara Ertter with Brad Olson and Lynne Hosley 1993-11-14 12320 Contra Costa Skyline Trail in East Bay Hills west of Orinda, above Caldecott Tunnel between Fish Ranch Road and Roundtop. Comment
  UCR260816  Centranthus ruber D. Finley 1998-5-25 4- 01 Contra Costa San Francisco Bay Region, Highway 24 east, 1/8 road mile east of the Caldecott Tunnel, west side of freeway 305 Comment
  UC2028105  Centranthus ruber Barbara Ertter with Christopher Baysdorfer 1998-5-10 16119 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC288546  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch 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
  CAS-BOT-BC288543  Centromadia fitchii L. S. Rose 1941-10-13 41464 Contra Costa 1 mile E of Walnut Creek 50 Comment
  CAS-BOT-BC288544  Centromadia fitchii James I. McMurphy 1909-5-20 s.n. Contra Costa Antioch Hills Comment
  UC2028246  Centromadia fitchii Barbara Ertter, Tony Morosco 1998-9-18 16416 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, Valley Vista Road entrance. Comment
  UCD14671  Centromadia pungens Mick Canaveri 1997-4-1 s.n. Contra Costa near Brentwood. Comment
  CAS-BOT-BC279109  Centromadia pungens subsp. laevis H. D. Ripley; R. C. Barneby 1954-5-1 11340 Contra Costa 1 mi. s. of Byron Hot Springs 15 Comment
  OBI18127  Centromadia pungens subsp. pungens Robert F. Hoover 1967-4-28 10515 Contra Costa Byron Hot Springs Comment
  UC1563855  Centromadia pungens subsp. pungens Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8138 Contra Costa alkali sink w and adjacen to Clifton Court Forebay (ca 15 air mi sw of Stockton) 0 Comment
  UC912272  Centromadia pungens subsp. pungens H. L. Mason 1929-9-21 5438 Contra Costa Marsh Creek Road Comment
  CAS-BOT-BC279197  Centromadia pungens subsp. pungens Alice Eastwood 1923-4-28 11666 Contra Costa Byron Springs Comment
  JEPS35033  Centromadia pungens subsp. pungens W. L. Jepson 1896-5-31 Contra Costa Wild Cat Creek Comment
  JEPS111075  Centunculus minimus Lee Echols 2003-4-15 s.n. Contra Costa S of Lark Drive and N of EPA Building, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  JEPS111783  Cerastium glomeratum D. G. Kelch 2003-3-21 03 .72 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS111948  Chamaesyce serpens D. G. Kelch 2003-8-13 03 .118 Contra Costa Martinez Marsh 1 Comment
  CAS-BOT-BC70279  Cheilanthes intertexta Alice Eastwood 1915-5-30 4528 Contra Costa Mt. Diablo Comment
  UC1618329  Chenopodium album Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10884 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve 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
  JEPS45847  Chenopodium californicum Mrs. E. L. Mossman 1931-3-26 70 Contra Costa e Richmond; Berkeley Hills 121 Comment
  UC1199816  Chenopodium californicum Herbert L. Mason 1929-3-31 5158 Contra Costa Antioch Sacramento River Comment
  UC691935  Chenopodium californicum Mary L. Bowerman 1931-3-7 546 Contra Costa Sheep Corral Spring Mount Diablo Comment
  PASA2694  Chenopodium californicum Annetta Carter 1929-3-31 137 Contra Costa Near Clayton; hills north of Mt. Diablo Comment
  UCR13095  Chlorogalum pomeridianum Robin Maetche, Geoffrey Matthews 1971-7-4 s.n. Contra Costa 1 mi below North [Gate Road] entrance to Mt. Diablo State Park, Concord 427 Comment
  JEPS75512  Chlorogalum pomeridianum var. pomeridianum P. F. Yorks 1975-6-29 460 Contra Costa n. Briones Reservoir (ca. 1.5 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve 200 Comment
  UC1004357  Chlorogalum pomeridianum var. pomeridianum M. S. Cave 1949-6-26 4901 Contra Costa Arlington Avenue n Mira Vista entrance (hillside); Kensington Comment
  UC77552  Chorizanthe membranacea Brandegee April, 1889 Contra Costa Mount Diablo Comment
  UCD99773  Chorizanthe membranacea P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UC2028983  Chorizanthe membranacea Barbara Ertter 2000-5-14 17015 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail north of Wild Oat Canyon. Comment
  CAS-BOT-BC30110  Chrysolepis chrysophylla var. minor H. E. Mc. Minn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  CAS-BOT-BC30113  Chrysolepis chrysophylla var. minor W. B. Stephens 1919-11-22 s.n. Contra Costa Moraga ridge Comment
  JEPS38084  Chrysolepis chrysophylla var. minor W. L. Jepson 1943-10-13 27500 Contra Costa Moraga Ridge Comment
  CAS-BOT-BC277977  Cirsium cymosum John Thomas Howell 1931-5-12 6479 Contra Costa North side of Mt. Diablo Comment
  UC691378  Cirsium cymosum var. cymosum Mary L. Bowerman 1935-5-22 3041 a Contra Costa Eagle Point Ridge, canyon at n e of which heads into saddle w of Twin Peaks Mount Diablo 304 Comment
  CAS-BOT-BC288047  Cirsium occidentale var. venustum L. R. Abrams 1921-5-25 8049 Contra Costa 4 1/2 miles from summit, Mt. Diablo Comment
  SEINET4023759 Image available Cirsium occidentale var. venustum B. C. Templeton 1962-1 sn Contra Costa Mt. Diablo. Comment
  UC1607628  Cirsium occidentale var. venustum Barbara Ertter, Lynne Hosley 1992-8-29 11265 Contra Costa E of Mount Diablo (Prairie Falcon trail); Morgan Territory Regional Preserve Comment
  JEPS75543  Cirsium vulgare P. F. Yorks 1974-8-10 363 Contra Costa ca. 1.8 km. s Bear Creek Road (on Hampton Road in Hampton Road Natural Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  UC1795899  Clarkia Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14638 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; grassy hillside. Comment
  CAS-BOT-BC162564  Clarkia affinis Mary L. Bowerman 1935-5-22 3041 Contra Costa Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks - Mount Diablo 304 Comment
  CAS-BOT-BC162566  Clarkia affinis Alice Eastwood 1923-5-4 11734 Contra Costa Mt. Diablo Comment
  JEPS111557  Clarkia affinis A. G. Murdock 2003-6-2 85 Contra Costa Port Costa - Reservoir: Uphill bank at east Crockett-Port Costa junction 28 Comment
  UCD102383  Clarkia affinis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1070 Comment
  CAS-BOT-BC162563  Clarkia affinis Mary L. Bowerman 1933-5-17 2095 Contra Costa Branch of Curry Canyon due south of Olafsons' barn - Mount Diablo Comment
  UC1143226  Clarkia affinis H. Lewis and C. Epling 1947-5-2 196 Contra Costa 1 mi w Curry Creek Park Road (Marsh Creek Road) Comment
  CDA9430  Clarkia biloba D. G. Kelch 1999-6-23 99 .001-D Contra Costa Carquinez Strait; Vaca Canyon along Alhambra Valley Road about 1.5 mile East of Pig Sale. Comment
  JEPS111565  Clarkia biloba subsp. biloba D. G. Kelch 2000-5-22 00 .142 Contra Costa Crockett - Eckley North-facing railroad cuts west of Bull Valley Staging Area 7 Comment
  JEPS111569  Clarkia biloba subsp. biloba D. G. Kelch 2004-5-9 04 .210 Contra Costa Crockett - Eckley Hills north of Bull Valley Staging Area 13 Comment
  LA106651  Clarkia biloba subsp. biloba W. L. Jepson; 1918-6-3 7585 Contra Costa Donner Canyon, Mount Diablo 685 Comment
  LA45413  Clarkia concinna Joseph Andorfer Ewan; 1934-5-20 8932 Contra Costa Mt. Diablo, Russelmann Park Comment
  UC1952185 Image available Clarkia concinna subsp. concinna R. Raiche 1981-3-1 s.n. Contra Costa North America, U.S.A., California, Contra Costa County: Mt. Diablo. N. Slope of N. peak in talus slopes below the ridge line. Under Quercus spp., Juniperus californica, Cercocarpus betuloides & Pelea baldwinii. Comment
  UC692496  Clarkia concinna subsp. concinna Mary L. Bowerman 1930-6-5 241 Contra Costa ca. 5 1/2 mi from North Gate (North Road); Mount Diablo 457 Comment
  UC1819002  Clarkia gracilis subsp. gracilis Barbara Ertter, Tom Delendick 1996-5-2 14612 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
  JEPS75482  Clarkia purpurea subsp. purpurea P. F. Yorks 1974-5-24 168 Contra Costa ca 1.7 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve Comment
  POM257244  Clarkia purpurea subsp. purpurea H. L. Mason 1928-4-26 4379 Contra Costa Around Berkeley and Oakland. Comment
  CAS-BOT-BC163667  Clarkia purpurea subsp. quadrivulnera L. R. Abrams 1916-6-30 5712 Contra Costa Mt. Diablo near lake Comment
  CDA33413  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, D. A. Weinstein 2011-5-28 11 .539 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC692441  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-19 875 Contra Costa Donner Canyon trail Mount Diablo Comment
  UC692493  Clarkia purpurea subsp. quadrivulnera Charles Belshaw 1936-5-13 2112 Contra Costa ridge n Marsh Creek (about 2 mi nw of summit of Clayton-Livermore road); Mount Diablo Comment
  CDA9193  Clarkia purpurea subsp. quadrivulnera Christopher Thayer 1995-5-2 s.n. Contra Costa Carquinez Strait; Carquinez Scenic Dr near Ozol entrance gate. 0 Comment
  POM300657  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1942-5-24 3840 Contra Costa Mount Diablo: Jim White Trail to Deer Flat; west slope of Deer Ridge 854 Comment
  POM300658  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-23 902 Contra Costa Mount Diablo: Oyster Point, grassy north face Comment
  UCD104921  Clarkia purpurea subsp. quadrivulnera Jennifer Davies 1982-4-11 3 Contra Costa 1 mile NW of South Checking Station on South Gate Road, Mt. Diablo. 487 Comment
  JEPS75480  Clarkia rubicunda P. F. Yorks 1975-7-18 473 Contra Costa n of Briones Reservoir (ca 1.9-2.0 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  UC1279946  Clarkia rubicunda Peter H. Raven 1957-7-5 11050 Contra Costa ne side of hills Point Richmond 106 Comment
  UC1795692  Clarkia unguiculata Barbara Ertter, Kristin Ertter 1995-7-11 14477 Contra Costa Stage Road along Pine Cr. in Diablo Foothills Regional Park southwest of Walnut Creek; partial shade of oak forest, 152 Comment
  CAS-BOT-BC439167  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-7 1676 Contra Costa Mt. Diablo Comment
  UC1136707  Claytonia exigua subsp. exigua R. C. Wilson 1935-3-29 162 Contra Costa 1 mi w Deer Flat; Mt. Diablo Quad. 716 Comment
  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
  POM164052  Claytonia gypsophiloides Edward L. Greene 1903-4-28 4611 Contra Costa Mitchell s canon, Mt. Diablo. Comment
  CAS-BOT-BC439436  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1930-6-14 331 Contra Costa Mount Diablo. Meridian Peak Summit Comment
  JEPS75502  Claytonia perfoliata subsp. mexicana P. F. Yorks 1975-4-10 382 Contra Costa ca 1.7 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Reserve (n of Briones Reservoir) 190 Comment
  UC1136717  Claytonia perfoliata subsp. perfoliata R. C. Wilson 1935-3-12 121 Contra Costa 1.5 mi ne Danville; Mt. Diablo Quad. 198 Comment
  CAS-BOT-BC440078  Claytonia perfoliata subsp. perfoliata Lewis S. Rose 1933-3-10 33013 Contra Costa Brentwood Comment
  CAS-BOT-BC440079  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1914-3-17 3772 Contra Costa Byron Springs Comment
  UC1050389  Clematis heracleifolia var. davidiana N. Floy Bracelin 1941-9-28 1703 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA215990  Clematis lasiantha Paul F. Covel 1938-6-26 1516 Contra Costa Las Trampas Canyon (behind St Mary's) Comment
  UC692071  Clematis lasiantha Mary L. Bowerman 1930-6-7 272 Contra Costa Meridian Peak summit Mt. Diablo Comment
  UC1050307 Image available Clerodendrum bungei N. Floy Bracelin 1941-8-24 1592 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA0028269  Clinopodium vulgare Barbara Ertter, David Gowen 2012-6-9 21018 Contra Costa Lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills. 426 Comment
  UC1980320  Clinopodium vulgare Barbara Ertter with David Gowen 2011-10-6 20919 Contra Costa Tilden Regional Park in hills east of Berkeley, lower Vollmer Peak Trail southeast of Big Spring picnic area Comment
  JEPS23273  Collinsia heterophylla Rimo Bacigalupi with G. T. Robbins 1959-4-24 7043 Contra Costa 0.5 mi n Jct of Hampton Rd and Bear Creek Rd (along Hampton Rd, just n of summit) 228 Comment
  JEPS65197  Collinsia heterophylla L. R. Heckard 1971-4-15 2470 Contra Costa along Morgan Territory Rd (7 mi N of intersection with Manning Rd); Mt. Diablo 487 Comment
  UC691654  Collinsia heterophylla Mary L. Bowerman 1931-4-18 719 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 335 Comment
  SEINET10964450  Collinsia heterophylla John G. Lemmon 1872-1 Lemmon s.n. Contra Costa Mt. Diablo. Comment
  UC71983  Collinsia sparsiflora Chestnut and Drew 1889-4-5 Contra Costa Martinez Comment
  UC26642  Collinsia sparsiflora var. collina State Survey Contra Costa Mount Diablo Comment
  SBBG6880  Collinsia sparsiflora var. sparsiflora J. M. Tucker 1946-3-24 1381 Contra Costa hills between Nortonville and Somersville Comment
  JEPS7314  Collinsia tinctoria Mary L. Bowerman 1935-6-1 3117 Contra Costa summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit) 1158 Comment
  JEPS79511  Collomia diversifolia Edward Lee 1978-5-13 Contra Costa Meridian Ridge Mt. Diablo Comment
  UC2029194  Conium maculatum Barbara Ertter 2000-7-16 17382 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  CHSC75080  Convolvulus arvensis Roger Thom 1987-5-13 8 Contra Costa Calif. State University Hayward's Contra Costa Campus. 3100 Oak Park Blvd. Pleasant Hill. 30 Comment
  UC1584663  Conyza canadensis Jerry Powell 1990-8-29 1586 Contra Costa Antioch National Wildlife Refuge Comment
  HSC33256  Conyza canadensis A. M. Montalvo, J. D. Ackerman 1974-12-1 435 Contra Costa Walnut Creek, Olympic Dr. between Tice Valley Rd. and Pleasant Hill Rd. Comment
  JEPS6803  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1894-10-1 21337 Contra Costa Moraga Valley Comment
  JEPS87949  Cordylanthus pilosus subsp. pilosus Barbara Ertter, CNPS 1990-8-19 9623 Contra Costa above Cutter Cove (e side of s end of Briones Reservoir, n of Orinda, along Bear Creek Trail on EBMUD land); Briones Reservoir, Bear Creek Trail 213 Comment
  CAS-BOT-BC209589  Cornus sericea H. E. McMinn 1922-5-30 34 Contra Costa By Pinehurst Resort in Large Redwood Canyon Comment
  CAS-BOT-BC209591  Cornus sericea Virginia I. Dains; Walter Knight 1986-8-8 5471 Contra Costa Jct Rock S1 & Werner Cut Comment
  UC1606422  Cornus sericea subsp. sericea Barbara Ertter, Chris Thayer 1993-5-7 11697 Contra Costa EBMUD land e. of Tilden Park (Hopkins Spring 1/2 mi. s.e. of Inspiration Pt. on Wildcat Canyon Rd.) 304 Comment
  SEINET12765135  Coronopus didymus Barbara Ertter 1990-5-15 8991 Contra Costa Soth El Cerrito, north foot of Albany Hill at end of Yosemite Avenue cul-de-sac.; 0 Comment
  UC1618361  Cortaderia jubata Barbara Ertter 1991-9-28 10854 Contra Costa e end of Schmidt Street at El Cerrito recycling center, s end of Hillside Natural Area El Cerrito; , Hillside Natural Area, Schmidt Street Comment
  CAS-BOT-BC190027  Cortaderia selloana Wm. Anderson 1959-10-1 s.n. Contra Costa On Montezuma Slough near Suisun. Comment
  CAS-BOT-BC169513  Corylus cornuta subsp. californica Frank W. Gould 1940-2-8 865 Contra Costa N side of Grizzly Peak 76 Comment
  CAS-BOT-BC169514  Corylus cornuta subsp. californica H. E. McMinn 1925-1-1 s.n. Contra Costa Lead of San Leandro Creek Comment
  CAS-BOT-BC169516  Corylus cornuta subsp. californica John Thomas Howell 1925-9-19 1456 Contra Costa Moraga Ridge, Oakland Hills Comment
  UCSB29429  Corylus cornuta subsp. californica Havlik, Neil 1969-7-3 Contra Costa Grizzly Pk., Berkeley Hills 457 Comment
  RSA0027707  Cosmos bipinnatus Barbara Ertter 1996-9-19 15290 Contra Costa Cerrito Creek at base of Albany Hill, just west of San Pablo Avenue. 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
  UC2027742  Cotula coronopifolia Barbara Ertter 1997-1-5 15439 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  UC1561257  Crassula connata Barbara Ertter with John Little 1989-4-2 8110 Contra Costa s. side Hillside Park in El Cerrito Comment
  UC1948949  Crassula connata William J. Ferlatte, L. Maynard Moe 1970-4-27 1234 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC2032831  Crassula connata Doran, Andrew Scott 2012-3-20 701 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  UC606743  Crassula connata var. subsimplex Edward Lee 1936-4-19 1967 Contra Costa bluff at n.e. corner of island Red Rock Comment
  RSA0026175  Crepis bursifolia Barbara Ertter, David Gowen 2012-6-9 21027 Contra Costa South junction of Big Springs Trail with Seaview Trail, southeastern Tilden Park in Berkeley Hills. Comment
  CDA15282  Cressa truxillensis G. F. Hrusa, D. Crowe, R. York 1998-7-17 14720 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  JEPS22096  Cressa truxillensis G. Thomas Robbins 1958-7-19 3907 Contra Costa ca. 3/4 mi. s. Point San Pablo (Potrero San Pablo, Richmond); San Francisco Bay Comment
  UCR115055  Cressa truxillensis G. Fred Hrusa, R. York 1998-7-17 14720 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  OBI15230  Crossosoma californicum Neil Havlik 1968-3-21 82 Contra Costa Charles Lee Tilden Regional Park, E of Berkeley Comment
  RSA289534  Croton californicus Edward Lee, Annetta Carter 1935-8-17 1626 Contra Costa Antioch. Comment
  CDA15277  Croton setiger G. F. Hrusa, D. Crowe, R. York 1998-7-17 14714 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  RSA0033934  Crypsis schoenoides Barbara Ertter, Chris Thayer 1996-10-25 15360 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park. 91 Comment
  UCR254745  Crypsis schoenoides Peter Rubtzoff 1968-9-18 5964 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  SEINET4344622 Image available Crypsis schoenoides Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa. 1995-10-22 14532 Contra Costa Three Springs Trail on NE side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay. Comment
  UC2027935  Crypsis schoenoides Barbara Ertter with Chris Thayer 1996-10-25 15376 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring. Comment
  CAS-BOT-BC189243  Cryptantha Alice Eastwood 1915-5-30 4539 Contra Costa Mount Diablo Comment
  UC691396  Cryptantha flaccida Mary L. Bowerman 1931-4-4 659 Contra Costa 4.5 mi from West road (= North Rd) entrance; Mount Diablo 396 Comment
  UC1818922  Cryptantha flaccida Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14227 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point, grassland, oaks around knoll. . 487 Comment
  UC691340  Cryptantha microstachys Mary L. Bowerman 1933-5-25 2183 Contra Costa w end Oyster Ridge (steep n-facing slope, s-face); Mount Diablo 411 Comment
  UC691341  Cryptantha microstachys Mary L. Bowerman 1932-4-27 1388 Contra Costa w of Riggs Canyon (canyon, s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC691393  Cryptantha nevadensis var. rigida Mary L. Bowerman 1932-4-9 1331 Contra Costa Mount Diablo; Inner Black Hills, small ridge E of S spur on meridian Comment
  CDA20771  Cuscuta japonica J. Deviney 2006-6-7 PDR 1373527 Contra Costa San Francisco Bay Area; El Cerrito Creek banks at S end of Carlsen Blvd., El Cerrito. Crossing Alameda county line into Albany. Comment
Read comments
Apr 29 2013
  UCD126325  Cuscuta salina M. Wiesendanger 1926-6-1 1533 Contra Costa Richmond. Comment
  UC691907  Cuscuta subinclusa Mary L. Bowerman 1933-9-9 2428 Contra Costa e of Frog Pond; Mount Diablo, Rhine Canyon 457 Comment
  JEPS78606  Cuscuta subinclusa Walter Knight 1978-10-4 3311 Contra Costa Browns Island Crooked Slough Comment
  CDA4534  Cynara cardunculus T. C. Fuller 1957-10-2 399 -57 Contra Costa Antioch. 0 Comment
  UC2013066  Cynara cardunculus Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14927 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  CDA31110  Cynodon dactylon D. G. Kelch 2004-5-9 4 .208 Contra Costa Carquinez Strait Region; Crockett - Carquinez Scenic Drive. Scenic Drive west of Bull Valley Staging Area, east of Crockett, CA Comment
  UCD60104  Cynodon dactylon P. W. Lamborn 1972-11-2 AES Contra Costa Nomellini Ranch. Comment
  CDA43393  Cynosurus echinatus D. G. Kelch 2012-5-27 12 .074 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  JEPS99550  Cynosurus echinatus Mary Bowerman 1976-6-24 Contra Costa Mount Diablo, inner Black Hills just west of meridian and south of crest. Comment
  JEPS99559  Cynosurus echinatus Mary Bowerman 1995-5-28 Contra Costa Mount Diablo, Fire road from Macedo Ranch to Wall Pt. Ridge. Comment
  SD175778  Cyperus difformis D. G. Kelch 2006-9-15 06 474 Contra Costa Shell Ave., Martinez, between Pine St. and Harborview Dr. 56 Comment
  CAS-BOT-BC114619  Cyperus eragrostis Walter Knight; Joanne Dean 1978-8-14 3150 Contra Costa Browns Island Comment
  CAS-BOT-BC114618  Cyperus eragrostis Walter Knight; Wayne Roderick; Stephen W. Edwards; B. Doyle 1978-9-19 3264 Contra Costa Browns Island, South Landing. Comment
  SEINET3909446  Cyperus eragrostis K. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4982 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UC1157919  Cyperus eragrostis Olive Dyer 1936-9-5 29 W Contra Costa 1/2 mi. above San Pablo Ave. Wildcat Creek 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
  UC2028462  Cyperus eragrostis Barbara Ertter with Chris Thayer 1996-10-25 15392 Contra Costa Southwest flank of Mount Diablo, lowers South Gate Road just inside park boundary Comment
  UCD35193  Cyperus eragrostis Beecher Crampton 1953-8-25 1612 Contra Costa Richmond. Comment
  SD107681  Cyperus erythrorhizos Walter Knight, Irja Knight 1980-8-26 3769 Contra Costa Hercules; adventive along edge of pond for sewage disposal plant in a structure covered with vinyl. Comment
  CAS-BOT-BC110840  Cyperus strigosus Walter Knight; I. Knight; E. McClintock; J. T. Howell; B. Doyle; P. Rae 1978-9-5 3226 Contra Costa Browns Island, Botany Cove Comment
  CDA8355  Cytisus striatus D. G. Kelch 2005-5-13 5 .272 Contra Costa Carquinez Strait; Tall hill in S Martinez, immediately N of Highway 4. Comment
Read comments
Oct 30 2012
  UC2070618  Dactylis glomerata Barbara Ertter 2002-8-24 18017 Contra Costa NE base of Mount Diablo, connector trail paralleling Morgan Territory Road along edge of private property (Mt. Diablo Mine) Comment
  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
  UC2070617  Danthonia californica Barbara Ertter 2002-5-16 17862 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UCD60458  Danthonia californica G. L. Stebbins Jr. 1939-5-24 2714 Contra Costa Opposite Berkeley Country Club. Comment
  CDA965  Daucus pusillus D. G. Kelch 2005-6-14 5 .333 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  JEPS75509  Daucus pusillus P. F. Yorks 1974-6-8 173 Contra Costa n. Briones Reservoir (ca. 1.6 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve 180 Comment
  UC32716  Deinandra corymbosa J. Burtt Davy 1896-1-1 Contra Costa Moraga Pass Comment
  CAS-BOT-BC287385  Deinandra corymbosa Peter H. Raven 1957-7-5 11052 Contra Costa At tip of Point Isabel Comment
  CAS-BOT-BC294018  Deinandra kelloggii Mrs. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  UC480997  Deinandra kelloggii Mary K. Curran May 1886 Contra Costa near Antioch Comment
  UC88926  Deinandra kelloggii K. Brandegee 1892-6-8 Contra Costa Antioch Comment
  CAS-BOT-BC294019  Deinandra kelloggii Vincent Jones 1920-8-28 s.n. Contra Costa Orwood Comment
  CAS-BOT-BC294021  Deinandra kelloggii John Thomas Howell 1929-7-20 4329 Contra Costa 2 miles s. of Oakley Comment
  UC2029061  Deinandra lobbii Barbara Ertter with Delia Taylor 2003-6-22 18225 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road. Comment
  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
  CDA933  Delphinium californicum D. G. Kelch 2005-6-14 5 .335 Contra Costa East Bay; San Pablo. North Alvarado Park, south of San Pablo Dam Rd. Comment
  UC906518  Delphinium decorum subsp. tracyi P. B. Kennedy 1916-5-21 Contra Costa between Diablo and summit of Mt. Diablo Comment
Read comments
Jun 4 2007
  LA207422  Delphinium hansenii H. Lewis; Carl Epling 1947-5-4 703 Contra Costa Marsh Creek Road, 5.8 mi. E of Creek Park Rd Comment
  SEINET12086747  Delphinium hesperium J. T. Howell 1931-1 6482 Contra Costa North Side of Mt. Diablo Comment
  UC1126003  Delphinium hesperium subsp. pallescens C. M. Belshaw 1936-5-15 2117 Contra Costa 2 mi ENE of North Peak; Mount Diablo 228 Comment
  CAS-BOT-BC10009  Delphinium hesperium subsp. pallescens R. D. Stone 1983-5-17 510 Contra Costa Extreme northern end of the Jackson Ranch, near Alameda County line ca. 9 mi. NE of Livermore and 1 mi. NNE of Brushy 182 Comment
  LA38169  Delphinium hesperium subsp. pallescens Lewis; Mehlquist 455 Contra Costa Just E of the Antioch Golf Couse Comment
  UC691950  Delphinium nudicaule Mary L. Bowerman 1933-6-14 2284 Contra Costa bottom of second gully w north spur; Mount Diablo, Inner Black Hills Comment
  UC9202  Delphinium nudicaule W. H. Brewer 1862-5-7 1053 Contra Costa n slope Monte Diablo Comment
  JEPS99976  Delphinium patens G. Smick 2003-3-25 GAS 79 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  HSC47898  Delphinium patens H. Lewis, Carl Epling 1944-5-6 Contra Costa 5.7 mi. S of Marsh Creek Rd. on Beck rd. to Livermore Comment
  UC1819000  Delphinium patens subsp. patens Barbara Ertter, Tom Delendick 1996-5-2 14614 Contra Costa Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope. 853 Comment
  LA207616  Delphinium recurvatum Carl Epling; 1945-3-23 542 Contra Costa 5 mi. W of Hwy. 120 on Byron Hot Springs rd Comment
  CAS-BOT-BC11024  Dendromecon rigida John Thomas Howell 1925-10-11 1497 Contra Costa Moraga Ridge, Oakland Hills Comment
  UC1024732  Deschampsia danthonioides Leo Whitney 1935-4-21 3057 Contra Costa 4 mi. e. Corral Hollow Comment
  UC1606345  Deschampsia elongata Barbara Ertter, Brad Olson 1991-9-28 10843 Contra Costa s. end of San Pablo Reservoir between Orinda and El Sobrante; San Pablo Reservoir 94 Comment
  RSA128442  Dicentra chrysantha Joanne Taylor 1941-7-18 19 Contra Costa Nortonville. 244 Comment
  UC407076  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 Contra Costa halfway-up road Mt. Diablo Comment
  CDA39457  Dichelostemma capitatum D. G. Kelch 2007-3-24 7 .092 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  RSA367471  Dichelostemma capitatum subsp. capitatum H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  JEPS112492  Dichelostemma congestum D. G. Kelch 2005-4-24 05 .171 Contra Costa Franklin Canyon Franklin Canyon. Collier Hill. West Carbon. On knoll between fenced hill and railroad cut. 60 Comment
  JEPS112511  Dichelostemma congestum D. G. Kelch 2004-5-7 04 .182 Contra Costa Ca ada del Cierbo 40 Comment
  UC1300935  Dichelostemma congestum Helen K. Sharsmith 1962-5-20 5071 Contra Costa ne slope Mount Diablo (Headwaters of Marsh Creek); San Francisco Bay Region, , Marsh Creek 304 Comment
  UC1050524  Diervilla florida N. Floy Bracelin 1944-4-23 1200 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CDA1975  Digitaria sanguinalis D. G. Kelch, A. G. Murdock 2005-6-27 5 .39 Contra Costa Carquinez Strait; 6th Street at Lillian Street, Crockett. Comment
  SJSU1493  Diplacus aurantiacus D. J. Thompson 1954-5-2 Contra Costa between Pinole & Pittsburg Comment
  UCD137497  Dipsacus fullonum P. B. Kennedy 1917-2-8 s.n. Contra Costa Craigmont. Comment
  UCD137498  Dipsacus fullonum P. B. Kennedy 1917-2-8 s.n. Contra Costa Craigmont. Comment
  CAS-BOT-BC121840  Dirca occidentalis Howard E. McMinn 1925-3-30 1402 Contra Costa Near summit Thornhill Road and Skyline Blvd. Comment
  CAS-BOT-BC121842  Dirca occidentalis Frank Walton Gould 1940-2-8 864 Contra Costa Grizzly Peak 289 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
  UC1176933  Dirca occidentalis Peter H. Raven 1950-2-19 1349 Contra Costa e side ridge at headwaters; Redwood Canyon 365 Comment
  RSA29241  Dirca occidentalis Joseph A. Ewan 1934-3-10 8643 Contra Costa 2 miles below Orinda Road bridge, Wildcat Canyon Comment
  RSA603002  Dirca occidentalis Joseph A. Ewan 1934-3-10 8643 Contra Costa 2 miles below Orinda Road bridge, Wildcat Canyon Comment
  UCSB27473  Dirca occidentalis Havlik, Neil 1969-7-10 Contra Costa Along the West Ridge Trail about one-half mile from Skyline Gate, Redwood Regional Park, Oakland Hills 396 Comment
  UC792334  Disporum hookeri J. A. Rattenbury 1948-3-8 96 Contra Costa on s side of road nr creek 1/2 mi e of Oakland tunnel 213 Comment
  SEINET10558207  Distichlis spicata var. stolonifera Alan A. Beetle 1941-6-24 Beetle 1752 Contra Costa Point Richmond on San Francisco Bay, common in wet sandy places. Comment
  CDA39011  Dittrichia graveolens D. G. Kelch 2011-9-23 11 .75 Contra Costa Carquinez Strait Region; Martinez Train Station. Comment
  SD175796  Dittrichia graveolens D. G. Kelch 2006-9-25 06 476 Contra Costa Marsh 1.0 km west of Pacheco Slough. 2 Comment
  UCD84176  Dittrichia graveolens Chuck Hughes 2009-10-2 135 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 181 Comment
  JEPS112042  Dodecatheon hendersonii A. G. Murdock 2003-2-21 70 Contra Costa Mt. Wanda - Martinez Edge of chaparral, northeastern area of Mt. Wanda property 115 Comment
  JEPS9520  Dodecatheon hendersonii W. L. Jepson 1923-3-11 9848 Contra Costa Mt. Diablo 396 Comment
  UC22416  Dodecatheon hendersonii J. Burtt Davy 1896-2-29 1266 Contra Costa Mitchell Canyon Mt. Diablo, Mitchell Canyon Comment
  UC1188741  Downingia insignis John H. Weiler 1959-4-11 5950 Contra Costa 1.5 mi s Byron (on the e side of the road) Comment
  RSA97189  Downingia insignis J. T. Howell 1953-4-26 28935 Contra Costa Between Byron and Byron Hot Springs. Comment
  SEINET3147638  Downingia ornatissima L. S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 Comment
  UCD35141  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Concord Valley. Comment
  JEPS128775  Draba verna Kevin Hintsa 1995-3-4 Contra Costa Deer Flat Road ca 1 mi NE of Juniper Campground, Mount Diablo State Park. Comment
  UC691098  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1933-5-22 2172 Contra Costa on north face w 1970 (Mount Diablo); Inner Black Hills, Mount Diablo Comment
  JEPS111938  Dryopteris arguta D. G. Kelch 2004-9-2 04 .340 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Martinez (Ozol) CA East of Ozol 25 Comment
  UC692555  Dudleya cymosa Mary L. Bowerman 1935-5-22 3061 Contra Costa Twin Peaks Eagle Point Ridge 472 Comment
  UC101030  Dudleya cymosa subsp. paniculata Edw. L. Greene June 1892 Contra Costa Mt Diablo Comment
  CAS-BOT-BC428220  Dudleya cymosa subsp. paniculata K. Nakai 1978-8-28 396 Contra Costa Summit of Mt. Diablo 1170 Comment
  UC1818961  Echinochloa crus-galli Barbara Ertter 1995-8-19 14502 Contra Costa Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water. Comment
  UC692286  Echinochloa crus-galli Mary L. Bowerman 1938-10-15 3726 Contra Costa North Road by trough where trail to west base spring begins Mount Diablo; , North Road 213 Comment
  POM300733  Echinochloa crus-galli Mary L. Bowerman 1938-10-15 372 Contra Costa North Road, by through where trail to west base spring begins. 213 Comment
  CAS-BOT-BC291118  Eclipta prostrata Walter Knight; Irja Knight 1980-8-26 3770 Contra Costa Hercules 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
  JEPS99522  Elatine brachysperma Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  UC1812  Eleocharis macrostachya J. Burtt Davy 1897-9-4 4077 Contra Costa Stege Comment
  UC691970  Eleocharis macrostachya Mary L. Bowerman 1938-5-28 3645 Contra Costa Maple Spring, on upper margin especially in the NW corner Mount Diablo Comment
  CAS-BOT-BC112797  Eleocharis macrostachya Walter Knight 1978-8-19 3233 Contra Costa Upper Sindecich Lagoon. Briones Regional Park. 335 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
  SEINET7714036  Ellisia chrysanthemifolia Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  UC756631  Elymus G. L. Stebbins Jr. 1946-6-9 3660 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  POM205573  Elymus X gouldii Jos Burtt Davy 1898-05 1742 Contra Costa Port Costa, on a steep bank Comment
  POM357109  Elymus X gouldii Glenn A. Gorelick 1967-5-13 s.n. Contra Costa Point Richmond Comment
  RSA108336  Elymus X gouldii Frank W. Gould 1941-7-4 1303 Contra Costa On wastelands along Bay just north of Albany race track. Comment
  UC2028475  Elymus X hansenii Barbara Ertter with Richard K. Brummitt 1998-5-6 16100 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  SEINET3929470  Elymus condensatus A. A. Beetle 1941-7-24 1751 Contra Costa Pt. Richmond on San Francisco Bay.; 0 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
  CAS-BOT-BC203433  Elymus glaucus subsp. glaucus Mary L. Bowerman 1935-5-3 2964 Contra Costa Mount Diablo. Sloan Road 487 Comment
  SEINET10558327  Elymus glaucus var. jepsonii Willis L. Jepson 1943-6-8 Jepson 20848 Contra Costa Northeast slope in woods. Moraga Ridge. Comment
  UC53737  Elymus multisetus Jos. Burtt Davy 1900-6-7 6651 Contra Costa San Pablo Ridge 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
  UC691178  Elymus trachycaulus Mary L. Bowerman 1935-6-15 3128 Contra Costa ridge running n from Mitchell-Pine divide (at 3100 ft level); Mount Diablo 868 Comment
  UC692458  Epilobium brachycarpum Mary L. Bowerman 1932-10-1 1600 Contra Costa ridge s Uncle Sam Canyon (w base of point, 200 ft above canyon bottom); Mount Diablo, Eagle Point Comment
  UC84481  Epilobium campestre T. S. Brandegee 1892-6-8 Contra Costa Antioch 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
  CAS-BOT-BC166825  Epilobium canum subsp. latifolium M. K. Curran 1883-10-1 s.n. Contra Costa [Marsh's] Marsh Creek Comment
  UC2027841  Epilobium ciliatum Barbara Ertter 2000-9-30 17535 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch. Comment
  CDA38073  Epilobium ciliatum subsp. ciliatum A. G. Murdock 2004-5-28 295 Contra Costa Carquinez Strait; Refugio Valley. Comment
  UC1606307  Epilobium ciliatum subsp. ciliatum Barbara Ertter, Chris Thayer 1993-5-7 11693 Contra Costa on Wildcat Canyon Rd 1/2 mi se Inspiration Point (e of Tilden Park, marshy area); East Bay Municipal Utilities land, Hopkins Spring 304 Comment
  UC1784916  Epilobium ciliatum subsp. ciliatum Barbara Ertter with Laura Fujii 1990-7-21 9401 Contra Costa Briones Regional Park, Briones Hills W of Pleasant Hill, at Bear Creek crossing on Homestead Valley trail 274 Comment
  UC2027881  Epilobium ciliatum subsp. ciliatum Barbara Ertter 2000-9-30 17534 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch. Comment
  UCD105799  Epilobium ciliatum subsp. ciliatum Terri Williamson 1990-5-22 72 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  UC1122344  Epilobium densiflorum H. S. Yates 1934-9-2 4075 Contra Costa 1 1/2 mi nw Orinda; Concord Quadrangle Comment
  UC2028435  Epilobium densiflorum Barbara Ertter with Chris Thayer 1996-10-25 15352 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothill Regional Park Comment
  UC2028026  Epilobium densiflorum Barbara Ertter 1997-9-14 15807 Contra Costa West side of Mount Diablo, Pine Creek upstream from Dusty Trail. Comment
  UC615553  Epilobium densiflorum Beryl O. Schreiber 1933-10-5 936 Contra Costa road to Mount Diablo; marshy ground Comment
  JEPS111942  Equisetum telmateia subsp. braunii D. G. Kelch 2004-7-9 04 .292B Contra Costa Crockett: Edwards Creek 5 Comment
  SJSU10471  Eragrostis curvula R. V. Scott 1972-3-27 Contra Costa 5 mi NW of San Ramon Comment
  UCD63093  Eragrostis curvula Beecher Crampton 1965-9-29 7526 Contra Costa 5 miles south of Brentwood Vasco Road and Camino Vaqueros. Comment
  CAS-BOT-BC204548  Eragrostis curvula R. E. Frenkel 1963-5-15 190 Contra Costa East side of Marsh Creek Road, 2 miles east of Clayton Comment
  UC2028469  Eragrostis mexicana subsp. virescens Barbara Ertter 1997-8-24 15777 Contra Costa Mount Diablo, Summit Road just above Junction Station Comment
  JEPS123272  Eriastrum ertterae David Gowen 2005-6-5 404 Contra Costa Lime Ridge Open Space. Hill 724 east of the golf course. Comment
  OBI16592  Ericameria arborescens H. E. McMinn 1936-1 4453 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC287528  Ericameria linearifolia H. E. McMinn 1922-6-2 96 Contra Costa From near summit of Mt Diablo Comment
  CAS-BOT-BC287529  Ericameria linearifolia Alice Eastwood 1915-5-30 4479 Contra Costa Mt Diablo Comment
  JEPS31296  Ericameria linearifolia W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  POM289061  Ericameria linearifolia Lyman Benson 1935-3-16 6267 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC1614256  Ericameria linearifolia Charles M. Belshaw 1935-6-10 697 Contra Costa Morgan Territory Rd. e. side of Mt. Diablo Comment
  UC186077  Ericameria linearifolia K. Brandegee May 1886 Contra Costa Antioch Comment
  UC75068  Ericameria linearifolia C. F. Baker 1903-4-28 2942 Contra Costa Mitchell's Canyon Mt. Diablo, Mitchell's Canyon (Mt. Diablo, open mountain slopes) Comment
  JEPS79321  Erigeron foliosus var. franciscensis Edward Lee with Annetta Carter 1935-8-17 1633 Contra Costa Antioch sand-dunes Comment
  UC31418  Erigeron lonchophyllus F. P. McLean 1875-3-1 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC295717  Erigeron petrophilus var. petrophilus Joseph Andorfer Ewan 1936-7-5 9735 Contra Costa Wildcat Creek Comment
  RSA517729  Erigeron philadelphicus Donald G. Nelson 1938-4-24 566 Contra Costa Marsh Creek Highway, 1 mile north of Mt. Diablo Comment
  CDA22594  Eriogonum fasciculatum var. foliolosum A. G. Murdock, D. G. Kelch 2004-3-19 233 Contra Costa Carquinez Strait; Hercules - Carbon. Comment
  UC1032304  Eriogonum gracile G. T. Nordstrom 1937-10-28 1409 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quadrangle Comment
  UC1094040  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa sand hills, Antioch Antioch 15 Comment
  RSA0027415  Eriogonum gracile Barbara J. Ertter 1997-8-24 15773 Contra Costa Mount Diablo, SE side of peak on Mary Bowerman/Fire Interpretive Trail. Comment
  UC1795829  Eriogonum gracile Barbara Ertter, Mary L. Bowerman 1994-6-19 12847 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, roadside. Comment
  UC1980601  Eriogonum gracile James L. Reveal 1974-8-6 3772 Contra Costa Summit of Mt. Diablo, near lower parking lot west of summit. Comment
  UC692048  Eriogonum gracile var. gracile Mary L. Bowerman 1931-9-12 1038 Contra Costa spur jutting into west fork of Mitchell Canyon Mount Diablo, Mitchell Canyon 838 Comment
  UC692050  Eriogonum gracile var. gracile Mary L. Bowerman 1930-9-9 458 Contra Costa North Peak, Mount Diablo Mount Diablo; above Gabriel-Hinks'? Comment
  RSA107410  Eriogonum gracile var. gracile L. S. Rose 1955-10-17 55187 Contra Costa Antioch 15 Comment
  UC692111  Eriogonum luteolum var. luteolum Mary L. Bowerman 1932-10-22 1637 Contra Costa road to Quicksilver Mine (flats at base of North Peak); Mount Diablo, North Peak 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
  JEPS107089  Eriogonum nudum var. auriculatum Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14675 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area. Comment
  JEPS75519  Eriogonum nudum var. auriculatum P. F. Yorks 1975-7-18 475 B Contra Costa on Hampton Rd ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Area 190 Comment
  CAS-BOT-BC268905  Eriogonum nudum var. auriculatum H. E. McMinn No date on label 133 Contra Costa Collected from near summit of Mt. Diablo, N. slope Comment
  UC2029055  Eriogonum nudum var. auriculatum Barbara Ertter with Delia Taylor 2003-6-22 18227 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road. Comment
  UC1229891  Eriogonum nudum var. psychicola Jerry Powell 1962-8-19 308 Contra Costa about 2 mi e Antioch Comment
  CAS-BOT-BC253092  Eriogonum roseum R. F. Hoover 1940-11-30 4699 Contra Costa 2 mi. S of Antioch Comment
  JEPS56301  Eriogonum truncatum M. K. Curran May 1886 Contra Costa Antioch Comment
  UC85720  Eriogonum truncatum M. K. Curran May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC262346  Eriogonum vimineum Mary L. Bowerman 1930-6-18 350 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC298509  Eriophyllum confertiflorum H. E. McMinn 1923-6-18 1152 Contra Costa Horn Canon Comment
  CDA10029  Eriophyllum jepsonii D. G. Kelch 2007-4-28 7 .203 Contra Costa Mitchell Canyon. Mt Diablo. Comment
  CAS-BOT-BC300968  Eriophyllum lanatum var. achilleoides John Thomas Howell 1923-11-12 244 Contra Costa Mt. Diablo Comment
  JEPS34599  Eriophyllum lanatum var. achilleoides W. L. Jepson 1891-5-24 14563 Contra Costa Mt. Diablo Comment
  UC1118235  Eriophyllum lanatum var. achilleoides C. M. Belshaw 1936-5-8 2065 Contra Costa Plot 5 Mount Diablo Quadrangle, Mt. Diablo (se slope of mt.) Comment
  UC507126  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-25 E 94 Contra Costa near the se base of Mount Diablo (se slope) Comment
  CAS-BOT-BC300969  Eriophyllum lanatum var. achilleoides John Thomas Howell 1931-5-12 6485 A Contra Costa Marsh Creek Road ne. of Mt. Diablo Comment
  CAS-BOT-BC300980  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 97 Contra Costa South slope, 1 mile below summit of Mt. Diablo Comment
  CAS-BOT-BC300982  Eriophyllum lanatum var. achilleoides Lincoln Constance; Helen Sharsmith; Carl Sharsmith 1933-4-30 E 17 Contra Costa Black Hills, Mount Diablo Comment
  JEPS34592  Eriophyllum lanatum var. achilleoides W. L. Jepson 1918-6-5 7608 Contra Costa on the n peak Mt. Diablo Comment
  POM301035  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-6-21 2339 Contra Costa Donner Canyon Comment
  UC2028366  Eriophyllum lanatum var. achilleoides Barbara Ertter 1998-6-20 16258 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, south side of Flat Top Comment
  POM358034  Eriophyllum lanatum var. grandiflorum E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon. Comment
  CDA29179  Erodium botrys D. G. Kelch 2008-6-15 8 .246 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  CDA29765  Erodium botrys D. G. Kelch, Troy MacGregor 2009-5-1 9 .266 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC1130297  Erodium cicutarium R. C. Wilson 1935-2-26 113 Contra Costa Somersville Mt. Diablo Quad. 289 Comment
  UCSB12514  Erodium cicutarium Grah, Nancy 1962-4-14 Contra Costa 0.6 mile north of Tarry Lane on Tappan Lane; Orinda 243 Comment
  UC571139  Erodium macrophyllum H. L. Mason 1929-3-15 5060 Contra Costa about 5 mi from Brentwood (Marsh Creek Road) Comment
  UC20998  Eryngium aristulatum var. aristulatum J. Burtt Davy 1900-3-24 6525 Contra Costa Santa Fe Comment
  UCD35158  Eryngium articulatum Beecher Crampton 1950-8-22 620 Contra Costa Railroad right-of-way, Richmond. Comment
  UC692322  Eryngium castrense Mary L. Bowerman 1935-6-28 3170 Contra Costa Mt. Diablo, Chase Pond Comment
  CDA38316  Eryngium jepsonii D. G. Kelch 2002-5-13 2 .003 Contra Costa Carquinez Strait Region; Pt. Costa - Shore: Above Pt. Costa (above road between McEwen and EBRP staging area). Along old river channel. Comment
  UC1190972  Eryngium vaseyi Lincoln Constance, Reino Alava and Rimo Bacigalupi 1958-6-6 3661 Contra Costa 3 mi. s.e. Byron; San Joaquin Valley 10 Comment
  CAS-BOT-BC40767  Erysimum capitatum G. B. Rossbach 1955-3-13 570 Contra Costa Along tidal estuary of San Joaquin River just east of Antioch. 24 Comment
  CAS-BOT-BC40769  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-5 858 b Contra Costa Along tidal estuary of San Joaquin River just east of Antioch. Comment
  UC691082  Erysimum capitatum Mary L. Bowerman 1931-3-7 551 Contra Costa Indian Ceremonial Springs Mount Diablo Comment
  UC691089  Erysimum capitatum Mary L. Bowerman 1930-6-14 322 Contra Costa open places near summit (nw exposure); Mount Diablo, Meridian Peak Comment
  CAS-BOT-BC40758  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-5 859 Contra Costa Near summit Mount Diablo. Comment
  NY32656  Erysimum capitatum subsp. angustatum A. Eastwood 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  RSA102133  Erysimum capitatum var. angustatum G. B. Rossbach 1955-3-13 570 Contra Costa Along tidal estuary of San Joaquin River just E of Antioch 24 Comment
  POM272910  Erysimum capitatum var. capitatum Lyman Benson 1935-3-16 6261 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  RSA298536  Erysimum capitatum var. capitatum Robert A. Norris, John L. Inase 1981-5-10 4158 Contra Costa Near North Gate Road, Mt Diablo. 930 Comment
  CAS-BOT-BC151467  Erythranthe latidens Alice Eastwood; John Thomas Howell 1936-4-19 2155 Contra Costa 4 miles s. of Antioch Comment
  CAS-BOT-BC402983  Eschscholzia californica A. A. Heller 1938-4-9 15018 Contra Costa 3 miles southwest of Antioch Comment
  CHSC75109  Eschscholzia californica Roger Thom 1987-4-21 6 Contra Costa 3300 block of Johnson Rd. Lafayette. 167 Comment
  UC692191  Eschscholzia californica Mary L. Bowerman 1930-6-28 386 Contra Costa near road above junction; Mount Diablo Comment
  UCD95304  Eschscholzia californica Jennifer Davies 1982-4-11 1 Contra Costa 0.5 mile west of Park HQ on Northgate Road, Mt. Diablo. 670 Comment
  SEINET3840812  Eschscholzia californica subsp. californica Unknown 2006-7-14 6 .335 Contra Costa Between route 4 and Carbon road, east Rodeo 24 Comment
  JEPS1727  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1891-6-9 21003 Contra Costa Fish Ranch Road; Berkeley Hills Comment
  UC35514  Eucrypta chrysanthemifolia var. chrysanthemifolia Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC691712  Eucrypta chrysanthemifolia var. chrysanthemifolia Mary L. Bowerman 1932-3-6 1102 Contra Costa Sycamore Canyon Mount Diablo (at mouth) 335 Comment
  UC2028112  Eucrypta chrysanthemifolia var. chrysanthemifolia Barbara Ertter with Christopher Baysdorfer 1998-5-10 16110 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail. Comment
  UC2027960  Euphorbia maculata Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15666 Contra Costa Miller Knox Regional Shoreline south of Richmond, parking area for Richmond Ramblers. Comment
  CDA35612  Euphorbia oblongata V. Guise 2011-5-2 PDR# 1649668 Contra Costa Danville; 2600 Finley Road. 0 Comment
  JEPS111957  Euphorbia peplus D. G. Kelch 2005-3-11 05 .42 Contra Costa Martinez: Mt. Wanda. North side 90 Comment
  CDA34210  Euphorbia spathulata D. G. Kelch 2011-5-28 11 .538 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC1818929  Euphorbia spathulata Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14586 Contra Costa East side of Mt. Diablo, access from Morgan Territory Rd. to Prospectors Gap Rd., gate between archery range and private ranch, open oak woodland. 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
  UCD150901  Euthamia occidentalis James A. Neilson Jr. 1972-10-22 3601 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  UC2028144  Festuca microstachys Barbara Ertter 1998-4-4 15971 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill. Comment
  UC2028533  Festuca microstachys Barbara Ertter with Tony Morosco 1998-4-12 15989 Contra Costa Base of Mount Olympia on north side of Mount Diablo. Comment
  JEPS41063  Festuca rubra Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9088 Contra Costa sw of Richmond; San Francisco Bay, Brooks Island Comment
  SEINET257715 Image available Festuca rubra M. Barkworth, D Amme 1989-6-15 5168 Contra Costa Bluffs back of beach just N of Castro Point Comment
  CDA133  Forestiera pubescens D. G. Kelch, D. A. Weinstein 2007-10-14 7 .635 Contra Costa Carquinez Strait; Martinez. Rankin Park. Comment
  UC691117  Fragaria vesca Mary L. Bowerman 1931-3-29 623 Contra Costa n-face East Cave Point Ridge; Mount Diablo Comment
  UC691116  Fragaria vesca Mary L. Bowerman 1933-4-28 1893 Contra Costa e fork at water trough Curry Cave Point trail; Mount Diablo 457 Comment
  UCR5932  Fragaria vesca subsp. californica Charles Prentiss 1966-4-5 5 Contra Costa Tilden Park at Indian Camp, meadow west of parking lot Comment
  CDA42343  Frangula californica D. G. Kelch 2012-5-27 12 .07 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  CAS-BOT-BC52533  Frangula californica subsp. californica H. E. McMinn 1922-10-17 402 Contra Costa unspecified Comment
  CHSC99192  Frankenia salina John Dittes 2006-10-26 1413 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
  JEPS74307  Frankenia salina John Thomas Howell and Gordon H. True 1972-6-29 48919 Contra Costa Byron Hot Springs Road se Byron Comment
  UCD99590  Frankenia salina John Thomas Howell; Gordon H. True 1972-6-29 48919 Contra Costa on Byron Hot Springs Road southeast of Byron. Comment
  UC691838  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3103 Contra Costa first small ridge e Mitchell-Pine divide; Mount Diablo 1005 Comment
  JEPS61960  Fritillaria affinis W. L. Jepson 1921-11-19 8524 Contra Costa Mount Diablo Comment
  UC692003  Fritillaria affinis Mary L. Bowerman 1931-3-8 562 Contra Costa Mount Diablo, near mouth of Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon Comment
  CAS-BOT-BC130197  Fritillaria agrestis Niall McCarten; V. I. Dains 1986-1-1 03231251 13 Contra Costa W of Camino Diablo & Kellogg Creek Comment
  CAS-BOT-BC130353  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club Comment
  JEPS55706  Fritillaria liliacea W. Hirano 1954-3-11 Contra Costa opposite Mira Vista Country Club (at Arlington Avenue); Arlington Avenue Comment
  SEINET196591  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club. Comment
  UCR160111  Fumaria capreolata M. I. Wibawa 2003-3-1 331 Contra Costa San Francisco Bay Region, along sidewalk on corner of Junction Ave. and Hagen Blvd., El Cerrito 44 Comment
  RSA87348  Galium andrewsii F. W. Peirson 1923-07 4730 Contra Costa Near summit of Mt. Diablo. 1159 Comment
  UC1143116  Galium andrewsii subsp. gatense C. M. Belshaw 1936-5-8 2058 Contra Costa se slope Mt. Diablo Quadrangle, Mt. Diablo (Plot 5) Comment
  CDA42125  Galium aparine D. G. Kelch 2005-5-5 5 .211 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  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
  UC691536  Galium aparine Mary L. Bowerman 1932-4-27 1374 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge 289 Comment
  UC691537  Galium aparine Mary L. Bowerman 1935-6-1 3101 Contra Costa gully e Mitchell-Pine Divide; Mount Diablo 975 Comment
  CDA33985  Galium aparine D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .11 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  HSC19785  Galium aparine Greg Bos 1963-4-20 86 Contra Costa Pinole Valley Rd., SE of Pinole Flat Meadow area 76 Comment
  UCR263548  Galium californicum subsp. californicum Barbara Ertter, Susan D'Alcamo 1998-6-12 16202 Contra Costa San Francisco Bay Region, along Curry Canyon Road on south side of Mount Diablo, halfway between Knobcone Point Road and Sheepherder Springs Trail Comment
  UC2042798  Galium murale Barbara Ertter 1991-6-1 10071 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, paved portion of Rocky Ridge Trail ca. 1 from parking lot. Comment
  UC2027970  Galium parisiense Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15660 Contra Costa North base of Mount Diablo, lower end of Mitchell Canyon. Comment
  UC691533  Galium porrigens Mary L. Bowerman 1935-5-16 2982 Contra Costa flat at end of road Mount Diablo, Russelman Park 381 Comment
  JEPS112107  Galium porrigens var. porrigens D. G. Kelch 2003-4-3 03 .357 Contra Costa Cummings Skyway 134 Comment
  JEPS52754  Galium porrigens var. porrigens Lauramay T. Dempster 1963-5-30 3805 Contra Costa 15 El Toyonal Orinda Comment
  CAS-BOT-BC303370  Gamochaeta ustulata Gordon H. True 1975-6-27 7872 Contra Costa Tilden Regional Park Botanic Garden, Wildcat Canyon Comment
  UC2028292  Gamochaeta ustulata Barbara Ertter, Dan Norris 1998-6-18 16224 Contra Costa Devil's Slide trail from Knobcone Point Road, south side of Mount Diablo, upper end of trail Comment
  UC1122635  Garrya elliptica R. W. Lundh 1933-1-12 187 Contra Costa 0.5 mi s Round Mountain; Concord Quad. 609 Comment
  CAS-BOT-BC200627  Garrya elliptica Mary L. Bowerman 1933-3-11 1746 Contra Costa Fossil Ridge, knoll south of 1778 point Comment
  RSA721733  Garrya flavescens subsp. flavescens Barbara Ertter, Holly C. Forbes 1996-2-11 14549 Contra Costa North side Mount Diablo; Murchio Gap on Median Ridge Road. 732 Comment
  CAS-BOT-BC169947  Garrya fremontii Mary L. Bowerman 1930-6-7 s.n. Contra Costa Meridian Peak Summit Comment
  POM203166  Garrya fremontii L. S. Rose 1934-2-28 34041 Contra Costa Summit of 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-BC282610  Gastridium phleoides Mary L. Bowerman 1933-6-14 2272 Contra Costa Ridge between two main forks, Curry-Cave Canyon, Mount Diablo Comment
  UC585537  Gastridium ventricosum Virginia E. Long 1933-6-14 224 a Contra Costa ridge entering W Fork of Curry Cave trail canyon Mt. Diablo; , ridge entering W Fork of Curry Cave trail canyon Comment
  CAS-BOT-BC278704  Gastridium ventricosum Mary L. Bowerman 1932-4-27 1397 Contra Costa Mount Diablo. Oyster Ridge, south face, canyon west of Riggs Canyon 335 Comment
  HSC8643  Geranium carolinianum Greg Bos 1963-3-9 31 Contra Costa Point Isabel, Richmond 3 Comment
  JEPS111978  Geranium dissectum D. G. Kelch 2003-3-28 03 .89 Contra Costa Rodeo - Lone Tree Point 2 Comment
  UC571135  Geranium dissectum A. E. Borell 1928-3-31 78 Contra Costa Richmond Comment
  JEPS111972  Geranium molle D. G. Kelch 2004-5-9 04 .203 Contra Costa Crockett - Edwards Canyon Upper Edwards Canyon 160 Comment
  RSA0029465  Geranium purpureum Barbara Ertter 2000-5-14 17012 Contra Costa Mount Diablo Regional Park, Falls Trail at Donner Creek crossing. 488 Comment
  JEPS111982  Geranium robertianum D. G. Kelch 2005-5-13 05 .254 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  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
  RSA0029580  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills east of Berkeley, restoration site northeast of junction of Grizzly Peak Boulevard and Golf Course drive. Comment
  UC691613  Gilia achilleifolia subsp. multicaulis Mary L. Bowerman 1935-5-30 3088 Contra Costa Eagle Point Ridge Mount Diablo, Eagle Point Ridge 320 Comment
  UCD117632  Gilia achilleifolia subsp. multicaulis P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and Summit. Comment
  UC1795760  Gilia achilleifolia subsp. multicaulis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14226 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point, grassland, oaks around knoll. . 487 Comment
  RSA566429  Gilia capitata subsp. staminea Peter L. Morrell, Donna S. Krause 1993-5-16 239 Contra Costa Contra Costa County, along sides of raod 100m W of 1701 Wilbur Ave, Antioch, betw Southern Pacific tracks and San Joaquin River (0.5 miles W of Hwy 4/160). Comment
  UC402614  Gilia capitata subsp. staminea C. L. Swenson April, 1930 Contra Costa Antioch Comment
  UCR86951  Gilia capitata subsp. staminea Peter L. Morrell, Donna Krause 1993-5-16 239 Contra Costa Along side of road 100m west of 1701 Wilbur Ave., Antioch, between Southern Pacific tracks and San Joaquin River (0.5 miles west of Calif. Hwy 4/160) 6 Comment
  RSA79449  Gilia capitata subsp. staminea E. K. Crum 1936-4-5 1746 Contra Costa South Coast Ranges, 2 miles W of Bryon 46 Comment
  UC575672  Gilia clivorum Lewis S. Rose 1935-5-16 35175 Contra Costa Mt. Diablo Comment
  UC691674  Gilia clivorum Mary L. Bowerman 1935-4-17 2827 Contra Costa West Road 2 mi from entrance (( = North Road), Mount Diablo); Mount Diablo, West Road (=North Road) 237 Comment
  UC691678  Gilia clivorum Mary L. Bowerman 1935-4-22 2894 Contra Costa ridge w Pioneer Road (w of Stage Road) (Mount Diablo); Mount Diablo 822 Comment
  SEINET10464620  Githopsis specularioides Bowerman 1935-5-18 BOWERMAN 3034 Contra Costa Meridian Peak north of the summit parking area 1067 Comment
  UC1051198  Gladiolus X colvillei N. Floy Bracelin 1944-6-11 2724 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1738825  Glyceria occidentalis Dean W. Taylor 1990-4-10 10675 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  CHSC75085  Glycyrrhiza lepidota Roger Thom 1987-5-13 9 Contra Costa Calif. State University Hayward's Contra Costa Campus. 3100 Oak Park Blvd. Pleasant Hill. 30 Comment
  CDA35615  Gnaphalium californicum I. Godwyn 2011-5-12 PDR# 1649778 Contra Costa Richmond; Wildcat Canyon Regional Park, near McBryde Ave. 0 Comment
  CDA5999  Gnaphalium canescens subsp. beneolens D. G. Kelch, A. G. Murdock 2004-9-2 4 .345 Contra Costa Carquinez Strait Region; Martinez -West: Ozol Rock and Scenic Drive. Alhambra Road. South of Green Street. Comment
  CDA6000  Gnaphalium canescens subsp. beneolens D. G. Kelch, A. G. Murdock 2004-7-16 4 .318 Contra Costa Carquinez Strait Region; Martinez-South: Pine Street entrance to Route 4 heading west. Comment
  RSA721738  Gnaphalium canescens subsp. beneolens Barbara Ertter, Kristin Ertter 1995-7-11 14469 Contra Costa Pine Creek on west side of Mt. Diablo southwest of Walnut Creek; Diablo Foothills Regional Park Comment
  CDA6041  Gnaphalium luteoalbum D. G. Kelch, A. G. Murdock 2005-5-1 5 .185 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  UC1618414  Gnaphalium palustre Barbara Ertter, Brad Olson 1991-9-28 10835 Contra Costa between Orinda and El Sobrante (at s end of San Pablo Reservoir); San Pablo Reservoir 91 Comment
  UC691823  Gnaphalium palustre Mary L. Bowerman 1935-9-13 3342 Contra Costa Frog Pond Mount Diablo Comment
  CAS-BOT-BC305226  Grindelia hirsutula Lewis S. Rose 1930-7-22 s.n. Contra Costa Antioch Bridge 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
  UC1610053  Grindelia hirsutula Meredith A. Lane 1986-9-8 3104 Contra Costa at n city limit Pinole (along San Pablo Blvd.) 15 Comment
  CAS-BOT-BC305224  Grindelia hirsutula John Thomas Howell 1930-9-28 5495 Contra Costa Liberty School on Marsh Creek Road Comment
  CAS-BOT-BC305230  Grindelia hirsutula John Thomas Howell 1930-9-28 5486 Contra Costa Tunnel Road near Oak Spring Comment
  CAS-BOT-BC305242  Grindelia hirsutula John Thomas Howell 1929-9-21 4387 Contra Costa 4 miles west of Clayton Comment
  CAS-BOT-BC305245  Grindelia hirsutula John Thomas Howell 1954-9-5 30027 Contra Costa Marsh Creek Road 8 miles from Byron Comment
  SEINET201967  Grindelia hirsutula var. hirsutula G. T. Robbins 1959-4-25 4003 Contra Costa Potero Hills above shore of San Francisco Bay S of Castro Pt. and just N of Richmond-San Rafeal Bridge Richmond Comment
  UC691154  Guillenia flavescens Mary L. Bowerman 1935-4-22 2879 Contra Costa 2 mi from North Gate (North Road, just w of chaparral); Mount Diablo 213 Comment
  RSA44375  Guillenia lasiophylla L. S. Rose 1949-3-24 49010 Contra Costa 1 mile W of Byron. 30 Comment
  JEPS40433  Gutierrezia californica William Turner 1965-10-13 Contra Costa in the sand hills Antioch (along the San Joaquin River); San Joaquin River, Antioch Comment
  SJSU14141  Gutierrezia californica D. B. Gschwend 1975-10-18 Contra Costa 3 mi up Nortonville Rd from Kirker Pass Rd, S of Pittsbutg 487 Comment
Read comments
Aug 17 2011
  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
  UC1050450  Hebe hulkeana N. Floy Bracelin 1941-5-4 1277 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CDA5197  Hedera helix D. G. Kelch, A. G. Murdock 2005-5-23 5 .373 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  UC1795861  Hedera helix Barbara Ertter 1994-10-23 13915 Contra Costa Southwest El Cerrito, north edge Breuner's parking lot, northwest of Albany Hill. Comment
  JEPS112751  Hedypnois rhagadioloides Dean W. Taylor 2001-3-28 17621 Contra Costa Berkeley Hills, on slopes about 0.75 miles South of Highway 24 at eastern portal of the Caldecot Tunnel 298 Comment
  CAS-BOT-BC309406  Helenium puberulum Malcom A. Nobs; S. Galen Smith 1949-7-8 949 Contra Costa Otto's Black Bass Resort, 4 miles north of Kingston 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
  JEPS86722  Helianthella castanea James A. Martin 1991-5-21 Contra Costa 800 ft se Castro Ranch (ca 1 mi n of nw end of San Pablo Dam) 182 Comment
  UC62937  Helianthella castanea H. M. Evans 1907-4-6 Contra Costa Pine Canyon, Mt. Diablo Comment
  UC1618418  Helianthus californicus Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10719 Contra Costa west-most point opposite Pittsburg Marina (Browns Island n of Pittsburg near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  CAS-BOT-BC305671  Helianthus gracilentus Mary L. Bowerman 1932-10-1 1602 Contra Costa Mount Diablo. Mitchell Canyon Comment
  JEPS111836  Heliotropium curassavicum A. G. Murdock 2004-6-4 327 Contra Costa Pacheco Marsh Near shore on back of dikes 2 Comment
  CDA7053  Hemizonia congesta subsp. luzulifolia D. G. Kelch 2006-7-14 6 .333 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  JEPS12596  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1939-4-25 4061 Contra Costa Richmond Hills Comment
  UC912566  Hemizonia congesta subsp. luzulifolia Herbert L. Mason 7058 Contra Costa Laundry Farm Oakland Hills Comment
  CAS-BOT-BC314870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1917-5-27 10314 Contra Costa Fish Ranch, Berkeley Hills Comment
  CAS-BOT-BC314872  Hemizonia congesta subsp. luzulifolia D. E. Breedlove 1969-10-18 16707 Contra Costa Along the roadbank on Deer Hill Road near the junction with Happy Valley Road, Lafayette Comment
  CAS-BOT-BC314875  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1933-5-25 2197 Contra Costa Oyster Ridge, between forks of teh branch of Alamo Creek on south side of main ridge, Mount Diablo Comment
  SEINET5782065 Image available Hemizonia fitchii L. S. Rose 1941-10-13 41464 Contra Costa 1 mi E of Walnut Creek Comment
  RSA121592  Hemizonia fitchii H. S. Yates 1934-9-2 4086 Contra Costa 2 miles S of Mt. Diablo. 579 Comment
  POM30955  Hemizonia kelloggii Katherine Brandegee 1907-5-5 19 Contra Costa Near Antioch. Comment
  RSA81617  Hemizonia pungens subsp. maritima James I. McMurphy 1909-5-20 s.n. Contra Costa Antioch. Comment
  CDA38358  Heracleum lanatum A. G. Murdock 2004-4-3 260 Contra Costa Vaca Canyon. Comment
  CDA18901  Hesperis matronalis V. Guise 2000-5-22 PDR 031723 Contra Costa on the east side of Tassajara Rd., Danville. 0 Comment
  JEPS23520  Hesperocnide tenella Edw. L. Greene Apr., 1889 Contra Costa Pinole Canyon Comment
  UC2028049  Hesperocnide tenella Barbara Ertter 1998-2-15 15913 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, outcrops on north side of Joaquin Ridge south of Indian Creek, +/- wooded. Comment
  CAS-BOT-BC167431  Hesperolinon breweri Helen 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 304 Comment
  CAS-BOT-BC167441  Hesperolinon breweri Mary L. Bowerman 1930-6-22 356 Contra Costa Mitchell Canyon. Mt Diable Comment
  JEPS32328  Hesperolinon breweri W. L. Jepson 1918-6-3 7568 Contra Costa Donner Canyon Mt. Diablo Comment
  RSA0031306  Hesperolinon breweri Barbara Ertter 2000-5-14 17000 Contra Costa Donner Canyon on north side of Mount Diablo. 335 Comment
  RSA102173  Hesperolinon breweri M. K. C. 1885-06 s.n. Contra Costa Antioch Comment
  UC1058216  Hesperolinon breweri W. H. Brewer May 29 1862-Jan 1 1900 1181 Contra Costa Camp 71 Mount Diablo Range, Marsh's Ranch Comment
  CDA22495  Heterotheca grandiflora D. G. Kelch, Mike Park 2008-9-1 8 .294 Contra Costa Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez. Comment
Read comments
Dec 4 2011
  JEPS40434  Heterotheca grandiflora William Turner 1965-11-23 Contra Costa just e Antioch (in the Antioch sand hills); San Joaquin River Comment
  UC2027745  Heterotheca grandiflora Barbara Ertter 1997-1-5 15435 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  UC615565  Heterotheca sessiliflora subsp. echioides Beryl O. Schreiber 1933-10-5 940 Contra Costa Mount Diablo Comment
  UCD133087  Heterotheca sessiliflora subsp. echioides Ann F. Johnson 1978-7-18 s.n. Contra Costa east of Antioch. Overlooking the south bank of the San Joaquin River. Comment
  UC1192275  Hibiscus lasiocarpos Malcolm A. Nobs 1948-9-23 682 Contra Costa 7 mi. s. Kingston (Rock Slough); Rock Slough Comment
  CAS-BOT-BC203380  Hibiscus lasiocarpos var. occidentalis Ira L. Wiggins 1954-9-5 13121 Contra Costa Levee along Bethel Island Comment
  CAS-BOT-BC203382  Hibiscus lasiocarpos var. occidentalis Ira L. Wiggins 1938-8-15 9006 Contra Costa Banks of Old River branch of San Joaquin River at Highway #4 Comment
  UC691425  Hieracium albiflorum Mary L. Bowerman 1930-10-19 488 Contra Costa s road at Garden-of-the-Gods; Mount Diablo Comment
  CDA2182  Holcus lanatus D. G. Kelch, A. G. Murdock 2005-6-24 5 .386 Contra Costa Carquinez Strait Region; 5th Street Prairie, Crockett. 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
  CDA8362  Holocarpha heermannii D. G. Kelch, A. G. Murdock, M. K. Herzenach 2004-9-2 4 .329 Contra Costa Carquinez Strait; Near Summit of Mckewan Rd between Port Costa and I-4. Comment
  UC1332423  Holocarpha heermannii P. B. Dickey 1932-9-14 164 Contra Costa Walnut Creek Comment
  UC4897718  Holocarpha heermannii Lewis S. Rose 1934-9-9 34462 Contra Costa 9 mi ne Danville Comment
  POM360677  Holocarpha heermannii Hattie Beuton 1917-09 3287 Contra Costa Mt. Diablo. Comment
  UC2012985  Holocarpha heermannii Barbara Ertter with Lisa Schultheis 1996-9-2 15276 Contra Costa South side of Mount Diablo, west end of Blackhawk Ridge. Comment
  CAS-BOT-BC320226  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa 100-400 feet east of highway 80, and 100-300 yards south of Appian Way, Pinole Comment
  SD94549  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa 100-400 feet east of highway 80 and 100-300 yards south of Appian Way, Pinole Comment
  SJSU7097  Holocarpha macradenia D. J. Powers 1974-10-6 1001 A Contra Costa 100-300' E of Interstate Hwy 80 & 100-300 yards S of Appian Way, Pinole Comment
  CAS-BOT-BC320224  Holocarpha macradenia Irja Knight 1979-5-3 3375 Contra Costa In Pinole in a pasture on s.e. corner of Appian Way and I-80 Comment
  CAS-BOT-BC320259  Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 miles west of Byron, on the Marsh Creek Road 33 Comment
  UC517968  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa dry hills along the Marsh Creek Road 5.4 mi from Byron Comment
  CAS-BOT-BC320242  Holocarpha obconica David D. Keck 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  CAS-BOT-BC320245  Holocarpha obconica James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Hills Comment
  OBI16047  Holocarpha obconica Robert F. Hoover 1965-9-24 9649 Contra Costa W of Byron, between Kellogg and Marsh Crks Comment
  CAS-BOT-BC123420  Holocarpha obconica subsp. autumnalis David Daniels Keck; Jens Chr. Clausen 1933-10-27 2567 Contra Costa 1.6 miles W of Byron, 1.4 miles from junction with Vasco Road Comment
  SEINET5782142 Image available Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi W of Byron Comment
  CAS-BOT-BC324611  Holocarpha virgata David D. Keck 1933-11-2 2620 Contra Costa Horse Valley between Lone Tree Way adn Marsh Creek Road, 6 miles from Antioch Comment
  UC532119  Holocarpha virgata subsp. virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi w Byron (1.4 mi from junction with Vasco Road) Comment
  OBI16043  Holocarpha virgata subsp. virgata Robert F. Hoover 1969-8-29 11566 Contra Costa Raymond rd and Ames St, Livermore Valley Comment
  POM179764  Holocarpha virgata subsp. virgata J. T. Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on the Marsh Creek Road. Comment
  POM179767  Holocarpha virgata subsp. virgata J. T. Howell 1930-9-28 5502 Contra Costa 5.4 miles from Byron on Marsh Creek Road. Comment
  JEPS112072  Holodiscus discolor A. G. Murdock 2004-5-28 274 Contra Costa Pinole Peak 205 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
  JEPS99981  Holodiscus discolor A. Langston 2003-6-12 AL 40 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET4090611  Holodiscus discolor B. C. Templeton 1962-1 sn Contra Costa Mountain Diablo. Comment
  UC12336  Holodiscus discolor Ivar Tidestrom 1895-6-1 Contra Costa Crockett Comment
  UC691113  Holodiscus discolor Mary L. Bowerman 1935-6-21 3146 Contra Costa Mount Diablo, east fork Arroyo Del Cerro, several hundred yards below the spring Arroyo Del Cerro; Mount Diablo, Arroyo Del Cerro 289 Comment
  CHSC114266  Hordeum brachyantherum D. G. Kelch; Troy MacGregor 2009-5-10 09 .288 Contra Costa Carquinez Strait: Fernandez Ranch in valley bottom along Christie Rd. 76 Comment
  UC1606308  Hordeum brachyantherum subsp. brachyantherum Barbara Ertter, Chris Thayer 1993-5-7 11689 Contra Costa on Wildcat Canyon Road Hopkins Spring 1/2 mi se Inspiration Point (East Bay Municipal Utilities District land e of Tilden Park); Hopkins Spring, East Bay Municipal Utilities District land 304 Comment
  UC756652  Hordeum brachyantherum subsp. brachyantherum G. L. Stebbins Jr. 1946-6-9 3654 Contra Costa 2 mi E of El Cerrito (near Mira Vista Country Club) Comment
  CDA9486  Hordeum depressum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .211 Contra Costa Byron Airport. Comment
  RSA0033848  Hordeum depressum Barbara Ertter, Brad Olson 2000-6-2 17304 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  UC50655  Hordeum depressum Jos. Burtt Davy May 1898 Contra Costa Danville Comment
  CAS-BOT-BC284990  Hordeum depressum Ira L. Wiggins 1930-4-17 4569 Contra Costa 2 mi. east of Mountain House on road to Byron 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
  UC691196  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1933-5-11 2086 Contra Costa Inner Black Hills w of saddle , Inner Black Hills w of saddle (Mount Diablo) Comment
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  CAS-BOT-BC284776  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-5-8 2003 Contra Costa Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Gate 289 Comment
  CAS-BOT-BC284890  Hordeum murinum subsp. leporinum R. E. Frenkel 1964-2-25 382 Contra Costa North of Marsh Creek Road, 1/4 mile west of junction with Walnut Blvd. 33 Comment
  UC691094  Horkelia californica subsp. dissita Mary L. Bowerman 1932-11-25 1666 Contra Costa Mount Diablo, Silver Spring Comment
  JEPS112088  Horkelia californica subsp. frondosa D. G. Kelch 2004-5-2 04 .164 Contra Costa Crockett - Edwards Canyon 125 Comment
  UC1606349  Horkelia californica subsp. frondosa Barbara Ertter with Dianne Lake 1991-8-18 10677 Contra Costa e;steep N-facing slope above pilings, ne of Bull Valley staging area Crockett; Carquinez Stsrait Regional Shoreline Comment
  UC2062668  Horkelia californica subsp. frondosa Barbara Ertter 2002-8-24 18015 Contra Costa East end of Olympia Trail on NE side of Mount Diablo, at junction with uphill trail near intersection of Marsh Creek Road and Morgan Territory Road. Comment
  CAS-BOT-BC206138  Hosackia crassifolia Alice Eastwood 1915-5-30 4524 Contra Costa Mt. Diablo Comment
  JEPS96251  Hydrocotyle verticillata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10863 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC1795762  Hydrocotyle verticillata Barbara Ertter, Lincoln Constance 1995-6-16 14260 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area, mud on riprap. Comment
  UC691697  Hydrophyllum occidentale Mary L. Bowerman 1930-6-10 311 Contra Costa Mount Diablo summit; Mount Diablo Comment
  RSA691938  Hypericum calycinum Barbara Ertter 1993-6-25 11907 Contra Costa Oakland-Berkeley Hills, Grizzly Peak Boulevard ca 1/4 miles south of Tilden miniature steam trains (1/4 miles south of junction of Lomas Cantadas), mixed scrub forest. 488 Comment
  JEPS124469  Hypericum perforatum subsp. perforatum Daniel Slakey with CNPS Volunteers 2015-7-6 142 Contra Costa Mt. Diablo, Green Ranch Rd. , about 200 meters west of jct. Alder Creek. Comment
  UC1555372  Hypochaeris radicata Jerry Powell 1988-5-18 1533 Contra Costa w Richmond; Point Molate Comment
  UC1948942  Hypochaeris radicata William J. Ferlatte, L. Maynard Moe 1970-4-27 1252 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC311406  Hypochaeris radicata Goodwin; Bellue 1932-5-6 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC133497  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns 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
  UC2029193  Iris pseudacorus Barbara Ertter 2000-7-16 17381 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  UC1050492  Jovellana violacea N. Floy Bracelin 1942-5-24 1412 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CAS-BOT-BC102308  Juglans hindsii L. R. Abrams 1916-7-29 6306 Contra Costa Walnut Creek Comment
  CDA9514  Juncus acuminatus D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .241 Contra Costa CA Delta; Along Clifton Court Near Clifton Court Forebay. Comment
  UC691939  Juncus balticus Mary L. Bowerman 1933-9-15 2444 Contra Costa s-face Meridian Peak; Mount Diablo, , Hunt Spring 762 Comment
  UC1819015  Juncus bufonius var. bufonius Barbara Ertter, Mary Bowerman et al. 1995-5-7 14038 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  SBBG122838  Juncus gerardi B. Ertter, S. Matson 2003-5-31 18175 Contra Costa Pickleweed Trail W of Arch Bridge, Martinez Regional Shoreline Comment
  CDA29782  Juncus occidentalis D. G. Kelch, Troy MacGregor 2009-5-1 9 .262 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC1795655  Juncus occidentalis Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14566 Contra Costa West end Oyster Point Rd in Mt Diablo State Park, moist meadow just east of junction. Comment
  UC2028537  Juncus occidentalis Barbara Ertter 1998-2-15 15912 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, open bank southeast of Indian Valley Pond. Comment
  UCD141678  Juncus oxymeris Ann F. Johnson 1978-6-26 AN 50 Contra Costa Shore of San Joaquin River, PG and E site, Antioch Dunes. Comment
  JEPS112437  Juncus patens D. G. Kelch 2004-5-7 04 .200 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  JEPS99595  Juncus patens Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond floodplain. Comment
  RSA0069375  Juncus patens Katie Gallagher, Nick Jensen 2014-4-26 214 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UCD32427  Juncus phaeocephalus var. paniculatus Beecher Crampton 1950-6-10 590 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. Comment
  JEPS111079  Juncus phaeocephalus var. phaeocephalus Lee Echols 2003-6-2 s.n. Contra Costa N of Lark Drive in SW portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  UC1819019  Juncus xiphioides Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14673 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; wetlands behind facilities at base of ''D'' road. Comment
  JEPS48303  Juniperus californica W. L. Jepson 1920-9-6 9084 a Contra Costa Mt. Diablo Comment
  JEPS48340  Juniperus californica W. L. Jepson 2642 Contra Costa head of Mitchell Creek Mt. Diablo (near saddle of divide); , head of Mitchell Creek Comment
  UC727702  Juniperus californica Milo S. Baker 1946-1-1 11255 Contra Costa ca halfway to summit Mt. Diablo (near roadside at parking place) Comment
  POM212437  Juniperus californica Joseph A. Ewan 1933-10-15 8038 Contra Costa SW slope of Mt Diablo. 1067 Comment
  JEPS11127  Keckiella corymbosa W. L. Jepson 1920-8-12 9073 Contra Costa very summit Mt. Diablo Comment
  UCD19084  Kochia scoparia subsp. scoparia Clyde Elmore 1983-7-20 s.n. Contra Costa Contra Costa County. Comment
  POM300737  Koeleria macrantha Mary L. Bowerman 1935-5-8 2974 a Contra Costa Knoll on spur south of Pioneer Camp. (20 feet higher than the upper edge of the chaparral) 762 Comment
  SEINET10607073  Koeleria macrantha Virginia E. Long 1933-6-14 Long 223 a Contra Costa Mt. Diablo. On top of grassy ridge between Curry Cave trail canyon & W. fork. 457 Comment
  CAS-BOT-BC273612  Koeleria pyramidata Mary L. Bowerman 1932-4-16 1354 Contra Costa Mount Diablo. Eagle Point ridge above Twin Peaks (1682 point) Comment
  CAS-BOT-BC273615  Koeleria pyramidata Mary L. Bowerman 1935-5-22 3036 Contra Costa Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks 304 Comment
  UC1050499  Kolkwitzia amabilis N. Floy Bracelin 1941-4-27 1227 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS99525  Lactuca saligna Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo. By hillside near Chase Pond. Comment
  UC2028100  Lactuca saligna Barbara Ertter, Chris Thayer 1996-10-25 15372 Contra Costa West side of Mount Diablo, North Gate Road 1 road mile NW of Burma Road, at west end of Long Ridge. Comment
  UCR66430  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa San Francisco Bay Region/Coast Range, near head of San Leandro Creek Canyon 244 Comment
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Jul 7 2009
  RSA40156  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  CAS-BOT-BC341473  Lagophylla ramosissima James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC341476  Lagophylla ramosissima Mary L. Bowerman 1930-6-5 262 Contra Costa Mount Diablo. North road 5.8 miles from North Gate 457 Comment
  UC1818925  Lagophylla ramosissima Barbara Ertter, Mary Bowerman 1995-6-11 14253 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, bank of Indian Creek above Indian Valley Pond, partial sun on Franciscan layer. 76 Comment
  CAS-BOT-BC341474  Lagophylla ramosissima John Thomas Howell 1925-11-1 1550 Contra Costa Hillside near Pinehurst, San Leandro Canyon Comment
  CDA42441  Lamium purpureum D. G. Kelch, Daniel Weinstein 2013-3-9 13 .018 Contra Costa Carquinez Strait; Crockett. Comment
  JEPS105733  Lastarriaea coriacea David Gowen 2004-5-1 56 Contra Costa Lime Ridge Open Space. Ridge trail in the north section of the park and south of the water tank. Comment
  JEPS10382  Lasthenia californica subsp. californica W. L. Jepson 1931-4-5 15718 Contra Costa adobe flat in hills about Nortonville 457 Comment
  CAS-BOT-BC324480  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  CAS-BOT-BC353333  Lasthenia fremontii Robert F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs. Comment
  CAS-BOT-BC353334  Lasthenia fremontii K. Curran April (Year not stated). s.n. Contra Costa Suisun. Comment
  CAS-BOT-BC353336  Lasthenia fremontii Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10587 Contra Costa Vernal flats 3.0 miles S of Byron. Comment
  JEPS18258  Lasthenia fremontii Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10587 Contra Costa 3 mi s of Byron Comment
  UC1314951  Lasthenia fremontii R. F. Hoover 1967-4-28 10512 Contra Costa Byron Hot Springs Comment
  UC1563908  Lasthenia fremontii Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8136 Contra Costa w and adjacent to Clifton Court Forebay (ca. 15 air mi sw of Stockton, se Contra Costa County) Comment
  UC762046  Lasthenia fremontii R. F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs Comment
  UC90074  Lasthenia fremontii E. L. Greene 1884-4-1 Contra Costa Byron Springs Comment
  RSA107033  Lasthenia fremontii L. S. Rose 1956-4-16 56016 Contra Costa 2 miles SE of Byron 8 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
  RSA517746  Lasthenia fremontii Donald G. Nelson 1937-3-30 470 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  POM301039  Lasthenia glaberrima Mary L. Bowerman 1935-6-21 3153 Contra Costa Mount Diablo: South of Turtle Rock, pool east of main pond Comment
  JEPS35405  Lasthenia glabrata subsp. glabrata W. L. Jepson 1925-4-26 10686 Contra Costa Black Hills Mt. Diablo, Black Hills Comment
  UC1618392  Lasthenia glabrata subsp. glabrata Barbara Ertter, Chris Thayer 1993-5-7 11705 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park 457 Comment
  UC1563907  Lasthenia gracilis Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8119 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca. 15 air mi sw of Stockton) 0 Comment
  SD5689  Lasthenia microglossa K. Curran May 1884 Contra Costa Antioch. Comment
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Mar 10 2008
  UC34480  Lasthenia microglossa Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  CDA27128  Lathyrus jepsonii subsp. californicus D. G. Kelch 2007-4-29 7 .204 Contra Costa Carquinez Strait; Richmond; Chevy s Hill N. Hilltop Dr. Comment
  CAS-BOT-BC205012  Lathyrus jepsonii var. jepsonii Alice Eastwood 1915-6-21 4729 Contra Costa San Leandro Comment
  CAS-BOT-BC205015  Lathyrus jepsonii var. jepsonii Walter Knight; Lawrence R. Heckard; Bert Johnson 1978-9-28 3301 Contra Costa Browns Island. South Landing Comment
  UC1795699  Lavatera assurgentiflora Barbara Ertter, Rich Rabeler 1994-6-6 12822 Contra Costa Point Isabel in south Richmond; acacia copse at edge of bay at south side of point. Comment
  UC650363  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa s Byron Comment
  CAS-BOT-BC323906  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa 1/4 mile S of Byron Comment
  POM53189  Layia chrysanthemoides C. F. Baker 1903-4-27 2903 Contra Costa Byron. Comment
  UC761861  Layia gaillardioides R. F. Hoover 1936-4-16 973 Contra Costa e slope of Bald Peak Comment
  CAS-BOT-BC321076  Layia glandulosa Joseph Andorfer Ewan 1935-3-10 9146 Contra Costa Along Sacramento River at Antioch Comment
  UC202677  Layia glandulosa unknown 1889-4-15 Contra Costa Comment
  UC468839  Layia glandulosa W. C. Blasdale 1893-5-13 Contra Costa Comment
  UCD133904  Layia glandulosa Annetta M. Carter 1933-4-23 300 Contra Costa above the San Joaquin River, between Antioch Bridge and Antioch. Comment
  CAS-BOT-BC327246  Layia hieracioides John Thomas Howell 1940-4-21 15405 Contra Costa Pine Canyon, Mt. Diablo Comment
  CAS-BOT-BC327244  Layia hieracioides K. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC370667  Layia platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch Comment
  JEPS89794  Layia platyglossa Dean William Taylor 1971-3-28 992 Contra Costa on Mount Diablo, Mount Diablo State Park Mount Diablo; Mount Diablo State Park, Mount Diablo 914 Comment
  SBBG28031  Layia platyglossa L. S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC691491  Layia platyglossa Mary L. Bowerman 1933-6-7 2261 Contra Costa North Peak Ridge Mount Diablo, North Peak Ridge 1021 Comment
  POM301051  Layia platyglossa Mary L. Bowerman 1935-4-26 2916 Contra Costa Ridge W of Indian Ceremonial Spring: Rocky ridge with S exposure 1006 Comment
  SEINET10759869  Layia platyglossa John T. Middleton 1936-4-18 Middleton 143 Contra Costa Deer Valley, Ca. Comment
  CDA31884  Leersia oryzoides D. G. Kelch 2007-11-13 7 .656 Contra Costa Carquinez Strait; Old brick factory 1.2 km SE of Port Costa. Comment
  CDA37946  Leersia oryzoides D. G. Kelch, Mike Perlmutter 2011-9-23 11 .754 Contra Costa Immediately north of Discovery Bay. Comment
  SACT001393  Leersia oryzoides Malcolm Nobs 1948-9-23 Contra Costa Growing in shallow water along slough bank, just coming to bloom. 7 miles south Kingston. Comment
  CDA9564  Lemna gibba D. G. Kelch 2007-6-17 7 .463 Contra Costa Carquinez Strait; Fernandez Ranch, Muir Land Trust. Franklin Canyon. 0 Comment
  UC692108  Lemna minor Mary L. Bowerman 1933-9-9 2427 Contra Costa n of Curry Canyon (Mount Diablo, Blackberry Spring); Mount Diablo, Blackberry Spring Comment
  UC2029071  Lemna valdiviana Barbara Ertter 2000-7-16 17413 Contra Costa Turtle Rock Ponds on east side of Pine Creek, west side of Mount Diablo. Comment
  CDA31190  Lepechinia calycina D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC691410  Lepechinia calycina Mary L. Bowerman 1938-5-28 3638 Contra Costa Mount Diablo North Road 5.4 miles from North Gate 457 Comment
  UC691411  Lepechinia calycina Mary L. Bowerman 1932-9-3 1532 Contra Costa Mount Diablo, Muir area: Burn (1931) Comment
  CAS-BOT-BC88680  Lepidium acutidens Lewis S. Rose 1956-3-19 56003 Contra Costa 2 miles southeast of Byron. 7 Comment
  CAS-BOT-BC88706  Lepidium acutidens Lewis S. Rose 1933-3-29 33041 Contra Costa Nortonville. Comment
  OBI60003  Lepidium acutidens Joseph Andorfer Ewan 1935-3-10 9136 Contra Costa Donovan rd Kicker Pass Comment
  UCD169966  Lepidium chalepense R. M. Case 2001-5-10 PDR-P 088777 Contra Costa On Solano Ave., Concord. Comment
  UC2029022  Lepidium coronopus Barbara Ertter 1999-7-17 16762 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  RSA788058  Lepidium dictyotum var. acutidens L. S. Rose 1949-3-24 49012 Contra Costa 4 mi south of Byren 8 Comment
  JEPS76804  Lepidium latifolium R. Ornduff and Douglas W. James Jr. 1978-6-18 Contra Costa s end Point Pinole Regional Park; San Francisco Bay Comment
  CAS-BOT-BC89717  Lepidium latifolium Walter Knight; Harry Reeves 1979-8-21 3411 Contra Costa East of reservoir. Contra Loma Regional Park, Antioch. 22 Comment
  UC2070649  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
  CAS-BOT-BC89765  Lepidium latipes John Thomas Howell 1933-3-29 10907 Contra Costa Nortonville Hills. Comment
  JEPS53652  Lepidium latipes W. L. Jepson 1931-4-5 15720 Contra Costa Nortonville 396 Comment
  CHSC21607  Lepidium nitidum Willis Ball 1975-2-23 446 Contra Costa Contra Loma Regional Park. In area #2. Ca. 160 yds w of main parking lot. 30 Comment
  SD131818  Lepidium nitidum Barbara Ertter, Jokerst and Magney 1989-4-5 8123 Contra Costa Alkali sink west and adjacent to Clifton Court Forebay, ca. 15 air miles southwest of Stockton Comment
  UC480595  Lepidium nitidum Carl Meyer 1928-2-22 292 Contra Costa Mt. Diablo Comment
  JEPS111855  Lepidium nitidum var. nitidum D. G. Kelch 2003-2-7 03 .37 Contra Costa Franklin Canyon 115 Comment
  UC1563655  Lepidium nitidum var. oreganum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8123 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.); se Contra Costa Co. Comment
  POM204090  Lepidium oxycarpum L. S. Rose 1933-3-29 33041 Contra Costa Nortonville. Comment
  CAS-BOT-BC273931  Leptochloa fusca subsp. fascicularis John Thomas Howell; Gordon H. True 1972-6-29 48944 Contra Costa Along Byron Hot Springs Road where water has stood, southeast of Byron Comment
  UC2027726  Leptosiphon bicolor Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15506 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  JEPS100183  Lessingia glandulifera var. glandulifera David Gowen 2004-5-11 58 Contra Costa Lime Ridge Open Space; Ridge trail in the N section of the park and S of the water tank Comment
  UCD134062  Lessingia glandulifera var. glandulifera Ann F. Johnson 1978-5-26 AN- 21 Contra Costa San Joaquin River in front of east PG and E tower, Antioch Dunes. Comment
  UCD134065  Lessingia glandulifera var. glandulifera Peter Rubtzoff 1954-9-14 1751 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  RSA107412  Lessingia pectinata var. tenuipes L. S. Rose 1955-10-17 55185 Contra Costa Antioch 15 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
  POM365328  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Pt. Richmond on San Francisco Bay Comment
  CAS-BOT-BC283733  Leymus condensatus W. A. Silveus 1938-7-5 3215 Contra Costa El Cerrito Comment
  CAS-BOT-BC272216  Leymus triticoides Walter Knight 1978-8-27 3188 Contra Costa Contra Loma Regional Park 30 Comment
  UC53466  Leymus triticoides Jos. Burtt Davy 1900-6-7 6658 Contra Costa near Pacheco Comment
  UCD87590  Leymus triticoides P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC272213  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Inner Black Hills west of the meridian, Mount Diablo Comment
  CAS-BOT-BC272214  Leymus triticoides R. E. Frenkel 1964-9-19 848 Contra Costa On Morgan Territore Road, 0.2 mile south of summit 637 Comment
  UC2029157  Leymus triticoides Barbara Ertter 2000-7-29 17448 a Contra Costa Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. Comment
  UC692006  Lilium pardalinum Mary L. Bowerman 1935-6-21 3144 Contra Costa e fork Arroyo del Cerro; Mount Diablo 289 Comment
  UC692007  Lilium pardalinum Mary L. Bowerman 1935-6-21 3144 Contra Costa e fork Arroyo del Cerro; Mount Diablo 289 Comment
  UC971814  Limnanthes douglasii subsp. rosea Annetta Carter 1941-4-27 1635 Contra Costa 3 mi se Byron Comment
  UC1795775  Limonium sinuatum Barbara Ertter, Brad Olson 1994-5-7 12767 Contra Costa Western Drive to Point Molate north west of Richmond-San Rafael bridge toll plaza, roadside near entrance to Point Molate Naval site Comment
  JEPS58158  Linanthus androsaceus W. L. Jepson 1891-1 20906 Contra Costa Fish Ranch Berkeley Hills 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
  UC691641  Linanthus ciliatus Mary L. Bowerman 1935-5-22 3042 Contra Costa Eagle Point ridge Mount Diablo (canyon at the n end which heads into saddle w of Twin Peaks) 304 Comment
  UC75206  Linanthus liniflorus C. F. Baker 1903-4-27 2864 Contra Costa Byron 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
  UC964003  Linanthus pygmaeus subsp. continentalis R. F. Hoover 1939-4-13 4020 Contra Costa w branch Head of Markley Canyon Comment
  UC1050873  Linaria maroccana N. Floy Bracelin 1941-5-11 1302 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC2062459  Linum bienne Barbara Ertter 2002-5-16 17852 Contra Costa Richmond Field Station (UC-Berkeley) at end of Lark Lane. Comment
  JEPS112262  Lithophragma affine A. G. Murdock 2004-4-30 265 Contra Costa Vaca Canyon Comment
  HSC20215  Lithophragma affine Greg Bos 1963-3-9 36 Contra Costa Albany Hill 9 Comment
  SEINET5557311  Lithophragma affine H. S. Gentry 1931-1 47 Contra Costa Collected near Buckle Point Mt. Diablo. Comment
  CDA945  Lithophragma heterophyllum D. G. Kelch 2006-5-4 6 .124 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  JEPS75510  Lithophragma heterophyllum P. F. Yorks 1974-3-22 117 Contra Costa N of Briones Reservoir (ca. 1.8 km S of Bear Creek Road on Hampton Road); Hampton Road Natural Reserve Comment
  POM142563  Lithophragma heterophyllum C. F. Baker 1903-4-28 2811 Contra Costa Mitchell s Canyon, Mt. Diablo. Comment
  CAS-BOT-BC342121  Logfia filaginoides Alice Eastwood 1923-5-4 11724 Contra Costa Mt Diablo Comment
  CDA15269  Lolium multiflorum G. F. Hrusa, D. Crowe 1998-5-8 14400 Contra Costa Sacramento Delta; Moist, areas within disturbed grasslands at E end of Dow Chemical property. Rare form with branched inflorescence. Perennial? Comment
  CAS-BOT-BC283395  Lolium multiflorum Mary L. Bowerman 1933-5-25 2199 Contra Costa Mount Diablo. Alamo Canyon: E-facing slope above Wilson's barn Comment
  SEINET2080859  Lolium multiflorum D. Walter 1985-4-29 10183 Contra Costa Dougherty Road 4 miles N of Old Ranch Road (N of Dublin, E of San Ramon). 121 Comment
  CAS-BOT-BC269060  Lolium perenne J. W. Congdon 1889-6-19 s.n. Contra Costa Byron Springs Comment
  UC606746  Lolium perenne Edward Lee 1936-4-19 1973 Contra Costa Red Rock , se shore Red Rock (San Francisco Bay) Comment
  UC659027  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1163 Contra Costa 3 mi. s. Byron Comment
  UCD150873  Lomatium caruifolium var. caruifolium P. B. Kennedy 1914-3-15 4625 Contra Costa Sunset Cemetery. Comment
  UC691429  Lomatium macrocarpum Mary L. Bowerman 1933-4-26 1906 Contra Costa e.-s.e. of the peak North Peak ridge (Mt. Diablo); Mt. Diablo 579 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
  POM132672  Lomatium nudicaule A. D. E. Elmer 1903-05 4322 Contra Costa Mount Diablo Comment
  UCD102387  Lomatium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 920 Comment
  SEINET7879187 Image available Lomatium utriculatum C. M. Belshaw 1936-1 2105 Contra Costa Tassajera Rd, 1 miles S. of summit Sec. 16 T. 1 S. R. 1E. Comment
  JEPS12841  Lonicera hispidula var. vacillans W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mt. Diablo Comment
  UC650409  Lonicera involucrata var. ledebourii Ira L. Wiggins 1930-4-18 4594 Contra Costa levee on e end Jersey Island Comment
  UC1051193  Lonicera thibetica N. Floy Bracelin 1944-6-11 2727 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051339  Lophospermum erubescens N. Floy Bracelin 1941-6-15 1389 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS55420  Lotus crassifolius var. crassifolius Milo S. Baker 1904-6-24 Contra Costa Summit of Mt. Diablo Comment
  UC692530  Lotus humistratus Mary L. Bowerman 1933-5-2 1940 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  UC692531  Lotus humistratus Mary L. Bowerman 1931-5-7 802 Contra Costa North Peak Ridge Mount Diablo Comment
  UC1795732  Lotus scoparius var. scoparius Barbara Ertter, Brad Olson 1994-5-7 12761 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  JEPS55877  Lotus strigosus Chesnut and Drew 1890-4-18 Contra Costa Antioch Comment
  JEPS108217  Lotus strigosus David Gowen 2005-4-27 270 Contra Costa Lime Ridge Open Space. In the southern section of the park on the east side of hill 724. Growing in sandy bare area along chaparral. Comment
  JEPS108357  Lotus strigosus David Gowen, Abby Moore, Mike Park 2005-4-10 226 Contra Costa Lime Ridge Open Space. Growing on sandy trail in NE area of park. Comment
  JEPS116857  Lotus strigosus David Gowen 2007-4-13 673 Contra Costa On dirt road junction (Ridge Trail) between Castle Rock Recreation Area and Borges Ranch. Comment
  JEPS55837  Lotus wrangelianus W. L. Jepson May 22 1891-May 23 1891 13796 Contra Costa Mt. Diablo Comment
  UC1555365  Lotus wrangelianus Jerry Powell 1988-4-8 1531 Contra Costa Point Molate, in w Richmond Richmond Comment
  UC692263  Lotus wrangelianus Mary L. Bowerman 1933-5-9 2045 Contra Costa Stage Road Mount Diablo 853 Comment
  UC692266  Lotus wrangelianus Mary L. Bowerman 1932-4-27 1393 Contra Costa canyon w of Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  UC692325  Lotus wrangelianus Mary L. Bowerman 1933-5-25 2189 Contra Costa w end of s face Osyter Ridge; Mount Diablo 396 Comment
  JEPS111572  Ludwigia peploides D. G. Kelch 2004-7-9 04 .299 Contra Costa Port Costa - Reservoir. Port Costa pond 28 Comment
  UC1970563  Lupinus Donald G. Nelson 1937-4-24 516 Contra Costa in rolling hill country north of Byron; Marsh Creek Road Comment
  JEPS64909  Lupinus albifrons W. L. Jepson 1931-4-5 15724 Contra Costa Oakley part of Antioch sand-dune formation, Oakley 18 Comment
  UC1713207  Lupinus albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch Comment
  UC2042499  Lupinus albifrons Barbara Kelly 2011-4-18 Contra Costa Tilden Regional Park, along Lomas Cantadas Rd., on a steep, rocky slope above the road. Comment
  UC400154  Lupinus albifrons Ynes Mexia 1929-4-21 2378 Contra Costa Moraga Valley Comment
  LA205021  Lupinus albifrons J. A. Ewan; 1934-3-10 8645 Contra Costa Wildcat Canyon, 2 mi below Orinda Rd bridge, Comment
  CAS-BOT-BC201375  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC201372  Lupinus albifrons var. albifrons Paul F. Covel 1938-6-26 s.n. Contra Costa Las Trampas Canyon - behind St. Mary's Comment
  UC1818990  Lupinus arboreus Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14670 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay, edge of coastal bluff on south side of Point Molate. Comment
  JEPS112402  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2005-4-24 05 .166 Contra Costa Franklin Canyon; County: Contra Costa; Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon. Comment
  UC33589  Lupinus bicolor J. P. Tracy 1900-3-24 624 Contra Costa Point Richmond San Francisco Bay, Point Richmond (Dry Hill) 15 Comment
  UC692567  Lupinus bicolor Mary L. Bowerman 1931-4-4 671 Contra Costa West Road just w Turtle Rock, Mount Diablo (= North Road, Mount Diablo); Mount Diablo, just w of Turtle Rock Comment
  UC73195  Lupinus bicolor Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC762917  Lupinus bicolor R. F. Hoover 1935-3-10 306 Contra Costa Antioch 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
  UCD107314  Lupinus bicolor Helen K. Sharsmith 1963-4-7 5292 Contra Costa near Oakley south of Antioch. 15 Comment
  SEINET10485223  Lupinus densiflorus Frenkel 1964-4-18 FRENKEL 424 Contra Costa 2.1 mi. E of danville on tassajara rd. 130 Comment
  CDA27486  Lupinus microcarpus var. densiflorus A. G. Murdock, D. G. Kelch 2003-6-2 88 Contra Costa Carquinez Strait Region; Crockett - Eckley. East of pier at base of cliff. Comment
  UC692275  Lupinus microcarpus var. densiflorus Mary L. Bowerman 1931-4-18 735 Contra Costa Green Valley Mount Diablo (Mount Diablo); , Green Valley Comment
  JEPS100117  Lupinus microcarpus var. microcarpus G. Smick 2003-5-30 GAS 198 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC201008  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-16 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201010  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201011  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6 Contra Costa Richmond Annex Comment
  UC201022  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-19 Contra Costa Richmond Annex; El Dorado St. Comment
  UC692572  Lupinus microcarpus var. microcarpus Mary L. Bowerman 1931-4-4 657 Contra Costa North Road 4.5 mi from North Gate Mount Diablo (bank above road); Mount Diablo Comment
  UC15974  Lupinus pachylobus W. H. Brewer 1862-5-12 1074 Contra Costa Monte Diablo Comment
  UC2027717  Lupinus pachylobus Barbara Ertter with Stu Garrett 1997-3-29 15522 a Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  CHSC75089  Lupinus polycarpus Roger Thomas 1987-4-21 5 Contra Costa 3300 block of Johnson Rd. Lafayette. 152 Comment
  RSA121635  Lupinus subvexus var. subvexus C. M. Belshaw 1936-5-11 2098 Contra Costa 5 1/3 miles east of Danville. 290 Comment
  CHSC21642  Lupinus succulentus Willis Ball 1975-3-2 464 Contra Costa Contra Loma Regional Park. In area #4. At edge of beach on e side of lake ca. 50 yds s of dam. 33 Comment
  UC1555370  Lupinus succulentus Jerry Powell 1988-4-1 1529 Contra Costa Point Molate Point Molate, West Richmond; West Richmond, Point Molate Comment
  UC692272  Lupinus succulentus Mary L. Bowerman 1931-3-21 588 Contra Costa Sycamore Canyon Sycamore Canyon, Mount Diablo (Mount Diablo); , Sycamore Canyon 335 Comment
  UC2062431  Luzula macrantha Barbara Ertter with David Gowen 2013-4-9 21309 Contra Costa Mount Diablo State Park southeast of Walnut Creek, Sulfur Spring/Devils Slide Trail southeast of Curry Point. Comment
  CDA20732  Lycium chinense J. Deviney 2006-7-5 PDR 1374005 Contra Costa Viano Vineyards, 150 Morello Ave., Martinez. Comment
  CDA33071  Lycopus americanus D. G. Kelch 2010-10-5 10 .425 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  JEPS107094  Lycopus americanus Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10876 Contra Costa Dow Wetlands Preserve, just w. Antioch marina, e. end of marsh across from marina Comment
  JEPS78624  Lythrum californicum Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3281 Contra Costa Browns Island, Botany Cove Browns Island; , Botany Cove Comment
  POM300654  Lythrum californicum Mary L. Bowerman 1932-12-5 1681 Contra Costa Willow Spring (near W road, N of Blvd Spring. Comment
  CDA29701  Lythrum hyssopifolia D. G. Kelch, D. A. Weinstein 2009-7-15 9 .495 Contra Costa Carquinez Strait; Point Pinole. Comment
  CDA5134  Lythrum hyssopifolia D. G. Kelch, A. G. Murdock 2005-5-5 5 .213 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  JEPS112520  Lythrum hyssopifolia D. G. Kelch 2003-6-22 03 .90 Contra Costa Rodeo - Lone Tree Point 2 Comment
  RSA0015854  Lythrum hyssopifolia Mary L. Bowerman 1932-8-27 1522 Contra Costa Spring south of Turtle Rock. Comment
  UCR263783  Lythrum tribracteatum Barbara Ertter, Brad Olson 1991-9-28 10834 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UCD102388  Madia elegans Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 1000 Comment
  JEPS99498  Madia elegans Mary Bowerman 1979-5-12 Contra Costa Mount Diablo. North Peak trail between Devil's Pulpit & Prospectors Gap. Comment
  UC2029031  Madia elegans Barbara Ertter 2002-8-24 18041 Contra Costa lower Perkins Canyon on NE base of Mount Diablo. Comment
  UC697171  Madia exigua Mary L. Bowerman 1931-5-19 867 Contra Costa Donner Canyon trail Mount Diablo 274 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
  JEPS111538  Madia gracilis D. G. Kelch 2005-5-6 05 .222 Contra Costa Franklin Canyon East of Christie Road. South of Route 4 127 Comment
  UC691768  Madia gracilis Mary L. Bowerman 1931-5-21 889 Contra Costa Curry-Cave Point trail Comment
  UC1795769  Madia gracilis Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14677 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area. Comment
  SD8609  Madia radiata Katherine Curran May 1883 Contra Costa Antioch Comment
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Jan 9 2007
  RSA0008526  Madia radiata A. A. Heller 1938-4-9 s.n. Contra Costa 3 miles southwest of Antioch Comment
  UC1861832  Madia sativa Barbara Ertter with Richard Rabeler 1994-6-18 12838 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; northeast corner of park, near jct. Marsh Trail and Cook's Point Trail. Comment
  UC2027972  Madia sativa Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15664 Contra Costa Point Richmond, crest of road. Comment
  UC1050874  Magnolia liliiflora N. Floy Bracelin 1942-2-22 1301 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
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Sep 11 2020
  UC2028014  Malacothamnus fasciculatus Barbara Ertter 1997-9-14 15821 Contra Costa Southwest side of Mount Diablo, Wall Point Road at head of Emmons Canyon. Comment
  UC2028109  Malacothamnus fasciculatus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16114 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, on north end of Ohlone Trail. Comment
  CAS-BOT-BC206328  Malacothamnus fremontii Joanne Taylor 1941-7-18 20 Contra Costa By hills of Nortonville. 243 Comment
  CAS-BOT-BC206329  Malacothamnus fremontii Walter Knight; Irja Knight 1967-4-2 s.n. Contra Costa Nortonville. Comment
  UC697144  Malacothamnus fremontii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running west from Twin Peaks Mount Diablo 335 Comment
  POM301021  Malacothamnus hallii Mary L. Bowerman 1933-6-3 2223 Contra Costa 2 miles by road from North Gate Comment
  CAS-BOT-BC204093  Malacothamnus hallii Mary L. Bowerman 1938-11-12 3732 Contra Costa Mount Diablo. Lime Ridge, on crest of ridge south of 1004 289 Comment
  CAS-BOT-BC345270  Malacothrix californica Kellogg No date on label s.n. Contra Costa Antioch Comment
  UC691447  Malacothrix floccifera Mary L. Bowerman 1933-4-25 1908 Contra Costa ridge ese North Peak; Mount Diablo Comment
  UC692622  Malva nicaeensis Mary L. Bowerman 1938-5-25 3631 Contra Costa Mount Diablo, North Road at Arroyo del Cerro (place where bank joins first bottom 7 ft from stream) Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 1097 Comment
  CDA39046  Malva parviflora D. G. Kelch 2011-6-5 11 .575 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  JEPS111542  Malva pseudolavatera D. G. Kelch 2003-3-28 03 .83 Contra Costa Rodeo - Lone Tree Point 2 Comment
  RSA0042211  Malvella leprosa D. G. Kelch 2006-7-14 06 .332 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. 24 Comment
  OBI12334  Malvella leprosa Robert F. Hoover 1966-8-31 9944 Contra Costa 1.5 mi E of Danville on Tassajara rd Comment
  UC2027740  Malvella leprosa Barbara Ertter 1997-1-5 15443 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  CHSC21640  Marah fabacea Willis Ball 1975-3-2 466 Contra Costa In area #4. On hill top ca. 50 yds e of large willow trees at ne end of lake. Contra Loma Regional Park. 53 Comment
  JEPS111874  Marah fabacea D. G. Kelch 2003-3-21 03 .40 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  SEINET8551076  Marah fabacea R. R. Halse 1988-2-20 3540 Contra Costa Along Marsh Creek Road, in the Dark Canyon area, 4 miles W of its junction with Deer Valley Road, near 13980 Marsh Creek Road, Clayton.. 156 Comment
  CHSC46895  Marah oregana R. A. Schlising 1964-6-5 2715 Contra Costa Oakland Hills, along Grizzly Peak Blvd. Comment
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Jun 3 2014
  CAS-BOT-BC348048  Matricaria discoidea R. E. Frenkel 1963-5-27 208 Contra Costa On Morgan Territory Road, 0.2 mile south of summit 637 Comment
  CAS-BOT-BC348049  Matricaria discoidea Mary L. Bowerman 1931-4-4 653 Contra Costa Mount Diablo. North Road 4.5 miles from North Gate Comment
  CAS-BOT-BC348050  Matricaria discoidea Katharine Brandegee No date on label s.n. Contra Costa Byron Spring Comment
  CDA29088  Medicago arabica D. G. Kelch 2006-5-7 6 .15 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC1606303  Medicago arabica Barbara Ertter, Chris Thayer 1993-5-7 11699 Contra Costa on Wildcat Canyon Rd. 1/2 mi e Inspiration Point (e of Tilden Park); East Bay Municipal Utilities District land, Hopkins Spring 304 Comment
  UC692279  Medicago polymorpha Mary L. Bowerman 1931-4-11 703 Contra Costa Pine Canyon Mount Diablo (level grassy area toward mouth) Comment
  JEPS127048  Medicago polymorpha var. polymorpha Lowell Ahart, Josephine Guardino 2016-4-19 20762 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  UCD86382  Melica bulbosa M. Wiesendanger 1926-6-1 1530 Contra Costa Mt. Diablo. Comment
  POM300624  Melica californica Mary L. Bowerman 1935-5-25 3070 Contra Costa Meridian Peak south of the summit (east of the hairpin turn on road). Mount Diablo. 1067 Comment
  UC1132245  Melica californica C. M. Belshaw 1936-5-8 2051 Contra Costa 1.75 mi sse Mt. Diablo summit; Mt. Diablo Quad. 609 Comment
  CAS-BOT-BC271217  Melica californica Niall McCarten; V. I. Dains 1986-6-1 03251142 Contra Costa W. of Camino Diablo and Kellogg Creek Comment
  CAS-BOT-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
  UCD87871  Melica imperfecta P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC281433  Melica imperfecta Mary L. Bowerman 1931-4-18 714 Contra Costa Mount Diablo. Sycamore Canyon: moist bank where the chaparral does not extend down to the trail 335 Comment
  POM257058  Melica imperfecta var. refracta Virginia Long 1933-6-14 221 a Contra Costa Mt. Diablo. On slope SE-E along first west fork from Curry Creek Trail. Comment
  CDA32524  Melica torreyana D. G. Kelch, Andrew Murdock 2003-3-21 3 .055 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  SEINET3449596  Melica torreyana Dean G. Kelch, Andrew G. Murdock 2003-3-21 DGK 3 .055 Contra Costa Martinez West, Martinez West, Ozol Rock and Scenic Drive 40 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
  UC1950128  Melica torreyana Barbara Ertter with John Little 1989-4-2 8111 Contra Costa Hillside Park in El Cerrito, on steep W-facing slope Comment
  UC651294  Melilotus indicus Ira L. Wiggins 1930-4-18 4599 Contra Costa Jersey Island Comment
  OBI72118  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass 366 Comment
  UC1949288  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass Comment
  UC19612  Mentzelia micrantha Edw. L. Greene 1892-6-24 Contra Costa Mt. Diaiblo Comment
  UC1795721  Mentzelia micrantha Barbara Ertter, Mary L. Bowerman 1994-6-19 12848 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, roadside. Comment
  CDA31454  Micropus californicus D. G. Kelch 2006-5-2 6 .21 Contra Costa Carquinez Strait; Fernandez Ranch; W. Christie Rd. Comment
  JEPS40629  Micropus californicus var. californicus W. L. Jepson 1923-4-22 9877 Contra Costa Mt. Diablo Comment
  JEPS40631  Micropus californicus var. californicus W. L. Jepson 1922-5-23 9664 Contra Costa Mt. Diablo Comment
  UC691827  Micropus californicus var. californicus Mary L. Bowerman 1932-4-16 1335 Contra Costa near w branch Donner Canyon; Mount Diablo Comment
  UC88386  Micropus californicus var. californicus T. S. Brandegee May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC348364  Micropus californicus var. californicus Paul F. Covel 1939-5-1 s.n. Contra Costa Somersville, east of Clayton Comment
  CAS-BOT-BC348366  Micropus californicus var. californicus Brandegee No date on label s.n. Contra Costa Antioch Comment
  RSA0069379  Micropus californicus var. californicus Katie Gallagher, Nick Jensen 2014-4-26 210 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  JEPS18257  Microseris campestris Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10581 Contra Costa vernal flats 3.0 mi s Byron Comment
  UC1795751  Microseris douglasii Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14585 Contra Costa Crest of Marsh Creek Road on north side of Mt. Diablo southeast of Clayton, south-facing roadcut opposite entrance to Three Springs Trail; annual grasses and Lotus. 274 Comment
  UC2027921  Microseris douglasii Barbara Ertter with Dan Norris 2001-4-8 17583 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  CAS-BOT-BC348891  Microseris douglasii subsp. douglasii Alice Eastwood 1921-4-18 10252 Contra Costa Antioch Comment
  UC71937  Microseris douglasii subsp. douglasii J. Burtt Davy 1895-4-7 966 Contra Costa Antioch Comment
  UC92107  Microseris douglasii subsp. douglasii M. K. Curran 1886-1 Contra Costa Antioch Comment
  CAS-BOT-BC348888  Microseris douglasii subsp. douglasii Ira L. Wiggins 1930-4-17 4560 Contra Costa 1 mi. E. of Mountain House, on road to Byron Comment
  CAS-BOT-BC349093  Microseris douglasii subsp. tenella Mary L. Bowerman 1933-4-15 1847 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  UC768670  Microseris douglasii subsp. tenella Robert F. Hoover 1939-4-25 4062 Contra Costa Richmond Hills Comment
  CAS-BOT-BC349094  Microseris douglasii subsp. tenella Ira L. Wiggins 1930-4-17 4560 A Contra Costa 1 mi. E. of Mountain House, on road to Byron Comment
  CAS-BOT-BC349168  Microseris elegans Alice Eastwood 1914-3-14 3800 Contra Costa Byron Springs Comment
  CAS-BOT-BC349169  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Springs Comment
  CAS-BOT-BC322766  Microseris sylvatica Alice Eastwood; John Thomas Howell 1936-4-19 2136 Contra Costa Nortonvile Comment
  UC691443  Microseris sylvatica Mary L. Bowerman 1935-5-22 3053 Contra Costa canyon at n end Eagle Point ridge (which heads into saddle w of Twin Peaks, near head of canyon); Mount Diablo Comment
  UC26958  Mimulus arvensis Jos. Burtt Davy 1901-4-21 6929 Contra Costa Wildcat Canyon Comment
  JEPS78823  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2165 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  UC943784  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1945-2-27 5455 Contra Costa along road near base Mt. Diablo Comment
  RSA550837  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-3 1107 Contra Costa SW base of Mt. Diablo, E of Danville. 2.6 mi NE of Blackhawk and diablo rads along Mt. Diablo Scenic Boulvard and South Gate Road 378 Comment
  UC2027951  Mimulus cardinalis Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17515 Contra Costa South side Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing. Comment
  UC27034  Mimulus latidens W. H. Brewer 1862-5-26 1161 Contra Costa near Mt. Diablo; ; near Mt. Diablo Comment
  JEPS116944  Mimulus latidens David Gowen 2008-4-16 862 Contra Costa Just south of parking area for Black Diamond Mines Regional Preserve on Frederickson Road. Comment
  UC26995  Mimulus nasutus J. Burtt Davy 1893-5-13 214 Contra Costa Claremont Canyon to Fish Ranch fide fieldbook Comment
  SJSU2617  Minuartia douglasii W. E. Ferguson 1942-4-25 Contra Costa E base of Mt Diablo 304 Comment
  UC2027714  Minuartia douglasii Barbara Ertter with Stu Garrett 1997-3-29 15525 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  UC692304  Moehringia macrophylla Mary L. Bowerman 1931-5-16 861 Contra Costa on n side Mount Diablo summit; Mount Diablo summit on n side Comment
  CAS-BOT-BC221677  Monardella douglasii A. D. E. Elmer 1903-7-1 4544 Contra Costa Mount Diablo Comment
  UC691408  Monardella douglasii Mary L. Bowerman 1935-6-1 3116 Contra Costa Diablo Trail Mount Diablo, Meridian Peak 1082 Comment
  JEPS51850  Monardella douglasii Mary L. Bowerman 1933-6-21 2327 Contra Costa Donner Canyon: slightly south of Bilharan Lodge; Mount Diablo Comment
  JEPS112466  Monardella villosa subsp. villosa A. G. Murdock 2004-5-28 291 Contra Costa Pinole Peak 405 Comment
  JEPS99497  Monolopia gracilens Mary Bowerman 1979-5-2 Contra Costa Mount Diablo, Old Mines Trail, Back Canyon. Comment
  UC697150  Monolopia gracilens Mary L. Bowerman 1933-5-9 2057 Contra Costa Muir area Mount Diablo (sw slope e of the rocks) Comment
  CAS-BOT-BC349617  Monolopia major James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC50097  Monolopia major H. P. Chandler 1900-3-23 582 Contra Costa Briones Valley Mount Diablo Region Comment
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Feb 9 2019
  UC629756  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa 2 mi w Byron 45 Comment
  UC697148  Monolopia major Mary L. Bowerman 1933-5-25 2196 Contra Costa e of saddle Osyter Ridge; Mount Diablo 396 Comment
  POM181484  Monolopia major I. L. Wiggins 1930-4-17 4584 Contra Costa 1/4 mi. S. of Byron. Comment
  RSA666388  Montia fontana Barbara Ertter 1993-4-17 11511 Contra Costa Morgan Territory 10 air miles N of Livermore, in lee of Mt. Diablo. Shallow side at edge of sandstone outcrop S of Hummingbird trail. 610 Comment
  POM300988  Montia fontana subsp. variabilis Mary L. Bowerman 1939-3-31 3736 Contra Costa Spring in bend of road to Barbecue Terrace ( off S road). Comment
  CAS-BOT-BC445038  Montia linearis John Thomas Howell 1933-5-14 11226 Contra Costa St. Mary's College Comment
  UC1198226  Muilla maritima J. P. Tracy 1900-3-24 607 Contra Costa near Point Richmond; Region about San Francisco Bay 3 Comment
  UC1731501  Myosurus minimus Dean W. Taylor 1992-4-16 12391 Contra Costa s of Bryon Hot Springs (San Joaquin Valley); San Joaquin Valley 45 Comment
  UC1738083  Myosurus minimus D. E. Stone 1957-2-28 14268 A12 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738113  Myosurus minimus D. E. Stone 1957-3-15 14 -20 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  POM181444  Myosurus minimus I. L. Wiggins 1930-4-7 4580 Contra Costa 1/4 mile S of Byron Comment
  UCD96307  Myosurus minimus H. L. Mason 1952-4-14 14263 Contra Costa 3.5 miles south of Byron. Comment
  UC1101329  Myosurus sessilis Herbert L. Mason 1952-4-26 14272 Contra Costa 3.5 mi s of Byron Comment
  UC1101331  Myosurus sessilis Herbert L. Mason 1952-4-26 14269 Contra Costa 3.5 mi s of Byron Comment
  UC1101359  Myosurus sessilis Herbert L. Mason 1952-3-13 14200 Contra Costa 3.3 mi s Bryon Comment
  UCD96288  Myosurus sessilis H. L. Mason 1952-4-26 14269 Contra Costa 3.5 miles south 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
  UC1777714  Myriophyllum sibiricum M. R. Bell 1950-10-9 Contra Costa near Concord (from stock pond on farm of E. J. Mangini) Comment
  RSA755539  Najas guadalupensis Barbara Ertter, Brad Olson 1991-9-28 10838 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC2028567  Narcissus pseudonarcissus Barbara Ertter 1997-2-11 15451 Contra Costa North side of Mount Diablo, Donner Cabin site on Donner Canyon Road. Comment
  CAS-BOT-BC259902  Nassella lepida Mary L. Bowerman 1938-6-30 3701 Contra Costa Mount Diablo. Blue Oak Flat 822 Comment
  RSA217245  Nassella lepida D. E. Breedlove 1970-4-18 17437 Contra Costa At the north edge of Lafayette above Laurel Drive 244 Comment
  UC692413  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa canyon w Riggs Canyon (w exposure, s face of mt); Mount Diablo, Oyster Ridge 335 Comment
  CAS-BOT-BC259905  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa Mount Diablo. Oyster Ridge, canyon W of Riggs Canyon 335 Comment
  CAS-BOT-BC260128  Nassella pulchra Mary L. Bowerman 1935-4-26 2902 Contra Costa Mount Diablo. W of Indian Ceremonial Spring 1021 Comment
  UC60251  Nassella pulchra Jos. Burtt Davy 1899-4-19 7864 Contra Costa Las Trampas Peak Comment
  UCD36922  Nassella pulchra Beecher Crampton 1956-5-14 3403 Contra Costa Southeastern Mount Diablo, headwaters of Marsh Creek. 640 Comment
  UCD87436  Nassella pulchra A. A. Beetle 1941-3-29 1718 Contra Costa Orinda. Comment
  CAS-BOT-BC260129  Nassella pulchra Mary L. Bowerman 1933-5-11 2085 Contra Costa Mount Diablo. Inner Black Hills, W of saddle Comment
  CAS-BOT-BC60355  Nasturtium officinale D. E. Breedlove 1969-10-18 16722 Contra Costa Along Alhambra Valley Road near junction with Bear Creek Road, southeast of Pinole. Comment
  JEPS103663  Navarretia hamata subsp. parviloba David Gowen 2003-6-14 Contra Costa Lime Ridge Open Space, on fire road below transmission tower 274 Comment
  SEINET3163766  Navarretia mellita J. T. Howell 1938-6-30 13938 Contra Costa head of Siesta Valley Comment
  SEINET11268198  Navarretia mellita Barbara Ertter 1999-6-12 16720 Contra Costa Knobcone Point Road on south side of Mount Diablo, head of NE fork of Sycamore Creek.; 0 488 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
  UC908171  Navarretia mellita Herbert L. Mason 1945-6-12 12588 Contra Costa se of Mount Diablo (near summit of road up Marsh Creek) Comment
  JEPS116946  Navarretia nigelliformis subsp. radians David Gowen 2008-4-16 860 Contra Costa West end of Horse Valley. Banks of drainage south of #857. Comment
  JEPS116940  Navarretia nigelliformis subsp. radians David Gowen 2008-4-21 867 Contra Costa South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve. Comment
  CAS-BOT-BC233595  Navarretia pubescens Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC1124139  Navarretia pubescens C. M. Belshaw 1936-5-13 2115 Contra Costa 3.7 mi ene Tassajero; Mt. Diablo Quad. 670 Comment
  UCD32434  Navarretia pubescens Beecher Crampton 1950-7-2 599 Contra Costa Contra Costa County, north base of Mt. Diablo, Mitchell Creek Canyon, south side but northen exposure. 259 Comment
  UC106831  Navarretia viscidula K. Brandegee Contra Costa Antioch Comment
  CDA29222  Nemophila heterophylla D. G. Kelch 2006-5-7 6 .152 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS111834  Nemophila heterophylla A. G. Murdock 2004-4-30 258 Contra Costa Vaca Canyon 165 Comment
  SJSU6099  Nemophila heterophylla C. O. Dudley 1966-3-30 Contra Costa Briones Hills 10 mi SW of Martinez Comment
  UC1021937  Nemophila heterophylla Rolf Y. Berg 1955-4-3 Contra Costa Laurel Dell Camp Mt. Diablo State Park; , Laurel Dell Camp Comment
  UC146146  Nemophila heterophylla Joseph P. Tracy 1903-4-18 1797 Contra Costa e slope of Bald Peak San Francisco Bay Region, , Bald Peak (Berkeley Hills) 304 Comment
  POM249049  Nemophila heterophylla Lincoln Constance, J. H. Morrison 1938-5-5 2190 Contra Costa Above Deer Flat near head of Mitchell Canyon, NW slope of Mt Diablo. 671 Comment
  SEINET4080336  Nemophila heterophylla M. W. Garcia 1960-1 60070 Contra Costa Near drinking fountain on Mount Diablo. Lower Terrace Camp. 609 Comment
  UC67147  Nemophila menziesii Harley P. Chandler 1900-3-23 595 Contra Costa Briones Hills San Francisco Bay Region, Briones Hills Comment
  UCSB7545  Nemophila menziesii Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Saddle between North and South Peaks of Mount Diablo 883 Comment
  JEPS111846  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .84 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  RSA421347  Nemophila menziesii var. menziesii Mark Morris 1929-2-22 s.n. Contra Costa Mt. Diablo. Comment
  UC592126  Nemophila pedunculata H. L. Mason 1932-3-20 6841 Contra Costa Antioch sand hills Comment
  UC2028229  Nerium oleander Barbara Ertter 1998-11-15 16467 Contra Costa North side Mount Olympia on north side Mount Diablo. Comment
  JEPS128779  Nicotiana acuminata var. multiflora Kevin Hintsa 1997-6-29 Contra Costa Mount Diablo State Park, floodplain of Pine Creek, near Pine Pond. Comment
  UC1795825  Nicotiana glauca Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14627 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation. 91 Comment
  CAS-BOT-BC140359  Oemleria cerasiformis Barrett Anderson 1987-4-30 3506 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  RSA51235  Oemleria cerasiformis Peter H. Raven 1950-3-5 1409 Contra Costa Happy Valley Road, 2.8 miles above intersection with Upper Happy Valley road. 244 Comment
  SEINET6824845  Oemleria cerasiformis E. R. Drew 1888-2-22 s.n. Contra Costa Moraga Valley Comment
  JEPS716  Oenothera deltoides subsp. howellii W. L. Jepson 1945-10-28 27570 Contra Costa Antioch Sand Hills 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
  UCD17865  Oenothera deltoides subsp. howellii Glen Holstein 2000-6-23 s.n. Contra Costa California. Contra Costa County: Midway between Brentwood and Oakley on west side of Highway 4. Comment
  CAS-BOT-BC7128  Oenothera deltoides var. howellii Alice Eastwood; John Thomas Howell 1936-4-19 2147 Contra Costa Antioch Comment
  RSA0004531  Oenothera deltoides var. howellii Alice Eastwood, J. T. Howell 1936-4-19 2147 Contra Costa Sand dunes at Antioch Comment
  SEINET7719109  Oenothera micrantha Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  UC2028003  Olea europaea Barbara Ertter with Amy Rusev 1998-1-17 15902 Contra Costa Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  UC27891  Orobanche bulbosa F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC502762  Orobanche bulbosa Mary L. Bowerman 1938-6-24 3694 Contra Costa Mount Diablo: Pioneer Road junction 853 Comment
  UC691505  Orobanche fasciculata Mary L. Bowerman 1935-5-16 2995 Contra Costa Mount Diablo. Russelman Park, just south of the north boundary of section 25 (east of gate). Comment
  POM15657  Orthocarpus purpurascens C. F. Baker 1903-4-27 2794 Contra Costa Byron. Comment
  PASA163  Orthocarpus pusillus Frank W. Peirson 1926-4-10 Contra Costa Road from Pablo to Pinole Comment
  CDA4721  Oxalis corniculata D. G. Kelch, A. G. Murdock 2005-5-23 5 .375 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  UC2029198  Oxalis pes-caprae Barbara Ertter 2003-2-8 18093 Contra Costa Richmond Field Station (UC-Berkeley) Comment
  UC2028147  Packera breweri Barbara Ertter 1998-4-4 15966 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, and Indian Valley School. Comment
  SD241914  Papaver californicum Mary Bowerman 1978-5-14 Contra Costa Mount Diablo. Old wagon trail to mines on E face of Eagle Peak. Comment
  UC1795772  Parapholis incurva Barbara Ertter, Brad Olson 1994-5-7 12764 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  CAS-BOT-BC259647  Paspalum dilatatum John Thomas Howell 1954-9-5 30025 Contra Costa Marsh Creek Springs Park Comment
  UCD84177  Paspalum distichum Chuck Hughes 2009-10-2 136 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 179 Comment
  SEINET12728273  Pectocarya linearis T. S. Brandegee 1890-1 s.n. Contra Costa Antioch California. Comment
  UC573135  Pectocarya penicillata H. L. Mason 1932-3-20 6845 Contra Costa Antioch sand hills Comment
  UC79144  Pectocarya penicillata T. S. Brandegee April 1889 Contra Costa Antioch Comment
  UC691617  Pedicularis densiflora Mary L. Bowerman 1931-2-28 526 Contra Costa Mount Diablo, near s road just below junction Mount Diablo Comment
  UCSB12518  Pedicularis densiflora Grah, Nancy 1962-4-14 Contra Costa 1.1 miles on Tappan Lane north of Tarry Lane, Orinda 243 Comment
  UCSB11198  Pedicularis densiflora Hayes, Judy 1961-3-30 Contra Costa 3 miles N of South Gate of Mount Diablo State Park 670 Comment
  UC16281  Pediomelum californicum G. Davidson July 1892 Contra Costa Mt. Diablo Comment
  UC692690  Pediomelum californicum Mary L. Bowerman 1935-6-1 3114 Contra Costa summit Mount Diablo Mount Diablo, summit (between the one-way roads) Comment
  UC903300  Pellaea andromedifolia Ethel Crum 1930-4-14 571 Contra Costa Mitchell Canyon; Mt Diablo Comment
  SBBG26831  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi E of Antioch 15 Comment
  UCR136718  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi east of Antioch 15 Comment
  UCD124087  Penstemon centranthifolius M. Wiesendanger 1925-5-1 1481 Contra Costa San Miguel. 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
  JEPS107104  Pentachaeta alsinoides Barbara Ertter, Lisa Schultheis 1995-4-27 14006 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  SBBG122848  Pentachaeta alsinoides B. Ertter, L. Schulteis 1995-4-27 14006 Contra Costa end of Arbolado Drive, Lime Ridge open space NW of Mt Diablo 121 Comment
  RSA93286  Pentachaeta exilis Alice Eastwood, J. T. Howell 1936-4-19 2137 Contra Costa Nortonville. Comment
  UC697212  Pentachaeta exilis Mary L. Bowerman 1931-4-4 670 Contra Costa w Turtle Rock; Mount Diablo Comment
  POM55516  Pentachaeta exilis C. F. Baker 1903-4-28 2826 Contra Costa Marsh Creek, Mt. Diablo. Comment
  CAS-BOT-BC71614  Pentagramma triangularis D. E. Breedlove 1970-4-18 17426 Contra Costa at the north edge of Lafayette above Laurel Drive 243 Comment
  UC1354307  Perideridia californica T. I. Chuang, L. R. Heckard and R. Bacigalupi 1968-4-27 6437 Contra Costa Deer Flat Mt. Diablo Comment
  JEPS100133  Perideridia kelloggii A. Langston 2003-7-9 AL 63 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1606429  Perideridia kelloggii Barbara Ertter, Brad Olson 1993-8-8 12203 Contra Costa sw San Ramon; Bishop Ranch Regional Open Space Comment
  UC1613941  Perideridia kelloggii Charles M. Belshaw 1935-6-24 1020 Contra Costa Sobrante Hills Comment
  CAS-BOT-BC413781  Persicaria lapathifolia Walter Knight 1978-8-27 3163 Contra Costa Contra Loma Regional Park 30 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-BC413779  Persicaria lapathifolia Walter Knight 1977-7-15 s.n. Contra Costa At reservoir's edge, golf course, Antioch. Lone Tree Road 30 Comment
  UC2029086  Persicaria maculosa Barbara Ertter 2000-7-16 17396 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC1949094  Persicaria punctata Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19805 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  JEPS1454  Phacelia breweri W. L. Jepson 1891-5-24 21009 Contra Costa Mt. Diablo Comment
  JEPS1458  Phacelia breweri Mary L. Bowerman 1935-4-26 2898 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1021 Comment
  UC24303  Phacelia breweri W. H. Brewer 1058 Contra Costa Mount Diablo; ; Mt. Diablo Comment
  POM256513  Phacelia breweri H. L. Mason 1938-5-3 11750 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo. Comment
  UC671750  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa margin of San Francisco Bay Point Richmond 15 Comment
  UC671751  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa margin of San Francisco Bay Point Richmond 15 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
  JEPS2178  Phacelia cicutaria var. cicutaria M. K. Curran 1884-1 Contra Costa Antioch Comment
Read comments
Feb 9 2013
  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
  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
  RSA0027642  Phacelia divaricata Barbara Ertter, Tony Morosco 1998-4-12 16020 Contra Costa Mount Olympia on north side of Mount Diablo, Olympia Road down ridge west of summit. 854 Comment
  CDA381  Phacelia imbricata D. G. Kelch 2007-6-3 7 .432 Contra Costa East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir. Comment
  UC1228354  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-7-17 805 Contra Costa Hampton Rd about 1 mi ne junction with Bear Creek road (n of Lafayette); Briones Hills 213 Comment
  UC691693  Phacelia imbricata subsp. imbricata Mary L. Bowerman 1930-6-5 252 Contra Costa West rd 5.8 mi from entrance; Mount Diablo 457 Comment
  UC691696  Phacelia imbricata subsp. imbricata Mary L. Bowerman 1934-4-21 2543 Contra Costa knoll e Pioneer Camp; Mount Diablo Comment
  UC735094  Phacelia imbricata subsp. imbricata Lincoln Constance, T. Morley, R. H. Shan, and W. H. Wagner 1946-4-26 3033 Contra Costa trail from Juniper Camp to Deer Flat; Mount Diablo 838 Comment
  JEPS111825  Phacelia nemoralis subsp. nemoralis D. G. Kelch 2005-5-1 05 .189 Contra Costa Crockett - Edwards Canyon 150 Comment
  LA205630  Phacelia perityloides H. M. Hall; F. M. Essig 1916-5-31 10135 Contra Costa Mt. Diablo 347 Comment
Read comments
Mar 29 2015
  JEPS1104  Phacelia phacelioides Mary L. Bowerman 1930-6-7 285 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC24325  Phacelia phacelioides Edw. L. Greene 1890-6-20 Contra Costa Mt. Diablo Comment
  JEPS111840  Phacelia tanacetifolia D. G. Kelch 2004-4-3 04 .56 Contra Costa Crockett-Tormey Headlands west of I-80 and Cummings Skyway junction. 75 Comment
  JEPS87899  Phacelia tanacetifolia Barbara Ertter 1991-5-5 9774 Contra Costa s of Pittsburg (above Nortonville Pass, Black Diamond Mines Regional Preserve, s side of Rose Hill); Black Diamond Mines Regional Preserve, Rose Hill 365 Comment
  CAS-BOT-BC265808  Phalaris arundinacea Walter Knight; Irja Knight 1978-9-5 3205 Contra Costa Browns Island Comment
  UC50726  Phalaris californica Jos. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  RSA0029052  Phalaris coerulescens Barbara Ertter 1999-6-12 16713 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore. Comment
  UC1132436  Phalaris minor C. M. Belshaw 1936-5-11 2099 Contra Costa 2 1/2 mi ese Danville (Plot 19); Mt. Diablo Quadrangle Comment
  UC50714  Phalaris minor J. Burtt Davy 1898-4-7 4258 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  UCD146727  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14401 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property. 15 Comment
  JEPS112007  Phlox gracilis D. G. Kelch 2005-3-25 05 .88 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak. 115 Comment
  UC963765  Phlox gracilis Herbert L. Mason 1926-3-7 2703 Contra Costa via Walnut Creek to summit to Danville to Niles Canyon; Mt. Diablo Comment
  UC2028439  Phoenix Barbara Ertter with Chris Thayer 1996-10-25 15357 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park Comment
  UC1619911  Phoenix canariensis Barbara Ertter, Brad Olson 1993-10-30 12292 Contra Costa w of railroad tracks n of mouth of Pinole Creek (San Pablo Regional Shoreline); San Pablo Regional Shoreline Comment
  UC691715  Pholistoma auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Sycamore Canyon Mt. Diablo, Sycamore Canyon 350 Comment
  JEPS107085  Phoradendron macrophyllum Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13085 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton. Comment
  UC1795770  Phoradendron macrophyllum Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13085 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton, open oak woodland (Canyon live oak, blue oak, buckeye); north facing slope with local grove of Fraxinus, Aesculus, toyon. Comment
  JEPS111927  Phoradendron serotinum subsp. tomentosum Dean G. Kelch and Andrew G. Murdock DGK 05 .035 Contra Costa Martinez - Franklin Hills. Carq. Shoreline EBRP. Contra Costa County CA. West of Martinez High School. Comment
  UC692039  Phoradendron villosum Mary L. Bowerman 1932-1-23 1077 Contra Costa knoll w. of the knoll between Sycamore Ridge and 1920 point Mt. Diablo Comment
  UC1051055  Phygelius capensis N. Floy Bracelin 1942-12-6 2333 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CDA2311  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. 0 Comment
  UC1129855  Pickeringia montana var. montana R. W. Lundh 1932-8-20 135 Contra Costa 2 mi s Mt. Diablo (Rock City); Mount Diablo Quadrangle 502 Comment
  UC692283  Pickeringia montana var. montana Mary L. Bowerman 1933-2-4 1690 Contra Costa flat e Mt. Diablo-North Peak divide; Mount Diablo 822 Comment
  CDA15276  Picris echioides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14713 Contra Costa Sacramento Delta; E end of Dow Chemical property. Pittsburg. Comment
  UC692104  Pinus attenuata Mary L. Bowerman 1933-5-11 2080 Contra Costa Inner Black Hills , Mount Diablo (w end of chaparral n of crest) Comment
  POM287316  Pinus coulteri Lyman Benson 1935-3-16 6280 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC40359  Pinus coulteri J. G. Lemmon Contra Costa Mitchell Canyon Mt. Diablo Comment
  UC1061678  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California 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
  CAS-BOT-BC137271  Piperia elegans John Thomas Howell 1925-9-12 1436 Contra Costa Field redacted by CAS, contact the data manager for more information Comment
  UC2028984  Piperia michaelii Barbara Ertter 2000-5-14 17011 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. Comment
  UC1614071  Plagiobothrys Charles M. Belshaw 1935-6-24 780 Contra Costa 1/2 mi e of Grizzly Peak (n face of Bald Peak); Bald Peak Comment
  JEPS60914  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-24 Contra Costa near Byron Comment
  JEPS60917  Plagiobothrys acanthocarpus Mary L. Bowerman 1933-3-25 1761 Contra Costa Diablo Stock Farm (Stone Valley) Canyon Mount Diablo (w fork) 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
  JEPS111830  Plagiobothrys bracteatus D. G. Kelch 2005-4-15 05 .136 Contra Costa Rodeo Creek 100 ms west of previous site along dirt in road in puddles 100 Comment
  SBBG28847  Plagiobothrys bracteatus J. T. Howell 1933-5-14 11232 Contra Costa St Mary's College Comment
  UC517459  Plagiobothrys bracteatus John Thomas Howell 1933-5-14 11232 Contra Costa St. Mary's College Comment
  UC54745  Plagiobothrys bracteatus Jos. Burtt Davy 1900-3-24 6533 Contra Costa Stege Comment
  POM226098  Plagiobothrys bracteatus J. T. Howell 1933-5-14 11232 Contra Costa St. Mary s College Comment
  UC78037  Plagiobothrys canescens T. S. Brandegee May 1890 Contra Costa Antioch Comment
  POM204086  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  SEINET12275845  Plagiobothrys canescens L. S. Rose 1933-1 33046 Contra Costa Pittsburg Comment
  UC575686  Plagiobothrys fulvus Alice Eastwood and John Thomas Howell 1935-4-7 2120 Contra Costa sandy hills on Marsh Creek Road near Byron Comment
  JEPS61038  Plagiobothrys humistratus E. L. Greene 1889-3-23 Contra Costa Byron Comment
  CHSC106838  Plagiobothrys leptocladus Barbara Ertter; Jim Jokerst, Dave Magney 1989-4-5 8129 Contra Costa SE part of county. Ca 15 air miles SW of Stockton, alkali sink W and adjacent to Clifton Court Forebay. Comment
  JEPS68111  Plagiobothrys nothofulvus Mrs. E. L. Mossman 1931-4-21 139 Contra Costa vicinity Grizzly Peak; Berkeley Hills 472 Comment
  UC1073381  Plagiobothrys nothofulvus George B. Rossbach 1955-3-20 465 Contra Costa sw base Mt. Diablo Comment
  UC691397  Plagiobothrys nothofulvus Mary L. Bowerman 1935-4-12 2820 Contra Costa west (= North Rd.) Road 2 mi from entrance Mount Diablo 259 Comment
  POM368871  Plagiobothrys nothofulvus H. de Forest 1930-3-28 s.n. Contra Costa Contra Costa County Comment
  POM64765  Plagiobothrys stipitatus C. F. Baker 1903-4-27 2799 Contra Costa Byron. Comment
  SD4240  Plagiobothrys tenellus T. S. Brandegee May 1888 Contra Costa Antioch Comment
  UC1178520  Plagiobothrys tenellus Ethel Crum 1936-4-5 1742 Contra Costa two mi w Byron; South Coast Ranges 45 Comment
  RSA0029671  Plagiobothrys trachycarpus Barbara Ertter, R. K. Brummitt 1998-5-13 16143 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, depression in road from Somersville Road to south leg of Loughler Loop Trail. Comment
  RSA128482  Plagiobothrys trachycarpus Robert F. Hoover 1941-4-12 4840 Contra Costa 1 mile N of Lone Tree Valley. Comment
  JEPS116832  Plagiobothrys undulatus David Gowen 2007-5-8 707 Contra Costa Briones Regional Park, in vernal depression northeast of Sindicich Lagoon. Comment
  UCR263544  Plantago coronopus Barbara Ertter 1990-10-24 9684 Contra Costa San Francisco Bay Region, Martinez Regional Shoreline on Carquinez Strait 2 Comment
  RSA0026162  Plantago coronopus Barbara J. Ertter 1990-10-24 9684 Contra Costa Martinez Regional Shoreline on Carquinez Strait. Near arch bridge. Comment
  UC2028080  Plantago coronopus Barbara Ertter, Tony Morosco 1998-4-12 15990 Contra Costa Base of Mount Olympia on north side of Mount Diablo, open flat below quarry NE of Olympia Trail. Comment
  CHSC68020  Plantago elongata James D. Jokerst 1989-3-28 3063 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  JEPS7118  Plantago elongata W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mt. Diablo Comment
  UC1314969  Plantago elongata R. F. Hoover 1967-4-28 10516 Contra Costa Byron Hot Springs Comment
  UC1745802  Plantago elongata Annetta M. Carter 1933-4-9 291 Contra Costa About 2 mi. SW of Nortonville. Comment
  UC28002  Plantago elongata J. Burtt Davy 1900-3-24 6522 Contra Costa near Stege Comment
  JEPS111997  Plantago erecta D. G. Kelch 2003-3-21 03 .74 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS87216  Plantago major Lauramay T. Dempster 1991-6-15 Contra Costa Orinda; 15 El Toyonal Comment
  UCD124562  Plantago subnuda Ann F. Johnson 1978-6-30 AN- 57 Contra Costa along edge of San Joaquin River, PG and E.-site, Antioch Dunes. Comment
  JEPS40297  Platanus racemosa F. W. Bancroft Oct. 1894 Contra Costa Walnut Creek Comment
  CAS-BOT-BC6458  Platystemon californicus Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  JEPS111988  Platystemon californicus D. G. Kelch 2004-3-12 04 .34 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  CAS-BOT-BC91606  Platystemon californicus Alice Eastwood 1906-5-1 s.n. Contra Costa Berkeley. Comment
  UC50152  Platystemon californicus W. H. Brewer 1862-5-15 1095 Contra Costa Kirker's Pass Diablo Mountain (Diablo Mountain); , Kirker's Pass Comment
  UC691528  Plectritis ciliosa subsp. insignis Mary L. Bowerman 1931-3-8 558 Contra Costa above mouth of Mitchell Canyon (Mount Diablo); Mount Diablo 457 Comment
  JEPS12782  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-4 4975 Contra Costa s of and above Nortonville ((site)) 304 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
  UC691524  Plectritis macrocera Mary L. Bowerman 1931-4-25 784 Contra Costa summit of Mount Diablo Mount Diablo Comment
  POM59719  Plectritis macrocera C. F. Baker 1903-4-28 2813 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  UC1112203  Pleuropogon californicus Peter H. Raven with G. Thomas Robbins 1956-4-28 9042 Contra Costa just e of to Martinez (along State Hwy 4) Comment
  OBI22108  Pleuropogon californicus Peter H. Raven, G. Thomas Robbins 1956-4-28 9042 Contra Costa Just E of jctn to Martinez along State hwy 4 Comment
  CAS-BOT-BC260947  Pleuropogon californicus var. californicus Peter Kamb; Francia Chisaki; Galen Smith 1951-4-14 1978 Contra Costa Margins of small pond 0.2 miles south of junction of Highways 4 and 21, 7 miles north of Walnut Creek Comment
  JEPS111673  Pluchea odorata var. odorata D. G. Kelch 2003-8-13 03 .96 Contra Costa Martinez Marsh 0 Comment
  JEPS111733  Pluchea odorata var. odorata D. G. Kelch 2004-9-2 04 .334 Contra Costa Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh 5 Comment
  JEPS78623  Pluchea odorata var. odorata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3284 Contra Costa Browns Island, Botany Cove Comment
  UC1618403  Pluchea odorata var. odorata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10869 Contra Costa just w. Antioch marina (along levee at water's edge, accessed from marina, Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UCD36910  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, on Empire Mine Drive, at head of Horse Valley. Comment
  UC2027749  Poa annua Barbara Ertter 1996-11-24 15424 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  JEPS87903  Poa bulbosa Barbara Ertter, Lynne Hosley 1993-4-17 11507 Contra Costa ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side open meadow along Blue Oak trail, Morgan Territory); Morgan Territory 609 Comment
  UC692329  Poa howellii Mary L. Bowerman 1933-5-22 2167 Contra Costa w of 1970 Inner Black Hills; Mt Diablo, Inner Black Hills Comment
  POM300627  Poa howellii Mary L. Bowerman 1933-4-22 1897 Contra Costa Inner Black Hills just west of Cave Point Comment
  CAS-BOT-BC255790  Poa infirma Alice Eastwood 1921-4-18 10265 Contra Costa Antioch Comment
  POM300628  Poa secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Alder Canyon 732 Comment
  CAS-BOT-BC236390  Poa secunda subsp. secunda Mary L. Bowerman 1935-5-3 2960 Contra Costa Mount Diablo. Sloan Road 487 Comment
  CAS-BOT-BC236392  Poa secunda subsp. secunda L. R. Abrams 1921-5-25 8031 Contra Costa Mount Diablo, summit Comment
  CAS-BOT-BC236395  Poa secunda subsp. secunda D. E. Breedlove 1970-4-18 17551 Contra Costa At the N edge of Lafayette above Laurel Drive 243 Comment
  UC692416  Poa secunda subsp. secunda Mary L. Bowerman 1933-4-15 1869 Contra Costa canyon s of Arroyo del Cerro (rocky knoll 250 ft below spring); Mt Diablo Comment
  UC768489  Poa secunda subsp. secunda R. F. Hoover 1941-4-11 4834 Contra Costa Marsh Creek Canyon Comment
  SEINET5548629  Poaceae J. Hamai 1985-1 s.n. Contra Costa Russell Reserve Comment
  SEINET883323 Image available Poaceae F. W. Gould 1941-1 1304 Contra Costa near San Francisco Bay at Albany. Comment
  HSC14299  Pogogyne douglasii Leo Koch 1940-6-5 1002 Contra Costa Saline flat 2 mi. S of San Rafael ferry dock Comment
  POM126756  Pogogyne douglasii V. King Chesnut 1887-9-10 s.n. Contra Costa Mt. Diablo Comment
  CHSC67525  Pogogyne zizyphoroides Lori May 1990-6-6 Contra Costa E of Bixley Rd., ca. 0.5 mi N of Hwy. 4. Comment
  UC883703  Pogogyne zizyphoroides Lewis S. Rose 1937-4-21 37226 Contra Costa Byron 15 Comment
  UC1192326  Polygonum amphibium Malcolm A. Nobs and S. Galen Smith 1949-7-7 938 Contra Costa Webb Island Sacramento Delta peat lands Comment
  UC692129  Polygonum amphibium Mary L. Bowerman 1935-7-22 3182 Contra Costa Chase Pond Mount Diablo (in water 4 feet from shore) 548 Comment
  UC692146  Polygonum amphibium Mary L. Bowerman 1935-9-13 3338 Contra Costa Hidden Pond Mount Diablo Comment
  JEPS76288  Polygonum amphibium var. emersum W. L. Jepson 1944-7-23 27538 Contra Costa w side of valley near Moraga Pass; Moraga Valley Comment
  RSA721737  Polygonum amphibium var. emersum Barbara J. Ertter, K. Ertter 1995-7-11 14482 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  UC1784203  Polygonum persicaria Ethel Crum 1930-9-29 862 Contra Costa Marsh Creek Road to Holt Comment
  JEPS95765  Polygonum ramosissimum Dianne Lake 1999-10-5 Contra Costa NW end of wetland at NE corner of Plymouth and Hillcrest, 1 block N of E 18th St. Antioch 3 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
  UC42882  Polypodium E. L. Greene 1892-3-20 Contra Costa Red Rock; Bay of San Francisco Comment
  JEPS112032  Polypodium calirhiza D. G. Kelch 2004-3-5 04 .4 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 68 Comment
  UC1222107  Polypodium calirhiza Joseph Andorfer Ewan 1934-3-10 8657 Contra Costa 1/2 mi below Orinda rd. bridge; Wildcat Canyon Comment
Read comments
Aug 23 2009
  UC1541044  Polypodium calirhiza Dick Moe 1985-2-24 Contra Costa Red Rock Isl.; San Francisco Bay Comment
  UC2032825  Polypodium calirhiza Doran, Andrew Scott 2012-3-20 695 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UC692122  Polypodium calirhiza Mary L. Bowerman 1933-12-2 2478 Contra Costa rocks by Alder Canyon Alder Canyon; Mt. Diablo 533 Comment
  UC805287  Polypodium calirhiza W. H. Wagner Jr. 1950-6-4 Contra Costa along rd. above San Pablo Reservoir (near Inspiration Point) Comment
  CAS-BOT-BC422367  Polypogon Peter Rubtzoff 1968-9-19 5967 Contra Costa Russellman Park Road, 0.7 miles south of Marsh Creek Road. Comment
  CDA9488  Polypogon monspeliensis D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .213 Contra Costa Byron Airport. Comment
  JEPS45888  Polypogon monspeliensis Virginia Bufford 1932-4-18 578 Contra Costa Wildcat Canyon Comment
  POM264543  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay. Comment
  UC691205  Polypogon monspeliensis Mary L. Bowerman 1933-6-21 2338 Contra Costa Donner Canyon Mount Diablo; , Donner Canyon 335 Comment
  SEINET10960581  Polypogon monspeliensis Thomas Morley 1940-11-21 Morley 85 Contra Costa Associated with Salix, typha, and Cyperus in fine, rich moist soil; banks at upper end of San Leandro Lake near mouth of Redwood Creek 130 Comment
  CAS-BOT-BC237471  Polypogon viridis Mary L. Bowerman 1936-8-17 3527 Contra Costa Mount Diablo. Sulphur Spring in Pine Canyon 137 Comment
  UC1063673  Polystichum munitum R. W. Lundh 1933-3-6 211 Contra Costa 1/2 mi w Eastport; Concord Quadrangle Comment
  RSA760663  Polystichum munitum William J. Ferlatte, L. Maynard Moe 1970-4-27 1244 Contra Costa San Francisco Bay, Red Rock Island. Comment
  JEPS112250  Populus fremontii D. G. Kelch 2004-4-26 04 .129-B Contra Costa Martinez - West: Ozol Rock and Scenic Drive Comment
  JEPS112254  Populus fremontii subsp. fremontii D. G. Kelch 2005-5-13 05 .236 Contra Costa Martinez South of oil refinery along Railroad tracks Comment
  UC403974  Populus fremontii subsp. fremontii W. L. Jepson 1907-4 Contra Costa near Walnut Creek (San Ramon Valley); San Ramon Valley Comment
  UC4923  Populus fremontii subsp. fremontii W. C. Blasdale 1901-9-28 Contra Costa San Pablo; at the old Castro house, along the creek Comment
  RSA755535  Potamogeton diversifolius Barbara Ertter, Brad Olson 1991-9-28 10839 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC2028534  Potamogeton foliosus Barbara Ertter 2000-9-30 17531 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch staging area. Comment
  JEPS111056  Potamogeton foliosus var. foliosus Barbara Ertter 2005-8-17 18617 Contra Costa N base of Mount Diablo S of Clayton, small permanent pond NE of Mitchell Canyon parking lot Comment
  JEPS78627  Potamogeton pectinatus Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3294 Contra Costa mouth of Crooked Slough; Browns Island, East Bay Regional Park District Comment
  JEPS78628  Potamogeton pectinatus Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3295 Contra Costa mouth of Crooked Slough; Browns Island, East Bay Regional Park District Comment
  UC72980  Potentilla anserina subsp. pacifica Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  JEPS84884  Proboscidea lutea G. Thomas Robbins 1959-8-1 4114 Contra Costa roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette) 144 Comment
  CDA26219  Prunus virginiana subsp. demissa A. G. Murdock, D. G. Kelch 2004-5-28 268 Contra Costa Carquinez Strait Region; Pinole Peak. Comment
  JEPS75547  Pseudognaphalium californicum P. F. Yorks 1975-7-5 467 Contra Costa ca 1.5 mi s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir) 180 Comment
  JEPS99520  Pseudognaphalium luteoalbum Mary L. Bowerman 1978-6-24 Contra Costa Mount Diablo, Mitchell Creek, below reservoir. 190 Comment
  JEPS75548  Pseudognaphalium ramosissimum P. F. Yorks 1975-8-29 491 Contra Costa on Hampton Road ca 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve 180 Comment
  UC1618173  Pseudognaphalium ramosissimum Barbara Ertter, CNPS 1990-8-19 9621 Contra Costa along Bear Creek Trail n Orinda (e side of s end of reservoir, on EBMUD land, near Briones Overlook); Briones Reservoir 213 Comment
  CAS-BOT-BC357444  Pseudognaphalium ramosissimum John Thomas Howell 1925-11-7 1558 Contra Costa San Leandro Canyon, Oakland Hills Comment
  UC691826  Pseudognaphalium stramineum Mary L. Bowerman 1938-9-17 3717 Contra Costa Johnny Walker Spring Mount Diablo, Johnny Walker Spring 731 Comment
  UC1948940  Pseudognaphalium thermale William J. Ferlatte, L. Maynard Moe 1970-4-27 1257 Contra Costa San Francisco Bay: Red Rock Island Comment
  SEINET3875499  Pseudotsuga menziesii James K. Detling 1963-3-21 40 Contra Costa Near Glorietta School, Orinda.; 0 30 Comment
  UC177451  Psilocarphus brevissimus var. brevissimus Brandegee May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC361831  Psilocarphus oregonus J. H. Thomas 1953-4-25 3000 Contra Costa 2 miles SW of Brentwood Comment
  CDA29229  Psilocarphus tenellus D. G. Kelch 2005-5-13 05 .272-D Contra Costa Carquinez Strait; Above and west of Edwards Canyon, nr Crockett. Comment
  JEPS12780  Psilocarphus tenellus Rimo Bacigalupi 1955-5-4 4970 Contra Costa just se of old tunnel of the Tunnel Road; summit Oakland Hills 426 Comment
  POM138613  Ptelea baldwinii subsp. crenulata C. F. Baker 1903-4-28 2943 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  RSA448385  Ptelea baldwinii subsp. crenulata John Doyen, Glenn Gorelick 1966-4-22 s.n. Contra Costa Russelman Park. Mt. Diablo State Park. Comment
  CAS-BOT-BC148622  Ptelea crenulata A. D. E. Elmer 1903-5-1 4327 Contra Costa Mount Diablo Comment
  CAS-BOT-BC148625  Ptelea crenulata Mary L. Bowerman 1930-6-22 357 Contra Costa Mitchell Canyon, Mount Diablo Comment
  CAS-BOT-BC148634  Ptelea crenulata Rimo Bacigalupi 1926-4-30 1354 Contra Costa Near summit of Mt. Diablo Comment
  CAS-BOT-BC148636  Ptelea crenulata W. W. Carruth 1903-5-10 s.n. Contra Costa Mitchell Canyon, Mt. Diablo Comment
  CAS-BOT-BC148643  Ptelea crenulata V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  CAS-BOT-BC148644  Ptelea crenulata V. Rattan 1887-5-22 s.n. Contra Costa Alhambra Valley Comment
  HSC93960  Ptelea crenulata C. Newberry 1994-4-30 7253 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek 900 Comment
  SJSU5754  Ptelea crenulata C. O. Dudley 1966-5-1 103 Contra Costa Reliez Valley, Briones Hills, N of Lafayette 152 Comment
  UC17374  Ptelea crenulata Prof. W. L. Jepson 1898-10-18 Contra Costa Mt. Diablo Comment
  UC17381  Ptelea crenulata W. H. Brewer 1862-5-27 1175 Contra Costa s slope Mount Diablo Comment
  UC579884  Ptelea crenulata Annetta Carter 1935-6-1 868 Contra Costa ridge on w side of peak Mount Diablo 1036 Comment
  UC692575  Ptelea crenulata Mary L. Bowerman 1930-6-22 357 Contra Costa Mitchell Canyon; Mount Diablo Comment
  CAS-BOT-BC148620  Ptelea crenulata Ethel Wickes 1917-6-1 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC148633  Ptelea crenulata H. M. Hall 1910-8-17 10277 Contra Costa Upper Horse Valley (6 mi. s. of Antioch) 213 Comment
  CAS-BOT-BC148646  Ptelea crenulata Volney Rattan; Dr. Mary Curran 188 s.n. Contra Costa Unspecified Comment
  UC2028220  Ptelea crenulata Barbara Ertter with Christopher Baysdorfer 1998-5-10 16126 Contra Costa West side Lime Ridge Open Space northwest of Mount Diablo. 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
  UC6916  Pterostegia drymarioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC239827  Puccinellia simplex Niall McCarten; V. I. Dains 1986-6-1 03261200 9 Contra Costa (Highline reach 12-15) near Brushy Cr., empties into Clifton Ct. Forebay Comment
  UC5818  Quercus H. P. Chandler 1900-3-24 Contra Costa Orinda Prak Mount Diablo Comment
  UC691281  Quercus X eplingii Mary L. Bowerman 1935-11-30 3351 Contra Costa sw of Gibraltar Rock; Mount Diablo, Fossil Ridge Comment
  UC691313  Quercus X morehus Mary L. Bowerman 1931-3-22 609 Contra Costa between Oyster Point and Cave Point; Mount Diablo Comment
  CAS-BOT-BC104167  Quercus X morehus Mary L. Bowerman 1935-10-26 3349 Contra Costa Mount Diablo. 0.1 mile by road above Silver Spring, 50 feet from road 859 Comment
  CDA35928  Quercus X morehus T. Young 2002-9-2 s.n. Contra Costa San Francisco Bay Area; Northern Orinda. 0 Comment
  UC691317  Quercus X morehus Mary L. Bowerman 1933-6-14 2278 Contra Costa Inner Black Hills, w of 1970 Mount Diablo Comment
  CAS-BOT-BC45656  Quercus agrifolia John Thomas Howell 1950-7-5 26638 Contra Costa Nortonville Comment
  CDA33977  Quercus agrifolia D. G. Kelch 2011-3-31 11 .082-B Contra Costa Carquinez Strait region.; Pinole. Comment
  CDA20380  Quercus agrifolia var. agrifolia P. Akers 2002-5-11 s.n.- 2 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  RSA0041717  Quercus berberidifolia Mary L. Bowerman 1930-10-19 490 Contra Costa South road at Garden-of-the-Gods (Fossil Ridge). Comment
  CAS-BOT-BC62695  Quercus chrysolepis Paul F. Covel 1940-5-12 1744 Contra Costa Mt. Diablo (at Rock City) 487 Comment
  UC5526  Quercus chrysolepis Frank W. Bancroft 1894-7-10 Contra Costa Top of Mt. Diablo Mt. Diablo Comment
  JEPS37390  Quercus douglasii W. L. Jepson 1898-10-18 Contra Costa Deer Flat Mt. Diablo Comment
  RSA476581  Quercus douglasii H. de Forest 1930-4-13 s.n. Contra Costa Road through N end Diablo Range. 915 Comment
  CAS-BOT-BC86120  Quercus dumosa Mary L. Bowerman 1933-4-15 1878 Contra Costa Mount Diablo. Canyon S of Arroyo del Cerro: Canyon side Comment
  CAS-BOT-BC86123  Quercus dumosa Mary L. Bowerman 1932-9-17 1584 Contra Costa Mount Diablo. Donner Canyon, west fork: Bank between forks 304 Comment
  UC5581  Quercus durata F. W. Bancroft 1894-7-10 Contra Costa half-way up Mt. Diablo Comment
  UC1543002  Quercus kelloggii Donald G. Nelson 1938-11-6 590 Contra Costa midway between Lafayette and Moraga Estates (along main highway) Comment
  UC639150  Quercus kelloggii Annetta Carter 1939-11-18 Contra Costa between Orinda andf Moraga Comment
  UCSC008851  Quercus kelloggii Al Keuter 2014-5-23 AK 00 -094 Contra Costa Along Wildcat Canyon Road on the northeast side of the first range of hills behind Berkeley. 166 Comment
  CAS-BOT-BC105104  Quercus kelloggii Mary L. Bowerman 1936-8-19 3531 Contra Costa Mount Diablo. Pine Canyon mouth, most northerly W-heading streamlet shown on topographic map (now dry): Hillside with W 167 Comment
  JEPS37352  Quercus lobata W. L. Jepson 1916-10-22 6852 Contra Costa Las Trampas Ridge Comment
  UC691280  Quercus lobata Mary L. Bowerman 1930-11-25 498 Contra Costa s of South Gate; Mount Diablo Comment
  UCD46831  Quercus lobata John M. Tucker 1941-8-28 384 Contra Costa Beside road up Curry Canyon, 3 miles south of junction with the road from Clayton to Byron, Contra Costa County, California. Comment
  CAS-BOT-BC104710  Quercus wislizeni Mary L. Bowerman 1930-7-7 287 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC104715  Quercus wislizeni H. E. McMinn s.n. Contra Costa near summit of Mt. Diablo Comment
  CDA31191  Quercus wislizeni D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .228 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  JEPS37967  Quercus wislizeni W. L. Jepson 1907-4-26 2647 Contra Costa Mt. Diablo 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
  UC5689  Quercus wislizeni unknown 78 Contra Costa Summit 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-BC104712  Quercus wislizeni Alice Eastwood 1921-8-6 11043 Contra Costa Mt. Hamilton Comment
  SEINET13954084 Image available Quercus wislizeni Peter H. Raven 1950-1 1355 Contra Costa Muraga Ridge 305 Comment
  CAS-BOT-BC362443  Rafinesquia californica Alice Eastwood 1915-5-30 4469 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC362444  Rafinesquia californica Alice Eastwood 1923-5-4 11720 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC362446  Rafinesquia californica Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  UC691446  Rafinesquia californica Mary L. Bowerman 1930-6-14 327 Contra Costa little below summit Meridian Peak; Mount Diablo, little below summit of Meridian Peak Comment
  UC691951  Ranunculus aquatilis Mary L. Bowerman 1935-6-21 3155 Contra Costa s Turtle Rock (winter pool e of main pond); Mount Diablo Comment
  UCR263547  Ranunculus aquatilis var. capillaceus Barbara Ertter, Tony Morosco 1998-7-11 16365 Contra Costa San Francisco Bay Region, North base of Mount Diablo, small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area 183 Comment
  UC70183  Ranunculus californicus J. Burtt Davy May 1898 Contra Costa Danville Region of Mount Diablo Comment
  POM194560  Ranunculus californicus Eugene Memmler 1929-4-21 2377 Contra Costa Moraga Valley Comment
  POM268436  Ranunculus californicus Mary L. Bowerman 1932-3-23 1127 Contra Costa E of Donner Creek 244 Comment
  POM149874  Ranunculus canus Jos. Burtt Davy 1898-05 s.n. Contra Costa San Ramon, Mt Diablo Comment
Read comments
Jan 23 2011
  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
  UC692190  Ranunculus canus var. canus Mary L. Bowerman 1932-3-23 1127 Contra Costa East of Donner Creek; Mount Diablo Comment
  UC692125  Ranunculus hebecarpus Mary L. Bowerman 1932-3-23 1130 Contra Costa ridge e Donner Canyon (at saddle); Mount Diablo 274 Comment
  UC854399  Ranunculus hebecarpus Lewis S. Rose 1940-4-11 40180 Contra Costa 6 mi se Clayton; Marsh Creek 60 Comment
  UC9445  Ranunculus hebecarpus Geol. Survey 1862-1 1049 Contra Costa Mt. Diablo; foothills Comment
  UC2029153  Ranunculus lobbii Barbara Ertter with Mary Bowerman 1995-5-7 14035 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton. Comment
  JEPS112057  Ranunculus muricatus D. G. Kelch 2004-4-24 04 .96 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  UC9383  Ranunculus orthorhynchus var. bloomeri J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  JEPS116905  Ranunculus sceleratus David Gowen 2008-9-4 970 Contra Costa Lime Ridge Open Space. Comment
  CHSC116607  Raphanus raphanistrum Lowell Ahart; Josephine Guardino 2016-4-19 20772 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
  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
  UC2062667  Rhamnus alaternus Barbara Ertter with David Gowen 2006-4-14 18667 Contra Costa Lime Ridge Open Space (City of Concord) at NW foot of Mount Diablo, SE side of Ygnacio Valley Road. Comment
  JEPS42029  Rhamnus californica subsp. californica W. L. Jepson 1924-6-25 10600 Contra Costa Moraga Ridge Comment
  JEPS112065  Rhamnus crocea A. G. Murdock 2004-5-28 290 Contra Costa Pinole Peak 405 Comment
  JEPS98405  Rhaponticum repens Bob Case 2001-10-2 Contra Costa East Bay Municipal Utilities District right-of-way on West Hookston Road Pleasant Hill, SE Comment
  CAS-BOT-BC200697  Rhus aromatica Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point ridge 350 Comment
  UC692579  Rhus trilobata Mary L. Bowerman 1931-4-5 678 Contra Costa below Gregory Ranch (between rocky point below house and shelf below it on w side); Mount Diablo Comment
  UC466053  Ribes Tracy J. Storer 1912-7-13 Contra Costa Mt. Diablo 914 Comment
  JEPS75496  Ribes californicum P. F. York 1974-2-3 107 Contra Costa 1.4 km. s Bear Creek Road (on Hampton Road, N of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  SBBG28501  Ribes californicum E. Mulliken 1905-1-28 Contra Costa Wildcat Cyn, Berkeley Hills Comment
  UC570838  Ribes californicum Herbert L. Mason 1926-3-7 2709 Contra Costa Summit Mt. Diablo Comment
  POM92757  Ribes californicum Earle Mulliken 1905-1-28 161 Contra Costa Wildcat Canyon, Berkley Hills. Comment
  CAS-BOT-BC92921  Ribes californicum var. californicum John Thomas Howell 1926-3-7 1669 Contra Costa Mount Diablo. Comment
  UC69857  Ribes divaricatum var. pubiflorum H. M. Hall 1900-3-24 Contra Costa Bear Creek San Francisco Bay Region Comment
  UCSB26263  Ribes divaricatum var. pubiflorum Ketcham, A. 1968-3-25 Contra Costa South Park Drive at road to Boy's Camp; Tilden Regional Park Comment
  CAS-BOT-BC168922  Ribes malvaceum Alice Eastwood; John Thomas Howell 1936-4-19 2140 Contra Costa Nortonville Comment
  CAS-BOT-BC168925  Ribes malvaceum John Thomas Howell 1926-3-7 1667 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC168920  Ribes malvaceum Rimo Bacigalupi 1924-2-17 s.n. Contra Costa Lower slopes of Mt. Diablo (Black Hills) along new auto road from Diablo Station, at Garden of the Julgle Gods 457 Comment
  CAS-BOT-BC206018  Ribes menziesii John Thomas Howell 1942-4-26 16951 Contra Costa Oakland Hills near Redwood Peak Comment
  JEPS22439  Ribes menziesii Mary L. Bowerman 1930-6-10 314 Contra Costa summit Mt. Diablo Comment
  UC1127450  Ribes menziesii R. W. Lundh 1932-9-22 166 Contra Costa Mount Diablo Mt. Diablo Quadrangle Comment
  UC692559  Ribes menziesii Mary L. Bowerman 1931-4-25 780 Contra Costa summit Meridian Peak (n side); Mount Diablo Comment
  CAS-BOT-BC206019  Ribes menziesii Peter H. Raven 1956-4-8 8985 Contra Costa About 0.5 mile north-east of Grizzly Peak 396 Comment
  LA205508  Ribes sanguineum Joseph Andorfer Ewan; 1934-3-10 8650 Contra Costa Wildcat Canyon, 1.5 mi. below Orinda road bridge Comment
  CAS-BOT-BC209361  Ribes sanguineum var. glutinosum Peter H. Raven 1950-3-5 1399 Contra Costa Redwood Canyon 152 Comment
  JEPS97013  Ribes sanguineum var. glutinosum R. D. Stone 1981-1-31 264 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) Comment
  CAS-BOT-BC362967  Rigiopappus leptocladus Alice Eastwood 1915-5-30 4486 Contra Costa Mt. Diablo 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
  UC1818896  Rigiopappus leptocladus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14063 Contra Costa Three-Springs Trail on NE side of Mt. Diablo SE of Clayton, small serpentine patch at road junction Comment
  UC1727989  Romulea rosea var. australis Gregg Weber 1998-5-6 Contra Costa San Pablo Ridge trail Comment
  UC2028188  Rorippa curvisiliqua Barbara Ertter 1998-5-3 16055 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  UC691057  Rorippa nasturtium-aquaticum Mary L. Bowerman 1930-6-5 244 Contra Costa West Road 5.8 mi from entrance Mount Diablo (West Road = North Road) Comment
  CAS-BOT-BC147412  Rosa californica C. Keefer 1922-9-25 s.n. Contra Costa [Morago] Moraga Ridge Comment
  CDA23621  Rosa gymnocarpa D. G. Kelch, D. A. Weinstein 2008-4-15 8 .046 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  UC2027979  Rubus discolor Barbara Ertter, Mary Bowerman 1996-11-1 15393 Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  LA208234  Rubus parviflorus Joseph Andorfer Ewan; 1936-5-3 9499 Contra Costa Wildcat Creek near Arinda road bridge Comment
  JEPS99966  Rumex acetosella G. Smick 2003-5-6 GAS 175 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC421865  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa Mount Diablo. Road above Indian Ceremonial Spring: Roadbank at hairpin turn. Comment
  UC2028271  Rumex acetosella Barbara Ertter 1999-6-12 16706 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UC2029020  Rumex californicus Barbara Ertter 1999-7-17 16766 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park. Comment
  UC692070  Rumex crispus Mary L. Bowerman 1930-10-4 478 Contra Costa Maple Spring Mount Diablo Comment
  UCD164880  Rumex crispus Henry House 1995-5-20 1995- 14 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  JEPS127097  Rumex dentatus Lowell Ahart, Josephine Guardino 2016-4-19 20783 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
  CDA15273  Rumex salicifolius var. crassus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14710 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  UC2012982  Rumex salicifolius var. salicifolius Barbara Ertter with Tony Morosco 1996-7-27 15030 Contra Costa Mount Diablo State Park, Donner Creek ca halfway between Regency Drive trailhead and old cabin site Comment
  UC1129908  Rupertia physodes C. M. Belshaw 1936-5-13 2116 Contra Costa Marsh Ck.-Livermore Road 1/2 mi nw Summit; Mt. Diablo Quadrangle Comment
  CDA23066  Sagina apetala D. G. Kelch, D. A. Weinstein 2008-5-5 8 .094 Contra Costa Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall. Comment
  UCD143634  Sagina procumbens Mack Osborne 1948-6-25 s.n. Contra Costa Danville. Comment
  UC194965  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch , Antioch (Region of San Francisco Bay) Comment
  SEINET11268191  Salicornia europaea Barbara Ertter 1990-9-30 9656 Contra Costa Point Pinole Regional Shoreline, edge of sparina marsh at edge of salicornia marsh on SW corner of park; edge of San Pablo Bay.; 0 Comment
  CAS-BOT-BC107875  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa Jersey Island Comment
  POM181448  Salix gooddingii I. L. Wiggins 1930-4-18 4591 Contra Costa Jersey Island. Comment
  JEPS112249  Salix laevigata A. G. Murdock 283 Contra Costa Refugio Valley 120 Comment
  POM167721  Salix laevigata W. C. Blasdale 1896-2-29 s.n. Contra Costa Clayton. Comment
  UC521720  Salix laevigata Joseph Andorfer Ewan 1933-10-15 8034 Contra Costa Indian Ceremonial Spring Mt. Diablo, Indian Ceremonial Spring Comment
  CAS-BOT-BC125142  Salix lasiandra var. lasiandra W. W. Mott 1905-3-11 s.n. Contra Costa unspecified Comment
  UC1196652  Salix lasiolepis Joseph P. Tracy 1932-9-10 10786 Contra Costa Franklin Canyon Northern Coast Ranges (head) 152 Comment
  UC692032  Salix lasiolepis Mary L. Bowerman 1931-3-14 567 Contra Costa Riggs Canyon Mount Diablo (e side) Comment
  RSA300609  Salix lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa Spring S of Turtle Rock. Mt. Diablo. Comment
  UC499339  Salix lasiolepis Mary L. Bowerman 1933-3-25 1777 Contra Costa back of Diablo Stock Farm; Stone Valley, Emmons<?> Canyon 274 Comment
  CAS-BOT-BC129560  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  CAS-BOT-BC129562  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3728 Contra Costa Antioch Comment
  JEPS87926  Salpichroa origanifolia Barbara Ertter 1991-5-12 9818 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, near parking lot); San Francisco Bay, Point Isabel Regional Shoreline Comment
  CDA37041  Salsola australis P. Akers 2003-10-7 B 107 Contra Costa San Joaquin Valley; Contra Costa water district, E edge of Discovery Bay on Hwy 4. 7 Comment
  RSA739938  Salsola tragus P. Akers 2003-10-7 B- 107 Contra Costa Contra Costa water district, E edge of Discovery Bay on Hwy 4. 8 Comment
  JEPS108627  Salvia columbariae R. Raiche 1981-8-3 10068 Contra Costa S slope of saddle area, Mount Diablo 822 Comment
  JEPS120273  Salvia leucophylla Barbara Ertter with David Gowen 2012-6-9 21026 Contra Costa southeast of junction of Big Springs Trail and Seaview Trail, southeastern Tilden Park in Berkeley Hills Comment
Read comments
Mar 22 2018
  UC25730  Salvia mellifera H. N. Bolander Apr 1866 6317 Contra Costa Mount Diablo Comment
  UC635692  Salvia mellifera A. E. Borell 1928-3-18 28 Contra Costa w slope Mt. Diablo Comment
  UC691509  Salvia mellifera Mary L. Bowerman 1930-6-5 240 Contra Costa 2.9 mi from Mount Diablo West road entrance (=North Road); Mount Diablo 274 Comment
  UC75018  Salvia mellifera unknown 1903-4-28 2945 Contra Costa Mitchell Canyon; Mt. Diablo Comment
  RSA434141  Salvia mellifera August Hartman 1960-4-19 s.n. Contra Costa South Gate Road, Mt. Diablo 305 Comment
  SEINET12273224  Salvia mellifera M. T. Doutt 1930-1 89 Contra Costa Marsh Creek Comment
  SEINET5570354  Salvia mellifera H. S. Gentry 1931-1 49 Contra Costa Collected near Buckle Point Mt. Diablo. Comment
  UC2055610  Salvia spathacea Mary Bowerman 1972-5-6 s. n. Contra Costa Pine Canyon, 1/4 mile up canyon from lowest reservoir. Comment
  UC2027930  Salvia spathacea Barbara Ertter with Dorothy Frantz 2001-5-10 17641 Contra Costa Diablo Foothills Regional Park, Pine Canyon a few hundred yards above check dam. Comment
  JEPS12714  Sambucus mexicana Katharine Brandegee 1907-6-16 Contra Costa Antioch Comment
  JEPS75505  Sambucus mexicana P. F. Yorks 1975-5-3 422 Contra Costa on Hampton Rd. ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  UC1125344  Sambucus mexicana R. W. Lundh 1932-9-22 165 Contra Costa Mount Diablo Mt. Diablo Quadrangle Comment
  UC570378  Sambucus mexicana Chas. M. Belshaw 1936-2-16 1593 Contra Costa 2 1/2 mi nne Orinda; Sobrante and Briones Hills, Briones Valley Comment
  UC691560  Sambucus mexicana Mary L. Bowerman 1930-8-31 452 a Contra Costa Curry Canyon Mount Diablo (Sloan Road) Comment
  CAS-BOT-BC223246  Sanicula bipinnata Brandegee No date on label s.n. Contra Costa Antioch Comment
  UCD127997  Sanicula bipinnata P. B. Kennedy 1927-4-10 s.n. Contra Costa Mount Diablo. Comment
  UCD127998  Sanicula bipinnata P. B. Kennedy 1925-4-26 s.n. Contra Costa Sycamore Canon Road, Mt. Diablo. Comment
  UC2028102  Sanicula bipinnatifida Barbara Ertter with Tony Morosco 1998-4-12 15981 Contra Costa Base of Mount Olympia on north side of Mount Diablo. Comment
  RSA0033930  Sanicula crassicaulis Barbara Ertter, Richard K. Brummitt 1998-5-6 16087 Contra Costa Lower Donner Canyon Road on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site. 304 Comment
  RSA0027881  Sanicula crassicaulis Barbara Ertter, Holly C. 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
  JEPS2845 Image available Sanicula saxatilis Edw. L. Greene 1892-6-1 Contra Costa Mt. Diablo Comment
  UC73326  Sanicula tuberosa Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  SEINET238194 Image available Sasa borealis Beecher Crampton 1966-10-18 7815 Contra Costa CULTIVATED ; Kensington Berkeley Hills Blake Garden UC Berkeley Dept. of landscape architecture. Comment
  UC570944  Saxifraga californica Herbert L. Mason 1926-3-7 2702 Contra Costa Mount Diablo Comment
  UC692474  Saxifraga californica Mary L. Bowerman 1931-3-7 554 Contra Costa Mount Diablo, South road below junction Mount Diablo Comment
  SEINET12220596  Saxifraga californica H. M. Hall 1901-1 1633 Contra Costa region of San Francisco Bay Comment
  UCSC000344  Saxifraga californica H. S. Yates 1936-3-14 5357 Contra Costa Mt. Diablo, Marsh Creek 381 Comment
  UC1795652  Scandix pecten-veneris Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13947 Contra Costa Mount Diablo State Park, grassy field along road at base of Mitchell Canyon. Comment
  UCD151158  Schedonorus arundinaceus James A. Neilson Jr. 1972-11-2 3552 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC111376  Schoenoplectus acutus var. occidentalis Virginia I. Dains; Walter Knight 1986-8-8 5479 Contra Costa Growing in tidal area, Jct Rock S1 & Werner Cut. Comment
  CAS-BOT-BC111484  Schoenoplectus americanus Barrett Anderson 1987-7-23 3561 Contra Costa Building site on San Pablo Road at Gerrity Creek, Pinole. 45 Comment
  UCD50093  Schoenoplectus americanus Walter Kinght 1977-6-10 s.n. Contra Costa Sand Creek near coal-mining site of Stewartville, Contra Costa Co. 158 Comment
  SD134082  Schoenoplectus californicus Walter Knight, Irja Knight 1977-6-18 Contra Costa On shore of San Joaquin River, Antioch sand dunes, Little Corral site. Growing in water at high tide. Comment
  RSA0026145  Schoenoplectus pungens var. pungens Barbara Ertter 1998-6-20 16239 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. 91 Comment
  UC1607653  Scirpus americanus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10709 Contra Costa near w end of Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina); Browns Island Comment
  CDA15265  Scirpus californicus G. F. Hrusa, D. Crowe 1998-5-8 14396 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  JEPS111886  Scirpus cernuus D. G. Kelch 2003-8-13 03 .120 Contra Costa Martinez Marsh 0 Comment
  JEPS111880  Scirpus koilolepis A. G. Murdock 2004-4-30 252 Contra Costa McEwen Road West side of road 130 Comment
  CDA39150  Scirpus maritimus D. G. Kelch 2003-8-13 3 .104 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  CDA39151  Scirpus maritimus A. G. Murdock 2004-5-28 300 Contra Costa Carquinez Strait; Luzon. Comment
  CDA39144  Scirpus microcarpus D. G. Kelch 2003-4-13 3 .137 Contra Costa Carquinez Strait; Pinole Creek. Comment
  UC2070541  Scleranthus annuus Barbara Ertter with Chris Thayer 2002-4-13 17827 Contra Costa North side of Mount Diablo. Comment
  UC2027718  Scrophularia californica Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15520 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  JEPS100143  Scrophularia californica subsp. californica G. Smick 2003-4-3 GAS 122 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS95254  Scutellaria californica Steve Edwards 1991-7-15 Contra Costa Siesta Valley, E side, N of Hwy. 24 Comment
  OBI75155  Senecio aronicoides David J. Keil 2011-5-29 31036 Contra Costa Mount Diablo State Park. Vicinity of Juniper Campground 900 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-BC327442  Senecio flaccidus var. douglasii Peter Rubtzoff 1951-10-7 824 Contra Costa Along lower San Joaquin River east of Antioch Comment
  CAS-BOT-BC327445  Senecio flaccidus var. douglasii Lewis S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  CDA18812  Senecio mikanioides R. M. Case 1999-12-2 PDR 1219291 Contra Costa Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd. and Dam Rd., vicinity of Orinda. 0 Comment
  CHSC23334  Senecio vulgaris Willis Ball 1975-2-23 435 Contra Costa Contra Loma Regional Park. In area #1. Ca. 25 yds e of restroom facilities at s end of lake. 30 Comment
  JEPS100173  Senecio vulgaris G. Smick 2003-3-25 GAS 84 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC407393  Senecio vulgaris Ira L. Wiggins 1930-4-18 4597 Contra Costa n end Jersey Island; n end Jersey Island Comment
  UC651289  Senecio vulgaris Ira L. Wiggins 1930-4-18 4597 Contra Costa n end Jersey Island Comment
  JEPS48275  Sequoia sempervirens W. L. Jepson 1919-1-25 8208 Contra Costa Upper San Leandro Creek by Moraga Ridge Upper San Leandro Creek, Moraga Ridge Comment
  UC2012980  Setaria viridis Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14921 Contra Costa Northwest base of Mt. Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  RSA0068491  Sherardia arvensis Katie Gallagher, Nick Jensen 2014-4-26 183 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  UC8497  Silene verecunda subsp. platyota Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UCR16901  Silybum marianum M. Wexler 1973-5-22 s.n. Contra Costa El Sobrante, across the street from the intersection of Jo-lin Ct. and Valley View Rd. 45 Comment
  UC10272  Sinapis alba F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CAS-BOT-BC74935  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island. Comment
  UC691260  Sinapis arvensis Mary L. Bowerman 1932-3-6 1106 Contra Costa immediately n of Blackhawk Ranch (Mount Diablo, Sycamore Canyon); Mount Diablo, Sycamore Canyon Comment
  SFV1416  Sinapis arvensis L. B. Hendrix 1962-4-22 21 Contra Costa Walnut Creek, Sun Valley Drive. Comment
  UC2028577  Sinapis arvensis Barbara Ertter, Holly Forbes 1997-4-20 15548 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UCD115663  Sisymbrium orientale Collector unknown Date unknown s.n. Contra Costa Contra Costa County. Comment
  JEPS75489  Sisyrinchium bellum P. F. Yorks 1974-4-28 139 Contra Costa 1.5 km s of Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve 160 Comment
  SEINET4061707  Sisyrinchium bellum M. W. Garcia 1960-1 60030 Contra Costa Collected on back of Tilden Park. 60 Comment
  JEPS112310  Solanum americanum D. G. Kelch 2004-5-2 04 .163 Contra Costa Crockett - Edwards Canyon Comment
  UC1618167  Solanum americanum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10879 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC570693  Solanum americanum H. L. Mason 1929-9-21 5445 Contra Costa 1 mi e of junction with road to Antioch (Bordon Highway); Bordon Highway Comment
  CAS-BOT-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
  CDA20181  Solanum elaeagnifolium A. Niang 2003-7-9 PDR 1406328 Contra Costa San Francisco Bay Area; Brentwood. 0 Comment
  POM280561  Solanum umbelliferum Lyman D. Benson 1931-3-18 2658 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC536676  Solanum umbelliferum Herbert L. Mason 1935-8-23 Contra Costa Cashion Canyon, Saint Mary's College Cashion Canyon; , Saint Mary's College Comment
  SEINET6186048  Solanum umbelliferum H. M. Hall 1901-4-5 s.n. Contra Costa Region of San Francisco Bay, Mt. Diablo 671 Comment
  UCD127020  Solanum umbelliferum Laurence S. Jones 1934-4-8 s.n. Contra Costa Mount Diablo. 609 Comment
  UC1999894  Solidago velutina subsp. californica J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9338 Contra Costa E of Berkeley, Berkeley Hills, Grizzly Peak Rd., disturbed area in formley [formerly] wooded slope N of road. Comment
  UC1795730  Soliva sessilis Barbara Ertter, Mary Bowerman et al. 1995-5-7 14041 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  UC697139  Soliva sessilis Mary L. Bowerman 1931-4-11 689 Contra Costa Pine Canyon , Pine Canyon (Mount Diablo) 121 Comment
  CAS-BOT-BC365801  Soliva sessilis Mary L. Bowerman 1931-4-11 689 Contra Costa Mount Diablo. Pine Canyon 121 Comment
  JEPS107075  Spartina densiflora Barbara Ertter, Rich Rabeler 1994-6-18 12835 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; beach on North side Whittell Marsh. Comment
  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
  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
  UC1563942  Spergularia macrotheca var. longistyla Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8113 Contra Costa 15 air mi sw of Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa County) Comment
  UC1950245  Spergularia macrotheca var. longistyla Barbara Ertter 1992-3-8 10907 Contra Costa Byron Springs Road 4-5 miles south of junction with J4, near Armstrong Road Comment
  UC1618134  Spergularia macrotheca var. macrotheca Barbara Ertter 1994-6-18 12836 Contra Costa at se corner of Whittell Marsh (at n end of Richmond, Point Pinole Regional Shoreline); Richmond, Point Pinole Regional Shoreline Comment
  UC1948956  Spergularia macrotheca var. macrotheca William J. Ferlatte, L. Maynard Moe 1970-4-27 1265 Contra Costa San Francisco Bay: Red Rock Island Comment
  CDA24135  Spergularia marina D. G. Kelch 2006-7-14 6 .328 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  UC2032850  Spergularia marina Doran, Andrew Scott 2012-3-20 721 Contra Costa Northeast part of Brooks Island, on trail to beach along spit. Comment
  JEPS99546  Spergularia rubra Mary Bowerman 1975-4-19 Contra Costa Mount Diablo, Mitchell Canyon. 256 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
  CHSC23016  Spergularia salina Robert A. Schlising 1962-4-7 2141 Contra Costa Coast Ranges. Field along Deer Valley Road, few mi S of Antioch. 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
  POM215114  Stachys ajugoides J. T. Howell 1932-10-16 10818 Contra Costa Near San Ramon. Comment
  JEPS112464  Stachys ajugoides var. rigida D. G. Kelch 2003-4-3 03 .364 Contra Costa Cummings Skyway 115 Comment
  UC691720  Stachys ajugoides var. rigida Mary L. Bowerman 1932-5-6 1430 Contra Costa Mitchell Canyon, at end of road Mount Diablo 251 Comment
  UC884280  Stachys ajugoides var. rigida Alice Eastwood 1915-5-30 Contra Costa Mt. Diablo Comment
  UCD125808  Stachys albens Malcolm A. Nobs; S. Galen Smith 1949-7-8 943 Contra Costa Otto's Black Bass Resort, 4 miles N of Kingston. Comment
  UC2055619  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  JEPS99599  Stellaria nitens Mary Bowerman 1978-4-19 Contra Costa Mount Diablo, Back Canyon Comment
  UC2028259  Stellaria pallida Barbara Ertter 1999-6-12 16721 Contra Costa Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek. Comment
  UC2028250  Stephanomeria elata Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16399 Contra Costa South side of Mount Diablo, South Gate Road 0.8 miles below entry kiosk. Comment
  SEINET11800583  Stephanomeria virgata L. S. Rose 1938-1 38308 Contra Costa Marsh Creek, 6 mi E of Clayton 152 Comment
  JEPS127235  Stipa pulchra Lowell Ahart, Josephine Guardino 2016-4-19 20793 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  SACT002407  Stipa setigera P. Kennedy 1914-3-15 Contra Costa Comment
  UC1492706  Streptanthus albidus subsp. peramoenus Freed W. Hoffman 1949-4-16 2762 Contra Costa 2 mi inside North Gate of Mt. Diablo State Park; Mt. Diablo 228 Comment
  UC592149  Streptanthus albidus subsp. peramoenus H. L. Mason 1928-4-26 4389 Contra Costa hillsides Berkeley hills Comment
  CAS-BOT-BC87098  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1942-7-19 17048 Contra Costa Northeast of Deer Flat, Mount Diablo. Comment
  CAS-BOT-BC87102  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-6-15 3136 Contra Costa Mount Diablo. Eagle Point ridge east of 2632. 762 Comment
  CAS-BOT-BC87332  Streptanthus hispidus John Thomas Howell 1941-4-6 16178 Contra Costa Ridge west of Deer Flat, Mount Diablo. Comment
  CAS-BOT-BC87337  Streptanthus hispidus R. Bacigalupi 1946-5-30 2782 Contra Costa Along auto road up Mount Diablo, about 0.5 mile below Juniper Camp. Comment
  CAS-BOT-BC87341  Streptanthus hispidus H. N. Bolander; Kellock M. D. s.n. Contra Costa Monte De Diablo. Comment
  UC2028421  Stuckenia pectinata Barbara Ertter 2000-9-30 17533 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch Comment
  UCD163490  Stuckenia striata D. Slakey; CNPS Volunteers 2015-9-12 223 Contra Costa Junction Suisun Bay and New York Slough, between Browns Island and Pittsburg Marina. 0 Comment
  UC2062677  Stuckenia striata Barbara Ertter 2005-8-15 18624 Contra Costa Antioch/Oakley Regional Shoreline, under south end of Antioch Bridge between Antioch and Oakley. Comment
  JEPS116497  Stylocline gnaphaloides J. Greenhouse with John Game 2008-5-26 5128 Contra Costa Lime Ridge Open Space, Paradise Canyon Trail above subdivision Comment
  CAS-BOT-BC375966  Stylocline gnaphaloides Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC422912  Stylomecon heterophylla Alice Eastwood 1921-4-18 10292 Contra Costa Antioch Comment
  UC50115  Stylomecon heterophylla J. Burtt Davy April 1897 Contra Costa Point Isabel Comment
  UC614558  Stylomecon heterophylla L. Constance, J. L. Morrison 1938-4-5 2193 Contra Costa nw base Mount Diablo (6 mi se of Walnut Creek); Coast Ranges, nw base of Mount Diablo Comment
  UC2062637  Stylomecon heterophylla Barbara Ertter with David Gowen, Mike Park 2004-4-13 18350 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, junction of Arata Overlook Trail and River View Loop Trail. Comment
  UC1238003  Suaeda moquinii John H. Weiler 1961-4-9 6173 Contra Costa 3 mi s Byron (e side of road) Comment
  RSA428933  Symphoricarpos albus var. laevigatus E. E. Stanford 1930-5-24 1509 Contra Costa Marsh Creek Canyon. Comment
  CDA33070  Symphyotrichum lentum D. G. Kelch 2010-10-5 10 .424 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  UCD163492  Symphyotrichum lentum D. Slakey; CNPS Volunteers 2015-9-12 225 Contra Costa Browns Island, northern part of Crooked Slough. 0 Comment
  CAS-BOT-BC98040  Symphyotrichum lentum John Thomas Howell 1978-9-5 53357 Contra Costa Pittsburg Marina Comment
  CAS-BOT-BC98332  Symphyotrichum subulatum var. parviflorum Walter Knight; W. Roderick; S. Edwards 1978-9-19 3255 Contra Costa Browns Island, South Landing Comment
  CAS-BOT-BC211591  Tamarix Walter Knight 1978-10-4 3316 Contra Costa Browns Island, near old homestead site. Comment
  CAS-BOT-BC211562  Tamarix parviflora Walter Knight 1979-4-13 3358 Contra Costa Browns Island, old homestead site adjacent to Point Emmett 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
  UC2070603  Tamarix parviflora Barbara Ertter 2002-8-24 Contra Costa Old homestead north of Perkins Canyon mouth at NE base of Mount Diablo. Comment
  UC764060  Taraxia ovata R. F. Hoover 1938-2-21 2755 Contra Costa Point Richmond Comment
  UC692478  Tetrapteron graciliflorum Mary L. Bowerman 1935-4-26 2907 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC692143  Thalictrum fendleri var. polycarpum Mary L. Bowerman 1935-6-15 3135 Contra Costa on banks of stream Mount Diablo, Mitchell Canyon 640 Comment
  CAS-BOT-BC88248  Thysanocarpus curvipes Alice Eastwood 1915-5-30 4554 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC88256  Thysanocarpus curvipes Katharine Brandegee 1907-5-1 s.n. Contra Costa Antioch. Comment
  UC11026  Thysanocarpus curvipes J. Burtt Davy 1895-4-7 886 Contra Costa Antioch Comment
  UC117265  Thysanocarpus curvipes unknown Contra Costa Antioch; Epperson's Comment
  UC1543083  Thysanocarpus curvipes Donald G. Nelson 1937-4-24 519 Contra Costa Marsh Creek Road just after making direct turn s from canyon; Marsh Creek Road just after making direct turn s from canyon Comment
  UC117285  Thysanocarpus laciniatus C. F. Baker 1903-4-28 2809 Contra Costa Mt. Diablo; Mt. Diablo, Mitchell's Canyon Comment
  UC691140  Thysanocarpus laciniatus Mary L. Bowerman 1931-5-7 805 Contra Costa North Peak ridge Mount Diablo (slightly n of crest, Mount Diablo); , North Peak ridge Comment
  UC691141  Thysanocarpus laciniatus Mary L. Bowerman 1931-3-8 564 Contra Costa w slope of Mitchell Canyon near mouth Mount Diablo (Mount Diablo); , w slope of Mitchell Canyon Comment
  UC10983  Thysanocarpus laciniatus W. H. Brewer 1862-5-14 1097 Contra Costa dry rocky spurs Mount Diablo Comment
  CDA33815  Tonella tenella D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .112 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  JEPS111507  Torilis arvensis D. G. Kelch 2005-5-13 05 .269 Contra Costa Martinez - South Tall hill in South Martinez and North of I-4 96 Comment
  UC1818959  Torilis arvensis Barbara Ertter, Kristin Ertter 1995-7-11 14480 Contra Costa Pine Creek on West side of Mt. Diablo southwest of Walnut Creek; partial shade of oak forest, road along Pine Cr. in Diablo Foothills Regional Park 152 Comment
  UC2027969  Torilis arvensis Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15661 Contra Costa North base of Mount Diablo, lower end of Mitchell Canyon. Comment
  CAS-BOT-BC172934  Toxicodendron diversilobum John Thomas Howell 1933-5-14 11289 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC172936  Toxicodendron diversilobum Alice Eastwood 1915-5-30 4551 Contra Costa Mt. Diablo Comment
  JEPS63921  Toxicodendron diversilobum W. L. Jepson 1922-5-15 9643 Contra Costa N. Berkeley Hills Comment
  UC1130477  Toxicodendron diversilobum R. C. Wilson 1935-2-26 107 Contra Costa 1 mi. s.w. Nortonville; Mt. Diablo Quad. Comment
  UC2012949  Tribulus terrestris Barbara Ertter with CNPS Volunteers 1990-9-16 9643 Contra Costa NE Contra Costa Co. Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Regional Area. Comment
  JEPS63121  Trichostema lanceolatum W. L. Jepson 1895-9-14 14880 Contra Costa Lafayette Comment
  RSA69005  Trientalis latifolia F. W. Peirson 1926-4-10 6635 Contra Costa San Pablo Reservoir Comment
  JEPS65687  Trifolium albopurpureum W. L. Jepson 1923-4-22 9860 Contra Costa Mount Diablo Comment
  UC555621  Trifolium albopurpureum H. L. Mason 1929-3-29 5130 Contra Costa 2 mi above Clyton Rd (Marsh Creek Rd) Comment
  JEPS65688  Trifolium albopurpureum var. albopurpureum W. L. Jepson 1917-4-14 6860 Contra Costa Oakland Hills Comment
Read comments
Dec 17 2008
  UC1129956  Trifolium albopurpureum var. albopurpureum C. M. Belshaw 1936-5-8 2056 Contra Costa Mt. Diablo Mt. Diablo Quadrangle 990 Comment
  UC165553  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-1 956 Contra Costa Antioch Comment
  JEPS99529  Trifolium albopurpureum var. dichotomum Mary L. Bowerman 1978-5-4 Contra Costa Mount Diablo. Jim White Trail from Juniper Camp to Deer Flat before saddle. Comment
  UC16499  Trifolium albopurpureum var. dichotomum Maclean Contra Costa Mt. Diablo Comment
  UC16500  Trifolium albopurpureum var. dichotomum W. H. Brewer 1862-5-16 1114 Contra Costa n Kirker's Pass Comment
  UC630752  Trifolium albopurpureum var. dichotomum unknown Sep 1907 Contra Costa Antioch Comment
  JEPS107124  Trifolium albopurpureum var. olivaceum Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14225 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 air-mile north of Curry Point. 487 Comment
  RSA91071  Trifolium albopurpureum var. olivaceum Alice Eastwood, John T. Howell 1936-4-19 2132 Contra Costa Nortonville. Comment
  UC16604  Trifolium albopurpureum var. olivaceum W. H. Brewer 1862-5-19 1111 Contra Costa n Kirker Pass Comment
  UC630759  Trifolium albopurpureum var. olivaceum P. B. Kennedy 1925-4-26 Contra Costa above old rd to reservoir; Mt. Diablo Comment
  JEPS123455  Trifolium angustifolium Zoya Akulova-Barlow 2011-4-29 s.n. Contra Costa Wildcat Canyon Regional Park. Belgium Trail. Comment
  UC2028082  Trifolium bifidum Barbara Ertter, Tony Morosco 1998-4-12 15987 Contra Costa Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail. Comment
  POM194562  Trifolium bifidum var. decipiens Ynez Mexia 1929-4-21 2375 Contra Costa Moraga Valley Comment
  UC146899  Trifolium ciliolatum Katharine Brandegee may 1907 Contra Costa Antioch Comment
  UC400158  Trifolium ciliolatum Ynes Mexia 1929-4-21 2373 Contra Costa Moraga Valley Comment
Read comments
Aug 31 2007
  POM300693  Trifolium ciliolatum Mary L. Bowerman 1933-5-11 2082 Contra Costa Inner Black Hills east of South Road. 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
  UC165565  Trifolium depauperatum var. amplectens Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC165576  Trifolium depauperatum var. amplectens J. Burtt Davy 1895-1 993 Contra Costa Antioch Comment
  UC1561224  Trifolium depauperatum var. depauperatum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8139 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay) 0 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
  UC165577  Trifolium depauperatum var. truncatum J. Burtt Davy 1895-1 938 Contra Costa Antioch Comment
  UC1795892  Trifolium depauperatum var. truncatum Barbara Ertter, Mary Bowerman et al. 1995-5-7 14046 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  UC683346  Trifolium depauperatum var. truncatum Edw. L. Greene 1895-4-7 Contra Costa near Antioch Comment
  UC692647  Trifolium depauperatum var. truncatum Mary L. Bowerman 1932-3-23 1125 Contra Costa betw Monument and Concord (Oak Grove School junction); Mount Diablo Comment
  JEPS65884  Trifolium fucatum E. L. Greene 1889-3-25 Contra Costa Byron Comment
  UC16534  Trifolium fucatum W. H. Brewer 1862-4-30 1006 Contra Costa Camp 69 Walnut Creek Comment
  UC33446  Trifolium fucatum Jos. Burtt Davy 1895-4-13 999 Contra Costa Lafayette Comment
  UC70194  Trifolium fucatum J. Burtt Davy 1898-5-1 Contra Costa Region of Mount Diablo, Danville Danville; Region of Mount Diablo, Danville Comment
  UCD109005  Trifolium fucatum P. B. Kennedy 1928-4-15 10056 Contra Costa Pinehurst. Comment
  UC2027836  Trifolium glomeratum Barbara Ertter, Mary Bowerman 2001-4-28 17619 Contra Costa Clayton Ranch (East Bay Regional Parks) on north side of Marsh Creek Road east of Mount Diablo. Comment
  LA205246  Trifolium gracilentum John Thomas Howell; 1933-5-14 11264 Contra Costa E of St. Mary's College Comment
  UC16558  Trifolium gracilentum W. H. Brewer 1862-4-24 989 Contra Costa Camp 68 Martinez Comment
  UC631032  Trifolium gracilentum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC692691  Trifolium gracilentum Mary L. Bowerman 1932-4-27 1389 Contra Costa w Riggs Canyon (Oyster ridge, s face of canyon); Mount Diablo Comment
  JEPS65906  Trifolium gracilentum var. gracilentum W. L. Jepson 1925-4-26 10688 Contra Costa Black Hills Mt. Diablo Comment
  JEPS21821  Trifolium hirtum A. M. Craig 1958-5-19 Contra Costa e West Contra Costa Junior College (hills); San Pablo 30 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
  JEPS21830  Trifolium incarnatum A. M. Craig 1958-5-19 Contra Costa e West Contra Costa Junior College (San Pablo) 30 Comment
  UC1197238  Trifolium macraei J. P. Tracy 1900-3-24 623 Contra Costa 50 ft Point Richmond Comment
  UC555619  Trifolium macraei H. L. Mason 1928-4-13 4303 Contra Costa Richmond waterfront Comment
  UC631555  Trifolium microcephalum P. B. Kennedy 1925-4-25 Contra Costa rd to Sycamore Canyon; Mt Diablo Comment
  UC692643  Trifolium microcephalum Mary L. Bowerman 1935-4-19 2871 Contra Costa ca 7 mi w entrance (Northgate) (by rd, ridge w of the power poles, above the rd junction); Mount Diablo 670 Comment
  UC1130084  Trifolium microdon C. M. Belshaw 1936-5-7 2043 Contra Costa 2 mi s San Ramon; Mt. Diablo quadrangle 274 Comment
  UC692255  Trifolium microdon Mary L. Bowerman 1933-5-17 2111 Contra Costa due s Olafson's barn (branch of Curry Canyon, on ridge between the two forks of the canyon); Mount Diablo Comment
  UC2029052  Trifolium oliganthum Barbara Ertter 2000-3-30 16904 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1.5 miles from trailhead. Comment
  UC2029059  Trifolium subterraneum Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18159 Contra Costa Secret Trail at head of Pine Canyon, west side of Mount Diablo Comment
  UC16787  Trifolium variegatum Ivar Tidestrom 1893-4-15 Contra Costa Sheep Island Comment
  UC2028286  Trifolium variegatum var. variegatum Barbara Ertter 1998-6-20 16237 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. 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
  JEPS4355  Trifolium willdenovii W. L. Jepson 1925-4-26 10691 Contra Costa Mt. Diable Comment
  JEPS70759  Trifolium willdenovii L. R. Heckard 1971-4-22 2493 Contra Costa e Pinole (rr grade near US Hwy 80 crossing) Comment
  UC16751  Trifolium willdenovii W. H. Brewer 1862-5-23 1151 Contra Costa se Mt. Diablo Comment
  UC55884  Trifolium willdenovii H. M. Hall 1901-3-17 1656 Contra Costa Point Richmond Canyon Comment
  UC692646  Trifolium willdenovii Mary L. Bowerman 1933-5-11 2083 Contra Costa Inner Black Hills Mount Diablo Comment
  UC725897  Trifolium willdenovii A. A. Heller 1938-4-9 15017 Contra Costa 3 mi sw Antioch (from type region) Comment
  POM300698  Trifolium willdenovii Mary L. Bowerman 1933-5-11 2083 Contra Costa Inner Black Hills: Grassy ridge, west end. Comment
  RSA91555  Trifolium willdenovii J. T. Howell 1933-5-14 11231 Contra Costa St. Mary's College. Comment
  JEPS112458  Triglochin striata D. G. Kelch 2003-8-13 03 .116 Contra Costa Martinez Marsh 0 Comment
  UC2028290  Trillium chloropetalum Barbara Ertter with Dan Norris 1998-6-18 16227 Contra Costa Junction of W Fork Sycamore Creek (= Madrone Canyon) and Sycamore Creek Road. Comment
  UCD139902  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  SEINET3888793  Trillium ovatum Clayton Newberry 1994-3-12 7162 Contra Costa North Coastal Range Forest. Huckleberry Regional Preserve, Skyline Trail.; 0 244 Comment
  SEINET10534314  Trillium ovatum John G. Lemmon Lemmon s.n. Contra Costa Comment
  POM300987  Triodanis biflora Mary L. Bowerman 1933-5-18 2130 Contra Costa Mount Diablo. Comment
  SEINET10458812  Triodanis biflora Joseph W. Congdon 1896-5-30 Congdon s.n. Contra Costa Mount Diablo Comment
  JEPS126600  Triphysaria pusilla Lowell Ahart, Josephine Guardino 2016-4-19 20780 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quadrangle. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Comment
  JEPS65194  Triphysaria pusilla L. R. Heckard 1971-4-15 2473 Contra Costa along Morgan Territory road 7 mi n of its intersection with Manning road e Mt. Diablo; e of Mt. Diablo 487 Comment
  UC1861821  Triphysaria pusilla Barbara Ertter, Lisa Schultheis 1995-4-27 14002 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; at end of Arbolado Dr. 121 Comment
  SEINET238875 Image available Trisetum canescens Beecher Crampton 1956-5-14 3423 Contra Costa 2 miles west of Martinez on road to Crockett. Comment
  CAS-BOT-BC526331  Triteleia laxa James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  SEINET3889041  Triteleia laxa John Thomas Howell 1931-5-12 6468 Contra Costa Oakland Hills.; 0 Comment
  JEPS100033  Triticum aestivum S. O'Neil 2003-5-8 SEO 32 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS17167  Tropidocarpum capparideum S. Galen Smith and Donald Stone 1957-3-30 2867 Contra Costa 3 mi se Byron (far western end of field just n of the Holey Road); Byron Road 5 Comment
  UC11058  Tropidocarpum capparideum J. Burtt Davy 1896-2-29 1262 Contra Costa Clayton Comment
  UC673302  Tropidocarpum gracile H. L. Mason 1932-3-20 6842 Contra Costa Antioch sand hills Comment
  UC673305  Tropidocarpum gracile H. L. Mason 1929-3-31 5152 Contra Costa sand dike along river at Antioch; San Joaquin River Comment
  POM204031  Tropidocarpum gracile L. S. Rose 1934-3-21 34066 Contra Costa 6 mi E of Clayton. Comment
  CAS-BOT-BC73895  Turritis glabra Mary L. Bowerman 1932-5-6 1431 Contra Costa Mitchell Canyon. At end of road. 251 Comment
  UC2028231  Ulmus minor Barbara Ertter 1998-11-15 16465 Contra Costa North side Mount Olympia on north side Mount Diablo. Comment
  CAS-BOT-BC91089  Umbellularia californica Mrs. H. C. Cantelow 1937-2-22 s.n. Contra Costa Mount Diablo. Comment
  CAS-BOT-BC91092  Umbellularia californica Annetta Carter 1937-3-20 1224 Contra Costa Lake Orinda Road, two miles northwest of Orinda. 121 Comment
  CDA24512  Umbellularia californica D. G. Kelch 2007-3-24 7 .082 Contra Costa Carquinez Strait; Ozol; between Port Costa and Martinez, near old brick quarry. Comment
  JEPS75485  Umbellularia californica P. F. Yorks 1974-2-3 108 Contra Costa 1.6 km s of Bear Creek Road (n of Briones Reservoir on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 170 Comment
  SEINET3559460 Image available Umbellularia californica Lewis S. Rose 1933-10-22 33386 Contra Costa Wildcat Canyon. Comment
  UC1177379  Umbellularia californica Peter H. Raven 1950-2-19 1353 Contra Costa above Canyon Grocery at ne end of Moraga Ridge Moraga Ridge 213 Comment
  UC691944  Umbellularia californica Mary L. Bowerman 1931-2-8 514 Contra Costa Summit of Mount Diablo Mount Diablo Comment
  CAS-BOT-BC381826  Uropappus lindleyi Alice Eastwood 1923-5-4 11727 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC381830  Uropappus lindleyi Alice Eastwood 1921-4-18 10291 Contra Costa Antioch Comment
  JEPS36207  Uropappus lindleyi W. L. Jepson 1922-5-23 9669 Contra Costa n slope Mt. Diablo; n slope Mt. Diablo Comment
  UC691799  Uropappus lindleyi Mary L. Bowerman 1933-6-3 2242 Contra Costa Ransom Point Ridge , Ransom Point Ridge (Mount Diablo) Comment
  CAS-BOT-BC381824  Uropappus lindleyi Paul F. Covel 1938-5-8 9 Contra Costa Mt. Diablo - So. slope Comment
  RSA0024903  Urtica Peter Rubtzoff 1968-9-18 5963 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  CAS-BOT-BC403927  Urtica dioica subsp. gracilis Joseph Andorfer Ewan 1934-1-14 8160 Contra Costa Wildcat Canyon, one mile below ranch house Comment
  UCR142707  Urtica dioica subsp. holosericea Joseph A. Ewan 1933-10-15 8018 Contra Costa San Francisco Bay Region, South West slope of Mount Diablo 1159 Comment
  UCSB21670  Vaccinium ovatum Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, east of Berkeley 274 Comment
  UC1124419  Verbena lasiostachys var. scabrida H. S. Yates 1934-9-2 4069 Contra Costa 1 mi sw Mt Diablo; Mt Diablo Quadrangle Comment
  UC1819009  Verbena lasiostachys var. scabrida Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14231 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  RSA128371  Verbena robusta Peter H. Raven 1950-7-5 2489 Contra Costa Mt Diablo. 396 Comment
  CDA5675  Verbena venosa R. DeBoer 1965-9-3 Contra Costa 4536 Elmwood Road, El Sobrante . 0 Comment
  CDA33884  Verbesina encelioides subsp. encelioides Slattengren 2010-10-26 PDR# 1454172 Contra Costa Oakely; 31 Delta Rd. 0 Comment
  JEPS18890  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with G. Thomas Robbins 1956-3-26 5524 Contra Costa 1.2 mi n of junction with Marsh Creek Road ( just n of Briones Valley, along the Deer Valley Road, in territory just s of Antioch,); Deer Valley Road 76 Comment
  UC2028187  Veronica peregrina subsp. xalapensis Barbara Ertter 1998-5-3 16056 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  CHSC21626  Veronica serpyllifolia subsp. serpyllifolia Willis Ball 1975-3-26 510 Contra Costa Contra Loma Regional Park. In area #1. On s side of lake ca. 50 yds e of restroom facilities. 30 Comment
  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
  CDA23620  Vicia americana D. G. Kelch, D. A. Weinstein 2008-4-15 8 .041 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  UC1130189  Vicia americana var. americana C. M. Belshaw 1936-5-12 2109 Contra Costa 3.7 mi ene Tassajero; Mt. Diablo Quad. 670 Comment
  UC692267  Vicia americana var. americana Mary L. Bowerman 1933-5-17 2115 Contra Costa branch of Curry Canyon Mount Diablo, Curry Canyon (e face of ridge between two forks, due s of Olafson's barn) Comment
  UC74935  Vicia americana var. americana unknown 1903-4-27 2793 Contra Costa Byron Comment
  UC16943  Vicia americana var. americana H. P. Chandler 1900-3-17 Contra Costa Wildcat Canyon; Berkeley Hills Comment
  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
  CDA15256  Vicia sativa subsp. sativa G. F. Hrusa, D. Crowe 1998-5-8 14387 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  UC1618355  Vicia sativa subsp. sativa Barbara Ertter 1993-4-2 11475 Contra Costa along railroad w of Crockett (at w end of Carquines Strait, San Pablo Bay); San Pablo Bay, Carquines Strait Comment
  UC2027991  Vicia sativa subsp. sativa Barbara Ertter with Tony Morosco 1998-4-12 16027 Contra Costa Quarry road at base of Mount Olympia, north side of Mount Diablo. Comment
  JEPS107126  Vicia villosa subsp. varia Barbara Ertter, Mary Bowerman 1995-6-11 14250 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo; near Indian Valley School entrance (planted Clarkia also present). 91 Comment
  CDA15257  Vicia villosa subsp. villosa G. F. Hrusa, D. Crowe 1998-5-8 14388 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  JEPS111633  Vinca major D. G. Kelch 2005-5-13 05 .255 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  SJSU2616  Viola pedunculata W. E. Ferguson 1942-4-25 Contra Costa E base of Mt Diablo 304 Comment
  UC581518  Viola pedunculata A. E. Borell 1928-4-8 153 Contra Costa Mount Diablo Comment
  UC692625  Viola pedunculata Mary L. Bowerman 1931-3-22 608 Contra Costa at end of e fork of Alamo Creek; Mount Diablo, Alamo Creek Comment
  JEPS48868  Viola purpurea subsp. purpurea Elsa Kraeger 1926-3-7 Contra Costa on road e of summit of Mount Diablo Comment
  JEPS50410  Viola purpurea subsp. quercetorum Mary Bowerman 1933-5-12 Contra Costa Mount Diablo Comment
  CAS-BOT-BC203036  Vitis californica Bonnie Templeton 1962-6-10 s.n. Contra Costa Mt. Diablo Comment
  UC692390  Vulpia bromoides Mary L. Bowerman 1935-5-16 3008 a Contra Costa e side North Peak, Mount Diablo (behind Gabriel-Hinks'); Mount Diablo 289 Comment
  UC692391  Vulpia bromoides Mary L. Bowerman 1931-4-11 692 a Contra Costa Pine Canyon Mount Diablo (Mount Diablo) 121 Comment
  UC691233  Vulpia microstachys var. ciliata Mary L. Bowerman 1935-5-3 2950 Contra Costa hillside below Jungle of the Garden Gods (Rock City Ridge); Mount Diablo, Rock City Ridge 487 Comment
  UC691236  Vulpia microstachys var. ciliata Mary L. Bowerman 1935-5-22 3050 Contra Costa saddle w Twin Peaks (Eagle Point ridge); Mount Diablo Comment
  UCD93808  Vulpia microstachys var. ciliata Beecher Crampton 1956-5-14 3407 Contra Costa southern boundary of Mt. Diablo State Park. Comment
  CAS-BOT-BC183936  Vulpia microstachys var. microstachys John Thomas Howell 1942-5-24 16963 Contra Costa Near Deer Flat, Mt. Diablo Comment
  CAS-BOT-BC184193  Vulpia microstachys var. pauciflora Mary L. Bowerman 1932-5-6 1428 Contra Costa Mitchell Canyon 251 Comment
  UC691237  Vulpia microstachys var. pauciflora Mary L. Bowerman 1933-5-8 2009 a Contra Costa near Fossil Ridge crest (on n side of road to picnic grounds); Mount Diablo Comment
  UC766878  Vulpia microstachys var. pauciflora R. F. Hoover 1939-4-13 4021 Contra Costa w branch Head of Markley Canyon Comment
  UCD94498  Vulpia microstachys var. pauciflora Beecher Crampton 1956-5-14 3390 Contra Costa just east of old Nortonville, 7 miles southwest of Antioch. Comment
  CAS-BOT-BC184194  Vulpia microstachys var. pauciflora Peter H. Raven; G. Thomas Robbins 1956-4-28 9041 Contra Costa Near Arlington Ave. and Kennelworth [Kenilworth] Drive, just south of El Cerrito Comment
  UCD36925  Vulpia microstachys var. pauciflora Beecher Crampton 1956-5-14 3414 Contra Costa 0.5 mile northwest of Martinez, along road to Crockett. Comment
  SEINET191101 Image available Vulpia myuros f. megalura A. A. Beetle 1722 Contra Costa Near Orinda Comment
  UC1024730  Vulpia myuros var. hirsuta Leo Whitney 1935-4-21 3063 Contra Costa Corral Hollow Comment
  UC606725  Vulpia myuros var. hirsuta Edward Lee 1936-4-19 1979 B Contra Costa e shore Red Rock; San Francisco Bay Comment
  CHSC21608  Vulpia myuros var. myuros Willis Ball 1975-3-2 453 Contra Costa Contra Loma Regional Park. In area #4. Ca. 50 yds. s of dam on the e side of the lake. 30 Comment
  UC606729  Vulpia myuros var. myuros Edward Lee 1936-4-19 1950 Contra Costa ne shore Red Rock; San Francisco Bay Comment
  UC692310  Vulpia octoflora var. hirtella Mary L. Bowerman 1932-4-27 1384 Contra Costa canyon w Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  JEPS102912  Wyethia angustifolia Lisa Schultheis 1995-5-18 160 -95 Contra Costa Wall Point Trail before connector to Stage Road Mount Diablo Comment
  UC485127  Wyethia angustifolia Ira J. Condit 1913-4-19 Contra Costa Richmond Annex Comment
  CAS-BOT-BC383293  Wyethia glabra Mary L. Bowerman 1935-5-22 3047 Contra Costa Mount Diablo. Eagle Point ridge, canyon at north end which heads into saddle west of Twin Peaks 350 Comment
  UC2028578  Wyethia glabra Barbara Ertter, Holly Forbes 1997-4-20 15552 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  CAS-BOT-BC383368  Wyethia helenioides John Thomas Howell 1933-5-14 11287 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC383369  Wyethia helenioides John Thomas Howell 1933-5-14 11288 Contra Costa Hills east of St. Mary's College Comment
  OBI75159  Wyethia mollis David J. Keil 2011-5-29 31037 Contra Costa Mount Diablo State Park. Off Deer Flat Road Comment
  CAS-BOT-BC383660  Xanthium spinosum E. M. Zeile 1921-9-17 1109 Contra Costa Rodeo Comment
  CAS-BOT-BC383662  Xanthium spinosum D. E. Breedlove 1969-10-18 16713 Contra Costa Along the road bank on Reliez Valley Road at the junction with Gloria Terrace; Lafayette Comment
  UC2028987  Yabea microcarpa Barbara Ertter 2000-5-14 17008 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. Comment
  UC1606356  Zannichellia palustris Barbara Ertter, Lynne Hosley 1991-9-22 10826 Contra Costa Lafayette Reservoir in hills sw Lafayette (se side of Lafayette Reservoir); se side of Lafayette Reservoir 137 Comment
  JEPS128390  Zeltnera davyi Kevin Hintsa 2000-6-6 Contra Costa Mount Diablo State Park, Wall Point Road (100 yards west of Rock City). Comment



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