Search Results — 2000 specimen records retrieved (1355 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=CONTRA COSTA; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1357059  Abies bracteata Rimo Bacigalupi 1960-4-4 7360 Contra Costa w slopes of upper Wildcat Canyon (on short side of road to the corporation yard.); Tilden Regional Park, Berkeley Hills 297 Comment
  SD45086  Acacia verticillata W. W. Jones 1927-6-2 Contra Costa Crockett Comment
  SD45087  Acacia verticillata W. W. Jones 1927-4-5 Contra Costa Crockett Comment
  RSA113974  Acer macrophyllum Peter H. Raven 1957-4-11 10621 Contra Costa Curry Canyon 3.4 miles south of Recreation Ground Comment
  UC1050967  Acer macrophyllum N. Floy Bracelin 1941-4-8 2647 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SBBG27297  Acer negundo A. Carter 1937-3-28 1227 Contra Costa Moraga Valley, 2.5 mi N of Moraga 182 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
  UC588153  Acer negundo var. interior Annetta Carter 1937-3-28 1227 Contra Costa 2 1/2 mi n Moraga (Moraga Valley); , Creek bank, n of Moraga 182 Comment
  CAS-BOT-BC21713  Achillea millefolium Mary L. Bowerman 1930-6-3 238 Contra Costa Mount Diablo: West road 1.9 miles from entrance Comment
  CDA29142  Achillea millefolium D. G. Kelch 2006-5-7 6 .148 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC691726  Achillea millefolium Mary L. Bowerman 1931-4-25 751 Contra Costa 2 mi by road from Mt. Diablo West Entrance; Mount Diablo Comment
  CDA299  Achyrachaena mollis D. G. Kelch, A. G. Murdock 2005-5-6 5 .23 Contra Costa Carquinez Strait Region; Franklin Canyon. East of Christie Road. South of Route 4. 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
  CAS-BOT-BC29883  Achyrachaena mollis Alice Eastwood 1914-1-1 s.n. Contra Costa unspecified Comment
  CAS-BOT-BC29888  Achyrachaena mollis Paul F. Covel 1938-4-18 s.n. Contra Costa Altamont Pass Comment
  UCD128425  Achyrachaena mollis L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace, San Pablo. Comment
  JEPS112327  Acmispon americanus Dean G. Kelch and Andrew G. Murdock 2004-7-16 04 .321 Contra Costa Martinez- South; County: Contra Costa; Pine St. Entrance Rte 4 heading west. Martinez, CA. Comment
  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
  RSA0068490  Acmispon brachycarpus Katie Gallagher, Nick Jensen 2014-4-26 184 Contra Costa Las Trampas Regional Wilderness. 396 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
  UC2028996  Acmispon wrangelianus Barbara Ertter 2000-3-30 16913 Contra Costa North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road. Comment
  CDA35657  Acroptilon repens Vince Guise 2011-8-2 PDR# 1649692 Contra Costa Discovery Bay; southwest corner of Discovery Bay Blvd. and Clipper Dr. 0 Comment
  UC905259  Actaea rubra J. A. Rattenbury 1949-3-10 129 Contra Costa 1/2 mi. e. Oakland Tunnel (on s. side of hwy. above creek) 243 Comment
  UCSB29426  Actaea rubra Havlik, Neil 1969-7-3 Contra Costa along Grizzly Pk. Trail on the northeast slope of Grizzly Pk., Berkeley Hills 426 Comment
  SBBG21358  Adenostoma fasciculatum var. fasciculatum V. Haraden 1941-7-18 16 Contra Costa NE slope near Nortonville 121 Comment
  CDA42502  Adiantum jordanii D. G. Kelch 2005-1-21 5 .006 Contra Costa Carquinez Strait; Crockett. Along railroad tracks in West Valona across from decommissioned sewage treatment plant. Comment
  JEPS40101  Aesculus californica W. L. Jepson 1923-6-10 9984 Contra Costa Mt. Diablo Comment
  LA205595  Aesculus californica J. A. Ewan; 1936-5-31 9715 Contra Costa Wildcat Creek Comment
  OBI62809  Aesculus californica John Osborne 1970-11-21 11 Contra Costa 3173 Somerset Dr., Lafayette 76 Comment
  CAS-BOT-BC29520  Agoseris apargioides R. E. Frenkel 1964-6-20 595 Contra Costa On Giant Road at its junction with Atlas Road, Richmond 16 Comment
  UCD128633  Agoseris apargioides Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  UCD128588  Agoseris grandiflora P. B. Kennedy 1916-5-11 s.n. Contra Costa Grand View Terrace; Richmond District. 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
  UCD36920  Agoseris grandiflora Beecher Crampton 1956-5-14 3400 Contra Costa Mount Diablo, south of Windy Point. Comment
  CAS-BOT-BC15428  Agoseris grandiflora var. grandiflora Alice Eastwood 1923-5-4 11736 Contra Costa Mt. Diablo Comment
  JEPS36323  Agoseris grandiflora var. grandiflora W. L. Jepson 1922-5-26 9674 Contra Costa grassy hills North Berkeley Hills Comment
  UC202932  Agoseris grandiflora var. grandiflora Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  UC29367 Image available Agoseris grandiflora var. grandiflora Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Mt. Diablo Comment
  UC400161  Agoseris grandiflora var. grandiflora Ynes Mexia 1929-4-21 2370 Contra Costa in open fields of grass Moraga Valley Comment
  CAS-BOT-BC22973  Agoseris heterophylla Mary L. Bowerman 1933-5-8 2013 Contra Costa Mt. Diablo. Fossil Ridge near crest, north side by side road. Comment
  UC517466  Agoseris heterophylla var. heterophylla J. Thomas Howell 1933-5-14 11260 Contra Costa hills east of St. Mary's College Comment
  CAS-BOT-BC13348  Agoseris retrorsa LeRoy Abrams 1921-5-25 8030 Contra Costa Summit Mount Diablo Comment
  UC2028508  Agrostis avenacea Barbara Ertter with Tony Morosco 1998-9-18 16425 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, north quarry area [subsequently developed] Comment
  UC692381  Agrostis exarata Mary L. Bowerman 1933-8-26 2413 Contra Costa at and below Lower Canyon Spring; Mount Diablo 975 Comment
  UC692410  Agrostis exarata Mary L. Bowerman 1933-9-9 2434 Contra Costa edge of spring Mount Diablo, Frog Pond 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
  CDA31461  Agrostis pallens D. G. Kelch 2006-5-27 6 .217 Contra Costa Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge. Comment
  UC606759  Agrostis pallens Edward Lee 1936-4-19 2008 Contra Costa ne slope of island San Francisco Bay, Red Rock Comment
  UC2028522  Aira caryophyllea Barbara Ertter 1997-9-14 15810 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon. Comment
  UC2028387  Aira caryophyllea var. caryophyllea Barbara Ertter 1998-6-20 16257 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Costanoan Trail on north side of central ridge, edge of road through woodland Comment
  RSA720795  Aira caryophyllea var. cupaniana Mary L. Bowerman 1995-5-28 s.n. Contra Costa Mount Diablo. Knoll, N. of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire rd. 305 Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  RSA14970  Allium falcifolium L. S. Rose 1935-5-16 35164 Contra Costa Mt. Diablo. Comment
  RSA26408  Allium falcifolium J. T. Howell 1941-4-6 16179 Contra Costa Ridge east of Deer Park, Mt. Diablo Comment
  UC185478  Allium peninsulare var. peninsulare Katharine Brandegee May 1907 Contra Costa Antioch Comment
  JEPS47586  Allium serra W. L. Jepson 1943-5-27 20841 Contra Costa n side of Black Hills Mt. Diablo, Black Hills Comment
  UC767477  Allium serra R. F. Hoover 1938-3-5 2818 Contra Costa mouth of Kirker Creek canyon Kirker Creek canyon Comment
  CAS-BOT-BC475529  Allium serra Alice Eastwood 1922-5-21 11321 Contra Costa Arroya del Valle near Livermore Comment
  CAS-BOT-BC475531  Allium serra Alice Eastwood; John Thomas Howell 1936-4-19 2135 Contra Costa Nortonville Comment
  CAS-BOT-BC475540  Allium serra E. M. Zeile 1922-6-3 s.n. Contra Costa Mount Diablo Comment
  UC2013015  Allium serra Barbara Ertter 1991-5-5 9782 Contra Costa Black Diamond Mines Regional Preserves S of Pittsburg, N-facing slope below Black Diamond Trail in SW corner of park. Comment
  SEINET12044784  Allium serratum J. T. Howell 1933-1 11284 Contra Costa E of St. Mary's College Comment
  UC3116  Allium unifolium State Survey 1174 Contra Costa Mt. Diablo Comment
  UC691631  Allophyllum divaricatum Mary L. Bowerman 1933-5-2 1941 Contra Costa below Pioneer Camp (Mt. Diablo); Mt. Diablo 762 Comment
  UCD118010  Allophyllum divaricatum Clifford Low 1978-5-19 3 Contra Costa Back Canyon Creek, east of Eagle Peak on Mount Diablo. 304 Comment
  CAS-BOT-BC170933  Alnus rhombifolia Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  CAS-BOT-BC170934  Alnus rhombifolia Alice Eastwood 1921-4-18 s.n 10294 Contra Costa Antioch Comment
  UC1818942  Alnus rhombifolia Barbara Ertter, Chris Thayer 1995-4-25 13987 Contra Costa Southeast side of Mt. Diablo northeast of Danville; shade of oak forest on Sycamore Creek near junction of path from Knobcone Point Rd. 396 Comment
  POM300587  Amaranthus albus Mary L. Bowerman 1932-8-27 1515 Contra Costa Pond south of Turtle Rock Comment
  JEPS111588  Amaranthus retroflexus D. G. Kelch 2004-6-19 04 .286 Contra Costa Crockett - Edwards Canyon Edwards Creek staging area near barn. 24 Comment
  RSA300588  Amaranthus retroflexus Mary L. Bowerman 1936-9-9 3539 Contra Costa Sycamore Canyon just below Blackhawk Ranch Comment
  JEPS25151  Ambrosia chamissonis G. Thomas Robbins with John Weiler 1959-5-23 4021 Contra Costa on breakwater (nw extension) Brooks Island; San Francisco Bay, Richmond Comment
  UC1618292  Amelanchier utahensis Barbara Ertter, CNPS 1990-8-19 9624 Contra Costa s side of E arm of Briones Reservoir n of Orinda (along Bear Creek Trail on EBMUD land); Briones Reservoir, Bear Creek Trail Comment
  CAS-BOT-BC222220  Amsinckia John Thomas Howell 1934-4-8 11827 Contra Costa South of Antioch Comment
  CAS-BOT-BC222235  Amsinckia John Thomas Howell 1933-3-29 10912 Contra Costa Nortonville hills Comment
  CAS-BOT-BC222236  Amsinckia John Thomas Howell 1933-3-29 10911 Contra Costa Nortonville hills Comment
  JEPS100075  Amsinckia intermedia G. Smick 2003-3-4 GAS 59 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111839  Amsinckia intermedia D. G. Kelch 2004-3-5 04 .11 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 Comment
  UC1084555  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-5-4 2274 Contra Costa 0.7 mi west of Inspiration Point (and road e to; and Orinda-Richmond Road); Tilden Park Comment
  UCD119619  Amsinckia intermedia John Thomas Howell 1933-5-14 11224 Contra Costa St. Mary's College. Comment
  UC1084623  Amsinckia lunaris Francia Chisaki, Peter Kamb Ray 1952-5-4 2275 Contra Costa 1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road Comment
  SD71393  Amsinckia lycopsoides John Thomas Howell 1933-5-14 11225 Contra Costa St. Mary's College Comment
  RSA0090978  Amsinckia scabra A. A. Heller 1941-3-23 15901 Contra Costa Mt. Diablo. Along the roadside about 2/3 up the mountain near a ditch. Comment
  UC762817  Amsinckia tessellata var. gloriosa R. F. Hoover 1935-3-10 317 Contra Costa Kirker Pass Comment
  CDA9522  Amsinckia tessellata var. tessellata D. G. Kelch, Michael Park, Abigail Moore 2007-5-2 7 .252 Contra Costa Altamont Hills; Frontage Rd. S. of Patterson Pass Rd. & I-580 Comment
  JEPS43119  Anagallis arvensis W. L. Jepson 1923-4-22 9865 Contra Costa Mt. Diablo Comment
  UC162557  Androsace elongata subsp. acuta H. M. Hall 1901-4-5 Contra Costa Mount Diablo San Francisco Bay region, Mt. Diablo 1074 Comment
  POM161362  Anemopsis californica R. C. Bacigalupi 1926-4-30 1347 Contra Costa About 3 miles E of Walnut Creek on Mt. Diablo Rd. Comment
  UC2029069  Anemopsis californica Barbara Ertter 2000-7-16 17416 Contra Costa Borges Creek on east side Borges Ranch Road on NW base of Mount Diablo, downstream from fire road junction. 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
  RSA0008239  Antirrhinum elmeri A. D. E. Elmer 1903-06 4809 Contra Costa Mount Diablo Comment
  UC691615  Antirrhinum kelloggii Mary L. Bowerman 1933-4-26 1919 Contra Costa ese of North Peak (North Peak ridge, s-face); Mount Diablo 609 Comment
  UC2032826  Aphanes arvensis Doran, Andrew Scott 2012-3-20 696 Contra Costa Second highest point on Brooks Island below rocky outcrop Comment
  JEPS112070  Aphanes occidentalis A. G. Murdock 2004-3-5 212 Contra Costa Sky Ranch At top of ridge along road 250 Comment
  UC2062618  Aphanes occidentalis Barbara Ertter with Save Mount Diablo outing 2003-5-8 18163 Contra Costa Mangini property on knoll west of Mount Zion, NW corner of Mount Diablo. Comment
  UC20822  Apiastrum angustifolium Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  UC2027940  Apiastrum angustifolium Barbara Ertter with Tony Morosco and other CNPS members 2001-5-6 17621 Contra Costa Northwest flank of Mount Diablo, trail on west face of Black Point. Comment
  UC691847  Apocynum cannabinum Mary L. Bowerman 1933-9-15 2440 Contra Costa s. face Meridian Peak (Hunt Spring); Mt. Diablo, Hunt Spring 762 Comment
  JEPS60419  Aquilegia W. L. Jepson 1920-9-6 9084 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC17272  Arabis blepharophylla Paul F. Covel 1938-5-8 1514 Contra Costa Summit Mount Diablo. Comment
  RSA0125527  Arabis breweri L. S. Rose 1935-5-16 35170 Contra Costa Mt. Diablo, Summit. Comment
  UC10112 Image available Arabis breweri W. H. Brewer 1862-5-14 1086 Contra Costa East Peak, Mt. Diablo Comment
  UC2028457  Aralia californica Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17513 Contra Costa North side of Mount Diablo, Big Spring below Prospectors Gap Road at head of Donner Canyon Comment
  UC692481  Arbutus menziesii Mary L. Bowerman 1931-3-21 598 Contra Costa Sycamore Canyon, west fork Sycamore Canyon; Mount Diablo, Sycamore Canyon 396 Comment
  UCD166545  Arbutus menziesii Dylan O. Burge 2016-2-18 2046 Contra Costa Huckleberry Ridge. 390 Comment
  SEINET11977748  Arctostaphylos andersonii var. auriculata L. S. Rose 1932-1 32110 Contra Costa Nortonville Comment
  SEINET11989149  Arctostaphylos andersonii var. auriculata B. A. Stein 1981-1 460 Contra Costa Mt. Diablo State Park, Rock City Campground 457 Comment
  CAS-BOT-BC24106  Arctostaphylos auriculata Alice Eastwood 1903-2-22 3161 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC24107  Arctostaphylos auriculata L. R. Abrams 1900-10-8 4348 Contra Costa Mt. Diablo 609 Comment
  CAS-BOT-BC24112  Arctostaphylos auriculata H. E. McMinn 1923-3-6 887 Contra Costa Head Sycamore canyon Comment
  CAS-BOT-BC24116  Arctostaphylos auriculata Mary L. Bowerman 1935-3-24 2750 Contra Costa Lime Ridge, west face, between two major cuts of the Cowell Cement Company. Comment
  CAS-BOT-BC24117  Arctostaphylos auriculata C. F. Baker 1903-5-31 3161 Contra Costa Mt. Diablo Comment
  CDA9744  Arctostaphylos auriculata D. G. Kelch, D. A. Weinstein 1995-3-6 s.n. Contra Costa Rock City. Mt. Diablo. Comment
  POM300661  Arctostaphylos auriculata Mary L. Bowerman 1933-3-25 1772 Contra Costa Emmons Canyon: South-facing slope between the two forks, top of ridge (Pine Canyon ridge) Comment
  RSA164646  Arctostaphylos auriculata Percy C. Everett 1963-11-19 24550 Contra Costa Mt Diablo. 457 Comment
  RSA622488  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27603 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  RSA70860  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa 8 miles NE Danville, S slope of Mt. Diablo. Comment
  SBBG28871  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa S slope of Mt Diablo, 8 mi NE of Danville Comment
  UC526215  Arctostaphylos auriculata Lewis S. Rose 1934-2-28 34039 Contra Costa 8 mi ne Danville (s slope of mt., type locality); Mt. Diablo Comment
  UC549568  Arctostaphylos auriculata J. E. Adams 1934-3-19 672 Contra Costa Mt. Diablo Comment
  UC549569  Arctostaphylos auriculata J. E. Adams 1934-10-6 852 Contra Costa Rock City Mt. Diablo Comment
  UC697791  Arctostaphylos auriculata Mary L. Bowerman 1932-9-5 1547 Contra Costa near firebreak which runs s from large spur (on meridian) heading into Sycamore Canyon; Mount Diablo, Inner Black Hills Comment
  UCD50261  Arctostaphylos auriculata W. B. McHenry 1975-1-31 Contra Costa On ranch off of Ygnacio Valley Road, ca. 5 miles northeast of Walnut Creek. Comment
  UCSB26085  Arctostaphylos crustacea subsp. crustacea Lee, Edward 1935-12-28 Contra Costa Western end of Las Trampas Ridge; (T1S, R2W, Sect. 22, Concord Quadrangle) 426 Comment
  RSA367269  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 a Contra Costa Mt. Diablo. Comment
  UC1120145  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-2-16 1591 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC1120326  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1938-10-27 454 Contra Costa head of Sycamore Creek Mount Diablo Quadrangle Comment
  UC692498  Arctostaphylos glauca Mary L. Bowerman 1931-11-21 1068 Contra Costa near canyon bottom and Bilharan Mount Diablo, Donner Canyon Comment
  RSA632828  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27582 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  UCSB22281  Arctostaphylos manzanita McMinn, H. 1936-4-11 Contra Costa Mt. Diablo; head of Sycamore Canyon Comment
  CAS-BOT-BC38877  Arctostaphylos manzanita subsp. laevigata Lewis S. Rose 1934-2-1 34012 Contra Costa Sandstone hills, S. slope, Mt. Diablo 609 Comment
  JEPS124461  Arctostaphylos manzanita subsp. laevigata Daniel Slakey with CNPS Volunteers 2015-6-29 137 Contra Costa Wall Point Rd, along a roughly 1 km stretch of road just west of Wall Point. Comment
  OBI14657  Arctostaphylos manzanita subsp. laevigata H. E. McMinn, E. Maino 1931-4-11 136 Contra Costa Mt Diablo Comment
  UC1389137  Arctostaphylos manzanita subsp. laevigata H. A. Jensen 1938-10-27 452 Contra Costa head of Curry Canyon Mt. Diablo Quadrangle 518 Comment
  UC549606  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 675 Contra Costa Mount Diablo Comment
  UC549752  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 686 Contra Costa Mt. Diablo Comment
  RSA0027948  Arctostaphylos manzanita subsp. laevigata Barbara Ertter 1997-9-14 15818 Contra Costa Southwest side of Mount Diablo, Wall Point Road on ridge northwest of Wall Point. Comment
  UC2028052  Arctostaphylos manzanita subsp. laevigata Barbara Ertter with Ann Dennis 1998-1-25 15907 Contra Costa Donner Canyon on north side Mount Diablo, Middle Trail/Falls Trail. Comment
  POM300725  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1933-3-25 1765 Contra Costa Emmons Canyon (off Stone Valley), west fork. Comment
  UC1142931  Arctostaphylos pallida Beryl O. Schreiber 1938-9-18 2548 Contra Costa 0.5 mi ssw Round Top 335 Comment
  UC198874  Arctostaphylos pallida V. King Chesnut April 1888 Contra Costa Moraga Valley Comment
  LA42216  Arctostaphylos pallida Lewis S. Rose; 1934-1-29 34010 Contra Costa Summit of Oakland Hills above Redwood Canyon Comment
  JEPS19849  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1916-8-20 6847 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS42608  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1944-8-5 27546 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS46271  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1943-6-19 20850 Contra Costa Moraga Ridge Comment
  JEPS48823  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27506 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS48827  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1944-10-27 27552 Contra Costa at Stake 3 Moraga Ridge (e side of trail) Comment
  JEPS98840  Arctostaphylos tomentosa subsp. crustacea Walter Knight, Irja Knight, James B. Roof, R. Gankin, R. Hildreth 1964-10-7 Contra Costa near Rock City; Mt. Diablo Comment
  SD107167  Arctostaphylos tomentosa subsp. crustacea Walter Knight 1980-3-6 3719 Contra Costa Redwood Regional Park, East Ridge Trail Comment
Read comments
Aug 10 2011
  UC1120106  Arctostaphylos tomentosa subsp. crustacea R. W. Lundh 1933-3-1 204 Contra Costa 1/2 mi n Pinehurst; Concord Quadrangle Comment
  UC1120141  Arctostaphylos tomentosa subsp. crustacea R. W. Lundh 1933-2-1 200 Contra Costa 1/2 mi sw Pinehurst; Concord Quadrangle Comment
  UC1332417  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1703 Contra Costa sw slope on w end of ridge Concord Quadrangle, Las Tampas Ridge 426 Comment
  UC549461  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 633 Contra Costa Moraga Ridge Comment
  UC549471  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 624 Contra Costa Moraga Ridge Comment
  UC876405  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 624 Contra Costa Moraga Ridge Comment
  CDA31089  Argyranthemum foeniculaceum D. G. Kelch, Dick Moe, Doug Stone 2001-6-3 01 .-23 Contra Costa East Bay.; Brooks Island. Comment
  JEPS111634  Aristolochia californica D. G. Kelch 2003-2-7 03 .34 Contra Costa McEwen Road 95 Comment
  UC6151  Aristolochia californica Harley P. Chandler 1901-3-22 866 Contra Costa Port Costa San Francisco Bay Region, Port Costa Comment
  UC64561  Aristolochia californica H. M. Hall 1901-3-22 1682 Contra Costa canyon s. of Port Costa; San Francisco Bay Region Comment
  POM87995  Aristolochia californica H. M. Hall 1900-3-23 s.n. Contra Costa Lauterwasser Creek Comment
  RSA51344  Aristolochia californica P. H. Raven 1950-3-5 s.n. Contra Costa Happy Valley Road .9 miles above intersection with Upper Happy Valley Road 183 Comment
  CAS-BOT-BC17386  Armoracia rusticana Walter Knight; Joanne Dean 1978-8-14 3121 Contra Costa Browns Island. Comment
  CAS-BOT-BC82385  Arnica discoidea Paul F. Covel 1938-5-8 1460 Contra Costa Summit Mt. Diablo Comment
  RSA755498  Artemisia biennis Barbara Ertter, Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19800 Contra Costa Mudflats at upper (south) end of San Pablo Dam Reservoir northwest or Orinda 90 Comment
  CAS-BOT-BC84953  Artemisia californica L. R. Abrams 1910-10-8 4339 Contra Costa Mt. Diablo 609 Comment
  UC449651  Artemisia californica W. P. Taylor 1912-7-16 Contra Costa 2 mi sw Walnut Creek 121 Comment
  UCD129214  Artemisia californica Beecher Crampton 1972-11-21 8892 Contra Costa 2 miles east Port Costa. Comment
  JEPS111683  Artemisia douglasiana D. G. Kelch 2003-8-13 03 .139 Contra Costa Pinole Creek 68 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
  SEINET11773093  Arum italicum F. Tahbaz, Ghavamzadeh, G. 1992-1 416 Contra Costa Orinda, by creek on Moraga Way, across street from Camino Moraga Comment
  UC1051127  Arum italicum N. Floy Bracelin 1944-9-24 2585 Contra Costa the Garden of Anson and Anita Blake Berkeley Comment
  CAS-BOT-BC146259  Arundo donax Walter Knight; et al 1978-10-11 3328 Contra Costa Browns Island. Between South Landing and Alder Point. Comment
  UC2028979  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. Comment
  UC630420  Asclepias fascicularis Paule Guiguet, Annetta Carter 1939-8-13 1446 Contra Costa 0.3 mi s Marsh Creek Road (Treat Avenue, e of Concord) 60 Comment
  POM300678  Asclepias fascicularis Mary L. Bowerman 1935-6-28 3162 Contra Costa South of Chase Pond near trail 518 Comment
  SBBG93247  Asclepias vestita D. G. Nelson 1937-4-24 520 Contra Costa Marsh Crk Rd, between Byron and Clayton Comment
  SD241650  Asphodelus fistulosus Barbara Ertter, Tony Morosco 2000-4-12 16959 Contra Costa Vasco Road 0.4 mile north of Tesla Road southeast of Livermore; roadside. Comment
  CAS-BOT-BC180570  Astragalus asymmetricus C. Hart Merriam 1906-9-13 s.n. Contra Costa Byron Springs Comment
  JEPS116726  Astragalus asymmetricus David Gowen 2006-4-22 544 Contra Costa South of Byron airport on Byron Springs Rd. Comment
  JEPS54616  Astragalus didymocarpus var. didymocarpus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  UC13421  Astragalus gambelianus W. H. Brewer 1862-5-12 1071 Contra Costa Monte Diablo Comment
  UC635299  Astragalus gambelianus H. L. Mason 1928-4-15 4345 Contra Costa Moraga Ridge Comment
  CAS-BOT-BC178477  Astragalus gambelianus Alice Eastwood 1906-5-1 s.n. Contra Costa Berkeley Comment
  SEINET947942  Astragalus tener Peter H. Raven 1957-1 10586 Contra Costa 3.0 miles south of Byron. Comment
  CAS-BOT-BC17453  Athysanus pusillus M. K. Curran 1883-4-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC17458  Athysanus pusillus Carl Meyer 1928-2-22 291 Contra Costa Mount Diablo. Comment
  UC1713776  Athysanus pusillus T. S. Brandegee April, 1871 Contra Costa Antioch Comment
  JEPS108320  Athysanus pusillus David Gowen 2005-2-23 168 Contra Costa Mt. Diablo State Park. Juniper Trail just south of Silver Spring. Comment
  UCSB2239  Athysanus pusillus Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Saddle between North and South Peaks of Mount Diablo 883 Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  UCD97257  Atriplex argentea var. expansa Robert E. Preston; Eva Buxton 1994-8-4 675 Contra Costa east end of Briones Valley, west of Marsh Creek Reservoir. 60 Comment
  UC219420  Atriplex argentea var. mohavensis H. M. Hall 1922-5-6 11803 Contra Costa near Byron (alkaline fields); near Byron Comment
  CAS-BOT-BC168536  Atriplex coronata J. W. Congdon 1889-6-22 s.n. Contra Costa Byron Springs Comment
  UCD148250  Atriplex coronata Robert E. Preston 2013-6-14 2912 Contra Costa 3.1 mi WSW of Byron, 0.25 mi E of Kellogg Creek. 66 Comment
  CHSC98937  Atriplex coronata var. coronata Samantha Mackey Hillaire 2007-7-17 1243 a Contra Costa Briones Valley, ~0.2 mile west of Marsh Creek Reservoir. 60 Comment
Read comments
Jan 22 2009
  CDA9502  Atriplex fruticulosa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .229 Contra Costa Byron Airport. Comment
  RSA293440  Atriplex joaquinana Reino Alava 1958-6-6 2136 Contra Costa 3 miles south of Byron, between the highway south and the railroad track Comment
  UC1601683  Atriplex joaquinana Katharine Brandegee 1907-5-3 Contra Costa between Antioch Marsh Creek; between Antioch and Marsh Creek Comment
  UCD97555  Atriplex minuscula Robert E. Preston 1996-7-30 988 Contra Costa on both sides of Greenville Road, 1/2 mile south of I-580. Comment
Read comments
Sep 3 2012
  UC1948958  Atriplex prostrata William J. Ferlatte, L. Maynard Moe 1970-4-27 1218 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC2042800  Atriplex prostrata Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10871 Contra Costa Dow Wetlands Preserve just W of Antioch marina. Comment
  RSA0029775  Atriplex semibaccata Barbara Ertter 1990-9-30 9655 Contra Costa SE of Hilltop Mall in N Richmond, near Day s Inn. Comment
  JEPS111803  Atriplex triangularis D. G. Kelch 2004-5-7 04 .194 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  SEINET11263175  Atriplex triangularis Barbara Ertter, Chris Thayer 1996-10-25 15361 Contra Costa NW flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park, intermittent surface water left in shaded stream in valley oak woodland and grassland.; 0 91 Comment
  CDA19821  Avena fatua P. Akers 2002-5-11 s.n.- 1 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  RSA385404  Avena fatua H. de Forest 1930-7-5 s.n. Contra Costa Roadside near Moraga. Comment
  RSA762309  Avena fatua William J. Ferlatte, L. M. Moe 1970-4-27 1225 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UC1103340  Avena fatua J. P. Tracy 1900-3-24 631 Contra Costa fields near Stege; Region about San Francisco Bay 3 Comment
  CAS-BOT-BC98765  Baccharis douglasii Walter Knight; Harry Reeves 1979-8-25 3406 Contra Costa In natural marsh near reservoir. Contra Loma Regional Park near Antioch 22 Comment
  CDA10375  Baccharis glutinosa D. G. Kelch, A. G. Murdock 2004-9-2 4 .337 Contra Costa Carquinez Strait Region; Pacheco Marsh. Marsh east of Martinez and I-680 and east of lone tree Marsh. Comment
  UC697204  Baccharis glutinosa Mary L. Bowerman 1942-10-4 3852 Contra Costa Mount Diablo, Russelman Park Road 289 Comment
  LA203046  Baccharis glutinosa Joseph Andorfer Ewan; 1936-8-30 10119 Contra Costa Shasta road, W rim Wildcat Canyon Comment
  SEINET11261322  Baccharis glutinosa Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4963 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UC697205  Baccharis glutinosa Mary L. Bowerman 1938-9-17 3719 Contra Costa Willow Spring Comment
  CHSC23341  Baccharis salicifolia Willis Ball 1975-3-26 514 Contra Costa Contra Loma Regional Park. In area #2. On W side of lake ca. 30 yds. N of boat ramp on W side of lake. 30 Comment
  UCD73335  Baccharis salicifolia Chuck Hughes 2008-4-22 26 Contra Costa Marsh Creek at County Jail on Marsh Creek Road. 179 Comment
  UC691860  Baccharis salicifolia subsp. salicifolia Mary L. Bowerman 1932-3-23 1134 Contra Costa Mount Diablo, Donner Canyon 152 Comment
  OBI16940  Balsamorhiza deltoidea Rimo Bacigalupi 1955-5-4 4978 Contra Costa S of and above Nortonville, along rd to Irish Cyn 427 Comment
  UC584282  Balsamorhiza deltoidea G. L. Stebbins Jr. 1937-5-1 2108 Contra Costa about 1 mi s of, n facing ridge Somersville 365 Comment
  UC691252  Barbarea orthoceras Mary L. Bowerman 1931-2-28 528 Contra Costa Mount Diablo; South Road just below junction with North Road Comment
  CDA21555  Bassia hyssopifolia D. G. Kelch, Michael Park 2008-9-1 8 .293 Contra Costa Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez. Comment
  SEINET13390640  Bellardia trixago C. C. Hall 1911-5-20 8835 Contra Costa Near Concord. 100 Comment
  POM44500  Bellardia trixago C. C. Hall 1911-5-20 8835 Contra Costa Contra Costa County: rounded hills near concord, alt 100m 100 Comment
  UC1126282  Berberis pinnata R. W. Lundh 1933-2-2 201 Contra Costa 3/4 mi sw Redwood Peak; Concord Quadrangle Comment
  CAS-BOT-BC102106  Bidens cernua Peter Raven 1948-11-28 172 Contra Costa Sloughs, L. San Joaquin R. Comment
  SEINET3146091  Bidens laevis L. S. Rose 1938-10-28 38311 Contra Costa Byron 3 Comment
  NY30996  Blennosperma californicum R. C. F. Bacigalupi 1957-3-27 5761 Contra Costa At junction of Lone Tree Way and Hillcrest Ave. (rd.), about 0.5 mile west of Lone Tree School 39.3 Comment
  NY31037  Blennosperma nanum A. M. Carter 1937-3-28 1225 Contra Costa 15 miles east of Concord 152.4 Comment
  RSA44377  Blennosperma nanum L. S. Rose 1949-3-24 49011 Contra Costa 4 mi S of Byron low wet valley. 8 Comment
  CAS-BOT-BC100704  Blennosperma nanum var. nanum Robert F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  JEPS18259  Blennosperma nanum var. nanum Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10588 Contra Costa 3.3 mi s Byron Comment
  UC682126  Blennosperma nanum var. nanum G. L. Stebbins Jr. 1942-2-8 3220 Contra Costa 1 mi e of, on road to Mt. Diablo Danville Comment
  CAS-BOT-BC100340  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa Los Medanos, near Antioch Comment
  UC88954  Blepharizonia plumosa Katherine Curran (= Katherine Curran Brandegee) Sep 1883 Contra Costa Antioch; near Judsonville Comment
Read comments
Jan 22 2009
  UCD129618  Blepharizonia plumosa Robert E. Preston 2001-10-7 1777 Contra Costa Black Diamond Mines Regional Park, on w side of Stewartsville Trail, 0.75 mi s of Parking lot at Frederickson Lane trailhead. 152 Comment
  CAS-BOT-BC15961  Boechera breweri subsp. breweri L. Constance; J. L. Morrison 1938-4-5 2192 Contra Costa Near Mitchell Canyon on west slope of Mount Diablo. 609 Comment
  UC565476  Boechera breweri subsp. breweri Herbert L. Mason 1926-3-7 2796 Contra Costa Summit of Mt. Diablo Mt. Diablo Comment
  UC691071  Boechera breweri subsp. breweri Mary L. Bowerman 1933-4-26 1929 Contra Costa between the ridge to the s and North Peak main e ridge (Perkins Canyon branch); Mount Diablo, Perkins Canyon 518 Comment
  UC855336  Boechera breweri subsp. breweri Alice Eastwood 1915-5-30 4513 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC15958  Boechera breweri subsp. breweri H. E. McMinn 1922-6-2 83 Contra Costa At summit of Mount Diablo - a little north of summit. Comment
  UCD102381  Boechera breweri subsp. shastaensis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 900 Comment
  RSA41191  Boisduvalia glabella Robert F. Hoover 1937-5-19 2119 Contra Costa Byron Hot Springs Comment
  UC2029178  Bolboschoenus maritimus subsp. paludosus Barbara Ertter with Alan Prather 2003-6-7 18198 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, fenced pond in bend of east Highland Ridge Trail, 1/4 miles E of junction Stone Corral Trail. Comment
  CAS-BOT-BC31391  Bolboschoenus robustus J. W. Congdon 1893-7-29 s.n. Contra Costa Martinez Comment
  UC2028510  Bolboschoenus robustus Barbara Ertter with Tony Morosco 1998-9-18 16432 Contra Costa West slope Lime Ridge Open Space northwest of Mount Diablo, just southeast of Ygnacio Valley Road, southwest of sand quarry Comment
  CAS-BOT-BC95329  Bowlesia incana Mary L. Bowerman 1935-6-1 3098 Contra Costa Pine-Mitchell divide, Mount Diablo 975 Comment
  UC566855  Bowlesia incana H. L. Mason 1928-4-1 4272 Contra Costa Hills n of Mount Diablo (back of Pittsburg) Comment
  UC691789  Bowlesia incana Mary L. Bowerman 1933-6-7 2259 Contra Costa Mount Diablo, North Peak Ridge North Peak Ridge; Mount Diablo, North Peak Ridge 1021 Comment
  UCD164653  Brassica nigra Henry House 1995-5-20 1995- 22 Contra Costa Approximately 50 m from Walnut Blvd, about 1.25 km south of Marsh Creek Road. 30 Comment
  CDA34051  Brassica rapa D. G. Kelch, D. A. Weinstein 2011-3-5 11 .032 Contra Costa Carqionez Strait Region.; Pt. Pinole. Comment
  UC407037  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island 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
  UC1618319  Brodiaea elegans subsp. elegans Barbara Ertter 1990-5-19 8995 Contra Costa n Lafayette (edge of ridge road); Briones Regional Park, Lafayette Ridge 365 Comment
  UCD38557  Bromus berteroanus Beecher Crampton 1956-5-14 3415 Contra Costa 0.5 mile northwest of Martinez. Comment
  CDA31578  Bromus carinatus A. A. Beetle 1942-3-22 2931 Contra Costa Brooks Island, San Francisco Bay, near Richmond. 0 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
  UC606737  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1958 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC606747  Bromus carinatus var. carinatus Edward Lee 1936-4-19 1975 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  CAS-BOT-BC149541  Bromus carinatus var. carinatus R. E. Frenkel 1964-9-18 845 Contra Costa On Giant Road at its junction with Atlas Road, Richmond. 16 Comment
  CHSC21647  Bromus diandrus Willis Ball 1975-3-2 477 Contra Costa Contra Loma Regional Park. In area #4. On e side of lake ca. 175 yds s of dam. 30 Comment
  UC692332  Bromus diandrus Mary L. Bowerman 1935-4-26 2921 Contra Costa Mount Diablo, Meridian Peak summit Meridian Peak; Mount Diablo, Meridian Peak 1158 Comment
  UCD58550  Bromus diandrus A. A. Beetle 1942-3-22 2932 Contra Costa Brooks Island in San Francisco Bay. Comment
  CAS-BOT-BC156068  Bromus diandrus Mary L. Bowerman 1935-5-25 3068 Contra Costa South of the summit and east of the haripin turn on the highway. 1066 Comment
  SEINET5541898  Bromus diandrus J. Hamai 1985-1 s.n. Contra Costa Russell Reserve. Comment
  POM363884  Bromus hordeaceus Anstruther Davidson 1930-07 3244 Contra Costa Mt. Diablo. Comment
Read comments
Mar 6 2011
  UC692346  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Canyon s of Arroyo del Cerro (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC155471  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro. Rocky knoll 250 feet below spring. Comment
  POM301030  Bromus madritensis Mary L. Bowerman 1933-5-8 2004 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Entrance 290 Comment
  CAS-BOT-BC162352  Bromus madritensis Mary L. Bowerman 1935-5-16 2991 Contra Costa Mount Diablo. Russelman Park, at end of road. Comment
  SEINET191355 Image available Bromus madritensis P. F. Knowles B 139 Contra Costa CULTIVATED ; Briones Hills greenhouse Davis. Comment
  CDA29219  Bromus madritensis subsp. madritensis D. G. Kelch 2006-5-7 6 .143 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC691208  Bromus madritensis subsp. madritensis M. L. Bowerman 1932-4-27 1382 Contra Costa S face, canyon W of Riggs Canyon Oyster ridge 335 Comment
  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
  UC692336  Bromus madritensis subsp. madritensis Mary L. Bowerman 1932-4-27 1371 Contra Costa canyon w of Riggs Canyon (s face of Oyster Ridge, Mount Diablo); Mount Diablo, Oyster Ridge 289 Comment
  JEPS75534  Bromus madritensis subsp. rubens P. F. Yorks 1974-4-28 1451 Contra Costa 1.7 km s of Bear Creek Road on Hampton Road (n of Briones Reservoir, in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  UC692342  Bromus madritensis subsp. rubens Mary L. Bowerman 1931-4-18 731 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 365 Comment
  SEINET3922478  Bromus mollis P. F. Knowles 1942-1 B 79 Contra Costa Briones HIlls. Davis.; 0 Comment
  SEINET3923058  Bromus rigidus Beecher Crampton 1956-5-14 3378 Contra Costa Contra Costa County, 4.6 miles south of the city of Antioch, on Empire Mine Drive, at head of Horse Valley.; 0 Comment
  CDA23570  Bromus rubens D. G. Kelch, D. A. Weinstein 2008-4-25 8 .088 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  UCD59614  Bromus rubens Beecher Crampton 1956-5-14 3410 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  CAS-BOT-BC161953  Bromus rubens Mary L. Bowerman 1931-5-7 810 Contra Costa Mount Diablo. North Peak. Comment
  CDA8350  Bromus sterilis D. G. Kelch, A. G. Murdock 2005-5-13 05 .268-B Contra Costa Carquinez Strait; Martinez-West: Ozol Rock and Scenic Drive. Ozol rock in road cuts. 0 Comment
  JEPS84819  Calamagrostis rubescens J. Stratford 1981-6-8 Contra Costa Huckleberry Trail Huckleberry Botanic Regional Preserve Comment
Read comments
Aug 20 2008
  UCD57736  Calamagrostis rubescens G. L. Stebbins Jr. 1942-8-16 3297 Contra Costa 3 miles north of Berkeley, Wildcat Canyon, opposite army camp. Comment
  UCSC000102  Calamagrostis rubescens G. L. Stebbins Jr. 1942-8-16 3297 Contra Costa 3 miles north of Berkeley, opposite army camp Berkeley - Wildcat Canyon Comment
  CAS-BOT-BC233993  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa Head of Markley Canyon (west branch) Comment
  CAS-BOT-BC233994  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa Head of Markley Canyon (west branch) Comment
  UC765774  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa head west branch Markley Canyon Comment
  CDA23935  Calandrinia ciliata D. G. Kelch 2007-4-1 7 .11 Contra Costa Carquinez Strait; Pt. Pinole. Comment
  UC1136613  Calandrinia ciliata R. W. Lundh 1933-3-25 219 Contra Costa 1 mi w and 1/2 mi n Lafayette (Acalanes Grant); Concord Quadrangle Comment
  CDA6852  Calendula arvensis D. G. Kelch, A. G. Murdock 2005-3-11 5 .04 Contra Costa Carquinez Strait Region; McEwen Road. Carquinez Shoreline EBRP. West of Martinez Highschool. Comment
  RSA0026152  Calochortus argillosus Barbara Ertter, Dan Norris 1998-6-18 16209 Contra Costa South Gate Road on south flank of Mount Diablo, ca. 1 mile in from park boundary. 305 Comment
  UC2028294  Calochortus argillosus Barbara Ertter, Dan Norris 1998-6-18 16219 Contra Costa west of Rock City area on south side of Mount Diablo, saddle on W Fossil Ridge Trail. Comment
  UCD164657  Calochortus luteus Henry House 1995-5-16 1995- 24 Contra Costa Adjacent to Highway 113, about 0.2 km south of Creek Road. 6 Comment
  UC119762  Calochortus pulchellus Carl Purdy 1899-5-15 Contra Costa Mount Diablo Comment
  UC1614144  Calochortus pulchellus Charles M. Belshaw 1935-6-12 690 Contra Costa ca. 10 mi. n. Livermore (on Livermore-Clayton Rd., just n. of crest) 609 Comment
  CAS-BOT-BC494048  Calochortus venustus L. R. Abrams 1921-5-25 8054 Contra Costa Near Spring 4 1/2 mi from summit mt Diablo Comment
  UC2028315  Calochortus venustus Barbara Ertter, Susan D'Alcamo 1998-6-12 16156 Contra Costa North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings. Comment
  UCD67580  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
  UCD95580  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
  UC1794956  Calystegia R. K. Brummitt and B. Ertter 1998-5-6 19794 Contra Costa Point San Pablo, W of Richmond. Comment
  UC1794967  Calystegia malacophylla subsp. pedicellata R. K. Brummitt, J. Strother and B. Baldwin 1997-5-27 19606 Contra Costa Mount Diablo, W side, Murchio Gap 800 Comment
  RSA711888  Calystegia purpurata R. K. Brummitt, J. Strother, B. Baldwin, N. A. Brummitt 1997-5-27 19605 Contra Costa Mt. Diable, W side, Deer Flat Road. 800 Comment
  CAS-BOT-BC215917  Calystegia purpurata subsp. purpurata Alice Eastwood 1915-5-30 4437 Contra Costa Mt. Diablo Comment
  UC1034867  Calystegia sepium subsp. binghamiae Ira L. Wiggins 1954-9-5 13123 Contra Costa Levee along Bethel Island; Levee along Bethel Island Comment
  CAS-BOT-BC224745  Calystegia sepium subsp. limnophila R. K. Brummitt; B. Ertter 1998-5-6 19792 Contra Costa Antioch. Sea level Comment
  CDA39892  Calystegia sepium subsp. limnophila A. G. Murdock 2004-6-4 321 Contra Costa Carquinez Strait Region; Pecheco Marsh. 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
  CDA39896  Calystegia sepium subsp. limnophila T. C. Fuller 1964-11-6 12807 Contra Costa Northeast side of Bethel Island. 0 Comment
  RSA710249  Calystegia subacaulis R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19788 Contra Costa Mt. Diablo. NE side, Donner Track. 400 Comment
  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
  UC1084506  Camissonia campestris subsp. campestris G. Thomas Robbins 1940-5-19 328 Contra Costa e Antioch (slope above river); San Joaquin River Comment
  UC198869  Camissonia campestris subsp. campestris Chesnut and Drew 1887-4-18 Contra Costa Antioch Comment
  UC2028347  Camissonia contorta Barbara Ertter 1991-5-5 9780 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, ridge E of Coal Canyon, N-facing slope Comment
  UC873941  Camissonia contorta Lewis S. Rose 1938-5-8 38223 Contra Costa sand hills Antioch 15 Comment
  UC1301105  Camissonia contorta Helen K. Sharsmith 1963-4-7 5293 Contra Costa abandoned orchard near Oakley (s of Antioch); San Francisco Bay Region 15 Comment
  RSA186718  Camissonia intermedia D. E. Breedlove 1963-5-2 4698 Contra Costa At entrance to Mt. Diablo State Park 4 miles east of Danville Comment
  UC2028251  Camissonia intermedia Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16397 Contra Costa South side of Mount Diablo, South Gate Road 1.1 miles below entry kiosk. Comment
  UC1784899  Camissoniopsis hirtella Barbara Ertter with Thomas J. Delendick 1996-5-2 14609 Contra Costa Mount Diablo, lower summit parking lot 1127 Comment
  UC874075  Camissoniopsis intermedia Lewis S. Rose 1941-5-15 41229 Contra Costa w. slope Mt. Diablo 274 Comment
  RSA0068484  Camissoniopsis intermedia Katie Gallagher, Nick Jensen 2014-4-26 191 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC20498  Camissoniopsis micrantha W. H. Brewer 1862-4-24 988 Contra Costa Camp 68 Martinez Comment
  CAS-BOT-BC266437  Campanula exigua Alice Eastwood 1921-6-11 s.n. Contra Costa Mount Diablo summit Comment
  CAS-BOT-BC266439  Campanula exigua Mary L. Bowerman 1930-6-14 330 Contra Costa Mount Diablo. Summit, on N slope Comment
  JEPS6159  Campanula exigua Mary L. Bowerman 1930-6-14 330 Contra Costa Meridian Peak summit; Mount Diablo Comment
  UC29002  Campanula exigua Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  UC1051246  Campanula isophylla N. Floy Bracelin 1942-9-9 2279 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS83131  Capsella bursa-pastoris R. P. Allen 1935-3-15 113 Contra Costa Pittsburg Comment
  UCSB40236  Capsella bursa-pastoris Fritzke, Sue 1980-3-1 Contra Costa Hills behind Walnut Heights Elementary School, off of Walnut Blvd., 1 mile east of intersection with Walker Rd. 121 Comment
  CAS-BOT-BC37393  Cardamine californica John Thomas Howell 1931-3-10 5757 Contra Costa East side of Mount Diablo 7 miles from Clayton on Livermore road. Comment
  UC517996  Cardamine californica John Thomas Howell 1931-3-10 5757 Contra Costa on Livermore Road 7 mi from Clayton (e side Mt. Diablo); e side Mt. Diablo Comment
  UC2027753  Cardamine hirsuta Barbara Ertter 1997-2-11 15455 Contra Costa north side of Mount Diablo, Mitchell Canyon trailhead parking area, trodden ground. Comment
  UC2070560  Cardamine hirsuta Barbara Ertter 2002-5-16 17853 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CAS-BOT-BC37863  Cardamine oligosperma Mary L. Bowerman 1932-3-6 1100 Contra Costa Mount Diablo. Sycamore Canyon, east fork. Near trail. Comment
  RSA0033843  Cardamine oligosperma Barbara Ertter 2000-3-30 16912 Contra Costa North side of Mount Diablo, Deer Flat at head of Mitchell Canyon. Comment
  UC1795823  Cardamine oligosperma Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14564 Contra Costa Black Hawk Ridge Rd. along East Fork Sycamore Cr in Mt Diablo State Park, shaded roadside bank on north-facing slope,oak woods. Comment
  CDA40558  Cardaria chalepensis V. Guise & B. Slate 2014-4-3 PDR# 070 P06223872 Contra Costa Concord; end of Crystal Ranch Road, Save Mt. Diablo property. 0 Comment
  CDA40559  Cardaria chalepensis V. Guise & B. Slate 2014-4-8 PDR# 070 P06223870 Contra Costa Concord; west side of Crystal Ranch Road, 100 yards south of Ygnacio Valley Road, City of Concord property. 0 Comment
  CDA19118  Cardaria chalepensis R. M. Case 2001-5-1 PDR P 088777 Contra Costa Solano Ave., Concord. 0 Comment
  UC2028217  Carduus pycnocephalus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16129 Contra Costa West-center Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC691373  Carduus tenuiflorus Mary L. Bowerman 1934-6-9 2547 Contra Costa bend by sign reading 4.4 mi to summit Diablo Trail sign (South Road); Mount Diablo 304 Comment
  CAS-BOT-BC19206  Carex barbarae Walter Knight; Irja Knight 1977-6-18 s.n. Contra Costa About 50 ft. from shore of San Joaquin River. Antioch sand dunes, Little Corral site. Comment
  CAS-BOT-BC19207  Carex barbarae Walter Knight; B. Atwater; R. Bensler; J. Dean; B. Mortensen 1979-4-13 3365 Contra Costa Alder Point. Browns Island. Comment
  CAS-BOT-BC20852  Carex globosa John Thomas Howell 1953-3-15 28923 Contra Costa Rock City, Mt. Diablo. Comment
  UC2028415  Carex globosa Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al. 2001-5-22 17650 Contra Costa South side Mount Diablo, headwaters of West Branch Alamo Creek ESE of Knobcone Point, below powerline at end of Knobcone Point Road Comment
  UC2070637  Carex leptopoda Barbara Ertter with Debra Trock 2005-6-25 18608 Contra Costa North end Redwood Regional Park, Stream Trail along Redwood Creek. Comment
  CAS-BOT-BC119017  Carex pellita Walter Knight; B. Mortensen; J. Dean; R. Bensler; B. Atwater 1979-6-13 3364 Contra Costa Damp area in center of Browns Island. Comment
  UC691961  Carex pellita Mary L. Bowerman 1935-5-16 3000 Contra Costa Russelman Park Road at Gregory Ranch junction; Mount Diablo 289 Comment
  UC1949084  Carex pendula Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19797 Contra Costa upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  CDA33135  Carex praegracilis D. G. Kelch, Andrew G. Murdock 2005-3-24 5 .064 Contra Costa Carquinez Strait Region; Southern Point Pinole. Comment
  UC2028414  Carex praegracilis Barbara Ertter with Dan Norris 2000-12-3 17553 Contra Costa South side Mount Diablo, Devils Slide Trail above Sulfur Springs on NW fork of Sycamore Creek Comment
  UC2031466  Carex praegracilis Barbara Ertter with Brad Olson 1991-11-10 10886 Contra Costa Point San Pablo in extreme west of Richmond Comment
  CAS-BOT-BC117548  Carex serratodens Lewis Samuel Rose 1935-5-16 35163 Contra Costa Mt. Diablo. 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
  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
  JEPS74803  Castilleja L. R. Heckard, T. I. Chuang and R. C. Bacigalupi 1975-5-7 4011 Contra Costa ca 0.5 mi e Pinole (just e of Interstate 80, along main route of Santa Fe RR) Comment
  LA209091  Castilleja affinis Mrs. H. P. Bracelin; 1933-6-10 768 Contra Costa Near crest of hills N of Berkeley above Kensington Comment
  RSA0029778  Castilleja applegatei subsp. martinii Barbara J. Ertter 2000-7-29 17446 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail south of Wild Oat Canyon. 488 Comment
  UC691581  Castilleja attenuata Mary L. Bowerman 1933-5-4 1990 Contra Costa Rock City Ridge (= Fossil Ridge); Mount Diablo Comment
  UC1819047  Castilleja attenuata Barbara Ertter, Lisa Schultheis 1995-4-27 14004 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
  JEPS19440  Castilleja densiflora subsp. densiflora Rimo Bacigalupi with G. T. Robbins 1956-5-11 5640 Contra Costa .33 mi e Pinole (between State Highway 4 (Franklin Canyon Rd) and Santa Fe Ry. right-of-way, 0.25 mi e of junction of this rd with U.S. Hwy 40) 22 Comment
  JEPS74807  Castilleja densiflora subsp. densiflora L. R. Heckard, T. I. Chuang and R. Bacigalupi 1975-5-7 4015 Contra Costa ca 0.5 mi e Pinole (just e of Interstate Hwy 80, along main route of Santa Fe Railroad) 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
  CHSC59823  Castilleja exserta Linda Osborne 1980-4-5 1 Contra Costa Los Malinos Jr College, ca. 50 m e of Lake Parcourse handwalk bars and 75 m n. Comment
  CHSC116613  Castilleja exserta subsp. exserta Lowell Ahart; Josephine Guardino 2016-4-19 20779 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  UC673456  Castilleja exserta subsp. exserta H. L. Mason 1928-3-4 4168 Contra Costa Shell Ridge Comment
  UC2028155  Castilleja exserta subsp. exserta Barbara Ertter 1998-4-4 15956 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC691594  Castilleja foliolosa Mary L. Bowerman 1931-4-18 730 Contra Costa basin of ne-fork Sycamore Canyon; Mount Diablo Comment
  CAS-BOT-BC241277  Castilleja latifolia Alice Eastwood 1915-6-21 4740 Contra Costa San Leandro Comment
  JEPS11158  Castilleja rubicundula subsp. lithospermoides R. F. Hoover 1939-4-25 4064 Contra Costa Richmond hills* Richmond hills; Richmond Comment
  UC691618  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1935-5-22 3035 Contra Costa n end Eagle Point ridge; Mount Diablo 289 Comment
  SEINET3839756  Castilleja rubicundula subsp. lithospermoides Unknown 1996-4-26 Contra Costa Franklin Canyon Road near the junction with McEwan Road in grassland Comment
  JEPS48749  Castilleja subinclusa subsp. franciscana H. M. Wheeler 1944-1-16 27511 Contra Costa Upper San Leandro Canyon Oakland Hills, Moraga Ridge Comment
  RSA517383  Castilleja wightii L. R. Heckard 1973-6-6 3421 Contra Costa North-facing slope. Ravine behind La Moine Park (Richmond). 122 Comment
  UC2046339  Casuarina Barbara Ertter with Brad Olson 1994-5-7 12741 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Comment
  CAS-BOT-BC40514  Caulanthus lasiophyllus Alice Eastwood 1921-4-18 10251 Contra Costa Antioch. Comment
  POM136472  Ceanothus cuneatus H. P. Chandler 1901-4-5 977 Contra Costa Mt. Diablo Comment
  JEPS48863  Ceanothus cuneatus var. cuneatus Elsa Kraeger 1926-3-7 Contra Costa e side Mt. Diablo Comment
  UC1071118  Ceanothus cuneatus var. cuneatus R. W. Lundh 1932-8-25 144 Contra Costa Mt. Diablo. 1 mi s and 1/2 mi w of; Mt. Diablo quad. 731 Comment
  UC692589  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1930-6-10 319 Contra Costa accross the rd from and slightly below, Muir Area; Mount Diablo Comment
  UC692591  Ceanothus cuneatus var. cuneatus Mary L. Bowerman 1932-5-1 1406 Contra Costa Oyster Ridge, outer steep face of Alamo Creek, 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
  JEPS42416  Ceanothus oliganthus var. sorediatus W. L. Jepson 1943-4-24 20763 Contra Costa Moraga Ridge Oakland Hills Comment
  UC692588  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1935-5-30 3084 Contra Costa By Donner Canyon stream 161 Comment
  JEPS99959  Centaurea calcitrapa A. Langston 2003-7-28 AL 76 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1795799  Centaurea melitensis Barbara Ertter, Mary L. Bowerman 1994-6-19 12844 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, 1005 Comment
  JEPS44120  Centaurea melitensis W. L. Jepson 1922-7-9 9735 Contra Costa El Cerrito salt marsh El Cerrito Comment
  CAS-BOT-BC288551  Centromadia fitchii Alice Eastwood 1921-4-18 10255 Contra Costa Antioch Comment
  UC2029029  Centromadia fitchii Barbara Ertter 2002-8-24 18019 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  CAS-BOT-BC288872  Centromadia parryi subsp. congdonii J McMurphy 1909-9-24 s.n. Contra Costa San Ramon Comment
  JEPS95217  Centromadia parryi subsp. congdonii R. E. Preston 1998-10-9 1180 Contra Costa Collier Canyon and adjacent valleys, in valley bottom, lower slopes, and saddles. 228 Comment
  UC523550  Centromadia parryi subsp. congdonii David D. Keck 1933-11-2 2610 Contra Costa Crow Creek Canyon Road 1/2 mi from turnoff San Ramon Comment
  CAS-BOT-BC288883  Centromadia parryi subsp. congdonii John Thomas Howell 1932-10-16 10820 Contra Costa Near San Ramon Comment
  UCD19693  Centromadia pungens Donald W. Kyhos 1963-4-11 s.n. Contra Costa 3.6 miles south of Byron Hwy and Byron Hot Springs Rd. Comment
  CAS-BOT-BC279196  Centromadia pungens subsp. pungens J McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  UC473441  Centromadia pungens subsp. pungens John Thomas Howell 1930-9-28 5489 Contra Costa 2 mi from Concord (on road to Walnut Creek) Comment
  CAS-BOT-BC279195  Centromadia pungens subsp. pungens D. E. Breedlove 1969-10-18 16706 Contra Costa On Deer Hill Road near the junction with Happy Valley Road, Lafayette Comment
  CAS-BOT-BC279203  Centromadia pungens subsp. pungens David D. Keck 1932-7-7 1736 Contra Costa Just east of Nichols Comment
  UC2029033  Centromadia pungens subsp. pungens Barbara Ertter 2002-11-11 18079 Contra Costa Round Valley Regional Preserve east of Mount Diablo, alkaline spring on Murphy's Meadow Trail at north end of Round Valley. Comment
  CDA29228  Cerastium glomeratum D. G. Kelch 2005-5-13 05 .272-C Contra Costa Carquinez Strait; Above and west of Edwards Canyon, nr Crockett. Comment
  UC1948960  Cerastium glomeratum William J. Ferlatte, L. Maynard Moe 1970-4-27 1233 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC555660  Cercocarpus betuloides var. betuloides Herbert L. Mason 1926-3-7 2710 Contra Costa Mount Diablo Comment
  UC691100  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-6-4 923 Contra Costa Summit of Meridian Peak, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak Comment
  CAS-BOT-BC284221  Chaenactis glabriuscula var. megacephala Alice Eastwood 1921-4-18 10298 Contra Costa Antioch Comment
  CDA4796  Chamaesyce maculata D. G. Kelch, A. G. Murdock 2005-6-27 5 .391 Contra Costa Carquinez Strait; 6th Street at Lillian Street, Crockett. Comment
  JEPS106990  Cheilanthes covillei J. Greenhouse with Kevin Hintsa 2004-4-5 5085 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1085 Comment
  CAS-BOT-BC70279  Cheilanthes intertexta Alice Eastwood 1915-5-30 4528 Contra Costa Mt. Diablo Comment
  JEPS106987  Cheilanthes intertexta J. Greenhouse with Kevin Hintsa 2004-4-5 5086 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  UC1607652  Chenopodium ambrosioides Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10883 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  CDA2979  Chenopodium ambrosioides T. C. Fuller 1961-7-6 7371 Contra Costa South end of Antioch Bridge, Antioch. 0 Comment
  UC1199816  Chenopodium californicum Herbert L. Mason 1929-3-31 5158 Contra Costa Antioch Sacramento River Comment
  RSA0027945  Chenopodium californicum Barbara Ertter 1998-4-4 15964 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west side of rocky knoll between northwestern-most ridge and Indian Valley School. Comment
  CDA3133  Chenopodium vulvaria D. G. Kelch, A. G. Murdock 2005-7-11 5 .459 Contra Costa Carquinez Strait Region; Crockett - Edwards Canyon. Edwards Creek Staging Area. Comment
  CAS-BOT-BC497666  Chlorogalum pomeridianum Mary L. Bowerman 1930-6-5 239 . Contra Costa Mount Diablo: North Road, 2.9 mi from North Gate 243 Comment
  UC1004357  Chlorogalum pomeridianum var. pomeridianum M. S. Cave 1949-6-26 4901 Contra Costa Arlington Avenue n Mira Vista entrance (hillside); Kensington Comment
  SJSU9368  Chloropyron molle subsp. molle W. Savage 1979-6-15 1267 Contra Costa 100' W of Harris Harbor Channel, 0.25 mi N of Harris Harbor Comment
  CAS-BOT-BC237992  Chloropyron molle subsp. molle Walter Knight; Neil Havlik 1979-10-7 3415 Contra Costa Point Pinole Regional Shoreline Comment
  JEPS57664  Chorizanthe membranacea W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo Comment
  UC77552  Chorizanthe membranacea Brandegee April, 1889 Contra Costa Mount Diablo Comment
  UC52588  Chorizanthe membranacea W. H. Brewer 1862-5-17 1104 Contra Costa canyon n Monte Diablo; canyon n of Monte Diablo (Mount Diablo?) Comment
  JEPS38084  Chrysolepis chrysophylla var. minor W. L. Jepson 1943-10-13 27500 Contra Costa Moraga Ridge Comment
  JEPS38085  Chrysolepis chrysophylla var. minor H. M. Wheeler 1943-8-15 27500 Contra Costa Moraga Ridge Comment
  JEPS46616  Chrysolepis chrysophylla var. minor Dr. H. M. Wheeler 1943-8-15 Contra Costa Moraga Ridge Comment
  JEPS77018  Chrysolepis chrysophylla var. minor Robert M. Lloyd 1963-3-17 Contra Costa on Skyline across from 7090 Skyline Drive (0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive); Skyline Drive, Huckleberry Trail Comment
  SJSU352  Chrysolepis chrysophylla var. minor A. W. Jacobs 1937-8-28 Contra Costa Moraga Ridge Comment
Read comments
Jan 16 2012
  JEPS89253  Cicendia quadrangularis J. B. Davy 1900-3-24 6516 Contra Costa Pt. Richmond Comment
  UC1789151  Cinnamomum camphora Barbara Ertter 2001-5-26 17653 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank. Comment
  CAS-BOT-BC277974  Cirsium cymosum John Thomas Howell 1942-7-19 17039 Contra Costa Near Rock City, Mt. Diablo Comment
  UC2028393  Cirsium cymosum Barbara Ertter with Richard K. Brummitt 1998-5-13 16135 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, west side of ridge in Lougher Loop Trail, S-facing grassy slope Comment
  UC2070512  Cirsium cymosum Barbara Ertter with Mike Park, David Gowen 2004-7-17 18442 Contra Costa North side Mount Diablo, west of Twin Peaks. Comment
  UC691377  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
  UC691388  Cirsium douglasii var. douglasii Mary L. Bowerman 1933-8-2 2396 Contra Costa Maple Spring (by west road) Mount Diablo Comment
  UC691385  Cirsium occidentale var. californicum Mary L. Bowerman 1934-4-21 2538 Contra Costa Muir Area, upper brushy edge Mount Diablo, Muir Area Comment
  SD245260  Cirsium occidentale var. venustum David Keil, Barbara Ertter, et al 2000-6-18 28815 D Contra Costa Mount Diablo State Park. Lower part of Jumper Trail above Laurel Dell picnic area. 914 Comment
  CDA42427  Cirsium vulgare D. G. Kelch, Vince Guise 2012-7-26 12 .235 Contra Costa El Sobrante; Circle Dr. Comment
  JEPS111724  Cirsium vulgare D. G. Kelch 2004-7-9 04 .298 Contra Costa Crockett - Carquinez Scenic Drive Just west of Pt. Costa 60 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
  UC1122357  Clarkia affinis C. M. Belshaw 1936-5-13 2113 Contra Costa 3.7 mi ene Tassajero (plot 31); Mt. Diablo Quadrangle 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
  UCD36032  Clarkia amoena Beecher Crampton 1949-7-3 475 Contra Costa San Pablo Creek Valley, east of San Pablo Ridge, along road to Orinda. 76 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
  UC85545  Clarkia biloba Katharine Brandegee 1907-7-4 Contra Costa banks between Martinez and Port Costa Comment
  UCD21831  Clarkia biloba C. Thayer 1994-8-1 s.n. Contra Costa West side of Lafayette Ridge, Lafayette. Comment
  CAS-BOT-BC164157  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  SDSU8648  Clarkia concinna D. F. Howe 1968-5-20 4518 Contra Costa 5.6 miles north of contra Costa-Alameda Co. line on Morgan Territory Road. Comment
  POM32521  Clarkia concinna subsp. concinna A. D. E. Elmer 1903-05 4336 Contra Costa Mount Diablo. Comment
  UC107960  Clarkia concinna subsp. concinna K. Brandegee 1892-6-9 Contra Costa Pt. Costa Comment
  UC692495  Clarkia concinna subsp. concinna Mary L. Bowerman 1931-5-21 879 Contra Costa Mount Diablo, Curry Cave Point Trail Curry Cave Point Trail; Mount Diablo, Curry Cave Point Trail 350 Comment
  UCSC000483  Clarkia modesta Jean M. Nelson 1937-5-8 s.n. Contra Costa Small canyon at the head of Markley Canyon, north of Mount Diablo Markley Canyon, Mount Diablo - Somersville Comment
  UC2028270  Clarkia purpurea Barbara Ertter 1999-6-12 16707 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  CAS-BOT-BC163670  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Sutliffe 1920-5-30 s.n. Contra Costa Mt. Diablo Comment
  CDA9187  Clarkia purpurea subsp. quadrivulnera Christopher Thayer 1995-6-5 s.n. Contra Costa Carquinez Strait; W of Pinole Peak. Comment
  RSA448290  Clarkia purpurea subsp. quadrivulnera Bonnie C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. Comment
  UC692442  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-2 799 Contra Costa foot Eagle Point ridge; Mount Diablo 228 Comment
  UC930724  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1938-5-8 38224 Contra Costa Antioch 15 Comment
  UC1377638  Clarkia rubicunda W. J. Dress 1951-7-3 3466 Contra Costa a few mi s Moraga 152 Comment
Read comments
Apr 12 2009
  UC1481547  Clarkia rubicunda Neil Havlik 1980-6-6 942 Contra Costa Several colonies on Brooks Island Comment
  CAS-BOT-BC165037  Clarkia rubicunda Peter H. Raven 1957-7-5 11049 Contra Costa 0.2 mile from tip of Point Richmond Comment
  CAS-BOT-BC165448  Clarkia unguiculata K. Brandegee s.n. Contra Costa Antioch Comment
  JEPS75481  Clarkia unguiculata P. F. Yorks 1974-6-16 175 Contra Costa 1.9 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Reserve Comment
  UC692494  Clarkia unguiculata Mary L. Bowerman 1930-6-3 235 Contra Costa 1.9 mi from North Gate (North Road); Mount Diablo 167 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-BC439166  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1113 Contra Costa Mount Diablo. Alamo Canyon 365 Comment
  JEPS48618  Claytonia exigua subsp. exigua Elsa Kraeger 1926-3-7 Contra Costa w side Mt. Diablo Comment
  UC765765  Claytonia exigua subsp. exigua R. F. Hoover 1938-3-25 2896 Contra Costa Lone Tree Valley Comment
  UC7852  Claytonia exigua subsp. exigua Brewer 1056 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC439328  Claytonia gypsophiloides Mary L. Bowerman 1931-4-19 736 Contra Costa Mount Diablo. Deer Flat Comment
  UC692653  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1933-5-3 1967 Contra Costa Mountain Springs Canyon Mount Diablo (just below the deer trough (Pioneer Road)) Comment
  JEPS73688  Claytonia perfoliata L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1757 Contra Costa about 3 mi se Byron at junction of Holey Road (along Byron-Bethany road) 7 Comment
  POM225662  Claytonia perfoliata J. T. Howell 1931-3-10 5755 Contra Costa East side of Mt. Diablo 7 miles from Clayton on Livermore road. Comment
  POM300716  Claytonia perfoliata Mary L. Bowerman 1932-3-12 1111 Contra Costa Alamo Canyon; East-facing bank fifteen ft. above the stream. 351 Comment
  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
  UC1300963  Claytonia perfoliata subsp. perfoliata Helen K. Sharsmith 1962-3-25 4910 Contra Costa hills between Happy Valley and Alhambra Valley; San Francisco Bay Region 304 Comment
  UC1745809  Claytonia perfoliata subsp. perfoliata Annetta M. Carter, Edward Lee 1935-3-29 756 Contra Costa Marsh Creek Rd., 1.2 mi. E of Clayton. Comment
  UC545784  Clematis lasiantha Annetta M. Carter 1935-6-1 879 Contra Costa n. slope of main peak Mt. Diablo (w. of Eagle Point) 1005 Comment
  UC692087  Clematis lasiantha Mary L. Bowerman 1935-6-1 3100 Contra Costa gully e. Mitchell-Pine Divide; Mt. Diablo 975 Comment
  SEINET12051855  Clintonia andrewsiana W. Knight, Knight, I. 1988-1 6129 Contra Costa Redwood Regional Park, between pipe bridge and single curb bridge along Steam Trail 274 Comment
  SEINET9290098  Clytostoma callistegioides Unknown 2009-6-3 Contra Costa Residence in San Ramon, California. See USCH plant ID files. Plant sent to USCH for identification. Query letter included on specimen. Comment
  UCSC006802  Collinsia Randall Morgan 1988-4-29 1151 Contra Costa Scree at NW slope of Twin Peaks, Mt. Diablo Comment
  UC41779  Collinsia bartsiifolia var. bartsiifolia The Postmaster 1900-3-24 Contra Costa Oakley; Mount Diablo Region Comment
  UC26589  Collinsia heterophylla Ivar Tiderstrom vi, 1895 Contra Costa Edwards Canyon, near Crockett Comment
  JEPS6336  Collinsia sparsiflora var. collina Mary L. Bowerman 1933-4-9 1836 Contra Costa w fork Donner Canyon Mount Diablo (Mount Diablo); Donner Canyon 243 Comment
  UC400156  Collinsia sparsiflora var. collina Ynes Mexia 1929-4-21 2376 Contra Costa Moraga Valley Comment
  JEPS100146  Collinsia sparsiflora var. sparsiflora G. Smick 2003-3-25 GAS 97 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS6346  Collinsia sparsiflora var. sparsiflora W. L. Jepson 1922-4-16 9599 Contra Costa San Pablo Valley Comment
  UC691624  Collinsia tinctoria Mary L. Bowerman 1935-6-1 3117 Contra Costa summit Mount Diablo Mount Diablo, summit (towards Devils Pulpit) 1158 Comment
  JEPS99515  Collomia diversifolia Mary Bowerman 1975-5-26 Contra Costa Mount Diablo, Murchio Gap. W of the saddle 701 Comment
  UC908741  Collomia heterophylla Herbert L. Mason 1928-4-15 4361 Contra Costa woods along trail Moraga Ridge 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
  UC2027980  Conyza canadensis Barbara Ertter, Chris Thayer 1996-10-25 15391 Contra Costa Southwest flank of Mount Diablo, lower South Gate Road just inside park boundary. Comment
  JEPS54721  Cordylanthus nidularius J. T. Howell 1942-7-19 17044 Contra Costa NE of Deer Flat; Mt. Diablo; NE of Deer Flat, Mt. Diablo, Contra Costa Co. 609 Comment
  UC691507  Cordylanthus pilosus subsp. pilosus Mary L. Bowerman 1936-8-8 3523 Contra Costa Emmons Canyon, W fork Mount Diablo Comment
  UC692512  Cornus glabrata Mary L. Bowerman 1935-6-21 3150 Contra Costa e. fork Arroyo del Cerro Mt. Diablo 182 Comment
  UC651290  Coronopus didymus Ira L. Wiggins 1930-4-18 4595 Contra Costa e end of Jersey Island, Fallow cornfield Jersey Island Comment
  CAS-BOT-BC169517  Corylus cornuta subsp. californica Barrett Anderson 1987-4-29 3477 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  UCR7819  Corylus cornuta var. californica Wm. Horn Jr. 1964-2-26 640226- 01 Contra Costa San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga 183 Comment
  UC1622290  Cotoneaster pannosus Barbara Ertter 1997-1-5 15431 Contra Costa at Lime Ridge between Walnut Creek and Clayton (Ygnacio Valley Road); Lime Ridge, Ygnacio Valley Road Comment
  UCD159362  Cotula coronopifolia D. S. Park; S. Joslin 2010-6-27 147 Contra Costa Santa Cruz. Lighthouse Field State Beach. Below W Cliff dr. Growing on rocky outcrops. Scattered individuals. 0 Comment
  JEPS99543  Crassula aquatica Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Chase Pond. Comment
  UC2028453  Crassula aquatica Barbara Ertter with Joanne Kerbavaz 2000-8-20 17506 Contra Costa Hidden Pond on south side of Mount Diablo Comment
  UC1543007  Crassula aquatica Donald G. Nelson 1937-4-19 505 Contra Costa n.w. corner lot at Sacramento St. on Panhandle Blvd. El Cerrito (1 block w. of San Pablo Ave.) Comment
  UC2028185  Crassula aquatica Barbara Ertter 1998-5-3 16059 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  JEPS68960  Crassula connata Edward Lee 1935-3-10 1292 Contra Costa Antioch Sand Dunes e. of Antioch; Antioch Sand Dunes Comment
  JEPS25357  Crassula solieri Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6968 Contra Costa 1 mi. s.e. Byron (fields e. of <Bryon> rd.) 6 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
  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
  JEPS100089  Crocanthemum scoparium var. vulgare G. Smick 2003-4-1 GAS 112 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  POM138276  Croton californicus C. F. Baker 1903-4-25 2825 Contra Costa Antioch. Comment
  UC1198987  Croton californicus Joseph P. Tracy 1921-5-17 5567 Contra Costa Antioch 30 Comment
  UC765094  Croton californicus R. F. Hoover 1937-5-14 2113 Contra Costa Antioch sand-dunes Comment
  CDA35283  Croton californicus T. C. Fuller 1961-7-6 7368 Contra Costa East of road, south end of Antioch bridge, Antioch. 0 Comment
  CDA35287  Croton californicus Chas. Lasser 1959-9-24 Contra Costa East of Byron, from Bixler Rd. to Old River. 0 Comment
  CDA15287  Crypsis schoenoides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14726 Contra Costa Sacramento Delta; Dense band outside of lowest part of now dry vernally wet depression within highly disturbed annual grasslands adjacent to on E side of Antioch-Pittsburg Hwy at E end of Dow Chemical property. W/out standing water at this time. Annual. Comment
  CDA38798  Crypsis schoenoides D. G. Kelch 2006-8-12 6 .377 Contra Costa Carquinez Strait; Martinez. Along Alhambra Creek near train station. Comment
  CAS-BOT-BC190082  Crypsis schoenoides R. E. Frenkel 1964-9-17 863 Contra Costa On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir. 45 Comment
  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
  UC1950064  Crypsis vaginiflora Barbara Ertter 1989-9-30 8865 Contra Costa Tilden Regional Park E of El Cerrito, East Bay Skyline Nat'l Recreation Trail (=Nimitz Way), pond 1 1/4 mi NW of Inspiration Point. Comment
  UC2027971  Crypsis vaginiflora Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  UC2028311  Cryptantha decipiens Barbara Ertter, Susan D'Alcamo 1998-6-12 16165 Contra Costa North Peak Trail from Devil's Elbow on SE side of Mount Diablo summit. Comment
  UC659427  Cryptantha flaccida Lincoln Constance, Carl W. Sharsmith with Howard S. Reed 1940-4-27 2573 Contra Costa Pine Canyon, base of Mount Diablo Mount Diablo 304 Comment
  UC24711  Cryptantha intermedia unknown 1900-3-24 Contra Costa Oakley Comment
  UC78558  Cryptantha microstachys C. F. Baker 1903-4-28 2810 Contra Costa Mitchells Canyon Mt. Diablo Comment
  JEPS67634  Cryptantha nevadensis Mary L. Bowerman 1932-3-27 1143 Contra Costa at base of Mitchell Rock Mount Diablo, Mitchell Rock Comment
  UC691391  Cryptantha nevadensis var. rigida Mary L. Bowerman 1942-5-24 3841 Contra Costa Mount Diablo; Jim White Trail, W slope of Deer Ridge 853 Comment
  JEPS67884  Cryptantha torreyana Mary L. Bowerman 1933-6-3 2245 Contra Costa Meridian Peak summit Mt. Diablo Comment
  CDA21191  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 1 of 2. 0 Comment
Read comments
Apr 29 2013
  CDA33352  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454024 Contra Costa El Sobrante; 5737 Skyview Place (near Richmond city limits?) 0 Comment
  CDA33660  Cuscuta japonica Yost/Fonseca 2008-8-7 PDR# 14544449 Contra Costa Richmond; 101 Marcus Ave. 0 Comment
  CDA7755  Cuscuta japonica Niang 2008-2-13 PDR# 1454473 Contra Costa Carquinez Strait; Rodeo, 2 California St. 0 Comment
  OBI14800  Cuscuta salina G. Thomas Robbins 1959-9-13 4161 Contra Costa On shores of San Pablo Bay, at the N edge of Pinole Comment
  SEINET943390  Cuscuta subinclusa Joseph P. Tracy 1932-1 10790 Contra Costa Franklin Canyon Comment
  UC691854  Cuscuta subinclusa Mary L. Bowerman 1935-6-1 3118 Contra Costa n side Meridian Peak summit (below house); Mount Diablo 1158 Comment
  UC691908  Cuscuta subinclusa Mary L. Bowerman 1932-10-16 1633 Contra Costa Donner Canyon trail Mount Diablo Comment
  UC2028562  Cuscuta subinclusa Barbara Ertter with Mary Bowerman 1996-11-1 15409 Contra Costa North base of Mount Diablo, south end of Hetherington Trail at Donner Creek crossing. Comment
  CDA23080  Cyclospermum leptophyllum D. G. Kelch, D. A. Weinstein 2008-5-5 8 .09 Contra Costa Carquinez Strait; Richmond. W Chevy s Hill. N parking lot of Hilltop Mall. Comment
  UCD33766  Cynara cardunculus Beecher Crampton 1972-11-21 8888 Contra Costa 2 miles east of Crockett. Comment
  CAS-BOT-BC299743  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville 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
  OBI73070  Cynara cardunculus subsp. flavescens David J. Keil, with Barbara Ertter et al. 2000-6-18 28817 Contra Costa Mount Diablo State Park. North Gate Road. Ca. 0.5 miles south of park boundary 195 Comment
  UC692432  Cynodon dactylon Mary L. Bowerman 1936-8-17 3526 Contra Costa Sulphur Spring in Pine Canyon Mount Diablo; , Sulphur Spring in Pine Canyon 137 Comment
  UCD60104  Cynodon dactylon P. W. Lamborn 1972-11-2 AES Contra Costa Nomellini Ranch. Comment
  JEPS99547  Cynosurus echinatus Mary Bowerman 1975-6-7 Contra Costa Mount Diablo, Big Spring. Comment
  RSA721595  Cynosurus echinatus Mary L. Bowerman 1975-6-7 s.n. Contra Costa Mount Diablo. Big Spring. Comment
  UC2028466  Cynosurus echinatus Barbara Ertter 1997-8-24 15769 Contra Costa Southwest side of Mount Diablo, Rock City area Comment
  CAS-BOT-BC114612  Cyperus eragrostis John Thomas Howell; Gordon H. True 1972-6-29 48936 Contra Costa Along ditches on Byron Hot Springs Road SE of Byron. Comment
  SEINET10551690  Cyperus eragrostis Thomas B. Croat 1966-6-18 Croat 1992 Contra Costa Frank's Tract, Bethel Island; 7 mi W of Oakley, lakeside and marsh habitats. 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
  CAS-BOT-BC113834  Cyperus niger John Thomas Howell 1950-7-5 26633 Contra Costa Spring along North Road, Mt. Diablo. 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
  CDA1575  Danthonia californica var. californica D. G. Kelch 2002-5-24 2 .02 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  JEPS111503  Daucus pusillus D. G. Kelch 2005-5-13 05 .265 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 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
  SBBG40548  Deinandra bacigalupii R. F. Hoover 1969-8-29 11564 Contra Costa Raymond Rd and Ames St, Livermore Valley Comment
  UCD32433  Deinandra corymbosa Beecher Crampton 1950-6-20 596 Contra Costa Contra Costa County, 1 mile north of Richmond, Triangle Court. Comment
  CAS-BOT-BC294016  Deinandra kelloggii Alice Eastwood 1921-4-18 10300 Contra Costa Antioch Comment
  CAS-BOT-BC294022  Deinandra kelloggii K. Brandegee 1907-5-5 s.n. Contra Costa Near Antioch Comment
  UC88925  Deinandra kelloggii K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  SEINET7838969 Image available Deinandra kelloggii K. Brandegee 1907-5-5 19 Contra Costa Near Antioch Comment
  JEPS102902  Delairea odorata Barbara Ertter, Chris Thayer 1996-10-25 15358 Contra Costa Little Pine Creek, Diablo Foothills Regional Park Mount Diablo 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
  CAS-BOT-BC8748  Delphinium hansenii H. Lewis; C. Epling 1946-5-5 605 Contra Costa 0.5 miles south of Somersville Comment
  CAS-BOT-BC8749  Delphinium hansenii H. Lewis; C. Epling 1947-5-4 703 Contra Costa Marsh Creek Road, 5.8 mi. east of Curry Creek Park Road Comment
  RSA148112  Delphinium hansenii Harlan Lewis, C. Epling 1946-5-5 605 Contra Costa 0.5 miles S of Somersville Comment
  CAS-BOT-BC10306  Delphinium hesperium Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC10307  Delphinium hesperium Miss Mary Leolin Bowerman 1938-5-25 3635 Contra Costa North Road 21 miles from North Gate 182 Comment
  RSA398649  Delphinium hesperium E. E. Stanford 1930-5-24 1512 Contra Costa Marsh Creek Canyon. Comment
  JEPS6250  Delphinium hesperium subsp. pallescens W. L. Jepson 1923-6-10 9998 Contra Costa Upper Marsh Creek Mount Diablo Comment
  UCD102391  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Bald Ridge Trail. Bald Ridge. 890 Comment
  UC9189  Delphinium parryi subsp. parryi J. Burtt Davy 1895-4-8 975 Contra Costa foothills Antioch 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
  CHSC24924  Delphinium patens subsp. patens M. A. Callahan 1976-4-12 5 Contra Costa On ne slope 90 m s of roadhead on Mohawk Dr. Pleasant Hill. Comment
  JEPS65196  Delphinium patens subsp. patens L. R. Heckard 1971-4-15 2471 Contra Costa along Morgan Territory road 7 mi n intersection with Manning road (e of Mt. Diablo) 487 Comment
  UC9148  Delphinium patens subsp. patens J. Burtt Davy 1896-2-29 1263 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  UC9152  Delphinium patens subsp. patens J. Burtt Davy 1895-4-13 1008 Contra Costa near Lafayette Comment
  UC9159  Delphinium patens subsp. patens W. H. Brewer 1862-4-30 1017 Contra Costa Walnut Creek, Camp 69 Walnut Creek; , Camp 69 Comment
  HSC47893  Delphinium recurvatum Carl Epling, G. Miles 1945-3-23 542 Contra Costa 5 miles west of Tracy-Byron road on road to Byron Hot Springs Comment
Read comments
Aug 17 2011
  JEPS65179  Delphinium recurvatum L. R. Heckard 1971-4-15 2488 Contra Costa railroad embankment at intersection of Holey Rd; s of Byron Comment
  RSA148057  Delphinium recurvatum C. Epling 1945-3-23 542 Contra Costa 5 miles west of Tracy-Byron road on road to Byron Hot Springs Comment
Read comments
Aug 17 2011
  RSA624911  Delphinium recurvatum John A. Churchill 1974-4-15 s.n. Contra Costa Between Route K4 and railroad at Holey Road Comment
  JEPS62388  Delphinium variegatum W. L. Jepson 1922-5-23 9658 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC11024  Dendromecon rigida John Thomas Howell 1925-10-11 1497 Contra Costa Moraga Ridge, Oakland Hills Comment
  JEPS51668  Dendromecon rigida H. H. Haworth 1917-3-3 Contra Costa Maraga Ridge Comment
  UC692394  Deschampsia danthonioides Mary L. Bowerman 1935-6-28 3175 Contra Costa 300 yds. e. of meridian fence line Meridian Peak summit (Mt. Diablo); Mt. Diablo 487 Comment
  SEINET11676571  Deschampsia danthonioides I. L. Wiggins 1930-1 4576 Contra Costa 0.5 mi S of Byron Comment
  CHSC97924  Deschampsia elongata D. G. Kelch 2002-6-18 02 .214 Contra Costa Wildcat Canyon Road in Tilden Park. Comment
Read comments
Dec 14 2010
  UC2028497  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek Comment
  JEPS46437  Dicentra chrysantha W. L. Jepson 1921-11-19 9518 Contra Costa Mt. Diablo Comment
  JEPS9557  Dicentra chrysantha W. L. Jepson 1921-11-19 9518 Contra Costa Mt. Diablo Comment
  UC692102  Dicentra chrysantha Mary L. Bowerman 1932-9-3 1529 Contra Costa Muir Area; Mount Diablo Comment
  JEPS75528  Dichelostemma capitatum P. F. Yorks 1976-3-7 116 Contra Costa ca 2 km s Bear Creek Road (on Hampton Road, in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  UC480634  Dichelostemma capitatum Carl Meyer 1928-2-22 297 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC500091  Dichelostemma capitatum John Thomas Howell 1944-7-17 19831 Contra Costa Canyon of Snow Basin Creek Comment
  SEINET12053833  Dichelostemma capitatum L. S. Rose 1932-1 3284 Contra Costa Byron Comment
  CHSC21611  Dichelostemma capitatum subsp. capitatum Willis Ball 1975-2-23 442 Contra Costa In area #2. Ca. 50 yds sw of main parking lot. Contra Loma Regional Park. 45 Comment
  HSC22055  Dichelostemma capitatum subsp. capitatum B. Dwelley 1966-4-6 13 Contra Costa 2 mi. S on Deer Valley Rd., 5 mi. S of Brentwood 37 Comment
  RSA367471  Dichelostemma capitatum subsp. capitatum H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  SJSU1493  Diplacus aurantiacus D. J. Thompson 1954-5-2 Contra Costa between Pinole & Pittsburg Comment
  CAS-BOT-BC153953  Diplacus rattanii Mary L. Bowerman 1935-6-1 3111 Contra Costa Largest ridge between Ransom Point ridge and Mitchell-Pine divide 1082 Comment
  CAS-BOT-BC121841  Dirca occidentalis Howard E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  JEPS77000  Dirca occidentalis Robert M. Lloyd 1963-3-17 2131 Contra Costa Skyline Drive 0.5 mi e intersection with Grizzly Peak Road (across from 7090 Skyline, Huckleberry trail) Comment
  UC1176933  Dirca occidentalis Peter H. Raven 1950-2-19 1349 Contra Costa e side ridge at headwaters; Redwood Canyon 365 Comment
  UC581346  Dirca occidentalis Helen K. Sharsmith 1932-9-18 50 Contra Costa head of Wildcat Canyon Berkeley Hills (streamside) Comment
  LA209793  Dirca occidentalis Joseph Andorfer Ewan; 1936-4-15 9444 -a Contra Costa NE side Bald Peak, San Pablo Ridge Comment
  OBI3339  Dirca occidentalis Neil Havlik 1969-3-25 310 Contra Costa On the NE slope of Grizzly Peak 488 Comment
  UC691997  Disporum hookeri Mary L. Bowerman 1933-4-22 1888 Contra Costa Mount Diablo, Curry-Cave Point trail Mount Diablo; , Curry-Cave Point trail 426 Comment
  UC692001  Disporum hookeri Mary L. Bowerman 1931-3-22 606 Contra Costa Mount Diablo, e fork Alamo Canyon Alamo Canyon; Mount Diablo, Alamo Canyon Comment
  UCD64182  Distichlis spicata John Thomas Howell; Gordon H. True 1972-6-29 48925 Contra Costa On Byron Hot Springs Road southeast of Byron. Comment
  RSA0038323  Distichlis spicata A. A. Beetle 1752 Contra Costa Point Richmond on San Francisco Bay. Comment
  UC2028443  Distichlis spicata Barbara Ertter with Chris Thayer 1996-10-25 15368 Contra Costa Northwest flank of Mount Diablo, Northgate east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park Comment
  UC1050383  Distictis lactiflora N. Floy Bracelin 1942-8-23 1683 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA739726  Dittrichia graveolens John Dittes 2006-10-26 1412 Contra Costa San Joaquin Valley (foothills near NW edge) 2 air mile S of Marsh Creek Reservoir Gauging Station, 1.6 air mile SW of intersection of Camino Diablo and Vasco Road, Contra Costa Water District's Los Vaqueros Watershed Mitigation. 67 Comment
  UC2028241  Dittrichia graveolens Barbara Ertter, Tony Morosco 1998-9-18 16423 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC1123273  Dodecatheon clevelandii subsp. patulum H. S. Yates 1936-3-14 5356 Contra Costa 1/2 mi n of mouth of Perkins Canyon; Mt. Diablo Quadrangle Comment
  UC673501  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1929-3-15 5056 Contra Costa summit of hill e Nortonville; e of Nortonville Comment
  HSC101959  Dodecatheon hendersonii Nikolaus Gillen, Michelle Bihler 2014-3-20 11 Contra Costa Mount Diablo State Park. Eagle Peak Trail. 649 Comment
  UC1046584  Dodecatheon hendersonii Alex D. Hawkes and R. Bacigalupi 1951-4-22 4777 Contra Costa State Rd. #4 near Mt. Diablo (along Marsh Creek); , near Mt. Diablo Comment
  UC1026379  Downingia insignis John Thomas Howell 1953-4-26 28935 Contra Costa between Byron and Byron Hot Springs Comment
  UC583159  Downingia insignis Lewis S. Rose 1936-4-24 36154 Contra Costa 8 mi s Antioch 30 Comment
  UC924239  Downingia insignis H. S. Reed 1940-4-30 356 a Contra Costa 6 mi s Antioch 15 Comment
  RSA114055  Downingia insignis H. L. Mason 1952-4-14 14267 Contra Costa 3.5 miles S of Byron Comment
  RSA622149  Downingia insignis John A. Churchill 1974-4-15 7441521 Contra Costa Between Route K4 and railroad at Holey Road. Comment
  UC1192049  Downingia pulchella F. Chisaki, S. G. Smith, and Peter M. Ray 1951-4-14 1980 Contra Costa 7 mi n Walnut Creek (e of Highway 21, 0.2 s of intersection with Highway 4) Comment
  POM312380  Downingia pulchella Francia Chisaki, S. Galen Smith, Peter M. Ray 1951-4-14 1980 Contra Costa 7 miles N of Walnut Creek, E of Hwy 21, 0.2 mile S of intersection with Hwy 4. Comment
  UC691093  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1930-6-18 343 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  JEPS111939  Dryopteris arguta A. G. Murdock 2004-2-12 205 Contra Costa Franklin Canyon - McHarry Ranch Rd. 126 Comment
  JEPS60041  Dryopteris arguta W. L. Jepson 1923-4-22 9869 Contra Costa Mt Diablo Comment
  UC1076338  Dryopteris arguta Herbert L. Mason 1924-11-23 1166 Contra Costa via Cashion Creek Las Trampas Ridge Comment
  JEPS49893  Dudleya cymosa subsp. paniculata W. L. Jepson 1918-6-5 7604 Contra Costa North Peak Mount Diablo Comment
  CDA2007  Echinochloa crus-galli var. crus-galli D. G. Kelch, A. G. Murdock 2003-8-13 3 .121 Contra Costa Carquinez Strait Region; Martinez Marsh Comment
  SEINET3407559 Image available Echinocystis fabacea Lewis S. Rose 1933-3-10 33010 Contra Costa Marsh Creek Comment
  UC1050510  Echium fastuosum N. Floy Bracelin 1941-4-20 1215 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  RSA0027708  Eclipta prostrata Barbara Ertter 1996-9-19 15298 Contra Costa Antioch Marina, edge of Dow Marsh lands. Comment
  JEPS99514  Elatine brachysperma Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  UC1949081  Eleocharis acicularis Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19802 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda; lower areas where recently inundated Comment
  UC691971  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-BC112799  Eleocharis macrostachya Miss Mary Leolin Bowerman 1938-5-28 3645 Contra Costa Maple Spring, on upper margin especially in the NW corner. Comment
  UC756634  Elymus G. L. Stebbins Jr. 1946-6-9 3658 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  UC756639  Elymus G. L. Stebbins Jr. 1946-6-9 3656 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  POM357109  Elymus X gouldii Glenn A. Gorelick 1967-5-13 s.n. Contra Costa Point Richmond Comment
  UC691172  Elymus X hansenii Mary L. Bowerman 1935-7-22 3184 Contra Costa Mountain Springs Canyon Mount Diablo (about 100 ft from bottom) 670 Comment
  UC2070610  Elymus caput-medusae Barbara Ertter 1999-1-17 16477 Contra Costa Morgan Territory Regional Preserve SE of Mount Diablo, north end Coyote Ridge Trail. Comment
  JEPS68570  Elymus glaucus W. L. Jepson 1918-6-3 7576 Contra Costa Donner Canyon Vicinity of San Francisco Bay, Mt. Diablo 533 Comment
  UC579852  Elymus glaucus Annetta Carter 1936-4-19 1115 Contra Costa Red Rock San Francisco Bay (n edge of hollow on e side of island) Comment
  CAS-BOT-BC203431  Elymus glaucus subsp. glaucus Mary L. Bowerman 1934-4-21 2542 Contra Costa Mount Diablo. Beside Pioneer Camp road east of Pioneer Camp Comment
  UC756645  Elymus multisetus G. L. Stebbins Jr. 1946-6-9 3655 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) 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
  JEPS68374  Elymus trachycaulus W. L. Jepson 1918-6-5 7602 Contra Costa Donner Canyon Vicinity of San Francisco Bay, Mt. Diablo 533 Comment
  JEPS96227  Elytrigia intermedia subsp. intermedia Barbara Ertter with Lynne Hosley and Sid Cowles 1992-6-7 11084 Contra Costa along rd. to quarry e. of Round Top Sibley Volcanic Regional Preserve; Oakland Hills, Sibley Volcanic Regional Preserve Comment
  UC1505156  Elytrigia pontica subsp. pontica S. W. Edwards 1984-7-29 84 -17 Contra Costa along hwy 4 at junction with Patterson Pass Rd (just s of Brentwood) Comment
  JEPS1582  Emmenanthe penduliflora W. L. Jepson 1921-5-22 9205 Contra Costa .66 way to summit Mt. Diablo Comment
  JEPS78615  Epilobium brachycarpum Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3296 Contra Costa South Landing Browns Island Comment
  UC1606296  Epilobium campestre Barbara Ertter 1990-9-10 9635 Contra Costa s Martinez (junction of Alhambra Creek Trail and Old Briones Rd.); Briones Hills, Briones Regional Park, Maricich Lagoon 335 Comment
  UC421666  Epilobium campestre John Thomas Howell 1929-7-20 4331 Contra Costa Pittsburg Comment
  UC101786  Epilobium campestre Katharine Brandegee 1907-6-16 Contra Costa near S.P. Station; Antioch Comment
  UC692446  Epilobium campestre Mary L. Bowerman 1935-6-28 3173 Contra Costa s summit (vernal pool 300 yd e of meridian fence line); Mt. Diablo 487 Comment
  CAS-BOT-BC166165  Epilobium canum subsp. canum A. D. E. Elmer 1903-7-1 4620 Contra Costa Mount Diablo Comment
  CAS-BOT-BC166166  Epilobium canum subsp. canum John Thomas Howell 1925-11-1 1536 Contra Costa Moraga Ridge, Oakland Hills Comment
  RSA209508  Epilobium canum subsp. canum Peter Rubtzoff 1951-10-7 814 Contra Costa 1 to 2 miles southwest of Moraga near the road Comment
  CAS-BOT-BC166826  Epilobium canum subsp. latifolium K. Brandegee s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC166825  Epilobium canum subsp. latifolium M. K. Curran 1883-10-1 s.n. Contra Costa [Marsh's] Marsh Creek Comment
  CDA38079  Epilobium ciliatum D. G. Kelch 2003-8-13 3 .142 Contra Costa Carquinez Strait; Pinole Creek. Comment
  UC1191729  Epilobium ciliatum subsp. ciliatum Malcolm A. Nobs and S. Galen Smith 1949-7-8 944 Contra Costa 4 mi n Kingston; Otto's Black Bass Resort Comment
  UC1584862  Epilobium ciliatum subsp. ciliatum Jerry Powell 1987-11-1 1509 Contra Costa Point Molate Richmond 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
  UC125391  Epilobium ciliatum subsp. ciliatum Katharine Brandegee 1907-7-4 Contra Costa marsh Martinez Comment
  UC2028972  Epilobium ciliatum subsp. ciliatum Barbara Ertter 2000-7-16 17392 Contra Costa lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC2070464  Epilobium ciliatum subsp. ciliatum Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10699 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina. Comment
  UC84478  Epilobium cleistogamum Katharine Curran Jun 1884 Contra Costa Antioch Comment
Read comments
Mar 27 2016
  UC1789170  Epipactis helleborine Barbara Ertter 2001-10-29 17811 Contra Costa Tilden Regional Park, Wildcat Gorge upstream from Lake Anza, understory of mixed forest; scattered plants. Comment
  UC692137  Equisetum X ferrissii Mary L. Bowerman 1933-11-4 2460 Contra Costa toward head of the spring in rocky gully Alder Creek Springs; Mt. Diablo 487 Comment
  UC1789099  Equisetum arvense Barbara Ertter 2005-8-18 18637 Contra Costa San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between Richmond and Orinda (EBMUD water storage from Mokelumne River watershed); mudflats left by receding reservoir (being drained for seismic work on dam). 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
  UC692710  Eremocarpus setiger Mary L. Bowerman 1930-10-4 485 Contra Costa South road near entrance; Mount Diablo Comment
  JEPS103961  Eriastrum ertterae David Gowen 2003-6-14 Contra Costa Lime Ridge Open Space, near transmission tower 280 Comment
  CAS-BOT-BC131505  Ericameria arborescens Mary L. Bowerman 1932-9-17 1583 Contra Costa Donner Canyon, west fork: Bank between upper forks 304 Comment
  UC1118629  Ericameria arborescens R. W. Lundh 1932-8-29 153 Contra Costa 2/3 mi n of Eagle Point; Mt. Diablo Quadrangle 457 Comment
  UC2029062  Ericameria arborescens Barbara Ertter 2000-7-29 17449 Contra Costa Donner Canyon Road below upper junction of Hetherington Trail, north side of Mount Diablo Comment
  CAS-BOT-BC287530  Ericameria linearifolia W. W. Carruth 1902-4-29 s.n. Contra Costa Mt Diablo Comment
  JEPS31300  Ericameria linearifolia W. L. Jepson 1921-5-22 9203 Contra Costa summit Mount Diablo 1127 Comment
  JEPS31349  Ericameria linearifolia W. L. Jepson 1918-6-3 7580 Contra Costa Donner Canon Mt. Diablo 609 Comment
  RSA102866  Ericameria linearifolia H. N. Bolander 1866-1 6141 Contra Costa Monte [Mount] Diablo Comment
  RSA72858  Ericameria linearifolia A. Kellogg, W. G. W. Harford 1868-5-28 548 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC287526  Ericameria linearifolia Mary L. Bowerman 1938-5-28 3649 Contra Costa Mount Diablo. Silver Creek Nook (North Rd) 640 Comment
  UCD150888  Erigeron canadensis James A. Neilson Jr. 1972-11-2 3607 Contra Costa Channel of Walnut Creek ca. 1 mi. north of junction of Pine Creek Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC300591  Erigeron foliosus var. franciscensis Roxana S. Ferris 1924-6-14 s.n. Contra Costa Summit of Mt Diablo Comment
  JEPS99952  Erigeron foliosus var. franciscensis A. Langston 2003-6-30 AL 56 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691858  Erigeron foliosus var. franciscensis Mary L. Bowerman 1930-6-28 407 Contra Costa summit Meridian Peak Comment
  UC691859  Erigeron foliosus var. franciscensis Mary L. Bowerman 1932-9-5 1550 Contra Costa e of the meridian Inner Black Hills; Mount Diablo, Inner Black Hills Comment
  UC697209  Erigeron foliosus var. franciscensis Mary L. Bowerman 1938-6-24 3592 Contra Costa s of firebreak Mountain House Canyon; Mount Diablo 792 Comment
  POM53857  Erigeron foliosus var. franciscensis L. R. Abrams 1916-6-30 5701 Contra Costa Mt. Diablo near lake Comment
  UC482974  Erigeron foliosus var. franciscensis Mrs. G. Earle Kelly 1932-7-20 Contra Costa after junction on mountain road Mount Diablo Comment
  RSA22313  Erigeron petrophilus Joseph A. Ewan 1936-7-5 9735 Contra Costa Wildcat Creek. Comment
  UC697208  Erigeron philadelphicus var. philadelphicus Mary L. Bowerman 1935-5-16 2998 Contra Costa Russelman Park road at Gregory Ranch junction; Mount Diablo 289 Comment
  CAS-BOT-BC224220  Eriodictyon californicum Mary L. Bowerman 1932-9-3 1530 Contra Costa Mount Diablo. Muir Area: Burn (1931) Comment
  UC1181399  Eriodictyon californicum Jerry Powell 1960-5-24 Contra Costa hill between Canyon and Moraga (hill se of canyon); hill between Canyon and Moraga (hill se of canyon) Comment
  UC1613946  Eriodictyon californicum Charles M. Belshaw 1935-6-24 1027 Contra Costa Sobrante Hills Comment
  RSA136732  Eriogonum J. T. Howell 1955-8-24 30903 Contra Costa Near summit of south peak, Mt. Diablo Comment
  UC761971  Eriogonum angulosum R. F. Hoover 1937-9-2 2713 Contra Costa 4 mi n Antioch Comment
  JEPS102893  Eriogonum covilleanum Barbara Ertter with Susan D'Alcamo 1998-6-12 16166 Contra Costa Devils Elbow trail SE of summit, not far from trailhead Mount Diablo 1036 Comment
  CDA19124  Eriogonum fasciculatum R. Fonseca 2001-7-2 PDR P 088326 Contra Costa San Francisco Bay Area; Vicinity of El Camino Pablo, Moraga. 0 Comment
  CAS-BOT-BC250383  Eriogonum gracile John Thomas Howell 1932-10-2 10789 Contra Costa Marsh Creek Road southwest of Brentwood Comment
  CAS-BOT-BC250384  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley 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
  UC1980601  Eriogonum gracile James L. Reveal 1974-8-6 3772 Contra Costa Summit of Mt. Diablo, near lower parking lot west of summit. Comment
  CAS-BOT-BC259524  Eriogonum luteolum var. luteolum Janet Haden 1988-10-10 s.n. Contra Costa Mt. Zion quarry on a peripheral terrace. Near Clayton Comment
  CAS-BOT-BC268915  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1585 Contra Costa Mount Diablo. Donner Canyon, West fork: of west fork 335 Comment
  CAS-BOT-BC268916  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1585 Contra Costa Mount Diablo. Donner Canyon, West fork: of west fork 335 Comment
  UC692159  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1600 Contra Costa Lime Ridge, n edge of s chaparral patch Mount Diablo 243 Comment
  UC692201  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1594 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 434 Comment
  UCSB1460  Eriogonum nudum var. auriculatum Keator, Glenn 1959-7-1 Contra Costa 1/4 mile above Laurel camp on Mt. Diablo Comment
  UC1926783 Image available Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Contra Costa County: Antioch Dunes on San Joaquin River east of Antioch. Comment
  CAS-BOT-BC267444  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo. Alamo Canyon: above Wilsons' barn Comment
  POM165074  Eriogonum umbellatum var. bahiiforme A. D. E. Elmer 1903-07 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC262350  Eriogonum vimineum John Thomas Howell 1955-8-24 30903 Contra Costa Near summit of South Peak, Mt. Diablo 1158 Comment
  CAS-BOT-BC298505  Eriophyllum confertiflorum Mary L. Bowerman 1933-6-3 2224 Contra Costa 2 miles by road from North Gate Comment
  UC691686  Eriophyllum confertiflorum var. confertiflorum Mary L. Bowerman 1933-5-18 2121 Contra Costa near Blackberry Spring; Mount Diablo Comment
  CAS-BOT-BC300924  Eriophyllum jepsonii Mary L. Bowerman 1935-5-30 3087 Contra Costa Mount Diablo. Eagle Point ridge 304 Comment
  UC691730  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-6-7 2266 Contra Costa Large w fork of Curry Cave canyon; Mount Diablo, Curry Cave canyon Comment
  CAS-BOT-BC300964  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 100 Contra Costa N. slope near the summit of Mt. Diablo 1097 Comment
  CAS-BOT-BC300973  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-22 3065 Contra Costa Mount Diablo. Most westerly of the two ridges which converge at Twin Peaks (Eagle Point ridge) 365 Comment
  CAS-BOT-BC300974  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1930-6-14 326 Contra Costa Mount Diablo. Near summit 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
  LA203600  Eriophyllum lanatum var. achilleoides Lincoln Constance; 1933-6-25 E 94 Contra Costa Mount Diablo, near the southeastern base 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
  UC507051  Eriophyllum lanatum var. achilleoides H. K. Sharsmith and C. W. Sharsmith 1933-4-30 E 17 Contra Costa Black, Hills; Mount Diablo 304 Comment
  POM358034  Eriophyllum lanatum var. grandiflorum E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon. Comment
  JEPS111713  Eriophyllum staechadifolium D. G. Kelch 2004-5-21 04 .218 Contra Costa Crockett - West Valona Along San Pablo Ave. ~1 k. west of Carq. Bridge 57 Comment
  JEPS19402  Eriophyllum staechadifolium G. Thomas Robbins 1937-4-17 124 Contra Costa cliffs above San Francisco Bay near Point Richmond Comment
  JEPS100038  Erodium botrys G. Smick 2003-4-1 GAS 102 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111971  Erodium cicutarium D. G. Kelch 2003-3-21 03 .67 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive 40 Comment
  UC1130297  Erodium cicutarium R. C. Wilson 1935-2-26 113 Contra Costa Somersville Mt. Diablo Quad. 289 Comment
  SEINET5604448 Image available Erodium cicutarium Rachel Van Noord 1998-1 4 Contra Costa Dinosaur Hill Park, Pleasant Hill, CA N 37* 56.149' W 122* 05.391 Comment
  CHSC21643  Erodium moschatum Willis Ball 1975-3-2 463 Contra Costa Contra Loma Regional Park. In area #1. In island in middle of main parking lot on s side of lake. 38 Comment
  UC606754  Erodium moschatum Edward Lee 1936-4-10 1995 Contra Costa Red Rock San Francisco Bay 54 Comment
  JEPS15863  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-9-7 14282 Contra Costa foot of sharp canyon e. of Bald Peak at Orinda; Berkeley Hills 121 Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC691870  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1931-4-18 728 Contra Costa basin of n.e. fork Sycamore Canyon (Mt.Diablo); , Sycamore Canyon Comment
  UC1584829  Eryngium articulatum Jerry Powell 1990-8-29 1587 Contra Costa Antioch Nat'l Wildlife Refuge Comment
  JEPS99526  Eryngium castrense Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  UC1745504  Eryngium vaseyi Annetta M. Carter, Tom Morley, Malcolm Nobs 1951-3-25 3006 Contra Costa 3.3 mi. S of Byron. Comment
  UC1745539  Eryngium vaseyi Annetta M. Carter 1951-5-13 3057 Contra Costa 3.3 mi. S of Byron. Comment
  SEINET12118291  Eryngium vaseyi var. castrense L. Constance, Alava, R.; Bacigalupi, R. 1958-1 3661 Contra Costa 3 mi SE of Byron, San Joaquin Valley Comment
  CAS-BOT-BC40762  Erysimum capitatum W. W. Carruth 1901-3-1 s.n. Contra Costa Mount Diablo. 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-BC40760  Erysimum capitatum Mary L. Bowerman 1935-4-26 2915 Contra Costa Mount Diablo. West of the ridge west of Indian Ceremonial Spring, just below the Old Stage Road. 1005 Comment
  CAS-BOT-BC40771  Erysimum capitatum A. A. Heller 1908-4-16 8898 Contra Costa Eat of Antioch. 22 Comment
  SBBG92005  Erysimum capitatum var. capitatum H. L. Mason 1933-4-9 7189 Contra Costa E of Antioch along the San Joaquin River 12 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
  UC2046327  Erythranthe nasuta Barbara Ertter with Alan Prather 2003-6-7 18210 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail. Comment
  UC726212  Eschscholzia A. A. Heller 1938-4-9 15018 Contra Costa 3 mi sw of Antioch Comment
  SJSU5799  Eschscholzia caespitosa C. O. Dudley 1966-3-30 Contra Costa Briones Hills 10 mi SW of Martinez 182 Comment
  CAS-BOT-BC402983  Eschscholzia californica A. A. Heller 1938-4-9 15018 Contra Costa 3 miles southwest of Antioch Comment
  UC1126420  Eschscholzia californica R. C. Wilson 1935-3-29 159 Contra Costa 1 mi sw Mt. Diablo; Mt. Diablo Quadrangle 1005 Comment
  UC125904  Eschscholzia californica Katharine Brandegee 1908-6-16 4 Contra Costa 5 mi s Antioch Comment
  UC1819026  Eschscholzia californica Barbara Ertter, Chris Thayer 1995-4-25 13996 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  CAS-BOT-BC5937  Eschscholzia recta Mary Katherine (Mrs.) Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  UC1789217  Eucalyptus Barbara Ertter 2004-9-17 18499 Contra Costa north extension of Lime Ridge open Space in Concord, edge of parking area on N side of Treat Boulevard 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
  CDA4814  Euphorbia helioscopia E. Meyer 1978-10-2 Contra Costa M. V. Nursery, 191 Parr Boulevard, Richmond. 0 Comment
  UC2032815  Euphorbia lathyris Doran, Andrew Scott 2012-3-20 685 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Garden waste area. Comment
  UC2027934  Euphorbia maculata Barbara Ertter with Chris Thayer 1996-10-25 15382 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring. Comment
  SJSU8143  Euphorbia oblongata L. W. Main 1972-5-5 Contra Costa 2 mi W of Martinez in Franklin Canyon Comment
  CAS-BOT-BC202389  Euphorbia ocellata Lewis S. Rose 1953-10-12 53096 Contra Costa Mt. Diablo, west slope 381 Comment
  UC692696  Euphorbia spathulata Mary L. Bowerman 1931-5-2 792 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  UC1618412  Eurybia radulina Barbara Ertter with Dianne Lake 1991-8-18 10675 Contra Costa e. Crockett (above pilings n.e. of Bull Valley staging area, Carquinez Strait Regional Shoreline); Carquinez Strait Regional Shoreline Comment
  CDA37818  Fallopia japonica Slate 2012-6-29 PDR# 1649771 Contra Costa Lafayette; southwestern corner of Village Center & Mt. Diablo Blvds. 0 Comment
  RSA760667  Festuca William J. Ferlatte, L. Maynard Moe 1970-4-27 1253 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CDA2178  Festuca arundinacea T. C. Fuller 1961-9-13 7002 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  UC2028487  Festuca arundinacea Barbara Ertter 1998-5-3 16047 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo Comment
  UC692287  Festuca californica Mary L. Bowerman 1931-5-2 788 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  CDA21547  Festuca idahoensis D. G. Kelch 2000-4-9 0 .14 Contra Costa Altamont Hills; 1.5 miles E of Midway on old roadcut between RR tracks and Via Nicolo Road. Comment
  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
  POM205843  Festuca rubra Jos Burtt Davy 1897-04 s.n. Contra Costa Point Isabel. Comment
  SEINET4343746 Image available Festuca rubra Barbara Ertter, Brad Olson 1994-5-7 12752 Contra Costa South end Pt Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay Comment
  UCD66330  Festuca rubra P. B. Kennedy 1919-5-1 s.n. Contra Costa North Berkeley. Hills. Comment
  UC691905  Forestiera pubescens Mary L. Bowerman 1936-6-20 3414 Contra Costa w side of ridge w Mt. Zion; Mount Diablo 198 Comment
  UC691117  Fragaria vesca Mary L. Bowerman 1931-3-29 623 Contra Costa n-face East Cave Point Ridge; Mount Diablo Comment
  CAS-BOT-BC52535  Frangula californica subsp. californica Mary L. Bowerman 1932-11-26 1677 Contra Costa Pepperwood Spring (by North road, 1950 feet) Comment
  SEINET7417501 Image available Frangula californica subsp. californica L. J. Musselman 1970-7-26 3769 Contra Costa W slope of Mount Diablo 1067 Comment
  UC1122130  Frankenia salina C. M. Belshaw 1936-5-9 2080 Contra Costa 1.5 mi e Mulligan Hills; Mt. Diablo Quad. 152 Comment
  CAS-BOT-BC223391  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3104 Contra Costa Mount Diablo. First small ridge east of Mitchell-Pine divide 975 Comment
  UC1753842  Fraxinus dipetala Annetta M. Carter, Leo Bowerman 1935-6-1 876 Contra Costa Mt. Diablo. 975 Comment
  UC1795649  Fraxinus dipetala Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13081 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
  JEPS112503  Fritillaria affinis A. G. Murdock 2004-4-30 262 Contra Costa Vaca Canyon 165 Comment
  RSA289960  Fritillaria affinis W. L. Jepson 1918-6-3 7573 Contra Costa Donner Canyon, Mount Diablo 534 Comment
  UC3643  Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch, [in the foothills rather than the sand-hills] Antioch Comment
  CDA3560  Fumaria capreolata D. G. Kelch, A. G. Murdock 2005-5-23 5 .374 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  JEPS113074  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building). Comment
  UC1789195  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building). Comment
  UC1143116  Galium andrewsii subsp. gatense C. M. Belshaw 1936-5-8 2058 Contra Costa se slope Mt. Diablo Quadrangle, Mt. Diablo (Plot 5) Comment
  UC691532  Galium andrewsii subsp. gatense Mary L. Bowerman 1930-6-7 283 Contra Costa summit Mount Diablo Comment
  CDA33841  Galium andrewsii subsp. gatense D. G. Kelch 2010-5-15 10 .119 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  JEPS112106  Galium aparine D. G. Kelch 2003-4-3 03 .352 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  JEPS112111  Galium aparine D. G. Kelch 2005-3-24 05 .53 Contra Costa Point Pinole. Southern Pt. Pinole. 3 Comment
  UC1618054  Galium aparine Donald G. Nelson 1937-3-30 469 Contra Costa along Marsh Creek Rd. between Clayton and Byron Comment
  UC691536  Galium aparine Mary L. Bowerman 1932-4-27 1374 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge 289 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
  UC1861822  Galium californicum subsp. californicum Barbara Ertter, Chris Thayer 1995-4-25 14000 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. at northeast FK of Sycamore Creek, 396 Comment
  RSA0028271  Galium murale Barbara Ertter, J. Travis Columbus 1990-6-10 9114 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; edge of stream near crossing on Spengler Trail NE of Briones Peak. 183 Comment
  JEPS41059  Galium porrigens var. porrigens Rimo Bacigalupi and L. R. Heckard 1965-5-11 9086 Contra Costa se Richmond; San Francisco Bay, Brooks Island 30 Comment
  UC1562738  Galium porrigens var. porrigens Barbara Ertter with John Little 1989-4-2 8106 Contra Costa n end El Cerrito, Hillside Park (level portions of old road) Comment
  UC1143107  Galium tricornutum C. M. Belshaw 1936-5-13 2124 Contra Costa s Horse Valley (Plot 38); Mt. Diablo Quadrangle Comment
  POM301044  Gamochaeta ustulata Mary L. Bowerman 1938-6-2 3654 Contra Costa Dan Cook Canyon, 100 yards N of camp. 549 Comment
  CAS-BOT-BC200633  Garrya elliptica H. E. McMinn 1925-1-1 s.n. Contra Costa Head of San Leandro Creek Comment
  CAS-BOT-BC200634  Garrya elliptica John Thomas Howell 1925-9-12 1437 Contra Costa Oakland Hills at head of San Leandro Canyon Comment
  CAS-BOT-BC200622  Garrya elliptica Alice Eastwood 1907-7-1 s.n. Contra Costa Berkeley Hills Comment
  CAS-BOT-BC169944  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 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
  UCR265172  Genista monspessulana Barbara Ertter 1991-5-12 9816 Contra Costa Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh. 4 Comment
  CDA23560  Geranium core-core D. G. Kelch, D. A. Weinstein 2008-1-4 8 .001 Contra Costa Carquinez Strait; Pt Pinole. Along asphalt access road. Comment
  JEPS111979  Geranium dissectum D. G. Kelch 2003-3-21 03 .75 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC692707  Geranium dissectum Mary L. Bowerman 1931-4-11 708 Contra Costa Pine Canyon mouth Mount Diablo Comment
  SD41283  Geranium dissectum McCallum 1933-4-26 3698 Contra Costa Damp roadside on the way to Tassajara Comment
  UCD103337  Geranium dissectum Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  UC1300816  Geranium molle Helen K. Sharsmith 1962-4-18 4956 Contra Costa Reliez Valley Road San Francisco Bay Region 152 Comment
  UC1795111  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Boulevard and Golf Course Drive Comment
  UC691599  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1935-5-8 2970 Contra Costa Muir Area, Mount Diablo Mount Diablo, Muir Area Comment
  UC691628  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1935-4-19 2869 a Contra Costa North Road ca 6.5 mi from entrance (Northgate); Mount Diablo 609 Comment
  UC880124  Gilia achilleifolia subsp. multicaulis Lewis S. Rose 1941-5-15 41231 Contra Costa w slope Mount Diablo; w slope Mount Diablo 396 Comment
  UC908902  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1928-4-15 4357 Contra Costa top of Morago Ridge Morago Ridge Comment
  UCD117632  Gilia achilleifolia subsp. multicaulis P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and Summit. Comment
  UC691629  Gilia capitata subsp. capitata Mary L. Bowerman 1933-6-7 2263 Contra Costa North Peak Ridge , North Peak Ridge (Mount Diablo) Comment
  UC517980  Gilia capitata subsp. staminea Lewis S. Rose 1933-4-17 33090 Contra Costa Antioch Comment
  UC903221  Gilia capitata subsp. staminea Ethel Crum 1936-4-5 1746 Contra Costa two mi w Byron; South Coast Ranges, w of Byron 45 Comment
  RSA14955  Gilia clivorum L. S. Rose 1935-5-16 351 75 Contra Costa Mt. Diablo. Comment
  UCR182844  Gilia clivorum Peter L. Morrell, N. Takebayashi, Diana Wolf, D. E. Krause 1995-5-21 471 Contra Costa Central Coast, S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak 400 Comment
  UC2027715  Gilia clivorum Barbara Ertter with Stu Garrett 1997-3-29 15524 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC691625  Gilia clivorum Mary L. Bowerman 1933-5-3 1976 -2 Contra Costa due s summit Mount Diablo (Chaparral burn (1931)); Mount Diablo, due s of summit 731 Comment
  RSA63722  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  UC691598  Gilia tricolor subsp. tricolor Mary L. Bowerman 1931-3-14 569 Contra Costa Windy Point Mount Diablo, Windy Point Comment
  CAS-BOT-BC266489  Githopsis diffusa Alice Eastwood 1915-5-30 s.n. Contra Costa Mount Diablo Comment
  JEPS28828  Githopsis diffusa subsp. robusta L. R. Heckard with P. Silva, R. Tucker 1962-4-22 1302 Contra Costa Lookout Point Picnic Area Mt. Diablo State Park 731 Comment
  SEINET10464451  Githopsis diffusa subsp. robusta Bowerman 1935-5-3 BOWERMAN 2952 Contra Costa Rock City Ridge (Fossil Ridge): hillside below the Jungle of the Garden Gods 488 Comment
  SEINET10464620  Githopsis specularioides Bowerman 1935-5-18 BOWERMAN 3034 Contra Costa Meridian Peak north of the summit parking area 1067 Comment
  SEINET10840136  Githopsis specularioides Mason 1928-4-29 Mason 4429 Contra Costa Sycamore Canyon, south slope of Mount Diablo Comment
  UC2013053  Glycyrrhiza lepidota Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14920 Contra Costa Northwest base of Mount Diablo access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UC32009  Gnaphalium palustre W. H. Brewer 1862-5-26 1172 Contra Costa near Mount Diablo Comment
  UC691802  Gnaphalium palustre Mary L. Bowerman 1935-7-22 3189 Contra Costa s side Meridian Peak (Hidden Pond); Mount Diablo 518 Comment
  RSA666773  Gnaphalium palustre Barbara Ertter, Brad Olson 1991-9-28 10835 Contra Costa San Pablo Reservoir between Orinda and El Sobrante. 91 Comment
  CDA6066  Gnaphalium stramineum D. G. Kelch 2006-9-25 06 .477-B Contra Costa Carquinez Strait; Marsh 1km. W of Pacheco Slough. Comment
  OBI16393  Grindelia camporum Robert F. Hoover 1969-9-1 11569 Contra Costa Between San Pablo and Pinole Comment
  RSA95463  Grindelia camporum L. S. Rose 1952-11-26 52020 Contra Costa Pittsburg. 3 Comment
  SEINET10925203 Image available Grindelia camporum var. parviflora John Thomas Howell 1930-9-28 Howell 5496 Contra Costa Liberty School on Marsh Creek Road, Contra Costa Co. Comment
  CAS-BOT-BC305222  Grindelia hirsutula Lewis S. Rose 1930-7-22 s.n. Contra Costa Concord Comment
  CAS-BOT-BC305233  Grindelia hirsutula Evelina Cannon 1895-12-25 s.n. Contra Costa Pinole Pt. Comment
  CAS-BOT-BC305234  Grindelia hirsutula L. R. Abrams 1916-6-30 5713 Contra Costa Mt. Diablo Comment
  UC1606421  Grindelia hirsutula Barbara Ertter 1993-5-9 11719 Contra Costa near Brickyard Landing (bluffs at end of Garan Road, sw corner of Point Richmond); Point Richmond Comment
  UC1618419  Grindelia hirsutula Barbara Ertter, Diane Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10716 Contra Costa west-most point opposite Pittsburg Marina (Browns Island n of Pittsburg near confluence of Sacramento and San Joaquin Rivers); Browns Island Comment
  UC691151  Guillenia flavescens Mary L. Bowerman 1933-4-15 1859 Contra Costa second ridge se Arroyo del Cerro; Mount Diablo Comment
  RSA34731  Guillenia flavescens R. C. Rollins 1946-3-25 3046 Contra Costa Western slope of Mount Diablo. Comment
  UC10956  Guillenia lasiophylla Alice Eastwood 1893-5-5 Contra Costa Brentwood Comment
  UC205978  Guillenia lasiophylla Katharine Brandegee Contra Costa Byron Springs Comment
  UC691127  Guillenia lasiophylla Mary L. Bowerman 1932-4-27 1401 Contra Costa canyon w Riggs Canyon; Mount Diablo, Oyster Ridge 350 Comment
  JEPS120272  Hainardia cylindrica Barbara Ertter with David Gowen 2012-6-9 21025 Contra Costa junction of Seaview Trail and road into EBMUD land north of Vollmer Peak,m southeastern Tilden Park in Berkeley Hills 550 Comment
  UCD85240  Hainardia cylindrica M. Wiesendanger 1926-5-1 1466 Contra Costa Near Richmond. Comment
  UC1051002  Hebe buxifolia N. Floy Bracelin 1943-7-19 2549 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  RSA0027643  Hedypnois cretica Barbara Ertter 1998-5-3 16045 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. 198 Comment
  SD241751  Hedypnois cretica Barbara Ertter 1994-5-23 12809 Contra Costa Point Isabel at S end Richmond, Regional Shoreline and marsh at end of Rydin Road. Weedy area of parking lot. Comment
  UC32237  Helenium bigelovii Jos. Burtt Davy 1900-6-7 6671 Contra Costa near Martinez Comment
  UC1561249  Helenium puberulum Barbara Ertter 1989-9-30 8863 Contra Costa East Bay Skyline Nat'l Recreation Trail (=Nimitz Way) just n Tilden Park border (e of El Cerrito); Wildcat Canyon Regional Park Comment
  UC566690  Helenium puberulum H. L. Mason 1924-11-23 1162 Contra Costa Las Trampas Creek Comment
  UC691763  Helenium puberulum Mary L. Bowerman 1930-8-24 413 Contra Costa Mitchell Canyon just above edge of road Mount Diablo Comment
  CAS-BOT-BC305320  Helianthella castanea John Thomas Howell 1940-4-21 15398 Contra Costa Pine Canyon, Mt. Diablo Comment
  JEPS21041  Helianthella castanea R. F. Hoover 1939-4-13 4014 Contra Costa head of west branch Markley Canyon Comment
  UC62937  Helianthella castanea H. M. Evans 1907-4-6 Contra Costa Pine Canyon, Mt. Diablo Comment
  UCD132760  Helianthella castanea H. A. Stout; T. C. Wainwright 1980-3-27 1 Contra Costa Mallory Ranch, around 1 mile east of Morgan Territory road. 621 Comment
  RSA0012947  Helianthus californicus Joseph A. Ewan 1933-10-15 8037 Contra Costa SW slope of Mount Diablo. Comment
  POM301045  Helianthus gracilentus Mary L. Bowerman 1935-5-22 3055 Contra Costa Mt. Diablo: Saddle west of Twin Peaks (Eagle Point ridge). Chapparal from saddle up to Twin Peaks (southwest face) and downwards into Uncle Sam Canyon. Comment
  UC2027833  Helianthus gracilentus Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17632 Contra Costa Northwest flank of Mount Diablo, Ginochio property north of park boundary, upper end of Government Road on Long Ridge. Comment
  UC1795839  Helianthus tuberosus Barbara Ertter 1995-9-30 14526 Contra Costa North bank of Cerrito Creek at end of Yosemite Avenue in El Cerrito, foot of Albany Hill; stonework bank at edge of overgrown sluggish creek. Comment
  UC1063893  Heliotropium curassavicum H. S. Yates 1934-9-2 4073 Contra Costa 1 mi. n.e. Danville; Mt. Diablo Quad. 450 Comment
  UC650558  Heliotropium curassavicum Ira L. Wiggins 1930-4-18 4606 Contra Costa Jersey Isl. Comment
  UC1584687  Helminthotheca echioides Jerry Powell 1987-7-14 1503 Contra Costa Point Molate Beach Comment
  UC691806  Helminthotheca echioides Mary L. Bowerman 1932-11-19 1660 Contra Costa on bank of grey material excavated from tunnel to Club Spring No. 4 (Mountain Springs Canyon); Mount Diablo, , Mountain Springs Canyon Comment
  UC570418  Hemizonia congesta subsp. luzulifolia Chas. M. Belshaw 1936-10-26 2722 Contra Costa fallow fields near Walnut Creek; Coast Ranges Comment
  UC697176  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa w Sycamore Creek (roadside); Mount Diablo, Sycamore Valley Comment
  CAS-BOT-BC314851  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-7-7 1740 Contra Costa 10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County Comment
  CAS-BOT-BC314862  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1938-9-11 3713 Contra Costa Curry Canyon where Sulphur Spring Canyon joins it, Mount Diablo 259 Comment
  UC691542  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1932-5-1 1405 Contra Costa grassy knoll e of creek and just n water tank; Mount Diablo, Alamo Canyon Comment
  RSA181368  Hemizonia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  SEINET5782065 Image available Hemizonia fitchii L. S. Rose 1941-10-13 41464 Contra Costa 1 mi E of Walnut Creek Comment
  SEINET8734812 Image available Hemizonia fitchii L. S. Rose 1941-1 41464 Contra Costa 1 mile east of Walnut Creek 50 Comment
  POM30955  Hemizonia kelloggii Katherine Brandegee 1907-5-5 19 Contra Costa Near Antioch. Comment
  SBBG44745  Heracleum maximum Leota Davidson 1966-5-2 417 Contra Costa Hwy 24 near Walnut Crk turn-off Comment
  JEPS111922  Hesperocnide tenella Dean G. Kelch and Andrew G. Murdock 2004-3-5 AGM 213 Contra Costa Martinez - Rankin Open Space. 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-BC167437  Hesperolinon breweri A. D. E. Elmer 1903-7-1 4545 Contra Costa Mount Diablo Comment
  CAS-BOT-BC167439  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-BC167445  Hesperolinon breweri K. C. 1884-6-1 s.n. Contra Costa Antioch Comment
  RSA0031306  Hesperolinon breweri Barbara Ertter 2000-5-14 17000 Contra Costa Donner Canyon on north side of Mount Diablo. 335 Comment
  RSA151584  Hesperolinon breweri H. K. Sharsmith 1947-6-2 3947 Contra Costa Headwaters of marsh Creek, on shale (?), 0.6 miles from summit of Clayton-Tassajaro-Livermore road, Mount Diablo 305 Comment
  SBBG29918  Hesperolinon breweri J. T. Howell 1942-7-19 Contra Costa NE of Deer Flat, Mt Diablo Comment
  UC84831  Hesperolinon breweri Mrs. K. Brandegee 1907-6-16 34 Contra Costa hills between Antioch and Marsh Creek (on e side of Mt. Diablo) 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
  JEPS32302  Hesperolinon micranthum W. L. Jepson May 23 1891-May 24 1891 13540 Contra Costa Mount Diablo Comment
  POM139233  Hesperolinon micranthum A. D. E. Elmer 1903-07 4545 Contra Costa Mount Diablo Comment
  CAS-BOT-BC422501  Hesperomecon linearis A. A. Heller 1908-4-16 8890 Contra Costa East of Antioch 22 Comment
  UC35090  Hesperomecon linearis W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  JEPS112086  Heteromeles arbutifolia D. G. Kelch 2004-3-13 04 .38 Contra Costa Vaca Canyon. Alhambra Valley Road 165 Comment
Read comments
Sep 3 2013
  JEPS99982  Heteromeles arbutifolia G. Smick 2003-2-20 GAS 50 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC727697  Heterotheca grandiflora Milo S. Baker 1946-9-3 11575 Contra Costa n of Antioch (delta region ot the Sacramento and San Joaquin Rivers); Sacramento River, San Joaquin River Comment
  UC903039  Heterotheca grandiflora Ethel Crum 1935-12-8 1731 Contra Costa along Sacramento River San Joaquin Valley, Sacramento River Comment
  RSA39828  Heterotheca sessiliflora subsp. echioides P. A. Munz 1947-10-8 12189 Contra Costa Antioch 12 Comment
  UC2012984  Heterotheca sessiliflora subsp. echioides Barbara Ertter with Lisa Schultheis 1996-9-2 15275 Contra Costa South side of Mount Diablo, west end of Blackhawk Ridge. Comment
  UC2028291  Heuchera micrantha Barbara Ertter, Dan Norris 1998-6-18 16226 Contra Costa Lower Devil's Slide trail along W Fork Sycamore Creek (madrone Canyon), south side of Mount Diablo. Comment
  CAS-BOT-BC424187  Heuchera micrantha var. hartwegii Alice Eastwood 1923-5-4 11706 Contra Costa Mt Diablo Comment
  CAS-BOT-BC203381  Hibiscus lasiocarpos var. occidentalis Vincent Jones 1920-8-29 s.n. Contra Costa Orwood Comment
  UC691430  Hieracium albiflorum Mary L. Bowerman 1933-6-14 2282 Contra Costa crest Inner Black Hills (Mount Diablo); Mount Diablo Comment
  CDA15278  Hirschfeldia incana G. F. Hrusa, D. Crowe, R. York 1998-7-17 14715 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  UC16313  Hoita orbicularis McLean March, 1875 Contra Costa Mt. Diablo Comment
  JEPS97580  Holcus lanatus R. D. Stone 1980-7-13 275 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) 396 Comment
  UCD84891  Holcus mollis David L. Hanson 1978-3-7 s.n. Contra Costa Contra Costa County. Comment
  UC1069572  Holocarpha heermannii H. S. Yates 1934-9-2 4085 Contra Costa 2 mi s Mt. Diablo; Mt. Diablo Quadrangle Comment
  CAS-BOT-BC325826  Holocarpha heermannii Lewis S. Rose 1941-10-13 41465 Contra Costa 1 mile east of Walnut Creek 50 Comment
  CAS-BOT-BC325830  Holocarpha heermannii John Thomas Howell 1930-9-28 5487 Contra Costa 1 mile from Walnut Creek on Walnut Avenue to Concord 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
  RSA0033853  Holocarpha obconica Barbara Ertter 2002-11-11 18072 Contra Costa Round Valley Regional Preserve east of Mount Diablo, along Round Valley Creek/Miwok Trail. 91 Comment
  CAS-BOT-BC320247  Holocarpha obconica John Thomas Howell 1930-9-28 5500 Contra Costa 6.3 miles from Byron on Marsh Creek Road Comment
  CAS-BOT-BC320249  Holocarpha obconica H. M. Hall 1930-8-7 12846 Contra Costa Vasco Road at Junction 4 miles west of Byron Comment
  CAS-BOT-BC320258  Holocarpha obconica David D. Keck; J. Clausen 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  CAS-BOT-BC320260  Holocarpha obconica John Thomas Howell 1930-9-28 5501 Contra Costa On the Marsh Creek Road, 5.4 miles from Byron Comment
  SEINET11847624  Holocarpha obconica L. S. Rose 1938-1 38309 Contra Costa Marsh Creek, 8 mi W of Byron 61 Comment
  POM298273  Holocarpha obconica subsp. autumnalis D. D. Keck, Jens Clausen 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road. Comment
  SEINET5782142 Image available Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi W of Byron Comment
  LA203994  Holocarpha virgata John Thomas Howell; 1930-9-28 5501 Contra Costa on the Marsh Creek Road, 5.4 mi. from Byron 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
  POM360683  Holocarpha virgata subsp. virgata L. S. Rose 1932-10-2 32654 Contra Costa Marsh Creek Road. Comment
  RSA449754  Holodiscus discolor Thekla Mohr 1917-07 3255 Contra Costa Mount Diablo Comment
  RSA449755  Holodiscus discolor Bonnie C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. 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
  CAS-BOT-BC152593  Holodiscus discolor var. discolor Alice Eastwood 1915-6-21 4733 Contra Costa San Leandro Comment
  CDA29576  Hordeum brachyantherum D. G. Kelch, Troy MacGregor 2009-5-1 9 .288 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  RSA0016873  Hordeum brachyantherum H. de Forest 1930-5-7 s.n. Contra Costa Road near Morage. Comment
  UCD85761  Hordeum jubatum V. P. Osterli 1951-7-1 s.n. Contra Costa Oakley area. Comment
  CDA37284  Hordeum marinum subsp. gussoneanum D. G. Kelch 2011-3-31 11 .07 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  RSA756860  Hordeum marinum subsp. gussoneanum Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8121 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  CAS-BOT-BC289561  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1931-5-13 846 Contra Costa Pine Canyon floor slightly more than a mile above the sulphur spring, Mount Diablo Comment
  SEINET10826946  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1928-4-15 Heller 14498 Contra Costa Low ground near Byroa in clay soil. Comment
  SEINET10595762  Hordeum murinum Ball 1975-3-2 BALL 456 Contra Costa In area #4. On beach ca. 30 yds. S of dam on E side of lake. Accompanying species include Bromus rigidus, etc. Soil sandy clay. 32 Comment
  UC50688  Hordeum murinum subsp. leporinum Jos. Burtt Davy 1899-4-19 7868 Contra Costa Moraga Valley Comment
  UC14231  Horkelia californica subsp. dissita N. K. Chestnut Contra Costa Mt. Diablo Comment
  UC521670  Horkelia californica subsp. dissita Joseph Andorfer Ewan 1933-10-15 8023 Contra Costa Above Indian Ceremonial Spr.; Mt. Diablo Comment
  SEINET11263166  Horkelia californica subsp. dissita Barbara Ertter, Chris Thayer 1996-10-25 15385 Contra Costa West side of Mount Diablo, North Gate Road 1.0 roadmiles NW of Junction, spring near road.; 0 579 Comment
  UCD106066  Hosackia crassifolia P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UC24109  Hydrophyllum occidentale State Survey 1800-1 1176 Contra Costa Mt. Diablo summit; Mt. Diablo Comment
  JEPS100042  Hypericum calycinum A. Langston 2003-6-23 AL 54 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site 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
  JEPS127045  Hypochaeris glabra Lowell Ahart, Josephine Guardino 2016-4-19 20765 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
  UC2028113  Hypochaeris glabra Barbara Ertter with Christopher Baysdorfer 1998-5-10 16108 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, roadside not far from Valley Vista trailhead. Comment
  RSA0013874  Ibicella lutea G. Thomas Robbins 1959-8-1 4114 Contra Costa Recently completed frontage road just south of Mt. Diablo Blvd. (about 0.5 mi. E of concrete bridge at Charles Hill and about 0.2 mi. W of junction of Hidden Valley Road), about 2 mi. W of Lafayette. 145 Comment
  CAS-BOT-BC133498  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns Island Comment
  UC1789185  Iris foetidissima Barbara Ertter 2000-5-20 17025 Contra Costa Sibley Volcanic Regional Preserve, Oakland Hills, trail on ridge behind interpretative center. Comment
  UC692078  Isoetes howellii Mary L. Bowerman 1935-7-22 3187 Contra Costa s. side Meridian Peak (Hidden Pond); Mt. Diablo, Hidden Pond 518 Comment
  CAS-BOT-BC324755  Iva axillaris James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324756  Iva axillaris G. Thomas Robbins 1958-7-19 3909 Contra Costa Just south of Castro Point, San Francisco Bay, Richmond Comment
  UCD133390  Iva axillaris M. Wiesendanger 1926-6-26 1566 Contra Costa Richmond. Comment
  CHSC93636  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-10-8 9 Contra Costa City of Lafayette Community Park, W side of Las Trampas Creek, 1 m E of backyard property line of home at 615 Burton Rd. 119 Comment
  JEPS8459  Juglans californica var. hindsii Rimo Bacigalupi with C. Ritchie Bell 1951-4-13 3253 Contra Costa along creek 1 1/4 mi ne St. Mary's College; Las Trampas Creek 167 Comment
  UC1205990  Juglans californica var. hindsii Joseph P. Tracy 1933-12-1 13130 Contra Costa along creek between Lafayette and Moraga Comment
  CAS-BOT-BC102308  Juglans hindsii L. R. Abrams 1916-7-29 6306 Contra Costa Walnut Creek Comment
  POM166816  Juglans hindsii L. R. Abrams 1916-7-29 s.n. Contra Costa Walnut Creek Comment
  CDA32294  Juncus ambiguus G. F. Hrusa, D. Crowe 1998-5-8 14363 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  CDA9369  Juncus arcticus subsp. balticus D. G. Kelch 2006-7-14 6 .334 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  SEINET3840813  Juncus arcticus subsp. littoralis Unknown 2006-7-14 6 .326 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  SEINET11263178  Juncus articulatus Barbara Ertter 1996-9-19 15300 Contra Costa Antioch Marina, edge of bay in Dow Marshlands.; 0 Comment
  JEPS112439  Juncus balticus D. G. Kelch 2004-4-26 04 .134 Contra Costa Point Pinole Pt Pinole 3 Comment
  UC1619919  Juncus balticus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10681 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers opposite Pittsburg Marina, marsh at edge of lagoon in center of w end of island); Browns Island Comment
  UC2028285  Juncus balticus Barbara Ertter 1998-6-20 16238 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Alkali Pond at Wiget Lane entrance. Comment
  CHSC116624  Juncus balticus subsp. ater Lowell Ahart; Josephine Guardino 2016-4-19 20785 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along a small drainage, west of the poor dirt road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  UCD141335  Juncus balticus subsp. ater Ann F. Johnson 1978-5-26 AN- 29 Contra Costa San Jaoquin River, PG and E site, Antioch Dunes. Comment
  JEPS111070  Juncus bufonius var. bufonius Lee Echols 2003-6-3 s.n. Contra Costa N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  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
  CDA15268  Juncus mexicanus G. F. Hrusa, D. Crowe 1998-5-8 14399 Contra Costa Sacramento Delta; Drainage ditch parallel to Antioch-Pittsburg Hwy, at E end of Dow Chemical property. Comment
  UC692075  Juncus mexicanus Mary L. Bowerman 1933-4-22 1884 Contra Costa nw end Shell Ridge (s of the highway (Heather Farm)); Mount Diablo 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
  JEPS102917  Juncus phaeocephalus var. paniculatus Barbara Ertter 1998-5-3 16061 Contra Costa wet meadow below Stage Road SE of Turtle Rock Ponds; Mount Diablo 304 Comment
  UC480589  Juniperus californica Carl Meyer 1928-2-22 282 Contra Costa Mt. Diablo Comment
  UC692074  Juniperus californica Mary L. Bowerman 1933-11-9 2470 Contra Costa between Sheepherder's Spring and Chase Pond (on the w side of canyon); Mount Diablo Comment
  UC81  Juniperus californica A. Kellogg 78 Contra Costa Mt. Diablo Comment
  POM300616  Juniperus californica Mary L. Bowerman 1930-9-9 449 Contra Costa Mount Diablo: North Peak above Gabriel-Hinks : at top of a draw Comment
  RSA123532  Juniperus californica R. C. Wilson 1935-3-29 150 Contra Costa 1 mile southwest of Mt. Diablo Comment
  CAS-BOT-BC235872  Keckiella corymbosa Paul F. Covel 1938-7-1 1472 Contra Costa Summit Mt. Diablo Comment
  JEPS55998  Keckiella corymbosa L. R. Heckard and R. Bacigalupi 1968-6-27 Contra Costa Bald Ridge Mt. Diablo (along trail to Eagle Peak, ne of Deer Flat) 670 Comment
  SD243323  Kochia scoparia C. Thayer, Erin McDermott 2006-8-23 82306 a Contra Costa Antioch, northwest corner of Deer Valley Road and Lone Tree Way. Also noted near front of Prewett Family Water Park, 0.4 miles east near Aqueduct right of way. (CCCDA mostly eradicated both colonies in September). 45 Comment
  JEPS70570  Koeleria macrantha W. L. Jepson 1918-6-5 7601 Contra Costa Donner Canyon Mt. Diablo; vicinity of San Francisco Bay, Mt. Diablo 533 Comment
  UC692395  Koeleria macrantha Mary L. Bowerman 1933-5-3 1983 Contra Costa Alder Creek Canyon Mount Diablo; , Alder Creek Canyon 731 Comment
  CAS-BOT-BC273614  Koeleria pyramidata Mary L. Bowerman 1933-5-2 1962 Contra Costa Mount Diablo. Below Pioneer Camp 762 Comment
  UC1050315  Kolkwitzia amabilis N. Floy Bracelin 1943-7-4 1584 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC340425  Lactuca saligna John Thomas Howell 1932-10-16 10819 Contra Costa Near San Ramon Comment
  UC691777  Lactuca serriola Mary L. Bowerman 1930-10-4 483 Contra Costa Maple Spring Mount Diablo Comment
  CAS-BOT-BC340543  Lactuca serriola R. E. Frenkel 1963-8-18 264 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC912318  Laennecia coulteri Herbert L. Mason 1929-9-21 5443 Contra Costa one mile e of junction of Bordon Highway and road to Antioch; Antioch, Borden Highway Comment
  JEPS128773  Lamarckia aurea Kevin Hintsa 2000-6-5 Contra Costa 3101 Finley Road at SE base of Mount Diablo. Comment
  UC2043144  Lamium amplexicaule Barbara Ertter with David Gowen 2015-2-22 22228 Contra Costa Green Ranch area on Mount Diablo SE of summit, between Green Ranch Road and Alder Creek. Comment
  UCD125108  Lamium amplexicaule Terri Williamson 1990-4-15 9 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  CAS-BOT-BC412725  Lastarriaea coriacea James McMurphy 1909-5-20 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC412726  Lastarriaea coriacea Alice Eastwood 1921-4-18 10275 Contra Costa Antioch Comment
  JEPS103664  Lastarriaea coriacea David Gowen 2003-7-6 Contra Costa Lime Ridge Open Space, N end 182 Comment
  CAS-BOT-BC337978  Lasthenia californica Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  UC1614099  Lasthenia californica subsp. californica Charles M. Belshaw 1935-6-24 782 Contra Costa 0.5 mi. e. Grizzly Peak (n. face Bald Peak); Bald Peak Comment
  UC194264  Lasthenia conjugens Edward Lee Greene 1887-4-16 Contra Costa Antioch Comment
  CAS-BOT-BC324480  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs Comment
  POM11966  Lasthenia ferrisiae Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  UC1363770  Lasthenia ferrisiae Robert Ornduff 1958-4-23 4945 Contra Costa 0.9 mi e junction of Bixler Road and Highway 4 (n of Hwy 4, n of Byron) Comment
  UC1585874  Lasthenia ferrisiae Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8124 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) Comment
  CAS-BOT-BC353332  Lasthenia fremontii Peter H. Raven; H. L. Mason; et al. 1957-4-4 10587 Contra Costa Vernal flats 3 miles S of Byron. Comment
  JEPS111488  Lasthenia glaberrima Nancy Hillyard 2004-5-18 884 Contra Costa Briones Park Comment
  UC194265  Lasthenia glaberrima Edward Lee Greene 1886-5-24 Contra Costa Mt. Diablo Comment
  UCR197915  Lasthenia glaberrima Beecher Crampton 1950-5-10 573 Contra Costa 1 mile north of Richmond, along Santa Fe Railroad tracks 11 Comment
  CAS-BOT-BC352927  Lasthenia glaberrima A. D. E. Elmer 1903-5-1 4321 Contra Costa Walnut Creek Comment
  JEPS116855  Lasthenia glaberrima David Gowen 2007-4-16 675 Contra Costa Briones Regional Park in the northern Maricich Lagoon. Comment
  UC62999  Lasthenia glabrata subsp. glabrata H. M. Hall 1901-3-21 1703 Contra Costa Martinez Comment
  UC90039  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UCD133763  Lasthenia glabrata subsp. glabrata P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Comment
  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
  CAS-BOT-BC361121  Lasthenia microglossa Kellogg 1870-1-1 s.n. Contra Costa Antioch Comment
  CDA9498  Lasthenia platycarpha D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .223 Contra Costa Byron Airport. Comment
  JEPS81844  Lasthenia platycarpha Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-10 6967 Contra Costa 1 mi se Byron (in fields e of Byron road) 6 Comment
  JEPS9902  Lasthenia platycarpha Greene 1889-3-23 Contra Costa Byron Comment
  UCD33427  Lasthenia platycarpha Beecher Crampton 1968-3-27 8236 Contra Costa S.E. corner of County, ca. 3.5 miles south of Byron. Comment
  CAS-BOT-BC204904  Lathyrus Paul F. Covel 1936-5-17 154 Contra Costa Mt Diablo, on trail summit-north peak Comment
  UC2028326  Lathyrus jepsonii var. californicus Barbara Ertter with Richard K. Brummitt 1998-5-13 16140 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, south leg of Loughler Loop Trail just west of pass over central ridge. Comment
  JEPS55375  Lathyrus vestitus var. vestitus W. L. Jepson 1918-6-5 7615 Contra Costa Donner Canyon Mt. Diablo 701 Comment
  UC692407  Lathyrus vestitus var. vestitus Mary L. Bowerman 1930-6-5 257 Contra Costa 5.8 mi by road from North Gate (North Road); Mount Diablo 457 Comment
  JEPS55368  Lathyrus vestitus var. vestitus W. L. Jepson 1891-6-9 13633 Contra Costa e side Berkeley Hills (at the Fish Ranch) Comment
  UC1819260  Lathyrus vestitus var. vestitus Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12332 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, southeast side of hill, with dense patches of Wyethia angustifolia. 30 Comment
  CDA15250  Lavatera cretica G. F. Hrusa, D. Crowe 1998-5-8 14381 Contra Costa Sacramento Delta; Adjacent to Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  JEPS100063  Lavatera cretica A. Langston 2003-7-7 AL 59 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCR265179  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh. 4 Comment
  RSA666403  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay. Comment
  SEINET7085230  Lavatera olbia Steven R. Hill 2010-7-19 38531 Contra Costa Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83. 122 Comment
  CHSC23345  Layia chrysanthemoides Willis Ball 1975-3-22 497 Contra Costa In area #5. Field ca. 200 yds due e of main boat ramp. 36 Comment
Read comments
May 24 2013
  UC1315007  Layia chrysanthemoides R. F. Hoover 1967-4-28 10506 Contra Costa Byron Hot Springs Comment
  UC30649  Layia gaillardioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  UC30627  Layia glandulosa The Postmaster 1900-3-24 Contra Costa Oakley Comment
  UC761860  Layia glandulosa R. F. Hoover 1935-3-10 315 Contra Costa Antioch Comment
  UC89240  Layia glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  CAS-BOT-BC321085  Layia glandulosa Brandegee no date on sheet s.n. Contra Costa Antioch Comment
  JEPS13426  Layia glandulosa R. F. Hoover 1937-5-14 2115 Contra Costa Comment
  CAS-BOT-BC327248  Layia hieracioides David D. Keck 1941-6-5 5307 Contra Costa Berkeley Hills, Fish Creek Rd., 0.25 mi W of E. portal of Broadway Tunnel 335 Comment
  RSA34206  Layia hieracioides D. D. Keck 1941-6-5 5307 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  UC691546  Layia hieracioides Mary L. Bowerman 1933-5-18 2133 Contra Costa SW corner S5 R1S R1E Comment
  UC905616  Layia hieracioides David D. Keck 1941-6-5 5307 Contra Costa 1/4 mi w of e portal of Broadway Tunnel Fish Creek Rd.; Berkeley Hills Comment
  CAS-BOT-BC370665  Layia platyglossa Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  UC691489  Layia platyglossa Mary L. Bowerman 1933-5-10 2063 Contra Costa ridge below Indian Ceremonial Spring; Mount Diablo 914 Comment
  UC691491  Layia platyglossa Mary L. Bowerman 1933-6-7 2261 Contra Costa North Peak Ridge Mount Diablo, North Peak Ridge 1021 Comment
  UC697166  Layia platyglossa Mary L. Bowerman 1935-4-26 2916 Contra Costa ridge w of Indian Ceremonial Spring; Mount Diablo 1005 Comment
  CAS-BOT-BC370666  Layia platyglossa H. M. Hall 1901-4-5 1750 Contra Costa Mt. Diablo near summit Comment
  CAS-BOT-BC377913  Layia platyglossa Kellogg; Brannan 1880-4-23 s.n. Contra Costa Antioch 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
  UC2028000  Layia platyglossa Barbara Ertter, Tony Morosco 1998-4-12 16019 Contra Costa Mount Olympia on north side of Mount Diablo, around rocks at summit. Comment
  UC1607502  Lemna minor Barbara Ertter, Brad Olson 1991-9-28 10850 Contra Costa between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir 97 Comment
  UC692083  Lemna minuscula Mary L. Bowerman 1932-8-27 1518 Contra Costa s of Turtle Rock (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC534639  Lemna minuta Ira L. Wiggins 1930-4-18 4607 Contra Costa Jersey Island Comment
  JEPS111002  Lepechinia calycina W. L. Jepson Jun 1909 Contra Costa Mt. Diablo Comment
  UC1124480  Lepechinia calycina R. W. Lundh 1932-8-25 141 Contra Costa Mount Diablo 822 Comment
  CAS-BOT-BC215738  Lepechinia calycina H. E. McMinn 1922-6-2 99 Contra Costa Road side leading up to Mt. Diablo Comment
  CDA43402  Lepidium acutidens Michael Pitcairn & Dean Kelch 2015-3-6 s.n. Contra Costa South end of the Byron Airport. 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
  RSA537493  Lepidium dictyotum Barbara Ertter, Jim Jokerst 1989-4-5 8142 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  CDA24905  Lepidium dictyotum var. acutidens Jim Jokerst 1989-3-29 3074 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  CHSC67911  Lepidium dictyotum var. acutidens James D. Jokerst 1989-3-29 3069 Contra Costa 0.25 mi S of Byron Hot Springs NE of Livermore. Comment
  RSA788058  Lepidium dictyotum var. acutidens L. S. Rose 1949-3-24 49012 Contra Costa 4 mi south of Byren 8 Comment
  CDA24908  Lepidium dictyotum var. dictyotum Jim Jokerst 1989-3-29 3073 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  UC1606361  Lepidium latifolium Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10717 Contra Costa n of Pittsburg (w-most point opposite Pittsburg marina, near confluence of Sacramento and San Joaquin rivers); Browns Island Comment
  CAS-BOT-BC89716  Lepidium latifolium Walter Knight 1978-8-12 3231 Contra Costa Ca. 0.8 mile east of Point Pinole. Comment
  RSA759893  Lepidium latifolium Barbara Ertter, CNPS 1990-9-16 9649 Contra Costa Southeast side of Holland Track northeast of Brentwood, edge of parking area for marina near field. Comment
  POM172656  Lepidium latipes Chesnut, E. R. Drew 1889-4-16 s.n. Contra Costa Concord. Comment
  JEPS116958  Lepidium latipes var. latipes David Gowen 2008-4-6 841 Contra Costa East of Marsh Creek Road on north side of Camino Diablo Road, near stock pond. Comment
  CAS-BOT-BC89891  Lepidium nitidum Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  UC402590  Lepidium nitidum I. J. Condit 1913-3-19 Contra Costa Walnut Creek Comment
  JEPS100081  Lepidium nitidum var. nitidum G. Smick 2003-3-4 GAS 60 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1585875  Lepidium nitidum var. oreganum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8127 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay) Comment
  JEPS16599  Lepidium oxycarpum Edward Lee Greene 1888-4-17 Contra Costa Wildcat Creek Comment
  UCD37376  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa Contra Costa County, 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  UCD63958  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  UCR152069  Leptochloa uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 mi south of Brentwood, along Vasco Road, just N of its junction with Mount Diablo Road 40 Comment
  UCD102370  Leptosiphon androsaceus Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 470 Comment
  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
  RSA77965  Leptosiphon ciliatus Verne Grant, Alva Grant 1948-5-15 8503 Contra Costa Wooded north-facing slopes of Sommerville Range, on Summerville- Antioch road Comment
  UCD118881  Leptosiphon liniflorus J. M. Tucker 1963-4-12 3686 Contra Costa on west side of Holey Road, 3 miles southeast of Byron. Comment
  CAS-BOT-BC324117  Lessingia glandulifera var. glandulifera L. S. Rose 1955-10-17 55185 Contra Costa Antioch 15 Comment
  CAS-BOT-BC324119  Lessingia glandulifera var. glandulifera T. S. Brandegee 1883-1-1 s.n. Contra Costa Antioch Comment
  JEPS100184  Lessingia glandulifera var. glandulifera David Gowen 2003-7-6 s. n. Contra Costa Lime Ridge Open Space; Ridge trail in the N section of the park and S of the water tank Comment
  UCD134065  Lessingia glandulifera var. glandulifera Peter Rubtzoff 1954-9-14 1751 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  CAS-BOT-BC444385  Lewisia rediviva Paul F. Covel 1940-5-12 s.n. Contra Costa Summit, Mt. Diablo Comment
  JEPS25155  Leymus X multiflorus G. Thomas Robbins with John Weiler 1959-5-23 4026 Contra Costa Brooks Island San Francisco Bay, Richmond (slopes on w side) Comment
  UC1103210  Leymus X multiflorus Joseph P. Tracy 1932-9-10 10787 Contra Costa Franklin Canyon North Coast Ranges (head, on Pinole-Martinez Rd) 152 Comment
  UCD92455  Leymus X multiflorus Beecher Crampton 1956-5-14 3424 Contra Costa 3.2 miles W of Martinez, on the road to Crockett. Above Suisun Bay. Comment
  UCD92459  Leymus X multiflorus G. Thomas Robbins; John Weiler 1959-5-23 4026 Contra Costa West side of Brooks Island, San Francisco Bay, Richmond. Comment
  CDA32469  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Point Richmond on San Francisco Bay. 0 Comment
  JEPS129822  Leymus triticoides Dean G. Kelch 2006-6-23 06 .321 Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Comment
  RSA108330  Leymus triticoides Frank W. Gould 1941-5-16 1298 Contra Costa In roadside ditch, 1/2 mile east of Lafayette on C.S. Highway 24. Comment
Read comments
Nov 1 2011
  UC53466  Leymus triticoides Jos. Burtt Davy 1900-6-7 6658 Contra Costa near Pacheco Comment
  CAS-BOT-BC272217  Leymus triticoides Walter Knight 1965-9-7 1174 Contra Costa Along San Joaquin River bank, Antioch dunes Comment
  JEPS111522  Ligustrum sinense D. G. Kelch 2005-5-5 05 .207 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  CAS-BOT-BC451580  Lilaea scilloides Walter Knight 1977-6-12 s.n. Contra Costa Morgan Territory land bank (se. of Mt. Diablo at head of Marsh Creek) 585 Comment
  UC1057450  Limnanthes douglasii subsp. nivea G. Thomas Robbins 1937-4-25 150 Contra Costa near Walnut Creek Comment
  UC1192285  Limnanthes douglasii subsp. rosea Helen K. Sharsmith 1951-3-18 1911 Contra Costa ca 1.5 mi s Byron Comment
  UCD170113  Limnobium laevigatum R. Breckenridge; K. Filippini 2010-10-1 s.n. Contra Costa Sacramento/San Joaquin Delta. Bradford Island. Comment
  SD180583  Limonium californicum Beecher Crampton 1950-8-5 632 Contra Costa San Pablo Canal, northwest of Richmond. Comment
  UCD35164  Limonium californicum Beecher Crampton 1950-8-5 632 Contra Costa San Pablo Canal, NW of Richmond. Comment
  RSA721868C  Limonium sinuatum Barbara J. Ertter, Brad Olson 1994-5-7 12767 Contra Costa Western Drive to Point Molate, NW of Richmond -San Rafael bridge to toll plaza. Roadside near entrance to Point Molate Naval site. Comment
  JEPS113037  Linanthus androsaceus Dean W. Taylor 1994-3-30 14116 Contra Costa Mt. Diablo (in Mt. Diablo State Park); 2 mi S along North Gate Road from the North Gate kiosk, 426 Comment
  UC908685  Linanthus androsaceus Herbert L. Mason 1928-4-15 4349 Contra Costa e end Moraga Ridge Comment
  UC1925900  Linanthus ciliatus Donald G. Nelson 1937-4-29 517 Contra Costa Road from Pinole S towards Alhambra Road. 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
  JEPS123332  Linanthus parviflorus David Gowen with Chris Thayer 2010-4-30 1090 Contra Costa North of Briones Reservoir. Rocky area on hill above Oursan Trail just west of its junction with Hampton Trail. Comment
  CHSC114301  Linum bienne D. G. Kelch 2011-5-28 11 .537 Contra Costa Carquinez Strait Region.: W. of Martinez. N of end of Hillside Pl. 182 Comment
  JEPS99949  Lithophragma affine G. Smick 2003-4-3 GAS 67 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618055  Lithophragma affine Donald G. Nelson 1937-3-30 467 Contra Costa along Marsh Creek Road between Claytonville and Byron; Marsh Creek Road Comment
  UC692420  Lithophragma affine Mary L. Bowerman 1933-4-15 1852 Contra Costa canyon S of Arroyo del Cerro Comment
  CAS-BOT-BC435625  Lithophragma heterophyllum Mary L. Bowerman 1931-3-21 585 Contra Costa Sycamore Canyon Comment
  CDA25419  Lithophragma heterophyllum A. G. Murdock, D. G. Kelch 2004-4-3 257 Contra Costa Vaca Canyon. Comment
  CHSC107516  Lithophragma heterophyllum D. G. Kelch 2006-5-4 06 .124 Contra Costa Coast Range: Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. 162 Comment
  UC1300838  Lithophragma heterophyllum Helen K. Sharsmith 1963-3-3 5193 Contra Costa near Moraga (Las Trampas Canyon E of St. Mary's College) 259 Comment
  CHSC57511  Lithophragma parviflorum var. parviflorum Willis Ball 1975-4-19 522 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
  UC1050466  Lobelia laxiflora N. Floy Bracelin 1941-5-4 1262 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1005823  Lobelia tupa N. Floy Bracelin 1944-10-15 2815 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1819053  Logfia filaginoides Barbara Ertter, Chris Thayer 1995-4-25 13994 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  JEPS33573  Logfia gallica W. L. Jepson 1943-5-27 20839 Contra Costa Black Hills Mt. Dialo, Black Hills Comment
  UC1795896  Logfia gallica Barbara Ertter, Chris Thayer 1995-4-25 13992 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UC672236  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills 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
  JEPS75535  Lolium multiflorum P. F. Yorks 1976-5-31 508 Contra Costa 1.3 to 1.9 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve (n of Briones Reservoir); , n of Briones Reservoir 180 Comment
  UCR129697  Lolium perenne Terry J. O'Brien 1999-1 s.n. Contra Costa San Francisco Bay Area, eastern Richmond along boundary with El Cerrito, Mira Vista Park, adjacent to Mira Vista School 91 Comment
  CAS-BOT-BC269052  Lolium perenne D. E. Breedlove 1971-5-14 19340 Contra Costa Along Sierra Vista Way, Lafayette Comment
  UC691261  Lolium temulentum Mary L. Bowerman 1932-4-27 1367 Contra Costa Oyster Ridge, s face Mount Diablo (w-facing slope of ridge w of Riggs Canyon); , Oyster Ridge, s face Comment
  JEPS73314  Lomatium dasycarpum subsp. dasycarpum Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 741 Contra Costa near the boat harbor Richmond Comment
  POM287829  Lomatium macrocarpum Lyman Benson 1935-3-16 6264 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  JEPS17533  Lomatium nudicaule W. L. Jepson May 22 1891-May 23 1891 14314 Contra Costa Mt. Diablo Comment
  POM132672  Lomatium nudicaule A. D. E. Elmer 1903-05 4322 Contra Costa Mount Diablo Comment
  UC691422  Lomatium utriculatum Mary L. Bowerman 1935-5-30 3096 Contra Costa between the two ridges which converge at Twin Peaks (Eagle Point ridge) Mount Diablo 350 Comment
  UC1051201  Lonicera etrusca N. Floy Bracelin 1944-6-4 2245 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050904  Lonicera japonica N. Floy Bracelin 1942-6-7 2112 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1005863  Lonicera korolkowii N. Floy Bracelin 1944-5-7 2688 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS12852  Lonicera subspicata var. denudata W. L. Jepson 1920-9-6 9080 Contra Costa Donner Canyon, on ridge towards high spring under saddle Mt. Diablo Comment
  UC691484  Lonicera subspicata var. denudata Mary L. Bowerman 1935-5-25 3074 Contra Costa Rhine Canyon Mount Diablo 944 Comment
  UC691485  Lonicera subspicata var. denudata Mary L. Bowerman 1931-6-4 922 Contra Costa summit Mount Diablo (on n face) Comment
  UC1050946  Lonicera thibetica N. Floy Bracelin 1942-8-9 2245 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC200900  Lotus R. E. Frenkel 1964-2-5 356 Contra Costa On California Hwy. 21, Market Plaza Center, Alamo 79 Comment
  RSA720794  Lotus corniculatus Barbara J. Ertter, Kristin Ertter 1995-7-11 14473 Contra Costa Sulfur Srping on Pine Cr., Diablo Foothills Regional Park SWof Walnut Creek. 122 Comment
  POM161235  Lotus crassifolius Rimo Bacigalupi 1926-4-30 1350 Contra Costa Summit of Mt Diablo. Comment
Read comments
Nov 9 2011
  UC692530  Lotus humistratus Mary L. Bowerman 1933-5-2 1940 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  CDA27211  Lotus humistratus G. E. Sorensen 1963-5-24 Contra Costa North Gate Road, Mt. Diablo State Park. 0 Comment
  JEPS64884  Lotus junceus var. junceus W. L. Jepson 1944-7-23 27536 Contra Costa Moraga Ridge Comment
  UC692526  Lotus micranthus Mary L. Bowerman 1931-3-29 616 Contra Costa East Cave Point Ridge Mount Diablo Comment
  UC692265  Lotus purshianus var. purshianus Mary L. Bowerman 1930-6-18 335 Contra Costa Rock City Canyon (= Dan Cook Canyon), at upper end Mount Diablo Comment
  UC692268  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  UC692269  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  UC1300865  Lotus strigosus Helen K. Sharsmith 1963-4-7 5291 Contra Costa s of Antioch (near Oakley); San Francisco Bay Region 15 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
  PASA1117  Lotus subpinnatus Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  CAS-BOT-BC478075  Ludwigia Walter Knight 1978-9-28 3277 Contra Costa Browns Island, Botany Cove Comment
  POM77723  Lupinus affinis C. P. Smith 1922-5-20 3531 Contra Costa Oakland - Walnut Creek Road. Comment
  UC126957  Lupinus affinis A. V. Stubenranch 1892-5-9 Contra Costa Fish Ranch Road Comment
  CHSC67947  Lupinus albifrons James D. Jokerst 1989-3-31 3077 Contra Costa Rocky hillside E of creek in Brushy Creek Canyon. Comment
  UCD105988  Lupinus albifrons P. B. Kennedy 1929-4-21 s.n. Contra Costa Happy valley, road off from Lafayette. Comment
  UC1129295  Lupinus albifrons var. albifrons C. M. Belshaw 1936-5-8 2059 Contra Costa 2.25 mi e Clayton; Mt. Diablo quad 381 Comment
  UC127020  Lupinus albifrons var. albifrons W. L. Jepson May 22 1891-May 23 1891 Contra Costa Mt. Diablo Comment
  UC692573  Lupinus albifrons var. albifrons Mary L. Bowerman 1931-4-5 676 Contra Costa below Gregory Ranch Mount Diablo (Mt. Diablo) 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
  RSA29244  Lupinus albifrons var. albifrons Joseph A. Ewan 1934-3-10 8645 Contra Costa 2 mi. below Orinda Road bridge, Wildcat Canyon. Comment
  RSA174192  Lupinus albifrons var. collinus Jos. Burtt Davy 1897-4-17 s.n. Contra Costa Point Isabel Comment
  UC579856  Lupinus arboreus Annetta Carter 1936-4-19 1119 Contra Costa Red Rock; San Francisco Bay, Red Rock 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
  UC764122  Lupinus bicolor R. F. Hoover 1938-5-4 3343 Contra Costa peak e Tassajero Creek; peak e of Tassajero Creek Comment
  UCD107174  Lupinus bicolor Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  UCR12074  Lupinus bicolor Coleta A. Lawler 1964-5-8 057 Contra Costa San Francisco Bay Region, Hampton Road, 3 .7 mi south of junction with Alhambra Valley Road; c. 10 miles northwest of Lafayette 46 Comment
  UC2027757  Lupinus bicolor Barbara Ertter with Stu Garrett 1997-3-29 15522 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UCD107322  Lupinus bicolor L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace - m. Richmond. Comment
  RSA203627  Lupinus bicolor subsp. tridentatus J. T. Howell 1933-5-14 11250 Contra Costa Hills east of St. Marys college Comment
  SEINET10970226  Lupinus bicolor subsp. tridentatus Charles Piper Smith 1922-4-15 Smith 3492 Contra Costa Antioch - Southern Pacific Railroad Depot - 0.5 mi W. Comment
  CAS-BOT-BC187863  Lupinus chamissonis Alice Eastwood 1914-2-24 3735 Contra Costa Antioch Comment
  CAS-BOT-BC187857  Lupinus chamissonis John Thomas Howell 1926-12-27 2272 Contra Costa 1.5 miles S of Oakley Comment
  CAS-BOT-BC187864  Lupinus chamissonis D. E. Breedlove 1963-3-29 4281 Contra Costa Sacramento River at Antioch Comment
  SEINET10485248  Lupinus densiflorus var. menziesii Walker 1911-7-8 Walker 2526 Contra Costa Near point isabel, e shore of san francisco bay. Growing in sand banks along Railway. Fls bright yellow. Comment
  UCD107761  Lupinus formosus P. B. Kennedy 1916-5-11 12 Contra Costa Grand View Terrace; Richmond District. Comment
  RSA720840  Lupinus formosus var. formosus Barbara Ertter, Dianne Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14674 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay. Comment
  UC1618312  Lupinus latifolius var. latifolius Barbara Ertter with Laura Fujii 1990-7-21 9402 Contra Costa W of Pleasant Hill (Homestead Valley trail, at Bear Creek crossing; Briones Hills); Briones Regional Park 274 Comment
  UCD38731  Lupinus luteolus Beecher Crampton 1957-7-9 4274 Contra Costa 3 miles southeast of Crockett. On the road to Martinez. Comment
  CDA31091  Lupinus microcarpus var. densiflorus D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .216-B Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  JEPS112376  Lupinus microcarpus var. densiflorus Dean G. Kelch and Andrew G. Murdock 2003-6-2 88 Contra Costa Crockett - Eckley; County: Contra Costa; East of pier at base of cliff. Comment
  OBI59407  Lupinus microcarpus var. densiflorus Barbara Ertter, Elizabeth Neese 1988-4-24 7450 Contra Costa Black Diamond Mines Regional Preserve SW of Antioch, N of E-W part of Black Diamond Trl Comment
  UC1543065  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 515 Contra Costa Marsh Creek Road n Byron; Marsh Creek Road Comment
  UC201012  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC692275  Lupinus microcarpus var. densiflorus Mary L. Bowerman 1931-4-18 735 Contra Costa Green Valley Mount Diablo (Mount Diablo); , Green Valley Comment
  UCD108737  Lupinus microcarpus var. densiflorus P. B. Kennedy 1928-4-19 s.n. Contra Costa Byron Springs. Comment
  OBI60545  Lupinus microcarpus var. densiflorus Donald G. Nelson 1937-4-24 516 Contra Costa On Marsh Crk Rd, in rolling hill country N of Byron Comment
  CDA27537  Lupinus microcarpus var. microcarpus D. G. Kelch, A. G. Murdock 2005-5-6 5 .224 Contra Costa Franklin Canyon. East of Christie Road. South of Route 4. Comment
  UC1129577  Lupinus microcarpus var. microcarpus C. M. Belshaw 1936-5-11 2098 Contra Costa 5.25 mi e Danville; Mt. Diablo Quad. 289 Comment
  UC201022  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-19 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201026  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-16 Contra Costa Richmond Annex Comment
  UC201030  Lupinus microcarpus var. microcarpus Katharine Brandegee July, 1918 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UCD108866  Lupinus microcarpus var. microcarpus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  SD103751  Lupinus microcarpus var. microcarpus Walter Knight, Irja Knight 1979-5-6 3395 Contra Costa Orinda, Camino del Diablo Comment
  UC1795805  Lupinus microcarpus var. microcarpus Barbara Ertter, Lisa Schultheis 1995-4-27 14011 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
  JEPS107018  Lupinus pachylobus J. Greenhouse with Kevin Hintsa 2004-4-5 5089 Contra Costa Mt. Diablo, Fire Interpretive Trail 1112 Comment
  UC2031457  Lupinus pachylobus Barbara Ertter with David Gowen 2014-4-9 21709 Contra Costa Ridge running SE from Devil's Elbow on south side of Mount Diablo summit Comment
  SEINET10486145  Lupinus polycarpus Frenkel 1964-3-27 FRENKEL 409 Contra Costa On giant road, .4 mi n of atsf rr crossing, richmond. 15 Comment
  CDA37273  Lupinus succulentus D. G. Kelch 2011-3-31 11 .078 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  UC1300901  Lupinus succulentus Helen K. Sharsmith 1962-4-7 4916 Contra Costa Appian Way near El Sobrante (San Francisco Bay Region); San Francisco Bay region, Appian Way nr El Sobrante 121 Comment
  UC865486  Lupinus succulentus Lewis S. Rose 1941-3-13 41027 Contra Costa 7 mi w of Byron Marsh Creek (Marsh Creek) 60 Comment
  UC2028483  Luzula comosa Barbara Ertter 1998-5-3 16040 Contra Costa SW fork of Pine Creek between Pine Ridge and Wall Point Ridge, southwest base of Mount Diablo Comment
  UC692634  Lythrum californicum Mary L. Bowerman 1930-6-28 392 Contra Costa Mount Diablo, Lower Silver Spring Lower Silver Spring; Mount Diablo, Lower Silver Spring Comment
  UC692638  Lythrum hyssopifolia Mary L. Bowerman 1933-8-2 2393 Contra Costa Mount Diablo, Boulevard Spring, by West Road Boulevard Spring; Mount Diablo, Boulevard Spring Comment
  UC692635  Lythrum hyssopifolia Mary L. Bowerman 1932-11-19 1662 Contra Costa Mount Diablo, Stachys Spring, Mountain Springs Canyon, (below junction of pipes from numbers 3 and 4 club springs) Mountain Springs Canyon; Mount Diablo, Stachys Spring, Mountain Springs Canyon Comment
  UC33221  Madia elegans Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC912592  Madia exigua Herbert L. Mason 1932-5-4 7053 Contra Costa Laundry Farm Oakland Hills Comment
  CAS-BOT-BC342981  Madia gracilis Barrett Anderson 1987-4-30 3499 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  JEPS111637  Madia gracilis A. G. Murdock 2003-6-2 76 Contra Costa Crockett - 5th St. Prairie 85 Comment
  JEPS111753  Madia gracilis D. G. Kelch 2005-4-24 05 .163 Contra Costa Franklin Canyon 60 Comment
  UC691767  Madia gracilis Mary L. Bowerman 1933-5-17 2104 Contra Costa branch of Curry Canyon due s Olafson's barn (w-facing bank just n of first fork of canyon); Mount Diablo 289 Comment
  UC2028314  Madia gracilis Barbara Ertter, Susan D'Alcamo 1998-6-12 16162 Contra Costa Summit Road to top of Mount Diablo. Comment
  RSA0008526  Madia radiata A. A. Heller 1938-4-9 s.n. Contra Costa 3 miles southwest of Antioch Comment
  JEPS21968  Madia sativa G. Thomas Robbins with S. Galen Smith 1958-6-2 3848 B Contra Costa along Franklin Canyon Road (State Hwy 4) south and above Refugio Valley (just e of Hercules city boundary, around edge of earth dump on grassy slope) 18 Comment
  UC1555376  Madia sativa Jerry Powell 1988-6-28 1540 Contra Costa area along railroad west Richmond, Point Molate Comment
  UC2027950  Malacothamnus fasciculatus Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17516 Contra Costa South side Mount Diablo, Pioneer Horse Camp. Comment
  UC2028245  Malacothamnus fasciculatus Barbara Ertter, Tony Morosco 1998-9-18 16417 Contra Costa West edge Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC206328  Malacothamnus fremontii Joanne Taylor 1941-7-18 20 Contra Costa By hills of Nortonville. 243 Comment
  UC1122042  Malacothamnus fremontii R. C. Wilson 1935-3-14 134 Contra Costa 2 mi up sycamore Cree; Mt. Diablo 381 Comment
  RSA0027418  Malacothamnus fremontii Barbara Ertter, Joanne Kerbavaz, Mary Bowerman 2000-8-20 17516 Contra Costa South side of Mount Diablo, Pioneer Horse Camp. 884 Comment
  CAS-BOT-BC204091  Malacothamnus hallii Mary L. Bowerman 1933-6-3 2223 Contra Costa Mount Diablo. Two miles by road from North Entrance Comment
  JEPS95241  Malacothamnus hallii Stephen W. Edwards 1988-9-5 Contra Costa Lime Ridge, Walnut Creek Open Space above country club Comment
  CAS-BOT-BC345453  Malacothrix coulteri Alice Eastwood 1914-3-14 3816 Contra Costa Byron Springs Comment
  CAS-BOT-BC345454  Malacothrix coulteri Kellogg; Bloomer 1869-5-1 s.n. Contra Costa Antioch Comment
  UC133355  Malacothrix floccifera Alice Eastwood 1897-5-31 Contra Costa Mount Diablo Comment
  UC2027747  Malus pumila Barbara Ertter 1996-11-24 15427 Contra Costa West side of Mount Diablo, Stage Road below Pine Pond in Pine Canyon. Comment
  CDA39046  Malva parviflora D. G. Kelch 2011-6-5 11 .575 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  UC108945  Malvella leprosa Mrs. K. Brandegee 1892-6-8 Contra Costa Antioch Comment
  CHSC46936  Marah fabacea R. A. Schlising 1963-6-11 2623 Contra Costa Above the city of Berkeley, along Grizzly Peak Blvd in Oakland Hills. Comment
  UC1050529  Marah fabacea N. Floy Bracelin 1943-2-28 1950 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  HSC7016  Marah fabacea Greg Bos 1963-3-9 29 Contra Costa Pinole Valley Rd., SE of Pinole 61 Comment
  UC1949100  Marah fabacea Barbara Ertter 1991-6-1 10076 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, steep E-facing slope at N end Rocky Ridge Trail Comment
  UC691473  Marrubium vulgare Mary L. Bowerman 1933-8-2 2390 Contra Costa edge of Sheep Camp Spring (by west road) Mount Diablo; , edge of Sheep Camp Spring Comment
  CAS-BOT-BC348050  Matricaria discoidea Katharine Brandegee No date on label s.n. Contra Costa Byron Spring Comment
  CAS-BOT-BC348257  Matricaria occidentalis R. E. Frenkel 1964-4-8 419 Contra Costa Bixler Marsh Comment
  RSA215988  Matricaria occidentalis R. E. Frenkel 1963-5-15 197 Contra Costa Grazed field east of Bixler Road between Marsh Creek Road and California Highway 4 in Byron Tract Comment
  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
  JEPS100116  Medicago polymorpha G. Smick 2003-4-1 GAS 107 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS75470  Medicago polymorpha P. F. Yorks 1975-5-15 395 -2 Contra Costa on Hampton Rd ca 1.5 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  UC1197428  Medicago polymorpha Joseph P. Tracy 1934-4-30 13189 Contra Costa between Lafayette and Moraga 152 Comment
  UC692278  Medicago polymorpha Mary L. Bowerman 1931-4-4 640 Contra Costa 2 mi by road from west entrance (= North Gate); Mount Diablo 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
  CAS-BOT-BC271220  Melica californica Mary L. Bowerman 1935-5-8 2975 Contra Costa Knoll on spur south of Pioneer Camp, Mount Diablo 762 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
  POM300625  Melica californica Mary L. Bowerman 1935-5-1 2941 Contra Costa North road 4.4 miles from North Gate. Mount Diablo. 396 Comment
  SD218256  Melica californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1260 Contra Costa San Francisco Bay, Red Rock Island, near summit. Comment
  UC53671  Melica californica J. Burtt Davy Apr 7 1895-Apr 8 1895 928 Contra Costa Antioch Comment
  CAS-BOT-BC281435  Melica imperfecta Beecher Crampton 1956-5-14 3405 Contra Costa S boundary of Mt Diablo State Park Comment
  POM300621  Melica imperfecta Mary L. Bowerman 1935-5-3 2956 Contra Costa Fossil Ridge: Hillside below the Jungle of the Garden Gods. Mount Diablo. 457 Comment
  SEINET190972 Image available Melica imperfecta A. A. Beetle 1941-3-28 1723 Contra Costa Near Orinda Comment
  UC691166  Melica torreyana Mary L. Bowerman 1933-6-3 2235 Contra Costa summit Meridian Pk (Ranson Pt. trail); Mt. Diablo Comment
  UCD88831  Melica torreyana Beecher Crampton 1956-5-14 3397 Contra Costa Oak-Bay forested; along Marsh Creek, Morgan Territory, southeast of Mt. Diablo. Comment
  UCD161481  Melica torreyana A. A. Beettle 1941-3-28 1723 Contra Costa near Orinda. Comment
  JEPS112336  Melilotus indicus Dean G. Kelch and Andrew G. Murdock 2004-5-9 04 .207 Contra Costa Upper Edwards Canyon, Crockett, CA Contra Costa County, CA above Crockett Blvd. Comment
  JEPS127091  Melilotus indicus Lowell Ahart, Josephine Guardino 2016-4-19 20801 Contra Costa 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. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  UC1607618  Mentha canadensis Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10697 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, at edge of lagoon in center of w end of island); Browns Island, nr confluence Sacramento and San Joaquin Rive Comment
  UC2028956  Mentha pulegium Barbara Ertter 2000-7-16 17385 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC1789155  Mentha suaveolens Barbara Ertter 1999-9-19 16847 Contra Costa bank of Cerrito Creek at west end of Creekside Park, El Cerrito; local colony, flowers pale pink. Comment
  UC19565  Mentzelia affinis J. Burtt Davy 1895-4-7 918 Contra Costa Antioch Comment
  JEPS99553  Mentzelia dispersa Mary L. Bowerman 1978-5-26 Contra Costa Mount Diablo. Between lower summit parking lot and road. Comment
  RSA296862  Mentzelia micrantha W. L. Jepson 1919-6-8 83314 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC348365  Micropus californicus var. californicus Alice Eastwood 1915-5-30 4470 Contra Costa Mt. Diablo Comment
  CDA8377  Micropus californicus var. californicus D. G. Kelch, A. G. Murdock 2004-4-3 4 .155 Contra Costa Carquinez Strait Region; Mt. Wanda - Martinez Comment
  JEPS40629  Micropus californicus var. californicus W. L. Jepson 1923-4-22 9877 Contra Costa Mt. Diablo Comment
  UC1795792  Micropus californicus var. californicus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14050 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  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
  UC1795832  Micropus californicus var. californicus Barbara Ertter, Lisa Schultheis 1995-4-27 14003 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
  UC88373  Micropus californicus var. californicus E. L. Greene 1886-1 Contra Costa Marsh Creek Comment
  CHSC67881  Microseris acuminata James D. Jokerst 1989-3-28 3052 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CAS-BOT-BC348788  Microseris campestris Niall McCarten; V. I. Dains 1986-1-1 03231522 41 Contra Costa Ecos East Contra Costa County. W of Camino Diablo & Kellogg Creek Comment
  CDA29517  Microseris douglasii D. G. Kelch, Troy MacGregor 2009-5-1 9 .285 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  JEPS25387  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7000 Contra Costa along Lone Tree Way 2 1/2 mi se Antioch (just e of Antioch Airport) 56 Comment
  JEPS36178  Microseris douglasii subsp. douglasii W. L. Jepson 1918-6-3 7591 Contra Costa Donner Canyon Mt. Diablo Comment
  UC1795682  Microseris douglasii subsp. douglasii Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12336 a Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road Comment
  UC691463  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-11 698 Contra Costa toward mouth of Pine Canyon; Mount Diablo Comment
  CAS-BOT-BC348895  Microseris douglasii subsp. douglasii K. L. Chambers 1953-4-25 449 Contra Costa Balfour Road ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Rd. Comment
  CAS-BOT-BC348896  Microseris douglasii subsp. douglasii Mrs. E. C. Sutliffe 1922-5-1 s.n. Contra Costa Richmond Comment
  POM181472  Microseris douglasii subsp. tenella I. L. Wiggins 1930-4-17 4560 -a Contra Costa One mile east of Mountain House, on road to Byron. Comment
  UC2027808  Microseris douglasii subsp. tenella Barbara Ertter with Holly Forbes 1997-4-20 15549 Contra Costa North base of Mount Diablo, roadside on trail to Back Creek from Mitchell Canyon trailhead. Comment
  CAS-BOT-BC349170  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC7493  Microseris parvula M. K. Curran s.n. Contra Costa Antioch Comment
  LA209144  Mimulus aurantiacus H. Lewis; 1940-7-5 sn Contra Costa E of Berkeley Comment
  JEPS78822  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2164 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  JEPS10570  Mimulus douglasii Mary L. Bowerman 1935-4-26 2906 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC691503  Mimulus grandis Mary L. Bowerman 1935-4-22 2880 Contra Costa 2 mi from West road (= North Rd.) entrance; Mount Diablo Comment
  UC886241  Mimulus microphyllus Lewis S. Rose 1941-3-27 41064 Contra Costa 2 mi w Byron 60 Comment
  UC691740  Mimulus nasutus Mary L. Bowerman 1933-4-9 1834 Contra Costa w fork Dannor Canyon; Mount Diablo 243 Comment
  UC691909  Mimulus nasutus Mary L. Bowerman 1933-5-9 2056 Contra Costa e Pine Saddle; Mount Diablo, Curry Creek tributary Comment
  UC1028683  Minuartia californica Herbert L. Mason 1932-3-20 6849 Contra Costa Antioch Sand Hills Comment
  UC692657  Minuartia douglasii Mary L. Bowerman 1930-6-14 324 Contra Costa Mount Diablo; summit, nw exposure 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
  UC1818898  Minuartia pusilla Barbara Ertter, Mary Bowerman et al. 1995-5-7 14064 Contra Costa Three-Springs Trail on NE side of Mount Diablo SE of Clayton, small serpentine patch at road junction Comment
  CDA33814  Moehringia macrophylla D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .115 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  JEPS108214  Moehringia macrophylla David Gowen 2005-4-25 266 Contra Costa Mt. Diablo State Park. North Peak Trail, ca 1/4 mile south of Prospectors Gap. Comment
  CAS-BOT-BC221680  Monardella douglasii Volney Rattan 1886-6-14 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC221676  Monardella douglasii Mary L. Bowerman 1930-6-22 369 Contra Costa Mount Diablo. Mitchell Canyon trail: below Deer Flat Comment
  UC691416  Monardella villosa subsp. villosa Mary L. Bowerman 1938-6-21 3689 Contra Costa summit Mount Diablo Comment
  UC691682  Monolopia gracilens Mary L. Bowerman 1931-4-25 767 Contra Costa roadside a little below summit Meridian Peak; Mount Diablo Comment
  UC903116  Monolopia lanceolata Donald Nelson 1941-3-23 Contra Costa e of Byron Comment
  UC1080185  Monolopia major Sherwin Carlquist 1952-3-28 285 Contra Costa 7.2 mi w Tracy Comment
Read comments
Apr 12 2009
  UC90423  Monolopia major K. Brandegee May 1883 Contra Costa Antioch Comment
  CAS-BOT-BC349615  Monolopia major Dr. A. Kellogg; W. G. W. Harford 1969-4-8 508 Contra Costa Antioch Comment
  CAS-BOT-BC349616  Monolopia major W. W. Carruth 1902-4-1 s.n. Contra Costa Redwood Canon [Canyon], E. Oakland Comment
  UC1795789  Montia fontana subsp. chondrosperma Barbara Ertter, Mary Bowerman et al. 1995-5-7 14029 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, wet ground around small pond west of road in grassy flat. Comment
  CAS-BOT-BC514197  Muilla maritima Alice Eastwood 1914-3-14 3788 Contra Costa Byron Springs Comment
  UC2028284  Myoporum laetum Barbara Ertter 1998-6-20 16240 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, along path just outside Wiget Lane entrance. Comment
  UC1114819  Myosurus M. K. Curran 1884-1 Contra Costa Antioch Comment
  CAS-BOT-BC83289  Myosurus minimus Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  CHSC22992  Myosurus minimus Robert A. Schlising 1962-3-24 2107 Contra Costa Coast Ranges. 'Bee meadow' near Jct Hwy 4 and Bixler Rd. Comment
  UC1738083  Myosurus minimus D. E. Stone 1957-2-28 14268 A12 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  UC1738087  Myosurus minimus H. L. Mason 1956-5-24 14268 B-1 Contra Costa 3 mi S of Byron ( on the road to Herdlyn) Comment
  CAS-BOT-BC83299  Myosurus minimus Katharine Brandegee 1909-4-24 s.n. Contra Costa Antioch and Marsh Creek. Comment
  UC1738112  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 14 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  UC1738119  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 8 -14 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  POM312428  Myosurus sessilis H. L. Mason 1952-4-26 14270 Contra Costa Vernal Pool, 3.5 miles S of Byron Comment
  HSC104396  Myriophyllum exalbescens M. R. Bell 1950-10-9 Contra Costa Near Concord, from stock pond on farm of E.J. Mangini Comment
  CDA19119  Myriophyllum spicatum R. M. Case 2001-5-8 PDR P 088776 Contra Costa Sierra Nevada; Mallard Reservoir on Arnold Industrial Way, Concord. 0 Comment
  UC2028254  Narcissus Barbara Ertter with Gary Schoolcraft 1996-4-7 14581 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge, coastal prairie and brushland on bluff Comment
  UC1133134  Nassella cernua C. M. Belshaw 1936-5-9 2083 Contra Costa 1/2 mi n Nortonville (Plot 14); Mt. Diablo Comment
  CAS-BOT-BC259903  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa Mount Diablo. North Road 2 miles from North Gate Comment
  CDA29014  Nassella lepida D. G. Kelch 2006-5-7 6 .163 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC697123  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa North Road 2 mi from North Gate (se exp.); Mount Diablo 182 Comment
  SBBG730  Nassella pulchra A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  UC60254  Nassella pulchra J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UC790940  Nassella pulchra A. A. Beetle 1941-3-28 1718 Contra Costa open cut Orinda Comment
  UCD87436  Nassella pulchra A. A. Beetle 1941-3-29 1718 Contra Costa Orinda. Comment
  JEPS105726  Navarretia gowenii David Gowen 2004-5-11 59 Contra Costa Lime Ridge Open Space. Summit area just south of the antenna facility. Comment
  SEINET10811232 Image available Navarretia gowenii D. Gowen 2005-5-25 Gowen 390 Contra Costa Lime Ridge Open Space on N. side. Just SE of one of the quarries. Clay soil. 183 Comment
  UC106833  Navarretia pubescens K. Brandegee 1892-6-9 Contra Costa Martinez Comment
  UCR197895  Navarretia pubescens Beecher Crampton 1949-9-11 493 Contra Costa Mount Diablo State Park, below main road, opposite Oak Knoll Picnic area 518 Comment
  UC2062649  Navarretia pubescens Barbara Ertter 2002-6-22 17961 Contra Costa Bruce Lee Spring Trail east of Donner Canyon on north side of Mount Diablo. Comment
  JEPS87936  Navarretia squarrosa Barbara Ertter with Laura Fujii 1990-7-21 9398 Contra Costa w of Pleasant Hill (near junction of Briones Crest and Spengler trails); Briones Regional Park, Briones Hills 396 Comment
  UCD36036  Navarretia squarrosa Beecher Crampton 1949-7-31 488 Contra Costa Contra Cost County, between Pinole and San Pablo, along US Highway 40, above Garrity Creek. 30 Comment
  UC1021937  Nemophila heterophylla Rolf Y. Berg 1955-4-3 Contra Costa Laurel Dell Camp Mt. Diablo State Park; , Laurel Dell Camp Comment
  POM204479  Nemophila heterophylla J. T. Howell 1933-5-14 11218 Contra Costa Hills east of St. Mary s college Comment
  UC1818976  Nemophila heterophylla Barbara Ertter 1996-3-30 14561 Contra Costa Albany Hill, northwest corner above ball courts, edge of steep informal path, partial shade of eucalyptus. Comment
  UC2028076  Nemophila heterophylla Barbara Ertter, Tony Morosco 1998-4-12 15998 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  JEPS100012  Nemophila maculata G. Smick 2003-5-5 GAS 172 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC880892  Nemophila menziesii Lewis S. Rose 1941-3-13 41029 Contra Costa 3 mi w Byron; w of Byron 30 Comment
  SD143516  Nemophila menziesii W. J. Dress 1951-5-17 3064 Contra Costa Open hillside west of Orinda. Comment
  JEPS111831  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .96 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 115 Comment
  JEPS105740  Nicotiana quadrivalvis David Gowen 2004-6-18 124 Contra Costa Lime Ridge Open Space. East of golf course and large quarry area, and just north of Manzanita Trail. 650 ft. elev. Comment
  CAS-BOT-BC140360  Oemleria cerasiformis Alice Eastwood 1915-5-30 4459 Contra Costa Mt. Diablo Comment
  CDA38155  Oenothera deltoides subsp. cognata F. J. Brucato 1962-5-2 s.n. Contra Costa Knightsen; Sunset and Eden Plains Rd. 0 Comment
  POM355601  Oenothera deltoides subsp. cognata H. de Forest 1930-4-6 s.n. Contra Costa Near mouth of San Joaquin River Comment
  CAS-BOT-BC171588  Oenothera deltoides subsp. howellii J. H. Thomas 1953-4-25 3004 Contra Costa Antioch sand hills along San Joaquin River, 2 miles west of Antioch Bridge Comment
  CAS-BOT-BC171590  Oenothera deltoides subsp. howellii J. H. Thomas 1949-4-19 314 Contra Costa Antioch sand dunes. Comment
  RSA119427  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 432 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  UC763071  Oenothera deltoides subsp. howellii R. F. Hoover 1937-5-14 2112 Contra Costa Antioch sand-dunes Comment
  NY233529  Oenothera deltoides var. howellii A. Eastwood 1936-4-19 2147 Contra Costa Comment
  UC2027743  Olea europaea Barbara Ertter 1997-1-5 15437 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  UC27891  Orobanche bulbosa F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  RSA516599  Orthocarpus densiflorus R. C. Bacigalupi 1956-5-11 5640 Contra Costa Between State Hwy 4 and (Franklin Canyon Rd) Santa Fe Ry.[RR] right-of-way, 1/4 mile E of jct of this road with US 40, 1.3 miles E of Pinole. 23 Comment
  UC691788  Osmorhiza brachypoda Mary L. Bowerman 1935-6-15 3129 Contra Costa grassy ridge running n from Mitchell-Pine divide at 3100 foot level; Mount Diablo 868 Comment
  UC692540  Osmorhiza brachypoda Mary L. Bowerman 1930-6-14 321 Contra Costa Mount Diablo; summit, n side Comment
  POM301013  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Junction of roads: Shady Canyon 671 Comment
  UC691837  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Shady canyon Mount Diablo (junction of roads) 670 Comment
  RSA125862  Paeonia californica G. R. Campbell 1956-4-6 15 Contra Costa Between Round Top and summit of Mt. Diablo. 305 Comment
  UC2028447  Panicum capillare Barbara Ertter with Chris Thayer 1996-10-25 15379 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below junction, near Mineral Spring Comment
  CHSC84547  Parapholis incurva John Dittes 2003-5-6 2003 -15 Contra Costa San Joaquin Valley; approximately 10.0 air-miles north of Livermore, 0.4 air-miles north of Vasco Road; Los Vaqueros Reservoir Watershed. 65 Comment
  UCD88471  Parapholis incurva Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  UC2028963  Parapholis incurva Barbara Ertter with Brad Olson et al. 2000-6-2 17306 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  JEPS43452  Parietaria hespera var. californica H. L. Mason 1929-4-18 Contra Costa Nortonville; above old Coal Mine Comment
  RSA118092  Paspalum dilatatum J. T. Howell 1954-9-5 30025 Contra Costa Along road, Marsh Creek Springs Park Comment
  JEPS108356  Pectocarya pusilla David Gowen 2005-4-4 225 Contra Costa Sibley Regional Preserve. East of Round Top and ouside of the park. NE-facing slope half way down to the valley. Comment
  UC54771  Pedicularis densiflora Joseph P. Tracy 1903-4-18 1801 Contra Costa hills near Berkeley (e slope beyond Bald Peak); San Francisco Bay Region 304 Comment
  UCD123333  Pedicularis densiflora Collector unknown 1932-2-1 Contra Costa Mt. Diablo. 609 Comment
  JEPS65608  Pediomelum californicum W. L. Jepson 1922-5-23 9657 Contra Costa near very summit Mt. Diablo 1170 Comment
  UC903300  Pellaea andromedifolia Ethel Crum 1930-4-14 571 Contra Costa Mitchell Canyon; Mt Diablo Comment
  NY583786  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch Comment
  NY583852  Penstemon centranthifolius A. Kellogg 1869-4-8 680 Contra Costa Antioch Comment
  UC41706  Penstemon centranthifolius J. Burtt Davy 1895-4-7 889 Contra Costa Antioch Comment
  UC75108  Penstemon centranthifolius C. F. Baker 1903-4-25 2938 Contra Costa Antioch Comment
  UCR136718  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi east of Antioch 15 Comment
  UC1051325  Penstemon hartwegii N. Floy Bracelin 1941-6-15 1402 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS85627  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1921-6-16 9315 Contra Costa Mt. Diablo Comment
  UC691510  Penstemon heterophyllus var. heterophyllus Mary L. Bowerman 1935-6-15 3132 Contra Costa Flat (first bottom) where stream forks Mount Diablo, Mitchell Creek, Flat (first bottom) (Mitchell Creek, Mount Diablo) 640 Comment
  UC2042960  Pentachaeta alsinoides Barbara Ertter with David Gowen 2006-6-6 18676 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga. Comment
  CAS-BOT-BC330484  Pentachaeta alsinoides Brandegee no date on label s.n. Contra Costa Mt. Diablo Comment
  JEPS116694  Pentachaeta alsinoides David Gowen 2006-5-19 581 Contra Costa Mount Diablo; Knobcone Point Rd. where road makes turn southwest of Cave Point. Comment
  POM301041  Pentachaeta exilis Mary L. Bowerman 1935-5-8 2981 Contra Costa First main ridge east of Pioneer Camp. 762 Comment
  UC399585  Pentagramma triangularis subsp. triangularis Ivar Tidestrom June 1895 Contra Costa Crockett 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
  UC1390000  Perideridia oregana T. I. Chuang, L. Constance, R. S. Mitchell, and S. Banwar 1965-7-23 6009 Contra Costa just below Live Oak Picnic Area; Mount Diablo 487 Comment
  CAS-BOT-BC413495  Persicaria amphibia Mary L. Bowerman 1935-7-22 3185 Contra Costa Mount Diablo. Hidden Pond 518 Comment
  CAS-BOT-BC413496  Persicaria amphibia Mary L. Bowerman 1935-7-22 3185 Contra Costa Mount Diablo. Hidden Pond 518 Comment
  CAS-BOT-BC418832  Persicaria hydropiperoides Brian Atwater 1978-10-24 BA- 165 Contra Costa Between Bethel Island and Holland Tract 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
  UC691690  Phacelia breweri Mary L. Bowerman 1933-5-2 1953 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  UC880994  Phacelia breweri H. M. Evans 1921-4-30 Contra Costa Mt. Diablo Comment
  UCD13292  Phacelia breweri Collector Unknown 1974-4-13 s.n. Contra Costa Contra Costa CO. Marsh Creek Road, north peak of Mount diablo, near Trail Ride Association. Elevation 2500 - 3000 feet. 914 Comment
  POM256513  Phacelia breweri H. L. Mason 1938-5-3 11750 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo. Comment
  UC762065  Phacelia californica R. F. Hoover 1938-2-21 2753 Contra Costa Point Richmond Comment
  UC901820  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg Comment
  RSA755524  Phacelia ciliata Barbara Ertter 1992-3-8 10910 Contra Costa NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca. 1/2 mile west of junction of Stewartville Trail and Frederickson Lane. Comment
  UC1950229  Phacelia ciliata Barbara Ertter 1992-3-8 10910 Contra Costa NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca 1/2 mi W of junction of Stewartville Trail and Fredrickson Lane Comment
  JEPS68958  Phacelia ciliata var. ciliata Edward Lee 1935-3-10 1290 Contra Costa Kirker Pass, Donovan Road, west watershed of Kirker's Creek Kirker Pass; , Donovan Road Comment
  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
  UC24350  Phacelia divaricata W. H. Brewer 1862-5-7 1057 Contra Costa summit Monte Diablo Comment
Read comments
Sep 7 2009
  JEPS108316  Phacelia imbricata David Gowen 2005-5-28 393 Contra Costa Mt. Diablo State Park. Just east of Prospectors Gap on dirt road. Comment
  JEPS2169  Phacelia imbricata subsp. imbricata W. L. Jepson 1918-6-5 7611 Contra Costa North Peak Mount Diablo 944 Comment
  CAS-BOT-BC154324  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo Comment
  CAS-BOT-BC154332  Phacelia phacelioides Alice Eastwood 1915-5-30 4520 Contra Costa Near type locality. Mt. Diablo Comment
  JEPS1104  Phacelia phacelioides Mary L. Bowerman 1930-6-7 285 Contra Costa Meridian Peak summit Mount Diablo Comment
  SEINET5506855  Phacelia phacelioides L. Constance, C. W. Sharsmith 1940-4-27 2574 Contra Costa Mount Diablo, north of Juniper Camp 762 Comment
  JEPS99583  Phacelia rattanii Mary Bowerman 1994-6-19 Contra Costa Mount Diablo, Muir aarea, 10'W of restroom Comment
  CHSC69643  Phacelia tanacetifolia James D. Jokerst 1989-3-31 3079 Contra Costa Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon. Comment
  JEPS108346  Phacelia tanacetifolia David Gowen 2005-3-26 216 Contra Costa Mt. Diablo State Park. Junction of dirt road to Deer Flat and dirt road to Moses Rock. Growing at the base of large rock pile. 304 Comment
  UC2070461  Phacelia tanacetifolia Barbara Ertter with Steve Matson 2003-3-15 18105 Contra Costa Black Diamond Mines Regional Preserve, on SW side of Rose Hill. Comment
  JEPS99511  Phalaris aquatica Mary Bowerman 1994-6-4 Contra Costa Mount Diablo. Pine Canyon at E end of Castle Rock Park, perhaps just outside park. Comment
  CAS-BOT-BC265808  Phalaris arundinacea Walter Knight; Irja Knight 1978-9-5 3205 Contra Costa Browns Island Comment
  UC1101560  Phalaris arundinacea Malcolm A. Nobs 1948-9-23 683 Contra Costa 7 mi s Kingston (Rock Slough); Rock Slough Comment
Read comments
Oct 8 2012
  JEPS70601  Phalaris minor W. L. Jepson 1918-6-5 7595 Contra Costa Donner Canyon Mt. Diablo (Mt. Diablo); vicinity of San Francisco Bay, Mt. Diablo 228 Comment
  POM300721  Phalaris minor Mary L. Bowerman 1932-4-27 1402 Contra Costa Oyster Ridge, south face , canyon west of Riggs Canyon 351 Comment
  UC50714  Phalaris minor J. Burtt Davy 1898-4-7 4258 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  UC2028383  Phalaris paradoxa Barbara Ertter 1998-6-20 16253 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, central grasslands Comment
  SEINET8719258 Image available Phalaris paradoxa Laura Zeller 1965-1 85 Contra Costa Across from the University of California Botanical Garden with Lolium 76 Comment
  JEPS99989  Phlox gracilis G. Smick 2003-3-25 GAS 80 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691716  Pholistoma auritum Mary L. Bowerman 1932-2-13 1089 Contra Costa just above first main fork Alamo Canyon; Mt. Diablo, Alamo Canyon 381 Comment
  RSA755793  Pholistoma membranaceum Barbara Ertter 1992-3-8 10909 Contra Costa NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca. 1/2 mile west of junction of Stewartville Trail and Frederickson Lane. Comment
  UC1535363  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch sw of Byron (Mount Diablo Meridian, (extended section NW quarter Sec 31)); Antonio Souza Ranch, Mount Diablo Meridian 309 Comment
  CDA23776  Phoradendron macrophyllum D. G. Kelch 2007-10-6 7 .633 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  UC1078910  Phoradendron macrophyllum Job Kuijt 1957-11-3 1439 Contra Costa 3 mi. s. of Wildcat Picnic area turn-off Mt. Diablo 548 Comment
  CAS-BOT-BC141122  Phoradendron serotinum subsp. macrophyllum L. R. Abrams 1916-7-29 6307 Contra Costa Walnut Creek Comment
  CAS-BOT-BC141255  Phoradendron serotinum subsp. tomentosum H. E. McMinn 1922-6-2 135 Contra Costa near toll gate on Mount Diablo Road Comment
  POM212436  Phoradendron villosum Joseph A. Ewan 1933-10-15 8040 Contra Costa SW slope of Mt Diablo. 1067 Comment
  JEPS125636  Phragmites australis Daniel Slakey with CNPS Volunteers 2015-9-12 224 Contra Costa Northern edge of Browns Island, at entrance to Crooked Slough. Comment
  JEPS78626  Phragmites australis Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3279 Contra Costa Botany Cove Browns Island; , Botany Cove Comment
  CDA21558  Phyla nodiflora D. G. Kelch, Mike Park 2008-9-1 8 .304 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. 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
  UC692692  Pickeringia montana var. montana Mary L. Bowerman 1931-5-2 793 Contra Costa Eagle Point Ridge Mount Diablo (n end) Comment
  UC1055936  Pilularia americana Herbert L. Mason 1952-4-14 14261 Contra Costa 3.5 mi s Byron Comment
  UCD136787  Pilularia americana Roman Gankin 1963-4-12 s.n. Contra Costa On west side of Holey Road, 3 miles southeast of Byron. Comment
  UC692170  Pinus attenuata Mary L. Bowerman 1931-3-1 534 Contra Costa s of summit of ridge (e of meridian); Inner Black Hills Comment
  JEPS47871  Pinus coulteri W. L. Jepson 1909-6-25 3116 Contra Costa Mt. Diablo Comment
  UC440232  Pinus coulteri Mrs. H. P. Bracelin 1931-3-22 179 Contra Costa Nortonville Comment
  UCR143277  Pinus coulteri C. B. Wolf, A. L. Chickering, H. L. Mason 1943-2-28 11442 Contra Costa Central Coast Range, 1 mile SW of old coal mining settlement of Nortonville at northern base of Mt. Diablo hills 427 Comment
  CAS-BOT-BC72778  Pinus sabiniana Le Roy Abrams 1910-10-8 4350 Contra Costa Mt. Diablo 853 Comment
  JEPS111992  Pinus sabiniana D. G. Kelch 2004-4-3 04 .47 Contra Costa Martinez - Vine Hill 44 Comment
  JEPS48211  Pinus sabiniana W. L. Jepson 1901-10-12 1749 Contra Costa Mitchell Canon Mt. Diablo, Mitchell Canon Comment
  UC1134128  Pinus sabiniana R. C. Wilson 1935-2-27 116 A Contra Costa 2 mi s Clayton; Mt. Diablo Quad. 259 Comment
  UC400311  Pinus sabiniana State Survey 1866-5-1 Contra Costa Monte del Diablo Comment
  UC691271  Piperia Mary L. Bowerman 1938-6-30 3700 Contra Costa Blue Oak Flat Mount Diablo 822 Comment
  CAS-BOT-BC137272  Piperia elegans John Thomas Howell 1942-8-23 17862 Contra Costa Field redacted by CAS, contact the data manager for more information Comment
  CDA39509  Piperia transversa D. G. Kelch 2005-5-23 5 .379 Contra Costa Carquinez Strait Region; Crockett; West Valona (Crockett), between railroad tracks and Pinus pinea grove. Comment
  UC1789206  Pistacia atlantica Barbara Ertter with Dan Norris 2001-4-8 17603 Contra Costa Lime Ridge Open Space, main pit of west quarry area N of adjacent golf course 121 Comment
  UC2028244  Pistacia atlantica Barbara Ertter, Tony Morosco 1998-9-18 16418 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  CHSC67891  Plagiobothrys acanthocarpus James D. Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  UC1618199  Plagiobothrys acanthocarpus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8133 Contra Costa ca. 15 air mi. s.w. Stockton (alkali sink w. and adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  CDA40687  Plagiobothrys acanthocarpus Jim Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area northeast of Livermore, adjacent to pipeline on terrace south of ephemeral creek. 0 Comment
  CDA31452  Plagiobothrys bracteatus D. G. Kelch 2006-5-2 6 .211 Contra Costa Carquinez Strait; Fernandez Ranch; W. Christie Rd. Comment
  UC1084390  Plagiobothrys bracteatus G. Thomas Robbins 1937-4-25 149 Contra Costa 2 mi e Alamo Comment
  UC78037  Plagiobothrys canescens T. S. Brandegee May 1890 Contra Costa Antioch Comment
  UC2028130  Plagiobothrys canescens Barbara Ertter 1998-5-3 16079 Contra Costa Wall Point Road and Emmons Canyon Road, southwest flank of Mount Diablo. Comment
  CHSC21833  Plagiobothrys fulvus var. campestris Robert A. Schlising 1962-4-7 2140 Contra Costa Coast Ranges. Field along Deer Valley Road, few mi S of Antioch. Comment
  CHSC67894  Plagiobothrys humistratus James D. Jokerst 1989-3-28 3060 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CDA40675  Plagiobothrys humistratus Jim Jokerst 1989-3-28 3060 Contra Costa Northwest of junction of Byron Hot Springs Road and Armstrong Road. Northeast of Livermore. 0 Comment
  JEPS88009  Plagiobothrys leptocladus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8129 Contra Costa ca. 15 air miles s.w. Stockton (w. and adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  POM63822  Plagiobothrys nothofulvus Brandegee 1888-05 s.n. Contra Costa Antioch. Comment
  UC1073381  Plagiobothrys nothofulvus George B. Rossbach 1955-3-20 465 Contra Costa sw base Mt. Diablo Comment
  JEPS61072  Plagiobothrys stipitatus var. micranthus E. L. Greene 1889-3-24 Contra Costa Byron Comment
  JEPS65186  Plagiobothrys stipitatus var. micranthus L. R. Heckard 1971-4-15 2481 Contra Costa s Byron (at intersection of Holey Rd.) Comment
  UC78209  Plagiobothrys stipitatus var. micranthus T. S. Brandegee 1889-5-1 Contra Costa Antioch Comment
  UC1178520  Plagiobothrys tenellus Ethel Crum 1936-4-5 1742 Contra Costa two mi w Byron; South Coast Ranges 45 Comment
  JEPS116858  Plagiobothrys tenellus David Gowen 2007-4-13 672 Contra Costa On dirt road junction (Ridge Trail) between Castle Rock Recreation Area and Borges Ranch. Comment
  UC191656  Plagiobothrys trachycarpus E. L. Greene 1888-3-28 Contra Costa Byron Springs Comment
  UC78181  Plagiobothrys trachycarpus K. Brandegee May 1892 Contra Costa Antioch Comment
  JEPS116832  Plagiobothrys undulatus David Gowen 2007-5-8 707 Contra Costa Briones Regional Park, in vernal depression northeast of Sindicich Lagoon. Comment
  SEINET3854794 Image available Plantago bigelovii Lewis S. Rose 1933-3-29 33040 Contra Costa Nortonville. Comment
  CAS-BOT-BC6475  Plantago californica M. K. Curran 1883-1-1 s.n. Contra Costa Antioch Comment
  UC2029103  Plantago coronopus Barbara Ertter 1990-10-24 9684 Contra Costa Martinez Regional Shoreline on Carquinez Strait. Local near arch bridge. Comment
  JEPS15287  Plantago elongata Rimo Bacigalupi with G. T. Robbins 1956-3-26 5525 Contra Costa 1.2 mi n Deer Valley Road junction with Marsh Creek Road (along Deer Valley Road, just n of Briones Valley) 76 Comment
  UC1745802  Plantago elongata Annetta M. Carter 1933-4-9 291 Contra Costa About 2 mi. SW of Nortonville. Comment
  POM61282  Plantago elongata subsp. pentasperma C. F. Baker 1903-4-27 2866 Contra Costa Byron. Comment
  CDA42163  Plantago erecta D. G. Kelch 2004-4-11 4 .062 Contra Costa Carquinez Strait Region; Crockett ; 5th Street Prarie. Comment
  JEPS6407  Plantago erecta W. L. Jepson 1923-4-22 9872 Contra Costa Mt. Diablo Comment
  POM300989  Plantago erecta Mary L. Bowerman 1933-4-15 1848 Contra Costa Canyon S of Arroyo del Cerro Comment
  JEPS22023  Plantago lanceolata G. Thomas Robbins with S. Galen Smith 1958-6-2 3853 Contra Costa just e Hercules city boundary (Franklin Canyon Road (State Highway 4)); Refugio Valley 18 Comment
  UC2032811  Plantago lanceolata Doran, Andrew Scott 2012-3-20 681 Contra Costa Brooks island loading dock, North side of island. Comment
  CDA37397  Plantago major D. G. Kelch, Mike Perlmutter 2011-9-23 11 .761 Contra Costa Antioch. Dow Wetlands. Comment
  CHSC21614  Plantago major Willis Ball 1975-2-23 434 Contra Costa Contra Loma Regional Park. Small population in area #1 spread out in picnic area ca. 100 yds s of lake. 10 yds n of w end of parking lot. 45 Comment
  JEPS78614  Plantago subnuda Walter Knight, L. R. Heckard, and Bert Johnson 1978-9-28 3298 Contra Costa Botany Cove, Browns Island Comment
  CAS-BOT-BC91605  Platystemon californicus John Thomas Howell 1933-5-14 11277 Contra Costa Hills east of Saint Mary's College. 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
  UC101592  Platystemon californicus Katharine Brandegee 1907-5-5 c Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC101596  Platystemon californicus Katharine Brandegee 1907-5-5 a Contra Costa between Antioch and Marsh Creek (along a sandy road back of the oldest coal mine); between Antioch and Marsh Creek Comment
  POM300583  Platystemon californicus var. californicus Mary L. Bowerman 1933-4-15 1868 Contra Costa Canyon south of Arroyo del Cerro; Rocky knoll 250 feet below spring. Comment
  JEPS4797  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1922-5-23 9665 Contra Costa Mount Diablo Comment
  UC1818900  Plectritis ciliosa subsp. ciliosa Barbara Ertter, Mary Bowerman 1994-6-19 12854 a Contra Costa Mt. Diablo State Park east of Walnut Creek; scrub oak thicket north of road, north of lower summit parking lot, next to drainage on north facing slope. Comment
  PASA292  Plectritis macrocera Annetta Carter 1929-3-31 Contra Costa Near Clayton Comment
  UC2027810  Plectritis macrocera Barbara Ertter with Stu Garrett 1997-3-29 15542 Contra Costa West side Mount Diablo, Mothers Trail. Comment
  UC2028569  Pleuropogon californicus Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15517 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  CAS-BOT-BC356111  Pluchea odorata Brian Atwater 1978-10-24 BA- 164 Contra Costa Between Bethel Island and Holland Tract Comment
  UC2028092  Pluchea odorata Barbara Ertter, Chris Thayer 1996-10-25 15380 Contra Costa West side of Mount Diablo, North Gate Road 3 roadmiles below Junction, roadside drainage near Mineral Spring. Comment
  JEPS111727  Pluchea odorata var. odorata D. G. Kelch 2004-7-9 04 .311 Contra Costa Pacheco Marsh Pacheco hill Marsh west of Pacheco Slough 5 Comment
  SJSU5395  Pluchea odorata var. odorata M. Bruch 1966-10-30 Contra Costa SW end of Winter Island, New York Slough, confluence of San Joaquin-Sacramento rivers c. 2 mi NW of Antioch Comment
  CAS-BOT-BC261042  Poa D. E. Breedlove 1971-5-14 19338 Contra Costa Along Sierra Vista Way, Lafayette Comment
  JEPS100035  Poa annua S. O'Neil 2003-5-8 SEO 28 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  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
  UC2028529  Poa annua Barbara Ertter 1998-1-4 15890 Contra Costa South end Diablo Foothills Regional Park southeast of Walnut Creek, Hazzard Pond north of Livorna Staging Area Comment
  CAS-BOT-BC246644  Poa howellii John Thomas Howell 1933-5-14 11256 Contra Costa Hills east of St. Mary's College Comment
  POM300703  Poa howellii Mary L. Bowerman 1933-3-21 2148 Contra Costa Below Grape Spring (south from Curry Canyon) Comment
  CAS-BOT-BC236386  Poa secunda subsp. secunda Mary L. Bowerman 1933-4-15 1869 Contra Costa Mount Diablo. Canyon S of Arroyo del Cerro: Rocky knoll 250 feet below spring Comment
  UC39568  Poa secunda subsp. secunda Alice Eastwood 1893-5-3 Contra Costa Antioch Comment
  UC691176  Poa secunda subsp. secunda Mary L. Bowerman 1932-4-9 1323 Contra Costa s spur on meridian Inner Black Hills; Mt Diablo Comment
  UC70966  Poa secunda subsp. secunda J. Burtt Davy 1900-3-24 6534 Contra Costa near Pt. Richmond Comment
  UC790973  Poa secunda subsp. secunda A. A. Beetle 1941-3-23 1713 Contra Costa 1 mi e St Mary's College 182 Comment
  CAS-BOT-BC236385  Poa secunda subsp. secunda Mary L. Bowerman 1935-5-18 3028 Contra Costa Mount Diablo. N of the summit parking area 1036 Comment
  UC2028411  Poa secunda subsp. secunda Barbara Ertter 1998-4-4 15967 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, east side of rocky knoll between northwestern most ridge and Indian Valley School Comment
  UCD91679  Poa secunda subsp. secunda P. B. Kennedy 1925-4-25 s.n. Contra Costa Road to Sycamore Canyon, Mt. Diablo. Comment
  UC1613281  Pogogyne serpylloides Charles M. Belshaw 1935-6-24 787 Contra Costa 1/2 mi e of Grizzly Peak (n face of Bald Peak); Bald Peak Comment
  RSA0022141  Pogogyne serpylloides Mary L. Bowerman 1931-5-21 876 Contra Costa Curry Canon. Hard, open flat by Olafsons barn 274 Comment
  UC1192326  Polygonum amphibium Malcolm A. Nobs and S. Galen Smith 1949-7-7 938 Contra Costa Webb Island Sacramento Delta peat lands Comment
  UC692147  Polygonum amphibium Mary L. Bowerman 1935-7-22 3182 Contra Costa Chase Pond Mount Diablo (in water 4 feet from shore, s side of Meridian Peak, by Old Government Trail) 548 Comment
  UC692068  Polygonum amphibium var. emersum Mary L. Bowerman 1931-6-16 928 Contra Costa Chase Pond Mount Diablo (by Old Government Trail) Comment
  POM300597  Polygonum amphibium var. stipulaceum Mary L. Bowerman 1935-7-22 3185 Contra Costa Hidden Pond. 518 Comment
  JEPS99992  Polygonum arenastrum G. Smick 2003-5-8 GAS 176 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA37404  Polygonum argyrocoleon D. G. Kelch, Mike Perlmutter 2011-9-23 11 .759 Contra Costa Entry to Discovery Bay. Comment
  UCD150900  Polygonum argyrocoleon James A. Neilson Jr. 1972-10-22 3510 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  CHSC23355  Polygonum aviculare Willis Ball 1975-3-2 462 Contra Costa Contra Loma Regional Park. In area #4. In sand on beach e side of lake ca. 75 yds s of dam. 30 Comment
  CHSC97872  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-7-14 06 .328B Contra Costa Along Marine Vista Ave immediately west of Pacheco Slough. East of Martinez. 1 Comment
  CDA15275  Polygonum aviculare subsp. rurivagum G. F. Hrusa, D. Crowe, R. York 1998-7-17 14712 Contra Costa Sacramento Delta; E end of Dow Chemical property at Antioch. Comment
  CDA2790  Polygonum cuspidatum R. DeBoer 1969-5-9 Contra Costa West side of parking lot, Rexal Park Pharmacy, 3716 San Pablo Dam Road, El Sobrante. 0 Comment
  UC1818918  Polygonum lapathifolium Barbara Ertter 1995-8-19 14503 Contra Costa Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water. Comment
  CDA1502  Polygonum ramosissimum var. ramosissimum D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  UC1738212 Image available Polypodium calirhiza S. Whitmore 1982-1-1 1388 Contra Costa Contra Costa County: Mt. Diablo: arroyo on S slopes, 1.2 mi N of south gate entry to Mt. Diablo St. Park, along South Gate Road. Comment
  UC691204  Polypogon interruptus Mary L. Bowerman 1933-6-3 2227 Contra Costa two mi by road from w entrance Mount Diablo (spring in chaparral) Comment
  RSA484484  Polypogon monspeliensis A. A. Beetle 1941-6-24 s.n. 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
  UCD91221  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay. Comment
  CAS-BOT-BC232581  Polypogon monspeliensis Mary L. Bowerman 1932-8-27 1521 Contra Costa Mount Diablo. Spring S of Turtle Rock Comment
  CAS-BOT-BC237472  Polypogon viridis Mary L. Bowerman 1933-11-4 2462 Contra Costa Mount Diablo. Alder Creek Springs 487 Comment
  RSA0029363  Polypogon viridis Barbara Ertter, Mary L. Bowerman, Lisa Schultheis 1996-7-5 14917 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. 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
  UC406993  Populus fremontii subsp. fremontii Ira L. Wiggins 1930-4-18 4602 Contra Costa se side Jersey Island (Levee bank); se side of Jersey Island Comment
  UC846002  Populus fremontii subsp. fremontii Lewis S. Rose 1941-3-13 41028 Contra Costa 7 mi w Byron (Marsh Creek); Marsh Creek Comment
  POM181439  Populus fremontii subsp. fremontii Ira L. Higgins 1930-4-18 4602 Contra Costa [Levee bank?]. SE side Jersey School. Comment
  RSA720835  Potamogeton foliosus Mary L. Bowerman 1995-6-8 s.n. Contra Costa Mount Diablo. Pine Pond. Comment
  JEPS99587  Potamogeton pectinatus Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  JEPS112093  Prunus cerasifera D. G. Kelch 2005-1-21 05 .5 Contra Costa Crockett - West Valona Collected along railroad tracks in West Valona across from the decommissioned sewage treatment plant. 8 Comment
  CDA33067  Prunus dulcis D. G. Kelch 2010-10-5 10 .415 Contra Costa The Delta; Just east of Antioch bridge. Comment
  UC2028141  Prunus dulcis Barbara Ertter 1998-4-4 15974 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Quarry Hill. Comment
  RSA113975  Prunus subcordata Peter H. Raven, H. L Mason, R. Ornduff 1957-4-11 10626 Contra Costa Curry Canyon, four miles south of the Recreation Ground. Comment
  CAS-BOT-BC154628  Prunus subcordata Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10626 Contra Costa Curry Canyon 4.0 mi. s. of Recreation Ground Comment
  UC1128479  Prunus virginiana var. demissa R. W. Lundh 1932-9-3 158 Contra Costa 1 mi n of North Peak 609 Comment
  UC1614254  Prunus virginiana var. demissa Charles M. Belshaw 1935-6-10 695 Contra Costa Morgan Territory Road Comment
  UC2027928  Prunus virginiana var. demissa Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17633 Contra Costa Northwest flank of Mount Diablo, headwaters of Arroyo del Cerro between Olofson Ridge and Long Ridge. Comment
  UC2027968  Pseudognaphalium beneolens Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15663 Contra Costa Point Richmond, crest of road. Comment
  SEINET9295311  Pseudognaphalium leucocephalum Unknown 1950-7-29 624 Contra Costa Waste ground along Santa Fe RR. 1 mi N of Richmond, gravelly soil Plant sent to USCH for identification. Query letter included on specimen. Comment
  UC1795642  Pseudognaphalium luteoalbum Barbara Ertter, Drew Hansen 1995-3-28 13937 Contra Costa Chevron oil refinery in northwest Richmond off of Castro St. edge of levees thru created bioremediation marsh south of Wildcat Creek. Comment
  SBBG103996  Pseudognaphalium microcephalum W. Knight, I. Knight 1977-7-25 Contra Costa Black Diamond Mines Regional Reserve, Nortonville town site 167 Comment
  CAS-BOT-BC357592  Pseudognaphalium stramineum John Thomas Howell 1925-11-7 1556 Contra Costa San Leandro Canyon, Oakland Hills Comment
  UC2028099  Pseudognaphalium stramineum Barbara Ertter, Chris Thayer 1996-10-25 15373 Contra Costa West side of Mount Diablo, North Gate Road 1 road mile NW of Burma Road, at west end of Long Ridge. Comment
  UC1563700  Psilocarphus brevissimus var. brevissimus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8143 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.) Comment
  UC1733839  Psilocarphus chilensis Kay H. Beach 1941-4-30 1083 a Contra Costa near Byron Hot Springs Station Comment
  CHSC67885  Psilocarphus tenellus var. tenellus James D. Jokerst 1989-3-28 3064 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  SEINET12235404  Ptelea baldwinii M. T. Doretl 1930-1 79 Contra Costa Marsh Creek Comment
  CAS-BOT-BC148629  Ptelea crenulata Alice Eastwood 1897-5-31 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC148640  Ptelea crenulata A. D. E. Elmer 1903-5-1 4327 Contra Costa Mt. Diablo Comment
  JEPS40167  Ptelea crenulata H. L. Mason 1928-3-31 Contra Costa Mt. Diablo Comment
  JEPS40172  Ptelea crenulata W. L. Jepson 1907-4-27 2648 Contra Costa Mt. Diablo Comment
  UC1614255  Ptelea crenulata Charles M. Belshaw 1935-6-10 696 Contra Costa Morgan Territory Rd. Comment
  UC692585  Ptelea crenulata Mary L. Bowerman 1935-6-1 3099 Contra Costa gully e Mitchell-Pine divide; Mount Diablo 975 Comment
  UC868043  Ptelea crenulata Lewis S. Rose 1940-4-30 40249 Contra Costa 6 mi e Clayton; Marsh Creek 45 Comment
  CAS-BOT-BC148618  Ptelea crenulata J. F. Emmel 1971-8-22 384 Contra Costa Kirker Creek ca. 0.2 air mile S. of site of Nortonville 251 Comment
  CAS-BOT-BC148631  Ptelea crenulata John Thomas Howell 1934-4-8 11811 Contra Costa 7 miles from Clayton on road to Livermore Comment
  UC2043241  Pteridium aquilinum var. pubescens Barbara Ertter with David Gowen 2015-2-22 22227 Contra Costa Alder Creek below Green Ranch at road crossing, Mount Diablo SE of summit. Comment
  UC1198069  Pterostegia drymarioides Joseph P. Tracy 1934-4-30 13191 Contra Costa near Lafayette 152 Comment
  UC6916  Pterostegia drymarioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  RSA0068501  Pterostegia drymarioides Katie Gallagher, Nick Jensen 2014-4-26 173 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  UC2028967  Puccinellia nuttalliana Barbara Ertter with Brad Olson et al. 2000-6-2 17301 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  UC1618289  Pyrus communis Barbara Ertter, Chris Thayer 1993-5-7 11700 Contra Costa Hopkins Spring 1/2 mi se of Inspiration Point (on Wilodcat Canyon Road, East Bay Municipal Utilities District land e of Tilden Park); Hopkins Spring 304 Comment
  UCSC010010  Quercus Al Keuter 2014-5-23 00 097 A Contra Costa Along Reliez Valley Road, Lafayette 72 Comment
  UC2012970  Quercus X morehus Barbara Ertter with Tony Morosco 1996-7-27 15038 Contra Costa Mount Diablo State Park, Wasserman Trail on ridge below Cardinet Oaks Road. Comment
  UC691316  Quercus X morehus Mary L. Bowerman 1931-9-27 1048 Contra Costa ne side North Peak; Mount Diablo Comment
  CAS-BOT-BC104165  Quercus X morehus C. Hart Merriam 1919-5-10 s.n. Contra Costa From the hill above Redwood Inn Moraga Valley Comment
  CAS-BOT-BC104166  Quercus X morehus Mary L. Bowerman 1931-9-27 1046 Contra Costa Mount Diablo. Near Quicksilver Mine on N side of North Peak Comment
  CDA20041  Quercus X morehus T. Young 2002-9-2 s.n. Contra Costa San Francisco Bay Area; Small stand of 5-6 trees in northern Orinda surrounded by Q. lobata and Q. agrifolia. 0 Comment
  POM301006  Quercus X morehus Mary L. Bowerman 1935-10-26 3349 Contra Costa 0.1 mile by road above Silver Spring, 50 feet from road. 860 Comment
  RSA0026181  Quercus X morehus Barbara Ertter, Tony Morosco 1996-7-27 15038 Contra Costa North side Mount Diablo, Wasserman Trail below Cardinet Oaks Road. Comment
  CDA31284  Quercus agrifolia D. G. Kelch, Troy McGregor 2010-2-7 10 .030-B Contra Costa Carquines Strait; W of Martinez in hills. Comment
  UC1135309  Quercus agrifolia R. W. Lundh 1932-8-17 132 Contra Costa 1 mi E of Round Valley 518 Comment
  UC691326  Quercus agrifolia Mary L. Bowerman 1935-4-22 2881 Contra Costa 2 mi from West road (= North Rd.) entrance (N. Gate) (on s side of road); Mount Diablo Comment
  UC5471  Quercus agrifolia A. Resmond 1862-10-24 1474 Contra Costa near summit between Oakland and Walnut Creek Comment
  UC691312  Quercus berberidifolia Mary L. Bowerman 1935-11-30 3355 Contra Costa Fossil Ridge Mount Diablo Comment
  UC2028191  Quercus berberidifolia Barbara Ertter with Ann Dennis 1998-1-25 15908 Contra Costa Donner Canyon on north side Mount Diablo, Middle Trail/Falls Trail. Comment
  CAS-BOT-BC62696  Quercus chrysolepis L. R. Abrams 1910-10-8 435 Contra Costa Mt. Diablo summit 1158 Comment
  CAS-BOT-BC62697  Quercus chrysolepis Mary L. Bowerman 1931-4-25 778 Contra Costa Mt. Diablo summit Comment
  UC5526  Quercus chrysolepis Frank W. Bancroft 1894-7-10 Contra Costa Top of Mt. Diablo Mt. Diablo Comment
  CAS-BOT-BC86645  Quercus douglasii H. E. McMinn 1922-10-1 403 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  JEPS111964  Quercus douglasii D. G. Kelch 2004-9-2 04 .344 Contra Costa Martinez - West: Ozol Rock and Scenic Drive East of Ozol 22 Comment
  JEPS37387  Quercus douglasii W. L. Jepson 1912-4-26 2644 Contra Costa Mt. Diablo 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
  UC691322  Quercus durata Mary L. Bowerman 1931-5-19 873 Contra Costa main e branch Donner Canyon; Mount Diablo 304 Comment
  OBI14287  Quercus durata var. durata H. E. McMinn 22-Oct 408 Contra Costa Mitchell Cyn-Mt. Diablo Comment
  CAS-BOT-BC94251  Quercus garryana Alice Eastwood 1923-5-4 11704 Contra Costa Mt. Diablo Comment
  CDA29941  Quercus garryana D. G. Kelch 2009-11-8 9 .672 Contra Costa Carquinez Strait; 1 km W of Port Costa. Comment
  CAS-BOT-BC94291  Quercus garryana Mary L. Bowerman 1930-10-19 493 Contra Costa Fossil Ridge S of Garden of the Gods Comment
  JEPS99999  Quercus kelloggii S. O'Neil 2003-3-11 SEO 11 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS75531  Quercus lobata P. F. Yorks 1976-8-5 512 Contra Costa n of Briones (2.4 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve) 200 Comment
  SEINET12034643  Quercus lobata L. S. Rose 1938-1 38306 Contra Costa Marsh Creek,6 mi E of Clayton 152 Comment
  SEINET12034644  Quercus lobata M. T. Doutt 1930-1 81 Contra Costa Marsh Creek,6 mi E of Clayton Comment
  SBBG115590  Quercus parvula var. shrevei E. Dean, B. Ertter, J. M. Tucker, K. Chaney 2000-9-13 650 Contra Costa City of El Sobrante, El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd, jct of Heavenly Ridge Trail and Manzanita Trail 213 Comment
  UCD17417  Quercus parvula var. shrevei E. Dean; with B. Ertter, J. M. Tucker, and K. Chaney 2000-9-13 653 Contra Costa California. Contra Costa County: City of El Sobrante; El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., just south of junction of Heavenly Ridge Trail and Manzanita Trail, along Manzanita trail. 213 Comment
  CAS-BOT-BC104713  Quercus wislizeni C. Keefer 1922-9-25 s.n. Contra Costa Moraga Ridge Comment
  JEPS37967  Quercus wislizeni W. L. Jepson 1907-4-26 2647 Contra Costa Mt. Diablo Comment
  UC1135852  Quercus wislizeni R. C. Wilson 1935-3-13 127 Contra Costa 1.5 mi w Cave Pt.; Mt. Diablo Quad. 563 Comment
  UC5707  Quercus wislizeni W. H. Brewer 1861-9-25 843 Contra Costa Mount Diablo Comment
  UC691297  Quercus wislizeni Mary L. Bowerman 1933-9-30 2449 Contra Costa e end Meridian Flat; Mount Diablo 807 Comment
  CAS-BOT-BC104714  Quercus wislizeni Peter Rubtzoff 1951-10-7 815 Contra Costa 1 to 2 mi SW of Moraga, near the road Comment
  UC1135920  Quercus wislizeni var. frutescens R. W. Lundh 1933-3-4 209 Contra Costa 0.5 mi n Pinehurst; Concord Quad. 304 Comment
  UC691293  Quercus wislizeni var. frutescens Mary L. Bowerman 1930-9-9 455 Contra Costa e side North Peak; Mount Diablo Comment
  CDA22082  Quercus wislizeni var. wislizeni D. G. Kelch 2004-3-13 4 .04 Contra Costa Mt Diablo Region.; Road cut along Marsh Creek Rd about 1.5 miles W of Deer Valley Rd. Comment
  SJSU10139  Quercus wislizeni var. wislizeni A. W. Jacobs 1938-10-1 Contra Costa lower E slope of Mt Diablo, 5 mi S of Clayton Comment
  UC1819011  Rafinesquia californica Barbara Ertter, Mary Bowerman et al. 1995-5-7 14052 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, open oak forest above houses. Comment
  UC691952  Ranunculus aquatilis Mary L. Bowerman 1933-3-18 1754 Contra Costa Hidden Pond Mount Diablo Comment
  CAS-BOT-BC379109  Ranunculus aquatilis var. diffusus A. D. E. Elmer 1903-5-1 4318 Contra Costa Mount Diablo Comment
  RSA224309  Ranunculus aquatilis var. hispidulus Mary L. Bowerman, Walter Knight, I. Knight 1968-6-4 2331 Contra Costa floating on Frog Pond Mt. Diablo State Park Comment
  RSA0029781  Ranunculus aquatilis var. subrigidus Barbara J. Ertter, Alan Prather 2003-6-7 18190 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, pond NE of main trailhead. Comment
  UC1300986  Ranunculus californicus Helen K. Sharsmith 1962-3-25 4912 Contra Costa hills between Happy Valley and Alhambra Valley; San Francisco Bay Region 304 Comment
  JEPS60666  Ranunculus californicus W. L. Jepson 1923-4-22 9871 Contra Costa Mt. Diablo; deep canyon side Comment
  POM268436  Ranunculus californicus Mary L. Bowerman 1932-3-23 1127 Contra Costa E of Donner Creek 244 Comment
  SEINET13717644  Ranunculus californicus Unknown 1948-2-12 1103 Contra Costa West facing slope along Bear Creek Canyon in Lawson Hill area. Comment
  POM268399  Ranunculus canus Lyman Benson 1931-3-18 2655 Contra Costa Mt. Diablo near Danville; Mt. Range: Mt. Diablo; Watershed: Walnut Creek 152 Comment
  RSA0027697  Ranunculus canus Barbara J. Ertter, Stu Garrett 1997-3-29 15523 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UCSB11261  Ranunculus canus Hayes, Judy 1961-3-30 Contra Costa 2 miles N of South Gate of Mount Diablo State Park 457 Comment
  UC118266  Ranunculus canus var. canus T. S. Brandegee May 1889 Contra Costa Antioch Comment
  POM268449  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6272 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  POM268452  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6276 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  POM268694  Ranunculus canus var. laetus Jos. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  CDA1152  Ranunculus hebecarpus D. G. Kelch, A. G. Murdock 2005-5-1 5 .188 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  UC1607964  Ranunculus hebecarpus Donald G. Nelson 1937-4-29 507 Contra Costa Road from Pinole south towards Alhambra Road Pinole Comment
  POM282740  Ranunculus hebecarpus L. S. Rose 1934-3-21 34071 Contra Costa Marsh Creek, 6 miles E of Clayton. Comment
  SEINET12765193  Ranunculus lobbii Barbara Ertter, David Gowen 2006-3-1 18665 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga, along SE end of Rocky Ridge Road as it drops to King Cyn Rd.; 0 180 Comment
  PASA2644  Ranunculus occidentalis Annetta Carter 1929-3-31 140 Contra Costa Near Clayton Comment
  CDA33564  Ranunculus sceleratus Guise, Deviney 2010-5-28 PDR# 1645152 Contra Costa Danville; Mariani Ranch, Finley Rd. near School Street. 0 Comment
  RSA721368  Ranunculus sceleratus Barbara J. Ertter 1995-7-11 14485 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  UC2029073  Ranunculus sceleratus Barbara Ertter 2000-7-16 17411 Contra Costa Turtle Rock Ponds on east side of Pine Creek, west side of Mount Diablo. Comment
  SEINET12210141  Rhamnus californica M. T. Doutt 1930-1 96 Contra Costa Marsh Creek Comment
  CDA9186  Rhamnus crocea Christopher Thayer 1995-6-5 s.n. Contra Costa Carquinez Strait; W of Pinole Peak. Comment
  UC692584  Rhamnus crocea Mary L. Bowerman 1932-9-17 1579 Contra Costa Donner Canyon, w branch Mount Diablo Comment
  JEPS95251  Rhamnus tomentella Steve Edwards 1995-9-22 Contra Costa Briones Regional Park, Bear Creek Entrance, near junction of trails to archery range and lagoons Comment
  CAS-BOT-BC200697  Rhus aromatica Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point ridge 350 Comment
  UC692577  Rhus trilobata Mary L. Bowerman 1933-6-21 2328 Contra Costa Donner Canyon; Mount Diablo Comment
  SBBG28501  Ribes californicum E. Mulliken 1905-1-28 Contra Costa Wildcat Cyn, Berkeley Hills Comment
  CAS-BOT-BC92922  Ribes californicum var. californicum Earle Mulliken 1905-1-28 49 Contra Costa Wildcat Canon [Canyon], Berkeley Hills. Comment
  CAS-BOT-BC92920  Ribes californicum var. californicum John Thomas Howell 1931-2-21 5730 Contra Costa North side of Mount Diablo. Comment
  UC2027990  Ribes divaricatum var. pubiflorum Barbara Ertter 1998-4-19 16028 Contra Costa Tilden Regional Park, Wildcat Creek Trail to Jewel Lake. Comment
  JEPS49338  Ribes malvaceum W. L. Jepson 1921-11-19 9514 Contra Costa halfway up to summit 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
  RSA0021634  Ribes malvaceum L. S. Rose 1934-2-1 34011 Contra Costa W. slope Mt. Diablo. 610 Comment
  UC1127450  Ribes menziesii R. W. Lundh 1932-9-22 166 Contra Costa Mount Diablo Mt. Diablo Quadrangle Comment
  UC692436  Ribes menziesii Mary L. Bowerman 1932-9-3 1541 Contra Costa Meridian Peak summit, by trail leading s from the house Mount Diablo Comment
  UC2070465  Ribes quercetorum Barbara Ertter 2003-3-28 18112 Contra Costa Round Valley Regional Preserve, Miwok Trail at east end of Round Valley Creek. Comment
  JEPS111985 Image available Ribes sanguineum var. glutinosum D. G. Kelch 2004-6-19 04 .285 Contra Costa Crockett - West Valona north-facing hill above/along railroad tracks. West of Carquinez Bridge. Crockett 20 Comment
  JEPS97012  Ribes sanguineum var. glutinosum R. D. Stone 1981-1-31 334 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) Comment
  CDA7895  Ricinus communis D. G. Kelch, A. G. Murdock 2004-7-9 4 .316 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  CAS-BOT-BC362962  Rigiopappus leptocladus Mary L. Bowerman 1931-4-4 669 Contra Costa Mount Diablo. West of Turtle Rock Comment
  POM301017  Rigiopappus leptocladus Mary L. Bowerman 1933-5-10 2061 Contra Costa Ridge at east end of, and south of, Meridian Flat. 823 Comment
  RSA72859  Rigiopappus leptocladus A. Kellogg, W. G. W. Harford 1869-6-6 524 Contra Costa Summerville, Mt. Diablo. Comment
  UC1050660  Rondeletia gratissima N. Floy Bracelin 1943-5-23 1178 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC74411  Rorippa curvisiliqua Walter Knight; Joanne Dean 1978-8-14 3171 Contra Costa Browns Island. Comment
  JEPS111864  Rorippa nasturtium-aquaticum D. G. Kelch 2004-4-24 04 .98 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  CAS-BOT-BC75017  Rorippa palustris Walter Knight; Rolf Bensler; Brian Atwater; J. Dean; Bryan Mortensen 1979-4-13 3363 Contra Costa Browns Island. Crooked Slough. Comment
  CAS-BOT-BC147410  Rosa californica John Thomas Howell; Gordon H. True 1972-6-29 48930 Contra Costa Byron Hot Springs southeast of Byron Comment
  UC1584666  Rosa californica Jerry Powell 1990-8-29 1593 Contra Costa on riverine floodplain Antioch National Wildlife Reguge Comment
  UC691162  Rosa californica Mary L. Bowerman 1930-6-26 375 Contra Costa junction of Riggs Canyon Rd and Livermore Road; Mount Diablo Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  SEINET10543527  Rosa sempervirens Walter H. Lewis 2007-10-5 Lewis 21093 Contra Costa Carquinez Regional Shoreline, W of junction of San Pablo Ave. and Vista del Rio. W-facing slope, W coastal scrub along abandoned road. 30 Comment
  CAS-BOT-BC147152  Rubus laciniatus Walter Knight; Bill Burley 1979-8-18 3445 Contra Costa Browns Island, Point Emmett Comment
  CAS-BOT-BC147206  Rubus parviflorus Mary L. Bowerman 1933-5-19 2140 Contra Costa Below Morgan Sulphur Spring 335 Comment
  CAS-BOT-BC147205  Rubus parviflorus Mary L. Bowerman 1933-11-4 2464 Contra Costa Alder Creek Springs 487 Comment
  CAS-BOT-BC147359  Rubus pensilvanicus Walter Knight; B. Mortensen; B. Atwater; R. Bensler; J. Dean 1979-4-13 3369 Contra Costa Alder Point. Browns Island Comment
  UC691123  Rubus ursinus Mary L. Bowerman 1931-10-13 1059 Contra Costa e fork Alamo Canyon Mount Diablo, Alamo Canyon, e fork Comment
  JEPS75495  Rumex acetosella P. F. Yorks 1976-5-31 510 Contra Costa ca 1.4 km s Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  JEPS112030  Rumex obtusifolius Dean G. Kelch and Andrew G. Murdock 2005-4-24 DGK 05 .177 Contra Costa Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon. Comment
  JEPS112017  Rumex pulcher Dean G. Kelch and Andrew G. Murdock 2004-5-28 AGM 267 Contra Costa Refugio Valley. Comment
  JEPS41049  Rumex salicifolius var. salicifolius Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9074 Contra Costa sw of Richmond (w side of Brooks Island); San Francisco Bay, Brooks Island 6 Comment
  UC692158  Rumex salicifolius var. salicifolius Mary L. Bowerman 1938-6-14 3680 Contra Costa Canyon Nook Mount Diablo 670 Comment
  JEPS22039  Rupertia physodes G. Thomas Robbins 1958-7-6 3890 Contra Costa along Pinehurst Road about 1/4 mi above Alameda Co. line (on slopes above Upper San Leandro Reservoir) 228 Comment
  OBI78191  Rupertia physodes Joseph Andorfer Ewan 1934-4-8 8752 Contra Costa S Fk. Marsh Creek, Mt. Diablo 244 Comment
  SJSU5703  Rupertia physodes C. O. Dudley 1966-5-1 113 a Contra Costa Reliez Valley, Briones Hills, N of Lafayette 152 Comment
  UC1745890 Image available Rupertia physodes Annetta M. Carter, Edward Lee 1936-5-24 1191 Contra Costa Marsh Creek about 2 mi. SE of Curry Canyon. Comment
  OBI12751  Rupertia physodes G. Thomas Robbins 1958-7-6 3890 Contra Costa Along Pinehurst Rd, on slopes above Upper San Leandro Reservoir, about 1/4 mi N of Alameda Co line 229 Comment
  POM196438  Rupertia physodes Victor Duran 1383 Contra Costa Oakland Hills 305 Comment
  UC2029077  Rupertia physodes Barbara Ertter 2000-7-16 17403 Contra Costa Lower Pine Creek on NW base of Mount Diablo, between Diablo Foothills Regional Park boundary and Pine Pond. Comment
  UC55203  Ruppia cirrhosa Geo. Hansen Sep 1899 Contra Costa Byron Springs Comment
  CDA1428  Ruppia maritima D. G. Kelch, Andrew G. Murdock 2004-4-26 4 .138 Contra Costa Carquinez Strait Region; Pt. Pinole in tidal pond. Comment
  UC2028181  Sagina decumbens subsp. occidentalis Barbara Ertter 1998-5-3 16037 Contra Costa Above SW fork of Pine Creek at southwest base of Mount Diablo. Comment
  UC194965  Sagittaria latifolia H. M. Hall 1916-8-16 10273 Contra Costa Antioch , Antioch (Region of San Francisco Bay) Comment
  UC69366  Salix Wm. W. Mott 1905-1-6 Contra Costa near Berkeley (n.e. corner of San Pablo Ave. & McAvoy Lane, opposite 7 Mile House) Comment
  UC69367  Salix Wm. W. Mott 1905-1-6 Contra Costa near Berkeley (n.e. corner San Pablo Ave. & McAvoy Lane) Comment
  CAS-BOT-BC129922  Salix bonplandiana Barrett Anderson 1987-4-30 3488 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  CAS-BOT-BC129915  Salix bonplandiana Mary L. Bowerman 1933-3-25 1760 Contra Costa Canyon back of Diablo Stock Farm (Stone Valley), in streambed - Mount Diablo Comment
  POM167728  Salix exigua H. P. Chandler 1901-3-22 860 Contra Costa Pacheco. Comment
  UCD110901  Salix exigua B. Crampton 1950-7-4 600 Contra Costa Railroad embankment, Richmond. Comment
  CAS-BOT-BC107875  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa Jersey Island Comment
  CDA34023  Salix laevigata D. G. Kelch 2011-3-31 11 .079 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  UC143135  Salix laevigata C. F. Baker 1908-4-28 2814 Contra Costa Mitchell Canyon Mt. Diablo, Mitchell Canyon Comment
Read comments
Aug 10 2008
  POM300724  Salix laevigata Mary L. Bowerman 1931-3-14 566 Contra Costa Riggs Canyon, E side. Mount Diablo. Comment
  JEPS75494  Salix lasiolepis P. F. Yorks 1976-1-31 505 Contra Costa n of Briones Reservoir (ca. 1 km s of Bear Creek Rd. on Hampton Rd.); Hampton Road Natural Reserve 170 Comment
  UC2032847  Salix lasiolepis Doran, Andrew Scott 2012-3-20 718 Contra Costa Southern part of Brooks Island, old quarry near gravel conveyer belt and grind house. Comment
  UC692064  Salix lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa spring s Turtle Rock; Mount Diablo Comment
  UC692065  Salix lasiolepis Mary L. Bowerman 1935-6-21 3142 Contra Costa Arroyo del Cerro Mount Diablo (e fork) 259 Comment
  POM300607  Salix lasiolepis Mary L. Bowerman 1933-3-25 1777 Contra Costa Diablo Stock Farm (Stone Valley) Canyon. Mt. Diablo. 274 Comment
  CAS-BOT-BC129551  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3729 Contra Costa Antioch Comment
  CAS-BOT-BC129562  Salix lasiolepis var. lasiolepis Alice Eastwood 1914-2-24 3728 Contra Costa Antioch Comment
  CAS-BOT-BC129597  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa Donner Canyon, west fork: stream-bed, below Twin Peaks - Mount Diablo Comment
  CAS-BOT-BC129599  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa Donner Canyon, west fork; stream-bed below Twin Peaks - Mount Diablo Comment
  CAS-BOT-BC129600  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1931-4-11 701 Contra Costa Mouth of Pine Canyon, on bank of dry stream bed - Mount Diablo Comment
  JEPS111797  Salsola australis A. G. Murdock 2003-9-12 202 Contra Costa Rodeo - Lone Tree Point Rodeo shoreline 2 Comment
  UC2029165  Salsola soda Barbara Ertter 1990-9-30 9659 Contra Costa NW CONTRA COSTA CO.: Point Pinole Regional Shoreline on San Pablo Bay, north Richmond; edge of salicornia marsh on N edge of park. Comment
  UCR263552  Salsola soda Barbara Ertter 1990-9-30 9659 Contra Costa San Francisco Bay Region, Point Pinole Regional Shoreline on San Pablo Bay, north Richmond; on N edge of park 2 Comment
  SEINET7718207  Salvia carduacea Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  UC691722  Salvia columbariae Mary L. Bowerman 1933-5-2 1942 Contra Costa below Pioneer Camp, Mount Diablo; Mount Diablo 762 Comment
  UCLA70075  Salvia columbariae Lewis S. Rose 1935-5-16 35168 Contra Costa Mt. Diablo Comment
  POM223332  Salvia columbariae L. S. Rose 1935-5-16 s.n. Contra Costa Mt. Diablo. Comment
  CDA40980  Salvia leucophylla D. G. Kelch, A. G. Murdock 2005-5-1 5 .186 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  JEPS112471  Salvia leucophylla D. G. Kelch 2005-5-1 05 .186 Contra Costa Crockett - Edwards Canyon. Below road near junction of Cummings Skyway and Crockett Blvd. 150 Comment
  UC634921  Salvia mellifera H. L. Mason 1925-3-10 1291 Contra Costa Mount 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
  JEPS12727  Sambucus mexicana W. L. Jepson 1908-8-16 3086 Contra Costa Walnut Creek Comment
  JEPS111610  Sanicula bipinnata D. G. Kelch 2003-4-3 03 .373 Contra Costa Martinez - West: Ozol Rock and Scenic Drive West Martinez. 118 Comment
  UCSB4634  Sanicula bipinnata Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Head of Pine Canyon, Mt. Diablo 533 Comment
  UCD127942  Sanicula bipinnatifida P. B. Kennedy 1914-3-15 4624 Contra Costa Sunset Cemetery. Comment
  RSA471438  Sanicula bipinnatifida Joseph A. Ewan 1936-4-19 9464 Contra Costa W. slope of Wildcan Canyon Comment
  UCD127982  Sanicula crassicaulis P. B. Kennedy 1925-4-26 s.n. Contra Costa near Sycamore Canon Trail, Mt. Diablo. Comment
  UC735123  Sanicula saxatilis Lincoln Constance, T. Morley, R. H. Shan, W. H. Wagner 1946-4-26 3036 Contra Costa summit s.w. of lookout Mt. Diablo 1158 Comment
  RSA97364  Sanicula saxatilis Mary L. Bowerman 1931-4-25 769 Contra Costa Mount Diablo, summit Comment
  UC2028089  Sanicula saxatilis Barbara Ertter, Tony Morosco 1998-4-12 15996 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  UCD102394  Sanicula tuberosa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Bald Ridge Trail. Bald Ridge. 880 Comment
  CDA7922  Satureja douglasii D. G. Kelch, A. G. Murdock 2005-1-16 5 .003 Contra Costa Carquinez Strait; Dutra fire road. Comment
  JEPS75491  Satureja douglasii P. F. Yorks 1975-7-5 469 Contra Costa on Hampton Road ca 1.8 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve Comment
  UCD150918  Schinus molle James A. Neilson Jr. 1972-10-27 3620 Contra Costa Clayton, C4. Elevation estimated using Google Earth by label maker. 121 Comment
  UCD150898  Schoenoplectus James A. Neilson Jr. 1972-10-22 3503 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  CAS-BOT-BC111483  Schoenoplectus americanus K. (Mrs.) Brandegee 1882-6-8 s.n. Contra Costa Antioch Comment
  UC2028426  Schoenoplectus americanus Barbara Ertter 1996-9-19 15294 Contra Costa Antioch Marina 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
  CAS-BOT-BC111462  Schoenoplectus californicus LeRoy Abrams 1916-7-29 6305 Contra Costa Martinez Comment
  JEPS111885  Scirpus acutus D. G. Kelch 2003-8-13 03 .106 Contra Costa Martinez Marsh 0 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
  JEPS111892  Scirpus californicus D. G. Kelch 2004-6-6 04 .229 Contra Costa Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station 2 Comment
  UC650560  Scirpus californicus Ira L. Wiggins 1930-4-18 4592 Contra Costa Levee bank Jersey Island Comment
  CDA15264  Scirpus maritimus G. F. Hrusa, D. Crowe 1998-5-8 14395 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CAS-BOT-BC240009  Scribneria bolanderi John Thomas Howell 1953-3-15 28924 Contra Costa Rock City, Mt. Diablo Comment
  UC2031415  Scribneria bolanderi Barbara Ertter with David Gowen 2006-4-14 18669 Contra Costa Lime Ridge Open Space (City of Concord) at NW foot of Mt Diablo, SE of Ygnacio Valley Road Comment
  UC1084402  Scrophularia californica G. Thomas Robbins 1937-4-17 121 Contra Costa near Point Richmond Comment
  UC2029121  Scutellaria tuberosa Barbara Ertter with David Gowen and Mike Park 2004-4-13 18352 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, trail system in chaparral/woodland S of Somersville townsite. Comment
  UC615114  Scutellaria tuberosa Beryl O. Schreiber 1932-5-15 276 Contra Costa Mount Diablo Comment
  UC11259  Sedum spathulifolium W. H. Brewer 1861-9-25 842 Contra Costa summit of Monte Diablo Comment
  UC11261  Sedum spathulifolium Brewer 842 Contra Costa Mt. Diablo Summit Comment
  UC692320  Sedum spathulifolium Mary L. Bowerman 1935-6-15 3141 a Contra Costa on rocks just above Ransom Point (Meridian Peak, Mount Diablo); Mount Diablo, Meridian Peak, above Ransom Point Comment
  JEPS37619  Senecio aronicoides W. L. Jepson 1923-6-10 9992 Contra Costa Upper Marsh Creek Mt. Diablo Comment
  UCD102385  Senecio aronicoides Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 890 Comment
  CAS-BOT-BC327441  Senecio flaccidus var. douglasii Peter Rubtzoff 1954-9-14 1749 Contra Costa Along lower San Joaquin River east of Antioch Comment
  CAS-BOT-BC363702  Senecio hydrophilus Walter Knight 1977-7-15 s.n. Contra Costa Little Corral site. Antioch Sand Dunes Comment
  CDA9545  Senecio vulgaris D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .224 Contra Costa Byron Airport. 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
  JEPS37191  Senecio vulgaris W. L. Jepson 1921-5-22 9200 Contra Costa Mt. Diablo Comment
  POM181456  Senecio vulgaris Ira L. Higgins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island. Comment
  JEPS88722  Sequoia sempervirens W. L. Jepson 1894-10-1 Contra Costa Redwood Peak Oakland Hills, Redwood Peak Comment
  SEINET13289876 Image available Sequoia sempervirens L. S. Rose 1934-1 Contra Costa Redwood Canyon Comment
  SEINET3561292 Image available Sequoia sempervirens Lewis S. Rose 1934-1-29 34009 Contra Costa Redwood Canyon. Comment
  UC2062676  Sequoia sempervirens Barbara Ertter with Dan Norris 2000-12-3 Contra Costa Mount Diablo, west fork of Sycamore Canyon. Comment
  JEPS127099  Sherardia arvensis Lowell Ahart, Josephine Guardino 2016-4-19 20802 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 Spring USGS 7.5' Quad. Comment
  UC1614106  Sherardia arvensis Charles M. Belshaw 1935-6-24 789 Contra Costa ca. 1/2 mi. e. Grizzly Peak (Bald Peak); Bald Peak Comment
  RSA29235  Sherardia arvensis Joseph A. Ewan 1934-3-10 8630 Contra Costa 1 mile below Orinda Road. Wildcat Canyon. Comment
  UC2032814 Image available Sidalcea malviflora subsp. laciniata Doran, Andrew Scott 2012-3-20 684 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  UC1126829  Sinapis arvensis C. M. Belshaw 1936-5-13 2120 Contra Costa se of Deer Valley Deer Valley 91 Comment
  CAS-BOT-BC74938  Sinapis arvensis R. E. Frenkel 1964-2-3 345 Contra Costa On Tassajara Road, 2.1 mile east of Danville. 129 Comment
  UCD115408  Sinapis arvensis Morris Halperin 1929-4-21 s.n. Contra Costa Franklin Canon. Comment
  JEPS100078  Sisymbrium officinale G. Smick 2003-5-30 GAS 207 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691256  Sisymbrium officinale Mary L. Bowerman 1935-5-16 2987 Contra Costa Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park 381 Comment
  CAS-BOT-BC75281  Sisymbrium officinale Mary L. Bowerman 1935-5-1 2939 Contra Costa Mount Diablo. West road 2 miles from entrance, across the creek. Comment
  CDA23555  Sisymbrium orientale D. G. Kelch 2008-3-3 8 .027 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  CDA21559  Sisyrinchium bellum D. G. Kelch, D. A. Weinstein 2008-4-25 8 .075 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  CDA39475  Sisyrinchium bellum A. G. Murdock 2004-3-19 220 Contra Costa Carquinez Strait Region; Luzon. Sycamore Avenue just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Comment
  JEPS112431  Sisyrinchium bellum A. G. Murdock 2004-3-19 220 Contra Costa Luzon Sycamore Ave. just east of Rodeo/Hercules where train crosses Highway 4 (Luzon). Top of ridge to south of road. 60 Comment
  RSA310841  Sisyrinchium bellum John Weiler 1959-4-5 5937 Contra Costa Along Bear Creek road Comment
  UC2070662  Sisyrinchium bellum Barbara Ertter 2002-5-16 17861 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CDA39383  Smilacina racemosa A. G. Murdock 2004-4-3 245 Contra Costa Vaca Canyon. Comment
  UC1606338  Solanum americanum Barbara Ertter, Brad Olson 1991-9-28 10845 Contra Costa between Orinda and El Sobrante (s end of San Pablo Reservoir); San Pablo Reservoir 94 Comment
  CDA14345  Solanum aviculare R. Fonseca 1995-4-27 s.n. Contra Costa 1373 Elizabeth Court, Walnut Creek. 0 Comment
  CDA20181  Solanum elaeagnifolium A. Niang 2003-7-9 PDR 1406328 Contra Costa San Francisco Bay Area; Brentwood. 0 Comment
  JEPS12078  Solanum umbelliferum J. Burtt Davy 1895-4-7 985 Contra Costa Antioch Comment
  UC1125032  Solanum umbelliferum R. W. Lundh 1932-8-25 142 Contra Costa Mount Diablo 838 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
  CAS-BOT-BC156305  Solanum umbelliferum A. A. Heller 1908-4-16 8889 Contra Costa East of Antioch 22 Comment
  CAS-BOT-BC156306  Solanum umbelliferum anonymous 1900-3-26 s.n. Contra Costa Oakley. 6 m. E. of Antioch Comment
  UCSB24371  Solanum umbelliferum McMinn, Howard; Maino, Evelyn 1931-3-9 Contra Costa Leona Heights Comment
  UC691791  Sonchus asper Mary L. Bowerman 1938-5-28 3642 Contra Costa North Road 6.5 mi from North Gate (Mount Diablo on bank by roadside (where Boulevard Spring used to be)); Mount Diablo Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  JEPS100168  Sonchus oleraceus G. Smick 2003-3-27 GAS 99 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1948948  Sonchus oleraceus William J. Ferlatte, L. Maynard Moe 1970-4-27 1222 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC650555  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  CAS-BOT-BC374741  Sonchus oleraceus Walter Knight 1965-3-1 s.n. Contra Costa Antioch dunes Comment
  UC337971  Sorghum halepense unknown Contra Costa John Muir's yard Martinez Comment
  CAS-BOT-BC236609  Spartina foliosa Evelina Cannon 1900-9-17 s.n. Contra Costa Giant Station Comment
  UC1818860  Spergula arvensis subsp. arvensis Barbara Ertter, Kristin Ertter 1995-7-11 14467 Contra Costa Diablo Foothills Regional Park, dried road bed at base of east-facing cliff. 121 Comment
  UC2028042  Spergula arvensis subsp. arvensis Barbara Ertter 1998-3-1 15925 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  UC1795742  Spergularia bocconi Barbara Ertter, Mary Bowerman et al. 1995-5-7 14027 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road thru annual grassland with scattered blue oak south of Marsh Creek Road summit. 304 Comment
  RSA0097921  Spergularia bocconi Barbara Ertter, Mary L. Bowerman 1995-5-7 14027 Contra Costa NE side of Mount Diablo SE of Clayton, along road south of Marsh Creek road summit. 305 Comment
  CAS-BOT-BC390238  Spergularia macrotheca var. leucantha R. F. Hoover 1967-4-28 10514 Contra Costa Byron Hot Springs Comment
  CDA15279  Spergularia marina G. F. Hrusa, D. Crowe, R. York 1998-7-17 14717 Contra Costa Sacramento Delta; E end of Dow Chemical property at Pittsburg. Comment
  JEPS111531  Spergularia marina D. G. Kelch 2005-5-5 05 .215 Contra Costa Point Pinole - Giant Marsh 3 Comment
  JEPS111780  Spergularia marina A. G. Murdock 2004-6-4 319 Contra Costa Pacheco Marsh Salt marsh NE of Waterbird 5 Comment
  UC1818936  Spergularia rubra Barbara Ertter, Mary Bowerman et al. 1995-5-7 14043 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  POM151915  Spergularia salina C. F. Baker 1903-4-27 2865 Contra Costa Byron. Comment
  UC1618136  Spergularia villosa Barbara Ertter with Chris Thayer and Dianne Lake 1996-5-16 14680 Contra Costa w of Richmond (Point Molate Naval Fuel Depot overlooking San Francisco Bay, around Tank 14); San Francisco Bay, Point Molate Naval Fuel Depot Comment
  JEPS112464  Stachys ajugoides var. rigida D. G. Kelch 2003-4-3 03 .364 Contra Costa Cummings Skyway 115 Comment
  UC416579  Stachys ajugoides var. rigida Ivar Tidestrom June, 1895 Contra Costa Crockett Comment
  UC606760  Stachys ajugoides var. rigida Edward Lee 1936-4-19 2011 Contra Costa Red Rock, ne slope of island San Francisco Bay Comment
  UC70569  Stachys ajugoides var. rigida Miss Carlotta Case July, 1904 Contra Costa Muir Station Comment
  POM300999  Stachys bullata Mary L. Bowerman 1933-5-18 2119 Contra Costa Mount Diablo, Blackberry Spring. Comment
  JEPS112467  Stachys pycnantha A. G. Murdock 2004-5-28 278 Contra Costa Refugio Valley 120 Comment
  UC2055622  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  JEPS36203  Stebbinsoseris heterocarpa W. L. Jepson 1921-5-22 9215 Contra Costa Half way up Mt. Diablo. Comment
  CAS-BOT-BC374776  Stebbinsoseris heterocarpa Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC692303  Stellaria nitens Mary L. Bowerman 1932-3-12 1115 Contra Costa Alamo Canyon Mount Diablo (50 ft above stream) 365 Comment
  CDA33818  Stellaria nitens D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .114 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC2070629  Stellaria nitens Barbara Ertter with Joanne Kerbavaz, David Gowen, Mike Park and Victoria Seidman 2004-4-20 18362 Contra Costa Eagle Peak Trail on east side of Twin Peaks, north side of Mount Diablo. Comment
  UC2028059  Stellaria pallida Barbara Ertter, Tony Morosco 1998-4-12 16015 Contra Costa Mount Olympia on north side of Mount Diablo. Comment
  CAS-BOT-BC375768  Stephanomeria virgata Rimo Bacigalupi 1922-9-24 s.n. Contra Costa Mitchell Canyon, Mt. Diablo 243 Comment
  UC691440  Stephanomeria virgata subsp. pleurocarpa Mary L. Bowerman 1930-8-31 441 Contra Costa s face Black Hills (roadside); Mount Diablo Comment
  UC2029161  Stipa miliacea var. miliacea Barbara Ertter, CNPS 1990-11-11 9709 Contra Costa Carquinez Straits Regional Park east of Crockett. Comment
  UC2028397  Stipa pulchra Barbara Ertter with Dan Norris 1998-6-18 16211 Contra Costa South Gate Road on south flank of Mount Diablo, ca. 1 mile in from park boundary, gentle S-facing grassy slope Comment
  JEPS108223  Streptanthus glandulosus subsp. glandulosus David Gowen 2005-5-6 279 Contra Costa Mt. Diablo State Park. South east end of Prospectors Gap Rd., ca 0.3 mile NW of its junction with Ray Morgan Rd. Small area of serpentine outside of the park boundary. Comment
  CAS-BOT-BC87339  Streptanthus hispidus J. W. Congdon 1896-5-30 s.n. Contra Costa Mount Diablo. Comment
  RSA26397  Streptanthus hispidus J. T. Howell 1941-4-6 s.n. Contra Costa Ridge east of Deer Park, Mt. Diablo Comment
  UC402744  Streptanthus hispidus E. W. Hicks 1917-3-25 114 Contra Costa s-facing slope of w shoulder Mt. Diablo 762 Comment
  UC691056  Streptanthus hispidus Mary L. Bowerman 1935-5-8 2971 Contra Costa Muir Area Mount Diablo (hillside in area burned in 1931) 1036 Comment
  RSA721273  Stuckenia filiformis Barbara Ertter 1996-5-11 14644 Contra Costa North Gate Road at northwest base of Mount Diablo, Ticle Pond west of road toward Castle Rock. Comment
  UC2042772  Stuckenia pectinata Barbara Ertter with Lynne Hosley 1992-8-29 11268 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, stock pond near junction of Eagle and Volvon trails at north end of preserve. Comment
  CAS-BOT-BC422921  Stylomecon heterophylla R. F. Hoover 1968-5-16 11091 Contra Costa Upper Marsh Creek. 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
  UC635478  Stylomecon heterophylla H. L. Mason 1928-4-1 4271 Contra Costa hills n Mount Diablo (canyon back of Pittsburg); hills n of Mount Diablo Comment
  UC692106  Stylomecon heterophylla Mary L. Bowerman 1932-5-6 1410 Contra Costa w bank Mitchell Canyon Mount Diablo; , w bank Mitchell Canyon 182 Comment
  UC767113  Stylomecon heterophylla R. F. Hoover 1938-5-4 3341 Contra Costa Marsh Creek Canyon Comment
  LA46177  Stylomecon heterophylla J. A. Ewan; 1935-5-26 9301 Contra Costa Bald Peak, San Pablo Ridge 548 Comment
  CAS-BOT-BC269561  Symphoricarpos albus var. laevigatus Paul F. Covel 1936-4-19 207 Contra Costa Las Trampas Cyn (Cashion Cn) Comment
  JEPS111776  Symphoricarpos mollis D. G. Kelch 2005-5-1 05 .181 Contra Costa Crockett - Edwards Canyon 150 Comment
  CAS-BOT-BC98040  Symphyotrichum lentum John Thomas Howell 1978-9-5 53357 Contra Costa Pittsburg Marina Comment
  UCD136614  Symphyotrichum lentum Ann F. Johnson 1978-6-25 AN- 33 Contra Costa Edge of the San Joaquin River at the Antioch Dunes on Pacific Gas and Electric Co. site. Comment
  JEPS103102  Symphyotrichum subspicatum Mary L. Bowerman 1993-10-19 Contra Costa Marsh Creek near Russelman Foad Mount Diablo Comment
  UC2013057  Symphyotrichum subulatum Barbara Ertter with CNPS 1990-9-16 9645 Contra Costa NE Contra Costa Co.: Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Recreation Area. Comment
  SD175790  Symphyotrichum subulatum var. parviflorum D. G. Kelch 2006-9-15 06 472 Contra Costa Martinez, Waterfront Road Marina Dr., 100 m. west of Pacheco Slough. 2 Comment
  CAS-BOT-BC376774  Tanacetum parthenium John Thomas Howell 1942-6-28 17006 Contra Costa Oakland Hills near Redwood Peak Comment
  UC2062659  Tetrapteron graciliflorum Barbara Ertter with Chris Thayer 2002-4-13 17829 Contra Costa North side of Mount Diablo. Comment
  JEPS54202  Thysanocarpus curvipes W. L. Jepson 1891-5-24 Contra Costa Mt. Diablo Comment
  UC691061  Thysanocarpus curvipes Mary L. Bowerman 1933-5-8 2032 Contra Costa flat n of Rock City camp ground Mount Diablo; , n of Rock City camp ground Comment
  CAS-BOT-BC88263  Thysanocarpus curvipes J. G. Lemmon April s.n. Contra Costa Mount Diablo and northward. Comment
  UC11038  Thysanocarpus curvipes subsp. curvipes W. H. Brewer 1862-5-12 1083 Contra Costa Mt. Diablo Comment
  RSA0039448  Thysanocarpus curvipes var. curvipes Howard de Forest 1930-4-6 s.n. Contra Costa Unspecified. 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
  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
  JEPS63121  Trichostema lanceolatum W. L. Jepson 1895-9-14 14880 Contra Costa Lafayette Comment
  UC570718  Trichostema lanceolatum Herbert L. Mason 1923-11-12 854 Contra Costa Mount Diablo, middle slopes Comment
  SEINET13948212 Image available Trichostema lanceolatum Lewis S. Rose 1953-1 53095 Contra Costa Mt. Diablo, W slope; 1600 ft alt. 488 Comment
  CDA938  Trientalis latifolia D. G. Kelch 2006-5-4 6 .126 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  JEPS112044  Trientalis latifolia A. G. Murdock 2004-4-30 264 Contra Costa Vaca Canyon 165 Comment
  UC1129956  Trifolium albopurpureum var. albopurpureum C. M. Belshaw 1936-5-8 2056 Contra Costa Mt. Diablo Mt. Diablo Quadrangle 990 Comment
  JEPS65769  Trifolium barbigerum W. L. Jepson 1917-4-14 6866 Contra Costa Oakland Hills, near Redwood Peak Comment
Read comments
Dec 17 2008
  UC2070438  Trifolium bifidum Barbara Ertter with Dan Norris 2001-4-8 17591 Contra Costa Lime Ridge Open Space east of Walnut Creek, path northwest of summit installation. Comment
  UC55887  Trifolium bifidum var. decipiens H. L. Mason 1901-4-5 1735 Contra Costa Mt. Diablo 670 Comment
  POM203635  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa Hills east of St. Marys college Comment
  RSA0068487  Trifolium bifidum var. decipiens Katie Gallagher, Nick Jensen 2014-4-26 187 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC1795879  Trifolium campestre Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14640 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; packed ground of trailside. Comment
  POM19314  Trifolium ciliolatum Katherine Brandegee s.n. Contra Costa Antioch Comment
  RSA135400  Trifolium ciliolatum Volney Rattan s.n. Contra Costa Alhambra Valley 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
  UC165576  Trifolium depauperatum var. amplectens J. Burtt Davy 1895-1 993 Contra Costa Antioch Comment
  UC55886  Trifolium depauperatum var. amplectens H. M. Hall 1901-3-23 1706 Contra Costa Martinez Comment
  UC692648  Trifolium depauperatum var. amplectens Mary L. Bowerman 1935-4-12 2815 Contra Costa 2 mi from entrance (w rd); Mount Diablo 259 Comment
  RSA349410  Trifolium depauperatum var. amplectens L. S. Rose 1941-3-27 41068 Contra Costa 2 mi. w. of Byron 61 Comment
  UC630978  Trifolium depauperatum var. amplectens P. B. Kennedy 1925-4-26 Contra Costa above old rd (Mt. Diablo Meadow) Comment
  UCSC011138  Trifolium depauperatum var. laciniatum R. Morgan 2015-4-11 6739 Contra Costa Byron Comment
  UC2028154  Trifolium depauperatum var. truncatum Barbara Ertter 1998-4-4 15957 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC1618358  Trifolium dubium Barbara Ertter, Chris Thayer 1993-5-7 11713 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District land Comment
  UC16539  Trifolium fucatum J. Burtt Davy 1900-3-24 6532 Contra Costa Stege Comment
  UC631618  Trifolium fucatum P. B. Kennedy 1928-4-19 10051 Contra Costa Byron Hot Springs Comment
  POM194649  Trifolium fucatum var. fucatum Y. Mexia 1929-4-21 2369 Contra Costa Moraga Valley. Comment
  UC16558  Trifolium gracilentum W. H. Brewer 1862-4-24 989 Contra Costa Camp 68 Martinez Comment
  UC165608  Trifolium gracilentum J. Burtt Davy 1895-1 926 Contra Costa Antioch Comment
  UC2028946  Trifolium gracilentum Barbara Ertter 2003-4-9 18142 Contra Costa Shell Ridge Open Space on west base of Mount Diablo, Upper Buck Trail on SW side of Deer Hill. Comment
  UC2070478  Trifolium gracilentum Barbara Ertter 2000-5-14 16999 Contra Costa Lower Donner Canyon on north side of Mount Diablo. Comment
  JEPS65906  Trifolium gracilentum var. gracilentum W. L. Jepson 1925-4-26 10688 Contra Costa Black Hills Mt. Diablo Comment
  UC2028170  Trifolium gracilentum var. gracilentum Barbara Ertter 1998-5-3 16073 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  CHSC116653  Trifolium hirtum Lowell Ahart; Josephine Guardino 2016-4-19 20759 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Field on the west side of the gravel road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  RSA721591  Trifolium hirtum Mary L. Bowerman 1995-5-21 s.n. Contra Costa Mount Diablo. Wall Pt. fire road perhaps 1/2 mile from South Gate Rd. Comment
  UC555606  Trifolium macraei H. L. Mason 1928-4-13 4304 Contra Costa Richmond waterfront Comment
  UC692250  Trifolium microcephalum Mary L. Bowerman 1935-4-12 2814 Contra Costa 2 mi from entrance (= Northgate) (w rd (=n rd)); Mount Diablo 259 Comment
  UCD35902  Trifolium microcephalum Beecher Crampton 1966-4-26 7666 Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  UC692639  Trifolium obtusiflorum Mary L. Bowerman 1935-5-25 3077 Contra Costa Rhine Canyon Mount Diablo (side of gully containing streamlet) 914 Comment
  JEPS100109  Trifolium oliganthum G. Smick 2003-3-25 GAS 85 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC692644  Trifolium oliganthum Mary L. Bowerman 1935-4-12 2811 Contra Costa West Rd = North Rd Mount Diablo 182 Comment
  UC692645  Trifolium oliganthum Mary L. Bowerman 1932-3-27 1136 Contra Costa below Mitchell Rock; Mount Diablo Comment
  UC2027837  Trifolium oliganthum Barbara Ertter with Dan Norris 2001-4-15 17609 Contra Costa West side Mount Diablo, head of W-facing drainage west of China Wall rock formation (off trail between Hanging Valley Trail and China Wall Road). Comment
  JEPS111086  Trifolium subterraneum Lee Echols 2003-4-15 s.n. Contra Costa S of Lark Drive and N of EPA buidling, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  UC2029138  Trifolium subterraneum Barbara Ertter with Alan Prather 2003-6-7 18203 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, creek alongside west end Stone Corral Trail, south of Highland Ridge Trail junction. Comment
  UCD109444  Trifolium variegatum var. major Collector unknown Date unknown s.n. Contra Costa 5 mi. north of Walnut Creek on road to Contra Costa Golf Club. Comment
  JEPS4404  Trifolium variegatum var. melananthum W. L. Jepson May 23 1891-May 24 1891 13711 Contra Costa Mt. Diabl Comment
  UC692680  Trifolium variegatum var. melananthum Mary L. Bowerman 1932-3-23 1126 Contra Costa betw Monument and Concord (Oak Grove School junction); Mount Diablo Comment
  JEPS4408  Trifolium variegatum var. variegatum W. L. Jepson 1891-6-9 13707 Contra Costa Fish Ranch Comment
  CDA29759  Trifolium willdenovii D. G. Kelch, Troy MacGregor 2009-5-1 9 .264 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  UC16730  Trifolium willdenovii J. Burtt Davy 1895-4-7 991 Contra Costa Antioch Comment
  UC16757  Trifolium willdenovii W. H. Brewer 1862-5-12 1076 Contra Costa Mt. Diablo Comment
  UC555578  Trifolium willdenovii H. L. Mason 1929-4-25 5206 Contra Costa Marsh Creek Rd Comment
  UC692649  Trifolium willdenovii Mary L. Bowerman 1931-5-7 813 Contra Costa near saddle (ne slope, Meridian Peak); Mount Diablo 914 Comment
  POM181463  Trifolium willdenovii I. L. Wiggins 1930-4-17 4575 Contra Costa 1/4 mi. S. of Byron. Comment
  JEPS66076  Trifolium wormskioldii W. L. Jepson May 23 1891-May 24 1891 13655 Contra Costa Mt. Diablo Comment
  CDA33819  Trifolium wormskioldii D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .107 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UCD138178  Triglochin maritima Mr. Nevin 1924-3-24 s.n. Contra Costa Antioch. Comment
  JEPS78611  Triglochin striata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3299 Contra Costa Browns Isl., Botany Cove Comment
  SEINET10534314  Trillium ovatum John G. Lemmon Lemmon s.n. Contra Costa Comment
  JEPS99597  Triodanis biflora Mary L. Bowerman 1978-5-14 Contra Costa Mount Diablo, Eagle Peak, mines trail. Comment
  UC691520  Triodanis biflora Mary L. Bowerman 1933-5-18 2130 Contra Costa Mount Diablo Comment
  UC1586061  Triphysaria eriantha subsp. eriantha Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8125 Contra Costa ca 15 air mi sw Stockton (se Contra Costa County); adjacent to Clifton Court Forebay 0 Comment
  UC27186  Triphysaria eriantha subsp. eriantha J. Burtt Davy 1897-3-29 3019 Contra Costa near Black Diamond Comment
  UC70188  Triphysaria eriantha subsp. eriantha J. Burtt Davy May 1898 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  CHSC22959  Triteleia laxa Robert A. Schlising; Et al. 1962-4-7 2144 Contra Costa Along road by Antioch Reservoir. Comment
  CAS-BOT-BC526332  Triteleia laxa A. A. Heller 1908-4-17 8902 Contra Costa Hills three miles south of Antioch 18 Comment
  UC2028145  Triteleia laxa Barbara Ertter 1998-4-4 15970 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill. Comment
  UC596401  Tropidocarpum capparideum R. F. Hoover 1936-3-19 806 Contra Costa Byron Hot Springs Comment
  UC673305  Tropidocarpum gracile H. L. Mason 1929-3-31 5152 Contra Costa sand dike along river at Antioch; San Joaquin River Comment
  CAS-BOT-BC80208  Tsuga mertensiana subsp. grandicona Phil Blumberg; M. Polland; R. Barnet; J. MacCarthy 1962-8-7 s.n. Contra Costa Bryan Meadows Comment
  SFV8563  Typha angustifolia R. C. Martin 1968-5-18 24 Contra Costa San Pablo Bay, 3 miles south of Pinole Point. In marsh. Comment
  CAS-BOT-BC91089  Umbellularia californica Mrs. H. C. Cantelow 1937-2-22 s.n. Contra Costa Mount Diablo. Comment
  JEPS112485  Umbellularia californica D. G. Kelch 2004-3-5 04 .13 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 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
  SEINET3153570  Umbellularia californica L. S. Rose 1939-1-24 39001 Contra Costa Head of Wildcat Canyon, Berkeley Hills Comment
  CDA8957  Uropappus lindleyi D. G. Kelch, A. G. Murdock 2005-5-13 5 .258 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive. Area along Vista Road ~2.5 km west of Martinez. Comment
  JEPS36207  Uropappus lindleyi W. L. Jepson 1922-5-23 9669 Contra Costa n slope Mt. Diablo; n slope Mt. Diablo Comment
  UC1818992  Uropappus lindleyi Barbara Ertter, Lisa Schultheis 1995-4-27 14010 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
  SBBG5572  Vaccinium ovatum J. M. Tucker 1946-3-14 1376 Contra Costa 150 yards S of summit of Redwood Peak Comment
  UC1050825  Verbascum N. Floy Bracelin 1943-6-20 1346 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS81010  Verbena lasiostachys var. scabrida Edward Lee 1936-12-12 2609 Contra Costa just nw Berkeley Country club Comment
  JEPS39065  Verbena lasiostachys var. scabrida Robert Brandt 1914-7-16 Contra Costa Wildcat Canon, Berkeley Hills. Comment
  UC2028357  Verbena litoralis Barbara Ertter with Tony Morosco 1998-7-11 16372 Contra Costa Antioch Marina, in riverside tidal marsh Comment
  UC407386  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron 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
  UC1789154  Viburnum ellipticum Barbara Ertter 2001-9-16 17808 Contra Costa Briones Regional Park, Toyon Canyon Trail, shaded west-facing slope with Ptelea. Comment
  CAS-BOT-BC267239  Viburnum ellipticum Mary L. Bowerman; Walter & Irja Knight 1967-11-6 2301 Contra Costa